Skip to content
Permalink
Branch: master
Find file Copy path
Find file Copy path
1 contributor

Users who have contributed to this file

executable file 140 lines (113 sloc) 4.26 KB
#!/bin/bash
#
# Copyright (c) Authors: http://www.armbian.com/authors
#
# This file is licensed under the terms of the GNU General Public
# License version 2. This program is licensed "as is" without any
# warranty of any kind, whether express or implied.
# Function calculates number of bit in a netmask
#
mask2cidr() {
nbits=0
IFS=.
for dec in $1 ; do
case $dec in
255) let nbits+=8;;
254) let nbits+=7;;
252) let nbits+=6;;
248) let nbits+=5;;
240) let nbits+=4;;
224) let nbits+=3;;
192) let nbits+=2;;
128) let nbits+=1;;
0);;
*) echo "Error: $dec is not recognised"; exit 1
esac
done
echo "$nbits"
}
do_firstrun_automated_user_configuration()
{
#-----------------------------------------------------------------------------
#Notes:
# - See /boot/armbian_first_run.txt for full list of available variables
# - Variable names here must here must match ones in packages/bsp/armbian_first_run.txt.template
#-----------------------------------------------------------------------------
#Config FP
local fp_config='/boot/armbian_first_run.txt'
#-----------------------------------------------------------------------------
#Grab user requested settings
if [[ -f $fp_config ]]; then
# Convert line endings to Unix from Dos
sed -i $'s/\r$//' "$fp_config"
# check syntax
bash -n "$fp_config" || return
# Load vars directly from file
source "$fp_config"
# Obtain backward configuration compatibility
FR_net_static_dns=${FR_net_static_dns// /,}
FR_net_static_mask=$(mask2cidr $FR_net_static_mask)
#-----------------------------------------------------------------------------
# - Remove configuration file
if [[ $FR_general_delete_this_file_after_completion == 1 ]]; then
dd if=/dev/urandom of="$fp_config" bs=16K count=1
sync
rm "$fp_config"
else
mv "$fp_config" "${fp_config}.old"
fi
#-----------------------------------------------------------------------------
# Set Network
if [[ $FR_net_change_defaults == 1 ]]; then
# - Get 1st index of available wlan and eth adapters
local fp_ifconfig_tmp='/tmp/.ifconfig'
ifconfig -a | sed 's/[ \t].*//;/^\(lo\|\|bond0\|sit0\|ip6tnl0\)$/d' > "$fp_ifconfig_tmp" #export to file, should be quicker in loop than calling ifconfig each time.
# find eth[0-9]
for ((i=0; i<=9; i++))
do
if (( $(cat "$fp_ifconfig_tmp" | grep -ci -m1 "eth$i") )); then
eth_index=eth${i}
break
fi
done
# Predictable Network Interface Names
[[ -z $eth_index ]] && eth_index=$(cat "$fp_ifconfig_tmp" | grep -m1 "en" | cut -f1 -d":" | head -1)
# find wlan[0-9]
for ((i=0; i<=9; i++))
do
if (( $(cat "$fp_ifconfig_tmp" | grep -ci -m1 "wlan$i") )); then
wlan_index=wlan${i}
break
fi
done
# Predictable Network Interface Names
[[ -z $wlan_index ]] && wlan_index=$(cat "$fp_ifconfig_tmp" | grep -m1 "wl" | cut -f1 -d":" | head -1)
rm "$fp_ifconfig_tmp"
# for static IP we only append settings
if [[ $FR_net_use_static == 1 ]]; then
local FIXED_IP_SETTINGS="ipv4.method manual ipv4.address ${FR_net_static_ip}/${FR_net_static_mask} ipv4.dns ${FR_net_static_dns} ipv4.gateway ${FR_net_static_gateway}"
fi
if [[ -n $eth_index || -n $wlan_index ]]; then
# delete all current connections
LC_ALL=C nmcli -t -f UUID,DEVICE connection show | awk '{print $1}' | cut -f1 -d":" | xargs nmcli connection delete
# - Wifi enable
if [[ $FR_net_wifi_enabled == 1 ]]; then
#Set wifi country code
iw reg set "$FR_net_wifi_countrycode"
nmcli con add con-name "Armbian wireless" type wifi ifname ${wlan_index} ssid "$FR_net_wifi_ssid" -- wifi-sec.key-mgmt wpa-psk wifi-sec.psk "$FR_net_wifi_key" ${FIXED_IP_SETTINGS}
nmcli con up "Armbian wireless"
#Enable Wlan, disable Eth
FR_net_ethernet_enabled=0
# - Ethernet enable
elif [[ $FR_net_ethernet_enabled == 1 ]]; then
nmcli con add con-name "Armbian ethernet" type ethernet ifname ${eth_index} -- ${FIXED_IP_SETTINGS}
nmcli con up "Armbian ethernet"
#Enable Eth, disable Wlan
FR_net_wifi_enabled=0
fi
fi
fi
fi
} #do_firstrun_automated_user_configuration
do_firstrun_automated_user_configuration
exit 0
You can’t perform that action at this time.