775 lines
18 KiB
C
775 lines
18 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char copyright[] =
|
|
"@(#) Copyright (c) 1983, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
/*static char sccsid[] = "from: @(#)ifconfig.c 8.2 (Berkeley) 2/16/94";*/
|
|
static char *rcsid = "$Id: ifconfig.c,v 1.18 1995/01/21 21:22:16 glass Exp $";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/ioctl.h>
|
|
|
|
#include <net/if.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.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 <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
struct ifreq ifr, ridreq;
|
|
struct ifaliasreq addreq;
|
|
struct iso_ifreq iso_ridreq;
|
|
struct iso_aliasreq iso_addreq;
|
|
struct sockaddr_in netmask;
|
|
char name[30];
|
|
int flags, metric, setaddr, setipdst, doalias;
|
|
int clearaddr, s;
|
|
int newaddr = 1;
|
|
int nsellength = 1;
|
|
int af = AF_INET;
|
|
|
|
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 *));
|
|
void setifipdst __P((char *));
|
|
void setifmetric __P((char *));
|
|
void setifnetmask __P((char *));
|
|
void setnsellength __P((char *));
|
|
void setsnpaoffset __P((char *));
|
|
|
|
#define NEXTARG 0xffffff
|
|
|
|
struct cmd {
|
|
char *c_name;
|
|
int c_parameter; /* NEXTARG means next argv */
|
|
void (*c_func)();
|
|
} cmds[] = {
|
|
{ "up", IFF_UP, setifflags } ,
|
|
{ "down", -IFF_UP, setifflags },
|
|
{ "trailers", -1, notrailers },
|
|
{ "-trailers", 1, notrailers },
|
|
{ "arp", -IFF_NOARP, setifflags },
|
|
{ "-arp", IFF_NOARP, setifflags },
|
|
{ "debug", IFF_DEBUG, setifflags },
|
|
{ "-debug", -IFF_DEBUG, setifflags },
|
|
{ "alias", IFF_UP, notealias },
|
|
{ "-alias", -IFF_UP, notealias },
|
|
{ "delete", -IFF_UP, notealias },
|
|
#ifdef notdef
|
|
#define EN_SWABIPS 0x1000
|
|
{ "swabips", EN_SWABIPS, setifflags },
|
|
{ "-swabips", -EN_SWABIPS, setifflags },
|
|
#endif
|
|
{ "netmask", NEXTARG, setifnetmask },
|
|
{ "metric", NEXTARG, setifmetric },
|
|
{ "broadcast", NEXTARG, setifbroadaddr },
|
|
{ "ipdst", NEXTARG, setifipdst },
|
|
{ "snpaoffset", NEXTARG, setsnpaoffset },
|
|
{ "nsellength", NEXTARG, setnsellength },
|
|
{ "link0", IFF_LINK0, setifflags } ,
|
|
{ "-link0", -IFF_LINK0, setifflags } ,
|
|
{ "link1", IFF_LINK1, setifflags } ,
|
|
{ "-link1", -IFF_LINK1, setifflags } ,
|
|
{ "link2", IFF_LINK2, setifflags } ,
|
|
{ "-link2", -IFF_LINK2, setifflags } ,
|
|
{ 0, 0, setifaddr },
|
|
{ 0, 0, setifdstaddr },
|
|
};
|
|
|
|
void adjust_nsellength();
|
|
int getinfo __P((struct ifreq *));
|
|
void getsock __P((int));
|
|
void printall __P((void));
|
|
void printb __P((char *, unsigned short, char *));
|
|
void status();
|
|
void usage();
|
|
|
|
/*
|
|
* XNS support liberally adapted from code written at the University of
|
|
* Maryland principally by James O'Toole and Chris Torek.
