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NetBSD/sbin/ifconfig/ifconfig.c

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/* $NetBSD: ifconfig.c,v 1.60 2000/01/12 10:29:35 joda Exp $ */
/*-
* Copyright (c) 1997, 1998 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.
*/
/*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*/
#include <sys/cdefs.h>
#ifndef lint
__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 char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94";
#else
__RCSID("$NetBSD: ifconfig.c,v 1.60 2000/01/12 10:29:35 joda 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 <netinet/in.h>
#include <netinet/in_var.h>
#ifdef INET6
#include <netinet6/nd6.h>
#endif
#include <arpa/inet.h>
#include <netatalk/at.h>
#define NSIP
#include <netns/ns.h>
#include <netns/ns_if.h>
#include <netdb.h>
#define EON
#include <netiso/iso.h>
#include <netiso/iso_var.h>
#include <sys/protosw.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
struct ifreq ifr, ridreq;
struct ifaliasreq addreq __attribute__((aligned(4)));
#ifdef INET6
struct in6_ifreq ifr6;
struct in6_ifreq in6_ridreq;
struct in6_aliasreq in6_addreq __attribute__((aligned(4)));
#endif
struct iso_ifreq iso_ridreq;
struct iso_aliasreq iso_addreq;
struct sockaddr_in netmask;
struct netrange at_nr; /* AppleTalk net range */
char name[30];
int flags, metric, mtu, setaddr, setipdst, doalias;
int clearaddr, s;
int newaddr = -1;
int nsellength = 1;
int af;
int Aflag, aflag, bflag, dflag, lflag, mflag, sflag, uflag;
#ifdef INET6
int Lflag;
#endif
int reset_if_flags;
int explicit_prefix = 0;
void notealias __P((char *, int));
void notrailers __P((char *, int));
void setifaddr __P((char *, int));
void setifdstaddr __P((char *, int));
void setifflags __P((char *, int));
void setifbroadaddr __P((char *, int));
void setifipdst __P((char *, int));
void setifmetric __P((char *, int));
void setifmtu __P((char *, int));
void setifnetmask __P((char *, int));
void setifprefixlen __P((char *, int));
void setnsellength __P((char *, int));
void setsnpaoffset __P((char *, int));
void setatrange __P((char *, int));
void setatphase __P((char *, int));
#ifdef INET6
void setia6flags __P((char *, int));
void setia6pltime __P((char *, int));
void setia6vltime __P((char *, int));
void setia6lifetime __P((char *, char *));
#endif
void checkatrange __P ((struct sockaddr_at *));
void setmedia __P((char *, int));
void setmediaopt __P((char *, int));
void unsetmediaopt __P((char *, int));
void setmediainst __P((char *, int));
void fixnsel __P((struct sockaddr_iso *));
int main __P((int, char *[]));
/*
* 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 modifed. `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
struct cmd {
char *c_name;
int c_parameter; /* NEXTARG means next argv */
int c_action; /* defered action */
void (*c_func) __P((char *, int));
} 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 },
{ "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 },
#endif /*INET6*/
#ifndef INET_ONLY
{ "range", NEXTARG, 0, setatrange },
{ "phase", NEXTARG, 0, setatphase },
{ "snpaoffset", NEXTARG, 0, setsnpaoffset },
{ "nsellength", NEXTARG, 0, setnsellength },
#endif /* INET_ONLY */
{ "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 },
{ 0, 0, 0, setifaddr },
{ 0, 0, 0, setifdstaddr },
};
void adjust_nsellength __P((void));
int getinfo __P((struct ifreq *));
int carrier __P((void));
void getsock __P((int));
void printall __P((void));
void printalias __P((const char *, int));
void printb __P((char *, unsigned short, char *));
int prefix __P((void *, int));
void status __P((const u_int8_t *, int));
void usage __P((void));
char *sec2str __P((time_t));
const char *get_media_type_string __P((int));
const char *get_media_subtype_string __P((int));
int get_media_subtype __P((int, const char *));
int get_media_options __P((int, const char *));
int lookup_media_word __P((struct ifmedia_description *, int,
const char *));
void print_media_word __P((int, int, int));
void process_media_commands __P((void));
void init_current_media __P((void));
/*
* XNS support liberally adapted from code written at the University of
* Maryland principally by James O'Toole and Chris Torek.
