Add WG_INTERFACE environment variable that defaults to "pia"

connect_to_openvpn_with_token.sh

@@ -19,6 +19,8 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
 # This function allows you to check if the required tools have been installed.
 check_tool() {
   cmd=$1
@@ -173,7 +175,7 @@ if [[ $PIA_DNS != "true" ]]; then
   echo "with the env var PIA_DNS=true. Example:"
   echo $ OVPN_SERVER_IP=\""$OVPN_SERVER_IP"\" OVPN_HOSTNAME=\""$OVPN_HOSTNAME"\" \
     PIA_TOKEN=\""$PIA_TOKEN"\" CONNECTION_SETTINGS=\""$CONNECTION_SETTINGS"\" \
-    PIA_PF=true PIA_DNS=true ./connect_to_openvpn_with_token.sh
+    PIA_PF=true PIA_DNS=true $DIR/connect_to_openvpn_with_token.sh
 else
   cp openvpn_config/openvpn_up_dnsoverwrite.sh /opt/piavpn-manual/openvpn_up.sh
   cp openvpn_config/openvpn_down_dnsoverwrite.sh /opt/piavpn-manual/openvpn_down.sh
@@ -237,10 +239,10 @@ if [[ $PIA_PF != "true" ]]; then
   echo -e "$ ${green}PIA_TOKEN=$PIA_TOKEN" \
     "PF_GATEWAY=$gateway_ip" \
     "PF_HOSTNAME=$OVPN_HOSTNAME" \
-    "./port_forwarding.sh${nc}"
+    "$DIR/port_forwarding.sh${nc}"
   echo
   echo "The location used must be port forwarding enabled, or this will fail."
-  echo "Calling the ./get_region script with PIA_PF=true will provide a filtered list."
+  echo "Calling the $DIR/get_region script with PIA_PF=true will provide a filtered list."
   exit 1
 fi
 
@@ -258,9 +260,9 @@ echo -e "Starting procedure to enable port forwarding by running the following c
 $ ${green}PIA_TOKEN=$PIA_TOKEN \\
   PF_GATEWAY=$gateway_ip \\
   PF_HOSTNAME=$OVPN_HOSTNAME \\
-  ./port_forwarding.sh${nc}"
+  $DIR/port_forwarding.sh${nc}"
 
 PIA_TOKEN=$PIA_TOKEN \
   PF_GATEWAY=$gateway_ip \
   PF_HOSTNAME=$OVPN_HOSTNAME \
-  ./port_forwarding.sh
+  $DIR/port_forwarding.sh

connect_to_wireguard_with_token.sh

@@ -19,6 +19,8 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
 # This function allows you to check if the required tools have been installed.
 check_tool() {
   cmd=$1
@@ -80,6 +82,11 @@ if [[ -z $WG_SERVER_IP ||
   exit 1
 fi
 
+# Check if an Wireguard interface name has been specified (e.g. /etc/wireguard/INTERFACE.conf)
+if [[ -z "$WG_INTERFACE" ]]; then
+  WG_INTERFACE=pia
+fi
+
 # Create ephemeral wireguard keys, that we don't need to save to disk.
 privKey=$(wg genkey)
 export privKey
@@ -112,7 +119,7 @@ fi
 # these scripts. Feel free to fork the project and test it out.
 echo
 echo "Trying to disable a PIA WG connection in case it exists..."
-wg-quick down pia && echo -e "${green}\nPIA WG connection disabled!${nc}"
+wg-quick down "$WG_INTERFACE" && echo -e "${green}\nPIA WG connection disabled!${nc}"
 echo
 
