static int pcsc_transmit(sc_reader_t *reader, sc_slot_info_t *slot,
sc_apdu_t *apdu)
{
size_t ssize, rsize, rbuflen = 0;
u8 *sbuf = NULL, *rbuf = NULL;
int r;
/* we always use a at least 258 byte size big return buffer
* to mimic the behaviour of the old implementation (some readers
* seems to require a larger than necessary return buffer).
* The buffer for the returned data needs to be at least 2 bytes
* larger than the expected data length to store SW1 and SW2. */
rsize = rbuflen = apdu->resplen <= 256 ? 258 : apdu->resplen + 2;
rbuf = malloc(rbuflen);
if (rbuf == NULL) {
r = SC_ERROR_MEMORY_FAILURE;
goto out;
}
/* encode and log the APDU */
r = sc_apdu_get_octets(reader->ctx, apdu, &sbuf, &ssize, slot->active_protocol);
if (r != SC_SUCCESS)
goto out;
if (reader->ctx->debug >= 6)
sc_apdu_log(reader->ctx, sbuf, ssize, 1);
r = pcsc_internal_transmit(reader, slot, sbuf, ssize,
rbuf, &rsize, apdu->control);
if (r < 0) {
/* unable to transmit ... most likely a reader problem */
sc_error(reader->ctx, "unable to transmit");
goto out;
}
if (reader->ctx->debug >= 6)
sc_apdu_log(reader->ctx, rbuf, rsize, 0);
/* set response */
r = sc_apdu_set_resp(reader->ctx, apdu, rbuf, rsize);
out:
if (sbuf != NULL) {
sc_mem_clear(sbuf, ssize);
free(sbuf);
}
if (rbuf != NULL) {
sc_mem_clear(rbuf, rbuflen);
free(rbuf);
}
return r;
}
static int openct_reader_transmit(sc_reader_t *reader, sc_slot_info_t *slot,
sc_apdu_t *apdu)
{
size_t ssize, rsize, rbuflen = 0;
u8 *sbuf = NULL, *rbuf = NULL;
int r;
rsize = rbuflen = apdu->resplen + 2;
rbuf = malloc(rbuflen);
if (rbuf == NULL) {
r = SC_ERROR_MEMORY_FAILURE;
goto out;
}
/* encode and log the APDU */
r = sc_apdu_get_octets(reader->ctx, apdu, &sbuf, &ssize, SC_PROTO_RAW);
if (r != SC_SUCCESS)
goto out;
if (reader->ctx->debug >= 6)
sc_apdu_log(reader->ctx, sbuf, ssize, 1);
r = openct_reader_internal_transmit(reader, slot, sbuf, ssize,
rbuf, &rsize, apdu->control);
if (r < 0) {
/* unable to transmit ... most likely a reader problem */
sc_error(reader->ctx, "unable to transmit");
goto out;
}
if (reader->ctx->debug >= 6)
sc_apdu_log(reader->ctx, rbuf, rsize, 0);
/* set response */
r = sc_apdu_set_resp(reader->ctx, apdu, rbuf, rsize);
out:
if (sbuf != NULL) {
sc_mem_clear(sbuf, ssize);
free(sbuf);
}
if (rbuf != NULL) {
sc_mem_clear(rbuf, rbuflen);
free(rbuf);
}
return r;
}
/* bPINOperation */
*((*pc_to_rdr_secure) + sizeof *secure) = CCID_OPERATION_MODIFY;
modify = (abPINDataStucture_Modification_t *)
((*pc_to_rdr_secure) + sizeof *secure + 1);
modify->bTimeOut = bTimeOut;
modify->bmFormatString = bmFormatString;
modify->bmPINBlockString = bmPINBlockString;
modify->bmPINLengthFormat = bmPINLengthFormat;
if (!(data->flags & SC_PIN_CMD_IMPLICIT_CHANGE)
