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- #!/bin/sh
- # travelmate, a wlan connection manager for travel router
- # written by Dirk Brenken (dev@brenken.org)
-
- # This is free software, licensed under the GNU General Public License v3.
- # You should have received a copy of the GNU General Public License
- # along with this program. If not, see <http://www.gnu.org/licenses/>.
-
- # (s)hellcheck exceptions
- # shellcheck disable=1091 disable=2039 disable=2143 disable=2181 disable=2188
-
- # set initial defaults
- #
- LC_ALL=C
- PATH="/usr/sbin:/usr/bin:/sbin:/bin"
- trm_ver="1.5.0"
- trm_enabled=0
- trm_debug=0
- trm_iface="trm_wwan"
- trm_captive=1
- trm_proactive=1
- trm_netcheck=0
- trm_autoadd=0
- trm_captiveurl="http://captive.apple.com"
- trm_scanbuffer=1024
- trm_minquality=35
- trm_maxretry=5
- trm_maxwait=30
- trm_timeout=60
- trm_listexpiry=0
- trm_radio=""
- trm_connection=""
- trm_rtfile="/tmp/trm_runtime.json"
- trm_fetch="$(command -v uclient-fetch)"
- trm_iwinfo="$(command -v iwinfo)"
- trm_wpa="$(command -v wpa_supplicant)"
- trm_action="${1:-"start"}"
- trm_pidfile="/var/run/travelmate.pid"
-
- # trim leading and trailing whitespace characters
- #
- f_trim()
- {
- local IFS trim="${1}"
-
- trim="${trim#"${trim%%[![:space:]]*}"}"
- trim="${trim%"${trim##*[![:space:]]}"}"
- printf '%s' "${trim}"
- }
-
- # load travelmate environment
- #
- f_envload()
- {
- local IFS check wpa_checks
-
- # (re-)initialize global list variables
- #
- unset trm_devlist trm_stalist trm_radiolist trm_active_sta
-
- # get system information
- #
- trm_sysver="$(ubus -S call system board 2>/dev/null | jsonfilter -e '@.model' -e '@.release.description' | \
- awk 'BEGIN{ORS=", "}{print $0}' | awk '{print substr($0,1,length($0)-2)}')"
-
- # get wpa_supplicant capabilities
- #
- wpa_checks="eap sae owe"
- for check in ${wpa_checks}
- do
- if [ -x "${trm_wpa}" ]
- then
- eval "trm_${check}check=\"$("${trm_wpa}" -v${check} >/dev/null 2>&1; printf "%u" "${?}")\""
- else
- eval "trm_${check}check=\"1\""
- fi
- done
-
- # load config and check 'enabled' option
- #
- config_cb()
- {
- local name="${1}" type="${2}"
- if [ "${name}" = "travelmate" ] && [ "${type}" = "global" ]
- then
- option_cb()
- {
- local option="${1}" value="${2}"
- eval "${option}=\"${value}\""
- }
- else
- option_cb()
- {
- return 0
- }
- fi
- }
- config_load travelmate
-
- if [ "${trm_enabled}" -ne 1 ]
- then
- f_log "info" "travelmate is currently disabled, please set 'trm_enabled' to '1' to use this service"
- exit 0
- fi
-
- # validate input ranges
- #
- if [ "${trm_minquality}" -lt 20 ] || [ "${trm_minquality}" -gt 80 ]
- then
- trm_minquality=35
- fi
- if [ "${trm_listexpiry}" -lt 0 ] || [ "${trm_listexpiry}" -gt 300 ]
- then
- trm_listexpiry=0
- fi
- if [ "${trm_maxretry}" -lt 1 ] || [ "${trm_maxretry}" -gt 10 ]
