* strong LuCI-Support with builtin interface wizard and a wireless station manager
* fast uplink connections
* support all kinds of uplinks, incl. hidden and enterprise uplinks
-* trigger- or automatic-mode support, the latter one is the default and checks the existing uplink connection regardless of ifdown event trigger actions every n seconds
-* checks continuously the signal quality for conditional uplink (dis-) connections
+* continuously checks the existing uplink connection (quality), e.g. for conditional uplink (dis-) connections
* captive portal detection with internet online check and a 'heartbeat' function to keep the uplink connection up & running
* support of devices with multiple radios
* procd init and hotplug support
* runtime information available via LuCI & via 'status' init command
* status & debug logging to syslog
+* optional: the LuCI frontend shows the WiFi QR codes from all configured Access Points. It allows you to connect your Android or iOS devices to your router’s WiFi using the QR code
## Prerequisites
* [OpenWrt](https://openwrt.org), tested with the stable release series (17.01.x) and with the latest OpenWrt snapshot
* iwinfo for wlan scanning, uclient-fetch for captive portal detection
+* optional: qrencode 4.x for QR code support
## Installation & Usage
* download the package [here](https://downloads.openwrt.org/snapshots/packages/x86_64/packages)
* install 'travelmate' (_opkg install travelmate_)
* configure your network:
* recommended: use the LuCI frontend with builtin interface wizard and a wireless station manager
- * manual: see detailed configure steps below
+ * manual: see detailed configuration steps below
* at least you need one configured AP and one STA interface
## LuCI travelmate companion package
* usually the pre-configured travelmate setup works quite well and no manual config overrides are needed, all listed options apply to the 'global' section:
* trm\_enabled => main switch to enable/disable the travelmate service (bool/default: '0', disabled)
* trm\_debug => enable/disable debug logging (bool/default: '0', disabled)
- * trm\_automatic => keep travelmate in an active state (bool/default: '1', enabled)
* trm\_captive => enable/disable the captive portal detection (bool/default: '1', enabled)
* trm\_minquality => minimum signal quality threshold as percent for conditional uplink (dis-) connections (int/default: '35', valid range: 20-80)
* trm\_maxwait => how long (in seconds) should travelmate wait for a successful wlan interface reload action (int/default: '30', valid range: 20-40)
* trm\_maxretry => how many times should travelmate try to connect to an uplink (int/default: '3', valid range: 1-10)
- * trm\_timeout => timeout in seconds for "automatic mode" (int/default: '60', valid range: 30-300)
+ * trm\_timeout => overall retry timeout in seconds (int/default: '60', valid range: 30-300)
* trm\_radio => limit travelmate to a dedicated radio, e.g. 'radio0' (default: not set, use all radios)
* trm\_iface => main uplink / procd trigger network interface (default: trm_wwan)
- * trm\_triggerdelay => additional trigger delay in seconds before travelmate processing starts (int/default: '2')
+ * trm\_triggerdelay => additional trigger delay in seconds before travelmate processing begins (int/default: '2')
## Runtime information
**receive travelmate runtime information:**
<pre><code>
+~# /etc/init.d/travelmate status
::: travelmate runtime information
- + travelmate_status : connected (net ok/55)
- + travelmate_version : 1.1.0
- + station_id : Turris/-
+ + travelmate_status : connected (net ok/37)
+ + travelmate_version : 1.2.0
+ + station_id : blackhole/01:02:03:04:05:06
+ station_interface : trm_wwan
- + station_radio : radio1
- + last_rundate : 19.02.2018 17:02:25
- + system : GL.iNet GL-AR750, OpenWrt SNAPSHOT r5988+25-60e07ffec5
+ + station_radio : radio0
+ + last_rundate : 04.04.2018 13:00:24
+ + system : GL.iNet GL-AR750, OpenWrt SNAPSHOT r6588-16efb0c1c6
</code></pre>
## Manual Setup
option device 'radio0'
option network 'trm_wwan'
option mode 'sta'
- option ssid 'example_01'
+ option ssid 'example_usual'
option encryption 'psk2+ccmp'
option key 'abc'
option disabled '1'
option device 'radio0'
option network 'trm_wwan'
option mode 'sta'
- option ssid 'example_02'
+ option ssid 'example_hidden'
+ option bssid '00:11:22:33:44:55'
option encryption 'psk2+ccmp'
option key 'xyz'
option disabled '1'
</code></pre>
## FAQ
-**Q:** What's about 'trigger' and 'automatic' mode?
-**A:** In "trigger" mode travelmate will be triggered solely by procd interface down events, whenever an uplink disappears travelmate tries n times (default 3) to find a new uplink or reconnect to the old one. The 'automatic' mode keeps travelmate in an active state and checks every n seconds the connection status / the uplink availability regardless of procd event trigger.
