# HG changeset patch
# User Timo Sirainen <timo.sirainen@dovecot.fi>
# Date 1509918716 -7200
# Node ID 1789bf2a1e011fc4a54bff85ed3ea08e9dfffa0d
# Parent  c98a2d05c70284ad392dd721d9c09eeff747f18e
director: Make sure HOST-RESET-USERS isn't used with max_moving_users=0

The reset command would just hang in that case. doveadm would never have
sent this, so this is just an extra sanity check.

diff -r c98a2d05c702 -r 1789bf2a1e01 src/director/doveadm-connection.c
--- a/src/director/doveadm-connection.c	Sun Nov 05 23:27:36 2017 +0200
+++ b/src/director/doveadm-connection.c	Sun Nov 05 23:51:56 2017 +0200
@@ -592,7 +592,8 @@
 	unsigned int max_moving_users = DEFAULT_MAX_MOVING_USERS;
 
 	if (args[0] != NULL && args[1] != NULL &&
-	    str_to_uint(args[1], &max_moving_users) < 0) {
+	    (str_to_uint(args[1], &max_moving_users) < 0 ||
+	     max_moving_users == 0)) {
 		i_error("doveadm sent invalid HOST-RESET-USERS parameters");
 		return DOVEADM_DIRECTOR_CMD_RET_FAIL;
 	}