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-rw-r--r--security/sandbox/win/src/sandboxbroker/sandboxBroker.cpp595
1 files changed, 0 insertions, 595 deletions
diff --git a/security/sandbox/win/src/sandboxbroker/sandboxBroker.cpp b/security/sandbox/win/src/sandboxbroker/sandboxBroker.cpp
deleted file mode 100644
index 10b796268..000000000
--- a/security/sandbox/win/src/sandboxbroker/sandboxBroker.cpp
+++ /dev/null
@@ -1,595 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=2 et sw=2 tw=80: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "sandboxBroker.h"
-
-#include "base/win/windows_version.h"
-#include "mozilla/Assertions.h"
-#include "mozilla/Logging.h"
-#include "sandbox/win/src/sandbox.h"
-#include "sandbox/win/src/security_level.h"
-
-namespace mozilla
-{
-
-sandbox::BrokerServices *SandboxBroker::sBrokerService = nullptr;
-
-static LazyLogModule sSandboxBrokerLog("SandboxBroker");
-
-#define LOG_E(...) MOZ_LOG(sSandboxBrokerLog, LogLevel::Error, (__VA_ARGS__))
-
-/* static */
-void
-SandboxBroker::Initialize(sandbox::BrokerServices* aBrokerServices)
-{
- sBrokerService = aBrokerServices;
-}
-
-SandboxBroker::SandboxBroker()
-{
- if (sBrokerService) {
- mPolicy = sBrokerService->CreatePolicy();
- } else {
- mPolicy = nullptr;
- }
-}
-
-bool
-SandboxBroker::LaunchApp(const wchar_t *aPath,
- const wchar_t *aArguments,
- const bool aEnableLogging,
- void **aProcessHandle)
-{
- if (!sBrokerService || !mPolicy) {
- return false;
- }
-
- // Set stdout and stderr, to allow inheritance for logging.
- mPolicy->SetStdoutHandle(::GetStdHandle(STD_OUTPUT_HANDLE));
- mPolicy->SetStderrHandle(::GetStdHandle(STD_ERROR_HANDLE));
-
- // If logging enabled, set up the policy.
- if (aEnableLogging) {
- ApplyLoggingPolicy();
- }
-
-#if defined(DEBUG)
- // Allow write access to TEMP directory in debug builds for logging purposes.
- // The path from GetTempPathW can have a length up to MAX_PATH + 1, including
- // the null, so we need MAX_PATH + 2, so we can add an * to the end.
- wchar_t tempPath[MAX_PATH + 2];
- uint32_t pathLen = ::GetTempPathW(MAX_PATH + 1, tempPath);
- if (pathLen > 0) {
- // GetTempPath path ends with \ and returns the length without the null.
- tempPath[pathLen] = L'*';
- tempPath[pathLen + 1] = L'\0';
- mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_FILES,
- sandbox::TargetPolicy::FILES_ALLOW_ANY, tempPath);
- }
-#endif
-
- // Ceate the sandboxed process
- PROCESS_INFORMATION targetInfo = {0};
- sandbox::ResultCode result;
- result = sBrokerService->SpawnTarget(aPath, aArguments, mPolicy, &targetInfo);
- if (sandbox::SBOX_ALL_OK != result) {
- return false;
- }
-
- // The sandboxed process is started in a suspended state, resume it now that
- // we've set things up.
- ResumeThread(targetInfo.hThread);
- CloseHandle(targetInfo.hThread);
-
- // Return the process handle to the caller
- *aProcessHandle = targetInfo.hProcess;
-
- return true;
-}
-
-#if defined(MOZ_CONTENT_SANDBOX)
-void
-SandboxBroker::SetSecurityLevelForContentProcess(int32_t aSandboxLevel)
-{
- MOZ_RELEASE_ASSERT(mPolicy, "mPolicy must be set before this call.");
-
- sandbox::JobLevel jobLevel;
- sandbox::TokenLevel accessTokenLevel;
- sandbox::IntegrityLevel initialIntegrityLevel;
- sandbox::IntegrityLevel delayedIntegrityLevel;
-
- // The setting of these levels is pretty arbitrary, but they are a useful (if
- // crude) tool while we are tightening the policy. Gaps are left to try and
- // avoid changing their meaning.
