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Aleksa Sarai
44a0fcf685
In order to avoid lint errors due to the deprecation of the top-level securejoin methods ported from libpathrs, we need to adjust internal/pathrs to use the new pathrs-lite subpackage instead. Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
38 lines
1.4 KiB
Go
38 lines
1.4 KiB
Go
// SPDX-License-Identifier: BSD-3-Clause
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// Copyright (C) 2017-2024 SUSE LLC. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package securejoin
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import "os"
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// In future this should be moved into a separate package, because now there
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// are several projects (umoci and go-mtree) that are using this sort of
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// interface.
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// VFS is the minimal interface necessary to use [SecureJoinVFS]. A nil VFS is
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// equivalent to using the standard [os].* family of functions. This is mainly
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// used for the purposes of mock testing, but also can be used to otherwise use
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// [SecureJoinVFS] with VFS-like system.
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type VFS interface {
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// Lstat returns an [os.FileInfo] describing the named file. If the
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// file is a symbolic link, the returned [os.FileInfo] describes the
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// symbolic link. Lstat makes no attempt to follow the link.
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// The semantics are identical to [os.Lstat].
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Lstat(name string) (os.FileInfo, error)
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// Readlink returns the destination of the named symbolic link.
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// The semantics are identical to [os.Readlink].
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Readlink(name string) (string, error)
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}
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// osVFS is the "nil" VFS, in that it just passes everything through to the os
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// module.
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type osVFS struct{}
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func (o osVFS) Lstat(name string) (os.FileInfo, error) { return os.Lstat(name) }
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func (o osVFS) Readlink(name string) (string, error) { return os.Readlink(name) }
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