X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/4cdd63b245e34b42df42b384009838020d8fad02..189b81774036217d93272ff7e89b4c60ce7b4ef7:/client/emv/emvcore.c?ds=sidebyside diff --git a/client/emv/emvcore.c b/client/emv/emvcore.c index 8deb4aa6..46fc1b1e 100644 --- a/client/emv/emvcore.c +++ b/client/emv/emvcore.c @@ -9,13 +9,27 @@ //----------------------------------------------------------------------------- #include "emvcore.h" + +#include #include "emvjson.h" #include "util_posix.h" #include "protocols.h" +#include "ui.h" +#include "util.h" +#include "emv_tags.h" +#include "emv_pk.h" +#include "emv_pki.h" +#include "cmdhf14a.h" +#include "apduinfo.h" +#include "tlv.h" +#include "dump.h" +#include "dol.h" + #ifdef WITH_SMARTCARD #include "cmdsmartcard.h" #endif + // Got from here. Thanks) // https://eftlab.co.uk/index.php/site-map/knowledge-base/211-emv-aid-rid-pix static const char *PSElist [] = { @@ -129,6 +143,12 @@ void SetAPDULogging(bool logging) { APDULogging = logging; } +void DropFieldEx(EMVCommandChannel channel) { + if (channel == ECC_CONTACTLESS) { + DropField(); + } +} + enum CardPSVendor GetCardPSVendor(uint8_t * AID, size_t AIDlen) { char buf[100] = {0}; if (AIDlen < 1) @@ -267,39 +287,38 @@ struct tlvdb *GetdCVVRawFromTrack2(const struct tlv *track2) { } -static int EMVExchangeEx(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t *apdu, int apdu_len, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) +int EMVExchangeEx(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t *apdu, int apdu_len, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) { *ResultLen = 0; if (sw) *sw = 0; uint16_t isw = 0; int res = 0; - if (ActivateField && channel == ECC_CONTACTLESS) { - DropField(); + if (ActivateField) { + DropFieldEx( channel ); msleep(50); } if (APDULogging) PrintAndLogEx(SUCCESS, ">>>> %s", sprint_hex(apdu, apdu_len)); +#ifdef WITH_SMARTCARD switch(channel) { case ECC_CONTACTLESS: // 6 byes + data = INS + CLA + P1 + P2 + Lc + + Le(?IncludeLe) res = ExchangeAPDU14a(apdu, apdu_len, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen); - if (res) { - return res; - } break; case ECC_CONTACT: - //int ExchangeAPDUSC(uint8_t *datain, int datainlen, bool activateCard, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen); -#ifdef WITH_SMARTCARD res = ExchangeAPDUSC(apdu, apdu_len, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen); - if (res) { - return res; - } -#endif break; } +#else + res = ExchangeAPDU14a(apdu, apdu_len, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen); +#endif + + if (res) { + return res; + } if (APDULogging) PrintAndLogEx(SUCCESS, "<<<< %s", sprint_hex(Result, *ResultLen)); @@ -308,13 +327,18 @@ static int EMVExchangeEx(EMVCommandChannel channel, bool ActivateField, bool Lea return 200; } -/* if (Result[*ResultLen-2] == 0x61) { + if (Result[*ResultLen-2] == 0x61) { uint8_t La = Result[*ResultLen-1]; uint8_t get_response[5] = {apdu[0], ISO7816_GET_RESPONSE, 0x00, 0x00, La}; - return EMVExchangeEx(channel, false, LeaveFieldON, get_response, sizeof(get_response), Result, MaxResultLen, ResultLen, sw, tlv); - }*/ + size_t oldlen = *ResultLen; + res = EMVExchangeEx(channel, false, LeaveFieldON, get_response, sizeof(get_response), &Result[oldlen-2], MaxResultLen-oldlen+2, ResultLen, sw, tlv); + *ResultLen += oldlen; + } + + if (res) return res; *ResultLen -= 2; + isw = Result[*ResultLen] * 0x0100 + Result[*ResultLen + 1]; if (sw) *sw = isw; @@ -335,19 +359,18 @@ static int EMVExchangeEx(EMVCommandChannel channel, bool ActivateField, bool Lea return 0; } -int EMVExchange(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *apdu, int apdu_len, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) +static int EMVExchange(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *apdu, int apdu_len, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) { uint8_t APDU[APDU_COMMAND_LEN]; memcpy(APDU, apdu, apdu_len); APDU[apdu_len] = 0x00; if (channel == ECC_CONTACTLESS) { - if (apdu_len == 5 && apdu[4] == 0) { - // there is no Lc but an Le == 0 already + if (apdu_len == 5) { + // there is no Lc but an Le already } else if (apdu_len > 5 && apdu_len == 5 + apdu[4] + 1) { // there is Lc, data and Le } else { - if (apdu[1] != 0xc0) - apdu_len++; // no Le, add Le = 0x00 because some vendors require it for contactless + apdu_len++; // no Le, add Le = 0x00 because some vendors require it for contactless } } return EMVExchangeEx(channel, false, LeaveFieldON, APDU, apdu_len, Result, MaxResultLen, ResultLen, sw, tlv); @@ -539,8 +562,8 @@ int EMVSearchPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldO PrintAndLogEx(WARNING, "%s ERROR: Can't select PPSE AID. Error: %d", PSE_or_PPSE, res); } - if(!LeaveFieldON && channel == ECC_CONTACTLESS) - DropField(); + if (!LeaveFieldON) + DropFieldEx( channel ); return res; } @@ -631,7 +654,7 @@ int EMVSelectApplication(struct tlvdb *tlv, uint8_t *AID, size_t *AIDlen) { int EMVGPO(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *PDOL, size_t PDOLLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) { - uint8_t GPO_APDU[APDU_COMMAND_LEN] = {0x80, 0xa8, 0x00, 0x00, PDOLLen, 0x00}; + uint8_t GPO_APDU[APDU_COMMAND_LEN] = {0x80, ISO7816_GET_PROCESSING_OPTIONS, 0x00, 0x00, PDOLLen, 0x00}; memcpy(GPO_APDU + 5, PDOL, PDOLLen); int apdulen = 5 + PDOLLen; @@ -672,7 +695,7 @@ int EMVGenerateChallenge(EMVCommandChannel channel, bool LeaveFieldON, uint8_t * int EMVInternalAuthenticate(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *DDOL, size_t DDOLLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) { - uint8_t authenticate_APDU[APDU_COMMAND_LEN] = {0x00, ISO7816_INTERNAL_AUTHENTICATION, 0x00, 0x00, DDOLLen, 0x00}; + uint8_t authenticate_APDU[APDU_COMMAND_LEN] = {0x00, ISO7816_INTERNAL_AUTHENTICATE, 0x00, 0x00, DDOLLen, 0x00}; memcpy(authenticate_APDU + 5, DDOL, DDOLLen); int apdulen = 5 + DDOLLen; @@ -696,7 +719,7 @@ struct emv_pk *get_ca_pk(struct tlvdb *db) { if (!df_tlv || !caidx_tlv || df_tlv->len < 6 || caidx_tlv->len != 1) return NULL; - PrintAndLogEx(NORMAL, "CA public key index 0x%0x", caidx_tlv->value[0]); + PrintAndLogEx(NORMAL, "CA Public Key index 0x%0x", caidx_tlv->value[0]); return emv_pk_get_ca_pk(df_tlv->value, caidx_tlv->value[0]); } @@ -1016,7 +1039,7 @@ int trCDA(struct tlvdb *tlv, struct tlvdb *ac_tlv, struct tlv *pdol_data_tlv, st struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlv, sda_tlv); if (!icc_pk) { - PrintAndLogEx(WARNING, "Error: ICC setrificate not found. Exit."); + PrintAndLogEx(WARNING, "Error: ICC certificate not found. Exit."); emv_pk_free(pk); emv_pk_free(issuer_pk); return 2;