os/windows_nt_common.c \
os/windows_common.h \
libusb-1.0.rc libusb-1.0.def
-WINDOWS_USB_SRC = os/windows_usb.h os/windows_usb.c $(COMMON_WINDOWS_SRC)
+WINDOWS_USB_SRC = os/windows_winusb.h os/windows_winusb.c $(COMMON_WINDOWS_SRC)
WINCE_USB_SRC = os/wince_usb.h os/wince_usb.c
HAIKU_USB_SRC = os/haiku_usb.h os/haiku_usb_backend.cpp \
os/haiku_usb_raw.h os/haiku_usb_raw.cpp os/haiku_pollfs.cpp
+++ /dev/null
-/*
- * windows backend for libusb 1.0
- * Copyright © 2009-2012 Pete Batard <pete@akeo.ie>
- * With contributions from Michael Plante, Orin Eman et al.
- * Parts of this code adapted from libusb-win32-v1 by Stephan Meyer
- * HID Reports IOCTLs inspired from HIDAPI by Alan Ott, Signal 11 Software
- * Hash table functions adapted from glibc, by Ulrich Drepper et al.
- * Major code testing contribution by Xiaofan Chen
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <config.h>
-
-#include <windows.h>
-#include <setupapi.h>
-#include <ctype.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <process.h>
-#include <stdio.h>
-#include <inttypes.h>
-#include <objbase.h>
-#include <winioctl.h>
-
-#include "libusbi.h"
-#include "poll_windows.h"
-#include "windows_usb.h"
-
-// The 2 macros below are used in conjunction with safe loops.
-#define LOOP_CHECK(fcall) { r=fcall; if (r != LIBUSB_SUCCESS) continue; }
-#define LOOP_BREAK(err) { r=err; continue; }
-
-// Helper prototypes
-static int windows_get_active_config_descriptor(struct libusb_device *dev, unsigned char *buffer, size_t len, int *host_endian);
-// Common calls
-static int common_configure_endpoints(int sub_api, struct libusb_device_handle *dev_handle, int iface);
-
-// WinUSB-like API prototypes
-static int winusbx_init(int sub_api, struct libusb_context *ctx);
-static int winusbx_exit(int sub_api);
-static int winusbx_open(int sub_api, struct libusb_device_handle *dev_handle);
-static void winusbx_close(int sub_api, struct libusb_device_handle *dev_handle);
-static int winusbx_configure_endpoints(int sub_api, struct libusb_device_handle *dev_handle, int iface);
-static int winusbx_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface);
-static int winusbx_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface);
-static int winusbx_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer);
-static int winusbx_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting);
-static int winusbx_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer);
-static int winusbx_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint);
-static int winusbx_abort_transfers(int sub_api, struct usbi_transfer *itransfer);
-static int winusbx_abort_control(int sub_api, struct usbi_transfer *itransfer);
-static int winusbx_reset_device(int sub_api, struct libusb_device_handle *dev_handle);
-static int winusbx_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size);
-// HID API prototypes
-static int hid_init(int sub_api, struct libusb_context *ctx);
-static int hid_exit(int sub_api);
-static int hid_open(int sub_api, struct libusb_device_handle *dev_handle);
-static void hid_close(int sub_api, struct libusb_device_handle *dev_handle);
-static int hid_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface);
-static int hid_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface);
-static int hid_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting);
-static int hid_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer);
-static int hid_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer);
-static int hid_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint);
-static int hid_abort_transfers(int sub_api, struct usbi_transfer *itransfer);
-static int hid_reset_device(int sub_api, struct libusb_device_handle *dev_handle);
-static int hid_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size);
-// Composite API prototypes
-static int composite_init(int sub_api, struct libusb_context *ctx);
-static int composite_exit(int sub_api);
-static int composite_open(int sub_api, struct libusb_device_handle *dev_handle);
-static void composite_close(int sub_api, struct libusb_device_handle *dev_handle);
-static int composite_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface);
-static int composite_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting);
-static int composite_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface);
-static int composite_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer);
-static int composite_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer);
-static int composite_submit_iso_transfer(int sub_api, struct usbi_transfer *itransfer);
-static int composite_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint);
-static int composite_abort_transfers(int sub_api, struct usbi_transfer *itransfer);
-static int composite_abort_control(int sub_api, struct usbi_transfer *itransfer);
-static int composite_reset_device(int sub_api, struct libusb_device_handle *dev_handle);
-static int composite_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size);
-
-
-// Global variables
-uint64_t hires_frequency, hires_ticks_to_ps;
-int windows_version = WINDOWS_UNDEFINED;
-static char windows_version_str[128] = "Windows Undefined";
-// Concurrency
-static int concurrent_usage = -1;
-usbi_mutex_t autoclaim_lock;
-// API globals
-#define CHECK_WINUSBX_AVAILABLE(sub_api) do { if (sub_api == SUB_API_NOTSET) sub_api = priv->sub_api; \
- if (!WinUSBX[sub_api].initialized) return LIBUSB_ERROR_ACCESS; } while(0)
-static struct winusb_interface WinUSBX[SUB_API_MAX];
-const char* sub_api_name[SUB_API_MAX] = WINUSBX_DRV_NAMES;
-bool api_hid_available = false;
-#define CHECK_HID_AVAILABLE do { if (!api_hid_available) return LIBUSB_ERROR_ACCESS; } while (0)
-
-static inline BOOLEAN guid_eq(const GUID *guid1, const GUID *guid2) {
- if ((guid1 != NULL) && (guid2 != NULL)) {
- return (memcmp(guid1, guid2, sizeof(GUID)) == 0);
- }
- return false;
-}
-
-#if defined(ENABLE_LOGGING)
-static char* guid_to_string(const GUID* guid)
-{
- static char guid_string[MAX_GUID_STRING_LENGTH];
-
- if (guid == NULL) return NULL;
- sprintf(guid_string, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
- (unsigned int)guid->Data1, guid->Data2, guid->Data3,
- guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
- guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
- return guid_string;
-}
-#endif
-
-/*
- * Sanitize Microsoft's paths: convert to uppercase, add prefix and fix backslashes.
- * Return an allocated sanitized string or NULL on error.
- */
-static char* sanitize_path(const char* path)
-{
- const char root_prefix[] = "\\\\.\\";
- size_t j, size, root_size;
- char* ret_path = NULL;
- size_t add_root = 0;
-
- if (path == NULL)
- return NULL;
-
- size = safe_strlen(path)+1;
- root_size = sizeof(root_prefix)-1;
-
- // Microsoft indiscriminately uses '\\?\', '\\.\', '##?#" or "##.#" for root prefixes.
- if (!((size > 3) && (((path[0] == '\\') && (path[1] == '\\') && (path[3] == '\\')) ||
- ((path[0] == '#') && (path[1] == '#') && (path[3] == '#'))))) {
- add_root = root_size;
- size += add_root;
- }
-
- if ((ret_path = (char*) calloc(size, 1)) == NULL)
- return NULL;
-
- safe_strcpy(&ret_path[add_root], size-add_root, path);
-
- // Ensure consistency with root prefix
- for (j=0; j<root_size; j++)
- ret_path[j] = root_prefix[j];
-
- // Same goes for '\' and '#' after the root prefix. Ensure '#' is used
- for(j=root_size; j<size; j++) {
- ret_path[j] = (char)toupper((int)ret_path[j]); // Fix case too
- if (ret_path[j] == '\\')
- ret_path[j] = '#';
- }
-
- return ret_path;
-}
-
-/*
- * Cfgmgr32, OLE32 and SetupAPI DLL functions
- */
-static int init_dlls(void)
-{
- DLL_LOAD(Cfgmgr32.dll, CM_Get_Parent, TRUE);
- DLL_LOAD(Cfgmgr32.dll, CM_Get_Child, TRUE);
- DLL_LOAD(Cfgmgr32.dll, CM_Get_Sibling, TRUE);
- DLL_LOAD(Cfgmgr32.dll, CM_Get_Device_IDA, TRUE);
- // Prefixed to avoid conflict with header files
- DLL_LOAD_PREFIXED(OLE32.dll, p, CLSIDFromString, TRUE);
- DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiGetClassDevsA, TRUE);
- DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiEnumDeviceInfo, TRUE);
- DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiEnumDeviceInterfaces, TRUE);
- DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiGetDeviceInterfaceDetailA, TRUE);
- DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiDestroyDeviceInfoList, TRUE);
- DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiOpenDevRegKey, TRUE);
- DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiGetDeviceRegistryPropertyA, TRUE);
- DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiOpenDeviceInterfaceRegKey, TRUE);
- DLL_LOAD_PREFIXED(AdvAPI32.dll, p, RegQueryValueExW, TRUE);
- DLL_LOAD_PREFIXED(AdvAPI32.dll, p, RegCloseKey, TRUE);
- return LIBUSB_SUCCESS;
-}
-
-/*
- * enumerate interfaces for the whole USB class
- *
- * Parameters:
- * dev_info: a pointer to a dev_info list
- * dev_info_data: a pointer to an SP_DEVINFO_DATA to be filled (or NULL if not needed)
- * usb_class: the generic USB class for which to retrieve interface details
- * index: zero based index of the interface in the device info list
- *
- * Note: it is the responsibility of the caller to free the DEVICE_INTERFACE_DETAIL_DATA
- * structure returned and call this function repeatedly using the same guid (with an
- * incremented index starting at zero) until all interfaces have been returned.
- */
-static bool get_devinfo_data(struct libusb_context *ctx,
- HDEVINFO *dev_info, SP_DEVINFO_DATA *dev_info_data, const char* usb_class, unsigned _index)
-{
- if (_index <= 0) {
- *dev_info = pSetupDiGetClassDevsA(NULL, usb_class, NULL, DIGCF_PRESENT|DIGCF_ALLCLASSES);
- if (*dev_info == INVALID_HANDLE_VALUE) {
- return false;
- }
- }
-
- dev_info_data->cbSize = sizeof(SP_DEVINFO_DATA);
- if (!pSetupDiEnumDeviceInfo(*dev_info, _index, dev_info_data)) {
- if (GetLastError() != ERROR_NO_MORE_ITEMS) {
- usbi_err(ctx, "Could not obtain device info data for index %u: %s",
- _index, windows_error_str(0));
- }
- pSetupDiDestroyDeviceInfoList(*dev_info);
- *dev_info = INVALID_HANDLE_VALUE;
- return false;
- }
- return true;
-}
-
-/*
- * enumerate interfaces for a specific GUID
- *
- * Parameters:
- * dev_info: a pointer to a dev_info list
- * dev_info_data: a pointer to an SP_DEVINFO_DATA to be filled (or NULL if not needed)
- * guid: the GUID for which to retrieve interface details
- * index: zero based index of the interface in the device info list
- *
- * Note: it is the responsibility of the caller to free the DEVICE_INTERFACE_DETAIL_DATA
- * structure returned and call this function repeatedly using the same guid (with an
- * incremented index starting at zero) until all interfaces have been returned.
- */
-static SP_DEVICE_INTERFACE_DETAIL_DATA_A *get_interface_details(struct libusb_context *ctx,
- HDEVINFO *dev_info, SP_DEVINFO_DATA *dev_info_data, const GUID* guid, unsigned _index)
-{
- SP_DEVICE_INTERFACE_DATA dev_interface_data;
- SP_DEVICE_INTERFACE_DETAIL_DATA_A *dev_interface_details = NULL;
- DWORD size;
-
- if (_index <= 0) {
- *dev_info = pSetupDiGetClassDevsA(guid, NULL, NULL, DIGCF_PRESENT|DIGCF_DEVICEINTERFACE);
- }
-
- if (dev_info_data != NULL) {
- dev_info_data->cbSize = sizeof(SP_DEVINFO_DATA);
- if (!pSetupDiEnumDeviceInfo(*dev_info, _index, dev_info_data)) {
- if (GetLastError() != ERROR_NO_MORE_ITEMS) {
- usbi_err(ctx, "Could not obtain device info data for index %u: %s",
- _index, windows_error_str(0));
- }
- pSetupDiDestroyDeviceInfoList(*dev_info);
- *dev_info = INVALID_HANDLE_VALUE;
- return NULL;
- }
- }
-
- dev_interface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
- if (!pSetupDiEnumDeviceInterfaces(*dev_info, NULL, guid, _index, &dev_interface_data)) {
- if (GetLastError() != ERROR_NO_MORE_ITEMS) {
- usbi_err(ctx, "Could not obtain interface data for index %u: %s",
- _index, windows_error_str(0));
- }
- pSetupDiDestroyDeviceInfoList(*dev_info);
- *dev_info = INVALID_HANDLE_VALUE;
- return NULL;
- }
-
- // Read interface data (dummy + actual) to access the device path
- if (!pSetupDiGetDeviceInterfaceDetailA(*dev_info, &dev_interface_data, NULL, 0, &size, NULL)) {
- // The dummy call should fail with ERROR_INSUFFICIENT_BUFFER
- if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) {
- usbi_err(ctx, "could not access interface data (dummy) for index %u: %s",
- _index, windows_error_str(0));
- goto err_exit;
- }
- } else {
- usbi_err(ctx, "program assertion failed - http://msdn.microsoft.com/en-us/library/ms792901.aspx is wrong.");
- goto err_exit;
- }
-
- if ((dev_interface_details = (SP_DEVICE_INTERFACE_DETAIL_DATA_A*) calloc(size, 1)) == NULL) {
- usbi_err(ctx, "could not allocate interface data for index %u.", _index);
- goto err_exit;
- }
-
- dev_interface_details->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_A);
- if (!pSetupDiGetDeviceInterfaceDetailA(*dev_info, &dev_interface_data,
- dev_interface_details, size, &size, NULL)) {
- usbi_err(ctx, "could not access interface data (actual) for index %u: %s",
- _index, windows_error_str(0));
- }
-
- return dev_interface_details;
-
-err_exit:
- pSetupDiDestroyDeviceInfoList(*dev_info);
- *dev_info = INVALID_HANDLE_VALUE;
- return NULL;
-}
-
-/* For libusb0 filter */
-static SP_DEVICE_INTERFACE_DETAIL_DATA_A *get_interface_details_filter(struct libusb_context *ctx,
- HDEVINFO *dev_info, SP_DEVINFO_DATA *dev_info_data, const GUID* guid, unsigned _index, char* filter_path){
- SP_DEVICE_INTERFACE_DATA dev_interface_data;
- SP_DEVICE_INTERFACE_DETAIL_DATA_A *dev_interface_details = NULL;
- DWORD size;
- if (_index <= 0) {
- *dev_info = pSetupDiGetClassDevsA(guid, NULL, NULL, DIGCF_PRESENT|DIGCF_DEVICEINTERFACE);
- }
- if (dev_info_data != NULL) {
- dev_info_data->cbSize = sizeof(SP_DEVINFO_DATA);
- if (!pSetupDiEnumDeviceInfo(*dev_info, _index, dev_info_data)) {
- if (GetLastError() != ERROR_NO_MORE_ITEMS) {
- usbi_err(ctx, "Could not obtain device info data for index %u: %s",
- _index, windows_error_str(0));
- }
- pSetupDiDestroyDeviceInfoList(*dev_info);
- *dev_info = INVALID_HANDLE_VALUE;
- return NULL;
- }
- }
- dev_interface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
- if (!pSetupDiEnumDeviceInterfaces(*dev_info, NULL, guid, _index, &dev_interface_data)) {
- if (GetLastError() != ERROR_NO_MORE_ITEMS) {
- usbi_err(ctx, "Could not obtain interface data for index %u: %s",
- _index, windows_error_str(0));
- }
- pSetupDiDestroyDeviceInfoList(*dev_info);
- *dev_info = INVALID_HANDLE_VALUE;
- return NULL;
- }
- // Read interface data (dummy + actual) to access the device path
- if (!pSetupDiGetDeviceInterfaceDetailA(*dev_info, &dev_interface_data, NULL, 0, &size, NULL)) {
- // The dummy call should fail with ERROR_INSUFFICIENT_BUFFER
- if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) {
- usbi_err(ctx, "could not access interface data (dummy) for index %u: %s",
- _index, windows_error_str(0));
- goto err_exit;
- }
- } else {
- usbi_err(ctx, "program assertion failed - http://msdn.microsoft.com/en-us/library/ms792901.aspx is wrong.");
- goto err_exit;
- }
- if ((dev_interface_details = malloc(size)) == NULL) {
- usbi_err(ctx, "could not allocate interface data for index %u.", _index);
- goto err_exit;
- }
- dev_interface_details->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_A);
- if (!pSetupDiGetDeviceInterfaceDetailA(*dev_info, &dev_interface_data,
- dev_interface_details, size, &size, NULL)) {
- usbi_err(ctx, "could not access interface data (actual) for index %u: %s",
- _index, windows_error_str(0));
- }
- // [trobinso] lookup the libusb0 symbolic index.
- if (dev_interface_details) {
- HKEY hkey_device_interface=pSetupDiOpenDeviceInterfaceRegKey(*dev_info,&dev_interface_data,0,KEY_READ);
- if (hkey_device_interface != INVALID_HANDLE_VALUE) {
- DWORD libusb0_symboliclink_index=0;
- DWORD value_length=sizeof(DWORD);
- DWORD value_type=0;
- LONG status;
- status = pRegQueryValueExW(hkey_device_interface, L"LUsb0", NULL, &value_type,
- (LPBYTE) &libusb0_symboliclink_index, &value_length);
- if (status == ERROR_SUCCESS) {
- if (libusb0_symboliclink_index < 256) {
- // libusb0.sys is connected to this device instance.
- // If the the device interface guid is {F9F3FF14-AE21-48A0-8A25-8011A7A931D9} then it's a filter.
- safe_sprintf(filter_path, sizeof("\\\\.\\libusb0-0000"), "\\\\.\\libusb0-%04u", (unsigned int)libusb0_symboliclink_index);
- usbi_dbg("assigned libusb0 symbolic link %s", filter_path);
- } else {
- // libusb0.sys was connected to this device instance at one time; but not anymore.
- }
- }
- pRegCloseKey(hkey_device_interface);
- }
- }
- return dev_interface_details;
-err_exit:
- pSetupDiDestroyDeviceInfoList(*dev_info);
- *dev_info = INVALID_HANDLE_VALUE;
- return NULL;}
-
-/*
- * Returns the session ID of a device's nth level ancestor
- * If there's no device at the nth level, return 0
- */
-static unsigned long get_ancestor_session_id(DWORD devinst, unsigned level)
-{
- DWORD parent_devinst;
- unsigned long session_id = 0;
- char* sanitized_path = NULL;
- char path[MAX_PATH_LENGTH];
- unsigned i;
-
- if (level < 1) return 0;
- for (i = 0; i<level; i++) {
- if (CM_Get_Parent(&parent_devinst, devinst, 0) != CR_SUCCESS) {
- return 0;
- }
- devinst = parent_devinst;
- }
- if (CM_Get_Device_IDA(devinst, path, MAX_PATH_LENGTH, 0) != CR_SUCCESS) {
- return 0;
- }
- // TODO: (post hotplug): try without sanitizing
- sanitized_path = sanitize_path(path);
- if (sanitized_path == NULL) {
- return 0;
- }
- session_id = htab_hash(sanitized_path);
- safe_free(sanitized_path);
- return session_id;
-}
-
-/*
- * Determine which interface the given endpoint address belongs to
- */
-static int get_interface_by_endpoint(struct libusb_config_descriptor *conf_desc, uint8_t ep)
-{
- const struct libusb_interface *intf;
- const struct libusb_interface_descriptor *intf_desc;
- int i, j, k;
-
- for (i = 0; i < conf_desc->bNumInterfaces; i++) {
- intf = &conf_desc->interface[i];
- for (j = 0; j < intf->num_altsetting; j++) {
- intf_desc = &intf->altsetting[j];
- for (k = 0; k < intf_desc->bNumEndpoints; k++) {
- if (intf_desc->endpoint[k].bEndpointAddress == ep) {
- usbi_dbg("found endpoint %02X on interface %d", intf_desc->bInterfaceNumber, i);
- return intf_desc->bInterfaceNumber;
- }
- }
- }
- }
-
- usbi_dbg("endpoint %02X not found on any interface", ep);
- return LIBUSB_ERROR_NOT_FOUND;
-}
-
-/*
- * Populate the endpoints addresses of the device_priv interface helper structs
- */
-static int windows_assign_endpoints(struct libusb_device_handle *dev_handle, int iface, int altsetting)
-{
- int i, r;
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- struct libusb_config_descriptor *conf_desc;
- const struct libusb_interface_descriptor *if_desc;
- struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
-
- r = libusb_get_config_descriptor(dev_handle->dev, (uint8_t)(priv->active_config-1), &conf_desc);
- if (r != LIBUSB_SUCCESS) {
- usbi_warn(ctx, "could not read config descriptor: error %d", r);
- return r;
- }
-
- if_desc = &conf_desc->interface[iface].altsetting[altsetting];
- safe_free(priv->usb_interface[iface].endpoint);
-
- if (if_desc->bNumEndpoints == 0) {
- usbi_dbg("no endpoints found for interface %d", iface);
- libusb_free_config_descriptor(conf_desc);
- return LIBUSB_SUCCESS;
- }
-
- priv->usb_interface[iface].endpoint = (uint8_t*) malloc(if_desc->bNumEndpoints);
- if (priv->usb_interface[iface].endpoint == NULL) {
- libusb_free_config_descriptor(conf_desc);
- return LIBUSB_ERROR_NO_MEM;
- }
-
- priv->usb_interface[iface].nb_endpoints = if_desc->bNumEndpoints;
- for (i=0; i<if_desc->bNumEndpoints; i++) {
- priv->usb_interface[iface].endpoint[i] = if_desc->endpoint[i].bEndpointAddress;
- usbi_dbg("(re)assigned endpoint %02X to interface %d", priv->usb_interface[iface].endpoint[i], iface);
- }
- libusb_free_config_descriptor(conf_desc);
-
- // Extra init may be required to configure endpoints
- return priv->apib->configure_endpoints(SUB_API_NOTSET, dev_handle, iface);
-}
-
-// Lookup for a match in the list of API driver names
-// return -1 if not found, driver match number otherwise
-static int get_sub_api(char* driver, int api){
- int i;
- const char sep_str[2] = {LIST_SEPARATOR, 0};
- char *tok, *tmp_str;
- size_t len = safe_strlen(driver);
-
- if (len == 0) return SUB_API_NOTSET;
- tmp_str = (char*) calloc(len+1, 1);
- if (tmp_str == NULL) return SUB_API_NOTSET;
- memcpy(tmp_str, driver, len+1);
- tok = strtok(tmp_str, sep_str);
- while (tok != NULL) {
- for (i=0; i<usb_api_backend[api].nb_driver_names; i++) {
- if (safe_stricmp(tok, usb_api_backend[api].driver_name_list[i]) == 0) {
- free(tmp_str);
- return i;
- }
- }
- tok = strtok(NULL, sep_str);
- }
- free (tmp_str);
- return SUB_API_NOTSET;
-}
-
-/*
- * auto-claiming and auto-release helper functions
- */
-static int auto_claim(struct libusb_transfer *transfer, int *interface_number, int api_type)
-{
- struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(
- transfer->dev_handle);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
- int current_interface = *interface_number;
- int r = LIBUSB_SUCCESS;
-
- switch(api_type) {
- case USB_API_WINUSBX:
- case USB_API_HID:
- break;
- default:
- return LIBUSB_ERROR_INVALID_PARAM;
- }
-
- usbi_mutex_lock(&autoclaim_lock);
- if (current_interface < 0) // No serviceable interface was found
- {
- for (current_interface=0; current_interface<USB_MAXINTERFACES; current_interface++) {
- // Must claim an interface of the same API type
- if ( (priv->usb_interface[current_interface].apib->id == api_type)
- && (libusb_claim_interface(transfer->dev_handle, current_interface) == LIBUSB_SUCCESS) ) {
- usbi_dbg("auto-claimed interface %d for control request", current_interface);
- if (handle_priv->autoclaim_count[current_interface] != 0) {
- usbi_warn(ctx, "program assertion failed - autoclaim_count was nonzero");
- }
- handle_priv->autoclaim_count[current_interface]++;
- break;
- }
- }
- if (current_interface == USB_MAXINTERFACES) {
- usbi_err(ctx, "could not auto-claim any interface");
- r = LIBUSB_ERROR_NOT_FOUND;
- }
- } else {
- // If we have a valid interface that was autoclaimed, we must increment
- // its autoclaim count so that we can prevent an early release.
- if (handle_priv->autoclaim_count[current_interface] != 0) {
- handle_priv->autoclaim_count[current_interface]++;
- }
- }
- usbi_mutex_unlock(&autoclaim_lock);
-
- *interface_number = current_interface;
- return r;
-
-}
-
-static void auto_release(struct usbi_transfer *itransfer)
-{
- struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- libusb_device_handle *dev_handle = transfer->dev_handle;
- struct windows_device_handle_priv* handle_priv = _device_handle_priv(dev_handle);
- int r;
-
- usbi_mutex_lock(&autoclaim_lock);
- if (handle_priv->autoclaim_count[transfer_priv->interface_number] > 0) {
- handle_priv->autoclaim_count[transfer_priv->interface_number]--;
- if (handle_priv->autoclaim_count[transfer_priv->interface_number] == 0) {
- r = libusb_release_interface(dev_handle, transfer_priv->interface_number);
- if (r == LIBUSB_SUCCESS) {
- usbi_dbg("auto-released interface %d", transfer_priv->interface_number);
- } else {
- usbi_dbg("failed to auto-release interface %d (%s)",
- transfer_priv->interface_number, libusb_error_name((enum libusb_error)r));
- }
- }
- }
- usbi_mutex_unlock(&autoclaim_lock);
-}
-
-/* Windows version dtection */
-static BOOL is_x64(void)
-{
- BOOL ret = FALSE;
- // Detect if we're running a 32 or 64 bit system
- if (sizeof(uintptr_t) < 8) {
- DLL_LOAD_PREFIXED(Kernel32.dll, p, IsWow64Process, FALSE);
- if (pIsWow64Process != NULL) {
- (*pIsWow64Process)(GetCurrentProcess(), &ret);
- }
- } else {
- ret = TRUE;
- }
- return ret;
-}
-
-static void get_windows_version(void)
-{
- OSVERSIONINFOEXA vi, vi2;
- const char* w = 0;
- const char* w64 = "32 bit";
- char* vptr;
- size_t vlen;
- unsigned major, minor;
- ULONGLONG major_equal, minor_equal;
- BOOL ws;
-
- memset(&vi, 0, sizeof(vi));
- vi.dwOSVersionInfoSize = sizeof(vi);
- if (!GetVersionExA((OSVERSIONINFOA *)&vi)) {
- memset(&vi, 0, sizeof(vi));
- vi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
- if (!GetVersionExA((OSVERSIONINFOA *)&vi))
- return;
- }
-
- if (vi.dwPlatformId == VER_PLATFORM_WIN32_NT) {
-
- if (vi.dwMajorVersion > 6 || (vi.dwMajorVersion == 6 && vi.dwMinorVersion >= 2)) {
- // Starting with Windows 8.1 Preview, GetVersionEx() does no longer report the actual OS version
- // See: http://msdn.microsoft.com/en-us/library/windows/desktop/dn302074.aspx
-
- major_equal = VerSetConditionMask(0, VER_MAJORVERSION, VER_EQUAL);
- for (major = vi.dwMajorVersion; major <= 9; major++) {
- memset(&vi2, 0, sizeof(vi2));
- vi2.dwOSVersionInfoSize = sizeof(vi2); vi2.dwMajorVersion = major;
- if (!VerifyVersionInfoA(&vi2, VER_MAJORVERSION, major_equal))
- continue;
- if (vi.dwMajorVersion < major) {
- vi.dwMajorVersion = major; vi.dwMinorVersion = 0;
- }
-
- minor_equal = VerSetConditionMask(0, VER_MINORVERSION, VER_EQUAL);
- for (minor = vi.dwMinorVersion; minor <= 9; minor++) {
- memset(&vi2, 0, sizeof(vi2)); vi2.dwOSVersionInfoSize = sizeof(vi2);
- vi2.dwMinorVersion = minor;
- if (!VerifyVersionInfoA(&vi2, VER_MINORVERSION, minor_equal))
- continue;
- vi.dwMinorVersion = minor;
- break;
- }
-
- break;
- }
- }
-
- if (vi.dwMajorVersion <= 0xf && vi.dwMinorVersion <= 0xf) {
- ws = (vi.wProductType <= VER_NT_WORKSTATION);
- windows_version = vi.dwMajorVersion << 4 | vi.dwMinorVersion;
- switch (windows_version) {
- case 0x50: w = "2000";
- break;
- case 0x51: w = "XP";
- break;
- case 0x52: w = ("2003");
- break;
- case 0x60: w = (ws?"Vista":"2008");
- break;
- case 0x61: w = (ws?"7":"2008_R2");
- break;
- case 0x62: w = (ws?"8":"2012");
- break;
- case 0x63: w = (ws?"8.1":"2012_R2");
- break;
- case 0x64: w = (ws?"10":"2015");
- break;
- default:
- if (windows_version < 0x50)
- windows_version = WINDOWS_UNSUPPORTED;
- else
- w = "11 or later";
- break;
- }
- }
- }
-
- if (is_x64())
- w64 = "64-bit";
-
- vptr = &windows_version_str[sizeof("Windows ") - 1];
- vlen = sizeof(windows_version_str) - sizeof("Windows ") - 1;
- if (!w)
- safe_sprintf(vptr, vlen, "%s %u.%u %s", (vi.dwPlatformId==VER_PLATFORM_WIN32_NT?"NT":"??"),
- (unsigned int)vi.dwMajorVersion, (unsigned int)vi.dwMinorVersion, w64);
- else if (vi.wServicePackMinor)
- safe_sprintf(vptr, vlen, "%s SP%u.%u %s", w, vi.wServicePackMajor, vi.wServicePackMinor, w64);
- else if (vi.wServicePackMajor)
- safe_sprintf(vptr, vlen, "%s SP%u %s", w, vi.wServicePackMajor, w64);
- else
- safe_sprintf(vptr, vlen, "%s %s", w, w64);
-}
-
-/*
- * init: libusb backend init function
- *
- * This function enumerates the HCDs (Host Controller Drivers) and populates our private HCD list
- * In our implementation, we equate Windows' "HCD" to libusb's "bus". Note that bus is zero indexed.
- * HCDs are not expected to change after init (might not hold true for hot pluggable USB PCI card?)
- */
-static int windows_init(struct libusb_context *ctx)
-{
- int i, r = LIBUSB_ERROR_OTHER;
- HANDLE semaphore;
- char sem_name[11+1+8]; // strlen(libusb_init)+'\0'+(32-bit hex PID)
-
- sprintf(sem_name, "libusb_init%08X", (unsigned int)GetCurrentProcessId());
- semaphore = CreateSemaphoreA(NULL, 1, 1, sem_name);
- if (semaphore == NULL) {
- usbi_err(ctx, "could not create semaphore: %s", windows_error_str(0));
- return LIBUSB_ERROR_NO_MEM;
- }
-
- // A successful wait brings our semaphore count to 0 (unsignaled)
- // => any concurent wait stalls until the semaphore's release
- if (WaitForSingleObject(semaphore, INFINITE) != WAIT_OBJECT_0) {
- usbi_err(ctx, "failure to access semaphore: %s", windows_error_str(0));
- CloseHandle(semaphore);
- return LIBUSB_ERROR_NO_MEM;
- }
-
- // NB: concurrent usage supposes that init calls are equally balanced with
- // exit calls. If init is called more than exit, we will not exit properly
- if ( ++concurrent_usage == 0 ) { // First init?
- get_windows_version();
- usbi_dbg(windows_version_str);
- if (windows_version == WINDOWS_UNSUPPORTED) {
- usbi_err(ctx, "This version of Windows is NOT supported");
- r = LIBUSB_ERROR_NOT_SUPPORTED;
- goto init_exit;
- }
-
- // We need a lock for proper auto-release
- usbi_mutex_init(&autoclaim_lock, NULL);
-
- // Initialize pollable file descriptors
- init_polling();
-
- // Load DLL imports
- if (init_dlls() != LIBUSB_SUCCESS) {
- usbi_err(ctx, "could not resolve DLL functions");
- goto init_exit;
- }
-
- // Initialize the low level APIs (we don't care about errors at this stage)
- for (i=0; i<USB_API_MAX; i++) {
- usb_api_backend[i].init(SUB_API_NOTSET, ctx);
- }
-
- r = windows_common_init(ctx);
- if (r) {
- goto init_exit;
- }
- }
- // At this stage, either we went through full init successfully, or didn't need to
- r = LIBUSB_SUCCESS;
-
-init_exit: // Holds semaphore here.
- if (!concurrent_usage && r != LIBUSB_SUCCESS) { // First init failed?
- windows_common_exit();
- usbi_mutex_destroy(&autoclaim_lock);
- }
-
- if (r != LIBUSB_SUCCESS)
- --concurrent_usage; // Not expected to call libusb_exit if we failed.
-
- ReleaseSemaphore(semaphore, 1, NULL); // increase count back to 1
- CloseHandle(semaphore);
- return r;
-}
-
-/*
- * HCD (root) hubs need to have their device descriptor manually populated
- *
- * Note that, like Microsoft does in the device manager, we populate the
- * Vendor and Device ID for HCD hubs with the ones from the PCI HCD device.
- */
-static int force_hcd_device_descriptor(struct libusb_device *dev)
-{
- struct windows_device_priv *parent_priv, *priv = _device_priv(dev);
- struct libusb_context *ctx = DEVICE_CTX(dev);
- int vid, pid;
-
- dev->num_configurations = 1;
- priv->dev_descriptor.bLength = sizeof(USB_DEVICE_DESCRIPTOR);
- priv->dev_descriptor.bDescriptorType = USB_DEVICE_DESCRIPTOR_TYPE;
- priv->dev_descriptor.bNumConfigurations = 1;
- priv->active_config = 1;
-
- if (priv->parent_dev == NULL) {
- usbi_err(ctx, "program assertion failed - HCD hub has no parent");
- return LIBUSB_ERROR_NO_DEVICE;
- }
- parent_priv = _device_priv(priv->parent_dev);
- if (sscanf(parent_priv->path, "\\\\.\\PCI#VEN_%04x&DEV_%04x%*s", &vid, &pid) == 2) {
- priv->dev_descriptor.idVendor = (uint16_t)vid;
- priv->dev_descriptor.idProduct = (uint16_t)pid;
- } else {
- usbi_warn(ctx, "could not infer VID/PID of HCD hub from '%s'", parent_priv->path);
- priv->dev_descriptor.idVendor = 0x1d6b; // Linux Foundation root hub
- priv->dev_descriptor.idProduct = 1;
- }
- return LIBUSB_SUCCESS;
-}
-
-/*
- * fetch and cache all the config descriptors through I/O
- */
-static int cache_config_descriptors(struct libusb_device *dev, HANDLE hub_handle, char* device_id)
-{
- DWORD size, ret_size;
- struct libusb_context *ctx = DEVICE_CTX(dev);
- struct windows_device_priv *priv = _device_priv(dev);
- int r;
- uint8_t i;
-
- USB_CONFIGURATION_DESCRIPTOR_SHORT cd_buf_short; // dummy request
- PUSB_DESCRIPTOR_REQUEST cd_buf_actual = NULL; // actual request
- PUSB_CONFIGURATION_DESCRIPTOR cd_data = NULL;
-
- if (dev->num_configurations == 0)
- return LIBUSB_ERROR_INVALID_PARAM;
-
- priv->config_descriptor = (unsigned char**) calloc(dev->num_configurations, sizeof(unsigned char*));
- if (priv->config_descriptor == NULL)
- return LIBUSB_ERROR_NO_MEM;
- for (i=0; i<dev->num_configurations; i++)
- priv->config_descriptor[i] = NULL;
-
- for (i=0, r=LIBUSB_SUCCESS; ; i++)
- {
- // safe loop: release all dynamic resources
- safe_free(cd_buf_actual);
-
- // safe loop: end of loop condition
- if ((i >= dev->num_configurations) || (r != LIBUSB_SUCCESS))
- break;
-
- size = sizeof(USB_CONFIGURATION_DESCRIPTOR_SHORT);
- memset(&cd_buf_short, 0, size);
-
- cd_buf_short.req.ConnectionIndex = (ULONG)priv->port;
- cd_buf_short.req.SetupPacket.bmRequest = LIBUSB_ENDPOINT_IN;
- cd_buf_short.req.SetupPacket.bRequest = USB_REQUEST_GET_DESCRIPTOR;
- cd_buf_short.req.SetupPacket.wValue = (USB_CONFIGURATION_DESCRIPTOR_TYPE << 8) | i;
- cd_buf_short.req.SetupPacket.wIndex = 0;
- cd_buf_short.req.SetupPacket.wLength = (USHORT)(size - sizeof(USB_DESCRIPTOR_REQUEST));
-
- // Dummy call to get the required data size. Initial failures are reported as info rather
- // than error as they can occur for non-penalizing situations, such as with some hubs.
- // coverity[tainted_data_argument]
- if (!DeviceIoControl(hub_handle, IOCTL_USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION, &cd_buf_short, size,
- &cd_buf_short, size, &ret_size, NULL)) {
- usbi_info(ctx, "could not access configuration descriptor (dummy) for '%s': %s", device_id, windows_error_str(0));
- LOOP_BREAK(LIBUSB_ERROR_IO);
- }
-
- if ((ret_size != size) || (cd_buf_short.data.wTotalLength < sizeof(USB_CONFIGURATION_DESCRIPTOR))) {
- usbi_info(ctx, "unexpected configuration descriptor size (dummy) for '%s'.", device_id);
- LOOP_BREAK(LIBUSB_ERROR_IO);
- }
-
- size = sizeof(USB_DESCRIPTOR_REQUEST) + cd_buf_short.data.wTotalLength;
- if ((cd_buf_actual = (PUSB_DESCRIPTOR_REQUEST) calloc(1, size)) == NULL) {
- usbi_err(ctx, "could not allocate configuration descriptor buffer for '%s'.", device_id);
- LOOP_BREAK(LIBUSB_ERROR_NO_MEM);
- }
- memset(cd_buf_actual, 0, size);
-
- // Actual call
- cd_buf_actual->ConnectionIndex = (ULONG)priv->port;
- cd_buf_actual->SetupPacket.bmRequest = LIBUSB_ENDPOINT_IN;
- cd_buf_actual->SetupPacket.bRequest = USB_REQUEST_GET_DESCRIPTOR;
- cd_buf_actual->SetupPacket.wValue = (USB_CONFIGURATION_DESCRIPTOR_TYPE << 8) | i;
- cd_buf_actual->SetupPacket.wIndex = 0;
- cd_buf_actual->SetupPacket.wLength = (USHORT)(size - sizeof(USB_DESCRIPTOR_REQUEST));
-
- if (!DeviceIoControl(hub_handle, IOCTL_USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION, cd_buf_actual, size,
- cd_buf_actual, size, &ret_size, NULL)) {
- usbi_err(ctx, "could not access configuration descriptor (actual) for '%s': %s", device_id, windows_error_str(0));
- LOOP_BREAK(LIBUSB_ERROR_IO);
- }
-
- cd_data = (PUSB_CONFIGURATION_DESCRIPTOR)((UCHAR*)cd_buf_actual+sizeof(USB_DESCRIPTOR_REQUEST));
-
- if ((size != ret_size) || (cd_data->wTotalLength != cd_buf_short.data.wTotalLength)) {
- usbi_err(ctx, "unexpected configuration descriptor size (actual) for '%s'.", device_id);
- LOOP_BREAK(LIBUSB_ERROR_IO);
- }
-
- if (cd_data->bDescriptorType != USB_CONFIGURATION_DESCRIPTOR_TYPE) {
- usbi_err(ctx, "not a configuration descriptor for '%s'", device_id);
- LOOP_BREAK(LIBUSB_ERROR_IO);
- }
-
- usbi_dbg("cached config descriptor %d (bConfigurationValue=%u, %u bytes)",
- i, cd_data->bConfigurationValue, cd_data->wTotalLength);
-
- // Cache the descriptor
- priv->config_descriptor[i] = (unsigned char*) malloc(cd_data->wTotalLength);
- if (priv->config_descriptor[i] == NULL)
- LOOP_BREAK(LIBUSB_ERROR_NO_MEM);
- memcpy(priv->config_descriptor[i], cd_data, cd_data->wTotalLength);
- }
- return LIBUSB_SUCCESS;
-}
-
-/*
- * Populate a libusb device structure
- */
-static int init_device(struct libusb_device* dev, struct libusb_device* parent_dev,
- uint8_t port_number, char* device_id, DWORD devinst)
-{
- HANDLE handle;
- DWORD size;
- USB_NODE_CONNECTION_INFORMATION_EX conn_info;
- USB_NODE_CONNECTION_INFORMATION_EX_V2 conn_info_v2;
- struct windows_device_priv *priv, *parent_priv;
- struct libusb_context *ctx;
- struct libusb_device* tmp_dev;
- unsigned long tmp_id;
- unsigned i;
-
- if ((dev == NULL) || (parent_dev == NULL)) {
- return LIBUSB_ERROR_NOT_FOUND;
- }
- ctx = DEVICE_CTX(dev);
- priv = _device_priv(dev);
- parent_priv = _device_priv(parent_dev);
- if (parent_priv->apib->id != USB_API_HUB) {
- usbi_warn(ctx, "parent for device '%s' is not a hub", device_id);
- return LIBUSB_ERROR_NOT_FOUND;
- }
-
- // It is possible for the parent hub not to have been initialized yet
- // If that's the case, lookup the ancestors to set the bus number
- if (parent_dev->bus_number == 0) {
- for (i=2; ; i++) {
- tmp_id = get_ancestor_session_id(devinst, i);
- if (tmp_id == 0) break;
- tmp_dev = usbi_get_device_by_session_id(ctx, tmp_id);
- if (tmp_dev == NULL) continue;
- if (tmp_dev->bus_number != 0) {
- usbi_dbg("got bus number from ancestor #%u", i);
- parent_dev->bus_number = tmp_dev->bus_number;
- libusb_unref_device(tmp_dev);
- break;
- }
- libusb_unref_device(tmp_dev);
- }
- }
- if (parent_dev->bus_number == 0) {
- usbi_err(ctx, "program assertion failed: unable to find ancestor bus number for '%s'", device_id);
- return LIBUSB_ERROR_NOT_FOUND;
- }
- dev->bus_number = parent_dev->bus_number;
- priv->port = port_number;
- dev->port_number = port_number;
- priv->depth = parent_priv->depth + 1;
- priv->parent_dev = parent_dev;
- dev->parent_dev = parent_dev;
-
- // If the device address is already set, we can stop here
- if (dev->device_address != 0) {
- return LIBUSB_SUCCESS;
- }
- memset(&conn_info, 0, sizeof(conn_info));
- if (priv->depth != 0) { // Not a HCD hub
- handle = CreateFileA(parent_priv->path, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
- FILE_FLAG_OVERLAPPED, NULL);
- if (handle == INVALID_HANDLE_VALUE) {
- usbi_warn(ctx, "could not open hub %s: %s", parent_priv->path, windows_error_str(0));
- return LIBUSB_ERROR_ACCESS;
- }
- size = sizeof(conn_info);
- conn_info.ConnectionIndex = (ULONG)port_number;
- // coverity[tainted_data_argument]
- if (!DeviceIoControl(handle, IOCTL_USB_GET_NODE_CONNECTION_INFORMATION_EX, &conn_info, size,
- &conn_info, size, &size, NULL)) {
- usbi_warn(ctx, "could not get node connection information for device '%s': %s",
- device_id, windows_error_str(0));
- safe_closehandle(handle);
- return LIBUSB_ERROR_NO_DEVICE;
- }
- if (conn_info.ConnectionStatus == NoDeviceConnected) {
- usbi_err(ctx, "device '%s' is no longer connected!", device_id);
- safe_closehandle(handle);
- return LIBUSB_ERROR_NO_DEVICE;
- }
- memcpy(&priv->dev_descriptor, &(conn_info.DeviceDescriptor), sizeof(USB_DEVICE_DESCRIPTOR));
- dev->num_configurations = priv->dev_descriptor.bNumConfigurations;
- priv->active_config = conn_info.CurrentConfigurationValue;
- usbi_dbg("found %u configurations (active conf: %u)", dev->num_configurations, priv->active_config);
- // If we can't read the config descriptors, just set the number of confs to zero
- if (cache_config_descriptors(dev, handle, device_id) != LIBUSB_SUCCESS) {
- dev->num_configurations = 0;
- priv->dev_descriptor.bNumConfigurations = 0;
- }
-
- // In their great wisdom, Microsoft decided to BREAK the USB speed report between Windows 7 and Windows 8
- if (windows_version >= WINDOWS_8) {
- memset(&conn_info_v2, 0, sizeof(conn_info_v2));
- size = sizeof(conn_info_v2);
- conn_info_v2.ConnectionIndex = (ULONG)port_number;
- conn_info_v2.Length = size;
- conn_info_v2.SupportedUsbProtocols.Usb300 = 1;
- if (!DeviceIoControl(handle, IOCTL_USB_GET_NODE_CONNECTION_INFORMATION_EX_V2,
- &conn_info_v2, size, &conn_info_v2, size, &size, NULL)) {
- usbi_warn(ctx, "could not get node connection information (V2) for device '%s': %s",
- device_id, windows_error_str(0));
- } else if (conn_info_v2.Flags.DeviceIsOperatingAtSuperSpeedOrHigher) {
- conn_info.Speed = 3;
- }
- }
-
- safe_closehandle(handle);
-
- if (conn_info.DeviceAddress > UINT8_MAX) {
- usbi_err(ctx, "program assertion failed: device address overflow");
- }
- dev->device_address = (uint8_t)conn_info.DeviceAddress + 1;
- if (dev->device_address == 1) {
- usbi_err(ctx, "program assertion failed: device address collision with root hub");
- }
- switch (conn_info.Speed) {
- case 0: dev->speed = LIBUSB_SPEED_LOW; break;
- case 1: dev->speed = LIBUSB_SPEED_FULL; break;
- case 2: dev->speed = LIBUSB_SPEED_HIGH; break;
- case 3: dev->speed = LIBUSB_SPEED_SUPER; break;
- default:
- usbi_warn(ctx, "Got unknown device speed %u", conn_info.Speed);
- break;
- }
- } else {
- dev->device_address = 1; // root hubs are set to use device number 1
- force_hcd_device_descriptor(dev);
- }
-
- usbi_sanitize_device(dev);
-
- usbi_dbg("(bus: %u, addr: %u, depth: %u, port: %u): '%s'",
- dev->bus_number, dev->device_address, priv->depth, priv->port, device_id);
-
- return LIBUSB_SUCCESS;
-}
-
-// Returns the api type, or 0 if not found/unsupported
-static void get_api_type(struct libusb_context *ctx, HDEVINFO *dev_info,
- SP_DEVINFO_DATA *dev_info_data, int *api, int *sub_api)
-{
- // Precedence for filter drivers vs driver is in the order of this array
- struct driver_lookup lookup[3] = {
- {"\0\0", SPDRP_SERVICE, "driver"},
- {"\0\0", SPDRP_UPPERFILTERS, "upper filter driver"},
- {"\0\0", SPDRP_LOWERFILTERS, "lower filter driver"}
- };
- DWORD size, reg_type;
- unsigned k, l;
- int i, j;
-
- *api = USB_API_UNSUPPORTED;
- *sub_api = SUB_API_NOTSET;
- // Check the service & filter names to know the API we should use
- for (k=0; k<3; k++) {
- if (pSetupDiGetDeviceRegistryPropertyA(*dev_info, dev_info_data, lookup[k].reg_prop,
- ®_type, (BYTE*)lookup[k].list, MAX_KEY_LENGTH, &size)) {
- // Turn the REG_SZ SPDRP_SERVICE into REG_MULTI_SZ
- if (lookup[k].reg_prop == SPDRP_SERVICE) {
- // our buffers are MAX_KEY_LENGTH+1 so we can overflow if needed
- lookup[k].list[safe_strlen(lookup[k].list)+1] = 0;
- }
- // MULTI_SZ is a pain to work with. Turn it into something much more manageable
- // NB: none of the driver names we check against contain LIST_SEPARATOR,
- // (currently ';'), so even if an unsuported one does, it's not an issue
- for (l=0; (lookup[k].list[l] != 0) || (lookup[k].list[l+1] != 0); l++) {
- if (lookup[k].list[l] == 0) {
- lookup[k].list[l] = LIST_SEPARATOR;
- }
- }
- usbi_dbg("%s(s): %s", lookup[k].designation, lookup[k].list);
- } else {
- if (GetLastError() != ERROR_INVALID_DATA) {
- usbi_dbg("could not access %s: %s", lookup[k].designation, windows_error_str(0));
- }
- lookup[k].list[0] = 0;
- }
- }
-
- for (i=1; i<USB_API_MAX; i++) {
- for (k=0; k<3; k++) {
- j = get_sub_api(lookup[k].list, i);
- if (j >= 0) {
- usbi_dbg("matched %s name against %s",
- lookup[k].designation, (i!=USB_API_WINUSBX)?usb_api_backend[i].designation:sub_api_name[j]);
- *api = i;
- *sub_api = j;
- return;
- }
- }
- }
-}
-
-static int set_composite_interface(struct libusb_context* ctx, struct libusb_device* dev,
- char* dev_interface_path, char* device_id, int api, int sub_api)
-{
- unsigned i;
- struct windows_device_priv *priv = _device_priv(dev);
- int interface_number;
-
- if (priv->apib->id != USB_API_COMPOSITE) {
- usbi_err(ctx, "program assertion failed: '%s' is not composite", device_id);
- return LIBUSB_ERROR_NO_DEVICE;
- }
-
- // Because MI_## are not necessarily in sequential order (some composite
- // devices will have only MI_00 & MI_03 for instance), we retrieve the actual
- // interface number from the path's MI value
- interface_number = 0;
- for (i=0; device_id[i] != 0; ) {
- if ( (device_id[i++] == 'M') && (device_id[i++] == 'I')
- && (device_id[i++] == '_') ) {
- interface_number = (device_id[i++] - '0')*10;
- interface_number += device_id[i] - '0';
- break;
- }
- }
-
- if (device_id[i] == 0) {
- usbi_warn(ctx, "failure to read interface number for %s. Using default value %d",
- device_id, interface_number);
- }
-
- if (priv->usb_interface[interface_number].path != NULL) {
- if (api == USB_API_HID) {
- // HID devices can have multiple collections (COL##) for each MI_## interface
- usbi_dbg("interface[%d] already set - ignoring HID collection: %s",
- interface_number, device_id);
- return LIBUSB_ERROR_ACCESS;
- }
- // In other cases, just use the latest data
- safe_free(priv->usb_interface[interface_number].path);
- }
-
- usbi_dbg("interface[%d] = %s", interface_number, dev_interface_path);
- priv->usb_interface[interface_number].path = dev_interface_path;
- priv->usb_interface[interface_number].apib = &usb_api_backend[api];
- priv->usb_interface[interface_number].sub_api = sub_api;
- if ((api == USB_API_HID) && (priv->hid == NULL)) {
- priv->hid = (struct hid_device_priv*) calloc(1, sizeof(struct hid_device_priv));
- if (priv->hid == NULL)
- return LIBUSB_ERROR_NO_MEM;
- }
-
- return LIBUSB_SUCCESS;
-}
-
-static int set_hid_interface(struct libusb_context* ctx, struct libusb_device* dev,
- char* dev_interface_path)
-{
- int i;
- struct windows_device_priv *priv = _device_priv(dev);
-
- if (priv->hid == NULL) {
- usbi_err(ctx, "program assertion failed: parent is not HID");
- return LIBUSB_ERROR_NO_DEVICE;
- }
- if (priv->hid->nb_interfaces == USB_MAXINTERFACES) {
- usbi_err(ctx, "program assertion failed: max USB interfaces reached for HID device");
- return LIBUSB_ERROR_NO_DEVICE;
- }
- for (i=0; i<priv->hid->nb_interfaces; i++) {
- if (safe_strcmp(priv->usb_interface[i].path, dev_interface_path) == 0) {
- usbi_dbg("interface[%d] already set to %s", i, dev_interface_path);
- return LIBUSB_SUCCESS;
- }
- }
-
- priv->usb_interface[priv->hid->nb_interfaces].path = dev_interface_path;
- priv->usb_interface[priv->hid->nb_interfaces].apib = &usb_api_backend[USB_API_HID];
- usbi_dbg("interface[%u] = %s", priv->hid->nb_interfaces, dev_interface_path);
- priv->hid->nb_interfaces++;
- return LIBUSB_SUCCESS;
-}
-
-/*
- * get_device_list: libusb backend device enumeration function
- */
-static int windows_get_device_list(struct libusb_context *ctx, struct discovered_devs **_discdevs)
-{
- struct discovered_devs *discdevs;
- HDEVINFO dev_info = { 0 };
- const char* usb_class[] = {"USB", "NUSB3", "IUSB3"};
- SP_DEVINFO_DATA dev_info_data = { 0 };
- SP_DEVICE_INTERFACE_DETAIL_DATA_A *dev_interface_details = NULL;
- GUID hid_guid;
-#define MAX_ENUM_GUIDS 64
- const GUID* guid[MAX_ENUM_GUIDS];
-#define HCD_PASS 0
-#define HUB_PASS 1
-#define GEN_PASS 2
-#define DEV_PASS 3
-#define HID_PASS 4
- int r = LIBUSB_SUCCESS;
- int api, sub_api;
- size_t class_index = 0;
- unsigned int nb_guids, pass, i, j, ancestor;
- char path[MAX_PATH_LENGTH];
- char strbuf[MAX_PATH_LENGTH];
- struct libusb_device *dev, *parent_dev;
- struct windows_device_priv *priv, *parent_priv;
- char* dev_interface_path = NULL;
- char* dev_id_path = NULL;
- unsigned long session_id;
- DWORD size, reg_type, port_nr, install_state;
- HKEY key;
- WCHAR guid_string_w[MAX_GUID_STRING_LENGTH];
- GUID* if_guid;
- LONG s;
- // Keep a list of newly allocated devs to unref
- libusb_device** unref_list;
- unsigned int unref_size = 64;
- unsigned int unref_cur = 0;
-
- // PASS 1 : (re)enumerate HCDs (allows for HCD hotplug)
- // PASS 2 : (re)enumerate HUBS
- // PASS 3 : (re)enumerate generic USB devices (including driverless)
- // and list additional USB device interface GUIDs to explore
- // PASS 4 : (re)enumerate master USB devices that have a device interface
- // PASS 5+: (re)enumerate device interfaced GUIDs (including HID) and
- // set the device interfaces.
