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Improve Bitpool detection (#43)

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* Improve Bitpool detection

* Address comments
This commit is contained in:
SilasLaspada
2021-07-02 11:16:06 -06:00
committed by GitHub
parent 9c3201aa4b
commit c74b5b3d29
1 changed files with 30 additions and 1 deletions
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31
BurnOutSharp/ProtectionType/Bitpool.cs
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@@ -3,14 +3,42 @@ using BurnOutSharp.Matching;
namespace BurnOutSharp.ProtectionType
{
public class Bitpool : IPathCheck
/// <summary>
/// Bitpool is a copy protection that seems to resemble SafeDisc in several ways, found mostly in German releases.
/// Makes use of bad sectors, and contains what appears to be an encrypted game executable always called "CD.IDX" (similar to SafeDisc ICD files), which seems to be present in every disc protected with it.
/// The "CD.IDX" appears to purposefully contain bad sectors in most, if not all, cases.
/// A "bitpool.rsc" file is present in some, but not all Bitpool protected games. The purpose of it is so far unclear.
/// </summary>
public class Bitpool : IContentCheck, IPathCheck
{
/// <summary>
/// Set of all ContentMatchSets for this protection
/// </summary>
private static readonly List<ContentMatchSet> contentMatchers = new List<ContentMatchSet>
{
// Sometimes found in CD.IDX
// BITPOOL.RSC
new ContentMatchSet(new byte?[]
{
0x42, 0x49, 0x54, 0x50, 0x4F, 0x4F, 0x4C, 0x2E,
0x52, 0x53, 0x43
}, "Bitpool"),
};
/// <inheritdoc/>
public string CheckContents(string file, byte[] fileContent, bool includePosition = false)
{
return MatchUtil.GetFirstMatch(file, fileContent, contentMatchers, includePosition);
}
/// <inheritdoc/>
public List<string> CheckDirectoryPath(string path, IEnumerable<string> files)
{
var matchers = new List<PathMatchSet>
{
new PathMatchSet(new PathMatch("bitpool.rsc", useEndsWith: true), "Bitpool"),
new PathMatchSet(new PathMatch("CD.IDX", useEndsWith: true), "Bitpool"),
};
return MatchUtil.GetAllMatches(files, matchers, any: true);
@@ -22,6 +50,7 @@ namespace BurnOutSharp.ProtectionType
var matchers = new List<PathMatchSet>
{
new PathMatchSet(new PathMatch("bitpool.rsc", useEndsWith: true), "Bitpool"),
new PathMatchSet(new PathMatch("CD.IDX", useEndsWith: true), "Bitpool"),
};
return MatchUtil.GetFirstMatch(path, matchers, any: true);