/*
 * Copyright 2000, International Business Machines Corporation and others.
 * All Rights Reserved.
 *
 * This software has been released under the terms of the IBM Public
 * License.  For details, see the LICENSE file in the top-level source
 * directory or online at http://www.openafs.org/dl/license10.html
 */

#include <afsconfig.h>
#include <afs/param.h>

#include <roken.h>

#ifdef	AFS_AIX32_ENV
# ifdef AFS_AIX51_ENV
#  include <sys/cred.h>
#  ifdef HAVE_SYS_PAG_H
#   include <sys/pag.h>
#  endif
# endif
#endif

#include <limits.h>
#include <rx/rx.h>
#include <afs/auth.h>
#include <afs/sys_prototypes.h>

#include "AFS_component_version_number.c"

int
main(int argc, char *argv[])
{
    struct passwd *pwe;
    int uid;
    char *shell = "/bin/sh";

#ifdef	AFS_AIX32_ENV
    /*
     * The following signal action for AIX is necessary so that in case of a
     * crash (i.e. core is generated) we can include the user's data section
     * in the core dump. Unfortunately, by default, only a partial core is
     * generated which, in many cases, isn't too useful.
     */
    struct sigaction nsa;

    sigemptyset(&nsa.sa_mask);
    nsa.sa_handler = SIG_DFL;
    nsa.sa_flags = SA_FULLDUMP;
    sigaction(SIGSEGV, &nsa, NULL);
#endif
    uid = getuid();
    pwe = getpwuid(uid);
    if (pwe == 0) {
	fprintf(stderr, "Intruder alert.\n");
    } else {
/*		shell = pwe->pw_shell; */
    }
    if (setpag() == -1) {
	perror("setpag");
    }
#ifdef AFS_KERBEROS_ENV
    ktc_newpag();
#endif
    argv[0] = shell;
    execvp(shell, argv);
    perror(shell);
    fprintf(stderr, "No shell\n");
    exit(1);
}