2 * Copyright (C) 2012 by Darren Reed.
4 * See the IPFILTER.LICENCE file for details on licencing.
6 * @(#)ip_compat.h 1.8 1/14/96
8 * Id: ip_compat.h,v 2.142.2.57 2007/10/10 09:51:42 darrenr Exp $
11 #ifndef __IP_COMPAT_H__
12 #define __IP_COMPAT_H__
26 #if defined(_KERNEL) || defined(KERNEL) || defined(__KERNEL__)
36 # if defined(sun) && (defined(__svr4__) || defined(__SVR4))
44 #if defined(__SVR4) || defined(__svr4__) || defined(__sgi)
46 # if !defined(_KERNEL)
47 # define bzero(a,b) memset(a,0,b)
49 # define bcopy(a,b,c) memmove(b,a,c)
55 # define LIFNAMSIZ IF_NAMESIZE
58 # define LIFNAMSIZ IFNAMSIZ
65 #if defined(__sgi) || defined(bsdi) || defined(__hpux) || defined(hpux)
67 u_char ether_addr_octet[6];
72 # define IPL_EXTERN(ep) ipl##ep
74 # define IPL_EXTERN(ep) ipl/**/ep
78 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD.
91 #define NETBSD_GE_REV(x) (defined(__NetBSD_Version__) && \
92 (__NetBSD_Version__ >= (x)))
93 #define NETBSD_GT_REV(x) (defined(__NetBSD_Version__) && \
94 (__NetBSD_Version__ > (x)))
95 #define NETBSD_LT_REV(x) (defined(__NetBSD_Version__) && \
96 (__NetBSD_Version__ < (x)))
97 #define FREEBSD_GE_REV(x) (defined(__FreeBSD_version) && \
98 (__FreeBSD_version >= (x)))
99 #define FREEBSD_GT_REV(x) (defined(__FreeBSD_version) && \
100 (__FreeBSD_version > (x)))
101 #define FREEBSD_LT_REV(x) (defined(__FreeBSD_version) && \
102 (__FreeBSD_version < (x)))
103 #define BSDOS_GE_REV(x) (defined(_BSDI_VERSION) && \
104 (_BSDI_VERSION >= (x)))
105 #define BSDOS_GT_REV(x) (defined(_BSDI_VERSION) && \
106 (_BSDI_VERSION > (x)))
107 #define BSDOS_LT_REV(x) (defined(_BSDI_VERSION) && \
108 (_BSDI_VERSION < (x)))
109 #define OPENBSD_GE_REV(x) (defined(OpenBSD) && (OpenBSD >= (x)))
110 #define OPENBSD_GT_REV(x) (defined(OpenBSD) && (OpenBSD > (x)))
111 #define OPENBSD_LT_REV(x) (defined(OpenBSD) && (OpenBSD < (x)))
112 #define BSD_GE_YEAR(x) (defined(BSD) && (BSD >= (x)))
113 #define BSD_GT_YEAR(x) (defined(BSD) && (BSD > (x)))
114 #define BSD_LT_YEAR(x) (defined(BSD) && (BSD < (x)))
117 /* ----------------------------------------------------------------------- */
119 /* ----------------------------------------------------------------------- */
120 # define HAS_SYS_MD5_H 1
121 # if defined(_KERNEL)
122 # include "opt_bpf.h"
123 # include "opt_inet6.h"
124 # if defined(INET6) && !defined(USE_INET6)
128 # if !defined(USE_INET6) && !defined(NOINET6)
133 # if defined(_KERNEL)
134 # include <netinet/ip_var.h>
135 # define p_cred td_ucred
136 # define p_uid td_ucred->cr_ruid
139 * When #define'd, the 5.2.1 kernel panics when used with the ftp proxy.
140 * There may be other, safe, kernels but this is not extensively tested yet.
142 # define HAVE_M_PULLDOWN
143 # if !defined(IPFILTER_LKM) && (__FreeBSD_version >= 300000)
144 # include "opt_ipfilter.h"
146 # define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c))
147 # define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c))
150 # include <inttypes.h>
151 # endif /* _KERNEL */
153 # include <sys/selinfo.h>
154 # include <sys/mutex.h>
155 # define KRWLOCK_FILL_SZ 56
156 # define KMUTEX_FILL_SZ 56
157 # include <sys/rwlock.h>
158 # define KMUTEX_T struct mtx
159 # define KRWLOCK_T struct rwlock
161 # define READ_ENTER(x) rw_rlock(&(x)->ipf_lk)
162 # define WRITE_ENTER(x) rw_wlock(&(x)->ipf_lk)
163 # define MUTEX_DOWNGRADE(x) rw_downgrade(&(x)->ipf_lk)
164 # define MUTEX_TRY_UPGRADE(x) rw_try_upgrade(&(x)->ipf_lk)
165 # define RWLOCK_INIT(x,y) rw_init(&(x)->ipf_lk, (y))
166 # define RW_DESTROY(x) rw_destroy(&(x)->ipf_lk)
167 # define RWLOCK_EXIT(x) do { \
168 if (rw_wowned(&(x)->ipf_lk)) \
169 rw_wunlock(&(x)->ipf_lk); \
171 rw_runlock(&(x)->ipf_lk); \
175 # include <net/if_var.h>
176 # define IFNAME(x) ((struct ifnet *)x)->if_xname
177 # define COPYIFNAME(v, x, b) \
179 ((struct ifnet *)x)->if_xname, \
183 # define GETKTIME(x) microtime((struct timeval *)x)
185 # include <netinet/in_systm.h>
186 # include <netinet/ip.h>
187 # include <machine/in_cksum.h>
190 # define MUTEX_ENTER(x) mtx_lock(&(x)->ipf_lk)
191 # define MUTEX_EXIT(x) mtx_unlock(&(x)->ipf_lk)
192 # define MUTEX_INIT(x,y) mtx_init(&(x)->ipf_lk, (y), NULL,\
194 # define MUTEX_DESTROY(x) mtx_destroy(&(x)->ipf_lk)
195 # define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
197 * Whilst the sx(9) locks on FreeBSD have the right semantics and interface
198 * for what we want to use them for, despite testing showing they work -
199 * with a WITNESS kernel, it generates LOR messages.
