2 * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the License);
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an AS IS BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
24 #include "transport.h" /* readx(), writex() */
27 #include "commandline_sdbd.h"
29 #include <tzplatform_config.h>
31 #define MAX_PAYLOAD 4096
33 #define A_SYNC 0x434e5953
34 #define A_CNXN 0x4e584e43
35 #define A_OPEN 0x4e45504f
36 #define A_OKAY 0x59414b4f
37 #define A_CLSE 0x45534c43
38 #define A_WRTE 0x45545257
39 #define A_STAT 0x54415453
41 #define A_VERSION 0x02000000 // SDB protocol version
43 #define SDB_VERSION_MAJOR 2 // Used for help/version information
44 #define SDB_VERSION_MINOR 2 // Used for help/version information
45 #define SDB_VERSION_PATCH 31 // Used for help/version information
47 #define SDB_SERVER_VERSION 0 // Increment this when we want to force users to start a new sdb server
49 typedef struct amessage amessage;
50 typedef struct apacket apacket;
51 typedef struct asocket asocket;
52 typedef struct alistener alistener;
53 typedef struct aservice aservice;
54 typedef struct atransport atransport;
55 typedef struct adisconnect adisconnect;
56 typedef struct usb_handle usb_handle;
59 unsigned command; /* command identifier constant */
60 unsigned arg0; /* first argument */
61 unsigned arg1; /* second argument */
62 unsigned data_length; /* length of payload (0 is allowed) */
63 unsigned data_check; /* checksum of data payload */
64 unsigned magic; /* command ^ 0xffffffff */
75 unsigned char data[MAX_PAYLOAD];
78 /* An asocket represents one half of a connection between a local and
79 ** remote entity. A local asocket is bound to a file descriptor. A
80 ** remote asocket is bound to the protocol engine.
83 /* chain pointers for the local/remote list of
84 ** asockets that this asocket lives in
89 /* the unique identifier for this asocket
93 /* flag: set when the socket's peer has closed
94 ** but packets are still queued for delivery
98 /* the asocket we are connected to
103 /* For local asockets, the fde is used to bind
104 ** us to our fd event system. For remote asockets
105 ** these fields are not used.
110 /* queue of apackets waiting to be written
115 /* enqueue is called by our peer when it has data
116 ** for us. It should return 0 if we can accept more
117 ** data or 1 if not. If we return 1, we must call
118 ** peer->ready() when we once again are ready to
121 int (*enqueue)(asocket *s, apacket *pkt);
123 /* ready is called by the peer when it is ready for
124 ** us to send data via enqueue again
126 void (*ready)(asocket *s);
128 /* close is called by the peer when it has gone away.
129 ** we are not allowed to make any further calls on the
130 ** peer once our close method is called.
132 void (*close)(asocket *s);
134 /* socket-type-specific extradata */
137 /* A socket is bound to atransport */
138 atransport *transport;
142 /* the adisconnect structure is used to record a callback that
143 ** will be called whenever a transport is disconnected (e.g. by the user)
144 ** this should be used to cleanup objects that depend on the
145 ** transport (e.g. remote sockets, listeners, etc...)
149 void (*func)(void* opaque, atransport* t);
156 /* a transport object models the connection to a remote device or emulator
157 ** there is one transport per connected device/emulator. a "local transport"
158 ** connects through TCP (for the emulator), while a "usb transport" through
159 ** USB (for real devices)
161 ** note that kTransportHost doesn't really correspond to a real transport
162 ** object, it's a special value used to indicate that a client wants to
163 ** connect to a service implemented within the SDB server itself.
165 typedef enum transport_type {
177 int (*read_from_remote)(apacket *p, atransport *t);
178 int (*write_to_remote)(apacket *p, atransport *t);
179 void (*close)(atransport *t);
180 void (*kick)(atransport *t);
183 int transport_socket;
184 fdevent transport_fde;
187 int connection_state;
190 /* usb handle or socket fd as needed */
194 /* used to identify transports for clients */
197 int sdb_port; // Use for emulators (local transport)
198 char *device_name; // for connection explorer
200 /* a list of adisconnect callbacks called when the transport is kicked */
202 adisconnect disconnects;
206 /* A listener is an entity which binds to a local port
207 ** and, upon receiving a connection on that port, creates
208 ** an asocket to connect the new local connection to a
209 ** specific remote service.
