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-rw-r--r--security/selinux/ss/services.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index face5795c76..eefa89ce77a 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -417,6 +417,31 @@ inval_class:
return -EINVAL;
}
+/*
+ * Given a sid find if the type has the permissive flag set
+ */
+int security_permissive_sid(u32 sid)
+{
+ struct context *context;
+ u32 type;
+ int rc;
+
+ POLICY_RDLOCK;
+
+ context = sidtab_search(&sidtab, sid);
+ BUG_ON(!context);
+
+ type = context->type;
+ /*
+ * we are intentionally using type here, not type-1, the 0th bit may
+ * someday indicate that we are globally setting permissive in policy.
+ */
+ rc = ebitmap_get_bit(&policydb.permissive_map, type);
+
+ POLICY_RDUNLOCK;
+ return rc;
+}
+
static int security_validtrans_handle_fail(struct context *ocontext,
struct context *ncontext,
struct context *tcontext,