X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/952a8bb59b197973e35ae187fc8acd2027ee570d..568377946c910e27a319f39e4f81e6f3fd72ee92:/client/cmdhfmf.c diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c index 66c0b25d..21c0cde2 100644 --- a/client/cmdhfmf.c +++ b/client/cmdhfmf.c @@ -17,15 +17,14 @@ int CmdHF14AMifare(const char *Cmd) uint32_t uid = 0; uint32_t nt = 0, nr = 0; uint64_t par_list = 0, ks_list = 0, r_key = 0; - uint8_t isOK = 0; - uint8_t keyBlock[8] = {0}; + int16_t isOK = 0; UsbCommand c = {CMD_READER_MIFARE, {true, 0, 0}}; // message printf("-------------------------------------------------------------------------\n"); printf("Executing command. Expected execution time: 25sec on average :-)\n"); - printf("Press the key on the proxmark3 device to abort both proxmark3 and client.\n"); + printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n"); printf("-------------------------------------------------------------------------\n"); @@ -47,15 +46,22 @@ start: } UsbCommand resp; - if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) { - isOK = resp.arg[0] & 0xff; + if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) { + isOK = resp.arg[0]; uid = (uint32_t)bytes_to_num(resp.d.asBytes + 0, 4); nt = (uint32_t)bytes_to_num(resp.d.asBytes + 4, 4); par_list = bytes_to_num(resp.d.asBytes + 8, 8); ks_list = bytes_to_num(resp.d.asBytes + 16, 8); nr = bytes_to_num(resp.d.asBytes + 24, 4); printf("\n\n"); - if (!isOK) PrintAndLog("Proxmark can't get statistic info. Execution aborted.\n"); + switch (isOK) { + case -1 : PrintAndLog("Button pressed. Aborted.\n"); break; + case -2 : PrintAndLog("Card is not vulnerable to Darkside attack (doesn't send NACK on authentication requests).\n"); break; + case -3 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator is not predictable).\n"); break; + case -4 : PrintAndLog("Card is not vulnerable to Darkside attack (its random number generator seems to be based on the wellknown"); + PrintAndLog("generating polynomial with 16 effective bits only, but shows unexpected behaviour.\n"); break; + default: ; + } break; } } @@ -69,22 +75,13 @@ start: if (nonce2key(uid, nt, nr, par_list, ks_list, &r_key)) { isOK = 2; PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt); - } else { - printf("------------------------------------------------------------------\n"); - PrintAndLog("Key found:%012"llx" \n", r_key); - - num_to_bytes(r_key, 6, keyBlock); - isOK = mfCheckKeys(0, 0, 1, keyBlock, &r_key); - } - - if (!isOK) - PrintAndLog("Found valid key:%012"llx, r_key); - else - { - if (isOK != 2) PrintAndLog("Found invalid key. "); PrintAndLog("Failing is expected to happen in 25%% of all cases. Trying again with a different reader nonce..."); c.arg[0] = false; goto start; + } else { + isOK = 0; + printf("------------------------------------------------------------------\n"); + PrintAndLog("Found valid key:%012"llx" \n", r_key); } PrintAndLog(""); @@ -124,10 +121,11 @@ int CmdHF14AMfWrBl(const char *Cmd) PrintAndLog("--block no:%d, key type:%c, key:%s", blockNo, keyType?'B':'A', sprint_hex(key, 6)); PrintAndLog("--data: %s", sprint_hex(bldata, 16)); - UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}}; + UsbCommand c = {CMD_MIFARE_WRITEBL, {blockNo, keyType, 0}}; memcpy(c.d.asBytes, key, 6); memcpy(c.d.asBytes + 10, bldata, 16); - SendCommand(&c); + clearCommandBuffer(); + SendCommand(&c); UsbCommand resp; if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { @@ -140,123 +138,12 @@ int CmdHF14AMfWrBl(const char *Cmd) return 0; } -int CmdHF14AMfUWrBl(const char *Cmd) -{ - uint8_t blockNo = 0; - bool chinese_card=0; - uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - UsbCommand resp; - - if (strlen(Cmd)<3) { - PrintAndLog("Usage: hf mf uwrbl "); - PrintAndLog(" sample: hf mf uwrbl 0 01020304"); - return 0; - } - - blockNo = param_get8(Cmd, 0); - if (param_gethex(Cmd, 1, bldata, 8)) { - PrintAndLog("Block data must include 8 HEX symbols"); - return 1; - } - - if (strchr(Cmd,'w') != 0) { - chinese_card=1; - } - - switch(blockNo){ - case 0: - if (!chinese_card){ - PrintAndLog("Access Denied"); - }else{ - PrintAndLog("--specialblock no:%d", blockNo); - PrintAndLog("--data: %s", sprint_hex(bldata, 4)); - UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}}; - memcpy(d.d.asBytes,bldata, 4); - SendCommand(&d); - - if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { - uint8_t isOK = resp.arg[0] & 0xff; - PrintAndLog("isOk:%02x", isOK); - } else { - PrintAndLog("Command execute timeout"); - } - } - break; - case 1: - if (!chinese_card){ - PrintAndLog("Access Denied"); - }else{ - PrintAndLog("--specialblock no:%d", blockNo); - PrintAndLog("--data: %s", sprint_hex(bldata, 4)); - UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}}; - memcpy(d.d.asBytes,bldata, 