X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/4c16ae80f0bffae2092e208c46a5005356c24ce1..7cb8516cb5919cf883c7d3b16f4b5e9f75b586ee:/client/cmdhfmf.c diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c index 3fc3f8f7..eb3dc878 100644 --- a/client/cmdhfmf.c +++ b/client/cmdhfmf.c @@ -9,8 +9,18 @@ //----------------------------------------------------------------------------- #include -#include "cmdhfmf.h" -#include "./nonce2key/nonce2key.h" +#include +#include +#include "proxmark3.h" +#include "cmdmain.h" +#include "util.h" +#include "ui.h" +#include "mifarehost.h" +#include "mifare.h" +#include "nonce2key/nonce2key.h" + +#define NESTED_SECTOR_RETRY 10 // how often we try mfested() until we give up + static int CmdHelp(const char *Cmd); @@ -328,29 +338,32 @@ int CmdHF14AMfDump(const char *Cmd) PrintAndLog("|-----------------------------------------|"); PrintAndLog("|------ Reading sector access bits...-----|"); PrintAndLog("|-----------------------------------------|"); - + uint8_t tries = 0; 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); - SendCommand(&c); + for (tries = 0; tries < 3; tries++) { + UsbCommand c = {CMD_MIFARE_READBL, {FirstBlockOfSector(sectorNo) + NumBlocksPerSector(sectorNo) - 1, 0, 0}}; + memcpy(c.d.asBytes, keyA[sectorNo], 6); + SendCommand(&c); - if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { - uint8_t isOK = resp.arg[0] & 0xff; - uint8_t *data = resp.d.asBytes; - if (isOK){ - 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 + if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) { + uint8_t isOK = resp.arg[0] & 0xff; + uint8_t *data = resp.d.asBytes; + if (isOK){ + 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 + break; + } else if (tries == 2) { // on last try set defaults + 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("Could not get access rights for sector %2d. Trying with defaults...", sectorNo); + 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; } - } else { - 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; } } @@ -362,27 +375,33 @@ int CmdHF14AMfDump(const char *Cmd) 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. - 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); - } 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] == 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] == 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 + for (tries = 0; tries < 3; tries++) { + 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); SendCommand(&c); 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] == 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] == 0x07) { // no key would work + isOK = false; + PrintAndLog("Access rights do not allow reading of sector %2d block %3d", sectorNo, blockNo); + tries = 2; + } 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); + } + } + if (received) { + isOK = resp.arg[0] & 0xff; + if (isOK) break; } } @@ -542,10 +561,17 @@ int CmdHF14AMfRestore(const char *Cmd) return 0; } + +typedef struct { + uint64_t Key[2]; + int foundKey[2]; +} sector_t; + + int CmdHF14AMfNested(const char *Cmd) { int i, j, res, iterations; - sector *e_sector = NULL; + sector_t *e_sector = NULL; uint8_t blockNo = 0; uint8_t keyType = 0; uint8_t trgBlockNo = 0; @@ -665,7 +691,7 @@ int CmdHF14AMfNested(const char *Cmd) clock_t time1; time1 = clock(); - e_sector = calloc(SectorsCnt, sizeof(sector)); + e_sector = calloc(SectorsCnt, sizeof(sector_t)); if (e_sector == NULL) return 1; //test current key and additional standard keys first @@ -1759,7 +1785,7 @@ int CmdHF14AMfCSetBlk(const char *Cmd) { uint8_t memBlock[16] = {0x00}; uint8_t blockNo = 0; - bool wipeCard = FALSE; + bool wipeCard = false; int res; if (strlen(Cmd) < 1 || param_getchar(Cmd, 0) == 'h') {