nixpkgs/pkgs/tools/networking/openvpn/systemd-notify.patch
Eelco Dolstra 27a8cada79 openvpn: Add systemd startup notification
This causes OpenVPN services to reach the "active" state when the VPN
connection is up (i.e., after OpenVPN prints "Initialization Sequence
Completed"). This allows units to be ordered correctly after openvpn-*
units, and makes systemctl present a password prompt:

  $ start openvpn-foo
  Enter Private Key Password: *************

(I first tried to implement this by calling "systemd-notify --ready"
from the "up" script, but systemd-notify is not reliable.)
2014-04-22 13:14:58 +02:00

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Diff

diff -ru -x '*~' openvpn-2.3.1-orig/src/openvpn/init.c openvpn-2.3.1/src/openvpn/init.c
--- openvpn-2.3.1-orig/src/openvpn/init.c 2013-03-20 09:28:14.000000000 +0100
+++ openvpn-2.3.1/src/openvpn/init.c 2014-04-22 13:02:21.351026640 +0200
@@ -48,6 +48,8 @@
#include "occ-inline.h"
+#include <systemd/sd-daemon.h>
+
static struct context *static_context; /* GLOBAL */
/*
@@ -1241,6 +1243,9 @@
{
static const char message[] = "Initialization Sequence Completed";
+ /* Tell systemd we're ready. */
+ sd_notify(0, "READY=1");
+
/* If we delayed UID/GID downgrade or chroot, do it now */
do_uid_gid_chroot (c, true);