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Use framework for more content protections

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This commit is contained in:
Matt Nadareski
2021-03-22 11:13:14 -07:00
parent 8ea54328ef
commit da165345b6
9 changed files with 355 additions and 250 deletions
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134
BurnOutSharp/ProtectionType/SafeDisc.cs
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@@ -4,61 +4,56 @@ using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using BurnOutSharp.Matching;
namespace BurnOutSharp.ProtectionType
{
// TODO: Figure out how to use GetContentMatches here
public class SafeDisc : IContentCheck, IPathCheck
{
/// <inheritdoc/>
public string CheckContents(string file, byte[] fileContent, bool includePosition = false)
{
// "BoG_ *90.0&!! Yy>"
byte?[] check = new byte?[] { 0x42, 0x6F, 0x47, 0x5F, 0x20, 0x2A, 0x39, 0x30, 0x2E, 0x30, 0x26, 0x21, 0x21, 0x20, 0x20, 0x59, 0x79, 0x3E };
if (fileContent.FirstPosition(check, out int position))
var matchers = new List<Matcher>
{
// "product activation library"
byte?[] check2 = new byte?[] { 0x70, 0x72, 0x6F, 0x64, 0x75, 0x63, 0x74, 0x20, 0x61, 0x63, 0x74, 0x69, 0x76, 0x61, 0x74, 0x69, 0x6F, 0x6E, 0x20, 0x6C, 0x69, 0x62, 0x72, 0x61, 0x72, 0x79 };
if (fileContent.FirstPosition(check2, out int position2))
return $"SafeCast {GetVersion(fileContent, position)}" + (includePosition ? $" (Index {position}, {position2})" : string.Empty);
else
return $"SafeDisc {GetVersion(fileContent, position)}" + (includePosition ? $" (Index {position})" : string.Empty);
}
new Matcher(new List<byte?[]>
{
// BoG_ *90.0&!! Yy>
new byte?[]
{
0x42, 0x6F, 0x47, 0x5F, 0x20, 0x2A, 0x39, 0x30,
0x2E, 0x30, 0x26, 0x21, 0x21, 0x20, 0x20, 0x59,
0x79, 0x3E
},
// (char)0x00 + (char)0x00 + "BoG_"
check = new byte?[] { 0x00, 0x00, 0x42, 0x6F, 0x47, 0x5F };
if (fileContent.FirstPosition(check, out position))
{
string version = SearchSafeDiscVersion(file, fileContent);
if (version.Length > 0)
return $"SafeDisc {version}" + (includePosition ? $" (Index {position})" : string.Empty);
// product activation library
new byte?[]
{
0x70, 0x72, 0x6F, 0x64, 0x75, 0x63, 0x74, 0x20,
0x61, 0x63, 0x74, 0x69, 0x76, 0x61, 0x74, 0x69,
0x6F, 0x6E, 0x20, 0x6C, 0x69, 0x62, 0x72, 0x61,
0x72, 0x79
},
}, GetVersion, "SafeCast"),
return "SafeDisc 3.20-4.xx (version removed)" + (includePosition ? $" (Index {position})" : string.Empty);
}
// BoG_ *90.0&!! Yy>
new Matcher(new byte?[]
{
0x42, 0x6F, 0x47, 0x5F, 0x20, 0x2A, 0x39, 0x30,
0x2E, 0x30, 0x26, 0x21, 0x21, 0x20, 0x20, 0x59,
0x79, 0x3E
}, "SafeDisc"),
// "stxt774"
check = new byte?[] { 0x73, 0x74, 0x78, 0x74, 0x37, 0x37, 0x34 };
if (fileContent.FirstPosition(check, out position))
{
string version = SearchSafeDiscVersion(file, fileContent);
if (version.Length > 0)
return $"SafeDisc {version}" + (includePosition ? $" (Index {position})" : string.Empty);
// (char)0x00 + (char)0x00 + BoG_
new Matcher(new byte?[] { 0x00, 0x00, 0x42, 0x6F, 0x47, 0x5F }, Get320to4xVersion, "SafeDisc"),
