mirror of
https://github.com/Proxmark/proxmark3.git
synced 2024-11-11 18:17:46 +08:00
acf0582d53
- don't use clock(). It has different functionalities in Windows and Linux - move sleep functions to util.h
264 lines
8 KiB
C
264 lines
8 KiB
C
//-----------------------------------------------------------------------------
|
|
//
|
|
// 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.
|
|
//-----------------------------------------------------------------------------
|
|
// Low frequency Presco tag commands
|
|
//-----------------------------------------------------------------------------
|
|
#include <string.h>
|
|
#include <inttypes.h>
|
|
#include <stdio.h>
|
|
#include "cmdlfpresco.h"
|
|
#include "proxmark3.h"
|
|
#include "ui.h"
|
|
#include "util.h"
|
|
#include "graph.h"
|
|
#include "cmdparser.h"
|
|
#include "cmddata.h"
|
|
#include "cmdmain.h"
|
|
#include "cmdlf.h"
|
|
#include "protocols.h" // for T55xx config register definitions
|
|
#include "lfdemod.h" // parityTest
|
|
|
|
static int CmdHelp(const char *Cmd);
|
|
|
|
int usage_lf_presco_clone(void){
|
|
PrintAndLog("clone a Presco tag to a T55x7 tag.");
|
|
PrintAndLog("Usage: lf presco clone d <Card-ID> H <hex-ID> <Q5>");
|
|
PrintAndLog("Options :");
|
|
PrintAndLog(" d <Card-ID> : 9 digit presco card ID");
|
|
PrintAndLog(" H <hex-ID> : 8 digit hex card number");
|
|
PrintAndLog(" <Q5> : specify write to Q5 (t5555 instead of t55x7)");
|
|
PrintAndLog("");
|
|
PrintAndLog("Sample : lf presco clone d 123456789");
|
|
return 0;
|
|
}
|
|
|
|
int usage_lf_presco_sim(void) {
|
|
PrintAndLog("Enables simulation of presco card with specified card number.");
|
|
PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
|
|
PrintAndLog("Per presco format, the card number is 9 digit number and can contain *# chars. Larger values are truncated.");
|
|
PrintAndLog("");
|
|
PrintAndLog("Usage: lf presco sim d <Card-ID> or H <hex-ID>");
|
|
PrintAndLog("Options :");
|
|
PrintAndLog(" d <Card-ID> : 9 digit presco card number");
|
|
PrintAndLog(" H <hex-ID> : 8 digit hex card number");
|
|
PrintAndLog("");
|
|
PrintAndLog("Sample : lf presco sim d 123456789");
|
|
return 0;
|
|
}
|
|
|
|
// convert base 12 ID to sitecode & usercode & 8 bit other unknown code
|
|
int GetWiegandFromPresco(const char *Cmd, uint32_t *sitecode, uint32_t *usercode, uint32_t *fullcode, bool *Q5) {
|
|
|
|
uint8_t val = 0;
|
|
bool hex = false, errors = false;
|
|
uint8_t cmdp = 0;
|
|
char id[11];
|
|
int stringlen = 0;
|
|
while(param_getchar(Cmd, cmdp) != 0x00) {
|
|
switch(param_getchar(Cmd, cmdp)) {
|
|
case 'h':
|
|
return -1;
|
|
case 'H':
|
|
hex = true;
|
|
//get hex
|
|
*fullcode = param_get32ex(Cmd, cmdp+1, 0, 10);
|
|
cmdp+=2;
|
|
break;
|
|
case 'P':
|
|
case 'p':
|
|
//param get string int param_getstr(const char *line, int paramnum, char * str)
|
|
stringlen = param_getstr(Cmd, cmdp+1, id);
|
|
if (stringlen < 2) return -1;
|
|
cmdp+=2;
|
|
break;
|
|
case 'Q':
|
|
case 'q':
|
|
*Q5 = true;
|
|
cmdp++;
|
|
break;
|
|
default:
|
|
PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
|
|
errors = 1;
|
|
break;
|
|
}
|
|
if(errors) break;
|
|
}
|
|
// No args
|
|
if(cmdp == 0) errors = 1;
|
|
|
|
//Validations
|
|
if(errors) return -1;
|
|
|
|
if (!hex) {
|
|
for (int index =0; index < strlen(id); ++index) {
|
|
// Get value from number string.
