39# ifndef USE_INET6
40# define USE_INET6
41# endif
42#endif
43#if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000) && \
44 !defined(_KERNEL) && !defined(USE_INET6) && !defined(NOINET6)
45# define USE_INET6
46#endif
47#if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105000000) && \
48 !defined(_KERNEL) && !defined(USE_INET6)
49# define USE_INET6
50# define IPFILTER_M_IPFILTER
51#endif
52#if defined(OpenBSD) && (OpenBSD >= 200206) && \
53 !defined(_KERNEL) && !defined(USE_INET6)
54# define USE_INET6
55#endif
56#if defined(__osf__)
57# define USE_INET6
58#endif
59#if defined(linux) && (!defined(_KERNEL) || defined(CONFIG_IPV6))
60# define USE_INET6
61#endif
62#if defined(HPUXREV) && (HPUXREV >= 1111)
63# define USE_INET6
64#endif
65
66#if defined(BSD) && (BSD < 199103) && defined(__osf__)
67# undef BSD
68# define BSD 199103
69#endif
70
71#if defined(__SVR4) || defined(__svr4__) || defined(__sgi)
72# define index strchr
73# if !defined(_KERNEL)
74# define bzero(a,b) memset(a,0,b)
75# define bcmp memcmp
76# define bcopy(a,b,c) memmove(b,a,c)
77# endif
78#endif
79
80#ifndef LIFNAMSIZ
81# ifdef IF_NAMESIZE
82# define LIFNAMSIZ IF_NAMESIZE
83# else
84# ifdef IFNAMSIZ
85# define LIFNAMSIZ IFNAMSIZ
86# else
87# define LIFNAMSIZ 16
88# endif
89# endif
90#endif
91
92#if defined(__sgi) || defined(bsdi) || defined(__hpux) || defined(hpux)
93struct ether_addr {
94 u_char ether_addr_octet[6];
95};
96#endif
97
98#if defined(__sgi) && !defined(IPFILTER_LKM)
99# ifdef __STDC__
100# define IPL_EXTERN(ep) ipfilter##ep
101# else
102# define IPL_EXTERN(ep) ipfilter/**/ep
103# endif
104#else
105# ifdef __STDC__
106# define IPL_EXTERN(ep) ipl##ep
107# else
108# define IPL_EXTERN(ep) ipl/**/ep
109# endif
110#endif
111
112/*
113 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD.
114 */
115#ifndef linux
116# ifndef _KERNEL
117# define ADD_KERNEL
118# define _KERNEL
119# define KERNEL
120# endif
121# ifdef __OpenBSD__
122struct file;
123# endif
124# include <sys/uio.h>
125# ifdef ADD_KERNEL
126# undef _KERNEL
127# undef KERNEL
128# endif
129#endif
130
131
132/* ----------------------------------------------------------------------- */
133/* S O L A R I S */
134/* ----------------------------------------------------------------------- */
135#if SOLARIS
136# define MENTAT 1
137# include <sys/cmn_err.h>
138# include <sys/isa_defs.h>
139# include <sys/stream.h>
140# include <sys/ioccom.h>
141# include <sys/sysmacros.h>
142# include <sys/kmem.h>
143# if defined(SOLARIS2) && SOLARIS2 >= 10
144# include <sys/procset.h>
145# include <sys/proc.h>
146# include <sys/devops.h>
147# include <sys/ddi_impldefs.h>
148# endif
149/*
150 * because Solaris 2 defines these in two places :-/
151 */
152# ifndef KERNEL
153# define _KERNEL
154# undef RES_INIT
155# endif /* _KERNEL */
156
157# if defined(SOLARIS2) && SOLARIS2 >= 8
158# include <netinet/ip6.h>
159# include <netinet/icmp6.h>
160# endif
161
162# include <inet/common.h>
163/* These 5 are defined in <inet/ip.h> and <netinet/ip.h> */
164# undef IPOPT_EOL
165# undef IPOPT_NOP
166# undef IPOPT_LSRR
167# undef IPOPT_RR
168# undef IPOPT_SSRR
169# ifdef i386
170# define _SYS_PROMIF_H
171# endif
172# ifndef _KERNEL
173# include "radix_ipf.h"
174# else
175# include "radix_ipf_local.h"
176# endif
177# include <inet/ip.h>
178# undef COPYOUT
179# include <inet/ip_ire.h>
180# ifndef KERNEL
181# undef _KERNEL
182# endif
183# if defined(SOLARIS2) && SOLARIS2 >= 8
184# define SNPRINTF snprintf
185
186# include <inet/ip_if.h>
187# define ipif_local_addr ipif_lcl_addr
188/* Only defined in private include file */
189# ifndef V4_PART_OF_V6
190# define V4_PART_OF_V6(v6) v6.s6_addr32[3]
191# endif
192struct ip6_ext {
193 u_char ip6e_nxt;
194 u_char ip6e_len;
195};
196# endif /* SOLARIS2 >= 8 */
197
198# if defined(SOLARIS2) && SOLARIS2 >= 6
199# include <sys/atomic.h>
200typedef uint32_t u_32_t;
201# else
202typedef unsigned int u_32_t;
203# endif
204# define U_32_T 1
205
206# ifdef _KERNEL
207# define KRWLOCK_T krwlock_t
208# define KMUTEX_T kmutex_t
209
210# if !defined(FW_HOOKS)
211# include "qif.h"
212# include "pfil.h"
213# else
214# include <sys/neti.h>
215
216extern net_data_t ipfipv4;
217extern net_data_t ipfipv6;
218
219typedef struct qpktinfo {
220 void *qpi_data;
221 mblk_t **qpi_mp;
222 mblk_t *qpi_m;
223 uintptr_t qpi_real;
224 int qpi_flags;
225 int qpi_num;
226 int qpi_off;
227} qpktinfo_t;
228# define QF_GROUP 0x01
229# endif
230
231# if SOLARIS2 >= 6
232# if SOLARIS2 == 6
233# define ATOMIC_INCL(x) atomic_add_long((uint32_t*)&(x), 1)
234# define ATOMIC_DECL(x) atomic_add_long((uint32_t*)&(x), -1)
235# else
236# define ATOMIC_INCL(x) atomic_add_long(&(x), 1)
237# define ATOMIC_DECL(x) atomic_add_long(&(x), -1)
238# endif /* SOLARIS2 == 6 */
239# define ATOMIC_INC64(x) atomic_add_64((uint64_t*)&(x), 1)
240# define ATOMIC_INC32(x) atomic_add_32((uint32_t*)&(x), 1)
241# define ATOMIC_INC16(x) atomic_add_16((uint16_t*)&(x), 1)
242# define ATOMIC_DEC64(x) atomic_add_64((uint64_t*)&(x), -1)
243# define ATOMIC_DEC32(x) atomic_add_32((uint32_t*)&(x), -1)
244# define ATOMIC_DEC16(x) atomic_add_16((uint16_t*)&(x), -1)
245# else
246# define ATOMIC_INC(x) { mutex_enter(&ipf_rw); (x)++; \
247 mutex_exit(&ipf_rw); }
248# define ATOMIC_DEC(x) { mutex_enter(&ipf_rw); (x)--; \
249 mutex_exit(&ipf_rw); }
250# endif /* SOLARIS2 >= 6 */
251# define USE_MUTEXES
252# define MUTEX_ENTER(x) mutex_enter(&(x)->ipf_lk)
253# define READ_ENTER(x) rw_enter(&(x)->ipf_lk, RW_READER)
254# define WRITE_ENTER(x) rw_enter(&(x)->ipf_lk, RW_WRITER)
255# define MUTEX_DOWNGRADE(x) rw_downgrade(&(x)->ipf_lk)
256# define RWLOCK_INIT(x, y) rw_init(&(x)->ipf_lk, (y), \
257 RW_DRIVER, NULL)
258# define RWLOCK_EXIT(x) rw_exit(&(x)->ipf_lk)
259# define RW_DESTROY(x) rw_destroy(&(x)->ipf_lk)
260# define MUTEX_INIT(x, y) mutex_init(&(x)->ipf_lk, (y), \
261 MUTEX_DRIVER, NULL)
262# define MUTEX_DESTROY(x) mutex_destroy(&(x)->ipf_lk)
263# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
264# define MUTEX_EXIT(x) mutex_exit(&(x)->ipf_lk)
265# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
266# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
267# define BCOPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
268# define BCOPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
269# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
270# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
271# define KFREES(x,s) kmem_free((char *)(x), (s))
272# define SPL_SCHED(x) ;
273# define SPL_NET(x) ;
274# define SPL_IMP(x) ;
275# undef SPL_X
276# define SPL_X(x) ;
277# ifdef sparc
278# define ntohs(x) (x)
279# define ntohl(x) (x)
280# define htons(x) (x)
281# define htonl(x) (x)
282# endif /* sparc */
283# define KMALLOC(a,b) (a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
284# define KMALLOCS(a,b,c) (a) = (b)kmem_alloc((c), KM_NOSLEEP)
285# define GET_MINOR(x) getminor(x)
286extern void *get_unit __P((char *, int));
287# define GETIFP(n, v) get_unit(n, v)
288# if defined(_INET_IP_STACK_H)
289# define COPYIFNAME(v, x, b) \
290 do { \
291 if ((v) == 4) { \
292 (void) net_getifname(ipfipv4,\
293 (uintptr_t)x, b, \
294 LIFNAMSIZ); \
295 } else { \
296 (void) net_getifname(ipfipv6,\
297 (uintptr_t)x, b, \
298 LIFNAMSIZ); \
299 } \
300 } while (0)
301# else
302# define COPYIFNAME(v, x, b) \
303 (void) strncpy(b, ((qif_t *)x)->qf_name, \
304 LIFNAMSIZ)
305# endif
306# define GETKTIME(x) uniqtime((struct timeval *)x)
307# define MSGDSIZE(x) msgdsize(x)
308# define M_LEN(x) ((x)->b_wptr - (x)->b_rptr)
309# define M_DUPLICATE(x) dupmsg((x))
310# define MTOD(m,t) ((t)((m)->b_rptr))
311# define MTYPE(m) ((m)->b_datap->db_type)
312# define FREE_MB_T(m) freemsg(m)
313# define m_next b_cont
314# if !defined(_INET_IP_STACK_H)
315# define CACHE_HASH(x) (((qpktinfo_t *)(x)->fin_qpi)->qpi_num & 7)
316# else
317# define CACHE_HASH(x) ((uintptr_t)(x)->fin_ifp & 7)
318# endif
319# define IPF_PANIC(x,y) if (x) { printf y; cmn_err(CE_PANIC, "ipf_panic"); }
320typedef mblk_t mb_t;
321# endif /* _KERNEL */
322
323# if defined(SOLARIS2) && (SOLARIS2 >= 7)
324# ifdef lint
325# define ALIGN32(ptr) (ptr ? 0L : 0L)
326# define ALIGN16(ptr) (ptr ? 0L : 0L)
327# else
328# define ALIGN32(ptr) (ptr)
329# define ALIGN16(ptr) (ptr)
330# endif
331# endif
332
333# if defined(SOLARIS2) && SOLARIS2 < 6
334typedef struct uio uio_t;
335# endif
336typedef int ioctlcmd_t;
337
338# define OS_RECOGNISED 1
339
340#endif /* SOLARIS */
341
342/* ----------------------------------------------------------------------- */
343/* H P U X */
344/* ----------------------------------------------------------------------- */
345#ifdef __hpux
346# define MENTAT 1
347# include <sys/sysmacros.h>
348# include <sys/spinlock.h>
349# include <sys/lock.h>
350# include <sys/stream.h>
351# ifdef USE_INET6
352# include <netinet/if_ether.h>
353# include <netinet/ip6.h>
354# include <netinet/icmp6.h>
355typedef struct ip6_hdr ip6_t;
356# endif
357
358# ifdef _KERNEL
359# define SNPRINTF sprintf
360# if (HPUXREV >= 1111)
361# define IPL_SELECT
362# ifdef IPL_SELECT
363# include <machine/sys/user.h>
364# include <sys/kthread_iface.h>
365# define READ_COLLISION 0x01
366
367typedef struct iplog_select_s {
368 kthread_t *read_waiter;
369 int state;
370} iplog_select_t;
371# endif
372# endif
373
374# define GETKTIME(x) uniqtime((struct timeval *)x)
375
376# if HPUXREV == 1111
377# include "kern_svcs.h"
378# else
379# include <sys/kern_svcs.h>
380# endif
381# undef ti_flags
382# undef TCP_NODELAY
383# undef TCP_MAXSEG
384# include <sys/reg.h>
385# include "../netinet/ip_info.h"
386/*
387 * According to /usr/include/sys/spinlock.h on HP-UX 11.00, these functions
388 * are available. Attempting to use them actually results in unresolved
389 * symbols when it comes time to load the module.
390 * This has been fixed! Yipee!
391 */
392# if 1
393# ifdef __LP64__
394# define ATOMIC_INCL(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), 1)
395# define ATOMIC_DECL(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), -1)
396# else
397# define ATOMIC_INCL(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), 1)
398# define ATOMIC_DECL(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), -1)
399# endif
400# define ATOMIC_INC64(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), 1)
401# define ATOMIC_INC32(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), 1)
402# define ATOMIC_INC16(x) lock_and_incr_int16(&ipf_rw.ipf_lk, &(x), 1)
403# define ATOMIC_DEC64(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), -1)
404# define ATOMIC_DEC32(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), -1)
405# define ATOMIC_DEC16(x) lock_and_incr_int16(&ipf_rw.ipf_lk, &(x), -1)
406# else /* 0 */
407# define ATOMIC_INC64(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
408 MUTEX_EXIT(&ipf_rw); }
409# define ATOMIC_DEC64(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
410 MUTEX_EXIT(&ipf_rw); }
411# define ATOMIC_INC32(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
412 MUTEX_EXIT(&ipf_rw); }
413# define ATOMIC_DEC32(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
414 MUTEX_EXIT(&ipf_rw); }
415# define ATOMIC_INCL(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
416 MUTEX_EXIT(&ipf_rw); }
417# define ATOMIC_DECL(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
418 MUTEX_EXIT(&ipf_rw); }
419# define ATOMIC_INC(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
420 MUTEX_EXIT(&ipf_rw); }
421# define ATOMIC_DEC(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
422 MUTEX_EXIT(&ipf_rw); }
423# endif
424# define ip_cksum ip_csuma
425# define memcpy(a,b,c) bcopy((caddr_t)b, (caddr_t)a, c)
426# define USE_MUTEXES
427# define MUTEX_INIT(x, y) initlock(&(x)->ipf_lk, 0, 0, (y))
428# define MUTEX_ENTER(x) spinlock(&(x)->ipf_lk)
429# define MUTEX_EXIT(x) spinunlock(&(x)->ipf_lk);
430# define MUTEX_DESTROY(x)
431# define MUTEX_NUKE(x) bzero((char *)(x), sizeof(*(x)))
432# define KMUTEX_T lock_t
433# define kmutex_t lock_t /* for pfil.h */
434# define krwlock_t lock_t /* for pfil.h */
435/*
436 * The read-write lock implementation in HP-UX 11.0 is crippled - it can
437 * only be used by threads working in a user context!
438 * This has been fixed! Yipee! (Or at least it does in 11.00, not 11.11..)
439 */
440# if HPUXREV < 1111
441# define MUTEX_DOWNGRADE(x) lock_write_to_read(x)
442# define KRWLOCK_T struct rw_lock
443# define READ_ENTER(x) lock_read(&(x)->ipf_lk)
444# define WRITE_ENTER(x) lock_write(&(x)->ipf_lk)
445# if HPUXREV >= 1111
446# define RWLOCK_INIT(x, y) rwlock_init4(&(x)->ipf_lk, 0, RWLCK_CANSLEEP, 0, y)
447# else
448# define RWLOCK_INIT(x, y) lock_init3(&(x)->ipf_lk, 0, 1, 0, 0, y)
449# endif
450# define RWLOCK_EXIT(x) lock_done(&(x)->ipf_lk)
451# else
452# define KRWLOCK_T lock_t
453# define KMUTEX_T lock_t
454# define READ_ENTER(x) MUTEX_ENTER(x)
455# define WRITE_ENTER(x) MUTEX_ENTER(x)
456# define MUTEX_DOWNGRADE(x)
457# define RWLOCK_INIT(x, y) initlock(&(x)->ipf_lk, 0, 0, y)
458# define RWLOCK_EXIT(x) MUTEX_EXIT(x)
459# endif
460# define RW_DESTROY(x)
461# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
462# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
463# define SPL_SCHED(x) ;
464# define SPL_NET(x) ;
465# define SPL_IMP(x) ;
466# undef SPL_X
467# define SPL_X(x) ;
468extern void *get_unit __P((char *, int));
469# define GETIFP(n, v) get_unit(n, v)
470# define COPYIFNAME(v, x, b) \
471 (void) strncpy(b, ((qif_t *)x)->qf_name, \
472 LIFNAMSIZ)
473# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
474# define SLEEP(id, n) { lock_t *_l = get_sleep_lock((caddr_t)id); \
475 sleep(id, PZERO+1); \
476 spinunlock(_l); \
477 }
478# define WAKEUP(id,x) { lock_t *_l = get_sleep_lock((caddr_t)id); \
479 wakeup(id + x); \
480 spinunlock(_l); \
481 }
482# define POLLWAKEUP(x) ;
483# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), M_IOSYS, M_NOWAIT)
484# define KMALLOCS(a, b, c) MALLOC((a), b, (c), M_IOSYS, M_NOWAIT)
485# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
486# define KFREES(x,s) kmem_free((char *)(x), (s))
487# define MSGDSIZE(x) msgdsize(x)
488# define M_LEN(x) ((x)->b_wptr - (x)->b_rptr)
489# define M_DUPLICATE(x) dupmsg((x))
490# define MTOD(m,t) ((t)((m)->b_rptr))
491# define MTYPE(m) ((m)->b_datap->db_type)
492# define FREE_MB_T(m) freemsg(m)
493# define m_next b_cont
494# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
495typedef mblk_t mb_t;
496
497# define CACHE_HASH(x) (((qpktinfo_t *)(x)->fin_qpi)->qpi_num & 7)
498
499# include "qif.h"
500# include "pfil.h"
501
502# else /* _KERNEL */
503
504typedef unsigned char uchar_t;
505
506# ifndef _SYS_STREAM_INCLUDED
507typedef char * mblk_t;
508typedef void * queue_t;
509typedef u_long ulong;
510# endif
511# include <netinet/ip_info.h>
512
513# endif /* _KERNEL */
514
515# ifdef lint
516# define ALIGN32(ptr) (ptr ? 0L : 0L)
517# define ALIGN16(ptr) (ptr ? 0L : 0L)
518# else
519# define ALIGN32(ptr) (ptr)
520# define ALIGN16(ptr) (ptr)
521# endif
522
523typedef struct uio uio_t;
524typedef int ioctlcmd_t;
525typedef int minor_t;
526typedef unsigned int u_32_t;
527# define U_32_T 1
528
529# define OS_RECOGNISED 1
530
531#endif /* __hpux */
532
533/* ----------------------------------------------------------------------- */
534/* I R I X */
535/* ----------------------------------------------------------------------- */
536#ifdef __sgi
537# undef MENTAT
538# if IRIX < 60500
539typedef struct uio uio_t;
540# endif
541typedef int ioctlcmd_t;
542typedef u_int32_t u_32_t;
543# define U_32_T 1
544
545# ifdef INET6
546# define USE_INET6
547# endif
548
549# define hz HZ
550# include <sys/ksynch.h>
551# define IPF_LOCK_PL plhi
552# include <sys/sema.h>
553# undef kmutex_t
554typedef struct {
555 lock_t *l;
556 int pl;
557} kmutex_t;
558
559# ifdef MUTEX_INIT
560# define KMUTEX_T mutex_t
561# else
562# define KMUTEX_T kmutex_t
563# define KRWLOCK_T kmutex_t
564# endif
565
566# ifdef _KERNEL
567# define ATOMIC_INC(x) { MUTEX_ENTER(&ipf_rw); \
568 (x)++; MUTEX_EXIT(&ipf_rw); }
569# define ATOMIC_DEC(x) { MUTEX_ENTER(&ipf_rw); \
570 (x)--; MUTEX_EXIT(&ipf_rw); }
571# define USE_MUTEXES
572# ifdef MUTEX_INIT
573# include <sys/atomic_ops.h>
574# define ATOMIC_INCL(x) atomicAddUlong(&(x), 1)
575# define ATOMIC_INC64(x) atomicAddUint64(&(x), 1)
576# define ATOMIC_INC32(x) atomicAddUint(&(x), 1)
577# define ATOMIC_INC16 ATOMIC_INC
578# define ATOMIC_DECL(x) atomicAddUlong(&(x), -1)
579# define ATOMIC_DEC64(x) atomicAddUint64(&(x), -1)
580# define ATOMIC_DEC32(x) atomicAddUint(&(x), -1)
581# define ATOMIC_DEC16 ATOMIC_DEC
582# undef MUTEX_INIT
583# define MUTEX_INIT(x, y) mutex_init(&(x)->ipf_lk, \
584 MUTEX_DEFAULT, y)
585# undef MUTEX_ENTER
586# define MUTEX_ENTER(x) mutex_lock(&(x)->ipf_lk, 0)
587# undef MUTEX_EXIT
588# define MUTEX_EXIT(x) mutex_unlock(&(x)->ipf_lk)
589# undef MUTEX_DESTROY
590# define MUTEX_DESTROY(x) mutex_destroy(&(x)->ipf_lk)
591# define MUTEX_DOWNGRADE(x) mrdemote(&(x)->ipf_lk)
592# define KRWLOCK_T mrlock_t
593# define RWLOCK_INIT(x, y) mrinit(&(x)->ipf_lk, y)
594# undef RW_DESTROY
595# define RW_DESTROY(x) mrfree(&(x)->ipf_lk)
596# define READ_ENTER(x) RW_RDLOCK(&(x)->ipf_lk)
597# define WRITE_ENTER(x) RW_WRLOCK(&(x)->ipf_lk)
598# define RWLOCK_EXIT(x) RW_UNLOCK(&(x)->ipf_lk)
599# else
600# define READ_ENTER(x) MUTEX_ENTER(&(x)->ipf_lk)
601# define WRITE_ENTER(x) MUTEX_ENTER(&(x)->ipf_lk)
602# define MUTEX_DOWNGRADE(x) ;
603# define RWLOCK_EXIT(x) MUTEX_EXIT(&(x)->ipf_lk)
604# define MUTEX_EXIT(x) UNLOCK((x)->ipf_lk.l, (x)->ipf_lk.pl);
605# define MUTEX_INIT(x,y) (x)->ipf_lk.l = LOCK_ALLOC((uchar_t)-1, IPF_LOCK_PL, (lkinfo_t *)-1, KM_NOSLEEP)
606# define MUTEX_DESTROY(x) LOCK_DEALLOC((x)->ipf_lk.l)
607# define MUTEX_ENTER(x) (x)->ipf_lk.pl = LOCK((x)->ipf_lk.l, \
608 IPF_LOCK_PL);
609# endif
610# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
611# define FREE_MB_T(m) m_freem(m)
612# define MTOD(m,t) mtod(m,t)
613# define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
614# define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
615# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
616# define SLEEP(id, n) sleep((id), PZERO+1)
617# define WAKEUP(id,x) wakeup(id+x)
618# define POLLWAKEUP(x) ;
619# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
620# define KFREES(x,s) kmem_free((char *)(x), (s))
621# define GETIFP(n,v) ifunit(n)
622# include <sys/kmem.h>
623# include <sys/ddi.h>
624# define KMALLOC(a,b) (a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
625# define KMALLOCS(a,b,c) (a) = (b)kmem_alloc((c), KM_NOSLEEP)
626# define GET_MINOR(x) getminor(x)
627# define USE_SPL 1
628# define SPL_IMP(x) (x) = splimp()
629# define SPL_NET(x) (x) = splnet()
630# define SPL_SCHED(x) (x) = splsched()
631# define SPL_X(x) (void) splx(x)
632extern void m_copydata __P((struct mbuf *, int, int, caddr_t));
633extern void m_copyback __P((struct mbuf *, int, int, caddr_t));
634# define MSGDSIZE(x) mbufchainlen(x)
635# define M_LEN(x) (x)->m_len
636# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
637# define GETKTIME(x) microtime((struct timeval *)x)
638# define IFNAME(x) ((struct ifnet *)x)->if_name
639# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
640 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
641# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
642typedef struct mbuf mb_t;
643# else
644# undef RW_DESTROY
645# undef MUTEX_INIT
646# undef MUTEX_DESTROY
647# endif /* _KERNEL */
648
649# define OS_RECOGNISED 1
650
651#endif /* __sgi */
652
653/* ----------------------------------------------------------------------- */
654/* T R U 6 4 */
655/* ----------------------------------------------------------------------- */
656#ifdef __osf__
657# undef MENTAT
658
659# include <kern/lock.h>
660# include <sys/sysmacros.h>
661
662# ifdef _KERNEL
663# define KMUTEX_T simple_lock_data_t
664# define KRWLOCK_T lock_data_t
665# include <net/net_globals.h>
666# define USE_MUTEXES
667# define READ_ENTER(x) lock_read(&(x)->ipf_lk)
668# define WRITE_ENTER(x) lock_write(&(x)->ipf_lk)
669# define MUTEX_DOWNGRADE(x) lock_write_to_read(&(x)->ipf_lk)
670# define RWLOCK_INIT(x, y) lock_init(&(x)->ipf_lk, TRUE)
671# define RWLOCK_EXIT(x) lock_done(&(x)->ipf_lk)
672# define RW_DESTROY(x) lock_terminate(&(x)->ipf_lk)
673# define MUTEX_ENTER(x) simple_lock(&(x)->ipf_lk)
674# define MUTEX_INIT(x, y) simple_lock_init(&(x)->ipf_lk)
675# define MUTEX_DESTROY(x) simple_lock_terminate(&(x)->ipf_lk)
676# define MUTEX_EXIT(x) simple_unlock(&(x)->ipf_lk)
677# define MUTEX_NUKE(x) bzero(x, sizeof(*(x)))
678# define ATOMIC_INC64(x) atomic_incq((uint64_t*)&(x))
679# define ATOMIC_DEC64(x) atomic_decq((uint64_t*)&(x))
680# define ATOMIC_INC32(x) atomic_incl((uint32_t*)&(x))
681# define ATOMIC_DEC32(x) atomic_decl((uint32_t*)&(x))
682# define ATOMIC_INC16(x) { simple_lock(&ipf_rw); (x)++; \
683 simple_unlock(&ipf_rw); }
684# define ATOMIC_DEC16(x) { simple_lock(&ipf_rw); (x)--; \
685 simple_unlock(&ipf_rw); }
686# define ATOMIC_INCL(x) atomic_incl((uint32_t*)&(x))
687# define ATOMIC_DECL(x) atomic_decl((uint32_t*)&(x))
688# define ATOMIC_INC(x) { simple_lock(&ipf_rw); (x)++; \
689 simple_unlock(&ipf_rw); }
690# define ATOMIC_DEC(x) { simple_lock(&ipf_rw); (x)--; \
691 simple_unlock(&ipf_rw); }
692# define SPL_SCHED(x) ;
693# define SPL_NET(x) ;
694# define SPL_IMP(x) ;
695# undef SPL_X
696# define SPL_X(x) ;
697# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a, b, d)
698# define FREE_MB_T(m) m_freem(m)
699# define MTOD(m,t) mtod(m,t)
700# define GETIFP(n, v) ifunit(n)
701# define GET_MINOR getminor
702# define WAKEUP(id,x) wakeup(id + x)
703# define POLLWAKEUP(x) ;
704# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
705# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
706# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), M_PFILT, M_NOWAIT)
707# define KMALLOCS(a, b, c) MALLOC((a), b, (c), M_PFILT, \
708 ((c) > 4096) ? M_WAITOK : M_NOWAIT)
709# define KFREE(x) FREE((x), M_PFILT)
710# define KFREES(x,s) FREE((x), M_PFILT)
711# define MSGDSIZE(x) mbufchainlen(x)
712# define M_LEN(x) (x)->m_len
713# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
714# define GETKTIME(x) microtime((struct timeval *)x)
715# define IFNAME(x) ((struct ifnet *)x)->if_name
716# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
717 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
718# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
719typedef struct mbuf mb_t;
720# endif /* _KERNEL */
721
722# if (defined(_KERNEL) || defined(_NO_BITFIELDS) || (__STDC__ == 1))
723# define IP_V(x) ((x)->ip_vhl >> 4)
724# define IP_HL(x) ((x)->ip_vhl & 0xf)
725# define IP_V_A(x,y) (x)->ip_vhl |= (((y) << 4) & 0xf0)
726# define IP_HL_A(x,y) (x)->ip_vhl |= ((y) & 0xf)
727# define TCP_X2(x) ((x)->th_xoff & 0xf)
728# define TCP_X2_A(x,y) (x)->th_xoff |= ((y) & 0xf)
729# define TCP_OFF(x) ((x)->th_xoff >> 4)
730# define TCP_OFF_A(x,y) (x)->th_xoff |= (((y) << 4) & 0xf0)
731# endif
732
733/*
734 * These are from's Solaris' #defines for little endian.
