2 * Copyright (c) 1982, 1986, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)raw_ip.c 8.7 (Berkeley) 5/15/95
33 #include "opt_inet6.h"
34 #include "opt_ipsec.h"
37 #include <sys/param.h>
39 #include <sys/kernel.h>
41 #include <sys/malloc.h>
45 #include <sys/protosw.h>
46 #include <sys/signalvar.h>
47 #include <sys/socket.h>
48 #include <sys/socketvar.h>
50 #include <sys/sysctl.h>
51 #include <sys/systm.h>
56 #include <net/route.h>
58 #include <netinet/in.h>
59 #include <netinet/in_systm.h>
60 #include <netinet/in_pcb.h>
61 #include <netinet/in_var.h>
62 #include <netinet/ip.h>
63 #include <netinet/ip_var.h>
64 #include <netinet/ip_mroute.h>
66 #include <netinet/ip_fw.h>
67 #include <netinet/ip_dummynet.h>
70 #include <netipsec/ipsec.h>
74 #include <netinet6/ipsec.h>
77 #include <security/mac/mac_framework.h>
79 struct inpcbhead ripcb;
80 struct inpcbinfo ripcbinfo;
82 /* control hooks for ipfw and dummynet */
83 ip_fw_ctl_t *ip_fw_ctl_ptr = NULL;
84 ip_dn_ctl_t *ip_dn_ctl_ptr = NULL;
87 * hooks for multicast routing. They all default to NULL,
88 * so leave them not initialized and rely on BSS being set to 0.
91 /* The socket used to communicate with the multicast routing daemon. */
92 struct socket *ip_mrouter;
94 /* The various mrouter and rsvp functions */
95 int (*ip_mrouter_set)(struct socket *, struct sockopt *);
96 int (*ip_mrouter_get)(struct socket *, struct sockopt *);
97 int (*ip_mrouter_done)(void);
98 int (*ip_mforward)(struct ip *, struct ifnet *, struct mbuf *,
99 struct ip_moptions *);
100 int (*mrt_ioctl)(int, caddr_t);
101 int (*legal_vif_num)(int);
102 u_long (*ip_mcast_src)(int);
104 void (*rsvp_input_p)(struct mbuf *m, int off);
105 int (*ip_rsvp_vif)(struct socket *, struct sockopt *);
106 void (*ip_rsvp_force_done)(struct socket *);
109 * Nominal space allocated to a raw ip socket.
115 * Raw interface to IP protocol.
119 * Initialize raw connection block q.
122 rip_zone_change(void *tag)
125 uma_zone_set_max(ripcbinfo.ipi_zone, maxsockets);
129 rip_inpcb_init(void *mem, int size, int flags)
131 struct inpcb *inp = mem;
133 INP_LOCK_INIT(inp, "inp", "rawinp");
140 INP_INFO_LOCK_INIT(&ripcbinfo, "rip");
142 ripcbinfo.listhead = &ripcb;
144 * XXX We don't use the hash list for raw IP, but it's easier
145 * to allocate a one entry hash list than it is to check all
146 * over the place for hashbase == NULL.
