1/* $NetBSD: ip_compat.h,v 1.13 2018/05/03 07:01:08 maxv Exp $ */ 2 3/* 4 * Copyright (C) 2012 by Darren Reed. 5 * 6 * See the IPFILTER.LICENCE file for details on licencing. 7 * 8 * @(#)ip_compat.h 1.8 1/14/96 9 * Id: ip_compat.h,v 1.1.1.2 2012/07/22 13:45:09 darrenr Exp 10 */ 11 12#ifndef _NETINET_IP_COMPAT_H_ 13#define _NETINET_IP_COMPAT_H_ 14 15#ifndef __STDC__ 16# undef const 17# define const 18#endif 19 20#if defined(_KERNEL) || defined(KERNEL) || defined(__KERNEL__) 21# undef KERNEL 22# undef _KERNEL 23# undef __KERNEL__ 24# define KERNEL 25# define _KERNEL 26# define __KERNEL__ 27#endif 28 29# if (defined(sun) && (defined(__svr4__) || defined(__SVR4))) 30# define SOLARIS 1 31# else 32# define SOLARIS 0 33# endif 34#if (defined(SOLARIS2) && (SOLARIS2 >= 8)) 35# ifndef USE_INET6 36# define USE_INET6 37# endif 38#endif 39#if defined(__FreeBSD_version) && (__FreeBSD_version >= 400000) && \ 40 !defined(_KERNEL) && !defined(USE_INET6) && !defined(NOINET6) 41# define USE_INET6 42#endif 43#if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 105000000) && \ 44 !defined(_KERNEL) && !defined(USE_INET6) && !defined(NOINET6) 45# define USE_INET6 46#endif 47#if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 106140000) && \ 48 defined(_KERNEL) && \ 49 (!defined(IPFILTER_LKM) || (__NetBSD_Version__ >= 399000100)) 50# define IPFILTER_M_IPFILTER 51#endif 52#if !defined(USE_INET6) 53# if defined(OpenBSD) && (OpenBSD >= 200206) && \ 54 !defined(_KERNEL) && !defined(USE_INET6) 55# define USE_INET6 56# endif 57# if defined(__osf__) 58# define USE_INET6 1 59# endif 60# if defined(linux) && (!defined(_KERNEL) || defined(CONFIG_IPV6)) 61# define USE_INET6 62# endif 63# if defined(HPUXREV) && (HPUXREV >= 1111) 64# define USE_INET6 65# endif 66#endif 67 68#if defined(BSD) && (BSD < 199103) && defined(__osf__) 69# undef BSD 70# define BSD 199103 71#endif 72 73#if defined(__SVR4) || defined(__svr4__) || defined(__sgi) 74# define index strchr 75# if !defined(_KERNEL) 76# define bzero(a,b) memset(a,0,b) 77# define bcmp memcmp 78# define bcopy(a,b,c) memmove(b,a,c) 79# endif 80#endif 81 82#ifndef LIFNAMSIZ 83# ifdef IF_NAMESIZE 84# define LIFNAMSIZ IF_NAMESIZE 85# else 86# ifdef IFNAMSIZ 87# define LIFNAMSIZ IFNAMSIZ 88# else 89# define LIFNAMSIZ 16 90# endif 91# endif 92#endif 93 94#if defined(__sgi) || defined(bsdi) || defined(__hpux) || defined(hpux) 95struct ether_addr { 96 u_char ether_addr_octet[6]; 97}; 98#endif 99 100#if defined(__sgi) && !defined(IPFILTER_LKM) 101# ifdef __STDC__ 102# define IPL_EXTERN(ep) ipfilter##ep 103# else 104# define IPL_EXTERN(ep) ipfilter/**/ep 105# endif 106#else 107# ifdef __STDC__ 108# define IPL_EXTERN(ep) ipl##ep 109# else 110# define IPL_EXTERN(ep) ipl/**/ep 111# endif 112#endif 113 114/* 115 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD. 116 */ 117#ifndef linux 118# ifndef _KERNEL 119# define ADD_KERNEL 120# define _KERNEL 121# define KERNEL 122# endif 123# ifdef __OpenBSD__ 124struct file; 125# endif 126# include <sys/uio.h> 127# ifdef ADD_KERNEL 128# undef _KERNEL 129# undef KERNEL 130# endif 131#endif 132 133# define NETBSD_GE_REV(x) (__NetBSD_Version__ >= (x)) 134# define NETBSD_GT_REV(x) (__NetBSD_Version__ > (x)) 135# define NETBSD_LT_REV(x) (__NetBSD_Version__ < (x)) 136 137# define FREEBSD_GE_REV(x) 0 138# define FREEBSD_GT_REV(x) 0 139# define FREEBSD_LT_REV(x) 0 140 141# define BSDOS_GE_REV(x) 0 142# define BSDOS_GT_REV(x) 0 143# define BSDOS_LT_REV(x) 0 144 145# define OPENBSD_GE_REV(x) 0 146# define OPENBSD_GT_REV(x) 0 147# define OPENBSD_LT_REV(x) 0 148 149# define BSD_GE_YEAR(x) (BSD >= (x)) 150# define BSD_GT_YEAR(x) (BSD > (x)) 151# define BSD_LT_YEAR(x) (BSD < (x)) 152 153 154/* ----------------------------------------------------------------------- */ 155/* N E T B S D */ 156/* ----------------------------------------------------------------------- */ 157#ifdef __NetBSD__ 158# define HAS_SYS_MD5_H 1 159# if (NetBSD >= 199905) && !defined(IPFILTER_LKM) && defined(_KERNEL) 160# if (__NetBSD_Version__ < 399001400) 161# include "opt_ipfilter_log.h" 162# else 163# if (__NetBSD_Version__ >= 799003000) 164# if defined(_KERNEL_OPT) 165# include "opt_ipfilter.h" 166# endif 167# else 168# include "opt_ipfilter.h" 169# endif 170# endif 171# endif 172# if defined(_KERNEL) 173# include <sys/systm.h> 174# include <sys/malloc.h> 175# if (__NetBSD_Version__ > 500000000) 176# include <sys/kauth.h> 177# endif 178# else 179# include <stddef.h> 180# include <stdbool.h> 181# endif 182# if defined(_KERNEL) && !defined(IPFILTER_LKM) 183# if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 599002300) 184# define NBPFILTER 1 185# else 186# include "bpfilter.h" 187# endif 188# if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 104110000) 189# if (__NetBSD_Version__ >= 799003000) 190# if defined(_KERNEL_OPT) 191# include "opt_inet.h" 192# endif 193# else 194# include "opt_inet.h" 195# endif 196# endif 197# ifdef INET6 198# define USE_INET6 199# endif 200# if (__NetBSD_Version__ >= 105000000) 201# define HAVE_M_PULLDOWN 1 202# endif 203# endif 204 205#ifndef _KERNEL 206# define ipf_random arc4random 207#endif 208 209# if (__NetBSD_Version__ >= 499000000) 210# ifdef _KERNEL 211# include <sys/rwlock.h> 212# define USE_MUTEXES 1 