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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 byte_t rx[0x1000000];
70 byte_t* prx = rx;
71
72 static void *uart_receiver(void *targ) {
73 struct receiver_arg *arg = (struct receiver_arg*)targ;
74 size_t rxlen;
75 size_t cmd_count;
76
77 while (arg->run) {
78 rxlen = sizeof(UsbCommand);
79 if (uart_receive(sp,prx,&rxlen)) {
80 prx += rxlen;
81 if (((prx-rx) % sizeof(UsbCommand)) != 0) {
82 continue;
83 }
84 cmd_count = (prx-rx) / sizeof(UsbCommand);
85 // printf("received %d bytes, which represents %d commands\n",(prx-rx), cmd_count);
86 for (size_t i=0; i<cmd_count; i++) {
87 UsbCommandReceived((UsbCommand*)(rx+(i*sizeof(UsbCommand))));
88 }
89 }
90 prx = rx;
91
92 if(txcmd_pending) {
93 if (!uart_send(sp,(byte_t*)&txcmd,sizeof(UsbCommand))) {
94 PrintAndLog("Sending bytes to proxmark failed");
95 }
96 txcmd_pending = false;
97 }
98 }
99
100 pthread_exit(NULL);
101 return NULL;
102 }
103
104 static void *main_loop(void *targ) {
105 struct main_loop_arg *arg = (struct main_loop_arg*)targ;
106 struct receiver_arg rarg;
107 char *cmd = NULL;
108 pthread_t reader_thread;
109
110 if (arg->usb_present == 1) {
111 rarg.run=1;
112 // pthread_create(&reader_thread, NULL, &usb_receiver, &rarg);
113 pthread_create(&reader_thread, NULL, &uart_receiver, &rarg);
114 }
115
116 FILE *script_file = NULL;
117 char script_cmd_buf[256]; // iceman, needs lua script the same file_path_buffer as the rest
118
119 if (arg->script_cmds_file)
120 {
121 script_file = fopen(arg->script_cmds_file, "r");
122 if (script_file)
123 {
124 printf("using 'scripting' commands file %s\n", arg->script_cmds_file);
125 }
126 }
127
128 read_history(".history");
129 while(1)
130 {
131 // If there is a script file
132 if (script_file)
133 {
134 if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), script_file))
135 {
136 fclose(script_file);
137 script_file = NULL;
138 }
139 else
140 {
141 char *nl;
142 nl = strrchr(script_cmd_buf, '\r');
143 if (nl) *nl = '\0';
144 nl = strrchr(script_cmd_buf, '\n');
145 if (nl) *nl = '\0';
146
147 if ((cmd = (char*) malloc(strlen(script_cmd_buf) + 1)) != NULL)
148 {
149 memset(cmd, 0, strlen(script_cmd_buf));
150 strcpy(cmd, script_cmd_buf);
151 printf("%s\n", cmd);
152 }
153 }
154 }
155
156 if (!script_file)
157 {
158 cmd = readline(PROXPROMPT);
159 }
160
161 if (cmd) {
162 while(cmd[strlen(cmd) - 1] == ' ')
163 cmd[strlen(cmd) - 1] = 0x00;
164
165 if (cmd[0] != 0x00) {
166 if (strncmp(cmd, "quit", 4) == 0) {
167 exit(0);
168 break;
169 }
170
171 CommandReceived(cmd);
172 add_history(cmd);
173 }
174 free(cmd);
175 } else {
176 printf("\n");
177 break;
178 }
179 }
180
181 write_history(".history");
182
183 if (arg->usb_present == 1) {
184 rarg.run = 0;
185 pthread_join(reader_thread, NULL);
186 }
187
188 if (script_file)
189 {
190 fclose(script_file);
191 script_file = NULL;
192 }
193
194 ExitGraphics();
195 pthread_exit(NULL);
196 return NULL;
197 }
198
199 static void dumpAllHelp(int markdown)
200 {
201 printf("\n%sProxmark3 command dump%s\n\n",markdown?"# ":"",markdown?"":"\n======================");
202 printf("Some commands are available only if a Proxmark is actually connected.%s\n",markdown?" ":"");
203 printf("Check column \"offline\" for their availability.\n");
204 printf("\n");
205 command_t *cmds = getTopLevelCommandTable();
206 dumpCommandsRecursive(cmds, markdown);
207 }
208
209 int main(int argc, char* argv[]) {
210 srand(time(0));
211
212 if (argc < 2) {
213 printf("syntax: %s <port>\n\n",argv[0]);
214 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
215 printf("help: %s -h\n\n", argv[0]);
216 printf("\tDump all interactive help at once\n");
217 printf("markdown: %s -m\n\n", argv[0]);
218 printf("\tDump all interactive help at once in markdown syntax\n");
219 return 1;
220 }
221 if (strcmp(argv[1], "-h") == 0) {
222 printf("syntax: %s <port>\n\n",argv[0]);
223 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
224 dumpAllHelp(0);
225 return 0;
226 }
227 if (strcmp(argv[1], "-m") == 0) {
228 dumpAllHelp(1);
229 return 0;
230 }
231 // Make sure to initialize
232 struct main_loop_arg marg = {
233 .usb_present = 0,
234 .script_cmds_file = NULL
235 };
236 pthread_t main_loop_t;
237
238
239 sp = uart_open(argv[1]);
240 if (sp == INVALID_SERIAL_PORT) {
241 printf("ERROR: invalid serial port\n");
242 marg.usb_present = 0;
243 offline = 1;
244 } else if (sp == CLAIMED_SERIAL_PORT) {
245 printf("ERROR: serial port is claimed by another process\n");
246 marg.usb_present = 0;
247 offline = 1;
248 } else {
249 marg.usb_present = 1;
250 offline = 0;
251 }
252
253 // If the user passed the filename of the 'script' to execute, get it
254 if (argc > 2 && argv[2]) {
255 if (argv[2][0] == 'f' && //buzzy, if a word 'flush' passed, flush the output after every log entry.
256 argv[2][1] == 'l' &&
257 argv[2][2] == 'u' &&
258 argv[2][3] == 's' &&
259 argv[2][4] == 'h')
260 {
261 printf("Output will be flushed after every print.\n");
262 flushAfterWrite = 1;
263 }
264 else
265 marg.script_cmds_file = argv[2];
266 }
267
268 // create a mutex to avoid interlacing print commands from our different threads
269 pthread_mutex_init(&print_lock, NULL);
270
271 pthread_create(&main_loop_t, NULL, &main_loop, &marg);
272 InitGraphics(argc, argv);
273
274 MainGraphics();
275
276 pthread_join(main_loop_t, NULL);
277
278 // Clean up the port
279 uart_close(sp);
280
281 // clean up mutex
282 pthread_mutex_destroy(&print_lock);
283
284 return 0;
285 }
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