* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
+ * are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
#include "telnet.h"
#include "connect.h"
#include "progress.h"
-
-#define _MPRINTF_REPLACE /* use our functions only */
-#include <curl/mprintf.h>
+#include "system_win32.h"
#define TELOPTS
#define TELCMDS
#include "arpa_telnet.h"
-#include "curl_memory.h"
#include "select.h"
#include "strequal.h"
#include "rawstr.h"
#include "warnless.h"
-/* The last #include file should be: */
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
#include "memdebug.h"
#define SUBBUFSIZE 512
#ifdef USE_WINSOCK
typedef FARPROC WSOCK2_FUNC;
-static CURLcode check_wsock2 ( struct SessionHandle *data );
+static CURLcode check_wsock2 (struct Curl_easy *data);
#endif
static
ssize_t count); /* Number of bytes received */
#ifndef CURL_DISABLE_VERBOSE_STRINGS
-static void printoption(struct SessionHandle *data,
+static void printoption(struct Curl_easy *data,
const char *direction,
int cmd, int option);
#endif
static void set_local_option(struct connectdata *, int cmd, int option);
static void set_remote_option(struct connectdata *, int cmd, int option);
-static void printsub(struct SessionHandle *data,
+static void printsub(struct Curl_easy *data,
int direction, unsigned char *pointer,
size_t length);
static void suboption(struct connectdata *);
#ifdef USE_WINSOCK
static CURLcode
-check_wsock2 ( struct SessionHandle *data )
+check_wsock2(struct Curl_easy *data)
{
int err;
WORD wVersionRequested;
if(LOBYTE(wsaData.wVersion) != LOBYTE(wVersionRequested) ||
HIBYTE(wsaData.wVersion) != HIBYTE(wVersionRequested)) {
/* Our version isn't supported */
- failf(data,"insufficient winsock version to support "
- "telnet");
- return CURLE_FAILED_INIT;
+ failf(data, "insufficient winsock version to support "
+ "telnet");
+ return CURLE_FAILED_INIT;
}
/* Our version is supported */
if(!tn)
return CURLE_OUT_OF_MEMORY;
- conn->data->state.proto.telnet = (void *)tn; /* make us known */
+ conn->data->req.protop = tn; /* make us known */
tn->telrcv_state = CURL_TS_DATA;
static void negotiate(struct connectdata *conn)
{
int i;
- struct TELNET *tn = (struct TELNET *) conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *) conn->data->req.protop;
for(i = 0;i < CURL_NTELOPTS;i++) {
if(i==CURL_TELOPT_ECHO)
}
#ifndef CURL_DISABLE_VERBOSE_STRINGS
-static void printoption(struct SessionHandle *data,
+static void printoption(struct Curl_easy *data,
const char *direction, int cmd, int option)
{
const char *fmt;
unsigned char buf[3];
ssize_t bytes_written;
int err;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
buf[0] = CURL_IAC;
buf[1] = (unsigned char)cmd;
static
void set_remote_option(struct connectdata *conn, int option, int newstate)
{
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
if(newstate == CURL_YES) {
switch(tn->him[option]) {
case CURL_NO:
static
void rec_will(struct connectdata *conn, int option)
{
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
switch(tn->him[option]) {
case CURL_NO:
if(tn->him_preferred[option] == CURL_YES) {
static
void rec_wont(struct connectdata *conn, int option)
{
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
switch(tn->him[option]) {
case CURL_NO:
/* Already disabled */
static void
