raw_ip.c revision 1.105
1 /* $NetBSD: raw_ip.c,v 1.105 2008/04/12 05:58:22 thorpej Exp $ */ 2 3 /* 4 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the project nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1982, 1986, 1988, 1993 34 * The Regents of the University of California. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. Neither the name of the University nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58 * SUCH DAMAGE. 59 * 60 * @(#)raw_ip.c 8.7 (Berkeley) 5/15/95 61 */ 62 63 #include <sys/cdefs.h> 64 __KERNEL_RCSID(0, "$NetBSD: raw_ip.c,v 1.105 2008/04/12 05:58:22 thorpej Exp $"); 65 66 #include "opt_inet.h" 67 #include "opt_ipsec.h" 68 #include "opt_mrouting.h" 69 70 #include <sys/param.h> 71 #include <sys/sysctl.h> 72 #include <sys/malloc.h> 73 #include <sys/mbuf.h> 74 #include <sys/socket.h> 75 #include <sys/protosw.h> 76 #include <sys/socketvar.h> 77 #include <sys/errno.h> 78 #include <sys/systm.h> 79 #include <sys/proc.h> 80 #include <sys/kauth.h> 81 82 #include <net/if.h> 83 #include <net/route.h> 84 85 #include <netinet/in.h> 86 #include <netinet/in_systm.h> 87 #include <netinet/ip.h> 88 #include <netinet/ip_var.h> 89 #include <netinet/ip_private.h> 90 #include <netinet/ip_mroute.h> 91 #include <netinet/ip_icmp.h> 92 #include <netinet/in_pcb.h> 93 #include <netinet/in_proto.h> 94 #include <netinet/in_var.h> 95 96 #include <machine/stdarg.h> 97 98 #ifdef IPSEC 99 #include <netinet6/ipsec.h> 100 #endif /*IPSEC*/ 101 102 #ifdef FAST_IPSEC 103 #include <netipsec/ipsec.h> 104 #include <netipsec/ipsec_var.h> /* XXX ipsecstat namespace */ 105 #endif /* FAST_IPSEC*/ 106 107 struct inpcbtable rawcbtable; 108 109 int rip_pcbnotify(struct inpcbtable *, struct in_addr, 110 struct in_addr, int, int, void (*)(struct inpcb *, int)); 111 int rip_bind(struct inpcb *, struct mbuf *); 112 int rip_connect(struct inpcb *, struct mbuf *); 113 void rip_disconnect(struct inpcb *); 114 115 /* 116 * Nominal space allocated to a raw ip socket. 117 */ 118 #define RIPSNDQ 8192 119 #define RIPRCVQ 8192 120 121 /* 122 * Raw interface to IP protocol. 123 */ 124 125 /* 126 * Initialize raw connection block q. 127 */ 128 void 129 rip_init(void) 130 { 131 132 in_pcbinit(&rawcbtable, 1, 1); 133 } 134 135 static void 136 rip_sbappendaddr(struct inpcb *last, struct ip *ip, const struct sockaddr *sa, 137 int hlen, struct mbuf *opts, struct mbuf *n) 138 { 139 if (last->inp_flags & INP_NOHEADER) 140 m_adj(n, hlen); 141 if (last->inp_flags & INP_CONTROLOPTS || 142 last->inp_socket->so_options & SO_TIMESTAMP) 143 ip_savecontrol(last, &opts, ip, n); 144 if (sbappendaddr(&last->inp_socket->so_rcv, sa, n, opts) == 0) { 145 /* should notify about lost packet */ 146 m_freem(n); 147 if (opts) 148 m_freem(opts); 149 } else 150 sorwakeup(last->inp_socket); 151 } 152 153 /* 154 * Setup generic address and protocol structures 155 * for raw_input routine, then pass them along with 156 * mbuf chain. 157 */ 158 void 159 rip_input(struct mbuf *m, ...) 