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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [net/] [tcpip/] [v2_0/] [src/] [sys/] [net/] [rtsock.c] - Diff between revs 27 and 174

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Rev 27 Rev 174
//==========================================================================
//==========================================================================
//
//
//      sys/net/rtsock.c
//      sys/net/rtsock.c
//
//
//     
//     
//
//
//==========================================================================
//==========================================================================
//####BSDCOPYRIGHTBEGIN####
//####BSDCOPYRIGHTBEGIN####
//
//
// -------------------------------------------
// -------------------------------------------
//
//
// Portions of this software may have been derived from OpenBSD or other sources,
// Portions of this software may have been derived from OpenBSD or other sources,
// and are covered by the appropriate copyright disclaimers included herein.
// and are covered by the appropriate copyright disclaimers included herein.
//
//
// -------------------------------------------
// -------------------------------------------
//
//
//####BSDCOPYRIGHTEND####
//####BSDCOPYRIGHTEND####
//==========================================================================
//==========================================================================
//#####DESCRIPTIONBEGIN####
//#####DESCRIPTIONBEGIN####
//
//
// Author(s):    gthomas
// Author(s):    gthomas
// Contributors: gthomas
// Contributors: gthomas
// Date:         2000-01-10
// Date:         2000-01-10
// Purpose:      
// Purpose:      
// Description:  
// Description:  
//              
//              
//
//
//####DESCRIPTIONEND####
//####DESCRIPTIONEND####
//
//
//==========================================================================
//==========================================================================
 
 
 
 
/*      $OpenBSD: rtsock.c,v 1.8 1999/12/08 06:50:18 itojun Exp $       */
/*      $OpenBSD: rtsock.c,v 1.8 1999/12/08 06:50:18 itojun Exp $       */
/*      $NetBSD: rtsock.c,v 1.18 1996/03/29 00:32:10 cgd Exp $  */
/*      $NetBSD: rtsock.c,v 1.18 1996/03/29 00:32:10 cgd Exp $  */
 
 
/*
/*
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
 * All rights reserved.
 * All rights reserved.
 *
 *
 * Redistribution and use in source and binary forms, with or without
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * modification, are permitted provided that the following conditions
 * are met:
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the project nor the names of its contributors
 * 3. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *    without specific prior written permission.
 *
 *
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * SUCH DAMAGE.
 */
 */
 
 
/*
/*
 * Copyright (c) 1988, 1991, 1993
 * Copyright (c) 1988, 1991, 1993
 *      The Regents of the University of California.  All rights reserved.
 *      The Regents of the University of California.  All rights reserved.
 *
 *
 * Redistribution and use in source and binary forms, with or without
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * modification, are permitted provided that the following conditions
 * are met:
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *    without specific prior written permission.
 *
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * SUCH DAMAGE.
 *
 *
 *      @(#)rtsock.c    8.6 (Berkeley) 2/11/95
 *      @(#)rtsock.c    8.6 (Berkeley) 2/11/95
 */
 */
 
 
#include <sys/param.h>
#include <sys/param.h>
#ifndef __ECOS
#ifndef __ECOS
#include <sys/systm.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <sys/proc.h>
#endif
#endif
#include <sys/mbuf.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/socketvar.h>
#include <sys/domain.h>
#include <sys/domain.h>
#include <sys/protosw.h>
#include <sys/protosw.h>
 
 
#ifndef __ECOS
#ifndef __ECOS
#include <vm/vm.h>
#include <vm/vm.h>
#include <sys/sysctl.h>
#include <sys/sysctl.h>
#endif
#endif
 
 
#include <net/if.h>
#include <net/if.h>
#include <net/route.h>
#include <net/route.h>
#include <net/raw_cb.h>
#include <net/raw_cb.h>
 
 
#include <machine/stdarg.h>
#include <machine/stdarg.h>
 
 
struct  sockaddr route_dst = { 2, PF_ROUTE, };
struct  sockaddr route_dst = { 2, PF_ROUTE, };
struct  sockaddr route_src = { 2, PF_ROUTE, };
struct  sockaddr route_src = { 2, PF_ROUTE, };
struct  sockproto route_proto = { PF_ROUTE, };
struct  sockproto route_proto = { PF_ROUTE, };
 
 
struct walkarg {
struct walkarg {
        int     w_op, w_arg, w_given, w_needed, w_tmemsize;
        int     w_op, w_arg, w_given, w_needed, w_tmemsize;
        caddr_t w_where, w_tmem;
        caddr_t w_where, w_tmem;
};
};
 
 
static struct mbuf *
static struct mbuf *
                rt_msg1 __P((int, struct rt_addrinfo *));
                rt_msg1 __P((int, struct rt_addrinfo *));
static int      rt_msg2 __P((int,
static int      rt_msg2 __P((int,
                    struct rt_addrinfo *, caddr_t, struct walkarg *));
                    struct rt_addrinfo *, caddr_t, struct walkarg *));
static void     rt_xaddrs __P((caddr_t, caddr_t, struct rt_addrinfo *));
static void     rt_xaddrs __P((caddr_t, caddr_t, struct rt_addrinfo *));
static void rt_setif __P((struct rtentry *, struct sockaddr *,
static void rt_setif __P((struct rtentry *, struct sockaddr *,
        struct sockaddr *, struct sockaddr *));
        struct sockaddr *, struct sockaddr *));
 
 
/* Sleazy use of local variables throughout file, warning!!!! */
/* Sleazy use of local variables throughout file, warning!!!! */
#define dst     info.rti_info[RTAX_DST]
#define dst     info.rti_info[RTAX_DST]
#define gate    info.rti_info[RTAX_GATEWAY]
#define gate    info.rti_info[RTAX_GATEWAY]
#define netmask info.rti_info[RTAX_NETMASK]
#define netmask info.rti_info[RTAX_NETMASK]
#define genmask info.rti_info[RTAX_GENMASK]
#define genmask info.rti_info[RTAX_GENMASK]
#define ifpaddr info.rti_info[RTAX_IFP]
#define ifpaddr info.rti_info[RTAX_IFP]
#define ifaaddr info.rti_info[RTAX_IFA]
#define ifaaddr info.rti_info[RTAX_IFA]
#define brdaddr info.rti_info[RTAX_BRD]
#define brdaddr info.rti_info[RTAX_BRD]
 
 
/*ARGSUSED*/
/*ARGSUSED*/
int
int
route_usrreq(so, req, m, nam, control)
route_usrreq(so, req, m, nam, control)
        register struct socket *so;
        register struct socket *so;
        int req;
        int req;
        struct mbuf *m, *nam, *control;
        struct mbuf *m, *nam, *control;
{
{
        register int error = 0;
        register int error = 0;
        register struct rawcb *rp = sotorawcb(so);
        register struct rawcb *rp = sotorawcb(so);
        int s;
        int s;
 
 
        if (req == PRU_ATTACH) {
        if (req == PRU_ATTACH) {
                MALLOC(rp, struct rawcb *, sizeof(*rp), M_PCB, M_WAITOK);
                MALLOC(rp, struct rawcb *, sizeof(*rp), M_PCB, M_WAITOK);
                if ((so->so_pcb = rp) != NULL)
                if ((so->so_pcb = rp) != NULL)
                        bzero(so->so_pcb, sizeof(*rp));
                        bzero(so->so_pcb, sizeof(*rp));
 
 
        }
        }
        if (req == PRU_DETACH && rp) {
        if (req == PRU_DETACH && rp) {
                int af = rp->rcb_proto.sp_protocol;
                int af = rp->rcb_proto.sp_protocol;
                if (af == AF_INET)
                if (af == AF_INET)
                        route_cb.ip_count--;
                        route_cb.ip_count--;
                else if (af == AF_INET6)
                else if (af == AF_INET6)
                        route_cb.ip6_count--;
                        route_cb.ip6_count--;
                else if (af == AF_NS)
                else if (af == AF_NS)
                        route_cb.ns_count--;
                        route_cb.ns_count--;
                else if (af == AF_ISO)
                else if (af == AF_ISO)
                        route_cb.iso_count--;
                        route_cb.iso_count--;
                route_cb.any_count--;
                route_cb.any_count--;
        }
        }
        s = splsoftnet();
        s = splsoftnet();
        /*
        /*
         * Don't call raw_usrreq() in the attach case, because
         * Don't call raw_usrreq() in the attach case, because
         * we want to allow non-privileged processes to listen on
         * we want to allow non-privileged processes to listen on
         * and send "safe" commands to the routing socket.
         * and send "safe" commands to the routing socket.
         */
         */
        if (req == PRU_ATTACH) {
        if (req == PRU_ATTACH) {
#ifndef __ECOS
#ifndef __ECOS
                if (curproc == 0)
                if (curproc == 0)
                        error = EACCES;
                        error = EACCES;
                else
                else
#endif // FIXME?
#endif // FIXME?
                        error = raw_attach(so, (int)(long)nam);
                        error = raw_attach(so, (int)(long)nam);
        } else
        } else
                error = raw_usrreq(so, req, m, nam, control);
                error = raw_usrreq(so, req, m, nam, control);
 