return "SafeDisc 3.20-4.xx (version removed)" + (includePosition ? $" (Index {position})" : string.Empty);
}
// stxt774
new Matcher(new byte?[] { 0x73, 0x74, 0x78, 0x74, 0x37, 0x37, 0x34 }, Get320to4xVersion, "SafeDisc"),
// "stxt371"
check = new byte?[] { 0x73, 0x74, 0x78, 0x74, 0x33, 0x37, 0x31 };
if (fileContent.FirstPosition(check, out position))
{
string version = SearchSafeDiscVersion(file, fileContent);
if (version.Length > 0)
return $"SafeDisc {version}" + (includePosition ? $" (Index {position})" : string.Empty);
// stxt371
new Matcher(new byte?[] { 0x73, 0x74, 0x78, 0x74, 0x33, 0x37, 0x31 }, Get320to4xVersion, "SafeDisc"),
};
return "SafeDisc 3.20-4.xx (version removed)" + (includePosition ? $" (Index {position})" : string.Empty);
}
return null;
return MatchUtil.GetFirstContentMatch(file, fileContent, matchers, includePosition);
}
/// <inheritdoc/>
@@ -136,6 +131,40 @@ namespace BurnOutSharp.ProtectionType
return null;
}
public static string GetVersion(string file, byte[] fileContent, int position)
{
int index = position + 20; // Begin reading after "BoG_ *90.0&!! Yy>" for old SafeDisc
int version = BitConverter.ToInt32(fileContent, index);
index += 4;
int subVersion = BitConverter.ToInt32(fileContent, index);
index += 4;
int subsubVersion = BitConverter.ToInt32(fileContent, index);
if (version != 0)
return $"{version}.{subVersion:00}.{subsubVersion:000}";
index = position + 18 + 14; // Begin reading after "BoG_ *90.0&!! Yy>" for newer SafeDisc
version = BitConverter.ToInt32(fileContent, index);
index += 4;
subVersion = BitConverter.ToInt32(fileContent, index);
index += 4;
subsubVersion = BitConverter.ToInt32(fileContent, index);
if (version == 0)
return "";
return $"{version}.{subVersion:00}.{subsubVersion:000}";
}
public static string Get320to4xVersion(string file, byte[] fileContent, int position)
{
string version = SearchSafeDiscVersion(file, fileContent);
if (version.Length > 0)
return version;
return "3.20-4.xx (version removed)";
}
private static string GetDPlayerXVersion(string file)
{
if (file == null || !File.Exists(file))
@@ -226,31 +255,6 @@ namespace BurnOutSharp.ProtectionType
return "SafeDisc 1 or greater";
}
private static string GetVersion(byte[] fileContent, int position)
{
int index = position + 20; // Begin reading after "BoG_ *90.0&!! Yy>" for old SafeDisc
int version = BitConverter.ToInt32(fileContent, index);
index += 4;
int subVersion = BitConverter.ToInt32(fileContent, index);
index += 4;
int subsubVersion = BitConverter.ToInt32(fileContent, index);
if (version != 0)
return $"{version}.{subVersion:00}.{subsubVersion:000}";
index = position + 18 + 14; // Begin reading after "BoG_ *90.0&!! Yy>" for newer SafeDisc
version = BitConverter.ToInt32(fileContent, index);
index += 4;
subVersion = BitConverter.ToInt32(fileContent, index);
index += 4;
subsubVersion = BitConverter.ToInt32(fileContent, index);
if (version == 0)
return "";
return $"{version}.{subVersion:00}.{subsubVersion:000}";
}
// TODO: Analyze this method and figure out if this can be done without attempting execution
private static string SearchSafeDiscVersion(string file, byte[] fileContent)
{