CHG: this timing should be quite good. needs to be verified.

[proxmark3-svn] / client / cmdlfawid.c

diff --git a/client/cmdlfawid.c b/client/cmdlfawid.c
index 43f54a6ffd5169d331b0f59754237528388d1375..fefc6e0af1a2b6a15d921ddb81668f1ae5bdf231 100644 (file)
--- a/client/cmdlfawid.c
+++ b/client/cmdlfawid.c
@@ -7,19 +7,9 @@
 // at your option, any later version. See the LICENSE.txt file for the text of
 // the license.
 //-----------------------------------------------------------------------------
 // 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 "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);
 
  
 static int CmdHelp(const char *Cmd);
 


@@ -29,13 +19,13 @@ int usage_lf_awid_fskdemod(void) {
        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("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("      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;
 }
 
        return 0;
 }
 


@@ -44,13 +34,13 @@ int usage_lf_awid_sim(void) {
        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("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("  <facility-code> :  8|16bit value facility code");
        PrintAndLog("    <card number> :  16|32-bit value card number");
        PrintAndLog("");
        PrintAndLog("                h :  This help");  
        PrintAndLog("         <format> :  format length 26|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("       lf awid sim 26 224 1337");
        PrintAndLog("       lf awid sim 50 2001 13371337");
        return 0;


@@ -61,14 +51,14 @@ int usage_lf_awid_clone(void) {
        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("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("  <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("                h :  This help");  
        PrintAndLog("         <format> :  format length 26|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;
        PrintAndLog("       lf awid clone 26 224 1337");
        PrintAndLog("       lf awid clone 50 2001 13371337");
        return 0;


@@ -76,21 +66,56 @@ int usage_lf_awid_clone(void) {
 
 int usage_lf_awid_brute(void){
        PrintAndLog("Enables bruteforce of AWID reader with specified facility-code.");
 
 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("");

-       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("");

-       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;
 }
 
        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();
 int CmdAWIDDemodFSK(const char *Cmd) {
        int findone = 0;
        if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_awid_fskdemod();


@@ -269,34 +294,66 @@ int CmdAWIDClone(const char *Cmd) {
 
 int CmdAWIDBrute(const char *Cmd){
        
 
 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);
        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;
        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;
                        }
                        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;
        }
                        }
                        break;
        }


@@ -304,45 +361,38 @@ int CmdAWIDBrute(const char *Cmd){
        PrintAndLog("Bruteforceing AWID %d Reader", fmtlen);
        PrintAndLog("Press pm3-button to abort simulation or press key");
 
        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()) {
                if (ukbhit()) {

-                       UsbCommand resp;
-                       UsbCommand ping = {CMD_PING};
-                       clearCommandBuffer();
-                       SendCommand(&ping);
-                       if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {
-                               PrintAndLog("aborted via keyboard!");
-                               return 0;
-                       }
-                       PrintAndLog("Device didnt respond to ABORT");
-                       return 1;
+                       PrintAndLog("aborted via keyboard!");
+                       return sendPing();

                }
                }

-
-               PrintAndLog("Trying FC: %u; CN: %u", fc, cn);           
-               if ( !getAWIDBits(fmtlen, fc, cn, bs)) {
-                       PrintAndLog("Error with tag bitstream generation.");
-                       return 1;
-               }       
-               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"},
        }
        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, "<format> <facility-code> <delay> -- bruteforce card number given a FC"},
+       {"fskdemod",  CmdAWIDDemodFSK, 0, "Realtime AWID FSK demodulator"},
+       {"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}
 };
 
        {NULL, NULL, 0, NULL}
 };