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rebase: update kubernetes dep to 1.24.0
As kubernetes 1.24.0 is released, updating kubernetes dependencies to 1.24.0 updates: #3086 Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
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commit
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19
vendor/github.com/cyphar/filepath-securejoin/.travis.yml
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vendor/github.com/cyphar/filepath-securejoin/.travis.yml
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# Copyright (C) 2017 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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language: go
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go:
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- 1.7.x
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- 1.8.x
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- tip
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os:
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- linux
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- osx
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script:
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- go test -cover -v ./...
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notifications:
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email: false
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28
vendor/github.com/cyphar/filepath-securejoin/LICENSE
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vendor/github.com/cyphar/filepath-securejoin/LICENSE
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Copyright (C) 2014-2015 Docker Inc & Go Authors. All rights reserved.
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Copyright (C) 2017 SUSE LLC. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Google Inc. nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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65
vendor/github.com/cyphar/filepath-securejoin/README.md
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vendor/github.com/cyphar/filepath-securejoin/README.md
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## `filepath-securejoin` ##
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[](https://travis-ci.org/cyphar/filepath-securejoin)
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An implementation of `SecureJoin`, a [candidate for inclusion in the Go
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standard library][go#20126]. The purpose of this function is to be a "secure"
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alternative to `filepath.Join`, and in particular it provides certain
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guarantees that are not provided by `filepath.Join`.
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This is the function prototype:
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```go
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func SecureJoin(root, unsafePath string) (string, error)
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```
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This library **guarantees** the following:
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* If no error is set, the resulting string **must** be a child path of
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`SecureJoin` and will not contain any symlink path components (they will all
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be expanded).
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* When expanding symlinks, all symlink path components **must** be resolved
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relative to the provided root. In particular, this can be considered a
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userspace implementation of how `chroot(2)` operates on file paths. Note that
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these symlinks will **not** be expanded lexically (`filepath.Clean` is not
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called on the input before processing).
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* Non-existant path components are unaffected by `SecureJoin` (similar to
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`filepath.EvalSymlinks`'s semantics).
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* The returned path will always be `filepath.Clean`ed and thus not contain any
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`..` components.
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A (trivial) implementation of this function on GNU/Linux systems could be done
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with the following (note that this requires root privileges and is far more
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opaque than the implementation in this library, and also requires that
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`readlink` is inside the `root` path):
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```go
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package securejoin
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import (
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"os/exec"
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"path/filepath"
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)
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func SecureJoin(root, unsafePath string) (string, error) {
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unsafePath = string(filepath.Separator) + unsafePath
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cmd := exec.Command("chroot", root,
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"readlink", "--canonicalize-missing", "--no-newline", unsafePath)
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output, err := cmd.CombinedOutput()
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if err != nil {
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return "", err
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}
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expanded := string(output)
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return filepath.Join(root, expanded), nil
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}
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```
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[go#20126]: https://github.com/golang/go/issues/20126
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### License ###
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The license of this project is the same as Go, which is a BSD 3-clause license
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available in the `LICENSE` file.
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1
vendor/github.com/cyphar/filepath-securejoin/VERSION
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vendor/github.com/cyphar/filepath-securejoin/VERSION
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0.2.2
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vendor/github.com/cyphar/filepath-securejoin/join.go
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vendor/github.com/cyphar/filepath-securejoin/join.go
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// Copyright (C) 2014-2015 Docker Inc & Go Authors. All rights reserved.
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// Copyright (C) 2017 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 is an implementation of the hopefully-soon-to-be-included
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// SecureJoin helper that is meant to be part of the "path/filepath" package.
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// The purpose of this project is to provide a PoC implementation to make the
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// SecureJoin proposal (https://github.com/golang/go/issues/20126) more
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// tangible.
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package securejoin
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import (
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"bytes"
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"os"
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"path/filepath"
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"strings"
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"syscall"
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"github.com/pkg/errors"
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)
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// ErrSymlinkLoop is returned by SecureJoinVFS when too many symlinks have been
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// evaluated in attempting to securely join the two given paths.
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var ErrSymlinkLoop = errors.Wrap(syscall.ELOOP, "secure join")
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// IsNotExist tells you if err is an error that implies that either the path
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// accessed does not exist (or path components don't exist). This is
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// effectively a more broad version of os.IsNotExist.
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func IsNotExist(err error) bool {
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// If it's a bone-fide ENOENT just bail.
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if os.IsNotExist(errors.Cause(err)) {
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return true
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}
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// Check that it's not actually an ENOTDIR, which in some cases is a more
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// convoluted case of ENOENT (usually involving weird paths).
