Re: Default Gateway Thorough A Programme

From: Alexey Fadyushin (fab_at_s-tunnel.com)
Date: 03/30/05

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To: General Red Hat Linux discussion list <redhat-list@redhat.com>

    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@redhat.com [mailto:redhat-list-bounces@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@redhat.com
    >>[mailto:redhat-list-bounces@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.
    >>>
    >>>
    >>--
    >>redhat-list mailing list
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    >>https://www.redhat.com/mailman/listinfo/redhat-list
    >
    > 

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