 
        rp = sotorawcb(so);
        rp = sotorawcb(so);
        if (req == PRU_ATTACH && rp) {
        if (req == PRU_ATTACH && rp) {
                int af = rp->rcb_proto.sp_protocol;
                int af = rp->rcb_proto.sp_protocol;
                if (error) {
                if (error) {
                        free((caddr_t)rp, M_PCB);
                        free((caddr_t)rp, M_PCB);
                        splx(s);
                        splx(s);
                        return (error);
                        return (error);
                }
                }
                if (af == AF_INET)
                if (af == AF_INET)
                        route_cb.ip_count++;
                        route_cb.ip_count++;
                else if (af == AF_INET6)
                else if (af == AF_INET6)
                        route_cb.ip6_count++;
                        route_cb.ip6_count++;
                else if (af == AF_NS)
                else if (af == AF_NS)
                        route_cb.ns_count++;
                        route_cb.ns_count++;
                else if (af == AF_ISO)
                else if (af == AF_ISO)
                        route_cb.iso_count++;
                        route_cb.iso_count++;
                rp->rcb_faddr = &route_src;
                rp->rcb_faddr = &route_src;
                route_cb.any_count++;
                route_cb.any_count++;
                soisconnected(so);
                soisconnected(so);
                so->so_options |= SO_USELOOPBACK;
                so->so_options |= SO_USELOOPBACK;
        }
        }
        splx(s);
        splx(s);
        return (error);
        return (error);
}
}
 
 
/*ARGSUSED*/
/*ARGSUSED*/
int
int
#if __STDC__
#if __STDC__
route_output(struct mbuf *m, ...)
route_output(struct mbuf *m, ...)
#else
#else
route_output(m, va_alist)
route_output(m, va_alist)
        struct mbuf *m;
        struct mbuf *m;
        va_dcl
        va_dcl
#endif
#endif
{
{
        register struct rt_msghdr *rtm = 0;
        register struct rt_msghdr *rtm = 0;
        register struct rtentry *rt = 0;
        register struct rtentry *rt = 0;
        struct rtentry *saved_nrt = 0;
        struct rtentry *saved_nrt = 0;
        struct radix_node_head *rnh;
        struct radix_node_head *rnh;
        struct rt_addrinfo info;
        struct rt_addrinfo info;
        int len, error = 0;
        int len, error = 0;
        struct ifnet *ifp = 0;
        struct ifnet *ifp = 0;
        struct socket *so;
        struct socket *so;
        va_list ap;
        va_list ap;
 
 
        va_start(ap, m);
        va_start(ap, m);
        so = va_arg(ap, struct socket *);
        so = va_arg(ap, struct socket *);
        va_end(ap);
        va_end(ap);
 
 
        bzero(&info, sizeof(info));
        bzero(&info, sizeof(info));
#define senderr(e) { error = e; goto flush;}
#define senderr(e) { error = e; goto flush;}
        if (m == 0 || ((m->m_len < sizeof(int32_t)) &&
        if (m == 0 || ((m->m_len < sizeof(int32_t)) &&
                       (m = m_pullup(m, sizeof(int32_t))) == 0))
                       (m = m_pullup(m, sizeof(int32_t))) == 0))
                return (ENOBUFS);
                return (ENOBUFS);
        if ((m->m_flags & M_PKTHDR) == 0)
        if ((m->m_flags & M_PKTHDR) == 0)
                panic("route_output");
                panic("route_output");
        len = m->m_pkthdr.len;
        len = m->m_pkthdr.len;
        if (len < sizeof(*rtm) ||
        if (len < sizeof(*rtm) ||
            len != mtod(m, struct rt_msghdr *)->rtm_msglen) {
            len != mtod(m, struct rt_msghdr *)->rtm_msglen) {
                dst = 0;
                dst = 0;
                senderr(EINVAL);
                senderr(EINVAL);
        }
        }
        R_Malloc(rtm, struct rt_msghdr *, len);
        R_Malloc(rtm, struct rt_msghdr *, len);
        if (rtm == 0) {
        if (rtm == 0) {
                dst = 0;
                dst = 0;
                senderr(ENOBUFS);
                senderr(ENOBUFS);
        }
        }
        m_copydata(m, 0, len, (caddr_t)rtm);
        m_copydata(m, 0, len, (caddr_t)rtm);
        if (rtm->rtm_version != RTM_VERSION) {
        if (rtm->rtm_version != RTM_VERSION) {
                dst = 0;
                dst = 0;
                senderr(EPROTONOSUPPORT);
                senderr(EPROTONOSUPPORT);
        }
        }
#ifdef __ECOS
#ifdef __ECOS
        rtm->rtm_pid = 0; // FIXME
        rtm->rtm_pid = 0; // FIXME
#else
#else
        rtm->rtm_pid = curproc->p_pid;
        rtm->rtm_pid = curproc->p_pid;
#endif
#endif
        info.rti_addrs = rtm->rtm_addrs;
        info.rti_addrs = rtm->rtm_addrs;
        rt_xaddrs((caddr_t)(rtm + 1), len + (caddr_t)rtm, &info);
        rt_xaddrs((caddr_t)(rtm + 1), len + (caddr_t)rtm, &info);
        if (dst == 0)
        if (dst == 0)
                senderr(EINVAL);
                senderr(EINVAL);
        if (genmask) {
        if (genmask) {
                struct radix_node *t;
                struct radix_node *t;
                t = rn_addmask((caddr_t)genmask, 0, 1);
                t = rn_addmask((caddr_t)genmask, 0, 1);
                if (t && Bcmp(genmask, t->rn_key, *(u_char *)genmask) == 0)
                if (t && Bcmp(genmask, t->rn_key, *(u_char *)genmask) == 0)
                        genmask = (struct sockaddr *)(t->rn_key);
                        genmask = (struct sockaddr *)(t->rn_key);
                else
                else
                        senderr(ENOBUFS);
                        senderr(ENOBUFS);
        }
        }
 
 
        /*
        /*
         * Verify that the caller has the appropriate privilege; RTM_GET
         * Verify that the caller has the appropriate privilege; RTM_GET
         * is the only operation the non-superuser is allowed.
         * is the only operation the non-superuser is allowed.
         */
         */
#ifndef __ECOS
#ifndef __ECOS
        if (rtm->rtm_type != RTM_GET &&
        if (rtm->rtm_type != RTM_GET &&
            suser(curproc->p_ucred, &curproc->p_acflag) != 0)
            suser(curproc->p_ucred, &curproc->p_acflag) != 0)
                senderr(EACCES);
                senderr(EACCES);
#endif
#endif
        switch (rtm->rtm_type) {
        switch (rtm->rtm_type) {
 
 
        case RTM_ADD:
        case RTM_ADD:
                if (gate == 0)
                if (gate == 0)
                        senderr(EINVAL);
                        senderr(EINVAL);
                error = rtrequest(RTM_ADD, dst, gate, netmask,
                error = rtrequest(RTM_ADD, dst, gate, netmask,
                                        rtm->rtm_flags, &saved_nrt);
                                        rtm->rtm_flags, &saved_nrt);
                if (error == 0 && saved_nrt) {
                if (error == 0 && saved_nrt) {
                        /*
                        /*
                         * If the route request specified an interface with
                         * If the route request specified an interface with
                         * IFA and/or IFP, we set the requested interface on
                         * IFA and/or IFP, we set the requested interface on
                         * the route with rt_setif.  It would be much better
                         * the route with rt_setif.  It would be much better
                         * to do this inside rtrequest, but that would
                         * to do this inside rtrequest, but that would
                         * require passing the desired interface, in some
                         * require passing the desired interface, in some
                         * form, to rtrequest.  Since rtrequest is called in
                         * form, to rtrequest.  Since rtrequest is called in
                         * so many places (roughly 40 in our source), adding
                         * so many places (roughly 40 in our source), adding
                         * a parameter is to much for us to swallow; this is
                         * a parameter is to much for us to swallow; this is
                         * something for the FreeBSD developers to tackle.
                         * something for the FreeBSD developers to tackle.
                         * Instead, we let rtrequest compute whatever
                         * Instead, we let rtrequest compute whatever
                         * interface it wants, then come in behind it and
                         * interface it wants, then come in behind it and
                         * stick in the interface that we really want.  This
                         * stick in the interface that we really want.  This
                         * works reasonably well except when rtrequest can't
                         * works reasonably well except when rtrequest can't
                         * figure out what interface to use (with
                         * figure out what interface to use (with
                         * ifa_withroute) and returns ENETUNREACH.  Ideally
                         * ifa_withroute) and returns ENETUNREACH.  Ideally
                         * it shouldn't matter if rtrequest can't figure out
                         * it shouldn't matter if rtrequest can't figure out
                         * the interface if we're going to explicitly set it
                         * the interface if we're going to explicitly set it
                         * ourselves anyway.  But practically we can't
                         * ourselves anyway.  But practically we can't
                         * recover here because rtrequest will not do any of
                         * recover here because rtrequest will not do any of
                         * the work necessary to add the route if it can't
                         * the work necessary to add the route if it can't
                         * find an interface.  As long as there is a default
                         * find an interface.  As long as there is a default
                         * route that leads to some interface, rtrequest will
                         * route that leads to some interface, rtrequest will
                         * find an interface, so this problem should be
                         * find an interface, so this problem should be
                         * rarely encountered.
                         * rarely encountered.
                         * dwiggins@bbn.com
                         * dwiggins@bbn.com
                         */
                         */
 
