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77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: sw=4 ts=4 et :
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GMP_LOADER_H__
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#define GMP_LOADER_H__
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#include <stdint.h>
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#include "gmp-entrypoints.h"
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namespace mozilla {
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namespace gmp {
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class SandboxStarter {
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public:
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virtual ~SandboxStarter() {}
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virtual void Start(const char* aLibPath) = 0;
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};
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#if defined(XP_MACOSX)
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#define SANDBOX_NOT_STATICALLY_LINKED_INTO_PLUGIN_CONTAINER 1
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#endif
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// Encapsulates generating the device-bound node id, activating the sandbox,
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// loading the GMP, and passing the node id to the GMP (in that order).
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//
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// In Desktop Gecko, the implementation of this lives in plugin-container,
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// and is passed into XUL code from on startup. The GMP IPC child protocol actor
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// uses this interface to load and retrieve interfaces from the GMPs.
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//
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// In Desktop Gecko the implementation lives in the plugin-container so that
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// it can be covered by DRM vendor's voucher.
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//
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// On Android the GMPLoader implementation lives in libxul (because for the time
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// being GMPLoader relies upon NSPR, which we can't use in plugin-container
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// on Android).
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//
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// There is exactly one GMPLoader per GMP child process, and only one GMP
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// per child process (so the GMPLoader only loads one GMP).
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class GMPLoader {
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public:
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virtual ~GMPLoader() {}
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// Calculates the device-bound node id, then activates the sandbox,
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// then loads the GMP library and (if applicable) passes the bound node id
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// to the GMP.
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virtual bool Load(const char* aLibPath,
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uint32_t aLibPathLen,
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char* aOriginSalt,
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uint32_t aOriginSaltLen,
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const GMPPlatformAPI* aPlatformAPI) = 0;
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// Retrieves an interface pointer from the GMP.
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virtual GMPErr GetAPI(const char* aAPIName, void* aHostAPI, void** aPluginAPI) = 0;
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// Calls the GMPShutdown function exported by the GMP lib, and unloads the
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// plugin library.
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virtual void Shutdown() = 0;
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#ifdef SANDBOX_NOT_STATICALLY_LINKED_INTO_PLUGIN_CONTAINER
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// Encapsulates starting the sandbox on Linux and MacOSX.
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// TODO: Remove this, and put sandbox in plugin-container on all platforms.
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virtual void SetStartSandboxStarter(SandboxStarter* aStarter) = 0;
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#endif
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};
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// On Desktop, this function resides in plugin-container.
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// On Mobile, this function resides in XUL.
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GMPLoader* CreateGMPLoader(SandboxStarter* aStarter);
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} // namespace gmp
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} // namespace mozilla
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#endif // GMP_LOADER_H__
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