IPC outgoing message filters interpose yourself in a message stream. Minimally invasive baseline for building IPC tests to abuse browser along the lines of a compromised renderer.

Review URL: http://codereview.chromium.org/6711024

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@84076 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 7 insertions, 2 deletions

diff --git a/ipc/ipc_channel_proxy.cc b/ipc/ipc_channel_proxy.cc
index 8f981f4..cbc18bc 100644
--- a/ipc/ipc_channel_proxy.cc
+++ b/ipc/ipc_channel_proxy.cc
@@ -283,7 +283,8 @@ ChannelProxy::ChannelProxy(const IPC::ChannelHandle& channel_handle,
                            Channel::Mode mode,
                            Channel::Listener* listener,
                            base::MessageLoopProxy* ipc_thread)
-    : context_(new Context(listener, ipc_thread)) {
+    : context_(new Context(listener, ipc_thread)),
+      outgoing_message_filter_(NULL) {
   Init(channel_handle, mode, ipc_thread, true);
 }
 
@@ -292,7 +293,8 @@ ChannelProxy::ChannelProxy(const IPC::ChannelHandle& channel_handle,
                            base::MessageLoopProxy* ipc_thread,
                            Context* context,
                            bool create_pipe_now)
-    : context_(context) {
+    : context_(context),
+      outgoing_message_filter_(NULL) {
   Init(channel_handle, mode, ipc_thread, create_pipe_now);
 }
 
@@ -343,6 +345,9 @@ void ChannelProxy::Close() {
 }
 
 bool ChannelProxy::Send(Message* message) {
+  if (outgoing_message_filter())
+    message = outgoing_message_filter()->Rewrite(message);
+
 #ifdef IPC_MESSAGE_LOG_ENABLED
   Logging::GetInstance()->OnSendMessage(message, context_->channel_id());
 #endif