/// <exception cref="System.Exception"></exception>
public override bool Start(Session session)
{
base.Start(session);
byte[] password = session.password;
string dest = username + "@" + session.host;
if (session.port != 22)
{
dest += (":" + session.port);
}
try
{
while (true)
{
if (session.auth_failures >= session.max_auth_tries)
{
return(false);
}
if (password == null)
{
if (userinfo == null)
{
//throw new JSchException("USERAUTH fail");
return(false);
}
if (!userinfo.PromptPassword("Password for " + dest))
{
throw new JSchAuthCancelException("password");
}
//break;
string _password = userinfo.GetPassword();
if (_password == null)
{
throw new JSchAuthCancelException("password");
}
//break;
password = Util.Str2byte(_password);
}
byte[] _username = null;
_username = Util.Str2byte(username);
// send
// byte SSH_MSG_USERAUTH_REQUEST(50)
// string user name
// string service name ("ssh-connection")
// string "password"
// boolen FALSE
// string plaintext password (ISO-10646 UTF-8)
packet.Reset();
buf.PutByte(unchecked ((byte)SSH_MSG_USERAUTH_REQUEST));
buf.PutString(_username);
buf.PutString(Util.Str2byte("ssh-connection"));
buf.PutString(Util.Str2byte("password"));
buf.PutByte(unchecked ((byte)0));
buf.PutString(password);
session.Write(packet);
while (true)
{
buf = session.Read(buf);
int command = buf.GetCommand() & unchecked ((int)(0xff));
if (command == SSH_MSG_USERAUTH_SUCCESS)
{
return(true);
}
if (command == SSH_MSG_USERAUTH_BANNER)
{
buf.GetInt();
buf.GetByte();
buf.GetByte();
byte[] _message = buf.GetString();
byte[] lang = buf.GetString();
string message = Util.Byte2str(_message);
if (userinfo != null)
{
userinfo.ShowMessage(message);
}
goto loop_continue;
}
if (command == SSH_MSG_USERAUTH_PASSWD_CHANGEREQ)
{
buf.GetInt();
buf.GetByte();
buf.GetByte();
byte[] instruction = buf.GetString();
byte[] tag = buf.GetString();
if (userinfo == null || !(userinfo is UIKeyboardInteractive))
{
if (userinfo != null)
{
userinfo.ShowMessage("Password must be changed.");
}
return(false);
}
UIKeyboardInteractive kbi = (UIKeyboardInteractive)userinfo;
string[] response;
string name = "Password Change Required";
string[] prompt = new string[] { "New Password: "******"password");
}
byte[] newpassword = Util.Str2byte(response[0]);
// send
// byte SSH_MSG_USERAUTH_REQUEST(50)
// string user name
// string service name ("ssh-connection")
// string "password"
// boolen TRUE
// string plaintext old password (ISO-10646 UTF-8)
// string plaintext new password (ISO-10646 UTF-8)
packet.Reset();
buf.PutByte(unchecked ((byte)SSH_MSG_USERAUTH_REQUEST));
buf.PutString(_username);
buf.PutString(Util.Str2byte("ssh-connection"));
buf.PutString(Util.Str2byte("password"));
buf.PutByte(unchecked ((byte)1));
buf.PutString(password);
buf.PutString(newpassword);
Util.Bzero(newpassword);
response = null;
session.Write(packet);
goto loop_continue;
}
if (command == SSH_MSG_USERAUTH_FAILURE)
{
buf.GetInt();
buf.GetByte();
buf.GetByte();
byte[] foo = buf.GetString();
int partial_success = buf.GetByte();
//System.err.println(new String(foo)+
// " partial_success:"+(partial_success!=0));
if (partial_success != 0)
{
throw new JSchPartialAuthException(Util.Byte2str(foo));
}
session.auth_failures++;
break;
}
else
{
//System.err.println("USERAUTH fail ("+buf.getCommand()+")");
// throw new JSchException("USERAUTH fail ("+buf.getCommand()+")");
return(false);
}
loop_continue :;
}
loop_break :;
if (password != null)
{
