686 lines
19 KiB
C
686 lines
19 KiB
C
/* $NetBSD: iso_pcb.c,v 1.19 2000/03/30 13:10:11 augustss Exp $ */
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/*-
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* Copyright (c) 1991, 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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* @(#)iso_pcb.c 8.3 (Berkeley) 7/19/94
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*/
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/***********************************************************
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Copyright IBM Corporation 1987
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of IBM not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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/*
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* ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
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*/
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/*
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* Iso address family net-layer(s) pcb stuff. NEH 1/29/87
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*/
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#include "opt_iso.h"
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#ifdef ISO
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/errno.h>
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#include <sys/proc.h>
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#include <netiso/argo_debug.h>
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#include <netiso/iso.h>
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#include <netiso/clnp.h>
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#include <netinet/in_systm.h>
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#include <net/if.h>
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#include <net/route.h>
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#include <netiso/iso_pcb.h>
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#include <netiso/iso_var.h>
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#include <sys/protosw.h>
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#ifdef TPCONS
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#include <netccitt/x25.h>
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#include <netccitt/pk.h>
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#include <netccitt/pk_var.h>
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#include <netccitt/pk_extern.h>
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#endif
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#define PCBNULL (struct isopcb *)0
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struct iso_addr zeroiso_addr = {
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0
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};
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/*
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* FUNCTION: iso_pcballoc
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*
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* PURPOSE: creates an isopcb structure in an mbuf,
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* with socket (so), and
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* puts it in the queue with head (head)
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*
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* RETURNS: 0 if OK, ENOBUFS if can't alloc the necessary mbuf
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*/
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int
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iso_pcballoc(so, v)
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struct socket *so;
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void *v;
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{
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struct isopcb *head = v;
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struct isopcb *isop;
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#ifdef ARGO_DEBUG
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if (argo_debug[D_ISO]) {
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printf("iso_pcballoc(so %p)\n", so);
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}
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#endif
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MALLOC(isop, struct isopcb *, sizeof(*isop), M_PCB, M_NOWAIT);
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if (isop == NULL)
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return ENOBUFS;
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bzero(isop, sizeof(*isop));
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isop->isop_head = head;
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isop->isop_socket = so;
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insque(isop, head);
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if (so)
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so->so_pcb = isop;
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return 0;
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}
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/*
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* FUNCTION: iso_pcbbind
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*
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* PURPOSE: binds the address given in *(nam) to the socket
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* specified by the isopcb in *(isop)
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* If the given address is zero, it makes sure the
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* address isn't already in use and if it's got a network
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* portion, we look for an interface with that network
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* address. If the address given is zero, we allocate
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* a port and stuff it in the (nam) structure.
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*
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* RETURNS: errno E* or 0 if ok.
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*
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* SIDE EFFECTS: increments head->isop_lport if it allocates a port #
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*
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* NOTES:
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*/
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int
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iso_pcbbind(v, nam, p)
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void *v;
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struct mbuf *nam;
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struct proc *p;
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{
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struct isopcb *isop = v;
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struct isopcb *head = isop->isop_head;
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struct sockaddr_iso *siso;
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struct iso_ifaddr *ia;
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union {
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char data[2];
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u_short s;
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} suf;
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int error;
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#ifdef ARGO_DEBUG
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if (argo_debug[D_ISO]) {
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printf("iso_pcbbind(isop %p, nam %p)\n", isop, nam);
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}
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#endif
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suf.s = 0;
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if (iso_ifaddr.tqh_first == 0) /* any interfaces attached? */
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return EADDRNOTAVAIL;
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if (isop->isop_laddr) /* already bound */
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return EADDRINUSE;
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if (nam == (struct mbuf *) 0) {
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isop->isop_laddr = &isop->isop_sladdr;
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isop->isop_sladdr.siso_len = sizeof(struct sockaddr_iso);
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isop->isop_sladdr.siso_family = AF_ISO;
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isop->isop_sladdr.siso_tlen = 2;
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isop->isop_sladdr.siso_nlen = 0;
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isop->isop_sladdr.siso_slen = 0;
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isop->isop_sladdr.siso_plen = 0;
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goto noname;
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}
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siso = mtod(nam, struct sockaddr_iso *);
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#ifdef ARGO_DEBUG
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if (argo_debug[D_ISO]) {
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printf("iso_pcbbind(name len 0x%x)\n", nam->m_len);
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printf("The address is %s\n", clnp_iso_addrp(&siso->siso_addr));
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}
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#endif
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/*
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* We would like sort of length check but since some OSI addrs
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* do not have fixed length, we can't really do much.
