Bootstrap Mojo IPC independent of Chrome IPC

mojo/edk/embedder/embedder.h

 // 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.
 
 #ifndef MOJO_EDK_EMBEDDER_EMBEDDER_H_
 #define MOJO_EDK_EMBEDDER_EMBEDDER_H_
 
 #include <stddef.h>
 
 #include <string>
@@ skipping 21 matching lines @@
 // -- see test_embedder.h).
 
 // Allows changing the default max message size. Must be called before Init.
 MOJO_SYSTEM_IMPL_EXPORT void SetMaxMessageSize(size_t bytes);
 
 // Called in the parent process for each child process that is launched. The
 // returned handle must be sent to the child process which then calls
 // SetParentPipeHandle.
 MOJO_SYSTEM_IMPL_EXPORT ScopedPlatformHandle ChildProcessLaunched(
     base::ProcessHandle child_process);
+
 // Like above, except used when the embedder establishes the pipe between the
 // parent and child processes itself.
 MOJO_SYSTEM_IMPL_EXPORT void ChildProcessLaunched(
     base::ProcessHandle child_process, ScopedPlatformHandle server_pipe);
 
+// Also like above, except used when the embedder has additionally passed an
+// out-of-band secret to the child process which must be received on this
+// |server_pipe| and validated before a working pipe can be established.
+//
+// NOTE: This should only be used to support Windows named pipes.
+MOJO_SYSTEM_IMPL_EXPORT void ChildProcessLaunched(
+    base::ProcessHandle child_process,
+    ScopedPlatformHandle server_pipe,
+    const std::string& secret);
+
 // Should be called as early as possible in the child process with the handle
 // that the parent received from ChildProcessLaunched.
 MOJO_SYSTEM_IMPL_EXPORT void SetParentPipeHandle(ScopedPlatformHandle pipe);
 
+// Like above, except used when the parent has passed the child an out-of-band
+// secret which must be sent on |pipe| before a working pipe can be established.
+//
+// NOTE: This should only be used to support Windows named pipes.
+MOJO_SYSTEM_IMPL_EXPORT void SetParentPipeHandle(ScopedPlatformHandle pipe,
+                                                 const std::string& secret);
+
 // Must be called first, or just after setting configuration parameters, to
 // initialize the (global, singleton) system.
 MOJO_SYSTEM_IMPL_EXPORT void Init();
 
 // Basic functions -------------------------------------------------------------
 
 // The functions in this section are available once |Init()| has been called.
 
 // Start waiting on the handle asynchronously. On success, |callback| will be
 // called exactly once, when |handle| satisfies a signal in |signals| or it
@@ skipping 88 matching lines @@
 
 // Generates a random ASCII token string for use with CreateParentMessagePipe()
 // and CreateChildMessagePipe() above. The generated token is suitably random so
 // as to not have to worry about collisions with other generated tokens.
 MOJO_SYSTEM_IMPL_EXPORT std::string GenerateRandomToken();
 
 }  // namespace edk
 }  // namespace mojo
 
 #endif  // MOJO_EDK_EMBEDDER_EMBEDDER_H_