|
|
if ( id[index] == '*' ) val = 10;
|
|
if ( id[index] == '#') val = 11;
|
|
if ( id[index] >= 0x30 && id[index] <= 0x39 )
|
|
val = id[index] - 0x30;
|
|
|
|
*fullcode += val;
|
|
|
|
// last digit is only added, not multipled.
|
|
if ( index < strlen(id)-1 )
|
|
*fullcode *= 12;
|
|
}
|
|
}
|
|
|
|
*usercode = *fullcode & 0x0000FFFF; //% 65566
|
|
*sitecode = (*fullcode >> 24) & 0x000000FF; // /= 16777216;
|
|
return 0;
|
|
}
|
|
|
|
// calc not certain - intended to get bitstream for programming / sim
|
|
int GetPrescoBits(uint32_t fullcode, uint8_t *prescoBits) {
|
|
num_to_bytebits(0x10D00000, 32, prescoBits);
|
|
num_to_bytebits(0x00000000, 32, prescoBits+32);
|
|
num_to_bytebits(0x00000000, 32, prescoBits+64);
|
|
num_to_bytebits(fullcode , 32, prescoBits+96);
|
|
return 1;
|
|
}
|
|
|
|
//see ASKDemod for what args are accepted
|
|
int CmdPrescoDemod(const char *Cmd) {
|
|
if (!ASKDemod(Cmd, false, false, 1)) {
|
|
if (g_debugMode) PrintAndLog("ASKDemod failed");
|
|
return 0;
|
|
}
|
|
size_t size = DemodBufferLen;
|
|
//call lfdemod.c demod for Viking
|
|
int ans = PrescoDemod(DemodBuffer, &size);
|
|
if (ans < 0) {
|
|
if (g_debugMode) PrintAndLog("Error Presco_Demod %d", ans);
|
|
return 0;
|
|
}
|
|
//got a good demod
|
|
uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans, 32);
|
|
uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32);
|
|
uint32_t raw3 = bytebits_to_byte(DemodBuffer+ans+64, 32);
|
|
uint32_t raw4 = bytebits_to_byte(DemodBuffer+ans+96, 32);
|
|
uint32_t cardid = raw4;
|
|
PrintAndLog("Presco Tag Found: Card ID %08X", cardid);
|
|
PrintAndLog("Raw: %08X%08X%08X%08X", raw1,raw2,raw3,raw4);
|
|
setDemodBuf(DemodBuffer+ans, 128, 0);
|
|
|
|
uint32_t sitecode = 0, usercode = 0, fullcode = 0;
|
|
bool Q5=false;
|
|
char cmd[12] = {0};
|
|
sprintf(cmd, "H %08X", cardid);
|
|
GetWiegandFromPresco(cmd, &sitecode, &usercode, &fullcode, &Q5);
|
|
PrintAndLog("SiteCode %u, UserCode %u, FullCode, %08X", sitecode, usercode, fullcode);
|
|
|
|
return 1;
|
|
}
|
|
|
|
//see ASKDemod for what args are accepted
|
|
int CmdPrescoRead(const char *Cmd) {
|
|
// Presco Number: 123456789 --> Sitecode 30 | usercode 8665
|
|
|
|
// read lf silently
|
|
CmdLFRead("s");
|
|
// get samples silently
|
|
getSamples("30000",false);
|
|
// demod and output Presco ID
|
|
return CmdPrescoDemod(Cmd);
|
|
}
|
|
|
|
// takes base 12 ID converts to hex
|
|
// Or takes 8 digit hex ID
|
|
int CmdPrescoClone(const char *Cmd) {
|
|
|
|
bool Q5 = false;
|
|
uint32_t sitecode=0, usercode=0, fullcode=0;
|
|
uint32_t blocks[5] = {T55x7_MODULATION_MANCHESTER | T55x7_BITRATE_RF_32 | 4<<T55x7_MAXBLOCK_SHIFT | T55x7_ST_TERMINATOR, 0, 0, 0, 5};
|
|
|
|
// get wiegand from printed number.
