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protonvpn-cli.sh
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protonvpn-cli.sh
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#!/usr/bin/env bash
######################################################
# ProtonVPN CLI
# ProtonVPN Command-Line Tool
#
# Made with <3 for Linux + macOS.
###
#Author: Mazin Ahmed <Mazin AT ProtonMail DOT ch>
######################################################
version=1.1.2
if [[ ("$UID" != 0) && ("$1" != "ip") && ("$1" != "-ip") && \
("$1" != "--ip") && ! (-z "$1") && ("$1" != "-h") && \
("$1" != "--status") && ("$1" != "-status") && ("$1" != "status") && \
("$1" != "--help") && ("$1" != "--h") && ("$1" != "-help") && \
("$1" != "help") && ("$1" != "--version") && ("$1" != "-version") && \
("$1" != "-v") && ("$1" != "--v")]]; then
echo "[!] Error: The program requires root access."
exit 1
fi
function check_requirements() {
if [[ -z $(which openvpn) ]]; then
echo "[!] Error: openvpn is not installed. Install \`openvpn\` package to continue."
exit 1
fi
if [[ -n $(which python) ]]; then
python=$(which python)
elif [[ -n $(which python3) ]]; then
python=$(which python3)
elif [[ -n $(which python2) ]]; then
python=$(which python2)
fi
if [[ -z "$python" ]]; then
echo "[!] Error: python is not installed. Install \`python\` package to continue."
exit 1
fi
if [[ -z $(which dialog) ]]; then
echo "[!] Error: dialog is not installed. Install \`dialog\` package to continue."
exit 1
fi
if [[ -z $(which wget) ]]; then
echo "[!] Error: wget is not installed. Install \`wget\` package to continue."
exit 1
fi
if [[ -z $(which sysctl) && ( $(detect_platform_type) != "macos" ) ]]; then
echo "[!] Error: sysctl is not installed. Install \`sysctl\` package to continue."
exit 1
fi
if [[ $(detect_platform_type) != "macos" ]]; then
if [[ ( -z $(which iptables) ) || ( -z $(which iptables-save) ) || ( -z $(which iptables-restore) ) ]]; then
echo "[!] Error: iptables is not installed. Install \`iptables\` package to continue."
exit 1
fi
fi
sha512sum_func
if [[ -z "$sha512sum_tool" ]]; then
echo "[!] Error: sha512sum is not installed. Install \`sha512sum\` package to continue."
exit 1
fi
if [[ (! -x "/etc/openvpn/update-resolv-conf") && ( $(detect_platform_type) != "macos") ]]; then
echo "[!] Error: update-resolv-conf is not installed."
read -p "Would you like protonvpn-cli to install update-resolv-conf? (y/N): " "user_confirm"
if [[ "$user_confirm" == "y" || "$user_confirm" == "Y" ]]; then
install_update_resolv_conf
else
exit 1
fi
fi
}
function get_home() {
if [[ -z "$SUDO_USER" ]]; then
CURRENT_USER="$(whoami)"
else
CURRENT_USER="$SUDO_USER"
fi
USER_HOME=$(getent passwd "$CURRENT_USER" 2> /dev/null | cut -d: -f6)
if [[ -z "$USER_HOME" ]]; then
USER_HOME="$HOME"
fi
echo "$USER_HOME"
}
function sha512sum_func() {
if [[ -n $(which sha512sum) ]]; then
sha512sum_tool="$(which sha512sum)"
elif [[ -n $(which shasum) ]]; then
sha512sum_tool="$(which shasum) -a 512 "
fi
export sha512sum_tool
}
function get_protonvpn_cli_home() {
echo "$(get_home)/.protonvpn-cli"
}
function install_update_resolv_conf() {
if [[ ("$UID" != 0) ]]; then
echo "[!] Error: Installation requires root access."
exit 1
fi
echo "[*] Installing update-resolv-conf..."
mkdir -p "/etc/openvpn/"
file_sha512sum="81cf5ed20ec2a2f47f970bb0185fffb3e719181240f2ca3187dbee1f4d102ce63ab048ffee9daa6b68c96ac59d1d86ad4de2b1cfaf77f1b1f1918d143e96a588"
wget "https://raw.githubusercontent.com/ProtonVPN/scripts/master/update-resolv-conf.sh" -O "/etc/openvpn/update-resolv-conf"
if [[ ($? == 0) && ($($sha512sum_tool "/etc/openvpn/update-resolv-conf" | cut -d " " -f1) == "$file_sha512sum") ]]; then
chmod +x "/etc/openvpn/update-resolv-conf"
echo "[*] Done."
else
echo "[!] Error installing update-resolv-conf."
rm -f "/etc/openvpn/update-resolv-conf" 2> /dev/null
exit 1
fi
}
function check_ip() {
counter=0
ip=""
while [[ "$ip" == "" ]]; do
if [[ $counter -lt 3 ]]; then
ip=$(wget --header 'x-pm-appversion: Other' \
--header 'x-pm-apiversion: 3' \
--header 'Accept: application/vnd.protonmail.v1+json' \
-o /dev/null \
--timeout 6 --tries 1 -q -O - 'https://api.protonmail.ch/vpn/location' \
| $python -c 'import json; _ = open("/dev/stdin", "r").read(); print(json.loads(_)["IP"])' 2> /dev/null)
counter=$((counter+1))
else
ip="Error."
