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Sourcecode: acl version File versions

acl_from_mode.c

/*
  File: acl_from_mode.c

  Copyright (C) 1999, 2000
  Andreas Gruenbacher, <a.gruenbacher@computer.org>

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU Library General Public
  License as published by the Free Software Foundation; either
  version 2 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
  Library General Public License for more details.

  You should have received a copy of the GNU Library General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/

#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <sys/stat.h>
#include <acl/libacl.h>
#include "libacl.h"


/*
  Create an ACL from a file mode.

  returns
      the new ACL.
*/

acl_t
acl_from_mode(mode_t mode)
{
      acl_obj *acl_obj_p;
      acl_entry_obj *entry_obj_p;

      acl_obj_p = __acl_init_obj(3);
      if (!acl_obj_p)
            goto fail;

      entry_obj_p = __acl_create_entry_obj(acl_obj_p);
      if (!entry_obj_p)
            goto fail;
      entry_obj_p->etag = ACL_USER_OBJ;
      entry_obj_p->eid.qid = ACL_UNDEFINED_ID;
      entry_obj_p->eperm.sperm = (mode & S_IRWXU) >> 6;

      entry_obj_p = __acl_create_entry_obj(acl_obj_p);
      if (!entry_obj_p)
            goto fail;
      entry_obj_p->etag = ACL_GROUP_OBJ;
      entry_obj_p->eid.qid = ACL_UNDEFINED_ID;
      entry_obj_p->eperm.sperm = (mode & S_IRWXG) >> 3;

      entry_obj_p = __acl_create_entry_obj(acl_obj_p);
      if (!entry_obj_p)
            goto fail;
      entry_obj_p->etag = ACL_OTHER;
      entry_obj_p->eid.qid = ACL_UNDEFINED_ID;
      entry_obj_p->eperm.sperm = mode & S_IRWXO;
      return int2ext(acl_obj_p);

fail:
      __acl_free_acl_obj(acl_obj_p);
      return NULL;
}


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