 
                        rt_setif(saved_nrt, ifpaddr, ifaaddr, gate);
                        rt_setif(saved_nrt, ifpaddr, ifaaddr, gate);
                        rt_setmetrics(rtm->rtm_inits,
                        rt_setmetrics(rtm->rtm_inits,
                                &rtm->rtm_rmx, &saved_nrt->rt_rmx);
                                &rtm->rtm_rmx, &saved_nrt->rt_rmx);
                        saved_nrt->rt_refcnt--;
                        saved_nrt->rt_refcnt--;
                        saved_nrt->rt_genmask = genmask;
                        saved_nrt->rt_genmask = genmask;
                }
                }
                break;
                break;
 
 
        case RTM_DELETE:
        case RTM_DELETE:
                error = rtrequest(RTM_DELETE, dst, gate, netmask,
                error = rtrequest(RTM_DELETE, dst, gate, netmask,
                                rtm->rtm_flags, &saved_nrt);
                                rtm->rtm_flags, &saved_nrt);
                if (error == 0) {
                if (error == 0) {
                        (rt = saved_nrt)->rt_refcnt++;
                        (rt = saved_nrt)->rt_refcnt++;
                        goto report;
                        goto report;
                }
                }
                break;
                break;
 
 
        case RTM_GET:
        case RTM_GET:
        case RTM_CHANGE:
        case RTM_CHANGE:
        case RTM_LOCK:
        case RTM_LOCK:
                if ((rnh = rt_tables[dst->sa_family]) == 0) {
                if ((rnh = rt_tables[dst->sa_family]) == 0) {
                        senderr(EAFNOSUPPORT);
                        senderr(EAFNOSUPPORT);
                } else if ((rt = (struct rtentry *)
                } else if ((rt = (struct rtentry *)
                                rnh->rnh_lookup(dst, netmask, rnh)) != NULL)
                                rnh->rnh_lookup(dst, netmask, rnh)) != NULL)
                        rt->rt_refcnt++;
                        rt->rt_refcnt++;
                else
                else
                        senderr(ESRCH);
                        senderr(ESRCH);
                switch(rtm->rtm_type) {
                switch(rtm->rtm_type) {
 
 
                case RTM_GET:
                case RTM_GET:
                report:
                report:
                        dst = rt_key(rt);
                        dst = rt_key(rt);
                        gate = rt->rt_gateway;
                        gate = rt->rt_gateway;
                        netmask = rt_mask(rt);
                        netmask = rt_mask(rt);
                        genmask = rt->rt_genmask;
                        genmask = rt->rt_genmask;
                        if (rtm->rtm_addrs & (RTA_IFP | RTA_IFA)) {
                        if (rtm->rtm_addrs & (RTA_IFP | RTA_IFA)) {
                                if ((ifp = rt->rt_ifp) != NULL) {
                                if ((ifp = rt->rt_ifp) != NULL) {
                                        ifpaddr = ifp->if_addrlist.tqh_first->ifa_addr;
                                        ifpaddr = ifp->if_addrlist.tqh_first->ifa_addr;
                                        ifaaddr = rt->rt_ifa->ifa_addr;
                                        ifaaddr = rt->rt_ifa->ifa_addr;
                                        if (ifp->if_flags & IFF_POINTOPOINT)
                                        if (ifp->if_flags & IFF_POINTOPOINT)
                                                brdaddr = rt->rt_ifa->ifa_dstaddr;
                                                brdaddr = rt->rt_ifa->ifa_dstaddr;
                                        else
                                        else
                                                brdaddr = 0;
                                                brdaddr = 0;
                                        rtm->rtm_index = ifp->if_index;
                                        rtm->rtm_index = ifp->if_index;
                                } else {
                                } else {
                                        ifpaddr = 0;
                                        ifpaddr = 0;
                                        ifaaddr = 0;
                                        ifaaddr = 0;
                            }
                            }
                        }
                        }
                        len = rt_msg2(rtm->rtm_type, &info, (caddr_t)0,
                        len = rt_msg2(rtm->rtm_type, &info, (caddr_t)0,
                                (struct walkarg *)0);
                                (struct walkarg *)0);
                        if (len > rtm->rtm_msglen) {
                        if (len > rtm->rtm_msglen) {
                                struct rt_msghdr *new_rtm;
                                struct rt_msghdr *new_rtm;
                                R_Malloc(new_rtm, struct rt_msghdr *, len);
                                R_Malloc(new_rtm, struct rt_msghdr *, len);
                                if (new_rtm == 0)
                                if (new_rtm == 0)
                                        senderr(ENOBUFS);
                                        senderr(ENOBUFS);
                                Bcopy(rtm, new_rtm, rtm->rtm_msglen);
                                Bcopy(rtm, new_rtm, rtm->rtm_msglen);
                                Free(rtm); rtm = new_rtm;
                                Free(rtm); rtm = new_rtm;
                        }
                        }
                        (void)rt_msg2(rtm->rtm_type, &info, (caddr_t)rtm,
                        (void)rt_msg2(rtm->rtm_type, &info, (caddr_t)rtm,
                                (struct walkarg *)0);
                                (struct walkarg *)0);
                        rtm->rtm_flags = rt->rt_flags;
                        rtm->rtm_flags = rt->rt_flags;
                        rtm->rtm_rmx = rt->rt_rmx;
                        rtm->rtm_rmx = rt->rt_rmx;
                        rtm->rtm_addrs = info.rti_addrs;
                        rtm->rtm_addrs = info.rti_addrs;
                        break;
                        break;
 
 
                case RTM_CHANGE:
                case RTM_CHANGE:
                        if (gate && rt_setgate(rt, rt_key(rt), gate))
                        if (gate && rt_setgate(rt, rt_key(rt), gate))
#ifdef __ECOS
#ifdef __ECOS
                                senderr(EMFILE);
                                senderr(EMFILE);
#else
#else
                                senderr(EDQUOT);
                                senderr(EDQUOT);
#endif
#endif
 
