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Partially convert ProtectDISC to string finding

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This commit is contained in:
Matt Nadareski
2022-12-09 20:53:25 -08:00
parent e0150d7bb5
commit 46776b461b
1 changed files with 32 additions and 48 deletions
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80
BurnOutSharp/ProtectionType/ProtectDisc.cs
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@@ -53,53 +53,33 @@ namespace BurnOutSharp.ProtectionType
}
// Get the second to last section
var secondToLastSection = sections.Length > 1 ? sections[sections.Length - 2] : null;
if (secondToLastSection != null)
if (sections.Length > 1)
{
var secondToLastSectionData = pex.GetSectionData(sections.Length - 2);
if (secondToLastSectionData != null)
// Get the n - 1 section strings, if they exist
List<string> strs = pex.GetSectionStrings(sections.Length - 2);
if (strs != null)
{
var matchers = new List<ContentMatchSet>
{
// VOB ProtectCD
new ContentMatchSet(
new byte?[]
{
0x56, 0x4F, 0x42, 0x20, 0x50, 0x72, 0x6F, 0x74,
0x65, 0x63, 0x74, 0x43, 0x44
},
GetOldVersion,
"VOB ProtectCD/DVD"),
};
string match = MatchUtil.GetFirstMatch(file, secondToLastSectionData, matchers, includeDebug);
if (!string.IsNullOrWhiteSpace(match))
return match;
string str = strs.FirstOrDefault(s => s.Contains("VOB ProtectCD"));
if (str != null)
return $"VOB ProtectCD {GetOldVersion(str)}";
}
}
// TODO: Be better about finding the last section
// Get the last section (example names: ACE5, akxpxgcv, and piofinqb)
var lastSection = sections.LastOrDefault();
if (lastSection != null)
if (sections.Length > 0)
{
string lastSectionName = Encoding.UTF8.GetString(lastSection.Name).TrimEnd('\0');
var lastSectionData = pex.GetFirstSectionData(lastSectionName);
if (lastSectionData != null)
var matchers = new List<ContentMatchSet>
{
var matchers = new List<ContentMatchSet>
{
// HúMETINF
new ContentMatchSet(new byte?[] { 0x48, 0xFA, 0x4D, 0x45, 0x54, 0x49, 0x4E, 0x46 }, GetVersion76till10, "ProtectDISC"),
// HúMETINF
new ContentMatchSet(new byte?[] { 0x48, 0xFA, 0x4D, 0x45, 0x54, 0x49, 0x4E, 0x46 }, GetVersion76till10, "ProtectDISC"),
// DCP-BOV + (char)0x00 + (char)0x00
new ContentMatchSet(new byte?[] { 0x44, 0x43, 0x50, 0x2D, 0x42, 0x4F, 0x56, 0x00, 0x00 }, GetVersion3till6, "VOB ProtectCD/DVD"),
};
// DCP-BOV + (char)0x00 + (char)0x00
new ContentMatchSet(new byte?[] { 0x44, 0x43, 0x50, 0x2D, 0x42, 0x4F, 0x56, 0x00, 0x00 }, GetVersion3till6, "VOB ProtectCD/DVD"),
};
string match = MatchUtil.GetFirstMatch(file, lastSectionData, matchers, includeDebug);
if (!string.IsNullOrWhiteSpace(match))
return match;
}
string match = MatchUtil.GetFirstMatch(file, pex.GetSectionData(sections.Length - 1), matchers, includeDebug);
if (!string.IsNullOrWhiteSpace(match))
return match;
}
// Get the .vob.pcd section, if it exists
@@ -110,20 +90,24 @@ namespace BurnOutSharp.ProtectionType
return null;
}
public static string GetOldVersion(string file, byte[] fileContent, List<int> positions)
public static string GetOldVersion(string matchedString)
{
int position = positions[0] + 16; // Begin reading after "VOB ProtectCD"
char[] version = new ArraySegment<byte>(fileContent, position, 4).Select(b => (char)b).ToArray();
if (char.IsNumber(version[0]) && char.IsNumber(version[2]) && char.IsNumber(version[3]))
return $"{version[0]}.{version[2]}{version[3]}";
// Remove unnecessary parts
matchedString = matchedString.Trim()
.Replace("----====#### ", string.Empty)
.Replace(" ####====----", string.Empty);
// Look for the legacy support version
position = positions[0] + "VOB ProtectCD with LEGACY SYSIPHOS Support V".Length;
version = new ArraySegment<byte>(fileContent, position, 7).Select(b => (char)b).ToArray();
if (char.IsNumber(version[0]) && char.IsNumber(version[2]) && char.IsNumber(version[4]))
return new string(version);
// Split the string
string[] matchedStringArray = matchedString.Split(' ');
return "old";
// If we have no version
if (matchedStringArray.Length <= 2)
return "old";
else if (matchedString.StartsWith("VOB ProtectCD with LEGACY SYSIPHOS Support V"))
return $"with LEGACY SYSIPHOS Support {matchedStringArray[6].TrimStart('V')}";
// Return the version string with leading `V` trimmed
return matchedStringArray[2].TrimStart('V');
}
public static string GetVersion3till6(string file, byte[] fileContent, List<int> positions)