213# define KMUTEX_T kmutex_t 214# define KRWLOCK_T krwlock_t 215# define MUTEX_DESTROY(x) mutex_destroy(&(x)->ipf_lk) 216# define MUTEX_DOWNGRADE(x) rw_downgrade(&(x)->ipf_lk) 217# define MUTEX_ENTER(x) mutex_enter(&(x)->ipf_lk) 218# define MUTEX_EXIT(x) mutex_exit(&(x)->ipf_lk) 219# define MUTEX_INIT(x,y) mutex_init(&(x)->ipf_lk, MUTEX_DRIVER,\ 220 IPL_SOFTNET) 221# define MUTEX_NUKE(x) bzero((x), sizeof(*(x))) 222# define READ_ENTER(x) rw_enter(&(x)->ipf_lk, RW_READER) 223# define RWLOCK_INIT(x, y) rw_init(&(x)->ipf_lk) 224# define RWLOCK_EXIT(x) rw_exit(&(x)->ipf_lk) 225# define RW_DESTROY(x) rw_destroy(&(x)->ipf_lk) 226# define WRITE_ENTER(x) rw_enter(&(x)->ipf_lk, RW_WRITER) 227# define SPL_SCHED(x) ; 228# define SPL_NET(x) ; 229# define SPL_IMP(x) ; 230# define SPL_X(x) ; 231# endif 232# endif 233 234#if (__NetBSD_Version__ >= 699000000) 235# define HAVE_RBTREE 1 236#endif 237 238# ifdef _KERNEL 239# include <sys/cprng.h> 240# if (__NetBSD_Version__ >= 399001400) 241# include <sys/selinfo.h> /* Not in NetBSD 3.1 */ 242# define PROC_T struct lwp 243# define KFREE(a) free((a), _M_IPF) 244# define KFREES(a, b) free((a), _M_IPF) 245# define KMALLOC(a, b) (a) = (b)malloc(sizeof (*(a)), \ 246 _M_IPF, M_NOWAIT) 247# define KMALLOCS(a, b, c) (a) = (b)malloc((c), _M_IPF, M_NOWAIT) 248# else 249# define PROC_T struct proc 250# endif 251# define MSGDSIZE(m) mbufchainlen(m) 252# define M_LEN(m) (m)->m_len 253# define M_ADJ(m,x) m_adj(m, x) 254# define M_COPY(x) m_copym((x), 0, M_COPYALL, M_DONTWAIT) 255# define GETKTIME(x) microtime((struct timeval *)x) 256# define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); } 257# define COPYIN(a,b,c) copyin((void *)(a), (void *)(b), (c)) 258# define COPYOUT(a,b,c) copyout((void *)(a), (void *)(b), (c)) 259# define BCOPYIN(a,b,c) (bcopy((void *)(a), (void *)(b), (c)), 0) 260# define BCOPYOUT(a,b,c) (bcopy((void *)(a), (void *)(b), (c)), 0) 261# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 499004900)) 262# define POLLWAKEUP(x) selnotify(softc->ipf_selwait+x, 0, 0) 263# endif 264# define ASSERT(x) KASSERT(x) 265typedef struct mbuf mb_t; 266# endif /* _KERNEL */ 267# if (NetBSD <= 1991011) && (NetBSD >= 199606) 268# define IFNAME(x) ((struct ifnet *)x)->if_xname 269# define COPYIFNAME(v, x, b) \ 270 (void) strncpy(b, \ 271 ((struct ifnet *)x)->if_xname, \ 272 LIFNAMSIZ) 273# else 274# define IFNAME(x) ((struct ifnet *)x)->if_name 275# endif 276typedef struct uio uio_t; 277typedef u_long ioctlcmd_t; 278typedef int minor_t; 279typedef u_int32_t u_32_t; 280# define U_32_T 1 281 282# define OS_RECOGNISED 1 283#endif /* __NetBSD__ */ 284 285/* ----------------------------------------------------------------------- */ 286/* G E N E R I C */ 287/* ----------------------------------------------------------------------- */ 288 289/* 290 * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in 291 * filter rules. 292 */ 293#if !defined(IPFILTER_BPF) 294# if (defined(NBPF) && (NBPF > 0)) || (defined(DEV_BPF) && (DEV_BPF > 0)) || \ 295 (defined(NBPFILTER) && (NBPFILTER > 0)) 296# define IPFILTER_BPF 297# endif 298#endif 299 300/* 301 * Userland locking primitives 302 */ 303#if !defined(KMUTEX_FILL_SZ) 304# define KMUTEX_FILL_SZ 1 305#endif 306#if !defined(KRWLOCK_FILL_SZ) 307# define KRWLOCK_FILL_SZ 1 308#endif 309 310typedef struct { 311 char *eMm_owner; 312 char *eMm_heldin; 313 u_int eMm_magic; 314 int eMm_held; 315 int eMm_heldat; 316} eMmutex_t; 317 318typedef struct { 319 char *eMrw_owner; 320 char *eMrw_heldin; 321 u_int eMrw_magic; 322 short eMrw_read; 323 short eMrw_write; 324 int eMrw_heldat; 325} eMrwlock_t; 326 327typedef union { 328 char _fill[KMUTEX_FILL_SZ]; 329#ifdef KMUTEX_T 330 struct { 331 KMUTEX_T ipf_slk; 332 const char *ipf_lname; 333 } ipf_lkun_s; 334#endif 335 eMmutex_t ipf_emu; 336} ipfmutex_t; 337 338typedef union { 339 char _fill[KRWLOCK_FILL_SZ]; 340#ifdef KRWLOCK_T 341 struct { 342 KRWLOCK_T ipf_slk; 343 const char *ipf_lname; 344 int ipf_sr; 345 int ipf_sw; 346 u_int ipf_magic; 347 } ipf_lkun_s; 348#endif 349 eMrwlock_t ipf_emu; 350} ipfrwlock_t; 351 352#define ipf_lk ipf_lkun_s.ipf_slk 353#define ipf_lname ipf_lkun_s.ipf_lname 354#define ipf_isr ipf_lkun_s.ipf_sr 355#define ipf_isw ipf_lkun_s.ipf_sw 356#define ipf_magic ipf_lkun_s.ipf_magic 357 358#if !defined(__GNUC__) || \ 359 (defined(__FreeBSD_version) && (__FreeBSD_version >= 503000)) 360# ifndef INLINE 361# define INLINE 362# endif 363#else 364# define INLINE __inline__ 365#endif 366 367#ifndef EXTERN_INLINE 368# if defined(__GNUC__) && !defined(__GNUC_STDC_INLINE__) 369# define EXTERN_INLINE inline 370# else 371# define EXTERN_INLINE extern inline 372# endif 373#endif 374 375#if defined(linux) && defined(_KERNEL) 376extern void ipf_read_enter(ipfrwlock_t *); 377extern void ipf_write_enter(ipfrwlock_t *); 378extern void ipf_rw_exit(ipfrwlock_t *); 379extern void ipf_rw_init(ipfrwlock_t *, char *); 380extern void ipf_rw_downgrade(ipfrwlock_t *); 381#endif 382 383/* 384 * In a non-kernel environment, there are a lot of macros that need to be 385 * filled in to be null-ops or to point to some compatibility function, 386 * somewhere in userland. 