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pifi_wlan1.sh
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pifi_wlan1.sh
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#!/bin/bash
# Based on Adafruit Learning Technologies Onion Pi project
# More info: http://learn.adafruit.com/onion-pi
if (( $EUID != 0 )); then
echo "This must be run as root. Try 'sudo bash $0'."
exit 1
fi
echo "
$(tput setaf 2) .~~. .~~.
$(tput setaf 6) / $(tput setaf 2)'. \ ' ' / .'$(tput setaf 6) \
$(tput setaf 6) | / $(tput setaf 1).~ .~~~..~.$(tput setaf 6) \ |
$(tput setaf 6) | | / $(tput setaf 1) : .~.'~'.~. :$(tput setaf 6) \ | |
$(tput setaf 6)| | | $(tput setaf 1)~ ( ) ( ) ~$(tput setaf 6) | | |
$(tput setaf 6)| | | $(tput setaf 1)( : '~'.~.'~' : )$(tput setaf 6) | | |
$(tput setaf 6)| | | $(tput setaf 1)~ .~ ( ) ~. ~ $(tput setaf 6) | | |
$(tput setaf 6) | | \ $(tput setaf 1)( : '~' : )$(tput setaf 6) / | |
$(tput setaf 6) | \ $(tput setaf 1)'~ .~~~. ~'$(tput setaf 6) / |
$(tput setaf 6) \ $(tput setaf 1)'~'$(tput setaf 6) /
$(tput bold ; tput setaf 4) Raspberry PiFi$(tput sgr0)
"
echo "$(tput setaf 6)This script will configure your Raspberry Pi as a wireless access point.$(tput sgr0)"
read -p "$(tput bold ; tput setaf 2)Press [Enter] to begin, [Ctrl-C] to abort...$(tput sgr0)"
echo "$(tput setaf 6)Updating packages...$(tput sgr0)"
apt-get update -q -y
echo "$(tput setaf 6)Upgrading packages...$(tput sgr0)"
apt-get upgrade -q -y
echo "$(tput setaf 6)Installing hostapd...$(tput sgr0)"
apt-get install hostapd
echo "$(tput setaf 6)Installing ISC DHCP server...$(tput sgr0)"
apt-get install isc-dhcp-server
echo "$(tput setaf 6)Configuring ISC DHCP server...$(tput sgr0)"
cp /etc/dhcp/dhcpd.conf /etc/dhcp/dhcpd.bak
sed -i -e 's/option domain-name "example.org"/# option domain-name "example.org"/g' /etc/dhcp/dhcpd.conf
sed -i -e 's/option domain-name-servers ns1.example.org/# option domain-name-servers ns1.example.org/g' /etc/dhcp/dhcpd.conf
sed -i -e 's/#authoritative;/authoritative;/g' /etc/dhcp/dhcpd.conf
echo -e "subnet 192.168.42.0 netmask 255.255.255.0 {
range 192.168.42.10 192.168.42.50;
option broadcast-address 192.168.42.255;
option routers 192.168.42.1;
default-lease-time 600;
max-lease-time 7200;
option domain-name \042local\042;
option domain-name-servers 8.8.8.8, 8.8.4.4;
}" >> /etc/dhcp/dhcpd.conf
cp /etc/default/isc-dhcp-server /etc/default/isc-dhcp-server.bak
sed -i -e 's/INTERFACES=""/INTERFACES="wlan1"/g' /etc/default/isc-dhcp-server
echo "$(tput setaf 6)Turning off wlan1 if active...$(tput sgr0)"
ifdown wlan1
echo "$(tput setaf 6)Updating network interfaces...$(tput sgr0)"
mv /etc/network/interfaces /etc/network/interfaces.bak
echo "auto lo
iface lo inet loopback
iface eth0 inet dhcp
allow-hotplug wlan0
iface wlan0 inet manual
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf
allow-hotplug wlan1
iface wlan1 inet static
address 192.168.42.1
netmask 255.255.255.0
" > /etc/network/interfaces
echo "$(tput setaf 6)Assigning static IP address 192.168.42.1...$(tput sgr0)"
