appl/login/osfc2.c

   1 /*
   2  * Copyright (c) 1998 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed by Kungliga Tekniska
  20  *      Högskolan and its contributors.
  21  *
  22  * 4. Neither the name of the Institute nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #include "bsd_locl.h"
  40 RCSID("$Id$");
  41
  42 int
  43 do_osfc2_magic(uid_t uid)
  44 {
  45 #ifdef HAVE_OSFC2
  46     struct es_passwd *epw;
  47     char *argv[2];
  48
  49     /* fake */
  50     argv[0] = (char*)__progname;
  51     argv[1] = NULL;
  52     set_auth_parameters(1, argv);
  53
  54     epw = getespwuid(uid);
  55     if(epw == NULL) {
  56         syslog(LOG_AUTHPRIV|LOG_NOTICE,
  57                "getespwuid failed for %d", uid);
  58         printf("Sorry.\n");
  59         return 1;
  60     }
  61     /* We don't check for auto-retired, foo-retired,
  62        bar-retired, or any other kind of retired accounts
  63        here; neither do we check for time-locked accounts, or
  64        any other kind of serious C2 mumbo-jumbo. We do,
  65        however, call setluid, since failing to do so is not
  66        very good (take my word for it). */
  67
  68     if(!epw->uflg->fg_uid) {
  69         syslog(LOG_AUTHPRIV|LOG_NOTICE,
  70                "attempted login by %s (has no uid)", epw->ufld->fd_name);
  71         printf("Sorry.\n");
  72         return 1;
  73     }
  74     setluid(epw->ufld->fd_uid);
  75     if(getluid() != epw->ufld->fd_uid) {
  76         syslog(LOG_AUTHPRIV|LOG_NOTICE,
  77                "failed to set LUID for %s (%d)",
  78                epw->ufld->fd_name, epw->ufld->fd_uid);
  79         printf("Sorry.\n");
  80         return 1;
  81     }
  82 #endif /* HAVE_OSFC2 */
  83     return 0;
  84 }