1: /* Copyright (c) 1997, 1998 Free Software Foundation, Inc.
    2:    This file is part of the GNU C Library.
    3:    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
    4: 
    5:    The GNU C Library is free software; you can redistribute it and/or
    6:    modify it under the terms of the GNU Lesser General Public
    7:    License as published by the Free Software Foundation; either
    8:    version 2.1 of the License, or (at your option) any later version.
    9: 
   10:    The GNU C Library is distributed in the hope that it will be useful,
   11:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   12:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   13:    Lesser General Public License for more details.
   14: 
   15:    You should have received a copy of the GNU Lesser General Public
   16:    License along with the GNU C Library; if not, write to the Free
   17:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   18:    02111-1307 USA.  */
   19: 
   20: #include <string.h>
   21: #include <rpcsvc/nis.h>
   22: 
   23: nis_error
   24: nis_verifygroup (const_nis_name group)
   25: {
   26:   if (group != NULL && group[0] != '\0')
   27:     {
   28:       size_t grouplen = strlen (group);
   29:       char buf[grouplen + 50];
   30:       char leafbuf[grouplen + 2];
   31:       char domainbuf[grouplen + 2];
   32:       nis_result *res;
   33:       nis_error status;
   34:       char *cp, *cp2;
   35: 
   36:       cp = stpcpy (buf, nis_leaf_of_r (group, leafbuf, sizeof (leafbuf) - 1));
   37:       cp = stpcpy (cp, ".groups_dir");
   38:       cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1);
   39:       if (cp2 != NULL && cp2[0] != '\0')
   40:         {
   41:           *cp++ = '.';
   42:           stpcpy (cp, cp2);
   43:         }
   44:       res = nis_lookup (buf, 0);
   45:       status = NIS_RES_STATUS (res);
   46:       nis_freeresult (res);
   47:       return status;
   48:     }
   49:   else
   50:     return NIS_FAIL;
   51: }