1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 1997 Peter Wemm. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the FreeBSD Project 18 * by Peter Wemm. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * so there! 35 */ 36 37 #pragma once 38 39 #include <libifconfig.h> 40 41 #define __constructor __attribute__((constructor)) 42 43 struct afswtch; 44 struct cmd; 45 46 typedef void c_func(const char *cmd, int arg, int s, const struct afswtch *afp); 47 typedef void c_func2(const char *arg1, const char *arg2, int s, const struct afswtch *afp); 48 49 struct cmd { 50 const char *c_name; 51 int c_parameter; 52 #define NEXTARG 0xffffff /* has following arg */ 53 #define NEXTARG2 0xfffffe /* has 2 following args */ 54 #define OPTARG 0xfffffd /* has optional following arg */ 55 union { 56 c_func *c_func; 57 c_func2 *c_func2; 58 } c_u; 59 int c_iscloneop; 60 struct cmd *c_next; 61 }; 62 void cmd_register(struct cmd *); 63 64 typedef void callback_func(int s, void *); 65 void callback_register(callback_func *, void *); 66 67 /* 68 * Macros for declaring command functions and initializing entries. 69 */ 70 #define DECL_CMD_FUNC(name, cmd, arg) \ 71 void name(const char *cmd, int arg, int s, const struct afswtch *afp) 72 #define DECL_CMD_FUNC2(name, arg1, arg2) \ 73 void name(const char *arg1, const char *arg2, int s, const struct afswtch *afp) 74 75 #define DEF_CMD(name, param, func) { name, param, { .c_func = func }, 0, NULL } 76 #define DEF_CMD_ARG(name, func) { name, NEXTARG, { .c_func = func }, 0, NULL } 77 #define DEF_CMD_OPTARG(name, func) { name, OPTARG, { .c_func = func }, 0, NULL } 78 #define DEF_CMD_ARG2(name, func) { name, NEXTARG2, { .c_func2 = func }, 0, NULL } 79 #define DEF_CLONE_CMD(name, param, func) { name, param, { .c_func = func }, 1, NULL } 80 #define DEF_CLONE_CMD_ARG(name, func) { name, NEXTARG, { .c_func = func }, 1, NULL } 81 #define DEF_CLONE_CMD_ARG2(name, func) { name, NEXTARG2, { .c_func2 = func }, 1, NULL } 82 83 struct ifaddrs; 84 struct addrinfo; 85 86 enum { 87 RIDADDR, 88 ADDR, 89 MASK, 90 DSTADDR, 91 }; 92 93 struct afswtch { 94 const char *af_name; /* as given on cmd line, e.g. "inet" */ 95 short af_af; /* AF_* */ 96 /* 97 * Status is handled one of two ways; if there is an 98 * address associated with the interface then the 99 * associated address family af_status method is invoked 100 * with the appropriate addressin info. Otherwise, if 101 * all possible info is to be displayed and af_other_status 102 * is defined then it is invoked after all address status 103 * is presented. 104 */ 105 void (*af_status)(int, const struct ifaddrs *); 106 void (*af_other_status)(int); 107 /* parse address method */ 108 void (*af_getaddr)(const char *, int); 109 /* parse prefix method (IPv6) */ 110 void (*af_getprefix)(const char *, int); 111 void (*af_postproc)(int s, const struct afswtch *, 112 int newaddr, int ifflags); 113 u_long af_difaddr; /* set dst if address ioctl */ 114 u_long af_aifaddr; /* set if address ioctl */ 115 void *af_ridreq; /* */ 116 void *af_addreq; /* */ 117 struct afswtch *af_next; 118 119 /* XXX doesn't fit model */ 120 void (*af_status_tunnel)(int); 121 void (*af_settunnel)(int s, struct addrinfo *srcres, 122 struct addrinfo *dstres); 123 }; 124 void af_register(struct afswtch *); 125 126 struct option { 127 const char *opt; 128 const char *opt_usage; 129 void (*cb)(const char *arg); 130 struct option *next; 131 }; 132 void opt_register(struct option *); 133 134 extern ifconfig_handle_t *lifh; 135 extern struct ifreq ifr; 136 extern char name[IFNAMSIZ]; /* name of interface */ 137 extern int allmedia; 138 extern int supmedia; 139 extern int printkeys; 140 extern int newaddr; 141 extern int verbose; 142 extern int printifname; 143 extern int exit_code; 144 145 void setifcap(const char *, int value, int s, const struct afswtch *); 146 147 void Perror(const char *cmd); 148 void printb(const char *s, unsigned value, const char *bits); 149 150 void ifmaybeload(const char *name); 151 152 typedef int clone_match_func(const char *); 153 typedef void clone_callback_func(int, struct ifreq *); 154 void clone_setdefcallback_prefix(const char *, clone_callback_func *); 155 void clone_setdefcallback_filter(clone_match_func *, clone_callback_func *); 156 157 void sfp_status(int s, struct ifreq *ifr, int verbose); 158 159 /* 160 * XXX expose this so modules that neeed to know of any pending 161 * operations on ifmedia can avoid cmd line ordering confusion. 162 */ 163 struct ifmediareq *ifmedia_getstate(void); 164 165 void print_vhid(const struct ifaddrs *, const char *); 166 167 void ioctl_ifcreate(int s, struct ifreq *); 168