static void
idnsGrokReply(const char *buf, size_t sz)
{
int n;
int valid;
rfc1035_rr *answers = NULL;
unsigned short rid = 0xFFFF;
idns_query *q;
n = rfc1035AnswersUnpack(buf,
sz,
&answers,
&rid);
debug(78, 3) ("idnsGrokReply: ID %#hx, %d answers\n", rid, n);
if (rid == 0xFFFF) {
debug(78, 1) ("idnsGrokReply: Unknown error\n");
/* XXX leak answers? */
return;
}
q = idnsFindQuery(rid);
if (q == NULL) {
debug(78, 3) ("idnsGrokReply: Late response\n");
rfc1035RRDestroy(answers, n);
return;
}
dlinkDelete(&q->lru, &lru_list);
idnsRcodeCount(n, q->attempt);
if (n < 0) {
debug(78, 3) ("idnsGrokReply: error %d\n", rfc1035_errno);
if (-2 == n && ++q->attempt < MAX_ATTEMPT) {
/*
* RCODE 2 is "Server failure - The name server was
* unable to process this query due to a problem with
* the name server."
*/
assert(NULL == answers);
q->start_t = current_time;
q->id = rfc1035RetryQuery(q->buf);
idnsSendQuery(q);
return;
}
}
valid = cbdataValid(q->callback_data);
cbdataUnlock(q->callback_data);
if (valid)
q->callback(q->callback_data, answers, n);
rfc1035RRDestroy(answers, n);
memFree(q, MEM_IDNS_QUERY);
}
void rfc1035MessageDestroy(rfc1035_message * msg)
{
if (!msg)
return;
if (msg->query)
acl_myfree(msg->query);
if (msg->answer)
rfc1035RRDestroy(msg->answer, msg->ancount);
acl_myfree(msg);
}
