1/* 2 * Copyright (C) 2012 by Darren Reed. 3 * 4 * See the IPFILTER.LICENCE file for details on licencing. 5 * 6 * @(#)ip_compat.h 1.8 1/14/96 7 * $FreeBSD: stable/10/sys/contrib/ipfilter/netinet/ip_compat.h 342607 2018-12-30 04:37:49Z cy $ 8 * Id: ip_compat.h,v 2.142.2.57 2007/10/10 09:51:42 darrenr Exp $ 9 */ 10 11#ifndef __IP_COMPAT_H__ 12#define __IP_COMPAT_H__ 13 14#ifndef __P 15# ifdef __STDC__ 16# define __P(x) x 17# else 18# define __P(x) () 19# endif 20#endif 21#ifndef __STDC__ 22# undef const 23# define const 24#endif 25 26#if defined(_KERNEL) || defined(KERNEL) || defined(__KERNEL__) 27# undef KERNEL 28# undef _KERNEL 29# undef __KERNEL__ 30# define KERNEL 31# define _KERNEL 32# define __KERNEL__ 33#endif 34 35#ifndef SOLARIS 36# if defined(sun) && (defined(__svr4__) || defined(__SVR4)) 37# define SOLARIS 1 38# else 39# define SOLARIS 0 40# endif 41#endif 42 43 44#if defined(__SVR4) || defined(__svr4__) || defined(__sgi) 45# define index strchr 46# if !defined(_KERNEL) 47# define bzero(a,b) memset(a,0,b) 48# define bcmp memcmp 49# define bcopy(a,b,c) memmove(b,a,c) 50# endif 51#endif 52 53#ifndef LIFNAMSIZ 54# ifdef IF_NAMESIZE 55# define LIFNAMSIZ IF_NAMESIZE 56# else 57# ifdef IFNAMSIZ 58# define LIFNAMSIZ IFNAMSIZ 59# else 60# define LIFNAMSIZ 16 61# endif 62# endif 63#endif 64 65#if defined(__sgi) || defined(bsdi) || defined(__hpux) || defined(hpux) 66struct ether_addr { 67 u_char ether_addr_octet[6]; 68}; 69#endif 70 71# ifdef __STDC__ 72# define IPL_EXTERN(ep) ipl##ep 73# else 74# define IPL_EXTERN(ep) ipl/**/ep 75# endif 76 77/* 78 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD. 79 */ 80# ifndef _KERNEL 81# define ADD_KERNEL 82# define _KERNEL 83# define KERNEL 84# endif 85# include <sys/uio.h> 86# ifdef ADD_KERNEL 87# undef _KERNEL 88# undef KERNEL 89# endif 90 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))) 115 116 117/* ----------------------------------------------------------------------- */ 118/* F R E E B S D */ 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) 125# define USE_INET6 126# endif 127# else 128# if !defined(USE_INET6) && !defined(NOINET6) 129# define USE_INET6 130# endif 131# endif 132 133# if defined(_KERNEL) 134# include <netinet/ip_var.h> 135# define p_cred td_ucred 136# define p_uid td_ucred->cr_ruid 137 138/* 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. 141 */ 142# define HAVE_M_PULLDOWN 143# if !defined(IPFILTER_LKM) && (__FreeBSD_version >= 300000) 144# include "opt_ipfilter.h" 145# endif 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)) 148 149# else 150# include <inttypes.h> 151# endif /* _KERNEL */ 152 153# 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 160# ifdef _KERNEL 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); \ 170 else \ 171 rw_runlock(&(x)->ipf_lk); \ 172 } while (0) 173# endif 174 175# include <net/if_var.h> 176# define IFNAME(x) ((struct ifnet *)x)->if_xname 177# define COPYIFNAME(v, x, b) \ 178 (void) strncpy(b, \ 179 ((struct ifnet *)x)->if_xname, \ 180 LIFNAMSIZ) 181 182# ifdef _KERNEL 183# define GETKTIME(x) microtime((struct timeval *)x) 184 185# include <netinet/in_systm.h> 186# include <netinet/ip.h> 187# include <machine/in_cksum.h> 188 189# define USE_MUTEXES 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,\ 193 MTX_DEF) 194# define MUTEX_DESTROY(x) mtx_destroy(&(x)->ipf_lk) 195# define MUTEX_NUKE(x) bzero((x), sizeof(*(x))) 196/* 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. 200 */ 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) 212# define SPL_X(x) ; 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"); } 223typedef struct mbuf mb_t; 224# endif /* _KERNEL */ 225 226 227typedef u_long ioctlcmd_t; 228typedef struct uio uio_t; 229typedef int minor_t; 230typedef u_int32_t u_32_t; 231# define U_32_T 1 232 233 234/* ----------------------------------------------------------------------- */ 235/* G E N E R I C */ 236/* ----------------------------------------------------------------------- */ 237 238/* 239 * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in 240 * filter rules. 