1/* $FreeBSD: head/sys/contrib/ipfilter/netinet/ip_compat.h 145522 2005-04-25 18:43:14Z darrenr $ */
2
3/*
4 * Copyright (C) 1993-2001, 2003 by Darren Reed.
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 *
8 * @(#)ip_compat.h 1.8 1/14/96
9 * $FreeBSD: head/sys/contrib/ipfilter/netinet/ip_compat.h 145522 2005-04-25 18:43:14Z darrenr $
10 * Id: ip_compat.h,v 2.142.2.25 2005/03/28 09:33:36 darrenr Exp
11 */
12
13#ifndef __IP_COMPAT_H__
14#define __IP_COMPAT_H__
15
16#ifndef __P
17# ifdef __STDC__
18# define __P(x) x
19# else
20# define __P(x) ()
21# endif
22#endif
23#ifndef __STDC__
24# undef const
25# define const
26#endif
27
28#if defined(_KERNEL) || defined(KERNEL) || defined(__KERNEL__)
29# undef KERNEL
30# undef _KERNEL
31# undef __KERNEL__
32# define KERNEL
33# define _KERNEL
34# define __KERNEL__
35#endif
36
37#ifndef SOLARIS
38#define SOLARIS (defined(sun) && (defined(__svr4__) || defined(__SVR4)))
39#endif
40#if SOLARIS2 >= 8
41# ifndef USE_INET6
42# define USE_INET6
43# endif
44#endif
45#if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000) && \
46 !defined(_KERNEL) && !defined(USE_INET6) && !defined(NOINET6)
47# define USE_INET6
48#endif
49#if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105000000) && \
50 !defined(_KERNEL) && !defined(USE_INET6)
51# define USE_INET6
52# define IPFILTER_M_IPFILTER
53#endif
54#if defined(OpenBSD) && (OpenBSD >= 200206) && \
55 !defined(_KERNEL) && !defined(USE_INET6)
56# define USE_INET6
57#endif
58#if defined(__osf__)
59# define USE_INET6
60#endif
61#if defined(linux) && (!defined(_KERNEL) || defined(CONFIG_IPV6))
62# define USE_INET6
63#endif
64#if defined(HPUXREV) && (HPUXREV >= 1111)
65# define USE_INET6
66#endif
67
68#if defined(BSD) && (BSD < 199103) && defined(__osf__)
69# undef BSD
70# define BSD 199103
71#endif
72
73#if defined(__SVR4) || defined(__svr4__) || defined(__sgi)
74# define index strchr
75# if !defined(_KERNEL)
76# define bzero(a,b) memset(a,0,b)
77# define bcmp memcmp
78# define bcopy(a,b,c) memmove(b,a,c)
79# endif
80#endif
81
82#ifndef LIFNAMSIZ
83# ifdef IF_NAMESIZE
84# define LIFNAMSIZ IF_NAMESIZE
85# else
86# ifdef IFNAMSIZ
87# define LIFNAMSIZ IFNAMSIZ
88# else
89# define LIFNAMSIZ 16
90# endif
91# endif
92#endif
93
94#if defined(__sgi) || defined(bsdi) || defined(__hpux) || defined(hpux)
95struct ether_addr {
96 u_char ether_addr_octet[6];
97};
98#endif
99
100#if defined(__sgi) && !defined(IPFILTER_LKM)
101# ifdef __STDC__
102# define IPL_EXTERN(ep) ipfilter##ep
103# else
104# define IPL_EXTERN(ep) ipfilter/**/ep
105# endif
106#else
107# ifdef __STDC__
108# define IPL_EXTERN(ep) ipl##ep
109# else
110# define IPL_EXTERN(ep) ipl/**/ep
111# endif
112#endif
113
114/*
115 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD.
116 */
117#ifndef linux
118# ifndef _KERNEL
119# define ADD_KERNEL
120# define _KERNEL
121# define KERNEL
122# endif
123# ifdef __OpenBSD__
124struct file;
125# endif
126# include <sys/uio.h>
127# ifdef ADD_KERNEL
128# undef _KERNEL
129# undef KERNEL
130# endif
131#endif
132
133
134/* ----------------------------------------------------------------------- */
135/* S O L A R I S */
136/* ----------------------------------------------------------------------- */
137#if SOLARIS
138# define MENTAT 1
139# include <sys/cmn_err.h>
140# include <sys/isa_defs.h>
141# include <sys/stream.h>
142# include <sys/ioccom.h>
143# include <sys/sysmacros.h>
144# include <sys/kmem.h>
145# if SOLARIS2 >= 10
146# include <sys/procset.h>
147# include <sys/proc.h>
148# include <sys/devops.h>
149# include <sys/ddi_impldefs.h>
150# endif
151/*
152 * because Solaris 2 defines these in two places :-/
153 */
154# ifndef KERNEL
155# define _KERNEL
156# undef RES_INIT
157# endif /* _KERNEL */
158
159# if SOLARIS2 >= 8
160# include <netinet/ip6.h>
161# include <netinet/icmp6.h>
162# endif
163
164# include <inet/common.h>
165/* These 5 are defined in <inet/ip.h> and <netinet/ip.h> */
166# undef IPOPT_EOL
167# undef IPOPT_NOP
168# undef IPOPT_LSRR
169# undef IPOPT_RR
170# undef IPOPT_SSRR
171# ifdef i386
172# define _SYS_PROMIF_H
173# endif
174# include <inet/ip.h>
175# undef COPYOUT
176# include <inet/ip_ire.h>
177# ifndef KERNEL
178# undef _KERNEL
179# endif
180# if SOLARIS2 >= 8
181# define SNPRINTF snprintf
182
183# include <inet/ip_if.h>
184# define ipif_local_addr ipif_lcl_addr
185/* Only defined in private include file */
186# ifndef V4_PART_OF_V6
187# define V4_PART_OF_V6(v6) v6.s6_addr32[3]
188# endif
189struct ip6_ext {
190 u_char ip6e_nxt;
191 u_char ip6e_len;
192};
193# endif /* SOLARIS2 >= 8 */
194
195# if SOLARIS2 >= 6
196# include <sys/atomic.h>
197typedef uint32_t u_32_t;
198# else
199typedef unsigned int u_32_t;
200# endif
201# define U_32_T 1
202
203# ifdef _KERNEL
204# define KRWLOCK_T krwlock_t
205# define KMUTEX_T kmutex_t
206# include "qif.h"
207# include "pfil.h"
208# if SOLARIS2 >= 6
209# if SOLARIS2 == 6
210# define ATOMIC_INCL(x) atomic_add_long((uint32_t*)&(x), 1)
211# define ATOMIC_DECL(x) atomic_add_long((uint32_t*)&(x), -1)
212# else
213# define ATOMIC_INCL(x) atomic_add_long(&(x), 1)
214# define ATOMIC_DECL(x) atomic_add_long(&(x), -1)
215# endif /* SOLARIS2 == 6 */
216# define ATOMIC_INC64(x) atomic_add_64((uint64_t*)&(x), 1)
217# define ATOMIC_INC32(x) atomic_add_32((uint32_t*)&(x), 1)
218# define ATOMIC_INC16(x) atomic_add_16((uint16_t*)&(x), 1)
219# define ATOMIC_DEC64(x) atomic_add_64((uint64_t*)&(x), -1)
220# define ATOMIC_DEC32(x) atomic_add_32((uint32_t*)&(x), -1)
221# define ATOMIC_DEC16(x) atomic_add_16((uint16_t*)&(x), -1)
222# else
223# define ATOMIC_INC(x) { mutex_enter(&ipf_rw); (x)++; \
224 mutex_exit(&ipf_rw); }
225# define ATOMIC_DEC(x) { mutex_enter(&ipf_rw); (x)--; \
226 mutex_exit(&ipf_rw); }
227# endif /* SOLARIS2 >= 6 */
228# define USE_MUTEXES
229# define MUTEX_ENTER(x) mutex_enter(&(x)->ipf_lk)
230# define READ_ENTER(x) rw_enter(&(x)->ipf_lk, RW_READER)
231# define WRITE_ENTER(x) rw_enter(&(x)->ipf_lk, RW_WRITER)
232# define MUTEX_DOWNGRADE(x) rw_downgrade(&(x)->ipf_lk)
233# define RWLOCK_INIT(x, y) rw_init(&(x)->ipf_lk, (y), \
234 RW_DRIVER, NULL)
235# define RWLOCK_EXIT(x) rw_exit(&(x)->ipf_lk)
236# define RW_DESTROY(x) rw_destroy(&(x)->ipf_lk)
237# define MUTEX_INIT(x, y) mutex_init(&(x)->ipf_lk, (y), \
238 MUTEX_DRIVER, NULL)
239# define MUTEX_DESTROY(x) mutex_destroy(&(x)->ipf_lk)
240# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
241# define MUTEX_EXIT(x) mutex_exit(&(x)->ipf_lk)
242# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
243# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
244# define BCOPYIN(a,b,c) (void) copyin((caddr_t)(a), (caddr_t)(b), (c))
245# define BCOPYOUT(a,b,c) (void) copyout((caddr_t)(a), (caddr_t)(b), (c))
246# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
247# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
248# define KFREES(x,s) kmem_free((char *)(x), (s))
249# define SPL_NET(x) ;
250# define SPL_IMP(x) ;
251# undef SPL_X
252# define SPL_X(x) ;
253# ifdef sparc
254# define ntohs(x) (x)
255# define ntohl(x) (x)
256# define htons(x) (x)
257# define htonl(x) (x)
258# endif /* sparc */
259# define KMALLOC(a,b) (a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
260# define KMALLOCS(a,b,c) (a) = (b)kmem_alloc((c), KM_NOSLEEP)
261# define GET_MINOR(x) getminor(x)
262extern void *get_unit __P((char *, int));
263# define GETIFP(n, v) get_unit(n, v)
264# define IFNAME(x) ((qif_t *)x)->qf_name
265# define COPYIFNAME(x, b) \
266 (void) strncpy(b, ((qif_t *)x)->qf_name, \
267 LIFNAMSIZ)
268# define GETKTIME(x) uniqtime((struct timeval *)x)
269# define MSGDSIZE(x) msgdsize(x)
270# define M_LEN(x) ((x)->b_wptr - (x)->b_rptr)
271# define M_DUPLICATE(x) dupmsg((x))
272# define MTOD(m,t) ((t)((m)->b_rptr))
273# define MTYPE(m) ((m)->b_datap->db_type)
274# define FREE_MB_T(m) freemsg(m)
275# define m_next b_cont
276# define CACHE_HASH(x) (((qpktinfo_t *)(x)->fin_qpi)->qpi_num & 7)
277# define IPF_PANIC(x,y) if (x) { printf y; cmn_err(CE_PANIC, "ipf_panic"); }
278typedef mblk_t mb_t;
279# endif /* _KERNEL */
280
281# if (SOLARIS2 >= 7)
282# ifdef lint
283# define ALIGN32(ptr) (ptr ? 0L : 0L)
284# define ALIGN16(ptr) (ptr ? 0L : 0L)
285# else
286# define ALIGN32(ptr) (ptr)
287# define ALIGN16(ptr) (ptr)
288# endif
289# endif
290
291# if SOLARIS2 < 6
292typedef struct uio uio_t;
293# endif
294typedef int ioctlcmd_t;
295
296# define OS_RECOGNISED 1
297
298#endif /* SOLARIS */
299
300/* ----------------------------------------------------------------------- */
301/* H P U X */
302/* ----------------------------------------------------------------------- */
303#ifdef __hpux
304# define MENTAT 1
305# include <sys/sysmacros.h>
306# include <sys/spinlock.h>
307# include <sys/lock.h>
308# include <sys/stream.h>
309# ifdef USE_INET6
310# include <netinet/if_ether.h>
311# include <netinet/ip6.h>
312# include <netinet/icmp6.h>
313typedef struct ip6_hdr ip6_t;
314# endif
315
316# ifdef _KERNEL
317# define SNPRINTF sprintf
318# if (HPUXREV >= 1111)
319# define IPL_SELECT
320# ifdef IPL_SELECT
321# include <machine/sys/user.h>
322# include <sys/kthread_iface.h>
323# define READ_COLLISION 0x01
324
325typedef struct iplog_select_s {
326 kthread_t *read_waiter;
327 int state;
328} iplog_select_t;
329# endif
330# endif
331
332# define GETKTIME(x) uniqtime((struct timeval *)x)
333
334# if HPUXREV == 1111
335# include "kern_svcs.h"
336# else
337# include <sys/kern_svcs.h>
338# endif
339# undef ti_flags
340# undef TCP_NODELAY
341# undef TCP_MAXSEG
342# include <sys/reg.h>
343# include "../netinet/ip_info.h"
344/*
345 * According to /usr/include/sys/spinlock.h on HP-UX 11.00, these functions
346 * are available. Attempting to use them actually results in unresolved
347 * symbols when it comes time to load the module.
348 * This has been fixed! Yipee!
349 */
350# if 1
351# ifdef __LP64__
352# define ATOMIC_INCL(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), 1)
353# define ATOMIC_DECL(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), -1)
354# else
355# define ATOMIC_INCL(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), 1)
356# define ATOMIC_DECL(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), -1)
357# endif
358# define ATOMIC_INC64(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), 1)
359# define ATOMIC_INC32(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), 1)
360# define ATOMIC_INC16(x) lock_and_incr_int16(&ipf_rw.ipf_lk, &(x), 1)
361# define ATOMIC_DEC64(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), -1)
362# define ATOMIC_DEC32(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), -1)
363# define ATOMIC_DEC16(x) lock_and_incr_int16(&ipf_rw.ipf_lk, &(x), -1)
364# else /* 0 */
365# define ATOMIC_INC64(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
366 MUTEX_EXIT(&ipf_rw); }
367# define ATOMIC_DEC64(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
368 MUTEX_EXIT(&ipf_rw); }
369# define ATOMIC_INC32(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
370 MUTEX_EXIT(&ipf_rw); }
371# define ATOMIC_DEC32(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
372 MUTEX_EXIT(&ipf_rw); }
373# define ATOMIC_INCL(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
374 MUTEX_EXIT(&ipf_rw); }
375# define ATOMIC_DECL(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
376 MUTEX_EXIT(&ipf_rw); }
377# define ATOMIC_INC(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
378 MUTEX_EXIT(&ipf_rw); }
379# define ATOMIC_DEC(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
380 MUTEX_EXIT(&ipf_rw); }
381# endif
382# define ip_cksum ip_csuma
383# define memcpy(a,b,c) bcopy((caddr_t)b, (caddr_t)a, c)
384# define USE_MUTEXES
385# define MUTEX_INIT(x, y) initlock(&(x)->ipf_lk, 0, 0, (y))
386# define MUTEX_ENTER(x) spinlock(&(x)->ipf_lk)
387# define MUTEX_EXIT(x) spinunlock(&(x)->ipf_lk);
388# define MUTEX_DESTROY(x)
389# define MUTEX_NUKE(x) bzero((char *)(x), sizeof(*(x)))
390# define KMUTEX_T lock_t
391# define kmutex_t lock_t /* for pfil.h */
392# define krwlock_t lock_t /* for pfil.h */
393/*
394 * The read-write lock implementation in HP-UX 11.0 is crippled - it can
395 * only be used by threads working in a user context!
396 * This has been fixed! Yipee! (Or at least it does in 11.00, not 11.11..)
397 */
398# if HPUXREV < 1111
399# define MUTEX_DOWNGRADE(x) lock_write_to_read(x)
400# define KRWLOCK_T struct rw_lock
401# define READ_ENTER(x) lock_read(&(x)->ipf_lk)
402# define WRITE_ENTER(x) lock_write(&(x)->ipf_lk)
403# if HPUXREV >= 1111
404# define RWLOCK_INIT(x, y) rwlock_init4(&(x)->ipf_lk, 0, RWLCK_CANSLEEP, 0, y)
405# else
406# define RWLOCK_INIT(x, y) lock_init3(&(x)->ipf_lk, 0, 1, 0, 0, y)
407# endif
408# define RWLOCK_EXIT(x) lock_done(&(x)->ipf_lk)
409# else
410# define KRWLOCK_T lock_t
411# define KMUTEX_T lock_t
412# define READ_ENTER(x) MUTEX_ENTER(x)
413# define WRITE_ENTER(x) MUTEX_ENTER(x)
414# define MUTEX_DOWNGRADE(x)
415# define RWLOCK_INIT(x, y) initlock(&(x)->ipf_lk, 0, 0, y)
416# define RWLOCK_EXIT(x) MUTEX_EXIT(x)
417# endif
418# define RW_DESTROY(x)
419# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
420# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
421# if HPUXREV >= 1111
422# define BCOPYIN(a,b,c) 0; bcopy((caddr_t)(a), (caddr_t)(b), (c))
423# define BCOPYOUT(a,b,c) 0; bcopy((caddr_t)(a), (caddr_t)(b), (c))
424# else
425# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
426# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
427# endif
428# define SPL_NET(x) ;
429# define SPL_IMP(x) ;
430# undef SPL_X
431# define SPL_X(x) ;
432extern void *get_unit __P((char *, int));
433# define GETIFP(n, v) get_unit(n, v)
434# define IFNAME(x, b) ((ill_t *)x)->ill_name
435# define COPYIFNAME(x, b) \
436 (void) strncpy(b, ((qif_t *)x)->qf_name, \
437 LIFNAMSIZ)
438# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
439# define SLEEP(id, n) { lock_t *_l = get_sleep_lock((caddr_t)id); \
440 sleep(id, PZERO+1); \
441 spinunlock(_l); \
442 }
443# define WAKEUP(id,x) { lock_t *_l = get_sleep_lock((caddr_t)id); \
444 wakeup(id + x); \
445 spinunlock(_l); \
446 }
447# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), M_IOSYS, M_NOWAIT)
448# define KMALLOCS(a, b, c) MALLOC((a), b, (c), M_IOSYS, M_NOWAIT)
449# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
450# define KFREES(x,s) kmem_free((char *)(x), (s))
451# define MSGDSIZE(x) msgdsize(x)
452# define M_LEN(x) ((x)->b_wptr - (x)->b_rptr)
453# define M_DUPLICATE(x) dupmsg((x))
454# define MTOD(m,t) ((t)((m)->b_rptr))
455# define MTYPE(m) ((m)->b_datap->db_type)
456# define FREE_MB_T(m) freemsg(m)
457# define m_next b_cont
458# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
459typedef mblk_t mb_t;
460
461# define CACHE_HASH(x) (((qpktinfo_t *)(x)->fin_qpi)->qpi_num & 7)
462
463# include "qif.h"
464# include "pfil.h"
465
466# else /* _KERNEL */
467
468typedef unsigned char uchar_t;
469
470# ifndef _SYS_STREAM_INCLUDED
471typedef char * mblk_t;
472typedef void * queue_t;
473typedef u_long ulong;
474# endif
475# include <netinet/ip_info.h>
476
477# endif /* _KERNEL */
478
479# ifdef lint
480# define ALIGN32(ptr) (ptr ? 0L : 0L)
481# define ALIGN16(ptr) (ptr ? 0L : 0L)
482# else
483# define ALIGN32(ptr) (ptr)
484# define ALIGN16(ptr) (ptr)
485# endif
486
487typedef struct uio uio_t;
488typedef int ioctlcmd_t;
489typedef int minor_t;
490typedef unsigned int u_32_t;
491# define U_32_T 1
492
493# define OS_RECOGNISED 1
494
495#endif /* __hpux */
496
497/* ----------------------------------------------------------------------- */
498/* I R I X */
499/* ----------------------------------------------------------------------- */
500#ifdef __sgi
501# undef MENTAT
502# if IRIX < 60500
503typedef struct uio uio_t;
504# endif
505typedef int ioctlcmd_t;
506typedef u_int32_t u_32_t;
507# define U_32_T 1
508
509# ifdef INET6
510# define USE_INET6
511# endif
512
513# define hz HZ
514# include <sys/ksynch.h>
515# define IPF_LOCK_PL plhi
516# include <sys/sema.h>
517# undef kmutex_t
518typedef struct {
519 lock_t *l;
520 int pl;
521} kmutex_t;
522
523# ifdef MUTEX_INIT
524# define KMUTEX_T mutex_t
525# else
526# define KMUTEX_T kmutex_t
527# define KRWLOCK_T kmutex_t
528# endif
529
530# ifdef _KERNEL
531# define ATOMIC_INC(x) { MUTEX_ENTER(&ipf_rw); \
532 (x)++; MUTEX_EXIT(&ipf_rw); }
533# define ATOMIC_DEC(x) { MUTEX_ENTER(&ipf_rw); \
534 (x)--; MUTEX_EXIT(&ipf_rw); }
535# define USE_MUTEXES
536# ifdef MUTEX_INIT
537# include <sys/atomic_ops.h>
538# define ATOMIC_INCL(x) atomicAddUlong(&(x), 1)
539# define ATOMIC_INC64(x) atomicAddUint64(&(x), 1)
540# define ATOMIC_INC32(x) atomicAddUint(&(x), 1)
541# define ATOMIC_INC16 ATOMIC_INC
542# define ATOMIC_DECL(x) atomicAddUlong(&(x), -1)
543# define ATOMIC_DEC64(x) atomicAddUint64(&(x), -1)
544# define ATOMIC_DEC32(x) atomicAddUint(&(x), -1)
545# define ATOMIC_DEC16 ATOMIC_DEC
546# undef MUTEX_INIT
547# define MUTEX_INIT(x, y) mutex_init(&(x)->ipf_lk, \
548 MUTEX_DEFAULT, y)
549# undef MUTEX_ENTER
550# define MUTEX_ENTER(x) mutex_lock(&(x)->ipf_lk, 0)
551# undef MUTEX_EXIT
552# define MUTEX_EXIT(x) mutex_unlock(&(x)->ipf_lk)
553# undef MUTEX_DESTROY
554# define MUTEX_DESTROY(x) mutex_destroy(&(x)->ipf_lk)
555# define MUTEX_DOWNGRADE(x) mrdemote(&(x)->ipf_lk)
556# define KRWLOCK_T mrlock_t
557# define RWLOCK_INIT(x, y) mrinit(&(x)->ipf_lk, y)
558# undef RW_DESTROY
559# define RW_DESTROY(x) mrfree(&(x)->ipf_lk)
560# define READ_ENTER(x) RW_RDLOCK(&(x)->ipf_lk)
561# define WRITE_ENTER(x) RW_WRLOCK(&(x)->ipf_lk)
562# define RWLOCK_EXIT(x) RW_UNLOCK(&(x)->ipf_lk)
563# else
564# define READ_ENTER(x) MUTEX_ENTER(&(x)->ipf_lk)
565# define WRITE_ENTER(x) MUTEX_ENTER(&(x)->ipf_lk)
566# define MUTEX_DOWNGRADE(x) ;
567# define RWLOCK_EXIT(x) MUTEX_EXIT(&(x)->ipf_lk)
568# define MUTEX_EXIT(x) UNLOCK((x)->ipf_lk.l, (x)->ipf_lk.pl);
569# define MUTEX_INIT(x,y) (x)->ipf_lk.l = LOCK_ALLOC((uchar_t)-1, IPF_LOCK_PL, (lkinfo_t *)-1, KM_NOSLEEP)
570# define MUTEX_DESTROY(x) LOCK_DEALLOC((x)->ipf_lk.l)
571# define MUTEX_ENTER(x) (x)->ipf_lk.pl = LOCK((x)->ipf_lk.l, \
572 IPF_LOCK_PL);
573# endif
574# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
575# define FREE_MB_T(m) m_freem(m)
576# define MTOD(m,t) mtod(m,t)
577# define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
578# define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
579# define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
580# define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
581# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
582# define SLEEP(id, n) sleep((id), PZERO+1)
583# define WAKEUP(id,x) wakeup(id+x)
584# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
585# define KFREES(x,s) kmem_free((char *)(x), (s))
586# define GETIFP(n,v) ifunit(n)
587# include <sys/kmem.h>
588# include <sys/ddi.h>
589# define KMALLOC(a,b) (a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
590# define KMALLOCS(a,b,c) (a) = (b)kmem_alloc((c), KM_NOSLEEP)
591# define GET_MINOR(x) getminor(x)
592# define USE_SPL 1
593# define SPL_IMP(x) (x) = splimp()
594# define SPL_NET(x) (x) = splnet()
595# define SPL_X(x) (void) splx(x)
596extern void m_copydata __P((struct mbuf *, int, int, caddr_t));
597extern void m_copyback __P((struct mbuf *, int, int, caddr_t));
598# define MSGDSIZE(x) mbufchainlen(x)
599# define M_LEN(x) (x)->m_len
600# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
601# define GETKTIME(x) microtime((struct timeval *)x)
602# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
603 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
604# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
605typedef struct mbuf mb_t;
606# else
607# undef RW_DESTROY
608# undef MUTEX_INIT
609# undef MUTEX_DESTROY
610# endif /* _KERNEL */
611
612# define OS_RECOGNISED 1
613
614#endif /* __sgi */
615
616/* ----------------------------------------------------------------------- */
617/* T R U 6 4 */
618/* ----------------------------------------------------------------------- */
619#ifdef __osf__
620# undef MENTAT
621
622# include <kern/lock.h>
623# include <sys/sysmacros.h>
624
625# ifdef _KERNEL
626# define KMUTEX_T simple_lock_data_t
627# define KRWLOCK_T lock_data_t
628# include <net/net_globals.h>
629# define USE_MUTEXES
630# define READ_ENTER(x) lock_read(&(x)->ipf_lk)
631# define WRITE_ENTER(x) lock_write(&(x)->ipf_lk)
632# define MUTEX_DOWNGRADE(x) lock_write_to_read(&(x)->ipf_lk)
633# define RWLOCK_INIT(x, y) lock_init(&(x)->ipf_lk, TRUE)
634# define RWLOCK_EXIT(x) lock_done(&(x)->ipf_lk)
635# define RW_DESTROY(x) lock_terminate(&(x)->ipf_lk)
636# define MUTEX_ENTER(x) simple_lock(&(x)->ipf_lk)
637# define MUTEX_INIT(x, y) simple_lock_init(&(x)->ipf_lk)
638# define MUTEX_DESTROY(x) simple_lock_terminate(&(x)->ipf_lk)
639# define MUTEX_EXIT(x) simple_unlock(&(x)->ipf_lk)
640# define MUTEX_NUKE(x) bzero(x, sizeof(*(x)))
641# define ATOMIC_INC64(x) atomic_incq((uint64_t*)&(x))
642# define ATOMIC_DEC64(x) atomic_decq((uint64_t*)&(x))
643# define ATOMIC_INC32(x) atomic_incl((uint32_t*)&(x))
644# define ATOMIC_DEC32(x) atomic_decl((uint32_t*)&(x))
645# define ATOMIC_INC16(x) { simple_lock(&ipf_rw); (x)++; \
646 simple_unlock(&ipf_rw); }
647# define ATOMIC_DEC16(x) { simple_lock(&ipf_rw); (x)--; \
648 simple_unlock(&ipf_rw); }
649# define ATOMIC_INCL(x) atomic_incl((uint32_t*)&(x))
650# define ATOMIC_DECL(x) atomic_decl((uint32_t*)&(x))
651# define ATOMIC_INC(x) { simple_lock(&ipf_rw); (x)++; \
652 simple_unlock(&ipf_rw); }
653# define ATOMIC_DEC(x) { simple_lock(&ipf_rw); (x)--; \
654 simple_unlock(&ipf_rw); }
655# define SPL_NET(x) ;
656# define SPL_IMP(x) ;
657# undef SPL_X
658# define SPL_X(x) ;
659# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a, b, d)
660# define FREE_MB_T(m) m_freem(m)
661# define MTOD(m,t) mtod(m,t)
662# define GETIFP(n, v) ifunit(n)
663# define GET_MINOR getminor
664# define WAKEUP(id,x) wakeup(id + x)
665# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
666# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
667# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
668# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
669# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), M_PFILT, M_NOWAIT)
670# define KMALLOCS(a, b, c) MALLOC((a), b, (c), M_PFILT, \
671 ((c) > 4096) ? M_WAITOK : M_NOWAIT)
672# define KFREE(x) FREE((x), M_PFILT)
673# define KFREES(x,s) FREE((x), M_PFILT)
674# define MSGDSIZE(x) mbufchainlen(x)
675# define M_LEN(x) (x)->m_len
676# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
677# define GETKTIME(x) microtime((struct timeval *)x)
678# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
679 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
680# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
681typedef struct mbuf mb_t;
682# endif /* _KERNEL */
683
684# if (defined(_KERNEL) || defined(_NO_BITFIELDS) || (__STDC__ == 1))
685# define IP_V(x) ((x)->ip_vhl >> 4)
686# define IP_HL(x) ((x)->ip_vhl & 0xf)
687# define IP_V_A(x,y) (x)->ip_vhl |= (((y) << 4) & 0xf0)
688# define IP_HL_A(x,y) (x)->ip_vhl |= ((y) & 0xf)
689# define TCP_X2(x) ((x)->th_xoff & 0xf)
690# define TCP_X2_A(x,y) (x)->th_xoff |= ((y) & 0xf)
691# define TCP_OFF(x) ((x)->th_xoff >> 4)
692# define TCP_OFF_A(x,y) (x)->th_xoff |= (((y) << 4) & 0xf0)
693# endif
694
695/*
696 * These are from's Solaris' #defines for little endian.
