util_str.c and Problems with wins

Luke Kenneth Casson Leighton lkcl at samba.org
Mon Feb 14 00:34:58 GMT 2000


On Mon, 14 Feb 2000, Heinreichsberger Helmut wrote:

> Hi,
> 
> By reading this part of code from samba 2.0.6 I found 2 possible problems.
> 
> 1) Function next_token:
> 	...
> 	if (!ptr) ptr = &last_ptr;
> 	if (!ptr) return(False);	// I think this should read as:
> if(!*ptr) return(False);
> 
> 	s = *ptr;
> 
> last_ptr is defined as static char *, and so it always returns an address.
> 
> 
> 2) Function strhex_to_str:
> 	....
> 	char	*hexchars = "0123456789ABCDEF";
> 	....
> 	for ( i = 0; i < len && strhex[i] != 0; i++ )
> 	{
> 		if( strnequal(hexchars, "0x", 2))		// I think
> this should be: if( strnequal(strhex +i, "0x", 2))
> 		{
> 			i++;	/* skip 2 chars	*/
> 	....
> 
> the variable hexchars is unchanged in this function, so this test never can
> be true. 
> 
> When this function should skip any non-hex-numeric characters (as
> described), then the following change should be done:
> Original:
> 	if (!(p1 = strchr(hexchars, toupper(strhex[i]))))
> 	{
> 		break;
> 	}
> 	i++;
> New:
> 	if (!(p1 = strchr(hexchars, toupper(strhex[i]))))
> 	{
> 		continue;		/* the first character is
> non-hex-numeric, so skip that character	*/
> 	}
> 	i++;
> 
> 
> So here is my Problem with wins:
> I have installed Samba on Redhat Linux 6.0 with 3 Ethernet-cards. Every Card
> has its own address and its own DNS-Name.
> 2 private addresses and 1 public address. I have only 1 Wins-Server, that
> isn't in the range of my Network Masks. And so the Samba Server registers
> all 3 IP-Addresses to the wins server under the unique Machine-Name. So it
> can be that a client, that comes from the public side, get the private
> IP-Address from the Wins-Server. The private Addresses are blocked by the
> routers, and so the client cannot connect to the server with net NetBIOS
> name. I think that the better way for registering the Interfaces is to take
> the DNS-Name of the interface and not the Machine-Name.

helmut,

make the public ip address a static, permanent ip in the WINS database.



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