From da2b76bba4b2a7030fe335ece2ebb256da40201b Mon Sep 17 00:00:00 2001
From: Sebastian Hugentobler <sebastian@vanwa.ch>
Date: Fri, 16 Feb 2018 10:02:47 +0100
Subject: [PATCH] add dh param generation

---
 rootfs/etc/cont-init.d/02-dhparam | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 rootfs/etc/cont-init.d/02-dhparam

diff --git a/rootfs/etc/cont-init.d/02-dhparam b/rootfs/etc/cont-init.d/02-dhparam
new file mode 100644
index 0000000..7bb26b0
--- /dev/null
+++ b/rootfs/etc/cont-init.d/02-dhparam
@@ -0,0 +1,5 @@
+#!/usr/bin/with-contenv sh
+
+if [ ! -f /etc/ssl/mail/dh.pem ]; then
+    openssl dhparam -out /etc/ssl/mail/dh.pem ${SSL_DH_LENGTH:-2048}
+fi