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Message-ID: <CAHC9VhTiuZRCm2E3DkB=zD8R1OZccSCpsbr2mB=aOPGXkjUhhw@mail.gmail.com>
Date: Wed, 13 Sep 2023 12:11:52 -0400
From: Paul Moore <paul@...l-moore.com>
To: Stephen Smalley <stephen.smalley.work@...il.com>
Cc: Christian Göttsche <cgzones@...glemail.com>,
selinux@...r.kernel.org, Eric Paris <eparis@...isplace.org>,
Ondrej Mosnacek <omosnace@...hat.com>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/6] selinux: dump statistics for more hash tables
On Thu, Sep 7, 2023 at 1:42 PM Stephen Smalley
<stephen.smalley.work@...il.com> wrote:
> On Fri, Aug 18, 2023 at 11:12 AM Christian Göttsche
> <cgzones@...glemail.com> wrote:
> >
> > Dump in the SELinux debug configuration the statistics for the
> > conditional rules avtab, the role transition, and class and common
> > permission hash tables.
> >
> > Signed-off-by: Christian Göttsche <cgzones@...glemail.com>
> > ---
>
> > diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
> > index 84f02d4f8093..932e383bcad6 100644
> > --- a/security/selinux/ss/policydb.c
> > +++ b/security/selinux/ss/policydb.c
> > @@ -1158,6 +1158,8 @@ static int common_read(struct policydb *p, struct symtab *s, void *fp)
> > goto bad;
> > }
> >
> > + hash_eval(&comdatum->permissions.table, "common_permissions");
> > +
> > rc = symtab_insert(s, key, comdatum);
> > if (rc)
> > goto bad;
> > @@ -1339,6 +1341,8 @@ static int class_read(struct policydb *p, struct symtab *s, void *fp)
> > goto bad;
> > }
> >
> > + hash_eval(&cladatum->permissions.table, "class_permissions");
> > +
> > rc = read_cons_helper(p, &cladatum->constraints, ncons, 0, fp);
> > if (rc)
> > goto bad;
>
> Do we want to embed the actual common and class keys in the output to
> distinguish among the multiple common and class permissions tables?
That seems reasonable, were you thinking of just adding it to the
hash_eval()'s hash name string, e.g. "common_permissions[XXX]"?
--
paul-moore.com
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