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diff --git a/sandbox/src/acl.h b/sandbox/src/acl.h
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef SANDBOX_SRC_ACL_H_
+#define SANDBOX_SRC_ACL_H_
+
+#include <windows.h>
+
+#include "base/scoped_ptr.h"
+#include "sandbox/src/sid.h"
+
+namespace sandbox {
+
+// Returns the default dacl from the token passed in.
+bool GetDefaultDacl(HANDLE token, scoped_ptr<TOKEN_DEFAULT_DACL>* default_dacl);
+
+// Appends an ACE represented by |sid| and |access| to |old_dacl|. If the
+// function succeeds, new_dacl contains the new dacl and must be freed using
+// LocalFree.
+bool AddSidToDacl(const Sid& sid, ACL* old_dacl, ACCESS_MASK access,
+                  ACL** new_dacl);
+
+// Adds and ACE represented by |sid| and |access| to the default dacl present
+// in the token.
+bool AddSidToDefaultDacl(HANDLE token, const Sid& sid, ACCESS_MASK access);
+
+// Adds an ACE represented by the user sid and |access| to the default dacl
+// present in the token.
+bool AddUserSidToDefaultDacl(HANDLE token, ACCESS_MASK access);
+
+// Adds an ACE represented by |known_sid| and |access| to the dacl of the kernel
+// object referenced by |object|.
+bool AddKnownSidToKernelObject(HANDLE object, const Sid& sid,
+                               ACCESS_MASK access);
+
+}  // namespace sandbox
+
+
+#endif  // SANDBOX_SRC_ACL_H