On Fri, Mar 16, 2018 at 5:00 AM, Richard Guy Briggs <rgb(a)redhat.com> wrote:
 Add container ID auxiliary record to mark, watch and tree rule
 configuration standalone records.
 Signed-off-by: Richard Guy Briggs <rgb(a)redhat.com>
 ---
  kernel/audit_fsnotify.c |  5 ++++-
  kernel/audit_tree.c     |  5 ++++-
  kernel/audit_watch.c    | 33 +++++++++++++++++++--------------
  3 files changed, 27 insertions(+), 16 deletions(-)
 diff --git a/kernel/audit_fsnotify.c b/kernel/audit_fsnotify.c
 index 52f368b..18c110d 100644
 --- a/kernel/audit_fsnotify.c
 +++ b/kernel/audit_fsnotify.c
 @@ -124,10 +124,11 @@ static void audit_mark_log_rule_change(struct audit_fsnotify_mark
*audit_mark, c
  {
         struct audit_buffer *ab;
         struct audit_krule *rule = audit_mark->rule;
 +       struct audit_context *context = audit_alloc_local();
         if (!audit_enabled)
                 return; 
Move the audit_alloc_local() after the audit_enabled check.
 -       ab = audit_log_start(NULL, GFP_NOFS, AUDIT_CONFIG_CHANGE);
 +       ab = audit_log_start(context, GFP_NOFS, AUDIT_CONFIG_CHANGE);
         if (unlikely(!ab))
                 return;
         audit_log_format(ab, "auid=%u ses=%u op=%s",
 @@ -138,6 +139,8 @@ static void audit_mark_log_rule_change(struct audit_fsnotify_mark
*audit_mark, c
         audit_log_key(ab, rule->filterkey);
         audit_log_format(ab, " list=%d res=1", rule->listnr);
         audit_log_end(ab);
 +       audit_log_container_info(context, "config",
audit_get_containerid(current));
 +       audit_free_context(context);
  }
  void audit_remove_mark(struct audit_fsnotify_mark *audit_mark)
 diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
 index 67e6956..7c085be 100644
 --- a/kernel/audit_tree.c
 +++ b/kernel/audit_tree.c
 @@ -496,8 +496,9 @@ static int tag_chunk(struct inode *inode, struct audit_tree *tree)
  static void audit_tree_log_remove_rule(struct audit_krule *rule)
  {
         struct audit_buffer *ab;
 +       struct audit_context *context = audit_alloc_local(); 
Sort of independent of the audit container ID work, but shouldn't we
have an audit_enabled check here?
 -       ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
 +       ab = audit_log_start(context, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
         if (unlikely(!ab))
                 return;
         audit_log_format(ab, "op=remove_rule");
 @@ -506,6 +507,8 @@ static void audit_tree_log_remove_rule(struct audit_krule *rule)
         audit_log_key(ab, rule->filterkey);
         audit_log_format(ab, " list=%d res=1", rule->listnr);
         audit_log_end(ab);
 +       audit_log_container_info(context, "config",
audit_get_containerid(current));
 +       audit_free_context(context);
  }
  static void kill_rules(struct audit_tree *tree)
 diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
 index 9eb8b35..60d75a2 100644
 --- a/kernel/audit_watch.c
 +++ b/kernel/audit_watch.c
 @@ -238,20 +238,25 @@ static struct audit_watch *audit_dupe_watch(struct audit_watch
*old)
  static void audit_watch_log_rule_change(struct audit_krule *r, struct audit_watch *w,
char *op)
  {
 -       if (audit_enabled) {
 -               struct audit_buffer *ab;
 -               ab = audit_log_start(NULL, GFP_NOFS, AUDIT_CONFIG_CHANGE);
 -               if (unlikely(!ab))
 -                       return;
 -               audit_log_format(ab, "auid=%u ses=%u op=%s",
 -                                from_kuid(&init_user_ns,
audit_get_loginuid(current)),
 -                                audit_get_sessionid(current), op);
 -               audit_log_format(ab, " path=");
 -               audit_log_untrustedstring(ab, w->path);
 -               audit_log_key(ab, r->filterkey);
 -               audit_log_format(ab, " list=%d res=1", r->listnr);
 -               audit_log_end(ab);
 -       }
 +       struct audit_buffer *ab;
 +       struct audit_context *context = audit_alloc_local();
 +
 +       if (!audit_enabled)
 +               return; 
Same as above, do the allocation after the audit_enabled check.
 +       ab = audit_log_start(context, GFP_NOFS,
AUDIT_CONFIG_CHANGE);
 +       if (unlikely(!ab))
 +               return;
 +       audit_log_format(ab, "auid=%u ses=%u op=%s",
 +                        from_kuid(&init_user_ns, audit_get_loginuid(current)),
 +                        audit_get_sessionid(current), op);
 +       audit_log_format(ab, " path=");
 +       audit_log_untrustedstring(ab, w->path);
 +       audit_log_key(ab, r->filterkey);
 +       audit_log_format(ab, " list=%d res=1", r->listnr);
 +       audit_log_end(ab);
 +       audit_log_container_info(context, "config",
audit_get_containerid(current));
 +       audit_free_context(context);
  } 
-- 
paul moore
www.paul-moore.com