 
#if 1
#if 1
                        rt_setif(rt, ifpaddr, ifaaddr, gate);
                        rt_setif(rt, ifpaddr, ifaaddr, gate);
#else
#else
                        /* new gateway could require new ifaddr, ifp;
                        /* new gateway could require new ifaddr, ifp;
                           flags may also be different; ifp may be specified
                           flags may also be different; ifp may be specified
                           by ll sockaddr when protocol address is ambiguous */
                           by ll sockaddr when protocol address is ambiguous */
                        if (ifpaddr && (ifa = ifa_ifwithnet(ifpaddr)) &&
                        if (ifpaddr && (ifa = ifa_ifwithnet(ifpaddr)) &&
                            (ifp = ifa->ifa_ifp) && (ifaaddr || gate))
                            (ifp = ifa->ifa_ifp) && (ifaaddr || gate))
                                ifa = ifaof_ifpforaddr(ifaaddr ? ifaaddr : gate,
                                ifa = ifaof_ifpforaddr(ifaaddr ? ifaaddr : gate,
                                                        ifp);
                                                        ifp);
                        else if ((ifaaddr && (ifa = ifa_ifwithaddr(ifaaddr))) ||
                        else if ((ifaaddr && (ifa = ifa_ifwithaddr(ifaaddr))) ||
                                 (gate && (ifa = ifa_ifwithroute(rt->rt_flags,
                                 (gate && (ifa = ifa_ifwithroute(rt->rt_flags,
                                                        rt_key(rt), gate))))
                                                        rt_key(rt), gate))))
                                ifp = ifa->ifa_ifp;
                                ifp = ifa->ifa_ifp;
                        if (ifa) {
                        if (ifa) {
                                register struct ifaddr *oifa = rt->rt_ifa;
                                register struct ifaddr *oifa = rt->rt_ifa;
                                if (oifa != ifa) {
                                if (oifa != ifa) {
                                    if (oifa && oifa->ifa_rtrequest)
                                    if (oifa && oifa->ifa_rtrequest)
                                        oifa->ifa_rtrequest(RTM_DELETE,
                                        oifa->ifa_rtrequest(RTM_DELETE,
                                                                rt, gate);
                                                                rt, gate);
                                    IFAFREE(rt->rt_ifa);
                                    IFAFREE(rt->rt_ifa);
                                    rt->rt_ifa = ifa;
                                    rt->rt_ifa = ifa;
                                    ifa->ifa_refcnt++;
                                    ifa->ifa_refcnt++;
                                    rt->rt_ifp = ifp;
                                    rt->rt_ifp = ifp;
                                }
                                }
                        }
                        }
#endif
#endif
                        rt_setmetrics(rtm->rtm_inits, &rtm->rtm_rmx,
                        rt_setmetrics(rtm->rtm_inits, &rtm->rtm_rmx,
                                        &rt->rt_rmx);
                                        &rt->rt_rmx);
#if 0
#if 0
                        if (rt->rt_ifa && rt->rt_ifa->ifa_rtrequest)
                        if (rt->rt_ifa && rt->rt_ifa->ifa_rtrequest)
                               rt->rt_ifa->ifa_rtrequest(RTM_ADD, rt, gate);
                               rt->rt_ifa->ifa_rtrequest(RTM_ADD, rt, gate);
#endif
#endif
                        if (genmask)
                        if (genmask)
                                rt->rt_genmask = genmask;
                                rt->rt_genmask = genmask;
                        /*
                        /*
                         * Fall into
                         * Fall into
                         */
                         */
                case RTM_LOCK:
                case RTM_LOCK:
                        rt->rt_rmx.rmx_locks &= ~(rtm->rtm_inits);
                        rt->rt_rmx.rmx_locks &= ~(rtm->rtm_inits);
                        rt->rt_rmx.rmx_locks |=
                        rt->rt_rmx.rmx_locks |=
                                (rtm->rtm_inits & rtm->rtm_rmx.rmx_locks);
                                (rtm->rtm_inits & rtm->rtm_rmx.rmx_locks);
                        break;
                        break;
                }
                }
                break;
                break;
 
 
        default:
        default:
                senderr(EOPNOTSUPP);
                senderr(EOPNOTSUPP);
        }
        }
 
 
flush:
flush:
        if (rtm) {
        if (rtm) {
                if (error)
                if (error)
                        rtm->rtm_errno = error;
                        rtm->rtm_errno = error;
                else
                else
                        rtm->rtm_flags |= RTF_DONE;
                        rtm->rtm_flags |= RTF_DONE;
        }
        }
        if (rt)
        if (rt)
                rtfree(rt);
                rtfree(rt);
    {
    {
        register struct rawcb *rp = 0;
        register struct rawcb *rp = 0;
        /*
        /*
         * Check to see if we don't want our own messages.
         * Check to see if we don't want our own messages.
         */
         */
        if ((so->so_options & SO_USELOOPBACK) == 0) {
        if ((so->so_options & SO_USELOOPBACK) == 0) {
                if (route_cb.any_count <= 1) {
                if (route_cb.any_count <= 1) {
                        if (rtm)
                        if (rtm)
                                Free(rtm);
                                Free(rtm);
                        m_freem(m);
                        m_freem(m);
                        return (error);
                        return (error);
                }
                }
                /* There is another listener, so construct message */
                /* There is another listener, so construct message */
                rp = sotorawcb(so);
                rp = sotorawcb(so);
        }
        }
        if (rtm) {
        if (rtm) {
                m_copyback(m, 0, rtm->rtm_msglen, (caddr_t)rtm);
                m_copyback(m, 0, rtm->rtm_msglen, (caddr_t)rtm);
                Free(rtm);
                Free(rtm);
        }
        }
        if (rp)
        if (rp)
                rp->rcb_proto.sp_family = 0; /* Avoid us */
                rp->rcb_proto.sp_family = 0; /* Avoid us */
        if (dst)
        if (dst)
                route_proto.sp_protocol = dst->sa_family;
                route_proto.sp_protocol = dst->sa_family;
        raw_input(m, &route_proto, &route_src, &route_dst);
        raw_input(m, &route_proto, &route_src, &route_dst);
        if (rp)
        if (rp)
                rp->rcb_proto.sp_family = PF_ROUTE;
                rp->rcb_proto.sp_family = PF_ROUTE;
    }
    }
        return (error);
        return (error);
}
}
 
 
void
void
rt_setmetrics(which, in, out)
rt_setmetrics(which, in, out)
        u_long which;
        u_long which;
        register struct rt_metrics *in, *out;
        register struct rt_metrics *in, *out;
{
{
#define metric(f, e) if (which & (f)) out->e = in->e;
#define metric(f, e) if (which & (f)) out->e = in->e;
        metric(RTV_RPIPE, rmx_recvpipe);
        metric(RTV_RPIPE, rmx_recvpipe);
        metric(RTV_SPIPE, rmx_sendpipe);
        metric(RTV_SPIPE, rmx_sendpipe);
        metric(RTV_SSTHRESH, rmx_ssthresh);
        metric(RTV_SSTHRESH, rmx_ssthresh);
        metric(RTV_RTT, rmx_rtt);
        metric(RTV_RTT, rmx_rtt);
        metric(RTV_RTTVAR, rmx_rttvar);
        metric(RTV_RTTVAR, rmx_rttvar);
        metric(RTV_HOPCOUNT, rmx_hopcount);
        metric(RTV_HOPCOUNT, rmx_hopcount);
        metric(RTV_MTU, rmx_mtu);
        metric(RTV_MTU, rmx_mtu);
        metric(RTV_EXPIRE, rmx_expire);
        metric(RTV_EXPIRE, rmx_expire);
#undef metric
#undef metric
}
}
 
 
/*
/*
 * Set route's interface given ifpaddr, ifaaddr, and gateway.
 * Set route's interface given ifpaddr, ifaaddr, and gateway.
 */
 */
static void
static void
rt_setif(rt, Ifpaddr, Ifaaddr, Gate)
rt_setif(rt, Ifpaddr, Ifaaddr, Gate)
        struct rtentry *rt;
        struct rtentry *rt;
        struct sockaddr *Ifpaddr, *Ifaaddr, *Gate;
        struct sockaddr *Ifpaddr, *Ifaaddr, *Gate;
{
{
        struct ifaddr *ifa = 0;
        struct ifaddr *ifa = 0;
        struct ifnet  *ifp = 0;
        struct ifnet  *ifp = 0;
 
 
        /* new gateway could require new ifaddr, ifp;
        /* new gateway could require new ifaddr, ifp;
           flags may also be different; ifp may be specified
           flags may also be different; ifp may be specified
           by ll sockaddr when protocol address is ambiguous */
           by ll sockaddr when protocol address is ambiguous */
        if (Ifpaddr && (ifa = ifa_ifwithnet(Ifpaddr)) &&
        if (Ifpaddr && (ifa = ifa_ifwithnet(Ifpaddr)) &&
            (ifp = ifa->ifa_ifp) && (Ifaaddr || Gate))
            (ifp = ifa->ifa_ifp) && (Ifaaddr || Gate))
                ifa = ifaof_ifpforaddr(Ifaaddr ? Ifaaddr : Gate,
                ifa = ifaof_ifpforaddr(Ifaaddr ? Ifaaddr : Gate,
                                        ifp);
                                        ifp);
        else if (Ifpaddr && (ifp = if_withname(Ifpaddr)) ) {
        else if (Ifpaddr && (ifp = if_withname(Ifpaddr)) ) {
                ifa = Gate ? ifaof_ifpforaddr(Gate, ifp) :
                ifa = Gate ? ifaof_ifpforaddr(Gate, ifp) :
                                TAILQ_FIRST(&ifp->if_addrlist);
                                TAILQ_FIRST(&ifp->if_addrlist);
        }
        }
        else if ((Ifaaddr && (ifa = ifa_ifwithaddr(Ifaaddr))) ||
        else if ((Ifaaddr && (ifa = ifa_ifwithaddr(Ifaaddr))) ||
                 (Gate && (ifa = ifa_ifwithroute(rt->rt_flags,
                 (Gate && (ifa = ifa_ifwithroute(rt->rt_flags,
                                        rt_key(rt), Gate))))
                                        rt_key(rt), Gate))))
                ifp = ifa->ifa_ifp;
                ifp = ifa->ifa_ifp;
        if (ifa) {
        if (ifa) {
                register struct ifaddr *oifa = rt->rt_ifa;
                register struct ifaddr *oifa = rt->rt_ifa;
                if (oifa != ifa) {
                if (oifa != ifa) {
                    if (oifa && oifa->ifa_rtrequest)
                    if (oifa && oifa->ifa_rtrequest)
                        oifa->ifa_rtrequest(RTM_DELETE,
                        oifa->ifa_rtrequest(RTM_DELETE,
                                                rt, Gate);
                                                rt, Gate);
                    IFAFREE(rt->rt_ifa);
                    IFAFREE(rt->rt_ifa);
                    rt->rt_ifa = ifa;
                    rt->rt_ifa = ifa;
                    ifa->ifa_refcnt++;
                    ifa->ifa_refcnt++;
                    rt->rt_ifp = ifp;
                    rt->rt_ifp = ifp;
                    rt->rt_rmx.rmx_mtu = ifp->if_mtu;
                    rt->rt_rmx.rmx_mtu = ifp->if_mtu;
                    if (rt->rt_ifa && rt->rt_ifa->ifa_rtrequest)
                    if (rt->rt_ifa && rt->rt_ifa->ifa_rtrequest)
                        rt->rt_ifa->ifa_rtrequest(RTM_ADD, rt, Gate);
                        rt->rt_ifa->ifa_rtrequest(RTM_ADD, rt, Gate);
                } else
                } else
                        goto call_ifareq;
                        goto call_ifareq;
                return;
                return;
        }
        }
      call_ifareq:
      call_ifareq:
        /* XXX: to reset gateway to correct value, at RTM_CHANGE */
        /* XXX: to reset gateway to correct value, at RTM_CHANGE */
        if (rt->rt_ifa && rt->rt_ifa->ifa_rtrequest)
        if (rt->rt_ifa && rt->rt_ifa->ifa_rtrequest)
                rt->rt_ifa->ifa_rtrequest(RTM_ADD, rt, Gate);
                rt->rt_ifa->ifa_rtrequest(RTM_ADD, rt, Gate);
}
}
 
