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pse/ppse works

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This commit is contained in:
merlokk 2019-01-03 20:07:08 +02:00
parent 00d4393af4
commit b5c2ccb78f
1 changed files with 43 additions and 34 deletions
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77
client/emv/emvcore.c
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@ -359,6 +359,38 @@ int EMVSelectWithRetry(EMVCommandChannel channel, bool ActivateField, bool Leave
return res; return res;
} }
int EMVCheckAID(EMVCommandChannel channel, bool decodeTLV, struct tlvdb *tlvdbelm, struct tlvdb *tlv){
uint8_t data[APDU_RES_LEN] = {0};
size_t datalen = 0;
int res = 0;
uint16_t sw = 0;
while (tlvdbelm) {
const struct tlv *tgAID = tlvdb_get_inchild(tlvdbelm, 0x4f, NULL);
if (tgAID) {
res = EMVSelectWithRetry(channel, false, true, (uint8_t *)tgAID->value, tgAID->len, data, sizeof(data), &datalen, &sw, tlv);
// if returned sw error
if (res == 5) {
// next element
tlvdbelm = tlvdb_find_next(tlvdbelm, 0x61);
continue;
}
if (res)
break;
// all is ok
if (decodeTLV){
PrintAndLogEx(NORMAL, "%s:", sprint_hex_inrow(tgAID->value, tgAID->len));
TLVPrintFromBuffer(data, datalen);
}
}
tlvdbelm = tlvdb_find_next(tlvdbelm, 0x61);
}
return res;
}
int EMVSearchPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t PSENum, bool decodeTLV, struct tlvdb *tlv) { int EMVSearchPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t PSENum, bool decodeTLV, struct tlvdb *tlv) {
uint8_t data[APDU_RES_LEN] = {0}; uint8_t data[APDU_RES_LEN] = {0};
size_t datalen = 0; size_t datalen = 0;
@ -366,6 +398,7 @@ int EMVSearchPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldO
size_t sfidatalen[0x11] = {0}; size_t sfidatalen[0x11] = {0};
uint16_t sw = 0; uint16_t sw = 0;
int res; int res;
bool fileFound = false;
// select PPSE // select PPSE
res = EMVSelectPSE(channel, ActivateField, true, PSENum, data, sizeof(data), &datalen, &sw); res = EMVSelectPSE(channel, ActivateField, true, PSENum, data, sizeof(data), &datalen, &sw);
@ -379,6 +412,7 @@ int EMVSearchPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldO
struct tlvdb *t = NULL; struct tlvdb *t = NULL;
t = tlvdb_parse_multi(data, datalen); t = tlvdb_parse_multi(data, datalen);
if (t) { if (t) {
// PSE/PPSE with SFI
struct tlvdb *tsfi = tlvdb_find_path(t, (tlv_tag_t[]){0x6f, 0xa5, 0x88, 0x00}); struct tlvdb *tsfi = tlvdb_find_path(t, (tlv_tag_t[]){0x6f, 0xa5, 0x88, 0x00});
if (tsfi) { if (tsfi) {
uint8_t sfin = 0; uint8_t sfin = 0;
@ -418,50 +452,25 @@ int EMVSearchPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldO
PrintAndLogEx(FAILED, "SFI 0x%02d don't have records.", sfidatalen[ui]); PrintAndLogEx(FAILED, "SFI 0x%02d don't have records.", sfidatalen[ui]);
continue; continue;
} }
res = EMVCheckAID(channel, decodeTLV, tsfitmp, tlv);
// todo: check fileFound = true;
PrintAndLogEx(INFO, "OK SFI 0x%02d.", sfidatalen[ui]);
} }
tlvdb_free(tsfi); tlvdb_free(tsfi);
} }
} }
} }
// PSE/PPSE plain (wo SFI)
struct tlvdb *ttmp = tlvdb_find_path(t, (tlv_tag_t[]){0x6f, 0xa5, 0xbf0c, 0x61, 0x00}); struct tlvdb *ttmp = tlvdb_find_path(t, (tlv_tag_t[]){0x6f, 0xa5, 0xbf0c, 0x61, 0x00});
if (!ttmp) if (ttmp) {
res = EMVCheckAID(channel, decodeTLV, ttmp, tlv);
fileFound = true;
}
if (!fileFound)
PrintAndLogEx(FAILED, "PPSE don't have records."); PrintAndLogEx(FAILED, "PPSE don't have records.");
while (ttmp) {
const struct tlv *tgAID = tlvdb_get_inchild(ttmp, 0x4f, NULL);
if (tgAID) {
res = EMVSelectWithRetry(channel, false, true, (uint8_t *)tgAID->value, tgAID->len, data, sizeof(data), &datalen, &sw, tlv);
// if returned sw error
if (res == 5) {
// next element
ttmp = tlvdb_find_next(ttmp, 0x61);
continue;
}
if (res)
break;
// all is ok
if (decodeTLV){
PrintAndLogEx(NORMAL, "%s:", sprint_hex_inrow(tgAID->value, tgAID->len));
TLVPrintFromBuffer(data, datalen);
}
}
ttmp = tlvdb_find_next(ttmp, 0x61);
}
tlvdb_free(t); tlvdb_free(t);
} else { } else {
PrintAndLogEx(WARNING, "PPSE ERROR: Can't get TLV from response."); PrintAndLogEx(WARNING, "PPSE ERROR: Can't get TLV from response.");