]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/cmdhfmf.c
Merge branch 'graphwork2' into graphwork
[proxmark3-svn] / client / cmdhfmf.c
index cdac64764dd33dd554c6dbd1a7c785f7038db7ef..7a6aaa3b9a3cd367a517d2c1f7a2ea56d49ed392 100644 (file)
@@ -8,87 +8,46 @@
 // High frequency MIFARE commands\r
 //-----------------------------------------------------------------------------\r
 \r
 // High frequency MIFARE commands\r
 //-----------------------------------------------------------------------------\r
 \r
-#include "cmdhfmf.h"\r
-#include "./nonce2key/nonce2key.h"\r
+#include <inttypes.h>\r
+#include <string.h>\r
+#include <stdio.h>\r
+#include <stdlib.h>\r
+#include <ctype.h>\r
+#include "proxmark3.h"\r
+#include "cmdmain.h"\r
+#include "util.h"\r
+#include "ui.h"\r
+#include "mifarehost.h"\r
+#include "mifare.h"\r
+#include "mfkey.h"\r
+\r
+#define NESTED_SECTOR_RETRY     10                     // how often we try mfested() until we give up\r
+\r
 \r
 static int CmdHelp(const char *Cmd);\r
 \r
 \r
 static int CmdHelp(const char *Cmd);\r
 \r
+\r
 int CmdHF14AMifare(const char *Cmd)\r
 {\r
 int CmdHF14AMifare(const char *Cmd)\r
 {\r
-       uint32_t uid = 0;\r
-       uint32_t nt = 0, nr = 0;\r
-       uint64_t par_list = 0, ks_list = 0, r_key = 0;\r
-       int16_t isOK = 0;\r
-\r
-       UsbCommand c = {CMD_READER_MIFARE, {true, 0, 0}};\r
-\r
-       // message\r
-       printf("-------------------------------------------------------------------------\n");\r
-       printf("Executing command. Expected execution time: 25sec on average  :-)\n");\r
-       printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n");\r
-       printf("-------------------------------------------------------------------------\n");\r
-\r
-       \r
- start:\r
-    clearCommandBuffer();\r
-    SendCommand(&c);\r
-       \r
-       //flush queue\r
-       while (ukbhit())        getchar();\r
-\r
-       // wait cycle\r
-       while (true) {\r
-        printf(".");\r
-               fflush(stdout);\r
-               if (ukbhit()) {\r
-                       getchar();\r
-                       printf("\naborted via keyboard!\n");\r
-                       break;\r
-               }\r
-               \r
-               UsbCommand resp;\r
-               if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {\r
-                       isOK  = resp.arg[0];\r
-                       uid = (uint32_t)bytes_to_num(resp.d.asBytes +  0, 4);\r
-                       nt =  (uint32_t)bytes_to_num(resp.d.asBytes +  4, 4);\r
-                       par_list = bytes_to_num(resp.d.asBytes +  8, 8);\r
-                       ks_list = bytes_to_num(resp.d.asBytes +  16, 8);\r
-                       nr = bytes_to_num(resp.d.asBytes + 24, 4);\r
-                       printf("\n\n");\r
-                       switch (isOK) {\r
-                               case -1 : PrintAndLog("Button pressed. Aborted.\n"); break;\r
-                               case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break;\r
-                               case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable).\n"); break;\r
-                               case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");\r
-                                                       PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break;\r
-                               default: ;\r
-                       }\r
-                       break;\r
-               }\r
-       }       \r
+       int isOK = 0;\r
+       uint64_t key = 0;\r
 \r
 \r
-       printf("\n");\r
-       \r
-       // error\r
-       if (isOK != 1) return 1;\r
-       \r
-       // execute original function from util nonce2key\r
-       if (nonce2key(uid, nt, nr, par_list, ks_list, &r_key)) {\r
-               isOK = 2;\r
-               PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt);    \r
-               PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce...");\r
-               c.arg[0] = false;\r
-               goto start;\r
-       } else {\r
-               isOK = 0;\r
-               printf("------------------------------------------------------------------\n");\r
-               PrintAndLog("Found valid key:%012"llx" \n", r_key);\r
+       isOK = mfDarkside(&key);\r
+       switch (isOK) {\r
+               case -1 : PrintAndLog("Button pressed. Aborted."); return 1;\r
+               case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests)."); return 1;\r
+               case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable)."); return 1;\r
+               case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown");\r
+                                       PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour."); return 1;\r
+               case -5 : PrintAndLog("Aborted via keyboard.");  return 1;\r
+               default : PrintAndLog("Found valid key:%012" PRIx64 "\n", key);\r
        }\r
        \r
        PrintAndLog("");\r
        return 0;\r
 }\r
 \r
        }\r
        \r
        PrintAndLog("");\r
        return 0;\r
