Esempi in C++ (Cpp) per domain_find_any_rrset

Esempio n. 1

static void
delete_zone_rrs(namedb_type* db, zone_type* zone)
{
	rrset_type *rrset;
	domain_type *domain = zone->apex;
	domain_type *next = NULL;
	zone->updated = 1;
#ifdef NSEC3
#ifndef FULL_PREHASH
	zone_nsec3_domains_destroy(db, zone);
#endif /* !FULL_PREHASH */
#endif /* NSEC3 */

	/* go through entire tree below the zone apex (incl subzones) */
	while(domain && dname_is_subdomain(
		domain_dname(domain), domain_dname(zone->apex)))
	{
		DEBUG(DEBUG_XFRD,2, (LOG_INFO, "delete zone visit %s",
			dname_to_string(domain_dname(domain),0)));
		/* delete all rrsets of the zone */
		while((rrset = domain_find_any_rrset(domain, zone))) {
			(void)rrset_delete(db, domain, rrset);
		}
		next = domain_next(domain);
		domain->nextdiff = next;
		domain = next;
	}
#ifdef NSEC3
#ifndef FULL_PREHASH
	if (0 != zone_nsec3_domains_create(db, zone)) {
		log_msg(LOG_ERR,
			"Zone %s: unable to create zone NSEC3 prehash table",
			dname_to_string(domain_dname(zone->apex),
			NULL));
	}
#endif /* !FULL_PREHASH */
#endif /* NSEC3 */

	DEBUG(DEBUG_XFRD, 1, (LOG_INFO, "axfrdel: recyclebin holds %lu bytes",
		(unsigned long) region_get_recycle_size(db->region)));
#ifndef NDEBUG
	if(nsd_debug_level >= 1)
		region_log_stats(db->region);
#endif

	assert(zone->soa_rrset == 0);
	/* keep zone->soa_nx_rrset alloced */
	assert(zone->ns_rrset == 0);
	assert(zone->is_secure == 0);
	assert(zone->updated == 1);
}

Esempio n. 2

File: axfr.c Progetto: jaredmcneill/netbsd-src

query_state_type
query_axfr(struct nsd *nsd, struct query *query)
{
	domain_type *closest_match;
	domain_type *closest_encloser;
	int exact;
	int added;
	uint16_t total_added = 0;

	if (query->axfr_is_done)
		return QUERY_PROCESSED;

	if (query->maxlen > AXFR_MAX_MESSAGE_LEN)
		query->maxlen = AXFR_MAX_MESSAGE_LEN;

	assert(!query_overflow(query));
	/* only keep running values for most packets */
	query->tsig_prepare_it = 0;
	query->tsig_update_it = 1;
	if(query->tsig_sign_it) {
		/* prepare for next updates */
		query->tsig_prepare_it = 1;
		query->tsig_sign_it = 0;
	}

	if (query->axfr_zone == NULL) {
		domain_type* qdomain;
		/* Start AXFR.  */
		STATUP(nsd, raxfr);
		exact = namedb_lookup(nsd->db,
				      query->qname,
				      &closest_match,
				      &closest_encloser);

		qdomain = closest_encloser;
		query->axfr_zone = domain_find_zone(nsd->db, closest_encloser);

		if (!exact
		    || query->axfr_zone == NULL
		    || query->axfr_zone->apex != qdomain
		    || query->axfr_zone->soa_rrset == NULL)
		{
			/* No SOA no transfer */
			RCODE_SET(query->packet, RCODE_NOTAUTH);
			return QUERY_PROCESSED;
		}
		ZTATUP(nsd, query->axfr_zone, raxfr);

		query->axfr_current_domain = qdomain;
		query->axfr_current_rrset = NULL;
		query->axfr_current_rr = 0;
		if(query->tsig.status == TSIG_OK) {
			query->tsig_sign_it = 1; /* sign first packet in stream */
		}

		query_add_compression_domain(query, qdomain, QHEADERSZ);

		assert(query->axfr_zone->soa_rrset->rr_count == 1);
		added = packet_encode_rr(query,
					 query->axfr_zone->apex,
					 &query->axfr_zone->soa_rrset->rrs[0],
					 query->axfr_zone->soa_rrset->rrs[0].ttl);
		if (!added) {
			/* XXX: This should never happen... generate error code? */
			abort();
		}
		++total_added;
	} else {
		/*
		 * Query name and EDNS need not be repeated after the
		 * first response packet.
		 */
		query->edns.status = EDNS_NOT_PRESENT;
		buffer_set_limit(query->packet, QHEADERSZ);
		QDCOUNT_SET(query->packet, 0);
		query_prepare_response(query);
	}

	/* Add zone RRs until answer is full.  */
	while (query->axfr_current_domain != NULL &&
			domain_is_subdomain(query->axfr_current_domain,
					    query->axfr_zone->apex))
	{
		if (!query->axfr_current_rrset) {
			query->axfr_current_rrset = domain_find_any_rrset(
				query->axfr_current_domain,
				query->axfr_zone);
			query->axfr_current_rr = 0;
		}
		while (query->axfr_current_rrset) {
			if (query->axfr_current_rrset != query->axfr_zone->soa_rrset
			    && query->axfr_current_rrset->zone == query->axfr_zone)
			{
				while (query->axfr_current_rr < query->axfr_current_rrset->rr_count) {
					added = packet_encode_rr(
						query,
						query->axfr_current_domain,
						&query->axfr_current_rrset->rrs[query->axfr_current_rr],
						query->axfr_current_rrset->rrs[query->axfr_current_rr].ttl);
					if (!added)
						goto return_answer;
					++total_added;
					++query->axfr_current_rr;
				}
			}

			query->axfr_current_rrset = query->axfr_current_rrset->next;
			query->axfr_current_rr = 0;
		}
		assert(query->axfr_current_domain);
		query->axfr_current_domain
			= domain_next(query->axfr_current_domain);
	}

	/* Add terminating SOA RR.  */
	assert(query->axfr_zone->soa_rrset->rr_count == 1);
	added = packet_encode_rr(query,
				 query->axfr_zone->apex,
				 &query->axfr_zone->soa_rrset->rrs[0],
				 query->axfr_zone->soa_rrset->rrs[0].ttl);
	if (added) {
		++total_added;
		query->tsig_sign_it = 1; /* sign last packet */
		query->axfr_is_done = 1;
	}

return_answer:
	AA_SET(query->packet);
	ANCOUNT_SET(query->packet, total_added);
	NSCOUNT_SET(query->packet, 0);
	ARCOUNT_SET(query->packet, 0);

	/* check if it needs tsig signatures */
	if(query->tsig.status == TSIG_OK) {
		if(query->tsig.updates_since_last_prepare >= AXFR_TSIG_SIGN_EVERY_NTH) {
			query->tsig_sign_it = 1;
		}
	}
	query_clear_compression_tables(query);
	return QUERY_IN_AXFR;
}