#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
int main(int argc, char **argv, char **envp)
{
	setresgid(getegid(), getegid(), getegid());
	setresuid(geteuid(), geteuid(), geteuid());

	execve("/bin/sh", argv,  envp);
	return 0;
}