Cross Reference: /src/external/bsd/unbound/dist/edns-subnet/subnetmod.c

Lines Matching refs:ecs
90 /** new query for ecs module */
105 /** Add ecs struct to edns list, after parsing it to wire format. */
107 subnet_ecs_opt_list_append(struct ecs_data* ecs, struct edns_option** list,
113 	if(ecs->subnet_validdata) {
114 		log_assert(ecs->subnet_addr_fam == EDNSSUBNET_ADDRFAM_IP4 || 
115 			ecs->subnet_addr_fam == EDNSSUBNET_ADDRFAM_IP6);
116 		log_assert(ecs->subnet_addr_fam != EDNSSUBNET_ADDRFAM_IP4 || 
117 			ecs->subnet_source_mask <=  INET_SIZE*8);
118 		log_assert(ecs->subnet_addr_fam != EDNSSUBNET_ADDRFAM_IP6 || 
119 			ecs->subnet_source_mask <= INET6_SIZE*8);
121 		sn_octs = ecs->subnet_source_mask / 8;
123 			(size_t)((ecs->subnet_source_mask % 8)>0?1:0);
128 		sldns_buffer_write_u16(buf, ecs->subnet_addr_fam);
129 		sldns_buffer_write_u8(buf, ecs->subnet_source_mask);
130 		sldns_buffer_write_u8(buf, ecs->subnet_scope_mask);
131 		sldns_buffer_write(buf, ecs->subnet_addr, sn_octs);
133 			sldns_buffer_write_u8(buf, ecs->subnet_addr[sn_octs] & 
134 				~(0xFF >> (ecs->subnet_source_mask % 8)));
185 		/* Address on whitelist or client query contains ECS option, we
186 		 * want to sent out ECS. Only add option if it is not already
204 		/* Outgoing ECS option is set, but we don't want to sent it to
263 		log_err("subnetcache: could not create ECS whitelist");
387 	 * allowed to look in the ECS cache */
475 	struct ecs_data *ecs = &sq->ecs_client_in;
489 	tree = (ecs->subnet_addr_fam == EDNSSUBNET_ADDRFAM_IP4)?
495 	node = addrtree_find(tree, (addrkey_t*)ecs->subnet_addr, 
496 		ecs->subnet_source_mask, *env->now);
514 		sq->ecs_client_out.subnet_addr_fam = ecs->subnet_addr_fam;
515 		sq->ecs_client_out.subnet_source_mask = ecs->subnet_source_mask;
516 		memcpy(&sq->ecs_client_out.subnet_addr, &ecs->subnet_addr,
697 	 * because expired answers would otherwise resurface once the ecs data
698 	 * expires, giving once in a while global data responses for ecs
735 /** Parse EDNS opt data containing ECS */
737 parse_subnet_option(struct edns_option* ecs_option, struct ecs_data* ecs)
739 	memset(ecs, 0, sizeof(*ecs));
743 	ecs->subnet_addr_fam = sldns_read_uint16(ecs_option->opt_data);
744 	ecs->subnet_source_mask = ecs_option->opt_data[2];
745 	ecs->subnet_scope_mask = ecs_option->opt_data[3];
750 	if (ecs_option->opt_len != (size_t)((ecs->subnet_source_mask+7)/8 + 4))
754 	if (ecs->subnet_addr_fam == EDNSSUBNET_ADDRFAM_IP4) {
755 		if (ecs->subnet_source_mask > 32 || ecs->subnet_scope_mask > 32)
757 	} else if (ecs->subnet_addr_fam == EDNSSUBNET_ADDRFAM_IP6) {
758 		if (ecs->subnet_source_mask > 128 ||
759 			ecs->subnet_scope_mask > 128)
764 	/* valid ECS data, write to ecs_data */
765 	if (copy_clear(ecs->subnet_addr, INET6_SIZE, ecs_option->opt_data + 4, 
766 		ecs_option->opt_len - 4, ecs->subnet_source_mask))
768 	ecs->subnet_validdata = 1;
773 subnet_option_from_ss(struct sockaddr_storage *ss, struct ecs_data* ecs,
780 		ecs->subnet_source_mask = cfg->max_client_subnet_ipv4;
781 		ecs->subnet_addr_fam = EDNSSUBNET_ADDRFAM_IP4;
783 		if (!copy_clear( ecs->subnet_addr, INET6_SIZE,
785 			ecs->subnet_source_mask)) {
786 			ecs->subnet_validdata = 1;
791 		ecs->subnet_source_mask = cfg->max_client_subnet_ipv6;
792 		ecs->subnet_addr_fam = EDNSSUBNET_ADDRFAM_IP6;
794 		if (!copy_clear( ecs->subnet_addr, INET6_SIZE,
796 			ecs->subnet_source_mask)) {
797 			ecs->subnet_validdata = 1;
816 		/* REFUSED response to ECS query, remove ECS option. */
831 			 * longest received ECS prefix for all queries on this
872 			/* Only skip global cache store if we sent an ECS option
876 			 * does not support ECS). */
948 				/* Wrongly formatted ECS option. RFC mandates to
1054 			/* ECS specific data required, do not look at the global
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