diff options
Diffstat (limited to 'services/localzone.c')
| -rw-r--r-- | services/localzone.c | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/services/localzone.c b/services/localzone.c index 54f55ab810e4..77d0107f9f6f 100644 --- a/services/localzone.c +++ b/services/localzone.c @@ -465,7 +465,7 @@ lz_find_create_node(struct local_zone* z, uint8_t* nm, size_t nmlen, /* Mark the SOA record for the zone. This only marks the SOA rrset; the data * for the RR is entered later on local_zone_enter_rr() as with the other - * records. An artifical soa_negative record with a modified TTL (minimum of + * records. An artificial soa_negative record with a modified TTL (minimum of * the TTL and the SOA.MINIMUM) is also created and marked for usage with * negative answers and to avoid allocations during those answers. */ static int @@ -898,6 +898,11 @@ int local_zone_enter_defaults(struct local_zones* zones, struct config_file* cfg } lock_rw_unlock(&z->lock); } + /* home.arpa. zone (RFC 8375) */ + if(!add_empty_default(zones, cfg, "home.arpa.")) { + log_err("out of memory adding default zone"); + return 0; + } /* onion. zone (RFC 7686) */ if(!add_empty_default(zones, cfg, "onion.")) { log_err("out of memory adding default zone"); @@ -1294,7 +1299,7 @@ local_error_encode(struct query_info* qinfo, struct module_env* env, if(!inplace_cb_reply_local_call(env, qinfo, NULL, NULL, rcode, edns, repinfo, temp, env->now_tv)) - edns->opt_list = NULL; + edns->opt_list_inplace_cb_out = NULL; error_encode(buf, r, qinfo, *(uint16_t*)sldns_buffer_begin(buf), sldns_buffer_read_u16_at(buf, 2), edns); } @@ -1521,7 +1526,7 @@ local_data_answer(struct local_zone* z, struct module_env* env, /* write qname */ memmove(d->rr_data[0] + sizeof(uint16_t), qinfo->qname, qinfo->qname_len - 1); - /* write cname target wilcard wildcard label */ + /* write cname target wildcard label */ memmove(d->rr_data[0] + sizeof(uint16_t) + qinfo->qname_len - 1, ctarget + 2, ctargetlen - 2); @@ -1570,6 +1575,15 @@ local_zone_does_not_cover(struct local_zone* z, struct query_info* qinfo, return (lr == NULL); } +static inline int +local_zone_is_udp_query(struct comm_reply* repinfo) { + return repinfo != NULL + ? (repinfo->c != NULL + ? repinfo->c->type == comm_udp + : 0) + : 0; +} + int local_zones_zone_answer(struct local_zone* z, struct module_env* env, struct query_info* qinfo, struct edns_data* edns, @@ -1592,7 +1606,9 @@ local_zones_zone_answer(struct local_zone* z, struct module_env* env, lz_type == local_zone_redirect || lz_type == local_zone_inform_redirect || lz_type == local_zone_always_nxdomain || - lz_type == local_zone_always_nodata) { + lz_type == local_zone_always_nodata || + (lz_type == local_zone_truncate + && local_zone_is_udp_query(repinfo))) { /* for static, reply nodata or nxdomain * for redirect, reply nodata */ /* no additional section processing, @@ -1602,9 +1618,11 @@ local_zones_zone_answer(struct local_zone* z, struct module_env* env, */ int rcode = (ld || lz_type == local_zone_redirect || lz_type == local_zone_inform_redirect || - lz_type == local_zone_always_nodata)? + lz_type == local_zone_always_nodata || + lz_type == local_zone_truncate)? LDNS_RCODE_NOERROR:LDNS_RCODE_NXDOMAIN; - if(z->soa && z->soa_negative) + rcode = (lz_type == local_zone_truncate ? (rcode|BIT_TC) : rcode); + if(z != NULL && z->soa && z->soa_negative) return local_encode(qinfo, env, edns, repinfo, buf, temp, z->soa_negative, 0, rcode); local_error_encode(qinfo, env, edns, repinfo, buf, temp, rcode, @@ -1661,7 +1679,7 @@ local_zones_zone_answer(struct local_zone* z, struct module_env* env, * does not, then we should make this noerror/nodata */ if(ld && ld->rrsets) { int rcode = LDNS_RCODE_NOERROR; - if(z->soa && z->soa_negative) + if(z != NULL && z->soa && z->soa_negative) return local_encode(qinfo, env, edns, repinfo, buf, temp, z->soa_negative, 0, rcode); local_error_encode(qinfo, env, edns, repinfo, buf, temp, rcode, @@ -1860,6 +1878,7 @@ const char* local_zone_type2str(enum localzone_type t) case local_zone_always_deny: return "always_deny"; case local_zone_always_null: return "always_null"; case local_zone_noview: return "noview"; + case local_zone_truncate: return "truncate"; case local_zone_invalid: return "invalid"; } return "badtyped"; @@ -1899,6 +1918,8 @@ int local_zone_str2type(const char* type, enum localzone_type* t) *t = local_zone_always_null; else if(strcmp(type, "noview") == 0) *t = local_zone_noview; + else if(strcmp(type, "truncate") == 0) + *t = local_zone_truncate; else if(strcmp(type, "nodefault") == 0) *t = local_zone_nodefault; else return 0; |