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[unix-history] / libexec / pppd / pppd.h
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2a905848
RG		 1/*
2 * pppd.h - PPP daemon global declarations.
3 *
4 * Copyright (c) 1989 Carnegie Mellon University.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms are permitted
8 * provided that the above copyright notice and this paragraph are
9 * duplicated in all such forms and that any documentation,
10 * advertising materials, and other materials related to such
11 * distribution and use acknowledge that the software was developed
12 * by Carnegie Mellon University. The name of the
13 * University may not be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
17 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
18 */
19
20/*
21 * TODO:
22 */
23
24#ifndef __PPPD_H__
25#define __PPPD_H__
26#include "args.h"
27#define NPPP 1 /* One PPP interface supported (per process) */
28
29extern int debug; /* Debug flag */
30extern char ifname[]; /* Interface name */
31extern int fd; /* Device file descriptor */
32extern int s; /* socket descriptor */
33extern char hostname[]; /* hostname */
34extern u_char hostname_len; /* and its length */
35extern u_char outpacket_buf[]; /* buffer for outgoing packets */
36
37#define MAX_HOSTNAME_LEN 128 /* should be 255 - MAX_CHALLENGE_LEN + 1 */
38
39void quit __ARGS((void)); /* Cleanup and exit */
40void timeout __ARGS((void (*)(), caddr_t, int));
41 /* Look-alike of kernel's timeout() */
42void untimeout __ARGS((void (*)(), caddr_t));
43 /* Look-alike of kernel's untimeout() */
44void output __ARGS((int, u_char *, int)); /* Output a PPP packet */
45void demuxprotrej __ARGS((int, int)); /* Demultiplex a Protocol-Reject */
46u_char login __ARGS((char *, int, char *, int, char **, int *)); /* Login user */
47void logout __ARGS((void)); /* Logout user */
48void get_secret __ARGS((u_char *, u_char *, int *)); /* get "secret" for chap */
49u_long GetMask __ARGS((u_long)); /* get netmask for address */
50extern int errno;
51
52
53/*
54 * Inline versions of get/put char/short/long.
55 * Pointer is advanced; we assume that both arguments
56 * are lvalues and will already be in registers.
57 * cp MUST be u_char *.
58 */
59#define GETCHAR(c, cp) { \
60 (c) = *(cp)++; \
61}
62#define PUTCHAR(c, cp) { \
63 *(cp)++ = (c); \
64}
65
66
67#define GETSHORT(s, cp) { \
68 (s) = *(cp)++ << 8; \
69 (s) |= *(cp)++; \
70}
71#define PUTSHORT(s, cp) { \
72 *(cp)++ = (s) >> 8; \
73 *(cp)++ = (s); \
74}
75
76#define GETLONG(l, cp) { \
77 (l) = *(cp)++ << 8; \
78 (l) |= *(cp)++; (l) <<= 8; \
79 (l) |= *(cp)++; (l) <<= 8; \
80 (l) |= *(cp)++; \
81}
82#define PUTLONG(l, cp) { \
83 *(cp)++ = (l) >> 24; \
84 *(cp)++ = (l) >> 16; \
85 *(cp)++ = (l) >> 8; \
86 *(cp)++ = (l); \
87}
88
89#define INCPTR(n, cp) ((cp) += (n))
90#define DECPTR(n, cp) ((cp) -= (n))
91
92/*
93 * System dependent definitions for user-level 4.3BSD UNIX implementation.
94 */
95
96#define DEMUXPROTREJ(u, p) demuxprotrej(u, p)
97
98#define TIMEOUT(r, f, t) timeout((r), (f), (t))
99#define UNTIMEOUT(r, f) untimeout((r), (f))
100
101#define BCOPY(s, d, l) bcopy(s, d, l)
102#define EXIT(u) quit()
103
104#define GETUSERPASSWD(u)
105#define LOGIN(n, u, ul, p, pl, m, ml) login(u, ul, p, pl, m, ml);
106#define LOGOUT(n) logout()
107#define GETSECRET(n, s, sl) get_secret(n, s, sl)
108#define PRINTMSG(m, l) { m[l] = '\0'; syslog(LOG_INFO, "Remote message: %s", m); }
109
110/*
111 * return a pointer to the beginning of the data part of a packet.
112 */
113
114#define PACKET_DATA(p) (p + DLLHEADERLEN)
115
116/*
117 * MAKEHEADER - Add Header fields to a packet. (Should we do
118 * AC compression here?)