387 */ 388#ifndef _KERNEL 389typedef struct mb_s { 390 struct mb_s *mb_next; 391 char *mb_data; 392 void *mb_ifp; 393 int mb_len; 394 int mb_flags; 395 u_long mb_buf[2048]; 396} mb_t; 397# undef m_next 398# define m_next mb_next 399# undef m_len 400# define m_len mb_len 401# undef m_flags 402# define m_flags mb_flags 403# undef m_data 404# define m_data mb_data 405# undef M_MCAST 406# define M_MCAST 0x01 407# undef M_BCAST 408# define M_BCAST 0x02 409# undef M_MBCAST 410# define M_MBCAST 0x04 411# define MSGDSIZE(m) msgdsize(m) 412# define M_LEN(m) (m)->mb_len 413# define M_ADJ(m,x) (m)->mb_len += x 414# define M_COPY(m) dupmbt(m) 415# define M_DUP(m) dupmbt(m) 416# define GETKTIME(x) gettimeofday((struct timeval *)(x), NULL) 417# define MTOD(m, t) ((t)(m)->mb_data) 418# define FREE_MB_T(m) freembt(m) 419# define ALLOC_MB_T(m,l) (m) = allocmbt(l) 420# define PREP_MB_T(f, m) do { \ 421 (m)->mb_next = *(f)->fin_mp; \ 422 *(fin)->fin_mp = (m); \ 423 (f)->fin_m = (m); \ 424 } while (0) 425# define SLEEP(x,y) 1; 426# define WAKEUP(x,y) ; 427# define POLLWAKEUP(y) ; 428# define IPF_PANIC(x,y) ; 429# define PANIC(x,y) ; 430# define SPL_SCHED(x) ; 431# define SPL_NET(x) ; 432# define SPL_IMP(x) ; 433# define SPL_X(x) ; 434# define KMALLOC(a,b) (a) = (b)malloc(sizeof(*a)) 435# define KMALLOCS(a,b,c) (a) = (b)malloc(c) 436# define KFREE(x) free(x) 437# define KFREES(x,s) free(x) 438# define GETIFP(x, v) get_unit(x,v) 439# define GETIFMTU_4(x) 2048 440# define GETIFMTU_6(x) 2048 441# define COPYIN(a,b,c) bcopywrap((a), (b), (c)) 442# define COPYOUT(a,b,c) bcopywrap((a), (b), (c)) 443# define COPYDATA(m, o, l, b) bcopy(MTOD((mb_t *)m, char *) + (o), \ 444 (b), (l)) 445# define COPYBACK(m, o, l, b) bcopy((b), \ 446 MTOD((mb_t *)m, char *) + (o), \ 447 (l)) 448# define UIOMOVE(a,b,c,d) ipfuiomove(a,b,c,d) 449extern void m_copydata(mb_t *, int, int, void *); 450extern int ipfuiomove(void *, int, int, struct uio *); 451extern int bcopywrap(void *, void *, size_t); 452extern mb_t *allocmbt(size_t); 453extern mb_t *dupmbt(mb_t *); 454extern void freembt(mb_t *); 455 456# define MUTEX_DESTROY(x) eMmutex_destroy(&(x)->ipf_emu, \ 457 __FILE__, __LINE__) 458# define MUTEX_ENTER(x) eMmutex_enter(&(x)->ipf_emu, \ 459 __FILE__, __LINE__) 460# define MUTEX_EXIT(x) eMmutex_exit(&(x)->ipf_emu, \ 461 __FILE__, __LINE__) 462# define MUTEX_INIT(x,y) eMmutex_init(&(x)->ipf_emu, y, \ 463 __FILE__, __LINE__) 464# define MUTEX_NUKE(x) bzero((x), sizeof(*(x))) 465 466# define MUTEX_DOWNGRADE(x) eMrwlock_downgrade(&(x)->ipf_emu, \ 467 __FILE__, __LINE__) 468# define READ_ENTER(x) eMrwlock_read_enter(&(x)->ipf_emu, \ 469 __FILE__, __LINE__) 470# define RWLOCK_INIT(x, y) eMrwlock_init(&(x)->ipf_emu, y) 471# define RWLOCK_EXIT(x) eMrwlock_exit(&(x)->ipf_emu) 472# define RW_DESTROY(x) eMrwlock_destroy(&(x)->ipf_emu) 473# define WRITE_ENTER(x) eMrwlock_write_enter(&(x)->ipf_emu, \ 474 __FILE__, \ 475 __LINE__) 476 477# define USE_MUTEXES 1 478 479extern void eMmutex_destroy(eMmutex_t *, char *, int); 480extern void eMmutex_enter(eMmutex_t *, char *, int); 481extern void eMmutex_exit(eMmutex_t *, char *, int); 482extern void eMmutex_init(eMmutex_t *, char *, char *, int); 483extern void eMrwlock_destroy(eMrwlock_t *); 484extern void eMrwlock_exit(eMrwlock_t *); 485extern void eMrwlock_init(eMrwlock_t *, char *); 486extern void eMrwlock_read_enter(eMrwlock_t *, char *, int); 487extern void eMrwlock_write_enter(eMrwlock_t *, char *, int); 488extern void eMrwlock_downgrade(eMrwlock_t *, char *, int); 489 490#endif 491 492extern mb_t *allocmbt(size_t); 493 494#define MAX_IPV4HDR ((0xf << 2) + sizeof(struct icmp) + sizeof(ip_t) + 8) 495 496#ifndef IP_OFFMASK 497# define IP_OFFMASK 0x1fff 498#endif 499 500 501/* 502 * On BSD's use quad_t as a guarantee for getting at least a 64bit sized 503 * object. 504 */ 505#if !defined(__amd64__) && BSD_GT_YEAR(199306) 506# define USE_QUAD_T 507# define U_QUAD_T u_quad_t 508# define QUAD_T quad_t 509#else /* BSD > 199306 */ 510# if !defined(U_QUAD_T) 511# define U_QUAD_T u_long 512# define QUAD_T long 513# endif 514#endif /* BSD > 199306 */ 515 516 517#ifdef USE_INET6 518# if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || \ 519 defined(__osf__) || defined(linux) 520# include <netinet/ip6.h> 521# include <netinet/icmp6.h> 522# if !defined(linux) 523# if defined(_KERNEL) && !defined(__osf__) 524# include <netinet6/ip6_var.h> 525# endif 526# endif 527typedef struct ip6_hdr ip6_t; 528# endif 529#endif 530 531#ifndef MAX 532# define MAX(a,b) (((a) > (b)) ? (a) : (b)) 533#endif 534 535#if defined(_KERNEL) 536# if defined(MENTAT) && !defined(INSTANCES) 537# define COPYDATA mb_copydata 538# define COPYBACK mb_copyback 539# else 540# define COPYDATA m_copydata 541# define COPYBACK m_copyback 542# endif 543# if BSD_GE_YEAR(199306) || defined(__FreeBSD__) 544# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \ 545 defined(__FreeBSD__) || (defined(OpenBSD) && (OpenBSD < 200206)) || \ 546 defined(_BSDI_VERSION) 547# include <vm/vm.h> 548# endif 549# if !defined(__FreeBSD__) || FREEBSD_GE_REV(300000) 550# if NETBSD_GE_REV(105180000) || OPENBSD_GE_REV(200111) 551/* # include <uvm/uvm_extern.h> */ 552# else 553# include <vm/vm_extern.h> 554extern vm_map_t kmem_map; 555# endif 556# include <sys/proc.h> 557# else /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */ 558# include <vm/vm_kern.h> 559# endif /* !