raw_ip.c revision 101919
1/* 2 * Copyright (c) 1982, 1986, 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)raw_ip.c 8.7 (Berkeley) 5/15/95 34 * $FreeBSD: head/sys/netinet/raw_ip.c 101919 2002-08-15 14:27:46Z rwatson $ 35 */ 36 37#include "opt_inet6.h" 38#include "opt_ipsec.h" 39#include "opt_mac.h" 40#include "opt_random_ip_id.h" 41 42#include <sys/param.h> 43#include <sys/kernel.h> 44#include <sys/lock.h> 45#include <sys/mac.h> 46#include <sys/malloc.h> 47#include <sys/mbuf.h> 48#include <sys/proc.h> 49#include <sys/protosw.h> 50#include <sys/signalvar.h> 51#include <sys/socket.h> 52#include <sys/socketvar.h> 53#include <sys/sx.h> 54#include <sys/sysctl.h> 55#include <sys/systm.h> 56 57#include <vm/uma.h> 58 59#include <net/if.h> 60#include <net/route.h> 61 62#define _IP_VHL 63#include <netinet/in.h> 64#include <netinet/in_systm.h> 65#include <netinet/in_pcb.h> 66#include <netinet/in_var.h> 67#include <netinet/ip.h> 68#include <netinet/ip_var.h> 69#include <netinet/ip_mroute.h> 70 71#include <netinet/ip_fw.h> 72#include <netinet/ip_dummynet.h> 73 74#ifdef IPSEC 75#include <netinet6/ipsec.h> 76#endif /*IPSEC*/ 77 78struct inpcbhead ripcb; 79struct inpcbinfo ripcbinfo; 80 81/* control hooks for ipfw and dummynet */ 82ip_fw_ctl_t *ip_fw_ctl_ptr; 83ip_dn_ctl_t *ip_dn_ctl_ptr; 84 85/* 86 * Nominal space allocated to a raw ip socket. 87 */ 88#define RIPSNDQ 8192 89#define RIPRCVQ 8192 90 91/* 92 * Raw interface to IP protocol. 93 */ 94 95/* 96 * Initialize raw connection block q. 97 */ 98void 99rip_init() 100{ 101 INP_INFO_LOCK_INIT(&ripcbinfo, "rip"); 102 LIST_INIT(&ripcb); 103 ripcbinfo.listhead = &ripcb; 104 /* 105 * XXX We don't use the hash list for raw IP, but it's easier 106 * to allocate a one entry hash list than it is to check all 107 * over the place for hashbase == NULL. 108 */ 109 ripcbinfo.hashbase = hashinit(1, M_PCB, &ripcbinfo.hashmask); 110 ripcbinfo.porthashbase = hashinit(1, M_PCB, &ripcbinfo.porthashmask); 111 ripcbinfo.ipi_zone = uma_zcreate("ripcb", sizeof(struct inpcb), 112 NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_NOFREE); 113 uma_zone_set_max(ripcbinfo.ipi_zone, maxsockets); 114} 115 116static struct sockaddr_in ripsrc = { sizeof(ripsrc), AF_INET }; 117/* 118 * Setup generic address and protocol structures 119 * for raw_input routine, then pass them along with 120 * mbuf chain. 121 */ 122void 123rip_input(m, off) 124 struct mbuf *m; 125 int off; 126{ 127 register struct ip *ip = mtod(m, struct ip *); 128 register struct inpcb *inp; 129 struct inpcb *last = 0; 130 struct mbuf *opts = 0; 131 int proto = ip->ip_p; 132 133 ripsrc.sin_addr = ip->ip_src; 134 LIST_FOREACH(inp, &ripcb, inp_list) { 135#ifdef INET6 136 if ((inp->inp_vflag & INP_IPV4) == 0) 137 continue; 138#endif 139 if (inp->inp_ip_p && inp->inp_ip_p != proto) 140 continue; 141 if (inp->inp_laddr.s_addr && 142 inp->inp_laddr.s_addr != ip->ip_dst.s_addr) 143 continue; 144 if (inp->inp_faddr.s_addr && 145 inp->inp_faddr.s_addr != ip->ip_src.s_addr) 146 continue; 147 if (last) { 148 struct mbuf *n = m_copy(m, 0, (int)M_COPYALL); 149 int policyfail = 0; 150 151 if (n != NULL) { 152#ifdef IPSSEC 153 /* check AH/ESP integrity. */ 154 if (ipsec4_in_reject_so(n, last->inp_socket)) { 155 policyfail = 1; 156 ipsecstat.in_polvio++; 157 /* do not inject data to pcb */ 158 } 159#endif /*IPSEC*/ 160#ifdef MAC 161 if (policyfail == 0 && 162 mac_check_socket_receive(last->inp_socket, 163 n) != 0) 164 policyfail = 1; 165#endif 166 } 167 if (policyfail) 168 m_freem(n); 169 else if (n) { 170 if (last->inp_flags & INP_CONTROLOPTS || 171 last->inp_socket->so_options & SO_TIMESTAMP) 172 ip_savecontrol(last, &opts, ip, n); 173 if (sbappendaddr(&last->inp_socket->so_rcv, 174 (struct sockaddr *)&ripsrc, n, 175 opts) == 0) { 176 /* should notify about lost packet */ 177 m_freem(n); 178 if (opts) 179 m_freem(opts); 180 } else 181 sorwakeup(last->inp_socket); 182 opts = 0; 183 } 184 } 185 last = inp; 186 } 187 if (last) { 188#ifdef IPSEC 189 /* check AH/ESP integrity. */ 190 if (ipsec4_in_reject_so(m, last->inp_socket)) { 191 m_freem(m); 192 ipsecstat.in_polvio++; 193 ipstat.ips_delivered--; 194 /* do not inject data to pcb */ 195 return; 196 } 197#endif /*IPSEC*/ 198#ifdef MAC 199 if (mac_check_socket_receive(last->inp_socket, m) != 0) { 200 m_freem(m); 201 ipstat.ips_delivered--; 202 return; 203 } 204#endif 205 if (last->inp_flags & INP_CONTROLOPTS || 206 last->inp_socket->so_options & SO_TIMESTAMP) 207 ip_savecontrol(last, &opts, ip, m); 208 if (sbappendaddr(&last->inp_socket->so_rcv, 209 (struct sockaddr *)&ripsrc, m, opts) == 0) { 210 m_freem(m); 211 if (opts) 212 m_freem(opts); 213 } else 214 sorwakeup(last->inp_socket); 215 } else { 216 m_freem(m); 217 ipstat.ips_noproto++; 218 ipstat.ips_delivered--; 219 } 220} 221 222/* 223 * Generate IP header and pass packet to ip_output. 224 * Tack on options user may have setup with control call. 225 */ 226int 227rip_output(m, so, dst) 228 struct mbuf *m; 229 struct socket *so; 230 u_long dst; 231{ 232 register struct ip *ip; 233 register struct inpcb *inp = sotoinpcb(so); 234 int flags = (so->so_options & SO_DONTROUTE) | IP_ALLOWBROADCAST; 235 236#ifdef MAC 237 mac_create_mbuf_from_socket(so, m); 238#endif 239 240 /* 241 * If the user handed us a complete IP packet, use it. 242 * Otherwise, allocate an mbuf for a header and fill it in. 243 */ 244 if ((inp->inp_flags & INP_HDRINCL) == 0) { 245 if (m->m_pkthdr.len + sizeof(struct ip) > IP_MAXPACKET) { 246 m_freem(m); 247 return(EMSGSIZE); 248 } 249 M_PREPEND(m, sizeof(struct ip), M_TRYWAIT); 250 ip = mtod(m, struct ip *); 251 ip->ip_tos = inp->inp_ip_tos; 252 ip->ip_off = 0; 253 ip->ip_p = inp->inp_ip_p; 254 ip->ip_len = m->m_pkthdr.len; 255 ip->ip_src = inp->inp_laddr; 256 ip->ip_dst.s_addr = dst; 257 ip->ip_ttl = inp->inp_ip_ttl; 258 } else { 259 if (m->m_pkthdr.len > IP_MAXPACKET) { 260 m_freem(m); 261 return(EMSGSIZE); 262 } 263 ip = mtod(m, struct ip *); 264 /* don't allow both user specified and setsockopt options, 265 and don't allow packet length sizes that will crash */ 266 if (((IP_VHL_HL(ip->ip_vhl) != (sizeof (*ip) >> 2)) 267 && inp->inp_options) 268 || (ip->ip_len > m->m_pkthdr.len) 269 || (ip->ip_len < (IP_VHL_HL(ip->ip_vhl) << 2))) { 270 m_freem(m); 271 return EINVAL; 272 } 273 if (ip->ip_id == 0) 274#ifdef RANDOM_IP_ID 275 ip->ip_id = ip_randomid(); 276#else 277 ip->ip_id = htons(ip_id++); 278#endif 279 /* XXX prevent ip_output from overwriting header fields */ 280 flags |= IP_RAWOUTPUT; 281 ipstat.ips_rawout++; 282 } 283 284#ifdef IPSEC 285 if (ipsec_setsocket(m, so) != 0) { 286 m_freem(m); 287 return ENOBUFS; 288 } 289#endif /*IPSEC*/ 290 291 return (ip_output(m, inp->inp_options, &inp->inp_route, flags, 292 inp->inp_moptions)); 293} 294 295/* 296 * Raw IP socket option processing. 297 */ 298int 299rip_ctloutput(so, sopt) 300 struct socket *so; 301 struct sockopt *sopt; 302{ 303 struct inpcb *inp = sotoinpcb(so); 304 int error, optval; 305 306 if (sopt->sopt_level != IPPROTO_IP) 307 return (EINVAL); 308 309 error = 0; 310 311 switch (sopt->sopt_dir) { 312 case SOPT_GET: 313 switch (sopt->sopt_name) { 314 case IP_HDRINCL: 315 optval = inp->inp_flags & INP_HDRINCL; 316 error = sooptcopyout(sopt, &optval, sizeof optval); 317 break; 318 319 case IP_FW_ADD: /* ADD actually returns the body... */ 320 case IP_FW_GET: 321 if (IPFW_LOADED) 322 error = ip_fw_ctl_ptr(sopt); 323 else 324 error = ENOPROTOOPT; 325 break; 326 327 case IP_DUMMYNET_GET: 328 if (DUMMYNET_LOADED) 329 error = ip_dn_ctl_ptr(sopt); 330 else 331 error = ENOPROTOOPT; 332 break ; 333 334 case MRT_INIT: 335 case MRT_DONE: 336 case MRT_ADD_VIF: 337 case MRT_DEL_VIF: 338 case MRT_ADD_MFC: 339 case MRT_DEL_MFC: 340 case MRT_VERSION: 341 case MRT_ASSERT: 342 error = ip_mrouter_get(so, sopt); 343 break; 344 345 default: 346 error = ip_ctloutput(so, sopt); 347 break; 348 } 349 break; 350 351 case SOPT_SET: 352 switch (sopt->sopt_name) { 353 case IP_HDRINCL: 354 error = sooptcopyin(sopt, &optval, sizeof optval, 355 sizeof optval); 356 if (error) 357 break; 358 if (optval) 359 inp->inp_flags |= INP_HDRINCL; 360 else 361 inp->inp_flags &= ~INP_HDRINCL; 362 break; 363 364 case IP_FW_ADD: 365 case IP_FW_DEL: 366 case IP_FW_FLUSH: 367 case IP_FW_ZERO: 368 case IP_FW_RESETLOG: 369 if (IPFW_LOADED) 370 error = ip_fw_ctl_ptr(sopt); 371 else 372 error = ENOPROTOOPT; 373 break; 374 375 case IP_DUMMYNET_CONFIGURE: 376 case IP_DUMMYNET_DEL: 377 case IP_DUMMYNET_FLUSH: 378 if (DUMMYNET_LOADED) 379 error = ip_dn_ctl_ptr(sopt); 380 else 381 error = ENOPROTOOPT ; 382 break ; 383 384 case IP_RSVP_ON: 385 error = ip_rsvp_init(so); 386 break; 387 388 case IP_RSVP_OFF: 389 error = ip_rsvp_done(); 390 break; 391 392 /* XXX - should be combined */ 393 case IP_RSVP_VIF_ON: 394 error = ip_rsvp_vif_init(so, sopt); 395 break; 396 397 case IP_RSVP_VIF_OFF: 398 error = ip_rsvp_vif_done(so, sopt); 399 break; 400 401 case MRT_INIT: 402 case MRT_DONE: 403 case MRT_ADD_VIF: 404 case MRT_DEL_VIF: 405 case MRT_ADD_MFC: 406 case MRT_DEL_MFC: 407 case MRT_VERSION: 408 case MRT_ASSERT: 409 error = ip_mrouter_set(so, sopt); 410 break; 411 412 default: 413 error = ip_ctloutput(so, sopt); 414 break; 415 } 416 break; 417 } 418 419 return (error); 420} 421 422/* 423 * This function exists solely to receive the PRC_IFDOWN messages which 424 * are sent by if_down(). It looks for an ifaddr whose ifa_addr is sa, 425 * and calls in_ifadown() to remove all routes corresponding to that address. 426 * It also receives the PRC_IFUP messages from if_up() and reinstalls the 427 * interface routes. 428 */ 429void 430rip_ctlinput(cmd, sa, vip) 431 int cmd; 432 struct sockaddr *sa; 433 void *vip; 434{ 435 struct in_ifaddr *ia; 436 struct ifnet *ifp; 437 int err; 438 int flags; 439 440 switch (cmd) { 441 case PRC_IFDOWN: 442 TAILQ_FOREACH(ia, &in_ifaddrhead, ia_link) { 443 if (ia->ia_ifa.ifa_addr == sa 444 && (ia->ia_flags & IFA_ROUTE)) { 445 /* 446 * in_ifscrub kills the interface route. 447 */ 448 in_ifscrub(ia->ia_ifp, ia); 449 /* 450 * in_ifadown gets rid of all the rest of 451 * the routes. This is not quite the right 452 * thing to do, but at least if we are running 453 * a routing process they will come back. 454 */ 455 in_ifadown(&ia->ia_ifa, 0); 456 break; 457 } 458 } 459 break; 460 461 case PRC_IFUP: 462 TAILQ_FOREACH(ia, &in_ifaddrhead, ia_link) { 463 if (ia->ia_ifa.ifa_addr == sa) 464 break; 465 } 466 if (ia == 0 || (ia->ia_flags & IFA_ROUTE)) 467 return; 468 flags = RTF_UP; 469 ifp = ia->ia_ifa.ifa_ifp; 470 471 if ((ifp->if_flags & IFF_LOOPBACK) 472 || (ifp->if_flags & IFF_POINTOPOINT)) 473 flags |= RTF_HOST; 474 475 err = rtinit(&ia->ia_ifa, RTM_ADD, flags); 476 if (err == 0) 477 ia->ia_flags |= IFA_ROUTE; 478 break; 479 } 480} 481 482u_long rip_sendspace = RIPSNDQ; 483u_long rip_recvspace = RIPRCVQ; 484 485SYSCTL_INT(_net_inet_raw, OID_AUTO, maxdgram, CTLFLAG_RW, 486 &rip_sendspace, 0, "Maximum outgoing raw IP datagram size"); 487SYSCTL_INT(_net_inet_raw, OID_AUTO, recvspace, CTLFLAG_RW, 488 &rip_recvspace, 0, "Maximum incoming raw IP datagram size"); 489 490static int 491rip_attach(struct socket *so, int proto, struct thread *td) 492{ 493 struct inpcb *inp; 494 int error, s; 495 496 inp = sotoinpcb(so); 497 if (inp) 498 panic("rip_attach"); 499 if (td && (error = suser(td)) != 0) 500 return error; 501 502 error = soreserve(so, rip_sendspace, rip_recvspace); 503 if (error) 504 