set_local_option(struct connectdata *conn, int option, int newstate)
{
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
if(newstate == CURL_YES) {
switch(tn->us[option]) {
case CURL_NO:
static
void rec_do(struct connectdata *conn, int option)
{
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
switch(tn->us[option]) {
case CURL_NO:
if(tn->us_preferred[option] == CURL_YES) {
static
void rec_dont(struct connectdata *conn, int option)
{
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
switch(tn->us[option]) {
case CURL_NO:
/* Already disabled */
}
-static void printsub(struct SessionHandle *data,
+static void printsub(struct Curl_easy *data,
int direction, /* '<' or '>' */
unsigned char *pointer, /* where suboption data is */
size_t length) /* length of suboption data */
{
unsigned int i = 0;
- unsigned short *pval;
if(data->set.verbose) {
if(direction) {
switch(pointer[0]) {
case CURL_TELOPT_NAWS:
- pval = (unsigned short*)(pointer+1);
- infof(data, "Width: %hu ; Height: %hu",
- ntohs(pval[0]), ntohs(pval[1]));
+ if(length > 4)
+ infof(data, "Width: %hu ; Height: %hu", (pointer[1]<<8) | pointer[2],
+ (pointer[3]<<8) | pointer[4]);
break;
default:
switch(pointer[1]) {
{
struct curl_slist *head;
struct curl_slist *beg;
- char option_keyword[128];
- char option_arg[256];
- struct SessionHandle *data = conn->data;
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ char option_keyword[128] = "";
+ char option_arg[256] = "";
+ struct Curl_easy *data = conn->data;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
CURLcode result = CURLE_OK;
int binary_option;
size_t len;
size_t tmplen;
int err;
- char varname[128];
- char varval[128];
- struct SessionHandle *data = conn->data;
- struct TELNET *tn = (struct TELNET *)data->state.proto.telnet;
+ char varname[128] = "";
+ char varval[128] = "";
+ struct Curl_easy *data = conn->data;
+ struct TELNET *tn = (struct TELNET *)data->req.protop;
printsub(data, '<', (unsigned char *)tn->subbuffer, CURL_SB_LEN(tn)+2);
switch (CURL_SB_GET(tn)) {
tmplen = (strlen(v->data) + 1);
/* Add the variable only if it fits */
if(len + tmplen < (int)sizeof(temp)-6) {
- sscanf(v->data, "%127[^,],%127s", varname, varval);
- snprintf((char *)&temp[len], sizeof(temp) - len,
- "%c%s%c%s", CURL_NEW_ENV_VAR, varname,
- CURL_NEW_ENV_VALUE, varval);
- len += tmplen;
+ if(sscanf(v->data, "%127[^,],%127s", varname, varval)) {
+ snprintf((char *)&temp[len], sizeof(temp) - len,
+ "%c%s%c%s", CURL_NEW_ENV_VAR, varname,
+ CURL_NEW_ENV_VALUE, varval);
+ len += tmplen;
+ }
}
}
snprintf((char *)&temp[len], sizeof(temp) - len,
unsigned short x, y;
unsigned char*uc1, *uc2;
- struct SessionHandle *data = conn->data;
- struct TELNET *tn = (struct TELNET *)data->state.proto.telnet;
+ struct Curl_easy *data = conn->data;
+ struct TELNET *tn = (struct TELNET *)data->req.protop;
switch (option) {
case CURL_TELOPT_NAWS:
CURLcode result;
int in = 0;
int startwrite=-1;
- struct SessionHandle *data = conn->data;
- struct TELNET *tn = (struct TELNET *)data->state.proto.telnet;
+ struct Curl_easy *data = conn->data;
+ struct TELNET *tn = (struct TELNET *)data->req.protop;
#define startskipping() \
if(startwrite >= 0) { \
CLIENTWRITE_BODY, \
(char *)&inbuf[startwrite], \
in-startwrite); \
- if(result != CURLE_OK) \
