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Code Issues 295 Packages Projects Releases 20 Wiki Activity

Add and use MS-CAB constants

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This commit is contained in:
Matt Nadareski
2022-12-28 14:40:40 -08:00
parent 051c38c6df
commit ea9902c946
4 changed files with 17 additions and 4 deletions
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6
BurnOutSharp.Builders/MicrosoftCabinet.cs
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@@ -3,6 +3,7 @@ using System.IO;
using System.Text;
using BurnOutSharp.Models.MicrosoftCabinet;
using BurnOutSharp.Utilities;
using static BurnOutSharp.Models.MicrosoftCabinet.Constants;
namespace BurnOutSharp.Builders
{
@@ -125,8 +126,9 @@ namespace BurnOutSharp.Builders
{
CFHEADER header = new CFHEADER();
header.Signature = data.ReadUInt32();
if (header.Signature != 0x4643534D)
byte[] signature = data.ReadBytes(4);
header.Signature = Encoding.ASCII.GetString(signature);
if (header.Signature != SignatureString)
return null;
header.Reserved1 = data.ReadUInt32();

2
BurnOutSharp.Models/MicrosoftCabinet/CFHEADER.cs
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@@ -14,7 +14,7 @@ namespace BurnOutSharp.Models.MicrosoftCabinet
/// Contains the characters "M", "S", "C", and "F" (bytes 0x4D, 0x53, 0x43,
/// 0x46). This field is used to ensure that the file is a cabinet (.cab) file.
/// </summary>
public uint Signature;
public string Signature;
/// <summary>
/// Reserved field; MUST be set to 0 (zero).

11
BurnOutSharp.Models/MicrosoftCabinet/Constants.cs Normal file
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@@ -0,0 +1,11 @@
namespace BurnOutSharp.Models.MicrosoftCabinet
{
public static class Constants
{
public static readonly byte[] SignatureBytes = new byte[] { 0x4d, 0x53, 0x43, 0x46 };
public const string SignatureString = "MSCF";
public const uint SignatureUInt32 = 0x4643534d;
}
}

2
BurnOutSharp.Wrappers/MicrosoftCabinet.cs
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@@ -12,7 +12,7 @@ namespace BurnOutSharp.Wrappers
#region Header
/// <inheritdoc cref="Models.MicrosoftCabinet.CFHEADER.Signature"/>
public uint Signature => _cabinet.Header.Signature;
public string Signature => _cabinet.Header.Signature;
/// <inheritdoc cref="Models.MicrosoftCabinet.CFHEADER.Reserved1"/>
public uint Reserved1 => _cabinet.Header.Reserved1;