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Mon, 1 Oct 2018 23:53:45 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:51136 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726251AbeJBDxo (ORCPT ); Mon, 1 Oct 2018 23:53:44 -0400 Received: from static-50-53-48-205.bvtn.or.frontiernet.net ([50.53.48.205] helo=[192.168.192.153]) by youngberry.canonical.com with esmtpsa (TLS1.0:DHE_RSA_AES_128_CBC_SHA1:16) (Exim 4.76) (envelope-from ) id 1g75Vu-0007ca-VH; Mon, 01 Oct 2018 21:13:59 +0000 Subject: Re: [PATCH security-next v3 08/29] LSM: Record LSM name in struct lsm_info To: Kees Cook , James Morris Cc: James Morris , Casey Schaufler , Tetsuo Handa , Paul Moore , Stephen Smalley , "Schaufler, Casey" , LSM , Jonathan Corbet , linux-doc@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org References: <20180925001832.18322-1-keescook@chromium.org> <20180925001832.18322-9-keescook@chromium.org> From: John Johansen Openpgp: preference=signencrypt Autocrypt: addr=john.johansen@canonical.com; 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Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20180925001832.18322-9-keescook@chromium.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/24/2018 05:18 PM, Kees Cook wrote: > In preparation for making LSM selections outside of the LSMs, include > the name of LSMs in struct lsm_info. > > Cc: James Morris > Signed-off-by: Kees Cook I'll leave this one until after the changes you have already discussed with Tetsuo around, END_LSM and .name > --- > include/linux/lsm_hooks.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h > index 02ec717189f9..543636f18152 100644 > --- a/include/linux/lsm_hooks.h > +++ b/include/linux/lsm_hooks.h > @@ -2040,16 +2040,20 @@ extern void security_add_hooks(struct security_hook_list *hooks, int count, > char *lsm); > > struct lsm_info { > + const char *name; /* Populated automatically. */ > int (*init)(void); > }; > > extern struct lsm_info __start_lsm_info[], __end_lsm_info[]; > > #define DEFINE_LSM(lsm) \ > + static const char __lsm_name_##lsm[] __initconst \ > + __aligned(1) = #lsm; \ > static struct lsm_info __lsm_##lsm \ > __used __section(.lsm_info.init) \ > __aligned(sizeof(unsigned long)) \ > = { \ > + .name = __lsm_name_##lsm, \ > > #define END_LSM } > >