+ if(result) \
return result; \
} \
startwrite = -1
if(c == CURL_IAC)
tn->telrcv_state = CURL_TS_SE;
else
- CURL_SB_ACCUM(tn,c);
+ CURL_SB_ACCUM(tn, c);
break;
case CURL_TS_SE:
tn->telrcv_state = CURL_TS_IAC;
goto process_iac;
}
- CURL_SB_ACCUM(tn,c);
+ CURL_SB_ACCUM(tn, c);
tn->telrcv_state = CURL_TS_SB;
}
else
unsigned char outbuf[2];
ssize_t bytes_written, total_written;
int out_count;
- CURLcode rc = CURLE_OK;
+ CURLcode result = CURLE_OK;
- while(rc == CURLE_OK && nread--) {
+ while(!result && nread--) {
outbuf[0] = *buffer++;
out_count = 1;
if(outbuf[0] == CURL_IAC)
switch (Curl_poll(pfd, 1, -1)) {
case -1: /* error, abort writing */
case 0: /* timeout (will never happen) */
- rc = CURLE_SEND_ERROR;
+ result = CURLE_SEND_ERROR;
break;
default: /* write! */
bytes_written = 0;
- rc = Curl_write(conn, conn->sock[FIRSTSOCKET], outbuf+total_written,
- out_count-total_written, &bytes_written);
+ result = Curl_write(conn, conn->sock[FIRSTSOCKET],
+ outbuf+total_written, out_count-total_written,
+ &bytes_written);
total_written += bytes_written;
break;
}
- /* handle partial write */
- } while(rc == CURLE_OK && total_written < out_count);
+ /* handle partial write */
+ } while(!result && total_written < out_count);
}
- return rc;
+ return result;
}
static CURLcode telnet_done(struct connectdata *conn,
CURLcode status, bool premature)
{
- struct TELNET *tn = (struct TELNET *)conn->data->state.proto.telnet;
+ struct TELNET *tn = (struct TELNET *)conn->data->req.protop;
(void)status; /* unused */
(void)premature; /* not used */
curl_slist_free_all(tn->telnet_vars);
tn->telnet_vars = NULL;
- Curl_safefree(conn->data->state.proto.telnet);
+ Curl_safefree(conn->data->req.protop);
return CURLE_OK;
}
static CURLcode telnet_do(struct connectdata *conn, bool *done)
{
- CURLcode code;
- struct SessionHandle *data = conn->data;
+ CURLcode result;
+ struct Curl_easy *data = conn->data;
curl_socket_t sockfd = conn->sock[FIRSTSOCKET];
#ifdef USE_WINSOCK
HMODULE wsock2;
*done = TRUE; /* unconditionally */
- code = init_telnet(conn);
- if(code)
- return code;
+ result = init_telnet(conn);
+ if(result)
+ return result;
- tn = (struct TELNET *)data->state.proto.telnet;
+ tn = (struct TELNET *)data->req.protop;
- code = check_telnet_options(conn);
- if(code)
- return code;
+ result = check_telnet_options(conn);
+ if(result)
+ return result;
#ifdef USE_WINSOCK
/*
** This functionality only works with WinSock >= 2.0. So,
** make sure have it.
*/
- code = check_wsock2(data);
- if(code)
- return code;
+ result = check_wsock2(data);
+ if(result)
+ return result;
/* OK, so we have WinSock 2.0. We need to dynamically */
/* load ws2_32.dll and get the function pointers we need. */
- wsock2 = LoadLibrary(TEXT("WS2_32.DLL"));
+ wsock2 = Curl_load_library(TEXT("WS2_32.DLL"));
if(wsock2 == NULL) {
- failf(data,"failed to load WS2_32.DLL (%d)", ERRNO);
+ failf(data, "failed to load WS2_32.DLL (%d)", ERRNO);
return CURLE_FAILED_INIT;
}
/* Grab a pointer to WSACreateEvent */
- create_event_func = GetProcAddress(wsock2,"WSACreateEvent");
+ create_event_func = GetProcAddress(wsock2, "WSACreateEvent");
if(create_event_func == NULL) {
- failf(data,"failed to find WSACreateEvent function (%d)",
- ERRNO);
+ failf(data, "failed to find WSACreateEvent function (%d)", ERRNO);
