]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhfmf.c
Fixed indentation
[proxmark3-svn] / client / cmdhfmf.c
index 9ccfef95c3b5ff53a3b4c6fe804dcadce070dfed..6d0bebd7f15f6cfbc7d30288710abdff033780ab 100644 (file)
@@ -343,10 +343,6 @@ int CmdHF14AMfURdCard(const char *Cmd)
     uint8_t isOK  = 0;\r
     uint8_t * data  = NULL;\r
 \r
-    if (sectorNo > 15) {\r
-        PrintAndLog("Sector number must be less than 16");\r
-        return 1;\r
-    }\r
     PrintAndLog("Attempting to Read Ultralight... ");\r
         \r
        UsbCommand c = {CMD_MIFAREU_READCARD, {sectorNo}};\r
@@ -359,64 +355,24 @@ int CmdHF14AMfURdCard(const char *Cmd)
 \r
         PrintAndLog("isOk:%02x", isOK);\r
         if (isOK) \r
-            for (i = 0; i < 16; i++) {\r
-                       switch(i){\r
-                               case 2:\r
-                                       //process lock bytes\r
-                                       lockbytes_t=data+(i*4);\r
-                                       lockbytes[0]=lockbytes_t[2];\r
-                                       lockbytes[1]=lockbytes_t[3];\r
-                                       for(int j=0; j<16; j++){\r
-                                               bit[j]=lockbytes[j/8] & ( 1 <<(7-j%8));\r
-                                       }\r
-                                       //PrintAndLog("LB %02x %02x", lockbytes[0],lockbytes[1]);\r
-                                       //PrintAndLog("LB2b %02x %02x %02x %02x %02x %02x %02x %02x",bit[8],bit[9],bit[10],bit[11],bit[12],bit[13],bit[14],bit[15]);            \r
-                                       PrintAndLog("Block %3d:%s ", i,sprint_hex(data + i * 4, 4));\r
-                                       break;\r
-                               case 3: \r
-                                       PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[4]);\r
-                                       break;\r
-                               case 4:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[3]);\r
-                                       break;\r
-                               case 5:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[2]);\r
-                                       break;\r
-                               case 6:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[1]);\r
-                                       break;\r
-                               case 7:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[0]);\r
-                                       break;\r
-                               case 8:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[15]);\r
-                                       break;\r
-                               case 9:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[14]);\r
-                                       break;\r
-                               case 10:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[13]);\r
-                                       break;\r
-                               case 11:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[12]);\r
-                                       break;\r
-                               case 12:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[11]);\r
-                                       break;\r
-                               case 13:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[10]);\r
-                                       break;\r
-                               case 14:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[9]);\r
-                                       break;\r
-                               case 15:\r
-                    PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[8]);\r
-                                       break;\r
-                               default:\r
-                                       PrintAndLog("Block %3d:%s ", i,sprint_hex(data + i * 4, 4));\r
-                                       break;\r
+               {       // bit 0 and 1\r
+                               PrintAndLog("Block %3d:%s ", 0,sprint_hex(data + 0 * 4, 4));\r
+                               PrintAndLog("Block %3d:%s ", 1,sprint_hex(data + 1 * 4, 4));\r
+                               // bit 2\r
+                               //process lock bytes\r
+                               lockbytes_t=data+(2*4);\r
+                               lockbytes[0]=lockbytes_t[2];\r
+                               lockbytes[1]=lockbytes_t[3];\r
+                               for(int j=0; j<16; j++){\r
+                                       bit[j]=lockbytes[j/8] & ( 1 <<(7-j%8));\r
                                }\r
-                        }\r
+                               //remaining\r
+                   for (i = 3; i < 16; i++) {\r
+                       int bitnum = (23-i) % 16;\r
+                                       PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[bitnum]);\r
+                   }\r
+\r
+               }\r
         } else {\r
                 PrintAndLog("Command execute timeout");\r
         }\r
@@ -546,6 +502,7 @@ int CmdHF14AMfDump(const char *Cmd)
        for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
                if (fread( keyA[sectorNo], 1, 6, fin ) == 0) {\r
                        PrintAndLog("File reading error.");\r
+                       fclose(fin);\r
                        return 2;\r
                }\r
        }\r
@@ -553,10 +510,11 @@ int CmdHF14AMfDump(const char *Cmd)
        for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
                if (fread( keyB[sectorNo], 1, 6, fin ) == 0) {\r
                        PrintAndLog("File reading error.");\r
+                       fclose(fin);\r
                        return 2;\r
                }\r
        }\r
-       \r
+       fclose(fin);\r
        // Read access rights to sectors\r
 \r
        PrintAndLog("|-----------------------------------------|");\r
@@ -572,17 +530,19 @@ int CmdHF14AMfDump(const char *Cmd)
                        uint8_t isOK  = resp.arg[0] & 0xff;\r
                        uint8_t *data  = resp.d.asBytes;\r
