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FIX: Coverity scan fixes, hard to keep track of stringlengths while reading and...
[proxmark3-svn] / client / proxmark3.c
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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 int newlen = strlen(script_cmd_buf);
147 if ((cmd = (char*) malloc( newlen + 1)) != NULL) {
148 memset(cmd, 0x00, newlen);
149 strcpy(cmd, script_cmd_buf);
150 printf("%s\n", cmd);
151 }
152 }
153 } else {
154 cmd = readline(PROXPROMPT);
155 }
156
157 if (cmd) {
158
159 while(cmd[strlen(cmd) - 1] == ' ')
160 cmd[strlen(cmd) - 1] = 0x00;
161
162 if (cmd[0] != 0x00) {
163 int ret = CommandReceived(cmd);
164 add_history(cmd);
165
166 // exit or quit
167 if (ret == 99)
168 break;
169 }
170 } else {
171 printf("\n");
172 break;
173 }
174 free(cmd);
175 }
176
177 if (script_file) {
178 fclose(script_file);
179 script_file = NULL;
180 }
181
182 write_history(".history");
183
184 free(cmd);
185
186 if (arg->usb_present == 1) {
187 rarg.run = 0;
188 pthread_join(reader_thread, NULL);
189 }
190
191 ExitGraphics();
192 pthread_exit(NULL);
193 return NULL;
194}
195
196static void dumpAllHelp(int markdown)
197{
198 printf("\n%sProxmark3 command dump%s\n\n",markdown?"# ":"",markdown?"":"\n======================");
199 printf("Some commands are available only if a Proxmark is actually connected.%s\n",markdown?" ":"");
200 printf("Check column \"offline\" for their availability.\n");
201 printf("\n");
202 command_t *cmds = getTopLevelCommandTable();
203 dumpCommandsRecursive(cmds, markdown);
204}
205
206int main(int argc, char* argv[]) {
207 srand(time(0));
208
209 if (argc < 2) {
210 printf("syntax: %s <port>\n\n",argv[0]);
211 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
212 printf("help: %s -h\n\n", argv[0]);
213 printf("\tDump all interactive help at once\n");
214 printf("markdown: %s -m\n\n", argv[0]);
215 printf("\tDump all interactive help at once in markdown syntax\n");
216 return 1;
217 }
218 if (strcmp(argv[1], "-h") == 0) {
219 printf("syntax: %s <port>\n\n",argv[0]);
220 printf("\tLinux example:'%s /dev/ttyACM0'\n\n", argv[0]);
221 dumpAllHelp(0);
222 return 0;
223 }
224 if (strcmp(argv[1], "-m") == 0) {
225 dumpAllHelp(1);
226 return 0;
227 }
228 // Make sure to initialize
229 struct main_loop_arg marg = {
230 .usb_present = 0,
231 .script_cmds_file = NULL
232 };
233
234 pthread_t main_loop_threat;
235
236
237 sp = uart_open(argv[1]);
238 if (sp == INVALID_SERIAL_PORT) {
239 printf("ERROR: invalid serial port\n");
240 marg.usb_present = 0;
241 offline = 1;
242 } else if (sp == CLAIMED_SERIAL_PORT) {
243 printf("ERROR: serial port is claimed by another process\n");
244 marg.usb_present = 0;
245 offline = 1;
246 } else {
247 marg.usb_present = 1;
248 offline = 0;
249 }
250
251 // If the user passed the filename of the 'script' to execute, get it
252 if (argc > 2 && argv[2]) {
253 if (argv[2][0] == 'f' && //buzzy, if a word 'flush' passed, flush the output after every log entry.
254 argv[2][1] == 'l' &&
255 argv[2][2] == 'u' &&
256 argv[2][3] == 's' &&
257 argv[2][4] == 'h')
258 {
259 printf("Output will be flushed after every print.\n");
260 flushAfterWrite = 1;
261 }
262 else {
263 marg.script_cmds_file = argv[2];
264 }
265 }
266
267 // create a mutex to avoid interlacing print commands from our different threads
268 pthread_mutex_init(&print_lock, NULL);
269
270 pthread_create(&main_loop_threat, NULL, &main_loop, &marg);
271 InitGraphics(argc, argv);
272
273 MainGraphics();
274
275 pthread_join(main_loop_threat, NULL);
276
277 // Clean up the port
278 if (offline == 0)
279 uart_close(sp);
280
281 // clean up mutex
282 pthread_mutex_destroy(&print_lock);
283
284 exit(0);
285}
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