1994-05-24 10:09:53 +00:00
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/*
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* Copyright (c) 1982, 1986, 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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1995-09-21 19:59:43 +00:00
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* @(#)raw_ip.c 8.7 (Berkeley) 5/15/95
|
1997-02-13 19:46:45 +00:00
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* $Id$
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1994-05-24 10:09:53 +00:00
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*/
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#include <sys/param.h>
|
1996-03-11 15:13:58 +00:00
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|
#include <sys/queue.h>
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1994-05-24 10:09:53 +00:00
|
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|
#include <sys/malloc.h>
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|
|
#include <sys/mbuf.h>
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|
|
#include <sys/socket.h>
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|
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#include <sys/protosw.h>
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|
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#include <sys/socketvar.h>
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#include <sys/errno.h>
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#include <sys/systm.h>
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#include <net/if.h>
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#include <net/route.h>
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|
1996-07-24 18:46:19 +00:00
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#define _IP_VHL
|
1994-05-24 10:09:53 +00:00
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
|
1995-10-21 02:12:20 +00:00
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#include <netinet/in_pcb.h>
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|
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#include <netinet/in_var.h>
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1994-05-24 10:09:53 +00:00
|
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#include <netinet/ip_var.h>
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#include <netinet/ip_mroute.h>
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|
1994-10-28 15:09:49 +00:00
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#include <netinet/ip_fw.h>
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|
1996-05-22 17:23:09 +00:00
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|
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#if !defined(COMPAT_IPFW) || COMPAT_IPFW == 1
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#undef COMPAT_IPFW
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|
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#define COMPAT_IPFW 1
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#else
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|
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#undef COMPAT_IPFW
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|
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#endif
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1995-12-09 20:43:53 +00:00
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static struct inpcbhead ripcb;
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static struct inpcbinfo ripcbinfo;
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1994-05-24 10:09:53 +00:00
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/*
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* Nominal space allocated to a raw ip socket.
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*/
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#define RIPSNDQ 8192
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#define RIPRCVQ 8192
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/*
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* Raw interface to IP protocol.
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*/
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/*
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* Initialize raw connection block q.
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*/
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void
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rip_init()
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{
|
1995-04-09 01:29:31 +00:00
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LIST_INIT(&ripcb);
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ripcbinfo.listhead = &ripcb;
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/*
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* XXX We don't use the hash list for raw IP, but it's easier
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* to allocate a one entry hash list than it is to check all
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* over the place for hashbase == NULL.
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*/
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ripcbinfo.hashbase = phashinit(1, M_PCB, &ripcbinfo.hashsize);
|
1994-05-24 10:09:53 +00:00
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}
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1995-12-09 20:43:53 +00:00
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static struct sockaddr_in ripsrc = { sizeof(ripsrc), AF_INET };
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1994-05-24 10:09:53 +00:00
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/*
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* Setup generic address and protocol structures
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* for raw_input routine, then pass them along with
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* mbuf chain.
