1 /* 2 * Copyright (C) 2012 by Darren Reed. 3 * 4 * See the IPFILTER.LICENCE file for details on licencing. 5 * Id: ip_compat.h,v 2.142.2.57 2007/10/10 09:51:42 darrenr Exp $ 6 */ 7 8 #ifndef __IP_COMPAT_H__ 9 #define __IP_COMPAT_H__ 10 11 #if defined(_KERNEL) || defined(KERNEL) || defined(__KERNEL__) 12 # undef KERNEL 13 # undef _KERNEL 14 # undef __KERNEL__ 15 # define KERNEL 16 # define _KERNEL 17 # define __KERNEL__ 18 #endif 19 20 #ifndef SOLARIS 21 # if defined(sun) && defined(__SVR4) 22 # define SOLARIS 1 23 # else 24 # define SOLARIS 0 25 # endif 26 #endif 27 28 29 #if defined(__SVR4) 30 # define index strchr 31 # if !defined(_KERNEL) 32 # define bzero(a,b) memset(a,0,b) 33 # define bcmp memcmp 34 # define bcopy(a,b,c) memmove(b,a,c) 35 # endif 36 #endif 37 38 #ifndef LIFNAMSIZ 39 # ifdef IF_NAMESIZE 40 # define LIFNAMSIZ IF_NAMESIZE 41 # else 42 # ifdef IFNAMSIZ 43 # define LIFNAMSIZ IFNAMSIZ 44 # else 45 # define LIFNAMSIZ 16 46 # endif 47 # endif 48 #endif 49 50 51 # define IPL_EXTERN(ep) ipl##ep 52 53 /* 54 * This is a workaround for <sys/uio.h> troubles on FreeBSD and OpenBSD. 55 */ 56 #ifndef _KERNEL 57 # define ADD_KERNEL 58 # define _KERNEL 59 # define KERNEL 60 #endif 61 #include <sys/uio.h> 62 #ifdef ADD_KERNEL 63 # undef _KERNEL 64 # undef KERNEL 65 #endif 66 67 #define NETBSD_GE_REV(x) (defined(__NetBSD_Version__) && \ 68 (__NetBSD_Version__ >= (x))) 69 #define NETBSD_GT_REV(x) (defined(__NetBSD_Version__) && \ 70 (__NetBSD_Version__ > (x))) 71 #define NETBSD_LT_REV(x) (defined(__NetBSD_Version__) && \ 72 (__NetBSD_Version__ < (x))) 73 74 75 /* ----------------------------------------------------------------------- */ 76 /* F R E E B S D */ 77 /* ----------------------------------------------------------------------- */ 78 #define HAS_SYS_MD5_H 1 79 #if defined(_KERNEL) 80 # include "opt_bpf.h" 81 # include "opt_inet6.h" 82 # if defined(INET6) && !defined(USE_INET6) 83 # define USE_INET6 84 # endif 85 #else 86 # if !defined(USE_INET6) && !defined(NOINET6) 87 # define USE_INET6 88 # endif 89 #endif 90 91 #if defined(_KERNEL) 92 # include <netinet/ip_var.h> 93 # define p_cred td_ucred 94 # define p_uid td_ucred->cr_ruid 95 96 /* 97 * When #define'd, the 5.2.1 kernel panics when used with the ftp proxy. 98 * There may be other, safe, kernels but this is not extensively tested yet. 99 */ 100 # define HAVE_M_PULLDOWN 101 # if !defined(IPFILTER_LKM) && defined(__FreeBSD__) 102 # include "opt_ipfilter.h" 103 # endif 104 # define COPYIN(a,b,c) copyin((caddr_t)(a), (caddr_t)(b), (c)) 105 # define COPYOUT(a,b,c) copyout((caddr_t)(a), (caddr_t)(b), (c)) 106 107 #else 108 # include <inttypes.h> 109 #endif /* _KERNEL */ 110 111 #include <sys/selinfo.h> 112 #include <sys/lock.h> 113 #include <sys/malloc.h> 114 #include <sys/mutex.h> 115 #define KRWLOCK_FILL_SZ 56 116 #define KMUTEX_FILL_SZ 56 117 #include <sys/rwlock.h> 118 #define KMUTEX_T struct mtx 119 #define KRWLOCK_T struct rwlock 120 121 #ifdef _KERNEL 122 # define READ_ENTER(x) rw_rlock(&(x)->ipf_lk) 123 # define WRITE_ENTER(x) rw_wlock(&(x)->ipf_lk) 124 # define MUTEX_DOWNGRADE(x) rw_downgrade(&(x)->ipf_lk) 125 # define MUTEX_TRY_UPGRADE(x) rw_try_upgrade(&(x)->ipf_lk) 126 # define RWLOCK_INIT(x,y) rw_init(&(x)->ipf_lk, (y)) 127 # define RW_DESTROY(x) rw_destroy(&(x)->ipf_lk) 128 # define RWLOCK_EXIT(x) do { \ 129 if (rw_wowned(&(x)->ipf_lk)) \ 130 rw_wunlock(&(x)->ipf_lk); \ 131 else \ 132 rw_runlock(&(x)->ipf_lk); \ 133 } while (0) 134 # include <net/if_var.h> 135 # include <net/if_private.h> 136 # define GETKTIME(x) microtime((struct timeval *)x) 137 # define if_addrlist if_addrhead 138 139 # include <netinet/in_systm.h> 140 # include <netinet/ip.h> 141 # include <machine/in_cksum.h> 142 143 # define USE_MUTEXES 144 # define MUTEX_ENTER(x) mtx_lock(&(x)->ipf_lk) 145 # define MUTEX_EXIT(x) mtx_unlock(&(x)->ipf_lk) 146 # define MUTEX_INIT(x,y) mtx_init(&(x)->ipf_lk, (y), NULL,\ 147 MTX_DEF) 148 # define MUTEX_DESTROY(x) mtx_destroy(&(x)->ipf_lk) 149 # define MUTEX_NUKE(x) bzero((x), sizeof(*(x))) 150 /* 151 * Whilst the sx(9) locks on FreeBSD have the right semantics and interface 152 * for what we want to use them for, despite testing showing they work - 153 * with a WITNESS kernel, it generates LOR messages. 