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path: root/usr/bin/autowifi
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#!/bin/sh
cd $(dirname $(readlink -f $0))


interface=${interface:-wlan0}
root=${root:-../../}
crackdir=$root/usr/lib/autowifi/plugins
wifi_keys=$root/etc/autowifi/wifi_keys
wifi_log=$root/var/log/autowifi.log

# exists() run_hooks()
. $root/usr/lib/autowifi/lib/core


. $root/usr/lib/autowifi/lib/network

# start_wpa_supplicant()
. $root/usr/lib/autowifi/lib/wpa_supplicant


connect(){
    #mac ssid encryption key

    run_hooks interface pre 
    run_hooks profile pre 

    connect_wifi "$@" 

    ip_start dhcp 

    if check_gateway && check_internet; then
        echo yay internet >&2

        run_hooks interface post
        run_hooks profile post

        write_profile "$@"
        return 0
    fi
    return 1
}
write_profile(){
    bandw=$(check_bandwidth)
    ( cat $wifi_keys | grep -v '^#' | grep -v "|$1|" ; echo "$2|$1|$bandw|$4" ) | ( echo "#SSID|MAC|BANDWIDTH|KEY";sort )| uniq > "${wifi_keys}2"
    mv "${wifi_keys}2" "$wifi_keys"
}


find_count_of_ssid(){
    c=0
    for i in `seq 1 $WIFI_COUNT`; do
        eval SSID=\${ESSID_${i}}
        if [ "$SSID" = "$1" ]; then
            c+=1
            echo "$i"
        fi
    done
    if [ $c -eq 0 ];then
        exit 1
    fi
    exit 0
}


connect_to_network_by_ssid(){
    wifi_init
    find_count_of_ssid "$1" | (while read i
    do
        loop_over_cracks "$i" && exit 0
    done;exit 1)
    if [ $? -eq 0 ]; then
        exit 0
    fi
    echo "no network found :("
    exit 1
}

connect_with_pw(){
    wifi_init
    find_count_of_ssid "$1" | (while read i
    do
        KEY="$2"
        eval connect \"\${MAC_${i}}\" \"\${ESSID_${i}}\" \${ENCRYPTION_${i}} \"\${KEY}\"
        if [ $? -eq 0 ]; then
            exit 0
        fi
    done;exit 1)
}
wifi_init(){
    wpa_supplicant_is_usable || start_wpa_supplicant /tmp/autowifi.wpa_supplicant
    wifi_scan > /tmp/${interface}.scan
    . /tmp/${interface}.scan
}
loop_over_networks(){
    wifi_init

    for i in `seq 1 $WIFI_COUNT`; do
        loop_over_cracks "$i"
        if [ $? -eq 0 ]; then
            return 0
        fi
    done
}

loop_over_cracks(){
    i=$1
    KEY=''
    for crack in $(find $crackdir -type f | sort -u); do
        KEY="$(eval root=$root \$crack \"\${ESSID_${i}}\" \"\${MAC_${i}}\" \${FREQ_${i}} \${ENCRYPTION_${i}})"
        if [ $? -eq 0 ]; then
            eval connect \"\${MAC_${i}}\" \"\${ESSID_${i}}\" \${ENCRYPTION_${i}} \"\${KEY}\"
            if [ $? -eq 0 ]; then
                return 0
            fi
        fi
    done
    return 1
}

#scan_all(){
#    for i in `seq 1 $WIFI_COUNT`; do
#        loop_over_cracks $i
#    done
#}
#
#scan_unscanned(){
#    find_unscanned_networks | (while read i
#    do
#        loop_over_cracks $i
#    done)
#}

#find_unscanned_networks(){
#    #TODO broken
#    for i in `seq 1 $WIFI_COUNT`; do
#        eval SSID=\${ESSID_${i}}
#        eval MAC=\${MAC_${i}}
#        cat $wifi_stats 2>/dev/null | (while IFS='|' read SSID MAC BANDW KEY; do
#            if [ "$1" = "$SSID" -a "$2" = "$MAC" ]; then
#                continue
#            fi
#        done; echo $i)
#    done
#    exit 0
#}




if [ -n "$2" ]; then
    echo connecting to $1 with pw $2
    connect_with_pw "$1" "$2"
elif [ -n "$1" ]; then
    echo connecting to $1
    connect_to_network_by_ssid "$1"
else
    echo looping network now 
    check_internet || loop_over_networks

    while sleep 60; do
        if ! check_internet; then
            loop_over_networks
        fi
    done
fi