- MOZ_RELEASE_ASSERT(aSandboxLevel >= 1, "Should not be called with aSandboxLevel < 1");
- if (aSandboxLevel >= 20) {
- jobLevel = sandbox::JOB_LOCKDOWN;
- accessTokenLevel = sandbox::USER_LOCKDOWN;
- initialIntegrityLevel = sandbox::INTEGRITY_LEVEL_LOW;
- delayedIntegrityLevel = sandbox::INTEGRITY_LEVEL_UNTRUSTED;
- } else if (aSandboxLevel >= 10) {
- jobLevel = sandbox::JOB_RESTRICTED;
- accessTokenLevel = sandbox::USER_LIMITED;
- initialIntegrityLevel = sandbox::INTEGRITY_LEVEL_LOW;
- delayedIntegrityLevel = sandbox::INTEGRITY_LEVEL_LOW;
- } else if (aSandboxLevel >= 2) {
- jobLevel = sandbox::JOB_INTERACTIVE;
- accessTokenLevel = sandbox::USER_INTERACTIVE;
- initialIntegrityLevel = sandbox::INTEGRITY_LEVEL_LOW;
- delayedIntegrityLevel = sandbox::INTEGRITY_LEVEL_LOW;
- } else if (aSandboxLevel == 1) {
- jobLevel = sandbox::JOB_NONE;
- accessTokenLevel = sandbox::USER_NON_ADMIN;
- initialIntegrityLevel = sandbox::INTEGRITY_LEVEL_LOW;
- delayedIntegrityLevel = sandbox::INTEGRITY_LEVEL_LOW;
- }
-
- sandbox::ResultCode result = mPolicy->SetJobLevel(jobLevel,
- 0 /* ui_exceptions */);
- MOZ_RELEASE_ASSERT(sandbox::SBOX_ALL_OK == result,
- "Setting job level failed, have you set memory limit when jobLevel == JOB_NONE?");
-
- // If the delayed access token is not restricted we don't want the initial one
- // to be either, because it can interfere with running from a network drive.
- sandbox::TokenLevel initialAccessTokenLevel =
- (accessTokenLevel == sandbox::USER_UNPROTECTED ||
- accessTokenLevel == sandbox::USER_NON_ADMIN)
- ? sandbox::USER_UNPROTECTED : sandbox::USER_RESTRICTED_SAME_ACCESS;
-
- result = mPolicy->SetTokenLevel(initialAccessTokenLevel, accessTokenLevel);
- MOZ_RELEASE_ASSERT(sandbox::SBOX_ALL_OK == result,
- "Lockdown level cannot be USER_UNPROTECTED or USER_LAST if initial level was USER_RESTRICTED_SAME_ACCESS");
-
- result = mPolicy->SetIntegrityLevel(initialIntegrityLevel);
- MOZ_RELEASE_ASSERT(sandbox::SBOX_ALL_OK == result,
- "SetIntegrityLevel should never fail, what happened?");
- result = mPolicy->SetDelayedIntegrityLevel(delayedIntegrityLevel);
- MOZ_RELEASE_ASSERT(sandbox::SBOX_ALL_OK == result,
- "SetDelayedIntegrityLevel should never fail, what happened?");
-
- if (aSandboxLevel > 2) {
- result = mPolicy->SetAlternateDesktop(true);
- MOZ_RELEASE_ASSERT(sandbox::SBOX_ALL_OK == result,
- "Failed to create alternate desktop for sandbox.");
- }
-
- sandbox::MitigationFlags mitigations =
- sandbox::MITIGATION_BOTTOM_UP_ASLR |
- sandbox::MITIGATION_HEAP_TERMINATE |
- sandbox::MITIGATION_SEHOP |
- sandbox::MITIGATION_DEP_NO_ATL_THUNK |
- sandbox::MITIGATION_DEP;
-
- result = mPolicy->SetProcessMitigations(mitigations);
- MOZ_RELEASE_ASSERT(sandbox::SBOX_ALL_OK == result,
- "Invalid flags for SetProcessMitigations.");
-
- mitigations =
- sandbox::MITIGATION_STRICT_HANDLE_CHECKS |
- sandbox::MITIGATION_DLL_SEARCH_ORDER;
-
- result = mPolicy->SetDelayedProcessMitigations(mitigations);
- MOZ_RELEASE_ASSERT(sandbox::SBOX_ALL_OK == result,
- "Invalid flags for SetDelayedProcessMitigations.");
-
- // Add the policy for the client side of a pipe. It is just a file
