Test for "large" files (faked, but seemingly working)
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alqualos
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b8726ee5c9
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c69a2f6d19
3 changed files with 129 additions and 23 deletions
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@ -1048,33 +1048,33 @@ local int unz64local_GetCurrentFileInfoInternal (unzFile file,
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/* ZIP64 extra fields */
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if (headerId == 0x0001)
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{
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uLong uL;
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uLong uL;
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if(file_info.uncompressed_size == (ZPOS64_T)(unsigned long)-1)
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{
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if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK)
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err=UNZ_ERRNO;
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}
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if(file_info.uncompressed_size == (ZPOS64_T)(unsigned long)-1)
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{
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if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK)
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err=UNZ_ERRNO;
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}
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if(file_info.compressed_size == (ZPOS64_T)(unsigned long)-1)
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{
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if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info.compressed_size) != UNZ_OK)
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err=UNZ_ERRNO;
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}
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if(file_info.compressed_size == (ZPOS64_T)(unsigned long)-1)
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{
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if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info.compressed_size) != UNZ_OK)
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err=UNZ_ERRNO;
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}
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if(file_info_internal.offset_curfile == (ZPOS64_T)(unsigned long)-1)
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{
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/* Relative Header offset */
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if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info_internal.offset_curfile) != UNZ_OK)
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err=UNZ_ERRNO;
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}
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if(file_info_internal.offset_curfile == (ZPOS64_T)(unsigned long)-1)
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{
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/* Relative Header offset */
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if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info_internal.offset_curfile) != UNZ_OK)
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err=UNZ_ERRNO;
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}
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if(file_info.disk_num_start == (unsigned long)-1)
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{
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/* Disk Start Number */
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if (unz64local_getLong(&s->z_filefunc, s->filestream,&uL) != UNZ_OK)
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err=UNZ_ERRNO;
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}
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if(file_info.disk_num_start == (unsigned long)-1)
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{
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/* Disk Start Number */
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if (unz64local_getLong(&s->z_filefunc, s->filestream,&uL) != UNZ_OK)
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err=UNZ_ERRNO;
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}
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}
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else
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@ -405,3 +405,108 @@ void TestQuaZipFile::setFileAttrs()
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removeTestFiles(fileNames);
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QDir().remove(testZip.getZipName());
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}
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void TestQuaZipFile::largeFile()
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{
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QDir curDir;
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QVERIFY(curDir.mkpath("tmp"));
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QFile fakeLargeFile("tmp/large.zip");
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QVERIFY(fakeLargeFile.open(QIODevice::WriteOnly));
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QDataStream ds(&fakeLargeFile);
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ds.setByteOrder(QDataStream::LittleEndian);
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QList<qint64> localOffsets;
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const int numFiles = 2; // name fixed to 5 bytes, so MAX 10 FILES!!!
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for (int i = 0; i < numFiles; ++i) {
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localOffsets.append(fakeLargeFile.pos());
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QBuffer extra;
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extra.open(QIODevice::WriteOnly);
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QDataStream es(&extra);
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es.setByteOrder(QDataStream::LittleEndian);
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// prepare extra
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es << static_cast<quint16>(0x0001u); // zip64
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es << static_cast<quint16>(16); // extra data size
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es << static_cast<quint64>(0); // uncompressed size
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es << static_cast<quint64>(0); // compressed size
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// now the local header
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ds << static_cast<quint32>(0x04034b50u); // local magic
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ds << static_cast<quint16>(45); // version needed
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ds << static_cast<quint16>(0); // flags
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ds << static_cast<quint16>(0); // method
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ds << static_cast<quint16>(0); // time 00:00:00
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ds << static_cast<quint16>(0x21); // date 1980-01-01
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ds << static_cast<quint32>(0); // CRC-32
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ds << static_cast<quint32>(0xFFFFFFFFu); // compressed size
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ds << static_cast<quint32>(0xFFFFFFFFu); // uncompressed size
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ds << static_cast<quint16>(5); // name length
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ds << static_cast<quint16>(extra.size()); // extra length
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ds.writeRawData("file", 4); // name
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ds << static_cast<qint8>('0' + i); // name (contd.)
