X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/f38a152863a5eb289acb169c5a38b4b77e87956e..fb2d24882e31c4a9915a87e28081c3f7d6f3bea4:/client/cmdhfmf.c diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c index 37c6fe94..b96c9c1a 100644 --- a/client/cmdhfmf.c +++ b/client/cmdhfmf.c @@ -7,7 +7,7 @@ //----------------------------------------------------------------------------- // High frequency MIFARE commands //----------------------------------------------------------------------------- -#include "../include/mifare.h" + #include "cmdhfmf.h" static int CmdHelp(const char *Cmd); @@ -36,7 +36,6 @@ start: //flush queue while (ukbhit()) getchar(); - // wait cycle while (true) { printf("."); @@ -67,8 +66,7 @@ start: if (isOK != 1) return 1; // execute original function from util nonce2key - if (nonce2key(uid, nt, nr, par_list, ks_list, &r_key)) - { + 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 { @@ -78,6 +76,7 @@ start: 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 @@ -88,6 +87,7 @@ start: goto start; } + PrintAndLog(""); return 0; } @@ -140,117 +140,6 @@ int CmdHF14AMfWrBl(const char *Cmd) return 0; } -/* dublett finns i CMDHFMFU.C -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; @@ -299,133 +188,6 @@ int CmdHF14AMfRdBl(const char *Cmd) return 0; } -/* dublett finns i CMDHFMFU.C -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; -} -*/ - -/* dublett finns i CMDHFMFU.C -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; - - if (sectorNo > 15) { - PrintAndLog("Sector number must be less than 16"); - return 1; - } - 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) - for (i = 0; i < 16; i++) { - switch(i){ - case 2: - //process lock bytes - lockbytes_t=data+(i*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)); - } - //PrintAndLog("LB %02x %02x", lockbytes[0],lockbytes[1]); - //PrintAndLog("LB2b %02x %02x %02x %02x %02x %02x %02x %02x",bit[8],bit[9],bit[10],bit[11],bit[12],bit[13],bit[14],bit[15]); - PrintAndLog("Block %3d:%s ", i,sprint_hex(data + i * 4, 4)); - break; - case 3: - PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[4]); - break; - case 4: - PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[3]); - break; - case 5: - PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[2]); - break; - case 6: - PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[1]); - break; - case 7: - PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[0]); - break; - case 8: - PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[15]); - break; - case 9: - PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[14]); - break; - case 10: - PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[13]); - break; - case 11: - PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[12]); - break; - case 12: - PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[11]); - break; - case 13: - PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[10]); - break; - case 14: - PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[9]); - break; - case 15: - PrintAndLog("Block %3d:%s [%d]", i,sprint_hex(data + i * 4, 4),bit[8]); - break; - default: - PrintAndLog("Block %3d:%s ", i,sprint_hex(data + i * 4, 4)); - break; - } - } - } else { - PrintAndLog("Command execute timeout"); - } - return 0; -} -*/ - int CmdHF14AMfRdSc(const char *Cmd) { int i; @@ -483,7 +245,6 @@ int CmdHF14AMfRdSc(const char *Cmd) return 0; } - uint8_t FirstBlockOfSector(uint8_t sectorNo) { if (sectorNo < 32) { @@ -493,7 +254,6 @@ uint8_t FirstBlockOfSector(uint8_t sectorNo) } } - uint8_t NumBlocksPerSector(uint8_t sectorNo) { if (sectorNo < 32) { @@ -503,7 +263,6 @@ uint8_t NumBlocksPerSector(uint8_t sectorNo) } } - int CmdHF14AMfDump(const char *Cmd) { uint8_t sectorNo, blockNo; @@ -511,6 +270,7 @@ int CmdHF14AMfDump(const char *Cmd) uint8_t keyA[40][6]; uint8_t keyB[40][6]; uint8_t rights[40][4]; + uint8_t carddata[256][16]; uint8_t numSectors = 16; FILE *fin; @@ -518,16 +278,7 @@ int CmdHF14AMfDump(const char *Cmd) UsbCommand