mirror of
https://github.com/laurivosandi/certidude
synced 2025-09-08 06:20:57 +00:00
Integrate LEDE image builder
This commit is contained in:
197
doc/overlay/etc/hotplug.d/iface/50-certidude
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197
doc/overlay/etc/hotplug.d/iface/50-certidude
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#!/bin/sh
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# To paste, press Ctrl-D to finish: cat > /etc/hotplug.d/iface/50-certidude
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# To test: ACTION=ifup INTERFACE=wan sh /etc/hotplug.d/iface/50-certidude
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# TODO: renewal
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[ $ACTION == "ifup" ] || exit 0
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[ $INTERFACE == "wan" ] || exit 0
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# TODO: iterate over all authorities
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AUTHORITY=certidude.@authority[0]
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URL=$(uci get $AUTHORITY.url)
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GATEWAY=$(uci get $AUTHORITY.gateway)
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COMMON_NAME=$(uci get $AUTHORITY.common_name)
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if [ $? -ne 0 ]; then
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COMMON_NAME=$(uci get system.@system[0].hostname)
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fi
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KEY_PATH=$(uci get $AUTHORITY.key_path)
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KEY_TYPE=$(uci get $AUTHORITY.key_type)
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KEY_LENGTH=$(uci get $AUTHORITY.key_length)
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CERTIFICATE_PATH=$(uci get $AUTHORITY.certificate_path)
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REQUEST_PATH=$(uci get $AUTHORITY.request_path)
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AUTHORITY_PATH=$(uci get $AUTHORITY.authority_path)
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RED_LED=/sys/class/leds/$(uci get $AUTHORITY.red_led)
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GREEN_LED=/sys/class/leds/$(uci get $AUTHORITY.green_led)
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NTP_SERVERS=$(uci get system.ntp.server)
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logger -t certidude -s "Fetching time from NTP servers: $NTP_SERVERS"
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ntpd -q -n -d -p $NTP_SERVERS
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logger -t certidude -s "Time is now: $(date)"
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# If certificate file is there assume everything's set up
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if [ -f $CERTIFICATE_PATH ]; then
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SERIAL=$(openssl x509 -in $CERTIFICATE_PATH -noout -serial | cut -d "=" -f 2 | tr [A-F] [a-f])
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logger -t certidude -s "Certificate with serial $SERIAL already exists, attempting to bring up IPsec tunnel..."
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ipsec up client-to-site
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exit 0
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fi
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# Turn green off and red on
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if [ -d $GREEN_LED ] && [ -d $RED_LED ]; then
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echo timer > $GREEN_LED/trigger
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echo 100 | tee $GREEN_LED/delay_*
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echo none > $RED_LED/trigger
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fi
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#########################################
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### Generate private key if necessary ###
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#########################################
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if [ ! -f $KEY_PATH ]; then
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KEY_TEMP=$(mktemp -u)
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logger -t certidude -s "Generating RSA key for IPsec..."
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if [ -d $GREEN_LED ]; then
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echo 250 | tee $GREEN_LED/delay_*
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fi
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openssl gen$KEY_TYPE -out $KEY_TEMP $KEY_LENGTH
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chmod 0600 $KEY_TEMP
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mv $KEY_TEMP $KEY_PATH
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fi
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############################
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### Fetch CA certificate ###
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############################
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if [ ! -f $AUTHORITY_PATH ]; then
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AUTHORITY_TEMP=$(mktemp -u)
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logger -t certidude -s "Fetching CA certificate from $URL/api/certificate/"
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curl -f -s $URL/api/certificate/ > $AUTHORITY_TEMP
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if [ $? -ne 0 ]; then
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logger -t certidude -s "Failed to receive CA certificate, server responded: $(cat $AUTHORITY_TEMP)"
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if [ -d $GREEN_LED ] && [ -d $RED_LED ]; then
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echo none > $GREEN_LED/trigger
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echo timer > $RED_LED/trigger
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echo 100 | tee $RED_LED/delay_*
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fi
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exit 10
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fi
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openssl x509 -in $AUTHORITY_TEMP -noout
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if [ $? -ne 0 ]; then
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logger -t certidude -s "Received invalid CA certificate"
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if [ -d $GREEN_LED ] && [ -d $RED_LED ]; then
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echo none > $GREEN_LED/trigger
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echo timer > $RED_LED/trigger
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echo 250 | tee $RED_LED/delay_*
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fi
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exit 11
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fi
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mv $AUTHORITY_TEMP $AUTHORITY_PATH