241 */ 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 246# endif 247#endif 248 249/* 250 * Userland locking primitives 251 */ 252#ifndef _KERNEL 253#if !defined(KMUTEX_FILL_SZ) 254# define KMUTEX_FILL_SZ 1 255#endif 256#if !defined(KRWLOCK_FILL_SZ) 257# define KRWLOCK_FILL_SZ 1 258#endif 259#endif 260 261typedef struct { 262 char *eMm_owner; 263 char *eMm_heldin; 264 u_int eMm_magic; 265 int eMm_held; 266 int eMm_heldat; 267} eMmutex_t; 268 269typedef struct { 270 char *eMrw_owner; 271 char *eMrw_heldin; 272 u_int eMrw_magic; 273 short eMrw_read; 274 short eMrw_write; 275 int eMrw_heldat; 276} eMrwlock_t; 277 278typedef union { 279 char _fill[KMUTEX_FILL_SZ]; 280#ifdef KMUTEX_T 281 struct { 282 KMUTEX_T ipf_slk; 283 const char *ipf_lname; 284 } ipf_lkun_s; 285#endif 286 eMmutex_t ipf_emu; 287} ipfmutex_t; 288 289typedef union { 290 char _fill[KRWLOCK_FILL_SZ]; 291#ifdef KRWLOCK_T 292 struct { 293 KRWLOCK_T ipf_slk; 294 const char *ipf_lname; 295 int ipf_sr; 296 int ipf_sw; 297 u_int ipf_magic; 298 } ipf_lkun_s; 299#endif 300 eMrwlock_t ipf_emu; 301} ipfrwlock_t; 302 303#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 308 309#if !defined(__GNUC__) || \ 310 (defined(__FreeBSD_version) && (__FreeBSD_version >= 503000)) 311# ifndef INLINE 312# define INLINE 313# endif 314#else 315# define INLINE __inline__ 316#endif 317 318#if defined(__FreeBSD_version) && defined(_KERNEL) 319 CTASSERT(sizeof(ipfrwlock_t) == KRWLOCK_FILL_SZ); 320 CTASSERT(sizeof(ipfmutex_t) == KMUTEX_FILL_SZ); 321#endif 322 323 324/* 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. 328 */ 329#ifndef _KERNEL 330typedef struct mb_s { 331 struct mb_s *mb_next; 332 char *mb_data; 333 void *mb_ifp; 334 int mb_len; 335 int mb_flags; 336 u_long mb_buf[2048]; 337} mb_t; 338# undef m_next 339# define m_next mb_next 340# undef m_len 341# define m_len mb_len 342# undef m_flags 343# define m_flags mb_flags 344# undef m_data 345# define m_data mb_data 346# undef M_MCAST 347# define M_MCAST 0x01 348# undef M_BCAST 349# define M_BCAST 0x02 350# undef M_MBCAST 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); \ 364 (f)->fin_m = (m); \ 365 } while (0) 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) ; 374# define SPL_X(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), \ 385 (b), (l)) 386# define COPYBACK(m, o, l, b) bcopy((b), \ 387 MTOD((mb_t *)m, char *) + (o), \ 388 (l)) 389# define UIOMOVE(a,b,c,d) ipfuiomove((caddr_t)a,b,c,d) 390extern void m_copydata __P((mb_t *, int, int, caddr_t)); 391extern int ipfuiomove __P((caddr_t, int, int, struct uio *)); 392extern int bcopywrap __P((void *, void *, size_t)); 393extern mb_t *allocmbt __P((size_t)); 394extern mb_t *dupmbt __P((mb_t *)); 395extern void freembt __P((mb_t *)); 396 397# define MUTEX_DESTROY(x) eMmutex_destroy(&(x)->ipf_emu, \ 398 __FILE__, __LINE__) 399# define MUTEX_ENTER(x) eMmutex_enter(&(x)->ipf_emu, \ 400 __FILE__, __LINE__) 401# define MUTEX_EXIT(x) eMmutex_exit(&(x)->ipf_emu, \ 402 __FILE__, __LINE__) 403# define MUTEX_INIT(x,y) eMmutex_init(&(x)->ipf_emu, y, \ 404 __FILE__, __LINE__) 405# define MUTEX_NUKE(x) bzero((x), sizeof(*(x))) 406 407# define MUTEX_DOWNGRADE(x) eMrwlock_downgrade(&(x)->ipf_emu, \ 408 __FILE__, __LINE__) 409# define MUTEX_TRY_UPGRADE(x) eMrwlock_try_upgrade(&(x)->ipf_emu, \ 410 __FILE__, __LINE__) 411# define READ_ENTER(x) eMrwlock_read_enter(&(x)->ipf_emu, \ 412 __FILE__, __LINE__) 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, \ 417 __FILE__, \ 418 __LINE__) 419 420# define USE_MUTEXES 1 421 422extern void eMmutex_destroy __P((eMmutex_t *, char *, int)); 423extern void eMmutex_enter __P((eMmutex_t *, char *, int)); 424extern void