resp; - int size = GetCardSize(); char cmdp = param_getchar(Cmd, 0); - - PrintAndLog("Got %d",size); - - return; - - if ( size > -1) - cmdp = (char)48+size; - switch (cmdp) { case '0' : numSectors = 5; break; case '1' : @@ -551,15 +302,11 @@ int CmdHF14AMfDump(const char *Cmd) return 1; } - if ((fout = fopen("dumpdata.bin","wb")) == NULL) { - PrintAndLog("Could not create file name dumpdata.bin"); - return 1; - } - // Read keys A from file for (sectorNo=0; sectorNo>4) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>2); - rights[sectorNo][1] = ((data[7] & 0x20)>>5) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>3); - rights[sectorNo][2] = ((data[7] & 0x40)>>6) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>4); - rights[sectorNo][3] = ((data[7] & 0x80)>>7) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>5); + rights[sectorNo][0] = ((data[7] & 0x10)>>2) | ((data[8] & 0x1)<<1) | ((data[8] & 0x10)>>4); // C1C2C3 for data area 0 + rights[sectorNo][1] = ((data[7] & 0x20)>>3) | ((data[8] & 0x2)<<0) | ((data[8] & 0x20)>>5); // C1C2C3 for data area 1 + rights[sectorNo][2] = ((data[7] & 0x40)>>4) | ((data[8] & 0x4)>>1) | ((data[8] & 0x40)>>6); // C1C2C3 for data area 2 + rights[sectorNo][3] = ((data[7] & 0x80)>>5) | ((data[8] & 0x8)>>2) | ((data[8] & 0x80)>>7); // C1C2C3 for sector trailer } else { - PrintAndLog("Could not get access rights for sector %2d.", sectorNo); + PrintAndLog("Could not get access rights for sector %2d. Trying with defaults...", sectorNo); + rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00; + rights[sectorNo][3] = 0x01; } } else { - PrintAndLog("Command execute timeout"); + PrintAndLog("Command execute timeout when trying to read access rights for sector %2d. Trying with defaults...", sectorNo); + rights[sectorNo][0] = rights[sectorNo][1] = rights[sectorNo][2] = 0x00; + rights[sectorNo][3] = 0x01; } } @@ -601,8 +355,9 @@ int CmdHF14AMfDump(const char *Cmd) PrintAndLog("|----- Dumping all blocks to file... -----|"); PrintAndLog("|-----------------------------------------|"); - for (sectorNo = 0; sectorNo < numSectors; sectorNo++) { - for (blockNo = 0; blockNo < NumBlocksPerSector(sectorNo); blockNo++) { + bool isOK = true; + for (sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) { + for (blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) { bool received = false; if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. At least the Access Conditions can always be read with key A. @@ -612,23 +367,24 @@ int CmdHF14AMfDump(const char *Cmd) received = WaitForResponseTimeout(CMD_ACK,&resp,1500); } else { // data block. Check if it can be read with key A or key B uint8_t data_area = sectorNo<32?blockNo:blockNo/5; - if ((rights[sectorNo][data_area] == 3) || (rights[sectorNo][data_area] == 5)) { // only key B would work + 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); SendCommand(&c); received = WaitForResponseTimeout(CMD_ACK,&resp,1500); - } else if (rights[sectorNo][data_area] == 7) { // no key would work - PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo); + } else if (rights[sectorNo][data_area] == 0x07) { // no key would work + isOK = false; + PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo); } else { // key A would work - UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}}; - memcpy(c.d.asBytes, keyA[sectorNo], 6); - SendCommand(&c); - received = WaitForResponseTimeout(CMD_ACK,&resp,1500); + UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + blockNo, 0, 0}}; + memcpy(c.d.asBytes, keyA[sectorNo], 6); + SendCommand(&c); + received = WaitForResponseTimeout(CMD_ACK,&resp,1500); } } if (received) { - uint8_t isOK = resp.arg[0] & 0xff; + isOK = resp.arg[0] & 0xff; uint8_t *data = resp.d.asBytes; if (blockNo == NumBlocksPerSector(sectorNo) - 1) { // sector trailer. Fill in the keys. data[0] = (keyA[sectorNo][0]); @@ -645,31 +401,41 @@ int CmdHF14AMfDump(const char *Cmd) data[15] = (keyB[sectorNo][5]); } if (isOK) { - fwrite ( data, 1, 16, fout ); - PrintAndLog("Dumped block %2d of sector %2d into 'dumpdata.bin'", blockNo, sectorNo); + memcpy(carddata[FirstBlockOfSector(sectorNo) + blockNo], data, 16); + PrintAndLog("Successfully read block %2d of sector %2d.", blockNo, sectorNo); } else { PrintAndLog("Could not read block %2d of sector %2d", blockNo, sectorNo); + break; } } else { - PrintAndLog("Command execute timeout"); + isOK = false; + PrintAndLog("Command execute timeout when trying to read block %2d of sector %2d.", blockNo, sectorNo); + break; } } } - - fclose(fin); - fclose(fout); + + if (isOK) { + if ((fout = fopen("dumpdata.bin","wb")) == NULL) { + PrintAndLog("Could not create file name dumpdata.bin"); + return 1; + } + uint16_t numblocks = FirstBlockOfSector(numSectors - 1) + NumBlocksPerSector(numSectors - 1); + fwrite(carddata, 1, 16*numblocks, fout); + fclose(fout); + PrintAndLog("Dumped %d blocks (%d bytes) to file dumpdata.bin", numblocks, 16*numblocks); + } + return 0; } - int CmdHF14AMfRestore(const char *Cmd) { - uint8_t sectorNo,blockNo; uint8_t keyType = 0; - uint8_t key[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; - uint8_t bldata[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + 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]; uint8_t numSectors; @@ -696,10 +462,6 @@ int CmdHF14AMfRestore(const char *Cmd) return 0; } - if ((fdump = fopen("dumpdata.bin","rb")) == NULL) { - PrintAndLog("Could not find file dumpdata.bin"); - return 1; - } if ((fkeys = fopen("dumpkeys.bin","rb")) == NULL) { PrintAndLog("Could not find file dumpkeys.bin"); return 1; @@ -708,6 +470,8 @@ 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; } } @@ -715,10 +479,17 @@ 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; } } - + + fclose(fkeys); + + if ((fdump = fopen("dumpdata.bin","rb")) == NULL) { + PrintAndLog("Could not find file dumpdata.bin"); + return 1; + } PrintAndLog("Restoring dumpdata.bin to card"); for (sectorNo = 0; sectorNo < numSectors; sectorNo++) { @@ -728,6 +499,7 @@ int CmdHF14AMfRestore(const char *Cmd) if (fread(bldata, 1, 16, fdump) == 0) { PrintAndLog("File reading error (dumpdata.bin)."); + fclose(fdump); return 2; } @@ -762,11 +534,9 @@ int CmdHF14AMfRestore(const char *Cmd) } fclose(fdump); - fclose(fkeys); return 0; } - int CmdHF14AMfNested(const char *Cmd) { int i, j, res, iterations; @@ -798,9 +568,9 @@ int CmdHF14AMfNested(const char *Cmd) PrintAndLog("d - write keys to binary file"); PrintAndLog(" "); PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF "); - PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF t "); - PrintAndLog(" sample1: hf mf nested 1 0 A FFFFFFFFFFFF d "); - PrintAndLog(" sample2: hf mf nested o 0 A FFFFFFFFFFFF 4 A"); + PrintAndLog(" sample2: hf mf nested 1 0 A FFFFFFFFFFFF t "); + PrintAndLog(" sample3: hf mf nested 1 0 A FFFFFFFFFFFF d "); + PrintAndLog(" sample4: hf mf nested o 0 A FFFFFFFFFFFF 4 A"); return 0; } @@ -832,9 +602,7 @@ int CmdHF14AMfNested(const char *Cmd) if (ctmp != 'A' && ctmp != 'a') trgKeyType = 1; } else { - - - + switch (cmdp) { case '0': SectorsCnt = 05; break; case '1': SectorsCnt = 16; break; @@ -919,7 +687,6 @@ int CmdHF14AMfNested(const char *Cmd) } } - // nested sectors iterations = 0; PrintAndLog("nested..."); @@ -931,8 +698,8 @@ int CmdHF14AMfNested(const char *Cmd) PrintAndLog("-----------------------------------------------"); if(mfnested(blockNo, keyType, key, FirstBlockOfSector(sectorNo), trgKeyType, keyBlock, calibrate)) { PrintAndLog("Nested error.