sync with master lf files to resolve conflicts

[proxmark3-svn] / client / cmdhfmf.c

diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index 80d93a46659e74950b4aa68e20488588e4a28534..121736e99587103e2299d29006a4ab1e4c434970 100644 (file)
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -36,7 +36,6 @@ start:
        //flush queue\r
        while (ukbhit())        getchar();\r
 \r
        //flush queue\r
        while (ukbhit())        getchar();\r
 \r

-       \r

        // wait cycle\r
        while (true) {\r
         printf(".");\r
        // wait cycle\r
        while (true) {\r
         printf(".");\r


@@ -78,6 +77,7 @@ start:
                num_to_bytes(r_key, 6, keyBlock);\r
                isOK = mfCheckKeys(0, 0, 1, keyBlock, &r_key);\r
        }\r
                num_to_bytes(r_key, 6, keyBlock);\r
                isOK = mfCheckKeys(0, 0, 1, keyBlock, &r_key);\r
        }\r

+       \r

        if (!isOK) \r
                PrintAndLog("Found valid key:%012"llx, r_key);\r
        else\r
        if (!isOK) \r
                PrintAndLog("Found valid key:%012"llx, r_key);\r
        else\r


@@ -88,6 +88,7 @@ start:
                goto start;\r
        }\r
        \r
                goto start;\r
        }\r
        \r

+       PrintAndLog("");\r

        return 0;\r
 }\r
 \r
        return 0;\r
 }\r
 \r


@@ -437,7 +438,6 @@ int CmdHF14AMfRdSc(const char *Cmd)
   return 0;\r
 }\r
 \r
   return 0;\r
 }\r
 \r

-\r

 uint8_t FirstBlockOfSector(uint8_t sectorNo)\r
 {\r
        if (sectorNo < 32) {\r
 uint8_t FirstBlockOfSector(uint8_t sectorNo)\r
 {\r
        if (sectorNo < 32) {\r


@@ -447,7 +447,6 @@ uint8_t FirstBlockOfSector(uint8_t sectorNo)
        }\r
 }\r
 \r
        }\r
 }\r
 \r

-\r

 uint8_t NumBlocksPerSector(uint8_t sectorNo)\r
 {\r
        if (sectorNo < 32) {\r
 uint8_t NumBlocksPerSector(uint8_t sectorNo)\r
 {\r
        if (sectorNo < 32) {\r


@@ -457,7 +456,6 @@ uint8_t NumBlocksPerSector(uint8_t sectorNo)
        }\r
 }\r
 \r
        }\r
 }\r
 \r

-\r

 int CmdHF14AMfDump(const char *Cmd)\r
 {\r
        uint8_t sectorNo, blockNo;\r
 int CmdHF14AMfDump(const char *Cmd)\r
 {\r
        uint8_t sectorNo, blockNo;\r


@@ -497,8 +495,7 @@ int CmdHF14AMfDump(const char *Cmd)
                return 1;\r
        }\r
        \r
                return 1;\r
        }\r
        \r

-       // Read key file\r
-\r
+       // Read keys A from file\r

        for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
                if (fread( keyA[sectorNo], 1, 6, fin ) == 0) {\r
                        PrintAndLog("File reading error.");\r
        for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
                if (fread( keyA[sectorNo], 1, 6, fin ) == 0) {\r
                        PrintAndLog("File reading error.");\r


@@ -507,6 +504,7 @@ int CmdHF14AMfDump(const char *Cmd)
                }\r
        }\r
        \r
                }\r
        }\r
        \r

+       // Read keys B from file\r

        for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
                if (fread( keyB[sectorNo], 1, 6, fin ) == 0) {\r
                        PrintAndLog("File reading error.");\r
        for (sectorNo=0; sectorNo<numSectors; sectorNo++) {\r
                if (fread( keyB[sectorNo], 1, 6, fin ) == 0) {\r
                        PrintAndLog("File reading error.");\r


@@ -556,6 +554,7 @@ 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
                        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


@@ -610,7 +609,6 @@ int CmdHF14AMfDump(const char *Cmd)
                                break;\r
                        }\r
                }\r
                                break;\r
                        }\r
                }\r

-\r

        }\r
 \r
        if (isOK) {\r
        }\r
 \r
        if (isOK) {\r


@@ -627,10 +625,8 @@ int CmdHF14AMfDump(const char *Cmd)
        return 0;\r
 }\r
 \r
        return 0;\r
 }\r
 \r

-\r

 int CmdHF14AMfRestore(const char *Cmd)\r
 {\r
 int CmdHF14AMfRestore(const char *Cmd)\r
 {\r

