On Mon, Jan 15, 2024 at 07:17:56PM +0100, Roberto Sassu wrote: > From: Roberto Sassu <roberto.sassu@xxxxxxxxxx> > > In preparation to move IMA and EVM to the LSM infrastructure, introduce the > file_post_open hook. Also, export security_file_post_open() for NFS. > > Based on policy, IMA calculates the digest of the file content and > extends the TPM with the digest, verifies the file's integrity based on > the digest, and/or includes the file digest in the audit log. > > LSMs could similarly take action depending on the file content and the > access mask requested with open(). > > The new hook returns a value and can cause the open to be aborted. > > Signed-off-by: Roberto Sassu <roberto.sassu@xxxxxxxxxx> > Reviewed-by: Stefan Berger <stefanb@xxxxxxxxxxxxx> > Acked-by: Casey Schaufler <casey@xxxxxxxxxxxxxxxx> > Reviewed-by: Mimi Zohar <zohar@xxxxxxxxxxxxx> > --- > fs/namei.c | 2 ++ Acked-by: Christian Brauner <brauner@xxxxxxxxxx>
