Re: Modify the route table with C
On 4/6/06, Jan-Benedict Glaw <jbglaw@lug-owl.de> wrote:
> On Thu, 2006-04-06 15:25:11 +0800, Luo Yong <yong.personal.mail@gmail.com> wrote:
> > On 4/6/06, Jan-Benedict Glaw <jbglaw@lug-owl.de> wrote:
> > > On Thu, 2006-04-06 09:39:58 +0800, Luo Yong <yong.personal.mail@gmail.com> wrote:
> > > > Is there anyway to modify the route table with C language?
> > >
> > > There is. `route' is written in C, as well as the `ip' utility.
> >
> > But my server is a customized ARM machine.It don't have the program
> > 'route'.So I must find a way to modify route table myself.
>
> Whee... Okay. Lets start it with Adam and Eve.
>
> Linux is a well-known free operating system. As such, it is
> open-sourced, so you get the source code of the Linux kernel.
> Additionally, the commonly used GNU userland programs are also free
> software and thus, their source code is available, too.
>
> GNU/Linux isn't really about readily compiled programs. These are for
> convenience only, to have something to give users. And good news are,
> that the source used to compile "Linux distributions" is common to all
> and any platforms Linux runs on. So it is actually irrelevant for you
> to run on a ARM processor, on some Intel chip, Alpha, Sparc, PPC, VAX,
> you name it. The source code of the `route' utility is common to _all_
> of those, so just get it as an example program that is able to insert
> static routes. The same is true for the `ip' utility. One source that
> will compile on all Linux platforms. It's nice, itsn't it?
>
> So all you probably need is a working cross-compiler (or an ARM
> machine that's capable of really running a native compiler) and
> compile the common `route' source code to get a `route' binary that'll
> run on your target machine.
>
> And really, you don't need to program a custom `route' program--just
> use the one that we all use. It actually works and is basically free
> of bugs.
>
> MfG, JBG
>
> --
> Jan-Benedict Glaw jbglaw@lug-owl.de . +49-172-7608481 _ O _
> "Eine Freie Meinung in einem Freien Kopf | Gegen Zensur | Gegen Krieg _ _ O
> für einen Freien Staat voll Freier Bürger" | im Internet! | im Irak! O O O
> ret = do_actions((curr | FREE_SPEECH) & ~(NEW_COPYRIGHT_LAW | DRM | TCPA));
>
>
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>
>
I downloaded the net-tools tarball and put the program in my
server.The route table can be modified now.
Thank you very much.
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