Util.Bzero(password);
password = null;
}
}
}
finally
{
if (password != null)
{
Util.Bzero(password);
password = null;
}
}
}
public override bool start(Session session)
{
base.start(session);
byte[] password = session.password;
string dest = username + "@" + session.host;
if (session.port != 22)
{
dest += (":" + session.port);
}
try
{
while (true)
{
if (password == null)
{
if (userinfo == null)
{
//throw new JSchException("USERAUTH fail");
return(false);
}
if (!userinfo.promptPassword("Password for " + dest))
{
throw new JSchAuthCancelException("password");
//break;
}
string _password = userinfo.getPassword();
if (_password == null)
{
throw new JSchAuthCancelException("password");
//break;
}
password = Util.str2byte(_password);
}
byte[] _username = null;
_username = Util.str2byte(username);
// send
// byte SSH_MSG_USERAUTH_REQUEST(50)
// string user name
// string service name ("ssh-connection")
// string "password"
// boolen FALSE
// string plaintext password (ISO-10646 UTF-8)
packet.reset();
buf.putByte((byte)SSH_MSG_USERAUTH_REQUEST);
buf.putString(_username);
buf.putString("ssh-connection".getBytes());
buf.putString("password".getBytes());
buf.putByte((byte)0);
buf.putString(password);
session.write(packet);
while (true)
{
buf = session.Read(buf);
int command = buf.getCommand() & 0xff;
if (command == SSH_MSG_USERAUTH_SUCCESS)
{
return(true);
}
if (command == SSH_MSG_USERAUTH_BANNER)
{
buf.getInt(); buf.getByte(); buf.getByte();
byte[] _message = buf.getString();
byte[] lang = buf.getString();
string message = Util.byte2str(_message);
if (userinfo != null)
{
userinfo.showMessage(message);
}
goto loop;
}
if (command == SSH_MSG_USERAUTH_PASSWD_CHANGEREQ)
{
buf.getInt(); buf.getByte(); buf.getByte();
byte[] instruction = buf.getString();
byte[] tag = buf.getString();
if (userinfo == null ||
!(userinfo is UIKeyboardInteractive))
{
if (userinfo != null)
{
userinfo.showMessage("Password must be changed.");
}
return(false);
}
UIKeyboardInteractive kbi = (UIKeyboardInteractive)userinfo;
string[] response;
string name = "Password Change Required";
string[] prompt = { "New Password: "******"password");
}
byte[] newpassword = response[0].getBytes();
// send
// byte SSH_MSG_USERAUTH_REQUEST(50)
// string user name
// string service name ("ssh-connection")
// string "password"
// boolen TRUE
// string plaintext old password (ISO-10646 UTF-8)
// string plaintext new password (ISO-10646 UTF-8)
packet.reset();
buf.putByte((byte)SSH_MSG_USERAUTH_REQUEST);
buf.putString(_username);
buf.putString("ssh-connection".getBytes());
buf.putString("password".getBytes());
buf.putByte((byte)1);
buf.putString(password);
buf.putString(newpassword);
Util.bzero(newpassword);
response = null;
session.write(packet);
goto loop;
}
if (command == SSH_MSG_USERAUTH_FAILURE)
{
buf.getInt(); buf.getByte(); buf.getByte();
byte[] foo = buf.getString();
int partial_success = buf.getByte();
//Console.Error.WriteLine(Encoding.UTF8.GetString(foo)+
// " partial_success:"+(partial_success!=0));
if (partial_success != 0)
{
throw new JSchPartialAuthException(Encoding.UTF8.GetString(foo));
}
break;
}
else
{
//Console.Error.WriteLine("USERAUTH fail ("+buf.getCommand()+")");
// throw new JSchException("USERAUTH fail ("+buf.getCommand()+")");
return(false);
}
loop:
new object();
}
if (password != null)
{
Util.bzero(password);
password = null;
}
}
}
finally
{
if (password != null)
{
Util.bzero(password);
password = null;
}
}
