X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/b7d3e89923d418c8a7b6acf1ca74f45b436be26d..refs/pull/649/head:/client/cmdhf14a.c diff --git a/client/cmdhf14a.c b/client/cmdhf14a.c index 18e13794..03ab0b5a 100644 --- a/client/cmdhf14a.c +++ b/client/cmdhf14a.c @@ -11,11 +11,16 @@ #include "cmdhf14a.h" +#include +#include +#include +#include +#include +#include #include "util.h" #include "util_posix.h" #include "iso14443crc.h" -#include "data.h" -#include "proxmark3.h" +#include "comms.h" #include "ui.h" #include "cmdparser.h" #include "common.h" @@ -29,8 +34,13 @@ static int CmdHelp(const char *Cmd); static int waitCmd(uint8_t iLen); +// structure and database for uid -> tagtype lookups +typedef struct { + uint8_t uid; + char* desc; +} manufactureName; -const manufactureName manufactureMapping[] = { +static const manufactureName manufactureMapping[] = { // ID, "Vendor Country" { 0x01, "Motorola UK" }, { 0x02, "ST Microelectronics SA France" }, @@ -127,29 +137,28 @@ int CmdHF14AList(const char *Cmd) int CmdHF14AReader(const char *Cmd) { uint32_t cm = ISO14A_CONNECT; - bool disconnectAfter = false; + bool disconnectAfter = true; int cmdp = 0; while(param_getchar(Cmd, cmdp) != 0x00) { switch(param_getchar(Cmd, cmdp)) { case 'h': case 'H': - PrintAndLog("Usage: hf 14a reader [d] [3]"); - PrintAndLog(" d drop the signal field after command executed"); + PrintAndLog("Usage: hf 14a reader [k|x] [3]"); + PrintAndLog(" k keep the field active after command executed"); PrintAndLog(" x just drop the signal field"); PrintAndLog(" 3 ISO14443-3 select only (skip RATS)"); return 0; case '3': cm |= ISO14A_NO_RATS; break; - case 'd': - case 'D': - disconnectAfter = true; + case 'k': + case 'K': + disconnectAfter = false; break; case 'x': case 'X': - disconnectAfter = true; - cm = cm - ISO14A_CONNECT; + cm &= ~ISO14A_CONNECT; break; default: PrintAndLog("Unknown command."); @@ -187,14 +196,19 @@ int CmdHF14AReader(const char *Cmd) { PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen)); PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]); - PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]); + PrintAndLog(" SAK : %02x [%" PRIu64 "]", card.sak, resp.arg[0]); if(card.ats_len >= 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes PrintAndLog(" ATS : %s", sprint_hex(card.ats, card.ats_len)); } - PrintAndLog("Card is selected. You can now start sending commands"); - } else { + if (!disconnectAfter) { + PrintAndLog("Card is selected. You can now start sending commands"); + } + } + + if (disconnectAfter) { PrintAndLog("Field dropped."); } + return 0; } @@ -234,7 +248,7 @@ int CmdHF14AInfo(const char *Cmd) PrintAndLog(" UID : %s", sprint_hex(card.uid, card.uidlen)); PrintAndLog("ATQA : %02x %02x", card.atqa[1], card.atqa[0]); - PrintAndLog(" SAK : %02x [%d]", card.sak, resp.arg[0]); + PrintAndLog(" SAK : %02x [%" PRIu64 "]", card.sak, resp.arg[0]); bool isMifareClassic = true; switch (card.sak) { @@ -472,12 +486,12 @@ int CmdHF14AInfo(const char *Cmd) // try to see if card responses to "chinese magic backdoor" commands. - mfCIdentify(); + (void)mfCIdentify(); if (isMifareClassic) { switch(DetectClassicPrng()) { case 0: - PrintAndLog("Prng detection: HARDEND (hardnested)"); + PrintAndLog("Prng detection: HARDENED (hardnested)"); break; case 1: PrintAndLog("Prng detection: WEAK"); @@ -639,7 +653,7 @@ void