-
- // Init the GUID table
- guid[HCD_PASS] = &GUID_DEVINTERFACE_USB_HOST_CONTROLLER;
- guid[HUB_PASS] = &GUID_DEVINTERFACE_USB_HUB;
- guid[GEN_PASS] = NULL;
- guid[DEV_PASS] = &GUID_DEVINTERFACE_USB_DEVICE;
- HidD_GetHidGuid(&hid_guid);
- guid[HID_PASS] = &hid_guid;
- nb_guids = HID_PASS+1;
-
- unref_list = (libusb_device**) calloc(unref_size, sizeof(libusb_device*));
- if (unref_list == NULL) {
- return LIBUSB_ERROR_NO_MEM;
- }
-
- for (pass = 0; ((pass < nb_guids) && (r == LIBUSB_SUCCESS)); pass++) {
-//#define ENUM_DEBUG
-#ifdef ENUM_DEBUG
- const char *passname[] = { "HCD", "HUB", "GEN", "DEV", "HID", "EXT" };
- usbi_dbg("#### PROCESSING %ss %s", passname[(pass<=HID_PASS)?pass:HID_PASS+1],
- (pass!=GEN_PASS)?guid_to_string(guid[pass]):"");
-#endif
- for (i = 0; ; i++) {
- // safe loop: free up any (unprotected) dynamic resource
- // NB: this is always executed before breaking the loop
- safe_free(dev_interface_details);
- safe_free(dev_interface_path);
- safe_free(dev_id_path);
- priv = parent_priv = NULL;
- dev = parent_dev = NULL;
-
- // Safe loop: end of loop conditions
- if (r != LIBUSB_SUCCESS) {
- break;
- }
- if ((pass == HCD_PASS) && (i == UINT8_MAX)) {
- usbi_warn(ctx, "program assertion failed - found more than %d buses, skipping the rest.", UINT8_MAX);
- break;
- }
- if (pass != GEN_PASS) {
- // Except for GEN, all passes deal with device interfaces
- dev_interface_details = get_interface_details(ctx, &dev_info, &dev_info_data, guid[pass], i);
- if (dev_interface_details == NULL) {
- break;
- } else {
- dev_interface_path = sanitize_path(dev_interface_details->DevicePath);
- if (dev_interface_path == NULL) {
- usbi_warn(ctx, "could not sanitize device interface path for '%s'", dev_interface_details->DevicePath);
- continue;
- }
- }
- } else {
- // Workaround for a Nec/Renesas USB 3.0 driver bug where root hubs are
- // being listed under the "NUSB3" PnP Symbolic Name rather than "USB".
- // The Intel USB 3.0 driver behaves similar, but uses "IUSB3"
- for (; class_index < ARRAYSIZE(usb_class); class_index++) {
- if (get_devinfo_data(ctx, &dev_info, &dev_info_data, usb_class[class_index], i))
- break;
- i = 0;
- }
- if (class_index >= ARRAYSIZE(usb_class))
- break;
- }
-
- // Read the Device ID path. This is what we'll use as UID
- // Note that if the device is plugged in a different port or hub, the Device ID changes
- if (CM_Get_Device_IDA(dev_info_data.DevInst, path, sizeof(path), 0) != CR_SUCCESS) {
- usbi_warn(ctx, "could not read the device id path for devinst %X, skipping",
- (unsigned int)dev_info_data.DevInst);
- continue;
- }
- dev_id_path = sanitize_path(path);
- if (dev_id_path == NULL) {
- usbi_warn(ctx, "could not sanitize device id path for devinst %X, skipping",
- (unsigned int)dev_info_data.DevInst);
- continue;
- }
-#ifdef ENUM_DEBUG
- usbi_dbg("PRO: %s", dev_id_path);
-#endif
-
- // The SPDRP_ADDRESS for USB devices is the device port number on the hub
- port_nr = 0;
- if ((pass >= HUB_PASS) && (pass <= GEN_PASS)) {
- if ( (!pSetupDiGetDeviceRegistryPropertyA(dev_info, &dev_info_data, SPDRP_ADDRESS,
- ®_type, (BYTE*)&port_nr, 4, &size))
- || (size != 4) ) {
- usbi_warn(ctx, "could not retrieve port number for device '%s', skipping: %s",
- dev_id_path, windows_error_str(0));
- continue;
- }
- }
-
- // Set API to use or get additional data from generic pass
- api = USB_API_UNSUPPORTED;
- sub_api = SUB_API_NOTSET;
- switch (pass) {
- case HCD_PASS:
- break;
- case GEN_PASS:
- // We use the GEN pass to detect driverless devices...
- size = sizeof(strbuf);
- if (!pSetupDiGetDeviceRegistryPropertyA(dev_info, &dev_info_data, SPDRP_DRIVER,
- ®_type, (BYTE*)strbuf, size, &size)) {
- usbi_info(ctx, "The following device has no driver: '%s'", dev_id_path);
- usbi_info(ctx, "libusb will not be able to access it.");
- }
- // ...and to add the additional device interface GUIDs
- key = pSetupDiOpenDevRegKey(dev_info, &dev_info_data, DICS_FLAG_GLOBAL, 0, DIREG_DEV, KEY_READ);
- if (key != INVALID_HANDLE_VALUE) {
- size = sizeof(guid_string_w);
- s = pRegQueryValueExW(key, L"DeviceInterfaceGUIDs", NULL, ®_type,
- (BYTE*)guid_string_w, &size);
- pRegCloseKey(key);
- if (s == ERROR_SUCCESS) {
- if (nb_guids >= MAX_ENUM_GUIDS) {
- // If this assert is ever reported, grow a GUID table dynamically
- usbi_err(ctx, "program assertion failed: too many GUIDs");
- LOOP_BREAK(LIBUSB_ERROR_OVERFLOW);
- }
- if_guid = (GUID*) calloc(1, sizeof(GUID));
- if (if_guid == NULL) {
- usbi_err(ctx, "could not calloc for if_guid: not enough memory");
- LOOP_BREAK(LIBUSB_ERROR_NO_MEM);
- }
- pCLSIDFromString(guid_string_w, if_guid);
- guid[nb_guids++] = if_guid;
- usbi_dbg("extra GUID: %s", guid_to_string(if_guid));
- }
- }
- break;
- case HID_PASS:
- api = USB_API_HID;
- break;
- default:
- // Get the API type (after checking that the driver installation is OK)
- if ( (!pSetupDiGetDeviceRegistryPropertyA(dev_info, &dev_info_data, SPDRP_INSTALL_STATE,
- ®_type, (BYTE*)&install_state, 4, &size))
- || (size != 4) ){
- usbi_warn(ctx, "could not detect installation state of driver for '%s': %s",
- dev_id_path, windows_error_str(0));
- } else if (install_state != 0) {
- usbi_warn(ctx, "driver for device '%s' is reporting an issue (code: %u) - skipping",
- dev_id_path, (unsigned int)install_state);
- continue;
- }
- get_api_type(ctx, &dev_info, &dev_info_data, &api, &sub_api);
- break;
- }
-
- // Find parent device (for the passes that need it)
- switch (pass) {
- case HCD_PASS:
- case DEV_PASS:
- case HUB_PASS:
- break;
- default:
- // Go through the ancestors until we see a face we recognize
- parent_dev = NULL;
- for (ancestor = 1; parent_dev == NULL; ancestor++) {
- session_id = get_ancestor_session_id(dev_info_data.DevInst, ancestor);
- if (session_id == 0) {
- break;
- }
- parent_dev = usbi_get_device_by_session_id(ctx, session_id);
- }
- if (parent_dev == NULL) {
- usbi_dbg("unlisted ancestor for '%s' (non USB HID, newly connected, etc.) - ignoring", dev_id_path);
- continue;
- }
- parent_priv = _device_priv(parent_dev);
- // virtual USB devices are also listed during GEN - don't process these yet
- if ( (pass == GEN_PASS) && (parent_priv->apib->id != USB_API_HUB) ) {
- libusb_unref_device(parent_dev);
- continue;
- }
- break;
- }
-
- // Create new or match existing device, using the (hashed) device_id as session id
- if (pass <= DEV_PASS) { // For subsequent passes, we'll lookup the parent
- // These are the passes that create "new" devices
- session_id = htab_hash(dev_id_path);
- dev = usbi_get_device_by_session_id(ctx, session_id);
- if (dev == NULL) {
- if (pass == DEV_PASS) {
- // This can occur if the OS only reports a newly plugged device after we started enum
- usbi_warn(ctx, "'%s' was only detected in late pass (newly connected device?)"
- " - ignoring", dev_id_path);
- continue;
- }
- usbi_dbg("allocating new device for session [%lX]", session_id);
- if ((dev = usbi_alloc_device(ctx, session_id)) == NULL) {
- LOOP_BREAK(LIBUSB_ERROR_NO_MEM);
- }
- windows_device_priv_init(dev);
- } else {
- usbi_dbg("found existing device for session [%lX] (%u.%u)",
- session_id, dev->bus_number, dev->device_address);
- }
- // Keep track of devices that need unref
- unref_list[unref_cur++] = dev;
- if (unref_cur >= unref_size) {
- unref_size += 64;
- unref_list = usbi_reallocf(unref_list, unref_size*sizeof(libusb_device*));
- if (unref_list == NULL) {
- usbi_err(ctx, "could not realloc list for unref - aborting.");
- LOOP_BREAK(LIBUSB_ERROR_NO_MEM);
- }
- }
- priv = _device_priv(dev);
- }
-
- // Setup device
- switch (pass) {
- case HCD_PASS:
- dev->bus_number = (uint8_t)(i + 1); // bus 0 is reserved for disconnected
- dev->device_address = 0;
- dev->num_configurations = 0;
- priv->apib = &usb_api_backend[USB_API_HUB];
- priv->sub_api = SUB_API_NOTSET;
- priv->depth = UINT8_MAX; // Overflow to 0 for HCD Hubs
- priv->path = dev_interface_path; dev_interface_path = NULL;
- break;
- case HUB_PASS:
- case DEV_PASS:
- // If the device has already been setup, don't do it again
- if (priv->path != NULL)
- break;
- // Take care of API initialization
- priv->path = dev_interface_path; dev_interface_path = NULL;
- priv->apib = &usb_api_backend[api];
- priv->sub_api = sub_api;
- switch(api) {
- case USB_API_COMPOSITE:
- case USB_API_HUB:
- break;
- case USB_API_HID:
- priv->hid = calloc(1, sizeof(struct hid_device_priv));
- if (priv->hid == NULL) {
- LOOP_BREAK(LIBUSB_ERROR_NO_MEM);
- }
- priv->hid->nb_interfaces = 0;
- break;
- default:
- // For other devices, the first interface is the same as the device
- priv->usb_interface[0].path = (char*) calloc(safe_strlen(priv->path)+1, 1);
- if (priv->usb_interface[0].path != NULL) {
- safe_strcpy(priv->usb_interface[0].path, safe_strlen(priv->path)+1, priv->path);
- } else {
- usbi_warn(ctx, "could not duplicate interface path '%s'", priv->path);
- }
- // The following is needed if we want API calls to work for both simple
- // and composite devices.
- for(j=0; j<USB_MAXINTERFACES; j++) {
- priv->usb_interface[j].apib = &usb_api_backend[api];
- }
- break;
- }
- break;
- case GEN_PASS:
- r = init_device(dev, parent_dev, (uint8_t)port_nr, dev_id_path, dev_info_data.DevInst);
- if (r == LIBUSB_SUCCESS) {
- // Append device to the list of discovered devices
- discdevs = discovered_devs_append(*_discdevs, dev);
- if (!discdevs) {
- LOOP_BREAK(LIBUSB_ERROR_NO_MEM);
- }
- *_discdevs = discdevs;
- } else if (r == LIBUSB_ERROR_NO_DEVICE) {
- // This can occur if the device was disconnected but Windows hasn't
- // refreshed its enumeration yet - in that case, we ignore the device
- r = LIBUSB_SUCCESS;
- }
- break;
- default: // HID_PASS and later
- if (parent_priv->apib->id == USB_API_HID) {
- usbi_dbg("setting HID interface for [%lX]:", parent_dev->session_data);
- r = set_hid_interface(ctx, parent_dev, dev_interface_path);
- if (r != LIBUSB_SUCCESS) LOOP_BREAK(r);
- dev_interface_path = NULL;
- } else if (parent_priv->apib->id == USB_API_COMPOSITE) {
- usbi_dbg("setting composite interface for [%lX]:", parent_dev->session_data);
- switch (set_composite_interface(ctx, parent_dev, dev_interface_path, dev_id_path, api, sub_api)) {
- case LIBUSB_SUCCESS:
- dev_interface_path = NULL;
- break;
- case LIBUSB_ERROR_ACCESS:
- // interface has already been set => make sure dev_interface_path is freed then
- break;
- default:
- LOOP_BREAK(r);
- break;
- }
- }
- libusb_unref_device(parent_dev);
- break;
- }
- }
- }
-
- // Free any additional GUIDs
- for (pass = HID_PASS+1; pass < nb_guids; pass++) {
- safe_free(guid[pass]);
- }
-
- // Unref newly allocated devs
- if (unref_list != NULL) {
- for (i=0; i<unref_cur; i++) {
- safe_unref_device(unref_list[i]);
- }
- free(unref_list);
- }
-
- return r;
-}
-
-/*
- * exit: libusb backend deinitialization function
- */
-static void windows_exit(void)
-{
- int i;
- HANDLE semaphore;
- char sem_name[11+1+8]; // strlen(libusb_init)+'\0'+(32-bit hex PID)
-
- sprintf(sem_name, "libusb_init%08X", (unsigned int)GetCurrentProcessId());
- semaphore = CreateSemaphoreA(NULL, 1, 1, sem_name);
- if (semaphore == NULL) {
- return;
- }
-
- // A successful wait brings our semaphore count to 0 (unsignaled)
- // => any concurent wait stalls until the semaphore release
- if (WaitForSingleObject(semaphore, INFINITE) != WAIT_OBJECT_0) {
- CloseHandle(semaphore);
- return;
- }
-
- // Only works if exits and inits are balanced exactly
- if (--concurrent_usage < 0) { // Last exit
- for (i=0; i<USB_API_MAX; i++) {
- usb_api_backend[i].exit(SUB_API_NOTSET);
- }
- exit_polling();
- windows_common_exit();
- usbi_mutex_destroy(&autoclaim_lock);
- }
-
- ReleaseSemaphore(semaphore, 1, NULL); // increase count back to 1
- CloseHandle(semaphore);
-}
-
-static int windows_get_device_descriptor(struct libusb_device *dev, unsigned char *buffer, int *host_endian)
-{
- struct windows_device_priv *priv = _device_priv(dev);
-
- memcpy(buffer, &(priv->dev_descriptor), DEVICE_DESC_LENGTH);
- *host_endian = 0;
-
- return LIBUSB_SUCCESS;
-}
-
-static int windows_get_config_descriptor(struct libusb_device *dev, uint8_t config_index, unsigned char *buffer, size_t len, int *host_endian)
-{
- struct windows_device_priv *priv = _device_priv(dev);
- PUSB_CONFIGURATION_DESCRIPTOR config_header;
- size_t size;
-
- // config index is zero based
- if (config_index >= dev->num_configurations)
- return LIBUSB_ERROR_INVALID_PARAM;
-
- if ((priv->config_descriptor == NULL) || (priv->config_descriptor[config_index] == NULL))
- return LIBUSB_ERROR_NOT_FOUND;
-
- config_header = (PUSB_CONFIGURATION_DESCRIPTOR)priv->config_descriptor[config_index];
-
- size = MIN(config_header->wTotalLength, len);
- memcpy(buffer, priv->config_descriptor[config_index], size);
- *host_endian = 0;
-
- return (int)size;
-}
-
-/*
- * return the cached copy of the active config descriptor
- */
-static int windows_get_active_config_descriptor(struct libusb_device *dev, unsigned char *buffer, size_t len, int *host_endian)
-{
- struct windows_device_priv *priv = _device_priv(dev);
-
- if (priv->active_config == 0)
- return LIBUSB_ERROR_NOT_FOUND;
-
- // config index is zero based
- return windows_get_config_descriptor(dev, (uint8_t)(priv->active_config-1), buffer, len, host_endian);
-}
-
-static int windows_open(struct libusb_device_handle *dev_handle)
-{
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
-
- if (priv->apib == NULL) {
- usbi_err(ctx, "program assertion failed - device is not initialized");
- return LIBUSB_ERROR_NO_DEVICE;
- }
-
- return priv->apib->open(SUB_API_NOTSET, dev_handle);
-}
-
-static void windows_close(struct libusb_device_handle *dev_handle)
-{
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
-
- priv->apib->close(SUB_API_NOTSET, dev_handle);
-}
-
-static int windows_get_configuration(struct libusb_device_handle *dev_handle, int *config)
-{
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
-
- if (priv->active_config == 0) {
- *config = 0;
- return LIBUSB_ERROR_NOT_FOUND;
- }
-
- *config = priv->active_config;
- return LIBUSB_SUCCESS;
-}
-
-/*
- * from http://msdn.microsoft.com/en-us/library/ms793522.aspx: "The port driver
- * does not currently expose a service that allows higher-level drivers to set
- * the configuration."
- */
-static int windows_set_configuration(struct libusb_device_handle *dev_handle, int config)
-{
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- int r = LIBUSB_SUCCESS;
-
- if (config >= USB_MAXCONFIG)
- return LIBUSB_ERROR_INVALID_PARAM;
-
- r = libusb_control_transfer(dev_handle, LIBUSB_ENDPOINT_OUT |
- LIBUSB_REQUEST_TYPE_STANDARD | LIBUSB_RECIPIENT_DEVICE,
- LIBUSB_REQUEST_SET_CONFIGURATION, (uint16_t)config,
- 0, NULL, 0, 1000);
-
- if (r == LIBUSB_SUCCESS) {
- priv->active_config = (uint8_t)config;
- }
- return r;
-}
-
-static int windows_claim_interface(struct libusb_device_handle *dev_handle, int iface)
-{
- int r = LIBUSB_SUCCESS;
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
-
- safe_free(priv->usb_interface[iface].endpoint);
- priv->usb_interface[iface].nb_endpoints= 0;
-
- r = priv->apib->claim_interface(SUB_API_NOTSET, dev_handle, iface);
-
- if (r == LIBUSB_SUCCESS) {
- r = windows_assign_endpoints(dev_handle, iface, 0);
- }
-
- return r;
-}
-
-static int windows_set_interface_altsetting(struct libusb_device_handle *dev_handle, int iface, int altsetting)
-{
- int r = LIBUSB_SUCCESS;
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
-
- safe_free(priv->usb_interface[iface].endpoint);
- priv->usb_interface[iface].nb_endpoints= 0;
-
- r = priv->apib->set_interface_altsetting(SUB_API_NOTSET, dev_handle, iface, altsetting);
-
- if (r == LIBUSB_SUCCESS) {
- r = windows_assign_endpoints(dev_handle, iface, altsetting);
- }
-
- return r;
-}
-
-static int windows_release_interface(struct libusb_device_handle *dev_handle, int iface)
-{
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
-
- return priv->apib->release_interface(SUB_API_NOTSET, dev_handle, iface);
-}
-
-static int windows_clear_halt(struct libusb_device_handle *dev_handle, unsigned char endpoint)
-{
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- return priv->apib->clear_halt(SUB_API_NOTSET, dev_handle, endpoint);
-}
-
-static int windows_reset_device(struct libusb_device_handle *dev_handle)
-{
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- return priv->apib->reset_device(SUB_API_NOTSET, dev_handle);
-}
-
-// The 3 functions below are unlikely to ever get supported on Windows
-static int windows_kernel_driver_active(struct libusb_device_handle *dev_handle, int iface)
-{
- return LIBUSB_ERROR_NOT_SUPPORTED;
-}
-
-static int windows_attach_kernel_driver(struct libusb_device_handle *dev_handle, int iface)
-{
- return LIBUSB_ERROR_NOT_SUPPORTED;
-}
-
-static int windows_detach_kernel_driver(struct libusb_device_handle *dev_handle, int iface)
-{
- return LIBUSB_ERROR_NOT_SUPPORTED;
-}
-
-static void windows_destroy_device(struct libusb_device *dev)
-{
- windows_device_priv_release(dev);
-}
-
-void windows_clear_transfer_priv(struct usbi_transfer *itransfer)
-{
- struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
-
- usbi_free_fd(&transfer_priv->pollable_fd);
- safe_free(transfer_priv->hid_buffer);
- // When auto claim is in use, attempt to release the auto-claimed interface
- auto_release(itransfer);
-}
-
-static int submit_bulk_transfer(struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
- struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
- int r;
-
- r = priv->apib->submit_bulk_transfer(SUB_API_NOTSET, itransfer);
- if (r != LIBUSB_SUCCESS) {
- return r;
- }
-
- usbi_add_pollfd(ctx, transfer_priv->pollable_fd.fd,
- (short)(IS_XFERIN(transfer) ? POLLIN : POLLOUT));
-
- return LIBUSB_SUCCESS;
-}
-
-static int submit_iso_transfer(struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
- struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
- int r;
-
- r = priv->apib->submit_iso_transfer(SUB_API_NOTSET, itransfer);
- if (r != LIBUSB_SUCCESS) {
- return r;
- }
-
- usbi_add_pollfd(ctx, transfer_priv->pollable_fd.fd,
- (short)(IS_XFERIN(transfer) ? POLLIN : POLLOUT));
-
- return LIBUSB_SUCCESS;
-}
-
-static int submit_control_transfer(struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
- struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
- int r;
-
- r = priv->apib->submit_control_transfer(SUB_API_NOTSET, itransfer);
- if (r != LIBUSB_SUCCESS) {
- return r;
- }
-
- usbi_add_pollfd(ctx, transfer_priv->pollable_fd.fd, POLLIN);
-
- return LIBUSB_SUCCESS;
-
-}
-
-static int windows_submit_transfer(struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
-
- switch (transfer->type) {
- case LIBUSB_TRANSFER_TYPE_CONTROL:
- return submit_control_transfer(itransfer);
- case LIBUSB_TRANSFER_TYPE_BULK:
- case LIBUSB_TRANSFER_TYPE_INTERRUPT:
- if (IS_XFEROUT(transfer) &&
- transfer->flags & LIBUSB_TRANSFER_ADD_ZERO_PACKET)
- return LIBUSB_ERROR_NOT_SUPPORTED;
- return submit_bulk_transfer(itransfer);
- case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
- return submit_iso_transfer(itransfer);
- case LIBUSB_TRANSFER_TYPE_BULK_STREAM:
- return LIBUSB_ERROR_NOT_SUPPORTED;
- default:
- usbi_err(TRANSFER_CTX(transfer), "unknown endpoint type %d", transfer->type);
- return LIBUSB_ERROR_INVALID_PARAM;
- }
-}
-
-static int windows_abort_control(struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
-
- return priv->apib->abort_control(SUB_API_NOTSET, itransfer);
-}
-
-static int windows_abort_transfers(struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
-
- return priv->apib->abort_transfers(SUB_API_NOTSET, itransfer);
-}
-
-static int windows_cancel_transfer(struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
-
- switch (transfer->type) {
- case LIBUSB_TRANSFER_TYPE_CONTROL:
- return windows_abort_control(itransfer);
- case LIBUSB_TRANSFER_TYPE_BULK:
- case LIBUSB_TRANSFER_TYPE_INTERRUPT:
- case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
- return windows_abort_transfers(itransfer);
- case LIBUSB_TRANSFER_TYPE_BULK_STREAM:
- return LIBUSB_ERROR_NOT_SUPPORTED;
- default:
- usbi_err(ITRANSFER_CTX(itransfer), "unknown endpoint type %d", transfer->type);
- return LIBUSB_ERROR_INVALID_PARAM;
- }
-}
-
-int windows_copy_transfer_data(struct usbi_transfer *itransfer, uint32_t io_size)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
- return priv->apib->copy_transfer_data(SUB_API_NOTSET, itransfer, io_size);
-}
-
-struct winfd *windows_get_fd(struct usbi_transfer *transfer)
-{
- struct windows_transfer_priv *transfer_priv = usbi_transfer_get_os_priv(transfer);
- return &transfer_priv->pollable_fd;
-}
-
-void windows_get_overlapped_result(struct usbi_transfer *transfer, struct winfd *pollable_fd, DWORD *io_result, DWORD *io_size)
-{
- if (HasOverlappedIoCompletedSync(pollable_fd->overlapped)) {
- *io_result = NO_ERROR;
- *io_size = (DWORD)pollable_fd->overlapped->InternalHigh;
- // Regular async overlapped
- }
- else if (GetOverlappedResult(pollable_fd->handle, pollable_fd->overlapped, io_size, false)) {
- *io_result = NO_ERROR;
- }
- else {
- *io_result = GetLastError();
- }
-}
-
-// NB: MSVC6 does not support named initializers.
-const struct usbi_os_backend windows_backend = {
- "Windows",
- USBI_CAP_HAS_HID_ACCESS,
- windows_init,
- windows_exit,
-
- windows_get_device_list,
- NULL, /* hotplug_poll */
- windows_open,
- windows_close,
-
- windows_get_device_descriptor,
- windows_get_active_config_descriptor,
- windows_get_config_descriptor,
- NULL, /* get_config_descriptor_by_value() */
-
- windows_get_configuration,
- windows_set_configuration,
- windows_claim_interface,
- windows_release_interface,
-
- windows_set_interface_altsetting,
- windows_clear_halt,
- windows_reset_device,
-
- NULL, /* alloc_streams */
- NULL, /* free_streams */
-
- windows_kernel_driver_active,
- windows_detach_kernel_driver,
- windows_attach_kernel_driver,
-
- windows_destroy_device,
-
- windows_submit_transfer,
- windows_cancel_transfer,
- windows_clear_transfer_priv,
-
- windows_handle_events,
- NULL,
-
- windows_clock_gettime,
-#if defined(USBI_TIMERFD_AVAILABLE)
- NULL,
-#endif
- sizeof(struct windows_device_priv),
- sizeof(struct windows_device_handle_priv),
- sizeof(struct windows_transfer_priv),
-};
-
-
-/*
- * USB API backends
- */
-static int unsupported_init(int sub_api, struct libusb_context *ctx) {
- return LIBUSB_SUCCESS;
-}
-static int unsupported_exit(int sub_api) {
- return LIBUSB_SUCCESS;
-}
-static int unsupported_open(int sub_api, struct libusb_device_handle *dev_handle) {
- PRINT_UNSUPPORTED_API(open);
-}
-static void unsupported_close(int sub_api, struct libusb_device_handle *dev_handle) {
- usbi_dbg("unsupported API call for 'close'");
-}
-static int unsupported_configure_endpoints(int sub_api, struct libusb_device_handle *dev_handle, int iface) {
- PRINT_UNSUPPORTED_API(configure_endpoints);
-}
-static int unsupported_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface) {
- PRINT_UNSUPPORTED_API(claim_interface);
-}
-static int unsupported_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting) {
- PRINT_UNSUPPORTED_API(set_interface_altsetting);
-}
-static int unsupported_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface) {
- PRINT_UNSUPPORTED_API(release_interface);
-}
-static int unsupported_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint) {
- PRINT_UNSUPPORTED_API(clear_halt);
-}
-static int unsupported_reset_device(int sub_api, struct libusb_device_handle *dev_handle) {
- PRINT_UNSUPPORTED_API(reset_device);
-}
-static int unsupported_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer) {
- PRINT_UNSUPPORTED_API(submit_bulk_transfer);
-}
-static int unsupported_submit_iso_transfer(int sub_api, struct usbi_transfer *itransfer) {
- PRINT_UNSUPPORTED_API(submit_iso_transfer);
-}
-static int unsupported_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer) {
- PRINT_UNSUPPORTED_API(submit_control_transfer);
-}
-static int unsupported_abort_control(int sub_api, struct usbi_transfer *itransfer) {
- PRINT_UNSUPPORTED_API(abort_control);
-}
-static int unsupported_abort_transfers(int sub_api, struct usbi_transfer *itransfer) {
- PRINT_UNSUPPORTED_API(abort_transfers);
-}
-static int unsupported_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size) {
- PRINT_UNSUPPORTED_API(copy_transfer_data);
-}
-static int common_configure_endpoints(int sub_api, struct libusb_device_handle *dev_handle, int iface) {
- return LIBUSB_SUCCESS;
-}
-// These names must be uppercase
-const char* hub_driver_names[] = {"USBHUB", "USBHUB3", "USB3HUB", "NUSB3HUB", "RUSB3HUB", "FLXHCIH", "TIHUB3", "ETRONHUB3", "VIAHUB3", "ASMTHUB3", "IUSB3HUB", "VUSB3HUB", "AMDHUB30", "VHHUB"};
-const char* composite_driver_names[] = {"USBCCGP"};
-const char* winusbx_driver_names[] = WINUSBX_DRV_NAMES;
-const char* hid_driver_names[] = {"HIDUSB", "MOUHID", "KBDHID"};
-const struct windows_usb_api_backend usb_api_backend[USB_API_MAX] = {
- {
- USB_API_UNSUPPORTED,
- "Unsupported API",
- NULL,
- 0,
- unsupported_init,
- unsupported_exit,
- unsupported_open,
- unsupported_close,
- unsupported_configure_endpoints,
- unsupported_claim_interface,
- unsupported_set_interface_altsetting,
- unsupported_release_interface,
- unsupported_clear_halt,
- unsupported_reset_device,
- unsupported_submit_bulk_transfer,
- unsupported_submit_iso_transfer,
- unsupported_submit_control_transfer,
- unsupported_abort_control,
- unsupported_abort_transfers,
- unsupported_copy_transfer_data,
- }, {
- USB_API_HUB,
- "HUB API",
- hub_driver_names,
- ARRAYSIZE(hub_driver_names),
- unsupported_init,
- unsupported_exit,
- unsupported_open,
- unsupported_close,
- unsupported_configure_endpoints,
- unsupported_claim_interface,
- unsupported_set_interface_altsetting,
- unsupported_release_interface,
- unsupported_clear_halt,
- unsupported_reset_device,
- unsupported_submit_bulk_transfer,
- unsupported_submit_iso_transfer,
- unsupported_submit_control_transfer,
- unsupported_abort_control,
- unsupported_abort_transfers,
- unsupported_copy_transfer_data,
- }, {
- USB_API_COMPOSITE,
- "Composite API",
- composite_driver_names,
- ARRAYSIZE(composite_driver_names),
- composite_init,
- composite_exit,
- composite_open,
- composite_close,
- common_configure_endpoints,
- composite_claim_interface,
- composite_set_interface_altsetting,
- composite_release_interface,
- composite_clear_halt,
- composite_reset_device,
- composite_submit_bulk_transfer,
- composite_submit_iso_transfer,
- composite_submit_control_transfer,
- composite_abort_control,
- composite_abort_transfers,
- composite_copy_transfer_data,
- }, {
- USB_API_WINUSBX,
- "WinUSB-like APIs",
- winusbx_driver_names,
- ARRAYSIZE(winusbx_driver_names),
- winusbx_init,
- winusbx_exit,
- winusbx_open,
- winusbx_close,
- winusbx_configure_endpoints,
- winusbx_claim_interface,
- winusbx_set_interface_altsetting,
- winusbx_release_interface,
- winusbx_clear_halt,
- winusbx_reset_device,
- winusbx_submit_bulk_transfer,
- unsupported_submit_iso_transfer,
- winusbx_submit_control_transfer,
- winusbx_abort_control,
- winusbx_abort_transfers,
- winusbx_copy_transfer_data,
- }, {
- USB_API_HID,
- "HID API",
- hid_driver_names,
- ARRAYSIZE(hid_driver_names),
- hid_init,
- hid_exit,
- hid_open,
- hid_close,
- common_configure_endpoints,
- hid_claim_interface,
- hid_set_interface_altsetting,
- hid_release_interface,
- hid_clear_halt,
- hid_reset_device,
- hid_submit_bulk_transfer,
- unsupported_submit_iso_transfer,
- hid_submit_control_transfer,
- hid_abort_transfers,
- hid_abort_transfers,
- hid_copy_transfer_data,
- },
-};
-
-
-/*
- * WinUSB-like (WinUSB, libusb0/libusbK through libusbk DLL) API functions
- */
-#define WinUSBX_Set(fn) do { if (native_winusb) WinUSBX[i].fn = (WinUsb_##fn##_t) GetProcAddress(h, "WinUsb_" #fn); \
- else pLibK_GetProcAddress((PVOID*)&WinUSBX[i].fn, i, KUSB_FNID_##fn); } while (0)
-
-static int winusbx_init(int sub_api, struct libusb_context *ctx)
-{
- HMODULE h = NULL;
- bool native_winusb = false;
- int i;
- KLIB_VERSION LibK_Version;
- LibK_GetProcAddress_t pLibK_GetProcAddress = NULL;
- LibK_GetVersion_t pLibK_GetVersion = NULL;
-
- h = GetModuleHandleA("libusbK");
- if (h == NULL) {
- h = LoadLibraryA("libusbK");
- }
- if (h == NULL) {
- usbi_info(ctx, "libusbK DLL is not available, will use native WinUSB");
- h = GetModuleHandleA("WinUSB");
- if (h == NULL) {
- h = LoadLibraryA("WinUSB");
- } if (h == NULL) {
- usbi_warn(ctx, "WinUSB DLL is not available either, "
- "you will not be able to access devices outside of enumeration");
- return LIBUSB_ERROR_NOT_FOUND;
- }
- } else {
- usbi_dbg("using libusbK DLL for universal access");
- pLibK_GetVersion = (LibK_GetVersion_t) GetProcAddress(h, "LibK_GetVersion");
- if (pLibK_GetVersion != NULL) {
- pLibK_GetVersion(&LibK_Version);
- usbi_dbg("libusbK version: %d.%d.%d.%d", LibK_Version.Major, LibK_Version.Minor,
- LibK_Version.Micro, LibK_Version.Nano);
- }
- pLibK_GetProcAddress = (LibK_GetProcAddress_t) GetProcAddress(h, "LibK_GetProcAddress");
- if (pLibK_GetProcAddress == NULL) {
- usbi_err(ctx, "LibK_GetProcAddress() not found in libusbK DLL");
- return LIBUSB_ERROR_NOT_FOUND;
- }
- }
- native_winusb = (pLibK_GetProcAddress == NULL);
- for (i=SUB_API_LIBUSBK; i<SUB_API_MAX; i++) {
- WinUSBX_Set(AbortPipe);
- WinUSBX_Set(ControlTransfer);
- WinUSBX_Set(FlushPipe);
- WinUSBX_Set(Free);
- WinUSBX_Set(GetAssociatedInterface);
- WinUSBX_Set(GetCurrentAlternateSetting);
- WinUSBX_Set(GetDescriptor);
- WinUSBX_Set(GetOverlappedResult);
- WinUSBX_Set(GetPipePolicy);
- WinUSBX_Set(GetPowerPolicy);
- WinUSBX_Set(Initialize);
- WinUSBX_Set(QueryDeviceInformation);
- WinUSBX_Set(QueryInterfaceSettings);
- WinUSBX_Set(QueryPipe);
- WinUSBX_Set(ReadPipe);
- WinUSBX_Set(ResetPipe);
- WinUSBX_Set(SetCurrentAlternateSetting);
- WinUSBX_Set(SetPipePolicy);
- WinUSBX_Set(SetPowerPolicy);
- WinUSBX_Set(WritePipe);
- if (!native_winusb) {
- WinUSBX_Set(ResetDevice);
- }
- if (WinUSBX[i].Initialize != NULL) {
- WinUSBX[i].initialized = true;
- usbi_dbg("initalized sub API %s", sub_api_name[i]);
- } else {
- usbi_warn(ctx, "Failed to initalize sub API %s", sub_api_name[i]);
- WinUSBX[i].initialized = false;
- }
- }
- return LIBUSB_SUCCESS;
-}
-
-static int winusbx_exit(int sub_api)
-{
- return LIBUSB_SUCCESS;
-}
-
-// NB: open and close must ensure that they only handle interface of
-// the right API type, as these functions can be called wholesale from
-// composite_open(), with interfaces belonging to different APIs
-static int winusbx_open(int sub_api, struct libusb_device_handle *dev_handle)
-{
- struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
-
- HANDLE file_handle;
- int i;
-
- CHECK_WINUSBX_AVAILABLE(sub_api);
-
- // WinUSB requires a separate handle for each interface
- for (i = 0; i < USB_MAXINTERFACES; i++) {
- if ( (priv->usb_interface[i].path != NULL)
- && (priv->usb_interface[i].apib->id == USB_API_WINUSBX) ) {
- file_handle = CreateFileA(priv->usb_interface[i].path, GENERIC_WRITE | GENERIC_READ, FILE_SHARE_WRITE | FILE_SHARE_READ,
- NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, NULL);
- if (file_handle == INVALID_HANDLE_VALUE) {
- usbi_err(ctx, "could not open device %s (interface %d): %s", priv->usb_interface[i].path, i, windows_error_str(0));
- switch(GetLastError()) {
- case ERROR_FILE_NOT_FOUND: // The device was disconnected
- return LIBUSB_ERROR_NO_DEVICE;
- case ERROR_ACCESS_DENIED:
- return LIBUSB_ERROR_ACCESS;
- default:
- return LIBUSB_ERROR_IO;
- }
- }
- handle_priv->interface_handle[i].dev_handle = file_handle;
- }
- }
-
- return LIBUSB_SUCCESS;
-}
-
-static void winusbx_close(int sub_api, struct libusb_device_handle *dev_handle)
-{
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- HANDLE handle;
- int i;
-
- if (sub_api == SUB_API_NOTSET)
- sub_api = priv->sub_api;
- if (!WinUSBX[sub_api].initialized)
- return;
-
- if (priv->apib->id == USB_API_COMPOSITE) {
- // If this is a composite device, just free and close all WinUSB-like
- // interfaces directly (each is independent and not associated with another)
- for (i = 0; i < USB_MAXINTERFACES; i++) {
- if (priv->usb_interface[i].apib->id == USB_API_WINUSBX) {
- handle = handle_priv->interface_handle[i].api_handle;
- if ((handle != 0) && (handle != INVALID_HANDLE_VALUE)) {
- WinUSBX[sub_api].Free(handle);
- }
- handle = handle_priv->interface_handle[i].dev_handle;
- if ((handle != 0) && (handle != INVALID_HANDLE_VALUE)) {
- CloseHandle(handle);
- }
- }
- }
- }
- else {
- // If this is a WinUSB device, free all interfaces above interface 0,
- // then free and close interface 0 last
- for (i = 1; i < USB_MAXINTERFACES; i++) {
- handle = handle_priv->interface_handle[i].api_handle;
- if ((handle != 0) && (handle != INVALID_HANDLE_VALUE)) {
- WinUSBX[sub_api].Free(handle);
- }
- }
- handle = handle_priv->interface_handle[0].api_handle;
- if ((handle != 0) && (handle != INVALID_HANDLE_VALUE)) {
- WinUSBX[sub_api].Free(handle);
- }
- handle = handle_priv->interface_handle[0].dev_handle;
- if ((handle != 0) && (handle != INVALID_HANDLE_VALUE)) {
- CloseHandle(handle);
- }
- }
-}
-
-static int winusbx_configure_endpoints(int sub_api, struct libusb_device_handle *dev_handle, int iface)
-{
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- HANDLE winusb_handle = handle_priv->interface_handle[iface].api_handle;
- UCHAR policy;
- ULONG timeout = 0;
- uint8_t endpoint_address;
- int i;
-
- CHECK_WINUSBX_AVAILABLE(sub_api);
-
- // With handle and enpoints set (in parent), we can setup the default pipe properties
- // see http://download.microsoft.com/download/D/1/D/D1DD7745-426B-4CC3-A269-ABBBE427C0EF/DVC-T705_DDC08.pptx
- for (i=-1; i<priv->usb_interface[iface].nb_endpoints; i++) {
- endpoint_address =(i==-1)?0:priv->usb_interface[iface].endpoint[i];
- if (!WinUSBX[sub_api].SetPipePolicy(winusb_handle, endpoint_address,
- PIPE_TRANSFER_TIMEOUT, sizeof(ULONG), &timeout)) {
- usbi_dbg("failed to set PIPE_TRANSFER_TIMEOUT for control endpoint %02X", endpoint_address);
- }
- if ((i == -1) || (sub_api == SUB_API_LIBUSB0)) {
- continue; // Other policies don't apply to control endpoint or libusb0
- }
- policy = false;
- if (!WinUSBX[sub_api].SetPipePolicy(winusb_handle, endpoint_address,
- SHORT_PACKET_TERMINATE, sizeof(UCHAR), &policy)) {
- usbi_dbg("failed to disable SHORT_PACKET_TERMINATE for endpoint %02X", endpoint_address);
- }
- if (!WinUSBX[sub_api].SetPipePolicy(winusb_handle, endpoint_address,
- IGNORE_SHORT_PACKETS, sizeof(UCHAR), &policy)) {
- usbi_dbg("failed to disable IGNORE_SHORT_PACKETS for endpoint %02X", endpoint_address);
- }
- policy = true;
- /* ALLOW_PARTIAL_READS must be enabled due to likely libusbK bug. See:
- https://sourceforge.net/mailarchive/message.php?msg_id=29736015 */
- if (!WinUSBX[sub_api].SetPipePolicy(winusb_handle, endpoint_address,
- ALLOW_PARTIAL_READS, sizeof(UCHAR), &policy)) {
- usbi_dbg("failed to enable ALLOW_PARTIAL_READS for endpoint %02X", endpoint_address);
- }
- if (!WinUSBX[sub_api].SetPipePolicy(winusb_handle, endpoint_address,
- AUTO_CLEAR_STALL, sizeof(UCHAR), &policy)) {
- usbi_dbg("failed to enable AUTO_CLEAR_STALL for endpoint %02X", endpoint_address);
- }
- }
-
- return LIBUSB_SUCCESS;
-}
-
-static int winusbx_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface)
-{
- struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- bool is_using_usbccgp = (priv->apib->id == USB_API_COMPOSITE);
- HANDLE file_handle, winusb_handle;
- DWORD err;
- int i;
- SP_DEVICE_INTERFACE_DETAIL_DATA_A *dev_interface_details = NULL;
- HDEVINFO dev_info = INVALID_HANDLE_VALUE;
- SP_DEVINFO_DATA dev_info_data;
- char* dev_path_no_guid = NULL;
- char filter_path[] = "\\\\.\\libusb0-0000";
- bool found_filter = false;
-
- CHECK_WINUSBX_AVAILABLE(sub_api);
-
- // If the device is composite, but using the default Windows composite parent driver (usbccgp)
- // or if it's the first WinUSB-like interface, we get a handle through Initialize().
- if ((is_using_usbccgp) || (iface == 0)) {
- // composite device (independent interfaces) or interface 0
- file_handle = handle_priv->interface_handle[iface].dev_handle;
- if ((file_handle == 0) || (file_handle == INVALID_HANDLE_VALUE)) {
- return LIBUSB_ERROR_NOT_FOUND;
- }
-
- if (!WinUSBX[sub_api].Initialize(file_handle, &winusb_handle)) {
- handle_priv->interface_handle[iface].api_handle = INVALID_HANDLE_VALUE;
- err = GetLastError();
- switch(err) {
- case ERROR_BAD_COMMAND:
- // The device was disconnected
- usbi_err(ctx, "could not access interface %d: %s", iface, windows_error_str(0));
- return LIBUSB_ERROR_NO_DEVICE;
- default:
- // it may be that we're using the libusb0 filter driver.
- // TODO: can we move this whole business into the K/0 DLL?
- for (i = 0; ; i++) {
- safe_free(dev_interface_details);
- safe_free(dev_path_no_guid);
- dev_interface_details = get_interface_details_filter(ctx, &dev_info, &dev_info_data, &GUID_DEVINTERFACE_LIBUSB0_FILTER, i, filter_path);
- if ((found_filter) || (dev_interface_details == NULL)) {
- break;
- }
- // ignore GUID part
- dev_path_no_guid = sanitize_path(strtok(dev_interface_details->DevicePath, "{"));
- if (safe_strncmp(dev_path_no_guid, priv->usb_interface[iface].path, safe_strlen(dev_path_no_guid)) == 0) {
- file_handle = CreateFileA(filter_path, GENERIC_WRITE | GENERIC_READ, FILE_SHARE_WRITE | FILE_SHARE_READ,
- NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, NULL);
- if (file_handle == INVALID_HANDLE_VALUE) {
- usbi_err(ctx, "could not open device %s: %s", filter_path, windows_error_str(0));
- } else {
- WinUSBX[sub_api].Free(winusb_handle);
- if (WinUSBX[sub_api].Initialize(file_handle, &winusb_handle))
- found_filter = true;
- else
- usbi_err(ctx, "could not initialize filter driver for %s", filter_path);
- }
- }
- }
- if (!found_filter) {
- usbi_err(ctx, "could not access interface %d: %s", iface, windows_error_str(err));
- return LIBUSB_ERROR_ACCESS;
- }
- }
- }
- handle_priv->interface_handle[iface].api_handle = winusb_handle;
- } else {
- // For all other interfaces, use GetAssociatedInterface()
- winusb_handle = handle_priv->interface_handle[0].api_handle;
- // It is a requirement for multiple interface devices on Windows that, to you
- // must first claim the first interface before you claim the others
- if ((winusb_handle == 0) || (winusb_handle == INVALID_HANDLE_VALUE)) {
- file_handle = handle_priv->interface_handle[0].dev_handle;
- if (WinUSBX[sub_api].Initialize(file_handle, &winusb_handle)) {
- handle_priv->interface_handle[0].api_handle = winusb_handle;
- usbi_warn(ctx, "auto-claimed interface 0 (required to claim %d with WinUSB)", iface);
- } else {
- usbi_warn(ctx, "failed to auto-claim interface 0 (required to claim %d with WinUSB): %s", iface, windows_error_str(0));
- return LIBUSB_ERROR_ACCESS;
- }
- }
- if (!WinUSBX[sub_api].GetAssociatedInterface(winusb_handle, (UCHAR)(iface-1),
- &handle_priv->interface_handle[iface].api_handle)) {
- handle_priv->interface_handle[iface].api_handle = INVALID_HANDLE_VALUE;
- switch(GetLastError()) {
- case ERROR_NO_MORE_ITEMS: // invalid iface
- return LIBUSB_ERROR_NOT_FOUND;
- case ERROR_BAD_COMMAND: // The device was disconnected
- return LIBUSB_ERROR_NO_DEVICE;
- case ERROR_ALREADY_EXISTS: // already claimed
- return LIBUSB_ERROR_BUSY;
- default:
- usbi_err(ctx, "could not claim interface %d: %s", iface, windows_error_str(0));
- return LIBUSB_ERROR_ACCESS;
- }
- }
- }
- usbi_dbg("claimed interface %d", iface);
- handle_priv->active_interface = iface;
-
- return LIBUSB_SUCCESS;
-}
-
-static int winusbx_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface)
-{
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- HANDLE winusb_handle;
-
- CHECK_WINUSBX_AVAILABLE(sub_api);
-
- winusb_handle = handle_priv->interface_handle[iface].api_handle;
- if ((winusb_handle == 0) || (winusb_handle == INVALID_HANDLE_VALUE)) {
- return LIBUSB_ERROR_NOT_FOUND;
- }
-
- WinUSBX[sub_api].Free(winusb_handle);
- handle_priv->interface_handle[iface].api_handle = INVALID_HANDLE_VALUE;
-
- return LIBUSB_SUCCESS;
-}
-
-/*
- * Return the first valid interface (of the same API type), for control transfers
- */
-static int get_valid_interface(struct libusb_device_handle *dev_handle, int api_id)
-{
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- int i;
-
- if ((api_id < USB_API_WINUSBX) || (api_id > USB_API_HID)) {
- usbi_dbg("unsupported API ID");
- return -1;
- }
-
- for (i=0; i<USB_MAXINTERFACES; i++) {
- if ( (handle_priv->interface_handle[i].dev_handle != 0)
- && (handle_priv->interface_handle[i].dev_handle != INVALID_HANDLE_VALUE)
- && (handle_priv->interface_handle[i].api_handle != 0)
- && (handle_priv->interface_handle[i].api_handle != INVALID_HANDLE_VALUE)
- && (priv->usb_interface[i].apib->id == api_id) ) {
- return i;
- }
- }
- return -1;
-}
-
-/*
- * Lookup interface by endpoint address. -1 if not found
- */
-static int interface_by_endpoint(struct windows_device_priv *priv,
- struct windows_device_handle_priv *handle_priv, uint8_t endpoint_address)
-{
- int i, j;
- for (i=0; i<USB_MAXINTERFACES; i++) {
- if (handle_priv->interface_handle[i].api_handle == INVALID_HANDLE_VALUE)
- continue;
- if (handle_priv->interface_handle[i].api_handle == 0)
- continue;
- if (priv->usb_interface[i].endpoint == NULL)
- continue;
- for (j=0; j<priv->usb_interface[i].nb_endpoints; j++) {
- if (priv->usb_interface[i].endpoint[j] == endpoint_address) {
- return i;
- }
- }
- }
- return -1;
-}
-
-static int winusbx_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
- struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(
- transfer->dev_handle);
- WINUSB_SETUP_PACKET *setup = (WINUSB_SETUP_PACKET *) transfer->buffer;
- ULONG size;
- HANDLE winusb_handle;
- int current_interface;
- struct winfd wfd;
-
- CHECK_WINUSBX_AVAILABLE(sub_api);
-
- transfer_priv->pollable_fd = INVALID_WINFD;
- size = transfer->length - LIBUSB_CONTROL_SETUP_SIZE;
-
- if (size > MAX_CTRL_BUFFER_LENGTH)
- return LIBUSB_ERROR_INVALID_PARAM;
-
- current_interface = get_valid_interface(transfer->dev_handle, USB_API_WINUSBX);
- if (current_interface < 0) {
- if (auto_claim(transfer, ¤t_interface, USB_API_WINUSBX) != LIBUSB_SUCCESS) {
- return LIBUSB_ERROR_NOT_FOUND;
- }
- }
-
- usbi_dbg("will use interface %d", current_interface);
- winusb_handle = handle_priv->interface_handle[current_interface].api_handle;
-
- wfd = usbi_create_fd(winusb_handle, RW_READ, NULL, NULL);
- // Always use the handle returned from usbi_create_fd (wfd.handle)
- if (wfd.fd < 0) {
- return LIBUSB_ERROR_NO_MEM;
- }
-
- // Sending of set configuration control requests from WinUSB creates issues
- if ( ((setup->request_type & (0x03 << 5)) == LIBUSB_REQUEST_TYPE_STANDARD)
- && (setup->request == LIBUSB_REQUEST_SET_CONFIGURATION) ) {
- if (setup->value != priv->active_config) {
- usbi_warn(ctx, "cannot set configuration other than the default one");
- usbi_free_fd(&wfd);
- return LIBUSB_ERROR_INVALID_PARAM;
- }
- wfd.overlapped->Internal = STATUS_COMPLETED_SYNCHRONOUSLY;
- wfd.overlapped->InternalHigh = 0;
- } else {
- if (!WinUSBX[sub_api].ControlTransfer(wfd.handle, *setup, transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE, size, NULL, wfd.overlapped)) {
- if(GetLastError() != ERROR_IO_PENDING) {
- usbi_warn(ctx, "ControlTransfer failed: %s", windows_error_str(0));
- usbi_free_fd(&wfd);
- return LIBUSB_ERROR_IO;
- }
- } else {
- wfd.overlapped->Internal = STATUS_COMPLETED_SYNCHRONOUSLY;
- wfd.overlapped->InternalHigh = (DWORD)size;
- }
- }
-
- // Use priv_transfer to store data needed for async polling
- transfer_priv->pollable_fd = wfd;
- transfer_priv->interface_number = (uint8_t)current_interface;
-
- return LIBUSB_SUCCESS;
-}
-
-static int winusbx_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting)
-{
- struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- HANDLE winusb_handle;
-
- CHECK_WINUSBX_AVAILABLE(sub_api);
-
- if (altsetting > 255) {
- return LIBUSB_ERROR_INVALID_PARAM;
- }
-
- winusb_handle = handle_priv->interface_handle[iface].api_handle;
- if ((winusb_handle == 0) || (winusb_handle == INVALID_HANDLE_VALUE)) {
- usbi_err(ctx, "interface must be claimed first");
- return LIBUSB_ERROR_NOT_FOUND;
- }
-
- if (!WinUSBX[sub_api].SetCurrentAlternateSetting(winusb_handle, (UCHAR)altsetting)) {
- usbi_err(ctx, "SetCurrentAlternateSetting failed: %s", windows_error_str(0));
- return LIBUSB_ERROR_IO;
- }
-
- return LIBUSB_SUCCESS;
-}
-
-static int winusbx_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
- struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(transfer->dev_handle);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
- HANDLE winusb_handle;
- bool ret;
- int current_interface;
- struct winfd wfd;
-
- CHECK_WINUSBX_AVAILABLE(sub_api);
-
- transfer_priv->pollable_fd = INVALID_WINFD;
-
- current_interface = interface_by_endpoint(priv, handle_priv, transfer->endpoint);
- if (current_interface < 0) {
- usbi_err(ctx, "unable to match endpoint to an open interface - cancelling transfer");
- return LIBUSB_ERROR_NOT_FOUND;
- }
-
- usbi_dbg("matched endpoint %02X with interface %d", transfer->endpoint, current_interface);
-
- winusb_handle = handle_priv->interface_handle[current_interface].api_handle;
-
- wfd = usbi_create_fd(winusb_handle, IS_XFERIN(transfer) ? RW_READ : RW_WRITE, NULL, NULL);
- // Always use the handle returned from usbi_create_fd (wfd.handle)
- if (wfd.fd < 0) {
- return LIBUSB_ERROR_NO_MEM;
- }
-
- if (IS_XFERIN(transfer)) {
- usbi_dbg("reading %d bytes", transfer->length);
- ret = WinUSBX[sub_api].ReadPipe(wfd.handle, transfer->endpoint, transfer->buffer, transfer->length, NULL, wfd.overlapped);
- } else {
- usbi_dbg("writing %d bytes", transfer->length);
- ret = WinUSBX[sub_api].WritePipe(wfd.handle, transfer->endpoint, transfer->buffer, transfer->length, NULL, wfd.overlapped);
- }
- if (!ret) {
- if(GetLastError() != ERROR_IO_PENDING) {
- usbi_err(ctx, "ReadPipe/WritePipe failed: %s", windows_error_str(0));
- usbi_free_fd(&wfd);
- return LIBUSB_ERROR_IO;
- }
- } else {
- wfd.overlapped->Internal = STATUS_COMPLETED_SYNCHRONOUSLY;
- wfd.overlapped->InternalHigh = (DWORD)transfer->length;
- }
-
- transfer_priv->pollable_fd = wfd;
- transfer_priv->interface_number = (uint8_t)current_interface;
-
- return LIBUSB_SUCCESS;
-}
-
-static int winusbx_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint)
-{
- struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- HANDLE winusb_handle;
- int current_interface;
-
- CHECK_WINUSBX_AVAILABLE(sub_api);
-
- current_interface = interface_by_endpoint(priv, handle_priv, endpoint);
- if (current_interface < 0) {
- usbi_err(ctx, "unable to match endpoint to an open interface - cannot clear");
- return LIBUSB_ERROR_NOT_FOUND;
- }
-
- usbi_dbg("matched endpoint %02X with interface %d", endpoint, current_interface);
- winusb_handle = handle_priv->interface_handle[current_interface].api_handle;
-
- if (!WinUSBX[sub_api].ResetPipe(winusb_handle, endpoint)) {
- usbi_err(ctx, "ResetPipe failed: %s", windows_error_str(0));
- return LIBUSB_ERROR_NO_DEVICE;
- }
-
- return LIBUSB_SUCCESS;
-}
-
-/*
- * from http://www.winvistatips.com/winusb-bugchecks-t335323.html (confirmed
- * through testing as well):
- * "You can not call WinUsb_AbortPipe on control pipe. You can possibly cancel
- * the control transfer using CancelIo"
- */
-static int winusbx_abort_control(int sub_api, struct usbi_transfer *itransfer)
-{
- // Cancelling of the I/O is done in the parent
- return LIBUSB_SUCCESS;
-}
-
-static int winusbx_abort_transfers(int sub_api, struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(transfer->dev_handle);
- struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
- HANDLE winusb_handle;
- int current_interface;
-
- CHECK_WINUSBX_AVAILABLE(sub_api);
-
- current_interface = transfer_priv->interface_number;
- if ((current_interface < 0) || (current_interface >= USB_MAXINTERFACES)) {
- usbi_err(ctx, "program assertion failed: invalid interface_number");
- return LIBUSB_ERROR_NOT_FOUND;
- }
- usbi_dbg("will use interface %d", current_interface);
-
- winusb_handle = handle_priv->interface_handle[current_interface].api_handle;
-
- if (!WinUSBX[sub_api].AbortPipe(winusb_handle, transfer->endpoint)) {
- usbi_err(ctx, "AbortPipe failed: %s", windows_error_str(0));
- return LIBUSB_ERROR_NO_DEVICE;
- }
-
- return LIBUSB_SUCCESS;
-}
-
-/*
- * from the "How to Use WinUSB to Communicate with a USB Device" Microsoft white paper
- * (http://www.microsoft.com/whdc/connect/usb/winusb_howto.mspx):
- * "WinUSB does not support host-initiated reset port and cycle port operations" and
- * IOCTL_INTERNAL_USB_CYCLE_PORT is only available in kernel mode and the
- * IOCTL_USB_HUB_CYCLE_PORT ioctl was removed from Vista => the best we can do is
- * cycle the pipes (and even then, the control pipe can not be reset using WinUSB)
- */
-// TODO: (post hotplug): see if we can force eject the device and redetect it (reuse hotplug?)