-
**Q:** What happen with misconfigured uplinks, e.g. due to outdated wlan passwords?
-**A:** Travelmate tries n times (default 3) to connect, then the respective uplink SSID will be marked / renamed to '_SSID_\_err'. In this case use the builtin wireless station manager to update your wireless credentials.
+**A:** Travelmate tries n times (default 3) to connect, then the respective uplink SSID will be marked / renamed to '_SSID_\_err' and travelmate no longer attends this uplink. In this case use the builtin wireless station manager to update your wireless credentials.
+**Q:** How to connect to hidden uplinks?
+**A:** See 'example\_hidden' STA configuration above, option 'SSID' and 'BSSID' must be specified for successful connections.
## Support
Please join the travelmate discussion in this [forum thread](https://forum.lede-project.org/t/travelmate-support-thread/5155) or contact me by [mail](mailto:dev@brenken.org)
#
LC_ALL=C
PATH="/usr/sbin:/usr/bin:/sbin:/bin"
-trm_ver="1.1.3"
+trm_ver="1.2.0"
trm_sysver="unknown"
trm_enabled=0
trm_debug=0
-trm_automatic=1
trm_captive=1
trm_captiveurl="http://captive.apple.com"
trm_minquality=35
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"
# load travelmate environment
#
if [ ${trm_enabled} -ne 1 ]
then
f_log "info" "travelmate is currently disabled, please set 'trm_enabled' to '1' to use this service"
+ config_load wireless
+ config_foreach f_prep wifi-iface
+ uci_commit wireless
+ ubus call network reload
exit 0
fi
fi
elif [ "${mode}" = "rev" ]
then
- wait=$((${trm_maxwait}/3))
+ wait=$(( ${trm_maxwait} / 3 ))
sleep ${wait}
break
else
fi
if [ "${mode}" = "initial" ] && [ "${trm_captive}" -eq 1 ] && [ "${trm_ifstatus}" = "true" ]
then
- result="$(${trm_fetch} --timeout=$((${trm_maxwait}/3)) --spider "${trm_captiveurl}" 2>&1 | awk '/^Redirected/{printf "%s" "net cp \047"$NF"\047";exit}/^Download completed/{printf "%s" "net ok";exit}/^Failed|^Connection error/{printf "%s" "net nok";exit}')"
+ result="$(${trm_fetch} --timeout=$(( ${trm_maxwait} / 3 )) --spider "${trm_captiveurl}" 2>&1 | awk '/^Redirected/{printf "%s" "net cp \047"$NF"\047";exit}/^Download completed/{printf "%s" "net ok";exit}/^Failed|^Connection error/{printf "%s" "net nok";exit}')"
if [ -n "${result}" ] && ([ -z "${trm_connection}" ] || [ "${result}" != "${trm_connection%/*}" ])
then
trm_connection="${result}/${trm_ifquality}"
break
fi
fi
- wait=$((wait+1))
+ wait=$(( wait + 1 ))
sleep 1
done
- f_log "debug" "f_check::: mode: ${mode}, name: ${ifname:-"-"}, status: ${trm_ifstatus}, quality: ${trm_ifquality}, connection: ${trm_connection:-"-"}, wait: ${wait}, max_wait: ${trm_maxwait}, min_quality: ${trm_minquality}, captive: ${trm_captive}, automatic: ${trm_automatic}"
+ f_log "debug" "f_check::: mode: ${mode}, name: ${ifname:-"-"}, status: ${trm_ifstatus}, quality: ${trm_ifquality}, connection: ${trm_connection:-"-"}, wait: ${wait}, max_wait: ${trm_maxwait}, min_quality: ${trm_minquality}, captive: ${trm_captive}"
}
# update runtime information
then
uci_commit wireless
f_log "info" "interface '${sta_iface}' on '${sta_radio}' connected to uplink '${sta_essid:-"-"}/${sta_bssid:-"-"}' (${trm_sysver})"
- f_check "initial"
return 0
elif [ ${cnt} -eq ${trm_maxretry} ]
then
IFS=" "
done
fi
- cnt=$((cnt+1))
- sleep $((${trm_maxwait}/6))
+ cnt=$(( cnt + 1 ))
+ sleep $(( ${trm_maxwait} / 6 ))
done
done
if [ ! -s "${trm_rtfile}" ]
# control travelmate actions
#
-f_envload
-f_main
-while [ ${trm_automatic} -eq 1 ]
+while true
do
- sleep ${trm_timeout}
+ if [ -z "${trm_action}" ]
+ then
+ > "${trm_pidfile}"
+ sleep ${trm_timeout}
+ else
+ printf '%s' "${$}" > "${trm_pidfile}"
+ trm_action=""
+ fi
f_envload
f_main
done
-exit 0
+
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