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453 lines
16 KiB
Bash
453 lines
16 KiB
Bash
#!/bin/bash
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clear_old_networks() {
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# Get the mesh name from UCI config
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MESH_NAME=$(uci -q get easymesh.config.mesh_id)
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# Get all the radios and go through them one by one to remove old networks and interfaces with the same mesh name
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for CURRENT_RADIO in $(uci -X show wireless | grep wifi-device | awk -F'[.=]' '{print $2}'); do
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echo "Clearing old networks for radio: $CURRENT_RADIO"
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# Use awk to parse the 'uci show wireless' output and find the matching section
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matched_section=$(uci show wireless | awk -F. -v radio="$CURRENT_RADIO" -v ssid="$MESH_NAME" '
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$0 ~ /^wireless\.wifinet[0-9]+\.device=/ && $3 ~ radio { device_section=$2 }
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$0 ~ /^wireless\.wifinet[0-9]+\.ssid=/ && $3 ~ ssid && device_section == $2 { print $2; exit }
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')
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# Check if a matching section was found
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if [ -n "$matched_section" ]; then
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echo "The matching wireless interface section is: $matched_section - deleting it"
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uci delete wireless.$matched_section
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fi
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# Find and delete existing mesh network interfaces with the specified MESH_NAME on the current radio
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EXISTING_MESH=$(uci show wireless | grep -w "mesh_id='$MESH_NAME'" | grep ".$CURRENT_RADIO." | cut -d'.' -f1-2)
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for section in $EXISTING_MESH; do
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uci delete $section
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echo "The matching wireless interface section is: $section - deleting it"
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done
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# Commit changes to wireless
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uci commit
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done
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}
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create_bat0() {
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# Check if bat0 already exists
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if uci -q get network.bat0 >/dev/null; then
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echo "bat0 interface already exists."
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else
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uci set network.bat0=interface
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uci set network.bat0.proto='batadv'
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uci set network.bat0.routing_algo='BATMAN_IV'
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uci set network.bat0.aggregated_ogms='1'
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uci set network.bat0.ap_isolation='0'
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uci set network.bat0.bonding='1'
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uci set network.bat0.bridge_loop_avoidance='1'
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uci set network.bat0.distributed_arp_table='1'
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uci set network.bat0.fragmentation='1'
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uci set network.bat0.hop_penalty='30'
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uci set network.bat0.isolation_mark='0x00000000/0x00000000'
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uci set network.bat0.log_level='0'
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uci set network.bat0.multicast_fanout='16'
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uci set network.bat0.multicast_mode='1'
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uci set network.bat0.network_coding='0'
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uci set network.bat0.orig_interval='1000'
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echo "bat0 interface has been created."
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# Set the bat0 role
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BAT_ROLE=$(uci -q get easymesh.config.role)
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if [ "${BAT_ROLE}" == "server" ]; then
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uci set network.bat0.gw_mode='server'
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elif [ "${BAT_ROLE}" == "client" ]; then
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uci set network.bat0.gw_mode='client'
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else
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uci set network.bat0.gw_mode='off'
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fi
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# Get the current list of ports for the 'br-lan' interface
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LAN_PORTS=$(uci -q get network.@device[0].ports)
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# Check if 'bat0' is already in the list of ports for 'br-lan'
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if echo "$LAN_PORTS" | grep -q 'bat0'; then
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uci del_list network.@device[0].ports='bat0'
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echo "Old bat0 interface deleted from lan network."
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fi
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# Add 'bat0' to the list of ports for 'br-lan'
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uci add_list network.@device[0].ports='bat0'
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echo "bat0 has been added to the lan network."
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uci commit network
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fi
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}
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find_radios() {
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# Get the radio to be used for mesh from the config
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AP_RADIO=$(uci -q get easymesh.config.apRadio)
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# Check if AP_RADIO is empty, if so exit
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if [ -z "$AP_RADIO" ]; then
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echo "No radio specified in the config, exiting."
