From 681f88d28fb3f1230f18bbdac23f75a9e62bd1b7 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Mon, 28 Dec 2020 21:29:49 +0100
Subject: ws/minet: initial version

---
 roles/ws/minet/files/minet_helpers.sh | 53 +++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 roles/ws/minet/files/minet_helpers.sh

(limited to 'roles/ws/minet/files/minet_helpers.sh')

diff --git a/roles/ws/minet/files/minet_helpers.sh b/roles/ws/minet/files/minet_helpers.sh
new file mode 100644
index 00000000..1b82e4a5
--- /dev/null
+++ b/roles/ws/minet/files/minet_helpers.sh
@@ -0,0 +1,53 @@
+# These are helper functions for the Minimalistic Network Manager
+# Author: Christian Pointner <equinox@chaos-at-home.org>
+
+activate_interface()
+{
+  echo 2 > /proc/sys/net/ipv6/conf/default/use_tempaddr
+  modprobe $2
+  while true; do
+    ip link set up dev $1 >/dev/null 2>&1
+    if [ $? -eq 0 ]; then
+      break
+    fi
+    echo -n "."
+    sleep 1
+    echo 2 > /proc/sys/net/ipv6/conf/$1/use_tempaddr
+  done
+  if [ $2 = "eth0" ]; then
+    sleep 2
+    ethtool -s $2 advertise 0x008
+  fi
+  echo ""
+}
+
+deactivate_interface()
+{
+  ip link set down dev $1 >/dev/null 2>&1
+  modprobe -r $2
+}
+
+wpa_select_ssid()
+{
+  NET=$(wpa_cli -i$1 list_networks | awk "BEGIN { FS = \"\\t\" } ; \$2 == \"$2\" { print(\$1) }")
+  if [ -n "$NET" ]; then
+    wpa_cli -i$1 select_network $NET
+  else
+    echo "SSID '$2' is not in wpa_supplicant.conf - ignoring it..."
+  fi
+}
+
+create_6to4()
+{
+  IPV6_ADDR=`printf "2002:%02x%02x:%02x%02x::1" \`echo "$2" | tr "." " "\``
+
+  ip tunnel add mode sit remote 192.88.99.1 name $1
+  ip link set dev $1 up
+  ip addr add dev $1 $IPV6_ADDR/48
+  ip -6 route add default dev $1
+}
+
+destroy_6to4()
+{
+  ip tunnel del name $1
+}
-- 
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