raw_ip.c revision 1.112.6.1
1 /* $NetBSD: raw_ip.c,v 1.112.6.1 2012/02/18 07:35:39 mrg 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 1.112.6.1 2012/02/18 07:35:39 mrg Exp $"); 65 66 #include "opt_inet.h" 67 #include "opt_compat_netbsd.h" 68 #include "opt_ipsec.h" 69 #include "opt_mrouting.h" 70 71 #include <sys/param.h> 72 #include <sys/sysctl.h> 73 #include <sys/malloc.h> 74 #include <sys/mbuf.h> 75 #include <sys/socket.h> 76 #include <sys/protosw.h> 77 #include <sys/socketvar.h> 78 #include <sys/errno.h> 79 #include <sys/systm.h> 80 #include <sys/proc.h> 81 #include <sys/kauth.h> 82 83 #include <net/if.h> 84 #include <net/route.h> 85 86 #include <netinet/in.h> 87 #include <netinet/in_systm.h> 88 #include <netinet/ip.h> 89 #include <netinet/ip_var.h> 90 #include <netinet/ip_private.h> 91 #include <netinet/ip_mroute.h> 92 #include <netinet/ip_icmp.h> 93 #include <netinet/in_pcb.h> 94 #include <netinet/in_proto.h> 95 #include <netinet/in_var.h> 96 97 #ifdef KAME_IPSEC 98 #include <netinet6/ipsec.h> 99 #include <netinet6/ipsec_private.h> 100 #endif /* KAME_IPSEC */ 101 102 #ifdef FAST_IPSEC 103 #include <netipsec/ipsec.h> 104 #include <netipsec/ipsec_var.h> 105 #include <netipsec/ipsec_private.h> 106 #endif /* FAST_IPSEC */ 107 108 #ifdef COMPAT_50 109 #include <compat/sys/socket.h> 110 #endif 111 112 struct inpcbtable rawcbtable; 113 114 int rip_pcbnotify(struct inpcbtable *, struct in_addr, 115 struct in_addr, int, int, void (*)(struct inpcb *, int)); 116 int rip_bind(struct inpcb *, struct mbuf *); 117 int rip_connect(struct inpcb *, struct mbuf *); 118 void rip_disconnect(struct inpcb *); 119 120 static void sysctl_net_inet_raw_setup(struct sysctllog **); 121 122 /* 123 * Nominal space allocated to a raw ip socket. 124 */ 125 #define RIPSNDQ 8192 126 #define RIPRCVQ 8192 127 128 /* 129 * Raw interface to IP protocol. 130 */ 131 132 /* 133 * Initialize raw connection block q. 134 */ 135 void 136 rip_init(void) 137 { 138 139 sysctl_net_inet_raw_setup(NULL); 140 in_pcbinit(&rawcbtable, 1, 1); 141 } 142 143 static void 144 rip_sbappendaddr(struct inpcb *last, struct ip *ip, const struct sockaddr *sa, 145 int hlen, struct mbuf *opts, struct mbuf *n) 146 { 147 if (last->inp_flags & INP_NOHEADER) 148 m_adj(n, hlen); 149 if (last->inp_flags & INP_CONTROLOPTS 150 #ifdef SO_OTIMESTAMP 151 || last->inp_socket->so_options & SO_OTIMESTAMP 152 #endif 153 || last->inp_socket->so_options & SO_TIMESTAMP) 154 ip_savecontrol(last, &opts, ip, n); 155 if (sbappendaddr(&last->inp_socket->so_rcv, sa, n, opts) == 0) { 156 /* should notify about lost packet */ 157 m_freem(n); 158 if (opts) 159 m_freem(opts); 160 } else 161 sorwakeup(last->inp_socket); 162 } 163 164 /* 165 * Setup generic address and protocol structures 166 * for raw_input routine, then pass them along with 167 * mbuf chain. 168 */ 169 void 170 rip_input(struct mbuf *m, ...) 171 { 172 int hlen, proto; 173 struct ip *ip = mtod(m, struct ip *); 174 struct inpcb_hdr *inph; 175 struct inpcb *inp; 176 struct inpcb *last = NULL; 177 struct mbuf *n, *opts = NULL; 178 struct sockaddr_in ripsrc; 179 va_list ap; 180 181 va_start(ap, m); 182 (void)va_arg(ap, int); /* ignore value, advance ap */ 183 proto = va_arg(ap, int); 184 va_end(ap); 185 186 sockaddr_in_init(&ripsrc, &ip->ip_src, 0); 187 188 /* 189 * XXX Compatibility: programs using raw IP expect ip_len 190 * XXX to have the header length subtracted, and in host order. 