-\r

        uint8_t sectorNo,blockNo;\r
        uint8_t keyType = 0;\r
        uint8_t key[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r
        uint8_t sectorNo,blockNo;\r
        uint8_t keyType = 0;\r
        uint8_t key[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};\r


@@ -667,12 +663,15 @@ int CmdHF14AMfRestore(const char *Cmd)
        }\r
        if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) {\r
                PrintAndLog("Could not find file dumpkeys.bin");\r
        }\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
                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
                        return 2;\r
                }\r
        }\r


@@ -680,9 +679,12 @@ 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
        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
                        return 2;\r
                }\r
        }\r

+       fclose(fkeys);\r

 \r
        PrintAndLog("Restoring dumpdata.bin to card");\r
 \r
 \r
        PrintAndLog("Restoring dumpdata.bin to card");\r
 \r


@@ -693,6 +695,7 @@ int CmdHF14AMfRestore(const char *Cmd)
                        \r
                        if (fread(bldata, 1, 16, fdump) == 0) {\r
                                PrintAndLog("File reading error (dumpdata.bin).");\r
                        \r
                        if (fread(bldata, 1, 16, fdump) == 0) {\r
                                PrintAndLog("File reading error (dumpdata.bin).");\r

+                               fclose(fdump);\r

                                return 2;\r
                        }\r
                                        \r
                                return 2;\r
                        }\r
                                        \r


@@ -727,11 +730,9 @@ int CmdHF14AMfRestore(const char *Cmd)
        }\r
        \r
        fclose(fdump);\r
        }\r
        \r
        fclose(fdump);\r

-       fclose(fkeys);\r

        return 0;\r
 }\r
 \r
        return 0;\r
 }\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


@@ -880,6 +881,7 @@ int CmdHF14AMfNested(const char *Cmd)
                                        PrintAndLog("-----------------------------------------------");\r
                                        if(mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate)) {\r
                                                PrintAndLog("Nested error.\n");\r
                                        PrintAndLog("-----------------------------------------------");\r
                                        if(mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate)) {\r
                                                PrintAndLog("Nested error.\n");\r

+                                               free(e_sector);\r

                                                return 2;\r
                                        }\r
                                        else {\r
                                                return 2;\r
                                        }\r
                                        else {\r


@@ -954,11 +956,9 @@ int CmdHF14AMfNested(const char *Cmd)
                \r
                free(e_sector);\r
        }\r
                \r
                free(e_sector);\r
        }\r

-\r

        return 0;\r
 }\r
 \r
        return 0;\r
 }\r
 \r

-\r

 int CmdHF14AMfChk(const char *Cmd)\r
 {\r
        if (strlen(Cmd)<3) {\r
 int CmdHF14AMfChk(const char *Cmd)\r
 {\r
        if (strlen(Cmd)<3) {\r


@@ -988,7 +988,6 @@ int CmdHF14AMfChk(const char *Cmd)
        int transferToEml = 0;\r
        int createDumpFile = 0;\r
 \r
        int transferToEml = 0;\r
        int createDumpFile = 0;\r
 \r

-\r

        keyBlock = calloc(stKeyBlock, 6);\r
        if (keyBlock == NULL) return 1;\r
 \r
        keyBlock = calloc(stKeyBlock, 6);\r
        if (keyBlock == NULL) return 1;\r
 \r


@@ -1015,7 +1014,6 @@ int CmdHF14AMfChk(const char *Cmd)
                num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));\r
        }\r
        \r
                num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6));\r
        }\r
        \r

-       \r

        if (param_getchar(Cmd, 0)=='*') {\r
                blockNo = 3;\r
                switch(param_getchar(Cmd+1, 0)) {\r
        if (param_getchar(Cmd, 0)=='*') {\r
                blockNo = 3;\r
                switch(param_getchar(Cmd+1, 0)) {\r


@@ -1108,6 +1106,7 @@ int CmdHF14AMfChk(const char *Cmd)
                                PrintAndLog("File: %s: not found or locked.", filename);\r
                                free(keyBlock);\r
                                return 1;\r
                                PrintAndLog("File: %s: not found or locked.", filename);\r
                                free(keyBlock);\r
                                return 1;\r

+                       \r

                        }\r
                }\r
        }\r
                        }\r
                }\r
        }\r


@@ -1185,11 +1184,10 @@ int CmdHF14AMfChk(const char *Cmd)
        }\r
 \r
        free(keyBlock);\r
        }\r
 \r
        free(keyBlock);\r