201 # include <machine/atomic.h>
202 # define ATOMIC_INC(x) { mtx_lock(&softc->ipf_rw.ipf_lk); (x)++; \
203 mtx_unlock(&softc->ipf_rw.ipf_lk); }
204 # define ATOMIC_DEC(x) { mtx_lock(&softc->ipf_rw.ipf_lk); (x)--; \
205 mtx_unlock(&softc->ipf_rw.ipf_lk); }
206 # define ATOMIC_INCL(x) atomic_add_long(&(x), 1)
207 # define ATOMIC_INC64(x) ATOMIC_INC(x)
208 # define ATOMIC_INC32(x) atomic_add_32((u_int *)&(x), 1)
209 # define ATOMIC_DECL(x) atomic_add_long(&(x), -1)
210 # define ATOMIC_DEC64(x) ATOMIC_DEC(x)
211 # define ATOMIC_DEC32(x) atomic_add_32((u_int *)&(x), -1)
213 # define SPL_NET(x) ;
214 # define SPL_IMP(x) ;
215 # define SPL_SCHED(x) ;
216 # define GET_MINOR dev2unit
217 # define MSGDSIZE(m) mbufchainlen(m)
218 # define M_LEN(m) (m)->m_len
219 # define M_ADJ(m,x) m_adj(m, x)
220 # define M_COPY(x) m_copy((x), 0, M_COPYALL)
221 # define M_DUP(m) m_dup(m, M_NOWAIT)
222 # define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); }
223 typedef struct mbuf mb_t;
224 # endif /* _KERNEL */
227 typedef u_long ioctlcmd_t;
228 typedef struct uio uio_t;
230 typedef u_int32_t u_32_t;
234 /* ----------------------------------------------------------------------- */
236 /* ----------------------------------------------------------------------- */
239 * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in
242 #if !defined(IPFILTER_BPF)
243 # if (defined(NBPF) && (NBPF > 0)) || (defined(DEV_BPF) && (DEV_BPF > 0)) || \
244 (defined(NBPFILTER) && (NBPFILTER > 0))
245 # define IPFILTER_BPF
250 * Userland locking primitives
253 #if !defined(KMUTEX_FILL_SZ)
254 # define KMUTEX_FILL_SZ 1
256 #if !defined(KRWLOCK_FILL_SZ)
257 # define KRWLOCK_FILL_SZ 1
279 char _fill[KMUTEX_FILL_SZ];
283 const char *ipf_lname;
290 char _fill[KRWLOCK_FILL_SZ];
294 const char *ipf_lname;
303 #define ipf_lk ipf_lkun_s.ipf_slk
304 #define ipf_lname ipf_lkun_s.ipf_lname
305 #define ipf_isr ipf_lkun_s.ipf_sr
306 #define ipf_isw ipf_lkun_s.ipf_sw
307 #define ipf_magic ipf_lkun_s.ipf_magic
309 #if !defined(__GNUC__) || \
310 (defined(__FreeBSD_version) && (__FreeBSD_version >= 503000))
315 # define INLINE __inline__
318 #if defined(__FreeBSD_version) && defined(_KERNEL)
319 CTASSERT(sizeof(ipfrwlock_t) == KRWLOCK_FILL_SZ);
320 CTASSERT(sizeof(ipfmutex_t) == KMUTEX_FILL_SZ);
325 * In a non-kernel environment, there are a lot of macros that need to be
326 * filled in to be null-ops or to point to some compatibility function,
327 * somewhere in userland.
330 typedef struct mb_s {
331 struct mb_s *mb_next;
339 # define m_next mb_next
341 # define m_len mb_len
343 # define m_flags mb_flags
345 # define m_data mb_data
347 # define M_MCAST 0x01
349 # define M_BCAST 0x02
351 # define M_MBCAST 0x04
352 # define MSGDSIZE(m) msgdsize(m)
353 # define M_LEN(m) (m)->mb_len
354 # define M_ADJ(m,x) (m)->mb_len += x
355 # define M_COPY(m) dupmbt(m)
356 # define M_DUP(m) dupmbt(m)
357 # define GETKTIME(x) gettimeofday((struct timeval *)(x), NULL)
358 # define MTOD(m, t) ((t)(m)->mb_data)
359 # define FREE_MB_T(m) freembt(m)
360 # define ALLOC_MB_T(m,l) (m) = allocmbt(l)
361 # define PREP_MB_T(f, m) do { \
362 (m)->mb_next = *(f)->fin_mp; \
363 *(fin)->fin_mp = (m); \
366 # define SLEEP(x,y) 1;
367 # define WAKEUP(x,y) ;
368 # define POLLWAKEUP(y) ;
369 # define IPF_PANIC(x,y) ;
370 # define PANIC(x,y) ;
371 # define SPL_SCHED(x) ;
372 # define SPL_NET(x) ;
373 # define SPL_IMP(x) ;
375 # define KMALLOC(a,b) (a) = (b)malloc(sizeof(*a))
376 # define KMALLOCS(a,b,c) (a) = (b)malloc(c)
377 # define KFREE(x) free(x)
378 # define KFREES(x,s) free(x)
379 # define GETIFP(x, v) get_unit(x,v)
380 # define GETIFMTU_4(x) 2048
381 # define GETIFMTU_6(x) 2048
382 # define COPYIN(a,b,c) bcopywrap((a), (b), (c))
383 # define COPYOUT(a,b,c) bcopywrap((a), (b), (c))
384 # define COPYDATA(m, o, l, b) bcopy(MTOD((mb_t *)m, char *) + (o), \
386 # define COPYBACK(m, o, l, b) bcopy((b), \
387 MTOD((mb_t *)m, char *) + (o), \
389 # define UIOMOVE(a,b,c,d) ipfuiomove((caddr_t)a,b,c,d)
390 extern void m_copydata __P((mb_t *, int, int, caddr_t));
391 extern int ipfuiomove __P((caddr_t, int, int, struct uio *));
392 extern int bcopywrap __P((void *, void *, size_t));
393 extern mb_t *allocmbt __P((size_t));