 # Create the WireGuard config based on the JSON received from the API
@@ -129,7 +136,7 @@ if [[ $PIA_DNS == "true" ]]; then
   echo
   dnsSettingForVPN="DNS = $dnsServer"
 fi
-echo -n "Trying to write /etc/wireguard/pia.conf..."
+echo -n "Trying to write /etc/wireguard/$WG_INTERFACE.conf..."
 mkdir -p /etc/wireguard
 echo "
 [Interface]
@@ -141,24 +148,24 @@ PersistentKeepalive = 25
 PublicKey = $(echo "$wireguard_json" | jq -r '.server_key')
 AllowedIPs = 0.0.0.0/0
 Endpoint = ${WG_SERVER_IP}:$(echo "$wireguard_json" | jq -r '.server_port')
-" > /etc/wireguard/pia.conf || exit 1
+" > "/etc/wireguard/$WG_INTERFACE.conf" || exit 1
 echo -e "${green}OK!${nc}"
 
 # Start the WireGuard interface.
 # If something failed, stop this script.
 # If you get DNS errors because you miss some packages,
 # just hardcode /etc/resolv.conf to "nameserver 10.0.0.242".
 echo
-echo "Trying to create the wireguard interface..."
-wg-quick up pia || exit 1
+echo Trying to create the wireguard interface...
+wg-quick up "$WG_INTERFACE" || exit 1
 echo
 echo -e "${green}The WireGuard interface got created.${nc}
 
 At this point, internet should work via VPN.
 
 To disconnect the VPN, run:
 
---> ${green}wg-quick down pia${nc} <--
+--> ${green}wg-quick down ${WG_INTERFACE}${nc} <--
 "
 
 # This section will stop the script if PIA_PF is not set to "true".
@@ -167,10 +174,10 @@ if [[ $PIA_PF != "true" ]]; then
   echo -e "$ ${green}PIA_TOKEN=$PIA_TOKEN" \
     "PF_GATEWAY=$WG_SERVER_IP" \
     "PF_HOSTNAME=$WG_HOSTNAME" \
-    "./port_forwarding.sh${nc}"
+    "$DIR/port_forwarding.sh${nc}"
   echo
   echo "The location used must be port forwarding enabled, or this will fail."
-  echo "Calling the ./get_region script with PIA_PF=true will provide a filtered list."
+  echo "Calling the $DIR/get_region script with PIA_PF=true will provide a filtered list."
   exit 1
 fi
 
@@ -188,9 +195,9 @@ echo -e "Starting procedure to enable port forwarding by running the following c
 $ ${green}PIA_TOKEN=$PIA_TOKEN \\
   PF_GATEWAY=$WG_SERVER_IP \\
   PF_HOSTNAME=$WG_HOSTNAME \\
-  ./port_forwarding.sh${nc}"
+  $DIR/port_forwarding.sh${nc}"
 
 PIA_TOKEN=$PIA_TOKEN \
   PF_GATEWAY=$WG_SERVER_IP \
   PF_HOSTNAME=$WG_HOSTNAME \
-  ./port_forwarding.sh
+  $DIR/port_forwarding.sh

get_region.sh

@@ -19,6 +19,8 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
 # This function allows you to check if the required tools have been installed.
 check_tool() {
   cmd=$1
@@ -167,7 +169,7 @@ if [[ $selectedRegion == "none" ]]; then
   if [[ -z $selectedRegion ]]; then
     echo -e "${red}No region responded within ${MAX_LATENCY}s, consider using a higher timeout."
     echo "For example, to wait 1 second for each region, inject MAX_LATENCY=1 like this:"
-    echo -e "$ MAX_LATENCY=1 ./get_region.sh${nc}"
+    echo -e "$ MAX_LATENCY=1 $DIR/get_region.sh${nc}"
     exit 1
   else
     echo -e "A list of servers and connection details, ordered by latency can be
@@ -218,10 +220,10 @@ if [[ -z $PIA_TOKEN ]]; then
   if [[ -z $PIA_USER || -z $PIA_PASS ]]; then
     echo -e "${red}If you want this script to automatically get an authentication"
     echo "token, please add the variables PIA_USER and PIA_PASS. Example:"
-    echo -e "$ PIA_USER=p0123456 PIA_PASS=xxx ./get_region.sh${nc}"
+    echo -e "$ PIA_USER=p0123456 PIA_PASS=xxx $DIR/get_region.sh${nc}"
     exit 0
   fi
-  ./get_token.sh
+  $DIR/get_token.sh
   PIA_TOKEN=$( awk 'NR == 1' /opt/piavpn-manual/token )
   export PIA_TOKEN
   rm -f /opt/piavpn-manual/token
@@ -232,15 +234,15 @@ fi
 