148 ripcbinfo.hashbase = hashinit(1, M_PCB, &ripcbinfo.hashmask);
149 ripcbinfo.porthashbase = hashinit(1, M_PCB, &ripcbinfo.porthashmask);
150 ripcbinfo.ipi_zone = uma_zcreate("ripcb", sizeof(struct inpcb),
151 NULL, NULL, rip_inpcb_init, NULL, UMA_ALIGN_PTR, UMA_ZONE_NOFREE);
152 uma_zone_set_max(ripcbinfo.ipi_zone, maxsockets);
153 EVENTHANDLER_REGISTER(maxsockets_change, rip_zone_change,
154 NULL, EVENTHANDLER_PRI_ANY);
157 static struct sockaddr_in ripsrc = { sizeof(ripsrc), AF_INET };
160 raw_append(struct inpcb *last, struct ip *ip, struct mbuf *n)
164 INP_LOCK_ASSERT(last);
166 #if defined(IPSEC) || defined(FAST_IPSEC)
167 /* check AH/ESP integrity. */
168 if (ipsec4_in_reject(n, last)) {
171 ipsecstat.in_polvio++;
173 /* do not inject data to pcb */
175 #endif /*IPSEC || FAST_IPSEC*/
177 if (!policyfail && mac_check_inpcb_deliver(last, n) != 0)
180 /* Check the minimum TTL for socket. */
181 if (last->inp_ip_minttl && last->inp_ip_minttl > ip->ip_ttl)
184 struct mbuf *opts = NULL;
187 so = last->inp_socket;
188 if ((last->inp_flags & INP_CONTROLOPTS) ||
189 (so->so_options & (SO_TIMESTAMP | SO_BINTIME)))
190 ip_savecontrol(last, &opts, ip, n);
191 SOCKBUF_LOCK(&so->so_rcv);
192 if (sbappendaddr_locked(&so->so_rcv,
193 (struct sockaddr *)&ripsrc, n, opts) == 0) {
194 /* should notify about lost packet */
198 SOCKBUF_UNLOCK(&so->so_rcv);
200 sorwakeup_locked(so);
207 * Setup generic address and protocol structures
208 * for raw_input routine, then pass them along with
212 rip_input(struct mbuf *m, int off)
214 struct ip *ip = mtod(m, struct ip *);
215 int proto = ip->ip_p;
216 struct inpcb *inp, *last;
218 INP_INFO_RLOCK(&ripcbinfo);
219 ripsrc.sin_addr = ip->ip_src;
221 LIST_FOREACH(inp, &ripcb, inp_list) {
223 if (inp->inp_ip_p && inp->inp_ip_p != proto) {
229 if ((inp->inp_vflag & INP_IPV4) == 0)
232 if (inp->inp_laddr.s_addr &&
233 inp->inp_laddr.s_addr != ip->ip_dst.s_addr)
235 if (inp->inp_faddr.s_addr &&
236 inp->inp_faddr.s_addr != ip->ip_src.s_addr)
238 if (jailed(inp->inp_socket->so_cred))
239 if (htonl(prison_getip(inp->inp_socket->so_cred)) !=
245 n = m_copy(m, 0, (int)M_COPYALL);
247 (void) raw_append(last, ip, n);
248 /* XXX count dropped packet */
254 if (raw_append(last, ip, m) != 0)
255 ipstat.ips_delivered--;
259 ipstat.ips_noproto++;
260 ipstat.ips_delivered--;
262 INP_INFO_RUNLOCK(&ripcbinfo);
266 * Generate IP header and pass packet to ip_output.
267 * Tack on options user may have setup with control call.
270 rip_output(struct mbuf *m, struct socket *so, u_long dst)
274 struct inpcb *inp = sotoinpcb(so);
275 int flags = ((so->so_options & SO_DONTROUTE) ? IP_ROUTETOIF : 0) |
279 * If the user handed us a complete IP packet, use it.
280 * Otherwise, allocate an mbuf for a header and fill it in.
282 if ((inp->inp_flags & INP_HDRINCL) == 0) {
283 if (m->m_pkthdr.len + sizeof(struct ip) > IP_MAXPACKET) {
287 M_PREPEND(m, sizeof(struct ip), M_DONTWAIT);
292 ip = mtod(m, struct ip *);
293 ip->ip_tos = inp->inp_ip_tos;
294 if (inp->inp_flags & INP_DONTFRAG)
298 ip->ip_p = inp->inp_ip_p;
299 ip->ip_len = m->m_pkthdr.len;
300 if (jailed(inp->inp_socket->so_cred))
302 htonl(prison_getip(inp->inp_socket->so_cred));
304 ip->ip_src = inp->inp_laddr;
305 ip->ip_dst.s_addr = dst;
306 ip->ip_ttl = inp->inp_ip_ttl;
308 if (m->m_pkthdr.len > IP_MAXPACKET) {
313 ip = mtod(m, struct ip *);
314 if (jailed(inp->inp_socket->so_cred)) {
315 if (ip->ip_src.s_addr !=
316 htonl(prison_getip(inp->inp_socket->so_cred))) {
322 /* don't allow both user specified and setsockopt options,
323 and don't allow packet length sizes that will crash */
324 if (((ip->ip_hl != (sizeof (*ip) >> 2))
326 || (ip->ip_len > m->m_pkthdr.len)
327 || (ip->ip_len < (ip->ip_hl << 2))) {
333 ip->ip_id = ip_newid();
334 /* XXX prevent ip_output from overwriting header fields */
335 flags |= IP_RAWOUTPUT;
339 if (inp->inp_flags & INP_ONESBCAST)
340 flags |= IP_SENDONES;
343 mac_create_mbuf_from_inpcb(inp, m);
346 error = ip_output(m, inp->inp_options, NULL, flags,
347 inp->inp_moptions, inp);
353 * Raw IP socket option processing.