 }\r
 \r
+\r
 int CmdHF14AMfWrBl(const char *Cmd)\r
 {\r
        uint8_t blockNo = 0;\r
 int CmdHF14AMfWrBl(const char *Cmd)\r
 {\r
        uint8_t blockNo = 0;\r
@@ -302,7 +261,8 @@ int CmdHF14AMfDump(const char *Cmd)
        \r
        // Read keys A from file\r
        for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
        \r
        // Read keys A from file\r
        for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
-               if (fread( keyA[sectorNo], 1, 6, fin ) == 0) {\r
+               size_t bytes_read = fread(keyA[sectorNo], 1, 6, fin);\r
+               if (bytes_read != 6) {\r
                        PrintAndLog("File reading error.");\r
                        fclose(fin);\r
                        return 2;\r
                        PrintAndLog("File reading error.");\r
                        fclose(fin);\r
                        return 2;\r
@@ -311,7 +271,8 @@ int CmdHF14AMfDump(const char *Cmd)
        \r
        // Read keys B from file\r
        for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
        \r
        // Read keys B from file\r
        for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
-               if (fread( keyB[sectorNo], 1, 6, fin ) == 0) {\r
+               size_t bytes_read = fread(keyB[sectorNo], 1, 6, fin);\r
+               if (bytes_read != 6) {\r
                        PrintAndLog("File reading error.");\r
                        fclose(fin);\r
                        return 2;\r
                        PrintAndLog("File reading error.");\r
                        fclose(fin);\r
                        return 2;\r
@@ -323,29 +284,32 @@ int CmdHF14AMfDump(const char *Cmd)
        PrintAndLog("|-----------------------------------------|");\r
        PrintAndLog("|------ Reading sector access bits...-----|");\r
        PrintAndLog("|-----------------------------------------|");\r
        PrintAndLog("|-----------------------------------------|");\r
        PrintAndLog("|------ Reading sector access bits...-----|");\r
        PrintAndLog("|-----------------------------------------|");\r
-       \r
+       uint8_t tries = 0;\r
        for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
        for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
-               UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}};\r
-               memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
-               SendCommand(&c);\r
+               for (tries = 0; tries < 3; tries++) {           \r
+                       UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}};\r
+                       memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
+                       SendCommand(&c);\r
 \r
 \r
-               if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
-                       uint8_t isOK  = resp.arg[0] & 0xff;\r
-                       uint8_t *data  = resp.d.asBytes;\r
-                       if (isOK){\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
+                       if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
+                               uint8_t isOK  = resp.arg[0] & 0xff;\r
+                               uint8_t *data  = resp.d.asBytes;\r
+                               if (isOK){\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
+                                       break;\r
+                               } else if (tries == 2) { // on last try set defaults\r
+                                       PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);\r
+                                       rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00;\r
+                                       rights[sectorNo][3] = 0x01;\r
+                               }\r
                        } else {\r
                        } else {\r
-                               PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo);\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] = 0x00;\r
                                rights[sectorNo][3] = 0x01;\r
                        }\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] = 0x00;\r
-                       rights[sectorNo][3] = 0x01;\r
                }\r
        }\r
        \r
                }\r
        }\r
        \r
@@ -357,27 +321,33 @@ int CmdHF14AMfDump(const char *Cmd)
        for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {\r
                for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
                        bool received = false;\r
        for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) {\r
                for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) {\r
                        bool received = false;\r
-                       \r
-                       if (blockNo == NumBlocksPerSector(sectorNo) - 1) {              // sector trailer. At least the Access Conditions can always be read with key A. \r
-                               UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};\r
-                               memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