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fi
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logger -t certidude -s "CA certificate md5sum: $(md5sum -b $AUTHORITY_PATH)"
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#####################################
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### Generate request if necessary ###
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#####################################
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if [ ! -f $REQUEST_PATH ]; then
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REQUEST_TEMP=$(mktemp -u)
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openssl req -new -sha256 -key $KEY_PATH -out $REQUEST_TEMP -subj "/CN=$COMMON_NAME"
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mv $REQUEST_TEMP $REQUEST_PATH
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fi
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logger -t certidude -s "Request md5sum is $(md5sum -b $REQUEST_PATH)"
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# Wait for certificate
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if [ -d $GREEN_LED ]; then
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echo 500 | tee $GREEN_LED/delay_*
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fi
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CERTIFICATE_TEMP=$(mktemp -u)
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curl -f -L \
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-H "Content-Type: application/pkcs10" \
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--data-binary @$REQUEST_PATH \
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$URL/api/request/?autosign=true\&wait=yes > $CERTIFICATE_TEMP
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# TODO: Loop until we get exitcode 0
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# TODO: Use backoff time $((2\*X))
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if [ $? -ne 0 ]; then
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echo "Failed to fetch certificate"
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if [ -d $GREEN_LED ] && [ -d $RED_LED ]; then
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echo none > $GREEN_LED/trigger
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echo timer > $RED_LED/trigger
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echo 500 | tee $RED_LED/delay_*
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fi
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exit 21
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fi
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# Verify certificate
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openssl verify -CAfile $AUTHORITY_PATH $CERTIFICATE_TEMP
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if [ $? -ne 0 ]; then
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logger -t certidude -s "Received bogus certificate!"
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if [ -d $GREEN_LED ] && [ -d $RED_LED ]; then
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echo none > $GREEN_LED/trigger
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echo timer > $RED_LED/trigger
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echo 1000 | tee $RED_LED/delay_*
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fi
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exit 22
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fi
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logger -t certidude -s "Certificate md5sum: $(md5sum -b $CERTIFICATE_TEMP)"
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###################################
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### Generate /etc/ipsec.secrets ###
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###################################
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SECRETS_TEMP=$(mktemp -u)
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for filename in /etc/ipsec.d/private/*.pem; do
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echo ": RSA $filename" >> $SECRETS_TEMP
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done
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uci commit
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mv $SECRETS_TEMP /etc/ipsec.secrets
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mv $IPSEC_TEMP /etc/ipsec.conf
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mv $CERTIFICATE_TEMP $CERTIFICATE_PATH
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# Enable services
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/etc/init.d/ipsec enable
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# Restart services
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/etc/init.d/ipsec restart
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sleep 2
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ipsec up client-to-site
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32
doc/overlay/etc/profile
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32
doc/overlay/etc/profile
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#!/bin/sh
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[ -f /etc/banner ] && cat /etc/banner
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[ -e /tmp/.failsafe ] && cat /etc/banner.failsafe
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export PATH=/usr/bin:/usr/sbin:/bin:/sbin
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export HOME=$(grep -e "^${USER:-root}:" /etc/passwd | cut -d ":" -f 6)
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export HOME=${HOME:-/root}
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export PS1='\u@\h:\w\$ '
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[ -z "$KSH_VERSION" -o \! -s /etc/mkshrc ] || . /etc/mkshrc
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[ -x /bin/more ] || alias more=less
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[ -x /usr/bin/vim ] && alias vi=vim || alias vim=vi
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[ -x /usr/bin/arp ] || arp() { cat /proc/net/arp; }
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[ -x /usr/bin/ldd ] || ldd() { LD_TRACE_LOADED_OBJECTS=1 $*; }
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HOSTNAME=$(uci get system.@system[0].hostname)
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DOMAIN=$(uci -q get dhcp.@dnsmasq[0].domain)
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if [ $? -eq 0 ]; then
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FQDN=$HOSTNAME.$DOMAIN
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else
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FQDN=$HOSTNAME
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fi
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export PS1='\[\033[01;31m\]$FQDN\[\033[01;34m\] \W #\[\033[00m\] '
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case "$TERM" in
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xterm*|rxvt*)
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echo -ne "\033]0;${USER}@${FQDN}:${PWD}\007"
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;;
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*)