4); - SendCommand(&d); - - if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { - uint8_t isOK = resp.arg[0] & 0xff; - PrintAndLog("isOk:%02x", isOK); - } else { - PrintAndLog("Command execute timeout"); - } - } - break; - case 2: - if (!chinese_card){ - PrintAndLog("Access Denied"); - }else{ - PrintAndLog("--specialblock no:%d", blockNo); - PrintAndLog("--data: %s", sprint_hex(bldata, 4)); - UsbCommand c = {CMD_MIFAREU_WRITEBL, {blockNo}}; - memcpy(c.d.asBytes, bldata, 4); - SendCommand(&c); - - if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { - uint8_t isOK = resp.arg[0] & 0xff; - PrintAndLog("isOk:%02x", isOK); - } else { - PrintAndLog("Command execute timeout"); - } - } - break; - case 3: - PrintAndLog("--specialblock no:%d", blockNo); - PrintAndLog("--data: %s", sprint_hex(bldata, 4)); - UsbCommand d = {CMD_MIFAREU_WRITEBL, {blockNo}}; - memcpy(d.d.asBytes,bldata, 4); - SendCommand(&d); - - if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { - uint8_t isOK = resp.arg[0] & 0xff; - PrintAndLog("isOk:%02x", isOK); - } else { - PrintAndLog("Command execute timeout"); - } - break; - default: - PrintAndLog("--block no:%d", blockNo); - PrintAndLog("--data: %s", sprint_hex(bldata, 4)); - UsbCommand e = {CMD_MIFAREU_WRITEBL, {blockNo}}; - memcpy(e.d.asBytes,bldata, 4); - SendCommand(&e); - - if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { - uint8_t isOK = resp.arg[0] & 0xff; - PrintAndLog("isOk:%02x", isOK); - } else { - PrintAndLog("Command execute timeout"); - } - break; - } - return 0; -} - - int CmdHF14AMfRdBl(const char *Cmd) { uint8_t blockNo = 0; uint8_t keyType = 0; uint8_t key[6] = {0, 0, 0, 0, 0, 0}; - + char cmdp = 0x00; @@ -264,8 +151,8 @@ int CmdHF14AMfRdBl(const char *Cmd) PrintAndLog("Usage: hf mf rdbl "); PrintAndLog(" sample: hf mf rdbl 0 A FFFFFFFFFFFF "); return 0; - } - + } + blockNo = param_get8(Cmd, 0); cmdp = param_getchar(Cmd, 1); if (cmdp == 0x00) { @@ -278,10 +165,11 @@ int CmdHF14AMfRdBl(const char *Cmd) return 1; } PrintAndLog("--block no:%d, key type:%c, key:%s ", blockNo, keyType?'B':'A', sprint_hex(key, 6)); - - UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}}; + + UsbCommand c = {CMD_MIFARE_READBL, {blockNo, keyType, 0}}; memcpy(c.d.asBytes, key, 6); - SendCommand(&c); + clearCommandBuffer(); + SendCommand(&c); UsbCommand resp; if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { @@ -299,87 +187,6 @@ int CmdHF14AMfRdBl(const char *Cmd) return 0; } -int CmdHF14AMfURdBl(const char *Cmd) -{ - uint8_t blockNo = 0; - - if (strlen(Cmd)<1) { - PrintAndLog("Usage: hf mf urdbl "); - PrintAndLog(" sample: hf mf urdbl 0"); - return 0; - } - - blockNo = param_get8(Cmd, 0); - PrintAndLog("--block no:%d", blockNo); - - UsbCommand c = {CMD_MIFAREU_READBL, {blockNo}}; - SendCommand(&c); - - UsbCommand resp; - if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { - uint8_t isOK = resp.arg[0] & 0xff; - uint8_t *data = resp.d.asBytes; - - if (isOK) - PrintAndLog("isOk:%02x data:%s", isOK, sprint_hex(data, 4)); - else - PrintAndLog("isOk:%02x", isOK); - } else { - PrintAndLog("Command execute timeout"); - } - - return 0; -} - - -int CmdHF14AMfURdCard(const char *Cmd) -{ - int i; - uint8_t sectorNo = 0; - uint8_t *lockbytes_t=NULL; - uint8_t lockbytes[2]={0,0}; - bool bit[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; - - uint8_t isOK = 0; - uint8_t * data = NULL; - - PrintAndLog("Attempting to Read Ultralight... "); - - UsbCommand c = {CMD_MIFAREU_READCARD, {sectorNo}}; - SendCommand(&c); - - UsbCommand resp; - if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { - isOK = resp.arg[0] & 0xff; - data = resp.d.asBytes; - - PrintAndLog("isOk:%02x", isOK); - if (isOK) - { // bit 0 and 1 - PrintAndLog("Block %3d:%s ", 0,sprint_hex(data + 0 * 4, 4)); - PrintAndLog("Block %3d:%s ", 1,sprint_hex(data + 1 * 4, 4)); - // bit 2 - //process lock bytes - lockbytes_t=data+(2*4); - lockbytes[0]=lockbytes_t[2]; - lockbytes[1]=lockbytes_t[3]; - for(int j=0; j<16; j++){ - bit[j]=lockbytes[j/8] & ( 1 <<(7-j%8)); - } - //remaining - for (i = 3; i < 16; i++) { - int bitnum = (23-i) % 16; - PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[bitnum]); - } - - } - } else { - PrintAndLog("Command execute timeout"); - } - return 0; -} - - int CmdHF14AMfRdSc(const char *Cmd) { int i; @@ -412,9 +219,10 @@ int CmdHF14AMfRdSc(const char *Cmd) return 1; } PrintAndLog("--sector no:%d key type:%c key:%s ", sectorNo, keyType?'B':'A', sprint_hex(key, 6)); - + UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}}; memcpy(c.d.asBytes, key, 6); + clearCommandBuffer(); SendCommand(&c); PrintAndLog(" "); @@ -434,7 +242,7 @@ int CmdHF14AMfRdSc(const char *Cmd) PrintAndLog("Command execute timeout"); } - return 0; + return 0; } uint8_t FirstBlockOfSector(uint8_t sectorNo) @@ -458,7 +266,7 @@ uint8_t NumBlocksPerSector(uint8_t sectorNo) int CmdHF14AMfDump(const char *Cmd) { uint8_t sectorNo, blockNo; - + uint8_t keyA[40][6]; uint8_t keyB[40][6]; uint8_t rights[40][4]; @@ -511,16 +319,17 @@ int CmdHF14AMfDump(const char *Cmd) return 2; } } - + fclose(fin); PrintAndLog("|-----------------------------------------|"); PrintAndLog("|------ Reading sector access bits...