211 ** TODO: some listeners read from the new connection to
212 ** determine what exact service to connect to on the far
223 const char *local_name;
224 const char *connect_to;
225 atransport *transport;
226 adisconnect disconnect;
229 #define UNKNOWN "unknown"
230 #define INFOBUF_MAXLEN 64
231 #define INFO_VERSION "2.2.0"
232 typedef struct platform_info {
233 char platform_info_version[INFOBUF_MAXLEN];
234 char model_name[INFOBUF_MAXLEN]; // Emulator
235 char platform_name[INFOBUF_MAXLEN]; // Tizen
236 char platform_version[INFOBUF_MAXLEN]; // 2.2.1
237 char profile_name[INFOBUF_MAXLEN]; // 2.2.1
240 #define ENABLED "enabled"
241 #define DISABLED "disabled"
242 #define CAPBUF_SIZE 4096
243 #define CAPBUF_ITEMSIZE 32
244 #define CAPBUF_L_ITEMSIZE 256
245 #define CAPBUF_LL_ITEMSIZE PATH_MAX
246 #define SDBD_CAP_VERSION_MAJOR 1
247 #define SDBD_CAP_VERSION_MINOR 0
248 typedef struct platform_capabilities
250 char secure_protocol[CAPBUF_ITEMSIZE]; // enabled or disabled
251 char intershell_support[CAPBUF_ITEMSIZE]; // enabled or disabled
252 char filesync_support[CAPBUF_ITEMSIZE]; // push or pull or pushpull or disabled
253 char rootonoff_support[CAPBUF_ITEMSIZE]; // enabled or disabled
254 char zone_support[CAPBUF_ITEMSIZE]; // enabled or disabled
255 char multiuser_support[CAPBUF_ITEMSIZE]; // enabled or disabled
256 char syncwinsz_support[CAPBUF_ITEMSIZE]; // enabled or disabled
257 char usbproto_support[CAPBUF_ITEMSIZE]; // enabled or disabled
258 char sockproto_support[CAPBUF_ITEMSIZE]; // enabled or disabled
260 char log_enable[CAPBUF_ITEMSIZE]; // enabled or disabled
261 char log_path[CAPBUF_LL_ITEMSIZE]; // path of sdbd log
263 char cpu_arch[CAPBUF_ITEMSIZE]; // cpu architecture (ex. x86)
264 char profile_name[CAPBUF_ITEMSIZE]; // profile name (ex. mobile)
265 char vendor_name[CAPBUF_ITEMSIZE]; // vendor name (ex. Tizen)
266 char sdk_toolpath[CAPBUF_L_ITEMSIZE]; // sdk tool path
267 char can_launch[CAPBUF_L_ITEMSIZE]; // target name
269 char platform_version[CAPBUF_ITEMSIZE]; // platform version (ex. 2.3.0)
270 char product_version[CAPBUF_ITEMSIZE]; // product version (ex. 1.0)
271 char sdbd_version[CAPBUF_ITEMSIZE]; // sdbd version
272 char sdbd_plugin_version[CAPBUF_ITEMSIZE]; // sdbd plugin version
273 char sdbd_cap_version[CAPBUF_ITEMSIZE]; // capability version
275 extern pcap g_capabilities;
277 void print_packet(const char *label, apacket *p);
279 asocket *find_local_socket(unsigned id);
280 void install_local_socket(asocket *s);
281 void remove_socket(asocket *s);
282 void close_all_sockets(atransport *t);
284 #define LOCAL_CLIENT_PREFIX "emulator-"
286 asocket *create_local_socket(int fd);
287 asocket *create_local_service_socket(const char *destination);
289 asocket *create_remote_socket(unsigned id, atransport *t);
290 void connect_to_remote(asocket *s, const char *destination);
291 void connect_to_smartsocket(asocket *s);
293 void fatal(const char *fmt, ...);
294 void fatal_errno(const char *fmt, ...);
296 void handle_packet(apacket *p, atransport *t);
297 void send_packet(apacket *p, atransport *t);
299 void get_my_path(char *s, size_t maxLen);
300 int launch_server(int server_port);
301 int sdb_main(int is_daemon, int server_port);
304 /* transports are ref-counted
305 ** get_device_transport does an acquire on your behalf before returning
307 void init_transport_registration(void);
308 int list_transports(char *buf, size_t bufsize);
309 void update_transports(void);
310 void broadcast_transport(apacket *p);
311 int get_connected_count(transport_type type);
313 asocket* create_device_tracker(void);
315 /* Obtain a transport from the available transports.
