Forked from dashohoxha/install_wifi_access_point.sh
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November 4, 2015 14:30
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dashohoxha revised this gist
Jun 9, 2014 . 1 changed file with 5 additions and 0 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -135,6 +135,11 @@ function stop_wifi_ap { function start_wifi_ap { stop_wifi_ap sleep 3 ### see: https://bugs.launchpad.net/ubuntu/+source/wpa/+bug/1289047/comments/8 nmcli nm wifi off rfkill unblock wlan ### give a static IP to the wifi interface ip link set dev $wifi_interface up -
Sep 11, 2013 . 1 changed file with 1 addition and 0 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -46,6 +46,7 @@ read -p "The password of your hosted network [$password]: " input password=${input:-$password} ### get wifi interface rfkill unblock wifi # enable wifi in case it is somehow disabled (thanks to Darrin Wolf for this tip) wifi_interface=$(lshw -quiet -c network | sed -n -e '/Wireless interface/,+12 p' | sed -n -e '/logical name:/p' | cut -d: -f2 | sed -e 's/ //g') ### create /etc/hostapd/hostapd.conf -
Jun 21, 2013 . 1 changed file with 13 additions and 5 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -127,12 +127,19 @@ function stop_wifi_ap { sed -i /etc/network/interfaces -e '/auto $wifi_interface/,\$ d' sed -i /etc/network/interfaces -e '\$ d' fi ### restart network manager to takeover wifi management service network-manager restart } function start_wifi_ap { stop_wifi_ap ### give a static IP to the wifi interface ip link set dev $wifi_interface up ip address add 10.10.0.1/24 dev $wifi_interface ### protect the static IP from network-manger restart echo >> /etc/network/interfaces echo 'auto $wifi_interface' >> /etc/network/interfaces echo 'iface $wifi_interface' inet static >> /etc/network/interfaces @@ -157,11 +164,12 @@ EOF chmod +x /etc/init.d/wifi_access_point ### make sure that it is stopped on boot sed -i /etc/rc.local \ -e '/service wifi_access_point stop/ d' sed -i /etc/rc.local \ -e '/^exit/ i service wifi_access_point stop' ### display usage message echo " -
Jun 13, 2013 . 1 changed file with 3 additions and 4 deletions.There are no files selected for viewing
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -45,14 +45,13 @@ password='1234567890' read -p "The password of your hosted network [$password]: " input password=${input:-$password} ### get wifi interface wifi_interface=$(lshw -quiet -c network | sed -n -e '/Wireless interface/,+12 p' | sed -n -e '/logical name:/p' | cut -d: -f2 | sed -e 's/ //g') ### create /etc/hostapd/hostapd.conf cat <<EOF > /etc/hostapd/hostapd.conf interface=$wifi_interface driver=nl80211 ssid=$ssid hw_mode=g channel=1 @@ -174,4 +173,4 @@ You can start and stop it with: service wifi_access_point start service wifi_access_point stop " -
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Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,177 @@ #!/bin/bash ### Setup a wifi Access Point on Ubuntu 12.04 (or its derivatives). ### make sure that this script is executed from root if [ $(whoami) != 'root' ] then echo " This script should be executed as root or with sudo: sudo $0 " exit 1 fi ############################################################## ## Check whether the wireless card supports Access Point mode ############################################################## ### make sure that iw is installed apt-get -y install iw ### check that AP is supported supports_access_point=$(iw list | sed -n -e '/* AP$/p') if [ "$supports_access_point" = '' ] then echo "AP is not supported by the driver of the wireless card." echo "This script does not work for this driver." exit 1 fi ############################################################## ## Setup and host a network ############################################################## ### install hostapd apt-get -y install hostapd ### it should not start automatically