return error; 505 s = splnet(); 506 error = in_pcballoc(so, &ripcbinfo, td); 507 splx(s); 508 if (error) 509 return error; 510 inp = (struct inpcb *)so->so_pcb; 511 inp->inp_vflag |= INP_IPV4; 512 inp->inp_ip_p = proto; 513 inp->inp_ip_ttl = ip_defttl; 514 return 0; 515} 516 517static int 518rip_detach(struct socket *so) 519{ 520 struct inpcb *inp; 521 522 inp = sotoinpcb(so); 523 if (inp == 0) 524 panic("rip_detach"); 525 if (so == ip_mrouter) 526 ip_mrouter_done(); 527 ip_rsvp_force_done(so); 528 if (so == ip_rsvpd) 529 ip_rsvp_done(); 530 in_pcbdetach(inp); 531 return 0; 532} 533 534static int 535rip_abort(struct socket *so) 536{ 537 soisdisconnected(so); 538 return rip_detach(so); 539} 540 541static int 542rip_disconnect(struct socket *so) 543{ 544 if ((so->so_state & SS_ISCONNECTED) == 0) 545 return ENOTCONN; 546 return rip_abort(so); 547} 548 549static int 550rip_bind(struct socket *so, struct sockaddr *nam, struct thread *td) 551{ 552 struct inpcb *inp = sotoinpcb(so); 553 struct sockaddr_in *addr = (struct sockaddr_in *)nam; 554 555 if (nam->sa_len != sizeof(*addr)) 556 return EINVAL; 557 558 if (TAILQ_EMPTY(&ifnet) || ((addr->sin_family != AF_INET) && 559 (addr->sin_family != AF_IMPLINK)) || 560 (addr->sin_addr.s_addr && 561 ifa_ifwithaddr((struct sockaddr *)addr) == 0)) 562 return EADDRNOTAVAIL; 563 inp->inp_laddr = addr->sin_addr; 564 return 0; 565} 566 567static int 568rip_connect(struct socket *so, struct sockaddr *nam, struct thread *td) 569{ 570 struct inpcb *inp = sotoinpcb(so); 571 struct sockaddr_in *addr = (struct sockaddr_in *)nam; 572 573 if (nam->sa_len != sizeof(*addr)) 574 return EINVAL; 575 if (TAILQ_EMPTY(&ifnet)) 576 return EADDRNOTAVAIL; 577 if ((addr->sin_family != AF_INET) && 578 (addr->sin_family != AF_IMPLINK)) 579 return EAFNOSUPPORT; 580 inp->inp_faddr = addr->sin_addr; 581 soisconnected(so); 582 return 0; 583} 584 585static int 586rip_shutdown(struct socket *so) 587{ 588 socantsendmore(so); 589 return 0; 590} 591 592static int 593rip_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *nam, 594 struct mbuf *control, struct thread *td) 595{ 596 struct inpcb *inp = sotoinpcb(so); 597 register u_long dst; 598 599 if (so->so_state & SS_ISCONNECTED) { 600 if (nam) { 601 m_freem(m); 602 return EISCONN; 603 } 604 dst = inp->inp_faddr.s_addr; 605 } else { 606 if (nam == NULL) { 607 m_freem(m); 608 return ENOTCONN; 609 } 610 dst = ((struct sockaddr_in *)nam)->sin_addr.s_addr; 611 } 612 return rip_output(m, so, dst); 613} 614 615static int 616rip_pcblist(SYSCTL_HANDLER_ARGS) 617{ 618 int error, i, n, s; 619 struct inpcb *inp, **inp_list; 620 inp_gen_t gencnt; 621 struct xinpgen xig; 622 623 /* 624 * The process of preparing the TCB list is too time-consuming and 625 * resource-intensive to repeat twice on every request. 