eMmutex_exit __P((eMmutex_t *, char *, int)); 425extern void eMmutex_init __P((eMmutex_t *, char *, char *, int)); 426extern void eMrwlock_destroy __P((eMrwlock_t *)); 427extern void eMrwlock_exit __P((eMrwlock_t *)); 428extern void eMrwlock_init __P((eMrwlock_t *, char *)); 429extern void eMrwlock_read_enter __P((eMrwlock_t *, char *, int)); 430extern void eMrwlock_write_enter __P((eMrwlock_t *, char *, int)); 431extern void eMrwlock_downgrade __P((eMrwlock_t *, char *, int)); 432 433#endif 434 435extern mb_t *allocmbt(size_t); 436 437#define MAX_IPV4HDR ((0xf << 2) + sizeof(struct icmp) + sizeof(ip_t) + 8) 438 439#ifndef IP_OFFMASK 440# define IP_OFFMASK 0x1fff 441#endif 442 443 444/* 445 * On BSD's use quad_t as a guarantee for getting at least a 64bit sized 446 * object. 447 */ 448#if !defined(__amd64__) && BSD_GT_YEAR(199306) 449# define USE_QUAD_T 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 455# define QUAD_T long 456# endif 457#endif /* BSD > 199306 */ 458 459 460#ifdef USE_INET6 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> 467# endif 468typedef struct ip6_hdr ip6_t; 469# endif 470#endif 471 472#ifndef MAX 473# define MAX(a,b) (((a) > (b)) ? (a) : (b)) 474#endif 475 476#if defined(_KERNEL) 477# if defined(MENTAT) && !defined(INSTANCES) 478# define COPYDATA mb_copydata 479# define COPYBACK mb_copyback 480# else 481# define COPYDATA m_copydata 482# define COPYBACK m_copyback 483# endif 484# if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \ 485 defined(__FreeBSD__) || (defined(OpenBSD) && (OpenBSD < 200206)) || \ 486 defined(_BSDI_VERSION) 487# include <vm/vm.h> 488# endif 489# if !defined(__FreeBSD__) || FREEBSD_GE_REV(300000) 490# if NETBSD_GE_REV(105180000) || OPENBSD_GE_REV(200111) 491# include <uvm/uvm_extern.h> 492# else 493# include <vm/vm_extern.h> 494extern vm_map_t kmem_map; 495# endif 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) */ 500 501# ifdef IPFILTER_M_IPFILTER 502# include <sys/malloc.h> 503MALLOC_DECLARE(M_IPFILTER); 504# define _M_IPF M_IPFILTER 505# else /* IPFILTER_M_IPFILTER */ 506# ifdef M_PFIL 507# define _M_IPF M_PFIL 508# else 509# ifdef M_IPFILTER 510# define _M_IPF M_IPFILTER 511# else 512# define _M_IPF M_TEMP 513# endif /* M_IPFILTER */ 514# endif /* M_PFIL */ 515# endif /* IPFILTER_M_IPFILTER */ 516# if !defined(KMALLOC) 517# define KMALLOC(a, b) MALLOC((a), b, sizeof(*(a)), _M_IPF, M_NOWAIT) 518# endif 519# if !defined(KMALLOCS) 520# define KMALLOCS(a, b, c) MALLOC((a), b, (c), _M_IPF, M_NOWAIT) 521# endif 522# if !defined(KFREE) 523# define KFREE(x) FREE((x), _M_IPF) 524# endif 525# if !defined(KFREES) 526# define KFREES(x,s) FREE((x), _M_IPF) 527# endif 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) 533# endif 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 537 538# 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() 543# endif 544# define SPL_X(x) (void) splx(x) 545# endif /* !USE_MUTEXES */ 546 547# ifndef FREE_MB_T 548# define FREE_MB_T(m) m_freem(m) 549# endif 550# ifndef ALLOC_MB_T 551# ifdef MGETHDR 552# define ALLOC_MB_T(m,l) do { \ 553 MGETHDR((m), M_DONTWAIT, MT_HEADER); \ 554 if ((m) != NULL) { \ 555 (m)->m_len = (l); \ 556 (m)->m_pkthdr.len = (l); \ 557 } \ 558 } while (0) 559# else 560# define ALLOC_MB_T(m,l) do { \ 561 MGET((m), M_DONTWAIT, MT_HEADER); \ 562 if ((m) != NULL) { \ 563 (m)->m_len = (l); \ 564 (m)->m_pkthdr.len = (l); \ 565 } \ 566 } while (0) 567# endif 568# endif 569# ifndef PREP_MB_T 570# define PREP_MB_T(f, m) do { \ 571 mb_t *_o = *(f)->fin_mp; \ 572 (m)->m_next = _o; \ 573 *(fin)->fin_mp = (m); \ 574 if (_o->m_flags & M_PKTHDR) { \ 575 (m)->m_pkthdr.len += \ 576 _o->m_pkthdr.len; \ 577 (m)->m_pkthdr.rcvif = \ 578 _o->m_pkthdr.rcvif; \ 579 } \ 580 } while (0) 581# endif 582# ifndef M_DUP 583# ifdef M_COPYALL 584# define M_DUP(m) m_dup(m, 0, M_COPYALL, 0) 585# else 586# define M_DUP(m) m_dup(m) 587# endif 