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Date:      Mon, 24 Sep 2007 09:29:08 -0400
From:      Victor Star <freebsd@victorstar.com>
To:        Richard Arends <richard@unixguru.nl>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: in openpam_load_module(): no pam_unix.so found
Message-ID:  <63456181.20070924092908@victorstar.com>
In-Reply-To: <20070924063127.GB37371@shell.unixguru.nl>
References:  <762964378.20070923221850@victorstar.com> <20070924063127.GB37371@shell.unixguru.nl>

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Hi Richard,

First of all thank you guys for replying!
Here is the output of ldd:
==- 8< -========================================================================
fireball# ldd /usr/lib/pam_unix.so
/usr/lib/pam_unix.so:
        libutil.so.5 => /lib/libutil.so.5 (0x28167000)
        libcrypt.so.3 => /lib/libcrypt.so.3 (0x28173000)
        libypclnt.so.2 => /usr/lib/libypclnt.so.2 (0x2818b000)
        libpam.so.3 => /usr/lib/libpam.so.3 (0x2818f000)
fireball# ldd /usr/lib/pam_unix.so.3
/usr/lib/pam_unix.so.3:
        libutil.so.5 => /lib/libutil.so.5 (0x28167000)
        libcrypt.so.3 => /lib/libcrypt.so.3 (0x28173000)
        libypclnt.so.2 => /usr/lib/libypclnt.so.2 (0x2818b000)
        libpam.so.3 => /usr/lib/libpam.so.3 (0x2818f000)

==- 8< -========================================================================

As for when it stopped working - the first thing I did is trying to recall if I updated any ports.
I've even went so far as looking for all files in /usr/ modified within the date range, but no,
nothing.

I did update php5 couple days before that. But it still worked for about two days after that.
And I don't have apache/php opened to outside anyway. Just mail ports and ssh on high port (closed
it for now for just in case anyway).

Victor

>> ====- 8< -===================================================
>> su: in openpam_load_module(): no pam_unix.so found
>> su: pam_start: system error
>> ====- 8< -===================================================
>> 
>> pam_unix.so is in /usr/lib:
>> ====- 8< -===================================================
>> # ls -l /usr/lib/pam_unix*
>> lrwxr-xr-x  1 root  wheel     13 Sep 25  2006 /usr/lib/pam_unix.so -> pam_unix.so.3
>> -r--r--r--  1 root  wheel  10240 Feb 19  2007 /usr/lib/pam_unix.so.3
>> # file /usr/lib/pam_unix.so
>> /usr/lib/pam_unix.so: symbolic link to `pam_unix.so.3'
>> ====- 8< -===================================================

> First, this is how a problem should be described, great work.

> When openpam can't load a module, it also print's the 'not found' message.
> With 'ldd /usr/lib/pam_unix.so.3' you can see if all the libraries that
> it needs are in place. On my systems it give's the following output:

> $ ldd /usr/lib/pam_unix.so.3 
> /usr/lib/pam_unix.so.3:
>         libutil.so.5 => /lib/libutil.so.5 (0x28169000)
>         libcrypt.so.3 => /lib/libcrypt.so.3 (0x28175000)
>         libypclnt.so.2 => /usr/lib/libypclnt.so.2 (0x2818d000)
>         libpam.so.3 => /usr/lib/libpam.so.3 (0x28191000)

>> ====- 8< -===================================================
>> Sep 18 11:11:37 xxxxxx su: BAD SU <myloginname> to root on /dev/ttyp3
>> Sep 18 11:13:46 xxxxxx sshd[45047]: Bad protocol version identification '\377\364\377\375\006quit' from <some ip here>
>> Sep 18 11:15:08 xxxxxx sshd[45056]: Received disconnect from <some ip here>: 2: Bad packet length 710099706.
>> ====- 8< -===================================================

> The first line is probably the result of the broken pam_unix.so, the
> other two lines look to me as ssh bruteforce attacks.

> But, when did it stopped working. Did you tried to update the world or something like that?



-- 
Best regards,
 Victor                          




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