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*/
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void
|
1996-03-26 19:16:46 +00:00
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rip_input(m, iphlen)
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1994-05-24 10:09:53 +00:00
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struct mbuf *m;
|
1996-03-26 19:16:46 +00:00
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int iphlen;
|
1994-05-24 10:09:53 +00:00
|
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{
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register struct ip *ip = mtod(m, struct ip *);
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register struct inpcb *inp;
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1996-11-11 04:56:32 +00:00
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struct inpcb *last = 0;
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struct mbuf *opts = 0;
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1994-05-24 10:09:53 +00:00
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ripsrc.sin_addr = ip->ip_src;
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1995-04-09 01:29:31 +00:00
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for (inp = ripcb.lh_first; inp != NULL; inp = inp->inp_list.le_next) {
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1994-05-24 10:09:53 +00:00
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|
if (inp->inp_ip.ip_p && inp->inp_ip.ip_p != ip->ip_p)
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continue;
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if (inp->inp_laddr.s_addr &&
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1995-03-16 16:25:55 +00:00
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inp->inp_laddr.s_addr != ip->ip_dst.s_addr)
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1994-05-24 10:09:53 +00:00
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continue;
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|
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if (inp->inp_faddr.s_addr &&
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1995-03-16 16:25:55 +00:00
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inp->inp_faddr.s_addr != ip->ip_src.s_addr)
|
1994-05-24 10:09:53 +00:00
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|
continue;
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if (last) {
|
1994-10-02 17:48:58 +00:00
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struct mbuf *n = m_copy(m, 0, (int)M_COPYALL);
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if (n) {
|
1996-11-11 04:56:32 +00:00
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if (last->inp_flags & INP_CONTROLOPTS ||
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last->inp_socket->so_options & SO_TIMESTAMP)
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|
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ip_savecontrol(last, &opts, ip, n);
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if (sbappendaddr(&last->inp_socket->so_rcv,
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1994-10-02 17:48:58 +00:00
|
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(struct sockaddr *)&ripsrc, n,
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1996-11-11 04:56:32 +00:00
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opts) == 0) {
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1994-05-24 10:09:53 +00:00
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/* should notify about lost packet */
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m_freem(n);
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1996-11-11 04:56:32 +00:00
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if (opts)
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m_freem(opts);
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} else
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sorwakeup(last->inp_socket);
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opts = 0;
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1994-05-24 10:09:53 +00:00
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}
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}
|
1996-11-11 04:56:32 +00:00
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last = inp;
|
1994-05-24 10:09:53 +00:00
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|
}
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if (last) {
|
1996-11-11 04:56:32 +00:00
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if (last->inp_flags & INP_CONTROLOPTS ||
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last->inp_socket->so_options & SO_TIMESTAMP)
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ip_savecontrol(last, &opts, ip, m);
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if (sbappendaddr(&last->inp_socket->so_rcv,
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(struct sockaddr *)&ripsrc, m, opts) == 0) {
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1994-05-24 10:09:53 +00:00
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m_freem(m);
|
1996-11-11 04:56:32 +00:00
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if (opts)
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m_freem(opts);
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} else
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sorwakeup(last->inp_socket);
|
1994-05-24 10:09:53 +00:00
|
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|
} else {
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m_freem(m);
|
1995-03-16 16:25:55 +00:00
|
|
|
ipstat.ips_noproto++;
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ipstat.ips_delivered--;
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}
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}
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|
1994-05-24 10:09:53 +00:00
|
|
|
/*
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* Generate IP header and pass packet to ip_output.
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* Tack on options user may have setup with control call.
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*/
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int
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rip_output(m, so, dst)
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register struct mbuf *m;
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struct socket *so;
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u_long dst;
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{
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register struct ip *ip;
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register struct inpcb *inp = sotoinpcb(so);
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int flags = (so->so_options & SO_DONTROUTE) | IP_ALLOWBROADCAST;
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|
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/*
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|
* If the user handed us a complete IP packet, use it.
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* Otherwise, allocate an mbuf for a header and fill it in.
