Re: Can't change MAC address of my WAG311

Tue, 12 Apr 2005 22:49:34 -0700 

Ben Pratt wrote:

I would forward this to the list but I don't want to get the bounces for 3 days because I can't get reverse lookup going.

I've attached a script that you should try.

Ben

FreeBSD Daemon wrote:

dear list,

I am operating a Netgear WAG311 (Atheros AR5212) under FBSD 5.3 Release.

I tried to change the MAC address of the device using

   root# ifconfig ath0 ether aa:bb:cc:dd:ee:ff

which changed the MAC address in the ifconfig ath0 output. But wicontrol -i ath0 still showed the old (original) MAC address and that MAC address also is being used on the network.

Trying to change the MAC address using

   root# wicontrol -i ath0 -m aa:bb:cc:dd:ee:ff

results in a

   wicontrol: SIOCSWAVELAN: Invalid Argument

error message.

Am I doing something wrong?

TIA

zheyu
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------------------------------------------------------------------------

#!/usr/local/bin/bash
# Version 2.1
# By Ben

# Thanks to Venom for suggesting Apple and joining FreeBSD and Linux

echo "What interface? [ath0]"
read interface

if [ "$interface" = "" ]
then
 interface="ath0"
fi

company=0

until [ "$company" -eq 1 -o "$company" -eq 2 -o "$company" -eq 3 -o "$company" -eq 4 -o 
"$company" -eq 5 -o "$company" -eq 6 ]; do
 echo "Card Company to impersonate?"
 echo " 1) 3Com"
 echo " 2) Apple"
 echo " 3) D-Link"
 echo " 4) Intel"
 echo " 5) Linksys"
 echo " 6) Netgear"
 read company
done

front=""
back=""
new=""

case "$company" in
'1')
 # Random 3Com Card
 number=0
 while [ "$number" -le 0 ]
 do
   number=$RANDOM
   let "number %= 14"
 done
 echo "Number: $number"

 case "$number" in
 '1')
   front="00:01:02:"
   ;;
 '2')
   front="00:01:03:"
   ;;
 '3')
   front="00:10:4B:"
   ;;
 '4')
   front="00:10:5A:"
   ;;
 '5')
   front="00:20:AF:"
   ;;
 '6')
   front="00:50:04:"
   ;;
 '7')
   front="00:50:DA:"
   ;;
 '8')
   front="00:60:08:"
   ;;
 '9')
   front="00:60:8C:"
   ;;
 '10')
   front="00:60:97:"
   ;;
 '11')
   front="00:A0:24:"
   ;;
 '12')
   front="02:60:8C:"
   ;;
 '13')
   front="02:C0:8C:"
   ;;
  * )
   echo "Error"
   exit 0
   ;;
 esac
 ;;
'2')
 # Random Apple Card
 number=0
 while [ "$number" -le 0 ]
 do
   number=$RANDOM
   let "number %= 6"
 done
 echo "Number: $number"

 case "$number" in
 '1')
   front="00:05:02:"
   ;;
 '2')
   front="00:30:65:"
   ;;
 '3')
   front="00:50:E4:"
   ;;
 '4')
   front="00:A0:40:"
   ;;
 '5')
   front="08:00:07:"
   ;;
  * )
   echo "Error"
   exit 0
   ;;
 esac
 ;;
'3')
 # Random D-Link Card
 front="00:05:5D:"
 ;;
'4')
 # Random Intel Card
 number=0
 while [ "$number" -le 0 ]
 do
   number=$RANDOM
   let "number %= 9"
 done
 echo "Number: $number"

 case "$number" in
 '1')
   front="00:02:B3:"
   ;;
 '2')
   front="00:03:47:"
   ;;
 '3')
   front="00:04:23:"
   ;;
 '4')
   front="00:07:E9:"
   ;;
 '5')
   front="00:0C:F1:"
   ;;
 '6')
   front="00:0E:0C:"
   ;;
 '7')
   front="00:11:11:"
   ;;
 '8')
   front="00:20:7B:"
   ;;
  * )
   echo "Error"
   exit 0
   ;;
 esac
 ;;
'5')
 # Random Linksys Card
 number=0
 while [ "$number" -le 0 ]
 do
   number=$RANDOM
   let "number %= 4"
 done
 echo "Number: $number"

 case "$number" in
 '1')
   front="00:04:5A:"
   ;;
 '2')
   front="00:06:25:"
   ;;
 '3')
   front="00:0C:41:"
   ;;
  * )
   echo "Error"
   exit 0
   ;;
 esac
 ;;
'6')
 # Random Netgear Card
 front="00:09:5B:"
 ;;
'7')
 # Random Card
 ;;
esac

count=0
colon=0
colons=1

while [ "$count" -lt 6 ]
do

Numbers="0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F"

# Read into array variable.
number=($Numbers)

# Count how many elements.
num_numbers=${#number[*]}

new="${number[$((RANDOM%num_numbers))]}"

back=$back$new

if [ $colon -gt 0 ] && [ $colons -lt 3 ]
then
 new=":"
 back=$back$new
 let "colon-=1"
 let "colons+=1"
else
 let "colon+=1"
fi

let "count+=1"

done

address="$front$back"

OS=0

until [ "$OS" -eq 1 -o "$OS" -eq 2 ]; do
 echo "What OS??"
 echo " 1) FreeBSD"
 echo " 2) Linux"
 read OS
done

case "$OS" in
'1')
 ifconfig $interface down
 ifconfig $interface link $address
 ifconfig $interface up
 ;;
'2')
 ifconfig $interface down
 ifconfig $interface ether $address
 ifconfig $interface up
 ;;
* )
 exit 0
 ;;
esac

echo "Your new MAC is: $address"

exit 0


Well, thanks for the script, BUT as I wrote ifconfig is "working".
The misunderstanding was probably cause by me not explicitly pointing out that "aa:bb:cc:dd:ee:ff" stands for a real MAC (00:01:f4:xx:yy:zz) and is not to be taken literally. SORRY!

Again, ifconfig is "working" and the MAC changes in the ifconfig output ... athough the card doesn't honour the change and keeps on using the old (original) MAC. wicontrol dosn't even hounour the change in its output and keeps displaying the Old (original) MAC. And trying to change the MAC using wicontrol results in the error "wicontrol: SIOCSWAVELAN: Invalid Argument".

zheyu

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