File: [local] / src / sbin / ifconfig / ifconfig.c (download)
Revision 1.93, Thu Mar 18 20:52:13 2004 UTC (20 years, 2 months ago) by mcbride
Branch: MAIN
CVS Tags: OPENBSD_3_5_BASE, OPENBSD_3_5
Changes since 1.92: +27 -2 lines
Allow the state of a carp interface to be changed explicitly.
ok markus@
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/* $OpenBSD: ifconfig.c,v 1.93 2004/03/18 20:52:13 mcbride Exp $ */
/* $NetBSD: ifconfig.c,v 1.40 1997/10/01 02:19:43 enami Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*-
* Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef lint
static const char copyright[] =
"@(#) Copyright (c) 1983, 1993\n\
The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
#if 0
static const char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94";
#else
static const char rcsid[] = "$OpenBSD: ifconfig.c,v 1.93 2004/03/18 20:52:13 mcbride Exp $";
#endif
#endif /* not lint */
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_types.h>
#include <netinet/in.h>
#include <netinet/in_var.h>
#include <netinet6/nd6.h>
#include <arpa/inet.h>
#include <netinet/ip_ipsp.h>
#include <netinet/if_ether.h>
#include <net/if_enc.h>
#include <net/if_ieee80211.h>
#include <net/pfvar.h>
#include <net/if_pfsync.h>
#include <netatalk/at.h>
#include <netinet/ip_carp.h>
#define NSIP
#include <netns/ns.h>
#include <netns/ns_if.h>
#define IPXIP
#include <netipx/ipx.h>
#include <netipx/ipx_if.h>
#include <netdb.h>
#define EON
#include <netiso/iso.h>
#include <netiso/iso_var.h>
#include <sys/protosw.h>
#ifndef INET_ONLY
#include <net/if_vlan_var.h>
#endif
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#ifdef HAVE_IFADDRS_H
#include <ifaddrs.h>
#endif
struct ifreq ifr, ridreq;
struct ifaliasreq addreq;
struct in_aliasreq in_addreq;
#ifdef INET6
struct in6_ifreq ifr6;
struct in6_ifreq in6_ridreq;
struct in6_aliasreq in6_addreq;
#endif
struct iso_ifreq iso_ridreq;
struct iso_aliasreq iso_addreq;
struct sockaddr_in netmask;
struct netrange at_nr; /* AppleTalk net range */
int ipx_type = IPX_ETHERTYPE_II;
char name[IFNAMSIZ];
int flags, setaddr, setipdst, doalias;
u_long metric, mtu;
int clearaddr, s;
int newaddr = 0;
int nsellength = 1;
int af = AF_INET;
int dflag, mflag, lflag, uflag;
int reset_if_flags;
int explicit_prefix = 0;
#ifdef INET6
int Lflag = 1;
#endif
void notealias(const char *, int);
void notrailers(const char *, int);
void setifaddr(const char *, int);
void setifdstaddr(const char *, int);
void setifflags(const char *, int);
void setifbroadaddr(const char *, int);
void setifipdst(const char *, int);
void setifmetric(const char *, int);
void setifmtu(const char *, int);
void setifnwid(const char *, int);
void setifnwkey(const char *, int);
void setifpowersave(const char *, int);
void setifpowersavesleep(const char *, int);
void setifnetmask(const char *, int);
void setifprefixlen(const char *, int);
void setnsellength(const char *, int);
void setsnpaoffset(const char *, int);
void setipxframetype(const char *, int);
void setatrange(const char *, int);
void setatphase(const char *, int);
void settunnel(const char *, const char *);
void deletetunnel(const char *, int);
#ifdef INET6
void setia6flags(const char *, int);
void setia6pltime(const char *, int);
void setia6vltime(const char *, int);
void setia6lifetime(const char *, const char *);
void setia6eui64(const char *, int);
#endif
void checkatrange(struct sockaddr_at *);
void setmedia(const char *, int);
void setmediaopt(const char *, int);
void clone_create(const char *, int);
void clone_destroy(const char *, int);
void unsetmediaopt(const char *, int);
void setmediainst(const char *, int);
void setvlantag(const char *, int);
void setvlandev(const char *, int);
void unsetvlandev(const char *, int);
void vlan_status(void);
void carp_status(void);
void setcarp_advbase(const char *,int);
void setcarp_advskew(const char *, int);
void setcarp_passwd(const char *, int);
void setcarp_vhid(const char *, int);
void setcarp_state(const char *, int);
void setpfsync_syncif(const char *, int);
void setpfsync_maxupd(const char *, int);
void unsetpfsync_syncif(const char *, int);
void pfsync_status(void);
void fixnsel(struct sockaddr_iso *);
int main(int, char *[]);
int prefix(void *val, int);
/*
* Media stuff. Whenever a media command is first performed, the
* currently select media is grabbed for this interface. If `media'
* is given, the current media word is modified. `mediaopt' commands
* only modify the set and clear words. They then operate on the
* current media word later.
*/
int media_current;
int mediaopt_set;
int mediaopt_clear;
int actions; /* Actions performed */
#define A_MEDIA 0x0001 /* media command */
#define A_MEDIAOPTSET 0x0002 /* mediaopt command */
#define A_MEDIAOPTCLR 0x0004 /* -mediaopt command */
#define A_MEDIAOPT (A_MEDIAOPTSET|A_MEDIAOPTCLR)
#define A_MEDIAINST 0x0008 /* instance or inst command */
#define NEXTARG 0xffffff
#define NEXTARG2 0xfffffe
const struct cmd {
char *c_name;
int c_parameter; /* NEXTARG means next argv */
int c_action; /* defered action */
void (*c_func)(const char *, int);
void (*c_func2)(const char *, const char *);
} cmds[] = {
{ "up", IFF_UP, 0, setifflags } ,
{ "down", -IFF_UP, 0, setifflags },
{ "trailers", -1, 0, notrailers },
{ "-trailers", 1, 0, notrailers },
{ "arp", -IFF_NOARP, 0, setifflags },
{ "-arp", IFF_NOARP, 0, setifflags },
{ "debug", IFF_DEBUG, 0, setifflags },
{ "-debug", -IFF_DEBUG, 0, setifflags },
{ "alias", IFF_UP, 0, notealias },
{ "-alias", -IFF_UP, 0, notealias },
{ "delete", -IFF_UP, 0, notealias },
#ifdef notdef
#define EN_SWABIPS 0x1000
{ "swabips", EN_SWABIPS, 0, setifflags },
{ "-swabips", -EN_SWABIPS, 0, setifflags },
#endif
{ "netmask", NEXTARG, 0, setifnetmask },
{ "metric", NEXTARG, 0, setifmetric },
{ "mtu", NEXTARG, 0, setifmtu },
{ "nwid", NEXTARG, 0, setifnwid },
{ "nwkey", NEXTARG, 0, setifnwkey },
{ "-nwkey", -1, 0, setifnwkey },
{ "powersave", 1, 0, setifpowersave },
{ "-powersave", 0, 0, setifpowersave },
{ "powersavesleep", NEXTARG, 0, setifpowersavesleep },
{ "broadcast", NEXTARG, 0, setifbroadaddr },
{ "ipdst", NEXTARG, 0, setifipdst },
{ "prefixlen", NEXTARG, 0, setifprefixlen},
#ifdef INET6
{ "anycast", IN6_IFF_ANYCAST, 0, setia6flags },
{ "-anycast", -IN6_IFF_ANYCAST, 0, setia6flags },
{ "tentative", IN6_IFF_TENTATIVE, 0, setia6flags },
{ "-tentative", -IN6_IFF_TENTATIVE, 0, setia6flags },
{ "pltime", NEXTARG, 0, setia6pltime },
{ "vltime", NEXTARG, 0, setia6vltime },
{ "eui64", 0, 0, setia6eui64 },
#endif /*INET6*/
#ifndef INET_ONLY
{ "range", NEXTARG, 0, setatrange },
{ "phase", NEXTARG, 0, setatphase },
{ "snpaoffset", NEXTARG, 0, setsnpaoffset },
{ "nsellength", NEXTARG, 0, setnsellength },
{ "802.2", IPX_ETHERTYPE_8022, 0, setipxframetype },
{ "802.2tr", IPX_ETHERTYPE_8022TR, 0, setipxframetype },
{ "802.3", IPX_ETHERTYPE_8023, 0, setipxframetype },
{ "snap", IPX_ETHERTYPE_SNAP, 0, setipxframetype },
{ "EtherII", IPX_ETHERTYPE_II, 0, setipxframetype },
{ "vlan", NEXTARG, 0, setvlantag },
{ "vlandev", NEXTARG, 0, setvlandev },
{ "-vlandev", 1, 0, unsetvlandev },
{ "advbase", NEXTARG, 0, setcarp_advbase },
{ "advskew", NEXTARG, 0, setcarp_advskew },
{ "pass", NEXTARG, 0, setcarp_passwd },
{ "vhid", NEXTARG, 0, setcarp_vhid },
{ "state", NEXTARG, 0, setcarp_state },
{ "syncif", NEXTARG, 0, setpfsync_syncif },
{ "maxupd", NEXTARG, 0, setpfsync_maxupd },
{ "-syncif", 1, 0, unsetpfsync_syncif },
#endif /* INET_ONLY */
/* giftunnel is for backward compat */
{ "giftunnel", NEXTARG2, 0, NULL, settunnel } ,
{ "tunnel", NEXTARG2, 0, NULL, settunnel } ,
{ "deletetunnel", 0, 0, deletetunnel } ,
#if 0
/* XXX `create' special-cased below */
{ "create", 0, 0, clone_create } ,
#endif
{ "destroy", 0, 0, clone_destroy } ,
{ "link0", IFF_LINK0, 0, setifflags } ,
{ "-link0", -IFF_LINK0, 0, setifflags } ,
{ "link1", IFF_LINK1, 0, setifflags } ,
{ "-link1", -IFF_LINK1, 0, setifflags } ,
{ "link2", IFF_LINK2, 0, setifflags } ,
{ "-link2", -IFF_LINK2, 0, setifflags } ,
{ "media", NEXTARG, A_MEDIA, setmedia },
{ "mediaopt", NEXTARG, A_MEDIAOPTSET, setmediaopt },
{ "-mediaopt", NEXTARG, A_MEDIAOPTCLR, unsetmediaopt },
{ "instance", NEXTARG, A_MEDIAINST, setmediainst },
{ "inst", NEXTARG, A_MEDIAINST, setmediainst },
{ NULL, /*src*/ 0, 0, setifaddr },
{ NULL, /*dst*/ 0, 0, setifdstaddr },
{ NULL, /*illegal*/0, 0, NULL },
};
void adjust_nsellength(void);
int getinfo(struct ifreq *, int);
void getsock(int);
void printif(struct ifreq *, int);
void printb(char *, unsigned short, char *);
void status(int, struct sockaddr_dl *);
void usage(void);
const char *get_string(const char *, const char *, u_int8_t *, int *);
void print_string(const u_int8_t *, int);
char *sec2str(time_t);
void list_cloners(void);
const char *get_media_type_string(int);
const char *get_media_subtype_string(int);
int get_media_subtype(int, const char *);
int get_media_options(int, const char *);
int lookup_media_word(const struct ifmedia_description *, int,
const char *);
void print_media_word(int, int, int);
void process_media_commands(void);
void init_current_media(void);
/*
* XNS support liberally adapted from code written at the University of
* Maryland principally by James O'Toole and Chris Torek.
