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1 | //----------------------------------------------------------------------------- | |
2 | // Copyright (C) 2009 Michael Gernoth <michael at gernoth.net> | |
3 | // Copyright (C) 2010 iZsh <izsh at fail0verflow.com> | |
4 | // | |
5 | // This code is licensed to you under the terms of the GNU GPL, version 2 or, | |
6 | // at your option, any later version. See the LICENSE.txt file for the text of | |
7 | // the license. | |
8 | //----------------------------------------------------------------------------- | |
9 | // Main binary | |
10 | //----------------------------------------------------------------------------- | |
11 | ||
12 | #include <stdio.h> | |
13 | #include <stdlib.h> | |
14 | #include <string.h> | |
15 | #include <pthread.h> | |
16 | #include <unistd.h> | |
17 | #include <readline/readline.h> | |
18 | #include <readline/history.h> | |
19 | ||
20 | #include "proxmark3.h" | |
21 | #include "util_posix.h" | |
22 | #include "proxgui.h" | |
23 | #include "cmdmain.h" | |
24 | #include "uart.h" | |
25 | #include "ui.h" | |
26 | #include "util.h" | |
27 | #include "cmdparser.h" | |
28 | #include "cmdhw.h" | |
29 | #include "whereami.h" | |
30 | ||
31 | #ifdef _WIN32 | |
32 | #define SERIAL_PORT_H "com3" | |
33 | #else | |
34 | #define SERIAL_PORT_H "/dev/ttyACM0" | |
35 | #endif | |
36 | ||
37 | // a global mutex to prevent interlaced printing from different threads | |
38 | pthread_mutex_t print_lock; | |
39 | ||
40 | static serial_port sp; | |
41 | static UsbCommand txcmd; | |
42 | volatile static bool txcmd_pending = false; | |
43 | ||
44 | void SendCommand(UsbCommand *c) { | |
45 | #if 0 | |
46 | printf("Sending %d bytes\n", sizeof(UsbCommand)); | |
47 | #endif | |
48 | ||
49 | if (offline) { | |
50 | PrintAndLog("Sending bytes to proxmark failed - offline"); | |
51 | return; | |
52 | } | |
53 | /** | |
54 | The while-loop below causes hangups at times, when the pm3 unit is unresponsive | |
55 | or disconnected. The main console thread is alive, but comm thread just spins here. | |
56 | Not good.../holiman | |
57 | **/ | |
58 | while(txcmd_pending); | |
59 | txcmd = *c; | |
60 | txcmd_pending = true; | |
61 | } | |
62 | ||
63 | struct receiver_arg { | |
64 | int run; | |
65 | }; | |
66 | ||
67 | byte_t rx[sizeof(UsbCommand)]; | |
68 | byte_t* prx = rx; | |
69 | ||
70 | static void *uart_receiver(void *targ) { | |
71 | struct receiver_arg *arg = (struct receiver_arg*)targ; | |
72 | size_t rxlen; | |
73 | ||
74 | while (arg->run) { | |
75 | rxlen = 0; | |
76 | if (uart_receive(sp, prx, sizeof(UsbCommand) - (prx-rx), &rxlen)) { | |
77 | prx += rxlen; | |
78 | if (prx-rx < sizeof(UsbCommand)) { | |
79 | continue; | |
80 | } | |
81 | ||
82 | UsbCommandReceived((UsbCommand*)rx); | |
83 | } | |
84 | prx = rx; | |
85 | ||
86 | if(txcmd_pending) { | |
87 | if (!uart_send(sp, (byte_t*) &txcmd, sizeof(UsbCommand))) { | |
88 | PrintAndLog("Sending bytes to proxmark failed"); | |
89 | } | |
90 | txcmd_pending = false; | |
91 | } | |
92 | } | |
93 | ||
94 | pthread_exit(NULL); | |
95 | return NULL; | |
96 | } | |
97 | ||
98 | ||
99 | void main_loop(char *script_cmds_file, char *script_cmd, bool usb_present) { | |
100 | struct receiver_arg rarg; | |
101 | char *cmd = NULL; | |
102 | pthread_t reader_thread; | |
103 | bool execCommand = (script_cmd != NULL); | |
104 | bool stdinOnPipe = !isatty(STDIN_FILENO); | |
105 | ||
106 | if (usb_present) { | |
107 | rarg.run = 1; | |
