NetBSD/usr.sbin/pppd/pppd.h

437 lines
12 KiB
C

/*
* 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.
*/
/*
* TODO:
*/
#ifndef __PPPD_H__
#define __PPPD_H__
#include "args.h"
#define NPPP 1 /* One PPP interface supported (per process) */
extern int debug; /* Debug flag */
extern char ifname[]; /* Interface name */
extern int fd; /* Device file descriptor */
extern int s; /* socket descriptor */
extern char hostname[]; /* hostname */
extern u_char hostname_len; /* and its length */
extern u_char outpacket_buf[]; /* buffer for outgoing packets */
#define MAX_HOSTNAME_LEN 128 /* should be 255 - MAX_CHALLENGE_LEN + 1 */
void quit __ARGS((void)); /* Cleanup and exit */
void timeout __ARGS((void (*)(), caddr_t, int));
/* Look-alike of kernel's timeout() */
void untimeout __ARGS((void (*)(), caddr_t));
/* Look-alike of kernel's untimeout() */
void output __ARGS((int, u_char *, int)); /* Output a PPP packet */
void demuxprotrej __ARGS((int, int)); /* Demultiplex a Protocol-Reject */
u_char login __ARGS((char *, int, char *, int, char **, int *)); /* Login user */
void logout __ARGS((void)); /* Logout user */
void get_secret __ARGS((u_char *, u_char *, int *)); /* get "secret" for chap */
u_long GetMask __ARGS((u_long)); /* get netmask for address */
extern int errno;
/*
* 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)++ = (c); \
}
#define GETSHORT(s, cp) { \
(s) = *(cp)++ << 8; \
(s) |= *(cp)++; \
}
#define PUTSHORT(s, cp) { \
*(cp)++ = (s) >> 8; \
*(cp)++ = (s); \
}
#define GETLONG(l, cp) { \
(l) = *(cp)++ << 8; \
(l) |= *(cp)++; (l) <<= 8; \
(l) |= *(cp)++; (l) <<= 8; \
(l) |= *(cp)++; \
}
#define PUTLONG(l, cp) { \
*(cp)++ = (l) >> 24; \
*(cp)++ = (l) >> 16; \
*(cp)++ = (l) >> 8; \
*(cp)++ = (l); \
}
#define INCPTR(n, cp) ((cp) += (n))
#define DECPTR(n, cp) ((cp) -= (n))
/*
* 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) bcopy(s, d, l)
#define EXIT(u) quit()
#define GETUSERPASSWD(u)
#define LOGIN(n, u, ul, p, pl, m, ml) login(u, ul, p, pl, m, ml);
#define LOGOUT(n) logout()
#define GETSECRET(n, s, sl) get_secret(n, s, sl)
#define PRINTMSG(m, l) { m[l] = '\0'; syslog(LOG_INFO, "Remote message: %s", m); }
/*
* return a pointer to the beginning of the data part of a packet.
*/
#define PACKET_DATA(p) (p + DLLHEADERLEN)
/*
* MAKEHEADER - Add Header fields to a packet. (Should we do
* AC compression here?)
*/
#define MAKEHEADER(p, t) { \
PUTCHAR(ALLSTATIONS, p); \
PUTCHAR(UI, p); \
PUTSHORT(t, p); }
/*
* SIFASYNCMAP - Config the interface async map.
*/
#ifdef STREAMS
#define SIFASYNCMAP(u, a) { \
u_long x = a; \
if(ioctl(fd, SIOCSIFASYNCMAP, (caddr_t) &x) < 0) { \
syslog(LOG_ERR, "ioctl(SIOCSIFASYNCMAP): %m"); \
} }
#else
#define SIFASYNCMAP(u, a) { \
u_long x = a; \
if (ioctl(fd, PPPIOCSASYNCMAP, (caddr_t) &x) < 0) { \
syslog(LOG_ERR, "ioctl(PPPIOCSASYNCMAP): %m"); \
quit(); \
} }
#endif
/*
* SIFPCOMPRESSION - Config the interface for protocol compression.
*/
#ifdef STREAMS
#define SIFPCOMPRESSION(u) { \
char c = 1; \
if(ioctl(fd, SIOCSIFCOMPPROT, &c) < 0) { \
syslog(LOG_ERR, "ioctl(SIOCSIFCOMPPROT): %m"); \
}}
#else
#define SIFPCOMPRESSION(u) { \
u_int x; \
if (ioctl(fd, PPPIOCGFLAGS, (caddr_t) &x) < 0) { \
syslog(LOG_ERR, "ioctl (PPPIOCGFLAGS): %m"); \
quit(); \
} \
x |= SC_COMP_PROT; \
if (ioctl(fd, PPPIOCSFLAGS, (caddr_t) &x) < 0) { \
syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %m"); \
quit(); \
} }
#endif
/*
* CIFPCOMPRESSION - Config the interface for no protocol compression.