*/
void in_alias __P((struct ifreq *));
void in_status __P((int));
void in_getaddr __P((char *, int));
#ifdef INET6
void in6_fillscopeid __P((struct sockaddr_in6 *sin6));
void in6_alias __P((struct in6_ifreq *));
void in6_status __P((int));
void in6_getaddr __P((char *, int));
void in6_getprefix __P((char *, int));
#endif
void at_status __P((int));
void at_getaddr __P((char *, int));
void xns_status __P((int));
void xns_getaddr __P((char *, int));
void iso_status __P((int));
void iso_getaddr __P((char *, int));
/* Known address families */
struct afswtch {
char *af_name;
short af_af;
void (*af_status) __P((int));
void (*af_getaddr) __P((char *, int));
void (*af_getprefix) __P((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, NULL,
SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(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) },
{ "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 }
};
struct afswtch *afp; /*the address family being set or asked about*/
struct afswtch *lookup_af __P((const char *));
int
main(argc, argv)
int argc;
char *argv[];
{
int ch;
/* Parse command-line options */
aflag = mflag = 0;
while ((ch = getopt(argc, argv, "Aabdlmsu"
#ifdef INET6
"L"
#endif
)) != -1) {
switch (ch) {
case 'A':
Aflag = 1;
break;
case 'a':
aflag = 1;
break;
case 'b':
bflag = 1;
break;
case 'd':
dflag = 1;
break;
#ifdef INET6
case 'L':
Lflag = 1;
break;
#endif
case 'l':
lflag = 1;
break;
case 'm':
mflag = 1;
break;
case 's':
sflag = 1;
break;
case 'u':
uflag = 1;
break;
default:
usage();
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
/*
* -l means "list all interfaces", and is mutally exclusive with
* all other flags/commands.
*
* -a means "print status of all interfaces".
*/
if (lflag && (aflag || mflag || Aflag || argc))
usage();
#ifdef INET6
if (lflag && Lflag)
usage();
#endif
if (aflag || lflag) {
if (argc > 1)
usage();
else if (argc == 1) {
afp = lookup_af(argv[0]);
if (afp == NULL)
usage();
}
if (afp)
af = ifr.ifr_addr.sa_family = afp->af_af;
else
af = ifr.ifr_addr.sa_family = afs[0].af_af;
printall();
exit(0);
}
/* Make sure there's an interface name. */
if (argc < 1)
usage();
(void) strncpy(name, argv[0], sizeof(name));
argc--; argv++;
/* Check for address family. */
afp = NULL;
if (argc > 0) {
afp = lookup_af(argv[0]);
if (afp != NULL) {
argv++;
argc--;
}
}
/* Initialize af, just for use in getinfo(). */
if (afp == NULL)
af = afs->af_af;
else
af = afp->af_af;
/* Get information about the interface. */
(void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (getinfo(&ifr) < 0)
exit(1);
if (sflag) {
if (argc != 0)
usage();
else
exit(carrier());
}
/* No more arguments means interface status. */
if (argc == 0) {
status(NULL, 0);
exit(0);
}
/* following operations assume inet familiy as default */
if (afp == NULL)
afp = afs;
af = ifr.ifr_addr.sa_family = afp->af_af;
#ifdef INET6
/* initialization */
in6_addreq.ifra_lifetime.ia6t_pltime = ND6_INFINITE_LIFETIME;
in6_addreq.ifra_lifetime.ia6t_vltime = ND6_INFINITE_LIFETIME;
#endif
/* Process commands. */
while (argc > 0) {
struct cmd *p;
for (p = cmds; p->c_name; p++)
if (strcmp(argv[0], p->c_name) == 0)
break;
if (p->c_name == 0 && setaddr) {
if ((flags & IFF_POINTOPOINT) == 0) {
errx(1, "can't set destination address %s",
"on non-point-to-point link");
}
p++; /* got src, do dst */
}
if (p->c_func) {
if (p->c_parameter == NEXTARG) {
if (argc < 2)
errx(1, "'%s' requires argument",
p->c_name);
(*p->c_func)(argv[1], 0);
argc--, argv++;
} else
(*p->c_func)(argv[0], 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
