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freebsd-skq/usr.sbin/pppd/pppd.h
Poul-Henning Kamp d52b14d769 Use libmd. 
Add support for negotiating (more like "informing peer") about DNS.
Various cleanup of warnings.
1996-03-01 19:29:44 +00:00

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/*
* pppd.h - PPP daemon global declarations.
*
* Copyright (c) 1989 Carnegie Mellon University.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by Carnegie Mellon University. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* $Id: pppd.h,v 1.4 1995/10/31 21:21:42 peter Exp $
*/
/*
* TODO:
*/
#ifndef __PPPD_H__
#define __PPPD_H__
#include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
#include <sys/types.h> /* for u_int32_t, if defined */
#include <net/ppp_defs.h>
#define NUM_PPP 1 /* One PPP interface supported (per process) */
/*
* Limits.
*/
#define MAXWORDLEN 1024 /* max length of word in file (incl null) */
#define MAXARGS 1 /* max # args to a command */
#define MAXNAMELEN 256 /* max length of hostname or name for auth */
#define MAXSECRETLEN 256 /* max length of password or secret */
/*
* Global variables.
*/
extern int hungup; /* Physical layer has disconnected */
extern int ifunit; /* Interface unit number */
extern char ifname[]; /* Interface name */
extern int fd; /* Serial device file descriptor */
extern char hostname[]; /* Our hostname */
extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
extern int phase; /* Current state of link - see values below */
extern int baud_rate; /* Current link speed in bits/sec */
extern char *progname; /* Name of this program */
/*
* Variables set by command-line options.
*/
extern int debug; /* Debug flag */
extern int kdebugflag; /* Tell kernel to print debug messages */
extern int default_device; /* Using /dev/tty or equivalent */
extern char devnam[]; /* Device name */
extern int crtscts; /* Use hardware flow control */
extern int modem; /* Use modem control lines */
extern int inspeed; /* Input/Output speed requested */
extern u_int32_t netmask; /* IP netmask to set on interface */
extern u_int32_t dns1; /* Primary DNS server */
extern u_int32_t dns2; /* Secondary DNS server */
extern int lockflag; /* Create lock file to lock the serial dev */
extern int nodetach; /* Don't detach from controlling tty */
extern char *connector; /* Script to establish physical link */
extern char *disconnector; /* Script to disestablish physical link */
extern char user[]; /* Username for PAP */
extern char passwd[]; /* Password for PAP */
extern int auth_required; /* Peer is required to authenticate */
extern int proxyarp; /* Set up proxy ARP entry for peer */
extern int persist; /* Reopen link after it goes down */
extern int uselogin; /* Use /etc/passwd for checking PAP */
extern int lcp_echo_interval; /* Interval between LCP echo-requests */
extern int lcp_echo_fails; /* Tolerance to unanswered echo-requests */
extern char our_name[]; /* Our name for authentication purposes */
extern char remote_name[]; /* Peer's name for authentication */
extern int usehostname; /* Use hostname for our_name */
extern int disable_defaultip; /* Don't use hostname for default IP adrs */
extern char *ipparam; /* Extra parameter for ip up/down scripts */
extern int cryptpap; /* Others' PAP passwords are encrypted */
/*
* Values for phase.
*/
#define PHASE_DEAD 0
#define PHASE_ESTABLISH 1
#define PHASE_AUTHENTICATE 2
#define PHASE_NETWORK 3
#define PHASE_TERMINATE 4
/*
* Prototypes.
*/
void quit __P((void)); /* Cleanup and exit */
void timeout __P((void (*)(), caddr_t, int));
/* Look-alike of kernel's timeout() */
void untimeout __P((void (*)(), caddr_t));
/* Look-alike of kernel's untimeout() */
void output __P((int, u_char *, int));
/* Output a PPP packet */
void demuxprotrej __P((int, int));
/* Demultiplex a Protocol-Reject */
int check_passwd __P((int, char *, int, char *, int, char **, int *));
/* Check peer-supplied username/password */
int get_secret __P((int, char *, char *, char *, int *, int));
/* get "secret" for chap */
u_int32_t GetMask __P((u_int32_t)); /* get netmask for address */
void die __P((int));
/*
* Inline versions of get/put char/short/long.