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* The ONLY thing we can say is that an osi addr has to have
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* at LEAST an afi and one more byte and had better fit into
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* a struct iso_addr.
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* However, in fact the size of the whole thing is a struct
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* sockaddr_iso, so probably this is what we should check for.
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*/
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if ((nam->m_len < 2) || (nam->m_len < siso->siso_len)) {
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return ENAMETOOLONG;
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}
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if (siso->siso_nlen) {
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/* non-zero net addr- better match one of our interfaces */
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#ifdef ARGO_DEBUG
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if (argo_debug[D_ISO]) {
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printf("iso_pcbbind: bind to NOT zeroisoaddr\n");
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}
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#endif
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for (ia = iso_ifaddr.tqh_first; ia != 0; ia = ia->ia_list.tqe_next)
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if (SAME_ISOIFADDR(siso, &ia->ia_addr))
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break;
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if (ia == 0)
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return EADDRNOTAVAIL;
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}
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if (siso->siso_len <= sizeof(isop->isop_sladdr)) {
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isop->isop_laddr = &isop->isop_sladdr;
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} else {
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if ((nam = m_copy(nam, 0, (int) M_COPYALL)) == 0)
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return ENOBUFS;
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isop->isop_mladdr = nam;
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isop->isop_laddr = mtod(nam, struct sockaddr_iso *);
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}
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bcopy((caddr_t) siso, (caddr_t) isop->isop_laddr, siso->siso_len);
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if (siso->siso_tlen == 0)
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goto noname;
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if ((isop->isop_socket->so_options & SO_REUSEADDR) == 0 &&
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iso_pcblookup(head, 0, (caddr_t) 0, isop->isop_laddr))
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return EADDRINUSE;
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if (siso->siso_tlen <= 2) {
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bcopy(TSEL(siso), suf.data, sizeof(suf.data));
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suf.s = ntohs(suf.s);
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if (suf.s < ISO_PORT_RESERVED &&
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(p == 0 || (error = suser(p->p_ucred, &p->p_acflag))))
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return EACCES;
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} else {
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char *cp;
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noname:
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cp = TSEL(isop->isop_laddr);
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isop->isop_laddr->siso_tlen = 2;
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#ifdef ARGO_DEBUG
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if (argo_debug[D_ISO]) {
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printf("iso_pcbbind noname\n");
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}
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#endif
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do {
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if (head->isop_lport++ < ISO_PORT_RESERVED ||
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head->isop_lport > ISO_PORT_USERRESERVED)
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head->isop_lport = ISO_PORT_RESERVED;
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suf.s = htons(head->isop_lport);
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cp[0] = suf.data[0];
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cp[1] = suf.data[1];
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} while (iso_pcblookup(head, 0, (caddr_t) 0, isop->isop_laddr));
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}
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#ifdef ARGO_DEBUG
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if (argo_debug[D_ISO]) {
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printf("iso_pcbbind returns 0, suf 0x%x\n", suf.s);
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}
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#endif
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return 0;
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}
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/*
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* FUNCTION: iso_pcbconnect
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*
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* PURPOSE: Make the isopcb (isop) look like it's connected.
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* In other words, give it the peer address given in
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* the mbuf * (nam). Make sure such a combination
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* of local, peer addresses doesn't already exist
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* for this protocol. Internet mentality prevails here,
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* wherein a src,dst pair uniquely identifies a connection.
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* Both net address and port must be specified in argument
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* (nam).
