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 * $FreeBSD$ 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) 37 # define SOLARIS 1 38 # else 39 # define SOLARIS 0 40 # endif 41 #endif 42 43 44 #if defined(__SVR4) 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 66 # ifdef __STDC__ 67 # define IPL_EXTERN(ep) ipl##ep 68 # else 69 # define IPL_EXTERN(ep) ipl/**/ep 70 # endif 71 72 /* 73 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD. 74 */ 75 # ifndef _KERNEL 76 # define ADD_KERNEL 77 # define _KERNEL 78 # define KERNEL 79 # endif 80 # include <sys/uio.h> 81 # ifdef ADD_KERNEL 82 # undef _KERNEL 83 # undef KERNEL 84 # endif 85 86 #define NETBSD_GE_REV(x) (defined(__NetBSD_Version__) && \ 87 (__NetBSD_Version__ >= (x))) 88 #define NETBSD_GT_REV(x) (defined(__NetBSD_Version__) && \ 89 (__NetBSD_Version__ > (x))) 90 #define NETBSD_LT_REV(x) (defined(__NetBSD_Version__) && \ 91 (__NetBSD_Version__ < (x))) 92 #define FREEBSD_GE_REV(x) (defined(__FreeBSD_version) && \ 93 (__FreeBSD_version >= (x))) 94 #define FREEBSD_GT_REV(x) (defined(__FreeBSD_version) && \ 95 (__FreeBSD_version > (x))) 96 #define FREEBSD_LT_REV(x) (defined(__FreeBSD_version) && \ 97 (__FreeBSD_version < (x))) 98 #define BSD_GE_YEAR(x) (defined(BSD) && (BSD >= (x))) 99 #define BSD_GT_YEAR(x) (defined(BSD) && (BSD > (x))) 100 #define BSD_LT_YEAR(x) (defined(BSD) && (BSD < (x))) 101 102 103 /* ----------------------------------------------------------------------- */ 104 /* F R E E B S D */ 105 /* ----------------------------------------------------------------------- */ 106 # define HAS_SYS_MD5_H 1 107 # if defined(_KERNEL) 108 # include "opt_bpf.h" 109 # include "opt_inet6.h" 110 # if defined(INET6) && !defined(USE_INET6) 111 # define USE_INET6 112 # endif 113 # else 114 # if !defined(USE_INET6) && !defined(NOINET6) 115 # define USE_INET6 116 # endif 117 # endif 118 119 # if defined(_KERNEL) 120 # include <netinet/ip_var.h> 121 # define p_cred td_ucred 122 # define p_uid td_ucred->cr_ruid 123 124 /* 125 * When #define'd, the 5.2.1 kernel panics when used with the ftp proxy. 126 * There may be other, safe, kernels but this is not extensively tested yet. 127 */ 128 # define HAVE_M_PULLDOWN 129 # if !defined(IPFILTER_LKM) && (__FreeBSD_version >= 300000) 130 # include "opt_ipfilter.h" 131 # endif 132 # define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c)) 133 # define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c)) 134 135 # else 136 # include <inttypes.h> 137 # endif /* _KERNEL */ 138 139 # include <sys/selinfo.h> 140 # include <sys/lock.h> 141 # include <sys/malloc.h> 142 # include <sys/mutex.h> 143 # define KRWLOCK_FILL_SZ 56 144 # define KMUTEX_FILL_SZ 56 145 # include <sys/rwlock.h> 146 # define KMUTEX_T struct mtx 147 # define KRWLOCK_T struct rwlock 148 149 #ifdef _KERNEL 150 # define READ_ENTER(x) rw_rlock(&(x)->ipf_lk) 151 # define WRITE_ENTER(x) rw_wlock(&(x)->ipf_lk) 152 # define MUTEX_DOWNGRADE(x) rw_downgrade(&(x)->ipf_lk) 153 # define MUTEX_TRY_UPGRADE(x) rw_try_upgrade(&(x)->ipf_lk) 154 # define RWLOCK_INIT(x,y) rw_init(&(x)->ipf_lk, (y)) 155 # define RW_DESTROY(x) rw_destroy(&(x)->ipf_lk) 156 # define RWLOCK_EXIT(x) do { \ 157 if (rw_wowned(&(x)->ipf_lk)) \ 158 rw_wunlock(&(x)->ipf_lk); \ 159 else \ 160 rw_runlock(&(x)->ipf_lk); \ 161 } while (0) 162 # include <net/if_var.h> 163 # define GETKTIME(x) microtime((struct timeval *)x) 164 # define if_addrlist if_addrhead 165 166 # include <netinet/in_systm.h> 167 # include <netinet/ip.h> 168 # include <machine/in_cksum.h> 169 170 # define USE_MUTEXES 171 # define MUTEX_ENTER(x) mtx_lock(&(x)->ipf_lk) 172 # define MUTEX_EXIT(x) mtx_unlock(&(x)->ipf_lk) 173 # define MUTEX_INIT(x,y) mtx_init(&(x)->ipf_lk, (y), NULL,\ 174 MTX_DEF) 175 # define MUTEX_DESTROY(x) mtx_destroy(&(x)->ipf_lk) 176 # define MUTEX_NUKE(x) bzero((x), sizeof(*(x))) 177 /* 178 * Whilst the sx(9) locks on FreeBSD have the right semantics and interface 179 * for what we want to use them for, despite testing showing they work - 180 * with a WITNESS kernel, it generates LOR messages. 