svn commit: samba r25472 - in branches: SAMBA_3_2/source SAMBA_3_2/source/include SAMBA_3_2/source/lib SAMBA_3_2/source/lib/replace SAMBA_3_2/source/lib/replace/system SAMBA_3_2/source/utils SAMBA_3_2_0/source SAMBA_3_2_0/source/include SAMBA_3_2_0/source/lib SAMBA_3_2_0/source/lib/replace SAMBA_3_2_0/source/lib/replace/system SAMBA_3_2_0/source/utils

[David Holder]

Jeremy,

I agree it seems like the way to go. I've not tried getifaddrs on 
systems other than Linux, it will be interesting to see if it works.

David
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Jeremy Allison wrote:
> On Tue, Oct 02, 2007 at 09:54:29PM +0100, David Holder wrote:
>   
>> Jeremy,
>>
>> Is the purpose of this code to enumerate interfaces or addresses? The 
>> reason that I ask is that the standard way to enumerate interfaces is  
>> if_nameindex().
>>     
>
> This is enumerating interfaces. I'm starting from the ground up,
> and Samba currently has lots of code for different systems for
> discovering existing network interfaces. I've just added one
> that uses getifaddrs/freeifaddrs - I think this one should get
> me both interfaces and addresses in one linked list. On modern
> Linux systems (recent Ubuntu 7.04) it seems to do this.
>
>   
>> Listing addresses is harder. On most, but not all, platforms 
>> getifaddrs() is IPv4 only. A number of platforms, but not all, support 
>> the use of the SIOCGIFADDR ioctl to enumerate IPv6 addresses. On Linux 
>> rtnetlink can be used.
>>     
>
> On modern Linux getifaddrs is returning any configured IPv6
> addresses as well as IPv4 ones. I think this may be the way
> to go on most systems.
>
> Jeremy.
>