Fix clang -Wwritable-strings warnings in the Windows sandbox

sandbox/win/src/policy_low_level_unittest.cc

 // 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_engine_params.h"
 #include "sandbox/win/src/policy_engine_processor.h"
 #include "sandbox/win/src/policy_low_level.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #define POLPARAMS_BEGIN(x) sandbox::ParameterSet x[] = {
@@ skipping 44 matching lines @@
   EXPECT_TRUE(pr.AddStringMatch(IF, 0, L"z:\\Directory\\domo.txt",
               CASE_INSENSITIVE));
 
   PolicyGlobal* policy = MakePolicyMemory();
   const uint32 kFakeService = 2;
 
   LowLevelPolicy policyGen(policy);
   EXPECT_TRUE(policyGen.AddRule(kFakeService, &pr));
   EXPECT_TRUE(policyGen.Done());
 
-  wchar_t* filename = L"Z:\\Directory\\domo.txt";
+  const wchar_t* filename = L"Z:\\Directory\\domo.txt";
 
   POLPARAMS_BEGIN(eval_params)
     POLPARAM(filename)                // Argument 0
   POLPARAMS_END;
 
   PolicyResult result;
   PolicyProcessor pol_ev(policy->entry[kFakeService]);
 
   result = pol_ev.Evaluate(kShortEval, eval_params, _countof(eval_params));
   EXPECT_EQ(POLICY_MATCH, result);
@@ skipping 12 matching lines @@
   EXPECT_TRUE(pr.AddStringMatch(IF_NOT, 0, L"c:\\Microsoft\\",
                                 CASE_SENSITIVE));
 
   PolicyGlobal* policy = MakePolicyMemory();
   const uint32 kFakeService = 2;
   LowLevelPolicy policyGen(policy);
 
   EXPECT_TRUE(policyGen.AddRule(kFakeService, &pr));
   EXPECT_TRUE(policyGen.Done());
 
-  wchar_t* filename = NULL;
+  const wchar_t* filename = NULL;
   POLPARAMS_BEGIN(eval_params)
     POLPARAM(filename)                // Argument 0
   POLPARAMS_END;
 
   PolicyResult result;
   PolicyProcessor pol_ev(policy->entry[kFakeService]);
 
   filename = L"c:\\Microsoft\\";
   result = pol_ev.Evaluate(kShortEval, eval_params, _countof(eval_params));
   EXPECT_EQ(NO_POLICY_MATCH, result);
@@ skipping 17 matching lines @@
   EXPECT_TRUE(pr.AddStringMatch(IF_NOT, 0, L"c:\\Microsoft\\*",
                                 CASE_SENSITIVE));
 
   PolicyGlobal* policy = MakePolicyMemory();
   const uint32 kFakeService = 3;
   LowLevelPolicy policyGen(policy);
 
   EXPECT_TRUE(policyGen.AddRule(kFakeService, &pr));
   EXPECT_TRUE(policyGen.Done());
 
-  wchar_t* filename = NULL;
+  const wchar_t* filename = NULL;
   POLPARAMS_BEGIN(eval_params)
     POLPARAM(filename)                // Argument 0
   POLPARAMS_END;
 
   PolicyResult result;
   PolicyProcessor pol_ev(policy->entry[kFakeService]);
 
   filename = L"c:\\Microsoft\\domo.txt";
   result = pol_ev.Evaluate(kShortEval, eval_params, _countof(eval_params));
   EXPECT_EQ(NO_POLICY_MATCH, result);
@@ skipping 12 matching lines @@
   EXPECT_TRUE(pr.AddStringMatch(IF_NOT, 0, L"c:\\Microsoft\\*.txt",
                                 CASE_SENSITIVE));
 
   PolicyGlobal* policy = MakePolicyMemory();
   const uint32 kFakeService = 3;
   LowLevelPolicy policyGen(policy);
 
   EXPECT_TRUE(policyGen.AddRule(kFakeService, &pr));
   EXPECT_TRUE(policyGen.Done());
 
-  wchar_t* filename = NULL;
+  const wchar_t* filename = NULL;
   POLPARAMS_BEGIN(eval_params)
     POLPARAM(filename)                // Argument 0
   POLPARAMS_END;
 
   PolicyResult result;
   PolicyProcessor pol_ev(policy->entry[kFakeService]);
 
   filename = L"c:\\Microsoft\\domo.txt";
   result = pol_ev.Evaluate(kShortEval, eval_params, _countof(eval_params));
   EXPECT_EQ(NO_POLICY_MATCH, result);
@@ skipping 18 matching lines @@
                                 CASE_SENSITIVE));
   EXPECT_TRUE(pr.AddNumberMatch(IF, 1, 24, EQUAL));
 
   PolicyGlobal* policy = MakePolicyMemory();
   const uint32 kFakeService = 3;
   LowLevelPolicy policyGen(policy);
 
   EXPECT_TRUE(policyGen.AddRule(kFakeService, &pr));
   EXPECT_TRUE(policyGen.Done());
 
-  wchar_t* filename = NULL;
+  const wchar_t* filename = NULL;
   unsigned long access = 0;
   POLPARAMS_BEGIN(eval_params)
     POLPARAM(filename)                // Argument 0
     POLPARAM(access)                  // Argument 1
   POLPARAMS_END;
 
