256 lines
7.1 KiB
C
256 lines
7.1 KiB
C
/*
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* pppd.h - PPP daemon global declarations.
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*
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* Copyright (c) 1989 Carnegie Mellon University.
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* All rights reserved.
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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 Carnegie Mellon University. The name of the
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* University 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: pppd.h,v 1.8 1995/04/26 06:46:31 paulus Exp $
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*/
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/*
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* TODO:
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*/
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#ifndef __PPPD_H__
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#define __PPPD_H__
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#include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
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#include <sys/types.h> /* for u_int32_t, if defined */
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#include <net/ppp_defs.h>
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#define NUM_PPP 1 /* One PPP interface supported (per process) */
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/*
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* Limits.
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*/
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#define MAXWORDLEN 1024 /* max length of word in file (incl null) */
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#define MAXARGS 1 /* max # args to a command */
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#define MAXNAMELEN 256 /* max length of hostname or name for auth */
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#define MAXSECRETLEN 256 /* max length of password or secret */
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/*
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* Global variables.
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*/
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extern int hungup; /* Physical layer has disconnected */
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extern int ifunit; /* Interface unit number */
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extern char ifname[]; /* Interface name */
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extern int fd; /* Serial device file descriptor */
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extern char hostname[]; /* Our hostname */
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extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
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extern int phase; /* Current state of link - see values below */
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extern int baud_rate; /* Current link speed in bits/sec */
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extern char *progname; /* Name of this program */
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/*
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* Variables set by command-line options.
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*/
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extern int debug; /* Debug flag */
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extern int kdebugflag; /* Tell kernel to print debug messages */
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extern int default_device; /* Using /dev/tty or equivalent */
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extern char devnam[]; /* Device name */
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extern int crtscts; /* Use hardware flow control */
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extern int modem; /* Use modem control lines */
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extern int inspeed; /* Input/Output speed requested */
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extern u_int32_t netmask; /* IP netmask to set on interface */
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extern int lockflag; /* Create lock file to lock the serial dev */
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extern int nodetach; /* Don't detach from controlling tty */
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extern char *connector; /* Script to establish physical link */
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extern char *disconnector; /* Script to disestablish physical link */
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extern char user[]; /* Username for PAP */
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extern char passwd[]; /* Password for PAP */
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extern int auth_required; /* Peer is required to authenticate */
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extern int proxyarp; /* Set up proxy ARP entry for peer */
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extern int persist; /* Reopen link after it goes down */
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extern int uselogin; /* Use /etc/passwd for checking PAP */
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extern int lcp_echo_interval; /* Interval between LCP echo-requests */
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extern int lcp_echo_fails; /* Tolerance to unanswered echo-requests */
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extern char our_name[]; /* Our name for authentication purposes */
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extern char remote_name[]; /* Peer's name for authentication */
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extern int usehostname; /* Use hostname for our_name */
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extern int disable_defaultip; /* Don't use hostname for default IP adrs */
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extern char *ipparam; /* Extra parameter for ip up/down scripts */
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extern int cryptpap; /* Others' PAP passwords are encrypted */
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/*
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* Values for phase.
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*/
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#define PHASE_DEAD 0
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#define PHASE_ESTABLISH 1
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#define PHASE_AUTHENTICATE 2
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#define PHASE_NETWORK 3
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#define PHASE_TERMINATE 4
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/*
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* Prototypes.
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*/
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void quit __P((void)); /* Cleanup and exit */
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void timeout __P((void (*)(), caddr_t, int));
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/* Look-alike of kernel's timeout() */
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void untimeout __P((void (*)(), caddr_t));
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/* Look-alike of kernel's untimeout() */
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void output __P((int, u_char *, int));
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/* Output a PPP packet */
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void demuxprotrej __P((int, int));
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/* Demultiplex a Protocol-Reject */
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int check_passwd __P((int, char *, int, char *, int, char **, int *));
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/* Check peer-supplied username/password */
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int get_secret __P((int, char *, char *, char *, int *, int));
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/* get "secret" for chap */
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u_int32_t GetMask __P((u_int32_t)); /* get netmask for address */
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void die __P((int));
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/*
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* Inline versions of get/put char/short/long.