\n"); - return 2; - } + free(e_sector); + return 2; } else { calibrate = false; } @@ -1005,28 +772,25 @@ int CmdHF14AMfNested(const char *Cmd) free(e_sector); } - return 0; } - -static uint32_t get_trailer_block (uint32_t uiBlock) -{ - // Test if we are in the small or big sectors - uint32_t trailer_block = 0; - if (uiBlock < 128) { - trailer_block = uiBlock + (3 - (uiBlock % 4)); - } else { - trailer_block = uiBlock + (15 - (uiBlock % 16)); - } - return trailer_block; -} - - int CmdHF14AMfChk(const char *Cmd) { + if (strlen(Cmd)<3) { + 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; + } + FILE * f; - char filename[256]={0}; + char filename[FILE_PATH_SIZE]={0}; char buf[13]; uint8_t *keyBlock = NULL, *p; uint8_t stKeyBlock = 20; @@ -1068,17 +832,6 @@ int CmdHF14AMfChk(const char *Cmd) num_to_bytes(defaultKeys[defaultKeyCounter], 6, (uint8_t*)(keyBlock + defaultKeyCounter * 6)); } - if (strlen(Cmd)<3) { - PrintAndLog("Usage: hf mf chk |<*card memory> [t] [] []"); - 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(" sample: hf mf chk 0 A 1234567890ab keys.dic"); - PrintAndLog(" hf mf chk *1 ? t"); - return 0; - } - if (param_getchar(Cmd, 0)=='*') { blockNo = 3; switch(param_getchar(Cmd+1, 0)) { @@ -1129,7 +882,7 @@ int CmdHF14AMfChk(const char *Cmd) keycnt++; } else { // May be a dic file - if ( param_getstr(Cmd, 2 + i,filename) > 255 ) { + if ( param_getstr(Cmd, 2 + i,filename) >= FILE_PATH_SIZE ) { PrintAndLog("File name too long"); free(keyBlock); return 2; @@ -1166,11 +919,12 @@ int CmdHF14AMfChk(const char *Cmd) keycnt++; memset(buf, 0, sizeof(buf)); } + fclose(f); } else { PrintAndLog("File: %s: not found or locked.", filename); free(keyBlock); return 1; - fclose(f); + } } } @@ -1179,14 +933,26 @@ int CmdHF14AMfChk(const char *Cmd) PrintAndLog("No key specified, trying default keys"); for (;keycnt < defaultKeysSize; keycnt++) PrintAndLog("chk default key[%2d] %02x%02x%02x%02x%02x%02x", keycnt, - (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2], - (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6); + (keyBlock + 6*keycnt)[0],(keyBlock + 6*keycnt)[1], (keyBlock + 6*keycnt)[2], + (keyBlock + 6*keycnt)[3], (keyBlock + 6*keycnt)[4], (keyBlock + 6*keycnt)[5], 6); + } + + // initialize storage for found keys + bool validKey[2][40]; + uint8_t foundKey[2][40][6]; + for (uint16_t t = 0; t < 2; t++) { + for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) { + validKey[t][sectorNo] = false; + for (uint16_t i = 0; i < 6; i++) { + foundKey[t][sectorNo][i] = 0xff; + } + } } for ( int t = !keyType; t < 2; keyType==2?(t++):(t=2) ) { int b=blockNo; for (int i = 0; i < SectorsCnt; ++i) { - PrintAndLog("--SectorsCnt:%2d, block no:%3d, key type:%C, key count:%2d ", i, b, t?'B':'A', keycnt); + PrintAndLog("--sector:%2d, block:%3d, key type:%C, key count:%2d ", i, b, t?'B':'A', keycnt); 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; @@ -1194,13 +960,9 @@ int CmdHF14AMfChk(const char *Cmd) if (res != 1) { if (!res) { PrintAndLog("Found valid key:[%012"llx"]",key64); - if (transferToEml) { - uint8_t block[16]; - mfEmlGetMem(block, get_trailer_block(b), 1); - num_to_bytes(key64, 6, block + t*10); - mfEmlSetMem(block, get_trailer_block(b), 1); - } - } + num_to_bytes(key64, 6, foundKey[t][i]); + validKey[t][i] = true; + } } else { PrintAndLog("Command execute timeout"); } @@ -1208,40 +970,40 @@ int CmdHF14AMfChk(const char *Cmd) b<127?(b+=4):(b+=16); } } - - free(keyBlock); -/* - // Create dump file + if (transferToEml) { + uint8_t block[16]; + for (uint16_t sectorNo = 0; sectorNo < SectorsCnt; sectorNo++) { + if (validKey[0][sectorNo] || validKey[1][sectorNo]) { + mfEmlGetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1); + for (uint16_t t = 0; t < 2; t++) { + if (validKey[t][sectorNo]) { + memcpy(block + t*10, foundKey[t][sectorNo], 6); + } + } + mfEmlSetMem(block, FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 1); + } + } + PrintAndLog("Found keys have been transferred to the emulator memory"); + } + if (createDumpFile) { - if ((fkeys = fopen("dumpkeys.bin","wb")) == NULL) { + FILE *fkeys = fopen("dumpkeys.bin","wb"); + if (fkeys == NULL) { PrintAndLog("Could not create file dumpkeys.bin"); - free(e_sector); + free(keyBlock); return 1; } - PrintAndLog("Printing keys to binary file dumpkeys.bin..."); - for(i=0; i<16; i++) { - if (e_sector[i].foundKey[0]){ - num_to_bytes(e_sector[i].Key[0], 6, tempkey); - fwrite ( tempkey, 1, 6, fkeys ); - } - else{ - fwrite ( &standart, 1, 6, fkeys ); - } - } - for(i=0; i<16; i++) { - if (e_sector[i].foundKey[1]){ - num_to_bytes(e_sector[i].Key[1], 6, tempkey); - fwrite ( tempkey, 1, 6, fkeys ); - } - else{ - fwrite ( &standart, 1, 6, fkeys ); - } + for (uint16_t t = 0; t < 2; t++) { + fwrite(foundKey[t], 1, 6*SectorsCnt, fkeys); } fclose(fkeys); + PrintAndLog("Found keys have been dumped to file dumpkeys.bin. 0xffffffffffff has been inserted for unknown keys."); } -*/ - return 0; + + free(keyBlock); + PrintAndLog(""); + return 0; } int CmdHF14AMf1kSim(const char *Cmd) @@ -1250,12 +1012,16 @@ 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; } @@ -1309,7 +1075,6 @@ int CmdHF14AMf1kSim(const char *Cmd) return 0; } - int CmdHF14AMfDbg(const char *Cmd) { int dbgMode = param_get32ex(Cmd, 0, 0, 10); @@ -1337,7 +1102,7 @@ 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 "); @@ -1357,7 +1122,6 @@ int CmdHF14AMfEGet(const char *Cmd) return 0; } - int CmdHF14AMfEClear(const char *Cmd) { if (param_getchar(Cmd, 0) == 'h') { @@ -1403,26 +1167,41 @@ int CmdHF14AMfESet(const char *Cmd) int CmdHF14AMfELoad(const char *Cmd) { FILE * f; - char filename[20]; + char filename[FILE_PATH_SIZE]; char *fnameptr = filename; - char buf[64]; - uint8_t buf8[64]; - int i, len, blockNum; + 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)); - - if (param_getchar(Cmd, 0) == 'h' || param_getchar(Cmd, 0)== 0x00) { + 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 "); + PrintAndLog("Usage: hf mf eload [card memory] "); + PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + PrintAndLog(""); PrintAndLog(" sample: hf mf eload filename"); + PrintAndLog(" hf mf eload 4 filename"); return 0; } - len = strlen(Cmd); - if (len > 14) len = 14; + switch (ctmp) { + case '0' : numBlocks = 5*4; break; + case '1' : + case '\0': numBlocks = 16*4; break; + case '2' : numBlocks = 32*4; break; + case '4' : numBlocks = 256; break; + default: { + numBlocks = 16*4; + nameParamNo = 0; + } + } + + len = param_getstr(Cmd,nameParamNo,filename); + + if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; - memcpy(filename, Cmd, len); fnameptr += len; sprintf(fnameptr, ".eml"); @@ -1430,42 +1209,50 @@ int CmdHF14AMfELoad(const char *Cmd) // open file f = fopen(filename, "r"); if (f == NULL) { - PrintAndLog("File not found or locked."); + PrintAndLog("File %s not found or locked", filename); return 1; } blockNum = 0; while(!feof(f)){ memset(buf, 0, sizeof(buf)); + if (fgets(buf, sizeof(buf), f) == NULL) { - if((blockNum == 16*4) || (blockNum == 32*4 + 8*16)) { // supports both old (1K) and new (4K) .eml files) - break; - } + + if (blockNum >= numBlocks) break; + PrintAndLog("File reading error."); + fclose(f); return 2; } + 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]); -// PrintAndLog("data[%02d]:%s", blockNum, sprint_hex(buf8, 16)); } + if (mfEmlSetMem(buf8, blockNum, 1)) { PrintAndLog("Cant set emul block: %3d", blockNum); + fclose(f); return 3; } + printf("."); blockNum++; - if (blockNum >= 32*4 + 8*16) break; + if (blockNum >= numBlocks) break; } fclose(f); + printf("\n"); - if ((blockNum != 16*4) && (blockNum != 32*4 + 8*16)) { - PrintAndLog("File content error. There must be 64 or 256 blocks."); + if ((blockNum != numBlocks)) { + PrintAndLog("File content error. Got %d must be %d blocks.",blockNum, numBlocks); return 4; } PrintAndLog("Loaded %d blocks from file: %s", blockNum, filename); @@ -1476,56 +1263,81 @@ int CmdHF14AMfELoad(const char *Cmd) int CmdHF14AMfESave(const char *Cmd) { FILE * f; - char filename[20]; + char filename[FILE_PATH_SIZE]; char * fnameptr = filename; uint8_t buf[64]; - int i, j, len; + int i, j, len, numBlocks; + int nameParamNo = 1; memset(filename, 0, sizeof(filename)); memset(buf, 0, sizeof(buf)); - if (param_getchar(Cmd, 0) == 'h') { + char ctmp = param_getchar(Cmd, 0); + + if ( ctmp == 'h' || ctmp == 'H') { PrintAndLog("It saves emul dump into the file `filename.eml` or `cardID.eml`"); - PrintAndLog("Usage: hf mf esave [file name w/o `.eml`]"); + PrintAndLog(" Usage: hf mf esave [card