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use apduencode for emv commands

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This commit is contained in:
merlokk 2019-07-16 17:04:54 +03:00
commit a30c62137b
3 changed files with 37 additions and 14 deletions
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26
client/emv/emvcore.c
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@ -277,24 +277,22 @@ static int EMVExchangeEx(EMVCommandChannel channel, bool ActivateField, bool Lea
}
// COMPUTE APDU
memcpy(data, &apdu, 5);
if (apdu.data)
memcpy(&data[5], apdu.data, apdu.Lc);
int datalen = 0;
APDUEncodeS(&apdu, false, IncludeLe ? 0x100 : 0x00, data, &datalen);
if (APDULogging)
PrintAndLogEx(SUCCESS, ">>>> %s", sprint_hex(data, (IncludeLe ? 6 : 5) + apdu.Lc));
PrintAndLogEx(SUCCESS, ">>>> %s", sprint_hex(data, datalen));
switch (channel) {
case ECC_CONTACTLESS:
// 6 byes + data = INS + CLA + P1 + P2 + Lc + <data = Nc> + Le(?IncludeLe)
res = ExchangeAPDU14a(data, (IncludeLe ? 6 : 5) + apdu.Lc, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
res = ExchangeAPDU14a(data, datalen, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
if (res) {
return res;
}
break;
case ECC_CONTACT:
if (IfPm3Smartcard())
res = ExchangeAPDUSC(data, (IncludeLe ? 6 : 5) + apdu.Lc, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
res = ExchangeAPDUSC(data, datalen, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
else
res = 1;
if (res) {
@ -336,7 +334,7 @@ static int EMVExchangeEx(EMVCommandChannel channel, bool ActivateField, bool Lea
}
int EMVExchange(EMVCommandChannel channel, bool LeaveFieldON, sAPDU apdu, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
return EMVExchangeEx(channel, false, LeaveFieldON, apdu, (channel == ECC_CONTACTLESS), Result, MaxResultLen, ResultLen, sw, tlv);
return EMVExchangeEx(channel, false, LeaveFieldON, apdu, false, Result, MaxResultLen, ResultLen, sw, tlv);
}
int EMVSelect(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t *AID, size_t AIDLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
@ -609,9 +607,9 @@ int EMVGPO(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *PDOL, size_t P
}
int EMVReadRecord(EMVCommandChannel channel, bool LeaveFieldON, uint8_t SFI, uint8_t SFIrec, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
int res = EMVExchange(channel, LeaveFieldON, (sAPDU) {0x00, 0xb2, SFIrec, (SFI << 3) | 0x04, 0, NULL}, Result, MaxResultLen, ResultLen, sw, tlv);
if (*sw == 0x6700) {
PrintAndLogEx(INFO, ">>> trying to reissue command withouth Le...");
int res = EMVExchangeEx(channel, false, LeaveFieldON, (sAPDU) {0x00, 0xb2, SFIrec, (SFI << 3) | 0x04, 0, NULL}, true, Result, MaxResultLen, ResultLen, sw, tlv);
if (*sw == 0x6700 || *sw == 0x6f00) {
PrintAndLogEx(INFO, ">>> trying to reissue command without Le...");
res = EMVExchangeEx(channel, false, LeaveFieldON, (sAPDU) {0x00, 0xb2, SFIrec, (SFI << 3) | 0x04, 0, NULL}, false, Result, MaxResultLen, ResultLen, sw, tlv);
}
return res;
@ -622,9 +620,9 @@ int EMVAC(EMVCommandChannel channel, bool LeaveFieldON, uint8_t RefControl, uint
}
int EMVGenerateChallenge(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) {
int res = EMVExchange(channel, LeaveFieldON, (sAPDU) {0x00, 0x84, 0x00, 0x00, 0x00, NULL}, Result, MaxResultLen, ResultLen, sw, tlv);
if (*sw == 0x6700) {
PrintAndLogEx(INFO, ">>> trying to reissue command withouth Le...");
int res = EMVExchangeEx(channel, false, LeaveFieldON, (sAPDU) {0x00, 0x84, 0x00, 0x00, 0x00, NULL}, true, Result, MaxResultLen, ResultLen, sw, tlv);
if (*sw == 0x6700 || *sw == 0x6f00) {
PrintAndLogEx(INFO, ">>> trying to reissue command without Le...");
res = EMVExchangeEx(channel, false, LeaveFieldON, (sAPDU) {0x00, 0x84, 0x00, 0x00, 0x00, NULL}, false, Result, MaxResultLen, ResultLen, sw, tlv);
}
return res;