355 * IMPORTANT NOTE regarding access control: Traditionally, raw sockets could
356 * only be created by a privileged process, and as such, socket option
357 * operations to manage system properties on any raw socket were allowed to
358 * take place without explicit additional access control checks. However,
359 * raw sockets can now also be created in jail(), and therefore explicit
360 * checks are now required. Likewise, raw sockets can be used by a process
361 * after it gives up privilege, so some caution is required. For options
362 * passed down to the IP layer via ip_ctloutput(), checks are assumed to be
363 * performed in ip_ctloutput() and therefore no check occurs here.
364 * Unilaterally checking suser() here breaks normal IP socket option
365 * operations on raw sockets.
367 * When adding new socket options here, make sure to add access control
368 * checks here as necessary.
371 rip_ctloutput(struct socket *so, struct sockopt *sopt)
373 struct inpcb *inp = sotoinpcb(so);
376 if (sopt->sopt_level != IPPROTO_IP)
380 switch (sopt->sopt_dir) {
382 switch (sopt->sopt_name) {
384 optval = inp->inp_flags & INP_HDRINCL;
385 error = sooptcopyout(sopt, &optval, sizeof optval);
388 case IP_FW_ADD: /* ADD actually returns the body... */
390 case IP_FW_TABLE_GETSIZE:
391 case IP_FW_TABLE_LIST:
392 case IP_FW_NAT_GET_CONFIG:
393 case IP_FW_NAT_GET_LOG:
395 * XXXRW: Isn't this checked one layer down? Yes, it
398 error = priv_check(curthread, PRIV_NETINET_IPFW);
401 if (ip_fw_ctl_ptr != NULL)
402 error = ip_fw_ctl_ptr(sopt);
407 case IP_DUMMYNET_GET:
408 error = priv_check(curthread, PRIV_NETINET_DUMMYNET);
411 if (ip_dn_ctl_ptr != NULL)
412 error = ip_dn_ctl_ptr(sopt);
425 case MRT_API_SUPPORT:
427 case MRT_ADD_BW_UPCALL:
428 case MRT_DEL_BW_UPCALL:
429 error = priv_check(curthread, PRIV_NETINET_MROUTE);
432 error = ip_mrouter_get ? ip_mrouter_get(so, sopt) :
437 error = ip_ctloutput(so, sopt);
443 switch (sopt->sopt_name) {
445 error = sooptcopyin(sopt, &optval, sizeof optval,
450 inp->inp_flags |= INP_HDRINCL;
452 inp->inp_flags &= ~INP_HDRINCL;
460 case IP_FW_TABLE_ADD:
461 case IP_FW_TABLE_DEL:
462 case IP_FW_TABLE_FLUSH:
466 * XXXRW: Isn't this checked one layer down?
468 error = priv_check(curthread, PRIV_NETINET_IPFW);
471 if (ip_fw_ctl_ptr != NULL)
472 error = ip_fw_ctl_ptr(sopt);
477 case IP_DUMMYNET_CONFIGURE:
478 case IP_DUMMYNET_DEL:
479 case IP_DUMMYNET_FLUSH:
480 error = priv_check(curthread, PRIV_NETINET_DUMMYNET);
483 if (ip_dn_ctl_ptr != NULL)
484 error = ip_dn_ctl_ptr(sopt);
486 error = ENOPROTOOPT ;
490 error = priv_check(curthread, PRIV_NETINET_MROUTE);
493 error = ip_rsvp_init(so);
497 error = priv_check(curthread, PRIV_NETINET_MROUTE);
500 error = ip_rsvp_done();
504 case IP_RSVP_VIF_OFF:
505 error = priv_check(curthread, PRIV_NETINET_MROUTE);
508 error = ip_rsvp_vif ?
