Upgrade unbound library

These files were pulled from the 1.6.3 release tarball.

This new version builds against OpenSSL version 1.1 which will be
the default in the new Debian Stable which is due to be released
RealSoonNow (tm).

1 files changed, 20 insertions, 8 deletions

diff --git a/external/unbound/services/cache/dns.c b/external/unbound/services/cache/dns.c
index e14e636db..a8fde9f28 100644
--- a/external/unbound/services/cache/dns.c
+++ b/external/unbound/services/cache/dns.c
@@ -106,7 +106,7 @@ store_rrsets(struct module_env* env, struct reply_info* rep, time_t now,
 
 void 
 dns_cache_store_msg(struct module_env* env, struct query_info* qinfo,
-	hashvalue_t hash, struct reply_info* rep, time_t leeway, int pside,
+	hashvalue_type hash, struct reply_info* rep, time_t leeway, int pside,
 	struct reply_info* qrep, struct regional* region)
 {
 	struct msgreply_entry* e;
@@ -188,12 +188,13 @@ msg_cache_lookup(struct module_env* env, uint8_t* qname, size_t qnamelen,
 {
 	struct lruhash_entry* e;
 	struct query_info k;
-	hashvalue_t h;
+	hashvalue_type h;
 
 	k.qname = qname;
 	k.qname_len = qnamelen;
 	k.qtype = qtype;
 	k.qclass = qclass;
+	k.local_alias = NULL;
 	h = query_info_hash(&k, flags);
 	e = slabhash_lookup(env->msg_cache, h, &k, wr);
 
@@ -361,6 +362,7 @@ dns_msg_create(uint8_t* qname, size_t qnamelen, uint16_t qtype,
 	msg->qinfo.qname_len = qnamelen;
 	msg->qinfo.qtype = qtype;
 	msg->qinfo.qclass = qclass;
+	msg->qinfo.local_alias = NULL;
 	/* non-packed reply_info, because it needs to grow the array */
 	msg->rep = (struct reply_info*)regional_alloc_zero(region, 
 		sizeof(struct reply_info)-sizeof(struct rrset_ref));
@@ -477,8 +479,7 @@ gen_dns_msg(struct regional* region, struct query_info* q, size_t num)
 	return msg;
 }
 
-/** generate dns_msg from cached message */
-static struct dns_msg*
+struct dns_msg*
 tomsg(struct module_env* env, struct query_info* q, struct reply_info* r, 
 	struct regional* region, time_t now, struct regional* scratch)
 {
@@ -523,8 +524,11 @@ tomsg(struct module_env* env, struct query_info* q, struct reply_info* r,
 			return NULL;
 		}
 	}
-	rrset_array_unlock_touch(env->rrset_cache, scratch, r->ref, 
+	if(env)
+		rrset_array_unlock_touch(env->rrset_cache, scratch, r->ref, 
 		r->rrset_count);
+	else
+		rrset_array_unlock(r->ref, r->rrset_count);
 	return msg;
 }
 
@@ -707,7 +711,7 @@ dns_cache_lookup(struct module_env* env,
 {
 	struct lruhash_entry* e;
 	struct query_info k;
-	hashvalue_t h;
+	hashvalue_type h;
 	time_t now = *env->now;
 	struct ub_packed_rrset_key* rrset;
 
@@ -716,6 +720,7 @@ dns_cache_lookup(struct module_env* env,
 	k.qname_len = qnamelen;
 	k.qtype = qtype;
 	k.qclass = qclass;
+	k.local_alias = NULL;
 	h = query_info_hash(&k, flags);
 	e = slabhash_lookup(env->msg_cache, h, &k, 0);
 	if(e) {
@@ -795,6 +800,12 @@ dns_cache_lookup(struct module_env* env,
 		dname_remove_label(&k.qname, &k.qname_len);
 		h = query_info_hash(&k, flags);
 		e = slabhash_lookup(env->msg_cache, h, &k, 0);
+		if(!e && k.qtype != LDNS_RR_TYPE_A &&
+			env->cfg->qname_minimisation) {
+			k.qtype = LDNS_RR_TYPE_A;
+			h = query_info_hash(&k, flags);
+			e = slabhash_lookup(env->msg_cache, h, &k, 0);
+		}
 		if(e) {
 			struct reply_info* data = (struct reply_info*)e->data;
 			struct dns_msg* msg;
@@ -810,7 +821,8 @@ dns_cache_lookup(struct module_env* env,
 			}
 			lock_rw_unlock(&e->lock);
 		}
-	}
+		k.qtype = qtype;
+	    }
 
 	/* fill common RR types for ANY response to avoid requery */
 	if(qtype == LDNS_RR_TYPE_ANY) {
@@ -855,7 +867,7 @@ dns_cache_store(struct module_env* env, struct query_info* msgqinf,
 	} else {
 		/* store msg, and rrsets */
 		struct query_info qinf;
-		hashvalue_t h;
+		hashvalue_type h;
 
 		qinf = *msgqinf;
 		qinf.qname = memdup(msgqinf->qname, msgqinf->qname_len);