// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
-// Low frequency AWID26 commands
+// Low frequency AWID26/50 commands
//-----------------------------------------------------------------------------
-
-#include <stdio.h> // sscanf
-#include "proxmark3.h" // Definitions, USB controls, etc
-#include "ui.h" // PrintAndLog
-#include "cmdparser.h" // CmdsParse, CmdsHelp
#include "cmdlfawid.h" // AWID function declarations
-#include "lfdemod.h" // parityTest
-#include "util.h" // weigandparity
-#include "protocols.h" // for T55xx config register definitions
-#include "cmdmain.h"
-#include "sleep.h"
static int CmdHelp(const char *Cmd);
PrintAndLog("If the [1] option is provided, reader mode is exited after reading a single AWID card.");
PrintAndLog("");
PrintAndLog("Usage: lf awid fskdemod [h] [1]");
- PrintAndLog("Options :");
+ PrintAndLog("Options:");
PrintAndLog(" h : This help");
PrintAndLog(" 1 : (optional) stop after reading a single card");
PrintAndLog("");
- PrintAndLog("Samples");
- PrintAndLog(" lf awid fskdemod");
- PrintAndLog(" lf awid fskdemod 1");
+ PrintAndLog("Samples:");
+ PrintAndLog(" lf awid fskdemod");
+ PrintAndLog(" lf awid fskdemod 1");
return 0;
}
PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
PrintAndLog("");
PrintAndLog("Usage: lf awid sim [h] <format> <facility-code> <card-number>");
- PrintAndLog("Options :");
+ PrintAndLog("Options:");
PrintAndLog(" h : This help");
- PrintAndLog(" <format> : format length 26|50");
+ PrintAndLog(" <format> : format length 26|34|37|50");
PrintAndLog(" <facility-code> : 8|16bit value facility code");
PrintAndLog(" <card number> : 16|32-bit value card number");
PrintAndLog("");
- PrintAndLog("Samples");
+ PrintAndLog("Samples:");
PrintAndLog(" lf awid sim 26 224 1337");
PrintAndLog(" lf awid sim 50 2001 13371337");
return 0;
PrintAndLog("The T55x7 must be on the antenna when issuing this command. T55x7 blocks are calculated and printed in the process.");
PrintAndLog("");
PrintAndLog("Usage: lf awid clone [h] <format> <facility-code> <card-number> [Q5]");
- PrintAndLog("Options :");
+ PrintAndLog("Options:");
PrintAndLog(" h : This help");
- PrintAndLog(" <format> : format length 26|50");
+ PrintAndLog(" <format> : format length 26|34|37|50");
PrintAndLog(" <facility-code> : 8|16bit value facility code");
PrintAndLog(" <card number> : 16|32-bit value card number");
PrintAndLog(" Q5 : optional - clone to Q5 (T5555) instead of T55x7 chip");
PrintAndLog("");
- PrintAndLog("Samples");
+ PrintAndLog("Samples:");
PrintAndLog(" lf awid clone 26 224 1337");
PrintAndLog(" lf awid clone 50 2001 13371337");
return 0;
int usage_lf_awid_brute(void){
PrintAndLog("Enables bruteforce of AWID reader with specified facility-code.");
- PrintAndLog("This is a incremental attack against reader.");
+ PrintAndLog("This is a attack against reader. if cardnumber is given, it starts with it and goes up / down one step");
+ PrintAndLog("if cardnumber is not given, it starts with 1 and goes up to 65535");
PrintAndLog("");
- PrintAndLog("Usage: lf awid brute [h] <format> <facility-code> <delay>");
- PrintAndLog("Options :");
- PrintAndLog(" h : This help");
- PrintAndLog(" <format> : format length 26|50");
- PrintAndLog(" <facility-code> : 8|16bit value facility code");
- PrintAndLog(" <delay> : delay betweens attempts in ms. Default 1000ms");
+ PrintAndLog("Usage: lf awid brute [h] a <format> f <facility-code> c <cardnumber> d <delay>");
+ PrintAndLog("Options:");