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;;
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esac
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21
doc/overlay/etc/uci-defaults/40-hostname
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21
doc/overlay/etc/uci-defaults/40-hostname
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MODEL=$(cat /etc/board.json | jsonfilter -e '@["model"]["id"]')
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# Hostname prefix
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case $MODEL in
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tl-*|archer-*) VENDOR=tplink ;;
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cf-*) VENDOR=comfast ;;
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*) VENDOR=ap ;;
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esac
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# Network interface with relevant MAC address
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case $MODEL in
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tl-wdr*) NIC=wlan1 ;;
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archer-*) NIC=eth1 ;;
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cf-e380ac-v2) NIC=eth0 ;;
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*) NIC=wlan0 ;;
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esac
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HOSTNAME=$VENDOR-$(cat /sys/class/net/$NIC/address | cut -d : -f 4- | sed -e 's/://g')
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uci set system.@system[0].hostname=$HOSTNAME
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uci set network.lan.hostname=$HOSTNAME
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66
doc/overlay/etc/uci-defaults/50-access-point
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66
doc/overlay/etc/uci-defaults/50-access-point
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# Disable DHCP servers
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/etc/init.d/odhcpd disable
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/etc/init.d/dnsmasq disable
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# Remove firewall rules since AP bridges ethernet to wireless anyway
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uci delete firewall.@zone[1]
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uci delete firewall.@zone[0]
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uci delete firewall.@forwarding[0]
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for j in $(seq 0 10); do uci delete firewall.@rule[0]; done
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# Remove WAN interface
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uci delete network.wan
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uci delete network.wan6
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# Reconfigure DHCP client for bridge over LAN and WAN ports
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uci delete network.lan.ipaddr
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uci delete network.lan.netmask
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uci delete network.lan.ip6assign
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uci delete network.globals.ula_prefix
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uci delete network.@switch_vlan[1]
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uci delete dhcp.@dnsmasq[0].domain
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uci set network.lan.proto=dhcp
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uci set network.lan.ipv6=0
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uci set network.lan.ifname='eth0'
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uci set network.lan.stp=1
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# Radio ordering differs among models
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case $(uci get wireless.radio0.hwmode) in
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11a) uci rename wireless.radio0=radio5ghz;;
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11g) uci rename wireless.radio0=radio2ghz;;
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esac
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case $(uci get wireless.radio1.hwmode) in
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11a) uci rename wireless.radio1=radio5ghz;;
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11g) uci rename wireless.radio1=radio2ghz;;
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esac
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# Reset virtual SSID-s
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uci delete wireless.@wifi-iface[1]
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uci delete wireless.@wifi-iface[0]
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# Pseudorandomize channel selection, should work with 80MHz on 5GHz band
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case $(uci get system.@system[0].hostname | md5sum) in
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1*|2*|3*|4*) uci set wireless.radio2ghz.channel=1; uci set wireless.radio5ghz.channel=36 ;;
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5*|6*|7*|8*) uci set wireless.radio2ghz.channel=5; uci set wireless.radio5ghz.channel=52 ;;
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9*|0*|a*|b*) uci set wireless.radio2ghz.channel=9; uci set wireless.radio5ghz.channel=100 ;;
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c*|d*|e*|f*) uci set wireless.radio2ghz.channel=13; uci set wireless.radio5ghz.channel=132 ;;
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esac
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# Create bridge for guests
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uci set network.guest=interface
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uci set network.guest.proto='static'
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uci set network.guest.address='0.0.0.0'
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uci set network.guest.type='bridge'
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uci set network.guest.ifname='eth0.156' # tag id 156 for guest network
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uci set network.guest.ipaddr='0.0.0.0'
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uci set network.guest.ipv6=0
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uci set network.guest.stp=1
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# Disable switch tagging and bridge all ports on TP-Link WDR3600/WDR4300
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case $(cat /etc/board.json | jsonfilter -e '@["model"]["id"]') in
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tl-wdr*)
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uci set network.@switch[0].enable_vlan=0
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uci set network.@switch_vlan[0].ports='0 1 2 3 4 5 6'
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;;
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*) ;;
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esac
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