-static int winusbx_reset_device(int sub_api, struct libusb_device_handle *dev_handle)
-{
- struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- struct winfd wfd;
- HANDLE winusb_handle;
- int i, j;
-
- CHECK_WINUSBX_AVAILABLE(sub_api);
-
- // Reset any available pipe (except control)
- for (i=0; i<USB_MAXINTERFACES; i++) {
- winusb_handle = handle_priv->interface_handle[i].api_handle;
- for (wfd = handle_to_winfd(winusb_handle); wfd.fd > 0;)
- {
- // Cancel any pollable I/O
- usbi_remove_pollfd(ctx, wfd.fd);
- usbi_free_fd(&wfd);
- wfd = handle_to_winfd(winusb_handle);
- }
-
- if ( (winusb_handle != 0) && (winusb_handle != INVALID_HANDLE_VALUE)) {
- for (j=0; j<priv->usb_interface[i].nb_endpoints; j++) {
- usbi_dbg("resetting ep %02X", priv->usb_interface[i].endpoint[j]);
- if (!WinUSBX[sub_api].AbortPipe(winusb_handle, priv->usb_interface[i].endpoint[j])) {
- usbi_err(ctx, "AbortPipe (pipe address %02X) failed: %s",
- priv->usb_interface[i].endpoint[j], windows_error_str(0));
- }
- // FlushPipe seems to fail on OUT pipes
- if (IS_EPIN(priv->usb_interface[i].endpoint[j])
- && (!WinUSBX[sub_api].FlushPipe(winusb_handle, priv->usb_interface[i].endpoint[j])) ) {
- usbi_err(ctx, "FlushPipe (pipe address %02X) failed: %s",
- priv->usb_interface[i].endpoint[j], windows_error_str(0));
- }
- if (!WinUSBX[sub_api].ResetPipe(winusb_handle, priv->usb_interface[i].endpoint[j])) {
- usbi_err(ctx, "ResetPipe (pipe address %02X) failed: %s",
- priv->usb_interface[i].endpoint[j], windows_error_str(0));
- }
- }
- }
- }
-
- // libusbK & libusb0 have the ability to issue an actual device reset
- if (WinUSBX[sub_api].ResetDevice != NULL) {
- winusb_handle = handle_priv->interface_handle[0].api_handle;
- if ( (winusb_handle != 0) && (winusb_handle != INVALID_HANDLE_VALUE)) {
- WinUSBX[sub_api].ResetDevice(winusb_handle);
- }
- }
- return LIBUSB_SUCCESS;
-}
-
-static int winusbx_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size)
-{
- itransfer->transferred += io_size;
- return LIBUSB_TRANSFER_COMPLETED;
-}
-
-/*
- * Internal HID Support functions (from libusb-win32)
- * Note that functions that complete data transfer synchronously must return
- * LIBUSB_COMPLETED instead of LIBUSB_SUCCESS
- */
-static int _hid_get_hid_descriptor(struct hid_device_priv* dev, void *data, size_t *size);
-static int _hid_get_report_descriptor(struct hid_device_priv* dev, void *data, size_t *size);
-
-static int _hid_wcslen(WCHAR *str)
-{
- int i = 0;
- while (str[i] && (str[i] != 0x409)) {
- i++;
- }
- return i;
-}
-
-static int _hid_get_device_descriptor(struct hid_device_priv* dev, void *data, size_t *size)
-{
- struct libusb_device_descriptor d;
-
- d.bLength = LIBUSB_DT_DEVICE_SIZE;
- d.bDescriptorType = LIBUSB_DT_DEVICE;
- d.bcdUSB = 0x0200; /* 2.00 */
- d.bDeviceClass = 0;
- d.bDeviceSubClass = 0;
- d.bDeviceProtocol = 0;
- d.bMaxPacketSize0 = 64; /* fix this! */
- d.idVendor = (uint16_t)dev->vid;
- d.idProduct = (uint16_t)dev->pid;
- d.bcdDevice = 0x0100;
- d.iManufacturer = dev->string_index[0];
- d.iProduct = dev->string_index[1];
- d.iSerialNumber = dev->string_index[2];
- d.bNumConfigurations = 1;
-
- if (*size > LIBUSB_DT_DEVICE_SIZE)
- *size = LIBUSB_DT_DEVICE_SIZE;
- memcpy(data, &d, *size);
- return LIBUSB_COMPLETED;
-}
-
-static int _hid_get_config_descriptor(struct hid_device_priv* dev, void *data, size_t *size)
-{
- char num_endpoints = 0;
- size_t config_total_len = 0;
- char tmp[HID_MAX_CONFIG_DESC_SIZE];
- struct libusb_config_descriptor *cd;
- struct libusb_interface_descriptor *id;
- struct libusb_hid_descriptor *hd;
- struct libusb_endpoint_descriptor *ed;
- size_t tmp_size;
-
- if (dev->input_report_size)
- num_endpoints++;
- if (dev->output_report_size)
- num_endpoints++;
-
- config_total_len = LIBUSB_DT_CONFIG_SIZE + LIBUSB_DT_INTERFACE_SIZE
- + LIBUSB_DT_HID_SIZE + num_endpoints * LIBUSB_DT_ENDPOINT_SIZE;
-
-
- cd = (struct libusb_config_descriptor *)tmp;
- id = (struct libusb_interface_descriptor *)(tmp + LIBUSB_DT_CONFIG_SIZE);
- hd = (struct libusb_hid_descriptor *)(tmp + LIBUSB_DT_CONFIG_SIZE
- + LIBUSB_DT_INTERFACE_SIZE);
- ed = (struct libusb_endpoint_descriptor *)(tmp + LIBUSB_DT_CONFIG_SIZE
- + LIBUSB_DT_INTERFACE_SIZE
- + LIBUSB_DT_HID_SIZE);
-
- cd->bLength = LIBUSB_DT_CONFIG_SIZE;
- cd->bDescriptorType = LIBUSB_DT_CONFIG;
- cd->wTotalLength = (uint16_t) config_total_len;
- cd->bNumInterfaces = 1;
- cd->bConfigurationValue = 1;
- cd->iConfiguration = 0;
- cd->bmAttributes = 1 << 7; /* bus powered */
- cd->MaxPower = 50;
-
- id->bLength = LIBUSB_DT_INTERFACE_SIZE;
- id->bDescriptorType = LIBUSB_DT_INTERFACE;
- id->bInterfaceNumber = 0;
- id->bAlternateSetting = 0;
- id->bNumEndpoints = num_endpoints;
- id->bInterfaceClass = 3;
- id->bInterfaceSubClass = 0;
- id->bInterfaceProtocol = 0;
- id->iInterface = 0;
-
- tmp_size = LIBUSB_DT_HID_SIZE;
- _hid_get_hid_descriptor(dev, hd, &tmp_size);
-
- if (dev->input_report_size) {
- ed->bLength = LIBUSB_DT_ENDPOINT_SIZE;
- ed->bDescriptorType = LIBUSB_DT_ENDPOINT;
- ed->bEndpointAddress = HID_IN_EP;
- ed->bmAttributes = 3;
- ed->wMaxPacketSize = dev->input_report_size - 1;
- ed->bInterval = 10;
- ed = (struct libusb_endpoint_descriptor *)((char*)ed + LIBUSB_DT_ENDPOINT_SIZE);
- }
-
- if (dev->output_report_size) {
- ed->bLength = LIBUSB_DT_ENDPOINT_SIZE;
- ed->bDescriptorType = LIBUSB_DT_ENDPOINT;
- ed->bEndpointAddress = HID_OUT_EP;
- ed->bmAttributes = 3;
- ed->wMaxPacketSize = dev->output_report_size - 1;
- ed->bInterval = 10;
- }
-
- if (*size > config_total_len)
- *size = config_total_len;
- memcpy(data, tmp, *size);
- return LIBUSB_COMPLETED;
-}
-
-static int _hid_get_string_descriptor(struct hid_device_priv* dev, int _index,
- void *data, size_t *size)
-{
- void *tmp = NULL;
- size_t tmp_size = 0;
- int i;
-
- /* language ID, EN-US */
- char string_langid[] = {
- 0x09,
- 0x04
- };
-
- if ((*size < 2) || (*size > 255)) {
- return LIBUSB_ERROR_OVERFLOW;
- }
-
- if (_index == 0) {
- tmp = string_langid;
- tmp_size = sizeof(string_langid)+2;
- } else {
- for (i=0; i<3; i++) {
- if (_index == (dev->string_index[i])) {
- tmp = dev->string[i];
- tmp_size = (_hid_wcslen(dev->string[i])+1) * sizeof(WCHAR);
- break;
- }
- }
- if (i == 3) { // not found
- return LIBUSB_ERROR_INVALID_PARAM;
- }
- }
-
- if(!tmp_size) {
- return LIBUSB_ERROR_INVALID_PARAM;
- }
-
- if (tmp_size < *size) {
- *size = tmp_size;
- }
- // 2 byte header
- ((uint8_t*)data)[0] = (uint8_t)*size;
- ((uint8_t*)data)[1] = LIBUSB_DT_STRING;
- memcpy((uint8_t*)data+2, tmp, *size-2);
- return LIBUSB_COMPLETED;
-}
-
-static int _hid_get_hid_descriptor(struct hid_device_priv* dev, void *data, size_t *size)
-{
- struct libusb_hid_descriptor d;
- uint8_t tmp[MAX_HID_DESCRIPTOR_SIZE];
- size_t report_len = MAX_HID_DESCRIPTOR_SIZE;
-
- _hid_get_report_descriptor(dev, tmp, &report_len);
-
- d.bLength = LIBUSB_DT_HID_SIZE;
- d.bDescriptorType = LIBUSB_DT_HID;
- d.bcdHID = 0x0110; /* 1.10 */
- d.bCountryCode = 0;
- d.bNumDescriptors = 1;
- d.bClassDescriptorType = LIBUSB_DT_REPORT;
- d.wClassDescriptorLength = (uint16_t)report_len;
-
- if (*size > LIBUSB_DT_HID_SIZE)
- *size = LIBUSB_DT_HID_SIZE;
- memcpy(data, &d, *size);
- return LIBUSB_COMPLETED;
-}
-
-static int _hid_get_report_descriptor(struct hid_device_priv* dev, void *data, size_t *size)
-{
- uint8_t d[MAX_HID_DESCRIPTOR_SIZE];
- size_t i = 0;
-
- /* usage page (0xFFA0 == vendor defined) */
- d[i++] = 0x06; d[i++] = 0xA0; d[i++] = 0xFF;
- /* usage (vendor defined) */
- d[i++] = 0x09; d[i++] = 0x01;
- /* start collection (application) */
- d[i++] = 0xA1; d[i++] = 0x01;
- /* input report */
- if (dev->input_report_size) {
- /* usage (vendor defined) */
- d[i++] = 0x09; d[i++] = 0x01;
- /* logical minimum (0) */
- d[i++] = 0x15; d[i++] = 0x00;
- /* logical maximum (255) */
- d[i++] = 0x25; d[i++] = 0xFF;
- /* report size (8 bits) */
- d[i++] = 0x75; d[i++] = 0x08;
- /* report count */
- d[i++] = 0x95; d[i++] = (uint8_t)dev->input_report_size - 1;
- /* input (data, variable, absolute) */
- d[i++] = 0x81; d[i++] = 0x00;
- }
- /* output report */
- if (dev->output_report_size) {
- /* usage (vendor defined) */
- d[i++] = 0x09; d[i++] = 0x02;
- /* logical minimum (0) */
- d[i++] = 0x15; d[i++] = 0x00;
- /* logical maximum (255) */
- d[i++] = 0x25; d[i++] = 0xFF;
- /* report size (8 bits) */
- d[i++] = 0x75; d[i++] = 0x08;
- /* report count */
- d[i++] = 0x95; d[i++] = (uint8_t)dev->output_report_size - 1;
- /* output (data, variable, absolute) */
- d[i++] = 0x91; d[i++] = 0x00;
- }
- /* feature report */
- if (dev->feature_report_size) {
- /* usage (vendor defined) */
- d[i++] = 0x09; d[i++] = 0x03;
- /* logical minimum (0) */
- d[i++] = 0x15; d[i++] = 0x00;
- /* logical maximum (255) */
- d[i++] = 0x25; d[i++] = 0xFF;
- /* report size (8 bits) */
- d[i++] = 0x75; d[i++] = 0x08;
- /* report count */
- d[i++] = 0x95; d[i++] = (uint8_t)dev->feature_report_size - 1;
- /* feature (data, variable, absolute) */
- d[i++] = 0xb2; d[i++] = 0x02; d[i++] = 0x01;
- }
-
- /* end collection */
- d[i++] = 0xC0;
-
- if (*size > i)
- *size = i;
- memcpy(data, d, *size);
- return LIBUSB_COMPLETED;
-}
-
-static int _hid_get_descriptor(struct hid_device_priv* dev, HANDLE hid_handle, int recipient,
- int type, int _index, void *data, size_t *size)
-{
- switch(type) {
- case LIBUSB_DT_DEVICE:
- usbi_dbg("LIBUSB_DT_DEVICE");
- return _hid_get_device_descriptor(dev, data, size);
- case LIBUSB_DT_CONFIG:
- usbi_dbg("LIBUSB_DT_CONFIG");
- if (!_index)
- return _hid_get_config_descriptor(dev, data, size);
- return LIBUSB_ERROR_INVALID_PARAM;
- case LIBUSB_DT_STRING:
- usbi_dbg("LIBUSB_DT_STRING");
- return _hid_get_string_descriptor(dev, _index, data, size);
- case LIBUSB_DT_HID:
- usbi_dbg("LIBUSB_DT_HID");
- if (!_index)
- return _hid_get_hid_descriptor(dev, data, size);
- return LIBUSB_ERROR_INVALID_PARAM;
- case LIBUSB_DT_REPORT:
- usbi_dbg("LIBUSB_DT_REPORT");
- if (!_index)
- return _hid_get_report_descriptor(dev, data, size);
- return LIBUSB_ERROR_INVALID_PARAM;
- case LIBUSB_DT_PHYSICAL:
- usbi_dbg("LIBUSB_DT_PHYSICAL");
- if (HidD_GetPhysicalDescriptor(hid_handle, data, (ULONG)*size))
- return LIBUSB_COMPLETED;
- return LIBUSB_ERROR_OTHER;
- }
- usbi_dbg("unsupported");
- return LIBUSB_ERROR_NOT_SUPPORTED;
-}
-
-static int _hid_get_report(struct hid_device_priv* dev, HANDLE hid_handle, int id, void *data,
- struct windows_transfer_priv *tp, size_t *size, OVERLAPPED* overlapped,
- int report_type)
-{
- uint8_t *buf;
- DWORD ioctl_code, read_size, expected_size = (DWORD)*size;
- int r = LIBUSB_SUCCESS;
-
- if (tp->hid_buffer != NULL) {
- usbi_dbg("program assertion failed: hid_buffer is not NULL");
- }
-
- if ((*size == 0) || (*size > MAX_HID_REPORT_SIZE)) {
- usbi_dbg("invalid size (%u)", *size);
- return LIBUSB_ERROR_INVALID_PARAM;
- }
-
- switch (report_type) {
- case HID_REPORT_TYPE_INPUT:
- ioctl_code = IOCTL_HID_GET_INPUT_REPORT;
- break;
- case HID_REPORT_TYPE_FEATURE:
- ioctl_code = IOCTL_HID_GET_FEATURE;
- break;
- default:
- usbi_dbg("unknown HID report type %d", report_type);
- return LIBUSB_ERROR_INVALID_PARAM;
- }
-
- // Add a trailing byte to detect overflows
- buf = (uint8_t*)calloc(expected_size+1, 1);
- if (buf == NULL) {
- return LIBUSB_ERROR_NO_MEM;
- }
- buf[0] = (uint8_t)id; // Must be set always
- usbi_dbg("report ID: 0x%02X", buf[0]);
-
- tp->hid_expected_size = expected_size;
- read_size = expected_size;
-
- // NB: The size returned by DeviceIoControl doesn't include report IDs when not in use (0)
- if (!DeviceIoControl(hid_handle, ioctl_code, buf, expected_size+1,
- buf, expected_size+1, &read_size, overlapped)) {
- if (GetLastError() != ERROR_IO_PENDING) {
- usbi_dbg("Failed to Read HID Report: %s", windows_error_str(0));
- safe_free(buf);
- return LIBUSB_ERROR_IO;
- }
- // Asynchronous wait
- tp->hid_buffer = buf;
- tp->hid_dest = (uint8_t*)data; // copy dest, as not necessarily the start of the transfer buffer
- return LIBUSB_SUCCESS;
- }
-
- // Transfer completed synchronously => copy and discard extra buffer
- if (read_size == 0) {
- usbi_warn(NULL, "program assertion failed - read completed synchronously, but no data was read");
- *size = 0;
- } else {
- if (buf[0] != id) {
- usbi_warn(NULL, "mismatched report ID (data is %02X, parameter is %02X)", buf[0], id);
- }
- if ((size_t)read_size > expected_size) {
- r = LIBUSB_ERROR_OVERFLOW;
- usbi_dbg("OVERFLOW!");
- } else {
- r = LIBUSB_COMPLETED;
- }
-
- *size = MIN((size_t)read_size, *size);
- if (id == 0) {
- // Discard report ID
- memcpy(data, buf+1, *size);
- } else {
- memcpy(data, buf, *size);
- }
- }
- safe_free(buf);
- return r;
-}
-
-static int _hid_set_report(struct hid_device_priv* dev, HANDLE hid_handle, int id, void *data,
- struct windows_transfer_priv *tp, size_t *size, OVERLAPPED* overlapped,
- int report_type)
-{
- uint8_t *buf = NULL;
- DWORD ioctl_code, write_size= (DWORD)*size;
-
- if (tp->hid_buffer != NULL) {
- usbi_dbg("program assertion failed: hid_buffer is not NULL");
- }
-
- if ((*size == 0) || (*size > MAX_HID_REPORT_SIZE)) {
- usbi_dbg("invalid size (%u)", *size);
- return LIBUSB_ERROR_INVALID_PARAM;
- }
-
- switch (report_type) {
- case HID_REPORT_TYPE_OUTPUT:
- ioctl_code = IOCTL_HID_SET_OUTPUT_REPORT;
- break;
- case HID_REPORT_TYPE_FEATURE:
- ioctl_code = IOCTL_HID_SET_FEATURE;
- break;
- default:
- usbi_dbg("unknown HID report type %d", report_type);
- return LIBUSB_ERROR_INVALID_PARAM;
- }
-
- usbi_dbg("report ID: 0x%02X", id);
- // When report IDs are not used (i.e. when id == 0), we must add
- // a null report ID. Otherwise, we just use original data buffer
- if (id == 0) {
- write_size++;
- }
- buf = (uint8_t*) malloc(write_size);
- if (buf == NULL) {
- return LIBUSB_ERROR_NO_MEM;
- }
- if (id == 0) {
- buf[0] = 0;
- memcpy(buf + 1, data, *size);
- } else {
- // This seems like a waste, but if we don't duplicate the
- // data, we'll get issues when freeing hid_buffer
- memcpy(buf, data, *size);
- if (buf[0] != id) {
- usbi_warn(NULL, "mismatched report ID (data is %02X, parameter is %02X)", buf[0], id);
- }
- }
-
- // NB: The size returned by DeviceIoControl doesn't include report IDs when not in use (0)
- if (!DeviceIoControl(hid_handle, ioctl_code, buf, write_size,
- buf, write_size, &write_size, overlapped)) {
- if (GetLastError() != ERROR_IO_PENDING) {
- usbi_dbg("Failed to Write HID Output Report: %s", windows_error_str(0));
- safe_free(buf);
- return LIBUSB_ERROR_IO;
- }
- tp->hid_buffer = buf;
- tp->hid_dest = NULL;
- return LIBUSB_SUCCESS;
- }
-
- // Transfer completed synchronously
- *size = write_size;
- if (write_size == 0) {
- usbi_dbg("program assertion failed - write completed synchronously, but no data was written");
- }
- safe_free(buf);
- return LIBUSB_COMPLETED;
-}
-
-static int _hid_class_request(struct hid_device_priv* dev, HANDLE hid_handle, int request_type,
- int request, int value, int _index, void *data, struct windows_transfer_priv *tp,
- size_t *size, OVERLAPPED* overlapped)
-{
- int report_type = (value >> 8) & 0xFF;
- int report_id = value & 0xFF;
-
- if ( (LIBUSB_REQ_RECIPIENT(request_type) != LIBUSB_RECIPIENT_INTERFACE)
- && (LIBUSB_REQ_RECIPIENT(request_type) != LIBUSB_RECIPIENT_DEVICE) )
- return LIBUSB_ERROR_INVALID_PARAM;
-
- if (LIBUSB_REQ_OUT(request_type) && request == HID_REQ_SET_REPORT)
- return _hid_set_report(dev, hid_handle, report_id, data, tp, size, overlapped, report_type);
-
- if (LIBUSB_REQ_IN(request_type) && request == HID_REQ_GET_REPORT)
- return _hid_get_report(dev, hid_handle, report_id, data, tp, size, overlapped, report_type);
-
- return LIBUSB_ERROR_INVALID_PARAM;
-}
-
-
-/*
- * HID API functions
- */
-static int hid_init(int sub_api, struct libusb_context *ctx)
-{
- DLL_LOAD(hid.dll, HidD_GetAttributes, TRUE);
- DLL_LOAD(hid.dll, HidD_GetHidGuid, TRUE);
- DLL_LOAD(hid.dll, HidD_GetPreparsedData, TRUE);
- DLL_LOAD(hid.dll, HidD_FreePreparsedData, TRUE);
- DLL_LOAD(hid.dll, HidD_GetManufacturerString, TRUE);
- DLL_LOAD(hid.dll, HidD_GetProductString, TRUE);
- DLL_LOAD(hid.dll, HidD_GetSerialNumberString, TRUE);
- DLL_LOAD(hid.dll, HidP_GetCaps, TRUE);
- DLL_LOAD(hid.dll, HidD_SetNumInputBuffers, TRUE);
- DLL_LOAD(hid.dll, HidD_SetFeature, TRUE);
- DLL_LOAD(hid.dll, HidD_GetFeature, TRUE);
- DLL_LOAD(hid.dll, HidD_GetPhysicalDescriptor, TRUE);
- DLL_LOAD(hid.dll, HidD_GetInputReport, FALSE);
- DLL_LOAD(hid.dll, HidD_SetOutputReport, FALSE);
- DLL_LOAD(hid.dll, HidD_FlushQueue, TRUE);
- DLL_LOAD(hid.dll, HidP_GetValueCaps, TRUE);
-
- api_hid_available = true;
- return LIBUSB_SUCCESS;
-}
-
-static int hid_exit(int sub_api)
-{
- return LIBUSB_SUCCESS;
-}
-
-// NB: open and close must ensure that they only handle interface of
-// the right API type, as these functions can be called wholesale from
-// composite_open(), with interfaces belonging to different APIs
-static int hid_open(int sub_api, struct libusb_device_handle *dev_handle)
-{
- struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
-
- HIDD_ATTRIBUTES hid_attributes;
- PHIDP_PREPARSED_DATA preparsed_data = NULL;
- HIDP_CAPS capabilities;
- HIDP_VALUE_CAPS *value_caps;
-
- HANDLE hid_handle = INVALID_HANDLE_VALUE;
- int i, j;
- // report IDs handling
- ULONG size[3];
- const char* type[3] = {"input", "output", "feature"};
- int nb_ids[2]; // zero and nonzero report IDs
-
- CHECK_HID_AVAILABLE;
- if (priv->hid == NULL) {
- usbi_err(ctx, "program assertion failed - private HID structure is unitialized");
- return LIBUSB_ERROR_NOT_FOUND;
- }
-
- for (i = 0; i < USB_MAXINTERFACES; i++) {
- if ( (priv->usb_interface[i].path != NULL)
- && (priv->usb_interface[i].apib->id == USB_API_HID) ) {
- hid_handle = CreateFileA(priv->usb_interface[i].path, GENERIC_WRITE | GENERIC_READ, FILE_SHARE_WRITE | FILE_SHARE_READ,
- NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, NULL);
- /*
- * http://www.lvr.com/hidfaq.htm: Why do I receive "Access denied" when attempting to access my HID?
- * "Windows 2000 and later have exclusive read/write access to HIDs that are configured as a system
- * keyboards or mice. An application can obtain a handle to a system keyboard or mouse by not
- * requesting READ or WRITE access with CreateFile. Applications can then use HidD_SetFeature and
- * HidD_GetFeature (if the device supports Feature reports)."
- */
- if (hid_handle == INVALID_HANDLE_VALUE) {
- usbi_warn(ctx, "could not open HID device in R/W mode (keyboard or mouse?) - trying without");
- hid_handle = CreateFileA(priv->usb_interface[i].path, 0, FILE_SHARE_WRITE | FILE_SHARE_READ,
- NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, NULL);
- if (hid_handle == INVALID_HANDLE_VALUE) {
- usbi_err(ctx, "could not open device %s (interface %d): %s", priv->path, i, windows_error_str(0));
- switch(GetLastError()) {
- case ERROR_FILE_NOT_FOUND: // The device was disconnected
- return LIBUSB_ERROR_NO_DEVICE;
- case ERROR_ACCESS_DENIED:
- return LIBUSB_ERROR_ACCESS;
- default:
- return LIBUSB_ERROR_IO;
- }
- }
- priv->usb_interface[i].restricted_functionality = true;
- }
- handle_priv->interface_handle[i].api_handle = hid_handle;
- }
- }
-
- hid_attributes.Size = sizeof(hid_attributes);
- do {
- if (!HidD_GetAttributes(hid_handle, &hid_attributes)) {
- usbi_err(ctx, "could not gain access to HID top collection (HidD_GetAttributes)");
- break;
- }
-
- priv->hid->vid = hid_attributes.VendorID;
- priv->hid->pid = hid_attributes.ProductID;
-
- // Set the maximum available input buffer size
- for (i=32; HidD_SetNumInputBuffers(hid_handle, i); i*=2);
- usbi_dbg("set maximum input buffer size to %d", i/2);
-
- // Get the maximum input and output report size
- if (!HidD_GetPreparsedData(hid_handle, &preparsed_data) || !preparsed_data) {
- usbi_err(ctx, "could not read HID preparsed data (HidD_GetPreparsedData)");
- break;
- }
- if (HidP_GetCaps(preparsed_data, &capabilities) != HIDP_STATUS_SUCCESS) {
- usbi_err(ctx, "could not parse HID capabilities (HidP_GetCaps)");
- break;
- }
-
- // Find out if interrupt will need report IDs
- size[0] = capabilities.NumberInputValueCaps;
- size[1] = capabilities.NumberOutputValueCaps;
- size[2] = capabilities.NumberFeatureValueCaps;
- for (j=HidP_Input; j<=HidP_Feature; j++) {
- usbi_dbg("%u HID %s report value(s) found", (unsigned int)size[j], type[j]);
- priv->hid->uses_report_ids[j] = false;
- if (size[j] > 0) {
- value_caps = (HIDP_VALUE_CAPS*) calloc(size[j], sizeof(HIDP_VALUE_CAPS));
- if ( (value_caps != NULL)
- && (HidP_GetValueCaps((HIDP_REPORT_TYPE)j, value_caps, &size[j], preparsed_data) == HIDP_STATUS_SUCCESS)
- && (size[j] >= 1) ) {
- nb_ids[0] = 0;
- nb_ids[1] = 0;
- for (i=0; i<(int)size[j]; i++) {
- usbi_dbg(" Report ID: 0x%02X", value_caps[i].ReportID);
- if (value_caps[i].ReportID != 0) {
- nb_ids[1]++;
- } else {
- nb_ids[0]++;
- }
- }
- if (nb_ids[1] != 0) {
- if (nb_ids[0] != 0) {
- usbi_warn(ctx, "program assertion failed: zero and nonzero report IDs used for %s",
- type[j]);
- }
- priv->hid->uses_report_ids[j] = true;
- }
- } else {
- usbi_warn(ctx, " could not process %s report IDs", type[j]);
- }
- safe_free(value_caps);
- }
- }
-
- // Set the report sizes
- priv->hid->input_report_size = capabilities.InputReportByteLength;
- priv->hid->output_report_size = capabilities.OutputReportByteLength;
- priv->hid->feature_report_size = capabilities.FeatureReportByteLength;
-
- // Fetch string descriptors
- priv->hid->string_index[0] = priv->dev_descriptor.iManufacturer;
- if (priv->hid->string_index[0] != 0) {
- HidD_GetManufacturerString(hid_handle, priv->hid->string[0],
- sizeof(priv->hid->string[0]));
- } else {
- priv->hid->string[0][0] = 0;
- }
- priv->hid->string_index[1] = priv->dev_descriptor.iProduct;
- if (priv->hid->string_index[1] != 0) {
- HidD_GetProductString(hid_handle, priv->hid->string[1],
- sizeof(priv->hid->string[1]));
- } else {
- priv->hid->string[1][0] = 0;
- }
- priv->hid->string_index[2] = priv->dev_descriptor.iSerialNumber;
- if (priv->hid->string_index[2] != 0) {
- HidD_GetSerialNumberString(hid_handle, priv->hid->string[2],
- sizeof(priv->hid->string[2]));
- } else {
- priv->hid->string[2][0] = 0;
- }
- } while(0);
-
- if (preparsed_data) {
- HidD_FreePreparsedData(preparsed_data);
- }
-
- return LIBUSB_SUCCESS;
-}
-
-static void hid_close(int sub_api, struct libusb_device_handle *dev_handle)
-{
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
- HANDLE file_handle;
- int i;
-
- if (!api_hid_available)
- return;
-
- for (i = 0; i < USB_MAXINTERFACES; i++) {
- if (priv->usb_interface[i].apib->id == USB_API_HID) {
- file_handle = handle_priv->interface_handle[i].api_handle;
- if ( (file_handle != 0) && (file_handle != INVALID_HANDLE_VALUE)) {
- CloseHandle(file_handle);
- }
- }
- }
-}
-
-static int hid_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface)
-{
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
-
- CHECK_HID_AVAILABLE;
-
- // NB: Disconnection detection is not possible in this function
- if (priv->usb_interface[iface].path == NULL) {
- return LIBUSB_ERROR_NOT_FOUND; // invalid iface
- }
-
- // We use dev_handle as a flag for interface claimed
- if (handle_priv->interface_handle[iface].dev_handle == INTERFACE_CLAIMED) {
- return LIBUSB_ERROR_BUSY; // already claimed
- }
-
- handle_priv->interface_handle[iface].dev_handle = INTERFACE_CLAIMED;
-
- usbi_dbg("claimed interface %d", iface);
- handle_priv->active_interface = iface;
-
- return LIBUSB_SUCCESS;
-}
-
-static int hid_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface)
-{
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
-
- CHECK_HID_AVAILABLE;
-
- if (priv->usb_interface[iface].path == NULL) {
- return LIBUSB_ERROR_NOT_FOUND; // invalid iface
- }
-
- if (handle_priv->interface_handle[iface].dev_handle != INTERFACE_CLAIMED) {
- return LIBUSB_ERROR_NOT_FOUND; // invalid iface
- }
-
- handle_priv->interface_handle[iface].dev_handle = INVALID_HANDLE_VALUE;
-
- return LIBUSB_SUCCESS;
-}
-
-static int hid_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting)
-{
- struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
-
- CHECK_HID_AVAILABLE;
-
- if (altsetting > 255) {
- return LIBUSB_ERROR_INVALID_PARAM;
- }
-
- if (altsetting != 0) {
- usbi_err(ctx, "set interface altsetting not supported for altsetting >0");
- return LIBUSB_ERROR_NOT_SUPPORTED;
- }
-
- return LIBUSB_SUCCESS;
-}
-
-static int hid_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(transfer->dev_handle);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
- struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
- WINUSB_SETUP_PACKET *setup = (WINUSB_SETUP_PACKET *) transfer->buffer;
- HANDLE hid_handle;
- struct winfd wfd;
- int current_interface, config;
- size_t size;
- int r = LIBUSB_ERROR_INVALID_PARAM;
-
- CHECK_HID_AVAILABLE;
-
- transfer_priv->pollable_fd = INVALID_WINFD;
- safe_free(transfer_priv->hid_buffer);
- transfer_priv->hid_dest = NULL;
- size = transfer->length - LIBUSB_CONTROL_SETUP_SIZE;
-
- if (size > MAX_CTRL_BUFFER_LENGTH) {
- return LIBUSB_ERROR_INVALID_PARAM;
- }
-
- current_interface = get_valid_interface(transfer->dev_handle, USB_API_HID);
- if (current_interface < 0) {
- if (auto_claim(transfer, ¤t_interface, USB_API_HID) != LIBUSB_SUCCESS) {
- return LIBUSB_ERROR_NOT_FOUND;
- }
- }
-
- usbi_dbg("will use interface %d", current_interface);
- hid_handle = handle_priv->interface_handle[current_interface].api_handle;
- // Always use the handle returned from usbi_create_fd (wfd.handle)
- wfd = usbi_create_fd(hid_handle, RW_READ, NULL, NULL);
- if (wfd.fd < 0) {
- return LIBUSB_ERROR_NOT_FOUND;
- }
-
- switch(LIBUSB_REQ_TYPE(setup->request_type)) {
- case LIBUSB_REQUEST_TYPE_STANDARD:
- switch(setup->request) {
- case LIBUSB_REQUEST_GET_DESCRIPTOR:
- r = _hid_get_descriptor(priv->hid, wfd.handle, LIBUSB_REQ_RECIPIENT(setup->request_type),
- (setup->value >> 8) & 0xFF, setup->value & 0xFF, transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE, &size);
- break;
- case LIBUSB_REQUEST_GET_CONFIGURATION:
- r = windows_get_configuration(transfer->dev_handle, &config);
- if (r == LIBUSB_SUCCESS) {
- size = 1;
- ((uint8_t*)transfer->buffer)[LIBUSB_CONTROL_SETUP_SIZE] = (uint8_t)config;
- r = LIBUSB_COMPLETED;
- }
- break;
- case LIBUSB_REQUEST_SET_CONFIGURATION:
- if (setup->value == priv->active_config) {
- r = LIBUSB_COMPLETED;
- } else {
- usbi_warn(ctx, "cannot set configuration other than the default one");
- r = LIBUSB_ERROR_NOT_SUPPORTED;
- }
- break;
- case LIBUSB_REQUEST_GET_INTERFACE:
- size = 1;
- ((uint8_t*)transfer->buffer)[LIBUSB_CONTROL_SETUP_SIZE] = 0;
- r = LIBUSB_COMPLETED;
- break;
- case LIBUSB_REQUEST_SET_INTERFACE:
- r = hid_set_interface_altsetting(0, transfer->dev_handle, setup->index, setup->value);
- if (r == LIBUSB_SUCCESS) {
- r = LIBUSB_COMPLETED;
- }
- break;
- default:
- usbi_warn(ctx, "unsupported HID control request");
- r = LIBUSB_ERROR_NOT_SUPPORTED;
- break;
- }
- break;
- case LIBUSB_REQUEST_TYPE_CLASS:
- r =_hid_class_request(priv->hid, wfd.handle, setup->request_type, setup->request, setup->value,
- setup->index, transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE, transfer_priv,
- &size, wfd.overlapped);
- break;
- default:
- usbi_warn(ctx, "unsupported HID control request");
- r = LIBUSB_ERROR_NOT_SUPPORTED;
- break;
- }
-
- if (r == LIBUSB_COMPLETED) {
- // Force request to be completed synchronously. Transferred size has been set by previous call
- wfd.overlapped->Internal = STATUS_COMPLETED_SYNCHRONOUSLY;
- // http://msdn.microsoft.com/en-us/library/ms684342%28VS.85%29.aspx
- // set InternalHigh to the number of bytes transferred
- wfd.overlapped->InternalHigh = (DWORD)size;
- r = LIBUSB_SUCCESS;
- }
-
- if (r == LIBUSB_SUCCESS) {
- // Use priv_transfer to store data needed for async polling
- transfer_priv->pollable_fd = wfd;
- transfer_priv->interface_number = (uint8_t)current_interface;
- } else {
- usbi_free_fd(&wfd);
- }
-
- return r;
-}
-
-static int hid_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer) {
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
- struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(transfer->dev_handle);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
- struct winfd wfd;
- HANDLE hid_handle;
- bool direction_in, ret;
- int current_interface, length;
- DWORD size;
- int r = LIBUSB_SUCCESS;
-
- CHECK_HID_AVAILABLE;
-
- transfer_priv->pollable_fd = INVALID_WINFD;
- transfer_priv->hid_dest = NULL;
- safe_free(transfer_priv->hid_buffer);
-
- current_interface = interface_by_endpoint(priv, handle_priv, transfer->endpoint);
- if (current_interface < 0) {
- usbi_err(ctx, "unable to match endpoint to an open interface - cancelling transfer");
- return LIBUSB_ERROR_NOT_FOUND;
- }
-
- usbi_dbg("matched endpoint %02X with interface %d", transfer->endpoint, current_interface);
-
- hid_handle = handle_priv->interface_handle[current_interface].api_handle;
- direction_in = transfer->endpoint & LIBUSB_ENDPOINT_IN;
-
- wfd = usbi_create_fd(hid_handle, direction_in?RW_READ:RW_WRITE, NULL, NULL);
- // Always use the handle returned from usbi_create_fd (wfd.handle)
- if (wfd.fd < 0) {
- return LIBUSB_ERROR_NO_MEM;
- }
-
- // If report IDs are not in use, an extra prefix byte must be added
- if ( ((direction_in) && (!priv->hid->uses_report_ids[0]))
- || ((!direction_in) && (!priv->hid->uses_report_ids[1])) ) {
- length = transfer->length+1;
- } else {
- length = transfer->length;
- }
- // Add a trailing byte to detect overflows on input
- transfer_priv->hid_buffer = (uint8_t*)calloc(length+1, 1);
- if (transfer_priv->hid_buffer == NULL) {
- return LIBUSB_ERROR_NO_MEM;
- }
- transfer_priv->hid_expected_size = length;
-
- if (direction_in) {
- transfer_priv->hid_dest = transfer->buffer;
- usbi_dbg("reading %d bytes (report ID: 0x00)", length);
- ret = ReadFile(wfd.handle, transfer_priv->hid_buffer, length+1, &size, wfd.overlapped);
- } else {
- if (!priv->hid->uses_report_ids[1]) {
- memcpy(transfer_priv->hid_buffer+1, transfer->buffer, transfer->length);
- } else {
- // We could actually do without the calloc and memcpy in this case
- memcpy(transfer_priv->hid_buffer, transfer->buffer, transfer->length);
- }
- usbi_dbg("writing %d bytes (report ID: 0x%02X)", length, transfer_priv->hid_buffer[0]);
- ret = WriteFile(wfd.handle, transfer_priv->hid_buffer, length, &size, wfd.overlapped);
- }
- if (!ret) {
- if (GetLastError() != ERROR_IO_PENDING) {
- usbi_err(ctx, "HID transfer failed: %s", windows_error_str(0));
- usbi_free_fd(&wfd);
- safe_free(transfer_priv->hid_buffer);
- return LIBUSB_ERROR_IO;
- }
- } else {
- // Only write operations that completed synchronously need to free up
- // hid_buffer. For reads, copy_transfer_data() handles that process.
- if (!direction_in) {
- safe_free(transfer_priv->hid_buffer);
- }
- if (size == 0) {
- usbi_err(ctx, "program assertion failed - no data was transferred");
- size = 1;
- }
- if (size > (size_t)length) {
- usbi_err(ctx, "OVERFLOW!");
- r = LIBUSB_ERROR_OVERFLOW;
- }
- wfd.overlapped->Internal = STATUS_COMPLETED_SYNCHRONOUSLY;
- wfd.overlapped->InternalHigh = size;
- }
-
- transfer_priv->pollable_fd = wfd;
- transfer_priv->interface_number = (uint8_t)current_interface;
-
- return r;
-}
-
-static int hid_abort_transfers(int sub_api, struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(transfer->dev_handle);
- HANDLE hid_handle;
- int current_interface;
-
- CHECK_HID_AVAILABLE;
-
- current_interface = transfer_priv->interface_number;
- hid_handle = handle_priv->interface_handle[current_interface].api_handle;
- CancelIo(hid_handle);
-
- return LIBUSB_SUCCESS;
-}
-
-static int hid_reset_device(int sub_api, struct libusb_device_handle *dev_handle)
-{
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
- HANDLE hid_handle;
- int current_interface;
-
- CHECK_HID_AVAILABLE;
-
- // Flushing the queues on all interfaces is the best we can achieve
- for (current_interface = 0; current_interface < USB_MAXINTERFACES; current_interface++) {
- hid_handle = handle_priv->interface_handle[current_interface].api_handle;
- if ((hid_handle != 0) && (hid_handle != INVALID_HANDLE_VALUE)) {
- HidD_FlushQueue(hid_handle);
- }
- }
- return LIBUSB_SUCCESS;
-}
-
-static int hid_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint)
-{
- struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- HANDLE hid_handle;
- int current_interface;
-
- CHECK_HID_AVAILABLE;
-
- current_interface = interface_by_endpoint(priv, handle_priv, endpoint);
- if (current_interface < 0) {
- usbi_err(ctx, "unable to match endpoint to an open interface - cannot clear");
- return LIBUSB_ERROR_NOT_FOUND;
- }
-
- usbi_dbg("matched endpoint %02X with interface %d", endpoint, current_interface);
- hid_handle = handle_priv->interface_handle[current_interface].api_handle;
-
- // No endpoint selection with Microsoft's implementation, so we try to flush the
- // whole interface. Should be OK for most case scenarios
- if (!HidD_FlushQueue(hid_handle)) {
- usbi_err(ctx, "Flushing of HID queue failed: %s", windows_error_str(0));
- // Device was probably disconnected
- return LIBUSB_ERROR_NO_DEVICE;
- }
-
- return LIBUSB_SUCCESS;
-}
-
-// This extra function is only needed for HID
-static int hid_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size) {
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
- struct windows_transfer_priv *transfer_priv = usbi_transfer_get_os_priv(itransfer);
- int r = LIBUSB_TRANSFER_COMPLETED;
- uint32_t corrected_size = io_size;
-
- if (transfer_priv->hid_buffer != NULL) {
- // If we have a valid hid_buffer, it means the transfer was async
- if (transfer_priv->hid_dest != NULL) { // Data readout
- if (corrected_size > 0) {
- // First, check for overflow
- if (corrected_size > transfer_priv->hid_expected_size) {
- usbi_err(ctx, "OVERFLOW!");
- corrected_size = (uint32_t)transfer_priv->hid_expected_size;
- r = LIBUSB_TRANSFER_OVERFLOW;
- }
-
- if (transfer_priv->hid_buffer[0] == 0) {
- // Discard the 1 byte report ID prefix
- corrected_size--;
- memcpy(transfer_priv->hid_dest, transfer_priv->hid_buffer+1, corrected_size);
- } else {
- memcpy(transfer_priv->hid_dest, transfer_priv->hid_buffer, corrected_size);
- }
- }
- transfer_priv->hid_dest = NULL;
- }
- // For write, we just need to free the hid buffer
- safe_free(transfer_priv->hid_buffer);
- }
- itransfer->transferred += corrected_size;
- return r;
-}
-
-
-/*
- * Composite API functions
- */
-static int composite_init(int sub_api, struct libusb_context *ctx)
-{
- return LIBUSB_SUCCESS;
-}
-
-static int composite_exit(int sub_api)
-{
- return LIBUSB_SUCCESS;
-}
-
-static int composite_open(int sub_api, struct libusb_device_handle *dev_handle)
-{
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- int r = LIBUSB_ERROR_NOT_FOUND;
- uint8_t i;
- // SUB_API_MAX+1 as the SUB_API_MAX pos is used to indicate availability of HID
- bool available[SUB_API_MAX+1] = {0};
-
- for (i=0; i<USB_MAXINTERFACES; i++) {
- switch (priv->usb_interface[i].apib->id) {
- case USB_API_WINUSBX:
- if (priv->usb_interface[i].sub_api != SUB_API_NOTSET)
- available[priv->usb_interface[i].sub_api] = true;
- break;
- case USB_API_HID:
- available[SUB_API_MAX] = true;
- break;
- default:
- break;
- }
- }
-
- for (i=0; i<SUB_API_MAX; i++) { // WinUSB-like drivers
- if (available[i]) {
- r = usb_api_backend[USB_API_WINUSBX].open(i, dev_handle);
- if (r != LIBUSB_SUCCESS) {
- return r;
- }
- }
- }
- if (available[SUB_API_MAX]) { // HID driver
- r = hid_open(SUB_API_NOTSET, dev_handle);
- }
- return r;
-}
-
-static void composite_close(int sub_api, struct libusb_device_handle *dev_handle)
-{
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- uint8_t i;
- // SUB_API_MAX+1 as the SUB_API_MAX pos is used to indicate availability of HID
- bool available[SUB_API_MAX+1] = {0};
-
- for (i=0; i<USB_MAXINTERFACES; i++) {
- switch (priv->usb_interface[i].apib->id) {
- case USB_API_WINUSBX:
- if (priv->usb_interface[i].sub_api != SUB_API_NOTSET)
- available[priv->usb_interface[i].sub_api] = true;
- break;
- case USB_API_HID:
- available[SUB_API_MAX] = true;
- break;
- default:
- break;
- }
- }
-
- for (i=0; i<SUB_API_MAX; i++) { // WinUSB-like drivers
- if (available[i]) {
- usb_api_backend[USB_API_WINUSBX].close(i, dev_handle);
- }
- }
- if (available[SUB_API_MAX]) { // HID driver
- hid_close(SUB_API_NOTSET, dev_handle);
- }
-}
-
-static int composite_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface)
-{
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- return priv->usb_interface[iface].apib->
- claim_interface(priv->usb_interface[iface].sub_api, dev_handle, iface);
-}
-
-static int composite_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting)
-{
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- return priv->usb_interface[iface].apib->
- set_interface_altsetting(priv->usb_interface[iface].sub_api, dev_handle, iface, altsetting);
-}
-
-static int composite_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface)
-{
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- return priv->usb_interface[iface].apib->
- release_interface(priv->usb_interface[iface].sub_api, dev_handle, iface);
-}
-
-static int composite_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
- struct libusb_config_descriptor *conf_desc;
- WINUSB_SETUP_PACKET *setup = (WINUSB_SETUP_PACKET *) transfer->buffer;
- int iface, pass, r;
-
- // Interface shouldn't matter for control, but it does in practice, with Windows'
- // restrictions with regards to accessing HID keyboards and mice. Try to target
- // a specific interface first, if possible.
- switch (LIBUSB_REQ_RECIPIENT(setup->request_type)) {
- case LIBUSB_RECIPIENT_INTERFACE:
- iface = setup->index & 0xFF;
- break;
- case LIBUSB_RECIPIENT_ENDPOINT:
- r = libusb_get_config_descriptor(transfer->dev_handle->dev, (uint8_t)(priv->active_config-1), &conf_desc);
- if (r == LIBUSB_SUCCESS) {
- iface = get_interface_by_endpoint(conf_desc, (setup->index & 0xFF));
- libusb_free_config_descriptor(conf_desc);
- break;
- }
- // Fall through if not able to determine interface
- default:
- iface = -1;
- break;
- }
-
- // Try and target a specific interface if the control setup indicates such
- if ((iface >= 0) && (iface < USB_MAXINTERFACES)) {
- usbi_dbg("attempting control transfer targeted to interface %d", iface);
- if (priv->usb_interface[iface].path != NULL) {
- r = priv->usb_interface[iface].apib->submit_control_transfer(priv->usb_interface[iface].sub_api, itransfer);
- if (r == LIBUSB_SUCCESS) {
- return r;
- }
- }
- }
-
- // Either not targeted to a specific interface or no luck in doing so.
- // Try a 2 pass approach with all interfaces.
- for (pass = 0; pass < 2; pass++) {
- for (iface = 0; iface < USB_MAXINTERFACES; iface++) {
- if (priv->usb_interface[iface].path != NULL) {
- if ((pass == 0) && (priv->usb_interface[iface].restricted_functionality)) {
- usbi_dbg("trying to skip restricted interface #%d (HID keyboard or mouse?)", iface);
- continue;
- }
- usbi_dbg("using interface %d", iface);
- r = priv->usb_interface[iface].apib->submit_control_transfer(priv->usb_interface[iface].sub_api, itransfer);
- // If not supported on this API, it may be supported on another, so don't give up yet!!
- if (r == LIBUSB_ERROR_NOT_SUPPORTED) {
- continue;
- }
- return r;
- }
- }
- }
-
- usbi_err(ctx, "no libusb supported interfaces to complete request");
- return LIBUSB_ERROR_NOT_FOUND;
-}
-
-static int composite_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer) {
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(transfer->dev_handle);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
- int current_interface;
-
- current_interface = interface_by_endpoint(priv, handle_priv, transfer->endpoint);
- if (current_interface < 0) {
- usbi_err(ctx, "unable to match endpoint to an open interface - cancelling transfer");
- return LIBUSB_ERROR_NOT_FOUND;
- }
-
- return priv->usb_interface[current_interface].apib->
- submit_bulk_transfer(priv->usb_interface[current_interface].sub_api, itransfer);}
-
-static int composite_submit_iso_transfer(int sub_api, struct usbi_transfer *itransfer) {
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(transfer->dev_handle);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
- int current_interface;
-
- current_interface = interface_by_endpoint(priv, handle_priv, transfer->endpoint);
- if (current_interface < 0) {
- usbi_err(ctx, "unable to match endpoint to an open interface - cancelling transfer");
- return LIBUSB_ERROR_NOT_FOUND;
- }
-
- return priv->usb_interface[current_interface].apib->
- submit_iso_transfer(priv->usb_interface[current_interface].sub_api, itransfer);}
-
-static int composite_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint)
-{
- struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
- struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- int current_interface;
-
- current_interface = interface_by_endpoint(priv, handle_priv, endpoint);
- if (current_interface < 0) {
- usbi_err(ctx, "unable to match endpoint to an open interface - cannot clear");
- return LIBUSB_ERROR_NOT_FOUND;
- }
-
- return priv->usb_interface[current_interface].apib->
- clear_halt(priv->usb_interface[current_interface].sub_api, dev_handle, endpoint);}
-
-static int composite_abort_control(int sub_api, struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct windows_transfer_priv *transfer_priv = usbi_transfer_get_os_priv(itransfer);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
-
- return priv->usb_interface[transfer_priv->interface_number].apib->
- abort_control(priv->usb_interface[transfer_priv->interface_number].sub_api, itransfer);}
-
-static int composite_abort_transfers(int sub_api, struct usbi_transfer *itransfer)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct windows_transfer_priv *transfer_priv = usbi_transfer_get_os_priv(itransfer);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
-
- return priv->usb_interface[transfer_priv->interface_number].apib->
- abort_transfers(priv->usb_interface[transfer_priv->interface_number].sub_api, itransfer);}
-
-static int composite_reset_device(int sub_api, struct libusb_device_handle *dev_handle)
-{
- struct windows_device_priv *priv = _device_priv(dev_handle->dev);
- int r;
- uint8_t i;
- bool available[SUB_API_MAX];
- for (i = 0; i<SUB_API_MAX; i++) {
- available[i] = false;
- }
- for (i=0; i<USB_MAXINTERFACES; i++) {
- if ( (priv->usb_interface[i].apib->id == USB_API_WINUSBX)
- && (priv->usb_interface[i].sub_api != SUB_API_NOTSET) ) {
- available[priv->usb_interface[i].sub_api] = true;
- }
- }
- for (i=0; i<SUB_API_MAX; i++) {
- if (available[i]) {
- r = usb_api_backend[USB_API_WINUSBX].reset_device(i, dev_handle);
- if (r != LIBUSB_SUCCESS) {
- return r;
- }
- }
- }
- return LIBUSB_SUCCESS;
-}
-
-static int composite_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size)
-{
- struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
- struct windows_transfer_priv *transfer_priv = usbi_transfer_get_os_priv(itransfer);
- struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
-
- return priv->usb_interface[transfer_priv->interface_number].apib->
- copy_transfer_data(priv->usb_interface[transfer_priv->interface_number].sub_api, itransfer, io_size);
-}
+++ /dev/null
-/*
- * Windows backend for libusb 1.0
- * Copyright © 2009-2012 Pete Batard <pete@akeo.ie>
- * With contributions from Michael Plante, Orin Eman et al.