181 */ 182 # include <machine/atomic.h> 183 # define ATOMIC_INC(x) { mtx_lock(&softc->ipf_rw.ipf_lk); (x)++; \ 184 mtx_unlock(&softc->ipf_rw.ipf_lk); } 185 # define ATOMIC_DEC(x) { mtx_lock(&softc->ipf_rw.ipf_lk); (x)--; \ 186 mtx_unlock(&softc->ipf_rw.ipf_lk); } 187 # define ATOMIC_INCL(x) atomic_add_long(&(x), 1) 188 # define ATOMIC_INC64(x) ATOMIC_INC(x) 189 # define ATOMIC_INC32(x) atomic_add_32((u_int *)&(x), 1) 190 # define ATOMIC_DECL(x) atomic_add_long(&(x), -1) 191 # define ATOMIC_DEC64(x) ATOMIC_DEC(x) 192 # define ATOMIC_DEC32(x) atomic_add_32((u_int *)&(x), -1) 193 # define SPL_X(x) ; 194 # define SPL_NET(x) ; 195 # define SPL_IMP(x) ; 196 # define SPL_SCHED(x) ; 197 # define GET_MINOR dev2unit 198 # define MSGDSIZE(m) mbufchainlen(m) 199 # define M_LEN(m) (m)->m_len 200 # define M_ADJ(m,x) m_adj(m, x) 201 # define M_COPY(x) m_copym((x), 0, M_COPYALL, M_NOWAIT) 202 # define M_DUP(m) m_dup(m, M_NOWAIT) 203 # define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); } 204 typedef struct mbuf mb_t; 205 206 #else /* !_KERNEL */ 207 #ifndef _NET_IF_VAR_H_ 208 /* 209 * Userland emulation of struct ifnet. 210 */ 211 struct route; 212 struct mbuf; 213 struct ifnet { 214 char if_xname[IFNAMSIZ]; 215 STAILQ_HEAD(, ifaddr) if_addrlist; 216 int (*if_output)(struct ifnet *, struct mbuf *, 217 const struct sockaddr *, struct route *); 218 }; 219 #endif /* _NET_IF_VAR_H_ */ 220 #endif /* _KERNEL */ 221 222 # define IFNAME(x) ((struct ifnet *)x)->if_xname 223 # define COPYIFNAME(v, x, b) \ 224 (void) strncpy(b, \ 225 ((struct ifnet *)x)->if_xname, \ 226 LIFNAMSIZ) 227 228 typedef u_long ioctlcmd_t; 229 typedef struct uio uio_t; 230 typedef int minor_t; 231 typedef u_int32_t u_32_t; 232 # define U_32_T 1 233 234 235 /* ----------------------------------------------------------------------- */ 236 /* G E N E R I C */ 237 /* ----------------------------------------------------------------------- */ 238 239 /* 240 * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in 241 * filter rules. 242 */ 243 #if !defined(IPFILTER_BPF) 244 # if (defined(NBPF) && (NBPF > 0)) || (defined(DEV_BPF) && (DEV_BPF > 0)) || \ 245 (defined(NBPFILTER) && (NBPFILTER > 0)) 246 # define IPFILTER_BPF 247 # endif 248 #endif 249 250 /* 251 * Userland locking primitives 252 */ 253 #ifndef _KERNEL 254 #if !defined(KMUTEX_FILL_SZ) 255 # define KMUTEX_FILL_SZ 1 256 #endif 257 #if !defined(KRWLOCK_FILL_SZ) 258 # define KRWLOCK_FILL_SZ 1 259 #endif 260 #endif 261 262 typedef struct { 263 char *eMm_owner; 264 char *eMm_heldin; 265 u_int eMm_magic; 266 int eMm_held; 267 int eMm_heldat; 268 } eMmutex_t; 269 270 typedef struct { 271 char *eMrw_owner; 272 char *eMrw_heldin; 273 u_int eMrw_magic; 274 short eMrw_read; 275 short eMrw_write; 276 int eMrw_heldat; 277 } eMrwlock_t; 278 279 typedef union { 280 char _fill[KMUTEX_FILL_SZ]; 281 #ifdef KMUTEX_T 282 struct { 283 KMUTEX_T ipf_slk; 284 const char *ipf_lname; 285 } ipf_lkun_s; 286 #endif 287 eMmutex_t ipf_emu; 288 } ipfmutex_t; 289 290 typedef union { 291 char _fill[KRWLOCK_FILL_SZ]; 292 #ifdef KRWLOCK_T 293 struct { 294 KRWLOCK_T ipf_slk; 295 const char *ipf_lname; 296 int ipf_sr; 297 int ipf_sw; 298 u_int ipf_magic; 299 } ipf_lkun_s; 300 #endif 301 eMrwlock_t ipf_emu; 302 } ipfrwlock_t; 303 304 #define ipf_lk ipf_lkun_s.ipf_slk 305 #define ipf_lname ipf_lkun_s.ipf_lname 306 #define ipf_isr ipf_lkun_s.ipf_sr 307 #define ipf_isw ipf_lkun_s.ipf_sw 308 #define ipf_magic ipf_lkun_s.ipf_magic 309 310 #if !defined(__GNUC__) || defined(__FreeBSD_version) 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 330 typedef 