626 */ 627 if (req->oldptr == 0) { 628 n = ripcbinfo.ipi_count; 629 req->oldidx = 2 * (sizeof xig) 630 + (n + n/8) * sizeof(struct xinpcb); 631 return 0; 632 } 633 634 if (req->newptr != 0) 635 return EPERM; 636 637 /* 638 * OK, now we're committed to doing something. 639 */ 640 s = splnet(); 641 gencnt = ripcbinfo.ipi_gencnt; 642 n = ripcbinfo.ipi_count; 643 splx(s); 644 645 xig.xig_len = sizeof xig; 646 xig.xig_count = n; 647 xig.xig_gen = gencnt; 648 xig.xig_sogen = so_gencnt; 649 error = SYSCTL_OUT(req, &xig, sizeof xig); 650 if (error) 651 return error; 652 653 inp_list = malloc(n * sizeof *inp_list, M_TEMP, M_WAITOK); 654 if (inp_list == 0) 655 return ENOMEM; 656 657 s = splnet(); 658 for (inp = LIST_FIRST(ripcbinfo.listhead), i = 0; inp && i < n; 659 inp = LIST_NEXT(inp, inp_list)) { 660 if (inp->inp_gencnt <= gencnt) { 661 if (cr_canseesocket(req->td->td_ucred, 662 inp->inp_socket)) 663 continue; 664 inp_list[i++] = inp; 665 } 666 } 667 splx(s); 668 n = i; 669 670 error = 0; 671 for (i = 0; i < n; i++) { 672 inp = inp_list[i]; 673 if (inp->inp_gencnt <= gencnt) { 674 struct xinpcb xi; 675 xi.xi_len = sizeof xi; 676 /* XXX should avoid extra copy */ 677 bcopy(inp, &xi.xi_inp, sizeof *inp); 678 if (inp->inp_socket) 679 sotoxsocket(inp->inp_socket, &xi.xi_socket); 680 error = SYSCTL_OUT(req, &xi, sizeof xi); 681 } 682 } 683 if (!error) { 684 /* 685 * Give the user an updated idea of our state. 686 * If the generation differs from what we told 687 * her before, she knows that something happened 688 * while we were processing this request, and it 689 * might be necessary to retry. 690 */ 691 s = splnet(); 692 xig.xig_gen = ripcbinfo.ipi_gencnt; 693 xig.xig_sogen = so_gencnt; 694 xig.xig_count = ripcbinfo.ipi_count; 695 splx(s); 696 error = SYSCTL_OUT(req, &xig, sizeof xig); 697 } 698 free(inp_list, M_TEMP); 699 return error; 700} 701 702/* 703 * This is the wrapper function for in_setsockaddr. We just pass down 704 * the pcbinfo for in_setpeeraddr to lock. 705 */ 706static int 707rip_sockaddr(struct socket *so, struct sockaddr **nam) 708{ 709 return (in_setsockaddr(so, nam, &ripcbinfo)); 710} 711 712/* 713 * This is the wrapper function for in_setpeeraddr. We just pass down 714 * the pcbinfo for in_setpeeraddr to lock. 715 */ 716static int 717rip_peeraddr(struct socket *so, struct sockaddr **nam) 718{ 719 return (in_setpeeraddr(so, nam, &ripcbinfo)); 720} 721 722 723SYSCTL_PROC(_net_inet_raw, OID_AUTO/*XXX*/, pcblist, CTLFLAG_RD, 0, 0, 724 rip_pcblist, "S,xinpcb", "List of active raw IP sockets"); 725 726struct pr_usrreqs rip_usrreqs = { 727 rip_abort, pru_accept_notsupp, rip_attach, rip_bind, rip_connect, 728 pru_connect2_notsupp, in_control, rip_detach, rip_disconnect, 729 pru_listen_notsupp, rip_peeraddr, pru_rcvd_notsupp, 730 pru_rcvoob_notsupp, rip_send, pru_sense_null, rip_shutdown, 731 rip_sockaddr, sosend, soreceive, sopoll 732}; 733