* Pointer is advanced; we assume that both arguments
* are lvalues and will already be in registers.
* cp MUST be u_char *.
*/
#define GETCHAR(c, cp) { \
(c) = *(cp)++; \
}
#define PUTCHAR(c, cp) { \
*(cp)++ = (u_char) (c); \
}
#define GETSHORT(s, cp) { \
(s) = *(cp)++ << 8; \
(s) |= *(cp)++; \
}
#define PUTSHORT(s, cp) { \
*(cp)++ = (u_char) ((s) >> 8); \
*(cp)++ = (u_char) (s); \
}
#define GETLONG(l, cp) { \
(l) = *(cp)++ << 8; \
(l) |= *(cp)++; (l) <<= 8; \
(l) |= *(cp)++; (l) <<= 8; \
(l) |= *(cp)++; \
}
#define PUTLONG(l, cp) { \
*(cp)++ = (u_char) ((l) >> 24); \
*(cp)++ = (u_char) ((l) >> 16); \
*(cp)++ = (u_char) ((l) >> 8); \
*(cp)++ = (u_char) (l); \
}
#define INCPTR(n, cp) ((cp) += (n))
#define DECPTR(n, cp) ((cp) -= (n))
#undef FALSE
#define FALSE 0
#undef TRUE
#define TRUE 1
/*
* System dependent definitions for user-level 4.3BSD UNIX implementation.
*/
#define DEMUXPROTREJ(u, p) demuxprotrej(u, p)
#define TIMEOUT(r, f, t) timeout((r), (f), (t))
#define UNTIMEOUT(r, f) untimeout((r), (f))
#define BCOPY(s, d, l) memcpy(d, s, l)
#define BZERO(s, n) memset(s, 0, n)
#define EXIT(u) quit()
#define PRINTMSG(m, l) { m[l] = '\0'; syslog(LOG_INFO, "Remote message: %s", m); }
/*
* MAKEHEADER - Add Header fields to a packet.
*/
#define MAKEHEADER(p, t) { \
PUTCHAR(PPP_ALLSTATIONS, p); \
PUTCHAR(PPP_UI, p); \
PUTSHORT(t, p); }
#ifdef DEBUGALL
#define DEBUGMAIN 1
#define DEBUGFSM 1
#define DEBUGLCP 1
#define DEBUGIPCP 1
#define DEBUGUPAP 1
#define DEBUGCHAP 1
#endif
#ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUG) \
|| defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
|| defined(DEBUGCHAP)
#define LOG_PPP LOG_LOCAL2
#else
#define LOG_PPP LOG_DAEMON
#endif
#endif /* LOG_PPP */
#ifdef DEBUGMAIN
#define MAINDEBUG(x) if (debug) syslog x
#else
#define MAINDEBUG(x)
#endif
#ifdef DEBUGFSM
#define FSMDEBUG(x) if (debug) syslog x
#else
#define FSMDEBUG(x)
#endif
#ifdef DEBUGLCP
#define LCPDEBUG(x) if (debug) syslog x
#else
#define LCPDEBUG(x)
#endif
#ifdef DEBUGIPCP
#define IPCPDEBUG(x) if (debug) syslog x
#else
#define IPCPDEBUG(x)
#endif
#ifdef DEBUGUPAP
#define UPAPDEBUG(x) if (debug) syslog x
#else
#define UPAPDEBUG(x)
#endif
#ifdef DEBUGCHAP
#define CHAPDEBUG(x) if (debug) syslog x
#else
#define CHAPDEBUG(x)
#endif
#ifndef SIGTYPE
#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
#define SIGTYPE void
#else
#define SIGTYPE int
#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
#endif /* SIGTYPE */
#ifndef MIN
#define MIN(a, b) ((a) < (b)? (a): (b))
#endif
#ifndef MAX
#define MAX(a, b) ((a) > (b)? (a): (b))
#endif
#endif /* __PPP_H__ */
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