*/
void in_status(int);
void in_getaddr(const char *, int);
void in_getprefix(const char *, int);
#ifdef INET6
void in6_fillscopeid(struct sockaddr_in6 *sin6);
void in6_alias(struct in6_ifreq *);
void in6_status(int);
void in6_getaddr(const char *, int);
void in6_getprefix(const char *, int);
#endif
void at_status(int);
void at_getaddr(const char *, int);
void xns_status(int);
void xns_getaddr(const char *, int);
void ipx_status(int);
void ipx_getaddr(const char *, int);
void iso_status(int);
void iso_getaddr(const char *, int);
void ieee80211_status(void);
/* Known address families */
const struct afswtch {
char *af_name;
short af_af;
void (*af_status)(int);
void (*af_getaddr)(const char *, int);
void (*af_getprefix)(const char *, int);
u_long af_difaddr;
u_long af_aifaddr;
caddr_t af_ridreq;
caddr_t af_addreq;
} afs[] = {
#define C(x) ((caddr_t) &x)
{ "inet", AF_INET, in_status, in_getaddr, in_getprefix,
SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(in_addreq) },
#ifdef INET6
{ "inet6", AF_INET6, in6_status, in6_getaddr, in6_getprefix,
SIOCDIFADDR_IN6, SIOCAIFADDR_IN6, C(in6_ridreq), C(in6_addreq) },
#endif
#ifndef INET_ONLY /* small version, for boot media */
{ "atalk", AF_APPLETALK, at_status, at_getaddr, NULL,
SIOCDIFADDR, SIOCAIFADDR, C(addreq), C(addreq) },
{ "ns", AF_NS, xns_status, xns_getaddr, NULL,
SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) },
{ "ipx", AF_IPX, ipx_status, ipx_getaddr, NULL,
SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) },
{ "iso", AF_ISO, iso_status, iso_getaddr, NULL,
SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, C(iso_ridreq), C(iso_addreq) },
#endif /* INET_ONLY */
{ 0, 0, 0, 0 }
};
const struct afswtch *afp; /*the address family being set or asked about*/
int
main(int argc, char *argv[])
{
const struct afswtch *rafp = NULL;
int create = 0;
int aflag = 0;
int ifaliases = 0;
int Cflag = 0;
int i;
if (argc < 2)
usage();
argc--, argv++;
if (!strcmp(*argv, "-a"))
aflag = 1;
else if (!strcmp(*argv, "-A")) {
aflag = 1;
ifaliases = 1;
} else if (!strcmp(*argv, "-ma") || !strcmp(*argv, "-am")) {
aflag = 1;
mflag = 1;
} else if (!strcmp(*argv, "-mA") || !strcmp(*argv, "-Am")) {
aflag = 1;
ifaliases = 1;
mflag = 1;
} else if (!strcmp(*argv, "-m")) {
mflag = 1;
argc--, argv++;
if (argc < 1)
usage();
if (strlcpy(name, *argv, sizeof(name)) >= IFNAMSIZ)
errx(1, "interface name '%s' too long", *argv);
} else if (!strcmp(*argv, "-C")) {
Cflag = 1;
} else if (strlcpy(name, *argv, sizeof(name)) >= IFNAMSIZ)
errx(1, "interface name '%s' too long", *argv);
argc--, argv++;
if (argc > 0) {
for (afp = rafp = afs; rafp->af_name; rafp++)
if (strcmp(rafp->af_name, *argv) == 0) {
afp = rafp; argc--; argv++;
break;
}
rafp = afp;
af = ifr.ifr_addr.sa_family = rafp->af_af;
}
if (Cflag) {
if (argc > 0 || mflag || aflag)
usage();
list_cloners();
exit(0);
}
if (aflag) {
if (argc > 0)
usage();
printif(NULL, ifaliases);
exit(0);
}
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (argc == 0) {
printif(&ifr, 1);
exit(0);
}
#ifdef INET6
/* initialization */
in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME;
in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME;
#endif
/*
* NOTE: We must special-case the `create' command right
* here as we would otherwise fail in getinfo().
*/
if (argc > 0 && strcmp(argv[0], "create") == 0) {
clone_create(argv[0], 0);
argc--, argv++;
if (argc == 0)
exit(0);
}
create = (argc > 0) && strcmp(argv[0], "destroy") != 0;
if (getinfo(&ifr, create) < 0)
exit(1);
while (argc > 0) {
const struct cmd *p;
for (p = cmds; p->c_name; p++)
if (strcmp(*argv, p->c_name) == 0)
break;
if (p->c_name == 0 && setaddr)
for (i = setaddr; i > 0; i--) {
p++;
if (p->c_func == NULL && p->c_func2)
errx(1, "extra address not accepted");
}
if (p->c_func || p->c_func2) {
if (p->c_parameter == NEXTARG) {
if (argv[1] == NULL)
errx(1, "'%s' requires argument",
p->c_name);
(*p->c_func)(argv[1], 0);
argc--, argv++;
} else if (p->c_parameter == NEXTARG2) {
if ((argv[1] == NULL) ||
(argv[2] == NULL))
errx(1, "'%s' requires 2 arguments",
p->c_name);
(*p->c_func2)(argv[1], argv[2]);
argc -= 2;
argv += 2;
} else
(*p->c_func)(*argv, p->c_parameter);
actions |= p->c_action;
}
argc--, argv++;
}
/* Process any media commands that may have been issued. */
process_media_commands();
if (af == AF_INET6 && explicit_prefix == 0) {
/*
* Aggregatable address architecture defines all prefixes
* are 64. So, it is convenient to set prefixlen to 64 if
* it is not specified.
*/
setifprefixlen("64", 0);
/* in6_getprefix("64", MASK) if MASK is available here... */
}
#ifndef INET_ONLY
switch (af) {
case AF_ISO:
adjust_nsellength();
break;
case AF_NS:
if (setipdst) {
struct nsip_req rq;
int size = sizeof(rq);
rq.rq_ns = addreq.ifra_addr;
rq.rq_ip = addreq.ifra_dstaddr;
if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0)
warn("encapsulation routing");
}
break;
case AF_IPX:
if (setipdst) {
struct ipxip_req rq;
int size = sizeof(rq);
rq.rq_ipx = addreq.ifra_addr;
rq.rq_ip = addreq.ifra_dstaddr;
if (setsockopt(s, 0, SO_IPXIP_ROUTE, &rq, size) < 0)
warn("encapsulation routing");
}
break;
case AF_APPLETALK:
checkatrange((struct sockaddr_at *) &addreq.ifra_addr);
break;
}
#endif /* INET_ONLY */
if (clearaddr) {
int ret;
(void) strlcpy(rafp->af_ridreq, name, sizeof(ifr.ifr_name));
if ((ret = ioctl(s, rafp->af_difaddr, rafp->af_ridreq)) < 0) {
if (errno == EADDRNOTAVAIL && (doalias >= 0)) {
/* means no previous address for interface */
} else
err(1, "SIOCDIFADDR");
}
}
if (newaddr) {
(void) strlcpy(rafp->af_addreq, name, sizeof(ifr.ifr_name));
if (ioctl(s, rafp->af_aifaddr, rafp->af_addreq) < 0)
err(1, "SIOCAIFADDR");
}
exit(0);
}
void
getsock(int naf)
{
static int oaf = -1;
if (oaf == naf)
return;
if (oaf != -1)
close(s);
s = socket(naf, SOCK_DGRAM, 0);
if (s < 0)
oaf = -1;
else
oaf = naf;
}
int
getinfo(struct ifreq *ifr, int create)
{
getsock(af);
if (s < 0)
err(1, "socket");
if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) {
int oerrno = errno;
if (!create) {
warn("SIOCGIFFLAGS");
return (-1);
}
if (ioctl(s, SIOCIFCREATE, (caddr_t)ifr) < 0) {
errno = oerrno;
warn("SIOCGIFFLAGS");
return (-1);
}
if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) {
warn("SIOCGIFFLAGS");
return (-1);
}
}
flags = ifr->ifr_flags;
if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) {
warn("SIOCGIFMETRIC");
metric = 0;
} else
metric = ifr->ifr_metric;
if (ioctl(s, SIOCGIFMTU, (caddr_t)ifr) < 0)
mtu = 0;
else
mtu = ifr->ifr_mtu;
return (0);
}
void
printif(struct ifreq *ifrm, int ifaliases)
{
#ifdef HAVE_IFADDRS_H
struct ifaddrs *ifap, *ifa;
const char *namep;
char *oname = NULL;
struct ifreq *ifrp;
int nlen, count = 0, noinet = 1;
if (getifaddrs(&ifap) != 0)
err(1, "getifaddrs");
if (ifrm) {
oname = strdup(ifrm->ifr_name);
if (oname == NULL)
err(1, "strdup");
nlen = strlen(oname);
}
namep = NULL;
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (oname) {
if (isdigit(oname[nlen - 1])) {
/* must have exact match */
if (strcmp(oname, ifa->ifa_name) != 0)
continue;
} else {
