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: src/sys/netinet/raw_ip.c,v 1.64.2.15 2003/01/24 10:52:50 hsu Exp $ 35 * $DragonFly: src/sys/netinet/raw_ip.c,v 1.5 2003/08/07 21:17:33 dillon Exp $ 36 */ 37 38 #include "opt_inet6.h" 39 #include "opt_ipsec.h" 40 #include "opt_random_ip_id.h" 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/kernel.h> 45 #include <sys/malloc.h> 46 #include <sys/mbuf.h> 47 #include <sys/proc.h> 48 #include <sys/protosw.h> 49 #include <sys/socket.h> 50 #include <sys/socketvar.h> 51 #include <sys/sysctl.h> 52 53 #include <vm/vm_zone.h> 54 55 #include <net/if.h> 56 #include <net/route.h> 57 58 #define _IP_VHL 59 #include <netinet/in.h> 60 #include <netinet/in_systm.h> 61 #include <netinet/ip.h> 62 #include <netinet/in_pcb.h> 63 #include <netinet/in_var.h> 64 #include <netinet/ip_var.h> 65 66 #include <net/ip_mroute/ip_mroute.h> 67 #include <net/ipfw/ip_fw.h> 68 #include <net/dummynet/ip_dummynet.h> 69 70 #ifdef FAST_IPSEC 71 #include <netipsec/ipsec.h> 72 #endif /*FAST_IPSEC*/ 73 74 #ifdef IPSEC 75 #include <netinet6/ipsec.h> 76 #endif /*IPSEC*/ 77 78 struct inpcbhead ripcb; 79 struct inpcbinfo ripcbinfo; 80 81 /* control hooks for ipfw and dummynet */ 82 ip_fw_ctl_t *ip_fw_ctl_ptr; 83 ip_dn_ctl_t *ip_dn_ctl_ptr; 84 85 /* 86 * hooks for multicast routing. They all default to NULL, 87 * so leave them not initialized and rely on BSS being set to 0. 88 */ 89 90 /* The socket used to communicate with the multicast routing daemon. */ 91 struct socket *ip_mrouter; 92 93 /* The various mrouter and rsvp functions */ 94 int (*ip_mrouter_set)(struct socket *, struct sockopt *); 95 int (*ip_mrouter_get)(struct socket *, struct sockopt *); 96 int (*ip_mrouter_done)(void); 97 int (*ip_mforward)(struct ip *, struct ifnet *, struct mbuf *, 98 struct ip_moptions *); 99 int (*mrt_ioctl)(int, caddr_t); 100 int (*legal_vif_num)(int); 101 u_long (*ip_mcast_src)(int); 102 103 void (*rsvp_input_p)(struct mbuf *m, int off, int proto); 104 int (*ip_rsvp_vif)(struct socket *, struct sockopt *); 105 void (*ip_rsvp_force_done)(struct socket *); 106 107 /* 108 * Nominal space allocated to a raw ip socket. 109 */ 110 #define RIPSNDQ 8192 111 #define RIPRCVQ 8192 112 113 /* 114 * Raw interface to IP protocol. 115 */ 116 117 /* 118 * Initialize raw connection block queue. 119 */ 120 void 121 rip_init(void) 122 { 123 LIST_INIT(&ripcb); 124 ripcbinfo.listhead = &ripcb; 125 /* 126 * XXX We don't use the hash list for raw IP, but it's easier 127 * to allocate a one entry hash list than it is to check all 128 * over the place for hashbase == NULL. 129 */ 130 ripcbinfo.hashbase = hashinit(1, M_PCB, &ripcbinfo.hashmask); 131 ripcbinfo.porthashbase = hashinit(1, M_PCB, &ripcbinfo.porthashmask); 132 ripcbinfo.ipi_zone = zinit("ripcb", sizeof(struct inpcb), 133 maxsockets, ZONE_INTERRUPT, 0); 134 } 135 136 /* 137 * XXX ripsrc is modified in rip_input, so we must be fix this 138 * when we want to make this code smp-friendly. 