697 */
698#define IP6F_MORE_FRAG 0x0100
699#define IP6F_RESERVED_MASK 0x0600
700#define IP6F_OFF_MASK 0xf8ff
701
702struct ip6_ext {
703 u_char ip6e_nxt;
704 u_char ip6e_len;
705};
706
707typedef int ioctlcmd_t;
708/*
709 * Really, any arch where sizeof(long) != sizeof(int).
710 */
711typedef unsigned int u_32_t;
712# define U_32_T 1
713
714# define OS_RECOGNISED 1
715#endif /* __osf__ */
716
717/* ----------------------------------------------------------------------- */
718/* N E T B S D */
719/* ----------------------------------------------------------------------- */
720#ifdef __NetBSD__
721# if defined(_KERNEL) && !defined(IPFILTER_LKM)
722# include "bpfilter.h"
723# if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 104110000)
724# include "opt_inet.h"
725# endif
726# ifdef INET6
727# define USE_INET6
728# endif
729# if (__NetBSD_Version__ >= 105000000)
730# define HAVE_M_PULLDOWN 1
731# endif
732# endif
733
734# ifdef _KERNEL
735# define MSGDSIZE(x) mbufchainlen(x)
736# define M_LEN(x) (x)->m_len
737# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
738# define GETKTIME(x) microtime((struct timeval *)x)
739# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
740# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
741# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
742# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
743# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
744typedef struct mbuf mb_t;
745# endif /* _KERNEL */
746# if (NetBSD <= 1991011) && (NetBSD >= 199606)
747# define IFNAME(x) ((struct ifnet *)x)->if_xname
748# define COPYIFNAME(x, b) \
749 (void) strncpy(b, \
750 ((struct ifnet *)x)->if_xname, \
751 LIFNAMSIZ)
752# define CACHE_HASH(x) ((((struct ifnet *)fin->fin_ifp)->if_index)&7)
753# else
754# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
755 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
756# endif
757
758typedef struct uio uio_t;
759typedef u_long ioctlcmd_t;
760typedef int minor_t;
761typedef u_int32_t u_32_t;
762# define U_32_T 1
763
764# define OS_RECOGNISED 1
765#endif /* __NetBSD__ */
766
767
768/* ----------------------------------------------------------------------- */
769/* F R E E B S D */
770/* ----------------------------------------------------------------------- */
771#ifdef __FreeBSD__
772# if defined(_KERNEL) && !defined(IPFILTER_LKM) && !defined(KLD_MODULE)
773# if (__FreeBSD_version >= 500000)
774# include "opt_bpf.h"
775# else
776# include "bpf.h"
777# endif
778# if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000)
779# include "opt_inet6.h"
780# endif
781# if defined(INET6) && !defined(USE_INET6)
782# define USE_INET6
783# endif
784# endif
785
786# if defined(_KERNEL)
787# if (__FreeBSD_version >= 400000)
788/*
789 * When #define'd, the 5.2.1 kernel panics when used with the ftp proxy.
790 * There may be other, safe, kernels but this is not extensively tested yet.
791 */
792# define HAVE_M_PULLDOWN
793# endif
794# if !defined(IPFILTER_LKM) && (__FreeBSD_version >= 300000)
795# include "opt_ipfilter.h"
796# endif
797# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
798# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
799# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
800# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
801
802# if (__FreeBSD_version >= 500043)
803# define NETBSD_PF
804# endif
805# endif /* _KERNEL */
806
807# if (__FreeBSD_version >= 500043)
808# include <sys/mutex.h>
809# include <sys/sx.h>
810/*
811 * Whilst the sx(9) locks on FreeBSD have the right semantics and interface
812 * for what we want to use them for, despite testing showing they work -
813 * with a WITNESS kernel, it generates LOR messages.
814 */
815# define KMUTEX_T struct mtx
816# if 1
817# define KRWLOCK_T struct mtx
818# else
819# define KRWLOCK_T struct sx
820# endif
821# endif
822
823# if (__FreeBSD_version >= 501113)
824# include <net/if_var.h>
825# define IFNAME(x) ((struct ifnet *)x)->if_xname
826# define COPYIFNAME(x, b) \
827 (void) strncpy(b, \
828 ((struct ifnet *)x)->if_xname, \
829 LIFNAMSIZ)
830# endif
831# if (__FreeBSD_version >= 500043)
832# define CACHE_HASH(x) ((((struct ifnet *)fin->fin_ifp)->if_index) & 7)
833# else
834# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
835 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
836# endif
837
838# ifdef _KERNEL
839# define GETKTIME(x) microtime((struct timeval *)x)
840
841# if (__FreeBSD_version >= 500002)
842# include <netinet/in_systm.h>
843# include <netinet/ip.h>
844# include <machine/in_cksum.h>
845# endif
846
847# if (__FreeBSD_version >= 500043)
848# define USE_MUTEXES
849# define MUTEX_ENTER(x) mtx_lock(&(x)->ipf_lk)
850# define MUTEX_EXIT(x) mtx_unlock(&(x)->ipf_lk)
851# define MUTEX_INIT(x,y) mtx_init(&(x)->ipf_lk, (y), NULL,\
852 MTX_DEF)
853# define MUTEX_DESTROY(x) mtx_destroy(&(x)->ipf_lk)
854# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
855/*
856 * Whilst the sx(9) locks on FreeBSD have the right semantics and interface
857 * for what we want to use them for, despite testing showing they work -
858 * with a WITNESS kernel, it generates LOR messages.
859 */
860# if 1
861# define READ_ENTER(x) mtx_lock(&(x)->ipf_lk)
862# define WRITE_ENTER(x) mtx_lock(&(x)->ipf_lk)
863# define RWLOCK_EXIT(x) mtx_unlock(&(x)->ipf_lk)
864# define MUTEX_DOWNGRADE(x) ;
865# define RWLOCK_INIT(x,y) mtx_init(&(x)->ipf_lk, (y), NULL,\
866 MTX_DEF)
867# define RW_DESTROY(x) mtx_destroy(&(x)->ipf_lk)
868# else
869# define READ_ENTER(x) sx_slock(&(x)->ipf_lk)
870# define WRITE_ENTER(x) sx_xlock(&(x)->ipf_lk)
871# define MUTEX_DOWNGRADE(x) sx_downgrade(&(x)->ipf_lk)
872# define RWLOCK_INIT(x, y) sx_init(&(x)->ipf_lk, (y))
873# define RW_DESTROY(x) sx_destroy(&(x)->ipf_lk)
874# ifdef sx_unlock
875# define RWLOCK_EXIT(x) sx_unlock(x)
876# else
877# define RWLOCK_EXIT(x) do { \
878 if ((x)->ipf_lk.sx_cnt < 0) \
879 sx_xunlock(&(x)->ipf_lk); \
880 else \
881 sx_sunlock(&(x)->ipf_lk); \
882 } while (0)
883# endif
884# endif
885# include <machine/atomic.h>
886# define ATOMIC_INC(x) { mtx_lock(&ipf_rw.ipf_lk); (x)++; \
887 mtx_unlock(&ipf_rw.ipf_lk); }
888# define ATOMIC_DEC(x) { mtx_lock(&ipf_rw.ipf_lk); (x)--; \
889 mtx_unlock(&ipf_rw.ipf_lk); }
890# define ATOMIC_INCL(x) atomic_add_long(&(x), 1)
891# define ATOMIC_INC64(x) ATOMIC_INC(x)
892# define ATOMIC_INC32(x) atomic_add_32(&(x), 1)
893# define ATOMIC_INC16(x) atomic_add_16(&(x), 1)
894# define ATOMIC_DECL(x) atomic_add_long(&(x), -1)
895# define ATOMIC_DEC64(x) ATOMIC_DEC(x)
896# define ATOMIC_DEC32(x) atomic_add_32(&(x), -1)
897# define ATOMIC_DEC16(x) atomic_add_16(&(x), -1)
898# define SPL_X(x) ;
899# define SPL_NET(x) ;
900# define SPL_IMP(x) ;
901extern int in_cksum __P((struct mbuf *, int));
902# endif /* __FreeBSD_version >= 500043 */
903# define MSGDSIZE(x) mbufchainlen(x)
904# define M_LEN(x) (x)->m_len
905# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
906# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
907typedef struct mbuf mb_t;
908# endif /* _KERNEL */
909
910# if __FreeBSD__ < 3
911# include <machine/spl.h>
912# else
913# if __FreeBSD__ == 3
914# if defined(IPFILTER_LKM) && !defined(ACTUALLY_LKM_NOT_KERNEL)
915# define ACTUALLY_LKM_NOT_KERNEL
916# endif
917# endif
918# endif
919
920# if (__FreeBSD_version >= 300000)
921typedef u_long ioctlcmd_t;
922# else
923typedef int ioctlcmd_t;
924# endif
925typedef struct uio uio_t;
926typedef int minor_t;
927typedef u_int32_t u_32_t;
928# define U_32_T 1
929
930# define OS_RECOGNISED 1
931#endif /* __FreeBSD__ */
932
933
934/* ----------------------------------------------------------------------- */
935/* O P E N B S D */
936/* ----------------------------------------------------------------------- */
937#ifdef __OpenBSD__
938# ifdef INET6
939# define USE_INET6
940# endif
941
942# ifdef _KERNEL
943# if !defined(IPFILTER_LKM)
944# include "bpfilter.h"
945# endif
946# if (OpenBSD >= 200311)
947# define SNPRINTF snprintf
948# if defined(USE_INET6)
949# include "netinet6/in6_var.h"
950# include "netinet6/nd6.h"
951# endif
952# endif
953# if (OpenBSD >= 200012)
954# define HAVE_M_PULLDOWN 1
955# endif
956# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
957# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
958# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
959# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
960# define GETKTIME(x) microtime((struct timeval *)x)
961# define MSGDSIZE(x) mbufchainlen(x)
962# define M_LEN(x) (x)->m_len
963# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
964# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
965typedef struct mbuf mb_t;
966# endif /* _KERNEL */
967# if (OpenBSD >= 199603)
968# define IFNAME(x, b) ((struct ifnet *)x)->if_xname
969# define COPYIFNAME(x, b) \
970 (void) strncpy(b, \
971 ((struct ifnet *)x)->if_xname, \
972 LIFNAMSIZ)
973# define CACHE_HASH(x) ((((struct ifnet *)fin->fin_ifp)->if_index)&7)
974# else
975# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
976 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
977# endif
978
979typedef struct uio uio_t;
980typedef u_long ioctlcmd_t;
981typedef int minor_t;
982typedef u_int32_t u_32_t;
983# define U_32_T 1
984
985# define OS_RECOGNISED 1
986#endif /* __OpenBSD__ */
987
988
989/* ----------------------------------------------------------------------- */
990/* B S D O S */
991/* ----------------------------------------------------------------------- */
992#ifdef _BSDI_VERSION
993# ifdef INET6
994# define USE_INET6
995# endif
996
997# ifdef _KERNEL
998# define GETKTIME(x) microtime((struct timeval *)x)
999# define MSGDSIZE(x) mbufchainlen(x)
1000# define M_LEN(x) (x)->m_len
1001# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
1002# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1003 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1004typedef struct mbuf mb_t;
1005# endif /* _KERNEL */
1006
1007# if (_BSDI_VERSION >= 199701)
1008typedef u_long ioctlcmd_t;
1009# else
1010typedef int ioctlcmd_t;
1011# endif
1012typedef u_int32_t u_32_t;
1013# define U_32_T 1
1014
1015#endif /* _BSDI_VERSION */
1016
1017
1018/* ----------------------------------------------------------------------- */
1019/* S U N O S 4 */
1020/* ----------------------------------------------------------------------- */
1021#if defined(sun) && !defined(OS_RECOGNISED) /* SunOS4 */
1022# ifdef _KERNEL
1023# include <sys/kmem_alloc.h>
1024# define GETKTIME(x) uniqtime((struct timeval *)x)
1025# define MSGDSIZE(x) mbufchainlen(x)
1026# define M_LEN(x) (x)->m_len
1027# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
1028# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1029 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1030# define GETIFP(n, v) ifunit(n, IFNAMSIZ)
1031# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
1032# define KFREES(x,s) kmem_free((char *)(x), (s))
1033# define SLEEP(id, n) sleep((id), PZERO+1)
1034# define WAKEUP(id,x) wakeup(id + x)
1035# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
1036# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
1037
1038extern void m_copydata __P((struct mbuf *, int, int, caddr_t));
1039extern void m_copyback __P((struct mbuf *, int, int, caddr_t));
1040
1041typedef struct mbuf mb_t;
1042# endif
1043
1044typedef struct uio uio_t;
1045typedef int ioctlcmd_t;
1046typedef int minor_t;
1047typedef unsigned int u_32_t;
1048# define U_32_T 1
1049
1050# define OS_RECOGNISED 1
1051
1052#endif /* SunOS 4 */
1053
1054/* ----------------------------------------------------------------------- */
1055/* L I N U X */
1056/* ----------------------------------------------------------------------- */
1057#if defined(linux) && !defined(OS_RECOGNISED)
1058#include <linux/config.h>
1059#include <linux/version.h>
1060# if LINUX >= 20600
1061# define HDR_T_PRIVATE 1
1062# endif
1063# undef USE_INET6
1064# ifdef USE_INET6
1065struct ip6_ext {
1066 u_char ip6e_nxt;
1067 u_char ip6e_len;
1068};
1069# endif
1070
1071# ifdef _KERNEL
1072# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
1073# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
1074# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
1075# define COPYIN(a,b,c) copy_from_user((caddr_t)(b), (caddr_t)(a), (c))
1076# define COPYOUT(a,b,c) copy_to_user((caddr_t)(b), (caddr_t)(a), (c))
1077# define FREE_MB_T(m) kfree_skb(m)
1078# define GETKTIME(x) do_gettimeofday((struct timeval *)x)
1079# define SLEEP(x,s) 0, interruptible_sleep_on(x##_linux)
1080# define WAKEUP(x,y) wake_up(x##_linux + y)
1081# define UIOMOVE(a,b,c,d) uiomove(a,b,c,d)
1082# define USE_MUTEXES
1083# define KRWLOCK_T rwlock_t
1084# define KMUTEX_T spinlock_t
1085# define MUTEX_INIT(x,y) spin_lock_init(&(x)->ipf_lk)
1086# define MUTEX_ENTER(x) spin_lock(&(x)->ipf_lk)
1087# define MUTEX_EXIT(x) spin_unlock(&(x)->ipf_lk)
1088# define MUTEX_DESTROY(x) do { } while (0)
1089# define MUTEX_NUKE(x) bzero(&(x)->ipf_lk, sizeof((x)->ipf_lk))
1090# define READ_ENTER(x) ipf_read_enter(x)
1091# define WRITE_ENTER(x) ipf_write_enter(x)
1092# define RWLOCK_INIT(x,y) rwlock_init(&(x)->ipf_lk)
1093# define RW_DESTROY(x) do { } while (0)
1094# define RWLOCK_EXIT(x) ipf_rw_exit(x)
1095# define MUTEX_DOWNGRADE(x) ipf_rw_downgrade(x)
1096# define ATOMIC_INCL(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1097 MUTEX_EXIT(&ipf_rw)
1098# define ATOMIC_DECL(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1099 MUTEX_EXIT(&ipf_rw)
1100# define ATOMIC_INC64(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1101 MUTEX_EXIT(&ipf_rw)
1102# define ATOMIC_INC32(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1103 MUTEX_EXIT(&ipf_rw)
1104# define ATOMIC_INC16(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1105 MUTEX_EXIT(&ipf_rw)
1106# define ATOMIC_DEC64(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1107 MUTEX_EXIT(&ipf_rw)
1108# define ATOMIC_DEC32(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1109 MUTEX_EXIT(&ipf_rw)
1110# define ATOMIC_DEC16(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1111 MUTEX_EXIT(&ipf_rw)
1112# define SPL_IMP(x) do { } while (0)
1113# define SPL_NET(x) do { } while (0)
1114# define SPL_X(x) do { } while (0)
1115# define IFNAME(x) ((struct net_device*)x)->name
1116# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1117 ((struct net_device *)fin->fin_ifp)->ifindex) & 7)
1118typedef struct sk_buff mb_t;
1119extern void m_copydata __P((mb_t *, int, int, caddr_t));
1120extern void m_copyback __P((mb_t *, int, int, caddr_t));
1121extern void m_adj __P((mb_t *, int));
1122extern mb_t *m_pullup __P((mb_t *, int));
1123# define mbuf sk_buff
1124
1125# define mtod(m, t) ((t)(m)->data)
1126# define m_len len
1127# define m_next next
1128# define M_DUPLICATE(m) skb_clone((m), in_interrupt() ? GFP_ATOMIC : \
1129 GFP_KERNEL)
1130# define MSGDSIZE(m) (m)->len
1131# define M_LEN(m) (m)->len
1132
1133# define splnet(x) ;
1134# define printf printk
1135# define bcopy(s,d,z) memmove(d, s, z)
1136# define bzero(s,z) memset(s, 0, z)
1137# define bcmp(a,b,z) memcmp(a, b, z)
1138
1139# define ifnet net_device
1140# define if_xname name
1141# define if_unit ifindex
1142
1143# define KMALLOC(x,t) (x) = (t)kmalloc(sizeof(*(x)), \
1144 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
1145# define KFREE(x) kfree(x)
1146# define KMALLOCS(x,t,s) (x) = (t)kmalloc((s), \
1147 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
1148# define KFREES(x,s) kfree(x)
1149
1150# define GETIFP(n,v) dev_get_by_name(n)
1151
1152# else
1153# include <net/ethernet.h>
1154
1155struct mbuf {
1156};
1157
1158# ifndef _NET_ROUTE_H
1159struct rtentry {
1160};
1161# endif
1162
1163struct ifnet {
1164 char if_xname[IFNAMSIZ];
1165 int if_unit;
1166 int (* if_output) __P((struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *));
1167 struct ifaddr *if_addrlist;
1168};
1169# define IFNAME(x) ((struct ifnet *)x)->if_xname
1170
1171# endif /* _KERNEL */
1172
1173# define COPYIFNAME(x, b) \
1174 (void) strncpy(b, \
1175 ((struct ifnet *)x)->if_xname, \
1176 LIFNAMSIZ)
1177
1178# include <linux/fs.h>
1179# define FWRITE FMODE_WRITE
1180# define FREAD FMODE_READ
1181
1182# define __USE_MISC 1
1183# define __FAVOR_BSD 1
1184
1185typedef struct uio {
1186 struct iovec *uio_iov;
1187 void *uio_file;
1188 char *uio_buf;
1189 int uio_iovcnt;
1190 int uio_offset;
1191 size_t uio_resid;
1192 int uio_rw;
1193} uio_t;
1194
1195extern int uiomove __P((caddr_t, size_t, int, struct uio *));
1196
1197# define UIO_READ 1
1198# define UIO_WRITE 2
1199
1200typedef u_long ioctlcmd_t;
1201typedef int minor_t;
1202typedef u_int32_t u_32_t;
1203# define U_32_T 1
1204
1205# define OS_RECOGNISED 1
1206
1207#endif
1208
1209
1210#ifndef OS_RECOGNISED
1211#error ip_compat.h does not recognise this platform/OS.
