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authorwimpie <wimpie>2005-01-12 15:46:19 (UTC)
committer wimpie <wimpie>2005-01-12 15:46:19 (UTC)
commit8de401df8b396877a47cccb191098ce43bea4e0e (patch) (side-by-side diff)
tree36d83b0b4b27c7aedfadfcd66ac93ddab11ad970 /bin
parent551fd59bc878f0f95aac939a5a9fdedd14707d17 (diff)
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Script to set mac address
Diffstat (limited to 'bin') (more/less context) (show whitespace changes)
-rwxr-xr-xbin/NS2SetMac.sh16
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