3 files changed, 87 insertions, 0 deletions
diff --git a/authz/Makefile.objs b/authz/Makefile.objs
new file mode 100644
index 0000000000..12597c9528
--- /dev/null
+++ b/authz/Makefile.objs
@@ -0,0 +1 @@
+authz-obj-y += base.o
diff --git a/authz/base.c b/authz/base.c
new file mode 100644
index 0000000000..110dfa4195
--- /dev/null
+++ b/authz/base.c
@@ -0,0 +1,82 @@
+/*
+ * QEMU authorization framework base class
+ *
+ * Copyright (c) 2018 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "authz/base.h"
+#include "authz/trace.h"
+
+bool qauthz_is_allowed(QAuthZ *authz,
+                       const char *identity,
+                       Error **errp)
+{
+    QAuthZClass *cls = QAUTHZ_GET_CLASS(authz);
+    bool allowed;
+
+    allowed = cls->is_allowed(authz, identity, errp);
+    trace_qauthz_is_allowed(authz, identity, allowed);
+
+    return allowed;
+}
+
+
+bool qauthz_is_allowed_by_id(const char *authzid,
+                             const char *identity,
+                             Error **errp)
+{
+    QAuthZ *authz;
+    Object *obj;
+    Object *container;
+
+    container = object_get_objects_root();
+    obj = object_resolve_path_component(container,
+                                        authzid);
+    if (!obj) {
+        error_setg(errp, "Cannot find QAuthZ object ID %s",
+                   authzid);
+        return false;
+    }
+
+    if (!object_dynamic_cast(obj, TYPE_QAUTHZ)) {
+        error_setg(errp, "Object '%s' is not a QAuthZ subclass",
+                   authzid);
+        return false;
+    }
+
+    authz = QAUTHZ(obj);
+
+    return qauthz_is_allowed(authz, identity, errp);
+}
+
+
+static const TypeInfo authz_info = {
+    .parent = TYPE_OBJECT,
+    .name = TYPE_QAUTHZ,
+    .instance_size = sizeof(QAuthZ),
+    .class_size = sizeof(QAuthZClass),
+    .abstract = true,
+};
+
+static void qauthz_register_types(void)
+{
+    type_register_static(&authz_info);
+}
+
+type_init(qauthz_register_types)
+
diff --git a/authz/trace-events b/authz/trace-events
new file mode 100644
index 0000000000..481c90f511
--- /dev/null
+++ b/authz/trace-events
@@ -0,0 +1,4 @@
+# See docs/devel/tracing.txt for syntax documentation.
+
+# authz/base.c
+qauthz_is_allowed(void *authz, const char *identity, bool allowed) "AuthZ %p check identity=%s allowed=%d"