1/* 2 * Copyright (C) 2010 Apple Inc. All rights reserved. 3 * Portions Copyright (c) 2010 Motorola Mobility, Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY MOTOROLA INC. AND ITS CONTRIBUTORS ``AS IS'' 15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MOTOROLA INC. OR ITS CONTRIBUTORS 18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 24 * THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include "config.h" 28#include "ProcessLauncher.h" 29 30#include "Connection.h" 31#include "ProcessExecutablePath.h" 32#include <WebCore/AuthenticationChallenge.h> 33#include <WebCore/FileSystem.h> 34#include <WebCore/NetworkingContext.h> 35#include <WebCore/ResourceHandle.h> 36#include <WebCore/RunLoop.h> 37#include <errno.h> 38#include <glib.h> 39#include <locale.h> 40#include <wtf/text/CString.h> 41#include <wtf/text/WTFString.h> 42#include <wtf/gobject/GOwnPtr.h> 43#include <wtf/gobject/GlibUtilities.h> 44 45#if OS(LINUX) 46#include <sys/prctl.h> 47#include <sys/socket.h> 48#endif 49 50#ifdef SOCK_SEQPACKET 51#define SOCKET_TYPE SOCK_SEQPACKET 52#else 53#define SOCKET_TYPE SOCK_STREAM 54#endif 55 56using namespace WebCore; 57 58namespace WebKit { 59 60static void childSetupFunction(gpointer userData) 61{ 62 int socket = GPOINTER_TO_INT(userData); 63 close(socket); 64} 65 66void ProcessLauncher::launchProcess() 67{ 68 GPid pid = 0; 69 70 int sockets[2]; 71 if (socketpair(AF_UNIX, SOCKET_TYPE, 0, sockets) < 0) { 72 g_printerr("Creation of socket failed: %s.\n", g_strerror(errno)); 73 ASSERT_NOT_REACHED(); 74 return; 75 } 76 77 String executablePath, pluginPath; 78 CString realExecutablePath, realPluginPath; 79 if (m_launchOptions.processType == WebProcess) 80 executablePath = executablePathOfWebProcess(); 81 else { 82 executablePath = executablePathOfPluginProcess(); 83 pluginPath = m_launchOptions.extraInitializationData.get("plugin-path"); 84 realPluginPath = fileSystemRepresentation(pluginPath); 85 } 86 87 realExecutablePath = fileSystemRepresentation(executablePath); 88 GOwnPtr<gchar> socket(g_strdup_printf("%d", sockets[0])); 89 char* argv[4]; 90 argv[0] = const_cast<char*>(realExecutablePath.data()); 91 argv[1] = socket.get(); 92 argv[2] = const_cast<char*>(realPluginPath.data()); 93 argv[3] = 0; 94 95 GOwnPtr<GError> error; 96 if (!g_spawn_async(0, argv, 0, G_SPAWN_LEAVE_DESCRIPTORS_OPEN, childSetupFunction, GINT_TO_POINTER(sockets[1]), &pid, &error.outPtr())) { 97 g_printerr("Unable to fork a new WebProcess: %s.\n", error->message); 98 ASSERT_NOT_REACHED(); 99 } 100 101 close(sockets[0]); 102 m_processIdentifier = pid; 103 104 // We've finished launching the process, message back to the main run loop. 105 RunLoop::main()->dispatch(bind(&ProcessLauncher::didFinishLaunchingProcess, this, m_processIdentifier, sockets[1])); 106} 107 108void ProcessLauncher::terminateProcess() 109{ 110 if (m_isLaunching) { 111 invalidate(); 112 return; 113 } 114 115 if (!m_processIdentifier) 116 return; 117 118 kill(m_processIdentifier, SIGKILL); 119 m_processIdentifier = 0; 120} 121 122void ProcessLauncher::platformInvalidate() 123{ 124} 125 126} // namespace WebKit 127