1212#endif
1213
1214
1215/* ----------------------------------------------------------------------- */
1216/* G E N E R I C */
1217/* ----------------------------------------------------------------------- */
1218#ifndef OS_RECOGNISED
1219#endif
1220
1221/*
1222 * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in
1223 * filter rules.
1224 */
1225#if !defined(IPFILTER_BPF) && ((NBPF > 0) || (NBPFILTER > 0))
1226# define IPFILTER_BPF
1227#endif
1228
1229/*
1230 * Userland locking primitives
1231 */
1232typedef struct {
1233 char *eMm_owner;
1234 char *eMm_heldin;
1235 u_int eMm_magic;
1236 int eMm_held;
1237 int eMm_heldat;
1238#ifdef __hpux
1239 char eMm_fill[8];
1240#endif
1241} eMmutex_t;
1242
1243typedef struct {
1244 char *eMrw_owner;
1245 char *eMrw_heldin;
1246 u_int eMrw_magic;
1247 short eMrw_read;
1248 short eMrw_write;
1249 int eMrw_heldat;
1250#ifdef __hpux
1251 char eMm_fill[24];
1252#endif
1253} eMrwlock_t;
1254
1255typedef union {
1256#ifdef KMUTEX_T
1257 struct {
1258 KMUTEX_T ipf_slk;
1259 char *ipf_lname;
1260 } ipf_lkun_s;
1261#endif
1262 eMmutex_t ipf_emu;
1263} ipfmutex_t;
1264
1265typedef union {
1266#ifdef KRWLOCK_T
1267 struct {
1268 KRWLOCK_T ipf_slk;
1269 char *ipf_lname;
1270 int ipf_sr;
1271 int ipf_sw;
1272 u_int ipf_magic;
1273 } ipf_lkun_s;
1274#endif
1275 eMrwlock_t ipf_emu;
1276} ipfrwlock_t;
1277
1278#define ipf_lk ipf_lkun_s.ipf_slk
1279#define ipf_lname ipf_lkun_s.ipf_lname
1280#define ipf_isr ipf_lkun_s.ipf_sr
1281#define ipf_isw ipf_lkun_s.ipf_sw
1282#define ipf_magic ipf_lkun_s.ipf_magic
1283
1284#if !defined(__GNUC__) || \
1285 (defined(__FreeBSD_version) && (__FreeBSD_version >= 503000))
1286# ifndef INLINE
1287# define INLINE
1288# endif
1289#else
1290# define INLINE __inline__
1291#endif
1292
1293#if defined(linux) && defined(_KERNEL)
1294extern INLINE void ipf_read_enter __P((ipfrwlock_t *));
1295extern INLINE void ipf_write_enter __P((ipfrwlock_t *));
1296extern INLINE void ipf_rw_exit __P((ipfrwlock_t *));
1297extern INLINE void ipf_rw_downgrade __P((ipfrwlock_t *));
1298#endif
1299
1300/*
1301 * In a non-kernel environment, there are a lot of macros that need to be
1302 * filled in to be null-ops or to point to some compatibility function,
1303 * somewhere in userland.
1304 */
1305#ifndef _KERNEL
1306typedef struct mb_s {
1307 struct mb_s *mb_next;
1308 int mb_len;
1309 u_long mb_buf[2048];
1310} mb_t;
1311# undef m_next
1312# define m_next mb_next
1313# define MSGDSIZE(x) (x)->mb_len /* XXX - from ipt.c */
1314# define M_LEN(x) (x)->mb_len
1315# define M_DUPLICATE(x) (x)
1316# define GETKTIME(x) gettimeofday((struct timeval *)(x), NULL)
1317# define MTOD(m, t) ((t)(m)->mb_buf)
1318# define FREE_MB_T(x)
1319# define SLEEP(x,y) 1;
1320# define WAKEUP(x,y) ;
1321# define IPF_PANIC(x,y) ;
1322# define PANIC(x,y) ;
1323# define SPL_NET(x) ;
1324# define SPL_IMP(x) ;
1325# define SPL_X(x) ;
1326# define KMALLOC(a,b) (a) = (b)malloc(sizeof(*a))
1327# define KMALLOCS(a,b,c) (a) = (b)malloc(c)
1328# define KFREE(x) free(x)
1329# define KFREES(x,s) free(x)
1330# define GETIFP(x, v) get_unit(x,v)
1331# define COPYIN(a,b,c) (bcopy((a), (b), (c)), 0)
1332# define COPYOUT(a,b,c) (bcopy((a), (b), (c)), 0)
1333# define BCOPYIN(a,b,c) (bcopy((a), (b), (c)), 0)
1334# define BCOPYOUT(a,b,c) (bcopy((a), (b), (c)), 0)
1335# define COPYDATA(m, o, l, b) bcopy(MTOD((mb_t *)m, char *) + (o), \
1336 (b), (l))
1337# define COPYBACK(m, o, l, b) bcopy((b), \
1338 MTOD((mb_t *)m, char *) + (o), \
1339 (l))
1340# define UIOMOVE(a,b,c,d) ipfuiomove(a,b,c,d)
1341extern void m_copydata __P((mb_t *, int, int, caddr_t));
1342extern int ipfuiomove __P((caddr_t, int, int, struct uio *));
1343# ifndef CACHE_HASH
1344# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1345 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1346# endif
1347
1348# define MUTEX_DESTROY(x) eMmutex_destroy(&(x)->ipf_emu)
1349# define MUTEX_ENTER(x) eMmutex_enter(&(x)->ipf_emu, \
1350 __FILE__, __LINE__)
1351# define MUTEX_EXIT(x) eMmutex_exit(&(x)->ipf_emu)
1352# define MUTEX_INIT(x,y) eMmutex_init(&(x)->ipf_emu, y)
1353# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
1354
1355# define MUTEX_DOWNGRADE(x) eMrwlock_downgrade(&(x)->ipf_emu, \
1356 __FILE__, __LINE__)
1357# define READ_ENTER(x) eMrwlock_read_enter(&(x)->ipf_emu, \
1358 __FILE__, __LINE__)
1359# define RWLOCK_INIT(x, y) eMrwlock_init(&(x)->ipf_emu, y)
1360# define RWLOCK_EXIT(x) eMrwlock_exit(&(x)->ipf_emu)
1361# define RW_DESTROY(x) eMrwlock_destroy(&(x)->ipf_emu)
1362# define WRITE_ENTER(x) eMrwlock_write_enter(&(x)->ipf_emu, \
1363 __FILE__, \
1364 __LINE__)
1365
1366# define USE_MUTEXES 1
1367
1368extern void eMmutex_destroy __P((eMmutex_t *));
1369extern void eMmutex_enter __P((eMmutex_t *, char *, int));
1370extern void eMmutex_exit __P((eMmutex_t *));
1371extern void eMmutex_init __P((eMmutex_t *, char *));
1372extern void eMrwlock_destroy __P((eMrwlock_t *));
1373extern void eMrwlock_exit __P((eMrwlock_t *));
1374extern void eMrwlock_init __P((eMrwlock_t *, char *));
1375extern void eMrwlock_read_enter __P((eMrwlock_t *, char *, int));
1376extern void eMrwlock_write_enter __P((eMrwlock_t *, char *, int));
1377extern void eMrwlock_downgrade __P((eMrwlock_t *, char *, int));
1378
1379#endif
1380
1381#define MAX_IPV4HDR ((0xf << 2) + sizeof(struct icmp) + sizeof(ip_t) + 8)
1382
1383#ifndef IP_OFFMASK
1384# define IP_OFFMASK 0x1fff
1385#endif
1386
1387
1388/*
1389 * On BSD's use quad_t as a guarantee for getting at least a 64bit sized
1390 * object.
1391 */
1392#if BSD > 199306
1393# define USE_QUAD_T
1394# define U_QUAD_T u_quad_t
1395# define QUAD_T quad_t
1396#else /* BSD > 199306 */
1397# define U_QUAD_T u_long
1398# define QUAD_T long
1399#endif /* BSD > 199306 */
1400
1401
1402#ifdef USE_INET6
1403# if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
1404 defined(__osf__) || defined(linux)
1405# include <netinet/ip6.h>
1406# include <netinet/icmp6.h>
1407# if !defined(linux)
1408# if defined(_KERNEL) && !defined(__osf__)
1409# include <netinet6/ip6_var.h>
1410# endif
1411# endif
1412typedef struct ip6_hdr ip6_t;
1413# endif
1414#endif
1415
1416#ifndef MAX
1417# define MAX(a,b) (((a) > (b)) ? (a) : (b))
1418#endif
1419
1420#if defined(_KERNEL)
1421# ifdef MENTAT
1422# define COPYDATA mb_copydata
1423# define COPYBACK mb_copyback
1424# else
1425# define COPYDATA m_copydata
1426# define COPYBACK m_copyback
1427# endif
1428# if (BSD >= 199306) || defined(__FreeBSD__)
1429# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \
1430 defined(__FreeBSD__) || (defined(OpenBSD) && (OpenBSD < 200206)) || \
1431 defined(_BSDI_VERSION)
1432# include <vm/vm.h>
1433# endif
1434# if !defined(__FreeBSD__) || (defined (__FreeBSD_version) && \
1435 (__FreeBSD_version >= 300000))
1436# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105180000)) || \
1437 (defined(OpenBSD) && (OpenBSD >= 200111))
1438# include <uvm/uvm_extern.h>
1439# else
1440# include <vm/vm_extern.h>
1441extern vm_map_t kmem_map;
1442# endif
1443# include <sys/proc.h>
1444# else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
1445# include <vm/vm_kern.h>
1446# endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
1447
1448# ifdef IPFILTER_M_IPFILTER
1449# include <sys/malloc.h>
1450MALLOC_DECLARE(M_IPFILTER);
1451# define _M_IPF M_IPFILTER
1452# else /* IPFILTER_M_IPFILTER */
1453# ifdef M_PFIL
1454# define _M_IPF M_PFIL
1455# else
1456# ifdef M_IPFILTER
1457# define _M_IPF M_IPFILTER
1458# else
1459# define _M_IPF M_TEMP
1460# endif /* M_IPFILTER */
1461# endif /* M_PFIL */
1462# endif /* IPFILTER_M_IPFILTER */
1463# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), _M_IPF, M_NOWAIT)
1464# define KMALLOCS(a, b, c) MALLOC((a), b, (c), _M_IPF, M_NOWAIT)
1465# define KFREE(x) FREE((x), _M_IPF)
1466# define KFREES(x,s) FREE((x), _M_IPF)
1467# define UIOMOVE(a,b,c,d) uiomove(a,b,d)
1468# define SLEEP(id, n) tsleep((id), PPAUSE|PCATCH, n, 0)
1469# define WAKEUP(id,x) wakeup(id+x)
1470# define GETIFP(n, v) ifunit(n)
1471# endif /* (Free)BSD */
1472
1473# if !defined(USE_MUTEXES) && !defined(SPL_NET)
1474# if (defined(NetBSD) && (NetBSD <= 1991011) && (NetBSD >= 199407)) || \
1475 (defined(OpenBSD) && (OpenBSD >= 200006))
1476# define SPL_NET(x) x = splsoftnet()
1477# else
1478# define SPL_IMP(x) x = splimp()
1479# define SPL_NET(x) x = splnet()
1480# endif /* NetBSD && (NetBSD <= 1991011) && (NetBSD >= 199407) */
1481# define SPL_X(x) (void) splx(x)
1482# endif /* !USE_MUTEXES */
1483
1484# ifndef FREE_MB_T
1485# define FREE_MB_T(m) m_freem(m)
1486# endif
1487
1488# ifndef MTOD
1489# define MTOD(m,t) mtod(m,t)
1490# endif
1491
1492# ifndef COPYIN
1493# define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1494# define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1495# define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1496# define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1497# endif
1498
1499# ifndef KMALLOC
1500# define KMALLOC(a,b) (a) = (b)new_kmem_alloc(sizeof(*(a)), \
1501 KMEM_NOSLEEP)
1502# define KMALLOCS(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP)
1503# endif
1504
1505# ifndef GET_MINOR
1506# define GET_MINOR(x) minor(x)
1507# endif
1508# define PANIC(x,y) if (x) panic y
1509#endif /* _KERNEL */
1510
1511#ifndef IFNAME
1512# define IFNAME(x) ((struct ifnet *)x)->if_name
1513#endif
1514#ifndef COPYIFNAME
1515# define NEED_FRGETIFNAME
1516extern char *fr_getifname __P((struct ifnet *, char *));
1517# define COPYIFNAME(x, b) \
1518 fr_getifname((struct ifnet *)x, b)
1519#endif
1520
1521#ifndef ASSERT
1522# define ASSERT(x)
1523#endif
1524
1525/*
1526 * Because the ctype(3) posix definition, if used "safely" in code everywhere,
1527 * would mean all normal code that walks through strings needed casts. Yuck.
1528 */
1529#define ISALNUM(x) isalnum((u_char)(x))
1530#define ISALPHA(x) isalpha((u_char)(x))
1531#define ISASCII(x) isascii((u_char)(x))
1532#define ISDIGIT(x) isdigit((u_char)(x))
1533#define ISPRINT(x) isprint((u_char)(x))
1534#define ISSPACE(x) isspace((u_char)(x))
1535#define ISUPPER(x) isupper((u_char)(x))
1536#define ISXDIGIT(x) isxdigit((u_char)(x))
1537#define ISLOWER(x) islower((u_char)(x))
1538#define TOUPPER(x) toupper((u_char)(x))
1539#define TOLOWER(x) tolower((u_char)(x))
1540
1541/*
1542 * If mutexes aren't being used, turn all the mutex functions into null-ops.
1543 */
1544#if !defined(USE_MUTEXES)
1545# define USE_SPL 1
1546# undef RW_DESTROY
1547# undef MUTEX_INIT
1548# undef MUTEX_NUKE
1549# undef MUTEX_DESTROY
1550# define MUTEX_ENTER(x) ;
1551# define READ_ENTER(x) ;
1552# define WRITE_ENTER(x) ;
1553# define MUTEX_DOWNGRADE(x) ;
1554# define RWLOCK_INIT(x, y) ;
1555# define RWLOCK_EXIT(x) ;
1556# define RW_DESTROY(x) ;
1557# define MUTEX_EXIT(x) ;
1558# define MUTEX_INIT(x,y) ;
1559# define MUTEX_DESTROY(x) ;
1560# define MUTEX_NUKE(x) ;
1561#endif /* !USE_MUTEXES */
1562#ifndef ATOMIC_INC
1563# define ATOMIC_INC(x) (x)++
1564# define ATOMIC_DEC(x) (x)--
1565#endif
1566
1567/*
1568 * If there are no atomic operations for bit sizes defined, define them to all
1569 * use a generic one that works for all sizes.
1570 */
1571#ifndef ATOMIC_INCL
1572# define ATOMIC_INCL ATOMIC_INC
1573# define ATOMIC_INC64 ATOMIC_INC
1574# define ATOMIC_INC32 ATOMIC_INC
1575# define ATOMIC_INC16 ATOMIC_INC
1576# define ATOMIC_DECL ATOMIC_DEC
1577# define ATOMIC_DEC64 ATOMIC_DEC
1578# define ATOMIC_DEC32 ATOMIC_DEC
1579# define ATOMIC_DEC16 ATOMIC_DEC
1580#endif
1581
1582#ifndef HDR_T_PRIVATE
1583typedef struct tcphdr tcphdr_t;
1584typedef struct udphdr udphdr_t;
1585#endif
1586typedef struct icmp icmphdr_t;
1587typedef struct ip ip_t;
1588typedef struct ether_header ether_header_t;
1589typedef struct tcpiphdr tcpiphdr_t;
1590
1591#ifndef FR_GROUPLEN
1592# define FR_GROUPLEN 16
1593#endif
1594
1595#ifdef offsetof
1596# undef offsetof
1597#endif
1598#ifndef offsetof
1599# define offsetof(t,m) (int)((&((t *)0L)->m))
1600#endif
1601
1602/*
1603 * This set of macros has been brought about because on Tru64 it is not
1604 * possible to easily assign or examine values in a structure that are
1605 * bit fields.
1606 */
1607#ifndef IP_V
1608# define IP_V(x) (x)->ip_v
1609#endif
1610#ifndef IP_V_A
1611# define IP_V_A(x,y) (x)->ip_v = (y)
1612#endif
1613#ifndef IP_HL
1614# define IP_HL(x) (x)->ip_hl
1615#endif
1616#ifndef IP_HL_A
1617# define IP_HL_A(x,y) (x)->ip_hl = (y)
1618#endif
1619#ifndef TCP_X2
1620# define TCP_X2(x) (x)->th_x2
1621#endif
1622#ifndef TCP_X2_A
1623# define TCP_X2_A(x,y) (x)->th_x2 = (y)
1624#endif
1625#ifndef TCP_OFF
1626# define TCP_OFF(x) (x)->th_off
1627#endif
1628#ifndef TCP_OFF_A
1629# define TCP_OFF_A(x,y) (x)->th_off = (y)
1630#endif
1631#define IPMINLEN(i, h) ((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h)))
1632
1633
1634/*
1635 * XXX - This is one of those *awful* hacks which nobody likes
1636 */
1637#ifdef ultrix
1638#define A_A
1639#else
1640#define A_A &
1641#endif
1642
1643#define TCPF_ALL (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\
1644 TH_ECN|TH_CWR)
1645
1646#if (BSD >= 199306) && !defined(m_act)
1647# define m_act m_nextpkt
1648#endif
1649
1650/*
1651 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108.