DropField() { SendCommand(&c); } -int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int *dataoutlen) { +int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) { uint16_t cmdc = 0; if (activateField) { @@ -651,8 +665,8 @@ int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool lea // "Command APDU" length should be 5+255+1, but javacard's APDU buffer might be smaller - 133 bytes // https://stackoverflow.com/questions/32994936/safe-max-java-card-apdu-data-command-and-respond-size // here length USB_CMD_DATA_SIZE=512 - // timeout timeout14a * 1.06 / 100, true, size, &keyBlock[6 * c], e_sector); // timeout is (ms * 106)/10 or us*0.0106 - UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_APDU | ISO14A_SET_TIMEOUT | cmdc, (datainlen & 0xFFFF), 1000 * 1000 * 1.06 / 100}}; + // timeout must be authomatically set by "get ATS" + UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_APDU | cmdc, (datainlen & 0xFFFF), 0}}; memcpy(c.d.asBytes, datain, datainlen); SendCommand(&c); @@ -677,6 +691,12 @@ int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool lea *dataoutlen = iLen - 2; if (*dataoutlen < 0) *dataoutlen = 0; + + if (maxdataoutlen && *dataoutlen > maxdataoutlen) { + PrintAndLog("APDU ERROR: Buffer too small(%d). Needs %d bytes", *dataoutlen, maxdataoutlen); + return 2; + } + memcpy(dataout, recv, *dataoutlen); if(!iLen) { @@ -710,6 +730,7 @@ int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool lea return 0; } +// ISO14443-4. 7. Half-duplex block transmission protocol int CmdHF14AAPDU(const char *cmd) { uint8_t data[USB_CMD_DATA_SIZE]; int datalen = 0; @@ -719,6 +740,7 @@ int CmdHF14AAPDU(const char *cmd) { if (strlen(cmd) < 2) { PrintAndLog("Usage: hf 14a apdu [-s] [-k] [-t] "); + PrintAndLog("Command sends an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol (T=CL)"); PrintAndLog(" -s activate field and select card"); PrintAndLog(" -k leave the signal field ON after receive response"); PrintAndLog(" -t executes TLV decoder if it possible. TODO!!!!"); @@ -747,7 +769,7 @@ int CmdHF14AAPDU(const char *cmd) { return 1; } - if (isxdigit(c)) { + if (isxdigit((unsigned char)c)) { // len = data + PCB(1b) + CRC(2b) switch(param_gethex_to_eol(cmd, cmdp, data, sizeof(data) - 1 - 2, &datalen)) { case 1: @@ -770,7 +792,7 @@ int CmdHF14AAPDU(const char *cmd) { PrintAndLog(">>>>[%s%s%s] %s", activateField ? "sel ": "", leaveSignalON ? "keep ": "", decodeTLV ? "TLV": "", sprint_hex(data, datalen)); - int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, &datalen); + int res = ExchangeAPDU14a(data, datalen, activateField, leaveSignalON, data, USB_CMD_DATA_SIZE, &datalen); if (res) return res; @@ -1004,18 +1026,15 @@ static command_t CommandTable[] = {"cuids", CmdHF14ACUIDs, 0, " Collect n>0 ISO14443 Type A UIDs in one go"}, {"sim", CmdHF14ASim, 0, " -- Simulate ISO 14443a tag"}, {"snoop", CmdHF14ASnoop, 0, "Eavesdrop ISO 14443 Type A"}, - {"apdu", CmdHF14AAPDU, 0, "Send ISO 1443-4 APDU to tag"}, + {"apdu", CmdHF14AAPDU, 0, "Send an ISO 7816-4 APDU via ISO 14443-4 block transmission protocol"}, {"raw", CmdHF14ACmdRaw, 0, "Send raw hex data to tag"}, {NULL, NULL, 0, NULL} }; int CmdHF14A(const char *Cmd) { - // flush - WaitForResponseTimeout(CMD_ACK,NULL,100); - - // parse - CmdsParse(CommandTable, Cmd); - return 0; + (void)WaitForResponseTimeout(CMD_ACK,NULL,100); + CmdsParse(CommandTable, Cmd); + return 0; } int CmdHelp(const char *Cmd)