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#!/bin/bash |
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readonly SCAN_RESULT=/tmp/connman.scan |
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readonly STORAGE_PATH=/var/lib/connman |
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readonly VPN_STORAGE_PATH=/var/lib/connman-vpn |
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get_services() { |
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if [[ -f $SCAN_RESULT ]]; then |
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dmenu_notify 'another connman_dmenu is running' |
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exit 1 |
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fi |
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trap "rm -f $SCAN_RESULT" EXIT |
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connmanctl enable wifi &>/dev/null |
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connmanctl scan wifi &>/dev/null |
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connmanctl services | \ |
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awk -F ' +' '{ service_id=$NF; $NF=""; $1=""; name=substr($0, 2, length-2); gsub(/[^a-zA-Z0-9-]/, "_", name) } |
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name { print name, service_id }' > $SCAN_RESULT |
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} |
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# $1 = index |
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index_to_name() { |
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[[ -f $SCAN_RESULT ]] || exit 1 |
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awk -v line="$1" 'NR == line { print $1 }' $SCAN_RESULT |
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} |
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# $1 = index |
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index_to_service() { |
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[[ -f $SCAN_RESULT ]] || exit 1 |
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awk -v line="$1" 'NR == line { print $2 }' $SCAN_RESULT |
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} |
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# $1 = service id |
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get_service_security() { |
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cut -d _ -f 5 <<<"$1" |
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} |
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# $1 = service id |
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get_service_signal() { |
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connmanctl services "$1" | awk '$1 == "Strength" { print $3 }' |
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} |
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# $1 = service id |
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get_service_state() { |
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connmanctl services "$1" | awk '$1 == "State" { print $3 }' |
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} |
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create_dmenu() { |
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[[ -f $SCAN_RESULT ]] || exit 1 |
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echo 'setup vpn pptp' |
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local order=1 |
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local name |
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local service_id |
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local security |
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local signal |
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local disconnect |
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while read -r name service_id; do |
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security='' |
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signal='' |
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disconnect='' |
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[[ ! "$(get_service_state "$service_id")" =~ ^(idle|failure)$ ]] && disconnect='(disconnect)' |
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case "$service_id" in |
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wifi_*) |
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security="$(get_service_security "$service_id")" |
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signal="$(get_service_signal "$service_id")" |
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;; |
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vpn_*) |
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security=vpn |
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;; |
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esac |
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printf '%2s %-40s%9s %-3s %s\n' "$order" "$name" "$security" "$signal" "$disconnect" |
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(( order++ )) |
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done < $SCAN_RESULT |
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} |
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# $1 = msg |
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dmenu_notify() { |
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: | dmenu -p "$1 (press enter)" |
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} |
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# $1 = question |
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# $2 = var name |
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dmenu_ask() { |
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IFS= read -r "$2" < <(: | dmenu -p "$1") |
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if [[ ! "${!2}" ]]; then |
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dmenu_notify "invalid $2" |
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exit 1 |
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fi |
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} |
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get_services |
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index="$(create_dmenu | dmenu -l 10 -i -p 'select wifi service' | sed 's/^ *//g' | cut -d ' ' -f 1)" |
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if [[ "$index" == setup ]] ; then |
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# create vpn mode |
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dmenu_ask 'name this PPTP VPN' name |
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name="${name// /_}" |
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dmenu_ask 'please provide VPN domain' domain |
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dmenu_ask 'please provide identity' identity |
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dmenu_ask 'please provide password' password |
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cat > "$VPN_STORAGE_PATH/$name.config" <<-EOF |
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[provider_$name] |
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Type = PPTP |
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Name = $name |
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Host = $(dig +short A "$domain" | sort -n | head -n1) |
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Domain = $domain |
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PPTP.User = $identity |
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PPTP.Password = $password |
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EOF |
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dmenu_notify "VPN $name is created" |
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exit 0 |
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fi |
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service_id="$(index_to_service "$index")" |
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[[ "$service_id" ]] || exit 1 |
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name="$(index_to_name "$index")" |
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echo "$name { $service_id }" |
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if [[ ! "$(get_service_state "$service_id")" =~ ^(idle|failure)$ ]]; then |
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connmanctl disconnect "$service_id" |
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dmenu_notify "$name disconnected" |
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exit 0 |
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fi |
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security="$(get_service_security "$service_id")" |
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# create service file for encryption |
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if [[ "$security" =~ ^(ieee8021x|psk|wep)$ ]]; then |
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config_file="$STORAGE_PATH/$name-$security.config" |
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if [[ -f "$config_file" && no != "$(echo -e 'yes\nno' | dmenu -p 'use previous profile?')" ]]; then |
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echo "use old profile: $config_file" |
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else |
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dmenu_ask 'please provide password' password |
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case "$security" in |
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ieee8021x) |
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dmenu_ask 'please provide identity' identity |
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case "$(echo -e 'PEAP/MSCHAPV2\nTTLS/PAP' | dmenu -p 'please specify EAP type')" in |
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PEAP/MSCHAPV2) |
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eap=peap |
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phase2=MSCHAPV2 |
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;; |
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TTLS/PAP) |
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eap=ttls |
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phase2=PAP |
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;; |
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*) |
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dmenu_notify 'invalid EAP' |
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exit 1 |
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;; |
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esac |
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cat > "$config_file" <<-EOF |
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[service_$service_id] |
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Type = wifi |
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Name = $name |
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EAP = $eap |
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Phase2 = $phase2 |
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Identity = $identity |
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Passphrase = $password |
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EOF |
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;; |
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psk|wep) |
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cat > "$config_file" <<-EOF |
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[service_$service_id] |
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Type = wifi |
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Name = $name |
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Passphrase = $password |
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EOF |
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;; |
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esac |
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chmod 600 "$config_file" |
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fi |
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fi |
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connman_msg="$(timeout 10 connmanctl connect "$service_id" 2>&1 | head -n 1)" |
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if [[ "$connman_msg" == Connected* ]]; then |
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dmenu_notify "connected to $name" |
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else |
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error_msg='automatic timeout for connman_dmenu' |
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[[ "$connman_msg" ]] && error_msg="$(cut -d ' ' -f 3- <<<"$connman_msg")" |
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dmenu_notify "cannot connect to $name ($error_msg)" |
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fi |
