git.zerfleddert.de Git - proxmark3-svn/blob - client/cmdscript.c

   1 //-----------------------------------------------------------------------------
   2 // Copyright (C) 2013 m h swende <martin at swende.se>
   3 //
   4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   5 // at your option, any later version. See the LICENSE.txt file for the text of
   6 // the license.
   7 //-----------------------------------------------------------------------------
   8 // Some lua scripting glue to proxmark core.
   9 //-----------------------------------------------------------------------------
  10
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include <string.h>
  14 #include <limits.h>
  15 #include <sys/types.h>
  16 #include <dirent.h>
  17
  18 #include "proxmark3.h"
  19 #include "scripting.h"
  20 #include "data.h"
  21 #include "ui.h"
  22 #include "graph.h"
  23 #include "cmdparser.h"
  24 #include "cmdmain.h"
  25 #include "cmdscript.h"
  26 #include "cmdhfmf.h"
  27 #include "pm3_binlib.h"
  28
  29 #include <lua.h>
  30 #include <lualib.h>
  31 #include <lauxlib.h>
  32
  33
  34 static int CmdHelp(const char *Cmd);
  35 static int CmdList(const char *Cmd);
  36 static int CmdRun(const char *Cmd);
  37
  38 command_t CommandTable[] =
  39 {
  40   {"help",  CmdHelp, 1, "This help"},
  41   {"list",  CmdList, 1, "List available scripts"},
  42   {"run",   CmdRun,  1, "<name> -- Execute a script"},
  43   {NULL, NULL, 0, NULL}
  44 };
  45
  46 int str_ends_with(const char * str, const char * suffix) {
  47
  48   if( str == NULL || suffix == NULL )
  49     return 0;
  50
  51   size_t str_len = strlen(str);
  52   size_t suffix_len = strlen(suffix);
  53
  54   if(suffix_len > str_len)
  55     return 0;
  56
  57   return 0 == strncmp( str + str_len - suffix_len, suffix, suffix_len );
  58 }
  59 /**
  60  * Shows some basic help
  61  * @brief CmdHelp
  62  * @param Cmd
  63  * @return
  64  */
  65 int CmdHelp(const char * Cmd)
  66 {
  67     PrintAndLog("This is a feature to run Lua-scripts. You can place lua-scripts within the scripts/-folder. ");
  68     return 0;
  69 }
  70
  71 /**
  72 * Generate list of available commands, what it does is
  73 * generate a file listing of the script-directory for files
  74 * ending with .lua
  75 */
  76 int CmdList(const char *Cmd)
  77 {
  78     DIR *dp;
  79     struct dirent *ep;
  80     dp = opendir ("./scripts/");
  81
  82     if (dp != NULL)
  83     {
  84         while ((ep = readdir (dp)) != NULL)
  85         {
  86             if(ep->d_name != NULL && str_ends_with(ep->d_name, ".lua"))
  87                 PrintAndLog("%-16s %s", ep->d_name, "A script file");
  88         }
  89         (void) closedir (dp);
  90     }
  91     else
  92         PrintAndLog ("Couldn't open the scripts-directory");
  93     return 0;
  94 }
  95 /**
  96  * Finds a matching script-file
  97  * @brief CmdScript
  98  * @param Cmd
  99  * @return
 100  */
 101 int CmdScript(const char *Cmd)
 102 {
 103   CmdsParse(CommandTable, Cmd);
 104   return 0;
 105 }
 106 /*
 107 static int l_hfmf (lua_State *L) {
 108     return CmdHFMF("wohoo");
 109
 110 }
 111 */
 112 //static int l_CmdHelp(lua_State *L){ return CmdHelp(luaL_checkstring(L, 1));}
 113 static int l_CmdHF14AMfDbg(lua_State *L){ return CmdHF14AMfDbg(luaL_checkstring(L, 1));}
 114 static int l_CmdHF14AMfRdBl(lua_State *L){ return CmdHF14AMfRdBl(luaL_checkstring(L, 1));}
 115 static int l_CmdHF14AMfRdSc(lua_State *L){ return CmdHF14AMfRdSc(luaL_checkstring(L, 1));}
