X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/7b7416bd3b7e0b9a3003ec33da943bd26b505d82..ac4ecfe35327f827aeaf8426af2662c656affd2c:/client/cmdhfmf.c diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c index dbb6d092..fa952cb9 100644 --- a/client/cmdhfmf.c +++ b/client/cmdhfmf.c @@ -15,9 +15,10 @@ #include #include #include -#include "proxmark3.h" +#include "comms.h" #include "cmdmain.h" #include "cmdhfmfhard.h" +#include "parity.h" #include "util.h" #include "util_posix.h" #include "usb_cmd.h" @@ -26,6 +27,9 @@ #include "mifare.h" #include "mfkey.h" #include "hardnested/hardnested_bf_core.h" +#include "cliparser/cliparser.h" +#include "cmdhf14a.h" +#include "mifare4.h" #define NESTED_SECTOR_RETRY 10 // how often we try mfested() until we give up @@ -137,12 +141,26 @@ int CmdHF14AMfRdBl(const char *Cmd) uint8_t isOK = resp.arg[0] & 0xff; uint8_t *data = resp.d.asBytes; - if (isOK) + if (isOK) { PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 16)); - else + } else { PrintAndLog("isOk:%02x", isOK); + return 1; + } + + if (mfIsSectorTrailer(blockNo) && (data[6] || data[7] || data[8])) { + PrintAndLogEx(NORMAL, "Trailer decoded:"); + int bln = mfFirstBlockOfSector(mfSectorNum(blockNo)); + int blinc = (mfNumBlocksPerSector(mfSectorNum(blockNo)) > 4) ? 5 : 1; + for (int i = 0; i < 4; i++) { + PrintAndLogEx(NORMAL, "Access block %d%s: %s", bln, ((blinc > 1) && (i < 3) ? "+" : "") , mfGetAccessConditionsDesc(i, &data[6])); + bln += blinc; + } + PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&data[9], 1)); + } } else { PrintAndLog("Command execute timeout"); + return 2; } return 0; @@ -530,7 +548,7 @@ int CmdHF14AMfRestore(const char *Cmd) //---------------------------------------------- static void parseParamTDS(const char *Cmd, const uint8_t indx, bool *paramT, bool *paramD, uint8_t *timeout) { - char ctmp3[3] = {0}; + char ctmp3[4] = {0}; int len = param_getlength(Cmd, indx); if (len > 0 && len < 4){ param_getstr(Cmd, indx, ctmp3, sizeof(ctmp3)); @@ -683,9 +701,9 @@ int CmdHF14AMfNested(const char *Cmd) if (transferToEml) { uint8_t sectortrailer; if (trgBlockNo < 32*4) { // 4 block sector - sectortrailer = (trgBlockNo & ~0x03) + 3; + sectortrailer = trgBlockNo | 0x03; } else { // 16 block sector - sectortrailer = (trgBlockNo & ~0x0f) + 15; + sectortrailer = trgBlockNo | 0x0f; } mfEmlGetMem(keyBlock, sectortrailer, 1); @@ -725,7 +743,6 @@ int CmdHF14AMfNested(const char *Cmd) blockNo = i * 4; keyType = j; num_to_bytes(e_sector[i].Key[j], 6, key); - keyFound = true; break; } @@ -736,6 +753,7 @@ int CmdHF14AMfNested(const char *Cmd) // Can't found a key.... if (!keyFound) { PrintAndLog("Can't found any of the known keys."); + free(e_sector); return 4; } PrintAndLog("--auto key. block no:%3d, key type:%c key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6)); @@ -1014,10 +1032,10 @@ int CmdHF14AMfChk(const char *Cmd) PrintAndLog("Usage: hf mf chk |<*card memory> [t|d|s|ss] [] []"); PrintAndLog(" * - all sectors"); PrintAndLog("card memory - 0 - MINI(320 bytes), 1 - 1K, 2 - 2K, 4 - 4K, - 1K"); - PrintAndLog("d - write keys to binary file\n"); - PrintAndLog("t - write keys to emulator memory"); - PrintAndLog("s - slow execute. timeout 1ms"); - PrintAndLog("ss- very slow execute. timeout 5ms"); + PrintAndLog("d - write keys to binary file\n"); + PrintAndLog("t - write keys to emulator memory"); + PrintAndLog("s - slow execute. timeout 1ms"); + PrintAndLog("ss - very slow execute. timeout 5ms"); PrintAndLog(" sample: hf mf chk 0 A 1234567890ab