739 		     struct dns_msg_t *dns_msg,  in dns_validate_msg()  argument
757 	if (dns_msg->msg_size < (sizeof(*dns_id) + sizeof(uint16_t))) {  in dns_validate_msg()
768 	*dns_id = dns_unpack_header_id(dns_msg->msg);  in dns_validate_msg()
770 	if (dns_header_rcode(dns_msg->msg) == DNS_HEADER_REFUSED) {  in dns_validate_msg()
778 	if (dns_header_qr(dns_msg->msg) == DNS_QUERY) {  in dns_validate_msg()
783 	ret = dns_unpack_response_header(dns_msg, *dns_id);  in dns_validate_msg()
789 	if (dns_header_qdcount(dns_msg->msg) != 1) {  in dns_validate_msg()
797 	ret = dns_unpack_response_query(dns_msg);  in dns_validate_msg()
813 		dns_msg->answer_offset = dns_msg->query_offset;  in dns_validate_msg()
827 	while (server_idx < dns_header_ancount(dns_msg->msg)) {  in dns_validate_msg()
828 		ret = dns_unpack_answer(dns_msg, answer_ptr, &ttl,  in dns_validate_msg()
835 		switch (dns_msg->response_type) {  in dns_validate_msg()
841 			query_name = dns_msg->msg + dns_msg->query_offset;  in dns_validate_msg()
903 			if (dns_msg->response_length < address_size) {  in dns_validate_msg()
909 			if ((dns_msg->response_position + address_size) >  in dns_validate_msg()
910 			    dns_msg->msg_size) {  in dns_validate_msg()
916 			src = dns_msg->msg + dns_msg->response_position;  in dns_validate_msg()
932 			answer_ptr = dns_msg->response_position;  in dns_validate_msg()
941 		dns_msg->answer_offset += dns_msg->response_position -  in dns_validate_msg()
942 							dns_msg->answer_offset;  in dns_validate_msg()
943 		dns_msg->answer_offset += dns_msg->response_length;  in dns_validate_msg()
952 		query_name = dns_msg->msg + dns_msg->query_offset;  in dns_validate_msg()
967 		if (dns_msg->response_type == DNS_RESPONSE_CNAME_NO_IP) {  in dns_validate_msg()
968 			uint16_t pos = dns_msg->response_position;  in dns_validate_msg()
978 						     dns_msg, pos);  in dns_validate_msg()
1008 	struct dns_msg_t dns_msg;  in dns_read()  local
1015 	dns_msg.msg = dns_data->data;  in dns_read()
1016 	dns_msg.msg_size = data_len;  in dns_read()
1018 	ret = dns_validate_msg(ctx, &dns_msg, dns_id, &query_idx,  in dns_read()