119 */
120#define MAKEHEADER(p, t) { \
121 PUTCHAR(ALLSTATIONS, p); \
122 PUTCHAR(UI, p); \
123 PUTSHORT(t, p); }
124
125/*
126 * SIFASYNCMAP - Config the interface async map.
127 */
128#ifdef STREAMS
129#define SIFASYNCMAP(u, a) { \
130 u_long x = a; \
131 if(ioctl(fd, SIOCSIFASYNCMAP, (caddr_t) &x) < 0) { \
132 syslog(LOG_ERR, "ioctl(SIOCSIFASYNCMAP): %m"); \
133 } }
134#else
135#define SIFASYNCMAP(u, a) { \
136 u_long x = a; \
137 if (ioctl(fd, PPPIOCSASYNCMAP, (caddr_t) &x) < 0) { \
138 syslog(LOG_ERR, "ioctl(PPPIOCSASYNCMAP): %m"); \
139 quit(); \
140 } }
141#endif
142
143/*
144 * SIFPCOMPRESSION - Config the interface for protocol compression.
145 */
146#ifdef STREAMS
147#define SIFPCOMPRESSION(u) { \
148 char c = 1; \
149 if(ioctl(fd, SIOCSIFCOMPPROT, &c) < 0) { \
150 syslog(LOG_ERR, "ioctl(SIOCSIFCOMPPROT): %m"); \
151 }}
152#else
153#define SIFPCOMPRESSION(u) { \
154 u_int x; \
155 if (ioctl(fd, PPPIOCGFLAGS, (caddr_t) &x) < 0) { \
156 syslog(LOG_ERR, "ioctl (PPPIOCGFLAGS): %m"); \
157 quit(); \
158 } \
159 x |= SC_COMP_PROT; \
160 if (ioctl(fd, PPPIOCSFLAGS, (caddr_t) &x) < 0) { \
161 syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %m"); \
162 quit(); \
163 } }
164#endif
165
166/*
167 * CIFPCOMPRESSION - Config the interface for no protocol compression.
168 */
169#ifdef STREAMS
170#define CIFPCOMPRESSION(u) { \
171 char c = 0; \
172 if(ioctl(fd, SIOCSIFCOMPPROT, &c) < 0) { \
173 syslog(LOG_ERR, "ioctl(SIOCSIFCOMPPROT): %m"); \
174 quit(); \
175 }}
176#else
177#define CIFPCOMPRESSION(u) { \
178 u_int x; \
179 if (ioctl(fd, PPPIOCGFLAGS, (caddr_t) &x) < 0) { \
180 syslog(LOG_ERR, "ioctl(PPPIOCGFLAGS): %m"); \
181 quit(); \
182 } \
183 x &= ~SC_COMP_PROT; \
184 if (ioctl(fd, PPPIOCSFLAGS, (caddr_t) &x) < 0) { \
185 syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %m"); \
186 quit(); \
187 } }
188#endif
189
190/*
191 * SIFACCOMPRESSION - Config the interface for address/control compression.
192 */
193#ifdef STREAMS
194#define SIFACCOMPRESSION(u) { \
195 char c = 1; \
196 if(ioctl(fd, SIOCSIFCOMPAC, &c) < 0) { \
197 syslog(LOG_ERR, "ioctl(SIOCSIFCOMPAC): %m"); \
198 quit(); \
199 }}
200#else
201#define SIFACCOMPRESSION(u) { \
202 u_int x; \
203 if (ioctl(fd, PPPIOCGFLAGS, (caddr_t) &x) < 0) { \
204 syslog(LOG_ERR, "ioctl (PPPIOCGFLAGS): %m"); \
205 quit(); \
206 } \
207 x |= SC_COMP_AC; \
208 if (ioctl(fd, PPPIOCSFLAGS, (caddr_t) &x) < 0) { \
209 syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %m"); \
210 quit(); \
211 } }
212#endif
213
214/*
215 * CIFACCOMPRESSION - Config the interface for no address/control compression.