139 */ 140 static struct sockaddr_in ripsrc = { sizeof(ripsrc), AF_INET }; 141 142 /* 143 * Setup generic address and protocol structures 144 * for raw_input routine, then pass them along with 145 * mbuf chain. 146 */ 147 void 148 rip_input(struct mbuf *m, int off, int proto) 149 { 150 struct ip *ip = mtod(m, struct ip *); 151 struct inpcb *inp; 152 struct inpcb *last = NULL; 153 struct mbuf *opts = NULL; 154 155 ripsrc.sin_addr = ip->ip_src; 156 LIST_FOREACH(inp, &ripcb, inp_list) { 157 #ifdef INET6 158 if ((inp->inp_vflag & INP_IPV4) == 0) 159 continue; 160 #endif 161 if (inp->inp_ip_p && inp->inp_ip_p != proto) 162 continue; 163 if (inp->inp_laddr.s_addr != INADDR_ANY && 164 inp->inp_laddr.s_addr != ip->ip_dst.s_addr) 165 continue; 166 if (inp->inp_faddr.s_addr != INADDR_ANY && 167 inp->inp_faddr.s_addr != ip->ip_src.s_addr) 168 continue; 169 if (last) { 170 struct mbuf *n = m_copypacket(m, M_DONTWAIT); 171 172 #ifdef IPSEC 173 /* check AH/ESP integrity. */ 174 if (n && ipsec4_in_reject_so(n, last->inp_socket)) { 175 m_freem(n); 176 ipsecstat.in_polvio++; 177 /* do not inject data to pcb */ 178 } else 179 #endif /*IPSEC*/ 180 #ifdef FAST_IPSEC 181 /* check AH/ESP integrity. */ 182 if (ipsec4_in_reject(n, last)) { 183 m_freem(n); 184 /* do not inject data to pcb */ 185 } else 186 #endif /*FAST_IPSEC*/ 187 if (n) { 188 if (last->inp_flags & INP_CONTROLOPTS || 189 last->inp_socket->so_options & SO_TIMESTAMP) 190 ip_savecontrol(last, &opts, ip, n); 191 if (sbappendaddr(&last->inp_socket->so_rcv, 192 (struct sockaddr *)&ripsrc, n, 193 opts) == 0) { 194 /* should notify about lost packet */ 195 m_freem(n); 196 if (opts) 197 m_freem(opts); 198 } else 199 sorwakeup(last->inp_socket); 200 opts = 0; 201 } 202 } 203 last = inp; 204 } 205 #ifdef IPSEC 206 /* check AH/ESP integrity. */ 207 if (last && ipsec4_in_reject_so(m, last->inp_socket)) { 208 m_freem(m); 209 ipsecstat.in_polvio++; 210 ipstat.ips_delivered--; 211 /* do not inject data to pcb */ 212 } else 213 #endif /*IPSEC*/ 214 #ifdef FAST_IPSEC 215 /* check AH/ESP integrity. */ 216 if (last && ipsec4_in_reject(m, last)) { 217 m_freem(m); 218 ipstat.ips_delivered--; 219 /* do not inject data to pcb */ 220 } else 221 #endif /*FAST_IPSEC*/ 222 if (last) { 223 if (last->inp_flags & INP_CONTROLOPTS || 224 last->inp_socket->so_options & SO_TIMESTAMP) 225 ip_savecontrol(last, &opts, ip, m); 226 if (sbappendaddr(&last->inp_socket->so_rcv, 227 (struct sockaddr *)&ripsrc, m, opts) == 0) { 228 m_freem(m); 229 if (opts) 230 m_freem(opts); 231 } else 232 sorwakeup(last->inp_socket); 233 } else { 234 m_freem(m); 235 ipstat.ips_noproto++; 236 ipstat.ips_delivered--; 237 } 238 } 239 240 /* 241 * Generate IP header and pass packet to ip_output. 