proxmark3/client/cmdmain.c
iceman1001 c6be64da09 Some more nasty bugs fixed in the lf t55xx manchester_decode method.
ADD: a little function to see if GraphBuffer is not used.
2014-10-26 23:16:25 +01:00

296 lines
9.1 KiB
C

//-----------------------------------------------------------------------------
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// Main command parser entry point
//-----------------------------------------------------------------------------
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "sleep.h"
#include "cmdparser.h"
#include "proxmark3.h"
#include "data.h"
#include "../include/usb_cmd.h"
#include "ui.h"
#include "cmdhf.h"
#include "cmddata.h"
#include "cmdhw.h"
#include "cmdlf.h"
#include "cmdmain.h"
#include "util.h"
#include "cmdscript.h"
int delta125[2];
int delta134[2];
int deltahf[2];
int deltaReset = 0;
unsigned int current_command = CMD_UNKNOWN;
//unsigned int received_command = CMD_UNKNOWN;
//UsbCommand current_response;
//UsbCommand current_response_user;
static int CmdHelp(const char *Cmd);
static int CmdQuit(const char *Cmd);
//For storing command that are received from the device
#define CMD_BUFFER_SIZE 50
static UsbCommand cmdBuffer[CMD_BUFFER_SIZE];
//Points to the next empty position to write to
static int cmd_head;//Starts as 0
//Points to the position of the last unread command
static int cmd_tail;//Starts as 0
static command_t CommandTable[] =
{
{"help", CmdHelp, 1, "This help. Use '<command> help' for details of a particular command."},
{"data", CmdData, 1, "{ Plot window / data buffer manipulation... }"},
{"hf", CmdHF, 1, "{ High Frequency commands... }"},
{"hw", CmdHW, 1, "{ Hardware commands... }"},
{"lf", CmdLF, 1, "{ Low Frequency commands... }"},
{"script", CmdScript, 1,"{ Scripting commands }"},
{"quit", CmdQuit, 1, "Exit program"},
{"exit", CmdQuit, 1, "Exit program"},
{NULL, NULL, 0, NULL}
};
command_t* getTopLevelCommandTable()
{
return CommandTable;
}
int CmdHelp(const char *Cmd)
{
CmdsHelp(CommandTable);
return 0;
}
int CmdQuit(const char *Cmd)
{
exit(0);
return 0;
}
/**
* @brief This method should be called when sending a new command to the pm3. In case any old
* responses from previous commands are stored in the buffer, a call to this method should clear them.
* A better method could have been to have explicit command-ACKS, so we can know which ACK goes to which
* operation. Right now we'll just have to live with this.
*/
void clearCommandBuffer()
{
//This is a very simple operation
cmd_tail = cmd_head;
}
/**
* @brief storeCommand stores a USB command in a circular buffer
* @param UC
*/
void storeCommand(UsbCommand *command)
{
if( ( cmd_head+1) % CMD_BUFFER_SIZE == cmd_tail)
{
//If these two are equal, we're about to overwrite in the
// circular buffer.
PrintAndLog("WARNING: Command buffer about to overwrite command! This needs to be fixed!");
}
//Store the command at the 'head' location
UsbCommand* destination = &cmdBuffer[cmd_head];
memcpy(destination, command, sizeof(UsbCommand));
cmd_head = (cmd_head +1) % CMD_BUFFER_SIZE; //increment head and wrap
}
/**
* @brief getCommand gets a command from an internal circular buffer.
* @param response location to write command
* @return 1 if response was returned, 0 if nothing has been received
*/
int getCommand(UsbCommand* response)
{
//If head == tail, there's nothing to read, or if we just got initialized
if(cmd_head == cmd_tail){
return 0;
}
//Pick out the next unread command
UsbCommand* last_unread = &cmdBuffer[cmd_tail];
memcpy(response, last_unread, sizeof(UsbCommand));
//Increment tail - this is a circular buffer, so modulo buffer size
cmd_tail = (cmd_tail +1 ) % CMD_BUFFER_SIZE;
return 1;
}
/**
* Waits for a certain response type. This method waits for a maximum of
* ms_timeout milliseconds for a specified response command.
*@brief WaitForResponseTimeout
* @param cmd command to wait for
* @param response struct to copy received command into.
* @param ms_timeout
* @return true if command was returned, otherwise false
*/
bool WaitForResponseTimeout(uint32_t cmd, UsbCommand* response, size_t ms_timeout) {
if (response == NULL) {
UsbCommand resp;
response = &resp;
}
// Wait until the command is received
for(size_t dm_seconds=0; dm_seconds < ms_timeout/10; dm_seconds++) {
while(getCommand(response))
{
if(response->cmd == cmd){
//We got what we expected
return true;
}
}
msleep(10); // XXX ugh
if (dm_seconds == 200) { // Two seconds elapsed
PrintAndLog("Waiting for a response from the proxmark...");
PrintAndLog("Don't forget to cancel its operation first by pressing on the button");
}
}
return false;
}
bool WaitForResponse(uint32_t cmd, UsbCommand* response) {
return WaitForResponseTimeout(cmd,response,-1);
}
//-----------------------------------------------------------------------------
// Entry point into our code: called whenever the user types a command and
// then presses Enter, which the full command line that they typed.
