| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // This file is used to handle differences in Mach message IDs and structures |
| // that occur between different OS versions. The Mach messages that the sandbox |
| // is interested in are decoded using information derived from the open-source |
| // libraries, i.e. <http://www.opensource.apple.com/source/launchd/>. While |
| // these messages definitions are open source, they are not considered part of |
| // the stable OS API, and so differences do exist between OS versions. |
| |
| #ifndef SANDBOX_MAC_OS_COMPATIBILITY_H_ |
| #define SANDBOX_MAC_OS_COMPATIBILITY_H_ |
| |
| #include <mach/mach.h> |
| #include <stdint.h> |
| |
| #include <string> |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "sandbox/mac/message_server.h" |
| |
| namespace sandbox { |
| |
| class OSCompatibility { |
| public: |
| // Creates an OSCompatibility instance for the current OS X version. |
| static scoped_ptr<OSCompatibility> CreateForPlatform(); |
| |
| virtual ~OSCompatibility(); |
| |
| // Gets the message and subsystem ID of an IPC message. |
| virtual uint64_t GetMessageSubsystem(const IPCMessage message) = 0; |
| virtual uint64_t GetMessageID(const IPCMessage message) = 0; |
| |
| // Returns true if the message is a Launchd look up request. |
| virtual bool IsServiceLookUpRequest(const IPCMessage message) = 0; |
| |
| // Returns true if the message is a Launchd vproc swap_integer request. |
| virtual bool IsVprocSwapInteger(const IPCMessage message) = 0; |
| |
| // Returns true if the message is an XPC domain management message. |
| virtual bool IsXPCDomainManagement(const IPCMessage message) = 0; |
| |
| // A function to take a look_up2 message and return the string service name |
| // that was requested via the message. |
| virtual std::string GetServiceLookupName(const IPCMessage message) = 0; |
| |
| // A function to formulate a reply to a look_up2 message, given the reply |
| // message and the port to return as the service. |
| virtual void WriteServiceLookUpReply(IPCMessage reply, |
| mach_port_t service_port) = 0; |
| |
| // A function to take a swap_integer message and return true if the message |
| // is only getting the value of a key, neither setting it directly, nor |
| // swapping two keys. |
| virtual bool IsSwapIntegerReadOnly(const IPCMessage message) = 0; |
| }; |
| |
| } // namespace sandbox |
| |
| #endif // SANDBOX_MAC_OS_COMPATIBILITY_H_ |