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annotate lib/set-acl.c @ 17814:f50001a9c124

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author Karl Berry <karl@freefriends.org>
date Wed, 03 Dec 2014 07:04:40 -0800
parents 344018b6e5d7
children ab58d4870664
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1 /* set-acl.c - set access control list equivalent to a mode
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2
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3 Copyright (C) 2002-2003, 2005-2014 Free Software Foundation, Inc.
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4
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5 This program is free software: you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 3 of the License, or
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8 (at your option) any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program. If not, see <http://www.gnu.org/licenses/>.
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17
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18 Written by Paul Eggert and Andreas Gruenbacher, and Bruno Haible. */
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19
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20 #include <config.h>
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21
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22 #include "acl.h"
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23
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24 #include <errno.h>
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25
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26 #include "quote.h"
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27 #include "error.h"
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28 #include "gettext.h"
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29 #define _(msgid) gettext (msgid)
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30
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31
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32 /* Set the access control lists of a file. If DESC is a valid file
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33 descriptor, use file descriptor operations where available, else use
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34 filename based operations on NAME. If access control lists are not
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35 available, fchmod the target file to MODE. Also sets the
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36 non-permission bits of the destination file (S_ISUID, S_ISGID, S_ISVTX)
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37 to those from MODE if any are set.
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38 Return 0 if successful. On failure, output a diagnostic, set errno and
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39 return -1. */
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40
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41 int
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42 set_acl (char const *name, int desc, mode_t mode)
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43 {
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44 int ret = qset_acl (name, desc, mode);
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45 if (ret != 0)
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46 error (0, errno, _("setting permissions for %s"), quote (name));
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47 return ret;
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48 }