|
|
*/
|
|
void in_status __P((int));
|
|
void in_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)();
|
|
void (*af_getaddr)();
|
|
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,
|
|
SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) },
|
|
{ "ns", AF_NS, xns_status, xns_getaddr,
|
|
SIOCDIFADDR, SIOCAIFADDR, C(ridreq), C(addreq) },
|
|
{ "iso", AF_ISO, iso_status, iso_getaddr,
|
|
SIOCDIFADDR_ISO, SIOCAIFADDR_ISO, C(iso_ridreq), C(iso_addreq) },
|
|
{ 0, 0, 0, 0 }
|
|
};
|
|
|
|
struct afswtch *afp; /*the address family being set or asked about*/
|
|
|
|
int
|
|
main(argc, argv)
|
|
int argc;
|
|
char *argv[];
|
|
{
|
|
register struct afswtch *rafp;
|
|
int aflag = 0;
|
|
|
|
if (argc < 2)
|
|
usage();
|
|
argc--, argv++;
|
|
if (!strcmp(*argv, "-a"))
|
|
aflag = 1;
|
|
else
|
|
strncpy(name, *argv, sizeof(name));
|
|
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 (aflag) {
|
|
if (argc > 0)
|
|
usage();
|
|
printall();
|
|
exit(0);
|
|
}
|
|
strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
|
|
if (getinfo(&ifr) < 0)
|
|
exit(1);
|
|
if (argc == 0) {
|
|
status();
|
|
exit(0);
|
|
}
|
|
while (argc > 0) {
|
|
register struct cmd *p;
|
|
|
|
for (p = cmds; p->c_name; p++)
|
|
if (strcmp(*argv, p->c_name) == 0)
|
|
break;
|
|
if (p->c_name == 0 && setaddr)
|
|
p++; /* got src, do dst */
|
|
if (p->c_func) {
|
|
if (p->c_parameter == NEXTARG) {
|
|
if (argv[1] == NULL)
|
|
errx(1, "'%s' requires argument",
|
|
p->c_name);
|
|
(*p->c_func)(argv[1]);
|
|
argc--, argv++;
|
|
} else
|
|
(*p->c_func)(*argv, p->c_parameter);
|
|
}
|
|
argc--, argv++;
|
|
}
|
|
if (af == AF_ISO)
|
|
adjust_nsellength();
|
|
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");
|
|
}
|
|
if (clearaddr) {
|
|
int ret;
|
|
strncpy(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
|
|
warn("SIOCDIFADDR");
|
|
}
|
|
}
|
|
if (newaddr) {
|
|
strncpy(rafp->af_addreq, name, sizeof ifr.ifr_name);
|
|
if (ioctl(s, rafp->af_aifaddr, rafp->af_addreq) < 0)
|
|
warn("SIOCAIFADDR");
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
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");
|
|
return (-1);
|
|
}
|
|
flags = ifr->ifr_flags;
|
|
if (ioctl(s, SIOCGIFMETRIC, (caddr_t)ifr) < 0) {
|
|
warn("SIOCGIFMETRIC");
|
|
metric = 0;
|
|
} else
|
|
metric = ifr->ifr_metric;
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
printall()
|
|
{
|
|
char inbuf[8192];
|
|
struct ifconf ifc;
|
|
struct ifreq ifreq, *ifr;
|
|
int i;
|
|
|
|
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; i < ifc.ifc_len; ) {
|
|
ifr = (struct ifreq *)((caddr_t)ifc.ifc_req + i);
|
|
i += sizeof(ifr->ifr_name) + ifr->ifr_addr.sa_len;
|
|
if (!strncmp(ifreq.ifr_name, ifr->ifr_name,
|
|
sizeof(ifr->ifr_name)))
|
|
continue;
|
|
strncpy(name, ifr->ifr_name, sizeof(ifr->ifr_name));
|
|
ifreq = *ifr;
|
|
if (getinfo(&ifreq) < 0)
|
|
continue;
|
|
status();
|
|
}
|
|
}
|
|
|
|
#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 (doalias == 0)
|
|
clearaddr = 1;
|
|
(*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR));
|
|
}
|
|
|
|
void
|
|
setifnetmask(addr)
|
|
char *addr;
|
|
{
|
|
(*afp->af_getaddr)(addr, MASK);
|
|
}
|
|
|
|
void
|
|
setifbroadaddr(addr)
|
|
char *addr;
|
|
{
|
|
(*afp->af_getaddr)(addr, DSTADDR);
|
|
}
|
|
|
|
void
|
|
setifipdst(addr)
|
|
char *addr;
|
|
{
|
|
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)
|
|
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;
|
|
{
|
|
printf("Note: trailers are no longer sent, but always received\n");
|
|
}
|
|
|
|
/*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");
|
|
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");
|
|
}
|
|
|
|
void
|
|
setifmetric(val)
|
|
char *val;
|
|
{
|
|
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
|
|
setsnpaoffset(val)
|
|
char *val;
|
|
{
|
|
iso_addreq.ifra_snpaoffset = atoi(val);
