Function sip_resolvehost

resolve.c:1654–1786

#if 0
struct hostent* sip_resolvehost(str* name, unsigned short* port, int *proto,
																int is_sips)
{
	static char tmp[MAX_DNS_NAME];
	struct ip_addr *ip;
	struct rdata *head;
	struct rdata *rd;
	struct hostent* he;

	if ( (is_sips)
	&& (tls_disable)
	) {
		LM_ERR("cannot resolve SIPS as no TLS support is configured\n");
		return 0;
	}

	/* check if it's an ip address */
	if ( ((ip=str2ip(name))!=0)
	|| ((ip=str2ip6(name))!=0)
	){
		/* we are lucky, this is an ip address */
		if (proto && *proto==PROTO_NONE)
			*proto = (is_sips)?PROTO_TLS:PROTO_UDP;
		if (port && *port==0)
			*port = (is_sips||((*proto)==PROTO_TLS))?SIPS_PORT:SIP_PORT;
		return ip_addr2he(name,ip);
	}

	/* do we have a port? */
	if ( !port || (*port)!=0 ) {
		/* have port -> no NAPTR, no SRV lookup, just A record lookup */
		LM_DBG("has port -> do A record lookup!\n");
		/* set default PROTO if not set */
		if (proto && *proto==PROTO_NONE)
			*proto = (is_sips)?PROTO_TLS:PROTO_UDP;
		goto do_a;
	}

	/* no port... what about proto? */
	if ( !proto || (*proto)!=PROTO_NONE ) {
		/* have proto, but no port -> do SRV lookup */
		LM_DBG("no port, has proto -> do SRV lookup!\n");
		if (is_sips && (*proto)!=PROTO_TLS) {
			LM_ERR("forced proto %d not matching sips uri\n", *proto);
			return 0;
		}
		goto do_srv;
	}

	LM_DBG("no port, no proto -> do NAPTR lookup!\n");
	/* no proto, no port -> do NAPTR lookup */
	if (name->len >= MAX_DNS_NAME) {
		LM_ERR("domain name too long\n");
		return 0;
	}
	memcpy(tmp, name->s, name->len);
	tmp[name->len] = '\0';
	/* do NAPTR lookup */