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 "proxgui.h"
  22 #include "cmdmain.h"
  23 #include "uart.h"
  24 #include "ui.h"
  25 #include "sleep.h"
  26 #include "cmdparser.h"
  27 #include "cmdhw.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 (offline) {
  42                 PrintAndLog("Sending bytes to proxmark failed - offline");
  43                 return;
  44         }
  45         /**
  46         The while-loop below causes hangups at times, when the pm3 unit is unresponsive
  47         or disconnected. The main console thread is alive, but comm thread just spins here.
  48         Not good.../holiman
  49         **/
  50         while(txcmd_pending);
  51
  52         txcmd = *c;
  53         txcmd_pending = true;
  54 }
  55
  56 struct receiver_arg {
  57   int run;
  58 };
  59
  60 struct main_loop_arg {
  61   int usb_present;
  62   char *script_cmds_file;
  63 };
  64
  65 byte_t rx[0x1000000];
  66 byte_t* prx = rx;
  67
  68 static void *uart_receiver(void *targ) {
  69         struct receiver_arg *arg = (struct receiver_arg*)targ;
  70         size_t rxlen;
  71         size_t cmd_count;
  72
  73         while (arg->run) {
  74
  75                 rxlen = sizeof(UsbCommand);
  76
  77                 if (uart_receive(sp, prx, &rxlen)) {
  78                         prx += rxlen;
  79                         if (((prx-rx) % sizeof(UsbCommand)) != 0)
  80                                 continue;
  81
  82                         cmd_count = (prx-rx) / sizeof(UsbCommand);
  83
  84                         for (size_t i = 0; i < cmd_count; i++)
  85                                 UsbCommandReceived((UsbCommand*)( rx + ( i * sizeof(UsbCommand))));
  86
  87                 }
  88                 prx = rx;
  89
  90                 if (txcmd_pending) {
  91                         if ( !uart_send(sp, (byte_t*) &txcmd, sizeof(UsbCommand))) {
  92                                 PrintAndLog("Sending bytes to proxmark failed");
  93                         }
  94                         txcmd_pending = false;
  95                 }
  96         }
  97
  98         pthread_exit(NULL);
  99         return NULL;
 100 }
 101
 102 static void *main_loop(void *targ) {
 103         struct main_loop_arg *arg = (struct main_loop_arg*)targ;
 104         struct receiver_arg rarg;
 105         char *cmd = NULL;
 106         pthread_t reader_thread;
 107
 108         if (arg->usb_present == 1) {
 109                 rarg.run = 1;
 110                 pthread_create(&reader_thread, NULL, &uart_receiver, &rarg);
 111                 // cache Version information now:
 112                 CmdVersion(NULL);
 113         }
 114
 115         FILE *script_file = NULL;
 116         char script_cmd_buf[256] = {0x00};  // iceman, needs lua script the same file_path_buffer as the rest
 117
 118         if (arg->script_cmds_file) {
 119                 script_file = fopen(arg->script_cmds_file, "r");
 120
 121                 if (script_file)
 122                         printf("using 'scripting' commands file %s\n", arg->script_cmds_file);
 123         }
 124
 125         read_history(".history");
 126
 127         while(1)  {
 128
 129                 // If there is a script file
 130                 if (script_file) {
 131
 132                         if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), script_file)) {
 133                                 fclose(script_file);
 134                                 script_file = NULL;
 135                         } else {
 136                                 char *nl;
 137                                 nl = strrchr(script_cmd_buf, '\r');
 138                                 if (nl)
 139                                         *nl = '\0';
 140
 141                                 nl = strrchr(script_cmd_buf, '\n');
 142
 143                                 if (nl)
 144                                         *nl = '\0';
 145
 146                                 int newlen = strlen(script_cmd_buf);
 147                                 if ((cmd = (char*) malloc( newlen + 1)) != NULL) {
 148                                         memset(cmd, 0x00, newlen);
 149                                         strcpy(cmd, script_cmd_buf);
 150                                         printf("%s\n", cmd);
 151                                 }
 152                         }
 153                 } else {
 154                         cmd = readline(PROXPROMPT);
 155                 }
 156
 157                 // this one should pick up all non-null cmd...
 158                 // why is there a
 159                 if (cmd) {
 160
 161                         while(cmd[strlen(cmd) - 1] == ' ')
 162                                 cmd[strlen(cmd) - 1] = 0x00;
 163
 164                         if (cmd[0] != 0x00) {
 165                                 int ret = CommandReceived(cmd);
 166                                 add_history(cmd);
 167
 168                                 // exit or quit
 169                                 if (ret == 99)
 170                                         break;
 171                         }
 172                         free(cmd);
 173                         cmd = 0;
 174                 } else {
 175                         printf("\n");
 176                         break;
 177                 }
 178         }
 179
 180         if (script_file) {
 181                 fclose(script_file);
 182                 script_file = NULL;
 183         }
 184
 185         write_history(".history");
 186
 187         free(cmd);
 188         cmd = 0;
 189
 190         if (arg->usb_present == 1) {
 191                 rarg.run = 0;
 192                 pthread_join(reader_thread, 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
 238         pthread_t main_loop_threat;
 239
 240
 241         sp = uart_open(argv[1]);
 242         if (sp == INVALID_SERIAL_PORT) {
 243                 printf("ERROR: invalid serial port\n");
 244                 marg.usb_present = 0;
 245                 offline = 1;
 246         } else if (sp == CLAIMED_SERIAL_PORT) {
 247                 printf("ERROR: serial port is claimed by another process\n");
 248                 marg.usb_present = 0;
 249                 offline = 1;
 250         } else {
 251                 marg.usb_present = 1;
 252                 offline = 0;
 253         }
 254
 255         // If the user passed the filename of the 'script' to execute, get it
 256         if (argc > 2 && argv[2]) {
 257                 if (argv[2][0] == 'f' &&  //buzzy, if a word 'flush' passed, flush the output after every log entry.
 258                         argv[2][1] == 'l' &&
 259                         argv[2][2] == 'u' &&
 260                         argv[2][3] == 's' &&
 261                         argv[2][4] == 'h')
 262                 {
 263                         printf("Output will be flushed after every print.\n");
 264                         flushAfterWrite = 1;
 265                 }
 266                 else {
 267                         marg.script_cmds_file = argv[2];
 268                 }
 269         }
 270
 271         // create a mutex to avoid interlacing print commands from our different threads
 272         pthread_mutex_init(&print_lock, NULL);
 273
 274         pthread_create(&main_loop_threat, NULL, &main_loop, &marg);
 275         InitGraphics(argc, argv);
 276
 277         MainGraphics();
 278
 279         pthread_join(main_loop_threat, NULL);
 280
 281         // Clean up the port
 282         if (offline == 0)
 283                 uart_close(sp);
 284
 285         // clean up mutex
 286         pthread_mutex_destroy(&print_lock);
 287
 288         exit(0);
 289 }