#include <sys/cdefs.h>
#include <unistd.h>
#include <syslog.h>
#include <stdio.h>

#define PAM_SM_AUTH

#include <security/pam_appl.h>
#include <security/pam_modules.h>
#include <security/pam_mod_misc.h>

PAM_EXTERN int
pam_sm_authenticate(pam_handle_t *pamh, int flags ,
    int argc  ,  const char *argv[]  )
{

        if (getuid() == 0)
                return (PAM_SUCCESS);

        PAM_ERROR("User is not superuser");

        return (PAM_AUTH_ERR);
}

PAM_EXTERN int
pam_sm_setcred(pam_handle_t *pamh, int flags,
    int argc  , const char *argv[] ) 
{        
          
        return (PAM_SUCCESS);
}

PAM_MODULE_ENTRY("pam_rootok");