From c5ffc73263f38ac7b9899d0510f3666f49bda01f Mon Sep 17 00:00:00 2001
From: Pascal Vizeli <pascal.vizeli@syshack.ch>
Date: Wed, 24 May 2017 00:37:29 +0200
Subject: [PATCH] Add interface support

---
 dhcp_server/config.json | 8 +++++---
 dhcp_server/run.sh      | 2 ++
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/dhcp_server/config.json b/dhcp_server/config.json
index b499d5c..1b6c941 100644
--- a/dhcp_server/config.json
+++ b/dhcp_server/config.json
@@ -1,6 +1,6 @@
 {
   "name": "DHCP server",
-  "version": "0.2",
+  "version": "0.3",
   "slug": "dhcp_server",
   "description": "A simple dhcp server",
   "url": "https://home-assistant.io/addons/dhcp_server/",
@@ -17,7 +17,8 @@
         "range_start": "192.168.1.100",
         "range_end": "192.168.1.200",
         "broadcast": "192.168.1.255",
-        "gateway": "192.168.1.1"
+        "gateway": "192.168.1.1",
+        "interface": "eth0"
       }
     ],
     "hosts": []
@@ -32,7 +33,8 @@
         "range_start": "str",
         "range_end": "str",
         "broadcast": "str",
-        "gateway": "str"
+        "gateway": "str",
+        "interface": "str"
       }
     ],
     "hosts": [
diff --git a/dhcp_server/run.sh b/dhcp_server/run.sh
index 71a7b4d..bf2d0f4 100644
--- a/dhcp_server/run.sh
+++ b/dhcp_server/run.sh
@@ -19,10 +19,12 @@ for (( i=0; i < "$NETWORKS"; i++ )); do
     RANGE_END=$(jq --raw-output ".networks[$i].range_end" $CONFIG_PATH)
     BROADCAST=$(jq --raw-output ".networks[$i].broadcast" $CONFIG_PATH)
     GATEWAY=$(jq --raw-output ".networks[$i].gateway" $CONFIG_PATH)
+    INTERFACE=$(jq --raw-output ".networks[$i].interface" $CONFIG_PATH)
 
     {
         echo "subnet $SUBNET netmask $NETMASK {"
         echo "  range $RANGE_START $RANGE_END;"
+        echo "  interface $INTERFACE;"
         echo "  option routers $GATEWAY;"
         echo "  option broadcast-address $BROADCAST;"
         echo "}"