| -rwxr-xr-x | bin/NS2SetMac.sh | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/bin/NS2SetMac.sh b/bin/NS2SetMac.sh index 51810ae..e6111c7 100755 --- a/bin/NS2SetMac.sh +++ b/bin/NS2SetMac.sh @@ -1,5 +1,9 @@ -# store/set MAC address for given interface +# this script is part of networksettings2 package +# purpose : set fixed MAC address for network devices that +# have random addresses (like usb) +# + NS2MacStore=/etc/NS2 [ ! -d ${NS2MacStore} ] && mkdir ${NS2MacStore} @@ -10,13 +14,21 @@ fi if [ -f ${NS2MacStore}/$1.mac ] then # set this mac - /sbin/ifconfig $1 hw ether `cat ${NS2MacStore}/$1.mac` + X=`cat ${NS2MacStore}/$1.mac` + if [ ! -z "$X" ] + then + /sbin/ifconfig $1 hw ether $X + fi else # remember current mac for all times X=`/sbin/ifconfig $1 | grep HWaddr` X=${X#*HWaddr } # strip till HWaddr X=${X%% *} # remove trailing spaces + if [ ! -z "$X" ] + then + # valid mac address echo ${X} > ${NS2MacStore}/$1.mac fi +fi exit 0 |