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Bug#165373: marked as done (libc6: cannot login using ssh)



Your message dated Sun, 20 Oct 2002 15:16:25 +0900
with message-id <80n0p9vdmu.wl@oris.opensource.jp>
and subject line Bug#165373: libc6: cannot login using ssh
has caused the attached Bug report to be marked as done.

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Date: Fri, 18 Oct 2002 17:55:59 +0200 (CEST)
From: Arthur de Jong <arthur@tiefighter.et.tudelft.nl>
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Subject: libc6: cannot login using ssh
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Subject: libc6: cannot login using ssh
Package: libc6
Version: 2.3.1-1
Severity: normal
Tags: sid

This problem is introduced when using libc6_2.3.1-1_i386.deb, when reinstalling
libc6_2.2.5-15_i386.deb the problem goes away.

When I try to login from a remote (woody) host to a sid host:
% ssh spiritus
Connection to spiritus closed by remote host.
Connection to spiritus closed.

The relevant output of ssh -v spiritus (spiritus runs sid):
...
debug1: try pubkey: /home/arthur/.ssh/id_rsa
debug1: input_userauth_pk_ok: pkalg ssh-rsa blen 149 lastkey 0x80918b0 hint 0
debug1: read PEM private key done: type RSA
debug1: ssh-userauth2 successful: method publickey
debug1: channel 0: new [client-session]
debug1: send channel open 0
debug1: Entering interactive session.
debug1: channel_free: channel 0: client-session, nchannels 1
Connection to spiritus closed by remote host.
Connection to spiritus closed.
debug1: Transferred: stdin 0, stdout 0, stderr 79 bytes in 0.0 seconds
debug1: Bytes per second: stdin 0.0, stdout 0.0, stderr 8319.2
debug1: Exit status -1

So I successfully autheticate using ssh keys and when the session is started something
bums out. On the target (spiritus/sid) machine I get in /var/log/auth.log:

Oct 18 12:54:25 spiritus sshd[14571]: Could not reverse map address 192.168.12.1.
Oct 18 12:54:25 spiritus sshd[14571]: PAM rejected by account configuration[9]:  Authentication service cannot retrieve authentication info.
Oct 18 12:54:25 spiritus sshd[14571]: fatal: monitor_read: unsupported request: 24

The first is also strange since 'dig -x 192.168.12.1' produces the
expected results. If I use libc6_2.2.5-15_i386.deb I get:

Oct 18 13:01:44 spiritus sshd[14886]: Accepted publickey for arthur from 192.168.12.1 port 3947 ssh2
Oct 18 13:01:44 spiritus ssh(pam_unix)[14888]: session opened for user arthur by (uid=1000)

and I get a session.

My /etc/nsswitch.conf:
passwd:         files ldap
group:          files ldap
shadow:         files ldap
hosts:          files dns
networks:       files
protocols:      db files
services:       db files
ethers:         db files
rpc:            db files

netgroup:       nis

my /etc/resolv.conf:
search thuis.net
nameserver 192.168.12.1

my /etc/pam.d/ssh:
#%PAM-1.0
auth       required     pam_nologin.so
auth       required     pam_unix.so
auth       required     pam_env.so # [1]
account    required     pam_unix.so
session    required     pam_unix.so
session    optional     pam_lastlog.so # [1]
session    optional     pam_motd.so # [1]
session    optional     pam_mail.so standard noenv # [1]
session    required     pam_limits.so
password   required     pam_unix.so

The user that I try to login as has an account in /etc/passwd.

The versions of pam (libpam-modules, libpam-runtime, libpam0g) I tried this with are:
0.76-3, 0.76-4, 0.76-5 and 0.76-6. All these versions fail.

-- System Information:
Debian Release: testing/unstable
Architecture: i386
Kernel: Linux spiritus 2.4.18 #10 Sun May 12 22:32:47 CEST 2002 i686
Locale: LANG=C, LC_CTYPE=

Versions of packages libc6 depends on:
ii  libdb1-compat                 2.1.3-6    The Berkeley database routines [gl

-- no debconf information

-- arthur - arthur@tiefighter.et.tudelft.nl - http://tiefighter.et.tudelft.nl/~arthur --


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Received: (at 165373-done) by bugs.debian.org; 20 Oct 2002 06:16:27 +0000
>From gotom@debian.or.jp Sun Oct 20 01:16:26 2002
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Date: Sun, 20 Oct 2002 15:16:25 +0900
Message-ID: <80n0p9vdmu.wl@oris.opensource.jp>
From: GOTO Masanori <gotom@debian.or.jp>
To: Arthur de Jong <arthur@tiefighter.et.tudelft.nl>,
	165373-done@bugs.debian.org
Cc: Jeff Bailey <jbailey@nisa.net>
Subject: Re: Bug#165373: libc6: cannot login using ssh
In-Reply-To: <20021018165229.GA11215@nisa.net>
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	<20021018165229.GA11215@nisa.net>
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At Fri, 18 Oct 2002 09:52:29 -0700,
Jeff Bailey wrote:
> On Fri, Oct 18, 2002 at 05:55:59PM +0200, Arthur de Jong wrote:
> 
> > This problem is introduced when using libc6_2.3.1-1_i386.deb, when
> > reinstalling libc6_2.2.5-15_i386.deb the problem goes away.
> 
> This is a known problem, 2.3.1-2 will contain the right warning.
> Restart sshd (and anything else that does NSS lookups) after upgrading
> glibc and you'll be fine.

glibc 2.3.1-2 is released. I close this bug.

Regards,
-- gotom



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