- then
- trm_maxretry=5
- fi
- if [ "${trm_maxwait}" -lt 20 ] || [ "${trm_maxwait}" -gt 40 ] || [ "${trm_maxwait}" -ge "${trm_timeout}" ]
- then
- trm_maxwait=30
- fi
- if [ "${trm_timeout}" -lt 30 ] || [ "${trm_timeout}" -gt 300 ] || [ "${trm_timeout}" -le "${trm_maxwait}" ]
- then
- trm_timeout=60
- fi
-
- # load json runtime file
- #
- json_load_file "${trm_rtfile}" >/dev/null 2>&1
- json_select data >/dev/null 2>&1
- if [ "${?}" -ne 0 ]
- then
- > "${trm_rtfile}"
- json_init
- json_add_object "data"
- fi
- }
-
- # gather radio information & bring down all STA interfaces
- #
- f_prep()
- {
- local IFS mode network radio encryption eaptype disabled config="${1}" proactive="${2}"
-
- mode="$(uci_get "wireless" "${config}" "mode")"
- network="$(uci_get "wireless" "${config}" "network")"
- radio="$(uci_get "wireless" "${config}" "device")"
- encryption="$(uci_get "wireless" "${config}" "encryption")"
- eaptype="$(uci_get "wireless" "${config}" "eap_type")"
- disabled="$(uci_get "wireless" "${config}" "disabled")"
-
- if [ -n "${config}" ] && [ -n "${radio}" ] && [ -n "${mode}" ] && [ -n "${network}" ]
- then
- if [ -z "${trm_radio}" ] && [ -z "$(printf "%s" "${trm_radiolist}" | grep -Fo "${radio}")" ]
- then
- trm_radiolist="$(f_trim "${trm_radiolist} ${radio}")"
- elif [ -n "${trm_radio}" ] && [ -z "${trm_radiolist}" ]
- then
- trm_radiolist="$(f_trim "$(printf "%s" "${trm_radio}" | \
- awk '{while(match(tolower($0),/radio[0-9]/)){ORS=" ";print substr(tolower($0),RSTART,RLENGTH);$0=substr($0,RSTART+RLENGTH)}}')")"
- fi
- if [ "${mode}" = "sta" ] && [ "${network}" = "${trm_iface}" ]
- then
- if { [ -z "${disabled}" ] || [ "${disabled}" = "0" ]; } && { [ "${proactive}" -eq 0 ] || [ "${trm_ifstatus}" != "true" ]; }
- then
- uci_set wireless "${config}" disabled 1
- elif [ "${disabled}" = "0" ] && [ "${trm_ifstatus}" = "true" ] && [ -z "${trm_active_sta}" ] && [ "${proactive}" -eq 1 ]
- then
- trm_active_sta="${config}"
- fi
- if [ -z "${eaptype}" ] || { [ -n "${eaptype}" ] && [ "${trm_eapcheck}" -eq 0 ]; }
- then
- if { [ "${encryption%-*}" != "sae" ] && [ "${encryption%-*}" != "wpa3" ] && [ "${encryption}" != "owe" ]; } || \
- { { [ "${encryption%-*}" = "sae" ] || [ "${encryption%-*}" = "wpa3" ]; } && [ "${trm_saecheck}" -eq 0 ]; } || \
- { [ "${encryption}" = "owe" ] && [ "${trm_owecheck}" -eq 0 ]; }
- then
- trm_stalist="$(f_trim "${trm_stalist} ${config}-${radio}")"
- fi
- fi
- fi
- fi
- f_log "debug" "f_prep ::: config: ${config}, mode: ${mode}, network: ${network}, radio: ${radio}, trm_radio: ${trm_radio:-"-"}, trm_active_sta: ${trm_active_sta:-"-"}, proactive: ${proactive}, trm_eapcheck: ${trm_eapcheck:-"-"}, trm_saecheck: ${trm_saecheck:-"-"}, trm_owecheck: ${trm_owecheck:-"-"}, disabled: ${disabled}"
- }
-
- # check net status
