git.zerfleddert.de Git - proxmark3-svn/blob - client/proxmark3.c

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