588# endif 589 590# ifndef MTOD 591# define MTOD(m,t) mtod(m,t) 592# endif 593 594# ifndef COPYIN 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) 597# endif 598 599# ifndef KMALLOC 600# define KMALLOC(a,b) (a) = (b)new_kmem_alloc(sizeof(*(a)), \ 601 KMEM_NOSLEEP) 602# define KMALLOCS(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP) 603# endif 604 605# ifndef GET_MINOR 606# define GET_MINOR(x) dev2unit(x) 607# endif 608# define PANIC(x,y) if (x) panic y 609#endif /* _KERNEL */ 610 611#if !defined(IFNAME) && !defined(_KERNEL) 612# define IFNAME(x) get_ifname((struct ifnet *)x) 613#endif 614#ifndef COPYIFNAME 615# define NEED_FRGETIFNAME 616extern char *ipf_getifname __P((struct ifnet *, char *)); 617# define COPYIFNAME(v, x, b) \ 618 ipf_getifname((struct ifnet *)x, b) 619#endif 620 621#ifndef ASSERT 622# ifdef _KERNEL 623# define ASSERT(x) 624# else 625# define ASSERT(x) do { if (!(x)) abort(); } while (0) 626# endif 627#endif 628 629#ifndef BCOPYIN 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) 632#endif 633 634/* 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. 637 */ 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)) 647 648/* 649 * If mutexes aren't being used, turn all the mutex functions into null-ops. 650 */ 651#if !defined(USE_MUTEXES) 652# define USE_SPL 1 653# undef RW_DESTROY 654# undef MUTEX_INIT 655# undef MUTEX_NUKE 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 */ 670#ifndef ATOMIC_INC 671# define ATOMIC_INC(x) (x)++ 672# define ATOMIC_DEC(x) (x)-- 673#endif 674 675#if defined(USE_SPL) && defined(_KERNEL) 676# define SPL_INT(x) int x 677#else 678# define SPL_INT(x) 679#endif 680 681/* 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. 684 */ 685#ifndef ATOMIC_INCL 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 692#endif 693 694#ifndef HDR_T_PRIVATE 695typedef struct tcphdr tcphdr_t; 696typedef struct udphdr udphdr_t; 697#endif 698typedef struct icmp icmphdr_t; 699typedef struct ip ip_t; 700typedef struct ether_header ether_header_t; 701typedef struct tcpiphdr tcpiphdr_t; 702 703#ifndef FR_GROUPLEN 704# define FR_GROUPLEN 16 705#endif 706 707#ifndef offsetof 708# define offsetof(t,m) (size_t)((&((t *)0L)->m)) 709#endif 710#ifndef stsizeof 711# define stsizeof(t,m) sizeof(((t *)0L)->m) 712#endif 713 714/* 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 717 * bit fields. 718 */ 719#ifndef IP_V 720# define IP_V(x) (x)->ip_v 721#endif 722#ifndef IP_V_A 723# define IP_V_A(x,y) (x)->ip_v = (y) 724#endif 725#ifndef IP_HL 726# define IP_HL(x) (x)->ip_hl 727#endif 728#ifndef IP_HL_A 729# define IP_HL_A(x,y) (x)->ip_hl = ((y) & 0xf) 730#endif 731#ifndef TCP_X2 732# define TCP_X2(x) (x)->th_x2 733#endif 734#ifndef TCP_X2_A 735# define TCP_X2_A(x,y) (x)->th_x2 = (y) 736#endif 737#ifndef TCP_OFF 738# define TCP_OFF(x) (x)->th_off 739#endif 740#ifndef TCP_OFF_A 741# define TCP_OFF_A(x,y) (x)->th_off = (y) 742#endif 743#define IPMINLEN(i, h) ((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h))) 744 745#define TCPF_ALL (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\ 746 TH_ECN|TH_CWR) 747 748#if BSD_GE_YEAR(199306) && !defined(m_act) 749# define m_act m_nextpkt 750#endif 751 752/* 753 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108. 754 * 755 * Basic Option 756 * 757 * 00000001 - (Reserved 4) 758 * 00111101 - Top Secret 759 * 01011010 - Secret 760 * 10010110 - Confidential 761 * 01100110 - (Reserved 3) 762 * 11001100 - (Reserved 2) 763 * 10101011 - Unclassified 764 * 11110001 - (Reserved 1) 765 */ 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 774 775#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 782 783/* 784 * IP option #defines 785 */ 786#undef IPOPT_RR 787#define IPOPT_RR 7 788#undef IPOPT_ZSU 789#define IPOPT_ZSU 10 /* ZSU */ 790#undef IPOPT_MTUP 791#define IPOPT_MTUP 11 /* MTUP */ 792#undef IPOPT_MTUR 793#define IPOPT_MTUR 