*/
#ifdef STREAMS
#define CIFPCOMPRESSION(u) { \
char c = 0; \
if(ioctl(fd, SIOCSIFCOMPPROT, &c) < 0) { \
syslog(LOG_ERR, "ioctl(SIOCSIFCOMPPROT): %m"); \
quit(); \
}}
#else
#define CIFPCOMPRESSION(u) { \
u_int x; \
if (ioctl(fd, PPPIOCGFLAGS, (caddr_t) &x) < 0) { \
syslog(LOG_ERR, "ioctl(PPPIOCGFLAGS): %m"); \
quit(); \
} \
x &= ~SC_COMP_PROT; \
if (ioctl(fd, PPPIOCSFLAGS, (caddr_t) &x) < 0) { \
syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %m"); \
quit(); \
} }
#endif
/*
* SIFACCOMPRESSION - Config the interface for address/control compression.
*/
#ifdef STREAMS
#define SIFACCOMPRESSION(u) { \
char c = 1; \
if(ioctl(fd, SIOCSIFCOMPAC, &c) < 0) { \
syslog(LOG_ERR, "ioctl(SIOCSIFCOMPAC): %m"); \
quit(); \
}}
#else
#define SIFACCOMPRESSION(u) { \
u_int x; \
if (ioctl(fd, PPPIOCGFLAGS, (caddr_t) &x) < 0) { \
syslog(LOG_ERR, "ioctl (PPPIOCGFLAGS): %m"); \
quit(); \
} \
x |= SC_COMP_AC; \
if (ioctl(fd, PPPIOCSFLAGS, (caddr_t) &x) < 0) { \
syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %m"); \
quit(); \
} }
#endif
/*
* CIFACCOMPRESSION - Config the interface for no address/control compression.
*/
#ifdef STREAMS
#define CIFACCOMPRESSION(u) { \
char c = 0; \
if(ioctl(fd, SIOCSIFCOMPAC, &c) < 0) { \
syslog(LOG_ERR, "ioctl(SIOCSIFCOMPAC): %m"); \
quit(); \
}}
#else
#define CIFACCOMPRESSION(u) { \
u_int x; \
if (ioctl(fd, PPPIOCGFLAGS, (caddr_t) &x) < 0) { \
syslog(LOG_ERR, "ioctl (PPPIOCGFLAGS): %m"); \
quit(); \
} \
x &= ~SC_COMP_AC; \
if (ioctl(fd, PPPIOCSFLAGS, (caddr_t) &x) < 0) { \
syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %m"); \
quit(); \
} }
#endif
/*
* SIFVJCOMP - config tcp header compression
*/
#ifdef STREAMS
#define SIFVJCOMP(u, a) { \
char x = a; \
if (debug) syslog(LOG_DEBUG, "SIFVJCOMP unit %d to value %d\n",u,x); \
if(ioctl(fd, SIOCSIFVJCOMP, (caddr_t) &x) < 0) { \
syslog(LOG_ERR, "ioctl(SIOCSIFVJCOMP): %m"); \
quit(); \
} \
}
#else
#define SIFVJCOMP(u, a) { \
u_int x; \
if (debug) \
syslog(LOG_DEBUG, "PPPIOCSFLAGS unit %d set %s\n",u,a?"on":"off"); \
if (ioctl(fd, PPPIOCGFLAGS, (caddr_t) &x) < 0) { \
syslog(LOG_ERR, "ioctl (PPPIOCGFLAGS): %m"); \
quit(); \
} \
x = (x & ~SC_COMP_TCP) | ((a) ? SC_COMP_TCP : 0); \
if(ioctl(fd, PPPIOCSFLAGS, (caddr_t) &x) < 0) { \
syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %m"); \
quit(); \
} }
#endif
/*
* SIFUP - Config the interface up.
*/
#define SIFUP(u) { \
struct ifreq ifr; \
strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name)); \
if (ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) { \
syslog(LOG_ERR, "ioctl (SIOCGIFFLAGS): %m"); \
quit(); \
} \
ifr.ifr_flags |= IFF_UP; \
if (ioctl(s, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) { \
syslog(LOG_ERR, "ioctl(SIOCSIFFLAGS): %m"); \
quit(); \
} }
/*
* SIFDOWN - Config the interface down.
