]> git.saurik.com Git - apple/xnu.git/blobdiff - bsd/netinet/raw_ip.c
xnu-4570.71.2.tar.gz
[apple/xnu.git] / bsd / netinet / raw_ip.c
index c96397f15564e3f1d2341da63c4924054576f63e..30c5e8e338dfd21f96cd76847c4265fd0fa5b212 100644 (file)
@@ -1,31 +1,29 @@
 /*
- * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
- * 
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
- * 
- * This file contains Original Code and/or Modifications of Original Code 
- * as defined in and that are subject to the Apple Public Source License 
- * Version 2.0 (the 'License'). You may not use this file except in 
- * compliance with the License.  The rights granted to you under the 
- * License may not be used to create, or enable the creation or 
- * redistribution of, unlawful or unlicensed copies of an Apple operating 
- * system, or to circumvent, violate, or enable the circumvention or 
- * violation of, any terms of an Apple operating system software license 
- * agreement.
+ * Copyright (c) 2000-2018 Apple Inc. All rights reserved.
  *
- * Please obtain a copy of the License at 
- * http://www.opensource.apple.com/apsl/ and read it before using this 
- * file.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
- * The Original Code and all software distributed under the License are 
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
- * Please see the License for the specific language governing rights and 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
  * limitations under the License.
  *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * Copyright (c) 1982, 1986, 1988, 1993
  *
  *     @(#)raw_ip.c    8.7 (Berkeley) 5/15/95
  */
+/*
+ * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce
+ * support for mandatory and extensible security protections.  This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */
 
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/kernel.h>
 #include <sys/malloc.h>
 #include <sys/mbuf.h>
+#include <sys/mcache.h>
 #include <sys/proc.h>
 #include <sys/domain.h>
 #include <sys/protosw.h>
 #include <sys/socket.h>
 #include <sys/socketvar.h>
 #include <sys/sysctl.h>
+#include <libkern/OSAtomic.h>
+#include <kern/zalloc.h>
 
-#if __FreeBSD__
-#include <vm/vm_zone.h>
-#endif
+#include <pexpert/pexpert.h>
 
 #include <net/if.h>
+#include <net/net_api_stats.h>
 #include <net/route.h>
 
 #define _IP_VHL
 #include <netinet/in.h>
 #include <netinet/in_systm.h>
+#include <netinet/in_tclass.h>
 #include <netinet/ip.h>
 #include <netinet/in_pcb.h>
 #include <netinet/in_var.h>
 #include <netinet/ip_var.h>
-#include <netinet/ip_mroute.h>
+
+#if INET6
+#include <netinet6/in6_pcb.h>
+#endif /* INET6 */
 
 #include <netinet/ip_fw.h>
 
 #include <netinet/ip_dummynet.h>
 #endif
 
-#if IPSEC
-extern int ipsec_bypass;
-extern lck_mtx_t *sadb_mutex;
-#endif
+#if CONFIG_MACF_NET
+#include <security/mac_framework.h>
+#endif /* MAC_NET */
+
+int load_ipfw(void);
+int rip_detach(struct socket *);
+int rip_abort(struct socket *);
+int rip_disconnect(struct socket *);
+int rip_bind(struct socket *, struct sockaddr *, struct proc *);
+int rip_connect(struct socket *, struct sockaddr *, struct proc *);
+int rip_shutdown(struct socket *);
 
-extern u_long  route_generation;
 struct inpcbhead ripcb;
 struct inpcbinfo ripcbinfo;
 
 /* control hooks for ipfw and dummynet */
+#if IPFIREWALL
 ip_fw_ctl_t *ip_fw_ctl_ptr;
+#endif /* IPFIREWALL */
 #if DUMMYNET
 ip_dn_ctl_t *ip_dn_ctl_ptr;
 #endif /* DUMMYNET */
@@ -129,63 +147,72 @@ ip_dn_ctl_t *ip_dn_ctl_ptr;
  * Initialize raw connection block q.
  */
 void
-rip_init()
+rip_init(struct protosw *pp, struct domain *dp)
 {
-       struct inpcbinfo *pcbinfo;
+#pragma unused(dp)
+       static int rip_initialized = 0;
+       struct inpcbinfo *pcbinfo;
+
+       VERIFY((pp->pr_flags & (PR_INITIALIZED|PR_ATTACHED)) == PR_ATTACHED);
+
+       if (rip_initialized)
+               return;
+       rip_initialized = 1;
 
        LIST_INIT(&ripcb);
-       ripcbinfo.listhead = &ripcb;
+       ripcbinfo.ipi_listhead = &ripcb;
        /*
         * XXX We don't use the hash list for raw IP, but it's easier
         * to allocate a one entry hash list than it is to check all
-        * over the place for hashbase == NULL.
+        * over the place for ipi_hashbase == NULL.
         */
-       ripcbinfo.hashbase = hashinit(1, M_PCB, &ripcbinfo.hashmask);
-       ripcbinfo.porthashbase = hashinit(1, M_PCB, &ripcbinfo.porthashmask);
+       ripcbinfo.ipi_hashbase = hashinit(1, M_PCB, &ripcbinfo.ipi_hashmask);
+       ripcbinfo.ipi_porthashbase = hashinit(1, M_PCB, &ripcbinfo.ipi_porthashmask);
 
-       ripcbinfo.ipi_zone = (void *) zinit(sizeof(struct inpcb),
-                                           (4096 * sizeof(struct inpcb)), 
-                                           4096, "ripzone");
+       ripcbinfo.ipi_zone = zinit(sizeof(struct inpcb),
+           (4096 * sizeof(struct inpcb)), 4096, "ripzone");
 
        pcbinfo = &ripcbinfo;
         /*
         * allocate lock group attribute and group for udp pcb mutexes
         */
-       pcbinfo->mtx_grp_attr = lck_grp_attr_alloc_init();
-       lck_grp_attr_setdefault(pcbinfo->mtx_grp_attr);
+       pcbinfo->ipi_lock_grp_attr = lck_grp_attr_alloc_init();
+       pcbinfo->ipi_lock_grp = lck_grp_alloc_init("ripcb", pcbinfo->ipi_lock_grp_attr);
 
-       pcbinfo->mtx_grp = lck_grp_alloc_init("ripcb", pcbinfo->mtx_grp_attr);
-               
        /*
         * allocate the lock attribute for udp pcb mutexes
         */
-       pcbinfo->mtx_attr = lck_attr_alloc_init();
-       lck_attr_setdefault(pcbinfo->mtx_attr);
-
-       if ((pcbinfo->mtx = lck_rw_alloc_init(pcbinfo->mtx_grp, pcbinfo->mtx_attr)) == NULL)
-               return; /* pretty much dead if this fails... */
+       pcbinfo->ipi_lock_attr = lck_attr_alloc_init();
+       if ((pcbinfo->ipi_lock = lck_rw_alloc_init(pcbinfo->ipi_lock_grp,
+           pcbinfo->ipi_lock_attr)) == NULL) {
+               panic("%s: unable to allocate PCB lock\n", __func__);
+               /* NOTREACHED */
+       }
 
