Re: setresuid problem

[Nikita Schmidt <cetus@snowball.ucd.ie>]

Hi

On Friday, 28 Nov, Roberto A. Lumbreras Pastor wrote:
> Hi all.
> 
> I'm having problems with setresuid system call.
> 
> For example, in following program all setresuid calls fail:
> 
> #include <unistd.h>
> #include <sys/types.h>
> 
> /* avoid "implicit declaration..." */
> int setresuid(uid_t ruid, uid_t euid, uid_t suid);
> 
> int main()
> {
>         int i;
>         i = setresuid(13, 13, 0);
>         i = setresuid((uid_t)-1, 0, (uid_t)-1);
>         i = setresuid(0, 0, 0);
>         exit(0);
> }

Do you run it as root?

Anyway, my manual page says that setresuid is introduced in Linux
2.1.44, so it is probably safer not to let any configure scripts to
detect its presence.

	Nikita


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