/*
* Copyright (c) 1983 Regents of the University of California.
- * All rights reserved. The Berkeley software License Agreement
- * specifies the terms and conditions for redistribution.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1983 Regents of the University of California.\n\
All rights reserved.\n";
-#endif not lint
+#endif /* not lint */
#ifndef lint
-static char sccsid[] = "@(#)ifconfig.c 4.18 (Berkeley) %G%";
-#endif not lint
+static char sccsid[] = "@(#)ifconfig.c 4.26 (Berkeley) %G%";
+#endif /* not lint */
#include <sys/types.h>
#include <sys/socket.h>
#include <netns/ns.h>
#include <netns/ns_if.h>
+#define EON
+#include <netiso/iso.h>
+#include <netiso/iso_var.h>
+#include <sys/protosw.h>
+
#include <stdio.h>
#include <errno.h>
#include <ctype.h>
#include <netdb.h>
extern int errno;
-struct ifreq ifr;
-struct sockaddr_in sin = { AF_INET };
-struct sockaddr_in broadaddr;
-struct sockaddr_in netmask = { AF_INET };
-struct sockaddr_in ipdst = { AF_INET };
+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;
int metric;
int setaddr;
-int setmask;
-int setbroadaddr;
int setipdst;
+int doalias;
+int clearaddr;
+int newaddr = 1;
int s;
extern int errno;
int setifflags(), setifaddr(), setifdstaddr(), setifnetmask();
int setifmetric(), setifbroadaddr(), setifipdst();
+int notealias(), setsnpaoffset();
#define NEXTARG 0xffffff
{ "-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 },
#endif
{ "netmask", NEXTARG, setifnetmask },
{ "metric", NEXTARG, setifmetric },
+ { "snpaoffset", NEXTARG, setsnpaoffset },
{ "broadcast", NEXTARG, setifbroadaddr },
{ "ipdst", NEXTARG, setifipdst },
{ 0, 0, setifaddr },
* code written at the University of Maryland
* principally by James O'Toole and Chris Torek.
*/
-
int in_status(), in_getaddr();
int xns_status(), xns_getaddr();
+int iso_status(), iso_getaddr();
/* Known address families */
struct afswtch {
short af_af;
int (*af_status)();
int (*af_getaddr)();
+ int af_difaddr;
+ int af_aifaddr;
+ caddr_t af_ridreq;
+ caddr_t af_addreq;
} afs[] = {
- { "inet", AF_INET, in_status, in_getaddr },
- { "ns", AF_NS, xns_status, xns_getaddr },
- { 0, 0, 0, 0 }
+#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 testing = 0;
+Ioctl(a,b,c) {
+ int error = 0;
+ if (testing)
+ printf("would call ioctl with %x, %x, %x\n", a, b, c);
+ else
+ error = ioctl(a, b, c);
+ return error;
+}
+#define ioctl(a, b, c) Ioctl(a,b,c)
+
main(argc, argv)
int argc;
char *argv[];
{
int af = AF_INET;
+ register struct afswtch *rafp;
if (argc < 2) {
- fprintf(stderr, "usage: ifconfig interface\n%s%s%s%s",
+ fprintf(stderr, "usage: ifconfig interface\n%s%s%s%s%s",
"\t[ af [ address [ dest_addr ] ] [ up ] [ down ]",
"[ netmask mask ] ]\n",
"\t[ metric n ]\n",
strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
argc--, argv++;
if (argc > 0) {
- struct afswtch *myafp;
-
- for (myafp = afp = afs; myafp->af_name; myafp++)
- if (strcmp(myafp->af_name, *argv) == 0) {
- afp = myafp; argc--; argv++;
+ for (afp = rafp = afs; rafp->af_name; rafp++)
+ if (strcmp(rafp->af_name, *argv) == 0) {
+ afp = rafp; argc--; argv++;
break;
}
- af = ifr.ifr_addr.sa_family = afp->af_af;
+ rafp = afp;
+ af = ifr.ifr_addr.sa_family = rafp->af_af;
}
s = socket(af, SOCK_DGRAM, 0);
if (s < 0) {
}
argc--, argv++;
}
- if ((setmask || setaddr) && (af == AF_INET)) {
- /*
- * If setting the address and not the mask,
- * clear any existing mask and the kernel will then
- * assign the default. If setting both,
- * set the mask first, so the address will be
- * interpreted correctly.