+       in_pcbinfo_attach(&ripcbinfo);
 }
 
-static struct  sockaddr_in ripsrc = { sizeof(ripsrc), AF_INET };
+static struct  sockaddr_in ripsrc = { sizeof(ripsrc), AF_INET , 0, {0}, {0,0,0,0,0,0,0,0,} };
 /*
  * Setup generic address and protocol structures
  * for raw_input routine, then pass them along with
  * mbuf chain.
  */
 void
-rip_input(m, iphlen)
-       struct mbuf *m;
-       int iphlen;
+rip_input(struct mbuf *m, int iphlen)
 {
-       register struct ip *ip = mtod(m, struct ip *);
-       register struct inpcb *inp;
+       struct ip *ip = mtod(m, struct ip *);
+       struct inpcb *inp;
        struct inpcb *last = 0;
        struct mbuf *opts = 0;
-       int skipit;
+       int skipit = 0, ret = 0;
+       struct ifnet *ifp = m->m_pkthdr.rcvif;
+
+       /* Expect 32-bit aligned data pointer on strict-align platforms */
+       MBUF_STRICT_DATA_ALIGNMENT_CHECK_32(m);
 
        ripsrc.sin_addr = ip->ip_src;
-       lck_rw_lock_shared(ripcbinfo.mtx);
+       lck_rw_lock_shared(ripcbinfo.ipi_lock);
        LIST_FOREACH(inp, &ripcb, inp_list) {
 #if INET6
                if ((inp->inp_vflag & INP_IPV4) == 0)
@@ -199,43 +226,57 @@ rip_input(m, iphlen)
                if (inp->inp_faddr.s_addr &&
                   inp->inp_faddr.s_addr != ip->ip_src.s_addr)
                        continue;
+               if (inp_restricted_recv(inp, ifp))
+                       continue;
                if (last) {
                        struct mbuf *n = m_copy(m, 0, (int)M_COPYALL);
-               
-#if IPSEC
-                       /* check AH/ESP integrity. */
+
                        skipit = 0;
-                       if (ipsec_bypass == 0 && n) {
-                               lck_mtx_lock(sadb_mutex);
-                               if (ipsec4_in_reject_so(n, last->inp_socket)) {
+
+#if NECP
+                       if (n && !necp_socket_is_allowed_to_send_recv_v4(last, 0, 0,
+                               &ip->ip_dst, &ip->ip_src, ifp, NULL, NULL)) {
+                               m_freem(n);
+                               /* do not inject data to pcb */
+                               skipit = 1;
+                       }
+#endif /* NECP */
+#if CONFIG_MACF_NET
+                       if (n && skipit == 0) {
+                               if (mac_inpcb_check_deliver(last, n, AF_INET,
+                                   SOCK_RAW) != 0) {
                                        m_freem(n);
-                                       ipsecstat.in_polvio++;
-                                       /* do not inject data to pcb */
                                        skipit = 1;
                                }
-                               lck_mtx_unlock(sadb_mutex);
-                       } 
-#endif /*IPSEC*/
+                       }
+#endif
                        if (n && skipit == 0) {
                                int error = 0;
-                               if (last->inp_flags & INP_CONTROLOPTS ||
-                                   last->inp_socket->so_options & SO_TIMESTAMP)
-                                   ip_savecontrol(last, &opts, ip, n);
+                               if ((last->inp_flags & INP_CONTROLOPTS) != 0 ||
+                                   (last->inp_socket->so_options & SO_TIMESTAMP) != 0 ||
+                                   (last->inp_socket->so_options & SO_TIMESTAMP_MONOTONIC) != 0) {
+                                       ret = ip_savecontrol(last, &opts, ip, n);
+                                       if (ret != 0) {
+                                               m_freem(n);
+                                               m_freem(opts);
+                                               last = inp;
+                                               continue;
+                                       }
+                               }
                                if (last->inp_flags & INP_STRIPHDR) {
                                        n->m_len -= iphlen;
                                        n->m_pkthdr.len -= iphlen;
                                        n->m_data += iphlen;
                                }
-// ###LOCK need to lock that socket?
+                               so_recv_data_stat(last->inp_socket, m, 0);
                                if (sbappendaddr(&last->inp_socket->so_rcv,
                                    (struct sockaddr *)&ripsrc, n,
                                    opts, &error) != 0) {
                                        sorwakeup(last->inp_socket);
-                               }
-                               else {
+                               } else {
                                        if (error) {
                                                /* should notify about lost packet */
-                                               kprintf("rip_input can't append to socket\n");
+                                               ipstat.ips_raw_sappend_fail++;
                                        }
                                }
                                opts = 0;
@@ -243,44 +284,61 @@ rip_input(m, iphlen)
                }
                last = inp;
        }
-       lck_rw_done(ripcbinfo.mtx);
-#if IPSEC
-       /* check AH/ESP integrity. */
+
        skipit = 0;
-       if (ipsec_bypass == 0 && last) {
-               lck_mtx_lock(sadb_mutex);
-               if (ipsec4_in_reject_so(m, last->inp_socket)) {
-                       m_freem(m);
-                       ipsecstat.in_polvio++;
-                       ipstat.ips_delivered--;
-                       /* do not inject data to pcb */
+#if NECP
+       if (last && !necp_socket_is_allowed_to_send_recv_v4(last, 0, 0,
+               &ip->ip_dst, &ip->ip_src, ifp, NULL, NULL)) {
+               m_freem(m);
+               OSAddAtomic(1, &ipstat.ips_delivered);
+               /* do not inject data to pcb */
+               skipit = 1;
+       }
+#endif /* NECP */
+#if CONFIG_MACF_NET
+       if (last && skipit == 0) {
+               if (mac_inpcb_check_deliver(last, m, AF_INET, SOCK_RAW) != 0) {
                        skipit = 1;
+                       m_freem(m);
                }
-               lck_mtx_unlock(sadb_mutex);
-       } 
-#endif /*IPSEC*/
+       }
+#endif
        if (skipit == 0) {
                if (last) {
-                       if (last->inp_flags & INP_CONTROLOPTS ||
-                               last->inp_socket->so_options & SO_TIMESTAMP)
-                               ip_savecontrol(last, &opts, ip, m);
+                       if ((last->inp_flags & INP_CONTROLOPTS) != 0 ||
+                               (last->inp_socket->so_options & SO_TIMESTAMP) != 0 ||
+                               (last->inp_socket->so_options & SO_TIMESTAMP_MONOTONIC) != 0) {
+                               ret = ip_savecontrol(last, &opts, ip, m);
+                               if (ret != 0) {
+                                       m_freem(m);
+                                       m_freem(opts);
+                                       goto unlock;
+                               }
+                       }
                        if (last->inp_flags & INP_STRIPHDR) {
                                m->m_len -= iphlen;
                                m->m_pkthdr.len -= iphlen;
                                m->m_data += iphlen;
                        }
+                       so_recv_data_stat(last->inp_socket, m, 0);
                        if (sbappendaddr(&last->inp_socket->so_rcv,
                                (struct sockaddr *)&ripsrc, m, opts, NULL) != 0) {
                                sorwakeup(last->inp_socket);
                        } else {
-                               kprintf("rip_input(2) can't append to socket\n");
+                               ipstat.ips_raw_sappend_fail++;
                        }
                } else {
                        m_freem(m);
-                       ipstat.ips_noproto++;
-                       ipstat.ips_delivered--;
+                       OSAddAtomic(1, &ipstat.ips_noproto);
+                       OSAddAtomic(-1, &ipstat.ips_delivered);
                }
        }
+unlock:
+       /*
+        * Keep the list locked because socket filter may force the socket lock
+        * to be released when calling sbappendaddr() -- see rdar://7627704
+        */
+       lck_rw_done(ripcbinfo.ipi_lock);
 }
 
