glibc/nis/nis_removemember.c
Thorsten Kukuk 1e4d83f6fe Deprecate libnsl by default (only shared library will be
build for backward compatibility, no linking possible) and disable building
of libnss_compat, libnss_nis and libnss_nisplus, except --enable-obsolete-nsl
option is given to configure.

        * config.h.in: Add LINK_OBSOLETE_NSL.
        * config.make.in: Add build-obsolete-nsl.
        * configure.ac: Add obsolete-nsl option.
        * include/libc-symbols.h: Define libnsl_hidden_nolink_def.
        * include/rpcsvc/yp.h: Add missing functions as libnsl_hidden_proto.
        * include/rpcsvc/nislib.h: Likewise.
        * include/rpcsvc/ypclnt.h: Likewise.
        * manual/install.texi: Document --enable-obsolete-nsl.
        * nis/Makefile: Build only libnsl by default (add build-obsolete-nsl).
        * nis/nis_add.c: Replace libnsl_hidden_def with
        libnsl_hidden_nolink_def.
        * nis/nis_addmember.c: Likewise.
        * nis/nis_call.c: Likewise.
        * nis/nis_clone_obj.c: Likewise.
        * nis/nis_defaults.c: Likeise.
        * nis/nis_domain_of_r.c: Likewise.
        * nis/nis_error.c: Likewise.
        * nis/nis_file.c: Likewise.
        * nis/nis_free.c: Likewise.
        * nis_local_names.c: Likewise.
        * nis/nis_lookup.c: Likewise.
        * nis/nis_modify.c: Likewise.
        * nis/nis_print.c: Likewise.
        * nis/nis_remove.c: Likewise.
        * nis/nis_table.c: Likewise.
        * nis/nis_util.c: Likewise.
        * nis/nis_xdr.c: Likewise.
        * nis/yp_xdr.c: Likewise.
        * nis/ypclnt.c: Likewise.
        * nis/ypupdate_xdr.c: Likewise.
        * nis/nis_checkpoint.c: Add libnsl_hidden_nolink_def to all functions.
        * nis/nis_clone_dir.c: Likewise.
        * nis/nis_clone_res.c: Likewise.
        * nis/nis_creategroup.c: Likewise.
        * nis/nis_destroygroup.c: Likewise.
        * nis/nis_domain_of.c: Likewise.
        * nis/nis_getservlist.c: Likewise.
        * nis/nis_ismember.c: Likewise.
        * nis/nis_mkdir.c: Likewise.
        * nis/nis_ping.c: Likewise.
        * nis/nis_print_group_entry.c: Likewise.
        * nis/nis_removemember.c: Likewise.
        * nis/nis_rmdir.c: Likewise.
        * nis/nis_server.c: Likewise.
        * nis/nis_subr.c: Likewise.
        * nis/nis_verifygroup.c: Likewise.

Signed-off-by: Thorsten Kukuk <kukuk@suse.com>
2017-03-21 15:14:27 +01:00

93 lines
3 KiB
C

/* Copyright (c) 1997-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
The GNU C Library is free software; you can redistribute it and/or
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
Lesser General Public License for more details.
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 <assert.h>
#include <string.h>
#include <rpcsvc/nis.h>
nis_error
nis_removemember (const_nis_name member, const_nis_name group)
{
if (group != NULL && group[0] != '\0')
{
size_t grouplen = strlen (group);
char buf[grouplen + 14 + NIS_MAXNAMELEN];
char domainbuf[grouplen + 2];
nis_result *res, *res2;
nis_error status;
char *cp, *cp2;
cp = rawmemchr (nis_leaf_of_r (group, buf, sizeof (buf) - 1), '\0');
cp = stpcpy (cp, ".groups_dir");
cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1);
if (cp2 != NULL && cp2[0] != '\0')
{
cp = stpcpy (cp, ".");
stpcpy (cp, cp2);
}
res = nis_lookup (buf, FOLLOW_LINKS | EXPAND_NAME);
if (res == NULL)
return NIS_NOMEMORY;
if (NIS_RES_STATUS (res) != NIS_SUCCESS)
{
status = NIS_RES_STATUS (res);
nis_freeresult (res);
return status;
}
if (NIS_RES_NUMOBJ (res) != 1
|| __type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ)
{
nis_freeresult (res);
return NIS_INVALIDOBJ;
}
nis_name *gr_members_val
= NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_val;
u_int gr_members_len
= NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len;
u_int j = 0;
for (u_int i = 0; i < gr_members_len; ++i)
if (strcmp (gr_members_val[i], member) != 0)
gr_members_val[j++] = gr_members_val[i];
else
free (gr_members_val[i]);
/* There is no need to reallocate the gr_members_val array. We
just adjust the size to match the number of strings still in
it. Yes, xdr_array will use mem_free with a size parameter
but this is mapped to a simple free call which determines the
size of the block by itself. */
NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len = j;
cp = stpcpy (buf, NIS_RES_OBJECT (res)->zo_name);
*cp++ = '.';
strncpy (cp, NIS_RES_OBJECT (res)->zo_domain, NIS_MAXNAMELEN);
res2 = nis_modify (buf, NIS_RES_OBJECT (res));
status = NIS_RES_STATUS (res2);
nis_freeresult (res);
nis_freeresult (res2);
return status;
}
else
return NIS_FAIL;
}
libnsl_hidden_nolink_def (nis_removemember, GLIBC_2_1)