 
 
 
#define ROUNDUP(a) \
#define ROUNDUP(a) \
        ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
        ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
#define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
#define ADVANCE(x, n) (x += ROUNDUP((n)->sa_len))
 
 
static void
static void
rt_xaddrs(cp, cplim, rtinfo)
rt_xaddrs(cp, cplim, rtinfo)
        register caddr_t cp, cplim;
        register caddr_t cp, cplim;
        register struct rt_addrinfo *rtinfo;
        register struct rt_addrinfo *rtinfo;
{
{
        register struct sockaddr *sa;
        register struct sockaddr *sa;
        register int i;
        register int i;
 
 
        bzero(rtinfo->rti_info, sizeof(rtinfo->rti_info));
        bzero(rtinfo->rti_info, sizeof(rtinfo->rti_info));
        for (i = 0; (i < RTAX_MAX) && (cp < cplim); i++) {
        for (i = 0; (i < RTAX_MAX) && (cp < cplim); i++) {
                if ((rtinfo->rti_addrs & (1 << i)) == 0)
                if ((rtinfo->rti_addrs & (1 << i)) == 0)
                        continue;
                        continue;
                rtinfo->rti_info[i] = sa = (struct sockaddr *)cp;
                rtinfo->rti_info[i] = sa = (struct sockaddr *)cp;
                ADVANCE(cp, sa);
                ADVANCE(cp, sa);
        }
        }
}
}
 
 
/*
/*
 * Copy data from a buffer back into the indicated mbuf chain,
 * Copy data from a buffer back into the indicated mbuf chain,
 * starting "off" bytes from the beginning, extending the mbuf
 * starting "off" bytes from the beginning, extending the mbuf
 * chain if necessary. The mbuf needs to be properly initalized
 * chain if necessary. The mbuf needs to be properly initalized
 * including the setting of m_len.
 * including the setting of m_len.
 */
 */
void
void
m_copyback(m0, off, len, cp)
m_copyback(m0, off, len, cp)
        struct  mbuf *m0;
        struct  mbuf *m0;
        register int off;
        register int off;
        register int len;
        register int len;
        caddr_t cp;
        caddr_t cp;
{
{
        register int mlen;
        register int mlen;
        register struct mbuf *m = m0, *n;
        register struct mbuf *m = m0, *n;
        int totlen = 0;
        int totlen = 0;
 
 
        if (m0 == 0)
        if (m0 == 0)
                return;
                return;
        while (off > (mlen = m->m_len)) {
        while (off > (mlen = m->m_len)) {
                off -= mlen;
                off -= mlen;
                totlen += mlen;
                totlen += mlen;
                if (m->m_next == 0) {
                if (m->m_next == 0) {
                        n = m_getclr(M_DONTWAIT, m->m_type);
                        n = m_getclr(M_DONTWAIT, m->m_type);
                        if (n == 0)
                        if (n == 0)
                                goto out;
                                goto out;
                        n->m_len = min(MLEN, len + off);
                        n->m_len = min(MLEN, len + off);
                        m->m_next = n;
                        m->m_next = n;
                }
                }
                m = m->m_next;
                m = m->m_next;
        }
        }
        while (len > 0) {
        while (len > 0) {
                mlen = min (m->m_len - off, len);
                mlen = min (m->m_len - off, len);
                bcopy(cp, off + mtod(m, caddr_t), (unsigned)mlen);
                bcopy(cp, off + mtod(m, caddr_t), (unsigned)mlen);
                cp += mlen;
                cp += mlen;
                len -= mlen;
                len -= mlen;
                mlen += off;
                mlen += off;
                off = 0;
                off = 0;
                totlen += mlen;
                totlen += mlen;
                if (len == 0)
                if (len == 0)
                        break;
                        break;
                if (m->m_next == 0) {
                if (m->m_next == 0) {
                        n = m_get(M_DONTWAIT, m->m_type);
                        n = m_get(M_DONTWAIT, m->m_type);
                        if (n == 0)
                        if (n == 0)
                                break;
                                break;
                        n->m_len = min(MLEN, len);
                        n->m_len = min(MLEN, len);
                        m->m_next = n;
                        m->m_next = n;
                }
                }
                m = m->m_next;
                m = m->m_next;
        }
        }
out:    if (((m = m0)->m_flags & M_PKTHDR) && (m->m_pkthdr.len < totlen))
out:    if (((m = m0)->m_flags & M_PKTHDR) && (m->m_pkthdr.len < totlen))
                m->m_pkthdr.len = totlen;
                m->m_pkthdr.len = totlen;
}
}
 
 
static struct mbuf *
static struct mbuf *
rt_msg1(type, rtinfo)
rt_msg1(type, rtinfo)
        int type;
        int type;
        register struct rt_addrinfo *rtinfo;
        register struct rt_addrinfo *rtinfo;
{
{
        register struct rt_msghdr *rtm;
        register struct rt_msghdr *rtm;
        register struct mbuf *m;
        register struct mbuf *m;
        register int i;
        register int i;
        register struct sockaddr *sa;
        register struct sockaddr *sa;
        int len, dlen;
        int len, dlen;
 
 
        m = m_gethdr(M_DONTWAIT, MT_DATA);
        m = m_gethdr(M_DONTWAIT, MT_DATA);
        if (m == 0)
        if (m == 0)
                return (m);
                return (m);
        switch (type) {
        switch (type) {
 
 
        case RTM_DELADDR:
        case RTM_DELADDR:
        case RTM_NEWADDR:
        case RTM_NEWADDR:
                len = sizeof(struct ifa_msghdr);
                len = sizeof(struct ifa_msghdr);
                break;
                break;
 
 
        case RTM_IFINFO:
        case RTM_IFINFO:
                len = sizeof(struct if_msghdr);
                len = sizeof(struct if_msghdr);
                break;
                break;
 
 
        default:
        default:
                len = sizeof(struct rt_msghdr);
                len = sizeof(struct rt_msghdr);
        }
        }
        if (len > MHLEN)
        if (len > MHLEN)
                panic("rt_msg1");
                panic("rt_msg1");
        m->m_pkthdr.len = m->m_len = len;
        m->m_pkthdr.len = m->m_len = len;
        m->m_pkthdr.rcvif = 0;
        m->m_pkthdr.rcvif = 0;
        rtm = mtod(m, struct rt_msghdr *);
        rtm = mtod(m, struct rt_msghdr *);
        bzero((caddr_t)rtm, len);
        bzero((caddr_t)rtm, len);
        for (i = 0; i < RTAX_MAX; i++) {
        for (i = 0; i < RTAX_MAX; i++) {
                if ((sa = rtinfo->rti_info[i]) == NULL)
                if ((sa = rtinfo->rti_info[i]) == NULL)
                        continue;
                        continue;
                rtinfo->rti_addrs |= (1 << i);
                rtinfo->rti_addrs |= (1 << i);
                dlen = ROUNDUP(sa->sa_len);
                dlen = ROUNDUP(sa->sa_len);
                m_copyback(m, len, dlen, (caddr_t)sa);
                m_copyback(m, len, dlen, (caddr_t)sa);
                len += dlen;
                len += dlen;
        }
        }
        if (m->m_pkthdr.len != len) {
        if (m->m_pkthdr.len != len) {
                m_freem(m);
                m_freem(m);
                return (NULL);
                return (NULL);
        }
        }
        rtm->rtm_msglen = len;
        rtm->rtm_msglen = len;
        rtm->rtm_version = RTM_VERSION;
        rtm->rtm_version = RTM_VERSION;
        rtm->rtm_type = type;
        rtm->rtm_type = type;
        return (m);
        return (m);
}
}
 
