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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 //#include "proxusb.h"
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 "cmdmain.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 (txcmd_pending) {
42 ERR("Sending command failed, previous command is still pending");
43 }
44 */
45 if(offline)
46 {
47 PrintAndLog("Sending bytes to proxmark failed - offline");
48 return;
49 }
50 /**
51 The while-loop below causes hangups at times, when the pm3 unit is unresponsive
52 or disconnected. The main console thread is alive, but comm thread just spins here.
53 Not good.../holiman
54 **/
55 while(txcmd_pending);
56 txcmd = *c;
57 txcmd_pending = true;
58 }
59
60 struct receiver_arg {
61 int run;
62 };
63
64 struct main_loop_arg {
65 int usb_present;
66 char *script_cmds_file;
67 };
68
69 //static void *usb_receiver(void *targ) {
70 // struct receiver_arg *arg = (struct receiver_arg*)targ;
71 // UsbCommand cmdbuf;
72 //
73 // while (arg->run) {
74 // if (ReceiveCommandPoll(&cmdbuf)) {
75 // UsbCommandReceived(&cmdbuf);
76 // fflush(NULL);
77 // }
78 // }
79 //
80 // pthread_exit(NULL);
81 // return NULL;
82 //}
83
84 byte_t rx[0x1000000];
85 byte_t* prx = rx;
86
87 static void *uart_receiver(void *targ) {
88 struct receiver_arg *arg = (struct receiver_arg*)targ;
89 size_t rxlen;
90 size_t cmd_count;
91
92 while (arg->run) {
93 rxlen = sizeof(UsbCommand);
94 if (uart_receive(sp,prx,&rxlen)) {
95 prx += rxlen;
96 if (((prx-rx) % sizeof(UsbCommand)) != 0) {
97 continue;
98 }
99 cmd_count = (prx-rx) / sizeof(UsbCommand);
100 // printf("received %d bytes, which represents %d commands\n",(prx-rx), cmd_count);
101 for (size_t i=0; i<cmd_count; i++) {
102 UsbCommandReceived((UsbCommand*)(rx+(i*sizeof(UsbCommand))));
103 }
104 }
105 prx = rx;
106
107 if(txcmd_pending) {
108 if (!uart_send(sp,(byte_t*)&txcmd,sizeof(UsbCommand))) {
109 PrintAndLog("Sending bytes to proxmark failed");
110 }
111 txcmd_pending = false;
112 }
113 }
114
115 pthread_exit(NULL);
116 return NULL;
117 }
118
119 static void *main_loop(void *targ) {
120 struct main_loop_arg *arg = (struct main_loop_arg*)targ;
121 struct receiver_arg rarg;
122 char *cmd = NULL;
123 pthread_t reader_thread;
124
125 if (arg->usb_present == 1) {
126 rarg.run=1;
127 // pthread_create(&reader_thread, NULL, &usb_receiver, &rarg);
128 pthread_create(&reader_thread, NULL, &uart_receiver, &rarg);
129 }
130
131 FILE *script_file = NULL;
132 char script_cmd_buf[256];
133
134 if (arg->script_cmds_file)
135 {
136 script_file = fopen(arg->script_cmds_file, "r");
137 if (script_file)
138 {
139 printf("using 'scripting' commands file %s\n", arg->script_cmds_file);
140 }
141 }
142
143 read_history(".history");
144 while(1)
145 {
146 // If there is a script file
147 if (script_file)
148 {
149 if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), script_file))
150 {
151 fclose(script_file);
152 script_file = NULL;
153 }
154 else
155 {
156 char *nl;
157 nl = strrchr(script_cmd_buf, '\r');
158 if (nl) *nl = '\0';
159 nl = strrchr(script_cmd_buf, '\n');
160 if (nl) *nl = '\0';
161
162 if ((cmd = (char*) malloc(strlen(script_cmd_buf) + 1)) != NULL)
163 {
164 memset(cmd, 0, strlen(script_cmd_buf));
165 strcpy(cmd, script_cmd_buf);
166 printf("%s\n", cmd);
167 }
168 }
169 }
170
171 if (!script_file)
172 {
173 cmd = readline(PROXPROMPT);
174 }
175
176 if (cmd) {
177 while(cmd[strlen(cmd) - 1] == ' ')
178 cmd[strlen(cmd) - 1] = 0x00;
179
180 if (cmd[0] != 0x00) {
181 if (strncmp(cmd, "quit", 4) == 0) {
182 exit(0);
183 break;
184 }
185
186 CommandReceived(cmd);
187 add_history(cmd);
188 }
189 free(cmd);
190 } else {
191 printf("\n");
192 break;
193 }
194 }
195
196 write_history(".history");
197
198 if (arg->usb_present == 1) {
199 rarg.run = 0;
200 pthread_join(reader_thread, NULL);
201 }
202
203 if (script_file)
204 {
205 fclose(script_file);
206 script_file = NULL;
207 }
208
209 ExitGraphics();
210 pthread_exit(NULL);
211 return NULL;
212 }
213
214 //static void dumpHelp(char *parent, ...)
