Re: A question about the directory watch in audit_tree.c in kernel

[Kevin Boyce <kevin.boyce@ngc.com>]

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Correct me if I am wrong, but in doing the auditctl -w /home, the only
thing that is being audited is the inode entry for the directory itself.
You need to construct an explicit list of each file you want to watch.
You can do this rather easily with a combination of find and awk.

Regards.
Kevin

On Tue, 2008-05-20 at 09:11 +0800, zhangxiliang wrote:

> HI,
>         When I use "auditctl -w /home" to watch a directory, nothing about the 
> directory changed can be output.
> 
>        I found the "audit tree handle_event" in audit_tree.c in kernel. It 
> implements as follows:
> 
>        static void handle_event(struct inotify_watch *watch, u32 wd, u32 mask,
>                          u32 cookie, const char *dname, struct inode *inode)
> {
> 	struct audit_chunk *chunk = container_of(watch, struct audit_chunk, watch);
> 
> 	if (mask & IN_IGNORED) {
> 		evict_chunk(chunk);
> 		put_inotify_watch(watch);
> 	}
> }
> 
>         In "handle_event", the mask can be "IN_MOVED_FROM", "IN_MOVED_TO", 
> "IN_DELETE_SELF", "IN_IGNORED" and so on.
>         Why it only deals with the mask  " IN_IGNORED" and ignores the other 
> mask?
> 
> --
> Regards
> Zhang Xiliang
> --------------------------------------------------
> Zhang Xiliang
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