 
static int
static int
rt_msg2(type, rtinfo, cp, w)
rt_msg2(type, rtinfo, cp, w)
        int type;
        int type;
        register struct rt_addrinfo *rtinfo;
        register struct rt_addrinfo *rtinfo;
        caddr_t cp;
        caddr_t cp;
        struct walkarg *w;
        struct walkarg *w;
{
{
        register int i;
        register int i;
        int len, dlen, second_time = 0;
        int len, dlen, second_time = 0;
        caddr_t cp0;
        caddr_t cp0;
 
 
        rtinfo->rti_addrs = 0;
        rtinfo->rti_addrs = 0;
again:
again:
        switch (type) {
        switch (type) {
 
 
        case RTM_DELADDR:
        case RTM_DELADDR:
        case RTM_NEWADDR:
        case RTM_NEWADDR:
                len = sizeof(struct ifa_msghdr);
                len = sizeof(struct ifa_msghdr);
                break;
                break;
 
 
        case RTM_IFINFO:
        case RTM_IFINFO:
                len = sizeof(struct if_msghdr);
                len = sizeof(struct if_msghdr);
                break;
                break;
 
 
        default:
        default:
                len = sizeof(struct rt_msghdr);
                len = sizeof(struct rt_msghdr);
        }
        }
        if ((cp0 = cp) != NULL)
        if ((cp0 = cp) != NULL)
                cp += len;
                cp += len;
        for (i = 0; i < RTAX_MAX; i++) {
        for (i = 0; i < RTAX_MAX; i++) {
                register struct sockaddr *sa;
                register struct sockaddr *sa;
 
 
                if ((sa = rtinfo->rti_info[i]) == 0)
                if ((sa = rtinfo->rti_info[i]) == 0)
                        continue;
                        continue;
                rtinfo->rti_addrs |= (1 << i);
                rtinfo->rti_addrs |= (1 << i);
                dlen = ROUNDUP(sa->sa_len);
                dlen = ROUNDUP(sa->sa_len);
                if (cp) {
                if (cp) {
                        bcopy((caddr_t)sa, cp, (unsigned)dlen);
                        bcopy((caddr_t)sa, cp, (unsigned)dlen);
                        cp += dlen;
                        cp += dlen;
                }
                }
                len += dlen;
                len += dlen;
        }
        }
        if (cp == 0 && w != NULL && !second_time) {
        if (cp == 0 && w != NULL && !second_time) {
                register struct walkarg *rw = w;
                register struct walkarg *rw = w;
 
 
                rw->w_needed += len;
                rw->w_needed += len;
                if (rw->w_needed <= 0 && rw->w_where) {
                if (rw->w_needed <= 0 && rw->w_where) {
                        if (rw->w_tmemsize < len) {
                        if (rw->w_tmemsize < len) {
                                if (rw->w_tmem)
                                if (rw->w_tmem)
                                        free(rw->w_tmem, M_RTABLE);
                                        free(rw->w_tmem, M_RTABLE);
                                rw->w_tmem = (caddr_t) malloc(len, M_RTABLE,
                                rw->w_tmem = (caddr_t) malloc(len, M_RTABLE,
                                                              M_NOWAIT);
                                                              M_NOWAIT);
                                if (rw->w_tmem)
                                if (rw->w_tmem)
                                        rw->w_tmemsize = len;
                                        rw->w_tmemsize = len;
                        }
                        }
                        if (rw->w_tmem) {
                        if (rw->w_tmem) {
                                cp = rw->w_tmem;
                                cp = rw->w_tmem;
                                second_time = 1;
                                second_time = 1;
                                goto again;
                                goto again;
                        } else
                        } else
                                rw->w_where = 0;
                                rw->w_where = 0;
                }
                }
        }
        }
        if (cp) {
        if (cp) {
                register struct rt_msghdr *rtm = (struct rt_msghdr *)cp0;
                register struct rt_msghdr *rtm = (struct rt_msghdr *)cp0;
 
 
                rtm->rtm_version = RTM_VERSION;
                rtm->rtm_version = RTM_VERSION;
                rtm->rtm_type = type;
                rtm->rtm_type = type;
                rtm->rtm_msglen = len;
                rtm->rtm_msglen = len;
        }
        }
        return (len);
        return (len);
}
}
 
 
/*
/*
 * This routine is called to generate a message from the routing
 * This routine is called to generate a message from the routing
 * socket indicating that a redirect has occured, a routing lookup
 * socket indicating that a redirect has occured, a routing lookup
 * has failed, or that a protocol has detected timeouts to a particular
 * has failed, or that a protocol has detected timeouts to a particular
 * destination.
 * destination.
 */
 */
void
void
rt_missmsg(type, rtinfo, flags, error)
rt_missmsg(type, rtinfo, flags, error)
        int type, flags, error;
        int type, flags, error;
        register struct rt_addrinfo *rtinfo;
        register struct rt_addrinfo *rtinfo;
{
{
        register struct rt_msghdr *rtm;
        register struct rt_msghdr *rtm;
        register struct mbuf *m;
        register struct mbuf *m;
        struct sockaddr *sa = rtinfo->rti_info[RTAX_DST];
        struct sockaddr *sa = rtinfo->rti_info[RTAX_DST];
 
 
        if (route_cb.any_count == 0)
        if (route_cb.any_count == 0)
                return;
                return;
        m = rt_msg1(type, rtinfo);
        m = rt_msg1(type, rtinfo);
        if (m == 0)
        if (m == 0)
                return;
                return;
        rtm = mtod(m, struct rt_msghdr *);
        rtm = mtod(m, struct rt_msghdr *);
        rtm->rtm_flags = RTF_DONE | flags;
        rtm->rtm_flags = RTF_DONE | flags;
        rtm->rtm_errno = error;
        rtm->rtm_errno = error;
        rtm->rtm_addrs = rtinfo->rti_addrs;
        rtm->rtm_addrs = rtinfo->rti_addrs;
        route_proto.sp_protocol = sa ? sa->sa_family : 0;
        route_proto.sp_protocol = sa ? sa->sa_family : 0;
        raw_input(m, &route_proto, &route_src, &route_dst);
        raw_input(m, &route_proto, &route_src, &route_dst);
}
}
 
 
/*
/*
 * This routine is called to generate a message from the routing
 * This routine is called to generate a message from the routing
 * socket indicating that the status of a network interface has changed.
 * socket indicating that the status of a network interface has changed.
 */
 */
void
void
rt_ifmsg(ifp)
rt_ifmsg(ifp)
        register struct ifnet *ifp;
        register struct ifnet *ifp;
{
{
        register struct if_msghdr *ifm;
        register struct if_msghdr *ifm;
        struct mbuf *m;
        struct mbuf *m;
        struct rt_addrinfo info;
        struct rt_addrinfo info;
 
 
        if (route_cb.any_count == 0)
        if (route_cb.any_count == 0)
                return;
                return;
        bzero((caddr_t)&info, sizeof(info));
        bzero((caddr_t)&info, sizeof(info));
        m = rt_msg1(RTM_IFINFO, &info);
        m = rt_msg1(RTM_IFINFO, &info);
        if (m == 0)
        if (m == 0)
                return;
                return;
        ifm = mtod(m, struct if_msghdr *);
        ifm = mtod(m, struct if_msghdr *);
        ifm->ifm_index = ifp->if_index;
        ifm->ifm_index = ifp->if_index;
        ifm->ifm_flags = ifp->if_flags;
        ifm->ifm_flags = ifp->if_flags;
        ifm->ifm_data = ifp->if_data;
        ifm->ifm_data = ifp->if_data;
        ifm->ifm_addrs = 0;
        ifm->ifm_addrs = 0;
        route_proto.sp_protocol = 0;
        route_proto.sp_protocol = 0;
        raw_input(m, &route_proto, &route_src, &route_dst);
        raw_input(m, &route_proto, &route_src, &route_dst);
}
}
 