- // in the \pipe\ namespace. We restrict it to pipes that start with
- // "chrome." so the sandboxed process cannot connect to system services.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_FILES,
- sandbox::TargetPolicy::FILES_ALLOW_ANY,
- L"\\??\\pipe\\chrome.*");
- MOZ_RELEASE_ASSERT(sandbox::SBOX_ALL_OK == result,
- "With these static arguments AddRule should never fail, what happened?");
-
- // Add the policy for the client side of the crash server pipe.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_FILES,
- sandbox::TargetPolicy::FILES_ALLOW_ANY,
- L"\\??\\pipe\\gecko-crash-server-pipe.*");
- MOZ_RELEASE_ASSERT(sandbox::SBOX_ALL_OK == result,
- "With these static arguments AddRule should never fail, what happened?");
-
- // The content process needs to be able to duplicate named pipes back to the
- // broker process, which are File type handles.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
- sandbox::TargetPolicy::HANDLES_DUP_BROKER,
- L"File");
- MOZ_RELEASE_ASSERT(sandbox::SBOX_ALL_OK == result,
- "With these static arguments AddRule should never fail, what happened?");
-
- // The content process needs to be able to duplicate shared memory handles,
- // which are Section handles, to the broker process and other child processes.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
- sandbox::TargetPolicy::HANDLES_DUP_BROKER,
- L"Section");
- MOZ_RELEASE_ASSERT(sandbox::SBOX_ALL_OK == result,
- "With these static arguments AddRule should never fail, what happened?");
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
- sandbox::TargetPolicy::HANDLES_DUP_ANY,
- L"Section");
- MOZ_RELEASE_ASSERT(sandbox::SBOX_ALL_OK == result,
- "With these static arguments AddRule should never fail, what happened?");
-}
-#endif
-
-#define SANDBOX_ENSURE_SUCCESS(result, message) \
- do { \
- MOZ_ASSERT(sandbox::SBOX_ALL_OK == result, message); \
- if (sandbox::SBOX_ALL_OK != result) \
- return false; \
- } while (0)
-
-bool
-SandboxBroker::SetSecurityLevelForPluginProcess(int32_t aSandboxLevel)
-{
- if (!mPolicy) {
- return false;
- }
-
- sandbox::JobLevel jobLevel;
- sandbox::TokenLevel accessTokenLevel;
- sandbox::IntegrityLevel initialIntegrityLevel;
- sandbox::IntegrityLevel delayedIntegrityLevel;
-
- if (aSandboxLevel > 2) {
- jobLevel = sandbox::JOB_UNPROTECTED;
- accessTokenLevel = sandbox::USER_LIMITED;
- initialIntegrityLevel = sandbox::INTEGRITY_LEVEL_LOW;
- delayedIntegrityLevel = sandbox::INTEGRITY_LEVEL_LOW;
- } else if (aSandboxLevel == 2) {
- jobLevel = sandbox::JOB_UNPROTECTED;
- accessTokenLevel = sandbox::USER_INTERACTIVE;
- initialIntegrityLevel = sandbox::INTEGRITY_LEVEL_LOW;
- delayedIntegrityLevel = sandbox::INTEGRITY_LEVEL_LOW;
- } else {
- jobLevel = sandbox::JOB_NONE;
- accessTokenLevel = sandbox::USER_NON_ADMIN;
- initialIntegrityLevel = sandbox::INTEGRITY_LEVEL_MEDIUM;
- delayedIntegrityLevel = sandbox::INTEGRITY_LEVEL_MEDIUM;
- }
-
- sandbox::ResultCode result = mPolicy->SetJobLevel(jobLevel,
- 0 /* ui_exceptions */);
- SANDBOX_ENSURE_SUCCESS(result,
- "Setting job level failed, have you set memory limit when jobLevel == JOB_NONE?");
-
- result = mPolicy->SetTokenLevel(sandbox::USER_RESTRICTED_SAME_ACCESS,
