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 "proxgui.h"
  22 #include "cmdmain.h"
  23 #include "uart.h"
  24 #include "ui.h"
  25 #include "sleep.h"
  26 #include "cmdparser.h"
  27 #include "cmdmain.h"
  28
  29 // a global mutex to prevent interlaced printing from different threads
  30 pthread_mutex_t print_lock;
  31
  32 static serial_port sp;
  33 static UsbCommand txcmd;
  34 volatile static bool txcmd_pending = false;
  35
  36 void SendCommand(UsbCommand *c) {
  37 #if 0
  38   printf("Sending %d bytes\n", sizeof(UsbCommand));
  39 #endif
  40 /*
  41   if (txcmd_pending) {
  42     ERR("Sending command failed, previous command is still pending");
  43   }
  44 */
  45   if(offline)
  46     {
  47       PrintAndLog("Sending bytes to proxmark failed - offline");
  48       return;
  49     }
  50         /**
  51         The while-loop below causes hangups at times, when the pm3 unit is unresponsive
  52         or disconnected. The main console thread is alive, but comm thread just spins here.
  53         Not good.../holiman
  54         **/
  55   while(txcmd_pending);
  56   txcmd = *c;
  57   txcmd_pending = true;
  58 }
  59
  60 struct receiver_arg {
  61   int run;
  62 };
  63
  64 struct main_loop_arg {
  65   int usb_present;
  66   char *script_cmds_file;
  67 };
  68
  69 byte_t rx[0x1000000];
  70 byte_t* prx = rx;
  71
  72 static void *uart_receiver(void *targ) {
  73   struct receiver_arg *arg = (struct receiver_arg*)targ;
  74   size_t rxlen;
  75   size_t cmd_count;
  76
  77   while (arg->run) {
  78     rxlen = sizeof(UsbCommand);
  79     if (uart_receive(sp,prx,&rxlen)) {
  80       prx += rxlen;
  81       if (((prx-rx) % sizeof(UsbCommand)) != 0) {
  82         continue;
  83       }
  84       cmd_count = (prx-rx) / sizeof(UsbCommand);
  85       //      printf("received %d bytes, which represents %d commands\n",(prx-rx), cmd_count);
  86       for (size_t i=0; i<cmd_count; i++) {
  87         UsbCommandReceived((UsbCommand*)(rx+(i*sizeof(UsbCommand))));
  88       }
  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 static void *main_loop(void *targ) {
 105   struct main_loop_arg *arg = (struct main_loop_arg*)targ;
 106   struct receiver_arg rarg;
 107   char *cmd = NULL;
 108   pthread_t reader_thread;
 109
 110   if (arg->usb_present == 1) {
 111     rarg.run=1;
 112     // pthread_create(&reader_thread, NULL, &usb_receiver, &rarg);
 113     pthread_create(&reader_thread, NULL, &uart_receiver, &rarg);
 114   }
 115
 116   FILE *script_file = NULL;
 117   char script_cmd_buf[256];  // iceman, needs lua script the same file_path_buffer as the rest
 118
 119   if (arg->script_cmds_file)
 120   {
 121     script_file = fopen(arg->script_cmds_file, "r");
 122     if (script_file)
 123     {
 124       printf("using 'scripting' commands file %s\n", arg->script_cmds_file);
 125     }
 126   }
 127
 128         read_history(".history");
 129         while(1)
 130   {
 131     // If there is a script file
 132     if (script_file)
 133     {
 134       if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), script_file))
 135       {
 136         fclose(script_file);
 137         script_file = NULL;
 138       }
 139       else
 140       {
 141         char *nl;
 142         nl = strrchr(script_cmd_buf, '\r');
 143         if (nl) *nl = '\0';
 144         nl = strrchr(script_cmd_buf, '\n');
 145         if (nl) *nl = '\0';
 146
 147         if ((cmd = (char*) malloc(strlen(script_cmd_buf) + 1)) != NULL)
 148         {
 149           memset(cmd, 0, strlen(script_cmd_buf));
 150           strcpy(cmd, script_cmd_buf);
 151           printf("%s\n", cmd);
 152         }
 153       }
 154     }
 155
 156                 if (!script_file)
 157                 {
 158       cmd = readline(PROXPROMPT);
 159                 }
 160
 161                 if (cmd) {
 162                         while(cmd[strlen(cmd) - 1] == ' ')
 163         cmd[strlen(cmd) - 1] = 0x00;
 164
 165                         if (cmd[0] != 0x00) {
 166                                 if (strncmp(cmd, "quit", 4) == 0) {
 167                                         exit(0);
 168                                         break;
