From: Timo Sirainen <timo.sirainen@open-xchange.com>
Date: Sat, 25 Sep 2021 22:16:53 +0000 (+0300)
Subject: master: Avoid leaking master client fds to forked processes
X-Git-Tag: 2.3.18~302
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ccb0579b3b045235a66c7c10db62f2493cf1b1c0;p=thirdparty%2Fdovecot%2Fcore.git

master: Avoid leaking master client fds to forked processes
---

diff --git a/src/master/master-client.c b/src/master/master-client.c
index c8f24a4649..82389ec18e 100644
--- a/src/master/master-client.c
+++ b/src/master/master-client.c
@@ -161,6 +161,7 @@ void master_client_connected(struct service_list *service_list)
 			i_error("net_accept() failed: %m");
 		return;
 	}
+	fd_close_on_exec(fd, TRUE);
 	client = i_new(struct master_client, 1);
 	connection_init_server(master_connections, &client->conn,
 			       "master-client", fd, fd);