7308ec6890
IPCP, CCP and LCP are now just derived FSMs. Comment each of the FSM implementations so that we can tell what's going on. Revise the state transitions so that CCP and IPCP actually send terminate REQs when appropriate. The OS & IPCP layers are still like spagetti (next job).
116 lines
3.3 KiB
C
116 lines
3.3 KiB
C
/*-
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* Copyright (c) 1997 Brian Somers <brian@Awfulhak.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: phase.c,v 1.6.4.4 1998/01/30 19:46:01 brian Exp $
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*/
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#include <sys/param.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#include <termios.h>
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#include "command.h"
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#include "mbuf.h"
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#include "log.h"
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#include "timer.h"
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#include "fsm.h"
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#include "lcp.h"
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#include "lcpproto.h"
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#include "auth.h"
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#include "pap.h"
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#include "chap.h"
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#include "defs.h"
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#include "iplist.h"
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#include "throughput.h"
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#include "hdlc.h"
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#include "link.h"
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#include "ipcp.h"
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#include "ccp.h"
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#include "main.h"
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#include "loadalias.h"
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#include "vars.h"
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#include "modem.h"
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#include "tun.h"
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#include "phase.h"
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int phase = 0; /* Curent phase */
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static const char *PhaseNames[] = {
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"Dead", "Establish", "Authenticate", "Network", "Terminate"
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};
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static const char *
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Auth2Nam(u_short auth)
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{
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switch (auth) {
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case PROTO_PAP:
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return "PAP";
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case PROTO_CHAP:
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return "CHAP";
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case 0:
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return "none";
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}
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return "unknown";
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}
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void
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NewPhase(struct physical *physical, int new)
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{
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phase = new;
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LogPrintf(LogPHASE, "NewPhase: %s\n", PhaseNames[phase]);
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switch (phase) {
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case PHASE_AUTHENTICATE:
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LcpInfo.auth_ineed = LcpInfo.want_auth;
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LcpInfo.auth_iwait = LcpInfo.his_auth;
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if (LcpInfo.his_auth || LcpInfo.want_auth) {
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LogPrintf(LogPHASE, " his = %s, mine = %s\n",
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Auth2Nam(LcpInfo.his_auth), Auth2Nam(LcpInfo.want_auth));
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/* XXX-ML AuthPapInfo and AuthChapInfo must be allocated! */
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if (LcpInfo.his_auth == PROTO_PAP)
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StartAuthChallenge(&AuthPapInfo, physical);
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if (LcpInfo.want_auth == PROTO_CHAP)
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StartAuthChallenge(&AuthChapInfo, physical);
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} else
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NewPhase(physical, PHASE_NETWORK);
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break;
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case PHASE_NETWORK:
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tun_configure(LcpInfo.his_mru, ModemSpeed(physical));
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IpcpUp();
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IpcpOpen();
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CcpUp();
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CcpOpen();
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break;
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case PHASE_DEAD:
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if (mode & MODE_DIRECT)
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Cleanup(EX_DEAD);
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if (mode & MODE_BACKGROUND && reconnectState != RECON_TRUE)
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Cleanup(EX_DEAD);
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break;
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}
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}
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