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exit 1
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fi
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# Check to make sure if "all" is passed or a single radio
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if [ "$AP_RADIO" == "all" ]; then
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# Get the list of wifi devices
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WIFI_RADIOS=$(uci -X show wireless | awk -F'[.=]' '/wifi-device/ {print $2}' | tr '\n' ' ')
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else
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# Set the radio to the one passed in the config
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WIFI_RADIOS=$AP_RADIO
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fi
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}
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process_radios() {
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# Check if WIFI_RADIOS contains more than one radio
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if [[ $WIFI_RADIOS =~ [[:space:]] ]]; then
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# Loop through all the radios and set them up
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for radio in $WIFI_RADIOS; do
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echo "Multiple Radio Setup, Current Radio: $radio"
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setup_mesh_radio $radio
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done
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else
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echo "Calling Single Radio Setup: $WIFI_RADIOS"
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setup_mesh_radio $WIFI_RADIOS
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fi
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}
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# This is called from the process_radios function and is passed the radio to be used for mesh
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setup_mesh_radio() {
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CURRENT_RADIO=$1
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echo "Setting up radio: $CURRENT_RADIO"
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# Get the mesh name from UCI config
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MESH_NAME=$(uci -q get easymesh.config.mesh_id)
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# Commit changes to wireless
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uci commit wireless
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uci set network.nwi_mesh_$CURRENT_RADIO=interface
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uci set network.nwi_mesh_$CURRENT_RADIO.proto='batadv_hardif'
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uci set network.nwi_mesh_$CURRENT_RADIO.master='bat0'
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uci set network.nwi_mesh_$CURRENT_RADIO.device='bat0'
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uci set network.nwi_mesh_$CURRENT_RADIO.mtu='1536'
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uci set wireless.mesh_$CURRENT_RADIO=wifi-iface
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uci set wireless.mesh_$CURRENT_RADIO.device=$CURRENT_RADIO
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uci set wireless.mesh_$CURRENT_RADIO.ifname=mesh_$CURRENT_RADIO
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uci set wireless.mesh_$CURRENT_RADIO.network=nwi_mesh_$CURRENT_RADIO
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uci set wireless.mesh_$CURRENT_RADIO.mode='mesh'
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uci set wireless.mesh_$CURRENT_RADIO.mesh_id=$MESH_NAME
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uci set wireless.mesh_$CURRENT_RADIO.mesh_fwding='0'
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uci set wireless.mesh_$CURRENT_RADIO.mesh_rssi_threshold='0'
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uci set wireless.mesh_$CURRENT_RADIO.mesh_ttl='1'
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uci set wireless.mesh_$CURRENT_RADIO.mcast_rate='24000'
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uci set wireless.mesh_$CURRENT_RADIO.disabled='0'
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uci commit wireless
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# Extact the radio number from the radio name
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RADIO_NUM="${CURRENT_RADIO#radio}"
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# Get the mobility domain from the config
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MOBILITY_DOMAIN=$(uci -q get easymesh.config.mobility_domain)
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# If mobility domain is empty, set it to a random 4 digit hex number, then set it in the config
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if [ -z "$MOBILITY_DOMAIN" ]; then
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MOBILITY_DOMAIN=$(hexdump -n 2 -e '2/1 "%02x"' /dev/urandom)
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uci set easymesh.config.mobility_domain=$MOBILITY_DOMAIN
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uci commit easymesh
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fi
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# Get the encryption enabled from the config
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ENCRYPTION_ENABLED=$(uci -q get easymesh.config.encryption)
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# Setup the interface for the mesh network
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uci set wireless.mesh_$CURRENT_RADIO.disabled='0'
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uci set wireless.wifinet$RADIO_NUM=wifi-iface
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uci set wireless.wifinet$RADIO_NUM.device=$CURRENT_RADIO
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uci set wireless.wifinet$RADIO_NUM.mode='ap'
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uci set wireless.wifinet$RADIO_NUM.ssid=$MESH_NAME
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uci set wireless.wifinet$RADIO_NUM.ieee80211r='1'
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uci set wireless.wifinet$RADIO_NUM.mobility_domain=$MOBILITY_DOMAIN
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uci set wireless.wifinet$RADIO_NUM.ft_over_ds='0'
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uci set wireless.wifinet$RADIO_NUM.ft_psk_generate_local='0'
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uci set wireless.wifinet$RADIO_NUM.network='lan'
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uci set wireless.wifinet$RADIO_NUM.disabled=0
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# Get the encryption key from the config
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NETWORK_KEY=$(uci -q get easymesh.config.key)
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# Check if encryption is enabled and if the key is not empty
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if [ "$ENCRYPTION_ENABLED" = 1 ] && [ ! -z $NETWORK_KEY ]; then
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uci set wireless.mesh_$CURRENT_RADIO.encryption='sae'
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uci set wireless.mesh_$CURRENT_RADIO.key=$NETWORK_KEY
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uci set wireless.wifinet$RADIO_NUM.encryption='sae-mixed'
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uci set wireless.wifinet$RADIO_NUM.key=$NETWORK_KEY
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else
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uci set wireless.mesh_$CURRENT_RADIO.encryption='none'
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uci set wireless.wifinet$RADIO_NUM.encryption='none'
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[ -z $NETWORK_KEY ] && echo "Encryption key is empty, so encryption was disabled."
