From e3aed302321145d529c56b0e1bfa93e1bfa4ce80 Mon Sep 17 00:00:00 2001
From: wosch <wosch@FreeBSD.org>
Date: Wed, 8 Apr 1998 18:31:59 +0000
Subject: New mount option nosymfollow. If enabled, the kernel lookup()
 function will not follow symbolic links on the mounted file system and return
 EACCES (Permission denied).

---
 sbin/mount/mntopts.h | 4 +++-
 sbin/mount/mount.8   | 5 ++++-
 sbin/mount/mount.c   | 5 ++++-
 3 files changed, 11 insertions(+), 3 deletions(-)

(limited to 'sbin/mount')

diff --git a/sbin/mount/mntopts.h b/sbin/mount/mntopts.h
index d9402cf..e78518a 100644
--- a/sbin/mount/mntopts.h
+++ b/sbin/mount/mntopts.h
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)mntopts.h	8.7 (Berkeley) 3/29/95
- *	$Id: mntopts.h,v 1.11 1997/09/27 13:44:08 kato Exp $
+ *	$Id: mntopts.h,v 1.12 1997/11/13 00:28:48 julian Exp $
  */
 
 struct mntopt {
@@ -47,6 +47,7 @@ struct mntopt {
 #define MOPT_NODEV		{ "dev",	1, MNT_NODEV, 0 }
 #define MOPT_NOEXEC		{ "exec",	1, MNT_NOEXEC, 0 }
 #define MOPT_NOSUID		{ "suid",	1, MNT_NOSUID, 0 }
+#define MOPT_NOSYMFOLLOW	{ "symfollow",  1, MNT_NOSYMFOLLOW, 0 }
 #define MOPT_RDONLY		{ "rdonly",	0, MNT_RDONLY, 0 }
 #define MOPT_SYNC		{ "sync",	0, MNT_SYNCHRONOUS, 0 }
 #define MOPT_UNION		{ "union",	0, MNT_UNION, 0 }
@@ -80,6 +81,7 @@ struct mntopt {
 	MOPT_NOEXEC,							\
 	MOPT_SUIDDIR,		/* must be before MOPT_NOSUID */	\
 	MOPT_NOSUID,							\
+	MOPT_NOSYMFOLLOW,						\
 	MOPT_RDONLY,							\
 	MOPT_UNION,							\
 	MOPT_NOCLUSTERR,						\
diff --git a/sbin/mount/mount.8 b/sbin/mount/mount.8
index c62e214..7c9c36e 100644
--- a/sbin/mount/mount.8
+++ b/sbin/mount/mount.8
@@ -30,7 +30,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     @(#)mount.8	8.8 (Berkeley) 6/16/94
-.\"	$Id: mount.8,v 1.20 1997/11/13 00:28:49 julian Exp $
+.\"	$Id: mount.8,v 1.21 1997/12/01 00:44:16 steve Exp $
 .\"
 .Dd June 16, 1994
 .Dt MOUNT 8
@@ -146,6 +146,9 @@ Note: this option is worthless if a public available suid or sgid
 wrapper like
 .Xr suidperl 1
 is installed on your system.
+.It nosymfollow
+Do not follow symlinks
+on the mounted file system.
 .It rdonly
 The same as
 .Fl r ;
diff --git a/sbin/mount/mount.c b/sbin/mount/mount.c
index be4b75a..00fc842 100644
--- a/sbin/mount/mount.c
+++ b/sbin/mount/mount.c
@@ -42,7 +42,7 @@ static const char copyright[] =
 static char sccsid[] = "@(#)mount.c	8.25 (Berkeley) 5/8/95";
 #else
 static const char rcsid[] =
-	"$Id: mount.c,v 1.23 1998/03/08 09:56:02 julian Exp $";
+	"$Id: mount.c,v 1.24 1998/03/27 10:52:13 peter Exp $";
 #endif
 #endif /* not lint */
 
@@ -91,6 +91,7 @@ static struct opt {
 	{ MNT_NODEV,		"nodev" },
 	{ MNT_NOEXEC,		"noexec" },
 	{ MNT_NOSUID,		"nosuid" },
+	{ MNT_NOSYMFOLLOW,	"nosymfollow" },
 	{ MNT_QUOTA,		"with quotas" },
 	{ MNT_RDONLY,		"read-only" },
 	{ MNT_SYNCHRONOUS,	"synchronous" },
@@ -607,6 +608,8 @@ putfsent(ent)
 		printf(",noclusterr");
 	if (ent->f_flags & MNT_NOCLUSTERW)
 		printf(",noclusterw");
+	if (ent->f_flags & MNT_NOSYMFOLLOW)
+		printf (",nosymfollow");
 	if (ent->f_flags & MNT_SUIDDIR)
 		printf(",suiddir");
 
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