Re: [RFC][Patch 2/3]integrity: IMA as an integrity service provider

From: James Morris
Date: Tue Jun 19 2007 - 22:18:39 EST


On Mon, 18 Jun 2007, Mimi Zohar wrote:


> +/* what could we exclude
> + * - non-executable/non-library files ?
> + * - /proc /dev ?
> + * Only measure files opened for read-only or execute
> + */
> +static int skip_measurement(struct inode *inode, int mask)
> +{
> + if ((inode->i_sb->s_magic == PROC_SUPER_MAGIC) ||
> + (inode->i_sb->s_magic == SYSFS_MAGIC)) {
> + return 1; /*can't measure */
> + }

I'm pretty sure you should skip measurement for many more pseudo
filesystems than this.



- James
--
James Morris
<jmorris@xxxxxxxxx>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/