Re: [PATCH v3 3/3] selinux: add permission names to trace event
From: peter enderborg
Date: Tue Aug 18 2020 - 04:11:29 EST
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@xxxxxxxx>
>>
>> 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@xxxxxxxxxxx>
>> Suggested-by: Stephen Smalley <stephen.smalley.work@xxxxxxxxx>
>> Reviewed-by: Thiébaud Weksteen <tweek@xxxxxxxxxx>
>> Signed-off-by: Peter Enderborg <peter.enderborg@xxxxxxxx>
>> ---
>> 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?