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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 }
69
70 /**
71 * Generate list of available commands, what it does is
72 * generate a file listing of the script-directory for files
73 * ending with .lua
74 */
75 int CmdList(const char *Cmd)
76 {
77 DIR *dp;
78 struct dirent *ep;
79 dp = opendir ("./scripts/");
80
81 if (dp != NULL)
82 {
83 while (ep = readdir (dp))
84 {
85 if(ep->d_name != NULL && str_ends_with(ep->d_name, ".lua"))
86 PrintAndLog("%-16s %s", ep->d_name, "A script file");
87 }
88 (void) closedir (dp);
89 }
90 else
91 PrintAndLog ("Couldn't open the scripts-directory");
92 return 0;
93 }
94 /**
95 * Finds a matching script-file
96 * @brief CmdScript
97 * @param Cmd
98 * @return
99 */
100 int CmdScript(const char *Cmd)
101 {
102 CmdsParse(CommandTable, Cmd);
103 return 0;
104 }
105 /*
106 static int l_hfmf (lua_State *L) {
107 return CmdHFMF("wohoo");
108
109 }
110 */
111 //static int l_CmdHelp(lua_State *L){ return CmdHelp(luaL_checkstring(L, 1));}
112 static int l_CmdHF14AMfDbg(lua_State *L){ return CmdHF14AMfDbg(luaL_checkstring(L, 1));}
113 static int l_CmdHF14AMfRdBl(lua_State *L){ return CmdHF14AMfRdBl(luaL_checkstring(L, 1));}
114 static int l_CmdHF14AMfRdSc(lua_State *L){ return CmdHF14AMfRdSc(luaL_checkstring(L, 1));}
115 static int l_CmdHF14AMfDump(lua_State *L){ return CmdHF14AMfDump(luaL_checkstring(L, 1));}
116 static int l_CmdHF14AMifare(lua_State *L){ return CmdHF14AMifare(luaL_checkstring(L, 1));}
117 static int l_CmdHF14AMfWrBl(lua_State *L){ return CmdHF14AMfWrBl(luaL_checkstring(L, 1));}
118 static int l_CmdHF14AMfChk(lua_State *L){ return CmdHF14AMfChk(luaL_checkstring(L, 1));}
119 static int l_CmdHF14AMfNested(lua_State *L){ return CmdHF14AMfNested(luaL_checkstring(L, 1));}
120 static int l_CmdHF14AMfRestore(lua_State *L){ return CmdHF14AMfRestore(luaL_checkstring(L, 1));}
121 static int l_CmdHF14AMfSniff(lua_State *L){ return CmdHF14AMfSniff(luaL_checkstring(L, 1));}
122 static int l_CmdHF14AMf1kSim(lua_State *L){ return CmdHF14AMf1kSim(luaL_checkstring(L, 1));}
123 static int l_CmdHF14AMfEClear(lua_State *L){ return CmdHF14AMfEClear(luaL_checkstring(L, 1));}
124 static int l_CmdHF14AMfEGet(lua_State *L){ return CmdHF14AMfEGet(luaL_checkstring(L, 1));}
125 static int l_CmdHF14AMfESet(lua_State *L){ return CmdHF14AMfESet(luaL_checkstring(L, 1));}
126 static int l_CmdHF14AMfELoad(lua_State *L){ return CmdHF14AMfELoad(luaL_checkstring(L, 1));}
127 static int l_CmdHF14AMfESave(lua_State *L){ return CmdHF14AMfESave(luaL_checkstring(L, 1));}
128 static int l_CmdHF14AMfECFill(lua_State *L){ return CmdHF14AMfECFill(luaL_checkstring(L, 1));}
129 static int l_CmdHF14AMfEKeyPrn(lua_State *L){ return CmdHF14AMfEKeyPrn(luaL_checkstring(L, 1));}
130 static int l_CmdHF14AMfCSetUID(lua_State *L){ return CmdHF14AMfCSetUID(luaL_checkstring(L, 1));}
131 static int l_CmdHF14AMfCSetBlk(lua_State *L){ return CmdHF14AMfCSetBlk(luaL_checkstring(L, 1));}
132 static int l_CmdHF14AMfCGetBlk(lua_State *L){ return CmdHF14AMfCGetBlk(luaL_checkstring(L, 1));}
133 static int l_CmdHF14AMfCGetSc(lua_State *L){ return CmdHF14AMfCGetSc(luaL_checkstring(L, 1));}
134 static int l_CmdHF14AMfCLoad(lua_State *L){ return CmdHF14AMfCLoad(luaL_checkstring(L, 1));}
135 static int l_CmdHF14AMfCSave(lua_State *L){ return CmdHF14AMfCSave(luaL_checkstring(L, 1));}
136
137
138
139
140 static void set_cmdlibraries(lua_State *L)
141 {
142 static const luaL_Reg hfmf_lib[] = {
143 {"dbg", l_CmdHF14AMfDbg},
144 {"rdbl", l_CmdHF14AMfRdBl},
145 {"rdsc", l_CmdHF14AMfRdSc},
146 {"dump", l_CmdHF14AMfDump},
147 {"restore", l_CmdHF14AMfRestore},
148 {"wrbl", l_CmdHF14AMfWrBl},
149 {"chk", l_CmdHF14AMfChk},
150 {"mifare", l_CmdHF14AMifare},
151 {"nested", l_CmdHF14AMfNested},
152 {"sniff", l_CmdHF14AMfSniff},
153 {"sim", l_CmdHF14AMf1kSim},
154 {"eclr", l_CmdHF14AMfEClear},
155 {"eget", l_CmdHF14AMfEGet},
156 {"eset", l_CmdHF14AMfESet},
157 {"eload", l_CmdHF14AMfELoad},
158 {"esave", l_CmdHF14AMfESave},
159 {"ecfill", l_CmdHF14AMfECFill},
160 {"ekeyprn", l_CmdHF14AMfEKeyPrn},
161 {"csetuid", l_CmdHF14AMfCSetUID},
162 {"csetblk", l_CmdHF14AMfCSetBlk},
163 {"cgetblk", l_CmdHF14AMfCGetBlk},
164 {"cgetsc", l_CmdHF14AMfCGetSc},
165 {"cload", l_CmdHF14AMfCLoad},
166 {"csave", l_CmdHF14AMfCSave},
167 {NULL, NULL}
168 };
169
170 lua_pushglobaltable(L);
171 // Core library is in this table. Contains 'hf'
172
173 //this is 'hf' table
174 lua_newtable(L);
175
176 //this is the mf table
177 lua_newtable(L);
178
179 //Put the function into the hash table.
180 for (int i = 0; hfmf_lib[i].name; i++) {
181 lua_pushcfunction(L, hfmf_lib[i].func);
182 lua_setfield(L, -2, hfmf_lib[i].name);//set the name, pop stack
183 }
184 //Name of 'mf'
185 lua_setfield(L, -2, "mf");
186
187 //Name of 'hf'
188 lua_setfield(L, -2, "hf");
189
190 //-- remove the global environment table from the stack
191 lua_pop(L, 1);
192 return 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];
232 char arguments[256];
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 with arguments '%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 printf(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 }
281
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