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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "sandbox/src/dep.h"
#include "sandbox/src/sandbox_utils.h"
#include "sandbox/tests/common/controller.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace sandbox {
namespace {
class DepTest : public testing::Test {
public:
static bool IsTestCaseDisabled() {
OSVERSIONINFOEX version_info;
version_info.dwOSVersionInfoSize = sizeof version_info;
GetVersionEx(reinterpret_cast<OSVERSIONINFO*>(&version_info));
// Windows 2000 doesn't support DEP at all.
if (version_info.dwMajorVersion == 5 && version_info.dwMinorVersion == 0)
return true;
// Windows XP Service Pack 0 and 1 don't support DEP at all.
if (version_info.dwMajorVersion == 5 && version_info.dwMinorVersion == 1
&& version_info.wServicePackMajor < 2)
return true;
// Bug 1212371 Vista SP0 DEP support is half-baked. Nobody seem to have
// noticed!
if (version_info.dwMajorVersion == 6 &&
version_info.wServicePackMajor == 0)
return true;
return false;
}
};
BYTE kReturnCode[] = {
// ret
0xC3,
};
typedef void (*NullFunction)();
// This doesn't fail on Vista Service Pack 0 but it does on XP SP2 and Vista
// SP1. I guess this is a bug in Vista SP0 w.r.t .data PE section. Needs
// investigation to be sure it is a bug and not an error on my part.
bool GenerateDepException() {
bool result = false;
__try {
void* code = kReturnCode;
// Call this code.
reinterpret_cast<NullFunction>(code)();
} __except(EXCEPTION_EXECUTE_HANDLER) {
result = true;
}
return result;
}
bool GenerateDepAtl7Exception() {
// TODO(maruel): bug 1207762 Somehow test ATL7
return GenerateDepException();
}
SBOX_TESTS_COMMAND int CheckDepLevel(int argc, wchar_t **argv) {
if (1 != argc)
return SBOX_TEST_FAILED_TO_EXECUTE_COMMAND;
int flag = _wtoi(argv[0]);
switch (flag) {
case 1:
// DEP is completely disabled.
if (!SetCurrentProcessDEP(DEP_DISABLED)) {
if (!IsXPSP2OrLater())
// That's fine.
return SBOX_TEST_SUCCEEDED;
return SBOX_TEST_DENIED;
}
if (GenerateDepException())
return SBOX_TEST_FAILED;
if (GenerateDepAtl7Exception())
return SBOX_TEST_FAILED;
return SBOX_TEST_SUCCEEDED;
case 2:
// DEP is enabled with ATL7 thunk support.
if (!SetCurrentProcessDEP(DEP_ENABLED_ATL7_COMPAT)) {
if (!IsXPSP2OrLater())
// That's fine.
return SBOX_TEST_SUCCEEDED;
return SBOX_TEST_DENIED;
}
if (!GenerateDepException())
return SBOX_TEST_FAILED;
if (GenerateDepAtl7Exception())
return SBOX_TEST_FAILED;
return SBOX_TEST_SUCCEEDED;
case 3:
// DEP is enabled.
if (!SetCurrentProcessDEP(DEP_ENABLED)) {
if (!IsXPSP2OrLater())
// That's fine.
return SBOX_TEST_SUCCEEDED;
return SBOX_TEST_DENIED;
}
if (!GenerateDepException())
return SBOX_TEST_FAILED;
if (!GenerateDepAtl7Exception())
return SBOX_TEST_FAILED;
return SBOX_TEST_SUCCEEDED;
case 4:
// DEP can't be disabled.
if (!SetCurrentProcessDEP(DEP_ENABLED)) {
if (!IsXPSP2OrLater())
// That's fine.
return SBOX_TEST_SUCCEEDED;
}
if (SetCurrentProcessDEP(DEP_DISABLED)) {
return SBOX_TEST_DENIED;
}
// Verify that it is still enabled.
if (!GenerateDepException())
return SBOX_TEST_FAILED;
if (!GenerateDepAtl7Exception())
return SBOX_TEST_FAILED;
return SBOX_TEST_SUCCEEDED;
case 5:
// DEP can't be disabled.
if (!SetCurrentProcessDEP(DEP_ENABLED_ATL7_COMPAT)) {
if (!IsXPSP2OrLater())
// That's fine.
return SBOX_TEST_SUCCEEDED;
}
if (SetCurrentProcessDEP(DEP_DISABLED)) {
return SBOX_TEST_DENIED;
}
// Verify that it is still enabled.
if (!GenerateDepException())
return SBOX_TEST_FAILED;
if (!GenerateDepAtl7Exception())
return SBOX_TEST_FAILED;
return SBOX_TEST_SUCCEEDED;
case 6:
// DEP can't be disabled.
if (!SetCurrentProcessDEP(DEP_ENABLED)) {
if (!IsXPSP2OrLater())
// That's fine.
return SBOX_TEST_SUCCEEDED;
}
if (SetCurrentProcessDEP(DEP_ENABLED_ATL7_COMPAT)) {
return SBOX_TEST_DENIED;
}
// Verify that it is still enabled.
if (!GenerateDepException())
return SBOX_TEST_FAILED;
if (!GenerateDepAtl7Exception())
return SBOX_TEST_FAILED;
return SBOX_TEST_SUCCEEDED;
default:
return SBOX_TEST_INVALID_PARAMETER;
}
return SBOX_TEST_FAILED_TO_EXECUTE_COMMAND;
}
} // namespace
// This test is disabled. See bug 1275842
TEST_F(DepTest, DISABLED_TestDepDisable) {
TestRunner runner(JOB_UNPROTECTED, USER_INTERACTIVE, USER_INTERACTIVE);
runner.SetTimeout(INFINITE);
EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckDepLevel 1"));
// TODO(maruel): bug 1207762 Somehow test ATL7
// EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckDepLevel 2"));
EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckDepLevel 3"));
EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckDepLevel 4"));
EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckDepLevel 5"));
EXPECT_EQ(SBOX_TEST_SUCCEEDED, runner.RunTest(L"CheckDepLevel 6"));
}
} // namespace sandbox
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