kopia lustrzana https://github.com/cyoung/stratux
115 wiersze
3.8 KiB
Bash
Executable File
115 wiersze
3.8 KiB
Bash
Executable File
#!/bin/bash
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#####
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##### Wifi/AP control file
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#####
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##### Description: All the scripting related to the AP and wireless functions for Stratux should be placed in this file
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##### This file is called when wlan0 is started i.e. "ifup wlan0"
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##### This script is called from /etc/network/interfaces by the line "post-up /usr/sbin/stratux-wifi.sh" under the wlan0 configuration
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#####
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# common variables
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DAEMON_USER_PREF=/etc/hostapd/hostapd.user
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##### Function for setting up new file structure for hostapd settings
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##### Look for hostapd.user and if found do nothing.
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##### If not assume because of previous version and convert to new file structure
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function hostapd-upgrade {
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DAEMON_CONF=/etc/hostapd/hostapd.conf
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DAEMON_CONF_EDIMAX=/etc/hostapd/hostapd-edimax.conf
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HOSTAPD_VALUES=('ssid=' 'channel=' 'auth_algs=' 'wpa=' 'wpa_passphrase=' 'wpa_key_mgmt=' 'wpa_pairwise=' 'rsn_pairwise=')
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HOSTAPD_VALUES_RM=('#auth_algs=' '#wpa=' '#wpa_passphrase=' '#wpa_key_mgmt=' '#wpa_pairwise=' '#rsn_pairwise=')
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for i in "${HOSTAPD_VALUES[@]}"
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do
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if grep -q "^$i" $DAEMON_CONF
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then
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grep "^$i" $DAEMON_CONF >> $DAEMON_USER_PREF
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sed -i '/^'"$i"'/d' $DAEMON_CONF
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sed -i '/^'"$i"'/d' $DAEMON_CONF_EDIMAX
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fi
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done
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for i in "${HOSTAPD_VALUES_RM[@]}"
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do
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if grep -q "^$i" $DAEMON_CONF
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then
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sed -i '/^'"$i"'/d' $DAEMON_CONF
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sed -i '/^'"$i"'/d' $DAEMON_CONF_EDIMAX
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fi
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done
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sleep 1 #make sure there is time to get the file written before checking for it again
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# If once the code above runs and there is still no hostapd.user file then something is wrong and we will just create the file with basic settings.
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# Any more then this they somebody was messing with things and its not our fault things are this bad
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if [ ! -f $DAEMON_USER_PREF ]; then
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echo "ssid=stratux" > $DAEMON_USER_PREF
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echo "channel=1" >> $DAEMON_USER_PREF
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fi
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}
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##### End hostapd settings structure function
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function mac-ssid {
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T=`grep '^ssid=merlin' $DAEMON_USER_PREF`
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if [ -z "$T" ] ; then
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# Need to "upgrade" the ssid.
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MAC=`ifconfig wlan0 | awk '/^[a-z]/ { iface=$1; mac=$NF; next } /inet addr:/ { print mac }' | cut -d: -f4,5 | sed -e 's/://'`
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grep -v "^ssid=" $DAEMON_USER_PREF >${DAEMON_USER_PREF}.tmp
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echo "ssid=merlin-${MAC}" >>${DAEMON_USER_PREF}.tmp
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mv -f ${DAEMON_USER_PREF}.tmp ${DAEMON_USER_PREF}
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touch /etc/Merlin
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fi
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}
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##### Hostapd Driver check function #####
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function ap-start {
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# Preliminaries. Kill off old services.
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/usr/bin/killall -9 hostapd hostapd-edimax hostapd-edimax-alt hostapd-edimax-newest
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/usr/sbin/service isc-dhcp-server stop
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#EDIMAX Mac Addresses from http://www.adminsub.net/mac-address-finder/edimax
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#for logic check all addresses must be lowercase
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# 74:da:38 is my MAC on my NANO
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edimaxMac=(80:1f:02 74:da:38 00:50:fc 00:1f:1f 00:0e:2e 00:00:b4)
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#Assume PI3 settings
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DAEMON_CONF=/etc/hostapd/hostapd.conf
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DAEMON_SBIN=/usr/sbin/hostapd
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# Location of temporary hostapd.conf built by combining
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# non-editable /etc/hostapd/hostapd.conf or hostapd-edimax.conf
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# and the user configurable /etc/hostapd/hostapd.conf
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DAEMON_TMP=/tmp/hostapd.conf
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#get the first 3 octets of the MAC(XX:XX:XX) at wlan0
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wlan0mac=$(head -c 8 /sys/class/net/wlan0/address)
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# Is there an Edimax Mac Address at wlan0
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if [[ ${edimaxMac[*]} =~ "$wlan0mac" ]]; then
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DAEMON_CONF=/etc/hostapd/hostapd-edimax.conf
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DAEMON_SBIN=/usr/sbin/hostapd-edimax
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fi
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#Make a new hostapd or hostapd-edimax conf file based on logic above
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cat ${DAEMON_USER_PREF} <(echo) ${DAEMON_CONF} > ${DAEMON_TMP}
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${DAEMON_SBIN} -B ${DAEMON_TMP}
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sleep 3
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/usr/sbin/service isc-dhcp-server start
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}
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##### End Hostapd driver check function #####
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#Do we need to upgrade the hostapd configuration files
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if [ ! -f $DAEMON_USER_PREF ]; then
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hostapd-upgrade
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fi
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if [ -e /etc/Merlin ]; then
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mac-ssid
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fi
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# function to build /tmp/hostapd.conf and start AP
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ap-start
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