154 */ 155 # include <machine/atomic.h> 156 # define ATOMIC_INC(x) { mtx_lock(&softc->ipf_rw.ipf_lk); (x)++; \ 157 mtx_unlock(&softc->ipf_rw.ipf_lk); } 158 # define ATOMIC_DEC(x) { mtx_lock(&softc->ipf_rw.ipf_lk); (x)--; \ 159 mtx_unlock(&softc->ipf_rw.ipf_lk); } 160 # define ATOMIC_INCL(x) atomic_add_long(&(x), 1) 161 # define ATOMIC_INC64(x) ATOMIC_INC(x) 162 # define ATOMIC_INC32(x) atomic_add_32((u_int *)&(x), 1) 163 # define ATOMIC_DECL(x) atomic_add_long(&(x), -1) 164 # define ATOMIC_DEC64(x) ATOMIC_DEC(x) 165 # define ATOMIC_DEC32(x) atomic_add_32((u_int *)&(x), -1) 166 # define SPL_X(x) ; 167 # define SPL_NET(x) ; 168 # define SPL_IMP(x) ; 169 # define SPL_SCHED(x) ; 170 # define GET_MINOR dev2unit 171 # define MSGDSIZE(m) mbufchainlen(m) 172 # define M_LEN(m) (m)->m_len 173 # define M_ADJ(m,x) m_adj(m, x) 174 # define M_COPY(x) m_copym((x), 0, M_COPYALL, M_NOWAIT) 175 # define M_DUP(m) m_dup(m, M_NOWAIT) 176 # define IPF_PANIC(x,y) if (x) { printf y; panic("ipf_panic"); } 177 typedef struct mbuf mb_t; 178 179 #else /* !_KERNEL */ 180 # ifndef _NET_IF_VAR_H_ 181 /* 182 * Userland emulation of struct ifnet. 183 */ 184 struct route; 185 struct mbuf; 186 struct ifnet { 187 char if_xname[IFNAMSIZ]; 188 STAILQ_HEAD(, ifaddr) if_addrlist; 189 int (*if_output)(struct ifnet *, struct mbuf *, 190 const struct sockaddr *, struct route *); 191 }; 192 # endif /* _NET_IF_VAR_H_ */ 193 #endif /* _KERNEL */ 194 195 #define IFNAME(x) ((struct ifnet *)x)->if_xname 196 #define COPYIFNAME(v, x, b) \ 197 (void) strncpy(b, \ 198 ((struct ifnet *)x)->if_xname, \ 199 LIFNAMSIZ) 200 201 typedef u_long ioctlcmd_t; 202 typedef struct uio uio_t; 203 typedef int minor_t; 204 typedef u_int32_t u_32_t; 205 # define U_32_T 1 206 207 208 /* ----------------------------------------------------------------------- */ 209 /* G E N E R I C */ 210 /* ----------------------------------------------------------------------- */ 211 212 /* 213 * For BSD kernels, if bpf is in the kernel, enable ipfilter to use bpf in 214 * filter rules. 215 */ 216 #if !defined(IPFILTER_BPF) 217 # if (defined(NBPF) && (NBPF > 0)) || (defined(DEV_BPF) && (DEV_BPF > 0)) || \ 218 (defined(NBPFILTER) && (NBPFILTER > 0)) 219 # define IPFILTER_BPF 220 # endif 221 #endif 222 223 /* 224 * Userland locking primitives 225 */ 226 #ifndef _KERNEL 227 # if !defined(KMUTEX_FILL_SZ) 228 # define KMUTEX_FILL_SZ 1 229 # endif 230 # if !defined(KRWLOCK_FILL_SZ) 231 # define KRWLOCK_FILL_SZ 1 232 # endif 233 #endif 234 235 typedef struct { 236 char *eMm_owner; 237 char *eMm_heldin; 238 u_int eMm_magic; 239 int eMm_held; 240 int eMm_heldat; 241 } eMmutex_t; 242 243 typedef struct { 244 char *eMrw_owner; 245 char *eMrw_heldin; 246 u_int eMrw_magic; 247 short eMrw_read; 248 short eMrw_write; 249 int eMrw_heldat; 250 } eMrwlock_t; 251 252 typedef union { 253 char _fill[KMUTEX_FILL_SZ]; 254 #ifdef KMUTEX_T 255 struct { 256 KMUTEX_T ipf_slk; 257 const char *ipf_lname; 258 } ipf_lkun_s; 259 #endif 260 eMmutex_t ipf_emu; 261 } ipfmutex_t; 262 263 typedef union { 264 char _fill[KRWLOCK_FILL_SZ]; 265 #ifdef KRWLOCK_T 266 struct { 267 KRWLOCK_T ipf_slk; 268 const char *ipf_lname; 269 int ipf_sr; 270 int ipf_sw; 271 u_int ipf_magic; 272 } ipf_lkun_s; 273 #endif 274 eMrwlock_t ipf_emu; 275 } ipfrwlock_t; 276 277 #define ipf_lk ipf_lkun_s.ipf_slk 278 #define ipf_lname ipf_lkun_s.ipf_lname 279 #define ipf_isr ipf_lkun_s.ipf_sr 280 #define ipf_isw ipf_lkun_s.ipf_sw 281 #define ipf_magic ipf_lkun_s.ipf_magic 282 283 #if defined(__FreeBSD__) && defined(_KERNEL) 284 CTASSERT(sizeof(ipfrwlock_t) == KRWLOCK_FILL_SZ); 285 CTASSERT(sizeof(ipfmutex_t) == KMUTEX_FILL_SZ); 286 #endif 287 288 289 /* 290 * In a non-kernel environment, there are a lot of macros that need to be 291 * filled in to be null-ops or to point to some compatibility function, 292 * somewhere in userland. 293 */ 294 #ifndef _KERNEL 295 typedef struct mb_s { 296 struct mb_s *mb_next; 297 char *mb_data; 298 void *mb_ifp; 299 int mb_len; 300 int mb_flags; 301 u_long mb_buf[2048]; 302 } mb_t; 303 # undef m_next 304 # define m_next mb_next 305 # undef m_len 306 # define m_len mb_len 307 # undef m_flags 308 # define m_flags mb_flags 309 # undef m_data 310 # define m_data mb_data 311 # undef M_MCAST 312 # define M_MCAST 0x01 313 # undef M_BCAST 314 # define M_BCAST 0x02 315 # undef M_MBCAST 316 # define M_MBCAST 0x04 317 # define MSGDSIZE(m) msgdsize(m) 318 # define M_LEN(m) (m)->mb_len 319 # define M_ADJ(m,x) (m)->mb_len += x 320 # define M_COPY(m) dupmbt(m) 321 # define