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desfire readdata fct, now deals with both INS cases

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iceman1001 2021-05-20 10:15:16 +02:00
commit b9bf84dbf1
1 changed files with 10 additions and 6 deletions
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16
client/src/cmdhfmfdes.c
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@ -1903,16 +1903,18 @@ static int handler_desfire_debit(mfdes_value_t *value, uint8_t cs) {
} }
static int handler_desfire_readdata(mfdes_data_t *data, MFDES_FILE_TYPE_T type, uint8_t cs) { static int handler_desfire_readdata(mfdes_data_t *data, MFDES_FILE_TYPE_T type, uint8_t cs) {
if (data->fileno > 0x1F) return PM3_EINVARG; if (data->fileno > 0x1F) {
sAPDU apdu = {0x90, MFDES_READ_DATA, 0x00, 0x00, 1 + 3 + 3, (uint8_t *)data}; // 0xBD return PM3_EINVARG;
if (type == MFDES_RECORD_FILE) apdu.INS = MFDES_READ_RECORDS; //0xBB }
uint16_t sw = 0; sAPDU apdu = {0x90, MFDES_READ_DATA, 0x00, 0x00, 1 + 3 + 3, (uint8_t *)data}; // 0xBD
uint32_t resplen = 0; if (type == MFDES_RECORD_FILE) {
apdu.INS = MFDES_READ_RECORDS; //0xBB
}
// we need the CMD 0xBD <data> to calc the CMAC // we need the CMD 0xBD <data> to calc the CMAC
uint8_t tmp_data[8]; // Since the APDU is hardcoded to 7 bytes of payload 7+1 = 8 is enough. uint8_t tmp_data[8]; // Since the APDU is hardcoded to 7 bytes of payload 7+1 = 8 is enough.
tmp_data[0] = 0xBD; tmp_data[0] = apdu.INS;
memcpy(&tmp_data[1], data, 7); memcpy(&tmp_data[1], data, 7);
// size_t plen = apdu.Lc; // size_t plen = apdu.Lc;
@ -1926,6 +1928,8 @@ static int handler_desfire_readdata(mfdes_data_t *data, MFDES_FILE_TYPE_T type,
apdu.Lc = 7; apdu.Lc = 7;
apdu.data = (uint8_t *)data; apdu.data = (uint8_t *)data;
uint16_t sw = 0;
uint32_t resplen = 0;
int res = send_desfire_cmd(&apdu, false, data->data, &resplen, &sw, 0, true); int res = send_desfire_cmd(&apdu, false, data->data, &resplen, &sw, 0, true);
if (res != PM3_SUCCESS) { if (res != PM3_SUCCESS) {
PrintAndLogEx(WARNING, _RED_(" Can't read data -> %s"), GetErrorString(res, &sw)); PrintAndLogEx(WARNING, _RED_(" Can't read data -> %s"), GetErrorString(res, &sw));