cvs.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)) {
  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 }