fi
if [[ -z "$ip" ]]; then
sleep 2 # Sleep for 2 seconds before retrying.
fi
done
echo "$ip"
}
function create_vi_bindings() {
echo -en "
bindkey menubox \\j ITEM_NEXT
bindkey menubox \\k ITEM_PREV
bindkey menubox \\q ESC
bindkey menubox \\g PAGE_FIRST
bindkey menubox \\G PAGE_LAST
bindkey menubox \\l FIELD_NEXT
bindkey menubox \\h FIELD_NEXT
" > "$(get_protonvpn_cli_home)/.dialogrc"
}
function init_cli() {
if [[ -f "$(get_protonvpn_cli_home)/protonvpn_openvpn_credentials" ]]; then
echo -n "[!] User profile for protonvpn-cli has already been initialized. Would you like to start over with a fresh configuration? [Y/n]: "
read "reset_profile"
fi
if [[ ("$reset_profile" == "n" || "$reset_profile" == "N") ]]; then
echo "[*] Profile initialization canceled."
exit 0
fi
rm -rf "$(get_protonvpn_cli_home)/" # Previous profile will be removed/overwritten, if any.
mkdir -p "$(get_protonvpn_cli_home)/"
create_vi_bindings
read -p "Enter OpenVPN username: " "openvpn_username"
read -s -p "Enter OpenVPN password: " "openvpn_password"
echo -e "$openvpn_username\n$openvpn_password" > "$(get_protonvpn_cli_home)/protonvpn_openvpn_credentials"
chown "$USER:$(id -gn $USER)" "$(get_protonvpn_cli_home)/protonvpn_openvpn_credentials"
chmod 0400 "$(get_protonvpn_cli_home)/protonvpn_openvpn_credentials"
echo -e "\n[.] ProtonVPN Plans:\n1) Free\n2) Basic\n3) Plus\n4) Visionary"
protonvpn_tier=""
available_plans=(1 2 3 4)
while [[ $protonvpn_tier == "" ]]; do
read -p "Enter Your ProtonVPN plan ID: " "protonvpn_plan"
case "${available_plans[@]}" in *"$protonvpn_plan"*)
protonvpn_tier=$((protonvpn_plan-1))
;;
4)
protonvpn_tier=$((protonvpn_tier-1)) # Visionary gives access to the same VPNs as Plus.
;;
*)
echo "Invalid input."
;; esac
done
echo -e "$protonvpn_tier" > "$(get_protonvpn_cli_home)/protonvpn_tier"
chown "$USER:$(id -gn $USER)" "$(get_protonvpn_cli_home)/protonvpn_tier"
chmod 0400 "$(get_protonvpn_cli_home)/protonvpn_tier"
read -p "[.] Would you like to use a custom DNS server? (Warning: This would make your VPN connection vulnerable to DNS leaks. Only use it when you know what you're doing) [y/N]: " "use_custom_dns"
if [[ ("$use_custom_dns" == "y" || "$use_custom_dns" == "Y") ]]; then
custom_dns=""
while [[ $custom_dns == "" ]]; do
read -p "Custom DNS Server: " "custom_dns"
done
echo -e "$custom_dns" > "$(get_protonvpn_cli_home)/.custom_dns"
chown "$USER:$(id -gn $USER)" "$(get_protonvpn_cli_home)/.custom_dns"
chmod 0400 "$(get_protonvpn_cli_home)/.custom_dns"
fi
read -p "[.] [Security] Decrease OpenVPN privileges? [Y/n]: " "decrease_openvpn_privileges"
if [[ "$decrease_openvpn_privileges" == "y" || "$decrease_openvpn_privileges" == "Y" || "$decrease_openvpn_privileges" == "" ]]; then
echo "$decrease_openvpn_privileges" > "$(get_protonvpn_cli_home)/.decrease_openvpn_privileges"
fi
# Disabling killswitch prompt
#read -p "[.] Enable Killswitch? [Y/n]: " "enable_killswitch"
#if [[ "$enable_killswitch" == "y" || "$enable_killswitch" == "Y" || "$enable_killswitch" == "" ]]; then
# echo > "$(get_protonvpn_cli_home)/.enable_killswitch"
#fi
config_cache_path="$(get_protonvpn_cli_home)/openvpn_cache/"
rm -rf "$config_cache_path"
mkdir -p "$config_cache_path" # Folder for openvpn config cache.
chown -R "$USER:$(id -gn $USER)" "$(get_protonvpn_cli_home)/"
chmod -R 0400 "$(get_protonvpn_cli_home)/"
echo "[*] Done."
