resolve: set error code on failure

[elogind.git] / src / resolve / resolved-dns-answer.c

diff --git a/src/resolve/resolved-dns-answer.c b/src/resolve/resolved-dns-answer.c
index 93e51fc2488662b9ddb471b3f3583732029caf8f..7c4ab18b5835f97ce8210976340d4365e9441268 100644 (file)
--- a/src/resolve/resolved-dns-answer.c
+++ b/src/resolve/resolved-dns-answer.c
@@ -97,6 +97,32 @@ int dns_answer_add(DnsAnswer *a, DnsResourceRecord *rr) {
         return 1;
 }
 
+int dns_answer_add_soa(DnsAnswer *a, const char *name, uint32_t ttl) {
+        _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *soa = NULL;
+
+        soa = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_SOA, name);
+        if (!soa)
+                return -ENOMEM;
+
+        soa->ttl = ttl;
+
+        soa->soa.mname = strdup(name);
+        if (!soa->soa.mname)
+                return -ENOMEM;
+
+        soa->soa.rname = strappend("root.", name);
+        if (!soa->soa.rname)
+                return -ENOMEM;
+
+        soa->soa.serial = 1;
+        soa->soa.refresh = 1;
+        soa->soa.retry = 1;
+        soa->soa.expire = 1;
+        soa->soa.minimum = ttl;
+
+        return dns_answer_add(a, soa);
+}
+
 int dns_answer_contains(DnsAnswer *a, DnsResourceKey *key) {
         unsigned i;
         int r;
@@ -122,6 +148,10 @@ int dns_answer_find_soa(DnsAnswer *a, DnsResourceKey *key, DnsResourceRecord **r
         assert(key);
         assert(ret);
 
+        /* For a SOA record we can never find a matching SOA record */
+        if (key->type == DNS_TYPE_SOA)
+                return 0;
+
         for (i = 0; i < a->n_rrs; i++) {
 
                 if (a->rrs[i]->key->class != DNS_CLASS_IN)