diff options
Diffstat (limited to 'security/sandbox/chromium/sandbox/win/src/top_level_dispatcher.cc')
-rw-r--r-- | security/sandbox/chromium/sandbox/win/src/top_level_dispatcher.cc | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/security/sandbox/chromium/sandbox/win/src/top_level_dispatcher.cc b/security/sandbox/chromium/sandbox/win/src/top_level_dispatcher.cc deleted file mode 100644 index e6e224b4d..000000000 --- a/security/sandbox/chromium/sandbox/win/src/top_level_dispatcher.cc +++ /dev/null @@ -1,146 +0,0 @@ -// Copyright 2015 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/win/src/top_level_dispatcher.h" - -#include <stdint.h> -#include <string.h> - -#include "base/logging.h" -#include "base/memory/scoped_ptr.h" -#include "sandbox/win/src/crosscall_server.h" -#include "sandbox/win/src/filesystem_dispatcher.h" -#include "sandbox/win/src/handle_dispatcher.h" -#include "sandbox/win/src/interception.h" -#include "sandbox/win/src/internal_types.h" -#include "sandbox/win/src/ipc_tags.h" -#include "sandbox/win/src/named_pipe_dispatcher.h" -#include "sandbox/win/src/process_mitigations_win32k_dispatcher.h" -#include "sandbox/win/src/process_thread_dispatcher.h" -#include "sandbox/win/src/registry_dispatcher.h" -#include "sandbox/win/src/sandbox_policy_base.h" -#include "sandbox/win/src/sync_dispatcher.h" - -namespace sandbox { - -TopLevelDispatcher::TopLevelDispatcher(PolicyBase* policy) : policy_(policy) { - // Initialize the IPC dispatcher array. - memset(ipc_targets_, 0, sizeof(ipc_targets_)); - Dispatcher* dispatcher; - - dispatcher = new FilesystemDispatcher(policy_); - ipc_targets_[IPC_NTCREATEFILE_TAG] = dispatcher; - ipc_targets_[IPC_NTOPENFILE_TAG] = dispatcher; - ipc_targets_[IPC_NTSETINFO_RENAME_TAG] = dispatcher; - ipc_targets_[IPC_NTQUERYATTRIBUTESFILE_TAG] = dispatcher; - ipc_targets_[IPC_NTQUERYFULLATTRIBUTESFILE_TAG] = dispatcher; - filesystem_dispatcher_.reset(dispatcher); - - dispatcher = new NamedPipeDispatcher(policy_); - ipc_targets_[IPC_CREATENAMEDPIPEW_TAG] = dispatcher; - named_pipe_dispatcher_.reset(dispatcher); - - dispatcher = new ThreadProcessDispatcher(policy_); - ipc_targets_[IPC_NTOPENTHREAD_TAG] = dispatcher; - ipc_targets_[IPC_NTOPENPROCESS_TAG] = dispatcher; - ipc_targets_[IPC_CREATEPROCESSW_TAG] = dispatcher; - ipc_targets_[IPC_NTOPENPROCESSTOKEN_TAG] = dispatcher; - ipc_targets_[IPC_NTOPENPROCESSTOKENEX_TAG] = dispatcher; - thread_process_dispatcher_.reset(dispatcher); - - dispatcher = new SyncDispatcher(policy_); - ipc_targets_[IPC_CREATEEVENT_TAG] = dispatcher; - ipc_targets_[IPC_OPENEVENT_TAG] = dispatcher; - sync_dispatcher_.reset(dispatcher); - - dispatcher = new RegistryDispatcher(policy_); - ipc_targets_[IPC_NTCREATEKEY_TAG] = dispatcher; - ipc_targets_[IPC_NTOPENKEY_TAG] = dispatcher; - registry_dispatcher_.reset(dispatcher); - - dispatcher = new HandleDispatcher(policy_); - ipc_targets_[IPC_DUPLICATEHANDLEPROXY_TAG] = dispatcher; - handle_dispatcher_.reset(dispatcher); - - dispatcher = new ProcessMitigationsWin32KDispatcher(policy_); - ipc_targets_[IPC_GDI_GDIDLLINITIALIZE_TAG] = dispatcher; - ipc_targets_[IPC_GDI_GETSTOCKOBJECT_TAG] = dispatcher; - ipc_targets_[IPC_USER_REGISTERCLASSW_TAG] = dispatcher; - process_mitigations_win32k_dispatcher_.reset(dispatcher); -} - -TopLevelDispatcher::~TopLevelDispatcher() {} - -// When an IPC is ready in any of the targets we get called. We manage an array -// of IPC dispatchers which are keyed on the IPC tag so we normally delegate -// to the appropriate dispatcher unless we can handle the IPC call ourselves. -Dispatcher* TopLevelDispatcher::OnMessageReady(IPCParams* ipc, - CallbackGeneric* callback) { - DCHECK(callback); - static const IPCParams ping1 = {IPC_PING1_TAG, {UINT32_TYPE}}; - static const IPCParams ping2 = {IPC_PING2_TAG, {INOUTPTR_TYPE}}; - - if (ping1.Matches(ipc) || ping2.Matches(ipc)) { - *callback = reinterpret_cast<CallbackGeneric>( - static_cast<Callback1>(&TopLevelDispatcher::Ping)); - return this; - } - - Dispatcher* dispatcher = GetDispatcher(ipc->ipc_tag); - if (!dispatcher) { - NOTREACHED(); - return NULL; - } - return dispatcher->OnMessageReady(ipc, callback); -} - -// Delegate to the appropriate dispatcher. -bool TopLevelDispatcher::SetupService(InterceptionManager* manager, - int service) { - if (IPC_PING1_TAG == service || IPC_PING2_TAG == service) - return true; - - Dispatcher* dispatcher = GetDispatcher(service); - if (!dispatcher) { - NOTREACHED(); - return false; - } - return dispatcher->SetupService(manager, service); -} - -// We service IPC_PING_TAG message which is a way to test a round trip of the -// IPC subsystem. We receive a integer cookie and we are expected to return the -// cookie times two (or three) and the current tick count. -bool TopLevelDispatcher::Ping(IPCInfo* ipc, void* arg1) { - switch (ipc->ipc_tag) { - case IPC_PING1_TAG: { - IPCInt ipc_int(arg1); - uint32_t cookie = ipc_int.As32Bit(); - ipc->return_info.extended_count = 2; - ipc->return_info.extended[0].unsigned_int = ::GetTickCount(); - ipc->return_info.extended[1].unsigned_int = 2 * cookie; - return true; - } - case IPC_PING2_TAG: { - CountedBuffer* io_buffer = reinterpret_cast<CountedBuffer*>(arg1); - if (sizeof(uint32_t) != io_buffer->Size()) - return false; - - uint32_t* cookie = reinterpret_cast<uint32_t*>(io_buffer->Buffer()); - *cookie = (*cookie) * 3; - return true; - } - default: - return false; - } -} - -Dispatcher* TopLevelDispatcher::GetDispatcher(int ipc_tag) { - if (ipc_tag >= IPC_LAST_TAG || ipc_tag <= IPC_UNUSED_TAG) - return NULL; - - return ipc_targets_[ipc_tag]; -} - -} // namespace sandbox |