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Fixed error pointed out here: https://code.google.com/p/proxmark3/issues/detail?id...
[proxmark3-svn] / client / cmdmain.c
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a553f267 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
7fe9b0b7 11#include <stdio.h>
12#include <stdlib.h>
13#include <unistd.h>
14#include <string.h>
91c38cf7 15#include "sleep.h"
7fe9b0b7 16#include "cmdparser.h"
902cb3c0 17#include "proxmark3.h"
7fe9b0b7 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"
9440213d 26#include "util.h"
7fe9b0b7 27
28unsigned int current_command = CMD_UNKNOWN;
ab7a8ea1 29//unsigned int received_command = CMD_UNKNOWN;
30//UsbCommand current_response;
31//UsbCommand current_response_user;
7fe9b0b7 32
33static int CmdHelp(const char *Cmd);
34static int CmdQuit(const char *Cmd);
35
a808a224 36//For storing command that are received from the device
37#define CMD_BUFFER_SIZE 50
38static UsbCommand cmdBuffer[CMD_BUFFER_SIZE];
39//Points to the next empty position to write to
40static int cmd_head;//Starts as 0
41//Points to the position of the last unread command
42static int cmd_tail = -1;//Starts as -1
43
7fe9b0b7 44static command_t CommandTable[] =
45{
c37d2e70 46 {"help", CmdHelp, 1, "This help. Use '<command> help' for details of the following commands:\n"},
37239a7c 47 {"data", CmdData, 1, "{ Plot window / data buffer manipulation... }"},
7fe9b0b7 48 {"exit", CmdQuit, 1, "Exit program"},
37239a7c 49 {"hf", CmdHF, 1, "{ HF commands... }"},
50 {"hw", CmdHW, 1, "{ Hardware commands... }"},
51 {"lf", CmdLF, 1, "{ LF commands... }"},
7fe9b0b7 52 {"quit", CmdQuit, 1, "Quit program"},
53 {NULL, NULL, 0, NULL}
54};
55
56int CmdHelp(const char *Cmd)
57{
58 CmdsHelp(CommandTable);
59 return 0;
60}
61
62int CmdQuit(const char *Cmd)
63{
64 exit(0);
65 return 0;
66}
a808a224 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 */
902cb3c0 76bool WaitForResponseTimeout(uint32_t cmd, UsbCommand* response, size_t ms_timeout) {
ab7a8ea1 77
78 if (response == NULL) {
79 UsbCommand resp;
80 response = &resp;
81 }
534983d7 82
a808a224 83 // Wait until the command is received
84 for(size_t dm_seconds=0; dm_seconds < ms_timeout/10; dm_seconds++) {
534983d7 85
a808a224 86 if(getCommand(response) && response->cmd == cmd){
87 //We got what we expected
88 return true;
89 }
90 msleep(10); // XXX ugh
91 if (dm_seconds == 200) { // Two seconds elapsed
92 PrintAndLog("Waiting for a response from the proxmark...");
93 PrintAndLog("Don't forget to cancel its operation first by pressing on the button");
94 }
95 }
96 return false;
534983d7 97}
98
902cb3c0 99bool WaitForResponse(uint32_t cmd, UsbCommand* response) {
100 return WaitForResponseTimeout(cmd,response,-1);
7fe9b0b7 101}
102
103//-----------------------------------------------------------------------------
104// Entry point into our code: called whenever the user types a command and
105// then presses Enter, which the full command line that they typed.
106//-----------------------------------------------------------------------------
902cb3c0 107void CommandReceived(char *Cmd) {
7fe9b0b7 108 CmdsParse(CommandTable, Cmd);
109}
110
111//-----------------------------------------------------------------------------
112// Entry point into our code: called whenever we received a packet over USB
113// that we weren't necessarily expecting, for example a debug print.