242 * Tack on options user may have setup with control call. 243 */ 244 int 245 rip_output(struct mbuf *m, struct socket *so, u_long dst) 246 { 247 struct ip *ip; 248 struct inpcb *inp = sotoinpcb(so); 249 int flags = (so->so_options & SO_DONTROUTE) | IP_ALLOWBROADCAST; 250 251 /* 252 * If the user handed us a complete IP packet, use it. 253 * Otherwise, allocate an mbuf for a header and fill it in. 254 */ 255 if ((inp->inp_flags & INP_HDRINCL) == 0) { 256 if (m->m_pkthdr.len + sizeof(struct ip) > IP_MAXPACKET) { 257 m_freem(m); 258 return(EMSGSIZE); 259 } 260 M_PREPEND(m, sizeof(struct ip), M_WAIT); 261 ip = mtod(m, struct ip *); 262 ip->ip_tos = inp->inp_ip_tos; 263 ip->ip_off = 0; 264 ip->ip_p = inp->inp_ip_p; 265 ip->ip_len = m->m_pkthdr.len; 266 ip->ip_src = inp->inp_laddr; 267 ip->ip_dst.s_addr = dst; 268 ip->ip_ttl = inp->inp_ip_ttl; 269 } else { 270 if (m->m_pkthdr.len > IP_MAXPACKET) { 271 m_freem(m); 272 return(EMSGSIZE); 273 } 274 ip = mtod(m, struct ip *); 275 /* don't allow both user specified and setsockopt options, 276 and don't allow packet length sizes that will crash */ 277 if (((IP_VHL_HL(ip->ip_vhl) != (sizeof (*ip) >> 2)) 278 && inp->inp_options) 279 || (ip->ip_len > m->m_pkthdr.len) 280 || (ip->ip_len < (IP_VHL_HL(ip->ip_vhl) << 2))) { 281 m_freem(m); 282 return EINVAL; 283 } 284 if (ip->ip_id == 0) 285 #ifdef RANDOM_IP_ID 286 ip->ip_id = ip_randomid(); 287 #else 288 ip->ip_id = htons(ip_id++); 289 #endif 290 /* XXX prevent ip_output from overwriting header fields */ 291 flags |= IP_RAWOUTPUT; 292 ipstat.ips_rawout++; 293 } 294 295 return (ip_output(m, inp->inp_options, &inp->inp_route, flags, 296 inp->inp_moptions, inp)); 297 } 298 299 /* 300 * Raw IP socket option processing. 301 */ 302 int 303 rip_ctloutput(struct socket *so, struct sockopt *sopt) 304 { 305 struct inpcb *inp = sotoinpcb(so); 306 int error, optval; 307 308 if (sopt->sopt_level != IPPROTO_IP) 309 return (EINVAL); 310 311 error = 0; 312 313 switch (sopt->sopt_dir) { 314 case SOPT_GET: 315 switch (sopt->sopt_name) { 316 case IP_HDRINCL: 317 optval = inp->inp_flags & INP_HDRINCL; 318 error = sooptcopyout(sopt, &optval, sizeof optval); 319 break; 320 321 case IP_FW_ADD: /* ADD actually returns the body... */ 322 case IP_FW_GET: 323 if (IPFW_LOADED) 324 error = ip_fw_ctl_ptr(sopt); 325 else 326 error = ENOPROTOOPT; 327 break; 328 329 case IP_DUMMYNET_GET: 330 if (DUMMYNET_LOADED) 331 error = ip_dn_ctl_ptr(sopt); 332 else 333 error = ENOPROTOOPT; 334 break ; 335 336 case MRT_INIT: 337 case MRT_DONE: 338 case MRT_ADD_VIF: 339 case MRT_DEL_VIF: 340 case MRT_ADD_MFC: 341 case MRT_DEL_MFC: 342 case MRT_VERSION: 343 case MRT_ASSERT: 344 error = ip_mrouter_get ? ip_mrouter_get(so, sopt) : 345 EOPNOTSUPP; 346 break; 