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 "cmdparser.h"
  26 #include "cmdhw.h"
  27 #include "whereami.h"
  28
  29
  30 // a global mutex to prevent interlaced printing from different threads
  31 pthread_mutex_t print_lock;
  32
  33 static serial_port sp;
  34 static UsbCommand txcmd;
  35 volatile static bool txcmd_pending = false;
  36
  37 void SendCommand(UsbCommand *c) {
  38         #if 0
  39                 printf("Sending %d bytes\n", sizeof(UsbCommand));
  40         #endif
  41
  42         if (offline) {
  43       PrintAndLog("Sending bytes to proxmark failed - offline");
  44       return;
  45     }
  46   /**
  47         The while-loop below causes hangups at times, when the pm3 unit is unresponsive
  48         or disconnected. The main console thread is alive, but comm thread just spins here.
  49         Not good.../holiman
  50         **/
  51         while(txcmd_pending);
  52         txcmd = *c;
  53         txcmd_pending = true;
  54 }
  55
  56 struct receiver_arg {
  57         int run;
  58 };
  59
  60 byte_t rx[0x1000000];
  61 byte_t* prx = rx;
  62
  63 static void *uart_receiver(void *targ) {
  64         struct receiver_arg *arg = (struct receiver_arg*)targ;
  65         size_t rxlen;
  66         size_t cmd_count;
  67
  68         while (arg->run) {
  69                 rxlen = sizeof(UsbCommand);
  70                 if (uart_receive(sp, prx, &rxlen)) {
  71                         prx += rxlen;
  72                         if (((prx-rx) % sizeof(UsbCommand)) != 0) {
  73                                 continue;
  74                         }
  75                         cmd_count = (prx-rx) / sizeof(UsbCommand);
  76
  77                         for (size_t i = 0; i < cmd_count; i++) {
  78                                 UsbCommandReceived((UsbCommand*)(rx+(i*sizeof(UsbCommand))));
  79                         }
  80                 }
  81                 prx = rx;
  82
  83                 if(txcmd_pending) {
  84                         if (!uart_send(sp, (byte_t*) &txcmd, sizeof(UsbCommand))) {
  85                                 PrintAndLog("Sending bytes to proxmark failed");
  86                         }
  87                         txcmd_pending = false;
  88                 }
  89         }
  90
  91         pthread_exit(NULL);
  92         return NULL;
  93 }
  94
  95
  96 void main_loop(char *script_cmds_file, bool usb_present) {
  97         struct receiver_arg rarg;
  98         char *cmd = NULL;
  99         pthread_t reader_thread;
 100
 101         if (usb_present) {
 102                 rarg.run = 1;
 103                 pthread_create(&reader_thread, NULL, &uart_receiver, &rarg);
 104                 // cache Version information now:
 105                 CmdVersion(NULL);
 106         }
 107
 108         FILE *script_file = NULL;
 109         char script_cmd_buf[256];  // iceman, needs lua script the same file_path_buffer as the rest
 110
 111         if (script_cmds_file) {
 112                 script_file = fopen(script_cmds_file, "r");
 113                 if (script_file) {
 114                         printf("using 'scripting' commands file %s\n", script_cmds_file);
 115                 }
 116         }
 117
 118         read_history(".history");
 119
 120         while(1)  {
 121
 122                 // If there is a script file
 123                 if (script_file)
 124                 {
 125                         if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), script_file)) {
 126                                 fclose(script_file);
 127                                 script_file = NULL;
 128                         } else {
 129                                 char *nl;
 130                                 nl = strrchr(script_cmd_buf, '\r');
 131                                 if (nl) *nl = '\0';
 132
 133                                 nl = strrchr(script_cmd_buf, '\n');
 134                                 if (nl) *nl = '\0';
 135
 136                                 if ((cmd = (char*) malloc(strlen(script_cmd_buf) + 1)) != NULL) {
 137                                         memset(cmd, 0, strlen(script_cmd_buf));
 138                                         strcpy(cmd, script_cmd_buf);
 139                                         printf("%s\n", cmd);
 140                                 }
 141                         }
 142                 }
 143
 144                 if (!script_file) {
 145                         cmd = readline(PROXPROMPT);
 146                 }
 147
 148                 if (cmd) {
 149
 150                         while(cmd[strlen(cmd) - 1] == ' ')
 151                                 cmd[strlen(cmd) - 1] = 0x00;
 152
 153                         if (cmd[0] != 0x00) {
 154                                 int ret = CommandReceived(cmd);
 155                                 add_history(cmd);
 156                                 if (ret == 99) {  // exit or quit
 157                                         break;
 158                                 }
