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52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/* Copy access control list from one file to another. -*- coding: utf-8 -*-
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Copyright (C) 2002-2003, 2005-2020 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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Written by Paul Eggert, Andreas Grünbacher, and Bruno Haible. */
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#include <config.h>
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#include "acl.h"
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#include "acl-internal.h"
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/* Copy access control lists from one file to another. If SOURCE_DESC is
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a valid file descriptor, use file descriptor operations, else use
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filename based operations on SRC_NAME. Likewise for DEST_DESC and
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DST_NAME.
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If access control lists are not available, fchmod the target file to
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MODE. Also sets the non-permission bits of the destination file
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(S_ISUID, S_ISGID, S_ISVTX) to those from MODE if any are set.
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Return 0 if successful.
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Return -2 and set errno for an error relating to the source file.
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Return -1 and set errno for an error relating to the destination file. */
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int
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qcopy_acl (const char *src_name, int source_desc, const char *dst_name,
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int dest_desc, mode_t mode)
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{
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struct permission_context ctx;
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int ret;
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ret = get_permissions (src_name, source_desc, mode, &ctx);
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if (ret != 0)
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return -2;
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ret = set_permissions (&ctx, dst_name, dest_desc);
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free_permission_context (&ctx);
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return ret;
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}
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