12 /* MTUR */ 794#undef IPOPT_ENCODE 795#define IPOPT_ENCODE 15 /* ENCODE */ 796#undef IPOPT_TS 797#define IPOPT_TS 68 798#undef IPOPT_TR 799#define IPOPT_TR 82 /* TR */ 800#undef IPOPT_SECURITY 801#define IPOPT_SECURITY 130 802#undef IPOPT_LSRR 803#define IPOPT_LSRR 131 804#undef IPOPT_E_SEC 805#define IPOPT_E_SEC 133 /* E-SEC */ 806#undef IPOPT_CIPSO 807#define IPOPT_CIPSO 134 /* CIPSO */ 808#undef IPOPT_SATID 809#define IPOPT_SATID 136 810#ifndef IPOPT_SID 811# define IPOPT_SID IPOPT_SATID 812#endif 813#undef IPOPT_SSRR 814#define IPOPT_SSRR 137 815#undef IPOPT_ADDEXT 816#define IPOPT_ADDEXT 147 /* ADDEXT */ 817#undef IPOPT_VISA 818#define IPOPT_VISA 142 /* VISA */ 819#undef IPOPT_IMITD 820#define IPOPT_IMITD 144 /* IMITD */ 821#undef IPOPT_EIP 822#define IPOPT_EIP 145 /* EIP */ 823#undef IPOPT_RTRALRT 824#define IPOPT_RTRALRT 148 /* RTRALRT */ 825#undef IPOPT_SDB 826#define IPOPT_SDB 149 827#undef IPOPT_NSAPA 828#define IPOPT_NSAPA 150 829#undef IPOPT_DPS 830#define IPOPT_DPS 151 831#undef IPOPT_UMP 832#define IPOPT_UMP 152 833#undef IPOPT_FINN 834#define IPOPT_FINN 205 /* FINN */ 835#undef IPOPT_AH 836#define IPOPT_AH 256+IPPROTO_AH 837 838#ifndef TCPOPT_EOL 839# define TCPOPT_EOL 0 840#endif 841#ifndef TCPOPT_NOP 842# define TCPOPT_NOP 1 843#endif 844#ifndef TCPOPT_MAXSEG 845# define TCPOPT_MAXSEG 2 846#endif 847#ifndef TCPOLEN_MAXSEG 848# define TCPOLEN_MAXSEG 4 849#endif 850#ifndef TCPOPT_WINDOW 851# define TCPOPT_WINDOW 3 852#endif 853#ifndef TCPOLEN_WINDOW 854# define TCPOLEN_WINDOW 3 855#endif 856#ifndef TCPOPT_SACK_PERMITTED 857# define TCPOPT_SACK_PERMITTED 4 858#endif 859#ifndef TCPOLEN_SACK_PERMITTED 860# define TCPOLEN_SACK_PERMITTED 2 861#endif 862#ifndef TCPOPT_SACK 863# define TCPOPT_SACK 5 864#endif 865#ifndef TCPOPT_TIMESTAMP 866# define TCPOPT_TIMESTAMP 8 867#endif 868 869#ifndef ICMP_MINLEN 870# define ICMP_MINLEN 8 871#endif 872#ifndef ICMP_ECHOREPLY 873# define ICMP_ECHOREPLY 0 874#endif 875#ifndef ICMP_UNREACH 876# define ICMP_UNREACH 3 877#endif 878#ifndef ICMP_UNREACH_NET 879# define ICMP_UNREACH_NET 0 880#endif 881#ifndef ICMP_UNREACH_HOST 882# define ICMP_UNREACH_HOST 1 883#endif 884#ifndef ICMP_UNREACH_PROTOCOL 885# define ICMP_UNREACH_PROTOCOL 2 886#endif 887#ifndef ICMP_UNREACH_PORT 888# define ICMP_UNREACH_PORT 3 889#endif 890#ifndef ICMP_UNREACH_NEEDFRAG 891# define ICMP_UNREACH_NEEDFRAG 4 892#endif 893#ifndef ICMP_UNREACH_SRCFAIL 894# define ICMP_UNREACH_SRCFAIL 5 895#endif 896#ifndef ICMP_UNREACH_NET_UNKNOWN 897# define ICMP_UNREACH_NET_UNKNOWN 6 898#endif 899#ifndef ICMP_UNREACH_HOST_UNKNOWN 900# define ICMP_UNREACH_HOST_UNKNOWN 7 901#endif 902#ifndef ICMP_UNREACH_ISOLATED 903# define ICMP_UNREACH_ISOLATED 8 904#endif 905#ifndef ICMP_UNREACH_NET_PROHIB 906# define ICMP_UNREACH_NET_PROHIB 9 907#endif 908#ifndef ICMP_UNREACH_HOST_PROHIB 909# define ICMP_UNREACH_HOST_PROHIB 10 910#endif 911#ifndef ICMP_UNREACH_TOSNET 912# define ICMP_UNREACH_TOSNET 11 913#endif 914#ifndef ICMP_UNREACH_TOSHOST 915# define ICMP_UNREACH_TOSHOST 12 916#endif 917#ifndef ICMP_UNREACH_ADMIN_PROHIBIT 918# define ICMP_UNREACH_ADMIN_PROHIBIT 13 919#endif 920#ifndef ICMP_UNREACH_FILTER 921# define ICMP_UNREACH_FILTER 13 922#endif 923#ifndef ICMP_UNREACH_HOST_PRECEDENCE 924# define ICMP_UNREACH_HOST_PRECEDENCE 14 925#endif 926#ifndef ICMP_UNREACH_PRECEDENCE_CUTOFF 927# define ICMP_UNREACH_PRECEDENCE_CUTOFF 15 928#endif 929#ifndef ICMP_SOURCEQUENCH 930# define ICMP_SOURCEQUENCH 4 931#endif 932#ifndef ICMP_REDIRECT_NET 933# define ICMP_REDIRECT_NET 0 934#endif 935#ifndef ICMP_REDIRECT_HOST 936# define ICMP_REDIRECT_HOST 1 937#endif 938#ifndef ICMP_REDIRECT_TOSNET 939# define ICMP_REDIRECT_TOSNET 2 940#endif 941#ifndef ICMP_REDIRECT_TOSHOST 942# define ICMP_REDIRECT_TOSHOST 3 943#endif 944#ifndef ICMP_ALTHOSTADDR 945# define ICMP_ALTHOSTADDR 6 946#endif 947#ifndef ICMP_TIMXCEED 948# define ICMP_TIMXCEED 11 949#endif 