 /*
@@ -288,14 +346,66 @@ rip_input(m, iphlen)
  * Tack on options user may have setup with control call.
  */
 int
-rip_output(m, so, dst)
-       register struct mbuf *m;
-       struct socket *so;
-       u_long dst;
+rip_output(
+       struct mbuf *m,
+       struct socket *so,
+       u_int32_t dst,
+       struct mbuf *control)
 {
-       register struct ip *ip;
-       register struct inpcb *inp = sotoinpcb(so);
+       struct ip *ip;
+       struct inpcb *inp = sotoinpcb(so);
        int flags = (so->so_options & SO_DONTROUTE) | IP_ALLOWBROADCAST;
+       struct ip_out_args ipoa;
+       struct ip_moptions *imo;
+       int error = 0;
+
+       bzero(&ipoa, sizeof(ipoa));
+       ipoa.ipoa_boundif = IFSCOPE_NONE;
+       ipoa.ipoa_flags = IPOAF_SELECT_SRCIF;
+
+       int sotc = SO_TC_UNSPEC;
+       int netsvctype = _NET_SERVICE_TYPE_UNSPEC;
+
+
+       if (control != NULL) {
+               sotc = so_tc_from_control(control, &netsvctype);
+
+               m_freem(control);
+               control = NULL;
+       }
+       if (sotc == SO_TC_UNSPEC) {
+               sotc = so->so_traffic_class;
+               netsvctype = so->so_netsvctype;
+       }
+
+       if (inp == NULL
+#if NECP
+               || (necp_socket_should_use_flow_divert(inp))
+#endif /* NECP */
+               ) {
+               if (m != NULL)
+                       m_freem(m);
+               VERIFY(control == NULL);
+               return (inp == NULL ? EINVAL : EPROTOTYPE);
+       }
+
+       flags |= IP_OUTARGS;
+       /* If socket was bound to an ifindex, tell ip_output about it */
+       if (inp->inp_flags & INP_BOUND_IF) {
+               ipoa.ipoa_boundif = inp->inp_boundifp->if_index;
+               ipoa.ipoa_flags |= IPOAF_BOUND_IF;
+       }
+       if (INP_NO_CELLULAR(inp))
+               ipoa.ipoa_flags |=  IPOAF_NO_CELLULAR;
+       if (INP_NO_EXPENSIVE(inp))
+               ipoa.ipoa_flags |=  IPOAF_NO_EXPENSIVE;
+       if (INP_AWDL_UNRESTRICTED(inp))
+               ipoa.ipoa_flags |=  IPOAF_AWDL_UNRESTRICTED;
+       ipoa.ipoa_sotc = sotc;
+       ipoa.ipoa_netsvctype = netsvctype;
+
+       if (inp->inp_flowhash == 0)
+               inp->inp_flowhash = inp_calc_flowhash(inp);
 
        /*
         * If the user handed us a complete IP packet, use it.
@@ -306,7 +416,9 @@ rip_output(m, so, dst)
                        m_freem(m);
                        return(EMSGSIZE);
                }
-               M_PREPEND(m, sizeof(struct ip), M_WAIT);
+               M_PREPEND(m, sizeof(struct ip), M_WAIT, 1);
+               if (m == NULL)
+                       return ENOBUFS;
                ip = mtod(m, struct ip *);
                ip->ip_tos = inp->inp_ip_tos;
                ip->ip_off = 0;
@@ -330,61 +442,183 @@ rip_output(m, so, dst)
                        m_freem(m);
                        return EINVAL;
                }
-               if (ip->ip_id == 0)
-#if RANDOM_IP_ID
+               if (ip->ip_id == 0 && !(rfc6864 && IP_OFF_IS_ATOMIC(ntohs(ip->ip_off))))
                        ip->ip_id = ip_randomid();
-#else
-                       ip->ip_id = htons(ip_id++);
-#endif
                /* XXX prevent ip_output from overwriting header fields */
                flags |= IP_RAWOUTPUT;
-               ipstat.ips_rawout++;
+               OSAddAtomic(1, &ipstat.ips_rawout);
+       }
+
+       if (inp->inp_laddr.s_addr != INADDR_ANY)
+               ipoa.ipoa_flags |= IPOAF_BOUND_SRCADDR;
+
+#if NECP
+       {
+               necp_kernel_policy_id policy_id;
+               u_int32_t route_rule_id;
+
+               /*
+                * We need a route to perform NECP route rule checks
+                */
+               if (net_qos_policy_restricted != 0 &&
+                   ROUTE_UNUSABLE(&inp->inp_route)) {
+                       struct sockaddr_in to;
+                       struct sockaddr_in from;
+                       struct in_addr laddr = ip->ip_src;
+
+                       ROUTE_RELEASE(&inp->inp_route);
+
+                       bzero(&from, sizeof(struct sockaddr_in));
+                       from.sin_family = AF_INET;
+                       from.sin_len = sizeof(struct sockaddr_in);
+                       from.sin_addr = laddr;
+
+                       bzero(&to, sizeof(struct sockaddr_in));
+                       to.sin_family = AF_INET;
+                       to.sin_len = sizeof(struct sockaddr_in);
+                       to.sin_addr.s_addr = ip->ip_dst.s_addr;
+
+                       if ((error = in_pcbladdr(inp, (struct sockaddr *)&to,
+                           &laddr, ipoa.ipoa_boundif, NULL, 1)) != 0) {
+                               printf("%s in_pcbladdr(%p) error %d\n",
+                                       __func__, inp, error);
+                               m_freem(m);
+                               return (error);
+                       }
+
+                       inp_update_necp_policy(inp, (struct sockaddr *)&from,
+                           (struct sockaddr *)&to, ipoa.ipoa_boundif);
+                       inp->inp_policyresult.results.qos_marking_gencount = 0;
+               }
+
+               if (!necp_socket_is_allowed_to_send_recv_v4(inp, 0, 0,
+                       &ip->ip_src, &ip->ip_dst, NULL, &policy_id, &route_rule_id)) {
+                       m_freem(m);
+                       return(EHOSTUNREACH);
+               }
+
+               necp_mark_packet_from_socket(m, inp, policy_id, route_rule_id);
+
+               if (net_qos_policy_restricted != 0) {
+                       struct ifnet *rt_ifp = NULL;
+
+                       if (inp->inp_route.ro_rt != NULL)
+                               rt_ifp = inp->inp_route.ro_rt->rt_ifp;
+
+                       necp_socket_update_qos_marking(inp, inp->inp_route.ro_rt,
+                           NULL, route_rule_id);
+               }
        }
+#endif /* NECP */
+       if ((so->so_flags1 & SOF1_QOSMARKING_ALLOWED))
+               ipoa.ipoa_flags |= IPOAF_QOSMARKING_ALLOWED;
 