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fi
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# Commit our block of changes to wireless
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uci commit wireless
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# Check if we need to setup kvr
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ENABLE_KVR=$(uci -q get easymesh.config.kvr)
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if [ "$ENABLE_KVR" = 1 ]; then
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uci set wireless.wifinet$RADIO_NUM.ieee80211k='1'
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uci set wireless.wifinet$RADIO_NUM.rrm_neighbor_report='1'
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uci set wireless.wifinet$RADIO_NUM.rrm_beacon_report='1'
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uci set wireless.wifinet$RADIO_NUM.ieee80211v='1'
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uci set wireless.wifinet$RADIO_NUM.bss_transition='1'
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uci set wireless.wifinet$RADIO_NUM.ieee80211r='1'
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uci set wireless.wifinet$RADIO_NUM.ft_over_ds='1'
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uci set wireless.wifinet$RADIO_NUM.ft_psk_generate_local='1'
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uci commit wireless
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else
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uci -q delete wireless.wifinet$RADIO_NUM.ieee80211k
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uci -q delete wireless.wifinet$RADIO_NUM.ieee80211v
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uci -q delete wireless.wifinet$RADIO_NUM.ieee80211r
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uci commit wireless
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fi
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# Check if we need to setup iapp
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ENABLE_IAPP=$(uci -q get easymesh.config.iapp)
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if [ "$ENABLE_IAPP" = 1 ]; then
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# Get the LAN interface name
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LAN_NAME=$(uci -q get network.@device[0].name)
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# If LAN_NAME is not empty, set the iapp interface
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if [ ! -z "$LAN_NAME" ]; then
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uci set wireless.wifinet$RADIO_NUM.iapp_interface="$LAN_NAME"
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uci commit wireless
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fi
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else
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uci -q delete wireless.wifinet$RADIO_NUM.iapp_interface
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uci commit wireless
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fi
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# If KVR is enabled, setup DAWN
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if [ "$ENABLE_KVR" = 1 ]; then
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RSSI=$(uci -q get easymesh.config.rssi_val)
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LOW_RSSI=$(uci -q get easymesh.config.low_rssi_val)
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uci set dawn.@metric[0].rssi_val=$RSSI
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uci set dawn.@metric[0].low_rssi_val=$LOW_RSSI
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uci commit dawn
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/etc/init.d/dawn enable && /etc/init.d/dawn start
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else
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/etc/init.d/dawn stop && /etc/init.d/dawn disable
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fi
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# Commit our block of changes to the configs
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uci commit
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}
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restart_and_reload() {
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# Enable all the radios and commit the changes at once
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for radio in $(uci -X show wireless | grep wifi-device | awk -F'[.=]' '{print $2}'); do
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echo "Enabling $radio..."
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uci set wireless.$radio.disabled=0
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done
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uci commit
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echo "All radios enabled."
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# Apply the wireless configuration changes
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wifi reload
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echo "Wireless interfaces reloaded."
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# Apply network configuration changes
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# Note: Only use reload_config if you have made changes to the network config
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# and need to apply them. Otherwise, you can skip this step.
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reload_config
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echo "Network configuration reloaded."
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/etc/init.d/network reload
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/etc/init.d/network restart
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}
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disable_easymesh() {
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# Delete the bat0 interface
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if [ "$(uci -q get network.bat0)" = "interface" ]; then
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uci del network.bat0
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fi
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# Get the current list of ports for the 'br-lan' interface
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LAN_PORTS=$(uci -q get network.@device[0].ports)
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# Check if 'bat0' is already in the list of ports for 'br-lan'
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if echo "$LAN_PORTS" | grep -q 'bat0'; then
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uci del_list network.@device[0].ports='bat0'
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echo "Old bat0 interface deleted from lan network."
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fi
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# Get the list of wifi devices
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WIFI_RADIOS=$(uci -X show wireless | awk -F'[.=]' '/wifi-device/ {print $2}' | tr '\n' ' ')
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# Loop through all the radios and delete the network interfaces
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for CURRENT_RADIO in $WIFI_RADIOS; do
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echo "Handling removal of mesh networks for: $CURRENT_RADIO"
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if [ "$(uci -q get network.nwi_mesh_$CURRENT_RADIO)" = "interface" ]; then
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uci del network.nwi_mesh_$CURRENT_RADIO
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uci commit network
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fi
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done
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uci commit
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reload_config
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echo "Network configuration reloaded."
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/etc/init.d/network reload
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/etc/init.d/network restart
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}
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set_apmode() {
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AP_MODE=$(uci -q get easymesh.config.ap_mode)
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if [ "$AP_MODE" = 1 ]; then
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# Set a flag to indicate that we are in AP mode
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# When we go to disable easymesh, we will check this flag and if it was set we restore settings
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uci set easymesh.config.ap_mode_enabled=1
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# Backup our configs
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rm /etc/config/*.meshbak
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cp /etc/config/wireless /etc/config/wireless.meshbak
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cp /etc/config/network /etc/config/network.meshbak
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cp /etc/config/dhcp /etc/config/dhcp.meshbak
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# Generate a random IP in the same subnet for fun
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# ip_base=$(echo "$dns" | cut -d'.' -f1-3) # Get the first three octets of the DNS IP
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# last_octet=$((RANDOM % 254 + 1)) # Generate a random value for the last octet between 1 and 254
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# nodeip="${ip_base}.${last_octet}" # Concatenate the base IP with the new last octet
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# Disabling and stopping services not needed
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for service in firewall dnsmasq odhcpd; do
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if /etc/init.d/$service enabled; then
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echo "Disabling and stopping $service..."
