Move Windows Sandbox, trybots version (don't commit me!)

sandbox/src/process_thread_dispatcher.cc

Index: sandbox/src/process_thread_dispatcher.cc
diff --git a/sandbox/src/process_thread_dispatcher.cc b/sandbox/src/process_thread_dispatcher.cc
deleted file mode 100644
index cc137a5647e3ffe4bcfc8ddc9dd2a19cd873dc6e..0000000000000000000000000000000000000000
--- a/sandbox/src/process_thread_dispatcher.cc
+++ /dev/null
@@ -1,245 +0,0 @@
-// Copyright (c) 2006-2010 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.
-
-#include "sandbox/src/process_thread_dispatcher.h"
-
-#include "base/basictypes.h"
-#include "base/logging.h"
-#include "sandbox/src/crosscall_client.h"
-#include "sandbox/src/interception.h"
-#include "sandbox/src/interceptors.h"
-#include "sandbox/src/ipc_tags.h"
-#include "sandbox/src/policy_broker.h"
-#include "sandbox/src/policy_params.h"
-#include "sandbox/src/process_thread_interception.h"
-#include "sandbox/src/process_thread_policy.h"
-#include "sandbox/src/sandbox.h"
-
-namespace {
-
-// Extracts the application name from a command line.
-//
-// The application name is the first element of the command line. If
-// there is no quotes, the first element is delimited by the first space.
-// If there are quotes, the first element is delimited by the quotes.
-//
-// The create process call is smarter than us. It tries really hard to launch
-// the process even if the command line is wrong. For example:
-// "c:\program files\test param" will first try to launch c:\program.exe then
-// c:\program files\test.exe. We don't do that, we stop after at the first
-// space when there is no quotes.
-std::wstring GetPathFromCmdLine(const std::wstring &cmd_line) {
-  std::wstring exe_name;
-  // Check if it starts with '"'.
-  if (cmd_line[0] == L'\"') {
-    // Find the position of the second '"', this terminates the path.
-    std::wstring::size_type pos = cmd_line.find(L'\"', 1);
-    if (std::wstring::npos == pos)
-      return cmd_line;
-    exe_name = cmd_line.substr(1, pos - 1);
-  } else {
-    // There is no '"', that means that the appname is terminated at the
-    // first space.
-    std::wstring::size_type pos = cmd_line.find(L' ');
-    if (std::wstring::npos == pos) {
-      // There is no space, the cmd_line contains only the app_name
-      exe_name = cmd_line;
-    } else {
-      exe_name = cmd_line.substr(0, pos);
-    }
-  }
-
-  return exe_name;
-}
-
-// Returns true is the path in parameter is relative. False if it's
-// absolute.
-bool IsPathRelative(const std::wstring &path) {
-  // A path is Relative if it's not a UNC path beginnning with \\ or a
-  // path beginning with a drive. (i.e. X:\)
-  if (path.find(L"\\\\") == 0 || path.find(L":\\") == 1)
-    return false;
-  return true;
-}
-
-// Converts a relative path to an absolute path.
-bool ConvertToAbsolutePath(const std::wstring child_current_directory,
-                           bool use_env_path, std::wstring *path) {
-  wchar_t file_buffer[MAX_PATH];
-  wchar_t *file_part = NULL;
-
-  // Here we should start by looking at the path where the child application was
-  // started. We don't have this information yet.
-  DWORD result = 0;
-  if (use_env_path) {
-    // Try with the complete path
-    result = ::SearchPath(NULL, path->c_str(), NULL, MAX_PATH, file_buffer,
-                          &file_part);
-  }
-
-  if (0 == result) {
-    // Try with the current directory of the child
-    result = ::SearchPath(child_current_directory.c_str(), path->c_str(), NULL,
-                          MAX_PATH, file_buffer, &file_part);
-  }
-
-  if (0 == result || result >= MAX_PATH)
-    return false;
-
-  *path = file_buffer;
-  return true;
-}
-
-}  // namespace
-namespace sandbox {
-
-ThreadProcessDispatcher::ThreadProcessDispatcher(PolicyBase* policy_base)
-    : policy_base_(policy_base) {
-  static const IPCCall open_thread = {
-    {IPC_NTOPENTHREAD_TAG, ULONG_TYPE, ULONG_TYPE},
-    reinterpret_cast<CallbackGeneric>(
-        &ThreadProcessDispatcher::NtOpenThread)
-  };
-
-  static const IPCCall open_process = {
-    {IPC_NTOPENPROCESS_TAG, ULONG_TYPE, ULONG_TYPE},
-    reinterpret_cast<CallbackGeneric>(
-        &ThreadProcessDispatcher::NtOpenProcess)
-  };
-
-  static const IPCCall process_token = {
-    {IPC_NTOPENPROCESSTOKEN_TAG, VOIDPTR_TYPE, ULONG_TYPE},
-    reinterpret_cast<CallbackGeneric>(
-        &ThreadProcessDispatcher::NtOpenProcessToken)
-  };
-
-  static const IPCCall process_tokenex = {
-    {IPC_NTOPENPROCESSTOKENEX_TAG, VOIDPTR_TYPE, ULONG_TYPE, ULONG_TYPE},
-    reinterpret_cast<CallbackGeneric>(
-        &ThreadProcessDispatcher::NtOpenProcessTokenEx)
-  };
-
-  static const IPCCall create_params = {
-    {IPC_CREATEPROCESSW_TAG, WCHAR_TYPE, WCHAR_TYPE, WCHAR_TYPE, INOUTPTR_TYPE},
-    reinterpret_cast<CallbackGeneric>(
-        &ThreadProcessDispatcher::CreateProcessW)
-  };
-
-  ipc_calls_.push_back(open_thread);
-  ipc_calls_.push_back(open_process);
-  ipc_calls_.push_back(process_token);
-  ipc_calls_.push_back(process_tokenex);
-  ipc_calls_.push_back(create_params);
-}
-
-bool ThreadProcessDispatcher::SetupService(InterceptionManager* manager,
-                                           int service) {
-  switch (service) {
-    case IPC_NTOPENTHREAD_TAG:
-    case IPC_NTOPENPROCESS_TAG:
-    case IPC_NTOPENPROCESSTOKEN_TAG:
-    case IPC_NTOPENPROCESSTOKENEX_TAG:
-      // There is no explicit policy for these services.