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var errno error
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switch err := errors.Cause(err).(type) {
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case *os.PathError:
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errno = err.Err
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case *os.LinkError:
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errno = err.Err
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case *os.SyscallError:
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errno = err.Err
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}
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return errno == syscall.ENOTDIR || errno == syscall.ENOENT
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}
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// SecureJoinVFS joins the two given path components (similar to Join) except
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// that the returned path is guaranteed to be scoped inside the provided root
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// path (when evaluated). Any symbolic links in the path are evaluated with the
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// given root treated as the root of the filesystem, similar to a chroot. The
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// filesystem state is evaluated through the given VFS interface (if nil, the
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// standard os.* family of functions are used).
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//
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// Note that the guarantees provided by this function only apply if the path
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// components in the returned string are not modified (in other words are not
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// replaced with symlinks on the filesystem) after this function has returned.
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// Such a symlink race is necessarily out-of-scope of SecureJoin.
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func SecureJoinVFS(root, unsafePath string, vfs VFS) (string, error) {
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// Use the os.* VFS implementation if none was specified.
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if vfs == nil {
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vfs = osVFS{}
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}
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var path bytes.Buffer
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n := 0
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for unsafePath != "" {
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if n > 255 {
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return "", ErrSymlinkLoop
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}
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// Next path component, p.
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i := strings.IndexRune(unsafePath, filepath.Separator)
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var p string
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if i == -1 {
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p, unsafePath = unsafePath, ""
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} else {
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p, unsafePath = unsafePath[:i], unsafePath[i+1:]
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}
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// Create a cleaned path, using the lexical semantics of /../a, to
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// create a "scoped" path component which can safely be joined to fullP
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// for evaluation. At this point, path.String() doesn't contain any
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// symlink components.
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cleanP := filepath.Clean(string(filepath.Separator) + path.String() + p)
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if cleanP == string(filepath.Separator) {
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path.Reset()
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continue
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}
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fullP := filepath.Clean(root + cleanP)
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// Figure out whether the path is a symlink.
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fi, err := vfs.Lstat(fullP)
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if err != nil && !IsNotExist(err) {
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return "", err
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}
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// Treat non-existent path components the same as non-symlinks (we
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// can't do any better here).
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if IsNotExist(err) || fi.Mode()&os.ModeSymlink == 0 {
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path.WriteString(p)
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path.WriteRune(filepath.Separator)
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continue
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}
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// Only increment when we actually dereference a link.
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n++
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// It's a symlink, expand it by prepending it to the yet-unparsed path.
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dest, err := vfs.Readlink(fullP)
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if err != nil {
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return "", err
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}
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// Absolute symlinks reset any work we've already done.
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if filepath.IsAbs(dest) {
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path.Reset()
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}
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unsafePath = dest + string(filepath.Separator) + unsafePath
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}
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// We have to clean path.String() here because it may contain '..'
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// components that are entirely lexical, but would be misleading otherwise.
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// And finally do a final clean to ensure that root is also lexically
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// clean.
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fullP := filepath.Clean(string(filepath.Separator) + path.String())
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return filepath.Clean(root + fullP), nil
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}
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// SecureJoin is a wrapper around SecureJoinVFS that just uses the os.* library
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// of functions as the VFS. If in doubt, use this function over SecureJoinVFS.
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func SecureJoin(root, unsafePath string) (string, error) {
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return SecureJoinVFS(root, unsafePath, nil)
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}
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1
vendor/github.com/cyphar/filepath-securejoin/vendor.conf
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vendor/github.com/cyphar/filepath-securejoin/vendor.conf
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github.com/pkg/errors v0.8.0
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vendor/github.com/cyphar/filepath-securejoin/vfs.go
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vendor/github.com/cyphar/filepath-securejoin/vfs.go
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// Copyright (C) 2017 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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// SecureJoin with VFS-like system.
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type VFS interface {
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// Lstat returns a FileInfo describing the named file. If the file is a
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// symbolic link, the returned FileInfo describes the symbolic link. Lstat
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// makes no attempt to follow the link. These semantics are identical to
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// 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. These
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// 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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// Lstat returns a FileInfo describing the named file. If the file is a
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// symbolic link, the returned FileInfo describes the symbolic link. Lstat
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// makes no attempt to follow the link. These semantics are identical to
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// os.Lstat.
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func (o osVFS) Lstat(name string) (os.FileInfo, error) { return os.Lstat(name) }
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// Readlink returns the destination of the named symbolic link. These
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// semantics are identical to os.Readlink.
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func (o osVFS) Readlink(name string) (string, error) { return os.Readlink(name) }
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