confz

commit b2d03e3914f44560470af860ec214d4276814e18
parent 7f328bc95e6a23928d90641b07d01b9be1175e44
Author: Jan Pobrislo <ccx@webprojekty.cz>
Date:   Sun, 29 Jun 2014 04:15:38 +0200

ip module
Diffstat:
A
zsh-functions/confz_ip_init
 | 
34
++++++++++++++++++++++++++++++++++

1 file changed, 34 insertions(+), 0 deletions(-)
diff --git a/zsh-functions/confz_ip_init b/zsh-functions/confz_ip_init
@@ -0,0 +1,34 @@
+# vim: ft=zsh noet ts=4 sts=4 sw=4
+
+#
+# confz functions for dealing with iproute2
+#
+
+
+confz_rename_interface_check() {
+	checkvars name mac
+
+	# local -A ifaces
+	local ignored iface mac rest out ok old_name
+
+	out=$( confz_do ip link show ) || die "ip failed"
+
+	ok=0
+	while read ignored iface rest; do
+		read ignored mac rest
+		if [[ ${iface%:} == $vars[name] ]]; then
+			[[ $mac == $vars[mac] ]] || \
+				"${(qqq)iface%:} already exists with different MAC address"
+			ok=1
+			break
+		fi
+		if ! (($+old_name)) && [[ $mac == $vars[mac] ]]; then
+			old_name=${iface%:}
+		fi
+	done <<<$out
+
+	(($+old_name)) || die "could not find interface with MAC: $vars[mac]"
+
+	do_command=( ip link set dev $old_name name $vars[name] )
+	(($ok))
+}