|
|
}
|
|
|
|
#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()
|
|
{
|
|
register struct afswtch *p = afp;
|
|
|
|
printf("%s: ", name);
|
|
printb("flags", flags, IFFBITS);
|
|
if (metric)
|
|
printf(" metric %d", metric);
|
|
putchar('\n');
|
|
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);
|
|
}
|
|
}
|
|
|
|
void
|
|
in_status(force)
|
|
int force;
|
|
{
|
|
struct sockaddr_in *sin;
|
|
char *inet_ntoa();
|
|
|
|
getsock(AF_INET);
|
|
if (s < 0) {
|
|
if (errno == EPROTONOSUPPORT)
|
|
return;
|
|
err(1, "socket");
|
|
}
|
|
memset(&ifr, 0, sizeof(ifr));
|
|
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");
|
|
}
|
|
strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
|
|
sin = (struct sockaddr_in *)&ifr.ifr_addr;
|
|
printf("\tinet %s ", inet_ntoa(sin->sin_addr));
|
|
strncpy(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) {
|
|
if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) {
|
|
if (errno == EADDRNOTAVAIL)
|
|
memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr));
|
|
else
|
|
warn("SIOCGIFDSTADDR");
|
|
}
|
|
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)
|
|
memset(&ifr.ifr_addr, 0, sizeof(ifr.ifr_addr));
|
|
else
|
|
warn("SIOCGIFBRDADDR");
|
|
}
|
|
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
|
|
xns_status(force)
|
|
int force;
|
|
{
|
|
struct sockaddr_ns *sns;
|
|
|
|
getsock(AF_NS);
|
|
if (s < 0) {
|
|
if (errno == EPROTONOSUPPORT)
|
|
return;
|
|
err(1, "socket");
|
|
}
|
|
memset(&ifr, 0, sizeof(ifr));
|
|
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");
|
|
}
|
|
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");
|
|
}
|
|
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");
|
|
}
|
|
memset(&ifr, 0, sizeof(ifr));
|
|
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;
|
|
memset(&ifr.ifr_Addr, 0, sizeof(ifr.ifr_Addr));
|
|
} else
|
|
warn("SIOCGIFADDR_ISO");
|
|
}
|
|
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 {
|
|
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");
|
|
}
|
|
strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
|
|
siso = &ifr.ifr_Addr;
|
|
printf("--> %s ", iso_ntoa(&siso->siso_addr));
|
|
}
|
|
putchar('\n');
|
|
}
|
|
|
|
struct in_addr inet_makeaddr();
|
|
|
|
#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;
|
|
{
|
|
register struct sockaddr_in *sin = sintab[which];
|
|
struct hostent *hp;
|
|
struct netent *np;
|
|
int val;
|
|
|
|
sin->sin_len = sizeof(*sin);
|
|
if (which != MASK)
|
|
sin->sin_family = AF_INET;
|
|
|
|
if ((val = inet_addr(s)) != -1)
|
|
sin->sin_addr.s_addr = val;
|
|
else 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);
|
|
}
|
|
|
|
/*
|
|
* Print a value a la the %b format of the kernel's printf
|
|
*/
|
|
void
|
|
printb(s, v, bits)
|
|
char *s;
|
|
register char *bits;
|
|
register unsigned short v;
|
|
{
|
|
register int i, any = 0;
|
|
register 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('>');
|
|
}
|
|
}
|
|
|
|
#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];
|
|
struct ns_addr ns_addr();
|
|
|
|
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 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;
|
|
{
|
|
register struct sockaddr_iso *siso = sisotab[which];
|
|
struct iso_addr *iso_addr();
|
|
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
|
|
setnsellength(val)
|
|
char *val;
|
|
{
|
|
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)
|
|
register 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]);
|
|
}
|
|
|
|
void
|
|
usage()
|
|
{
|
|
fprintf(stderr, "usage: ifconfig interface\n%s%s%s%s%s%s",
|
|
"\t[ af [ address [ dest_addr ] ] [ up ] [ down ] ",
|
|
"[ netmask mask ] ]\n",
|
|
"\t[ metric n ]\n",
|
|
"\t[ arp | -arp ]\n",
|
|
"\t[ link0 | -link0 ] [ link1 | -link1 ] [ link2 | -link2 ]\n",
|
|
" ifconfig -a [ af ]\n");
|
|
exit(1);
|
|
}
|