191 * XXX ip_off is also expected to be host order. 192 */ 193 hlen = ip->ip_hl << 2; 194 ip->ip_len = ntohs(ip->ip_len) - hlen; 195 NTOHS(ip->ip_off); 196 197 CIRCLEQ_FOREACH(inph, &rawcbtable.inpt_queue, inph_queue) { 198 inp = (struct inpcb *)inph; 199 if (inp->inp_af != AF_INET) 200 continue; 201 if (inp->inp_ip.ip_p && inp->inp_ip.ip_p != proto) 202 continue; 203 if (!in_nullhost(inp->inp_laddr) && 204 !in_hosteq(inp->inp_laddr, ip->ip_dst)) 205 continue; 206 if (!in_nullhost(inp->inp_faddr) && 207 !in_hosteq(inp->inp_faddr, ip->ip_src)) 208 continue; 209 if (last == NULL) 210 ; 211 #if defined(KAME_IPSEC) || defined(FAST_IPSEC) 212 /* check AH/ESP integrity. */ 213 else if (ipsec4_in_reject_so(m, last->inp_socket)) { 214 IPSEC_STATINC(IPSEC_STAT_IN_POLVIO); 215 /* do not inject data to pcb */ 216 } 217 #endif /*IPSEC*/ 218 else if ((n = m_copypacket(m, M_DONTWAIT)) != NULL) { 219 rip_sbappendaddr(last, ip, sintosa(&ripsrc), hlen, opts, 220 n); 221 opts = NULL; 222 } 223 last = inp; 224 } 225 #if defined(KAME_IPSEC) || defined(FAST_IPSEC) 226 /* check AH/ESP integrity. */ 227 if (last != NULL && ipsec4_in_reject_so(m, last->inp_socket)) { 228 m_freem(m); 229 IPSEC_STATINC(IPSEC_STAT_IN_POLVIO); 230 IP_STATDEC(IP_STAT_DELIVERED); 231 /* do not inject data to pcb */ 232 } else 233 #endif /*IPSEC*/ 234 if (last != NULL) 235 rip_sbappendaddr(last, ip, sintosa(&ripsrc), hlen, opts, m); 236 else if (inetsw[ip_protox[ip->ip_p]].pr_input == rip_input) { 237 uint64_t *ips; 238 239 icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PROTOCOL, 240 0, 0); 241 ips = IP_STAT_GETREF(); 242 ips[IP_STAT_NOPROTO]++; 243 ips[IP_STAT_DELIVERED]--; 244 IP_STAT_PUTREF(); 245 } else 246 m_freem(m); 247 return; 248 } 249 250 int 251 rip_pcbnotify(struct inpcbtable *table, 252 struct in_addr faddr, struct in_addr laddr, int proto, int errno, 253 void (*notify)(struct inpcb *, int)) 254 { 255 struct inpcb *inp, *ninp; 256 int nmatch; 257 258 nmatch = 0; 259 for (inp = (struct inpcb *)CIRCLEQ_FIRST(&table->inpt_queue); 260 inp != (struct inpcb *)&table->inpt_queue; 261 inp = ninp) { 262 ninp = (struct inpcb *)inp->inp_queue.cqe_next; 263 if (inp->inp_af != AF_INET) 264 continue; 265 if (inp->inp_ip.ip_p && inp->inp_ip.ip_p != proto) 266 continue; 267 if (in_hosteq(inp->inp_faddr, faddr) && 268 in_hosteq(inp->inp_laddr, laddr)) { 269 (*notify)(inp, errno); 270 nmatch++; 271 } 272 } 273 274 return nmatch; 275 } 276 277 void * 278 rip_ctlinput(int cmd, const struct sockaddr *sa, void *v) 279 { 280 struct ip *ip = v; 281 void (*notify)(struct inpcb *, int) = in_rtchange; 282 int errno; 283 284 if (sa->sa_family != AF_INET || 285 sa->sa_len != sizeof(struct sockaddr_in)) 286 return NULL; 287 if ((unsigned)cmd >= PRC_NCMDS) 288 return NULL; 289 errno = inetctlerrmap[cmd]; 290 if (PRC_IS_REDIRECT(cmd)) 291 notify = in_rtchange, ip = 0; 292 else if (cmd == PRC_HOSTDEAD) 293 ip = 0; 294 else if (errno == 0) 295 return NULL; 296 if (ip) { 297 rip_pcbnotify(&rawcbtable, satocsin(sa)->sin_addr, 298 ip->ip_src, ip->ip_p, errno, notify); 299 300 /* XXX mapped address case */ 301 } else 302 in_pcbnotifyall(&rawcbtable, satocsin(sa)->sin_addr, errno, 303 notify); 304 return NULL; 305 } 306 307 /* 308 * Generate IP header and pass packet to ip_output. 