if (af == AF_ISO)
adjust_nsellength();
if (af == AF_APPLETALK)
checkatrange((struct sockaddr_at *) &addreq.ifra_addr);
if (setipdst && af==AF_NS) {
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");
}
#endif /* INET_ONLY */
if (clearaddr) {
int ret;
(void) strncpy(afp->af_ridreq, name, sizeof ifr.ifr_name);
if ((ret = ioctl(s, afp->af_difaddr, afp->af_ridreq)) < 0) {
if (errno == EADDRNOTAVAIL && (doalias >= 0)) {
/* means no previous address for interface */
} else
warn("SIOCDIFADDR");
}
}
if (newaddr > 0) {
(void) strncpy(afp->af_addreq, name, sizeof ifr.ifr_name);
if (ioctl(s, afp->af_aifaddr, afp->af_addreq) < 0)
warn("SIOCAIFADDR");
}
if (reset_if_flags && ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0)
err(1, "SIOCSIFFLAGS");
exit(0);
}
struct afswtch *
lookup_af(cp)
const char *cp;
{
struct afswtch *a;
for (a = afs; a->af_name != NULL; a++)
if (strcmp(a->af_name, cp) == 0)
return (a);
return (NULL);
}
void
getsock(naf)
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(ifr)
struct ifreq *ifr;
{
getsock(af);
if (s < 0)
err(1, "socket");
if (ioctl(s, SIOCGIFFLAGS, (caddr_t)ifr) < 0) {
warn("SIOCGIFFLAGS %s", ifr->ifr_name);
return (-1);
}
flags = ifr->ifr_flags;
if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) {
warn("SIOCGIFMETRIC %s", ifr->ifr_name);
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
printalias(iname, af)
const char *iname;
int af;
{
char inbuf[8192];
struct ifconf ifc;
struct ifreq *ifr;
int i, siz;
char ifrbuf[8192];
ifc.ifc_len = sizeof(inbuf);
ifc.ifc_buf = inbuf;
getsock(af);
if (s < 0)
err(1, "socket");
if (ioctl(s, SIOCGIFCONF, &ifc) < 0)
err(1, "SIOCGIFCONF");
ifr = ifc.ifc_req;
for (i = 0; i < ifc.ifc_len; ) {
ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i);
siz = sizeof(ifr->ifr_name) +
(ifr->ifr_addr.sa_len > sizeof(struct sockaddr)
? ifr->ifr_addr.sa_len
: sizeof(struct sockaddr));
i += siz;
/* avoid alignment issue */
if (sizeof(ifrbuf) < siz)
errx(1, "ifr too big");
memcpy(ifrbuf, ifr, siz);
ifr = (struct ifreq *)ifrbuf;
if (!strncmp(iname, ifr->ifr_name, sizeof(ifr->ifr_name))) {
if (ifr->ifr_addr.sa_family == af)
switch (af) {
case AF_INET:
in_alias(ifr);
break;
default:
/*none*/
}
continue;
}
}
}
void
printall()
{
char inbuf[8192];
const struct sockaddr_dl *sdl = NULL;
struct ifconf ifc;
struct ifreq ifreq, *ifr;
int i, siz, idx;
char ifrbuf[8192];
ifc.ifc_len = sizeof(inbuf);
ifc.ifc_buf = inbuf;
getsock(af);
if (s < 0)
err(1, "socket");
if (ioctl(s, SIOCGIFCONF, &ifc) < 0)
err(1, "SIOCGIFCONF");
ifr = ifc.ifc_req;
ifreq.ifr_name[0] = '\0';
for (i = 0, idx = 0; i < ifc.ifc_len; ) {
ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i);
siz = sizeof(ifr->ifr_name) +
(ifr->ifr_addr.sa_len > sizeof(struct sockaddr)
? ifr->ifr_addr.sa_len
: sizeof(struct sockaddr));
i += siz;
/* avoid alignment issue */
if (sizeof(ifrbuf) < siz)
errx(1, "ifr too big");
memcpy(ifrbuf, ifr, siz);
ifr = (struct ifreq *)ifrbuf;
if (ifr->ifr_addr.sa_family == AF_LINK)
sdl = (const struct sockaddr_dl *) &ifr->ifr_addr;
if (!strncmp(ifreq.ifr_name, ifr->ifr_name,
sizeof(ifr->ifr_name))) {
if (Aflag && ifr->ifr_addr.sa_family == AF_INET)
in_alias(ifr);
continue;
}
(void) strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name));
ifreq = *ifr;
if (getinfo(&ifreq) < 0)
continue;
if (bflag && (flags & (IFF_POINTOPOINT|IFF_LOOPBACK)))
continue;
if (dflag && (flags & IFF_UP) != 0)
continue;
if (uflag && (flags & IFF_UP) == 0)
continue;
if (sflag && carrier())
continue;
idx++;
/*
* Are we just listing the interfaces?