}
function detect_platform_type() {
unameOut="$(uname -s)"
case "${unameOut}" in
Linux*) platform=linux;;
Darwin*) platform=macos;;
CYGWIN*) platform=linux;;
MINGW*) platform=linux;;
*) platform=linux
esac
echo "$platform"
}
function manage_ipv6() {
# ProtonVPN support for IPv6 coming soon.
errors_counter=0
if [[ ("$1" == "disable") && ( $(detect_platform_type) != "macos" ) ]]; then
if [ -n "$(ip -6 a 2> /dev/null)" ]; then
# Save linklocal address and disable IPv6.
ip -6 a | awk '/^[0-9]/ {DEV=$2}/inet6 fe80/ {print substr(DEV,1,length(DEV)-1) " " $2}' > "$(get_protonvpn_cli_home)/.ipv6_address"
if [[ $? != 0 ]]; then errors_counter=$((errors_counter+1)); fi
sysctl -w net.ipv6.conf.all.disable_ipv6=1 &> /dev/null
if [[ $? != 0 ]]; then errors_counter=$((errors_counter+1)); fi
sysctl -w net.ipv6.conf.default.disable_ipv6=1 &> /dev/null
if [[ $? != 0 ]]; then errors_counter=$((errors_counter+1)); fi
fi
fi
# Disable IPv6 in macOS.
if [[ ("$1" == "disable") && ( $(detect_platform_type) == "macos" ) ]]; then
# Get list of services and remove the first line which contains a heading.
ipv6_services="$( networksetup -listallnetworkservices | sed -e '1,1d')"
# Go through the list disabling IPv6 for enabled services, and outputting lines with the names of the services.
echo %s "$ipv6_services" | \
while read ipv6_service ; do
# If first character of a line is an asterisk, the service is disabled, so we skip it.
if [[ "${ipv6_service:0:1}" != "*" ]] ; then
ipv6_status="$( networksetup -getinfo "$ipv6_service" | grep 'IPv6: ' | sed -e 's/IPv6: //')"
if [[ "$ipv6_status" = "Automatic" ]] ; then
networksetup -setv6off "$ipv6_service"
echo "$ipv6_service" >> "$(get_protonvpn_cli_home)/.ipv6_services"
fi
fi
done
fi
if [[ ("$1" == "enable") && ( ! -f "$(get_protonvpn_cli_home)/.ipv6_address" ) && ( $(detect_platform_type) != "macos" ) ]]; then
echo "[!] This is an error in enabling IPv6 on the machine. Please enable it manually."
fi
if [[ ("$1" == "enable") && ( -f "$(get_protonvpn_cli_home)/.ipv6_address" ) && ( $(detect_platform_type) != "macos" ) ]]; then
sysctl -w net.ipv6.conf.all.disable_ipv6=0 &> /dev/null
if [[ $? != 0 ]]; then errors_counter=$((errors_counter+1)); fi
sysctl -w net.ipv6.conf.default.disable_ipv6=0 &> /dev/null
if [[ $? != 0 ]]; then errors_counter=$((errors_counter+1)); fi
# Restore linklocal on default interface.
while read -r DEV ADDR; do
ip addr add "$ADDR" dev "$DEV" &> /dev/null
if [[ ($? != 0) && ($? != 2) ]]; then errors_counter=$((errors_counter+1)) ; fi
done < "$(get_protonvpn_cli_home)/.ipv6_address"
rm -f "$(get_protonvpn_cli_home)/.ipv6_address"
fi
if [[ ("$1" == "enable") && ( ! -f "$(get_protonvpn_cli_home)/.ipv6_services" ) && ( $(detect_platform_type) == "macos" ) ]]; then
echo "[!] This is an error in enabling IPv6 on the machine. Please enable it manually."
fi
# Restore IPv6 in macOS.
if [[ ("$1" == "enable") && ( -f "$(get_protonvpn_cli_home)/.ipv6_services" ) && ( $(detect_platform_type) == "macos" ) ]]; then
if [[ $(< "$(get_protonvpn_cli_home)/.ipv6_services") == "" ]] ; then
return
fi
ipv6_service=$(< "$(get_protonvpn_cli_home)/.ipv6_services")
while read ipv6_service ; do
networksetup -setv6automatic "$ipv6_service"
done < "$(get_protonvpn_cli_home)/.ipv6_services"
rm -f "$(get_protonvpn_cli_home)/.ipv6_services"
fi
if [[ $errors_counter != 0 ]]; then
echo "[!] There are issues in managing IPv6 in the system. Please test the system for the root cause."
echo "Not being able to manage IPv6 by protonvpn-cli may leak the system's IPv6 address."
fi
}
function sanitize_interface_name() {
echo "$1" | sed 's/[^a-zA-Z0-9_-]/_/g'
}
function modify_dns() {
# Backup DNS entries.
if [[ ("$1" == "backup") ]]; then
if [[ ( $(detect_platform_type) == "macos" ) ]]; then
networksetup listallnetworkservices | tail +2 | while read interface; do
networksetup -getdnsservers "$interface" > "$(get_protonvpn_cli_home)/$(sanitize_interface_name "$interface").dns_backup"
done
else # non-Mac
cp "/etc/resolv.conf" "$(get_protonvpn_cli_home)/.resolv.conf.protonvpn_backup"
fi
fi
# Apply ProtonVPN DNS.
if [[ ("$1" == "to_protonvpn_dns") ]]; then
connection_logs="$(get_protonvpn_cli_home)/connection_logs"
dns_server=$(grep 'dhcp-option DNS' "$connection_logs" | head -n 1 | awk -F 'dhcp-option DNS ' '{print $2}' | cut -d ',' -f1) # ProtonVPN internal DNS.