__FreeBSD__ || (__FreeBSD__ && __FreeBSD_version >= 300000) */ 560 561# ifdef IPFILTER_M_IPFILTER 562# include <sys/malloc.h> 563MALLOC_DECLARE(M_IPFILTER); 564# define _M_IPF M_IPFILTER 565# else /* IPFILTER_M_IPFILTER */ 566# ifdef M_PFIL 567# define _M_IPF M_PFIL 568# else 569# ifdef M_IPFILTER 570# define _M_IPF M_IPFILTER 571# else 572# define _M_IPF M_TEMP 573# endif /* M_IPFILTER */ 574# endif /* M_PFIL */ 575# endif /* IPFILTER_M_IPFILTER */ 576# if !defined(KMALLOC) 577# define KMALLOC(a, b) (a) = (b)malloc(sizeof(*(a)), _M_IPF, M_NOWAIT) 578# endif 579# if !defined(KMALLOCS) 580# define KMALLOCS(a, b, c) (a) = (b)malloc((c), _M_IPF, M_NOWAIT) 581# endif 582# if !defined(KFREE) 583# define KFREE(x) free((x), _M_IPF) 584# endif 585# if !defined(KFREES) 586# define KFREES(x,s) free((x), _M_IPF) 587# endif 588# define UIOMOVE(a,b,c,d) uiomove((void *)a,b,d) 589# define SLEEP(id, n) tsleep((id), PPAUSE|PCATCH, n, 0) 590# define WAKEUP(id,x) wakeup(id+x) 591# if !defined(POLLWAKEUP) 592# define POLLWAKEUP(x) selwakeup(softc->ipf_selwait+x) 593# endif 594# define GETIFP(n, v) ifunit(n) 595# define GETIFMTU_4(x) ((struct ifnet *)x)->if_mtu 596# define GETIFMTU_6(x) ((struct ifnet *)x)->if_mtu 597# endif /* (Free)BSD */ 598 599# if !defined(USE_MUTEXES) && !defined(SPL_NET) 600# if (defined(NetBSD) && (NetBSD <= 1991011) && (NetBSD >= 199407)) || \ 601 OPENBSD_GE_REV(200006) 602# define SPL_NET(x) x = splsoftnet() 603# else 604# define SPL_IMP(x) x = splimp() 605# define SPL_NET(x) x = splnet() 606# endif /* NetBSD && (NetBSD <= 1991011) && (NetBSD >= 199407) */ 607# if !defined(SPL_SCHED) 608# define SPL_SCHED(x) x = splsched() 609# endif 610# define SPL_X(x) (void) splx(x) 611# endif /* !USE_MUTEXES */ 612 613# ifndef FREE_MB_T 614# define FREE_MB_T(m) m_freem(m) 615# endif 616# ifndef ALLOC_MB_T 617# ifdef MGETHDR 618# define ALLOC_MB_T(m,l) do { \ 619 MGETHDR((m), M_DONTWAIT, MT_HEADER); \ 620 if ((m) != NULL) { \ 621 (m)->m_len = (l); \ 622 (m)->m_pkthdr.len = (l); \ 623 } \ 624 } while (0) 625# else 626# define ALLOC_MB_T(m,l) do { \ 627 MGET((m), M_DONTWAIT, MT_HEADER); \ 628 if ((m) != NULL) { \ 629 (m)->m_len = (l); \ 630 (m)->m_pkthdr.len = (l); \ 631 } \ 632 } while (0) 633# endif 634# endif 635# ifndef PREP_MB_T 636# define PREP_MB_T(f, m) do { \ 637 mb_t *_o = *(f)->fin_mp; \ 638 (m)->m_next = _o; \ 639 *(fin)->fin_mp = (m); \ 640 if (_o->m_flags & M_PKTHDR) { \ 641 (m)->m_pkthdr.len += \ 642 _o->m_pkthdr.len; \ 643 m_copy_rcvif((m), _o); \ 644 } \ 645 } while (0) 646# endif 647# ifndef M_DUP 648# ifdef M_COPYALL 649# define M_DUP(m) m_dup(m, 0, M_COPYALL, 0) 650# else 651# define M_DUP(m) m_dup(m) 652# endif 653# endif 654 655# ifndef MTOD 656# define MTOD(m,t) mtod(m,t) 657# endif 658 659# ifndef COPYIN 660# define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 661# define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 662# endif 663 664# ifndef KMALLOC 665# define KMALLOC(a,b) (a) = (b)new_kmem_alloc(sizeof(*(a)), \ 666 KMEM_NOSLEEP) 667# define KMALLOCS(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP) 668# endif 669 670# ifndef GET_MINOR 671# define GET_MINOR(x) minor(x) 672# endif 673# define PANIC(x,y) if (x) panic y 674#endif /* _KERNEL */ 675 676#if !defined(IFNAME) && !defined(_KERNEL) 677# define IFNAME(x) get_ifname((struct ifnet *)x) 678#endif 679#ifndef COPYIFNAME 680# define NEED_FRGETIFNAME 681extern char *ipf_getifname(struct ifnet *, char *); 682# define COPYIFNAME(v, x, b) \ 683 ipf_getifname((struct ifnet *)x, b) 684#endif 685 686#ifndef ASSERT 687# ifdef _KERNEL 688# define ASSERT(x) 689# else 690# define ASSERT(x) do { if (!(x)) abort(); } while (0) 691# endif 692#endif 693 694#ifndef BCOPYIN 695# define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 696# define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 697#endif 698 699/* 700 * Because the ctype(3) posix definition, if used "safely" in code everywhere, 701 * would mean all normal code that walks through strings needed casts. Yuck. 702 */ 703#define ISALNUM(x) isalnum((u_char)(x)) 704#define ISALPHA(x) isalpha((u_char)(x)) 705#define ISDIGIT(x) isdigit((u_char)(x)) 706#define ISSPACE(x) isspace((u_char)(x)) 707#define ISUPPER(x) isupper((u_char)(x)) 708#define ISXDIGIT(x) isxdigit((u_char)(x)) 709#define ISLOWER(x) islower((u_char)(x)) 710#define TOUPPER(x) toupper((u_char)(x)) 711#define TOLOWER(x) tolower((u_char)(x)) 712 713/* 714 * If mutexes aren't being used, turn all the mutex functions into null-ops. 715 */ 716#if !defined(USE_MUTEXES) 717# define USE_SPL 1 718# undef RW_DESTROY 719# undef MUTEX_INIT 720# undef MUTEX_NUKE 721# undef MUTEX_DESTROY 722# define MUTEX_ENTER(x) ; 723# define READ_ENTER(x) ; 724# define WRITE_ENTER(x) ; 725# define MUTEX_DOWNGRADE(x) ; 726# define RWLOCK_INIT(x, y) ; 727# define RWLOCK_EXIT(x) ; 728# define RW_DESTROY(x) ; 729# define MUTEX_EXIT(x) ; 730# define MUTEX_INIT(x,y) ; 731# define MUTEX_DESTROY(x) ; 732# define MUTEX_NUKE(x) ; 733#endif /* !USE_MUTEXES */ 734#ifndef ATOMIC_INC 735# define ATOMIC_INC(x) (x)++ 736# define ATOMIC_DEC(x) (x)-- 737#endif 738 739#if defined(USE_SPL) && defined(_KERNEL) 740# define SPL_INT(x) int x 741#else 742# define SPL_INT(x) 743#endif 744 745/* 746 * If there are no atomic operations for bit sizes defined, define them to all 747 * use a generic one that works for all sizes. 