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|
*/
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|
if ((inp->inp_flags & INP_HDRINCL) == 0) {
|
1996-10-25 17:57:53 +00:00
|
|
|
if (m->m_pkthdr.len + sizeof(struct ip) > IP_MAXPACKET) {
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|
m_freem(m);
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|
|
return(EMSGSIZE);
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|
|
|
}
|
1994-05-24 10:09:53 +00:00
|
|
|
M_PREPEND(m, sizeof(struct ip), M_WAIT);
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|
|
|
ip = mtod(m, struct ip *);
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|
|
ip->ip_tos = 0;
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|
|
ip->ip_off = 0;
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|
|
ip->ip_p = inp->inp_ip.ip_p;
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|
|
ip->ip_len = m->m_pkthdr.len;
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|
|
ip->ip_src = inp->inp_laddr;
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|
|
ip->ip_dst.s_addr = dst;
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|
|
ip->ip_ttl = MAXTTL;
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|
|
} else {
|
1996-10-25 17:57:53 +00:00
|
|
|
if (m->m_pkthdr.len > IP_MAXPACKET) {
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|
|
m_freem(m);
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|
|
return(EMSGSIZE);
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|
|
|
}
|
1994-05-24 10:09:53 +00:00
|
|
|
ip = mtod(m, struct ip *);
|
1996-03-13 08:02:45 +00:00
|
|
|
/* don't allow both user specified and setsockopt options,
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|
|
|
and don't allow packet length sizes that will crash */
|
1996-07-24 18:46:19 +00:00
|
|
|
if (((IP_VHL_HL(ip->ip_vhl) != (sizeof (*ip) >> 2))
|
|
|
|
&& inp->inp_options)
|
|
|
|
|| (ip->ip_len > m->m_pkthdr.len)) {
|
1996-03-13 08:02:45 +00:00
|
|
|
m_freem(m);
|
|
|
|
return EINVAL;
|
|
|
|
}
|
1994-05-24 10:09:53 +00:00
|
|
|
if (ip->ip_id == 0)
|
|
|
|
ip->ip_id = htons(ip_id++);
|
|
|
|
/* XXX prevent ip_output from overwriting header fields */
|
|
|
|
flags |= IP_RAWOUTPUT;
|
|
|
|
ipstat.ips_rawout++;
|
|
|
|
}
|
1996-03-13 08:02:45 +00:00
|
|
|
return (ip_output(m, inp->inp_options, &inp->inp_route, flags,
|
|
|
|
inp->inp_moptions));
|
1994-05-24 10:09:53 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Raw IP socket option processing.
|
|
|
|
*/
|
|
|
|
int
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|
|
|
rip_ctloutput(op, so, level, optname, m)
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|
|
|
int op;
|
|
|
|
struct socket *so;
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|
|
|
int level, optname;
|
|
|
|
struct mbuf **m;
|
|
|
|
{
|
|
|
|
register struct inpcb *inp = sotoinpcb(so);
|
|
|
|
register int error;
|
|
|
|
|
1995-01-12 10:53:25 +00:00
|
|
|
if (level != IPPROTO_IP) {
|
|
|
|
if (op == PRCO_SETOPT && *m)
|
|
|
|
(void)m_free(*m);
|
1994-05-24 10:09:53 +00:00
|
|
|
return (EINVAL);
|
1995-01-12 10:53:25 +00:00
|
|
|
}
|
1994-05-24 10:09:53 +00:00
|
|
|
|
|
|
|
switch (optname) {
|
|
|
|
|
|
|
|
case IP_HDRINCL:
|
1995-09-21 19:59:43 +00:00
|
|
|
error = 0;
|
|
|
|
if (op == PRCO_SETOPT) {
|
1994-05-24 10:09:53 +00:00
|
|
|
if (m == 0 || *m == 0 || (*m)->m_len < sizeof (int))
|
1995-09-21 19:59:43 +00:00
|
|
|
error = EINVAL;
|
|
|
|
else if (*mtod(*m, int *))
|
|