- accessTokenLevel);
- SANDBOX_ENSURE_SUCCESS(result,
- "Lockdown level cannot be USER_UNPROTECTED or USER_LAST if initial level was USER_RESTRICTED_SAME_ACCESS");
-
- result = mPolicy->SetIntegrityLevel(initialIntegrityLevel);
- SANDBOX_ENSURE_SUCCESS(result,
- "SetIntegrityLevel should never fail, what happened?");
-
- result = mPolicy->SetDelayedIntegrityLevel(delayedIntegrityLevel);
- SANDBOX_ENSURE_SUCCESS(result,
- "SetDelayedIntegrityLevel should never fail, what happened?");
-
- sandbox::MitigationFlags mitigations =
- sandbox::MITIGATION_BOTTOM_UP_ASLR |
- sandbox::MITIGATION_HEAP_TERMINATE |
- sandbox::MITIGATION_SEHOP |
- sandbox::MITIGATION_DEP_NO_ATL_THUNK |
- sandbox::MITIGATION_DEP;
-
- result = mPolicy->SetProcessMitigations(mitigations);
- SANDBOX_ENSURE_SUCCESS(result,
- "Invalid flags for SetProcessMitigations.");
-
- // Add the policy for the client side of a pipe. It is just a file
- // in the \pipe\ namespace. We restrict it to pipes that start with
- // "chrome." so the sandboxed process cannot connect to system services.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_FILES,
- sandbox::TargetPolicy::FILES_ALLOW_ANY,
- L"\\??\\pipe\\chrome.*");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
- // Add the policy for the client side of the crash server pipe.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_FILES,
- sandbox::TargetPolicy::FILES_ALLOW_ANY,
- L"\\??\\pipe\\gecko-crash-server-pipe.*");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
- // The NPAPI process needs to be able to duplicate shared memory to the
- // content process and broker process, which are Section type handles.
- // Content and broker are for e10s and non-e10s cases.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
- sandbox::TargetPolicy::HANDLES_DUP_ANY,
- L"Section");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
- sandbox::TargetPolicy::HANDLES_DUP_BROKER,
- L"Section");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
- // The following is required for the Java plugin.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_FILES,
- sandbox::TargetPolicy::FILES_ALLOW_ANY,
- L"\\??\\pipe\\jpi2_pid*_pipe*");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
- // These register keys are used by the file-browser dialog box. They
- // remember the most-recently-used folders.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_REGISTRY,
- sandbox::TargetPolicy::REG_ALLOW_ANY,
- L"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\ComDlg32\\OpenSavePidlMRU\\*");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_REGISTRY,
- sandbox::TargetPolicy::REG_ALLOW_ANY,
- L"HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\ComDlg32\\LastVisitedPidlMRULegacy\\*");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
- return true;
-}
-
-bool
-SandboxBroker::SetSecurityLevelForGMPlugin(SandboxLevel aLevel)
-{
- if (!mPolicy) {
- return false;
- }
-
- auto result = mPolicy->SetJobLevel(sandbox::JOB_LOCKDOWN, 0);
- SANDBOX_ENSURE_SUCCESS(result,
- "SetJobLevel should never fail with these arguments, what happened?");
- auto level = (aLevel == Restricted) ?