 #if IPSEC
-       if (ipsec_bypass == 0 && ipsec_setsocket(m, so) != 0) {
+       if (inp->inp_sp != NULL && ipsec_setsocket(m, so) != 0) {
                m_freem(m);
                return ENOBUFS;
        }
 #endif /*IPSEC*/
 
-       if (inp->inp_route.ro_rt && inp->inp_route.ro_rt->generation_id != route_generation) {
-               rtfree(inp->inp_route.ro_rt);
-               inp->inp_route.ro_rt = (struct rtentry *)0;
+       if (ROUTE_UNUSABLE(&inp->inp_route))
+               ROUTE_RELEASE(&inp->inp_route);
+
+       set_packet_service_class(m, so, sotc, 0);
+       m->m_pkthdr.pkt_flowsrc = FLOWSRC_INPCB;
+       m->m_pkthdr.pkt_flowid = inp->inp_flowhash;
+       m->m_pkthdr.pkt_flags |= (PKTF_FLOW_ID | PKTF_FLOW_LOCALSRC |
+           PKTF_FLOW_RAWSOCK);
+       m->m_pkthdr.pkt_proto = inp->inp_ip_p;
+
+#if CONFIG_MACF_NET
+       mac_mbuf_label_associate_inpcb(inp, m);
+#endif
+
+       imo = inp->inp_moptions;
+       if (imo != NULL)
+               IMO_ADDREF(imo);
+       /*
+        * The domain lock is held across ip_output, so it is okay
+        * to pass the PCB cached route pointer directly to IP and
+        * the modules beneath it.
+        */
+       // TODO: PASS DOWN ROUTE RULE ID
+       error = ip_output(m, inp->inp_options, &inp->inp_route, flags,
+           imo, &ipoa);
+
+       if (imo != NULL)
+               IMO_REMREF(imo);
+
+       if (inp->inp_route.ro_rt != NULL) {
+               struct rtentry *rt = inp->inp_route.ro_rt;
+               struct ifnet *outif;
+
+               if ((rt->rt_flags & (RTF_MULTICAST|RTF_BROADCAST)) ||
+                   inp->inp_socket == NULL ||
+                   !(inp->inp_socket->so_state & SS_ISCONNECTED)) {
+                       rt = NULL;      /* unusable */
+               }
+               /*
+                * Always discard the cached route for unconnected
+                * socket or if it is a multicast route.
+                */
+               if (rt == NULL)
+                       ROUTE_RELEASE(&inp->inp_route);
+
+               /*
+                * If this is a connected socket and the destination
+                * route is unicast, update outif with that of the
+                * route interface used by IP.
+                */
+               if (rt != NULL &&
+                   (outif = rt->rt_ifp) != inp->inp_last_outifp) {
+                       inp->inp_last_outifp = outif;
+               }
+       } else {
+               ROUTE_RELEASE(&inp->inp_route);
        }
 
-       return (ip_output_list(m, 0, inp->inp_options, &inp->inp_route, flags,
-                         inp->inp_moptions));
+       /*
+        * If output interface was cellular/expensive, and this socket is
+        * denied access to it, generate an event.
+        */
+       if (error != 0 && (ipoa.ipoa_retflags & IPOARF_IFDENIED) &&
+           (INP_NO_CELLULAR(inp) || INP_NO_EXPENSIVE(inp)))
+               soevent(so, (SO_FILT_HINT_LOCKED|SO_FILT_HINT_IFDENIED));
+
+       return (error);
 }
 
-extern int
-load_ipfw()
+#if IPFIREWALL
+int
+load_ipfw(void)
 {
        kern_return_t   err;
-       
+
        ipfw_init();
-       
+
 #if DUMMYNET
        if (!DUMMYNET_LOADED)
                ip_dn_init();
 #endif /* DUMMYNET */
        err = 0;
-       
+
        return err == 0 && ip_fw_ctl_ptr == NULL ? -1 : err;
 }
+#endif /* IPFIREWALL */
 
 /*
  * Raw IP socket option processing.
  */
 int
-rip_ctloutput(so, sopt)
-       struct socket *so;
-       struct sockopt *sopt;
+rip_ctloutput(struct socket *so, struct sockopt *sopt)
 {
        struct  inpcb *inp = sotoinpcb(so);
        int     error, optval;
 
-       if (sopt->sopt_level != IPPROTO_IP)
+       /* Allow <SOL_SOCKET,SO_FLUSH> at this level */
+       if (sopt->sopt_level != IPPROTO_IP &&
+           !(sopt->sopt_level == SOL_SOCKET && sopt->sopt_name == SO_FLUSH))
                return (EINVAL);
 
        error = 0;
@@ -397,11 +631,12 @@ rip_ctloutput(so, sopt)
                        error = sooptcopyout(sopt, &optval, sizeof optval);
                        break;
 
-        case IP_STRIPHDR:
-            optval = inp->inp_flags & INP_STRIPHDR;
-            error = sooptcopyout(sopt, &optval, sizeof optval);
-            break;
+               case IP_STRIPHDR:
+                       optval = inp->inp_flags & INP_STRIPHDR;
+                       error = sooptcopyout(sopt, &optval, sizeof optval);
+                       break;
 
+#if IPFIREWALL
                case IP_FW_ADD:
                case IP_FW_GET:
                case IP_OLD_FW_ADD:
@@ -413,9 +648,12 @@ rip_ctloutput(so, sopt)
                        else
                                error = ENOPROTOOPT;
                        break;
+#endif /* IPFIREWALL */
 
 #if DUMMYNET
                case IP_DUMMYNET_GET:
+                       if (!DUMMYNET_LOADED)
+                               ip_dn_init();
                        if (DUMMYNET_LOADED)
                                error = ip_dn_ctl_ptr(sopt);
                        else
@@ -423,17 +661,6 @@ rip_ctloutput(so, sopt)
                        break ;
 #endif /* DUMMYNET */
 
