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Comparing ircd-hybrid/branches/8.2.x/src/res.c (file contents):
Revision 4312 by michael, Thu Jul 31 17:02:26 2014 UTC vs.
Revision 4315 by michael, Thu Jul 31 20:46:17 2014 UTC

#	Line 692 | Line 692 | res_readreply(fde_t *fd, void *data)
692		}
693
694		/*
695	<	* If this fails there was an error decoding the received packet,
696	<	* try it again and hope it works the next time.
695	>	* If this fails there was an error decoding the received packet.
696	>	* We only give it one shot. If it fails, just leave the client
697	>	* unresolved.
698		*/
699	<	if (proc_answer(request, header, buf, buf + rc))
699	>	if (!proc_answer(request, header, buf, buf + rc))
700		{
701	<	if (request->type == T_PTR)
702	<	{
703	<	if (request->name == NULL)
704	<	{
704	<	/*
705	<	* Got a PTR response with no name, something bogus is happening
706	<	* don't bother trying again, the client address doesn't resolve
707	<	*/
708	<	(*request->callback)(request->callback_ctx, NULL, NULL);
709	<	rem_request(request);
710	<	return;
711	<	}
701	>	(*request->callback)(request->callback_ctx, NULL, NULL);
702	>	rem_request(request);
703	>	return;
704	>	}
705
706	<	/*
707	<	* Lookup the 'authoritative' name that we were given for the ip#.
708	<	*/
716	<	#ifdef IPV6
717	<	if (request->addr.ss.ss_family == AF_INET6)
718	<	gethost_byname_type(request->callback, request->callback_ctx, request->name, T_AAAA);
719	<	else
720	<	#endif
721	<	gethost_byname_type(request->callback, request->callback_ctx, request->name, T_A);
722	<	rem_request(request);
723	<	}
724	<	else
706	>	if (request->type == T_PTR)
707	>	{
708	>	if (request->name == NULL)
709		{
710		/*
711	<	* Got a name and address response, client resolved
711	>	* Got a PTR response with no name, something bogus is happening
712	>	* don't bother trying again, the client address doesn't resolve
713		*/
714	<	(*request->callback)(request->callback_ctx, &request->addr, request->name);
714	>	(*request->callback)(request->callback_ctx, NULL, NULL);
715		rem_request(request);
716	+	return;
717		}
718	+
719	+	/*
720	+	* Lookup the 'authoritative' name that we were given for the ip#.
721	+	*/
722	+	#ifdef IPV6
723	+	if (request->addr.ss.ss_family == AF_INET6)
724	+	gethost_byname_type(request->callback, request->callback_ctx, request->name, T_AAAA);
725	+	else
726	+	#endif
727	+	gethost_byname_type(request->callback, request->callback_ctx, request->name, T_A);
728	+	rem_request(request);
729		}
730	<	else if (!request->sent)
730	>	else
731		{
732	<	/* XXX - we got a response for a query we didn't send with a valid id?
733	<	* this should never happen, bail here and leave the client unresolved
732	>	/*
733	>	* Got a name and address response, client resolved
734		*/
735	<	assert(0);
739	<
740	<	(*request->callback)(request->callback_ctx, NULL, NULL);
741	<	/* XXX don't leak it */
735	>	(*request->callback)(request->callback_ctx, &request->addr, request->name);
736		rem_request(request);
737		}
738		}

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