/* * Copyright (c) 2017-2018 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1999 * Bill Paul <wpaul@ctr.columbia.edu>. 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 Bill Paul. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD * 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. */ #include <sys/param.h> #include <sys/ioctl.h> #include <sys/socket.h> #include <sys/sockio.h> #include <stdlib.h> #include <unistd.h> #include <net/ethernet.h> #include <net/if.h> #include <net/if_var.h> #include <net/if_6lowpan_var.h> #include <net/route.h> #include <ctype.h> #include <stdio.h> #include <string.h> #include <stdlib.h> #include <unistd.h> #include <err.h> #include <errno.h> #include "ifconfig.h" #include <sys/cdefs.h> static boolean_t is_sixlowpan_inited = FALSE; static struct sixlowpanreq params; static int get6lowpan(int s, struct ifreq *ifr, struct sixlowpanreq *req) { bzero((char *)req, sizeof(*req)); ifr->ifr_data = (caddr_t)req; return ioctl(s, SIOCGIF6LOWPAN, (caddr_t)ifr); } static void sixlowpan_status(int s) { struct sixlowpanreq req; if (get6lowpan(s, &ifr, &req) != -1) printf("\t6lowpan: parent interface: %s\n", req.parent[0] == '\0' ? "<none>" : req.parent); } static void set6lowpandev(const char *val, int d, int s, const struct afswtch *afp) { struct sixlowpanreq req; strlcpy(params.parent, val, sizeof(params.parent)); is_sixlowpan_inited = TRUE; fprintf(stderr, "val %s\n", val); strlcpy(req.parent, val, sizeof(req.parent)); ifr.ifr_data = (caddr_t) &req; if (ioctl(s, SIOCSIF6LOWPAN, (caddr_t)&ifr) == -1) err(1, "SIOCSIF6LOWPAN"); } static void unset6lowpandev(const char *val, int d, int s, const struct afswtch *afp) { struct sixlowpanreq req; bzero((char *)&req, sizeof(req)); ifr.ifr_data = (caddr_t)&req; if (ioctl(s, SIOCGIF6LOWPAN, (caddr_t)&ifr) == -1) err(1, "SIOCGIF6LOWPAN"); bzero((char *)&req, sizeof(req)); if (ioctl(s, SIOCSIF6LOWPAN, (caddr_t)&ifr) == -1) err(1, "SIOCSIF6LOWPAN"); } static void sixlowpan_create(const char *val, int d, int s, const struct afswtch *afp) { strlcpy(params.parent, val, sizeof(params.parent)); is_sixlowpan_inited = TRUE; } static void sixlowpan_clone_cb(int s, void *arg) { if (is_sixlowpan_inited == TRUE && params.parent[0] == '\0') errx(1, "6lowpandev must be specified"); } static struct cmd sixlowpan_cmds[] = { DEF_CLONE_CMD_ARG("6lowpandev", sixlowpan_create), DEF_CMD_OPTARG("6lowpansetdev", set6lowpandev), DEF_CMD_OPTARG("6lowpanunsetdev", unset6lowpandev), }; static struct afswtch af_6lowpan = { .af_name = "af_6lowpan", .af_af = AF_UNSPEC, .af_other_status = sixlowpan_status, }; static __constructor void sixlowpan_ctor(void) { #define N(a) (sizeof(a) / sizeof(a[0])) int i; for (i = 0; i < N(sixlowpan_cmds); i++) cmd_register(&sixlowpan_cmds[i]); af_register(&af_6lowpan); callback_register(sixlowpan_clone_cb, NULL); #undef N }