309 * Tack on options user may have setup with control call. 310 */ 311 int 312 rip_output(struct mbuf *m, ...) 313 { 314 struct inpcb *inp; 315 struct ip *ip; 316 struct mbuf *opts; 317 int flags; 318 va_list ap; 319 320 va_start(ap, m); 321 inp = va_arg(ap, struct inpcb *); 322 va_end(ap); 323 324 flags = 325 (inp->inp_socket->so_options & SO_DONTROUTE) | IP_ALLOWBROADCAST 326 | IP_RETURNMTU; 327 328 /* 329 * If the user handed us a complete IP packet, use it. 330 * Otherwise, allocate an mbuf for a header and fill it in. 331 */ 332 if ((inp->inp_flags & INP_HDRINCL) == 0) { 333 if ((m->m_pkthdr.len + sizeof(struct ip)) > IP_MAXPACKET) { 334 m_freem(m); 335 return (EMSGSIZE); 336 } 337 M_PREPEND(m, sizeof(struct ip), M_DONTWAIT); 338 if (!m) 339 return (ENOBUFS); 340 ip = mtod(m, struct ip *); 341 ip->ip_tos = 0; 342 ip->ip_off = htons(0); 343 ip->ip_p = inp->inp_ip.ip_p; 344 ip->ip_len = htons(m->m_pkthdr.len); 345 ip->ip_src = inp->inp_laddr; 346 ip->ip_dst = inp->inp_faddr; 347 ip->ip_ttl = MAXTTL; 348 opts = inp->inp_options; 349 } else { 350 if (m->m_pkthdr.len > IP_MAXPACKET) { 351 m_freem(m); 352 return (EMSGSIZE); 353 } 354 ip = mtod(m, struct ip *); 355 356 /* 357 * If the mbuf is read-only, we need to allocate 358 * a new mbuf for the header, since we need to 359 * modify the header. 360 */ 361 if (M_READONLY(m)) { 362 int hlen = ip->ip_hl << 2; 363 364 m = m_copyup(m, hlen, (max_linkhdr + 3) & ~3); 365 if (m == NULL) 366 return (ENOMEM); /* XXX */ 367 ip = mtod(m, struct ip *); 368 } 369 370 /* XXX userland passes ip_len and ip_off in host order */ 371 if (m->m_pkthdr.len != ip->ip_len) { 372 m_freem(m); 373 return (EINVAL); 374 } 375 HTONS(ip->ip_len); 376 HTONS(ip->ip_off); 377 if (ip->ip_id != 0 || m->m_pkthdr.len < IP_MINFRAGSIZE) 378 flags |= IP_NOIPNEWID; 379 opts = NULL; 380 /* XXX prevent ip_output from overwriting header fields */ 381 flags |= IP_RAWOUTPUT; 382 IP_STATINC(IP_STAT_RAWOUT); 383 } 384 return (ip_output(m, opts, &inp->inp_route, flags, inp->inp_moptions, 385 inp->inp_socket, &inp->inp_errormtu)); 386 } 387 388 /* 389 * Raw IP socket option processing. 390 */ 391 int 392 rip_ctloutput(int op, struct socket *so, struct sockopt *sopt) 393 { 394 struct inpcb *inp = sotoinpcb(so); 395 int error = 0; 396 int optval; 397 398 if (sopt->sopt_level == SOL_SOCKET && sopt->sopt_name == SO_NOHEADER) { 399 if (op == PRCO_GETOPT) { 400 optval = (inp->inp_flags & INP_NOHEADER) ? 1 : 0; 401 error = sockopt_set(sopt, &optval, sizeof(optval)); 402 } else if (op == PRCO_SETOPT) { 403 error = sockopt_getint(sopt, &optval); 404 if (error) 405 goto out; 406 if (optval) { 407 inp->inp_flags &= ~INP_HDRINCL; 408 inp->inp_flags |= INP_NOHEADER; 409 } else 410 inp->inp_flags &= ~INP_NOHEADER; 411 } 412 goto out; 413 } else if (sopt->sopt_level != IPPROTO_IP) 414 return ip_ctloutput(op, so, sopt); 415 416 switch (op) { 417 418 case PRCO_SETOPT: 419 switch (sopt->sopt_name) { 420 case IP_HDRINCL: 