mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-26 07:33:47 +00:00
52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/* Copy access control list from one file to another. -*- coding: utf-8 -*-
|
|
|
|
Copyright (C) 2002-2003, 2005-2023 Free Software Foundation, Inc.
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
Written by Paul Eggert, Andreas Grünbacher, and Bruno Haible. */
|
|
|
|
#include <config.h>
|
|
|
|
#include "acl.h"
|
|
|
|
#include "acl-internal.h"
|
|
|
|
|
|
/* Copy access control lists from one file to another. If SOURCE_DESC is
|
|
a valid file descriptor, use file descriptor operations, else use
|
|
filename based operations on SRC_NAME. Likewise for DEST_DESC and
|
|
DST_NAME.
|
|
If access control lists are not available, fchmod the target file to
|
|
MODE. Also sets the non-permission bits of the destination file
|
|
(S_ISUID, S_ISGID, S_ISVTX) to those from MODE if any are set.
|
|
Return 0 if successful.
|
|
Return -2 and set errno for an error relating to the source file.
|
|
Return -1 and set errno for an error relating to the destination file. */
|
|
|
|
int
|
|
qcopy_acl (const char *src_name, int source_desc, const char *dst_name,
|
|
int dest_desc, mode_t mode)
|
|
{
|
|
struct permission_context ctx;
|
|
int ret;
|
|
|
|
ret = get_permissions (src_name, source_desc, mode, &ctx);
|
|
if (ret != 0)
|
|
return -2;
|
|
ret = set_permissions (&ctx, dst_name, dest_desc);
|
|
free_permission_context (&ctx);
|
|
return ret;
|
|
}
|