Remove the -I option, even if the ioctls for manipulating a default

interface are defined, nothing use it in the kernel since the on-link
assumption behavior removal back in 2004.

ok mikeb@, bluhm@, florian@

2 files changed, 4 insertions, 94 deletions

diff --git a/usr.sbin/ndp/ndp.8 b/usr.sbin/ndp/ndp.8
index 942303774ca..f3a59a414a5 100644
--- a/usr.sbin/ndp/ndp.8
+++ b/usr.sbin/ndp/ndp.8
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: ndp.8,v 1.28 2011/04/23 10:14:59 sobrado Exp $
+.\"	$OpenBSD: ndp.8,v 1.29 2013/03/11 14:02:37 mpi Exp $
 .\"	$KAME: ndp.8,v 1.28 2002/07/17 08:46:33 itojun Exp $
 .\"
 .\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -28,7 +28,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: April 23 2011 $
+.Dd $Mdocdate: March 11 2013 $
 .Dt NDP 8
 .Os
 .\"
@@ -45,7 +45,6 @@
 .Op Fl A Ar wait
 .Op Fl d Ar hostname
 .Op Fl f Ar filename
-.Op Fl I Op Ar interface | Ic delete
 .Op Fl i Ar interface Op Ar flag ...
 .Op Fl s Ar nodename etheraddr Oo Ic temp Oc Op Ic proxy
 .Op Ar hostname
@@ -123,15 +122,6 @@ Parse the file specified by
 .It Fl H
 Harmonize consistency between the routing table and the default router
 list; install the top entry of the list into the kernel routing table.
-.It Fl I
-Shows the default interface used as the default route when
-there is no default router.
-.It Fl I Ar interface
-Specifies the default
-.Ar interface
-to be used when there is no interface specified even though required.
-.It Fl I Ic delete
-The current default interface will be deleted from the kernel.
 .It Fl i Ar interface Op Ar flag ...
 View ND information for the specified interface.
 If additional arguments are given,
diff --git a/usr.sbin/ndp/ndp.c b/usr.sbin/ndp/ndp.c
index 965c6559ee0..5fb2db7cd29 100644
--- a/usr.sbin/ndp/ndp.c
+++ b/usr.sbin/ndp/ndp.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ndp.c,v 1.45 2009/06/25 15:44:43 claudio Exp $	*/
+/*	$OpenBSD: ndp.c,v 1.46 2013/03/11 14:02:37 mpi Exp $	*/
 /*	$KAME: ndp.c,v 1.101 2002/07/17 08:46:33 itojun Exp $	*/
 
 /*
@@ -141,10 +141,6 @@ void pfx_flush(void);
 void rtrlist(void);
 void rtr_flush(void);
 void harmonize_rtr(void);
-#ifdef SIOCSDEFIFACE_IN6	/* XXX: check SIOCGDEFIFACE_IN6 as well? */
-static void getdefif(void);
-static void setdefif(char *);
-#endif
 static char *sec2str(time_t);
 static char *ether_str(struct sockaddr_dl *);
 static void ts_print(const struct timeval *);
@@ -168,7 +164,7 @@ main(int argc, char *argv[])
 
 	pid = getpid();
 	thiszone = gmt2local(0);
-	while ((ch = getopt(argc, argv, "acd:f:Ii:nprstA:HPR")) != -1)
+	while ((ch = getopt(argc, argv, "acd:f:i:nprstA:HPR")) != -1)
 		switch (ch) {
 		case 'a':
 		case 'c':
@@ -178,7 +174,6 @@ main(int argc, char *argv[])
 		case 'P':
 		case 'R':
 		case 's':
-		case 'I':
 			if (mode) {
 				usage();
 				/*NOTREACHED*/
@@ -237,24 +232,6 @@ main(int argc, char *argv[])
 		}
 		delete(arg);
 		break;
-	case 'I':
-#ifdef SIOCSDEFIFACE_IN6	/* XXX: check SIOCGDEFIFACE_IN6 as well? */
-		if (argc > 1) {
-			usage();
-			/*NOTREACHED*/
-		} else if (argc == 1) {
-			if (strcmp(*argv, "delete") == 0 ||
-			    if_nametoindex(*argv))
-				setdefif(*argv);
-			else
-				errx(1, "invalid interface %s", *argv);
-		}
-		getdefif(); /* always call it to print the result */
-		break;
-#else
-		errx(1, "not supported yet");
-		/*NOTREACHED*/
-#endif
 	case 'p':
 		if (argc != 0) {
 			usage();
@@ -829,9 +806,6 @@ usage(void)
 	printf("usage: ndp [-nrt] [-a | -c | -p] [-H | -P | -R] ");
 	printf("[-A wait] [-d hostname]\n");
 	printf("\t[-f filename] ");
-#ifdef SIOCSDEFIFACE_IN6
-	printf("[-I [interface | delete]] ");
-#endif
 	printf("[-i interface [flag ...]]\n");
 	printf("\t[-s nodename etheraddr [temp] [proxy]] [hostname]\n");
 	exit(1);
@@ -1447,60 +1421,6 @@ harmonize_rtr(void)
 	close(s);
 }
 
-#ifdef SIOCSDEFIFACE_IN6	/* XXX: check SIOCGDEFIFACE_IN6 as well? */
-static void
-setdefif(char *ifname)
-{
-	struct in6_ndifreq ndifreq;
-	unsigned int ifindex;
-
-	if (strcasecmp(ifname, "delete") == 0)
-		ifindex = 0;
-	else {
-		if ((ifindex = if_nametoindex(ifname)) == 0)
-			err(1, "failed to resolve i/f index for %s", ifname);
-	}
-
-	if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
-		err(1, "socket");
-
-	strlcpy(ndifreq.ifname, "lo0", sizeof(ndifreq.ifname)); /* dummy */
-	ndifreq.ifindex = ifindex;
-
-	if (ioctl(s, SIOCSDEFIFACE_IN6, (caddr_t)&ndifreq) < 0)
-		err(1, "ioctl(SIOCSDEFIFACE_IN6)");
-
-	close(s);
-}
-
-static void
-getdefif(void)
-{
-	struct in6_ndifreq ndifreq;
-	char ifname[IFNAMSIZ+8];
-
-	if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
-		err(1, "socket");
-
-	memset(&ndifreq, 0, sizeof(ndifreq));
-	strlcpy(ndifreq.ifname, "lo0", sizeof(ndifreq.ifname)); /* dummy */
-
-	if (ioctl(s, SIOCGDEFIFACE_IN6, (caddr_t)&ndifreq) < 0)
-		err(1, "ioctl(SIOCGDEFIFACE_IN6)");
-
-	if (ndifreq.ifindex == 0)
-		printf("No default interface.\n");
-	else {
-		if ((if_indextoname(ndifreq.ifindex, ifname)) == NULL)
-			err(1, "failed to resolve ifname for index %lu",
-			    ndifreq.ifindex);
-		printf("ND default interface = %s\n", ifname);
-	}
-
-	close(s);
-}
-#endif
-
 static char *
 sec2str(time_t total)
 {