 159                         }
 160                         free(cmd);
 161                 } else {
 162                         printf("\n");
 163                         break;
 164                 }
 165         }
 166
 167         write_history(".history");
 168
 169         if (usb_present) {
 170                 rarg.run = 0;
 171                 pthread_join(reader_thread, NULL);
 172         }
 173
 174         if (script_file) {
 175                 fclose(script_file);
 176                 script_file = NULL;
 177         }
 178
 179 }
 180
 181 static void dumpAllHelp(int markdown)
 182 {
 183   printf("\n%sProxmark3 command dump%s\n\n",markdown?"# ":"",markdown?"":"\n======================");
 184   printf("Some commands are available only if a Proxmark is actually connected.%s\n",markdown?"  ":"");
 185   printf("Check column \"offline\" for their availability.\n");
 186   printf("\n");
 187   command_t *cmds = getTopLevelCommandTable();
 188   dumpCommandsRecursive(cmds, markdown);
 189 }
 190
 191 static char *my_executable_path = NULL;
 192 static char *my_executable_directory = NULL;
 193
 194 const char *get_my_executable_path(void)
 195 {
 196         return my_executable_path;
 197 }
 198
 199 const char *get_my_executable_directory(void)
 200 {
 201         return my_executable_directory;
 202 }
 203
 204 static void set_my_executable_path(void)
 205 {
 206         int path_length = wai_getExecutablePath(NULL, 0, NULL);
 207         if (path_length != -1) {
 208                 my_executable_path = (char*)malloc(path_length + 1);
 209                 int dirname_length = 0;
 210                 if (wai_getExecutablePath(my_executable_path, path_length, &dirname_length) != -1) {
 211                         my_executable_path[path_length] = '\0';
 212                         my_executable_directory = (char *)malloc(dirname_length + 2);
 213                         strncpy(my_executable_directory, my_executable_path, dirname_length+1);
 214                         my_executable_directory[dirname_length+1] = '\0';
 215                 }
 216         }
 217 }
 218
 219
 220 int main(int argc, char* argv[]) {
 221         srand(time(0));
 222
 223         if (argc < 2) {
 224                 printf("syntax: %s <port>\n\n",argv[0]);
 225                 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
 226                 printf("help:   %s -h\n\n", argv[0]);
 227                 printf("\tDump all interactive help at once\n");
 228                 printf("markdown:   %s -m\n\n", argv[0]);
 229                 printf("\tDump all interactive help at once in markdown syntax\n");
 230                 return 1;
 231         }
 232         if (strcmp(argv[1], "-h") == 0) {
 233                 printf("syntax: %s <port>\n\n",argv[0]);
 234                 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
 235                 dumpAllHelp(0);
 236                 return 0;
 237         }
 238         if (strcmp(argv[1], "-m") == 0) {
 239                 dumpAllHelp(1);
 240                 return 0;
 241         }
 242
 243         set_my_executable_path();
 244
 245         bool usb_present = false;
 246         char *script_cmds_file = NULL;
 247
 248         sp = uart_open(argv[1]);
 249         if (sp == INVALID_SERIAL_PORT) {
 250                 printf("ERROR: invalid serial port\n");
 251                 usb_present = false;
 252                 offline = 1;
 253         } else if (sp == CLAIMED_SERIAL_PORT) {
 254                 printf("ERROR: serial port is claimed by another process\n");
 255                 usb_present = false;
 256                 offline = 1;
 257         } else {
 258                 usb_present = true;
 259                 offline = 0;
 260         }
 261
 262         // If the user passed the filename of the 'script' to execute, get it
 263         if (argc > 2 && argv[2]) {
 264                 if (argv[2][0] == 'f' &&  //buzzy, if a word 'flush' passed, flush the output after every log entry.
 265                         argv[2][1] == 'l' &&
 266                         argv[2][2] == 'u' &&
 267                         argv[2][3] == 's' &&
 268                         argv[2][4] == 'h')
 269                 {
 270                         printf("Output will be flushed after every print.\n");
 271                         flushAfterWrite = 1;
 272                 }
 273                 else
 274                 script_cmds_file = argv[2];
 275         }
 276
 277         // create a mutex to avoid interlacing print commands from our different threads
 278         pthread_mutex_init(&print_lock, NULL);
 279
 280 #ifdef HAVE_GUI
 281         InitGraphics(argc, argv, script_cmds_file, usb_present);
 282         MainGraphics();
 283 #else
 284         main_loop(script_cmds_file, usb_present);
 285 #endif
 286
 287         // Clean up the port
 288         if (usb_present) {
 289                 uart_close(sp);
 290         }
 291
 292         // clean up mutex
 293         pthread_mutex_destroy(&print_lock);
 294
 295         exit(0);
 296 }