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                                 if ((cmd = (char*) malloc(strlen(script_cmd_buf) + 1)) != NULL) {
 147                                         memset(cmd, 0, strlen(script_cmd_buf));
 148                                         strcpy(cmd, script_cmd_buf);
 149                                         printf("%s\n", cmd);
 150                                 }
 151                         }
 152                 } else {
 153                         cmd = readline(PROXPROMPT);
 154                 }
 155
 156                 if (cmd) {
 157
 158                         while(cmd[strlen(cmd) - 1] == ' ')
 159                                 cmd[strlen(cmd) - 1] = 0x00;
 160
 161                         if (cmd[0] != 0x00) {
 162                                 int ret = CommandReceived(cmd);
 163                                 add_history(cmd);
 164
 165                                 // exit or quit
 166                                 if (ret == 99)
 167                                         break;
 168                         }
 169                         free(cmd);
 170                 } else {
 171                         printf("\n");
 172                         break;
 173                 }
 174         }
 175
 176         write_history(".history");
 177
 178         if (arg->usb_present == 1) {
 179                 rarg.run = 0;
 180                 pthread_join(reader_thread, NULL);
 181         }
 182
 183         if (script_file) {
 184                 fclose(script_file);
 185                 script_file = NULL;
 186         }
 187
 188         ExitGraphics();
 189         pthread_exit(NULL);
 190         return NULL;
 191 }
 192
 193 static void dumpAllHelp(int markdown)
 194 {
 195         printf("\n%sProxmark3 command dump%s\n\n",markdown?"# ":"",markdown?"":"\n======================");
 196         printf("Some commands are available only if a Proxmark is actually connected.%s\n",markdown?"  ":"");
 197         printf("Check column \"offline\" for their availability.\n");
 198         printf("\n");
 199         command_t *cmds = getTopLevelCommandTable();
 200         dumpCommandsRecursive(cmds, markdown);
 201 }
 202
 203 int main(int argc, char* argv[]) {
 204         srand(time(0));
 205
 206         if (argc < 2) {
 207                 printf("syntax: %s <port>\n\n",argv[0]);
 208                 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
 209                 printf("help:   %s -h\n\n", argv[0]);
 210                 printf("\tDump all interactive help at once\n");
 211                 printf("markdown:   %s -m\n\n", argv[0]);
 212                 printf("\tDump all interactive help at once in markdown syntax\n");
 213                 return 1;
 214         }
 215         if (strcmp(argv[1], "-h") == 0) {
 216                 printf("syntax: %s <port>\n\n",argv[0]);
 217                 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
 218                 dumpAllHelp(0);
 219                 return 0;
 220         }
 221         if (strcmp(argv[1], "-m") == 0) {
 222                 dumpAllHelp(1);
 223                 return 0;
 224         }
 225         // Make sure to initialize
 226         struct main_loop_arg marg = {
 227                 .usb_present = 0,
 228                 .script_cmds_file = NULL
 229         };
 230
 231         pthread_t main_loop_threat;
 232
 233
 234         sp = uart_open(argv[1]);
 235         if (sp == INVALID_SERIAL_PORT) {
 236                 printf("ERROR: invalid serial port\n");
 237                 marg.usb_present = 0;
 238                 offline = 1;
 239         } else if (sp == CLAIMED_SERIAL_PORT) {
 240                 printf("ERROR: serial port is claimed by another process\n");
 241                 marg.usb_present = 0;
 242                 offline = 1;
 243         } else {
 244                 marg.usb_present = 1;
 245                 offline = 0;
 246         }
 247
 248         // If the user passed the filename of the 'script' to execute, get it
 249         if (argc > 2 && argv[2]) {
 250                 if (argv[2][0] == 'f' &&  //buzzy, if a word 'flush' passed, flush the output after every log entry.
 251                         argv[2][1] == 'l' &&
 252                         argv[2][2] == 'u' &&
 253                         argv[2][3] == 's' &&
 254                         argv[2][4] == 'h')
 255                 {
 256                         printf("Output will be flushed after every print.\n");
 257                         flushAfterWrite = 1;
 258                 }
 259                 else {
 260                         marg.script_cmds_file = argv[2];
 261                 }
 262         }
 263
 264         // create a mutex to avoid interlacing print commands from our different threads
 265         pthread_mutex_init(&print_lock, NULL);
 266
 267         pthread_create(&main_loop_threat, NULL, &main_loop, &marg);
 268         InitGraphics(argc, argv);
 269
 270         MainGraphics();
 271
 272         pthread_join(main_loop_threat, NULL);
 273
 274         // Clean up the port
 275         if (offline == 0)
 276                 uart_close(sp);
 277
 278         // clean up mutex
 279         pthread_mutex_destroy(&print_lock);
 280
 281         exit(0);
 282 }