316 ** If state is != CS_ANY, only transports in that state are considered.
317 ** If serial is non-NULL then only the device with that serial will be chosen.
318 ** If no suitable transport is found, error is set.
320 atransport *acquire_one_transport(int state, transport_type ttype, const char* serial, char **error_out);
321 void add_transport_disconnect( atransport* t, adisconnect* dis );
322 void remove_transport_disconnect( atransport* t, adisconnect* dis );
323 void run_transport_disconnects( atransport* t );
324 void kick_transport( atransport* t );
326 /* initialize a transport object's func pointers and state */
328 int get_available_local_transport_index();
330 int init_socket_transport(atransport *t, int s, int port, int local);
331 void init_usb_transport(atransport *t, usb_handle *usb, int state);
333 /* for MacOS X cleanup */
334 void close_usb_devices();
336 /* cause new transports to be init'd and added to the list */
337 void register_socket_transport(int s, const char *serial, int port, int local, const char *device_name);
339 /* these should only be used for the "sdb disconnect" command */
340 void unregister_transport(atransport *t);
341 void unregister_all_tcp_transports();
343 void register_usb_transport(usb_handle *h, const char *serial, unsigned writeable);
345 /* this should only be used for transports with connection_state == CS_NOPERM */
346 void unregister_usb_transport(usb_handle *usb);
348 atransport *find_transport(const char *serial);
350 atransport* find_emulator_transport_by_sdb_port(int sdb_port);
353 int service_to_fd(const char *name);
355 asocket *host_service_to_socket(const char* name, const char *serial);
360 asocket* create_jdwp_service_socket();
361 asocket* create_jdwp_tracker_service_socket();
362 int create_jdwp_connection_fd(int jdwp_pid);
370 int backup_service(BackupOperation operation, char* args);
371 void framebuffer_service(int fd, void *cookie);
372 void log_service(int fd, void *cookie);
373 void remount_service(int fd, void *cookie);
374 char * get_log_file_path(const char * log_name);
376 extern int rootshell_mode; // 0: sdk user, 1: root
377 extern int booting_done; // 0: platform booting is in progess 1: platform booting is done
379 // 1 if locked, 0 if unlocked
380 extern int is_pwlocked;
382 // This is the users and groups config for the platform
384 #define SID_ROOT 0 /* traditional unix root user */
386 #define SDK_USER_NAME tzplatform_getenv(TZ_SDK_USER_NAME)
387 #define SDK_TOOL_PATH tzplatform_getenv(TZ_SDK_TOOLS)
388 #define STATIC_SDK_USER_ID 5001
389 #define STATIC_SDK_GROUP_ID 100
390 #define STATIC_SDK_HOME_DIR "/home/owner"
391 extern uid_t g_sdk_user_id;
392 extern gid_t g_sdk_group_id;
393 extern char* g_sdk_home_dir;
394 extern char* g_sdk_home_dir_env;
397 int should_drop_privileges(void);
398 int set_sdk_user_privileges();
399 void set_root_privileges();
400 void send_device_status();
402 int get_emulator_forward_port(void);
403 int get_emulator_name(char str[], int str_size);
404 int get_device_name(char str[], int str_size);
405 int get_emulator_hostip(char str[], int str_size);
406 int get_emulator_guestip(char str[], int str_size);
408 /* packet allocator */
409 apacket *get_apacket(void);
410 void put_apacket(apacket *p);
412 int check_header(apacket *p);
