]> git.zerfleddert.de Git - proxmark3-svn/blob - client/cmdmain.c
7f34d54396b690963d78fd71926d7c68ae817124
[proxmark3-svn] / client / cmdmain.c
1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
3 //
4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
5 // at your option, any later version. See the LICENSE.txt file for the text of
6 // the license.
7 //-----------------------------------------------------------------------------
8 // Main command parser entry point
9 //-----------------------------------------------------------------------------
10
11 #include <stdio.h>
12 #include <stdlib.h>
13 #include <unistd.h>
14 #include <string.h>
15 #include "sleep.h"
16 #include "cmdparser.h"
17 #include "proxmark3.h"
18 #include "data.h"
19 #include "usb_cmd.h"
20 #include "ui.h"
21 #include "cmdhf.h"
22 #include "cmddata.h"
23 #include "cmdhw.h"
24 #include "cmdlf.h"
25 #include "cmdmain.h"
26 #include "util.h"
27
28 unsigned int current_command = CMD_UNKNOWN;
29 unsigned int received_command = CMD_UNKNOWN;
30 UsbCommand current_response;
31 UsbCommand current_response_user;
32
33 static int CmdHelp(const char *Cmd);
34 static int CmdQuit(const char *Cmd);
35
36 //For storing command that are received from the device
37 #define CMD_BUFFER_SIZE 50
38 static UsbCommand cmdBuffer[CMD_BUFFER_SIZE];
39 //Points to the next empty position to write to
40 static int cmd_head;//Starts as 0
41 //Points to the position of the last unread command
42 static int cmd_tail = -1;//Starts as -1
43
44 static command_t CommandTable[] =
45 {
46 {"help", CmdHelp, 1, "This help. Use '<command> help' for details of the following commands:\n"},
47 {"data", CmdData, 1, "{ Plot window / data buffer manipulation... }"},
48 {"exit", CmdQuit, 1, "Exit program"},
49 {"hf", CmdHF, 1, "{ HF commands... }"},
50 {"hw", CmdHW, 1, "{ Hardware commands... }"},
51 {"lf", CmdLF, 1, "{ LF commands... }"},
52 {"quit", CmdQuit, 1, "Quit program"},
53 {NULL, NULL, 0, NULL}
54 };
55
56 int CmdHelp(const char *Cmd)
57 {
58 CmdsHelp(CommandTable);
59 return 0;
60 }
61
62 int CmdQuit(const char *Cmd)
63 {
64 exit(0);
65 return 0;
66 }
67 /**
68 * Waits for a certain response type. This method waits for a maximum of
69 * ms_timeout milliseconds for a specified response command.
70 *@brief WaitForResponseTimeout
71 * @param cmd command to wait for
72 * @param response struct to copy received command into.
73 * @param ms_timeout
74 * @return true if command was returned, otherwise false
75 */
76 bool WaitForResponseTimeout(uint32_t cmd, UsbCommand* response, size_t ms_timeout) {
77
78 // Wait until the command is received
79 for(size_t dm_seconds=0; dm_seconds < ms_timeout/10; dm_seconds++) {
80
81 if(getCommand(response) && response->cmd == cmd){
82 //We got what we expected
83 return true;
84 }
85 msleep(10); // XXX ugh
86 if (dm_seconds == 200) { // Two seconds elapsed
87 PrintAndLog("Waiting for a response from the proxmark...");
88 PrintAndLog("Don't forget to cancel its operation first by pressing on the button");
89 }
90 }
91 return false;
92 }
93
94 bool WaitForResponse(uint32_t cmd, UsbCommand* response) {
95 return WaitForResponseTimeout(cmd,response,-1);
96 }
97
98 //-----------------------------------------------------------------------------
99 // Entry point into our code: called whenever the user types a command and
100 // then presses Enter, which the full command line that they typed.
101 //-----------------------------------------------------------------------------
102 void CommandReceived(char *Cmd) {
103 CmdsParse(CommandTable, Cmd);
104 }
105
106 //-----------------------------------------------------------------------------
107 // Entry point into our code: called whenever we received a packet over USB
108 // that we weren't necessarily expecting, for example a debug print.