memory] [file name w/o `.eml`]"); + PrintAndLog(" [card memory]: 0 = 320 bytes (Mifare Mini), 1 = 1K (default), 2 = 2K, 4 = 4K"); + PrintAndLog(""); PrintAndLog(" sample: hf mf esave "); - PrintAndLog(" hf mf esave filename"); + PrintAndLog(" hf mf esave 4"); + PrintAndLog(" hf mf esave 4 filename"); return 0; } - len = strlen(Cmd); - if (len > 14) len = 14; + switch (ctmp) { + case '0' : numBlocks = 5*4; break; + case '1' : + case '\0': numBlocks = 16*4; break; + case '2' : numBlocks = 32*4; break; + case '4' : numBlocks = 256; break; + default: { + numBlocks = 16*4; + nameParamNo = 0; + } + } + + len = param_getstr(Cmd,nameParamNo,filename); + + if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; + // user supplied filename? if (len < 1) { - // get filename + // get filename (UID from memory) if (mfEmlGetMem(buf, 0, 1)) { - PrintAndLog("Cant get block: %d", 0); - return 1; + PrintAndLog("Can\'t get UID from block: %d", 0); + sprintf(filename, "dump.eml"); } for (j = 0; j < 7; j++, fnameptr += 2) - sprintf(fnameptr, "%02x", buf[j]); + sprintf(fnameptr, "%02X", buf[j]); } else { - memcpy(filename, Cmd, len); fnameptr += len; } + // add file extension sprintf(fnameptr, ".eml"); // open file f = fopen(filename, "w+"); + if ( !f ) { + PrintAndLog("Can't open file %s ", filename); + return 1; + } + // put hex - for (i = 0; i < 32*4 + 8*16; i++) { + for (i = 0; i < numBlocks; i++) { if (mfEmlGetMem(buf, i, 1)) { PrintAndLog("Cant get block: %d", i); break; } for (j = 0; j < 16; j++) - fprintf(f, "%02x", buf[j]); + fprintf(f, "%02X", buf[j]); fprintf(f,"\n"); } fclose(f); - PrintAndLog("Saved to file: %s", filename); + PrintAndLog("Saved %d blocks to file: %s", numBlocks, filename); return 0; } @@ -1574,13 +1386,34 @@ int CmdHF14AMfECFill(const char *Cmd) int CmdHF14AMfEKeyPrn(const char *Cmd) { int i; + uint8_t numSectors; uint8_t data[16]; uint64_t keyA, keyB; + if (param_getchar(Cmd, 0) == '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"); + PrintAndLog(""); + PrintAndLog(" sample: hf mf ekeyprn 1"); + return 0; + } + + char cmdp = param_getchar(Cmd, 0); + + switch (cmdp) { + case '0' : numSectors = 5; break; + case '1' : + case '\0': numSectors = 16; break; + case '2' : numSectors = 32; break; + case '4' : numSectors = 40; break; + default: numSectors = 16; + } + PrintAndLog("|---|----------------|----------------|"); PrintAndLog("|sec|key A |key B |"); PrintAndLog("|---|----------------|----------------|"); - for (i = 0; i < 40; i++) { + for (i = 0; i < numSectors; i++) { if (mfEmlGetMem(data, FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1, 1)) { PrintAndLog("error get block %d", FirstBlockOfSector(i) + NumBlocksPerSector(i) - 1); break; @@ -1598,51 +1431,84 @@ int CmdHF14AMfEKeyPrn(const char *Cmd) int CmdHF14AMfCSetUID(const char *Cmd) { uint8_t wipeCard = 0; - uint8_t uid[8]; - uint8_t oldUid[8]; + 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; + } - res = mfCSetUID(uid, oldUid, wipeCard); + 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; + } + } + + 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; } PrintAndLog("old UID:%s", sprint_hex(oldUid, 4)); + PrintAndLog("new UID:%s", sprint_hex(uid, 4)); return 0; } int CmdHF14AMfCSetBlk(const char *Cmd) { - uint8_t uid[8]; - uint8_t memBlock[16]; + uint8_t memBlock[16] = {0x00}; uint8_t blockNo = 0; + bool wipeCard = FALSE; 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; } @@ -1653,15 +1519,15 @@ int CmdHF14AMfCSetBlk(const char *Cmd) return 1; } + char ctmp = param_getchar(Cmd, 2); + wipeCard = (ctmp == 'w' || ctmp == 'W'); 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, wipeCard, CSETBLOCK_SINGLE_OPER); 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; } @@ -1669,18 +1535,15 @@ int CmdHF14AMfCSetBlk(const char *Cmd) int CmdHF14AMfCLoad(const char *Cmd) { FILE * f; - char filename[20]; + char filename[FILE_PATH_SIZE] = {0x00}; char * fnameptr = filename; - char buf[64]; - uint8_t buf8[64]; + 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)); - 