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.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.c')
-rw-r--r-- | sys/netns/ns.c | 370 |
1 files changed, 0 insertions, 370 deletions
diff --git a/sys/netns/ns.c b/sys/netns/ns.c deleted file mode 100644 index 61536e1..0000000 --- a/sys/netns/ns.c +++ /dev/null @@ -1,370 +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.c 8.2 (Berkeley) 11/15/93 - * $Id: ns.c,v 1.3 1994/11/15 14:26:31 bde Exp $ - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/mbuf.h> -#include <sys/ioctl.h> -#include <sys/protosw.h> -#include <sys/errno.h> -#include <sys/socket.h> -#include <sys/socketvar.h> - -#include <net/if.h> -#include <net/route.h> - -#include <netns/ns.h> -#include <netns/ns_if.h> - -#ifdef NS - -struct ns_ifaddr *ns_ifaddr; -int ns_interfaces; -extern struct sockaddr_ns ns_netmask, ns_hostmask; - -/* - * Generic internet control operations (ioctl's). - */ -/* ARGSUSED */ -ns_control(so, cmd, data, ifp) - struct socket *so; - int cmd; - caddr_t data; - register struct ifnet *ifp; -{ - register struct ifreq *ifr = (struct ifreq *)data; - register struct ns_aliasreq *ifra = (struct ns_aliasreq *)data; - register struct ns_ifaddr *ia; - struct ifaddr *ifa; - struct ns_ifaddr *oia; - int error, dstIsNew, hostIsNew; - - /* - * Find address for this interface, if it exists. - */ - if (ifp == 0) - return (EADDRNOTAVAIL); - for (ia = ns_ifaddr; ia; ia = ia->ia_next) - if (ia->ia_ifp == ifp) - break; - - switch (cmd) { - - case SIOCGIFADDR: - if (ia == (struct ns_ifaddr *)0) - return (EADDRNOTAVAIL); - *(struct sockaddr_ns *)&ifr->ifr_addr = ia->ia_addr; - return (0); - - - case SIOCGIFBRDADDR: - if (ia == (struct ns_ifaddr *)0) - return (EADDRNOTAVAIL); - if ((ifp->if_flags & IFF_BROADCAST) == 0) - return (EINVAL); - *(struct sockaddr_ns *)&ifr->ifr_dstaddr = ia->ia_broadaddr; - return (0); - - case SIOCGIFDSTADDR: - if (ia == (struct ns_ifaddr *)0) - return (EADDRNOTAVAIL); - if ((ifp->if_flags & IFF_POINTOPOINT) == 0) - return (EINVAL); - *(struct sockaddr_ns *)&ifr->ifr_dstaddr = ia->ia_dstaddr; - return (0); - } - - if ((so->so_state & SS_PRIV) == 0) - return (EPERM); - - switch (cmd) { - case SIOCAIFADDR: - case SIOCDIFADDR: - if (ifra->ifra_addr.sns_family == AF_NS) - for (oia = ia; ia; ia = ia->ia_next) { - if (ia->ia_ifp == ifp && - ns_neteq(ia->ia_addr.sns_addr, - ifra->ifra_addr.sns_addr)) - break; - } - if (cmd == SIOCDIFADDR && ia == 0) - return (EADDRNOTAVAIL); - /* FALLTHROUGH */ - - case SIOCSIFADDR: - case SIOCSIFDSTADDR: - if (ia == (struct ns_ifaddr *)0) { - oia = (struct ns_ifaddr *) - malloc(sizeof *ia, M_IFADDR, M_WAITOK); - if (oia == (struct ns_ifaddr *)NULL) - return (ENOBUFS); - bzero((caddr_t)oia, sizeof(*oia)); - if (ia = ns_ifaddr) { - for ( ; ia->ia_next; ia = ia->ia_next) - ; - ia->ia_next = oia; - } else - ns_ifaddr = oia; - ia = oia; - if (ifa = ifp->if_addrlist) { - for ( ; ifa->ifa_next; ifa = ifa->ifa_next) - ; - ifa->ifa_next = (struct ifaddr *) ia; - } else - ifp->if_addrlist = (struct ifaddr *) ia; - ia->ia_ifp = ifp; - ia->ia_ifa.ifa_addr = (struct sockaddr *)&ia->ia_addr; - - ia->ia_ifa.ifa_netmask = - (struct sockaddr *)&ns_netmask; - - ia->ia_ifa.ifa_dstaddr = - (struct sockaddr *)&ia->ia_dstaddr; - if (ifp->if_flags & IFF_BROADCAST) { - ia->ia_broadaddr.sns_family = AF_NS; - ia->ia_broadaddr.sns_len = sizeof(ia->ia_addr); - ia->ia_broadaddr.sns_addr.x_host = ns_broadhost; - } - ns_interfaces++; - } - } - - switch (cmd) { - int error; - - case SIOCSIFDSTADDR: - if ((ifp->if_flags & IFF_POINTOPOINT) == 0) - return (EINVAL); - if (ia->ia_flags & IFA_ROUTE) { - rtinit(&(ia->ia_ifa), (int)RTM_DELETE, RTF_HOST); - ia->ia_flags &= ~IFA_ROUTE; - } - if (ifp->if_ioctl) { - error = (*ifp->if_ioctl)(ifp, SIOCSIFDSTADDR, ia); - if (error) - return (error); - } - *(struct sockaddr *)&ia->ia_dstaddr = ifr->ifr_dstaddr; - return (0); - - case SIOCSIFADDR: - return (ns_ifinit(ifp, ia, - (struct sockaddr_ns *)&ifr->ifr_addr, 1)); - - case SIOCDIFADDR: - ns_ifscrub(ifp, ia); - if ((ifa = ifp->if_addrlist) == (struct ifaddr *)ia) - ifp->if_addrlist = ifa->ifa_next; - else { - while (ifa->ifa_next && - (ifa->ifa_next != (struct ifaddr *)ia)) - ifa = ifa->ifa_next; - if (ifa->ifa_next) - ifa->ifa_next = ((struct ifaddr *)ia)->ifa_next; - else - printf("Couldn't unlink nsifaddr from ifp\n"); - } - oia = ia; - if (oia == (ia = ns_ifaddr)) { - ns_ifaddr = ia->ia_next; - } else { - while (ia->ia_next && (ia->ia_next != oia)) { - ia = ia->ia_next; - } - if (ia->ia_next) - ia->ia_next = oia->ia_next; - else - printf("Didn't unlink nsifadr from list\n"); - } - IFAFREE((&oia->ia_ifa)); - if (0 == --ns_interfaces) { - /* - * We reset to virginity and start all over again - */ - ns_thishost = ns_zerohost; - } - return (0); - - case SIOCAIFADDR: - dstIsNew = 0; hostIsNew = 1; - if (ia->ia_addr.sns_family == AF_NS) { - if (ifra->ifra_addr.sns_len == 0) { - ifra->ifra_addr = ia->ia_addr; - hostIsNew = 0; - } else if (ns_neteq(ifra->ifra_addr.sns_addr, - ia->ia_addr.sns_addr)) - hostIsNew = 0; - } - if ((ifp->if_flags & IFF_POINTOPOINT) && - (ifra->ifra_dstaddr.sns_family == AF_NS)) { - if (hostIsNew == 0) - ns_ifscrub(ifp, ia); - ia->ia_dstaddr = ifra->ifra_dstaddr; - dstIsNew = 1; - } - if (ifra->ifra_addr.sns_family == AF_NS && - (hostIsNew || dstIsNew)) - error = ns_ifinit(ifp, ia, &ifra->ifra_addr, 0); - return (error); - - default: - if (ifp->if_ioctl == 0) - return (EOPNOTSUPP); - return ((*ifp->if_ioctl)(ifp, cmd, data)); - } -} - -/* -* Delete any previous route for an old address. -*/ -ns_ifscrub(ifp, ia) - register struct ifnet *ifp; - register struct ns_ifaddr *ia; -{ - if (ia->ia_flags & IFA_ROUTE) { - if (ifp->if_flags & IFF_POINTOPOINT) { - rtinit(&(ia->ia_ifa), (int)RTM_DELETE, RTF_HOST); - } else - rtinit(&(ia->ia_ifa), (int)RTM_DELETE, 0); - ia->ia_flags &= ~IFA_ROUTE; - } -} -/* - * Initialize an interface's internet address - * and routing table entry. - */ -ns_ifinit(ifp, ia, sns, scrub) - register struct ifnet *ifp; - register struct ns_ifaddr *ia; - register struct sockaddr_ns *sns; -{ - struct sockaddr_ns oldaddr; - register union ns_host *h = &ia->ia_addr.sns_addr.x_host; - int s = splimp(), error; - - /* - * Set up new addresses. - */ - oldaddr = ia->ia_addr; - ia->ia_addr = *sns; - /* - * The convention we shall adopt for naming is that - * a supplied address of zero means that "we don't care". - * if there is a single interface, use the address of that - * interface as our 6 byte host address. - * if there are multiple interfaces, use any address already - * used. - * - * Give the interface a chance to initialize - * if this is its first address, - * and to validate the address if necessary. - */ - if (ns_hosteqnh(ns_thishost, ns_zerohost)) { - if (ifp->if_ioctl && - (error = (*ifp->if_ioctl)(ifp, SIOCSIFADDR, ia))) { - ia->ia_addr = oldaddr; - splx(s); - return (error); - } - ns_thishost = *h; - } else if (ns_hosteqnh(sns->sns_addr.x_host, ns_zerohost) - || ns_hosteqnh(sns->sns_addr.x_host, ns_thishost)) { - *h = ns_thishost; - if (ifp->if_ioctl && - (error = (*ifp->if_ioctl)(ifp, SIOCSIFADDR, ia))) { - ia->ia_addr = oldaddr; - splx(s); - return (error); - } - if (!ns_hosteqnh(ns_thishost,*h)) { - ia->ia_addr = oldaddr; - splx(s); - return (EINVAL); - } - } else { - ia->ia_addr = oldaddr; - splx(s); - return (EINVAL); - } - ia->ia_ifa.ifa_metric = ifp->if_metric; - /* - * Add route for the network. - */ - if (scrub) { - ia->ia_ifa.ifa_addr = (struct sockaddr *)&oldaddr; - ns_ifscrub(ifp, ia); - ia->ia_ifa.ifa_addr = (struct sockaddr *)&ia->ia_addr; - } - if (ifp->if_flags & IFF_POINTOPOINT) - rtinit(&(ia->ia_ifa), (int)RTM_ADD, RTF_HOST|RTF_UP); - else { - ia->ia_broadaddr.sns_addr.x_net = ia->ia_addr.sns_addr.x_net; - rtinit(&(ia->ia_ifa), (int)RTM_ADD, RTF_UP); - } - ia->ia_flags |= IFA_ROUTE; - return (0); -} - -/* - * Return address info for specified internet network. - */ -struct ns_ifaddr * -ns_iaonnetof(dst) - register struct ns_addr *dst; -{ - register struct ns_ifaddr *ia; - register struct ns_addr *compare; - register struct ifnet *ifp; - struct ns_ifaddr *ia_maybe = 0; - union ns_net net = dst->x_net; - - for (ia = ns_ifaddr; ia; ia = ia->ia_next) { - if (ifp = ia->ia_ifp) { - if (ifp->if_flags & IFF_POINTOPOINT) { - compare = &satons_addr(ia->ia_dstaddr); - if (ns_hosteq(*dst, *compare)) - return (ia); - if (ns_neteqnn(net, ia->ia_addr.sns_addr.x_net)) - ia_maybe = ia; - } else { - if (ns_neteqnn(net, ia->ia_addr.sns_addr.x_net)) - return (ia); - } - } - } - return (ia_maybe); -} -#endif |