//throw new JSchException("USERAUTH fail");
//return false;
}
public override bool start(Session session)
{
//System.out.println("UserAuthKeyboardInteractive: start");
Packet packet = session.packet;
Buffer buf = session.buf;
String username = session.username;
String dest = username + "@" + session.host;
if (session.port != 22)
{
dest += (":" + session.port);
}
bool cancel = false;
byte[] _username = null;
try
{
_username = Encoding.UTF8.GetBytes(username);
}
catch
{
_username = Util.getBytes(username);
}
while (true)
{
// send
// byte SSH_MSG_USERAUTH_REQUEST(50)
// string user name (ISO-10646 UTF-8, as defined in [RFC-2279])
// string service name (US-ASCII) "ssh-userauth" ? "ssh-connection"
// string "keyboard-interactive" (US-ASCII)
// string language tag (as defined in [RFC-3066])
// string submethods (ISO-10646 UTF-8)
packet.reset();
buf.putByte((byte)Session.SSH_MSG_USERAUTH_REQUEST);
buf.putString(_username);
buf.putString(Util.getBytes("ssh-connection"));
//buf.putString("ssh-userauth".getBytes());
buf.putString(Util.getBytes("keyboard-interactive"));
buf.putString(Util.getBytes(""));
buf.putString(Util.getBytes(""));
session.write(packet);
bool firsttime = true;
loop:
while (true)
{
// receive
// byte SSH_MSG_USERAUTH_SUCCESS(52)
// string service name
try
{
buf = session.read(buf);
}
catch (JSchException e)
{
e.GetType();
return(false);
}
catch (IOException e)
{
e.GetType();
return(false);
}
//System.out.println("read: 52 ? "+ buf.buffer[5]);
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_SUCCESS)
{
return(true);
}
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_BANNER)
{
buf.getInt();
buf.getByte();
buf.getByte();
byte[] _message = buf.getString();
byte[] lang = buf.getString();
String message = null;
try
{
message = Util.getStringUTF8(_message);
}
catch
{
message = Util.getString(_message);
}
if (userinfo != null)
{
userinfo.showMessage(message);
}
goto loop;
}
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_FAILURE)
{
buf.getInt();
buf.getByte();
buf.getByte();
byte[] foo = buf.getString();
int partial_success = buf.getByte();
// System.out.println(new String(foo)+
// " partial_success:"+(partial_success!=0));
if (partial_success != 0)
{
throw new JSchPartialAuthException(Util.getString(foo));
}
if (firsttime)
{
throw new JSchException("USERAUTH KI is not supported");
//return false;
//cancel=true; // ??
}
break;
}
if (buf.buffer[5] == Session.SSH_MSG_USERAUTH_INFO_REQUEST)
{
firsttime = false;
buf.getInt();
buf.getByte();
buf.getByte();
String name = Util.getString(buf.getString());
String instruction = Util.getString(buf.getString());
String languate_tag = Util.getString(buf.getString());
int num = buf.getInt();
//System.out.println("name: "+name);
//System.out.println("instruction: "+instruction);
//System.out.println("lang: "+languate_tag);
//System.out.println("num: "+num);
String[] prompt = new String[num];
bool[] echo = new bool[num];
for (int i = 0; i < num; i++)
{
prompt[i] = Util.getString(buf.getString());
echo[i] = (buf.getByte() != 0);
//System.out.println(" "+prompt[i]+","+echo[i]);
}
String[] response = null;
if (num > 0 ||
(name.Length > 0 || instruction.Length > 0)
)
{
UIKeyboardInteractive kbi = (UIKeyboardInteractive)userinfo;
if (userinfo != null)
{
response = kbi.promptKeyboardInteractive(dest,
name,
instruction,
prompt,
echo);
}
}
// byte SSH_MSG_USERAUTH_INFO_RESPONSE(61)
// int num-responses
// string response[1] (ISO-10646 UTF-8)
// ...