-                               SendCommand(&c);\r
-                               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] == 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] == 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
+                       for (tries = 0; tries < 3; tries++) {                   \r
+                               if (blockNo == NumBlocksPerSector(sectorNo) - 1) {              // sector trailer. At least the Access Conditions can always be read with key A. \r
                                        UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};\r
                                        memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
                                        SendCommand(&c);\r
                                        received = WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
                                        UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};\r
                                        memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
                                        SendCommand(&c);\r
                                        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] == 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] == 0x07) {                                                                               // no key would work\r
+                                               isOK = false;\r
+                                               PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo);\r
+                                               tries = 2;\r
+                                       } else {                                                                                                                                                                // key A would work\r
+                                               UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}};\r
+                                               memcpy(c.d.asBytes, keyA[sectorNo], 6);\r
+                                               SendCommand(&c);\r
+                                               received = WaitForResponseTimeout(CMD_ACK,&resp,1500);\r
+                                       }\r
+                               }\r
+                               if (received) {\r
+                                       isOK  = resp.arg[0] & 0xff;\r
+                                       if (isOK) break;\r
                                }\r
                        }\r
 \r
                                }\r
                        }\r
 \r
@@ -466,16 +436,17 @@ int CmdHF14AMfRestore(const char *Cmd)
        }\r
        \r
        for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
        }\r
        \r
        for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
-               if (fread(keyA[sectorNo], 1, 6, fkeys) == 0) {\r
+               size_t bytes_read = fread(keyA[sectorNo], 1, 6, fkeys);\r
+               if (bytes_read != 6) {\r
                        PrintAndLog("File reading error (dumpkeys.bin).");\r
                        PrintAndLog("File reading error (dumpkeys.bin).");\r
-\r
                        fclose(fkeys);\r
                        return 2;\r
                }\r
        }\r
 \r
        for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
                        fclose(fkeys);\r
                        return 2;\r
                }\r
        }\r
 \r
        for (sectorNo = 0; sectorNo < numSectors; sectorNo++) {\r
-               if (fread(keyB[sectorNo], 1, 6, fkeys) == 0) {\r
+               size_t bytes_read = fread(keyB[sectorNo], 1, 6, fkeys);\r
+               if (bytes_read != 6) {\r
                        PrintAndLog("File reading error (dumpkeys.bin).");\r
                        fclose(fkeys);\r
                        return 2;\r
                        PrintAndLog("File reading error (dumpkeys.bin).");\r
                        fclose(fkeys);\r
                        return 2;\r
@@ -495,7 +466,8 @@ int CmdHF14AMfRestore(const char *Cmd)
                        UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}};\r
                        memcpy(c.d.asBytes, key, 6);\r
                        \r
                        UsbCommand c = {CMD_MIFARE_WRITEBL, {FirstBlockOfSector(sectorNo) + blockNo, keyType, 0}};\r
                        memcpy(c.d.asBytes, key, 6);\r
                        \r
-                       if (fread(bldata, 1, 16, fdump) == 0) {\r
+                       size_t bytes_read = fread(bldata, 1, 16, fdump);\r
+                       if (bytes_read != 16) {\r
                                PrintAndLog("File reading error (dumpdata.bin).");\r
                                fclose(fdump);\r
                                return 2;\r
                                PrintAndLog("File reading error (dumpdata.bin).");\r
                                fclose(fdump);\r
                                return 2;\r
@@ -535,10 +507,17 @@ int CmdHF14AMfRestore(const char *Cmd)
