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 31 #include <sys/param.h> 32 #include <sys/ioctl.h> 33 #include <sys/socket.h> 34 #include <sys/sockio.h> 35 36 #include <net/if.h> 37 #include <net/route.h> 38 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <string.h> 42 #include <err.h> 43 44 #include "ifconfig.h" 45 46 static void 47 fib_status(if_ctx *ctx) 48 { 49 struct ifreq ifr; 50 51 memset(&ifr, 0, sizeof(ifr)); 52 strlcpy(ifr.ifr_name, ctx->ifname, sizeof(ifr.ifr_name)); 53 if (ioctl_ctx(ctx, SIOCGIFFIB, (caddr_t)&ifr) == 0 && 54 ifr.ifr_fib != RT_DEFAULT_FIB) 55 printf("\tfib: %u\n", ifr.ifr_fib); 56 57 memset(&ifr, 0, sizeof(ifr)); 58 strlcpy(ifr.ifr_name, ctx->ifname, sizeof(ifr.ifr_name)); 59 if (ioctl_ctx(ctx, SIOCGTUNFIB, (caddr_t)&ifr) == 0 && 60 ifr.ifr_fib != RT_DEFAULT_FIB) 61 printf("\ttunnelfib: %u\n", ifr.ifr_fib); 62 } 63 64 static void 65 setiffib(if_ctx *ctx, const char *val, int dummy __unused) 66 { 67 struct ifreq ifr = {}; 68 unsigned long fib; 69 char *ep; 70 71 fib = strtoul(val, &ep, 0); 72 if (*ep != '\0' || fib > UINT_MAX) { 73 warn("fib %s not valid", val); 74 return; 75 } 76 77 ifr.ifr_fib = fib; 78 if (ioctl_ctx_ifr(ctx, SIOCSIFFIB, &ifr) < 0) 79 warn("ioctl (SIOCSIFFIB)"); 80 } 81 82 static void 83 settunfib(if_ctx *ctx, const char *val, int dummy __unused) 84 { 85 struct ifreq ifr = {}; 86 unsigned long fib; 87 char *ep; 88 89 fib = strtoul(val, &ep, 0); 90 if (*ep != '\0' || fib > UINT_MAX) { 91 warn("fib %s not valid", val); 92 return; 93 } 94 95 ifr.ifr_fib = fib; 96 if (ioctl_ctx_ifr(ctx, SIOCSTUNFIB, &ifr) < 0) 97 warn("ioctl (SIOCSTUNFIB)"); 98 } 99 100 static struct cmd fib_cmds[] = { 101 DEF_CMD_ARG("fib", setiffib), 102 DEF_CMD_ARG("tunnelfib", settunfib), 103 }; 104 105 static struct afswtch af_fib = { 106 .af_name = "af_fib", 107 .af_af = AF_UNSPEC, 108 .af_other_status = fib_status, 109 }; 110 111 static __constructor void 112 fib_ctor(void) 113 { 114 size_t i; 115 116 for (i = 0; i < nitems(fib_cmds); i++) 117 cmd_register(&fib_cmds[i]); 118 af_register(&af_fib); 119 } 120