-               case MRT_INIT:
-               case MRT_DONE:
-               case MRT_ADD_VIF:
-               case MRT_DEL_VIF:
-               case MRT_ADD_MFC:
-               case MRT_DEL_MFC:
-               case MRT_VERSION:
-               case MRT_ASSERT:
-                       error = ip_mrouter_get(so, sopt);
-                       break;
-
                default:
                        error = ip_ctloutput(so, sopt);
                        break;
@@ -453,18 +680,18 @@ rip_ctloutput(so, sopt)
                                inp->inp_flags &= ~INP_HDRINCL;
                        break;
 
-        case IP_STRIPHDR:
-            error = sooptcopyin(sopt, &optval, sizeof optval,
-                        sizeof optval);
-            if (error)
-                break;
-            if (optval)
-                inp->inp_flags |= INP_STRIPHDR;
-            else
-                inp->inp_flags &= ~INP_STRIPHDR;
-            break;
-
+               case IP_STRIPHDR:
+                       error = sooptcopyin(sopt, &optval, sizeof optval,
+                           sizeof optval);
+                       if (error)
+                               break;
+                       if (optval)
+                               inp->inp_flags |= INP_STRIPHDR;
+                       else
+                               inp->inp_flags &= ~INP_STRIPHDR;
+                       break;
 
+#if IPFIREWALL
                case IP_FW_ADD:
                case IP_FW_DEL:
                case IP_FW_FLUSH:
@@ -482,11 +709,14 @@ rip_ctloutput(so, sopt)
                        else
                                error = ENOPROTOOPT;
                        break;
+#endif /* IPFIREWALL */
 
 #if DUMMYNET
                case IP_DUMMYNET_CONFIGURE:
                case IP_DUMMYNET_DEL:
                case IP_DUMMYNET_FLUSH:
+                       if (!DUMMYNET_LOADED)
+                               ip_dn_init();
                        if (DUMMYNET_LOADED)
                                error = ip_dn_ctl_ptr(sopt);
                        else
@@ -494,32 +724,12 @@ rip_ctloutput(so, sopt)
                        break ;
 #endif
 
-               case IP_RSVP_ON:
-                       error = ip_rsvp_init(so);
-                       break;
-
-               case IP_RSVP_OFF:
-                       error = ip_rsvp_done();
-                       break;
-
-                       /* XXX - should be combined */
-               case IP_RSVP_VIF_ON:
-                       error = ip_rsvp_vif_init(so, sopt);
-                       break;
-                       
-               case IP_RSVP_VIF_OFF:
-                       error = ip_rsvp_vif_done(so, sopt);
-                       break;
+               case SO_FLUSH:
+                       if ((error = sooptcopyin(sopt, &optval, sizeof (optval),
+                           sizeof (optval))) != 0)
+                               break;
 
-               case MRT_INIT:
-               case MRT_DONE:
-               case MRT_ADD_VIF:
-               case MRT_DEL_VIF:
-               case MRT_ADD_MFC:
-               case MRT_DEL_MFC:
-               case MRT_VERSION:
-               case MRT_ASSERT:
-                       error = ip_mrouter_set(so, sopt);
+                       error = inp_flush(inp, optval);
                        break;
 
                default:
@@ -540,23 +750,30 @@ rip_ctloutput(so, sopt)
  * interface routes.
  */
 void
-rip_ctlinput(cmd, sa, vip)
-       int cmd;
-       struct sockaddr *sa;
-       void *vip;
+rip_ctlinput(
+       int cmd,
+       struct sockaddr *sa,
+       __unused void *vip,
+       __unused struct ifnet *ifp)
 {
-       struct in_ifaddr *ia;
-       struct ifnet *ifp;
-       int err;
-       int flags;
+       struct in_ifaddr *ia = NULL;
+       struct ifnet *iaifp = NULL;
+       int err = 0;
+       int flags, done = 0;
 
        switch (cmd) {
        case PRC_IFDOWN:
-               lck_mtx_lock(rt_mtx);
+               lck_rw_lock_shared(in_ifaddr_rwlock);
                for (ia = in_ifaddrhead.tqh_first; ia;
                     ia = ia->ia_link.tqe_next) {
-                       if (ia->ia_ifa.ifa_addr == sa
-                           && (ia->ia_flags & IFA_ROUTE)) {
+                       IFA_LOCK(&ia->ia_ifa);
+                       if (ia->ia_ifa.ifa_addr == sa &&
+                           (ia->ia_flags & IFA_ROUTE)) {
+                               done = 1;
+                               IFA_ADDREF_LOCKED(&ia->ia_ifa);
+                               IFA_UNLOCK(&ia->ia_ifa);
+                               lck_rw_done(in_ifaddr_rwlock);
+                               lck_mtx_lock(rnh_lock);
                                /*
                                 * in_ifscrub kills the interface route.
                                 */
@@ -568,69 +785,82 @@ rip_ctlinput(cmd, sa, vip)
                                 * a routing process they will come back.
                                 */
                                in_ifadown(&ia->ia_ifa, 1);
+                               lck_mtx_unlock(rnh_lock);
+                               IFA_REMREF(&ia->ia_ifa);
                                break;
                        }
+                       IFA_UNLOCK(&ia->ia_ifa);
                }
-               lck_mtx_unlock(rt_mtx);
+               if (!done)
+                       lck_rw_done(in_ifaddr_rwlock);
                break;
 
        case PRC_IFUP:
-               lck_mtx_lock(rt_mtx);
+               lck_rw_lock_shared(in_ifaddr_rwlock);
                for (ia = in_ifaddrhead.tqh_first; ia;
                     ia = ia->ia_link.tqe_next) {
-                       if (ia->ia_ifa.ifa_addr == sa)
+                       IFA_LOCK(&ia->ia_ifa);
+                       if (ia->ia_ifa.ifa_addr == sa) {
+                               /* keep it locked */
                                break;
+                       }
+                       IFA_UNLOCK(&ia->ia_ifa);
                }
-               if (ia == 0 || (ia->ia_flags & IFA_ROUTE)) {
-                       lck_mtx_unlock(rt_mtx);
+               if (ia == NULL || (ia->ia_flags & IFA_ROUTE) ||
+                   (ia->ia_ifa.ifa_debug & IFD_NOTREADY)) {
+                       if (ia != NULL)
+                               IFA_UNLOCK(&ia->ia_ifa);
+                       lck_rw_done(in_ifaddr_rwlock);
                        return;
                }
+               IFA_ADDREF_LOCKED(&ia->ia_ifa);
+               IFA_UNLOCK(&ia->ia_ifa);
+               lck_rw_done(in_ifaddr_rwlock);
+
                flags = RTF_UP;
-               ifp = ia->ia_ifa.ifa_ifp;
+               iaifp = ia->ia_ifa.ifa_ifp;
 
-               if ((ifp->if_flags & IFF_LOOPBACK)
-                   || (ifp->if_flags & IFF_POINTOPOINT))
+               if ((iaifp->if_flags & IFF_LOOPBACK)
+                   || (iaifp->if_flags & IFF_POINTOPOINT))
                        flags |= RTF_HOST;
 
