Merge pull request #1339 from haugene/feature/external-config

Adding support for fetching configs from URL
This commit is contained in:
Kristian Haugene
2020-08-24 20:59:46 +02:00
committed by GitHub
6 changed files with 120 additions and 90 deletions

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@@ -17,8 +17,7 @@ OPENVPN_IP=$(curl -s https://freevpn.${DOMAIN}/accounts/ | grep IP | sed s/"^.*
# freevpn.me , main server, presents two servers with different address
# and related password to be used
SERVER=${OPENVPN_IP%".freevpn.${DOMAIN}"}
PASSWORD=$(curl -s https://freevpn.${DOMAIN}/accounts/ | grep Password | sed s/"^.*Password\:.... "/""/g | sed s/"<.*"/""/g)
echo "${PASSWORD}" > /etc/freevpn_password
export OPENVPN_PASSWORD=$(curl -s https://freevpn.${DOMAIN}/accounts/ | grep Password | sed s/"^.*Password\:.... "/""/g | sed s/"<.*"/""/g)
DIR="/tmp/freevpn"
TARGET="/etc/openvpn/freevpn"

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@@ -0,0 +1,16 @@
#!/bin/bash
echo "Modify chosen OpenVPN config for best behaviour in this container"
# Every config modification have its own environemnt variable that can configure the behaviour.
# Different users, providers or host systems might have specific preferences.
# But we should try to add sensible defaults, a way to disable it, and alternative implementations as needed.
CONFIG_MOD_USERPASS=${CONFIG_MOD_USERPASS:-"1"}
## Option 1 - Change the auth-user-pass line to point to credentials file
if [[ $CONFIG_MOD_USERPASS == "1" ]]; then
echo "Point auth-user-pass option to the username/password file"
sed -i "s/auth-user-pass/auth-user-pass \/config\/openvpn-credentials.txt/" "$CHOSEN_OPENVPN_CONFIG"
fi

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@@ -0,0 +1,19 @@
#! /bin/bash
NORDVPN_PROTOCOL=${NORDVPN_PROTOCOL:-UDP}
export NORDVPN_PROTOCOL
NORDVPN_CATEGORY=${NORDVPN_CATEGORY:-P2P}
export NORDVPN_CATEGORY
if [[ -n $OPENVPN_CONFIG ]]; then
tmp_Protocol="${OPENVPN_CONFIG##*.}"
export NORDVPN_PROTOCOL=${tmp_Protocol^^}
echo "Setting NORDVPN_PROTOCOL to: ${NORDVPN_PROTOCOL}"
${VPN_PROVIDER_HOME}/updateConfigs.sh --openvpn-config
elif [[ -n $NORDVPN_COUNTRY ]]; then
export OPENVPN_CONFIG=$(${VPN_PROVIDER_HOME}/updateConfigs.sh)
else
export OPENVPN_CONFIG=$(${VPN_PROVIDER_HOME}/updateConfigs.sh --get-recommended)
fi

View File

@@ -110,7 +110,7 @@ download_hostname() {
log "Downloading config: ${ovpnName}"
log "Downloading from: ${nordvpn_cdn}"
curl ${nordvpn_cdn} -o "${ovpnName}"
curl -sSL ${nordvpn_cdn} -o "${ovpnName}"
}
update_hostname() {
log "Checking line endings"