108 | pthread_create(&reader_thread, NULL, &uart_receiver, &rarg); | |
109 | // cache Version information now: | |
110 | CmdVersion(NULL); | |
111 | } | |
112 | ||
113 | // file with script | |
114 | FILE *script_file = NULL; | |
115 | char script_cmd_buf[256] = {0}; // iceman, needs lua script the same file_path_buffer as the rest | |
116 | ||
117 | if (script_cmds_file) { | |
118 | script_file = fopen(script_cmds_file, "r"); | |
119 | if (script_file) { | |
120 | printf("executing commands from file: %s\n", script_cmds_file); | |
121 | } | |
122 | } | |
123 | ||
124 | read_history(".history"); | |
125 | ||
126 | while(1) { | |
127 | // If there is a script file | |
128 | if (script_file) | |
129 | { | |
130 | memset(script_cmd_buf, 0, sizeof(script_cmd_buf)); | |
131 | if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), script_file)) { | |
132 | fclose(script_file); | |
133 | script_file = NULL; | |
134 | } else { | |
135 | strcleanrn(script_cmd_buf, sizeof(script_cmd_buf)); | |
136 | ||
137 | if ((cmd = strmcopy(script_cmd_buf)) != NULL) { | |
138 | printf(PROXPROMPT"%s\n", cmd); | |
139 | } | |
140 | } | |
141 | } else { | |
142 | // If there is a script command | |
143 | if (execCommand){ | |
144 | if ((cmd = strmcopy(script_cmd)) != NULL) { | |
145 | printf(PROXPROMPT"%s\n", cmd); | |
146 | } | |
147 | ||
148 | execCommand = false; | |
149 | } else { | |
150 | // exit after exec command | |
151 | if (script_cmd) | |
152 | break; | |
153 | ||
154 | // if there is a pipe from stdin | |
155 | if (stdinOnPipe) { | |
156 | memset(script_cmd_buf, 0, sizeof(script_cmd_buf)); | |
157 | if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), stdin)) { | |
158 | printf("\nStdin end. Exit...\n"); | |
159 | break; | |
160 | } | |
161 | strcleanrn(script_cmd_buf, sizeof(script_cmd_buf)); | |
162 | ||
163 | if ((cmd = strmcopy(script_cmd_buf)) != NULL) { | |
164 | printf(PROXPROMPT"%s\n", cmd); | |
165 | } | |
166 | ||
167 | } else { | |
168 | // read command from command prompt | |
169 | cmd = readline(PROXPROMPT); | |
170 | } | |
171 | } | |
172 | } | |
173 | ||
174 | // execute command | |
175 | if (cmd) { | |
176 | ||
177 | while(cmd[strlen(cmd) - 1] == ' ') | |
178 | cmd[strlen(cmd) - 1] = 0x00; | |
179 | ||
180 | if (cmd[0] != 0x00) { | |
181 | int ret = CommandReceived(cmd); | |
182 | add_history(cmd); | |
183 | if (ret == 99) { // exit or quit | |
184 | break; | |
185 | } | |
186 | } | |
187 | free(cmd); | |
188 | cmd = NULL; | |
189 | } else { | |
190 | printf("\n"); | |
191 | break; | |
192 | } | |
193 | } | |
194 | ||
195 | write_history(".history"); | |
196 | ||
197 | if (usb_present) { | |
198 | rarg.run = 0; | |
199 | pthread_join(reader_thread, NULL); | |
200 | } | |
201 | ||
202 | if (script_file) { | |
203 | fclose(script_file); | |
204 | script_file = NULL; | |
205 | } | |
206 | } | |
207 | ||
208 | static void dumpAllHelp(int markdown) | |
209 | { | |
210 | printf("\n%sProxmark3 command dump%s\n\n",markdown?"# ":"",markdown?"":"\n======================"); | |
211 | printf("Some commands are available only if a Proxmark is actually connected.%s\n",markdown?" ":""); | |
212 | printf("Check column \"offline\" for their availability.\n"); | |
213 | printf("\n"); | |
214 | command_t *cmds = getTopLevelCommandTable(); | |
215 | dumpCommandsRecursive(cmds, markdown); | |
216 | } | |
217 | ||
218 | static char *my_executable_path = NULL; | |
219 | static char *my_executable_directory = NULL; | |