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) 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 *)); 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 1 421 422 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)); 432 433 #endif 434 435 extern 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(__FreeBSD__) 462 # include <netinet/ip6.h> 463 # include <netinet/icmp6.h> 464 # if defined(_KERNEL) 465 # include <netinet6/ip6_var.h> 466 # endif 467 typedef struct ip6_hdr ip6_t; 468 # endif 469 #endif 470 471 #ifndef MAX 472 # define MAX(a,b) (((a) > (b)) ? (a) : (b)) 473 #endif 474 475 #if defined(_KERNEL) 476 # if defined(MENTAT) && !defined(INSTANCES) 477 # define COPYDATA mb_copydata 478 # define COPYBACK mb_copyback 479 # else 480 # define COPYDATA m_copydata 481 # define COPYBACK m_copyback 482 # endif 483 # if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \ 484 defined(__FreeBSD__) 485 # include <vm/vm.h> 486 # endif 487 # if NETBSD_GE_REV(105180000) 488 # include <uvm/uvm_extern.h> 489 # else 490 # include <vm/vm_extern.h> 491 extern vm_map_t kmem_map; 492 # endif 493 # include <sys/proc.h> 494 495 # ifdef IPFILTER_M_IPFILTER 496 # include <sys/malloc.h> 497 MALLOC_DECLARE(M_IPFILTER); 498 # define _M_IPF M_IPFILTER 499 # else /* IPFILTER_M_IPFILTER */ 500 # ifdef M_PFIL 501 # define _M_IPF M_PFIL 502 # else 503 # ifdef M_IPFILTER 504 # define _M_IPF M_IPFILTER 505 # else 506 # define _M_IPF M_TEMP 507 # endif /* M_IPFILTER */ 508 # endif /* M_PFIL */ 509 # endif /* IPFILTER_M_IPFILTER */ 510 # if !defined(KMALLOC) 511 # define KMALLOC(a, b) (a) = (b)malloc(sizeof(*(a)), _M_IPF, M_NOWAIT) 512 # endif 513 # if !defined(KMALLOCS) 514 # define KMALLOCS(a, b, c) (a) = (b)malloc((c), _M_IPF, M_NOWAIT) 515 # endif 516 # if !defined(KFREE) 517 # define KFREE(x) free((x), _M_IPF) 518 # endif 519 # if !defined(KFREES) 520 # define KFREES(x,s) free((x), _M_IPF) 521 # endif 522 # define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,d) 523 # define SLEEP(id, n) tsleep((id), PPAUSE|PCATCH, n, 0) 524 # define WAKEUP(id,x) wakeup(id+x) 525 # if !defined(POLLWAKEUP) 526 # define POLLWAKEUP(x) selwakeup(softc->ipf_selwait+x) 527 # endif 528 # define GETIFP(n, v) ifunit(n) 529 # define GETIFMTU_4(x) ((struct ifnet *)x)->if_mtu 530 # define GETIFMTU_6(x) ((struct ifnet *)x)->if_mtu 531 532 # if !defined(USE_MUTEXES) && !defined(SPL_NET) 533 # define SPL_IMP(x) x = splimp() 534 # define SPL_NET(x) x = splnet() 535 # if !defined(SPL_SCHED) 536 # define SPL_SCHED(x) x = splsched() 537 # endif 538 # define SPL_X(x) (void) splx(x) 539 # endif /* !USE_MUTEXES */ 540 541 # ifndef FREE_MB_T 542 # define FREE_MB_T(m) m_freem(m) 543 # endif 544 # ifndef ALLOC_MB_T 545 # ifdef MGETHDR 546 # define ALLOC_MB_T(m,l) do { \ 547 MGETHDR((m), M_NOWAIT, MT_HEADER); \ 548 if ((m) != NULL) { \ 549 (m)->m_len = (l); \ 550 (m)->m_pkthdr.len = (l); \ 551 } \ 552 } while (0) 553 # else 554 # define ALLOC_MB_T(m,l) do { \ 555 MGET((m), M_NOWAIT, MT_HEADER); \ 556 if ((m) != NULL) { \ 557 (m)->m_len = (l); \ 558 (m)->m_pkthdr.len = (l); \ 559 } \ 560 } while (0) 561 # endif 562 # endif 563 # ifndef PREP_MB_T 564 # define PREP_MB_T(f, m) do { \ 565 mb_t *_o = *(f)->fin_mp; \ 566 (m)->m_next = _o; \ 567 *(fin)->fin_mp = (m); \ 568 if (_o->m_flags & M_PKTHDR) { \ 569 (m)->m_pkthdr.len += \ 570 _o->m_pkthdr.len; \ 571 (m)->m_pkthdr.rcvif = \ 572 _o->m_pkthdr.rcvif; \ 573 } \ 574 } while (0) 575 # endif 576 # ifndef M_DUP 577 # ifdef M_COPYALL 578 # define M_DUP(m) m_dup(m, 0, M_COPYALL, 0) 579 # else 580 # define M_DUP(m) m_dup(m) 581 # endif 582 # endif 583 584 # ifndef MTOD 585 # define MTOD(m,t) mtod(m,t) 586 # endif 587 588 # ifndef COPYIN 589 # define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 590 # define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 591 # endif 592 593 # if SOLARIS && !defined(KMALLOC) 594 # define KMALLOC(a,b) (a) = (b)new_kmem_alloc(sizeof(*(a)), \ 595 KMEM_NOSLEEP) 596 # define KMALLOCS(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP) 597 # endif 598 599 # ifndef GET_MINOR 600 # define GET_MINOR(x) dev2unit(x) 601 # endif 602 # define PANIC(x,y) if (x) panic y 603 #endif /* _KERNEL */ 604 605 #if !defined(IFNAME) && !defined(_KERNEL) 606 # define IFNAME(x) get_ifname((struct ifnet *)x) 607 #endif 608 #ifndef COPYIFNAME 609 # define NEED_FRGETIFNAME 610 extern char *ipf_getifname __P((struct ifnet *, char *)); 611 # define COPYIFNAME(v, x, b) \ 612 ipf_getifname((struct ifnet *)x, b) 613 #endif 614 615 #ifndef ASSERT 616 # ifdef _KERNEL 617 # define ASSERT(x) 618 # else 619 # define ASSERT(x) do { if (!(x)) abort(); } while (0) 620 # endif 621 #endif 622 623 #ifndef BCOPYIN 624 # define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 625 # define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 626 #endif 627 628 /* 629 * Because the ctype(3) posix definition, if used "safely" in code everywhere, 630 * would mean all normal code that walks through strings needed casts. Yuck. 631 */ 632 #define ISALNUM(x) isalnum((u_char)(x)) 633 #define ISALPHA(x) isalpha((u_char)(x)) 634 #define ISDIGIT(x) isdigit((u_char)(x)) 635 #define ISSPACE(x) isspace((u_char)(x)) 636 #define ISUPPER(x) isupper((u_char)(x)) 637 #define ISXDIGIT(x) isxdigit((u_char)(x)) 638 #define ISLOWER(x) islower((u_char)(x)) 639 #define TOUPPER(x) toupper((u_char)(x)) 640 #define TOLOWER(x) tolower((u_char)(x)) 641 642 /* 643 * If mutexes aren't being used, turn all the mutex functions into null-ops. 644 */ 645 #if !defined(USE_MUTEXES) 646 # define USE_SPL 1 647 # undef RW_DESTROY 648 # undef MUTEX_INIT 649 # undef MUTEX_NUKE 650 # undef MUTEX_DESTROY 651 # define MUTEX_ENTER(x) ; 652 # define READ_ENTER(x) ; 653 # define WRITE_ENTER(x) ; 654 # define MUTEX_DOWNGRADE(x) ; 655 # define MUTEX_TRY_UPGRADE(x) ; 656 # define RWLOCK_INIT(x, y) ; 657 # define RWLOCK_EXIT(x) ; 658 # define RW_DESTROY(x) ; 659 # define MUTEX_EXIT(x) ; 660 # define MUTEX_INIT(x,y) ; 661 # define MUTEX_DESTROY(x) ; 662 # define MUTEX_NUKE(x) ; 663 #endif /* !USE_MUTEXES */ 664 #ifndef ATOMIC_INC 665 # define ATOMIC_INC(x) (x)++ 666 # define ATOMIC_DEC(x) (x)-- 667 #endif 668 669 #if defined(USE_SPL) && defined(_KERNEL) 670 # define SPL_INT(x) int x 671 #else 672 # define SPL_INT(x) 673 #endif 674 675 /* 676 * If there are no atomic operations for bit sizes defined, define them to all 677 * use a generic one that works for all sizes. 678 */ 679 #ifndef ATOMIC_INCL 680 # define ATOMIC_INCL ATOMIC_INC 681 # define ATOMIC_INC64 ATOMIC_INC 682 # define ATOMIC_INC32 ATOMIC_INC 683 # define ATOMIC_DECL ATOMIC_DEC 684 # define ATOMIC_DEC64 ATOMIC_DEC 685 # define ATOMIC_DEC32 ATOMIC_DEC 686 #endif 687 688 #ifndef HDR_T_PRIVATE 689 typedef struct tcphdr tcphdr_t; 690 typedef struct udphdr udphdr_t; 691 #endif 692 typedef struct icmp icmphdr_t; 693 typedef struct ip ip_t; 694 typedef struct ether_header ether_header_t; 695 typedef struct tcpiphdr tcpiphdr_t; 696 697 #ifndef FR_GROUPLEN 698 # define FR_GROUPLEN 16 699 #endif 700 701 #ifndef offsetof 702 # define offsetof(t,m) (size_t)((&((t *)0L)->m)) 703 #endif 704 #ifndef stsizeof 705 # define stsizeof(t,m) sizeof(((t *)0L)->m) 706 #endif 707 708 /* 709 * This set of macros has been brought about because on Tru64 it is not 710 * possible to easily assign or examine values in a structure that are 711 * bit fields. 