index 7412af8a12aea7c08fb4a57ed902829e9ec76c03..c73811a3c447bd639755ddd8587c52804610428a 100644 (file)
procedure ReadEOCD(s: TStream);
procedure WriteLFH(s: TStream; comp, crc, csize, usize: UInt32; const afname: AnsiString);
- procedure WriteCDR(s: TStream; comp, crc, csize, usize, attr, offset: UInt32; const afname: AnsiString);
+ procedure WriteCDR(s: TStream; comp, crc, csize, usize, eattr, offset: UInt32; const afname: AnsiString; cdrid: Integer);
procedure SaveToStream(s: TStream);
public
implementation
- uses SysUtils, StrUtils, zstream, crc, e_log;
+ uses SysUtils, StrUtils, Math, utils, zstream, crc, e_log;
const
ZIP_SIGN_CDR = 'PK'#1#2;
const
ZIP_SYSTEM = 0; // DOS / FAT
- ZIP_VERSION = 20; // Min version
ZIP_MAXVERSION = 63; // Max supported version
+ const
+ ZIP_ENCRYPTION_MASK = (1 << 0) or (1 << 6) or (1 << 13);
+ ZIP_UTF8_MASK = (1 << 11);
+
procedure ToSectionFile(fname: AnsiString; out section, name: AnsiString); inline;
var i: SizeInt;
begin
FSection := nil;
FStream := nil;
FLastError := DFWAD_NOERROR;
- FVersion := ZIP_VERSION;
+ FVersion := 10;
FreeWAD();
end;
FreeAndNil(FStream);
end;
FLastError := DFWAD_NOERROR;
- FVersion := ZIP_VERSION;
+ FVersion := 10;
end;
function TZIPEditor.Preload(p: PResource): Boolean;
Result := True;
except
s.Free();
- raise;
end;
end;
end;
Assert(p.csize = p.usize);
GetMem(ptr, p.usize);
try
- src.ReadBuffer(ptr[0], p.usize);
- Result := True;
- except
- FreeMem(ptr);
+ try
+ src.ReadBuffer(ptr[0], p.usize);
+ Result := True;
+ except
+ FreeMem(ptr);
+ raise;
+ end;
+ except on e: EReadError do
+ if gWADEditorLogLevel >= DFWAD_LOG_WARN then
+ e_WriteLog('DFZIP: Failed to read STOREd data, reason: ' + e.Message, MSG_WARNING);
end;
end;
ZIP_COMP_DEFLATE:
Result := True;
except
FreeMem(ptr);
+ raise;
end;
finally
tmp.Free();
end;
except
- on e: Exception do
+ on e: EStreamError do
begin
if gWADEditorLogLevel >= DFWAD_LOG_INFO then
- e_WriteLog('DFZIP: Failed to decompress by DEFLATE method, reason: ' + e.Message, MSG_WARNING);
+ e_WriteLog('DFZIP: Failed to decompress DEFLATEd data, reason: ' + e.Message, MSG_WARNING);
raise e;
end;
end;
otherwise
- raise Exception.Create('Unknown compression method: ' + IntToStr(p.comp));
+ if gWADEditorLogLevel >= DFWAD_LOG_INFO then
+ e_WriteLog('DFZIP: Unsupported compression method: ' + IntToStr(p.comp), MSG_WARNING);
end;
end
else
end;
procedure TZIPEditor.ReadCDR(s: TStream; cdrid: Integer);
- const ZIP_ENCRYPTION_MASK = (1 << 0) or (1 << 6) or (1 << 13);
var sig: packed array [0..3] of Char;
var vva, vvb, va, vb, flags, comp: UInt16;
var mtime, crc, csize, usize: UInt32;
var eattr, offset: UInt32;
var mypos, next: UInt64;
var name: PChar;
+ var aname: AnsiString;
begin
mypos := s.Position;
s.ReadBuffer(sig[0], 4);
e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Comment Length : ' + IntToStr(comlen), MSG_NOTIFY);
e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Disk : ' + IntToStr(disk), MSG_NOTIFY);
e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Internal Attrib : $' + IntToHex(iattr, 4), MSG_NOTIFY);
- e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': External Attrib : $' + IntToHex(iattr, 8), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': External Attrib : $' + IntToHex(eattr, 8), MSG_NOTIFY);
e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': LFH Offset : $' + IntToHex(offset, 8), MSG_NOTIFY);
end;
if (va >= 10) and (va <= ZIP_MAXVERSION) then
ZIP_COMP_AE:
raise Exception.Create('Encrypted archives not supported');
otherwise
- raise Exception.Create('Unsupported compression method ' + IntToStr(comp));
+ raise Exception.Create('Unknown compression method ' + IntToStr(comp));
end;
- // TODO: check bit 11 (UTF8 name and comment)
GetMem(name, UInt32(fnlen) + 1);
try
s.ReadBuffer(name[0], fnlen);
name[fnlen] := #0;
+ // TODO: when packer version < 63 detect utf8 by hands?
