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resolved: properly pass empty answers back to bus clients

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This commit is contained in:
Lennart Poettering 2014-07-30 17:52:58 +02:00
parent 7926674674
commit 3339cb71d4
1 changed files with 37 additions and 32 deletions
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69
src/resolve/resolved-bus.c
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@ -149,33 +149,36 @@ static void bus_method_resolve_hostname_complete(DnsQuery *q) {
if (r < 0)
goto finish;
answer = dns_answer_ref(q->answer);
ifindex = q->answer_ifindex;
for (i = 0; i < answer->n_rrs; i++) {
r = dns_question_matches_rr(q->question, answer->rrs[i]);
if (r < 0)
goto parse_fail;
if (r == 0) {
/* Hmm, if this is not an address record,
maybe it's a cname? If so, remember this */
r = dns_question_matches_cname(q->question, answer->rrs[i]);
if (q->answer) {
answer = dns_answer_ref(q->answer);
for (i = 0; i < answer->n_rrs; i++) {
r = dns_question_matches_rr(q->question, answer->rrs[i]);
if (r < 0)
goto parse_fail;
if (r > 0)
cname = dns_resource_record_ref(answer->rrs[i]);
if (r == 0) {
/* Hmm, if this is not an address record,
maybe it's a cname? If so, remember this */
r = dns_question_matches_cname(q->question, answer->rrs[i]);
if (r < 0)
goto parse_fail;
if (r > 0)
cname = dns_resource_record_ref(answer->rrs[i]);
continue;
continue;
}
r = append_address(reply, answer->rrs[i], ifindex);
if (r < 0)
goto finish;
if (!canonical)
canonical = dns_resource_record_ref(answer->rrs[i]);
added ++;
}
r = append_address(reply, answer->rrs[i], ifindex);
if (r < 0)
goto finish;
if (!canonical)
canonical = dns_resource_record_ref(answer->rrs[i]);
added ++;
}
if (added <= 0) {
@ -347,20 +350,22 @@ static void bus_method_resolve_address_complete(DnsQuery *q) {
if (r < 0)
goto finish;
answer = dns_answer_ref(q->answer);
if (q->answer) {
answer = dns_answer_ref(q->answer);
for (i = 0; i < answer->n_rrs; i++) {
r = dns_question_matches_rr(q->question, answer->rrs[i]);
if (r < 0)
goto parse_fail;
if (r == 0)
continue;
for (i = 0; i < answer->n_rrs; i++) {
r = dns_question_matches_rr(q->question, answer->rrs[i]);
if (r < 0)
goto parse_fail;
if (r == 0)
continue;
r = sd_bus_message_append(reply, "s", answer->rrs[i]->ptr.name);
if (r < 0)
goto finish;
r = sd_bus_message_append(reply, "s", answer->rrs[i]->ptr.name);
if (r < 0)
goto finish;
added ++;
added ++;
}
}
if (added <= 0) {