394 extern mb_t *dupmbt __P((mb_t *));
395 extern void freembt __P((mb_t *));
397 # define MUTEX_DESTROY(x) eMmutex_destroy(&(x)->ipf_emu, \
399 # define MUTEX_ENTER(x) eMmutex_enter(&(x)->ipf_emu, \
401 # define MUTEX_EXIT(x) eMmutex_exit(&(x)->ipf_emu, \
403 # define MUTEX_INIT(x,y) eMmutex_init(&(x)->ipf_emu, y, \
405 # define MUTEX_NUKE(x) bzero((x), sizeof(*(x)))
407 # define MUTEX_DOWNGRADE(x) eMrwlock_downgrade(&(x)->ipf_emu, \
409 # define MUTEX_TRY_UPGRADE(x) eMrwlock_try_upgrade(&(x)->ipf_emu, \
411 # define READ_ENTER(x) eMrwlock_read_enter(&(x)->ipf_emu, \
413 # define RWLOCK_INIT(x, y) eMrwlock_init(&(x)->ipf_emu, y)
414 # define RWLOCK_EXIT(x) eMrwlock_exit(&(x)->ipf_emu)
415 # define RW_DESTROY(x) eMrwlock_destroy(&(x)->ipf_emu)
416 # define WRITE_ENTER(x) eMrwlock_write_enter(&(x)->ipf_emu, \
420 # define USE_MUTEXES 1
422 extern void eMmutex_destroy __P((eMmutex_t *, char *, int));
423 extern void eMmutex_enter __P((eMmutex_t *, char *, int));
424 extern void eMmutex_exit __P((eMmutex_t *, char *, int));
425 extern void eMmutex_init __P((eMmutex_t *, char *, char *, int));
426 extern void eMrwlock_destroy __P((eMrwlock_t *));
427 extern void eMrwlock_exit __P((eMrwlock_t *));
428 extern void eMrwlock_init __P((eMrwlock_t *, char *));
429 extern void eMrwlock_read_enter __P((eMrwlock_t *, char *, int));
430 extern void eMrwlock_write_enter __P((eMrwlock_t *, char *, int));
431 extern void eMrwlock_downgrade __P((eMrwlock_t *, char *, int));
435 extern mb_t *allocmbt(size_t);
437 #define MAX_IPV4HDR ((0xf << 2) + sizeof(struct icmp) + sizeof(ip_t) + 8)
440 # define IP_OFFMASK 0x1fff
445 * On BSD's use quad_t as a guarantee for getting at least a 64bit sized
448 #if !defined(__amd64__) && BSD_GT_YEAR(199306)
450 # define U_QUAD_T unsigned long long
451 # define QUAD_T long long
452 #else /* BSD > 199306 */
453 # if !defined(U_QUAD_T)
454 # define U_QUAD_T u_long
457 #endif /* BSD > 199306 */
461 # if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \
462 defined(__osf__) || defined(linux)
463 # include <netinet/ip6.h>
464 # include <netinet/icmp6.h>
465 # if defined(_KERNEL) && !defined(__osf__)
466 # include <netinet6/ip6_var.h>
468 typedef struct ip6_hdr ip6_t;
473 # define MAX(a,b) (((a) > (b)) ? (a) : (b))
477 # if defined(MENTAT) && !defined(INSTANCES)
478 # define COPYDATA mb_copydata
479 # define COPYBACK mb_copyback
481 # define COPYDATA m_copydata
482 # define COPYBACK m_copyback
484 # if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \
485 defined(__FreeBSD__) || (defined(OpenBSD) && (OpenBSD < 200206)) || \
486 defined(_BSDI_VERSION)
489 # if !defined(__FreeBSD__) || FREEBSD_GE_REV(300000)
490 # if NETBSD_GE_REV(105180000) || OPENBSD_GE_REV(200111)
491 # include <uvm/uvm_extern.h>
493 # include <vm/vm_extern.h>
494 extern vm_map_t kmem_map;
496 # include <sys/proc.h>
497 # else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
498 # include <vm/vm_kern.h>
499 # endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */
501 # ifdef IPFILTER_M_IPFILTER
502 # include <sys/malloc.h>
503 MALLOC_DECLARE(M_IPFILTER);
504 # define _M_IPF M_IPFILTER
505 # else /* IPFILTER_M_IPFILTER */
507 # define _M_IPF M_PFIL
510 # define _M_IPF M_IPFILTER
512 # define _M_IPF M_TEMP
513 # endif /* M_IPFILTER */
515 # endif /* IPFILTER_M_IPFILTER */
516 # if !defined(KMALLOC)
517 # define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), _M_IPF, M_NOWAIT)
519 # if !defined(KMALLOCS)
520 # define KMALLOCS(a, b, c) MALLOC((a), b, (c), _M_IPF, M_NOWAIT)
523 # define KFREE(x) FREE((x), _M_IPF)
525 # if !defined(KFREES)
526 # define KFREES(x,s) FREE((x), _M_IPF)
528 # define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,d)
529 # define SLEEP(id, n) tsleep((id), PPAUSE|PCATCH, n, 0)
530 # define WAKEUP(id,x) wakeup(id+x)
531 # if !defined(POLLWAKEUP)
532 # define POLLWAKEUP(x) selwakeup(softc->ipf_selwait+x)
534 # define GETIFP(n, v) ifunit(n)
535 # define GETIFMTU_4(x) ((struct ifnet *)x)->if_mtu
536 # define GETIFMTU_6(x) ((struct ifnet *)x)->if_mtu
538 # if !defined(USE_MUTEXES) && !defined(SPL_NET)
539 # define SPL_IMP(x) x = splimp()
540 # define SPL_NET(x) x = splnet()
541 # if !defined(SPL_SCHED)
542 # define SPL_SCHED(x) x = splsched()