- #
- f_net()
- {
- local IFS result
-
- result="$(${trm_fetch} --timeout=$((trm_maxwait/6)) "${trm_captiveurl}" -O /dev/null 2>&1 | \
- awk '/^Failed to redirect|^Redirected/{printf "%s" "net cp \047"$NF"\047";exit}/^Download completed/{printf "%s" "net ok";exit}/^Failed|Connection error/{printf "%s" "net nok";exit}')"
- printf "%s" "${result}"
- f_log "debug" "f_net ::: fetch: ${trm_fetch}, timeout: $((trm_maxwait/6)), url: ${trm_captiveurl}, result: ${result}"
- }
-
- # check interface status
- #
- f_check()
- {
- local IFS ifname radio dev_status config sta_essid sta_bssid result uci_essid uci_bssid login_command login_command_args wait_time mode="${1}" status="${2:-"false"}" cp_domain="${3:-"false"}"
-
- if [ "${mode}" != "initial" ] && [ "${status}" = "false" ]
- then
- ubus call network reload
- wait_time=$((trm_maxwait/6))
- sleep "${wait_time}"
- fi
-
- wait_time=1
- while [ "${wait_time}" -le "${trm_maxwait}" ]
- do
- dev_status="$(ubus -S call network.wireless status 2>/dev/null)"
- if [ -n "${dev_status}" ]
- then
- if [ "${mode}" = "dev" ]
- then
- if [ "${trm_ifstatus}" != "${status}" ]
- then
- trm_ifstatus="${status}"
- f_jsnup
- fi
- for radio in ${trm_radiolist}
- do
- result="$(printf "%s" "${dev_status}" | jsonfilter -l1 -e "@.${radio}.up")"
- if [ "${result}" = "true" ] && [ -z "$(printf "%s" "${trm_devlist}" | grep -Fo "${radio}")" ]
- then
- trm_devlist="$(f_trim "${trm_devlist} ${radio}")"
- fi
- done
- if [ "${trm_devlist}" = "${trm_radiolist}" ] || [ "${wait_time}" -eq "${trm_maxwait}" ]
- then
- ifname="${trm_devlist}"
- break
- else
- unset trm_devlist
- fi
- elif [ "${mode}" = "rev" ]
- then
- break
- else
- ifname="$(printf "%s" "${dev_status}" | jsonfilter -l1 -e '@.*.interfaces[@.config.mode="sta"].ifname')"
- if [ -n "${ifname}" ]
- then
- trm_ifquality="$(${trm_iwinfo} "${ifname}" info 2>/dev/null | awk -F "[ ]" '/Link Quality:/{split($NF,var0,"/");printf "%i\n",(var0[1]*100/var0[2])}')"
- if [ "${mode}" = "initial" ] && [ "${trm_captive}" -eq 1 ]
- then
- result="$(f_net)"
- if [ "${cp_domain}" = "true" ]
- then
- cp_domain="$(printf "%s" "${result}" | awk -F "[\\'| ]" '/^net cp/{printf "%s" $4}')"
- uci_essid="$(printf "%s" "${dev_status}" | jsonfilter -l1 -e '@.*.interfaces[@.config.mode="sta"].config.ssid')"
- uci_essid="${uci_essid//[^[:alnum:]_]/_}"
- uci_bssid="$(printf "%s" "${dev_status}" | jsonfilter -l1 -e '@.*.interfaces[@.config.mode="sta"].config.bssid')"
- uci_bssid="${uci_bssid//[^[:alnum:]_]/_}"
- fi
- fi
- if [ "${trm_ifquality}" -ge "${trm_minquality}" ] && [ "${result}" != "net nok" ]
- then
- trm_ifstatus="$(ubus -S call network.interface dump 2>/dev/null | jsonfilter -l1 -e "@.interface[@.device=\"${ifname}\"].up")"
- if [ "${trm_ifstatus}" = "true" ]
- then
- if [ "${mode}" = "sta" ] && [ "${trm_captive}" -eq 1 ]