- * Parts of this code adapted from libusb-win32-v1 by Stephan Meyer
- * Major code testing contribution by Xiaofan Chen
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#pragma once
-
-#include "windows_common.h"
-#include "windows_nt_common.h"
-
-#if defined(_MSC_VER)
-// disable /W4 MSVC warnings that are benign
-#pragma warning(disable:4100) // unreferenced formal parameter
-#pragma warning(disable:4127) // conditional expression is constant
-#pragma warning(disable:4201) // nameless struct/union
-#pragma warning(disable:4214) // bit field types other than int
-#pragma warning(disable:4996) // deprecated API calls
-#pragma warning(disable:28159) // more deprecated API calls
-#endif
-
-// Missing from MSVC6 setupapi.h
-#if !defined(SPDRP_ADDRESS)
-#define SPDRP_ADDRESS 28
-#endif
-#if !defined(SPDRP_INSTALL_STATE)
-#define SPDRP_INSTALL_STATE 34
-#endif
-
-// Missing from MinGW
-#if !defined(FACILITY_SETUPAPI)
-#define FACILITY_SETUPAPI 15
-#endif
-
-#if defined(__CYGWIN__ )
-#define _stricmp strcasecmp
-#define _snprintf snprintf
-#define _strdup strdup
-// _beginthreadex is MSVCRT => unavailable for cygwin. Fallback to using CreateThread
-#define _beginthreadex(a, b, c, d, e, f) CreateThread(a, b, (LPTHREAD_START_ROUTINE)c, d, e, (LPDWORD)f)
-#endif
-
-#define MAX_CTRL_BUFFER_LENGTH 4096
-#define MAX_USB_DEVICES 256
-#define MAX_USB_STRING_LENGTH 128
-#define MAX_HID_REPORT_SIZE 1024
-#define MAX_HID_DESCRIPTOR_SIZE 256
-#define MAX_GUID_STRING_LENGTH 40
-#define MAX_PATH_LENGTH 128
-#define MAX_KEY_LENGTH 256
-#define LIST_SEPARATOR ';'
-
-// Handle code for HID interface that have been claimed ("dibs")
-#define INTERFACE_CLAIMED ((HANDLE)(intptr_t)0xD1B5)
-// Additional return code for HID operations that completed synchronously
-#define LIBUSB_COMPLETED (LIBUSB_SUCCESS + 1)
-
-// http://msdn.microsoft.com/en-us/library/ff545978.aspx
-// http://msdn.microsoft.com/en-us/library/ff545972.aspx
-// http://msdn.microsoft.com/en-us/library/ff545982.aspx
-#if !defined(GUID_DEVINTERFACE_USB_HOST_CONTROLLER)
-const GUID GUID_DEVINTERFACE_USB_HOST_CONTROLLER = { 0x3ABF6F2D, 0x71C4, 0x462A, {0x8A, 0x92, 0x1E, 0x68, 0x61, 0xE6, 0xAF, 0x27} };
-#endif
-#if !defined(GUID_DEVINTERFACE_USB_DEVICE)
-const GUID GUID_DEVINTERFACE_USB_DEVICE = { 0xA5DCBF10, 0x6530, 0x11D2, {0x90, 0x1F, 0x00, 0xC0, 0x4F, 0xB9, 0x51, 0xED} };
-#endif
-#if !defined(GUID_DEVINTERFACE_USB_HUB)
-const GUID GUID_DEVINTERFACE_USB_HUB = { 0xF18A0E88, 0xC30C, 0x11D0, {0x88, 0x15, 0x00, 0xA0, 0xC9, 0x06, 0xBE, 0xD8} };
-#endif
-#if !defined(GUID_DEVINTERFACE_LIBUSB0_FILTER)
-const GUID GUID_DEVINTERFACE_LIBUSB0_FILTER = { 0xF9F3FF14, 0xAE21, 0x48A0, {0x8A, 0x25, 0x80, 0x11, 0xA7, 0xA9, 0x31, 0xD9} };
-#endif
-
-
-/*
- * Multiple USB API backend support
- */
-#define USB_API_UNSUPPORTED 0
-#define USB_API_HUB 1
-#define USB_API_COMPOSITE 2
-#define USB_API_WINUSBX 3
-#define USB_API_HID 4
-#define USB_API_MAX 5
-// The following is used to indicate if the HID or composite extra props have already been set.
-#define USB_API_SET (1<<USB_API_MAX)
-
-// Sub-APIs for WinUSB-like driver APIs (WinUSB, libusbK, libusb-win32 through the libusbK DLL)
-// Must have the same values as the KUSB_DRVID enum from libusbk.h
-#define SUB_API_NOTSET -1
-#define SUB_API_LIBUSBK 0
-#define SUB_API_LIBUSB0 1
-#define SUB_API_WINUSB 2
-#define SUB_API_MAX 3
-
-#define WINUSBX_DRV_NAMES { "libusbK", "libusb0", "WinUSB"}
-
-struct windows_usb_api_backend {
- const uint8_t id;
- const char* designation;
- const char **driver_name_list; // Driver name, without .sys, e.g. "usbccgp"
- const uint8_t nb_driver_names;
- int (*init)(int sub_api, struct libusb_context *ctx);
- int (*exit)(int sub_api);
- int (*open)(int sub_api, struct libusb_device_handle *dev_handle);
- void (*close)(int sub_api, struct libusb_device_handle *dev_handle);
- int (*configure_endpoints)(int sub_api, struct libusb_device_handle *dev_handle, int iface);
- int (*claim_interface)(int sub_api, struct libusb_device_handle *dev_handle, int iface);
- int (*set_interface_altsetting)(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting);
- int (*release_interface)(int sub_api, struct libusb_device_handle *dev_handle, int iface);
- int (*clear_halt)(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint);
- int (*reset_device)(int sub_api, struct libusb_device_handle *dev_handle);
- int (*submit_bulk_transfer)(int sub_api, struct usbi_transfer *itransfer);
- int (*submit_iso_transfer)(int sub_api, struct usbi_transfer *itransfer);
- int (*submit_control_transfer)(int sub_api, struct usbi_transfer *itransfer);
- int (*abort_control)(int sub_api, struct usbi_transfer *itransfer);
- int (*abort_transfers)(int sub_api, struct usbi_transfer *itransfer);
- int (*copy_transfer_data)(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size);
-};
-
-extern const struct windows_usb_api_backend usb_api_backend[USB_API_MAX];
-
-#define PRINT_UNSUPPORTED_API(fname) \
- usbi_dbg("unsupported API call for '" \
- #fname "' (unrecognized device driver)"); \
- return LIBUSB_ERROR_NOT_SUPPORTED;
-
-/*
- * private structures definition
- * with inline pseudo constructors/destructors
- */
-
-// TODO (v2+): move hid desc to libusb.h?
-struct libusb_hid_descriptor {
- uint8_t bLength;
- uint8_t bDescriptorType;
- uint16_t bcdHID;
- uint8_t bCountryCode;
- uint8_t bNumDescriptors;
- uint8_t bClassDescriptorType;
- uint16_t wClassDescriptorLength;
-};
-#define LIBUSB_DT_HID_SIZE 9
-#define HID_MAX_CONFIG_DESC_SIZE (LIBUSB_DT_CONFIG_SIZE + LIBUSB_DT_INTERFACE_SIZE \
- + LIBUSB_DT_HID_SIZE + 2 * LIBUSB_DT_ENDPOINT_SIZE)
-#define HID_MAX_REPORT_SIZE 1024
-#define HID_IN_EP 0x81
-#define HID_OUT_EP 0x02
-#define LIBUSB_REQ_RECIPIENT(request_type) ((request_type) & 0x1F)
-#define LIBUSB_REQ_TYPE(request_type) ((request_type) & (0x03 << 5))
-#define LIBUSB_REQ_IN(request_type) ((request_type) & LIBUSB_ENDPOINT_IN)
-#define LIBUSB_REQ_OUT(request_type) (!LIBUSB_REQ_IN(request_type))
-
-// The following are used for HID reports IOCTLs
-#define HID_CTL_CODE(id) \
- CTL_CODE (FILE_DEVICE_KEYBOARD, (id), METHOD_NEITHER, FILE_ANY_ACCESS)
-#define HID_BUFFER_CTL_CODE(id) \
- CTL_CODE (FILE_DEVICE_KEYBOARD, (id), METHOD_BUFFERED, FILE_ANY_ACCESS)
-#define HID_IN_CTL_CODE(id) \
- CTL_CODE (FILE_DEVICE_KEYBOARD, (id), METHOD_IN_DIRECT, FILE_ANY_ACCESS)
-#define HID_OUT_CTL_CODE(id) \
- CTL_CODE (FILE_DEVICE_KEYBOARD, (id), METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
-
-#define IOCTL_HID_GET_FEATURE HID_OUT_CTL_CODE(100)
-#define IOCTL_HID_GET_INPUT_REPORT HID_OUT_CTL_CODE(104)
-#define IOCTL_HID_SET_FEATURE HID_IN_CTL_CODE(100)
-#define IOCTL_HID_SET_OUTPUT_REPORT HID_IN_CTL_CODE(101)
-
-enum libusb_hid_request_type {
- HID_REQ_GET_REPORT = 0x01,
- HID_REQ_GET_IDLE = 0x02,
- HID_REQ_GET_PROTOCOL = 0x03,
- HID_REQ_SET_REPORT = 0x09,
- HID_REQ_SET_IDLE = 0x0A,
- HID_REQ_SET_PROTOCOL = 0x0B
-};
-
-enum libusb_hid_report_type {
- HID_REPORT_TYPE_INPUT = 0x01,
- HID_REPORT_TYPE_OUTPUT = 0x02,
- HID_REPORT_TYPE_FEATURE = 0x03
-};
-
-struct hid_device_priv {
- uint16_t vid;
- uint16_t pid;
- uint8_t config;
- uint8_t nb_interfaces;
- bool uses_report_ids[3]; // input, ouptput, feature
- uint16_t input_report_size;
- uint16_t output_report_size;
- uint16_t feature_report_size;
- WCHAR string[3][MAX_USB_STRING_LENGTH];
- uint8_t string_index[3]; // man, prod, ser
-};
-
-struct windows_device_priv {
- uint8_t depth; // distance to HCD
- uint8_t port; // port number on the hub
- uint8_t active_config;
- struct libusb_device *parent_dev; // access to parent is required for usermode ops
- struct windows_usb_api_backend const *apib;
- char *path; // device interface path
- int sub_api; // for WinUSB-like APIs
- struct {
- char *path; // each interface needs a device interface path,
- struct windows_usb_api_backend const *apib; // an API backend (multiple drivers support),
- int sub_api;
- int8_t nb_endpoints; // and a set of endpoint addresses (USB_MAXENDPOINTS)
- uint8_t *endpoint;
- bool restricted_functionality; // indicates if the interface functionality is restricted
- // by Windows (eg. HID keyboards or mice cannot do R/W)
- } usb_interface[USB_MAXINTERFACES];
- struct hid_device_priv *hid;
- USB_DEVICE_DESCRIPTOR dev_descriptor;
- unsigned char **config_descriptor; // list of pointers to the cached config descriptors
-};
-
-static inline struct windows_device_priv *_device_priv(struct libusb_device *dev) {
- return (struct windows_device_priv *)dev->os_priv;
-}
-
-static inline void windows_device_priv_init(libusb_device* dev) {
- struct windows_device_priv* p = _device_priv(dev);
- int i;
- p->depth = 0;
- p->port = 0;
- p->parent_dev = NULL;
- p->path = NULL;
- p->apib = &usb_api_backend[USB_API_UNSUPPORTED];
- p->sub_api = SUB_API_NOTSET;
- p->hid = NULL;
- p->active_config = 0;
- p->config_descriptor = NULL;
- memset(&(p->dev_descriptor), 0, sizeof(USB_DEVICE_DESCRIPTOR));
- for (i=0; i<USB_MAXINTERFACES; i++) {
- p->usb_interface[i].path = NULL;
- p->usb_interface[i].apib = &usb_api_backend[USB_API_UNSUPPORTED];
- p->usb_interface[i].sub_api = SUB_API_NOTSET;
- p->usb_interface[i].nb_endpoints = 0;
- p->usb_interface[i].endpoint = NULL;
- p->usb_interface[i].restricted_functionality = false;
- }
-}
-
-static inline void windows_device_priv_release(libusb_device* dev) {
- struct windows_device_priv* p = _device_priv(dev);
- int i;
- safe_free(p->path);
- if ((dev->num_configurations > 0) && (p->config_descriptor != NULL)) {
- for (i=0; i < dev->num_configurations; i++)
- safe_free(p->config_descriptor[i]);
- }
- safe_free(p->config_descriptor);
- safe_free(p->hid);
- for (i=0; i<USB_MAXINTERFACES; i++) {
- safe_free(p->usb_interface[i].path);
- safe_free(p->usb_interface[i].endpoint);
- }
-}
-
-struct interface_handle_t {
- HANDLE dev_handle; // WinUSB needs an extra handle for the file
- HANDLE api_handle; // used by the API to communicate with the device
-};
-
-struct windows_device_handle_priv {
- int active_interface;
- struct interface_handle_t interface_handle[USB_MAXINTERFACES];
- int autoclaim_count[USB_MAXINTERFACES]; // For auto-release
-};
-
-static inline struct windows_device_handle_priv *_device_handle_priv(
- struct libusb_device_handle *handle)
-{
- return (struct windows_device_handle_priv *) handle->os_priv;
-}
-
-// used for async polling functions
-struct windows_transfer_priv {
- struct winfd pollable_fd;
- uint8_t interface_number;
- uint8_t *hid_buffer; // 1 byte extended data buffer, required for HID
- uint8_t *hid_dest; // transfer buffer destination, required for HID
- size_t hid_expected_size;
-};
-
-// used to match a device driver (including filter drivers) against a supported API
-struct driver_lookup {
- char list[MAX_KEY_LENGTH+1];// REG_MULTI_SZ list of services (driver) names
- const DWORD reg_prop; // SPDRP registry key to use to retrieve list
- const char* designation; // internal designation (for debug output)
-};
-
-/* OLE32 dependency */
-DLL_DECLARE_PREFIXED(WINAPI, HRESULT, p, CLSIDFromString, (LPCOLESTR, LPCLSID));
-
-/* This call is only available from XP SP2 */
-DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, IsWow64Process, (HANDLE, PBOOL));
-
-/* SetupAPI dependencies */
-DLL_DECLARE_PREFIXED(WINAPI, HDEVINFO, p, SetupDiGetClassDevsA, (const GUID*, PCSTR, HWND, DWORD));
-DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, SetupDiEnumDeviceInfo, (HDEVINFO, DWORD, PSP_DEVINFO_DATA));
-DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, SetupDiEnumDeviceInterfaces, (HDEVINFO, PSP_DEVINFO_DATA,
- const GUID*, DWORD, PSP_DEVICE_INTERFACE_DATA));
-DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, SetupDiGetDeviceInterfaceDetailA, (HDEVINFO, PSP_DEVICE_INTERFACE_DATA,
- PSP_DEVICE_INTERFACE_DETAIL_DATA_A, DWORD, PDWORD, PSP_DEVINFO_DATA));
-DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, SetupDiDestroyDeviceInfoList, (HDEVINFO));
-DLL_DECLARE_PREFIXED(WINAPI, HKEY, p, SetupDiOpenDevRegKey, (HDEVINFO, PSP_DEVINFO_DATA, DWORD, DWORD, DWORD, REGSAM));
-DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, SetupDiGetDeviceRegistryPropertyA, (HDEVINFO,
- PSP_DEVINFO_DATA, DWORD, PDWORD, PBYTE, DWORD, PDWORD));
-DLL_DECLARE_PREFIXED(WINAPI, HKEY, p, SetupDiOpenDeviceInterfaceRegKey, (HDEVINFO, PSP_DEVICE_INTERFACE_DATA, DWORD, DWORD));
-DLL_DECLARE_PREFIXED(WINAPI, LONG, p, RegQueryValueExW, (HKEY, LPCWSTR, LPDWORD, LPDWORD, LPBYTE, LPDWORD));
-DLL_DECLARE_PREFIXED(WINAPI, LONG, p, RegCloseKey, (HKEY));
-
-/*
- * Windows DDK API definitions. Most of it copied from MinGW's includes
- */
-typedef DWORD DEVNODE, DEVINST;
-typedef DEVNODE *PDEVNODE, *PDEVINST;
-typedef DWORD RETURN_TYPE;
-typedef RETURN_TYPE CONFIGRET;
-
-#define CR_SUCCESS 0x00000000
-#define CR_NO_SUCH_DEVNODE 0x0000000D
-
-#define USB_DEVICE_DESCRIPTOR_TYPE LIBUSB_DT_DEVICE
-#define USB_CONFIGURATION_DESCRIPTOR_TYPE LIBUSB_DT_CONFIG
-#define USB_STRING_DESCRIPTOR_TYPE LIBUSB_DT_STRING
-#define USB_INTERFACE_DESCRIPTOR_TYPE LIBUSB_DT_INTERFACE
-#define USB_ENDPOINT_DESCRIPTOR_TYPE LIBUSB_DT_ENDPOINT
-
-#define USB_REQUEST_GET_STATUS LIBUSB_REQUEST_GET_STATUS
-#define USB_REQUEST_CLEAR_FEATURE LIBUSB_REQUEST_CLEAR_FEATURE
-#define USB_REQUEST_SET_FEATURE LIBUSB_REQUEST_SET_FEATURE
-#define USB_REQUEST_SET_ADDRESS LIBUSB_REQUEST_SET_ADDRESS
-#define USB_REQUEST_GET_DESCRIPTOR LIBUSB_REQUEST_GET_DESCRIPTOR
-#define USB_REQUEST_SET_DESCRIPTOR LIBUSB_REQUEST_SET_DESCRIPTOR
-#define USB_REQUEST_GET_CONFIGURATION LIBUSB_REQUEST_GET_CONFIGURATION
-#define USB_REQUEST_SET_CONFIGURATION LIBUSB_REQUEST_SET_CONFIGURATION
-#define USB_REQUEST_GET_INTERFACE LIBUSB_REQUEST_GET_INTERFACE
-#define USB_REQUEST_SET_INTERFACE LIBUSB_REQUEST_SET_INTERFACE
-#define USB_REQUEST_SYNC_FRAME LIBUSB_REQUEST_SYNCH_FRAME
-
-#define USB_GET_NODE_INFORMATION 258
-#define USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION 260
-#define USB_GET_NODE_CONNECTION_NAME 261
-#define USB_GET_HUB_CAPABILITIES 271
-#if !defined(USB_GET_NODE_CONNECTION_INFORMATION_EX)
-#define USB_GET_NODE_CONNECTION_INFORMATION_EX 274
-#endif
-#if !defined(USB_GET_HUB_CAPABILITIES_EX)
-#define USB_GET_HUB_CAPABILITIES_EX 276
-#endif
-#if !defined(USB_GET_NODE_CONNECTION_INFORMATION_EX_V2)
-#define USB_GET_NODE_CONNECTION_INFORMATION_EX_V2 279
-#endif
-
-#ifndef METHOD_BUFFERED
-#define METHOD_BUFFERED 0
-#endif
-#ifndef FILE_ANY_ACCESS
-#define FILE_ANY_ACCESS 0x00000000
-#endif
-#ifndef FILE_DEVICE_UNKNOWN
-#define FILE_DEVICE_UNKNOWN 0x00000022
-#endif
-#ifndef FILE_DEVICE_USB
-#define FILE_DEVICE_USB FILE_DEVICE_UNKNOWN
-#endif
-
-#ifndef CTL_CODE
-#define CTL_CODE(DeviceType, Function, Method, Access)( \
- ((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method))
-#endif
-
-typedef enum USB_CONNECTION_STATUS {
- NoDeviceConnected,
- DeviceConnected,
- DeviceFailedEnumeration,
- DeviceGeneralFailure,
- DeviceCausedOvercurrent,
- DeviceNotEnoughPower,
- DeviceNotEnoughBandwidth,
- DeviceHubNestedTooDeeply,
- DeviceInLegacyHub
-} USB_CONNECTION_STATUS, *PUSB_CONNECTION_STATUS;
-
-typedef enum USB_HUB_NODE {
- UsbHub,
- UsbMIParent
-} USB_HUB_NODE;
-
-/* Cfgmgr32.dll interface */
-DLL_DECLARE(WINAPI, CONFIGRET, CM_Get_Parent, (PDEVINST, DEVINST, ULONG));
-DLL_DECLARE(WINAPI, CONFIGRET, CM_Get_Child, (PDEVINST, DEVINST, ULONG));
-DLL_DECLARE(WINAPI, CONFIGRET, CM_Get_Sibling, (PDEVINST, DEVINST, ULONG));
-DLL_DECLARE(WINAPI, CONFIGRET, CM_Get_Device_IDA, (DEVINST, PCHAR, ULONG, ULONG));
-
-#define IOCTL_USB_GET_HUB_CAPABILITIES_EX \
- CTL_CODE( FILE_DEVICE_USB, USB_GET_HUB_CAPABILITIES_EX, METHOD_BUFFERED, FILE_ANY_ACCESS)
-
-#define IOCTL_USB_GET_HUB_CAPABILITIES \
- CTL_CODE(FILE_DEVICE_USB, USB_GET_HUB_CAPABILITIES, METHOD_BUFFERED, FILE_ANY_ACCESS)
-
-#define IOCTL_USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION \
- CTL_CODE(FILE_DEVICE_USB, USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION, METHOD_BUFFERED, FILE_ANY_ACCESS)
-
-#define IOCTL_USB_GET_ROOT_HUB_NAME \
- CTL_CODE(FILE_DEVICE_USB, HCD_GET_ROOT_HUB_NAME, METHOD_BUFFERED, FILE_ANY_ACCESS)
-
-#define IOCTL_USB_GET_NODE_INFORMATION \
- CTL_CODE(FILE_DEVICE_USB, USB_GET_NODE_INFORMATION, METHOD_BUFFERED, FILE_ANY_ACCESS)
-
-#define IOCTL_USB_GET_NODE_CONNECTION_INFORMATION_EX \
- CTL_CODE(FILE_DEVICE_USB, USB_GET_NODE_CONNECTION_INFORMATION_EX, METHOD_BUFFERED, FILE_ANY_ACCESS)
-
-#define IOCTL_USB_GET_NODE_CONNECTION_INFORMATION_EX_V2 \
- CTL_CODE(FILE_DEVICE_USB, USB_GET_NODE_CONNECTION_INFORMATION_EX_V2, METHOD_BUFFERED, FILE_ANY_ACCESS)
-
-#define IOCTL_USB_GET_NODE_CONNECTION_ATTRIBUTES \
- CTL_CODE(FILE_DEVICE_USB, USB_GET_NODE_CONNECTION_ATTRIBUTES, METHOD_BUFFERED, FILE_ANY_ACCESS)
-
-#define IOCTL_USB_GET_NODE_CONNECTION_NAME \
- CTL_CODE(FILE_DEVICE_USB, USB_GET_NODE_CONNECTION_NAME, METHOD_BUFFERED, FILE_ANY_ACCESS)
-
-// Most of the structures below need to be packed
-#pragma pack(push, 1)
-
-typedef struct USB_INTERFACE_DESCRIPTOR {
- UCHAR bLength;
- UCHAR bDescriptorType;
- UCHAR bInterfaceNumber;
- UCHAR bAlternateSetting;
- UCHAR bNumEndpoints;
- UCHAR bInterfaceClass;
- UCHAR bInterfaceSubClass;
- UCHAR bInterfaceProtocol;
- UCHAR iInterface;
-} USB_INTERFACE_DESCRIPTOR, *PUSB_INTERFACE_DESCRIPTOR;
-
-typedef struct USB_CONFIGURATION_DESCRIPTOR_SHORT {
- struct {
- ULONG ConnectionIndex;
- struct {
- UCHAR bmRequest;
- UCHAR bRequest;
- USHORT wValue;
- USHORT wIndex;
- USHORT wLength;
- } SetupPacket;
- } req;
- USB_CONFIGURATION_DESCRIPTOR data;
-} USB_CONFIGURATION_DESCRIPTOR_SHORT;
-
-typedef struct USB_ENDPOINT_DESCRIPTOR {
- UCHAR bLength;
- UCHAR bDescriptorType;
- UCHAR bEndpointAddress;
- UCHAR bmAttributes;
- USHORT wMaxPacketSize;
- UCHAR bInterval;
-} USB_ENDPOINT_DESCRIPTOR, *PUSB_ENDPOINT_DESCRIPTOR;
-
-typedef struct USB_DESCRIPTOR_REQUEST {
- ULONG ConnectionIndex;
- struct {
- UCHAR bmRequest;
- UCHAR bRequest;
- USHORT wValue;
- USHORT wIndex;
- USHORT wLength;
- } SetupPacket;
-// UCHAR Data[0];
-} USB_DESCRIPTOR_REQUEST, *PUSB_DESCRIPTOR_REQUEST;
-
-typedef struct USB_HUB_DESCRIPTOR {
- UCHAR bDescriptorLength;
- UCHAR bDescriptorType;
- UCHAR bNumberOfPorts;
- USHORT wHubCharacteristics;
- UCHAR bPowerOnToPowerGood;
- UCHAR bHubControlCurrent;
- UCHAR bRemoveAndPowerMask[64];
-} USB_HUB_DESCRIPTOR, *PUSB_HUB_DESCRIPTOR;
-
-typedef struct USB_ROOT_HUB_NAME {
- ULONG ActualLength;
- WCHAR RootHubName[1];
-} USB_ROOT_HUB_NAME, *PUSB_ROOT_HUB_NAME;
-
-typedef struct USB_ROOT_HUB_NAME_FIXED {
- ULONG ActualLength;
- WCHAR RootHubName[MAX_PATH_LENGTH];
-} USB_ROOT_HUB_NAME_FIXED;
-
-typedef struct USB_NODE_CONNECTION_NAME {
- ULONG ConnectionIndex;
- ULONG ActualLength;
- WCHAR NodeName[1];
-} USB_NODE_CONNECTION_NAME, *PUSB_NODE_CONNECTION_NAME;
-
-typedef struct USB_NODE_CONNECTION_NAME_FIXED {
- ULONG ConnectionIndex;
- ULONG ActualLength;
- WCHAR NodeName[MAX_PATH_LENGTH];
-} USB_NODE_CONNECTION_NAME_FIXED;
-
-typedef struct USB_HUB_NAME_FIXED {
- union {
- USB_ROOT_HUB_NAME_FIXED root;
- USB_NODE_CONNECTION_NAME_FIXED node;
- } u;
-} USB_HUB_NAME_FIXED;
-
-typedef struct USB_HUB_INFORMATION {
- USB_HUB_DESCRIPTOR HubDescriptor;
- BOOLEAN HubIsBusPowered;
-} USB_HUB_INFORMATION, *PUSB_HUB_INFORMATION;
-
-typedef struct USB_MI_PARENT_INFORMATION {
- ULONG NumberOfInterfaces;
-} USB_MI_PARENT_INFORMATION, *PUSB_MI_PARENT_INFORMATION;
-
-typedef struct USB_NODE_INFORMATION {
- USB_HUB_NODE NodeType;
- union {
- USB_HUB_INFORMATION HubInformation;
- USB_MI_PARENT_INFORMATION MiParentInformation;
- } u;
-} USB_NODE_INFORMATION, *PUSB_NODE_INFORMATION;
-
-typedef struct USB_PIPE_INFO {
- USB_ENDPOINT_DESCRIPTOR EndpointDescriptor;
- ULONG ScheduleOffset;
-} USB_PIPE_INFO, *PUSB_PIPE_INFO;
-
-typedef struct USB_NODE_CONNECTION_INFORMATION_EX {
- ULONG ConnectionIndex;
- USB_DEVICE_DESCRIPTOR DeviceDescriptor;
- UCHAR CurrentConfigurationValue;
- UCHAR Speed;
- BOOLEAN DeviceIsHub;
- USHORT DeviceAddress;
- ULONG NumberOfOpenPipes;
- USB_CONNECTION_STATUS ConnectionStatus;
-// USB_PIPE_INFO PipeList[0];
-} USB_NODE_CONNECTION_INFORMATION_EX, *PUSB_NODE_CONNECTION_INFORMATION_EX;
-
-typedef union _USB_PROTOCOLS {
- ULONG ul;
- struct {
- ULONG Usb110:1;
- ULONG Usb200:1;
- ULONG Usb300:1;
- ULONG ReservedMBZ:29;
- };
-} USB_PROTOCOLS, *PUSB_PROTOCOLS;
-
-typedef union _USB_NODE_CONNECTION_INFORMATION_EX_V2_FLAGS {
- ULONG ul;
- struct {
- ULONG DeviceIsOperatingAtSuperSpeedOrHigher:1;
- ULONG DeviceIsSuperSpeedCapableOrHigher:1;
- ULONG ReservedMBZ:30;
- };
-} USB_NODE_CONNECTION_INFORMATION_EX_V2_FLAGS, *PUSB_NODE_CONNECTION_INFORMATION_EX_V2_FLAGS;
-
-typedef struct _USB_NODE_CONNECTION_INFORMATION_EX_V2 {
- ULONG ConnectionIndex;
- ULONG Length;
- USB_PROTOCOLS SupportedUsbProtocols;
- USB_NODE_CONNECTION_INFORMATION_EX_V2_FLAGS Flags;
-} USB_NODE_CONNECTION_INFORMATION_EX_V2, *PUSB_NODE_CONNECTION_INFORMATION_EX_V2;
-
-typedef struct USB_HUB_CAP_FLAGS {
- ULONG HubIsHighSpeedCapable:1;
- ULONG HubIsHighSpeed:1;
- ULONG HubIsMultiTtCapable:1;
- ULONG HubIsMultiTt:1;
- ULONG HubIsRoot:1;
- ULONG HubIsArmedWakeOnConnect:1;
- ULONG ReservedMBZ:26;
-} USB_HUB_CAP_FLAGS, *PUSB_HUB_CAP_FLAGS;
-
-typedef struct USB_HUB_CAPABILITIES {
- ULONG HubIs2xCapable : 1;
-} USB_HUB_CAPABILITIES, *PUSB_HUB_CAPABILITIES;
-
-typedef struct USB_HUB_CAPABILITIES_EX {
- USB_HUB_CAP_FLAGS CapabilityFlags;
-} USB_HUB_CAPABILITIES_EX, *PUSB_HUB_CAPABILITIES_EX;
-
-#pragma pack(pop)
-
-/* winusb.dll interface */
-
-#define SHORT_PACKET_TERMINATE 0x01
-#define AUTO_CLEAR_STALL 0x02
-#define PIPE_TRANSFER_TIMEOUT 0x03
-#define IGNORE_SHORT_PACKETS 0x04
-#define ALLOW_PARTIAL_READS 0x05
-#define AUTO_FLUSH 0x06
-#define RAW_IO 0x07
-#define MAXIMUM_TRANSFER_SIZE 0x08
-#define AUTO_SUSPEND 0x81
-#define SUSPEND_DELAY 0x83
-#define DEVICE_SPEED 0x01
-#define LowSpeed 0x01
-#define FullSpeed 0x02
-#define HighSpeed 0x03
-
-typedef enum USBD_PIPE_TYPE {
- UsbdPipeTypeControl,
- UsbdPipeTypeIsochronous,
- UsbdPipeTypeBulk,
- UsbdPipeTypeInterrupt
-} USBD_PIPE_TYPE;
-
-typedef struct {
- USBD_PIPE_TYPE PipeType;
- UCHAR PipeId;
- USHORT MaximumPacketSize;
- UCHAR Interval;
-} WINUSB_PIPE_INFORMATION, *PWINUSB_PIPE_INFORMATION;
-
-#pragma pack(1)
-typedef struct {
- UCHAR request_type;
- UCHAR request;
- USHORT value;
- USHORT index;
- USHORT length;
-} WINUSB_SETUP_PACKET, *PWINUSB_SETUP_PACKET;
-#pragma pack()
-
-typedef void *WINUSB_INTERFACE_HANDLE, *PWINUSB_INTERFACE_HANDLE;
-
-typedef BOOL (WINAPI *WinUsb_AbortPipe_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- UCHAR PipeID
-);
-typedef BOOL (WINAPI *WinUsb_ControlTransfer_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- WINUSB_SETUP_PACKET SetupPacket,
- PUCHAR Buffer,
- ULONG BufferLength,
- PULONG LengthTransferred,
- LPOVERLAPPED Overlapped
-);
-typedef BOOL (WINAPI *WinUsb_FlushPipe_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- UCHAR PipeID
-);
-typedef BOOL (WINAPI *WinUsb_Free_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle
-);
-typedef BOOL (WINAPI *WinUsb_GetAssociatedInterface_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- UCHAR AssociatedInterfaceIndex,
- PWINUSB_INTERFACE_HANDLE AssociatedInterfaceHandle
-);
-typedef BOOL (WINAPI *WinUsb_GetCurrentAlternateSetting_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- PUCHAR AlternateSetting
-);
-typedef BOOL (WINAPI *WinUsb_GetDescriptor_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- UCHAR DescriptorType,
- UCHAR Index,
- USHORT LanguageID,
- PUCHAR Buffer,
- ULONG BufferLength,
- PULONG LengthTransferred
-);
-typedef BOOL (WINAPI *WinUsb_GetOverlappedResult_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- LPOVERLAPPED lpOverlapped,
- LPDWORD lpNumberOfBytesTransferred,
- BOOL bWait
-);
-typedef BOOL (WINAPI *WinUsb_GetPipePolicy_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- UCHAR PipeID,
- ULONG PolicyType,
- PULONG ValueLength,
- PVOID Value
-);
-typedef BOOL (WINAPI *WinUsb_GetPowerPolicy_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- ULONG PolicyType,
- PULONG ValueLength,
- PVOID Value
-);
-typedef BOOL (WINAPI *WinUsb_Initialize_t)(
- HANDLE DeviceHandle,
- PWINUSB_INTERFACE_HANDLE InterfaceHandle
-);
-typedef BOOL (WINAPI *WinUsb_QueryDeviceInformation_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- ULONG InformationType,
- PULONG BufferLength,
- PVOID Buffer
-);
-typedef BOOL (WINAPI *WinUsb_QueryInterfaceSettings_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- UCHAR AlternateSettingNumber,
- PUSB_INTERFACE_DESCRIPTOR UsbAltInterfaceDescriptor
-);
-typedef BOOL (WINAPI *WinUsb_QueryPipe_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- UCHAR AlternateInterfaceNumber,
- UCHAR PipeIndex,
- PWINUSB_PIPE_INFORMATION PipeInformation
-);
-typedef BOOL (WINAPI *WinUsb_ReadPipe_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- UCHAR PipeID,
- PUCHAR Buffer,
- ULONG BufferLength,
- PULONG LengthTransferred,
- LPOVERLAPPED Overlapped
-);
-typedef BOOL (WINAPI *WinUsb_ResetPipe_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- UCHAR PipeID
-);
-typedef BOOL (WINAPI *WinUsb_SetCurrentAlternateSetting_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- UCHAR AlternateSetting
-);
-typedef BOOL (WINAPI *WinUsb_SetPipePolicy_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- UCHAR PipeID,
- ULONG PolicyType,
- ULONG ValueLength,
- PVOID Value
-);
-typedef BOOL (WINAPI *WinUsb_SetPowerPolicy_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- ULONG PolicyType,
- ULONG ValueLength,
- PVOID Value
-);
-typedef BOOL (WINAPI *WinUsb_WritePipe_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle,
- UCHAR PipeID,
- PUCHAR Buffer,
- ULONG BufferLength,
- PULONG LengthTransferred,
- LPOVERLAPPED Overlapped
-);
-typedef BOOL (WINAPI *WinUsb_ResetDevice_t)(
- WINUSB_INTERFACE_HANDLE InterfaceHandle
-);
-
-/* /!\ These must match the ones from the official libusbk.h */
-typedef enum _KUSB_FNID
-{
- KUSB_FNID_Init,
- KUSB_FNID_Free,
- KUSB_FNID_ClaimInterface,
- KUSB_FNID_ReleaseInterface,
- KUSB_FNID_SetAltInterface,
- KUSB_FNID_GetAltInterface,
- KUSB_FNID_GetDescriptor,
- KUSB_FNID_ControlTransfer,
- KUSB_FNID_SetPowerPolicy,
- KUSB_FNID_GetPowerPolicy,
- KUSB_FNID_SetConfiguration,
- KUSB_FNID_GetConfiguration,
- KUSB_FNID_ResetDevice,
- KUSB_FNID_Initialize,
- KUSB_FNID_SelectInterface,
- KUSB_FNID_GetAssociatedInterface,
- KUSB_FNID_Clone,
- KUSB_FNID_QueryInterfaceSettings,
- KUSB_FNID_QueryDeviceInformation,
- KUSB_FNID_SetCurrentAlternateSetting,
- KUSB_FNID_GetCurrentAlternateSetting,
- KUSB_FNID_QueryPipe,
- KUSB_FNID_SetPipePolicy,
- KUSB_FNID_GetPipePolicy,
- KUSB_FNID_ReadPipe,
- KUSB_FNID_WritePipe,
- KUSB_FNID_ResetPipe,
- KUSB_FNID_AbortPipe,
- KUSB_FNID_FlushPipe,
- KUSB_FNID_IsoReadPipe,
- KUSB_FNID_IsoWritePipe,
- KUSB_FNID_GetCurrentFrameNumber,
- KUSB_FNID_GetOverlappedResult,
- KUSB_FNID_GetProperty,
- KUSB_FNID_COUNT,
-} KUSB_FNID;
-
-typedef struct _KLIB_VERSION {
- INT Major;
- INT Minor;
- INT Micro;
- INT Nano;
-} KLIB_VERSION;
-typedef KLIB_VERSION* PKLIB_VERSION;
-
-typedef BOOL (WINAPI *LibK_GetProcAddress_t)(
- PVOID* ProcAddress,
- ULONG DriverID,
- ULONG FunctionID
-);
-
-typedef VOID (WINAPI *LibK_GetVersion_t)(
- PKLIB_VERSION Version
-);
-
-struct winusb_interface {
- bool initialized;
- WinUsb_AbortPipe_t AbortPipe;
- WinUsb_ControlTransfer_t ControlTransfer;
- WinUsb_FlushPipe_t FlushPipe;
- WinUsb_Free_t Free;
- WinUsb_GetAssociatedInterface_t GetAssociatedInterface;
- WinUsb_GetCurrentAlternateSetting_t GetCurrentAlternateSetting;
- WinUsb_GetDescriptor_t GetDescriptor;
- WinUsb_GetOverlappedResult_t GetOverlappedResult;
- WinUsb_GetPipePolicy_t GetPipePolicy;
- WinUsb_GetPowerPolicy_t GetPowerPolicy;
- WinUsb_Initialize_t Initialize;
- WinUsb_QueryDeviceInformation_t QueryDeviceInformation;
- WinUsb_QueryInterfaceSettings_t QueryInterfaceSettings;
- WinUsb_QueryPipe_t QueryPipe;
- WinUsb_ReadPipe_t ReadPipe;
- WinUsb_ResetPipe_t ResetPipe;
- WinUsb_SetCurrentAlternateSetting_t SetCurrentAlternateSetting;
- WinUsb_SetPipePolicy_t SetPipePolicy;
- WinUsb_SetPowerPolicy_t SetPowerPolicy;
- WinUsb_WritePipe_t WritePipe;
- WinUsb_ResetDevice_t ResetDevice;
-};
-
-/* hid.dll interface */
-
-#define HIDP_STATUS_SUCCESS 0x110000
-typedef void* PHIDP_PREPARSED_DATA;
-
-#pragma pack(1)
-typedef struct {
- ULONG Size;
- USHORT VendorID;
- USHORT ProductID;
- USHORT VersionNumber;
-} HIDD_ATTRIBUTES, *PHIDD_ATTRIBUTES;
-#pragma pack()
-
-typedef USHORT USAGE;
-typedef struct {
- USAGE Usage;
- USAGE UsagePage;
- USHORT InputReportByteLength;
- USHORT OutputReportByteLength;
- USHORT FeatureReportByteLength;
- USHORT Reserved[17];
- USHORT NumberLinkCollectionNodes;
- USHORT NumberInputButtonCaps;
- USHORT NumberInputValueCaps;
- USHORT NumberInputDataIndices;
- USHORT NumberOutputButtonCaps;
- USHORT NumberOutputValueCaps;
- USHORT NumberOutputDataIndices;
- USHORT NumberFeatureButtonCaps;
- USHORT NumberFeatureValueCaps;
- USHORT NumberFeatureDataIndices;
-} HIDP_CAPS, *PHIDP_CAPS;
-
-typedef enum _HIDP_REPORT_TYPE {
- HidP_Input,
- HidP_Output,
- HidP_Feature
-} HIDP_REPORT_TYPE;
-
-typedef struct _HIDP_VALUE_CAPS {
- USAGE UsagePage;
- UCHAR ReportID;
- BOOLEAN IsAlias;
- USHORT BitField;
- USHORT LinkCollection;
- USAGE LinkUsage;
- USAGE LinkUsagePage;
- BOOLEAN IsRange;
- BOOLEAN IsStringRange;
- BOOLEAN IsDesignatorRange;
- BOOLEAN IsAbsolute;
- BOOLEAN HasNull;
- UCHAR Reserved;
- USHORT BitSize;
- USHORT ReportCount;
- USHORT Reserved2[5];
- ULONG UnitsExp;
- ULONG Units;
- LONG LogicalMin, LogicalMax;
- LONG PhysicalMin, PhysicalMax;
- union {
- struct {
- USAGE UsageMin, UsageMax;
- USHORT StringMin, StringMax;
- USHORT DesignatorMin, DesignatorMax;
- USHORT DataIndexMin, DataIndexMax;
- } Range;
- struct {
- USAGE Usage, Reserved1;
- USHORT StringIndex, Reserved2;
- USHORT DesignatorIndex, Reserved3;
- USHORT DataIndex, Reserved4;
- } NotRange;
- } u;
-} HIDP_VALUE_CAPS, *PHIDP_VALUE_CAPS;
-
-DLL_DECLARE(WINAPI, BOOL, HidD_GetAttributes, (HANDLE, PHIDD_ATTRIBUTES));
-DLL_DECLARE(WINAPI, VOID, HidD_GetHidGuid, (LPGUID));
-DLL_DECLARE(WINAPI, BOOL, HidD_GetPreparsedData, (HANDLE, PHIDP_PREPARSED_DATA *));
-DLL_DECLARE(WINAPI, BOOL, HidD_FreePreparsedData, (PHIDP_PREPARSED_DATA));
-DLL_DECLARE(WINAPI, BOOL, HidD_GetManufacturerString, (HANDLE, PVOID, ULONG));
-DLL_DECLARE(WINAPI, BOOL, HidD_GetProductString, (HANDLE, PVOID, ULONG));
-DLL_DECLARE(WINAPI, BOOL, HidD_GetSerialNumberString, (HANDLE, PVOID, ULONG));
-DLL_DECLARE(WINAPI, LONG, HidP_GetCaps, (PHIDP_PREPARSED_DATA, PHIDP_CAPS));
-DLL_DECLARE(WINAPI, BOOL, HidD_SetNumInputBuffers, (HANDLE, ULONG));
-DLL_DECLARE(WINAPI, BOOL, HidD_SetFeature, (HANDLE, PVOID, ULONG));
-DLL_DECLARE(WINAPI, BOOL, HidD_GetFeature, (HANDLE, PVOID, ULONG));
-DLL_DECLARE(WINAPI, BOOL, HidD_GetPhysicalDescriptor, (HANDLE, PVOID, ULONG));
-DLL_DECLARE(WINAPI, BOOL, HidD_GetInputReport, (HANDLE, PVOID, ULONG));
-DLL_DECLARE(WINAPI, BOOL, HidD_SetOutputReport, (HANDLE, PVOID, ULONG));
-DLL_DECLARE(WINAPI, BOOL, HidD_FlushQueue, (HANDLE));
-DLL_DECLARE(WINAPI, BOOL, HidP_GetValueCaps, (HIDP_REPORT_TYPE, PHIDP_VALUE_CAPS, PULONG, PHIDP_PREPARSED_DATA));
--- /dev/null
+/*
+ * windows backend for libusb 1.0
+ * Copyright © 2009-2012 Pete Batard <pete@akeo.ie>
+ * With contributions from Michael Plante, Orin Eman et al.
+ * Parts of this code adapted from libusb-win32-v1 by Stephan Meyer
+ * HID Reports IOCTLs inspired from HIDAPI by Alan Ott, Signal 11 Software
+ * Hash table functions adapted from glibc, by Ulrich Drepper et al.
+ * Major code testing contribution by Xiaofan Chen
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <config.h>
+
+#include <windows.h>
+#include <setupapi.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <process.h>
+#include <stdio.h>
+#include <inttypes.h>
+#include <objbase.h>
+#include <winioctl.h>
+
+#include "libusbi.h"
+#include "poll_windows.h"
+#include "windows_winusb.h"
+
+// The 2 macros below are used in conjunction with safe loops.
+#define LOOP_CHECK(fcall) { r=fcall; if (r != LIBUSB_SUCCESS) continue; }
+#define LOOP_BREAK(err) { r=err; continue; }
+
+// Helper prototypes
+static int windows_get_active_config_descriptor(struct libusb_device *dev, unsigned char *buffer, size_t len, int *host_endian);
+// Common calls
+static int common_configure_endpoints(int sub_api, struct libusb_device_handle *dev_handle, int iface);
+
+// WinUSB-like API prototypes
+static int winusbx_init(int sub_api, struct libusb_context *ctx);
+static int winusbx_exit(int sub_api);
+static int winusbx_open(int sub_api, struct libusb_device_handle *dev_handle);
+static void winusbx_close(int sub_api, struct libusb_device_handle *dev_handle);
+static int winusbx_configure_endpoints(int sub_api, struct libusb_device_handle *dev_handle, int iface);
+static int winusbx_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface);
+static int winusbx_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface);
+static int winusbx_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer);
+static int winusbx_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting);
+static int winusbx_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer);
+static int winusbx_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint);
+static int winusbx_abort_transfers(int sub_api, struct usbi_transfer *itransfer);
+static int winusbx_abort_control(int sub_api, struct usbi_transfer *itransfer);
+static int winusbx_reset_device(int sub_api, struct libusb_device_handle *dev_handle);
+static int winusbx_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size);
+// HID API prototypes
+static int hid_init(int sub_api, struct libusb_context *ctx);
+static int hid_exit(int sub_api);
+static int hid_open(int sub_api, struct libusb_device_handle *dev_handle);
+static void hid_close(int sub_api, struct libusb_device_handle *dev_handle);
+static int hid_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface);
+static int hid_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface);
+static int hid_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting);
+static int hid_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer);
+static int hid_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer);
+static int hid_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint);
+static int hid_abort_transfers(int sub_api, struct usbi_transfer *itransfer);
+static int hid_reset_device(int sub_api, struct libusb_device_handle *dev_handle);
+static int hid_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size);
+// Composite API prototypes
+static int composite_init(int sub_api, struct libusb_context *ctx);
+static int composite_exit(int sub_api);
+static int composite_open(int sub_api, struct libusb_device_handle *dev_handle);
+static void composite_close(int sub_api, struct libusb_device_handle *dev_handle);
+static int composite_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface);
+static int composite_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting);
+static int composite_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface);
+static int composite_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer);
+static int composite_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer);
+static int composite_submit_iso_transfer(int sub_api, struct usbi_transfer *itransfer);
+static int composite_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint);
+static int composite_abort_transfers(int sub_api, struct usbi_transfer *itransfer);
+static int composite_abort_control(int sub_api, struct usbi_transfer *itransfer);
+static int composite_reset_device(int sub_api, struct libusb_device_handle *dev_handle);
+static int composite_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size);
+
+
+// Global variables
+uint64_t hires_frequency, hires_ticks_to_ps;
+int windows_version = WINDOWS_UNDEFINED;
+static char windows_version_str[128] = "Windows Undefined";
+// Concurrency
+static int concurrent_usage = -1;
+usbi_mutex_t autoclaim_lock;
+// API globals
+#define CHECK_WINUSBX_AVAILABLE(sub_api) do { if (sub_api == SUB_API_NOTSET) sub_api = priv->sub_api; \
+ if (!WinUSBX[sub_api].initialized) return LIBUSB_ERROR_ACCESS; } while(0)
+static struct winusb_interface WinUSBX[SUB_API_MAX];
+const char* sub_api_name[SUB_API_MAX] = WINUSBX_DRV_NAMES;
+bool api_hid_available = false;
+#define CHECK_HID_AVAILABLE do { if (!api_hid_available) return LIBUSB_ERROR_ACCESS; } while (0)
+
+static inline BOOLEAN guid_eq(const GUID *guid1, const GUID *guid2) {
+ if ((guid1 != NULL) && (guid2 != NULL)) {
+ return (memcmp(guid1, guid2, sizeof(GUID)) == 0);
+ }
+ return false;
+}
+
+#if defined(ENABLE_LOGGING)
+static char* guid_to_string(const GUID* guid)
+{
+ static char guid_string[MAX_GUID_STRING_LENGTH];
+
+ if (guid == NULL) return NULL;
+ sprintf(guid_string, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
+ (unsigned int)guid->Data1, guid->Data2, guid->Data3,
+ guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
+ guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
+ return guid_string;
+}
+#endif
+
+/*
+ * Sanitize Microsoft's paths: convert to uppercase, add prefix and fix backslashes.
+ * Return an allocated sanitized string or NULL on error.
+ */
+static char* sanitize_path(const char* path)
+{
+ const char root_prefix[] = "\\\\.\\";
+ size_t j, size, root_size;
+ char* ret_path = NULL;
+ size_t add_root = 0;
+
+ if (path == NULL)
+ return NULL;
+
+ size = safe_strlen(path)+1;
+ root_size = sizeof(root_prefix)-1;
+
+ // Microsoft indiscriminately uses '\\?\', '\\.\', '##?#" or "##.#" for root prefixes.
+ if (!((size > 3) && (((path[0] == '\\') && (path[1] == '\\') && (path[3] == '\\')) ||
+ ((path[0] == '#') && (path[1] == '#') && (path[3] == '#'))))) {
+ add_root = root_size;
+ size += add_root;
+ }
+
+ if ((ret_path = (char*) calloc(size, 1)) == NULL)
+ return NULL;
+
+ safe_strcpy(&ret_path[add_root], size-add_root, path);
+
+ // Ensure consistency with root prefix
+ for (j=0; j<root_size; j++)
+ ret_path[j] = root_prefix[j];
+
+ // Same goes for '\' and '#' after the root prefix. Ensure '#' is used
+ for(j=root_size; j<size; j++) {
+ ret_path[j] = (char)toupper((int)ret_path[j]); // Fix case too
+ if (ret_path[j] == '\\')
+ ret_path[j] = '#';
+ }
+
+ return ret_path;
+}
+
+/*
+ * Cfgmgr32, OLE32 and SetupAPI DLL functions
+ */
+static int init_dlls(void)
+{
+ DLL_LOAD(Cfgmgr32.dll, CM_Get_Parent, TRUE);
+ DLL_LOAD(Cfgmgr32.dll, CM_Get_Child, TRUE);
+ DLL_LOAD(Cfgmgr32.dll, CM_Get_Sibling, TRUE);
+ DLL_LOAD(Cfgmgr32.dll, CM_Get_Device_IDA, TRUE);
+ // Prefixed to avoid conflict with header files
+ DLL_LOAD_PREFIXED(OLE32.dll, p, CLSIDFromString, TRUE);
+ DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiGetClassDevsA, TRUE);
+ DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiEnumDeviceInfo, TRUE);
+ DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiEnumDeviceInterfaces, TRUE);
+ DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiGetDeviceInterfaceDetailA, TRUE);
+ DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiDestroyDeviceInfoList, TRUE);
+ DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiOpenDevRegKey, TRUE);
+ DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiGetDeviceRegistryPropertyA, TRUE);
+ DLL_LOAD_PREFIXED(SetupAPI.dll, p, SetupDiOpenDeviceInterfaceRegKey, TRUE);
+ DLL_LOAD_PREFIXED(AdvAPI32.dll, p, RegQueryValueExW, TRUE);
+ DLL_LOAD_PREFIXED(AdvAPI32.dll, p, RegCloseKey, TRUE);
+ return LIBUSB_SUCCESS;
+}
+
+/*
+ * enumerate interfaces for the whole USB class
+ *
+ * Parameters:
+ * dev_info: a pointer to a dev_info list
+ * dev_info_data: a pointer to an SP_DEVINFO_DATA to be filled (or NULL if not needed)
+ * usb_class: the generic USB class for which to retrieve interface details
+ * index: zero based index of the interface in the device info list
+ *
+ * Note: it is the responsibility of the caller to free the DEVICE_INTERFACE_DETAIL_DATA
+ * structure returned and call this function repeatedly using the same guid (with an
+ * incremented index starting at zero) until all interfaces have been returned.
