X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/9332b857ffeee343334064d3ca53048f59c55e50..3e110ad5ee5e3e8662be4a65e8602114fda59ac0:/client/cmdhficlass.c diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c index 577baa54..ec1b2c8a 100644 --- a/client/cmdhficlass.c +++ b/client/cmdhficlass.c @@ -269,10 +269,9 @@ int CmdHFiClassELoad(const char *Cmd) { //File handling and reading FILE *f; char filename[FILE_PATH_SIZE]; - if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0) - { + if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0) { f = fopen(filename, "rb"); - }else{ + } else { return hf_iclass_eload_usage(); } @@ -285,8 +284,13 @@ int CmdHFiClassELoad(const char *Cmd) { long fsize = ftell(f); fseek(f, 0, SEEK_SET); - uint8_t *dump = malloc(fsize); + if (fsize < 0) { + prnlog("Error, when getting filesize"); + fclose(f); + return 1; + } + uint8_t *dump = malloc(fsize); size_t bytes_read = fread(dump, 1, fsize, f); fclose(f); @@ -370,12 +374,15 @@ int CmdHFiClassDecrypt(const char *Cmd) { //Open the tagdump-file FILE *f; char filename[FILE_PATH_SIZE]; - if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0) - { - f = fopen(filename, "rb"); - }else{ + if(opt == 'f' && param_getstr(Cmd, 1, filename) > 0) { + if ( (f = fopen(filename, "rb")) == NULL) { + PrintAndLog("Could not find file %s", filename); + return 1; + } + + } else { return usage_hf_iclass_decrypt(); - } + } fseek(f, 0, SEEK_END); long fsize = ftell(f); @@ -409,6 +416,7 @@ int CmdHFiClassDecrypt(const char *Cmd) { saveFile(outfilename,"bin", decrypted, blocknum*8); + free(decrypted); return 0; } @@ -502,7 +510,7 @@ static bool select_only(uint8_t *CSN, uint8_t *CCNR, bool use_credit_key, bool v return true; } -static bool select_and_auth(uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool use_credit_key, bool elite, bool verbose) { +static bool select_and_auth(uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool use_credit_key, bool elite, bool rawkey, bool verbose) { uint8_t CSN[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; uint8_t CCNR[12]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; @@ -510,7 +518,11 @@ static bool select_and_auth(uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool u return false; //get div_key + if(rawkey) + memcpy(div_key, KEY, 8); + else HFiClassCalcDivKey(CSN, KEY, div_key, elite); + PrintAndLog("Authing with %s: %02x%02x%02x%02x%02x%02x%02x%02x", rawkey ? "raw key" : "diversified key", div_key[0],div_key[1],div_key[2],div_key[3],div_key[4],div_key[5],div_key[6],div_key[7]); doMAC(CCNR, div_key, MAC); UsbCommand resp; @@ -532,7 +544,7 @@ static bool select_and_auth(uint8_t *KEY, uint8_t *MAC, uint8_t *div_key, bool u } int usage_hf_iclass_dump(void) { - PrintAndLog("Usage: hf iclass dump f k c e\n"); + PrintAndLog("Usage: hf iclass dump f k c e|r\n"); PrintAndLog("Options:"); PrintAndLog(" f : specify a filename to save dump to"); PrintAndLog(" k : *Access Key as 16 hex symbols or 1 hex to select key from memory"); @@ -540,6 +552,7 @@ int usage_hf_iclass_dump(void) { PrintAndLog(" e : If 'e' is specified, the key is interpreted as the 16 byte"); PrintAndLog(" Custom Key (KCus), which can be obtained via reader-attack"); PrintAndLog(" See 'hf iclass sim 2'. This key should be on iclass-format"); + PrintAndLog(" r : If 'r' is specified, the key is interpreted as raw block 3/4"); PrintAndLog(" NOTE: * = required"); PrintAndLog("Samples:"); PrintAndLog(" hf iclass dump k 001122334455667B"); @@ -569,6 +582,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) { bool have_credit_key = false; bool use_credit_key = false; bool elite = false; + bool rawkey = false; bool errors = false; uint8_t cmdp = 0; @@ -587,7 +601,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) { errors = param_gethex(tempStr, 0, CreditKEY, dataLen); } else if (dataLen == 1) { keyNbr = param_get8(Cmd, cmdp+1); - if (keyNbr <= ICLASS_KEYS_MAX) { + if (keyNbr < ICLASS_KEYS_MAX) { memcpy(CreditKEY, iClass_Key_Table[keyNbr], 8); } else { PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); @@ -621,7 +635,7 @@ int CmdHFiClassReader_Dump(const char *Cmd) { errors = param_gethex(tempStr, 0, KEY, dataLen); } else if (dataLen == 1) { keyNbr = param_get8(Cmd, cmdp+1); - if (keyNbr <= ICLASS_KEYS_MAX) { + if (keyNbr < ICLASS_KEYS_MAX) { memcpy(KEY, iClass_Key_Table[keyNbr], 8); } else { PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); @@ -633,6 +647,11 @@ int CmdHFiClassReader_Dump(const char *Cmd) { } cmdp += 2; break; + case 'r': + case 'R': + rawkey = true; + cmdp++; + break; default: PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); errors = true; @@ -676,9 +695,9 @@ int CmdHFiClassReader_Dump(const char *Cmd) { } ul_switch_off_field(); // authenticate debit key and get div_key - later store in dump block 3 - if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, false)){ + if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, false)){ //try twice - for some reason it sometimes fails the first time... - if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, false)){ + if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, false)){ ul_switch_off_field(); return 0; } @@ -716,9 +735,9 @@ int CmdHFiClassReader_Dump(const char *Cmd) { ul_switch_off_field(); memset(MAC,0,4); // AA2 authenticate credit key and git c_div_key - later store in dump block 4 - if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false)){ + if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){ //try twice - for some reason it sometimes fails the first time... - if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false)){ + if (!select_and_auth(CreditKEY, MAC, c_div_key, true, false, false, false)){ ul_switch_off_field(); return 0; } @@ -778,10 +797,10 @@ int CmdHFiClassReader_Dump(const char *Cmd) { return 1; } -static int WriteBlock(uint8_t blockno, uint8_t *bldata, uint8_t *KEY, bool use_credit_key, bool elite, bool verbose) { +static int WriteBlock(uint8_t blockno, uint8_t *bldata, uint8_t *KEY, bool use_credit_key, bool elite, bool rawkey, bool verbose) { uint8_t MAC[4]={0x00,0x00,0x00,0x00}; uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; - if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, verbose)) + if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, verbose)) return 0; UsbCommand resp; @@ -814,6 +833,7 @@ int usage_hf_iclass_writeblock(void) { PrintAndLog(" k : Access Key as 16 hex symbols or 1 hex to select key from memory"); PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n"); PrintAndLog(" e : If 'e' is specified, elite computations applied to key"); + PrintAndLog(" r : If 'r' is specified, no computations applied to key"); PrintAndLog("Samples:"); PrintAndLog(" hf iclass writeblk b 0A d AAAAAAAAAAAAAAAA k 001122334455667B"); PrintAndLog(" hf iclass writeblk b 1B d AAAAAAAAAAAAAAAA k 001122334455667B c"); @@ -830,6 +850,7 @@ int CmdHFiClass_WriteBlock(const char *Cmd) { char tempStr[50] = {0}; bool use_credit_key = false; bool elite = false; + bool rawkey= false; bool errors = false; uint8_t cmdp = 0; while(param_getchar(Cmd, cmdp) != 0x00) @@ -873,7 +894,7 @@ int CmdHFiClass_WriteBlock(const char *Cmd) { errors = param_gethex(tempStr, 0, KEY, dataLen); } else if (dataLen == 1) { keyNbr = param_get8(Cmd, cmdp+1); - if (keyNbr <= ICLASS_KEYS_MAX) { + if (keyNbr < ICLASS_KEYS_MAX) { memcpy(KEY, iClass_Key_Table[keyNbr], 8); } else { PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); @@ -885,6 +906,11 @@ int CmdHFiClass_WriteBlock(const char *Cmd) { } cmdp += 2; break; + case 'r': + case 'R': + rawkey = true; + cmdp++; + break; default: PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); errors = true; @@ -894,13 +920,13 @@ int CmdHFiClass_WriteBlock(const char *Cmd) { } if (cmdp < 6) return usage_hf_iclass_writeblock(); - int ans = WriteBlock(blockno, bldata, KEY, use_credit_key, elite, true); + int ans = WriteBlock(blockno, bldata, KEY, use_credit_key, elite, rawkey, true); ul_switch_off_field(); return ans; } int usage_hf_iclass_clone(void) { - PrintAndLog("Usage: hf iclass clone f b l k e c"); + PrintAndLog("Usage: hf iclass clone f b l k c e|r"); PrintAndLog("Options:"); PrintAndLog(" f : specify a filename to clone from"); PrintAndLog(" b : The first block to clone as 2 hex symbols"); @@ -908,6 +934,7 @@ int usage_hf_iclass_clone(void) { PrintAndLog(" k : Access Key as 16 hex symbols or 1 hex to select key from memory"); PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n"); PrintAndLog(" e : If 'e' is specified, elite computations applied to key"); + PrintAndLog(" r : If 'r' is specified, no computations applied to key"); PrintAndLog("Samples:"); PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 06 l 1A k 1122334455667788 e"); PrintAndLog(" hf iclass clone f iclass_tagdump-121345.bin b 05 l 19 k 0"); @@ -916,7 +943,7 @@ int usage_hf_iclass_clone(void) { } int CmdHFiClassCloneTag(const char *Cmd) { - char filename[FILE_PATH_SIZE]; + char filename[FILE_PATH_SIZE] = { 0x00 }; char tempStr[50]={0}; uint8_t KEY[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; uint8_t keyNbr = 0; @@ -926,6 +953,7 @@ int CmdHFiClassCloneTag(const char *Cmd) { uint8_t dataLen = 0; bool use_credit_key = false; bool elite = false; + bool rawkey = false; bool errors = false; uint8_t cmdp = 0; while(param_getchar(Cmd, cmdp) != 0x00) @@ -969,7 +997,7 @@ int CmdHFiClassCloneTag(const char *Cmd) { errors = param_gethex(tempStr, 0, KEY, dataLen); } else if (dataLen == 1) { keyNbr = param_get8(Cmd, cmdp+1); - if (keyNbr <= ICLASS_KEYS_MAX) { + if (keyNbr < ICLASS_KEYS_MAX) { memcpy(KEY, iClass_Key_Table[keyNbr], 8); } else { PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); @@ -989,6 +1017,11 @@ int CmdHFiClassCloneTag(const char *Cmd) { } cmdp += 2; break; + case 'r': + case 'R': + rawkey = true; + cmdp++; + break; default: PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); errors = true; @@ -1015,6 +1048,7 @@ int CmdHFiClassCloneTag(const char *Cmd) { if (startblock<5) { PrintAndLog("You cannot write key blocks this way. yet... make your start block > 4"); + fclose(f); return 0; } // now read data from the file from block 6 --- 19 @@ -1032,7 +1066,7 @@ int CmdHFiClassCloneTag(const char *Cmd) { uint8_t MAC[4]={0x00,0x00,0x00,0x00}; uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; - if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, true)) + if (!select_and_auth(KEY, MAC, div_key, use_credit_key, elite, rawkey, true)) return 0; UsbCommand w = {CMD_ICLASS_CLONE,{startblock,endblock}}; @@ -1065,11 +1099,11 @@ int CmdHFiClassCloneTag(const char *Cmd) { return 1; } -static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, bool verbose) { +static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, bool rawkey, bool verbose) { uint8_t MAC[4]={0x00,0x00,0x00,0x00}; uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; - if (!select_and_auth(KEY, MAC, div_key, (keyType==0x18), elite, verbose)) + if (!select_and_auth(KEY, MAC, div_key, (keyType==0x18), elite, rawkey, verbose)) return 0; UsbCommand resp; @@ -1092,12 +1126,13 @@ static int ReadBlock(uint8_t *KEY, uint8_t blockno, uint8_t keyType, bool elite, } int usage_hf_iclass_readblock(void) { - PrintAndLog("Usage: hf iclass readblk b k c e\n"); + PrintAndLog("Usage: hf iclass readblk b k c e|r\n"); PrintAndLog("Options:"); PrintAndLog(" b : The block number as 2 hex symbols"); PrintAndLog(" k : Access Key as 16 hex symbols or 1 hex to select key from memory"); PrintAndLog(" c : If 'c' is specified, the key set is assumed to be the credit key\n"); PrintAndLog(" e : If 'e' is specified, elite computations applied to key"); + PrintAndLog(" r : If 'r' is specified, no computations applied to key"); PrintAndLog("Samples:"); PrintAndLog(" hf iclass readblk b 06 k 0011223344556677"); PrintAndLog(" hf iclass readblk b 1B k 0011223344556677 c"); @@ -1113,6 +1148,7 @@ int CmdHFiClass_ReadBlock(const char *Cmd) { uint8_t dataLen = 0; char tempStr[50] = {0}; bool elite = false; + bool rawkey = false; bool errors = false; uint8_t cmdp = 0; while(param_getchar(Cmd, cmdp) != 0x00) @@ -1147,7 +1183,7 @@ int CmdHFiClass_ReadBlock(const char *Cmd) { errors = param_gethex(tempStr, 0, KEY, dataLen); } else if (dataLen == 1) { keyNbr = param_get8(Cmd, cmdp+1); - if (keyNbr <= ICLASS_KEYS_MAX) { + if (keyNbr < ICLASS_KEYS_MAX) { memcpy(KEY, iClass_Key_Table[keyNbr], 8); } else { PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); @@ -1159,6 +1195,11 @@ int CmdHFiClass_ReadBlock(const char *Cmd) { } cmdp += 2; break; + case 'r': + case 'R': + rawkey = true; + cmdp++; + break; default: PrintAndLog("Unknown parameter '%c'\n", param_getchar(Cmd, cmdp)); errors = true; @@ -1169,7 +1210,7 @@ int CmdHFiClass_ReadBlock(const char *Cmd) { if (cmdp < 4) return usage_hf_iclass_readblock(); - return ReadBlock(KEY, blockno, keyType, elite, true); + return ReadBlock(KEY, blockno, keyType, elite, rawkey, true); } int CmdHFiClass_loclass(const char *Cmd) { @@ -1279,8 +1320,13 @@ int CmdHFiClassReadTagFile(const char *Cmd) { long fsize = ftell(f); fseek(f, 0, SEEK_SET); - uint8_t *dump = malloc(fsize); + if ( fsize < 0 ) { + PrintAndLog("Error, when getting filesize"); + fclose(f); + return 1; + } + uint8_t *dump = malloc(fsize); size_t bytes_read = fread(dump, 1, fsize, f); fclose(f); @@ -1405,7 +1451,7 @@ int CmdHFiClassCalcNewKey(const char *Cmd) { errors = param_gethex(tempStr, 0, NEWKEY, dataLen); } else if (dataLen == 1) { keyNbr = param_get8(Cmd, cmdp+1); - if (keyNbr <= ICLASS_KEYS_MAX) { + if (keyNbr < ICLASS_KEYS_MAX) { memcpy(NEWKEY, iClass_Key_Table[keyNbr], 8); } else { PrintAndLog("\nERROR: NewKey Nbr is invalid\n"); @@ -1424,7 +1470,7 @@ int CmdHFiClassCalcNewKey(const char *Cmd) { errors = param_gethex(tempStr, 0, OLDKEY, dataLen); } else if (dataLen == 1) { keyNbr = param_get8(Cmd, cmdp+1); - if (keyNbr <= ICLASS_KEYS_MAX) { + if (keyNbr < ICLASS_KEYS_MAX) { memcpy(OLDKEY, iClass_Key_Table[keyNbr], 8); } else { PrintAndLog("\nERROR: Credit KeyNbr is invalid\n"); @@ -1472,6 +1518,12 @@ static int loadKeys(char *filename) { long fsize = ftell(f); fseek(f, 0, SEEK_SET); + if ( fsize < 0 ) { + PrintAndLog("Error, when getting filesize"); + fclose(f); + return 1; + } + uint8_t *dump = malloc(fsize); size_t bytes_read = fread(dump, 1, fsize, f); @@ -1564,7 +1616,7 @@ int CmdHFiClassManageKeys(const char *Cmd) { case 'n': case 'N': keyNbr = param_get8(Cmd, cmdp+1); - if (keyNbr < 0) { + if (keyNbr == 0) { PrintAndLog("Wrong block number"); errors = true; }