-      NOTREACHED();
-      return false;
-
-    case IPC_CREATEPROCESSW_TAG:
-      return INTERCEPT_EAT(manager, L"kernel32.dll", CreateProcessW,
-                           CREATE_PROCESSW_ID, 44) &&
-             INTERCEPT_EAT(manager, L"kernel32.dll", CreateProcessA,
-                           CREATE_PROCESSA_ID, 44);
-
-    default:
-      return false;
-  }
-}
-
-bool ThreadProcessDispatcher::NtOpenThread(IPCInfo* ipc, DWORD desired_access,
-                                           DWORD thread_id) {
-  HANDLE handle;
-  NTSTATUS ret = ProcessPolicy::OpenThreadAction(*ipc->client_info,
-                                                 desired_access, thread_id,
-                                                 &handle);
-  ipc->return_info.nt_status = ret;
-  ipc->return_info.handle = handle;
-  return true;
-}
-
-bool ThreadProcessDispatcher::NtOpenProcess(IPCInfo* ipc, DWORD desired_access,
-                                            DWORD process_id) {
-  HANDLE handle;
-  NTSTATUS ret = ProcessPolicy::OpenProcessAction(*ipc->client_info,
-                                                  desired_access, process_id,
-                                                  &handle);
-  ipc->return_info.nt_status = ret;
-  ipc->return_info.handle = handle;
-  return true;
-}
-
-bool ThreadProcessDispatcher::NtOpenProcessToken(IPCInfo* ipc, HANDLE process,
-                                                 DWORD desired_access) {
-  HANDLE handle;
-  NTSTATUS ret = ProcessPolicy::OpenProcessTokenAction(*ipc->client_info,
-                                                       process, desired_access,
-                                                       &handle);
-  ipc->return_info.nt_status = ret;
-  ipc->return_info.handle = handle;
-  return true;
-}
-
-bool ThreadProcessDispatcher::NtOpenProcessTokenEx(IPCInfo* ipc, HANDLE process,
-                                                   DWORD desired_access,
-                                                   DWORD attributes) {
-  HANDLE handle;
-  NTSTATUS ret = ProcessPolicy::OpenProcessTokenExAction(*ipc->client_info,
-                                                         process,
-                                                         desired_access,
-                                                         attributes, &handle);
-  ipc->return_info.nt_status = ret;
-  ipc->return_info.handle = handle;
-  return true;
-}
-
-bool ThreadProcessDispatcher::CreateProcessW(IPCInfo* ipc, std::wstring* name,
-                                             std::wstring* cmd_line,
-                                             std::wstring* cur_dir,
-                                             CountedBuffer* info) {
-  if (sizeof(PROCESS_INFORMATION) != info->Size())
-    return false;
-
-  // Check if there is an application name.
-  std::wstring exe_name;
-  if (!name->empty())
-    exe_name = *name;
-  else
-    exe_name = GetPathFromCmdLine(*cmd_line);
-
-  if (IsPathRelative(exe_name)) {
-    if (!ConvertToAbsolutePath(*cur_dir, name->empty(), &exe_name)) {
-      // Cannot find the path. Maybe the file does not exist.
-      ipc->return_info.win32_result = ERROR_FILE_NOT_FOUND;
-      return true;
-    }
-  }
-
-  const wchar_t* const_exe_name = exe_name.c_str();
-  CountedParameterSet<NameBased> params;
-  params[NameBased::NAME] = ParamPickerMake(const_exe_name);
-
-  EvalResult eval = policy_base_->EvalPolicy(IPC_CREATEPROCESSW_TAG,
-                                             params.GetBase());
-
-  PROCESS_INFORMATION* proc_info =
-      reinterpret_cast<PROCESS_INFORMATION*>(info->Buffer());
-  // Here we force the app_name to be the one we used for the policy lookup.
-  // If our logic was wrong, at least we wont allow create a random process.
-  DWORD ret = ProcessPolicy::CreateProcessWAction(eval, *ipc->client_info,
-                                                  exe_name, *cmd_line,
-                                                  proc_info);
-
-  ipc->return_info.win32_result = ret;
-  return true;
-}
-
-}  // namespace sandbox