712 */ 713 #ifndef IP_V 714 # define IP_V(x) (x)->ip_v 715 #endif 716 #ifndef IP_V_A 717 # define IP_V_A(x,y) (x)->ip_v = (y) 718 #endif 719 #ifndef IP_HL 720 # define IP_HL(x) (x)->ip_hl 721 #endif 722 #ifndef IP_HL_A 723 # define IP_HL_A(x,y) (x)->ip_hl = ((y) & 0xf) 724 #endif 725 #ifndef TCP_X2 726 # define TCP_X2(x) (x)->th_x2 727 #endif 728 #ifndef TCP_X2_A 729 # define TCP_X2_A(x,y) (x)->th_x2 = (y) 730 #endif 731 #ifndef TCP_OFF 732 # define TCP_OFF(x) (x)->th_off 733 #endif 734 #ifndef TCP_OFF_A 735 # define TCP_OFF_A(x,y) (x)->th_off = (y) 736 #endif 737 #define IPMINLEN(i, h) ((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h))) 738 739 #define TCPF_ALL (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\ 740 TH_ECN|TH_CWR) 741 742 #if BSD_GE_YEAR(199306) && !defined(m_act) 743 # define m_act m_nextpkt 744 #endif 745 746 /* 747 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108. 748 * 749 * Basic Option 750 * 751 * 00000001 - (Reserved 4) 752 * 00111101 - Top Secret 753 * 01011010 - Secret 754 * 10010110 - Confidential 755 * 01100110 - (Reserved 3) 756 * 11001100 - (Reserved 2) 757 * 10101011 - Unclassified 758 * 11110001 - (Reserved 1) 759 */ 760 #define IPSO_CLASS_RES4 0x01 761 #define IPSO_CLASS_TOPS 0x3d 762 #define IPSO_CLASS_SECR 0x5a 763 #define IPSO_CLASS_CONF 0x96 764 #define IPSO_CLASS_RES3 0x66 765 #define IPSO_CLASS_RES2 0xcc 766 #define IPSO_CLASS_UNCL 0xab 767 #define IPSO_CLASS_RES1 0xf1 768 769 #define IPSO_AUTH_GENSER 0x80 770 #define IPSO_AUTH_ESI 0x40 771 #define IPSO_AUTH_SCI 0x20 772 #define IPSO_AUTH_NSA 0x10 773 #define IPSO_AUTH_DOE 0x08 774 #define IPSO_AUTH_UN 0x06 775 #define IPSO_AUTH_FTE 0x01 776 777 /* 778 * IP option #defines 779 */ 780 #undef IPOPT_RR 781 #define IPOPT_RR 7 782 #undef IPOPT_ZSU 783 #define IPOPT_ZSU 10 /* ZSU */ 784 #undef IPOPT_MTUP 785 #define IPOPT_MTUP 11 /* MTUP */ 786 #undef IPOPT_MTUR 787 #define IPOPT_MTUR 12 /* MTUR */ 788 #undef IPOPT_ENCODE 789 #define IPOPT_ENCODE 15 /* ENCODE */ 790 #undef IPOPT_TS 791 #define IPOPT_TS 68 792 #undef IPOPT_TR 793 #define IPOPT_TR 82 /* TR */ 794 #undef IPOPT_SECURITY 795 #define IPOPT_SECURITY 130 796 #undef IPOPT_LSRR 797 #define IPOPT_LSRR 131 798 #undef IPOPT_E_SEC 799 #define IPOPT_E_SEC 133 /* E-SEC */ 800 #undef IPOPT_CIPSO 801 #define IPOPT_CIPSO 134 /* CIPSO */ 802 #undef IPOPT_SATID 803 #define IPOPT_SATID 136 804 #ifndef IPOPT_SID 805 # define IPOPT_SID IPOPT_SATID 806 #endif 807 #undef IPOPT_SSRR 808 #define IPOPT_SSRR 137 809 #undef IPOPT_ADDEXT 810 #define IPOPT_ADDEXT 147 /* ADDEXT */ 811 #undef IPOPT_VISA 812 #define IPOPT_VISA 142 /* VISA */ 813 #undef IPOPT_IMITD 814 #define IPOPT_IMITD 144 /* IMITD */ 815 #undef IPOPT_EIP 816 #define IPOPT_EIP 145 /* EIP */ 817 #undef IPOPT_RTRALRT 818 #define IPOPT_RTRALRT 148 /* RTRALRT */ 819 #undef IPOPT_SDB 820 #define IPOPT_SDB 149 821 #undef IPOPT_NSAPA 822 #define IPOPT_NSAPA 150 823 #undef IPOPT_DPS 824 #define IPOPT_DPS 151 825 #undef IPOPT_UMP 826 #define IPOPT_UMP 152 827 #undef IPOPT_FINN 828 #define IPOPT_FINN 205 /* FINN */ 829 #undef IPOPT_AH 830 #define IPOPT_AH 256+IPPROTO_AH 831 832 # define ICMP_UNREACH_ADMIN_PROHIBIT ICMP_UNREACH_FILTER_PROHIB 833 # define ICMP_UNREACH_FILTER ICMP_UNREACH_FILTER_PROHIB 834 835 #ifndef IPVERSION 836 # define IPVERSION 4 837 #endif 838 #ifndef IPOPT_MINOFF 839 # define IPOPT_MINOFF 4 840 #endif 841 #ifndef IPOPT_COPIED 842 # define IPOPT_COPIED(x) ((x)&0x80) 843 #endif 844 #ifndef IPOPT_EOL 845 # define IPOPT_EOL 0 846 #endif 847 #ifndef IPOPT_NOP 848 # define IPOPT_NOP 1 849 #endif 850 #ifndef IP_MF 851 # define IP_MF ((u_short)0x2000) 852 #endif 853 #ifndef ETHERTYPE_IP 854 # define ETHERTYPE_IP ((u_short)0x0800) 855 #endif 856 #ifndef TH_FIN 857 # define TH_FIN 0x01 858 #endif 859 #ifndef TH_SYN 860 # define TH_SYN 0x02 861 #endif 862 #ifndef TH_RST 863 # define TH_RST 0x04 864 #endif 865 #ifndef TH_PUSH 866 # define TH_PUSH 0x08 867 #endif 868 #ifndef TH_ACK 869 # define TH_ACK 0x10 870 #endif 871 #ifndef TH_URG 872 # define TH_URG 0x20 873 #endif 874 #undef TH_ACKMASK 875 #define TH_ACKMASK (TH_FIN|TH_SYN|TH_RST|TH_ACK) 876 877 #ifndef