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@@ -1,7 +1,17 @@
#!/bin/bash
VPN_PROVIDER="${OPENVPN_PROVIDER,,}"
VPN_PROVIDER_CONFIGS="/etc/openvpn/${VPN_PROVIDER}"
export VPN_PROVIDER_CONFIGS
##
# Get some initial setup out of the way.
##
[[ "${DEBUG}" == "true" ]] && set -x
# If openvpn-pre-start.sh exists, run it
if [[ -x /scripts/openvpn-pre-start.sh ]]; then
echo "Executing /scripts/openvpn-pre-start.sh"
/scripts/openvpn-pre-start.sh "$@"
echo "/scripts/openvpn-pre-start.sh returned $?"
fi
# If create_tun_device is set, create /dev/net/tun
if [[ "${CREATE_TUN_DEVICE,,}" == "true" ]]; then
@@ -10,98 +20,67 @@ if [[ "${CREATE_TUN_DEVICE,,}" == "true" ]]; then
chmod 0666 /dev/net/tun
fi
if [[ "${OPENVPN_PROVIDER}" == "**None**" ]] || [[ -z "${OPENVPN_PROVIDER-}" ]]; then
echo "OpenVPN provider not set. Exiting."
exit 1
elif [[ ! -d "${VPN_PROVIDER_CONFIGS}" ]]; then
echo "Could not find OpenVPN provider: ${OPENVPN_PROVIDER}"
echo "Please check your settings."
exit 1
##
# Configure OpenVPN.
# This basically means to figure out the config file to use as well as username/password
##
# If no OPENVPN_PROVIDER is given, we default to "custom" provider.
VPN_PROVIDER="${OPENVPN_PROVIDER:-custom}"
VPN_PROVIDER="${VPN_PROVIDER,,}" # to lowercase
VPN_PROVIDER_HOME="/etc/openvpn/${VPN_PROVIDER}"
mkdir -p "$VPN_PROVIDER_HOME"
# Make sure that we have enough information to start OpenVPN
if [[ -z $OPENVPN_CONFIG_URL ]] && [[ "${OPENVPN_PROVIDER}" == "**None**" ]] || [[ -z "${OPENVPN_PROVIDER-}" ]]; then
echo "ERROR: Cannot determine where to find your OpenVPN config. Both OPENVPN_CONFIG_URL and OPENVPN_PROVIDER is unset."
echo "You have to either provide a URL to the config you want to use, or set a configured provider that will download one for you."
echo "Exiting..." && exit 1
fi
echo "Using OpenVPN provider: ${VPN_PROVIDER^^}"
if [[ -n $OPENVPN_CONFIG_URL ]]; then
echo "Found URL to OpenVPN config, will download it."
CHOSEN_OPENVPN_CONFIG=$VPN_PROVIDER_HOME/downloaded_config.ovpn
curl -o "$CHOSEN_OPENVPN_CONFIG" -sSL "$OPENVPN_CONFIG_URL"
# shellcheck source=/dev/null
. /etc/openvpn/modify-openvpn-config.sh
elif [[ -x $VPN_PROVIDER_HOME/configure-openvpn.sh ]]; then
echo "Provider $OPENVPN_PROVIDER has a custom startup script, executing it"
# shellcheck source=/dev/null
. "$VPN_PROVIDER_HOME"/configure-openvpn.sh
fi
echo "Using OpenVPN provider: ${OPENVPN_PROVIDER}"
if [[ -z ${CHOSEN_OPENVPN_CONFIG} ]]; then
# We still don't have a config. The user might have set a config in OPENVPN_CONFIG.
if [[ -n "${OPENVPN_CONFIG-}" ]]; then
readarray -t OPENVPN_CONFIG_ARRAY <<< "${OPENVPN_CONFIG//,/$'\n'}"
# If openvpn-pre-start.sh exists, run it
if [ -x /scripts/openvpn-pre-start.sh ]
then
echo "Executing /scripts/openvpn-pre-start.sh"
/scripts/openvpn-pre-start.sh "$@"