544 # define SPL_X(x) (void) splx(x)
545 # endif /* !USE_MUTEXES */
548 # define FREE_MB_T(m) m_freem(m)
552 # define ALLOC_MB_T(m,l) do { \
553 MGETHDR((m), M_DONTWAIT, MT_HEADER); \
556 (m)->m_pkthdr.len = (l); \
560 # define ALLOC_MB_T(m,l) do { \
561 MGET((m), M_DONTWAIT, MT_HEADER); \
564 (m)->m_pkthdr.len = (l); \
570 # define PREP_MB_T(f, m) do { \
571 mb_t *_o = *(f)->fin_mp; \
573 *(fin)->fin_mp = (m); \
574 if (_o->m_flags & M_PKTHDR) { \
575 (m)->m_pkthdr.len += \
577 (m)->m_pkthdr.rcvif = \
578 _o->m_pkthdr.rcvif; \
584 # define M_DUP(m) m_dup(m, 0, M_COPYALL, 0)
586 # define M_DUP(m) m_dup(m)
591 # define MTOD(m,t) mtod(m,t)
595 # define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
596 # define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
600 # define KMALLOC(a,b) (a) = (b)new_kmem_alloc(sizeof(*(a)), \
602 # define KMALLOCS(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP)
606 # define GET_MINOR(x) dev2unit(x)
608 # define PANIC(x,y) if (x) panic y
611 #if !defined(IFNAME) && !defined(_KERNEL)
612 # define IFNAME(x) get_ifname((struct ifnet *)x)
615 # define NEED_FRGETIFNAME
616 extern char *ipf_getifname __P((struct ifnet *, char *));
617 # define COPYIFNAME(v, x, b) \
618 ipf_getifname((struct ifnet *)x, b)
625 # define ASSERT(x) do { if (!(x)) abort(); } while (0)
630 # define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
631 # define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0)
635 * Because the ctype(3) posix definition, if used "safely" in code everywhere,
636 * would mean all normal code that walks through strings needed casts. Yuck.
638 #define ISALNUM(x) isalnum((u_char)(x))
639 #define ISALPHA(x) isalpha((u_char)(x))
640 #define ISDIGIT(x) isdigit((u_char)(x))
641 #define ISSPACE(x) isspace((u_char)(x))
642 #define ISUPPER(x) isupper((u_char)(x))
643 #define ISXDIGIT(x) isxdigit((u_char)(x))
644 #define ISLOWER(x) islower((u_char)(x))
645 #define TOUPPER(x) toupper((u_char)(x))
646 #define TOLOWER(x) tolower((u_char)(x))
649 * If mutexes aren't being used, turn all the mutex functions into null-ops.
651 #if !defined(USE_MUTEXES)
656 # undef MUTEX_DESTROY
657 # define MUTEX_ENTER(x) ;
658 # define READ_ENTER(x) ;
659 # define WRITE_ENTER(x) ;
660 # define MUTEX_DOWNGRADE(x) ;
661 # define MUTEX_TRY_UPGRADE(x) ;
662 # define RWLOCK_INIT(x, y) ;
663 # define RWLOCK_EXIT(x) ;
664 # define RW_DESTROY(x) ;
665 # define MUTEX_EXIT(x) ;
666 # define MUTEX_INIT(x,y) ;
667 # define MUTEX_DESTROY(x) ;
668 # define MUTEX_NUKE(x) ;
669 #endif /* !USE_MUTEXES */
671 # define ATOMIC_INC(x) (x)++
672 # define ATOMIC_DEC(x) (x)--
675 #if defined(USE_SPL) && defined(_KERNEL)
676 # define SPL_INT(x) int x
682 * If there are no atomic operations for bit sizes defined, define them to all
683 * use a generic one that works for all sizes.
686 # define ATOMIC_INCL ATOMIC_INC
687 # define ATOMIC_INC64 ATOMIC_INC
688 # define ATOMIC_INC32 ATOMIC_INC
689 # define ATOMIC_DECL ATOMIC_DEC
690 # define ATOMIC_DEC64 ATOMIC_DEC
691 # define ATOMIC_DEC32 ATOMIC_DEC
694 #ifndef HDR_T_PRIVATE
695 typedef struct tcphdr tcphdr_t;
696 typedef struct udphdr udphdr_t;
698 typedef struct icmp icmphdr_t;
699 typedef struct ip ip_t;
700 typedef struct ether_header ether_header_t;
701 typedef struct tcpiphdr tcpiphdr_t;
704 # define FR_GROUPLEN 16
708 # define offsetof(t,m) (size_t)((&((t *)0L)->m))
711 # define stsizeof(t,m) sizeof(((t *)0L)->m)
715 * This set of macros has been brought about because on Tru64 it is not
716 * possible to easily assign or examine values in a structure that are
720 # define IP_V(x) (x)->ip_v
723 # define IP_V_A(x,y) (x)->ip_v = (y)
726 # define IP_HL(x) (x)->ip_hl
729 # define IP_HL_A(x,y) (x)->ip_hl = ((y) & 0xf)
732 # define TCP_X2(x) (x)->th_x2
735 # define TCP_X2_A(x,y) (x)->th_x2 = (y)
738 # define TCP_OFF(x) (x)->th_off
741 # define TCP_OFF_A(x,y) (x)->th_off = (y)
743 #define IPMINLEN(i, h) ((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h)))
745 #define TCPF_ALL (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\
748 #if BSD_GE_YEAR(199306) && !defined(m_act)
749 # define m_act m_nextpkt
753 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108.
