1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2011 Alexander V. Chernikov 5 * Copyright (c) 2011 Christian S.J. Peron 6 * Copyright (c) 2011 Bjoern A. Zeeb 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 33 #include <sys/param.h> 34 #include <sys/ioctl.h> 35 #include <sys/socket.h> 36 #include <sys/sockio.h> 37 38 #include <net/if.h> 39 #include <net/route.h> 40 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #include <err.h> 45 46 #include "ifconfig.h" 47 48 static void 49 fib_status(int s) 50 { 51 struct ifreq ifr; 52 53 memset(&ifr, 0, sizeof(ifr)); 54 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 55 if (ioctl(s, SIOCGIFFIB, (caddr_t)&ifr) == 0 && 56 ifr.ifr_fib != RT_DEFAULT_FIB) 57 printf("\tfib: %u\n", ifr.ifr_fib); 58 59 memset(&ifr, 0, sizeof(ifr)); 60 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 61 if (ioctl(s, SIOCGTUNFIB, (caddr_t)&ifr) == 0 && 62 ifr.ifr_fib != RT_DEFAULT_FIB) 63 printf("\ttunnelfib: %u\n", ifr.ifr_fib); 64 } 65 66 static void 67 setiffib(const char *val, int dummy __unused, int s, 68 const struct afswtch *afp) 69 { 70 unsigned long fib; 71 char *ep; 72 73 fib = strtoul(val, &ep, 0); 74 if (*ep != '\0' || fib > UINT_MAX) { 75 warn("fib %s not valid", val); 76 return; 77 } 78 79 strlcpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 80 ifr.ifr_fib = fib; 81 if (ioctl(s, SIOCSIFFIB, (caddr_t)&ifr) < 0) 82 warn("ioctl (SIOCSIFFIB)"); 83 } 84 85 static void 86 settunfib(const char *val, int dummy __unused, int s, 87 const struct afswtch *afp) 88 { 89 unsigned long fib; 90 char *ep; 91 92 fib = strtoul(val, &ep, 0); 93 if (*ep != '\0' || fib > UINT_MAX) { 94 warn("fib %s not valid", val); 95 return; 96 } 97 98 strlcpy(ifr.ifr_name, name, sizeof (ifr.ifr_name)); 99 ifr.ifr_fib = fib; 100 if (ioctl(s, SIOCSTUNFIB, (caddr_t)&ifr) < 0) 101 warn("ioctl (SIOCSTUNFIB)"); 102 } 103 104 static struct cmd fib_cmds[] = { 105 DEF_CMD_ARG("fib", setiffib), 106 DEF_CMD_ARG("tunnelfib", settunfib), 107 }; 108 109 static struct afswtch af_fib = { 110 .af_name = "af_fib", 111 .af_af = AF_UNSPEC, 112 .af_other_status = fib_status, 113 }; 114 115 static __constructor void 116 fib_ctor(void) 117 { 118 size_t i; 119 120 for (i = 0; i < nitems(fib_cmds); i++) 121 cmd_register(&fib_cmds[i]); 122 af_register(&af_fib); 123 } 124