client part

This commit is contained in:
merlokk 2019-02-01 18:00:08 +02:00
parent 30a6ef19b9
commit 673c080ea5

View file

@ -1,6 +1,6 @@
//-----------------------------------------------------------------------------
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>, Hagen Fritsch
// 2011, 2017 Merlok
// 2011, 2017 - 2019 Merlok
// 2014, Peter Fillmore
// 2015, 2016, 2017 Iceman
//
@ -12,6 +12,8 @@
//-----------------------------------------------------------------------------
#include "cmdhf14a.h"
bool APDUInFramingEnable = true;
static int CmdHelp(const char *Cmd);
static int waitCmd(uint8_t iLen);
@ -837,15 +839,90 @@ int ExchangeRAW14a(uint8_t *datain, int datainlen, bool activateField, bool leav
return 0;
}
int CmdExchangeAPDU(uint8_t *datain, int datainlen, bool activateField, uint8_t *dataout, int maxdataoutlen, int *dataoutlen, bool *chaining) {
uint16_t cmdc = 0;
int SelectCard14443_4(bool disconnect, iso14a_card_select_t *card) {
UsbCommand resp;
*chaining = false;
frameLength = 0;
if (card)
memset(card, 0, sizeof(iso14a_card_select_t));
if (activateField) {
cmdc |= ISO14A_CONNECT;
DropField();
// Anticollision + SELECT card
UsbCommand ca = {CMD_READER_ISO_14443a, {ISO14A_CONNECT | ISO14A_NO_DISCONNECT, 0, 0}};
SendCommand(&ca);
if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
PrintAndLogEx(ERR, "Proxmark connection timeout.");
return 1;
}
// check result
if (resp.arg[0] == 0) {
PrintAndLogEx(ERR, "No card in field.");
return 1;
}
if (resp.arg[0] != 1 && resp.arg[0] != 2) {
PrintAndLogEx(ERR, "Card not in iso14443-4. res=%d.", resp.arg[0]);
return 1;
}
if (resp.arg[0] == 2) { // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
// get ATS
UsbCommand cr = {CMD_READER_ISO_14443a, {ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_DISCONNECT, 2, 0}};
uint8_t rats[] = { 0xE0, 0x80 }; // FSDI=8 (FSD=256), CID=0
memcpy(cr.d.asBytes, rats, 2);
SendCommand(&cr);
if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
PrintAndLogEx(ERR, "Proxmark connection timeout.");
return 1;
}
if (resp.arg[0] <= 0) { // ats_len
PrintAndLogEx(ERR, "Can't get ATS.");
return 1;
}
// get frame length from ATS in data field
if (resp.arg[0] > 1) {
uint8_t fsci = resp.d.asBytes[1] & 0x0f;
if (fsci < sizeof(atsFSC))
frameLength = atsFSC[fsci];
}
} else {
// get frame length from ATS in card data structure
iso14a_card_select_t *vcard = (iso14a_card_select_t *) resp.d.asBytes;
if (vcard->ats_len > 1) {
uint8_t fsci = vcard->ats[1] & 0x0f;
if (fsci < sizeof(atsFSC))
frameLength = atsFSC[fsci];
}
if (card)
memcpy(card, vcard, sizeof(iso14a_card_select_t));
}
if (disconnect)
DropField();
return 0;
}
int CmdExchangeAPDU(bool chainingin, uint8_t *datain, int datainlen, bool activateField, uint8_t *dataout, int maxdataoutlen, int *dataoutlen, bool *chainingout) {
*chainingout = false;
if (activateField) {
// select with no disconnect and set frameLength
int selres = SelectCard14443_4(false, NULL);
if (selres)
return selres;
}
uint16_t cmdc = 0;
if (chainingin)
cmdc = ISO14A_SEND_CHAINING;
// "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
@ -857,18 +934,6 @@ int CmdExchangeAPDU(uint8_t *datain, int datainlen, bool activateField, uint8_t
uint8_t *recv;
UsbCommand resp;
if (activateField) {
if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
PrintAndLogEx(ERR, "APDU: Proxmark connection timeout.");
return 1;
}
if (resp.arg[0] != 1) {
PrintAndLogEx(ERR, "APDU: Proxmark error %d.", resp.arg[0]);
DropField();
return 1;
}
}
if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
recv = resp.d.asBytes;
int iLen = resp.arg[0];
@ -884,13 +949,20 @@ int CmdExchangeAPDU(uint8_t *datain, int datainlen, bool activateField, uint8_t
return 2;
}
// I-block ACK
if ((res & 0xf2) == 0xa2) {
*dataoutlen = 0;
*chainingout = true;
return 0;
}
if(!iLen) {
PrintAndLogEx(ERR, "APDU: No APDU response.");
return 1;
}
// check apdu length
if (iLen < 4 && iLen >= 0) {
if (iLen < 2 && iLen >= 0) {
PrintAndLogEx(ERR, "APDU: Small APDU response. Len=%d", iLen);
return 2;
}
@ -905,7 +977,7 @@ int CmdExchangeAPDU(uint8_t *datain, int datainlen, bool activateField, uint8_t
// chaining
if ((res & 0x10) != 0) {
*chaining = true;
*chainingout = true;
}
// CRC Check
@ -924,12 +996,58 @@ int CmdExchangeAPDU(uint8_t *datain, int datainlen, bool activateField, uint8_t
int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
*dataoutlen = 0;
bool chaining = false;
int res = CmdExchangeAPDU(datain, datainlen, activateField, dataout, maxdataoutlen, dataoutlen, &chaining);
int res;
printf("framelen=%d datainlen=%d\n", frameLength, datainlen);
// 3 byte here - 1b framing header, 2b crc16
if (APDUInFramingEnable &&
( (frameLength && (datainlen > frameLength - 3)) || (datainlen > USB_CMD_DATA_SIZE - 3)) ) {
int clen = 0;
bool vActivateField = activateField;
do {
int vlen = MIN(frameLength - 3, datainlen - clen);
bool chainBlockNotLast = ((clen + vlen) < datainlen);
*dataoutlen = 0;
res = CmdExchangeAPDU(chainBlockNotLast, &datain[clen], vlen, vActivateField, dataout, maxdataoutlen, dataoutlen, &chaining);
if (res) {
if (!leaveSignalON)
DropField();
return 200;
}
// check R-block ACK
if ((*dataoutlen == 0) && (*dataoutlen != 0 || chaining != chainBlockNotLast)) {
if (!leaveSignalON)
DropField();
return 201;
}
clen += vlen;
vActivateField = false;
if (*dataoutlen) {
if (clen != datainlen)
PrintAndLogEx(WARNING, "APDU: I-block/R-block sequence error. Data len=%d, Sent=%d, Last packet len=%d", datainlen, clen, *dataoutlen);
break;
}
} while (clen < datainlen);
} else {
res = CmdExchangeAPDU(false, datain, datainlen, activateField, dataout, maxdataoutlen, dataoutlen, &chaining);
if (res) {
if (!leaveSignalON)
DropField();
return res;
}
}
while (chaining) {
// I-block with chaining
res = CmdExchangeAPDU(NULL, 0, false, &dataout[*dataoutlen], maxdataoutlen, dataoutlen, &chaining);
res = CmdExchangeAPDU(false, NULL, 0, false, &dataout[*dataoutlen], maxdataoutlen, dataoutlen, &chaining);
if (res) {
if (!leaveSignalON)