virnetserverclient: Add an internal method to retrieve client's identity

This method just aggregates various client object attributes, like socket
address, connection type (RO/RW), and some TCP/TLS/UNIX identity in an atomic
manner.
Signed-off-by: NErik Skultety <eskultet@redhat.com>

src/libvirt_remote.syms

@@ -122,6 +122,7 @@ virNetServerClientDelayedClose;
 virNetServerClientGetAuth;
 virNetServerClientGetFD;
 virNetServerClientGetIdentity;
+virNetServerClientGetInfo;
 virNetServerClientGetPrivateData;
 virNetServerClientGetReadonly;
 virNetServerClientGetSELinuxContext;

src/rpc/virnetserverclient.c

@@ -1612,3 +1612,33 @@ virNetServerClientGetTransport(virNetServerClientPtr client)
 
     return ret;
 }
+
+int
+virNetServerClientGetInfo(virNetServerClientPtr client,
+                          bool *readonly, const char **sock_addr,
+                          virIdentityPtr *identity)
+{
+    int ret = -1;
+
+    virObjectLock(client);
+    *readonly = client->readonly;
+
+    if (!(*sock_addr = virNetServerClientRemoteAddrString(client))) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       _("No network socket associated with client"));
+        goto cleanup;
+    }
+
+    if (!client->identity) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       _("No identity information available for client"));
+        goto cleanup;
+    }
+
+    *identity = virObjectRef(client->identity);
+
+    ret = 0;
+ cleanup:
+    virObjectUnlock(client);
+    return ret;
+}

src/rpc/virnetserverclient.h

@@ -149,5 +149,8 @@ int virNetServerClientSendMessage(virNetServerClientPtr client,
 bool virNetServerClientNeedAuth(virNetServerClientPtr client);
 
 int virNetServerClientGetTransport(virNetServerClientPtr client);
+int virNetServerClientGetInfo(virNetServerClientPtr client,
+                              bool *readonly, const char **sock_addr,
+                              virIdentityPtr *identity);
 
 #endif /* __VIR_NET_SERVER_CLIENT_H__ */