748 */ 749#ifndef ATOMIC_INCL 750# define ATOMIC_INCL ATOMIC_INC 751# define ATOMIC_INC64 ATOMIC_INC 752# define ATOMIC_INC32 ATOMIC_INC 753# define ATOMIC_DECL ATOMIC_DEC 754# define ATOMIC_DEC64 ATOMIC_DEC 755# define ATOMIC_DEC32 ATOMIC_DEC 756#endif 757 758#ifndef HDR_T_PRIVATE 759typedef struct tcphdr tcphdr_t; 760typedef struct udphdr udphdr_t; 761#endif 762typedef struct icmp icmphdr_t; 763typedef struct ip ip_t; 764typedef struct ether_header ether_header_t; 765 766#ifndef FR_GROUPLEN 767# define FR_GROUPLEN 16 768#endif 769 770#ifndef offsetof 771# define offsetof(t,m) (size_t)((&((t *)0L)->m)) 772#endif 773#ifndef stsizeof 774# define stsizeof(t,m) sizeof(((t *)0L)->m) 775#endif 776 777/* 778 * This set of macros has been brought about because on Tru64 it is not 779 * possible to easily assign or examine values in a structure that are 780 * bit fields. 781 */ 782#ifndef IP_V 783# define IP_V(x) (x)->ip_v 784#endif 785#ifndef IP_V_A 786# define IP_V_A(x,y) (x)->ip_v = (y) 787#endif 788#ifndef IP_HL 789# define IP_HL(x) (x)->ip_hl 790#endif 791#ifndef IP_HL_A 792# define IP_HL_A(x,y) (x)->ip_hl = ((y) & 0xf) 793#endif 794#ifndef TCP_X2 795# define TCP_X2(x) (x)->th_x2 796#endif 797#ifndef TCP_X2_A 798# define TCP_X2_A(x,y) (x)->th_x2 = (y) 799#endif 800#ifndef TCP_OFF 801# define TCP_OFF(x) (x)->th_off 802#endif 803#ifndef TCP_OFF_A 804# define TCP_OFF_A(x,y) (x)->th_off = (y) 805#endif 806#define IPMINLEN(i, h) ((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h))) 807 808 809/* 810 * XXX - This is one of those *awful* hacks which nobody likes 811 */ 812#ifdef ultrix 813#define A_A 814#else 815#define A_A & 816#endif 817 818#define TCPF_ALL (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\ 819 TH_ECN|TH_CWR) 820 821#if BSD_GE_YEAR(199306) && !defined(m_act) 822# define m_act m_nextpkt 823#endif 824 825/* 826 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108. 827 * 828 * Basic Option 829 * 830 * 00000001 - (Reserved 4) 831 * 00111101 - Top Secret 832 * 01011010 - Secret 833 * 10010110 - Confidential 834 * 01100110 - (Reserved 3) 835 * 11001100 - (Reserved 2) 836 * 10101011 - Unclassified 837 * 11110001 - (Reserved 1) 838 */ 839#define IPSO_CLASS_RES4 0x01 840#define IPSO_CLASS_TOPS 0x3d 841#define IPSO_CLASS_SECR 0x5a 842#define IPSO_CLASS_CONF 0x96 843#define IPSO_CLASS_RES3 0x66 844#define IPSO_CLASS_RES2 0xcc 845#define IPSO_CLASS_UNCL 0xab 846#define IPSO_CLASS_RES1 0xf1 847 848#define IPSO_AUTH_GENSER 0x80 849#define IPSO_AUTH_ESI 0x40 850#define IPSO_AUTH_SCI 0x20 851#define IPSO_AUTH_NSA 0x10 852#define IPSO_AUTH_DOE 0x08 853#define IPSO_AUTH_UN 0x06 854#define IPSO_AUTH_FTE 0x01 855 856/* 857 * IP option #defines 858 */ 859#undef IPOPT_RR 860#define IPOPT_RR 7 861#undef IPOPT_ZSU 862#define IPOPT_ZSU 10 /* ZSU */ 863#undef IPOPT_MTUP 864#define IPOPT_MTUP 11 /* MTUP */ 865#undef IPOPT_MTUR 866#define IPOPT_MTUR 12 /* MTUR */ 867#undef IPOPT_ENCODE 868#define IPOPT_ENCODE 15 /* ENCODE */ 869#undef IPOPT_TS 870#define IPOPT_TS 68 871#undef IPOPT_TR 872#define IPOPT_TR 82 /* TR */ 873#undef IPOPT_SECURITY 874#define IPOPT_SECURITY 130 875#undef IPOPT_LSRR 876#define IPOPT_LSRR 131 877#undef IPOPT_E_SEC 878#define IPOPT_E_SEC 133 /* E-SEC */ 879#undef IPOPT_CIPSO 880#define IPOPT_CIPSO 134 /* CIPSO */ 881#undef IPOPT_SATID 882#define IPOPT_SATID 136 883#ifndef IPOPT_SID 884# define IPOPT_SID IPOPT_SATID 885#endif 886#undef IPOPT_SSRR 887#define IPOPT_SSRR 137 888#undef IPOPT_ADDEXT 889#define IPOPT_ADDEXT 147 /* ADDEXT */ 890#undef IPOPT_VISA 891#define IPOPT_VISA 142 /* VISA */ 892#undef IPOPT_IMITD 893#define IPOPT_IMITD 144 /* IMITD */ 894#undef IPOPT_EIP 895#define IPOPT_EIP 145 /* EIP */ 896#undef IPOPT_RTRALRT 897#define IPOPT_RTRALRT 148 /* RTRALRT */ 898#undef IPOPT_SDB 899#define IPOPT_SDB 149 900#undef IPOPT_NSAPA 901#define IPOPT_NSAPA 150 902#undef IPOPT_DPS 903#define IPOPT_DPS 151 904#undef IPOPT_UMP 905#define IPOPT_UMP 152 906#undef IPOPT_FINN 907#define IPOPT_FINN 205 /* FINN */ 908#undef IPOPT_AH 909#define IPOPT_AH 256+IPPROTO_AH 910 911#ifndef TCPOPT_EOL 912# define TCPOPT_EOL 0 913#endif 914#ifndef TCPOPT_NOP 915# define TCPOPT_NOP 1 916#endif 917#ifndef TCPOPT_MAXSEG 918# define TCPOPT_MAXSEG 2 919#endif 920#ifndef TCPOLEN_MAXSEG 921# define TCPOLEN_MAXSEG 4 922#endif 923#ifndef TCPOPT_WINDOW 924# define TCPOPT_WINDOW 3 925#endif 926#ifndef TCPOLEN_WINDOW 927# define TCPOLEN_WINDOW 3 928#endif 929#ifndef TCPOPT_SACK_PERMITTED 930# define TCPOPT_SACK_PERMITTED 4 931#endif 932#ifndef TCPOLEN_SACK_PERMITTED 933# define TCPOLEN_SACK_PERMITTED 2 934#endif 935#ifndef TCPOPT_SACK 936# define TCPOPT_SACK 5 937#endif 938#ifndef TCPOPT_TIMESTAMP 939# define TCPOPT_TIMESTAMP 8 940#endif 941 942#ifndef ICMP_MINLEN 943# define ICMP_MINLEN 8 944#endif 945#ifndef ICMP_ECHOREPLY 946# define ICMP_ECHOREPLY 0 947#endif 948#ifndef ICMP_UNREACH 949# define ICMP_UNREACH 3 950#endif 951#ifndef ICMP_UNREACH_NET 952# define ICMP_UNREACH_NET 0 953#endif 954#ifndef ICMP_UNREACH_HOST 955# define ICMP_UNREACH_HOST 1 956#endif 957#ifndef ICMP_UNREACH_PROTOCOL 958# define ICMP_UNREACH_PROTOCOL 2 959#endif 960#ifndef