src/eap_peer/eap_teap_pac.c

45  * @pac: Pointer to the PAC entry
50 void eap_teap_free_pac(struct eap_teap_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_teap_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_teap_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_teap_free_pac(pac);
107 		prev = pac;
108 		pac = pac->next;
142 	struct eap_teap_pac *pac;
152 	pac = os_zalloc(sizeof(*pac));
153 	if (!pac)
156 	pac->pac_type = entry->pac_type;
157 	os_memcpy(pac->pac_key, entry->pac_key, EAP_TEAP_PAC_KEY_LEN);
158 	if (eap_teap_copy_buf(&pac->pac_opaque, &pac->pac_opaque_len,
160 	    eap_teap_copy_buf(&pac->pac_info, &pac->pac_info_len,
162 	    eap_teap_copy_buf(&pac->a_id, &pac->a_id_len,
164 	    eap_teap_copy_buf(&pac->i_id, &pac->i_id_len,
166 	    eap_teap_copy_buf(&pac->a_id_info, &pac->a_id_info_len,
168 		eap_teap_free_pac(pac);
172 	pac->next = *pac_root;
173 	*pac_root = pac;
300 static const char * eap_teap_parse_start(struct eap_teap_pac **pac)
302 	if (*pac)
305 	*pac = os_zalloc(sizeof(struct eap_teap_pac));
306 	if (!(*pac))
308 	(*pac)->pac_type = PAC_TYPE_TUNNEL_PAC;
314 				       struct eap_teap_pac **pac)
316 	if (!(*pac))
323 		end->next = *pac;
325 		*pac_root = *pac;
327 	*pac = NULL;
332 static const char * eap_teap_parse_pac_type(struct eap_teap_pac *pac,
336 		return "Cannot parse pac type";
337 	pac->pac_type = atoi(pos);
338 	if (pac->pac_type != PAC_TYPE_TUNNEL_PAC)
345 static const char * eap_teap_parse_pac_key(struct eap_teap_pac *pac, char *pos)
356 	os_memcpy(pac->pac_key, key, EAP_TEAP_PAC_KEY_LEN);
363 static const char * eap_teap_parse_pac_opaque(struct eap_teap_pac *pac,
366 	os_free(pac->pac_opaque);
367 	pac->pac_opaque = eap_teap_parse_hex(pos, &pac->pac_opaque_len);
368 	if (!pac->pac_opaque)
374 static const char * eap_teap_parse_a_id(struct eap_teap_pac *pac, char *pos)
376 	os_free(pac->a_id);
377 	pac->a_id = eap_teap_parse_hex(pos, &pac->a_id_len);
378 	if (!pac->a_id)
384 static const char * eap_teap_parse_i_id(struct eap_teap_pac *pac, char *pos)
386 	os_free(pac->i_id);
387 	pac->i_id = eap_teap_parse_hex(pos, &pac->i_id_len);
388 	if (!pac->i_id)
394 static const char * eap_teap_parse_a_id_info(struct eap_teap_pac *pac,
397 	os_free(pac->a_id_info);
398 	pac->a_id_info = eap_teap_parse_hex(pos, &pac->a_id_info_len);
399 	if (!pac->a_id_info)
416 	struct eap_teap_pac *pac = NULL;
437 			err = eap_teap_parse_start(&pac);
439 			err = eap_teap_parse_end(pac_root, &pac);
441 		} else if (!pac)
444 			err = eap_teap_parse_pac_type(pac, pos);
446 			err = eap_teap_parse_pac_key(pac, pos);
448 			err = eap_teap_parse_pac_opaque(pac, pos);
450 			err = eap_teap_parse_a_id(pac, pos);
452 			err = eap_teap_parse_i_id(pac, pos);
454 			err = eap_teap_parse_a_id_info(pac, pos);
457 	if (pac) {
460 		eap_teap_free_pac(pac);
579 static int eap_teap_add_pac_data(struct eap_teap_pac *pac, char **buf,
585 			  "START\nPAC-Type=%d\n", pac->pac_type);
591 		       pac->pac_key, EAP_TEAP_PAC_KEY_LEN, 0);
593 		       pac->pac_opaque, pac->pac_opaque_len, 0);
595 		       pac->pac_info, pac->pac_info_len, 0);
597 		       pac->a_id, pac->a_id_len, 0);
599 		       pac->i_id, pac->i_id_len, 1);
601 		       pac->a_id_info, pac->a_id_info_len, 1);
625 	struct eap_teap_pac *pac;
645 	pac = pac_root;
646 	while (pac) {
647 		if (eap_teap_add_pac_data(pac, &buf, &pos, &buf_len)) {
652 		pac = pac->next;
676 	struct eap_teap_pac *pac, *prev;
679 	pac = pac_root;
683 	while (pac) {
687 		prev = pac;
688 		pac = pac->next;
697 	while (pac) {
698 		prev = pac;
699 		pac = pac->next;
708 static void eap_teap_pac_get_a_id(struct eap_teap_pac *pac)
713 	pos = pac->pac_info;
714 	end = pos + pac->pac_info_len;
725 			os_free(pac->a_id);
726 			pac->a_id = os_memdup(pos, len);
727 			if (!pac->a_id)
729 			pac->a_id_len = len;
733 			os_free(pac->a_id_info);
734 			pac->a_id_info = os_memdup(pos, len);
735 			if (!pac->a_id_info)
737 			pac->a_id_info_len = len;
758 	struct eap_teap_pac *pac, *prev;
800 	pac = prev = NULL;
807 			pac = NULL;
811 		pac = os_zalloc(sizeof(*pac));
812 		if (!pac)
815 		pac->pac_type = WPA_GET_BE16(pos);
817 		os_memcpy(pac->pac_key, pos, EAP_TEAP_PAC_KEY_LEN);
823 		pac->pac_opaque_len = val;
824 		pac->pac_opaque = os_memdup(pos, pac->pac_opaque_len);
825 		if (!pac->pac_opaque)
827 		pos += pac->pac_opaque_len;
834 		pac->pac_info_len = val;
835 		pac->pac_info = os_memdup(pos, pac->pac_info_len);
836 		if (!pac->pac_info)
838 		pos += pac->pac_info_len;
839 		eap_teap_pac_get_a_id(pac);
843 			prev->next = pac;
845 			*pac_root = pac;
846 		prev = pac;
862 	if (pac)
863 		eap_teap_free_pac(pac);
879 	struct eap_teap_pac *pac;
883 	pac = pac_root;
884 	while (pac) {
885 		if (pac->pac_opaque_len > 65535 ||
886 		    pac->pac_info_len > 65535)
888 		len += 2 + EAP_TEAP_PAC_KEY_LEN + 2 + pac->pac_opaque_len +
889 			2 + pac->pac_info_len;
890 		pac = pac->next;
903 	pac = pac_root;
904 	while (pac) {
905 		WPA_PUT_BE16(pos, pac->pac_type);
907 		os_memcpy(pos, pac->pac_key, EAP_TEAP_PAC_KEY_LEN);
909 		WPA_PUT_BE16(pos, pac->pac_opaque_len);
911 		os_memcpy(pos, pac->pac_opaque, pac->pac_opaque_len);
912 		pos += pac->pac_opaque_len;
913 		WPA_PUT_BE16(pos, pac->pac_info_len);
915 		os_memcpy(pos, pac->pac_info, pac->pac_info_len);
916 		pos += pac->pac_info_len;
918 		pac = pac->next;