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[proxmark3-svn] / 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 } else {
170 printf("\n");
171 break;
172 }
173 }
174
175 write_history(".history");
176
177 free(cmd);
178
179 if (arg->usb_present == 1) {
180 rarg.run = 0;
181 pthread_join(reader_thread, NULL);
182 }
183
184 if (script_file) {
185 fclose(script_file);
186 script_file = NULL;
187 }
188
189 ExitGraphics();
190 pthread_exit(NULL);
191 return NULL;
192 }
193
194 static void dumpAllHelp(int markdown)
195 {
196 printf("\n%sProxmark3 command dump%s\n\n",markdown?"# ":"",markdown?"":"\n======================");
197 printf("Some commands are available only if a Proxmark is actually connected.%s\n",markdown?" ":"");
198 printf("Check column \"offline\" for their availability.\n");
199 printf("\n");
200 command_t *cmds = getTopLevelCommandTable();
201 dumpCommandsRecursive(cmds, markdown);
202 }
203
204 int main(int argc, char* argv[]) {
205 srand(time(0));
206
207 if (argc < 2) {
208 printf("syntax: %s <port>\n\n",argv[0]);
209 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
210 printf("help: %s -h\n\n", argv[0]);
211 printf("\tDump all interactive help at once\n");
212 printf("markdown: %s -m\n\n", argv[0]);
213 printf("\tDump all interactive help at once in markdown syntax\n");
214 return 1;
215 }
216 if (strcmp(argv[1], "-h") == 0) {
217 printf("syntax: %s <port>\n\n",argv[0]);
218 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
219 dumpAllHelp(0);
220 return 0;
221 }
222 if (strcmp(argv[1], "-m") == 0) {
223 dumpAllHelp(1);
224 return 0;
225 }
226 // Make sure to initialize
227 struct main_loop_arg marg = {
228 .usb_present = 0,
229 .script_cmds_file = NULL
230 };
231
232 pthread_t main_loop_threat;
233
234
235 sp = uart_open(argv[1]);
236 if (sp == INVALID_SERIAL_PORT) {
237 printf("ERROR: invalid serial port\n");
238 marg.usb_present = 0;
239 offline = 1;
240 } else if (sp == CLAIMED_SERIAL_PORT) {
241 printf("ERROR: serial port is claimed by another process\n");
242 marg.usb_present = 0;
243 offline = 1;
244 } else {
245 marg.usb_present = 1;
246 offline = 0;
247 }
248
249 // If the user passed the filename of the 'script' to execute, get it
250 if (argc > 2 && argv[2]) {
251 if (argv[2][0] == 'f' && //buzzy, if a word 'flush' passed, flush the output after every log entry.
252 argv[2][1] == 'l' &&
253 argv[2][2] == 'u' &&
254 argv[2][3] == 's' &&
255 argv[2][4] == 'h')
256 {
257 printf("Output will be flushed after every print.\n");
258 flushAfterWrite = 1;
259 }
260 else {
261 marg.script_cmds_file = argv[2];
262 }
263 }
264
265 // create a mutex to avoid interlacing print commands from our different threads
266 pthread_mutex_init(&print_lock, NULL);
267
268 pthread_create(&main_loop_threat, NULL, &main_loop, &marg);
269 InitGraphics(argc, argv);
270
271 MainGraphics();
272
273 pthread_join(main_loop_threat, NULL);
274
275 // Clean up the port
276 if (offline == 0)
277 uart_close(sp);
278
279 // clean up mutex
280 pthread_mutex_destroy(&print_lock);
281
282 exit(0);
283 }
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