 
/*
/*
 * This is called to generate messages from the routing socket
 * This is called to generate messages from the routing socket
 * indicating a network interface has had addresses associated with it.
 * indicating a network interface has had addresses associated with it.
 * if we ever reverse the logic and replace messages TO the routing
 * if we ever reverse the logic and replace messages TO the routing
 * socket indicate a request to configure interfaces, then it will
 * socket indicate a request to configure interfaces, then it will
 * be unnecessary as the routing socket will automatically generate
 * be unnecessary as the routing socket will automatically generate
 * copies of it.
 * copies of it.
 */
 */
void
void
rt_newaddrmsg(cmd, ifa, error, rt)
rt_newaddrmsg(cmd, ifa, error, rt)
        int cmd, error;
        int cmd, error;
        register struct ifaddr *ifa;
        register struct ifaddr *ifa;
        register struct rtentry *rt;
        register struct rtentry *rt;
{
{
        struct rt_addrinfo info;
        struct rt_addrinfo info;
        struct sockaddr *sa = NULL;
        struct sockaddr *sa = NULL;
        int pass;
        int pass;
        struct mbuf *m = NULL;
        struct mbuf *m = NULL;
        struct ifnet *ifp = ifa->ifa_ifp;
        struct ifnet *ifp = ifa->ifa_ifp;
 
 
        if (route_cb.any_count == 0)
        if (route_cb.any_count == 0)
                return;
                return;
        for (pass = 1; pass < 3; pass++) {
        for (pass = 1; pass < 3; pass++) {
                bzero((caddr_t)&info, sizeof(info));
                bzero((caddr_t)&info, sizeof(info));
                if ((cmd == RTM_ADD && pass == 1) ||
                if ((cmd == RTM_ADD && pass == 1) ||
                    (cmd == RTM_DELETE && pass == 2)) {
                    (cmd == RTM_DELETE && pass == 2)) {
                        register struct ifa_msghdr *ifam;
                        register struct ifa_msghdr *ifam;
                        int ncmd = cmd == RTM_ADD ? RTM_NEWADDR : RTM_DELADDR;
                        int ncmd = cmd == RTM_ADD ? RTM_NEWADDR : RTM_DELADDR;
 
 
                        ifaaddr = sa = ifa->ifa_addr;
                        ifaaddr = sa = ifa->ifa_addr;
                        ifpaddr = ifp->if_addrlist.tqh_first->ifa_addr;
                        ifpaddr = ifp->if_addrlist.tqh_first->ifa_addr;
                        netmask = ifa->ifa_netmask;
                        netmask = ifa->ifa_netmask;
                        brdaddr = ifa->ifa_dstaddr;
                        brdaddr = ifa->ifa_dstaddr;
                        if ((m = rt_msg1(ncmd, &info)) == NULL)
                        if ((m = rt_msg1(ncmd, &info)) == NULL)
                                continue;
                                continue;
                        ifam = mtod(m, struct ifa_msghdr *);
                        ifam = mtod(m, struct ifa_msghdr *);
                        ifam->ifam_index = ifp->if_index;
                        ifam->ifam_index = ifp->if_index;
                        ifam->ifam_metric = ifa->ifa_metric;
                        ifam->ifam_metric = ifa->ifa_metric;
                        ifam->ifam_flags = ifa->ifa_flags;
                        ifam->ifam_flags = ifa->ifa_flags;
                        ifam->ifam_addrs = info.rti_addrs;
                        ifam->ifam_addrs = info.rti_addrs;
                }
                }
                if ((cmd == RTM_ADD && pass == 2) ||
                if ((cmd == RTM_ADD && pass == 2) ||
                    (cmd == RTM_DELETE && pass == 1)) {
                    (cmd == RTM_DELETE && pass == 1)) {
                        register struct rt_msghdr *rtm;
                        register struct rt_msghdr *rtm;
 
 
                        if (rt == 0)
                        if (rt == 0)
                                continue;
                                continue;
                        netmask = rt_mask(rt);
                        netmask = rt_mask(rt);
                        dst = sa = rt_key(rt);
                        dst = sa = rt_key(rt);
                        gate = rt->rt_gateway;
                        gate = rt->rt_gateway;
                        if ((m = rt_msg1(cmd, &info)) == NULL)
                        if ((m = rt_msg1(cmd, &info)) == NULL)
                                continue;
                                continue;
                        rtm = mtod(m, struct rt_msghdr *);
                        rtm = mtod(m, struct rt_msghdr *);
                        rtm->rtm_index = ifp->if_index;
                        rtm->rtm_index = ifp->if_index;
                        rtm->rtm_flags |= rt->rt_flags;
                        rtm->rtm_flags |= rt->rt_flags;
                        rtm->rtm_errno = error;
                        rtm->rtm_errno = error;
                        rtm->rtm_addrs = info.rti_addrs;
                        rtm->rtm_addrs = info.rti_addrs;
                }
                }
                route_proto.sp_protocol = sa ? sa->sa_family : 0;
                route_proto.sp_protocol = sa ? sa->sa_family : 0;
                raw_input(m, &route_proto, &route_src, &route_dst);
                raw_input(m, &route_proto, &route_src, &route_dst);
        }
        }
}
}
 
 
#ifndef __ECOS
#ifndef __ECOS
/*
/*
 * This is used in dumping the kernel table via sysctl().
 * This is used in dumping the kernel table via sysctl().
 */
 */
int
int
sysctl_dumpentry(rn, v)
sysctl_dumpentry(rn, v)
        struct radix_node *rn;
        struct radix_node *rn;
        register void *v;
        register void *v;
{
{
        register struct walkarg *w = v;
        register struct walkarg *w = v;
        register struct rtentry *rt = (struct rtentry *)rn;
        register struct rtentry *rt = (struct rtentry *)rn;
        int error = 0, size;
        int error = 0, size;
        struct rt_addrinfo info;
        struct rt_addrinfo info;
 
 
        if (w->w_op == NET_RT_FLAGS && !(rt->rt_flags & w->w_arg))
        if (w->w_op == NET_RT_FLAGS && !(rt->rt_flags & w->w_arg))
                return 0;
                return 0;
        bzero((caddr_t)&info, sizeof(info));
        bzero((caddr_t)&info, sizeof(info));
        dst = rt_key(rt);
        dst = rt_key(rt);
        gate = rt->rt_gateway;
        gate = rt->rt_gateway;
        netmask = rt_mask(rt);
        netmask = rt_mask(rt);
        genmask = rt->rt_genmask;
        genmask = rt->rt_genmask;
        if (rt->rt_ifp) {
        if (rt->rt_ifp) {
                ifpaddr = rt->rt_ifp->if_addrlist.tqh_first->ifa_addr;
                ifpaddr = rt->rt_ifp->if_addrlist.tqh_first->ifa_addr;
                ifaaddr = rt->rt_ifa->ifa_addr;
                ifaaddr = rt->rt_ifa->ifa_addr;
                if (rt->rt_ifp->if_flags & IFF_POINTOPOINT)
                if (rt->rt_ifp->if_flags & IFF_POINTOPOINT)
                        brdaddr = rt->rt_ifa->ifa_dstaddr;
                        brdaddr = rt->rt_ifa->ifa_dstaddr;
        }
        }
        size = rt_msg2(RTM_GET, &info, 0, w);
        size = rt_msg2(RTM_GET, &info, 0, w);
        if (w->w_where && w->w_tmem) {
        if (w->w_where && w->w_tmem) {
                register struct rt_msghdr *rtm = (struct rt_msghdr *)w->w_tmem;
                register struct rt_msghdr *rtm = (struct rt_msghdr *)w->w_tmem;
 
 
                rtm->rtm_flags = rt->rt_flags;
                rtm->rtm_flags = rt->rt_flags;
                rtm->rtm_use = rt->rt_use;
                rtm->rtm_use = rt->rt_use;
                rtm->rtm_rmx = rt->rt_rmx;
                rtm->rtm_rmx = rt->rt_rmx;
                rtm->rtm_index = rt->rt_ifp->if_index;
                rtm->rtm_index = rt->rt_ifp->if_index;
                rtm->rtm_errno = rtm->rtm_pid = rtm->rtm_seq = 0;
                rtm->rtm_errno = rtm->rtm_pid = rtm->rtm_seq = 0;
                rtm->rtm_addrs = info.rti_addrs;
                rtm->rtm_addrs = info.rti_addrs;
                if ((error = copyout((caddr_t)rtm, w->w_where, size)) != 0)
                if ((error = copyout((caddr_t)rtm, w->w_where, size)) != 0)
                        w->w_where = NULL;
                        w->w_where = NULL;
                else
                else
                        w->w_where += size;
                        w->w_where += size;
        }
        }
        return (error);
        return (error);
}
}
 