if [[ ( $(detect_platform_type) == "macos" ) ]]; then
networksetup listallnetworkservices | tail +2 | while read interface; do
networksetup -setdnsservers "$interface" $dns_server
done
else # non-Mac
echo -e "# ProtonVPN DNS - protonvpn-cli\nnameserver $dns_server" > "/etc/resolv.conf"
fi
fi
# Apply Custom DNS.
if [[ ("$1" == "to_custom_dns") ]]; then
custom_dns="$(get_protonvpn_cli_home)/.custom_dns"
dns_server=$(< "$custom_dns")
if [[ ( $(detect_platform_type) == "macos" ) ]]; then
networksetup listallnetworkservices | tail +2 | while read interface; do
networksetup -setdnsservers "$interface" $dns_server
done
else # non-Mac
echo -e "# ProtonVPN DNS - Custom DNS\nnameserver $dns_server" > "/etc/resolv.conf"
fi
fi
# Restore backed-up DNS entries.
if [[ "$1" == "revert_to_backup" ]]; then
if [[ ( $(detect_platform_type) == "macos" ) ]]; then
networksetup listallnetworkservices | tail +2 | while read interface; do
file="$(get_protonvpn_cli_home)/$(sanitize_interface_name "$interface").dns_backup"
if [[ -f "$file" ]]; then
if grep -q "There aren't any DNS Servers set" "$file"; then
networksetup -setdnsservers "$interface" empty
else
networksetup -setdnsservers "$interface" "$(< "$file")"
fi
fi
done
else # non-Mac
cp "$(get_protonvpn_cli_home)/.resolv.conf.protonvpn_backup" "/etc/resolv.conf"
fi
fi
}
function is_internet_working_normally() {
if [[ "$(check_ip)" != "Error." ]]; then
echo true
else
echo false
fi
}
function check_if_internet_is_working_normally() {
if [[ "$(is_internet_working_normally)" == false ]]; then
echo "[!] Error: There is an internet connection issue."
exit 1
fi
}
function is_openvpn_currently_running() {
if [[ $(pgrep openvpn) == "" ]]; then
echo false
else
echo true
fi
}
function check_if_openvpn_is_currently_running() {
if [[ $(is_openvpn_currently_running) == true ]]; then
echo "[!] Error: OpenVPN is already running on this machine."
exit 1
fi
}
function check_if_profile_initialized() {
_=$(cat "$(get_protonvpn_cli_home)/protonvpn_openvpn_credentials" "$(get_protonvpn_cli_home)/protonvpn_tier" &> /dev/null)
if [[ $? != 0 ]]; then
echo "[!] Profile is not initialized."
echo -e "Initialize your profile using: \n $(basename $0) --init"
exit 1
fi
}
function openvpn_disconnect() {
max_checks=3
counter=0
disconnected=false
if [[ "$1" != "quiet" ]]; then
echo "Disconnecting..."
fi
if [[ $(is_openvpn_currently_running) == true ]]; then
manage_ipv6 enable # Enabling IPv6 on machine.
fi
while [[ $counter -lt $max_checks ]]; do
pkill -f openvpn
sleep 0.50
if [[ $(is_openvpn_currently_running) == false ]]; then
modify_dns revert_to_backup # Reverting to original DNS entries
disconnected=true
# killswitch disable # Disabling killswitch
cp "$(get_protonvpn_cli_home)/.connection_config_id" "$(get_protonvpn_cli_home)/.previous_connection_config_id" 2> /dev/null
cp "$(get_protonvpn_cli_home)/.connection_selected_protocol" "$(get_protonvpn_cli_home)/.previous_connection_selected_protocol" 2> /dev/null
rm -f "$(get_protonvpn_cli_home)/.connection_config_id" "$(get_protonvpn_cli_home)/.connection_selected_protocol" 2> /dev/null
if [[ "$1" != "quiet" ]]; then
echo "[#] Disconnected."
echo "[#] Current IP: $(check_ip)"
fi
if [[ "$2" != "dont_exit" ]]; then
exit 0
else
break
fi
fi
counter=$((counter+1))
done
if [[ "$disconnected" == false ]]; then
if [[ "$1" != "quiet" ]]; then
echo "[!] Error disconnecting OpenVPN."
if [[ "$2" != "dont_exit" ]]; then
exit 1
fi
fi
fi
}
function openvpn_connect() {
check_if_openvpn_is_currently_running
modify_dns backup # Backing-up current DNS entries.
manage_ipv6 disable # Disabling IPv6 on machine.