509 ip_rsvp_vif(so, sopt) : EINVAL;
520 case MRT_API_SUPPORT:
522 case MRT_ADD_BW_UPCALL:
523 case MRT_DEL_BW_UPCALL:
524 error = priv_check(curthread, PRIV_NETINET_MROUTE);
527 error = ip_mrouter_set ? ip_mrouter_set(so, sopt) :
532 error = ip_ctloutput(so, sopt);
542 * This function exists solely to receive the PRC_IFDOWN messages which
543 * are sent by if_down(). It looks for an ifaddr whose ifa_addr is sa,
544 * and calls in_ifadown() to remove all routes corresponding to that address.
545 * It also receives the PRC_IFUP messages from if_up() and reinstalls the
549 rip_ctlinput(int cmd, struct sockaddr *sa, void *vip)
551 struct in_ifaddr *ia;
558 TAILQ_FOREACH(ia, &in_ifaddrhead, ia_link) {
559 if (ia->ia_ifa.ifa_addr == sa
560 && (ia->ia_flags & IFA_ROUTE)) {
562 * in_ifscrub kills the interface route.
564 in_ifscrub(ia->ia_ifp, ia);
566 * in_ifadown gets rid of all the rest of
567 * the routes. This is not quite the right
568 * thing to do, but at least if we are running
569 * a routing process they will come back.
571 in_ifadown(&ia->ia_ifa, 0);
578 TAILQ_FOREACH(ia, &in_ifaddrhead, ia_link) {
579 if (ia->ia_ifa.ifa_addr == sa)
582 if (ia == 0 || (ia->ia_flags & IFA_ROUTE))
585 ifp = ia->ia_ifa.ifa_ifp;
587 if ((ifp->if_flags & IFF_LOOPBACK)
588 || (ifp->if_flags & IFF_POINTOPOINT))
591 err = rtinit(&ia->ia_ifa, RTM_ADD, flags);
593 ia->ia_flags |= IFA_ROUTE;
598 u_long rip_sendspace = RIPSNDQ;
599 u_long rip_recvspace = RIPRCVQ;
601 SYSCTL_ULONG(_net_inet_raw, OID_AUTO, maxdgram, CTLFLAG_RW,
602 &rip_sendspace, 0, "Maximum outgoing raw IP datagram size");
603 SYSCTL_ULONG(_net_inet_raw, OID_AUTO, recvspace, CTLFLAG_RW,
604 &rip_recvspace, 0, "Maximum space for incoming raw IP datagrams");
607 rip_attach(struct socket *so, int proto, struct thread *td)
613 KASSERT(inp == NULL, ("rip_attach: inp != NULL"));
615 * XXXRW: Centralize privilege decision in kern_jail.c.