1652 *
1653 * Basic Option
1654 *
1655 * 00000001 - (Reserved 4)
1656 * 00111101 - Top Secret
1657 * 01011010 - Secret
1658 * 10010110 - Confidential
1659 * 01100110 - (Reserved 3)
1660 * 11001100 - (Reserved 2)
1661 * 10101011 - Unclassified
1662 * 11110001 - (Reserved 1)
1663 */
1664#define IPSO_CLASS_RES4 0x01
1665#define IPSO_CLASS_TOPS 0x3d
1666#define IPSO_CLASS_SECR 0x5a
1667#define IPSO_CLASS_CONF 0x96
1668#define IPSO_CLASS_RES3 0x66
1669#define IPSO_CLASS_RES2 0xcc
1670#define IPSO_CLASS_UNCL 0xab
1671#define IPSO_CLASS_RES1 0xf1
1672
1673#define IPSO_AUTH_GENSER 0x80
1674#define IPSO_AUTH_ESI 0x40
1675#define IPSO_AUTH_SCI 0x20
1676#define IPSO_AUTH_NSA 0x10
1677#define IPSO_AUTH_DOE 0x08
1678#define IPSO_AUTH_UN 0x06
1679#define IPSO_AUTH_FTE 0x01
1680
1681/*
1682 * IP option #defines
1683 */
1684#undef IPOPT_RR
1685#define IPOPT_RR 7
1686#undef IPOPT_ZSU
1687#define IPOPT_ZSU 10 /* ZSU */
1688#undef IPOPT_MTUP
1689#define IPOPT_MTUP 11 /* MTUP */
1690#undef IPOPT_MTUR
1691#define IPOPT_MTUR 12 /* MTUR */
1692#undef IPOPT_ENCODE
1693#define IPOPT_ENCODE 15 /* ENCODE */
1694#undef IPOPT_TS
1695#define IPOPT_TS 68
1696#undef IPOPT_TR
1697#define IPOPT_TR 82 /* TR */
1698#undef IPOPT_SECURITY
1699#define IPOPT_SECURITY 130
1700#undef IPOPT_LSRR
1701#define IPOPT_LSRR 131
1702#undef IPOPT_E_SEC
1703#define IPOPT_E_SEC 133 /* E-SEC */
1704#undef IPOPT_CIPSO
1705#define IPOPT_CIPSO 134 /* CIPSO */
1706#undef IPOPT_SATID
1707#define IPOPT_SATID 136
1708#ifndef IPOPT_SID
1709# define IPOPT_SID IPOPT_SATID
1710#endif
1711#undef IPOPT_SSRR
1712#define IPOPT_SSRR 137
1713#undef IPOPT_ADDEXT
1714#define IPOPT_ADDEXT 147 /* ADDEXT */
1715#undef IPOPT_VISA
1716#define IPOPT_VISA 142 /* VISA */
1717#undef IPOPT_IMITD
1718#define IPOPT_IMITD 144 /* IMITD */
1719#undef IPOPT_EIP
1720#define IPOPT_EIP 145 /* EIP */
1721#undef IPOPT_RTRALRT
1722#define IPOPT_RTRALRT 148 /* RTRALRT */
1723#undef IPOPT_SDB
1724#define IPOPT_SDB 149
1725#undef IPOPT_NSAPA
1726#define IPOPT_NSAPA 150
1727#undef IPOPT_DPS
1728#define IPOPT_DPS 151
1729#undef IPOPT_UMP
1730#define IPOPT_UMP 152
1731#undef IPOPT_FINN
1732#define IPOPT_FINN 205 /* FINN */
1733
1734#ifndef TCPOPT_EOL
1735# define TCPOPT_EOL 0
1736#endif
1737#ifndef TCPOPT_NOP
1738# define TCPOPT_NOP 1
1739#endif
1740#ifndef TCPOPT_MAXSEG
1741# define TCPOPT_MAXSEG 2
1742#endif
1743#ifndef TCPOLEN_MAXSEG
1744# define TCPOLEN_MAXSEG 4
1745#endif
1746#ifndef TCPOPT_WINDOW
1747# define TCPOPT_WINDOW 3
1748#endif
1749#ifndef TCPOLEN_WINDOW
1750# define TCPOLEN_WINDOW 3
1751#endif
1752#ifndef TCPOPT_SACK_PERMITTED
1753# define TCPOPT_SACK_PERMITTED 4
1754#endif
1755#ifndef TCPOLEN_SACK_PERMITTED
1756# define TCPOLEN_SACK_PERMITTED 2
1757#endif
1758#ifndef TCPOPT_SACK
1759# define TCPOPT_SACK 5
1760#endif
1761#ifndef TCPOPT_TIMESTAMP
1762# define TCPOPT_TIMESTAMP 8
1763#endif
1764
1765#ifndef ICMP_MINLEN
1766# define ICMP_MINLEN 8
1767#endif
1768#ifndef ICMP_ECHOREPLY
1769# define ICMP_ECHOREPLY 0
1770#endif
1771#ifndef ICMP_UNREACH
1772# define ICMP_UNREACH 3
1773#endif
1774#ifndef ICMP_UNREACH_NET
1775# define ICMP_UNREACH_NET 0
1776#endif
1777#ifndef ICMP_UNREACH_HOST
1778# define ICMP_UNREACH_HOST 1
1779#endif
1780#ifndef ICMP_UNREACH_PROTOCOL
1781# define ICMP_UNREACH_PROTOCOL 2
1782#endif
1783#ifndef ICMP_UNREACH_PORT
1784# define ICMP_UNREACH_PORT 3
1785#endif
1786#ifndef ICMP_UNREACH_NEEDFRAG
1787# define ICMP_UNREACH_NEEDFRAG 4
1788#endif
1789#ifndef ICMP_UNREACH_SRCFAIL
1790# define ICMP_UNREACH_SRCFAIL 5
1791#endif
1792#ifndef ICMP_UNREACH_NET_UNKNOWN
1793# define ICMP_UNREACH_NET_UNKNOWN 6
1794#endif
1795#ifndef ICMP_UNREACH_HOST_UNKNOWN
1796# define ICMP_UNREACH_HOST_UNKNOWN 7
1797#endif
1798#ifndef ICMP_UNREACH_ISOLATED
1799# define ICMP_UNREACH_ISOLATED 8
1800#endif
1801#ifndef ICMP_UNREACH_NET_PROHIB
1802# define ICMP_UNREACH_NET_PROHIB 9
1803#endif
1804#ifndef ICMP_UNREACH_HOST_PROHIB
1805# define ICMP_UNREACH_HOST_PROHIB 10
1806#endif
1807#ifndef ICMP_UNREACH_TOSNET
1808# define ICMP_UNREACH_TOSNET 11
1809#endif
1810#ifndef ICMP_UNREACH_TOSHOST
1811# define ICMP_UNREACH_TOSHOST 12
1812#endif
1813#ifndef ICMP_UNREACH_ADMIN_PROHIBIT
1814# define ICMP_UNREACH_ADMIN_PROHIBIT 13
1815#endif
1816#ifndef ICMP_UNREACH_FILTER
1817# define ICMP_UNREACH_FILTER 13
1818#endif
1819#ifndef ICMP_UNREACH_HOST_PRECEDENCE
1820# define ICMP_UNREACH_HOST_PRECEDENCE 14
1821#endif
1822#ifndef ICMP_UNREACH_PRECEDENCE_CUTOFF
1823# define ICMP_UNREACH_PRECEDENCE_CUTOFF 15
1824#endif
1825#ifndef ICMP_SOURCEQUENCH
1826# define ICMP_SOURCEQUENCH 4
1827#endif
1828#ifndef ICMP_REDIRECT_NET
1829# define ICMP_REDIRECT_NET 0
1830#endif
1831#ifndef ICMP_REDIRECT_HOST
1832# define ICMP_REDIRECT_HOST 1
1833#endif
1834#ifndef ICMP_REDIRECT_TOSNET
1835# define ICMP_REDIRECT_TOSNET 2
1836#endif
1837#ifndef ICMP_REDIRECT_TOSHOST
1838# define ICMP_REDIRECT_TOSHOST 3
1839#endif
1840#ifndef ICMP_ALTHOSTADDR
1841# define ICMP_ALTHOSTADDR 6
1842#endif
1843#ifndef ICMP_TIMXCEED
1844# define ICMP_TIMXCEED 11
1845#endif
1846#ifndef ICMP_TIMXCEED_INTRANS
1847# define ICMP_TIMXCEED_INTRANS 0
1848#endif
1849#ifndef ICMP_TIMXCEED_REASS
1850# define ICMP_TIMXCEED_REASS 1
1851#endif
1852#ifndef ICMP_PARAMPROB
1853# define ICMP_PARAMPROB 12
1854#endif
1855#ifndef ICMP_PARAMPROB_ERRATPTR
1856# define ICMP_PARAMPROB_ERRATPTR 0
1857#endif
1858#ifndef ICMP_PARAMPROB_OPTABSENT
1859# define ICMP_PARAMPROB_OPTABSENT 1
1860#endif
1861#ifndef ICMP_PARAMPROB_LENGTH
1862# define ICMP_PARAMPROB_LENGTH 2
1863#endif
1864#ifndef ICMP_TSTAMP
1865# define ICMP_TSTAMP 13
1866#endif
1867#ifndef ICMP_TSTAMPREPLY
1868# define ICMP_TSTAMPREPLY 14
1869#endif
1870#ifndef ICMP_IREQ
1871# define ICMP_IREQ 15
1872#endif
1873#ifndef ICMP_IREQREPLY
1874# define ICMP_IREQREPLY 16
1875#endif
1876#ifndef ICMP_MASKREQ
1877# define ICMP_MASKREQ 17
1878#endif
1879#ifndef ICMP_MASKREPLY
1880# define ICMP_MASKREPLY 18
1881#endif
1882#ifndef ICMP_TRACEROUTE
1883# define ICMP_TRACEROUTE 30
1884#endif
1885#ifndef ICMP_DATACONVERR
1886# define ICMP_DATACONVERR 31
1887#endif
1888#ifndef ICMP_MOBILE_REDIRECT
1889# define ICMP_MOBILE_REDIRECT 32
1890#endif
1891#ifndef ICMP_IPV6_WHEREAREYOU
1892# define ICMP_IPV6_WHEREAREYOU 33
1893#endif
1894#ifndef ICMP_IPV6_IAMHERE
1895# define ICMP_IPV6_IAMHERE 34
1896#endif
1897#ifndef ICMP_MOBILE_REGREQUEST
1898# define ICMP_MOBILE_REGREQUEST 35
1899#endif
1900#ifndef ICMP_MOBILE_REGREPLY
1901# define ICMP_MOBILE_REGREPLY 36
1902#endif
1903#ifndef ICMP_SKIP
1904# define ICMP_SKIP 39
1905#endif
1906#ifndef ICMP_PHOTURIS
1907# define ICMP_PHOTURIS 40
1908#endif
1909#ifndef ICMP_PHOTURIS_UNKNOWN_INDEX
1910# define ICMP_PHOTURIS_UNKNOWN_INDEX 1
1911#endif
1912#ifndef ICMP_PHOTURIS_AUTH_FAILED
1913# define ICMP_PHOTURIS_AUTH_FAILED 2
1914#endif
1915#ifndef ICMP_PHOTURIS_DECRYPT_FAILED
1916# define ICMP_PHOTURIS_DECRYPT_FAILED 3
1917#endif
1918#ifndef IPVERSION
1919# define IPVERSION 4
1920#endif
1921#ifndef IPOPT_MINOFF
1922# define IPOPT_MINOFF 4
1923#endif
1924#ifndef IPOPT_COPIED
1925# define IPOPT_COPIED(x) ((x)&0x80)
1926#endif
1927#ifndef IPOPT_EOL
1928# define IPOPT_EOL 0
1929#endif
1930#ifndef IPOPT_NOP
1931# define IPOPT_NOP 1
1932#endif
1933#ifndef IP_MF
1934# define IP_MF ((u_short)0x2000)
1935#endif
1936#ifndef ETHERTYPE_IP
1937# define ETHERTYPE_IP ((u_short)0x0800)
1938#endif
1939#ifndef TH_FIN
1940# define TH_FIN 0x01
1941#endif
1942#ifndef TH_SYN
1943# define TH_SYN 0x02
1944#endif
1945#ifndef TH_RST
1946# define TH_RST 0x04
1947#endif
1948#ifndef TH_PUSH
1949# define TH_PUSH 0x08
1950#endif
1951#ifndef TH_ACK
1952# define TH_ACK 0x10
1953#endif
1954#ifndef TH_URG
1955# define TH_URG 0x20
1956#endif
1957#undef TH_ACKMASK
1958#define TH_ACKMASK (TH_FIN|TH_SYN|TH_RST|TH_ACK)
1959
1960#ifndef IPOPT_EOL
1961# define IPOPT_EOL 0
1962#endif
1963#ifndef IPOPT_NOP
1964# define IPOPT_NOP 1
1965#endif
1966#ifndef IPOPT_RR
1967# define IPOPT_RR 7
1968#endif
1969#ifndef IPOPT_TS
1970# define IPOPT_TS 68
1971#endif
1972#ifndef IPOPT_SECURITY
1973# define IPOPT_SECURITY 130
1974#endif
1975#ifndef IPOPT_LSRR
1976# define IPOPT_LSRR 131
1977#endif
1978#ifndef IPOPT_SATID
1979# define IPOPT_SATID 136
1980#endif
1981#ifndef IPOPT_SSRR
1982# define IPOPT_SSRR 137
1983#endif
1984#ifndef IPOPT_SECUR_UNCLASS
1985# define IPOPT_SECUR_UNCLASS ((u_short)0x0000)
1986#endif
1987#ifndef IPOPT_SECUR_CONFID
1988# define IPOPT_SECUR_CONFID ((u_short)0xf135)
1989#endif
1990#ifndef IPOPT_SECUR_EFTO
1991# define IPOPT_SECUR_EFTO ((u_short)0x789a)
1992#endif
1993#ifndef IPOPT_SECUR_MMMM
1994# define IPOPT_SECUR_MMMM ((u_short)0xbc4d)
1995#endif
1996#ifndef IPOPT_SECUR_RESTR
1997# define IPOPT_SECUR_RESTR ((u_short)0xaf13)
1998#endif
1999#ifndef IPOPT_SECUR_SECRET
2000# define IPOPT_SECUR_SECRET ((u_short)0xd788)
2001#endif
2002#ifndef IPOPT_SECUR_TOPSECRET
2003# define IPOPT_SECUR_TOPSECRET ((u_short)0x6bc5)
2004#endif
2005#ifndef IPOPT_OLEN
2006# define IPOPT_OLEN 1
2007#endif
2008#ifndef IPPROTO_HOPOPTS
2009# define IPPROTO_HOPOPTS 0
2010#endif
2011#ifndef IPPROTO_ENCAP
2012# define IPPROTO_ENCAP 4
2013#endif
2014#ifndef IPPROTO_IPV6
2015# define IPPROTO_IPV6 41
2016#endif
2017#ifndef IPPROTO_ROUTING
2018# define IPPROTO_ROUTING 43
2019#endif
2020#ifndef IPPROTO_FRAGMENT
2021# define IPPROTO_FRAGMENT 44
2022#endif
2023#ifndef IPPROTO_GRE
2024# define IPPROTO_GRE 47 /* GRE encaps RFC 1701 */
2025#endif
2026#ifndef IPPROTO_ESP
2027# define IPPROTO_ESP 50
2028#endif
2029#ifndef IPPROTO_AH
2030# define IPPROTO_AH 51
2031#endif
2032#ifndef IPPROTO_ICMPV6
2033# define IPPROTO_ICMPV6 58
2034#endif
2035#ifndef IPPROTO_NONE
2036# define IPPROTO_NONE 59
2037#endif
2038#ifndef IPPROTO_DSTOPTS
2039# define IPPROTO_DSTOPTS 60
2040#endif
2041#ifndef IPPROTO_FRAGMENT
2042# define IPPROTO_FRAGMENT 44
2043#endif
2044#ifndef ICMP_ROUTERADVERT
2045# define ICMP_ROUTERADVERT 9
2046#endif
2047#ifndef ICMP_ROUTERSOLICIT
2048# define ICMP_ROUTERSOLICIT 10
2049#endif
2050#ifndef ICMP6_DST_UNREACH
2051# define ICMP6_DST_UNREACH 1
2052#endif
2053#ifndef ICMP6_PACKET_TOO_BIG
2054# define ICMP6_PACKET_TOO_BIG 2
2055#endif
2056#ifndef ICMP6_TIME_EXCEEDED
2057# define ICMP6_TIME_EXCEEDED 3
2058#endif
2059#ifndef ICMP6_PARAM_PROB
2060# define ICMP6_PARAM_PROB 4
2061#endif
2062
2063#ifndef ICMP6_ECHO_REQUEST
2064# define ICMP6_ECHO_REQUEST 128
2065#endif
2066#ifndef ICMP6_ECHO_REPLY
2067# define ICMP6_ECHO_REPLY 129
2068#endif
2069#ifndef ICMP6_MEMBERSHIP_QUERY
2070# define ICMP6_MEMBERSHIP_QUERY 130
2071#endif
2072#ifndef MLD6_LISTENER_QUERY
2073# define MLD6_LISTENER_QUERY 130
2074#endif
2075#ifndef ICMP6_MEMBERSHIP_REPORT
2076# define ICMP6_MEMBERSHIP_REPORT 131
2077#endif
2078#ifndef MLD6_LISTENER_REPORT
2079# define MLD6_LISTENER_REPORT 131
2080#endif
2081#ifndef ICMP6_MEMBERSHIP_REDUCTION
2082# define ICMP6_MEMBERSHIP_REDUCTION 132
2083#endif
2084#ifndef MLD6_LISTENER_DONE
2085# define MLD6_LISTENER_DONE 132
2086#endif
2087#ifndef ND_ROUTER_SOLICIT
2088# define ND_ROUTER_SOLICIT 133
2089#endif
2090#ifndef ND_ROUTER_ADVERT
2091# define ND_ROUTER_ADVERT 134
2092#endif
2093#ifndef ND_NEIGHBOR_SOLICIT
2094# define ND_NEIGHBOR_SOLICIT 135
2095#endif
2096#ifndef ND_NEIGHBOR_ADVERT
2097# define ND_NEIGHBOR_ADVERT 136
2098#endif
2099#ifndef ND_REDIRECT
2100# define ND_REDIRECT 137
2101#endif
2102#ifndef ICMP6_ROUTER_RENUMBERING
2103# define ICMP6_ROUTER_RENUMBERING 138
2104#endif
2105#ifndef ICMP6_WRUREQUEST
2106# define ICMP6_WRUREQUEST 139
2107#endif
2108#ifndef ICMP6_WRUREPLY
2109# define ICMP6_WRUREPLY 140
2110#endif
2111#ifndef ICMP6_FQDN_QUERY
2112# define ICMP6_FQDN_QUERY 139
2113#endif
2114#ifndef ICMP6_FQDN_REPLY
2115# define ICMP6_FQDN_REPLY 140
2116#endif
2117#ifndef ICMP6_NI_QUERY
2118# define ICMP6_NI_QUERY 139
2119#endif
2120#ifndef ICMP6_NI_REPLY
2121# define ICMP6_NI_REPLY 140
2122#endif
2123#ifndef MLD6_MTRACE_RESP
2124# define MLD6_MTRACE_RESP 200
2125#endif
2126#ifndef MLD6_MTRACE
2127# define MLD6_MTRACE 201
2128#endif
2129#ifndef ICMP6_HADISCOV_REQUEST
2130# define ICMP6_HADISCOV_REQUEST 202
2131#endif
2132#ifndef ICMP6_HADISCOV_REPLY
2133# define ICMP6_HADISCOV_REPLY 203
2134#endif
2135#ifndef ICMP6_MOBILEPREFIX_SOLICIT
2136# define ICMP6_MOBILEPREFIX_SOLICIT 204
2137#endif
2138#ifndef ICMP6_MOBILEPREFIX_ADVERT
2139# define ICMP6_MOBILEPREFIX_ADVERT 205
2140#endif
2141#ifndef ICMP6_MAXTYPE
2142# define ICMP6_MAXTYPE 205
2143#endif
2144
2145#ifndef ICMP6_DST_UNREACH_NOROUTE
2146# define ICMP6_DST_UNREACH_NOROUTE 0
2147#endif
2148#ifndef ICMP6_DST_UNREACH_ADMIN
2149# define ICMP6_DST_UNREACH_ADMIN 1
2150#endif
2151#ifndef ICMP6_DST_UNREACH_NOTNEIGHBOR
2152# define ICMP6_DST_UNREACH_NOTNEIGHBOR 2
2153#endif
2154#ifndef ICMP6_DST_UNREACH_BEYONDSCOPE
2155# define ICMP6_DST_UNREACH_BEYONDSCOPE 2
2156#endif
2157#ifndef ICMP6_DST_UNREACH_ADDR
2158# define ICMP6_DST_UNREACH_ADDR 3
2159#endif
2160#ifndef ICMP6_DST_UNREACH_NOPORT
2161# define ICMP6_DST_UNREACH_NOPORT 4
2162#endif
2163#ifndef ICMP6_TIME_EXCEED_TRANSIT
2164# define ICMP6_TIME_EXCEED_TRANSIT 0
2165#endif
2166#ifndef ICMP6_TIME_EXCEED_REASSEMBLY
2167# define ICMP6_TIME_EXCEED_REASSEMBLY 1
2168#endif
2169
2170#ifndef ICMP6_NI_SUCCESS
2171# define ICMP6_NI_SUCCESS 0
2172#endif
2173#ifndef ICMP6_NI_REFUSED
2174# define ICMP6_NI_REFUSED 1
2175#endif
2176#ifndef ICMP6_NI_UNKNOWN
2177# define ICMP6_NI_UNKNOWN 2
2178#endif
2179
2180#ifndef ICMP6_ROUTER_RENUMBERING_COMMAND
2181# define ICMP6_ROUTER_RENUMBERING_COMMAND 0
2182#endif
2183#ifndef ICMP6_ROUTER_RENUMBERING_RESULT
2184# define ICMP6_ROUTER_RENUMBERING_RESULT 1
2185#endif
2186#ifndef ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET
2187# define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255
2188#endif
2189
2190#ifndef ICMP6_PARAMPROB_HEADER
2191# define ICMP6_PARAMPROB_HEADER 0
2192#endif
2193#ifndef ICMP6_PARAMPROB_NEXTHEADER
2194# define ICMP6_PARAMPROB_NEXTHEADER 1
2195#endif
2196#ifndef ICMP6_PARAMPROB_OPTION
2197# define ICMP6_PARAMPROB_OPTION 2
2198#endif
2199
2200#ifndef ICMP6_NI_SUBJ_IPV6
2201# define ICMP6_NI_SUBJ_IPV6 0
2202#endif
2203#ifndef ICMP6_NI_SUBJ_FQDN
2204# define ICMP6_NI_SUBJ_FQDN 1
2205#endif
2206#ifndef ICMP6_NI_SUBJ_IPV4
2207# define ICMP6_NI_SUBJ_IPV4 2
2208#endif
2209
2210/*
2211 * ECN is a new addition to TCP - RFC 2481
2212 */
2213#ifndef TH_ECN
2214# define TH_ECN 0x40
2215#endif
2216#ifndef TH_CWR
2217# define TH_CWR 0x80
2218#endif
2219#define TH_ECNALL (TH_ECN|TH_CWR)
2220
2221/*
2222 * TCP States
2223 */
2224#define IPF_TCPS_CLOSED 0 /* closed */
2225#define IPF_TCPS_LISTEN 1 /* listening for connection */
2226#define IPF_TCPS_SYN_SENT 2 /* active, have sent syn */
2227#define IPF_TCPS_SYN_RECEIVED 3 /* have send and received syn */
2228#define IPF_TCPS_HALF_ESTAB 4 /* for connections not fully "up" */
2229/* states < IPF_TCPS_ESTABLISHED are those where connections not established */
2230#define IPF_TCPS_ESTABLISHED 5 /* established */
2231#define IPF_TCPS_CLOSE_WAIT 6 /* rcvd fin, waiting for close */
2232/* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */
2233#define IPF_TCPS_FIN_WAIT_1 7 /* have closed, sent fin */
2234#define IPF_TCPS_CLOSING 8 /* closed xchd FIN; await FIN ACK */
2235#define IPF_TCPS_LAST_ACK 9 /* had fin and close; await FIN ACK */
2236/* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */
2237#define IPF_TCPS_FIN_WAIT_2 10 /* have closed, fin is acked */
2238#define IPF_TCPS_TIME_WAIT 11 /* in 2*msl quiet wait after close */
2239#define IPF_TCP_NSTATES 12
2240
2241#define TCP_MSL 120
2242
2243#undef ICMP_MAX_UNREACH
2244#define ICMP_MAX_UNREACH 14
2245#undef ICMP_MAXTYPE
2246#define ICMP_MAXTYPE 18
2247
2248#ifndef IFNAMSIZ
2249#define IFNAMSIZ 16
2250#endif
2251
2252#ifndef LOG_FTP
2253# define LOG_FTP (11<<3)
2254#endif
2255#ifndef LOG_AUTHPRIV
2256# define LOG_AUTHPRIV (10<<3)
2257#endif
2258#ifndef LOG_AUDIT
2259# define LOG_AUDIT (13<<3)
2260#endif
2261#ifndef LOG_NTP
2262# define LOG_NTP (12<<3)
2263#endif
2264#ifndef LOG_SECURITY
2265# define LOG_SECURITY (13<<3)
2266#endif
2267#ifndef LOG_LFMT
2268# define LOG_LFMT (14<<3)
2269#endif
2270#ifndef LOG_CONSOLE
2271# define LOG_CONSOLE (14<<3)
2272#endif
2273
2274/*
2275 * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data,
2276 * another IP header and then 64 bits of data, totalling 56. Of course,
2277 * the last 64 bits is dependant on that being available.
2278 */
2279#define ICMPERR_ICMPHLEN 8
2280#define ICMPERR_IPICMPHLEN (20 + 8)
2281#define ICMPERR_MINPKTLEN (20 + 8 + 20)
2282#define ICMPERR_MAXPKTLEN (20 + 8 + 20 + 8)
2283#define ICMP6ERR_MINPKTLEN (40 + 8)
2284#define ICMP6ERR_IPICMPHLEN (40 + 8 + 40)
2285
2286#ifndef MIN
2287# define MIN(a,b) (((a)<(b))?(a):(b))
2288#endif
2289
2290#ifdef IPF_DEBUG
2291# define DPRINT(x) printf x
2292#else
2293# define DPRINT(x)
2294#endif
2295
2296#endif /* __IP_COMPAT_H__ */
2
3/*
4 * Copyright (C) 1993-2001, 2003 by Darren Reed.