|
|
if (GetWiegandFromPresco(Cmd, &sitecode, &usercode, &fullcode, &Q5) == -1) return usage_lf_presco_clone();
|
|
|
|
if (Q5)
|
|
blocks[0] = T5555_MODULATION_MANCHESTER | ((32-2)>>1)<<T5555_BITRATE_SHIFT | 4<<T5555_MAXBLOCK_SHIFT | T5555_ST_TERMINATOR;
|
|
|
|
if ((sitecode & 0xFF) != sitecode) {
|
|
sitecode &= 0xFF;
|
|
PrintAndLog("Facility-Code Truncated to 8-bits (Presco): %u", sitecode);
|
|
}
|
|
|
|
if ((usercode & 0xFFFF) != usercode) {
|
|
usercode &= 0xFFFF;
|
|
PrintAndLog("Card Number Truncated to 16-bits (Presco): %u", usercode);
|
|
}
|
|
|
|
blocks[1] = 0x10D00000; //preamble
|
|
blocks[2] = 0x00000000;
|
|
blocks[3] = 0x00000000;
|
|
blocks[4] = fullcode;
|
|
|
|
PrintAndLog("Preparing to clone Presco to T55x7 with SiteCode: %u, UserCode: %u, FullCode: %08x", sitecode, usercode, fullcode);
|
|
PrintAndLog("Blk | Data ");
|
|
PrintAndLog("----+------------");
|
|
PrintAndLog(" 00 | 0x%08x", blocks[0]);
|
|
PrintAndLog(" 01 | 0x%08x", blocks[1]);
|
|
PrintAndLog(" 02 | 0x%08x", blocks[2]);
|
|
PrintAndLog(" 03 | 0x%08x", blocks[3]);
|
|
PrintAndLog(" 04 | 0x%08x", blocks[4]);
|
|
|
|
UsbCommand resp;
|
|
UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
|
|
|
|
for (int i=4; i>=0; i--) {
|
|
c.arg[0] = blocks[i];
|
|
c.arg[1] = i;
|
|
clearCommandBuffer();
|
|
SendCommand(&c);
|
|
if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
|
|
PrintAndLog("Error occurred, device did not respond during write operation.");
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// takes base 12 ID converts to hex
|
|
// Or takes 8 digit hex ID
|
|
int CmdPrescoSim(const char *Cmd) {
|
|
uint32_t sitecode=0, usercode=0, fullcode=0;
|
|
bool Q5=false;
|
|
// get wiegand from printed number.
|
|
if (GetWiegandFromPresco(Cmd, &sitecode, &usercode, &fullcode, &Q5) == -1) return usage_lf_presco_sim();
|
|
|
|
uint8_t clk = 32, encoding = 1, separator = 1, invert = 0;
|
|
uint16_t arg1, arg2;
|
|
size_t size = 128;
|
|
arg1 = clk << 8 | encoding;
|
|
arg2 = invert << 8 | separator;
|
|
|
|
PrintAndLog("Simulating Presco - SiteCode: %u, UserCode: %u, FullCode: %08X",sitecode, usercode, fullcode);
|
|
|
|
UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
|
|
GetPrescoBits(fullcode, c.d.asBytes);
|
|
clearCommandBuffer();
|
|
SendCommand(&c);
|
|
return 0;
|
|
}
|
|
|
|
static command_t CommandTable[] = {
|
|
{"help", CmdHelp, 1, "This help"},
|
|
{"read", CmdPrescoRead, 0, "Attempt to read and Extract tag data"},
|
|
{"clone", CmdPrescoClone, 0, "d <9 digit ID> or h <hex> [Q5] clone presco tag"},
|
|
{"sim", CmdPrescoSim, 0, "d <9 digit ID> or h <hex> simulate presco tag"},
|
|
{NULL, NULL, 0, NULL}
|
|
};
|
|
|
|
int CmdLFPresco(const char *Cmd) {
|
|
clearCommandBuffer();
|
|
CmdsParse(CommandTable, Cmd);
|
|
return 0;
|
|
}
|
|
|
|
int CmdHelp(const char *Cmd) {
|
|
CmdsHelp(CommandTable);
|
|
return 0;
|
|
}
|