347 348 default: 349 error = ip_ctloutput(so, sopt); 350 break; 351 } 352 break; 353 354 case SOPT_SET: 355 switch (sopt->sopt_name) { 356 case IP_HDRINCL: 357 error = sooptcopyin(sopt, &optval, sizeof optval, 358 sizeof optval); 359 if (error) 360 break; 361 if (optval) 362 inp->inp_flags |= INP_HDRINCL; 363 else 364 inp->inp_flags &= ~INP_HDRINCL; 365 break; 366 367 case IP_FW_ADD: 368 case IP_FW_DEL: 369 case IP_FW_FLUSH: 370 case IP_FW_ZERO: 371 case IP_FW_RESETLOG: 372 if (IPFW_LOADED) 373 error = ip_fw_ctl_ptr(sopt); 374 else 375 error = ENOPROTOOPT; 376 break; 377 378 case IP_DUMMYNET_CONFIGURE: 379 case IP_DUMMYNET_DEL: 380 case IP_DUMMYNET_FLUSH: 381 if (DUMMYNET_LOADED) 382 error = ip_dn_ctl_ptr(sopt); 383 else 384 error = ENOPROTOOPT ; 385 break ; 386 387 case IP_RSVP_ON: 388 error = ip_rsvp_init(so); 389 break; 390 391 case IP_RSVP_OFF: 392 error = ip_rsvp_done(); 393 break; 394 395 case IP_RSVP_VIF_ON: 396 case IP_RSVP_VIF_OFF: 397 error = ip_rsvp_vif ? 398 ip_rsvp_vif(so, sopt) : EINVAL; 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 ? ip_mrouter_set(so, sopt) : 410 EOPNOTSUPP; 411 break; 412 413 default: 414 error = ip_ctloutput(so, sopt); 415 break; 416 } 417 break; 418 } 419 420 return (error); 421 } 422 423 /* 424 * This function exists solely to receive the PRC_IFDOWN messages which 425 * are sent by if_down(). It looks for an ifaddr whose ifa_addr is sa, 426 * and calls in_ifadown() to remove all routes corresponding to that address. 427 * It also receives the PRC_IFUP messages from if_up() and reinstalls the 428 * interface routes. 429 */ 430 void 431 rip_ctlinput(int cmd, struct sockaddr *sa, void *vip) 432 { 433 struct in_ifaddr *ia; 434 struct ifnet *ifp; 435 int err; 436 int flags; 437 438 switch (cmd) { 439 case PRC_IFDOWN: 440 TAILQ_FOREACH(ia, &in_ifaddrhead, ia_link) { 441 if (ia->ia_ifa.ifa_addr == sa 442 && (ia->ia_flags & IFA_ROUTE)) { 443 /* 444 * in_ifscrub kills the interface route. 445 */ 446 in_ifscrub(ia->ia_ifp, ia); 447 /* 448 * in_ifadown gets rid of all the rest of 449 * the routes. This is not quite the right 450 * thing to do, but at least if we are running 451 * a routing process they will come back. 452 */ 453 in_ifadown(&ia->ia_ifa, 0); 454 break; 455 } 456 } 457 break; 458 459 case PRC_IFUP: 460 TAILQ_FOREACH(ia, &in_ifaddrhead, ia_link) { 461 if (ia->ia_ifa.ifa_addr == sa) 462 break; 463 } 464 if (ia == 0 || (ia->ia_flags & IFA_ROUTE)) 465 return; 466 flags = RTF_UP; 467 ifp = ia->ia_ifa.ifa_ifp; 468 469 if ((ifp->if_flags & IFF_LOOPBACK) 470 || (ifp->if_flags & IFF_POINTOPOINT)) 471 flags |= RTF_HOST; 472 473 err = rtinit(&ia->ia_ifa, RTM_ADD, flags); 474 if (err == 0) 475 ia->ia_flags |= IFA_ROUTE; 476 break; 477 } 478 } 479 480 u_long rip_sendspace = RIPSNDQ; 481 u_long rip_recvspace = RIPRCVQ; 482 483 