*/
if (lflag) {
if (idx > 1)
putchar(' ');
fputs(name, stdout);
continue;
}
if (sdl == NULL) {
status(NULL, 0);
} else {
status(LLADDR(sdl), sdl->sdl_alen);
sdl = NULL;
}
}
if (lflag)
putchar('\n');
}
#define RIDADDR 0
#define ADDR 1
#define MASK 2
#define DSTADDR 3
/*ARGSUSED*/
void
setifaddr(addr, param)
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++;
if (newaddr == -1)
newaddr = 1;
if (doalias == 0)
clearaddr = 1;
(*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR));
}
void
setifnetmask(addr, d)
char *addr;
int d;
{
(*afp->af_getaddr)(addr, MASK);
}
void
setifbroadaddr(addr, d)
char *addr;
int d;
{
(*afp->af_getaddr)(addr, DSTADDR);
}
void
setifipdst(addr, d)
char *addr;
int d;
{
in_getaddr(addr, DSTADDR);
setipdst++;
clearaddr = 0;
newaddr = 0;
}
#define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr))
/*ARGSUSED*/
void
notealias(addr, param)
char *addr;
int param;
{
if (setaddr && doalias == 0 && param < 0)
(void) 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(vname, value)
char *vname;
int value;
{
puts("Note: trailers are no longer sent, but always received");
}
/*ARGSUSED*/
void
setifdstaddr(addr, param)
char *addr;
int param;
{
(*afp->af_getaddr)(addr, DSTADDR);
}
void
setifflags(vname, value)
char *vname;
int value;
{
if (ioctl(s, SIOCGIFFLAGS, (caddr_t)&ifr) < 0)
err(1, "SIOCGIFFLAGS");
(void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
flags = ifr.ifr_flags;
if (value < 0) {
value = -value;
flags &= ~value;
} else
flags |= value;
ifr.ifr_flags = flags;
if (ioctl(s, SIOCSIFFLAGS, (caddr_t)&ifr) < 0)
err(1, "SIOCSIFFLAGS");
reset_if_flags = 1;
}
#ifdef INET6
void
setia6flags(vname, value)
char *vname;
int value;
{
if (value < 0) {
value = -value;
in6_addreq.ifra_flags &= ~value;
} else
in6_addreq.ifra_flags |= value;
}
void
setia6pltime(val, d)
char *val;
int d;
{
setia6lifetime("pltime", val);
}
void
setia6vltime(val, d)
char *val;
int d;
{
setia6lifetime("vltime", val);
}
void
setia6lifetime(cmd, val)
char *cmd;
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;
}
}
#endif
void
setifmetric(val, d)
char *val;
int d;
{
(void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
ifr.ifr_metric = atoi(val);
if (ioctl(s, SIOCSIFMETRIC, (caddr_t)&ifr) < 0)
warn("SIOCSIFMETRIC");
}
void
setifmtu(val, d)
char *val;
int d;
{
(void)strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
ifr.ifr_mtu = atoi(val);
if (ioctl(s, SIOCSIFMTU, (caddr_t)&ifr) < 0)
warn("SIOCSIFMTU");
}
void
init_current_media()
{
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) strncpy(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()
{
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;
strncpy(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(val, d)
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(val, d)
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(val, d)
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(val, d)
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. */
}
struct ifmedia_description ifm_type_descriptions[] =
IFM_TYPE_DESCRIPTIONS;
struct ifmedia_description ifm_subtype_descriptions[] =
IFM_SUBTYPE_DESCRIPTIONS;
struct ifmedia_description ifm_option_descriptions[] =
IFM_OPTION_DESCRIPTIONS;
const char *
get_media_type_string(mword)
int mword;
{
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(mword)
int mword;
{