+ if flags and ZIP_UTF8_MASK = 0 then
+ aname := win2utf(name)
+ else
+ aname := name;
if gWADEditorLogLevel >= DFWAD_LOG_DEBUG then
- e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Name : "' + name + '"', MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Name : "' + aname + '"', MSG_NOTIFY);
s.Seek(offset, TSeekOrigin.soBeginning);
- ReadLFH(s, name, csize, usize, comp, crc);
+ ReadLFH(s, aname, csize, usize, comp, crc);
finally
s.Seek(next, TSeekOrigin.soBeginning);
FreeMem(name);
raise Exception.Create('EOCD not found (corrupted file?)');
end
else
- raise Exception.Create('Not DFZIP file');
+ raise Exception.Create('Not DFZIP formated file');
end;
function TZIPEditor.ReadFile2(FileName: String): Boolean;
if gWADEditorLogLevel >= DFWAD_LOG_INFO then
e_WriteLog('ZIP: Failed to read ZIP from file ' + FileName + ', reason: ' + e.Message, MSG_WARNING);
FreeWAD();
- raise e;
end;
end;
except
on e: EFOpenError do
begin
if gWADEditorLogLevel >= DFWAD_LOG_INFO then
- e_WriteLog('ZIP: Failed to open file ' + FileName + ', reason: ' + e.Message, MSG_WARNING);
+ e_WriteLog('DFZIP: Failed to open file ' + FileName + ', reason: ' + e.Message, MSG_WARNING);
if FileExists(FileName) then
FLastError := DFWAD_ERROR_CANTOPENWAD
else
on e: Exception do
begin
if gWADEditorLogLevel >= DFWAD_LOG_INFO then
- e_WriteLog('ZIP: Failed to read ZIP from memory, reason: ' + e.Message, MSG_WARNING);
+ e_WriteLog('DFZIP: Failed to read ZIP from memory, reason: ' + e.Message, MSG_WARNING);
FreeWAD();
- raise e;
end;
end;
end;
end;
end;
+ function IsASCII(const s: AnsiString): Boolean;
+ var i: Integer;
+ begin
+ for i := 1 to Length(s) do
+ begin
+ if s[i] >= #$80 then
+ begin
+ Result := False;
+ exit;
+ end;
+ end;
+ Result := True;
+ end;
+
+ function GetZIPVersion(const afname: AnsiString; flags, comp: UInt16): UInt8;
+ var version: UInt8;
+ begin
+ version := 10; // Base version
+ case comp of
+ ZIP_COMP_STORE: version := 10;
+ ZIP_COMP_SHRUNK: version := 10;
+ ZIP_COMP_REDUCE1: version := 10;
+ ZIP_COMP_REDUCE2: version := 10;
+ ZIP_COMP_REDUCE3: version := 10;
+ ZIP_COMP_REDUCE4: version := 10;
+ ZIP_COMP_IMPLODE: version := 10;
+ ZIP_COMP_TOKENIZED: version := 20;
+ ZIP_COMP_DEFLATE: version := 20;
+ ZIP_COMP_DEFLATE64: version := 21;
+ ZIP_COMP_TERSE1: version := 25; // PKWARE DCL Implode
+ ZIP_COMP_BZIP2: version := 46;
+ ZIP_COMP_LZMA: version := 63;
+ ZIP_COMP_CMPSC: version := 63;
+ ZIP_COMP_TERSE2: version := 63;
+ ZIP_COMP_LZ77: version := 63;
+ ZIP_COMP_ZSTD1: version := 63;
+ ZIP_COMP_ZSTD2: version := 63;
+ ZIP_COMP_MP3: version := 63;
+ ZIP_COMP_XZ: version := 63;
+ ZIP_COMP_JPEG: version := 63;
+ ZIP_COMP_WAVPACK: version := 63;
+ ZIP_COMP_PPMD: version := 63;
+ ZIP_COMP_AE: version := 63;
+ end;
+ if afname[Length(afname)] = '/' then
+ version := Max(20, version); // Folder
+ if flags and ZIP_UTF8_MASK <> 0 then
+ version := Max(63, version); // UTF-8 name
+ Result := version;
+ end;
+
procedure TZIPEditor.WriteLFH(s: TStream; comp, crc, csize, usize: UInt32; const afname: AnsiString);