950#ifndef ICMP_TIMXCEED_INTRANS 951# define ICMP_TIMXCEED_INTRANS 0 952#endif 953#ifndef ICMP_TIMXCEED_REASS 954# define ICMP_TIMXCEED_REASS 1 955#endif 956#ifndef ICMP_PARAMPROB 957# define ICMP_PARAMPROB 12 958#endif 959#ifndef ICMP_PARAMPROB_ERRATPTR 960# define ICMP_PARAMPROB_ERRATPTR 0 961#endif 962#ifndef ICMP_PARAMPROB_OPTABSENT 963# define ICMP_PARAMPROB_OPTABSENT 1 964#endif 965#ifndef ICMP_PARAMPROB_LENGTH 966# define ICMP_PARAMPROB_LENGTH 2 967#endif 968#ifndef ICMP_TSTAMP 969# define ICMP_TSTAMP 13 970#endif 971#ifndef ICMP_TSTAMPREPLY 972# define ICMP_TSTAMPREPLY 14 973#endif 974#ifndef ICMP_IREQ 975# define ICMP_IREQ 15 976#endif 977#ifndef ICMP_IREQREPLY 978# define ICMP_IREQREPLY 16 979#endif 980#ifndef ICMP_MASKREQ 981# define ICMP_MASKREQ 17 982#endif 983#ifndef ICMP_MASKREPLY 984# define ICMP_MASKREPLY 18 985#endif 986#ifndef ICMP_TRACEROUTE 987# define ICMP_TRACEROUTE 30 988#endif 989#ifndef ICMP_DATACONVERR 990# define ICMP_DATACONVERR 31 991#endif 992#ifndef ICMP_MOBILE_REDIRECT 993# define ICMP_MOBILE_REDIRECT 32 994#endif 995#ifndef ICMP_IPV6_WHEREAREYOU 996# define ICMP_IPV6_WHEREAREYOU 33 997#endif 998#ifndef ICMP_IPV6_IAMHERE 999# define ICMP_IPV6_IAMHERE 34 1000#endif 1001#ifndef ICMP_MOBILE_REGREQUEST 1002# define ICMP_MOBILE_REGREQUEST 35 1003#endif 1004#ifndef ICMP_MOBILE_REGREPLY 1005# define ICMP_MOBILE_REGREPLY 36 1006#endif 1007#ifndef ICMP_SKIP 1008# define ICMP_SKIP 39 1009#endif 1010#ifndef ICMP_PHOTURIS 1011# define ICMP_PHOTURIS 40 1012#endif 1013#ifndef ICMP_PHOTURIS_UNKNOWN_INDEX 1014# define ICMP_PHOTURIS_UNKNOWN_INDEX 1 1015#endif 1016#ifndef ICMP_PHOTURIS_AUTH_FAILED 1017# define ICMP_PHOTURIS_AUTH_FAILED 2 1018#endif 1019#ifndef ICMP_PHOTURIS_DECRYPT_FAILED 1020# define ICMP_PHOTURIS_DECRYPT_FAILED 3 1021#endif 1022#ifndef IPVERSION 1023# define IPVERSION 4 1024#endif 1025#ifndef IPOPT_MINOFF 1026# define IPOPT_MINOFF 4 1027#endif 1028#ifndef IPOPT_COPIED 1029# define IPOPT_COPIED(x) ((x)&0x80) 1030#endif 1031#ifndef IPOPT_EOL 1032# define IPOPT_EOL 0 1033#endif 1034#ifndef IPOPT_NOP 1035# define IPOPT_NOP 1 1036#endif 1037#ifndef IP_MF 1038# define IP_MF ((u_short)0x2000) 1039#endif 1040#ifndef ETHERTYPE_IP 1041# define ETHERTYPE_IP ((u_short)0x0800) 1042#endif 1043#ifndef TH_FIN 1044# define TH_FIN 0x01 1045#endif 1046#ifndef TH_SYN 1047# define TH_SYN 0x02 1048#endif 1049#ifndef TH_RST 1050# define TH_RST 0x04 1051#endif 1052#ifndef TH_PUSH 1053# define TH_PUSH 0x08 1054#endif 1055#ifndef TH_ACK 1056# define TH_ACK 0x10 1057#endif 1058#ifndef TH_URG 1059# define TH_URG 0x20 1060#endif 1061#undef TH_ACKMASK 1062#define TH_ACKMASK (TH_FIN|TH_SYN|TH_RST|TH_ACK) 1063 1064#ifndef IPOPT_EOL 1065# define IPOPT_EOL 0 1066#endif 1067#ifndef IPOPT_NOP 1068# define IPOPT_NOP 1 1069#endif 1070#ifndef IPOPT_RR 1071# define IPOPT_RR 7 1072#endif 1073#ifndef IPOPT_TS 1074# define IPOPT_TS 68 1075#endif 1076#ifndef IPOPT_SECURITY 1077# define IPOPT_SECURITY 130 1078#endif 1079#ifndef IPOPT_LSRR 1080# define IPOPT_LSRR 131 1081#endif 1082#ifndef IPOPT_SATID 1083# define IPOPT_SATID 136 1084#endif 1085#ifndef IPOPT_SSRR 1086# define IPOPT_SSRR 137 1087#endif 1088#ifndef IPOPT_SECUR_UNCLASS 1089# define IPOPT_SECUR_UNCLASS ((u_short)0x0000) 1090#endif 1091#ifndef IPOPT_SECUR_CONFID 1092# define IPOPT_SECUR_CONFID ((u_short)0xf135) 1093#endif 1094#ifndef IPOPT_SECUR_EFTO 1095# define IPOPT_SECUR_EFTO ((u_short)0x789a) 1096#endif 1097#ifndef IPOPT_SECUR_MMMM 1098# define IPOPT_SECUR_MMMM ((u_short)0xbc4d) 1099#endif 1100#ifndef IPOPT_SECUR_RESTR 1101# define IPOPT_SECUR_RESTR ((u_short)0xaf13) 1102#endif 1103#ifndef IPOPT_SECUR_SECRET 1104# define IPOPT_SECUR_SECRET ((u_short)0xd788) 1105#endif 1106#ifndef IPOPT_SECUR_TOPSECRET 1107# define IPOPT_SECUR_TOPSECRET ((u_short)0x6bc5) 1108#endif 1109#ifndef IPOPT_OLEN 1110# define IPOPT_OLEN 1 1111#endif 1112#ifndef IPPROTO_HOPOPTS 1113# define