From owner-freebsd-bugs  Fri Oct 29 14:20: 8 1999
Delivered-To: freebsd-bugs@freebsd.org
Received: from freefall.freebsd.org (freefall.FreeBSD.ORG [204.216.27.21])
	by hub.freebsd.org (Postfix) with ESMTP id AAC7F15575
	for <freebsd-bugs@FreeBSD.org>; Fri, 29 Oct 1999 14:20:01 -0700 (PDT)
	(envelope-from gnats@FreeBSD.org)
Received: (from gnats@localhost)
	by freefall.freebsd.org (8.9.3/8.9.2) id OAA07815;
	Fri, 29 Oct 1999 14:20:00 -0700 (PDT)
	(envelope-from gnats@FreeBSD.org)
Received: from pluto.ipass.net (pluto.ipass.net [198.79.53.5])
	by hub.freebsd.org (Postfix) with ESMTP id 228711537B
	for <FreeBSD-gnats-submit@freebsd.org>; Fri, 29 Oct 1999 14:18:35 -0700 (PDT)
	(envelope-from rhh@ipass.net)
Received: from stealth.ipass.net. (ppp-4-78.dialup.rdu.ipass.net [209.170.134.78])
	by pluto.ipass.net (8.9.3/8.9.3) with ESMTP id RAA26201
	for <FreeBSD-gnats-submit@freebsd.org>; Fri, 29 Oct 1999 17:18:29 -0400 (EDT)
Received: (from rhh@localhost)
	by stealth.ipass.net. (8.9.3/8.8.8) id RAA01742;
	Fri, 29 Oct 1999 17:20:33 -0400 (EDT)
	(envelope-from rhh)
Message-Id: <199910292120.RAA01742@stealth.ipass.net.>
Date: Fri, 29 Oct 1999 17:20:33 -0400 (EDT)
From: aa8vb@ipass.net
Reply-To: aa8vb@ipass.net
To: FreeBSD-gnats-submit@freebsd.org
X-Send-Pr-Version: 3.2
Subject: kern/14602: struct utsname fields are allocated too small
Sender: owner-freebsd-bugs@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.org


>Number:         14602
>Category:       kern
>Synopsis:       struct utsname fields are allocated too small
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Fri Oct 29 14:20:00 PDT 1999
>Closed-Date:
>Last-Modified:
>Originator:     Randall Hopper
>Release:        FreeBSD 3.2-RELEASE i386
>Organization:
self
>Environment:

	Stock 3.2-RELEASE

>Description:

         The version string for FreeBSD is much longer than 32 characters:

               > uname -v
               FreeBSD 3.2-RELEASE #0: Mon Jun 28 16:45:38 EDT 1999
               rhh@stealth:/32_share/os/3.2/usr/src/sys/compile/WINCAST 

         but this can't be queried via uname() by cross-platform utilities,
         because of a small length definition in utsname.h:

	 /usr/include/sys/utsname.h:

              #define SYS_NMLN        32

              struct utsname {
                      ...
                      char    version[SYS_NMLN];      /* Version level. */
              };


         FWIW, on SGI IRIX:

	 /usr/include/sys/utsname.h:

               #define _SYS_NMLN       257  /* 4.0 size of utsname elements.*/
                                            /* Must be at least 257 to      */
                                            /* support Internet hostnames.  */

               struct utsname {
                       char    sysname[_SYS_NMLN];
                       char    nodename[_SYS_NMLN];
                       char    release[_SYS_NMLN];
                       char    version[_SYS_NMLN];


>How-To-Repeat:

	Query the FreeBSD version via uname(3) and observe the truncation.

>Fix:
	
	Please expand sys/utsname.h's SYS_NMLN to around 256.

        Thanks.

>Release-Note:
>Audit-Trail:
>Unformatted:


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-bugs" in the body of the message