public override bool start(Session session)
{
// super.start(session);
//System.out.println("UserAuthPassword: start");
Packet packet = session.packet;
Buffer buf = session.buf;
String username = session.username;
String password = session.password;
String dest = username + "@" + session.host;
if (session.port != 22)
{
dest += (":" + session.port);
}
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;
}
password = userinfo.getPassword();
if (password == null)
{
throw new JSchAuthCancelException("password");
//break;
}
}
byte[] _username = null;
try{ _username = Util.getBytesUTF8(username); }
catch {//(java.io.UnsupportedEncodingException e){
_username = Util.getBytes(username);
}
byte[] _password = null;
try{ _password = Util.getBytesUTF8(password); }
catch {//(java.io.UnsupportedEncodingException e){
_password = Util.getBytes(password);
}
// 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)Session.SSH_MSG_USERAUTH_REQUEST);
buf.putString(_username);
buf.putString(Util.getBytes("ssh-connection"));
buf.putString(Util.getBytes("password"));
buf.putByte((byte)0);
buf.putString(_password);
session.write(packet);
loop:
while (true)
{
// receive
// byte SSH_MSG_USERAUTH_SUCCESS(52)
// string service name
buf = session.read(buf);
//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 {//(java.io.UnsupportedEncodingException e){
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));
}
break;
}
else
{
// System.out.println("USERAUTH fail ("+buf.buffer[5]+")");
// throw new JSchException("USERAUTH fail ("+buf.buffer[5]+")");
return(false);
}
}
password = null;
}
//throw new JSchException("USERAUTH fail");
//return false;
}
internal void setKnownHosts(StreamReader foo)
{
pool.Clear();
System.Text.StringBuilder sb = new System.Text.StringBuilder();
byte i;
int j;
bool error = false;
try
{
StreamReader fis = foo;
String host;
String key = null;
int type;
byte[] buf = new byte[1024];
int bufl = 0;
loop:
while (true)
{
bufl = 0;
while (true)
{
j = fis.Read();
if (j == -1)
{
goto break_loop;
}
if (j == 0x0d)
{
continue;
}
if (j == 0x0a)
{
break;
}
buf[bufl++] = (byte)j;
}
j = 0;
while (j < bufl)
{
i = buf[j];
if (i == ' ' || i == '\t')
{
j++; continue;
}
if (i == '#')
{
addInvalidLine(System.Text.Encoding.Default.GetString(buf, 0, bufl));
goto loop;
}
break;
}
if (j >= bufl)
{
addInvalidLine(System.Text.Encoding.Default.GetString(buf, 0, bufl));
goto loop;
}
sb.Length = 0;
while (j < bufl)
{
i = buf[j++];
if (i == 0x20 || i == '\t')
{
break;
}
sb.Append((char)i);
}
host = sb.ToString();
if (j >= bufl || host.Length == 0)
{
addInvalidLine(System.Text.Encoding.Default.GetString(buf, 0, bufl));
goto loop;
}
sb.Length = 0;
type = -1;
while (j < bufl)
{
i = buf[j++];
if (i == 0x20 || i == '\t')
{
break;
}
sb.Append((char)i);
}
if (sb.ToString().Equals("ssh-dss"))
{
type = HostKey.SSHDSS;
}
else if (sb.ToString().Equals("ssh-rsa"))
{
type = HostKey.SSHRSA;
}
else
{
j = bufl;
}
if (j >= bufl)
{
addInvalidLine(Util.getString(buf, 0, bufl));
goto loop;
}
sb.Length = 0;
while (j < bufl)
{
i = buf[j++];
if (i == 0x0d)
{
continue;
}
if (i == 0x0a)
{
break;
}
sb.Append((char)i);
}
key = sb.ToString();
if (key.Length == 0)
{
addInvalidLine(Util.getString(buf, 0, bufl));
goto loop;
}
//System.out.println(host);
//System.out.println("|"+key+"|");
HostKey hk = new HostKey(host, type,
Util.fromBase64(Util.getBytes(key), 0,
key.Length));
pool.Add(hk);
}
break_loop:
fis.Close();
if (error)
{
throw new JSchException("KnownHosts: invalid format");
}
}
catch (Exception e)
{
if (e is JSchException)
{
throw (JSchException)e;
}
throw new JSchException(e.ToString());
}
}
