src/content/browser/renderer_host/sandbox_ipc_linux.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // http://code.google.com/p/chromium/wiki/LinuxSandboxIPC
   6
   7 #ifndef CONTENT_BROWSER_RENDERER_HOST_SANDBOX_IPC_H_
   8 #define CONTENT_BROWSER_RENDERER_HOST_SANDBOX_IPC_H_
   9
  10 #include <vector>
  11
  12 #include "base/files/scoped_file.h"
  13 #include "base/memory/scoped_ptr.h"
  14 #include "base/pickle.h"
  15 #include "base/threading/simple_thread.h"
  16 #include "content/child/blink_platform_impl.h"
  17 #include "skia/ext/skia_utils_base.h"
  18
  19 namespace content {
  20
  21 class SandboxIPCHandler : public base::DelegateSimpleThread::Delegate {
  22  public:
  23   // lifeline_fd: the read end of a pipe which the main thread holds
  24   // the other end of.
  25   // browser_socket: the browser's end of the sandbox IPC socketpair.
  26   SandboxIPCHandler(int lifeline_fd, int browser_socket);
  27   ~SandboxIPCHandler() override;
  28
  29   void Run() override;
  30
  31  private:
  32   void EnsureWebKitInitialized();
  33
  34   int FindOrAddPath(const SkString& path);
  35
  36   void HandleRequestFromRenderer(int fd);
  37
  38   void HandleFontMatchRequest(int fd,
  39                               const Pickle& pickle,
  40                               PickleIterator iter,
  41                               const std::vector<base::ScopedFD*>& fds);
  42
  43   void HandleFontOpenRequest(int fd,
  44                              const Pickle& pickle,
  45                              PickleIterator iter,
  46                              const std::vector<base::ScopedFD*>& fds);
  47
  48   void HandleGetFallbackFontForChar(int fd,
  49                                   const Pickle& pickle,
  50                                   PickleIterator iter,
  51                                   const std::vector<base::ScopedFD*>& fds);
  52
  53   void HandleGetStyleForStrike(int fd,
  54                                const Pickle& pickle,
  55                                PickleIterator iter,
  56                                const std::vector<base::ScopedFD*>& fds);
  57
  58   void HandleLocaltime(int fd,
  59                        const Pickle& pickle,
  60                        PickleIterator iter,
  61                        const std::vector<base::ScopedFD*>& fds);
  62
  63   void HandleMakeSharedMemorySegment(int fd,
  64                                      const Pickle& pickle,
  65                                      PickleIterator iter,
  66                                      const std::vector<base::ScopedFD*>& fds);
  67
  68   void HandleMatchWithFallback(int fd,
  69                                const Pickle& pickle,
  70                                PickleIterator iter,
  71                                const std::vector<base::ScopedFD*>& fds);
  72
  73   void SendRendererReply(const std::vector<base::ScopedFD*>& fds,
  74                          const Pickle& reply,
  75                          int reply_fd);
  76
  77   const int lifeline_fd_;
  78   const int browser_socket_;
  79   scoped_ptr<BlinkPlatformImpl> blink_platform_impl_;
  80   SkTDArray<SkString*> paths_;
  81
  82   DISALLOW_COPY_AND_ASSIGN(SandboxIPCHandler);
  83 };
  84
  85 }  // namespace content
  86
  87 #endif  // CONTENT_BROWSER_RENDERER_HOST_SANDBOX_IPC_H_