[support] How do we ensure the route_add() function do correctly?

Jong-Hyouk Lee jonghyouk at gmail.com
Tue Oct 20 23:33:16 JST 2009


Hi, all.

I misunderstood the functions defined in rtnl.h. We can check it by looking
at the return value. Please, ignore my previous annoying thread. ;-)

Many thanks.

On Tue, Oct 20, 2009 at 3:40 PM, Jong-Hyouk Lee <jonghyouk at gmail.com> wrote:

> Hi, all.
>
> UMIP code involves and uses functions defined in rtnl.h in order to
> control routing tables. I have a simple question about the functions.
> For instance, when we use "route_add()" in order to add a routing
> entry, how can we ensure it has been done successfully? I know the
> function has a return value to check its operation. However, it is
> only true when the root account executes it. I mean if a normal user
> executes it, there is no error mechanism as I know. Is there any other
> ways to do it?
>
> I used the following code for test it.
>
> #include <sys/types.h>
> #include <sys/socket.h>
> #include <arpa/inet.h>
>
> #include <stdio.h>
> #include <string.h>
> #include <stdlib.h>
>
> #include "libnetlink.c"
> #include "debug.c"
> #include "rtnl.c"
>
> int main(void)
> {
>    int result = 0;
>    char addr[128];
>
>    const struct in6_addr *st_dest;
>
>    memset(addr, 0x00, sizeof(addr));
>
>    inet_pton(AF_INET6, "2010:1:2:3::77", (void *)&addr);
>    st_dest = (void *)&addr;
>
>    result = route_add(2, RT_TABLE_MAIN, RTPROT_STATIC, 0, 99, NULL,
> 0, st_dest, 64, NULL);
>
>    if(result)
>        printf("Done: route_add()\n");
>
>    return(0);
> }
>
> Many thanks.
>
> --
> IMARA Team, INRIA, France.
> Jong-Hyouk Lee.
>
> #email: jonghyouk (at) gmail (dot) com || jong-hyouk.lee (at) inria (dot)
> fr
> #webpage: http://hurryon.googlepages.com/
>



-- 
IMARA Team, INRIA, France.
Jong-Hyouk Lee.

#email: jonghyouk (at) gmail (dot) com || jong-hyouk.lee (at) inria (dot) fr
#webpage: http://hurryon.googlepages.com/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://ml.nautilus6.org/pipermail/support/attachments/20091020/d4127413/attachment.htm 


More information about the Support mailing list