- then
- while true
- do
- result="$(f_net)"
- cp_domain="$(printf "%s" "${result}" | awk -F "[\\'| ]" '/^net cp/{printf "%s" $4}')"
- uci_essid="$(printf "%s" "${dev_status}" | jsonfilter -l1 -e '@.*.interfaces[@.config.mode="sta"].config.ssid')"
- uci_essid="${uci_essid//[^[:alnum:]_]/_}"
- uci_bssid="$(printf "%s" "${dev_status}" | jsonfilter -l1 -e '@.*.interfaces[@.config.mode="sta"].config.bssid')"
- uci_bssid="${uci_bssid//[^[:alnum:]_]/_}"
- if [ "${trm_netcheck}" -eq 1 ] && [ "${result}" = "net nok" ]
- then
- trm_ifstatus="${status}"
- f_jsnup
- break 2
- fi
- if [ -z "${cp_domain}" ] || [ -n "$(uci_get "dhcp" "@dnsmasq[0]" "rebind_domain" | grep -Fo "${cp_domain}")" ]
- then
- break
- fi
- uci -q add_list dhcp.@dnsmasq[0].rebind_domain="${cp_domain}"
- f_log "info" "captive portal domain '${cp_domain}' added to to dhcp rebind whitelist"
- if [ -z "$(uci_get "travelmate" "${uci_essid}${uci_bssid}")" ]
- then
- uci_add travelmate "login" "${uci_essid}${uci_bssid}"
- uci_set travelmate "${uci_essid}${uci_bssid}" "command" "none"
- f_log "info" "captive portal login section '${uci_essid}${uci_bssid}' added to travelmate config section"
- fi
- done
- if [ -n "$(uci -q changes "dhcp")" ]
- then
- uci_commit "dhcp"
- /etc/init.d/dnsmasq reload
- fi
- if [ -n "$(uci -q changes "travelmate")" ]
- then
- uci_commit "travelmate"
- fi
- fi
- if [ -n "${cp_domain}" ] && [ "${cp_domain}" != "false" ] && [ -n "${uci_essid}" ] && [ "${trm_captive}" -eq 1 ]
- then
- trm_connection="${result:-"-"}/${trm_ifquality}"
- f_jsnup
- login_command="$(uci_get "travelmate" "${uci_essid}${uci_bssid}" "command")"
- if [ -x "${login_command}" ]
- then
- login_command_args="$(uci_get "travelmate" "${uci_essid}${uci_bssid}" "command_args")"
- "${login_command}" ${login_command_args} >/dev/null 2>&1
- rc=${?}
- f_log "info" "captive portal login '${login_command:0:40} ${login_command_args:0:20}' for '${cp_domain}' has been executed with rc '${rc}'"
- if [ "${rc}" -eq 0 ]
- then
- result="$(f_net)"
- fi
- fi
- fi
- trm_connection="${result:-"-"}/${trm_ifquality}"
- f_jsnup
- break
- fi
- elif [ -n "${trm_connection}" ]
- then
- sta_essid="$(printf "%s" "${dev_status}" | jsonfilter -l1 -e '@.*.interfaces[@.config.mode="sta"].*.ssid')"
- sta_bssid="$(printf "%s" "${dev_status}" | jsonfilter -l1 -e '@.*.interfaces[@.config.mode="sta"].*.bssid')"
- if [ "${trm_ifquality}" -lt "${trm_minquality}" ]
- then
- unset trm_connection
- trm_ifstatus="${status}"
- f_log "info" "uplink '${sta_essid:-"-"}/${sta_bssid:-"-"}' is out of range (${trm_ifquality}/${trm_minquality})"
- elif [ "${trm_netcheck}" -eq 1 ] && [ "${result}" = "net nok" ]
- then
- unset trm_connection
- trm_ifstatus="${status}"
- f_log "info" "uplink '${sta_essid:-"-"}/${sta_bssid:-"-"}' has no internet (${result})"
