Default Gateway Thorough A Programme

[Alexey Fadyushin]

These operations could be made using ioctl calls on sockets. The ioctl 
codes and names of relevant IOCTL's are listed in the include file 
<linux/sockios.h>.

Alexey Fadyushin
Brainbench MVP for Linux.
http://www.brainbench.com


David Balazic wrote:

> I believe reading the sources of /sbin/ifconfig would be very helpful.
> 
> -----Original Message-----
> From: redhat-list-bounces at redhat.com [mailto:redhat-list-bounces at redhat.com]
> On Behalf Of Muhammad Rizwan
> Sent: 29. marec 2005 10:15
> To: General Red Hat Linux discussion list
> Subject: RE: Default Gateway Thorough A Programme
> 
> 
> 
> In addition to that how can i get my ip address and how can i add another ip
> address through my program.
> 
> Thanks
> 
> On Tue, 2005-03-29 at 12:28, David Balazic wrote:
> 
>>Guys, I think he just wants to find out the address of the default 
>>Gateway, nothing more :-)
>>
>>Like :
>>Int gw_adr = get_def_ge();
>>
>>Which would return 192.168.1.1 for example.
>>
>>
>>-----Original Message-----
>>From: redhat-list-bounces at redhat.com 
>>[mailto:redhat-list-bounces at redhat.com]
>>On Behalf Of Alexey Fadyushin
>>Sent: 26. marec 2005 20:16
>>To: General Red Hat Linux discussion list
>>Subject: Re: Default Gateway Thorough A Programme
>>
>>
>>If you need to intercept the packets which are tobe sent via default
>>router, you can use iptables targets QUEUE and/or ULOG (if kernel 
>>supports it) which will pass the packets to user space program which can 
>>process them and, if necessary, return them back to kernel for further 
>>processing.
>>
>>Alexey Fadyushin
>>Brainbench MVP for Linux.
>>http://www.brainbench.com
>>
>>Robert Canary wrote:
>>
>>
>>>You would have to create a virtual ethernet driver that really 
>>>dosen't look at a physical device but rather a FIFO file.
>>>
>>>Sort of like null modem driver...
>>>
>>>kanhu rauta wrote:
>>>
>>>
>>>>  Hi all,
>>>>
>>>>How can i get the default gateway of a linux machine through a C 
>>>>programme. Can i get it through IOCTL call.
>>>>
>>>>Any idea to Proceed with is welcome.
>>>>
>>>>With Regards,
>>>>Kanhu
>>>>
>>>>Kanhu Charan Rauta
>>>>
>>>>Innomedia Techonologies Pvt. Ltd
>>>>
>>>>#3278,12Th Main,
>>>>
>>>>HAL 2nd stage.
>>>>
>>>>Banglore-560008.
>>>
>>>
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> 
>