/* partial match OK if it ends w/ digit */
if (strncmp(oname, ifa->ifa_name, nlen) != 0 ||
!isdigit(ifa->ifa_name[nlen]))
continue;
}
}
(void) strlcpy(name, ifa->ifa_name, sizeof(name));
#ifdef INET6
/* quickhack: sizeof(ifr) < sizeof(ifr6) */
if (ifa->ifa_addr->sa_family == AF_INET6) {
ifrp = (struct ifreq *)&ifr6;
memset(&ifr6, 0, sizeof(ifr6));
} else {
ifrp = 𝔦
memset(&ifr, 0, sizeof(ifr));
}
#else
ifrp = 𝔦
memset(&ifr, 0, sizeof(ifr));
#endif
strlcpy(ifrp->ifr_name, ifa->ifa_name, sizeof(ifrp->ifr_name));
/* XXX boundary check? */
memcpy(&ifrp->ifr_addr, ifa->ifa_addr, ifa->ifa_addr->sa_len);
if (ifa->ifa_addr->sa_family == AF_LINK) {
namep = ifa->ifa_name;
if (getinfo(ifrp, 0) < 0)
continue;
status(1, (struct sockaddr_dl *)ifa->ifa_addr);
count++;
noinet = 1;
continue;
}
if (!namep || !strcmp(namep, ifa->ifa_name)) {
const struct afswtch *p;
if (ifa->ifa_addr->sa_family == AF_INET &&
ifaliases == 0 && noinet == 0)
continue;
if ((p = afp) != NULL) {
if (ifa->ifa_addr->sa_family == p->af_af)
(*p->af_status)(1);
} else {
for (p = afs; p->af_name; p++) {
if (ifa->ifa_addr->sa_family == p->af_af)
(*p->af_status)(0);
}
}
count++;
if (ifa->ifa_addr->sa_family == AF_INET)
noinet = 0;
continue;
}
}
freeifaddrs(ifap);
if (oname != NULL)
free(oname);
if (count == 0) {
fprintf(stderr, "%s: no such interface\n", name);
exit(1);
}
#else
char *inbuf = NULL, *inb;
struct ifconf ifc;
struct ifreq ifreq, *ifrp;
int i, siz, len = 8192;
int count = 0, noinet = 1;
char ifrbuf[8192];
getsock(af);
if (s < 0)
err(1, "socket");
while (1) {
ifc.ifc_len = len;
inb = realloc(inbuf, len);
if (inb == NULL) {
if (inbuf)
free(inbuf)
err(1, "malloc");
}
ifc.ifc_buf = inbuf = inb;
if (ioctl(s, SIOCGIFCONF, &ifc) < 0)
err(1, "SIOCGIFCONF");
if (ifc.ifc_len + sizeof(ifreq) < len)
break;
len *= 2;
}
ifrp = ifc.ifc_req;
ifreq.ifr_name[0] = '\0';
for (i = 0; i < ifc.ifc_len; ) {
ifrp = (struct ifreq *)((caddr_t)ifc.ifc_req + i);
memcpy(ifrbuf, ifrp, sizeof(*ifrp));
siz = ((struct ifreq *)ifrbuf)->ifr_addr.sa_len;
if (siz < sizeof(ifrp->ifr_addr))
siz = sizeof(ifrp->ifr_addr);
siz += sizeof(ifrp->ifr_name);
i += siz;
/* avoid alignment issue */
if (sizeof(ifrbuf) < siz)
errx(1, "ifr too big");
memcpy(ifrbuf, ifrp, siz);
ifrp = (struct ifreq *)ifrbuf;
if (ifrm && strncmp(ifrm->ifr_name, ifrp->ifr_name,
sizeof(ifrp->ifr_name)))
continue;
(void) strlcpy(name, ifrp->ifr_name, sizeof(name));
if (ifrp->ifr_addr.sa_family == AF_LINK) {
ifreq = ifr = *ifrp;
if (getinfo(&ifreq, 0) < 0)
continue;
status(1, NULL);
count++;
noinet = 1;
continue;
}
if (!strncmp(ifreq.ifr_name, ifrp->ifr_name,
sizeof(ifrp->ifr_name))) {
const struct afswtch *p;
if (ifrp->ifr_addr.sa_family == AF_INET &&
ifaliases == 0 && noinet == 0)
continue;
ifr = *ifrp;
#ifdef INET6
/* quickhack: sizeof(ifr) < sizeof(ifr6) */
if (ifrp->ifr_addr.sa_family == AF_INET6)
bcopy(ifrp, &ifr6, sizeof(ifr6));
#endif
if ((p = afp) != NULL) {
if (ifr.ifr_addr.sa_family == p->af_af)
(*p->af_status)(1);
} else {
for (p = afs; p->af_name; p++) {
if (ifr.ifr_addr.sa_family == p->af_af)
(*p->af_status)(0);
}
}
count++;
if (ifrp->ifr_addr.sa_family == AF_INET)
noinet = 0;
continue;
}
}
free(inbuf);
if (count == 0) {
fprintf(stderr, "%s: no such interface\n", name);
exit(1);
}
#endif
}
/*ARGSUSED*/
void
clone_create(const char *addr, int param)
{
/* We're called early... */
getsock(AF_INET);
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (ioctl(s, SIOCIFCREATE, &ifr) == -1)
err(1, "SIOCIFCREATE");
}
/*ARGSUSED*/
void
clone_destroy(const char *addr, int param)
{
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (ioctl(s, SIOCIFDESTROY, &ifr) == -1)
err(1, "SIOCIFDESTROY");
}
void
list_cloners(void)
{
struct if_clonereq ifcr;
char *cp, *buf;
int idx;
memset(&ifcr, 0, sizeof(ifcr));
getsock(AF_INET);
if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1)
err(1, "SIOCIFGCLONERS for count");
buf = malloc(ifcr.ifcr_total * IFNAMSIZ);
if (buf == NULL)
err(1, "unable to allocate cloner name buffer");
ifcr.ifcr_count = ifcr.ifcr_total;
ifcr.ifcr_buffer = buf;
if (ioctl(s, SIOCIFGCLONERS, &ifcr) == -1)
err(1, "SIOCIFGCLONERS for names");
/*
* In case some disappeared in the mean time, clamp it down.
*/
if (ifcr.ifcr_count > ifcr.ifcr_total)
ifcr.ifcr_count = ifcr.ifcr_total;
for (cp = buf, idx = 0; idx < ifcr.ifcr_count; idx++, cp += IFNAMSIZ) {
if (idx > 0)
putchar(' ');
printf("%s", cp);
}
putchar('\n');
free(buf);
}
#define RIDADDR 0
#define ADDR 1
#define MASK 2
#define DSTADDR 3
/*ARGSUSED*/
void
setifaddr(const char *addr, int param)
{
/*
* Delay the ioctl to set the interface addr until flags are all set.
* The address interpretation may depend on the flags,
* and the flags may change when the address is set.
*/
setaddr++;
newaddr = 1;
if (doalias == 0)
clearaddr = 1;
(*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR));
}
void
settunnel(const char *src, const char *dst)
{
struct addrinfo hints, *srcres, *dstres;
int ecode;
struct if_laddrreq req;
memset(&hints, 0, sizeof(hints));
hints.ai_family = afp->af_af;
hints.ai_socktype = SOCK_DGRAM; /*dummy*/
if ((ecode = getaddrinfo(src, NULL, &hints, &srcres)) != 0)
errx(1, "error in parsing address string: %s",
gai_strerror(ecode));
if ((ecode = getaddrinfo(dst, NULL, &hints, &dstres)) != 0)
errx(1, "error in parsing address string: %s",
gai_strerror(ecode));
if (srcres->ai_addr->sa_family != dstres->ai_addr->sa_family)
errx(1,
"source and destination address families do not match");
if (srcres->ai_addrlen > sizeof(req.addr) ||
dstres->ai_addrlen > sizeof(req.dstaddr))
errx(1, "invalid sockaddr");
memset(&req, 0, sizeof(req));
(void) strlcpy(req.iflr_name, name, sizeof(req.iflr_name));
memcpy(&req.addr, srcres->ai_addr, srcres->ai_addrlen);
memcpy(&req.dstaddr, dstres->ai_addr, dstres->ai_addrlen);
if (ioctl(s, SIOCSLIFPHYADDR, &req) < 0)
warn("SIOCSLIFPHYADDR");
freeaddrinfo(srcres);
freeaddrinfo(dstres);
}
void
deletetunnel(const char *ignored, int alsoignored)
{
if (ioctl(s, SIOCDIFPHYADDR, &ifr) < 0)
warn("SIOCDIFPHYADDR");
}
void
setifnetmask(const char *addr, int ignored)
{
(*afp->af_getaddr)(addr, MASK);
}
void
setifbroadaddr(const char *addr, int ignored)
{
(*afp->af_getaddr)(addr, DSTADDR);
}
void
setifipdst(const char *addr, int ignored)
{
in_getaddr(addr, DSTADDR);
setipdst++;
clearaddr = 0;
newaddr = 0;
}
#define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr))
/*ARGSUSED*/
void
notealias(const char *addr, int param)
{
if (setaddr && doalias == 0 && param < 0)
memcpy(rqtosa(af_ridreq), rqtosa(af_addreq),
rqtosa(af_addreq)->sa_len);
doalias = param;
if (param < 0) {
clearaddr = 1;
newaddr = 0;
} else
clearaddr = 0;
}
/*ARGSUSED*/
void
notrailers(const char *vname, int value)
{
printf("Note: trailers are no longer sent, but always received\n");
}
/*ARGSUSED*/
void
setifdstaddr(const char *addr, int param)
{
setaddr++;
(*afp->af_getaddr)(addr, DSTADDR);
}
/*
* Note: doing an SIOCIGIFFLAGS scribbles on the union portion
* of the ifreq structure, which may confuse other parts of ifconfig.
* Make a private copy so we can avoid that.
