src/eap_peer/eap_fast_pac.c

45  * @pac: Pointer to the PAC entry
50 void eap_fast_free_pac(struct eap_fast_pac *pac)
52 	os_free(pac->pac_opaque);
53 	os_free(pac->pac_info);
54 	os_free(pac->a_id);
55 	os_free(pac->i_id);
56 	os_free(pac->a_id_info);
57 	os_free(pac);
73 	struct eap_fast_pac *pac = pac_root;
75 	while (pac) {
76 		if (pac->pac_type == pac_type && pac->a_id_len == a_id_len &&
77 		    os_memcmp(pac->a_id, a_id, a_id_len) == 0) {
78 			return pac;
80 		pac = pac->next;
90 	struct eap_fast_pac *pac, *prev;
92 	pac = *pac_root;
95 	while (pac) {
96 		if (pac->pac_type == pac_type && pac->a_id_len == a_id_len &&
97 		    os_memcmp(pac->a_id, a_id, a_id_len) == 0) {
99 				*pac_root = pac->next;
101 				prev->next = pac->next;
102 			if (*pac_current == pac)
104 			eap_fast_free_pac(pac);
107 		prev = pac;
108 		pac = pac->next;
142 	struct eap_fast_pac *pac;
152 	pac = os_zalloc(sizeof(*pac));
153 	if (pac == NULL)
156 	pac->pac_type = entry->pac_type;
157 	os_memcpy(pac->pac_key, entry->pac_key, EAP_FAST_PAC_KEY_LEN);
158 	if (eap_fast_copy_buf(&pac->pac_opaque, &pac->pac_opaque_len,
160 	    eap_fast_copy_buf(&pac->pac_info, &pac->pac_info_len,
162 	    eap_fast_copy_buf(&pac->a_id, &pac->a_id_len,
164 	    eap_fast_copy_buf(&pac->i_id, &pac->i_id_len,
166 	    eap_fast_copy_buf(&pac->a_id_info, &pac->a_id_info_len,
168 		eap_fast_free_pac(pac);
172 	pac->next = *pac_root;
173 	*pac_root = pac;
298 static const char * eap_fast_parse_start(struct eap_fast_pac **pac)
300 	if (*pac)
303 	*pac = os_zalloc(sizeof(struct eap_fast_pac));
304 	if (*pac == NULL)
306 	(*pac)->pac_type = PAC_TYPE_TUNNEL_PAC;
312 				       struct eap_fast_pac **pac)
314 	if (*pac == NULL)
320 		end->next = *pac;
322 		*pac_root = *pac;
324 	*pac = NULL;
329 static const char * eap_fast_parse_pac_type(struct eap_fast_pac *pac,
333 		return "Cannot parse pac type";
334 	pac->pac_type = atoi(pos);
335 	if (pac->pac_type != PAC_TYPE_TUNNEL_PAC &&
336 	    pac->pac_type != PAC_TYPE_USER_AUTHORIZATION &&
337 	    pac->pac_type != PAC_TYPE_MACHINE_AUTHENTICATION)
344 static const char * eap_fast_parse_pac_key(struct eap_fast_pac *pac, char *pos)
355 	os_memcpy(pac->pac_key, key, EAP_FAST_PAC_KEY_LEN);
362 static const char * eap_fast_parse_pac_opaque(struct eap_fast_pac *pac,
365 	os_free(pac->pac_opaque);
366 	pac->pac_opaque = eap_fast_parse_hex(pos, &pac->pac_opaque_len);
367 	if (pac->pac_opaque == NULL)
373 static const char * eap_fast_parse_a_id(struct eap_fast_pac *pac, char *pos)
375 	os_free(pac->a_id);
376 	pac->a_id = eap_fast_parse_hex(pos, &pac->a_id_len);
377 	if (pac->a_id == NULL)
383 static const char * eap_fast_parse_i_id(struct eap_fast_pac *pac, char *pos)
385 	os_free(pac->i_id);
386 	pac->i_id = eap_fast_parse_hex(pos, &pac->i_id_len);
387 	if (pac->i_id == NULL)
393 static const char * eap_fast_parse_a_id_info(struct eap_fast_pac *pac,
396 	os_free(pac->a_id_info);
397 	pac->a_id_info = eap_fast_parse_hex(pos, &pac->a_id_info_len);
398 	if (pac->a_id_info == NULL)