- var fname: PChar; flen: UInt16;
+ var fname: PChar; version: UInt8; fnlen, flags: UInt16; mypos: UInt64;
begin
+ mypos := s.Position;
fname := PChar(afname);
- flen := Length(fname);
+ fnlen := Length(fname);
+ flags := 0;
+ if IsASCII(afname) = False then
+ flags := flags or ZIP_UTF8_MASK;
+ version := GetZIPVersion(afname, flags, comp);
+ if gWADEditorLogLevel >= DFWAD_LOG_DEBUG then
+ begin
+ e_WriteLog('==============================================', MSG_NOTIFY);
+ e_WriteLog('LFH @' + IntToHex(mypos, 8) + ': Min Version : ' + IntToStr(version), MSG_NOTIFY);
+ e_WriteLog('LFH @' + IntToHex(mypos, 8) + ': Min System : ' + IntToStr(ZIP_SYSTEM), MSG_NOTIFY);
+ e_WriteLog('LFH @' + IntToHex(mypos, 8) + ': Flags : $' + IntToHex(flags, 4), MSG_NOTIFY);
+ e_WriteLog('LFH @' + IntToHex(mypos, 8) + ': Compression : ' + IntToStr(comp), MSG_NOTIFY);
+ e_WriteLog('LFH @' + IntToHex(mypos, 8) + ': Modification Time : $' + IntToHex(0, 8), MSG_NOTIFY);
+ e_WriteLog('LFH @' + IntToHex(mypos, 8) + ': CRC-32 : $' + IntToHex(crc, 8), MSG_NOTIFY);
+ e_WriteLog('LFH @' + IntToHex(mypos, 8) + ': Compressed size : ' + IntToStr(csize), MSG_NOTIFY);
+ e_WriteLog('LFH @' + IntToHex(mypos, 8) + ': Decompressed size : ' + IntToStr(usize), MSG_NOTIFY);
+ e_WriteLog('LFH @' + IntToHex(mypos, 8) + ': Name Length : ' + IntToStr(fnlen), MSG_NOTIFY);
+ e_WriteLog('LFH @' + IntToHex(mypos, 8) + ': Extension Length : ' + IntToStr(0), MSG_NOTIFY);
+ e_WriteLog('LFH @' + IntToHex(mypos, 8) + ': Name : "' + fname + '"', MSG_NOTIFY);
+ end;
s.WriteBuffer(ZIP_SIGN_LFH, 4); // LFH Signature
- s.WriteByte(ZIP_VERSION); // Min version
+ s.WriteByte(version); // Min version
s.WriteByte(ZIP_SYSTEM); // System
- s.WriteWord(NtoLE(0)); // Flags
- s.WriteWord(NtoLE(comp)); // Compression method
- s.WriteDWord(NtoLE(0)); // Modification time/date
- s.WriteDWord(NtoLE(crc)); // CRC-32
- s.WriteDWord(NtoLE(csize)); // Compressed size
- s.WriteDWord(NtoLE(usize)); // Decompressed size
- s.WriteWord(NtoLE(flen)); // Name field length
- s.WriteWord(NtoLE(0)); // Extra field length
- s.WriteBuffer(fname[0], flen); // File Name
+ WriteInt(s, UInt16(flags)); // Flags
+ WriteInt(s, UInt16(comp)); // Compression method
+ WriteInt(s, UInt32(0)); // Modification time/date
+ WriteInt(s, UInt32(crc)); // CRC-32
+ WriteInt(s, UInt32(csize)); // Compressed size
+ WriteInt(s, UInt32(usize)); // Decompressed size
+ WriteInt(s, UInt16(fnlen)); // Name field length
+ WriteInt(s, UInt16(0)); // Extra field length
+ s.WriteBuffer(fname[0], fnlen); // File Name
end;
- procedure TZIPEditor.WriteCDR(s: TStream; comp, crc, csize, usize, attr, offset: UInt32; const afname: AnsiString);
- var fname: PChar; flen: UInt16;
+ procedure TZIPEditor.WriteCDR(s: TStream; comp, crc, csize, usize, eattr, offset: UInt32; const afname: AnsiString; cdrid: Integer);
+ var fname: PChar; version: UInt8; fnlen, flags: UInt16; mypos: UInt64;
begin
+ mypos := s.Position;
fname := PChar(afname);
- flen := Length(fname);
+ fnlen := Length(fname);
+ flags := 0;
+ if IsASCII(afname) = False then
