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authorbaude <bbaude@redhat.com>2018-02-14 12:51:06 -0600
committerAtomic Bot <atomic-devel@projectatomic.io>2018-02-15 00:20:47 +0000
commitbe9ed1cfacc19d1ad3c09e10481da445615b8b8e (patch)
tree1c0c01daf5b43c6139e37408be601475c1dcea41 /vendor/github.com/cyphar/filepath-securejoin/vfs.go
parentd051dc38d81920c94c37b20ceba0d33b35299bca (diff)
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Privileged containers should inherit host devices
When running a privileged container, it should inherit the same devices the host has. Signed-off-by: baude <bbaude@redhat.com> Closes: #330 Approved by: mheon
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+// Copyright (C) 2017 SUSE LLC. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package securejoin
+
+import "os"
+
+// In future this should be moved into a separate package, because now there
+// are several projects (umoci and go-mtree) that are using this sort of
+// interface.
+
+// VFS is the minimal interface necessary to use SecureJoinVFS. A nil VFS is
+// equivalent to using the standard os.* family of functions. This is mainly
+// used for the purposes of mock testing, but also can be used to otherwise use
+// SecureJoin with VFS-like system.
+type VFS interface {
+ // Lstat returns a FileInfo describing the named file. If the file is a
+ // symbolic link, the returned FileInfo describes the symbolic link. Lstat
+ // makes no attempt to follow the link. These semantics are identical to
+ // os.Lstat.
+ Lstat(name string) (os.FileInfo, error)
+
+ // Readlink returns the destination of the named symbolic link. These
+ // semantics are identical to os.Readlink.
+ Readlink(name string) (string, error)
+}
+
+// osVFS is the "nil" VFS, in that it just passes everything through to the os
+// module.
+type osVFS struct{}
+
+// Lstat returns a FileInfo describing the named file. If the file is a
+// symbolic link, the returned FileInfo describes the symbolic link. Lstat
+// makes no attempt to follow the link. These semantics are identical to
+// os.Lstat.
+func (o osVFS) Lstat(name string) (os.FileInfo, error) { return os.Lstat(name) }
+
+// Readlink returns the destination of the named symbolic link. These
+// semantics are identical to os.Readlink.
+func (o osVFS) Readlink(name string) (string, error) { return os.Readlink(name) }