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`"); + 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 "); @@ -1692,15 +1555,14 @@ int CmdHF14AMfCLoad(const char *Cmd) 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 = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; // switch on field and send magic sequence + if (blockNum == 1) flags = 0; // just write + if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Magic Halt and switch off field. if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) { PrintAndLog("Cant set magic card block: %d", blockNum); @@ -1710,7 +1572,7 @@ int CmdHF14AMfCLoad(const char *Cmd) return 0; } else { len = strlen(Cmd); - if (len > 14) len = 14; + if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; memcpy(filename, Cmd, len); fnameptr += len; @@ -1725,15 +1587,16 @@ 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) { 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"); @@ -1742,8 +1605,9 @@ int CmdHF14AMfCLoad(const char *Cmd) 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 = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; // switch on field and send magic sequence + if (blockNum == 1) flags = 0; // just write + if (blockNum == 16 * 4 - 1) flags = CSETBLOCK_HALT + CSETBLOCK_RESET_FIELD; // Done. Switch off field. if (mfCSetBlock(blockNum, buf8, NULL, 0, flags)) { PrintAndLog("Can't set magic card block: %d", blockNum); @@ -1762,6 +1626,7 @@ int CmdHF14AMfCLoad(const char *Cmd) PrintAndLog("Loaded from file: %s", filename); return 0; } + return 0; } int CmdHF14AMfCGetBlk(const char *Cmd) { @@ -1773,7 +1638,7 @@ int CmdHF14AMfCGetBlk(const char *Cmd) { if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == '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; } @@ -1793,15 +1658,14 @@ int CmdHF14AMfCGetBlk(const char *Cmd) { int CmdHF14AMfCGetSc(const char *Cmd) { - uint8_t memBlock[16]; + uint8_t memBlock[16] = {0x00}; uint8_t sectorNo = 0; int i, res, flags; - memset(memBlock, 0x00, sizeof(memBlock)); if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == '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; } @@ -1833,14 +1697,14 @@ int CmdHF14AMfCGetSc(const char *Cmd) { int CmdHF14AMfCSave(const char *Cmd) { FILE * f; - char filename[20]; + char filename[FILE_PATH_SIZE] = {0x00}; char * fnameptr = filename; uint8_t fillFromEmulator = 0; - uint8_t buf[64]; + uint8_t buf[64] = {0x00}; int i, j, len, flags; - memset(filename, 0, sizeof(filename)); - memset(buf, 0, sizeof(buf)); + // memset(filename, 0, sizeof(filename)); + // memset(buf, 0, sizeof(buf)); if (param_getchar(Cmd, 0) == 'h') { PrintAndLog("It saves `magic Chinese` card dump into the file `filename.eml` or `cardID.eml`"); @@ -1875,7 +1739,7 @@ int CmdHF14AMfCSave(const char *Cmd) { return 0; } else { len = strlen(Cmd); - if (len > 14) len = 14; + if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; if (len < 1) { // get filename @@ -1895,6 +1759,11 @@ int CmdHF14AMfCSave(const char *Cmd) { // open file f = fopen(filename, "w+"); + if (f == NULL) { + PrintAndLog("File not found or locked."); + return 1; + } + // put hex flags = CSETBLOCK_INIT_FIELD + CSETBLOCK_WUPC; for (i = 0; i < 16 * 4; i++) { @@ -1919,7 +1788,7 @@ int CmdHF14AMfCSave(const char *Cmd) { int CmdHF14AMfSniff(const char *Cmd){ - // params + bool wantLogToFile = 0; bool wantDecrypt = 0; //bool wantSaveToEml = 0; TODO @@ -1929,32 +1798,32 @@ 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; - uint32_t parity; - 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`"); PrintAndLog(" d - decrypt sequence and put it to log file `uid.log`"); PrintAndLog(" n/a e - decrypt sequence, collect read and write commands and save the result of the sequence to emulator memory"); - PrintAndLog(" r - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`"); - PrintAndLog("Usage: hf mf sniff [l][d][e][r]"); + PrintAndLog(" f - decrypt sequence, collect read and write commands and save the result of the