int main(int argc, char *argv[])
{
QString workDir;
#ifdef Q_OS_MAC
if (QDir(QString()).absolutePath() == "/") {
QString first = argc ? QString::fromLocal8Bit(argv[0]) : QString();
if (!first.isEmpty()) {
QFileInfo info(first);
if (info.exists()) {
QDir result(info.absolutePath() + "/../../..");
workDir = result.absolutePath() + '/';
}
}
}
#endif
QString remove;
int version = 0;
QFileInfoList files;
for (int i = 0; i < argc; ++i) {
if (string("-path") == argv[i] && i + 1 < argc) {
QString path = workDir + QString(argv[i + 1]);
QFileInfo info(path);
files.push_back(info);
if (remove.isEmpty()) remove = info.canonicalPath() + "/";
} else if (string("-version") == argv[i] && i + 1 < argc) {
version = QString(argv[i + 1]).toInt();
} else if (string("-dev") == argv[i]) {
DevChannel = true;
} else if (string("-beta") == argv[i] && i + 1 < argc) {
BetaVersion = QString(argv[i + 1]).toULongLong();
if (BetaVersion > version * 1000ULL && BetaVersion < (version + 1) * 1000ULL) {
DevChannel = false;
BetaSignature = countBetaVersionSignature(BetaVersion);
if (BetaSignature.isEmpty()) {
return -1;
}
} else {
cout << "Bad -beta param value passed, should be for the same version: " << version << ", beta: " << BetaVersion << "\n";
return -1;
}
}
}
if (files.isEmpty() || remove.isEmpty() || version <= 1016 || version > 999999999) {
#ifdef Q_OS_WIN
cout << "Usage: Packer.exe -path {file} -version {version} OR Packer.exe -path {dir} -version {version}\n";
#elif defined Q_OS_MAC
cout << "Usage: Packer.app -path {file} -version {version} OR Packer.app -path {dir} -version {version}\n";
#else
cout << "Usage: Packer -path {file} -version {version} OR Packer -path {dir} -version {version}\n";
#endif
return -1;
}
bool hasDirs = true;
while (hasDirs) {
hasDirs = false;
for (QFileInfoList::iterator i = files.begin(); i != files.end(); ++i) {
QFileInfo info(*i);
QString fullPath = info.canonicalFilePath();
if (info.isDir()) {
hasDirs = true;
files.erase(i);
QDir d = QDir(info.absoluteFilePath());
QString fullDir = d.canonicalPath();
QStringList entries = d.entryList(QDir::Files | QDir::Dirs | QDir::NoSymLinks | QDir::NoDotAndDotDot);
files.append(d.entryInfoList(QDir::Files | QDir::Dirs | QDir::NoSymLinks | QDir::NoDotAndDotDot));
break;
} else if (!info.isReadable()) {
cout << "Can't read: " << info.absoluteFilePath().toUtf8().constData() << "\n";
return -1;
} else if (info.isHidden()) {
hasDirs = true;
files.erase(i);
break;
}
}
}
for (QFileInfoList::iterator i = files.begin(); i != files.end(); ++i) {
QFileInfo info(*i);
if (!info.canonicalFilePath().startsWith(remove)) {
cout << "Can't find '" << remove.toUtf8().constData() << "' in file '" << info.canonicalFilePath().toUtf8().constData() << "' :(\n";
return -1;
}
}
QByteArray result;
{
QBuffer buffer(&result);
buffer.open(QIODevice::WriteOnly);
QDataStream stream(&buffer);
stream.setVersion(QDataStream::Qt_5_1);
if (BetaVersion) {
stream << quint32(0x7FFFFFFF);
stream << quint64(BetaVersion);
} else {
stream << quint32(version);
}
stream << quint32(files.size());
cout << "Found " << files.size() << " file" << (files.size() == 1 ? "" : "s") << "..\n";
for (QFileInfoList::iterator i = files.begin(); i != files.end(); ++i) {
QFileInfo info(*i);
QString fullName = info.canonicalFilePath();
QString name = fullName.mid(remove.length());
cout << name.toUtf8().constData() << " (" << info.size() << ")\n";
QFile f(fullName);
if (!f.open(QIODevice::ReadOnly)) {
cout << "Can't open '" << fullName.toUtf8().constData() << "' for read..\n";
return -1;
}
QByteArray inner = f.readAll();
stream << name << quint32(inner.size()) << inner;
#if defined Q_OS_MAC || defined Q_OS_LINUX
stream << (QFileInfo(fullName).isExecutable() ? true : false);
#endif
}
if (stream.status() != QDataStream::Ok) {
cout << "Stream status is bad: " << stream.status() << "\n";
return -1;
}
}
int32 resultSize = result.size();
cout << "Compression start, size: " << resultSize << "\n";
QByteArray compressed, resultCheck;
#ifdef Q_OS_WIN // use Lzma SDK for win
const int32 hSigLen = 128, hShaLen = 20, hPropsLen = LZMA_PROPS_SIZE, hOriginalSizeLen = sizeof(int32), hSize = hSigLen + hShaLen + hPropsLen + hOriginalSizeLen; // header
