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04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
95 lines
3.0 KiB
C
95 lines
3.0 KiB
C
/* Copyright (c) 1997-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <assert.h>
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#include <string.h>
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#include <rpcsvc/nis.h>
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#include <shlib-compat.h>
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nis_error
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nis_addmember (const_nis_name member, const_nis_name group)
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{
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if (group != NULL && group[0] != '\0')
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{
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size_t grouplen = strlen (group);
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char buf[grouplen + 14 + NIS_MAXNAMELEN];
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char domainbuf[grouplen + 2];
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nis_result *res, *res2;
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nis_error status;
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char *cp, *cp2;
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cp = rawmemchr (nis_leaf_of_r (group, buf, sizeof (buf) - 1), '\0');
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cp = stpcpy (cp, ".groups_dir");
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cp2 = nis_domain_of_r (group, domainbuf, sizeof (domainbuf) - 1);
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if (cp2 != NULL && cp2[0] != '\0')
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{
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*cp++ = '.';
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stpcpy (cp, cp2);
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}
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res = nis_lookup (buf, FOLLOW_LINKS | EXPAND_NAME);
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if (NIS_RES_STATUS (res) != NIS_SUCCESS)
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{
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status = NIS_RES_STATUS (res);
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nis_freeresult (res);
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return status;
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}
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if (NIS_RES_NUMOBJ (res) != 1
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|| __type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ)
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{
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nis_freeresult (res);
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return NIS_INVALIDOBJ;
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}
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u_int gr_members_len
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= NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len;
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nis_name *new_gr_members_val
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= realloc (NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val,
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(gr_members_len + 1) * sizeof (nis_name));
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if (new_gr_members_val == NULL)
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goto nomem_out;
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NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_val
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= new_gr_members_val;
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new_gr_members_val[gr_members_len] = strdup (member);
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if (new_gr_members_val[gr_members_len] == NULL)
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{
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nomem_out:
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nis_freeresult (res);
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return NIS_NOMEMORY;
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}
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++NIS_RES_OBJECT (res)->GR_data.gr_members.gr_members_len;
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/* Check the buffer bounds are not exceeded. */
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assert (strlen (NIS_RES_OBJECT(res)->zo_name) + 1 < grouplen + 14);
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cp = stpcpy (buf, NIS_RES_OBJECT(res)->zo_name);
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*cp++ = '.';
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strncpy (cp, NIS_RES_OBJECT (res)->zo_domain, NIS_MAXNAMELEN);
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res2 = nis_modify (buf, NIS_RES_OBJECT (res));
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status = NIS_RES_STATUS (res2);
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nis_freeresult (res);
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nis_freeresult (res2);
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return status;
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}
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else
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return NIS_FAIL;
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}
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libnsl_hidden_nolink_def (nis_addmember, GLIBC_2_1)
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