+ */
+static bool get_devinfo_data(struct libusb_context *ctx,
+ HDEVINFO *dev_info, SP_DEVINFO_DATA *dev_info_data, const char* usb_class, unsigned _index)
+{
+ if (_index <= 0) {
+ *dev_info = pSetupDiGetClassDevsA(NULL, usb_class, NULL, DIGCF_PRESENT|DIGCF_ALLCLASSES);
+ if (*dev_info == INVALID_HANDLE_VALUE) {
+ return false;
+ }
+ }
+
+ dev_info_data->cbSize = sizeof(SP_DEVINFO_DATA);
+ if (!pSetupDiEnumDeviceInfo(*dev_info, _index, dev_info_data)) {
+ if (GetLastError() != ERROR_NO_MORE_ITEMS) {
+ usbi_err(ctx, "Could not obtain device info data for index %u: %s",
+ _index, windows_error_str(0));
+ }
+ pSetupDiDestroyDeviceInfoList(*dev_info);
+ *dev_info = INVALID_HANDLE_VALUE;
+ return false;
+ }
+ return true;
+}
+
+/*
+ * enumerate interfaces for a specific GUID
+ *
+ * Parameters:
+ * dev_info: a pointer to a dev_info list
+ * dev_info_data: a pointer to an SP_DEVINFO_DATA to be filled (or NULL if not needed)
+ * guid: the GUID for which to retrieve interface details
+ * index: zero based index of the interface in the device info list
+ *
+ * Note: it is the responsibility of the caller to free the DEVICE_INTERFACE_DETAIL_DATA
+ * structure returned and call this function repeatedly using the same guid (with an
+ * incremented index starting at zero) until all interfaces have been returned.
+ */
+static SP_DEVICE_INTERFACE_DETAIL_DATA_A *get_interface_details(struct libusb_context *ctx,
+ HDEVINFO *dev_info, SP_DEVINFO_DATA *dev_info_data, const GUID* guid, unsigned _index)
+{
+ SP_DEVICE_INTERFACE_DATA dev_interface_data;
+ SP_DEVICE_INTERFACE_DETAIL_DATA_A *dev_interface_details = NULL;
+ DWORD size;
+
+ if (_index <= 0) {
+ *dev_info = pSetupDiGetClassDevsA(guid, NULL, NULL, DIGCF_PRESENT|DIGCF_DEVICEINTERFACE);
+ }
+
+ if (dev_info_data != NULL) {
+ dev_info_data->cbSize = sizeof(SP_DEVINFO_DATA);
+ if (!pSetupDiEnumDeviceInfo(*dev_info, _index, dev_info_data)) {
+ if (GetLastError() != ERROR_NO_MORE_ITEMS) {
+ usbi_err(ctx, "Could not obtain device info data for index %u: %s",
+ _index, windows_error_str(0));
+ }
+ pSetupDiDestroyDeviceInfoList(*dev_info);
+ *dev_info = INVALID_HANDLE_VALUE;
+ return NULL;
+ }
+ }
+
+ dev_interface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
+ if (!pSetupDiEnumDeviceInterfaces(*dev_info, NULL, guid, _index, &dev_interface_data)) {
+ if (GetLastError() != ERROR_NO_MORE_ITEMS) {
+ usbi_err(ctx, "Could not obtain interface data for index %u: %s",
+ _index, windows_error_str(0));
+ }
+ pSetupDiDestroyDeviceInfoList(*dev_info);
+ *dev_info = INVALID_HANDLE_VALUE;
+ return NULL;
+ }
+
+ // Read interface data (dummy + actual) to access the device path
+ if (!pSetupDiGetDeviceInterfaceDetailA(*dev_info, &dev_interface_data, NULL, 0, &size, NULL)) {
+ // The dummy call should fail with ERROR_INSUFFICIENT_BUFFER
+ if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) {
+ usbi_err(ctx, "could not access interface data (dummy) for index %u: %s",
+ _index, windows_error_str(0));
+ goto err_exit;
+ }
+ } else {
+ usbi_err(ctx, "program assertion failed - http://msdn.microsoft.com/en-us/library/ms792901.aspx is wrong.");
+ goto err_exit;
+ }
+
+ if ((dev_interface_details = (SP_DEVICE_INTERFACE_DETAIL_DATA_A*) calloc(size, 1)) == NULL) {
+ usbi_err(ctx, "could not allocate interface data for index %u.", _index);
+ goto err_exit;
+ }
+
+ dev_interface_details->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_A);
+ if (!pSetupDiGetDeviceInterfaceDetailA(*dev_info, &dev_interface_data,
+ dev_interface_details, size, &size, NULL)) {
+ usbi_err(ctx, "could not access interface data (actual) for index %u: %s",
+ _index, windows_error_str(0));
+ }
+
+ return dev_interface_details;
+
+err_exit:
+ pSetupDiDestroyDeviceInfoList(*dev_info);
+ *dev_info = INVALID_HANDLE_VALUE;
+ return NULL;
+}
+
+/* For libusb0 filter */
+static SP_DEVICE_INTERFACE_DETAIL_DATA_A *get_interface_details_filter(struct libusb_context *ctx,
+ HDEVINFO *dev_info, SP_DEVINFO_DATA *dev_info_data, const GUID* guid, unsigned _index, char* filter_path){
+ SP_DEVICE_INTERFACE_DATA dev_interface_data;
+ SP_DEVICE_INTERFACE_DETAIL_DATA_A *dev_interface_details = NULL;
+ DWORD size;
+ if (_index <= 0) {
+ *dev_info = pSetupDiGetClassDevsA(guid, NULL, NULL, DIGCF_PRESENT|DIGCF_DEVICEINTERFACE);
+ }
+ if (dev_info_data != NULL) {
+ dev_info_data->cbSize = sizeof(SP_DEVINFO_DATA);
+ if (!pSetupDiEnumDeviceInfo(*dev_info, _index, dev_info_data)) {
+ if (GetLastError() != ERROR_NO_MORE_ITEMS) {
+ usbi_err(ctx, "Could not obtain device info data for index %u: %s",
+ _index, windows_error_str(0));
+ }
+ pSetupDiDestroyDeviceInfoList(*dev_info);
+ *dev_info = INVALID_HANDLE_VALUE;
+ return NULL;
+ }
+ }
+ dev_interface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
+ if (!pSetupDiEnumDeviceInterfaces(*dev_info, NULL, guid, _index, &dev_interface_data)) {
+ if (GetLastError() != ERROR_NO_MORE_ITEMS) {
+ usbi_err(ctx, "Could not obtain interface data for index %u: %s",
+ _index, windows_error_str(0));
+ }
+ pSetupDiDestroyDeviceInfoList(*dev_info);
+ *dev_info = INVALID_HANDLE_VALUE;
+ return NULL;
+ }
+ // Read interface data (dummy + actual) to access the device path
+ if (!pSetupDiGetDeviceInterfaceDetailA(*dev_info, &dev_interface_data, NULL, 0, &size, NULL)) {
+ // The dummy call should fail with ERROR_INSUFFICIENT_BUFFER
+ if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) {
+ usbi_err(ctx, "could not access interface data (dummy) for index %u: %s",
+ _index, windows_error_str(0));
+ goto err_exit;
+ }
+ } else {
+ usbi_err(ctx, "program assertion failed - http://msdn.microsoft.com/en-us/library/ms792901.aspx is wrong.");
+ goto err_exit;
+ }
+ if ((dev_interface_details = malloc(size)) == NULL) {
+ usbi_err(ctx, "could not allocate interface data for index %u.", _index);
+ goto err_exit;
+ }
+ dev_interface_details->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_A);
+ if (!pSetupDiGetDeviceInterfaceDetailA(*dev_info, &dev_interface_data,
+ dev_interface_details, size, &size, NULL)) {
+ usbi_err(ctx, "could not access interface data (actual) for index %u: %s",
+ _index, windows_error_str(0));
+ }
+ // [trobinso] lookup the libusb0 symbolic index.
+ if (dev_interface_details) {
+ HKEY hkey_device_interface=pSetupDiOpenDeviceInterfaceRegKey(*dev_info,&dev_interface_data,0,KEY_READ);
+ if (hkey_device_interface != INVALID_HANDLE_VALUE) {
+ DWORD libusb0_symboliclink_index=0;
+ DWORD value_length=sizeof(DWORD);
+ DWORD value_type=0;
+ LONG status;
+ status = pRegQueryValueExW(hkey_device_interface, L"LUsb0", NULL, &value_type,
+ (LPBYTE) &libusb0_symboliclink_index, &value_length);
+ if (status == ERROR_SUCCESS) {
+ if (libusb0_symboliclink_index < 256) {
+ // libusb0.sys is connected to this device instance.
+ // If the the device interface guid is {F9F3FF14-AE21-48A0-8A25-8011A7A931D9} then it's a filter.
+ safe_sprintf(filter_path, sizeof("\\\\.\\libusb0-0000"), "\\\\.\\libusb0-%04u", (unsigned int)libusb0_symboliclink_index);
+ usbi_dbg("assigned libusb0 symbolic link %s", filter_path);
+ } else {
+ // libusb0.sys was connected to this device instance at one time; but not anymore.
+ }
+ }
+ pRegCloseKey(hkey_device_interface);
+ }
+ }
+ return dev_interface_details;
+err_exit:
+ pSetupDiDestroyDeviceInfoList(*dev_info);
+ *dev_info = INVALID_HANDLE_VALUE;
+ return NULL;}
+
+/*
+ * Returns the session ID of a device's nth level ancestor
+ * If there's no device at the nth level, return 0
+ */
+static unsigned long get_ancestor_session_id(DWORD devinst, unsigned level)
+{
+ DWORD parent_devinst;
+ unsigned long session_id = 0;
+ char* sanitized_path = NULL;
+ char path[MAX_PATH_LENGTH];
+ unsigned i;
+
+ if (level < 1) return 0;
+ for (i = 0; i<level; i++) {
+ if (CM_Get_Parent(&parent_devinst, devinst, 0) != CR_SUCCESS) {
+ return 0;
+ }
+ devinst = parent_devinst;
+ }
+ if (CM_Get_Device_IDA(devinst, path, MAX_PATH_LENGTH, 0) != CR_SUCCESS) {
+ return 0;
+ }
+ // TODO: (post hotplug): try without sanitizing
+ sanitized_path = sanitize_path(path);
+ if (sanitized_path == NULL) {
+ return 0;
+ }
+ session_id = htab_hash(sanitized_path);
+ safe_free(sanitized_path);
+ return session_id;
+}
+
+/*
+ * Determine which interface the given endpoint address belongs to
+ */
+static int get_interface_by_endpoint(struct libusb_config_descriptor *conf_desc, uint8_t ep)
+{
+ const struct libusb_interface *intf;
+ const struct libusb_interface_descriptor *intf_desc;
+ int i, j, k;
+
+ for (i = 0; i < conf_desc->bNumInterfaces; i++) {
+ intf = &conf_desc->interface[i];
+ for (j = 0; j < intf->num_altsetting; j++) {
+ intf_desc = &intf->altsetting[j];
+ for (k = 0; k < intf_desc->bNumEndpoints; k++) {
+ if (intf_desc->endpoint[k].bEndpointAddress == ep) {
+ usbi_dbg("found endpoint %02X on interface %d", intf_desc->bInterfaceNumber, i);
+ return intf_desc->bInterfaceNumber;
+ }
+ }
+ }
+ }
+
+ usbi_dbg("endpoint %02X not found on any interface", ep);
+ return LIBUSB_ERROR_NOT_FOUND;
+}
+
+/*
+ * Populate the endpoints addresses of the device_priv interface helper structs
+ */
+static int windows_assign_endpoints(struct libusb_device_handle *dev_handle, int iface, int altsetting)
+{
+ int i, r;
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ struct libusb_config_descriptor *conf_desc;
+ const struct libusb_interface_descriptor *if_desc;
+ struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
+
+ r = libusb_get_config_descriptor(dev_handle->dev, (uint8_t)(priv->active_config-1), &conf_desc);
+ if (r != LIBUSB_SUCCESS) {
+ usbi_warn(ctx, "could not read config descriptor: error %d", r);
+ return r;
+ }
+
+ if_desc = &conf_desc->interface[iface].altsetting[altsetting];
+ safe_free(priv->usb_interface[iface].endpoint);
+
+ if (if_desc->bNumEndpoints == 0) {
+ usbi_dbg("no endpoints found for interface %d", iface);
+ libusb_free_config_descriptor(conf_desc);
+ return LIBUSB_SUCCESS;
+ }
+
+ priv->usb_interface[iface].endpoint = (uint8_t*) malloc(if_desc->bNumEndpoints);
+ if (priv->usb_interface[iface].endpoint == NULL) {
+ libusb_free_config_descriptor(conf_desc);
+ return LIBUSB_ERROR_NO_MEM;
+ }
+
+ priv->usb_interface[iface].nb_endpoints = if_desc->bNumEndpoints;
+ for (i=0; i<if_desc->bNumEndpoints; i++) {
+ priv->usb_interface[iface].endpoint[i] = if_desc->endpoint[i].bEndpointAddress;
+ usbi_dbg("(re)assigned endpoint %02X to interface %d", priv->usb_interface[iface].endpoint[i], iface);
+ }
+ libusb_free_config_descriptor(conf_desc);
+
+ // Extra init may be required to configure endpoints
+ return priv->apib->configure_endpoints(SUB_API_NOTSET, dev_handle, iface);
+}
+
+// Lookup for a match in the list of API driver names
+// return -1 if not found, driver match number otherwise
+static int get_sub_api(char* driver, int api){
+ int i;
+ const char sep_str[2] = {LIST_SEPARATOR, 0};
+ char *tok, *tmp_str;
+ size_t len = safe_strlen(driver);
+
+ if (len == 0) return SUB_API_NOTSET;
+ tmp_str = (char*) calloc(len+1, 1);
+ if (tmp_str == NULL) return SUB_API_NOTSET;
+ memcpy(tmp_str, driver, len+1);
+ tok = strtok(tmp_str, sep_str);
+ while (tok != NULL) {
+ for (i=0; i<usb_api_backend[api].nb_driver_names; i++) {
+ if (safe_stricmp(tok, usb_api_backend[api].driver_name_list[i]) == 0) {
+ free(tmp_str);
+ return i;
+ }
+ }
+ tok = strtok(NULL, sep_str);
+ }
+ free (tmp_str);
+ return SUB_API_NOTSET;
+}
+
+/*
+ * auto-claiming and auto-release helper functions
+ */
+static int auto_claim(struct libusb_transfer *transfer, int *interface_number, int api_type)
+{
+ struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(
+ transfer->dev_handle);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+ int current_interface = *interface_number;
+ int r = LIBUSB_SUCCESS;
+
+ switch(api_type) {
+ case USB_API_WINUSBX:
+ case USB_API_HID:
+ break;
+ default:
+ return LIBUSB_ERROR_INVALID_PARAM;
+ }
+
+ usbi_mutex_lock(&autoclaim_lock);
+ if (current_interface < 0) // No serviceable interface was found
+ {
+ for (current_interface=0; current_interface<USB_MAXINTERFACES; current_interface++) {
+ // Must claim an interface of the same API type
+ if ( (priv->usb_interface[current_interface].apib->id == api_type)
+ && (libusb_claim_interface(transfer->dev_handle, current_interface) == LIBUSB_SUCCESS) ) {
+ usbi_dbg("auto-claimed interface %d for control request", current_interface);
+ if (handle_priv->autoclaim_count[current_interface] != 0) {
+ usbi_warn(ctx, "program assertion failed - autoclaim_count was nonzero");
+ }
+ handle_priv->autoclaim_count[current_interface]++;
+ break;
+ }
+ }
+ if (current_interface == USB_MAXINTERFACES) {
+ usbi_err(ctx, "could not auto-claim any interface");
+ r = LIBUSB_ERROR_NOT_FOUND;
+ }
+ } else {
+ // If we have a valid interface that was autoclaimed, we must increment
+ // its autoclaim count so that we can prevent an early release.
+ if (handle_priv->autoclaim_count[current_interface] != 0) {
+ handle_priv->autoclaim_count[current_interface]++;
+ }
+ }
+ usbi_mutex_unlock(&autoclaim_lock);
+
+ *interface_number = current_interface;
+ return r;
+
+}
+
+static void auto_release(struct usbi_transfer *itransfer)
+{
+ struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ libusb_device_handle *dev_handle = transfer->dev_handle;
+ struct windows_device_handle_priv* handle_priv = _device_handle_priv(dev_handle);
+ int r;
+
+ usbi_mutex_lock(&autoclaim_lock);
+ if (handle_priv->autoclaim_count[transfer_priv->interface_number] > 0) {
+ handle_priv->autoclaim_count[transfer_priv->interface_number]--;
+ if (handle_priv->autoclaim_count[transfer_priv->interface_number] == 0) {
+ r = libusb_release_interface(dev_handle, transfer_priv->interface_number);
+ if (r == LIBUSB_SUCCESS) {
+ usbi_dbg("auto-released interface %d", transfer_priv->interface_number);
+ } else {
+ usbi_dbg("failed to auto-release interface %d (%s)",
+ transfer_priv->interface_number, libusb_error_name((enum libusb_error)r));
+ }
+ }
+ }
+ usbi_mutex_unlock(&autoclaim_lock);
+}
+
+/* Windows version dtection */
+static BOOL is_x64(void)
+{
+ BOOL ret = FALSE;
+ // Detect if we're running a 32 or 64 bit system
+ if (sizeof(uintptr_t) < 8) {
+ DLL_LOAD_PREFIXED(Kernel32.dll, p, IsWow64Process, FALSE);
+ if (pIsWow64Process != NULL) {
+ (*pIsWow64Process)(GetCurrentProcess(), &ret);
+ }
+ } else {
+ ret = TRUE;
+ }
+ return ret;
+}
+
+static void get_windows_version(void)
+{
+ OSVERSIONINFOEXA vi, vi2;
+ const char* w = 0;
+ const char* w64 = "32 bit";
+ char* vptr;
+ size_t vlen;
+ unsigned major, minor;
+ ULONGLONG major_equal, minor_equal;
+ BOOL ws;
+
+ memset(&vi, 0, sizeof(vi));
+ vi.dwOSVersionInfoSize = sizeof(vi);
+ if (!GetVersionExA((OSVERSIONINFOA *)&vi)) {
+ memset(&vi, 0, sizeof(vi));
+ vi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
+ if (!GetVersionExA((OSVERSIONINFOA *)&vi))
+ return;
+ }
+
+ if (vi.dwPlatformId == VER_PLATFORM_WIN32_NT) {
+
+ if (vi.dwMajorVersion > 6 || (vi.dwMajorVersion == 6 && vi.dwMinorVersion >= 2)) {
+ // Starting with Windows 8.1 Preview, GetVersionEx() does no longer report the actual OS version
+ // See: http://msdn.microsoft.com/en-us/library/windows/desktop/dn302074.aspx
+
+ major_equal = VerSetConditionMask(0, VER_MAJORVERSION, VER_EQUAL);
+ for (major = vi.dwMajorVersion; major <= 9; major++) {
+ memset(&vi2, 0, sizeof(vi2));
+ vi2.dwOSVersionInfoSize = sizeof(vi2); vi2.dwMajorVersion = major;
+ if (!VerifyVersionInfoA(&vi2, VER_MAJORVERSION, major_equal))
+ continue;
+ if (vi.dwMajorVersion < major) {
+ vi.dwMajorVersion = major; vi.dwMinorVersion = 0;
+ }
+
+ minor_equal = VerSetConditionMask(0, VER_MINORVERSION, VER_EQUAL);
+ for (minor = vi.dwMinorVersion; minor <= 9; minor++) {
+ memset(&vi2, 0, sizeof(vi2)); vi2.dwOSVersionInfoSize = sizeof(vi2);
+ vi2.dwMinorVersion = minor;
+ if (!VerifyVersionInfoA(&vi2, VER_MINORVERSION, minor_equal))
+ continue;
+ vi.dwMinorVersion = minor;
+ break;
+ }
+
+ break;
+ }
+ }
+
+ if (vi.dwMajorVersion <= 0xf && vi.dwMinorVersion <= 0xf) {
+ ws = (vi.wProductType <= VER_NT_WORKSTATION);
+ windows_version = vi.dwMajorVersion << 4 | vi.dwMinorVersion;
+ switch (windows_version) {
+ case 0x50: w = "2000";
+ break;
+ case 0x51: w = "XP";
+ break;
+ case 0x52: w = ("2003");
+ break;
+ case 0x60: w = (ws?"Vista":"2008");
+ break;
+ case 0x61: w = (ws?"7":"2008_R2");
+ break;
+ case 0x62: w = (ws?"8":"2012");
+ break;
+ case 0x63: w = (ws?"8.1":"2012_R2");
+ break;
+ case 0x64: w = (ws?"10":"2015");
+ break;
+ default:
+ if (windows_version < 0x50)
+ windows_version = WINDOWS_UNSUPPORTED;
+ else
+ w = "11 or later";
+ break;
+ }
+ }
+ }
+
+ if (is_x64())
+ w64 = "64-bit";
+
+ vptr = &windows_version_str[sizeof("Windows ") - 1];
+ vlen = sizeof(windows_version_str) - sizeof("Windows ") - 1;
+ if (!w)
+ safe_sprintf(vptr, vlen, "%s %u.%u %s", (vi.dwPlatformId==VER_PLATFORM_WIN32_NT?"NT":"??"),
+ (unsigned int)vi.dwMajorVersion, (unsigned int)vi.dwMinorVersion, w64);
+ else if (vi.wServicePackMinor)
+ safe_sprintf(vptr, vlen, "%s SP%u.%u %s", w, vi.wServicePackMajor, vi.wServicePackMinor, w64);
+ else if (vi.wServicePackMajor)
+ safe_sprintf(vptr, vlen, "%s SP%u %s", w, vi.wServicePackMajor, w64);
+ else
+ safe_sprintf(vptr, vlen, "%s %s", w, w64);
+}
+
+/*
+ * init: libusb backend init function
+ *
+ * This function enumerates the HCDs (Host Controller Drivers) and populates our private HCD list
+ * In our implementation, we equate Windows' "HCD" to libusb's "bus". Note that bus is zero indexed.
+ * HCDs are not expected to change after init (might not hold true for hot pluggable USB PCI card?)
+ */
+static int windows_init(struct libusb_context *ctx)
+{
+ int i, r = LIBUSB_ERROR_OTHER;
+ HANDLE semaphore;
+ char sem_name[11+1+8]; // strlen(libusb_init)+'\0'+(32-bit hex PID)
+
+ sprintf(sem_name, "libusb_init%08X", (unsigned int)GetCurrentProcessId());
+ semaphore = CreateSemaphoreA(NULL, 1, 1, sem_name);
+ if (semaphore == NULL) {
+ usbi_err(ctx, "could not create semaphore: %s", windows_error_str(0));
+ return LIBUSB_ERROR_NO_MEM;
+ }
+
+ // A successful wait brings our semaphore count to 0 (unsignaled)
+ // => any concurent wait stalls until the semaphore's release
+ if (WaitForSingleObject(semaphore, INFINITE) != WAIT_OBJECT_0) {
+ usbi_err(ctx, "failure to access semaphore: %s", windows_error_str(0));
+ CloseHandle(semaphore);
+ return LIBUSB_ERROR_NO_MEM;
+ }
+
+ // NB: concurrent usage supposes that init calls are equally balanced with
+ // exit calls. If init is called more than exit, we will not exit properly
+ if ( ++concurrent_usage == 0 ) { // First init?
+ get_windows_version();
+ usbi_dbg(windows_version_str);
+ if (windows_version == WINDOWS_UNSUPPORTED) {
+ usbi_err(ctx, "This version of Windows is NOT supported");
+ r = LIBUSB_ERROR_NOT_SUPPORTED;
+ goto init_exit;
+ }
+
+ // We need a lock for proper auto-release
+ usbi_mutex_init(&autoclaim_lock, NULL);
+
+ // Initialize pollable file descriptors
+ init_polling();
+
+ // Load DLL imports
+ if (init_dlls() != LIBUSB_SUCCESS) {
+ usbi_err(ctx, "could not resolve DLL functions");
+ goto init_exit;
+ }
+
+ // Initialize the low level APIs (we don't care about errors at this stage)
+ for (i=0; i<USB_API_MAX; i++) {
+ usb_api_backend[i].init(SUB_API_NOTSET, ctx);
+ }
+
+ r = windows_common_init(ctx);
+ if (r) {
+ goto init_exit;
+ }
+ }
+ // At this stage, either we went through full init successfully, or didn't need to
+ r = LIBUSB_SUCCESS;
+
+init_exit: // Holds semaphore here.
+ if (!concurrent_usage && r != LIBUSB_SUCCESS) { // First init failed?
+ windows_common_exit();
+ usbi_mutex_destroy(&autoclaim_lock);
+ }
+
+ if (r != LIBUSB_SUCCESS)
+ --concurrent_usage; // Not expected to call libusb_exit if we failed.
+
+ ReleaseSemaphore(semaphore, 1, NULL); // increase count back to 1
+ CloseHandle(semaphore);
+ return r;
+}
+
+/*
+ * HCD (root) hubs need to have their device descriptor manually populated
+ *
+ * Note that, like Microsoft does in the device manager, we populate the
+ * Vendor and Device ID for HCD hubs with the ones from the PCI HCD device.
+ */
+static int force_hcd_device_descriptor(struct libusb_device *dev)
+{
+ struct windows_device_priv *parent_priv, *priv = _device_priv(dev);
+ struct libusb_context *ctx = DEVICE_CTX(dev);
+ int vid, pid;
+
+ dev->num_configurations = 1;
+ priv->dev_descriptor.bLength = sizeof(USB_DEVICE_DESCRIPTOR);
+ priv->dev_descriptor.bDescriptorType = USB_DEVICE_DESCRIPTOR_TYPE;
+ priv->dev_descriptor.bNumConfigurations = 1;
+ priv->active_config = 1;
+
+ if (priv->parent_dev == NULL) {
+ usbi_err(ctx, "program assertion failed - HCD hub has no parent");
+ return LIBUSB_ERROR_NO_DEVICE;
+ }
+ parent_priv = _device_priv(priv->parent_dev);
+ if (sscanf(parent_priv->path, "\\\\.\\PCI#VEN_%04x&DEV_%04x%*s", &vid, &pid) == 2) {
+ priv->dev_descriptor.idVendor = (uint16_t)vid;
+ priv->dev_descriptor.idProduct = (uint16_t)pid;
+ } else {
+ usbi_warn(ctx, "could not infer VID/PID of HCD hub from '%s'", parent_priv->path);
+ priv->dev_descriptor.idVendor = 0x1d6b; // Linux Foundation root hub
+ priv->dev_descriptor.idProduct = 1;
+ }
+ return LIBUSB_SUCCESS;
+}
+
+/*
+ * fetch and cache all the config descriptors through I/O
+ */
+static int cache_config_descriptors(struct libusb_device *dev, HANDLE hub_handle, char* device_id)
+{
+ DWORD size, ret_size;
+ struct libusb_context *ctx = DEVICE_CTX(dev);
+ struct windows_device_priv *priv = _device_priv(dev);
+ int r;
+ uint8_t i;
+
+ USB_CONFIGURATION_DESCRIPTOR_SHORT cd_buf_short; // dummy request
+ PUSB_DESCRIPTOR_REQUEST cd_buf_actual = NULL; // actual request
+ PUSB_CONFIGURATION_DESCRIPTOR cd_data = NULL;
+
+ if (dev->num_configurations == 0)
+ return LIBUSB_ERROR_INVALID_PARAM;
+
+ priv->config_descriptor = (unsigned char**) calloc(dev->num_configurations, sizeof(unsigned char*));
+ if (priv->config_descriptor == NULL)
+ return LIBUSB_ERROR_NO_MEM;
+ for (i=0; i<dev->num_configurations; i++)
+ priv->config_descriptor[i] = NULL;
+
+ for (i=0, r=LIBUSB_SUCCESS; ; i++)
+ {
+ // safe loop: release all dynamic resources
+ safe_free(cd_buf_actual);
+
+ // safe loop: end of loop condition
+ if ((i >= dev->num_configurations) || (r != LIBUSB_SUCCESS))
+ break;
+
+ size = sizeof(USB_CONFIGURATION_DESCRIPTOR_SHORT);
+ memset(&cd_buf_short, 0, size);
+
+ cd_buf_short.req.ConnectionIndex = (ULONG)priv->port;
+ cd_buf_short.req.SetupPacket.bmRequest = LIBUSB_ENDPOINT_IN;
+ cd_buf_short.req.SetupPacket.bRequest = USB_REQUEST_GET_DESCRIPTOR;
+ cd_buf_short.req.SetupPacket.wValue = (USB_CONFIGURATION_DESCRIPTOR_TYPE << 8) | i;
+ cd_buf_short.req.SetupPacket.wIndex = 0;
+ cd_buf_short.req.SetupPacket.wLength = (USHORT)(size - sizeof(USB_DESCRIPTOR_REQUEST));
+
+ // Dummy call to get the required data size. Initial failures are reported as info rather
+ // than error as they can occur for non-penalizing situations, such as with some hubs.
+ // coverity[tainted_data_argument]
+ if (!DeviceIoControl(hub_handle, IOCTL_USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION, &cd_buf_short, size,
+ &cd_buf_short, size, &ret_size, NULL)) {
+ usbi_info(ctx, "could not access configuration descriptor (dummy) for '%s': %s", device_id, windows_error_str(0));
+ LOOP_BREAK(LIBUSB_ERROR_IO);
+ }
+
+ if ((ret_size != size) || (cd_buf_short.data.wTotalLength < sizeof(USB_CONFIGURATION_DESCRIPTOR))) {
+ usbi_info(ctx, "unexpected configuration descriptor size (dummy) for '%s'.", device_id);
+ LOOP_BREAK(LIBUSB_ERROR_IO);
+ }
+
+ size = sizeof(USB_DESCRIPTOR_REQUEST) + cd_buf_short.data.wTotalLength;
+ if ((cd_buf_actual = (PUSB_DESCRIPTOR_REQUEST) calloc(1, size)) == NULL) {
+ usbi_err(ctx, "could not allocate configuration descriptor buffer for '%s'.", device_id);
+ LOOP_BREAK(LIBUSB_ERROR_NO_MEM);
+ }
+ memset(cd_buf_actual, 0, size);
+
+ // Actual call
+ cd_buf_actual->ConnectionIndex = (ULONG)priv->port;
+ cd_buf_actual->SetupPacket.bmRequest = LIBUSB_ENDPOINT_IN;
+ cd_buf_actual->SetupPacket.bRequest = USB_REQUEST_GET_DESCRIPTOR;
+ cd_buf_actual->SetupPacket.wValue = (USB_CONFIGURATION_DESCRIPTOR_TYPE << 8) | i;
+ cd_buf_actual->SetupPacket.wIndex = 0;
+ cd_buf_actual->SetupPacket.wLength = (USHORT)(size - sizeof(USB_DESCRIPTOR_REQUEST));
+
+ if (!DeviceIoControl(hub_handle, IOCTL_USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION, cd_buf_actual, size,
+ cd_buf_actual, size, &ret_size, NULL)) {
+ usbi_err(ctx, "could not access configuration descriptor (actual) for '%s': %s", device_id, windows_error_str(0));
+ LOOP_BREAK(LIBUSB_ERROR_IO);
+ }
+
+ cd_data = (PUSB_CONFIGURATION_DESCRIPTOR)((UCHAR*)cd_buf_actual+sizeof(USB_DESCRIPTOR_REQUEST));
+
+ if ((size != ret_size) || (cd_data->wTotalLength != cd_buf_short.data.wTotalLength)) {
+ usbi_err(ctx, "unexpected configuration descriptor size (actual) for '%s'.", device_id);
+ LOOP_BREAK(LIBUSB_ERROR_IO);
+ }
+
+ if (cd_data->bDescriptorType != USB_CONFIGURATION_DESCRIPTOR_TYPE) {
+ usbi_err(ctx, "not a configuration descriptor for '%s'", device_id);
+ LOOP_BREAK(LIBUSB_ERROR_IO);
+ }
+
+ usbi_dbg("cached config descriptor %d (bConfigurationValue=%u, %u bytes)",
+ i, cd_data->bConfigurationValue, cd_data->wTotalLength);
+
+ // Cache the descriptor
+ priv->config_descriptor[i] = (unsigned char*) malloc(cd_data->wTotalLength);
+ if (priv->config_descriptor[i] == NULL)
+ LOOP_BREAK(LIBUSB_ERROR_NO_MEM);
+ memcpy(priv->config_descriptor[i], cd_data, cd_data->wTotalLength);
+ }
+ return LIBUSB_SUCCESS;
+}
+
+/*
+ * Populate a libusb device structure
+ */
+static int init_device(struct libusb_device* dev, struct libusb_device* parent_dev,
+ uint8_t port_number, char* device_id, DWORD devinst)
+{
+ HANDLE handle;
+ DWORD size;
+ USB_NODE_CONNECTION_INFORMATION_EX conn_info;
+ USB_NODE_CONNECTION_INFORMATION_EX_V2 conn_info_v2;
+ struct windows_device_priv *priv, *parent_priv;
+ struct libusb_context *ctx;
+ struct libusb_device* tmp_dev;
+ unsigned long tmp_id;
+ unsigned i;
+
+ if ((dev == NULL) || (parent_dev == NULL)) {
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+ ctx = DEVICE_CTX(dev);
+ priv = _device_priv(dev);
+ parent_priv = _device_priv(parent_dev);
+ if (parent_priv->apib->id != USB_API_HUB) {
+ usbi_warn(ctx, "parent for device '%s' is not a hub", device_id);
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+
+ // It is possible for the parent hub not to have been initialized yet
+ // If that's the case, lookup the ancestors to set the bus number
+ if (parent_dev->bus_number == 0) {
+ for (i=2; ; i++) {
+ tmp_id = get_ancestor_session_id(devinst, i);
+ if (tmp_id == 0) break;
+ tmp_dev = usbi_get_device_by_session_id(ctx, tmp_id);
+ if (tmp_dev == NULL) continue;
+ if (tmp_dev->bus_number != 0) {
+ usbi_dbg("got bus number from ancestor #%u", i);
+ parent_dev->bus_number = tmp_dev->bus_number;
+ libusb_unref_device(tmp_dev);
+ break;
+ }
+ libusb_unref_device(tmp_dev);
+ }
+ }
+ if (parent_dev->bus_number == 0) {
+ usbi_err(ctx, "program assertion failed: unable to find ancestor bus number for '%s'", device_id);
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+ dev->bus_number = parent_dev->bus_number;
+ priv->port = port_number;
+ dev->port_number = port_number;
+ priv->depth = parent_priv->depth + 1;
+ priv->parent_dev = parent_dev;
+ dev->parent_dev = parent_dev;
+
+ // If the device address is already set, we can stop here
+ if (dev->device_address != 0) {
+ return LIBUSB_SUCCESS;
+ }
+ memset(&conn_info, 0, sizeof(conn_info));
+ if (priv->depth != 0) { // Not a HCD hub
+ handle = CreateFileA(parent_priv->path, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
+ FILE_FLAG_OVERLAPPED, NULL);
+ if (handle == INVALID_HANDLE_VALUE) {
+ usbi_warn(ctx, "could not open hub %s: %s", parent_priv->path, windows_error_str(0));
+ return LIBUSB_ERROR_ACCESS;
+ }
+ size = sizeof(conn_info);
+ conn_info.ConnectionIndex = (ULONG)port_number;
+ // coverity[tainted_data_argument]
+ if (!DeviceIoControl(handle, IOCTL_USB_GET_NODE_CONNECTION_INFORMATION_EX, &conn_info, size,
+ &conn_info, size, &size, NULL)) {
+ usbi_warn(ctx, "could not get node connection information for device '%s': %s",
+ device_id, windows_error_str(0));
+ safe_closehandle(handle);
+ return LIBUSB_ERROR_NO_DEVICE;
+ }
+ if (conn_info.ConnectionStatus == NoDeviceConnected) {
+ usbi_err(ctx, "device '%s' is no longer connected!", device_id);
+ safe_closehandle(handle);
+ return LIBUSB_ERROR_NO_DEVICE;
+ }
+ memcpy(&priv->dev_descriptor, &(conn_info.DeviceDescriptor), sizeof(USB_DEVICE_DESCRIPTOR));
+ dev->num_configurations = priv->dev_descriptor.bNumConfigurations;
+ priv->active_config = conn_info.CurrentConfigurationValue;
+ usbi_dbg("found %u configurations (active conf: %u)", dev->num_configurations, priv->active_config);
+ // If we can't read the config descriptors, just set the number of confs to zero
+ if (cache_config_descriptors(dev, handle, device_id) != LIBUSB_SUCCESS) {
+ dev->num_configurations = 0;
+ priv->dev_descriptor.bNumConfigurations = 0;
+ }
+
+ // In their great wisdom, Microsoft decided to BREAK the USB speed report between Windows 7 and Windows 8
+ if (windows_version >= WINDOWS_8) {
+ memset(&conn_info_v2, 0, sizeof(conn_info_v2));
+ size = sizeof(conn_info_v2);
+ conn_info_v2.ConnectionIndex = (ULONG)port_number;
+ conn_info_v2.Length = size;
+ conn_info_v2.SupportedUsbProtocols.Usb300 = 1;
+ if (!DeviceIoControl(handle, IOCTL_USB_GET_NODE_CONNECTION_INFORMATION_EX_V2,
+ &conn_info_v2, size, &conn_info_v2, size, &size, NULL)) {
+ usbi_warn(ctx, "could not get node connection information (V2) for device '%s': %s",
+ device_id, windows_error_str(0));
+ } else if (conn_info_v2.Flags.DeviceIsOperatingAtSuperSpeedOrHigher) {
+ conn_info.Speed = 3;
+ }
+ }
+
+ safe_closehandle(handle);
+
+ if (conn_info.DeviceAddress > UINT8_MAX) {
+ usbi_err(ctx, "program assertion failed: device address overflow");
+ }
+ dev->device_address = (uint8_t)conn_info.DeviceAddress + 1;
+ if (dev->device_address == 1) {
+ usbi_err(ctx, "program assertion failed: device address collision with root hub");
+ }
+ switch (conn_info.Speed) {
+ case 0: dev->speed = LIBUSB_SPEED_LOW; break;
+ case 1: dev->speed = LIBUSB_SPEED_FULL; break;
+ case 2: dev->speed = LIBUSB_SPEED_HIGH; break;
+ case 3: dev->speed = LIBUSB_SPEED_SUPER; break;
+ default:
+ usbi_warn(ctx, "Got unknown device speed %u", conn_info.Speed);
+ break;
+ }
+ } else {
+ dev->device_address = 1; // root hubs are set to use device number 1
+ force_hcd_device_descriptor(dev);
+ }
+
+ usbi_sanitize_device(dev);
+
+ usbi_dbg("(bus: %u, addr: %u, depth: %u, port: %u): '%s'",
+ dev->bus_number, dev->device_address, priv->depth, priv->port, device_id);
+
+ return LIBUSB_SUCCESS;
+}
+
+// Returns the api type, or 0 if not found/unsupported
+static void get_api_type(struct libusb_context *ctx, HDEVINFO *dev_info,
+ SP_DEVINFO_DATA *dev_info_data, int *api, int *sub_api)
+{
+ // Precedence for filter drivers vs driver is in the order of this array
+ struct driver_lookup lookup[3] = {
+ {"\0\0", SPDRP_SERVICE, "driver"},
+ {"\0\0", SPDRP_UPPERFILTERS, "upper filter driver"},
+ {"\0\0", SPDRP_LOWERFILTERS, "lower filter driver"}
+ };
+ DWORD size, reg_type;
+ unsigned k, l;
+ int i, j;
+
+ *api = USB_API_UNSUPPORTED;
+ *sub_api = SUB_API_NOTSET;
+ // Check the service & filter names to know the API we should use
+ for (k=0; k<3; k++) {
+ if (pSetupDiGetDeviceRegistryPropertyA(*dev_info, dev_info_data, lookup[k].reg_prop,
+ ®_type, (BYTE*)lookup[k].list, MAX_KEY_LENGTH, &size)) {
+ // Turn the REG_SZ SPDRP_SERVICE into REG_MULTI_SZ
+ if (lookup[k].reg_prop == SPDRP_SERVICE) {
+ // our buffers are MAX_KEY_LENGTH+1 so we can overflow if needed
+ lookup[k].list[safe_strlen(lookup[k].list)+1] = 0;
+ }
+ // MULTI_SZ is a pain to work with. Turn it into something much more manageable
+ // NB: none of the driver names we check against contain LIST_SEPARATOR,
+ // (currently ';'), so even if an unsuported one does, it's not an issue
+ for (l=0; (lookup[k].list[l] != 0) || (lookup[k].list[l+1] != 0); l++) {
+ if (lookup[k].list[l] == 0) {
+ lookup[k].list[l] = LIST_SEPARATOR;
+ }
+ }
+ usbi_dbg("%s(s): %s", lookup[k].designation, lookup[k].list);
+ } else {
+ if (GetLastError() != ERROR_INVALID_DATA) {
+ usbi_dbg("could not access %s: %s", lookup[k].designation, windows_error_str(0));
+ }
+ lookup[k].list[0] = 0;
+ }
+ }
+
+ for (i=1; i<USB_API_MAX; i++) {
+ for (k=0; k<3; k++) {
+ j = get_sub_api(lookup[k].list, i);
+ if (j >= 0) {
+ usbi_dbg("matched %s name against %s",
+ lookup[k].designation, (i!=USB_API_WINUSBX)?usb_api_backend[i].designation:sub_api_name[j]);
+ *api = i;
+ *sub_api = j;
+ return;
+ }
+ }
+ }
+}
+
+static int set_composite_interface(struct libusb_context* ctx, struct libusb_device* dev,
+ char* dev_interface_path, char* device_id, int api, int sub_api)
+{
+ unsigned i;
+ struct windows_device_priv *priv = _device_priv(dev);
+ int interface_number;
+
+ if (priv->apib->id != USB_API_COMPOSITE) {
+ usbi_err(ctx, "program assertion failed: '%s' is not composite", device_id);
+ return LIBUSB_ERROR_NO_DEVICE;
+ }
+
+ // Because MI_## are not necessarily in sequential order (some composite
+ // devices will have only MI_00 & MI_03 for instance), we retrieve the actual
+ // interface number from the path's MI value
+ interface_number = 0;
+ for (i=0; device_id[i] != 0; ) {
+ if ( (device_id[i++] == 'M') && (device_id[i++] == 'I')
+ && (device_id[i++] == '_') ) {
+ interface_number = (device_id[i++] - '0')*10;
+ interface_number += device_id[i] - '0';
+ break;
+ }
+ }
+
+ if (device_id[i] == 0) {
+ usbi_warn(ctx, "failure to read interface number for %s. Using default value %d",
+ device_id, interface_number);
+ }
+
+ if (priv->usb_interface[interface_number].path != NULL) {
+ if (api == USB_API_HID) {
+ // HID devices can have multiple collections (COL##) for each MI_## interface
+ usbi_dbg("interface[%d] already set - ignoring HID collection: %s",
+ interface_number, device_id);
+ return LIBUSB_ERROR_ACCESS;
+ }
+ // In other cases, just use the latest data
+ safe_free(priv->usb_interface[interface_number].path);
+ }
+
+ usbi_dbg("interface[%d] = %s", interface_number, dev_interface_path);
+ priv->usb_interface[interface_number].path = dev_interface_path;
+ priv->usb_interface[interface_number].apib = &usb_api_backend[api];
+ priv->usb_interface[interface_number].sub_api = sub_api;
+ if ((api == USB_API_HID) && (priv->hid == NULL)) {
+ priv->hid = (struct hid_device_priv*) calloc(1, sizeof(struct hid_device_priv));
+ if (priv->hid == NULL)
+ return LIBUSB_ERROR_NO_MEM;
+ }
+
+ return LIBUSB_SUCCESS;
+}
+
+static int set_hid_interface(struct libusb_context* ctx, struct libusb_device* dev,
+ char* dev_interface_path)
+{
+ int i;
+ struct windows_device_priv *priv = _device_priv(dev);
+
+ if (priv->hid == NULL) {
+ usbi_err(ctx, "program assertion failed: parent is not HID");
+ return LIBUSB_ERROR_NO_DEVICE;
+ }
+ if (priv->hid->nb_interfaces == USB_MAXINTERFACES) {
+ usbi_err(ctx, "program assertion failed: max USB interfaces reached for HID device");
+ return LIBUSB_ERROR_NO_DEVICE;
+ }
+ for (i=0; i<priv->hid->nb_interfaces; i++) {
+ if (safe_strcmp(priv->usb_interface[i].path, dev_interface_path) == 0) {
+ usbi_dbg("interface[%d] already set to %s", i, dev_interface_path);
+ return LIBUSB_SUCCESS;
+ }
+ }
+
+ priv->usb_interface[priv->hid->nb_interfaces].path = dev_interface_path;
+ priv->usb_interface[priv->hid->nb_interfaces].apib = &usb_api_backend[USB_API_HID];
+ usbi_dbg("interface[%u] = %s", priv->hid->nb_interfaces, dev_interface_path);
+ priv->hid->nb_interfaces++;
+ return LIBUSB_SUCCESS;
+}
+
+/*
+ * get_device_list: libusb backend device enumeration function
+ */
+static int windows_get_device_list(struct libusb_context *ctx, struct discovered_devs **_discdevs)
+{
+ struct discovered_devs *discdevs;
+ HDEVINFO dev_info = { 0 };
+ const char* usb_class[] = {"USB", "NUSB3", "IUSB3"};
+ SP_DEVINFO_DATA dev_info_data = { 0 };
+ SP_DEVICE_INTERFACE_DETAIL_DATA_A *dev_interface_details = NULL;
+ GUID hid_guid;
+#define MAX_ENUM_GUIDS 64
+ const GUID* guid[MAX_ENUM_GUIDS];
+#define HCD_PASS 0
+#define HUB_PASS 1
+#define GEN_PASS 2
+#define DEV_PASS 3
+#define HID_PASS 4
+ int r = LIBUSB_SUCCESS;
+ int api, sub_api;
+ size_t class_index = 0;
+ unsigned int nb_guids, pass, i, j, ancestor;
+ char path[MAX_PATH_LENGTH];
+ char strbuf[MAX_PATH_LENGTH];
+ struct libusb_device *dev, *parent_dev;
+ struct windows_device_priv *priv, *parent_priv;
+ char* dev_interface_path = NULL;
+ char* dev_id_path = NULL;
+ unsigned long session_id;
+ DWORD size, reg_type, port_nr, install_state;
+ HKEY key;
+ WCHAR guid_string_w[MAX_GUID_STRING_LENGTH];
+ GUID* if_guid;
+ LONG s;
+ // Keep a list of newly allocated devs to unref
+ libusb_device** unref_list;
+ unsigned int unref_size = 64;
+ unsigned int unref_cur = 0;
+
+ // PASS 1 : (re)enumerate HCDs (allows for HCD hotplug)
+ // PASS 2 : (re)enumerate HUBS
+ // PASS 3 : (re)enumerate generic USB devices (including driverless)
+ // and list additional USB device interface GUIDs to explore
+ // PASS 4 : (re)enumerate master USB devices that have a device interface
+ // PASS 5+: (re)enumerate device interfaced GUIDs (including HID) and
+ // set the device interfaces.
+
+ // Init the GUID table
+ guid[HCD_PASS] = &GUID_DEVINTERFACE_USB_HOST_CONTROLLER;
+ guid[HUB_PASS] = &GUID_DEVINTERFACE_USB_HUB;
+ guid[GEN_PASS] = NULL;
+ guid[DEV_PASS] = &GUID_DEVINTERFACE_USB_DEVICE;
+ HidD_GetHidGuid(&hid_guid);
+ guid[HID_PASS] = &hid_guid;
+ nb_guids = HID_PASS+1;
+
+ unref_list = (libusb_device**) calloc(unref_size, sizeof(libusb_device*));
+ if (unref_list == NULL) {
+ return LIBUSB_ERROR_NO_MEM;
+ }
+
+ for (pass = 0; ((pass < nb_guids) && (r == LIBUSB_SUCCESS)); pass++) {
+//#define ENUM_DEBUG
+#ifdef ENUM_DEBUG
+ const char *passname[] = { "HCD", "HUB", "GEN", "DEV", "HID", "EXT" };
+ usbi_dbg("#### PROCESSING %ss %s", passname[(pass<=HID_PASS)?pass:HID_PASS+1],
+ (pass!=GEN_PASS)?guid_to_string(guid[pass]):"");
+#endif
+ for (i = 0; ; i++) {
+ // safe loop: free up any (unprotected) dynamic resource
+ // NB: this is always executed before breaking the loop
+ safe_free(dev_interface_details);
+ safe_free(dev_interface_path);
+ safe_free(dev_id_path);
+ priv = parent_priv = NULL;
+ dev = parent_dev = NULL;
+
+ // Safe loop: end of loop conditions
+ if (r != LIBUSB_SUCCESS) {
+ break;
+ }
+ if ((pass == HCD_PASS) && (i == UINT8_MAX)) {
+ usbi_warn(ctx, "program assertion failed - found more than %d buses, skipping the rest.", UINT8_MAX);
+ break;
+ }
+ if (pass != GEN_PASS) {
+ // Except for GEN, all passes deal with device interfaces
+ dev_interface_details = get_interface_details(ctx, &dev_info, &dev_info_data, guid[pass], i);
+ if (dev_interface_details == NULL) {
+ break;
+ } else {
+ dev_interface_path = sanitize_path(dev_interface_details->DevicePath);
+ if (dev_interface_path == NULL) {
+ usbi_warn(ctx, "could not sanitize device interface path for '%s'", dev_interface_details->DevicePath);
+ continue;
+ }
+ }
+ } else {
+ // Workaround for a Nec/Renesas USB 3.0 driver bug where root hubs are
+ // being listed under the "NUSB3" PnP Symbolic Name rather than "USB".
+ // The Intel USB 3.0 driver behaves similar, but uses "IUSB3"
+ for (; class_index < ARRAYSIZE(usb_class); class_index++) {
+ if (get_devinfo_data(ctx, &dev_info, &dev_info_data, usb_class[class_index], i))
+ break;
+ i = 0;
+ }
+ if (class_index >= ARRAYSIZE(usb_class))
+ break;
+ }
+
+ // Read the Device ID path. This is what we'll use as UID
+ // Note that if the device is plugged in a different port or hub, the Device ID changes
+ if (CM_Get_Device_IDA(dev_info_data.DevInst, path, sizeof(path), 0) != CR_SUCCESS) {
+ usbi_warn(ctx, "could not read the device id path for devinst %X, skipping",
+ (unsigned int)dev_info_data.DevInst);
+ continue;
+ }
+ dev_id_path = sanitize_path(path);
+ if (dev_id_path == NULL) {
+ usbi_warn(ctx, "could not sanitize device id path for devinst %X, skipping",
+ (unsigned int)dev_info_data.DevInst);
+ continue;
+ }
+#ifdef ENUM_DEBUG
+ usbi_dbg("PRO: %s", dev_id_path);
+#endif
+
+ // The SPDRP_ADDRESS for USB devices is the device port number on the hub
+ port_nr = 0;
+ if ((pass >= HUB_PASS) && (pass <= GEN_PASS)) {
+ if ( (!pSetupDiGetDeviceRegistryPropertyA(dev_info, &dev_info_data, SPDRP_ADDRESS,
+ ®_type, (BYTE*)&port_nr, 4, &size))
+ || (size != 4) ) {
+ usbi_warn(ctx, "could not retrieve port number for device '%s', skipping: %s",
+ dev_id_path, windows_error_str(0));
+ continue;
+ }
+ }
+
+ // Set API to use or get additional data from generic pass
+ api = USB_API_UNSUPPORTED;
+ sub_api = SUB_API_NOTSET;
+ switch (pass) {
+ case HCD_PASS:
+ break;
+ case GEN_PASS:
+ // We use the GEN pass to detect driverless devices...
+ size = sizeof(strbuf);
+ if (!pSetupDiGetDeviceRegistryPropertyA(dev_info, &dev_info_data, SPDRP_DRIVER,
+ ®_type, (BYTE*)strbuf, size, &size)) {
+ usbi_info(ctx, "The following device has no driver: '%s'", dev_id_path);
+ usbi_info(ctx, "libusb will not be able to access it.");
+ }
+ // ...and to add the additional device interface GUIDs
+ key = pSetupDiOpenDevRegKey(dev_info, &dev_info_data, DICS_FLAG_GLOBAL, 0, DIREG_DEV, KEY_READ);
+ if (key != INVALID_HANDLE_VALUE) {
+ size = sizeof(guid_string_w);
+ s = pRegQueryValueExW(key, L"DeviceInterfaceGUIDs", NULL, ®_type,
+ (BYTE*)guid_string_w, &size);
+ pRegCloseKey(key);
+ if (s == ERROR_SUCCESS) {
+ if (nb_guids >= MAX_ENUM_GUIDS) {
+ // If this assert is ever reported, grow a GUID table dynamically
+ usbi_err(ctx, "program assertion failed: too many GUIDs");
+ LOOP_BREAK(LIBUSB_ERROR_OVERFLOW);
+ }
+ if_guid = (GUID*) calloc(1, sizeof(GUID));
+ if (if_guid == NULL) {
+ usbi_err(ctx, "could not calloc for if_guid: not enough memory");
+ LOOP_BREAK(LIBUSB_ERROR_NO_MEM);
+ }
+ pCLSIDFromString(guid_string_w, if_guid);
+ guid[nb_guids++] = if_guid;
+ usbi_dbg("extra GUID: %s", guid_to_string(if_guid));
+ }
+ }
+ break;
+ case HID_PASS:
+ api = USB_API_HID;
+ break;
+ default:
+ // Get the API type (after checking that the driver installation is OK)
+ if ( (!pSetupDiGetDeviceRegistryPropertyA(dev_info, &dev_info_data, SPDRP_INSTALL_STATE,
+ ®_type, (BYTE*)&install_state, 4, &size))
+ || (size != 4) ){
+ usbi_warn(ctx, "could not detect installation state of driver for '%s': %s",
+ dev_id_path, windows_error_str(0));
+ } else if (install_state != 0) {
+ usbi_warn(ctx, "driver for device '%s' is reporting an issue (code: %u) - skipping",
+ dev_id_path, (unsigned int)install_state);
+ continue;
+ }
+ get_api_type(ctx, &dev_info, &dev_info_data, &api, &sub_api);
+ break;
+ }
+
+ // Find parent device (for the passes that need it)
+ switch (pass) {
+ case HCD_PASS:
+ case DEV_PASS:
+ case HUB_PASS:
+ break;
+ default:
+ // Go through the ancestors until we see a face we recognize
+ parent_dev = NULL;
+ for (ancestor = 1; parent_dev == NULL; ancestor++) {
+ session_id = get_ancestor_session_id(dev_info_data.DevInst, ancestor);
+ if (session_id == 0) {
+ break;
+ }
+ parent_dev = usbi_get_device_by_session_id(ctx, session_id);
+ }
+ if (parent_dev == NULL) {
+ usbi_dbg("unlisted ancestor for '%s' (non USB HID, newly connected, etc.) - ignoring", dev_id_path);
+ continue;
+ }
+ parent_priv = _device_priv(parent_dev);
+ // virtual USB devices are also listed during GEN - don't process these yet
+ if ( (pass == GEN_PASS) && (parent_priv->apib->id != USB_API_HUB) ) {
+ libusb_unref_device(parent_dev);
+ continue;
+ }
+ break;
+ }
+
+ // Create new or match existing device, using the (hashed) device_id as session id
+ if (pass <= DEV_PASS) { // For subsequent passes, we'll lookup the parent
+ // These are the passes that create "new" devices
+ session_id = htab_hash(dev_id_path);
+ dev = usbi_get_device_by_session_id(ctx, session_id);
+ if (dev == NULL) {
+ if (pass == DEV_PASS) {
+ // This can occur if the OS only reports a newly plugged device after we started enum
+ usbi_warn(ctx, "'%s' was only detected in late pass (newly connected device?)"
