Merge pull request #81 from mdp/fixguard

[proxmark3-svn] / client / cmdlfjablotron.c

diff --git a/client/cmdlfjablotron.c b/client/cmdlfjablotron.c
index 3c5edd39ee6774c0addf793e678b84379844c38f..dc5e10d7f002555fd13eeb6b7132ed392722534b 100644 (file)
--- a/client/cmdlfjablotron.c
+++ b/client/cmdlfjablotron.c
@@ -6,6 +6,7 @@
 //-----------------------------------------------------------------------------
 // Low frequency Presco tag commands
 //-----------------------------------------------------------------------------
+
 #include "cmdlfjablotron.h"
 
 static int CmdHelp(const char *Cmd);
@@ -18,7 +19,7 @@ int usage_lf_jablotron_clone(void){
        PrintAndLog("      <card ID>  : jablotron card ID");
        PrintAndLog("      <Q5>       : specify write to Q5 (t5555 instead of t55x7)");
        PrintAndLog("");
-       PrintAndLog("Sample: lf jablotron clone d 112233");
+       PrintAndLog("Sample: lf jablotron clone 112233");
        return 0;
 }
 
@@ -31,7 +32,7 @@ int usage_lf_jablotron_sim(void) {
        PrintAndLog("      h          : This help");
        PrintAndLog("      <card ID>  : jablotron card ID");
        PrintAndLog("");
-       PrintAndLog("Sample: lf jablotron sim d 112233");
+       PrintAndLog("Sample: lf jablotron sim 112233");
        return 0;
 }
 
@@ -57,33 +58,40 @@ int getJablotronBits(uint64_t fullcode, uint8_t *bits) {
        return 1;
 }
 
+static uint64_t getJablontronCardId( uint64_t rawcode ){
+       uint64_t id = 0;
+       uint8_t bytes[] = {0,0,0,0,0};
+       num_to_bytes(rawcode, 5, bytes);
+       for ( int i = 4, j = 0; i > -1;  --i, j += 2 ) {
+               id += NIBBLE_LOW( bytes[i] ) * (int)pow(10,j);
+               id += NIBBLE_HIGH( bytes[i] ) * (int)pow(10,j+1);
+       }
+       return id;
+}
+
 //see ASKDemod for what args are accepted
 int CmdJablotronDemod(const char *Cmd) {
 
        //Differential Biphase / di-phase (inverted biphase)
        //get binary from ask wave
        if (!ASKbiphaseDemod("0 64 1 0", FALSE)) {
-               if (g_debugMode) PrintAndLog("Error Jablotron: ASKbiphaseDemod failed");
+               if (g_debugMode) PrintAndLog("DEBUG: Error - Jablotron ASKbiphaseDemod failed");
                return 0;
        }
        size_t size = DemodBufferLen;
        int ans = JablotronDemod(DemodBuffer, &size);
        if (ans < 0){
                if (g_debugMode){
-                       // if (ans == -5)
-                               // PrintAndLog("DEBUG: Error - not enough samples");
                        if (ans == -1)
                                PrintAndLog("DEBUG: Error - Jablotron too few bits found");
-                       // else if (ans == -2)
-                               // PrintAndLog("DEBUG: Error - problem during ASK/Biphase demod");
-                       else if (ans == -3)
-                               PrintAndLog("DEBUG: Error - Jablotron Size not correct: %d", size);
-                       else if (ans == -4)
+                       else if (ans == -2)
                                PrintAndLog("DEBUG: Error - Jablotron preamble not found");
+                       else if (ans == -3)
+                               PrintAndLog("DEBUG: Error - Jablotron size not correct: %d", size);
                        else if (ans == -5)
                                PrintAndLog("DEBUG: Error - Jablotron checksum failed");
                        else
-                               PrintAndLog("DEBUG: Error - ans: %d", ans);
+                               PrintAndLog("DEBUG: Error - Jablotron ans: %d", ans);
                }
                return 0;
        }
@@ -93,38 +101,38 @@ int CmdJablotronDemod(const char *Cmd) {
        //got a good demod
        uint32_t raw1 = bytebits_to_byte(DemodBuffer, 32);
        uint32_t raw2 = bytebits_to_byte(DemodBuffer+32, 32);
-       uint64_t cardid = (raw1 & 0xFFFF);
-       cardid <<= 24;
-       cardid |= (raw2 >> 8);
-       
-       PrintAndLog("Jablotron Tag Found: Card ID %"PRIx64, cardid);
-       PrintAndLog("Raw: %08X%08X", raw1 ,raw2);
+
+       uint64_t rawid = bytebits_to_byte(DemodBuffer+16, 40);
+       uint64_t id = getJablontronCardId(rawid);
+
+       PrintAndLog("Jablotron Tag Found: Card ID %u  :: Raw: %08X%08X", id, raw1 ,raw2);
 