160 { 161 int hlen, proto; 162 struct ip *ip = mtod(m, struct ip *); 163 struct inpcb_hdr *inph; 164 struct inpcb *inp; 165 struct inpcb *last = NULL; 166 struct mbuf *n, *opts = NULL; 167 struct sockaddr_in ripsrc; 168 va_list ap; 169 170 va_start(ap, m); 171 (void)va_arg(ap, int); /* ignore value, advance ap */ 172 proto = va_arg(ap, int); 173 va_end(ap); 174 175 sockaddr_in_init(&ripsrc, &ip->ip_src, 0); 176 177 /* 178 * XXX Compatibility: programs using raw IP expect ip_len 179 * XXX to have the header length subtracted, and in host order. 180 * XXX ip_off is also expected to be host order. 181 */ 182 hlen = ip->ip_hl << 2; 183 ip->ip_len = ntohs(ip->ip_len) - hlen; 184 NTOHS(ip->ip_off); 185 186 CIRCLEQ_FOREACH(inph, &rawcbtable.inpt_queue, inph_queue) { 187 inp = (struct inpcb *)inph; 188 if (inp->inp_af != AF_INET) 189 continue; 190 if (inp->inp_ip.ip_p && inp->inp_ip.ip_p != proto) 191 continue; 192 if (!in_nullhost(inp->inp_laddr) && 193 !in_hosteq(inp->inp_laddr, ip->ip_dst)) 194 continue; 195 if (!in_nullhost(inp->inp_faddr) && 196 !in_hosteq(inp->inp_faddr, ip->ip_src)) 197 continue; 198 if (last == NULL) 199 ; 200 #if defined(IPSEC) || defined(FAST_IPSEC) 201 /* check AH/ESP integrity. */ 202 else if (ipsec4_in_reject_so(m, last->inp_socket)) { 203 ipsecstat.in_polvio++; 204 /* do not inject data to pcb */ 205 } 206 #endif /*IPSEC*/ 207 else if ((n = m_copypacket(m, M_DONTWAIT)) != NULL) { 208 rip_sbappendaddr(last, ip, sintosa(&ripsrc), hlen, opts, 209 n); 210 opts = NULL; 211 } 212 last = inp; 213 } 214 #if defined(IPSEC) || defined(FAST_IPSEC) 215 /* check AH/ESP integrity. */ 216 if (last != NULL && ipsec4_in_reject_so(m, last->inp_socket)) { 217 m_freem(m); 218 ipsecstat.in_polvio++; 219 IP_STATDEC(IP_STAT_DELIVERED); 220 /* do not inject data to pcb */ 221 } else 222 #endif /*IPSEC*/ 223 if (last != NULL) 224 rip_sbappendaddr(last, ip, sintosa(&ripsrc), hlen, opts, m); 225 else if (inetsw[ip_protox[ip->ip_p]].pr_input == rip_input) { 226 uint64_t *ips; 227 228 icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PROTOCOL, 229 0, 0); 230 ips = IP_STAT_GETREF(); 231 ips[IP_STAT_NOPROTO]++; 232 ips[IP_STAT_DELIVERED]--; 233 IP_STAT_PUTREF(); 234 } else 235 m_freem(m); 236 return; 237 } 238 239 int 240 rip_pcbnotify(struct inpcbtable *table, 241 struct in_addr faddr, struct in_addr laddr, int proto, int errno, 242 void (*notify)(struct inpcb *, int)) 243 { 244 struct inpcb *inp, *ninp; 245 int nmatch; 246 247 nmatch = 0; 248 for (inp = (struct inpcb *)CIRCLEQ_FIRST(&table->inpt_queue); 249 inp != (struct inpcb *)&table->inpt_queue; 250 inp = ninp) { 251 ninp = (struct inpcb *)inp->inp_queue.cqe_next; 252 if (inp->inp_af != AF_INET) 253 continue; 254 if (inp->inp_ip.ip_p && inp->inp_ip.ip_p != proto) 255 continue; 256 if (in_hosteq(inp->inp_faddr, faddr) && 257 in_hosteq(inp->inp_laddr, laddr)) { 258 (*notify)(inp, errno); 259 nmatch++; 260 } 261 } 262 263 return nmatch; 264 } 265 266 void * 267 rip_ctlinput(int cmd, const struct sockaddr *sa, void *v) 268 { 269 struct ip *ip = v; 270 void (*notify)(struct inpcb *, int) = in_rtchange; 271 int errno; 272 273 if (sa->sa_family != AF_INET || 274 sa->sa_len != sizeof(struct sockaddr_in)) 275 return NULL; 276 if ((unsigned)cmd >= PRC_NCMDS) 277 return NULL; 278 errno = inetctlerrmap[cmd]; 279 if (PRC_IS_REDIRECT(cmd)) 280 notify = in_rtchange, ip = 0; 281 else if (cmd == PRC_HOSTDEAD) 282 ip = 0; 283 else if (errno == 0) 284 return NULL; 285 if (ip) { 286 rip_pcbnotify(&rawcbtable, satocsin(sa)->sin_addr, 287 ip->ip_src, ip->ip_p, errno, notify); 288 289 /* XXX mapped address case */ 290 } else 291 in_pcbnotifyall(&rawcbtable, satocsin(sa)->sin_addr, errno, 292 notify); 293 return NULL; 294 } 295 296 /* 297 * Generate IP header and pass packet to ip_output. 