+ PrintAndLog(" h : This help");
+ PrintAndLog(" a <format> : format length 26|50");
+ PrintAndLog(" f <facility-code> : 8|16bit value facility code");
+ PrintAndLog(" c <cardnumber> : (optional) cardnumber to start with, max 65535");
+ PrintAndLog(" d <delay> : delay betweens attempts in ms. Default 1000ms");
PrintAndLog("");
- PrintAndLog("Samples");
- PrintAndLog(" lf awid brute 26 224");
- PrintAndLog(" lf awid brute 50 2001 2000");
+ PrintAndLog("Samples:");
+ PrintAndLog(" lf awid brute a 26 f 224");
+ PrintAndLog(" lf awid brute a 50 f 2001 d 2000");
+ PrintAndLog(" lf awid brute a 50 f 2001 c 200 d 2000");
return 0;
}
+static int sendPing(void){
+ UsbCommand ping = {CMD_PING, {1, 2, 3}};
+ SendCommand(&ping);
+ SendCommand(&ping);
+ SendCommand(&ping);
+ clearCommandBuffer();
+ UsbCommand resp;
+ if (WaitForResponseTimeout(CMD_ACK, &resp, 1000))
+ return 0;
+ return 1;
+}
+
+static bool sendTry(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint32_t delay, uint8_t *bs, size_t bs_len){
+
+ PrintAndLog("Trying FC: %u; CN: %u", fc, cn);
+ if ( !getAWIDBits(fmtlen, fc, cn, bs)) {
+ PrintAndLog("Error with tag bitstream generation.");
+ return FALSE;
+ }
+
+ uint64_t arg1 = (10<<8) + 8; // fcHigh = 10, fcLow = 8
+ uint64_t arg2 = 50; // clk RF/50 invert=0
+ UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, bs_len}};
+ memcpy(c.d.asBytes, bs, bs_len);
+ clearCommandBuffer();
+ SendCommand(&c);
+ msleep(delay);
+ sendPing();
+ return TRUE;
+}
+
int CmdAWIDDemodFSK(const char *Cmd) {
- int findone = 0;
- if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_awid_fskdemod();
- if (Cmd[0] == '1') findone = 1;
+ if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_awid_fskdemod();
+ uint8_t findone = (Cmd[0] == '1') ? 1 : 0;
UsbCommand c = {CMD_AWID_DEMOD_FSK, {findone, 0, 0}};
clearCommandBuffer();
SendCommand(&c);
return 0;
}
+int CmdAWIDRead(const char *Cmd) {
+ CmdLFRead("s");
+ getSamples("12000", TRUE);
+ return CmdFSKdemodAWID(Cmd);
+}
+
//refactored by marshmellow
int getAWIDBits(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint8_t *bits) {
num_to_bytebits(fmtlen, 8, pre);
// add facilitycode, cardnumber and wiegand parity bits
- if ( fmtlen == 26 ) {
- uint8_t wiegand[24];
- num_to_bytebits(fc, 8, wiegand);
- num_to_bytebits(cn, 16, wiegand+8);
- wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
- } else {
- uint8_t wiegand[48];
- num_to_bytebits(fc, 16, wiegand);
- num_to_bytebits(cn, 32, wiegand+16);
- wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
+ switch (fmtlen) {
+ case 26:{
+ uint8_t wiegand[24];
+ num_to_bytebits(fc, 8, wiegand);
+ num_to_bytebits(cn, 16, wiegand+8);
+ wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
+ break;
+ }
+ case 34:{
+ uint8_t wiegand[32];
+ num_to_bytebits(fc, 8, wiegand);
+ num_to_bytebits(cn, 24, wiegand+8);
+ wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
+ break;
+ }
+ case 37:{
+ uint8_t wiegand[31];
+ num_to_bytebits(fc, 13, wiegand);
+ num_to_bytebits(cn, 18, wiegand+13);
+ wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
+ break;
+ }
+ case 50: {
+ uint8_t wiegand[48];
+ num_to_bytebits(fc, 16, wiegand);
+ num_to_bytebits(cn, 32, wiegand+16);
+ wiegand_add_parity(pre+8, wiegand, sizeof(wiegand));
+ break;
+ }
}
// add AWID 4bit parity
return 1;
}
+static void verify_values(uint8_t *fmtlen, uint32_t *fc, uint32_t *cn){
+ switch (*fmtlen) {
+ case 50:
+ if ((*fc & 0xFFFF) != *fc) {
+ *fc &= 0xFFFF;
+ PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", *fc);
+ }
+ break;
+ case 37:
+ if ((*fc & 0x1FFF) != *fc) {
+ *fc &= 0x1FFF;
+ PrintAndLog("Facility-Code Truncated to 13-bits (AWID37): %u", *fc);
+ }
+ if ((*cn & 0x3FFFF) != *cn) {
+ *cn &= 0x3FFFF;
+ PrintAndLog("Card Number Truncated to 18-bits (AWID37): %u", *cn);
+ }
+ break;
+ case 34:
+ if ((*fc & 0xFF) != *fc) {
+ *fc &= 0xFF;
+ PrintAndLog("Facility-Code Truncated to 8-bits (AWID34): %u", *fc);
+ }
+ if ((*cn & 0xFFFFFF) != *cn) {
+ *cn &= 0xFFFFFF;
+ PrintAndLog("Card Number Truncated to 24-bits (AWID34): %u", *cn);
+ }
+ break;
+ case 26:
+ default:
+ *fmtlen = 26;
+ if ((*fc & 0xFF) != *fc) {
+ *fc &= 0xFF;
+ PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", *fc);
+ }
+ if ((*cn & 0xFFFF) != *cn) {
+ *cn &= 0xFFFF;
+ PrintAndLog("Card Number Truncated to 16-bits (AWID26): %u", *cn);
+ }
+ break;
+ }
+}
+
int CmdAWIDSim(const char *Cmd) {
uint32_t fc = 0, cn = 0;
uint8_t fmtlen = 0;
cn = param_get32ex(Cmd, 2, 0, 10);
if ( !fc || !cn) return usage_lf_awid_sim();
- switch(fmtlen) {
- case 26:
- if ((fc & 0xFF) != fc) {
- fc &= 0xFF;
- PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
- }
-
- if ((cn & 0xFFFF) != cn) {
- cn &= 0xFFFF;
- PrintAndLog("Card Number Truncated to 16-bits (AWID26): %u", cn);
- }
- break;
- case 50:
- if ((fc & 0xFFFF) != fc) {
- fc &= 0xFFFF;
- PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
- }
- break;
- default: break;
- }
+ verify_values(&fmtlen, &fc, &cn);
PrintAndLog("Emulating AWID %u -- FC: %u; CN: %u\n", fmtlen, fc, cn);
PrintAndLog("Press pm3-button to abort simulation or run another command");
if ( !fc || !cn) return usage_lf_awid_clone();
- switch(fmtlen) {
- case 50:
- if ((fc & 0xFFFF) != fc) {
- fc &= 0xFFFF;
- PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
- }
- break;
- default:
- fmtlen = 26;
- if ((fc & 0xFF) != fc) {
- fc &= 0xFF;
- PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
- }
-
- if ((cn & 0xFFFF) != cn) {
- cn &= 0xFFFF;
- PrintAndLog("Card Number Truncated to 16-bits (AWID26): %u", cn);
- }
- break;
- }
-
- if (param_getchar(Cmd, 4) == 'Q' || param_getchar(Cmd, 4) == 'q')
+ if (param_getchar(Cmd, 3) == 'Q' || param_getchar(Cmd, 3) == 'q')
//t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
- blocks[0] = T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | 50<<T5555_BITRATE_SHIFT | 3<<T5555_MAXBLOCK_SHIFT;
+ blocks[0] = T5555_MODULATION_FSK2 | T5555_INVERT_OUTPUT | ((50-2)>>1) << T5555_BITRATE_SHIFT | 3<<T5555_MAXBLOCK_SHIFT;
+ verify_values(&fmtlen, &fc, &cn);
+
if ( !getAWIDBits(fmtlen, fc, cn, bs)) {
PrintAndLog("Error with tag bitstream generation.");
return 1;
c.arg[1] = i;
clearCommandBuffer();
SendCommand(&c);
- if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)){
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, T55XX_WRITE_TIMEOUT)){
PrintAndLog("Error occurred, device did not respond during write operation.");
return -1;
}
int CmdAWIDBrute(const char *Cmd){
- uint32_t fc = 0, delay = 1000;
+ bool errors = false;
+ uint32_t fc = 0, cn = 0, delay = 1000;
uint8_t fmtlen = 0;
uint8_t bits[96];
uint8_t *bs = bits;
size_t size = sizeof(bits);
memset(bs, 0x00, size);
-
- char cmdp = param_getchar(Cmd, 0);
- if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_awid_brute();
-
- fmtlen = param_get8(Cmd, 0);
- fc = param_get32ex(Cmd, 1, 0, 10);
- if ( !fc ) return usage_lf_awid_brute();
-
- // delay between attemps, defaults to 1000ms.
