| /* |
| * Copyright (C) 2010, 2012 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #import "config.h" |
| #import "PluginInfoStore.h" |
| |
| #if PLATFORM(MAC) && ENABLE(NETSCAPE_PLUGIN_API) |
| |
| #import "Logging.h" |
| #import "NetscapePluginModule.h" |
| #import "SandboxUtilities.h" |
| #import <WebCore/PluginBlacklist.h> |
| #import <WebCore/RuntimeEnabledFeatures.h> |
| #import <pwd.h> |
| #import <wtf/HashSet.h> |
| #import <wtf/RetainPtr.h> |
| #import <wtf/text/CString.h> |
| |
| namespace WebKit { |
| using namespace WebCore; |
| |
| Vector<String> PluginInfoStore::pluginsDirectories() |
| { |
| Vector<String> pluginsDirectories; |
| pluginsDirectories.reserveInitialCapacity(2); |
| |
| ASCIILiteral pluginPath { "/Library/Internet Plug-Ins"_s }; |
| |
| if (auto* pw = getpwuid(getuid())) |
| pluginsDirectories.uncheckedAppend(makeString(pw->pw_dir, pluginPath)); |
| pluginsDirectories.uncheckedAppend(pluginPath); |
| |
| return pluginsDirectories; |
| } |
| |
| Vector<String> PluginInfoStore::pluginPathsInDirectory(const String& directory) |
| { |
| Vector<String> pluginPaths; |
| |
| RetainPtr<CFStringRef> directoryCFString = directory.createCFString(); |
| NSArray *filenames = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:(__bridge NSString *)directoryCFString.get() error:nil]; |
| for (NSString *filename in filenames) |
| pluginPaths.append([(__bridge NSString *)directoryCFString.get() stringByAppendingPathComponent:filename]); |
| |
| return pluginPaths; |
| } |
| |
| Vector<String> PluginInfoStore::individualPluginPaths() |
| { |
| return Vector<String>(); |
| } |
| |
| bool PluginInfoStore::getPluginInfo(const String& pluginPath, PluginModuleInfo& plugin) |
| { |
| return NetscapePluginModule::getPluginInfo(pluginPath, plugin); |
| } |
| |
| static bool shouldBlockPlugin(const PluginModuleInfo& plugin) |
| { |
| PluginModuleLoadPolicy loadPolicy = PluginInfoStore::defaultLoadPolicyForPlugin(plugin); |
| return loadPolicy == PluginModuleBlockedForSecurity || loadPolicy == PluginModuleBlockedForCompatibility; |
| } |
| |
| bool PluginInfoStore::shouldUsePlugin(Vector<PluginModuleInfo>& alreadyLoadedPlugins, const PluginModuleInfo& plugin) |
| { |
| for (size_t i = 0; i < alreadyLoadedPlugins.size(); ++i) { |
| const PluginModuleInfo& loadedPlugin = alreadyLoadedPlugins[i]; |
| |
| // If a plug-in with the same bundle identifier already exists, we don't want to load it. |
| // However, if the already existing plug-in is blocked we want to replace it with the new plug-in. |
| if (loadedPlugin.bundleIdentifier == plugin.bundleIdentifier) { |
| if (!shouldBlockPlugin(loadedPlugin)) |
| return false; |
| |
| alreadyLoadedPlugins.remove(i); |
| break; |
| } |
| } |
| |
| if (plugin.bundleIdentifier == "com.apple.java.JavaAppletPlugin") { |
| LOG(Plugins, "Ignoring com.apple.java.JavaAppletPlugin"); |
| return false; |
| } |
| |
| if (currentProcessIsSandboxed() && !plugin.hasSandboxProfile) { |
| LOG(Plugins, "Ignoring unsandboxed plug-in %s", plugin.bundleIdentifier.utf8().data()); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| PluginModuleLoadPolicy PluginInfoStore::defaultLoadPolicyForPlugin(const PluginModuleInfo& plugin) |
| { |
| switch (PluginBlacklist::loadPolicyForPluginVersion(plugin.bundleIdentifier, plugin.versionString)) { |
| case PluginBlacklist::LoadPolicy::LoadNormally: |
| return PluginModuleLoadNormally; |
| case PluginBlacklist::LoadPolicy::BlockedForSecurity: |
| return PluginModuleBlockedForSecurity; |
| case PluginBlacklist::LoadPolicy::BlockedForCompatibility: |
| return PluginModuleBlockedForCompatibility; |
| } |
| } |
| |
| PluginModuleInfo PluginInfoStore::findPluginWithBundleIdentifier(const String& bundleIdentifier) |
| { |
| loadPluginsIfNecessary(); |
| |
| for (size_t i = 0; i < m_plugins.size(); ++i) { |
| if (m_plugins[i].bundleIdentifier == bundleIdentifier) |
| return m_plugins[i]; |
| } |
| |
| return PluginModuleInfo(); |
| } |
| |
| } // namespace WebKit |
| |
| #endif // PLATFORM(MAC) && ENABLE(NETSCAPE_PLUGIN_API) |