*/
void
setifflags(const char *vname, int value)
{
struct ifreq my_ifr;
bcopy((char *)&ifr, (char *)&my_ifr, sizeof(struct ifreq));
if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&my_ifr) < 0)
err(1, "SIOCGIFFLAGS");
(void) strlcpy(my_ifr.ifr_name, name, sizeof(my_ifr.ifr_name));
flags = my_ifr.ifr_flags;
if (value < 0) {
value = -value;
flags &= ~value;
} else
flags |= value;
my_ifr.ifr_flags = flags;
if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&my_ifr) < 0)
err(1, "SIOCSIFFLAGS");
}
#ifdef INET6
void
setia6flags(const char *vname, int value)
{
if (value < 0) {
value = -value;
in6_addreq.ifra_flags &= ~value;
} else
in6_addreq.ifra_flags |= value;
}
void
setia6pltime(const char *val, int d)
{
setia6lifetime("pltime", val);
}
void
setia6vltime(const char *val, int d)
{
setia6lifetime("vltime", val);
}
void
setia6lifetime(const char *cmd, const char *val)
{
time_t newval, t;
char *ep;
t = time(NULL);
newval = (time_t)strtoul(val, &ep, 0);
if (val == ep)
errx(1, "invalid %s", cmd);
if (afp->af_af != AF_INET6)
errx(1, "%s not allowed for the AF", cmd);
if (strcmp(cmd, "vltime") == 0) {
in6_addreq.ifra_lifetime.ia6t_expire = t + newval;
in6_addreq.ifra_lifetime.ia6t_vltime = newval;
} else if (strcmp(cmd, "pltime") == 0) {
in6_addreq.ifra_lifetime.ia6t_preferred = t + newval;
in6_addreq.ifra_lifetime.ia6t_pltime = newval;
}
}
void
setia6eui64(const char *cmd, int val)
{
struct ifaddrs *ifap, *ifa;
const struct sockaddr_in6 *sin6 = NULL;
const struct in6_addr *lladdr = NULL;
struct in6_addr *in6;
if (afp->af_af != AF_INET6)
errx(1, "%s not allowed for the AF", cmd);
in6 = (struct in6_addr *)&in6_addreq.ifra_addr.sin6_addr;
if (memcmp(&in6addr_any.s6_addr[8], &in6->s6_addr[8], 8) != 0)
errx(1, "interface index is already filled");
if (getifaddrs(&ifap) != 0)
err(1, "getifaddrs");
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
if (ifa->ifa_addr->sa_family == AF_INET6 &&
strcmp(ifa->ifa_name, name) == 0) {
sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr;
if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
lladdr = &sin6->sin6_addr;
break;
}
}
}
if (!lladdr)
errx(1, "could not determine link local address");
memcpy(&in6->s6_addr[8], &lladdr->s6_addr[8], 8);
freeifaddrs(ifap);
}
#endif
void
setifmetric(const char *val, int ignored)
{
char *ep = NULL;
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
ifr.ifr_metric = strtoul(val, &ep, 10);
if (!ep || *ep)
errx(1, "%s: invalid metric", val);
if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0)
warn("SIOCSIFMETRIC");
}
void
setifmtu(const char *val, int d)
{
char *ep = NULL;
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
ifr.ifr_mtu = strtoul(val, &ep, 10);
if (!ep || *ep)
errx(1, "%s: invalid mtu", val);
if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0)
warn("SIOCSIFMTU");
}
const char *
get_string(const char *val, const char *sep, u_int8_t *buf, int *lenp)
{
int len;
int hexstr;
u_int8_t *p;
len = *lenp;
p = buf;
hexstr = (val[0] == '0' && tolower((u_char)val[1]) == 'x');
if (hexstr)
val += 2;
for (;;) {
if (*val == '\0')
break;
if (sep != NULL && strchr(sep, *val) != NULL) {
val++;
break;
}
if (hexstr) {
if (!isxdigit((u_char)val[0]) ||
!isxdigit((u_char)val[1])) {
warnx("bad hexadecimal digits");
return NULL;
}
}
if (p > buf + len) {
if (hexstr)
warnx("hexadecimal digits too long");
else
warnx("strings too long");
return NULL;
}
if (hexstr) {
#define tohex(x) (isdigit(x) ? (x) - '0' : tolower(x) - 'a' + 10)
*p++ = (tohex((u_char)val[0]) << 4) |
tohex((u_char)val[1]);
#undef tohex
val += 2;
} else {
if (*val == '\\' &&
sep != NULL && strchr(sep, *(val + 1)) != NULL)
val++;
*p++ = *val++;
}
}
len = p - buf;
if (len < *lenp)
memset(p, 0, *lenp - len);
*lenp = len;
return val;
}
void
print_string(const u_int8_t *buf, int len)
{
int i;
int hasspc;
i = 0;
hasspc = 0;
if (len < 2 || buf[0] != '0' || tolower(buf[1]) != 'x') {
for (; i < len; i++) {
/* Only print 7-bit ASCII keys */
if (buf[i] & 0x80 || !isprint(buf[i]))
break;
if (isspace(buf[i]))
hasspc++;
}
}
if (i == len) {
if (hasspc || len == 0)
printf("\"%.*s\"", len, buf);
else
printf("%.*s", len, buf);
} else {
printf("0x");
for (i = 0; i < len; i++)
printf("%02x", buf[i]);
}
}
void
setifnwid(const char *val, int d)
{
struct ieee80211_nwid nwid;
int len;
len = sizeof(nwid.i_nwid);
if (get_string(val, NULL, nwid.i_nwid, &len) == NULL)
return;
nwid.i_len = len;
(void)strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
ifr.ifr_data = (caddr_t)&nwid;
if (ioctl(s, SIOCS80211NWID, (caddr_t)&ifr) < 0)
warn("SIOCS80211NWID");
}
void
setifnwkey(const char *val, int d)
{
int i, len;
char *cp = NULL;
struct ieee80211_nwkey nwkey;
u_int8_t keybuf[IEEE80211_WEP_NKID][16];
nwkey.i_wepon = IEEE80211_NWKEY_WEP;
nwkey.i_defkid = 1;
if (d == -1) {
/* disable WEP encryption */
nwkey.i_wepon = 0;
i = 0;
} else if (strcasecmp("persist", val) == 0) {
/* use all values from persistent memory */
nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST;
nwkey.i_defkid = 0;
for (i = 0; i < IEEE80211_WEP_NKID; i++)
nwkey.i_key[i].i_keylen = -1;
} else if (strncasecmp("persist:", val, 8) == 0) {
val += 8;
/* program keys in persistent memory */
nwkey.i_wepon |= IEEE80211_NWKEY_PERSIST;
goto set_nwkey;
} else {
set_nwkey:
if (isdigit(val[0]) && val[1] == ':') {
/* specifying a full set of four keys */
nwkey.i_defkid = val[0] - '0';
val += 2;
for (i = 0; i < IEEE80211_WEP_NKID; i++) {
len = sizeof(keybuf[i]);
val = get_string(val, ",", keybuf[i], &len);
if (val == NULL)
return;
nwkey.i_key[i].i_keylen = len;
nwkey.i_key[i].i_keydat = keybuf[i];
}
if (cp != NULL) {
warnx("SIOCS80211NWKEY: too many keys.");
return;
}
} else {
len = sizeof(keybuf[i]);
val = get_string(val, NULL, keybuf[0], &len);
if (val == NULL)
return;
nwkey.i_key[0].i_keylen = len;
nwkey.i_key[0].i_keydat = keybuf[0];
i = 1;
}
}
/* zero out any unset keys */
for (; i < IEEE80211_WEP_NKID; i++) {
nwkey.i_key[i].i_keylen = 0;
nwkey.i_key[i].i_keydat = NULL;
}
(void)strlcpy(nwkey.i_name, name, sizeof(nwkey.i_name));
if (ioctl(s, SIOCS80211NWKEY, (caddr_t)&nwkey) == -1)
warn("SIOCS80211NWKEY");
}
void
setifpowersave(const char *val, int d)
{
struct ieee80211_power power;
(void)strlcpy(power.i_name, name, sizeof(power.i_name));
if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) {
warn("SIOCG80211POWER");
return;
}
power.i_enabled = d;
if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1)
warn("SIOCS80211POWER");
}
void
setifpowersavesleep(const char *val, int d)
{
struct ieee80211_power power;
(void)strlcpy(power.i_name, name, sizeof(power.i_name));
if (ioctl(s, SIOCG80211POWER, (caddr_t)&power) == -1) {
warn("SIOCG80211POWER");
return;
}
power.i_maxsleep = atoi(val);
if (ioctl(s, SIOCS80211POWER, (caddr_t)&power) == -1)
warn("SIOCS80211POWER");
}
void
ieee80211_status(void)
{
int len, i, nwkey_verbose;
struct ieee80211_nwid nwid;
struct ieee80211_nwkey nwkey;
struct ieee80211_power power;
u_int8_t keybuf[IEEE80211_WEP_NKID][16];
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_data = (caddr_t)&nwid;
(void)strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (ioctl(s, SIOCG80211NWID, (caddr_t)&ifr) == 0) {
/* nwid.i_nwid is not NUL terminated. */
len = nwid.i_len;
if (len > IEEE80211_NWID_LEN)
len = IEEE80211_NWID_LEN;
fputs("\tnwid ", stdout);
print_string(nwid.i_nwid, nwid.i_len);
putchar('\n');
}
memset(&nwkey, 0, sizeof(nwkey));
(void)strlcpy(nwkey.i_name, name, sizeof(nwkey.i_name));
if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == 0 &&
nwkey.i_wepon > 0) {
fputs("\tnwkey ", stdout);
/* try to retrieve WEP keys */
for (i = 0; i < IEEE80211_WEP_NKID; i++) {
nwkey.i_key[i].i_keydat = keybuf[i];
nwkey.i_key[i].i_keylen = sizeof(keybuf[i]);
}
if (ioctl(s, SIOCG80211NWKEY, (caddr_t)&nwkey) == -1) {
puts("<not displayed>");
} else {
nwkey_verbose = 0;
/* check to see non default key or multiple keys defined */
if (nwkey.i_defkid != 1) {
nwkey_verbose = 1;
} else {
for (i = 1; i < IEEE80211_WEP_NKID; i++) {
if (nwkey.i_key[i].i_keylen != 0) {
nwkey_verbose = 1;
break;
}
}
}
/* check extra ambiguity with keywords */
if (!nwkey_verbose) {
if (nwkey.i_key[0].i_keylen >= 2 &&
isdigit(nwkey.i_key[0].i_keydat[0]) &&
nwkey.i_key[0].i_keydat[1] == ':')
nwkey_verbose = 1;
else if (nwkey.i_key[0].i_keylen >= 7 &&
strncasecmp("persist",
nwkey.i_key[0].i_keydat, 7) == 0)
nwkey_verbose = 1;
}
if (nwkey_verbose)
printf("%d:", nwkey.i_defkid);
for (i = 0; i < IEEE80211_WEP_NKID; i++) {
if (i > 0)
putchar(',');
if (nwkey.i_key[i].i_keylen < 0) {
fputs("persist", stdout);
} else {
/* XXX - sanity check nwkey.i_key[i].i_keylen */
print_string(nwkey.i_key[i].i_keydat,
nwkey.i_key[i].i_keylen);
}
if (!nwkey_verbose)
break;
}
putchar('\n');
}
}
memset(&power, 0, sizeof(power));
(void)strlcpy(power.i_name, name, sizeof(power.i_name));
if (ioctl(s, SIOCG80211POWER, &power) == 0) {
fputs("\tpowersave ", stdout);
if (power.i_enabled)
printf("on (%dms sleep)\n", power.i_maxsleep);
else
puts("off");
}
}
void
init_current_media(void)
{
struct ifmediareq ifmr;
/*
* If we have not yet done so, grab the currently-selected
* media.
*/
if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) {
(void) memset(&ifmr, 0, sizeof(ifmr));
(void) strlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) {
/*
* If we get E2BIG, the kernel is telling us
* that there are more, so we can ignore it.
*/
if (errno != E2BIG)
err(1, "SGIOCGIFMEDIA");
}
media_current = ifmr.ifm_current;
}
/* Sanity. */
if (IFM_TYPE(media_current) == 0)
errx(1, "%s: no link type?", name);
}
void
process_media_commands(void)
{
if ((actions & (A_MEDIA|A_MEDIAOPT)) == 0) {
/* Nothing to do. */
return;
}
/*
* Media already set up, and commands sanity-checked. Set/clear
* any options, and we're ready to go.
*/
media_current |= mediaopt_set;
media_current &= ~mediaopt_clear;
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
ifr.ifr_media = media_current;
if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0)
err(1, "SIOCSIFMEDIA");
}
void
setmedia(const char *val, int d)
{
int type, subtype, inst;
init_current_media();
/* Only one media command may be given. */
if (actions & A_MEDIA)
errx(1, "only one `media' command may be issued");
/* Must not come after mediaopt commands */
if (actions & A_MEDIAOPT)
errx(1, "may not issue `media' after `mediaopt' commands");
/*
* No need to check if `instance' has been issued; setmediainst()
* craps out if `media' has not been specified.