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 *
8 * @(#)ip_compat.h 1.8 1/14/96
9 * $FreeBSD: head/sys/contrib/ipfilter/netinet/ip_compat.h 145522 2005-04-25 18:43:14Z darrenr $
10 * Id: ip_compat.h,v 2.142.2.25 2005/03/28 09:33:36 darrenr Exp
11 */
12
13#ifndef __IP_COMPAT_H__
14#define __IP_COMPAT_H__
15
16#ifndef __P
17# ifdef __STDC__
18# define __P(x) x
19# else
20# define __P(x) ()
21# endif
22#endif
23#ifndef __STDC__
24# undef const
25# define const
26#endif
27
28#if defined(_KERNEL) || defined(KERNEL) || defined(__KERNEL__)
29# undef KERNEL
30# undef _KERNEL
31# undef __KERNEL__
32# define KERNEL
33# define _KERNEL
34# define __KERNEL__
35#endif
36
37#ifndef SOLARIS
38#define SOLARIS (defined(sun) && (defined(__svr4__) || defined(__SVR4)))
39#endif
40#if SOLARIS2 >= 8
41# ifndef USE_INET6
42# define USE_INET6
43# endif
44#endif
45#if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000) && \
46 !defined(_KERNEL) && !defined(USE_INET6) && !defined(NOINET6)
47# define USE_INET6
48#endif
49#if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105000000) && \
50 !defined(_KERNEL) && !defined(USE_INET6)
51# define USE_INET6
52# define IPFILTER_M_IPFILTER
53#endif
54#if defined(OpenBSD) && (OpenBSD >= 200206) && \
55 !defined(_KERNEL) && !defined(USE_INET6)
56# define USE_INET6
57#endif
58#if defined(__osf__)
59# define USE_INET6
60#endif
61#if defined(linux) && (!defined(_KERNEL) || defined(CONFIG_IPV6))
62# define USE_INET6
63#endif
64#if defined(HPUXREV) && (HPUXREV >= 1111)
65# define USE_INET6
66#endif
67
68#if defined(BSD) && (BSD < 199103) && defined(__osf__)
69# undef BSD
70# define BSD 199103
71#endif
72
73#if defined(__SVR4) || defined(__svr4__) || defined(__sgi)
74# define index strchr
75# if !defined(_KERNEL)
76# define bzero(a,b) memset(a,0,b)
77# define bcmp memcmp
78# define bcopy(a,b,c) memmove(b,a,c)
79# endif
80#endif
81
82#ifndef LIFNAMSIZ
83# ifdef IF_NAMESIZE
84# define LIFNAMSIZ IF_NAMESIZE
85# else
86# ifdef IFNAMSIZ
87# define LIFNAMSIZ IFNAMSIZ
88# else
89# define LIFNAMSIZ 16
90# endif
91# endif
92#endif
93
94#if defined(__sgi) || defined(bsdi) || defined(__hpux) || defined(hpux)
95struct ether_addr {
96 u_char ether_addr_octet[6];
97};
98#endif
99
100#if defined(__sgi) && !defined(IPFILTER_LKM)
101# ifdef __STDC__
102# define IPL_EXTERN(ep) ipfilter##ep
103# else
104# define IPL_EXTERN(ep) ipfilter/**/ep
105# endif
106#else
107# ifdef __STDC__
108# define IPL_EXTERN(ep) ipl##ep
109# else
110# define IPL_EXTERN(ep) ipl/**/ep
111# endif
112#endif
113
114/*
115 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD.
116 */
117#ifndef linux
118# ifndef _KERNEL
119# define ADD_KERNEL
120# define _KERNEL
121# define KERNEL
122# endif
123# ifdef __OpenBSD__
124struct file;
125# endif
126# include <sys/uio.h>
127# ifdef ADD_KERNEL
128# undef _KERNEL
129# undef KERNEL
130# endif
131#endif
132
133
134/* ----------------------------------------------------------------------- */
135/* S O L A R I S */
136/* ----------------------------------------------------------------------- */
137#if SOLARIS
138# define MENTAT 1
139# include <sys/cmn_err.h>
140# include <sys/isa_defs.h>
141# include <sys/stream.h>
142# include <sys/ioccom.h>
143# include <sys/sysmacros.h>
144# include <sys/kmem.h>
145# if SOLARIS2 >= 10
146# include <sys/procset.h>
147# include <sys/proc.h>
148# include <sys/devops.h>
149# include <sys/ddi_impldefs.h>
150# endif
151/*
152 * because Solaris 2 defines these in two places :-/
153 */
154# ifndef KERNEL
155# define _KERNEL
156# undef RES_INIT
157# endif /* _KERNEL */
158
159# if SOLARIS2 >= 8
160# include <netinet/ip6.h>
161# include <netinet/icmp6.h>
162# endif
163
164# include <inet/common.h>
165/* These 5 are defined in <inet/ip.h> and <netinet/ip.h> */
166# undef IPOPT_EOL
167# undef IPOPT_NOP
168# undef IPOPT_LSRR
169# undef IPOPT_RR
170# undef IPOPT_SSRR
171# ifdef i386
172# define _SYS_PROMIF_H
173# endif
174# include <inet/ip.h>
175# undef COPYOUT
176# include <inet/ip_ire.h>
177# ifndef KERNEL
178# undef _KERNEL
179# endif
180# if SOLARIS2 >= 8
181# define SNPRINTF snprintf
182
183# include <inet/ip_if.h>
184# define ipif_local_addr ipif_lcl_addr
185/* Only defined in private include file */
186# ifndef V4_PART_OF_V6
187# define V4_PART_OF_V6(v6) v6.s6_addr32[3]
188# endif
189struct ip6_ext {
190 u_char ip6e_nxt;
191 u_char ip6e_len;
192};
193# endif /* SOLARIS2 >= 8 */
194
195# if SOLARIS2 >= 6
196# include <sys/atomic.h>
197typedef uint32_t u_32_t;
198# else
199typedef unsigned int u_32_t;
200# endif
201# define U_32_T 1
202
203# ifdef _KERNEL
204# define KRWLOCK_T krwlock_t
205# define KMUTEX_T kmutex_t
206# include "qif.h"
207# include "pfil.h"
208# if SOLARIS2 >= 6
209# if SOLARIS2 == 6
210# define ATOMIC_INCL(x) atomic_add_long((uint32_t*)&(x), 1)
211# define ATOMIC_DECL(x) atomic_add_long((uint32_t*)&(x), -1)
212# else
213# define ATOMIC_INCL(x) atomic_add_long(&(x), 1)
214# define ATOMIC_DECL(x) atomic_add_long(&(x), -1)
215# endif /* SOLARIS2 == 6 */
216# define ATOMIC_INC64(x) atomic_add_64((uint64_t*)&(x), 1)
217# define ATOMIC_INC32(x) atomic_add_32((uint32_t*)&(x), 1)
218# define ATOMIC_INC16(x) atomic_add_16((uint16_t*)&(x), 1)
219# define ATOMIC_DEC64(x) atomic_add_64((uint64_t*)&(x), -1)
220# define ATOMIC_DEC32(x) atomic_add_32((uint32_t*)&(x), -1)
221# define ATOMIC_DEC16(x) atomic_add_16((uint16_t*)&(x), -1)
222# else
223# define ATOMIC_INC(x) { mutex_enter(&ipf_rw); (x)++; \
224 mutex_exit(&ipf_rw); }
225# define ATOMIC_DEC(x) { mutex_enter(&ipf_rw); (x)--; \
226 mutex_exit(&ipf_rw); }
227# endif /* SOLARIS2 >= 6 */
228# define USE_MUTEXES
229# define MUTEX_ENTER(x) mutex_enter(&(x)->ipf_lk)
230# define READ_ENTER(x) rw_enter(&(x)->ipf_lk, RW_READER)
231# define WRITE_ENTER(x) rw_enter(&(x)->ipf_lk, RW_WRITER)
232# define MUTEX_DOWNGRADE(x) rw_downgrade(&(x)->ipf_lk)
233# define RWLOCK_INIT(x, y) rw_init(&(x)->ipf_lk, (y), \
234 RW_DRIVER, NULL)
235# define RWLOCK_EXIT(x) rw_exit(&(x)->ipf_lk)
236# define RW_DESTROY(x) rw_destroy(&(x)->ipf_lk)
237# define MUTEX_INIT(x, y) mutex_init(&(x)->ipf_lk, (y), \
238 MUTEX_DRIVER, NULL)
239# define MUTEX_DESTROY(x) mutex_destroy(&(x)->ipf_lk)
240# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
241# define MUTEX_EXIT(x) mutex_exit(&(x)->ipf_lk)
242# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
243# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
244# define BCOPYIN(a,b,c) (void) copyin((caddr_t)(a), (caddr_t)(b), (c))
245# define BCOPYOUT(a,b,c) (void) copyout((caddr_t)(a), (caddr_t)(b), (c))
246# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
247# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
248# define KFREES(x,s) kmem_free((char *)(x), (s))
249# define SPL_NET(x) ;
250# define SPL_IMP(x) ;
251# undef SPL_X
252# define SPL_X(x) ;
253# ifdef sparc
254# define ntohs(x) (x)
255# define ntohl(x) (x)
256# define htons(x) (x)
257# define htonl(x) (x)
258# endif /* sparc */
259# define KMALLOC(a,b) (a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
260# define KMALLOCS(a,b,c) (a) = (b)kmem_alloc((c), KM_NOSLEEP)
261# define GET_MINOR(x) getminor(x)
262extern void *get_unit __P((char *, int));
263# define GETIFP(n, v) get_unit(n, v)
264# define IFNAME(x) ((qif_t *)x)->qf_name
265# define COPYIFNAME(x, b) \
266 (void) strncpy(b, ((qif_t *)x)->qf_name, \
267 LIFNAMSIZ)
268# define GETKTIME(x) uniqtime((struct timeval *)x)
269# define MSGDSIZE(x) msgdsize(x)
270# define M_LEN(x) ((x)->b_wptr - (x)->b_rptr)
271# define M_DUPLICATE(x) dupmsg((x))
272# define MTOD(m,t) ((t)((m)->b_rptr))
273# define MTYPE(m) ((m)->b_datap->db_type)
274# define FREE_MB_T(m) freemsg(m)
275# define m_next b_cont
276# define CACHE_HASH(x) (((qpktinfo_t *)(x)->fin_qpi)->qpi_num & 7)
277# define IPF_PANIC(x,y) if (x) { printf y; cmn_err(CE_PANIC, "ipf_panic"); }
278typedef mblk_t mb_t;
279# endif /* _KERNEL */
280
281# if (SOLARIS2 >= 7)
282# ifdef lint
283# define ALIGN32(ptr) (ptr ? 0L : 0L)
284# define ALIGN16(ptr) (ptr ? 0L : 0L)
285# else
286# define ALIGN32(ptr) (ptr)
287# define ALIGN16(ptr) (ptr)
288# endif
289# endif
290
291# if SOLARIS2 < 6
292typedef struct uio uio_t;
293# endif
294typedef int ioctlcmd_t;
295
296# define OS_RECOGNISED 1
297
298#endif /* SOLARIS */
299
300/* ----------------------------------------------------------------------- */
301/* H P U X */
302/* ----------------------------------------------------------------------- */
303#ifdef __hpux
304# define MENTAT 1
305# include <sys/sysmacros.h>
306# include <sys/spinlock.h>
307# include <sys/lock.h>
308# include <sys/stream.h>
309# ifdef USE_INET6
310# include <netinet/if_ether.h>
311# include <netinet/ip6.h>
312# include <netinet/icmp6.h>
313typedef struct ip6_hdr ip6_t;
314# endif
315
316# ifdef _KERNEL
317# define SNPRINTF sprintf
318# if (HPUXREV >= 1111)
319# define IPL_SELECT
320# ifdef IPL_SELECT
321# include <machine/sys/user.h>
322# include <sys/kthread_iface.h>
323# define READ_COLLISION 0x01
324
325typedef struct iplog_select_s {
326 kthread_t *read_waiter;
327 int state;
328} iplog_select_t;
329# endif
330# endif
331
332# define GETKTIME(x) uniqtime((struct timeval *)x)
333
334# if HPUXREV == 1111
335# include "kern_svcs.h"
336# else
337# include <sys/kern_svcs.h>
338# endif
339# undef ti_flags
340# undef TCP_NODELAY
341# undef TCP_MAXSEG
342# include <sys/reg.h>
343# include "../netinet/ip_info.h"
344/*
345 * According to /usr/include/sys/spinlock.h on HP-UX 11.00, these functions
346 * are available. Attempting to use them actually results in unresolved
347 * symbols when it comes time to load the module.
348 * This has been fixed! Yipee!
349 */
350# if 1
351# ifdef __LP64__
352# define ATOMIC_INCL(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), 1)
353# define ATOMIC_DECL(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), -1)
354# else
355# define ATOMIC_INCL(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), 1)
356# define ATOMIC_DECL(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), -1)
357# endif
358# define ATOMIC_INC64(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), 1)
359# define ATOMIC_INC32(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), 1)
360# define ATOMIC_INC16(x) lock_and_incr_int16(&ipf_rw.ipf_lk, &(x), 1)
361# define ATOMIC_DEC64(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), -1)
362# define ATOMIC_DEC32(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), -1)
363# define ATOMIC_DEC16(x) lock_and_incr_int16(&ipf_rw.ipf_lk, &(x), -1)
364# else /* 0 */
365# define ATOMIC_INC64(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
366 MUTEX_EXIT(&ipf_rw); }
367# define ATOMIC_DEC64(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
368 MUTEX_EXIT(&ipf_rw); }
369# define ATOMIC_INC32(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
370 MUTEX_EXIT(&ipf_rw); }
371# define ATOMIC_DEC32(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
372 MUTEX_EXIT(&ipf_rw); }
373# define ATOMIC_INCL(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
374 MUTEX_EXIT(&ipf_rw); }
375# define ATOMIC_DECL(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
376 MUTEX_EXIT(&ipf_rw); }
377# define ATOMIC_INC(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
378 MUTEX_EXIT(&ipf_rw); }
379# define ATOMIC_DEC(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
380 MUTEX_EXIT(&ipf_rw); }
381# endif
382# define ip_cksum ip_csuma
383# define memcpy(a,b,c) bcopy((caddr_t)b, (caddr_t)a, c)
384# define USE_MUTEXES
385# define MUTEX_INIT(x, y) initlock(&(x)->ipf_lk, 0, 0, (y))
386# define MUTEX_ENTER(x) spinlock(&(x)->ipf_lk)
387# define MUTEX_EXIT(x) spinunlock(&(x)->ipf_lk);
388# define MUTEX_DESTROY(x)
389# define MUTEX_NUKE(x) bzero((char *)(x), sizeof(*(x)))
390# define KMUTEX_T lock_t
391# define kmutex_t lock_t /* for pfil.h */
392# define krwlock_t lock_t /* for pfil.h */
393/*
394 * The read-write lock implementation in HP-UX 11.0 is crippled - it can
395 * only be used by threads working in a user context!
396 * This has been fixed! Yipee! (Or at least it does in 11.00, not 11.11..)
397 */
398# if HPUXREV < 1111
399# define MUTEX_DOWNGRADE(x) lock_write_to_read(x)
400# define KRWLOCK_T struct rw_lock
401# define READ_ENTER(x) lock_read(&(x)->ipf_lk)
402# define WRITE_ENTER(x) lock_write(&(x)->ipf_lk)
403# if HPUXREV >= 1111
404# define RWLOCK_INIT(x, y) rwlock_init4(&(x)->ipf_lk, 0, RWLCK_CANSLEEP, 0, y)
405# else
406# define RWLOCK_INIT(x, y) lock_init3(&(x)->ipf_lk, 0, 1, 0, 0, y)
407# endif
408# define RWLOCK_EXIT(x) lock_done(&(x)->ipf_lk)
409# else
410# define KRWLOCK_T lock_t
411# define KMUTEX_T lock_t
412# define READ_ENTER(x) MUTEX_ENTER(x)
413# define WRITE_ENTER(x) MUTEX_ENTER(x)
414# define MUTEX_DOWNGRADE(x)
415# define RWLOCK_INIT(x, y) initlock(&(x)->ipf_lk, 0, 0, y)
416# define RWLOCK_EXIT(x) MUTEX_EXIT(x)
417# endif
418# define RW_DESTROY(x)
419# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
420# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
421# if HPUXREV >= 1111
422# define BCOPYIN(a,b,c) 0; bcopy((caddr_t)(a), (caddr_t)(b), (c))
423# define BCOPYOUT(a,b,c) 0; bcopy((caddr_t)(a), (caddr_t)(b), (c))
424# else
425# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
426# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
427# endif
428# define SPL_NET(x) ;
429# define SPL_IMP(x) ;
430# undef SPL_X
431# define SPL_X(x) ;
432extern void *get_unit __P((char *, int));
433# define GETIFP(n, v) get_unit(n, v)
434# define IFNAME(x, b) ((ill_t *)x)->ill_name
435# define COPYIFNAME(x, b) \
436 (void) strncpy(b, ((qif_t *)x)->qf_name, \
437 LIFNAMSIZ)
438# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
439# define SLEEP(id, n) { lock_t *_l = get_sleep_lock((caddr_t)id); \
440 sleep(id, PZERO+1); \
441 spinunlock(_l); \
442 }
443# define WAKEUP(id,x) { lock_t *_l = get_sleep_lock((caddr_t)id); \
444 wakeup(id + x); \
445 spinunlock(_l); \
446 }
447# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), M_IOSYS, M_NOWAIT)
448# define KMALLOCS(a, b, c) MALLOC((a), b, (c), M_IOSYS, M_NOWAIT)
449# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
450# define KFREES(x,s) kmem_free((char *)(x), (s))
451# define MSGDSIZE(x) msgdsize(x)
452# define M_LEN(x) ((x)->b_wptr - (x)->b_rptr)
453# define M_DUPLICATE(x) dupmsg((x))
454# define MTOD(m,t) ((t)((m)->b_rptr))
455# define MTYPE(m) ((m)->b_datap->db_type)
456# define FREE_MB_T(m) freemsg(m)
457# define m_next b_cont
458# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
459typedef mblk_t mb_t;
460
461# define CACHE_HASH(x) (((qpktinfo_t *)(x)->fin_qpi)->qpi_num & 7)
462
463# include "qif.h"
464# include "pfil.h"
465
466# else /* _KERNEL */
467
468typedef unsigned char uchar_t;
469
470# ifndef _SYS_STREAM_INCLUDED
471typedef char * mblk_t;
472typedef void * queue_t;
473typedef u_long ulong;
474# endif
475# include <netinet/ip_info.h>
476
477# endif /* _KERNEL */
478
479# ifdef lint
480# define ALIGN32(ptr) (ptr ? 0L : 0L)
481# define ALIGN16(ptr) (ptr ? 0L : 0L)
482# else
483# define ALIGN32(ptr) (ptr)
484# define ALIGN16(ptr) (ptr)
485# endif
486
487typedef struct uio uio_t;
488typedef int ioctlcmd_t;
489typedef int minor_t;
490typedef unsigned int u_32_t;
491# define U_32_T 1
492
493# define OS_RECOGNISED 1
494
495#endif /* __hpux */
496
497/* ----------------------------------------------------------------------- */
498/* I R I X */
499/* ----------------------------------------------------------------------- */
500#ifdef __sgi
501# undef MENTAT
502# if IRIX < 60500
503typedef struct uio uio_t;
504# endif
505typedef int ioctlcmd_t;
506typedef u_int32_t u_32_t;
507# define U_32_T 1
508
509# ifdef INET6
510# define USE_INET6
511# endif
512
513# define hz HZ
514# include <sys/ksynch.h>
515# define IPF_LOCK_PL plhi
516# include <sys/sema.h>
517# undef kmutex_t
518typedef struct {
519 lock_t *l;
520 int pl;
521} kmutex_t;
522
523# ifdef MUTEX_INIT
524# define KMUTEX_T mutex_t
525# else
526# define KMUTEX_T kmutex_t
527# define KRWLOCK_T kmutex_t
528# endif
529
530# ifdef _KERNEL
531# define ATOMIC_INC(x) { MUTEX_ENTER(&ipf_rw); \
532 (x)++; MUTEX_EXIT(&ipf_rw); }
533# define ATOMIC_DEC(x) { MUTEX_ENTER(&ipf_rw); \
534 (x)--; MUTEX_EXIT(&ipf_rw); }
535# define USE_MUTEXES
536# ifdef MUTEX_INIT
537# include <sys/atomic_ops.h>
538# define ATOMIC_INCL(x) atomicAddUlong(&(x), 1)
539# define ATOMIC_INC64(x) atomicAddUint64(&(x), 1)
540# define ATOMIC_INC32(x) atomicAddUint(&(x), 1)
541# define ATOMIC_INC16 ATOMIC_INC
542# define ATOMIC_DECL(x) atomicAddUlong(&(x), -1)
543# define ATOMIC_DEC64(x) atomicAddUint64(&(x), -1)
544# define ATOMIC_DEC32(x) atomicAddUint(&(x), -1)
545# define ATOMIC_DEC16 ATOMIC_DEC
546# undef MUTEX_INIT
547# define MUTEX_INIT(x, y) mutex_init(&(x)->ipf_lk, \
548 MUTEX_DEFAULT, y)
549# undef MUTEX_ENTER
550# define MUTEX_ENTER(x) mutex_lock(&(x)->ipf_lk, 0)
551# undef MUTEX_EXIT
552# define MUTEX_EXIT(x) mutex_unlock(&(x)->ipf_lk)
553# undef MUTEX_DESTROY
554# define MUTEX_DESTROY(x) mutex_destroy(&(x)->ipf_lk)
555# define MUTEX_DOWNGRADE(x) mrdemote(&(x)->ipf_lk)
556# define KRWLOCK_T mrlock_t
557# define RWLOCK_INIT(x, y) mrinit(&(x)->ipf_lk, y)
558# undef RW_DESTROY
559# define RW_DESTROY(x) mrfree(&(x)->ipf_lk)
560# define READ_ENTER(x) RW_RDLOCK(&(x)->ipf_lk)
561# define WRITE_ENTER(x) RW_WRLOCK(&(x)->ipf_lk)
562# define RWLOCK_EXIT(x) RW_UNLOCK(&(x)->ipf_lk)
563# else
564# define READ_ENTER(x) MUTEX_ENTER(&(x)->ipf_lk)
565# define WRITE_ENTER(x) MUTEX_ENTER(&(x)->ipf_lk)
566# define MUTEX_DOWNGRADE(x) ;
567# define RWLOCK_EXIT(x) MUTEX_EXIT(&(x)->ipf_lk)
568# define MUTEX_EXIT(x) UNLOCK((x)->ipf_lk.l, (x)->ipf_lk.pl);
569# define MUTEX_INIT(x,y) (x)->ipf_lk.l = LOCK_ALLOC((uchar_t)-1, IPF_LOCK_PL, (lkinfo_t *)-1, KM_NOSLEEP)
570# define MUTEX_DESTROY(x) LOCK_DEALLOC((x)->ipf_lk.l)
571# define MUTEX_ENTER(x) (x)->ipf_lk.pl = LOCK((x)->ipf_lk.l, \
572 IPF_LOCK_PL);
573# endif
574# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
575# define FREE_MB_T(m) m_freem(m)
576# define MTOD(m,t) mtod(m,t)
577# define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
578# define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
579# define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
580# define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
581# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
582# define SLEEP(id, n) sleep((id), PZERO+1)
583# define WAKEUP(id,x) wakeup(id+x)
584# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
585# define KFREES(x,s) kmem_free((char *)(x), (s))
586# define GETIFP(n,v) ifunit(n)
587# include <sys/kmem.h>
588# include <sys/ddi.h>
589# define KMALLOC(a,b) (a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
590# define KMALLOCS(a,b,c) (a) = (b)kmem_alloc((c), KM_NOSLEEP)
591# define GET_MINOR(x) getminor(x)
592# define USE_SPL 1
593# define SPL_IMP(x) (x) = splimp()
594# define SPL_NET(x) (x) = splnet()
595# define SPL_X(x) (void) splx(x)
596extern void m_copydata __P((struct mbuf *, int, int, caddr_t));
597extern void m_copyback __P((struct mbuf *, int, int, caddr_t));
598# define MSGDSIZE(x) mbufchainlen(x)
599# define M_LEN(x) (x)->m_len
600# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
601# define GETKTIME(x) microtime((struct timeval *)x)
602# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
603 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
604# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
605typedef struct mbuf mb_t;
606# else
607# undef RW_DESTROY
608# undef MUTEX_INIT
609# undef MUTEX_DESTROY
610# endif /* _KERNEL */
611
612# define OS_RECOGNISED 1
613
614#endif /* __sgi */
615
616/* ----------------------------------------------------------------------- */
617/* T R U 6 4 */
618/* ----------------------------------------------------------------------- */
619#ifdef __osf__
620# undef MENTAT
621
622# include <kern/lock.h>
623# include <sys/sysmacros.h>
624
625# ifdef _KERNEL
626# define KMUTEX_T simple_lock_data_t
627# define KRWLOCK_T lock_data_t
628# include <net/net_globals.h>
629# define USE_MUTEXES
630# define READ_ENTER(x) lock_read(&(x)->ipf_lk)
631# define WRITE_ENTER(x) lock_write(&(x)->ipf_lk)
632# define MUTEX_DOWNGRADE(x) lock_write_to_read(&(x)->ipf_lk)
633# define RWLOCK_INIT(x, y) lock_init(&(x)->ipf_lk, TRUE)
634# define RWLOCK_EXIT(x) lock_done(&(x)->ipf_lk)
635# define RW_DESTROY(x) lock_terminate(&(x)->ipf_lk)
636# define MUTEX_ENTER(x) simple_lock(&(x)->ipf_lk)
637# define MUTEX_INIT(x, y) simple_lock_init(&(x)->ipf_lk)
638# define MUTEX_DESTROY(x) simple_lock_terminate(&(x)->ipf_lk)
639# define MUTEX_EXIT(x) simple_unlock(&(x)->ipf_lk)
640# define MUTEX_NUKE(x) bzero(x, sizeof(*(x)))
641# define ATOMIC_INC64(x) atomic_incq((uint64_t*)&(x))
642# define ATOMIC_DEC64(x) atomic_decq((uint64_t*)&(x))
643# define ATOMIC_INC32(x) atomic_incl((uint32_t*)&(x))
644# define ATOMIC_DEC32(x) atomic_decl((uint32_t*)&(x))
645# define ATOMIC_INC16(x) { simple_lock(&ipf_rw); (x)++; \
646 simple_unlock(&ipf_rw); }
647# define ATOMIC_DEC16(x) { simple_lock(&ipf_rw); (x)--; \
648 simple_unlock(&ipf_rw); }
649# define ATOMIC_INCL(x) atomic_incl((uint32_t*)&(x))
650# define ATOMIC_DECL(x) atomic_decl((uint32_t*)&(x))
651# define ATOMIC_INC(x) { simple_lock(&ipf_rw); (x)++; \
652 simple_unlock(&ipf_rw); }
653# define ATOMIC_DEC(x) { simple_lock(&ipf_rw); (x)--; \
654 simple_unlock(&ipf_rw); }
655# define SPL_NET(x) ;
656# define SPL_IMP(x) ;
657# undef SPL_X
658# define SPL_X(x) ;
659# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a, b, d)
660# define FREE_MB_T(m) m_freem(m)
661# define MTOD(m,t) mtod(m,t)
662# define GETIFP(n, v) ifunit(n)
663# define GET_MINOR getminor
664# define WAKEUP(id,x) wakeup(id + x)
665# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
666# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
667# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
668# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
669# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), M_PFILT, M_NOWAIT)
670# define KMALLOCS(a, b, c) MALLOC((a), b, (c), M_PFILT, \
671 ((c) > 4096) ? M_WAITOK : M_NOWAIT)
672# define KFREE(x) FREE((x), M_PFILT)
673# define KFREES(x,s) FREE((x), M_PFILT)
674# define MSGDSIZE(x) mbufchainlen(x)
675# define M_LEN(x) (x)->m_len
676# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
677# define GETKTIME(x) microtime((struct timeval *)x)
678# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
679 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
680# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
681typedef struct mbuf mb_t;
682# endif /* _KERNEL */
683
684# if (defined(_KERNEL) || defined(_NO_BITFIELDS) || (__STDC__ == 1))
685# define IP_V(x) ((x)->ip_vhl >> 4)
686# define IP_HL(x) ((x)->ip_vhl & 0xf)
687# define IP_V_A(x,y) (x)->ip_vhl |= (((y) << 4) & 0xf0)
688# define IP_HL_A(x,y) (x)->ip_vhl |= ((y) & 0xf)
689# define TCP_X2(x) ((x)->th_xoff & 0xf)
690# define TCP_X2_A(x,y) (x)->th_xoff |= ((y) & 0xf)
691# define TCP_OFF(x) ((x)->th_xoff >> 4)
692# define TCP_OFF_A(x,y) (x)->th_xoff |= (((y) << 4) & 0xf0)
693# endif
694
695/*
696 * These are from's Solaris' #defines for little endian.
