setuid as someone (ssh as someone)

/* This binary is intended to be a setuid script wrapper for dbRsync.pl.

   

Usage:-

   >gcc setuid_swap.c -o newfilename

   >chmod 4755 newfilename

*/

int main(int ac, char **av) {

    int uid;

    uid = geteuid();

    setreuid(uid, uid);

    execv( "/usr/bin/ssh", av );

}