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Merge pull request #211 from alexguirre/rpf

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Fix crashes due to malicious RPFs
This commit is contained in:
dexyfex
2023-08-21 14:41:54 +10:00
committed by GitHub
Unverified
parent 44878ff70f 118305e481
commit ae9498f7d5
2 changed files with 13 additions and 3 deletions
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CodeWalker.Core/GameFiles/RpfFile.cs
+6 -1
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@@ -215,6 +215,11 @@ namespace CodeWalker.GameFiles
namesrdr.Position = e.NameOffset;
e.Name = namesrdr.ReadString();
if (e.Name.Length > 256)
{
// long names can freeze the RPFExplorer
e.Name = e.Name.Substring(0, 256);
}
e.NameLower = e.Name.ToLowerInvariant();
if ((e is RpfFileEntry) && string.IsNullOrEmpty(e.Name))
@@ -312,7 +317,7 @@ namespace CodeWalker.GameFiles
//search all the sub resources for YSC files. (recurse!)
string lname = binentry.NameLower;
if (lname.EndsWith(".rpf"))
if (lname.EndsWith(".rpf") && binentry.Path.Length < 5000) // a long path is most likely an attempt to crash CW, so skip it
{
br.BaseStream.Position = StartPos + ((long)binentry.FileOffset * 512);