735 */
736#define IP6F_MORE_FRAG 0x0100
737#define IP6F_RESERVED_MASK 0x0600
738#define IP6F_OFF_MASK 0xf8ff
739
740struct ip6_ext {
741 u_char ip6e_nxt;
742 u_char ip6e_len;
743};
744
745typedef int ioctlcmd_t;
746/*
747 * Really, any arch where sizeof(long) != sizeof(int).
748 */
749typedef unsigned int u_32_t;
750# define U_32_T 1
751
752# define OS_RECOGNISED 1
753#endif /* __osf__ */
754
755/* ----------------------------------------------------------------------- */
756/* N E T B S D */
757/* ----------------------------------------------------------------------- */
758#ifdef __NetBSD__
759# if (NetBSD >= 199905) && !defined(IPFILTER_LKM) && defined(_KERNEL)
760# include "opt_ipfilter.h"
761# endif
762# if defined(_KERNEL)
763# include <sys/systm.h>
764# else
765# include <stddef.h>
766# endif
767# if defined(_KERNEL) && !defined(IPFILTER_LKM)
768# include "bpfilter.h"
769# if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 104110000)
770# include "opt_inet.h"
771# endif
772# ifdef INET6
773# define USE_INET6
774# endif
775# if (__NetBSD_Version__ >= 105000000)
776# define HAVE_M_PULLDOWN 1
777# endif
778# endif
779
780# if (__NetBSD_Version__ >= 499000000)
781typedef char * caddr_t;
782# endif
783
784# ifdef _KERNEL
785# if (__NetBSD_Version__ >= 399001400)
786# define KMALLOCS(a, b, c) (a) = (b)malloc((c), _M_IPF, M_NOWAIT)
787# endif
788# define MSGDSIZE(x) mbufchainlen(x)
789# define M_LEN(x) (x)->m_len
790# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
791# define GETKTIME(x) microtime((struct timeval *)x)
792# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
793# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
794# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
795typedef struct mbuf mb_t;
796# endif /* _KERNEL */
797# if (NetBSD <= 1991011) && (NetBSD >= 199606)
798# define IFNAME(x) ((struct ifnet *)x)->if_xname
799# define COPYIFNAME(v, x, b) \
800 (void) strncpy(b, \
801 ((struct ifnet *)x)->if_xname, \
802 LIFNAMSIZ)
803# define CACHE_HASH(x) ((((struct ifnet *)fin->fin_ifp)->if_index)&7)
804# else
805# define IFNAME(x) ((struct ifnet *)x)->if_name
806# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
807 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
808# endif
809typedef struct uio uio_t;
810typedef u_long ioctlcmd_t;
811typedef int minor_t;
812typedef u_int32_t u_32_t;
813# define U_32_T 1
814
815# define OS_RECOGNISED 1
816#endif /* __NetBSD__ */
817
818
819/* ----------------------------------------------------------------------- */
820/* F R E E B S D */
821/* ----------------------------------------------------------------------- */
822#ifdef __FreeBSD__
823# if defined(_KERNEL)
824# if (__FreeBSD_version >= 500000)
825# include "opt_bpf.h"
826# else
827# include "bpf.h"
828# endif
829# if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000)
830# include "opt_inet6.h"
831# endif
832# if defined(INET6) && !defined(USE_INET6)
833# define USE_INET6
834# endif
835# endif
836
837# if defined(_KERNEL)
838# if (__FreeBSD_version >= 400000)
839/*
840 * When #define'd, the 5.2.1 kernel panics when used with the ftp proxy.
841 * There may be other, safe, kernels but this is not extensively tested yet.
842 */
843# define HAVE_M_PULLDOWN
844# endif
845# if !defined(IPFILTER_LKM) && (__FreeBSD_version >= 300000)
846# include "opt_ipfilter.h"
847# endif
848# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
849# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
850
851# if (__FreeBSD_version >= 500043)
852# define NETBSD_PF
853# endif
854# endif /* _KERNEL */
855
856# if (__FreeBSD_version >= 500043)
857# include <sys/mutex.h>
858# if (__FreeBSD_version > 700014)
859# include <sys/rwlock.h>
860# define KRWLOCK_T struct rwlock
861# ifdef _KERNEL
862# define READ_ENTER(x) rw_rlock(&(x)->ipf_lk)
863# define WRITE_ENTER(x) rw_wlock(&(x)->ipf_lk)
864# define MUTEX_DOWNGRADE(x) rw_downgrade(&(x)->ipf_lk)
865# define RWLOCK_INIT(x, y) rw_init(&(x)->ipf_lk, (y))
866# define RW_DESTROY(x) rw_destroy(&(x)->ipf_lk)
867# define RWLOCK_EXIT(x) do { \
868 if (rw_wowned(&(x)->ipf_lk)) \
869 rw_wunlock(&(x)->ipf_lk); \
870 else \
871 rw_runlock(&(x)->ipf_lk); \
872 } while (0)
873# endif
874# else
875# include <sys/sx.h>
876/*
877 * Whilst the sx(9) locks on FreeBSD have the right semantics and interface
878 * for what we want to use them for, despite testing showing they work -
879 * with a WITNESS kernel, it generates LOR messages.
880 */
881# ifdef _KERNEL
882# if (__FreeBSD_version < 700000)
883# define KRWLOCK_T struct mtx
884# define READ_ENTER(x) mtx_lock(&(x)->ipf_lk)
885# define WRITE_ENTER(x) mtx_lock(&(x)->ipf_lk)
886# define RWLOCK_EXIT(x) mtx_unlock(&(x)->ipf_lk)
887# define MUTEX_DOWNGRADE(x) ;
888# define RWLOCK_INIT(x,y) mtx_init(&(x)->ipf_lk, (y), NULL,\
889 MTX_DEF)
890# define RW_DESTROY(x) mtx_destroy(&(x)->ipf_lk)
891# else
892# define KRWLOCK_T struct sx
893# define READ_ENTER(x) sx_slock(&(x)->ipf_lk)
894# define WRITE_ENTER(x) sx_xlock(&(x)->ipf_lk)
895# define MUTEX_DOWNGRADE(x) sx_downgrade(&(x)->ipf_lk)
896# define RWLOCK_INIT(x, y) sx_init(&(x)->ipf_lk, (y))
897# define RW_DESTROY(x) sx_destroy(&(x)->ipf_lk)
898# ifdef sx_unlock
899# define RWLOCK_EXIT(x) sx_unlock(&(x)->ipf_lk)
900# else
901# define RWLOCK_EXIT(x) do { \
902 if ((x)->ipf_lk.sx_cnt < 0) \
903 sx_xunlock(&(x)->ipf_lk); \
904 else \
905 sx_sunlock(&(x)->ipf_lk); \
906 } while (0)
907# endif
908# endif
909# endif
910# endif
911# define KMUTEX_T struct mtx
912# endif
913
914# if (__FreeBSD_version >= 501113)
915# include <net/if_var.h>
916# define IFNAME(x) ((struct ifnet *)x)->if_xname
917# define COPYIFNAME(v, x, b) \
918 (void) strncpy(b, \
919 ((struct ifnet *)x)->if_xname, \
920 LIFNAMSIZ)
921# endif
922# if (__FreeBSD_version >= 500043)
923# define CACHE_HASH(x) ((((struct ifnet *)fin->fin_ifp)->if_index) & 7)
924# else
925# define IFNAME(x) ((struct ifnet *)x)->if_name
926# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
927 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
928# endif
929
930# ifdef _KERNEL
931# define GETKTIME(x) microtime((struct timeval *)x)
932
933# if (__FreeBSD_version >= 500002)
934# include <netinet/in_systm.h>
935# include <netinet/ip.h>
936# include <machine/in_cksum.h>
937# endif
938
939# if (__FreeBSD_version >= 500043)
940# define USE_MUTEXES
941# define MUTEX_ENTER(x) mtx_lock(&(x)->ipf_lk)
942# define MUTEX_EXIT(x) mtx_unlock(&(x)->ipf_lk)
943# define MUTEX_INIT(x,y) mtx_init(&(x)->ipf_lk, (y), NULL,\
944 MTX_DEF)
945# define MUTEX_DESTROY(x) mtx_destroy(&(x)->ipf_lk)
946# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
947# include <machine/atomic.h>
948# define ATOMIC_INC(x) { mtx_lock(&ipf_rw.ipf_lk); (x)++; \
949 mtx_unlock(&ipf_rw.ipf_lk); }
950# define ATOMIC_DEC(x) { mtx_lock(&ipf_rw.ipf_lk); (x)--; \
951 mtx_unlock(&ipf_rw.ipf_lk); }
952# define ATOMIC_INCL(x) atomic_add_long(&(x), 1)
953# define ATOMIC_INC64(x) ATOMIC_INC(x)
954# define ATOMIC_INC32(x) atomic_add_32((u_int *)&(x), 1)
955# define ATOMIC_INC16(x) atomic_add_16(&(x), 1)
956# define ATOMIC_DECL(x) atomic_add_long(&(x), -1)
957# define ATOMIC_DEC64(x) ATOMIC_DEC(x)
958# define ATOMIC_DEC32(x) atomic_add_32((u_int *)&(x), -1)
959# define ATOMIC_DEC16(x) atomic_add_16(&(x), -1)
960# define SPL_X(x) ;
961# define SPL_NET(x) ;
962# define SPL_IMP(x) ;
963# define SPL_SCHED(x) ;
964extern int in_cksum __P((struct mbuf *, int));
965# else
966# define SPL_SCHED(x) x = splhigh()
967# endif /* __FreeBSD_version >= 500043 */
968# define MSGDSIZE(x) mbufchainlen(x)
969# define M_LEN(x) (x)->m_len
970# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
971# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
972typedef struct mbuf mb_t;
973# endif /* _KERNEL */
974
975# if __FreeBSD__ < 3
976# include <machine/spl.h>
977# else
978# if __FreeBSD__ == 3
979# if defined(IPFILTER_LKM) && !defined(ACTUALLY_LKM_NOT_KERNEL)
980# define ACTUALLY_LKM_NOT_KERNEL
981# endif
982# endif
983# endif
984
985# if (__FreeBSD_version >= 300000)
986typedef u_long ioctlcmd_t;
987# else
988typedef int ioctlcmd_t;
989# endif
990typedef struct uio uio_t;
991typedef int minor_t;
992typedef u_int32_t u_32_t;
993# define U_32_T 1
994
995# define OS_RECOGNISED 1
996#endif /* __FreeBSD__ */
997
998
999/* ----------------------------------------------------------------------- */
1000/* O P E N B S D */
1001/* ----------------------------------------------------------------------- */
1002#ifdef __OpenBSD__
1003# ifdef INET6
1004# define USE_INET6
1005# endif
1006
1007# ifdef _KERNEL
1008# if !defined(IPFILTER_LKM)
1009# include "bpfilter.h"
1010# endif
1011# if (OpenBSD >= 200311)
1012# define SNPRINTF snprintf
1013# if defined(USE_INET6)
1014# include "netinet6/in6_var.h"
1015# include "netinet6/nd6.h"
1016# endif
1017# endif
1018# if (OpenBSD >= 200012)
1019# define HAVE_M_PULLDOWN 1
1020# endif
1021# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
1022# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
1023# define GETKTIME(x) microtime((struct timeval *)x)
1024# define MSGDSIZE(x) mbufchainlen(x)
1025# define M_LEN(x) (x)->m_len
1026# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
1027# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
1028typedef struct mbuf mb_t;
1029# endif /* _KERNEL */
1030# if (OpenBSD >= 199603)
1031# define IFNAME(x, b) ((struct ifnet *)x)->if_xname
1032# define COPYIFNAME(v, x, b) \
1033 (void) strncpy(b, \
1034 ((struct ifnet *)x)->if_xname, \
1035 LIFNAMSIZ)
1036# define CACHE_HASH(x) ((((struct ifnet *)fin->fin_ifp)->if_index)&7)
1037# else
1038# define IFNAME(x, b) ((struct ifnet *)x)->if_name
1039# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1040 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1041# endif
1042
1043typedef struct uio uio_t;
1044typedef u_long ioctlcmd_t;
1045typedef int minor_t;
1046typedef u_int32_t u_32_t;
1047# define U_32_T 1
1048
1049# define OS_RECOGNISED 1
1050#endif /* __OpenBSD__ */
1051
1052
1053/* ----------------------------------------------------------------------- */
1054/* B S D O S */
1055/* ----------------------------------------------------------------------- */
1056#ifdef _BSDI_VERSION
1057# ifdef INET6
1058# define USE_INET6
1059# endif
1060
1061# ifdef _KERNEL
1062# define GETKTIME(x) microtime((struct timeval *)x)
1063# define MSGDSIZE(x) mbufchainlen(x)
1064# define M_LEN(x) (x)->m_len
1065# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
1066# define IFNAME(x, b) ((struct ifnet *)x)->if_name
1067# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1068 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1069typedef struct mbuf mb_t;
1070# endif /* _KERNEL */
1071
1072# if (_BSDI_VERSION >= 199701)
1073typedef u_long ioctlcmd_t;
1074# else
1075typedef int ioctlcmd_t;
1076# endif
1077typedef u_int32_t u_32_t;
1078# define U_32_T 1
1079
1080#endif /* _BSDI_VERSION */
1081
1082
1083/* ----------------------------------------------------------------------- */
1084/* S U N O S 4 */
1085/* ----------------------------------------------------------------------- */
1086#if defined(sun) && !defined(OS_RECOGNISED) /* SunOS4 */
1087# ifdef _KERNEL
1088# include <sys/kmem_alloc.h>
1089# define GETKTIME(x) uniqtime((struct timeval *)x)
1090# define MSGDSIZE(x) mbufchainlen(x)
1091# define M_LEN(x) (x)->m_len
1092# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
1093# define IFNAME(x, b) ((struct ifnet *)x)->if_name
1094# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1095 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1096# define GETIFP(n, v) ifunit(n, IFNAMSIZ)
1097# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
1098# define KFREES(x,s) kmem_free((char *)(x), (s))
1099# define SLEEP(id, n) sleep((id), PZERO+1)
1100# define WAKEUP(id,x) wakeup(id + x)
1101# define POLLWAKEUP(x) ;
1102# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
1103# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
1104
1105extern void m_copydata __P((struct mbuf *, int, int, caddr_t));
1106extern void m_copyback __P((struct mbuf *, int, int, caddr_t));
1107
1108typedef struct mbuf mb_t;
1109# endif
1110
1111typedef struct uio uio_t;
1112typedef int ioctlcmd_t;
1113typedef int minor_t;
1114typedef unsigned int u_32_t;
1115# define U_32_T 1
1116
1117# define OS_RECOGNISED 1
1118
1119#endif /* SunOS 4 */
1120
1121/* ----------------------------------------------------------------------- */
1122/* L I N U X */
1123/* ----------------------------------------------------------------------- */
1124#if defined(linux) && !defined(OS_RECOGNISED)
1125#include <linux/config.h>
1126#include <linux/version.h>
1127# if (LINUX >= 20600) && defined(_KERNEL)
1128# define HDR_T_PRIVATE 1
1129# endif
1130# undef USE_INET6
1131# ifdef USE_INET6
1132struct ip6_ext {
1133 u_char ip6e_nxt;
1134 u_char ip6e_len;
1135};
1136# endif
1137
1138# ifdef _KERNEL
1139# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
1140# define COPYIN(a,b,c) copy_from_user((caddr_t)(b), (caddr_t)(a), (c))
1141# define COPYOUT(a,b,c) copy_to_user((caddr_t)(b), (caddr_t)(a), (c))
1142# define FREE_MB_T(m) kfree_skb(m)
1143# define GETKTIME(x) do_gettimeofday((struct timeval *)x)
1144# define POLLWAKEUP(x) ;
1145# ifdef wait_event_interruptible
1146# define SLEEP(x,s) wait_event_interruptible((*(x##_linux)), 0)
1147# else
1148# define SLEEP(x,s) 0, interruptible_sleep_on(x##_linux)
1149# endif
1150# define WAKEUP(x,y) wake_up(x##_linux + y)
1151# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
1152# define USE_MUTEXES
1153# define KRWLOCK_T rwlock_t
1154# define KMUTEX_T spinlock_t
1155# define MUTEX_INIT(x,y) spin_lock_init(&(x)->ipf_lk)
1156# define MUTEX_ENTER(x) spin_lock(&(x)->ipf_lk)
1157# define MUTEX_EXIT(x) spin_unlock(&(x)->ipf_lk)
1158# define MUTEX_DESTROY(x) do { } while (0)
1159# define MUTEX_NUKE(x) bzero(&(x)->ipf_lk, sizeof((x)->ipf_lk))
1160# define READ_ENTER(x) ipf_read_enter(x)
1161# define WRITE_ENTER(x) ipf_write_enter(x)
1162# define RWLOCK_INIT(x,y) ipf_rw_init(x, y)
1163# define RW_DESTROY(x) do { } while (0)
1164# define RWLOCK_EXIT(x) ipf_rw_exit(x)
1165# define MUTEX_DOWNGRADE(x) ipf_rw_downgrade(x)
1166# define ATOMIC_INCL(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1167 MUTEX_EXIT(&ipf_rw)
1168# define ATOMIC_DECL(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1169 MUTEX_EXIT(&ipf_rw)
1170# define ATOMIC_INC64(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1171 MUTEX_EXIT(&ipf_rw)
1172# define ATOMIC_INC32(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1173 MUTEX_EXIT(&ipf_rw)
1174# define ATOMIC_INC16(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1175 MUTEX_EXIT(&ipf_rw)
1176# define ATOMIC_DEC64(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1177 MUTEX_EXIT(&ipf_rw)
1178# define ATOMIC_DEC32(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1179 MUTEX_EXIT(&ipf_rw)
1180# define ATOMIC_DEC16(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1181 MUTEX_EXIT(&ipf_rw)
1182# define SPL_SCHED(x) do { } while (0)
1183# define SPL_IMP(x) do { } while (0)
1184# define SPL_NET(x) do { } while (0)
1185# define SPL_X(x) do { } while (0)
1186# define IFNAME(x) ((struct net_device*)x)->name
1187# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1188 ((struct net_device *)fin->fin_ifp)->ifindex) & 7)
1189typedef struct sk_buff mb_t;
1190extern void m_copydata __P((mb_t *, int, int, caddr_t));
1191extern void m_copyback __P((mb_t *, int, int, caddr_t));
1192extern void m_adj __P((mb_t *, int));
1193extern mb_t *m_pullup __P((mb_t *, int));
1194# define mbuf sk_buff
1195
1196# define mtod(m, t) ((t)(m)->data)
1197# define m_data data
1198# define m_len len
1199# define m_next next
1200# define M_DUPLICATE(m) skb_clone((m), in_interrupt() ? GFP_ATOMIC : \
1201 GFP_KERNEL)
1202# define MSGDSIZE(m) (m)->len
1203# define M_LEN(m) (m)->len
1204
1205# define splnet(x) ;
1206# define printf printk
1207# define bcopy(s,d,z) memmove(d, s, z)
1208# define bzero(s,z) memset(s, 0, z)
1209# define bcmp(a,b,z) memcmp(a, b, z)
1210
1211# define ifnet net_device
1212# define if_xname name
1213# define if_unit ifindex
1214
1215# define KMALLOC(x,t) (x) = (t)kmalloc(sizeof(*(x)), \
1216 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
1217# define KFREE(x) kfree(x)
1218# define KMALLOCS(x,t,s) (x) = (t)kmalloc((s), \
1219 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
1220# define KFREES(x,s) kfree(x)
1221
1222# define GETIFP(n,v) dev_get_by_name(n)
1223
1224# else
1225# include <net/ethernet.h>
1226
1227struct mbuf {
1228};
1229
1230# ifndef _NET_ROUTE_H
1231struct rtentry {
1232};
1233# endif
1234
1235struct ifnet {
1236 char if_xname[IFNAMSIZ];
1237 int if_unit;
1238 int (* if_output) __P((struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *));
1239 struct ifaddr *if_addrlist;
1240};
1241# define IFNAME(x) ((struct ifnet *)x)->if_xname
1242
1243# endif /* _KERNEL */
1244
1245# define COPYIFNAME(v, x, b) \
1246 (void) strncpy(b, \
1247 ((struct ifnet *)x)->if_xname, \
1248 LIFNAMSIZ)
1249
1250# include <linux/fs.h>
1251# define FWRITE FMODE_WRITE
1252# define FREAD FMODE_READ
1253
1254# define __USE_MISC 1
1255# define __FAVOR_BSD 1
1256
1257typedef struct uio {
1258 struct iovec *uio_iov;
1259 void *uio_file;
1260 char *uio_buf;
1261 int uio_iovcnt;
1262 int uio_offset;
1263 size_t uio_resid;
1264 int uio_rw;
1265} uio_t;
1266
1267extern int uiomove __P((caddr_t, size_t, int, struct uio *));
1268
1269# define UIO_READ 1
1270# define UIO_WRITE 2
1271
1272typedef u_long ioctlcmd_t;
1273typedef int minor_t;
1274typedef u_int32_t u_32_t;
1275# define U_32_T 1
1276
1277# define OS_RECOGNISED 1
1278
1279#endif
1280
1281
1282/* ----------------------------------------------------------------------- */
1283/* A I X */
1284/* ----------------------------------------------------------------------- */
1285#if defined(_AIX51)
1286# undef MENTAT
1287
1288# include <sys/lock.h>
1289# include <sys/sysmacros.h>
1290
1291# ifdef _KERNEL
1292# define rw_read_locked(x) 0
1293# include <net/net_globals.h>
1294# include <net/net_malloc.h>
1295# define KMUTEX_T simple_lock_t
1296# define KRWLOCK_T complex_lock_t
1297# define USE_MUTEXES 1
1298# define USE_SPL 1
1299# define READ_ENTER(x) lock_read((x)->ipf_lk)
1300# define WRITE_ENTER(x) lock_write((x)->ipf_lk)
1301# define MUTEX_DOWNGRADE(x) lock_write_to_read((x)->ipf_lk)
1302# define RWLOCK_INIT(x, y) lock_alloc(&(x)->ipf_lk, \
1303 LOCK_ALLOC_PIN, \
1304 (u_short)y, 0); \
1305 lock_init((x)->ipf_lk, TRUE)
1306# define RWLOCK_EXIT(x) lock_done((x)->ipf_lk)
1307# define RW_DESTROY(x) lock_free(&(x)->ipf_lk)
1308# define MUTEX_ENTER(x) simple_lock((x)->ipf_lk)
1309# define MUTEX_INIT(x, y) lock_alloc(&(x)->ipf_lk, \
1310 LOCK_ALLOC_PIN, \
1311 (u_short)y, 0); \
1312 simple_lock_init((x)->ipf_lk)
1313# define MUTEX_DESTROY(x) lock_free(&(x)->ipf_lk)
1314# define MUTEX_EXIT(x) simple_unlock((x)->ipf_lk)
1315# define MUTEX_NUKE(x) bzero(&(x)->ipf_lk, sizeof((x)->ipf_lk))
1316# define ATOMIC_INC64(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
1317 MUTEX_EXIT(&ipf_rw); }
1318# define ATOMIC_DEC64(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
1319 MUTEX_EXIT(&ipf_rw); }
1320# define ATOMIC_INC32(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
1321 MUTEX_EXIT(&ipf_rw); }
1322# define ATOMIC_DEC32(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
1323 MUTEX_EXIT(&ipf_rw); }
1324# define ATOMIC_INCL(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
1325 MUTEX_EXIT(&ipf_rw); }
1326# define ATOMIC_DECL(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
1327 MUTEX_EXIT(&ipf_rw); }
1328# define ATOMIC_INC(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
1329 MUTEX_EXIT(&ipf_rw); }
1330# define ATOMIC_DEC(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
1331 MUTEX_EXIT(&ipf_rw); }
1332# define SPL_SCHED(x) x = splsched()
1333# define SPL_NET(x) x = splnet()
1334# define SPL_IMP(x) x = splimp()
1335# undef SPL_X
1336# define SPL_X(x) splx(x)
1337# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
1338extern void* getifp __P((char *, int));
1339# define GETIFP(n, v) getifp(n, v)
1340# define GET_MINOR minor
1341# define SLEEP(id, n) sleepx((id), PZERO+1, 0)
1342# define WAKEUP(id,x) wakeup(id)
1343# define POLLWAKEUP(x) ;
1344# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
1345# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
1346# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), M_TEMP, M_NOWAIT)
1347# define KMALLOCS(a, b, c) MALLOC((a), b, (c), M_TEMP, \
1348 ((c) > 4096) ? M_WAITOK : M_NOWAIT)
1349# define KFREE(x) FREE((x), M_TEMP)
1350# define KFREES(x,s) FREE((x), M_TEMP)
1351# define MSGDSIZE(x) mbufchainlen(x)
1352# define M_LEN(x) (x)->m_len
1353# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
1354# define GETKTIME(x)
1355# define IFNAME(x, b) ((struct ifnet *)x)->if_name
1356# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1357 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1358# define IPF_PANIC(x,y)
1359typedef struct mbuf mb_t;
1360# endif /* _KERNEL */
1361
1362/*
1363 * These are from's Solaris' #defines for little endian.