-\r
+       PrintAndLog("");\r

        return 0;\r
 }\r
 \r
        return 0;\r
 }\r
 \r

-\r

 int CmdHF14AMf1kSim(const char *Cmd)\r
 {\r
        uint8_t uid[7] = {0, 0, 0, 0, 0, 0, 0};\r
 int CmdHF14AMf1kSim(const char *Cmd)\r
 {\r
        uint8_t uid[7] = {0, 0, 0, 0, 0, 0, 0};\r


@@ -1255,7 +1253,6 @@ int CmdHF14AMf1kSim(const char *Cmd)
        return 0;\r
 }\r
 \r
        return 0;\r
 }\r
 \r

-\r

 int CmdHF14AMfDbg(const char *Cmd)\r
 {\r
        int dbgMode = param_get32ex(Cmd, 0, 0, 10);\r
 int CmdHF14AMfDbg(const char *Cmd)\r
 {\r
        int dbgMode = param_get32ex(Cmd, 0, 0, 10);\r


@@ -1280,7 +1277,6 @@ int CmdHF14AMfDbg(const char *Cmd)
   return 0;\r
 }\r
 \r
   return 0;\r
 }\r
 \r

-\r

 int CmdHF14AMfEGet(const char *Cmd)\r
 {\r
        uint8_t blockNo = 0;\r
 int CmdHF14AMfEGet(const char *Cmd)\r
 {\r
        uint8_t blockNo = 0;\r


@@ -1304,7 +1300,6 @@ int CmdHF14AMfEGet(const char *Cmd)
   return 0;\r
 }\r
 \r
   return 0;\r
 }\r
 \r

-\r

 int CmdHF14AMfEClear(const char *Cmd)\r
 {\r
        if (param_getchar(Cmd, 0) == 'h') {\r
 int CmdHF14AMfEClear(const char *Cmd)\r
 {\r
        if (param_getchar(Cmd, 0) == 'h') {\r


@@ -1377,7 +1372,7 @@ int CmdHF14AMfELoad(const char *Cmd)
        // open file\r
        f = fopen(filename, "r");\r
        if (f == NULL) {\r
        // open file\r
        f = fopen(filename, "r");\r
        if (f == NULL) {\r

-               PrintAndLog("File not found or locked.");\r
+               PrintAndLog("File %s not found or locked", filename);\r

                return 1;\r
        }\r
        \r
                return 1;\r
        }\r
        \r


@@ -1401,8 +1396,8 @@ int CmdHF14AMfELoad(const char *Cmd)
                }\r
                for (i = 0; i < 32; i += 2) {\r
                        sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);\r
                }\r
                for (i = 0; i < 32; i += 2) {\r
                        sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);\r

-//                     PrintAndLog("data[%02d]:%s", blockNum, sprint_hex(buf8, 16));\r

                }\r
                }\r

+               \r

                if (mfEmlSetMem(buf8, blockNum, 1)) {\r
                        PrintAndLog("Cant set emul block: %3d", blockNum);\r
                        fclose(f);\r
                if (mfEmlSetMem(buf8, blockNum, 1)) {\r
                        PrintAndLog("Cant set emul block: %3d", blockNum);\r
                        fclose(f);\r


@@ -1470,7 +1465,7 @@ int CmdHF14AMfESave(const char *Cmd)
                        break;\r
                }\r
                for (j = 0; j < 16; j++)\r
                        break;\r
                }\r
                for (j = 0; j < 16; j++)\r

-                       fprintf(f, "%02x", buf[j]); \r
+                       fprintf(f, "%02X", buf[j]); \r

                fprintf(f,"\n");\r
        }\r
        fclose(f);\r
                fprintf(f,"\n");\r
        }\r
        fclose(f);\r


@@ -1548,8 +1543,8 @@ int CmdHF14AMfEKeyPrn(const char *Cmd)
 int CmdHF14AMfCSetUID(const char *Cmd)\r
 {\r
        uint8_t wipeCard = 0;\r
 int CmdHF14AMfCSetUID(const char *Cmd)\r
 {\r
        uint8_t wipeCard = 0;\r

-       uint8_t uid[8] = {0};\r
-       uint8_t oldUid[8]= {0};\r
+       uint8_t uid[8] = {0x00};\r
+       uint8_t oldUid[8] = {0x00};\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


@@ -1577,10 +1572,10 @@ int CmdHF14AMfCSetUID(const char *Cmd)
                }\r
        \r
        PrintAndLog("old UID:%s", sprint_hex(oldUid, 4));\r
                }\r
        \r
        PrintAndLog("old UID:%s", sprint_hex(oldUid, 4));\r

+       PrintAndLog("new UID:%s", sprint_hex(uid, 4));\r

        return 0;\r
 }\r
 \r
        return 0;\r
 }\r
 \r

-\r

 int CmdHF14AMfCSetBlk(const char *Cmd)\r
 {\r
        uint8_t uid[8];\r
 int CmdHF14AMfCSetBlk(const char *Cmd)\r
 {\r
        uint8_t uid[8];\r