        return 0;\r
 }\r
 \r
        return 0;\r
 }\r
 \r
+\r
+typedef struct {\r
+       uint64_t Key[2];\r
+       int foundKey[2];\r
+} sector_t;\r
+\r
+\r
 int CmdHF14AMfNested(const char *Cmd)\r
 {\r
        int i, j, res, iterations;\r
 int CmdHF14AMfNested(const char *Cmd)\r
 {\r
        int i, j, res, iterations;\r
-       sector *e_sector = NULL;\r
+       sector_t *e_sector = NULL;\r
        uint8_t blockNo = 0;\r
        uint8_t keyType = 0;\r
        uint8_t trgBlockNo = 0;\r
        uint8_t blockNo = 0;\r
        uint8_t keyType = 0;\r
        uint8_t trgBlockNo = 0;\r
@@ -632,7 +611,7 @@ int CmdHF14AMfNested(const char *Cmd)
                }\r
                key64 = bytes_to_num(keyBlock, 6);\r
                if (key64) {\r
                }\r
                key64 = bytes_to_num(keyBlock, 6);\r
                if (key64) {\r
-                       PrintAndLog("Found valid key:%012"llx, key64);\r
+                       PrintAndLog("Found valid key:%012" PRIx64, key64);\r
 \r
                        // transfer key to the emulator\r
                        if (transferToEml) {\r
 \r
                        // transfer key to the emulator\r
                        if (transferToEml) {\r
@@ -655,10 +634,10 @@ int CmdHF14AMfNested(const char *Cmd)
                }\r
        }\r
        else { // ------------------------------------  multiple sectors working\r
                }\r
        }\r
        else { // ------------------------------------  multiple sectors working\r
-               clock_t time1;\r
-               time1 = clock();\r
+               uint64_t msclock1;\r
+               msclock1 = msclock();\r
 \r
 \r
-               e_sector = calloc(SectorsCnt, sizeof(sector));\r
+               e_sector = calloc(SectorsCnt, sizeof(sector_t));\r
                if (e_sector == NULL) return 1;\r
                \r
                //test current key and additional standard keys first\r
                if (e_sector == NULL) return 1;\r
                \r
                //test current key and additional standard keys first\r
@@ -718,7 +697,7 @@ int CmdHF14AMfNested(const char *Cmd)
 \r
                                        key64 = bytes_to_num(keyBlock, 6);\r
                                        if (key64) {\r
 \r
                                        key64 = bytes_to_num(keyBlock, 6);\r
                                        if (key64) {\r
-                                               PrintAndLog("Found valid key:%012"llx, key64);\r
+                                               PrintAndLog("Found valid key:%012" PRIx64, key64);\r
                                                e_sector[sectorNo].foundKey[trgKeyType] = 1;\r
                                                e_sector[sectorNo].Key[trgKeyType] = key64;\r
                                        }\r
                                                e_sector[sectorNo].foundKey[trgKeyType] = 1;\r
                                                e_sector[sectorNo].Key[trgKeyType] = key64;\r
                                        }\r
@@ -726,7 +705,7 @@ int CmdHF14AMfNested(const char *Cmd)
                        }\r
                }\r
 \r
                        }\r
                }\r
 \r
-               printf("Time in nested: %1.3f (%1.3f sec per key)\n\n", ((float)clock() - time1)/CLOCKS_PER_SEC, ((float)clock() - time1)/iterations/CLOCKS_PER_SEC);\r
+               printf("Time in nested: %1.3f (%1.3f sec per key)\n\n", ((float)(msclock() - msclock1))/1000.0, ((float)(msclock() - msclock1))/iterations/1000.0);\r
                \r
                PrintAndLog("-----------------------------------------------\nIterations count: %d\n\n", iterations);\r
                //print them\r
                \r
                PrintAndLog("-----------------------------------------------\nIterations count: %d\n\n", iterations);\r
                //print them\r
@@ -734,7 +713,7 @@ int CmdHF14AMfNested(const char *Cmd)
                PrintAndLog("|sec|key A           |res|key B           |res|");\r
                PrintAndLog("|---|----------------|---|----------------|---|");\r
                for (i = 0; i < SectorsCnt; i++) {\r
                PrintAndLog("|sec|key A           |res|key B           |res|");\r
                PrintAndLog("|---|----------------|---|----------------|---|");\r
                for (i = 0; i < SectorsCnt; i++) {\r
-                       PrintAndLog("|%03d|  %012"llx"  | %d |  %012"llx"  | %d |", i,\r
+                       PrintAndLog("|%03d|  %012" PRIx64 "  | %d |  %012" PRIx64 "  | %d |", i,\r
                                e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);\r
                }\r
                PrintAndLog("|---|----------------|---|----------------|---|");\r
                                e_sector[i].Key[0], e_sector[i].foundKey[0], e_sector[i].Key[1], e_sector[i].foundKey[1]);\r
                }\r
                PrintAndLog("|---|----------------|---|----------------|---|");\r
@@ -919,13 +898,14 @@ int CmdHF14AMfChk(const char *Cmd)