1364 */
1365#if !defined(IP6F_MORE_FRAG)
1366# define IP6F_MORE_FRAG 0x0100
1367#endif
1368#if !defined(IP6F_RESERVED_MASK)
1369# define IP6F_RESERVED_MASK 0x0600
1370#endif
1371#if !defined(IP6F_OFF_MASK)
1372# define IP6F_OFF_MASK 0xf8ff
1373#endif
1374
1375struct ip6_ext {
1376 u_char ip6e_nxt;
1377 u_char ip6e_len;
1378};
1379
1380typedef int ioctlcmd_t;
1381typedef int minor_t;
1382/*
1383 * Really, any arch where sizeof(long) != sizeof(int).
1384 */
1385typedef unsigned int u_32_t;
1386# define U_32_T 1
1387
1388# define OS_RECOGNISED 1
1389#endif /* _AIX51 */
1390
1391
1392#ifndef OS_RECOGNISED
1393#error ip_compat.h does not recognise this platform/OS.
1394#endif
1395
1396
1397/* ----------------------------------------------------------------------- */
1398/* G E N E R I C */
1399/* ----------------------------------------------------------------------- */
1400#ifndef OS_RECOGNISED
1401#endif
1402
1403/*
1404 * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in
1405 * filter rules.
1406 */
1407#if !defined(IPFILTER_BPF)
1408# if (defined(NBPF) && (NBPF > 0)) || (defined(DEV_BPF) && (DEV_BPF > 0)) || \
1409 (defined(NBPFILTER) && (NBPFILTER > 0))
1410# define IPFILTER_BPF
1411# endif
1412#endif
1413
1414/*
1415 * Userland locking primitives
1416 */
1417typedef struct {
1418 char *eMm_owner;
1419 char *eMm_heldin;
1420 u_int eMm_magic;
1421 int eMm_held;
1422 int eMm_heldat;
1423#if defined(__hpux) || defined(__linux)
1424 char eMm_fill[8];
1425#endif
1426} eMmutex_t;
1427
1428typedef struct {
1429 char *eMrw_owner;
1430 char *eMrw_heldin;
1431 u_int eMrw_magic;
1432 short eMrw_read;
1433 short eMrw_write;
1434 int eMrw_heldat;
1435#ifdef __hpux
1436 char eMm_fill[24];
1437#endif
1438} eMrwlock_t;
1439
1440typedef union {
1441#ifdef KMUTEX_T
1442 struct {
1443 KMUTEX_T ipf_slk;
1444 char *ipf_lname;
1445 } ipf_lkun_s;
1446#endif
1447 eMmutex_t ipf_emu;
1448} ipfmutex_t;
1449
1450typedef union {
1451#ifdef KRWLOCK_T
1452 struct {
1453 KRWLOCK_T ipf_slk;
1454 char *ipf_lname;
1455 int ipf_sr;
1456 int ipf_sw;
1457 u_int ipf_magic;
1458 } ipf_lkun_s;
1459#endif
1460 eMrwlock_t ipf_emu;
1461} ipfrwlock_t;
1462
1463#define ipf_lk ipf_lkun_s.ipf_slk
1464#define ipf_lname ipf_lkun_s.ipf_lname
1465#define ipf_isr ipf_lkun_s.ipf_sr
1466#define ipf_isw ipf_lkun_s.ipf_sw
1467#define ipf_magic ipf_lkun_s.ipf_magic
1468
1469#if !defined(__GNUC__) || \
1470 (defined(__FreeBSD_version) && (__FreeBSD_version >= 503000))
1471# ifndef INLINE
1472# define INLINE
1473# endif
1474#else
1475# define INLINE __inline__
1476#endif
1477
1478#if defined(linux) && defined(_KERNEL)
1479extern void ipf_read_enter __P((ipfrwlock_t *));
1480extern void ipf_write_enter __P((ipfrwlock_t *));
1481extern void ipf_rw_exit __P((ipfrwlock_t *));
1482extern void ipf_rw_init __P((ipfrwlock_t *, char *));
1483extern void ipf_rw_downgrade __P((ipfrwlock_t *));
1484#endif
1485
1486/*
1487 * In a non-kernel environment, there are a lot of macros that need to be
1488 * filled in to be null-ops or to point to some compatibility function,
1489 * somewhere in userland.
1490 */
1491#ifndef _KERNEL
1492typedef struct mb_s {
1493 struct mb_s *mb_next;
1494 int mb_len;
1495 u_long mb_buf[2048];
1496} mb_t;
1497# undef m_next
1498# define m_next mb_next
1499# define MSGDSIZE(x) (x)->mb_len /* XXX - from ipt.c */
1500# define M_LEN(x) (x)->mb_len
1501# define M_DUPLICATE(x) (x)
1502# define GETKTIME(x) gettimeofday((struct timeval *)(x), NULL)
1503# undef MTOD
1504# define MTOD(m, t) ((t)(m)->mb_buf)
1505# define FREE_MB_T(x)
1506# define SLEEP(x,y) 1;
1507# define WAKEUP(x,y) ;
1508# define POLLWAKEUP(y) ;
1509# define IPF_PANIC(x,y) ;
1510# define PANIC(x,y) ;
1511# define SPL_SCHED(x) ;
1512# define SPL_NET(x) ;
1513# define SPL_IMP(x) ;
1514# define SPL_X(x) ;
1515# define KMALLOC(a,b) (a) = (b)malloc(sizeof(*a))
1516# define KMALLOCS(a,b,c) (a) = (b)malloc(c)
1517# define KFREE(x) free(x)
1518# define KFREES(x,s) free(x)
1519# define GETIFP(x, v) get_unit(x,v)
1520# define COPYIN(a,b,c) bcopywrap((a), (b), (c))
1521# define COPYOUT(a,b,c) bcopywrap((a), (b), (c))
1522# define COPYDATA(m, o, l, b) bcopy(MTOD((mb_t *)m, char *) + (o), \
1523 (b), (l))
1524# define COPYBACK(m, o, l, b) bcopy((b), \
1525 MTOD((mb_t *)m, char *) + (o), \
1526 (l))
1527# define UIOMOVE(a,b,c,d) ipfuiomove((caddr_t)a,b,c,d)
1528extern void m_copydata __P((mb_t *, int, int, caddr_t));
1529extern int ipfuiomove __P((caddr_t, int, int, struct uio *));
1530extern int bcopywrap __P((void *, void *, size_t));
1531# ifndef CACHE_HASH
1532# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1533 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1534# endif
1535
1536# define MUTEX_DESTROY(x) eMmutex_destroy(&(x)->ipf_emu)
1537# define MUTEX_ENTER(x) eMmutex_enter(&(x)->ipf_emu, \
1538 __FILE__, __LINE__)
1539# define MUTEX_EXIT(x) eMmutex_exit(&(x)->ipf_emu)
1540# define MUTEX_INIT(x,y) eMmutex_init(&(x)->ipf_emu, y)
1541# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
1542
1543# define MUTEX_DOWNGRADE(x) eMrwlock_downgrade(&(x)->ipf_emu, \
1544 __FILE__, __LINE__)
1545# define READ_ENTER(x) eMrwlock_read_enter(&(x)->ipf_emu, \
1546 __FILE__, __LINE__)
1547# define RWLOCK_INIT(x, y) eMrwlock_init(&(x)->ipf_emu, y)
1548# define RWLOCK_EXIT(x) eMrwlock_exit(&(x)->ipf_emu)
1549# define RW_DESTROY(x) eMrwlock_destroy(&(x)->ipf_emu)
1550# define WRITE_ENTER(x) eMrwlock_write_enter(&(x)->ipf_emu, \
1551 __FILE__, \
1552 __LINE__)
1553
1554# define USE_MUTEXES 1
1555
1556extern void eMmutex_destroy __P((eMmutex_t *));
1557extern void eMmutex_enter __P((eMmutex_t *, char *, int));
1558extern void eMmutex_exit __P((eMmutex_t *));
1559extern void eMmutex_init __P((eMmutex_t *, char *));
1560extern void eMrwlock_destroy __P((eMrwlock_t *));
1561extern void eMrwlock_exit __P((eMrwlock_t *));
1562extern void eMrwlock_init __P((eMrwlock_t *, char *));
1563extern void eMrwlock_read_enter __P((eMrwlock_t *, char *, int));
1564extern void eMrwlock_write_enter __P((eMrwlock_t *, char *, int));
1565extern void eMrwlock_downgrade __P((eMrwlock_t *, char *, int));
1566
1567#endif
1568
1569#define MAX_IPV4HDR ((0xf << 2) + sizeof(struct icmp) + sizeof(ip_t) + 8)
1570
1571#ifndef IP_OFFMASK
1572# define IP_OFFMASK 0x1fff
1573#endif
1574
1575
1576/*
1577 * On BSD's use quad_t as a guarantee for getting at least a 64bit sized
1578 * object.
1579 */
1580#if (BSD > 199306)
1581# define USE_QUAD_T
1582# define U_QUAD_T unsigned long long
1583# define QUAD_T long long
1584#else /* BSD > 199306 */
1585# define U_QUAD_T u_long
1586# define QUAD_T long
1587#endif /* BSD > 199306 */
1588
1589
1590#ifdef USE_INET6
1591# if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
1592 defined(__osf__) || defined(linux)
1593# include <netinet/ip6.h>
1594# include <netinet/icmp6.h>
1595# if !defined(linux)
1596# if defined(_KERNEL) && !defined(__osf__)
1597# include <netinet6/ip6_var.h>
1598# endif
1599# endif
1600typedef struct ip6_hdr ip6_t;
1601# endif
1602#endif
1603
1604#ifndef MAX
1605# define MAX(a,b) (((a) > (b)) ? (a) : (b))
1606#endif
1607
1608#if defined(_KERNEL)
1609# ifdef MENTAT
1610# define COPYDATA mb_copydata
1611# define COPYBACK mb_copyback
1612# else
1613# define COPYDATA m_copydata
1614# define COPYBACK m_copyback
1615# endif
1616# if (BSD >= 199306) || defined(__FreeBSD__)
1617# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \
1618 defined(__FreeBSD__) || (defined(OpenBSD) && (OpenBSD < 200206)) || \
1619 defined(_BSDI_VERSION)
1620# include <vm/vm.h>
1621# endif
1622# if !defined(__FreeBSD__) || (defined (__FreeBSD_version) && \
1623 (__FreeBSD_version >= 300000))
1624# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105180000)) || \
1625 (defined(OpenBSD) && (OpenBSD >= 200111))
1626# include <uvm/uvm_extern.h>
1627# else
1628# include <vm/vm_extern.h>
1629extern vm_map_t kmem_map;
1630# endif
1631# include <sys/proc.h>
1632# else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
1633# include <vm/vm_kern.h>
1634# endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
1635
1636# ifdef IPFILTER_M_IPFILTER
1637# include <sys/malloc.h>
1638MALLOC_DECLARE(M_IPFILTER);
1639# define _M_IPF M_IPFILTER
1640# else /* IPFILTER_M_IPFILTER */
1641# ifdef M_PFIL
1642# define _M_IPF M_PFIL
1643# else
1644# ifdef M_IPFILTER
1645# define _M_IPF M_IPFILTER
1646# else
1647# define _M_IPF M_TEMP
1648# endif /* M_IPFILTER */
1649# endif /* M_PFIL */
1650# endif /* IPFILTER_M_IPFILTER */
1651# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), _M_IPF, M_NOWAIT)
1652# if !defined(KMALLOCS)
1653# define KMALLOCS(a, b, c) MALLOC((a), b, (c), _M_IPF, M_NOWAIT)
1654# endif
1655# define KFREE(x) FREE((x), _M_IPF)
1656# define KFREES(x,s) FREE((x), _M_IPF)
1657# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,d)
1658# define SLEEP(id, n) tsleep((id), PPAUSE|PCATCH, n, 0)
1659# define WAKEUP(id,x) wakeup(id+x)
1660# define POLLWAKEUP(x) selwakeup(ipfselwait+x)
1661# define GETIFP(n, v) ifunit(n)
1662# endif /* (Free)BSD */
1663
1664# if !defined(USE_MUTEXES) && !defined(SPL_NET)
1665# if (defined(NetBSD) && (NetBSD <= 1991011) && (NetBSD >= 199407)) || \
1666 (defined(OpenBSD) && (OpenBSD >= 200006))
1667# define SPL_NET(x) x = splsoftnet()
1668# else
1669# define SPL_IMP(x) x = splimp()
1670# define SPL_NET(x) x = splnet()
1671# endif /* NetBSD && (NetBSD <= 1991011) && (NetBSD >= 199407) */
1672# if !defined(SPL_SCHED)
1673# define SPL_SCHED(x) x = splsched()
1674# endif
1675# define SPL_X(x) (void) splx(x)
1676# endif /* !USE_MUTEXES */
1677
1678# ifndef FREE_MB_T
1679# define FREE_MB_T(m) m_freem(m)
1680# endif
1681
1682# ifndef MTOD
1683# define MTOD(m,t) mtod(m,t)
1684# endif
1685
1686# ifndef COPYIN
1687# define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1688# define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1689# endif
1690
1691# ifndef KMALLOC
1692# define KMALLOC(a,b) (a) = (b)new_kmem_alloc(sizeof(*(a)), \
1693 KMEM_NOSLEEP)
1694# define KMALLOCS(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP)
1695# endif
1696
1697# ifndef GET_MINOR
1698# define GET_MINOR(x) minor(x)
1699# endif
1700# define PANIC(x,y) if (x) panic y
1701#endif /* _KERNEL */
1702
1703#if !defined(IFNAME) && !defined(_KERNEL)
1704# define IFNAME(x) ((struct ifnet *)x)->if_name
1705#endif
1706#ifndef COPYIFNAME
1707# define NEED_FRGETIFNAME
1708extern char *fr_getifname __P((struct ifnet *, char *));
1709# define COPYIFNAME(v, x, b) \
1710 fr_getifname((struct ifnet *)x, b)
1711#endif
1712
1713#ifndef ASSERT
1714# ifdef _KERNEL
1715# define ASSERT(x)
1716# else
1717# define ASSERT(x) do { if (!(x)) abort(); } while (0)
1718# endif
1719#endif
1720
1721#ifndef BCOPYIN
1722# define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1723# define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1724#endif
1725
1726/*
1727 * Because the ctype(3) posix definition, if used "safely" in code everywhere,
1728 * would mean all normal code that walks through strings needed casts. Yuck.
1729 */
1730#define ISALNUM(x) isalnum((u_char)(x))
1731#define ISALPHA(x) isalpha((u_char)(x))
1732#define ISASCII(x) isascii((u_char)(x))
1733#define ISDIGIT(x) isdigit((u_char)(x))
1734#define ISPRINT(x) isprint((u_char)(x))
1735#define ISSPACE(x) isspace((u_char)(x))
1736#define ISUPPER(x) isupper((u_char)(x))
1737#define ISXDIGIT(x) isxdigit((u_char)(x))
1738#define ISLOWER(x) islower((u_char)(x))
1739#define TOUPPER(x) toupper((u_char)(x))
1740#define TOLOWER(x) tolower((u_char)(x))
1741
1742/*
1743 * If mutexes aren't being used, turn all the mutex functions into null-ops.
1744 */
1745#if !defined(USE_MUTEXES)
1746# define USE_SPL 1
1747# undef RW_DESTROY
1748# undef MUTEX_INIT
1749# undef MUTEX_NUKE
1750# undef MUTEX_DESTROY
1751# define MUTEX_ENTER(x) ;
1752# define READ_ENTER(x) ;
1753# define WRITE_ENTER(x) ;
1754# define MUTEX_DOWNGRADE(x) ;
1755# define RWLOCK_INIT(x, y) ;
1756# define RWLOCK_EXIT(x) ;
1757# define RW_DESTROY(x) ;
1758# define MUTEX_EXIT(x) ;
1759# define MUTEX_INIT(x,y) ;
1760# define MUTEX_DESTROY(x) ;
1761# define MUTEX_NUKE(x) ;
1762#endif /* !USE_MUTEXES */
1763#ifndef ATOMIC_INC
1764# define ATOMIC_INC(x) (x)++
1765# define ATOMIC_DEC(x) (x)--
1766#endif
1767
1768#if defined(USE_SPL) && defined(_KERNEL)
1769# define SPL_INT(x) int x
1770#else
1771# define SPL_INT(x)
1772#endif
1773
1774/*
1775 * If there are no atomic operations for bit sizes defined, define them to all
1776 * use a generic one that works for all sizes.
1777 */
1778#ifndef ATOMIC_INCL
1779# define ATOMIC_INCL ATOMIC_INC
1780# define ATOMIC_INC64 ATOMIC_INC
1781# define ATOMIC_INC32 ATOMIC_INC
1782# define ATOMIC_INC16 ATOMIC_INC
1783# define ATOMIC_DECL ATOMIC_DEC
1784# define ATOMIC_DEC64 ATOMIC_DEC
1785# define ATOMIC_DEC32 ATOMIC_DEC
1786# define ATOMIC_DEC16 ATOMIC_DEC
1787#endif
1788
1789#ifndef HDR_T_PRIVATE
1790typedef struct tcphdr tcphdr_t;
1791typedef struct udphdr udphdr_t;
1792#endif
1793typedef struct icmp icmphdr_t;
1794typedef struct ip ip_t;
1795typedef struct ether_header ether_header_t;
1796typedef struct tcpiphdr tcpiphdr_t;
1797
1798#ifndef FR_GROUPLEN
1799# define FR_GROUPLEN 16
1800#endif
1801
1802#ifndef offsetof
1803# define offsetof(t,m) (int)((&((t *)0L)->m))
1804#endif
1805
1806/*
1807 * This set of macros has been brought about because on Tru64 it is not
1808 * possible to easily assign or examine values in a structure that are
1809 * bit fields.
1810 */
1811#ifndef IP_V
1812# define IP_V(x) (x)->ip_v
1813#endif
1814#ifndef IP_V_A
1815# define IP_V_A(x,y) (x)->ip_v = (y)
1816#endif
1817#ifndef IP_HL
1818# define IP_HL(x) (x)->ip_hl
1819#endif
1820#ifndef IP_HL_A
1821# define IP_HL_A(x,y) (x)->ip_hl = ((y) & 0xf)
1822#endif
1823#ifndef TCP_X2
1824# define TCP_X2(x) (x)->th_x2
1825#endif
1826#ifndef TCP_X2_A
1827# define TCP_X2_A(x,y) (x)->th_x2 = (y)
1828#endif
1829#ifndef TCP_OFF
1830# define TCP_OFF(x) (x)->th_off
1831#endif
1832#ifndef TCP_OFF_A
1833# define TCP_OFF_A(x,y) (x)->th_off = (y)
1834#endif
1835#define IPMINLEN(i, h) ((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h)))
1836
1837
1838/*
1839 * XXX - This is one of those *awful* hacks which nobody likes
1840 */
1841#ifdef ultrix
1842#define A_A
1843#else
1844#define A_A &
1845#endif
1846
1847#define TCPF_ALL (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\
1848 TH_ECN|TH_CWR)
1849
1850#if (BSD >= 199306) && !defined(m_act)
1851# define m_act m_nextpkt
1852#endif
1853
1854/*
1855 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108.