421 error = sockopt_getint(sopt, &optval); 422 if (error) 423 break; 424 if (optval) 425 inp->inp_flags |= INP_HDRINCL; 426 else 427 inp->inp_flags &= ~INP_HDRINCL; 428 break; 429 430 #ifdef MROUTING 431 case MRT_INIT: 432 case MRT_DONE: 433 case MRT_ADD_VIF: 434 case MRT_DEL_VIF: 435 case MRT_ADD_MFC: 436 case MRT_DEL_MFC: 437 case MRT_ASSERT: 438 case MRT_API_CONFIG: 439 case MRT_ADD_BW_UPCALL: 440 case MRT_DEL_BW_UPCALL: 441 error = ip_mrouter_set(so, sopt); 442 break; 443 #endif 444 445 default: 446 error = ip_ctloutput(op, so, sopt); 447 break; 448 } 449 break; 450 451 case PRCO_GETOPT: 452 switch (sopt->sopt_name) { 453 case IP_HDRINCL: 454 optval = inp->inp_flags & INP_HDRINCL; 455 error = sockopt_set(sopt, &optval, sizeof(optval)); 456 break; 457 458 #ifdef MROUTING 459 case MRT_VERSION: 460 case MRT_ASSERT: 461 case MRT_API_SUPPORT: 462 case MRT_API_CONFIG: 463 error = ip_mrouter_get(so, sopt); 464 break; 465 #endif 466 467 default: 468 error = ip_ctloutput(op, so, sopt); 469 break; 470 } 471 break; 472 } 473 out: 474 return error; 475 } 476 477 int 478 rip_bind(struct inpcb *inp, struct mbuf *nam) 479 { 480 struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *); 481 482 if (nam->m_len != sizeof(*addr)) 483 return (EINVAL); 484 if (TAILQ_FIRST(&ifnet) == 0) 485 return (EADDRNOTAVAIL); 486 if (addr->sin_family != AF_INET && 487 addr->sin_family != AF_IMPLINK) 488 return (EAFNOSUPPORT); 489 if (!in_nullhost(addr->sin_addr) && 490 ifa_ifwithaddr(sintosa(addr)) == 0) 491 return (EADDRNOTAVAIL); 492 inp->inp_laddr = addr->sin_addr; 493 return (0); 494 } 495 496 int 497 rip_connect(struct inpcb *inp, struct mbuf *nam) 498 { 499 struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *); 500 501 if (nam->m_len != sizeof(*addr)) 502 return (EINVAL); 503 if (TAILQ_FIRST(&ifnet) == 0) 504 return (EADDRNOTAVAIL); 505 if (addr->sin_family != AF_INET && 506 addr->sin_family != AF_IMPLINK) 507 return (EAFNOSUPPORT); 508 inp->inp_faddr = addr->sin_addr; 509 return (0); 510 } 511 512 void 513 rip_disconnect(struct inpcb *inp) 514 { 515 516 inp->inp_faddr = zeroin_addr; 517 } 518 519 u_long rip_sendspace = RIPSNDQ; 520 u_long rip_recvspace = RIPRCVQ; 521 522 /*ARGSUSED*/ 523 int 524 rip_usrreq(struct socket *so, int req, 525 struct mbuf *m, struct mbuf *nam, struct mbuf *control, struct lwp *l) 526 { 527 struct inpcb *inp; 528 int s; 529 int error = 0; 530 #ifdef MROUTING 531 extern struct socket *ip_mrouter; 532 #endif 533 534 if (req == PRU_CONTROL) 535 return in_control(so, (long)m, nam, (struct ifnet *)control, l); 536 537 s = splsoftnet(); 538 539 if (req == PRU_PURGEIF) { 540 mutex_enter(softnet_lock); 541 in_pcbpurgeif0(&rawcbtable, (struct ifnet *)control); 542 in_purgeif((struct ifnet *)control); 543 in_pcbpurgeif(&rawcbtable, (struct ifnet *)control); 544 mutex_exit(softnet_lock); 545 splx(s); 546 return (0); 547 } 548 549 inp = sotoinpcb(so); 550 #ifdef DIAGNOSTIC 551 if (req != PRU_SEND && req != PRU_SENDOOB && control) 552 panic("rip_usrreq: unexpected control mbuf"); 553 #endif 554 if (inp == NULL && req != PRU_ATTACH) { 555 error = EINVAL; 556 goto release; 557 } 558 559 switch (req) { 560 561 case PRU_ATTACH: 562 sosetlock(so); 563 if (inp != 0) { 564 