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ds.writeRawData(extra.buffer(), extra.size());
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}
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// central dir:
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qint64 centralStart = fakeLargeFile.pos();
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for (int i = 0; i < numFiles; ++i) {
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QBuffer extra;
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extra.open(QIODevice::WriteOnly);
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QDataStream es(&extra);
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es.setByteOrder(QDataStream::LittleEndian);
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// prepare extra
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es << static_cast<quint16>(0x0001u); // zip64
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es << static_cast<quint16>(24); // extra data size
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es << static_cast<quint64>(0); // uncompressed size
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es << static_cast<quint64>(0); // compressed size
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es << static_cast<quint64>(localOffsets[i]);
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// now the central dir header
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ds << static_cast<quint32>(0x02014b50u); // central magic
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ds << static_cast<quint16>(45); // version made by
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ds << static_cast<quint16>(45); // version needed
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ds << static_cast<quint16>(0); // flags
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ds << static_cast<quint16>(0); // method
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ds << static_cast<quint16>(0); // time 00:00:00
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ds << static_cast<quint16>(0x21); // date 1980-01-01
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ds << static_cast<quint32>(0); // CRC-32
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ds << static_cast<quint32>(0xFFFFFFFFu); // compressed size
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ds << static_cast<quint32>(0xFFFFFFFFu); // uncompressed size
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ds << static_cast<quint16>(5); // name length
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ds << static_cast<quint16>(extra.size()); // extra length
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ds << static_cast<quint16>(0); // comment length
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ds << static_cast<quint16>(0); // disk number
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ds << static_cast<quint16>(0); // internal attrs
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ds << static_cast<quint32>(0); // external attrs
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ds << static_cast<quint32>(0xFFFFFFFFu); // local offset
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ds.writeRawData("file", 4); // name
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ds << static_cast<qint8>('0' + i); // name (contd.)
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ds.writeRawData(extra.buffer(), extra.size());
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}
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qint64 centralEnd = fakeLargeFile.pos();
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// zip64 end
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ds << static_cast<quint32>(0x06064b50); // zip64 end magic
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ds << static_cast<quint64>(44); // size of the zip64 end
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ds << static_cast<quint16>(45); // version made by
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ds << static_cast<quint16>(45); // version needed
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ds << static_cast<quint32>(0); // disk number
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ds << static_cast<quint32>(0); // central dir disk number
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ds << static_cast<quint64>(2); // number of entries on disk
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ds << static_cast<quint64>(2); // total number of entries
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ds << static_cast<quint64>(centralEnd - centralStart); // size
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ds << static_cast<quint64>(centralStart); // offset
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// zip64 locator
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ds << static_cast<quint32>(0x07064b50); // zip64 locator magic
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ds << static_cast<quint32>(0); // disk number
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ds << static_cast<quint64>(centralEnd); // offset
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ds << static_cast<quint32>(1); // number of disks
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// zip32 end
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ds << static_cast<quint32>(0x06054b50); // end magic
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ds << static_cast<quint16>(0); // disk number
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ds << static_cast<quint16>(0); // central dir disk number
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ds << static_cast<quint16>(2); // number of entries
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ds << static_cast<quint32>(0xFFFFFFFFu); // central dir size
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ds << static_cast<quint32>(0xFFFFFFFFu); // central dir offset
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ds << static_cast<quint16>(0); // comment length
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fakeLargeFile.close();
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QuaZip fakeLargeZip("tmp/large.zip");
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QVERIFY(fakeLargeZip.open(QuaZip::mdUnzip));
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QCOMPARE(fakeLargeZip.getFileInfoList().size(), numFiles);
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QCOMPARE(fakeLargeZip.getFileInfoList()[0].uncompressedSize,
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static_cast<quint32>(0));
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}
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@ -45,6 +45,7 @@ private slots:
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void setFileName();
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void constructorDestructor();
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void setFileAttrs();
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void largeFile();
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};
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#endif // QUAZIP_TEST_QUAZIPFILE_H
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