private byte[] UserIdentificationData()
{
using (var result = new MemoryStream())
{
if (!string.IsNullOrEmpty(_userID))
{
_srp = new SrpClient();
var login = Encoding.UTF8.GetBytes(_userID);
result.WriteByte(IscCodes.CNCT_login);
result.WriteByte((byte)login.Length);
result.Write(login, 0, login.Length);
var pluginName = Encoding.ASCII.GetBytes(SrpClient.PluginName);
result.WriteByte(IscCodes.CNCT_plugin_name);
result.WriteByte((byte)pluginName.Length);
result.Write(pluginName, 0, pluginName.Length);
result.WriteByte(IscCodes.CNCT_plugin_list);
result.WriteByte((byte)pluginName.Length);
result.Write(pluginName, 0, pluginName.Length);
var specificData = Encoding.ASCII.GetBytes(_srp.PublicKeyHex);
WriteMultiPartHelper(result, IscCodes.CNCT_specific_data, specificData);
}
else
{
_sspi = new SspiHelper();
var pluginName = Encoding.ASCII.GetBytes(SspiHelper.PluginName);
result.WriteByte(IscCodes.CNCT_plugin_name);
result.WriteByte((byte)pluginName.Length);
result.Write(pluginName, 0, pluginName.Length);
result.WriteByte(IscCodes.CNCT_plugin_list);
result.WriteByte((byte)pluginName.Length);
result.Write(pluginName, 0, pluginName.Length);
var specificData = _sspi.InitializeClientSecurity();
WriteMultiPartHelper(result, IscCodes.CNCT_specific_data, specificData);
}
var user = Encoding.UTF8.GetBytes(Environment.GetEnvironmentVariable("USERNAME"));
result.WriteByte(IscCodes.CNCT_user);
result.WriteByte((byte)user.Length);
result.Write(user, 0, user.Length);
var host = Encoding.UTF8.GetBytes(Dns.GetHostName());
result.WriteByte(IscCodes.CNCT_host);
result.WriteByte((byte)host.Length);
result.Write(host, 0, host.Length);
result.WriteByte(IscCodes.CNCT_client_crypt);
result.WriteByte(4);
result.Write(new byte[] { 0, 0, 0, 0 }, 0, 4);
result.WriteByte(IscCodes.CNCT_user_verification);
result.WriteByte(0);
return(result.ToArray());
}
}
private byte[] UserIdentificationData(out SrpClient srp, out SspiHelper sspi)
{
srp = null;
sspi = null;
using (var result = new MemoryStream())
{
var userString = Environment.GetEnvironmentVariable("USERNAME") ?? Environment.GetEnvironmentVariable("USER") ?? string.Empty;
var user = Encoding.UTF8.GetBytes(userString);
result.WriteByte(IscCodes.CNCT_user);
result.WriteByte((byte)user.Length);
result.Write(user, 0, user.Length);
var host = Encoding.UTF8.GetBytes(Dns.GetHostName());
result.WriteByte(IscCodes.CNCT_host);
result.WriteByte((byte)host.Length);
result.Write(host, 0, host.Length);
result.WriteByte(IscCodes.CNCT_user_verification);
result.WriteByte(0);
if (!string.IsNullOrEmpty(_userID))
{
srp = new SrpClient();
var login = Encoding.UTF8.GetBytes(_userID);
result.WriteByte(IscCodes.CNCT_login);
result.WriteByte((byte)login.Length);
result.Write(login, 0, login.Length);
var pluginName = Encoding.ASCII.GetBytes(SrpClient.PluginName);
result.WriteByte(IscCodes.CNCT_plugin_name);
result.WriteByte((byte)pluginName.Length);
result.Write(pluginName, 0, pluginName.Length);
result.WriteByte(IscCodes.CNCT_plugin_list);
result.WriteByte((byte)pluginName.Length);
result.Write(pluginName, 0, pluginName.Length);
var specificData = Encoding.ASCII.GetBytes(srp.PublicKeyHex);
