Implement Client configuration

- add mobile date network devices and configuration
- add client configuration via udev
- add GUI under networking tab
- add scripts to handle mobile data devices

config/client_config/info_huawei_modem.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+# Information about HUAWEI modem - via AT commands
+# ------------------------------------------------
+# get info about the device and signal
+# parameter: $1 - see opts list below
+#            $2 - tty device name for the communicaton (optional)
+# returns the value of the parameter, or "none" if not found or empty
+#
+# requires: socat
+#
+# zbchristian 2020
+
+opts=("manufacturer" "device"     "imei"    "imsi"    "telnumber"            "mode"         "signal"         "operator")
+
+# at command to extract information
+atcmds=("AT+CGMI"    "AT+CGMM"    "AT+CGSN" "AT+CIMI" "AT+CNUM"              "AT+COPS?"     "AT+CSQ"         "AT+COPS?")
+# regexp pattern to extract wanted information from result string
+pats=(  " "          " "          " "       " "       ".*\,\"([0-9\+]*)\".*" '.*\,([0-9])$' ".*: ([0-9]*).*" '.*\,\"([^ ]*)\".*$')
+
+# tty device for communication - usually 3 tty devices are created and the 3rd ttyUSB2 is available, even, when the device is connected
+dev="/dev/ttyUSB2"
+
+atsilent="AT^CURC=0"
+
+if [ ! -z $2 ]; then dev=$2; fi
+
+idx=-1
+opt=${opts[0]}
+if [ ! -z $1 ]; then opt=$1; fi
+
+for i in "${!opts[@]}"; do
+  if [[ ${opts[$i]} == $opt ]]; then idx=$i; fi
+done
+if [[ $idx == -1 ]];then echo "none"; exit; fi 
+
+atcmd=${atcmds[$idx]}
+pat=${pats[$idx]}
+
+
+result=`(echo $atsilent; echo $atcmd) | sudo /usr/bin/socat - $dev`
+# escape the AT command to be used in the regexp
+atesc=${atcmd//[\+]/\\+}
+atesc=${atesc//[\?]/\\?}
+result=`echo $result | sed -rn 's/.*'"$atesc"'\s([^ ]+|[^ ]+ [^ ]+)\sOK.*$/\1/pg'`
+if [[ $pat != " " ]]; then
+  result=`echo $result | sed -rn 's/'"$pat"'/\1/pg'`
+fi
+
+if [ -z "$result" ]; then result="none"; fi
+
+echo $result
+