//
// Either keyFile or keyContainer has to be non-null
//
void LoadPublicKey(string keyFile, string keyContainer)
{
if (keyContainer != null)
{
try {
private_key = new StrongNameKeyPair(keyContainer);
public_key = private_key.PublicKey;
} catch {
Error_AssemblySigning("The specified key container `" + keyContainer + "' does not exist");
}
return;
}
bool key_file_exists = File.Exists(keyFile);
//
// For attribute based KeyFile do additional lookup
// in output assembly path
//
if (!key_file_exists && Compiler.Settings.StrongNameKeyFile == null)
{
//
// The key file can be relative to output assembly
//
string test_path = Path.Combine(Path.GetDirectoryName(file_name), keyFile);
key_file_exists = File.Exists(test_path);
if (key_file_exists)
{
keyFile = test_path;
}
}
if (!key_file_exists)
{
Error_AssemblySigning("The specified key file `" + keyFile + "' does not exist");
return;
}
using (FileStream fs = new FileStream(keyFile, FileMode.Open, FileAccess.Read)) {
byte[] snkeypair = new byte[fs.Length];
fs.Read(snkeypair, 0, snkeypair.Length);
// check for ECMA key
if (snkeypair.Length == 16)
{
public_key = snkeypair;
return;
}
try {
// take it, with or without, a private key
RSA rsa = CryptoConvert.FromCapiKeyBlob(snkeypair);
// and make sure we only feed the public part to Sys.Ref
byte[] publickey = CryptoConvert.ToCapiPublicKeyBlob(rsa);
// AssemblyName.SetPublicKey requires an additional header
byte[] publicKeyHeader = new byte[8] {
0x00, 0x24, 0x00, 0x00, 0x04, 0x80, 0x00, 0x00
};
// Encode public key
public_key = new byte[12 + publickey.Length];
Buffer.BlockCopy(publicKeyHeader, 0, public_key, 0, publicKeyHeader.Length);
// Length of Public Key (in bytes)
int lastPart = public_key.Length - 12;
public_key[8] = (byte)(lastPart & 0xFF);
public_key[9] = (byte)((lastPart >> 8) & 0xFF);
public_key[10] = (byte)((lastPart >> 16) & 0xFF);
public_key[11] = (byte)((lastPart >> 24) & 0xFF);
Buffer.BlockCopy(publickey, 0, public_key, 12, publickey.Length);
} catch {
Error_AssemblySigning("The specified key file `" + keyFile + "' has incorrect format");
return;
}
if (delay_sign)
{
return;
}
try {
// TODO: Is there better way to test for a private key presence ?
CryptoConvert.FromCapiPrivateKeyBlob(snkeypair);
private_key = new StrongNameKeyPair(snkeypair);
} catch { }
}
}
// TODO: rewrite this code (to kill N bugs and make it faster) and use standard ApplyAttribute way.
public AssemblyName GetAssemblyName(string name, string output)
{
if (OptAttributes != null)
{
foreach (Attribute a in OptAttributes.Attrs)
{
// cannot rely on any resolve-based members before you call Resolve
if (a.ExplicitTarget == null || a.ExplicitTarget != "assembly")
{
continue;
}
// TODO: This code is buggy: comparing Attribute name without resolving is wrong.
// However, this is invoked by CodeGen.Init, when none of the namespaces
// are loaded yet.
// TODO: Does not handle quoted attributes properly
switch (a.Name)
{
case "AssemblyKeyFile":
case "AssemblyKeyFileAttribute":
case "System.Reflection.AssemblyKeyFileAttribute":
if (RootContext.StrongNameKeyFile != null)
{
Report.SymbolRelatedToPreviousError(a.Location, a.GetSignatureForError());
Report.Warning(1616, 1, "Option `{0}' overrides attribute `{1}' given in a source file or added module",
"keyfile", "System.Reflection.AssemblyKeyFileAttribute");
}
else
{
string value = a.GetString();
if (value != null && value.Length != 0)
{
RootContext.StrongNameKeyFile = value;
}
}
break;
case "AssemblyKeyName":
case "AssemblyKeyNameAttribute":
case "System.Reflection.AssemblyKeyNameAttribute":
if (RootContext.StrongNameKeyContainer != null)
{
Report.SymbolRelatedToPreviousError(a.Location, a.GetSignatureForError());
Report.Warning(1616, 1, "Option `{0}' overrides attribute `{1}' given in a source file or added module",
"keycontainer", "System.Reflection.AssemblyKeyNameAttribute");
}
else
{
string value = a.GetString();
if (value != null && value.Length != 0)
{
RootContext.StrongNameKeyContainer = value;
}
}
break;
case "AssemblyDelaySign":
case "AssemblyDelaySignAttribute":
case "System.Reflection.AssemblyDelaySignAttribute":
RootContext.StrongNameDelaySign = a.GetBoolean();
break;
}
}
}
AssemblyName an = new AssemblyName();
an.Name = Path.GetFileNameWithoutExtension(name);
// note: delay doesn't apply when using a key container
if (RootContext.StrongNameKeyContainer != null)
{
an.KeyPair = new StrongNameKeyPair(RootContext.StrongNameKeyContainer);
return(an);
}
// strongname is optional
if (RootContext.StrongNameKeyFile == null)
{
return(an);
}
string AssemblyDir = Path.GetDirectoryName(output);
// the StrongName key file may be relative to (a) the compiled
// file or (b) to the output assembly. See bugzilla #55320
// http://bugzilla.ximian.com/show_bug.cgi?id=55320
// (a) relative to the compiled file
string filename = Path.GetFullPath(RootContext.StrongNameKeyFile);
bool exist = File.Exists(filename);
if ((!exist) && (AssemblyDir != null) && (AssemblyDir != String.Empty))
{
// (b) relative to the outputed assembly
filename = Path.GetFullPath(Path.Combine(AssemblyDir, RootContext.StrongNameKeyFile));
exist = File.Exists(filename);
}
if (exist)
{
using (FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read)) {
byte[] snkeypair = new byte [fs.Length];
fs.Read(snkeypair, 0, snkeypair.Length);
if (RootContext.StrongNameDelaySign)
{
// delayed signing - DO NOT include private key
SetPublicKey(an, snkeypair);
}
else
{
// no delay so we make sure we have the private key
try {
CryptoConvert.FromCapiPrivateKeyBlob(snkeypair);
an.KeyPair = new StrongNameKeyPair(snkeypair);
}
catch (CryptographicException) {
if (snkeypair.Length == 16)
{
// error # is different for ECMA key
Report.Error(1606, "Could not sign the assembly. " +
"ECMA key can only be used to delay-sign assemblies");
}
else
{
Error_AssemblySigning("The specified file `" + RootContext.StrongNameKeyFile + "' does not have a private key");
}
return(null);
}
}
}
}
else
{
Error_AssemblySigning("The specified file `" + RootContext.StrongNameKeyFile + "' does not exist");
return(null);
}
return(an);
}
