added startup scripts

[startuptools] / scripts / ifdown

diff --git a/scripts/ifdown b/scripts/ifdown
new file mode 100755 (executable)
index 0000000..784b1e2
--- /dev/null
+++ b/scripts/ifdown
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+net=$1
+
+IFS=';'
+
+# TODO allow for /etc/sysconfig/$net also
+test -f /etc/sysconfig/$net.net || echo "unknown network configuration '$net'" >&2 && exit 1
+ 
+ifdown_post() {
+       return 0
+}
+
+ifdown_pre() {
+       return 0
+}
+
+. /etc/sysconfig/$net.net
+
+#if [ $enable = 'no' || $enable -eq 0 ]; then; exit 0; fi
+
+ifdown_pre
+
+#ip link set dev $dev up
+
+for r in $route; do
+       ip route del $r
+done
+
+for address in $addr do
+       ip addr del $address dev $dev
+done
+
+# how do we determine if we should bring the link down?
+# there could be other configurations that also set up IP
+# addresses.  Also, what happens exactly if the primary
+# ip address is removed, but not the secondary ones also?
+
+# for now, just leave the link up, I don't think it hurts
+# anything
+
+ifdown_post