- fi
- f_jsnup
- break
- elif [ "${mode}" = "initial" ]
- then
- f_jsnup
- break
- fi
- elif [ -n "${trm_connection}" ]
- then
- unset trm_connection
- trm_ifstatus="${status}"
- f_jsnup
- break
- elif [ "${mode}" = "initial" ]
- then
- f_jsnup
- break
- fi
- fi
- fi
- wait_time=$((wait_time+1))
- sleep 1
- done
- f_log "debug" "f_check::: mode: ${mode}, name: ${ifname:-"-"}, status: ${trm_ifstatus}, connection: ${trm_connection:-"-"}, wait: ${wait_time}, max_wait: ${trm_maxwait}, min_quality: ${trm_minquality}, captive: ${trm_captive}, netcheck: ${trm_netcheck}"
- }
-
- # update runtime information
- #
- f_jsnup()
- {
- local IFS config d1 d2 d3 last_date last_station sta_iface sta_radio sta_essid sta_bssid last_status dev_status wpa_status status="${trm_ifstatus}" faulty_list faulty_station="${1}"
-
- dev_status="$(ubus -S call network.wireless status 2>/dev/null)"
- if [ -n "${dev_status}" ]
- then
- config="$(printf "%s" "${dev_status}" | jsonfilter -l1 -e '@.*.interfaces[@.config.mode="sta"].section')"
- if [ -n "${config}" ]
- then
- sta_iface="$(uci_get "wireless" "${config}" "network")"
- sta_radio="$(uci_get "wireless" "${config}" "device")"
- sta_essid="$(uci_get "wireless" "${config}" "ssid")"
- sta_bssid="$(uci_get "wireless" "${config}" "bssid")"
- fi
- fi
-
- json_get_var last_date "last_rundate"
- json_get_var last_station "station_id"
- if [ "${status}" = "true" ]
- then
- status="connected (${trm_connection:-"-"})"
- json_get_var last_status "travelmate_status"
- if [ "${last_status}" = "running / not connected" ] || [ "${last_station}" != "${sta_radio:-"-"}/${sta_essid:-"-"}/${sta_bssid:-"-"}" ]
- then
- last_date="$(date "+%Y.%m.%d-%H:%M:%S")"
- fi
- elif [ "${status}" = "error" ]
- then
- unset trm_connection
- status="program error"
- else
- unset trm_connection
- status="running / not connected"
- fi
- if [ -z "${last_date}" ]
- then
- last_date="$(date "+%Y.%m.%d-%H:%M:%S")"
- fi
-
- json_get_var faulty_list "faulty_stations"
- if [ -n "${faulty_list}" ] && [ "${trm_listexpiry}" -gt 0 ]
- then
- d1="$(date -d "${last_date}" "+%s")"
- d2="$(date "+%s")"
- d3=$(((d2 - d1)/60))
- if [ "${d3}" -ge "${trm_listexpiry}" ]
- then
- faulty_list=""
- fi
- fi
-
- if [ -n "${faulty_station}" ]
- then
- if [ -z "$(printf "%s" "${faulty_list}" | grep -Fo "${faulty_station}")" ]
- then
- faulty_list="$(f_trim "${faulty_list} ${faulty_station}")"
- last_date="$(date "+%Y.%m.%d-%H:%M:%S")"
- fi
- fi
-
- if [ "${trm_eapcheck}" -eq 0 ]
- then
- wpa_status="EAP"
- else
- wpa_status="-"
- fi
- if [ "${trm_saecheck}" -eq 0 ]
- then
- wpa_status="${wpa_status}/SAE"
- else
- wpa_status="${wpa_status}/-"
- fi
- if [ "${trm_owecheck}" -eq 0 ]
- then
- wpa_status="${wpa_status}/OWE"
- else
- wpa_status="${wpa_status}/-"
- fi
- json_add_string "travelmate_status" "${status}"