SYSCTL_INT(_net_inet_raw, OID_AUTO, maxdgram, CTLFLAG_RW, 484 &rip_sendspace, 0, "Maximum outgoing raw IP datagram size"); 485 SYSCTL_INT(_net_inet_raw, OID_AUTO, recvspace, CTLFLAG_RW, 486 &rip_recvspace, 0, "Maximum incoming raw IP datagram size"); 487 488 static int 489 rip_attach(struct socket *so, int proto, struct thread *td) 490 { 491 struct inpcb *inp; 492 int error, s; 493 494 inp = sotoinpcb(so); 495 if (inp) 496 panic("rip_attach"); 497 if ((error = suser(td)) != 0) 498 return error; 499 500 error = soreserve(so, rip_sendspace, rip_recvspace); 501 if (error) 502 return error; 503 s = splnet(); 504 error = in_pcballoc(so, &ripcbinfo, td); 505 splx(s); 506 if (error) 507 return error; 508 inp = (struct inpcb *)so->so_pcb; 509 inp->inp_vflag |= INP_IPV4; 510 inp->inp_ip_p = proto; 511 inp->inp_ip_ttl = ip_defttl; 512 return 0; 513 } 514 515 static int 516 rip_detach(struct socket *so) 517 { 518 struct inpcb *inp; 519 520 inp = sotoinpcb(so); 521 if (inp == 0) 522 panic("rip_detach"); 523 if (so == ip_mrouter && ip_mrouter_done) 524 ip_mrouter_done(); 525 if (ip_rsvp_force_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 if (so->so_state & SS_NOFDREF) 538 return rip_detach(so); 539 return 0; 540 } 541 542 static int 543 rip_disconnect(struct socket *so) 544 { 545 if ((so->so_state & SS_ISCONNECTED) == 0) 546 return ENOTCONN; 547 return rip_abort(so); 548 } 549 550 static int 551 rip_bind(struct socket *so, struct sockaddr *nam, struct thread *td) 552 { 553 struct inpcb *inp = sotoinpcb(so); 554 struct sockaddr_in *addr = (struct sockaddr_in *)nam; 555 556 if (nam->sa_len != sizeof(*addr)) 557 return EINVAL; 558 559 if (TAILQ_EMPTY(&ifnet) || ((addr->sin_family != AF_INET) && 560 (addr->sin_family != AF_IMPLINK)) || 561 (addr->sin_addr.s_addr != INADDR_ANY && 562 ifa_ifwithaddr((struct sockaddr *)addr) == 0)) 563 return EADDRNOTAVAIL; 564 inp->inp_laddr = addr->sin_addr; 565 return 0; 566 } 567 568 static int 569 rip_connect(struct socket *so, struct sockaddr *nam, struct thread *td) 570 { 571 struct inpcb *inp = sotoinpcb(so); 572 struct sockaddr_in *addr = (struct sockaddr_in *)nam; 573 574 if (nam->sa_len != sizeof(*addr)) 575 return EINVAL; 576 if (TAILQ_EMPTY(&ifnet)) 577 return EADDRNOTAVAIL; 578 if ((addr->sin_family != AF_INET) && 579 (addr->sin_family != AF_IMPLINK)) 580 return EAFNOSUPPORT; 581 inp->inp_faddr = addr->sin_addr; 582 soisconnected(so); 583 return 0; 584 } 585 586 static int 587 rip_shutdown(struct socket *so) 588 { 589 socantsendmore(so); 590 return 0; 591 } 592 593 static int 594 rip_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *nam, 595 struct mbuf *control, struct thread *td) 596 { 597 struct inpcb *inp = sotoinpcb(so); 598 u_long dst; 599 600 if (so->so_state & SS_ISCONNECTED) { 601 if (nam) { 602 m_freem(m); 603 return