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authorOndrej Mosnacek <omosnace@redhat.com>2020-02-03 12:27:23 +0100
committerPaul Moore <paul@paul-moore.com>2020-02-11 21:50:26 -0500
commit89d4d7c88d2b4f252adb434a28ea9b84d629aeb1 (patch)
treedc1a00d994efd42be540d6e63f170aa6eee0d8fa /security
parent8794d7839038fc018e51d0afbf309b71069d9691 (diff)
selinux: generalize evaluate_cond_node()
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> Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'security')
-rw-r--r--security/selinux/ss/conditional.c10
-rw-r--r--security/selinux/ss/conditional.h2
-rw-r--r--security/selinux/ss/services.c6
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 1e652d6ed8cd..57b2c6252799 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -2957,8 +2957,7 @@ 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;
@@ -3011,8 +3010,7 @@ 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) {