   PolicyResult result;
   PolicyProcessor pol_ev(policy->entry[kFakeService]);
 
   filename = L"c:\\Microsoft\\domo.txt";
@@ skipping 28 matching lines @@
                                 CASE_SENSITIVE));
   EXPECT_TRUE(pr.AddNumberMatch(IF, 2, 66, EQUAL));
 
   PolicyGlobal* policy = MakePolicyMemory();
   const uint32 kFakeService = 3;
   LowLevelPolicy policyGen(policy);
 
   EXPECT_TRUE(policyGen.AddRule(kFakeService, &pr));
   EXPECT_TRUE(policyGen.Done());
 
-  wchar_t* filename = NULL;
+  const wchar_t* filename = NULL;
   unsigned long access = 0;
   unsigned long sharing = 66;
 
   POLPARAMS_BEGIN(eval_params)
     POLPARAM(filename)                // Argument 0
     POLPARAM(access)                  // Argument 1
     POLPARAM(sharing)                 // Argument 2
   POLPARAMS_END;
 
   PolicyResult result;
@@ skipping 53 matching lines @@
   EXPECT_TRUE(pr.AddNumberMatch(IF, 2, FILE_ATTRIBUTE_NORMAL, EQUAL));
 
   PolicyGlobal* policy = MakePolicyMemory();
 
   const uint32 kNtFakeCreateFile = 7;
 
   LowLevelPolicy policyGen(policy);
   EXPECT_TRUE(policyGen.AddRule(kNtFakeCreateFile, &pr));
   EXPECT_TRUE(policyGen.Done());
 
-  wchar_t* filename = L"c:\\Documents and Settings\\Microsoft\\BLAH.txt";
+  const wchar_t* filename = L"c:\\Documents and Settings\\Microsoft\\BLAH.txt";
   unsigned long creation_mode = OPEN_EXISTING;
   unsigned long flags = FILE_ATTRIBUTE_NORMAL;
   void* security_descriptor = NULL;
 
   POLPARAMS_BEGIN(eval_params)
     POLPARAM(filename)                // Argument 0
     POLPARAM(creation_mode)           // Argument 1
     POLPARAM(flags)                   // Argument 2
     POLPARAM(security_descriptor)
   POLPARAMS_END;
@@ skipping 135 matching lines @@
   EXPECT_EQ(OP_WSTRING_MATCH,
             policy->entry[kNtFakeCreateFile]->opcodes[0].GetID());
   EXPECT_EQ(OP_ACTION,
             policy->entry[kNtFakeCreateFile]->opcodes[tc2-1].GetID());
   EXPECT_EQ(OP_WSTRING_MATCH,
             policy->entry[kNtFakeOpenFile]->opcodes[0].GetID());
   EXPECT_EQ(OP_ACTION, policy->entry[kNtFakeOpenFile]->opcodes[tc3-1].GetID());
 
   // Test the policy evaluation.
 
-  wchar_t* filename = L"";
+  const wchar_t* filename = L"";
   unsigned long creation_mode = OPEN_EXISTING;
   unsigned long flags = FILE_ATTRIBUTE_NORMAL;
   void* security_descriptor = NULL;
 
   POLPARAMS_BEGIN(params)
     POLPARAM(filename)                // Argument 0
     POLPARAM(creation_mode)           // Argument 1
     POLPARAM(flags)                   // Argument 2
     POLPARAM(security_descriptor)
   POLPARAMS_END;
@@ skipping 83 matching lines @@
   PolicyRule pr_copy(pr_orig);
   EXPECT_TRUE(pr_orig.AddStringMatch(IF_NOT, 0, L"*.txt", CASE_SENSITIVE));
   EXPECT_TRUE(pr_copy.AddStringMatch(IF_NOT, 0, L"*.txt", CASE_SENSITIVE));
 
   PolicyGlobal* policy = MakePolicyMemory();
   LowLevelPolicy policyGen(policy);
   EXPECT_TRUE(policyGen.AddRule(1, &pr_orig));
   EXPECT_TRUE(policyGen.AddRule(2, &pr_copy));
   EXPECT_TRUE(policyGen.Done());
 
-  wchar_t* name = NULL;
+  const wchar_t* name = NULL;
   POLPARAMS_BEGIN(eval_params)
     POLPARAM(name)
   POLPARAMS_END;
 
   PolicyResult result;
   PolicyProcessor pol_ev_orig(policy->entry[1]);
   name = L"domo.txt";
   result = pol_ev_orig.Evaluate(kShortEval, eval_params, _countof(eval_params));
   EXPECT_EQ(NO_POLICY_MATCH, result);
 
   name = L"hello.bmp";
   result = pol_ev_orig.Evaluate(kShortEval, eval_params, _countof(eval_params));
   EXPECT_EQ(POLICY_MATCH, result);
   EXPECT_EQ(ASK_BROKER, pol_ev_orig.GetAction());
 
   PolicyProcessor pol_ev_copy(policy->entry[2]);
   name = L"domo.txt";
   result = pol_ev_copy.Evaluate(kShortEval, eval_params, _countof(eval_params));
   EXPECT_EQ(NO_POLICY_MATCH, result);
 
   name = L"hello.bmp";
   result = pol_ev_copy.Evaluate(kShortEval, eval_params, _countof(eval_params));
   EXPECT_EQ(POLICY_MATCH, result);
   EXPECT_EQ(ASK_BROKER, pol_ev_copy.GetAction());
 }
 }  // namespace sandbox