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// FSM.cpp : This file contains the Finite State Machine ...
// Created: Feb '98
// Author : a-rakeba
// History:
// Copyright (C) 1998 Microsoft Corporation
// All rights reserved.
// Microsoft Confidential
#include "telnet.h"
#include "FSM.h"
#include "RFCProto.h"
FSM_TRANSITION telnetTransTable[] = { // State Input Next State Action
// ----- ----- ---------- ------
{ TS_DATA, TC_IAC, TS_IAC, &CRFCProtocol::NoOp }, { TS_DATA, TC_ANY, TS_DATA, &CRFCProtocol::PutBack}, { TS_IAC, TC_IAC, TS_DATA, &CRFCProtocol::PutBack}, { TS_IAC, TC_SB, TS_SUBNEG, &CRFCProtocol::NoOp },
// Telnet Commands
{ TS_IAC, TC_NOP, TS_DATA, &CRFCProtocol::NoOp }, { TS_IAC, TC_DM, TS_DATA, &CRFCProtocol::DataMark}, { TS_IAC, TC_GA, TS_DATA, &CRFCProtocol::GoAhead }, { TS_IAC, TC_EL, TS_DATA, &CRFCProtocol::EraseLine}, { TS_IAC, TC_EC, TS_DATA, &CRFCProtocol::EraseChar}, { TS_IAC, TC_AYT, TS_DATA, &CRFCProtocol::AreYouThere}, { TS_IAC, TC_AO, TS_DATA, &CRFCProtocol::AbortOutput}, { TS_IAC, TC_IP, TS_DATA, &CRFCProtocol::InterruptProcess}, { TS_IAC, TC_BREAK, TS_DATA, &CRFCProtocol::Break},
// Option Negotiation
{ TS_IAC, TC_WILL, TS_WOPT, &CRFCProtocol::RecordOption}, { TS_IAC, TC_WONT, TS_WOPT, &CRFCProtocol::RecordOption}, { TS_IAC, TC_DO, TS_DOPT, &CRFCProtocol::RecordOption}, { TS_IAC, TC_DONT, TS_DOPT, &CRFCProtocol::RecordOption}, { TS_IAC, TC_ANY, TS_DATA, &CRFCProtocol::NoOp },
// Option Subnegotiation
{ TS_SUBNEG, TC_IAC, TS_SUBIAC, &CRFCProtocol::NoOp }, { TS_SUBNEG, TC_ANY, TS_SUBNEG, &CRFCProtocol::SubOption}, { TS_SUBIAC, TC_SE, TS_DATA, &CRFCProtocol::SubEnd }, { TS_SUBIAC, TC_ANY, TS_SUBNEG, &CRFCProtocol::SubOption},
{ TS_WOPT, TO_ECHO, TS_DATA, &CRFCProtocol::DoEcho }, { TS_WOPT, TO_NAWS, TS_DATA, &CRFCProtocol::DoNaws }, { TS_WOPT, TO_SGA, TS_DATA, &CRFCProtocol::DoSuppressGA}, { TS_WOPT, TO_TXBINARY,TS_DATA, &CRFCProtocol::DoTxBinary}, { TS_WOPT, TO_TERMTYPE,TS_DATA, &CRFCProtocol::DoTermType}, { TS_WOPT, TO_AUTH, TS_DATA, &CRFCProtocol::DoAuthentication}, { TS_WOPT, TO_NEW_ENVIRON,TS_DATA, &CRFCProtocol::DoNewEnviron}, { TS_WOPT, TC_ANY, TS_DATA, &CRFCProtocol::DoNotSup},
{ TS_DOPT, TO_TXBINARY,TS_DATA, &CRFCProtocol::WillTxBinary}, { TS_DOPT, TO_SGA, TS_DATA, &CRFCProtocol::WillSuppressGA}, { TS_DOPT, TO_ECHO, TS_DATA, &CRFCProtocol::WillEcho}, { TS_DOPT, TC_ANY, TS_DATA, &CRFCProtocol::WillNotSup},