215 //{
216 // printf("## %s\n\n", parent);
217 // CommandReceived(parent);
218 //
219 // printf("\n");
220 //}
221
222 static void dumpAllHelp(int markdown)
223 {
224 printf("\n%sProxmark3 command dump%s\n\n",markdown?"# ":"",markdown?"":"\n======================");
225 printf("Some commands are available only if a Proxmark is actually connected.%s\n",markdown?" ":"");
226 printf("Check column \"offline\" for their availability.\n");
227 printf("\n");
228 command_t *cmds = getTopLevelCommandTable();
229 dumpCommandsRecursive(cmds, markdown);
230 }
231
232 int main(int argc, char* argv[]) {
233 srand(time(0));
234
235 if (argc < 2) {
236 printf("syntax: %s <port>\n\n",argv[0]);
237 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
238 printf("help: %s -h\n\n", argv[0]);
239 printf("\tDump all interactive help at once\n");
240 printf("markdown: %s -m\n\n", argv[0]);
241 printf("\tDump all interactive help at once in markdown syntax\n");
242 return 1;
243 }
244 if (strcmp(argv[1], "-h") == 0) {
245 printf("syntax: %s <port>\n\n",argv[0]);
246 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
247 dumpAllHelp(0);
248 return 0;
249 }
250 if (strcmp(argv[1], "-m") == 0) {
251 dumpAllHelp(1);
252 return 0;
253 }
254 // Make sure to initialize
255 struct main_loop_arg marg = {
256 .usb_present = 0,
257 .script_cmds_file = NULL
258 };
259 pthread_t main_loop_t;
260
261 /*
262 usb_init();
263 if (!OpenProxmark(1)) {
264 fprintf(stderr,"PROXMARK3: NOT FOUND!\n");
265 marg.usb_present = 0;
266 offline = 1;
267 } else {
268 marg.usb_present = 1;
269 offline = 0;
270 }
271 */
272
273 sp = uart_open(argv[1]);
274 if (sp == INVALID_SERIAL_PORT) {
275 printf("ERROR: invalid serial port\n");
276 marg.usb_present = 0;
277 offline = 1;
278 } else if (sp == CLAIMED_SERIAL_PORT) {
279 printf("ERROR: serial port is claimed by another process\n");
280 marg.usb_present = 0;
281 offline = 1;
282 } else {
283 marg.usb_present = 1;
284 offline = 0;
285 }
286
287 // If the user passed the filename of the 'script' to execute, get it
288 if (argc > 2 && argv[2]) {
289 if (argv[2][0] == 'f' && //buzzy, if a word 'flush' passed, flush the output after every log entry.
290 argv[2][1] == 'l' &&
291 argv[2][2] == 'u' &&
292 argv[2][3] == 's' &&
293 argv[2][4] == 'h')
294 {
295 printf("Output will be flushed after every print.\n");
296 flushAfterWrite = 1;
297 }
298 else
299 marg.script_cmds_file = argv[2];
300 }
301
302 // create a mutex to avoid interlacing print commands from our different threads
303 pthread_mutex_init(&print_lock, NULL);
304
305 pthread_create(&main_loop_t, NULL, &main_loop, &marg);
306 InitGraphics(argc, argv);
307
308 MainGraphics();
309
310 pthread_join(main_loop_t, NULL);
311
312 // if (marg.usb_present == 1) {
313 // CloseProxmark();
314 // }
315
316 // Clean up the port
317 uart_close(sp);
318
319 // clean up mutex
320 pthread_mutex_destroy(&print_lock);
321
322 return 0;
323 }
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