EISCONN; 604 } 605 dst = inp->inp_faddr.s_addr; 606 } else { 607 if (nam == NULL) { 608 m_freem(m); 609 return ENOTCONN; 610 } 611 dst = ((struct sockaddr_in *)nam)->sin_addr.s_addr; 612 } 613 return rip_output(m, so, dst); 614 } 615 616 static int 617 rip_pcblist(SYSCTL_HANDLER_ARGS) 618 { 619 int error, i, n, s; 620 struct inpcb *inp, **inp_list; 621 inp_gen_t gencnt; 622 struct xinpgen xig; 623 624 /* 625 * The process of preparing the TCB list is too time-consuming and 626 * resource-intensive to repeat twice on every request. 627 */ 628 if (req->oldptr == 0) { 629 n = ripcbinfo.ipi_count; 630 req->oldidx = 2 * (sizeof xig) 631 + (n + n/8) * sizeof(struct xinpcb); 632 return 0; 633 } 634 635 if (req->newptr != 0) 636 return EPERM; 637 638 /* 639 * OK, now we're committed to doing something. 640 */ 641 s = splnet(); 642 gencnt = ripcbinfo.ipi_gencnt; 643 n = ripcbinfo.ipi_count; 644 splx(s); 645 646 xig.xig_len = sizeof xig; 647 xig.xig_count = n; 648 xig.xig_gen = gencnt; 649 xig.xig_sogen = so_gencnt; 650 error = SYSCTL_OUT(req, &xig, sizeof xig); 651 if (error) 652 return error; 653 654 inp_list = malloc(n * sizeof *inp_list, M_TEMP, M_WAITOK); 655 if (inp_list == 0) 656 return ENOMEM; 657 658 s = splnet(); 659 for (inp = LIST_FIRST(ripcbinfo.listhead), i = 0; inp && i < n; 660 inp = LIST_NEXT(inp, inp_list)) { 661 if (inp->inp_gencnt <= gencnt) 662 inp_list[i++] = inp; 663 } 664 splx(s); 665 n = i; 666 667 error = 0; 668 for (i = 0; i < n; i++) { 669 inp = inp_list[i]; 670 if (inp->inp_gencnt <= gencnt) { 671 struct xinpcb xi; 672 xi.xi_len = sizeof xi; 673 /* XXX should avoid extra copy */ 674 bcopy(inp, &xi.xi_inp, sizeof *inp); 675 if (inp->inp_socket) 676 sotoxsocket(inp->inp_socket, &xi.xi_socket); 677 error = SYSCTL_OUT(req, &xi, sizeof xi); 678 } 679 } 680 if (!error) { 681 /* 682 * Give the user an updated idea of our state. 683 * If the generation differs from what we told 684 * her before, she knows that something happened 685 * while we were processing this request, and it 686 * might be necessary to retry. 687 */ 688 s = splnet(); 689 xig.xig_gen = ripcbinfo.ipi_gencnt; 690 xig.xig_sogen = so_gencnt; 691 xig.xig_count = ripcbinfo.ipi_count; 692 splx(s); 693 error = SYSCTL_OUT(req, &xig, sizeof xig); 694 } 695 free(inp_list, M_TEMP); 696 return error; 697 } 698 699 SYSCTL_PROC(_net_inet_raw, OID_AUTO/*XXX*/, pcblist, CTLFLAG_RD, 0, 0, 700 rip_pcblist, "S,xinpcb", "List of active raw IP sockets"); 701 702 struct pr_usrreqs rip_usrreqs = { 703 rip_abort, pru_accept_notsupp, rip_attach, rip_bind, rip_connect, 704 pru_connect2_notsupp, in_control, rip_detach, rip_disconnect, 705 pru_listen_notsupp, in_setpeeraddr, pru_rcvd_notsupp, 706 pru_rcvoob_notsupp, rip_send, pru_sense_null, rip_shutdown, 707 in_setsockaddr, sosend, soreceive, sopoll 708 }; 709