+ " - ignoring", dev_id_path);
+ continue;
+ }
+ usbi_dbg("allocating new device for session [%lX]", session_id);
+ if ((dev = usbi_alloc_device(ctx, session_id)) == NULL) {
+ LOOP_BREAK(LIBUSB_ERROR_NO_MEM);
+ }
+ windows_device_priv_init(dev);
+ } else {
+ usbi_dbg("found existing device for session [%lX] (%u.%u)",
+ session_id, dev->bus_number, dev->device_address);
+ }
+ // Keep track of devices that need unref
+ unref_list[unref_cur++] = dev;
+ if (unref_cur >= unref_size) {
+ unref_size += 64;
+ unref_list = usbi_reallocf(unref_list, unref_size*sizeof(libusb_device*));
+ if (unref_list == NULL) {
+ usbi_err(ctx, "could not realloc list for unref - aborting.");
+ LOOP_BREAK(LIBUSB_ERROR_NO_MEM);
+ }
+ }
+ priv = _device_priv(dev);
+ }
+
+ // Setup device
+ switch (pass) {
+ case HCD_PASS:
+ dev->bus_number = (uint8_t)(i + 1); // bus 0 is reserved for disconnected
+ dev->device_address = 0;
+ dev->num_configurations = 0;
+ priv->apib = &usb_api_backend[USB_API_HUB];
+ priv->sub_api = SUB_API_NOTSET;
+ priv->depth = UINT8_MAX; // Overflow to 0 for HCD Hubs
+ priv->path = dev_interface_path; dev_interface_path = NULL;
+ break;
+ case HUB_PASS:
+ case DEV_PASS:
+ // If the device has already been setup, don't do it again
+ if (priv->path != NULL)
+ break;
+ // Take care of API initialization
+ priv->path = dev_interface_path; dev_interface_path = NULL;
+ priv->apib = &usb_api_backend[api];
+ priv->sub_api = sub_api;
+ switch(api) {
+ case USB_API_COMPOSITE:
+ case USB_API_HUB:
+ break;
+ case USB_API_HID:
+ priv->hid = calloc(1, sizeof(struct hid_device_priv));
+ if (priv->hid == NULL) {
+ LOOP_BREAK(LIBUSB_ERROR_NO_MEM);
+ }
+ priv->hid->nb_interfaces = 0;
+ break;
+ default:
+ // For other devices, the first interface is the same as the device
+ priv->usb_interface[0].path = (char*) calloc(safe_strlen(priv->path)+1, 1);
+ if (priv->usb_interface[0].path != NULL) {
+ safe_strcpy(priv->usb_interface[0].path, safe_strlen(priv->path)+1, priv->path);
+ } else {
+ usbi_warn(ctx, "could not duplicate interface path '%s'", priv->path);
+ }
+ // The following is needed if we want API calls to work for both simple
+ // and composite devices.
+ for(j=0; j<USB_MAXINTERFACES; j++) {
+ priv->usb_interface[j].apib = &usb_api_backend[api];
+ }
+ break;
+ }
+ break;
+ case GEN_PASS:
+ r = init_device(dev, parent_dev, (uint8_t)port_nr, dev_id_path, dev_info_data.DevInst);
+ if (r == LIBUSB_SUCCESS) {
+ // Append device to the list of discovered devices
+ discdevs = discovered_devs_append(*_discdevs, dev);
+ if (!discdevs) {
+ LOOP_BREAK(LIBUSB_ERROR_NO_MEM);
+ }
+ *_discdevs = discdevs;
+ } else if (r == LIBUSB_ERROR_NO_DEVICE) {
+ // This can occur if the device was disconnected but Windows hasn't
+ // refreshed its enumeration yet - in that case, we ignore the device
+ r = LIBUSB_SUCCESS;
+ }
+ break;
+ default: // HID_PASS and later
+ if (parent_priv->apib->id == USB_API_HID) {
+ usbi_dbg("setting HID interface for [%lX]:", parent_dev->session_data);
+ r = set_hid_interface(ctx, parent_dev, dev_interface_path);
+ if (r != LIBUSB_SUCCESS) LOOP_BREAK(r);
+ dev_interface_path = NULL;
+ } else if (parent_priv->apib->id == USB_API_COMPOSITE) {
+ usbi_dbg("setting composite interface for [%lX]:", parent_dev->session_data);
+ switch (set_composite_interface(ctx, parent_dev, dev_interface_path, dev_id_path, api, sub_api)) {
+ case LIBUSB_SUCCESS:
+ dev_interface_path = NULL;
+ break;
+ case LIBUSB_ERROR_ACCESS:
+ // interface has already been set => make sure dev_interface_path is freed then
+ break;
+ default:
+ LOOP_BREAK(r);
+ break;
+ }
+ }
+ libusb_unref_device(parent_dev);
+ break;
+ }
+ }
+ }
+
+ // Free any additional GUIDs
+ for (pass = HID_PASS+1; pass < nb_guids; pass++) {
+ safe_free(guid[pass]);
+ }
+
+ // Unref newly allocated devs
+ if (unref_list != NULL) {
+ for (i=0; i<unref_cur; i++) {
+ safe_unref_device(unref_list[i]);
+ }
+ free(unref_list);
+ }
+
+ return r;
+}
+
+/*
+ * exit: libusb backend deinitialization function
+ */
+static void windows_exit(void)
+{
+ int i;
+ HANDLE semaphore;
+ char sem_name[11+1+8]; // strlen(libusb_init)+'\0'+(32-bit hex PID)
+
+ sprintf(sem_name, "libusb_init%08X", (unsigned int)GetCurrentProcessId());
+ semaphore = CreateSemaphoreA(NULL, 1, 1, sem_name);
+ if (semaphore == NULL) {
+ return;
+ }
+
+ // A successful wait brings our semaphore count to 0 (unsignaled)
+ // => any concurent wait stalls until the semaphore release
+ if (WaitForSingleObject(semaphore, INFINITE) != WAIT_OBJECT_0) {
+ CloseHandle(semaphore);
+ return;
+ }
+
+ // Only works if exits and inits are balanced exactly
+ if (--concurrent_usage < 0) { // Last exit
+ for (i=0; i<USB_API_MAX; i++) {
+ usb_api_backend[i].exit(SUB_API_NOTSET);
+ }
+ exit_polling();
+ windows_common_exit();
+ usbi_mutex_destroy(&autoclaim_lock);
+ }
+
+ ReleaseSemaphore(semaphore, 1, NULL); // increase count back to 1
+ CloseHandle(semaphore);
+}
+
+static int windows_get_device_descriptor(struct libusb_device *dev, unsigned char *buffer, int *host_endian)
+{
+ struct windows_device_priv *priv = _device_priv(dev);
+
+ memcpy(buffer, &(priv->dev_descriptor), DEVICE_DESC_LENGTH);
+ *host_endian = 0;
+
+ return LIBUSB_SUCCESS;
+}
+
+static int windows_get_config_descriptor(struct libusb_device *dev, uint8_t config_index, unsigned char *buffer, size_t len, int *host_endian)
+{
+ struct windows_device_priv *priv = _device_priv(dev);
+ PUSB_CONFIGURATION_DESCRIPTOR config_header;
+ size_t size;
+
+ // config index is zero based
+ if (config_index >= dev->num_configurations)
+ return LIBUSB_ERROR_INVALID_PARAM;
+
+ if ((priv->config_descriptor == NULL) || (priv->config_descriptor[config_index] == NULL))
+ return LIBUSB_ERROR_NOT_FOUND;
+
+ config_header = (PUSB_CONFIGURATION_DESCRIPTOR)priv->config_descriptor[config_index];
+
+ size = MIN(config_header->wTotalLength, len);
+ memcpy(buffer, priv->config_descriptor[config_index], size);
+ *host_endian = 0;
+
+ return (int)size;
+}
+
+/*
+ * return the cached copy of the active config descriptor
+ */
+static int windows_get_active_config_descriptor(struct libusb_device *dev, unsigned char *buffer, size_t len, int *host_endian)
+{
+ struct windows_device_priv *priv = _device_priv(dev);
+
+ if (priv->active_config == 0)
+ return LIBUSB_ERROR_NOT_FOUND;
+
+ // config index is zero based
+ return windows_get_config_descriptor(dev, (uint8_t)(priv->active_config-1), buffer, len, host_endian);
+}
+
+static int windows_open(struct libusb_device_handle *dev_handle)
+{
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
+
+ if (priv->apib == NULL) {
+ usbi_err(ctx, "program assertion failed - device is not initialized");
+ return LIBUSB_ERROR_NO_DEVICE;
+ }
+
+ return priv->apib->open(SUB_API_NOTSET, dev_handle);
+}
+
+static void windows_close(struct libusb_device_handle *dev_handle)
+{
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+
+ priv->apib->close(SUB_API_NOTSET, dev_handle);
+}
+
+static int windows_get_configuration(struct libusb_device_handle *dev_handle, int *config)
+{
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+
+ if (priv->active_config == 0) {
+ *config = 0;
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+
+ *config = priv->active_config;
+ return LIBUSB_SUCCESS;
+}
+
+/*
+ * from http://msdn.microsoft.com/en-us/library/ms793522.aspx: "The port driver
+ * does not currently expose a service that allows higher-level drivers to set
+ * the configuration."
+ */
+static int windows_set_configuration(struct libusb_device_handle *dev_handle, int config)
+{
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ int r = LIBUSB_SUCCESS;
+
+ if (config >= USB_MAXCONFIG)
+ return LIBUSB_ERROR_INVALID_PARAM;
+
+ r = libusb_control_transfer(dev_handle, LIBUSB_ENDPOINT_OUT |
+ LIBUSB_REQUEST_TYPE_STANDARD | LIBUSB_RECIPIENT_DEVICE,
+ LIBUSB_REQUEST_SET_CONFIGURATION, (uint16_t)config,
+ 0, NULL, 0, 1000);
+
+ if (r == LIBUSB_SUCCESS) {
+ priv->active_config = (uint8_t)config;
+ }
+ return r;
+}
+
+static int windows_claim_interface(struct libusb_device_handle *dev_handle, int iface)
+{
+ int r = LIBUSB_SUCCESS;
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+
+ safe_free(priv->usb_interface[iface].endpoint);
+ priv->usb_interface[iface].nb_endpoints= 0;
+
+ r = priv->apib->claim_interface(SUB_API_NOTSET, dev_handle, iface);
+
+ if (r == LIBUSB_SUCCESS) {
+ r = windows_assign_endpoints(dev_handle, iface, 0);
+ }
+
+ return r;
+}
+
+static int windows_set_interface_altsetting(struct libusb_device_handle *dev_handle, int iface, int altsetting)
+{
+ int r = LIBUSB_SUCCESS;
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+
+ safe_free(priv->usb_interface[iface].endpoint);
+ priv->usb_interface[iface].nb_endpoints= 0;
+
+ r = priv->apib->set_interface_altsetting(SUB_API_NOTSET, dev_handle, iface, altsetting);
+
+ if (r == LIBUSB_SUCCESS) {
+ r = windows_assign_endpoints(dev_handle, iface, altsetting);
+ }
+
+ return r;
+}
+
+static int windows_release_interface(struct libusb_device_handle *dev_handle, int iface)
+{
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+
+ return priv->apib->release_interface(SUB_API_NOTSET, dev_handle, iface);
+}
+
+static int windows_clear_halt(struct libusb_device_handle *dev_handle, unsigned char endpoint)
+{
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ return priv->apib->clear_halt(SUB_API_NOTSET, dev_handle, endpoint);
+}
+
+static int windows_reset_device(struct libusb_device_handle *dev_handle)
+{
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ return priv->apib->reset_device(SUB_API_NOTSET, dev_handle);
+}
+
+// The 3 functions below are unlikely to ever get supported on Windows
+static int windows_kernel_driver_active(struct libusb_device_handle *dev_handle, int iface)
+{
+ return LIBUSB_ERROR_NOT_SUPPORTED;
+}
+
+static int windows_attach_kernel_driver(struct libusb_device_handle *dev_handle, int iface)
+{
+ return LIBUSB_ERROR_NOT_SUPPORTED;
+}
+
+static int windows_detach_kernel_driver(struct libusb_device_handle *dev_handle, int iface)
+{
+ return LIBUSB_ERROR_NOT_SUPPORTED;
+}
+
+static void windows_destroy_device(struct libusb_device *dev)
+{
+ windows_device_priv_release(dev);
+}
+
+void windows_clear_transfer_priv(struct usbi_transfer *itransfer)
+{
+ struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
+
+ usbi_free_fd(&transfer_priv->pollable_fd);
+ safe_free(transfer_priv->hid_buffer);
+ // When auto claim is in use, attempt to release the auto-claimed interface
+ auto_release(itransfer);
+}
+
+static int submit_bulk_transfer(struct usbi_transfer *itransfer)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
+ struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+ int r;
+
+ r = priv->apib->submit_bulk_transfer(SUB_API_NOTSET, itransfer);
+ if (r != LIBUSB_SUCCESS) {
+ return r;
+ }
+
+ usbi_add_pollfd(ctx, transfer_priv->pollable_fd.fd,
+ (short)(IS_XFERIN(transfer) ? POLLIN : POLLOUT));
+
+ return LIBUSB_SUCCESS;
+}
+
+static int submit_iso_transfer(struct usbi_transfer *itransfer)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
+ struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+ int r;
+
+ r = priv->apib->submit_iso_transfer(SUB_API_NOTSET, itransfer);
+ if (r != LIBUSB_SUCCESS) {
+ return r;
+ }
+
+ usbi_add_pollfd(ctx, transfer_priv->pollable_fd.fd,
+ (short)(IS_XFERIN(transfer) ? POLLIN : POLLOUT));
+
+ return LIBUSB_SUCCESS;
+}
+
+static int submit_control_transfer(struct usbi_transfer *itransfer)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
+ struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+ int r;
+
+ r = priv->apib->submit_control_transfer(SUB_API_NOTSET, itransfer);
+ if (r != LIBUSB_SUCCESS) {
+ return r;
+ }
+
+ usbi_add_pollfd(ctx, transfer_priv->pollable_fd.fd, POLLIN);
+
+ return LIBUSB_SUCCESS;
+
+}
+
+static int windows_submit_transfer(struct usbi_transfer *itransfer)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+
+ switch (transfer->type) {
+ case LIBUSB_TRANSFER_TYPE_CONTROL:
+ return submit_control_transfer(itransfer);
+ case LIBUSB_TRANSFER_TYPE_BULK:
+ case LIBUSB_TRANSFER_TYPE_INTERRUPT:
+ if (IS_XFEROUT(transfer) &&
+ transfer->flags & LIBUSB_TRANSFER_ADD_ZERO_PACKET)
+ return LIBUSB_ERROR_NOT_SUPPORTED;
+ return submit_bulk_transfer(itransfer);
+ case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
+ return submit_iso_transfer(itransfer);
+ case LIBUSB_TRANSFER_TYPE_BULK_STREAM:
+ return LIBUSB_ERROR_NOT_SUPPORTED;
+ default:
+ usbi_err(TRANSFER_CTX(transfer), "unknown endpoint type %d", transfer->type);
+ return LIBUSB_ERROR_INVALID_PARAM;
+ }
+}
+
+static int windows_abort_control(struct usbi_transfer *itransfer)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+
+ return priv->apib->abort_control(SUB_API_NOTSET, itransfer);
+}
+
+static int windows_abort_transfers(struct usbi_transfer *itransfer)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+
+ return priv->apib->abort_transfers(SUB_API_NOTSET, itransfer);
+}
+
+static int windows_cancel_transfer(struct usbi_transfer *itransfer)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+
+ switch (transfer->type) {
+ case LIBUSB_TRANSFER_TYPE_CONTROL:
+ return windows_abort_control(itransfer);
+ case LIBUSB_TRANSFER_TYPE_BULK:
+ case LIBUSB_TRANSFER_TYPE_INTERRUPT:
+ case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS:
+ return windows_abort_transfers(itransfer);
+ case LIBUSB_TRANSFER_TYPE_BULK_STREAM:
+ return LIBUSB_ERROR_NOT_SUPPORTED;
+ default:
+ usbi_err(ITRANSFER_CTX(itransfer), "unknown endpoint type %d", transfer->type);
+ return LIBUSB_ERROR_INVALID_PARAM;
+ }
+}
+
+int windows_copy_transfer_data(struct usbi_transfer *itransfer, uint32_t io_size)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+ return priv->apib->copy_transfer_data(SUB_API_NOTSET, itransfer, io_size);
+}
+
+struct winfd *windows_get_fd(struct usbi_transfer *transfer)
+{
+ struct windows_transfer_priv *transfer_priv = usbi_transfer_get_os_priv(transfer);
+ return &transfer_priv->pollable_fd;
+}
+
+void windows_get_overlapped_result(struct usbi_transfer *transfer, struct winfd *pollable_fd, DWORD *io_result, DWORD *io_size)
+{
+ if (HasOverlappedIoCompletedSync(pollable_fd->overlapped)) {
+ *io_result = NO_ERROR;
+ *io_size = (DWORD)pollable_fd->overlapped->InternalHigh;
+ // Regular async overlapped
+ }
+ else if (GetOverlappedResult(pollable_fd->handle, pollable_fd->overlapped, io_size, false)) {
+ *io_result = NO_ERROR;
+ }
+ else {
+ *io_result = GetLastError();
+ }
+}
+
+// NB: MSVC6 does not support named initializers.
+const struct usbi_os_backend windows_backend = {
+ "Windows",
+ USBI_CAP_HAS_HID_ACCESS,
+ windows_init,
+ windows_exit,
+
+ windows_get_device_list,
+ NULL, /* hotplug_poll */
+ windows_open,
+ windows_close,
+
+ windows_get_device_descriptor,
+ windows_get_active_config_descriptor,
+ windows_get_config_descriptor,
+ NULL, /* get_config_descriptor_by_value() */
+
+ windows_get_configuration,
+ windows_set_configuration,
+ windows_claim_interface,
+ windows_release_interface,
+
+ windows_set_interface_altsetting,
+ windows_clear_halt,
+ windows_reset_device,
+
+ NULL, /* alloc_streams */
+ NULL, /* free_streams */
+
+ windows_kernel_driver_active,
+ windows_detach_kernel_driver,
+ windows_attach_kernel_driver,
+
+ windows_destroy_device,
+
+ windows_submit_transfer,
+ windows_cancel_transfer,
+ windows_clear_transfer_priv,
+
+ windows_handle_events,
+ NULL,
+
+ windows_clock_gettime,
+#if defined(USBI_TIMERFD_AVAILABLE)
+ NULL,
+#endif
+ sizeof(struct windows_device_priv),
+ sizeof(struct windows_device_handle_priv),
+ sizeof(struct windows_transfer_priv),
+};
+
+
+/*
+ * USB API backends
+ */
+static int unsupported_init(int sub_api, struct libusb_context *ctx) {
+ return LIBUSB_SUCCESS;
+}
+static int unsupported_exit(int sub_api) {
+ return LIBUSB_SUCCESS;
+}
+static int unsupported_open(int sub_api, struct libusb_device_handle *dev_handle) {
+ PRINT_UNSUPPORTED_API(open);
+}
+static void unsupported_close(int sub_api, struct libusb_device_handle *dev_handle) {
+ usbi_dbg("unsupported API call for 'close'");
+}
+static int unsupported_configure_endpoints(int sub_api, struct libusb_device_handle *dev_handle, int iface) {
+ PRINT_UNSUPPORTED_API(configure_endpoints);
+}
+static int unsupported_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface) {
+ PRINT_UNSUPPORTED_API(claim_interface);
+}
+static int unsupported_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting) {
+ PRINT_UNSUPPORTED_API(set_interface_altsetting);
+}
+static int unsupported_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface) {
+ PRINT_UNSUPPORTED_API(release_interface);
+}
+static int unsupported_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint) {
+ PRINT_UNSUPPORTED_API(clear_halt);
+}
+static int unsupported_reset_device(int sub_api, struct libusb_device_handle *dev_handle) {
+ PRINT_UNSUPPORTED_API(reset_device);
+}
+static int unsupported_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer) {
+ PRINT_UNSUPPORTED_API(submit_bulk_transfer);
+}
+static int unsupported_submit_iso_transfer(int sub_api, struct usbi_transfer *itransfer) {
+ PRINT_UNSUPPORTED_API(submit_iso_transfer);
+}
+static int unsupported_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer) {
+ PRINT_UNSUPPORTED_API(submit_control_transfer);
+}
+static int unsupported_abort_control(int sub_api, struct usbi_transfer *itransfer) {
+ PRINT_UNSUPPORTED_API(abort_control);
+}
+static int unsupported_abort_transfers(int sub_api, struct usbi_transfer *itransfer) {
+ PRINT_UNSUPPORTED_API(abort_transfers);
+}
+static int unsupported_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size) {
+ PRINT_UNSUPPORTED_API(copy_transfer_data);
+}
+static int common_configure_endpoints(int sub_api, struct libusb_device_handle *dev_handle, int iface) {
+ return LIBUSB_SUCCESS;
+}
+// These names must be uppercase
+const char* hub_driver_names[] = {"USBHUB", "USBHUB3", "USB3HUB", "NUSB3HUB", "RUSB3HUB", "FLXHCIH", "TIHUB3", "ETRONHUB3", "VIAHUB3", "ASMTHUB3", "IUSB3HUB", "VUSB3HUB", "AMDHUB30", "VHHUB"};
+const char* composite_driver_names[] = {"USBCCGP"};
+const char* winusbx_driver_names[] = WINUSBX_DRV_NAMES;
+const char* hid_driver_names[] = {"HIDUSB", "MOUHID", "KBDHID"};
+const struct windows_usb_api_backend usb_api_backend[USB_API_MAX] = {
+ {
+ USB_API_UNSUPPORTED,
+ "Unsupported API",
+ NULL,
+ 0,
+ unsupported_init,
+ unsupported_exit,
+ unsupported_open,
+ unsupported_close,
+ unsupported_configure_endpoints,
+ unsupported_claim_interface,
+ unsupported_set_interface_altsetting,
+ unsupported_release_interface,
+ unsupported_clear_halt,
+ unsupported_reset_device,
+ unsupported_submit_bulk_transfer,
+ unsupported_submit_iso_transfer,
+ unsupported_submit_control_transfer,
+ unsupported_abort_control,
+ unsupported_abort_transfers,
+ unsupported_copy_transfer_data,
+ }, {
+ USB_API_HUB,
+ "HUB API",
+ hub_driver_names,
+ ARRAYSIZE(hub_driver_names),
+ unsupported_init,
+ unsupported_exit,
+ unsupported_open,
+ unsupported_close,
+ unsupported_configure_endpoints,
+ unsupported_claim_interface,
+ unsupported_set_interface_altsetting,
+ unsupported_release_interface,
+ unsupported_clear_halt,
+ unsupported_reset_device,
+ unsupported_submit_bulk_transfer,
+ unsupported_submit_iso_transfer,
+ unsupported_submit_control_transfer,
+ unsupported_abort_control,
+ unsupported_abort_transfers,
+ unsupported_copy_transfer_data,
+ }, {
+ USB_API_COMPOSITE,
+ "Composite API",
+ composite_driver_names,
+ ARRAYSIZE(composite_driver_names),
+ composite_init,
+ composite_exit,
+ composite_open,
+ composite_close,
+ common_configure_endpoints,
+ composite_claim_interface,
+ composite_set_interface_altsetting,
+ composite_release_interface,
+ composite_clear_halt,
+ composite_reset_device,
+ composite_submit_bulk_transfer,
+ composite_submit_iso_transfer,
+ composite_submit_control_transfer,
+ composite_abort_control,
+ composite_abort_transfers,
+ composite_copy_transfer_data,
+ }, {
+ USB_API_WINUSBX,
+ "WinUSB-like APIs",
+ winusbx_driver_names,
+ ARRAYSIZE(winusbx_driver_names),
+ winusbx_init,
+ winusbx_exit,
+ winusbx_open,
+ winusbx_close,
+ winusbx_configure_endpoints,
+ winusbx_claim_interface,
+ winusbx_set_interface_altsetting,
+ winusbx_release_interface,
+ winusbx_clear_halt,
+ winusbx_reset_device,
+ winusbx_submit_bulk_transfer,
+ unsupported_submit_iso_transfer,
+ winusbx_submit_control_transfer,
+ winusbx_abort_control,
+ winusbx_abort_transfers,
+ winusbx_copy_transfer_data,
+ }, {
+ USB_API_HID,
+ "HID API",
+ hid_driver_names,
+ ARRAYSIZE(hid_driver_names),
+ hid_init,
+ hid_exit,
+ hid_open,
+ hid_close,
+ common_configure_endpoints,
+ hid_claim_interface,
+ hid_set_interface_altsetting,
+ hid_release_interface,
+ hid_clear_halt,
+ hid_reset_device,
+ hid_submit_bulk_transfer,
+ unsupported_submit_iso_transfer,
+ hid_submit_control_transfer,
+ hid_abort_transfers,
+ hid_abort_transfers,
+ hid_copy_transfer_data,
+ },
+};
+
+
+/*
+ * WinUSB-like (WinUSB, libusb0/libusbK through libusbk DLL) API functions
+ */
+#define WinUSBX_Set(fn) do { if (native_winusb) WinUSBX[i].fn = (WinUsb_##fn##_t) GetProcAddress(h, "WinUsb_" #fn); \
+ else pLibK_GetProcAddress((PVOID*)&WinUSBX[i].fn, i, KUSB_FNID_##fn); } while (0)
+
+static int winusbx_init(int sub_api, struct libusb_context *ctx)
+{
+ HMODULE h = NULL;
+ bool native_winusb = false;
+ int i;
+ KLIB_VERSION LibK_Version;
+ LibK_GetProcAddress_t pLibK_GetProcAddress = NULL;
+ LibK_GetVersion_t pLibK_GetVersion = NULL;
+
+ h = GetModuleHandleA("libusbK");
+ if (h == NULL) {
+ h = LoadLibraryA("libusbK");
+ }
+ if (h == NULL) {
+ usbi_info(ctx, "libusbK DLL is not available, will use native WinUSB");
+ h = GetModuleHandleA("WinUSB");
+ if (h == NULL) {
+ h = LoadLibraryA("WinUSB");
+ } if (h == NULL) {
+ usbi_warn(ctx, "WinUSB DLL is not available either, "
+ "you will not be able to access devices outside of enumeration");
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+ } else {
+ usbi_dbg("using libusbK DLL for universal access");
+ pLibK_GetVersion = (LibK_GetVersion_t) GetProcAddress(h, "LibK_GetVersion");
+ if (pLibK_GetVersion != NULL) {
+ pLibK_GetVersion(&LibK_Version);
+ usbi_dbg("libusbK version: %d.%d.%d.%d", LibK_Version.Major, LibK_Version.Minor,
+ LibK_Version.Micro, LibK_Version.Nano);
+ }
+ pLibK_GetProcAddress = (LibK_GetProcAddress_t) GetProcAddress(h, "LibK_GetProcAddress");
+ if (pLibK_GetProcAddress == NULL) {
+ usbi_err(ctx, "LibK_GetProcAddress() not found in libusbK DLL");
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+ }
+ native_winusb = (pLibK_GetProcAddress == NULL);
+ for (i=SUB_API_LIBUSBK; i<SUB_API_MAX; i++) {
+ WinUSBX_Set(AbortPipe);
+ WinUSBX_Set(ControlTransfer);
+ WinUSBX_Set(FlushPipe);
+ WinUSBX_Set(Free);
+ WinUSBX_Set(GetAssociatedInterface);
+ WinUSBX_Set(GetCurrentAlternateSetting);
+ WinUSBX_Set(GetDescriptor);
+ WinUSBX_Set(GetOverlappedResult);
+ WinUSBX_Set(GetPipePolicy);
+ WinUSBX_Set(GetPowerPolicy);
+ WinUSBX_Set(Initialize);
+ WinUSBX_Set(QueryDeviceInformation);
+ WinUSBX_Set(QueryInterfaceSettings);
+ WinUSBX_Set(QueryPipe);
+ WinUSBX_Set(ReadPipe);
+ WinUSBX_Set(ResetPipe);
+ WinUSBX_Set(SetCurrentAlternateSetting);
+ WinUSBX_Set(SetPipePolicy);
+ WinUSBX_Set(SetPowerPolicy);
+ WinUSBX_Set(WritePipe);
+ if (!native_winusb) {
+ WinUSBX_Set(ResetDevice);
+ }
+ if (WinUSBX[i].Initialize != NULL) {
+ WinUSBX[i].initialized = true;
+ usbi_dbg("initalized sub API %s", sub_api_name[i]);
+ } else {
+ usbi_warn(ctx, "Failed to initalize sub API %s", sub_api_name[i]);
+ WinUSBX[i].initialized = false;
+ }
+ }
+ return LIBUSB_SUCCESS;
+}
+
+static int winusbx_exit(int sub_api)
+{
+ return LIBUSB_SUCCESS;
+}
+
+// NB: open and close must ensure that they only handle interface of
+// the right API type, as these functions can be called wholesale from
+// composite_open(), with interfaces belonging to different APIs
+static int winusbx_open(int sub_api, struct libusb_device_handle *dev_handle)
+{
+ struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+
+ HANDLE file_handle;
+ int i;
+
+ CHECK_WINUSBX_AVAILABLE(sub_api);
+
+ // WinUSB requires a separate handle for each interface
+ for (i = 0; i < USB_MAXINTERFACES; i++) {
+ if ( (priv->usb_interface[i].path != NULL)
+ && (priv->usb_interface[i].apib->id == USB_API_WINUSBX) ) {
+ file_handle = CreateFileA(priv->usb_interface[i].path, GENERIC_WRITE | GENERIC_READ, FILE_SHARE_WRITE | FILE_SHARE_READ,
+ NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, NULL);
+ if (file_handle == INVALID_HANDLE_VALUE) {
+ usbi_err(ctx, "could not open device %s (interface %d): %s", priv->usb_interface[i].path, i, windows_error_str(0));
+ switch(GetLastError()) {
+ case ERROR_FILE_NOT_FOUND: // The device was disconnected
+ return LIBUSB_ERROR_NO_DEVICE;
+ case ERROR_ACCESS_DENIED:
+ return LIBUSB_ERROR_ACCESS;
+ default:
+ return LIBUSB_ERROR_IO;
+ }
+ }
+ handle_priv->interface_handle[i].dev_handle = file_handle;
+ }
+ }
+
+ return LIBUSB_SUCCESS;
+}
+
+static void winusbx_close(int sub_api, struct libusb_device_handle *dev_handle)
+{
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ HANDLE handle;
+ int i;
+
+ if (sub_api == SUB_API_NOTSET)
+ sub_api = priv->sub_api;
+ if (!WinUSBX[sub_api].initialized)
+ return;
+
+ if (priv->apib->id == USB_API_COMPOSITE) {
+ // If this is a composite device, just free and close all WinUSB-like
+ // interfaces directly (each is independent and not associated with another)
+ for (i = 0; i < USB_MAXINTERFACES; i++) {
+ if (priv->usb_interface[i].apib->id == USB_API_WINUSBX) {
+ handle = handle_priv->interface_handle[i].api_handle;
+ if ((handle != 0) && (handle != INVALID_HANDLE_VALUE)) {
+ WinUSBX[sub_api].Free(handle);
+ }
+ handle = handle_priv->interface_handle[i].dev_handle;
+ if ((handle != 0) && (handle != INVALID_HANDLE_VALUE)) {
+ CloseHandle(handle);
+ }
+ }
+ }
+ }
+ else {
+ // If this is a WinUSB device, free all interfaces above interface 0,
+ // then free and close interface 0 last
+ for (i = 1; i < USB_MAXINTERFACES; i++) {
+ handle = handle_priv->interface_handle[i].api_handle;
+ if ((handle != 0) && (handle != INVALID_HANDLE_VALUE)) {
+ WinUSBX[sub_api].Free(handle);
+ }
+ }
+ handle = handle_priv->interface_handle[0].api_handle;
+ if ((handle != 0) && (handle != INVALID_HANDLE_VALUE)) {
+ WinUSBX[sub_api].Free(handle);
+ }
+ handle = handle_priv->interface_handle[0].dev_handle;
+ if ((handle != 0) && (handle != INVALID_HANDLE_VALUE)) {
+ CloseHandle(handle);
+ }
+ }
+}
+
+static int winusbx_configure_endpoints(int sub_api, struct libusb_device_handle *dev_handle, int iface)
+{
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ HANDLE winusb_handle = handle_priv->interface_handle[iface].api_handle;
+ UCHAR policy;
+ ULONG timeout = 0;
+ uint8_t endpoint_address;
+ int i;
+
+ CHECK_WINUSBX_AVAILABLE(sub_api);
+
+ // With handle and enpoints set (in parent), we can setup the default pipe properties
+ // see http://download.microsoft.com/download/D/1/D/D1DD7745-426B-4CC3-A269-ABBBE427C0EF/DVC-T705_DDC08.pptx
+ for (i=-1; i<priv->usb_interface[iface].nb_endpoints; i++) {
+ endpoint_address =(i==-1)?0:priv->usb_interface[iface].endpoint[i];
+ if (!WinUSBX[sub_api].SetPipePolicy(winusb_handle, endpoint_address,
+ PIPE_TRANSFER_TIMEOUT, sizeof(ULONG), &timeout)) {
+ usbi_dbg("failed to set PIPE_TRANSFER_TIMEOUT for control endpoint %02X", endpoint_address);
+ }
+ if ((i == -1) || (sub_api == SUB_API_LIBUSB0)) {
+ continue; // Other policies don't apply to control endpoint or libusb0
+ }
+ policy = false;
+ if (!WinUSBX[sub_api].SetPipePolicy(winusb_handle, endpoint_address,
+ SHORT_PACKET_TERMINATE, sizeof(UCHAR), &policy)) {
+ usbi_dbg("failed to disable SHORT_PACKET_TERMINATE for endpoint %02X", endpoint_address);
+ }
+ if (!WinUSBX[sub_api].SetPipePolicy(winusb_handle, endpoint_address,
+ IGNORE_SHORT_PACKETS, sizeof(UCHAR), &policy)) {
+ usbi_dbg("failed to disable IGNORE_SHORT_PACKETS for endpoint %02X", endpoint_address);
+ }
+ policy = true;
+ /* ALLOW_PARTIAL_READS must be enabled due to likely libusbK bug. See:
+ https://sourceforge.net/mailarchive/message.php?msg_id=29736015 */
+ if (!WinUSBX[sub_api].SetPipePolicy(winusb_handle, endpoint_address,
+ ALLOW_PARTIAL_READS, sizeof(UCHAR), &policy)) {
+ usbi_dbg("failed to enable ALLOW_PARTIAL_READS for endpoint %02X", endpoint_address);
+ }
+ if (!WinUSBX[sub_api].SetPipePolicy(winusb_handle, endpoint_address,
+ AUTO_CLEAR_STALL, sizeof(UCHAR), &policy)) {
+ usbi_dbg("failed to enable AUTO_CLEAR_STALL for endpoint %02X", endpoint_address);
+ }
+ }
+
+ return LIBUSB_SUCCESS;
+}
+
+static int winusbx_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface)
+{
+ struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ bool is_using_usbccgp = (priv->apib->id == USB_API_COMPOSITE);
+ HANDLE file_handle, winusb_handle;
+ DWORD err;
+ int i;
+ SP_DEVICE_INTERFACE_DETAIL_DATA_A *dev_interface_details = NULL;
+ HDEVINFO dev_info = INVALID_HANDLE_VALUE;
+ SP_DEVINFO_DATA dev_info_data;
+ char* dev_path_no_guid = NULL;
+ char filter_path[] = "\\\\.\\libusb0-0000";
+ bool found_filter = false;
+
+ CHECK_WINUSBX_AVAILABLE(sub_api);
+
+ // If the device is composite, but using the default Windows composite parent driver (usbccgp)
+ // or if it's the first WinUSB-like interface, we get a handle through Initialize().
+ if ((is_using_usbccgp) || (iface == 0)) {
+ // composite device (independent interfaces) or interface 0
+ file_handle = handle_priv->interface_handle[iface].dev_handle;
+ if ((file_handle == 0) || (file_handle == INVALID_HANDLE_VALUE)) {
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+
+ if (!WinUSBX[sub_api].Initialize(file_handle, &winusb_handle)) {
+ handle_priv->interface_handle[iface].api_handle = INVALID_HANDLE_VALUE;
+ err = GetLastError();
+ switch(err) {
+ case ERROR_BAD_COMMAND:
+ // The device was disconnected
+ usbi_err(ctx, "could not access interface %d: %s", iface, windows_error_str(0));
+ return LIBUSB_ERROR_NO_DEVICE;
+ default:
+ // it may be that we're using the libusb0 filter driver.
+ // TODO: can we move this whole business into the K/0 DLL?
+ for (i = 0; ; i++) {
+ safe_free(dev_interface_details);
+ safe_free(dev_path_no_guid);
+ dev_interface_details = get_interface_details_filter(ctx, &dev_info, &dev_info_data, &GUID_DEVINTERFACE_LIBUSB0_FILTER, i, filter_path);
+ if ((found_filter) || (dev_interface_details == NULL)) {
+ break;
+ }
+ // ignore GUID part
+ dev_path_no_guid = sanitize_path(strtok(dev_interface_details->DevicePath, "{"));
+ if (safe_strncmp(dev_path_no_guid, priv->usb_interface[iface].path, safe_strlen(dev_path_no_guid)) == 0) {
+ file_handle = CreateFileA(filter_path, GENERIC_WRITE | GENERIC_READ, FILE_SHARE_WRITE | FILE_SHARE_READ,
+ NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, NULL);
+ if (file_handle == INVALID_HANDLE_VALUE) {
+ usbi_err(ctx, "could not open device %s: %s", filter_path, windows_error_str(0));
+ } else {
+ WinUSBX[sub_api].Free(winusb_handle);
+ if (WinUSBX[sub_api].Initialize(file_handle, &winusb_handle))
+ found_filter = true;
+ else
+ usbi_err(ctx, "could not initialize filter driver for %s", filter_path);
+ }
+ }
+ }
+ if (!found_filter) {
+ usbi_err(ctx, "could not access interface %d: %s", iface, windows_error_str(err));
+ return LIBUSB_ERROR_ACCESS;
+ }
+ }
+ }
+ handle_priv->interface_handle[iface].api_handle = winusb_handle;
+ } else {
+ // For all other interfaces, use GetAssociatedInterface()
+ winusb_handle = handle_priv->interface_handle[0].api_handle;
+ // It is a requirement for multiple interface devices on Windows that, to you
+ // must first claim the first interface before you claim the others
+ if ((winusb_handle == 0) || (winusb_handle == INVALID_HANDLE_VALUE)) {
+ file_handle = handle_priv->interface_handle[0].dev_handle;
+ if (WinUSBX[sub_api].Initialize(file_handle, &winusb_handle)) {
+ handle_priv->interface_handle[0].api_handle = winusb_handle;
+ usbi_warn(ctx, "auto-claimed interface 0 (required to claim %d with WinUSB)", iface);
+ } else {
+ usbi_warn(ctx, "failed to auto-claim interface 0 (required to claim %d with WinUSB): %s", iface, windows_error_str(0));
+ return LIBUSB_ERROR_ACCESS;
+ }
+ }
+ if (!WinUSBX[sub_api].GetAssociatedInterface(winusb_handle, (UCHAR)(iface-1),
+ &handle_priv->interface_handle[iface].api_handle)) {
+ handle_priv->interface_handle[iface].api_handle = INVALID_HANDLE_VALUE;
+ switch(GetLastError()) {
+ case ERROR_NO_MORE_ITEMS: // invalid iface
+ return LIBUSB_ERROR_NOT_FOUND;
+ case ERROR_BAD_COMMAND: // The device was disconnected
+ return LIBUSB_ERROR_NO_DEVICE;
+ case ERROR_ALREADY_EXISTS: // already claimed
+ return LIBUSB_ERROR_BUSY;
+ default:
+ usbi_err(ctx, "could not claim interface %d: %s", iface, windows_error_str(0));
+ return LIBUSB_ERROR_ACCESS;
+ }
+ }
+ }
+ usbi_dbg("claimed interface %d", iface);
+ handle_priv->active_interface = iface;
+
+ return LIBUSB_SUCCESS;
+}
+
+static int winusbx_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface)
+{
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ HANDLE winusb_handle;
+
+ CHECK_WINUSBX_AVAILABLE(sub_api);
+
+ winusb_handle = handle_priv->interface_handle[iface].api_handle;
+ if ((winusb_handle == 0) || (winusb_handle == INVALID_HANDLE_VALUE)) {
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+
+ WinUSBX[sub_api].Free(winusb_handle);
+ handle_priv->interface_handle[iface].api_handle = INVALID_HANDLE_VALUE;
+
+ return LIBUSB_SUCCESS;
+}
+
+/*
+ * Return the first valid interface (of the same API type), for control transfers
+ */
+static int get_valid_interface(struct libusb_device_handle *dev_handle, int api_id)
+{
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ int i;
+
+ if ((api_id < USB_API_WINUSBX) || (api_id > USB_API_HID)) {
+ usbi_dbg("unsupported API ID");
+ return -1;
+ }
+
+ for (i=0; i<USB_MAXINTERFACES; i++) {
+ if ( (handle_priv->interface_handle[i].dev_handle != 0)
+ && (handle_priv->interface_handle[i].dev_handle != INVALID_HANDLE_VALUE)
+ && (handle_priv->interface_handle[i].api_handle != 0)
+ && (handle_priv->interface_handle[i].api_handle != INVALID_HANDLE_VALUE)
+ && (priv->usb_interface[i].apib->id == api_id) ) {
+ return i;
+ }
+ }
+ return -1;
+}
+
+/*
+ * Lookup interface by endpoint address. -1 if not found
+ */
+static int interface_by_endpoint(struct windows_device_priv *priv,
+ struct windows_device_handle_priv *handle_priv, uint8_t endpoint_address)
+{
+ int i, j;
+ for (i=0; i<USB_MAXINTERFACES; i++) {
+ if (handle_priv->interface_handle[i].api_handle == INVALID_HANDLE_VALUE)
+ continue;
+ if (handle_priv->interface_handle[i].api_handle == 0)
+ continue;
+ if (priv->usb_interface[i].endpoint == NULL)
+ continue;
+ for (j=0; j<priv->usb_interface[i].nb_endpoints; j++) {
+ if (priv->usb_interface[i].endpoint[j] == endpoint_address) {
+ return i;
+ }
+ }
+ }
+ return -1;
+}
+
+static int winusbx_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+ struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(
+ transfer->dev_handle);
+ WINUSB_SETUP_PACKET *setup = (WINUSB_SETUP_PACKET *) transfer->buffer;
+ ULONG size;
+ HANDLE winusb_handle;
+ int current_interface;
+ struct winfd wfd;
+
+ CHECK_WINUSBX_AVAILABLE(sub_api);
+
+ transfer_priv->pollable_fd = INVALID_WINFD;
+ size = transfer->length - LIBUSB_CONTROL_SETUP_SIZE;
+
+ if (size > MAX_CTRL_BUFFER_LENGTH)
+ return LIBUSB_ERROR_INVALID_PARAM;
+
+ current_interface = get_valid_interface(transfer->dev_handle, USB_API_WINUSBX);
+ if (current_interface < 0) {
+ if (auto_claim(transfer, ¤t_interface, USB_API_WINUSBX) != LIBUSB_SUCCESS) {
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+ }
+
+ usbi_dbg("will use interface %d", current_interface);
+ winusb_handle = handle_priv->interface_handle[current_interface].api_handle;
+
+ wfd = usbi_create_fd(winusb_handle, RW_READ, NULL, NULL);
+ // Always use the handle returned from usbi_create_fd (wfd.handle)
+ if (wfd.fd < 0) {
+ return LIBUSB_ERROR_NO_MEM;
+ }
+
+ // Sending of set configuration control requests from WinUSB creates issues
+ if ( ((setup->request_type & (0x03 << 5)) == LIBUSB_REQUEST_TYPE_STANDARD)
+ && (setup->request == LIBUSB_REQUEST_SET_CONFIGURATION) ) {
+ if (setup->value != priv->active_config) {
+ usbi_warn(ctx, "cannot set configuration other than the default one");
+ usbi_free_fd(&wfd);
+ return LIBUSB_ERROR_INVALID_PARAM;
+ }
+ wfd.overlapped->Internal = STATUS_COMPLETED_SYNCHRONOUSLY;
+ wfd.overlapped->InternalHigh = 0;
+ } else {
+ if (!WinUSBX[sub_api].ControlTransfer(wfd.handle, *setup, transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE, size, NULL, wfd.overlapped)) {
+ if(GetLastError() != ERROR_IO_PENDING) {
+ usbi_warn(ctx, "ControlTransfer failed: %s", windows_error_str(0));
+ usbi_free_fd(&wfd);
+ return LIBUSB_ERROR_IO;
+ }
+ } else {
+ wfd.overlapped->Internal = STATUS_COMPLETED_SYNCHRONOUSLY;
+ wfd.overlapped->InternalHigh = (DWORD)size;
+ }
+ }
+
+ // Use priv_transfer to store data needed for async polling
+ transfer_priv->pollable_fd = wfd;
+ transfer_priv->interface_number = (uint8_t)current_interface;
+
+ return LIBUSB_SUCCESS;
+}
+
+static int winusbx_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting)
+{
+ struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ HANDLE winusb_handle;
+
+ CHECK_WINUSBX_AVAILABLE(sub_api);
+
+ if (altsetting > 255) {
+ return LIBUSB_ERROR_INVALID_PARAM;
+ }
+
+ winusb_handle = handle_priv->interface_handle[iface].api_handle;
+ if ((winusb_handle == 0) || (winusb_handle == INVALID_HANDLE_VALUE)) {
+ usbi_err(ctx, "interface must be claimed first");
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+
+ if (!WinUSBX[sub_api].SetCurrentAlternateSetting(winusb_handle, (UCHAR)altsetting)) {
+ usbi_err(ctx, "SetCurrentAlternateSetting failed: %s", windows_error_str(0));
+ return LIBUSB_ERROR_IO;
+ }
+
+ return LIBUSB_SUCCESS;
+}
+
+static int winusbx_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
+ struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(transfer->dev_handle);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+ HANDLE winusb_handle;
+ bool ret;
+ int current_interface;
+ struct winfd wfd;
+
+ CHECK_WINUSBX_AVAILABLE(sub_api);
+
+ transfer_priv->pollable_fd = INVALID_WINFD;
+
+ current_interface = interface_by_endpoint(priv, handle_priv, transfer->endpoint);
+ if (current_interface < 0) {
+ usbi_err(ctx, "unable to match endpoint to an open interface - cancelling transfer");
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+
+ usbi_dbg("matched endpoint %02X with interface %d", transfer->endpoint, current_interface);
+
+ winusb_handle = handle_priv->interface_handle[current_interface].api_handle;
+
+ wfd = usbi_create_fd(winusb_handle, IS_XFERIN(transfer) ? RW_READ : RW_WRITE, NULL, NULL);
+ // Always use the handle returned from usbi_create_fd (wfd.handle)
+ if (wfd.fd < 0) {
+ return LIBUSB_ERROR_NO_MEM;
+ }
+
+ if (IS_XFERIN(transfer)) {
+ usbi_dbg("reading %d bytes", transfer->length);
+ ret = WinUSBX[sub_api].ReadPipe(wfd.handle, transfer->endpoint, transfer->buffer, transfer->length, NULL, wfd.overlapped);
+ } else {
+ usbi_dbg("writing %d bytes", transfer->length);
+ ret = WinUSBX[sub_api].WritePipe(wfd.handle, transfer->endpoint, transfer->buffer, transfer->length, NULL, wfd.overlapped);
+ }
+ if (!ret) {
+ if(GetLastError() != ERROR_IO_PENDING) {
+ usbi_err(ctx, "ReadPipe/WritePipe failed: %s", windows_error_str(0));
+ usbi_free_fd(&wfd);
+ return LIBUSB_ERROR_IO;
+ }
+ } else {
+ wfd.overlapped->Internal = STATUS_COMPLETED_SYNCHRONOUSLY;
+ wfd.overlapped->InternalHigh = (DWORD)transfer->length;
+ }
+
+ transfer_priv->pollable_fd = wfd;
+ transfer_priv->interface_number = (uint8_t)current_interface;
+
+ return LIBUSB_SUCCESS;
+}
+
+static int winusbx_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint)
+{
+ struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ HANDLE winusb_handle;
+ int current_interface;
+
+ CHECK_WINUSBX_AVAILABLE(sub_api);
+
+ current_interface = interface_by_endpoint(priv, handle_priv, endpoint);
+ if (current_interface < 0) {
+ usbi_err(ctx, "unable to match endpoint to an open interface - cannot clear");
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+
+ usbi_dbg("matched endpoint %02X with interface %d", endpoint, current_interface);
+ winusb_handle = handle_priv->interface_handle[current_interface].api_handle;
+
+ if (!WinUSBX[sub_api].ResetPipe(winusb_handle, endpoint)) {
+ usbi_err(ctx, "ResetPipe failed: %s", windows_error_str(0));
+ return LIBUSB_ERROR_NO_DEVICE;
+ }
+
+ return LIBUSB_SUCCESS;
+}
+
+/*
+ * from http://www.winvistatips.com/winusb-bugchecks-t335323.html (confirmed
+ * through testing as well):
+ * "You can not call WinUsb_AbortPipe on control pipe. You can possibly cancel
+ * the control transfer using CancelIo"
+ */
+static int winusbx_abort_control(int sub_api, struct usbi_transfer *itransfer)
+{
+ // Cancelling of the I/O is done in the parent
+ return LIBUSB_SUCCESS;
+}
+
+static int winusbx_abort_transfers(int sub_api, struct usbi_transfer *itransfer)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(transfer->dev_handle);
+ struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+ HANDLE winusb_handle;
+ int current_interface;
+
+ CHECK_WINUSBX_AVAILABLE(sub_api);
+
+ current_interface = transfer_priv->interface_number;
+ if ((current_interface < 0) || (current_interface >= USB_MAXINTERFACES)) {
+ usbi_err(ctx, "program assertion failed: invalid interface_number");
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+ usbi_dbg("will use interface %d", current_interface);
+
+ winusb_handle = handle_priv->interface_handle[current_interface].api_handle;
+
+ if (!WinUSBX[sub_api].AbortPipe(winusb_handle, transfer->endpoint)) {
+ usbi_err(ctx, "AbortPipe failed: %s", windows_error_str(0));
+ return LIBUSB_ERROR_NO_DEVICE;
+ }
+
+ return LIBUSB_SUCCESS;
+}
+
+/*
+ * from the "How to Use WinUSB to Communicate with a USB Device" Microsoft white paper
+ * (http://www.microsoft.com/whdc/connect/usb/winusb_howto.mspx):
+ * "WinUSB does not support host-initiated reset port and cycle port operations" and
+ * IOCTL_INTERNAL_USB_CYCLE_PORT is only available in kernel mode and the
+ * IOCTL_USB_HUB_CYCLE_PORT ioctl was removed from Vista => the best we can do is
+ * cycle the pipes (and even then, the control pipe can not be reset using WinUSB)
+ */
+// TODO: (post hotplug): see if we can force eject the device and redetect it (reuse hotplug?)
