lf presco help and command loop !=

[proxmark3-svn] / client / cmdlfpresco.c

diff --git a/client/cmdlfpresco.c b/client/cmdlfpresco.c
index 20b42bc1a7c473de2fb5cac4bee337b4a43c94c5..29fc81f278cc6522a1c0e4f86186fc16030370b5 100644 (file)
--- a/client/cmdlfpresco.c
+++ b/client/cmdlfpresco.c
@@ -5,20 +5,34 @@
 // the license.
 //-----------------------------------------------------------------------------
 // Low frequency Presco tag commands
 // the license.
 //-----------------------------------------------------------------------------
 // Low frequency Presco tag commands

+// ASK/Manchester, rf/32, 128 bits (complete)

 //-----------------------------------------------------------------------------
 #include <string.h>
 #include <inttypes.h>
 //-----------------------------------------------------------------------------
 #include <string.h>
 #include <inttypes.h>

+#include <stdio.h>

 #include "cmdlfpresco.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.");
 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 <Card ID - 9 digits> <Q5>");
+       PrintAndLog("Usage: lf presco clone d <Card-ID> H <hex-ID> <Q5>");

        PrintAndLog("Options :");
        PrintAndLog("Options :");

-       PrintAndLog("  <Card Number>  : 9 digit presco card number");
-       //PrintAndLog("  <Q5>           : specify write to Q5 (t5555 instead of t55x7)");
+       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("");

-       PrintAndLog("Sample  : lf presco clone 123456789");
+       PrintAndLog("Sample  : lf presco clone d 123456789");

        return 0;
 }
 
        return 0;
 }
 


@@ -27,53 +41,88 @@ int usage_lf_presco_sim(void) {
        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("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 <Card-Number>");
+       PrintAndLog("Usage:  lf presco sim d <Card-ID> or H <hex-ID>");

        PrintAndLog("Options :");
        PrintAndLog("Options :");

-       PrintAndLog("  <Card Number>   : 9 digit presco card number");
+       PrintAndLog("  d <Card-ID>   : 9 digit presco card number");
+       PrintAndLog("  H <hex-ID>    : 8 digit hex card number");

        PrintAndLog("");
        PrintAndLog("");

-       PrintAndLog("Sample  : lf presco sim 123456789");
+       PrintAndLog("Sample  : lf presco sim d 123456789");

        return 0;
 }
 
        return 0;
 }
 

-// calc checksum
-int GetWiegandFromPresco(const char *id, uint32_t *sitecode, uint32_t *usercode) {
-       
+// 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;
        uint8_t val = 0;

-       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;
-               
-               *sitecode += val;
-               
-               // last digit is only added, not multipled.
-               if ( index < strlen(id)-1 ) 
-                       *sitecode *= 12;
+       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 'D':
+                       case 'd':
+                               //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;

        }
        }

-       *usercode = *sitecode % 65536;
-       *sitecode /= 16777216;
-       return 0;
-}
+       // No args
+       if(cmdp == 0) errors = 1;

 
 

-int GetPrescoBits(uint32_t sitecode, uint32_t usercode, uint8_t        *prescoBits) {
-       uint8_t pre[66];
-       memset(pre, 0, sizeof(pre));
-       prescoBits[7]=1;
-       num_to_bytebits(26, 8, pre);
+       //Validations
+       if(errors || (stringlen == 0 && !hex) ) return -1;

 
 

-       uint8_t wiegand[24];
-       num_to_bytebits(sitecode, 8, wiegand);
-       num_to_bytebits(usercode, 16, wiegand+8);
+       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;
+               }
+       }

 
 

-       wiegand_add_parity(pre+8, wiegand, 24);
-       size_t bitLen = addParity(pre, prescoBits+8, 66, 4, 1);
+       *usercode = *fullcode & 0x0000FFFF; //% 65566
+       *sitecode = (*fullcode >> 24) & 0x000000FF;  // /= 16777216;
+       return 0;
+}

 
 

-       if (bitLen != 88) 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;
 }
        return 1;
 }

+

 //see ASKDemod for what args are accepted
 int CmdPrescoDemod(const char *Cmd) {
        if (!ASKDemod(Cmd, false, false, 1)) {
 //see ASKDemod for what args are accepted
 int CmdPrescoDemod(const char *Cmd) {
        if (!ASKDemod(Cmd, false, false, 1)) {


@@ -81,7 +130,7 @@ int CmdPrescoDemod(const char *Cmd) {
                return 0;
        }
        size_t size = DemodBufferLen;
                return 0;
        }
        size_t size = DemodBufferLen;

-       //call lfdemod.c demod for Viking
+       //call lfdemod.c demod for presco

        int ans = PrescoDemod(DemodBuffer, &size);
        if (ans < 0) {
                if (g_debugMode) PrintAndLog("Error Presco_Demod %d", ans);
        int ans = PrescoDemod(DemodBuffer, &size);
        if (ans < 0) {
                if (g_debugMode) PrintAndLog("Error Presco_Demod %d", ans);


@@ -90,47 +139,48 @@ int CmdPrescoDemod(const char *Cmd) {
        //got a good demod
        uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans, 32);
        uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32);
        //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 cardid = bytebits_to_byte(DemodBuffer+ans+24, 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("Presco Tag Found: Card ID %08X", cardid);

-       PrintAndLog("Raw: %08X%08X", raw1,raw2);
-       setDemodBuf(DemodBuffer+ans, 64, 0);
-       
-       // uint32_t sitecode = 0, usercode = 0;
-       // GetWiegandFromPresco(id, &sitecode, &usercode);
-       // PrintAndLog8("SiteCode %d  |  UserCode %d", sitecode, usercode);
-       
+       PrintAndLog("Raw: %08X%08X%08X%08X", raw1,raw2,raw3,raw4);
+       setDemodBuf(DemodBuffer, 128, ans);
+       setClockGrid(g_DemodClock, g_DemodStartIdx + (ans*g_DemodClock));
+
+       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) {
        return 1;
 }
 