- json_add_string "travelmate_version" "${trm_ver}"
- json_add_string "station_id" "${sta_radio:-"-"}/${sta_essid:-"-"}/${sta_bssid:-"-"}"
- json_add_string "station_interface" "${sta_iface:-"-"}"
- json_add_string "faulty_stations" "${faulty_list}"
- json_add_string "wpa_capabilities" "${wpa_status:-"-"}"
- json_add_string "last_rundate" "${last_date}"
- json_add_string "system" "${trm_sysver}"
- json_dump > "${trm_rtfile}"
- f_log "debug" "f_jsnup::: config: ${config:-"-"}, status: ${status:-"-"}, sta_iface: ${sta_iface:-"-"}, sta_radio: ${sta_radio:-"-"}, sta_essid: ${sta_essid:-"-"}, sta_bssid: ${sta_bssid:-"-"}, faulty_list: ${faulty_list:-"-"}, list_expiry: ${trm_listexpiry}"
- }
-
- # write to syslog
- #
- f_log()
- {
- local IFS class="${1}" log_msg="${2}"
-
- if [ -n "${log_msg}" ] && { [ "${class}" != "debug" ] || [ "${trm_debug}" -eq 1 ]; }
- then
- logger -p "${class}" -t "travelmate-${trm_ver}[${$}]" "${log_msg}"
- if [ "${class}" = "err" ]
- then
- trm_ifstatus="error"
- f_jsnup
- logger -p "${class}" -t "travelmate-${trm_ver}[${$}]" "Please check 'https://github.com/openwrt/packages/blob/master/net/travelmate/files/README.md' (${trm_sysver})"
- exit 1
- fi
- fi
- }
-
- # main function for connection handling
- #
- f_main()
- {
- local IFS cnt dev config spec scan_list scan_essid scan_bssid scan_open scan_quality uci_essid cfg_essid faulty_list
- local station_id sta sta_essid sta_bssid sta_radio sta_iface active_essid active_bssid active_radio
-
- f_check "initial" "false" "true"
- f_log "debug" "f_main ::: status: ${trm_ifstatus}, proactive: ${trm_proactive}"
- if [ "${trm_ifstatus}" != "true" ] || [ "${trm_proactive}" -eq 1 ]
- then
- config_load wireless
- config_foreach f_prep wifi-iface ${trm_proactive}
- if [ "${trm_ifstatus}" = "true" ] && [ -n "${trm_active_sta}" ] && [ "${trm_proactive}" -eq 1 ]
- then
- json_get_var station_id "station_id"
- active_radio="${station_id%%/*}"
- active_essid="${station_id%/*}"
- active_essid="${active_essid#*/}"
- active_bssid="${station_id##*/}"
- f_check "dev" "true"
- f_log "debug" "f_main ::: active_radio: ${active_radio}, active_essid: \"${active_essid}\", active_bssid: ${active_bssid:-"-"}"
- else
- uci_commit "wireless"
- f_check "dev"
- fi
- json_get_var faulty_list "faulty_stations"
- f_log "debug" "f_main ::: iwinfo: ${trm_iwinfo:-"-"}, dev_list: ${trm_devlist:-"-"}, sta_list: ${trm_stalist:0:${trm_scanbuffer}}, faulty_list: ${faulty_list:-"-"}"
- # radio loop
- #
- for dev in ${trm_devlist}
- do
- if [ -z "$(printf "%s" "${trm_stalist}" | grep -o "\\-${dev}")" ]
- then
- f_log "debug" "f_main ::: no station on '${dev}' - continue"
- continue
- fi
- # station loop
- #
- for sta in ${trm_stalist}
- do
- config="${sta%%-*}"
- sta_radio="${sta##*-}"
