From e4d3cca3efe386a9d87849dc64e686eb2339fec1 Mon Sep 17 00:00:00 2001
From: "ivan.penkov@gmail.com"
 <ivan.penkov@gmail.com@4c0a9323-5329-0410-9bdc-e9ce6186880e>
Date: Mon, 20 May 2013 18:55:54 +0000
Subject: [PATCH] Submitting this on behalf of Xiaoling Bao.

Make custom info population before dump generation as an optional operation.  This is part of a security change to move the crash generation and upload out of Google updater process.
Review URL: https://breakpad.appspot.com/586003

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1186 4c0a9323-5329-0410-9bdc-e9ce6186880e
---
 src/client/windows/crash_generation/client_info.cc       | 2 +-
 src/client/windows/crash_generation/client_info.h        | 3 +++
 .../windows/crash_generation/crash_generation_server.cc  | 9 ++++++---
 .../windows/crash_generation/crash_generation_server.h   | 7 +++++++
 4 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/src/client/windows/crash_generation/client_info.cc b/src/client/windows/crash_generation/client_info.cc
index ca10caa4..cd3a18de 100644
--- a/src/client/windows/crash_generation/client_info.cc
+++ b/src/client/windows/crash_generation/client_info.cc
@@ -206,7 +206,7 @@ bool ClientInfo::PopulateCustomInfo() {
   }
 
   SetProcessUptime();
-  return (bytes_count != read_count);
+  return (bytes_count == read_count);
 }
 
 CustomClientInfo ClientInfo::GetCustomInfo() const {
diff --git a/src/client/windows/crash_generation/client_info.h b/src/client/windows/crash_generation/client_info.h
index ce33a46b..9f94bec8 100644
--- a/src/client/windows/crash_generation/client_info.h
+++ b/src/client/windows/crash_generation/client_info.h
@@ -66,6 +66,9 @@ class ClientInfo {
   HANDLE dump_requested_handle() const { return dump_requested_handle_; }
   HANDLE dump_generated_handle() const { return dump_generated_handle_; }
   DWORD crash_id() const { return crash_id_; }
+  const CustomClientInfo& custom_client_info() const {
+    return custom_client_info_;
+  }
 
   void set_dump_request_wait_handle(HANDLE value) {
     dump_request_wait_handle_ = value;
diff --git a/src/client/windows/crash_generation/crash_generation_server.cc b/src/client/windows/crash_generation/crash_generation_server.cc
index 676dec2d..b98fb5e0 100644
--- a/src/client/windows/crash_generation/crash_generation_server.cc
+++ b/src/client/windows/crash_generation/crash_generation_server.cc
@@ -116,7 +116,8 @@ CrashGenerationServer::CrashGenerationServer(
       server_state_(IPC_SERVER_STATE_UNINITIALIZED),
       shutting_down_(false),
       overlapped_(),
-      client_info_(NULL) {
+      client_info_(NULL),
+      pre_fetch_custom_info_(true) {
   InitializeCriticalSection(&sync_);
 
   if (dump_path) {
@@ -198,7 +199,7 @@ CrashGenerationServer::~CrashGenerationServer() {
   if (overlapped_.hEvent) {
     CloseHandle(overlapped_.hEvent);
   }
-  
+
   DeleteCriticalSection(&sync_);
 }
 
@@ -831,10 +832,12 @@ void CALLBACK CrashGenerationServer::OnPipeConnected(void* context, BOOLEAN) {
 void CALLBACK CrashGenerationServer::OnDumpRequest(void* context, BOOLEAN) {
   assert(context);
   ClientInfo* client_info = reinterpret_cast<ClientInfo*>(context);
-  client_info->PopulateCustomInfo();
 
   CrashGenerationServer* crash_server = client_info->crash_server();
   assert(crash_server);
+  if (crash_server->pre_fetch_custom_info_) {
+    client_info->PopulateCustomInfo();
+  }
   crash_server->HandleDumpRequest(*client_info);
 
   ResetEvent(client_info->dump_requested_handle());
diff --git a/src/client/windows/crash_generation/crash_generation_server.h b/src/client/windows/crash_generation/crash_generation_server.h
index 4dcc532d..07019858 100644
--- a/src/client/windows/crash_generation/crash_generation_server.h
+++ b/src/client/windows/crash_generation/crash_generation_server.h
@@ -102,6 +102,10 @@ class CrashGenerationServer {
   // Returns true if initialization is successful; false otherwise.
   bool Start();
 
+  void pre_fetch_custom_info(bool do_pre_fetch) {
+    pre_fetch_custom_info_ = do_pre_fetch;
+  }
+
  private:
   // Various states the client can be in during the handshake with
   // the server.
@@ -261,6 +265,9 @@ class CrashGenerationServer {
   // Whether to generate dumps.
   bool generate_dumps_;
 
+  // Wether to populate custom information up-front.
+  bool pre_fetch_custom_info_;
+
   // Instance of a mini dump generator.
   scoped_ptr<MinidumpGenerator> dump_generator_;