                        if (isOK){\r
-                               rights[sectorNo][0] = ((data[7] & 0x10)>>4) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>2);\r
-                               rights[sectorNo][1] = ((data[7] & 0x20)>>5) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>3);\r
-                               rights[sectorNo][2] = ((data[7] & 0x40)>>6) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>4);\r
-                               rights[sectorNo][3] = ((data[7] & 0x80)>>7) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>5);\r
+                               rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0\r
+                               rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1\r
+                               rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2\r
+                               rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer\r
                        } else {\r
                                PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);\r
-                               rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = rights[sectorNo][3] = 0x01;\r
+                               rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;\r
+                               rights[sectorNo][3] = 0x01;\r
                        }\r
                } else {\r
                        PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo);\r
-                       rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = rights[sectorNo][3] = 0x01;\r
+                       rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;\r
+                       rights[sectorNo][3] = 0x01;\r
                }\r
        }\r
        \r
@@ -603,12 +563,12 @@ int CmdHF14AMfDump(const char *Cmd)
                                received = WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
                        } else {                                                                                                // data block. Check if it can be read with key A or key B\r
                                uint8_t data_area = sectorNo<32?blockNo:blockNo/5;\r
-                               if ((rights[sectorNo][data_area] == 3) || (rights[sectorNo][data_area] == 5)) {                 // only key B would work\r
+                               if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) {   // only key B would work\r
                                        UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}};\r
                                        memcpy(c.d.asBytes, keyB[sectorNo], 6);\r
                                        SendCommand(&c);\r
                                        received = WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
-                               } else if (rights[sectorNo][data_area] == 7) {                                                                                  // no key would work\r
+                               } else if (rights[sectorNo][data_area] == 0x07) {                                                                               // no key would work\r
                                        isOK = false;\r
                                        PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);\r
                                } else {                                                                                                                                                                // key A would work\r
@@ -664,7 +624,6 @@ int CmdHF14AMfDump(const char *Cmd)
                PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks);\r
        }\r
                \r
-       fclose(fin);\r
        return 0;\r
 }\r
 \r
@@ -708,12 +667,15 @@ int CmdHF14AMfRestore(const char *Cmd)
        }\r
        if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {\r
                PrintAndLog("Could not find file dumpkeys.bin");\r
+               fclose(fdump);\r
                return 1;\r
        }\r
        \r
        for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
                if (fread(keyA[sectorNo], 1, 6, fkeys) == 0) {\r
                        PrintAndLog("File reading error (dumpkeys.bin).");\r
+                       fclose(fdump);\r
+                       fclose(fkeys);\r
                        return 2;\r
                }\r
        }\r
@@ -721,9 +683,12 @@ int CmdHF14AMfRestore(const char *Cmd)
        for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
                if (fread(keyB[sectorNo], 1, 6, fkeys) == 0) {\r
                        PrintAndLog("File reading error (dumpkeys.bin).");\r
+                       fclose(fdump);\r
+                       fclose(fkeys);\r
                        return 2;\r
                }\r
        }\r
+       fclose(fkeys);\r
 \r
        PrintAndLog("Restoring dumpdata.bin to card");\r
 \r
@@ -734,6 +699,7 @@ int CmdHF14AMfRestore(const char *Cmd)
                        \r
                        if (fread(bldata, 1, 16, fdump) == 0) {\r
                                PrintAndLog("File reading error (dumpdata.bin).");\r
+                               fclose(fdump);\r
                                return 2;\r
                        }\r
                                        \r
@@ -768,7 +734,6 @@ int CmdHF14AMfRestore(const char *Cmd)
        }\r
        \r
        fclose(fdump);\r
-       fclose(fkeys);\r
        return 0;\r
 }\r
 \r
@@ -1002,6 +967,16 @@ int CmdHF14AMfNested(const char *Cmd)
 \r
 int CmdHF14AMfChk(const char *Cmd)\r
 {\r
+       if (strlen(Cmd)<3) {\r
+               PrintAndLog("Usage:  hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t] [<key (12 hex symbols)>] [<dic (*.dic)>]");\r
+               PrintAndLog("          * - all sectors");\r
+               PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");\r
+               PrintAndLog("d - write keys to binary file\n");\r
+               PrintAndLog("      sample: hf mf chk 0 A 1234567890ab keys.dic");\r
+               PrintAndLog("              hf mf chk *1 ? t");\r