617 if (jailed(td->td_ucred) && !jail_allow_raw_sockets)
619 error = priv_check_cred(td->td_ucred, PRIV_NETINET_RAW,
623 if (proto >= IPPROTO_MAX || proto < 0)
624 return EPROTONOSUPPORT;
625 error = soreserve(so, rip_sendspace, rip_recvspace);
628 INP_INFO_WLOCK(&ripcbinfo);
629 error = in_pcballoc(so, &ripcbinfo);
631 INP_INFO_WUNLOCK(&ripcbinfo);
634 inp = (struct inpcb *)so->so_pcb;
635 INP_INFO_WUNLOCK(&ripcbinfo);
636 inp->inp_vflag |= INP_IPV4;
637 inp->inp_ip_p = proto;
638 inp->inp_ip_ttl = ip_defttl;
644 rip_detach(struct socket *so)
649 KASSERT(inp != NULL, ("rip_detach: inp == NULL"));
650 KASSERT(inp->inp_faddr.s_addr == INADDR_ANY,
651 ("rip_detach: not closed"));
653 INP_INFO_WLOCK(&ripcbinfo);
655 if (so == ip_mrouter && ip_mrouter_done)
657 if (ip_rsvp_force_done)
658 ip_rsvp_force_done(so);
663 INP_INFO_WUNLOCK(&ripcbinfo);
667 rip_dodisconnect(struct socket *so, struct inpcb *inp)
670 INP_LOCK_ASSERT(inp);
672 inp->inp_faddr.s_addr = INADDR_ANY;
674 so->so_state &= ~SS_ISCONNECTED;
679 rip_abort(struct socket *so)
684 KASSERT(inp != NULL, ("rip_abort: inp == NULL"));
686 INP_INFO_WLOCK(&ripcbinfo);
688 rip_dodisconnect(so, inp);
690 INP_INFO_WUNLOCK(&ripcbinfo);
694 rip_close(struct socket *so)
699 KASSERT(inp != NULL, ("rip_close: inp == NULL"));
701 INP_INFO_WLOCK(&ripcbinfo);
703 rip_dodisconnect(so, inp);
705 INP_INFO_WUNLOCK(&ripcbinfo);
709 rip_disconnect(struct socket *so)
713 if ((so->so_state & SS_ISCONNECTED) == 0)
717 KASSERT(inp != NULL, ("rip_disconnect: inp == NULL"));
718 INP_INFO_WLOCK(&ripcbinfo);
720 rip_dodisconnect(so, inp);
722 INP_INFO_WUNLOCK(&ripcbinfo);
727 rip_bind(struct socket *so, struct sockaddr *nam, struct thread *td)
729 struct sockaddr_in *addr = (struct sockaddr_in *)nam;
732 if (nam->sa_len != sizeof(*addr))
735 if (jailed(td->td_ucred)) {
736 if (addr->sin_addr.s_addr == INADDR_ANY)
737 addr->sin_addr.s_addr =
738 htonl(prison_getip(td->td_ucred));
739 if (htonl(prison_getip(td->td_ucred)) != addr->sin_addr.s_addr)
740 return (EADDRNOTAVAIL);
743 if (TAILQ_EMPTY(&ifnet) ||
744 (addr->sin_family != AF_INET && addr->sin_family != AF_IMPLINK) ||
745 (addr->sin_addr.s_addr &&
746 ifa_ifwithaddr((struct sockaddr *)addr) == 0))
747 return EADDRNOTAVAIL;
750 KASSERT(inp != NULL, ("rip_bind: inp == NULL"));
751 INP_INFO_WLOCK(&ripcbinfo);
753 inp->inp_laddr = addr->sin_addr;
755 INP_INFO_WUNLOCK(&ripcbinfo);
760 rip_connect(struct socket *so, struct sockaddr *nam, struct thread *td)
762 struct sockaddr_in *addr = (struct sockaddr_in *)nam;
765 if (nam->sa_len != sizeof(*addr))
767 if (TAILQ_EMPTY(&ifnet))
768 return EADDRNOTAVAIL;
769 if (addr->sin_family != AF_INET && addr->sin_family != AF_IMPLINK)
773 KASSERT(inp != NULL, ("rip_connect: inp == NULL"));
774 INP_INFO_WLOCK(&ripcbinfo);
776 inp->inp_faddr = addr->sin_addr;
779 INP_INFO_WUNLOCK(&ripcbinfo);
784 rip_shutdown(struct socket *so)
789 KASSERT(inp != NULL, ("rip_shutdown: inp == NULL"));
797 rip_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *nam,
798 struct mbuf *control, struct thread *td)
804 KASSERT(inp != NULL, ("rip_send: inp == NULL"));
806 * Note: 'dst' reads below are unlocked.
