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