+ flags := flags or ZIP_UTF8_MASK;
+ version := GetZIPVersion(afname, flags, comp);
+ if gWADEditorLogLevel >= DFWAD_LOG_DEBUG then
+ begin
+ e_WriteLog('==============================================', MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Writer Version : ' + IntToStr(ZIP_MAXVERSION), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Writer System : ' + IntToStr(ZIP_SYSTEM), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Min Version : ' + IntToStr(version), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Min System : ' + IntToStr(ZIP_SYSTEM), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Flags : $' + IntToHex(flags, 4), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Compression : ' + IntToStr(comp), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Modification Time : $' + IntToHex(0, 8), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': CRC-32 : $' + IntToHex(crc, 8), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Compressed size : ' + IntToStr(csize), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Decompressed size : ' + IntToStr(usize), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Name Length : ' + IntToStr(fnlen), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Extension Length : ' + IntToStr(0), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Comment Length : ' + IntToStr(0), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Disk : ' + IntToStr(0), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Internal Attrib : $' + IntToHex(0, 4), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': External Attrib : $' + IntToHex(eattr, 8), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': LFH Offset : $' + IntToHex(offset, 8), MSG_NOTIFY);
+ e_WriteLog('CDR#' + IntToStr(cdrid) + ' @' + IntToHex(mypos, 8) + ': Name : "' + fname + '"', MSG_NOTIFY);
+ end;
s.WriteBuffer(ZIP_SIGN_CDR, 4); // CDR Signature
s.WriteByte(ZIP_MAXVERSION); // Used version
s.WriteByte(ZIP_SYSTEM); // Used system
- s.WriteByte(ZIP_VERSION); // Min version
+ s.WriteByte(version); // Min version
s.WriteByte(ZIP_SYSTEM); // Min system
- s.WriteWord(NtoLE(0)); // Flags
- s.WriteWord(NtoLE(comp)); // Compression method
- s.WriteDWord(NtoLE(0)); // Modification time/date
- s.WriteDWord(NtoLE(crc)); // CRC-32
- s.WriteDWord(NtoLE(csize)); // Compressed size
- s.WriteDWord(NtoLE(usize)); // Decompressed size
- s.WriteWord(NtoLE(flen)); // Name field length
- s.WriteWord(NtoLE(0)); // Extra field length
- s.WriteWord(NtoLE(0)); // Comment field length
- s.WriteWord(NtoLE(0)); // Disk
- s.WriteWord(NtoLE(0)); // Internal attributes
- s.WriteDWord(NtoLE(attr)); // External attributes
- s.WriteDWord(NtoLE(offset)); // LFH offset
- s.WriteBuffer(fname[0], flen); // File Name
+ WriteInt(s, UInt16(flags)); // Flags
+ WriteInt(s, UInt16(comp)); // Compression method
+ WriteInt(s, UInt32(0)); // Modification time/date
+ WriteInt(s, UInt32(crc)); // CRC-32
+ WriteInt(s, UInt32(csize)); // Compressed size
+ WriteInt(s, UInt32(usize)); // Decompressed size
