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