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/*
* Copyright (C) 2012 Samsung Electronics
*
* 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.
*/
#include "config.h"
#include "ProcessExecutablePath.h"
#include "FileSystem.h"
#include <libgen.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <wtf/StdLibExtras.h>
#include <wtf/text/CString.h>
namespace WebKit {
static String findProcessPath(const char* processName)
{
#if OS(UNIX)
char readLinkBuffer[PATH_MAX] = {0};
#if OS(LINUX)
ssize_t result = readlink("/proc/self/exe", readLinkBuffer, PATH_MAX);
#else
ssize_t result = readlink("/proc/curproc/file", readLinkBuffer, PATH_MAX);
#endif
if (result > 0) {
char* executablePathPtr = dirname(readLinkBuffer);
String executablePath = WebCore::pathByAppendingComponent(String(executablePathPtr), processName);
// Checks whether process exist on the current path.
struct stat fileStat;
if (!stat(executablePath.utf8().data(), &fileStat))
return executablePath;
}
#endif
return WebCore::pathByAppendingComponent(String(LIBEXECDIR), processName);
}
String executablePathOfWebProcess()
{
DEFINE_STATIC_LOCAL(const String, webKitWebProcessName, (findProcessPath(WEBPROCESSNAME)));
return webKitWebProcessName;
}
String executablePathOfPluginProcess()
{
DEFINE_STATIC_LOCAL(const String, webKitPluginProcessName, (findProcessPath(PLUGINPROCESSNAME)));
return webKitPluginProcessName;
}
} // namespace WebKit
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