linux-kernel - Re: [PATCH] integrity: Remove references to module keyring

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Message-Id: <1545077031.10804.8.camel@linux.ibm.com>
Date:   Mon, 17 Dec 2018 15:03:51 -0500
From:   Mimi Zohar <zohar@...ux.ibm.com>
To:     James Morris <jmorris@...ei.org>,
        Thiago Jung Bauermann <bauerman@...ux.ibm.com>
Cc:     linux-security-module@...r.kernel.org,
        "Serge E. Hallyn" <serge@...lyn.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] integrity: Remove references to module keyring

On Tue, 2018-12-18 at 06:33 +1100, James Morris wrote:
> On Wed, 12 Dec 2018, Thiago Jung Bauermann wrote:
> 
> > >From what I can tell, it has never been used.

This was introduced prior to Rusty's decision to use appended
signatures for kernel modules.

> > 
> > Signed-off-by: Thiago Jung Bauermann <bauerman@...ux.ibm.com>
> 
> Mimi, can I add your acked-by?

Acked-by: Mimi Zohar <zohar@...ux.ibm.com>

> 
> 
> > ---
> >  security/integrity/digsig.c    | 1 -
> >  security/integrity/integrity.h | 5 ++---
> >  2 files changed, 2 insertions(+), 4 deletions(-)
> > 
> > diff --git a/security/integrity/digsig.c b/security/integrity/digsig.c
> > index c5585e75d5d9..1ff8eab7bc8c 100644
> > --- a/security/integrity/digsig.c
> > +++ b/security/integrity/digsig.c
> > @@ -34,7 +34,6 @@ static const char * const keyring_name[INTEGRITY_KEYRING_MAX] = {
> >  	".evm",
> >  	".ima",
> >  #endif
> > -	"_module",
> >  	".platform",
> >  };
> >  
> > diff --git a/security/integrity/integrity.h b/security/integrity/integrity.h
> > index aafa1266e3d5..26c415c3f879 100644
> > --- a/security/integrity/integrity.h
> > +++ b/security/integrity/integrity.h
> > @@ -152,9 +152,8 @@ int integrity_kernel_read(struct file *file, loff_t offset,
> >  
> >  #define INTEGRITY_KEYRING_EVM		0
> >  #define INTEGRITY_KEYRING_IMA		1
> > -#define INTEGRITY_KEYRING_MODULE	2
> > -#define INTEGRITY_KEYRING_PLATFORM	3
> > -#define INTEGRITY_KEYRING_MAX		4
> > +#define INTEGRITY_KEYRING_PLATFORM	2
> > +#define INTEGRITY_KEYRING_MAX		3
> >  
> >  extern struct dentry *integrity_dir;
> >  
> > 
>