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(type, val)
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(type, val)
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 |= option;
}
free(optlist);
return (rval);
}
int
lookup_media_word(desc, type, val)
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(ifmw, print_type, as_syntax)
int ifmw, print_type, as_syntax;
{
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) &&
(ifmw & 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));
}
int carrier()
{
struct ifmediareq ifmr;
(void) memset(&ifmr, 0, sizeof(ifmr));
(void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) {
/*
* Interface doesn't support SIOC{G,S}IFMEDIA;
* assume ok.
*/
return 0;
}
if ((ifmr.ifm_status & IFM_AVALID) == 0) {
/*
* Interface doesn't report media-valid status.
* assume ok.
*/
return 0;
}
/* otherwise, return ok for active, not-ok if not active. */
return !(ifmr.ifm_status & IFM_ACTIVE);
}
#define IFFBITS \
"\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\
\11PROMISC\12ALLMULTI\13OACTIVE\14SIMPLEX\15LINK0\16LINK1\17LINK2\20MULTICAST"
/*
* Print the status of the interface. If an address family was
* specified, show it and it only; otherwise, show them all.
*/
void
status(ap, alen)
const u_int8_t *ap;
int alen;
{
struct afswtch *p = afp;
struct ifmediareq ifmr;
int *media_list, i;
printf("%s: ", name);
printb("flags", flags, IFFBITS);
if (metric)
printf(" metric %d", metric);
if (mtu)
printf(" mtu %d", mtu);
putchar('\n');
if (ap && alen > 0) {
printf("\taddress:");
for (i = 0; i < alen; i++, ap++)
printf("%c%02x", i > 0 ? ':' : ' ', *ap);
putchar('\n');
}
(void) memset(&ifmr, 0, sizeof(ifmr));
(void) strncpy(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) {
printf("\tstatus: ");
switch (IFM_TYPE(ifmr.ifm_active)) {
case IFM_ETHER:
if (ifmr.ifm_status & IFM_ACTIVE)
printf("active");
else
printf("no carrier");
break;
case IFM_FDDI:
case IFM_TOKEN:
if (ifmr.ifm_status & IFM_ACTIVE)
printf("inserted");
else
printf("no ring");
break;
default:
printf("unknown");
}
putchar('\n');
}
if (mflag) {
int type, printed_type;
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 %s media:\n",
get_media_type_string(type));
printed_type = 1;
}
printf("\t\t");
print_media_word(media_list[i], 0, 1);
printf("\n");
}
}
}
}
free(media_list);
proto_status:
if ((p = afp) != NULL) {
(*p->af_status)(1);
if (Aflag & !aflag)
printalias(name, p->af_af);
} else for (p = afs; p->af_name; p++) {
ifr.ifr_addr.sa_family = p->af_af;
(*p->af_status)(0);
if (Aflag & !aflag && p->af_af == AF_INET)
printalias(name, p->af_af);
}
}
void
in_alias(creq)
struct ifreq *creq;
{
struct sockaddr_in *sin;
if (lflag)
return;
/* Get the non-alias address for this interface. */
getsock(AF_INET);
if (s < 0) {
if (errno == EPROTONOSUPPORT)
return;
err(1, "socket");
}
(void) memset(&ifr, 0, sizeof(ifr));
(void) strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) {
if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) {
return;
} else
warn("SIOCGIFADDR");
}
/* If creq and ifr are the same address, this is not an alias. */
if (memcmp(&ifr.ifr_addr, &creq->ifr_addr,
sizeof(creq->ifr_addr)) == 0)
return;
(void) memset(&addreq, 0, sizeof(addreq));
(void) strncpy(addreq.ifra_name, name, sizeof(addreq.ifra_name));
addreq.ifra_addr = creq->ifr_addr;
if (ioctl(s, SIOCGIFALIAS, (caddr_t)&addreq) < 0) {