FreeLibrary(wsock2);
return CURLE_FAILED_INIT;
}
/* And WSACloseEvent */
- close_event_func = GetProcAddress(wsock2,"WSACloseEvent");
+ close_event_func = GetProcAddress(wsock2, "WSACloseEvent");
if(close_event_func == NULL) {
- failf(data,"failed to find WSACloseEvent function (%d)",
- ERRNO);
+ failf(data, "failed to find WSACloseEvent function (%d)", ERRNO);
FreeLibrary(wsock2);
return CURLE_FAILED_INIT;
}
/* And WSAEventSelect */
- event_select_func = GetProcAddress(wsock2,"WSAEventSelect");
+ event_select_func = GetProcAddress(wsock2, "WSAEventSelect");
if(event_select_func == NULL) {
- failf(data,"failed to find WSAEventSelect function (%d)",
- ERRNO);
+ failf(data, "failed to find WSAEventSelect function (%d)", ERRNO);
FreeLibrary(wsock2);
return CURLE_FAILED_INIT;
}
/* And WSAEnumNetworkEvents */
- enum_netevents_func = GetProcAddress(wsock2,"WSAEnumNetworkEvents");
+ enum_netevents_func = GetProcAddress(wsock2, "WSAEnumNetworkEvents");
if(enum_netevents_func == NULL) {
- failf(data,"failed to find WSAEnumNetworkEvents function (%d)",
- ERRNO);
+ failf(data, "failed to find WSAEnumNetworkEvents function (%d)", ERRNO);
FreeLibrary(wsock2);
return CURLE_FAILED_INIT;
}
/* First, create a sockets event object */
event_handle = (WSAEVENT)create_event_func();
if(event_handle == WSA_INVALID_EVENT) {
- failf(data,"WSACreateEvent failed (%d)", SOCKERRNO);
+ failf(data, "WSACreateEvent failed (%d)", SOCKERRNO);
FreeLibrary(wsock2);
return CURLE_FAILED_INIT;
}
case WAIT_TIMEOUT:
{
for(;;) {
- if(obj_count == 1) {
+ if(data->set.is_fread_set) {
/* read from user-supplied method */
- code = (int)conn->fread_func(buf, 1, BUFSIZE - 1, conn->fread_in);
- if(code == CURL_READFUNC_ABORT) {
+ result = (int)data->state.fread_func(buf, 1, BUFSIZE - 1,
+ data->state.in);
+ if(result == CURL_READFUNC_ABORT) {
keepon = FALSE;
- code = CURLE_READ_ERROR;
+ result = CURLE_READ_ERROR;
break;
}
- if(code == CURL_READFUNC_PAUSE)
+ if(result == CURL_READFUNC_PAUSE)
break;
- if(code == 0) /* no bytes */
+ if(result == 0) /* no bytes */
break;
- readfile_read = code; /* fall thru with number of bytes read */
+ readfile_read = result; /* fall thru with number of bytes read */
}
else {
/* read from stdin */
if(!PeekNamedPipe(stdin_handle, NULL, 0, NULL,
&readfile_read, NULL)) {
keepon = FALSE;
- code = CURLE_READ_ERROR;
+ result = CURLE_READ_ERROR;
break;
}
if(!ReadFile(stdin_handle, buf, sizeof(data->state.buffer),
&readfile_read, NULL)) {
keepon = FALSE;
- code = CURLE_READ_ERROR;
+ result = CURLE_READ_ERROR;
break;
}
}
- code = send_telnet_data(conn, buf, readfile_read);
- if(code) {
+ result = send_telnet_data(conn, buf, readfile_read);
+ if(result) {
keepon = FALSE;
break;
}
if(!ReadFile(stdin_handle, buf, sizeof(data->state.buffer),
&readfile_read, NULL)) {
keepon = FALSE;
- code = CURLE_READ_ERROR;
+ result = CURLE_READ_ERROR;
break;
}
- code = send_telnet_data(conn, buf, readfile_read);
- if(code) {
+ result = send_telnet_data(conn, buf, readfile_read);
+ if(result) {
keepon = FALSE;
break;
}
case WAIT_OBJECT_0:
+ events.lNetworkEvents = 0;
if(SOCKET_ERROR == enum_netevents_func(sockfd, event_handle, &events)) {
if((err = SOCKERRNO) != EINPROGRESS) {
- infof(data,"WSAEnumNetworkEvents failed (%d)", err);