 //see ASKDemod for what args are accepted
 int CmdPrescoRead(const char *Cmd) {

-       //      Presco Number: 123456789 --> Sitecode 30 | usercode 8665
+       // Presco Number: 123456789 --> Sitecode 30 | usercode 8665

 
        // read lf silently
 
        // read lf silently

-       CmdLFRead("s");
-       // get samples silently
-       getSamples("30000",false);
+       lf_read(true, 10000);

        // demod and output Presco ID   
        return CmdPrescoDemod(Cmd);
 }
 
        // 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) {
 
 int CmdPrescoClone(const char *Cmd) {
 

-       char cmdp = param_getchar(Cmd, 0);
-       if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_presco_clone();
-
-       uint32_t sitecode=0, usercode=0;
-       uint8_t bits[96];
-       uint8_t *bs = bits;
-       memset(bs,0,sizeof(bits));
+       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};
        
        uint32_t blocks[5] = {T55x7_MODULATION_MANCHESTER | T55x7_BITRATE_RF_32 | 4<<T55x7_MAXBLOCK_SHIFT | T55x7_ST_TERMINATOR, 0, 0, 0, 5};
        

-       if (param_getchar(Cmd, 3) == 'Q' || param_getchar(Cmd, 3) == 'q')
-               blocks[0] = T5555_MODULATION_MANCHESTER | 32<<T5555_BITRATE_SHIFT | 4<<T5555_MAXBLOCK_SHIFT | T5555_ST_TERMINATOR;
-

        // get wiegand from printed number.
        // get wiegand from printed number.

-       GetWiegandFromPresco(Cmd, &sitecode, &usercode);
-       
+       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 ((sitecode & 0xFF) != sitecode) {
                sitecode &= 0xFF;
                PrintAndLog("Facility-Code Truncated to 8-bits (Presco): %u", sitecode);


@@ -141,17 +191,12 @@ int CmdPrescoClone(const char *Cmd) {
                PrintAndLog("Card Number Truncated to 16-bits (Presco): %u", usercode);
        }
        
                PrintAndLog("Card Number Truncated to 16-bits (Presco): %u", usercode);
        }
        

-       if ( !GetPrescoBits(sitecode, usercode, bs)) {
-               PrintAndLog("Error with tag bitstream generation.");
-               return 1;
-       }       
-
-       blocks[1] = bytebits_to_byte(bs,32);
-       blocks[2] = bytebits_to_byte(bs+32,32);
-       blocks[3] = bytebits_to_byte(bs+64,32);
-       blocks[4] = bytebits_to_byte(bs+96,32);
+       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", sitecode, usercode);
+       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("Blk | Data ");
        PrintAndLog("----+------------");
        PrintAndLog(" 00 | 0x%08x", blocks[0]);


@@ -159,56 +204,52 @@ int CmdPrescoClone(const char *Cmd) {
        PrintAndLog(" 02 | 0x%08x", blocks[2]);
        PrintAndLog(" 03 | 0x%08x", blocks[3]); 
        PrintAndLog(" 04 | 0x%08x", blocks[4]); 
        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 (uint8_t i=0; i<5; 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;
-}

 
 

-int CmdPrescoSim(const char *Cmd) {
-       // uint32_t id = 0;
-       // uint64_t rawID = 0;
-       // uint8_t clk = 32, encoding = 1, separator = 0, invert = 0;
+       UsbCommand resp;
+       UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};

 
 

-       // char cmdp = param_getchar(Cmd, 0);
-       // if (strlen(Cmd) == 0 || cmdp == 'h' || cmdp == 'H') return usage_lf_presco_sim();
+       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;
+}

 
 

-       // id = param_get32ex(Cmd, 0, 0, 16);
-       // if (id == 0) return usage_lf_presco_sim();
+// 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();

 
 

-       //rawID = getVikingBits(id);
+       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;

 
 

-       // uint16_t arg1, arg2;
-       // size_t size = 64;
-       // arg1 = clk << 8 | encoding;
-       // arg2 = invert << 8 | separator;
+       PrintAndLog("Simulating Presco - SiteCode: %u, UserCode: %u, FullCode: %08X",sitecode, usercode, fullcode);

 
 

-       // PrintAndLog("Simulating - ID: %08X, Raw: %08X%08X",id,(uint32_t)(rawID >> 32),(uint32_t) (rawID & 0xFFFFFFFF));
-       
-       // UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
-       // num_to_bytebits(rawID, size, c.d.asBytes);
-       // clearCommandBuffer();
-       // SendCommand(&c);
+       UsbCommand c = {CMD_ASK_SIM_TAG, {arg1, arg2, size}};
+       GetPrescoBits(fullcode, c.d.asBytes);
+       clearCommandBuffer();
+       SendCommand(&c);

        return 0;
 }
 
 static command_t CommandTable[] = {
        return 0;
 }
 
 static command_t CommandTable[] = {

-    {"help",   CmdHelp,                1, "This help"},
-       {"read",        CmdPrescoRead,  0, "Attempt to read and Extract tag data"},
-       {"clone",       CmdPrescoClone, 0, "<8 digit ID number> clone presco tag"},
-//     {"sim",         CmdPrescoSim,   0, "<8 digit ID number> simulate presco tag"},
-    {NULL, NULL, 0, NULL}
+       {"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) {
 };
 
 int CmdLFPresco(const char *Cmd) {