ICMP_UNREACH_PORT 961# define ICMP_UNREACH_PORT 3 962#endif 963#ifndef ICMP_UNREACH_NEEDFRAG 964# define ICMP_UNREACH_NEEDFRAG 4 965#endif 966#ifndef ICMP_UNREACH_SRCFAIL 967# define ICMP_UNREACH_SRCFAIL 5 968#endif 969#ifndef ICMP_UNREACH_NET_UNKNOWN 970# define ICMP_UNREACH_NET_UNKNOWN 6 971#endif 972#ifndef ICMP_UNREACH_HOST_UNKNOWN 973# define ICMP_UNREACH_HOST_UNKNOWN 7 974#endif 975#ifndef ICMP_UNREACH_ISOLATED 976# define ICMP_UNREACH_ISOLATED 8 977#endif 978#ifndef ICMP_UNREACH_NET_PROHIB 979# define ICMP_UNREACH_NET_PROHIB 9 980#endif 981#ifndef ICMP_UNREACH_HOST_PROHIB 982# define ICMP_UNREACH_HOST_PROHIB 10 983#endif 984#ifndef ICMP_UNREACH_TOSNET 985# define ICMP_UNREACH_TOSNET 11 986#endif 987#ifndef ICMP_UNREACH_TOSHOST 988# define ICMP_UNREACH_TOSHOST 12 989#endif 990#ifndef ICMP_UNREACH_ADMIN_PROHIBIT 991# define ICMP_UNREACH_ADMIN_PROHIBIT 13 992#endif 993#ifndef ICMP_UNREACH_FILTER 994# define ICMP_UNREACH_FILTER 13 995#endif 996#ifndef ICMP_UNREACH_HOST_PRECEDENCE 997# define ICMP_UNREACH_HOST_PRECEDENCE 14 998#endif 999#ifndef ICMP_UNREACH_PRECEDENCE_CUTOFF 1000# define ICMP_UNREACH_PRECEDENCE_CUTOFF 15 1001#endif 1002#ifndef ICMP_SOURCEQUENCH 1003# define ICMP_SOURCEQUENCH 4 1004#endif 1005#ifndef ICMP_REDIRECT_NET 1006# define ICMP_REDIRECT_NET 0 1007#endif 1008#ifndef ICMP_REDIRECT_HOST 1009# define ICMP_REDIRECT_HOST 1 1010#endif 1011#ifndef ICMP_REDIRECT_TOSNET 1012# define ICMP_REDIRECT_TOSNET 2 1013#endif 1014#ifndef ICMP_REDIRECT_TOSHOST 1015# define ICMP_REDIRECT_TOSHOST 3 1016#endif 1017#ifndef ICMP_ALTHOSTADDR 1018# define ICMP_ALTHOSTADDR 6 1019#endif 1020#ifndef ICMP_TIMXCEED 1021# define ICMP_TIMXCEED 11 1022#endif 1023#ifndef ICMP_TIMXCEED_INTRANS 1024# define ICMP_TIMXCEED_INTRANS 0 1025#endif 1026#ifndef ICMP_TIMXCEED_REASS 1027# define ICMP_TIMXCEED_REASS 1 1028#endif 1029#ifndef ICMP_PARAMPROB 1030# define ICMP_PARAMPROB 12 1031#endif 1032#ifndef ICMP_PARAMPROB_ERRATPTR 1033# define ICMP_PARAMPROB_ERRATPTR 0 1034#endif 1035#ifndef ICMP_PARAMPROB_OPTABSENT 1036# define ICMP_PARAMPROB_OPTABSENT 1 1037#endif 1038#ifndef ICMP_PARAMPROB_LENGTH 1039# define ICMP_PARAMPROB_LENGTH 2 1040#endif 1041#ifndef ICMP_TSTAMP 1042# define ICMP_TSTAMP 13 1043#endif 1044#ifndef ICMP_TSTAMPREPLY 1045# define ICMP_TSTAMPREPLY 14 1046#endif 1047#ifndef ICMP_IREQ 1048# define ICMP_IREQ 15 1049#endif 1050#ifndef ICMP_IREQREPLY 1051# define ICMP_IREQREPLY 16 1052#endif 1053#ifndef ICMP_MASKREQ 1054# define ICMP_MASKREQ 17 1055#endif 1056#ifndef ICMP_MASKREPLY 1057# define ICMP_MASKREPLY 18 1058#endif 1059#ifndef ICMP_TRACEROUTE 1060# define ICMP_TRACEROUTE 30 1061#endif 1062#ifndef ICMP_DATACONVERR 1063# define ICMP_DATACONVERR 31 1064#endif 1065#ifndef ICMP_MOBILE_REDIRECT 1066# define ICMP_MOBILE_REDIRECT 32 1067#endif 1068#ifndef ICMP_IPV6_WHEREAREYOU 1069# define ICMP_IPV6_WHEREAREYOU 33 1070#endif 1071#ifndef ICMP_IPV6_IAMHERE 1072# define ICMP_IPV6_IAMHERE 34 1073#endif 1074#ifndef ICMP_MOBILE_REGREQUEST 1075# define ICMP_MOBILE_REGREQUEST 35 1076#endif 1077#ifndef ICMP_MOBILE_REGREPLY 1078# define ICMP_MOBILE_REGREPLY 36 1079#endif 1080#ifndef ICMP_SKIP 1081# define ICMP_SKIP 39 1082#endif 1083#ifndef ICMP_PHOTURIS 1084# define ICMP_PHOTURIS 40 1085#endif 1086#ifndef ICMP_PHOTURIS_UNKNOWN_INDEX 1087# define ICMP_PHOTURIS_UNKNOWN_INDEX 1 1088#endif 1089#ifndef ICMP_PHOTURIS_AUTH_FAILED 1090# define ICMP_PHOTURIS_AUTH_FAILED 2 1091#endif 1092#ifndef ICMP_PHOTURIS_DECRYPT_FAILED 1093# define ICMP_PHOTURIS_DECRYPT_FAILED 3 1094#endif 1095#ifndef IPVERSION 1096# define IPVERSION 4 1097#endif 1098#ifndef IPOPT_MINOFF 1099# define IPOPT_MINOFF 4 1100#endif 1101#ifndef IPOPT_COPIED 1102# define IPOPT_COPIED(x) ((x)&0x80) 1103#endif 1104#ifndef IPOPT_EOL 1105# define IPOPT_EOL 0 1106#endif 1107#ifndef IPOPT_NOP 1108# define IPOPT_NOP 1 1109#endif 1110#ifndef IP_MF 1111# define IP_MF ((u_short)0x2000) 1112#endif 1113#ifndef ETHERTYPE_IP 1114# define ETHERTYPE_IP ((u_short)0x0800) 1115#endif 1116#ifndef TH_FIN 1117# define TH_FIN 0x01 1118#endif 1119#ifndef TH_SYN 1120# define TH_SYN 0x02 1121#endif 1122#ifndef TH_RST 1123# define TH_RST 0x04 1124#endif 1125#ifndef TH_PUSH 1126# define TH_PUSH 0x08 1127#endif 1128#ifndef TH_ACK 1129# define TH_ACK 0x10 1130#endif 1131#ifndef TH_URG 1132# define TH_URG 0x20 1133#endif 1134#undef TH_ACKMASK 1135#define TH_ACKMASK (TH_FIN|TH_SYN|TH_RST|TH_ACK) 1136 1137#ifndef IPOPT_EOL 1138# define IPOPT_EOL 0 1139#endif 1140#ifndef IPOPT_NOP 1141# define IPOPT_NOP 1 1142#endif 1143#ifndef IPOPT_RR 1144# define IPOPT_RR 7 1145#endif 1146#ifndef IPOPT_TS 1147# define IPOPT_TS 68 1148#endif 1149#ifndef IPOPT_SECURITY 1150# define IPOPT_SECURITY 130 1151#endif 1152#ifndef IPOPT_LSRR 1153# define IPOPT_LSRR 131 1154#endif 1155#ifndef IPOPT_SATID 1156# define IPOPT_SATID 136 1157#endif 1158#ifndef IPOPT_SSRR 1159# define IPOPT_SSRR 137 1160#endif 1161#ifndef IPOPT_SECUR_UNCLASS 1162# define IPOPT_SECUR_UNCLASS ((u_short)0x0000) 1163#endif 1164#ifndef IPOPT_SECUR_CONFID 1165# define IPOPT_SECUR_CONFID ((u_short)0xf135) 1166#endif 1167#ifndef IPOPT_SECUR_EFTO 1168# define IPOPT_SECUR_EFTO ((u_short)0x789a) 1169#endif 1170#ifndef IPOPT_SECUR_MMMM 1171# define IPOPT_SECUR_MMMM ((u_short)0xbc4d) 1172#endif 1173#ifndef IPOPT_SECUR_RESTR 