IPPROTO_HOPOPTS 0 1114#endif 1115#ifndef IPPROTO_IPIP 1116# define IPPROTO_IPIP 4 1117#endif 1118#ifndef IPPROTO_ENCAP 1119# define IPPROTO_ENCAP 98 1120#endif 1121#ifndef IPPROTO_IPV6 1122# define IPPROTO_IPV6 41 1123#endif 1124#ifndef IPPROTO_ROUTING 1125# define IPPROTO_ROUTING 43 1126#endif 1127#ifndef IPPROTO_FRAGMENT 1128# define IPPROTO_FRAGMENT 44 1129#endif 1130#ifndef IPPROTO_GRE 1131# define IPPROTO_GRE 47 /* GRE encaps RFC 1701 */ 1132#endif 1133#ifndef IPPROTO_ESP 1134# define IPPROTO_ESP 50 1135#endif 1136#ifndef IPPROTO_AH 1137# define IPPROTO_AH 51 1138#endif 1139#ifndef IPPROTO_ICMPV6 1140# define IPPROTO_ICMPV6 58 1141#endif 1142#ifndef IPPROTO_NONE 1143# define IPPROTO_NONE 59 1144#endif 1145#ifndef IPPROTO_DSTOPTS 1146# define IPPROTO_DSTOPTS 60 1147#endif 1148#ifndef IPPROTO_MOBILITY 1149# define IPPROTO_MOBILITY 135 1150#endif 1151 1152#ifndef ICMP_ROUTERADVERT 1153# define ICMP_ROUTERADVERT 9 1154#endif 1155#ifndef ICMP_ROUTERSOLICIT 1156# define ICMP_ROUTERSOLICIT 10 1157#endif 1158#ifndef ICMP6_DST_UNREACH 1159# define ICMP6_DST_UNREACH 1 1160#endif 1161#ifndef ICMP6_PACKET_TOO_BIG 1162# define ICMP6_PACKET_TOO_BIG 2 1163#endif 1164#ifndef ICMP6_TIME_EXCEEDED 1165# define ICMP6_TIME_EXCEEDED 3 1166#endif 1167#ifndef ICMP6_PARAM_PROB 1168# define ICMP6_PARAM_PROB 4 1169#endif 1170 1171#ifndef ICMP6_ECHO_REQUEST 1172# define ICMP6_ECHO_REQUEST 128 1173#endif 1174#ifndef ICMP6_ECHO_REPLY 1175# define ICMP6_ECHO_REPLY 129 1176#endif 1177#ifndef ICMP6_MEMBERSHIP_QUERY 1178# define ICMP6_MEMBERSHIP_QUERY 130 1179#endif 1180#ifndef MLD6_LISTENER_QUERY 1181# define MLD6_LISTENER_QUERY 130 1182#endif 1183#ifndef ICMP6_MEMBERSHIP_REPORT 1184# define ICMP6_MEMBERSHIP_REPORT 131 1185#endif 1186#ifndef MLD6_LISTENER_REPORT 1187# define MLD6_LISTENER_REPORT 131 1188#endif 1189#ifndef ICMP6_MEMBERSHIP_REDUCTION 1190# define ICMP6_MEMBERSHIP_REDUCTION 132 1191#endif 1192#ifndef MLD6_LISTENER_DONE 1193# define MLD6_LISTENER_DONE 132 1194#endif 1195#ifndef ND_ROUTER_SOLICIT 1196# define ND_ROUTER_SOLICIT 133 1197#endif 1198#ifndef ND_ROUTER_ADVERT 1199# define ND_ROUTER_ADVERT 134 1200#endif 1201#ifndef ND_NEIGHBOR_SOLICIT 1202# define ND_NEIGHBOR_SOLICIT 135 1203#endif 1204#ifndef ND_NEIGHBOR_ADVERT 1205# define ND_NEIGHBOR_ADVERT 136 1206#endif 1207#ifndef ND_REDIRECT 1208# define ND_REDIRECT 137 1209#endif 1210#ifndef ICMP6_ROUTER_RENUMBERING 1211# define ICMP6_ROUTER_RENUMBERING 138 1212#endif 1213#ifndef ICMP6_WRUREQUEST 1214# define ICMP6_WRUREQUEST 139 1215#endif 1216#ifndef ICMP6_WRUREPLY 1217# define ICMP6_WRUREPLY 140 1218#endif 1219#ifndef ICMP6_FQDN_QUERY 1220# define ICMP6_FQDN_QUERY 139 1221#endif 1222#ifndef ICMP6_FQDN_REPLY 1223# define ICMP6_FQDN_REPLY 140 1224#endif 1225#ifndef ICMP6_NI_QUERY 1226# define ICMP6_NI_QUERY 139 1227#endif 1228#ifndef ICMP6_NI_REPLY 1229# define ICMP6_NI_REPLY 140 1230#endif 1231#ifndef MLD6_MTRACE_RESP 1232# define MLD6_MTRACE_RESP 200 1233#endif 1234#ifndef MLD6_MTRACE 1235# define MLD6_MTRACE 201 1236#endif 1237#ifndef ICMP6_HADISCOV_REQUEST 1238# define ICMP6_HADISCOV_REQUEST 202 1239#endif 1240#ifndef ICMP6_HADISCOV_REPLY 1241# define ICMP6_HADISCOV_REPLY 203 1242#endif 1243#ifndef ICMP6_MOBILEPREFIX_SOLICIT 1244# define ICMP6_MOBILEPREFIX_SOLICIT 204 1245#endif 1246#ifndef ICMP6_MOBILEPREFIX_ADVERT 1247# define ICMP6_MOBILEPREFIX_ADVERT 205 1248#endif 1249#ifndef ICMP6_MAXTYPE 1250# define ICMP6_MAXTYPE 205 1251#endif 1252 1253#ifndef ICMP6_DST_UNREACH_NOROUTE 1254# define ICMP6_DST_UNREACH_NOROUTE 0 1255#endif 1256#ifndef ICMP6_DST_UNREACH_ADMIN 1257# define ICMP6_DST_UNREACH_ADMIN 1 1258#endif 1259#ifndef ICMP6_DST_UNREACH_NOTNEIGHBOR 1260# define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 1261#endif 1262#ifndef ICMP6_DST_UNREACH_BEYONDSCOPE 1263# define ICMP6_DST_UNREACH_BEYONDSCOPE 2 1264#endif 1265#ifndef ICMP6_DST_UNREACH_ADDR 1266# define