Index: sandbox/win/src/policy_target.cc |
diff --git a/sandbox/win/src/policy_target.cc b/sandbox/win/src/policy_target.cc |
deleted file mode 100644 |
index 568fe2f3a2bde67d6ac21a2bbc64c1ba5924da64..0000000000000000000000000000000000000000 |
--- a/sandbox/win/src/policy_target.cc |
+++ /dev/null |
@@ -1,119 +0,0 @@ |
-// Copyright (c) 2006-2008 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/policy_target.h" |
- |
-#include <stddef.h> |
- |
-#include "sandbox/win/src/crosscall_client.h" |
-#include "sandbox/win/src/ipc_tags.h" |
-#include "sandbox/win/src/policy_engine_processor.h" |
-#include "sandbox/win/src/policy_low_level.h" |
-#include "sandbox/win/src/policy_params.h" |
-#include "sandbox/win/src/sandbox_factory.h" |
-#include "sandbox/win/src/sandbox_nt_util.h" |
-#include "sandbox/win/src/sharedmem_ipc_client.h" |
-#include "sandbox/win/src/target_services.h" |
- |
-namespace sandbox { |
- |
-// Handle for our private heap. |
-extern void* g_heap; |
- |
-// This is the list of all imported symbols from ntdll.dll. |
-SANDBOX_INTERCEPT NtExports g_nt; |
- |
-// Policy data. |
-extern void* volatile g_shared_policy_memory; |
-SANDBOX_INTERCEPT size_t g_shared_policy_size; |
- |
-bool QueryBroker(int ipc_id, CountedParameterSetBase* params) { |
- DCHECK_NT(static_cast<size_t>(ipc_id) < kMaxServiceCount); |
- DCHECK_NT(g_shared_policy_memory); |
- DCHECK_NT(g_shared_policy_size > 0); |
- |
- if (static_cast<size_t>(ipc_id) >= kMaxServiceCount) |
- return false; |
- |
- PolicyGlobal* global_policy = |
- reinterpret_cast<PolicyGlobal*>(g_shared_policy_memory); |
- |
- if (!global_policy->entry[ipc_id]) |
- return false; |
- |
- PolicyBuffer* policy = reinterpret_cast<PolicyBuffer*>( |
- reinterpret_cast<char*>(g_shared_policy_memory) + |
- reinterpret_cast<size_t>(global_policy->entry[ipc_id])); |
- |
- if ((reinterpret_cast<size_t>(global_policy->entry[ipc_id]) > |
- global_policy->data_size) || |
- (g_shared_policy_size < global_policy->data_size)) { |
- NOTREACHED_NT(); |
- return false; |
- } |
- |
- for (int i = 0; i < params->count; i++) { |
- if (!params->parameters[i].IsValid()) { |
- NOTREACHED_NT(); |
- return false; |
- } |
- } |
- |
- PolicyProcessor processor(policy); |
- PolicyResult result = processor.Evaluate(kShortEval, params->parameters, |
- params->count); |
- DCHECK_NT(POLICY_ERROR != result); |
- |
- return POLICY_MATCH == result && ASK_BROKER == processor.GetAction(); |
-} |
- |
-// ----------------------------------------------------------------------- |
- |
-// Hooks NtSetInformationThread to block RevertToSelf from being |
-// called before the actual call to LowerToken. |
-NTSTATUS WINAPI TargetNtSetInformationThread( |
- NtSetInformationThreadFunction orig_SetInformationThread, HANDLE thread, |
- NT_THREAD_INFORMATION_CLASS thread_info_class, PVOID thread_information, |
- ULONG thread_information_bytes) { |
- do { |
- if (SandboxFactory::GetTargetServices()->GetState()->RevertedToSelf()) |
- break; |
- if (ThreadImpersonationToken != thread_info_class) |
- break; |
- // This is a revert to self. |
- return STATUS_SUCCESS; |
- } while (false); |
- |
- return orig_SetInformationThread(thread, thread_info_class, |
- thread_information, |
- thread_information_bytes); |
-} |
- |
-// Hooks NtOpenThreadToken to force the open_as_self parameter to be set to |
-// FALSE if we are still running with the impersonation token. open_as_self set |
-// to TRUE means that the token will be open using the process token instead of |
-// the impersonation token. This is bad because the process token does not have |
-// access to open the thread token. |
-NTSTATUS WINAPI TargetNtOpenThreadToken( |
- NtOpenThreadTokenFunction orig_OpenThreadToken, HANDLE thread, |
- ACCESS_MASK desired_access, BOOLEAN open_as_self, PHANDLE token) { |
- if (!SandboxFactory::GetTargetServices()->GetState()->RevertedToSelf()) |
- open_as_self = FALSE; |
- |
- return orig_OpenThreadToken(thread, desired_access, open_as_self, token); |
-} |
- |
-// See comment for TargetNtOpenThreadToken |
-NTSTATUS WINAPI TargetNtOpenThreadTokenEx( |
- NtOpenThreadTokenExFunction orig_OpenThreadTokenEx, HANDLE thread, |
- ACCESS_MASK desired_access, BOOLEAN open_as_self, ULONG handle_attributes, |
- PHANDLE token) { |
- if (!SandboxFactory::GetTargetServices()->GetState()->RevertedToSelf()) |
- open_as_self = FALSE; |
- |
- return orig_OpenThreadTokenEx(thread, desired_access, open_as_self, |
- handle_attributes, token); |
-} |
- |
-} // namespace sandbox |