 116 static int l_CmdHF14AMfDump(lua_State *L){ return CmdHF14AMfDump(luaL_checkstring(L, 1));}
 117 static int l_CmdHF14AMifare(lua_State *L){ return CmdHF14AMifare(luaL_checkstring(L, 1));}
 118 static int l_CmdHF14AMfWrBl(lua_State *L){ return CmdHF14AMfWrBl(luaL_checkstring(L, 1));}
 119 static int l_CmdHF14AMfChk(lua_State *L){ return CmdHF14AMfChk(luaL_checkstring(L, 1));}
 120 static int l_CmdHF14AMfNested(lua_State *L){ return CmdHF14AMfNested(luaL_checkstring(L, 1));}
 121 static int l_CmdHF14AMfRestore(lua_State *L){ return CmdHF14AMfRestore(luaL_checkstring(L, 1));}
 122 static int l_CmdHF14AMfSniff(lua_State *L){ return CmdHF14AMfSniff(luaL_checkstring(L, 1));}
 123 static int l_CmdHF14AMf1kSim(lua_State *L){ return CmdHF14AMf1kSim(luaL_checkstring(L, 1));}
 124 static int l_CmdHF14AMfEClear(lua_State *L){ return CmdHF14AMfEClear(luaL_checkstring(L, 1));}
 125 static int l_CmdHF14AMfEGet(lua_State *L){ return CmdHF14AMfEGet(luaL_checkstring(L, 1));}
 126 static int l_CmdHF14AMfESet(lua_State *L){ return CmdHF14AMfESet(luaL_checkstring(L, 1));}
 127 static int l_CmdHF14AMfELoad(lua_State *L){ return CmdHF14AMfELoad(luaL_checkstring(L, 1));}
 128 static int l_CmdHF14AMfESave(lua_State *L){ return CmdHF14AMfESave(luaL_checkstring(L, 1));}
 129 static int l_CmdHF14AMfECFill(lua_State *L){ return CmdHF14AMfECFill(luaL_checkstring(L, 1));}
 130 static int l_CmdHF14AMfEKeyPrn(lua_State *L){ return CmdHF14AMfEKeyPrn(luaL_checkstring(L, 1));}
 131 static int l_CmdHF14AMfCSetUID(lua_State *L){ return CmdHF14AMfCSetUID(luaL_checkstring(L, 1));}
 132 static int l_CmdHF14AMfCSetBlk(lua_State *L){ return CmdHF14AMfCSetBlk(luaL_checkstring(L, 1));}
 133 static int l_CmdHF14AMfCGetBlk(lua_State *L){ return CmdHF14AMfCGetBlk(luaL_checkstring(L, 1));}
 134 static int l_CmdHF14AMfCGetSc(lua_State *L){ return CmdHF14AMfCGetSc(luaL_checkstring(L, 1));}
 135 static int l_CmdHF14AMfCLoad(lua_State *L){ return CmdHF14AMfCLoad(luaL_checkstring(L, 1));}
 136 static int l_CmdHF14AMfCSave(lua_State *L){ return CmdHF14AMfCSave(luaL_checkstring(L, 1));}
 137
 138
 139
 140
 141 static void set_cmdlibraries(lua_State *L)
 142 {
 143     static const luaL_Reg hfmf_lib[] = {
 144         {"dbg",     l_CmdHF14AMfDbg},
 145         {"rdbl",    l_CmdHF14AMfRdBl},
 146         {"rdsc",    l_CmdHF14AMfRdSc},
 147         {"dump",    l_CmdHF14AMfDump},
 148         {"restore", l_CmdHF14AMfRestore},
 149         {"wrbl",    l_CmdHF14AMfWrBl},
 150         {"chk",     l_CmdHF14AMfChk},
 151         {"mifare",  l_CmdHF14AMifare},
 152         {"nested",  l_CmdHF14AMfNested},
 153         {"sniff",   l_CmdHF14AMfSniff},
 154         {"sim",     l_CmdHF14AMf1kSim},
 155         {"eclr",    l_CmdHF14AMfEClear},
 156         {"eget",    l_CmdHF14AMfEGet},
 157         {"eset",    l_CmdHF14AMfESet},
 158         {"eload",   l_CmdHF14AMfELoad},
 159         {"esave",   l_CmdHF14AMfESave},
 160         {"ecfill",  l_CmdHF14AMfECFill},
 161         {"ekeyprn", l_CmdHF14AMfEKeyPrn},
 162         {"csetuid", l_CmdHF14AMfCSetUID},
 163         {"csetblk", l_CmdHF14AMfCSetBlk},
 164         {"cgetblk", l_CmdHF14AMfCGetBlk},
 165         {"cgetsc",  l_CmdHF14AMfCGetSc},
 166         {"cload",   l_CmdHF14AMfCLoad},
 167         {"csave",   l_CmdHF14AMfCSave},
 168         {NULL, NULL}
 169     };
 170
 171     lua_pushglobaltable(L);
 172     // Core library is in this table. Contains 'hf'
 173
 174     //this is 'hf' table
 175     lua_newtable(L);
 176
 177     //this is the mf table
 178     lua_newtable(L);
 179
 180     //Put the function into the hash table.