WriteMultiPartHelper(result, IscCodes.CNCT_specific_data, specificData);
result.WriteByte(IscCodes.CNCT_client_crypt);
result.WriteByte(4);
result.Write(TypeEncoder.EncodeInt32(WireCryptOptionValue(_wireCrypt)), 0, 4);
}
else
{
sspi = new SspiHelper();
var pluginName = Encoding.ASCII.GetBytes(SspiHelper.PluginName);
result.WriteByte(IscCodes.CNCT_plugin_name);
result.WriteByte((byte)pluginName.Length);
result.Write(pluginName, 0, pluginName.Length);
result.WriteByte(IscCodes.CNCT_plugin_list);
result.WriteByte((byte)pluginName.Length);
result.Write(pluginName, 0, pluginName.Length);
var specificData = sspi.InitializeClientSecurity();
WriteMultiPartHelper(result, IscCodes.CNCT_specific_data, specificData);
result.WriteByte(IscCodes.CNCT_client_crypt);
result.WriteByte(4);
result.Write(TypeEncoder.EncodeInt32(IscCodes.WIRE_CRYPT_DISABLED), 0, 4);
}
return(result.ToArray());
}
}
public byte[] UserIdentificationData()
{
using (var result = new MemoryStream(1024))
{
var userString = Environment.GetEnvironmentVariable("USERNAME") ?? Environment.GetEnvironmentVariable("USER") ?? string.Empty;
var user = Encoding.UTF8.GetBytes(userString);
result.WriteByte(IscCodes.CNCT_user);
result.WriteByte((byte)user.Length);
result.Write(user, 0, user.Length);
var host = Encoding.UTF8.GetBytes(Dns.GetHostName());
result.WriteByte(IscCodes.CNCT_host);
result.WriteByte((byte)host.Length);
result.Write(host, 0, host.Length);
result.WriteByte(IscCodes.CNCT_user_verification);
result.WriteByte(0);
if (!string.IsNullOrEmpty(User))
{
var login = Encoding.UTF8.GetBytes(User);
result.WriteByte(IscCodes.CNCT_login);
result.WriteByte((byte)login.Length);
result.Write(login, 0, login.Length);
var pluginNameBytes = Encoding.ASCII.GetBytes(_srp256.Name);
result.WriteByte(IscCodes.CNCT_plugin_name);
result.WriteByte((byte)pluginNameBytes.Length);
result.Write(pluginNameBytes, 0, pluginNameBytes.Length);
var specificData = Encoding.ASCII.GetBytes(_srp256.PublicKeyHex);
WriteMultiPartHelper(result, IscCodes.CNCT_specific_data, specificData);
var plugins = string.Join(",", new[] { _srp256.Name, _srp.Name });
var pluginsBytes = Encoding.ASCII.GetBytes(plugins);
result.WriteByte(IscCodes.CNCT_plugin_list);
result.WriteByte((byte)pluginsBytes.Length);
result.Write(pluginsBytes, 0, pluginsBytes.Length);
result.WriteByte(IscCodes.CNCT_client_crypt);
result.WriteByte(4);
result.Write(TypeEncoder.EncodeInt32(WireCryptOptionValue(WireCrypt)), 0, 4);
}
else
{
var pluginNameBytes = Encoding.ASCII.GetBytes(_sspi.Name);
result.WriteByte(IscCodes.CNCT_plugin_name);
result.WriteByte((byte)pluginNameBytes.Length);
result.Write(pluginNameBytes, 0, pluginNameBytes.Length);
var specificData = _sspi.InitializeClientSecurity();
WriteMultiPartHelper(result, IscCodes.CNCT_specific_data, specificData);
result.WriteByte(IscCodes.CNCT_plugin_list);
result.WriteByte((byte)pluginNameBytes.Length);
result.Write(pluginNameBytes, 0, pluginNameBytes.Length);
result.WriteByte(IscCodes.CNCT_client_crypt);
result.WriteByte(4);
result.Write(TypeEncoder.EncodeInt32(IscCodes.WIRE_CRYPT_DISABLED), 0, 4);
}
return(result.ToArray());
}
}