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* If we don't have a local address for this socket yet,
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* we pick one by calling iso_pcbbind().
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*
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* RETURNS: errno E* or 0 if ok.
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*
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* SIDE EFFECTS: Looks up a route, which may cause one to be left
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* in the isopcb.
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*
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* NOTES:
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*/
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int
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iso_pcbconnect(v, nam)
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void *v;
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struct mbuf *nam;
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{
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struct isopcb *isop = v;
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struct sockaddr_iso *siso = mtod(nam, struct sockaddr_iso *);
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int local_zero, error = 0;
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struct iso_ifaddr *ia;
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#ifdef ARGO_DEBUG
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if (argo_debug[D_ISO]) {
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printf("iso_pcbconnect(isop %p sock %p nam %p",
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isop, isop->isop_socket, nam);
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printf("nam->m_len 0x%x), addr:\n", nam->m_len);
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dump_isoaddr(siso);
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}
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#endif
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if (nam->m_len < siso->siso_len)
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return EINVAL;
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if (siso->siso_family != AF_ISO)
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return EAFNOSUPPORT;
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if (siso->siso_nlen == 0) {
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if ((ia = iso_ifaddr.tqh_first) != NULL) {
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int nlen = ia->ia_addr.siso_nlen;
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memmove(nlen + TSEL(siso), TSEL(siso),
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siso->siso_plen + siso->siso_tlen + siso->siso_slen);
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bcopy((caddr_t) & ia->ia_addr.siso_addr,
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(caddr_t) & siso->siso_addr, nlen + 1);
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/* includes siso->siso_nlen = nlen; */
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} else
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return EADDRNOTAVAIL;
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}
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/*
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* Local zero means either not bound, or bound to a TSEL, but no
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* particular local interface. So, if we want to send somebody
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* we need to choose a return address.
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*/
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local_zero =
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((isop->isop_laddr == 0) || (isop->isop_laddr->siso_nlen == 0));
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if (local_zero) {
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int flags;
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#ifdef ARGO_DEBUG
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if (argo_debug[D_ISO]) {
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printf("iso_pcbconnect localzero 1\n");
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}
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#endif
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/*
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* If route is known or can be allocated now, our src addr is
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* taken from the i/f, else punt.
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*/
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flags = isop->isop_socket->so_options & SO_DONTROUTE;
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error = clnp_route(&siso->siso_addr, &isop->isop_route, flags,
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NULL, &ia);
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if (error)
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return error;
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#ifdef ARGO_DEBUG
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if (argo_debug[D_ISO]) {
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printf("iso_pcbconnect localzero 2, ro->ro_rt %p",
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isop->isop_route.ro_rt);
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printf(" ia %p\n", ia);
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}
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#endif
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}
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#ifdef ARGO_DEBUG
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if (argo_debug[D_ISO]) {
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printf("in iso_pcbconnect before lookup isop %p isop->sock %p\n",
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isop, isop->isop_socket);
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}
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#endif
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if (local_zero) {
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int nlen, tlen, totlen;
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caddr_t oldtsel, newtsel;
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siso = isop->isop_laddr;
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if (siso == 0 || siso->siso_tlen == 0)
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(void) iso_pcbbind(isop, (struct mbuf *)0,
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(struct proc *)0);
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/*
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* Here we have problem of squezeing in a definite network address
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* into an existing sockaddr_iso, which in fact may not have room
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* for it. This gets messy.