+ infof(data, "WSAEnumNetworkEvents failed (%d)", err);
keepon = FALSE;
- code = CURLE_READ_ERROR;
+ result = CURLE_READ_ERROR;
}
break;
}
if(events.lNetworkEvents & FD_READ) {
/* read data from network */
- code = Curl_read(conn, sockfd, buf, BUFSIZE - 1, &nread);
+ result = Curl_read(conn, sockfd, buf, BUFSIZE - 1, &nread);
/* read would've blocked. Loop again */
- if(code == CURLE_AGAIN)
+ if(result == CURLE_AGAIN)
break;
/* returned not-zero, this an error */
- else if(code) {
+ else if(result) {
keepon = FALSE;
break;
}
break;
}
- code = telrcv(conn, (unsigned char *)buf, nread);
- if(code) {
+ result = telrcv(conn, (unsigned char *) buf, nread);
+ if(result) {
keepon = FALSE;
break;
}
now = Curl_tvnow();
if(Curl_tvdiff(now, conn->created) >= data->set.timeout) {
failf(data, "Time-out");
- code = CURLE_OPERATION_TIMEDOUT;
+ result = CURLE_OPERATION_TIMEDOUT;
keepon = FALSE;
}
}
/* We called WSACreateEvent, so call WSACloseEvent */
if(!close_event_func(event_handle)) {
- infof(data,"WSACloseEvent failed (%d)", SOCKERRNO);
+ infof(data, "WSACloseEvent failed (%d)", SOCKERRNO);
}
/* "Forget" pointers into the library we're about to free */
/* We called LoadLibrary, so call FreeLibrary */
if(!FreeLibrary(wsock2))
- infof(data,"FreeLibrary(wsock2) failed (%d)", ERRNO);
+ infof(data, "FreeLibrary(wsock2) failed (%d)", ERRNO);
#else
pfd[0].fd = sockfd;
pfd[0].events = POLLIN;
- if(conn->fread_func != (curl_read_callback)fread) {
+ if(data->set.is_fread_set) {
poll_cnt = 1;
interval_ms = 100; /* poll user-supplied read function */
}
else {
/* really using fread, so infile is a FILE* */
- pfd[1].fd = fileno((FILE *)conn->fread_in);
+ pfd[1].fd = fileno((FILE *)data->state.in);
pfd[1].events = POLLIN;
poll_cnt = 2;
interval_ms = 1 * 1000;
default: /* read! */
if(pfd[0].revents & POLLIN) {
/* read data from network */
- code = Curl_read(conn, sockfd, buf, BUFSIZE - 1, &nread);
+ result = Curl_read(conn, sockfd, buf, BUFSIZE - 1, &nread);
/* read would've blocked. Loop again */
- if(code == CURLE_AGAIN)
+ if(result == CURLE_AGAIN)
break;
/* returned not-zero, this an error */
- else if(code) {
+ else if(result) {
keepon = FALSE;
break;
}
total_dl += nread;
Curl_pgrsSetDownloadCounter(data, total_dl);
- code = telrcv(conn, (unsigned char *)buf, nread);
- if(code) {
+ result = telrcv(conn, (unsigned char *)buf, nread);
+ if(result) {
keepon = FALSE;
break;
}
}
else {
/* read from user-supplied method */
- nread = (int)conn->fread_func(buf, 1, BUFSIZE - 1, conn->fread_in);
+ nread = (int)data->state.fread_func(buf, 1, BUFSIZE - 1,
+ data->state.in);
if(nread == CURL_READFUNC_ABORT) {
keepon = FALSE;
break;
}
if(nread > 0) {
- code = send_telnet_data(conn, buf, nread);
- if(code) {
+ result = send_telnet_data(conn, buf, nread);
+ if(result) {
keepon = FALSE;
break;
}
now = Curl_tvnow();
if(Curl_tvdiff(now, conn->created) >= data->set.timeout) {
failf(data, "Time-out");
- code = CURLE_OPERATION_TIMEDOUT;
+ result = CURLE_OPERATION_TIMEDOUT;
keepon = FALSE;
}
}
if(Curl_pgrsUpdate(conn)) {
- code = CURLE_ABORTED_BY_CALLBACK;
+ result = CURLE_ABORTED_BY_CALLBACK;
break;
}
}
/* mark this as "no further transfer wanted" */
Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
- return code;
+ return result;
}
#endif