757 * 00000001 - (Reserved 4)
758 * 00111101 - Top Secret
760 * 10010110 - Confidential
761 * 01100110 - (Reserved 3)
762 * 11001100 - (Reserved 2)
763 * 10101011 - Unclassified
764 * 11110001 - (Reserved 1)
766 #define IPSO_CLASS_RES4 0x01
767 #define IPSO_CLASS_TOPS 0x3d
768 #define IPSO_CLASS_SECR 0x5a
769 #define IPSO_CLASS_CONF 0x96
770 #define IPSO_CLASS_RES3 0x66
771 #define IPSO_CLASS_RES2 0xcc
772 #define IPSO_CLASS_UNCL 0xab
773 #define IPSO_CLASS_RES1 0xf1
775 #define IPSO_AUTH_GENSER 0x80
776 #define IPSO_AUTH_ESI 0x40
777 #define IPSO_AUTH_SCI 0x20
778 #define IPSO_AUTH_NSA 0x10
779 #define IPSO_AUTH_DOE 0x08
780 #define IPSO_AUTH_UN 0x06
781 #define IPSO_AUTH_FTE 0x01
789 #define IPOPT_ZSU 10 /* ZSU */
791 #define IPOPT_MTUP 11 /* MTUP */
793 #define IPOPT_MTUR 12 /* MTUR */
795 #define IPOPT_ENCODE 15 /* ENCODE */
799 #define IPOPT_TR 82 /* TR */
800 #undef IPOPT_SECURITY
801 #define IPOPT_SECURITY 130
803 #define IPOPT_LSRR 131
805 #define IPOPT_E_SEC 133 /* E-SEC */
807 #define IPOPT_CIPSO 134 /* CIPSO */
809 #define IPOPT_SATID 136
811 # define IPOPT_SID IPOPT_SATID
814 #define IPOPT_SSRR 137
816 #define IPOPT_ADDEXT 147 /* ADDEXT */
818 #define IPOPT_VISA 142 /* VISA */
820 #define IPOPT_IMITD 144 /* IMITD */
822 #define IPOPT_EIP 145 /* EIP */
824 #define IPOPT_RTRALRT 148 /* RTRALRT */
826 #define IPOPT_SDB 149
828 #define IPOPT_NSAPA 150
830 #define IPOPT_DPS 151
832 #define IPOPT_UMP 152
834 #define IPOPT_FINN 205 /* FINN */
836 #define IPOPT_AH 256+IPPROTO_AH
839 # define TCPOPT_EOL 0
842 # define TCPOPT_NOP 1
844 #ifndef TCPOPT_MAXSEG
845 # define TCPOPT_MAXSEG 2
847 #ifndef TCPOLEN_MAXSEG
848 # define TCPOLEN_MAXSEG 4
850 #ifndef TCPOPT_WINDOW
851 # define TCPOPT_WINDOW 3
853 #ifndef TCPOLEN_WINDOW
854 # define TCPOLEN_WINDOW 3
856 #ifndef TCPOPT_SACK_PERMITTED
857 # define TCPOPT_SACK_PERMITTED 4
859 #ifndef TCPOLEN_SACK_PERMITTED
860 # define TCPOLEN_SACK_PERMITTED 2
863 # define TCPOPT_SACK 5
865 #ifndef TCPOPT_TIMESTAMP
866 # define TCPOPT_TIMESTAMP 8
870 # define ICMP_MINLEN 8
872 #ifndef ICMP_ECHOREPLY
873 # define ICMP_ECHOREPLY 0
876 # define ICMP_UNREACH 3
878 #ifndef ICMP_UNREACH_NET
879 # define ICMP_UNREACH_NET 0
881 #ifndef ICMP_UNREACH_HOST
882 # define ICMP_UNREACH_HOST 1
884 #ifndef ICMP_UNREACH_PROTOCOL
885 # define ICMP_UNREACH_PROTOCOL 2
887 #ifndef ICMP_UNREACH_PORT
888 # define ICMP_UNREACH_PORT 3
890 #ifndef ICMP_UNREACH_NEEDFRAG
891 # define ICMP_UNREACH_NEEDFRAG 4
893 #ifndef ICMP_UNREACH_SRCFAIL
894 # define ICMP_UNREACH_SRCFAIL 5
896 #ifndef ICMP_UNREACH_NET_UNKNOWN
897 # define ICMP_UNREACH_NET_UNKNOWN 6
899 #ifndef ICMP_UNREACH_HOST_UNKNOWN
900 # define ICMP_UNREACH_HOST_UNKNOWN 7
902 #ifndef ICMP_UNREACH_ISOLATED
903 # define ICMP_UNREACH_ISOLATED 8
905 #ifndef ICMP_UNREACH_NET_PROHIB
906 # define ICMP_UNREACH_NET_PROHIB 9
908 #ifndef ICMP_UNREACH_HOST_PROHIB
909 # define ICMP_UNREACH_HOST_PROHIB 10
911 #ifndef ICMP_UNREACH_TOSNET
912 # define ICMP_UNREACH_TOSNET 11
914 #ifndef ICMP_UNREACH_TOSHOST
915 # define ICMP_UNREACH_TOSHOST 12
917 #ifndef ICMP_UNREACH_ADMIN_PROHIBIT
918 # define ICMP_UNREACH_ADMIN_PROHIBIT 13
920 #ifndef ICMP_UNREACH_FILTER
921 # define ICMP_UNREACH_FILTER 13
923 #ifndef ICMP_UNREACH_HOST_PRECEDENCE
924 # define ICMP_UNREACH_HOST_PRECEDENCE 14
926 #ifndef ICMP_UNREACH_PRECEDENCE_CUTOFF
927 # define ICMP_UNREACH_PRECEDENCE_CUTOFF 15
929 #ifndef ICMP_SOURCEQUENCH
930 # define ICMP_SOURCEQUENCH 4
932 #ifndef ICMP_REDIRECT_NET
933 # define ICMP_REDIRECT_NET 0
935 #ifndef ICMP_REDIRECT_HOST
936 # define ICMP_REDIRECT_HOST 1
938 #ifndef ICMP_REDIRECT_TOSNET
939 # define ICMP_REDIRECT_TOSNET 2
941 #ifndef ICMP_REDIRECT_TOSHOST
942 # define ICMP_REDIRECT_TOSHOST 3
944 #ifndef ICMP_ALTHOSTADDR
945 # define ICMP_ALTHOSTADDR 6
947 #ifndef ICMP_TIMXCEED
