Re: [PATCH ghak90 V5 07/10] audit: add containerid support for user records

[Ondrej Mosnacek]

On Fri, Mar 15, 2019 at 7:34 PM Richard Guy Briggs <rgb@xxxxxxxxxx> wrote:
> Add audit container identifier auxiliary record to user event standalone
> records.
>
> Signed-off-by: Richard Guy Briggs <rgb@xxxxxxxxxx>

Reviewed-by: Ondrej Mosnacek <omosnace@xxxxxxxxxx>

> ---
>  kernel/audit.c | 13 ++++++-------
>  1 file changed, 6 insertions(+), 7 deletions(-)
>
> diff --git a/kernel/audit.c b/kernel/audit.c
> index cfa659b3f6c4..cf448599ef34 100644
> --- a/kernel/audit.c
> +++ b/kernel/audit.c
> @@ -1142,12 +1142,6 @@ static void audit_log_common_recv_msg(struct audit_context *context,
>         audit_log_task_context(*ab);
>  }
>
> -static inline void audit_log_user_recv_msg(struct audit_buffer **ab,
> -                                          u16 msg_type)
> -{
> -       audit_log_common_recv_msg(NULL, ab, msg_type);
> -}
> -
>  int is_audit_feature_set(int i)
>  {
>         return af.features & AUDIT_FEATURE_TO_MASK(i);
> @@ -1409,13 +1403,16 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
>
>                 err = audit_filter(msg_type, AUDIT_FILTER_USER);
>                 if (err == 1) { /* match or error */
> +                       struct audit_context *context;
> +
>                         err = 0;
>                         if (msg_type == AUDIT_USER_TTY) {
>                                 err = tty_audit_push();
>                                 if (err)
>                                         break;
>                         }
> -                       audit_log_user_recv_msg(&ab, msg_type);
> +                       context = audit_alloc_local(GFP_KERNEL);
> +                       audit_log_common_recv_msg(context, &ab, msg_type);
>                         if (msg_type != AUDIT_USER_TTY)
>                                 audit_log_format(ab, " msg='%.*s'",
>                                                  AUDIT_MESSAGE_TEXT_MAX,
> @@ -1431,6 +1428,8 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
>                                 audit_log_n_untrustedstring(ab, data, size);
>                         }
>                         audit_log_end(ab);
> +                       audit_log_contid(context, audit_get_contid(current));
> +                       audit_free_context(context);
>                 }
>                 break;
>         case AUDIT_ADD_RULE:
> --
> 1.8.3.1
>


-- 
Ondrej Mosnacek <omosnace at redhat dot com>
Software Engineer, Security Technologies
Red Hat, Inc.