1856 *
1857 * Basic Option
1858 *
1859 * 00000001 - (Reserved 4)
1860 * 00111101 - Top Secret
1861 * 01011010 - Secret
1862 * 10010110 - Confidential
1863 * 01100110 - (Reserved 3)
1864 * 11001100 - (Reserved 2)
1865 * 10101011 - Unclassified
1866 * 11110001 - (Reserved 1)
1867 */
1868#define IPSO_CLASS_RES4 0x01
1869#define IPSO_CLASS_TOPS 0x3d
1870#define IPSO_CLASS_SECR 0x5a
1871#define IPSO_CLASS_CONF 0x96
1872#define IPSO_CLASS_RES3 0x66
1873#define IPSO_CLASS_RES2 0xcc
1874#define IPSO_CLASS_UNCL 0xab
1875#define IPSO_CLASS_RES1 0xf1
1876
1877#define IPSO_AUTH_GENSER 0x80
1878#define IPSO_AUTH_ESI 0x40
1879#define IPSO_AUTH_SCI 0x20
1880#define IPSO_AUTH_NSA 0x10
1881#define IPSO_AUTH_DOE 0x08
1882#define IPSO_AUTH_UN 0x06
1883#define IPSO_AUTH_FTE 0x01
1884
1885/*
1886 * IP option #defines
1887 */
1888#undef IPOPT_RR
1889#define IPOPT_RR 7
1890#undef IPOPT_ZSU
1891#define IPOPT_ZSU 10 /* ZSU */
1892#undef IPOPT_MTUP
1893#define IPOPT_MTUP 11 /* MTUP */
1894#undef IPOPT_MTUR
1895#define IPOPT_MTUR 12 /* MTUR */
1896#undef IPOPT_ENCODE
1897#define IPOPT_ENCODE 15 /* ENCODE */
1898#undef IPOPT_TS
1899#define IPOPT_TS 68
1900#undef IPOPT_TR
1901#define IPOPT_TR 82 /* TR */
1902#undef IPOPT_SECURITY
1903#define IPOPT_SECURITY 130
1904#undef IPOPT_LSRR
1905#define IPOPT_LSRR 131
1906#undef IPOPT_E_SEC
1907#define IPOPT_E_SEC 133 /* E-SEC */
1908#undef IPOPT_CIPSO
1909#define IPOPT_CIPSO 134 /* CIPSO */
1910#undef IPOPT_SATID
1911#define IPOPT_SATID 136
1912#ifndef IPOPT_SID
1913# define IPOPT_SID IPOPT_SATID
1914#endif
1915#undef IPOPT_SSRR
1916#define IPOPT_SSRR 137
1917#undef IPOPT_ADDEXT
1918#define IPOPT_ADDEXT 147 /* ADDEXT */
1919#undef IPOPT_VISA
1920#define IPOPT_VISA 142 /* VISA */
1921#undef IPOPT_IMITD
1922#define IPOPT_IMITD 144 /* IMITD */
1923#undef IPOPT_EIP
1924#define IPOPT_EIP 145 /* EIP */
1925#undef IPOPT_RTRALRT
1926#define IPOPT_RTRALRT 148 /* RTRALRT */
1927#undef IPOPT_SDB
1928#define IPOPT_SDB 149
1929#undef IPOPT_NSAPA
1930#define IPOPT_NSAPA 150
1931#undef IPOPT_DPS
1932#define IPOPT_DPS 151
1933#undef IPOPT_UMP
1934#define IPOPT_UMP 152
1935#undef IPOPT_FINN
1936#define IPOPT_FINN 205 /* FINN */
1937
1938#ifndef TCPOPT_EOL
1939# define TCPOPT_EOL 0
1940#endif
1941#ifndef TCPOPT_NOP
1942# define TCPOPT_NOP 1
1943#endif
1944#ifndef TCPOPT_MAXSEG
1945# define TCPOPT_MAXSEG 2
1946#endif
1947#ifndef TCPOLEN_MAXSEG
1948# define TCPOLEN_MAXSEG 4
1949#endif
1950#ifndef TCPOPT_WINDOW
1951# define TCPOPT_WINDOW 3
1952#endif
1953#ifndef TCPOLEN_WINDOW
1954# define TCPOLEN_WINDOW 3
1955#endif
1956#ifndef TCPOPT_SACK_PERMITTED
1957# define TCPOPT_SACK_PERMITTED 4
1958#endif
1959#ifndef TCPOLEN_SACK_PERMITTED
1960# define TCPOLEN_SACK_PERMITTED 2
1961#endif
1962#ifndef TCPOPT_SACK
1963# define TCPOPT_SACK 5
1964#endif
1965#ifndef TCPOPT_TIMESTAMP
1966# define TCPOPT_TIMESTAMP 8
1967#endif
1968
1969#ifndef ICMP_MINLEN
1970# define ICMP_MINLEN 8
1971#endif
1972#ifndef ICMP_ECHOREPLY
1973# define ICMP_ECHOREPLY 0
1974#endif
1975#ifndef ICMP_UNREACH
1976# define ICMP_UNREACH 3
1977#endif
1978#ifndef ICMP_UNREACH_NET
1979# define ICMP_UNREACH_NET 0
1980#endif
1981#ifndef ICMP_UNREACH_HOST
1982# define ICMP_UNREACH_HOST 1
1983#endif
1984#ifndef ICMP_UNREACH_PROTOCOL
1985# define ICMP_UNREACH_PROTOCOL 2
1986#endif
1987#ifndef ICMP_UNREACH_PORT
1988# define ICMP_UNREACH_PORT 3
1989#endif
1990#ifndef ICMP_UNREACH_NEEDFRAG
1991# define ICMP_UNREACH_NEEDFRAG 4
1992#endif
1993#ifndef ICMP_UNREACH_SRCFAIL
1994# define ICMP_UNREACH_SRCFAIL 5
1995#endif
1996#ifndef ICMP_UNREACH_NET_UNKNOWN
1997# define ICMP_UNREACH_NET_UNKNOWN 6
1998#endif
1999#ifndef ICMP_UNREACH_HOST_UNKNOWN
2000# define ICMP_UNREACH_HOST_UNKNOWN 7
2001#endif
2002#ifndef ICMP_UNREACH_ISOLATED
2003# define ICMP_UNREACH_ISOLATED 8
2004#endif
2005#ifndef ICMP_UNREACH_NET_PROHIB
2006# define ICMP_UNREACH_NET_PROHIB 9
2007#endif
2008#ifndef ICMP_UNREACH_HOST_PROHIB
2009# define ICMP_UNREACH_HOST_PROHIB 10
2010#endif
2011#ifndef ICMP_UNREACH_TOSNET
2012# define ICMP_UNREACH_TOSNET 11
2013#endif
2014#ifndef ICMP_UNREACH_TOSHOST
2015# define ICMP_UNREACH_TOSHOST 12
2016#endif
2017#ifndef ICMP_UNREACH_ADMIN_PROHIBIT
2018# define ICMP_UNREACH_ADMIN_PROHIBIT 13
2019#endif
2020#ifndef ICMP_UNREACH_FILTER
2021# define ICMP_UNREACH_FILTER 13
2022#endif
2023#ifndef ICMP_UNREACH_HOST_PRECEDENCE
2024# define ICMP_UNREACH_HOST_PRECEDENCE 14
2025#endif
2026#ifndef ICMP_UNREACH_PRECEDENCE_CUTOFF
2027# define ICMP_UNREACH_PRECEDENCE_CUTOFF 15
2028#endif
2029#ifndef ICMP_SOURCEQUENCH
2030# define ICMP_SOURCEQUENCH 4
2031#endif
2032#ifndef ICMP_REDIRECT_NET
2033# define ICMP_REDIRECT_NET 0
2034#endif
2035#ifndef ICMP_REDIRECT_HOST
2036# define ICMP_REDIRECT_HOST 1
2037#endif
2038#ifndef ICMP_REDIRECT_TOSNET
2039# define ICMP_REDIRECT_TOSNET 2
2040#endif
2041#ifndef ICMP_REDIRECT_TOSHOST
2042# define ICMP_REDIRECT_TOSHOST 3
2043#endif
2044#ifndef ICMP_ALTHOSTADDR
2045# define ICMP_ALTHOSTADDR 6
2046#endif
2047#ifndef ICMP_TIMXCEED
2048# define ICMP_TIMXCEED 11
2049#endif
2050#ifndef ICMP_TIMXCEED_INTRANS
2051# define ICMP_TIMXCEED_INTRANS 0
2052#endif
2053#ifndef ICMP_TIMXCEED_REASS
2054# define ICMP_TIMXCEED_REASS 1
2055#endif
2056#ifndef ICMP_PARAMPROB
2057# define ICMP_PARAMPROB 12
2058#endif
2059#ifndef ICMP_PARAMPROB_ERRATPTR
2060# define ICMP_PARAMPROB_ERRATPTR 0
2061#endif
2062#ifndef ICMP_PARAMPROB_OPTABSENT
2063# define ICMP_PARAMPROB_OPTABSENT 1
2064#endif
2065#ifndef ICMP_PARAMPROB_LENGTH
2066# define ICMP_PARAMPROB_LENGTH 2
2067#endif
2068#ifndef ICMP_TSTAMP
2069# define ICMP_TSTAMP 13
2070#endif
2071#ifndef ICMP_TSTAMPREPLY
2072# define ICMP_TSTAMPREPLY 14
2073#endif
2074#ifndef ICMP_IREQ
2075# define ICMP_IREQ 15
2076#endif
2077#ifndef ICMP_IREQREPLY
2078# define ICMP_IREQREPLY 16
2079#endif
2080#ifndef ICMP_MASKREQ
2081# define ICMP_MASKREQ 17
2082#endif
2083#ifndef ICMP_MASKREPLY
2084# define ICMP_MASKREPLY 18
2085#endif
2086#ifndef ICMP_TRACEROUTE
2087# define ICMP_TRACEROUTE 30
2088#endif
2089#ifndef ICMP_DATACONVERR
2090# define ICMP_DATACONVERR 31
2091#endif
2092#ifndef ICMP_MOBILE_REDIRECT
2093# define ICMP_MOBILE_REDIRECT 32
2094#endif
2095#ifndef ICMP_IPV6_WHEREAREYOU
2096# define ICMP_IPV6_WHEREAREYOU 33
2097#endif
2098#ifndef ICMP_IPV6_IAMHERE
2099# define ICMP_IPV6_IAMHERE 34
2100#endif
2101#ifndef ICMP_MOBILE_REGREQUEST
2102# define ICMP_MOBILE_REGREQUEST 35
2103#endif
2104#ifndef ICMP_MOBILE_REGREPLY
2105# define ICMP_MOBILE_REGREPLY 36
2106#endif
2107#ifndef ICMP_SKIP
2108# define ICMP_SKIP 39
2109#endif
2110#ifndef ICMP_PHOTURIS
2111# define ICMP_PHOTURIS 40
2112#endif
2113#ifndef ICMP_PHOTURIS_UNKNOWN_INDEX
2114# define ICMP_PHOTURIS_UNKNOWN_INDEX 1
2115#endif
2116#ifndef ICMP_PHOTURIS_AUTH_FAILED
2117# define ICMP_PHOTURIS_AUTH_FAILED 2
2118#endif
2119#ifndef ICMP_PHOTURIS_DECRYPT_FAILED
2120# define ICMP_PHOTURIS_DECRYPT_FAILED 3
2121#endif
2122#ifndef IPVERSION
2123# define IPVERSION 4
2124#endif
2125#ifndef IPOPT_MINOFF
2126# define IPOPT_MINOFF 4
2127#endif
2128#ifndef IPOPT_COPIED
2129# define IPOPT_COPIED(x) ((x)&0x80)
2130#endif
2131#ifndef IPOPT_EOL
2132# define IPOPT_EOL 0
2133#endif
2134#ifndef IPOPT_NOP
2135# define IPOPT_NOP 1
2136#endif
2137#ifndef IP_MF
2138# define IP_MF ((u_short)0x2000)
2139#endif
2140#ifndef ETHERTYPE_IP
2141# define ETHERTYPE_IP ((u_short)0x0800)
2142#endif
2143#ifndef TH_FIN
2144# define TH_FIN 0x01
2145#endif
2146#ifndef TH_SYN
2147# define TH_SYN 0x02
2148#endif
2149#ifndef TH_RST
2150# define TH_RST 0x04
2151#endif
2152#ifndef TH_PUSH
2153# define TH_PUSH 0x08
2154#endif
2155#ifndef TH_ACK
2156# define TH_ACK 0x10
2157#endif
2158#ifndef TH_URG
2159# define TH_URG 0x20
2160#endif
2161#undef TH_ACKMASK
2162#define TH_ACKMASK (TH_FIN|TH_SYN|TH_RST|TH_ACK)
2163
2164#ifndef IPOPT_EOL
2165# define IPOPT_EOL 0
2166#endif
2167#ifndef IPOPT_NOP
2168# define IPOPT_NOP 1
2169#endif
2170#ifndef IPOPT_RR
2171# define IPOPT_RR 7
2172#endif
2173#ifndef IPOPT_TS
2174# define IPOPT_TS 68
2175#endif
2176#ifndef IPOPT_SECURITY
2177# define IPOPT_SECURITY 130
2178#endif
2179#ifndef IPOPT_LSRR
2180# define IPOPT_LSRR 131
2181#endif
2182#ifndef IPOPT_SATID
2183# define IPOPT_SATID 136
2184#endif
2185#ifndef IPOPT_SSRR
2186# define IPOPT_SSRR 137
2187#endif
2188#ifndef IPOPT_SECUR_UNCLASS
2189# define IPOPT_SECUR_UNCLASS ((u_short)0x0000)
2190#endif
2191#ifndef IPOPT_SECUR_CONFID
2192# define IPOPT_SECUR_CONFID ((u_short)0xf135)
2193#endif
2194#ifndef IPOPT_SECUR_EFTO
2195# define IPOPT_SECUR_EFTO ((u_short)0x789a)
2196#endif
2197#ifndef IPOPT_SECUR_MMMM
2198# define IPOPT_SECUR_MMMM ((u_short)0xbc4d)
2199#endif
2200#ifndef IPOPT_SECUR_RESTR
2201# define IPOPT_SECUR_RESTR ((u_short)0xaf13)
2202#endif
2203#ifndef IPOPT_SECUR_SECRET
2204# define IPOPT_SECUR_SECRET ((u_short)0xd788)
2205#endif
2206#ifndef IPOPT_SECUR_TOPSECRET
2207# define IPOPT_SECUR_TOPSECRET ((u_short)0x6bc5)
2208#endif
2209#ifndef IPOPT_OLEN
2210# define IPOPT_OLEN 1
2211#endif
2212#ifndef IPPROTO_HOPOPTS
2213# define IPPROTO_HOPOPTS 0
2214#endif
2215#ifndef IPPROTO_ENCAP
2216# define IPPROTO_ENCAP 4
2217#endif
2218#ifndef IPPROTO_IPV6
2219# define IPPROTO_IPV6 41
2220#endif
2221#ifndef IPPROTO_ROUTING
2222# define IPPROTO_ROUTING 43
2223#endif
2224#ifndef IPPROTO_FRAGMENT
2225# define IPPROTO_FRAGMENT 44
2226#endif
2227#ifndef IPPROTO_GRE
2228# define IPPROTO_GRE 47 /* GRE encaps RFC 1701 */
2229#endif
2230#ifndef IPPROTO_ESP
2231# define IPPROTO_ESP 50
2232#endif
2233#ifndef IPPROTO_AH
2234# define IPPROTO_AH 51
2235#endif
2236#ifndef IPPROTO_ICMPV6
2237# define IPPROTO_ICMPV6 58
2238#endif
2239#ifndef IPPROTO_NONE
2240# define IPPROTO_NONE 59
2241#endif
2242#ifndef IPPROTO_DSTOPTS
2243# define IPPROTO_DSTOPTS 60
2244#endif
2245#ifndef IPPROTO_MOBILITY
2246# define IPPROTO_MOBILITY 135
2247#endif
2248
2249#ifndef ICMP_ROUTERADVERT
2250# define ICMP_ROUTERADVERT 9
2251#endif
2252#ifndef ICMP_ROUTERSOLICIT
2253# define ICMP_ROUTERSOLICIT 10
2254#endif
2255#ifndef ICMP6_DST_UNREACH
2256# define ICMP6_DST_UNREACH 1
2257#endif
2258#ifndef ICMP6_PACKET_TOO_BIG
2259# define ICMP6_PACKET_TOO_BIG 2
2260#endif
2261#ifndef ICMP6_TIME_EXCEEDED
2262# define ICMP6_TIME_EXCEEDED 3
2263#endif
2264#ifndef ICMP6_PARAM_PROB
2265# define ICMP6_PARAM_PROB 4
2266#endif
2267
2268#ifndef ICMP6_ECHO_REQUEST
2269# define ICMP6_ECHO_REQUEST 128
2270#endif
2271#ifndef ICMP6_ECHO_REPLY
2272# define ICMP6_ECHO_REPLY 129
2273#endif
2274#ifndef ICMP6_MEMBERSHIP_QUERY
2275# define ICMP6_MEMBERSHIP_QUERY 130
2276#endif
2277#ifndef MLD6_LISTENER_QUERY
2278# define MLD6_LISTENER_QUERY 130
2279#endif
2280#ifndef ICMP6_MEMBERSHIP_REPORT
2281# define ICMP6_MEMBERSHIP_REPORT 131
2282#endif
2283#ifndef MLD6_LISTENER_REPORT
2284# define MLD6_LISTENER_REPORT 131
2285#endif
2286#ifndef ICMP6_MEMBERSHIP_REDUCTION
2287# define ICMP6_MEMBERSHIP_REDUCTION 132
2288#endif
2289#ifndef MLD6_LISTENER_DONE
2290# define MLD6_LISTENER_DONE 132
2291#endif
2292#ifndef ND_ROUTER_SOLICIT
2293# define ND_ROUTER_SOLICIT 133
2294#endif
2295#ifndef ND_ROUTER_ADVERT
2296# define ND_ROUTER_ADVERT 134
2297#endif
2298#ifndef ND_NEIGHBOR_SOLICIT
2299# define ND_NEIGHBOR_SOLICIT 135
2300#endif
2301#ifndef ND_NEIGHBOR_ADVERT
2302# define ND_NEIGHBOR_ADVERT 136
2303#endif
2304#ifndef ND_REDIRECT
2305# define ND_REDIRECT 137
2306#endif
2307#ifndef ICMP6_ROUTER_RENUMBERING
2308# define ICMP6_ROUTER_RENUMBERING 138
2309#endif
2310#ifndef ICMP6_WRUREQUEST
2311# define ICMP6_WRUREQUEST 139
2312#endif
2313#ifndef ICMP6_WRUREPLY
2314# define ICMP6_WRUREPLY 140
2315#endif
2316#ifndef ICMP6_FQDN_QUERY
2317# define ICMP6_FQDN_QUERY 139
2318#endif
2319#ifndef ICMP6_FQDN_REPLY
2320# define ICMP6_FQDN_REPLY 140
2321#endif
2322#ifndef ICMP6_NI_QUERY
2323# define ICMP6_NI_QUERY 139
2324#endif
2325#ifndef ICMP6_NI_REPLY
2326# define ICMP6_NI_REPLY 140
2327#endif
2328#ifndef MLD6_MTRACE_RESP
2329# define MLD6_MTRACE_RESP 200
2330#endif
2331#ifndef MLD6_MTRACE
2332# define MLD6_MTRACE 201
2333#endif
2334#ifndef ICMP6_HADISCOV_REQUEST
2335# define ICMP6_HADISCOV_REQUEST 202
2336#endif
2337#ifndef ICMP6_HADISCOV_REPLY
2338# define ICMP6_HADISCOV_REPLY 203
2339#endif
2340#ifndef ICMP6_MOBILEPREFIX_SOLICIT
2341# define ICMP6_MOBILEPREFIX_SOLICIT 204
2342#endif
2343#ifndef ICMP6_MOBILEPREFIX_ADVERT
2344# define ICMP6_MOBILEPREFIX_ADVERT 205
2345#endif
2346#ifndef ICMP6_MAXTYPE
2347# define ICMP6_MAXTYPE 205
2348#endif
2349
2350#ifndef ICMP6_DST_UNREACH_NOROUTE
2351# define ICMP6_DST_UNREACH_NOROUTE 0
2352#endif
2353#ifndef ICMP6_DST_UNREACH_ADMIN
2354# define ICMP6_DST_UNREACH_ADMIN 1
2355#endif
2356#ifndef ICMP6_DST_UNREACH_NOTNEIGHBOR
2357# define ICMP6_DST_UNREACH_NOTNEIGHBOR 2
2358#endif
2359#ifndef ICMP6_DST_UNREACH_BEYONDSCOPE
2360# define ICMP6_DST_UNREACH_BEYONDSCOPE 2
2361#endif
2362#ifndef ICMP6_DST_UNREACH_ADDR
2363# define ICMP6_DST_UNREACH_ADDR 3
2364#endif
2365#ifndef ICMP6_DST_UNREACH_NOPORT
2366# define ICMP6_DST_UNREACH_NOPORT 4
2367#endif
2368#ifndef ICMP6_TIME_EXCEED_TRANSIT
2369# define ICMP6_TIME_EXCEED_TRANSIT 0
2370#endif
2371#ifndef ICMP6_TIME_EXCEED_REASSEMBLY
2372# define ICMP6_TIME_EXCEED_REASSEMBLY 1
2373#endif
2374
2375#ifndef ICMP6_NI_SUCCESS
2376# define ICMP6_NI_SUCCESS 0
2377#endif
2378#ifndef ICMP6_NI_REFUSED
2379# define ICMP6_NI_REFUSED 1
2380#endif
2381#ifndef ICMP6_NI_UNKNOWN
2382# define ICMP6_NI_UNKNOWN 2
2383#endif
2384
2385#ifndef ICMP6_ROUTER_RENUMBERING_COMMAND
2386# define ICMP6_ROUTER_RENUMBERING_COMMAND 0
2387#endif
2388#ifndef ICMP6_ROUTER_RENUMBERING_RESULT
2389# define ICMP6_ROUTER_RENUMBERING_RESULT 1
2390#endif
2391#ifndef ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET
2392# define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255
2393#endif
2394
2395#ifndef ICMP6_PARAMPROB_HEADER
2396# define ICMP6_PARAMPROB_HEADER 0
2397#endif
2398#ifndef ICMP6_PARAMPROB_NEXTHEADER
2399# define ICMP6_PARAMPROB_NEXTHEADER 1
2400#endif
2401#ifndef ICMP6_PARAMPROB_OPTION
2402# define ICMP6_PARAMPROB_OPTION 2
2403#endif
2404
2405#ifndef ICMP6_NI_SUBJ_IPV6
2406# define ICMP6_NI_SUBJ_IPV6 0
2407#endif
2408#ifndef ICMP6_NI_SUBJ_FQDN
2409# define ICMP6_NI_SUBJ_FQDN 1
2410#endif
2411#ifndef ICMP6_NI_SUBJ_IPV4
2412# define ICMP6_NI_SUBJ_IPV4 2
2413#endif
2414
2415/*
2416 * ECN is a new addition to TCP - RFC 2481
2417 */
2418#ifndef TH_ECN
2419# define TH_ECN 0x40
2420#endif
2421#ifndef TH_CWR
2422# define TH_CWR 0x80
2423#endif
2424#define TH_ECNALL (TH_ECN|TH_CWR)
2425
2426/*
2427 * TCP States
2428 */
2429#define IPF_TCPS_LISTEN 0 /* listening for connection */
2430#define IPF_TCPS_SYN_SENT 1 /* active, have sent syn */
2431#define IPF_TCPS_SYN_RECEIVED 2 /* have send and received syn */
2432#define IPF_TCPS_HALF_ESTAB 3 /* for connections not fully "up" */
2433/* states < IPF_TCPS_ESTABLISHED are those where connections not established */
2434#define IPF_TCPS_ESTABLISHED 4 /* established */
2435#define IPF_TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */
2436/* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */
2437#define IPF_TCPS_FIN_WAIT_1 6 /* have closed, sent fin */
2438#define IPF_TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */
2439#define IPF_TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */
2440/* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */
2441#define IPF_TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */
2442#define IPF_TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */
2443#define IPF_TCPS_CLOSED 11 /* closed */
2444#define IPF_TCP_NSTATES 12
2445
2446#define TCP_MSL 120
2447
2448#undef ICMP_MAX_UNREACH
2449#define ICMP_MAX_UNREACH 14
2450#undef ICMP_MAXTYPE
2451#define ICMP_MAXTYPE 18
2452
2453#ifndef IFNAMSIZ
2454#define IFNAMSIZ 16
2455#endif
2456
2457#ifndef LOG_FTP
2458# define LOG_FTP (11<<3)
2459#endif
2460#ifndef LOG_AUTHPRIV
2461# define LOG_AUTHPRIV (10<<3)
2462#endif
2463#ifndef LOG_AUDIT
2464# define LOG_AUDIT (13<<3)
2465#endif
2466#ifndef LOG_NTP
2467# define LOG_NTP (12<<3)
2468#endif
2469#ifndef LOG_SECURITY
2470# define LOG_SECURITY (13<<3)
2471#endif
2472#ifndef LOG_LFMT
2473# define LOG_LFMT (14<<3)
2474#endif
2475#ifndef LOG_CONSOLE
2476# define LOG_CONSOLE (14<<3)
2477#endif
2478
2479/*
2480 * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data,
2481 * another IP header and then 64 bits of data, totalling 56. Of course,
2482 * the last 64 bits is dependent on that being available.