- sta_essid="$(uci_get "wireless" "${config}" "ssid")"
- sta_bssid="$(uci_get "wireless" "${config}" "bssid")"
- sta_iface="$(uci_get "wireless" "${config}" "network")"
- json_get_var faulty_list "faulty_stations"
- if [ -n "$(printf "%s" "${faulty_list}" | grep -Fo "${sta_radio}/${sta_essid}/${sta_bssid}")" ]
- then
- f_log "debug" "f_main ::: faulty station '${sta_radio}/${sta_essid}/${sta_bssid:-"-"}' - continue"
- continue
- fi
- if [ "${dev}" = "${active_radio}" ] && [ "${sta_essid}" = "${active_essid}" ] && [ "${sta_bssid:-"-"}" = "${active_bssid}" ]
- then
- f_log "debug" "f_main ::: active station prioritized '${active_radio}/${active_essid}/${active_bssid:-"-"}' - break"
- break 2
- fi
- f_log "debug" "f_main ::: sta_radio: ${sta_radio}, sta_essid: \"${sta_essid}\", sta_bssid: ${sta_bssid:-"-"}"
- if [ -z "${scan_list}" ]
- then
- scan_list="$("${trm_iwinfo}" "${dev}" scan 2>/dev/null | \
- awk 'BEGIN{FS="[[:space:]]"}/Address:/{var1=$NF}/ESSID:/{var2="";for(i=12;i<=NF;i++)if(var2==""){var2=$i}else{var2=var2" "$i};
- gsub(/,/,".",var2)}/Quality:/{split($NF,var0,"/")}/Encryption:/{if($NF=="none"){var3="+"}else{var3="-"};printf "%i,%s,%s,%s\n",(var0[1]*100/var0[2]),var1,var2,var3}' | \
- sort -rn | awk -v buf="${trm_scanbuffer}" 'BEGIN{ORS=","}{print substr($0,1,buf)}')"
- f_log "debug" "f_main ::: scan_buffer: ${trm_scanbuffer}, scan_list: ${scan_list}"
- if [ -z "${scan_list}" ]
- then
- f_log "debug" "f_main ::: no scan results on '${dev}' - continue"
- continue 2
- fi
- fi
- # scan loop
- #
- IFS=","
- for spec in ${scan_list}
- do
- if [ -z "${scan_quality}" ]
- then
- scan_quality="${spec}"
- elif [ -z "${scan_bssid}" ]
- then
- scan_bssid="${spec}"
- elif [ -z "${scan_essid}" ]
- then
- scan_essid="${spec}"
- elif [ -z "${scan_open}" ]
- then
- scan_open="${spec}"
- fi
- if [ -n "${scan_quality}" ] && [ -n "${scan_bssid}" ] && [ -n "${scan_essid}" ] && [ -n "${scan_open}" ]
- then
- if [ "${scan_quality}" -ge "${trm_minquality}" ]
- then
- if { { [ "${scan_essid}" = "\"${sta_essid//,/.}\"" ] && { [ -z "${sta_bssid}" ] || [ "${scan_bssid}" = "${sta_bssid}" ]; } } || \
- { [ "${scan_bssid}" = "${sta_bssid}" ] && [ "${scan_essid}" = "unknown" ]; } } && [ "${dev}" = "${sta_radio}" ]
- then
- f_log "debug" "f_main ::: scan_quality: ${scan_quality}, scan_essid: ${scan_essid}, scan_bssid: ${scan_bssid:-"-"}, scan_open: ${scan_open}"
- if [ "${dev}" = "${active_radio}" ]
- then
- uci_set "wireless" "${trm_active_sta}" "disabled" "1"
- uci_commit "wireless"
- f_log "debug" "f_main ::: active uplink connection '${active_radio}/${active_essid}/${active_bssid:-"-"}' terminated"
- unset trm_connection active_radio active_essid active_bssid
- fi
- # retry loop
- #
- cnt=1
- while [ "${cnt}" -le "${trm_maxretry}" ]
- do
- uci_set "wireless" "${config}" "disabled" "0"
- f_check "sta"
