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194 lines
5.9 KiB
194 lines
5.9 KiB
#!/bin/sh /etc/rc.common
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# Copyright (c) 2016-2022 Dirk Brenken (dev@brenken.org)
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# This is free software, licensed under the GNU General Public License v3.
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# set (s)hellcheck exceptions
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# shellcheck disable=2034,2086,2154,3043,3060
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START=25
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USE_PROCD=1
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extra_command "scan" "[<radio>|<ifname>] Scan for available nearby uplinks"
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extra_command "assoc" "[<radio>|<ifname>] Get MAC adresses of associated wlan stations"
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extra_command "setup" "[<iface>] [<zone>] [<metric>] Setup the travelmate uplink interface, by default 'trm_wwan' with firewall zone 'wan' and metric '100'"
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trm_init="/etc/init.d/travelmate"
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trm_script="/usr/bin/travelmate.sh"
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trm_pidfile="/var/run/travelmate.pid"
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boot() {
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if [ -s "${trm_pidfile}" ]; then
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: >"${trm_pidfile}"
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fi
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rc_procd start_service
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}
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start_service() {
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if "${trm_init}" enabled; then
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if [ "${action}" = "boot" ]; then
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return 0
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fi
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procd_open_instance "travelmate"
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procd_set_param command "${trm_script}" "${@}"
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procd_set_param pidfile "${trm_pidfile}"
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procd_set_param nice "$(uci_get travelmate global trm_nice "0")"
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procd_set_param stdout 1
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procd_set_param stderr 1
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procd_close_instance
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fi
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}
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reload_service() {
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local ppid pid timeout
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timeout="$(uci_get travelmate global trm_timeout)"
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if [ -s "${trm_pidfile}" ]; then
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ppid="$(cat "${trm_pidfile}" 2>/dev/null)"
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if [ -n "${ppid}" ]; then
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pid="$(pgrep -xnf "sleep ${timeout:-60} 0" -P ${ppid} 2>/dev/null)"
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if [ -n "${pid}" ]; then
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kill -INT ${pid} 2>/dev/null
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fi
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fi
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fi
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}
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stop_service() {
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rc_procd "${trm_script}" stop
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}
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status_service() {
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local key keylist value rtfile
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rtfile="$(uci_get travelmate global trm_rtfile "/tmp/trm_runtime.json")"
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json_load_file "${rtfile}" >/dev/null 2>&1
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if json_select data >/dev/null 2>&1; then
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printf "%s\n" "::: travelmate runtime information"
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json_get_keys keylist
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for key in ${keylist}; do
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json_get_var value "${key}"
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printf " + %-18s : %s\n" "${key}" "${value}"
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done
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else
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printf "%s\n" "::: no travelmate runtime information available"
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fi
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}
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scan() {
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local result scan_name radio="${1}"
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if [ -z "${radio}" ]; then
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scan_name="$(ubus -S call network.wireless status 2>/dev/null | jsonfilter -q -l1 -e '@[@.up=true].interfaces[0].ifname')"
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fi
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result="$(iwinfo "${radio:-${scan_name}}" scan 2>/dev/null |
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awk 'BEGIN{FS="[[:space:]]"}/Address:/{var1=$NF}/ESSID:/{var2="";
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for(i=12;i<=NF;i++)if(var2==""){var2=$i}else{var2=var2" "$i}}/Channel:/{var3=$NF}/Quality:/{split($NF,var0,"/")}/Encryption:/{var4="";
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for(j=12;j<=NF;j++)if(var4==""){var4=$j}else{var4=var4" "$j};printf " %-11i%-10s%-35s%-20s%s\n",(var0[1]*100/var0[2]),var3,var2,var1,var4}' |
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sort -rn)"
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printf "%s\n" "::: Available nearby uplinks on '${radio:-${scan_name}}'"
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printf "%s\n" ":::"
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if [ -n "${result}" ]; then
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printf "%-15s%-10s%-35s%-20s%s\n" " Strength" "Channel" "ESSID" "BSSID" "Encryption"
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printf "%s\n" " --------------------------------------------------------------------------------------"
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printf "%s\n" "${result}"
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else
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printf "%s\n" "::: Empty resultset"
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fi