# killswitch backup_rules # Backing-up firewall rules.
config_id=$1
selected_protocol=$2
if [[ -z "$selected_protocol" ]]; then
selected_protocol="udp" # Default protocol
fi
current_ip="$(check_ip)"
connection_logs="$(get_protonvpn_cli_home)/connection_logs"
openvpn_config="$(get_protonvpn_cli_home)/protonvpn_openvpn_config.conf"
rm -f "$connection_logs" # Remove previous connection logs.
rm -f "$openvpn_config" # Remove previous openvpn config.
config_cache_path="$(get_protonvpn_cli_home)/openvpn_cache/"
mkdir -p "$config_cache_path" # Folder for openvpn config cache.
if [[ "$PROTONVPN_CLI_LOG" == "true" ]]; then # PROTONVPN_CLI_LOG is retrieved from env.
# This option only prints the path of connection_logs to end-user.
echo "[*] CLI logging mode enabled."
echo -e "[*] Logs path: $connection_logs"
fi
# Set PROTONVPN_CLI_DAEMON=false to disable daemonization of openvpn.
PROTONVPN_CLI_DAEMON=${PROTONVPN_CLI_DAEMON:=true}
wget \
--header 'x-pm-appversion: Other' \
--header 'x-pm-apiversion: 3' \
--header 'Accept: application/vnd.protonmail.v1+json' \
-o /dev/null \
--timeout 10 --tries 1 -q -O "$openvpn_config" \
"https://api.protonmail.ch/vpn/config?Platform=$(detect_platform_type)&LogicalID=$config_id&Protocol=$selected_protocol"
config_cache_name="$config_cache_path/$(detect_platform_type)-$config_id-$selected_protocol"
if [[ -f "$config_cache_name" ]]; then
if [[ $(diff "$config_cache_name" "$openvpn_config") ]]; then
echo "Configuration changed (of $(detect_platform_type)-$selected_protocol-$config_id)"
fi
fi
cp "$openvpn_config" "$config_cache_name"
echo "Connecting..."
{
max_checks=3
counter=0
while [[ $counter -lt $max_checks ]]; do
sleep 6
new_ip="$(check_ip)"
if [[ ("$current_ip" != "$new_ip") && ("$new_ip" != "Error.") ]]; then
echo "[$] Connected!"
echo "[#] New IP: $new_ip"
# DNS management
if [[ -f "$(get_protonvpn_cli_home)/.custom_dns" ]]; then
modify_dns to_custom_dns # Use Custom DNS.
echo "[Warning] You have chosen to use a custom DNS server. This may make you vulnerable to DNS leaks. Re-initialize your profile to disable the use of custom DNS."
else
modify_dns to_protonvpn_dns # Use ProtonVPN DNS server.
fi
# killswitch enable # Enable killswitch
echo "$config_id" > "$(get_protonvpn_cli_home)/.connection_config_id"
echo "$selected_protocol" > "$(get_protonvpn_cli_home)/.connection_selected_protocol"
exit 0
fi
counter=$((counter+1))
done
echo "[!] Error connecting to VPN."
if grep -q "AUTH_FAILED" "$connection_logs"; then
echo "[!] Reason: Authentication failed. Please check your ProtonVPN OpenVPN credentials."
fi
openvpn_disconnect quiet dont_exit
exit 1
} &
status_check_pid=$!
OPENVPN_OPTS=(
--config "$openvpn_config"
--auth-user-pass "$(get_protonvpn_cli_home)/protonvpn_openvpn_credentials"
--auth-retry nointeract
--verb 4
--log "$connection_logs"
)
if [[ -f "$(get_protonvpn_cli_home)/.decrease_openvpn_privileges" ]]; then
OPENVPN_OPTS+=(--user nobody
--group "$(id -gn nobody)"
)
fi
if [[ $PROTONVPN_CLI_DAEMON == true ]]; then
openvpn --daemon "${OPENVPN_OPTS[@]}"
trap 'openvpn_disconnect "" dont_exit' INT TERM
else
trap 'openvpn_disconnect "" dont_exit' INT TERM
openvpn "${OPENVPN_OPTS[@]}"
openvpn_exit=$?
fi
wait $status_check_pid
status_exit=$?
if [[ $PROTONVPN_CLI_DAEMON != true ]] && (( status_exit == 0 )); then
status_exit=$openvpn_exit
fi
exit $status_exit
}
function update_cli() {
check_if_internet_is_working_normally
cli_path="/usr/local/bin/protonvpn-cli"
if [[ ! -f "$cli_path" ]]; then
echo "[!] Error: protonvpn-cli does not seem to be installed."
exit 1
fi
echo "[#] Checking for update..."
current_local_hashsum=$($sha512sum_tool "$cli_path" | cut -d " " -f1)
remote_=$(wget --timeout 6 -o /dev/null -q -O - 'https://raw.githubusercontent.com/ProtonVPN/protonvpn-cli/master/protonvpn-cli.sh')
if [[ $? != 0 ]]; then
echo "[!] Error: There is an error updating protonvpn-cli."