220 | ||
221 | const char *get_my_executable_path(void) | |
222 | { | |
223 | return my_executable_path; | |
224 | } | |
225 | ||
226 | const char *get_my_executable_directory(void) | |
227 | { | |
228 | return my_executable_directory; | |
229 | } | |
230 | ||
231 | static void set_my_executable_path(void) | |
232 | { | |
233 | int path_length = wai_getExecutablePath(NULL, 0, NULL); | |
234 | if (path_length != -1) { | |
235 | my_executable_path = (char*)malloc(path_length + 1); | |
236 | int dirname_length = 0; | |
237 | if (wai_getExecutablePath(my_executable_path, path_length, &dirname_length) != -1) { | |
238 | my_executable_path[path_length] = '\0'; | |
239 | my_executable_directory = (char *)malloc(dirname_length + 2); | |
240 | strncpy(my_executable_directory, my_executable_path, dirname_length+1); | |
241 | my_executable_directory[dirname_length+1] = '\0'; | |
242 | } | |
243 | } | |
244 | } | |
245 | ||
246 | static void show_help(bool showFullHelp, char *command_line){ | |
247 | printf("syntax: %s <port> [-h|-help|-m|-f|-flush|-w|-wait|-c|-command|-l|-lua] [cmd_script_file_name] [command][lua_script_name]\n", command_line); | |
248 | printf("\tLinux example:'%s /dev/ttyACM0'\n", command_line); | |
249 | printf("\tWindows example:'%s com3'\n\n", command_line); | |
250 | ||
251 | if (showFullHelp){ | |
252 | printf("help: <-h|-help> Dump all interactive command's help at once.\n"); | |
253 | printf("\t%s -h\n\n", command_line); | |
254 | printf("markdown: <-m> Dump all interactive help at once in markdown syntax\n"); | |
255 | printf("\t%s -m\n\n", command_line); | |
256 | printf("flush: <-f|-flush> Output will be flushed after every print.\n"); | |
257 | printf("\t%s -f\n\n", command_line); | |
258 | printf("wait: <-w|-wait> 20sec waiting the serial port to appear in the OS\n"); | |
259 | printf("\t%s "SERIAL_PORT_H" -w\n\n", command_line); | |
260 | printf("script: A script file with one proxmark3 command per line.\n\n"); | |
261 | printf("command: <-c|-command> Execute one proxmark3 command.\n"); | |
262 | printf("\t%s "SERIAL_PORT_H" -c \"hf mf chk 1* ?\"\n", command_line); | |
263 | printf("\t%s "SERIAL_PORT_H" -command \"hf mf nested 1 *\"\n\n", command_line); | |
264 | printf("lua: <-l|-lua> Execute lua script.\n"); | |
265 | printf("\t%s "SERIAL_PORT_H" -l hf_read\n\n", command_line); | |
266 | } | |
267 | } | |
268 | ||
269 | int main(int argc, char* argv[]) { | |
270 | srand(time(0)); | |
271 | ||
272 | bool usb_present = false; | |
273 | bool waitCOMPort = false; | |
274 | bool executeCommand = false; | |
275 | bool addLuaExec = false; | |
276 | char *script_cmds_file = NULL; | |
277 | char *script_cmd = NULL; | |
278 | ||
279 | if (argc < 2) { | |
280 | show_help(true, argv[0]); | |
281 | return 1; | |
282 | } | |
283 | ||
284 | for (int i = 1; i < argc; i++) { | |
285 | if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i],"-help") == 0) { | |
286 | show_help(false, argv[0]); | |
287 | dumpAllHelp(0); | |
288 | return 0; | |
289 | } | |
290 | ||
291 | if (strcmp(argv[i], "-m") == 0) { | |
292 | dumpAllHelp(1); | |
293 | return 0; | |
294 | } | |
295 | ||
296 | if(strcmp(argv[i],"-f") == 0 || strcmp(argv[i],"-flush") == 0){ | |
297 | printf("Output will be flushed after every print.\n"); | |
298 | flushAfterWrite = 1; | |
299 | } | |
300 | ||
301 | if(strcmp(argv[i],"-w") == 0 || strcmp(argv[i],"-wait") == 0){ | |
302 | waitCOMPort = true; | |
303 | } | |
304 | ||