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*/
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siso = isop->isop_laddr;
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oldtsel = TSEL(siso);
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tlen = siso->siso_tlen;
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nlen = ia->ia_addr.siso_nlen;
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totlen = tlen + nlen + offsetof(struct sockaddr_iso, siso_data[0]);
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if ((siso == &isop->isop_sladdr) &&
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(totlen > sizeof(isop->isop_sladdr))) {
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struct mbuf *m = m_get(M_DONTWAIT, MT_SONAME);
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if (m == 0)
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return ENOBUFS;
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m->m_len = totlen;
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isop->isop_mladdr = m;
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isop->isop_laddr = siso = mtod(m, struct sockaddr_iso *);
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}
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siso->siso_nlen = ia->ia_addr.siso_nlen;
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newtsel = TSEL(siso);
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memmove(newtsel, oldtsel, tlen);
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bcopy(ia->ia_addr.siso_data, siso->siso_data, nlen);
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siso->siso_tlen = tlen;
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siso->siso_family = AF_ISO;
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siso->siso_len = totlen;
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siso = mtod(nam, struct sockaddr_iso *);
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}
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#ifdef ARGO_DEBUG
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if (argo_debug[D_ISO]) {
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printf("in iso_pcbconnect before bcopy isop %p isop->sock %p\n",
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isop, isop->isop_socket);
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}
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#endif
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/*
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* If we had to allocate space to a previous big foreign address,
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* and for some reason we didn't free it, we reuse it knowing
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* that is going to be big enough, as sockaddrs are delivered in
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* 128 byte mbufs.
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* If the foreign address is small enough, we use default space;
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* otherwise, we grab an mbuf to copy into.
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*/
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if (isop->isop_faddr == 0 || isop->isop_faddr == &isop->isop_sfaddr) {
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if (siso->siso_len <= sizeof(isop->isop_sfaddr))
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isop->isop_faddr = &isop->isop_sfaddr;
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else {
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struct mbuf *m = m_get(M_DONTWAIT, MT_SONAME);
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if (m == 0)
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return ENOBUFS;
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isop->isop_mfaddr = m;
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isop->isop_faddr = mtod(m, struct sockaddr_iso *);
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}
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}
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bcopy((caddr_t) siso, (caddr_t) isop->isop_faddr, siso->siso_len);
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#ifdef ARGO_DEBUG
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if (argo_debug[D_ISO]) {
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printf("in iso_pcbconnect after bcopy isop %p isop->sock %p\n",
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isop, isop->isop_socket);
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printf("iso_pcbconnect connected to addr:\n");
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dump_isoaddr(isop->isop_faddr);
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printf("iso_pcbconnect end: src addr:\n");
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dump_isoaddr(isop->isop_laddr);
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}
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#endif
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return 0;
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}
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/*
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* FUNCTION: iso_pcbdisconnect()
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*
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* PURPOSE: washes away the peer address info so the socket
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* appears to be disconnected.
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* If there's no file descriptor associated with the socket
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* it detaches the pcb.
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*
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* RETURNS: Nada.
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*
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* SIDE EFFECTS: May detach the pcb.
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*
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* NOTES:
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*/
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void
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iso_pcbdisconnect(v)
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void *v;
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{
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struct isopcb *isop = v;
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struct sockaddr_iso *siso;
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#ifdef ARGO_DEBUG
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if (argo_debug[D_ISO]) {
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printf("iso_pcbdisconnect(isop %p)\n", isop);
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}
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#endif
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/*
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* Preserver binding infnormation if already bound.
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*/
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if ((siso = isop->isop_laddr) && siso->siso_nlen && siso->siso_tlen) {
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caddr_t otsel = TSEL(siso);
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siso->siso_nlen = 0;
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memmove(TSEL(siso), otsel, siso->siso_tlen);
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}
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if (isop->isop_faddr && isop->isop_faddr != &isop->isop_sfaddr)
|
|
m_freem(isop->isop_mfaddr);
|
|
isop->isop_faddr = 0;
|
|
if (isop->isop_socket->so_state & SS_NOFDREF)
|
|
iso_pcbdetach(isop);
|
|
}
|
|
|
|
/*
|
|
* FUNCTION: iso_pcbdetach
|
|
*
|
|
* PURPOSE: detach the pcb at *(isop) from it's socket and free
|
|
* the mbufs associated with the pcb..
|
|
* Dequeues (isop) from its head.
|
|
*
|
|
* RETURNS: Nada.
