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(* guestfs-inspection
* Copyright (C) 2009-2020 Red Hat 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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*)
open Printf
open Unix
let rec is_file ?(followsymlinks = false) path =
is "is_file" S_REG followsymlinks path
and is_dir ?(followsymlinks = false) path =
is "is_dir" S_DIR followsymlinks path
and is_symlink path =
is "is_symlink" S_LNK false path
and is func expected_kind followsymlinks path =
let chroot = Chroot.create ~name:(sprintf "%s: %s" func path) () in
let kind =
Chroot.f chroot (
fun () ->
let statfun = if followsymlinks then stat else lstat in
try
let statbuf = statfun path in
Some statbuf.st_kind
with
Unix_error ((ENOENT|ENOTDIR), _, _) ->
None (* File doesn't exist => return None *)
) () in
kind = Some expected_kind
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