M_DUP(m) dupmbt(m) 322 # define GETKTIME(x) gettimeofday((struct timeval *)(x), NULL) 323 # define MTOD(m, t) ((t)(m)->mb_data) 324 # define FREE_MB_T(m) freembt(m) 325 # define ALLOC_MB_T(m,l) (m) = allocmbt(l) 326 # define PREP_MB_T(f, m) do { \ 327 (m)->mb_next = *(f)->fin_mp; \ 328 *(fin)->fin_mp = (m); \ 329 (f)->fin_m = (m); \ 330 } while (0) 331 # define SLEEP(x,y) 1; 332 # define WAKEUP(x,y) ; 333 # define POLLWAKEUP(y) ; 334 # define IPF_PANIC(x,y) ; 335 # define PANIC(x,y) ; 336 # define SPL_SCHED(x) ; 337 # define SPL_NET(x) ; 338 # define SPL_IMP(x) ; 339 # define SPL_X(x) ; 340 # define KMALLOC(a,b) (a) = (b)malloc(sizeof(*a)) 341 # define KMALLOCS(a,b,c) (a) = (b)malloc(c) 342 # define KFREE(x) free(x) 343 # define KFREES(x,s) free(x) 344 # define GETIFP(x, v) get_unit(x,v) 345 # define GETIFMTU_4(x) 2048 346 # define GETIFMTU_6(x) 2048 347 # define COPYIN(a,b,c) bcopywrap((a), (b), (c)) 348 # define COPYOUT(a,b,c) bcopywrap((a), (b), (c)) 349 # define COPYDATA(m, o, l, b) bcopy(MTOD((mb_t *)m, char *) + (o), \ 350 (b), (l)) 351 # define COPYBACK(m, o, l, b) bcopy((b), \ 352 MTOD((mb_t *)m, char *) + (o), \ 353 (l)) 354 # define UIOMOVE(a,b,c,d) ipfuiomove((caddr_t)a,b,c,d) 355 extern void m_copydata(mb_t *, int, int, caddr_t); 356 extern int ipfuiomove(caddr_t, int, int, struct uio *); 357 extern int bcopywrap(void *, void *, size_t); 358 extern mb_t *allocmbt(size_t); 359 extern mb_t *dupmbt(mb_t *); 360 extern void freembt(mb_t *); 361 362 # define MUTEX_DESTROY(x) eMmutex_destroy(&(x)->ipf_emu, \ 363 __FILE__, __LINE__) 364 # define MUTEX_ENTER(x) eMmutex_enter(&(x)->ipf_emu, \ 365 __FILE__, __LINE__) 366 # define MUTEX_EXIT(x) eMmutex_exit(&(x)->ipf_emu, \ 367 __FILE__, __LINE__) 368 # define MUTEX_INIT(x,y) eMmutex_init(&(x)->ipf_emu, y, \ 369 __FILE__, __LINE__) 370 # define MUTEX_NUKE(x) bzero((x), sizeof(*(x))) 371 372 # define MUTEX_DOWNGRADE(x) eMrwlock_downgrade(&(x)->ipf_emu, \ 373 __FILE__, __LINE__) 374 # define MUTEX_TRY_UPGRADE(x) eMrwlock_try_upgrade(&(x)->ipf_emu, \ 375 __FILE__, __LINE__) 376 # define READ_ENTER(x) eMrwlock_read_enter(&(x)->ipf_emu, \ 377 __FILE__, __LINE__) 378 # define RWLOCK_INIT(x, y) eMrwlock_init(&(x)->ipf_emu, y) 379 # define RWLOCK_EXIT(x) eMrwlock_exit(&(x)->ipf_emu) 380 # define RW_DESTROY(x) eMrwlock_destroy(&(x)->ipf_emu) 381 # define WRITE_ENTER(x) eMrwlock_write_enter(&(x)->ipf_emu, \ 382 __FILE__, \ 383 __LINE__) 384 385 # define USE_MUTEXES 1 386 387 extern void eMmutex_destroy(eMmutex_t *, char *, int); 388 extern void eMmutex_enter(eMmutex_t *, char *, int); 389 extern void eMmutex_exit(eMmutex_t *, char *, int); 390 extern void eMmutex_init(eMmutex_t *, char *, char *, int); 391 extern void eMrwlock_destroy(eMrwlock_t *); 392 extern void eMrwlock_exit(eMrwlock_t *); 393 extern void eMrwlock_init(eMrwlock_t *, char *); 394 extern void eMrwlock_read_enter(eMrwlock_t *, char *, int); 395 extern void eMrwlock_write_enter(eMrwlock_t *, char *, int); 396 extern void eMrwlock_downgrade(eMrwlock_t *, char *, int); 397 398 #endif 399 400 extern mb_t *allocmbt(size_t); 401 402 #define MAX_IPV4HDR ((0xf << 2) + sizeof(struct icmp) + sizeof(ip_t) + 8) 403 404 #ifndef IP_OFFMASK 405 # define IP_OFFMASK 0x1fff 406 #endif 407 408 409 /* 410 * On BSD's use quad_t as a guarantee for getting at least a 64bit sized 411 * object. 412 */ 413 #if !defined(__amd64__) && !SOLARIS 414 # define USE_QUAD_T 415 # define U_QUAD_T unsigned long long 416 # define QUAD_T long long 417 #else /* BSD */ 418 # if !defined(U_QUAD_T) 419 # define U_QUAD_T u_long 420 # define QUAD_T long 421 # endif 422 #endif /* BSD */ 423 424 425 #ifdef USE_INET6 426 # if defined(__NetBSD__) || defined(__FreeBSD__) 427 # include <netinet/ip6.h> 428 # include <netinet/icmp6.h> 429 # if defined(_KERNEL) 430 # include <netinet6/ip6_var.h> 431 # endif 432 typedef struct ip6_hdr ip6_t; 433 # endif 434 #endif 435 436 #ifndef MAX 437 # define MAX(a,b) (((a) > (b)) ? (a) : (b)) 438 #endif 439 440 #if defined(_KERNEL) 441 # if SOLARIS && !defined(INSTANCES) 442 # define COPYDATA mb_copydata 443 # define COPYBACK mb_copyback 444 # else 445 # define COPYDATA m_copydata 446 # define COPYBACK m_copyback 447 # endif 448 # if (defined(__NetBSD_Version__) && (__NetBSD_Version__ < 105180000)) || \ 449 defined(__FreeBSD__) 450 # include <vm/vm.h> 451 # endif 452 # if NETBSD_GE_REV(105180000) 453 # include <uvm/uvm_extern.h> 454 # else 455 # include <vm/vm_extern.h> 456 extern vm_map_t kmem_map; 457 # endif 458 # include <sys/proc.h> 459 460 # ifdef IPFILTER_M_IPFILTER 461 # include <sys/malloc.h> 462 MALLOC_DECLARE(M_IPFILTER); 463 # define _M_IPF M_IPFILTER 464 # else /* IPFILTER_M_IPFILTER */ 465 # ifdef M_PFIL 466 # define _M_IPF M_PFIL 467 # else 468 # ifdef M_IPFILTER 469 # define _M_IPF M_IPFILTER 470 # else 471 # define _M_IPF M_TEMP 472 # endif /* M_IPFILTER */ 473 # endif /* M_PFIL */ 474 # endif /* IPFILTER_M_IPFILTER */ 475 # if !defined(KMALLOC) 476 # define KMALLOC(a, b) (a) = (b)malloc(sizeof(*(a)), _M_IPF, M_NOWAIT) 477 # endif 478 # if !defined(KMALLOCS) 479 # define KMALLOCS(a, b, c) (a) = (b)malloc((c), _M_IPF, M_NOWAIT) 480 # endif 481 # if !defined(KFREE) 482 # define KFREE(x) free((x), _M_IPF) 483 # endif 484 # if !defined(KFREES) 485 # define KFREES(x,s) free((x), _M_IPF) 486 # endif 487 # define UIOMOVE(a,b,c,d) uiomove((caddr_t)a,b,d) 488 # define SLEEP(id, n) tsleep((id), PPAUSE|PCATCH, n, 0) 489 # define WAKEUP(id,x) wakeup(id+x) 490 # if !defined(POLLWAKEUP) 491 # define POLLWAKEUP(x) selwakeup(softc->ipf_selwait+x) 492 # endif 493 # define GETIFP(n, v) ifunit(n) 494 # define GETIFMTU_4(x) ((struct ifnet *)x)->if_mtu 495 # define GETIFMTU_6(x) ((struct ifnet *)x)->if_mtu 496 497 # if !defined(USE_MUTEXES) && !defined(SPL_NET) 498 # define SPL_IMP(x) x = splimp() 499 # define SPL_NET(x) x = splnet() 500 # if !defined(SPL_SCHED) 501 # define SPL_SCHED(x) x = splsched() 502 # endif 503 # define SPL_X(x) (void) splx(x) 504 # endif /* !USE_MUTEXES */ 505 506 # ifndef FREE_MB_T 507 # define FREE_MB_T(m) m_freem(m) 508 # endif 509 # ifndef ALLOC_MB_T 510 # ifdef MGETHDR 511 # define ALLOC_MB_T(m,l) do { \ 512 MGETHDR((m), M_NOWAIT, MT_HEADER); \ 513 if ((m) != NULL) { \ 514 (m)->m_len = (l); \ 515 (m)->m_pkthdr.len = (l); \ 516 } \ 517 } while (0) 518 # else 519 # define ALLOC_MB_T(m,l) do { \ 520 MGET((m), M_NOWAIT, MT_HEADER); \ 521 if ((m) != NULL) { \ 522 (m)->m_len = (l); \ 523 (m)->m_pkthdr.len = (l); \ 524 } \ 525 } while (0) 526 # endif 527 # endif 528 # ifndef PREP_MB_T 529 # define PREP_MB_T(f, m) do { \ 530 mb_t *_o = *(f)->fin_mp; \ 531 (m)->m_next = _o; \ 532 *(fin)->fin_mp = (m); \ 533 if (_o->m_flags & M_PKTHDR) { \ 534 (m)->m_pkthdr.len += \ 535 _o->m_pkthdr.len; \ 536 (m)->m_pkthdr.rcvif = \ 537 _o->m_pkthdr.rcvif; \ 538 } \ 539 } while (0) 540 # endif 541 # ifndef M_DUP 542 # ifdef M_COPYALL 543 # define M_DUP(m) m_dup(m, 0, M_COPYALL, 0) 544 # else 545 # define M_DUP(m) m_dup(m) 546 # endif 547 # endif 548 549 # ifndef MTOD 550 # define MTOD(m,t) mtod(m,t) 551 # endif 552 553 # ifndef COPYIN 554 # define COPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 555 # define COPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 556 # endif 557 558 # if SOLARIS && !defined(KMALLOC) 559 # define KMALLOC(a,b) (a) = (b)new_kmem_alloc(sizeof(*(a)), \ 560 KMEM_NOSLEEP) 561 # define KMALLOCS(a,b,c) (a) = (b)new_kmem_alloc((c), KMEM_NOSLEEP) 562 # endif 563 564 # ifndef GET_MINOR 565 # define GET_MINOR(x) dev2unit(x) 566 # endif 567 # define PANIC(x,y) if (x) panic y 568 #endif /* _KERNEL */ 569 570 #if !defined(IFNAME) && !defined(_KERNEL) 571 # define IFNAME(x) get_ifname((struct ifnet *)x) 572 #endif 573 #ifndef COPYIFNAME 574 # define NEED_FRGETIFNAME 575 extern char *ipf_getifname(struct ifnet *, char *); 576 # define COPYIFNAME(v, x, b) \ 577 ipf_getifname((struct ifnet *)x, b) 578 #endif 579 580 #ifndef ASSERT 581 # ifdef _KERNEL 582 # define ASSERT(x) 583 # else 584 # define ASSERT(x) do { if (!(x)) abort(); } while (0) 585 # endif 586 #endif 587 588 #ifndef BCOPYIN 589 # define BCOPYIN(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 590 # define BCOPYOUT(a,b,c) (bcopy((caddr_t)(a), (caddr_t)(b), (c)), 0) 591 #endif 592 593 /* 594 * Because the ctype(3) posix definition, if used "safely" in code everywhere, 595 * would mean all normal code that walks through strings needed casts. Yuck. 596 */ 597 #define ISALNUM(x) isalnum((u_char)(x)) 598 #define ISALPHA(x) isalpha((u_char)(x)) 599 #define ISDIGIT(x) isdigit((u_char)(x)) 600 #define ISSPACE(x) isspace((u_char)(x)) 601 #define ISUPPER(x) isupper((u_char)(x)) 602 #define ISXDIGIT(x) isxdigit((u_char)(x)) 603 #define ISLOWER(x) islower((u_char)(x)) 604 #define TOUPPER(x) toupper((u_char)(x)) 605 #define