|
|
inp->inp_flags |= INP_HDRINCL;
|
|
|
|
else
|
|
|
|
inp->inp_flags &= ~INP_HDRINCL;
|
|
|
|
if (*m)
|
1994-05-24 10:09:53 +00:00
|
|
|
(void)m_free(*m);
|
1995-09-21 19:59:43 +00:00
|
|
|
} else {
|
|
|
|
*m = m_get(M_WAIT, MT_SOOPTS);
|
|
|
|
(*m)->m_len = sizeof (int);
|
|
|
|
*mtod(*m, int *) = inp->inp_flags & INP_HDRINCL;
|
1994-05-24 10:09:53 +00:00
|
|
|
}
|
1995-09-21 19:59:43 +00:00
|
|
|
return (error);
|
1994-05-24 10:09:53 +00:00
|
|
|
|
1996-05-22 17:23:09 +00:00
|
|
|
#ifdef COMPAT_IPFW
|
1996-02-24 13:38:28 +00:00
|
|
|
case IP_FW_GET:
|
1996-08-21 21:37:07 +00:00
|
|
|
if (ip_fw_ctl_ptr == NULL || op == PRCO_SETOPT) {
|
1996-02-24 13:38:28 +00:00
|
|
|
if (*m) (void)m_free(*m);
|
|
|
|
return(EINVAL);
|
|
|
|
}
|
|
|
|
return (*ip_fw_ctl_ptr)(optname, m);
|
1996-08-21 21:37:07 +00:00
|
|
|
|
1995-01-12 13:06:32 +00:00
|
|
|
case IP_FW_ADD:
|
|
|
|
case IP_FW_DEL:
|
1994-10-28 15:09:49 +00:00
|
|
|
case IP_FW_FLUSH:
|
1996-02-23 15:47:58 +00:00
|
|
|
case IP_FW_ZERO:
|
1996-08-21 21:37:07 +00:00
|
|
|
if (ip_fw_ctl_ptr == NULL || op != PRCO_SETOPT) {
|
1996-02-24 13:38:28 +00:00
|
|
|
if (*m) (void)m_free(*m);
|
1995-01-12 13:06:32 +00:00
|
|
|
return(EINVAL);
|
|
|
|
}
|
1996-02-24 13:38:28 +00:00
|
|
|
return (*ip_fw_ctl_ptr)(optname, m);
|
1995-01-12 13:06:32 +00:00
|
|
|
|
1996-08-21 21:37:07 +00:00
|
|
|
case IP_NAT:
|
|
|
|
if (ip_nat_ctl_ptr == NULL) {
|
|
|
|
if (*m) (void)m_free(*m);
|
|
|
|
return(EINVAL);
|
|
|
|
}
|
1996-08-27 20:52:27 +00:00
|
|
|
return (*ip_nat_ctl_ptr)(op, m);
|
1996-08-21 21:37:07 +00:00
|
|
|
|
1996-10-07 19:21:46 +00:00
|
|
|
#endif
|
1994-09-06 22:42:31 +00:00
|
|
|
case IP_RSVP_ON:
|
1995-01-26 18:59:02 +00:00
|
|
|
return ip_rsvp_init(so);
|
1994-09-06 22:42:31 +00:00
|
|
|
break;
|
|
|
|
|
|
|
|
case IP_RSVP_OFF:
|
1995-01-26 18:59:02 +00:00
|
|
|
return ip_rsvp_done();
|
1994-09-06 22:42:31 +00:00
|
|
|
break;
|
|
|
|
|
1995-06-13 17:51:16 +00:00
|
|
|
case IP_RSVP_VIF_ON:
|
|
|
|
return ip_rsvp_vif_init(so, *m);
|
|
|
|
|
|
|
|
case IP_RSVP_VIF_OFF:
|
|
|
|
return ip_rsvp_vif_done(so, *m);
|
|
|
|
|
|
|
|
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:
|
1994-05-24 10:09:53 +00:00
|
|
|
if (op == PRCO_SETOPT) {
|
1995-06-13 17:51:16 +00:00
|
|
|
error = ip_mrouter_set(optname, so, *m);
|
1994-05-24 10:09:53 +00:00
|
|
|
if (*m)
|
|
|
|
(void)m_free(*m);
|
1995-06-13 17:51:16 +00:00
|
|
|
} else if (op == PRCO_GETOPT) {
|
|
|
|
error = ip_mrouter_get(optname, so, m);
|
1994-05-24 10:09:53 +00:00
|
|
|
} else
|
|
|
|
error = EINVAL;
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
return (ip_ctloutput(op, so, level, optname, m));
|
|
|
|
}
|
|
|
|
|
1997-02-13 19:46:45 +00:00
|
|
|
/*
|
|
|
|
* This function exists solely to receive the PRC_IFDOWN messages which
|
|
|
|
* are sent by if_down(). It looks for an ifaddr whose ifa_addr is sa,
|
|
|
|
* and calls in_ifadown() to remove all routes corresponding to that address.
|
|
|
|
* It also receives the PRC_IFUP messages from if_up() and reinstalls the
|
|
|
|
* interface routes.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
rip_ctlinput(cmd, sa, vip)
|
|
|
|
int cmd;
|
|
|
|
struct sockaddr *sa;
|
|
|
|
void *vip;
|
|
|
|
{
|
|
|
|
struct in_ifaddr *ia;
|
|
|
|
struct ifnet *ifp;
|
|
|
|
int err;
|
|
|
|
int flags;
|
|
|
|
|
|
|
|
switch(cmd) {
|
|
|
|
case PRC_IFDOWN:
|
|
|
|
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)) {
|
|
|
|
/*
|
|
|
|
* in_ifscrub kills the interface route.