2483 */
2484#define ICMPERR_ICMPHLEN 8
2485#define ICMPERR_IPICMPHLEN (20 + 8)
2486#define ICMPERR_MINPKTLEN (20 + 8 + 20)
2487#define ICMPERR_MAXPKTLEN (20 + 8 + 20 + 8)
2488#define ICMP6ERR_MINPKTLEN (40 + 8)
2489#define ICMP6ERR_IPICMPHLEN (40 + 8 + 40)
2490
2491#ifndef MIN
2492# define MIN(a,b) (((a)<(b))?(a):(b))
2493#endif
2494
2495#ifdef IPF_DEBUG
2496# define DPRINT(x) printf x
2497#else
2498# define DPRINT(x)
2499#endif
2500
2501#ifdef RESCUE
2502# undef IPFILTER_BPF
2503#endif
2504
2505#endif /* __IP_COMPAT_H__ */
| 39# ifndef USE_INET6
40# define USE_INET6
41# endif
42#endif
43#if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000) && \
44 !defined(_KERNEL) && !defined(USE_INET6) && !defined(NOINET6)
45# define USE_INET6
46#endif
47#if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105000000) && \
48 !defined(_KERNEL) && !defined(USE_INET6)
49# define USE_INET6
50# define IPFILTER_M_IPFILTER
51#endif
52#if defined(OpenBSD) && (OpenBSD >= 200206) && \
53 !defined(_KERNEL) && !defined(USE_INET6)
54# define USE_INET6
55#endif
56#if defined(__osf__)
57# define USE_INET6
58#endif
59#if defined(linux) && (!defined(_KERNEL) || defined(CONFIG_IPV6))
60# define USE_INET6
61#endif
62#if defined(HPUXREV) && (HPUXREV >= 1111)
63# define USE_INET6
64#endif
65
66#if defined(BSD) && (BSD < 199103) && defined(__osf__)
67# undef BSD
68# define BSD 199103
69#endif
70
71#if defined(__SVR4) || defined(__svr4__) || defined(__sgi)
72# define index strchr
73# if !defined(_KERNEL)
74# define bzero(a,b) memset(a,0,b)
75# define bcmp memcmp
76# define bcopy(a,b,c) memmove(b,a,c)
77# endif
78#endif
79
80#ifndef LIFNAMSIZ
81# ifdef IF_NAMESIZE
82# define LIFNAMSIZ IF_NAMESIZE
83# else
84# ifdef IFNAMSIZ
85# define LIFNAMSIZ IFNAMSIZ
86# else
87# define LIFNAMSIZ 16
88# endif
89# endif
90#endif
91
92#if defined(__sgi) || defined(bsdi) || defined(__hpux) || defined(hpux)
93struct ether_addr {
94 u_char ether_addr_octet[6];
95};
96#endif
97
98#if defined(__sgi) && !defined(IPFILTER_LKM)
99# ifdef __STDC__
100# define IPL_EXTERN(ep) ipfilter##ep
101# else
102# define IPL_EXTERN(ep) ipfilter/**/ep
103# endif
104#else
105# ifdef __STDC__
106# define IPL_EXTERN(ep) ipl##ep
107# else
108# define IPL_EXTERN(ep) ipl/**/ep
109# endif
110#endif
111
112/*
113 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD.
114 */
115#ifndef linux
116# ifndef _KERNEL
117# define ADD_KERNEL
118# define _KERNEL
119# define KERNEL
120# endif
121# ifdef __OpenBSD__
122struct file;
123# endif
124# include <sys/uio.h>
125# ifdef ADD_KERNEL
126# undef _KERNEL
127# undef KERNEL
128# endif
129#endif
130
131
132/* ----------------------------------------------------------------------- */
133/* S O L A R I S */
134/* ----------------------------------------------------------------------- */
135#if SOLARIS
136# define MENTAT 1
137# include <sys/cmn_err.h>
138# include <sys/isa_defs.h>
139# include <sys/stream.h>
140# include <sys/ioccom.h>
141# include <sys/sysmacros.h>
142# include <sys/kmem.h>
143# if defined(SOLARIS2) && SOLARIS2 >= 10
144# include <sys/procset.h>
145# include <sys/proc.h>
146# include <sys/devops.h>
147# include <sys/ddi_impldefs.h>
148# endif
149/*
150 * because Solaris 2 defines these in two places :-/
151 */
152# ifndef KERNEL
153# define _KERNEL
154# undef RES_INIT
155# endif /* _KERNEL */
156
157# if defined(SOLARIS2) && SOLARIS2 >= 8
158# include <netinet/ip6.h>
159# include <netinet/icmp6.h>
160# endif
161
162# include <inet/common.h>
163/* These 5 are defined in <inet/ip.h> and <netinet/ip.h> */
164# undef IPOPT_EOL
165# undef IPOPT_NOP
166# undef IPOPT_LSRR
167# undef IPOPT_RR
168# undef IPOPT_SSRR
169# ifdef i386
170# define _SYS_PROMIF_H
171# endif
172# ifndef _KERNEL
173# include "radix_ipf.h"
174# else
175# include "radix_ipf_local.h"
176# endif
177# include <inet/ip.h>
178# undef COPYOUT
179# include <inet/ip_ire.h>
180# ifndef KERNEL
181# undef _KERNEL
182# endif
183# if defined(SOLARIS2) && SOLARIS2 >= 8
184# define SNPRINTF snprintf
185
186# include <inet/ip_if.h>
187# define ipif_local_addr ipif_lcl_addr
188/* Only defined in private include file */
189# ifndef V4_PART_OF_V6
190# define V4_PART_OF_V6(v6) v6.s6_addr32[3]
191# endif
192struct ip6_ext {
193 u_char ip6e_nxt;
194 u_char ip6e_len;
195};
196# endif /* SOLARIS2 >= 8 */
197
198# if defined(SOLARIS2) && SOLARIS2 >= 6
199# include <sys/atomic.h>
200typedef uint32_t u_32_t;
201# else
202typedef unsigned int u_32_t;
203# endif
204# define U_32_T 1
205
206# ifdef _KERNEL
207# define KRWLOCK_T krwlock_t
208# define KMUTEX_T kmutex_t
209
210# if !defined(FW_HOOKS)
211# include "qif.h"
212# include "pfil.h"
213# else
214# include <sys/neti.h>
215
216extern net_data_t ipfipv4;
217extern net_data_t ipfipv6;
218
219typedef struct qpktinfo {
220 void *qpi_data;
221 mblk_t **qpi_mp;
222 mblk_t *qpi_m;
223 uintptr_t qpi_real;
224 int qpi_flags;
225 int qpi_num;
226 int qpi_off;
227} qpktinfo_t;
228# define QF_GROUP 0x01
229# endif
230
231# if SOLARIS2 >= 6
232# if SOLARIS2 == 6
233# define ATOMIC_INCL(x) atomic_add_long((uint32_t*)&(x), 1)
234# define ATOMIC_DECL(x) atomic_add_long((uint32_t*)&(x), -1)
235# else
236# define ATOMIC_INCL(x) atomic_add_long(&(x), 1)
237# define ATOMIC_DECL(x) atomic_add_long(&(x), -1)
238# endif /* SOLARIS2 == 6 */
239# define ATOMIC_INC64(x) atomic_add_64((uint64_t*)&(x), 1)
240# define ATOMIC_INC32(x) atomic_add_32((uint32_t*)&(x), 1)
241# define ATOMIC_INC16(x) atomic_add_16((uint16_t*)&(x), 1)
242# define ATOMIC_DEC64(x) atomic_add_64((uint64_t*)&(x), -1)
243# define ATOMIC_DEC32(x) atomic_add_32((uint32_t*)&(x), -1)
244# define ATOMIC_DEC16(x) atomic_add_16((uint16_t*)&(x), -1)
245# else
246# define ATOMIC_INC(x) { mutex_enter(&ipf_rw); (x)++; \
247 mutex_exit(&ipf_rw); }
248# define ATOMIC_DEC(x) { mutex_enter(&ipf_rw); (x)--; \
249 mutex_exit(&ipf_rw); }
250# endif /* SOLARIS2 >= 6 */
251# define USE_MUTEXES
252# define MUTEX_ENTER(x) mutex_enter(&(x)->ipf_lk)
253# define READ_ENTER(x) rw_enter(&(x)->ipf_lk, RW_READER)
254# define WRITE_ENTER(x) rw_enter(&(x)->ipf_lk, RW_WRITER)
255# define MUTEX_DOWNGRADE(x) rw_downgrade(&(x)->ipf_lk)
256# define RWLOCK_INIT(x, y) rw_init(&(x)->ipf_lk, (y), \
257 RW_DRIVER, NULL)
258# define RWLOCK_EXIT(x) rw_exit(&(x)->ipf_lk)
259# define RW_DESTROY(x) rw_destroy(&(x)->ipf_lk)
260# define MUTEX_INIT(x, y) mutex_init(&(x)->ipf_lk, (y), \
261 MUTEX_DRIVER, NULL)
262# define MUTEX_DESTROY(x) mutex_destroy(&(x)->ipf_lk)
263# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
264# define MUTEX_EXIT(x) mutex_exit(&(x)->ipf_lk)
265# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
266# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
267# define BCOPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
268# define BCOPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
269# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
270# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
271# define KFREES(x,s) kmem_free((char *)(x), (s))
272# define SPL_SCHED(x) ;
273# define SPL_NET(x) ;
274# define SPL_IMP(x) ;
275# undef SPL_X
276# define SPL_X(x) ;
277# ifdef sparc
278# define ntohs(x) (x)
279# define ntohl(x) (x)
280# define htons(x) (x)
281# define htonl(x) (x)
282# endif /* sparc */
283# define KMALLOC(a,b) (a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
284# define KMALLOCS(a,b,c) (a) = (b)kmem_alloc((c), KM_NOSLEEP)
285# define GET_MINOR(x) getminor(x)
286extern void *get_unit __P((char *, int));
287# define GETIFP(n, v) get_unit(n, v)
288# if defined(_INET_IP_STACK_H)
289# define COPYIFNAME(v, x, b) \
290 do { \
291 if ((v) == 4) { \
292 (void) net_getifname(ipfipv4,\
293 (uintptr_t)x, b, \
294 LIFNAMSIZ); \
295 } else { \
296 (void) net_getifname(ipfipv6,\
297 (uintptr_t)x, b, \
298 LIFNAMSIZ); \
299 } \
300 } while (0)
301# else
302# define COPYIFNAME(v, x, b) \
303 (void) strncpy(b, ((qif_t *)x)->qf_name, \
304 LIFNAMSIZ)
305# endif
306# define GETKTIME(x) uniqtime((struct timeval *)x)
307# define MSGDSIZE(x) msgdsize(x)
308# define M_LEN(x) ((x)->b_wptr - (x)->b_rptr)
309# define M_DUPLICATE(x) dupmsg((x))
310# define MTOD(m,t) ((t)((m)->b_rptr))
311# define MTYPE(m) ((m)->b_datap->db_type)
312# define FREE_MB_T(m) freemsg(m)
313# define m_next b_cont
314# if !defined(_INET_IP_STACK_H)
315# define CACHE_HASH(x) (((qpktinfo_t *)(x)->fin_qpi)->qpi_num & 7)
316# else
317# define CACHE_HASH(x) ((uintptr_t)(x)->fin_ifp & 7)
318# endif
319# define IPF_PANIC(x,y) if (x) { printf y; cmn_err(CE_PANIC, "ipf_panic"); }
320typedef mblk_t mb_t;
321# endif /* _KERNEL */
322
323# if defined(SOLARIS2) && (SOLARIS2 >= 7)
324# ifdef lint
325# define ALIGN32(ptr) (ptr ? 0L : 0L)
326# define ALIGN16(ptr) (ptr ? 0L : 0L)
327# else
328# define ALIGN32(ptr) (ptr)
329# define ALIGN16(ptr) (ptr)
330# endif
331# endif
332
333# if defined(SOLARIS2) && SOLARIS2 < 6
334typedef struct uio uio_t;
335# endif
336typedef int ioctlcmd_t;
337
338# define OS_RECOGNISED 1
339
340#endif /* SOLARIS */
341
342/* ----------------------------------------------------------------------- */
343/* H P U X */
344/* ----------------------------------------------------------------------- */
345#ifdef __hpux
346# define MENTAT 1
347# include <sys/sysmacros.h>
348# include <sys/spinlock.h>
349# include <sys/lock.h>
350# include <sys/stream.h>
351# ifdef USE_INET6
352# include <netinet/if_ether.h>
353# include <netinet/ip6.h>
354# include <netinet/icmp6.h>
355typedef struct ip6_hdr ip6_t;
356# endif
357
358# ifdef _KERNEL
359# define SNPRINTF sprintf
360# if (HPUXREV >= 1111)
361# define IPL_SELECT
362# ifdef IPL_SELECT
363# include <machine/sys/user.h>
364# include <sys/kthread_iface.h>
365# define READ_COLLISION 0x01
366
367typedef struct iplog_select_s {
368 kthread_t *read_waiter;
369 int state;
370} iplog_select_t;
371# endif
372# endif
373
374# define GETKTIME(x) uniqtime((struct timeval *)x)
375
376# if HPUXREV == 1111
377# include "kern_svcs.h"
378# else
379# include <sys/kern_svcs.h>
380# endif
381# undef ti_flags
382# undef TCP_NODELAY
383# undef TCP_MAXSEG
384# include <sys/reg.h>
385# include "../netinet/ip_info.h"
386/*
387 * According to /usr/include/sys/spinlock.h on HP-UX 11.00, these functions
388 * are available. Attempting to use them actually results in unresolved
389 * symbols when it comes time to load the module.
390 * This has been fixed! Yipee!
391 */
392# if 1
393# ifdef __LP64__
394# define ATOMIC_INCL(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), 1)
395# define ATOMIC_DECL(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), -1)
396# else
397# define ATOMIC_INCL(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), 1)
398# define ATOMIC_DECL(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), -1)
399# endif
400# define ATOMIC_INC64(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), 1)
401# define ATOMIC_INC32(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), 1)
402# define ATOMIC_INC16(x) lock_and_incr_int16(&ipf_rw.ipf_lk, &(x), 1)
403# define ATOMIC_DEC64(x) lock_and_incr_int64(&ipf_rw.ipf_lk, &(x), -1)
404# define ATOMIC_DEC32(x) lock_and_incr_int32(&ipf_rw.ipf_lk, &(x), -1)
405# define ATOMIC_DEC16(x) lock_and_incr_int16(&ipf_rw.ipf_lk, &(x), -1)
406# else /* 0 */
407# define ATOMIC_INC64(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
408 MUTEX_EXIT(&ipf_rw); }
409# define ATOMIC_DEC64(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
410 MUTEX_EXIT(&ipf_rw); }
411# define ATOMIC_INC32(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
412 MUTEX_EXIT(&ipf_rw); }
413# define ATOMIC_DEC32(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
414 MUTEX_EXIT(&ipf_rw); }
415# define ATOMIC_INCL(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
416 MUTEX_EXIT(&ipf_rw); }
417# define ATOMIC_DECL(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
418 MUTEX_EXIT(&ipf_rw); }
419# define ATOMIC_INC(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
420 MUTEX_EXIT(&ipf_rw); }
421# define ATOMIC_DEC(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
422 MUTEX_EXIT(&ipf_rw); }
423# endif
424# define ip_cksum ip_csuma
425# define memcpy(a,b,c) bcopy((caddr_t)b, (caddr_t)a, c)
426# define USE_MUTEXES
427# define MUTEX_INIT(x, y) initlock(&(x)->ipf_lk, 0, 0, (y))
428# define MUTEX_ENTER(x) spinlock(&(x)->ipf_lk)
429# define MUTEX_EXIT(x) spinunlock(&(x)->ipf_lk);
430# define MUTEX_DESTROY(x)
431# define MUTEX_NUKE(x) bzero((char *)(x), sizeof(*(x)))
432# define KMUTEX_T lock_t
433# define kmutex_t lock_t /* for pfil.h */
434# define krwlock_t lock_t /* for pfil.h */
435/*
436 * The read-write lock implementation in HP-UX 11.0 is crippled - it can
437 * only be used by threads working in a user context!
438 * This has been fixed! Yipee! (Or at least it does in 11.00, not 11.11..)
439 */
440# if HPUXREV < 1111
441# define MUTEX_DOWNGRADE(x) lock_write_to_read(x)
442# define KRWLOCK_T struct rw_lock
443# define READ_ENTER(x) lock_read(&(x)->ipf_lk)
444# define WRITE_ENTER(x) lock_write(&(x)->ipf_lk)
445# if HPUXREV >= 1111
446# define RWLOCK_INIT(x, y) rwlock_init4(&(x)->ipf_lk, 0, RWLCK_CANSLEEP, 0, y)
447# else
448# define RWLOCK_INIT(x, y) lock_init3(&(x)->ipf_lk, 0, 1, 0, 0, y)
449# endif
450# define RWLOCK_EXIT(x) lock_done(&(x)->ipf_lk)
451# else
452# define KRWLOCK_T lock_t
453# define KMUTEX_T lock_t
454# define READ_ENTER(x) MUTEX_ENTER(x)
455# define WRITE_ENTER(x) MUTEX_ENTER(x)
456# define MUTEX_DOWNGRADE(x)
457# define RWLOCK_INIT(x, y) initlock(&(x)->ipf_lk, 0, 0, y)
458# define RWLOCK_EXIT(x) MUTEX_EXIT(x)
459# endif
460# define RW_DESTROY(x)
461# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
462# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
463# define SPL_SCHED(x) ;
464# define SPL_NET(x) ;
465# define SPL_IMP(x) ;
466# undef SPL_X
467# define SPL_X(x) ;
468extern void *get_unit __P((char *, int));
469# define GETIFP(n, v) get_unit(n, v)
470# define COPYIFNAME(v, x, b) \
471 (void) strncpy(b, ((qif_t *)x)->qf_name, \
472 LIFNAMSIZ)
473# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
474# define SLEEP(id, n) { lock_t *_l = get_sleep_lock((caddr_t)id); \
475 sleep(id, PZERO+1); \
476 spinunlock(_l); \
477 }
478# define WAKEUP(id,x) { lock_t *_l = get_sleep_lock((caddr_t)id); \
479 wakeup(id + x); \
480 spinunlock(_l); \
481 }
482# define POLLWAKEUP(x) ;
483# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), M_IOSYS, M_NOWAIT)
484# define KMALLOCS(a, b, c) MALLOC((a), b, (c), M_IOSYS, M_NOWAIT)
485# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
486# define KFREES(x,s) kmem_free((char *)(x), (s))
487# define MSGDSIZE(x) msgdsize(x)
488# define M_LEN(x) ((x)->b_wptr - (x)->b_rptr)
489# define M_DUPLICATE(x) dupmsg((x))
490# define MTOD(m,t) ((t)((m)->b_rptr))
491# define MTYPE(m) ((m)->b_datap->db_type)
492# define FREE_MB_T(m) freemsg(m)
493# define m_next b_cont
494# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
495typedef mblk_t mb_t;
496
497# define CACHE_HASH(x) (((qpktinfo_t *)(x)->fin_qpi)->qpi_num & 7)
498
499# include "qif.h"
500# include "pfil.h"
501
502# else /* _KERNEL */
503
504typedef unsigned char uchar_t;
505
506# ifndef _SYS_STREAM_INCLUDED
507typedef char * mblk_t;
508typedef void * queue_t;
509typedef u_long ulong;
510# endif
511# include <netinet/ip_info.h>
512
513# endif /* _KERNEL */
514
515# ifdef lint
516# define ALIGN32(ptr) (ptr ? 0L : 0L)
517# define ALIGN16(ptr) (ptr ? 0L : 0L)
518# else
519# define ALIGN32(ptr) (ptr)
520# define ALIGN16(ptr) (ptr)
521# endif
522
523typedef struct uio uio_t;
524typedef int ioctlcmd_t;
525typedef int minor_t;
526typedef unsigned int u_32_t;
527# define U_32_T 1
528
529# define OS_RECOGNISED 1
530
531#endif /* __hpux */
532
533/* ----------------------------------------------------------------------- */
534/* I R I X */
535/* ----------------------------------------------------------------------- */
536#ifdef __sgi
537# undef MENTAT
538# if IRIX < 60500
539typedef struct uio uio_t;
540# endif
541typedef int ioctlcmd_t;
542typedef u_int32_t u_32_t;
543# define U_32_T 1
544
545# ifdef INET6
546# define USE_INET6
547# endif
548
549# define hz HZ
550# include <sys/ksynch.h>
551# define IPF_LOCK_PL plhi
552# include <sys/sema.h>
553# undef kmutex_t
554typedef struct {
555 lock_t *l;
556 int pl;
557} kmutex_t;
558
559# ifdef MUTEX_INIT
560# define KMUTEX_T mutex_t
561# else
562# define KMUTEX_T kmutex_t
563# define KRWLOCK_T kmutex_t
564# endif
565
566# ifdef _KERNEL
567# define ATOMIC_INC(x) { MUTEX_ENTER(&ipf_rw); \
568 (x)++; MUTEX_EXIT(&ipf_rw); }
569# define ATOMIC_DEC(x) { MUTEX_ENTER(&ipf_rw); \
570 (x)--; MUTEX_EXIT(&ipf_rw); }
571# define USE_MUTEXES
572# ifdef MUTEX_INIT
573# include <sys/atomic_ops.h>
574# define ATOMIC_INCL(x) atomicAddUlong(&(x), 1)
575# define ATOMIC_INC64(x) atomicAddUint64(&(x), 1)
576# define ATOMIC_INC32(x) atomicAddUint(&(x), 1)
577# define ATOMIC_INC16 ATOMIC_INC
578# define ATOMIC_DECL(x) atomicAddUlong(&(x), -1)
579# define ATOMIC_DEC64(x) atomicAddUint64(&(x), -1)
580# define ATOMIC_DEC32(x) atomicAddUint(&(x), -1)
581# define ATOMIC_DEC16 ATOMIC_DEC
582# undef MUTEX_INIT
583# define MUTEX_INIT(x, y) mutex_init(&(x)->ipf_lk, \
584 MUTEX_DEFAULT, y)
585# undef MUTEX_ENTER
586# define MUTEX_ENTER(x) mutex_lock(&(x)->ipf_lk, 0)
587# undef MUTEX_EXIT
588# define MUTEX_EXIT(x) mutex_unlock(&(x)->ipf_lk)
589# undef MUTEX_DESTROY
590# define MUTEX_DESTROY(x) mutex_destroy(&(x)->ipf_lk)
591# define MUTEX_DOWNGRADE(x) mrdemote(&(x)->ipf_lk)
592# define KRWLOCK_T mrlock_t
593# define RWLOCK_INIT(x, y) mrinit(&(x)->ipf_lk, y)
594# undef RW_DESTROY
595# define RW_DESTROY(x) mrfree(&(x)->ipf_lk)
596# define READ_ENTER(x) RW_RDLOCK(&(x)->ipf_lk)
597# define WRITE_ENTER(x) RW_WRLOCK(&(x)->ipf_lk)
598# define RWLOCK_EXIT(x) RW_UNLOCK(&(x)->ipf_lk)
599# else
600# define READ_ENTER(x) MUTEX_ENTER(&(x)->ipf_lk)
601# define WRITE_ENTER(x) MUTEX_ENTER(&(x)->ipf_lk)
602# define MUTEX_DOWNGRADE(x) ;
603# define RWLOCK_EXIT(x) MUTEX_EXIT(&(x)->ipf_lk)
604# define MUTEX_EXIT(x) UNLOCK((x)->ipf_lk.l, (x)->ipf_lk.pl);
605# define MUTEX_INIT(x,y) (x)->ipf_lk.l = LOCK_ALLOC((uchar_t)-1, IPF_LOCK_PL, (lkinfo_t *)-1, KM_NOSLEEP)
606# define MUTEX_DESTROY(x) LOCK_DEALLOC((x)->ipf_lk.l)
607# define MUTEX_ENTER(x) (x)->ipf_lk.pl = LOCK((x)->ipf_lk.l, \
608 IPF_LOCK_PL);
609# endif
610# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
611# define FREE_MB_T(m) m_freem(m)
612# define MTOD(m,t) mtod(m,t)
613# define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
614# define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
615# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
616# define SLEEP(id, n) sleep((id), PZERO+1)
617# define WAKEUP(id,x) wakeup(id+x)
618# define POLLWAKEUP(x) ;
619# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
620# define KFREES(x,s) kmem_free((char *)(x), (s))
621# define GETIFP(n,v) ifunit(n)
622# include <sys/kmem.h>
623# include <sys/ddi.h>
624# define KMALLOC(a,b) (a) = (b)kmem_alloc(sizeof(*(a)), KM_NOSLEEP)
625# define KMALLOCS(a,b,c) (a) = (b)kmem_alloc((c), KM_NOSLEEP)
626# define GET_MINOR(x) getminor(x)
627# define USE_SPL 1
628# define SPL_IMP(x) (x) = splimp()
629# define SPL_NET(x) (x) = splnet()
630# define SPL_SCHED(x) (x) = splsched()
631# define SPL_X(x) (void) splx(x)
632extern void m_copydata __P((struct mbuf *, int, int, caddr_t));
633extern void m_copyback __P((struct mbuf *, int, int, caddr_t));
634# define MSGDSIZE(x) mbufchainlen(x)
635# define M_LEN(x) (x)->m_len
636# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
637# define GETKTIME(x) microtime((struct timeval *)x)
638# define IFNAME(x) ((struct ifnet *)x)->if_name
639# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
640 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
641# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
642typedef struct mbuf mb_t;
643# else
644# undef RW_DESTROY
645# undef MUTEX_INIT
646# undef MUTEX_DESTROY
647# endif /* _KERNEL */
648
649# define OS_RECOGNISED 1
650
651#endif /* __sgi */
652
653/* ----------------------------------------------------------------------- */
654/* T R U 6 4 */
655/* ----------------------------------------------------------------------- */
656#ifdef __osf__
657# undef MENTAT
658
659# include <kern/lock.h>
660# include <sys/sysmacros.h>
661
662# ifdef _KERNEL
663# define KMUTEX_T simple_lock_data_t
664# define KRWLOCK_T lock_data_t
665# include <net/net_globals.h>
666# define USE_MUTEXES
667# define READ_ENTER(x) lock_read(&(x)->ipf_lk)
668# define WRITE_ENTER(x) lock_write(&(x)->ipf_lk)
669# define MUTEX_DOWNGRADE(x) lock_write_to_read(&(x)->ipf_lk)
670# define RWLOCK_INIT(x, y) lock_init(&(x)->ipf_lk, TRUE)
671# define RWLOCK_EXIT(x) lock_done(&(x)->ipf_lk)
672# define RW_DESTROY(x) lock_terminate(&(x)->ipf_lk)
673# define MUTEX_ENTER(x) simple_lock(&(x)->ipf_lk)
674# define MUTEX_INIT(x, y) simple_lock_init(&(x)->ipf_lk)
675# define MUTEX_DESTROY(x) simple_lock_terminate(&(x)->ipf_lk)
676# define MUTEX_EXIT(x) simple_unlock(&(x)->ipf_lk)
677# define MUTEX_NUKE(x) bzero(x, sizeof(*(x)))
678# define ATOMIC_INC64(x) atomic_incq((uint64_t*)&(x))
679# define ATOMIC_DEC64(x) atomic_decq((uint64_t*)&(x))
680# define ATOMIC_INC32(x) atomic_incl((uint32_t*)&(x))
681# define ATOMIC_DEC32(x) atomic_decl((uint32_t*)&(x))
682# define ATOMIC_INC16(x) { simple_lock(&ipf_rw); (x)++; \
683 simple_unlock(&ipf_rw); }
684# define ATOMIC_DEC16(x) { simple_lock(&ipf_rw); (x)--; \
685 simple_unlock(&ipf_rw); }
686# define ATOMIC_INCL(x) atomic_incl((uint32_t*)&(x))
687# define ATOMIC_DECL(x) atomic_decl((uint32_t*)&(x))
688# define ATOMIC_INC(x) { simple_lock(&ipf_rw); (x)++; \
689 simple_unlock(&ipf_rw); }
690# define ATOMIC_DEC(x) { simple_lock(&ipf_rw); (x)--; \
691 simple_unlock(&ipf_rw); }
692# define SPL_SCHED(x) ;
693# define SPL_NET(x) ;
694# define SPL_IMP(x) ;
695# undef SPL_X
696# define SPL_X(x) ;
697# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a, b, d)
698# define FREE_MB_T(m) m_freem(m)
699# define MTOD(m,t) mtod(m,t)
700# define GETIFP(n, v) ifunit(n)
701# define GET_MINOR getminor
702# define WAKEUP(id,x) wakeup(id + x)
703# define POLLWAKEUP(x) ;
704# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
705# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
706# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), M_PFILT, M_NOWAIT)
707# define KMALLOCS(a, b, c) MALLOC((a), b, (c), M_PFILT, \
708 ((c) > 4096) ? M_WAITOK : M_NOWAIT)
709# define KFREE(x) FREE((x), M_PFILT)
710# define KFREES(x,s) FREE((x), M_PFILT)
711# define MSGDSIZE(x) mbufchainlen(x)
712# define M_LEN(x) (x)->m_len
713# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
714# define GETKTIME(x) microtime((struct timeval *)x)
715# define IFNAME(x) ((struct ifnet *)x)->if_name
716# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
717 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
718# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
719typedef struct mbuf mb_t;
720# endif /* _KERNEL */
721
722# if (defined(_KERNEL) || defined(_NO_BITFIELDS) || (__STDC__ == 1))
723# define IP_V(x) ((x)->ip_vhl >> 4)
724# define IP_HL(x) ((x)->ip_vhl & 0xf)
725# define IP_V_A(x,y) (x)->ip_vhl |= (((y) << 4) & 0xf0)
726# define IP_HL_A(x,y) (x)->ip_vhl |= ((y) & 0xf)
727# define TCP_X2(x) ((x)->th_xoff & 0xf)
728# define TCP_X2_A(x,y) (x)->th_xoff |= ((y) & 0xf)
729# define TCP_OFF(x) ((x)->th_xoff >> 4)
730# define TCP_OFF_A(x,y) (x)->th_xoff |= (((y) << 4) & 0xf0)
731# endif
732
733/*
734 * These are from's Solaris' #defines for little endian.