- if [ "${trm_ifstatus}" = "true" ]
- then
- unset IFS scan_list
- uci_commit "wireless"
- f_log "info" "connected to uplink '${sta_radio}/${sta_essid}/${sta_bssid:-"-"}' (${cnt}/${trm_maxretry}, ${trm_sysver})"
- return 0
- else
- uci -q revert "wireless"
- f_check "rev"
- if [ "${cnt}" -eq "${trm_maxretry}" ]
- then
- faulty_station="${sta_radio}/${sta_essid}/${sta_bssid:-"-"}"
- f_jsnup "${faulty_station}"
- f_log "info" "uplink disabled '${sta_radio}/${sta_essid}/${sta_bssid:-"-"}' (${cnt}/${trm_maxretry}, ${trm_sysver})"
- break 2
- else
- f_jsnup
- f_log "info" "can't connect to uplink '${sta_radio}/${sta_essid}/${sta_bssid:-"-"}' (${cnt}/${trm_maxretry}, ${trm_sysver})"
- fi
- fi
- cnt=$((cnt+1))
- sleep $((trm_maxwait/6))
- done
- elif [ "${trm_autoadd}" -eq 1 ] && [ "${scan_open}" = "+" ] && [ "${scan_essid}" != "unknown" ]
- then
- cfg_essid="${scan_essid#*\"}"
- cfg_essid="${cfg_essid%\"*}"
- uci_essid="${cfg_essid//[^[:alnum:]_]/_}"
- if [ -z "$(uci_get "wireless" "trm_${uci_essid}")" ]
- then
- uci_add "wireless" "wifi-iface" "trm_${uci_essid}"
- uci_set "wireless" "trm_${uci_essid}" "mode" "sta"
- uci_set "wireless" "trm_${uci_essid}" "network" "${trm_iface}"
- uci_set "wireless" "trm_${uci_essid}" "device" "${sta_radio}"
- uci_set "wireless" "trm_${uci_essid}" "ssid" "${cfg_essid}"
- uci_set "wireless" "trm_${uci_essid}" "encryption" "none"
- uci_set "wireless" "trm_${uci_essid}" "disabled" "1"
- uci_commit "wireless"
- f_log "info" "open uplink '${sta_radio}/${cfg_essid}' added to wireless config"
- fi
- fi
- unset scan_quality scan_bssid scan_essid scan_open
- continue
- else
- unset scan_quality scan_bssid scan_essid scan_open
- continue
- fi
- fi
- done
- unset IFS scan_quality scan_bssid scan_essid scan_open
- done
- unset scan_list
- done
- fi
- }
-
- # source required system libraries
- #
- if [ -r "/lib/functions.sh" ] && [ -r "/usr/share/libubox/jshn.sh" ]
- then
- . "/lib/functions.sh"
- . "/usr/share/libubox/jshn.sh"
- else
- f_log "err" "system libraries not found"
- fi
-
- # control travelmate actions
- #
- f_envload
- while true
- do
- if [ -z "${trm_action}" ]
- then
- rc=0
- while true
- do
- if [ "${rc}" -eq 0 ]
- then
- f_check "initial"
- fi
- sleep ${trm_timeout} 0
- rc=${?}
- if [ "${rc}" -ne 0 ]
- then
- f_check "initial"
- fi
- if [ "${rc}" -eq 0 ] || { [ "${rc}" -ne 0 ] && [ "${trm_ifstatus}" = "false" ]; }
- then
- break
- fi
- done
- elif [ "${trm_action}" = "stop" ]
- then
- > "${trm_rtfile}"
- f_log "info" "travelmate instance stopped ::: action: ${trm_action}, pid: $(cat ${trm_pidfile} 2>/dev/null)"
- exit 0
- else
- f_log "info" "travelmate instance started ::: action: ${trm_action}, pid: ${$}"
- unset trm_action
- fi
- json_cleanup
- f_envload
- f_main
- done
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