diff options
author | wollman <wollman@FreeBSD.org> | 1996-02-13 18:19:17 +0000 |
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committer | wollman <wollman@FreeBSD.org> | 1996-02-13 18:19:17 +0000 |
commit | be5bbe6be106aacb5edc3be2f21103ce4a2b903a (patch) | |
tree | 79863d9537a720862e96fd698560d294e47467b1 /sys/netns/ns_pcb.c | |
parent | 5c25078715eec4e8c4bd3113070c61741eda267e (diff) | |
download | FreeBSD-src-be5bbe6be106aacb5edc3be2f21103ce4a2b903a.zip FreeBSD-src-be5bbe6be106aacb5edc3be2f21103ce4a2b903a.tar.gz |
finish killing off netns. (For some reason, CVS `undeleted' these
during my last commit.)
Diffstat (limited to 'sys/netns/ns_pcb.c')
-rw-r--r-- | sys/netns/ns_pcb.c | 365 |
1 files changed, 0 insertions, 365 deletions
diff --git a/sys/netns/ns_pcb.c b/sys/netns/ns_pcb.c deleted file mode 100644 index da840a7..0000000 --- a/sys/netns/ns_pcb.c +++ /dev/null @@ -1,365 +0,0 @@ -/* - * Copyright (c) 1984, 1985, 1986, 1987, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and 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 - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * 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 - * SUCH DAMAGE. - * - * @(#)ns_pcb.c 8.1 (Berkeley) 6/10/93 - * $Id: ns_pcb.c,v 1.3 1995/05/30 08:12:28 rgrimes Exp $ - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/mbuf.h> -#include <sys/errno.h> -#include <sys/socket.h> -#include <sys/socketvar.h> -#include <sys/protosw.h> -#include <sys/queue.h> - -#include <net/if.h> -#include <net/route.h> - -#include <netns/ns.h> -#include <netns/ns_if.h> -#include <netns/ns_pcb.h> - -struct ns_addr zerons_addr; - -ns_pcballoc(so, head) - struct socket *so; - struct nspcb *head; -{ - struct mbuf *m; - register struct nspcb *nsp; - - m = m_getclr(M_DONTWAIT, MT_PCB); - if (m == NULL) - return (ENOBUFS); - nsp = mtod(m, struct nspcb *); - nsp->nsp_socket = so; - insque(nsp, head); - so->so_pcb = (caddr_t)nsp; - return (0); -} - -ns_pcbbind(nsp, nam) - register struct nspcb *nsp; - struct mbuf *nam; -{ - register struct sockaddr_ns *sns; - u_short lport = 0; - - if (nsp->nsp_lport || !ns_nullhost(nsp->nsp_laddr)) - return (EINVAL); - if (nam == 0) - goto noname; - sns = mtod(nam, struct sockaddr_ns *); - if (nam->m_len != sizeof (*sns)) - return (EINVAL); - if (!ns_nullhost(sns->sns_addr)) { - int tport = sns->sns_port; - - sns->sns_port = 0; /* yech... */ - if (ifa_ifwithaddr((struct sockaddr *)sns) == 0) - return (EADDRNOTAVAIL); - sns->sns_port = tport; - } - lport = sns->sns_port; - if (lport) { - u_short aport = ntohs(lport); - - if (aport < NSPORT_RESERVED && - (nsp->nsp_socket->so_state & SS_PRIV) == 0) - return (EACCES); - if (ns_pcblookup(&zerons_addr, lport, 0)) - return (EADDRINUSE); - } - nsp->nsp_laddr = sns->sns_addr; -noname: - if (lport == 0) - do { - if (nspcb.nsp_lport++ < NSPORT_RESERVED) - nspcb.nsp_lport = NSPORT_RESERVED; - lport = htons(nspcb.nsp_lport); - } while (ns_pcblookup(&zerons_addr, lport, 0)); - nsp->nsp_lport = lport; - return (0); -} - -/* - * Connect from a socket to a specified address. - * Both