[PATCH v4 06/14] system: check security for machine types

["Daniel P. Berrangé" <berrange@redhat.com>]

This wires up the machine creation code to apply the compat policy
security check.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---
 system/vl.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/system/vl.c b/system/vl.c
index ca54da26c5..f54449b43e 100644
--- a/system/vl.c
+++ b/system/vl.c
@@ -2201,11 +2201,18 @@ static void qemu_create_machine_containers(Object *machine)
     }
 }
 
-static void qemu_create_machine(QDict *qdict)
+static bool qemu_create_machine(QDict *qdict)
 {
+    Error *local_err = NULL;
     MachineClass *machine_class = select_machine(qdict, &error_fatal);
     object_set_machine_compat_props(machine_class->compat_props);
 
+    if (!object_class_check_security(OBJECT_CLASS(machine_class),
+                                     &local_err)) {
+        error_report_err(local_err);
+        return false;
+    }
+
     current_machine = MACHINE(object_new_with_class(OBJECT_CLASS(machine_class)));
     object_property_add_child(object_get_root(), "machine",
                               OBJECT(current_machine));
@@ -2237,6 +2244,8 @@ static void qemu_create_machine(QDict *qdict)
                                      false, &error_abort);
         qobject_unref(default_opts);
     }
+
+    return true;
 }
 
 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
@@ -3790,7 +3799,9 @@ void qemu_init(int argc, char **argv)
     /* Transfer QemuOpts options into machine options */
     parse_memory_options();
 
-    qemu_create_machine(machine_opts_dict);
+    if (!qemu_create_machine(machine_opts_dict)) {
+        exit(1);
+    }
 
     /*
      * Load incoming CPR state before any devices are created, because it
-- 
2.55.0