]> cvs.zerfleddert.de Git - proxmark3-svn/blame - client/cmdmain.c
add reveng-1.30
[proxmark3-svn] / client / cmdmain.c
CommitLineData
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"
1d59cd8d 27#include "cmdscript.h"
fe81b478 28#include "cmdcrc.h"
7fe9b0b7 29
e772353f 30
7fe9b0b7 31unsigned int current_command = CMD_UNKNOWN;
7fe9b0b7 32
33static int CmdHelp(const char *Cmd);
34static int CmdQuit(const char *Cmd);
35
fd368d18 36//For storing command that are received from the device
fd368d18 37static UsbCommand cmdBuffer[CMD_BUFFER_SIZE];
38//Points to the next empty position to write to
39static int cmd_head;//Starts as 0
40//Points to the position of the last unread command
41static int cmd_tail;//Starts as 0
42
7fe9b0b7 43static command_t CommandTable[] =
44{
57c69556 45 {"help", CmdHelp, 1, "This help. Use '<command> help' for details of a particular command."},
fe81b478 46 {"crc", CmdCrc, 1, "Crc calculations from the software reveng1-30"},
37239a7c 47 {"data", CmdData, 1, "{ Plot window / data buffer manipulation... }"},
fe81b478 48 {"hf", CmdHF, 1, "{ High Frequency commands... }"},
37239a7c 49 {"hw", CmdHW, 1, "{ Hardware commands... }"},
fe81b478 50 {"lf", CmdLF, 1, "{ Low Frequency commands... }"},
51 {"script",CmdScript,1,"{ Scripting commands }"},
57c69556
MHS
52 {"quit", CmdQuit, 1, "Exit program"},
53 {"exit", CmdQuit, 1, "Exit program"},
7fe9b0b7 54 {NULL, NULL, 0, NULL}
55};
56
57c69556
MHS
57command_t* getTopLevelCommandTable()
58{
59 return CommandTable;
60}
7fe9b0b7 61int CmdHelp(const char *Cmd)
62{
63 CmdsHelp(CommandTable);
64 return 0;
65}
66
67int CmdQuit(const char *Cmd)
68{
69 exit(0);
70 return 0;
71}
42daa759 72/**
73 * @brief This method should be called when sending a new command to the pm3. In case any old
74 * responses from previous commands are stored in the buffer, a call to this method should clear them.
75 * A better method could have been to have explicit command-ACKS, so we can know which ACK goes to which
76 * operation. Right now we'll just have to live with this.
77 */
78void clearCommandBuffer()
79{
80 //This is a very simple operation
81 cmd_tail = cmd_head;
82}
83
84/**
85 * @brief storeCommand stores a USB command in a circular buffer
86 * @param UC
87 */
88void storeCommand(UsbCommand *command)
89{
90 if( ( cmd_head+1) % CMD_BUFFER_SIZE == cmd_tail)
91 {
92 //If these two are equal, we're about to overwrite in the
93 // circular buffer.
94 PrintAndLog("WARNING: Command buffer about to overwrite command! This needs to be fixed!");
95 }
96 //Store the command at the 'head' location
97 UsbCommand* destination = &cmdBuffer[cmd_head];
98 memcpy(destination, command, sizeof(UsbCommand));
99
100 cmd_head = (cmd_head +1) % CMD_BUFFER_SIZE; //increment head and wrap
101
102}
103/**
104 * @brief getCommand gets a command from an internal circular buffer.
105 * @param response location to write command
106 * @return 1 if response was returned, 0 if nothing has been received
107 */
108int getCommand(UsbCommand* response)
109{
110 //If head == tail, there's nothing to read, or if we just got initialized
111 if(cmd_head == cmd_tail){
112 return 0;
113 }
114 //Pick out the next unread command
115 UsbCommand* last_unread = &cmdBuffer[cmd_tail];
116 memcpy(response, last_unread, sizeof(UsbCommand));
117 //Increment tail - this is a circular buffer, so modulo buffer size
118 cmd_tail = (cmd_tail +1 ) % CMD_BUFFER_SIZE;
119
120 return 1;
121
122}
123
fd368d18 124/**
125 * Waits for a certain response type. This method waits for a maximum of
126 * ms_timeout milliseconds for a specified response command.
127 *@brief WaitForResponseTimeout
128 * @param cmd command to wait for
129 * @param response struct to copy received command into.
130 * @param ms_timeout
131 * @return true if command was returned, otherwise false
132 */
902cb3c0 133bool WaitForResponseTimeout(uint32_t cmd, UsbCommand* response, size_t ms_timeout) {
fd368d18 134
90e278d3 135 UsbCommand resp;
b915fda3 136
9484ff3d 137 if (response == NULL)
fd368d18 138 response = &resp;
9484ff3d 139
b915fda3 140
fd368d18 141 // Wait until the command is received
142 for(size_t dm_seconds=0; dm_seconds < ms_timeout/10; dm_seconds++) {
143
9484ff3d 144 while(getCommand(response)) {
fd368d18 145 if(response->cmd == cmd){
fd368d18 146 return true;
147 }
fd368d18 148 }
149 msleep(10); // XXX ugh
150 if (dm_seconds == 200) { // Two seconds elapsed
151 PrintAndLog("Waiting for a response from the proxmark...");
152 PrintAndLog("Don't forget to cancel its operation first by pressing on the button");
153 }
154 }
155 return false;
534983d7 156}
157
902cb3c0 158bool WaitForResponse(uint32_t cmd, UsbCommand* response) {
159 return WaitForResponseTimeout(cmd,response,-1);
7fe9b0b7 160}
161
162//-----------------------------------------------------------------------------
163// Entry point into our code: called whenever the user types a command and
164// then presses Enter, which the full command line that they typed.
165//-----------------------------------------------------------------------------
902cb3c0 166void CommandReceived(char *Cmd) {
7fe9b0b7 167 CmdsParse(CommandTable, Cmd);
168}
169
170//-----------------------------------------------------------------------------
171// Entry point into our code: called whenever we received a packet over USB
172// that we weren't necessarily expecting, for example a debug print.
173//-----------------------------------------------------------------------------
174void UsbCommandReceived(UsbCommand *UC)
175{
9484ff3d 176 switch(UC->cmd) {
177 // First check if we are handling a debug message
178 case CMD_DEBUG_PRINT_STRING: {
179 char s[USB_CMD_DATA_SIZE+1] = {0x00};
180 size_t len = MIN(UC->arg[0],USB_CMD_DATA_SIZE);
181 memcpy(s,UC->d.asBytes,len);
182 PrintAndLog("#db# %s ", s);
183 return;
184 } break;
185
186 case CMD_DEBUG_PRINT_INTEGERS: {
187 PrintAndLog("#db# %08x, %08x, %08x \r\n", UC->arg[0], UC->arg[1], UC->arg[2]);
188 return;
189 } break;
190
191 case CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K: {
9484ff3d 192 memcpy(sample_buf+(UC->arg[0]),UC->d.asBytes,UC->arg[1]);
193 } break;
902cb3c0 194
3fe4ff4f 195 default:
9484ff3d 196 break;
197 }
fd368d18 198
9484ff3d 199 storeCommand(UC);
fd368d18 200}
201
Impressum, Datenschutz