 169                                 }
 170
 171                                 CommandReceived(cmd);
 172                                 add_history(cmd);
 173                         }
 174                         free(cmd);
 175                 } else {
 176                         printf("\n");
 177                         break;
 178                 }
 179         }
 180
 181         write_history(".history");
 182
 183   if (arg->usb_present == 1) {
 184     rarg.run = 0;
 185     pthread_join(reader_thread, NULL);
 186   }
 187
 188   if (script_file)
 189   {
 190     fclose(script_file);
 191     script_file = NULL;
 192   }
 193
 194   ExitGraphics();
 195   pthread_exit(NULL);
 196   return NULL;
 197 }
 198
 199 static void dumpAllHelp(int markdown)
 200 {
 201   printf("\n%sProxmark3 command dump%s\n\n",markdown?"# ":"",markdown?"":"\n======================");
 202   printf("Some commands are available only if a Proxmark is actually connected.%s\n",markdown?"  ":"");
 203   printf("Check column \"offline\" for their availability.\n");
 204   printf("\n");
 205   command_t *cmds = getTopLevelCommandTable();
 206   dumpCommandsRecursive(cmds, markdown);
 207 }
 208
 209 int main(int argc, char* argv[]) {
 210         srand(time(0));
 211
 212         if (argc < 2) {
 213                 printf("syntax: %s <port>\n\n",argv[0]);
 214                 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
 215                 printf("help:   %s -h\n\n", argv[0]);
 216                 printf("\tDump all interactive help at once\n");
 217                 printf("markdown:   %s -m\n\n", argv[0]);
 218                 printf("\tDump all interactive help at once in markdown syntax\n");
 219                 return 1;
 220         }
 221         if (strcmp(argv[1], "-h") == 0) {
 222                 printf("syntax: %s <port>\n\n",argv[0]);
 223                 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
 224                 dumpAllHelp(0);
 225                 return 0;
 226         }
 227         if (strcmp(argv[1], "-m") == 0) {
 228                 dumpAllHelp(1);
 229                 return 0;
 230         }
 231         // Make sure to initialize
 232         struct main_loop_arg marg = {
 233                 .usb_present = 0,
 234                 .script_cmds_file = NULL
 235         };
 236         pthread_t main_loop_t;
 237
 238
 239         sp = uart_open(argv[1]);
 240         if (sp == INVALID_SERIAL_PORT) {
 241                 printf("ERROR: invalid serial port\n");
 242                 marg.usb_present = 0;
 243                 offline = 1;
 244         } else if (sp == CLAIMED_SERIAL_PORT) {
 245                 printf("ERROR: serial port is claimed by another process\n");
 246                 marg.usb_present = 0;
 247                 offline = 1;
 248         } else {
 249                 marg.usb_present = 1;
 250                 offline = 0;
 251         }
 252
 253         // If the user passed the filename of the 'script' to execute, get it
 254         if (argc > 2 && argv[2]) {
 255                 if (argv[2][0] == 'f' &&  //buzzy, if a word 'flush' passed, flush the output after every log entry.
 256                         argv[2][1] == 'l' &&
 257                         argv[2][2] == 'u' &&
 258                         argv[2][3] == 's' &&
 259                         argv[2][4] == 'h')
 260                 {
 261                         printf("Output will be flushed after every print.\n");
 262                         flushAfterWrite = 1;
 263                 }
 264                 else
 265                 marg.script_cmds_file = argv[2];
 266         }
 267
 268         // create a mutex to avoid interlacing print commands from our different threads
 269         pthread_mutex_init(&print_lock, NULL);
 270
 271         pthread_create(&main_loop_t, NULL, &main_loop, &marg);
 272         InitGraphics(argc, argv);
 273
 274         MainGraphics();
 275
 276         pthread_join(main_loop_t, NULL);
 277
 278         // Clean up the port
 279         uart_close(sp);
 280
 281         // clean up mutex
 282         pthread_mutex_destroy(&print_lock);
 283
 284   return 0;
 285 }