        uint8_t chksum = raw2 & 0xFF;
        PrintAndLog("Checksum: %02X [%s]",
                chksum,
                (chksum == jablontron_chksum(DemodBuffer)) ? "OK":"FAIL"                
        );
-               
+
+       id = DEC2BCD(id);
        // Printed format: 1410-nn-nnnn-nnnn    
-       PrintAndLog("Printed:  1410-%02X-%04X-%04X",
-               (raw1 & 0x0000FF00) >> 8,
-               (raw1 & 0xFF) << 8 | ((raw2 >> 24) & 0xFF),
-               (raw2 & 0x00FFFF00) >> 8
-       );      
+       PrintAndLog("Printed: 1410-%02X-%04X-%04X",
+               (uint8_t)(id >> 32) & 0xFF,
+               (uint16_t)(id >> 16) & 0xFFFF,
+               (uint16_t)id & 0xFFFF
+       );
        return 1;
 }
 
 int CmdJablotronRead(const char *Cmd) {
        CmdLFRead("s");
-       getSamples("30000",false);
+       getSamples("12000", TRUE);
        return CmdJablotronDemod(Cmd);
 }
 
 int CmdJablotronClone(const char *Cmd) {
 
        uint64_t fullcode = 0;
-       uint32_t blocks[3] = {T55x7_MODULATION_DIPHASE | T55x7_BITRATE_RF_64 | 2<<T55x7_MAXBLOCK_SHIFT, 0, 0};
+       uint32_t blocks[3] = {T55x7_MODULATION_DIPHASE | T55x7_BITRATE_RF_64 | 2 << T55x7_MAXBLOCK_SHIFT, 0, 0};
 
        uint8_t bits[64];
        uint8_t *bs = bits;
@@ -138,7 +146,7 @@ int CmdJablotronClone(const char *Cmd) {
        //Q5
        if (param_getchar(Cmd, 1) == 'Q' || param_getchar(Cmd, 1) == 'q') {
                //t5555 (Q5) BITRATE = (RF-2)/2 (iceman)
-               blocks[0] = T5555_MODULATION_BIPHASE | T5555_INVERT_OUTPUT | 64<<T5555_BITRATE_SHIFT | 2<<T5555_MAXBLOCK_SHIFT;
+               blocks[0] = T5555_MODULATION_BIPHASE | T5555_INVERT_OUTPUT | ((64-2)>>1) << T5555_BITRATE_SHIFT | 2 << T5555_MAXBLOCK_SHIFT;
        }
        
        // clearing the topbit needed for the preambl detection. 
@@ -166,12 +174,12 @@ int CmdJablotronClone(const char *Cmd) {
        UsbCommand resp;
        UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {0,0,0}};
 
-       for (int i=4; i>=0; i--) {
+       for (int i = 2; i >= 0; --i) {
                c.arg[0] = blocks[i];
                c.arg[1] = i;
                clearCommandBuffer();
                SendCommand(&c);
-               if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
+               if (!WaitForResponseTimeout(CMD_ACK, &resp, T55XX_WRITE_TIMEOUT)){
                        PrintAndLog("Error occurred, device did not respond during write operation.");
                        return -1;
                }