compressed.resize(hSize + resultSize + 1024 * 1024); // rsa signature + sha1 + lzma props + max compressed size
size_t compressedLen = compressed.size() - hSize;
size_t outPropsSize = LZMA_PROPS_SIZE;
uchar *_dest = (uchar*)(compressed.data() + hSize);
size_t *_destLen = &compressedLen;
const uchar *_src = (const uchar*)(result.constData());
size_t _srcLen = result.size();
uchar *_outProps = (uchar*)(compressed.data() + hSigLen + hShaLen);
int res = LzmaCompress(_dest, _destLen, _src, _srcLen, _outProps, &outPropsSize, 9, 64 * 1024 * 1024, 4, 0, 2, 273, 2);
if (res != SZ_OK) {
cout << "Error in compression: " << res << "\n";
return -1;
}
compressed.resize(int(hSize + compressedLen));
memcpy(compressed.data() + hSigLen + hShaLen + hPropsLen, &resultSize, hOriginalSizeLen);
cout << "Compressed to size: " << compressedLen << "\n";
cout << "Checking uncompressed..\n";
int32 resultCheckLen;
memcpy(&resultCheckLen, compressed.constData() + hSigLen + hShaLen + hPropsLen, hOriginalSizeLen);
if (resultCheckLen <= 0 || resultCheckLen > 1024 * 1024 * 1024) {
cout << "Bad result len: " << resultCheckLen << "\n";
return -1;
}
resultCheck.resize(resultCheckLen);
size_t resultLen = resultCheck.size();
SizeT srcLen = compressedLen;
int uncompressRes = LzmaUncompress((uchar*)resultCheck.data(), &resultLen, (const uchar*)(compressed.constData() + hSize), &srcLen, (const uchar*)(compressed.constData() + hSigLen + hShaLen), LZMA_PROPS_SIZE);
if (uncompressRes != SZ_OK) {
cout << "Uncompress failed: " << uncompressRes << "\n";
return -1;
}
if (resultLen != size_t(result.size())) {
cout << "Uncompress bad size: " << resultLen << ", was: " << result.size() << "\n";
return -1;
}
#else // use liblzma for others
const int32 hSigLen = 128, hShaLen = 20, hPropsLen = 0, hOriginalSizeLen = sizeof(int32), hSize = hSigLen + hShaLen + hOriginalSizeLen; // header
compressed.resize(hSize + resultSize + 1024 * 1024); // rsa signature + sha1 + lzma props + max compressed size
size_t compressedLen = compressed.size() - hSize;
lzma_stream stream = LZMA_STREAM_INIT;
int preset = 9 | LZMA_PRESET_EXTREME;
lzma_ret ret = lzma_easy_encoder(&stream, preset, LZMA_CHECK_CRC64);
if (ret != LZMA_OK) {
const char *msg;
switch (ret) {
case LZMA_MEM_ERROR: msg = "Memory allocation failed"; break;
case LZMA_OPTIONS_ERROR: msg = "Specified preset is not supported"; break;
case LZMA_UNSUPPORTED_CHECK: msg = "Specified integrity check is not supported"; break;
default: msg = "Unknown error, possibly a bug"; break;
}
cout << "Error initializing the encoder: " << msg << " (error code " << ret << ")\n";
return -1;
}
stream.avail_in = resultSize;
stream.next_in = (uint8_t*)result.constData();
stream.avail_out = compressedLen;
stream.next_out = (uint8_t*)(compressed.data() + hSize);
lzma_ret res = lzma_code(&stream, LZMA_FINISH);
compressedLen -= stream.avail_out;
lzma_end(&stream);
if (res != LZMA_OK && res != LZMA_STREAM_END) {
const char *msg;
switch (res) {
case LZMA_MEM_ERROR: msg = "Memory allocation failed"; break;
case LZMA_DATA_ERROR: msg = "File size limits exceeded"; break;
default: msg = "Unknown error, possibly a bug"; break;
}
cout << "Error in compression: " << msg << " (error code " << res << ")\n";
return -1;
}
compressed.resize(int(hSize + compressedLen));
memcpy(compressed.data() + hSigLen + hShaLen, &resultSize, hOriginalSizeLen);
cout << "Compressed to size: " << compressedLen << "\n";
cout << "Checking uncompressed..\n";
int32 resultCheckLen;
memcpy(&resultCheckLen, compressed.constData() + hSigLen + hShaLen, hOriginalSizeLen);
if (resultCheckLen <= 0 || resultCheckLen > 1024 * 1024 * 1024) {
cout << "Bad result len: " << resultCheckLen << "\n";
return -1;
}
resultCheck.resize(resultCheckLen);
size_t resultLen = resultCheck.size();
stream = LZMA_STREAM_INIT;
ret = lzma_stream_decoder(&stream, UINT64_MAX, LZMA_CONCATENATED);
if (ret != LZMA_OK) {
const char *msg;
switch (ret) {
case LZMA_MEM_ERROR: msg = "Memory allocation failed"; break;
case LZMA_OPTIONS_ERROR: msg = "Specified preset is not supported"; break;
