connectpi

apt-get install mc apache2 php hostapd dnsmasq bridge-utils php-sqlite3

determine mac-address of device for external usage

ifconfig

insert the following line into: /etc/udev/rules.d/10-network-device.rules

SUBSYSTEM=="net", ACTION=="add", ATTR{address}=="24:05:0f:9a:55:75", NAME="wlanE"

SUBSYSTEM=="net", ACTION=="add", ATTR{address}=="b8:27:eb:63:82:58", NAME="wlanI"

register bridge

brctl addbr br0

define /etc/network/interfaces

auto eth0
iface eth0 inet manual

auto wlanI
iface wlanI inet manual
wireless-power off

auto br0
iface br0 inet static
  address 192.168.222.1
  netmast 255.255.255.0
  broadcast 192.168.222.255
  #gateway 192.168.222.1
  network 192.168.222.0
  dns-nameservers 8.8.8.8 8.8.4.4
  bridge_ports wlan0 eth0
  up /sbin/iptables -F
  up /sbin/iptables -X
  up /sbin/iptables -t nat -F
  up iptables -A FORWARD -o eth0 -i wlan0 -s 192.168.0.0/24 -m conntrack --ctstate NEW -j ACCEPT
  up iptables -A FORWARD -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
  up iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE 
  up sysctl -w net.ipv4.ip_forward=1 

auto wlanE
allow-hotplug wlanE
iface wlanE inet dhcp
wireless-power off

auto usb0
allow-hotplug usb0
iface usb0 inet dhcp

grant sudo rights to apache

usermod -a -G sudo www-data

insert the following line into: /etc/sudoers

www-data ALL=(ALL) NOPASSWD: ALL

insert the following line into: /etc/modules

r8712u

https://www.raspberrypi.org/documentation/configuration/wireless/access-point.md

configure hostapd: /etc/hostapd/hostapd.conf

interface=wlanI
bridge=br0
#driver=nl80211
ssid=NetworkName
hw_mode=g
channel=7
wmm_enabled=0
macaddr_acl=0
auth_algs=1
ignore_broadcast_ssid=0
wpa=2
wpa_passphrase=TopSecretPassword
wpa_key_mgmt=WPA-PSK
wpa_pairwise=TKIP
rsn_pairwise=CCMP

#/etc/default/hostapd DAEMON_CONF="/etc/hostapd/hostapd.conf" #/etc/init.d/hostapd DAEMON_CONF="/etc/hostapd/hostapd.conf"

add the following lines at the end of: /etc/dhcpcd.conf

denyinterfaces wlanI,eth0,usb0

interface wlanI
    static ip_address=192.168.222.1/24

configure dnsmasq: /etc/dnsmasq.conf

interface=br0
  dhcp-range=192.168.222.100,192.168.222.200,255.255.255.0,24h
touch /etc/wpa_supplicant.conf
chmod 777 /etc/wpa_supplicant.conf

make hostapd to autorun

update-rc.d hostapd defaults
update-rc.d hostapd enable

deny apache access to all others /etc/apache2/sites-enabled/000-default.conf

<Directory /var/www/html>
    Order Allow,Deny
    Allow from 192.168.222.0/24
</Directory>

enable write rights to apache in folder to create database

chown www-data /var/www/html

crontab for autoconnect to known networks

crontab -e -u root
*/5     *       *       *       *       /usr/bin/php /var/www/html/wlan-autoconnect.php