From: Ondrej Mosnacek <omosnace@redhat.com>
To: selinux@vger.kernel.org, Paul Moore <paul@paul-moore.com>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Subject: [PATCH v3 5/5] selinux: generalize evaluate_cond_node()
Date: Mon, 3 Feb 2020 12:27:23 +0100 [thread overview]
Message-ID: <20200203112723.405341-6-omosnace@redhat.com> (raw)
In-Reply-To: <20200203112723.405341-1-omosnace@redhat.com>
Both callers iterate the cond_list and call it for each node - turn it
into evaluate_cond_nodes(), which does the iteration for them.
Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
---
security/selinux/ss/conditional.c | 10 +++++++++-
security/selinux/ss/conditional.h | 2 +-
security/selinux/ss/services.c | 6 ++----
3 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c
index 669b766c260b..cce4a75fb3e7 100644
--- a/security/selinux/ss/conditional.c
+++ b/security/selinux/ss/conditional.c
@@ -86,7 +86,7 @@ static int cond_evaluate_expr(struct policydb *p, struct cond_expr *expr)
* list appropriately. If the result of the expression is undefined
* all of the rules are disabled for safety.
*/
-void evaluate_cond_node(struct policydb *p, struct cond_node *node)
+static void evaluate_cond_node(struct policydb *p, struct cond_node *node)
{
struct avtab_node *avnode;
int new_state;
@@ -117,6 +117,14 @@ void evaluate_cond_node(struct policydb *p, struct cond_node *node)
}
}
+void evaluate_cond_nodes(struct policydb *p)
+{
+ u32 i;
+
+ for (i = 0; i < p->cond_list_len; i++)
+ evaluate_cond_node(p, &p->cond_list[i]);
+}
+
int cond_policydb_init(struct policydb *p)
{
int rc;
diff --git a/security/selinux/ss/conditional.h b/security/selinux/ss/conditional.h
index 4677c6ff7450..b9eb888ffa76 100644
--- a/security/selinux/ss/conditional.h
+++ b/security/selinux/ss/conditional.h
@@ -78,6 +78,6 @@ void cond_compute_av(struct avtab *ctab, struct avtab_key *key,
struct av_decision *avd, struct extended_perms *xperms);
void cond_compute_xperms(struct avtab *ctab, struct avtab_key *key,
struct extended_perms_decision *xpermd);
-void evaluate_cond_node(struct policydb *p, struct cond_node *node);
+void evaluate_cond_nodes(struct policydb *p);
#endif /* _CONDITIONAL_H_ */
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 8fc8ec317bb6..7fb7f2efe566 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -2958,8 +2958,7 @@ int security_set_bools(struct selinux_state *state, u32 len, int *values)
policydb->bool_val_to_struct[i]->state = 0;
}
- for (i = 0; i < policydb->cond_list_len; i++)
- evaluate_cond_node(policydb, &policydb->cond_list[i]);
+ evaluate_cond_nodes(policydb);
seqno = ++state->ss->latest_granting;
rc = 0;
@@ -3012,8 +3011,7 @@ static int security_preserve_bools(struct selinux_state *state,
if (booldatum)
booldatum->state = bvalues[i];
}
- for (i = 0; i < policydb->cond_list_len; i++)
- evaluate_cond_node(policydb, &policydb->cond_list[i]);
+ evaluate_cond_nodes(policydb);
out:
if (bnames) {
--
2.24.1
next prev parent reply other threads:[~2020-02-03 11:27 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-03 11:27 [PATCH v3 0/5] selinux: Assorted simplifications and cleanups Ondrej Mosnacek
2020-02-03 11:27 ` [PATCH v3 1/5] selinux: simplify evaluate_cond_node() Ondrej Mosnacek
2020-02-12 2:29 ` Paul Moore
2020-02-03 11:27 ` [PATCH v3 2/5] selinux: convert cond_list to array Ondrej Mosnacek
2020-02-12 2:41 ` Paul Moore
2020-02-03 11:27 ` [PATCH v3 3/5] selinux: convert cond_av_list " Ondrej Mosnacek
2020-02-12 2:47 ` Paul Moore
2020-02-03 11:27 ` [PATCH v3 4/5] selinux: convert cond_expr " Ondrej Mosnacek
2020-02-12 2:49 ` Paul Moore
2020-02-03 11:27 ` Ondrej Mosnacek [this message]
2020-02-12 2:52 ` [PATCH v3 5/5] selinux: generalize evaluate_cond_node() Paul Moore
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