From 9b6b1520f273d46b3f8d229ee1be28a68e93bc15 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Tue, 10 Oct 2017 15:17:41 +0200
Subject: start systemd service with dynamic user

This requires systemd v235 and dhcpd built with '--enable-paranoia'.
---
 systemd/dyndhcpd@.service | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'systemd')

diff --git a/systemd/dyndhcpd@.service b/systemd/dyndhcpd@.service
index 8aceeb1..25c93cd 100644
--- a/systemd/dyndhcpd@.service
+++ b/systemd/dyndhcpd@.service
@@ -5,7 +5,11 @@ Requires=sys-subsystem-net-devices-%i.device
 After=sys-subsystem-net-devices-%i.device
 
 [Service]
-ExecStart=/usr/bin/dyndhcpd -i%i
+ExecStart=!/usr/bin/dyndhcpd --interface %i --user %p-%i --pidfile /run/%p@%i/dhcpd.pid --leases /var/lib/%p@%i/dhcp.leases --write-config /run/%p@%i/dhcpd.conf
+RuntimeDirectory=%p@%i
+StateDirectory=%p@%i
+User=%p-%i
+DynamicUser=on
 ProtectSystem=full
 ProtectHome=on
 PrivateDevices=on
-- 
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