-----|"); PrintAndLog("|-----------------------------------------|"); - + for (sectorNo = 0; sectorNo < numSectors; sectorNo++) { UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}}; memcpy(c.d.asBytes, keyA[sectorNo], 6); + clearCommandBuffer(); SendCommand(&c); if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { @@ -542,11 +351,11 @@ int CmdHF14AMfDump(const char *Cmd) rights[sectorNo][3] = 0x01; } } - + PrintAndLog("|-----------------------------------------|"); PrintAndLog("|----- Dumping all blocks to file... -----|"); PrintAndLog("|-----------------------------------------|"); - + bool isOK = true; for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) { for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) { @@ -555,6 +364,7 @@ int CmdHF14AMfDump(const char *Cmd) if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. At least the Access Conditions can always be read with key A. UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}}; memcpy(c.d.asBytes, keyA[sectorNo], 6); + clearCommandBuffer(); SendCommand(&c); received = WaitForResponseTimeout(CMD_ACK,&resp,1500); } else { // data block. Check if it can be read with key A or key B @@ -562,6 +372,7 @@ int CmdHF14AMfDump(const char *Cmd) if ((rights[sectorNo][data_area] == 0x03) || (rights[sectorNo][data_area] == 0x05)) { // only key B would work UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 1, 0}}; memcpy(c.d.asBytes, keyB[sectorNo], 6); + clearCommandBuffer(); SendCommand(&c); received = WaitForResponseTimeout(CMD_ACK,&resp,1500); } else if (rights[sectorNo][data_area] == 0x07) { // no key would work @@ -570,6 +381,7 @@ int CmdHF14AMfDump(const char *Cmd) } else { // key A would work UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}}; memcpy(c.d.asBytes, keyA[sectorNo], 6); + clearCommandBuffer(); SendCommand(&c); received = WaitForResponseTimeout(CMD_ACK,&resp,1500); } @@ -626,7 +438,7 @@ int CmdHF14AMfRestore(const char *Cmd) { uint8_t sectorNo,blockNo; uint8_t keyType = 0; - uint8_t key[6] = {0xFF}; + uint8_t key[6] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}; uint8_t bldata[16] = {0x00}; uint8_t keyA[40][6]; uint8_t keyB[40][6]; @@ -662,6 +474,8 @@ int CmdHF14AMfRestore(const char *Cmd) for (sectorNo = 0; sectorNo < numSectors; sectorNo++) { if (fread(keyA[sectorNo], 1, 6, fkeys) == 0) { PrintAndLog("File reading error (dumpkeys.bin)."); + + fclose(fkeys); return 2; } } @@ -669,6 +483,7 @@ int CmdHF14AMfRestore(const char *Cmd) for (sectorNo = 0; sectorNo < numSectors; sectorNo++) { if (fread(keyB[sectorNo], 1, 6, fkeys) == 0) { PrintAndLog("File reading error (dumpkeys.bin)."); + fclose(fkeys); return 2; } } @@ -710,6 +525,7 @@ int CmdHF14AMfRestore(const char *Cmd) PrintAndLog("Writing to block %3d: %s", FirstBlockOfSector(sectorNo) + blockNo, sprint_hex(bldata, 16)); memcpy(c.d.asBytes + 10, bldata, 16); + clearCommandBuffer(); SendCommand(&c); UsbCommand resp; @@ -736,7 +552,7 @@ int CmdHF14AMfNested(const char *Cmd) uint8_t trgKeyType = 0; uint8_t SectorsCnt = 0; uint8_t key[6] = {0, 0, 0, 0, 0, 0}; - uint8_t keyBlock[13*6]; + uint8_t keyBlock[14*6]; uint64_t key64 = 0; bool transferToEml = false; @@ -811,8 +627,14 @@ int CmdHF14AMfNested(const char *Cmd) if (cmdp == 'o') { PrintAndLog("--target block no:%3d, target key type:%c ", trgBlockNo, trgKeyType?'B':'A'); - if (mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true)) { - PrintAndLog("Nested error."); + int16_t isOK = mfnested(blockNo, keyType, key, trgBlockNo, trgKeyType, keyBlock, true); + if (isOK) { + switch (isOK) { + case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break; + case -2 : PrintAndLog("Button pressed. Aborted.\n"); break; + case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break; + default : PrintAndLog("Unknown Error.\n"); + } return 2; } key64 = bytes_to_num(keyBlock, 6); @@ -867,7 +689,7 @@ int CmdHF14AMfNested(const char *Cmd) for (j = 0; j < 2; j++) { if (e_sector[i].foundKey[j]) continue; - res = mfCheckKeys(FirstBlockOfSector(i), j, 6, keyBlock, &key64); + res = mfCheckKeys(FirstBlockOfSector(i), j, true, 6, keyBlock, &key64); if (!res) { e_sector[i].Key[j] = key64; @@ -885,11 +707,17 @@ int CmdHF14AMfNested(const char *Cmd) for (trgKeyType = 0; trgKeyType < 2; trgKeyType++) { if (e_sector[sectorNo].foundKey[trgKeyType]) continue; PrintAndLog("-----------------------------------------------"); - if(mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate)) { - PrintAndLog("Nested error.