exit 1
fi
remote_hashsum=$(echo "$remote_" | $sha512sum_tool | cut -d ' ' -f1)
if [[ "$current_local_hashsum" == "$remote_hashsum" ]]; then
echo "[*] protonvpn-cli is up-to-date!"
exit 0
else
echo "[#] A new update is available."
echo "[#] Updating..."
wget -q --timeout 20 -O "$cli_path" 'https://raw.githubusercontent.com/ProtonVPN/protonvpn-cli/master/protonvpn-cli.sh'
if [[ $? == 0 ]]; then
echo "[#] protonvpn-cli has been updated successfully."
exit 0
else
echo "[!] Error: There is an error updating protonvpn-cli."
exit 1
fi
fi
}
function install_cli() {
mkdir -p "/usr/bin/" "/usr/local/bin/"
cli="$(cd "$(dirname "$0")" && pwd -P)/$(basename "$0")"
errors_counter=0
cp "$cli" "/usr/local/bin/protonvpn-cli" &> /dev/null
if [[ $? != 0 ]]; then errors_counter=$((errors_counter+1)); fi
ln -s -f "/usr/local/bin/protonvpn-cli" "/usr/local/bin/pvpn" &> /dev/null
if [[ $? != 0 ]]; then errors_counter=$((errors_counter+1)); fi
ln -s -f "/usr/local/bin/protonvpn-cli" "/usr/bin/protonvpn-cli" &> /dev/null
if [[ $? != 0 ]]; then errors_counter=$((errors_counter+1)); fi
ln -s -f "/usr/local/bin/protonvpn-cli" "/usr/bin/pvpn" &> /dev/null
if [[ $? != 0 ]]; then errors_counter=$((errors_counter+1)); fi
chown "$USER:$(id -gn $USER)" "/usr/local/bin/protonvpn-cli" "/usr/local/bin/pvpn" "/usr/bin/protonvpn-cli" "/usr/bin/pvpn" &> /dev/null
if [[ $? != 0 ]]; then errors_counter=$((errors_counter+1)); fi
chmod 0755 "/usr/local/bin/protonvpn-cli" "/usr/local/bin/pvpn" "/usr/bin/protonvpn-cli" "/usr/bin/pvpn" &> /dev/null
if [[ $? != 0 ]]; then errors_counter=$((errors_counter+1)); fi
if [[ ($errors_counter == 0) || ( -n $(which protonvpn-cli) ) ]]; then
echo "[*] Done."
exit 0
else
echo "[!] Error: There was an error in installing protonvpn-cli."
exit 1
fi
}
function uninstall_cli() {
if [[ $(is_openvpn_currently_running) == true ]]; then
echo "[!] OpenVPN is currently running."
echo "[!] Session will be disconnected."
openvpn_disconnect quiet dont_exit
if [[ $(is_openvpn_currently_running) == true ]]; then # Checking if OpenVPN is still active.
echo "[!] Error disconnecting OpenVPN."
echo "[!] Please disconnect manually and try the uninstallation again."
exit 1
else
echo "[#] Disconnected."
fi
fi
errors_counter=0
rm -f "/usr/local/bin/protonvpn-cli" "/usr/local/bin/pvpn" "/usr/bin/protonvpn-cli" "/usr/bin/pvpn" &> /dev/null
if [[ $? != 0 ]]; then errors_counter=$((errors_counter+1)); fi
rm -rf "$(get_protonvpn_cli_home)/" &> /dev/null
if [[ $? != 0 ]]; then errors_counter=$((errors_counter+1)); fi
if [[ ($errors_counter == 0) || ( $(which protonvpn-cli) == "" ) ]]; then
echo "[*] Done."
exit 0
else
echo "[!] Error: There was an error in uninstalling protonvpn-cli."