-               err = rtinit_locked(&ia->ia_ifa, RTM_ADD, flags);
-               lck_mtx_unlock(rt_mtx);
-               if (err == 0)
+               err = rtinit(&ia->ia_ifa, RTM_ADD, flags);
+               if (err == 0) {
+                       IFA_LOCK_SPIN(&ia->ia_ifa);
                        ia->ia_flags |= IFA_ROUTE;
+                       IFA_UNLOCK(&ia->ia_ifa);
+               }
+               IFA_REMREF(&ia->ia_ifa);
                break;
        }
 }
 
-u_long rip_sendspace = RIPSNDQ;
-u_long rip_recvspace = RIPRCVQ;
+u_int32_t      rip_sendspace = RIPSNDQ;
+u_int32_t      rip_recvspace = RIPRCVQ;
 
-SYSCTL_INT(_net_inet_raw, OID_AUTO, maxdgram, CTLFLAG_RW,
+SYSCTL_INT(_net_inet_raw, OID_AUTO, maxdgram, CTLFLAG_RW | CTLFLAG_LOCKED,
     &rip_sendspace, 0, "Maximum outgoing raw IP datagram size");
-SYSCTL_INT(_net_inet_raw, OID_AUTO, recvspace, CTLFLAG_RW,
+SYSCTL_INT(_net_inet_raw, OID_AUTO, recvspace, CTLFLAG_RW | CTLFLAG_LOCKED,
     &rip_recvspace, 0, "Maximum incoming raw IP datagram size");
+SYSCTL_UINT(_net_inet_raw, OID_AUTO, pcbcount, CTLFLAG_RD | CTLFLAG_LOCKED,
+    &ripcbinfo.ipi_count, 0, "Number of active PCBs");
 
 static int
 rip_attach(struct socket *so, int proto, struct proc *p)
 {
        struct inpcb *inp;
-       int error, s;
+       int error;
 
        inp = sotoinpcb(so);
        if (inp)
                panic("rip_attach");
-#if __APPLE__
        if ((so->so_state & SS_PRIV) == 0)
                return (EPERM);
-#else
-       if (p && (error = suser(p)) != 0)
-               return error;
-#endif
 
        error = soreserve(so, rip_sendspace, rip_recvspace);
        if (error)
                return error;
-       s = splnet();
        error = in_pcballoc(so, &ripcbinfo, p);
-       splx(s);
        if (error)
                return error;
        inp = (struct inpcb *)so->so_pcb;
@@ -648,11 +878,6 @@ rip_detach(struct socket *so)
        inp = sotoinpcb(so);
        if (inp == 0)
                panic("rip_detach");
-       if (so == ip_mrouter)
-               ip_mrouter_done();
-       ip_rsvp_force_done(so);
-       if (so == ip_rsvpd)
-               ip_rsvp_done();
        in_pcbdetach(inp);
        return 0;
 }
@@ -675,33 +900,64 @@ rip_disconnect(struct socket *so)
 __private_extern__ int
 rip_bind(struct socket *so, struct sockaddr *nam, struct proc *p)
 {
+#pragma unused(p)
        struct inpcb *inp = sotoinpcb(so);
-       struct sockaddr_in *addr = (struct sockaddr_in *)nam;
+       struct sockaddr_in sin;
        struct ifaddr *ifa = NULL;
+       struct ifnet *outif = NULL;
 
-       if (nam->sa_len != sizeof(*addr))
-               return EINVAL;
+       if (inp == NULL
+#if NECP
+               || (necp_socket_should_use_flow_divert(inp))
+#endif /* NECP */
+               )
+               return (inp == NULL ? EINVAL : EPROTOTYPE);
 
-       if (TAILQ_EMPTY(&ifnet_head) || ((addr->sin_family != AF_INET) &&
-                                   (addr->sin_family != AF_IMPLINK)) ||
-           (addr->sin_addr.s_addr &&
-            (ifa = ifa_ifwithaddr((struct sockaddr *)addr)) == 0)) {
-               return EADDRNOTAVAIL;
-       }
-       else if (ifa) {
-               ifafree(ifa);
-               ifa = NULL;
+       if (nam->sa_len != sizeof (struct sockaddr_in))
+               return (EINVAL);
+
+       /* Sanitized local copy for interface address searches */
+       bzero(&sin, sizeof (sin));
+       sin.sin_family = AF_INET;
+       sin.sin_len = sizeof (struct sockaddr_in);
+       sin.sin_addr.s_addr = SIN(nam)->sin_addr.s_addr;
+
+       if (TAILQ_EMPTY(&ifnet_head) ||
+           (sin.sin_family != AF_INET && sin.sin_family != AF_IMPLINK) ||
+           (sin.sin_addr.s_addr && (ifa = ifa_ifwithaddr(SA(&sin))) == 0)) {
+               return (EADDRNOTAVAIL);
+       } else if (ifa) {
+               /*
+                * Opportunistically determine the outbound
+                * interface that may be used; this may not
+                * hold true if we end up using a route
+                * going over a different interface, e.g.
+                * when sending to a local address.  This
+                * will get updated again after sending.
+                */
+               IFA_LOCK(ifa);
+               outif = ifa->ifa_ifp;
+               IFA_UNLOCK(ifa);
+               IFA_REMREF(ifa);
        }
-       inp->inp_laddr = addr->sin_addr;
-       return 0;
+       inp->inp_laddr = sin.sin_addr;
+       inp->inp_last_outifp = outif;
+
+       return (0);
 }
 
 __private_extern__ int
-rip_connect(struct socket *so, struct sockaddr *nam, struct proc *p)
+rip_connect(struct socket *so, struct sockaddr *nam, __unused  struct proc *p)
 {
        struct inpcb *inp = sotoinpcb(so);
-       struct sockaddr_in *addr = (struct sockaddr_in *)nam;
-
+       struct sockaddr_in *addr = (struct sockaddr_in *)(void *)nam;
+
+       if (inp == NULL
+#if NECP
+               || (necp_socket_should_use_flow_divert(inp))
+#endif /* NECP */
+               )
+               return (inp == NULL ? EINVAL : EPROTOTYPE);
        if (nam->sa_len != sizeof(*addr))
                return EINVAL;
        if (TAILQ_EMPTY(&ifnet_head))
@@ -709,8 +965,15 @@ rip_connect(struct socket *so, struct sockaddr *nam, struct proc *p)
        if ((addr->sin_family != AF_INET) &&
            (addr->sin_family != AF_IMPLINK))
                return EAFNOSUPPORT;
+
+       if (!(so->so_flags1 & SOF1_CONNECT_COUNTED)) {
+               so->so_flags1 |= SOF1_CONNECT_COUNTED;
+               INC_ATOMIC_INT64_LIM(net_api_stats.nas_socket_inet_dgram_connected);
+       }
+
        inp->inp_faddr = addr->sin_addr;
        soisconnected(so);
+
        return 0;
 }
 