if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) {
return;
} else
warn("SIOCGIFALIAS");
}
sin = (struct sockaddr_in *)&addreq.ifra_addr;
printf("\tinet alias %s", inet_ntoa(sin->sin_addr));
if (flags & IFF_POINTOPOINT) {
sin = (struct sockaddr_in *)&addreq.ifra_dstaddr;
printf(" -> %s", inet_ntoa(sin->sin_addr));
}
sin = (struct sockaddr_in *)&addreq.ifra_mask;
printf(" netmask 0x%x", ntohl(sin->sin_addr.s_addr));
if (flags & IFF_BROADCAST) {
sin = (struct sockaddr_in *)&addreq.ifra_broadaddr;
printf(" broadcast %s", inet_ntoa(sin->sin_addr));
}
printf("\n");
}
void
in_status(force)
int force;
{
struct sockaddr_in *sin;
getsock(AF_INET);
if (s < 0) {
if (errno == EPROTONOSUPPORT)
return;
err(1, "socket");
}
(void) memset(&ifr, 0, sizeof(ifr));
(void) strncpy(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) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
sin = (struct sockaddr_in *)&ifr.ifr_addr;
printf("\tinet %s ", inet_ntoa(sin->sin_addr));
(void) strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
if (ioctl(s, SIOCGIFNETMASK, (caddr_t)&ifr) < 0) {
if (errno != EADDRNOTAVAIL)
warn("SIOCGIFNETMASK");
(void) 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) {
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) strncpy(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) {
if (ioctl(s, SIOCGIFBRDADDR, (caddr_t)&ifr) < 0) {
if (errno == EADDRNOTAVAIL)
(void) memset(&ifr.ifr_addr, 0,
sizeof(ifr.ifr_addr));
else
warn("SIOCGIFBRDADDR");
}
(void) strncpy(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(addr, d)
char *addr;
int d;
{
if (*afp->af_getprefix)
(*afp->af_getprefix)(addr, MASK);
explicit_prefix = 1;
}
#ifdef INET6
void
in6_fillscopeid(sin6)
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(creq)
struct in6_ifreq *creq;
{
struct sockaddr_in6 *sin6;
char hbuf[NI_MAXHOST];
u_int32_t scopeid;
#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))
strncpy(hbuf, "", sizeof(hbuf)); /* some message? */
printf("\tinet6 %s", hbuf);
if (flags & IFF_POINTOPOINT) {
(void) memset(&ifr6, 0, sizeof(ifr6));
(void) strncpy(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);
hbuf[0] = '\0';
if (getnameinfo((struct sockaddr *)sin6, sin6->sin6_len,
hbuf, sizeof(hbuf), NULL, 0, niflag))
strncpy(hbuf, "", sizeof(hbuf)); /* some message? */
printf(" -> %s", hbuf);
}
(void) memset(&ifr6, 0, sizeof(ifr6));
(void) strncpy(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) strncpy(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 (scopeid)
printf(" scopeid 0x%x", scopeid);
if (Lflag) {
struct in6_addrlifetime *lifetime;
(void) memset(&ifr6, 0, sizeof(ifr6));
(void) strncpy(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(force)
int force;
{
char inbuf[8192];
struct ifconf ifc;
struct ifreq *ifr;
int i, siz;
char ifrbuf[8192];
ifc.ifc_len = sizeof(inbuf);
ifc.ifc_buf = inbuf;
getsock(af);
if (s < 0)
err(1, "socket");
if (ioctl(s, SIOCGIFCONF, &ifc) < 0)
err(1, "SIOCGIFCONF");
ifr = ifc.ifc_req;
for (i = 0; i < ifc.ifc_len; ) {
ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i);
siz = sizeof(ifr->ifr_name) +
(ifr->ifr_addr.sa_len > sizeof(struct sockaddr)
? ifr->ifr_addr.sa_len
: sizeof(struct sockaddr));
i += siz;
/* avoid alignment issue */
if (sizeof(ifrbuf) < siz)
errx(1, "ifr too big");
memcpy(ifrbuf, ifr, siz);
ifr = (struct ifreq *)ifrbuf;