*/
type = IFM_TYPE(media_current);
inst = IFM_INST(media_current);
/* Look up the subtype. */
subtype = get_media_subtype(type, val);
/* Build the new current media word. */
media_current = IFM_MAKEWORD(type, subtype, 0, inst);
/* Media will be set after other processing is complete. */
}
void
setmediaopt(const char *val, int d)
{
init_current_media();
/* Can only issue `mediaopt' once. */
if (actions & A_MEDIAOPTSET)
errx(1, "only one `mediaopt' command may be issued");
/* Can't issue `mediaopt' if `instance' has already been issued. */
if (actions & A_MEDIAINST)
errx(1, "may not issue `mediaopt' after `instance'");
mediaopt_set = get_media_options(IFM_TYPE(media_current), val);
/* Media will be set after other processing is complete. */
}
void
unsetmediaopt(const char *val, int d)
{
init_current_media();
/* Can only issue `-mediaopt' once. */
if (actions & A_MEDIAOPTCLR)
errx(1, "only one `-mediaopt' command may be issued");
/* May not issue `media' and `-mediaopt'. */
if (actions & A_MEDIA)
errx(1, "may not issue both `media' and `-mediaopt'");
/*
* No need to check for A_MEDIAINST, since the test for A_MEDIA
* implicitly checks for A_MEDIAINST.
*/
mediaopt_clear = get_media_options(IFM_TYPE(media_current), val);
/* Media will be set after other processing is complete. */
}
void
setmediainst(const char *val, int d)
{
int type, subtype, options, inst;
init_current_media();
/* Can only issue `instance' once. */
if (actions & A_MEDIAINST)
errx(1, "only one `instance' command may be issued");
/* Must have already specified `media' */
if ((actions & A_MEDIA) == 0)
errx(1, "must specify `media' before `instance'");
type = IFM_TYPE(media_current);
subtype = IFM_SUBTYPE(media_current);
options = IFM_OPTIONS(media_current);
inst = atoi(val);
if (inst < 0 || inst > IFM_INST_MAX)
errx(1, "invalid media instance: %s", val);
media_current = IFM_MAKEWORD(type, subtype, options, inst);
/* Media will be set after other processing is complete. */
}
const struct ifmedia_description ifm_type_descriptions[] =
IFM_TYPE_DESCRIPTIONS;
const struct ifmedia_description ifm_subtype_descriptions[] =
IFM_SUBTYPE_DESCRIPTIONS;
const struct ifmedia_description ifm_option_descriptions[] =
IFM_OPTION_DESCRIPTIONS;
const char *
get_media_type_string(int mword)
{
const struct ifmedia_description *desc;
for (desc = ifm_type_descriptions; desc->ifmt_string != NULL;
desc++) {
if (IFM_TYPE(mword) == desc->ifmt_word)
return (desc->ifmt_string);
}
return ("<unknown type>");
}
const char *
get_media_subtype_string(int mword)
{
const struct ifmedia_description *desc;
for (desc = ifm_subtype_descriptions; desc->ifmt_string != NULL;
desc++) {
if (IFM_TYPE_MATCH(desc->ifmt_word, mword) &&
IFM_SUBTYPE(desc->ifmt_word) == IFM_SUBTYPE(mword))
return (desc->ifmt_string);
}
return ("<unknown subtype>");
}
int
get_media_subtype(int type, const char *val)
{
int rval;
rval = lookup_media_word(ifm_subtype_descriptions, type, val);
if (rval == -1)
errx(1, "unknown %s media subtype: %s",
get_media_type_string(type), val);
return (rval);
}
int
get_media_options(int type, const char *val)
{
char *optlist, *str;
int option, rval = 0;
/* We muck with the string, so copy it. */
optlist = strdup(val);
if (optlist == NULL)
err(1, "strdup");
str = optlist;
/*
* Look up the options in the user-provided comma-separated list.
*/
for (; (str = strtok(str, ",")) != NULL; str = NULL) {
option = lookup_media_word(ifm_option_descriptions, type, str);
if (option == -1)
errx(1, "unknown %s media option: %s",
get_media_type_string(type), str);
rval |= IFM_OPTIONS(option);
}
free(optlist);
return (rval);
}
int
lookup_media_word(const struct ifmedia_description *desc, int type,
const char *val)
{
for (; desc->ifmt_string != NULL; desc++) {
if (IFM_TYPE_MATCH(desc->ifmt_word, type) &&
strcasecmp(desc->ifmt_string, val) == 0)
return (desc->ifmt_word);
}
return (-1);
}
void
print_media_word(int ifmw, int print_type, int as_syntax)
{
const struct ifmedia_description *desc;
int seen_option = 0;
if (print_type)
printf("%s ", get_media_type_string(ifmw));
printf("%s%s", as_syntax ? "media " : "",
get_media_subtype_string(ifmw));
/* Find options. */
for (desc = ifm_option_descriptions; desc->ifmt_string != NULL;
desc++) {
if (IFM_TYPE_MATCH(desc->ifmt_word, ifmw) &&
(IFM_OPTIONS(ifmw) & IFM_OPTIONS(desc->ifmt_word)) != 0 &&
(seen_option & IFM_OPTIONS(desc->ifmt_word)) == 0) {
if (seen_option == 0)
printf(" %s", as_syntax ? "mediaopt " : "");
printf("%s%s", seen_option ? "," : "",
desc->ifmt_string);
seen_option |= IFM_OPTIONS(desc->ifmt_word);
}
}
if (IFM_INST(ifmw) != 0)
printf(" instance %d", IFM_INST(ifmw));
}
#define IFFBITS \
"\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\
\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST"
static void
phys_status(int force)
{
char psrcaddr[NI_MAXHOST];
char pdstaddr[NI_MAXHOST];
const char *ver = "";
#ifdef NI_WITHSCOPEID
const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID;
#else
const int niflag = NI_NUMERICHOST;
#endif
struct if_laddrreq req;
psrcaddr[0] = pdstaddr[0] = '\0';
memset(&req, 0, sizeof(req));
(void) strlcpy(req.iflr_name, name, sizeof(req.iflr_name));
if (ioctl(s, SIOCGLIFPHYADDR, (caddr_t)&req) < 0)
return;
#ifdef INET6
if (req.addr.ss_family == AF_INET6)
in6_fillscopeid((struct sockaddr_in6 *)&req.addr);
#endif
getnameinfo((struct sockaddr *)&req.addr, req.addr.ss_len,
psrcaddr, sizeof(psrcaddr), 0, 0, niflag);
#ifdef INET6
if (req.addr.ss_family == AF_INET6)
ver = "6";
#endif
#ifdef INET6
if (req.dstaddr.ss_family == AF_INET6)
in6_fillscopeid((struct sockaddr_in6 *)&req.dstaddr);
#endif
getnameinfo((struct sockaddr *)&req.dstaddr, req.dstaddr.ss_len,
pdstaddr, sizeof(pdstaddr), 0, 0, niflag);
printf("\tphysical address inet%s %s --> %s\n", ver,
psrcaddr, pdstaddr);
}
const int ifm_status_valid_list[] = IFM_STATUS_VALID_LIST;
const struct ifmedia_status_description ifm_status_descriptions[] =
IFM_STATUS_DESCRIPTIONS;
/*
* Print the status of the interface. If an address family was
* specified, show it and it only; otherwise, show them all.
*/
void
status(int link, struct sockaddr_dl *sdl)
{
const struct afswtch *p = afp;
struct ifmediareq ifmr;
int *media_list, i;
printf("%s: ", name);
printb("flags", flags, IFFBITS);
if (metric)
printf(" metric %lu", metric);
if (mtu)
printf(" mtu %lu", mtu);
putchar('\n');
if (sdl != NULL && sdl->sdl_type == IFT_ETHER && sdl->sdl_alen)
(void)printf("\taddress: %s\n", ether_ntoa(
(struct ether_addr *)LLADDR(sdl)));
#ifndef INET_ONLY
vlan_status();
carp_status();
pfsync_status();
#endif
ieee80211_status();
(void) memset(&ifmr, 0, sizeof(ifmr));
(void) strlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) {
/*
* Interface doesn't support SIOC{G,S}IFMEDIA.
*/
goto proto_status;
}
if (ifmr.ifm_count == 0) {
warnx("%s: no media types?", name);
goto proto_status;
}
media_list = (int *)malloc(ifmr.ifm_count * sizeof(int));
if (media_list == NULL)
err(1, "malloc");
ifmr.ifm_ulist = media_list;
if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0)
err(1, "SIOCGIFMEDIA");
printf("\tmedia: ");
print_media_word(ifmr.ifm_current, 1, 0);
if (ifmr.ifm_active != ifmr.ifm_current) {
putchar(' ');
putchar('(');
print_media_word(ifmr.ifm_active, 0, 0);
putchar(')');
}
putchar('\n');
if (ifmr.ifm_status & IFM_AVALID) {
const struct ifmedia_status_description *ifms;
int bitno, found = 0;
printf("\tstatus: ");
for (bitno = 0; ifm_status_valid_list[bitno] != 0; bitno++) {
for (ifms = ifm_status_descriptions;
ifms->ifms_valid != 0; ifms++) {
if (ifms->ifms_type !=
IFM_TYPE(ifmr.ifm_current) ||
ifms->ifms_valid !=
ifm_status_valid_list[bitno])
continue;
printf("%s%s", found ? ", " : "",
IFM_STATUS_DESC(ifms, ifmr.ifm_status));
found = 1;
/*
* For each valid indicator bit, there's
* only one entry for each media type, so
* terminate the inner loop now.
*/
break;
}
}
if (found == 0)
printf("unknown");
putchar('\n');
}
if (mflag) {
int type, printed_type = 0;
for (type = IFM_NMIN; type <= IFM_NMAX; type += IFM_NMIN) {
for (i = 0, printed_type = 0; i < ifmr.ifm_count; i++) {
if (IFM_TYPE(media_list[i]) == type) {
if (printed_type == 0) {
printf("\tsupported media:\n");
printed_type = 1;
}
printf("\t\t");
print_media_word(media_list[i], 0, 1);
printf("\n");
}
}
}
}
free(media_list);
proto_status:
if (link == 0) {
if ((p = afp) != NULL) {
(*p->af_status)(1);
} else for (p = afs; p->af_name; p++) {
ifr.ifr_addr.sa_family = p->af_af;
(*p->af_status)(0);
}
}
phys_status(0);
}
void
in_status(int force)
{
struct sockaddr_in *sin, sin2;
getsock(AF_INET);
if (s < 0) {
if (errno == EPROTONOSUPPORT)
return;
err(1, "socket");
}
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
sin = (struct sockaddr_in *)&ifr.ifr_addr;
/*
* We keep the interface address and reset it before each
* ioctl() so we can get ifaliases information (as opposed
* to the primary interface netmask/dstaddr/broadaddr, if
* the ifr_addr field is zero).