114//-----------------------------------------------------------------------------
115void UsbCommandReceived(UsbCommand *UC)
116{
79a73ab2 117 /*
9440213d 118 // Debug
79a73ab2 119 printf("UsbCommand length[len=%zd]\n",sizeof(UsbCommand));
125a98a1 120 printf(" cmd[len=%zd]: %"llx"\n",sizeof(UC->cmd),UC->cmd);
121 printf(" arg0[len=%zd]: %"llx"\n",sizeof(UC->arg[0]),UC->arg[0]);
122 printf(" arg1[len=%zd]: %"llx"\n",sizeof(UC->arg[1]),UC->arg[1]);
123 printf(" arg2[len=%zd]: %"llx"\n",sizeof(UC->arg[2]),UC->arg[2]);
79a73ab2 124 printf(" data[len=%zd]: %02x%02x%02x...\n",sizeof(UC->d.asBytes),UC->d.asBytes[0],UC->d.asBytes[1],UC->d.asBytes[2]);
125 */
9440213d 126
7fe9b0b7 127 // printf("%s(%x) current cmd = %x\n", __FUNCTION__, c->cmd, current_command);
9440213d 128 // If we recognize a response, return to avoid further processing
7fe9b0b7 129 switch(UC->cmd) {
9440213d 130 // First check if we are handling a debug message
7fe9b0b7 131 case CMD_DEBUG_PRINT_STRING: {
9440213d 132 char s[USB_CMD_DATA_SIZE+1];
133 size_t len = MIN(UC->arg[0],USB_CMD_DATA_SIZE);
134 memcpy(s,UC->d.asBytes,len);
135 s[len] = 0x00;
ab8b654e 136 PrintAndLog("#db# %s ", s);
7fe9b0b7 137 return;
db09cb3a 138 } break;
7fe9b0b7 139
db09cb3a 140 case CMD_DEBUG_PRINT_INTEGERS: {
ab8b654e 141 PrintAndLog("#db# %08x, %08x, %08x \r\n", UC->arg[0], UC->arg[1], UC->arg[2]);
7fe9b0b7 142 return;
db09cb3a 143 } break;
7fe9b0b7 144
145 case CMD_MEASURED_ANTENNA_TUNING: {
146 int peakv, peakf;
147 int vLf125, vLf134, vHf;
148 vLf125 = UC->arg[0] & 0xffff;
149 vLf134 = UC->arg[0] >> 16;
150 vHf = UC->arg[1] & 0xffff;;
151 peakf = UC->arg[2] & 0xffff;
152 peakv = UC->arg[2] >> 16;
153 PrintAndLog("");
7fe9b0b7 154 PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125/1000.0);
155 PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134/1000.0);
156 PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1));
157 PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf/1000.0);
158 if (peakv<2000)
159 PrintAndLog("# Your LF antenna is unusable.");
160 else if (peakv<10000)
161 PrintAndLog("# Your LF antenna is marginal.");
162 if (vHf<2000)
163 PrintAndLog("# Your HF antenna is unusable.");
164 else if (vHf<5000)
165 PrintAndLog("# Your HF antenna is marginal.");
db09cb3a 166 } break;
167
902cb3c0 168 case CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K: {
169// printf("received samples: ");
170// print_hex(UC->d.asBytes,512);
171 sample_buf_len += UC->arg[1];
172// printf("samples: %zd offset: %d\n",sample_buf_len,UC->arg[0]);
173 memcpy(sample_buf+(UC->arg[0]),UC->d.asBytes,UC->arg[1]);
174 } break;
175
176
177// case CMD_ACK: {
178// PrintAndLog("Receive ACK\n");
179// } break;
180
db09cb3a 181 default: {
182 // Maybe it's a response
ab7a8ea1 183 /*
db09cb3a 184 switch(current_command) {
185 case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K: {
186 if (UC->cmd != CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K) {
187 PrintAndLog("unrecognized command %08x\n", UC->cmd);
188 break;
189 }
902cb3c0 190// int i;
191 PrintAndLog("received samples %d\n",UC->arg[0]);
192 memcpy(sample_buf+UC->arg[0],UC->d.asBytes,48);
193 sample_buf_len += 48;
194// for(i=0; i<48; i++) sample_buf[i] = UC->d.asBytes[i];
ab7a8ea1 195 //received_command = UC->cmd;
db09cb3a 196 } break;
197
198 default: {
199 } break;
ab7a8ea1 200 }*/
201 }
202 break;
7fe9b0b7 203 }
a808a224 204
205 storeCommand(UC);
206
207}
208/**
209 * @brief storeCommand stores a USB command in a circular buffer
210 * @param UC
211 */
212void storeCommand(UsbCommand *command)
213{
214 if(cmd_head == cmd_tail)
215 {
216 //If these two are equal, we're about to overwrite in the
217 // circular buffer.
218 PrintAndLog("WARNING: Command buffer about to overwrite command! This needs to be fixed!");
219 }
220 //Store the command at the 'head' location
221 UsbCommand* destination = &cmdBuffer[cmd_head];
222 memcpy(destination, command, sizeof(UsbCommand));
223
224 //Also, if cmd_tail is still -1 because the buffer was
225 // previously empty, set it to head
226 if(cmd_tail < 0) {
227 cmd_tail = cmd_head;
228 }
229
230 cmd_head++; //increment head
231 cmd_head %= CMD_BUFFER_SIZE;//wrap around
232
233}
234/**
235 * @brief getCommand gets a command from an internal circular buffer.
236 * @param response location to write command
237 * @return 1 if response was returned, 0 if nothing has been received
db09cb3a 238 */
a808a224 239int getCommand(UsbCommand* response)
240{
241 //If head == tail, there's nothing to read, or if we just got initialized
242 if(cmd_head == cmd_tail || cmd_tail == -1){
243 return 0;
244 }
245 //Pick out the next unread command
246 UsbCommand* last_unread = &cmdBuffer[cmd_tail];
247 memcpy(response, last_unread, sizeof(UsbCommand));
248 //Increment tail - this is a circular buffer, so modulo buffer size
249 cmd_tail = (cmd_tail +1 ) % CMD_BUFFER_SIZE;
250 //In order to detect when the buffer overwrites itself, we set the
251 // tail to -1 whenever it 'catches up' with head : this means the buffer is empty.
252 // Otherwise, head==tail could mean both: either empty or full.
253 if(cmd_tail == cmd_head){
254 cmd_tail = -1 ;
255 }
256
257 return 1;
258
c37d2e70 259}
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