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
  71 static void
  72 #ifdef __has_attribute
  73 #if __has_attribute(force_align_arg_pointer)
  74 __attribute__((force_align_arg_pointer))
  75 #endif
  76 #endif
  77 *uart_receiver(void *targ) {
  78         struct receiver_arg *arg = (struct receiver_arg*)targ;
  79         size_t rxlen;
  80
  81         while (arg->run) {
  82                 rxlen = 0;
  83                 if (uart_receive(sp, prx, sizeof(UsbCommand) - (prx-rx), &rxlen) && rxlen) {
  84                         prx += rxlen;
  85                         if (prx-rx < sizeof(UsbCommand)) {
  86                                 continue;
  87                         }
  88                         UsbCommandReceived((UsbCommand*)rx);
  89                 }
  90                 prx = rx;
  91
  92                 if(txcmd_pending) {
  93                         if (!uart_send(sp, (byte_t*) &txcmd, sizeof(UsbCommand))) {
  94                                 PrintAndLog("Sending bytes to proxmark failed");
  95                         }
  96                         txcmd_pending = false;
  97                 }
  98         }
  99
 100         pthread_exit(NULL);
 101         return NULL;
 102 }
 103
 104
 105 void
 106 #ifdef __has_attribute
 107 #if __has_attribute(force_align_arg_pointer)
 108 __attribute__((force_align_arg_pointer))
 109 #endif
 110 #endif
 111 main_loop(char *script_cmds_file, char *script_cmd, bool usb_present) {
 112         struct receiver_arg rarg;
 113         char *cmd = NULL;
 114         pthread_t reader_thread;
 115         bool execCommand = (script_cmd != NULL);
 116         bool stdinOnPipe = !isatty(STDIN_FILENO);
 117
 118         if (usb_present) {
 119                 rarg.run = 1;
 120                 pthread_create(&reader_thread, NULL, &uart_receiver, &rarg);
 121                 // cache Version information now:
 122                 CmdVersion(NULL);
 123         }
 124
 125         // file with script
 126         FILE *script_file = NULL;
 127         char script_cmd_buf[256] = {0};  // iceman, needs lua script the same file_path_buffer as the rest
 128
 129         if (script_cmds_file) {
 130                 script_file = fopen(script_cmds_file, "r");
 131                 if (script_file) {
 132                         printf("executing commands from file: %s\n", script_cmds_file);
 133                 }
 134         }
 135
 136         read_history(".history");
 137
 138         while(1)  {
 139                 // If there is a script file
 140                 if (script_file)
 141                 {
 142                         memset(script_cmd_buf, 0, sizeof(script_cmd_buf));
 143                         if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), script_file)) {
 144                                 fclose(script_file);
 145                                 script_file = NULL;
 146                         } else {
 147                                 strcleanrn(script_cmd_buf, sizeof(script_cmd_buf));
 148
 149                                 if ((cmd = strmcopy(script_cmd_buf)) != NULL) {
 150                                         printf(PROXPROMPT"%s\n", cmd);
 151                                 }
 152                         }
 153                 } else {
 154                         // If there is a script command
 155                         if (execCommand){
 156                                 if ((cmd = strmcopy(script_cmd)) != NULL) {
 157                                         printf(PROXPROMPT"%s\n", cmd);
 158                                 }
 159
 160                                 execCommand = false;
 161                         } else {
 162                                 // exit after exec command
 163                                 if (script_cmd)
 164                                         break;
 165
 166                                 // if there is a pipe from stdin
 167                                 if (stdinOnPipe) {
 168                                         memset(script_cmd_buf, 0, sizeof(script_cmd_buf));
 169                                         if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), stdin)) {
 170                                                 printf("\nStdin end. Exit...\n");
 171                                                 break;
 172                                         }
 173                                         strcleanrn(script_cmd_buf, sizeof(script_cmd_buf));
 174
 175                                         if ((cmd = strmcopy(script_cmd_buf)) != NULL) {
 176                                                 printf(PROXPROMPT"%s\n", cmd);
 177                                         }
 178
 179                                 } else {
 180                                         // read command from command prompt
 181                                         cmd = readline(PROXPROMPT);
 182                                 }
 183                         }
 184                 }
 185
 186                 // execute command