109 //-----------------------------------------------------------------------------
110 void UsbCommandReceived(UsbCommand *UC)
111 {
112 /*
113 // Debug
114 printf("UsbCommand length[len=%zd]\n",sizeof(UsbCommand));
115 printf(" cmd[len=%zd]: %"llx"\n",sizeof(UC->cmd),UC->cmd);
116 printf(" arg0[len=%zd]: %"llx"\n",sizeof(UC->arg[0]),UC->arg[0]);
117 printf(" arg1[len=%zd]: %"llx"\n",sizeof(UC->arg[1]),UC->arg[1]);
118 printf(" arg2[len=%zd]: %"llx"\n",sizeof(UC->arg[2]),UC->arg[2]);
119 printf(" data[len=%zd]: %02x%02x%02x...\n",sizeof(UC->d.asBytes),UC->d.asBytes[0],UC->d.asBytes[1],UC->d.asBytes[2]);
120 */
121
122 // printf("%s(%x) current cmd = %x\n", __FUNCTION__, c->cmd, current_command);
123 // If we recognize a response, return to avoid further processing
124 switch(UC->cmd) {
125 // First check if we are handling a debug message
126 case CMD_DEBUG_PRINT_STRING: {
127 char s[USB_CMD_DATA_SIZE+1];
128 size_t len = MIN(UC->arg[0],USB_CMD_DATA_SIZE);
129 memcpy(s,UC->d.asBytes,len);
130 s[len] = 0x00;
131 PrintAndLog("#db# %s ", s);
132 return;
133 } break;
134
135 case CMD_DEBUG_PRINT_INTEGERS: {
136 PrintAndLog("#db# %08x, %08x, %08x \r\n", UC->arg[0], UC->arg[1], UC->arg[2]);
137 return;
138 } break;
139
140 case CMD_MEASURED_ANTENNA_TUNING: {
141 int peakv, peakf;
142 int vLf125, vLf134, vHf;
143 vLf125 = UC->arg[0] & 0xffff;
144 vLf134 = UC->arg[0] >> 16;
145 vHf = UC->arg[1] & 0xffff;;
146 peakf = UC->arg[2] & 0xffff;
147 peakv = UC->arg[2] >> 16;
148 PrintAndLog("");
149 PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125/1000.0);
150 PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134/1000.0);
151 PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1));
152 PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf/1000.0);
153 if (peakv<2000)
154 PrintAndLog("# Your LF antenna is unusable.");
155 else if (peakv<10000)
156 PrintAndLog("# Your LF antenna is marginal.");
157 if (vHf<2000)
158 PrintAndLog("# Your HF antenna is unusable.");
159 else if (vHf<5000)
160 PrintAndLog("# Your HF antenna is marginal.");
161 } break;
162
163 case CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K: {
164 // printf("received samples: ");
165 // print_hex(UC->d.asBytes,512);
166 sample_buf_len += UC->arg[1];
167 // printf("samples: %zd offset: %d\n",sample_buf_len,UC->arg[0]);
168 memcpy(sample_buf+(UC->arg[0]),UC->d.asBytes,UC->arg[1]);
169 } break;
170
171
172 // case CMD_ACK: {
173 // PrintAndLog("Receive ACK\n");
174 // } break;
175
176 default: {
177 // Maybe it's a response
178 switch(current_command) {
179 case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K: {
180 if (UC->cmd != CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K) {
181 PrintAndLog("unrecognized command %08x\n", UC->cmd);
182 break;
183 }
184 // int i;
185 PrintAndLog("received samples %d\n",UC->arg[0]);
186 memcpy(sample_buf+UC->arg[0],UC->d.asBytes,48);
187 sample_buf_len += 48;
188 // for(i=0; i<48; i++) sample_buf[i] = UC->d.asBytes[i];
189 received_command = UC->cmd;
190 } break;
191
192 default: {
193 } break;
194 }
195 } break;
196 }
197
198 storeCommand(UC);
199
200 }
201 /**
202 * @brief storeCommand stores a USB command in a circular buffer
203 * @param UC
204 */
205 void storeCommand(UsbCommand *command)
206 {
207 if(cmd_head == cmd_tail)
208 {
209 //If these two are equal, we're about to overwrite in the
210 // circular buffer.
211 PrintAndLog("WARNING: Command buffer about to overwrite command! This needs to be fixed!");
212 }
213 //Store the command at the 'head' location
214 UsbCommand* destination = &cmdBuffer[cmd_head];
215 memcpy(destination, command, sizeof(UsbCommand));
216
217 //Also, if cmd_tail is still -1 because the buffer was
218 // previously empty, set it to head
219 if(cmd_tail < 0) {
220 cmd_tail = cmd_head;
221 }
222
223 cmd_head++; //increment head
224 cmd_head %= CMD_BUFFER_SIZE;//wrap around
225
226 }
227 /**
228 * @brief getCommand gets a command from an internal circular buffer.
229 * @param response location to write command
230 * @return 1 if response was returned, 0 if nothing has been received
231 */
232 int getCommand(UsbCommand* response)
233 {
234 //If head == tail, there's nothing to read, or if we just got initialized
235 if(cmd_head == cmd_tail || cmd_tail == -1){
236 return 0;
237 }
238 //Pick out the next unread command
239 UsbCommand* last_unread = &cmdBuffer[cmd_tail];
240 memcpy(response, last_unread, sizeof(UsbCommand));
241 //Increment tail - this is a circular buffer, so modulo buffer size
242 cmd_tail = (cmd_tail +1 ) % CMD_BUFFER_SIZE;
243 //In order to detect when the buffer overwrites itself, we set the
244 // tail to -1 whenever it 'catches up' with head : this means the buffer is empty.
245 // Otherwise, head==tail could mean both: either empty or full.
246 if(cmd_tail == cmd_head){
247 cmd_tail = -1 ;
248 }
249
250 return 1;
251
252 }
Impressum, Datenschutz