|
|
*
|
|
* SIDE EFFECTS:
|
|
*
|
|
* NOTES:
|
|
*/
|
|
void
|
|
iso_pcbdetach(v)
|
|
void *v;
|
|
{
|
|
struct isopcb *isop = v;
|
|
struct socket *so = isop->isop_socket;
|
|
|
|
#ifdef ARGO_DEBUG
|
|
if (argo_debug[D_ISO]) {
|
|
printf("iso_pcbdetach(isop %p socket %p so %p)\n",
|
|
isop, isop->isop_socket, so);
|
|
}
|
|
#endif
|
|
#ifdef TPCONS
|
|
if (isop->isop_chan) {
|
|
struct pklcd *lcp = (struct pklcd *) isop->isop_chan;
|
|
if (--isop->isop_refcnt > 0)
|
|
return;
|
|
if (lcp && lcp->lcd_state == DATA_TRANSFER) {
|
|
lcp->lcd_upper = 0;
|
|
lcp->lcd_upnext = 0;
|
|
pk_disconnect(lcp);
|
|
}
|
|
isop->isop_chan = 0;
|
|
}
|
|
#endif
|
|
if (so) { /* in the x.25 domain, we sometimes have no
|
|
* socket */
|
|
so->so_pcb = 0;
|
|
sofree(so);
|
|
}
|
|
#ifdef ARGO_DEBUG
|
|
if (argo_debug[D_ISO]) {
|
|
printf("iso_pcbdetach 2 \n");
|
|
}
|
|
#endif
|
|
if (isop->isop_options)
|
|
(void) m_free(isop->isop_options);
|
|
#ifdef ARGO_DEBUG
|
|
if (argo_debug[D_ISO]) {
|
|
printf("iso_pcbdetach 3 \n");
|
|
}
|
|
#endif
|
|
if (isop->isop_route.ro_rt)
|
|
rtfree(isop->isop_route.ro_rt);
|
|
#ifdef ARGO_DEBUG
|
|
if (argo_debug[D_ISO]) {
|
|
printf("iso_pcbdetach 3.1\n");
|
|
}
|
|
#endif
|
|
if (isop->isop_clnpcache != NULL) {
|
|
struct clnp_cache *clcp =
|
|
mtod(isop->isop_clnpcache, struct clnp_cache *);
|
|
#ifdef ARGO_DEBUG
|
|
if (argo_debug[D_ISO]) {
|
|
printf("iso_pcbdetach 3.2: clcp %p freeing clc_hdr %p\n",
|
|
clcp, clcp->clc_hdr);
|
|
}
|
|
#endif
|
|
if (clcp->clc_hdr != NULL)
|
|
m_free(clcp->clc_hdr);
|
|
#ifdef ARGO_DEBUG
|
|
if (argo_debug[D_ISO]) {
|
|
printf("iso_pcbdetach 3.3: freeing cache %p\n",
|
|
isop->isop_clnpcache);
|
|
}
|
|
#endif
|
|
m_free(isop->isop_clnpcache);
|
|
}
|
|
#ifdef ARGO_DEBUG
|
|
if (argo_debug[D_ISO]) {
|
|
printf("iso_pcbdetach 4 \n");
|
|
}
|
|
#endif
|
|
remque(isop);
|
|
#ifdef ARGO_DEBUG
|
|
if (argo_debug[D_ISO]) {
|
|
printf("iso_pcbdetach 5 \n");
|
|
}
|
|
#endif
|
|
if (isop->isop_laddr && (isop->isop_laddr != &isop->isop_sladdr))
|
|
m_freem(isop->isop_mladdr);
|
|
free((caddr_t) isop, M_PCB);
|
|
}
|
|
|
|
|
|
/*
|
|
* FUNCTION: iso_pcbnotify
|
|
*
|
|
* PURPOSE: notify all connections in this protocol's queue (head)
|
|
* that have peer address (dst) of the problem (errno)
|
|
* by calling (notify) on the connections' isopcbs.
|
|
*
|
|
* RETURNS: Rien.
|
|
*
|
|
* SIDE EFFECTS:
|
|
*
|
|
* NOTES: (notify) is called at splimp!
