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Fix #5859 (Melt crashes melting MSIs with elevated privileges) #469

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Fix #5859 (Melt crashes melting MSIs with elevated privileges) #469

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f1319ba
Fix #5859 (Melt crashes melting MSIs with elevated privileges)
Aug 3, 2018
ada7537
Fixed syntax error that slipped in before commiting.
Aug 7, 2018
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18 changes: 4 additions & 14 deletions src/tools/wix/Pdb.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -84,17 +84,16 @@ public static Pdb Load(string path, bool suppressVersionCheck, bool suppressSche
internal static Pdb Load(Stream stream, Uri uri, bool suppressVersionCheck, bool suppressSchema)
{
XmlReader reader = null;
TempFileCollection tempFileCollection = null;
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Not critical, but I would recommend a try/finally wherein you dispose of the TempFileCollection if it is not assigned to pdb.Output.TempFiles

string cabPath = null;

// look for the Microsoft cabinet file header and save the cabinet data if found
if ('M' == stream.ReadByte() && 'S' == stream.ReadByte() && 'C' == stream.ReadByte() && 'F' == stream.ReadByte())
{
long cabFileSize = 0;
byte[] offsetBuffer = new byte[4];
using (TempFileCollection tempFileCollection = new TempFileCollection())
{
cabPath = tempFileCollection.AddExtension("cab", true);
}
tempFileCollection = new TempFileCollection();
cabPath = tempFileCollection.AddExtension("cab", false);

// skip the header checksum
stream.Seek(4, SeekOrigin.Current);
Expand Down Expand Up @@ -138,16 +137,7 @@ internal static Pdb Load(Stream stream, Uri uri, bool suppressVersionCheck, bool
}

Pdb pdb = Parse(reader, suppressVersionCheck);

if (null != cabPath)
{
if (pdb.Output.TempFiles == null)
{
pdb.Output.TempFiles = new TempFileCollection();
}

pdb.Output.TempFiles.AddFile(cabPath, false);
}
pdb.Output.TempFiles = tempFileCollection;

return pdb;
}
Expand Down