IPOPT_EOL 878 # define IPOPT_EOL 0 879 #endif 880 #ifndef IPOPT_NOP 881 # define IPOPT_NOP 1 882 #endif 883 #ifndef IPOPT_RR 884 # define IPOPT_RR 7 885 #endif 886 #ifndef IPOPT_TS 887 # define IPOPT_TS 68 888 #endif 889 #ifndef IPOPT_SECURITY 890 # define IPOPT_SECURITY 130 891 #endif 892 #ifndef IPOPT_LSRR 893 # define IPOPT_LSRR 131 894 #endif 895 #ifndef IPOPT_SATID 896 # define IPOPT_SATID 136 897 #endif 898 #ifndef IPOPT_SSRR 899 # define IPOPT_SSRR 137 900 #endif 901 #ifndef IPOPT_SECUR_UNCLASS 902 # define IPOPT_SECUR_UNCLASS ((u_short)0x0000) 903 #endif 904 #ifndef IPOPT_SECUR_CONFID 905 # define IPOPT_SECUR_CONFID ((u_short)0xf135) 906 #endif 907 #ifndef IPOPT_SECUR_EFTO 908 # define IPOPT_SECUR_EFTO ((u_short)0x789a) 909 #endif 910 #ifndef IPOPT_SECUR_MMMM 911 # define IPOPT_SECUR_MMMM ((u_short)0xbc4d) 912 #endif 913 #ifndef IPOPT_SECUR_RESTR 914 # define IPOPT_SECUR_RESTR ((u_short)0xaf13) 915 #endif 916 #ifndef IPOPT_SECUR_SECRET 917 # define IPOPT_SECUR_SECRET ((u_short)0xd788) 918 #endif 919 #ifndef IPOPT_SECUR_TOPSECRET 920 # define IPOPT_SECUR_TOPSECRET ((u_short)0x6bc5) 921 #endif 922 #ifndef IPOPT_OLEN 923 # define IPOPT_OLEN 1 924 #endif 925 #ifndef IPPROTO_HOPOPTS 926 # define IPPROTO_HOPOPTS 0 927 #endif 928 #ifndef IPPROTO_IPIP 929 # define IPPROTO_IPIP 4 930 #endif 931 #ifndef IPPROTO_ENCAP 932 # define IPPROTO_ENCAP 98 933 #endif 934 #ifndef IPPROTO_IPV6 935 # define IPPROTO_IPV6 41 936 #endif 937 #ifndef IPPROTO_ROUTING 938 # define IPPROTO_ROUTING 43 939 #endif 940 #ifndef IPPROTO_FRAGMENT 941 # define IPPROTO_FRAGMENT 44 942 #endif 943 #ifndef IPPROTO_GRE 944 # define IPPROTO_GRE 47 /* GRE encaps RFC 1701 */ 945 #endif 946 #ifndef IPPROTO_ESP 947 # define IPPROTO_ESP 50 948 #endif 949 #ifndef IPPROTO_AH 950 # define IPPROTO_AH 51 951 #endif 952 #ifndef IPPROTO_ICMPV6 953 # define IPPROTO_ICMPV6 58 954 #endif 955 #ifndef IPPROTO_NONE 956 # define IPPROTO_NONE 59 957 #endif 958 #ifndef IPPROTO_DSTOPTS 959 # define IPPROTO_DSTOPTS 60 960 #endif 961 #ifndef IPPROTO_MOBILITY 962 # define IPPROTO_MOBILITY 135 963 #endif 964 965 #ifndef ICMP_ROUTERADVERT 966 # define ICMP_ROUTERADVERT 9 967 #endif 968 #ifndef ICMP_ROUTERSOLICIT 969 # define ICMP_ROUTERSOLICIT 10 970 #endif 971 #ifndef ICMP6_DST_UNREACH 972 # define ICMP6_DST_UNREACH 1 973 #endif 974 #ifndef ICMP6_PACKET_TOO_BIG 975 # define ICMP6_PACKET_TOO_BIG 2 976 #endif 977 #ifndef ICMP6_TIME_EXCEEDED 978 # define ICMP6_TIME_EXCEEDED 3 979 #endif 980 #ifndef ICMP6_PARAM_PROB 981 # define ICMP6_PARAM_PROB 4 982 #endif 983 984 #ifndef ICMP6_ECHO_REQUEST 985 # define ICMP6_ECHO_REQUEST 128 986 #endif 987 #ifndef ICMP6_ECHO_REPLY 988 # define ICMP6_ECHO_REPLY 129 989 #endif 990 #ifndef ICMP6_MEMBERSHIP_QUERY 991 # define ICMP6_MEMBERSHIP_QUERY 130 992 #endif 993 #ifndef MLD6_LISTENER_QUERY 994 # define MLD6_LISTENER_QUERY 130 995 #endif 996 #ifndef ICMP6_MEMBERSHIP_REPORT 997 # define ICMP6_MEMBERSHIP_REPORT 131 998 #endif 999 #ifndef MLD6_LISTENER_REPORT 1000 # define MLD6_LISTENER_REPORT 131 1001 #endif 1002 #ifndef ICMP6_MEMBERSHIP_REDUCTION 1003 # define ICMP6_MEMBERSHIP_REDUCTION 132 1004 #endif 1005 #ifndef MLD6_LISTENER_DONE 1006 # define MLD6_LISTENER_DONE 132 1007 #endif 1008 #ifndef ND_ROUTER_SOLICIT 1009 # define ND_ROUTER_SOLICIT 133 1010 #endif 1011 #ifndef ND_ROUTER_ADVERT 1012 # define ND_ROUTER_ADVERT 134 1013 #endif 1014 #ifndef ND_NEIGHBOR_SOLICIT 1015 # define ND_NEIGHBOR_SOLICIT 135 1016 #endif 1017 #ifndef ND_NEIGHBOR_ADVERT 1018 # define ND_NEIGHBOR_ADVERT 136 1019 #endif 1020 #ifndef ND_REDIRECT 1021 # define ND_REDIRECT 137 1022 #endif 1023 #ifndef ICMP6_ROUTER_RENUMBERING 1024 # define ICMP6_ROUTER_RENUMBERING 138 1025 #endif 1026 #ifndef ICMP6_WRUREQUEST 1027 # define ICMP6_WRUREQUEST 139 1028 #endif 1029 #ifndef ICMP6_WRUREPLY 1030 # define ICMP6_WRUREPLY 140 1031 #endif 1032 #ifndef ICMP6_FQDN_QUERY 1033 # define ICMP6_FQDN_QUERY 139 1034 #endif 1035 #ifndef ICMP6_FQDN_REPLY 1036 # define ICMP6_FQDN_REPLY 140 1037 #endif 1038 #ifndef ICMP6_NI_QUERY 1039 # define ICMP6_NI_QUERY 139 1040 #endif 1041 #ifndef ICMP6_NI_REPLY 1042 # define ICMP6_NI_REPLY 140 1043 #endif 1044 #ifndef MLD6_MTRACE_RESP 1045 # define MLD6_MTRACE_RESP 200 1046 #endif 1047 #ifndef MLD6_MTRACE 1048 # define MLD6_MTRACE 201 1049 #endif 1050 #ifndef ICMP6_HADISCOV_REQUEST 1051 # define ICMP6_HADISCOV_REQUEST 202 1052 #endif 1053 #ifndef ICMP6_HADISCOV_REPLY 1054 # define ICMP6_HADISCOV_REPLY 203 1055 #endif 1056 #ifndef ICMP6_MOBILEPREFIX_SOLICIT 1057 # define ICMP6_MOBILEPREFIX_SOLICIT 204 1058 #endif 1059 #ifndef ICMP6_MOBILEPREFIX_ADVERT 1060 # define ICMP6_MOBILEPREFIX_ADVERT 205 1061 #endif 1062 #ifndef ICMP6_MAXTYPE 1063 # define ICMP6_MAXTYPE 205 1064 #endif 1065 1066 #ifndef ICMP6_DST_UNREACH_NOROUTE 1067 # define ICMP6_DST_UNREACH_NOROUTE 0 1068 #endif 1069 #ifndef ICMP6_DST_UNREACH_ADMIN 1070 # define ICMP6_DST_UNREACH_ADMIN 1 1071 #endif 1072 #ifndef ICMP6_DST_UNREACH_NOTNEIGHBOR 1073 # define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 1074 #endif 1075 #ifndef ICMP6_DST_UNREACH_BEYONDSCOPE 1076 # define ICMP6_DST_UNREACH_BEYONDSCOPE 2 1077 #endif 1078 #ifndef ICMP6_DST_UNREACH_ADDR 1079 # define ICMP6_DST_UNREACH_ADDR 3 1080 #endif 1081 #ifndef ICMP6_DST_UNREACH_NOPORT 1082 # define ICMP6_DST_UNREACH_NOPORT 4 1083 #endif 1084 #ifndef ICMP6_TIME_EXCEED_TRANSIT 1085 # define ICMP6_TIME_EXCEED_TRANSIT 0 1086 #endif 1087 #ifndef ICMP6_TIME_EXCEED_REASSEMBLY 1088 # define ICMP6_TIME_EXCEED_REASSEMBLY 1 1089 #endif 1090 1091 #ifndef ICMP6_NI_SUCCESS 1092 # define ICMP6_NI_SUCCESS 0 1093 #endif 1094 #ifndef ICMP6_NI_REFUSED 1095 # define ICMP6_NI_REFUSED 1 1096 #endif 1097 #ifndef ICMP6_NI_UNKNOWN 1098 # define ICMP6_NI_UNKNOWN 2 1099 #endif 1100 1101 #ifndef ICMP6_ROUTER_RENUMBERING_COMMAND 1102 # define ICMP6_ROUTER_RENUMBERING_COMMAND 0 1103 #endif 1104 #ifndef ICMP6_ROUTER_RENUMBERING_RESULT 1105 # define ICMP6_ROUTER_RENUMBERING_RESULT 1 1106 #endif 1107 #ifndef ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 1108 # define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 1109 #endif 1110 1111 #ifndef ICMP6_PARAMPROB_HEADER 1112 # define ICMP6_PARAMPROB_HEADER 0 1113 #endif 1114 #ifndef ICMP6_PARAMPROB_NEXTHEADER 1115 # define ICMP6_PARAMPROB_NEXTHEADER 1 1116 #endif 1117 #ifndef ICMP6_PARAMPROB_OPTION 1118 # define ICMP6_PARAMPROB_OPTION 2 1119 #endif 1120 1121 #ifndef ICMP6_NI_SUBJ_IPV6 1122 # define ICMP6_NI_SUBJ_IPV6 0 1123 #endif 1124 #ifndef ICMP6_NI_SUBJ_FQDN 1125 # define ICMP6_NI_SUBJ_FQDN 1 1126 #endif 1127 #ifndef ICMP6_NI_SUBJ_IPV4 1128 # define ICMP6_NI_SUBJ_IPV4 2 1129 #endif 1130 1131 #ifndef MLD_MTRACE_RESP 1132 # define MLD_MTRACE_RESP 200 1133 #endif 1134 #ifndef MLD_MTRACE 1135 # define MLD_MTRACE 201 1136 #endif 1137 #ifndef MLD6_MTRACE_RESP 1138 # define MLD6_MTRACE_RESP MLD_MTRACE_RESP 1139 #endif 1140 #ifndef MLD6_MTRACE 1141 # define MLD6_MTRACE MLD_MTRACE 1142 #endif 1143 1144 #if !defined(IPV6_FLOWINFO_MASK) 1145 # if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN) 1146 # define IPV6_FLOWINFO_MASK 0x0fffffff /* flow info (28 bits) */ 1147 # else 1148 # if(BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1149 # define IPV6_FLOWINFO_MASK 0xffffff0f /* flow info (28 bits) */ 1150 # endif /* LITTLE_ENDIAN */ 1151 # endif 1152 #endif 1153 #if !defined(IPV6_FLOWLABEL_MASK) 1154 # if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN) 1155 # define IPV6_FLOWLABEL_MASK 0x000fffff /* flow label (20 bits) */ 1156 # else 1157 # if (BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1158 # define IPV6_FLOWLABEL_MASK 0xffff0f00 /* flow label (20 bits) */ 1159 # endif /* LITTLE_ENDIAN */ 1160 # endif 