 
int
int
sysctl_iflist(af, w)
sysctl_iflist(af, w)
        int     af;
        int     af;
        register struct walkarg *w;
        register struct walkarg *w;
{
{
        register struct ifnet *ifp;
        register struct ifnet *ifp;
        register struct ifaddr *ifa;
        register struct ifaddr *ifa;
        struct  rt_addrinfo info;
        struct  rt_addrinfo info;
        int     len, error = 0;
        int     len, error = 0;
 
 
        bzero((caddr_t)&info, sizeof(info));
        bzero((caddr_t)&info, sizeof(info));
        for (ifp = ifnet.tqh_first; ifp != 0; ifp = ifp->if_list.tqe_next) {
        for (ifp = ifnet.tqh_first; ifp != 0; ifp = ifp->if_list.tqe_next) {
                if (w->w_arg && w->w_arg != ifp->if_index)
                if (w->w_arg && w->w_arg != ifp->if_index)
                        continue;
                        continue;
                ifa = ifp->if_addrlist.tqh_first;
                ifa = ifp->if_addrlist.tqh_first;
                ifpaddr = ifa->ifa_addr;
                ifpaddr = ifa->ifa_addr;
                len = rt_msg2(RTM_IFINFO, &info, (caddr_t)0, w);
                len = rt_msg2(RTM_IFINFO, &info, (caddr_t)0, w);
                ifpaddr = 0;
                ifpaddr = 0;
                if (w->w_where && w->w_tmem) {
                if (w->w_where && w->w_tmem) {
                        register struct if_msghdr *ifm;
                        register struct if_msghdr *ifm;
 
 
                        ifm = (struct if_msghdr *)w->w_tmem;
                        ifm = (struct if_msghdr *)w->w_tmem;
                        ifm->ifm_index = ifp->if_index;
                        ifm->ifm_index = ifp->if_index;
                        ifm->ifm_flags = ifp->if_flags;
                        ifm->ifm_flags = ifp->if_flags;
                        ifm->ifm_data = ifp->if_data;
                        ifm->ifm_data = ifp->if_data;
                        ifm->ifm_addrs = info.rti_addrs;
                        ifm->ifm_addrs = info.rti_addrs;
                        error = copyout((caddr_t)ifm, w->w_where, len);
                        error = copyout((caddr_t)ifm, w->w_where, len);
                        if (error)
                        if (error)
                                return (error);
                                return (error);
                        w->w_where += len;
                        w->w_where += len;
                }
                }
                while ((ifa = ifa->ifa_list.tqe_next) != NULL) {
                while ((ifa = ifa->ifa_list.tqe_next) != NULL) {
                        if (af && af != ifa->ifa_addr->sa_family)
                        if (af && af != ifa->ifa_addr->sa_family)
                                continue;
                                continue;
                        ifaaddr = ifa->ifa_addr;
                        ifaaddr = ifa->ifa_addr;
                        netmask = ifa->ifa_netmask;
                        netmask = ifa->ifa_netmask;
                        brdaddr = ifa->ifa_dstaddr;
                        brdaddr = ifa->ifa_dstaddr;
                        len = rt_msg2(RTM_NEWADDR, &info, 0, w);
                        len = rt_msg2(RTM_NEWADDR, &info, 0, w);
                        if (w->w_where && w->w_tmem) {
                        if (w->w_where && w->w_tmem) {
                                register struct ifa_msghdr *ifam;
                                register struct ifa_msghdr *ifam;
 
 
                                ifam = (struct ifa_msghdr *)w->w_tmem;
                                ifam = (struct ifa_msghdr *)w->w_tmem;
                                ifam->ifam_index = ifa->ifa_ifp->if_index;
                                ifam->ifam_index = ifa->ifa_ifp->if_index;
                                ifam->ifam_flags = ifa->ifa_flags;
                                ifam->ifam_flags = ifa->ifa_flags;
                                ifam->ifam_metric = ifa->ifa_metric;
                                ifam->ifam_metric = ifa->ifa_metric;
                                ifam->ifam_addrs = info.rti_addrs;
                                ifam->ifam_addrs = info.rti_addrs;
                                error = copyout(w->w_tmem, w->w_where, len);
                                error = copyout(w->w_tmem, w->w_where, len);
                                if (error)
                                if (error)
                                        return (error);
                                        return (error);
                                w->w_where += len;
                                w->w_where += len;
                        }
                        }
                }
                }
                ifaaddr = netmask = brdaddr = 0;
                ifaaddr = netmask = brdaddr = 0;
        }
        }
        return (0);
        return (0);
}
}
 
 
int
int
sysctl_rtable(name, namelen, where, given, new, newlen)
sysctl_rtable(name, namelen, where, given, new, newlen)
        int     *name;
        int     *name;
        u_int   namelen;
        u_int   namelen;
        void    *where;
        void    *where;
        size_t  *given;
        size_t  *given;
        void    *new;
        void    *new;
        size_t  newlen;
        size_t  newlen;
{
{
        register struct radix_node_head *rnh;
        register struct radix_node_head *rnh;
        int     i, s, error = EINVAL;
        int     i, s, error = EINVAL;
        u_char  af;
        u_char  af;
        struct  walkarg w;
        struct  walkarg w;
 
 
        if (new)
        if (new)
                return (EPERM);
                return (EPERM);
        if (namelen != 3)
        if (namelen != 3)
                return (EINVAL);
                return (EINVAL);
        af = name[0];
        af = name[0];
        Bzero(&w, sizeof(w));
        Bzero(&w, sizeof(w));
        w.w_where = where;
        w.w_where = where;
        w.w_given = *given;
        w.w_given = *given;
        w.w_needed = 0 - w.w_given;
        w.w_needed = 0 - w.w_given;
        w.w_op = name[1];
        w.w_op = name[1];
        w.w_arg = name[2];
        w.w_arg = name[2];
 
 
        s = splsoftnet();
        s = splsoftnet();
        switch (w.w_op) {
        switch (w.w_op) {
 
 
        case NET_RT_DUMP:
        case NET_RT_DUMP:
        case NET_RT_FLAGS:
        case NET_RT_FLAGS:
                for (i = 1; i <= AF_MAX; i++)
                for (i = 1; i <= AF_MAX; i++)
                        if ((rnh = rt_tables[i]) && (af == 0 || af == i) &&
                        if ((rnh = rt_tables[i]) && (af == 0 || af == i) &&
                            (error = (*rnh->rnh_walktree)(rnh,
                            (error = (*rnh->rnh_walktree)(rnh,
                                                          sysctl_dumpentry,
                                                          sysctl_dumpentry,
                                                          &w)))
                                                          &w)))
                                break;
                                break;
                break;
                break;
 
 
        case NET_RT_IFLIST:
        case NET_RT_IFLIST:
                error = sysctl_iflist(af, &w);
                error = sysctl_iflist(af, &w);
        }
        }
        splx(s);
        splx(s);
        if (w.w_tmem)
        if (w.w_tmem)
                free(w.w_tmem, M_RTABLE);
                free(w.w_tmem, M_RTABLE);
        w.w_needed += w.w_given;
        w.w_needed += w.w_given;
        if (where) {
        if (where) {
                *given = w.w_where - (caddr_t) where;
                *given = w.w_where - (caddr_t) where;
                if (*given < w.w_needed)
                if (*given < w.w_needed)
                        return (ENOMEM);
                        return (ENOMEM);
        } else {
        } else {
                *given = (11 * w.w_needed) / 10;
                *given = (11 * w.w_needed) / 10;
        }
        }
        return (error);
        return (error);
}
}
#endif
#endif
 
 
/*
/*
 * Definitions of protocols supported in the ROUTE domain.
 * Definitions of protocols supported in the ROUTE domain.
 */
 */
 
 
extern  struct domain routedomain;              /* or at least forward */
extern  struct domain routedomain;              /* or at least forward */
 
 
struct protosw routesw[] = {
struct protosw routesw[] = {
{ SOCK_RAW,     &routedomain,   0,               PR_ATOMIC|PR_ADDR,
{ SOCK_RAW,     &routedomain,   0,               PR_ATOMIC|PR_ADDR,
  raw_input,    route_output,   raw_ctlinput,   0,
  raw_input,    route_output,   raw_ctlinput,   0,
  route_usrreq,
  route_usrreq,
  raw_init,     0,               0,               0,
  raw_init,     0,               0,               0,
#ifdef __ECOS
#ifdef __ECOS
      0,
      0,
#else
#else
  sysctl_rtable,
  sysctl_rtable,
#endif
#endif
}
}
};
};
 
 
struct domain routedomain =
struct domain routedomain =
    { PF_ROUTE, "route", route_init, 0, 0,
    { PF_ROUTE, "route", route_init, 0, 0,
      routesw, &routesw[sizeof(routesw)/sizeof(routesw[0])] };
      routesw, &routesw[sizeof(routesw)/sizeof(routesw[0])] };
 
 

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