 187                 if (cmd) {
 188
 189                         while(cmd[strlen(cmd) - 1] == ' ')
 190                                 cmd[strlen(cmd) - 1] = 0x00;
 191
 192                         if (cmd[0] != 0x00) {
 193                                 int ret = CommandReceived(cmd);
 194                                 add_history(cmd);
 195                                 if (ret == 99) {  // exit or quit
 196                                         break;
 197                                 }
 198                         }
 199                         free(cmd);
 200                         cmd = NULL;
 201                 } else {
 202                         printf("\n");
 203                         break;
 204                 }
 205         }
 206
 207         write_history(".history");
 208
 209         if (usb_present) {
 210                 rarg.run = 0;
 211                 pthread_join(reader_thread, NULL);
 212         }
 213
 214         if (script_file) {
 215                 fclose(script_file);
 216                 script_file = NULL;
 217         }
 218 }
 219
 220 static void dumpAllHelp(int markdown)
 221 {
 222   printf("\n%sProxmark3 command dump%s\n\n",markdown?"# ":"",markdown?"":"\n======================");
 223   printf("Some commands are available only if a Proxmark is actually connected.%s\n",markdown?"  ":"");
 224   printf("Check column \"offline\" for their availability.\n");
 225   printf("\n");
 226   command_t *cmds = getTopLevelCommandTable();
 227   dumpCommandsRecursive(cmds, markdown);
 228 }
 229
 230 static char *my_executable_path = NULL;
 231 static char *my_executable_directory = NULL;
 232
 233 const char *get_my_executable_path(void)
 234 {
 235         return my_executable_path;
 236 }
 237
 238 const char *get_my_executable_directory(void)
 239 {
 240         return my_executable_directory;
 241 }
 242
 243 static void set_my_executable_path(void)
 244 {
 245         int path_length = wai_getExecutablePath(NULL, 0, NULL);
 246         if (path_length != -1) {
 247                 my_executable_path = (char*)malloc(path_length + 1);
 248                 int dirname_length = 0;
 249                 if (wai_getExecutablePath(my_executable_path, path_length, &dirname_length) != -1) {
 250                         my_executable_path[path_length] = '\0';
 251                         my_executable_directory = (char *)malloc(dirname_length + 2);
 252                         strncpy(my_executable_directory, my_executable_path, dirname_length+1);
 253                         my_executable_directory[dirname_length+1] = '\0';
 254                 }
 255         }
 256 }
 257
 258 static void show_help(bool showFullHelp, char *command_line){
 259         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);
 260         printf("\tLinux example:'%s /dev/ttyACM0'\n", command_line);
 261         printf("\tWindows example:'%s com3'\n\n", command_line);
 262
 263         if (showFullHelp){
 264                 printf("help: <-h|-help> Dump all interactive command's help at once.\n");
 265                 printf("\t%s  -h\n\n", command_line);
 266                 printf("markdown: <-m> Dump all interactive help at once in markdown syntax\n");
 267                 printf("\t%s -m\n\n", command_line);
 268                 printf("flush: <-f|-flush> Output will be flushed after every print.\n");
 269                 printf("\t%s -f\n\n", command_line);
 270                 printf("wait: <-w|-wait> 20sec waiting the serial port to appear in the OS\n");
 271                 printf("\t%s "SERIAL_PORT_H" -w\n\n", command_line);
 272                 printf("script: A script file with one proxmark3 command per line.\n\n");
 273                 printf("command: <-c|-command> Execute one proxmark3 command.\n");
 274                 printf("\t%s "SERIAL_PORT_H" -c \"hf mf chk 1* ?\"\n", command_line);
 275                 printf("\t%s "SERIAL_PORT_H" -command \"hf mf nested 1 *\"\n\n", command_line);
 276                 printf("lua: <-l|-lua> Execute lua script.\n");
 277                 printf("\t%s "SERIAL_PORT_H" -l hf_read\n\n", command_line);
 278         }
 279 }
 280
 281 int main(int argc, char* argv[]) {
 282         srand(time(0));
 283
 284         bool usb_present = false;
 285         bool waitCOMPort = false;
 286         bool executeCommand = false;
 287         bool addLuaExec = false;
 288         char *script_cmds_file = NULL;
 289         char *script_cmd = NULL;
 290
 291         if (argc < 2) {
 292                 show_help(true, argv[0]);
 293                 return 1;
 294         }
 295
 296         for (int i = 1; i < argc; i++) {
 297                 if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i],"-help") == 0) {
 298                         show_help(false, argv[0]);
 299                         dumpAllHelp(0);
 300                         return 0;
 301                 }
 302
 303                 if (strcmp(argv[i], "-m") == 0) {
 304                         dumpAllHelp(1);