948 # define ICMP_TIMXCEED 11
950 #ifndef ICMP_TIMXCEED_INTRANS
951 # define ICMP_TIMXCEED_INTRANS 0
953 #ifndef ICMP_TIMXCEED_REASS
954 # define ICMP_TIMXCEED_REASS 1
956 #ifndef ICMP_PARAMPROB
957 # define ICMP_PARAMPROB 12
959 #ifndef ICMP_PARAMPROB_ERRATPTR
960 # define ICMP_PARAMPROB_ERRATPTR 0
962 #ifndef ICMP_PARAMPROB_OPTABSENT
963 # define ICMP_PARAMPROB_OPTABSENT 1
965 #ifndef ICMP_PARAMPROB_LENGTH
966 # define ICMP_PARAMPROB_LENGTH 2
969 # define ICMP_TSTAMP 13
971 #ifndef ICMP_TSTAMPREPLY
972 # define ICMP_TSTAMPREPLY 14
975 # define ICMP_IREQ 15
977 #ifndef ICMP_IREQREPLY
978 # define ICMP_IREQREPLY 16
981 # define ICMP_MASKREQ 17
983 #ifndef ICMP_MASKREPLY
984 # define ICMP_MASKREPLY 18
986 #ifndef ICMP_TRACEROUTE
987 # define ICMP_TRACEROUTE 30
989 #ifndef ICMP_DATACONVERR
990 # define ICMP_DATACONVERR 31
992 #ifndef ICMP_MOBILE_REDIRECT
993 # define ICMP_MOBILE_REDIRECT 32
995 #ifndef ICMP_IPV6_WHEREAREYOU
996 # define ICMP_IPV6_WHEREAREYOU 33
998 #ifndef ICMP_IPV6_IAMHERE
999 # define ICMP_IPV6_IAMHERE 34
1001 #ifndef ICMP_MOBILE_REGREQUEST
1002 # define ICMP_MOBILE_REGREQUEST 35
1004 #ifndef ICMP_MOBILE_REGREPLY
1005 # define ICMP_MOBILE_REGREPLY 36
1008 # define ICMP_SKIP 39
1010 #ifndef ICMP_PHOTURIS
1011 # define ICMP_PHOTURIS 40
1013 #ifndef ICMP_PHOTURIS_UNKNOWN_INDEX
1014 # define ICMP_PHOTURIS_UNKNOWN_INDEX 1
1016 #ifndef ICMP_PHOTURIS_AUTH_FAILED
1017 # define ICMP_PHOTURIS_AUTH_FAILED 2
1019 #ifndef ICMP_PHOTURIS_DECRYPT_FAILED
1020 # define ICMP_PHOTURIS_DECRYPT_FAILED 3
1023 # define IPVERSION 4
1025 #ifndef IPOPT_MINOFF
1026 # define IPOPT_MINOFF 4
1028 #ifndef IPOPT_COPIED
1029 # define IPOPT_COPIED(x) ((x)&0x80)
1032 # define IPOPT_EOL 0
1035 # define IPOPT_NOP 1
1038 # define IP_MF ((u_short)0x2000)
1040 #ifndef ETHERTYPE_IP
1041 # define ETHERTYPE_IP ((u_short)0x0800)
1044 # define TH_FIN 0x01
1047 # define TH_SYN 0x02
1050 # define TH_RST 0x04
1053 # define TH_PUSH 0x08
1056 # define TH_ACK 0x10
1059 # define TH_URG 0x20
1062 #define TH_ACKMASK (TH_FIN|TH_SYN|TH_RST|TH_ACK)
1065 # define IPOPT_EOL 0
1068 # define IPOPT_NOP 1
1074 # define IPOPT_TS 68
1076 #ifndef IPOPT_SECURITY
1077 # define IPOPT_SECURITY 130
1080 # define IPOPT_LSRR 131
1083 # define IPOPT_SATID 136
1086 # define IPOPT_SSRR 137
1088 #ifndef IPOPT_SECUR_UNCLASS
1089 # define IPOPT_SECUR_UNCLASS ((u_short)0x0000)
1091 #ifndef IPOPT_SECUR_CONFID
1092 # define IPOPT_SECUR_CONFID ((u_short)0xf135)
1094 #ifndef IPOPT_SECUR_EFTO
1095 # define IPOPT_SECUR_EFTO ((u_short)0x789a)
1097 #ifndef IPOPT_SECUR_MMMM
1098 # define IPOPT_SECUR_MMMM ((u_short)0xbc4d)
1100 #ifndef IPOPT_SECUR_RESTR
1101 # define IPOPT_SECUR_RESTR ((u_short)0xaf13)
1103 #ifndef IPOPT_SECUR_SECRET
1104 # define IPOPT_SECUR_SECRET ((u_short)0xd788)
1106 #ifndef IPOPT_SECUR_TOPSECRET
1107 # define IPOPT_SECUR_TOPSECRET ((u_short)0x6bc5)
1110 # define IPOPT_OLEN 1
1112 #ifndef IPPROTO_HOPOPTS
1113 # define IPPROTO_HOPOPTS 0
1115 #ifndef IPPROTO_IPIP
1116 # define IPPROTO_IPIP 4
1118 #ifndef IPPROTO_ENCAP
1119 # define IPPROTO_ENCAP 98
1121 #ifndef IPPROTO_IPV6
1122 # define IPPROTO_IPV6 41
1124 #ifndef IPPROTO_ROUTING
1125 # define IPPROTO_ROUTING 43
1127 #ifndef IPPROTO_FRAGMENT
1128 # define IPPROTO_FRAGMENT 44
1131 # define IPPROTO_GRE 47 /* GRE encaps RFC 1701 */
1134 # define IPPROTO_ESP 50
1137 # define IPPROTO_AH 51
1139 #ifndef IPPROTO_ICMPV6
1140 # define IPPROTO_ICMPV6 58
1142 #ifndef IPPROTO_NONE
1143 # define IPPROTO_NONE 59
1145 #ifndef IPPROTO_DSTOPTS
1146 # define IPPROTO_DSTOPTS 60
1148 #ifndef IPPROTO_MOBILITY
1149 # define IPPROTO_MOBILITY 135
1152 #ifndef ICMP_ROUTERADVERT
1153 # define ICMP_ROUTERADVERT 9
1155 #ifndef ICMP_ROUTERSOLICIT
1156 # define ICMP_ROUTERSOLICIT 10
1158 #ifndef ICMP6_DST_UNREACH
1159 # define ICMP6_DST_UNREACH 1
1161 #ifndef ICMP6_PACKET_TOO_BIG
