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 "ProcessExecutablePath.h"
29
30#include <WebCore/FileSystem.h>
31#include <glib.h>
32#include <wtf/gobject/GlibUtilities.h>
33
34using namespace WebCore;
35
36namespace WebKit {
37
38const char* gWebKitWebProcessName = "WebKitWebProcess";
39const char* gWebKitPluginProcessName = "WebKitPluginProcess";
40
41static String findWebKitProcess(const char* processName)
42{
43    const char* execDirectory = g_getenv("WEBKIT_EXEC_PATH");
44    if (execDirectory) {
45        String processPath = pathByAppendingComponent(filenameToString(execDirectory), processName);
46        if (fileExists(processPath))
47            return processPath;
48    }
49
50    static bool gotExecutablePath = false;
51    static String executablePath;
52    if (!gotExecutablePath) {
53        gotExecutablePath = true;
54
55        CString executableFile = getCurrentExecutablePath();
56        if (!executableFile.isNull())
57            executablePath = directoryName(filenameToString(executableFile.data()));
58    }
59
60    if (!executablePath.isNull()) {
61        String processPath = pathByAppendingComponent(executablePath, processName);
62        if (fileExists(processPath))
63            return processPath;
64    }
65
66    return pathByAppendingComponent(filenameToString(LIBEXECDIR), processName);
67}
68
69String executablePathOfWebProcess()
70{
71    return findWebKitProcess(gWebKitWebProcessName);
72}
73
74String executablePathOfPluginProcess()
75{
76    return findWebKitProcess(gWebKitPluginProcessName);
77}
78
79} // namespace WebKit
80