1174# define IPOPT_SECUR_RESTR ((u_short)0xaf13) 1175#endif 1176#ifndef IPOPT_SECUR_SECRET 1177# define IPOPT_SECUR_SECRET ((u_short)0xd788) 1178#endif 1179#ifndef IPOPT_SECUR_TOPSECRET 1180# define IPOPT_SECUR_TOPSECRET ((u_short)0x6bc5) 1181#endif 1182#ifndef IPOPT_OLEN 1183# define IPOPT_OLEN 1 1184#endif 1185#ifndef IPPROTO_HOPOPTS 1186# define IPPROTO_HOPOPTS 0 1187#endif 1188#ifndef IPPROTO_IPIP 1189# define IPPROTO_IPIP 4 1190#endif 1191#ifndef IPPROTO_ENCAP 1192# define IPPROTO_ENCAP 98 1193#endif 1194#ifndef IPPROTO_IPV6 1195# define IPPROTO_IPV6 41 1196#endif 1197#ifndef IPPROTO_ROUTING 1198# define IPPROTO_ROUTING 43 1199#endif 1200#ifndef IPPROTO_FRAGMENT 1201# define IPPROTO_FRAGMENT 44 1202#endif 1203#ifndef IPPROTO_GRE 1204# define IPPROTO_GRE 47 /* GRE encaps RFC 1701 */ 1205#endif 1206#ifndef IPPROTO_ESP 1207# define IPPROTO_ESP 50 1208#endif 1209#ifndef IPPROTO_AH 1210# define IPPROTO_AH 51 1211#endif 1212#ifndef IPPROTO_ICMPV6 1213# define IPPROTO_ICMPV6 58 1214#endif 1215#ifndef IPPROTO_NONE 1216# define IPPROTO_NONE 59 1217#endif 1218#ifndef IPPROTO_DSTOPTS 1219# define IPPROTO_DSTOPTS 60 1220#endif 1221#ifndef IPPROTO_MOBILITY 1222# define IPPROTO_MOBILITY 135 1223#endif 1224 1225#ifndef ICMP_ROUTERADVERT 1226# define ICMP_ROUTERADVERT 9 1227#endif 1228#ifndef ICMP_ROUTERSOLICIT 1229# define ICMP_ROUTERSOLICIT 10 1230#endif 1231#ifndef ICMP6_DST_UNREACH 1232# define ICMP6_DST_UNREACH 1 1233#endif 1234#ifndef ICMP6_PACKET_TOO_BIG 1235# define ICMP6_PACKET_TOO_BIG 2 1236#endif 1237#ifndef ICMP6_TIME_EXCEEDED 1238# define ICMP6_TIME_EXCEEDED 3 1239#endif 1240#ifndef ICMP6_PARAM_PROB 1241# define ICMP6_PARAM_PROB 4 1242#endif 1243 1244#ifndef ICMP6_ECHO_REQUEST 1245# define ICMP6_ECHO_REQUEST 128 1246#endif 1247#ifndef ICMP6_ECHO_REPLY 1248# define ICMP6_ECHO_REPLY 129 1249#endif 1250#ifndef ICMP6_MEMBERSHIP_QUERY 1251# define ICMP6_MEMBERSHIP_QUERY 130 1252#endif 1253#ifndef MLD6_LISTENER_QUERY 1254# define MLD6_LISTENER_QUERY 130 1255#endif 1256#ifndef ICMP6_MEMBERSHIP_REPORT 1257# define ICMP6_MEMBERSHIP_REPORT 131 1258#endif 1259#ifndef MLD6_LISTENER_REPORT 1260# define MLD6_LISTENER_REPORT 131 1261#endif 1262#ifndef ICMP6_MEMBERSHIP_REDUCTION 1263# define ICMP6_MEMBERSHIP_REDUCTION 132 1264#endif 1265#ifndef MLD6_LISTENER_DONE 1266# define MLD6_LISTENER_DONE 132 1267#endif 1268#ifndef ND_ROUTER_SOLICIT 1269# define ND_ROUTER_SOLICIT 133 1270#endif 1271#ifndef ND_ROUTER_ADVERT 1272# define ND_ROUTER_ADVERT 134 1273#endif 1274#ifndef ND_NEIGHBOR_SOLICIT 1275# define ND_NEIGHBOR_SOLICIT 135 1276#endif 1277#ifndef ND_NEIGHBOR_ADVERT 1278# define ND_NEIGHBOR_ADVERT 136 1279#endif 1280#ifndef ND_REDIRECT 1281# define ND_REDIRECT 137 1282#endif 1283#ifndef ICMP6_ROUTER_RENUMBERING 1284# define ICMP6_ROUTER_RENUMBERING 138 1285#endif 1286#ifndef ICMP6_WRUREQUEST 1287# define ICMP6_WRUREQUEST 139 1288#endif 1289#ifndef ICMP6_WRUREPLY 1290# define ICMP6_WRUREPLY 140 1291#endif 1292#ifndef ICMP6_FQDN_QUERY 1293# define ICMP6_FQDN_QUERY 139 1294#endif 1295#ifndef ICMP6_FQDN_REPLY 1296# define ICMP6_FQDN_REPLY 140 1297#endif 1298#ifndef ICMP6_NI_QUERY 1299# define ICMP6_NI_QUERY 139 1300#endif 1301#ifndef ICMP6_NI_REPLY 1302# define ICMP6_NI_REPLY 140 1303#endif 1304#ifndef MLD6_MTRACE_RESP 1305# define MLD6_MTRACE_RESP 200 1306#endif 1307#ifndef MLD6_MTRACE 1308# define MLD6_MTRACE 201 1309#endif 1310#ifndef ICMP6_HADISCOV_REQUEST 1311# define ICMP6_HADISCOV_REQUEST 202 1312#endif 1313#ifndef ICMP6_HADISCOV_REPLY 1314# define ICMP6_HADISCOV_REPLY 203 1315#endif 1316#ifndef ICMP6_MOBILEPREFIX_SOLICIT 1317# define ICMP6_MOBILEPREFIX_SOLICIT 204 1318#endif 1319#ifndef ICMP6_MOBILEPREFIX_ADVERT 1320# define ICMP6_MOBILEPREFIX_ADVERT 205 1321#endif 1322#ifndef ICMP6_MAXTYPE 1323# define ICMP6_MAXTYPE 205 1324#endif 1325 1326#ifndef ICMP6_DST_UNREACH_NOROUTE 1327# define ICMP6_DST_UNREACH_NOROUTE 0 1328#endif 1329#ifndef ICMP6_DST_UNREACH_ADMIN 1330# define ICMP6_DST_UNREACH_ADMIN 1 1331#endif 1332#ifndef ICMP6_DST_UNREACH_NOTNEIGHBOR 1333# define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 1334#endif 1335#ifndef ICMP6_DST_UNREACH_BEYONDSCOPE 1336# define ICMP6_DST_UNREACH_BEYONDSCOPE 2 1337#endif 1338#ifndef ICMP6_DST_UNREACH_ADDR 1339# define ICMP6_DST_UNREACH_ADDR 3 1340#endif 1341#ifndef ICMP6_DST_UNREACH_NOPORT 1342# define ICMP6_DST_UNREACH_NOPORT 4 1343#endif 1344#ifndef ICMP6_TIME_EXCEED_TRANSIT 1345# define ICMP6_TIME_EXCEED_TRANSIT 0 1346#endif 1347#ifndef ICMP6_TIME_EXCEED_REASSEMBLY 1348# define ICMP6_TIME_EXCEED_REASSEMBLY 1 1349#endif 1350 1351#ifndef ICMP6_NI_SUCCESS 1352# define ICMP6_NI_SUCCESS 0 1353#endif 1354#ifndef ICMP6_NI_REFUSED 1355# define ICMP6_NI_REFUSED 1 1356#endif 1357#ifndef ICMP6_NI_UNKNOWN 1358# define ICMP6_NI_UNKNOWN 2 1359#endif 1360 1361#ifndef ICMP6_ROUTER_RENUMBERING_COMMAND 1362# define ICMP6_ROUTER_RENUMBERING_COMMAND 0 1363#endif 1364#ifndef ICMP6_ROUTER_RENUMBERING_RESULT 1365# define ICMP6_ROUTER_RENUMBERING_RESULT 1 1366#endif 1367#ifndef ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 1368# define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 1369#endif 1370 1371#ifndef ICMP6_PARAMPROB_HEADER 1372# define ICMP6_PARAMPROB_HEADER 0 1373#endif 1374#ifndef ICMP6_PARAMPROB_NEXTHEADER 