linux-kernel - Re: [PATCH v3 3/3] selinux: add permission names to trace event

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <6730ec4a-d11b-5c05-b64f-380104a86dab@sony.com>
Date:   Tue, 18 Aug 2020 10:11:21 +0200
From:   peter enderborg <peter.enderborg@...y.com>
To:     Stephen Smalley <stephen.smalley.work@...il.com>,
        Thiébaud Weksteen <tweek@...gle.com>,
        Paul Moore <paul@...l-moore.com>
CC:     Nick Kralevich <nnk@...gle.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Eric Paris <eparis@...isplace.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh@...nel.org>, <linux-kernel@...r.kernel.org>,
        <selinux@...r.kernel.org>
Subject: Re: [PATCH v3 3/3] selinux: add permission names to trace event

On 8/17/20 10:16 PM, Stephen Smalley wrote:
> On 8/17/20 1:07 PM, Thiébaud Weksteen wrote:
>
>> From: Peter Enderborg <peter.enderborg@...y.com>
>>
>> In the print out add permissions, it will look like:
>>      <...>-1042  [007] ....   201.965142: selinux_audited:
>>      requested=0x4000000 denied=0x4000000 audited=0x4000000
>>      result=-13
>>      scontext=system_u:system_r:cupsd_t:s0-s0:c0.c1023
>>      tcontext=system_u:object_r:bin_t:s0
>>      tclass=file permissions={ !entrypoint }
>>
>> This patch is adding the "permissions={ !entrypoint }".
>> The permissions preceded by "!" have been denied and the permissions
>> without have been accepted.
>>
>> Note that permission filtering is done on the audited, denied or
>> requested attributes.
>>
>> Suggested-by: Steven Rostedt <rostedt@...dmis.org>
>> Suggested-by: Stephen Smalley <stephen.smalley.work@...il.com>
>> Reviewed-by: Thiébaud Weksteen <tweek@...gle.com>
>> Signed-off-by: Peter Enderborg <peter.enderborg@...y.com>
>> ---
>>   include/trace/events/avc.h | 11 +++++++++--
>>   security/selinux/avc.c     | 36 ++++++++++++++++++++++++++++++++++++
>>   2 files changed, 45 insertions(+), 2 deletions(-)
>>
>> diff --git a/security/selinux/avc.c b/security/selinux/avc.c
>> index 7de5cc5169af..d585b68c2a50 100644
>> --- a/security/selinux/avc.c
>> +++ b/security/selinux/avc.c
>> @@ -695,6 +695,7 @@ static void avc_audit_pre_callback(struct audit_buffer *ab, void *a)
>>       audit_log_format(ab, " } for ");
>>   }
>>   +
>>   /**
>>    * avc_audit_post_callback - SELinux specific information
>>    * will be called by generic audit code
>
> Also, drop the spurious whitespace change above.
>
>
Is there any other things we need to fix? A part 1&2 now OK?