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