echo "/scripts/openvpn-pre-start.sh returned $?"
fi
## Trim leading and trailing spaces from all entries. Inefficient as all heck, but works like a champ.
for i in "${!OPENVPN_CONFIG_ARRAY[@]}"; do
OPENVPN_CONFIG_ARRAY[${i}]="${OPENVPN_CONFIG_ARRAY[${i}]#"${OPENVPN_CONFIG_ARRAY[${i}]%%[![:space:]]*}"}"
OPENVPN_CONFIG_ARRAY[${i}]="${OPENVPN_CONFIG_ARRAY[${i}]%"${OPENVPN_CONFIG_ARRAY[${i}]##*[![:space:]]}"}"
done
if [[ "${OPENVPN_PROVIDER^^}" = "NORDVPN" ]]
then
if [[ -z $NORDVPN_PROTOCOL ]]
then
export NORDVPN_PROTOCOL=UDP
# If there were multiple configs (comma separated), select one of them
if (( ${#OPENVPN_CONFIG_ARRAY[@]} > 1 )); then
OPENVPN_CONFIG_RANDOM=$((RANDOM%${#OPENVPN_CONFIG_ARRAY[@]}))
echo "${#OPENVPN_CONFIG_ARRAY[@]} servers found in OPENVPN_CONFIG, ${OPENVPN_CONFIG_ARRAY[${OPENVPN_CONFIG_RANDOM}]} chosen randomly"
OPENVPN_CONFIG="${OPENVPN_CONFIG_ARRAY[${OPENVPN_CONFIG_RANDOM}]}"
fi
if [[ -z $NORDVPN_CATEGORY ]]
then
export NORDVPN_CATEGORY=P2P
fi
if [[ -n $OPENVPN_CONFIG ]]
then
tmp_Protocol="${OPENVPN_CONFIG##*.}"
export NORDVPN_PROTOCOL=${tmp_Protocol^^}
echo "Setting NORDVPN_PROTOCOL to: ${NORDVPN_PROTOCOL}"
${VPN_PROVIDER_CONFIGS}/updateConfigs.sh --openvpn-config
elif [[ -n $NORDVPN_COUNTRY ]]
then
export OPENVPN_CONFIG=$(${VPN_PROVIDER_CONFIGS}/updateConfigs.sh)
# Check that the chosen config exists.
if [[ -f "${VPN_PROVIDER_HOME}/${OPENVPN_CONFIG}.ovpn" ]]; then
echo "Starting OpenVPN using config ${OPENVPN_CONFIG}.ovpn"
CHOSEN_OPENVPN_CONFIG="${VPN_PROVIDER_HOME}/${OPENVPN_CONFIG}.ovpn"
else
export OPENVPN_CONFIG=$(${VPN_PROVIDER_CONFIGS}/updateConfigs.sh --get-recommended)
echo "Supplied config ${OPENVPN_CONFIG}.ovpn could not be found."
exit 1 # No longer fall back to default. The user chose a specific config - we should use it or fail.
fi
elif [[ "${OPENVPN_PROVIDER^^}" = "FREEVPN" ]]
then
FREEVPN_DOMAIN=${OPENVPN_CONFIG%%-*}
# Update FreeVPN certs
/etc/openvpn/updateFreeVPN.sh
# Get password obtained from updateFreeVPN.sh
export OPENVPN_PASSWORD=$(cat /etc/freevpn_password)
rm /etc/freevpn_password
elif [[ "${OPENVPN_PROVIDER^^}" = "VPNBOOK" ]]
then
pwd_url=$(curl -s "https://www.vpnbook.com/freevpn" | grep -m2 "Password:" | tail -n1 | cut -d \" -f2)
curl -s -X POST --header "apikey: 5a64d478-9c89-43d8-88e3-c65de9999580" \
-F "url=https://www.vpnbook.com/${pwd_url}" \
-F 'language=eng' \
-F 'isOverlayRequired=true' \
-F 'FileType=.Auto' \
-F 'IsCreateSearchablePDF=false' \
-F 'isSearchablePdfHideTextLayer=true' \
-F 'scale=true' \
-F 'detectOrientation=false' \
-F 'isTable=false' \
"https://api.ocr.space/parse/image" -o /tmp/vpnbook_pwd
export OPENVPN_PASSWORD=$(cat /tmp/vpnbook_pwd | awk -F',' '{ print $1 }' | awk -F':' '{print $NF}' | tr -d '"' | awk '{print $1 $2}')
fi
if [[ -n "${OPENVPN_CONFIG-}" ]]; then
readarray -t OPENVPN_CONFIG_ARRAY <<< "${OPENVPN_CONFIG//,/$'\n'}"
