From: millert <millert@openbsd.org>
Date: Sat, 22 Feb 1997 08:32:52 +0000 (+0000)
Subject: update to lite2 -- note restriction when securelevel > 0
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=784af091ae47544393ddbdd703189f8e2bee5430;p=openbsd

update to lite2 -- note restriction when securelevel > 0
---

diff --git a/lib/libc/sys/gettimeofday.2 b/lib/libc/sys/gettimeofday.2
index b7a6936cbd2..b8348fa1b3f 100644
--- a/lib/libc/sys/gettimeofday.2
+++ b/lib/libc/sys/gettimeofday.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: gettimeofday.2,v 1.3 1997/01/15 05:27:55 millert Exp $
+.\"	$OpenBSD: gettimeofday.2,v 1.4 1997/02/22 08:32:52 millert Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -31,9 +31,9 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"     @(#)gettimeofday.2	8.1 (Berkeley) 6/4/93
+.\"     @(#)gettimeofday.2	8.2 (Berkeley) 5/26/95
 .\"
-.Dd June 4, 1993
+.Dd May 26, 1995
 .Dt GETTIMEOFDAY 2
 .Os BSD 4
 .Sh NAME
@@ -96,6 +96,14 @@ Daylight Saving time applies locally during
 the appropriate part of the year.
 .Pp
 Only the super-user may set the time of day or time zone.
+If the system is running in secure mode (see
+.Xr init 8 ),
+the time may only be advanced.
+This limitation is imposed to prevent a malicious super-user
+from setting arbitrary time stamps on files.
+The system time can still be adjusted backwards using the
+.Xr adjtime 2
+system call even when the system is secure.
 .Sh RETURN
 A 0 return value indicates that the call succeeded.
 A -1 return value indicates an error occurred, and in this
@@ -104,7 +112,7 @@ case an error code is stored into the global variable
 .Sh ERRORS
 The following error codes may be set in
 .Va errno :
-.Bl -tag -width Er
+.Bl -tag -width [EFAULT]
 .It Bq Er EFAULT
 An argument address referenced invalid memory.
 .It Bq Er EPERM