mirror of https://github.com/dzavalishin/oskit/
191 lines
5.0 KiB
C
Executable File
191 lines
5.0 KiB
C
Executable File
/*
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* Copyright (c) 1997-1999, 2001 University of Utah and the Flux Group.
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* All rights reserved.
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*
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* This file is part of the Flux OSKit. The OSKit is free software, also known
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* as "open source;" you can redistribute it and/or modify it under the terms
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* of the GNU General Public License (GPL), version 2, as published by the Free
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* Software Foundation (FSF). To explore alternate licensing terms, contact
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* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
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*
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* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
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* received a copy of the GPL along with the OSKit; see the file COPYING. If
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* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
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*/
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/*
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* setting up an interface -- as in
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* ifconfig de0 inet 155.99.214.164 link2 netmask 255.255.255.0
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*/
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#include <oskit/dev/dev.h>
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#include <oskit/dev/net.h>
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#include <oskit/dev/ethernet.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/errno.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/proc.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/sockio.h>
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#include <string.h>
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#include "net/if.h"
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#include "net/route.h"
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#include "netinet/in.h"
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#include "netinet/if_ether.h"
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#include "netinet/in_var.h"
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#include <arpa/inet.h>
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#include <oskit/net/freebsd.h>
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#include "bsdnet_net_io.h"
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#include "mbuf_buf_io.h"
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#include "glue.h"
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static MALLOC_DEFINE(M_ARP, "ARP", "oskit ifconfig");
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/**
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* see start_if.c on how to obtain a valid oskit_freebsd_net_ether_if_t
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* call it like so:
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*
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* oskit_freebsd_net_ifconfig(eif, "de0", "155.99.214.164", "255.255.255.0")
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*/
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oskit_error_t
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oskit_freebsd_net_ifconfig(oskit_freebsd_net_ether_if_t *eif,
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char *name,
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char *ipaddr,
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char *netmask)
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{
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struct arpcom *arp;
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struct in_aliasreq addreq;
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struct sockaddr_in *sin;
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struct socket so;
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struct proc p;
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struct ifnet *ifp;
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int error = 0, l;
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int default_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_LINK2;
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/* leave IFF_MULTICAST out or we're getting weird ioctl's */
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OSKIT_FREEBSD_CREATE_CURPROC(p);
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/*
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* this stuff is usually done during the autoprobe
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*/
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arp = (struct arpcom *)malloc(sizeof *arp, M_ARP, 0);
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if (!arp)
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return OSKIT_ENOMEM;
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/* necessary!!! */
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memset(arp, 0, sizeof *arp);
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/* copy ethernet address where ARP needs it */
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memcpy(arp->ac_enaddr, eif->haddr, OSKIT_ETHERDEV_ADDR_SIZE);
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ifp = &arp->ac_if;
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l = strlen(name);
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ifp->if_unit = name[l-1] - '0';
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ifp->if_name = malloc(l, M_ARP, 0);
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strncpy(ifp->if_name, name, l-1);
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ifp->if_name[l-1] = 0;
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ifp->if_flags = default_flags;
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ifp->if_ioctl = bsdnet_driver_ioctl;
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ifp->if_output = ether_output;
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ifp->if_start = bsdnet_driver_start;
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/* have to set the mtu somewhere! */
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ifp->if_mtu = ETHERMTU;
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/* in FreeBSD, this is done in ifinit() which iterates through
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* the list of found interfaces - in our case, ifinit() is already
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* through and didn't have any if's in the list
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*/
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ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
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osenv_log(OSENV_LOG_DEBUG,
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">>>Attaching network interface %s\n", name);
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/* attach the interface */
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if_attach(ifp);
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ether_ifattach(ifp);
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/* ------ the actual ifconfig part starts here ------ */
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/*
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* we're only doing the absolutely necessary minimum here.
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*
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* a better implementation would take /usr/src/sbin/ifconfig/ifconfig.c
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* and turn it into a function
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*/
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/* set addreq */
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memset(&addreq, 0, sizeof(addreq)); /* to be safe */
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strncpy(addreq.ifra_name, name, sizeof addreq.ifra_name);
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/* set addreq.ifra_addr and addreq.ifra_mask */
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sin = (struct sockaddr_in *)&addreq.ifra_addr;
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inet_aton(ipaddr, &sin->sin_addr);
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sin->sin_len = sizeof(*sin);
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sin->sin_family = AF_INET;
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/* now set netmask */
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sin = (struct sockaddr_in *)&addreq.ifra_mask;
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sin->sin_len = sizeof(*sin);
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inet_aton(netmask, &sin->sin_addr);
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/* in_getaddr, it doesn't set the sin_family to AF_INET why??? */
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/*
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* give the ifnet struct a pointer to us, so that it can send stuff
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*/
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ifp->nio = eif->send_nio;
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/*
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* give our eif a pointer to the interface
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* so that it knows where to queue stuff
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*/
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eif->ifp = ifp;
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/*
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* now set the new address and netmask using
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* SIOCAIFADDR addreq
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*/
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error = in_control(&so, SIOCAIFADDR, (caddr_t) &addreq, ifp, &p);
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if (error) {
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osenv_log(OSENV_LOG_DEBUG,
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">>>Oh No! Network attach failed for %s\n", name);
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}
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OSKIT_FREEBSD_DESTROY_CURPROC(p);
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return error;
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}
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#if FLASK
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oskit_error_t
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oskit_freebsd_net_ifconfig_secure(oskit_freebsd_net_ether_if_t *eif,
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char *name,
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char *ipaddr,
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char *netmask,
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security_id_t if_sid)
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{
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oskit_error_t rc;
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rc = oskit_freebsd_net_ifconfig(eif,name,ipaddr,netmask);
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if (rc)
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return rc;
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eif->ifp->if_sid = if_sid;
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osenv_log(OSENV_LOG_DEBUG,
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">>>binding SID %d to %s\n",if_sid, name);
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return 0;
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}
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#endif
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