1  /* Copy access control list from one file to file.  -*- coding: utf-8 -*-
       2  
       3     Copyright (C) 2002-2003, 2005-2022 Free Software Foundation, Inc.
       4  
       5     This program is free software: you can redistribute it and/or modify
       6     it under the terms of the GNU General Public License as published by
       7     the Free Software Foundation, either version 3 of the License, or
       8     (at your option) any later version.
       9  
      10     This program is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13     GNU General Public License for more details.
      14  
      15     You should have received a copy of the GNU General Public License
      16     along with this program.  If not, see <https://www.gnu.org/licenses/>.
      17  
      18     Written by Paul Eggert, Andreas Grünbacher, and Bruno Haible.  */
      19  
      20  #include <config.h>
      21  
      22  #include "acl.h"
      23  
      24  #include <errno.h>
      25  
      26  #include "quote.h"
      27  #include "error.h"
      28  #include "gettext.h"
      29  #define _(msgid) gettext (msgid)
      30  
      31  
      32  /* Copy access control lists from one file to another. If SOURCE_DESC is
      33     a valid file descriptor, use file descriptor operations, else use
      34     filename based operations on SRC_NAME. Likewise for DEST_DESC and
      35     DST_NAME.
      36     If access control lists are not available, fchmod the target file to
      37     MODE.  Also sets the non-permission bits of the destination file
      38     (S_ISUID, S_ISGID, S_ISVTX) to those from MODE if any are set.
      39     Return 0 if successful, otherwise output a diagnostic and return a
      40     negative error code.  */
      41  
      42  int
      43  copy_acl (const char *src_name, int source_desc, const char *dst_name,
      44            int dest_desc, mode_t mode)
      45  {
      46    int ret = qcopy_acl (src_name, source_desc, dst_name, dest_desc, mode);
      47    switch (ret)
      48      {
      49      case -2:
      50        error (0, errno, "%s", quote (src_name));
      51        break;
      52  
      53      case -1:
      54        error (0, errno, _("preserving permissions for %s"), quote (dst_name));
      55        break;
      56  
      57      default:
      58        break;
      59      }
      60    return ret;
      61  }