735 */
736#define IP6F_MORE_FRAG 0x0100
737#define IP6F_RESERVED_MASK 0x0600
738#define IP6F_OFF_MASK 0xf8ff
739
740struct ip6_ext {
741 u_char ip6e_nxt;
742 u_char ip6e_len;
743};
744
745typedef int ioctlcmd_t;
746/*
747 * Really, any arch where sizeof(long) != sizeof(int).
748 */
749typedef unsigned int u_32_t;
750# define U_32_T 1
751
752# define OS_RECOGNISED 1
753#endif /* __osf__ */
754
755/* ----------------------------------------------------------------------- */
756/* N E T B S D */
757/* ----------------------------------------------------------------------- */
758#ifdef __NetBSD__
759# if (NetBSD >= 199905) && !defined(IPFILTER_LKM) && defined(_KERNEL)
760# include "opt_ipfilter.h"
761# endif
762# if defined(_KERNEL)
763# include <sys/systm.h>
764# else
765# include <stddef.h>
766# endif
767# if defined(_KERNEL) && !defined(IPFILTER_LKM)
768# include "bpfilter.h"
769# if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 104110000)
770# include "opt_inet.h"
771# endif
772# ifdef INET6
773# define USE_INET6
774# endif
775# if (__NetBSD_Version__ >= 105000000)
776# define HAVE_M_PULLDOWN 1
777# endif
778# endif
779
780# if (__NetBSD_Version__ >= 499000000)
781typedef char * caddr_t;
782# endif
783
784# ifdef _KERNEL
785# if (__NetBSD_Version__ >= 399001400)
786# define KMALLOCS(a, b, c) (a) = (b)malloc((c), _M_IPF, M_NOWAIT)
787# endif
788# define MSGDSIZE(x) mbufchainlen(x)
789# define M_LEN(x) (x)->m_len
790# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
791# define GETKTIME(x) microtime((struct timeval *)x)
792# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
793# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
794# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
795typedef struct mbuf mb_t;
796# endif /* _KERNEL */
797# if (NetBSD <= 1991011) && (NetBSD >= 199606)
798# define IFNAME(x) ((struct ifnet *)x)->if_xname
799# define COPYIFNAME(v, x, b) \
800 (void) strncpy(b, \
801 ((struct ifnet *)x)->if_xname, \
802 LIFNAMSIZ)
803# define CACHE_HASH(x) ((((struct ifnet *)fin->fin_ifp)->if_index)&7)
804# else
805# define IFNAME(x) ((struct ifnet *)x)->if_name
806# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
807 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
808# endif
809typedef struct uio uio_t;
810typedef u_long ioctlcmd_t;
811typedef int minor_t;
812typedef u_int32_t u_32_t;
813# define U_32_T 1
814
815# define OS_RECOGNISED 1
816#endif /* __NetBSD__ */
817
818
819/* ----------------------------------------------------------------------- */
820/* F R E E B S D */
821/* ----------------------------------------------------------------------- */
822#ifdef __FreeBSD__
823# if defined(_KERNEL)
824# if (__FreeBSD_version >= 500000)
825# include "opt_bpf.h"
826# else
827# include "bpf.h"
828# endif
829# if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000)
830# include "opt_inet6.h"
831# endif
832# if defined(INET6) && !defined(USE_INET6)
833# define USE_INET6
834# endif
835# endif
836
837# if defined(_KERNEL)
838# if (__FreeBSD_version >= 400000)
839/*
840 * When #define'd, the 5.2.1 kernel panics when used with the ftp proxy.
841 * There may be other, safe, kernels but this is not extensively tested yet.
842 */
843# define HAVE_M_PULLDOWN
844# endif
845# if !defined(IPFILTER_LKM) && (__FreeBSD_version >= 300000)
846# include "opt_ipfilter.h"
847# endif
848# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
849# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
850
851# if (__FreeBSD_version >= 500043)
852# define NETBSD_PF
853# endif
854# endif /* _KERNEL */
855
856# if (__FreeBSD_version >= 500043)
857# include <sys/mutex.h>
858# if (__FreeBSD_version > 700014)
859# include <sys/rwlock.h>
860# define KRWLOCK_T struct rwlock
861# ifdef _KERNEL
862# define READ_ENTER(x) rw_rlock(&(x)->ipf_lk)
863# define WRITE_ENTER(x) rw_wlock(&(x)->ipf_lk)
864# define MUTEX_DOWNGRADE(x) rw_downgrade(&(x)->ipf_lk)
865# define RWLOCK_INIT(x, y) rw_init(&(x)->ipf_lk, (y))
866# define RW_DESTROY(x) rw_destroy(&(x)->ipf_lk)
867# define RWLOCK_EXIT(x) do { \
868 if (rw_wowned(&(x)->ipf_lk)) \
869 rw_wunlock(&(x)->ipf_lk); \
870 else \
871 rw_runlock(&(x)->ipf_lk); \
872 } while (0)
873# endif
874# else
875# include <sys/sx.h>
876/*
877 * Whilst the sx(9) locks on FreeBSD have the right semantics and interface
878 * for what we want to use them for, despite testing showing they work -
879 * with a WITNESS kernel, it generates LOR messages.
880 */
881# ifdef _KERNEL
882# if (__FreeBSD_version < 700000)
883# define KRWLOCK_T struct mtx
884# define READ_ENTER(x) mtx_lock(&(x)->ipf_lk)
885# define WRITE_ENTER(x) mtx_lock(&(x)->ipf_lk)
886# define RWLOCK_EXIT(x) mtx_unlock(&(x)->ipf_lk)
887# define MUTEX_DOWNGRADE(x) ;
888# define RWLOCK_INIT(x,y) mtx_init(&(x)->ipf_lk, (y), NULL,\
889 MTX_DEF)
890# define RW_DESTROY(x) mtx_destroy(&(x)->ipf_lk)
891# else
892# define KRWLOCK_T struct sx
893# define READ_ENTER(x) sx_slock(&(x)->ipf_lk)
894# define WRITE_ENTER(x) sx_xlock(&(x)->ipf_lk)
895# define MUTEX_DOWNGRADE(x) sx_downgrade(&(x)->ipf_lk)
896# define RWLOCK_INIT(x, y) sx_init(&(x)->ipf_lk, (y))
897# define RW_DESTROY(x) sx_destroy(&(x)->ipf_lk)
898# ifdef sx_unlock
899# define RWLOCK_EXIT(x) sx_unlock(&(x)->ipf_lk)
900# else
901# define RWLOCK_EXIT(x) do { \
902 if ((x)->ipf_lk.sx_cnt < 0) \
903 sx_xunlock(&(x)->ipf_lk); \
904 else \
905 sx_sunlock(&(x)->ipf_lk); \
906 } while (0)
907# endif
908# endif
909# endif
910# endif
911# define KMUTEX_T struct mtx
912# endif
913
914# if (__FreeBSD_version >= 501113)
915# include <net/if_var.h>
916# define IFNAME(x) ((struct ifnet *)x)->if_xname
917# define COPYIFNAME(v, x, b) \
918 (void) strncpy(b, \
919 ((struct ifnet *)x)->if_xname, \
920 LIFNAMSIZ)
921# endif
922# if (__FreeBSD_version >= 500043)
923# define CACHE_HASH(x) ((((struct ifnet *)fin->fin_ifp)->if_index) & 7)
924# else
925# define IFNAME(x) ((struct ifnet *)x)->if_name
926# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
927 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
928# endif
929
930# ifdef _KERNEL
931# define GETKTIME(x) microtime((struct timeval *)x)
932
933# if (__FreeBSD_version >= 500002)
934# include <netinet/in_systm.h>
935# include <netinet/ip.h>
936# include <machine/in_cksum.h>
937# endif
938
939# if (__FreeBSD_version >= 500043)
940# define USE_MUTEXES
941# define MUTEX_ENTER(x) mtx_lock(&(x)->ipf_lk)
942# define MUTEX_EXIT(x) mtx_unlock(&(x)->ipf_lk)
943# define MUTEX_INIT(x,y) mtx_init(&(x)->ipf_lk, (y), NULL,\
944 MTX_DEF)
945# define MUTEX_DESTROY(x) mtx_destroy(&(x)->ipf_lk)
946# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
947# include <machine/atomic.h>
948# define ATOMIC_INC(x) { mtx_lock(&ipf_rw.ipf_lk); (x)++; \
949 mtx_unlock(&ipf_rw.ipf_lk); }
950# define ATOMIC_DEC(x) { mtx_lock(&ipf_rw.ipf_lk); (x)--; \
951 mtx_unlock(&ipf_rw.ipf_lk); }
952# define ATOMIC_INCL(x) atomic_add_long(&(x), 1)
953# define ATOMIC_INC64(x) ATOMIC_INC(x)
954# define ATOMIC_INC32(x) atomic_add_32((u_int *)&(x), 1)
955# define ATOMIC_INC16(x) atomic_add_16(&(x), 1)
956# define ATOMIC_DECL(x) atomic_add_long(&(x), -1)
957# define ATOMIC_DEC64(x) ATOMIC_DEC(x)
958# define ATOMIC_DEC32(x) atomic_add_32((u_int *)&(x), -1)
959# define ATOMIC_DEC16(x) atomic_add_16(&(x), -1)
960# define SPL_X(x) ;
961# define SPL_NET(x) ;
962# define SPL_IMP(x) ;
963# define SPL_SCHED(x) ;
964extern int in_cksum __P((struct mbuf *, int));
965# else
966# define SPL_SCHED(x) x = splhigh()
967# endif /* __FreeBSD_version >= 500043 */
968# define MSGDSIZE(x) mbufchainlen(x)
969# define M_LEN(x) (x)->m_len
970# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
971# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
972typedef struct mbuf mb_t;
973# endif /* _KERNEL */
974
975# if __FreeBSD__ < 3
976# include <machine/spl.h>
977# else
978# if __FreeBSD__ == 3
979# if defined(IPFILTER_LKM) && !defined(ACTUALLY_LKM_NOT_KERNEL)
980# define ACTUALLY_LKM_NOT_KERNEL
981# endif
982# endif
983# endif
984
985# if (__FreeBSD_version >= 300000)
986typedef u_long ioctlcmd_t;
987# else
988typedef int ioctlcmd_t;
989# endif
990typedef struct uio uio_t;
991typedef int minor_t;
992typedef u_int32_t u_32_t;
993# define U_32_T 1
994
995# define OS_RECOGNISED 1
996#endif /* __FreeBSD__ */
997
998
999/* ----------------------------------------------------------------------- */
1000/* O P E N B S D */
1001/* ----------------------------------------------------------------------- */
1002#ifdef __OpenBSD__
1003# ifdef INET6
1004# define USE_INET6
1005# endif
1006
1007# ifdef _KERNEL
1008# if !defined(IPFILTER_LKM)
1009# include "bpfilter.h"
1010# endif
1011# if (OpenBSD >= 200311)
1012# define SNPRINTF snprintf
1013# if defined(USE_INET6)
1014# include "netinet6/in6_var.h"
1015# include "netinet6/nd6.h"
1016# endif
1017# endif
1018# if (OpenBSD >= 200012)
1019# define HAVE_M_PULLDOWN 1
1020# endif
1021# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
1022# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
1023# define GETKTIME(x) microtime((struct timeval *)x)
1024# define MSGDSIZE(x) mbufchainlen(x)
1025# define M_LEN(x) (x)->m_len
1026# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
1027# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
1028typedef struct mbuf mb_t;
1029# endif /* _KERNEL */
1030# if (OpenBSD >= 199603)
1031# define IFNAME(x, b) ((struct ifnet *)x)->if_xname
1032# define COPYIFNAME(v, x, b) \
1033 (void) strncpy(b, \
1034 ((struct ifnet *)x)->if_xname, \
1035 LIFNAMSIZ)
1036# define CACHE_HASH(x) ((((struct ifnet *)fin->fin_ifp)->if_index)&7)
1037# else
1038# define IFNAME(x, b) ((struct ifnet *)x)->if_name
1039# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1040 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1041# endif
1042
1043typedef struct uio uio_t;
1044typedef u_long ioctlcmd_t;
1045typedef int minor_t;
1046typedef u_int32_t u_32_t;
1047# define U_32_T 1
1048
1049# define OS_RECOGNISED 1
1050#endif /* __OpenBSD__ */
1051
1052
1053/* ----------------------------------------------------------------------- */
1054/* B S D O S */
1055/* ----------------------------------------------------------------------- */
1056#ifdef _BSDI_VERSION
1057# ifdef INET6
1058# define USE_INET6
1059# endif
1060
1061# ifdef _KERNEL
1062# define GETKTIME(x) microtime((struct timeval *)x)
1063# define MSGDSIZE(x) mbufchainlen(x)
1064# define M_LEN(x) (x)->m_len
1065# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
1066# define IFNAME(x, b) ((struct ifnet *)x)->if_name
1067# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1068 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1069typedef struct mbuf mb_t;
1070# endif /* _KERNEL */
1071
1072# if (_BSDI_VERSION >= 199701)
1073typedef u_long ioctlcmd_t;
1074# else
1075typedef int ioctlcmd_t;
1076# endif
1077typedef u_int32_t u_32_t;
1078# define U_32_T 1
1079
1080#endif /* _BSDI_VERSION */
1081
1082
1083/* ----------------------------------------------------------------------- */
1084/* S U N O S 4 */
1085/* ----------------------------------------------------------------------- */
1086#if defined(sun) && !defined(OS_RECOGNISED) /* SunOS4 */
1087# ifdef _KERNEL
1088# include <sys/kmem_alloc.h>
1089# define GETKTIME(x) uniqtime((struct timeval *)x)
1090# define MSGDSIZE(x) mbufchainlen(x)
1091# define M_LEN(x) (x)->m_len
1092# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
1093# define IFNAME(x, b) ((struct ifnet *)x)->if_name
1094# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1095 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1096# define GETIFP(n, v) ifunit(n, IFNAMSIZ)
1097# define KFREE(x) kmem_free((char *)(x), sizeof(*(x)))
1098# define KFREES(x,s) kmem_free((char *)(x), (s))
1099# define SLEEP(id, n) sleep((id), PZERO+1)
1100# define WAKEUP(id,x) wakeup(id + x)
1101# define POLLWAKEUP(x) ;
1102# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
1103# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
1104
1105extern void m_copydata __P((struct mbuf *, int, int, caddr_t));
1106extern void m_copyback __P((struct mbuf *, int, int, caddr_t));
1107
1108typedef struct mbuf mb_t;
1109# endif
1110
1111typedef struct uio uio_t;
1112typedef int ioctlcmd_t;
1113typedef int minor_t;
1114typedef unsigned int u_32_t;
1115# define U_32_T 1
1116
1117# define OS_RECOGNISED 1
1118
1119#endif /* SunOS 4 */
1120
1121/* ----------------------------------------------------------------------- */
1122/* L I N U X */
1123/* ----------------------------------------------------------------------- */
1124#if defined(linux) && !defined(OS_RECOGNISED)
1125#include <linux/config.h>
1126#include <linux/version.h>
1127# if (LINUX >= 20600) && defined(_KERNEL)
1128# define HDR_T_PRIVATE 1
1129# endif
1130# undef USE_INET6
1131# ifdef USE_INET6
1132struct ip6_ext {
1133 u_char ip6e_nxt;
1134 u_char ip6e_len;
1135};
1136# endif
1137
1138# ifdef _KERNEL
1139# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
1140# define COPYIN(a,b,c) copy_from_user((caddr_t)(b), (caddr_t)(a), (c))
1141# define COPYOUT(a,b,c) copy_to_user((caddr_t)(b), (caddr_t)(a), (c))
1142# define FREE_MB_T(m) kfree_skb(m)
1143# define GETKTIME(x) do_gettimeofday((struct timeval *)x)
1144# define POLLWAKEUP(x) ;
1145# ifdef wait_event_interruptible
1146# define SLEEP(x,s) wait_event_interruptible((*(x##_linux)), 0)
1147# else
1148# define SLEEP(x,s) 0, interruptible_sleep_on(x##_linux)
1149# endif
1150# define WAKEUP(x,y) wake_up(x##_linux + y)
1151# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
1152# define USE_MUTEXES
1153# define KRWLOCK_T rwlock_t
1154# define KMUTEX_T spinlock_t
1155# define MUTEX_INIT(x,y) spin_lock_init(&(x)->ipf_lk)
1156# define MUTEX_ENTER(x) spin_lock(&(x)->ipf_lk)
1157# define MUTEX_EXIT(x) spin_unlock(&(x)->ipf_lk)
1158# define MUTEX_DESTROY(x) do { } while (0)
1159# define MUTEX_NUKE(x) bzero(&(x)->ipf_lk, sizeof((x)->ipf_lk))
1160# define READ_ENTER(x) ipf_read_enter(x)
1161# define WRITE_ENTER(x) ipf_write_enter(x)
1162# define RWLOCK_INIT(x,y) ipf_rw_init(x, y)
1163# define RW_DESTROY(x) do { } while (0)
1164# define RWLOCK_EXIT(x) ipf_rw_exit(x)
1165# define MUTEX_DOWNGRADE(x) ipf_rw_downgrade(x)
1166# define ATOMIC_INCL(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1167 MUTEX_EXIT(&ipf_rw)
1168# define ATOMIC_DECL(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1169 MUTEX_EXIT(&ipf_rw)
1170# define ATOMIC_INC64(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1171 MUTEX_EXIT(&ipf_rw)
1172# define ATOMIC_INC32(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1173 MUTEX_EXIT(&ipf_rw)
1174# define ATOMIC_INC16(x) MUTEX_ENTER(&ipf_rw); (x)++; \
1175 MUTEX_EXIT(&ipf_rw)
1176# define ATOMIC_DEC64(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1177 MUTEX_EXIT(&ipf_rw)
1178# define ATOMIC_DEC32(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1179 MUTEX_EXIT(&ipf_rw)
1180# define ATOMIC_DEC16(x) MUTEX_ENTER(&ipf_rw); (x)--; \
1181 MUTEX_EXIT(&ipf_rw)
1182# define SPL_SCHED(x) do { } while (0)
1183# define SPL_IMP(x) do { } while (0)
1184# define SPL_NET(x) do { } while (0)
1185# define SPL_X(x) do { } while (0)
1186# define IFNAME(x) ((struct net_device*)x)->name
1187# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1188 ((struct net_device *)fin->fin_ifp)->ifindex) & 7)
1189typedef struct sk_buff mb_t;
1190extern void m_copydata __P((mb_t *, int, int, caddr_t));
1191extern void m_copyback __P((mb_t *, int, int, caddr_t));
1192extern void m_adj __P((mb_t *, int));
1193extern mb_t *m_pullup __P((mb_t *, int));
1194# define mbuf sk_buff
1195
1196# define mtod(m, t) ((t)(m)->data)
1197# define m_data data
1198# define m_len len
1199# define m_next next
1200# define M_DUPLICATE(m) skb_clone((m), in_interrupt() ? GFP_ATOMIC : \
1201 GFP_KERNEL)
1202# define MSGDSIZE(m) (m)->len
1203# define M_LEN(m) (m)->len
1204
1205# define splnet(x) ;
1206# define printf printk
1207# define bcopy(s,d,z) memmove(d, s, z)
1208# define bzero(s,z) memset(s, 0, z)
1209# define bcmp(a,b,z) memcmp(a, b, z)
1210
1211# define ifnet net_device
1212# define if_xname name
1213# define if_unit ifindex
1214
1215# define KMALLOC(x,t) (x) = (t)kmalloc(sizeof(*(x)), \
1216 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
1217# define KFREE(x) kfree(x)
1218# define KMALLOCS(x,t,s) (x) = (t)kmalloc((s), \
1219 in_interrupt() ? GFP_ATOMIC : GFP_KERNEL)
1220# define KFREES(x,s) kfree(x)
1221
1222# define GETIFP(n,v) dev_get_by_name(n)
1223
1224# else
1225# include <net/ethernet.h>
1226
1227struct mbuf {
1228};
1229
1230# ifndef _NET_ROUTE_H
1231struct rtentry {
1232};
1233# endif
1234
1235struct ifnet {
1236 char if_xname[IFNAMSIZ];
1237 int if_unit;
1238 int (* if_output) __P((struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *));
1239 struct ifaddr *if_addrlist;
1240};
1241# define IFNAME(x) ((struct ifnet *)x)->if_xname
1242
1243# endif /* _KERNEL */
1244
1245# define COPYIFNAME(v, x, b) \
1246 (void) strncpy(b, \
1247 ((struct ifnet *)x)->if_xname, \
1248 LIFNAMSIZ)
1249
1250# include <linux/fs.h>
1251# define FWRITE FMODE_WRITE
1252# define FREAD FMODE_READ
1253
1254# define __USE_MISC 1
1255# define __FAVOR_BSD 1
1256
1257typedef struct uio {
1258 struct iovec *uio_iov;
1259 void *uio_file;
1260 char *uio_buf;
1261 int uio_iovcnt;
1262 int uio_offset;
1263 size_t uio_resid;
1264 int uio_rw;
1265} uio_t;
1266
1267extern int uiomove __P((caddr_t, size_t, int, struct uio *));
1268
1269# define UIO_READ 1
1270# define UIO_WRITE 2
1271
1272typedef u_long ioctlcmd_t;
1273typedef int minor_t;
1274typedef u_int32_t u_32_t;
1275# define U_32_T 1
1276
1277# define OS_RECOGNISED 1
1278
1279#endif
1280
1281
1282/* ----------------------------------------------------------------------- */
1283/* A I X */
1284/* ----------------------------------------------------------------------- */
1285#if defined(_AIX51)
1286# undef MENTAT
1287
1288# include <sys/lock.h>
1289# include <sys/sysmacros.h>
1290
1291# ifdef _KERNEL
1292# define rw_read_locked(x) 0
1293# include <net/net_globals.h>
1294# include <net/net_malloc.h>
1295# define KMUTEX_T simple_lock_t
1296# define KRWLOCK_T complex_lock_t
1297# define USE_MUTEXES 1
1298# define USE_SPL 1
1299# define READ_ENTER(x) lock_read((x)->ipf_lk)
1300# define WRITE_ENTER(x) lock_write((x)->ipf_lk)
1301# define MUTEX_DOWNGRADE(x) lock_write_to_read((x)->ipf_lk)
1302# define RWLOCK_INIT(x, y) lock_alloc(&(x)->ipf_lk, \
1303 LOCK_ALLOC_PIN, \
1304 (u_short)y, 0); \
1305 lock_init((x)->ipf_lk, TRUE)
1306# define RWLOCK_EXIT(x) lock_done((x)->ipf_lk)
1307# define RW_DESTROY(x) lock_free(&(x)->ipf_lk)
1308# define MUTEX_ENTER(x) simple_lock((x)->ipf_lk)
1309# define MUTEX_INIT(x, y) lock_alloc(&(x)->ipf_lk, \
1310 LOCK_ALLOC_PIN, \
1311 (u_short)y, 0); \
1312 simple_lock_init((x)->ipf_lk)
1313# define MUTEX_DESTROY(x) lock_free(&(x)->ipf_lk)
1314# define MUTEX_EXIT(x) simple_unlock((x)->ipf_lk)
1315# define MUTEX_NUKE(x) bzero(&(x)->ipf_lk, sizeof((x)->ipf_lk))
1316# define ATOMIC_INC64(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
1317 MUTEX_EXIT(&ipf_rw); }
1318# define ATOMIC_DEC64(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
1319 MUTEX_EXIT(&ipf_rw); }
1320# define ATOMIC_INC32(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
1321 MUTEX_EXIT(&ipf_rw); }
1322# define ATOMIC_DEC32(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
1323 MUTEX_EXIT(&ipf_rw); }
1324# define ATOMIC_INCL(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
1325 MUTEX_EXIT(&ipf_rw); }
1326# define ATOMIC_DECL(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
1327 MUTEX_EXIT(&ipf_rw); }
1328# define ATOMIC_INC(x) { MUTEX_ENTER(&ipf_rw); (x)++; \
1329 MUTEX_EXIT(&ipf_rw); }
1330# define ATOMIC_DEC(x) { MUTEX_ENTER(&ipf_rw); (x)--; \
1331 MUTEX_EXIT(&ipf_rw); }
1332# define SPL_SCHED(x) x = splsched()
1333# define SPL_NET(x) x = splnet()
1334# define SPL_IMP(x) x = splimp()
1335# undef SPL_X
1336# define SPL_X(x) splx(x)
1337# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,c,d)
1338extern void* getifp __P((char *, int));
1339# define GETIFP(n, v) getifp(n, v)
1340# define GET_MINOR minor
1341# define SLEEP(id, n) sleepx((id), PZERO+1, 0)
1342# define WAKEUP(id,x) wakeup(id)
1343# define POLLWAKEUP(x) ;
1344# define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
1345# define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
1346# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), M_TEMP, M_NOWAIT)
1347# define KMALLOCS(a, b, c) MALLOC((a), b, (c), M_TEMP, \
1348 ((c) > 4096) ? M_WAITOK : M_NOWAIT)
1349# define KFREE(x) FREE((x), M_TEMP)
1350# define KFREES(x,s) FREE((x), M_TEMP)
1351# define MSGDSIZE(x) mbufchainlen(x)
1352# define M_LEN(x) (x)->m_len
1353# define M_DUPLICATE(x) m_copy((x), 0, M_COPYALL)
1354# define GETKTIME(x)
1355# define IFNAME(x, b) ((struct ifnet *)x)->if_name
1356# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1357 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1358# define IPF_PANIC(x,y)
1359typedef struct mbuf mb_t;
1360# endif /* _KERNEL */
1361
1362/*
1363 * These are from's Solaris' #defines for little endian.
