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 //#include "proxusb.h"
  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         /**
  52         The while-loop below causes hangups at times, when the pm3 unit is unresponsive
  53         or disconnected. The main console thread is alive, but comm thread just spins here.
  54         Not good.../holiman
  55         **/
  56   while(txcmd_pending);
  57   txcmd = *c;
  58   txcmd_pending = true;
  59 }
  60
  61 struct receiver_arg {
  62   int run;
  63 };
  64
  65 struct main_loop_arg {
  66   int usb_present;
  67   char *script_cmds_file;
  68 };
  69
  70 byte_t rx[0x1000000];
  71 byte_t* prx = rx;
  72
  73 static void *uart_receiver(void *targ) {
  74   struct receiver_arg *arg = (struct receiver_arg*)targ;
  75   size_t rxlen;
  76   size_t cmd_count;
  77
  78   while (arg->run) {
  79     rxlen = sizeof(UsbCommand);
  80     if (uart_receive(sp,prx,&rxlen)) {
  81       prx += rxlen;
  82       if (((prx-rx) % sizeof(UsbCommand)) != 0) {
  83         continue;
  84       }
  85       cmd_count = (prx-rx) / sizeof(UsbCommand);
  86       //      printf("received %d bytes, which represents %d commands\n",(prx-rx), cmd_count);
  87       for (size_t i=0; i<cmd_count; i++) {
  88         UsbCommandReceived((UsbCommand*)(rx+(i*sizeof(UsbCommand))));
  89       }
  90     }
  91     prx = rx;
  92
  93     if(txcmd_pending) {
  94       if (!uart_send(sp,(byte_t*)&txcmd,sizeof(UsbCommand))) {
  95         PrintAndLog("Sending bytes to proxmark failed");
  96       }
  97       txcmd_pending = false;
  98     }
  99   }
 100
 101   pthread_exit(NULL);
 102   return NULL;
 103 }
 104
 105 static void *main_loop(void *targ) {
 106   struct main_loop_arg *arg = (struct main_loop_arg*)targ;
 107   struct receiver_arg rarg;
 108   char *cmd = NULL;
 109   pthread_t reader_thread;
 110
 111   if (arg->usb_present == 1) {
 112     rarg.run=1;
 113     // pthread_create(&reader_thread, NULL, &usb_receiver, &rarg);
 114     pthread_create(&reader_thread, NULL, &uart_receiver, &rarg);
 115   }
 116
 117   FILE *script_file = NULL;
 118   char script_cmd_buf[256];
 119
 120   if (arg->script_cmds_file)
 121   {
 122     script_file = fopen(arg->script_cmds_file, "r");
 123     if (script_file)
 124     {
 125       printf("using 'scripting' commands file %s\n", arg->script_cmds_file);
 126     }
 127   }
 128
 129         read_history(".history");
 130         while(1)
 131   {
 132     // If there is a script file
 133     if (script_file)
 134     {
 135       if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), script_file))
 136       {
 137         fclose(script_file);
 138         script_file = NULL;
 139       }
 140       else
 141       {
 142         char *nl;
 143         nl = strrchr(script_cmd_buf, '\r');
 144         if (nl) *nl = '\0';
 145         nl = strrchr(script_cmd_buf, '\n');
 146         if (nl) *nl = '\0';
 147
 148         if ((cmd = (char*) malloc(strlen(script_cmd_buf) + 1)) != NULL)
 149         {
 150           memset(cmd, 0, strlen(script_cmd_buf));
 151           strcpy(cmd, script_cmd_buf);
 152           printf("%s\n", cmd);
 153         }
 154       }
 155     }
 156
 157                 if (!script_file)
 158                 {
 159       cmd = readline(PROXPROMPT);
 160                 }
 161
 162                 if (cmd) {
 163                         while(cmd[strlen(cmd) - 1] == ' ')
 164         cmd[strlen(cmd) - 1] = 0x00;
 165
 166                         if (cmd[0] != 0x00) {
 167                                 if (strncmp(cmd, "quit", 4) == 0) {
 168                                         exit(0);
 169                                         break;
 170                                 }
 171
 172                                 CommandReceived(cmd);
 173                                 add_history(cmd);
 174                         }
 175                         free(cmd);
