Mercurial > dovecot > core-2.2

diff src/login-common/login-proxy.h @ 14162:ba06ea38c722

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imap/pop3/lmtp proxy: Implemented detection of proxy loops with TTL. If proxying tries to continue after 5 forward connections, it fails. The limit of 5 is hard coded currently.
author Timo Sirainen <tss@iki.fi>
date Sat, 25 Feb 2012 06:54:52 +0200
parents da36d22ab37a
children fbb1ecb9b888
line wrap: on
line diff
--- a/src/login-common/login-proxy.h	Sat Feb 25 06:41:59 2012 +0200
+++ b/src/login-common/login-proxy.h	Sat Feb 25 06:54:52 2012 +0200
@@ -1,6 +1,13 @@
 #ifndef LOGIN_PROXY_H
 #define LOGIN_PROXY_H
 
+/* Max. number of embedded proxying connections until proxying fails.
+   This is intended to avoid an accidental configuration where two proxies
+   keep connecting to each others, both thinking the other one is supposed to
+   handle the user. This only works if both proxies support the Dovecot
+   TTL extension feature. */
+#define LOGIN_PROXY_TTL 5
+
 struct client;
 struct login_proxy;