## Trim leading and trailing spaces from all entries. Inefficient as all heck, but works like a champ.
for i in "${!OPENVPN_CONFIG_ARRAY[@]}"; do
OPENVPN_CONFIG_ARRAY[${i}]="${OPENVPN_CONFIG_ARRAY[${i}]#"${OPENVPN_CONFIG_ARRAY[${i}]%%[![:space:]]*}"}"
OPENVPN_CONFIG_ARRAY[${i}]="${OPENVPN_CONFIG_ARRAY[${i}]%"${OPENVPN_CONFIG_ARRAY[${i}]##*[![:space:]]}"}"
done
if (( ${#OPENVPN_CONFIG_ARRAY[@]} > 1 )); then
OPENVPN_CONFIG_RANDOM=$((RANDOM%${#OPENVPN_CONFIG_ARRAY[@]}))
echo "${#OPENVPN_CONFIG_ARRAY[@]} servers found in OPENVPN_CONFIG, ${OPENVPN_CONFIG_ARRAY[${OPENVPN_CONFIG_RANDOM}]} chosen randomly"
OPENVPN_CONFIG="${OPENVPN_CONFIG_ARRAY[${OPENVPN_CONFIG_RANDOM}]}"
fi
if [[ -f "${VPN_PROVIDER_CONFIGS}/${OPENVPN_CONFIG}.ovpn" ]]; then
echo "Starting OpenVPN using config ${OPENVPN_CONFIG}.ovpn"
OPENVPN_CONFIG="${VPN_PROVIDER_CONFIGS}/${OPENVPN_CONFIG}.ovpn"
else
echo "Supplied config ${OPENVPN_CONFIG}.ovpn could not be found."
echo "Using default OpenVPN gateway for provider ${VPN_PROVIDER}"
OPENVPN_CONFIG="${VPN_PROVIDER_CONFIGS}/default.ovpn"
echo "No VPN configuration provided. Using default."
CHOSEN_OPENVPN_CONFIG="${VPN_PROVIDER_HOME}/default.ovpn"
fi
else
echo "No VPN configuration provided. Using default."
OPENVPN_CONFIG="${VPN_PROVIDER_CONFIGS}/default.ovpn"
fi
# add OpenVPN user/pass
@@ -110,7 +89,7 @@ if [[ "${OPENVPN_USERNAME}" == "**None**" ]] || [[ "${OPENVPN_PASSWORD}" == "**N
echo "OpenVPN credentials not set. Exiting."
exit 1
fi
echo "Found existing OPENVPN credentials..."
echo "Found existing OPENVPN credentials at /config/openvpn-credentials.txt"
else
echo "Setting OPENVPN credentials..."
mkdir -p /config
@@ -165,6 +144,7 @@ if [[ "${ENABLE_UFW,,}" == "true" ]]; then
ufw disable
echo "" > /etc/ufw/user.rules
fi
# Enable firewall
echo "enabling firewall"
sed -i -e s/IPV6=yes/IPV6=no/ /etc/default/ufw
@@ -215,4 +195,5 @@ if [[ -n "${LOCAL_NETWORK-}" ]]; then
fi
fi
exec openvpn ${TRANSMISSION_CONTROL_OPTS} ${OPENVPN_OPTS} --config "${OPENVPN_CONFIG}"
# shellcheck disable=SC2086
exec openvpn ${TRANSMISSION_CONTROL_OPTS} ${OPENVPN_OPTS} --config "${CHOSEN_OPENVPN_CONFIG}"

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@@ -0,0 +1,15 @@
#! /bin/bash
pwd_url=$(curl -s "https://www.vpnbook.com/freevpn" | grep -m2 "Password:" | tail -n1 | cut -d \" -f2)
curl -s -X POST --header "apikey: 5a64d478-9c89-43d8-88e3-c65de9999580" \
-F "url=https://www.vpnbook.com/${pwd_url}" \
-F 'language=eng' \
-F 'isOverlayRequired=true' \
-F 'FileType=.Auto' \
-F 'IsCreateSearchablePDF=false' \
-F 'isSearchablePdfHideTextLayer=true' \
-F 'scale=true' \
-F 'detectOrientation=false' \
-F 'isTable=false' \
"https://api.ocr.space/parse/image" -o /tmp/vpnbook_pwd
export OPENVPN_PASSWORD=$(cat /tmp/vpnbook_pwd | awk -F',' '{ print $1 }' | awk -F':' '{print $NF}' | tr -d '"')