public static List <BiffRecord> ParseBiffStreamBytes(byte[] bytes) { List <BiffRecord> records = new List <BiffRecord>(); MemoryStream ms = new MemoryStream(bytes); VirtualStreamReader vsr = new VirtualStreamReader(ms); while (vsr.BaseStream.Position < vsr.BaseStream.Length) { RecordType id = (RecordType)vsr.ReadUInt16(); if (id == 0) { // Console.WriteLine("RecordID == 0 - stopping"); break; } UInt16 length = vsr.ReadUInt16(); BiffRecord br = new BiffRecord(vsr, id, length); vsr.ReadBytes(length); records.Add(br); } return(records); }
private BoundSheet8 BuildBoundSheetFromBytes(byte[] bytes) { using (MemoryStream ms = new MemoryStream(bytes)) { VirtualStreamReader vsr = new VirtualStreamReader(ms); RecordType id = (RecordType)vsr.ReadUInt16(); ushort len = vsr.ReadUInt16(); return(new BoundSheet8(vsr, id, len)); } }
public void TestParseRC4CryptoAPIFilePassRecord() { byte[] rc4CryptoApiFilePassRecord = new byte[] { 0x2F, 0x00, 0xC8, 0x00, 0x01, 0x00, 0x04, 0x00, 0x02, 0x00, 0x0C, 0x00, 0x00, 0x00, 0x7E, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x68, 0x00, 0x00, 0x04, 0x80, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4D, 0x00, 0x69, 0x00, 0x63, 0x00, 0x72, 0x00, 0x6F, 0x00, 0x73, 0x00, 0x6F, 0x00, 0x66, 0x00, 0x74, 0x00, 0x20, 0x00, 0x45, 0x00, 0x6E, 0x00, 0x68, 0x00, 0x61, 0x00, 0x6E, 0x00, 0x63, 0x00, 0x65, 0x00, 0x64, 0x00, 0x20, 0x00, 0x43, 0x00, 0x72, 0x00, 0x79, 0x00, 0x70, 0x00, 0x74, 0x00, 0x6F, 0x00, 0x67, 0x00, 0x72, 0x00, 0x61, 0x00, 0x70, 0x00, 0x68, 0x00, 0x69, 0x00, 0x63, 0x00, 0x20, 0x00, 0x50, 0x00, 0x72, 0x00, 0x6F, 0x00, 0x76, 0x00, 0x69, 0x00, 0x64, 0x00, 0x65, 0x00, 0x72, 0x00, 0x20, 0x00, 0x76, 0x00, 0x31, 0x00, 0x2E, 0x00, 0x30, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x98, 0xC3, 0xA1, 0xA0, 0x9A, 0xC8, 0x92, 0x3D, 0x7A, 0x5D, 0x03, 0x30, 0x34, 0xE8, 0x67, 0x64, 0xA8, 0xA9, 0x29, 0xF0, 0xA6, 0xA8, 0xB6, 0xA1, 0x1F, 0x8C, 0x6F, 0x27, 0xB6, 0xA8, 0x82, 0xEB, 0x14, 0x00, 0x00, 0x00, 0xE8, 0xAF, 0x8B, 0x67, 0x4E, 0x3F, 0xA7, 0xA1, 0x39, 0x9D, 0x9F, 0x2D, 0xDC, 0xB5, 0x1A, 0x33, 0x5D, 0x8A, 0xB2, 0x69 }; VirtualStreamReader vsr = new VirtualStreamReader(new MemoryStream(rc4CryptoApiFilePassRecord)); FilePass filePassRecord = new FilePass(vsr, (RecordType)vsr.ReadUInt16(), vsr.ReadUInt16()); byte[] filePassBytes = filePassRecord.GetBytes(); Assert.AreEqual(rc4CryptoApiFilePassRecord.Length, filePassBytes.Length); Assert.IsFalse(filePassRecord.encryptionHeader.fDocProps); Assert.IsFalse(filePassRecord.encryptionHeader.fCryptoAPI); Assert.IsTrue(filePassRecord.encryptionHeader.fExternal); Assert.IsTrue(filePassRecord.encryptionHeader.fAES); for (int offset = 0; offset < rc4CryptoApiFilePassRecord.Length; offset += 1) { Assert.AreEqual(rc4CryptoApiFilePassRecord[offset], filePassBytes[offset]); } }
public static T AsRecordType <T>(this BiffRecord record) where T : BiffRecord { byte[] recordBytes = record.GetBytes(); using (MemoryStream ms = new MemoryStream(recordBytes)) { VirtualStreamReader vsr = new VirtualStreamReader(ms); RecordType id = (RecordType)vsr.ReadUInt16(); ushort len = vsr.ReadUInt16(); var typeConstructor = typeof(T).GetConstructor(new Type[] { typeof(IStreamReader), typeof(RecordType), typeof(ushort) }); if (typeConstructor == null) { throw new ArgumentException(string.Format("Could not find appropriate constructor for type {0}", typeof(T).FullName)); } return((T)typeConstructor.Invoke(new object[] { vsr, id, len })); } }
public static List <BiffRecord> ParseBiffStreamBytes(byte[] bytes) { List <BiffRecord> records = new List <BiffRecord>(); MemoryStream ms = new MemoryStream(bytes); VirtualStreamReader vsr = new VirtualStreamReader(ms); while (vsr.BaseStream.Position < vsr.BaseStream.Length) { RecordType id = (RecordType)vsr.ReadUInt16(); UInt16 length = vsr.ReadUInt16(); BiffRecord br = new BiffRecord(vsr, id, length); vsr.ReadBytes(length); records.Add(br); } return(records); }
public ToolbarDelta(VirtualStreamReader reader) : base(reader, TBDelta_LENGTH) { byte flags1 = reader.ReadByte(); this.dopr = Utils.BitmaskToInt((int)flags1, 0x03); this.fAtEnd = Utils.BitmaskToBool((int)flags1, 0x04); this.ibts = reader.ReadByte(); this.cidNext = reader.ReadInt32(); this.cid = reader.ReadInt32(); this.fc = reader.ReadInt32(); UInt16 flags2 = reader.ReadUInt16(); this.fOnDisk = Utils.BitmaskToBool((int)flags2, 0x0001); this.iTB = Utils.BitmaskToInt((int)flags2, 0x3FFE); this.fDead = Utils.BitmaskToBool((int)flags2, 0x8000); this.cbTBC = reader.ReadUInt16(); }