1364 */
1365#if !defined(IP6F_MORE_FRAG)
1366# define IP6F_MORE_FRAG 0x0100
1367#endif
1368#if !defined(IP6F_RESERVED_MASK)
1369# define IP6F_RESERVED_MASK 0x0600
1370#endif
1371#if !defined(IP6F_OFF_MASK)
1372# define IP6F_OFF_MASK 0xf8ff
1373#endif
1374
1375struct ip6_ext {
1376 u_char ip6e_nxt;
1377 u_char ip6e_len;
1378};
1379
1380typedef int ioctlcmd_t;
1381typedef int minor_t;
1382/*
1383 * Really, any arch where sizeof(long) != sizeof(int).
1384 */
1385typedef unsigned int u_32_t;
1386# define U_32_T 1
1387
1388# define OS_RECOGNISED 1
1389#endif /* _AIX51 */
1390
1391
1392#ifndef OS_RECOGNISED
1393#error ip_compat.h does not recognise this platform/OS.
1394#endif
1395
1396
1397/* ----------------------------------------------------------------------- */
1398/* G E N E R I C */
1399/* ----------------------------------------------------------------------- */
1400#ifndef OS_RECOGNISED
1401#endif
1402
1403/*
1404 * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in
1405 * filter rules.
1406 */
1407#if !defined(IPFILTER_BPF)
1408# if (defined(NBPF) && (NBPF > 0)) || (defined(DEV_BPF) && (DEV_BPF > 0)) || \
1409 (defined(NBPFILTER) && (NBPFILTER > 0))
1410# define IPFILTER_BPF
1411# endif
1412#endif
1413
1414/*
1415 * Userland locking primitives
1416 */
1417typedef struct {
1418 char *eMm_owner;
1419 char *eMm_heldin;
1420 u_int eMm_magic;
1421 int eMm_held;
1422 int eMm_heldat;
1423#if defined(__hpux) || defined(__linux)
1424 char eMm_fill[8];
1425#endif
1426} eMmutex_t;
1427
1428typedef struct {
1429 char *eMrw_owner;
1430 char *eMrw_heldin;
1431 u_int eMrw_magic;
1432 short eMrw_read;
1433 short eMrw_write;
1434 int eMrw_heldat;
1435#ifdef __hpux
1436 char eMm_fill[24];
1437#endif
1438} eMrwlock_t;
1439
1440typedef union {
1441#ifdef KMUTEX_T
1442 struct {
1443 KMUTEX_T ipf_slk;
1444 char *ipf_lname;
1445 } ipf_lkun_s;
1446#endif
1447 eMmutex_t ipf_emu;
1448} ipfmutex_t;
1449
1450typedef union {
1451#ifdef KRWLOCK_T
1452 struct {
1453 KRWLOCK_T ipf_slk;
1454 char *ipf_lname;
1455 int ipf_sr;
1456 int ipf_sw;
1457 u_int ipf_magic;
1458 } ipf_lkun_s;
1459#endif
1460 eMrwlock_t ipf_emu;
1461} ipfrwlock_t;
1462
1463#define ipf_lk ipf_lkun_s.ipf_slk
1464#define ipf_lname ipf_lkun_s.ipf_lname
1465#define ipf_isr ipf_lkun_s.ipf_sr
1466#define ipf_isw ipf_lkun_s.ipf_sw
1467#define ipf_magic ipf_lkun_s.ipf_magic
1468
1469#if !defined(__GNUC__) || \
1470 (defined(__FreeBSD_version) && (__FreeBSD_version >= 503000))
1471# ifndef INLINE
1472# define INLINE
1473# endif
1474#else
1475# define INLINE __inline__
1476#endif
1477
1478#if defined(linux) && defined(_KERNEL)
1479extern void ipf_read_enter __P((ipfrwlock_t *));
1480extern void ipf_write_enter __P((ipfrwlock_t *));
1481extern void ipf_rw_exit __P((ipfrwlock_t *));
1482extern void ipf_rw_init __P((ipfrwlock_t *, char *));
1483extern void ipf_rw_downgrade __P((ipfrwlock_t *));
1484#endif
1485
1486/*
1487 * In a non-kernel environment, there are a lot of macros that need to be
1488 * filled in to be null-ops or to point to some compatibility function,
1489 * somewhere in userland.
1490 */
1491#ifndef _KERNEL
1492typedef struct mb_s {
1493 struct mb_s *mb_next;
1494 int mb_len;
1495 u_long mb_buf[2048];
1496} mb_t;
1497# undef m_next
1498# define m_next mb_next
1499# define MSGDSIZE(x) (x)->mb_len /* XXX - from ipt.c */
1500# define M_LEN(x) (x)->mb_len
1501# define M_DUPLICATE(x) (x)
1502# define GETKTIME(x) gettimeofday((struct timeval *)(x), NULL)
1503# undef MTOD
1504# define MTOD(m, t) ((t)(m)->mb_buf)
1505# define FREE_MB_T(x)
1506# define SLEEP(x,y) 1;
1507# define WAKEUP(x,y) ;
1508# define POLLWAKEUP(y) ;
1509# define IPF_PANIC(x,y) ;
1510# define PANIC(x,y) ;
1511# define SPL_SCHED(x) ;
1512# define SPL_NET(x) ;
1513# define SPL_IMP(x) ;
1514# define SPL_X(x) ;
1515# define KMALLOC(a,b) (a) = (b)malloc(sizeof(*a))
1516# define KMALLOCS(a,b,c) (a) = (b)malloc(c)
1517# define KFREE(x) free(x)
1518# define KFREES(x,s) free(x)
1519# define GETIFP(x, v) get_unit(x,v)
1520# define COPYIN(a,b,c) bcopywrap((a), (b), (c))
1521# define COPYOUT(a,b,c) bcopywrap((a), (b), (c))
1522# define COPYDATA(m, o, l, b) bcopy(MTOD((mb_t *)m, char *) + (o), \
1523 (b), (l))
1524# define COPYBACK(m, o, l, b) bcopy((b), \
1525 MTOD((mb_t *)m, char *) + (o), \
1526 (l))
1527# define UIOMOVE(a,b,c,d) ipfuiomove((caddr_t)a,b,c,d)
1528extern void m_copydata __P((mb_t *, int, int, caddr_t));
1529extern int ipfuiomove __P((caddr_t, int, int, struct uio *));
1530extern int bcopywrap __P((void *, void *, size_t));
1531# ifndef CACHE_HASH
1532# define CACHE_HASH(x) ((IFNAME(fin->fin_ifp)[0] + \
1533 ((struct ifnet *)fin->fin_ifp)->if_unit) & 7)
1534# endif
1535
1536# define MUTEX_DESTROY(x) eMmutex_destroy(&(x)->ipf_emu)
1537# define MUTEX_ENTER(x) eMmutex_enter(&(x)->ipf_emu, \
1538 __FILE__, __LINE__)
1539# define MUTEX_EXIT(x) eMmutex_exit(&(x)->ipf_emu)
1540# define MUTEX_INIT(x,y) eMmutex_init(&(x)->ipf_emu, y)
1541# define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
1542
1543# define MUTEX_DOWNGRADE(x) eMrwlock_downgrade(&(x)->ipf_emu, \
1544 __FILE__, __LINE__)
1545# define READ_ENTER(x) eMrwlock_read_enter(&(x)->ipf_emu, \
1546 __FILE__, __LINE__)
1547# define RWLOCK_INIT(x, y) eMrwlock_init(&(x)->ipf_emu, y)
1548# define RWLOCK_EXIT(x) eMrwlock_exit(&(x)->ipf_emu)
1549# define RW_DESTROY(x) eMrwlock_destroy(&(x)->ipf_emu)
1550# define WRITE_ENTER(x) eMrwlock_write_enter(&(x)->ipf_emu, \
1551 __FILE__, \
1552 __LINE__)
1553
1554# define USE_MUTEXES 1
1555
1556extern void eMmutex_destroy __P((eMmutex_t *));
1557extern void eMmutex_enter __P((eMmutex_t *, char *, int));
1558extern void eMmutex_exit __P((eMmutex_t *));
1559extern void eMmutex_init __P((eMmutex_t *, char *));
1560extern void eMrwlock_destroy __P((eMrwlock_t *));
1561extern void eMrwlock_exit __P((eMrwlock_t *));
1562extern void eMrwlock_init __P((eMrwlock_t *, char *));
1563extern void eMrwlock_read_enter __P((eMrwlock_t *, char *, int));
1564extern void eMrwlock_write_enter __P((eMrwlock_t *, char *, int));
1565extern void eMrwlock_downgrade __P((eMrwlock_t *, char *, int));
1566
1567#endif
1568
1569#define MAX_IPV4HDR ((0xf << 2) + sizeof(struct icmp) + sizeof(ip_t) + 8)
1570
1571#ifndef IP_OFFMASK
1572# define IP_OFFMASK 0x1fff
1573#endif
1574
1575
1576/*
1577 * On BSD's use quad_t as a guarantee for getting at least a 64bit sized
1578 * object.
1579 */
1580#if (BSD > 199306)
1581# define USE_QUAD_T
1582# define U_QUAD_T unsigned long long
1583# define QUAD_T long long
1584#else /* BSD > 199306 */
1585# define U_QUAD_T u_long
1586# define QUAD_T long
1587#endif /* BSD > 199306 */
1588
1589
1590#ifdef USE_INET6
1591# if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
1592 defined(__osf__) || defined(linux)
1593# include <netinet/ip6.h>
1594# include <netinet/icmp6.h>
1595# if !defined(linux)
1596# if defined(_KERNEL) && !defined(__osf__)
1597# include <netinet6/ip6_var.h>
1598# endif
1599# endif
1600typedef struct ip6_hdr ip6_t;
1601# endif
1602#endif
1603
1604#ifndef MAX
1605# define MAX(a,b) (((a) > (b)) ? (a) : (b))
1606#endif
1607
1608#if defined(_KERNEL)
1609# ifdef MENTAT
1610# define COPYDATA mb_copydata
1611# define COPYBACK mb_copyback
1612# else
1613# define COPYDATA m_copydata
1614# define COPYBACK m_copyback
1615# endif
1616# if (BSD >= 199306) || defined(__FreeBSD__)
1617# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \
1618 defined(__FreeBSD__) || (defined(OpenBSD) && (OpenBSD < 200206)) || \
1619 defined(_BSDI_VERSION)
1620# include <vm/vm.h>
1621# endif
1622# if !defined(__FreeBSD__) || (defined (__FreeBSD_version) && \
1623 (__FreeBSD_version >= 300000))
1624# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105180000)) || \
1625 (defined(OpenBSD) && (OpenBSD >= 200111))
1626# include <uvm/uvm_extern.h>
1627# else
1628# include <vm/vm_extern.h>
1629extern vm_map_t kmem_map;
1630# endif
1631# include <sys/proc.h>
1632# else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
1633# include <vm/vm_kern.h>
1634# endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
1635
1636# ifdef IPFILTER_M_IPFILTER
1637# include <sys/malloc.h>
1638MALLOC_DECLARE(M_IPFILTER);
1639# define _M_IPF M_IPFILTER
1640# else /* IPFILTER_M_IPFILTER */
1641# ifdef M_PFIL
1642# define _M_IPF M_PFIL
1643# else
1644# ifdef M_IPFILTER
1645# define _M_IPF M_IPFILTER
1646# else
1647# define _M_IPF M_TEMP
1648# endif /* M_IPFILTER */
1649# endif /* M_PFIL */
1650# endif /* IPFILTER_M_IPFILTER */
1651# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), _M_IPF, M_NOWAIT)
1652# if !defined(KMALLOCS)
1653# define KMALLOCS(a, b, c) MALLOC((a), b, (c), _M_IPF, M_NOWAIT)
1654# endif
1655# define KFREE(x) FREE((x), _M_IPF)
1656# define KFREES(x,s) FREE((x), _M_IPF)
1657# define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,d)
1658# define SLEEP(id, n) tsleep((id), PPAUSE|PCATCH, n, 0)
1659# define WAKEUP(id,x) wakeup(id+x)
1660# define POLLWAKEUP(x) selwakeup(ipfselwait+x)
1661# define GETIFP(n, v) ifunit(n)
1662# endif /* (Free)BSD */
1663
1664# if !defined(USE_MUTEXES) && !defined(SPL_NET)
1665# if (defined(NetBSD) && (NetBSD <= 1991011) && (NetBSD >= 199407)) || \
1666 (defined(OpenBSD) && (OpenBSD >= 200006))
1667# define SPL_NET(x) x = splsoftnet()
1668# else
1669# define SPL_IMP(x) x = splimp()
1670# define SPL_NET(x) x = splnet()
1671# endif /* NetBSD && (NetBSD <= 1991011) && (NetBSD >= 199407) */
1672# if !defined(SPL_SCHED)
1673# define SPL_SCHED(x) x = splsched()
1674# endif
1675# define SPL_X(x) (void) splx(x)
1676# endif /* !USE_MUTEXES */
1677
1678# ifndef FREE_MB_T
1679# define FREE_MB_T(m) m_freem(m)
1680# endif
1681
1682# ifndef MTOD
1683# define MTOD(m,t) mtod(m,t)
1684# endif
1685
1686# ifndef COPYIN
1687# define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1688# define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1689# endif
1690
1691# ifndef KMALLOC
1692# define KMALLOC(a,b) (a) = (b)new_kmem_alloc(sizeof(*(a)), \
1693 KMEM_NOSLEEP)
1694# define KMALLOCS(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP)
1695# endif
1696
1697# ifndef GET_MINOR
1698# define GET_MINOR(x) minor(x)
1699# endif
1700# define PANIC(x,y) if (x) panic y
1701#endif /* _KERNEL */
1702
1703#if !defined(IFNAME) && !defined(_KERNEL)
1704# define IFNAME(x) ((struct ifnet *)x)->if_name
1705#endif
1706#ifndef COPYIFNAME
1707# define NEED_FRGETIFNAME
1708extern char *fr_getifname __P((struct ifnet *, char *));
1709# define COPYIFNAME(v, x, b) \
1710 fr_getifname((struct ifnet *)x, b)
1711#endif
1712
1713#ifndef ASSERT
1714# ifdef _KERNEL
1715# define ASSERT(x)
1716# else
1717# define ASSERT(x) do { if (!(x)) abort(); } while (0)
1718# endif
1719#endif
1720
1721#ifndef BCOPYIN
1722# define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1723# define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
1724#endif
1725
1726/*
1727 * Because the ctype(3) posix definition, if used "safely" in code everywhere,
1728 * would mean all normal code that walks through strings needed casts. Yuck.
1729 */
1730#define ISALNUM(x) isalnum((u_char)(x))
1731#define ISALPHA(x) isalpha((u_char)(x))
1732#define ISASCII(x) isascii((u_char)(x))
1733#define ISDIGIT(x) isdigit((u_char)(x))
1734#define ISPRINT(x) isprint((u_char)(x))
1735#define ISSPACE(x) isspace((u_char)(x))
1736#define ISUPPER(x) isupper((u_char)(x))
1737#define ISXDIGIT(x) isxdigit((u_char)(x))
1738#define ISLOWER(x) islower((u_char)(x))
1739#define TOUPPER(x) toupper((u_char)(x))
1740#define TOLOWER(x) tolower((u_char)(x))
1741
1742/*
1743 * If mutexes aren't being used, turn all the mutex functions into null-ops.
1744 */
1745#if !defined(USE_MUTEXES)
1746# define USE_SPL 1
1747# undef RW_DESTROY
1748# undef MUTEX_INIT
1749# undef MUTEX_NUKE
1750# undef MUTEX_DESTROY
1751# define MUTEX_ENTER(x) ;
1752# define READ_ENTER(x) ;
1753# define WRITE_ENTER(x) ;
1754# define MUTEX_DOWNGRADE(x) ;
1755# define RWLOCK_INIT(x, y) ;
1756# define RWLOCK_EXIT(x) ;
1757# define RW_DESTROY(x) ;
1758# define MUTEX_EXIT(x) ;
1759# define MUTEX_INIT(x,y) ;
1760# define MUTEX_DESTROY(x) ;
1761# define MUTEX_NUKE(x) ;
1762#endif /* !USE_MUTEXES */
1763#ifndef ATOMIC_INC
1764# define ATOMIC_INC(x) (x)++
1765# define ATOMIC_DEC(x) (x)--
1766#endif
1767
1768#if defined(USE_SPL) && defined(_KERNEL)
1769# define SPL_INT(x) int x
1770#else
1771# define SPL_INT(x)
1772#endif
1773
1774/*
1775 * If there are no atomic operations for bit sizes defined, define them to all
1776 * use a generic one that works for all sizes.
1777 */
1778#ifndef ATOMIC_INCL
1779# define ATOMIC_INCL ATOMIC_INC
1780# define ATOMIC_INC64 ATOMIC_INC
1781# define ATOMIC_INC32 ATOMIC_INC
1782# define ATOMIC_INC16 ATOMIC_INC
1783# define ATOMIC_DECL ATOMIC_DEC
1784# define ATOMIC_DEC64 ATOMIC_DEC
1785# define ATOMIC_DEC32 ATOMIC_DEC
1786# define ATOMIC_DEC16 ATOMIC_DEC
1787#endif
1788
1789#ifndef HDR_T_PRIVATE
1790typedef struct tcphdr tcphdr_t;
1791typedef struct udphdr udphdr_t;
1792#endif
1793typedef struct icmp icmphdr_t;
1794typedef struct ip ip_t;
1795typedef struct ether_header ether_header_t;
1796typedef struct tcpiphdr tcpiphdr_t;
1797
1798#ifndef FR_GROUPLEN
1799# define FR_GROUPLEN 16
1800#endif
1801
1802#ifndef offsetof
1803# define offsetof(t,m) (int)((&((t *)0L)->m))
1804#endif
1805
1806/*
1807 * This set of macros has been brought about because on Tru64 it is not
1808 * possible to easily assign or examine values in a structure that are
1809 * bit fields.
1810 */
1811#ifndef IP_V
1812# define IP_V(x) (x)->ip_v
1813#endif
1814#ifndef IP_V_A
1815# define IP_V_A(x,y) (x)->ip_v = (y)
1816#endif
1817#ifndef IP_HL
1818# define IP_HL(x) (x)->ip_hl
1819#endif
1820#ifndef IP_HL_A
1821# define IP_HL_A(x,y) (x)->ip_hl = ((y) & 0xf)
1822#endif
1823#ifndef TCP_X2
1824# define TCP_X2(x) (x)->th_x2
1825#endif
1826#ifndef TCP_X2_A
1827# define TCP_X2_A(x,y) (x)->th_x2 = (y)
1828#endif
1829#ifndef TCP_OFF
1830# define TCP_OFF(x) (x)->th_off
1831#endif
1832#ifndef TCP_OFF_A
1833# define TCP_OFF_A(x,y) (x)->th_off = (y)
1834#endif
1835#define IPMINLEN(i, h) ((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h)))
1836
1837
1838/*
1839 * XXX - This is one of those *awful* hacks which nobody likes
1840 */
1841#ifdef ultrix
1842#define A_A
1843#else
1844#define A_A &
1845#endif
1846
1847#define TCPF_ALL (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\
1848 TH_ECN|TH_CWR)
1849
1850#if (BSD >= 199306) && !defined(m_act)
1851# define m_act m_nextpkt
1852#endif
1853
1854/*
1855 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108.
