linux-kernel - Re: [RFQ PATCH] cifs: Change default security error message

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Message-ID: <CAH2r5mvWo_NjV_wCx=Pd0D5VZbWVxsy-31z9r-vh=ioPwe3AqQ@mail.gmail.com>
Date:	Thu, 29 Nov 2012 12:54:41 -0600
From:	Steve French <smfrench@...il.com>
To:	Jeff Layton <jlayton@...hat.com>
Cc:	Jesper Nilsson <jesper.nilsson@...s.com>,
	linux-cifs@...r.kernel.org, sfrench@...ba.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFQ PATCH] cifs: Change default security error message

On Thu, Nov 29, 2012 at 12:25 PM, Jeff Layton <jlayton@...hat.com> wrote:
> On Thu, 29 Nov 2012 18:30:53 +0100
> Jesper Nilsson <jesper.nilsson@...s.com> wrote:
>
>> Hi!
>>
>> Connecting with a default security mechanism prompts an KERN_ERROR
>> output warning to the user that the default mechanism will be changed
>> in Linux 3.3.
>>
>> We're now at 3.7, so we either could remove the warning completely
>> (if the default has been changed), or we could bump the number to
>> what our current target for the change is.
>>
>>
>> The below patch changes the cERROR (which turns into a printk with KERN_ERROR)
>> into a straight printk with KERN_WARNING and changes the text to indicate
>> that it was changed in 3.3.
>>
>> I expect that the patch is incorrect and that we should choose
>> another of the alternative solutions above, but I'd like to get
>> some input on this.
>>
>> Not-Signed-off-by: Jesper Nilsson <jesper.nilsson@...s.com>
>> ---
>> diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
>> index c83f5b65..968456f 100644
>> --- a/fs/cifs/connect.c
>> +++ b/fs/cifs/connect.c
>> @@ -2480,9 +2480,9 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info)
>>       supported for many years, time to update default security mechanism */
>>       if ((volume_info->secFlg == 0) && warned_on_ntlm == false) {
>>               warned_on_ntlm = true;
>> -             cERROR(1, "default security mechanism requested.  The default "
>> -                     "security mechanism will be upgraded from ntlm to "
>> -                     "ntlmv2 in kernel release 3.3");
>> +             printk(KERN_WARNING "default security mechanism requested.  "
>> +                     "The default security mechanism was changed "
>> +                     " from ntlm to ntlmv2 in kernel release 3.3");
>>       }
>>       ses->overrideSecFlg = volume_info->secFlg;
>>
>>
>>
>> /^JN - Jesper Nilsson
>
> I think this warning has lived long enough and needs to go away. Steve
> supposedly has a patch that finally makes this change, but it hasn't
> been sent to the list yet... Steve?

It was posted to list on November 25th (and you even included it in
your git tree on samba.org ?!)

-- 
Thanks,

Steve
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