nis/nis_creategroup.c

   1 /* Copyright (c) 1997-2021 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <time.h>
  19 #include <string.h>
  20 #include <rpcsvc/nis.h>
  21 #include <shlib-compat.h>
  22
  23 nis_error
  24 nis_creategroup (const_nis_name group, unsigned int flags)
  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_error status;
  33       nis_result *res;
  34       char *cp, *cp2;
  35       nis_object *obj;
  36
  37       cp = stpcpy (buf, nis_leaf_of_r (group, leafbuf, sizeof (leafbuf) - 1));
  38       cp = stpcpy (cp, ".groups_dir");
  39       cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1);
  40       if (cp2 != NULL && cp2[0] != '\0')
  41         {
  42           *cp++ = '.';
  43           stpcpy (cp, cp2);
  44         }
  45       else
  46         return NIS_BADNAME;
  47
  48       obj = calloc (1, sizeof (nis_object));
  49       if (__glibc_unlikely (obj == NULL))
  50         return NIS_NOMEMORY;
  51
  52       obj->zo_oid.ctime = obj->zo_oid.mtime = time (NULL);
  53       obj->zo_name = strdup (leafbuf);
  54       obj->zo_owner = __nis_default_owner (NULL);
  55       obj->zo_group = __nis_default_group (NULL);
  56       obj->zo_domain = strdup (domainbuf);
  57       if (obj->zo_name == NULL || obj->zo_owner == NULL
  58           || obj->zo_group == NULL || obj->zo_domain == NULL)
  59         {
  60           free (obj->zo_group);
  61           free (obj->zo_owner);
  62           free (obj->zo_name);
  63           free (obj);
  64           return NIS_NOMEMORY;
  65         }
  66       obj->zo_access = __nis_default_access (NULL, 0);
  67       obj->zo_ttl = 60 * 60;
  68       obj->zo_data.zo_type = NIS_GROUP_OBJ;
  69       obj->zo_data.objdata_u.gr_data.gr_flags = flags;
  70       obj->zo_data.objdata_u.gr_data.gr_members.gr_members_len = 0;
  71       obj->zo_data.objdata_u.gr_data.gr_members.gr_members_val = NULL;
  72
  73       res = nis_add (buf, obj);
  74       nis_free_object (obj);
  75       if (res == NULL)
  76         return NIS_NOMEMORY;
  77       status = NIS_RES_STATUS (res);
  78       nis_freeresult (res);
  79
  80       return status;
  81     }
  82   return NIS_FAIL;
  83 }
  84 libnsl_hidden_nolink_def (nis_creategroup, GLIBC_2_1)