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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 "cmdhw.h"
28
29// a global mutex to prevent interlaced printing from different threads
30pthread_mutex_t print_lock;
31
32static serial_port sp;
33static UsbCommand txcmd;
34volatile static bool txcmd_pending = false;
35
36void 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
56struct receiver_arg {
57 int run;
58};
59
60struct main_loop_arg {
61 int usb_present;
62 char *script_cmds_file;
63};
64
65byte_t rx[0x1000000];
66byte_t* prx = rx;
67
68static 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
102static 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 free(cmd);
170 } else {
171 printf("\n");
172 break;
173 }
174 }
175
176 write_history(".history");
177
178 if (arg->usb_present == 1) {
179 rarg.run = 0;
180 pthread_join(reader_thread, NULL);
181 }
182
183 if (script_file) {
184 fclose(script_file);
185 script_file = NULL;
186 }
187
188 ExitGraphics();
189 pthread_exit(NULL);
190 return NULL;
191}
192
193static void dumpAllHelp(int markdown)
194{
195 printf("\n%sProxmark3 command dump%s\n\n",markdown?"# ":"",markdown?"":"\n======================");
196 printf("Some commands are available only if a Proxmark is actually connected.%s\n",markdown?" ":"");
197 printf("Check column \"offline\" for their availability.\n");
198 printf("\n");
199 command_t *cmds = getTopLevelCommandTable();
200 dumpCommandsRecursive(cmds, markdown);
201}
202
203int main(int argc, char* argv[]) {
204 srand(time(0));
205
206 if (argc < 2) {
207 printf("syntax: %s <port>\n\n",argv[0]);
208 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
209 printf("help: %s -h\n\n", argv[0]);
210 printf("\tDump all interactive help at once\n");
211 printf("markdown: %s -m\n\n", argv[0]);
212 printf("\tDump all interactive help at once in markdown syntax\n");
213 return 1;
214 }
215 if (strcmp(argv[1], "-h") == 0) {
216 printf("syntax: %s <port>\n\n",argv[0]);
217 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
218 dumpAllHelp(0);
219 return 0;
220 }
221 if (strcmp(argv[1], "-m") == 0) {
222 dumpAllHelp(1);
223 return 0;
224 }
225 // Make sure to initialize
226 struct main_loop_arg marg = {
227 .usb_present = 0,
228 .script_cmds_file = NULL
229 };
230
231 pthread_t main_loop_threat;
232
233
234 sp = uart_open(argv[1]);
235 if (sp == INVALID_SERIAL_PORT) {
236 printf("ERROR: invalid serial port\n");
237 marg.usb_present = 0;
238 offline = 1;
239 } else if (sp == CLAIMED_SERIAL_PORT) {
240 printf("ERROR: serial port is claimed by another process\n");
241 marg.usb_present = 0;
242 offline = 1;
243 } else {
244 marg.usb_present = 1;
245 offline = 0;
246 }
247
248 // If the user passed the filename of the 'script' to execute, get it
249 if (argc > 2 && argv[2]) {
250 if (argv[2][0] == 'f' && //buzzy, if a word 'flush' passed, flush the output after every log entry.
251 argv[2][1] == 'l' &&
252 argv[2][2] == 'u' &&
253 argv[2][3] == 's' &&
254 argv[2][4] == 'h')
255 {
256 printf("Output will be flushed after every print.\n");
257 flushAfterWrite = 1;
258 }
259 else {
260 marg.script_cmds_file = argv[2];
261 }
262 }
263
264 // create a mutex to avoid interlacing print commands from our different threads
265 pthread_mutex_init(&print_lock, NULL);
266
267 pthread_create(&main_loop_threat, NULL, &main_loop, &marg);
268 InitGraphics(argc, argv);
269
270 MainGraphics();
271
272 pthread_join(main_loop_threat, NULL);
273
274 // Clean up the port
275 if (offline == 0)
276 uart_close(sp);
277
278 // clean up mutex
279 pthread_mutex_destroy(&print_lock);
280
281 exit(0);
282}
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