697 */
698#define IP6F_MORE_FRAG 0x0100
699#define IP6F_RESERVED_MASK 0x0600
700#define IP6F_OFF_MASK 0xf8ff
701
702struct ip6_ext {
703 u_char ip6e_nxt;
704 u_char ip6e_len;
705};
706
707typedef int ioctlcmd_t;
708/*
709 * Really, any arch where sizeof(long) != sizeof(int).
710 */
711typedef unsigned int u_32_t;
712# define U_32_T 1
713
714# define OS_RECOGNISED 1
715#endif /* __osf__ */
716
717/* ----------------------------------------------------------------------- */
718/* N E T B S D */
719/* ----------------------------------------------------------------------- */
720#ifdef __NetBSD__
721# if defined(_KERNEL) && !defined(IPFILTER_LKM)
722# include "bpfilter.h"
723# if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 104110000)
724# include "opt_inet.h"
725# endif
726# ifdef INET6
727# define USE_INET6
728# endif
729# if (__NetBSD_Version__ >= 105000000)
730# define HAVE_M_PULLDOWN 1
731# endif
732# endif
733
734# ifdef _KERNEL
735# define MSGDSIZE(x) mbufchainlen(x)
736# define M_LEN(x) (x)->m_len
737# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
738# define GETKTIME(x) microtime((struct timeval *)x)
739# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
740# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
741# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
742# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
743# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
744typedef struct mbuf mb_t;
745# endif /* _KERNEL */
746# if (NetBSD <= 1991011) && (NetBSD >= 199606)
747# define IFNAME(x) ((struct ifnet *)x)->if_xname
748# define COPYIFNAME(x, b) \
749 (void) strncpy(b, \
750 ((struct ifnet *)x)->if_xname, \
751 LIFNAMSIZ)
752# define CACHE_HASH(x) ((((struct ifnet *)fin->fin_ifp)->if_index)&7)
753# else
754# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
755 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
756# endif
757
758typedef struct uio uio_t;
759typedef u_long ioctlcmd_t;
760typedef int minor_t;
761typedef u_int32_t u_32_t;
762# define U_32_T 1
763
764# define OS_RECOGNISED 1
765#endif /* __NetBSD__ */
766
767
768/* ----------------------------------------------------------------------- */
769/* F R E E B S D */
770/* ----------------------------------------------------------------------- */
771#ifdef __FreeBSD__
772# if defined(_KERNEL) && !defined(IPFILTER_LKM) && !defined(KLD_MODULE)
773# if (__FreeBSD_version >= 500000)
774# include "opt_bpf.h"
775# else
776# include "bpf.h"
777# endif
778# if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000)
779# include "opt_inet6.h"
780# endif
781# if defined(INET6) && !defined(USE_INET6)
782# define USE_INET6
783# endif
784# endif
785
786# if defined(_KERNEL)
787# if (__FreeBSD_version >= 400000)
788/*
789 * When #define'd, the 5.2.1 kernel panics when used with the ftp proxy.
790 * There may be other, safe, kernels but this is not extensively tested yet.
791 */
792# define HAVE_M_PULLDOWN
793# endif
794# if !defined(IPFILTER_LKM) && (__FreeBSD_version >= 300000)
795# include "opt_ipfilter.h"
796# endif
797# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
798# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
799# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
800# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
801
802# if (__FreeBSD_version >= 500043)
803# define NETBSD_PF
804# endif
805# endif /* _KERNEL */
806
807# if (__FreeBSD_version >= 500043)
808# include <sys/mutex.h>
809# include <sys/sx.h>
810/*
811 * Whilst the sx(9) locks on FreeBSD have the right semantics and interface
812 * for what we want to use them for, despite testing showing they work -
813 * with a WITNESS kernel, it generates LOR messages.
814 */
815# define KMUTEX_T struct mtx
816# if 1
817# define KRWLOCK_T struct mtx
818# else
819# define KRWLOCK_T struct sx
820# endif
821# endif
822
823# if (__FreeBSD_version >= 501113)
824# include <net/if_var.h>
825# define IFNAME(x) ((struct ifnet *)x)->if_xname
826# define COPYIFNAME(x, b) \
827 (void) strncpy(b, \
828 ((struct ifnet *)x)->if_xname, \
829 LIFNAMSIZ)
830# endif
831# if (__FreeBSD_version >= 500043)
832# define CACHE_HASH(x) ((((struct ifnet *)fin->fin_ifp)->if_index) & 7)
833# else
834# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
835 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
836# endif
837
838# ifdef _KERNEL
839# define GETKTIME(x) microtime((struct timeval *)x)
840
841# if (__FreeBSD_version >= 500002)
842# include <netinet/in_systm.h>
843# include <netinet/ip.h>
844# include <machine/in_cksum.h>
845# endif
846
847# if (__FreeBSD_version >= 500043)
848# define USE_MUTEXES
849# define MUTEX_ENTER(x) mtx_lock(&(x)->ipf_lk)
850# define MUTEX_EXIT(x) mtx_unlock(&(x)->ipf_lk)
851# define MUTEX_INIT(x,y) mtx_init(&(x)->ipf_lk, (y), NULL,\
852 MTX_DEF)
853# define MUTEX_DESTROY(x) mtx_destroy(&(x)->ipf_lk)
854# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
855/*
856 * Whilst the sx(9) locks on FreeBSD have the right semantics and interface
857 * for what we want to use them for, despite testing showing they work -
858 * with a WITNESS kernel, it generates LOR messages.
859 */
860# if 1
861# define READ_ENTER(x) mtx_lock(&(x)->ipf_lk)
862# define WRITE_ENTER(x) mtx_lock(&(x)->ipf_lk)
863# define RWLOCK_EXIT(x) mtx_unlock(&(x)->ipf_lk)
864# define MUTEX_DOWNGRADE(x) ;
865# define RWLOCK_INIT(x,y) mtx_init(&(x)->ipf_lk, (y), NULL,\
866 MTX_DEF)
867# define RW_DESTROY(x) mtx_destroy(&(x)->ipf_lk)
868# else
869# define READ_ENTER(x) sx_slock(&(x)->ipf_lk)
870# define WRITE_ENTER(x) sx_xlock(&(x)->ipf_lk)
871# define MUTEX_DOWNGRADE(x) sx_downgrade(&(x)->ipf_lk)
872# define RWLOCK_INIT(x, y) sx_init(&(x)->ipf_lk, (y))
873# define RW_DESTROY(x) sx_destroy(&(x)->ipf_lk)
874# ifdef sx_unlock
875# define RWLOCK_EXIT(x) sx_unlock(x)
876# else
877# define RWLOCK_EXIT(x) do { \
878 if ((x)->ipf_lk.sx_cnt < 0) \
879 sx_xunlock(&(x)->ipf_lk); \
880 else \
881 sx_sunlock(&(x)->ipf_lk); \
882 } while (0)
883# endif
884# endif
885# include <machine/atomic.h>
886# define ATOMIC_INC(x) { mtx_lock(&ipf_rw.ipf_lk); (x)++; \
887 mtx_unlock(&ipf_rw.ipf_lk); }
888# define ATOMIC_DEC(x) { mtx_lock(&ipf_rw.ipf_lk); (x)--; \
889 mtx_unlock(&ipf_rw.ipf_lk); }
890# define ATOMIC_INCL(x) atomic_add_long(&(x), 1)
891# define ATOMIC_INC64(x) ATOMIC_INC(x)
892# define ATOMIC_INC32(x) atomic_add_32(&(x), 1)
893# define ATOMIC_INC16(x) atomic_add_16(&(x), 1)
894# define ATOMIC_DECL(x) atomic_add_long(&(x), -1)
895# define ATOMIC_DEC64(x) ATOMIC_DEC(x)
896# define ATOMIC_DEC32(x) atomic_add_32(&(x), -1)
897# define ATOMIC_DEC16(x) atomic_add_16(&(x), -1)
898# define SPL_X(x) ;
899# define SPL_NET(x) ;
900# define SPL_IMP(x) ;
901extern int in_cksum __P((struct mbuf *, int));
902# endif /* __FreeBSD_version >= 500043 */
903# define MSGDSIZE(x) mbufchainlen(x)
904# define M_LEN(x) (x)->m_len
905# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
906# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
907typedef struct mbuf mb_t;
908# endif /* _KERNEL */
909
910# if __FreeBSD__ < 3
911# include <machine/spl.h>
912# else
913# if __FreeBSD__ == 3
914# if defined(IPFILTER_LKM) && !defined(ACTUALLY_LKM_NOT_KERNEL)
915# define ACTUALLY_LKM_NOT_KERNEL
916# endif
917# endif
918# endif
919
920# if (__FreeBSD_version >= 300000)
921typedef u_long ioctlcmd_t;
922# else
923typedef int ioctlcmd_t;
924# endif
925typedef struct uio uio_t;
926typedef int minor_t;
927typedef u_int32_t u_32_t;
928# define U_32_T 1
929
930# define OS_RECOGNISED 1
931#endif /* __FreeBSD__ */
932
933
934/* ----------------------------------------------------------------------- */
935/* O P E N B S D */
936/* ----------------------------------------------------------------------- */
937#ifdef __OpenBSD__
938# ifdef INET6
939# define USE_INET6
940# endif
941
942# ifdef _KERNEL
943# if !defined(IPFILTER_LKM)
944# include "bpfilter.h"
945# endif
946# if (OpenBSD >= 200311)
947# define SNPRINTF snprintf
948# if defined(USE_INET6)
949# include "netinet6/in6_var.h"
950# include "netinet6/nd6.h"
951# endif
952# endif
953# if (OpenBSD >= 200012)
954# define HAVE_M_PULLDOWN 1
955# endif
956# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
957# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
958# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
959# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
960# define GETKTIME(x) microtime((struct timeval *)x)
961# define MSGDSIZE(x) mbufchainlen(x)
962# define M_LEN(x) (x)->m_len
963# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
964# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
965typedef struct mbuf mb_t;
966# endif /* _KERNEL */
967# if (OpenBSD >= 199603)
968# define IFNAME(x, b) ((struct ifnet *)x)->if_xname
969# define COPYIFNAME(x, b) \
970 (void) strncpy(b, \
971 ((struct ifnet *)x)->if_xname, \
972 LIFNAMSIZ)
973# define CACHE_HASH(x) ((((struct ifnet *)fin->fin_ifp)->if_index)&7)
974# else
975# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
976 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
977# endif
978
979typedef struct uio uio_t;
980typedef u_long ioctlcmd_t;
981typedef int minor_t;
982typedef u_int32_t u_32_t;
983# define U_32_T 1
984
985# define OS_RECOGNISED 1
986#endif /* __OpenBSD__ */
987
988
989/* ----------------------------------------------------------------------- */
990/* B S D O S */
991/* ----------------------------------------------------------------------- */
992#ifdef _BSDI_VERSION
993# ifdef INET6
994# define USE_INET6
995# endif
996
997# ifdef _KERNEL
998# define GETKTIME(x) microtime((struct timeval *)x)
999# define MSGDSIZE(x) mbufchainlen(x)
1000# define M_LEN(x) (x)->m_len
1001# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
1002# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1003 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1004typedef struct mbuf mb_t;
1005# endif /* _KERNEL */
1006
1007# if (_BSDI_VERSION >= 199701)
1008typedef u_long ioctlcmd_t;
1009# else
1010typedef int ioctlcmd_t;
1011# endif
1012typedef u_int32_t u_32_t;
1013# define U_32_T 1
1014
1015#endif /* _BSDI_VERSION */
1016
1017
1018/* ----------------------------------------------------------------------- */
1019/* S U N O S 4 */
1020/* ----------------------------------------------------------------------- */
1021#if defined(sun) && !defined(OS_RECOGNISED) /* SunOS4 */
1022# ifdef _KERNEL
1023# include <sys/kmem_alloc.h>
1024# define GETKTIME(x) uniqtime((struct timeval *)x)
1025# define MSGDSIZE(x) mbufchainlen(x)
1026# define M_LEN(x) (x)->m_len
1027# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
1028# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1029 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1030# define GETIFP(n, v) ifunit(n, IFNAMSIZ)
1031# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
1032# define KFREES(x,s) kmem_free((char *)(x), (s))
1033# define SLEEP(id, n) sleep((id), PZERO+1)
1034# define WAKEUP(id,x) wakeup(id + x)
1035# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
1036# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
1037
1038extern void m_copydata __P((struct mbuf *, int, int, caddr_t));
1039extern void m_copyback __P((struct mbuf *, int, int, caddr_t));
1040
1041typedef struct mbuf mb_t;
1042# endif
1043
1044typedef struct uio uio_t;
1045typedef int ioctlcmd_t;
1046typedef int minor_t;
1047typedef unsigned int u_32_t;
1048# define U_32_T 1
1049
1050# define OS_RECOGNISED 1
1051
1052#endif /* SunOS 4 */
1053
1054/* ----------------------------------------------------------------------- */
1055/* L I N U X */
1056/* ----------------------------------------------------------------------- */
1057#if defined(linux) && !defined(OS_RECOGNISED)
1058#include <linux/config.h>
1059#include <linux/version.h>
1060# if LINUX >= 20600
1061# define HDR_T_PRIVATE 1
1062# endif
1063# undef USE_INET6
1064# ifdef USE_INET6
1065struct ip6_ext {
1066 u_char ip6e_nxt;
1067 u_char ip6e_len;
1068};
1069# endif
1070
1071# ifdef _KERNEL
1072# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
1073# define BCOPYIN(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
1074# define BCOPYOUT(a,b,c) bcopy((caddr_t)(a), (caddr_t)(b), (c))
1075# define COPYIN(a,b,c) copy_from_user((caddr_t)(b), (caddr_t)(a), (c))
1076# define COPYOUT(a,b,c) copy_to_user((caddr_t)(b), (caddr_t)(a), (c))
1077# define FREE_MB_T(m) kfree_skb(m)
1078# define GETKTIME(x) do_gettimeofday((struct timeval *)x)
1079# define SLEEP(x,s) 0, interruptible_sleep_on(x##_linux)
1080# define WAKEUP(x,y) wake_up(x##_linux + y)
1081# define UIOMOVE(a,b,c,d) uiomove(a,b,c,d)
1082# define USE_MUTEXES
1083# define KRWLOCK_T rwlock_t
1084# define KMUTEX_T spinlock_t
1085# define MUTEX_INIT(x,y) spin_lock_init(&(x)->ipf_lk)
1086# define MUTEX_ENTER(x) spin_lock(&(x)->ipf_lk)
1087# define MUTEX_EXIT(x) spin_unlock(&(x)->ipf_lk)
1088# define MUTEX_DESTROY(x) do { } while (0)
1089# define MUTEX_NUKE(x) bzero(&(x)->ipf_lk, sizeof((x)->ipf_lk))
1090# define READ_ENTER(x) ipf_read_enter(x)
1091# define WRITE_ENTER(x) ipf_write_enter(x)
1092# define RWLOCK_INIT(x,y) rwlock_init(&(x)->ipf_lk)
1093# define RW_DESTROY(x) do { } while (0)
1094# define RWLOCK_EXIT(x) ipf_rw_exit(x)
1095# define MUTEX_DOWNGRADE(x) ipf_rw_downgrade(x)
1096# define ATOMIC_INCL(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1097 MUTEX_EXIT(&ipf_rw)
1098# define ATOMIC_DECL(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1099 MUTEX_EXIT(&ipf_rw)
1100# define ATOMIC_INC64(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1101 MUTEX_EXIT(&ipf_rw)
1102# define ATOMIC_INC32(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1103 MUTEX_EXIT(&ipf_rw)
1104# define ATOMIC_INC16(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1105 MUTEX_EXIT(&ipf_rw)
1106# define ATOMIC_DEC64(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1107 MUTEX_EXIT(&ipf_rw)
1108# define ATOMIC_DEC32(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1109 MUTEX_EXIT(&ipf_rw)
1110# define ATOMIC_DEC16(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1111 MUTEX_EXIT(&ipf_rw)
1112# define SPL_IMP(x) do { } while (0)
1113# define SPL_NET(x) do { } while (0)
1114# define SPL_X(x) do { } while (0)
1115# define IFNAME(x) ((struct net_device*)x)->name
1116# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1117 ((struct net_device *)fin->fin_ifp)->ifindex) & 7)
1118typedef struct sk_buff mb_t;
1119extern void m_copydata __P((mb_t *, int, int, caddr_t));
1120extern void m_copyback __P((mb_t *, int, int, caddr_t));
1121extern void m_adj __P((mb_t *, int));
1122extern mb_t *m_pullup __P((mb_t *, int));
1123# define mbuf sk_buff
1124
1125# define mtod(m, t) ((t)(m)->data)
1126# define m_len len
1127# define m_next next
1128# define M_DUPLICATE(m) skb_clone((m), in_interrupt() ? GFP_ATOMIC : \
1129 GFP_KERNEL)
1130# define MSGDSIZE(m) (m)->len
1131# define M_LEN(m) (m)->len
1132
1133# define splnet(x) ;
1134# define printf printk
1135# define bcopy(s,d,z) memmove(d, s, z)
1136# define bzero(s,z) memset(s, 0, z)
1137# define bcmp(a,b,z) memcmp(a, b, z)
1138
1139# define ifnet net_device
1140# define if_xname name
1141# define if_unit ifindex
1142
1143# define KMALLOC(x,t) (x) = (t)kmalloc(sizeof(*(x)), \
1144 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
1145# define KFREE(x) kfree(x)
1146# define KMALLOCS(x,t,s) (x) = (t)kmalloc((s), \
1147 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
1148# define KFREES(x,s) kfree(x)
1149
1150# define GETIFP(n,v) dev_get_by_name(n)
1151
1152# else
1153# include <net/ethernet.h>
1154
1155struct mbuf {
1156};
1157
1158# ifndef _NET_ROUTE_H
1159struct rtentry {
1160};
1161# endif
1162
1163struct ifnet {
1164 char if_xname[IFNAMSIZ];
1165 int if_unit;
1166 int (* if_output) __P((struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *));
1167 struct ifaddr *if_addrlist;
1168};
1169# define IFNAME(x) ((struct ifnet *)x)->if_xname
1170
1171# endif /* _KERNEL */
1172
1173# define COPYIFNAME(x, b) \
1174 (void) strncpy(b, \
1175 ((struct ifnet *)x)->if_xname, \
1176 LIFNAMSIZ)
1177
1178# include <linux/fs.h>
1179# define FWRITE FMODE_WRITE
1180# define FREAD FMODE_READ
1181
1182# define __USE_MISC 1
1183# define __FAVOR_BSD 1
1184
1185typedef struct uio {
1186 struct iovec *uio_iov;
1187 void *uio_file;
1188 char *uio_buf;
1189 int uio_iovcnt;
1190 int uio_offset;
1191 size_t uio_resid;
1192 int uio_rw;
1193} uio_t;
1194
1195extern int uiomove __P((caddr_t, size_t, int, struct uio *));
1196
1197# define UIO_READ 1
1198# define UIO_WRITE 2
1199
1200typedef u_long ioctlcmd_t;
1201typedef int minor_t;
1202typedef u_int32_t u_32_t;
1203# define U_32_T 1
1204
1205# define OS_RECOGNISED 1
1206
1207#endif
1208
1209
1210#ifndef OS_RECOGNISED
1211#error ip_compat.h does not recognise this platform/OS.
