コード例 #1
0
ファイル: in6_rmx.c プロジェクト: hmatyschok/MeshBSD
int
in6_rtrequest(int req, struct sockaddr *dst, struct sockaddr *gw,
    struct sockaddr *mask, int flags, struct rtentry **ret_nrt, u_int fibnum)
{

	return (rtrequest_fib(req, dst, gw, mask, flags, ret_nrt, fibnum));
}
コード例 #2
0
ファイル: ff_veth.c プロジェクト: cleveritcz/f-stack
static int
ff_veth_set_gateway(struct ff_veth_softc *sc)
{
    struct sockaddr_in gw;
    bzero(&gw, sizeof(gw));
    gw.sin_len = sizeof(gw);
    gw.sin_family = AF_INET;
    gw.sin_addr.s_addr = sc->gateway;

    struct sockaddr_in dst;
    bzero(&dst, sizeof(dst));
    dst.sin_len = sizeof(dst);
    dst.sin_family = AF_INET;
    dst.sin_addr.s_addr = 0;

    struct sockaddr_in nm;
    bzero(&nm, sizeof(nm));
    nm.sin_len = sizeof(nm);
    nm.sin_family = AF_INET;
    nm.sin_addr.s_addr = 0;

    return rtrequest_fib(RTM_ADD, (struct sockaddr *)&dst, (struct sockaddr *)&gw,
        (struct sockaddr *)&nm, RTF_GATEWAY, NULL, RT_DEFAULT_FIB);
}
コード例 #3
0
ファイル: bootp_subr.c プロジェクト: edgar-pek/PerspicuOS
static int
bootpc_adjust_interface(struct bootpc_ifcontext *ifctx,
    struct bootpc_globalcontext *gctx, struct thread *td)
{
	int error;
	struct sockaddr_in defdst;
	struct sockaddr_in defmask;
	struct sockaddr_in *sin;
	struct ifreq *ireq;
	struct socket *so;
	struct sockaddr_in *myaddr;
	struct sockaddr_in *netmask;
	struct sockaddr_in *gw;

	ireq = &ifctx->ireq;
	so = ifctx->so;
	myaddr = &ifctx->myaddr;
	netmask = &ifctx->netmask;
	gw = &ifctx->gw;

	if (bootpc_ifctx_isresolved(ifctx) == 0) {

		/* Shutdown interfaces where BOOTP failed */

		printf("Shutdown interface %s\n", ifctx->ireq.ifr_name);
		error = ifioctl(so, SIOCGIFFLAGS, (caddr_t)ireq, td);
		if (error != 0)
			panic("bootpc_adjust_interface: "
			      "SIOCGIFFLAGS, error=%d", error);
		ireq->ifr_flags &= ~IFF_UP;
		error = ifioctl(so, SIOCSIFFLAGS, (caddr_t)ireq, td);
		if (error != 0)
			panic("bootpc_adjust_interface: "
			      "SIOCSIFFLAGS, error=%d", error);

		sin = (struct sockaddr_in *) &ireq->ifr_addr;
		clear_sinaddr(sin);
		error = ifioctl(so, SIOCDIFADDR, (caddr_t) ireq, td);
		if (error != 0 && (error != EEXIST ||
				   ifctx == gctx->interfaces))
			panic("bootpc_adjust_interface: "
			      "SIOCDIFADDR, error=%d", error);

		return 0;
	}

	printf("Adjusted interface %s\n", ifctx->ireq.ifr_name);
	/*
	 * Do enough of ifconfig(8) so that the chosen interface
	 * can talk to the servers.  (just set the address)
	 */
	bcopy(netmask, &ireq->ifr_addr, sizeof(*netmask));
	error = ifioctl(so, SIOCSIFNETMASK, (caddr_t) ireq, td);
	if (error != 0)
		panic("bootpc_adjust_interface: "
		      "set if netmask, error=%d", error);

	/* Broadcast is with host part of IP address all 1's */

	sin = (struct sockaddr_in *) &ireq->ifr_addr;
	clear_sinaddr(sin);
	sin->sin_addr.s_addr = myaddr->sin_addr.s_addr |
		~ netmask->sin_addr.s_addr;
	error = ifioctl(so, SIOCSIFBRDADDR, (caddr_t) ireq, td);
	if (error != 0)
		panic("bootpc_adjust_interface: "
		      "set if broadcast addr, error=%d", error);

	bcopy(myaddr, &ireq->ifr_addr, sizeof(*myaddr));
	error = ifioctl(so, SIOCSIFADDR, (caddr_t) ireq, td);
	if (error != 0 && (error != EEXIST || ifctx == gctx->interfaces))
		panic("bootpc_adjust_interface: "
		      "set if addr, error=%d", error);