216 */
217#ifdef STREAMS
218#define CIFACCOMPRESSION(u) { \
219 char c = 0; \
220 if(ioctl(fd, SIOCSIFCOMPAC, &c) < 0) { \
221 syslog(LOG_ERR, "ioctl(SIOCSIFCOMPAC): %m"); \
222 quit(); \
223 }}
224#else
225#define CIFACCOMPRESSION(u) { \
226 u_int x; \
227 if (ioctl(fd, PPPIOCGFLAGS, (caddr_t) &x) < 0) { \
228 syslog(LOG_ERR, "ioctl (PPPIOCGFLAGS): %m"); \
229 quit(); \
230 } \
231 x &= ~SC_COMP_AC; \
232 if (ioctl(fd, PPPIOCSFLAGS, (caddr_t) &x) < 0) { \
233 syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %m"); \
234 quit(); \
235 } }
236#endif
237
238/*
239 * SIFVJCOMP - config tcp header compression
240 */
241#ifdef STREAMS
242#define SIFVJCOMP(u, a) { \
243 char x = a; \
244 if (debug) syslog(LOG_DEBUG, "SIFVJCOMP unit %d to value %d\n",u,x); \
245 if(ioctl(fd, SIOCSIFVJCOMP, (caddr_t) &x) < 0) { \
246 syslog(LOG_ERR, "ioctl(SIOCSIFVJCOMP): %m"); \
247 quit(); \
248 } \
249}
250#else
251#define SIFVJCOMP(u, a) { \
252 u_int x; \
253 if (debug) \
254 syslog(LOG_DEBUG, "PPPIOCSFLAGS unit %d set %s\n",u,a?"on":"off"); \
255 if (ioctl(fd, PPPIOCGFLAGS, (caddr_t) &x) < 0) { \
256 syslog(LOG_ERR, "ioctl (PPPIOCGFLAGS): %m"); \
257 quit(); \
258 } \
259 x = (x & ~SC_COMP_TCP) | ((a) ? SC_COMP_TCP : 0); \
260 if(ioctl(fd, PPPIOCSFLAGS, (caddr_t) &x) < 0) { \
261 syslog(LOG_ERR, "ioctl(PPPIOCSFLAGS): %m"); \
262 quit(); \
263 } }
264#endif
265
266/*
267 * SIFUP - Config the interface up.
268 */
269#define SIFUP(u) { \
270 struct ifreq ifr; \
271 strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name)); \
272 if (ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) { \
273 syslog(LOG_ERR, "ioctl (SIOCGIFFLAGS): %m"); \
274 quit(); \
275 } \
276 ifr.ifr_flags |= IFF_UP; \
277 if (ioctl(s, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) { \
278 syslog(LOG_ERR, "ioctl(SIOCSIFFLAGS): %m"); \
279 quit(); \
280 } }
281
282/*
283 * SIFDOWN - Config the interface down.
284 */
285#define SIFDOWN(u) { \
286 struct ifreq ifr; \
287 strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name)); \
288 if (ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) { \
289 syslog(LOG_ERR, "ioctl (SIOCGIFFLAGS): %m"); \
290 quit(); \
291 } \
292 ifr.ifr_flags &= ~IFF_UP; \
293 if (ioctl(s, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) { \
294 syslog(LOG_ERR, "ioctl(SIOCSIFFLAGS): %m"); \
295 quit(); \
296 } }
297
298/*
299 * SIFMTU - Config the interface MTU.
300 */
301#define SIFMTU(u, m) { \
302 struct ifreq ifr; \
303 strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name)); \
304 ifr.ifr_mtu = m; \
305 if (ioctl(s, SIOCSIFMTU, (caddr_t) &ifr) < 0) { \
306 syslog(LOG_ERR, "ioctl(SIOCSIFMTU): %m"); \
307 quit(); \
308 } }
309
310
311#ifdef __386BSD__ /* BSD >= 44 ? */
312#define SET_SA_FAMILY(addr, family) \
313 bzero((char *) &(addr), sizeof(addr)); \
314 addr.sa_family = (family); \
315 addr.sa_len = sizeof(addr);
316#else
317#define SET_SA_FAMILY(addr, family) \
318 bzero((char *) &(addr), sizeof(addr)); \
319 addr.sa_family = (family);
320#endif
321
322/*
323 * SIFADDR - Config the interface IP addresses.
324 */
325#define SIFADDR(u, o, h) { \
326 struct ifreq ifr; \
327 strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name)); \
328 SET_SA_FAMILY(ifr.ifr_addr, AF_INET); \
329 ((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr = o; \
330 if (ioctl(s, SIOCSIFADDR, (caddr_t) &ifr) < 0) { \
331 syslog(LOG_ERR, "ioctl(SIOCSIFADDR): %m"); \
332 } \
333 ((struct sockaddr_in *) &ifr.ifr_dstaddr)->sin_addr.s_addr = h; \
334 if (ioctl(s, SIOCSIFDSTADDR, (caddr_t) &ifr) < 0) { \
335 syslog(LOG_ERR, "ioctl(SIOCSIFDSTADDR): %m"); \
336 quit(); \
337 } }
338
339/*
340 * CIFADDR - Clear the interface IP addresses.