|
|
*/
|
|
void
|
|
iso_pcbnotify(head, siso, errno, notify)
|
|
struct isopcb *head;
|
|
struct sockaddr_iso *siso;
|
|
int errno;
|
|
void (*notify) __P((struct isopcb *));
|
|
{
|
|
struct isopcb *isop;
|
|
int s = splimp();
|
|
|
|
#ifdef ARGO_DEBUG
|
|
if (argo_debug[D_ISO]) {
|
|
printf("iso_pcbnotify(head %p, notify %p) dst:\n",
|
|
head, notify);
|
|
}
|
|
#endif
|
|
for (isop = head->isop_next; isop != head; isop = isop->isop_next) {
|
|
if (isop->isop_socket == 0 || isop->isop_faddr == 0 ||
|
|
!SAME_ISOADDR(siso, isop->isop_faddr)) {
|
|
#ifdef ARGO_DEBUG
|
|
if (argo_debug[D_ISO]) {
|
|
printf("iso_pcbnotify: CONTINUE isop %p, sock %p\n",
|
|
isop, isop->isop_socket);
|
|
printf("addrmatch cmp'd with (%p):\n",
|
|
isop->isop_faddr);
|
|
dump_isoaddr(isop->isop_faddr);
|
|
}
|
|
#endif
|
|
continue;
|
|
}
|
|
if (errno)
|
|
isop->isop_socket->so_error = errno;
|
|
if (notify)
|
|
(*notify) (isop);
|
|
}
|
|
splx(s);
|
|
#ifdef ARGO_DEBUG
|
|
if (argo_debug[D_ISO]) {
|
|
printf("END OF iso_pcbnotify\n");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
|
|
/*
|
|
* FUNCTION: iso_pcblookup
|
|
*
|
|
* PURPOSE: looks for a given combination of (faddr), (fport),
|
|
* (lport), (laddr) in the queue named by (head).
|
|
* Argument (flags) is ignored.
|
|
*
|
|
* RETURNS: ptr to the isopcb if it finds a connection matching
|
|
* these arguments, o.w. returns zero.
|
|
*
|
|
* SIDE EFFECTS:
|
|
*
|
|
* NOTES:
|
|
*/
|
|
struct isopcb *
|
|
iso_pcblookup(head, fportlen, fport, laddr)
|
|
struct isopcb *head;
|
|
struct sockaddr_iso *laddr;
|
|
caddr_t fport;
|
|
int fportlen;
|
|
{
|
|
struct isopcb *isop;
|
|
caddr_t lp = TSEL(laddr);
|
|
unsigned int llen = laddr->siso_tlen;
|
|
|
|
#ifdef ARGO_DEBUG
|
|
if (argo_debug[D_ISO]) {
|
|
printf("iso_pcblookup(head %p laddr %p fport %p)\n",
|
|
head, laddr, fport);
|
|
}
|
|
#endif
|
|
for (isop = head->isop_next; isop != head; isop = isop->isop_next) {
|
|
if (isop->isop_laddr == 0 || isop->isop_laddr == laddr)
|
|
continue;
|
|
if (isop->isop_laddr->siso_tlen != llen)
|
|
continue;
|
|
if (bcmp(lp, TSEL(isop->isop_laddr), llen))
|
|
continue;
|
|
if (fportlen && isop->isop_faddr &&
|
|
bcmp(fport, TSEL(isop->isop_faddr), (unsigned) fportlen))
|
|
continue;
|
|
/*
|
|
* PHASE2 addrmatch1 should be iso_addrmatch(a, b, mask)
|
|
* where mask is taken from isop->isop_laddrmask (new field)
|
|
* isop_lnetmask will also be available in isop if (laddr !=
|
|
* &zeroiso_addr && !iso_addrmatch1(laddr,
|
|
* &(isop->isop_laddr.siso_addr))) continue;
|
|
*/
|
|
if (laddr->siso_nlen && (!SAME_ISOADDR(laddr, isop->isop_laddr)))
|
|
continue;
|
|
return (isop);
|
|
}
|
|
return (struct isopcb *) 0;
|
|
}
|
|
#endif /* ISO */
|