if (!strncmp(name, ifr->ifr_name, sizeof(ifr->ifr_name))) {
if (ifr->ifr_addr.sa_family == AF_INET6)
in6_alias((struct in6_ifreq *)ifr);
}
}
}
#endif /*INET6*/
#ifndef INET_ONLY
void
at_status(force)
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) strncpy(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) strncpy(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("\tatalk %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) strncpy(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(force)
int force;
{
struct sockaddr_ns *sns;
getsock(AF_NS);
if (s < 0) {
if (errno == EPROTONOSUPPORT)
return;
err(1, "socket");
}
(void) memset(&ifr, 0, sizeof(ifr));
(void) strncpy(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) strncpy(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) strncpy(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
iso_status(force)
int force;
{
struct sockaddr_iso *siso;
struct iso_ifreq ifr;
getsock(AF_ISO);
if (s < 0) {
if (errno == EPROTONOSUPPORT)
return;
err(1, "socket");
}
(void) memset(&ifr, 0, sizeof(ifr));
(void) strncpy(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;
(void) memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr));
} else
warn("SIOCGIFADDR_ISO");
}
(void) strncpy(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 {
if (siso->siso_len > offsetof(struct sockaddr_iso, siso_addr))
siso->siso_addr.isoa_len = siso->siso_len
- offsetof(struct sockaddr_iso, siso_addr);
printf("\n\t\tnetmask %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) strncpy(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(addreq.ifra_addr),
SIN(addreq.ifra_mask), SIN(addreq.ifra_broadaddr)};
void
in_getaddr(s, which)
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 (which == ADDR) {
char *p = NULL;
if((p = strrchr(s, '/')) != NULL) {
/* address is `name/masklen' */
int masklen;
int ret;
struct sockaddr_in *min = sintab[MASK];
*p = '\0';
ret = sscanf(p+1, "%u", &masklen);
if(ret != 1 || (masklen < 0 || masklen > 32)) {
*p = '/';
errx(1, "%s: bad value", s);
}
min->sin_len = sizeof(*min);
min->sin_addr.s_addr =
htonl(~((1LL << (32 - masklen)) - 1) &
0xffffffff);
}
}
if (inet_aton(s, &sin->sin_addr) == 0) {
if ((hp = gethostbyname(s)) != NULL)
(void) memcpy(&sin->sin_addr, hp->h_addr, hp->h_length);
else if ((np = getnetbyname(s)) != NULL)
sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY);
else
errx(1, "%s: bad value", s);
}
}
/*
* Print a value a la the %b format of the kernel's printf
*/
void
printb(s, v, bits)
char *s;
char *bits;
unsigned short v;
{
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++) != 0) {
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(s, which)
char *s;
int which;
{
#if defined(__KAME__) && defined(KAME_SCOPEID)
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;
#if 0 /* in_getaddr() allows FQDN */
hints.ai_flags = AI_NUMERICHOST;
#endif
error = getaddrinfo(s, "0", &hints, &res);
if (error)
errx(1, "%s: %s", s, gai_strerror(error));
if (res->ai_next)
errx(1, "%s: resolved to multiple hosts", s);
if (res->ai_addrlen != sizeof(struct sockaddr_in6))
errx(1, "%s: bad value", s);
memcpy(sin6, res->ai_addr, res->ai_addrlen);
freeaddrinfo(res);
if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr) && sin6->sin6_scope_id) {
*(u_int16_t *)&sin6->sin6_addr.s6_addr[2] =
htons(sin6->sin6_scope_id);
