1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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(if_ctx *ctx) 50 { 51 struct ifreq ifr; 52 53 memset(&ifr, 0, sizeof(ifr)); 54 strlcpy(ifr.ifr_name, ctx->ifname, sizeof(ifr.ifr_name)); 55 if (ioctl_ctx(ctx, 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, ctx->ifname, sizeof(ifr.ifr_name)); 61 if (ioctl_ctx(ctx, 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(if_ctx *ctx, const char *val, int dummy __unused) 68 { 69 struct ifreq ifr = {}; 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 ifr.ifr_fib = fib; 80 if (ioctl_ctx_ifr(ctx, SIOCSIFFIB, &ifr) < 0) 81 warn("ioctl (SIOCSIFFIB)"); 82 } 83 84 static void 85 settunfib(if_ctx *ctx, const char *val, int dummy __unused) 86 { 87 struct ifreq ifr = {}; 88 unsigned long fib; 89 char *ep; 90 91 fib = strtoul(val, &ep, 0); 92 if (*ep != '\0' || fib > UINT_MAX) { 93 warn("fib %s not valid", val); 94 return; 95 } 96 97 ifr.ifr_fib = fib; 98 if (ioctl_ctx_ifr(ctx, SIOCSTUNFIB, &ifr) < 0) 99 warn("ioctl (SIOCSTUNFIB)"); 100 } 101 102 static struct cmd fib_cmds[] = { 103 DEF_CMD_ARG("fib", setiffib), 104 DEF_CMD_ARG("tunnelfib", settunfib), 105 }; 106 107 static struct afswtch af_fib = { 108 .af_name = "af_fib", 109 .af_af = AF_UNSPEC, 110 .af_other_status = fib_status, 111 }; 112 113 static __constructor void 114 fib_ctor(void) 115 { 116 size_t i; 117 118 for (i = 0; i < nitems(fib_cmds); i++) 119 cmd_register(&fib_cmds[i]); 120 af_register(&af_fib); 121 } 122