+static int winusbx_reset_device(int sub_api, struct libusb_device_handle *dev_handle)
+{
+ struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ struct winfd wfd;
+ HANDLE winusb_handle;
+ int i, j;
+
+ CHECK_WINUSBX_AVAILABLE(sub_api);
+
+ // Reset any available pipe (except control)
+ for (i=0; i<USB_MAXINTERFACES; i++) {
+ winusb_handle = handle_priv->interface_handle[i].api_handle;
+ for (wfd = handle_to_winfd(winusb_handle); wfd.fd > 0;)
+ {
+ // Cancel any pollable I/O
+ usbi_remove_pollfd(ctx, wfd.fd);
+ usbi_free_fd(&wfd);
+ wfd = handle_to_winfd(winusb_handle);
+ }
+
+ if ( (winusb_handle != 0) && (winusb_handle != INVALID_HANDLE_VALUE)) {
+ for (j=0; j<priv->usb_interface[i].nb_endpoints; j++) {
+ usbi_dbg("resetting ep %02X", priv->usb_interface[i].endpoint[j]);
+ if (!WinUSBX[sub_api].AbortPipe(winusb_handle, priv->usb_interface[i].endpoint[j])) {
+ usbi_err(ctx, "AbortPipe (pipe address %02X) failed: %s",
+ priv->usb_interface[i].endpoint[j], windows_error_str(0));
+ }
+ // FlushPipe seems to fail on OUT pipes
+ if (IS_EPIN(priv->usb_interface[i].endpoint[j])
+ && (!WinUSBX[sub_api].FlushPipe(winusb_handle, priv->usb_interface[i].endpoint[j])) ) {
+ usbi_err(ctx, "FlushPipe (pipe address %02X) failed: %s",
+ priv->usb_interface[i].endpoint[j], windows_error_str(0));
+ }
+ if (!WinUSBX[sub_api].ResetPipe(winusb_handle, priv->usb_interface[i].endpoint[j])) {
+ usbi_err(ctx, "ResetPipe (pipe address %02X) failed: %s",
+ priv->usb_interface[i].endpoint[j], windows_error_str(0));
+ }
+ }
+ }
+ }
+
+ // libusbK & libusb0 have the ability to issue an actual device reset
+ if (WinUSBX[sub_api].ResetDevice != NULL) {
+ winusb_handle = handle_priv->interface_handle[0].api_handle;
+ if ( (winusb_handle != 0) && (winusb_handle != INVALID_HANDLE_VALUE)) {
+ WinUSBX[sub_api].ResetDevice(winusb_handle);
+ }
+ }
+ return LIBUSB_SUCCESS;
+}
+
+static int winusbx_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size)
+{
+ itransfer->transferred += io_size;
+ return LIBUSB_TRANSFER_COMPLETED;
+}
+
+/*
+ * Internal HID Support functions (from libusb-win32)
+ * Note that functions that complete data transfer synchronously must return
+ * LIBUSB_COMPLETED instead of LIBUSB_SUCCESS
+ */
+static int _hid_get_hid_descriptor(struct hid_device_priv* dev, void *data, size_t *size);
+static int _hid_get_report_descriptor(struct hid_device_priv* dev, void *data, size_t *size);
+
+static int _hid_wcslen(WCHAR *str)
+{
+ int i = 0;
+ while (str[i] && (str[i] != 0x409)) {
+ i++;
+ }
+ return i;
+}
+
+static int _hid_get_device_descriptor(struct hid_device_priv* dev, void *data, size_t *size)
+{
+ struct libusb_device_descriptor d;
+
+ d.bLength = LIBUSB_DT_DEVICE_SIZE;
+ d.bDescriptorType = LIBUSB_DT_DEVICE;
+ d.bcdUSB = 0x0200; /* 2.00 */
+ d.bDeviceClass = 0;
+ d.bDeviceSubClass = 0;
+ d.bDeviceProtocol = 0;
+ d.bMaxPacketSize0 = 64; /* fix this! */
+ d.idVendor = (uint16_t)dev->vid;
+ d.idProduct = (uint16_t)dev->pid;
+ d.bcdDevice = 0x0100;
+ d.iManufacturer = dev->string_index[0];
+ d.iProduct = dev->string_index[1];
+ d.iSerialNumber = dev->string_index[2];
+ d.bNumConfigurations = 1;
+
+ if (*size > LIBUSB_DT_DEVICE_SIZE)
+ *size = LIBUSB_DT_DEVICE_SIZE;
+ memcpy(data, &d, *size);
+ return LIBUSB_COMPLETED;
+}
+
+static int _hid_get_config_descriptor(struct hid_device_priv* dev, void *data, size_t *size)
+{
+ char num_endpoints = 0;
+ size_t config_total_len = 0;
+ char tmp[HID_MAX_CONFIG_DESC_SIZE];
+ struct libusb_config_descriptor *cd;
+ struct libusb_interface_descriptor *id;
+ struct libusb_hid_descriptor *hd;
+ struct libusb_endpoint_descriptor *ed;
+ size_t tmp_size;
+
+ if (dev->input_report_size)
+ num_endpoints++;
+ if (dev->output_report_size)
+ num_endpoints++;
+
+ config_total_len = LIBUSB_DT_CONFIG_SIZE + LIBUSB_DT_INTERFACE_SIZE
+ + LIBUSB_DT_HID_SIZE + num_endpoints * LIBUSB_DT_ENDPOINT_SIZE;
+
+
+ cd = (struct libusb_config_descriptor *)tmp;
+ id = (struct libusb_interface_descriptor *)(tmp + LIBUSB_DT_CONFIG_SIZE);
+ hd = (struct libusb_hid_descriptor *)(tmp + LIBUSB_DT_CONFIG_SIZE
+ + LIBUSB_DT_INTERFACE_SIZE);
+ ed = (struct libusb_endpoint_descriptor *)(tmp + LIBUSB_DT_CONFIG_SIZE
+ + LIBUSB_DT_INTERFACE_SIZE
+ + LIBUSB_DT_HID_SIZE);
+
+ cd->bLength = LIBUSB_DT_CONFIG_SIZE;
+ cd->bDescriptorType = LIBUSB_DT_CONFIG;
+ cd->wTotalLength = (uint16_t) config_total_len;
+ cd->bNumInterfaces = 1;
+ cd->bConfigurationValue = 1;
+ cd->iConfiguration = 0;
+ cd->bmAttributes = 1 << 7; /* bus powered */
+ cd->MaxPower = 50;
+
+ id->bLength = LIBUSB_DT_INTERFACE_SIZE;
+ id->bDescriptorType = LIBUSB_DT_INTERFACE;
+ id->bInterfaceNumber = 0;
+ id->bAlternateSetting = 0;
+ id->bNumEndpoints = num_endpoints;
+ id->bInterfaceClass = 3;
+ id->bInterfaceSubClass = 0;
+ id->bInterfaceProtocol = 0;
+ id->iInterface = 0;
+
+ tmp_size = LIBUSB_DT_HID_SIZE;
+ _hid_get_hid_descriptor(dev, hd, &tmp_size);
+
+ if (dev->input_report_size) {
+ ed->bLength = LIBUSB_DT_ENDPOINT_SIZE;
+ ed->bDescriptorType = LIBUSB_DT_ENDPOINT;
+ ed->bEndpointAddress = HID_IN_EP;
+ ed->bmAttributes = 3;
+ ed->wMaxPacketSize = dev->input_report_size - 1;
+ ed->bInterval = 10;
+ ed = (struct libusb_endpoint_descriptor *)((char*)ed + LIBUSB_DT_ENDPOINT_SIZE);
+ }
+
+ if (dev->output_report_size) {
+ ed->bLength = LIBUSB_DT_ENDPOINT_SIZE;
+ ed->bDescriptorType = LIBUSB_DT_ENDPOINT;
+ ed->bEndpointAddress = HID_OUT_EP;
+ ed->bmAttributes = 3;
+ ed->wMaxPacketSize = dev->output_report_size - 1;
+ ed->bInterval = 10;
+ }
+
+ if (*size > config_total_len)
+ *size = config_total_len;
+ memcpy(data, tmp, *size);
+ return LIBUSB_COMPLETED;
+}
+
+static int _hid_get_string_descriptor(struct hid_device_priv* dev, int _index,
+ void *data, size_t *size)
+{
+ void *tmp = NULL;
+ size_t tmp_size = 0;
+ int i;
+
+ /* language ID, EN-US */
+ char string_langid[] = {
+ 0x09,
+ 0x04
+ };
+
+ if ((*size < 2) || (*size > 255)) {
+ return LIBUSB_ERROR_OVERFLOW;
+ }
+
+ if (_index == 0) {
+ tmp = string_langid;
+ tmp_size = sizeof(string_langid)+2;
+ } else {
+ for (i=0; i<3; i++) {
+ if (_index == (dev->string_index[i])) {
+ tmp = dev->string[i];
+ tmp_size = (_hid_wcslen(dev->string[i])+1) * sizeof(WCHAR);
+ break;
+ }
+ }
+ if (i == 3) { // not found
+ return LIBUSB_ERROR_INVALID_PARAM;
+ }
+ }
+
+ if(!tmp_size) {
+ return LIBUSB_ERROR_INVALID_PARAM;
+ }
+
+ if (tmp_size < *size) {
+ *size = tmp_size;
+ }
+ // 2 byte header
+ ((uint8_t*)data)[0] = (uint8_t)*size;
+ ((uint8_t*)data)[1] = LIBUSB_DT_STRING;
+ memcpy((uint8_t*)data+2, tmp, *size-2);
+ return LIBUSB_COMPLETED;
+}
+
+static int _hid_get_hid_descriptor(struct hid_device_priv* dev, void *data, size_t *size)
+{
+ struct libusb_hid_descriptor d;
+ uint8_t tmp[MAX_HID_DESCRIPTOR_SIZE];
+ size_t report_len = MAX_HID_DESCRIPTOR_SIZE;
+
+ _hid_get_report_descriptor(dev, tmp, &report_len);
+
+ d.bLength = LIBUSB_DT_HID_SIZE;
+ d.bDescriptorType = LIBUSB_DT_HID;
+ d.bcdHID = 0x0110; /* 1.10 */
+ d.bCountryCode = 0;
+ d.bNumDescriptors = 1;
+ d.bClassDescriptorType = LIBUSB_DT_REPORT;
+ d.wClassDescriptorLength = (uint16_t)report_len;
+
+ if (*size > LIBUSB_DT_HID_SIZE)
+ *size = LIBUSB_DT_HID_SIZE;
+ memcpy(data, &d, *size);
+ return LIBUSB_COMPLETED;
+}
+
+static int _hid_get_report_descriptor(struct hid_device_priv* dev, void *data, size_t *size)
+{
+ uint8_t d[MAX_HID_DESCRIPTOR_SIZE];
+ size_t i = 0;
+
+ /* usage page (0xFFA0 == vendor defined) */
+ d[i++] = 0x06; d[i++] = 0xA0; d[i++] = 0xFF;
+ /* usage (vendor defined) */
+ d[i++] = 0x09; d[i++] = 0x01;
+ /* start collection (application) */
+ d[i++] = 0xA1; d[i++] = 0x01;
+ /* input report */
+ if (dev->input_report_size) {
+ /* usage (vendor defined) */
+ d[i++] = 0x09; d[i++] = 0x01;
+ /* logical minimum (0) */
+ d[i++] = 0x15; d[i++] = 0x00;
+ /* logical maximum (255) */
+ d[i++] = 0x25; d[i++] = 0xFF;
+ /* report size (8 bits) */
+ d[i++] = 0x75; d[i++] = 0x08;
+ /* report count */
+ d[i++] = 0x95; d[i++] = (uint8_t)dev->input_report_size - 1;
+ /* input (data, variable, absolute) */
+ d[i++] = 0x81; d[i++] = 0x00;
+ }
+ /* output report */
+ if (dev->output_report_size) {
+ /* usage (vendor defined) */
+ d[i++] = 0x09; d[i++] = 0x02;
+ /* logical minimum (0) */
+ d[i++] = 0x15; d[i++] = 0x00;
+ /* logical maximum (255) */
+ d[i++] = 0x25; d[i++] = 0xFF;
+ /* report size (8 bits) */
+ d[i++] = 0x75; d[i++] = 0x08;
+ /* report count */
+ d[i++] = 0x95; d[i++] = (uint8_t)dev->output_report_size - 1;
+ /* output (data, variable, absolute) */
+ d[i++] = 0x91; d[i++] = 0x00;
+ }
+ /* feature report */
+ if (dev->feature_report_size) {
+ /* usage (vendor defined) */
+ d[i++] = 0x09; d[i++] = 0x03;
+ /* logical minimum (0) */
+ d[i++] = 0x15; d[i++] = 0x00;
+ /* logical maximum (255) */
+ d[i++] = 0x25; d[i++] = 0xFF;
+ /* report size (8 bits) */
+ d[i++] = 0x75; d[i++] = 0x08;
+ /* report count */
+ d[i++] = 0x95; d[i++] = (uint8_t)dev->feature_report_size - 1;
+ /* feature (data, variable, absolute) */
+ d[i++] = 0xb2; d[i++] = 0x02; d[i++] = 0x01;
+ }
+
+ /* end collection */
+ d[i++] = 0xC0;
+
+ if (*size > i)
+ *size = i;
+ memcpy(data, d, *size);
+ return LIBUSB_COMPLETED;
+}
+
+static int _hid_get_descriptor(struct hid_device_priv* dev, HANDLE hid_handle, int recipient,
+ int type, int _index, void *data, size_t *size)
+{
+ switch(type) {
+ case LIBUSB_DT_DEVICE:
+ usbi_dbg("LIBUSB_DT_DEVICE");
+ return _hid_get_device_descriptor(dev, data, size);
+ case LIBUSB_DT_CONFIG:
+ usbi_dbg("LIBUSB_DT_CONFIG");
+ if (!_index)
+ return _hid_get_config_descriptor(dev, data, size);
+ return LIBUSB_ERROR_INVALID_PARAM;
+ case LIBUSB_DT_STRING:
+ usbi_dbg("LIBUSB_DT_STRING");
+ return _hid_get_string_descriptor(dev, _index, data, size);
+ case LIBUSB_DT_HID:
+ usbi_dbg("LIBUSB_DT_HID");
+ if (!_index)
+ return _hid_get_hid_descriptor(dev, data, size);
+ return LIBUSB_ERROR_INVALID_PARAM;
+ case LIBUSB_DT_REPORT:
+ usbi_dbg("LIBUSB_DT_REPORT");
+ if (!_index)
+ return _hid_get_report_descriptor(dev, data, size);
+ return LIBUSB_ERROR_INVALID_PARAM;
+ case LIBUSB_DT_PHYSICAL:
+ usbi_dbg("LIBUSB_DT_PHYSICAL");
+ if (HidD_GetPhysicalDescriptor(hid_handle, data, (ULONG)*size))
+ return LIBUSB_COMPLETED;
+ return LIBUSB_ERROR_OTHER;
+ }
+ usbi_dbg("unsupported");
+ return LIBUSB_ERROR_NOT_SUPPORTED;
+}
+
+static int _hid_get_report(struct hid_device_priv* dev, HANDLE hid_handle, int id, void *data,
+ struct windows_transfer_priv *tp, size_t *size, OVERLAPPED* overlapped,
+ int report_type)
+{
+ uint8_t *buf;
+ DWORD ioctl_code, read_size, expected_size = (DWORD)*size;
+ int r = LIBUSB_SUCCESS;
+
+ if (tp->hid_buffer != NULL) {
+ usbi_dbg("program assertion failed: hid_buffer is not NULL");
+ }
+
+ if ((*size == 0) || (*size > MAX_HID_REPORT_SIZE)) {
+ usbi_dbg("invalid size (%u)", *size);
+ return LIBUSB_ERROR_INVALID_PARAM;
+ }
+
+ switch (report_type) {
+ case HID_REPORT_TYPE_INPUT:
+ ioctl_code = IOCTL_HID_GET_INPUT_REPORT;
+ break;
+ case HID_REPORT_TYPE_FEATURE:
+ ioctl_code = IOCTL_HID_GET_FEATURE;
+ break;
+ default:
+ usbi_dbg("unknown HID report type %d", report_type);
+ return LIBUSB_ERROR_INVALID_PARAM;
+ }
+
+ // Add a trailing byte to detect overflows
+ buf = (uint8_t*)calloc(expected_size+1, 1);
+ if (buf == NULL) {
+ return LIBUSB_ERROR_NO_MEM;
+ }
+ buf[0] = (uint8_t)id; // Must be set always
+ usbi_dbg("report ID: 0x%02X", buf[0]);
+
+ tp->hid_expected_size = expected_size;
+ read_size = expected_size;
+
+ // NB: The size returned by DeviceIoControl doesn't include report IDs when not in use (0)
+ if (!DeviceIoControl(hid_handle, ioctl_code, buf, expected_size+1,
+ buf, expected_size+1, &read_size, overlapped)) {
+ if (GetLastError() != ERROR_IO_PENDING) {
+ usbi_dbg("Failed to Read HID Report: %s", windows_error_str(0));
+ safe_free(buf);
+ return LIBUSB_ERROR_IO;
+ }
+ // Asynchronous wait
+ tp->hid_buffer = buf;
+ tp->hid_dest = (uint8_t*)data; // copy dest, as not necessarily the start of the transfer buffer
+ return LIBUSB_SUCCESS;
+ }
+
+ // Transfer completed synchronously => copy and discard extra buffer
+ if (read_size == 0) {
+ usbi_warn(NULL, "program assertion failed - read completed synchronously, but no data was read");
+ *size = 0;
+ } else {
+ if (buf[0] != id) {
+ usbi_warn(NULL, "mismatched report ID (data is %02X, parameter is %02X)", buf[0], id);
+ }
+ if ((size_t)read_size > expected_size) {
+ r = LIBUSB_ERROR_OVERFLOW;
+ usbi_dbg("OVERFLOW!");
+ } else {
+ r = LIBUSB_COMPLETED;
+ }
+
+ *size = MIN((size_t)read_size, *size);
+ if (id == 0) {
+ // Discard report ID
+ memcpy(data, buf+1, *size);
+ } else {
+ memcpy(data, buf, *size);
+ }
+ }
+ safe_free(buf);
+ return r;
+}
+
+static int _hid_set_report(struct hid_device_priv* dev, HANDLE hid_handle, int id, void *data,
+ struct windows_transfer_priv *tp, size_t *size, OVERLAPPED* overlapped,
+ int report_type)
+{
+ uint8_t *buf = NULL;
+ DWORD ioctl_code, write_size= (DWORD)*size;
+
+ if (tp->hid_buffer != NULL) {
+ usbi_dbg("program assertion failed: hid_buffer is not NULL");
+ }
+
+ if ((*size == 0) || (*size > MAX_HID_REPORT_SIZE)) {
+ usbi_dbg("invalid size (%u)", *size);
+ return LIBUSB_ERROR_INVALID_PARAM;
+ }
+
+ switch (report_type) {
+ case HID_REPORT_TYPE_OUTPUT:
+ ioctl_code = IOCTL_HID_SET_OUTPUT_REPORT;
+ break;
+ case HID_REPORT_TYPE_FEATURE:
+ ioctl_code = IOCTL_HID_SET_FEATURE;
+ break;
+ default:
+ usbi_dbg("unknown HID report type %d", report_type);
+ return LIBUSB_ERROR_INVALID_PARAM;
+ }
+
+ usbi_dbg("report ID: 0x%02X", id);
+ // When report IDs are not used (i.e. when id == 0), we must add
+ // a null report ID. Otherwise, we just use original data buffer
+ if (id == 0) {
+ write_size++;
+ }
+ buf = (uint8_t*) malloc(write_size);
+ if (buf == NULL) {
+ return LIBUSB_ERROR_NO_MEM;
+ }
+ if (id == 0) {
+ buf[0] = 0;
+ memcpy(buf + 1, data, *size);
+ } else {
+ // This seems like a waste, but if we don't duplicate the
+ // data, we'll get issues when freeing hid_buffer
+ memcpy(buf, data, *size);
+ if (buf[0] != id) {
+ usbi_warn(NULL, "mismatched report ID (data is %02X, parameter is %02X)", buf[0], id);
+ }
+ }
+
+ // NB: The size returned by DeviceIoControl doesn't include report IDs when not in use (0)
+ if (!DeviceIoControl(hid_handle, ioctl_code, buf, write_size,
+ buf, write_size, &write_size, overlapped)) {
+ if (GetLastError() != ERROR_IO_PENDING) {
+ usbi_dbg("Failed to Write HID Output Report: %s", windows_error_str(0));
+ safe_free(buf);
+ return LIBUSB_ERROR_IO;
+ }
+ tp->hid_buffer = buf;
+ tp->hid_dest = NULL;
+ return LIBUSB_SUCCESS;
+ }
+
+ // Transfer completed synchronously
+ *size = write_size;
+ if (write_size == 0) {
+ usbi_dbg("program assertion failed - write completed synchronously, but no data was written");
+ }
+ safe_free(buf);
+ return LIBUSB_COMPLETED;
+}
+
+static int _hid_class_request(struct hid_device_priv* dev, HANDLE hid_handle, int request_type,
+ int request, int value, int _index, void *data, struct windows_transfer_priv *tp,
+ size_t *size, OVERLAPPED* overlapped)
+{
+ int report_type = (value >> 8) & 0xFF;
+ int report_id = value & 0xFF;
+
+ if ( (LIBUSB_REQ_RECIPIENT(request_type) != LIBUSB_RECIPIENT_INTERFACE)
+ && (LIBUSB_REQ_RECIPIENT(request_type) != LIBUSB_RECIPIENT_DEVICE) )
+ return LIBUSB_ERROR_INVALID_PARAM;
+
+ if (LIBUSB_REQ_OUT(request_type) && request == HID_REQ_SET_REPORT)
+ return _hid_set_report(dev, hid_handle, report_id, data, tp, size, overlapped, report_type);
+
+ if (LIBUSB_REQ_IN(request_type) && request == HID_REQ_GET_REPORT)
+ return _hid_get_report(dev, hid_handle, report_id, data, tp, size, overlapped, report_type);
+
+ return LIBUSB_ERROR_INVALID_PARAM;
+}
+
+
+/*
+ * HID API functions
+ */
+static int hid_init(int sub_api, struct libusb_context *ctx)
+{
+ DLL_LOAD(hid.dll, HidD_GetAttributes, TRUE);
+ DLL_LOAD(hid.dll, HidD_GetHidGuid, TRUE);
+ DLL_LOAD(hid.dll, HidD_GetPreparsedData, TRUE);
+ DLL_LOAD(hid.dll, HidD_FreePreparsedData, TRUE);
+ DLL_LOAD(hid.dll, HidD_GetManufacturerString, TRUE);
+ DLL_LOAD(hid.dll, HidD_GetProductString, TRUE);
+ DLL_LOAD(hid.dll, HidD_GetSerialNumberString, TRUE);
+ DLL_LOAD(hid.dll, HidP_GetCaps, TRUE);
+ DLL_LOAD(hid.dll, HidD_SetNumInputBuffers, TRUE);
+ DLL_LOAD(hid.dll, HidD_SetFeature, TRUE);
+ DLL_LOAD(hid.dll, HidD_GetFeature, TRUE);
+ DLL_LOAD(hid.dll, HidD_GetPhysicalDescriptor, TRUE);
+ DLL_LOAD(hid.dll, HidD_GetInputReport, FALSE);
+ DLL_LOAD(hid.dll, HidD_SetOutputReport, FALSE);
+ DLL_LOAD(hid.dll, HidD_FlushQueue, TRUE);
+ DLL_LOAD(hid.dll, HidP_GetValueCaps, TRUE);
+
+ api_hid_available = true;
+ return LIBUSB_SUCCESS;
+}
+
+static int hid_exit(int sub_api)
+{
+ return LIBUSB_SUCCESS;
+}
+
+// NB: open and close must ensure that they only handle interface of
+// the right API type, as these functions can be called wholesale from
+// composite_open(), with interfaces belonging to different APIs
+static int hid_open(int sub_api, struct libusb_device_handle *dev_handle)
+{
+ struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+
+ HIDD_ATTRIBUTES hid_attributes;
+ PHIDP_PREPARSED_DATA preparsed_data = NULL;
+ HIDP_CAPS capabilities;
+ HIDP_VALUE_CAPS *value_caps;
+
+ HANDLE hid_handle = INVALID_HANDLE_VALUE;
+ int i, j;
+ // report IDs handling
+ ULONG size[3];
+ const char* type[3] = {"input", "output", "feature"};
+ int nb_ids[2]; // zero and nonzero report IDs
+
+ CHECK_HID_AVAILABLE;
+ if (priv->hid == NULL) {
+ usbi_err(ctx, "program assertion failed - private HID structure is unitialized");
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+
+ for (i = 0; i < USB_MAXINTERFACES; i++) {
+ if ( (priv->usb_interface[i].path != NULL)
+ && (priv->usb_interface[i].apib->id == USB_API_HID) ) {
+ hid_handle = CreateFileA(priv->usb_interface[i].path, GENERIC_WRITE | GENERIC_READ, FILE_SHARE_WRITE | FILE_SHARE_READ,
+ NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, NULL);
+ /*
+ * http://www.lvr.com/hidfaq.htm: Why do I receive "Access denied" when attempting to access my HID?
+ * "Windows 2000 and later have exclusive read/write access to HIDs that are configured as a system
+ * keyboards or mice. An application can obtain a handle to a system keyboard or mouse by not
+ * requesting READ or WRITE access with CreateFile. Applications can then use HidD_SetFeature and
+ * HidD_GetFeature (if the device supports Feature reports)."
+ */
+ if (hid_handle == INVALID_HANDLE_VALUE) {
+ usbi_warn(ctx, "could not open HID device in R/W mode (keyboard or mouse?) - trying without");
+ hid_handle = CreateFileA(priv->usb_interface[i].path, 0, FILE_SHARE_WRITE | FILE_SHARE_READ,
+ NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, NULL);
+ if (hid_handle == INVALID_HANDLE_VALUE) {
+ usbi_err(ctx, "could not open device %s (interface %d): %s", priv->path, i, windows_error_str(0));
+ switch(GetLastError()) {
+ case ERROR_FILE_NOT_FOUND: // The device was disconnected
+ return LIBUSB_ERROR_NO_DEVICE;
+ case ERROR_ACCESS_DENIED:
+ return LIBUSB_ERROR_ACCESS;
+ default:
+ return LIBUSB_ERROR_IO;
+ }
+ }
+ priv->usb_interface[i].restricted_functionality = true;
+ }
+ handle_priv->interface_handle[i].api_handle = hid_handle;
+ }
+ }
+
+ hid_attributes.Size = sizeof(hid_attributes);
+ do {
+ if (!HidD_GetAttributes(hid_handle, &hid_attributes)) {
+ usbi_err(ctx, "could not gain access to HID top collection (HidD_GetAttributes)");
+ break;
+ }
+
+ priv->hid->vid = hid_attributes.VendorID;
+ priv->hid->pid = hid_attributes.ProductID;
+
+ // Set the maximum available input buffer size
+ for (i=32; HidD_SetNumInputBuffers(hid_handle, i); i*=2);
+ usbi_dbg("set maximum input buffer size to %d", i/2);
+
+ // Get the maximum input and output report size
+ if (!HidD_GetPreparsedData(hid_handle, &preparsed_data) || !preparsed_data) {
+ usbi_err(ctx, "could not read HID preparsed data (HidD_GetPreparsedData)");
+ break;
+ }
+ if (HidP_GetCaps(preparsed_data, &capabilities) != HIDP_STATUS_SUCCESS) {
+ usbi_err(ctx, "could not parse HID capabilities (HidP_GetCaps)");
+ break;
+ }
+
+ // Find out if interrupt will need report IDs
+ size[0] = capabilities.NumberInputValueCaps;
+ size[1] = capabilities.NumberOutputValueCaps;
+ size[2] = capabilities.NumberFeatureValueCaps;
+ for (j=HidP_Input; j<=HidP_Feature; j++) {
+ usbi_dbg("%u HID %s report value(s) found", (unsigned int)size[j], type[j]);
+ priv->hid->uses_report_ids[j] = false;
+ if (size[j] > 0) {
+ value_caps = (HIDP_VALUE_CAPS*) calloc(size[j], sizeof(HIDP_VALUE_CAPS));
+ if ( (value_caps != NULL)
+ && (HidP_GetValueCaps((HIDP_REPORT_TYPE)j, value_caps, &size[j], preparsed_data) == HIDP_STATUS_SUCCESS)
+ && (size[j] >= 1) ) {
+ nb_ids[0] = 0;
+ nb_ids[1] = 0;
+ for (i=0; i<(int)size[j]; i++) {
+ usbi_dbg(" Report ID: 0x%02X", value_caps[i].ReportID);
+ if (value_caps[i].ReportID != 0) {
+ nb_ids[1]++;
+ } else {
+ nb_ids[0]++;
+ }
+ }
+ if (nb_ids[1] != 0) {
+ if (nb_ids[0] != 0) {
+ usbi_warn(ctx, "program assertion failed: zero and nonzero report IDs used for %s",
+ type[j]);
+ }
+ priv->hid->uses_report_ids[j] = true;
+ }
+ } else {
+ usbi_warn(ctx, " could not process %s report IDs", type[j]);
+ }
+ safe_free(value_caps);
+ }
+ }
+
+ // Set the report sizes
+ priv->hid->input_report_size = capabilities.InputReportByteLength;
+ priv->hid->output_report_size = capabilities.OutputReportByteLength;
+ priv->hid->feature_report_size = capabilities.FeatureReportByteLength;
+
+ // Fetch string descriptors
+ priv->hid->string_index[0] = priv->dev_descriptor.iManufacturer;
+ if (priv->hid->string_index[0] != 0) {
+ HidD_GetManufacturerString(hid_handle, priv->hid->string[0],
+ sizeof(priv->hid->string[0]));
+ } else {
+ priv->hid->string[0][0] = 0;
+ }
+ priv->hid->string_index[1] = priv->dev_descriptor.iProduct;
+ if (priv->hid->string_index[1] != 0) {
+ HidD_GetProductString(hid_handle, priv->hid->string[1],
+ sizeof(priv->hid->string[1]));
+ } else {
+ priv->hid->string[1][0] = 0;
+ }
+ priv->hid->string_index[2] = priv->dev_descriptor.iSerialNumber;
+ if (priv->hid->string_index[2] != 0) {
+ HidD_GetSerialNumberString(hid_handle, priv->hid->string[2],
+ sizeof(priv->hid->string[2]));
+ } else {
+ priv->hid->string[2][0] = 0;
+ }
+ } while(0);
+
+ if (preparsed_data) {
+ HidD_FreePreparsedData(preparsed_data);
+ }
+
+ return LIBUSB_SUCCESS;
+}
+
+static void hid_close(int sub_api, struct libusb_device_handle *dev_handle)
+{
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+ HANDLE file_handle;
+ int i;
+
+ if (!api_hid_available)
+ return;
+
+ for (i = 0; i < USB_MAXINTERFACES; i++) {
+ if (priv->usb_interface[i].apib->id == USB_API_HID) {
+ file_handle = handle_priv->interface_handle[i].api_handle;
+ if ( (file_handle != 0) && (file_handle != INVALID_HANDLE_VALUE)) {
+ CloseHandle(file_handle);
+ }
+ }
+ }
+}
+
+static int hid_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface)
+{
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+
+ CHECK_HID_AVAILABLE;
+
+ // NB: Disconnection detection is not possible in this function
+ if (priv->usb_interface[iface].path == NULL) {
+ return LIBUSB_ERROR_NOT_FOUND; // invalid iface
+ }
+
+ // We use dev_handle as a flag for interface claimed
+ if (handle_priv->interface_handle[iface].dev_handle == INTERFACE_CLAIMED) {
+ return LIBUSB_ERROR_BUSY; // already claimed
+ }
+
+ handle_priv->interface_handle[iface].dev_handle = INTERFACE_CLAIMED;
+
+ usbi_dbg("claimed interface %d", iface);
+ handle_priv->active_interface = iface;
+
+ return LIBUSB_SUCCESS;
+}
+
+static int hid_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface)
+{
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+
+ CHECK_HID_AVAILABLE;
+
+ if (priv->usb_interface[iface].path == NULL) {
+ return LIBUSB_ERROR_NOT_FOUND; // invalid iface
+ }
+
+ if (handle_priv->interface_handle[iface].dev_handle != INTERFACE_CLAIMED) {
+ return LIBUSB_ERROR_NOT_FOUND; // invalid iface
+ }
+
+ handle_priv->interface_handle[iface].dev_handle = INVALID_HANDLE_VALUE;
+
+ return LIBUSB_SUCCESS;
+}
+
+static int hid_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting)
+{
+ struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
+
+ CHECK_HID_AVAILABLE;
+
+ if (altsetting > 255) {
+ return LIBUSB_ERROR_INVALID_PARAM;
+ }
+
+ if (altsetting != 0) {
+ usbi_err(ctx, "set interface altsetting not supported for altsetting >0");
+ return LIBUSB_ERROR_NOT_SUPPORTED;
+ }
+
+ return LIBUSB_SUCCESS;
+}
+
+static int hid_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(transfer->dev_handle);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+ struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
+ WINUSB_SETUP_PACKET *setup = (WINUSB_SETUP_PACKET *) transfer->buffer;
+ HANDLE hid_handle;
+ struct winfd wfd;
+ int current_interface, config;
+ size_t size;
+ int r = LIBUSB_ERROR_INVALID_PARAM;
+
+ CHECK_HID_AVAILABLE;
+
+ transfer_priv->pollable_fd = INVALID_WINFD;
+ safe_free(transfer_priv->hid_buffer);
+ transfer_priv->hid_dest = NULL;
+ size = transfer->length - LIBUSB_CONTROL_SETUP_SIZE;
+
+ if (size > MAX_CTRL_BUFFER_LENGTH) {
+ return LIBUSB_ERROR_INVALID_PARAM;
+ }
+
+ current_interface = get_valid_interface(transfer->dev_handle, USB_API_HID);
+ if (current_interface < 0) {
+ if (auto_claim(transfer, ¤t_interface, USB_API_HID) != LIBUSB_SUCCESS) {
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+ }
+
+ usbi_dbg("will use interface %d", current_interface);
+ hid_handle = handle_priv->interface_handle[current_interface].api_handle;
+ // Always use the handle returned from usbi_create_fd (wfd.handle)
+ wfd = usbi_create_fd(hid_handle, RW_READ, NULL, NULL);
+ if (wfd.fd < 0) {
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+
+ switch(LIBUSB_REQ_TYPE(setup->request_type)) {
+ case LIBUSB_REQUEST_TYPE_STANDARD:
+ switch(setup->request) {
+ case LIBUSB_REQUEST_GET_DESCRIPTOR:
+ r = _hid_get_descriptor(priv->hid, wfd.handle, LIBUSB_REQ_RECIPIENT(setup->request_type),
+ (setup->value >> 8) & 0xFF, setup->value & 0xFF, transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE, &size);
+ break;
+ case LIBUSB_REQUEST_GET_CONFIGURATION:
+ r = windows_get_configuration(transfer->dev_handle, &config);
+ if (r == LIBUSB_SUCCESS) {
+ size = 1;
+ ((uint8_t*)transfer->buffer)[LIBUSB_CONTROL_SETUP_SIZE] = (uint8_t)config;
+ r = LIBUSB_COMPLETED;
+ }
+ break;
+ case LIBUSB_REQUEST_SET_CONFIGURATION:
+ if (setup->value == priv->active_config) {
+ r = LIBUSB_COMPLETED;
+ } else {
+ usbi_warn(ctx, "cannot set configuration other than the default one");
+ r = LIBUSB_ERROR_NOT_SUPPORTED;
+ }
+ break;
+ case LIBUSB_REQUEST_GET_INTERFACE:
+ size = 1;
+ ((uint8_t*)transfer->buffer)[LIBUSB_CONTROL_SETUP_SIZE] = 0;
+ r = LIBUSB_COMPLETED;
+ break;
+ case LIBUSB_REQUEST_SET_INTERFACE:
+ r = hid_set_interface_altsetting(0, transfer->dev_handle, setup->index, setup->value);
+ if (r == LIBUSB_SUCCESS) {
+ r = LIBUSB_COMPLETED;
+ }
+ break;
+ default:
+ usbi_warn(ctx, "unsupported HID control request");
+ r = LIBUSB_ERROR_NOT_SUPPORTED;
+ break;
+ }
+ break;
+ case LIBUSB_REQUEST_TYPE_CLASS:
+ r =_hid_class_request(priv->hid, wfd.handle, setup->request_type, setup->request, setup->value,
+ setup->index, transfer->buffer + LIBUSB_CONTROL_SETUP_SIZE, transfer_priv,
+ &size, wfd.overlapped);
+ break;
+ default:
+ usbi_warn(ctx, "unsupported HID control request");
+ r = LIBUSB_ERROR_NOT_SUPPORTED;
+ break;
+ }
+
+ if (r == LIBUSB_COMPLETED) {
+ // Force request to be completed synchronously. Transferred size has been set by previous call
+ wfd.overlapped->Internal = STATUS_COMPLETED_SYNCHRONOUSLY;
+ // http://msdn.microsoft.com/en-us/library/ms684342%28VS.85%29.aspx
+ // set InternalHigh to the number of bytes transferred
+ wfd.overlapped->InternalHigh = (DWORD)size;
+ r = LIBUSB_SUCCESS;
+ }
+
+ if (r == LIBUSB_SUCCESS) {
+ // Use priv_transfer to store data needed for async polling
+ transfer_priv->pollable_fd = wfd;
+ transfer_priv->interface_number = (uint8_t)current_interface;
+ } else {
+ usbi_free_fd(&wfd);
+ }
+
+ return r;
+}
+
+static int hid_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer) {
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
+ struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(transfer->dev_handle);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+ struct winfd wfd;
+ HANDLE hid_handle;
+ bool direction_in, ret;
+ int current_interface, length;
+ DWORD size;
+ int r = LIBUSB_SUCCESS;
+
+ CHECK_HID_AVAILABLE;
+
+ transfer_priv->pollable_fd = INVALID_WINFD;
+ transfer_priv->hid_dest = NULL;
+ safe_free(transfer_priv->hid_buffer);
+
+ current_interface = interface_by_endpoint(priv, handle_priv, transfer->endpoint);
+ if (current_interface < 0) {
+ usbi_err(ctx, "unable to match endpoint to an open interface - cancelling transfer");
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+
+ usbi_dbg("matched endpoint %02X with interface %d", transfer->endpoint, current_interface);
+
+ hid_handle = handle_priv->interface_handle[current_interface].api_handle;
+ direction_in = transfer->endpoint & LIBUSB_ENDPOINT_IN;
+
+ wfd = usbi_create_fd(hid_handle, direction_in?RW_READ:RW_WRITE, NULL, NULL);
+ // Always use the handle returned from usbi_create_fd (wfd.handle)
+ if (wfd.fd < 0) {
+ return LIBUSB_ERROR_NO_MEM;
+ }
+
+ // If report IDs are not in use, an extra prefix byte must be added
+ if ( ((direction_in) && (!priv->hid->uses_report_ids[0]))
+ || ((!direction_in) && (!priv->hid->uses_report_ids[1])) ) {
+ length = transfer->length+1;
+ } else {
+ length = transfer->length;
+ }
+ // Add a trailing byte to detect overflows on input
+ transfer_priv->hid_buffer = (uint8_t*)calloc(length+1, 1);
+ if (transfer_priv->hid_buffer == NULL) {
+ return LIBUSB_ERROR_NO_MEM;
+ }
+ transfer_priv->hid_expected_size = length;
+
+ if (direction_in) {
+ transfer_priv->hid_dest = transfer->buffer;
+ usbi_dbg("reading %d bytes (report ID: 0x00)", length);
+ ret = ReadFile(wfd.handle, transfer_priv->hid_buffer, length+1, &size, wfd.overlapped);
+ } else {
+ if (!priv->hid->uses_report_ids[1]) {
+ memcpy(transfer_priv->hid_buffer+1, transfer->buffer, transfer->length);
+ } else {
+ // We could actually do without the calloc and memcpy in this case
+ memcpy(transfer_priv->hid_buffer, transfer->buffer, transfer->length);
+ }
+ usbi_dbg("writing %d bytes (report ID: 0x%02X)", length, transfer_priv->hid_buffer[0]);
+ ret = WriteFile(wfd.handle, transfer_priv->hid_buffer, length, &size, wfd.overlapped);
+ }
+ if (!ret) {
+ if (GetLastError() != ERROR_IO_PENDING) {
+ usbi_err(ctx, "HID transfer failed: %s", windows_error_str(0));
+ usbi_free_fd(&wfd);
+ safe_free(transfer_priv->hid_buffer);
+ return LIBUSB_ERROR_IO;
+ }
+ } else {
+ // Only write operations that completed synchronously need to free up
+ // hid_buffer. For reads, copy_transfer_data() handles that process.
+ if (!direction_in) {
+ safe_free(transfer_priv->hid_buffer);
+ }
+ if (size == 0) {
+ usbi_err(ctx, "program assertion failed - no data was transferred");
+ size = 1;
+ }
+ if (size > (size_t)length) {
+ usbi_err(ctx, "OVERFLOW!");
+ r = LIBUSB_ERROR_OVERFLOW;
+ }
+ wfd.overlapped->Internal = STATUS_COMPLETED_SYNCHRONOUSLY;
+ wfd.overlapped->InternalHigh = size;
+ }
+
+ transfer_priv->pollable_fd = wfd;
+ transfer_priv->interface_number = (uint8_t)current_interface;
+
+ return r;
+}
+
+static int hid_abort_transfers(int sub_api, struct usbi_transfer *itransfer)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct windows_transfer_priv *transfer_priv = (struct windows_transfer_priv*)usbi_transfer_get_os_priv(itransfer);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(transfer->dev_handle);
+ HANDLE hid_handle;
+ int current_interface;
+
+ CHECK_HID_AVAILABLE;
+
+ current_interface = transfer_priv->interface_number;
+ hid_handle = handle_priv->interface_handle[current_interface].api_handle;
+ CancelIo(hid_handle);
+
+ return LIBUSB_SUCCESS;
+}
+
+static int hid_reset_device(int sub_api, struct libusb_device_handle *dev_handle)
+{
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+ HANDLE hid_handle;
+ int current_interface;
+
+ CHECK_HID_AVAILABLE;
+
+ // Flushing the queues on all interfaces is the best we can achieve
+ for (current_interface = 0; current_interface < USB_MAXINTERFACES; current_interface++) {
+ hid_handle = handle_priv->interface_handle[current_interface].api_handle;
+ if ((hid_handle != 0) && (hid_handle != INVALID_HANDLE_VALUE)) {
+ HidD_FlushQueue(hid_handle);
+ }
+ }
+ return LIBUSB_SUCCESS;
+}
+
+static int hid_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint)
+{
+ struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ HANDLE hid_handle;
+ int current_interface;
+
+ CHECK_HID_AVAILABLE;
+
+ current_interface = interface_by_endpoint(priv, handle_priv, endpoint);
+ if (current_interface < 0) {
+ usbi_err(ctx, "unable to match endpoint to an open interface - cannot clear");
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+
+ usbi_dbg("matched endpoint %02X with interface %d", endpoint, current_interface);
+ hid_handle = handle_priv->interface_handle[current_interface].api_handle;
+
+ // No endpoint selection with Microsoft's implementation, so we try to flush the
+ // whole interface. Should be OK for most case scenarios
+ if (!HidD_FlushQueue(hid_handle)) {
+ usbi_err(ctx, "Flushing of HID queue failed: %s", windows_error_str(0));
+ // Device was probably disconnected
+ return LIBUSB_ERROR_NO_DEVICE;
+ }
+
+ return LIBUSB_SUCCESS;
+}
+
+// This extra function is only needed for HID
+static int hid_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size) {
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
+ struct windows_transfer_priv *transfer_priv = usbi_transfer_get_os_priv(itransfer);
+ int r = LIBUSB_TRANSFER_COMPLETED;
+ uint32_t corrected_size = io_size;
+
+ if (transfer_priv->hid_buffer != NULL) {
+ // If we have a valid hid_buffer, it means the transfer was async
+ if (transfer_priv->hid_dest != NULL) { // Data readout
+ if (corrected_size > 0) {
+ // First, check for overflow
+ if (corrected_size > transfer_priv->hid_expected_size) {
+ usbi_err(ctx, "OVERFLOW!");
+ corrected_size = (uint32_t)transfer_priv->hid_expected_size;
+ r = LIBUSB_TRANSFER_OVERFLOW;
+ }
+
+ if (transfer_priv->hid_buffer[0] == 0) {
+ // Discard the 1 byte report ID prefix
+ corrected_size--;
+ memcpy(transfer_priv->hid_dest, transfer_priv->hid_buffer+1, corrected_size);
+ } else {
+ memcpy(transfer_priv->hid_dest, transfer_priv->hid_buffer, corrected_size);
+ }
+ }
+ transfer_priv->hid_dest = NULL;
+ }
+ // For write, we just need to free the hid buffer
+ safe_free(transfer_priv->hid_buffer);
+ }
+ itransfer->transferred += corrected_size;
+ return r;
+}
+
+
+/*
+ * Composite API functions
+ */
+static int composite_init(int sub_api, struct libusb_context *ctx)
+{
+ return LIBUSB_SUCCESS;
+}
+
+static int composite_exit(int sub_api)
+{
+ return LIBUSB_SUCCESS;
+}
+
+static int composite_open(int sub_api, struct libusb_device_handle *dev_handle)
+{
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ int r = LIBUSB_ERROR_NOT_FOUND;
+ uint8_t i;
+ // SUB_API_MAX+1 as the SUB_API_MAX pos is used to indicate availability of HID
+ bool available[SUB_API_MAX+1] = {0};
+
+ for (i=0; i<USB_MAXINTERFACES; i++) {
+ switch (priv->usb_interface[i].apib->id) {
+ case USB_API_WINUSBX:
+ if (priv->usb_interface[i].sub_api != SUB_API_NOTSET)
+ available[priv->usb_interface[i].sub_api] = true;
+ break;
+ case USB_API_HID:
+ available[SUB_API_MAX] = true;
+ break;
+ default:
+ break;
+ }
+ }
+
+ for (i=0; i<SUB_API_MAX; i++) { // WinUSB-like drivers
+ if (available[i]) {
+ r = usb_api_backend[USB_API_WINUSBX].open(i, dev_handle);
+ if (r != LIBUSB_SUCCESS) {
+ return r;
+ }
+ }
+ }
+ if (available[SUB_API_MAX]) { // HID driver
+ r = hid_open(SUB_API_NOTSET, dev_handle);
+ }
+ return r;
+}
+
+static void composite_close(int sub_api, struct libusb_device_handle *dev_handle)
+{
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ uint8_t i;
+ // SUB_API_MAX+1 as the SUB_API_MAX pos is used to indicate availability of HID
+ bool available[SUB_API_MAX+1] = {0};
+
+ for (i=0; i<USB_MAXINTERFACES; i++) {
+ switch (priv->usb_interface[i].apib->id) {
+ case USB_API_WINUSBX:
+ if (priv->usb_interface[i].sub_api != SUB_API_NOTSET)
+ available[priv->usb_interface[i].sub_api] = true;
+ break;
+ case USB_API_HID:
+ available[SUB_API_MAX] = true;
+ break;
+ default:
+ break;
+ }
+ }
+
+ for (i=0; i<SUB_API_MAX; i++) { // WinUSB-like drivers
+ if (available[i]) {
+ usb_api_backend[USB_API_WINUSBX].close(i, dev_handle);
+ }
+ }
+ if (available[SUB_API_MAX]) { // HID driver
+ hid_close(SUB_API_NOTSET, dev_handle);
+ }
+}
+
+static int composite_claim_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface)
+{
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ return priv->usb_interface[iface].apib->
+ claim_interface(priv->usb_interface[iface].sub_api, dev_handle, iface);
+}
+
+static int composite_set_interface_altsetting(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting)
+{
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ return priv->usb_interface[iface].apib->
+ set_interface_altsetting(priv->usb_interface[iface].sub_api, dev_handle, iface, altsetting);
+}
+
+static int composite_release_interface(int sub_api, struct libusb_device_handle *dev_handle, int iface)
+{
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ return priv->usb_interface[iface].apib->
+ release_interface(priv->usb_interface[iface].sub_api, dev_handle, iface);
+}
+
+static int composite_submit_control_transfer(int sub_api, struct usbi_transfer *itransfer)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+ struct libusb_config_descriptor *conf_desc;
+ WINUSB_SETUP_PACKET *setup = (WINUSB_SETUP_PACKET *) transfer->buffer;
+ int iface, pass, r;
+
+ // Interface shouldn't matter for control, but it does in practice, with Windows'
+ // restrictions with regards to accessing HID keyboards and mice. Try to target
+ // a specific interface first, if possible.
+ switch (LIBUSB_REQ_RECIPIENT(setup->request_type)) {
+ case LIBUSB_RECIPIENT_INTERFACE:
+ iface = setup->index & 0xFF;
+ break;
+ case LIBUSB_RECIPIENT_ENDPOINT:
+ r = libusb_get_config_descriptor(transfer->dev_handle->dev, (uint8_t)(priv->active_config-1), &conf_desc);
+ if (r == LIBUSB_SUCCESS) {
+ iface = get_interface_by_endpoint(conf_desc, (setup->index & 0xFF));
+ libusb_free_config_descriptor(conf_desc);
+ break;
+ }
+ // Fall through if not able to determine interface
+ default:
+ iface = -1;
+ break;
+ }
+
+ // Try and target a specific interface if the control setup indicates such
+ if ((iface >= 0) && (iface < USB_MAXINTERFACES)) {
+ usbi_dbg("attempting control transfer targeted to interface %d", iface);
+ if (priv->usb_interface[iface].path != NULL) {
+ r = priv->usb_interface[iface].apib->submit_control_transfer(priv->usb_interface[iface].sub_api, itransfer);
+ if (r == LIBUSB_SUCCESS) {
+ return r;
+ }
+ }
+ }
+
+ // Either not targeted to a specific interface or no luck in doing so.
+ // Try a 2 pass approach with all interfaces.
+ for (pass = 0; pass < 2; pass++) {
+ for (iface = 0; iface < USB_MAXINTERFACES; iface++) {
+ if (priv->usb_interface[iface].path != NULL) {
+ if ((pass == 0) && (priv->usb_interface[iface].restricted_functionality)) {
+ usbi_dbg("trying to skip restricted interface #%d (HID keyboard or mouse?)", iface);
+ continue;
+ }
+ usbi_dbg("using interface %d", iface);
+ r = priv->usb_interface[iface].apib->submit_control_transfer(priv->usb_interface[iface].sub_api, itransfer);
+ // If not supported on this API, it may be supported on another, so don't give up yet!!
+ if (r == LIBUSB_ERROR_NOT_SUPPORTED) {
+ continue;
+ }
+ return r;
+ }
+ }
+ }
+
+ usbi_err(ctx, "no libusb supported interfaces to complete request");
+ return LIBUSB_ERROR_NOT_FOUND;
+}
+
+static int composite_submit_bulk_transfer(int sub_api, struct usbi_transfer *itransfer) {
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(transfer->dev_handle);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+ int current_interface;
+
+ current_interface = interface_by_endpoint(priv, handle_priv, transfer->endpoint);
+ if (current_interface < 0) {
+ usbi_err(ctx, "unable to match endpoint to an open interface - cancelling transfer");
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+
+ return priv->usb_interface[current_interface].apib->
+ submit_bulk_transfer(priv->usb_interface[current_interface].sub_api, itransfer);}
+
+static int composite_submit_iso_transfer(int sub_api, struct usbi_transfer *itransfer) {
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct libusb_context *ctx = DEVICE_CTX(transfer->dev_handle->dev);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(transfer->dev_handle);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+ int current_interface;
+
+ current_interface = interface_by_endpoint(priv, handle_priv, transfer->endpoint);
+ if (current_interface < 0) {
+ usbi_err(ctx, "unable to match endpoint to an open interface - cancelling transfer");
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+
+ return priv->usb_interface[current_interface].apib->
+ submit_iso_transfer(priv->usb_interface[current_interface].sub_api, itransfer);}
+
+static int composite_clear_halt(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint)
+{
+ struct libusb_context *ctx = DEVICE_CTX(dev_handle->dev);
+ struct windows_device_handle_priv *handle_priv = _device_handle_priv(dev_handle);
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ int current_interface;
+
+ current_interface = interface_by_endpoint(priv, handle_priv, endpoint);
+ if (current_interface < 0) {
+ usbi_err(ctx, "unable to match endpoint to an open interface - cannot clear");
+ return LIBUSB_ERROR_NOT_FOUND;
+ }
+
+ return priv->usb_interface[current_interface].apib->
+ clear_halt(priv->usb_interface[current_interface].sub_api, dev_handle, endpoint);}
+
+static int composite_abort_control(int sub_api, struct usbi_transfer *itransfer)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct windows_transfer_priv *transfer_priv = usbi_transfer_get_os_priv(itransfer);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+
+ return priv->usb_interface[transfer_priv->interface_number].apib->
+ abort_control(priv->usb_interface[transfer_priv->interface_number].sub_api, itransfer);}
+
+static int composite_abort_transfers(int sub_api, struct usbi_transfer *itransfer)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct windows_transfer_priv *transfer_priv = usbi_transfer_get_os_priv(itransfer);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+
+ return priv->usb_interface[transfer_priv->interface_number].apib->
+ abort_transfers(priv->usb_interface[transfer_priv->interface_number].sub_api, itransfer);}
+
+static int composite_reset_device(int sub_api, struct libusb_device_handle *dev_handle)
+{
+ struct windows_device_priv *priv = _device_priv(dev_handle->dev);
+ int r;
+ uint8_t i;
+ bool available[SUB_API_MAX];
+ for (i = 0; i<SUB_API_MAX; i++) {
+ available[i] = false;
+ }
+ for (i=0; i<USB_MAXINTERFACES; i++) {
+ if ( (priv->usb_interface[i].apib->id == USB_API_WINUSBX)
+ && (priv->usb_interface[i].sub_api != SUB_API_NOTSET) ) {
+ available[priv->usb_interface[i].sub_api] = true;
+ }
+ }
+ for (i=0; i<SUB_API_MAX; i++) {
+ if (available[i]) {
+ r = usb_api_backend[USB_API_WINUSBX].reset_device(i, dev_handle);
+ if (r != LIBUSB_SUCCESS) {
+ return r;
+ }
+ }
+ }
+ return LIBUSB_SUCCESS;
+}
+
+static int composite_copy_transfer_data(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size)
+{
+ struct libusb_transfer *transfer = USBI_TRANSFER_TO_LIBUSB_TRANSFER(itransfer);
+ struct windows_transfer_priv *transfer_priv = usbi_transfer_get_os_priv(itransfer);
+ struct windows_device_priv *priv = _device_priv(transfer->dev_handle->dev);
+
+ return priv->usb_interface[transfer_priv->interface_number].apib->
+ copy_transfer_data(priv->usb_interface[transfer_priv->interface_number].sub_api, itransfer, io_size);
+}
--- /dev/null
+/*
+ * Windows backend for libusb 1.0
+ * Copyright © 2009-2012 Pete Batard <pete@akeo.ie>
+ * With contributions from Michael Plante, Orin Eman et al.