keys.dic"); PrintAndLog(" hf mf chk *1 ? t"); PrintAndLog(" hf mf chk *1 ? d"); @@ -1036,16 +1054,16 @@ int CmdHF14AMfChk(const char *Cmd) int keycnt = 0; char ctmp = 0x00; int clen = 0; - char ctmp3[3] = {0x00}; uint8_t blockNo = 0; uint8_t SectorsCnt = 0; uint8_t keyType = 0; uint64_t key64 = 0; - uint32_t timeout14a = 0; // timeout in us + // timeout in units. (ms * 106)/10 or us*0.0106 + uint8_t btimeout14a = MF_CHKKEYS_DEFTIMEOUT; // fast by default bool param3InUse = false; - int transferToEml = 0; - int createDumpFile = 0; + bool transferToEml = 0; + bool createDumpFile = 0; sector_t *e_sector = NULL; @@ -1083,33 +1101,13 @@ int CmdHF14AMfChk(const char *Cmd) }; } - // transfer to emulator & create dump file - ctmp = param_getchar(Cmd, 2); - clen = param_getlength(Cmd, 2); - if (clen == 1 && (ctmp == 't' || ctmp == 'T')) transferToEml = 1; - if (clen == 1 && (ctmp == 'd' || ctmp == 'D')) createDumpFile = 1; - - param3InUse = transferToEml | createDumpFile; + parseParamTDS(Cmd, 2, &transferToEml, &createDumpFile, &btimeout14a); - timeout14a = 500; // fast by default - // double parameters - ts, ds - clen = param_getlength(Cmd, 2); - if (clen == 2 || clen == 3){ - param_getstr(Cmd, 2, ctmp3, sizeof(ctmp3)); - ctmp = ctmp3[1]; - } - //parse - if (ctmp == 's' || ctmp == 'S') { - timeout14a = 1000; // slow - if (!param3InUse && clen == 2 && (ctmp3[1] == 's' || ctmp3[1] == 'S')) { - timeout14a = 5000; // very slow - } - if (param3InUse && clen == 3 && (ctmp3[2] == 's' || ctmp3[2] == 'S')) { - timeout14a = 5000; // very slow - } - param3InUse = true; - } + param3InUse = transferToEml | createDumpFile | (btimeout14a != MF_CHKKEYS_DEFTIMEOUT); + PrintAndLog("--chk keys. sectors:%2d, block no:%3d, key type:%c, eml:%c, dmp=%c checktimeout=%d us", + SectorsCnt, blockNo, keyType?'B':'A', transferToEml?'y':'n', createDumpFile?'y':'n', ((int)btimeout14a * 10000) / 106); + for (i = param3InUse; param_getchar(Cmd, 2 + i); i++) { if (!param_gethex(Cmd, 2 + i, keyBlock + 6 * keycnt, 12)) { if ( stKeyBlock - keycnt < 2) { @@ -1186,7 +1184,10 @@ int CmdHF14AMfChk(const char *Cmd) // initialize storage for found keys e_sector = calloc(SectorsCnt, sizeof(sector_t)); - if (e_sector == NULL) return 1; + if (e_sector == NULL) { + free(keyBlock); + return 1; + } for (uint8_t keyAB = 0; keyAB < 2; keyAB++) { for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) { e_sector[sectorNo].Key[keyAB] = 0xffffffffffff; @@ -1203,7 +1204,7 @@ int CmdHF14AMfChk(const char *Cmd) for (uint32_t c = 0; c < keycnt; c += max_keys) { uint32_t size = keycnt-c > max_keys ? max_keys : keycnt-c; - res = mfCheckKeysSec(SectorsCnt, keyType, timeout14a * 1.06 / 100, true, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106 + res = mfCheckKeysSec(SectorsCnt, keyType, btimeout14a, true, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106 if (res != 1) { if (!res) { @@ -2285,6 +2286,20 @@ int CmdHF14AMfCGetBlk(const char *Cmd) { } PrintAndLog("block data:%s", sprint_hex(memBlock, 16)); + + if (mfIsSectorTrailer(blockNo)) { + PrintAndLogEx(NORMAL, "Trailer decoded:"); + PrintAndLogEx(NORMAL, "Key A: %s", sprint_hex_inrow(memBlock, 6)); + PrintAndLogEx(NORMAL, "Key B: %s", sprint_hex_inrow(&memBlock[10], 6)); + int bln = mfFirstBlockOfSector(mfSectorNum(blockNo)); + int blinc = (mfNumBlocksPerSector(mfSectorNum(blockNo)) > 4) ? 