298 * Tack on options user may have setup with control call. 299 */ 300 int 301 rip_output(struct mbuf *m, ...) 302 { 303 struct inpcb *inp; 304 struct ip *ip; 305 struct mbuf *opts; 306 int flags; 307 va_list ap; 308 309 va_start(ap, m); 310 inp = va_arg(ap, struct inpcb *); 311 va_end(ap); 312 313 flags = 314 (inp->inp_socket->so_options & SO_DONTROUTE) | IP_ALLOWBROADCAST 315 | IP_RETURNMTU; 316 317 /* 318 * If the user handed us a complete IP packet, use it. 319 * Otherwise, allocate an mbuf for a header and fill it in. 320 */ 321 if ((inp->inp_flags & INP_HDRINCL) == 0) { 322 if ((m->m_pkthdr.len + sizeof(struct ip)) > IP_MAXPACKET) { 323 m_freem(m); 324 return (EMSGSIZE); 325 } 326 M_PREPEND(m, sizeof(struct ip), M_DONTWAIT); 327 if (!m) 328 return (ENOBUFS); 329 ip = mtod(m, struct ip *); 330 ip->ip_tos = 0; 331 ip->ip_off = htons(0); 332 ip->ip_p = inp->inp_ip.ip_p; 333 ip->ip_len = htons(m->m_pkthdr.len); 334 ip->ip_src = inp->inp_laddr; 335 ip->ip_dst = inp->inp_faddr; 336 ip->ip_ttl = MAXTTL; 337 opts = inp->inp_options; 338 } else { 339 if (m->m_pkthdr.len > IP_MAXPACKET) { 340 m_freem(m); 341 return (EMSGSIZE); 342 } 343 ip = mtod(m, struct ip *); 344 345 /* 346 * If the mbuf is read-only, we need to allocate 347 * a new mbuf for the header, since we need to 348 * modify the header. 349 */ 350 if (M_READONLY(m)) { 351 int hlen = ip->ip_hl << 2; 352 353 m = m_copyup(m, hlen, (max_linkhdr + 3) & ~3); 354 if (m == NULL) 355 return (ENOMEM); /* XXX */ 356 ip = mtod(m, struct ip *); 357 } 358 359 /* XXX userland passes ip_len and ip_off in host order */ 360 if (m->m_pkthdr.len != ip->ip_len) { 361 m_freem(m); 362 return (EINVAL); 363 } 364 HTONS(ip->ip_len); 365 HTONS(ip->ip_off); 366 if (ip->ip_id != 0 || m->m_pkthdr.len < IP_MINFRAGSIZE) 367 flags |= IP_NOIPNEWID; 368 opts = NULL; 369 /* XXX prevent ip_output from overwriting header fields */ 370 flags |= IP_RAWOUTPUT; 371 IP_STATINC(IP_STAT_RAWOUT); 372 } 373 return (ip_output(m, opts, &inp->inp_route, flags, inp->inp_moptions, 374 inp->inp_socket, &inp->inp_errormtu)); 375 } 376 377 /* 378 * Raw IP socket option processing. 379 */ 380 int 381 rip_ctloutput(int op, struct socket *so, int level, int optname, 382 struct mbuf **m) 383 { 384 struct inpcb *inp = sotoinpcb(so); 385 int error = 0; 386 387 if (level == SOL_SOCKET && optname == SO_NOHEADER) { 388 if (op == PRCO_GETOPT) { 389 *m = m_intopt(so, 390 (inp->inp_flags & INP_NOHEADER) ? 