*/
memcpy(&sin2, &ifr.ifr_addr, sizeof(sin2));
printf("\tinet %s ", inet_ntoa(sin->sin_addr));
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (ioctl(s, SIOCGIFNETMASK, (caddr_t)&ifr) < 0) {
if (errno != EADDRNOTAVAIL)
warn("SIOCGIFNETMASK");
memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr));
} else
netmask.sin_addr =
((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr;
if (flags & IFF_POINTOPOINT) {
memcpy(&ifr.ifr_addr, &sin2, sizeof(sin2));
if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) {
if (errno == EADDRNOTAVAIL)
memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr));
else
warn("SIOCGIFDSTADDR");
}
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
sin = (struct sockaddr_in *)&ifr.ifr_dstaddr;
printf("--> %s ", inet_ntoa(sin->sin_addr));
}
printf("netmask 0x%x ", ntohl(netmask.sin_addr.s_addr));
if (flags & IFF_BROADCAST) {
memcpy(&ifr.ifr_addr, &sin2, sizeof(sin2));
if (ioctl(s, SIOCGIFBRDADDR, (caddr_t)&ifr) < 0) {
if (errno == EADDRNOTAVAIL)
memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr));
else
warn("SIOCGIFBRDADDR");
}
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
sin = (struct sockaddr_in *)&ifr.ifr_addr;
if (sin->sin_addr.s_addr != 0)
printf("broadcast %s", inet_ntoa(sin->sin_addr));
}
putchar('\n');
}
void
setifprefixlen(const char *addr, int d)
{
if (*afp->af_getprefix)
(*afp->af_getprefix)(addr, MASK);
explicit_prefix = 1;
}
#ifdef INET6
void
in6_fillscopeid(struct sockaddr_in6 *sin6)
{
#if defined(__KAME__) && defined(KAME_SCOPEID)
if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
sin6->sin6_scope_id =
ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]);
sin6->sin6_addr.s6_addr[2] = sin6->sin6_addr.s6_addr[3] = 0;
}
#endif
}
/* XXX not really an alias */
void
in6_alias(struct in6_ifreq *creq)
{
struct sockaddr_in6 *sin6;
struct in6_ifreq ifr6; /* shadows file static variable */
u_int32_t scopeid;
char hbuf[NI_MAXHOST];
#ifdef NI_WITHSCOPEID
const int niflag = NI_NUMERICHOST | NI_WITHSCOPEID;
#else
const int niflag = NI_NUMERICHOST;
#endif
/* Get the non-alias address for this interface. */
getsock(AF_INET6);
if (s < 0) {
if (errno == EPROTONOSUPPORT)
return;
err(1, "socket");
}
sin6 = (struct sockaddr_in6 *)&creq->ifr_addr;
in6_fillscopeid(sin6);
scopeid = sin6->sin6_scope_id;
if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len,
hbuf, sizeof(hbuf), NULL, 0, niflag) != 0)
strlcpy(hbuf, "", sizeof hbuf);
printf("\tinet6 %s", hbuf);
if (flags & IFF_POINTOPOINT) {
(void) memset(&ifr6, 0, sizeof(ifr6));
(void) strlcpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name));
ifr6.ifr_addr = creq->ifr_addr;
if (ioctl(s, SIOCGIFDSTADDR_IN6, (caddr_t)&ifr6) < 0) {
if (errno != EADDRNOTAVAIL)
warn("SIOCGIFDSTADDR_IN6");
(void) memset(&ifr6.ifr_addr, 0, sizeof(ifr6.ifr_addr));
ifr6.ifr_addr.sin6_family = AF_INET6;
ifr6.ifr_addr.sin6_len = sizeof(struct sockaddr_in6);
}
sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr;
in6_fillscopeid(sin6);
if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len,
hbuf, sizeof(hbuf), NULL, 0, niflag) != 0)
strlcpy(hbuf, "", sizeof hbuf);
printf(" -> %s", hbuf);
}
(void) memset(&ifr6, 0, sizeof(ifr6));
(void) strlcpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name));
ifr6.ifr_addr = creq->ifr_addr;
if (ioctl(s, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) {
if (errno != EADDRNOTAVAIL)
warn("SIOCGIFNETMASK_IN6");
} else {
sin6 = (struct sockaddr_in6 *)&ifr6.ifr_addr;
printf(" prefixlen %d", prefix(&sin6->sin6_addr,
sizeof(struct in6_addr)));
}
(void) memset(&ifr6, 0, sizeof(ifr6));
(void) strlcpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name));
ifr6.ifr_addr = creq->ifr_addr;
if (ioctl(s, SIOCGIFAFLAG_IN6, (caddr_t)&ifr6) < 0) {
if (errno != EADDRNOTAVAIL)
warn("SIOCGIFAFLAG_IN6");
} else {
if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_ANYCAST)
printf(" anycast");
if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_TENTATIVE)
printf(" tentative");
if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DUPLICATED)
printf(" duplicated");
if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DETACHED)
printf(" detached");
if (ifr6.ifr_ifru.ifru_flags6 & IN6_IFF_DEPRECATED)
printf(" deprecated");
}
if (scopeid)
printf(" scopeid 0x%x", scopeid);
if (Lflag) {
struct in6_addrlifetime *lifetime;
(void) memset(&ifr6, 0, sizeof(ifr6));
(void) strlcpy(ifr6.ifr_name, name, sizeof(ifr6.ifr_name));
ifr6.ifr_addr = creq->ifr_addr;
lifetime = &ifr6.ifr_ifru.ifru_lifetime;
if (ioctl(s, SIOCGIFALIFETIME_IN6, (caddr_t)&ifr6) < 0) {
if (errno != EADDRNOTAVAIL)
warn("SIOCGIFALIFETIME_IN6");
} else if (lifetime->ia6t_preferred || lifetime->ia6t_expire) {
time_t t = time(NULL);
printf(" pltime ");
if (lifetime->ia6t_preferred) {
printf("%s", lifetime->ia6t_preferred < t
? "0"
: sec2str(lifetime->ia6t_preferred - t));
} else
printf("infty");
printf(" vltime ");
if (lifetime->ia6t_expire) {
printf("%s", lifetime->ia6t_expire < t
? "0"
: sec2str(lifetime->ia6t_expire - t));
} else
printf("infty");
}
}
printf("\n");
}
void
in6_status(int force)
{
in6_alias((struct in6_ifreq *)&ifr6);
}
#endif /*INET6*/
#ifndef INET_ONLY
void
at_status(int force)
{
struct sockaddr_at *sat, null_sat;
struct netrange *nr;
getsock(AF_APPLETALK);
if (s < 0) {
if (errno == EPROTONOSUPPORT)
return;
err(1, "socket");
}
(void) memset(&ifr, 0, sizeof(ifr));
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) {
if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) {
if (!force)
return;
(void) memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr));
} else
warn("SIOCGIFADDR");
}
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
sat = (struct sockaddr_at *)&ifr.ifr_addr;
(void) memset(&null_sat, 0, sizeof(null_sat));
nr = (struct netrange *) &sat->sat_zero;
printf("\tAppleTalk %d.%d range %d-%d phase %d",
ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node,
ntohs(nr->nr_firstnet), ntohs(nr->nr_lastnet), nr->nr_phase);
if (flags & IFF_POINTOPOINT) {
if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) {
if (errno == EADDRNOTAVAIL)
(void) memset(&ifr.ifr_addr, 0,
sizeof(ifr.ifr_addr));
else
warn("SIOCGIFDSTADDR");
}
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
sat = (struct sockaddr_at *)&ifr.ifr_dstaddr;
if (!sat)
sat = &null_sat;
printf("--> %d.%d",
ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node);
}
if (flags & IFF_BROADCAST) {
/* note RTAX_BRD overlap with IFF_POINTOPOINT */
sat = (struct sockaddr_at *)&ifr.ifr_broadaddr;
if (sat)
printf(" broadcast %d.%d", ntohs(sat->sat_addr.s_net),
sat->sat_addr.s_node);
}
putchar('\n');
}
void
xns_status(int force)
{
struct sockaddr_ns *sns;
getsock(AF_NS);
if (s < 0) {
if (errno == EPROTONOSUPPORT)
return;
err(1, "socket");
}
memset(&ifr, 0, sizeof(ifr));
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) {
if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) {
if (!force)
return;
memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr));
} else
warn("SIOCGIFADDR");
}
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
sns = (struct sockaddr_ns *)&ifr.ifr_addr;
printf("\tns %s ", ns_ntoa(sns->sns_addr));
if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */
if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) {
if (errno == EADDRNOTAVAIL)
memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr));
else
warn("SIOCGIFDSTADDR");
}
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
sns = (struct sockaddr_ns *)&ifr.ifr_dstaddr;
printf("--> %s ", ns_ntoa(sns->sns_addr));
}
putchar('\n');
}
void
setipxframetype(const char *vname, int type)
{
struct sockaddr_ipx *sipx;
ipx_type = type;
getsock(AF_IPX);
if (s < 0) {
if (errno == EPROTONOSUPPORT)
return;
err(1, "socket");
}
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
sipx = (struct sockaddr_ipx *)&addreq.ifra_addr;
sipx->sipx_type = ipx_type;
}
void
ipx_status(int force)
{
struct sockaddr_ipx *sipx;
getsock(AF_IPX);
if (s < 0) {
if (errno == EPROTONOSUPPORT)
return;
err(1, "socket");
}
memset(&ifr, 0, sizeof(ifr));
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) {
if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) {
if (!force)
return;
memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr));
} else
warn("SIOCGIFADDR");
}
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
sipx = (struct sockaddr_ipx *)&ifr.ifr_addr;
printf("\tipx %s ", ipx_ntoa(sipx->sipx_addr));
if (flags & IFF_POINTOPOINT) { /* by W. Nesheim@Cornell */
if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) {
if (errno == EADDRNOTAVAIL)
memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr));
else
warn("SIOCGIFDSTADDR");
}
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
sipx = (struct sockaddr_ipx *)&ifr.ifr_dstaddr;
printf("--> %s ", ipx_ntoa(sipx->sipx_addr));
}
{
struct frame_types {
int type;
char *name;
} *p, frames[] = {
{ IPX_ETHERTYPE_8022, "802.2" },
{ IPX_ETHERTYPE_8022TR, "802.2tr" },
{ IPX_ETHERTYPE_8023, "802.3" },
{ IPX_ETHERTYPE_SNAP, "SNAP" },
{ IPX_ETHERTYPE_II, "EtherII" },
{ 0, NULL }
};
for (p = frames; p->name && p->type != sipx->sipx_type; p++);
if (p->name != NULL)
printf("frame %s ", p->name);
}
putchar('\n');
}
void
iso_status(int force)
{
struct sockaddr_iso *siso;
struct iso_ifreq ifr;
getsock(AF_ISO);
if (s < 0) {
if (errno == EPROTONOSUPPORT)
return;
err(1, "socket");
}
memset(&ifr, 0, sizeof(ifr));
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (ioctl(s, SIOCGIFADDR_ISO, (caddr_t)&ifr) < 0) {
if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) {
if (!force)