// string response[num-responses] (ISO-10646 UTF-8)
//if(response!=null)
//System.out.println("response.length="+response.length);
//else
//System.out.println("response is null");
packet.reset();
buf.putByte((byte)Session.SSH_MSG_USERAUTH_INFO_RESPONSE);
if (num > 0 &&
(response == null || // cancel
num != response.Length))
{
buf.putInt(0);
if (response == null)
{
cancel = true;
}
}
else
{
buf.putInt(num);
for (int i = 0; i < num; i++)
{
//System.out.println("response: |"+response[i]+"| <- replace here with **** if you need");
buf.putString(Util.getBytes(response[i]));
}
}
session.write(packet);
if (cancel)
{
break;
}
//System.out.println("continue loop");
goto loop;
}
//throw new JSchException("USERAUTH fail ("+buf.buffer[5]+")");
return(false);
}
if (cancel)
{
throw new JSchAuthCancelException("keyboard-interactive");
//break;
}
}
//return false;
}
public override bool start(Session session)
{
base.start(session);
if (userinfo != null && !(userinfo is UIKeyboardInteractive))
{
return(false);
}
string dest = username + "@" + session.host;
if (session.port != 22)
{
dest += (":" + session.port);
}
byte[] password = session.password;
bool cancel = false;
byte[] _username = null;
_username = Util.str2byte(username);
while (true)
{
// send
// byte SSH_MSG_USERAUTH_REQUEST(50)
// string user name (ISO-10646 UTF-8, as defined in [RFC-2279])
// string service name (US-ASCII) "ssh-userauth" ? "ssh-connection"
// string "keyboard-interactive" (US-ASCII)
// string language tag (as defined in [RFC-3066])
// string submethods (ISO-10646 UTF-8)
packet.reset();
buf.putByte((byte)SSH_MSG_USERAUTH_REQUEST);
buf.putString(_username);
buf.putString("ssh-connection".getBytes());
//buf.putString("ssh-userauth".getBytes());
buf.putString("keyboard-interactive".getBytes());
buf.putString("".getBytes());
buf.putString("".getBytes());
session.write(packet);
bool firsttime = true;
while (true)
{
buf = session.Read(buf);
int command = buf.getCommand() & 0xff;
if (command == SSH_MSG_USERAUTH_SUCCESS)
{
return(true);
}
if (command == SSH_MSG_USERAUTH_BANNER)
{
buf.getInt(); buf.getByte(); buf.getByte();
byte[] _message = buf.getString();
byte[] lang = buf.getString();
string message = null;
try { message = Encoding.UTF8.GetString(_message); }
catch //(Exception e)
{
message = Encoding.UTF8.GetString(_message);
}
if (userinfo != null)
{
userinfo.showMessage(message);
}
goto loop;
}
if (command == SSH_MSG_USERAUTH_FAILURE)
{
buf.getInt(); buf.getByte(); buf.getByte();
byte[] foo = buf.getString();
int partial_success = buf.getByte();
// Console.Error.WriteLine(Encoding.UTF8.GetString(foo)+
// " partial_success:"+(partial_success!=0));
if (partial_success != 0)
{
throw new JSchPartialAuthException(Encoding.UTF8.GetString(foo));
}
if (firsttime)
{
return(false);
//throw new JSchException("USERAUTH KI is not supported");
//cancel=true; // ??
}
break;
}
if (command == SSH_MSG_USERAUTH_INFO_REQUEST)
{
firsttime = false;
buf.getInt(); buf.getByte(); buf.getByte();
string name = Encoding.UTF8.GetString(buf.getString());
string instruction = Encoding.UTF8.GetString(buf.getString());
string languate_tag = Encoding.UTF8.GetString(buf.getString());
int num = buf.getInt();
string[] prompt = new string[num];
bool[] echo = new bool[num];
for (int i = 0; i < num; i++)
{
prompt[i] = Encoding.UTF8.GetString(buf.getString());
echo[i] = (buf.getByte() != 0);
}
byte[][] response = null;
if (num > 0 ||
(name.Length > 0 || instruction.Length > 0)
)
{
if (userinfo != null)
{
UIKeyboardInteractive kbi = (UIKeyboardInteractive)userinfo;
string[] _response = kbi.promptKeyboardInteractive(dest,
name,
instruction,
prompt,
echo);
if (_response != null)
{
response = new byte[_response.Length][];
for (int i = 0; i < _response.Length; i++)
{
response[i] = Util.str2byte(_response[i]);