1 : 0); 391 return 0; 392 } else if (*m == NULL || (*m)->m_len != sizeof(int)) 393 error = EINVAL; 394 else if (*mtod(*m, int *)) { 395 inp->inp_flags &= ~INP_HDRINCL; 396 inp->inp_flags |= INP_NOHEADER; 397 } else 398 inp->inp_flags &= ~INP_NOHEADER; 399 goto free_m; 400 } else if (level != IPPROTO_IP) 401 return ip_ctloutput(op, so, level, optname, m); 402 403 switch (op) { 404 405 case PRCO_SETOPT: 406 switch (optname) { 407 case IP_HDRINCL: 408 if (*m == NULL || (*m)->m_len != sizeof(int)) 409 error = EINVAL; 410 else if (*mtod(*m, int *)) 411 inp->inp_flags |= INP_HDRINCL; 412 else 413 inp->inp_flags &= ~INP_HDRINCL; 414 goto free_m; 415 416 #ifdef MROUTING 417 case MRT_INIT: 418 case MRT_DONE: 419 case MRT_ADD_VIF: 420 case MRT_DEL_VIF: 421 case MRT_ADD_MFC: 422 case MRT_DEL_MFC: 423 case MRT_ASSERT: 424 case MRT_API_CONFIG: 425 case MRT_ADD_BW_UPCALL: 426 case MRT_DEL_BW_UPCALL: 427 error = ip_mrouter_set(so, optname, m); 428 break; 429 #endif 430 431 default: 432 error = ip_ctloutput(op, so, level, optname, m); 433 break; 434 } 435 break; 436 437 case PRCO_GETOPT: 438 switch (optname) { 439 case IP_HDRINCL: 440 *m = m_intopt(so, inp->inp_flags & INP_HDRINCL ? 1 : 0); 441 break; 442 443 #ifdef MROUTING 444 case MRT_VERSION: 445 case MRT_ASSERT: 446 case MRT_API_SUPPORT: 447 case MRT_API_CONFIG: 448 error = ip_mrouter_get(so, optname, m); 449 break; 450 #endif 451 452 default: 453 error = ip_ctloutput(op, so, level, optname, m); 454 break; 455 } 456 break; 457 } 458 return error; 459 free_m: 460 if (op == PRCO_SETOPT && *m != NULL) 461 (void)m_free(*m); 462 return error; 463 } 464 465 int 466 rip_bind(struct inpcb *inp, struct mbuf *nam) 467 { 468 struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *); 469 470 if (nam->m_len != sizeof(*addr)) 471 return (EINVAL); 472 if (TAILQ_FIRST(&ifnet) == 0) 473 return (EADDRNOTAVAIL); 474 if (addr->sin_family != AF_INET && 475 addr->sin_family != AF_IMPLINK) 476 return (EAFNOSUPPORT); 477 if (!in_nullhost(addr->sin_addr) && 478 ifa_ifwithaddr(sintosa(addr)) == 0) 479 return (EADDRNOTAVAIL); 480 inp->inp_laddr = addr->sin_addr; 481 return (0); 482 } 483 484 int 485 rip_connect(struct inpcb *inp, struct mbuf *nam) 486 { 487 struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *); 488 489 if (nam->m_len != sizeof(*addr)) 490 return (EINVAL); 491 if (TAILQ_FIRST(&ifnet) == 0) 492 return (EADDRNOTAVAIL); 493 if (addr->sin_family != AF_INET && 494 addr->sin_family != AF_IMPLINK) 495 return (EAFNOSUPPORT); 496 inp->inp_faddr = addr->sin_addr; 497 return (0); 498 } 499 500 void 501 rip_disconnect(struct inpcb *inp) 502 { 503 504 inp->inp_faddr = zeroin_addr; 505 } 506 507 u_long rip_sendspace = RIPSNDQ; 508 u_long rip_recvspace = RIPRCVQ; 509 510 /*ARGSUSED*/ 511 int 512 rip_usrreq(struct socket *so, int req, 513 struct mbuf *m, struct mbuf *nam, struct mbuf *control, struct lwp *l) 514 { 515 struct inpcb *inp; 516 int s; 517 int error = 0; 518 #ifdef MROUTING 519 extern struct socket *ip_mrouter; 520 #endif 521 522 if (req == PRU_CONTROL) 523 return (in_control(so, (long)m, (void *)nam, 524 (struct ifnet *)control, l)); 525 526 s = splsoftnet(); 527 528 if (req == PRU_PURGEIF) { 529 in_pcbpurgeif0(&rawcbtable, (struct ifnet *)control); 530 in_purgeif((struct ifnet *)control); 531 in_pcbpurgeif(&rawcbtable, (struct ifnet *)control); 532 splx(s); 533 return (0); 534 } 535 536 inp = sotoinpcb(so); 537 #ifdef DIAGNOSTIC 538 if (req != PRU_SEND && req != PRU_SENDOOB && control) 539 panic("rip_usrreq: unexpected control mbuf"); 540 #endif 541 if (inp == 0 && req != PRU_ATTACH) { 542 error = EINVAL; 543 goto release; 544 } 545 546 switch (req) { 547 548 case PRU_ATTACH: 549 if (inp != 0) { 