|
|
|
|
*/
|
|
|
|
in_ifscrub(ia->ia_ifp, ia);
|
|
|
|
/*
|
|
|
|
* in_ifadown gets rid of all the rest of
|
|
|
|
* the routes. This is not quite the right
|
|
|
|
* thing to do, but at least if we are running
|
|
|
|
* a routing process they will come back.
|
|
|
|
*/
|
|
|
|
in_ifadown(&ia->ia_ifa);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case PRC_IFUP:
|
|
|
|
for (ia = in_ifaddrhead.tqh_first; ia;
|
|
|
|
ia = ia->ia_link.tqe_next) {
|
|
|
|
if (ia->ia_ifa.ifa_addr == sa)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (ia == 0 || (ia->ia_flags & IFA_ROUTE))
|
|
|
|
return;
|
|
|
|
flags = RTF_UP;
|
|
|
|
ifp = ia->ia_ifa.ifa_ifp;
|
|
|
|
|
|
|
|
if ((ifp->if_flags & IFF_LOOPBACK)
|
|
|
|
|| (ifp->if_flags & IFF_POINTOPOINT))
|
|
|
|
flags |= RTF_HOST;
|
|
|
|
|
|
|
|
err = rtinit(&ia->ia_ifa, RTM_ADD, flags);
|
|
|
|
if (err == 0)
|
|
|
|
ia->ia_flags |= IFA_ROUTE;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
1995-11-14 20:34:56 +00:00
|
|
|
static u_long rip_sendspace = RIPSNDQ; /* XXX sysctl ? */
|
|
|
|
static u_long rip_recvspace = RIPRCVQ; /* XXX sysctl ? */
|
1994-05-24 10:09:53 +00:00
|
|
|
|
|
|
|
/*ARGSUSED*/
|
|
|
|
int
|
|
|
|
rip_usrreq(so, req, m, nam, control)
|
|
|
|
register struct socket *so;
|
|
|
|
int req;
|
|
|
|
struct mbuf *m, *nam, *control;
|
|
|
|
{
|
|
|
|
register int error = 0;
|
|
|
|
register struct inpcb *inp = sotoinpcb(so);
|
1995-10-21 02:12:20 +00:00
|
|
|
|
|
|
|
if (req == PRU_CONTROL)
|
|
|
|
return (in_control(so, (u_long)m, (caddr_t)nam,
|
|
|
|
(struct ifnet *)control));
|
|
|
|
|
1994-05-24 10:09:53 +00:00
|
|
|
switch (req) {
|
|
|
|
|
|
|
|
case PRU_ATTACH:
|
|
|
|
if (inp)
|
|
|
|
panic("rip_attach");
|
|
|
|
if ((so->so_state & SS_PRIV) == 0) {
|
|
|
|
error = EACCES;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if ((error = soreserve(so, rip_sendspace, rip_recvspace)) ||
|
1995-04-09 01:29:31 +00:00
|
|
|
(error = in_pcballoc(so, &ripcbinfo)))
|
1994-05-24 10:09:53 +00:00
|
|
|
break;
|
|
|
|
inp = (struct inpcb *)so->so_pcb;
|
|
|
|
inp->inp_ip.ip_p = (int)nam;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case PRU_DISCONNECT:
|
|
|
|
if ((so->so_state & SS_ISCONNECTED) == 0) {
|
|
|
|
error = ENOTCONN;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
/* FALLTHROUGH */
|
|
|
|
case PRU_ABORT:
|
|
|
|
soisdisconnected(so);
|
|
|
|
/* FALLTHROUGH */
|
|
|
|
case PRU_DETACH:
|
|
|
|
if (inp == 0)
|
|
|
|
panic("rip_detach");
|
|
|
|
if (so == ip_mrouter)
|
|
|
|
ip_mrouter_done();
|
1995-07-24 16:33:51 +00:00
|
|
|
ip_rsvp_force_done(so);
|
1995-02-07 02:53:14 +00:00
|
|
|
if (so == ip_rsvpd)
|
|
|
|
ip_rsvp_done();
|
1994-05-24 10:09:53 +00:00
|
|
|
in_pcbdetach(inp);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case PRU_BIND:
|
|
|
|
{
|
|
|
|
struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *);