5 : 1; + for (int i = 0; i < 4; i++) { + PrintAndLogEx(NORMAL, "Access block %d%s: %s", bln, ((blinc > 1) && (i < 3) ? "+" : "") , mfGetAccessConditionsDesc(i, &memBlock[6])); + bln += blinc; + } + PrintAndLogEx(NORMAL, "UserData: %s", sprint_hex_inrow(&memBlock[9], 1)); + } + return 0; } @@ -2470,6 +2485,7 @@ int CmdHF14AMfSniff(const char *Cmd){ //var int res = 0; int len = 0; + int parlen = 0; int blockLen = 0; int pckNum = 0; int num = 0; @@ -2481,6 +2497,7 @@ int CmdHF14AMfSniff(const char *Cmd){ uint8_t *buf = NULL; uint16_t bufsize = 0; uint8_t *bufPtr = NULL; + uint8_t parity[16]; char ctmp = param_getchar(Cmd, 0); if ( ctmp == 'h' || ctmp == 'H' ) { @@ -2572,6 +2589,7 @@ int CmdHF14AMfSniff(const char *Cmd){ } else { isTag = false; } + parlen = (len - 1) / 8 + 1; bufPtr += 2; if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) { memcpy(uid, bufPtr + 2, 7); @@ -2590,15 +2608,22 @@ int CmdHF14AMfSniff(const char *Cmd){ if (wantDecrypt) mfTraceInit(uid, atqa, sak, wantSaveToEmlFile); } else { - PrintAndLog("%s(%d):%s", isTag ? "TAG":"RDR", num, sprint_hex(bufPtr, len)); + oddparitybuf(bufPtr, len, parity); + PrintAndLog("%s(%d):%s [%s] c[%s]%c", + isTag ? "TAG":"RDR", + num, + sprint_hex(bufPtr, len), + printBitsPar(bufPtr + len, len), + printBitsPar(parity, len), + memcmp(bufPtr + len, parity, len / 8 + 1) ? '!' : ' '); if (wantLogToFile) AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len); if (wantDecrypt) - mfTraceDecode(bufPtr, len, wantSaveToEmlFile); + mfTraceDecode(bufPtr, len, bufPtr[len], wantSaveToEmlFile); num++; } bufPtr += len; - bufPtr += ((len-1)/8+1); // ignore parity + bufPtr += parlen; // ignore parity } pckNum = 0; } @@ -2620,6 +2645,42 @@ int CmdDecryptTraceCmds(const char *Cmd){ return tryDecryptWord(param_get32ex(Cmd,0,0,16),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),data,len/2); } +int CmdHF14AMfAuth4(const char *cmd) { + uint8_t keyn[20] = {0}; + int keynlen = 0; + uint8_t key[16] = {0}; + int keylen = 0; + + CLIParserInit("hf mf auth4", + "Executes AES authentication command in ISO14443-4", + "Usage:\n\thf mf auth4 4000 000102030405060708090a0b0c0d0e0f -> executes authentication\n" + "\thf mf auth4 9003 FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF -> executes authentication\n"); + + void* argtable[] = { + arg_param_begin, + arg_str1(NULL, NULL, "", NULL), + arg_str1(NULL, NULL, "", NULL), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); + + CLIGetHexWithReturn(1, keyn, &keynlen); + CLIGetHexWithReturn(2, key, &keylen); + CLIParserFree(); + + if (keynlen != 2) { + PrintAndLog("ERROR: must be 2 bytes long instead of: %d", keynlen); + return 1; + } + + if (keylen != 16) { + PrintAndLog("ERROR: must be 16 bytes long instead of: %d", keylen); + return 1; + } + + return MifareAuth4(NULL, keyn, key, true, false, true); +} + static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, @@ -2629,6 +2690,7 @@ static command_t CommandTable[] = {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"}, {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"}, {"wrbl", CmdHF14AMfWrBl, 0, "Write MIFARE classic block"}, + {"auth4", CmdHF14AMfAuth4, 0, "ISO14443-4 AES authentication"}, {"chk", CmdHF14AMfChk, 0, "Test block keys"}, {"mifare", CmdHF14AMifare, 0, "Read parity error messages."}, {"hardnested", CmdHF14AMfNestedHard, 0, "Nested attack for hardened Mifare cards"}, @@ -2655,11 +2717,9 @@ static command_t CommandTable[] = int CmdHFMF(const char *Cmd) { - // flush - WaitForResponseTimeout(CMD_ACK,NULL,100); - - CmdsParse(CommandTable, Cmd); - return 0; + (void)WaitForResponseTimeout(CMD_ACK,NULL,100); + CmdsParse(CommandTable, Cmd); + return 0; } int CmdHelp(const char *Cmd)