Re: ORBNamingIOR=corbaloc:iiop:1 0 localhost:12000 fails to connect to nameserver

[Jules Colding <colding omesc com>]

Hi Dmitry,


On Fri, 2007-07-06 at 15:53 +1200, Dmitry Maksyoma wrote:
> Hello,
> 
>   I'm using orbit 2.14.3. I run my CORBA server with

Please upgrade your ORBit2. 2.14.3 had a bug that prevented all
non-local connections from working. This might be what bites you.

HTH,
  jules






>   -ORBNamingIOR=corbaloc:iiop:1 0 localhost:12000/NameService option, but it
>   fails to connect to the CORBA name server. It connects if I change
>   localhost to domain name for this host.
> 
>   I've tracked down the problem to link_connection_do_initiate() function.
>   There exists a check of whether supplied host name equals to FQDN of the
>   local host, or whether their IP addresses match. I don't understand the
>   reason for this check; why connections to other hosts are forbidden (and,
>   more importantly, to localhost)?
> 
>   Here's the code:
> 
> static gboolean
> link_connection_do_initiate (LinkConnection        *cnx,
>                              const char            *proto_name,
>                              const char            *host,
>                              const char            *service,
>                              LinkConnectionOptions  options)
> {
>         const LinkProtocolInfo *proto;
>         int                     rv;
>         int                     fd;
>         gboolean                retval = FALSE;
>         struct sockaddr        *saddr;
>         LinkSockLen             saddr_len;
> 
>         proto = link_protocol_find (proto_name);
> 
>         if (!proto)
>                 return FALSE;
> 
> 	if (host && (strcmp (proto_name, "IPv4") == 0)) {
> 		const char *local_host;
> 		local_host = link_get_local_hostname ();
> 
> 		if (strcmp (host, local_host)) {
> 			unsigned long inet_addr_host, inet_addr_local_host;
> 			inet_addr_host = get_inet_addr (host);
> 			inet_addr_local_host = get_inet_addr (local_host);
> 
> 			if (inet_addr_host != inet_addr_local_host)
> 				return FALSE; 
> 		}
> 	}
> 
> Thanks.
>