305 | if(strcmp(argv[i],"-c") == 0 || strcmp(argv[i],"-command") == 0){ | |
306 | executeCommand = true; | |
307 | } | |
308 | ||
309 | if(strcmp(argv[i],"-l") == 0 || strcmp(argv[i],"-lua") == 0){ | |
310 | executeCommand = true; | |
311 | addLuaExec = true; | |
312 | } | |
313 | } | |
314 | ||
315 | // If the user passed the filename of the 'script' to execute, get it from last parameter | |
316 | if (argc > 2 && argv[argc - 1] && argv[argc - 1][0] != '-') { | |
317 | if (executeCommand){ | |
318 | script_cmd = argv[argc - 1]; | |
319 | ||
320 | while(script_cmd[strlen(script_cmd) - 1] == ' ') | |
321 | script_cmd[strlen(script_cmd) - 1] = 0x00; | |
322 | ||
323 | if (strlen(script_cmd) == 0) { | |
324 | script_cmd = NULL; | |
325 | } else { | |
326 | if (addLuaExec){ | |
327 | // add "script run " to command | |
328 | char *ctmp = NULL; | |
329 | int len = strlen(script_cmd) + 11 + 1; | |
330 | if ((ctmp = (char*) malloc(len)) != NULL) { | |
331 | memset(ctmp, 0, len); | |
332 | strcpy(ctmp, "script run "); | |
333 | strcpy(&ctmp[11], script_cmd); | |
334 | script_cmd = ctmp; | |
335 | } | |
336 | } | |
337 | ||
338 | printf("Execute command from commandline: %s\n", script_cmd); | |
339 | } | |
340 | } else { | |
341 | script_cmds_file = argv[argc - 1]; | |
342 | } | |
343 | } | |
344 | ||
345 | // check command | |
346 | if (executeCommand && (!script_cmd || strlen(script_cmd) == 0)){ | |
347 | printf("ERROR: execute command: command not found.\n"); | |
348 | return 2; | |
349 | } | |
350 | ||
351 | // set global variables | |
352 | set_my_executable_path(); | |
353 | ||
354 | // open uart | |
355 | if (!waitCOMPort) { | |
356 | sp = uart_open(argv[1]); | |
357 | } else { | |
358 | printf("Waiting for Proxmark to appear on %s ", argv[1]); | |
359 | int openCount = 0; | |
360 | do { | |
361 | sp = uart_open(argv[1]); | |
362 | msleep(1000); | |
363 | printf("."); | |
364 | } while(++openCount < 20 && (sp == INVALID_SERIAL_PORT || sp == CLAIMED_SERIAL_PORT)); | |
365 | printf("\n"); | |
366 | } | |
367 | ||
368 | // check result of uart opening | |
369 | if (sp == INVALID_SERIAL_PORT) { | |
370 | printf("ERROR: invalid serial port\n"); | |
371 | usb_present = false; | |
372 | offline = 1; | |
373 | } else if (sp == CLAIMED_SERIAL_PORT) { | |
374 | printf("ERROR: serial port is claimed by another process\n"); | |
375 | usb_present = false; | |
376 | offline = 1; | |
377 | } else { | |
378 | usb_present = true; | |
379 | offline = 0; | |
380 | } | |
381 | ||
382 | // create a mutex to avoid interlacing print commands from our different threads | |
383 | pthread_mutex_init(&print_lock, NULL); | |
384 | ||
385 | #ifdef HAVE_GUI | |
386 | #ifdef _WIN32 | |
387 | InitGraphics(argc, argv, script_cmds_file, script_cmd, usb_present); | |
388 | MainGraphics(); | |
389 | #else | |
390 | char* display = getenv("DISPLAY"); | |
391 | ||
392 | if (display && strlen(display) > 1) | |
393 | { | |
394 | InitGraphics(argc, argv, script_cmds_file, script_cmd, usb_present); | |
395 | MainGraphics(); | |
396 | } | |
397 | else | |
398 | { | |
399 | main_loop(script_cmds_file, script_cmd, usb_present); | |
400 | } | |
401 | #endif | |
402 | #else | |
403 | main_loop(script_cmds_file, script_cmd, usb_present); | |
404 | #endif | |
405 | ||
406 | // Clean up the port | |
407 | if (usb_present) { | |
408 | uart_close(sp); | |
409 | } | |
410 | ||
411 | // clean up mutex | |
412 | pthread_mutex_destroy(&print_lock); | |
413 | ||
414 | exit(0); | |
415 | } |