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/etc/init.d/$service disable
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/etc/init.d/$service stop
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else
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echo "$service is not enabled, skipping..."
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fi
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done
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# Set LAN interface to DHCP client
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uci del network.lan.ipaddr
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uci del network.lan.netmask
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uci set network.lan.proto='dhcp'
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uci del network.wan
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uci del network.wan6
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# Fix firewall to be disabled
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uci del firewall.lan.network
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uci del firewall.wan.network
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# Fix dhcp to be disabled
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uci set dhcp.lan.ignore='1'
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uci del dhcp.wan
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# Fix this for proper variable name
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HOSTNAME=$(uci -q get easymesh.config.gateway)
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# Set netmask and gateway (assuming $netmask and $dns didn't break more stuff)
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uci set system.@system[0].hostname=$HOSTNAME
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# Retrieve the list of ports for network.@device[0]
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LAN_PORTS=$(uci get network.@device[0].ports)
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# Check if 'wan' is already in the list of ports
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if echo "$LAN_PORTS" | grep -q -w 'wan'; then
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echo "'wan' is already in the list of ports for lan."
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else
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echo "'wan' is not in the list. Adding it to lan ports..."
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uci add_list network.@device[0].ports='wan'
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fi
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# Find all radios we are using in our setup
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find_radios
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#### COME BACK TO THIS ####
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# # Check if WIFI_RADIOS contains more than one radio
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# if [[ $WIFI_RADIOS =~ [[:space:]] ]]; then
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# # Loop through all the radios add nwimesh to the that network
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# for cur_radio in $WIFI_RADIOS; do
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# echo "Multiple Radio Setup, Current Radio: $radio"
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# # Extact the radio number from the radio name
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# wifi_num="${cur_radio#radio}"
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# uci set wireless.wifinet${wifi_num}.network="lan nwi_mesh_${cur_radio}"
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# done
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# else
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# echo "Calling Single Radio Setup: $WIFI_RADIOS"
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# # Extact the radio number from the radio name
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# wifi_num="${WIFI_RADIOS#radio}"
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# uci set wireless.wifinet${wifi_num}.network="lan nwi_mesh_${WIFI_RADIOS}"
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# fi
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uci commit
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# Tell openwrt to reload the configs
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reload_config
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else
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# Set a flag to indicate that we are in AP mode
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uci set easymesh.config.ap_mode_enabled=0
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# Restore our configs
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[ -f /etc/config/wireless.meshbak ] && {
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mv /etc/config/wireless /etc/config/wireless.dumbap
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cp /etc/config/wireless.meshbak /etc/config/wireless
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}
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[ -f /etc/config/network.meshbak ] && {
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mv /etc/config/network /etc/config/network.dumbap
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cp /etc/config/network.meshbak /etc/config/network
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}
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[ -f /etc/config/dhcp.meshbak ] && {
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mv /etc/config/dhcp /etc/config/dhcp.dumbap
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cp /etc/config/dhcp.meshbak /etc/config/dhcp
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}
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# Enable and start services not needed
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for service in firewall dnsmasq odhcpd; do
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if /etc/init.d/$service disabled; then
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echo "Enabling and starting $service..."
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/etc/init.d/$service enable
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/etc/init.d/$service start
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else
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echo "$service is not disabled, skipping..."
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fi
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done
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reload_config
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/etc/init.d/network reload
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fi
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}
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# ENABLED=$(uci -q get easymesh.config.enabled)
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# if [ "$ENABLED" = 1 ]; then
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# clear_old_networks
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# create_bat0
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# find_radios
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# process_radios
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# restart_and_reload
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# else
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# clear_old_networks
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# disable_easymesh
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# fi
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# We accept the parameters: start, stop and apmode
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# start: Enables easymesh
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# stop: Disables easymesh
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# apmode: Sets the device to AP mode
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if [ "$1" = "start" ]; then
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clear_old_networks
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create_bat0
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find_radios
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process_radios
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restart_and_reload
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elif [ "$1" = "stop" ]; then
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clear_old_networks
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disable_easymesh
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# elif [ "$1" = "apmode" ]; then
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# set_apmode
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else
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|
echo "Invalid parameter passed."
|
|
fi
|