CHG: 'lf awid brute' - extra check if device gotten offline

[proxmark3-svn] / client / cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index 08ff7aa8d9156dbec3594ed2fc45387e33e2bb8b..a5983e91db877a2a5665b8ad52bdcb1f83cafecf 100644 (file)
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -26,8 +26,8 @@
 #include "loclass/cipherutils.h" // for decimating samples in getsamples
 
 uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
-uint8_t g_debugMode=0;
-size_t DemodBufferLen=0;
+uint8_t g_debugMode = 0;
+size_t DemodBufferLen = 0;
 static int CmdHelp(const char *Cmd);
 
 int usage_data_printdemodbuf(void){
@@ -1512,17 +1512,17 @@ int CmdFSKdemodPyramid(const char *Cmd)
        if (idx < 0){
                if (g_debugMode){
                        if (idx == -5)
-                               PrintAndLog("DEBUG: Error - not enough samples");
+                               PrintAndLog("DEBUG: Error - Pyramid: not enough samples");
                        else if (idx == -1)
-                               PrintAndLog("DEBUG: Error - only noise found");
+                               PrintAndLog("DEBUG: Error - Pyramid: only noise found");
                        else if (idx == -2)
-                               PrintAndLog("DEBUG: Error - problem during FSK demod");
+                               PrintAndLog("DEBUG: Error - Pyramid: problem during FSK demod");
                        else if (idx == -3)
-                               PrintAndLog("DEBUG: Error - Size not correct: %d", size);
+                               PrintAndLog("DEBUG: Error - Pyramid: size not correct: %d", size);
                        else if (idx == -4)
-                               PrintAndLog("DEBUG: Error - Pyramid preamble not found");
+                               PrintAndLog("DEBUG: Error - Pyramid: preamble not found");
                        else
-                               PrintAndLog("DEBUG: Error - idx: %d",idx);
+                               PrintAndLog("DEBUG: Error - Pyramid: idx: %d",idx);
                }
                return 0;
        }
@@ -1555,19 +1555,23 @@ int CmdFSKdemodPyramid(const char *Cmd)
        }
        //check checksum calc
        //checksum calc thanks to ICEMAN!!
-       uint32_t checkCS =  CRC8Maxim(csBuff,13);
+       uint32_t checkCS =  CRC8Maxim(csBuff, 13);
 
        //get raw ID before removing parities
-       uint32_t rawLo = bytebits_to_byte(BitStream+idx+96,32);
-       uint32_t rawHi = bytebits_to_byte(BitStream+idx+64,32);
-       uint32_t rawHi2 = bytebits_to_byte(BitStream+idx+32,32);
-       uint32_t rawHi3 = bytebits_to_byte(BitStream+idx,32);
-       setDemodBuf(BitStream,128,idx);
+       uint32_t rawLo = bytebits_to_byte(BitStream+idx+96, 32);
+       uint32_t rawHi = bytebits_to_byte(BitStream+idx+64, 32);
+       uint32_t rawHi2 = bytebits_to_byte(BitStream+idx+32, 32);
+       uint32_t rawHi3 = bytebits_to_byte(BitStream+idx, 32);
+       setDemodBuf(BitStream, 128, idx);
 
        size = removeParity(BitStream, idx+8, 8, 1, 120);
        if (size != 105){
-               if (g_debugMode) 
-                       PrintAndLog("DEBUG: Error at parity check - tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %x",size, idx, rawHi3);
+               if (g_debugMode) {
+                       if ( size == 0)
+                               PrintAndLog("DEBUG: Error - Pyramid: parity check failed - IDX: %d, hi3: %08X", idx, rawHi3);
+                       else
+                               PrintAndLog("DEBUG: Error - Pyramid: at parity check - tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %08X", size, idx, rawHi3);
+               }
                return 0;
        }
 
@@ -1625,7 +1629,7 @@ int CmdFSKdemodPyramid(const char *Cmd)
                PrintAndLog("Checksum %02x failed - should have been %02x", checksum, checkCS);
 
        if (g_debugMode){
-               PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128);
+               PrintAndLog("DEBUG: Pyramid: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128);
                printDemodBuff();
        }
        return 1;