2 /* from $OpenBSD: ifconfig.c,v 1.82 2003/10/19 05:43:35 mcbride Exp $ */
5 * Copyright (c) 2002 Michael Shalayeff. All rights reserved.
6 * Copyright (c) 2003 Ryan McBride. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
21 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
26 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27 * THE POSSIBILITY OF SUCH DAMAGE.
30 #include <sys/param.h>
31 #include <sys/ioctl.h>
32 #include <sys/socket.h>
33 #include <sys/sockio.h>
38 #include <net/ethernet.h>
40 #include <netinet/ip_carp.h>
41 #include <net/route.h>
53 static const char *carp_states[] = { CARP_STATES };
55 void carp_status(int s);
56 void setcarp_advbase(const char *,int, int, const struct afswtch *rafp);
57 void setcarp_advskew(const char *, int, int, const struct afswtch *rafp);
58 void setcarp_passwd(const char *, int, int, const struct afswtch *rafp);
59 void setcarp_vhid(const char *, int, int, const struct afswtch *rafp);
67 memset((char *)&carpr, 0, sizeof(struct carpreq));
68 ifr.ifr_data = (caddr_t)&carpr;
70 if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1)
73 if (carpr.carpr_vhid > 0) {
74 if (carpr.carpr_state > CARP_MAXSTATE)
77 state = carp_states[carpr.carpr_state];
79 printf("\tcarp: %s vhid %d advbase %d advskew %d\n",
80 state, carpr.carpr_vhid, carpr.carpr_advbase,
89 setcarp_passwd(const char *val, int d, int s, const struct afswtch *afp)
93 memset((char *)&carpr, 0, sizeof(struct carpreq));
94 ifr.ifr_data = (caddr_t)&carpr;
96 if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1)
99 memset(carpr.carpr_key, 0, sizeof(carpr.carpr_key));
100 /* XXX Should hash the password into the key here, perhaps? */
101 strlcpy(carpr.carpr_key, val, CARP_KEY_LEN);
103 if (ioctl(s, SIOCSVH, (caddr_t)&ifr) == -1)
110 setcarp_vhid(const char *val, int d, int s, const struct afswtch *afp)
113 struct carpreq carpr;
118 errx(1, "vhid must be greater than 0");
120 memset((char *)&carpr, 0, sizeof(struct carpreq));
121 ifr.ifr_data = (caddr_t)&carpr;
123 if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1)
126 carpr.carpr_vhid = vhid;
128 if (ioctl(s, SIOCSVH, (caddr_t)&ifr) == -1)
135 setcarp_advskew(const char *val, int d, int s, const struct afswtch *afp)
138 struct carpreq carpr;
142 memset((char *)&carpr, 0, sizeof(struct carpreq));
143 ifr.ifr_data = (caddr_t)&carpr;
145 if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1)
148 carpr.carpr_advskew = advskew;
150 if (ioctl(s, SIOCSVH, (caddr_t)&ifr) == -1)
157 setcarp_advbase(const char *val, int d, int s, const struct afswtch *afp)
160 struct carpreq carpr;
164 memset((char *)&carpr, 0, sizeof(struct carpreq));
165 ifr.ifr_data = (caddr_t)&carpr;
167 if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1)
170 carpr.carpr_advbase = advbase;
172 if (ioctl(s, SIOCSVH, (caddr_t)&ifr) == -1)
178 static struct cmd carp_cmds[] = {
179 DEF_CMD_ARG("advbase", setcarp_advbase),
180 DEF_CMD_ARG("advskew", setcarp_advskew),
181 DEF_CMD_ARG("pass", setcarp_passwd),
182 DEF_CMD_ARG("vhid", setcarp_vhid),
184 static struct afswtch af_carp = {
185 .af_name = "af_carp",
187 .af_other_status = carp_status,
190 static __constructor void
193 #define N(a) (sizeof(a) / sizeof(a[0]))
196 for (i = 0; i < N(carp_cmds); i++)
197 cmd_register(&carp_cmds[i]);
198 af_register(&af_carp);