on boot update-rc.d hostapd disable ### get ssid and password ssid=$(hostname --short) read -p "The name of your hosted network (SSID) [$ssid]: " input ssid=${input:-$ssid} password='1234567890' read -p "The password of your hosted network [$password]: " input password=${input:-$password} ### get wifi interface and driver wifi_interface=$(lshw -quiet -c network | sed -n -e '/Wireless interface/,+12 p' | sed -n -e '/logical name:/p' | cut -d: -f2 | sed -e 's/ //g') wifi_driver=$(lshw -quiet -c network | sed -n -e '/Wireless interface/,+12 p' | sed -n -e '/configuration:/p' | tr ' ' "\n" | sed -n -e '/driver=/p' | cut -d= -f2) ### create /etc/hostapd/hostapd.conf cat <<EOF > /etc/hostapd/hostapd.conf interface=$wifi_interface driver=$wifi_driver ssid=$ssid hw_mode=g channel=1 macaddr_acl=0 auth_algs=1 ignore_broadcast_ssid=0 wpa=3 wpa_passphrase=$password wpa_key_mgmt=WPA-PSK wpa_pairwise=TKIP rsn_pairwise=CCMP EOF ### modify /etc/default/hostapd cp -n /etc/default/hostapd{,.bak} sed -i /etc/default/hostapd \ -e '/DAEMON_CONF=/c DAEMON_CONF="/etc/hostapd/hostapd.conf"' ################################################ ## Set up DHCP server for IP address management ################################################ ### make sure that the DHCP server is installed apt-get -y install isc-dhcp-server ### it should not start automatically on boot update-rc.d isc-dhcp-server disable ### set the INTERFACES on /etc/default/isc-dhcp-server cp -n /etc/default/isc-dhcp-server{,.bak} sed -i /etc/default/isc-dhcp-server \ -e "/INTERFACES=/c INTERFACES=\"$wifi_interface\"" ### modify /etc/dhcp/dhcpd.conf cp -n /etc/dhcp/dhcpd.conf{,.bak} sed -i /etc/dhcp/dhcpd.conf \ -e 's/^option domain-name/#option domain-name/' \ -e 's/^option domain-name-servers/#option domain-name-servers/' \ -e 's/^default-lease-time/#default-lease-time/' \ -e 's/^max-lease-time/#max-lease-time/' sed -i /etc/dhcp/dhcpd.conf \ -e '/subnet 10.10.0.0 netmask 255.255.255.0/,+4 d' cat <<EOF >> /etc/dhcp/dhcpd.conf subnet 10.10.0.0 netmask 255.255.255.0 { range 10.10.0.2 10.10.0.16; option domain-name-servers 8.8.4.4, 208.67.222.222; option routers 10.10.0.1; } EOF ################################################# ## Create a startup script ################################################# cat <<EOF > /etc/init.d/wifi_access_point #!/bin/bash ext_interface=\$(ip route | grep default | cut -d' ' -f5) function stop_wifi_ap { ### stop services dhcpd and hostapd service isc-dhcp-server stop service hostapd stop ### disable IP forwarding echo 0 > /proc/sys/net/ipv4/ip_forward iptables -t nat -D POSTROUTING -s 10.10.0.0/16 -o \$ext_interface -j MASQUERADE 2>/dev/null ### remove the static IP from the wifi interface if grep -q 'auto $wifi_interface' /etc/network/interfaces then sed -i /etc/network/interfaces -e '/auto $wifi_interface/,\$ d' sed -i /etc/network/interfaces -e '\$ d' fi } function start_wifi_ap { stop_wifi_ap ### give a static IP to the wifi interface echo >> /etc/network/interfaces echo 'auto $wifi_interface' >> /etc/network/interfaces echo 'iface $wifi_interface' inet static >> /etc/network/interfaces echo 'address 10.10.0.1' >> /etc/network/interfaces echo 'netmask 255.255.255.0' >> /etc/network/interfaces ### enable IP forwarding echo 1 > /proc/sys/net/ipv4/ip_forward iptables -t nat -A POSTROUTING -s 10.10.0.0/16 -o \$ext_interface -j MASQUERADE ### start services dhcpd and hostapd service hostapd start service isc-dhcp-server start } ### start/stop wifi access point case "\$1" in start) start_wifi_ap ;; stop) stop_wifi_ap ;; esac EOF chmod +x /etc/init.d/wifi_access_point read -p 'Start wifi access point automatically on boot? [y/N]: ' input if [ "$input" = "y" ] then update-rc.d wifi_access_point defaults fi ### display usage message echo " ====================================== Wifi Access Point installed. You can start and stop it with: service wifi_access_point start service wifi_access_point stop "