 176                 } else {
 177                         printf("\n");
 178                         break;
 179                 }
 180         }
 181
 182         write_history(".history");
 183
 184   if (arg->usb_present == 1) {
 185     rarg.run = 0;
 186     pthread_join(reader_thread, NULL);
 187   }
 188
 189   if (script_file)
 190   {
 191     fclose(script_file);
 192     script_file = NULL;
 193   }
 194
 195   ExitGraphics();
 196   pthread_exit(NULL);
 197   return NULL;
 198 }
 199
 200 static void dumpAllHelp(int markdown)
 201 {
 202   printf("\n%sProxmark3 command dump%s\n\n",markdown?"# ":"",markdown?"":"\n======================");
 203   printf("Some commands are available only if a Proxmark is actually connected.%s\n",markdown?"  ":"");
 204   printf("Check column \"offline\" for their availability.\n");
 205   printf("\n");
 206   command_t *cmds = getTopLevelCommandTable();
 207   dumpCommandsRecursive(cmds, markdown);
 208 }
 209
 210 int main(int argc, char* argv[]) {
 211         srand(time(0));
 212
 213         if (argc < 2) {
 214                 printf("syntax: %s <port>\n\n",argv[0]);
 215                 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
 216                 printf("help:   %s -h\n\n", argv[0]);
 217                 printf("\tDump all interactive help at once\n");
 218                 printf("markdown:   %s -m\n\n", argv[0]);
 219                 printf("\tDump all interactive help at once in markdown syntax\n");
 220                 return 1;
 221         }
 222         if (strcmp(argv[1], "-h") == 0) {
 223                 printf("syntax: %s <port>\n\n",argv[0]);
 224                 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
 225                 dumpAllHelp(0);
 226                 return 0;
 227         }
 228         if (strcmp(argv[1], "-m") == 0) {
 229                 dumpAllHelp(1);
 230                 return 0;
 231         }
 232         // Make sure to initialize
 233         struct main_loop_arg marg = {
 234                 .usb_present = 0,
 235                 .script_cmds_file = NULL
 236         };
 237         pthread_t main_loop_t;
 238
 239
 240         sp = uart_open(argv[1]);
 241         if (sp == INVALID_SERIAL_PORT) {
 242                 printf("ERROR: invalid serial port\n");
 243                 marg.usb_present = 0;
 244                 offline = 1;
 245         } else if (sp == CLAIMED_SERIAL_PORT) {
 246                 printf("ERROR: serial port is claimed by another process\n");
 247                 marg.usb_present = 0;
 248                 offline = 1;
 249         } else {
 250                 marg.usb_present = 1;
 251                 offline = 0;
 252         }
 253
 254         // If the user passed the filename of the 'script' to execute, get it
 255         if (argc > 2 && argv[2]) {
 256                 if (argv[2][0] == 'f' &&  //buzzy, if a word 'flush' passed, flush the output after every log entry.
 257                         argv[2][1] == 'l' &&
 258                         argv[2][2] == 'u' &&
 259                         argv[2][3] == 's' &&
 260                         argv[2][4] == 'h')
 261                 {
 262                         printf("Output will be flushed after every print.\n");
 263                         flushAfterWrite = 1;
 264                 }
 265                 else
 266                 marg.script_cmds_file = argv[2];
 267         }
 268
 269         // create a mutex to avoid interlacing print commands from our different threads
 270         pthread_mutex_init(&print_lock, NULL);
 271
 272         pthread_create(&main_loop_t, NULL, &main_loop, &marg);
 273         InitGraphics(argc, argv);
 274
 275         MainGraphics();
 276
 277         pthread_join(main_loop_t, NULL);
 278
 279         // Clean up the port
 280         uart_close(sp);
 281
 282         // clean up mutex
 283         pthread_mutex_destroy(&print_lock);
 284
 285   return 0;
 286 }