413 int check_data(apacket *p);
416 #define print_packet(tag,p) do {} while (0)
419 #if SDB_HOST_ON_TARGET
420 /* sdb and sdbd are coexisting on the target, so use 26099 for sdb
421 * to avoid conflicting with sdbd's usage of 26098
423 # define DEFAULT_SDB_PORT 26099 /* tizen specific */
425 # define DEFAULT_SDB_PORT 26099 /* tizen specific */
428 # define QEMU_FORWARD_IP "10.0.2.2"
430 #define DEFAULT_SDB_LOCAL_TRANSPORT_PORT 26101 /* tizen specific */
431 #define DEFAULT_SENSORS_LOCAL_TRANSPORT_PORT 26103 /* tizen specific */
433 #define SDB_CLASS 0xff
434 #define SDB_SUBCLASS 0x20 //0x42 /* tizen specific */
435 #define SDB_PROTOCOL 0x02 //0x01 /* tizen specific */
438 void local_init(int port);
439 int local_connect(int port, const char *device_name);
440 int local_connect_arbitrary_ports(int console_port, int sdb_port, const char *device_name);
442 /* usb host/client interface */
446 int usb_write(usb_handle *h, const void *data, int len);
447 int usb_read(usb_handle *h, void *data, size_t len);
448 int usb_close(usb_handle *h);
449 void usb_kick(usb_handle *h);
452 extern void (*usb_init)();
453 extern void (*usb_cleanup)();
454 extern int (*usb_write)(usb_handle *h, const void *data, int len);
455 extern int (*usb_read)(usb_handle *h, void *data, size_t len);
456 extern int (*usb_close)(usb_handle *h);
457 extern void (*usb_kick)(usb_handle *h);
459 /* functionfs backend */
461 void ffs_usb_cleanup();
462 int ffs_usb_write(usb_handle *h, const void *data, int len);
463 int ffs_usb_read(usb_handle *h, void *data, size_t len);
464 int ffs_usb_close(usb_handle *h);
465 void ffs_usb_kick(usb_handle *h);
467 /* kernel sdb gadget backend */
468 void linux_usb_init();
469 void linux_usb_cleanup();
470 int linux_usb_write(usb_handle *h, const void *data, int len);
471 int linux_usb_read(usb_handle *h, void *data, size_t len);
472 int linux_usb_close(usb_handle *h);
473 void linux_usb_kick(usb_handle *h);
477 /* used for USB device detection */
479 int is_sdb_interface(int vid, int pid, int usb_class, int usb_subclass, int usb_protocol);
482 unsigned host_to_le32(unsigned n);
483 int sdb_commandline(int argc, char **argv);
485 int connection_state(atransport *t);
489 #define CS_BOOTLOADER 1
492 #define CS_RECOVERY 4
493 #define CS_NOPERM 5 /* Insufficient permissions to communicate with the device */
494 #define CS_SIDELOAD 6
498 extern int SHELL_EXIT_NOTIFY_FD;
500 extern SdbdCommandlineArgs sdbd_commandline_args;
503 #define CHUNK_SIZE (64*1024)
504 #define SDBD_SHELL_CMD_MAX 4096
506 int sendfailmsg(int fd, const char *reason);
507 int handle_host_request(char *service, transport_type ttype, char* serial, int reply_fd, asocket *s);
508 int copy_packet(apacket* dest, apacket* src);
510 int is_emulator(void);
511 #define DEFAULT_DEVICENAME "unknown"
513 #if SDB_HOST /* tizen-specific */
514 #define DEVICEMAP_SEPARATOR ":"
515 #define DEVICENAME_MAX 256
516 #define VMS_PATH OS_PATH_SEPARATOR_STR "vms" OS_PATH_SEPARATOR_STR // should include sysdeps.h above
518 void register_device_name(const char *device_type, const char *device_name, int port);
519 int get_devicename_from_shdmem(int port, char *device_name);
520 int read_line(const int fd, char* ptr, const size_t maxlen);
524 #define USB_FUNCFS_SDB_PATH "/dev/usbgadget/sdb"
525 #define USB_NODE_FILE "/dev/samsung_sdb"