Bug ID:124310 - finger bug or sshd bug?
R Deepak
rdeepak at lantana.tenet.res.in
Tue Jun 8 10:53:12 UTC 2004
Greetings!
Hope ths is the right place to post this... Or maybe I should do it on
bugzilla.
Anyway..
With Reference to Bug ID: 124310
Assigned To: pknirsch at redhat.com
Summary: finger reports incorrect idle times
This is an sshd problem. Not a finger bug.
There is a solution described here:
http://archive.netbsd.se/?list=openssh-bugs&a=2004-04&mid=188151
--------------
Subject: [Bug 855] doesn't properly log logout event in utmp entry when pts
From: bugzilla-daemon(-at-)mindrot.org
Id:<20040428231648.BC0BF27C189 at shitei.mindrot.org>
Date: Thu, 29 Apr 2004 09:16:48 +1000 (EST)
http://bugzilla.mindrot.org/show_bug.cgi?id=855
Summary: doesn't properly log logout event in utmp entry when pts
bigger than 999
Product: Portable OpenSSH
Version: 3.8p1
Platform: All
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: sshd
AssignedTo: openssh-bugs at mindrot.org
ReportedBy: arekm at pld-linux.org
The problem is:
syslogin_perform_logout() uses char line[8]; so tty name can have max 7
characters which is not common on recent linux 2.6.5 (and higher) systems
which
do not use first free pts number (see http://testing.lkml.org/slashdot.php?
mid=465538 if you are really interested).
Due to that there are bad entries in utmp left like:
misiek pts/1049 192.168.2.2 Thu Apr 29 01:11 gone - no logout
misiek pts/1046 192.168.2.2 Thu Apr 29 01:05 gone - no logout
misiek pts/1045 192.168.2.2 Thu Apr 29 01:05 gone - no logout
misiek pts/1044 192.168.2.2 Thu Apr 29 01:04 gone - no logout
Patch to fix issue:
diff -urN openssh-3.8p1.org/loginrec.c openssh-3.8p1/loginrec.c
--- openssh-3.8p1.org/loginrec.c 2004-04-29 01:06:46.350105456 +0200
+++ openssh-3.8p1/loginrec.c 2004-04-29 01:07:37.357351176 +0200
@@ -1354,7 +1354,7 @@
syslogin_perform_logout(struct logininfo *li)
{
# ifdef HAVE_LOGOUT
- char line[8];
+ char line[LINFO_LINESIZE];
(void)line_stripname(line, li->line, sizeof(line));
----------------
Please fix! :)
Thanks and Regards
Deepak
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