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()); } }