- */
- ifr.ifr_addr = *(struct sockaddr *)&netmask;
- if (ioctl(s, SIOCSIFNETMASK, (caddr_t)&ifr) < 0)
- Perror("ioctl (SIOCSIFNETMASK)");
- }
if (setipdst && af==AF_NS) {
struct nsip_req rq;
int size = sizeof(rq);
- rq.rq_ns = *(struct sockaddr *) &sin;
- rq.rq_ip = *(struct sockaddr *) &ipdst;
+ rq.rq_ns = addreq.ifra_addr;
+ rq.rq_ip = addreq.ifra_dstaddr;
if (setsockopt(s, 0, SO_NSIP_ROUTE, &rq, size) < 0)
Perror("Encapsulation Routing");
- setaddr = 0;
}
- if (setaddr) {
- ifr.ifr_addr = *(struct sockaddr *) &sin;
- if (ioctl(s, SIOCSIFADDR, (caddr_t)&ifr) < 0)
- Perror("ioctl (SIOCSIFADDR)");
+ 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
+ Perror("ioctl (SIOCDIFADDR)");
+ }
}
- if (setbroadaddr) {
- ifr.ifr_addr = *(struct sockaddr *)&broadaddr;
- if (ioctl(s, SIOCSIFBRDADDR, (caddr_t)&ifr) < 0)
- Perror("ioctl (SIOCSIFBRDADDR)");
+ if (newaddr) {
+ strncpy(rafp->af_addreq, name, sizeof ifr.ifr_name);
+ if (ioctl(s, rafp->af_aifaddr, rafp->af_addreq) < 0)
+ Perror("ioctl (SIOCAIFADDR)");
}
exit(0);
}
+#define RIDADDR 0
+#define ADDR 1
+#define MASK 2
+#define DSTADDR 3
/*ARGSUSED*/
setifaddr(addr, param)
* and the flags may change when the address is set.
*/
setaddr++;
- (*afp->af_getaddr)(addr, &sin);
+ if (doalias == 0)
+ clearaddr = 1;
+ (*afp->af_getaddr)(addr, (doalias >= 0 ? ADDR : RIDADDR));
}
setifnetmask(addr)
char *addr;
{
- in_getaddr(addr, &netmask);
- setmask++;
+ (*afp->af_getaddr)(addr, MASK);
}
setifbroadaddr(addr)
char *addr;
{
- (*afp->af_getaddr)(addr, &broadaddr);
- setbroadaddr++;
+ (*afp->af_getaddr)(addr, DSTADDR);
}
setifipdst(addr)
char *addr;
{
- in_getaddr(addr, &ipdst);
+ in_getaddr(addr, DSTADDR);
setipdst++;
+ clearaddr = 0;
+ newaddr = 0;
+}
+#define rqtosa(x) (&(((struct ifreq *)(afp->x))->ifr_addr))
+/*ARGSUSED*/
+notealias(addr, param)
+ char *addr;
+{
+ if (setaddr && doalias == 0 && param < 0)
+ bcopy((caddr_t)rqtosa(af_addreq),
+ (caddr_t)rqtosa(af_ridreq),
+ rqtosa(af_addreq)->sa_len);
+ doalias = param;
+ if (param < 0) {
+ clearaddr = 1;
+ newaddr = 0;
+ } else
+ clearaddr = 0;
}
/*ARGSUSED*/
char *addr;
int param;
{
-
- (*afp->af_getaddr)(addr, &ifr.ifr_addr);
- if (ioctl(s, SIOCSIFDSTADDR, (caddr_t)&ifr) < 0)
- Perror("ioctl (SIOCSIFDSTADDR)");
+ (*afp->af_getaddr)(addr, DSTADDR);
}
setifflags(vname, value)
perror("ioctl (set metric)");
}
+setsnpaoffset(val)
+ char *val;
+{
+ iso_addreq.ifra_snpaoffset = atoi(val);
+}
+
#define IFFBITS \
"\020\1UP\2BROADCAST\3DEBUG\4LOOPBACK\5POINTOPOINT\6NOTRAILERS\7RUNNING\10NOARP\
"
close(s);
s = socket(AF_NS, SOCK_DGRAM, 0);
if (s < 0) {