public ValueProperty(VirtualStreamReader stream) { //read type this.Type = (PropertyType)stream.ReadUInt16(); //skip padding stream.ReadBytes(2); //read data if ( this.Type == PropertyType.SignedInt16 || this.Type == PropertyType.UnsignedInt16 ) { // 2 bytes data this.Data = stream.ReadBytes(2); } else if ( this.Type == PropertyType.SignedInt32 || this.Type == PropertyType.UnsignedInt32 || this.Type == PropertyType.FloatingPoint32 || this.Type == PropertyType.NewSignedInt32 || this.Type == PropertyType.NewUnsignedInt32 || this.Type == PropertyType.HResult || this.Type == PropertyType.Boolean) { // 4 bytes data this.Data = stream.ReadBytes(4); } else if ( this.Type == PropertyType.FloatingPoint64 || this.Type == PropertyType.SignedInt64 || this.Type == PropertyType.UsignedInt64 || this.Type == PropertyType.Currency || this.Type == PropertyType.Date ) { // 8 bytes data this.Data = stream.ReadBytes(8); } else if ( this.Type == PropertyType.Decimal ) { // 16 bytes data this.Data = stream.ReadBytes(16); } else { // not yet implemented this.Data = new byte[0]; } }
/// <summary> /// Parses the streams to retrieve a StyleSheet. /// </summary> /// <param name="fib">The FileInformationBlock</param> /// <param name="tableStream">The 0Table or 1Table stream</param> public StyleSheet(FileInformationBlock fib, VirtualStream tableStream, VirtualStream dataStream) { IStreamReader tableReader = new VirtualStreamReader(tableStream); //read size of the STSHI var stshiLengthBytes = new byte[2]; tableStream.Read(stshiLengthBytes, 0, stshiLengthBytes.Length, fib.fcStshf); short cbStshi = System.BitConverter.ToInt16(stshiLengthBytes, 0); //read the bytes of the STSHI var stshi = tableReader.ReadBytes(fib.fcStshf + 2, cbStshi); //parses STSHI this.stshi = new StyleSheetInformation(stshi); //create list of STDs this.Styles = new List <StyleSheetDescription>(); for (int i = 0; i < this.stshi.cstd; i++) { //get the cbStd ushort cbStd = tableReader.ReadUInt16(); if (cbStd != 0) { //read the STD bytes var std = tableReader.ReadBytes(cbStd); //parse the STD bytes this.Styles.Add(new StyleSheetDescription(std, (int)this.stshi.cbSTDBaseInFile, dataStream)); } else { this.Styles.Add(null); } } }
//***************************************************************************************** // CONSTRUCTOR //***************************************************************************************** public FileInformationBlock(VirtualStreamReader reader) { UInt16 flag16 = 0; byte flag8 = 0; //read the FIB base this.wIdent = reader.ReadUInt16(); this.nFib = (FibVersion)reader.ReadUInt16(); reader.ReadBytes(2); this.lid = reader.ReadUInt16(); this.pnNext = reader.ReadInt16(); flag16 = reader.ReadUInt16(); this.fDot = Utils.BitmaskToBool((int)flag16, 0x0001); this.fGlsy = Utils.BitmaskToBool((int)flag16, 0x0002); this.fComplex = Utils.BitmaskToBool((int)flag16, 0x0002); this.fHasPic = Utils.BitmaskToBool((int)flag16, 0x0008); this.cQuickSaves = (UInt16)(((int)flag16 & 0x00F0) >> 4); this.fEncrypted = Utils.BitmaskToBool((int)flag16, 0x0100); this.fWhichTblStm = Utils.BitmaskToBool((int)flag16, 0x0200); this.fReadOnlyRecommended = Utils.BitmaskToBool((int)flag16, 0x0400); this.fWriteReservation = Utils.BitmaskToBool((int)flag16, 0x0800); this.fExtChar = Utils.BitmaskToBool((int)flag16, 0x1000); this.fLoadOverwrite = Utils.BitmaskToBool((int)flag16, 0x2000); this.fFarEast = Utils.BitmaskToBool((int)flag16, 0x4000); this.fCrypto = Utils.BitmaskToBool((int)flag16, 0x8000); this.nFibBack = reader.ReadUInt16(); this.lKey = reader.ReadInt32(); this.envr = reader.ReadByte(); flag8 = reader.ReadByte(); this.fMac = Utils.BitmaskToBool((int)flag8, 0x01); this.fEmptySpecial = Utils.BitmaskToBool((int)flag8, 0x02); this.fLoadOverridePage = Utils.BitmaskToBool((int)flag8, 0x04); this.fFutureSavedUndo = Utils.BitmaskToBool((int)flag8, 0x08); this.fWord97Saved = Utils.BitmaskToBool((int)flag8, 0x10); reader.ReadBytes(4); this.fcMin = reader.ReadInt32(); this.fcMac = reader.ReadInt32(); this.csw = reader.ReadUInt16(); //read the RgW97 reader.ReadBytes(26); this.lidFE = reader.ReadInt16(); this.cslw = reader.ReadUInt16(); //read the RgLW97 this.cbMac = reader.ReadInt32(); reader.ReadBytes(8); this.ccpText = reader.ReadInt32(); this.ccpFtn = reader.ReadInt32(); this.ccpHdr = reader.ReadInt32(); reader.ReadBytes(4); this.ccpAtn = reader.ReadInt32(); this.ccpEdn = reader.ReadInt32(); this.ccpTxbx = reader.ReadInt32(); this.ccpHdrTxbx = reader.ReadInt32(); reader.ReadBytes(44); this.cbRgFcLcb = reader.ReadUInt16(); if (this.nFib >= FibVersion.Fib1997Beta) { //Read the FibRgFcLcb97 this.fcStshfOrig = reader.ReadUInt32(); this.lcbStshfOrig = reader.ReadUInt32(); this.fcStshf = reader.ReadUInt32(); this.lcbStshf = reader.ReadUInt32(); this.fcPlcffndRef = reader.ReadUInt32(); this.lcbPlcffndRef = reader.ReadUInt32(); this.fcPlcffndTxt = reader.ReadUInt32(); this.lcbPlcffndTxt = reader.ReadUInt32(); this.fcPlcfandRef = reader.ReadUInt32(); this.lcbPlcfandRef = reader.ReadUInt32(); this.fcPlcfandTxt = reader.ReadUInt32(); this.lcbPlcfandTxt = reader.ReadUInt32(); this.fcPlcfSed = reader.ReadUInt32(); this.lcbPlcfSed = reader.ReadUInt32(); this.fcPlcPad = reader.ReadUInt32(); this.lcbPlcPad = reader.ReadUInt32(); this.fcPlcfPhe = reader.ReadUInt32(); this.lcbPlcfPhe = reader.ReadUInt32(); this.fcSttbfGlsy = reader.ReadUInt32(); this.lcbSttbfGlsy = reader.ReadUInt32(); this.fcPlcfGlsy = reader.ReadUInt32(); this.lcbPlcfGlsy = reader.ReadUInt32(); this.fcPlcfHdd = reader.ReadUInt32(); this.lcbPlcfHdd = reader.ReadUInt32(); this.fcPlcfBteChpx = reader.ReadUInt32(); this.lcbPlcfBteChpx = reader.ReadUInt32(); this.fcPlcfBtePapx = reader.ReadUInt32(); this.lcbPlcfBtePapx = reader.ReadUInt32(); this.fcPlcfSea = reader.ReadUInt32(); this.lcbPlcfSea = reader.ReadUInt32(); this.fcSttbfFfn = reader.ReadUInt32(); this.lcbSttbfFfn = reader.ReadUInt32(); this.fcPlcfFldMom = reader.ReadUInt32(); this.lcbPlcfFldMom = reader.ReadUInt32(); this.fcPlcfFldHdr = reader.ReadUInt32(); this.lcbPlcfFldHdr = reader.ReadUInt32(); this.fcPlcfFldFtn = reader.ReadUInt32(); this.lcbPlcfFldFtn = reader.ReadUInt32(); this.fcPlcfFldAtn = reader.ReadUInt32(); this.lcbPlcfFldAtn = reader.ReadUInt32(); this.fcPlcfFldMcr = reader.ReadUInt32(); this.lcbPlcfFldMcr = reader.ReadUInt32(); this.fcSttbfBkmk = reader.ReadUInt32(); this.lcbSttbfBkmk = reader.ReadUInt32(); this.fcPlcfBkf = reader.ReadUInt32(); this.lcbPlcfBkf = reader.ReadUInt32(); this.fcPlcfBkl = reader.ReadUInt32(); this.lcbPlcfBkl = reader.ReadUInt32(); this.fcCmds = reader.ReadUInt32(); this.lcbCmds = reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); this.fcSttbfMcr = reader.ReadUInt32(); this.lcbSttbfMcr = reader.ReadUInt32(); this.fcPrDrvr = reader.ReadUInt32(); this.lcbPrDrvr = reader.ReadUInt32(); this.fcPrEnvPort = reader.ReadUInt32(); this.lcbPrEnvPort = reader.ReadUInt32(); this.fcPrEnvLand = reader.ReadUInt32(); this.lcbPrEnvLand = reader.ReadUInt32(); this.fcWss = reader.ReadUInt32(); this.lcbWss = reader.ReadUInt32(); this.fcDop = reader.ReadUInt32(); this.lcbDop = reader.ReadUInt32(); this.fcSttbfAssoc = reader.ReadUInt32(); this.lcbSttbfAssoc = reader.ReadUInt32(); this.fcClx = reader.ReadUInt32(); this.lcbClx = reader.ReadUInt32(); this.fcPlcfPgdFtn = reader.ReadUInt32(); this.lcbPlcfPgdFtn = reader.ReadUInt32(); this.fcAutosaveSource = reader.ReadUInt32(); this.lcbAutosaveSource = reader.ReadUInt32(); this.fcGrpXstAtnOwners = reader.ReadUInt32(); this.lcbGrpXstAtnOwners = reader.ReadUInt32(); this.fcSttbfAtnBkmk = reader.ReadUInt32(); this.lcbSttbfAtnBkmk = reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); this.fcPlcSpaMom = reader.ReadUInt32(); this.lcbPlcSpaMom = reader.ReadUInt32(); this.fcPlcSpaHdr = reader.ReadUInt32(); this.lcbPlcSpaHdr = reader.ReadUInt32(); this.fcPlcfAtnBkf = reader.ReadUInt32(); this.lcbPlcfAtnBkf = reader.ReadUInt32(); this.fcPlcfAtnBkl = reader.ReadUInt32(); this.lcbPlcfAtnBkl = reader.ReadUInt32(); this.fcPms = reader.ReadUInt32(); this.lcbPms = reader.ReadUInt32(); this.fcFormFldSttbs = reader.ReadUInt32(); this.lcbFormFldSttbs = reader.ReadUInt32(); this.fcPlcfendRef = reader.ReadUInt32(); this.lcbPlcfendRef = reader.ReadUInt32(); this.fcPlcfendTxt = reader.ReadUInt32(); this.lcbPlcfendTxt = reader.ReadUInt32(); this.fcPlcfFldEdn = reader.ReadUInt32(); this.lcbPlcfFldEdn = reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); this.fcDggInfo = reader.ReadUInt32(); this.lcbDggInfo = reader.ReadUInt32(); this.fcSttbfRMark = reader.ReadUInt32(); this.lcbSttbfRMark = reader.ReadUInt32(); this.fcSttbfCaption = reader.ReadUInt32(); this.lcbSttbfCaption = reader.ReadUInt32(); this.fcSttbfAutoCaption = reader.ReadUInt32(); this.lcbSttbfAutoCaption = reader.ReadUInt32(); this.fcPlcfWkb = reader.ReadUInt32(); this.lcbPlcfWkb = reader.ReadUInt32(); this.fcPlcfSpl = reader.ReadUInt32(); this.lcbPlcfSpl = reader.ReadUInt32(); this.fcPlcftxbxTxt = reader.ReadUInt32(); this.lcbPlcftxbxTxt = reader.ReadUInt32(); this.fcPlcfFldTxbx = reader.ReadUInt32(); this.lcbPlcfFldTxbx = reader.ReadUInt32(); this.fcPlcfHdrtxbxTxt = reader.ReadUInt32(); this.lcbPlcfHdrtxbxTxt = reader.ReadUInt32(); this.fcPlcffldHdrTxbx = reader.ReadUInt32(); this.lcbPlcffldHdrTxbx = reader.ReadUInt32(); this.fcStwUser = reader.ReadUInt32(); this.lcbStwUser = reader.ReadUInt32(); this.fcSttbTtmbd = reader.ReadUInt32(); this.lcbSttbTtmbd = reader.ReadUInt32(); this.fcCookieData = reader.ReadUInt32(); this.lcbCookieData = reader.ReadUInt32(); this.fcPgdMotherOldOld = reader.ReadUInt32(); this.lcbPgdMotherOldOld = reader.ReadUInt32(); this.fcBkdMotherOldOld = reader.ReadUInt32(); this.lcbBkdMotherOldOld = reader.ReadUInt32(); this.fcPgdFtnOldOld = reader.ReadUInt32(); this.lcbPgdFtnOldOld = reader.ReadUInt32(); this.fcBkdFtnOldOld = reader.ReadUInt32(); this.lcbBkdFtnOldOld = reader.ReadUInt32(); this.fcPgdEdnOldOld = reader.ReadUInt32(); this.lcbPgdEdnOldOld = reader.ReadUInt32(); this.fcBkdEdnOldOld = reader.ReadUInt32(); this.lcbBkdEdnOldOld = reader.ReadUInt32(); this.fcSttbfIntlFld = reader.ReadUInt32(); this.lcbSttbfIntlFld = reader.ReadUInt32(); this.fcRouteSlip = reader.ReadUInt32(); this.lcbRouteSlip = reader.ReadUInt32(); this.fcSttbSavedBy = reader.ReadUInt32(); this.lcbSttbSavedBy = reader.ReadUInt32(); this.fcSttbFnm = reader.ReadUInt32(); this.lcbSttbFnm = reader.ReadUInt32(); this.fcPlfLst = reader.ReadUInt32(); this.lcbPlfLst = reader.ReadUInt32(); this.fcPlfLfo = reader.ReadUInt32(); this.lcbPlfLfo = reader.ReadUInt32(); this.fcPlcfTxbxBkd = reader.ReadUInt32(); this.lcbPlcfTxbxBkd = reader.ReadUInt32(); this.fcPlcfTxbxHdrBkd = reader.ReadUInt32(); this.lcbPlcfTxbxHdrBkd = reader.ReadUInt32(); this.fcDocUndoWord9 = reader.ReadUInt32(); this.lcbDocUndoWord9 = reader.ReadUInt32(); this.fcRgbUse = reader.ReadUInt32(); this.lcbRgbUse = reader.ReadUInt32(); this.fcUsp = reader.ReadUInt32(); this.lcbUsp = reader.ReadUInt32(); this.fcUskf = reader.ReadUInt32(); this.lcbUskf = reader.ReadUInt32(); this.fcPlcupcRgbUse = reader.ReadUInt32(); this.lcbPlcupcRgbUse = reader.ReadUInt32(); this.fcPlcupcUsp = reader.ReadUInt32(); this.lcbPlcupcUsp = reader.ReadUInt32(); this.fcSttbGlsyStyle = reader.ReadUInt32(); this.lcbSttbGlsyStyle = reader.ReadUInt32(); this.fcPlgosl = reader.ReadUInt32(); this.lcbPlgosl = reader.ReadUInt32(); this.fcPlcocx = reader.ReadUInt32(); this.lcbPlcocx = reader.ReadUInt32(); this.fcPlcfBteLvc = reader.ReadUInt32(); this.lcbPlcfBteLvc = reader.ReadUInt32(); this.dwLowDateTime = reader.ReadUInt32(); this.dwHighDateTime = reader.ReadUInt32(); this.fcPlcfLvcPre10 = reader.ReadUInt32(); this.lcbPlcfLvcPre10 = reader.ReadUInt32(); this.fcPlcfAsumy = reader.ReadUInt32(); this.lcbPlcfAsumy = reader.ReadUInt32(); this.fcPlcfGram = reader.ReadUInt32(); this.lcbPlcfGram = reader.ReadUInt32(); this.fcSttbListNames = reader.ReadUInt32(); this.lcbSttbListNames = reader.ReadUInt32(); this.fcSttbfUssr = reader.ReadUInt32(); this.lcbSttbfUssr = reader.ReadUInt32(); } if (this.nFib >= FibVersion.Fib2000) { //Read also the FibRgFcLcb2000 this.fcPlcfTch = reader.ReadUInt32(); this.lcbPlcfTch = reader.ReadUInt32(); this.fcRmdThreading = reader.ReadUInt32(); this.lcbRmdThreading = reader.ReadUInt32(); this.fcMid = reader.ReadUInt32(); this.lcbMid = reader.ReadUInt32(); this.fcSttbRgtplc = reader.ReadUInt32(); this.lcbSttbRgtplc = reader.ReadUInt32(); this.fcMsoEnvelope = reader.ReadUInt32(); this.lcbMsoEnvelope = reader.ReadUInt32(); this.fcPlcfLad = reader.ReadUInt32(); this.lcbPlcfLad = reader.ReadUInt32(); this.fcRgDofr = reader.ReadUInt32(); this.lcbRgDofr = reader.ReadUInt32(); this.fcPlcosl = reader.ReadUInt32(); this.lcbPlcosl = reader.ReadUInt32(); this.fcPlcfCookieOld = reader.ReadUInt32(); this.lcbPlcfCookieOld = reader.ReadUInt32(); this.fcPgdMotherOld = reader.ReadUInt32(); this.lcbPgdMotherOld = reader.ReadUInt32(); this.fcBkdMotherOld = reader.ReadUInt32(); this.lcbBkdMotherOld = reader.ReadUInt32(); this.fcPgdFtnOld = reader.ReadUInt32(); this.lcbPgdFtnOld = reader.ReadUInt32(); this.fcBkdFtnOld = reader.ReadUInt32(); this.lcbBkdFtnOld = reader.ReadUInt32(); this.fcPgdEdnOld = reader.ReadUInt32(); this.lcbPgdEdnOld = reader.ReadUInt32(); this.fcBkdEdnOld = reader.ReadUInt32(); this.lcbBkdEdnOld = reader.ReadUInt32(); } if (this.nFib >= FibVersion.Fib2002) { //Read also the fibRgFcLcb2002 reader.ReadUInt32(); reader.ReadUInt32(); this.fcPlcfPgp = reader.ReadUInt32(); this.lcbPlcfPgp = reader.ReadUInt32(); this.fcPlcfuim = reader.ReadUInt32(); this.lcbPlcfuim = reader.ReadUInt32(); this.fcPlfguidUim = reader.ReadUInt32(); this.lcbPlfguidUim = reader.ReadUInt32(); this.fcAtrdExtra = reader.ReadUInt32(); this.lcbAtrdExtra = reader.ReadUInt32(); this.fcPlrsid = reader.ReadUInt32(); this.lcbPlrsid = reader.ReadUInt32(); this.fcSttbfBkmkFactoid = reader.ReadUInt32(); this.lcbSttbfBkmkFactoid = reader.ReadUInt32(); this.fcPlcfBkfFactoid = reader.ReadUInt32(); this.lcbPlcfBkfFactoid = reader.ReadUInt32(); this.fcPlcfcookie = reader.ReadUInt32(); this.lcbPlcfcookie = reader.ReadUInt32(); this.fcPlcfBklFactoid = reader.ReadUInt32(); this.lcbPlcfBklFactoid = reader.ReadUInt32(); this.fcFactoidData = reader.ReadUInt32(); this.lcbFactoidData = reader.ReadUInt32(); this.fcDocUndo = reader.ReadUInt32(); this.lcbDocUndo = reader.ReadUInt32(); this.fcSttbfBkmkFcc = reader.ReadUInt32(); this.lcbSttbfBkmkFcc = reader.ReadUInt32(); this.fcPlcfBkfFcc = reader.ReadUInt32(); this.lcbPlcfBkfFcc = reader.ReadUInt32(); this.fcPlcfBklFcc = reader.ReadUInt32(); this.lcbPlcfBklFcc = reader.ReadUInt32(); this.fcSttbfbkmkBPRepairs = reader.ReadUInt32(); this.lcbSttbfbkmkBPRepairs = reader.ReadUInt32(); this.fcPlcfbkfBPRepairs = reader.ReadUInt32(); this.lcbPlcfbkfBPRepairs = reader.ReadUInt32(); this.fcPlcfbklBPRepairs = reader.ReadUInt32(); this.lcbPlcfbklBPRepairs = reader.ReadUInt32(); this.fcPmsNew = reader.ReadUInt32(); this.lcbPmsNew = reader.ReadUInt32(); this.fcODSO = reader.ReadUInt32(); this.lcbODSO = reader.ReadUInt32(); this.fcPlcfpmiOldXP = reader.ReadUInt32(); this.lcbPlcfpmiOldXP = reader.ReadUInt32(); this.fcPlcfpmiNewXP = reader.ReadUInt32(); this.lcbPlcfpmiNewXP = reader.ReadUInt32(); this.fcPlcfpmiMixedXP = reader.ReadUInt32(); this.lcbPlcfpmiMixedXP = reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); this.fcPlcffactoid = reader.ReadUInt32(); this.lcbPlcffactoid = reader.ReadUInt32(); this.fcPlcflvcOldXP = reader.ReadUInt32(); this.lcbPlcflvcOldXP = reader.ReadUInt32(); this.fcPlcflvcNewXP = reader.ReadUInt32(); this.lcbPlcflvcNewXP = reader.ReadUInt32(); this.fcPlcflvcMixedXP = reader.ReadUInt32(); this.lcbPlcflvcMixedXP = reader.ReadUInt32(); } if (this.nFib >= FibVersion.Fib2003) { //Read also the fibRgFcLcb2003 this.fcHplxsdr = reader.ReadUInt32(); this.lcbHplxsdr = reader.ReadUInt32(); this.fcSttbfBkmkSdt = reader.ReadUInt32(); this.lcbSttbfBkmkSdt = reader.ReadUInt32(); this.fcPlcfBkfSdt = reader.ReadUInt32(); this.lcbPlcfBkfSdt = reader.ReadUInt32(); this.fcPlcfBklSdt = reader.ReadUInt32(); this.lcbPlcfBklSdt = reader.ReadUInt32(); this.fcCustomXForm = reader.ReadUInt32(); this.lcbCustomXForm = reader.ReadUInt32(); this.fcSttbfBkmkProt = reader.ReadUInt32(); this.lcbSttbfBkmkProt = reader.ReadUInt32(); this.fcPlcfBkfProt = reader.ReadUInt32(); this.lcbPlcfBkfProt = reader.ReadUInt32(); this.fcPlcfBklProt = reader.ReadUInt32(); this.lcbPlcfBklProt = reader.ReadUInt32(); this.fcSttbProtUser = reader.ReadUInt32(); this.lcbSttbProtUser = reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); this.fcPlcfpmiOld = reader.ReadUInt32(); this.lcbPlcfpmiOld = reader.ReadUInt32(); this.fcPlcfpmiOldInline = reader.ReadUInt32(); this.lcbPlcfpmiOldInline = reader.ReadUInt32(); this.fcPlcfpmiNew = reader.ReadUInt32(); this.lcbPlcfpmiNew = reader.ReadUInt32(); this.fcPlcfpmiNewInline = reader.ReadUInt32(); this.lcbPlcfpmiNewInline = reader.ReadUInt32(); this.fcPlcflvcOld = reader.ReadUInt32(); this.lcbPlcflvcOld = reader.ReadUInt32(); this.fcPlcflvcOldInline = reader.ReadUInt32(); this.lcbPlcflvcOldInline = reader.ReadUInt32(); this.fcPlcflvcNew = reader.ReadUInt32(); this.lcbPlcflvcNew = reader.ReadUInt32(); this.fcPlcflvcNewInline = reader.ReadUInt32(); this.lcbPlcflvcNewInline = reader.ReadUInt32(); this.fcPgdMother = reader.ReadUInt32(); this.lcbPgdMother = reader.ReadUInt32(); this.fcBkdMother = reader.ReadUInt32(); this.lcbBkdMother = reader.ReadUInt32(); this.fcAfdMother = reader.ReadUInt32(); this.lcbAfdMother = reader.ReadUInt32(); this.fcPgdFtn = reader.ReadUInt32(); this.lcbPgdFtn = reader.ReadUInt32(); this.fcBkdFtn = reader.ReadUInt32(); this.lcbBkdFtn = reader.ReadUInt32(); this.fcAfdFtn = reader.ReadUInt32(); this.lcbAfdFtn = reader.ReadUInt32(); this.fcPgdEdn = reader.ReadUInt32(); this.lcbPgdEdn = reader.ReadUInt32(); this.fcBkdEdn = reader.ReadUInt32(); this.lcbBkdEdn = reader.ReadUInt32(); this.fcAfdEdn = reader.ReadUInt32(); this.lcbAfdEdn = reader.ReadUInt32(); this.fcAfd = reader.ReadUInt32(); this.lcbAfd = reader.ReadUInt32(); } if (this.nFib >= FibVersion.Fib2007) { //Read also the fibRgFcLcb2007 this.fcPlcfmthd = reader.ReadUInt32(); this.lcbPlcfmthd = reader.ReadUInt32(); this.fcSttbfBkmkMoveFrom = reader.ReadUInt32(); this.lcbSttbfBkmkMoveFrom = reader.ReadUInt32(); this.fcPlcfBkfMoveFrom = reader.ReadUInt32(); this.lcbPlcfBkfMoveFrom = reader.ReadUInt32(); this.fcPlcfBklMoveFrom = reader.ReadUInt32(); this.lcbPlcfBklMoveFrom = reader.ReadUInt32(); this.fcSttbfBkmkMoveTo = reader.ReadUInt32(); this.lcbSttbfBkmkMoveTo = reader.ReadUInt32(); this.fcPlcfBkfMoveTo = reader.ReadUInt32(); this.lcbPlcfBkfMoveTo = reader.ReadUInt32(); this.fcPlcfBklMoveTo = reader.ReadUInt32(); this.lcbPlcfBklMoveTo = reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); this.fcSttbfBkmkArto = reader.ReadUInt32(); this.lcbSttbfBkmkArto = reader.ReadUInt32(); this.fcPlcfBkfArto = reader.ReadUInt32(); this.lcbPlcfBkfArto = reader.ReadUInt32(); this.fcPlcfBklArto = reader.ReadUInt32(); this.lcbPlcfBklArto = reader.ReadUInt32(); this.fcArtoData = reader.ReadUInt32(); this.lcbArtoData = reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); reader.ReadUInt32(); this.fcOssTheme = reader.ReadUInt32(); this.lcbOssTheme = reader.ReadUInt32(); this.fcColorSchemeMapping = reader.ReadUInt32(); this.lcbColorSchemeMapping = reader.ReadUInt32(); } this.cswNew = reader.ReadUInt16(); if (this.cswNew != 0) { //Read the FibRgCswNew this.nFibNew = (FibVersion)reader.ReadUInt16(); this.cQuickSavesNew = reader.ReadUInt16(); } }
public ToolbarControl(VirtualStreamReader reader) : base(reader, ByteStructure.VARIABLE_LENGTH) { //HEADER START this.bSignature = reader.ReadByte(); this.bVersion = reader.ReadByte(); int bFlagsTCR = (int)reader.ReadByte(); this.fHidden = Utils.BitmaskToBool(bFlagsTCR, 0x01); this.fBeginGroup = Utils.BitmaskToBool(bFlagsTCR, 0x02); this.fOwnLine = Utils.BitmaskToBool(bFlagsTCR, 0x04); this.fNoCustomize = Utils.BitmaskToBool(bFlagsTCR, 0x08); this.fSaveDxy = Utils.BitmaskToBool(bFlagsTCR, 0x10); this.fBeginLine = Utils.BitmaskToBool(bFlagsTCR, 0x40); this.tct = (ToolbarControlType)reader.ReadByte(); this.tcid = reader.ReadInt16(); this.tbct = reader.ReadInt32(); this.bPriority = reader.ReadByte(); if (this.fSaveDxy) { this.width = reader.ReadUInt16(); this.height = reader.ReadUInt16(); } //HEADER END //cid if (this.tcid != 0x01 && this.tcid != 0x1051) { this.cid = reader.ReadBytes(4); } //DATA START if (this.tct != ToolbarControlType.ActiveX) { //general control info byte flags = reader.ReadByte(); this.fSaveText = Utils.BitmaskToBool((int)flags, 0x01); this.fSaveMiscUIStrings = Utils.BitmaskToBool((int)flags, 0x02); this.fSaveMiscCustom = Utils.BitmaskToBool((int)flags, 0x04); this.fDisabled = Utils.BitmaskToBool((int)flags, 0x04); if (this.fSaveText) { this.customText = Utils.ReadWString(reader.BaseStream); } if (this.fSaveMiscUIStrings) { this.descriptionText = Utils.ReadWString(reader.BaseStream); this.tooltip = Utils.ReadWString(reader.BaseStream); } if (this.fSaveMiscCustom) { this.helpFile = Utils.ReadWString(reader.BaseStream); this.idHelpContext = reader.ReadInt32(); this.tag = Utils.ReadWString(reader.BaseStream); this.onAction = Utils.ReadWString(reader.BaseStream); this.param = Utils.ReadWString(reader.BaseStream); this.tbcu = reader.ReadByte(); this.tbmg = reader.ReadByte(); } //control specific info switch (this.tct) { case ToolbarControlType.Button: case ToolbarControlType.ExpandingGrid: //TBCB Specific int bFlags = (int)reader.ReadByte(); int state = Utils.BitmaskToInt(bFlags, 0x03); bool fAccelerator = Utils.BitmaskToBool(bFlags, 0x04); bool fCustomBitmap = Utils.BitmaskToBool(bFlags, 0x08); bool fCustomBtnFace = Utils.BitmaskToBool(bFlags, 0x10); bool fHyperlinkType = Utils.BitmaskToBool(bFlags, 0x20); if (fCustomBitmap) { ToolbarControlBitmap icon = new ToolbarControlBitmap(reader); ToolbarControlBitmap iconMask = new ToolbarControlBitmap(reader); } if (fCustomBtnFace) { UInt16 iBtnFace = reader.ReadUInt16(); } if (fAccelerator) { string wstrAcc = Utils.ReadWString(reader.BaseStream); } break; case ToolbarControlType.Popup: case ToolbarControlType.ButtonPopup: case ToolbarControlType.SplitButtonPopup: case ToolbarControlType.SplitButtonMRUPopup: //TBC Menu Specific Int32 tbid = reader.ReadInt32(); string name = Utils.ReadWString(reader.BaseStream); break; case ToolbarControlType.Edit: case ToolbarControlType.ComboBox: case ToolbarControlType.GraphicCombo: case ToolbarControlType.Dropdown: case ToolbarControlType.SplitDropDown: case ToolbarControlType.OCXDropDown: case ToolbarControlType.GraphicDropDown: //TBC Combo Dropdown Specific if (this.tcid == 1) { Int16 cwstrItems = reader.ReadInt16(); string wstrList = Utils.ReadWString(reader.BaseStream); Int16 cwstrMRU = reader.ReadInt16(); Int16 iSel = reader.ReadInt16(); Int16 cLines = reader.ReadInt16(); Int16 dxWidth = reader.ReadInt16(); string wstrEdit = Utils.ReadWString(reader.BaseStream); } break; default: //no control Specific Info break; } } }
public byte[] TransformWorkbookBytes(byte[] bytes, ObfuscationMode mode, string password = XorObfuscation.DefaultPassword) { VirtualStreamReader vsr = new VirtualStreamReader(new MemoryStream(bytes)); MemoryStream ms = new MemoryStream(); BinaryWriter bw = new BinaryWriter(ms); while (vsr.BaseStream.Position < vsr.BaseStream.Length) { BiffHeader bh; bh.id = (RecordType)vsr.ReadUInt16(); //Handle case where RecordId is empty if (bh.id == 0) { break; } bh.length = vsr.ReadUInt16(); //Taken from https://social.msdn.microsoft.com/Forums/en-US/3dadbed3-0e68-4f11-8b43-3a2328d9ebd5/xls-xor-data-transformation-method-1 byte XorArrayIndex = (byte)((vsr.BaseStream.Position + bh.length) % 16); //We remove the FilePass Record for the decrypted document if (mode == ObfuscationMode.Decrypt && bh.id == RecordType.FilePass) { //Skip the remaining FilePass bytes ushort encryptionMode = vsr.ReadUInt16(); if (encryptionMode != 0) { throw new NotImplementedException("FilePass EncryptionMode of " + encryptionMode + " is unsupported."); } ushort key = vsr.ReadUInt16(); ushort verify = vsr.ReadUInt16(); ushort passwordVerify = CreatePasswordVerifier_Method1(password); if (verify != passwordVerify) { throw new ArgumentException( "Incorrect decryption password. Try bruteforcing the password with another tool."); } continue; } ; bw.Write(Convert.ToUInt16(bh.id)); bw.Write(Convert.ToUInt16(bh.length)); //If we're encrypting, then use the byte writer for our current position rather than the read stream if (mode == ObfuscationMode.Encrypt) { XorArrayIndex = (byte)((bw.BaseStream.Position + bh.length) % 16); } //Nothing to decrypt for 0 length if (bh.length == 0) { continue; } switch (bh.id) { case RecordType.BOF: case RecordType.FilePass: case RecordType.UsrExcl: case RecordType.FileLock: case RecordType.InterfaceHdr: case RecordType.RRDInfo: case RecordType.RRDHead: byte[] recordBytes = vsr.ReadBytes(bh.length); bw.Write(recordBytes); //If this is the first BOF record, we inject the appropriate FilePass record if (mode == ObfuscationMode.Encrypt && bh.id == RecordType.BOF && vsr.BaseStream.Position == (bh.length + 4)) { ushort key = CreateXorKey_Method1(password); ushort verify = CreatePasswordVerifier_Method1(password); FilePass filePass = new FilePass(key, verify); byte[] filePassBytes = filePass.GetBytes(); bw.Write(filePassBytes); } continue; case RecordType.BoundSheet8: //Special Case - don't encrypt/decrypt the lbPlyPos Field uint lbPlyPos = vsr.ReadUInt32(); //For encryption we need to adjust this