 305                         return 0;
 306                 }
 307
 308                 if(strcmp(argv[i],"-f") == 0 || strcmp(argv[i],"-flush") == 0){
 309                         printf("Output will be flushed after every print.\n");
 310                         flushAfterWrite = 1;
 311                 }
 312
 313                 if(strcmp(argv[i],"-w") == 0 || strcmp(argv[i],"-wait") == 0){
 314                         waitCOMPort = true;
 315                 }
 316
 317                 if(strcmp(argv[i],"-c") == 0 || strcmp(argv[i],"-command") == 0){
 318                         executeCommand = true;
 319                 }
 320
 321                 if(strcmp(argv[i],"-l") == 0 || strcmp(argv[i],"-lua") == 0){
 322                         executeCommand = true;
 323                         addLuaExec = true;
 324                 }
 325         }
 326
 327         // If the user passed the filename of the 'script' to execute, get it from last parameter
 328         if (argc > 2 && argv[argc - 1] && argv[argc - 1][0] != '-') {
 329                 if (executeCommand){
 330                         script_cmd = argv[argc - 1];
 331
 332                         while(script_cmd[strlen(script_cmd) - 1] == ' ')
 333                                 script_cmd[strlen(script_cmd) - 1] = 0x00;
 334
 335                         if (strlen(script_cmd) == 0) {
 336                                 script_cmd = NULL;
 337                         } else {
 338                                 if (addLuaExec){
 339                                         // add "script run " to command
 340                                         char *ctmp = NULL;
 341                                         int len = strlen(script_cmd) + 11 + 1;
 342                                         if ((ctmp = (char*) malloc(len)) != NULL) {
 343                                                 memset(ctmp, 0, len);
 344                                                 strcpy(ctmp, "script run ");
 345                                                 strcpy(&ctmp[11], script_cmd);
 346                                                 script_cmd = ctmp;
 347                                         }
 348                                 }
 349
 350                                 printf("Execute command from commandline: %s\n", script_cmd);
 351                         }
 352                 } else {
 353                         script_cmds_file = argv[argc - 1];
 354                 }
 355         }
 356
 357         // check command
 358         if (executeCommand && (!script_cmd || strlen(script_cmd) == 0)){
 359                 printf("ERROR: execute command: command not found.\n");
 360                 return 2;
 361         }
 362
 363         // set global variables
 364         set_my_executable_path();
 365
 366         // open uart
 367         if (!waitCOMPort) {
 368                 sp = uart_open(argv[1]);
 369         } else {
 370                 printf("Waiting for Proxmark to appear on %s ", argv[1]);
 371                 fflush(stdout);
 372                 int openCount = 0;
 373                 do {
 374                         sp = uart_open(argv[1]);
 375                         msleep(1000);
 376                         printf(".");
 377                         fflush(stdout);
 378                 } while(++openCount < 20 && (sp == INVALID_SERIAL_PORT || sp == CLAIMED_SERIAL_PORT));
 379                 printf("\n");
 380         }
 381
 382         // check result of uart opening
 383         if (sp == INVALID_SERIAL_PORT) {
 384                 printf("ERROR: invalid serial port\n");
 385                 usb_present = false;
 386                 offline = 1;
 387         } else if (sp == CLAIMED_SERIAL_PORT) {
 388                 printf("ERROR: serial port is claimed by another process\n");
 389                 usb_present = false;
 390                 offline = 1;
 391         } else {
 392                 usb_present = true;
 393                 offline = 0;
 394         }
 395
 396         // create a mutex to avoid interlacing print commands from our different threads
 397         pthread_mutex_init(&print_lock, NULL);
 398
 399 #ifdef HAVE_GUI
 400 #ifdef _WIN32
 401         InitGraphics(argc, argv, script_cmds_file, script_cmd, usb_present);
 402         MainGraphics();
 403 #else
 404         char* display = getenv("DISPLAY");
 405
 406         if (display && strlen(display) > 1)
 407         {
 408                 InitGraphics(argc, argv, script_cmds_file, script_cmd, usb_present);
 409                 MainGraphics();
 410         }
 411         else
 412         {
 413                 main_loop(script_cmds_file, script_cmd, usb_present);
 414         }
 415 #endif
 416 #else
 417         main_loop(script_cmds_file, script_cmd, usb_present);
 418 #endif
 419
 420         // Clean up the port
 421         if (usb_present) {
 422                 uart_close(sp);
 423         }
 424
 425         // clean up mutex
 426         pthread_mutex_destroy(&print_lock);
 427
 428         exit(0);
 429 }