TOLOWER(x) tolower((u_char)(x)) 606 607 /* 608 * If mutexes aren't being used, turn all the mutex functions into null-ops. 609 */ 610 #if !defined(USE_MUTEXES) 611 # define USE_SPL 1 612 # undef RW_DESTROY 613 # undef MUTEX_INIT 614 # undef MUTEX_NUKE 615 # undef MUTEX_DESTROY 616 # define MUTEX_ENTER(x) ; 617 # define READ_ENTER(x) ; 618 # define WRITE_ENTER(x) ; 619 # define MUTEX_DOWNGRADE(x) ; 620 # define MUTEX_TRY_UPGRADE(x) ; 621 # define RWLOCK_INIT(x, y) ; 622 # define RWLOCK_EXIT(x) ; 623 # define RW_DESTROY(x) ; 624 # define MUTEX_EXIT(x) ; 625 # define MUTEX_INIT(x,y) ; 626 # define MUTEX_DESTROY(x) ; 627 # define MUTEX_NUKE(x) ; 628 #endif /* !USE_MUTEXES */ 629 #ifndef ATOMIC_INC 630 # define ATOMIC_INC(x) (x)++ 631 # define ATOMIC_DEC(x) (x)-- 632 #endif 633 634 #if defined(USE_SPL) && defined(_KERNEL) 635 # define SPL_INT(x) int x 636 #else 637 # define SPL_INT(x) 638 #endif 639 640 /* 641 * If there are no atomic operations for bit sizes defined, define them to all 642 * use a generic one that works for all sizes. 643 */ 644 #ifndef ATOMIC_INCL 645 # define ATOMIC_INCL ATOMIC_INC 646 # define ATOMIC_INC64 ATOMIC_INC 647 # define ATOMIC_INC32 ATOMIC_INC 648 # define ATOMIC_DECL ATOMIC_DEC 649 # define ATOMIC_DEC64 ATOMIC_DEC 650 # define ATOMIC_DEC32 ATOMIC_DEC 651 #endif 652 653 #ifndef HDR_T_PRIVATE 654 typedef struct tcphdr tcphdr_t; 655 typedef struct udphdr udphdr_t; 656 #endif 657 typedef struct icmp icmphdr_t; 658 typedef struct ip ip_t; 659 typedef struct ether_header ether_header_t; 660 typedef struct tcpiphdr tcpiphdr_t; 661 662 #ifndef FR_GROUPLEN 663 # define FR_GROUPLEN 16 664 #endif 665 666 #ifndef offsetof 667 # define offsetof(t,m) (size_t)((&((t *)0L)->m)) 668 #endif 669 #ifndef stsizeof 670 # define stsizeof(t,m) sizeof(((t *)0L)->m) 671 #endif 672 673 /* 674 * This set of macros has been brought about because on Tru64 it is not 675 * possible to easily assign or examine values in a structure that are 676 * bit fields. 677 */ 678 #ifndef IP_V 679 # define IP_V(x) (x)->ip_v 680 #endif 681 #ifndef IP_V_A 682 # define IP_V_A(x,y) (x)->ip_v = (y) 683 #endif 684 #ifndef IP_HL 685 # define IP_HL(x) (x)->ip_hl 686 #endif 687 #ifndef IP_HL_A 688 # define IP_HL_A(x,y) (x)->ip_hl = ((y) & 0xf) 689 #endif 690 #ifndef TCP_X2 691 # define TCP_X2(x) (x)->th_x2 692 #endif 693 #ifndef TCP_X2_A 694 # define TCP_X2_A(x,y) (x)->th_x2 = (y) 695 #endif 696 #ifndef TCP_OFF 697 # define TCP_OFF(x) (x)->th_off 698 #endif 699 #ifndef TCP_OFF_A 700 # define TCP_OFF_A(x,y) (x)->th_off = (y) 701 #endif 702 #define IPMINLEN(i, h) ((i)->ip_len >= (IP_HL(i) * 4 + sizeof(struct h))) 703 704 #define TCPF_ALL (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|\ 705 TH_ECN|TH_CWR) 706 707 #if !SOLARIS && !defined(m_act) 708 # define m_act m_nextpkt 709 #endif 710 711 /* 712 * Security Options for Intenet Protocol (IPSO) as defined in RFC 1108. 713 * 714 * Basic Option 715 * 716 * 00000001 - (Reserved 4) 717 * 00111101 - Top Secret 718 * 01011010 - Secret 719 * 10010110 - Confidential 720 * 01100110 - (Reserved 3) 721 * 11001100 - (Reserved 2) 722 * 10101011 - Unclassified 723 * 11110001 - (Reserved 1) 724 */ 725 #define IPSO_CLASS_RES4 0x01 726 #define IPSO_CLASS_TOPS 0x3d 727 #define IPSO_CLASS_SECR 0x5a 728 #define IPSO_CLASS_CONF 0x96 729 #define IPSO_CLASS_RES3 0x66 730 #define IPSO_CLASS_RES2 0xcc 731 #define IPSO_CLASS_UNCL 0xab 732 #define IPSO_CLASS_RES1 0xf1 733 734 #define IPSO_AUTH_GENSER 0x80 735 #define IPSO_AUTH_ESI 0x40 736 #define IPSO_AUTH_SCI 0x20 737 #define IPSO_AUTH_NSA 0x10 738 #define IPSO_AUTH_DOE 0x08 739 #define IPSO_AUTH_UN 0x06 740 #define IPSO_AUTH_FTE 0x01 741 742 /* 743 * IP option #defines 744 */ 745 #undef IPOPT_RR 746 #define IPOPT_RR 7 747 #undef IPOPT_ZSU 748 #define IPOPT_ZSU 10 /* ZSU */ 749 #undef IPOPT_MTUP 750 #define IPOPT_MTUP 11 /* MTUP */ 751 #undef IPOPT_MTUR 752 #define IPOPT_MTUR 12 /* MTUR */ 753 #undef IPOPT_ENCODE 754 #define IPOPT_ENCODE 15 /* ENCODE */ 755 #undef IPOPT_TS 756 #define IPOPT_TS 68 757 #undef IPOPT_TR 758 #define IPOPT_TR 82 /* TR */ 759 #undef IPOPT_SECURITY 760 #define IPOPT_SECURITY 130 761 #undef IPOPT_LSRR 762 #define IPOPT_LSRR 131 763 #undef IPOPT_E_SEC 764 #define IPOPT_E_SEC 133 /* E-SEC */ 765 #undef IPOPT_CIPSO 766 #define IPOPT_CIPSO 134 /* CIPSO */ 767 #undef IPOPT_SATID 768 #define IPOPT_SATID 136 769 #ifndef IPOPT_SID 770 # define