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# Copyright (C) 2016, 2017 Filippo Fil Bergamo
#
# This file is part of "RepWifi", a set of shell scripts to ease libre wifi connectivity.
#
# RepWifi is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# RepWifi is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# setup environment variables:
source "/data/misc/wifi/setup_variables.sh"
if [ $? -ne 0 ]; then
echo "Failed to setup variables"
exit 1
fi
bash "$scriptDiscon"
if [ $? -ne 0 ]; then
"Failed to kill wpa_supplicant"
exit 1
fi
sleep 1s
bash "$scriptStartWPA"
if [ $? -ne 0 ]; then
"Failed to start wpa_supplicant"
exit 1
fi
sleep 1s
wpa_comm="wpa_cli -p$socketfile -P$pidfile -i$ifacename"
# scan for networks
echo -n "Scanning for networks... "
$wpa_comm scan
if [ $? -ne 0 ]; then
exit 1
fi
sleep 2s
# store the scan results on file
if [ -e "$scanfile" ]; then
rm "$scanfile"
fi
#sleep 1s
echo "Retrieving network list... "
$wpa_comm scan_results > "$scanfile"
if [ $? -ne 0 ]; then
exit 1
fi
#sleep 1s
# read the results in a variable:
# modified Feb 1st 2017:
# seems like the previously used option --invert-match is not POSIX.
# the version of "grep" on Replicant 6.0 misses this option.
# the option -v is used instead
networks=$(grep -v '^bssid' $scanfile)
tmpNetsFile="$workdir""/""tmpnts"
if [ -e "$tmpNetsFile" ]; then
rm "$tmpNetsFile"
fi
echo "$tmpNetsFile"
echo "$networks" > "$tmpNetsFile"
# count the number of networks:
netnum=$(echo "$networks" | wc -l)
# check if there is at least one network in the list
if [ "$netnum" == "" ] || [ "$netnum" -lt 1 ]; then
echo "No networks found!"
exit 1
fi
echo ""
echo "Please input the number of the network you want to connect to:"
echo -e "\t # | SSID"
echo -e "\t---|------------------"
tmpLineFile="$workdir""/""tmpln"
idx=1
declare -a AR
while IFS= read -r line
do
# split the line into the different properties:
if [ -e "$tmpLineFile" ]; then
rm "$tmpLineFile"
fi
echo "$line" > "$tmpLineFile"
# Set IFS to tab only. Needed to correctly parse SSIDs containig spaces.
IFS=' '
read -r -a SUBAR < "$tmpLineFile"
AR[$idx]="${SUBAR[4]}" #the SSID is the 4th field
echo -e "\t"$idx") | ""${SUBAR[4]}"
idx=$(($idx+1))
done < "$tmpNetsFile"
# reset default IFS
IFS=
# read user's choice
read selnet
if ! [[ "$selnet" =~ ^[0-9]+$ ]]; then
echo "Invalid input!"
exit
fi
if [ "$selnet" -le 0 ] || [ "$selnet" -gt "$netnum" ]; then
echo "Invalid number!"
exit
fi
selectedSSID="${AR[$selnet]}"
# check if the selected network is a known one:
knownnet=$(bash "$knets_get" "$selectedSSID")
if [ -z "$knownnet" ]; then
# network not found among the known ones
# ask for a password:
echo "Enter a password for "$selectedSSID
read password
else
# extract the password from the tuple:
tmpTupleFile="$workdir""/tmptpl"
if [ -e "$tmpTupleFile" ]; then
rm "$tmpTupleFile"
fi
echo "$knownnet" > "$tmpTupleFile"
IFS=$'\t'
read -r -a TUPLE < "$tmpTupleFile"
password="${TUPLE[1]}"
IFS=
fi
#sleep 1s
echo "Do you want to connect to ""$selectedSSID"" now? [y/n] "
read answer
if [ $answer = "y" ] || [ $answer = "Y" ]; then
bash "$scriptConnect" ""$selectedSSID"" ""$password""
if [ $? -eq 0 ]; then
# successfully connected
# save password for future connections
source "$knets_add" "$selectedSSID" "$password"
echo "CONNECTED"
else
echo "FAILED TO CONNECT"
fi
fi
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