1212#endif
1213
1214
1215/* ----------------------------------------------------------------------- */
1216/* G E N E R I C */
1217/* ----------------------------------------------------------------------- */
1218#ifndef OS_RECOGNISED
1219#endif
1220
1221/*
1222 * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in
1223 * filter rules.
1224 */
1225#if !defined(IPFILTER_BPF) && ((NBPF > 0) || (NBPFILTER > 0))
1226# define IPFILTER_BPF
1227#endif
1228
1229/*
1230 * Userland locking primitives
1231 */
1232typedef struct {
1233 char *eMm_owner;
1234 char *eMm_heldin;
1235 u_int eMm_magic;
1236 int eMm_held;
1237 int eMm_heldat;
1238#ifdef __hpux
1239 char eMm_fill[8];
1240#endif
1241} eMmutex_t;
1242
1243typedef struct {
1244 char *eMrw_owner;
1245 char *eMrw_heldin;
1246 u_int eMrw_magic;
1247 short eMrw_read;
1248 short eMrw_write;
1249 int eMrw_heldat;
1250#ifdef __hpux
1251 char eMm_fill[24];
1252#endif
1253} eMrwlock_t;
1254
1255typedef union {
1256#ifdef KMUTEX_T
1257 struct {
1258 KMUTEX_T ipf_slk;
1259 char *ipf_lname;
1260 } ipf_lkun_s;
1261#endif
1262 eMmutex_t ipf_emu;
1263} ipfmutex_t;
1264
1265typedef union {
1266#ifdef KRWLOCK_T
1267 struct {
1268 KRWLOCK_T ipf_slk;
1269 char *ipf_lname;
1270 int ipf_sr;
1271 int ipf_sw;
1272 u_int ipf_magic;
1273 } ipf_lkun_s;
1274#endif
1275 eMrwlock_t ipf_emu;
1276} ipfrwlock_t;
1277
1278#define ipf_lk ipf_lkun_s.ipf_slk
1279#define ipf_lname ipf_lkun_s.ipf_lname
1280#define ipf_isr ipf_lkun_s.ipf_sr
1281#define ipf_isw ipf_lkun_s.ipf_sw
1282#define ipf_magic ipf_lkun_s.ipf_magic
1283
1284#if !defined(__GNUC__) || \
1285 (defined(__FreeBSD_version) && (__FreeBSD_version >= 503000))
1286# ifndef INLINE
1287# define INLINE
1288# endif
1289#else
1290# define INLINE __inline__
1291#endif
1292
1293#if defined(linux) && defined(_KERNEL)
1294extern INLINE void ipf_read_enter __P((ipfrwlock_t *));
1295extern INLINE void ipf_write_enter __P((ipfrwlock_t *));
1296extern INLINE void ipf_rw_exit __P((ipfrwlock_t *));
1297extern INLINE void ipf_rw_downgrade __P((ipfrwlock_t *));
1298#endif
1299
1300/*
1301 * In a non-kernel environment, there are a lot of macros that need to be
1302 * filled in to be null-ops or to point to some compatibility function,
1303 * somewhere in userland.
1304 */
1305#ifndef _KERNEL
1306typedef struct mb_s {
1307 struct mb_s *mb_next;
1308 int mb_len;
1309 u_long mb_buf[2048];
1310} mb_t;
1311# undef m_next
1312# define m_next mb_next
1313# define MSGDSIZE(x) (x)->mb_len /* XXX - from ipt.c */
1314# define M_LEN(x) (x)->mb_len
1315# define M_DUPLICATE(x) (x)
1316# define GETKTIME(x) gettimeofday((struct timeval *)(x), NULL)
1317# define MTOD(m, t) ((t)(m)->mb_buf)
1318# define FREE_MB_T(x)
1319# define SLEEP(x,y) 1;
1320# define WAKEUP(x,y) ;
1321# define IPF_PANIC(x,y) ;
1322# define PANIC(x,y) ;
1323# define SPL_NET(x) ;
1324# define SPL_IMP(x) ;
1325# define SPL_X(x) ;
1326# define KMALLOC(a,b) (a) = (b)malloc(sizeof(*a))
1327# define KMALLOCS(a,b,c) (a) = (b)malloc(c)
1328# define KFREE(x) free(x)
1329# define KFREES(x,s) free(x)
1330# define GETIFP(x, v) get_unit(x,v)
1331# define COPYIN(a,b,c) (bcopy((a), (b), (c)), 0)
1332# define COPYOUT(a,b,c) (bcopy((a), (b), (c)), 0)
1333# define BCOPYIN(a,b,c) (bcopy((a), (b), (c)), 0)
1334# define BCOPYOUT(a,b,c) (bcopy((a), (b), (c)), 0)
1335# define COPYDATA(m, o, l, b) bcopy(MTOD((mb_t *)m, char *) + (o), \
1336 (b), (l))
1337# define COPYBACK(m, o, l, b) bcopy((b), \
1338 MTOD((mb_t *)m, char *) + (o), \
1339 (l))
1340# define UIOMOVE(a,b,c,d) ipfuiomove(a,b,c,d)
1341extern void m_copydata __P((mb_t *, int, int, caddr_t));
1342extern int ipfuiomove __P((caddr_t, int, int, struct uio *));
1343# ifndef CACHE_HASH
1344# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1345 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1346# endif
1347
1348# define MUTEX_DESTROY(x) eMmutex_destroy(&(x)->ipf_emu)
1349# define MUTEX_ENTER(x) eMmutex_enter(&(x)->ipf_emu, \
1350 __FILE__, __LINE__)
1351# define MUTEX_EXIT(x) eMmutex_exit(&(x)->ipf_emu)
1352# define MUTEX_INIT(x,y) eMmutex_init(&(x)->ipf_emu, y)
1353# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
1354
1355# define MUTEX_DOWNGRADE(x) eMrwlock_downgrade(&(x)->ipf_emu, \
1356 __FILE__, __LINE__)
1357# define READ_ENTER(x) eMrwlock_read_enter(&(x)->ipf_emu, \
1358 __FILE__, __LINE__)
1359# define RWLOCK_INIT(x, y) eMrwlock_init(&(x)->ipf_emu, y)
1360# define RWLOCK_EXIT(x) eMrwlock_exit(&(x)->ipf_emu)
1361# define RW_DESTROY(x) eMrwlock_destroy(&(x)->ipf_emu)
1362# define WRITE_ENTER(x) eMrwlock_write_enter(&(x)->ipf_emu, \
1363 __FILE__, \
1364 __LINE__)
1365
1366# define USE_MUTEXES 1
1367
1368extern void eMmutex_destroy __P((eMmutex_t *));
1369extern void eMmutex_enter __P((eMmutex_t *, char *, int));
1370extern void eMmutex_exit __P((eMmutex_t *));
1371extern void eMmutex_init __P((eMmutex_t *, char *));
1372extern void eMrwlock_destroy __P((eMrwlock_t *));
1373extern void eMrwlock_exit __P((eMrwlock_t *));
1374extern void eMrwlock_init __P((eMrwlock_t *, char *));
1375extern void eMrwlock_read_enter __P((eMrwlock_t *, char *, int));
1376extern void eMrwlock_write_enter __P((eMrwlock_t *, char *, int));
1377extern void eMrwlock_downgrade __P((eMrwlock_t *, char *, int));
1378
1379#endif
1380
1381#define MAX_IPV4HDR ((0xf << 2) + sizeof(struct icmp) + sizeof(ip_t) + 8)
1382
1383#ifndef IP_OFFMASK
1384# define IP_OFFMASK 0x1fff
1385#endif
1386
1387
1388/*
1389 * On BSD's use quad_t as a guarantee for getting at least a 64bit sized
1390 * object.
1391 */
1392#if BSD > 199306
1393# define USE_QUAD_T
1394# define U_QUAD_T u_quad_t
1395# define QUAD_T quad_t
1396#else /* BSD > 199306 */
1397# define U_QUAD_T u_long
1398# define QUAD_T long
1399#endif /* BSD > 199306 */
1400
1401
1402#ifdef USE_INET6
1403# if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
1404 defined(__osf__) || defined(linux)
1405# include <netinet/ip6.h>
1406# include <netinet/icmp6.h>
1407# if !defined(linux)
1408# if defined(_KERNEL) && !defined(__osf__)
1409# include <netinet6/ip6_var.h>
1410# endif
1411# endif
1412typedef struct ip6_hdr ip6_t;
1413# endif
1414#endif
1415
1416#ifndef MAX
1417# define MAX(a,b) (((a) > (b)) ? (a) : (b))
1418#endif
1419
1420#if defined(_KERNEL)
1421# ifdef MENTAT
1422# define COPYDATA mb_copydata
1423# define COPYBACK mb_copyback
1424# else
1425# define COPYDATA m_copydata
1426# define COPYBACK m_copyback
1427# endif
1428# if (BSD >= 199306) || defined(__FreeBSD__)
1429# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \
1430 defined(__FreeBSD__) || (defined(OpenBSD) && (OpenBSD < 200206)) || \
1431 defined(_BSDI_VERSION)
1432# include <vm/vm.h>
1433# endif
1434# if !defined(__FreeBSD__) || (defined (__FreeBSD_version) && \
1435 (__FreeBSD_version >= 300000))
1436# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105180000)) || \
1437 (defined(OpenBSD) && (OpenBSD >= 200111))
1438# include <uvm/uvm_extern.h>
1439# else
1440# include <vm/vm_extern.h>
1441extern vm_map_t kmem_map;
1442# endif
1443# include <sys/proc.h>
1444# else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
1445# include <vm/vm_kern.h>
1446# endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
1447
1448# ifdef IPFILTER_M_IPFILTER
1449# include <sys/malloc.h>
1450MALLOC_DECLARE(M_IPFILTER);
1451# define _M_IPF M_IPFILTER
1452# else /* IPFILTER_M_IPFILTER */
1453# ifdef M_PFIL
1454# define _M_IPF M_PFIL
1455# else
1456# ifdef M_IPFILTER
1457# define _M_IPF M_IPFILTER
1458# else
1459# define _M_IPF M_TEMP
1460# endif /* M_IPFILTER */
1461# endif /* M_PFIL */
1462# endif /* IPFILTER_M_IPFILTER */
1463# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), _M_IPF, M_NOWAIT)
1464# define KMALLOCS(a, b, c) MALLOC((a), b, (c), _M_IPF, M_NOWAIT)
1465# define KFREE(x) FREE((x), _M_IPF)
1466# define KFREES(x,s) FREE((x), _M_IPF)
1467# define UIOMOVE(a,b,c,d) uiomove(a,b,d)
1468# define SLEEP(id, n) tsleep((id), PPAUSE|PCATCH, n, 0)
1469# define WAKEUP(id,x) wakeup(id+x)
1470# define GETIFP(n, v) ifunit(n)
1471# endif /* (Free)BSD */
1472
1473# if !defined(USE_MUTEXES) && !defined(SPL_NET)
1474# if (defined(NetBSD) && (NetBSD <= 1991011) && (NetBSD >= 199407)) || \
1475 (defined(OpenBSD) && (OpenBSD >= 200006))
1476# define SPL_NET(x) x = splsoftnet()
1477# else
1478# define SPL_IMP(x) x = splimp()
1479# define SPL_NET(x) x = splnet()
1480# endif /* NetBSD && (NetBSD <= 1991011) && (NetBSD >= 199407) */
1481# define SPL_X(x) (void) splx(x)
1482# endif /* !USE_MUTEXES */
1483
1484# ifndef FREE_MB_T
1485# define FREE_MB_T(m) m_freem(m)
1486# endif
1487
1488# ifndef MTOD
1489# define MTOD(m,t) mtod(m,t)
1490# endif
1491
1492# ifndef COPYIN
1493# define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1494# define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1495# define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1496# define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1497# endif
1498
1499# ifndef KMALLOC
1500# define KMALLOC(a,b) (a) = (b)new_kmem_alloc(sizeof(*(a)), \
1501 KMEM_NOSLEEP)
1502# define KMALLOCS(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP)
1503# endif
1504
1505# ifndef GET_MINOR
1506# define GET_MINOR(x) minor(x)
1507# endif
1508# define PANIC(x,y) if (x) panic y
1509#endif /* _KERNEL */
1510
1511#ifndef IFNAME
1512# define IFNAME(x) ((struct ifnet *)x)->if_name
1513#endif
1514#ifndef COPYIFNAME
1515# define NEED_FRGETIFNAME
1516extern char *fr_getifname __P((struct ifnet *, char *));
1517# define COPYIFNAME(x, b) \
1518 fr_getifname((struct ifnet *)x, b)
1519#endif
1520
1521#ifndef ASSERT
1522# define ASSERT(x)
1523#endif
1524
1525/*
1526 * Because the ctype(3) posix definition, if used "safely" in code everywhere,
1527 * would mean all normal code that walks through strings needed casts. Yuck.
1528 */
1529#define ISALNUM(x) isalnum((u_char)(x))
1530#define ISALPHA(x) isalpha((u_char)(x))
1531#define ISASCII(x) isascii((u_char)(x))
1532#define ISDIGIT(x) isdigit((u_char)(x))
1533#define ISPRINT(x) isprint((u_char)(x))
1534#define ISSPACE(x) isspace((u_char)(x))
1535#define ISUPPER(x) isupper((u_char)(x))
1536#define ISXDIGIT(x) isxdigit((u_char)(x))
1537#define ISLOWER(x) islower((u_char)(x))
1538#define TOUPPER(x) toupper((u_char)(x))
1539#define TOLOWER(x) tolower((u_char)(x))
1540
1541/*
1542 * If mutexes aren't being used, turn all the mutex functions into null-ops.
1543 */
1544#if !defined(USE_MUTEXES)
1545# define USE_SPL 1
1546# undef RW_DESTROY
1547# undef MUTEX_INIT
1548# undef MUTEX_NUKE
1549# undef MUTEX_DESTROY
1550# define MUTEX_ENTER(x) ;
1551# define READ_ENTER(x) ;
1552# define WRITE_ENTER(x) ;
1553# define MUTEX_DOWNGRADE(x) ;
1554# define RWLOCK_INIT(x, y) ;
1555# define RWLOCK_EXIT(x) ;
1556# define RW_DESTROY(x) ;
1557# define MUTEX_EXIT(x) ;
1558# define MUTEX_INIT(x,y) ;
1559# define MUTEX_DESTROY(x) ;
1560# define MUTEX_NUKE(x) ;
1561#endif /* !USE_MUTEXES */
1562#ifndef ATOMIC_INC
1563# define ATOMIC_INC(x) (x)++
1564# define ATOMIC_DEC(x) (x)--
1565#endif
1566
1567/*
1568 * If there are no atomic operations for bit sizes defined, define them to all
1569 * use a generic one that works for all sizes.
1570 */
1571#ifndef ATOMIC_INCL
1572# define ATOMIC_INCL ATOMIC_INC
1573# define ATOMIC_INC64 ATOMIC_INC
1574# define ATOMIC_INC32 ATOMIC_INC
1575# define ATOMIC_INC16 ATOMIC_INC
1576# define ATOMIC_DECL ATOMIC_DEC
1577# define ATOMIC_DEC64 ATOMIC_DEC
1578# define ATOMIC_DEC32 ATOMIC_DEC
1579# define ATOMIC_DEC16 ATOMIC_DEC
1580#endif
1581
1582#ifndef HDR_T_PRIVATE
1583typedef struct tcphdr tcphdr_t;
1584typedef struct udphdr udphdr_t;
1585#endif
1586typedef struct icmp icmphdr_t;
1587typedef struct ip ip_t;
1588typedef struct ether_header ether_header_t;
1589typedef struct tcpiphdr tcpiphdr_t;
1590
1591#ifndef FR_GROUPLEN
1592# define FR_GROUPLEN 16
1593#endif
1594
1595#ifdef offsetof
1596# undef offsetof
1597#endif
1598#ifndef offsetof
1599# define offsetof(t,m) (int)((&((t *)0L)->m))
1600#endif
1601
1602/*
1603 * This set of macros has been brought about because on Tru64 it is not
1604 * possible to easily assign or examine values in a structure that are
1605 * bit fields.
1606 */
1607#ifndef IP_V
1608# define IP_V(x) (x)->ip_v
1609#endif
1610#ifndef IP_V_A
1611# define IP_V_A(x,y) (x)->ip_v = (y)
1612#endif
1613#ifndef IP_HL
1614# define IP_HL(x) (x)->ip_hl
1615#endif
1616#ifndef IP_HL_A
1617# define IP_HL_A(x,y) (x)->ip_hl = (y)
1618#endif
1619#ifndef TCP_X2
1620# define TCP_X2(x) (x)->th_x2
1621#endif
1622#ifndef TCP_X2_A
1623# define TCP_X2_A(x,y) (x)->th_x2 = (y)
1624#endif
1625#ifndef TCP_OFF
1626# define TCP_OFF(x) (x)->th_off
1627#endif
1628#ifndef TCP_OFF_A
1629# define TCP_OFF_A(x,y) (x)->th_off = (y)
1630#endif
1631#define IPMINLEN(i, h) ((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h)))
1632
1633
1634/*
1635 * XXX - This is one of those *awful* hacks which nobody likes
1636 */
1637#ifdef ultrix
1638#define A_A
1639#else
1640#define A_A &
1641#endif
1642
1643#define TCPF_ALL (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\
1644 TH_ECN|TH_CWR)
1645
1646#if (BSD >= 199306) && !defined(m_act)
1647# define m_act m_nextpkt
1648#endif
1649
1650/*
1651 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108.