{ FS_INVALID, TC_ANY, FS_INVALID, &CRFCProtocol::Abort},};
#define NUM_TRANSITIONS (sizeof(telnetTransTable)/sizeof(telnetTransTable[0]))
FSM_TRANSITION subNegTransTable[] = { // State Input Next State Action
// ----- ----- ---------- ------
{ SS_START, TO_TERMTYPE,SS_TERMTYPE, &CRFCProtocol::NoOp }, { SS_START, TO_AUTH, SS_AUTH1, &CRFCProtocol::NoOp }, { SS_START, TO_NAWS, SS_NAWS, &CRFCProtocol::NoOp }, { SS_START, TO_NEW_ENVIRON, SS_NEW_ENVIRON1, &CRFCProtocol::NoOp }, { SS_START, TC_ANY, SS_END_FAIL, &CRFCProtocol::NoOp }, { SS_NAWS, TC_ANY, SS_NAWS, &CRFCProtocol::SubNaws},
{ SS_TERMTYPE,TT_IS, SS_END_SUCC, &CRFCProtocol::NoOp }, { SS_TERMTYPE,TC_ANY, SS_END_FAIL, &CRFCProtocol::NoOp },
{ SS_NEW_ENVIRON1,IS, SS_NEW_ENVIRON2,&CRFCProtocol::SubNewEnvShowLoginPrompt }, { SS_NEW_ENVIRON1,INFO, SS_NEW_ENVIRON2,&CRFCProtocol::NoOp }, { SS_NEW_ENVIRON1,TC_ANY, SS_END_FAIL, &CRFCProtocol::NoOp },
{ SS_NEW_ENVIRON2,VAR, SS_NEW_ENVIRON3,&CRFCProtocol::NoOp}, { SS_NEW_ENVIRON2,USERVAR,SS_NEW_ENVIRON3,&CRFCProtocol::NoOp}, { SS_NEW_ENVIRON2,TC_ANY, SS_END_FAIL, &CRFCProtocol::NoOp},
{ SS_NEW_ENVIRON3,VAR, SS_NEW_ENVIRON3,&CRFCProtocol::NoOp }, { SS_NEW_ENVIRON3,USERVAR,SS_NEW_ENVIRON3,&CRFCProtocol::NoOp }, { SS_NEW_ENVIRON3,VALUE, SS_NEW_ENVIRON3,&CRFCProtocol::NoOp }, { SS_NEW_ENVIRON3,ENV_ESC,SS_NEW_ENVIRON5,&CRFCProtocol::NoOp }, { SS_NEW_ENVIRON3,TC_ANY, SS_NEW_ENVIRON4,&CRFCProtocol::SubNewEnvGetString}, { SS_NEW_ENVIRON4,VAR, SS_NEW_ENVIRON3,&CRFCProtocol::SubNewEnvGetValue}, { SS_NEW_ENVIRON4,USERVAR,SS_NEW_ENVIRON3,&CRFCProtocol::SubNewEnvGetValue}, { SS_NEW_ENVIRON4,VALUE, SS_NEW_ENVIRON3,&CRFCProtocol::SubNewEnvGetVariable}, { SS_NEW_ENVIRON4,ENV_ESC,SS_NEW_ENVIRON5,&CRFCProtocol::NoOp}, { SS_NEW_ENVIRON4,TC_ANY, SS_NEW_ENVIRON4,&CRFCProtocol::SubNewEnvGetString}, { SS_NEW_ENVIRON5,TC_ANY, SS_NEW_ENVIRON4,&CRFCProtocol::SubNewEnvGetString},
{ SS_AUTH1, AU_IS, SS_AUTH2, &CRFCProtocol::NoOp }, { SS_AUTH1, TC_ANY, SS_END_FAIL, &CRFCProtocol::NoOp },
{ SS_AUTH2, TC_ANY, SS_AUTH2, &CRFCProtocol::SubAuth},
{ SS_END_FAIL,TC_ANY, SS_END_FAIL, &CRFCProtocol::NoOp }, { SS_END_SUCC,TC_ANY, SS_END_SUCC, &CRFCProtocol::SubTermType}, { FS_INVALID, TC_ANY, FS_INVALID, &CRFCProtocol::Abort },};
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