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 * $FreeBSD$ 37 */ 38 39 #pragma once 40 41 #include <libifconfig.h> 42 43 #define __constructor __attribute__((constructor)) 44 45 struct afswtch; 46 struct cmd; 47 48 typedef void c_func(const char *cmd, int arg, int s, const struct afswtch *afp); 49 typedef void c_func2(const char *arg1, const char *arg2, int s, 50 const struct afswtch *afp); 51 typedef void c_func3(const char *cmd, const char *arg, int s, 52 const struct afswtch *afp); 53 54 struct cmd { 55 const char *c_name; 56 int c_parameter; 57 #define NEXTARG 0xffffff /* has following arg */ 58 #define NEXTARG2 0xfffffe /* has 2 following args */ 59 #define OPTARG 0xfffffd /* has optional following arg */ 60 #define SPARAM 0xfffffc /* parameter is string c_sparameter */ 61 const char *c_sparameter; 62 union { 63 c_func *c_func; 64 c_func2 *c_func2; 65 c_func3 *c_func3; 66 } c_u; 67 int c_iscloneop; 68 struct cmd *c_next; 69 }; 70 void cmd_register(struct cmd *); 71 72 typedef void callback_func(int s, void *); 73 void callback_register(callback_func *, void *); 74 75 /* 76 * Macros for declaring command functions and initializing entries. 77 */ 78 #define DECL_CMD_FUNC(name, cmd, arg) \ 79 void name(const char *cmd, int arg, int s, const struct afswtch *afp) 80 #define DECL_CMD_FUNC2(name, arg1, arg2) \ 81 void name(const char *arg1, const char *arg2, int s, \ 82 const struct afswtch *afp) 83 84 #define DEF_CMD(name, param, func) { \ 85 .c_name = (name), \ 86 .c_parameter = (param), \ 87 .c_u = { .c_func = (func) }, \ 88 .c_iscloneop = 0, \ 89 .c_next = NULL, \ 90 } 91 #define DEF_CMD_ARG(name, func) { \ 92 .c_name = (name), \ 93 .c_parameter = NEXTARG, \ 94 .c_u = { .c_func = (func) }, \ 95 .c_iscloneop = 0, \ 96 .c_next = NULL, \ 97 } 98 #define DEF_CMD_OPTARG(name, func) { \ 99 .c_name = (name), \ 100 .c_parameter = OPTARG, \ 101 .c_u = { .c_func = (func) }, \ 102 .c_iscloneop = 0, \ 103 .c_next = NULL, \ 104 } 105 #define DEF_CMD_ARG2(name, func) { \ 106 .c_name = (name), \ 107 .c_parameter = NEXTARG2, \ 108 .c_u = { .c_func2 = (func) }, \ 109 .c_iscloneop = 0, \ 110 .c_next = NULL, \ 111 } 112 #define DEF_CMD_SARG(name, sparam, func) { \ 113 .c_name = (name), \ 114 .c_parameter = SPARAM, \ 115 .c_sparameter = (sparam), \ 116 .c_u = { .c_func3 = (func) }, \ 117 .c_iscloneop = 0, \ 118 .c_next = NULL, \ 119 } 120 #define DEF_CLONE_CMD(name, param, func) { \ 121 .c_name = (name), \ 122 .c_parameter = (param), \ 123 .c_u = { .c_func = (func) }, \ 124 .c_iscloneop = 1, \ 125 .c_next = NULL, \ 126 } 127 #define DEF_CLONE_CMD_ARG(name, func) { \ 128 .c_name = (name), \ 129 .c_parameter = NEXTARG, \ 130 .c_u = { .c_func = (func) }, \ 131 .c_iscloneop = 1, \ 132 .c_next = NULL, \ 133 } 134 #define DEF_CLONE_CMD_ARG2(name, func) { \ 135 .c_name = (name), \ 136 .c_parameter = NEXTARG2, \ 137 .c_u = { .c_func2 = (func) }, \ 138 .c_iscloneop = 1, \ 139 .c_next = NULL, \ 140 } 141 142 struct ifaddrs; 143 struct addrinfo; 144 145 enum { 146 RIDADDR, 147 ADDR, 148 MASK, 149 DSTADDR, 150 }; 151 152 struct afswtch { 153 const char *af_name; /* as given on cmd line, e.g. "inet" */ 154 short af_af; /* AF_* */ 155 /* 156 * Status is handled one of two ways; if there is an 157 * address associated with the interface then the 158 * associated address family af_status method is invoked 159 * with the appropriate addressin info. Otherwise, if 160 * all possible info is to be displayed and af_other_status 161 * is defined then it is invoked after all address status 162 * is presented. 163 */ 164 void (*af_status)(int, const struct ifaddrs *); 165 void (*af_other_status)(int); 166 /* parse address method */ 167 void (*af_getaddr)(const char *, int); 168 /* parse prefix method (IPv6) */ 169 void (*af_getprefix)(const char *, int); 170 void (*af_postproc)(int s, const struct afswtch *, 171 int newaddr, int ifflags); 172 u_long af_difaddr; /* set dst if address ioctl */ 173 u_long af_aifaddr; /* set if address ioctl */ 174 void *af_ridreq; /* */ 175 void *af_addreq; /* */ 176 struct afswtch *af_next; 177 178 /* XXX doesn't fit model */ 179 void (*af_status_tunnel)(int); 180 void (*af_settunnel)(int s, struct addrinfo *srcres, 181 struct addrinfo *dstres); 182 }; 183 void af_register(struct afswtch *); 184 185 struct option { 186 const char *opt; 187 const char *opt_usage; 188 void (*cb)(const char *arg); 189 struct option *next; 190 }; 191 void opt_register(struct option *); 192 193 extern ifconfig_handle_t *lifh; 194 extern struct ifreq ifr; 195 extern char name[IFNAMSIZ]; /* name of interface */ 196 extern int allmedia; 197 extern int supmedia; 198 extern int printkeys; 199 extern int newaddr; 200 extern int verbose; 201 extern int printifname; 202 extern int exit_code; 203 204 void setifcap(const char *, int value, int s, const struct afswtch *); 205 void setifcapnv(const char *vname, const char *arg, int s, 206 const struct afswtch *afp); 207 208 void Perror(const char *cmd); 209 void printb(const char *s, unsigned value, const char *bits); 210 211 void ifmaybeload(const char *name); 212 213 typedef int clone_match_func(const char *); 214 typedef void clone_callback_func(int, struct ifreq *); 215 void clone_setdefcallback_prefix(const char *, clone_callback_func *); 216 void clone_setdefcallback_filter(clone_match_func *, clone_callback_func *); 217 218 void sfp_status(int s, struct ifreq *ifr, int verbose); 219 220 /* 221 * XXX expose this so modules that neeed to know of any pending 222 * operations on ifmedia can avoid cmd line ordering confusion. 223 */ 224 struct ifmediareq *ifmedia_getstate(void); 225 226 void print_vhid(const struct ifaddrs *, const char *); 227 228 void ioctl_ifcreate(int s, struct ifreq *); 229