ICMP6_DST_UNREACH_ADDR 3 1267#endif 1268#ifndef ICMP6_DST_UNREACH_NOPORT 1269# define ICMP6_DST_UNREACH_NOPORT 4 1270#endif 1271#ifndef ICMP6_TIME_EXCEED_TRANSIT 1272# define ICMP6_TIME_EXCEED_TRANSIT 0 1273#endif 1274#ifndef ICMP6_TIME_EXCEED_REASSEMBLY 1275# define ICMP6_TIME_EXCEED_REASSEMBLY 1 1276#endif 1277 1278#ifndef ICMP6_NI_SUCCESS 1279# define ICMP6_NI_SUCCESS 0 1280#endif 1281#ifndef ICMP6_NI_REFUSED 1282# define ICMP6_NI_REFUSED 1 1283#endif 1284#ifndef ICMP6_NI_UNKNOWN 1285# define ICMP6_NI_UNKNOWN 2 1286#endif 1287 1288#ifndef ICMP6_ROUTER_RENUMBERING_COMMAND 1289# define ICMP6_ROUTER_RENUMBERING_COMMAND 0 1290#endif 1291#ifndef ICMP6_ROUTER_RENUMBERING_RESULT 1292# define ICMP6_ROUTER_RENUMBERING_RESULT 1 1293#endif 1294#ifndef ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 1295# define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 1296#endif 1297 1298#ifndef ICMP6_PARAMPROB_HEADER 1299# define ICMP6_PARAMPROB_HEADER 0 1300#endif 1301#ifndef ICMP6_PARAMPROB_NEXTHEADER 1302# define ICMP6_PARAMPROB_NEXTHEADER 1 1303#endif 1304#ifndef ICMP6_PARAMPROB_OPTION 1305# define ICMP6_PARAMPROB_OPTION 2 1306#endif 1307 1308#ifndef ICMP6_NI_SUBJ_IPV6 1309# define ICMP6_NI_SUBJ_IPV6 0 1310#endif 1311#ifndef ICMP6_NI_SUBJ_FQDN 1312# define ICMP6_NI_SUBJ_FQDN 1 1313#endif 1314#ifndef ICMP6_NI_SUBJ_IPV4 1315# define ICMP6_NI_SUBJ_IPV4 2 1316#endif 1317 1318#ifndef MLD_MTRACE_RESP 1319# define MLD_MTRACE_RESP 200 1320#endif 1321#ifndef MLD_MTRACE 1322# define MLD_MTRACE 201 1323#endif 1324#ifndef MLD6_MTRACE_RESP 1325# define MLD6_MTRACE_RESP MLD_MTRACE_RESP 1326#endif 1327#ifndef MLD6_MTRACE 1328# define MLD6_MTRACE MLD_MTRACE 1329#endif 1330 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) */ 1334# else 1335# if(BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1336# define IPV6_FLOWINFO_MASK 0xffffff0f /* flow info (28 bits) */ 1337# endif /* LITTLE_ENDIAN */ 1338# endif 1339#endif 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) */ 1343# else 1344# if (BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1345# define IPV6_FLOWLABEL_MASK 0xffff0f00 /* flow label (20 bits) */ 1346# endif /* LITTLE_ENDIAN */ 1347# endif 1348#endif 1349 1350/* 1351 * ECN is a new addition to TCP - RFC 2481 1352 */ 1353#ifndef TH_ECN 1354# define TH_ECN 0x40 1355#endif 1356#ifndef TH_CWR 1357# define TH_CWR 0x80 1358#endif 1359#define TH_ECNALL (TH_ECN|TH_CWR) 1360 1361/* 1362 * TCP States 1363 */ 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 1380 1381#define TCP_MSL 120 1382 1383#undef ICMP_MAX_UNREACH 1384#define ICMP_MAX_UNREACH 14 1385#undef ICMP_MAXTYPE 1386#define ICMP_MAXTYPE 18 1387 1388#ifndef LOG_FTP 1389# define LOG_FTP (11<<3) 1390#endif 1391#ifndef LOG_AUTHPRIV 1392# define LOG_AUTHPRIV (10<<3) 1393#endif 1394#ifndef LOG_AUDIT 1395# define LOG_AUDIT (13<<3) 1396#endif 1397#ifndef LOG_NTP 1398# define LOG_NTP (12<<3) 1399#endif 1400#ifndef LOG_SECURITY 1401# define LOG_SECURITY (13<<3) 1402#endif 1403#ifndef LOG_LFMT 1404# define LOG_LFMT (14<<3) 1405#endif 1406#ifndef LOG_CONSOLE 1407# define LOG_CONSOLE (14<<3) 1408#endif 1409 1410/* 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. 1414 */ 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) 1421 1422#ifndef MIN 1423# define MIN(a,b) (((a)<(b))?(a):(b)) 1424#endif 1425 1426#ifdef RESCUE 1427# undef IPFILTER_BPF 1428#endif 1429 1430#ifdef IPF_DEBUG 1431# define DPRINT(x) printf x 1432#else 1433# define DPRINT(x) 1434#endif 1435 1436#ifdef DTRACE_PROBE 1437# ifdef _KERNEL 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) 1445# else 1446# define DT(_n) 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) 1451# endif 1452#else 1453# define DT(_n) 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) 1458#endif 1459 1460struct 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 */ 1466}; 1467 1468#endif /* __IP_COMPAT_H__ */ 1469