rpc: add API for checking whether an auth scheme is in use on a server

Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>
Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com>

src/libvirt_remote.syms

@@ -126,6 +126,7 @@ virNetServerGetMaxUnauthClients;
 virNetServerGetName;
 virNetServerGetThreadPoolParameters;
 virNetServerHasClients;
+virNetServerNeedsAuth;
 virNetServerNew;
 virNetServerNewPostExecRestart;
 virNetServerNextClientID;

src/rpc/virnetserver.c

@@ -1098,6 +1098,23 @@ virNetServerGetCurrentUnauthClients(virNetServerPtr srv)
     return ret;
 }
 
+
+bool virNetServerNeedsAuth(virNetServerPtr srv,
+                           int auth)
+{
+    bool ret = false;
+    size_t i;
+
+    virObjectLock(srv);
+    for (i = 0; i < srv->nservices; i++) {
+        if (virNetServerServiceGetAuth(srv->services[i]) == auth)
+            ret = true;
+    }
+    virObjectUnlock(srv);
+
+    return ret;
+}
+
 int
 virNetServerGetClients(virNetServerPtr srv,
                        virNetServerClientPtr **clts)

src/rpc/virnetserver.h

@@ -119,6 +119,9 @@ unsigned long long virNetServerNextClientID(virNetServerPtr srv);
 virNetServerClientPtr virNetServerGetClient(virNetServerPtr srv,
                                             unsigned long long id);
 
+bool virNetServerNeedsAuth(virNetServerPtr srv,
+                           int auth);
+
 int virNetServerGetClients(virNetServerPtr srv,
                            virNetServerClientPtr **clients);