summaryrefslogtreecommitdiffstats
path: root/sandbox/win/src/named_pipe_policy.cc
diff options
context:
space:
mode:
authorjln@chromium.org <jln@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2012-07-18 00:59:15 +0000
committerjln@chromium.org <jln@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2012-07-18 00:59:15 +0000
commit18149178646e45f3d7dde865efbeabbab431799a (patch)
treecc19ce0fc5cc1927695c789212fab93a195b9d9f /sandbox/win/src/named_pipe_policy.cc
parent4633cdb53427b31197d3c6f991f07bee2a04e0df (diff)
downloadchromium_src-18149178646e45f3d7dde865efbeabbab431799a.zip
chromium_src-18149178646e45f3d7dde865efbeabbab431799a.tar.gz
chromium_src-18149178646e45f3d7dde865efbeabbab431799a.tar.bz2
Move the Windows sandbox to sandbox/win
This is a rather large refactor to move the Windows sandbox to the right place. BUG= TEST= NOTRY=true TBR=sky@chromium.org Review URL: https://chromiumcodereview.appspot.com/10689170 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@147151 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'sandbox/win/src/named_pipe_policy.cc')
-rw-r--r--sandbox/win/src/named_pipe_policy.cc86
1 files changed, 86 insertions, 0 deletions
diff --git a/sandbox/win/src/named_pipe_policy.cc b/sandbox/win/src/named_pipe_policy.cc
new file mode 100644
index 0000000..470e823
--- /dev/null
+++ b/sandbox/win/src/named_pipe_policy.cc
@@ -0,0 +1,86 @@
+// 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/named_pipe_policy.h"
+
+#include <string>
+
+#include "sandbox/win/src/ipc_tags.h"
+#include "sandbox/win/src/policy_engine_opcodes.h"
+#include "sandbox/win/src/policy_params.h"
+#include "sandbox/win/src/sandbox_types.h"
+
+namespace {
+
+// Creates a named pipe and duplicates the handle to 'target_process'. The
+// remaining parameters are the same as CreateNamedPipeW().
+HANDLE CreateNamedPipeHelper(HANDLE target_process, LPCWSTR pipe_name,
+ DWORD open_mode, DWORD pipe_mode,
+ DWORD max_instances, DWORD out_buffer_size,
+ DWORD in_buffer_size, DWORD default_timeout,
+ LPSECURITY_ATTRIBUTES security_attributes) {
+ HANDLE pipe = ::CreateNamedPipeW(pipe_name, open_mode, pipe_mode,
+ max_instances, out_buffer_size,
+ in_buffer_size, default_timeout,
+ security_attributes);
+ if (INVALID_HANDLE_VALUE == pipe)
+ return pipe;
+
+ HANDLE new_pipe;
+ if (!::DuplicateHandle(::GetCurrentProcess(), pipe, target_process, &new_pipe,
+ 0, FALSE, DUPLICATE_CLOSE_SOURCE |
+ DUPLICATE_SAME_ACCESS)) {
+ ::CloseHandle(pipe);
+ return INVALID_HANDLE_VALUE;
+ }
+
+ return new_pipe;
+}
+
+} // namespace
+
+namespace sandbox {
+
+bool NamedPipePolicy::GenerateRules(const wchar_t* name,
+ TargetPolicy::Semantics semantics,
+ LowLevelPolicy* policy) {
+ if (TargetPolicy::NAMEDPIPES_ALLOW_ANY != semantics) {
+ return false;
+ }
+ PolicyRule pipe(ASK_BROKER);
+ if (!pipe.AddStringMatch(IF, NameBased::NAME, name, CASE_INSENSITIVE)) {
+ return false;
+ }
+ if (!policy->AddRule(IPC_CREATENAMEDPIPEW_TAG, &pipe)) {
+ return false;
+ }
+ return true;
+}
+
+DWORD NamedPipePolicy::CreateNamedPipeAction(EvalResult eval_result,
+ const ClientInfo& client_info,
+ const std::wstring &name,
+ DWORD open_mode, DWORD pipe_mode,
+ DWORD max_instances,
+ DWORD out_buffer_size,
+ DWORD in_buffer_size,
+ DWORD default_timeout,
+ HANDLE* pipe) {
+ // The only action supported is ASK_BROKER which means create the pipe.
+ if (ASK_BROKER != eval_result) {
+ return ERROR_ACCESS_DENIED;
+ }
+
+ *pipe = CreateNamedPipeHelper(client_info.process, name.c_str(),
+ open_mode, pipe_mode, max_instances,
+ out_buffer_size, in_buffer_size,
+ default_timeout, NULL);
+
+ if (INVALID_HANDLE_VALUE == *pipe)
+ return ERROR_ACCESS_DENIED;
+
+ return ERROR_SUCCESS;
+}
+
+} // namespace sandbox