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/**************************************************************************
**
** This file is part of Qt SDK**
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).*
**
** Contact: Nokia Corporation qt-info@nokia.com**
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception version
** 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you are unsure which license is appropriate for your use, please contact
** (qt-info@nokia.com).
**
**************************************************************************/
#include "macrelocateqt.h"
#include "common/utils.h"
#include "fsengineclient.h"
#include <QtCore/QDirIterator>
#include <QtCore/QDebug>
#include <QtCore/QBuffer>
#include <QtCore/QProcess>
using namespace QInstaller;
Relocator::Relocator()
{
}
bool Relocator::apply(const QString &qtInstallDir, const QString &targetDir)
{
verbose() << "Relocator::apply(" << qtInstallDir << ')' << std::endl;
mErrorMessage.clear();
mOriginalInstallDir.clear();
{
QFile buildRootFile(qtInstallDir + QLatin1String("/.orig_build_root"));
if (buildRootFile.exists() && buildRootFile.open(QFile::ReadOnly)) {
mOriginalInstallDir = QString::fromLocal8Bit(buildRootFile.readAll()).trimmed();
if (!mOriginalInstallDir.endsWith(QLatin1Char('/')))
mOriginalInstallDir += QLatin1Char('/');
}
}
mInstallDir = targetDir;
if (!mInstallDir.endsWith(QLatin1Char('/')))
mInstallDir.append(QLatin1Char('/'));
if (!QFile::exists(qtInstallDir + QLatin1String("/bin/qmake"))) {
mErrorMessage = QLatin1String("This is not a Qt installation directory.");
return false;
}
{
QDirIterator dirIterator(qtInstallDir + QLatin1String("/lib"), QDirIterator::Subdirectories | QDirIterator::FollowSymlinks);
while (dirIterator.hasNext()) {
QString dirName = dirIterator.next();
if (dirName.endsWith(QLatin1String(".framework")))
relocateFramework(dirName);
}
}
QStringList dyLibDirs;
dyLibDirs << QLatin1String("/plugins") << QLatin1String("/lib") << QLatin1String("/imports");
foreach (QString dylibItem, dyLibDirs){
QDirIterator dirIterator(qtInstallDir + dylibItem, QDirIterator::Subdirectories | QDirIterator::FollowSymlinks);
while (dirIterator.hasNext()) {
QString fileName = dirIterator.next();
if (fileName.endsWith(QLatin1String(".dylib"))) {
relocateBinary(fileName);
}
}
}
// We should not iterate over each file, but to be sure check each of those in relocate
{
QDirIterator dirIterator(qtInstallDir + QLatin1String("/bin"), QDir::Files | QDir::NoDotAndDotDot, QDirIterator::Subdirectories | QDirIterator::FollowSymlinks);
while (dirIterator.hasNext()) {
QString fileName = dirIterator.next();
if (fileName.contains(QLatin1String("app/Contents")) && !fileName.contains(QLatin1String("/MacOS")))
continue;
relocateBinary(fileName);
}
}
return mErrorMessage.isNull();
}
bool Relocator::containsOriginalBuildDir(const QString &dirName)
{
int idx = dirName.indexOf(QLatin1String("_BUILD_"));
if (idx < 0)
return false;
return dirName.indexOf(QLatin1String("_PADDED_"), idx) >= 0;
}
void Relocator::extractExecutableInfo(const QString& fileName, QStringList& frameworks)
{
verbose() << "Relocator calling otool -l for " << fileName << std::endl;
QProcess otool;
otool.start(QLatin1String("otool"), QStringList() << QLatin1String("-l") << fileName);
if (!otool.waitForStarted()) {
mErrorMessage = QLatin1String("Can't start otool. Is Xcode installed?");
return;
}
otool.waitForFinished();
enum State {
State_Start,
State_LC_ID_DYLIB,
State_LC_LOAD_DYLIB
};
State state = State_Start;
QByteArray outputData = otool.readAllStandardOutput();
QBuffer output(&outputData);
output.open(QBuffer::ReadOnly);
while (!output.atEnd()) {
QString line = QString::fromLocal8Bit(output.readLine());
line = line.trimmed();
// qDebug() << line;
if (line.startsWith(QLatin1String("cmd "))) {
line.remove(0, 4);
if (line == QLatin1String("LC_LOAD_DYLIB"))
state = State_LC_LOAD_DYLIB;
else if (line == QLatin1String("LC_ID_DYLIB"))
state = State_LC_ID_DYLIB;
else
state = State_Start;
} else if (state == State_LC_LOAD_DYLIB && line.startsWith(QLatin1String("name "))) {
line.remove(0, 5);
int idx = line.indexOf(QLatin1String("(offset"));
if (idx > 0)
line.truncate(idx);
line = line.trimmed();
if (containsOriginalBuildDir(line))
frameworks.append(line);
} else if (state == State_LC_ID_DYLIB && mOriginalInstallDir.isNull() && line.startsWith(QLatin1String("name "))) {
line.remove(0, 5);
if (containsOriginalBuildDir(line)) {
mOriginalInstallDir = line;
const QString lastBuildDirPart = QLatin1String("/ndk/");
int idx = mOriginalInstallDir.indexOf(lastBuildDirPart);
if (idx < 0)
continue;
mOriginalInstallDir.truncate(idx + lastBuildDirPart.length());
}
}
}
}
void Relocator::relocateBinary(const QString& fileName)
{
QStringList frameworks;
extractExecutableInfo(fileName, frameworks);
QStringList args;
args << QLatin1String("-id") << fileName << fileName;
if (!execCommand(QLatin1String("install_name_tool"), args))
return;
foreach (const QString& fw, frameworks) {
if (!fw.startsWith(mOriginalInstallDir))
continue;
QString newPath = mInstallDir;
newPath += fw.mid(mOriginalInstallDir.length());
args.clear();
args << QLatin1String("-change") << fw << newPath << fileName;
if (!execCommand(QLatin1String("install_name_tool"), args))
return;
}
}
void Relocator::relocateFramework(const QString& directoryName)
{
QFileInfo fi(directoryName);
QString frameworkName = fi.baseName();
fi.setFile(directoryName + QLatin1String("/Versions/Current/") + frameworkName);
if (fi.exists()) {
QString fileName = fi.isSymLink() ? fi.symLinkTarget() : fi.absoluteFilePath();
relocateBinary(fileName);
}
fi.setFile(directoryName + QLatin1String("/Versions/Current/") + frameworkName + QLatin1String("_debug"));
if (fi.exists()) {
QString fileName = fi.isSymLink() ? fi.symLinkTarget() : fi.absoluteFilePath();
relocateBinary(fileName);
}
}
bool Relocator::execCommand(const QString& cmd, const QStringList& args)
{
verbose() << "Relocator::execCommand " << cmd << " " << args << std::endl;
QProcessWrapper process;
process.start(cmd, args);
if (!process.waitForStarted()) {
mErrorMessage = QLatin1String("Can't start process ") + cmd + QLatin1String(".");
return false;
}
process.waitForFinished();
if (process.exitCode() != 0) {
mErrorMessage = QLatin1String("Command %1 failed.\nArguments: %2\nOutput: %3\n");
mErrorMessage = mErrorMessage.arg(cmd, args.join(QLatin1String(" ")), QString::fromLocal8Bit(process.readAll()));
return false;
}
return true;
}
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