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}
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setup() {
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local iface cnt=0 input="${1:-"trm_wwan"}" zone="${2:-"wan"}" metric="${3:-"100"}"
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iface="$(uci_get travelmate global trm_iface)"
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input="${input//[+*~%&\$@\"\' ]/}"
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zone="${zone//[+*~%&\$@\"\' ]/}"
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metric="${metric//[^0-9]/}"
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if [ -n "${iface}" ] && [ "${iface}" = "${input}" ]; then
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printf "%s\n" "The uplink interface '${input}' has been already configured"
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elif [ -n "${input}" ]; then
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if [ -n "${iface}" ]; then
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uci -q batch <<-EOC
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del network."${iface}"
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del network."${iface}6"
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EOC
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fi
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uci -q batch <<-EOC
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set travelmate.global.trm_enabled="1"
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set travelmate.global.trm_iface="${input}"
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set network."${input}"="interface"
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set network."${input}".proto="dhcp"
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set network."${input}".metric="${metric}"
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set network."${input}6"=interface
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set network."${input}6".device="@${input}"
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set network."${input}6".proto="dhcpv6"
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commit travelmate
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commit network
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EOC
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while [ -n "$(uci -q get firewall.@zone["${cnt}"].name)" ]; do
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if [ "$(uci -q get firewall.@zone["${cnt}"].name)" = "${zone}" ]; then
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if [ -n "${iface}" ]; then
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uci -q batch <<-EOC
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del_list firewall.@zone["${cnt}"].network="${iface}"
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del_list firewall.@zone["${cnt}"].network="${iface}6"
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EOC
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fi
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uci -q batch <<-EOC
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add_list firewall.@zone["${cnt}"].network="${input}"
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add_list firewall.@zone["${cnt}"].network="${input}6"
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commit firewall
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EOC
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break
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fi
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cnt=$((cnt + 1))
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done
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if [ -n "${iface}" ]; then
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cnt=0
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while [ -n "$(uci -q get wireless.@wifi-iface["${cnt}"].network)" ]; do
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if [ "$(uci -q get wireless.@wifi-iface["${cnt}"].network)" = "${iface}" ]; then
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uci -q set wireless.@wifi-iface["${cnt}"].network="${input}"
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fi
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cnt=$((cnt + 1))
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done
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uci -q commit wireless
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fi
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/etc/init.d/network reload >/dev/null 2>&1
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/etc/init.d/firewall reload >/dev/null 2>&1
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"${trm_init}" restart
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fi
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}
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assoc() {
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local result assoc_name radio="${1}"
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if [ -z "${radio}" ]; then
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assoc_name="$(ubus -S call network.wireless status 2>/dev/null | jsonfilter -q -l1 -e '@[@.*.*.config.mode="ap"].interfaces[0].ifname')"
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fi
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result="$(iwinfo "${radio:-${assoc_name}}" assoc 2>/dev/null | awk '/^[A-Z0-9:]+/{printf " %s\n",$1}')"
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printf "%s\n" "::: Associated wlan stations on '${radio:-${assoc_name}}'"
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printf "%s\n" ":::"
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if [ -n "${result}" ]; then
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printf "%s\n" " MAC addresses"
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printf "%s\n" " -----------------"
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printf "%s\n" "${result}"
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else
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printf "%s\n" "::: Empty resultset"
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fi
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}
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service_triggers() {
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local iface delay
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iface="$(uci_get travelmate global trm_iface)"
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delay="$(uci_get travelmate global trm_triggerdelay "2")"
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PROCD_RELOAD_DELAY=$((delay * 1000))
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if [ -n "${iface}" ]; then
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procd_add_interface_trigger "interface.*.down" "${iface}" "${trm_init}" reload
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fi
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procd_add_raw_trigger "interface.*.up" "${PROCD_RELOAD_DELAY}" "${trm_init}" start
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procd_add_config_trigger "config.change" "travelmate" "${trm_init}" restart
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}
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