550 error = EISCONN; 551 break; 552 } 553 554 if (l == NULL) { 555 error = EACCES; 556 break; 557 } 558 559 /* XXX: raw socket permissions are checked in socreate() */ 560 561 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 562 error = soreserve(so, rip_sendspace, rip_recvspace); 563 if (error) 564 break; 565 } 566 error = in_pcballoc(so, &rawcbtable); 567 if (error) 568 break; 569 inp = sotoinpcb(so); 570 inp->inp_ip.ip_p = (long)nam; 571 break; 572 573 case PRU_DETACH: 574 #ifdef MROUTING 575 if (so == ip_mrouter) 576 ip_mrouter_done(); 577 #endif 578 in_pcbdetach(inp); 579 break; 580 581 case PRU_BIND: 582 error = rip_bind(inp, nam); 583 break; 584 585 case PRU_LISTEN: 586 error = EOPNOTSUPP; 587 break; 588 589 case PRU_CONNECT: 590 error = rip_connect(inp, nam); 591 if (error) 592 break; 593 soisconnected(so); 594 break; 595 596 case PRU_CONNECT2: 597 error = EOPNOTSUPP; 598 break; 599 600 case PRU_DISCONNECT: 601 soisdisconnected(so); 602 rip_disconnect(inp); 603 break; 604 605 /* 606 * Mark the connection as being incapable of further input. 607 */ 608 case PRU_SHUTDOWN: 609 socantsendmore(so); 610 break; 611 612 case PRU_RCVD: 613 error = EOPNOTSUPP; 614 break; 615 616 /* 617 * Ship a packet out. The appropriate raw output 618 * routine handles any massaging necessary. 619 */ 620 case PRU_SEND: 621 if (control && control->m_len) { 622 m_freem(control); 623 m_freem(m); 624 error = EINVAL; 625 break; 626 } 627 { 628 if (nam) { 629 if ((so->so_state & SS_ISCONNECTED) != 0) { 630 error = EISCONN; 631 goto die; 632 } 633 error = rip_connect(inp, nam); 634 if (error) { 635 die: 636 m_freem(m); 637 break; 638 } 639 } else { 640 if ((so->so_state & SS_ISCONNECTED) == 0) { 641 error = ENOTCONN; 642 goto die; 643 } 644 } 645 error = rip_output(m, inp); 646 if (nam) 647 rip_disconnect(inp); 648 } 649 break; 650 651 case PRU_SENSE: 652 /* 653 * stat: don't bother with a blocksize. 654 */ 655 splx(s); 656 return (0); 657 658 case PRU_RCVOOB: 659 error = EOPNOTSUPP; 660 break; 661 662 case PRU_SENDOOB: 663 m_freem(control); 664 m_freem(m); 665 error = EOPNOTSUPP; 666 break; 667 668 case PRU_SOCKADDR: 669 in_setsockaddr(inp, nam); 670 break; 671 672 case PRU_PEERADDR: 673 in_setpeeraddr(inp, nam); 674 break; 675 676 default: 677 panic("rip_usrreq"); 678 } 679 680 release: 681 splx(s); 682 return (error); 683 } 684 685 SYSCTL_SETUP(sysctl_net_inet_raw_setup, "sysctl net.inet.raw subtree setup") 686 { 687 688 sysctl_createv(clog, 0, NULL, NULL, 689 CTLFLAG_PERMANENT, 690 CTLTYPE_NODE, "net", NULL, 691 NULL, 0, NULL, 0, 692 CTL_NET, CTL_EOL); 693 sysctl_createv(clog, 0, NULL, NULL, 694 CTLFLAG_PERMANENT, 695 CTLTYPE_NODE, "inet", NULL, 696 NULL, 0, NULL, 0, 697 CTL_NET, PF_INET, CTL_EOL); 698 sysctl_createv(clog, 0, NULL, NULL, 699 CTLFLAG_PERMANENT, 700 CTLTYPE_NODE, "raw", 701 SYSCTL_DESCR("Raw IPv4 settings"), 702 NULL, 0, NULL, 0, 703 CTL_NET, PF_INET, IPPROTO_RAW, CTL_EOL); 704 705 sysctl_createv(clog, 0, NULL, NULL, 706 CTLFLAG_PERMANENT, 707 CTLTYPE_STRUCT, "pcblist", 708 SYSCTL_DESCR("Raw IPv4 control block list"), 709 sysctl_inpcblist, 0, &rawcbtable, 0, 710 CTL_NET, PF_INET, IPPROTO_RAW, 711 CTL_CREATE, CTL_EOL); 712 } 713
Indexes created Mon Sep 29 21:09:56 GMT 2025