return;
memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr));
} else
warn("SIOCGIFADDR_ISO");
}
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
siso = &ifr.ifr_Addr;
printf("\tiso %s ", iso_ntoa(&siso->siso_addr));
if (ioctl(s, SIOCGIFNETMASK_ISO, (caddr_t)&ifr) < 0) {
if (errno == EADDRNOTAVAIL)
memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr));
else
warn("SIOCGIFNETMASK_ISO");
} else {
printf(" netmask %s ", iso_ntoa(&siso->siso_addr));
}
if (flags & IFF_POINTOPOINT) {
if (ioctl(s, SIOCGIFDSTADDR_ISO, (caddr_t)&ifr) < 0) {
if (errno == EADDRNOTAVAIL)
memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr));
else
warn("SIOCGIFDSTADDR_ISO");
}
(void) strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
siso = &ifr.ifr_Addr;
printf("--> %s ", iso_ntoa(&siso->siso_addr));
}
putchar('\n');
}
#endif /* INET_ONLY */
#define SIN(x) ((struct sockaddr_in *) &(x))
struct sockaddr_in *sintab[] = {
SIN(ridreq.ifr_addr), SIN(in_addreq.ifra_addr),
SIN(in_addreq.ifra_mask), SIN(in_addreq.ifra_broadaddr)};
void
in_getaddr(const char *s, int which)
{
struct sockaddr_in *sin = sintab[which];
struct hostent *hp;
struct netent *np;
sin->sin_len = sizeof(*sin);
if (which != MASK)
sin->sin_family = AF_INET;
if (inet_aton(s, &sin->sin_addr) == 0) {
if ((hp = gethostbyname(s)))
memcpy(&sin->sin_addr, hp->h_addr, hp->h_length);
else if ((np = getnetbyname(s)))
sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY);
else
errx(1, "%s: bad value", s);
}
}
void
in_getprefix(const char *plen, int which)
{
struct sockaddr_in *sin = sintab[which];
u_char *cp;
int len = strtol(plen, (char **)NULL, 10);
if ((len < 0) || (len > 32))
errx(1, "%s: bad value", plen);
sin->sin_len = sizeof(*sin);
if (which != MASK)
sin->sin_family = AF_INET;
if ((len == 0) || (len == 32)) {
memset(&sin->sin_addr, 0xff, sizeof(struct in_addr));
return;
}
memset((void *)&sin->sin_addr, 0x00, sizeof(sin->sin_addr));
for (cp = (u_char *)&sin->sin_addr; len > 7; len -= 8)
*cp++ = 0xff;
if (len)
*cp = 0xff << (8 - len);
}
/*
* Print a value a la the %b format of the kernel's printf
*/
void
printb(char *s, unsigned short v, char *bits)
{
int i, any = 0;
char c;
if (bits && *bits == 8)
printf("%s=%o", s, v);
else
printf("%s=%x", s, v);
bits++;
if (bits) {
putchar('<');
while ((i = *bits++)) {
if (v & (1 << (i-1))) {
if (any)
putchar(',');
any = 1;
for (; (c = *bits) > 32; bits++)
putchar(c);
} else
for (; *bits > 32; bits++)
;
}
putchar('>');
}
}
#ifdef INET6
#define SIN6(x) ((struct sockaddr_in6 *) &(x))
struct sockaddr_in6 *sin6tab[] = {
SIN6(in6_ridreq.ifr_addr), SIN6(in6_addreq.ifra_addr),
SIN6(in6_addreq.ifra_prefixmask), SIN6(in6_addreq.ifra_dstaddr)};
void
in6_getaddr(const char *s, int which)
{
#ifndef KAME_SCOPEID
struct sockaddr_in6 *sin6 = sin6tab[which];
sin6->sin6_len = sizeof(*sin6);
if (which != MASK)
sin6->sin6_family = AF_INET6;
if (inet_pton(AF_INET6, s, &sin6->sin6_addr) != 1)
errx(1, "%s: bad value", s);
#else
struct sockaddr_in6 *sin6 = sin6tab[which];
struct addrinfo hints, *res;
int error;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_INET6;
hints.ai_socktype = SOCK_DGRAM; /*dummy*/
error = getaddrinfo(s, "0", &hints, &res);
if (error)
errx(1, "%s: %s", s, gai_strerror(error));
if (res->ai_addrlen != sizeof(struct sockaddr_in6))
errx(1, "%s: bad value", s);
memcpy(sin6, res->ai_addr, res->ai_addrlen);
#ifdef __KAME__
if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) &&
*(u_int16_t *)&sin6->sin6_addr.s6_addr[2] == 0 &&
sin6->sin6_scope_id) {
*(u_int16_t *)&sin6->sin6_addr.s6_addr[2] =
htons(sin6->sin6_scope_id & 0xffff);
sin6->sin6_scope_id = 0;
}
#endif
freeaddrinfo(res);
#endif
}
void
in6_getprefix(const char *plen, int which)
{
struct sockaddr_in6 *sin6 = sin6tab[which];
u_char *cp;
int len = strtol(plen, (char **)NULL, 10);
if ((len < 0) || (len > 128))
errx(1, "%s: bad value", plen);
sin6->sin6_len = sizeof(*sin6);
if (which != MASK)
sin6->sin6_family = AF_INET6;
if ((len == 0) || (len == 128)) {
memset(&sin6->sin6_addr, 0xff, sizeof(struct in6_addr));
return;
}
memset((void *)&sin6->sin6_addr, 0x00, sizeof(sin6->sin6_addr));
for (cp = (u_char *)&sin6->sin6_addr; len > 7; len -= 8)
*cp++ = 0xff;
if (len)
*cp = 0xff << (8 - len);
}
int
prefix(void *val, int size)
{
u_char *name = (u_char *)val;
int byte, bit, plen = 0;
for (byte = 0; byte < size; byte++, plen += 8)
if (name[byte] != 0xff)
break;
if (byte == size)
return (plen);
for (bit = 7; bit != 0; bit--, plen++)
if (!(name[byte] & (1 << bit)))
break;
for (; bit != 0; bit--)
if (name[byte] & (1 << bit))
return(0);
byte++;
for (; byte < size; byte++)
if (name[byte])
return(0);
return (plen);
}
#endif /*INET6*/
#ifndef INET_ONLY
void
at_getaddr(const char *addr, int which)
{
struct sockaddr_at *sat = (struct sockaddr_at *) &addreq.ifra_addr;
u_int net, node;
sat->sat_family = AF_APPLETALK;
sat->sat_len = sizeof(*sat);
if (which == MASK)
errx(1, "AppleTalk does not use netmasks");
if (sscanf(addr, "%u.%u", &net, &node) != 2 ||
net == 0 || net > 0xffff || node == 0 || node > 0xfe)
errx(1, "%s: illegal address", addr);
sat->sat_addr.s_net = htons(net);
sat->sat_addr.s_node = node;
}
void
setatrange(const char *range, int d)
{
u_short first = 123, last = 123;
if (sscanf(range, "%hu-%hu", &first, &last) != 2 ||
first == 0 || first > 0xffff ||
last == 0 || last > 0xffff || first > last)
errx(1, "%s: illegal net range: %u-%u", range, first, last);
at_nr.nr_firstnet = htons(first);
at_nr.nr_lastnet = htons(last);
}
void
setatphase(const char *phase, int d)
{
if (!strcmp(phase, "1"))
at_nr.nr_phase = 1;
else if (!strcmp(phase, "2"))
at_nr.nr_phase = 2;
else
errx(1, "%s: illegal phase", phase);
}
void
checkatrange(struct sockaddr_at *sat)
{
if (at_nr.nr_phase == 0)
at_nr.nr_phase = 2; /* Default phase 2 */
if (at_nr.nr_firstnet == 0) /* Default range of one */
at_nr.nr_firstnet = at_nr.nr_lastnet = sat->sat_addr.s_net;
printf("\tatalk %d.%d range %d-%d phase %d\n",
ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node,
ntohs(at_nr.nr_firstnet), ntohs(at_nr.nr_lastnet), at_nr.nr_phase);
if ((u_short) ntohs(at_nr.nr_firstnet) >
(u_short) ntohs(sat->sat_addr.s_net) ||
(u_short) ntohs(at_nr.nr_lastnet) <
(u_short) ntohs(sat->sat_addr.s_net))
errx(1, "AppleTalk address is not in range");
*((struct netrange *) &sat->sat_zero) = at_nr;
}
#define SNS(x) ((struct sockaddr_ns *) &(x))
struct sockaddr_ns *snstab[] = {
SNS(ridreq.ifr_addr), SNS(addreq.ifra_addr),
SNS(addreq.ifra_mask), SNS(addreq.ifra_broadaddr)};
void
xns_getaddr(const char *addr, int which)
{
struct sockaddr_ns *sns = snstab[which];
sns->sns_family = AF_NS;
sns->sns_len = sizeof(*sns);
sns->sns_addr = ns_addr(addr);
if (which == MASK)
printf("Attempt to set XNS netmask will be ineffectual\n");
}
#define SIPX(x) ((struct sockaddr_ipx *) &(x))
struct sockaddr_ipx *sipxtab[] = {
SIPX(ridreq.ifr_addr), SIPX(addreq.ifra_addr),
SIPX(addreq.ifra_mask), SIPX(addreq.ifra_broadaddr)};
void
ipx_getaddr(const char *addr, int which)
{
struct sockaddr_ipx *sipx = sipxtab[which];
sipx->sipx_family = AF_IPX;
sipx->sipx_len = sizeof(*sipx);
sipx->sipx_addr = ipx_addr(addr);
sipx->sipx_type = ipx_type;
if (which == MASK)
printf("Attempt to set IPX netmask will be ineffectual\n");
}
#define SISO(x) ((struct sockaddr_iso *) &(x))
struct sockaddr_iso *sisotab[] = {
SISO(iso_ridreq.ifr_Addr), SISO(iso_addreq.ifra_addr),
SISO(iso_addreq.ifra_mask), SISO(iso_addreq.ifra_dstaddr)};
void
iso_getaddr(const char *addr, int which)
{
struct sockaddr_iso *siso = sisotab[which];
siso->siso_addr = *iso_addr(addr);
if (which == MASK) {
siso->siso_len = TSEL(siso) - (caddr_t)(siso);
siso->siso_nlen = 0;
} else {
siso->siso_len = sizeof(*siso);
siso->siso_family = AF_ISO;
}
}
void
setsnpaoffset(const char *val, int ignored)
{
iso_addreq.ifra_snpaoffset = atoi(val);
}
void
setnsellength(const char *val, int ignored)
{
nsellength = atoi(val);
if (nsellength < 0)
errx(1, "negative NSEL length is absurd");
if (afp == 0 || afp->af_af != AF_ISO)
errx(1, "setting NSEL length valid only for iso");
}
void
fixnsel(struct sockaddr_iso *s)
{
if (s->siso_family == 0)
return;
s->siso_tlen = nsellength;
}
void
adjust_nsellength(void)
{
fixnsel(sisotab[RIDADDR]);
fixnsel(sisotab[ADDR]);
fixnsel(sisotab[DSTADDR]);
}
#endif /* INET_ONLY */
void
usage(void)
{
fprintf(stderr, "usage: ifconfig [ -m ] [ -a ] [ -A ] [ interface ]\n"
"\t[ [af] [ address [ dest_addr ] ] [ up ] [ down ] "
"[ netmask mask ] ]\n"
"\t[ media media_type ] [ mediaopt media_option ]\n"
"\t[ metric n ]\n"
"\t[ mtu n ]\n"
"\t[ nwid network_id ] [ nwkey network_key | -nwkey ]\n"
"\t[ powersave | -powersave ] [ powersavesleep duration ]\n"
"\t[ [af] tunnel srcaddress dstaddress ] [ deletetunnel ]\n"
"\t[ vlan n vlandev interface ]\n"
"\t[ arp | -arp ]\n"
"\t[ anycast | -anycast ] [ deprecated | -deprecated ]\n"
"\t[ tentative | -tentative ] [ pltime n ] [ vltime n ] [ eui64 ]\n"
"\t[ -802.2 | -802.3 | -802.2tr | -snap | -EtherII ]\n"
"\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n"
" ifconfig [-a | -A | -am | -Am] [ af ]\n"
" ifconfig -m interface [af]\n"
" ifconfig -C\n"
" ifconfig interface create\n"
" ifconfig interface destroy\n");
exit(1);
}
#ifndef INET_ONLY
static int __tag = 0;
static int __have_tag = 0;
void
vlan_status(void)
{
struct vlanreq vreq;
bzero((char *)&vreq, sizeof(struct vlanreq));
ifr.ifr_data = (caddr_t)&vreq;
if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1)
return;
if (vreq.vlr_tag || (vreq.vlr_parent[0] != '\0'))
printf("\tvlan: %d parent interface: %s\n",
vreq.vlr_tag, vreq.vlr_parent[0] == '\0' ?