- sandbox::USER_RESTRICTED : sandbox::USER_LOCKDOWN;
- result = mPolicy->SetTokenLevel(sandbox::USER_RESTRICTED_SAME_ACCESS, level);
- SANDBOX_ENSURE_SUCCESS(result,
- "SetTokenLevel should never fail with these arguments, what happened?");
-
- result = mPolicy->SetAlternateDesktop(true);
- SANDBOX_ENSURE_SUCCESS(result,
- "Failed to create alternate desktop for sandbox.");
-
- result = mPolicy->SetIntegrityLevel(sandbox::INTEGRITY_LEVEL_LOW);
- MOZ_ASSERT(sandbox::SBOX_ALL_OK == result,
- "SetIntegrityLevel should never fail with these arguments, what happened?");
-
- result =
- mPolicy->SetDelayedIntegrityLevel(sandbox::INTEGRITY_LEVEL_UNTRUSTED);
- SANDBOX_ENSURE_SUCCESS(result,
- "SetIntegrityLevel should never fail with these arguments, what happened?");
-
- sandbox::MitigationFlags mitigations =
- sandbox::MITIGATION_BOTTOM_UP_ASLR |
- sandbox::MITIGATION_HEAP_TERMINATE |
- sandbox::MITIGATION_SEHOP |
- sandbox::MITIGATION_DEP_NO_ATL_THUNK |
- sandbox::MITIGATION_DEP;
-
- result = mPolicy->SetProcessMitigations(mitigations);
- SANDBOX_ENSURE_SUCCESS(result,
- "Invalid flags for SetProcessMitigations.");
-
- mitigations =
- sandbox::MITIGATION_STRICT_HANDLE_CHECKS |
- sandbox::MITIGATION_DLL_SEARCH_ORDER;
-
- result = mPolicy->SetDelayedProcessMitigations(mitigations);
- SANDBOX_ENSURE_SUCCESS(result,
- "Invalid flags for SetDelayedProcessMitigations.");
-
- // Add the policy for the client side of a pipe. It is just a file
- // in the \pipe\ namespace. We restrict it to pipes that start with
- // "chrome." so the sandboxed process cannot connect to system services.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_FILES,
- sandbox::TargetPolicy::FILES_ALLOW_ANY,
- L"\\??\\pipe\\chrome.*");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
- // Add the policy for the client side of the crash server pipe.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_FILES,
- sandbox::TargetPolicy::FILES_ALLOW_ANY,
- L"\\??\\pipe\\gecko-crash-server-pipe.*");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
-#ifdef DEBUG
- // The plugin process can't create named events, but we'll
- // make an exception for the events used in logging. Removing
- // this will break EME in debug builds.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_SYNC,
- sandbox::TargetPolicy::EVENTS_ALLOW_ANY,
- L"ChromeIPCLog.*");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-#endif
-
- // The following rules were added because, during analysis of an EME
- // plugin during development, these registry keys were accessed when
- // loading the plugin. Commenting out these policy exceptions caused
- // plugin loading to fail, so they are necessary for proper functioning
- // of at least one EME plugin.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_REGISTRY,
- sandbox::TargetPolicy::REG_ALLOW_READONLY,
- L"HKEY_CURRENT_USER");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_REGISTRY,
- sandbox::TargetPolicy::REG_ALLOW_READONLY,
- L"HKEY_CURRENT_USER\\Control Panel\\Desktop");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_REGISTRY,
- sandbox::TargetPolicy::REG_ALLOW_READONLY,
- L"HKEY_CURRENT_USER\\Control Panel\\Desktop\\LanguageConfiguration");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_REGISTRY,
- sandbox::TargetPolicy::REG_ALLOW_READONLY,
- L"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\SideBySide");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
-
- // The following rules were added because, during analysis of an EME
- // plugin during development, these registry keys were accessed when
- // loading the plugin. Commenting out these policy exceptions did not
- // cause anything to break during initial testing, but might cause
- // unforeseen issues down the road.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_REGISTRY,
- sandbox::TargetPolicy::REG_ALLOW_READONLY,
- L"HKEY_LOCAL_MACHINE\\SOFTWARE\\Policies\\Microsoft\\MUI\\Settings");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_REGISTRY,
- sandbox::TargetPolicy::REG_ALLOW_READONLY,
- L"HKEY_CURRENT_USER\\Software\\Policies\\Microsoft\\Control Panel\\Desktop");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_REGISTRY,
- sandbox::TargetPolicy::REG_ALLOW_READONLY,
- L"HKEY_CURRENT_USER\\Control Panel\\Desktop\\PreferredUILanguages");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_REGISTRY,
- sandbox::TargetPolicy::REG_ALLOW_READONLY,
- L"HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\SideBySide\\PreferExternalManifest");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
- // The following rules were added to allow a GMP to be loaded when any
- // AppLocker DLL rules are specified. If the rules specifically block the DLL
- // then it will not load.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_FILES,
- sandbox::TargetPolicy::FILES_ALLOW_READONLY,
- L"\\Device\\SrpDevice");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_REGISTRY,
- sandbox::TargetPolicy::REG_ALLOW_READONLY,
- L"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Srp\\GP\\");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
- // On certain Windows versions there is a double slash before GP in the path.
