michael@0: // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: 
michael@0: #include "sandbox/win/src/policy_engine_params.h"
michael@0: #include "sandbox/win/src/policy_engine_processor.h"
michael@0: #include "testing/gtest/include/gtest/gtest.h"
michael@0: 
michael@0: #define POLPARAMS_BEGIN(x) sandbox::ParameterSet x[] = {
michael@0: #define POLPARAM(p) sandbox::ParamPickerMake(p),
michael@0: #define POLPARAMS_END }
michael@0: 
michael@0: namespace sandbox {
michael@0: 
michael@0: bool SetupNtdllImports();
michael@0: 
michael@0: TEST(PolicyEngineTest, Rules1) {
michael@0:   SetupNtdllImports();
michael@0: 
michael@0:   // Construct two policy rules that say:
michael@0:   //
michael@0:   // #1
michael@0:   // If the path is c:\\documents and settings\\* AND
michael@0:   // If the creation mode is 'open existing' AND
michael@0:   // If the security descriptor is null THEN
michael@0:   // Ask the broker.
michael@0:   //
michael@0:   // #2
michael@0:   // If the security descriptor is null AND
michael@0:   // If the path ends with *.txt AND
michael@0:   // If the creation mode is not 'create new' THEN
michael@0:   // return Access Denied.
michael@0: 
michael@0:   enum FileCreateArgs {
michael@0:     FileNameArg,
michael@0:     CreationDispositionArg,
michael@0:     FlagsAndAttributesArg,
michael@0:     SecurityAttributes
michael@0:   };
michael@0: 
michael@0:   const size_t policy_sz = 1024;
michael@0:   PolicyBuffer* policy = reinterpret_cast<PolicyBuffer*>(new char[policy_sz]);
michael@0:   OpcodeFactory opcode_maker(policy, policy_sz - 0x40);
michael@0: 
michael@0:   // Add rule set #1
michael@0:   opcode_maker.MakeOpWStringMatch(FileNameArg,
michael@0:                                   L"c:\\documents and settings\\",
michael@0:                                   0, CASE_INSENSITIVE, kPolNone);
michael@0:   opcode_maker.MakeOpNumberMatch(CreationDispositionArg, OPEN_EXISTING,
michael@0:                                  kPolNone);
michael@0:   opcode_maker.MakeOpVoidPtrMatch(SecurityAttributes, (void*)NULL,
michael@0:                                  kPolNone);
michael@0:   opcode_maker.MakeOpAction(ASK_BROKER, kPolNone);
michael@0: 
michael@0:   // Add rule set #2
michael@0:   opcode_maker.MakeOpWStringMatch(FileNameArg, L".TXT",
michael@0:                                   kSeekToEnd, CASE_INSENSITIVE, kPolNone);
michael@0:   opcode_maker.MakeOpNumberMatch(CreationDispositionArg, CREATE_NEW,
michael@0:                                  kPolNegateEval);
michael@0:   opcode_maker.MakeOpAction(FAKE_ACCESS_DENIED, kPolNone);
michael@0:   policy->opcode_count = 7;
michael@0: 
michael@0:   wchar_t* filename = L"c:\\Documents and Settings\\Microsoft\\BLAH.txt";
michael@0:   unsigned long creation_mode = OPEN_EXISTING;
michael@0:   unsigned long flags = FILE_ATTRIBUTE_NORMAL;
michael@0:   void* security_descriptor = NULL;
michael@0: 
michael@0:   POLPARAMS_BEGIN(eval_params)
michael@0:     POLPARAM(filename)
michael@0:     POLPARAM(creation_mode)
michael@0:     POLPARAM(flags)
michael@0:     POLPARAM(security_descriptor)
michael@0:   POLPARAMS_END;
michael@0: 
michael@0:   PolicyResult pr;
michael@0:   PolicyProcessor pol_ev(policy);
michael@0: 
michael@0:   // Test should match the first rule set.
michael@0:   pr = pol_ev.Evaluate(kShortEval, eval_params, _countof(eval_params));
michael@0:   EXPECT_EQ(POLICY_MATCH, pr);
michael@0:   EXPECT_EQ(ASK_BROKER, pol_ev.GetAction());
michael@0: 
michael@0:   // Test should still match the first rule set.
michael@0:   pr = pol_ev.Evaluate(kShortEval, eval_params, _countof(eval_params));
michael@0:   EXPECT_EQ(POLICY_MATCH, pr);
michael@0:   EXPECT_EQ(ASK_BROKER, pol_ev.GetAction());
michael@0: 
michael@0:   // Changing creation_mode such that evaluation should not match any rule.
michael@0:   creation_mode = CREATE_NEW;
michael@0:   pr = pol_ev.Evaluate(kShortEval, eval_params, _countof(eval_params));
michael@0:   EXPECT_EQ(NO_POLICY_MATCH, pr);
michael@0: 
michael@0:   // Changing creation_mode such that evaluation should match rule #2.
michael@0:   creation_mode = OPEN_ALWAYS;
michael@0:   pr = pol_ev.Evaluate(kShortEval, eval_params, _countof(eval_params));
michael@0:   EXPECT_EQ(POLICY_MATCH, pr);
michael@0:   EXPECT_EQ(FAKE_ACCESS_DENIED, pol_ev.GetAction());
michael@0: 
michael@0:   delete [] reinterpret_cast<char*>(policy);
michael@0: }
michael@0: 
michael@0: }  // namespace sandbox