808 if (so->so_state & SS_ISCONNECTED) {
813 dst = inp->inp_faddr.s_addr; /* Unlocked read. */
819 dst = ((struct sockaddr_in *)nam)->sin_addr.s_addr;
821 return rip_output(m, so, dst);
825 rip_pcblist(SYSCTL_HANDLER_ARGS)
828 struct inpcb *inp, **inp_list;
833 * The process of preparing the TCB list is too time-consuming and
834 * resource-intensive to repeat twice on every request.
836 if (req->oldptr == 0) {
837 n = ripcbinfo.ipi_count;
838 req->oldidx = 2 * (sizeof xig)
839 + (n + n/8) * sizeof(struct xinpcb);
843 if (req->newptr != 0)
847 * OK, now we're committed to doing something.
849 INP_INFO_RLOCK(&ripcbinfo);
850 gencnt = ripcbinfo.ipi_gencnt;
851 n = ripcbinfo.ipi_count;
852 INP_INFO_RUNLOCK(&ripcbinfo);
854 xig.xig_len = sizeof xig;
856 xig.xig_gen = gencnt;
857 xig.xig_sogen = so_gencnt;
858 error = SYSCTL_OUT(req, &xig, sizeof xig);
862 inp_list = malloc(n * sizeof *inp_list, M_TEMP, M_WAITOK);
866 INP_INFO_RLOCK(&ripcbinfo);
867 for (inp = LIST_FIRST(ripcbinfo.listhead), i = 0; inp && i < n;
868 inp = LIST_NEXT(inp, inp_list)) {
870 if (inp->inp_gencnt <= gencnt &&
871 cr_canseesocket(req->td->td_ucred, inp->inp_socket) == 0) {
872 /* XXX held references? */
877 INP_INFO_RUNLOCK(&ripcbinfo);
881 for (i = 0; i < n; i++) {
884 if (inp->inp_gencnt <= gencnt) {
886 bzero(&xi, sizeof(xi));
887 xi.xi_len = sizeof xi;
888 /* XXX should avoid extra copy */
889 bcopy(inp, &xi.xi_inp, sizeof *inp);
891 sotoxsocket(inp->inp_socket, &xi.xi_socket);
893 error = SYSCTL_OUT(req, &xi, sizeof xi);
899 * Give the user an updated idea of our state.
900 * If the generation differs from what we told
901 * her before, she knows that something happened
902 * while we were processing this request, and it
903 * might be necessary to retry.
905 INP_INFO_RLOCK(&ripcbinfo);
906 xig.xig_gen = ripcbinfo.ipi_gencnt;
907 xig.xig_sogen = so_gencnt;
908 xig.xig_count = ripcbinfo.ipi_count;
909 INP_INFO_RUNLOCK(&ripcbinfo);
910 error = SYSCTL_OUT(req, &xig, sizeof xig);
912 free(inp_list, M_TEMP);
917 * This is the wrapper function for in_setsockaddr. We just pass down
918 * the pcbinfo for in_setpeeraddr to lock.
921 rip_sockaddr(struct socket *so, struct sockaddr **nam)
923 return (in_setsockaddr(so, nam, &ripcbinfo));
927 * This is the wrapper function for in_setpeeraddr. We just pass down
928 * the pcbinfo for in_setpeeraddr to lock.
931 rip_peeraddr(struct socket *so, struct sockaddr **nam)
933 return (in_setpeeraddr(so, nam, &ripcbinfo));
937 SYSCTL_PROC(_net_inet_raw, OID_AUTO/*XXX*/, pcblist, CTLFLAG_RD, 0, 0,
938 rip_pcblist, "S,xinpcb", "List of active raw IP sockets");
940 struct pr_usrreqs rip_usrreqs = {
941 .pru_abort = rip_abort,
942 .pru_attach = rip_attach,
943 .pru_bind = rip_bind,
944 .pru_connect = rip_connect,
945 .pru_control = in_control,
946 .pru_detach = rip_detach,
947 .pru_disconnect = rip_disconnect,
948 .pru_peeraddr = rip_peeraddr,
949 .pru_send = rip_send,
950 .pru_shutdown = rip_shutdown,
951 .pru_sockaddr = rip_sockaddr,
952 .pru_sosetlabel = in_pcbsosetlabel,
953 .pru_close = rip_close,