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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "components/nacl/loader/nacl_main_platform_delegate.h"
      6 
      7 #import <Cocoa/Cocoa.h>
      8 #include "base/command_line.h"
      9 #include "base/files/file_path.h"
     10 #include "base/logging.h"
     11 #include "base/native_library.h"
     12 #include "components/nacl/common/nacl_sandbox_type_mac.h"
     13 #include "components/nacl/common/nacl_switches.h"
     14 #include "content/public/common/sandbox_init.h"
     15 
     16 NaClMainPlatformDelegate::NaClMainPlatformDelegate(
     17     const content::MainFunctionParams& parameters)
     18     : parameters_(parameters), sandbox_test_module_(NULL) {
     19 }
     20 
     21 NaClMainPlatformDelegate::~NaClMainPlatformDelegate() {
     22 }
     23 
     24 // TODO(jvoung): see if this old comment (from renderer_main_platform...)
     25 // is relevant to the nacl loader.
     26 // TODO(mac-port): Any code needed to initialize a process for purposes of
     27 // running a NaClLoader needs to also be reflected in chrome_main.cc for
     28 // --single-process support.
     29 void NaClMainPlatformDelegate::PlatformInitialize() {
     30 }
     31 
     32 void NaClMainPlatformDelegate::PlatformUninitialize() {
     33 }
     34 
     35 void NaClMainPlatformDelegate::InitSandboxTests(bool no_sandbox) {
     36   const CommandLine& command_line = parameters_.command_line;
     37 
     38   DVLOG(1) << "Started NaClLdr with ";
     39   const std::vector<std::string>& argstrings = command_line.argv();
     40   for (std::vector<std::string>::const_iterator ii = argstrings.begin();
     41        ii != argstrings.end(); ++ii)
     42     DVLOG(1) << *ii;
     43 
     44   // Be sure not to load the sandbox test DLL if the sandbox isn't on.
     45   // Comment-out guard and recompile if you REALLY want to test w/out the SB.
     46   // TODO(jvoung): allow testing without sandbox, but change expected ret vals.
     47   if (!no_sandbox) {
     48     base::FilePath test_dll_name =
     49       command_line.GetSwitchValuePath(switches::kTestNaClSandbox);
     50     if (!test_dll_name.empty()) {
     51       sandbox_test_module_ = base::LoadNativeLibrary(test_dll_name, NULL);
     52       CHECK(sandbox_test_module_);
     53     }
     54   }
     55 }
     56 
     57 void NaClMainPlatformDelegate::EnableSandbox() {
     58   CHECK(content::InitializeSandbox(NACL_SANDBOX_TYPE_NACL_LOADER,
     59                                    base::FilePath()))
     60       << "Error initializing sandbox for " << switches::kNaClLoaderProcess;
     61 }
     62 
     63 bool NaClMainPlatformDelegate::RunSandboxTests() {
     64   // TODO(jvoung): Win and mac should share this identical code.
     65   bool result = true;
     66   if (sandbox_test_module_) {
     67     RunNaClLoaderTests run_security_tests =
     68       reinterpret_cast<RunNaClLoaderTests>(
     69         base::GetFunctionPointerFromNativeLibrary(sandbox_test_module_,
     70                                                   kNaClLoaderTestCall));
     71     if (run_security_tests) {
     72       DVLOG(1) << "Running NaCl Loader security tests";
     73       result = (*run_security_tests)();
     74     } else {
     75       VLOG(1) << "Failed to get NaCl sandbox test function";
     76       result = false;
     77     }
     78     base::UnloadNativeLibrary(sandbox_test_module_);
     79     sandbox_test_module_ = NULL;
     80   }
     81   return result;
     82 }
     83