1161 #endif 1162 1163 /* 1164 * ECN is a new addition to TCP - RFC 2481 1165 */ 1166 #ifndef TH_ECN 1167 # define TH_ECN 0x40 1168 #endif 1169 #ifndef TH_CWR 1170 # define TH_CWR 0x80 1171 #endif 1172 #define TH_ECNALL (TH_ECN|TH_CWR) 1173 1174 /* 1175 * TCP States 1176 */ 1177 #define IPF_TCPS_LISTEN 0 /* listening for connection */ 1178 #define IPF_TCPS_SYN_SENT 1 /* active, have sent syn */ 1179 #define IPF_TCPS_SYN_RECEIVED 2 /* have send and received syn */ 1180 #define IPF_TCPS_HALF_ESTAB 3 /* for connections not fully "up" */ 1181 /* states < IPF_TCPS_ESTABLISHED are those where connections not established */ 1182 #define IPF_TCPS_ESTABLISHED 4 /* established */ 1183 #define IPF_TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */ 1184 /* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */ 1185 #define IPF_TCPS_FIN_WAIT_1 6 /* have closed, sent fin */ 1186 #define IPF_TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */ 1187 #define IPF_TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */ 1188 /* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */ 1189 #define IPF_TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */ 1190 #define IPF_TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */ 1191 #define IPF_TCPS_CLOSED 11 /* closed */ 1192 #define IPF_TCP_NSTATES 12 1193 1194 #define TCP_MSL 120 1195 1196 #undef ICMP_MAX_UNREACH 1197 #define ICMP_MAX_UNREACH 14 1198 #undef ICMP_MAXTYPE 1199 #define ICMP_MAXTYPE 18 1200 1201 #ifndef LOG_FTP 1202 # define LOG_FTP (11<<3) 1203 #endif 1204 #ifndef LOG_AUTHPRIV 1205 # define LOG_AUTHPRIV (10<<3) 1206 #endif 1207 #ifndef LOG_AUDIT 1208 # define LOG_AUDIT (13<<3) 1209 #endif 1210 #ifndef LOG_NTP 1211 # define LOG_NTP (12<<3) 1212 #endif 1213 #ifndef LOG_SECURITY 1214 # define LOG_SECURITY (13<<3) 1215 #endif 1216 #ifndef LOG_LFMT 1217 # define LOG_LFMT (14<<3) 1218 #endif 1219 #ifndef LOG_CONSOLE 1220 # define LOG_CONSOLE (14<<3) 1221 #endif 1222 1223 /* 1224 * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data, 1225 * another IP header and then 64 bits of data, totalling 56. Of course, 1226 * the last 64 bits is dependent on that being available. 1227 */ 1228 #define ICMPERR_ICMPHLEN 8 1229 #define ICMPERR_IPICMPHLEN (20 + 8) 1230 #define ICMPERR_MINPKTLEN (20 + 8 + 20) 1231 #define ICMPERR_MAXPKTLEN (20 + 8 + 20 + 8) 1232 #define ICMP6ERR_MINPKTLEN (40 + 8) 1233 #define ICMP6ERR_IPICMPHLEN (40 + 8 + 40) 1234 1235 #ifndef MIN 1236 # define MIN(a,b) (((a)<(b))?(a):(b)) 1237 #endif 1238 1239 #ifdef RESCUE 1240 # undef IPFILTER_BPF 1241 #endif 1242 1243 #ifdef IPF_DEBUG 1244 # define DPRINT(x) printf x 1245 #else 1246 # define DPRINT(x) 1247 #endif 1248 1249 #ifdef DTRACE_PROBE 1250 # ifdef _KERNEL 1251 # define DT(_n) DTRACE_PROBE(_n) 1252 # define DT1(_n,_a,_b) DTRACE_PROBE1(_n,_a,_b) 1253 # define DT2(_n,_a,_b,_c,_d) DTRACE_PROBE2(_n,_a,_b,_c,_d) 1254 # define DT3(_n,_a,_b,_c,_d,_e,_f) \ 1255 DTRACE_PROBE3(_n,_a,_b,_c,_d,_e,_f) 1256 # define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) \ 1257 DTRACE_PROBE4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1258 # else 1259 # define DT(_n) 1260 # define DT1(_n,_a,_b) 1261 # define DT2(_n,_a,_b,_c,_d) 1262 # define DT3(_n,_a,_b,_c,_d,_e,_f) 1263 # define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1264 # endif 1265 #else 1266 # define DT(_n) 1267 # define DT1(_n,_a,_b) 1268 # define DT2(_n,_a,_b,_c,_d) 1269 # define DT3(_n,_a,_b,_c,_d,_e,_f) 1270 # define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1271 #endif 1272 1273 struct ip6_routing { 1274 u_char ip6r_nxt; /* next header */ 1275 u_char ip6r_len; /* length in units of 8 octets */ 1276 u_char ip6r_type; /* always zero */ 1277 u_char ip6r_segleft; /* segments left */ 1278 u_32_t ip6r_reserved; /* reserved field */ 1279 }; 1280 1281 #endif /* __IP_COMPAT_H__ */ 1282