ifconfig wlan1 192.168.42.1
echo "$(tput setaf 6)Configuring hostapd...$(tput sgr0)"
echo "$(tput bold ; tput setaf 2)Type a 1-32 character SSID (name) for your PiFi network, then press [ENTER]:$(tput sgr0)"
read ssid
echo "$(tput setaf 6)PiFi network SSID set to $(tput bold)$ssid$(tput sgr0 ; tput setaf 6). Edit /etc/hostapd/hostapd.conf to change.$(tput sgr0)"
pwd1="0"
pwd2="1"
until [ $pwd1 == $pwd2 ]; do
echo "$(tput bold ; tput setaf 2)Type a password to access your $ssid PiFi network, then press [ENTER]:$(tput sgr0)"
read -s pwd1
echo "$(tput bold ; tput setaf 2)Verify password to access your $ssid PiFi network, then press [ENTER]:$(tput sgr0)"
read -s pwd2
done
if [ $pwd1 == $pwd2 ]; then
echo "$(tput setaf 6)Password set. Edit /etc/hostapd/hostapd.conf to change.$(tput sgr0)"
fi
echo "interface=wlan1
ssid=$ssid
hw_mode=g
channel=6
macaddr_acl=0
auth_algs=1
ignore_broadcast_ssid=0
wpa=2
wpa_passphrase=$pwd1
wpa_key_mgmt=WPA-PSK
wpa_pairwise=TKIP
rsn_pairwise=CCMP" > /etc/hostapd/hostapd.conf
echo "$(tput setaf 6)Setting hostapd to run at system boot...$(tput sgr0)"
cp /etc/default/hostapd /etc/default/hostapd.bak
sed -i -e 's/#DAEMON_CONF=""/DAEMON_CONF="\/etc\/hostapd\/hostapd.conf"/g' /etc/default/hostapd
echo "$(tput setaf 6)Setting IP forwarding to start at system boot...$(tput sgr0)"
cp /etc/sysctl.conf /etc/sysctl.bak
echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf
echo "up iptables-restore < /etc/iptables.ipv4.nat" >> /etc/network/interfaces
echo "$(tput setaf 6)Activating IP forwarding...$(tput sgr0)"
sh -c "echo 1 > /proc/sys/net/ipv4/ip_forward"
echo "$(tput setaf 6)Setting up IP tables to interconnect ports...$(tput sgr0)"
iptables -t nat -A POSTROUTING -o wlan0 -j MASQUERADE
iptables -A FORWARD -i wlan0 -o wlan1 -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -A FORWARD -i wlan1 -o wlan0 -j ACCEPT
echo "$(tput setaf 6)Saving IP tables...$(tput sgr0)"
sh -c "iptables-save > /etc/iptables.ipv4.nat"
echo "$(tput setaf 6)Starting hostapd service...$(tput sgr0)"
service hostapd start
echo "$(tput setaf 6)Starting ISC DHCP server...$(tput sgr0)"
service isc-dhcp-server start
echo "$(tput setaf 6)Checking hostapd status...$(tput sgr0)"
service hostapd status
hostapd_result=$?
#if [ $hostapd_result == 3 ]; then
# echo "ERROR: hostapd start failed."
# exit 1
#fi
echo "$(tput setaf 6)Checking ISC DHCP server status...$(tput sgr0)"
service isc-dhcp-server status
dhcp_result=$?
#if [ $dhcp_result == 3 ]; then
# echo "ERROR: ISC DHCP server failed to start."
# exit 1
#fi
echo "$(tput setaf 6)Setting hostapd to start on system boot...$(tput sgr0)"
update-rc.d hostapd enable
echo "$(tput setaf 6)Setting ISC DHCP server to start on system boot...$(tput sgr0)"
update-rc.d isc-dhcp-server enable
echo "$(tput setaf 6)Removing WPASupplicant...$(tput sgr0)"
mv /usr/share/dbus-1/system-services/fi.epitest.hostap.WPASupplicant.service ~/
echo "$(tput setaf 6)Rebooting...$(tput sgr0)"
reboot
exit 0