src/utils/pcsc_funcs.c

30  *   GET RESPONSE: C0 00 00 <len>
31  *   RUN GSM ALG: 88 00 00 00 <RAND len = 10>
32  *   RUN UMTS ALG: 88 00 81 <len=0x22> data: 0x10 | RAND | 0x10 | AUTN
35  *   READ BINARY: B0 <offset high> <offset low> <len>
36  *   READ RECORD: B2 <record number> <mode> <len>
254 			     unsigned char *data, size_t len,
285 		unsigned char type, len;
288 		len = pos[1];
289 		wpa_printf(MSG_MSGDUMP, "SCARD: file header TLV 0x%02x len=%d",
290 			   type, len);
293 		if (len > (unsigned int) (end - pos))
299 				    pos, len);
303 				    pos, len);
307 				    pos, len);
311 				    "information TLV", pos, len);
315 				    "Integer TLV", pos, len);
319 				    pos, len);
320 			if ((len == 1 || len == 2) && file_len) {
321 				if (len == 1)
331 				    pos, len);
335 				    "DO TLV", pos, len);
336 			if (len >= 2 && pos[0] == USIM_PS_DO_TAG &&
345 				    "Identifier (SFI) TLV", pos, len);
351 				    "TLV", pos, len);
355 				    pos, len);
359 		pos += len;
448 				   "template (len=%d rlen=%d)",
507 	unsigned long len, pos;
534 	ret = SCardListReaders(scard->ctx, NULL, NULL, &len);
542 	len *= 2;
544 	readers = os_malloc(len);
550 	ret = SCardListReaders(scard->ctx, NULL, readers, &len);
556 	if (len < 3) {
561 	wpa_hexdump_ascii(MSG_DEBUG, "SCARD: Readers", (u8 *) readers, len);
570 	while (pos < len) {
574 		while (pos < len && readers[pos])
577 		if (pos < len && readers[pos] == '\0')
578 			pos = len; /* double null terminates list */
581 	if (pos >= len) {
799 	size_t len, rlen;
814 		cmd[4] = aidlen; /* len */
822 	len = sizeof(resp);
823 	ret = scard_transmit(scard, cmd, cmdlen, resp, &len);
830 	if (len != 2) {
831 		wpa_printf(MSG_WARNING, "SCARD: unexpected resp len "
832 			   "%d (expected 2)", (int) len);
882 	unsigned char cmd[5] = { SIM_CMD_READ_RECORD /* , len */ };
914 			     unsigned char *data, size_t len,
917 	unsigned char cmd[5] = { SIM_CMD_READ_RECORD /* , len */ };
918 	size_t blen = len + 3;
926 	cmd[4] = len;
937 	if (blen != len + 2) {
940 			   (long) blen, (long) len + 2);
945 	if (buf[len] != 0x90 || buf[len + 1] != 0x00) {
948 			   buf[len], buf[len + 1]);
953 	os_memcpy(data, buf, len);
961 			   unsigned char *data, size_t len)
963 	unsigned char cmd[5] = { SIM_CMD_READ_BIN /* , len */ };
964 	size_t blen = len + 3;
968 	cmd[4] = len;
981 	if (blen != len + 2) {
984 			   (long) blen, (long) len + 2);
989 	if (buf[len] != 0x90 || buf[len + 1] != 0x00) {
992 			   buf[len], buf[len + 1]);
997 	os_memcpy(data, buf, len);
1009 	size_t len;
1021 	len = sizeof(resp);
1022 	ret = scard_transmit(scard, cmd, sizeof(cmd), resp, &len);
1026 	if (len != 2 || resp[0] != 0x90 || resp[1] != 0x00) {
1041 	size_t len;
1050 	len = sizeof(resp);
1051 	ret = scard_transmit(scard, cmd, sizeof(cmd), resp, &len);
1055 	if (len != 2) {
1080  * @len: Length of imsi buffer; set to IMSI length on success
1083  * (USIM only), -4 if IMSI does not fit in the provided imsi buffer (len is set
1090 int scard_get_imsi(struct scard_data *scard, char *imsi, size_t *len)
1102 			   "header (len=%ld)", (long) blen);
1123 	if (blen < 2 || imsilen > *len) {
1124 		*len = imsilen;
1148 	*len = imsilen;
1170 	wpa_printf(MSG_DEBUG, "SCARD: reading MNC len from (GSM) EF-AD");
1176 			   "header (len=%ld)", (long) blen);
1231 	size_t len;
1250 	len = sizeof(resp);
1251 	ret = scard_transmit(scard, cmd, cmdlen, resp, &len);
1256 	     (len != 2 || resp[0] != 0x9f || resp[1] != 0x0c)) ||
1258 	     (len != 2 || resp[0] != 0x61 || resp[1] != 0x0e))) {
1260 			   "auth request (len=%ld resp=%02x %02x)",
1261 			   (long) len, resp[0], resp[1]);
1266 	len = sizeof(buf);
1267 	ret = scard_transmit(scard, get_resp, sizeof(get_resp), buf, &len);
1272 		if (len != 4 + 8 + 2) {
1274 				   "length for GSM auth (len=%ld, expected 14)",
1275 				   (long) len);
1281 		if (len != 1 + 4 + 1 + 8 + 2) {
1283 				   "length for USIM auth (len=%ld, "
1284 				   "expected 16)", (long) len);
1332 	size_t len;
1351 	len = sizeof(resp);
1352 	ret = scard_transmit(scard, cmd, sizeof(cmd), resp, &len);
1356 	if (len <= sizeof(resp))
1357 		wpa_hexdump(MSG_DEBUG, "SCARD: UMTS alg response", resp, len);
1359 	if (len == 2 && resp[0] == 0x98 && resp[1] == 0x62) {
1363 	} else if (len != 2 || resp[0] != 0x61) {
1365 			   "auth request (len=%ld resp=%02x %02x)",
1366 			   (long) len, resp[0], resp[1]);
1371 	len = sizeof(buf);
1372 	ret = scard_transmit(scard, get_resp, sizeof(get_resp), buf, &len);
1373 	if (ret != SCARD_S_SUCCESS || len > sizeof(buf))
1376 	wpa_hexdump(MSG_DEBUG, "SCARD: UMTS get response result", buf, len);
1377 	if (len >= 2 + AKA_AUTS_LEN && buf[0] == 0xdc &&
1383 	} else if (len >= 6 + IK_LEN + CK_LEN && buf[0] == 0xdb) {
1385 		end = buf + len;