exit 1
fi
}
function print_console_status() {
current_ip="$(check_ip)"
if [[ $(is_openvpn_currently_running) == true ]]; then
echo "[OpenVPN Status]: Running"
else
echo "[OpenVPN Status]: Not Running"
fi
if [[ -f "$(get_protonvpn_cli_home)/.connection_config_id" ]]; then
echo "[ProtonVPN Status]: Running"
else
echo "[ProtonVPN Status]: Not Running"
fi
if [[ "$current_ip" == "Error." ]]; then
echo "[Internet Status]: Offline"
exit 0
else
echo "[Internet Status]: Online"
echo "[Public IP Address]: $current_ip"
fi
if [[ -f "$(get_protonvpn_cli_home)/.connection_config_id" ]]; then
config_id=$(< "$(get_protonvpn_cli_home)/.connection_config_id")
vpn_server_details=$(get_vpn_server_details "$config_id")
server_name=$(echo "$vpn_server_details" | cut -d '@' -f1)
server_exit_country=$(echo "$vpn_server_details" | cut -d '@' -f2)
server_tier=$(echo "$vpn_server_details" | cut -d '@' -f3)
server_features=$(echo "$vpn_server_details" | cut -d '@' -f4)
server_load=$(echo "$vpn_server_details" | cut -d '@' -f5)
selected_protocol=$(tr '[:lower:]' '[:upper:]' < "$(get_protonvpn_cli_home)/.connection_selected_protocol")
echo "[ProtonVPN] [Server Name]: $server_name"
echo "[ProtonVPN] [OpenVPN Protocol]: $selected_protocol"
echo "[ProtonVPN] [Exit Country]: $server_exit_country"
echo "[ProtonVPN] [Tier]: $server_tier"
echo "[ProtonVPN] [Server Features]: $server_features"
echo "[ProtonVPN] [Server Load]: $server_load"
fi
exit 0
}
function get_openvpn_config_info() {
vpn_ip=$(awk '$1 == "remote" {print $2}' "$(get_protonvpn_cli_home)/protonvpn_openvpn_config.conf" | head -n 1)
vpn_port=$(awk '$1 == "remote" {print $3}' "$(get_protonvpn_cli_home)/protonvpn_openvpn_config.conf" | head -n 1)
vpn_type=$(awk '$1 == "proto" {print $2}' "$(get_protonvpn_cli_home)/protonvpn_openvpn_config.conf" | head -n 1)
vpn_device_name=$(grep -P "TUN/TAP device (.)+ opened" "$(get_protonvpn_cli_home)/connection_logs" | awk '{print $9}')
echo "$vpn_ip@$vpn_port@$vpn_type@$vpn_device_name"
}
function killswitch() {
if [[ ! -f "$(get_protonvpn_cli_home)/.enable_killswitch" ]]; then
return
fi
if [[ $1 == "backup_rules" ]]; then
if [[ $(detect_platform_type) == "linux" ]]; then
iptables-save > "$(get_protonvpn_cli_home)/.iptables.save"
elif [[ $(detect_platform_type) == "macos" ]]; then
# Todo: logic
false
fi
fi
if [[ $1 == "enable" ]]; then
if [[ $(detect_platform_type) == "linux" ]]; then
vpn_port=$(get_openvpn_config_info | cut -d "@" -f2)
vpn_type=$(get_openvpn_config_info | cut -d "@" -f3)
vpn_device_name=$(get_openvpn_config_info | cut -d "@" -f4)
iptables -F
iptables -P INPUT DROP
iptables -P OUTPUT DROP
iptables -P FORWARD DROP
iptables -A OUTPUT -o "$vpn_device_name" -j ACCEPT
iptables -A INPUT -i "$vpn_device_name" -j ACCEPT
iptables -A INPUT -i "$vpn_device_name" -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A OUTPUT -o "$vpn_device_name" -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A OUTPUT -p "$vpn_type" -m "$vpn_type" --dport "$vpn_port" -j ACCEPT
iptables -A INPUT -p "$vpn_type" -m "$vpn_type" --sport "$vpn_port" -j ACCEPT
elif [[ $(detect_platform_type) == "macos" ]]; then
# Todo: logic
false
fi
fi
if [[ $1 == "disable" ]]; then
if [[ $(detect_platform_type) == "linux" ]]; then
iptables -F
iptables-restore < "$(get_protonvpn_cli_home)/.iptables.save"
elif [[ $(detect_platform_type) == "macos" ]]; then
# Todo: logic
false
fi
fi
}
function connect_to_fastest_vpn() {
check_if_profile_initialized
check_if_openvpn_is_currently_running
check_if_internet_is_working_normally
echo "Fetching ProtonVPN servers..."
config_id=$(get_fastest_vpn_connection_id)
selected_protocol="udp"
openvpn_connect "$config_id" "$selected_protocol"
}
function connect_to_fastest_p2p_vpn() {
check_if_profile_initialized
check_if_openvpn_is_currently_running
check_if_internet_is_working_normally
echo "Fetching ProtonVPN servers..."
config_id=$(get_fastest_vpn_connection_id "P2P")
selected_protocol="udp"
openvpn_connect "$config_id" "$selected_protocol"
}
function connect_to_fastest_tor_vpn() {
check_if_profile_initialized
check_if_openvpn_is_currently_running
check_if_internet_is_working_normally
echo "Fetching ProtonVPN servers..."
config_id=$(get_fastest_vpn_connection_id "TOR")
selected_protocol="udp"
openvpn_connect "$config_id" "$selected_protocol"
}
function connect_to_fastest_secure_core_vpn() {
check_if_profile_initialized
check_if_openvpn_is_currently_running
check_if_internet_is_working_normally
echo "Fetching ProtonVPN servers..."
config_id=$(get_fastest_vpn_connection_id "SECURE_CORE")
selected_protocol="udp"
openvpn_connect "$config_id" "$selected_protocol"
}
function connect_to_random_vpn() {
check_if_profile_initialized
check_if_openvpn_is_currently_running
check_if_internet_is_working_normally
echo "Fetching ProtonVPN servers..."
config_id=$(get_random_vpn_connection_id)
available_protocols=("tcp" "udp")
selected_protocol=${available_protocols[$RANDOM % ${#available_protocols[@]}]}
openvpn_connect "$config_id" "$selected_protocol"
}
function connect_to_previous_vpn() {
check_if_profile_initialized
check_if_openvpn_is_currently_running
check_if_internet_is_working_normally
if ! [[ -f "$(get_protonvpn_cli_home)/.previous_connection_config_id" && \
-f "$(get_protonvpn_cli_home)/.previous_connection_selected_protocol" ]]; then
echo "[!] No previous VPN server were found."