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* Pointer is advanced; we assume that both arguments
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* are lvalues and will already be in registers.
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* cp MUST be u_char *.
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*/
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#define GETCHAR(c, cp) { \
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(c) = *(cp)++; \
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}
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#define PUTCHAR(c, cp) { \
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*(cp)++ = (u_char) (c); \
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}
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#define GETSHORT(s, cp) { \
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(s) = *(cp)++ << 8; \
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(s) |= *(cp)++; \
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}
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#define PUTSHORT(s, cp) { \
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*(cp)++ = (u_char) ((s) >> 8); \
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*(cp)++ = (u_char) (s); \
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}
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#define GETLONG(l, cp) { \
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(l) = *(cp)++ << 8; \
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(l) |= *(cp)++; (l) <<= 8; \
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(l) |= *(cp)++; (l) <<= 8; \
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(l) |= *(cp)++; \
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}
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#define PUTLONG(l, cp) { \
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*(cp)++ = (u_char) ((l) >> 24); \
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*(cp)++ = (u_char) ((l) >> 16); \
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*(cp)++ = (u_char) ((l) >> 8); \
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*(cp)++ = (u_char) (l); \
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}
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#define INCPTR(n, cp) ((cp) += (n))
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#define DECPTR(n, cp) ((cp) -= (n))
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#undef FALSE
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#define FALSE 0
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#undef TRUE
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#define TRUE 1
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/*
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* System dependent definitions for user-level 4.3BSD UNIX implementation.
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*/
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#define DEMUXPROTREJ(u, p) demuxprotrej(u, p)
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#define TIMEOUT(r, f, t) timeout((r), (f), (t))
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#define UNTIMEOUT(r, f) untimeout((r), (f))
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#define BCOPY(s, d, l) memcpy(d, s, l)
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#define BZERO(s, n) memset(s, 0, n)
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#define EXIT(u) quit()
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#define PRINTMSG(m, l) { m[l] = '\0'; syslog(LOG_INFO, "Remote message: %s", m); }
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/*
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* MAKEHEADER - Add Header fields to a packet.
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*/
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#define MAKEHEADER(p, t) { \
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PUTCHAR(PPP_ALLSTATIONS, p); \
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PUTCHAR(PPP_UI, p); \
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PUTSHORT(t, p); }
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#ifdef DEBUGALL
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#define DEBUGMAIN 1
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#define DEBUGFSM 1
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#define DEBUGLCP 1
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#define DEBUGIPCP 1
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#define DEBUGUPAP 1
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#define DEBUGCHAP 1
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#endif
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#ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
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#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUG) \
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|| defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
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|| defined(DEBUGCHAP)
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#define LOG_PPP LOG_LOCAL2
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#else
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#define LOG_PPP LOG_DAEMON
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#endif
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#endif /* LOG_PPP */
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#ifdef DEBUGMAIN
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#define MAINDEBUG(x) if (debug) syslog x
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#else
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#define MAINDEBUG(x)
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#endif
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#ifdef DEBUGFSM
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#define FSMDEBUG(x) if (debug) syslog x
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#else
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#define FSMDEBUG(x)
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#endif
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#ifdef DEBUGLCP
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#define LCPDEBUG(x) if (debug) syslog x
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#else
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#define LCPDEBUG(x)
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#endif
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#ifdef DEBUGIPCP
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#define IPCPDEBUG(x) if (debug) syslog x
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#else
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#define IPCPDEBUG(x)
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#endif
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#ifdef DEBUGUPAP
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#define UPAPDEBUG(x) if (debug) syslog x
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#else
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#define UPAPDEBUG(x)
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#endif
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#ifdef DEBUGCHAP
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#define CHAPDEBUG(x) if (debug) syslog x
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#else
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#define CHAPDEBUG(x)
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#endif
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#ifndef SIGTYPE
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#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
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#define SIGTYPE void
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#else
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#define SIGTYPE int
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#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
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#endif /* SIGTYPE */
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#ifndef MIN
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#define MIN(a, b) ((a) < (b)? (a): (b))
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#endif
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#ifndef MAX
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#define MAX(a, b) ((a) > (b)? (a): (b))
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#endif
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#endif /* __PPP_H__ */
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