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Network interfaces

This commit is contained in:
Bob Mottram 2015-11-21 16:13:28 +00:00
parent 48b8940d54
commit 4fe7bace66
1 changed files with 61 additions and 22 deletions
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83
src/freedombone-prep
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@ -43,7 +43,7 @@ MICROSD_DRIVE=
ROUTER_IP_ADDRESS="192.168.1.254"
# The fixed IP address of the Beaglebone Black on your local network
BBB_FIXED_IP_ADDRESS="192.168.1.55"
BOX_IP_ADDRESS="192.168.1.55"
# DNS
NAMESERVER1='213.73.91.35'
@ -66,12 +66,67 @@ CURR_DIR=$(pwd)
function show_help {
echo ''
echo 'freedombone-prep -d [microSD device] --ip [BBB LAN IP address] --iprouter [Router LAN IP address] --mount [mount directory]'
echo 'freedombone-prep -i [image filename] -d [microSD device] --ip [BBB LAN IP address] --iprouter [Router LAN IP address] --mount [mount directory]'
echo ''
echo 'See the manpage for more details'
echo ''
}
function configure_networking {
rootdir=$1
temp_interfaces=/tmp/freedombone_interfaces
echo "# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet static
address $BOX_IP_ADDRESS
netmask 255.255.255.0
gateway $ROUTER_IP_ADDRESS
dns-nameservers $NAMESERVER1 $NAMESERVER2
# Example to keep MAC address between reboots
#hwaddress ether B5:A2:BE:3F:1A:FE
# The secondary network interface
#auto eth1
#iface eth1 inet dhcp
# WiFi Example
#auto wlan0
#iface wlan0 inet dhcp
# wpa-ssid \"essid\"
# wpa-psk \"password\"
# Ethernet/RNDIS gadget (g_ether)
# ... or on host side, usbnet and random hwaddr
# Note on some boards, usb0 is automaticly setup with an init script
#iface usb0 inet static
# address 192.168.7.2
# netmask 255.255.255.0
# network 192.168.7.0
# gateway 192.168.7.1" > $temp_interfaces
hexarray=( 1 2 3 4 5 6 7 8 9 0 a b c d e f )
a=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}
b=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}
c=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}
d=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}
e=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}
sed -i "s|#hwaddress ether.*|hwaddress ether de:$a:$b:$c:$d:$e|g" \
$temp_interfaces
$SUDO cp $temp_interfaces $rootdir/etc/network/interfaces
rm $temp_interfaces
$SUDO sed -i "s/nameserver.*/nameserver $NAMESERVER1/g" $rootdir/etc/resolv.conf
$SUDO sed -i "/nameserver $NAMESERVER1/a\nameserver $NAMESERVER2" $rootdir/etc/resolv.conf
}
# if no arguments are given
if [[ $NO_OF_ARGS == 0 ]]; then
show_help
@ -123,7 +178,7 @@ case $key in
# BBB static IP address on the LAN
--ip)
shift
BBB_FIXED_IP_ADDRESS="$1"
BOX_IP_ADDRESS="$1"
;;
# Router IP address on the LAN
--iprouter)
@ -260,23 +315,7 @@ if [ ! -d $MICROSD_MOUNT_POINT/$ROOTFS$ROOTFS_SUBDIR/home ]; then
exit 65688
fi
$SUDO sed -i 's/iface eth0 inet dhcp/iface eth0 inet static/g' $MICROSD_MOUNT_POINT/$ROOTFS$ROOTFS_SUBDIR/etc/network/interfaces
$SUDO sed -i "/iface eth0 inet static/a\ dns-nameservers $NAMESERVER1 $NAMESERVER2" $MICROSD_MOUNT_POINT/$ROOTFS$ROOTFS_SUBDIR/etc/network/interfaces
$SUDO sed -i "/iface eth0 inet static/a\ gateway $ROUTER_IP_ADDRESS" $MICROSD_MOUNT_POINT/$ROOTFS$ROOTFS_SUBDIR/etc/network/interfaces
$SUDO sed -i '/iface eth0 inet static/a\ netmask 255.255.255.0' $MICROSD_MOUNT_POINT/$ROOTFS$ROOTFS_SUBDIR/etc/network/interfaces
$SUDO sed -i "/iface eth0 inet static/a\ address $BBB_FIXED_IP_ADDRESS" $MICROSD_MOUNT_POINT/$ROOTFS$ROOTFS_SUBDIR/etc/network/interfaces
$SUDO sed -i '/iface usb0 inet static/,/ gateway 192.168.7.1/ s/^/#/' $MICROSD_MOUNT_POINT/$ROOTFS$ROOTFS_SUBDIR/etc/network/interfaces
hexarray=( 1 2 3 4 5 6 7 8 9 0 a b c d e f )
a=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}
b=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}
c=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}
d=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}
e=${hexarray[$RANDOM%16]}${hexarray[$RANDOM%16]}
$SUDO sed -i "s|#hwaddress ether.*|hwaddress ether de:$a:$b:$c:$d:$e|g" $MICROSD_MOUNT_POINT/$ROOTFS$ROOTFS_SUBDIR/etc/network/interfaces
$SUDO sed -i "s/nameserver.*/nameserver $NAMESERVER1/g" $MICROSD_MOUNT_POINT/$ROOTFS$ROOTFS_SUBDIR/etc/resolv.conf
$SUDO sed -i "/nameserver $NAMESERVER1/a\nameserver $NAMESERVER2" $MICROSD_MOUNT_POINT/$ROOTFS$ROOTFS_SUBDIR/etc/resolv.conf
configure_networking $MICROSD_MOUNT_POINT/$ROOTFS$ROOTFS_SUBDIR
# copy the commands to the card
$SUDO cp -f $(which freedombone)* $MICROSD_MOUNT_POINT/$ROOTFS$ROOTFS_SUBDIR/usr/local/bin/
@ -302,7 +341,7 @@ echo '' >> /tmp/freedombone_motd
echo 'Enter the command "exit" a couple of times to get back to your main system' >> /tmp/freedombone_motd
echo 'then log back in as the user you just created with:' >> /tmp/freedombone_motd
echo '' >> /tmp/freedombone_motd
echo " ssh [username]@$BBB_FIXED_IP_ADDRESS" >> /tmp/freedombone_motd
echo " ssh [username]@$BOX_IP_ADDRESS" >> /tmp/freedombone_motd
echo '' >> /tmp/freedombone_motd
echo 'and use the "su" command to become the root user again.' >> /tmp/freedombone_motd
echo '' >> /tmp/freedombone_motd
@ -323,7 +362,7 @@ echo ''
echo 'The microSD card can now be removed and inserted into the Beaglebone Black.'
echo 'Once the Beaglebone has booted then you can log in with:'
echo ''
echo " ssh root@$BBB_FIXED_IP_ADDRESS"
echo " ssh root@$BOX_IP_ADDRESS"
echo ''
echo 'The root password should be changed with the command "passwd".'
cat /tmp/freedombone_motd