firmware/general/package/quirc-openipc/files/qrparse

114 lines
3.8 KiB
Bash
Executable File

#!/bin/sh
################################################################################
#
# THIS SCRIPT WILL PARSE AN ZXING FORMAT QR CODE PAYLOAD FOR WIFI CREDENTIALS
#
# INPUT MUST BE PASSED IN SINGLE QUOTES
#
# BARCODE CONTENTS CAN BE FOUND HERE
# https://github.com/zxing/zxing/wiki/Barcode-Contents#wi-fi-network-config-android-ios-11
#
# THIS SCRIPT USES SIMILAR LOGIC TO:
# https://github.com/zxing/zxing/blob/master/core/src/main/java/com/google/zxing/client/result/WifiResultParser.java
#
# @author jayfan0
#
# OPENIPC USAGE: qrparse $(qrscan -p /mnt/mmcblk0p1/qrcode2.jpg | head -n 1)
# OPENIPC FULL USAGE: curl -s -o /tmp/img.jpg http://127.0.0.1/image.jpg ; qrparse $(qrscan -p /tmp/img.jpg | head -n 1)
################################################################################
if [ "$1" = "help" ]; then
echo -e "\n================= QRPARSER usage =================\n"
echo -e "Parse the QR code scanned by qrscan and extract wifi credentials\n"
echo -e "INPUT MUST BE PASSED IN SINGLE QUOTES\n"
echo -e "USAGE EXAMPLES:\n"
echo -e 'Standalone:\t\t qrparse $(qrscan -p /mnt/mmcblk0p1/qrcode2.jpg | head -n 1)\n'
echo -e 'With camera sensor:\t curl -s -o /tmp/img.jpg http://127.0.0.1/image.jpg ; qrparse $(qrscan -p /tmp/img.jpg | head -n 1)\n'
exit
fi
# scan='WIFI:S:thi$iSmdsywifi;H:false;T:WPA2;P:$e£cr3tt;PH2:MSCHAPv2;;'
scan=$1
if [[ ${scan:0:5} == "WIFI:" ]]; then
trunc=$(echo $scan | sed 's/WIFI://')
delims=${trunc//[^;]}
count=${#delims}
fields=$(( $count-1 ))
for i in $(seq 1 $fields);
do
line=$(echo $trunc | cut -d ';' -f $i)
for j in $(seq 1 2);
do
single=$(echo $line | cut -d ':' -f $j)
case $single in
S)
SSID=$(echo $line | cut -d ':' -f $(( j + 1 )))
[ -z $SSID ] && echo "SSID Empty. Aborting" && exit
echo "SSID = $SSID"
;;
P)
password=$(echo $line | cut -d ':' -f $(( j + 1 )))
echo "Password = $password"
;;
T)
auth=$(echo $line | cut -d ':' -f $(( j + 1 )))
[ -z $auth ] && auth = "nopass"
echo "Authentication type = $auth"
;;
H)
hidden=$(echo $line | cut -d ':' -f $(( j + 1 )))
# echo "Hidden SSID = $hidden"
;;
E)
eap=$(echo $line | cut -d ':' -f $(( j + 1 )))
echo "EAP method = $eap"
;;
A)
anon=$(echo $line | cut -d ':' -f $(( j + 1 )))
echo "Anonymous identity = $anon"
;;
I)
identity=$(echo $line | cut -d ':' -f $(( j + 1 )))
echo "Identity = $identity"
;;
PH2)
ph2=$(echo $line | cut -d ':' -f $(( j + 1 )))
echo "PH2 = $ph2"
;;
esac
done
done
# Unfortunately, in the past, H: was not just used for boolean 'hidden', but 'phase 2 method'.
# To try to retain backwards compatibility, we set one or the other based on whether the string
#is 'true' or 'false':
if [ ! -z $hidden ]; then
# If PH2 was specified separately, or if the value is clearly boolean, interpret it as 'hidden'
if [ ! -z "$ph2" ] || [[ $(echo "$hidden" | tr '[:upper:]' '[:lower:]') = $(echo "true") ]] || [[ $(echo "$hidden" | tr '[:upper:]' '[:lower:]') = $(echo "false") ]]; then
hidden=$hidden
echo "Hidden = $hidden"
else
ph2=$hidden
echo "PH2 = $ph2"
fi
fi
else
echo "Invalid QR Code"
fi