/* * 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 1.1 1995/10/18 08:48:00 deraadt Exp $ */ /* * TODO: */ #ifndef __PPPD_H__ #define __PPPD_H__ #include /* for MAXPATHLEN and BSD4_4, if defined */ #include /* for u_int32_t, if defined */ #include #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 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__ */