@@ -723,50 +986,91 @@ rip_shutdown(struct socket *so)
 
 __private_extern__ int
 rip_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *nam,
-        struct mbuf *control, struct proc *p)
+    struct mbuf *control, struct proc *p)
 {
+#pragma unused(flags, p)
        struct inpcb *inp = sotoinpcb(so);
-       register u_long dst;
+       u_int32_t dst;
+       int error = 0;
+
+       if (inp == NULL
+#if NECP
+               || (necp_socket_should_use_flow_divert(inp) && (error = EPROTOTYPE))
+#endif /* NECP */
+               ) {
+               if (inp == NULL)
+                       error = EINVAL;
+               else
+                       error = EPROTOTYPE;
+               goto bad;
+       }
 
        if (so->so_state & SS_ISCONNECTED) {
-               if (nam) {
-                       m_freem(m);
-                       return EISCONN;
+               if (nam != NULL) {
+                       error = EISCONN;
+                       goto bad;
                }
                dst = inp->inp_faddr.s_addr;
        } else {
                if (nam == NULL) {
-                       m_freem(m);
-                       return ENOTCONN;
+                       error = ENOTCONN;
+                       goto bad;
                }
-               dst = ((struct sockaddr_in *)nam)->sin_addr.s_addr;
+               dst = ((struct sockaddr_in *)(void *)nam)->sin_addr.s_addr;
        }
-       return rip_output(m, so, dst);
+       return (rip_output(m, so, dst, control));
+
+bad:
+       VERIFY(error != 0);
+
+       if (m != NULL)
+               m_freem(m);
+       if (control != NULL)
+               m_freem(control);
+
+       return (error);
 }
 
+/* note: rip_unlock is called from different protos  instead of the generic socket_unlock,
+ * it will handle the socket dealloc on last reference
+ * */
 int
-rip_unlock(struct socket *so, int refcount, int debug)
+rip_unlock(struct socket *so, int refcount, void *debug)
 {
-       int lr_saved;
+       void *lr_saved;
        struct inpcb *inp = sotoinpcb(so);
-#ifdef __ppc__
-       if (debug == 0) {
-               __asm__ volatile("mflr %0" : "=r" (lr_saved));
-       }
-       else lr_saved = debug;
-#endif
+
+       if (debug == NULL)
+               lr_saved = __builtin_return_address(0);
+       else
+               lr_saved = debug;
+
        if (refcount) {
-               if (so->so_usecount <= 0)
-                       panic("rip_unlock: bad refoucnt so=%x val=%x\n", so, so->so_usecount);
+               if (so->so_usecount <= 0) {
+                       panic("rip_unlock: bad refoucnt so=%p val=%x lrh= %s\n",
+                           so, so->so_usecount, solockhistory_nr(so));
+                       /* NOTREACHED */
+               }
                so->so_usecount--;
                if (so->so_usecount == 0 && (inp->inp_wantcnt == WNT_STOPUSING)) {
+                       /* cleanup after last reference */
                        lck_mtx_unlock(so->so_proto->pr_domain->dom_mtx);
-                       lck_rw_lock_exclusive(ripcbinfo.mtx);
+                       lck_rw_lock_exclusive(ripcbinfo.ipi_lock);
+                       if (inp->inp_state != INPCB_STATE_DEAD) {
+#if INET6
+                               if (SOCK_CHECK_DOM(so, PF_INET6))
+                                       in6_pcbdetach(inp);
+                               else
+#endif /* INET6 */
+                               in_pcbdetach(inp);
+                       }
                        in_pcbdispose(inp);
-                       lck_rw_done(ripcbinfo.mtx);
+                       lck_rw_done(ripcbinfo.ipi_lock);
                        return(0);
                }
        }
+       so->unlock_lr[so->next_unlock_lr] = lr_saved;
+       so->next_unlock_lr = (so->next_unlock_lr+1) % SO_LCKDBG_MAX;
        lck_mtx_unlock(so->so_proto->pr_domain->dom_mtx);
        return(0);
 }
@@ -774,7 +1078,8 @@ rip_unlock(struct socket *so, int refcount, int debug)
 static int
 rip_pcblist SYSCTL_HANDLER_ARGS
 {
-       int error, i, n, s;
+#pragma unused(oidp, arg1, arg2)
+       int error, i, n;
        struct inpcb *inp, **inp_list;
        inp_gen_t gencnt;
        struct xinpgen xig;
@@ -783,17 +1088,17 @@ rip_pcblist SYSCTL_HANDLER_ARGS
         * The process of preparing the TCB list is too time-consuming and
         * resource-intensive to repeat twice on every request.
         */
-       lck_rw_lock_exclusive(ripcbinfo.mtx);
+       lck_rw_lock_exclusive(ripcbinfo.ipi_lock);
        if (req->oldptr == USER_ADDR_NULL) {
                n = ripcbinfo.ipi_count;
                req->oldidx = 2 * (sizeof xig)
                        + (n + n/8) * sizeof(struct xinpcb);
-               lck_rw_done(ripcbinfo.mtx);
+               lck_rw_done(ripcbinfo.ipi_lock);
                return 0;
        }
 
        if (req->newptr != USER_ADDR_NULL) {
-               lck_rw_done(ripcbinfo.mtx);
+               lck_rw_done(ripcbinfo.ipi_lock);
                return EPERM;
        }
 
@@ -802,7 +1107,7 @@ rip_pcblist SYSCTL_HANDLER_ARGS
         */
        gencnt = ripcbinfo.ipi_gencnt;
        n = ripcbinfo.ipi_count;
-       
+
        bzero(&xig, sizeof(xig));
        xig.xig_len = sizeof xig;
        xig.xig_count = n;
@@ -810,24 +1115,24 @@ rip_pcblist SYSCTL_HANDLER_ARGS
        xig.xig_sogen = so_gencnt;
        error = SYSCTL_OUT(req, &xig, sizeof xig);
        if (error) {
-               lck_rw_done(ripcbinfo.mtx);
+               lck_rw_done(ripcbinfo.ipi_lock);
                return error;
        }
     /*
      * We are done if there is no pcb
      */
     if (n == 0) {
-       lck_rw_done(ripcbinfo.mtx);
-        return 0; 
+       lck_rw_done(ripcbinfo.ipi_lock);
+        return 0;
     }
 
        inp_list = _MALLOC(n * sizeof *inp_list, M_TEMP, M_WAITOK);
        if (inp_list == 0) {
-               lck_rw_done(ripcbinfo.mtx);
+               lck_rw_done(ripcbinfo.ipi_lock);
                return ENOMEM;
        }
-       
-       for (inp = ripcbinfo.listhead->lh_first, i = 0; inp && i < n;
+
+       for (inp = ripcbinfo.ipi_listhead->lh_first, i = 0; inp && i < n;
             inp = inp->inp_list.le_next) {
                if (inp->inp_gencnt <= gencnt && inp->inp_state != INPCB_STATE_DEAD)
                        inp_list[i++] = inp;
@@ -865,17 +1170,149 @@ rip_pcblist SYSCTL_HANDLER_ARGS
                error = SYSCTL_OUT(req, &xig, sizeof xig);
        }
        FREE(inp_list, M_TEMP);
-       lck_rw_done(ripcbinfo.mtx);
+       lck_rw_done(ripcbinfo.ipi_lock);
        return error;
 }
 