exit 1
fi
config_id=$(< "$(get_protonvpn_cli_home)/.previous_connection_config_id")
selected_protocol=$(< "$(get_protonvpn_cli_home)/.previous_connection_selected_protocol")
openvpn_connect "$config_id" "$selected_protocol"
}
function reconnect_to_current_vpn() {
check_if_profile_initialized
if [[ ! -f "$(get_protonvpn_cli_home)/.connection_config_id" ]] ; then
echo "[!] Error: ProtonVPN is not currently running."
exit 1
fi
openvpn_disconnect "quiet" "dont_exit"
if [[ $(is_openvpn_currently_running) == true ]]; then # Checking if OpenVPN is still active.
echo "[!] Error disconnecting OpenVPN."
exit 1
else
echo "[#] Disconnected."
fi
echo "Reconnecting..."
connect_to_previous_vpn
}
function connect_to_specific_server() {
check_if_profile_initialized
check_if_openvpn_is_currently_running
check_if_internet_is_working_normally
echo "Fetching ProtonVPN servers..."
if [[ "$3" == "server" ]]; then
server_list=$(get_vpn_config_details | tr ' ' '@')
fi
if [[ "$3" == "country" ]]; then
server_list=$(get_country_vpn_servers_details | tr ' ' '@')
fi
if [[ "$(echo "$2" | tr '[:upper:]' '[:lower:]')" == "tcp" ]]; then
protocol="tcp"
else
protocol="udp"
fi
if [[ "$3" == "server" ]]; then
for i in $server_list; do
id=$(echo "$i" | cut -d"@" -f1)
name=$(echo "$i" | cut -d"@" -f2)
if [[ "$(echo "$1" | tr '[:upper:]' '[:lower:]')" == "$(echo "$name" | tr '[:upper:]' '[:lower:]')" ]]; then
openvpn_connect "$id" "$protocol"
fi
done
fi
if [[ "$3" == "country" ]]; then
for i in $server_list; do
id=$(echo "$i" | cut -d"@" -f1)
name=$(echo "$i" | cut -d"@" -f2)
country=$(echo "$i" | cut -d"@" -f3)
if [[ "$(echo "$1" | tr '[:upper:]' '[:lower:]')" == "$(echo "$country" | tr '[:upper:]' '[:lower:]')" ]]; then
openvpn_connect "$id" "$protocol"
fi
done
fi
# If not found in $server_list.
if [[ "$3" == "server" ]]; then
echo "[!] Error: Invalid server name, or server not accessible with your plan."
fi
if [[ "$3" == "country" ]]; then
echo "[!] Error: Invalid country name, or country not accessible with your plan."
fi
exit 1
}
function connection_to_vpn_via_dialog_menu() {
check_if_profile_initialized
check_if_openvpn_is_currently_running
check_if_internet_is_working_normally
available_protocols=("udp" " " "tcp" " ")
IFS=$'\n'
ARRAY=()
echo "Fetching ProtonVPN servers..."
if [[ "$1" == "servers" ]]; then
c2=$(get_vpn_config_details)
fi
if [[ "$1" == "countries" ]]; then
c2=$(get_country_vpn_servers_details)
fi
counter=0
for i in $c2; do
ID=$(echo "$i" | cut -d " " -f1)
data=$(echo "$i" | tr '@' ' ' | awk '{$1=""; print $0}' | tr ' ' '@')
counter=$((counter+1))
ARRAY+=("$counter")
ARRAY+=("$data")
done
# Set DIALOGRC to a custom file including VI key binding.
if [[ -f "$(get_protonvpn_cli_home)/.dialogrc" ]]; then
DIALOGRC="$(get_protonvpn_cli_home)/.dialogrc"
export DIALOGRC
fi
config_id=$(dialog --clear --ascii-lines --output-fd 1 --title "ProtonVPN-CLI" --column-separator "@" \
--menu "ID - Name - Country - Load - EntryIP - ExitIP - Features" 35 300 "$((${#ARRAY[@]}/2))" "${ARRAY[@]}" )
clear
if [[ -z "$config_id" ]]; then
exit 1
fi
c=1
for i in $c2; do
ID=$(echo "$i" | cut -d " " -f1)
if [[ $c -eq $config_id ]]; then
ID=$(echo "$i" | cut -d " " -f1)
config_id=$ID
break
fi
c=$((c+1))
done
selected_protocol=$(dialog --clear --ascii-lines --output-fd 1 --title "ProtonVPN-CLI" \
--menu "Select Network Protocol" 35 80 2 "${available_protocols[@]}")
clear
if [[ -z "$selected_protocol" ]]; then
exit 1
fi
openvpn_connect "$config_id" "$selected_protocol"
}
function connection_to_vpn_via_general_dialog_menu() {
echo "[$] Loading..."
check_if_profile_initialized