1162 # define ICMP6_PACKET_TOO_BIG 2
1164 #ifndef ICMP6_TIME_EXCEEDED
1165 # define ICMP6_TIME_EXCEEDED 3
1167 #ifndef ICMP6_PARAM_PROB
1168 # define ICMP6_PARAM_PROB 4
1171 #ifndef ICMP6_ECHO_REQUEST
1172 # define ICMP6_ECHO_REQUEST 128
1174 #ifndef ICMP6_ECHO_REPLY
1175 # define ICMP6_ECHO_REPLY 129
1177 #ifndef ICMP6_MEMBERSHIP_QUERY
1178 # define ICMP6_MEMBERSHIP_QUERY 130
1180 #ifndef MLD6_LISTENER_QUERY
1181 # define MLD6_LISTENER_QUERY 130
1183 #ifndef ICMP6_MEMBERSHIP_REPORT
1184 # define ICMP6_MEMBERSHIP_REPORT 131
1186 #ifndef MLD6_LISTENER_REPORT
1187 # define MLD6_LISTENER_REPORT 131
1189 #ifndef ICMP6_MEMBERSHIP_REDUCTION
1190 # define ICMP6_MEMBERSHIP_REDUCTION 132
1192 #ifndef MLD6_LISTENER_DONE
1193 # define MLD6_LISTENER_DONE 132
1195 #ifndef ND_ROUTER_SOLICIT
1196 # define ND_ROUTER_SOLICIT 133
1198 #ifndef ND_ROUTER_ADVERT
1199 # define ND_ROUTER_ADVERT 134
1201 #ifndef ND_NEIGHBOR_SOLICIT
1202 # define ND_NEIGHBOR_SOLICIT 135
1204 #ifndef ND_NEIGHBOR_ADVERT
1205 # define ND_NEIGHBOR_ADVERT 136
1208 # define ND_REDIRECT 137
1210 #ifndef ICMP6_ROUTER_RENUMBERING
1211 # define ICMP6_ROUTER_RENUMBERING 138
1213 #ifndef ICMP6_WRUREQUEST
1214 # define ICMP6_WRUREQUEST 139
1216 #ifndef ICMP6_WRUREPLY
1217 # define ICMP6_WRUREPLY 140
1219 #ifndef ICMP6_FQDN_QUERY
1220 # define ICMP6_FQDN_QUERY 139
1222 #ifndef ICMP6_FQDN_REPLY
1223 # define ICMP6_FQDN_REPLY 140
1225 #ifndef ICMP6_NI_QUERY
1226 # define ICMP6_NI_QUERY 139
1228 #ifndef ICMP6_NI_REPLY
1229 # define ICMP6_NI_REPLY 140
1231 #ifndef MLD6_MTRACE_RESP
1232 # define MLD6_MTRACE_RESP 200
1235 # define MLD6_MTRACE 201
1237 #ifndef ICMP6_HADISCOV_REQUEST
1238 # define ICMP6_HADISCOV_REQUEST 202
1240 #ifndef ICMP6_HADISCOV_REPLY
1241 # define ICMP6_HADISCOV_REPLY 203
1243 #ifndef ICMP6_MOBILEPREFIX_SOLICIT
1244 # define ICMP6_MOBILEPREFIX_SOLICIT 204
1246 #ifndef ICMP6_MOBILEPREFIX_ADVERT
1247 # define ICMP6_MOBILEPREFIX_ADVERT 205
1249 #ifndef ICMP6_MAXTYPE
1250 # define ICMP6_MAXTYPE 205
1253 #ifndef ICMP6_DST_UNREACH_NOROUTE
1254 # define ICMP6_DST_UNREACH_NOROUTE 0
1256 #ifndef ICMP6_DST_UNREACH_ADMIN
1257 # define ICMP6_DST_UNREACH_ADMIN 1
1259 #ifndef ICMP6_DST_UNREACH_NOTNEIGHBOR
1260 # define ICMP6_DST_UNREACH_NOTNEIGHBOR 2
1262 #ifndef ICMP6_DST_UNREACH_BEYONDSCOPE
1263 # define ICMP6_DST_UNREACH_BEYONDSCOPE 2
1265 #ifndef ICMP6_DST_UNREACH_ADDR
1266 # define ICMP6_DST_UNREACH_ADDR 3
1268 #ifndef ICMP6_DST_UNREACH_NOPORT
1269 # define ICMP6_DST_UNREACH_NOPORT 4
1271 #ifndef ICMP6_TIME_EXCEED_TRANSIT
1272 # define ICMP6_TIME_EXCEED_TRANSIT 0
1274 #ifndef ICMP6_TIME_EXCEED_REASSEMBLY
1275 # define ICMP6_TIME_EXCEED_REASSEMBLY 1
1278 #ifndef ICMP6_NI_SUCCESS
1279 # define ICMP6_NI_SUCCESS 0
1281 #ifndef ICMP6_NI_REFUSED
1282 # define ICMP6_NI_REFUSED 1
1284 #ifndef ICMP6_NI_UNKNOWN
1285 # define ICMP6_NI_UNKNOWN 2
1288 #ifndef ICMP6_ROUTER_RENUMBERING_COMMAND
1289 # define ICMP6_ROUTER_RENUMBERING_COMMAND 0
1291 #ifndef ICMP6_ROUTER_RENUMBERING_RESULT
1292 # define ICMP6_ROUTER_RENUMBERING_RESULT 1
1294 #ifndef ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET
1295 # define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255
1298 #ifndef ICMP6_PARAMPROB_HEADER
1299 # define ICMP6_PARAMPROB_HEADER 0
1301 #ifndef ICMP6_PARAMPROB_NEXTHEADER
1302 # define ICMP6_PARAMPROB_NEXTHEADER 1
1304 #ifndef ICMP6_PARAMPROB_OPTION
1305 # define ICMP6_PARAMPROB_OPTION 2
1308 #ifndef ICMP6_NI_SUBJ_IPV6
1309 # define ICMP6_NI_SUBJ_IPV6 0
1311 #ifndef ICMP6_NI_SUBJ_FQDN
1312 # define ICMP6_NI_SUBJ_FQDN 1
1314 #ifndef ICMP6_NI_SUBJ_IPV4
1315 # define ICMP6_NI_SUBJ_IPV4 2
1318 #ifndef MLD_MTRACE_RESP
1319 # define MLD_MTRACE_RESP 200
1322 # define MLD_MTRACE 201
1324 #ifndef MLD6_MTRACE_RESP
1325 # define MLD6_MTRACE_RESP MLD_MTRACE_RESP
1328 # define MLD6_MTRACE MLD_MTRACE