\n"); + int16_t isOK = mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate); + if(isOK) { + switch (isOK) { + case -1 : PrintAndLog("Error: No response from Proxmark.\n"); break; + case -2 : PrintAndLog("Button pressed. Aborted.\n"); break; + case -3 : PrintAndLog("Tag isn't vulnerable to Nested Attack (random numbers are not predictable).\n"); break; + default : PrintAndLog("Unknown Error.\n"); + } free(e_sector); - return 2; } - else { + return 2; + } else { calibrate = false; } @@ -967,12 +795,14 @@ int CmdHF14AMfNested(const char *Cmd) int CmdHF14AMfChk(const char *Cmd) { if (strlen(Cmd)<3) { - PrintAndLog("Usage: hf mf chk |<*card memory> [t] [] []"); + PrintAndLog("Usage: hf mf chk |<*card memory> [t|d] [] []"); 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(" sample: hf mf chk 0 A 1234567890ab keys.dic"); PrintAndLog(" hf mf chk *1 ? t"); + PrintAndLog(" hf mf chk *1 ? d"); return 0; } @@ -1143,7 +973,7 @@ int CmdHF14AMfChk(const char *Cmd) uint32_t max_keys = keycnt>USB_CMD_DATA_SIZE/6?USB_CMD_DATA_SIZE/6:keycnt; for (uint32_t c = 0; c < keycnt; c+=max_keys) { uint32_t size = keycnt-c>max_keys?max_keys:keycnt-c; - res = mfCheckKeys(b, t, size, &keyBlock[6*c], &key64); + res = mfCheckKeys(b, t, true, size, &keyBlock[6*c], &key64); if (res != 1) { if (!res) { PrintAndLog("Found valid key:[%012"llx"]",key64); @@ -1199,12 +1029,16 @@ int CmdHF14AMf1kSim(const char *Cmd) uint8_t exitAfterNReads = 0; uint8_t flags = 0; - if (param_getchar(Cmd, 0) == 'h') { + uint8_t cmdp = param_getchar(Cmd, 0); + + if (cmdp == 'h' || cmdp == 'H') { PrintAndLog("Usage: hf mf sim u n i x"); + PrintAndLog(" h this help"); PrintAndLog(" u (Optional) UID. If not specified, the UID from emulator memory will be used"); PrintAndLog(" n (Optional) Automatically exit simulation after blocks have been read by reader. 0 = infinite"); PrintAndLog(" i (Optional) Interactive, means that console will not be returned until simulation finishes or is aborted"); PrintAndLog(" x (Optional) Crack, performs the 'reader attack', nr/ar attack against a legitimate reader, fishes out the key(s)"); + PrintAndLog(""); PrintAndLog(" sample: hf mf sim u 0a0a0a0a "); return 0; } @@ -1243,6 +1077,7 @@ int CmdHF14AMf1kSim(const char *Cmd) UsbCommand c = {CMD_SIMULATE_MIFARE_CARD, {flags, exitAfterNReads,0}}; memcpy(c.d.asBytes, uid, sizeof(uid)); + clearCommandBuffer(); SendCommand(&c); if(flags & FLAG_INTERACTIVE) @@ -1251,7 +1086,7 @@ int CmdHF14AMf1kSim(const char *Cmd) PrintAndLog("Press pm3-button to abort simulation"); while(! WaitForResponseTimeout(CMD_ACK,&resp,1500)) { //We're waiting only 1.5 s at a time, otherwise we get the - // annoying message about "Waiting for a response... " + //annoying message about "Waiting for a response... " } } @@ -1285,7 +1120,7 @@ int CmdHF14AMfDbg(const char *Cmd) int CmdHF14AMfEGet(const char *Cmd) { uint8_t blockNo = 0; - uint8_t data[16]; + uint8_t data[16] = {0x00}; if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { PrintAndLog("Usage: hf mf eget "); @@ -1318,7 +1153,6 @@ int CmdHF14AMfEClear(const char *Cmd) return 0; } - int CmdHF14AMfESet(const char *Cmd) { uint8_t memBlock[16]; @@ -1346,26 +1180,22 @@ int CmdHF14AMfESet(const char *Cmd) return 0; } - int CmdHF14AMfELoad(const char *Cmd) { FILE * f; char filename[FILE_PATH_SIZE]; char *fnameptr = filename; - char buf[64]; - uint8_t buf8[64]; + char buf[64] = {0x00}; + uint8_t buf8[64] = {0x00}; int i, len, blockNum, numBlocks; int nameParamNo = 1; - - memset(filename, 0, sizeof(filename)); - memset(buf, 0, sizeof(buf)); - + uint8_t blockWidth = 32; char ctmp = param_getchar(Cmd, 0); if ( ctmp == 'h' || ctmp == 0x00) { PrintAndLog("It loads emul dump from the file `filename.eml`"); - PrintAndLog("Usage: hf mf eload [card memory] "); - PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + PrintAndLog("Usage: hf mf eload [card memory] [numblocks]"); + PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K, u = UL"); PrintAndLog(""); PrintAndLog(" sample: hf mf eload filename"); PrintAndLog(" hf mf eload 4 filename"); @@ -1378,15 +1208,18 @@ int CmdHF14AMfELoad(const char *Cmd) case '\0': numBlocks = 16*4; break; case '2' : numBlocks = 32*4; break; case '4' : numBlocks = 256; break; + case 'U' : // fall through + case 'u' : numBlocks = 255; blockWidth = 8; break; default: { numBlocks = 16*4; nameParamNo = 0; } } + uint32_t numblk2 = param_get32ex(Cmd,2,0,10); + if (numblk2 > 0) numBlocks = numblk2; len = param_getstr(Cmd,nameParamNo,filename); - - if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; + if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4; fnameptr += len; @@ -1412,28 +1245,29 @@ int CmdHF14AMfELoad(const char *Cmd) return 2; } - if (strlen(buf) < 32){ + if (strlen(buf) < blockWidth){ if(strlen(buf) && feof(f)) break; - PrintAndLog("File content error. Block data must include 32 HEX symbols"); + PrintAndLog("File content error. Block data must include %d HEX symbols", blockWidth); fclose(f); return 2; } - for (i = 0; i < 32; i += 2) { + for (i = 0; i < blockWidth; i += 2) { sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]); - } - - if (mfEmlSetMem(buf8, blockNum, 1)) { + } + if (mfEmlSetMem_xt(buf8, blockNum, 1, blockWidth/2)) { PrintAndLog("Cant set emul block: %3d", blockNum); fclose(f); return 3; } + printf("."); blockNum++; if (blockNum >= numBlocks) break; } fclose(f); + printf("\n"); if ((blockNum != numBlocks)) { PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks); @@ -1443,7 +1277,6 @@ int CmdHF14AMfELoad(const char *Cmd) return 0; } - int CmdHF14AMfESave(const char *Cmd) { FILE * f; @@ -1483,17 +1316,20 @@ int CmdHF14AMfESave(const char *Cmd) len = param_getstr(Cmd,nameParamNo,filename); - if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; + if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4; // user supplied filename? if (len < 1) { // get filename (UID from memory) if (mfEmlGetMem(buf, 0, 1)) { PrintAndLog("Can\'t get UID from block: %d", 0); - sprintf(filename, "dump.eml"); + len = sprintf(fnameptr, "dump"); + fnameptr += len; + } + else { + for (j = 0; j < 7; j++, fnameptr += 2) + sprintf(fnameptr, "%02X", buf[j]); } - for (j = 0; j < 7; j++, fnameptr += 2) - sprintf(fnameptr, "%02X", buf[j]); } else { fnameptr += len; } @@ -1526,7 +1362,6 @@ int CmdHF14AMfESave(const char *Cmd) return 0; } - int CmdHF14AMfECFill(const char *Cmd) { uint8_t keyType = 0; @@ -1566,7 +1401,6 @@ int CmdHF14AMfECFill(const char *Cmd) return 0; } - int CmdHF14AMfEKeyPrn(const char *Cmd) { int i; @@ -1574,7 +1408,9 @@ int CmdHF14AMfEKeyPrn(const char *Cmd) uint8_t data[16]; uint64_t keyA, keyB; - if (param_getchar(Cmd, 0) == 'h') { + char cmdp = param_getchar(Cmd, 0); + + if ( cmdp == 'h' || cmdp == 'H') { PrintAndLog("It prints the keys loaded in the emulator memory"); PrintAndLog("Usage: hf mf ekeyprn [card memory]"); PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); @@ -1583,8 +1419,6 @@ int CmdHF14AMfEKeyPrn(const char *Cmd) return 0; } - char cmdp = param_getchar(Cmd, 0); - switch (cmdp) { case '0' : numSectors = 5; break; case '1' : @@ -1611,33 +1445,65 @@ int CmdHF14AMfEKeyPrn(const char *Cmd) return 0; } - int CmdHF14AMfCSetUID(const char *Cmd) { uint8_t wipeCard = 0; uint8_t uid[8] = {0x00}; uint8_t oldUid[8] = {0x00}; + uint8_t atqa[2] = {0x00}; + uint8_t sak[1] = {0x00}; + uint8_t atqaPresent = 1; int res; - - if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { - PrintAndLog("Usage: hf mf csetuid "); - PrintAndLog("sample: hf mf csetuid 01020304 w"); - PrintAndLog("Set UID for magic Chinese card (only works with!!!)"); - PrintAndLog("If you want wipe card then add 'w' into command line. \n"); + char ctmp; + int argi=0; + + if (strlen(Cmd) < 1 || param_getchar(Cmd, argi) == 'h') { + PrintAndLog("Usage: hf mf csetuid [ATQA 4 hex symbols SAK 2 hex symbols] [w]"); + PrintAndLog("sample: hf mf csetuid 01020304"); + PrintAndLog("sample: hf mf csetuid 01020304 0004 08 w"); + PrintAndLog("Set UID, ATQA, and SAK for magic Chinese card (only works with such cards)"); + PrintAndLog("If you also want to wipe the card then add 'w' at the end of the command line."); return 0; - } + } - if (param_getchar(Cmd, 0) && param_gethex(Cmd, 0, uid, 8)) { + if (param_getchar(Cmd, argi) && param_gethex(Cmd, argi, uid, 8)) { PrintAndLog("UID must include 8 HEX symbols"); return 1; } + argi++; - char ctmp = param_getchar(Cmd, 1); - if (ctmp == 'w' || ctmp == 'W') wipeCard = 1; - - PrintAndLog("--wipe card:%02x uid:%s", wipeCard, sprint_hex(uid, 4)); + ctmp = param_getchar(Cmd, argi); + if (ctmp == 'w' || ctmp == 'W') { + wipeCard = 1; + atqaPresent = 0; + } + + if (atqaPresent) { + if (param_getchar(Cmd, argi)) { + if (param_gethex(Cmd, argi, atqa, 4)) { + PrintAndLog("ATQA must include 4 HEX symbols"); + return 1; + } + argi++; + if (!param_getchar(Cmd, argi) || param_gethex(Cmd, argi, sak, 2)) { + PrintAndLog("SAK must include 2 HEX symbols"); + return 1; + } + argi++; + } else + atqaPresent = 0; + } + + if(!wipeCard) { + ctmp = param_getchar(Cmd, argi); + if (ctmp == 'w' || ctmp == 'W') { + wipeCard = 1; + } + } - res = mfCSetUID(uid, oldUid, wipeCard); + PrintAndLog("--wipe card:%s uid:%s", (wipeCard)?"YES":"NO", sprint_hex(uid, 4)); + + res = mfCSetUID(uid, (atqaPresent)?atqa:NULL, (atqaPresent)?sak:NULL, oldUid, wipeCard); if (res) { PrintAndLog("Can't set UID. error=%d", res); return 1; @@ -1650,17 +1516,16 @@ int CmdHF14AMfCSetUID(const char *Cmd) int