*/
#define SIFDOWN(u) { \
struct ifreq ifr; \
strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name)); \
if (ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) { \
syslog(LOG_ERR, "ioctl (SIOCGIFFLAGS): %m"); \
quit(); \
} \
ifr.ifr_flags &= ~IFF_UP; \
if (ioctl(s, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) { \
syslog(LOG_ERR, "ioctl(SIOCSIFFLAGS): %m"); \
quit(); \
} }
/*
* SIFMTU - Config the interface MTU.
*/
#define SIFMTU(u, m) { \
struct ifreq ifr; \
strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name)); \
ifr.ifr_mtu = m; \
if (ioctl(s, SIOCSIFMTU, (caddr_t) &ifr) < 0) { \
syslog(LOG_ERR, "ioctl(SIOCSIFMTU): %m"); \
quit(); \
} }
#ifdef __NetBSD__ /* BSD >= 44 ? */
#define SET_SA_FAMILY(addr, family) \
bzero((char *) &(addr), sizeof(addr)); \
addr.sa_family = (family); \
addr.sa_len = sizeof(addr);
#else
#define SET_SA_FAMILY(addr, family) \
bzero((char *) &(addr), sizeof(addr)); \
addr.sa_family = (family);
#endif
/*
* SIFADDR - Config the interface IP addresses.
*/
#define SIFADDR(u, o, h) { \
struct ifreq ifr; \
strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name)); \
SET_SA_FAMILY(ifr.ifr_addr, AF_INET); \
((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr = o; \
if (ioctl(s, SIOCSIFADDR, (caddr_t) &ifr) < 0) { \
syslog(LOG_ERR, "ioctl(SIOCSIFADDR): %m"); \
} \
((struct sockaddr_in *) &ifr.ifr_dstaddr)->sin_addr.s_addr = h; \
if (ioctl(s, SIOCSIFDSTADDR, (caddr_t) &ifr) < 0) { \
syslog(LOG_ERR, "ioctl(SIOCSIFDSTADDR): %m"); \
quit(); \
} }
/*
* CIFADDR - Clear the interface IP addresses.
*/
#if BSD > 43
#define CIFADDR(u, o, h) { \
struct ortentry rt; \
SET_SA_FAMILY(rt.rt_dst, AF_INET); \
((struct sockaddr_in *) &rt.rt_dst)->sin_addr.s_addr = h; \
SET_SA_FAMILY(rt.rt_gateway, AF_INET); \
((struct sockaddr_in *) &rt.rt_gateway)->sin_addr.s_addr = o; \
rt.rt_flags |= RTF_HOST; \
syslog(LOG_INFO, "Deleting host route from %s to %s\n", \
ip_ntoa(h), ip_ntoa(o)); \
if (ioctl(s, SIOCDELRT, (caddr_t) &rt) < 0) { \
syslog(LOG_ERR, "ioctl(SIOCDELRT): %m"); \
} }
#else
#define CIFADDR(u, o, h) { \
struct rtentry rt; \
SET_SA_FAMILY(rt.rt_dst, AF_INET); \
((struct sockaddr_in *) &rt.rt_dst)->sin_addr.s_addr = h; \
SET_SA_FAMILY(rt.rt_gateway, AF_INET); \
((struct sockaddr_in *) &rt.rt_gateway)->sin_addr.s_addr = o; \
rt.rt_flags |= RTF_HOST; \
syslog(LOG_INFO, "Deleting host route from %s to %s\n", \
ip_ntoa(h), ip_ntoa(o)); \
if (ioctl(s, SIOCDELRT, (caddr_t) &rt) < 0) { \
syslog(LOG_ERR, "ioctl(SIOCDELRT): %m"); \
} }
#endif
/*
* SIFMASK - Config the interface net mask
*/
#define SIFMASK(u, m) { \
struct ifreq ifr; \
strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name)); \
SET_SA_FAMILY(ifr.ifr_addr, AF_INET); \
((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr = m; \
syslog(LOG_INFO, "Setting interface mask to %s\n", ip_ntoa(m)); \
if (ioctl(s, SIOCSIFNETMASK, (caddr_t) &ifr) < 0) { \
syslog(LOG_ERR, "ioctl(SIOCSIFADDR): %m"); \
} }
#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 */
#endif /* __PPP_H__ */