sin6->sin6_scope_id = 0;
}
#else
struct sockaddr_in6 *sin = sin6tab[which];
sin->sin6_len = sizeof(*sin);
if (which != MASK)
sin->sin6_family = AF_INET6;
if (which == ADDR) {
char *p = NULL;
if((p = strrchr(s, '/')) != NULL) {
*p = '\0';
in6_getprefix(p + 1, MASK);
explicit_prefix = 1;
}
}
if (inet_pton(AF_INET6, s, &sin->sin6_addr) != 1)
errx(1, "%s: bad value", s);
#endif
}
void
in6_getprefix(plen, which)
char *plen;
int which;
{
register struct sockaddr_in6 *sin = sin6tab[which];
register u_char *cp;
int len = strtol(plen, (char **)NULL, 10);
if ((len < 0) || (len > 128))
errx(1, "%s: bad value", plen);
sin->sin6_len = sizeof(*sin);
if (which != MASK)
sin->sin6_family = AF_INET6;
if ((len == 0) || (len == 128)) {
memset(&sin->sin6_addr, 0xff, sizeof(struct in6_addr));
return;
}
memset((void *)&sin->sin6_addr, 0x00, sizeof(sin->sin6_addr));
for (cp = (u_char *)&sin->sin6_addr; len > 7; len -= 8)
*cp++ = 0xff;
*cp = 0xff << (8 - len);
}
int
prefix(val, size)
void *val;
int size;
{
register u_char *name = (u_char *)val;
register 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(addr, which)
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\n");
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(range, d)
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(phase, d)
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(sat)
struct sockaddr_at *sat;
{
if (at_nr.nr_phase == 0)
at_nr.nr_phase = 2; /* Default phase 2 */
if (at_nr.nr_firstnet == 0)
at_nr.nr_firstnet = /* Default range of one */
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(addr, which)
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)
puts("Attempt to set XNS netmask will be ineffectual");
}
#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(addr, which)
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(val, d)
char *val;
int d;
{
iso_addreq.ifra_snpaoffset = atoi(val);
}
void
setnsellength(val, d)
char *val;
int d;
{
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(s)
struct sockaddr_iso *s;
{
if (s->siso_family == 0)
return;
s->siso_tlen = nsellength;
}
void
adjust_nsellength()
{
fixnsel(sisotab[RIDADDR]);
fixnsel(sisotab[ADDR]);
fixnsel(sisotab[DSTADDR]);
}
#endif /* INET_ONLY */
void
usage()
{
fprintf(stderr,
"usage: ifconfig [ -m ] [ -A ] %s interface\n%s%s%s%s%s%s%s%s%s%s%s%s",
#ifdef INET6
"[ -L ]",
#else
"",
#endif
"\t[ af [ address [ dest_addr ] ] [ up ] [ down ] ",
"[ netmask mask ] ]\n",
"\t[ metric n ]\n",
"\t[ mtu n ]\n",
"\t[ arp | -arp ]\n",
"\t[ media mtype ]\n",
"\t[ mediaopt mopts ]\n",
"\t[ -mediaopt mopts ]\n",
"\t[ instance minst ]\n",
"\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n",
" ifconfig -a [ -A ] [ -m ] [ -d ] [ -u ] [ af ]\n",
" ifconfig -l [ -d ] [ -u ]\n");
exit(1);
}
#ifdef INET6
char *
sec2str(total)
time_t total;
{
static char result[256];
int days, hours, mins, secs;
int first = 1;
char *p = result;
if (0) { /*XXX*/
days = total / 3600 / 24;
hours = (total / 3600) % 24;
mins = (total / 60) % 60;
secs = total % 60;
if (days) {
first = 0;
p += sprintf(p, "%dd", days);
}
if (!first || hours) {
first = 0;
p += sprintf(p, "%dh", hours);
}
if (!first || mins) {
first = 0;
p += sprintf(p, "%dm", mins);
}
sprintf(p, "%ds", secs);
} else
sprintf(p, "%lu", (u_long)total);
return(result);
}
#endif
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