CmdHF14AMfCSetBlk(const char *Cmd) { - uint8_t uid[8]; - uint8_t memBlock[16]; + uint8_t memBlock[16] = {0x00}; uint8_t blockNo = 0; + uint8_t params = MAGIC_SINGLE; int res; - memset(memBlock, 0x00, sizeof(memBlock)); if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { - PrintAndLog("Usage: hf mf csetblk "); + PrintAndLog("Usage: hf mf csetblk [w]"); PrintAndLog("sample: hf mf csetblk 1 01020304050607080910111213141516"); - PrintAndLog("Set block data for magic Chinese card (only works with!!!)"); - PrintAndLog("If you want wipe card then add 'w' into command line. \n"); + PrintAndLog("Set block data for magic Chinese card (only works with such cards)"); + PrintAndLog("If you also want wipe the card then add 'w' at the end of the command line"); return 0; } @@ -1671,34 +1536,36 @@ int CmdHF14AMfCSetBlk(const char *Cmd) return 1; } + char ctmp = param_getchar(Cmd, 2); + if (ctmp == 'w' || ctmp == 'W') + params |= MAGIC_WIPE; + PrintAndLog("--block number:%2d data:%s", blockNo, sprint_hex(memBlock, 16)); - res = mfCSetBlock(blockNo, memBlock, uid, 0, CSETBLOCK_SINGLE_OPER); + res = mfCSetBlock(blockNo, memBlock, NULL, params); if (res) { - PrintAndLog("Can't write block. error=%d", res); - return 1; - } - - PrintAndLog("UID:%s", sprint_hex(uid, 4)); + PrintAndLog("Can't write block. error=%d", res); + return 1; + } return 0; } - int CmdHF14AMfCLoad(const char *Cmd) { FILE * f; - char filename[FILE_PATH_SIZE] = {0x00}; + char filename[FILE_PATH_SIZE]; char * fnameptr = filename; char buf[64] = {0x00}; uint8_t buf8[64] = {0x00}; uint8_t fillFromEmulator = 0; - int i, len, blockNum, flags; + int i, len, blockNum, flags=0; - // memset(filename, 0, sizeof(filename)); - // memset(buf, 0, sizeof(buf)); + memset(filename, 0, sizeof(filename)); + + char ctmp = param_getchar(Cmd, 0); - if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) { - PrintAndLog("It loads magic Chinese card (only works with!!!) from the file `filename.eml`"); + if (ctmp == 'h' || ctmp == 'H' || ctmp == 0x00) { + PrintAndLog("It loads magic Chinese card from the file `filename.eml`"); PrintAndLog("or from emulator memory (option `e`)"); PrintAndLog("Usage: hf mf cload "); PrintAndLog(" or: hf mf cload e "); @@ -1706,21 +1573,19 @@ int CmdHF14AMfCLoad(const char *Cmd) return 0; } - char ctmp = param_getchar(Cmd, 0); if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1; if (fillFromEmulator) { - flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; for (blockNum = 0; blockNum < 16 * 4; blockNum += 1) { if (mfEmlGetMem(buf8, blockNum, 1)) { PrintAndLog("Cant get block: %d", blockNum); return 2; } - - if (blockNum == 2) flags = 0; - if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence + if (blockNum == 1) flags = 0; // just write + if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Magic Halt and switch off field. - if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) { + if (mfCSetBlock(blockNum, buf8, NULL, flags)) { PrintAndLog("Cant set magic card block: %d", blockNum); return 3; } @@ -1728,7 +1593,7 @@ int CmdHF14AMfCLoad(const char *Cmd) return 0; } else { len = strlen(Cmd); - if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; + if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4; memcpy(filename, Cmd, len); fnameptr += len; @@ -1743,27 +1608,31 @@ int CmdHF14AMfCLoad(const char *Cmd) } blockNum = 0; - flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; while(!feof(f)){ + memset(buf, 0, sizeof(buf)); + if (fgets(buf, sizeof(buf), f) == NULL) { + fclose(f); PrintAndLog("File reading error."); return 2; } - if (strlen(buf) < 32){ + if (strlen(buf) < 32) { if(strlen(buf) && feof(f)) break; PrintAndLog("File content error. Block data must include 32 HEX symbols"); + fclose(f); return 2; } for (i = 0; i < 32; i += 2) sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]); - if (blockNum == 2) flags = 0; - if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + if (blockNum == 0) flags = MAGIC_INIT + MAGIC_WUPC; // switch on field and send magic sequence + if (blockNum == 1) flags = 0; // just write + if (blockNum == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; // Done. Switch off field. - if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) { + if (mfCSetBlock(blockNum, buf8, NULL, flags)) { PrintAndLog("Can't set magic card block: %d", blockNum); return 3; } @@ -1780,18 +1649,20 @@ int CmdHF14AMfCLoad(const char *Cmd) PrintAndLog("Loaded from file: %s", filename); return 0; } + return 0; } int CmdHF14AMfCGetBlk(const char *Cmd) { - uint8_t memBlock[16]; + uint8_t data[16]; uint8_t blockNo = 0; int res; - memset(memBlock, 0x00, sizeof(memBlock)); + memset(data, 0x00, sizeof(data)); + char ctmp = param_getchar(Cmd, 0); - if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { + if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') { PrintAndLog("Usage: hf mf cgetblk "); PrintAndLog("sample: hf mf cgetblk 1"); - PrintAndLog("Get block data from magic Chinese card (only works with!!!)