IPOPT_SID IPOPT_SATID 771 #endif 772 #undef IPOPT_SSRR 773 #define IPOPT_SSRR 137 774 #undef IPOPT_ADDEXT 775 #define IPOPT_ADDEXT 147 /* ADDEXT */ 776 #undef IPOPT_VISA 777 #define IPOPT_VISA 142 /* VISA */ 778 #undef IPOPT_IMITD 779 #define IPOPT_IMITD 144 /* IMITD */ 780 #undef IPOPT_EIP 781 #define IPOPT_EIP 145 /* EIP */ 782 #undef IPOPT_RTRALRT 783 #define IPOPT_RTRALRT 148 /* RTRALRT */ 784 #undef IPOPT_SDB 785 #define IPOPT_SDB 149 786 #undef IPOPT_NSAPA 787 #define IPOPT_NSAPA 150 788 #undef IPOPT_DPS 789 #define IPOPT_DPS 151 790 #undef IPOPT_UMP 791 #define IPOPT_UMP 152 792 #undef IPOPT_FINN 793 #define IPOPT_FINN 205 /* FINN */ 794 #undef IPOPT_AH 795 #define IPOPT_AH 256+IPPROTO_AH 796 797 #define ICMP_UNREACH_ADMIN_PROHIBIT ICMP_UNREACH_FILTER_PROHIB 798 #define ICMP_UNREACH_FILTER ICMP_UNREACH_FILTER_PROHIB 799 800 #ifndef IPVERSION 801 # define IPVERSION 4 802 #endif 803 #ifndef IPOPT_MINOFF 804 # define IPOPT_MINOFF 4 805 #endif 806 #ifndef IPOPT_COPIED 807 # define IPOPT_COPIED(x) ((x)&0x80) 808 #endif 809 #ifndef IPOPT_EOL 810 # define IPOPT_EOL 0 811 #endif 812 #ifndef IPOPT_NOP 813 # define IPOPT_NOP 1 814 #endif 815 #ifndef IP_MF 816 # define IP_MF ((u_short)0x2000) 817 #endif 818 #ifndef ETHERTYPE_IP 819 # define ETHERTYPE_IP ((u_short)0x0800) 820 #endif 821 #ifndef TH_FIN 822 # define TH_FIN 0x01 823 #endif 824 #ifndef TH_SYN 825 # define TH_SYN 0x02 826 #endif 827 #ifndef TH_RST 828 # define TH_RST 0x04 829 #endif 830 #ifndef TH_PUSH 831 # define TH_PUSH 0x08 832 #endif 833 #ifndef TH_ACK 834 # define TH_ACK 0x10 835 #endif 836 #ifndef TH_URG 837 # define TH_URG 0x20 838 #endif 839 #undef TH_ACKMASK 840 #define TH_ACKMASK (TH_FIN|TH_SYN|TH_RST|TH_ACK) 841 842 #ifndef IPOPT_EOL 843 # define IPOPT_EOL 0 844 #endif 845 #ifndef IPOPT_NOP 846 # define IPOPT_NOP 1 847 #endif 848 #ifndef IPOPT_RR 849 # define IPOPT_RR 7 850 #endif 851 #ifndef IPOPT_TS 852 # define IPOPT_TS 68 853 #endif 854 #ifndef IPOPT_SECURITY 855 # define IPOPT_SECURITY 130 856 #endif 857 #ifndef IPOPT_LSRR 858 # define IPOPT_LSRR 131 859 #endif 860 #ifndef IPOPT_SATID 861 # define IPOPT_SATID 136 862 #endif 863 #ifndef IPOPT_SSRR 864 # define IPOPT_SSRR 137 865 #endif 866 #ifndef IPOPT_SECUR_UNCLASS 867 # define IPOPT_SECUR_UNCLASS ((u_short)0x0000) 868 #endif 869 #ifndef IPOPT_SECUR_CONFID 870 # define IPOPT_SECUR_CONFID ((u_short)0xf135) 871 #endif 872 #ifndef IPOPT_SECUR_EFTO 873 # define IPOPT_SECUR_EFTO ((u_short)0x789a) 874 #endif 875 #ifndef IPOPT_SECUR_MMMM 876 # define IPOPT_SECUR_MMMM ((u_short)0xbc4d) 877 #endif 878 #ifndef IPOPT_SECUR_RESTR 879 # define IPOPT_SECUR_RESTR ((u_short)0xaf13) 880 #endif 881 #ifndef IPOPT_SECUR_SECRET 882 # define IPOPT_SECUR_SECRET ((u_short)0xd788) 883 #endif 884 #ifndef IPOPT_SECUR_TOPSECRET 885 # define IPOPT_SECUR_TOPSECRET ((u_short)0x6bc5) 886 #endif 887 #ifndef IPOPT_OLEN 888 # define IPOPT_OLEN 1 889 #endif 890 #ifndef IPPROTO_HOPOPTS 891 # define IPPROTO_HOPOPTS 0 892 #endif 893 #ifndef IPPROTO_IPIP 894 # define IPPROTO_IPIP 4 895 #endif 896 #ifndef IPPROTO_ENCAP 897 # define IPPROTO_ENCAP 98 898 #endif 899 #ifndef IPPROTO_IPV6 900 # define IPPROTO_IPV6 41 901 #endif 902 #ifndef IPPROTO_ROUTING 903 # define IPPROTO_ROUTING 43 904 #endif 905 #ifndef IPPROTO_FRAGMENT 906 # define IPPROTO_FRAGMENT 44 907 #endif 908 #ifndef IPPROTO_GRE 909 # define IPPROTO_GRE 47 /* GRE encaps RFC 1701 */ 910 #endif 911 #ifndef IPPROTO_ESP 912 # define IPPROTO_ESP 50 913 #endif 914 #ifndef IPPROTO_AH 915 # define IPPROTO_AH 51 916 #endif 917 #ifndef IPPROTO_ICMPV6 918 # define IPPROTO_ICMPV6 58 919 #endif 920 #ifndef IPPROTO_NONE 921 # define IPPROTO_NONE 59 922 #endif 923 #ifndef IPPROTO_DSTOPTS 924 # define IPPROTO_DSTOPTS 60 925 #endif 926 #ifndef IPPROTO_MOBILITY 927 # define IPPROTO_MOBILITY 135 928 #endif 929 930 #ifndef ICMP_ROUTERADVERT 931 # define ICMP_ROUTERADVERT 9 932 #endif 933 #ifndef ICMP_ROUTERSOLICIT 934 # define ICMP_ROUTERSOLICIT 10 935 #endif 936 #ifndef ICMP6_DST_UNREACH 937 # define ICMP6_DST_UNREACH 1 938 #endif 939 #ifndef ICMP6_PACKET_TOO_BIG 940 # define ICMP6_PACKET_TOO_BIG 2 941 #endif 942 #ifndef ICMP6_TIME_EXCEEDED 943 # define ICMP6_TIME_EXCEEDED 3 944 #endif 945 #ifndef ICMP6_PARAM_PROB 946 # define ICMP6_PARAM_PROB 4 947 #endif 948 949 #ifndef ICMP6_ECHO_REQUEST 950 # define ICMP6_ECHO_REQUEST 128 951 #endif 952 #ifndef ICMP6_ECHO_REPLY 953 # define