                                                if (!p) {\r
                                                        PrintAndLog("Cannot allocate memory for defKeys");\r
                                                        free(keyBlock);\r
                                                if (!p) {\r
                                                        PrintAndLog("Cannot allocate memory for defKeys");\r
                                                        free(keyBlock);\r
+                                                       fclose(f);\r
                                                        return 2;\r
                                                }\r
                                                keyBlock = p;\r
                                        }\r
                                        memset(keyBlock + 6 * keycnt, 0, 6);\r
                                        num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);\r
                                                        return 2;\r
                                                }\r
                                                keyBlock = p;\r
                                        }\r
                                        memset(keyBlock + 6 * keycnt, 0, 6);\r
                                        num_to_bytes(strtoll(buf, NULL, 16), 6, keyBlock + 6*keycnt);\r
-                                       PrintAndLog("chk custom key[%2d] %012"llx, keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));\r
+                                       PrintAndLog("chk custom key[%2d] %012" PRIx64 , keycnt, bytes_to_num(keyBlock + 6*keycnt, 6));\r
                                        keycnt++;\r
                                        memset(buf, 0, sizeof(buf));\r
                                }\r
                                        keycnt++;\r
                                        memset(buf, 0, sizeof(buf));\r
                                }\r
@@ -969,7 +949,7 @@ int CmdHF14AMfChk(const char *Cmd)
                                res = mfCheckKeys(b, t, true, size, &keyBlock[6*c], &key64);\r
                                if (res != 1) {\r
                                        if (!res) {\r
                                res = mfCheckKeys(b, t, true, size, &keyBlock[6*c], &key64);\r
                                if (res != 1) {\r
                                        if (!res) {\r
-                                               PrintAndLog("Found valid key:[%012"llx"]",key64);\r
+                                               PrintAndLog("Found valid key:[%012" PRIx64 "]",key64);\r
                                                num_to_bytes(key64, 6, foundKey[t][i]);\r
                                                validKey[t][i] = true;\r
                                        } \r
                                                num_to_bytes(key64, 6, foundKey[t][i]);\r
                                                validKey[t][i] = true;\r
                                        } \r
@@ -1054,11 +1034,11 @@ void readerAttack(nonces_t ar_resp[], bool setEmulatorMem, bool doStandardAttack
                                                }\r
                                        }\r
                                }\r
                                                }\r
                                        }\r
                                }\r
-                       } else if (tryMfk32_moebius(ar_resp[i+ATTACK_KEY_COUNT], &key)) {\r
+                       } else if (mfkey32_moebius(ar_resp[i+ATTACK_KEY_COUNT], &key)) {\r
                                uint8_t sectorNum = ar_resp[i+ATTACK_KEY_COUNT].sector;\r
                                uint8_t keyType = ar_resp[i+ATTACK_KEY_COUNT].keytype;\r
 \r
                                uint8_t sectorNum = ar_resp[i+ATTACK_KEY_COUNT].sector;\r
                                uint8_t keyType = ar_resp[i+ATTACK_KEY_COUNT].keytype;\r
 \r
-                               PrintAndLog("M-Found Key%s for sector %02d: [%012"llx"]"\r
+                               PrintAndLog("M-Found Key%s for sector %02d: [%012" PRIx64 "]"\r
                                        , keyType ? "B" : "A"\r
                                        , sectorNum\r
                                        , key\r
                                        , keyType ? "B" : "A"\r
                                        , sectorNum\r
                                        , key\r
@@ -1447,7 +1427,7 @@ int CmdHF14AMfELoad(const char *Cmd)
 \r
        len = param_getstr(Cmd,nameParamNo,filename);\r
        \r
 \r
        len = param_getstr(Cmd,nameParamNo,filename);\r
        \r
-       if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;\r
+       if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
 \r
        fnameptr += len;\r
 \r
 \r
        fnameptr += len;\r
 \r
@@ -1546,7 +1526,7 @@ int CmdHF14AMfESave(const char *Cmd)
 \r
        len = param_getstr(Cmd,nameParamNo,filename);\r
        \r
 \r
        len = param_getstr(Cmd,nameParamNo,filename);\r
        \r
