mirror of
https://github.com/containers/podman.git
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df4905d68b
Fixes: https://issues.redhat.com/browse/RUN-3578 Signed-off-by: Nicola Sella <nsella@redhat.com>
57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
//go:build linux
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// SPDX-License-Identifier: MPL-2.0
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/*
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* libpathrs: safe path resolution on Linux
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* Copyright (C) 2019-2025 Aleksa Sarai <cyphar@cyphar.com>
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* Copyright (C) 2019-2025 SUSE LLC
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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package pathrs
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import (
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"fmt"
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"os"
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"golang.org/x/sys/unix"
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)
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//nolint:cyclop // this function needs to handle a lot of cases
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func toUnixMode(mode os.FileMode, needsType bool) (uint32, error) {
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sysMode := uint32(mode.Perm())
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switch mode & os.ModeType { //nolint:exhaustive // we only care about ModeType bits
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case 0:
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if needsType {
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sysMode |= unix.S_IFREG
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}
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case os.ModeDir:
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sysMode |= unix.S_IFDIR
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case os.ModeSymlink:
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sysMode |= unix.S_IFLNK
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case os.ModeCharDevice | os.ModeDevice:
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sysMode |= unix.S_IFCHR
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case os.ModeDevice:
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sysMode |= unix.S_IFBLK
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case os.ModeNamedPipe:
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sysMode |= unix.S_IFIFO
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case os.ModeSocket:
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sysMode |= unix.S_IFSOCK
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default:
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return 0, fmt.Errorf("invalid mode filetype %+o", mode)
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}
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if mode&os.ModeSetuid != 0 {
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sysMode |= unix.S_ISUID
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}
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if mode&os.ModeSetgid != 0 {
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sysMode |= unix.S_ISGID
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}
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if mode&os.ModeSticky != 0 {
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sysMode |= unix.S_ISVTX
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}
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return sysMode, nil
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}
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