@@ -1715,7 +1710,6 @@ int CmdHF14AMfCLoad(const char *Cmd)
        }\r
 }\r
 \r
        }\r
 }\r
 \r

-\r

 int CmdHF14AMfCGetBlk(const char *Cmd) {\r
        uint8_t memBlock[16];\r
        uint8_t blockNo = 0;\r
 int CmdHF14AMfCGetBlk(const char *Cmd) {\r
        uint8_t memBlock[16];\r
        uint8_t blockNo = 0;\r


@@ -1871,7 +1865,7 @@ int CmdHF14AMfCSave(const char *Cmd) {
 \r
 \r
 int CmdHF14AMfSniff(const char *Cmd){\r
 \r
 \r
 int CmdHF14AMfSniff(const char *Cmd){\r

-       // params\r
+\r

        bool wantLogToFile = 0;\r
        bool wantDecrypt = 0;\r
        //bool wantSaveToEml = 0; TODO\r
        bool wantLogToFile = 0;\r
        bool wantDecrypt = 0;\r
        //bool wantSaveToEml = 0; TODO\r


@@ -1888,7 +1882,6 @@ int CmdHF14AMfSniff(const char *Cmd){
        uint8_t atqa[2];\r
        uint8_t sak;\r
        bool isTag;\r
        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
        uint8_t buf[3000];\r
        uint8_t * bufPtr = buf;\r
        memset(buf, 0x00, 3000);\r


@@ -1899,8 +1892,8 @@ int CmdHF14AMfSniff(const char *Cmd){
                PrintAndLog("    l - save encrypted sequence to logfile `uid.log`");\r
                PrintAndLog("    d - decrypt sequence and put it to log file `uid.log`");\r
                PrintAndLog(" n/a   e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");\r
                PrintAndLog("    l - save encrypted sequence to logfile `uid.log`");\r
                PrintAndLog("    d - decrypt sequence and put it to log file `uid.log`");\r
                PrintAndLog(" n/a   e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory");\r

-               PrintAndLog("    r - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");\r
-               PrintAndLog("Usage:  hf mf sniff [l][d][e][r]");\r
+               PrintAndLog("    f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`");\r
+               PrintAndLog("Usage:  hf mf sniff [l][d][e][f]");\r

                PrintAndLog("  sample: hf mf sniff l d e");\r
                return 0;\r
        }       \r
                PrintAndLog("  sample: hf mf sniff l d e");\r
                return 0;\r
        }       \r


@@ -1955,14 +1948,19 @@ int CmdHF14AMfSniff(const char *Cmd){
                                printf(">\n");\r
                                PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum);\r
                                num = 0;\r
                                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;\r
+                                       len = *((uint16_t *)bufPtr);\r
+\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
+                                       \r

                                                memcpy(uid, bufPtr + 2, 7);\r
                                                memcpy(atqa, bufPtr + 2 + 7, 2);\r
                                                uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;\r
                                                memcpy(uid, bufPtr + 2, 7);\r
                                                memcpy(atqa, bufPtr + 2 + 7, 2);\r
                                                uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4;\r


@@ -1977,17 +1975,21 @@ int CmdHF14AMfSniff(const char *Cmd){
                                                        FillFileNameByUID(logHexFileName, uid + (7 - uid_len), ".log", uid_len);\r
                                                        AddLogCurrentDT(logHexFileName);\r
                                                }                                               \r
                                                        FillFileNameByUID(logHexFileName, uid + (7 - uid_len), ".log", uid_len);\r
                                                        AddLogCurrentDT(logHexFileName);\r
                                                }                                               \r

-                                               if (wantDecrypt) mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);\r
+                                               if (wantDecrypt) \r
+                                                       mfTraceInit(uid, atqa, sak, wantSaveToEmlFile);\r

                                        } else {\r
                                                PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len));\r
                                        } 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 (wantLogToFile) \r
+                                                       AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len);\r
+                                               if (wantDecrypt) \r
+                                                       mfTraceDecode(bufPtr, len, wantSaveToEmlFile);\r

                                        }\r
                                        bufPtr += len;\r
                                        }\r
                                        bufPtr += len;\r

+                                       bufPtr += ((len-1)/8+1);        // ignore parity\r

                                        num++;\r
                                }\r
                        }\r
                                        num++;\r
                                }\r
                        }\r

-               } // resp not NILL\r
+               } // resp not NULL\r

        } // while (true)\r
        \r
        return 0;\r
        } // while (true)\r
        \r
        return 0;\r