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openvpn: add generic hotplug mechanism

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Pass a default --up and --down executable to each started OpenVPN instance
which triggers /etc/hotplug.d/openvpn/ scripts whenever an instance
goes up or down.

User-configured up and down scripts are invoked by the default shipped
01-user hotplug handler to ensure that existing setups continue to work
as before.

As a consequence of this change, the up, down and script_security OpenVPN
options are removed from the option file, since we're always passing them
via the command line, they do not need to get included into the generated
configuration.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
[reword commit message, move hotplug executable to /usr/libexec]
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Florian Eckert
2018-11-30 14:03:50 +01:00
committed by Jo-Philipp Wich
parent 9c16c46e58
commit 8fe9940db6
6 changed files with 81 additions and 8 deletions
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11
package/network/services/openvpn/files/etc/openvpn.user Normal file
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@@ -0,0 +1,11 @@
#!/bin/sh
#
# This file is interpreted as shell script.
# Put your custom openvpn action here, they will
# be executed with each opevnp event.
#
# $ACTION
# <down> down action is generated after the TUN/TAP device is closed
# <up> up action is generated after the TUN/TAP device is opened
# $INSTANCE Name of the openvpn instance which went up or down