by the added FilePass record length //Decryption we auto-fix afterwards, but encrypted entries don't auto-fix well // if (mode == ObfuscationMode.Encrypt) // { // lbPlyPos += 10; // } bw.Write(lbPlyPos); //Since we are skipping lbPlyPos, we need to update the XorArrayIndex offset as well XorArrayIndex = (byte)((XorArrayIndex + 4) % 16); byte[] remainingBytes = vsr.ReadBytes(bh.length - 4); if (mode == ObfuscationMode.Decrypt) { byte[] decryptedBytes = DecryptData_Method1(password, remainingBytes, XorArrayIndex); bw.Write(decryptedBytes); } else { byte[] encryptedBytes = EncryptData_Method1(password, remainingBytes, XorArrayIndex); bw.Write(encryptedBytes); } continue; default: byte[] preTransformBytes = vsr.ReadBytes(bh.length); if (mode == ObfuscationMode.Decrypt) { byte[] decBytes = DecryptData_Method1(password, preTransformBytes, XorArrayIndex); bw.Write(decBytes); } else { byte[] encBytes = EncryptData_Method1(password, preTransformBytes, XorArrayIndex); bw.Write(encBytes); } continue; } } return(bw.GetBytesWritten()); }
private void parse(VirtualStream stream, Int32 fc) { stream.Seek(fc, System.IO.SeekOrigin.Begin); VirtualStreamReader reader = new VirtualStreamReader(stream); Int32 lcb = reader.ReadInt32(); if (lcb > 0) { UInt16 cbHeader = reader.ReadUInt16(); this.mfp = new MetafilePicture(); this.mfp.mm = reader.ReadInt16(); this.mfp.xExt = reader.ReadInt16(); this.mfp.yExt = reader.ReadInt16(); this.mfp.hMf = reader.ReadInt16(); if (this.mfp.mm > 98) { this.rcWinMf = reader.ReadBytes(14); //dimensions this.dxaGoal = reader.ReadInt16(); this.dyaGoal = reader.ReadInt16(); this.mx = reader.ReadUInt16(); this.my = reader.ReadUInt16(); //cropping this.dxaCropLeft = reader.ReadInt16(); this.dyaCropTop = reader.ReadInt16(); this.dxaCropRight = reader.ReadInt16(); this.dyaCropBottom = reader.ReadInt16(); Int16 brcl = reader.ReadInt16(); //borders this.brcTop = new BorderCode(reader.ReadBytes(4)); this.brcLeft = new BorderCode(reader.ReadBytes(4)); this.brcBottom = new BorderCode(reader.ReadBytes(4)); this.brcRight = new BorderCode(reader.ReadBytes(4)); this.dxaOrigin = reader.ReadInt16(); this.dyaOrigin = reader.ReadInt16(); this.cProps = reader.ReadInt16(); //Parse the OfficeDrawing Stuff Record r = Record.ReadRecord(reader); if (r is ShapeContainer) { this.ShapeContainer = (ShapeContainer)r; long pos = reader.BaseStream.Position; if (pos < (fc + lcb)) { Record rec = Record.ReadRecord(reader); if (rec.GetType() == typeof(BlipStoreEntry)) { this.BlipStoreEntry = (BlipStoreEntry)rec; } } } } } }
private void parse(Type dataType, VirtualStreamReader reader, UInt32 fc) { //read fExtend if (reader.ReadUInt16() == 0xFFFF) { //if the first 2 bytes are 0xFFFF the STTB contains unicode characters this.fExtend = true; _enc = Encoding.Unicode; } else { //else the STTB contains 1byte characters and the fExtend field is non-existend //seek back to the beginning this.fExtend = false; _enc = Encoding.ASCII; reader.BaseStream.Seek((long)fc, System.IO.SeekOrigin.Begin); } //read cData long cDataStart = reader.BaseStream.Position; UInt16 c = reader.ReadUInt16(); if (c != 0xFFFF) { //cData is a 2byte unsigned Integer and the read bytes are already cData this.cData = (int)c; } else { //cData is a 4byte signed Integer, so we need to seek back reader.BaseStream.Seek((long)fc + cDataStart, System.IO.SeekOrigin.Begin); this.cData = reader.ReadInt32(); } //read cbExtra this.cbExtra = reader.ReadUInt16(); //read the strings and extra datas for (int i = 0; i < this.cData; i++) { int cchData = 0; int cbData = 0; if (this.fExtend) { cchData = (int)reader.ReadUInt16(); cbData = cchData * 2; } else { cchData = (int)reader.ReadByte(); cbData = cchData; } long posBeforeType = reader.BaseStream.Position; if (dataType == typeof(string)) { //It's a real string table this.Strings.Add(_enc.GetString(reader.ReadBytes(cbData))); } else { //It's a modified string table that contains custom data ConstructorInfo constructor = dataType.GetConstructor(new Type[] { typeof(VirtualStreamReader), typeof(int) }); ByteStructure data = (ByteStructure)constructor.Invoke(new object[] { reader, cbData }); this.Data.Add(data); } reader.BaseStream.Seek(posBeforeType + cbData, System.IO.SeekOrigin.Begin); //skip the extra byte reader.ReadBytes(cbExtra); } }