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- // 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 <stddef.h>
- #include <stdint.h>
- #include "sandbox/win/src/policy_engine_params.h"
- #include "sandbox/win/src/policy_engine_processor.h"
- #include "testing/gtest/include/gtest/gtest.h"
- #define POLPARAMS_BEGIN(x) sandbox::ParameterSet x[] = {
- #define POLPARAM(p) sandbox::ParamPickerMake(p),
- #define POLPARAMS_END }
- namespace sandbox {
- TEST(PolicyEngineTest, Rules1) {
- // Construct two policy rules that say:
- //
- // #1
- // If the path is c:\\documents and settings\\* AND
- // If the creation mode is 'open existing' AND
- // If the security descriptor is null THEN
- // Ask the broker.
- //
- // #2
- // If the security descriptor is null AND
- // If the path ends with *.txt AND
- // If the creation mode is not 'create new' THEN
- // return Access Denied.
- enum FileCreateArgs {
- FileNameArg,
- CreationDispositionArg,
- FlagsAndAttributesArg,
- SecurityAttributes
- };
- const size_t policy_sz = 1024;
- PolicyBuffer* policy = reinterpret_cast<PolicyBuffer*>(new char[policy_sz]);
- OpcodeFactory opcode_maker(policy, policy_sz - 0x40);
- // Add rule set #1
- opcode_maker.MakeOpWStringMatch(FileNameArg, L"c:\\documents and settings\\",
- 0, CASE_INSENSITIVE, kPolNone);
- opcode_maker.MakeOpNumberMatch(CreationDispositionArg, OPEN_EXISTING,
- kPolNone);
- opcode_maker.MakeOpVoidPtrMatch(SecurityAttributes, nullptr, kPolNone);
- opcode_maker.MakeOpAction(ASK_BROKER, kPolNone);
- // Add rule set #2
- opcode_maker.MakeOpWStringMatch(FileNameArg, L".TXT", kSeekToEnd,
- CASE_INSENSITIVE, kPolNone);
- opcode_maker.MakeOpNumberMatch(CreationDispositionArg, CREATE_NEW,
- kPolNegateEval);
- opcode_maker.MakeOpAction(FAKE_ACCESS_DENIED, kPolNone);
- policy->opcode_count = 7;
- const wchar_t* filename = L"c:\\Documents and Settings\\Microsoft\\BLAH.txt";
- uint32_t creation_mode = OPEN_EXISTING;
- uint32_t flags = FILE_ATTRIBUTE_NORMAL;
- void* security_descriptor = nullptr;
- POLPARAMS_BEGIN(eval_params)
- POLPARAM(filename)
- POLPARAM(creation_mode)
- POLPARAM(flags)
- POLPARAM(security_descriptor)
- POLPARAMS_END;
- PolicyResult pr;
- PolicyProcessor pol_ev(policy);
- // Test should match the first rule set.
- pr = pol_ev.Evaluate(kShortEval, eval_params, _countof(eval_params));
- EXPECT_EQ(POLICY_MATCH, pr);
- EXPECT_EQ(ASK_BROKER, pol_ev.GetAction());
- // Test should still match the first rule set.
- pr = pol_ev.Evaluate(kShortEval, eval_params, _countof(eval_params));
- EXPECT_EQ(POLICY_MATCH, pr);
- EXPECT_EQ(ASK_BROKER, pol_ev.GetAction());
- // Changing creation_mode such that evaluation should not match any rule.
- creation_mode = CREATE_NEW;
- pr = pol_ev.Evaluate(kShortEval, eval_params, _countof(eval_params));
- EXPECT_EQ(NO_POLICY_MATCH, pr);
- // Changing creation_mode such that evaluation should match rule #2.
- creation_mode = OPEN_ALWAYS;
- pr = pol_ev.Evaluate(kShortEval, eval_params, _countof(eval_params));
- EXPECT_EQ(POLICY_MATCH, pr);
- EXPECT_EQ(FAKE_ACCESS_DENIED, pol_ev.GetAction());
- delete[] reinterpret_cast<char*>(policy);
- }
- } // namespace sandbox
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