\n"); + PrintAndLog("Get block data from magic Chinese card (only works with such cards)\n"); return 0; } @@ -1799,29 +1670,29 @@ int CmdHF14AMfCGetBlk(const char *Cmd) { PrintAndLog("--block number:%2d ", blockNo); - res = mfCGetBlock(blockNo, memBlock, CSETBLOCK_SINGLE_OPER); + res = mfCGetBlock(blockNo, data, MAGIC_SINGLE); if (res) { PrintAndLog("Can't read block. error=%d", res); return 1; } - PrintAndLog("block data:%s", sprint_hex(memBlock, 16)); + PrintAndLog("block data:%s", sprint_hex(data, sizeof(data))); return 0; } - int CmdHF14AMfCGetSc(const char *Cmd) { - uint8_t memBlock[16]; + uint8_t data[16]; uint8_t sectorNo = 0; int i, res, flags; - memset(memBlock, 0x00, sizeof(memBlock)); + memset(data, 0x00, sizeof(data)); + char ctmp = param_getchar(Cmd, 0); - if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') { + if (strlen(Cmd) < 1 || ctmp == 'h' || ctmp == 'H') { PrintAndLog("Usage: hf mf cgetsc "); PrintAndLog("sample: hf mf cgetsc 0"); - PrintAndLog("Get sector data from magic Chinese card (only works with!!!)\n"); + PrintAndLog("Get sector data from magic Chinese card (only works with such cards)\n"); return 0; - } + } sectorNo = param_get8(Cmd, 0); if (sectorNo > 15) { @@ -1830,37 +1701,37 @@ int CmdHF14AMfCGetSc(const char *Cmd) { } PrintAndLog("--sector number:%d ", sectorNo); + PrintAndLog("block | data"); - flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; + flags = MAGIC_INIT + MAGIC_WUPC; for (i = 0; i < 4; i++) { if (i == 1) flags = 0; - if (i == 3) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + if (i == 3) flags = MAGIC_HALT + MAGIC_OFF; - res = mfCGetBlock(sectorNo * 4 + i, memBlock, flags); + res = mfCGetBlock(sectorNo * 4 + i, data, flags); if (res) { PrintAndLog("Can't read block. %d error=%d", sectorNo * 4 + i, res); return 1; } - - PrintAndLog("block %3d data:%s", sectorNo * 4 + i, sprint_hex(memBlock, 16)); + PrintAndLog(" %3d | %s", sectorNo * 4 + i, sprint_hex(data, sizeof(data))); } return 0; } - int CmdHF14AMfCSave(const char *Cmd) { FILE * f; - char filename[FILE_PATH_SIZE] = {0x00}; + char filename[FILE_PATH_SIZE]; char * fnameptr = filename; uint8_t fillFromEmulator = 0; - uint8_t buf[64] = {0x00}; + uint8_t buf[64]; int i, j, len, flags; - - // memset(filename, 0, sizeof(filename)); - // memset(buf, 0, sizeof(buf)); - if (param_getchar(Cmd, 0) == 'h') { + memset(filename, 0, sizeof(filename)); + memset(buf, 0, sizeof(buf)); + char ctmp = param_getchar(Cmd, 0); + + if ( ctmp == 'h' || ctmp == 'H' ) { PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`"); PrintAndLog("or into emulator memory (option `e`)"); PrintAndLog("Usage: hf mf esave [file name w/o `.eml`][e]"); @@ -1868,23 +1739,21 @@ int CmdHF14AMfCSave(const char *Cmd) { PrintAndLog(" hf mf esave filename"); PrintAndLog(" hf mf esave e \n"); return 0; - } - - char ctmp = param_getchar(Cmd, 0); + } if (ctmp == 'e' || ctmp == 'E') fillFromEmulator = 1; if (fillFromEmulator) { // put into emulator - flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; + flags = MAGIC_INIT + MAGIC_WUPC; for (i = 0; i < 16 * 4; i++) { if (i == 1) flags = 0; - if (i == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; - + if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; + if (mfCGetBlock(i, buf, flags)) { PrintAndLog("Cant get block: %d", i); break; } - + if (mfEmlSetMem(buf, i, 1)) { PrintAndLog("Cant set emul block: %d", i); return 3; @@ -1893,23 +1762,27 @@ int CmdHF14AMfCSave(const char *Cmd) { return 0; } else { len = strlen(Cmd); - if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; - + if (len > FILE_PATH_SIZE - 4) len = FILE_PATH_SIZE - 4; + + // get filename based on UID if (len < 1) { - // get filename - if (mfCGetBlock(0, buf, CSETBLOCK_SINGLE_OPER)) { + + if (mfCGetBlock(0, buf, MAGIC_SINGLE)) { PrintAndLog("Cant get block: %d", 0); - return 1; + len = sprintf(fnameptr, "dump"); + fnameptr += len; + } else { + for (j = 0; j < 7; j++, fnameptr += 2) + sprintf(fnameptr, "%02x", buf[j]); } - for (j = 0; j < 7; j++, fnameptr += 2) - sprintf(fnameptr, "%02x", buf[j]); } else { memcpy(filename, Cmd, len); fnameptr += len; } + // add .eml extension sprintf(fnameptr, ".eml"); - + // open file f = fopen(filename, "w+"); @@ -1919,10 +1792,10 @@ int CmdHF14AMfCSave(const char *Cmd) { } // put hex - flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; + flags = MAGIC_INIT + MAGIC_WUPC; for (i = 0; i < 16 * 4; i++) { if (i == 1) flags = 0; - if (i == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; + if (i == 16 * 4 - 1) flags = MAGIC_HALT + MAGIC_OFF; if (mfCGetBlock(i, buf, flags)) { PrintAndLog("Cant get block: %d", i); @@ -1932,15 +1805,13 @@ int CmdHF14AMfCSave(const char *Cmd) { fprintf(f, "%02x", buf[j]); fprintf(f,"\n"); } + fflush(f); fclose(f); - PrintAndLog("Saved to file: %s", filename); - return 0; } } - int CmdHF14AMfSniff(const char *Cmd){ bool wantLogToFile = 0; @@ -1952,18 +1823,19 @@ int CmdHF14AMfSniff(const char *Cmd){ int res = 0; int len = 0; int blockLen = 0; - int num = 0; int pckNum = 0; + int num = 0; uint8_t uid[7]; uint8_t uid_len; - uint8_t atqa[2]; + uint8_t atqa[2] = {0x00}; uint8_t sak; bool isTag; - uint8_t buf[3000]; - uint8_t * bufPtr = buf; - memset(buf, 0x00, 3000); + uint8_t *buf = NULL; + uint16_t bufsize = 0; + uint8_t *bufPtr = NULL; - if (param_getchar(Cmd, 0) == 'h') { + char ctmp = param_getchar(Cmd, 0); + if ( ctmp == 'h' || ctmp == 'H' ) { PrintAndLog("It continuously gets data from the field and saves it to: log, emulator, emulator file."); PrintAndLog("You can specify:"); PrintAndLog(" l - save encrypted sequence to logfile `uid.log`"); @@ -1976,7 +1848,7 @@ int CmdHF14AMfSniff(const char *Cmd){ } for (int i = 0; i < 4; i++) { - char ctmp = param_getchar(Cmd, i); + ctmp = param_getchar(Cmd, i); if (ctmp == 'l' || ctmp == 'L') wantLogToFile = true; if (ctmp == 'd' || ctmp == 'D') wantDecrypt = true; //if (ctmp == 'e' || ctmp == 'E') wantSaveToEml = true; TODO @@ -2003,32 +1875,50 @@ int CmdHF14AMfSniff(const char *Cmd){ break; } - UsbCommand resp; - if (WaitForResponseTimeout(CMD_ACK,&resp,2000)) { + UsbCommand resp; + if (WaitForResponseTimeout(CMD_ACK,&resp,2000)) { res = resp.arg[0] & 0xff; - len = resp.arg[1]; - num = resp.arg[2]; - - if (res == 0) return 0; - if (res == 1) { - if (num ==0) { + uint16_t traceLen = resp.arg[1]; + len = resp.arg[2]; + + if (res == 0) { + free(buf); + return 0; // we are done + } + + if (res == 1) { // there is (more) data to be transferred + if (pckNum == 0) { // first packet, (re)allocate necessary buffer + if (traceLen > bufsize) { + uint8_t *p; + if (buf == NULL) { // not yet allocated + p = malloc(traceLen); + } else { // need more memory + p = realloc(buf, traceLen); + } + if (p == NULL) { + PrintAndLog("Cannot allocate memory for trace"); + free(buf); + return 2; + } + buf = p; + } bufPtr = buf; - memset(buf, 0x00, 3000); + bufsize = traceLen; + memset(buf, 0x00, traceLen); } memcpy(bufPtr, resp.d.asBytes, len); bufPtr += len; pckNum++; } - if (res == 2) { + + if (res == 2) { // received all data, start displaying blockLen = bufPtr - buf; bufPtr = buf; printf(">\n"); PrintAndLog("received trace len: %d packages: %d", blockLen, pckNum); - num = 0; while (bufPtr - buf < blockLen) { - bufPtr += 6; + bufPtr += 6; // skip (void) timing information len = *((uint16_t *)bufPtr); - if(len & 0x8000) { isTag = true; len &= 0x7fff; @@ -2037,12 +1927,10 @@ int CmdHF14AMfSniff(const char *Cmd){ } bufPtr += 2; if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff) && (bufPtr[12] == 0xff) && (bufPtr[13] == 0xff)) { - memcpy(uid, bufPtr + 2, 7); memcpy(atqa, bufPtr + 2 + 7, 2); uid_len = (atqa[0] & 0xC0) == 0x40 ? 7 : 4; sak = bufPtr[11]; - PrintAndLog("tag select uid:%s atqa:0x%02x%02x sak:0x%02x", sprint_hex(uid + (7 - uid_len), uid_len), atqa[1], @@ -2060,26 +1948,33 @@ int CmdHF14AMfSniff(const char *Cmd){ AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len); if (wantDecrypt) mfTraceDecode(bufPtr, len, wantSaveToEmlFile); + num++; } bufPtr += len; bufPtr += ((len-1)/8+1); // ignore parity - num++; } + pckNum = 0; } } // resp not NULL } // while (true) - + + free(buf); return 0; } +//needs nt, ar, at, Data to decrypt +int CmdHf14MfDecryptBytes(const char *Cmd){ + uint8_t data[50]; + int len = 0; + param_gethex_ex(Cmd,3,data,&len); + return tryDecryptWord(param_get32ex(Cmd,0,0,16),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),data,len/2); +} + static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, {"dbg", CmdHF14AMfDbg, 0, "Set default debug mode"}, {"rdbl", CmdHF14AMfRdBl, 0, "Read MIFARE classic block"}, - {"urdbl", CmdHF14AMfURdBl, 0, "Read MIFARE Ultralight block"}, - {"urdcard", CmdHF14AMfURdCard, 0,"Read MIFARE Ultralight Card"}, - {"uwrbl", CmdHF14AMfUWrBl, 0,"Write MIFARE Ultralight block"}, {"rdsc", CmdHF14AMfRdSc, 0, "Read MIFARE classic sector"}, {"dump", CmdHF14AMfDump, 0, "Dump MIFARE classic tag to binary file"}, {"restore", CmdHF14AMfRestore, 0, "Restore MIFARE classic binary file to BLANK tag"}, @@ -2102,6 +1997,7 @@ static command_t CommandTable[] = {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"}, {"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"}, {"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"}, + {"decrypt", CmdHf14MfDecryptBytes,1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"}, {NULL, NULL, 0, NULL} };