private ChecksumAlgorithmType ChecksumAlgorithmForFullPdb()
{
string fileName = Path.GetFileName(this.FileName);
string extension = Path.GetExtension(fileName);
string pdbPath = this.FileName.Replace(fileName, fileName.Replace(extension, ".pdb"));
if (!File.Exists(pdbPath))
{
return(ChecksumAlgorithmType.Unknown);
}
using var pdbStream = new FileStream(pdbPath, FileMode.Open, FileAccess.Read);
var metadataProvider = new SymMetadataProvider(this.metadataReader);
object importer = SymUnmanagedReaderFactory.CreateSymReaderMetadataImport(metadataProvider);
ISymUnmanagedReader3 reader = SymUnmanagedReaderFactory.CreateReaderWithMetadataImport <ISymUnmanagedReader3>(pdbStream, importer, SymUnmanagedReaderCreationOptions.UseComRegistry);
try
{
Guid algorithm = Guid.Empty;
foreach (ISymUnmanagedDocument document in reader.GetDocuments())
{
document.GetChecksumAlgorithmId(ref algorithm);
return(algorithm == sha256guid ? ChecksumAlgorithmType.Sha256 : ChecksumAlgorithmType.Sha1);
}
}
finally
{
_ = ((ISymUnmanagedDispose)reader).Destroy();
}
return(ChecksumAlgorithmType.Unknown);
}
public static ISymUnmanagedReader5 CreateReader(Stream pdbStream, Stream peStream)
{
pdbStream.Position = 0;
bool isPortable = pdbStream.ReadByte() == 'B' && pdbStream.ReadByte() == 'S' && pdbStream.ReadByte() == 'J' && pdbStream.ReadByte() == 'B';
pdbStream.Position = 0;
var metadataProvider = new SymMetadataProvider(peStream);
if (isPortable)
{
return((ISymUnmanagedReader5) new SymBinder().GetReaderFromStream(
pdbStream,
SymUnmanagedReaderFactory.CreateSymReaderMetadataImport(metadataProvider)));
}
else
{
return(SymUnmanagedReaderFactory.CreateReader <ISymUnmanagedReader5>(pdbStream, metadataProvider));
}
}