public List <SshPublicKey> GetUserPublicKeys(string userPublicKeyDir)
{
Log.Write("");
var list = new List <SshPublicKey>();
string[] files;
try
{
files = Directory.GetFiles(userPublicKeyDir);
}
catch (Exception)
{
Log.Write(LogColor.Important, "Unable to access user public key directory '{0}'.", userPublicKeyDir);
return(list);
}
for (int i = 0; i < files.Length; i++)
{
string file = files[i];
try
{
SshPublicKey key;
switch (Path.GetExtension(file).ToLowerInvariant())
{
case ".pub":
case ".key":
key = new SshPublicKey(file);
Log.Write("User public key '{0}' loaded.\r\nFingerprint: {1}", file, key.Fingerprint.ToString(SignatureHashAlgorithm.MD5));
list.Add(key);
break;
case ".der":
case ".cer":
case ".crt":
var certificate = Certificate.LoadDer(file);
key = new SshPublicKey(certificate);
Log.Write("User public key '{0}' loaded.\r\nFingerprint: {1}", file, key.Fingerprint.ToString(SignatureHashAlgorithm.MD5));
list.Add(key);
break;
case "":
if (Path.GetFileName(file) != "authorized_keys")
{
goto default;
}
var keys = SshPublicKey.LoadPublicKeys(file);
if (keys.Length > 0)
{
Log.Write("User public keys '{0}' loaded.", file);
foreach (var item in keys)
{
Log.Write("Fingerprint: {0}", item.Fingerprint.ToString(SignatureHashAlgorithm.MD5));
}
list.AddRange(keys);
}
break;
default:
Log.Write(LogColor.Important, "User public key '{0}' file extension is unknown.", file);
Log.Write(LogColor.Info, "Supported extensions for SSH public keys: '*.pub', '*.key'.");
Log.Write(LogColor.Info, "Supported extensions for X509 certificates: '*.der', '*.cer', '*.crt'.");
Log.Write(LogColor.Info, "Supported file name for ~/.ssh/authorized_keys file format: 'authorized_keys'.");
continue;
}
}
catch (Exception x)
{
Log.Write(LogColor.Important, "User public key '{0}' could not be loaded: {1}", file, x.Message);
}
}
return(list);
}