- delay = param_get32ex(Cmd, 2, 1000, 10);
+ uint8_t cmdp = 0;
+ while(param_getchar(Cmd, cmdp) != 0x00 && !errors) {
+ switch(param_getchar(Cmd, cmdp)) {
+ case 'h':
+ case 'H':
+ return usage_lf_awid_brute();
+ case 'f':
+ case 'F':
+ fc = param_get32ex(Cmd ,cmdp+1, 0, 10);
+ if ( !fc )
+ errors = true;
+ cmdp += 2;
+ break;
+ case 'd':
+ case 'D':
+ // delay between attemps, defaults to 1000ms.
+ delay = param_get32ex(Cmd, cmdp+1, 1000, 10);
+ cmdp += 2;
+ break;
+ case 'c':
+ case 'C':
+ cn = param_get32ex(Cmd, cmdp+1, 0, 10);
+ // truncate cardnumber.
+ cn &= 0xFFFF;
+ cmdp += 2;
+ break;
+ case 'a':
+ case 'A':
+ fmtlen = param_get8(Cmd, cmdp+1);
+ cmdp += 2;
+ break;
+ default:
+ PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp));
+ errors = true;
+ break;
+ }
+ }
+ if ( fc == 0 )errors = true;
+ if ( errors ) return usage_lf_awid_brute();
+
+ // limit fc according to selected format
switch(fmtlen) {
case 50:
if ((fc & 0xFFFF) != fc) {
fc &= 0xFFFF;
- PrintAndLog("Facility-Code Truncated to 16-bits (AWID50): %u", fc);
+ PrintAndLog("Facility-code truncated to 16-bits (AWID50): %u", fc);
}
break;
default:
if ((fc & 0xFF) != fc) {
fc &= 0xFF;
- PrintAndLog("Facility-Code Truncated to 8-bits (AWID26): %u", fc);
+ PrintAndLog("Facility-code truncated to 8-bits (AWID26): %u", fc);
}
break;
}
PrintAndLog("Bruteforceing AWID %d Reader", fmtlen);
PrintAndLog("Press pm3-button to abort simulation or press key");
- uint64_t arg1 = (10<<8) + 8; // fcHigh = 10, fcLow = 8
- uint64_t arg2 = 50; // clk RF/50 invert=0
- UsbCommand c = {CMD_FSK_SIM_TAG, {arg1, arg2, size}};
-
- for ( uint16_t cn = 1; cn < 0xFFFF; ++cn){
-
+ uint16_t up = cn;
+ uint16_t down = cn;
+
+ for (;;){
+
+ if ( offline ) {
+ printf("Device offline\n");
+ return 2;
+ }
if (ukbhit()) {
PrintAndLog("aborted via keyboard!");
- UsbCommand ping = {CMD_PING};
- clearCommandBuffer();
- SendCommand(&ping);
- return 1;
+ return sendPing();
}
-
- PrintAndLog("Trying FC: %u; CN: %u", fc, cn);
- (void)getAWIDBits(fmtlen, fc, cn, bs);
- memcpy(c.d.asBytes, bs, size);
- clearCommandBuffer();
- SendCommand(&c);
- msleep(delay);
+ // Do one up
+ if ( up < 0xFFFF )
+ if ( !sendTry(fmtlen, fc, up++, delay, bs, size)) return 1;
+
+ // Do one down (if cardnumber is given)
+ if ( cn > 1 )
+ if ( down > 1 )
+ if ( !sendTry(fmtlen, fc, --down, delay, bs, size)) return 1;
}
return 0;
}
static command_t CommandTable[] = {
{"help", CmdHelp, 1, "This help"},
- {"fskdemod", CmdAWIDDemodFSK, 0, "['1'] Realtime AWID FSK demodulator (option '1' for one tag only)"},
- {"sim", CmdAWIDSim, 0, "<Facility-Code> <Card Number> -- AWID tag simulator"},
- {"clone", CmdAWIDClone, 0, "<Facility-Code> <Card Number> <Q5> -- Clone AWID to T55x7"},
- {"brute", CmdAWIDBrute, 0, "<Facility-Code> -- bruteforce card number"},
+ {"fskdemod", CmdAWIDDemodFSK, 0, "Realtime AWID FSK demodulator"},
+ {"read", CmdAWIDRead, 0, "Attempt to read and extract tag data"},
+ {"sim", CmdAWIDSim, 0, "AWID tag simulator"},
+ {"clone", CmdAWIDClone, 0, "Clone AWID to T55x7"},
+ {"brute", CmdAWIDBrute, 0, "Bruteforce card number against reader"},
{NULL, NULL, 0, NULL}
};
projects / proxmark3-svn / blobdiff