//-----------------------------------------------------------------------------
void CommandReceived(char *Cmd) {
CmdsParse(CommandTable, Cmd);
}
//-----------------------------------------------------------------------------
// Entry point into our code: called whenever we received a packet over USB
// that we weren't necessarily expecting, for example a debug print.
//-----------------------------------------------------------------------------
void UsbCommandReceived(UsbCommand *UC)
{
/*
// Debug
printf("UsbCommand length[len=%zd]\n",sizeof(UsbCommand));
printf(" cmd[len=%zd]: %"llx"\n",sizeof(UC->cmd),UC->cmd);
printf(" arg0[len=%zd]: %"llx"\n",sizeof(UC->arg[0]),UC->arg[0]);
printf(" arg1[len=%zd]: %"llx"\n",sizeof(UC->arg[1]),UC->arg[1]);
printf(" arg2[len=%zd]: %"llx"\n",sizeof(UC->arg[2]),UC->arg[2]);
printf(" data[len=%zd]: %02x%02x%02x...\n",sizeof(UC->d.asBytes),UC->d.asBytes[0],UC->d.asBytes[1],UC->d.asBytes[2]);
*/
// printf("%s(%x) current cmd = %x\n", __FUNCTION__, c->cmd, current_command);
// If we recognize a response, return to avoid further processing
switch(UC->cmd) {
// First check if we are handling a debug message
case CMD_DEBUG_PRINT_STRING: {
char s[USB_CMD_DATA_SIZE+1];
size_t len = MIN(UC->arg[0],USB_CMD_DATA_SIZE);
memcpy(s,UC->d.asBytes,len);
s[len] = 0x00;
PrintAndLog("#db# %s ", s);
return;
} break;
case CMD_DEBUG_PRINT_INTEGERS: {
PrintAndLog("#db# %08x, %08x, %08x \r\n", UC->arg[0], UC->arg[1], UC->arg[2]);
return;
} break;
case CMD_MEASURED_ANTENNA_TUNING: {
int peakv, peakf;
int vLf125, vLf134, vHf;
vLf125 = UC->arg[0] & 0xffff;
vLf134 = UC->arg[0] >> 16;
vHf = UC->arg[1] & 0xffff;;
peakf = UC->arg[2] & 0xffff;
peakv = UC->arg[2] >> 16;
//Reset delta trigger every 3:d time
if ( deltaReset == 4){
delta125[0] = vLf125;
delta134[0] = vLf134;
deltahf[0] = vHf;
} else if ( deltaReset == 2){
delta125[1] = vLf125;
delta134[1] = vLf134;
deltahf[1] = vHf;
}
if ( deltaReset == 0){
}
PrintAndLog("");
PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125/1000.0);
PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134/1000.0);
PrintAndLog("# LF optimal: %5.2f V @ %9.2f kHz", peakv/1000.0, 12000.0/(peakf+1));
PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf/1000.0);
if (peakv<2000)
PrintAndLog("# Your LF antenna is unusable.");
else if (peakv<10000)
PrintAndLog("# Your LF antenna is marginal.");
if (vHf<2000)
PrintAndLog("# Your HF antenna is unusable.");
else if (vHf<5000)
PrintAndLog("# Your HF antenna is marginal.");
}
deltaReset = (deltaReset == 0) ? 4 : deltaReset>>1;
break;
case CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K: {
// printf("received samples: ");
// print_hex(UC->d.asBytes,512);
sample_buf_len += UC->arg[1];
// printf("samples: %zd offset: %d\n",sample_buf_len,UC->arg[0]);
memcpy(sample_buf+(UC->arg[0]),UC->d.asBytes,UC->arg[1]);
} break;
// case CMD_ACK: {
// PrintAndLog("Receive ACK\n");
// } break;
default: {
// Maybe it's a response
/*
switch(current_command) {
case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K: {
if (UC->cmd != CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K) {
PrintAndLog("unrecognized command %08x\n", UC->cmd);
break;
}
// int i;
PrintAndLog("received samples %d\n",UC->arg[0]);
memcpy(sample_buf+UC->arg[0],UC->d.asBytes,48);
sample_buf_len += 48;
// for(i=0; i<48; i++) sample_buf[i] = UC->d.asBytes[i];
//received_command = UC->cmd;
} break;
default: {
} break;
}*/
}
break;
}
storeCommand(UC);
}