 181     for (int i = 0; hfmf_lib[i].name; i++) {
 182         lua_pushcfunction(L, hfmf_lib[i].func);
 183         lua_setfield(L, -2, hfmf_lib[i].name);//set the name, pop stack
 184     }
 185     //Name of 'mf'
 186     lua_setfield(L, -2, "mf");
 187
 188     //Name of 'hf'
 189     lua_setfield(L, -2, "hf");
 190
 191     //-- remove the global environment table from the stack
 192     lua_pop(L, 1);
 193 }
 194 /**
 195  * Utility to check the ending of a string (used to check file suffix)
 196  */
 197 bool endsWith (char* base, char* str) {
 198     int blen = strlen(base);
 199     int slen = strlen(str);
 200     return (blen >= slen) && (0 == strcmp(base + blen - slen, str));
 201 }
 202
 203 /**
 204  * @brief CmdRun - executes a script file.
 205  * @param argc
 206  * @param argv
 207  * @return
 208  */
 209 int CmdRun(const char *Cmd)
 210 {
 211     // create new Lua state
 212     lua_State *lua_state;
 213     lua_state = luaL_newstate();
 214
 215     // load Lua libraries
 216     luaL_openlibs(lua_state);
 217
 218     //Sets the pm3 core libraries, that go a bit 'under the hood'
 219     set_pm3_libraries(lua_state);
 220
 221     //Sets the 'command line' libraries, basically just the commandline stuff
 222     set_cmdlibraries(lua_state);
 223
 224     //Add the 'bin' library
 225     set_bin_library(lua_state);
 226
 227 //    char cmd_name[32];
 228 //    memset(cmd_name, 0, 32);
 229 //    sscanf(Cmd, "%31s%n", cmd_name, &len);
 230
 231     char script_name[128] = {0};
 232     char arguments[256] = {0};
 233
 234     int name_len = 0;
 235     int arg_len = 0;
 236     sscanf(Cmd, "%127s%n %255[^\n\r]%n", script_name,&name_len, arguments, &arg_len);
 237
 238     char *suffix = "";
 239     if(!endsWith(script_name,".lua"))
 240     {
 241         suffix = ".lua";
 242     }
 243
 244     char buf[256];
 245     snprintf(buf, sizeof buf, "./scripts/%s%s", script_name, suffix);
 246
 247     printf("--- Executing: %s, args'%s'\n",buf,arguments);
 248
 249
 250
 251
 252     // run the Lua script
 253
 254     int error = luaL_loadfile(lua_state, buf);
 255     if(!error)
 256     {
 257
 258         lua_pushstring(lua_state, arguments);
 259         lua_setglobal(lua_state, "args");
 260
 261         //Call it with 0 arguments
 262          error = lua_pcall(lua_state, 0, LUA_MULTRET, 0); // once again, returns non-0 on error,
 263     }
 264     if(error) // if non-0, then an error
 265     {
 266         // the top of the stack should be the error string
 267         if (!lua_isstring(lua_state, lua_gettop(lua_state)))
 268             printf( "Error - but no error (?!)");
 269
 270         // get the top of the stack as the error and pop it off
 271         const char * str = lua_tostring(lua_state, lua_gettop(lua_state));
 272         lua_pop(lua_state, 1);
 273         puts(str);
 274     }
 275
 276     //luaL_dofile(lua_state, buf);
 277     // close the Lua state
 278     lua_close(lua_state);
 279     printf("\n-----Finished\n");
 280     return 0;
 281 }
 282