+ WriteInt(s, UInt16(fnlen)); // Name field length
+ WriteInt(s, UInt16(0)); // Extra field length
+ WriteInt(s, UInt16(0)); // Comment field length
+ WriteInt(s, UInt16(0)); // Disk
+ WriteInt(s, UInt16(0)); // Internal attributes
+ WriteInt(s, UInt32(eattr)); // External attributes
+ WriteInt(s, UInt32(offset)); // LFH offset
+ s.WriteBuffer(fname[0], fnlen); // File Name
end;
procedure TZIPEditor.SaveToStream(s: TStream);
var start, offset, loffset, size, zcrc, count: UInt32;
var p: PResource;
var afname: AnsiString;
+ var mypos: UInt64;
begin
// Write LFH headers and data
start := s.Position;
end;
// Write CDR headers
count := 0;
- loffset := start;
+ loffset := 0;
offset := s.Position - start;
if FSection <> nil then
begin
begin
p := @FSection[i].list[j];
afname := GetFileName(FSection[i].name, p.name);
- WriteCDR(s, p.comp, p.chksum, p.csize, p.usize, 0, loffset - start, afname);
+ WriteCDR(s, p.comp, p.chksum, p.csize, p.usize, $00, loffset, afname, i);
loffset := loffset + 30 + Length(afname) + p.csize;
Inc(count);
end;
else
begin
afname := GetFileName(FSection[i].name, '');
- WriteCDR(s, ZIP_COMP_STORE, zcrc, 0, 0, $10, loffset - start, afname);
+ WriteCDR(s, ZIP_COMP_STORE, zcrc, 0, 0, $10, loffset, afname, i);
loffset := loffset + 30 + Length(afname) + 0;
Inc(count);
end;
Assert(count < $ffff);
size := s.Position - start - offset;
// Write EOCD header
+ mypos := s.Position;
+ if gWADEditorLogLevel >= DFWAD_LOG_DEBUG then
+ begin
+ e_WriteLog('==============================================', MSG_NOTIFY);
+ e_WriteLog('EOCD @' + IntToHex(mypos, 8) + ': Disk ID : ' + IntToStr(0), MSG_NOTIFY);
+ e_WriteLog('EOCD @' + IntToHex(mypos, 8) + ': Disk ID with CD : ' + IntToStr(0), MSG_NOTIFY);
+ e_WriteLog('EOCD @' + IntToHex(mypos, 8) + ': Available CDR''s : ' + IntToStr(count), MSG_NOTIFY);
+ e_WriteLog('EOCD @' + IntToHex(mypos, 8) + ': Total CDR''s : ' + IntToStr(count), MSG_NOTIFY);
+ e_WriteLog('EOCD @' + IntToHex(mypos, 8) + ': CD Length : ' + IntToStr(size), MSG_NOTIFY);
+ e_WriteLog('EOCD @' + IntToHex(mypos, 8) + ': CD Offset : $' + IntToHex(offset, 8), MSG_NOTIFY);
+ e_WriteLog('EOCD @' + IntToHex(mypos, 8) + ': Comment Length : ' + IntToStr(0), MSG_NOTIFY);
+ e_WriteLog('==============================================', MSG_NOTIFY);
+ end;
s.WriteBuffer(ZIP_SIGN_EOCD, 4); // EOCD Signature
- s.WriteWord(NtoLE(0)); // Disk
- s.WriteWord(NtoLE(0)); // Num of Disks
- s.WriteWord(NtoLE(count)); // Num of CDRs
- s.WriteWord(NtoLE(count)); // Total CDR entries
- s.WriteDWord(NtoLE(size)); // Central Directory size
- s.WriteDWord(NtoLE(offset)); // Central Directory offset
- s.WriteWord(NtoLE(0)); // Comment field length
+ WriteInt(s, UInt16(0)); // Disk
+ WriteInt(s, UInt16(0)); // Num of Disks
+ WriteInt(s, UInt16(count)); // Num of CDRs
+ WriteInt(s, UInt16(count)); // Total CDR entries
+ WriteInt(s, UInt32(size)); // Central Directory size
+ WriteInt(s, UInt32(offset)); // Central Directory offset
+ WriteInt(s, UInt16(0)); // Comment field length
end;
procedure TZIPEditor.SaveTo(FileName: String);