ICMP6_ECHO_REPLY 129 954 #endif 955 #ifndef ICMP6_MEMBERSHIP_QUERY 956 # define ICMP6_MEMBERSHIP_QUERY 130 957 #endif 958 #ifndef MLD6_LISTENER_QUERY 959 # define MLD6_LISTENER_QUERY 130 960 #endif 961 #ifndef ICMP6_MEMBERSHIP_REPORT 962 # define ICMP6_MEMBERSHIP_REPORT 131 963 #endif 964 #ifndef MLD6_LISTENER_REPORT 965 # define MLD6_LISTENER_REPORT 131 966 #endif 967 #ifndef ICMP6_MEMBERSHIP_REDUCTION 968 # define ICMP6_MEMBERSHIP_REDUCTION 132 969 #endif 970 #ifndef MLD6_LISTENER_DONE 971 # define MLD6_LISTENER_DONE 132 972 #endif 973 #ifndef ND_ROUTER_SOLICIT 974 # define ND_ROUTER_SOLICIT 133 975 #endif 976 #ifndef ND_ROUTER_ADVERT 977 # define ND_ROUTER_ADVERT 134 978 #endif 979 #ifndef ND_NEIGHBOR_SOLICIT 980 # define ND_NEIGHBOR_SOLICIT 135 981 #endif 982 #ifndef ND_NEIGHBOR_ADVERT 983 # define ND_NEIGHBOR_ADVERT 136 984 #endif 985 #ifndef ND_REDIRECT 986 # define ND_REDIRECT 137 987 #endif 988 #ifndef ICMP6_ROUTER_RENUMBERING 989 # define ICMP6_ROUTER_RENUMBERING 138 990 #endif 991 #ifndef ICMP6_WRUREQUEST 992 # define ICMP6_WRUREQUEST 139 993 #endif 994 #ifndef ICMP6_WRUREPLY 995 # define ICMP6_WRUREPLY 140 996 #endif 997 #ifndef ICMP6_FQDN_QUERY 998 # define ICMP6_FQDN_QUERY 139 999 #endif 1000 #ifndef ICMP6_FQDN_REPLY 1001 # define ICMP6_FQDN_REPLY 140 1002 #endif 1003 #ifndef ICMP6_NI_QUERY 1004 # define ICMP6_NI_QUERY 139 1005 #endif 1006 #ifndef ICMP6_NI_REPLY 1007 # define ICMP6_NI_REPLY 140 1008 #endif 1009 #ifndef MLD6_MTRACE_RESP 1010 # define MLD6_MTRACE_RESP 200 1011 #endif 1012 #ifndef MLD6_MTRACE 1013 # define MLD6_MTRACE 201 1014 #endif 1015 #ifndef ICMP6_HADISCOV_REQUEST 1016 # define ICMP6_HADISCOV_REQUEST 202 1017 #endif 1018 #ifndef ICMP6_HADISCOV_REPLY 1019 # define ICMP6_HADISCOV_REPLY 203 1020 #endif 1021 #ifndef ICMP6_MOBILEPREFIX_SOLICIT 1022 # define ICMP6_MOBILEPREFIX_SOLICIT 204 1023 #endif 1024 #ifndef ICMP6_MOBILEPREFIX_ADVERT 1025 # define ICMP6_MOBILEPREFIX_ADVERT 205 1026 #endif 1027 #ifndef ICMP6_MAXTYPE 1028 # define ICMP6_MAXTYPE 205 1029 #endif 1030 1031 #ifndef ICMP6_DST_UNREACH_NOROUTE 1032 # define ICMP6_DST_UNREACH_NOROUTE 0 1033 #endif 1034 #ifndef ICMP6_DST_UNREACH_ADMIN 1035 # define ICMP6_DST_UNREACH_ADMIN 1 1036 #endif 1037 #ifndef ICMP6_DST_UNREACH_NOTNEIGHBOR 1038 # define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 1039 #endif 1040 #ifndef ICMP6_DST_UNREACH_BEYONDSCOPE 1041 # define ICMP6_DST_UNREACH_BEYONDSCOPE 2 1042 #endif 1043 #ifndef ICMP6_DST_UNREACH_ADDR 1044 # define ICMP6_DST_UNREACH_ADDR 3 1045 #endif 1046 #ifndef ICMP6_DST_UNREACH_NOPORT 1047 # define ICMP6_DST_UNREACH_NOPORT 4 1048 #endif 1049 #ifndef ICMP6_TIME_EXCEED_TRANSIT 1050 # define ICMP6_TIME_EXCEED_TRANSIT 0 1051 #endif 1052 #ifndef ICMP6_TIME_EXCEED_REASSEMBLY 1053 # define ICMP6_TIME_EXCEED_REASSEMBLY 1 1054 #endif 1055 1056 #ifndef ICMP6_NI_SUCCESS 1057 # define ICMP6_NI_SUCCESS 0 1058 #endif 1059 #ifndef ICMP6_NI_REFUSED 1060 # define ICMP6_NI_REFUSED 1 1061 #endif 1062 #ifndef ICMP6_NI_UNKNOWN 1063 # define ICMP6_NI_UNKNOWN 2 1064 #endif 1065 1066 #ifndef ICMP6_ROUTER_RENUMBERING_COMMAND 1067 # define ICMP6_ROUTER_RENUMBERING_COMMAND 0 1068 #endif 1069 #ifndef ICMP6_ROUTER_RENUMBERING_RESULT 1070 # define ICMP6_ROUTER_RENUMBERING_RESULT 1 1071 #endif 1072 #ifndef ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 1073 # define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 1074 #endif 1075 1076 #ifndef ICMP6_PARAMPROB_HEADER 1077 # define ICMP6_PARAMPROB_HEADER 0 1078 #endif 1079 #ifndef ICMP6_PARAMPROB_NEXTHEADER 1080 # define ICMP6_PARAMPROB_NEXTHEADER 1 1081 #endif 1082 #ifndef ICMP6_PARAMPROB_OPTION 1083 # define ICMP6_PARAMPROB_OPTION 2 1084 #endif 1085 1086 #ifndef ICMP6_NI_SUBJ_IPV6 1087 # define ICMP6_NI_SUBJ_IPV6 0 1088 #endif 1089 #ifndef ICMP6_NI_SUBJ_FQDN 1090 # define ICMP6_NI_SUBJ_FQDN 1 1091 #endif 1092 #ifndef ICMP6_NI_SUBJ_IPV4 1093 # define ICMP6_NI_SUBJ_IPV4 2 1094 #endif 1095 1096 #ifndef MLD_MTRACE_RESP 1097 # define MLD_MTRACE_RESP 200 1098 #endif 1099 #ifndef MLD_MTRACE 1100 # define MLD_MTRACE 201 1101 #endif 1102 #ifndef MLD6_MTRACE_RESP 1103 # define MLD6_MTRACE_RESP MLD_MTRACE_RESP 1104 #endif 1105 #ifndef MLD6_MTRACE 1106 # define MLD6_MTRACE MLD_MTRACE 1107 #endif 1108 1109 #if !defined(IPV6_FLOWINFO_MASK) 1110 # if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN) 1111 # define IPV6_FLOWINFO_MASK 0x0fffffff /* flow info (28 