1331 #if !defined(IPV6_FLOWINFO_MASK)
1332 # if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN)
1333 # define IPV6_FLOWINFO_MASK 0x0fffffff /* flow info (28 bits) */
1335 # if(BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN)
1336 # define IPV6_FLOWINFO_MASK 0xffffff0f /* flow info (28 bits) */
1337 # endif /* LITTLE_ENDIAN */
1340 #if !defined(IPV6_FLOWLABEL_MASK)
1341 # if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN)
1342 # define IPV6_FLOWLABEL_MASK 0x000fffff /* flow label (20 bits) */
1344 # if (BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN)
1345 # define IPV6_FLOWLABEL_MASK 0xffff0f00 /* flow label (20 bits) */
1346 # endif /* LITTLE_ENDIAN */
1351 * ECN is a new addition to TCP - RFC 2481
1354 # define TH_ECN 0x40
1357 # define TH_CWR 0x80
1359 #define TH_ECNALL (TH_ECN|TH_CWR)
1364 #define IPF_TCPS_LISTEN 0 /* listening for connection */
1365 #define IPF_TCPS_SYN_SENT 1 /* active, have sent syn */
1366 #define IPF_TCPS_SYN_RECEIVED 2 /* have send and received syn */
1367 #define IPF_TCPS_HALF_ESTAB 3 /* for connections not fully "up" */
1368 /* states < IPF_TCPS_ESTABLISHED are those where connections not established */
1369 #define IPF_TCPS_ESTABLISHED 4 /* established */
1370 #define IPF_TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */
1371 /* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */
1372 #define IPF_TCPS_FIN_WAIT_1 6 /* have closed, sent fin */
1373 #define IPF_TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */
1374 #define IPF_TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */
1375 /* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */
1376 #define IPF_TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */
1377 #define IPF_TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */
1378 #define IPF_TCPS_CLOSED 11 /* closed */
1379 #define IPF_TCP_NSTATES 12
1383 #undef ICMP_MAX_UNREACH
1384 #define ICMP_MAX_UNREACH 14
1386 #define ICMP_MAXTYPE 18
1389 # define LOG_FTP (11<<3)
1391 #ifndef LOG_AUTHPRIV
1392 # define LOG_AUTHPRIV (10<<3)
1395 # define LOG_AUDIT (13<<3)
1398 # define LOG_NTP (12<<3)
1400 #ifndef LOG_SECURITY
1401 # define LOG_SECURITY (13<<3)
1404 # define LOG_LFMT (14<<3)
1407 # define LOG_CONSOLE (14<<3)
1411 * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data,
1412 * another IP header and then 64 bits of data, totalling 56. Of course,
1413 * the last 64 bits is dependent on that being available.
1415 #define ICMPERR_ICMPHLEN 8
1416 #define ICMPERR_IPICMPHLEN (20 + 8)
1417 #define ICMPERR_MINPKTLEN (20 + 8 + 20)
1418 #define ICMPERR_MAXPKTLEN (20 + 8 + 20 + 8)
1419 #define ICMP6ERR_MINPKTLEN (40 + 8)
1420 #define ICMP6ERR_IPICMPHLEN (40 + 8 + 40)
1423 # define MIN(a,b) (((a)<(b))?(a):(b))
1427 # undef IPFILTER_BPF
1431 # define DPRINT(x) printf x
1438 # define DT(_n) DTRACE_PROBE(_n)
1439 # define DT1(_n,_a,_b) DTRACE_PROBE1(_n,_a,_b)
1440 # define DT2(_n,_a,_b,_c,_d) DTRACE_PROBE2(_n,_a,_b,_c,_d)
1441 # define DT3(_n,_a,_b,_c,_d,_e,_f) \
1442 DTRACE_PROBE3(_n,_a,_b,_c,_d,_e,_f)
1443 # define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) \
1444 DTRACE_PROBE4(_n,_a,_b,_c,_d,_e,_f,_g,_h)
1447 # define DT1(_n,_a,_b)
1448 # define DT2(_n,_a,_b,_c,_d)
1449 # define DT3(_n,_a,_b,_c,_d,_e,_f)
1450 # define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h)
1454 # define DT1(_n,_a,_b)
1455 # define DT2(_n,_a,_b,_c,_d)
1456 # define DT3(_n,_a,_b,_c,_d,_e,_f)
1457 # define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h)
1460 struct ip6_routing {
1461 u_char ip6r_nxt; /* next header */
1462 u_char ip6r_len; /* length in units of 8 octets */
1463 u_char ip6r_type; /* always zero */
1464 u_char ip6r_segleft; /* segments left */
1465 u_32_t ip6r_reserved; /* reserved field */
1468 #endif /* __IP_COMPAT_H__ */