unbound/services/rpz.c

47 #include "util/data/dname.h"
50 #include "util/data/dname.h"
62 	uint8_t* dname;
116  * @param dname: dname to work on
117  * @param maxdnamelen: maximum length of the dname
118  * @return: pointer to TLD label, NULL if not found or invalid dname
121 get_tld_label(uint8_t* dname, size_t maxdnamelen)
123 	uint8_t* prevlab = dname;
131 	if(*dname == 0)
134 	while(*dname) {
135 		dnamelen += ((size_t)*dname)+1;
138 		dname = dname+((size_t)*dname)+1;
139 		if(*dname != 0)
140 			prevlab = dname;
300  * Get RPZ trigger for dname
301  * @param dname: dname containing RPZ trigger
302  * @param dname_len: length of the dname
306 rpz_dname_to_trigger(uint8_t* dname, size_t dname_len)
311 	if(dname_valid(dname, dname_len) != dname_len)
314 	tldlab = get_tld_label(dname, dname_len);
435 /** new rrset containing CNAME override, does not yet contain a dname */
628  * Remove RPZ zone name from dname
629  * Copy dname to newdname, without the originlen number of trailing bytes
632 strip_dname_origin(uint8_t* dname, size_t dnamelen, size_t originlen,
641 	memmove(newdname, dname, newdnamelen);
647 rpz_insert_local_zones_trigger(struct local_zones* lz, uint8_t* dname,
653 	int dnamelabs = dname_count_labels(dname);
666 			free(dname);
669 		dname_str(dname, str);
672 		free(dname);
678 	z = local_zones_find(lz, dname, dnamelen, dnamelabs, LDNS_RR_CLASS_IN);
683 			free(dname);
691 		free(dname);
697 		z = local_zones_add_zone(lz, dname, dnamelen,
702 			/* dname will be free'd in failed local_zone_create() */
711 			free(dname);
716 		local_zone_enter_rr(z, dname, dnamelen, dnamelabs, rrtype,
722 		free(dname);
728 rpz_log_dname(char const* msg, uint8_t* dname, size_t dname_len)
732 	dname_str(dname, buf);
737 rpz_insert_qname_trigger(struct rpz* r, uint8_t* dname, size_t dnamelen,
743 		free(dname);
747 	rpz_insert_local_zones_trigger(r->local_zones, dname, dnamelen, a, rrtype,
752 rpz_strip_nsdname_suffix(uint8_t* dname, size_t maxdnamelen,
755 	uint8_t* tldstart = get_tld_label(dname, maxdnamelen);
758 		if(dname == NULL) {
763 		*stripdname = memdup(dname, maxdnamelen);
776 	(void)dname_count_size_labels(dname, stripdnamelen);
777 	*stripdname = memdup(dname, *stripdnamelen);
788 rpz_insert_nsdname_trigger(struct rpz* r, uint8_t* dname, size_t dnamelen,
795 	rpz_strip_nsdname_suffix(dname, dnamelen, &dname_stripped,
892 /* from localzone.c; difference is we don't have a dname */
923 	rrset->rrset->rk.dname = regional_alloc_zero(region, 1);
924 	if(rrset->rrset->rk.dname == NULL) {
989 rpz_insert_clientip_trigger(struct rpz* r, uint8_t* dname, size_t dnamelen,
1001 	if(!netblockdnametoaddr(dname, dnamelen, &addr, &addrlen, &net, &af)) {
1011 rpz_insert_nsip_trigger(struct rpz* r, uint8_t* dname, size_t dnamelen,
1023 	if(!netblockdnametoaddr(dname, dnamelen, &addr, &addrlen, &net, &af)) {
1034 rpz_insert_response_ip_trigger(struct rpz* r, uint8_t* dname, size_t dnamelen,
1046 	if(!netblockdnametoaddr(dname, dnamelen, &addr, &addrlen, &net, &af)) {
1054 		dname_str(dname, str);
1065 rpz_insert_rr(struct rpz* r, uint8_t* azname, size_t aznamelen, uint8_t* dname,
1079 	if(!dname_subdomain_c(dname, azname)) {
1080 		char* dname_str = sldns_wire2str_dname(dname, dnamelen);
1102 	if(!(policydnamelen = strip_dname_origin(dname, dnamelen, aznamelen,
1267  * @param policydname: dname of RR to remove
1348 rpz_remove_local_zones_trigger(struct local_zones* zones, uint8_t* dname,
1354 	z = rpz_find_zone(zones, dname, dnamelen, rr_class,
1362 		delete_zone = rpz_data_delete_rr(z, dname,
1378 rpz_remove_qname_trigger(struct rpz* r, uint8_t* dname, size_t dnamelen,
1382 	rpz_remove_local_zones_trigger(r->local_zones, dname, dnamelen,
1387 rpz_remove_response_ip_trigger(struct rpz* r, uint8_t* dname, size_t dnamelen,
1396 	if(!netblockdnametoaddr(dname, dnamelen, &addr, &addrlen, &net, &af))
1506 rpz_remove_clientip_trigger(struct rpz* r, uint8_t* dname, size_t dnamelen,
1514 	if(!netblockdnametoaddr(dname, dnamelen, &addr, &addrlen, &net, &af))
1522 rpz_remove_nsip_trigger(struct rpz* r, uint8_t* dname, size_t dnamelen,
1530 	if(!netblockdnametoaddr(dname, dnamelen, &addr, &addrlen, &net, &af))
1538 rpz_remove_nsdname_trigger(struct rpz* r, uint8_t* dname, size_t dnamelen,
1546 	if(!rpz_strip_nsdname_suffix(dname, dnamelen, &dname_stripped,
1555 rpz_remove_rr(struct rpz* r, uint8_t* azname, size_t aznamelen, uint8_t* dname,
1568 	if(!dname_subdomain_c(dname, azname)) {
1581 	if(!(policydnamelen = strip_dname_origin(dname, dnamelen, aznamelen,
1616  * The dname is used, for the applied rpz, if NULL, addrnode is used.
1619 log_rpz_apply(char* trigger, uint8_t* dname, struct addr_tree_node* addrnode,
1626 	if(dname) {
1627 		dname_str(dname, dnamestr);
1821 	csoa.rk.dname = auth_zone->name;
1863 	rp->rk.dname = qinfo->qname;
1900 	qinfo->local_alias->rrset->rk.dname = qinfo->qname;
2038 	rp->rk.dname = qi->qname;
2099 	if(match->dname == NULL) { return NULL; }
2102 	key.name = match->dname;
2104 	key.namelabs = dname_count_labels(match->dname);
2184 	rp->rk.dname = qinfo->qname;
2375 		log_rpz_apply("nsdname", match->dname, NULL,
2400 			match->dname = nameserver->name;
2404 				dname_str(match->dname, nm);