90 lines
4.4 KiB
C#
90 lines
4.4 KiB
C#
//
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// Copyright (c) 2008-2011, Kenneth Bell
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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using System;
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using DiscUtils.Streams;
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namespace DiscUtils.LogicalDiskManager
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{
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internal class PrivateHeader
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{
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public uint Checksum; // 00 00 2f 96
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public long ConfigSizeLba;
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public long ConfigurationSizeLba; // 08 00
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public long ConfigurationStartLba; // 03 FF F8 00
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public long DataSizeLba; // 03 FF F7 C1
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public long DataStartLba; // 3F
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public string DiskGroupId; // GUID string
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public string DiskGroupName; // MAX_COMPUTER_NAME_LENGTH?
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public string DiskId; // GUID string
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public string HostId; // GUID string
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public long LogSizeLba;
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public long NextTocLba;
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public long NumberOfConfigs;
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public long NumberOfLogs;
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public string Signature; // PRIVHEAD
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public DateTime Timestamp;
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public long TocSizeLba;
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public long Unknown2; // Active TOC? 00 .. 00 01
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public long Unknown3; // 00 .. 07 ff // 1 sector less than 2MB
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public long Unknown4; // 00 .. 07 40
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public uint Unknown5; // Sector Size?
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public uint Version; // 2.12
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public void ReadFrom(byte[] buffer, int offset)
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{
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Signature = EndianUtilities.BytesToString(buffer, offset + 0x00, 8);
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Checksum = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0x08);
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Version = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0x0C);
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Timestamp = DateTime.FromFileTimeUtc(EndianUtilities.ToInt64BigEndian(buffer, offset + 0x10));
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Unknown2 = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x18);
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Unknown3 = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x20);
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Unknown4 = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x28);
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DiskId = EndianUtilities.BytesToString(buffer, offset + 0x30, 0x40).Trim('\0');
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HostId = EndianUtilities.BytesToString(buffer, offset + 0x70, 0x40).Trim('\0');
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DiskGroupId = EndianUtilities.BytesToString(buffer, offset + 0xB0, 0x40).Trim('\0');
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DiskGroupName = EndianUtilities.BytesToString(buffer, offset + 0xF0, 31).Trim('\0');
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Unknown5 = EndianUtilities.ToUInt32BigEndian(buffer, offset + 0x10F);
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DataStartLba = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x11B);
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DataSizeLba = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x123);
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ConfigurationStartLba = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x12B);
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ConfigurationSizeLba = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x133);
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TocSizeLba = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x13B);
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NextTocLba = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x143);
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// These two may be reversed
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NumberOfConfigs = EndianUtilities.ToInt32BigEndian(buffer, offset + 0x14B);
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NumberOfLogs = EndianUtilities.ToInt32BigEndian(buffer, offset + 0x14F);
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ConfigSizeLba = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x153);
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LogSizeLba = EndianUtilities.ToInt64BigEndian(buffer, offset + 0x15B);
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}
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////}
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//// throw new NotImplementedException();
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//// // Add all byte values for 512 bytes
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//// // Zero checksum bytes (0x08, 4)
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////{
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////private static int CalcChecksum()
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}
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} |