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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
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 (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 txcmd = *c;
52 txcmd_pending = true;
53 }
54
55 struct receiver_arg {
56 int run;
57 };
58
59 struct main_loop_arg {
60 int usb_present;
61 char *script_cmds_file;
62 };
63
64 byte_t rx[0x1000000];
65 byte_t* prx = rx;
66
67 static void *uart_receiver(void *targ) {
68 struct receiver_arg *arg = (struct receiver_arg*)targ;
69 size_t rxlen;
70 size_t cmd_count;
71
72 while (arg->run) {
73 rxlen = sizeof(UsbCommand);
74 if (uart_receive(sp, prx, &rxlen)) {
75 prx += rxlen;
76 if (((prx-rx) % sizeof(UsbCommand)) != 0) {
77 continue;
78 }
79 cmd_count = (prx-rx) / sizeof(UsbCommand);
80
81 for (size_t i = 0; i < cmd_count; i++) {
82 UsbCommandReceived((UsbCommand*)(rx+(i*sizeof(UsbCommand))));
83 }
84 }
85 prx = rx;
86
87 if(txcmd_pending) {
88 if (!uart_send(sp, (byte_t*) &txcmd, sizeof(UsbCommand))) {
89 PrintAndLog("Sending bytes to proxmark failed");
90 }
91 txcmd_pending = false;
92 }
93 }
94
95 pthread_exit(NULL);
96 return NULL;
97 }
98
99 static void *main_loop(void *targ) {
100 struct main_loop_arg *arg = (struct main_loop_arg*)targ;
101 struct receiver_arg rarg;
102 char *cmd = NULL;
103 pthread_t reader_thread;
104
105 if (arg->usb_present == 1) {
106 rarg.run = 1;
107 pthread_create(&reader_thread, NULL, &uart_receiver, &rarg);
108 }
109
110 FILE *script_file = NULL;
111 char script_cmd_buf[256]; // iceman, needs lua script the same file_path_buffer as the rest
112
113 if (arg->script_cmds_file) {
114 script_file = fopen(arg->script_cmds_file, "r");
115 if (script_file) {
116 printf("using 'scripting' commands file %s\n", arg->script_cmds_file);
117 }
118 }
119
120 read_history(".history");
121
122 while(1) {
123
124 // If there is a script file
125 if (script_file)
126 {
127 if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), script_file)) {
128 fclose(script_file);
129 script_file = NULL;
130 } else {
131 char *nl;
132 nl = strrchr(script_cmd_buf, '\r');
133 if (nl) *nl = '\0';
134
135 nl = strrchr(script_cmd_buf, '\n');
136 if (nl) *nl = '\0';
137
138 if ((cmd = (char*) malloc(strlen(script_cmd_buf) + 1)) != NULL) {
139 memset(cmd, 0, strlen(script_cmd_buf));
140 strcpy(cmd, script_cmd_buf);
141 printf("%s\n", cmd);
142 }
143 }
144 }
145
146 if (!script_file) {
147 cmd = readline(PROXPROMPT);
148 }
149
150 if (cmd) {
151
152 while(cmd[strlen(cmd) - 1] == ' ')
153 cmd[strlen(cmd) - 1] = 0x00;
154
155 if (cmd[0] != 0x00) {
156 if (strncmp(cmd, "quit", 4) == 0) {
157 exit(0);
158 break;
159 }
160 CommandReceived(cmd);
161 add_history(cmd);
162 }
163 free(cmd);
164 } else {
165 printf("\n");
166 break;
167 }
168 }
169
170 write_history(".history");
171
172 if (arg->usb_present == 1) {
173 rarg.run = 0;
174 pthread_join(reader_thread, NULL);
175 }
176
177 if (script_file) {
178 fclose(script_file);
179 script_file = NULL;
180 }
181
182 ExitGraphics();
183 pthread_exit(NULL);
184 return NULL;
185 }
186
187 static void dumpAllHelp(int markdown)
188 {
189 printf("\n%sProxmark3 command dump%s\n\n",markdown?"# ":"",markdown?"":"\n======================");
190 printf("Some commands are available only if a Proxmark is actually connected.%s\n",markdown?" ":"");
191 printf("Check column \"offline\" for their availability.\n");
192 printf("\n");
193 command_t *cmds = getTopLevelCommandTable();
194 dumpCommandsRecursive(cmds, markdown);
195 }
196
197 int main(int argc, char* argv[]) {
198 srand(time(0));
199
200 if (argc < 2) {
201 printf("syntax: %s <port>\n\n",argv[0]);
202 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
203 printf("help: %s -h\n\n", argv[0]);
204 printf("\tDump all interactive help at once\n");
205 printf("markdown: %s -m\n\n", argv[0]);
206 printf("\tDump all interactive help at once in markdown syntax\n");
207 return 1;
208 }
209 if (strcmp(argv[1], "-h") == 0) {
210 printf("syntax: %s <port>\n\n",argv[0]);
211 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
212 dumpAllHelp(0);
213 return 0;
214 }
215 if (strcmp(argv[1], "-m") == 0) {
216 dumpAllHelp(1);
217 return 0;
218 }
219 // Make sure to initialize
220 struct main_loop_arg marg = {
221 .usb_present = 0,
222 .script_cmds_file = NULL
223 };
224 pthread_t main_loop_t;
225
226
227 sp = uart_open(argv[1]);
228 if (sp == INVALID_SERIAL_PORT) {
229 printf("ERROR: invalid serial port\n");
230 marg.usb_present = 0;
231 offline = 1;
232 } else if (sp == CLAIMED_SERIAL_PORT) {
233 printf("ERROR: serial port is claimed by another process\n");
234 marg.usb_present = 0;
235 offline = 1;
236 } else {
237 marg.usb_present = 1;
238 offline = 0;
239 }
240
241 // If the user passed the filename of the 'script' to execute, get it
242 if (argc > 2 && argv[2]) {
243 if (argv[2][0] == 'f' && //buzzy, if a word 'flush' passed, flush the output after every log entry.
244 argv[2][1] == 'l' &&
245 argv[2][2] == 'u' &&
246 argv[2][3] == 's' &&
247 argv[2][4] == 'h')
248 {
249 printf("Output will be flushed after every print.\n");
250 flushAfterWrite = 1;
251 }
252 else
253 marg.script_cmds_file = argv[2];
254 }
255
256 // create a mutex to avoid interlacing print commands from our different threads
257 pthread_mutex_init(&print_lock, NULL);
258
259 pthread_create(&main_loop_t, NULL, &main_loop, &marg);
260 InitGraphics(argc, argv);
261
262 MainGraphics();
263
264 pthread_join(main_loop_t, NULL);
265
266 // Clean up the port
267 uart_close(sp);
268
269 // clean up mutex
270 pthread_mutex_destroy(&print_lock);
271
272 return 0;
273 }
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