	/* Add new default route */

	if (ifctx->gotgw != 0 || gctx->gotgw == 0) {
		clear_sinaddr(&defdst);
		clear_sinaddr(&defmask);
		/* XXX MRT just table 0 */
		error = rtrequest_fib(RTM_ADD,
				  (struct sockaddr *) &defdst,
				  (struct sockaddr *) gw,
				  (struct sockaddr *) &defmask,
				  (RTF_UP | RTF_GATEWAY | RTF_STATIC), NULL, 0);
		if (error != 0) {
			printf("bootpc_adjust_interface: "
			       "add net route, error=%d\n", error);
			return error;
		}
	}

	return 0;
}
コード例 #4
0
ファイル: nfs_vfsops.c プロジェクト: vkhromov/freebsd
/*
 * Mount a remote root fs via. nfs. This depends on the info in the
 * nfs_diskless structure that has been filled in properly by some primary
 * bootstrap.
 * It goes something like this:
 * - do enough of "ifconfig" by calling ifioctl() so that the system
 *   can talk to the server
 * - If nfs_diskless.mygateway is filled in, use that address as
 *   a default gateway.
 * - build the rootfs mount point and call mountnfs() to do the rest.
 *
 * It is assumed to be safe to read, modify, and write the nfsv3_diskless
 * structure, as well as other global NFS client variables here, as
 * nfs_mountroot() will be called once in the boot before any other NFS
 * client activity occurs.
 */
int
nfs_mountroot(struct mount *mp)
{
	struct thread *td = curthread;
	struct nfsv3_diskless *nd = &nfsv3_diskless;
	struct socket *so;
	struct vnode *vp;
	struct ifreq ir;
	int error;
	u_long l;
	char buf[128];
	char *cp;


#if defined(BOOTP_NFSROOT) && defined(BOOTP)
	bootpc_init();		/* use bootp to get nfs_diskless filled in */
#elif defined(NFS_ROOT)
	nfs_setup_diskless();
#endif

	if (nfs_diskless_valid == 0) {
		return (-1);
	}
	if (nfs_diskless_valid == 1)
		nfs_convert_diskless();

	/*
	 * XXX splnet, so networks will receive...
	 */
	splnet();

	/*
	 * Do enough of ifconfig(8) so that the critical net interface can
	 * talk to the server.
	 */
	error = socreate(nd->myif.ifra_addr.sa_family, &so, nd->root_args.sotype, 0,
	    td->td_ucred, td);
	if (error)
		panic("nfs_mountroot: socreate(%04x): %d",
			nd->myif.ifra_addr.sa_family, error);

#if 0 /* XXX Bad idea */
	/*
	 * We might not have been told the right interface, so we pass
	 * over the first ten interfaces of the same kind, until we get
	 * one of them configured.
	 */

	for (i = strlen(nd->myif.ifra_name) - 1;
		nd->myif.ifra_name[i] >= '0' &&
		nd->myif.ifra_name[i] <= '9';
		nd->myif.ifra_name[i] ++) {
		error = ifioctl(so, SIOCAIFADDR, (caddr_t)&nd->myif, td);
		if(!error)
			break;
	}
#endif

	error = ifioctl(so, SIOCAIFADDR, (caddr_t)&nd->myif, td);
	if (error)
		panic("nfs_mountroot: SIOCAIFADDR: %d", error);

	if ((cp = getenv("boot.netif.mtu")) != NULL) {
		ir.ifr_mtu = strtol(cp, NULL, 10);
		bcopy(nd->myif.ifra_name, ir.ifr_name, IFNAMSIZ);
		freeenv(cp);
		error = ifioctl(so, SIOCSIFMTU, (caddr_t)&ir, td);
		if (error)
			printf("nfs_mountroot: SIOCSIFMTU: %d", error);
	}
	soclose(so);

	/*
	 * If the gateway field is filled in, set it as the default route.
	 * Note that pxeboot will set a default route of 0 if the route
	 * is not set by the DHCP server.  Check also for a value of 0
	 * to avoid panicking inappropriately in that situation.
	 */
	if (nd->mygateway.sin_len != 0 &&
	    nd->mygateway.sin_addr.s_addr != 0) {
		struct sockaddr_in mask, sin;

		bzero((caddr_t)&mask, sizeof(mask));
		sin = mask;
		sin.sin_family = AF_INET;
		sin.sin_len = sizeof(sin);
                /* XXX MRT use table 0 for this sort of thing */
		CURVNET_SET(TD_TO_VNET(td));
		error = rtrequest_fib(RTM_ADD, (struct sockaddr *)&sin,
		    (struct sockaddr *)&nd->mygateway,
		    (struct sockaddr *)&mask,
		    RTF_UP | RTF_GATEWAY, NULL, RT_DEFAULT_FIB);
		CURVNET_RESTORE();
		if (error)
			panic("nfs_mountroot: RTM_ADD: %d", error);
	}

	/*
	 * Create the rootfs mount point.
	 */
	nd->root_args.fh = nd->root_fh;
	nd->root_args.fhsize = nd->root_fhsize;
	l = ntohl(nd->root_saddr.sin_addr.s_addr);
	snprintf(buf, sizeof(buf), "%ld.%ld.%ld.%ld:%s",
		(l >> 24) & 0xff, (l >> 16) & 0xff,
		(l >>  8) & 0xff, (l >>  0) & 0xff, nd->root_hostnam);
	printf("NFS ROOT: %s\n", buf);
	nd->root_args.hostname = buf;
	if ((error = nfs_mountdiskless(buf,
	    &nd->root_saddr, &nd->root_args, td, &vp, mp)) != 0) {
		return (error);
	}

	/*
	 * This is not really an nfs issue, but it is much easier to
	 * set hostname here and then let the "/etc/rc.xxx" files
	 * mount the right /var based upon its preset value.
	 */
	mtx_lock(&prison0.pr_mtx);
	strlcpy(prison0.pr_hostname, nd->my_hostnam,
	    sizeof (prison0.pr_hostname));
	mtx_unlock(&prison0.pr_mtx);
	inittodr(ntohl(nd->root_time));
	return (0);
}