case LZMA_UNSUPPORTED_CHECK: msg = "Specified integrity check is not supported"; break;
default: msg = "Unknown error, possibly a bug"; break;
}
cout << "Error initializing the decoder: " << msg << " (error code " << ret << ")\n";
return -1;
}
stream.avail_in = compressedLen;
stream.next_in = (uint8_t*)(compressed.constData() + hSize);
stream.avail_out = resultLen;
stream.next_out = (uint8_t*)resultCheck.data();
res = lzma_code(&stream, LZMA_FINISH);
if (stream.avail_in) {
cout << "Error in decompression, " << stream.avail_in << " bytes left in _in of " << compressedLen << " whole.\n";
return -1;
} else if (stream.avail_out) {
cout << "Error in decompression, " << stream.avail_out << " bytes free left in _out of " << resultLen << " whole.\n";
return -1;
}
lzma_end(&stream);
if (res != LZMA_OK && res != LZMA_STREAM_END) {
const char *msg;
switch (res) {
case LZMA_MEM_ERROR: msg = "Memory allocation failed"; break;
case LZMA_FORMAT_ERROR: msg = "The input data is not in the .xz format"; break;
case LZMA_OPTIONS_ERROR: msg = "Unsupported compression options"; break;
case LZMA_DATA_ERROR: msg = "Compressed file is corrupt"; break;
case LZMA_BUF_ERROR: msg = "Compressed data is truncated or otherwise corrupt"; break;
default: msg = "Unknown error, possibly a bug"; break;
}
cout << "Error in decompression: " << msg << " (error code " << res << ")\n";
return -1;
}
#endif
if (memcmp(result.constData(), resultCheck.constData(), resultLen)) {
cout << "Data differ :(\n";
return -1;
}
/**/
result = resultCheck = QByteArray();
cout << "Counting SHA1 hash..\n";
uchar sha1Buffer[20];
memcpy(compressed.data() + hSigLen, hashSha1(compressed.constData() + hSigLen + hShaLen, uint32(compressedLen + hPropsLen + hOriginalSizeLen), sha1Buffer), hShaLen); // count sha1
uint32 siglen = 0;
cout << "Signing..\n";
RSA *prKey = PEM_read_bio_RSAPrivateKey(BIO_new_mem_buf(const_cast<char*>((DevChannel || BetaVersion) ? PrivateDevKey : PrivateKey), -1), 0, 0, 0);
if (!prKey) {
cout << "Could not read RSA private key!\n";
return -1;
}
if (RSA_size(prKey) != hSigLen) {
cout << "Bad private key, size: " << RSA_size(prKey) << "\n";
RSA_free(prKey);
return -1;
}
if (RSA_sign(NID_sha1, (const uchar*)(compressed.constData() + hSigLen), hShaLen, (uchar*)(compressed.data()), &siglen, prKey) != 1) { // count signature
cout << "Signing failed!\n";
RSA_free(prKey);
return -1;
}
RSA_free(prKey);
if (siglen != hSigLen) {
cout << "Bad signature length: " << siglen << "\n";
return -1;
}
cout << "Checking signature..\n";
RSA *pbKey = PEM_read_bio_RSAPublicKey(BIO_new_mem_buf(const_cast<char*>((DevChannel || BetaVersion) ? PublicDevKey : PublicKey), -1), 0, 0, 0);
if (!pbKey) {
cout << "Could not read RSA public key!\n";
return -1;
}
if (RSA_verify(NID_sha1, (const uchar*)(compressed.constData() + hSigLen), hShaLen, (const uchar*)(compressed.constData()), siglen, pbKey) != 1) { // verify signature
RSA_free(pbKey);
cout << "Signature verification failed!\n";
return -1;
}
cout << "Signature verified!\n";
RSA_free(pbKey);
#ifdef Q_OS_WIN
QString outName(QString("tupdate%1").arg(BetaVersion ? BetaVersion : version));
#elif defined Q_OS_MAC
QString outName(QString("tmacupd%1").arg(BetaVersion ? BetaVersion : version));
#elif defined Q_OS_LINUX32
QString outName(QString("tlinux32upd%1").arg(BetaVersion ? BetaVersion : version));
#elif defined Q_OS_LINUX64
QString outName(QString("tlinuxupd%1").arg(BetaVersion ? BetaVersion : version));
#else
#error Unknown platform!
#endif
if (BetaVersion) {
outName += "_" + BetaSignature;
}
QFile out(outName);
if (!out.open(QIODevice::WriteOnly)) {
cout << "Can't open '" << outName.toUtf8().constData() << "' for write..\n";
return -1;
}
out.write(compressed);
out.close();
if (BetaVersion) {
QString keyName(QString("tbeta_%1_key").arg(BetaVersion));
QFile key(keyName);
if (!key.open(QIODevice::WriteOnly)) {
cout << "Can't open '" << keyName.toUtf8().constData() << "' for write..\n";
return -1;
}
key.write(BetaSignature.toUtf8());
key.close();
}
cout << "Update file '" << outName.toUtf8().constData() << "' written successfully!\n";
return 0;
}