-       if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;\r
+       if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
        \r
        // user supplied filename?\r
        if (len < 1) {\r
        \r
        // user supplied filename?\r
        if (len < 1) {\r
@@ -1670,7 +1650,7 @@ int CmdHF14AMfEKeyPrn(const char *Cmd)
                }\r
                keyA = bytes_to_num(data, 6);\r
                keyB = bytes_to_num(data + 10, 6);\r
                }\r
                keyA = bytes_to_num(data, 6);\r
                keyB = bytes_to_num(data + 10, 6);\r
-               PrintAndLog("|%03d|  %012"llx"  |  %012"llx"  |", i, keyA, keyB);\r
+               PrintAndLog("|%03d|  %012" PRIx64 "  |  %012" PRIx64 "  |", i, keyA, keyB);\r
        }\r
        PrintAndLog("|---|----------------|----------------|");\r
        \r
        }\r
        PrintAndLog("|---|----------------|----------------|");\r
        \r
@@ -1751,7 +1731,7 @@ int CmdHF14AMfCSetBlk(const char *Cmd)
 {\r
        uint8_t memBlock[16] = {0x00};\r
        uint8_t blockNo = 0;\r
 {\r
        uint8_t memBlock[16] = {0x00};\r
        uint8_t blockNo = 0;\r
-       bool wipeCard = FALSE;\r
+       bool wipeCard = false;\r
        int res;\r
 \r
        if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {\r
        int res;\r
 \r
        if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {\r
@@ -1822,7 +1802,7 @@ int CmdHF14AMfCLoad(const char *Cmd)
                return 0;\r
        } else {\r
                len = strlen(Cmd);\r
                return 0;\r
        } else {\r
                len = strlen(Cmd);\r
-               if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;\r
+               if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
 \r
                memcpy(filename, Cmd, len);\r
                fnameptr += len;\r
 \r
                memcpy(filename, Cmd, len);\r
                fnameptr += len;\r
@@ -1863,6 +1843,7 @@ int CmdHF14AMfCLoad(const char *Cmd)
 \r
                        if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {\r
                                PrintAndLog("Can't set magic card block: %d", blockNum);\r
 \r
                        if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) {\r
                                PrintAndLog("Can't set magic card block: %d", blockNum);\r
+                               fclose(f);\r
                                return 3;\r
                        }\r
                        blockNum++;\r
                                return 3;\r
                        }\r
                        blockNum++;\r
@@ -1991,7 +1972,7 @@ int CmdHF14AMfCSave(const char *Cmd) {
                return 0;\r
        } else {\r
                len = strlen(Cmd);\r
                return 0;\r
        } else {\r
                len = strlen(Cmd);\r
-               if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4;\r
+               if (len > FILE_PATH_SIZE - 5) len = FILE_PATH_SIZE - 5;\r
        \r
                if (len < 1) {\r
                        // get filename\r
        \r
                if (len < 1) {\r
                        // get filename\r
@@ -2111,11 +2092,14 @@ int CmdHF14AMfSniff(const char *Cmd){
                        uint16_t traceLen = resp.arg[1];\r
                        len = resp.arg[2];\r
 \r
                        uint16_t traceLen = resp.arg[1];\r
                        len = resp.arg[2];\r
 \r
-                       if (res == 0) return 0;                                         // we are done\r
+                       if (res == 0) {                                                         // we are done\r
+                               free(buf);\r
+                               return 0;\r
+                       }\r
 \r
                        if (res == 1) {                                                         // there is (more) data to be transferred\r
                                if (pckNum == 0) {                                              // first packet, (re)allocate necessary buffer\r
 \r
                        if (res == 1) {                                                         // there is (more) data to be transferred\r
                                if (pckNum == 0) {                                              // first packet, (re)allocate necessary buffer\r
-                                       if (traceLen > bufsize) {\r
+                                       if (traceLen > bufsize || buf == NULL) {\r
                                                uint8_t *p;\r
                                                if (buf == NULL) {                              // not yet allocated\r
                                                        p = malloc(traceLen);\r
                                                uint8_t *p;\r
                                                if (buf == NULL) {                              // not yet allocated\r
                                                        p = malloc(traceLen);\r
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