error = EISCONN; 565 break; 566 } 567 568 if (l == NULL) { 569 error = EACCES; 570 break; 571 } 572 573 /* XXX: raw socket permissions are checked in socreate() */ 574 575 if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { 576 error = soreserve(so, rip_sendspace, rip_recvspace); 577 if (error) 578 break; 579 } 580 error = in_pcballoc(so, &rawcbtable); 581 if (error) 582 break; 583 inp = sotoinpcb(so); 584 inp->inp_ip.ip_p = (long)nam; 585 break; 586 587 case PRU_DETACH: 588 #ifdef MROUTING 589 if (so == ip_mrouter) 590 ip_mrouter_done(); 591 #endif 592 in_pcbdetach(inp); 593 break; 594 595 case PRU_BIND: 596 error = rip_bind(inp, nam); 597 break; 598 599 case PRU_LISTEN: 600 error = EOPNOTSUPP; 601 break; 602 603 case PRU_CONNECT: 604 error = rip_connect(inp, nam); 605 if (error) 606 break; 607 soisconnected(so); 608 break; 609 610 case PRU_CONNECT2: 611 error = EOPNOTSUPP; 612 break; 613 614 case PRU_DISCONNECT: 615 soisdisconnected(so); 616 rip_disconnect(inp); 617 break; 618 619 /* 620 * Mark the connection as being incapable of further input. 621 */ 622 case PRU_SHUTDOWN: 623 socantsendmore(so); 624 break; 625 626 case PRU_RCVD: 627 error = EOPNOTSUPP; 628 break; 629 630 /* 631 * Ship a packet out. The appropriate raw output 632 * routine handles any massaging necessary. 633 */ 634 case PRU_SEND: 635 if (control && control->m_len) { 636 m_freem(control); 637 m_freem(m); 638 error = EINVAL; 639 break; 640 } 641 { 642 if (nam) { 643 if ((so->so_state & SS_ISCONNECTED) != 0) { 644 error = EISCONN; 645 goto die; 646 } 647 error = rip_connect(inp, nam); 648 if (error) { 649 die: 650 m_freem(m); 651 break; 652 } 653 } else { 654 if ((so->so_state & SS_ISCONNECTED) == 0) { 655 error = ENOTCONN; 656 goto die; 657 } 658 } 659 error = rip_output(m, inp); 660 if (nam) 661 rip_disconnect(inp); 662 } 663 break; 664 665 case PRU_SENSE: 666 /* 667 * stat: don't bother with a blocksize. 668 */ 669 splx(s); 670 return (0); 671 672 case PRU_RCVOOB: 673 error = EOPNOTSUPP; 674 break; 675 676 case PRU_SENDOOB: 677 m_freem(control); 678 m_freem(m); 679 error = EOPNOTSUPP; 680 break; 681 682 case PRU_SOCKADDR: 683 in_setsockaddr(inp, nam); 684 break; 685 686 case PRU_PEERADDR: 687 in_setpeeraddr(inp, nam); 688 break; 689 690 default: 691 panic("rip_usrreq"); 692 } 693 694 release: 695 splx(s); 696 return (error); 697 } 698 699 static void 700 sysctl_net_inet_raw_setup(struct sysctllog **clog) 701 { 702 703 sysctl_createv(clog, 0, NULL, NULL, 704 CTLFLAG_PERMANENT, 705 CTLTYPE_NODE, "net", NULL, 706 NULL, 0, NULL, 0, 707 CTL_NET, CTL_EOL); 708 sysctl_createv(clog, 0, NULL, NULL, 709 CTLFLAG_PERMANENT, 710 CTLTYPE_NODE, "inet", NULL, 711 NULL, 0, NULL, 0, 712 CTL_NET, PF_INET, CTL_EOL); 713 sysctl_createv(clog, 0, NULL, NULL, 714 CTLFLAG_PERMANENT, 715 CTLTYPE_NODE, "raw", 716 SYSCTL_DESCR("Raw IPv4 settings"), 717 NULL, 0, NULL, 0, 718 CTL_NET, PF_INET, IPPROTO_RAW, CTL_EOL); 719 720 sysctl_createv(clog, 0, NULL, NULL, 721 CTLFLAG_PERMANENT, 722 CTLTYPE_STRUCT, "pcblist", 723 SYSCTL_DESCR("Raw IPv4 control block list"), 724 sysctl_inpcblist, 0, &rawcbtable, 0, 725 CTL_NET, PF_INET, IPPROTO_RAW, 726 CTL_CREATE, CTL_EOL); 727 } 728
Indexes created Mon Sep 29 21:09:56 GMT 2025