diff options
Diffstat (limited to 'multitech/recipes/ocg-scripts/ocg-scripts-1.0/ocg-wifi-ap')
| -rwxr-xr-x | multitech/recipes/ocg-scripts/ocg-scripts-1.0/ocg-wifi-ap | 133 |
1 files changed, 99 insertions, 34 deletions
diff --git a/multitech/recipes/ocg-scripts/ocg-scripts-1.0/ocg-wifi-ap b/multitech/recipes/ocg-scripts/ocg-scripts-1.0/ocg-wifi-ap index d96d597..e3f3088 100755 --- a/multitech/recipes/ocg-scripts/ocg-scripts-1.0/ocg-wifi-ap +++ b/multitech/recipes/ocg-scripts/ocg-scripts-1.0/ocg-wifi-ap @@ -3,22 +3,53 @@ dhcpd_file=/etc/udhcpd.conf hostapd_file=/etc/hostapd.conf interface=wlan0 +bridge_mode=0 do_start() { - if [ "$1" = "bridge" ]; then - interface=br0 + if [ "$bridge_mode" = 1 ]; then + interface=$b if ! grep -E -q "^bridge=$interface\s*$" $hostapd_file; then echo "Enabling bridge=br0 in $hostapd_file" sed -r -i "s/^#?bridge=.*$/bridge=$interface/" $hostapd_file fi + else + if grep -E -q "^bridge=.*$" $hostapd_file; then + echo "Disabling bridge in $hostapd_file" + sed -r -i "s/^bridge=/#bridge=/" $hostapd_file + fi fi - echo "starting hostap daemon" + echo "Starting hostap daemon" /etc/init.d/hostapd start - if [ "$1" != "bridge" ]; then - echo "setting IP address of access point" - ifconfig $interface $1 + if [ "$bridge_mode" != 1 ]; then + echo "Setting IP address to $ip" + ifconfig $interface $ip + # strip off end of IP address to get subnet + # assumes subnet of /24 + subnet=${ip%.*} + # escape periods for regex + subnet_regex=${subnet//./\\.} + ip_regex=${ip//./\\.} + # set default address range for dhcpd + addr_start=100 + addr_end=254 + if ! grep -E -q "^start\s+$subnet_regex\." $dhcpd_file; then + echo "Changing dhcpd start to $subnet.$addr_start" + sed -r -i "s/^start\s+.*$/start $subnet.$addr_start/" $dhcpd_file + fi + if ! grep -E -q "^end\s+$subnet_regex\." $dhcpd_file; then + echo "Changing dhcpd end to $subnet.$addr_end" + sed -r -i "s/^end\s+.*$/end $subnet.$addr_end/" $dhcpd_file + fi + # update dhcpd addresses if needed + if ! grep -E -q "^option\s+router\s+$ip_regex" $dhcpd_file; then + echo "Changing dhcpd router to $ip" + sed -r -i "s/^option\s+router\s+.*$/option router $ip/" $dhcpd_file + fi + else + # unset ip address for bridge mode + ifconfig wlan0 0.0.0.0 fi if ! grep -E -q "^interface\s+$interface" $dhcpd_file; then @@ -29,43 +60,74 @@ do_start() { } do_stop() { - echo "stopping hostap daemon" + echo "Stopping hostap daemon" /etc/init.d/hostapd stop ocg-dhcpd stop } -# main -if [[ $# -lt 1 ]] -then - echo "usage: $0 start|stop|restart [access point IP address|\"bridge\"]" +usage() { + echo "Usage: $(basename $0) start|stop|restart [options]" + echo " options:" + echo " -a <address> Sets AP IP address (defaults to 192.168.3.1)" + echo " -b <interface> Add AP to specified bridge interface (conflicts with -a)" exit 1 -elif [[ $# -eq 2 ]] -then - if [ "$2" != "bridge" ]; then - ret=1 - if [[ $2 =~ ^([0-9]{1,3}\.){3,3}[0-9]{1,3}$ ]] - then - OIFS=$IFS - IFS='.' - ip=($2) - IFS=$OFIS - [[ ${ip[0]} -le 255 && ${ip[1]} -le 255 && ${ip[2]} -le 255 && ${ip[3]} -le 255 ]] - ret=$? - fi - if [[ ret -ne 0 ]] - then - echo "invalid IP address" - exit 1 - fi +} + +# main +if [[ $# < 1 ]]; then + usage +fi + +cmd=$1 +shift + +while getopts "a:b:h" opt; do + case "$opt" in + a) + a=$OPTARG + ;; + b) + b=$OPTARG + bridge_mode=1 + ;; + h) + usage + ;; + *) + usage + ;; + esac +done + +# can't specify both address and bridge mode +if [ -n "$a" ] && [ -n "$b" ]; then + usage +fi + +if [ -n "$a" ]; then + ret=1 + if [[ $a =~ ^([0-9]{1,3}\.){3,3}[0-9]{1,3}$ ]] + then + OIFS=$IFS + IFS='.' + ip=($a) + IFS=$OFIS + [[ ${ip[0]} -le 255 && ${ip[1]} -le 255 && ${ip[2]} -le 255 && ${ip[3]} -le 255 ]] + ret=$? fi - ip=$2 + if [[ ret -ne 0 ]] + then + echo "invalid IP address" + exit 1 + fi + ip=$a else - ip="192.168.2.1" + ip="192.168.3.1" fi -case $1 in +case $cmd in start) - do_start $ip + do_start ;; stop) do_stop @@ -73,7 +135,10 @@ case $1 in restart) do_stop sleep 1 - do_start $ip + do_start + ;; + *) + usage ;; esac |