bits) */ 1112 # else 1113 # if(BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1114 # define IPV6_FLOWINFO_MASK 0xffffff0f /* flow info (28 bits) */ 1115 # endif /* LITTLE_ENDIAN */ 1116 # endif 1117 #endif 1118 #if !defined(IPV6_FLOWLABEL_MASK) 1119 # if (BYTE_ORDER == BIG_ENDIAN) || defined(_BIG_ENDIAN) 1120 # define IPV6_FLOWLABEL_MASK 0x000fffff /* flow label (20 bits) */ 1121 # else 1122 # if (BYTE_ORDER == LITTLE_ENDIAN) || !defined(_BIG_ENDIAN) 1123 # define IPV6_FLOWLABEL_MASK 0xffff0f00 /* flow label (20 bits) */ 1124 # endif /* LITTLE_ENDIAN */ 1125 # endif 1126 #endif 1127 1128 /* 1129 * ECN is a new addition to TCP - RFC 2481 1130 */ 1131 #ifndef TH_ECN 1132 # define TH_ECN 0x40 1133 #endif 1134 #ifndef TH_CWR 1135 # define TH_CWR 0x80 1136 #endif 1137 #define TH_ECNALL (TH_ECN|TH_CWR) 1138 1139 /* 1140 * TCP States 1141 */ 1142 #define IPF_TCPS_LISTEN 0 /* listening for connection */ 1143 #define IPF_TCPS_SYN_SENT 1 /* active, have sent syn */ 1144 #define IPF_TCPS_SYN_RECEIVED 2 /* have send and received syn */ 1145 #define IPF_TCPS_HALF_ESTAB 3 /* for connections not fully "up" */ 1146 /* states < IPF_TCPS_ESTABLISHED are those where connections not established */ 1147 #define IPF_TCPS_ESTABLISHED 4 /* established */ 1148 #define IPF_TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */ 1149 /* states > IPF_TCPS_CLOSE_WAIT are those where user has closed */ 1150 #define IPF_TCPS_FIN_WAIT_1 6 /* have closed, sent fin */ 1151 #define IPF_TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */ 1152 #define IPF_TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */ 1153 /* states > IPF_TCPS_CLOSE_WAIT && < IPF_TCPS_FIN_WAIT_2 await ACK of FIN */ 1154 #define IPF_TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */ 1155 #define IPF_TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */ 1156 #define IPF_TCPS_CLOSED 11 /* closed */ 1157 #define IPF_TCP_NSTATES 12 1158 1159 #define TCP_MSL 120 1160 1161 #undef ICMP_MAX_UNREACH 1162 #define ICMP_MAX_UNREACH 14 1163 #undef ICMP_MAXTYPE 1164 #define ICMP_MAXTYPE 18 1165 1166 #ifndef LOG_FTP 1167 # define LOG_FTP (11<<3) 1168 #endif 1169 #ifndef LOG_AUTHPRIV 1170 # define LOG_AUTHPRIV (10<<3) 1171 #endif 1172 #ifndef LOG_AUDIT 1173 # define LOG_AUDIT (13<<3) 1174 #endif 1175 #ifndef LOG_NTP 1176 # define LOG_NTP (12<<3) 1177 #endif 1178 #ifndef LOG_SECURITY 1179 # define LOG_SECURITY (13<<3) 1180 #endif 1181 #ifndef LOG_LFMT 1182 # define LOG_LFMT (14<<3) 1183 #endif 1184 #ifndef LOG_CONSOLE 1185 # define LOG_CONSOLE (14<<3) 1186 #endif 1187 1188 /* 1189 * ICMP error replies have an IP header (20 bytes), 8 bytes of ICMP data, 1190 * another IP header and then 64 bits of data, totalling 56. Of course, 1191 * the last 64 bits is dependent on that being available. 1192 */ 1193 #define ICMPERR_ICMPHLEN 8 1194 #define ICMPERR_IPICMPHLEN (20 + 8) 1195 #define ICMPERR_MINPKTLEN (20 + 8 + 20) 1196 #define ICMPERR_MAXPKTLEN (20 + 8 + 20 + 8) 1197 #define ICMP6ERR_MINPKTLEN (40 + 8) 1198 #define ICMP6ERR_IPICMPHLEN (40 + 8 + 40) 1199 1200 #ifndef MIN 1201 # define MIN(a,b) (((a)<(b))?(a):(b)) 1202 #endif 1203 1204 #ifdef RESCUE 1205 # undef IPFILTER_BPF 1206 #endif 1207 1208 #ifdef IPF_DEBUG 1209 # define DPRINT(x) printf x 1210 #else 1211 # define DPRINT(x) 1212 #endif 1213 1214 #if defined(DTRACE_PROBE) && defined(_KERNEL) 1215 # define DT(_n) DTRACE_PROBE(_n) 1216 # define DT1(_n,_a,_b) DTRACE_PROBE1(_n,_a,_b) 1217 # define DT2(_n,_a,_b,_c,_d) DTRACE_PROBE2(_n,_a,_b,_c,_d) 1218 # define DT3(_n,_a,_b,_c,_d,_e,_f) \ 1219 DTRACE_PROBE3(_n,_a,_b,_c,_d,_e,_f) 1220 # define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) \ 1221 DTRACE_PROBE4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1222 # define DT5(_n,_a,_b,_c,_d,_e,_f,_g,_h,_i,_j) \ 1223 DTRACE_PROBE5(_n,_a,_b,_c,_d,_e,_f,_g,_h,_i,_j) 1224 #else 1225 # define DT(_n) 1226 # define DT1(_n,_a,_b) 1227 # define DT2(_n,_a,_b,_c,_d) 1228 # define DT3(_n,_a,_b,_c,_d,_e,_f) 1229 # define DT4(_n,_a,_b,_c,_d,_e,_f,_g,_h) 1230 # define DT5(_n,_a,_b,_c,_d,_e,_f,_g,_h,_i,_j) 1231 #endif 1232 1233 struct ip6_routing { 1234 u_char ip6r_nxt; /* next header */ 1235 u_char ip6r_len; /* length in units of 8 octets */ 1236 u_char ip6r_type; /* always zero */ 1237 u_char ip6r_segleft; /* segments left */ 1238 u_32_t ip6r_reserved; /* reserved field */ 1239 }; 1240 1241 #endif /* __IP_COMPAT_H__ */ 1242