- result = mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_REGISTRY,
- sandbox::TargetPolicy::REG_ALLOW_READONLY,
- L"HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Srp\\\\GP\\");
- SANDBOX_ENSURE_SUCCESS(result,
- "With these static arguments AddRule should never fail, what happened?");
-
-
- return true;
-}
-#undef SANDBOX_ENSURE_SUCCESS
-
-bool
-SandboxBroker::AllowReadFile(wchar_t const *file)
-{
- if (!mPolicy) {
- return false;
- }
-
- auto result =
- mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_FILES,
- sandbox::TargetPolicy::FILES_ALLOW_READONLY,
- file);
- if (sandbox::SBOX_ALL_OK != result) {
- LOG_E("Failed (ResultCode %d) to add read access to: %S", result, file);
- return false;
- }
-
- return true;
-}
-
-bool
-SandboxBroker::AllowReadWriteFile(wchar_t const *file)
-{
- if (!mPolicy) {
- return false;
- }
-
- auto result =
- mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_FILES,
- sandbox::TargetPolicy::FILES_ALLOW_ANY,
- file);
- if (sandbox::SBOX_ALL_OK != result) {
- LOG_E("Failed (ResultCode %d) to add read/write access to: %S",
- result, file);
- return false;
- }
-
- return true;
-}
-
-bool
-SandboxBroker::AllowDirectory(wchar_t const *dir)
-{
- if (!mPolicy) {
- return false;
- }
-
- auto result =
- mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_FILES,
- sandbox::TargetPolicy::FILES_ALLOW_DIR_ANY,
- dir);
- if (sandbox::SBOX_ALL_OK != result) {
- LOG_E("Failed (ResultCode %d) to add directory access to: %S", result, dir);
- return false;
- }
-
- return true;
-}
-
-bool
-SandboxBroker::AddTargetPeer(HANDLE aPeerProcess)
-{
- if (!sBrokerService) {
- return false;
- }
-
- sandbox::ResultCode result = sBrokerService->AddTargetPeer(aPeerProcess);
- return (sandbox::SBOX_ALL_OK == result);
-}
-
-void
-SandboxBroker::ApplyLoggingPolicy()
-{
- MOZ_ASSERT(mPolicy);
-
- // Add dummy rules, so that we can log in the interception code.
- // We already have a file interception set up for the client side of pipes.
- // Also, passing just "dummy" for file system policy causes win_utils.cc
- // IsReparsePoint() to loop.
- mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
- sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY, L"dummy");
- mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_PROCESS,
- sandbox::TargetPolicy::PROCESS_MIN_EXEC, L"dummy");
- mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_REGISTRY,
- sandbox::TargetPolicy::REG_ALLOW_READONLY,
- L"HKEY_CURRENT_USER\\dummy");
- mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_SYNC,
- sandbox::TargetPolicy::EVENTS_ALLOW_READONLY, L"dummy");
- mPolicy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
- sandbox::TargetPolicy::HANDLES_DUP_BROKER, L"dummy");
-}
-
-SandboxBroker::~SandboxBroker()
-{
- if (mPolicy) {
- mPolicy->Release();
- mPolicy = nullptr;
- }
-}
-
-}