341 */
342#if BSD > 43
343#define CIFADDR(u, o, h) { \
344 struct ortentry rt; \
345 SET_SA_FAMILY(rt.rt_dst, AF_INET); \
346 ((struct sockaddr_in *) &rt.rt_dst)->sin_addr.s_addr = h; \
347 SET_SA_FAMILY(rt.rt_gateway, AF_INET); \
348 ((struct sockaddr_in *) &rt.rt_gateway)->sin_addr.s_addr = o; \
349 rt.rt_flags |= RTF_HOST; \
350 syslog(LOG_INFO, "Deleting host route from %s to %s\n", \
351 ip_ntoa(h), ip_ntoa(o)); \
352 if (ioctl(s, SIOCDELRT, (caddr_t) &rt) < 0) { \
353 syslog(LOG_ERR, "ioctl(SIOCDELRT): %m"); \
354 } }
355#else
356#define CIFADDR(u, o, h) { \
357 struct rtentry rt; \
358 SET_SA_FAMILY(rt.rt_dst, AF_INET); \
359 ((struct sockaddr_in *) &rt.rt_dst)->sin_addr.s_addr = h; \
360 SET_SA_FAMILY(rt.rt_gateway, AF_INET); \
361 ((struct sockaddr_in *) &rt.rt_gateway)->sin_addr.s_addr = o; \
362 rt.rt_flags |= RTF_HOST; \
363 syslog(LOG_INFO, "Deleting host route from %s to %s\n", \
364 ip_ntoa(h), ip_ntoa(o)); \
365 if (ioctl(s, SIOCDELRT, (caddr_t) &rt) < 0) { \
366 syslog(LOG_ERR, "ioctl(SIOCDELRT): %m"); \
367 } }
368#endif
369
370/*
371 * SIFMASK - Config the interface net mask
372 */
373#define SIFMASK(u, m) { \
374 struct ifreq ifr; \
375 strncpy(ifr.ifr_name, ifname, sizeof (ifr.ifr_name)); \
376 SET_SA_FAMILY(ifr.ifr_addr, AF_INET); \
377 ((struct sockaddr_in *) &ifr.ifr_addr)->sin_addr.s_addr = m; \
378 syslog(LOG_INFO, "Setting interface mask to %s\n", ip_ntoa(m)); \
379 if (ioctl(s, SIOCSIFNETMASK, (caddr_t) &ifr) < 0) { \
380 syslog(LOG_ERR, "ioctl(SIOCSIFADDR): %m"); \
381 } }
382
383#ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
384#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUG) \
385 || defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
386 || defined(DEBUGCHAP)
387#define LOG_PPP LOG_LOCAL2
388#else
389#define LOG_PPP LOG_DAEMON
390#endif
391#endif /* LOG_PPP */
392
393#ifdef DEBUGMAIN
394#define MAINDEBUG(x) if (debug) syslog x;
395#else
396#define MAINDEBUG(x)
397#endif
398
399#ifdef DEBUGFSM
400#define FSMDEBUG(x) if (debug) syslog x;
401#else
402#define FSMDEBUG(x)
403#endif
404
405#ifdef DEBUGLCP
406#define LCPDEBUG(x) if (debug) syslog x;
407#else
408#define LCPDEBUG(x)
409#endif
410
411#ifdef DEBUGIPCP
412#define IPCPDEBUG(x) if (debug) syslog x;
413#else
414#define IPCPDEBUG(x)
415#endif
416
417#ifdef DEBUGUPAP
418#define UPAPDEBUG(x) if (debug) syslog x;
419#else
420#define UPAPDEBUG(x)
421#endif
422
423#ifdef DEBUGCHAP
424#define CHAPDEBUG(x) if (debug) syslog x;
425#else
426#define CHAPDEBUG(x)
427#endif
428
429#ifndef SIGTYPE
430#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
431#define SIGTYPE void
432#else
433#define SIGTYPE int
434#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
435#endif /* SIGTYPE */
436#endif /* __PPP_H__ */
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.