sequence to emulator dump file `uid.eml`"); + PrintAndLog("Usage: hf mf sniff [l][d][e][f]"); PrintAndLog(" sample: hf mf sniff l d e"); return 0; } 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 @@ -1981,41 +1850,59 @@ 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) 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 + 9 < blockLen) { - isTag = bufPtr[3] & 0x80 ? true:false; - bufPtr += 4; - parity = *((uint32_t *)(bufPtr)); - bufPtr += 4; - len = bufPtr[0]; - bufPtr++; - if ((len == 14) && (bufPtr[0] == 0xff) && (bufPtr[1] == 0xff)) { + while (bufPtr - buf < blockLen) { + bufPtr += 6; // skip (void) timing information + len = *((uint16_t *)bufPtr); + if(len & 0x8000) { + isTag = true; + len &= 0x7fff; + } else { + isTag = false; + } + 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], @@ -2032,114 +1919,27 @@ int CmdHF14AMfSniff(const char *Cmd){ if (wantLogToFile) AddLogHex(logHexFileName, isTag ? "TAG: ":"RDR: ", bufPtr, len); if (wantDecrypt) - mfTraceDecode(bufPtr, len, parity, wantSaveToEmlFile); + mfTraceDecode(bufPtr, len, wantSaveToEmlFile); + num++; } bufPtr += len; - num++; + bufPtr += ((len-1)/8+1); // ignore parity } + pckNum = 0; } } // resp not NULL } // while (true) - - return 0; -} - -// Tries to identify cardsize. -// Returns where num is: -// -1 unidentified -// 0 - MINI (320bytes) -// 1 - 1K -// 2 - 2K -// 4 - 4K -int GetCardSize() -{ - UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}}; - SendCommand(&c); - - UsbCommand resp; - WaitForResponse(CMD_ACK,&resp); - - if(resp.arg[0] == 0) { - PrintAndLog("iso14443a card select failed"); - return -1; - } - - iso14a_card_select_t *card = (iso14a_card_select_t *)resp.d.asBytes; - - PrintAndLog("Trying to detect card size."); - - uint16_t atqa = 0; - uint8_t sak = 0; - atqa = (card->atqa[1] & 0xff) << 8; - atqa += card->atqa[0] & 0xff; - sak = card->sak; - - // https://code.google.com/p/libnfc/source/browse/libnfc/target-subr.c - - PrintAndLog("found ATAQ: %04X SAK: %02X", atqa, sak); - - - // NXP MIFARE Mini 0.3k - if ( (atqa && 0xff0f == 0x0004) && (sak == 0x09) ) return 0; - - // MIFARE Classic 1K - if ( (atqa && 0xff0f == 0x0004) && (sak == 0x08) ) return 1; - - // MIFARE Classik 4K - if ( (atqa && 0xff0f == 0x0002) && (sak == 0x18) ) return 4; - - // SmartMX with MIFARE 1K emulation - if ( (atqa && 0xf0ff == 0x0004) ) return 1; - - // SmartMX with MIFARE 4K emulation - if ( (atqa && 0xf0ff == 0x0002) ) return 4; - - // Infineon MIFARE CLASSIC 1K - if ( (atqa && 0xffff == 0x0004) && (sak == 0x88) ) return 1; - - // MFC 4K emulated by Nokia 6212 Classic - if ( (atqa && 0xffff == 0x0002) && (sak == 0x38) ) return 4; - - // MFC 4K emulated by Nokia 6131 NFC - if ( (atqa && 0xffff == 0x0008) && (sak == 0x38) ) return 4; - // MIFARE Plus (4 Byte UID or 4 Byte RID) - // MIFARE Plus (7 Byte UID) - if ( - (atqa && 0xffff == 0x0002) || - (atqa && 0xffff == 0x0004) || - (atqa && 0xffff == 0x0042) || - (atqa && 0xffff == 0x0044) - ) - { - switch(sak){ - case 0x08: - case 0x10: - //case 0x20: - return 2; - break; - case 0x11: - case 0x18: - //case 0x20: - return 4; - break; - } - } - - return -1; + free(buf); + return 0; } - - 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"}, @@ -2157,9 +1957,9 @@ static command_t CommandTable[] = {"ecfill", CmdHF14AMfECFill, 0, "Fill simulator memory with help of keys from simulator"}, {"ekeyprn", CmdHF14AMfEKeyPrn, 0, "Print keys from simulator memory"}, {"csetuid", CmdHF14AMfCSetUID, 0, "Set UID for magic Chinese card"}, - {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block into magic Chinese card"}, - {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block from magic Chinese card"}, - {"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector from magic Chinese card"}, + {"csetblk", CmdHF14AMfCSetBlk, 0, "Write block - Magic Chinese card"}, + {"cgetblk", CmdHF14AMfCGetBlk, 0, "Read block - Magic Chinese card"}, + {"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"}, {NULL, NULL, 0, NULL}