From 30f1fdd36559899dcd53d0620b1a0c4e7cebdc29 Mon Sep 17 00:00:00 2001
From: Robby Workman <rworkman@slackware.com>
Date: Thu, 9 Mar 2017 16:14:46 -0600
Subject: rc.inet1{,.conf}: Allow create/destroy of virtual tun/tap devices

---
 rc.inet1 | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'rc.inet1')

diff --git a/rc.inet1 b/rc.inet1
index 5f9c29d..2f982ca 100644
--- a/rc.inet1
+++ b/rc.inet1
@@ -73,6 +73,31 @@ lo_down() {
 # INTERFACE FUNCTIONS #
 #######################
 
+# Function to determine if virtual interfaces are defined
+virtif_determine() {
+  if [ ! -z ${VIRTIFNAME} ]; then
+    virtifcount=$(echo ${VIRTIFNAME[@]} | wc -w)
+  else
+    return 1
+  fi
+}
+
+# Function to create virtual interfaces
+virtif_create() {
+  # argument is 'i' - the position of this interface in the IFNAME array.
+  for i in $(seq 0 ${virtifcount}); do
+    /sbin/ip tuntap add dev ${VIRTIFNAME[$i]} mode ${VIRTIFTYPE[$i]} user ${VIRTIFUSER[$i]} group ${VIRTIFGROUP[$i]}
+  done
+}
+
+# Function to destory virtual interfaces
+virtif_destroy() {
+  # argument is 'i' - the position of this interface in the IFNAME array.
+  for i in $(seq 0 ${virtifcount}); do
+    /sbin/ip tuntap del dev ${VIRTIFNAME[$i]} mode ${VIRTIFTYPE[$i]}
+  done
+}
+
 # Function to assemble a bridge interface.
 br_open() {
   # argument is 'i' - the position of this interface in the IFNAME array.
@@ -256,6 +281,7 @@ gateway_down() {
 # Function to start the network:
 start() {
   lo_up
+  virtif_determine && virtif_create
   for i in ${IFNAME[@]} ; do
     if_up $i
   done
@@ -268,6 +294,7 @@ stop() {
   for i in ${IFNAME[@]} ; do
     if_down $i
   done
+  virtif_determine && virtif_destroy
   lo_down
 }
 
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