| Current Path : /usr/share/doc/ifupdown/examples/ |
| Current File : //usr/share/doc/ifupdown/examples/check-mac-address.sh |
#!/bin/sh
#
# Checks if the given interface matches the given ethernet MAC.
# If it does it exits with 0 (success) status;
# if it doesn't then it exists with 1 (error) status.
set -e
export LANG=C
if [ ! "$2" ] ; then
echo "Usage: $0 IFACE targetMAC"
exit 1
fi
iface="$1"
targetmac=`echo "$2" | sed -e 'y/ABCDEF/abcdef/'`
mac=$(/sbin/ifconfig "$iface" | sed -n -e '/^.*HWaddr \([:[:xdigit:]]*\).*/{s//\1/;y/ABCDEF/abcdef/;p;q;}')
if [ "$targetmac" = "$mac" ]; then exit 0; else exit 1; fi