nis/nis_creategroup.c

   1 /* Copyright (c) 1997-2017 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Thorsten Kukuk <kukuk@suse.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, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <time.h>
  20 #include <string.h>
  21 #include <rpcsvc/nis.h>
  22 #include <shlib-compat.h>
  23
  24 nis_error
  25 nis_creategroup (const_nis_name group, unsigned int flags)
  26 {
  27   if (group != NULL && group[0] != '\0')
  28     {
  29       size_t grouplen = strlen (group);
  30       char buf[grouplen + 50];
  31       char leafbuf[grouplen + 2];
  32       char domainbuf[grouplen + 2];
  33       nis_error status;
  34       nis_result *res;
  35       char *cp, *cp2;
  36       nis_object *obj;
  37
  38       cp = stpcpy (buf, nis_leaf_of_r (group, leafbuf, sizeof (leafbuf) - 1));
  39       cp = stpcpy (cp, ".groups_dir");
  40       cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1);
  41       if (cp2 != NULL && cp2[0] != '\0')
  42         {
  43           *cp++ = '.';
  44           stpcpy (cp, cp2);
  45         }
  46       else
  47         return NIS_BADNAME;
  48
  49       obj = calloc (1, sizeof (nis_object));
  50       if (__glibc_unlikely (obj == NULL))
  51         return NIS_NOMEMORY;
  52
  53       obj->zo_oid.ctime = obj->zo_oid.mtime = time (NULL);
  54       obj->zo_name = strdup (leafbuf);
  55       obj->zo_owner = __nis_default_owner (NULL);
  56       obj->zo_group = __nis_default_group (NULL);
  57       obj->zo_domain = strdup (domainbuf);
  58       if (obj->zo_name == NULL || obj->zo_owner == NULL
  59           || obj->zo_group == NULL || obj->zo_domain == NULL)
  60         {
  61           free (obj->zo_group);
  62           free (obj->zo_owner);
  63           free (obj->zo_name);
  64           free (obj);
  65           return NIS_NOMEMORY;
  66         }
  67       obj->zo_access = __nis_default_access (NULL, 0);
  68       obj->zo_ttl = 60 * 60;
  69       obj->zo_data.zo_type = NIS_GROUP_OBJ;
  70       obj->zo_data.objdata_u.gr_data.gr_flags = flags;
  71       obj->zo_data.objdata_u.gr_data.gr_members.gr_members_len = 0;
  72       obj->zo_data.objdata_u.gr_data.gr_members.gr_members_val = NULL;
  73
  74       res = nis_add (buf, obj);
  75       nis_free_object (obj);
  76       if (res == NULL)
  77         return NIS_NOMEMORY;
  78       status = NIS_RES_STATUS (res);
  79       nis_freeresult (res);
  80
  81       return status;
  82     }
  83   return NIS_FAIL;
  84 }
  85 libnsl_hidden_nolink_def (nis_creategroup, GLIBC_2_1)