1652 *
1653 * Basic Option
1654 *
1655 * 00000001 - (Reserved 4)
1656 * 00111101 - Top Secret
1657 * 01011010 - Secret
1658 * 10010110 - Confidential
1659 * 01100110 - (Reserved 3)
1660 * 11001100 - (Reserved 2)
1661 * 10101011 - Unclassified
1662 * 11110001 - (Reserved 1)
1663 */
1664#define IPSO_CLASS_RES4 0x01
1665#define IPSO_CLASS_TOPS 0x3d
1666#define IPSO_CLASS_SECR 0x5a
1667#define IPSO_CLASS_CONF 0x96
1668#define IPSO_CLASS_RES3 0x66
1669#define IPSO_CLASS_RES2 0xcc
1670#define IPSO_CLASS_UNCL 0xab
1671#define IPSO_CLASS_RES1 0xf1
1672
1673#define IPSO_AUTH_GENSER 0x80
1674#define IPSO_AUTH_ESI 0x40
1675#define IPSO_AUTH_SCI 0x20
1676#define IPSO_AUTH_NSA 0x10
1677#define IPSO_AUTH_DOE 0x08
1678#define IPSO_AUTH_UN 0x06
1679#define IPSO_AUTH_FTE 0x01
1680
1681/*
1682 * IP option #defines
1683 */
1684#undef IPOPT_RR
1685#define IPOPT_RR 7
1686#undef IPOPT_ZSU
1687#define IPOPT_ZSU 10 /* ZSU */
1688#undef IPOPT_MTUP
1689#define IPOPT_MTUP 11 /* MTUP */
1690#undef IPOPT_MTUR
1691#define IPOPT_MTUR 12 /* MTUR */
1692#undef IPOPT_ENCODE
1693#define IPOPT_ENCODE 15 /* ENCODE */
1694#undef IPOPT_TS
1695#define IPOPT_TS 68
1696#undef IPOPT_TR
1697#define IPOPT_TR 82 /* TR */
1698#undef IPOPT_SECURITY
1699#define IPOPT_SECURITY 130
1700#undef IPOPT_LSRR
1701#define IPOPT_LSRR 131
1702#undef IPOPT_E_SEC
1703#define IPOPT_E_SEC 133 /* E-SEC */
1704#undef IPOPT_CIPSO
1705#define IPOPT_CIPSO 134 /* CIPSO */
1706#undef IPOPT_SATID
1707#define IPOPT_SATID 136
1708#ifndef IPOPT_SID
1709# define IPOPT_SID IPOPT_SATID
1710#endif
1711#undef IPOPT_SSRR
1712#define IPOPT_SSRR 137
1713#undef IPOPT_ADDEXT
1714#define IPOPT_ADDEXT 147 /* ADDEXT */
1715#undef IPOPT_VISA
1716#define IPOPT_VISA 142 /* VISA */
1717#undef IPOPT_IMITD
1718#define IPOPT_IMITD 144 /* IMITD */
1719#undef IPOPT_EIP
1720#define IPOPT_EIP 145 /* EIP */
1721#undef IPOPT_RTRALRT
1722#define IPOPT_RTRALRT 148 /* RTRALRT */
1723#undef IPOPT_SDB
1724#define IPOPT_SDB 149
1725#undef IPOPT_NSAPA
1726#define IPOPT_NSAPA 150
1727#undef IPOPT_DPS
1728#define IPOPT_DPS 151
1729#undef IPOPT_UMP
1730#define IPOPT_UMP 152
1731#undef IPOPT_FINN
1732#define IPOPT_FINN 205 /* FINN */
1733
1734#ifndef TCPOPT_EOL
1735# define TCPOPT_EOL 0
1736#endif
1737#ifndef TCPOPT_NOP
1738# define TCPOPT_NOP 1
1739#endif
1740#ifndef TCPOPT_MAXSEG
1741# define TCPOPT_MAXSEG 2
1742#endif
1743#ifndef TCPOLEN_MAXSEG
1744# define TCPOLEN_MAXSEG 4
1745#endif
1746#ifndef TCPOPT_WINDOW
1747# define TCPOPT_WINDOW 3
1748#endif
1749#ifndef TCPOLEN_WINDOW
1750# define TCPOLEN_WINDOW 3
1751#endif
1752#ifndef TCPOPT_SACK_PERMITTED
1753# define TCPOPT_SACK_PERMITTED 4
1754#endif
1755#ifndef TCPOLEN_SACK_PERMITTED
1756# define TCPOLEN_SACK_PERMITTED 2
1757#endif
1758#ifndef TCPOPT_SACK
1759# define TCPOPT_SACK 5
1760#endif
1761#ifndef TCPOPT_TIMESTAMP
1762# define TCPOPT_TIMESTAMP 8
1763#endif
1764
1765#ifndef ICMP_MINLEN
1766# define ICMP_MINLEN 8
1767#endif
1768#ifndef ICMP_ECHOREPLY
1769# define ICMP_ECHOREPLY 0
1770#endif
1771#ifndef ICMP_UNREACH
1772# define ICMP_UNREACH 3
1773#endif
1774#ifndef ICMP_UNREACH_NET
1775# define ICMP_UNREACH_NET 0
1776#endif
1777#ifndef ICMP_UNREACH_HOST
1778# define ICMP_UNREACH_HOST 1
1779#endif
1780#ifndef ICMP_UNREACH_PROTOCOL
1781# define ICMP_UNREACH_PROTOCOL 2
1782#endif
1783#ifndef ICMP_UNREACH_PORT
1784# define ICMP_UNREACH_PORT 3
1785#endif
1786#ifndef ICMP_UNREACH_NEEDFRAG
1787# define ICMP_UNREACH_NEEDFRAG 4
1788#endif
1789#ifndef ICMP_UNREACH_SRCFAIL
1790# define ICMP_UNREACH_SRCFAIL 5
1791#endif
1792#ifndef ICMP_UNREACH_NET_UNKNOWN
1793# define ICMP_UNREACH_NET_UNKNOWN 6
1794#endif
1795#ifndef ICMP_UNREACH_HOST_UNKNOWN
1796# define ICMP_UNREACH_HOST_UNKNOWN 7
1797#endif
1798#ifndef ICMP_UNREACH_ISOLATED
1799# define ICMP_UNREACH_ISOLATED 8
1800#endif
1801#ifndef ICMP_UNREACH_NET_PROHIB
1802# define ICMP_UNREACH_NET_PROHIB 9
1803#endif
1804#ifndef ICMP_UNREACH_HOST_PROHIB
1805# define ICMP_UNREACH_HOST_PROHIB 10
1806#endif
1807#ifndef ICMP_UNREACH_TOSNET
1808# define ICMP_UNREACH_TOSNET 11
1809#endif
1810#ifndef ICMP_UNREACH_TOSHOST
1811# define ICMP_UNREACH_TOSHOST 12
1812#endif
1813#ifndef ICMP_UNREACH_ADMIN_PROHIBIT
1814# define ICMP_UNREACH_ADMIN_PROHIBIT 13
1815#endif
1816#ifndef ICMP_UNREACH_FILTER
1817# define ICMP_UNREACH_FILTER 13
1818#endif
1819#ifndef ICMP_UNREACH_HOST_PRECEDENCE
1820# define ICMP_UNREACH_HOST_PRECEDENCE 14
1821#endif
1822#ifndef ICMP_UNREACH_PRECEDENCE_CUTOFF
1823# define ICMP_UNREACH_PRECEDENCE_CUTOFF 15
1824#endif
1825#ifndef ICMP_SOURCEQUENCH
1826# define ICMP_SOURCEQUENCH 4
1827#endif
1828#ifndef ICMP_REDIRECT_NET
1829# define ICMP_REDIRECT_NET 0
1830#endif
1831#ifndef ICMP_REDIRECT_HOST
1832# define ICMP_REDIRECT_HOST 1
1833#endif
1834#ifndef ICMP_REDIRECT_TOSNET
1835# define ICMP_REDIRECT_TOSNET 2
1836#endif
1837#ifndef ICMP_REDIRECT_TOSHOST
1838# define ICMP_REDIRECT_TOSHOST 3
1839#endif
1840#ifndef ICMP_ALTHOSTADDR
1841# define ICMP_ALTHOSTADDR 6
1842#endif
1843#ifndef ICMP_TIMXCEED
1844# define ICMP_TIMXCEED 11
1845#endif
1846#ifndef ICMP_TIMXCEED_INTRANS
1847# define ICMP_TIMXCEED_INTRANS 0
1848#endif
1849#ifndef ICMP_TIMXCEED_REASS
1850# define ICMP_TIMXCEED_REASS 1
1851#endif
1852#ifndef ICMP_PARAMPROB
1853# define ICMP_PARAMPROB 12
1854#endif
1855#ifndef ICMP_PARAMPROB_ERRATPTR
1856# define ICMP_PARAMPROB_ERRATPTR 0
1857#endif
1858#ifndef ICMP_PARAMPROB_OPTABSENT
1859# define ICMP_PARAMPROB_OPTABSENT 1
1860#endif
1861#ifndef ICMP_PARAMPROB_LENGTH
1862# define ICMP_PARAMPROB_LENGTH 2
1863#endif
1864#ifndef ICMP_TSTAMP
1865# define ICMP_TSTAMP 13
1866#endif
1867#ifndef ICMP_TSTAMPREPLY
1868# define ICMP_TSTAMPREPLY 14
1869#endif
1870#ifndef ICMP_IREQ
1871# define ICMP_IREQ 15
1872#endif
1873#ifndef ICMP_IREQREPLY
1874# define ICMP_IREQREPLY 16
1875#endif
1876#ifndef ICMP_MASKREQ
1877# define ICMP_MASKREQ 17
1878#endif
1879#ifndef ICMP_MASKREPLY
1880# define ICMP_MASKREPLY 18
1881#endif
1882#ifndef ICMP_TRACEROUTE
1883# define ICMP_TRACEROUTE 30
1884#endif
1885#ifndef ICMP_DATACONVERR
1886# define ICMP_DATACONVERR 31
1887#endif
1888#ifndef ICMP_MOBILE_REDIRECT
1889# define ICMP_MOBILE_REDIRECT 32
1890#endif
1891#ifndef ICMP_IPV6_WHEREAREYOU
1892# define ICMP_IPV6_WHEREAREYOU 33
1893#endif
1894#ifndef ICMP_IPV6_IAMHERE
1895# define ICMP_IPV6_IAMHERE 34
1896#endif
1897#ifndef ICMP_MOBILE_REGREQUEST
1898# define ICMP_MOBILE_REGREQUEST 35
1899#endif
1900#ifndef ICMP_MOBILE_REGREPLY
1901# define ICMP_MOBILE_REGREPLY 36
1902#endif
1903#ifndef ICMP_SKIP
1904# define ICMP_SKIP 39
1905#endif
1906#ifndef ICMP_PHOTURIS
1907# define ICMP_PHOTURIS 40
1908#endif
1909#ifndef ICMP_PHOTURIS_UNKNOWN_INDEX
1910# define ICMP_PHOTURIS_UNKNOWN_INDEX 1
1911#endif
1912#ifndef ICMP_PHOTURIS_AUTH_FAILED
1913# define ICMP_PHOTURIS_AUTH_FAILED 2
1914#endif
1915#ifndef ICMP_PHOTURIS_DECRYPT_FAILED
1916# define ICMP_PHOTURIS_DECRYPT_FAILED 3
1917#endif
1918#ifndef IPVERSION
1919# define IPVERSION 4
1920#endif
1921#ifndef IPOPT_MINOFF
1922# define IPOPT_MINOFF 4
1923#endif
1924#ifndef IPOPT_COPIED
1925# define IPOPT_COPIED(x) ((x)&0x80)
1926#endif
1927#ifndef IPOPT_EOL
1928# define IPOPT_EOL 0
1929#endif
1930#ifndef IPOPT_NOP
1931# define IPOPT_NOP 1
1932#endif
1933#ifndef IP_MF
1934# define IP_MF ((u_short)0x2000)
1935#endif
1936#ifndef ETHERTYPE_IP
1937# define ETHERTYPE_IP ((u_short)0x0800)
1938#endif
1939#ifndef TH_FIN
1940# define TH_FIN 0x01
1941#endif
1942#ifndef TH_SYN
1943# define TH_SYN 0x02
1944#endif
1945#ifndef TH_RST
1946# define TH_RST 0x04
1947#endif
1948#ifndef TH_PUSH
1949# define TH_PUSH 0x08
1950#endif
1951#ifndef TH_ACK
1952# define TH_ACK 0x10
1953#endif
1954#ifndef TH_URG
1955# define TH_URG 0x20
1956#endif
1957#undef TH_ACKMASK
1958#define TH_ACKMASK (TH_FIN|TH_SYN|TH_RST|TH_ACK)
1959
1960#ifndef IPOPT_EOL
1961# define IPOPT_EOL 0
1962#endif
1963#ifndef IPOPT_NOP
1964# define IPOPT_NOP 1
1965#endif
1966#ifndef IPOPT_RR
1967# define IPOPT_RR 7
1968#endif
1969#ifndef IPOPT_TS
1970# define IPOPT_TS 68
1971#endif
1972#ifndef IPOPT_SECURITY
1973# define IPOPT_SECURITY 130
1974#endif
1975#ifndef IPOPT_LSRR
1976# define IPOPT_LSRR 131
1977#endif
1978#ifndef IPOPT_SATID
1979# define IPOPT_SATID 136
1980#endif
1981#ifndef IPOPT_SSRR
1982# define IPOPT_SSRR 137
1983#endif
1984#ifndef IPOPT_SECUR_UNCLASS
1985# define IPOPT_SECUR_UNCLASS ((u_short)0x0000)
1986#endif
1987#ifndef IPOPT_SECUR_CONFID
1988# define IPOPT_SECUR_CONFID ((u_short)0xf135)
1989#endif
1990#ifndef IPOPT_SECUR_EFTO
1991# define IPOPT_SECUR_EFTO ((u_short)0x789a)
1992#endif
1993#ifndef IPOPT_SECUR_MMMM
1994# define IPOPT_SECUR_MMMM ((u_short)0xbc4d)
1995#endif
1996#ifndef IPOPT_SECUR_RESTR
1997# define IPOPT_SECUR_RESTR ((u_short)0xaf13)
1998#endif
1999#ifndef IPOPT_SECUR_SECRET
2000# define IPOPT_SECUR_SECRET ((u_short)0xd788)
2001#endif
2002#ifndef IPOPT_SECUR_TOPSECRET
2003# define IPOPT_SECUR_TOPSECRET ((u_short)0x6bc5)
2004#endif
2005#ifndef IPOPT_OLEN
2006# define IPOPT_OLEN 1
2007#endif
2008#ifndef IPPROTO_HOPOPTS
2009# define IPPROTO_HOPOPTS 0
2010#endif
2011#ifndef IPPROTO_ENCAP
2012# define IPPROTO_ENCAP 4
2013#endif
2014#ifndef IPPROTO_IPV6
2015# define IPPROTO_IPV6 41
2016#endif
2017#ifndef IPPROTO_ROUTING
2018# define IPPROTO_ROUTING 43
2019#endif
2020#ifndef IPPROTO_FRAGMENT
2021# define IPPROTO_FRAGMENT 44
2022#endif
2023#ifndef IPPROTO_GRE
2024# define IPPROTO_GRE 47 /* GRE encaps RFC 1701 */
2025#endif
2026#ifndef IPPROTO_ESP
2027# define IPPROTO_ESP 50
2028#endif
2029#ifndef IPPROTO_AH
2030# define IPPROTO_AH 51
2031#endif
2032#ifndef IPPROTO_ICMPV6
2033# define IPPROTO_ICMPV6 58
2034#endif
2035#ifndef IPPROTO_NONE
2036# define IPPROTO_NONE 59
2037#endif
2038#ifndef IPPROTO_DSTOPTS
2039# define IPPROTO_DSTOPTS 60
2040#endif
2041#ifndef IPPROTO_FRAGMENT
2042# define IPPROTO_FRAGMENT 44
2043#endif
2044#ifndef ICMP_ROUTERADVERT
2045# define ICMP_ROUTERADVERT 9
2046#endif
2047#ifndef ICMP_ROUTERSOLICIT
2048# define ICMP_ROUTERSOLICIT 10
2049#endif
2050#ifndef ICMP6_DST_UNREACH
2051# define ICMP6_DST_UNREACH 1
2052#endif
2053#ifndef ICMP6_PACKET_TOO_BIG
2054# define ICMP6_PACKET_TOO_BIG 2
2055#endif
2056#ifndef ICMP6_TIME_EXCEEDED
2057# define ICMP6_TIME_EXCEEDED 3
2058#endif
2059#ifndef ICMP6_PARAM_PROB
2060# define ICMP6_PARAM_PROB 4
2061#endif
2062
2063#ifndef ICMP6_ECHO_REQUEST
2064# define ICMP6_ECHO_REQUEST 128
2065#endif
2066#ifndef ICMP6_ECHO_REPLY
2067# define ICMP6_ECHO_REPLY 129
2068#endif
2069#ifndef ICMP6_MEMBERSHIP_QUERY
2070# define ICMP6_MEMBERSHIP_QUERY 130
2071#endif
2072#ifndef MLD6_LISTENER_QUERY
2073# define MLD6_LISTENER_QUERY 130
2074#endif
2075#ifndef ICMP6_MEMBERSHIP_REPORT
2076# define ICMP6_MEMBERSHIP_REPORT 131
2077#endif
2078#ifndef MLD6_LISTENER_REPORT
2079# define MLD6_LISTENER_REPORT 131
2080#endif
2081#ifndef ICMP6_MEMBERSHIP_REDUCTION
2082# define ICMP6_MEMBERSHIP_REDUCTION 132
2083#endif
2084#ifndef MLD6_LISTENER_DONE
2085# define MLD6_LISTENER_DONE 132
2086#endif
2087#ifndef ND_ROUTER_SOLICIT
2088# define ND_ROUTER_SOLICIT 133
2089#endif
2090#ifndef ND_ROUTER_ADVERT
2091# define ND_ROUTER_ADVERT 134
2092#endif
2093#ifndef ND_NEIGHBOR_SOLICIT
2094# define ND_NEIGHBOR_SOLICIT 135
2095#endif
2096#ifndef ND_NEIGHBOR_ADVERT
2097# define ND_NEIGHBOR_ADVERT 136
2098#endif
2099#ifndef ND_REDIRECT
2100# define ND_REDIRECT 137
2101#endif
2102#ifndef ICMP6_ROUTER_RENUMBERING
2103# define ICMP6_ROUTER_RENUMBERING 138
2104#endif
2105#ifndef ICMP6_WRUREQUEST
2106# define ICMP6_WRUREQUEST 139
2107#endif
2108#ifndef ICMP6_WRUREPLY
2109# define ICMP6_WRUREPLY 140
2110#endif
2111#ifndef ICMP6_FQDN_QUERY
2112# define ICMP6_FQDN_QUERY 139
2113#endif
2114#ifndef ICMP6_FQDN_REPLY
2115# define ICMP6_FQDN_REPLY 140
2116#endif
2117#ifndef ICMP6_NI_QUERY
2118# define ICMP6_NI_QUERY 139
2119#endif
2120#ifndef ICMP6_NI_REPLY
2121# define ICMP6_NI_REPLY 140
2122#endif
2123#ifndef MLD6_MTRACE_RESP
2124# define MLD6_MTRACE_RESP 200
2125#endif
2126#ifndef MLD6_MTRACE
2127# define MLD6_MTRACE 201
2128#endif
2129#ifndef ICMP6_HADISCOV_REQUEST
2130# define ICMP6_HADISCOV_REQUEST 202
2131#endif
2132#ifndef ICMP6_HADISCOV_REPLY
2133# define ICMP6_HADISCOV_REPLY 203
2134#endif
2135#ifndef ICMP6_MOBILEPREFIX_SOLICIT
2136# define ICMP6_MOBILEPREFIX_SOLICIT 204
2137#endif
2138#ifndef ICMP6_MOBILEPREFIX_ADVERT
2139# define ICMP6_MOBILEPREFIX_ADVERT 205
2140#endif
2141#ifndef ICMP6_MAXTYPE
2142# define ICMP6_MAXTYPE 205
2143#endif
2144
2145#ifndef ICMP6_DST_UNREACH_NOROUTE
2146# define ICMP6_DST_UNREACH_NOROUTE 0
2147#endif
2148#ifndef ICMP6_DST_UNREACH_ADMIN
2149# define ICMP6_DST_UNREACH_ADMIN 1
2150#endif
2151#ifndef ICMP6_DST_UNREACH_NOTNEIGHBOR
2152# define ICMP6_DST_UNREACH_NOTNEIGHBOR 2
2153#endif
2154#ifndef ICMP6_DST_UNREACH_BEYONDSCOPE
2155# define ICMP6_DST_UNREACH_BEYONDSCOPE 2
2156#endif
2157#ifndef ICMP6_DST_UNREACH_ADDR
2158# define ICMP6_DST_UNREACH_ADDR 3
2159#endif
2160#ifndef ICMP6_DST_UNREACH_NOPORT
2161# define ICMP6_DST_UNREACH_NOPORT 4
2162#endif
2163#ifndef ICMP6_TIME_EXCEED_TRANSIT
2164# define ICMP6_TIME_EXCEED_TRANSIT 0
2165#endif
2166#ifndef ICMP6_TIME_EXCEED_REASSEMBLY
2167# define ICMP6_TIME_EXCEED_REASSEMBLY 1
2168#endif
2169
2170#ifndef ICMP6_NI_SUCCESS
2171# define ICMP6_NI_SUCCESS 0
2172#endif
2173#ifndef ICMP6_NI_REFUSED
2174# define ICMP6_NI_REFUSED 1
2175#endif
2176#ifndef ICMP6_NI_UNKNOWN
2177# define ICMP6_NI_UNKNOWN 2
2178#endif
2179
2180#ifndef ICMP6_ROUTER_RENUMBERING_COMMAND
2181# define ICMP6_ROUTER_RENUMBERING_COMMAND 0
2182#endif
2183#ifndef ICMP6_ROUTER_RENUMBERING_RESULT
2184# define ICMP6_ROUTER_RENUMBERING_RESULT 1
2185#endif
2186#ifndef ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET
2187# define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255
2188#endif
2189
2190#ifndef ICMP6_PARAMPROB_HEADER
2191# define ICMP6_PARAMPROB_HEADER 0
2192#endif
2193#ifndef ICMP6_PARAMPROB_NEXTHEADER
2194# define ICMP6_PARAMPROB_NEXTHEADER 1
2195#endif
2196#ifndef ICMP6_PARAMPROB_OPTION
2197# define ICMP6_PARAMPROB_OPTION 2
2198#endif
2199
2200#ifndef ICMP6_NI_SUBJ_IPV6
2201# define ICMP6_NI_SUBJ_IPV6 0
2202#endif
2203#ifndef ICMP6_NI_SUBJ_FQDN
2204# define ICMP6_NI_SUBJ_FQDN 1
2205#endif
2206#ifndef ICMP6_NI_SUBJ_IPV4
2207# define ICMP6_NI_SUBJ_IPV4 2
2208#endif
2209
2210/*
2211 * ECN is a new addition to TCP - RFC 2481
2212 */
2213#ifndef TH_ECN
2214# define TH_ECN 0x40
2215#endif
2216#ifndef TH_CWR
2217# define TH_CWR 0x80
2218#endif
2219#define TH_ECNALL (TH_ECN|TH_CWR)
2220
2221/*
2222 * TCP States
2223 */
2224#define IPF_TCPS_CLOSED 0 /* closed */
2225#define IPF_TCPS_LISTEN 1 /* listening for connection */
2226#define IPF_TCPS_SYN_SENT 2 /* active, have sent syn */
2227#define IPF_TCPS_SYN_RECEIVED 3 /* have send and received syn */
2228#define IPF_TCPS_HALF_ESTAB 4 /* for connections not fully "up" */
2229/* states < IPF_TCPS_ESTABLISHED are those where connections not established */
2230#define IPF_TCPS_ESTABLISHED 5 /* established */
2231#define IPF_TCPS_CLOSE_WAIT 6 /* rcvd fin, waiting for close */
2232/* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */
2233#define IPF_TCPS_FIN_WAIT_1 7 /* have closed, sent fin */
2234#define IPF_TCPS_CLOSING 8 /* closed xchd FIN; await FIN ACK */
2235#define IPF_TCPS_LAST_ACK 9 /* had fin and close; await FIN ACK */
2236/* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */
2237#define IPF_TCPS_FIN_WAIT_2 10 /* have closed, fin is acked */
2238#define IPF_TCPS_TIME_WAIT 11 /* in 2*msl quiet wait after close */
2239#define IPF_TCP_NSTATES 12
2240
2241#define TCP_MSL 120
2242
2243#undef ICMP_MAX_UNREACH
2244#define ICMP_MAX_UNREACH 14
2245#undef ICMP_MAXTYPE
2246#define ICMP_MAXTYPE 18
2247
2248#ifndef IFNAMSIZ
2249#define IFNAMSIZ 16
2250#endif
2251
2252#ifndef LOG_FTP
2253# define LOG_FTP (11<<3)
2254#endif
2255#ifndef LOG_AUTHPRIV
2256# define LOG_AUTHPRIV (10<<3)
2257#endif
2258#ifndef LOG_AUDIT
2259# define LOG_AUDIT (13<<3)
2260#endif
2261#ifndef LOG_NTP
2262# define LOG_NTP (12<<3)
2263#endif
2264#ifndef LOG_SECURITY
2265# define LOG_SECURITY (13<<3)
2266#endif
2267#ifndef LOG_LFMT
2268# define LOG_LFMT (14<<3)
2269#endif
2270#ifndef LOG_CONSOLE
2271# define LOG_CONSOLE (14<<3)
2272#endif
2273
2274/*
2275 * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data,
2276 * another IP header and then 64 bits of data, totalling 56. Of course,
2277 * the last 64 bits is dependant on that being available.
2278 */
2279#define ICMPERR_ICMPHLEN 8
2280#define ICMPERR_IPICMPHLEN (20 + 8)
2281#define ICMPERR_MINPKTLEN (20 + 8 + 20)
2282#define ICMPERR_MAXPKTLEN (20 + 8 + 20 + 8)
2283#define ICMP6ERR_MINPKTLEN (40 + 8)
2284#define ICMP6ERR_IPICMPHLEN (40 + 8 + 40)
2285
2286#ifndef MIN
2287# define MIN(a,b) (((a)<(b))?(a):(b))
2288#endif
2289
2290#ifdef IPF_DEBUG
2291# define DPRINT(x) printf x
2292#else
2293# define DPRINT(x)
2294#endif
2295
2296#endif /* __IP_COMPAT_H__ */