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927145be97
o Use syslog
o Remove references to stdout/stderr (incl perror())
o Introduce VarTerm - the interactive terminal or zero
o Allow "set timeout" to affect current session
o Change "set debug" to "set log"
o Allow "set log [+|-]flag"
o Make MSEXT and PASSWDAUTH stuff the default
o Move all #ifdef DEBUG stuff into the code - this
shouldn't be too much overhead. It's now controlled
with "set log +debug"
o Add "set log command, debug, tun, warn, error, alert"
o Remove cdefs.h, and assume an ansi compiler.
o Improve all diagnostic output
o Don't trap SIGSEGV
o SIGHUP now terminates again (log files are controlled
by syslog)
o Call CloseModem() when changing devices
o Fix parsing of third arg of "delete"
I think this fixes the "magic is same" problems that some
people have been experiencing.
The man page is being rewritten. It'll follow soon.
137 lines
3.8 KiB
C
137 lines
3.8 KiB
C
/*
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* Written by Toshiharu OHNO (tony-o@iij.ad.jp)
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*
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* Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that the above copyright notice and this paragraph are
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* duplicated in all such forms and that any documentation,
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* advertising materials, and other materials related to such
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* distribution and use acknowledge that the software was developed
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* by the Internet Initiative Japan. The name of the
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* IIJ may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: fsm.h,v 1.7 1997/02/22 16:10:14 peter Exp $
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*
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* TODO:
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*/
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#ifndef _FSM_H_
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#define _FSM_H_
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#include "defs.h"
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#include <netinet/in.h>
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#include "timeout.h"
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/*
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* State of machine
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*/
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#define ST_INITIAL 0
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#define ST_STARTING 1
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#define ST_CLOSED 2
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#define ST_STOPPED 3
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#define ST_CLOSING 4
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#define ST_STOPPING 5
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#define ST_REQSENT 6
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#define ST_ACKRCVD 7
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#define ST_ACKSENT 8
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#define ST_OPENED 9
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#define ST_MAX 10
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#define ST_UNDEF -1
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#define MODE_REQ 0
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#define MODE_NAK 1
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#define MODE_REJ 2
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#define MODE_NOP 3
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#define OPEN_ACTIVE 0
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#define OPEN_PASSIVE 1
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struct fsm {
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char *name; /* Name of protocol */
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u_short proto; /* Protocol number */
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u_short max_code;
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int open_mode;
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int state; /* State of the machine */
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int reqid; /* Next request id */
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int restart; /* Restart counter value */
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int maxconfig;
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int reqcode; /* Request code sent */
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struct pppTimer FsmTimer; /* Restart Timer */
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void (*LayerUp)(struct fsm *);
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void (*LayerDown)(struct fsm *);
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void (*LayerStart)(struct fsm *);
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void (*LayerFinish)(struct fsm *);
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void (*InitRestartCounter)(struct fsm *);
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void (*SendConfigReq)(struct fsm *);
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void (*SendTerminateReq)(struct fsm *);
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void (*SendTerminateAck)(struct fsm *);
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void (*DecodeConfig)(u_char *, int, int);
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};
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struct fsmheader {
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u_char code; /* Request code */
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u_char id; /* Identification */
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u_short length; /* Length of packet */
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};
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#define CODE_CONFIGREQ 1
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#define CODE_CONFIGACK 2
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#define CODE_CONFIGNAK 3
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#define CODE_CONFIGREJ 4
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#define CODE_TERMREQ 5
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#define CODE_TERMACK 6
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#define CODE_CODEREJ 7
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#define CODE_PROTOREJ 8
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#define CODE_ECHOREQ 9 /* Used in LCP */
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#define CODE_ECHOREP 10 /* Used in LCP */
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#define CODE_DISCREQ 11
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#define CODE_IDENT 12 /* Used in LCP Extension */
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#define CODE_TIMEREM 13 /* Used in LCP Extension */
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#define CODE_RESETREQ 14 /* Used in CCP */
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#define CODE_RESETACK 15 /* Used in CCP */
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struct fsmcodedesc {
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void (*action)(struct fsm *, struct fsmheader *, struct mbuf *);
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char *name;
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};
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struct fsmconfig {
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u_char type;
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u_char length;
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};
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u_char AckBuff[200];
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u_char NakBuff[200];
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u_char RejBuff[100];
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u_char ReqBuff[200];
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u_char *ackp, *nakp, *rejp;
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extern char const *StateNames[];
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extern void FsmInit(struct fsm *);
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extern void NewState(struct fsm *, int);
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extern void FsmOutput(struct fsm *, u_int, u_int, u_char *, int);
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extern void FsmOpen(struct fsm *);
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extern void FsmUp(struct fsm *);
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extern void FsmDown(struct fsm *);
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extern void FsmInput(struct fsm *, struct mbuf *);
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extern void FsmRecvConfigReq(struct fsm *, struct fsmheader *, struct mbuf *);
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extern void FsmRecvConfigAck(struct fsm *, struct fsmheader *, struct mbuf *);
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extern void FsmRecvConfigNak(struct fsm *, struct fsmheader *, struct mbuf *);
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extern void FsmRecvTermReq(struct fsm *, struct fsmheader *, struct mbuf *);
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extern void FsmRecvTermAck(struct fsm *, struct fsmheader *, struct mbuf *);
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extern void FsmClose(struct fsm *fp);
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extern struct fsm LcpFsm, IpcpFsm, CcpFsm;
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#endif /* _FSM_H_ */
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