+               return 0;\r
+       }       \r
+\r
        FILE * f;\r
        char filename[256]={0};\r
        char buf[13];\r
@@ -1019,6 +994,7 @@ int CmdHF14AMfChk(const char *Cmd)
        int transferToEml = 0;\r
        int createDumpFile = 0;\r
 \r
+\r
        keyBlock = calloc(stKeyBlock, 6);\r
        if (keyBlock == NULL) return 1;\r
 \r
@@ -1045,15 +1021,6 @@ int CmdHF14AMfChk(const char *Cmd)
                num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));\r
        }\r
        \r
-       if (strlen(Cmd)<3) {\r
-               PrintAndLog("Usage:  hf mf chk <block number>|<*card memory> <key type (A/B/?)> [t] [<key (12 hex symbols)>] [<dic (*.dic)>]");\r
-               PrintAndLog("          * - all sectors");\r
-               PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, <other> - 1K");\r
-               PrintAndLog("d - write keys to binary file\n");\r
-               PrintAndLog("      sample: hf mf chk 0 A 1234567890ab keys.dic");\r
-               PrintAndLog("              hf mf chk *1 ? t");\r
-               return 0;\r
-       }       \r
        \r
        if (param_getchar(Cmd, 0)=='*') {\r
                blockNo = 3;\r
@@ -1142,11 +1109,11 @@ int CmdHF14AMfChk(const char *Cmd)
                                        keycnt++;\r
                                        memset(buf, 0, sizeof(buf));\r
                                }\r
+                               fclose(f);\r
                        } else {\r
                                PrintAndLog("File: %s: not found or locked.", filename);\r
                                free(keyBlock);\r
                                return 1;\r
-                       fclose(f);\r
                        }\r
                }\r
        }\r
@@ -1428,12 +1395,14 @@ int CmdHF14AMfELoad(const char *Cmd)
                                break;\r
                        }\r
                        PrintAndLog("File reading error.");\r
+                       fclose(f);\r
                        return 2;\r
                }\r
                if (strlen(buf) < 32){\r
                        if(strlen(buf) && feof(f))\r
                                break;\r
                        PrintAndLog("File content error. Block data must include 32 HEX symbols");\r
+                       fclose(f);\r
                        return 2;\r
                }\r
                for (i = 0; i < 32; i += 2) {\r
@@ -1442,6 +1411,7 @@ int CmdHF14AMfELoad(const char *Cmd)
                }\r
                if (mfEmlSetMem(buf8, blockNum, 1)) {\r
                        PrintAndLog("Cant set emul block: %3d", blockNum);\r
+                       fclose(f);\r
                        return 3;\r
                }\r
                blockNum++;\r
@@ -1584,8 +1554,8 @@ int CmdHF14AMfEKeyPrn(const char *Cmd)
 int CmdHF14AMfCSetUID(const char *Cmd)\r
 {\r
        uint8_t wipeCard = 0;\r
-       uint8_t uid[8];\r
-       uint8_t oldUid[8];\r
+       uint8_t uid[8] = {0};\r
+       uint8_t oldUid[8]= {0};\r
        int res;\r
 \r
        if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {\r
@@ -1924,7 +1894,6 @@ int CmdHF14AMfSniff(const char *Cmd){
        uint8_t atqa[2];\r
        uint8_t sak;\r
        bool isTag;\r
-       uint32_t parity;\r
        uint8_t buf[3000];\r
        uint8_t * bufPtr = buf;\r
        memset(buf, 0x00, 3000);\r
@@ -1991,14 +1960,17 @@ int CmdHF14AMfSniff(const char *Cmd){
                                printf(">\n");\r
                                PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);\r
                                num = 0;\r
-                               while (bufPtr - buf + 9 < blockLen) {\r
-                                       isTag = bufPtr[3] & 0x80 ? true:false;\r
-                                       bufPtr += 4;\r
-                                       parity = *((uint32_t *)(bufPtr));\r
-                                       bufPtr += 4;\r
-                                       len = bufPtr[0];\r
-                                       bufPtr++;\r
-                                       if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff)) {\r
+                               while (bufPtr - buf < blockLen) {\r
+                                       bufPtr += 6;    // ignore void timing information\r
+                                       len = *((uint16_t *)bufPtr);\r
+                                       if(len & 0x8000) {\r
+                                               isTag = true;\r
+                                               len &= 0x7fff;\r
+                                       } else {\r
+                                               isTag = false;\r
+                                       }\r
+                                       bufPtr += 2;\r
+                                       if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) {\r
                                                memcpy(uid, bufPtr + 2, 7);\r
                                                memcpy(atqa, bufPtr + 2 + 7, 2);\r
                                                uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;\r
@@ -2017,9 +1989,10 @@ int CmdHF14AMfSniff(const char *Cmd){
                                        } else {\r
                                                PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));\r
                                                if (wantLogToFile) AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);\r
-                                               if (wantDecrypt) mfTraceDecode(bufPtr, len, parity, wantSaveToEmlFile);\r
+                                               if (wantDecrypt) mfTraceDecode(bufPtr, len, wantSaveToEmlFile);\r
                                        }\r
                                        bufPtr += len;\r
+                                       bufPtr += ((len-1)/8+1);        // ignore parity\r
                                        num++;\r
                                }\r
                        }\r
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