Allow the crash generation server to be initialized with a handle instead of a pipe name

A=bsmedberg R=ted at http://breakpad.appspot.com/406002

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@985 4c0a9323-5329-0410-9bdc-e9ce6186880e

1 files changed, 16 insertions, 0 deletions

diff --git a/src/client/windows/crash_generation/crash_generation_client.h b/src/client/windows/crash_generation/crash_generation_client.h
index 85a0456c..2ce14dd2 100644
--- a/src/client/windows/crash_generation/crash_generation_client.h
+++ b/src/client/windows/crash_generation/crash_generation_client.h
@@ -66,6 +66,10 @@ class CrashGenerationClient {
                         MINIDUMP_TYPE dump_type,
                         const CustomClientInfo* custom_info);
 
+  CrashGenerationClient(HANDLE pipe_handle,
+                        MINIDUMP_TYPE dump_type,
+                        const CustomClientInfo* custom_info);
+
   ~CrashGenerationClient();
 
   // Registers the client process with the crash server.
@@ -96,6 +100,14 @@ class CrashGenerationClient {
   // false will be returned.
   bool RequestDump(MDRawAssertionInfo* assert_info);
 
+  // If the crash generation client is running in a sandbox that prevents it
+  // from opening the named pipe directly, the server process may open the
+  // handle and duplicate it into the client process with this helper method.
+  // Returns INVALID_HANDLE_VALUE on failure. The process must have been opened
+  // with the PROCESS_DUP_HANDLE access right.
+  static HANDLE DuplicatePipeToClientProcess(const wchar_t* pipe_name,
+                                             HANDLE hProcess);
+
  private:
   // Connects to the appropriate pipe and sets the pipe handle state.
   //
@@ -127,6 +139,10 @@ class CrashGenerationClient {
   // Pipe name to use to talk to server.
   std::wstring pipe_name_;
 
+  // Pipe handle duplicated from server process. Only valid before
+  // Register is called.
+  HANDLE pipe_handle_;
+
   // Custom client information
   CustomClientInfo custom_info_;