1856 *
1857 * Basic Option
1858 *
1859 * 00000001 - (Reserved 4)
1860 * 00111101 - Top Secret
1861 * 01011010 - Secret
1862 * 10010110 - Confidential
1863 * 01100110 - (Reserved 3)
1864 * 11001100 - (Reserved 2)
1865 * 10101011 - Unclassified
1866 * 11110001 - (Reserved 1)
1867 */
1868#define IPSO_CLASS_RES4 0x01
1869#define IPSO_CLASS_TOPS 0x3d
1870#define IPSO_CLASS_SECR 0x5a
1871#define IPSO_CLASS_CONF 0x96
1872#define IPSO_CLASS_RES3 0x66
1873#define IPSO_CLASS_RES2 0xcc
1874#define IPSO_CLASS_UNCL 0xab
1875#define IPSO_CLASS_RES1 0xf1
1876
1877#define IPSO_AUTH_GENSER 0x80
1878#define IPSO_AUTH_ESI 0x40
1879#define IPSO_AUTH_SCI 0x20
1880#define IPSO_AUTH_NSA 0x10
1881#define IPSO_AUTH_DOE 0x08
1882#define IPSO_AUTH_UN 0x06
1883#define IPSO_AUTH_FTE 0x01
1884
1885/*
1886 * IP option #defines
1887 */
1888#undef IPOPT_RR
1889#define IPOPT_RR 7
1890#undef IPOPT_ZSU
1891#define IPOPT_ZSU 10 /* ZSU */
1892#undef IPOPT_MTUP
1893#define IPOPT_MTUP 11 /* MTUP */
1894#undef IPOPT_MTUR
1895#define IPOPT_MTUR 12 /* MTUR */
1896#undef IPOPT_ENCODE
1897#define IPOPT_ENCODE 15 /* ENCODE */
1898#undef IPOPT_TS
1899#define IPOPT_TS 68
1900#undef IPOPT_TR
1901#define IPOPT_TR 82 /* TR */
1902#undef IPOPT_SECURITY
1903#define IPOPT_SECURITY 130
1904#undef IPOPT_LSRR
1905#define IPOPT_LSRR 131
1906#undef IPOPT_E_SEC
1907#define IPOPT_E_SEC 133 /* E-SEC */
1908#undef IPOPT_CIPSO
1909#define IPOPT_CIPSO 134 /* CIPSO */
1910#undef IPOPT_SATID
1911#define IPOPT_SATID 136
1912#ifndef IPOPT_SID
1913# define IPOPT_SID IPOPT_SATID
1914#endif
1915#undef IPOPT_SSRR
1916#define IPOPT_SSRR 137
1917#undef IPOPT_ADDEXT
1918#define IPOPT_ADDEXT 147 /* ADDEXT */
1919#undef IPOPT_VISA
1920#define IPOPT_VISA 142 /* VISA */
1921#undef IPOPT_IMITD
1922#define IPOPT_IMITD 144 /* IMITD */
1923#undef IPOPT_EIP
1924#define IPOPT_EIP 145 /* EIP */
1925#undef IPOPT_RTRALRT
1926#define IPOPT_RTRALRT 148 /* RTRALRT */
1927#undef IPOPT_SDB
1928#define IPOPT_SDB 149
1929#undef IPOPT_NSAPA
1930#define IPOPT_NSAPA 150
1931#undef IPOPT_DPS
1932#define IPOPT_DPS 151
1933#undef IPOPT_UMP
1934#define IPOPT_UMP 152
1935#undef IPOPT_FINN
1936#define IPOPT_FINN 205 /* FINN */
1937
1938#ifndef TCPOPT_EOL
1939# define TCPOPT_EOL 0
1940#endif
1941#ifndef TCPOPT_NOP
1942# define TCPOPT_NOP 1
1943#endif
1944#ifndef TCPOPT_MAXSEG
1945# define TCPOPT_MAXSEG 2
1946#endif
1947#ifndef TCPOLEN_MAXSEG
1948# define TCPOLEN_MAXSEG 4
1949#endif
1950#ifndef TCPOPT_WINDOW
1951# define TCPOPT_WINDOW 3
1952#endif
1953#ifndef TCPOLEN_WINDOW
1954# define TCPOLEN_WINDOW 3
1955#endif
1956#ifndef TCPOPT_SACK_PERMITTED
1957# define TCPOPT_SACK_PERMITTED 4
1958#endif
1959#ifndef TCPOLEN_SACK_PERMITTED
1960# define TCPOLEN_SACK_PERMITTED 2
1961#endif
1962#ifndef TCPOPT_SACK
1963# define TCPOPT_SACK 5
1964#endif
1965#ifndef TCPOPT_TIMESTAMP
1966# define TCPOPT_TIMESTAMP 8
1967#endif
1968
1969#ifndef ICMP_MINLEN
1970# define ICMP_MINLEN 8
1971#endif
1972#ifndef ICMP_ECHOREPLY
1973# define ICMP_ECHOREPLY 0
1974#endif
1975#ifndef ICMP_UNREACH
1976# define ICMP_UNREACH 3
1977#endif
1978#ifndef ICMP_UNREACH_NET
1979# define ICMP_UNREACH_NET 0
1980#endif
1981#ifndef ICMP_UNREACH_HOST
1982# define ICMP_UNREACH_HOST 1
1983#endif
1984#ifndef ICMP_UNREACH_PROTOCOL
1985# define ICMP_UNREACH_PROTOCOL 2
1986#endif
1987#ifndef ICMP_UNREACH_PORT
1988# define ICMP_UNREACH_PORT 3
1989#endif
1990#ifndef ICMP_UNREACH_NEEDFRAG
1991# define ICMP_UNREACH_NEEDFRAG 4
1992#endif
1993#ifndef ICMP_UNREACH_SRCFAIL
1994# define ICMP_UNREACH_SRCFAIL 5
1995#endif
1996#ifndef ICMP_UNREACH_NET_UNKNOWN
1997# define ICMP_UNREACH_NET_UNKNOWN 6
1998#endif
1999#ifndef ICMP_UNREACH_HOST_UNKNOWN
2000# define ICMP_UNREACH_HOST_UNKNOWN 7
2001#endif
2002#ifndef ICMP_UNREACH_ISOLATED
2003# define ICMP_UNREACH_ISOLATED 8
2004#endif
2005#ifndef ICMP_UNREACH_NET_PROHIB
2006# define ICMP_UNREACH_NET_PROHIB 9
2007#endif
2008#ifndef ICMP_UNREACH_HOST_PROHIB
2009# define ICMP_UNREACH_HOST_PROHIB 10
2010#endif
2011#ifndef ICMP_UNREACH_TOSNET
2012# define ICMP_UNREACH_TOSNET 11
2013#endif
2014#ifndef ICMP_UNREACH_TOSHOST
2015# define ICMP_UNREACH_TOSHOST 12
2016#endif
2017#ifndef ICMP_UNREACH_ADMIN_PROHIBIT
2018# define ICMP_UNREACH_ADMIN_PROHIBIT 13
2019#endif
2020#ifndef ICMP_UNREACH_FILTER
2021# define ICMP_UNREACH_FILTER 13
2022#endif
2023#ifndef ICMP_UNREACH_HOST_PRECEDENCE
2024# define ICMP_UNREACH_HOST_PRECEDENCE 14
2025#endif
2026#ifndef ICMP_UNREACH_PRECEDENCE_CUTOFF
2027# define ICMP_UNREACH_PRECEDENCE_CUTOFF 15
2028#endif
2029#ifndef ICMP_SOURCEQUENCH
2030# define ICMP_SOURCEQUENCH 4
2031#endif
2032#ifndef ICMP_REDIRECT_NET
2033# define ICMP_REDIRECT_NET 0
2034#endif
2035#ifndef ICMP_REDIRECT_HOST
2036# define ICMP_REDIRECT_HOST 1
2037#endif
2038#ifndef ICMP_REDIRECT_TOSNET
2039# define ICMP_REDIRECT_TOSNET 2
2040#endif
2041#ifndef ICMP_REDIRECT_TOSHOST
2042# define ICMP_REDIRECT_TOSHOST 3
2043#endif
2044#ifndef ICMP_ALTHOSTADDR
2045# define ICMP_ALTHOSTADDR 6
2046#endif
2047#ifndef ICMP_TIMXCEED
2048# define ICMP_TIMXCEED 11
2049#endif
2050#ifndef ICMP_TIMXCEED_INTRANS
2051# define ICMP_TIMXCEED_INTRANS 0
2052#endif
2053#ifndef ICMP_TIMXCEED_REASS
2054# define ICMP_TIMXCEED_REASS 1
2055#endif
2056#ifndef ICMP_PARAMPROB
2057# define ICMP_PARAMPROB 12
2058#endif
2059#ifndef ICMP_PARAMPROB_ERRATPTR
2060# define ICMP_PARAMPROB_ERRATPTR 0
2061#endif
2062#ifndef ICMP_PARAMPROB_OPTABSENT
2063# define ICMP_PARAMPROB_OPTABSENT 1
2064#endif
2065#ifndef ICMP_PARAMPROB_LENGTH
2066# define ICMP_PARAMPROB_LENGTH 2
2067#endif
2068#ifndef ICMP_TSTAMP
2069# define ICMP_TSTAMP 13
2070#endif
2071#ifndef ICMP_TSTAMPREPLY
2072# define ICMP_TSTAMPREPLY 14
2073#endif
2074#ifndef ICMP_IREQ
2075# define ICMP_IREQ 15
2076#endif
2077#ifndef ICMP_IREQREPLY
2078# define ICMP_IREQREPLY 16
2079#endif
2080#ifndef ICMP_MASKREQ
2081# define ICMP_MASKREQ 17
2082#endif
2083#ifndef ICMP_MASKREPLY
2084# define ICMP_MASKREPLY 18
2085#endif
2086#ifndef ICMP_TRACEROUTE
2087# define ICMP_TRACEROUTE 30
2088#endif
2089#ifndef ICMP_DATACONVERR
2090# define ICMP_DATACONVERR 31
2091#endif
2092#ifndef ICMP_MOBILE_REDIRECT
2093# define ICMP_MOBILE_REDIRECT 32
2094#endif
2095#ifndef ICMP_IPV6_WHEREAREYOU
2096# define ICMP_IPV6_WHEREAREYOU 33
2097#endif
2098#ifndef ICMP_IPV6_IAMHERE
2099# define ICMP_IPV6_IAMHERE 34
2100#endif
2101#ifndef ICMP_MOBILE_REGREQUEST
2102# define ICMP_MOBILE_REGREQUEST 35
2103#endif
2104#ifndef ICMP_MOBILE_REGREPLY
2105# define ICMP_MOBILE_REGREPLY 36
2106#endif
2107#ifndef ICMP_SKIP
2108# define ICMP_SKIP 39
2109#endif
2110#ifndef ICMP_PHOTURIS
2111# define ICMP_PHOTURIS 40
2112#endif
2113#ifndef ICMP_PHOTURIS_UNKNOWN_INDEX
2114# define ICMP_PHOTURIS_UNKNOWN_INDEX 1
2115#endif
2116#ifndef ICMP_PHOTURIS_AUTH_FAILED
2117# define ICMP_PHOTURIS_AUTH_FAILED 2
2118#endif
2119#ifndef ICMP_PHOTURIS_DECRYPT_FAILED
2120# define ICMP_PHOTURIS_DECRYPT_FAILED 3
2121#endif
2122#ifndef IPVERSION
2123# define IPVERSION 4
2124#endif
2125#ifndef IPOPT_MINOFF
2126# define IPOPT_MINOFF 4
2127#endif
2128#ifndef IPOPT_COPIED
2129# define IPOPT_COPIED(x) ((x)&0x80)
2130#endif
2131#ifndef IPOPT_EOL
2132# define IPOPT_EOL 0
2133#endif
2134#ifndef IPOPT_NOP
2135# define IPOPT_NOP 1
2136#endif
2137#ifndef IP_MF
2138# define IP_MF ((u_short)0x2000)
2139#endif
2140#ifndef ETHERTYPE_IP
2141# define ETHERTYPE_IP ((u_short)0x0800)
2142#endif
2143#ifndef TH_FIN
2144# define TH_FIN 0x01
2145#endif
2146#ifndef TH_SYN
2147# define TH_SYN 0x02
2148#endif
2149#ifndef TH_RST
2150# define TH_RST 0x04
2151#endif
2152#ifndef TH_PUSH
2153# define TH_PUSH 0x08
2154#endif
2155#ifndef TH_ACK
2156# define TH_ACK 0x10
2157#endif
2158#ifndef TH_URG
2159# define TH_URG 0x20
2160#endif
2161#undef TH_ACKMASK
2162#define TH_ACKMASK (TH_FIN|TH_SYN|TH_RST|TH_ACK)
2163
2164#ifndef IPOPT_EOL
2165# define IPOPT_EOL 0
2166#endif
2167#ifndef IPOPT_NOP
2168# define IPOPT_NOP 1
2169#endif
2170#ifndef IPOPT_RR
2171# define IPOPT_RR 7
2172#endif
2173#ifndef IPOPT_TS
2174# define IPOPT_TS 68
2175#endif
2176#ifndef IPOPT_SECURITY
2177# define IPOPT_SECURITY 130
2178#endif
2179#ifndef IPOPT_LSRR
2180# define IPOPT_LSRR 131
2181#endif
2182#ifndef IPOPT_SATID
2183# define IPOPT_SATID 136
2184#endif
2185#ifndef IPOPT_SSRR
2186# define IPOPT_SSRR 137
2187#endif
2188#ifndef IPOPT_SECUR_UNCLASS
2189# define IPOPT_SECUR_UNCLASS ((u_short)0x0000)
2190#endif
2191#ifndef IPOPT_SECUR_CONFID
2192# define IPOPT_SECUR_CONFID ((u_short)0xf135)
2193#endif
2194#ifndef IPOPT_SECUR_EFTO
2195# define IPOPT_SECUR_EFTO ((u_short)0x789a)
2196#endif
2197#ifndef IPOPT_SECUR_MMMM
2198# define IPOPT_SECUR_MMMM ((u_short)0xbc4d)
2199#endif
2200#ifndef IPOPT_SECUR_RESTR
2201# define IPOPT_SECUR_RESTR ((u_short)0xaf13)
2202#endif
2203#ifndef IPOPT_SECUR_SECRET
2204# define IPOPT_SECUR_SECRET ((u_short)0xd788)
2205#endif
2206#ifndef IPOPT_SECUR_TOPSECRET
2207# define IPOPT_SECUR_TOPSECRET ((u_short)0x6bc5)
2208#endif
2209#ifndef IPOPT_OLEN
2210# define IPOPT_OLEN 1
2211#endif
2212#ifndef IPPROTO_HOPOPTS
2213# define IPPROTO_HOPOPTS 0
2214#endif
2215#ifndef IPPROTO_ENCAP
2216# define IPPROTO_ENCAP 4
2217#endif
2218#ifndef IPPROTO_IPV6
2219# define IPPROTO_IPV6 41
2220#endif
2221#ifndef IPPROTO_ROUTING
2222# define IPPROTO_ROUTING 43
2223#endif
2224#ifndef IPPROTO_FRAGMENT
2225# define IPPROTO_FRAGMENT 44
2226#endif
2227#ifndef IPPROTO_GRE
2228# define IPPROTO_GRE 47 /* GRE encaps RFC 1701 */
2229#endif
2230#ifndef IPPROTO_ESP
2231# define IPPROTO_ESP 50
2232#endif
2233#ifndef IPPROTO_AH
2234# define IPPROTO_AH 51
2235#endif
2236#ifndef IPPROTO_ICMPV6
2237# define IPPROTO_ICMPV6 58
2238#endif
2239#ifndef IPPROTO_NONE
2240# define IPPROTO_NONE 59
2241#endif
2242#ifndef IPPROTO_DSTOPTS
2243# define IPPROTO_DSTOPTS 60
2244#endif
2245#ifndef IPPROTO_MOBILITY
2246# define IPPROTO_MOBILITY 135
2247#endif
2248
2249#ifndef ICMP_ROUTERADVERT
2250# define ICMP_ROUTERADVERT 9
2251#endif
2252#ifndef ICMP_ROUTERSOLICIT
2253# define ICMP_ROUTERSOLICIT 10
2254#endif
2255#ifndef ICMP6_DST_UNREACH
2256# define ICMP6_DST_UNREACH 1
2257#endif
2258#ifndef ICMP6_PACKET_TOO_BIG
2259# define ICMP6_PACKET_TOO_BIG 2
2260#endif
2261#ifndef ICMP6_TIME_EXCEEDED
2262# define ICMP6_TIME_EXCEEDED 3
2263#endif
2264#ifndef ICMP6_PARAM_PROB
2265# define ICMP6_PARAM_PROB 4
2266#endif
2267
2268#ifndef ICMP6_ECHO_REQUEST
2269# define ICMP6_ECHO_REQUEST 128
2270#endif
2271#ifndef ICMP6_ECHO_REPLY
2272# define ICMP6_ECHO_REPLY 129
2273#endif
2274#ifndef ICMP6_MEMBERSHIP_QUERY
2275# define ICMP6_MEMBERSHIP_QUERY 130
2276#endif
2277#ifndef MLD6_LISTENER_QUERY
2278# define MLD6_LISTENER_QUERY 130
2279#endif
2280#ifndef ICMP6_MEMBERSHIP_REPORT
2281# define ICMP6_MEMBERSHIP_REPORT 131
2282#endif
2283#ifndef MLD6_LISTENER_REPORT
2284# define MLD6_LISTENER_REPORT 131
2285#endif
2286#ifndef ICMP6_MEMBERSHIP_REDUCTION
2287# define ICMP6_MEMBERSHIP_REDUCTION 132
2288#endif
2289#ifndef MLD6_LISTENER_DONE
2290# define MLD6_LISTENER_DONE 132
2291#endif
2292#ifndef ND_ROUTER_SOLICIT
2293# define ND_ROUTER_SOLICIT 133
2294#endif
2295#ifndef ND_ROUTER_ADVERT
2296# define ND_ROUTER_ADVERT 134
2297#endif
2298#ifndef ND_NEIGHBOR_SOLICIT
2299# define ND_NEIGHBOR_SOLICIT 135
2300#endif
2301#ifndef ND_NEIGHBOR_ADVERT
2302# define ND_NEIGHBOR_ADVERT 136
2303#endif
2304#ifndef ND_REDIRECT
2305# define ND_REDIRECT 137
2306#endif
2307#ifndef ICMP6_ROUTER_RENUMBERING
2308# define ICMP6_ROUTER_RENUMBERING 138
2309#endif
2310#ifndef ICMP6_WRUREQUEST
2311# define ICMP6_WRUREQUEST 139
2312#endif
2313#ifndef ICMP6_WRUREPLY
2314# define ICMP6_WRUREPLY 140
2315#endif
2316#ifndef ICMP6_FQDN_QUERY
2317# define ICMP6_FQDN_QUERY 139
2318#endif
2319#ifndef ICMP6_FQDN_REPLY
2320# define ICMP6_FQDN_REPLY 140
2321#endif
2322#ifndef ICMP6_NI_QUERY
2323# define ICMP6_NI_QUERY 139
2324#endif
2325#ifndef ICMP6_NI_REPLY
2326# define ICMP6_NI_REPLY 140
2327#endif
2328#ifndef MLD6_MTRACE_RESP
2329# define MLD6_MTRACE_RESP 200
2330#endif
2331#ifndef MLD6_MTRACE
2332# define MLD6_MTRACE 201
2333#endif
2334#ifndef ICMP6_HADISCOV_REQUEST
2335# define ICMP6_HADISCOV_REQUEST 202
2336#endif
2337#ifndef ICMP6_HADISCOV_REPLY
2338# define ICMP6_HADISCOV_REPLY 203
2339#endif
2340#ifndef ICMP6_MOBILEPREFIX_SOLICIT
2341# define ICMP6_MOBILEPREFIX_SOLICIT 204
2342#endif
2343#ifndef ICMP6_MOBILEPREFIX_ADVERT
2344# define ICMP6_MOBILEPREFIX_ADVERT 205
2345#endif
2346#ifndef ICMP6_MAXTYPE
2347# define ICMP6_MAXTYPE 205
2348#endif
2349
2350#ifndef ICMP6_DST_UNREACH_NOROUTE
2351# define ICMP6_DST_UNREACH_NOROUTE 0
2352#endif
2353#ifndef ICMP6_DST_UNREACH_ADMIN
2354# define ICMP6_DST_UNREACH_ADMIN 1
2355#endif
2356#ifndef ICMP6_DST_UNREACH_NOTNEIGHBOR
2357# define ICMP6_DST_UNREACH_NOTNEIGHBOR 2
2358#endif
2359#ifndef ICMP6_DST_UNREACH_BEYONDSCOPE
2360# define ICMP6_DST_UNREACH_BEYONDSCOPE 2
2361#endif
2362#ifndef ICMP6_DST_UNREACH_ADDR
2363# define ICMP6_DST_UNREACH_ADDR 3
2364#endif
2365#ifndef ICMP6_DST_UNREACH_NOPORT
2366# define ICMP6_DST_UNREACH_NOPORT 4
2367#endif
2368#ifndef ICMP6_TIME_EXCEED_TRANSIT
2369# define ICMP6_TIME_EXCEED_TRANSIT 0
2370#endif
2371#ifndef ICMP6_TIME_EXCEED_REASSEMBLY
2372# define ICMP6_TIME_EXCEED_REASSEMBLY 1
2373#endif
2374
2375#ifndef ICMP6_NI_SUCCESS
2376# define ICMP6_NI_SUCCESS 0
2377#endif
2378#ifndef ICMP6_NI_REFUSED
2379# define ICMP6_NI_REFUSED 1
2380#endif
2381#ifndef ICMP6_NI_UNKNOWN
2382# define ICMP6_NI_UNKNOWN 2
2383#endif
2384
2385#ifndef ICMP6_ROUTER_RENUMBERING_COMMAND
2386# define ICMP6_ROUTER_RENUMBERING_COMMAND 0
2387#endif
2388#ifndef ICMP6_ROUTER_RENUMBERING_RESULT
2389# define ICMP6_ROUTER_RENUMBERING_RESULT 1
2390#endif
2391#ifndef ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET
2392# define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255
2393#endif
2394
2395#ifndef ICMP6_PARAMPROB_HEADER
2396# define ICMP6_PARAMPROB_HEADER 0
2397#endif
2398#ifndef ICMP6_PARAMPROB_NEXTHEADER
2399# define ICMP6_PARAMPROB_NEXTHEADER 1
2400#endif
2401#ifndef ICMP6_PARAMPROB_OPTION
2402# define ICMP6_PARAMPROB_OPTION 2
2403#endif
2404
2405#ifndef ICMP6_NI_SUBJ_IPV6
2406# define ICMP6_NI_SUBJ_IPV6 0
2407#endif
2408#ifndef ICMP6_NI_SUBJ_FQDN
2409# define ICMP6_NI_SUBJ_FQDN 1
2410#endif
2411#ifndef ICMP6_NI_SUBJ_IPV4
2412# define ICMP6_NI_SUBJ_IPV4 2
2413#endif
2414
2415/*
2416 * ECN is a new addition to TCP - RFC 2481
2417 */
2418#ifndef TH_ECN
2419# define TH_ECN 0x40
2420#endif
2421#ifndef TH_CWR
2422# define TH_CWR 0x80
2423#endif
2424#define TH_ECNALL (TH_ECN|TH_CWR)
2425
2426/*
2427 * TCP States
2428 */
2429#define IPF_TCPS_LISTEN 0 /* listening for connection */
2430#define IPF_TCPS_SYN_SENT 1 /* active, have sent syn */
2431#define IPF_TCPS_SYN_RECEIVED 2 /* have send and received syn */
2432#define IPF_TCPS_HALF_ESTAB 3 /* for connections not fully "up" */
2433/* states < IPF_TCPS_ESTABLISHED are those where connections not established */
2434#define IPF_TCPS_ESTABLISHED 4 /* established */
2435#define IPF_TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */
2436/* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */
2437#define IPF_TCPS_FIN_WAIT_1 6 /* have closed, sent fin */
2438#define IPF_TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */
2439#define IPF_TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */
2440/* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */
2441#define IPF_TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */
2442#define IPF_TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */
2443#define IPF_TCPS_CLOSED 11 /* closed */
2444#define IPF_TCP_NSTATES 12
2445
2446#define TCP_MSL 120
2447
2448#undef ICMP_MAX_UNREACH
2449#define ICMP_MAX_UNREACH 14
2450#undef ICMP_MAXTYPE
2451#define ICMP_MAXTYPE 18
2452
2453#ifndef IFNAMSIZ
2454#define IFNAMSIZ 16
2455#endif
2456
2457#ifndef LOG_FTP
2458# define LOG_FTP (11<<3)
2459#endif
2460#ifndef LOG_AUTHPRIV
2461# define LOG_AUTHPRIV (10<<3)
2462#endif
2463#ifndef LOG_AUDIT
2464# define LOG_AUDIT (13<<3)
2465#endif
2466#ifndef LOG_NTP
2467# define LOG_NTP (12<<3)
2468#endif
2469#ifndef LOG_SECURITY
2470# define LOG_SECURITY (13<<3)
2471#endif
2472#ifndef LOG_LFMT
2473# define LOG_LFMT (14<<3)
2474#endif
2475#ifndef LOG_CONSOLE
2476# define LOG_CONSOLE (14<<3)
2477#endif
2478
2479/*
2480 * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data,
2481 * another IP header and then 64 bits of data, totalling 56. Of course,
2482 * the last 64 bits is dependent on that being available.
2483 */
2484#define ICMPERR_ICMPHLEN 8
2485#define ICMPERR_IPICMPHLEN (20 + 8)
2486#define ICMPERR_MINPKTLEN (20 + 8 + 20)
2487#define ICMPERR_MAXPKTLEN (20 + 8 + 20 + 8)
2488#define ICMP6ERR_MINPKTLEN (40 + 8)
2489#define ICMP6ERR_IPICMPHLEN (40 + 8 + 40)
2490
2491#ifndef MIN
2492# define MIN(a,b) (((a)<(b))?(a):(b))
2493#endif
2494
2495#ifdef IPF_DEBUG
2496# define DPRINT(x) printf x
2497#else
2498# define DPRINT(x)
2499#endif
2500
2501#ifdef RESCUE
2502# undef IPFILTER_BPF
2503#endif
2504
2505#endif /* __IP_COMPAT_H__ */
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