-/* Copyright (c) 1997 Free Software Foundation, Inc.
+/* Copyright (c) 1997-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
- Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
+ Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#include <string.h>
#include <rpcsvc/nis.h>
-#include <rpcsvc/nislib.h>
/* internal_nis_ismember ()
return codes: -1 principal is in -group
static int
internal_ismember (const_nis_name principal, const_nis_name group)
{
- if (group != NULL && strlen (group) > 0)
+ size_t grouplen = strlen (group);
+ char buf[grouplen + 50];
+ char leafbuf[grouplen + 2];
+ char domainbuf[grouplen + 2];
+ nis_result *res;
+ char *cp, *cp2;
+ u_int i;
+
+ cp = stpcpy (buf, nis_leaf_of_r (group, leafbuf, sizeof (leafbuf) - 1));
+ cp = stpcpy (cp, ".groups_dir");
+ cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1);
+ if (cp2 != NULL && cp2[0] != '\0')
{
- char buf[strlen (group) + 50];
- char leafbuf[strlen (group) + 2];
- char domainbuf[strlen (group) + 2];
- nis_result *res;
- char *cp, *cp2;
- u_int i;
+ *cp++ = '.';
+ strcpy (cp, cp2);
+ }
- cp = stpcpy (buf, nis_leaf_of_r (group, leafbuf, sizeof (leafbuf) - 1));
- cp = stpcpy (cp, ".groups_dir");
- cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1);
- if (cp2 != NULL && strlen (cp2) > 0)
- {
- cp = stpcpy (cp, ".");
- strcpy (cp, cp2);
- }
- res = nis_lookup (buf, EXPAND_NAME|FOLLOW_LINKS);
- if (res->status != NIS_SUCCESS && res->status != NIS_S_SUCCESS)
- return 0;
+ res = nis_lookup (buf, EXPAND_NAME|FOLLOW_LINKS);
+ if (res == NULL || NIS_RES_STATUS (res) != NIS_SUCCESS)
+ {
+ nis_freeresult (res);
+ return 0;
+ }
- if ((res->objects.objects_len != 1) ||
- (res->objects.objects_val[0].zo_data.zo_type != GROUP_OBJ))
- return 0;
+ if ((NIS_RES_NUMOBJ (res) != 1) ||
+ (__type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ))
+ {
+ nis_freeresult (res);
+ return 0;
+ }
- /* We search twice in the list, at first, if we have the name
- with a "-", then if without. "-member" has priority */
- for (i = 0;
- i < res->objects.objects_val[0].GR_data.gr_members.gr_members_len;
- ++i)
+ /* We search twice in the list, at first, if we have the name
+ with a "-", then if without. "-member" has priority */
+ for (i = 0; i < NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len; ++i)
+ {
+ cp = NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val[i];
+ if (cp[0] == '-')
{
- cp =res->objects.objects_val[0].GR_data.gr_members.gr_members_val[i];
- if (cp[0] == '-')
+ if (strcmp (&cp[1], principal) == 0)
{
- if (strcmp (&cp[1], principal) == 0)
+ nis_freeresult (res);
+ return -1;
+ }
+ if (cp[1] == '@')
+ switch (internal_ismember (principal, &cp[2]))
+ {
+ case -1:
+ nis_freeresult (res);
return -1;
- if (cp[1] == '@')
- switch (internal_ismember (principal, &cp[2]))
+ case 1:
+ nis_freeresult (res);
+ return 1;
+ default:
+ break;
+ }
+ else
+ if (cp[1] == '*')
+ {
+ char buf1[strlen (principal) + 2];
+ char buf2[strlen (cp) + 2];
+
+ if (strcmp (nis_domain_of_r (principal, buf1, sizeof buf1),
+ nis_domain_of_r (cp, buf2, sizeof buf2)) == 0)
{
- case -1:
- return -1;
- case 1:
+ nis_freeresult (res);
return -1;
- default:
- break;
}
- else
- if (cp[1] == '*')
- {
- char buf1[strlen (principal) + 2];
- char buf2[strlen (cp) + 2];
-
- strcpy (buf1, nis_domain_of (principal));
- strcpy (buf2, nis_domain_of (cp));
- if (strcmp (buf1, buf2) == 0)
- return -1;
- }
- }
+ }
}
- for (i = 0;
- i < res->objects.objects_val[0].GR_data.gr_members.gr_members_len;
- ++i)
+ }
+
+ for (i = 0; i < NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len; ++i)
+ {
+ cp = NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val[i];
+ if (cp[0] != '-')
{
- cp =res->objects.objects_val[0].GR_data.gr_members.gr_members_val[i];
- if (cp[0] != '-')
+ if (strcmp (cp, principal) == 0)
{
- if (strcmp (cp, principal) == 0)
+ nis_freeresult (res);
+ return 1;
+ }
+ if (cp[0] == '@')
+ switch (internal_ismember (principal, &cp[1]))
+ {
+ case -1:
+ nis_freeresult (res);
+ return -1;
+ case 1:
+ nis_freeresult (res);
return 1;
- if (cp[0] == '@')
- switch (internal_ismember (principal, &cp[1]))
+ default:
+ break;
+ }
+ else
+ if (cp[0] == '*')
+ {
+ char buf1[strlen (principal) + 2];
+ char buf2[strlen (cp) + 2];
+
+ if (strcmp (nis_domain_of_r (principal, buf1, sizeof buf1),
+ nis_domain_of_r (cp, buf2, sizeof buf2)) == 0)
{
- case -1:
- return -1;
- case 1:
+ nis_freeresult (res);
return 1;
- default:
- break;
}
- else
- if (cp[0] == '*')
- {
- char buf1[strlen (principal) + 2];
- char buf2[strlen (cp) + 2];
-
- strcpy (buf1, nis_domain_of (principal));
- strcpy (buf2, nis_domain_of (cp));
- if (strcmp (buf1, buf2) == 0)
- return 1;
- }
- }
+ }
}
}
-
+ nis_freeresult (res);
return 0;
}
bool_t
nis_ismember (const_nis_name principal, const_nis_name group)
{
- if (group != NULL && strlen (group) > 0)
- {
- int status;
-
- status = internal_ismember (principal, group);
- if (status == 1)
- return TRUE;
- else
- return FALSE;
- }
+ if (group != NULL && group[0] != '\0' && principal != NULL)
+ return internal_ismember (principal, group) == 1 ? TRUE : FALSE;
else
return FALSE;
}