-SYSCTL_PROC(_net_inet_raw, OID_AUTO/*XXX*/, pcblist, CTLFLAG_RD, 0, 0,
+SYSCTL_PROC(_net_inet_raw, OID_AUTO/*XXX*/, pcblist,
+           CTLTYPE_STRUCT | CTLFLAG_RD | CTLFLAG_LOCKED, 0, 0,
            rip_pcblist, "S,xinpcb", "List of active raw IP sockets");
 
+#if !CONFIG_EMBEDDED
+
+static int
+rip_pcblist64 SYSCTL_HANDLER_ARGS
+{
+#pragma unused(oidp, arg1, arg2)
+        int error, i, n;
+        struct inpcb *inp, **inp_list;
+        inp_gen_t gencnt;
+        struct xinpgen xig;
+
+        /*
+         * The process of preparing the TCB list is too time-consuming and
+         * resource-intensive to repeat twice on every request.
+         */
+        lck_rw_lock_exclusive(ripcbinfo.ipi_lock);
+        if (req->oldptr == USER_ADDR_NULL) {
+                n = ripcbinfo.ipi_count;
+                req->oldidx = 2 * (sizeof xig)
+                        + (n + n/8) * sizeof(struct xinpcb64);
+                lck_rw_done(ripcbinfo.ipi_lock);
+                return 0;
+        }
+
+        if (req->newptr != USER_ADDR_NULL) {
+                lck_rw_done(ripcbinfo.ipi_lock);
+                return EPERM;
+        }
+
+        /*
+         * OK, now we're committed to doing something.
+         */
+        gencnt = ripcbinfo.ipi_gencnt;
+        n = ripcbinfo.ipi_count;
+
+        bzero(&xig, sizeof(xig));
+        xig.xig_len = sizeof xig;
+        xig.xig_count = n;
+        xig.xig_gen = gencnt;
+        xig.xig_sogen = so_gencnt;
+        error = SYSCTL_OUT(req, &xig, sizeof xig);
+        if (error) {
+                lck_rw_done(ripcbinfo.ipi_lock);
+                return error;
+        }
+    /*
+     * We are done if there is no pcb
+     */
+    if (n == 0) {
+        lck_rw_done(ripcbinfo.ipi_lock);
+        return 0;
+    }
+
+        inp_list = _MALLOC(n * sizeof *inp_list, M_TEMP, M_WAITOK);
+        if (inp_list == 0) {
+                lck_rw_done(ripcbinfo.ipi_lock);
+                return ENOMEM;
+        }
+
+        for (inp = ripcbinfo.ipi_listhead->lh_first, i = 0; inp && i < n;
+             inp = inp->inp_list.le_next) {
+                if (inp->inp_gencnt <= gencnt && inp->inp_state != INPCB_STATE_DEAD)
+                        inp_list[i++] = inp;
+        }
+        n = i;
+
+        error = 0;
+        for (i = 0; i < n; i++) {
+                inp = inp_list[i];
+                if (inp->inp_gencnt <= gencnt && inp->inp_state != INPCB_STATE_DEAD) {
+                        struct xinpcb64 xi;
+
+                        bzero(&xi, sizeof(xi));
+                        xi.xi_len = sizeof xi;
+                        inpcb_to_xinpcb64(inp, &xi);
+                        if (inp->inp_socket)
+                                sotoxsocket64(inp->inp_socket, &xi.xi_socket);
+                        error = SYSCTL_OUT(req, &xi, sizeof xi);
+                }
+        }
+        if (!error) {
+                /*
+                 * Give the user an updated idea of our state.
+                 * If the generation differs from what we told
+                 * her before, she knows that something happened
+                 * while we were processing this request, and it
+                 * might be necessary to retry.
+                 */
+                bzero(&xig, sizeof(xig));
+                xig.xig_len = sizeof xig;
+                xig.xig_gen = ripcbinfo.ipi_gencnt;
+                xig.xig_sogen = so_gencnt;
+                xig.xig_count = ripcbinfo.ipi_count;
+                error = SYSCTL_OUT(req, &xig, sizeof xig);
+        }
+        FREE(inp_list, M_TEMP);
+        lck_rw_done(ripcbinfo.ipi_lock);
+        return error;
+}
+
+SYSCTL_PROC(_net_inet_raw, OID_AUTO, pcblist64,
+            CTLTYPE_STRUCT | CTLFLAG_RD | CTLFLAG_LOCKED, 0, 0,
+            rip_pcblist64, "S,xinpcb64", "List of active raw IP sockets");
+
+#endif /* !CONFIG_EMBEDDED */
+
+
+static int
+rip_pcblist_n SYSCTL_HANDLER_ARGS
+{
+#pragma unused(oidp, arg1, arg2)
+       int error = 0;
+
+       error = get_pcblist_n(IPPROTO_IP, req, &ripcbinfo);
+
+       return error;
+}
+
+SYSCTL_PROC(_net_inet_raw, OID_AUTO, pcblist_n,
+            CTLTYPE_STRUCT | CTLFLAG_RD | CTLFLAG_LOCKED, 0, 0,
+            rip_pcblist_n, "S,xinpcb_n", "List of active raw IP sockets");
+
 struct pr_usrreqs rip_usrreqs = {
-       rip_abort, pru_accept_notsupp, rip_attach, rip_bind, rip_connect,
-       pru_connect2_notsupp, in_control, rip_detach, rip_disconnect,
-       pru_listen_notsupp, in_setpeeraddr, pru_rcvd_notsupp,
-       pru_rcvoob_notsupp, rip_send, pru_sense_null, rip_shutdown,
-       in_setsockaddr, sosend, soreceive, pru_sopoll_notsupp
+       .pru_abort =            rip_abort,
+       .pru_attach =           rip_attach,
+       .pru_bind =             rip_bind,
+       .pru_connect =          rip_connect,
+       .pru_control =          in_control,
+       .pru_detach =           rip_detach,
+       .pru_disconnect =       rip_disconnect,
+       .pru_peeraddr =         in_getpeeraddr,
+       .pru_send =             rip_send,
+       .pru_shutdown =         rip_shutdown,
+       .pru_sockaddr =         in_getsockaddr,
+       .pru_sosend =           sosend,
+       .pru_soreceive =        soreceive,
 };
+/* DSEP Review Done pl-20051213-v02 @3253 */