private bool ReplaceModuleReference(DllToSign module, DllReference reference)
{
bool changed;
ModuleDefinition md_ref;
ModuleDefinition md_sign;
md_ref = reference.Module;
md_sign = module.Module;
changed = false;
for (int i = 0; i < md_sign.AssemblyReferences.Count; i++)
{
// Find any references to our 'reference' DLLs and update them
if (md_sign.AssemblyReferences[i].Name == Path.GetFileNameWithoutExtension(md_ref.Name))
{
if (Debug)
{
Console.WriteLine("Debug: Replacing reference to {0}, [{1}, {2}] with [{3}, {4}] in module {5}",
md_sign.AssemblyReferences[i].Name,
md_sign.AssemblyReferences[i].Version,
PrintHex(md_sign.AssemblyReferences[i].PublicKeyToken),
md_ref.Assembly.Name.Version,
PrintHex(md_ref.Assembly.Name.PublicKeyToken),
Path.GetFileNameWithoutExtension(module.Filename)
);
}
// We have a match - we need to replace they token and version
md_sign.AssemblyReferences[i].PublicKeyToken = md_ref.Assembly.Name.PublicKeyToken;
md_sign.AssemblyReferences[i].Version = md_ref.Assembly.Name.Version;
module.ReferenceFixed = true;
}
// Find any references to our 'to sign' DLLs and replace the key token with the one we'll use to sign
for (int j = 0; j < signdlls.Count; j++)
{
if (md_sign.AssemblyReferences[i].Name == Path.GetFileNameWithoutExtension(signdlls[j].Module.Name))
{
if (Debug)
{
Console.WriteLine("Debug: Swapping key token for {0} from {1} to {2} in module {3}",
Path.GetFileNameWithoutExtension(signdlls[j].Module.Name),
PrintHex(md_sign.AssemblyReferences[i].PublicKeyToken),
PrintHex(PublicKeyTokenGenerator.Token(keys[signdlls[j].Key].KeyPair)),
md_sign.Name
);
}
md_sign.AssemblyReferences[i].PublicKeyToken = PublicKeyTokenGenerator.Token(keys[signdlls[j].Key].KeyPair);
}
}
}
return(changed);
}
private bool ReadConfiguration(out string error)
{
XmlNamespaceManager ns_mgr;
XmlDocument doc;
XmlNodeList nodes;
XmlNode node;
SigningKey key;
DllReference reference;
DllToSign sign;
ResignAssemblyResolver resolver;
error = string.Empty;
resolver = new ResignAssemblyResolver(this);
try {
doc = new XmlDocument();
doc.Load(configuration_file);
ns_mgr = new XmlNamespaceManager(doc.NameTable);
node = doc.SelectSingleNode("/resign/sign");
if (node != null)
{
reference_dir = GetAttribute(node, "referencedir", string.Empty);
}
nodes = doc.SelectNodes("/resign/signingkey");
foreach (XmlNode key_node in nodes)
{
key = new SigningKey();
key.Name = GetAttribute(key_node, "name", string.Empty);
key.Filename = GetAttribute(key_node, "file", string.Empty);
key.Container = GetAttribute(key_node, "container", string.Empty);
if (!string.IsNullOrEmpty(key.Filename) && !File.Exists(key.Filename))
{
error = "signingkey tag '" + key.Name + "' references non-existing file '" + key.Filename + "'";
return(false);
}
keys.Add(key.Name, key);
}
nodes = doc.SelectNodes("/resign/references/dll");
foreach (XmlNode ref_node in nodes)
{
reference = new DllReference();
reference.Name = GetAttribute(ref_node, "name", string.Empty);
reference.Filename = GetAttribute(ref_node, "path", string.Empty);
if (!File.Exists(reference.Filename))
{
error = "references/dll tag '" + reference.Name + "' references non-existing file '" + reference.Filename + "'";
return(false);
}
references.Add(Path.GetFileNameWithoutExtension(reference.Name), reference);
}
nodes = doc.SelectNodes("/resign/sign/dll");
foreach (XmlNode dll_node in nodes)
{
sign = new DllToSign(resolver);
sign.Filename = GetAttribute(dll_node, "path", string.Empty);
if (!File.Exists(sign.Filename))
{
error = "dll tag references non-existing path '" + sign.Filename + "'";
return(false);
}
sign.Key = GetAttribute(dll_node, "key", string.Empty);
if (!keys.Keys.Contains(sign.Key))
{
error = "dll tag '" + sign.Filename + "' references undefined key '" + sign.Key;
return(false);
}
signdlls.Add(sign);
}
node = doc.SelectSingleNode("/resign/sign");
output_dir = GetAttribute(node, "outputdir", string.Empty);
only_sign_on_match = GetAttribute(node, "changedonly", true);
return(true);
} catch (Exception ex) {
error = ex.ToString();
return(false);
}
}