address and port must be specified in argument sns. - * If don't have a local address for this socket yet, - * then pick one. - */ -ns_pcbconnect(nsp, nam) - struct nspcb *nsp; - struct mbuf *nam; -{ - struct ns_ifaddr *ia; - register struct sockaddr_ns *sns = mtod(nam, struct sockaddr_ns *); - register struct ns_addr *dst; - register struct route *ro; - struct ifnet *ifp; - - if (nam->m_len != sizeof (*sns)) - return (EINVAL); - if (sns->sns_family != AF_NS) - return (EAFNOSUPPORT); - if (sns->sns_port==0 || ns_nullhost(sns->sns_addr)) - return (EADDRNOTAVAIL); - /* - * If we haven't bound which network number to use as ours, - * we will use the number of the outgoing interface. - * This depends on having done a routing lookup, which - * we will probably have to do anyway, so we might - * as well do it now. On the other hand if we are - * sending to multiple destinations we may have already - * done the lookup, so see if we can use the route - * from before. In any case, we only - * chose a port number once, even if sending to multiple - * destinations. - */ - ro = &nsp->nsp_route; - dst = &satons_addr(ro->ro_dst); - if (nsp->nsp_socket->so_options & SO_DONTROUTE) - goto flush; - if (!ns_neteq(nsp->nsp_lastdst, sns->sns_addr)) - goto flush; - if (!ns_hosteq(nsp->nsp_lastdst, sns->sns_addr)) { - if (ro->ro_rt && ! (ro->ro_rt->rt_flags & RTF_HOST)) { - /* can patch route to avoid rtalloc */ - *dst = sns->sns_addr; - } else { - flush: - if (ro->ro_rt) - RTFREE(ro->ro_rt); - ro->ro_rt = (struct rtentry *)0; - nsp->nsp_laddr.x_net = ns_zeronet; - } - }/* else cached route is ok; do nothing */ - nsp->nsp_lastdst = sns->sns_addr; - if ((nsp->nsp_socket->so_options & SO_DONTROUTE) == 0 && /*XXX*/ - (ro->ro_rt == (struct rtentry *)0 || - ro->ro_rt->rt_ifp == (struct ifnet *)0)) { - /* No route yet, so try to acquire one */ - ro->ro_dst.sa_family = AF_NS; - ro->ro_dst.sa_len = sizeof(ro->ro_dst); - *dst = sns->sns_addr; - dst->x_port = 0; - rtalloc(ro); - } - if (ns_neteqnn(nsp->nsp_laddr.x_net, ns_zeronet)) { - /* - * If route is known or can be allocated now, - * our src addr is taken from the i/f, else punt. - */ - - ia = (struct ns_ifaddr *)0; - /* - * If we found a route, use the address - * corresponding to the outgoing interface - */ - if (ro->ro_rt && (ifp = ro->ro_rt->rt_ifp)) - for (ia = ns_ifaddr; ia; ia = ia->ia_next) - if (ia->ia_ifp == ifp) - break; - if (ia == 0) { - u_short fport = sns->sns_addr.x_port; - sns->sns_addr.x_port = 0; - ia = (struct ns_ifaddr *) - ifa_ifwithdstaddr((struct sockaddr *)sns); - sns->sns_addr.x_port = fport; - if (ia == 0) - ia = ns_iaonnetof(&sns->sns_addr); - if (ia == 0) - ia = ns_ifaddr; - if (ia == 0) - return (EADDRNOTAVAIL); - } - nsp->nsp_laddr.x_net = satons_addr(ia->ia_addr).x_net; - } - if (ns_pcblookup(&sns->sns_addr, nsp->nsp_lport, 0)) - return (EADDRINUSE); - if (ns_nullhost(nsp->nsp_laddr)) { - if (nsp->nsp_lport == 0) - (void) ns_pcbbind(nsp, (struct mbuf *)0); - nsp->nsp_laddr.x_host = ns_thishost; - } - nsp->nsp_faddr = sns->sns_addr; - /* Includes nsp->nsp_fport = sns->sns_port; */ - return (0); -} - -ns_pcbdisconnect(nsp) - struct nspcb *nsp; -{ - - nsp->nsp_faddr = zerons_addr; - if (nsp->nsp_socket->so_state & SS_NOFDREF) - ns_pcbdetach(nsp); -} - -ns_pcbdetach(nsp) - struct nspcb *nsp; -{ - struct socket *so = nsp->nsp_socket; - - so->so_pcb = 0; - sofree(so); - if (nsp->nsp_route.ro_rt) - rtfree(nsp->nsp_route.ro_rt); - remque(nsp); - (void) m_free(dtom(nsp)); -} - -ns_setsockaddr(nsp, nam) - register struct nspcb *nsp; - struct mbuf *nam; -{ - register struct sockaddr_ns *sns = mtod(nam, struct sockaddr_ns *); - - nam->m_len = sizeof (*sns); - sns = mtod(nam, struct sockaddr_ns *); - bzero((caddr_t)sns, sizeof (*sns)); - sns->sns_len = sizeof(*sns); - sns->sns_family = AF_NS; - sns->sns_addr = nsp->nsp_laddr; -} - -ns_setpeeraddr(nsp, nam) - register struct nspcb *nsp; - struct mbuf *nam; -{ - register struct sockaddr_ns *sns = mtod(nam, struct sockaddr_ns *); - - nam->m_len = sizeof (*sns); - sns = mtod(nam, struct sockaddr_ns *); - bzero((caddr_t)sns, sizeof (*sns)); - sns->sns_len = sizeof(*sns); - sns->sns_family = AF_NS; - sns->sns_addr = nsp->nsp_faddr; -} - -/* - * Pass some notification to all connections of a protocol - * associated with address dst. Call the - * protocol specific routine to handle each connection. - * Also pass an extra paramter via the nspcb. (which may in fact - * be a parameter list!) - */ -ns_pcbnotify(dst, errno, notify, param) - register struct ns_addr *dst; - long param; - int errno, (*notify)(); -{ - register struct nspcb *nsp, *oinp; - int s = splimp(); - - for (nsp = (&nspcb)->nsp_next; nsp != (&nspcb);) { - if (!ns_hosteq(*dst,nsp->nsp_faddr)) { - next: - nsp = nsp->nsp_next; - continue; - } - if (nsp->nsp_socket == 0) - goto next; - if (errno) - nsp->nsp_socket->so_error = errno; - oinp = nsp; - nsp = nsp->nsp_next; - oinp->nsp_notify_param = param; - (*notify)(oinp); - } - splx(s); -} - -#ifdef notdef -/* - * After a routing change, flush old routing - * and allocate a (hopefully) better one. - */ -ns_rtchange(nsp) - struct nspcb *nsp; -{ - if (nsp->nsp_route.ro_rt) { - rtfree(nsp->nsp_route.ro_rt); - nsp->nsp_route.ro_rt = 0; - /* - * A new route can be allocated the next time - * output is attempted. - */ - } - /* SHOULD NOTIFY HIGHER-LEVEL PROTOCOLS */ -} -#endif - -struct nspcb * -ns_pcblookup(faddr, lport, wildp) - struct ns_addr *faddr; - u_short lport; -{ - register struct nspcb *nsp, *match = 0; - int matchwild = 3, wildcard; - u_short fport; - - fport = faddr->x_port; - for (nsp = (&nspcb)->nsp_next; nsp != (&nspcb); nsp = nsp->nsp_next) { - if (nsp->nsp_lport != lport) - continue; - wildcard = 0; - if (ns_nullhost(nsp->nsp_faddr)) { - if (!ns_nullhost(*faddr)) - wildcard++; - } else { - if (ns_nullhost(*faddr)) - wildcard++; - else { - if (!ns_hosteq(nsp->nsp_faddr, *faddr)) - continue; - if (nsp->nsp_fport != fport) { - if (nsp->nsp_fport != 0) - continue; - else - wildcard++; - } - } - } - if (wildcard && wildp==0) - continue; - if (wildcard < matchwild) { - match = nsp; - matchwild = wildcard; - if (wildcard == 0) - break; - } - } - return (match); -} |