"<none>" : vreq.vlr_parent);
}
void
setvlantag(const char *val, int d)
{
u_int16_t tag;
struct vlanreq vreq;
__tag = tag = atoi(val);
__have_tag = 1;
bzero((char *)&vreq, sizeof(struct vlanreq));
ifr.ifr_data = (caddr_t)&vreq;
if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1)
err(1, "SIOCGETVLAN");
vreq.vlr_tag = tag;
if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1)
err(1, "SIOCSETVLAN");
}
void
setvlandev(const char *val, int d)
{
struct vlanreq vreq;
if (!__have_tag)
errx(1, "must specify both vlan tag and device");
bzero((char *)&vreq, sizeof(struct vlanreq));
ifr.ifr_data = (caddr_t)&vreq;
if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1)
err(1, "SIOCGETVLAN");
(void) strlcpy(vreq.vlr_parent, val, sizeof(vreq.vlr_parent));
vreq.vlr_tag = __tag;
if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1)
err(1, "SIOCSETVLAN");
}
void
unsetvlandev(const char *val, int d)
{
struct vlanreq vreq;
bzero((char *)&vreq, sizeof(struct vlanreq));
ifr.ifr_data = (caddr_t)&vreq;
if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1)
err(1, "SIOCGETVLAN");
bzero((char *)&vreq.vlr_parent, sizeof(vreq.vlr_parent));
vreq.vlr_tag = 0;
if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1)
err(1, "SIOCSETVLAN");
}
static const char *carp_states[] = { CARP_STATES };
void
carp_status()
{
const char *state;
struct carpreq carpr;
memset((char *)&carpr, 0, sizeof(struct carpreq));
ifr.ifr_data = (caddr_t)&carpr;
if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1)
return;
if (carpr.carpr_vhid > 0) {
if (carpr.carpr_state > CARP_MAXSTATE)
state = "<UNKNOWN>";
else
state = carp_states[carpr.carpr_state];
printf("\tcarp: %s vhid %d advbase %d advskew %d\n",
state, carpr.carpr_vhid, carpr.carpr_advbase,
carpr.carpr_advskew);
}
}
void
setcarp_passwd(const char *val, int d)
{
struct carpreq carpr;
memset((char *)&carpr, 0, sizeof(struct carpreq));
ifr.ifr_data = (caddr_t)&carpr;
if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1)
err(1, "SIOCGVH");
/* XXX Should hash the password into the key here, perhaps? */
strlcpy(carpr.carpr_key, val, CARP_KEY_LEN);
if (ioctl(s, SIOCSVH, (caddr_t)&ifr) == -1)
err(1, "SIOCSVH");
}
void
setcarp_vhid(const char *val, int d)
{
int vhid;
struct carpreq carpr;
vhid = atoi(val);
if (vhid <= 0)
errx(1, "vhid must be greater than 0");
memset((char *)&carpr, 0, sizeof(struct carpreq));
ifr.ifr_data = (caddr_t)&carpr;
if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1)
err(1, "SIOCGVH");
carpr.carpr_vhid = vhid;
if (ioctl(s, SIOCSVH, (caddr_t)&ifr) == -1)
err(1, "SIOCSVH");
}
void
setcarp_advskew(const char *val, int d)
{
int advskew;
struct carpreq carpr;
advskew = atoi(val);
memset((char *)&carpr, 0, sizeof(struct carpreq));
ifr.ifr_data = (caddr_t)&carpr;
if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1)
err(1, "SIOCGVH");
carpr.carpr_advskew = advskew;
if (ioctl(s, SIOCSVH, (caddr_t)&ifr) == -1)
err(1, "SIOCSVH");
}
void
setcarp_advbase(const char *val, int d)
{
int advbase;
struct carpreq carpr;
advbase = atoi(val);
memset((char *)&carpr, 0, sizeof(struct carpreq));
ifr.ifr_data = (caddr_t)&carpr;
if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1)
err(1, "SIOCGVH");
carpr.carpr_advbase = advbase;
if (ioctl(s, SIOCSVH, (caddr_t)&ifr) == -1)
err(1, "SIOCSVH");
}
void
setcarp_state(const char *val, int d)
{
struct carpreq carpr;
int i;
bzero((char *)&carpr, sizeof(struct carpreq));
ifr.ifr_data = (caddr_t)&carpr;
if (ioctl(s, SIOCGVH, (caddr_t)&ifr) == -1)
err(1, "SIOCGVH");
for (i = 0; i <= CARP_MAXSTATE; i++) {
if (!strcasecmp(val, carp_states[i])) {
carpr.carpr_state = i;
break;
}
}
if (ioctl(s, SIOCSVH, (caddr_t)&ifr) == -1)
err(1, "SIOCSVH");
}
void
setpfsync_syncif(const char *val, int d)
{
struct pfsyncreq preq;
bzero((char *)&preq, sizeof(struct pfsyncreq));
ifr.ifr_data = (caddr_t)&preq;
if (ioctl(s, SIOCGETPFSYNC, (caddr_t)&ifr) == -1)
err(1, "SIOCGETPFSYNC");
strlcpy(preq.pfsyncr_syncif, val, sizeof(preq.pfsyncr_syncif));
if (ioctl(s, SIOCSETPFSYNC, (caddr_t)&ifr) == -1)
err(1, "SIOCSETPFSYNC");
}
void
unsetpfsync_syncif(const char *val, int d)
{
struct pfsyncreq preq;
bzero((char *)&preq, sizeof(struct pfsyncreq));
ifr.ifr_data = (caddr_t)&preq;
if (ioctl(s, SIOCGETPFSYNC, (caddr_t)&ifr) == -1)
err(1, "SIOCGETPFSYNC");
bzero((char *)&preq.pfsyncr_syncif, sizeof(preq.pfsyncr_syncif));
if (ioctl(s, SIOCSETPFSYNC, (caddr_t)&ifr) == -1)
err(1, "SIOCSETPFSYNC");
}
void
setpfsync_maxupd(const char *val, int d)
{
int maxupdates;
struct pfsyncreq preq;
maxupdates = atoi(val);
memset((char *)&preq, 0, sizeof(struct pfsyncreq));
ifr.ifr_data = (caddr_t)&preq;
if (ioctl(s, SIOCGETPFSYNC, (caddr_t)&ifr) == -1)
err(1, "SIOCGETPFSYNC");
preq.pfsyncr_maxupdates = maxupdates;
if (ioctl(s, SIOCSETPFSYNC, (caddr_t)&ifr) == -1)
err(1, "SIOCSETPFSYNC");
}
void
pfsync_status(void)
{
struct pfsyncreq preq;
bzero((char *)&preq, sizeof(struct pfsyncreq));
ifr.ifr_data = (caddr_t)&preq;
if (ioctl(s, SIOCGETPFSYNC, (caddr_t)&ifr) == -1)
return;
if (preq.pfsyncr_syncif[0] != '\0') {
printf("\tpfsync: syncif: %s maxupd: %d\n",
preq.pfsyncr_syncif, preq.pfsyncr_maxupdates);
}
}
#endif /* INET_ONLY */
#ifdef INET6
char *
sec2str(time_t total)
{
static char result[256];
int days, hours, mins, secs;
int first = 1;
char *p = result;
char *end = &result[sizeof(result)];
int n;
if (0) { /*XXX*/
days = total / 3600 / 24;
hours = (total / 3600) % 24;
mins = (total / 60) % 60;
secs = total % 60;
if (days) {
first = 0;
n = snprintf(p, end - p, "%dd", days);
if (n < 0 || n >= end - p)
return(result);
p += n;
}
if (!first || hours) {
first = 0;
n = snprintf(p, end - p, "%dh", hours);
if (n < 0 || n >= end - p)
return(result);
p += n;
}
if (!first || mins) {
first = 0;
n = snprintf(p, end - p, "%dm", mins);
if (n < 0 || n >= end - p)
return(result);
p += n;
}
snprintf(p, end - p, "%ds", secs);
} else
snprintf(p, end - p, "%lu", (u_long)total);
return(result);
}
#endif
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