- if (errno == EAFNOSUPPORT)
+ if (errno == EPROTONOSUPPORT)
return;
perror("ifconfig: socket");
exit(1);
putchar('\n');
}
+iso_status(force)
+ int force;
+{
+ struct sockaddr_iso *siso;
+ struct iso_ifreq ifr;
+
+ close(s);
+ s = socket(AF_ISO, SOCK_DGRAM, 0);
+ if (s < 0) {
+ if (errno == EPROTONOSUPPORT)
+ return;
+ perror("ifconfig: socket");
+ exit(1);
+ }
+ if (ioctl(s, SIOCGIFADDR, (caddr_t)&ifr) < 0) {
+ if (errno == EADDRNOTAVAIL || errno == EAFNOSUPPORT) {
+ if (!force)
+ return;
+ bzero((char *)&ifr.ifr_Addr, sizeof(ifr.ifr_Addr));
+ } else
+ perror("ioctl (SIOCGIFADDR)");
+ }
+ 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, (caddr_t)&ifr) < 0) {
+ if (errno != EADDRNOTAVAIL)
+ perror("ioctl (SIOCGIFNETMASK)");
+ } else {
+ printf("\n netmask %s ", iso_ntoa(siso->siso_addr));
+ }
+ if (flags & IFF_POINTOPOINT) {
+ if (ioctl(s, SIOCGIFDSTADDR, (caddr_t)&ifr) < 0) {
+ if (errno == EADDRNOTAVAIL)
+ bzero((char *)&ifr.ifr_Addr, sizeof(ifr.ifr_Addr));
+ else
+ Perror("ioctl (SIOCGIFDSTADDR)");
+ }
+ strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
+ siso = &ifr.ifr_Addr;
+ printf("--> %s ", iso_ntoa(siso->siso_addr));
+ }
+ putchar('\n');
+}
+
Perror(cmd)
char *cmd;
{
struct in_addr inet_makeaddr();
-in_getaddr(s, saddr)
+#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)};
+
+in_getaddr(s, which)
char *s;
- struct sockaddr *saddr;
{
- register struct sockaddr_in *sin = (struct sockaddr_in *)saddr;
+ register struct sockaddr_in *sin = sintab[which];
struct hostent *hp;
struct netent *np;
int val;
- sin->sin_family = AF_INET;
- val = inet_addr(s);
- if (val != -1) {
+ 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;
- return;
- }
- hp = gethostbyname(s);
- if (hp) {
- sin->sin_family = hp->h_addrtype;
+ else if (hp = gethostbyname(s))
bcopy(hp->h_addr, (char *)&sin->sin_addr, hp->h_length);
- return;
- }
- np = getnetbyname(s);
- if (np) {
- sin->sin_family = np->n_addrtype;
+ else if (np = getnetbyname(s))
sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY);
- return;
+ else {
+ fprintf(stderr, "%s: bad value\n", s);
+ exit(1);
}
- fprintf(stderr, "%s: bad value\n", s);
- exit(1);
}
/*
}
}
-xns_getaddr(addr, saddr)
+#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)};
+
+xns_getaddr(addr, which)
char *addr;
-struct sockaddr *saddr;
{
- struct sockaddr_ns *sns = (struct sockaddr_ns *)saddr;
+ 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)};
+
+iso_getaddr(addr, which)
+char *addr;
+{
+ 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_family = AF_ISO;
+ siso->siso_len = sizeof(*siso);
+ }
}