1/* 2 * Copyright (C) 2011 Igalia S.L. 3 * Copyright (C) 2011 Apple Inc. 4 * Copyright (C) 2012 Samsung Electronics 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 17 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 19 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 25 * THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include "config.h" 29#include "PluginProcessProxy.h" 30 31#if ENABLE(PLUGIN_PROCESS) 32 33#include "PluginProcessCreationParameters.h" 34#include "ProcessExecutablePath.h" 35#include <WebCore/FileSystem.h> 36#include <wtf/text/CString.h> 37#include <wtf/text/WTFString.h> 38#if PLATFORM(GTK) || PLATFORM(EFL) 39#include <glib.h> 40#include <wtf/gobject/GUniquePtr.h> 41#endif 42 43#include <sys/wait.h> 44 45using namespace WebCore; 46 47namespace WebKit { 48 49void PluginProcessProxy::platformGetLaunchOptions(ProcessLauncher::LaunchOptions& launchOptions, const PluginProcessAttributes& pluginProcessAttributes) 50{ 51#if PLATFORM(EFL) && !defined(NDEBUG) 52 const char* commandPrefix = getenv("PLUGIN_PROCESS_COMMAND_PREFIX"); 53 if (commandPrefix && *commandPrefix) 54 launchOptions.processCmdPrefix = String::fromUTF8(commandPrefix); 55#endif 56 57 launchOptions.extraInitializationData.add("plugin-path", pluginProcessAttributes.moduleInfo.path); 58#if PLATFORM(GTK) 59 if (pluginProcessAttributes.moduleInfo.requiresGtk2) 60 launchOptions.extraInitializationData.add("requires-gtk2", emptyString()); 61#endif 62} 63 64void PluginProcessProxy::platformInitializePluginProcess(PluginProcessCreationParameters&) 65{ 66} 67 68#if PLUGIN_ARCHITECTURE(X11) 69bool PluginProcessProxy::scanPlugin(const String& pluginPath, RawPluginMetaData& result) 70{ 71#if PLATFORM(GTK) || PLATFORM(EFL) 72 CString binaryPath = fileSystemRepresentation(executablePathOfPluginProcess()); 73 CString pluginPathCString = fileSystemRepresentation(pluginPath); 74 char* argv[4]; 75 argv[0] = const_cast<char*>(binaryPath.data()); 76 argv[1] = const_cast<char*>("-scanPlugin"); 77 argv[2] = const_cast<char*>(pluginPathCString.data()); 78 argv[3] = 0; 79 80 int status; 81 GUniqueOutPtr<char> stdOut; 82 83 // If the disposition of SIGCLD signal is set to SIG_IGN (default) 84 // then the signal will be ignored and g_spawn_sync() will not be 85 // able to return the status. 86 // As a consequence, we make sure that the disposition is set to 87 // SIG_DFL before calling g_spawn_sync(). 88#if defined(SIGCLD) 89 struct sigaction action; 90 sigaction(SIGCLD, 0, &action); 91 if (action.sa_handler == SIG_IGN) { 92 action.sa_handler = SIG_DFL; 93 sigaction(SIGCLD, &action, 0); 94 } 95#endif 96 97 if (!g_spawn_sync(0, argv, 0, G_SPAWN_STDERR_TO_DEV_NULL, 0, 0, &stdOut.outPtr(), 0, &status, 0)) 98 return false; 99 100 if (!WIFEXITED(status) || WEXITSTATUS(status) != EXIT_SUCCESS || !stdOut) 101 return false; 102 103 String stdOutString = String::fromUTF8(stdOut.get()); 104 105 Vector<String> lines; 106 stdOutString.split(UChar('\n'), true, lines); 107 108 if (lines.size() < 3) 109 return false; 110 111 result.name.swap(lines[0]); 112 result.description.swap(lines[1]); 113 result.mimeDescription.swap(lines[2]); 114#if PLATFORM(GTK) 115 if (lines.size() > 3) 116 result.requiresGtk2 = lines[3] == "requires-gtk2"; 117#endif 118 return !result.mimeDescription.isEmpty(); 119#else // PLATFORM(GTK) || PLATFORM(EFL) 120 return false; 121#endif // PLATFORM(GTK) || PLATFORM(EFL) 122} 123#endif // PLUGIN_ARCHITECTURE(X11) 124 125} // namespace WebKit 126 127#endif // ENABLE(PLUGIN_PROCESS) 128