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From: "Lorenz Bucher" <Lorenz.Bucher@gmx.de>
To: "Jeff Layton" <jlayton@samba.org>
Cc: sfrench@samba.org, linux-cifs@vger.kernel.org,
        samba-technical@lists.samba.org, linux-kernel@vger.kernel.org
Subject: Aw: Re: [PATCH] cifs: connect: added option krb5mi which may allow
 package signing
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Date: Thu, 27 Feb 2014 10:13:14 +0100
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Gesendet: Mittwoch, 26. Februar 2014 um 21:26 Uhr
Von: "Jeff Layton" <jlayton@samba.org>
An: "Lorenz Bucher" <Lorenz.Bucher@gmx.de>
Cc: sfrench@samba.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-kernel@vger.kernel.org
Betreff: Re: [PATCH] cifs: connect: added option krb5mi which may allow package signing
On Wed, 26 Feb 2014 14:46:47 +0100
"Lorenz Bucher" <Lorenz.Bucher@gmx.de> wrote:

> Solves an issue with dfs where servers using package signing are
> mixed with servers which don't use package signing.
>
> Signed-off-by: Lorenz Bucher <lorenz.bucher@gmx.de>
> ---
> fs/cifs/connect.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
> index 56c152d..9d06dd8 100644
> --- a/fs/cifs/connect.c
> +++ b/fs/cifs/connect.c
> @@ -1104,6 +1104,9 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
> if (!value || !*value) {
> cERROR(1, "no security value specified");
> continue;
> + } else if (strnicmp(value, "krb5mi", 6) == 0) {
> + vol->secFlg |= CIFSSEC_MAY_KRB5 |
> + CIFSSEC_MAY_SIGN;
> } else if (strnicmp(value, "krb5i", 5) == 0) {
> vol->secFlg |= CIFSSEC_MAY_KRB5 |
> CIFSSEC_MUST_SIGN;

This looks like it applies to a really old kernel. I think that problem
was what commit 0b7bc84000d71f3647ca33ab1bf5bd928535c846 was intended
to fix.

--
Jeff Layton <jlayton@samba.org>

Its the current kernel from LTS Ubuntu 12.04
3.2.0-59-generic #90-Ubuntu SMP Tue Jan 7 22:43:51 UTC 2014

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