1 files changed, 95 insertions, 0 deletions
diff --git a/sandbox/src/named_pipe_interception.cc b/sandbox/src/named_pipe_interception.cc
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+++ b/sandbox/src/named_pipe_interception.cc
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "sandbox/src/named_pipe_interception.h"
+
+#include "sandbox/src/crosscall_client.h"
+#include "sandbox/src/ipc_tags.h"
+#include "sandbox/src/policy_params.h"
+#include "sandbox/src/policy_target.h"
+#include "sandbox/src/sandbox_factory.h"
+#include "sandbox/src/sandbox_nt_util.h"
+#include "sandbox/src/sharedmem_ipc_client.h"
+#include "sandbox/src/target_services.h"
+
+namespace sandbox {
+
+HANDLE WINAPI TargetCreateNamedPipeW(
+    CreateNamedPipeWFunction orig_CreateNamedPipeW, LPCWSTR pipe_name,
+    DWORD open_mode, DWORD pipe_mode, DWORD max_instance, DWORD out_buffer_size,
+    DWORD in_buffer_size, DWORD default_timeout,
+    LPSECURITY_ATTRIBUTES security_attributes) {
+  HANDLE pipe = orig_CreateNamedPipeW(pipe_name, open_mode, pipe_mode,
+                                      max_instance, out_buffer_size,
+                                      in_buffer_size, default_timeout,
+                                      security_attributes);
+  if (INVALID_HANDLE_VALUE != pipe)
+    return pipe;
+
+  DWORD original_error = ::GetLastError();
+
+  // We don't trust that the IPC can work this early.
+  if (!SandboxFactory::GetTargetServices()->GetState()->InitCalled())
+    return INVALID_HANDLE_VALUE;
+
+  // We don't support specific Security Attributes.
+  if (security_attributes)
+    return INVALID_HANDLE_VALUE;
+
+  do {
+    void* memory = GetGlobalIPCMemory();
+    if (NULL == memory)
+      break;
+
+    CountedParameterSet<NameBased> params;
+    params[NameBased::NAME] = ParamPickerMake(pipe_name);
+
+    if (!QueryBroker(IPC_CREATENAMEDPIPEW_TAG, params.GetBase()))
+      break;
+
+    SharedMemIPCClient ipc(memory);
+    CrossCallReturn answer = {0};
+    ResultCode code = CrossCall(ipc, IPC_CREATENAMEDPIPEW_TAG, pipe_name,
+                                open_mode, pipe_mode, max_instance,
+                                out_buffer_size, in_buffer_size,
+                                default_timeout, &answer);
+    if (SBOX_ALL_OK != code)
+      break;
+
+    if (ERROR_SUCCESS != answer.win32_result)
+      break;
+
+    return answer.handle;
+  } while (false);
+
+  ::SetLastError(original_error);
+  return INVALID_HANDLE_VALUE;
+}
+
+}  // namespace sandbox