1375# define ICMP6_PARAMPROB_NEXTHEADER 1 1376#endif 1377#ifndef ICMP6_PARAMPROB_OPTION 1378# define ICMP6_PARAMPROB_OPTION 2 1379#endif 1380 1381#ifndef ICMP6_NI_SUBJ_IPV6 1382# define ICMP6_NI_SUBJ_IPV6 0 1383#endif 1384#ifndef ICMP6_NI_SUBJ_FQDN 1385# define ICMP6_NI_SUBJ_FQDN 1 1386#endif 1387#ifndef ICMP6_NI_SUBJ_IPV4 1388# define ICMP6_NI_SUBJ_IPV4 2 1389#endif 1390 1391#ifndef MLD_MTRACE_RESP 1392# define MLD_MTRACE_RESP 200 1393#endif 1394#ifndef MLD_MTRACE 1395# define MLD_MTRACE 201 1396#endif 1397#ifndef MLD6_MTRACE_RESP 1398# define MLD6_MTRACE_RESP MLD_MTRACE_RESP 1399#endif 1400#ifndef MLD6_MTRACE 1401# define MLD6_MTRACE MLD_MTRACE 1402#endif 1403 1404#if !defined(IPV6_FLOWINFO_MASK) 1405# if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN) 1406# define IPV6_FLOWINFO_MASK 0x0fffffff /* flow info (28 bits) */ 1407# else 1408# if(BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1409# define IPV6_FLOWINFO_MASK 0xffffff0f /* flow info (28 bits) */ 1410# endif /* LITTLE_ENDIAN */ 1411# endif 1412#endif 1413#if !defined(IPV6_FLOWLABEL_MASK) 1414# if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN) 1415# define IPV6_FLOWLABEL_MASK 0x000fffff /* flow label (20 bits) */ 1416# else 1417# if (BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1418# define IPV6_FLOWLABEL_MASK 0xffff0f00 /* flow label (20 bits) */ 1419# endif /* LITTLE_ENDIAN */ 1420# endif 1421#endif 1422 1423/* 1424 * ECN is a new addition to TCP - RFC 2481 1425 */ 1426#ifndef TH_ECN 1427# define TH_ECN 0x40 1428#endif 1429#ifndef TH_CWR 1430# define TH_CWR 0x80 1431#endif 1432#define TH_ECNALL (TH_ECN|TH_CWR) 1433 1434/* 1435 * TCP States 1436 */ 1437#define IPF_TCPS_LISTEN 0 /* listening for connection */ 1438#define IPF_TCPS_SYN_SENT 1 /* active, have sent syn */ 1439#define IPF_TCPS_SYN_RECEIVED 2 /* have send and received syn */ 1440#define IPF_TCPS_HALF_ESTAB 3 /* for connections not fully "up" */ 1441/* states < IPF_TCPS_ESTABLISHED are those where connections not established */ 1442#define IPF_TCPS_ESTABLISHED 4 /* established */ 1443#define IPF_TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */ 1444/* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */ 1445#define IPF_TCPS_FIN_WAIT_1 6 /* have closed, sent fin */ 1446#define IPF_TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */ 1447#define IPF_TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */ 1448/* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */ 1449#define IPF_TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */ 1450#define IPF_TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */ 1451#define IPF_TCPS_CLOSED 11 /* closed */ 1452#define IPF_TCP_NSTATES 12 1453 1454#define TCP_MSL 120 1455 1456#undef ICMP_MAX_UNREACH 1457#define ICMP_MAX_UNREACH 14 1458#undef ICMP_MAXTYPE 1459#define ICMP_MAXTYPE 18 1460 1461#ifndef IFNAMSIZ 1462#define IFNAMSIZ 16 1463#endif 1464 1465#ifndef LOG_FTP 1466# define LOG_FTP (11<<3) 1467#endif 1468#ifndef LOG_AUTHPRIV 1469# define LOG_AUTHPRIV (10<<3) 1470#endif 1471#ifndef LOG_AUDIT 1472# define LOG_AUDIT (13<<3) 1473#endif 1474#ifndef LOG_NTP 1475# define LOG_NTP (12<<3) 1476#endif 1477#ifndef LOG_SECURITY 1478# define LOG_SECURITY (13<<3) 1479#endif 1480#ifndef LOG_LFMT 1481# define LOG_LFMT (14<<3) 1482#endif 1483#ifndef LOG_CONSOLE 1484# define LOG_CONSOLE (14<<3) 1485#endif 1486 1487/* 1488 * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data, 1489 * another IP header and then 64 bits of data, totalling 56. Of course, 1490 * the last 64 bits is dependent on that being available. 1491 */ 1492#define ICMPERR_ICMPHLEN 8 1493#define ICMPERR_IPICMPHLEN (20 + 8) 1494#define ICMPERR_MINPKTLEN (20 + 8 + 20) 1495#define ICMPERR_MAXPKTLEN (20 + 8 + 20 + 8) 1496#define ICMP6ERR_MINPKTLEN (40 + 8) 1497#define ICMP6ERR_IPICMPHLEN (40 + 8 + 40) 1498 1499#ifndef MIN 1500# define MIN(a,b) (((a)<(b))?(a):(b)) 1501#endif 1502 1503#ifdef RESCUE 1504# undef IPFILTER_BPF 1505#endif 1506 1507#ifdef IPF_DEBUG 1508# define DPRINT(x) printf x 1509#else 1510# define DPRINT(x) 1511#endif 1512 1513#ifndef AF_INET6 1514# define AF_INET6 26 1515#endif 1516 1517#ifdef DTRACE_PROBE 1518# ifdef _KERNEL 1519# define DT(_n) DTRACE_PROBE(_n) 1520# define DT1(_n,_a,_b) DTRACE_PROBE1(_n,_a,_b) 1521# define DT2(_n,_a,_b,_c,_d) DTRACE_PROBE2(_n,_a,_b,_c,_d) 1522# define DT3(_n,_a,_b,_c,_d,_e,_f) \ 1523 DTRACE_PROBE3(_n,_a,_b,_c,_d,_e,_f) 1524# define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) \ 1525 DTRACE_PROBE4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1526# else 1527# define DT(_n) 1528# define DT1(_n,_a,_b) 1529# define DT2(_n,_a,_b,_c,_d) 1530# define DT3(_n,_a,_b,_c,_d,_e,_f) 1531# define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1532# endif 1533#else 1534# define DT(_n) 1535# define DT1(_n,_a,_b) 1536# define DT2(_n,_a,_b,_c,_d) 1537# define DT3(_n,_a,_b,_c,_d,_e,_f) 1538# define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1539#endif 1540 1541struct ip6_routing { 1542 u_char ip6r_nxt; /* next header */ 1543 u_char ip6r_len; /* length in units of 8 octets */ 1544 u_char ip6r_type; /* always zero */ 1545 u_char ip6r_segleft; /* segments left */ 1546 u_32_t ip6r_reserved; /* reserved field */ 1547}; 1548 1549#endif /* __IP_COMPAT_H__ */ 1550