}
}
}
else if (password != null &&
prompt.Length == 1 &&
!echo[0] &&
prompt[0].ToLower().StartsWith("password:"******"response.Length="+response.Length);
//else
//Console.Error.WriteLine("response is null");
packet.reset();
buf.putByte((byte)SSH_MSG_USERAUTH_INFO_RESPONSE);
if (num > 0 &&
(response == null || // cancel
num != response.Length))
{
if (response == null)
{
// working around the bug in OpenSSH ;-<
buf.putInt(num);
for (int i = 0; i < num; i++)
{
buf.putString("".getBytes());
}
}
else
{
buf.putInt(0);
}
if (response == null)
{
cancel = true;
}
}
else
{
buf.putInt(num);
for (int i = 0; i < num; i++)
{
//Console.Error.WriteLine("response: |"+Encoding.UTF8.GetString(response[i])+"| <- replace here with **** if you need");
buf.putString(response[i]);
}
}
session.write(packet);
/*
* if(cancel)
* break;
*/
goto loop;
}
//throw new JSchException("USERAUTH fail ("+command+")");
return(false);
loop:
new object();
}
if (cancel)
{
throw new JSchAuthCancelException("keyboard-interactive");
//break;
}
}
//return false;
}
/// <exception cref="System.Exception"></exception>
public override bool Start(Session session)
{
base.Start(session);
if (userinfo != null && !(userinfo is UIKeyboardInteractive))
{
return(false);
}
string dest = username + "@" + session.host;
if (session.port != 22)
{
dest += (":" + session.port);
}
byte[] password = session.password;
bool cancel = false;
byte[] _username = null;
_username = Util.Str2byte(username);
while (true)
{
// send
// byte SSH_MSG_USERAUTH_REQUEST(50)
// string user name (ISO-10646 UTF-8, as defined in [RFC-2279])
// string service name (US-ASCII) "ssh-userauth" ? "ssh-connection"
// string "keyboard-interactive" (US-ASCII)
// string language tag (as defined in [RFC-3066])
// string submethods (ISO-10646 UTF-8)
packet.Reset();
buf.PutByte(unchecked ((byte)SSH_MSG_USERAUTH_REQUEST));
buf.PutString(_username);
buf.PutString(Util.Str2byte("ssh-connection"));
//buf.putString("ssh-userauth".getBytes());
buf.PutString(Util.Str2byte("keyboard-interactive"));
buf.PutString(Util.empty);
buf.PutString(Util.empty);
session.Write(packet);
bool firsttime = true;
while (true)
{
buf = session.Read(buf);
int command = buf.GetCommand() & unchecked ((int)(0xff));
if (command == SSH_MSG_USERAUTH_SUCCESS)
{
return(true);
}
if (command == SSH_MSG_USERAUTH_BANNER)
{
buf.GetInt();
buf.GetByte();
buf.GetByte();
byte[] _message = buf.GetString();
byte[] lang = buf.GetString();
string message = Util.Byte2str(_message);
if (userinfo != null)
{
userinfo.ShowMessage(message);
}
goto loop_continue;
}
if (command == SSH_MSG_USERAUTH_FAILURE)
{
buf.GetInt();
buf.GetByte();
buf.GetByte();
byte[] foo = buf.GetString();
int partial_success = buf.GetByte();
// System.err.println(new String(foo)+
// " partial_success:"+(partial_success!=0));
if (partial_success != 0)
{
throw new JSchPartialAuthException(Util.Byte2str(foo));
}
if (firsttime)
{
return(false);
}
//throw new JSchException("USERAUTH KI is not supported");
//cancel=true; // ??
break;
}
if (command == SSH_MSG_USERAUTH_INFO_REQUEST)
{
firsttime = false;
buf.GetInt();
buf.GetByte();
buf.GetByte();
string name = Util.Byte2str(buf.GetString());
string instruction = Util.Byte2str(buf.GetString());
string languate_tag = Util.Byte2str(buf.GetString());
int num = buf.GetInt();
string[] prompt = new string[num];
bool[] echo = new bool[num];
for (int i = 0; i < num; i++)
{
prompt[i] = Util.Byte2str(buf.GetString());
echo[i] = (buf.GetByte() != 0);
}
byte[][] response = null;
if (password != null && prompt.Length == 1 && !echo[0] && prompt[0].ToLower().StartsWith
("password:"******"USERAUTH fail ("+command+")");
return(false);
loop_continue :;
}
loop_break :;
if (cancel)
{
throw new JSchAuthCancelException("keyboard-interactive");
}
}
}
