openwrt: add file to turn router into wifi client

openwrt/openwrt-viwib-camera.sh

@@ -0,0 +1,80 @@
+#!/bin/sh
+# Nico Schottelius, 2024-07-22
+# This script assumes a clean/newly setup openwrt device
+#
+# Assumption:
+# VIWIB being used to...
+# - monitor camera
+
+if [ $# -lt 8 ] ; then
+    echo $0 "address hostname passwd wifi-ssid wifi-psk"
+fi
+
+address=$1; shift
+hostname=$1; shift
+root_password=$1; shift
+wifi_ssid=$1; shift
+wifi_psk=$1; shift
+
+# Allow passwordless to avoid nightmare
+cat ~/.ssh/id_rsa.pub | ssh root@${address} "cat > /etc/dropbear/authorized_keys"
+
+cat <<EOF | ssh -t "root@${address}"
+set -x
+# Do not announce ULA - we have GUA
+uci delete network.globals.ula_prefix
+
+# Remove IPv6 assign, we are using static IPv6
+uci delete network.lan.ip6assign
+
+# Set hostname
+uci set system.@system[0].hostname="${hostname}"
+
+# Disable DHCP/RA on LAN
+uci delete dhcp.lan.dhcpv4
+uci delete dhcp.lan.dhcpv6
+uci delete dhcp.lan.ra
+uci set dhcp.lan.ignore=1
+
+# Base wifi settings
+uci set wireless.radio0.channel='auto'
+
+# Remove old AP entry
+uci delete wireless.default_radio0
+
+# Create device for wifi
+uci set network.wwan=interface
+uci set network.wwan.proto=dhcpv6
+uci set network.wwan.device=phy0-sta0
+
+# Add wwan to lan zone, if it is not in there already
+is_in=""
+for net in \$(uci get firewall.@zone[0].network); do
+  echo \$net | grep ^wwan\$ && is_in=yes && break
+done
+
+if [ -z "\$is_in" ]; then
+  uci add_list firewall.@zone[0].network="wwan"
+fi
+
+# Create wireless entry for wifi
+uci set wireless.wifinet1=wifi-iface
+uci set wireless.wifinet1.device='radio0'
+uci set wireless.wifinet1.mode='sta'
+uci set wireless.wifinet1.network='wwan'
+uci set wireless.wifinet1.ssid='${wifi_ssid}'
+uci set wireless.wifinet1.encryption='psk2'
+uci set wireless.wifinet1.key='${wifi_psk}'
+
+uci delete wireless.radio0.disabled
+
+uci commit
+
+printf "${root_password}\n${root_password}\n" | passwd
+
+# Apply all changes
+reboot
+
+EOF
+
+echo "Restart router to restart firewall, network, dhcp"