+ * Parts of this code adapted from libusb-win32-v1 by Stephan Meyer
+ * Major code testing contribution by Xiaofan Chen
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#pragma once
+
+#include "windows_common.h"
+#include "windows_nt_common.h"
+
+#if defined(_MSC_VER)
+// disable /W4 MSVC warnings that are benign
+#pragma warning(disable:4100) // unreferenced formal parameter
+#pragma warning(disable:4127) // conditional expression is constant
+#pragma warning(disable:4201) // nameless struct/union
+#pragma warning(disable:4214) // bit field types other than int
+#pragma warning(disable:4996) // deprecated API calls
+#pragma warning(disable:28159) // more deprecated API calls
+#endif
+
+// Missing from MSVC6 setupapi.h
+#if !defined(SPDRP_ADDRESS)
+#define SPDRP_ADDRESS 28
+#endif
+#if !defined(SPDRP_INSTALL_STATE)
+#define SPDRP_INSTALL_STATE 34
+#endif
+
+// Missing from MinGW
+#if !defined(FACILITY_SETUPAPI)
+#define FACILITY_SETUPAPI 15
+#endif
+
+#if defined(__CYGWIN__ )
+#define _stricmp strcasecmp
+#define _snprintf snprintf
+#define _strdup strdup
+// _beginthreadex is MSVCRT => unavailable for cygwin. Fallback to using CreateThread
+#define _beginthreadex(a, b, c, d, e, f) CreateThread(a, b, (LPTHREAD_START_ROUTINE)c, d, e, (LPDWORD)f)
+#endif
+
+#define MAX_CTRL_BUFFER_LENGTH 4096
+#define MAX_USB_DEVICES 256
+#define MAX_USB_STRING_LENGTH 128
+#define MAX_HID_REPORT_SIZE 1024
+#define MAX_HID_DESCRIPTOR_SIZE 256
+#define MAX_GUID_STRING_LENGTH 40
+#define MAX_PATH_LENGTH 128
+#define MAX_KEY_LENGTH 256
+#define LIST_SEPARATOR ';'
+
+// Handle code for HID interface that have been claimed ("dibs")
+#define INTERFACE_CLAIMED ((HANDLE)(intptr_t)0xD1B5)
+// Additional return code for HID operations that completed synchronously
+#define LIBUSB_COMPLETED (LIBUSB_SUCCESS + 1)
+
+// http://msdn.microsoft.com/en-us/library/ff545978.aspx
+// http://msdn.microsoft.com/en-us/library/ff545972.aspx
+// http://msdn.microsoft.com/en-us/library/ff545982.aspx
+#if !defined(GUID_DEVINTERFACE_USB_HOST_CONTROLLER)
+const GUID GUID_DEVINTERFACE_USB_HOST_CONTROLLER = { 0x3ABF6F2D, 0x71C4, 0x462A, {0x8A, 0x92, 0x1E, 0x68, 0x61, 0xE6, 0xAF, 0x27} };
+#endif
+#if !defined(GUID_DEVINTERFACE_USB_DEVICE)
+const GUID GUID_DEVINTERFACE_USB_DEVICE = { 0xA5DCBF10, 0x6530, 0x11D2, {0x90, 0x1F, 0x00, 0xC0, 0x4F, 0xB9, 0x51, 0xED} };
+#endif
+#if !defined(GUID_DEVINTERFACE_USB_HUB)
+const GUID GUID_DEVINTERFACE_USB_HUB = { 0xF18A0E88, 0xC30C, 0x11D0, {0x88, 0x15, 0x00, 0xA0, 0xC9, 0x06, 0xBE, 0xD8} };
+#endif
+#if !defined(GUID_DEVINTERFACE_LIBUSB0_FILTER)
+const GUID GUID_DEVINTERFACE_LIBUSB0_FILTER = { 0xF9F3FF14, 0xAE21, 0x48A0, {0x8A, 0x25, 0x80, 0x11, 0xA7, 0xA9, 0x31, 0xD9} };
+#endif
+
+
+/*
+ * Multiple USB API backend support
+ */
+#define USB_API_UNSUPPORTED 0
+#define USB_API_HUB 1
+#define USB_API_COMPOSITE 2
+#define USB_API_WINUSBX 3
+#define USB_API_HID 4
+#define USB_API_MAX 5
+// The following is used to indicate if the HID or composite extra props have already been set.
+#define USB_API_SET (1<<USB_API_MAX)
+
+// Sub-APIs for WinUSB-like driver APIs (WinUSB, libusbK, libusb-win32 through the libusbK DLL)
+// Must have the same values as the KUSB_DRVID enum from libusbk.h
+#define SUB_API_NOTSET -1
+#define SUB_API_LIBUSBK 0
+#define SUB_API_LIBUSB0 1
+#define SUB_API_WINUSB 2
+#define SUB_API_MAX 3
+
+#define WINUSBX_DRV_NAMES { "libusbK", "libusb0", "WinUSB"}
+
+struct windows_usb_api_backend {
+ const uint8_t id;
+ const char* designation;
+ const char **driver_name_list; // Driver name, without .sys, e.g. "usbccgp"
+ const uint8_t nb_driver_names;
+ int (*init)(int sub_api, struct libusb_context *ctx);
+ int (*exit)(int sub_api);
+ int (*open)(int sub_api, struct libusb_device_handle *dev_handle);
+ void (*close)(int sub_api, struct libusb_device_handle *dev_handle);
+ int (*configure_endpoints)(int sub_api, struct libusb_device_handle *dev_handle, int iface);
+ int (*claim_interface)(int sub_api, struct libusb_device_handle *dev_handle, int iface);
+ int (*set_interface_altsetting)(int sub_api, struct libusb_device_handle *dev_handle, int iface, int altsetting);
+ int (*release_interface)(int sub_api, struct libusb_device_handle *dev_handle, int iface);
+ int (*clear_halt)(int sub_api, struct libusb_device_handle *dev_handle, unsigned char endpoint);
+ int (*reset_device)(int sub_api, struct libusb_device_handle *dev_handle);
+ int (*submit_bulk_transfer)(int sub_api, struct usbi_transfer *itransfer);
+ int (*submit_iso_transfer)(int sub_api, struct usbi_transfer *itransfer);
+ int (*submit_control_transfer)(int sub_api, struct usbi_transfer *itransfer);
+ int (*abort_control)(int sub_api, struct usbi_transfer *itransfer);
+ int (*abort_transfers)(int sub_api, struct usbi_transfer *itransfer);
+ int (*copy_transfer_data)(int sub_api, struct usbi_transfer *itransfer, uint32_t io_size);
+};
+
+extern const struct windows_usb_api_backend usb_api_backend[USB_API_MAX];
+
+#define PRINT_UNSUPPORTED_API(fname) \
+ usbi_dbg("unsupported API call for '" \
+ #fname "' (unrecognized device driver)"); \
+ return LIBUSB_ERROR_NOT_SUPPORTED;
+
+/*
+ * private structures definition
+ * with inline pseudo constructors/destructors
+ */
+
+// TODO (v2+): move hid desc to libusb.h?
+struct libusb_hid_descriptor {
+ uint8_t bLength;
+ uint8_t bDescriptorType;
+ uint16_t bcdHID;
+ uint8_t bCountryCode;
+ uint8_t bNumDescriptors;
+ uint8_t bClassDescriptorType;
+ uint16_t wClassDescriptorLength;
+};
+#define LIBUSB_DT_HID_SIZE 9
+#define HID_MAX_CONFIG_DESC_SIZE (LIBUSB_DT_CONFIG_SIZE + LIBUSB_DT_INTERFACE_SIZE \
+ + LIBUSB_DT_HID_SIZE + 2 * LIBUSB_DT_ENDPOINT_SIZE)
+#define HID_MAX_REPORT_SIZE 1024
+#define HID_IN_EP 0x81
+#define HID_OUT_EP 0x02
+#define LIBUSB_REQ_RECIPIENT(request_type) ((request_type) & 0x1F)
+#define LIBUSB_REQ_TYPE(request_type) ((request_type) & (0x03 << 5))
+#define LIBUSB_REQ_IN(request_type) ((request_type) & LIBUSB_ENDPOINT_IN)
+#define LIBUSB_REQ_OUT(request_type) (!LIBUSB_REQ_IN(request_type))
+
+// The following are used for HID reports IOCTLs
+#define HID_CTL_CODE(id) \
+ CTL_CODE (FILE_DEVICE_KEYBOARD, (id), METHOD_NEITHER, FILE_ANY_ACCESS)
+#define HID_BUFFER_CTL_CODE(id) \
+ CTL_CODE (FILE_DEVICE_KEYBOARD, (id), METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define HID_IN_CTL_CODE(id) \
+ CTL_CODE (FILE_DEVICE_KEYBOARD, (id), METHOD_IN_DIRECT, FILE_ANY_ACCESS)
+#define HID_OUT_CTL_CODE(id) \
+ CTL_CODE (FILE_DEVICE_KEYBOARD, (id), METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
+
+#define IOCTL_HID_GET_FEATURE HID_OUT_CTL_CODE(100)
+#define IOCTL_HID_GET_INPUT_REPORT HID_OUT_CTL_CODE(104)
+#define IOCTL_HID_SET_FEATURE HID_IN_CTL_CODE(100)
+#define IOCTL_HID_SET_OUTPUT_REPORT HID_IN_CTL_CODE(101)
+
+enum libusb_hid_request_type {
+ HID_REQ_GET_REPORT = 0x01,
+ HID_REQ_GET_IDLE = 0x02,
+ HID_REQ_GET_PROTOCOL = 0x03,
+ HID_REQ_SET_REPORT = 0x09,
+ HID_REQ_SET_IDLE = 0x0A,
+ HID_REQ_SET_PROTOCOL = 0x0B
+};
+
+enum libusb_hid_report_type {
+ HID_REPORT_TYPE_INPUT = 0x01,
+ HID_REPORT_TYPE_OUTPUT = 0x02,
+ HID_REPORT_TYPE_FEATURE = 0x03
+};
+
+struct hid_device_priv {
+ uint16_t vid;
+ uint16_t pid;
+ uint8_t config;
+ uint8_t nb_interfaces;
+ bool uses_report_ids[3]; // input, ouptput, feature
+ uint16_t input_report_size;
+ uint16_t output_report_size;
+ uint16_t feature_report_size;
+ WCHAR string[3][MAX_USB_STRING_LENGTH];
+ uint8_t string_index[3]; // man, prod, ser
+};
+
+struct windows_device_priv {
+ uint8_t depth; // distance to HCD
+ uint8_t port; // port number on the hub
+ uint8_t active_config;
+ struct libusb_device *parent_dev; // access to parent is required for usermode ops
+ struct windows_usb_api_backend const *apib;
+ char *path; // device interface path
+ int sub_api; // for WinUSB-like APIs
+ struct {
+ char *path; // each interface needs a device interface path,
+ struct windows_usb_api_backend const *apib; // an API backend (multiple drivers support),
+ int sub_api;
+ int8_t nb_endpoints; // and a set of endpoint addresses (USB_MAXENDPOINTS)
+ uint8_t *endpoint;
+ bool restricted_functionality; // indicates if the interface functionality is restricted
+ // by Windows (eg. HID keyboards or mice cannot do R/W)
+ } usb_interface[USB_MAXINTERFACES];
+ struct hid_device_priv *hid;
+ USB_DEVICE_DESCRIPTOR dev_descriptor;
+ unsigned char **config_descriptor; // list of pointers to the cached config descriptors
+};
+
+static inline struct windows_device_priv *_device_priv(struct libusb_device *dev) {
+ return (struct windows_device_priv *)dev->os_priv;
+}
+
+static inline void windows_device_priv_init(libusb_device* dev) {
+ struct windows_device_priv* p = _device_priv(dev);
+ int i;
+ p->depth = 0;
+ p->port = 0;
+ p->parent_dev = NULL;
+ p->path = NULL;
+ p->apib = &usb_api_backend[USB_API_UNSUPPORTED];
+ p->sub_api = SUB_API_NOTSET;
+ p->hid = NULL;
+ p->active_config = 0;
+ p->config_descriptor = NULL;
+ memset(&(p->dev_descriptor), 0, sizeof(USB_DEVICE_DESCRIPTOR));
+ for (i=0; i<USB_MAXINTERFACES; i++) {
+ p->usb_interface[i].path = NULL;
+ p->usb_interface[i].apib = &usb_api_backend[USB_API_UNSUPPORTED];
+ p->usb_interface[i].sub_api = SUB_API_NOTSET;
+ p->usb_interface[i].nb_endpoints = 0;
+ p->usb_interface[i].endpoint = NULL;
+ p->usb_interface[i].restricted_functionality = false;
+ }
+}
+
+static inline void windows_device_priv_release(libusb_device* dev) {
+ struct windows_device_priv* p = _device_priv(dev);
+ int i;
+ safe_free(p->path);
+ if ((dev->num_configurations > 0) && (p->config_descriptor != NULL)) {
+ for (i=0; i < dev->num_configurations; i++)
+ safe_free(p->config_descriptor[i]);
+ }
+ safe_free(p->config_descriptor);
+ safe_free(p->hid);
+ for (i=0; i<USB_MAXINTERFACES; i++) {
+ safe_free(p->usb_interface[i].path);
+ safe_free(p->usb_interface[i].endpoint);
+ }
+}
+
+struct interface_handle_t {
+ HANDLE dev_handle; // WinUSB needs an extra handle for the file
+ HANDLE api_handle; // used by the API to communicate with the device
+};
+
+struct windows_device_handle_priv {
+ int active_interface;
+ struct interface_handle_t interface_handle[USB_MAXINTERFACES];
+ int autoclaim_count[USB_MAXINTERFACES]; // For auto-release
+};
+
+static inline struct windows_device_handle_priv *_device_handle_priv(
+ struct libusb_device_handle *handle)
+{
+ return (struct windows_device_handle_priv *) handle->os_priv;
+}
+
+// used for async polling functions
+struct windows_transfer_priv {
+ struct winfd pollable_fd;
+ uint8_t interface_number;
+ uint8_t *hid_buffer; // 1 byte extended data buffer, required for HID
+ uint8_t *hid_dest; // transfer buffer destination, required for HID
+ size_t hid_expected_size;
+};
+
+// used to match a device driver (including filter drivers) against a supported API
+struct driver_lookup {
+ char list[MAX_KEY_LENGTH+1];// REG_MULTI_SZ list of services (driver) names
+ const DWORD reg_prop; // SPDRP registry key to use to retrieve list
+ const char* designation; // internal designation (for debug output)
+};
+
+/* OLE32 dependency */
+DLL_DECLARE_PREFIXED(WINAPI, HRESULT, p, CLSIDFromString, (LPCOLESTR, LPCLSID));
+
+/* This call is only available from XP SP2 */
+DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, IsWow64Process, (HANDLE, PBOOL));
+
+/* SetupAPI dependencies */
+DLL_DECLARE_PREFIXED(WINAPI, HDEVINFO, p, SetupDiGetClassDevsA, (const GUID*, PCSTR, HWND, DWORD));
+DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, SetupDiEnumDeviceInfo, (HDEVINFO, DWORD, PSP_DEVINFO_DATA));
+DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, SetupDiEnumDeviceInterfaces, (HDEVINFO, PSP_DEVINFO_DATA,
+ const GUID*, DWORD, PSP_DEVICE_INTERFACE_DATA));
+DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, SetupDiGetDeviceInterfaceDetailA, (HDEVINFO, PSP_DEVICE_INTERFACE_DATA,
+ PSP_DEVICE_INTERFACE_DETAIL_DATA_A, DWORD, PDWORD, PSP_DEVINFO_DATA));
+DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, SetupDiDestroyDeviceInfoList, (HDEVINFO));
+DLL_DECLARE_PREFIXED(WINAPI, HKEY, p, SetupDiOpenDevRegKey, (HDEVINFO, PSP_DEVINFO_DATA, DWORD, DWORD, DWORD, REGSAM));
+DLL_DECLARE_PREFIXED(WINAPI, BOOL, p, SetupDiGetDeviceRegistryPropertyA, (HDEVINFO,
+ PSP_DEVINFO_DATA, DWORD, PDWORD, PBYTE, DWORD, PDWORD));
+DLL_DECLARE_PREFIXED(WINAPI, HKEY, p, SetupDiOpenDeviceInterfaceRegKey, (HDEVINFO, PSP_DEVICE_INTERFACE_DATA, DWORD, DWORD));
+DLL_DECLARE_PREFIXED(WINAPI, LONG, p, RegQueryValueExW, (HKEY, LPCWSTR, LPDWORD, LPDWORD, LPBYTE, LPDWORD));
+DLL_DECLARE_PREFIXED(WINAPI, LONG, p, RegCloseKey, (HKEY));
+
+/*
+ * Windows DDK API definitions. Most of it copied from MinGW's includes
+ */
+typedef DWORD DEVNODE, DEVINST;
+typedef DEVNODE *PDEVNODE, *PDEVINST;
+typedef DWORD RETURN_TYPE;
+typedef RETURN_TYPE CONFIGRET;
+
+#define CR_SUCCESS 0x00000000
+#define CR_NO_SUCH_DEVNODE 0x0000000D
+
+#define USB_DEVICE_DESCRIPTOR_TYPE LIBUSB_DT_DEVICE
+#define USB_CONFIGURATION_DESCRIPTOR_TYPE LIBUSB_DT_CONFIG
+#define USB_STRING_DESCRIPTOR_TYPE LIBUSB_DT_STRING
+#define USB_INTERFACE_DESCRIPTOR_TYPE LIBUSB_DT_INTERFACE
+#define USB_ENDPOINT_DESCRIPTOR_TYPE LIBUSB_DT_ENDPOINT
+
+#define USB_REQUEST_GET_STATUS LIBUSB_REQUEST_GET_STATUS
+#define USB_REQUEST_CLEAR_FEATURE LIBUSB_REQUEST_CLEAR_FEATURE
+#define USB_REQUEST_SET_FEATURE LIBUSB_REQUEST_SET_FEATURE
+#define USB_REQUEST_SET_ADDRESS LIBUSB_REQUEST_SET_ADDRESS
+#define USB_REQUEST_GET_DESCRIPTOR LIBUSB_REQUEST_GET_DESCRIPTOR
+#define USB_REQUEST_SET_DESCRIPTOR LIBUSB_REQUEST_SET_DESCRIPTOR
+#define USB_REQUEST_GET_CONFIGURATION LIBUSB_REQUEST_GET_CONFIGURATION
+#define USB_REQUEST_SET_CONFIGURATION LIBUSB_REQUEST_SET_CONFIGURATION
+#define USB_REQUEST_GET_INTERFACE LIBUSB_REQUEST_GET_INTERFACE
+#define USB_REQUEST_SET_INTERFACE LIBUSB_REQUEST_SET_INTERFACE
+#define USB_REQUEST_SYNC_FRAME LIBUSB_REQUEST_SYNCH_FRAME
+
+#define USB_GET_NODE_INFORMATION 258
+#define USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION 260
+#define USB_GET_NODE_CONNECTION_NAME 261
+#define USB_GET_HUB_CAPABILITIES 271
+#if !defined(USB_GET_NODE_CONNECTION_INFORMATION_EX)
+#define USB_GET_NODE_CONNECTION_INFORMATION_EX 274
+#endif
+#if !defined(USB_GET_HUB_CAPABILITIES_EX)
+#define USB_GET_HUB_CAPABILITIES_EX 276
+#endif
+#if !defined(USB_GET_NODE_CONNECTION_INFORMATION_EX_V2)
+#define USB_GET_NODE_CONNECTION_INFORMATION_EX_V2 279
+#endif
+
+#ifndef METHOD_BUFFERED
+#define METHOD_BUFFERED 0
+#endif
+#ifndef FILE_ANY_ACCESS
+#define FILE_ANY_ACCESS 0x00000000
+#endif
+#ifndef FILE_DEVICE_UNKNOWN
+#define FILE_DEVICE_UNKNOWN 0x00000022
+#endif
+#ifndef FILE_DEVICE_USB
+#define FILE_DEVICE_USB FILE_DEVICE_UNKNOWN
+#endif
+
+#ifndef CTL_CODE
+#define CTL_CODE(DeviceType, Function, Method, Access)( \
+ ((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method))
+#endif
+
+typedef enum USB_CONNECTION_STATUS {
+ NoDeviceConnected,
+ DeviceConnected,
+ DeviceFailedEnumeration,
+ DeviceGeneralFailure,
+ DeviceCausedOvercurrent,
+ DeviceNotEnoughPower,
+ DeviceNotEnoughBandwidth,
+ DeviceHubNestedTooDeeply,
+ DeviceInLegacyHub
+} USB_CONNECTION_STATUS, *PUSB_CONNECTION_STATUS;
+
+typedef enum USB_HUB_NODE {
+ UsbHub,
+ UsbMIParent
+} USB_HUB_NODE;
+
+/* Cfgmgr32.dll interface */
+DLL_DECLARE(WINAPI, CONFIGRET, CM_Get_Parent, (PDEVINST, DEVINST, ULONG));
+DLL_DECLARE(WINAPI, CONFIGRET, CM_Get_Child, (PDEVINST, DEVINST, ULONG));
+DLL_DECLARE(WINAPI, CONFIGRET, CM_Get_Sibling, (PDEVINST, DEVINST, ULONG));
+DLL_DECLARE(WINAPI, CONFIGRET, CM_Get_Device_IDA, (DEVINST, PCHAR, ULONG, ULONG));
+
+#define IOCTL_USB_GET_HUB_CAPABILITIES_EX \
+ CTL_CODE( FILE_DEVICE_USB, USB_GET_HUB_CAPABILITIES_EX, METHOD_BUFFERED, FILE_ANY_ACCESS)
+
+#define IOCTL_USB_GET_HUB_CAPABILITIES \
+ CTL_CODE(FILE_DEVICE_USB, USB_GET_HUB_CAPABILITIES, METHOD_BUFFERED, FILE_ANY_ACCESS)
+
+#define IOCTL_USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION \
+ CTL_CODE(FILE_DEVICE_USB, USB_GET_DESCRIPTOR_FROM_NODE_CONNECTION, METHOD_BUFFERED, FILE_ANY_ACCESS)
+
+#define IOCTL_USB_GET_ROOT_HUB_NAME \
+ CTL_CODE(FILE_DEVICE_USB, HCD_GET_ROOT_HUB_NAME, METHOD_BUFFERED, FILE_ANY_ACCESS)
+
+#define IOCTL_USB_GET_NODE_INFORMATION \
+ CTL_CODE(FILE_DEVICE_USB, USB_GET_NODE_INFORMATION, METHOD_BUFFERED, FILE_ANY_ACCESS)
+
+#define IOCTL_USB_GET_NODE_CONNECTION_INFORMATION_EX \
+ CTL_CODE(FILE_DEVICE_USB, USB_GET_NODE_CONNECTION_INFORMATION_EX, METHOD_BUFFERED, FILE_ANY_ACCESS)
+
+#define IOCTL_USB_GET_NODE_CONNECTION_INFORMATION_EX_V2 \
+ CTL_CODE(FILE_DEVICE_USB, USB_GET_NODE_CONNECTION_INFORMATION_EX_V2, METHOD_BUFFERED, FILE_ANY_ACCESS)
+
+#define IOCTL_USB_GET_NODE_CONNECTION_ATTRIBUTES \
+ CTL_CODE(FILE_DEVICE_USB, USB_GET_NODE_CONNECTION_ATTRIBUTES, METHOD_BUFFERED, FILE_ANY_ACCESS)
+
+#define IOCTL_USB_GET_NODE_CONNECTION_NAME \
+ CTL_CODE(FILE_DEVICE_USB, USB_GET_NODE_CONNECTION_NAME, METHOD_BUFFERED, FILE_ANY_ACCESS)
+
+// Most of the structures below need to be packed
+#pragma pack(push, 1)
+
+typedef struct USB_INTERFACE_DESCRIPTOR {
+ UCHAR bLength;
+ UCHAR bDescriptorType;
+ UCHAR bInterfaceNumber;
+ UCHAR bAlternateSetting;
+ UCHAR bNumEndpoints;
+ UCHAR bInterfaceClass;
+ UCHAR bInterfaceSubClass;
+ UCHAR bInterfaceProtocol;
+ UCHAR iInterface;
+} USB_INTERFACE_DESCRIPTOR, *PUSB_INTERFACE_DESCRIPTOR;
+
+typedef struct USB_CONFIGURATION_DESCRIPTOR_SHORT {
+ struct {
+ ULONG ConnectionIndex;
+ struct {
+ UCHAR bmRequest;
+ UCHAR bRequest;
+ USHORT wValue;
+ USHORT wIndex;
+ USHORT wLength;
+ } SetupPacket;
+ } req;
+ USB_CONFIGURATION_DESCRIPTOR data;
+} USB_CONFIGURATION_DESCRIPTOR_SHORT;
+
+typedef struct USB_ENDPOINT_DESCRIPTOR {
+ UCHAR bLength;
+ UCHAR bDescriptorType;
+ UCHAR bEndpointAddress;
+ UCHAR bmAttributes;
+ USHORT wMaxPacketSize;
+ UCHAR bInterval;
+} USB_ENDPOINT_DESCRIPTOR, *PUSB_ENDPOINT_DESCRIPTOR;
+
+typedef struct USB_DESCRIPTOR_REQUEST {
+ ULONG ConnectionIndex;
+ struct {
+ UCHAR bmRequest;
+ UCHAR bRequest;
+ USHORT wValue;
+ USHORT wIndex;
+ USHORT wLength;
+ } SetupPacket;
+// UCHAR Data[0];
+} USB_DESCRIPTOR_REQUEST, *PUSB_DESCRIPTOR_REQUEST;
+
+typedef struct USB_HUB_DESCRIPTOR {
+ UCHAR bDescriptorLength;
+ UCHAR bDescriptorType;
+ UCHAR bNumberOfPorts;
+ USHORT wHubCharacteristics;
+ UCHAR bPowerOnToPowerGood;
+ UCHAR bHubControlCurrent;
+ UCHAR bRemoveAndPowerMask[64];
+} USB_HUB_DESCRIPTOR, *PUSB_HUB_DESCRIPTOR;
+
+typedef struct USB_ROOT_HUB_NAME {
+ ULONG ActualLength;
+ WCHAR RootHubName[1];
+} USB_ROOT_HUB_NAME, *PUSB_ROOT_HUB_NAME;
+
+typedef struct USB_ROOT_HUB_NAME_FIXED {
+ ULONG ActualLength;
+ WCHAR RootHubName[MAX_PATH_LENGTH];
+} USB_ROOT_HUB_NAME_FIXED;
+
+typedef struct USB_NODE_CONNECTION_NAME {
+ ULONG ConnectionIndex;
+ ULONG ActualLength;
+ WCHAR NodeName[1];
+} USB_NODE_CONNECTION_NAME, *PUSB_NODE_CONNECTION_NAME;
+
+typedef struct USB_NODE_CONNECTION_NAME_FIXED {
+ ULONG ConnectionIndex;
+ ULONG ActualLength;
+ WCHAR NodeName[MAX_PATH_LENGTH];
+} USB_NODE_CONNECTION_NAME_FIXED;
+
+typedef struct USB_HUB_NAME_FIXED {
+ union {
+ USB_ROOT_HUB_NAME_FIXED root;
+ USB_NODE_CONNECTION_NAME_FIXED node;
+ } u;
+} USB_HUB_NAME_FIXED;
+
+typedef struct USB_HUB_INFORMATION {
+ USB_HUB_DESCRIPTOR HubDescriptor;
+ BOOLEAN HubIsBusPowered;
+} USB_HUB_INFORMATION, *PUSB_HUB_INFORMATION;
+
+typedef struct USB_MI_PARENT_INFORMATION {
+ ULONG NumberOfInterfaces;
+} USB_MI_PARENT_INFORMATION, *PUSB_MI_PARENT_INFORMATION;
+
+typedef struct USB_NODE_INFORMATION {
+ USB_HUB_NODE NodeType;
+ union {
+ USB_HUB_INFORMATION HubInformation;
+ USB_MI_PARENT_INFORMATION MiParentInformation;
+ } u;
+} USB_NODE_INFORMATION, *PUSB_NODE_INFORMATION;
+
+typedef struct USB_PIPE_INFO {
+ USB_ENDPOINT_DESCRIPTOR EndpointDescriptor;
+ ULONG ScheduleOffset;
+} USB_PIPE_INFO, *PUSB_PIPE_INFO;
+
+typedef struct USB_NODE_CONNECTION_INFORMATION_EX {
+ ULONG ConnectionIndex;
+ USB_DEVICE_DESCRIPTOR DeviceDescriptor;
+ UCHAR CurrentConfigurationValue;
+ UCHAR Speed;
+ BOOLEAN DeviceIsHub;
+ USHORT DeviceAddress;
+ ULONG NumberOfOpenPipes;
+ USB_CONNECTION_STATUS ConnectionStatus;
+// USB_PIPE_INFO PipeList[0];
+} USB_NODE_CONNECTION_INFORMATION_EX, *PUSB_NODE_CONNECTION_INFORMATION_EX;
+
+typedef union _USB_PROTOCOLS {
+ ULONG ul;
+ struct {
+ ULONG Usb110:1;
+ ULONG Usb200:1;
+ ULONG Usb300:1;
+ ULONG ReservedMBZ:29;
+ };
+} USB_PROTOCOLS, *PUSB_PROTOCOLS;
+
+typedef union _USB_NODE_CONNECTION_INFORMATION_EX_V2_FLAGS {
+ ULONG ul;
+ struct {
+ ULONG DeviceIsOperatingAtSuperSpeedOrHigher:1;
+ ULONG DeviceIsSuperSpeedCapableOrHigher:1;
+ ULONG ReservedMBZ:30;
+ };
+} USB_NODE_CONNECTION_INFORMATION_EX_V2_FLAGS, *PUSB_NODE_CONNECTION_INFORMATION_EX_V2_FLAGS;
+
+typedef struct _USB_NODE_CONNECTION_INFORMATION_EX_V2 {
+ ULONG ConnectionIndex;
+ ULONG Length;
+ USB_PROTOCOLS SupportedUsbProtocols;
+ USB_NODE_CONNECTION_INFORMATION_EX_V2_FLAGS Flags;
+} USB_NODE_CONNECTION_INFORMATION_EX_V2, *PUSB_NODE_CONNECTION_INFORMATION_EX_V2;
+
+typedef struct USB_HUB_CAP_FLAGS {
+ ULONG HubIsHighSpeedCapable:1;
+ ULONG HubIsHighSpeed:1;
+ ULONG HubIsMultiTtCapable:1;
+ ULONG HubIsMultiTt:1;
+ ULONG HubIsRoot:1;
+ ULONG HubIsArmedWakeOnConnect:1;
+ ULONG ReservedMBZ:26;
+} USB_HUB_CAP_FLAGS, *PUSB_HUB_CAP_FLAGS;
+
+typedef struct USB_HUB_CAPABILITIES {
+ ULONG HubIs2xCapable : 1;
+} USB_HUB_CAPABILITIES, *PUSB_HUB_CAPABILITIES;
+
+typedef struct USB_HUB_CAPABILITIES_EX {
+ USB_HUB_CAP_FLAGS CapabilityFlags;
+} USB_HUB_CAPABILITIES_EX, *PUSB_HUB_CAPABILITIES_EX;
+
+#pragma pack(pop)
+
+/* winusb.dll interface */
+
+#define SHORT_PACKET_TERMINATE 0x01
+#define AUTO_CLEAR_STALL 0x02
+#define PIPE_TRANSFER_TIMEOUT 0x03
+#define IGNORE_SHORT_PACKETS 0x04
+#define ALLOW_PARTIAL_READS 0x05
+#define AUTO_FLUSH 0x06
+#define RAW_IO 0x07
+#define MAXIMUM_TRANSFER_SIZE 0x08
+#define AUTO_SUSPEND 0x81
+#define SUSPEND_DELAY 0x83
+#define DEVICE_SPEED 0x01
+#define LowSpeed 0x01
+#define FullSpeed 0x02
+#define HighSpeed 0x03
+
+typedef enum USBD_PIPE_TYPE {
+ UsbdPipeTypeControl,
+ UsbdPipeTypeIsochronous,
+ UsbdPipeTypeBulk,
+ UsbdPipeTypeInterrupt
+} USBD_PIPE_TYPE;
+
+typedef struct {
+ USBD_PIPE_TYPE PipeType;
+ UCHAR PipeId;
+ USHORT MaximumPacketSize;
+ UCHAR Interval;
+} WINUSB_PIPE_INFORMATION, *PWINUSB_PIPE_INFORMATION;
+
+#pragma pack(1)
+typedef struct {
+ UCHAR request_type;
+ UCHAR request;
+ USHORT value;
+ USHORT index;
+ USHORT length;
+} WINUSB_SETUP_PACKET, *PWINUSB_SETUP_PACKET;
+#pragma pack()
+
+typedef void *WINUSB_INTERFACE_HANDLE, *PWINUSB_INTERFACE_HANDLE;
+
+typedef BOOL (WINAPI *WinUsb_AbortPipe_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ UCHAR PipeID
+);
+typedef BOOL (WINAPI *WinUsb_ControlTransfer_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ WINUSB_SETUP_PACKET SetupPacket,
+ PUCHAR Buffer,
+ ULONG BufferLength,
+ PULONG LengthTransferred,
+ LPOVERLAPPED Overlapped
+);
+typedef BOOL (WINAPI *WinUsb_FlushPipe_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ UCHAR PipeID
+);
+typedef BOOL (WINAPI *WinUsb_Free_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle
+);
+typedef BOOL (WINAPI *WinUsb_GetAssociatedInterface_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ UCHAR AssociatedInterfaceIndex,
+ PWINUSB_INTERFACE_HANDLE AssociatedInterfaceHandle
+);
+typedef BOOL (WINAPI *WinUsb_GetCurrentAlternateSetting_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ PUCHAR AlternateSetting
+);
+typedef BOOL (WINAPI *WinUsb_GetDescriptor_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ UCHAR DescriptorType,
+ UCHAR Index,
+ USHORT LanguageID,
+ PUCHAR Buffer,
+ ULONG BufferLength,
+ PULONG LengthTransferred
+);
+typedef BOOL (WINAPI *WinUsb_GetOverlappedResult_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ LPOVERLAPPED lpOverlapped,
+ LPDWORD lpNumberOfBytesTransferred,
+ BOOL bWait
+);
+typedef BOOL (WINAPI *WinUsb_GetPipePolicy_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ UCHAR PipeID,
+ ULONG PolicyType,
+ PULONG ValueLength,
+ PVOID Value
+);
+typedef BOOL (WINAPI *WinUsb_GetPowerPolicy_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ ULONG PolicyType,
+ PULONG ValueLength,
+ PVOID Value
+);
+typedef BOOL (WINAPI *WinUsb_Initialize_t)(
+ HANDLE DeviceHandle,
+ PWINUSB_INTERFACE_HANDLE InterfaceHandle
+);
+typedef BOOL (WINAPI *WinUsb_QueryDeviceInformation_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ ULONG InformationType,
+ PULONG BufferLength,
+ PVOID Buffer
+);
+typedef BOOL (WINAPI *WinUsb_QueryInterfaceSettings_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ UCHAR AlternateSettingNumber,
+ PUSB_INTERFACE_DESCRIPTOR UsbAltInterfaceDescriptor
+);
+typedef BOOL (WINAPI *WinUsb_QueryPipe_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ UCHAR AlternateInterfaceNumber,
+ UCHAR PipeIndex,
+ PWINUSB_PIPE_INFORMATION PipeInformation
+);
+typedef BOOL (WINAPI *WinUsb_ReadPipe_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ UCHAR PipeID,
+ PUCHAR Buffer,
+ ULONG BufferLength,
+ PULONG LengthTransferred,
+ LPOVERLAPPED Overlapped
+);
+typedef BOOL (WINAPI *WinUsb_ResetPipe_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ UCHAR PipeID
+);
+typedef BOOL (WINAPI *WinUsb_SetCurrentAlternateSetting_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ UCHAR AlternateSetting
+);
+typedef BOOL (WINAPI *WinUsb_SetPipePolicy_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ UCHAR PipeID,
+ ULONG PolicyType,
+ ULONG ValueLength,
+ PVOID Value
+);
+typedef BOOL (WINAPI *WinUsb_SetPowerPolicy_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ ULONG PolicyType,
+ ULONG ValueLength,
+ PVOID Value
+);
+typedef BOOL (WINAPI *WinUsb_WritePipe_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle,
+ UCHAR PipeID,
+ PUCHAR Buffer,
+ ULONG BufferLength,
+ PULONG LengthTransferred,
+ LPOVERLAPPED Overlapped
+);
+typedef BOOL (WINAPI *WinUsb_ResetDevice_t)(
+ WINUSB_INTERFACE_HANDLE InterfaceHandle
+);
+
+/* /!\ These must match the ones from the official libusbk.h */
+typedef enum _KUSB_FNID
+{
+ KUSB_FNID_Init,
+ KUSB_FNID_Free,
+ KUSB_FNID_ClaimInterface,
+ KUSB_FNID_ReleaseInterface,
+ KUSB_FNID_SetAltInterface,
+ KUSB_FNID_GetAltInterface,
+ KUSB_FNID_GetDescriptor,
+ KUSB_FNID_ControlTransfer,
+ KUSB_FNID_SetPowerPolicy,
+ KUSB_FNID_GetPowerPolicy,
+ KUSB_FNID_SetConfiguration,
+ KUSB_FNID_GetConfiguration,
+ KUSB_FNID_ResetDevice,
+ KUSB_FNID_Initialize,
+ KUSB_FNID_SelectInterface,
+ KUSB_FNID_GetAssociatedInterface,
+ KUSB_FNID_Clone,
+ KUSB_FNID_QueryInterfaceSettings,
+ KUSB_FNID_QueryDeviceInformation,
+ KUSB_FNID_SetCurrentAlternateSetting,
+ KUSB_FNID_GetCurrentAlternateSetting,
+ KUSB_FNID_QueryPipe,
+ KUSB_FNID_SetPipePolicy,
+ KUSB_FNID_GetPipePolicy,
+ KUSB_FNID_ReadPipe,
+ KUSB_FNID_WritePipe,
+ KUSB_FNID_ResetPipe,
+ KUSB_FNID_AbortPipe,
+ KUSB_FNID_FlushPipe,
+ KUSB_FNID_IsoReadPipe,
+ KUSB_FNID_IsoWritePipe,
+ KUSB_FNID_GetCurrentFrameNumber,
+ KUSB_FNID_GetOverlappedResult,
+ KUSB_FNID_GetProperty,
+ KUSB_FNID_COUNT,
+} KUSB_FNID;
+
+typedef struct _KLIB_VERSION {
+ INT Major;
+ INT Minor;
+ INT Micro;
+ INT Nano;
+} KLIB_VERSION;
+typedef KLIB_VERSION* PKLIB_VERSION;
+
+typedef BOOL (WINAPI *LibK_GetProcAddress_t)(
+ PVOID* ProcAddress,
+ ULONG DriverID,
+ ULONG FunctionID
+);
+
+typedef VOID (WINAPI *LibK_GetVersion_t)(
+ PKLIB_VERSION Version
+);
+
+struct winusb_interface {
+ bool initialized;
+ WinUsb_AbortPipe_t AbortPipe;
+ WinUsb_ControlTransfer_t ControlTransfer;
+ WinUsb_FlushPipe_t FlushPipe;
+ WinUsb_Free_t Free;
+ WinUsb_GetAssociatedInterface_t GetAssociatedInterface;
+ WinUsb_GetCurrentAlternateSetting_t GetCurrentAlternateSetting;
+ WinUsb_GetDescriptor_t GetDescriptor;
+ WinUsb_GetOverlappedResult_t GetOverlappedResult;
+ WinUsb_GetPipePolicy_t GetPipePolicy;
+ WinUsb_GetPowerPolicy_t GetPowerPolicy;
+ WinUsb_Initialize_t Initialize;
+ WinUsb_QueryDeviceInformation_t QueryDeviceInformation;
+ WinUsb_QueryInterfaceSettings_t QueryInterfaceSettings;
+ WinUsb_QueryPipe_t QueryPipe;
+ WinUsb_ReadPipe_t ReadPipe;
+ WinUsb_ResetPipe_t ResetPipe;
+ WinUsb_SetCurrentAlternateSetting_t SetCurrentAlternateSetting;
+ WinUsb_SetPipePolicy_t SetPipePolicy;
+ WinUsb_SetPowerPolicy_t SetPowerPolicy;
+ WinUsb_WritePipe_t WritePipe;
+ WinUsb_ResetDevice_t ResetDevice;
+};
+
+/* hid.dll interface */
+
+#define HIDP_STATUS_SUCCESS 0x110000
+typedef void* PHIDP_PREPARSED_DATA;
+
+#pragma pack(1)
+typedef struct {
+ ULONG Size;
+ USHORT VendorID;
+ USHORT ProductID;
+ USHORT VersionNumber;
+} HIDD_ATTRIBUTES, *PHIDD_ATTRIBUTES;
+#pragma pack()
+
+typedef USHORT USAGE;
+typedef struct {
+ USAGE Usage;
+ USAGE UsagePage;
+ USHORT InputReportByteLength;
+ USHORT OutputReportByteLength;
+ USHORT FeatureReportByteLength;
+ USHORT Reserved[17];
+ USHORT NumberLinkCollectionNodes;
+ USHORT NumberInputButtonCaps;
+ USHORT NumberInputValueCaps;
+ USHORT NumberInputDataIndices;
+ USHORT NumberOutputButtonCaps;
+ USHORT NumberOutputValueCaps;
+ USHORT NumberOutputDataIndices;
+ USHORT NumberFeatureButtonCaps;
+ USHORT NumberFeatureValueCaps;
+ USHORT NumberFeatureDataIndices;
+} HIDP_CAPS, *PHIDP_CAPS;
+
+typedef enum _HIDP_REPORT_TYPE {
+ HidP_Input,
+ HidP_Output,
+ HidP_Feature
+} HIDP_REPORT_TYPE;
+
+typedef struct _HIDP_VALUE_CAPS {
+ USAGE UsagePage;
+ UCHAR ReportID;
+ BOOLEAN IsAlias;
+ USHORT BitField;
+ USHORT LinkCollection;
+ USAGE LinkUsage;
+ USAGE LinkUsagePage;
+ BOOLEAN IsRange;
+ BOOLEAN IsStringRange;
+ BOOLEAN IsDesignatorRange;
+ BOOLEAN IsAbsolute;
+ BOOLEAN HasNull;
+ UCHAR Reserved;
+ USHORT BitSize;
+ USHORT ReportCount;
+ USHORT Reserved2[5];
+ ULONG UnitsExp;
+ ULONG Units;
+ LONG LogicalMin, LogicalMax;
+ LONG PhysicalMin, PhysicalMax;
+ union {
+ struct {
+ USAGE UsageMin, UsageMax;
+ USHORT StringMin, StringMax;
+ USHORT DesignatorMin, DesignatorMax;
+ USHORT DataIndexMin, DataIndexMax;
+ } Range;
+ struct {
+ USAGE Usage, Reserved1;
+ USHORT StringIndex, Reserved2;
+ USHORT DesignatorIndex, Reserved3;
+ USHORT DataIndex, Reserved4;
+ } NotRange;
+ } u;
+} HIDP_VALUE_CAPS, *PHIDP_VALUE_CAPS;
+
+DLL_DECLARE(WINAPI, BOOL, HidD_GetAttributes, (HANDLE, PHIDD_ATTRIBUTES));
+DLL_DECLARE(WINAPI, VOID, HidD_GetHidGuid, (LPGUID));
+DLL_DECLARE(WINAPI, BOOL, HidD_GetPreparsedData, (HANDLE, PHIDP_PREPARSED_DATA *));
+DLL_DECLARE(WINAPI, BOOL, HidD_FreePreparsedData, (PHIDP_PREPARSED_DATA));
+DLL_DECLARE(WINAPI, BOOL, HidD_GetManufacturerString, (HANDLE, PVOID, ULONG));
+DLL_DECLARE(WINAPI, BOOL, HidD_GetProductString, (HANDLE, PVOID, ULONG));
+DLL_DECLARE(WINAPI, BOOL, HidD_GetSerialNumberString, (HANDLE, PVOID, ULONG));
+DLL_DECLARE(WINAPI, LONG, HidP_GetCaps, (PHIDP_PREPARSED_DATA, PHIDP_CAPS));
+DLL_DECLARE(WINAPI, BOOL, HidD_SetNumInputBuffers, (HANDLE, ULONG));
+DLL_DECLARE(WINAPI, BOOL, HidD_SetFeature, (HANDLE, PVOID, ULONG));
+DLL_DECLARE(WINAPI, BOOL, HidD_GetFeature, (HANDLE, PVOID, ULONG));
+DLL_DECLARE(WINAPI, BOOL, HidD_GetPhysicalDescriptor, (HANDLE, PVOID, ULONG));
+DLL_DECLARE(WINAPI, BOOL, HidD_GetInputReport, (HANDLE, PVOID, ULONG));
+DLL_DECLARE(WINAPI, BOOL, HidD_SetOutputReport, (HANDLE, PVOID, ULONG));
+DLL_DECLARE(WINAPI, BOOL, HidD_FlushQueue, (HANDLE));
+DLL_DECLARE(WINAPI, BOOL, HidP_GetValueCaps, (HIDP_REPORT_TYPE, PHIDP_VALUE_CAPS, PULONG, PHIDP_PREPARSED_DATA));
-#define LIBUSB_NANO 11028
+#define LIBUSB_NANO 11029
# End Source File
# Begin Source File
-SOURCE=..\libusb\os\windows_usb.c
+SOURCE=..\libusb\os\windows_winusb.c
# End Source File
# End Group
# Begin Group "Header Files"
# End Source File
# Begin Source File
-SOURCE=..\libusb\os\windows_usb.h
+SOURCE=..\libusb\os\windows_winusb.h
# End Source File
# Begin Source File
>
</File>
<File
- RelativePath="..\libusb\os\windows_usb.c"
+ RelativePath="..\libusb\os\windows_winusb.c"
>
</File>
</Filter>
>
</File>
<File
- RelativePath="..\libusb\os\windows_usb.h"
+ RelativePath="..\libusb\os\windows_winusb.h"
>
</File>
<File
<ClCompile Include="..\libusb\strerror.c" />
<ClCompile Include="..\libusb\sync.c" />
<ClCompile Include="..\libusb\os\threads_windows.c" />
- <ClCompile Include="..\libusb\os\windows_usb.c" />
+ <ClCompile Include="..\libusb\os\windows_winusb.c" />
</ItemGroup>
<ItemGroup>
<ClInclude Include=".\config.h" />
<ClInclude Include="..\libusb\libusbi.h" />
<ClInclude Include="..\libusb\os\poll_windows.h" />
<ClInclude Include="..\libusb\os\threads_windows.h" />
- <ClInclude Include="..\libusb\os\windows_usb.h" />
+ <ClInclude Include="..\libusb\os\windows_winusb.h" />
<ClInclude Include="..\libusb\os\windows_common.h" />
</ItemGroup>
<ItemGroup>
<ClCompile Include="..\libusb\os\threads_windows.c">
<Filter>Source Files</Filter>
</ClCompile>
- <ClCompile Include="..\libusb\os\windows_usb.c">
+ <ClCompile Include="..\libusb\os\windows_winusb.c">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ClInclude Include="..\libusb\os\threads_windows.h">
<Filter>Header Files</Filter>
</ClInclude>
- <ClInclude Include="..\libusb\os\windows_usb.h">
+ <ClInclude Include="..\libusb\os\windows_winusb.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="..\libusb\os\windows_common.h">
<ClCompile Include="..\libusb\strerror.c" />
<ClCompile Include="..\libusb\sync.c" />
<ClCompile Include="..\libusb\os\threads_windows.c" />
- <ClCompile Include="..\libusb\os\windows_usb.c" />
+ <ClCompile Include="..\libusb\os\windows_winusb.c" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\libusb\hotplug.h" />
<ClInclude Include="..\libusb\libusbi.h" />
<ClInclude Include="..\libusb\os\poll_windows.h" />
<ClInclude Include="..\libusb\os\threads_windows.h" />
- <ClInclude Include="..\libusb\os\windows_usb.h" />
+ <ClInclude Include="..\libusb\os\windows_winusb.h" />
</ItemGroup>
<ItemGroup>
<None Include="..\libusb\libusb-1.0.def" />
<ClCompile Include="..\libusb\os\threads_windows.c">
<Filter>Source Files</Filter>
</ClCompile>
- <ClCompile Include="..\libusb\os\windows_usb.c">
+ <ClCompile Include="..\libusb\os\windows_winusb.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="..\libusb\hotplug.c">
<ClInclude Include="..\libusb\os\threads_windows.h">
<Filter>Header Files</Filter>
</ClInclude>
- <ClInclude Include="..\libusb\os\windows_usb.h">
+ <ClInclude Include="..\libusb\os\windows_winusb.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="..\libusb\version.h">
<ClCompile Include="..\libusb\strerror.c" />
<ClCompile Include="..\libusb\sync.c" />
<ClCompile Include="..\libusb\os\threads_windows.c" />
- <ClCompile Include="..\libusb\os\windows_usb.c" />
+ <ClCompile Include="..\libusb\os\windows_winusb.c" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\libusb\hotplug.h" />
<ClInclude Include="..\libusb\libusbi.h" />
<ClInclude Include="..\libusb\os\poll_windows.h" />
<ClInclude Include="..\libusb\os\threads_windows.h" />
- <ClInclude Include="..\libusb\os\windows_usb.h" />
+ <ClInclude Include="..\libusb\os\windows_winusb.h" />
</ItemGroup>
<ItemGroup>
<None Include="..\libusb\libusb-1.0.def" />
<ClCompile Include="..\libusb\strerror.c" />
<ClCompile Include="..\libusb\sync.c" />
<ClCompile Include="..\libusb\os\threads_windows.c" />
- <ClCompile Include="..\libusb\os\windows_usb.c" />
+ <ClCompile Include="..\libusb\os\windows_winusb.c" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\libusb\hotplug.h" />
<ClInclude Include="..\libusb\libusbi.h" />
<ClInclude Include="..\libusb\os\poll_windows.h" />
<ClInclude Include="..\libusb\os\threads_windows.h" />
- <ClInclude Include="..\libusb\os\windows_usb.h" />
+ <ClInclude Include="..\libusb\os\windows_winusb.h" />
</ItemGroup>
<ItemGroup>
<None Include="..\libusb\libusb-1.0.def" />
..\hotplug.c \
threads_windows.c \
poll_windows.c \
- windows_usb.c \
+ windows_winusb.c \
windows_nt_common.c \
..\libusb-1.0.rc
# End Source File
# Begin Source File
-SOURCE=..\libusb\os\windows_usb.c
+SOURCE=..\libusb\os\windows_winusb.c
# End Source File
# End Group
# Begin Group "Header Files"
# End Source File
# Begin Source File
-SOURCE=..\libusb\os\windows_usb.h
+SOURCE=..\libusb\os\windows_winusb.h
# End Source File
# Begin Source File
>
</File>
<File
- RelativePath="..\libusb\os\windows_usb.c"
+ RelativePath="..\libusb\os\windows_winusb.c"
>
</File>
</Filter>
>
</File>
<File
- RelativePath="..\libusb\os\windows_usb.h"
+ RelativePath="..\libusb\os\windows_winusb.h"
>
</File>
<File
<ClCompile Include="..\libusb\strerror.c" />
<ClCompile Include="..\libusb\sync.c" />
<ClCompile Include="..\libusb\os\threads_windows.c" />
- <ClCompile Include="..\libusb\os\windows_usb.c" />
+ <ClCompile Include="..\libusb\os\windows_winusb.c" />
</ItemGroup>
<ItemGroup>
<ClInclude Include=".\config.h" />
<ClInclude Include="..\libusb\libusbi.h" />
<ClInclude Include="..\libusb\os\poll_windows.h" />
<ClInclude Include="..\libusb\os\threads_windows.h" />
- <ClInclude Include="..\libusb\os\windows_usb.h" />
+ <ClInclude Include="..\libusb\os\windows_winusb.h" />
<ClInclude Include="..\libusb\os\windows_common.h" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ClCompile Include="..\libusb\os\threads_windows.c">
<Filter>Source Files</Filter>
</ClCompile>
- <ClCompile Include="..\libusb\os\windows_usb.c">
+ <ClCompile Include="..\libusb\os\windows_winusb.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="..\libusb\hotplug.c">
<ClInclude Include="..\libusb\os\threads_windows.h">
<Filter>Header Files</Filter>
</ClInclude>
- <ClInclude Include="..\libusb\os\windows_usb.h">
+ <ClInclude Include="..\libusb\os\windows_winusb.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="..\libusb\os\windows_common.h">
<ClCompile Include="..\libusb\strerror.c" />
<ClCompile Include="..\libusb\sync.c" />
<ClCompile Include="..\libusb\os\threads_windows.c" />
- <ClCompile Include="..\libusb\os\windows_usb.c" />
+ <ClCompile Include="..\libusb\os\windows_winusb.c" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\libusb\hotplug.h" />
<ClInclude Include="..\libusb\libusbi.h" />
<ClInclude Include="..\libusb\os\poll_windows.h" />
<ClInclude Include="..\libusb\os\threads_windows.h" />
- <ClInclude Include="..\libusb\os\windows_usb.h" />
+ <ClInclude Include="..\libusb\os\windows_winusb.h" />
<ClInclude Include="..\libusb\os\windows_common.h" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ClCompile Include="..\libusb\os\threads_windows.c">
<Filter>Source Files</Filter>
</ClCompile>
- <ClCompile Include="..\libusb\os\windows_usb.c">
+ <ClCompile Include="..\libusb\os\windows_winusb.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="..\libusb\hotplug.c">
<ClInclude Include="..\libusb\os\threads_windows.h">
<Filter>Header Files</Filter>
</ClInclude>
- <ClInclude Include="..\libusb\os\windows_usb.h">
+ <ClInclude Include="..\libusb\os\windows_winusb.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="..\libusb\os\windows_common.h">
<ClCompile Include="..\libusb\strerror.c" />
<ClCompile Include="..\libusb\sync.c" />
<ClCompile Include="..\libusb\os\threads_windows.c" />
- <ClCompile Include="..\libusb\os\windows_usb.c" />
+ <ClCompile Include="..\libusb\os\windows_winusb.c" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\libusb\hotplug.h" />
<ClInclude Include="..\libusb\libusbi.h" />
<ClInclude Include="..\libusb\os\poll_windows.h" />
<ClInclude Include="..\libusb\os\threads_windows.h" />
- <ClInclude Include="..\libusb\os\windows_usb.h" />
+ <ClInclude Include="..\libusb\os\windows_winusb.h" />
<ClInclude Include="..\libusb\os\windows_common.h" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ClCompile Include="..\libusb\strerror.c" />
<ClCompile Include="..\libusb\sync.c" />
<ClCompile Include="..\libusb\os\threads_windows.c" />
- <ClCompile Include="..\libusb\os\windows_usb.c" />
+ <ClCompile Include="..\libusb\os\windows_winusb.c" />
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\libusb\hotplug.h" />
<ClInclude Include="..\libusb\libusbi.h" />
<ClInclude Include="..\libusb\os\poll_windows.h" />
<ClInclude Include="..\libusb\os\threads_windows.h" />
- <ClInclude Include="..\libusb\os\windows_usb.h" />
+ <ClInclude Include="..\libusb\os\windows_winusb.h" />
<ClInclude Include="..\libusb\os\windows_common.h" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
projects / platform / upstream / libusb.git / commitdiff