&& data->pin1.offset) {
modify->bInsertionOffsetOld = data->pin1.offset - 5;
} else {
modify->bInsertionOffsetOld = 0;
}
modify->bInsertionOffsetNew = data->pin2.offset ? data->pin2.offset - 5 : 0;
modify->wPINMaxExtraDigit = wPINMaxExtraDigit;
modify->bConfirmPIN = CCID_PIN_CONFIRM_NEW
| (data->flags & SC_PIN_CMD_IMPLICIT_CHANGE ? 0 : CCID_PIN_INSERT_OLD);
modify->bEntryValidationCondition = bEntryValidationCondition;
modify->bNumberMessage = bNumberMessage;
modify->wLangId = wLangId;
modify->bMsgIndex1 = bMsgIndex;
*((*pc_to_rdr_secure) + sizeof *secure + 1 + sizeof *modify + 0) =
bTeoPrologue1;
*((*pc_to_rdr_secure) + sizeof *secure + 1 + sizeof *modify + 1) =
bTeoPrologue1;
*((*pc_to_rdr_secure) + sizeof *secure + 1 + sizeof *modify + 2) =
bTeoPrologue1;
memcpy((*pc_to_rdr_secure) + sizeof *secure + 1 + sizeof *modify + 3,
pinapdu, pinapdu_len);
break;
default:
r = SC_ERROR_INVALID_ARGUMENTS;
goto err;
}
r = SC_SUCCESS;
err:
free(pinapdu);
if (r < 0 && pc_to_rdr_secure && *pc_to_rdr_secure) {
free(*pc_to_rdr_secure);
*pc_to_rdr_secure = NULL;
}
return r;
}
#define CCID_BSTATUS_OK_ACTIVE 0x00 /** No error. An ICC is present and active */
static int boxing_buf_to_verify_result(sc_context_t *ctx,
const unsigned char *rdr_to_pc_datablock,
size_t rdr_to_pc_datablock_len,
sc_apdu_t *apdu)
{
RDR_to_PC_DataBlock_t *datablock =
(RDR_to_PC_DataBlock_t *) rdr_to_pc_datablock;
if (!rdr_to_pc_datablock
|| rdr_to_pc_datablock_len < sizeof *datablock
|| datablock->bMessageType != 0x80)
return SC_ERROR_UNKNOWN_DATA_RECEIVED;
if (datablock->bStatus != CCID_BSTATUS_OK_ACTIVE)
return SC_ERROR_TRANSMIT_FAILED;
return sc_apdu_set_resp(ctx, apdu,
rdr_to_pc_datablock + sizeof *datablock,
htole32(datablock->dwLength));
}
static int ctapi_transmit(sc_reader_t *reader, sc_apdu_t *apdu)
{
size_t ssize, rsize, rbuflen = 0;
u8 *sbuf = NULL, *rbuf = NULL;
int r;
rsize = rbuflen = apdu->resplen + 2;
rbuf = malloc(rbuflen);
if (rbuf == NULL) {
r = SC_ERROR_OUT_OF_MEMORY;
goto out;
}
/* encode and log the APDU */
r = sc_apdu_get_octets(reader->ctx, apdu, &sbuf, &ssize, SC_PROTO_RAW);
if (r != SC_SUCCESS)
goto out;
sc_apdu_log(reader->ctx, SC_LOG_DEBUG_NORMAL, sbuf, ssize, 1);
r = ctapi_internal_transmit(reader, sbuf, ssize,
rbuf, &rsize, apdu->control);
if (r < 0) {
/* unable to transmit ... most likely a reader problem */
sc_debug(reader->ctx, SC_LOG_DEBUG_NORMAL, "unable to transmit");
goto out;
}
sc_apdu_log(reader->ctx, SC_LOG_DEBUG_NORMAL, rbuf, rsize, 0);
/* set response */
r = sc_apdu_set_resp(reader->ctx, apdu, rbuf, rsize);
out:
if (sbuf != NULL) {
sc_mem_clear(sbuf, ssize);
free(sbuf);
}
if (rbuf != NULL) {
sc_mem_clear(rbuf, rbuflen);
free(rbuf);
}
return r;
}
