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e0ef8362c0
Since this will be required by the runc security update I bump it hare already to make the runc bump easier. Note while there is 0.6.0 out we use 0.5.1 intentionally as 0.6 comes with breaking changes that won't build in our dependencies. Also note the lib now contains code licensed under MPL-2 which is not yet approved by the CNCF[1] but because the runc fix requires it we were advised to just go ahead and update it for now. [1] https://github.com/cncf/foundation/issues/1154 Signed-off-by: Paul Holzinger <pholzing@redhat.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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