Use mount protocol version 3 by default for showmount and umount.

mount_nfs effectively uses mount protocol v3 by default already.
v1 mount protocol is being removed along with nfsv2 by a high profile NFS
appliance vendor and our legacy v1 mount protocol usage causes rpc errors.

2 files changed, 10 insertions, 6 deletions

diff --git a/usr.bin/showmount/showmount.8 b/usr.bin/showmount/showmount.8
index f49df8437f6a..106b1a18c2bb 100644
--- a/usr.bin/showmount/showmount.8
+++ b/usr.bin/showmount/showmount.8
@@ -31,7 +31,7 @@
 .\"     @(#)showmount.8	8.3 (Berkeley) 3/29/95
 .\" $FreeBSD$
 .\"
-.Dd March 29, 1995
+.Dd August 16, 2014
 .Dt SHOWMOUNT 8
 .Os
 .Sh NAME
@@ -41,6 +41,7 @@
 .Nm
 .Op Fl a | d
 .Op Fl e
+.Op Fl 1
 .Op Fl 3
 .Op Ar host
 .Sh DESCRIPTION
@@ -76,10 +77,10 @@ List directory paths of mount points instead of hosts.
 Show the
 .Ar host Ns 's
 exports list.
+.It Fl 1
+Use mount protocol Version 1, compatible with legacy servers.
 .It Fl 3
-Use mount protocol Version 3, compatible with
-.Tn NFS
-Version 3.
+Ignored for backwards compatibility.
 .El
 .Sh SEE ALSO
 .Xr mount 8 ,
diff --git a/usr.bin/showmount/showmount.c b/usr.bin/showmount/showmount.c
index 263525066800..d0da5705064c 100644
--- a/usr.bin/showmount/showmount.c
+++ b/usr.bin/showmount/showmount.c
@@ -110,11 +110,11 @@ main(int argc, char **argv)
 {
 	register struct exportslist *exp;
 	register struct grouplist *grp;
-	register int rpcs = 0, mntvers = 1;
+	register int rpcs = 0, mntvers = 3;
 	const char *host;
 	int ch, estat;
 
-	while ((ch = getopt(argc, argv, "ade3")) != -1)
+	while ((ch = getopt(argc, argv, "ade13")) != -1)
 		switch (ch) {
 		case 'a':
 			if (type == 0) {
@@ -133,6 +133,9 @@ main(int argc, char **argv)
 		case 'e':
 			rpcs |= DOEXPORTS;
 			break;
+		case '1':
+			mntvers = 1;
+			break;
 		case '3':
 			mntvers = 3;
 			break;