|
|
|
|
|
|
|
|
if (nam->m_len != sizeof(*addr)) {
|
|
|
|
error = EINVAL;
|
|
|
|
break;
|
|
|
|
}
|
1996-12-11 20:38:25 +00:00
|
|
|
if (TAILQ_EMPTY(&ifnet) ||
|
1994-05-24 10:09:53 +00:00
|
|
|
((addr->sin_family != AF_INET) &&
|
|
|
|
(addr->sin_family != AF_IMPLINK)) ||
|
|
|
|
(addr->sin_addr.s_addr &&
|
|
|
|
ifa_ifwithaddr((struct sockaddr *)addr) == 0)) {
|
|
|
|
error = EADDRNOTAVAIL;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
inp->inp_laddr = addr->sin_addr;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case PRU_CONNECT:
|
|
|
|
{
|
|
|
|
struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *);
|
|
|
|
|
|
|
|
if (nam->m_len != sizeof(*addr)) {
|
|
|
|
error = EINVAL;
|
|
|
|
break;
|
|
|
|
}
|
1996-12-11 20:38:25 +00:00
|
|
|
if (TAILQ_EMPTY(&ifnet)) {
|
1994-05-24 10:09:53 +00:00
|
|
|
error = EADDRNOTAVAIL;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if ((addr->sin_family != AF_INET) &&
|
|
|
|
(addr->sin_family != AF_IMPLINK)) {
|
|
|
|
error = EAFNOSUPPORT;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
inp->inp_faddr = addr->sin_addr;
|
|
|
|
soisconnected(so);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
case PRU_CONNECT2:
|
|
|
|
error = EOPNOTSUPP;
|
|
|
|
break;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Mark the connection as being incapable of further input.
|
|
|
|
*/
|
|
|
|
case PRU_SHUTDOWN:
|
|
|
|
socantsendmore(so);
|
|
|
|
break;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Ship a packet out. The appropriate raw output
|
|
|
|
* routine handles any massaging necessary.
|
|
|
|
*/
|
|
|
|
case PRU_SEND:
|
|
|
|
{
|
|
|
|
register u_long dst;
|
|
|
|
|
|
|
|
if (so->so_state & SS_ISCONNECTED) {
|
|
|
|
if (nam) {
|
|
|
|
error = EISCONN;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
dst = inp->inp_faddr.s_addr;
|
|
|
|
} else {
|
|
|
|
if (nam == NULL) {
|
|
|
|
error = ENOTCONN;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
dst = mtod(nam, struct sockaddr_in *)->sin_addr.s_addr;
|
|
|
|
}
|
|
|
|
error = rip_output(m, so, dst);
|
|
|
|
m = NULL;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
case PRU_SENSE:
|
|
|
|
/*
|
|
|
|
* stat: don't bother with a blocksize.
|
|
|
|
*/
|
|
|
|
return (0);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Not supported.
|
|
|
|
*/
|
|
|
|
case PRU_RCVOOB:
|
|
|
|
case PRU_RCVD:
|
|
|
|
case PRU_LISTEN:
|
|
|
|
case PRU_ACCEPT:
|
|
|
|
case PRU_SENDOOB:
|
|
|
|
error = EOPNOTSUPP;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case PRU_SOCKADDR:
|
|
|
|
in_setsockaddr(inp, nam);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case PRU_PEERADDR:
|
|
|
|
in_setpeeraddr(inp, nam);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
panic("rip_usrreq");
|
|
|
|
}
|
|
|
|
if (m != NULL)
|
|
|
|
m_freem(m);
|
|
|
|
return (error);
|
|
|
|
}
|