415 	struct eap_fast_pac *pac = NULL;
436 			err = eap_fast_parse_start(&pac);
438 			err = eap_fast_parse_end(pac_root, &pac);
440 		} else if (!pac)
443 			err = eap_fast_parse_pac_type(pac, pos);
445 			err = eap_fast_parse_pac_key(pac, pos);
447 			err = eap_fast_parse_pac_opaque(pac, pos);
449 			err = eap_fast_parse_a_id(pac, pos);
451 			err = eap_fast_parse_i_id(pac, pos);
453 			err = eap_fast_parse_a_id_info(pac, pos);
456 	if (pac) {
459 		eap_fast_free_pac(pac);
574 static int eap_fast_add_pac_data(struct eap_fast_pac *pac, char **buf,
580 			  "START\nPAC-Type=%d\n", pac->pac_type);
586 		       pac->pac_key, EAP_FAST_PAC_KEY_LEN, 0);
588 		       pac->pac_opaque, pac->pac_opaque_len, 0);
590 		       pac->pac_info, pac->pac_info_len, 0);
592 		       pac->a_id, pac->a_id_len, 0);
594 		       pac->i_id, pac->i_id_len, 1);
596 		       pac->a_id_info, pac->a_id_info_len, 1);
621 	struct eap_fast_pac *pac;
641 	pac = pac_root;
642 	while (pac) {
643 		if (eap_fast_add_pac_data(pac, &buf, &pos, &buf_len)) {
648 		pac = pac->next;
672 	struct eap_fast_pac *pac, *prev;
675 	pac = pac_root;
679 	while (pac) {
683 		prev = pac;
684 		pac = pac->next;
693 	while (pac) {
694 		prev = pac;
695 		pac = pac->next;
704 static void eap_fast_pac_get_a_id(struct eap_fast_pac *pac)
709 	pos = pac->pac_info;
710 	end = pos + pac->pac_info_len;
721 			os_free(pac->a_id);
722 			pac->a_id = os_memdup(pos, len);
723 			if (pac->a_id == NULL)
725 			pac->a_id_len = len;
729 			os_free(pac->a_id_info);
730 			pac->a_id_info = os_memdup(pos, len);
731 			if (pac->a_id_info == NULL)
733 			pac->a_id_info_len = len;
754 	struct eap_fast_pac *pac, *prev;
796 	pac = prev = NULL;
803 			pac = NULL;
807 		pac = os_zalloc(sizeof(*pac));
808 		if (pac == NULL)
811 		pac->pac_type = WPA_GET_BE16(pos);
813 		os_memcpy(pac->pac_key, pos, EAP_FAST_PAC_KEY_LEN);
819 		pac->pac_opaque_len = val;
820 		pac->pac_opaque = os_memdup(pos, pac->pac_opaque_len);
821 		if (pac->pac_opaque == NULL)
823 		pos += pac->pac_opaque_len;
830 		pac->pac_info_len = val;
831 		pac->pac_info = os_memdup(pos, pac->pac_info_len);
832 		if (pac->pac_info == NULL)
834 		pos += pac->pac_info_len;
835 		eap_fast_pac_get_a_id(pac);
839 			prev->next = pac;
841 			*pac_root = pac;
842 		prev = pac;
858 	if (pac)
859 		eap_fast_free_pac(pac);
875 	struct eap_fast_pac *pac;
879 	pac = pac_root;
880 	while (pac) {
881 		if (pac->pac_opaque_len > 65535 ||
882 		    pac->pac_info_len > 65535)
884 		len += 2 + EAP_FAST_PAC_KEY_LEN + 2 + pac->pac_opaque_len +
885 			2 + pac->pac_info_len;
886 		pac = pac->next;
899 	pac = pac_root;
900 	while (pac) {
901 		WPA_PUT_BE16(pos, pac->pac_type);
903 		os_memcpy(pos, pac->pac_key, EAP_FAST_PAC_KEY_LEN);
905 		WPA_PUT_BE16(pos, pac->pac_opaque_len);
907 		os_memcpy(pos, pac->pac_opaque, pac->pac_opaque_len);
908 		pos += pac->pac_opaque_len;
909 		WPA_PUT_BE16(pos, pac->pac_info_len);
911 		os_memcpy(pos, pac->pac_info, pac->pac_info_len);
912 		pos += pac->pac_info_len;
914 		pac = pac->next;