# HG changeset patch
# User Timo Sirainen <tss@iki.fi>
# Date 1449658966 -7200
# Node ID 1d2999cfe0a427658df74a4c47aa6c6dcde35e4c
# Parent  13afb091216405e02397ff9ae45266e9dba71ccf
director: If doveadm attempts to change tag for an existing host, return error.

diff -r 13afb0912164 -r 1d2999cfe0a4 src/director/doveadm-connection.c
--- a/src/director/doveadm-connection.c	Wed Dec 09 13:02:19 2015 +0200
+++ b/src/director/doveadm-connection.c	Wed Dec 09 13:02:46 2015 +0200
@@ -282,6 +282,9 @@
 			return TRUE;
 		}
 		host = mail_host_add_ip(dir->mail_hosts, &ip, tag);
+	} else if (tag[0] != '\0' && strcmp(mail_host_get_tag(host), tag) != 0) {
+		o_stream_nsend_str(conn->output, "host tag can't be changed\n");
+		return TRUE;
 	} else if (host->desynced) {
 		o_stream_nsend_str(conn->output,
 			"host is already being updated - try again later\n");