 # Connect with WireGuard and clear authentication token file and latencyList
 if [[ $VPN_PROTOCOL == "wireguard" ]]; then
-  echo "The ./get_region.sh script got started with"
+  echo "The $DIR/get_region.sh script got started with"
   echo -e "${green}VPN_PROTOCOL=wireguard${nc}, so we will automatically connect to WireGuard,"
   echo "by running this command:"
   echo -e "$ ${green}PIA_TOKEN=$PIA_TOKEN \\"
   echo "WG_SERVER_IP=$bestServer_WG_IP WG_HOSTNAME=$bestServer_WG_hostname \\"
-  echo -e "PIA_PF=$PIA_PF ./connect_to_wireguard_with_token.sh${nc}"
+  echo -e "PIA_PF=$PIA_PF $DIR/connect_to_wireguard_with_token.sh${nc}"
   echo
   PIA_PF=$PIA_PF PIA_TOKEN=$PIA_TOKEN WG_SERVER_IP=$bestServer_WG_IP \
-    WG_HOSTNAME=$bestServer_WG_hostname ./connect_to_wireguard_with_token.sh
+    WG_HOSTNAME=$bestServer_WG_hostname $DIR/connect_to_wireguard_with_token.sh
   rm -f /opt/piavpn-manual/latencyList
   exit 0
 fi
@@ -253,20 +255,20 @@ if [[ $VPN_PROTOCOL == openvpn* ]]; then
     serverIP=$bestServer_OT_IP
     serverHostname=$bestServer_OT_hostname
   fi
-  echo "The ./get_region.sh script got started with"
+  echo "The $DIR/get_region.sh script got started with"
   echo -e "${green}VPN_PROTOCOL=$VPN_PROTOCOL${nc}, so we will automatically"
   echo "connect to OpenVPN, by running this command:"
   echo -e "$ ${green}PIA_PF=$PIA_PF PIA_TOKEN=$PIA_TOKEN \\"
   echo "  OVPN_SERVER_IP=$serverIP \\"
   echo "  OVPN_HOSTNAME=$serverHostname \\"
   echo "  CONNECTION_SETTINGS=$VPN_PROTOCOL \\"
-  echo -e "  ./connect_to_openvpn_with_token.sh${nc}"
+  echo -e "  $DIR/connect_to_openvpn_with_token.sh${nc}"
   echo
   PIA_PF=$PIA_PF PIA_TOKEN=$PIA_TOKEN \
     OVPN_SERVER_IP=$serverIP \
     OVPN_HOSTNAME=$serverHostname \
     CONNECTION_SETTINGS=$VPN_PROTOCOL \
-    ./connect_to_openvpn_with_token.sh
+    $DIR/connect_to_openvpn_with_token.sh
   rm -f /opt/piavpn-manual/latencyList
   exit 0
 fi

get_token.sh

@@ -19,6 +19,8 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
 # This function allows you to check if the required tools have been installed.
 check_tool() {
   cmd=$1
@@ -62,7 +64,7 @@ mkdir -p /opt/piavpn-manual
 if [[ -z $PIA_USER || -z $PIA_PASS ]]; then
   echo "If you want this script to automatically get a token from the Meta"
   echo "service, please add the variables PIA_USER and PIA_PASS. Example:"
-  echo "$ PIA_USER=p0123456 PIA_PASS=xxx ./get_token.sh"
+  echo "$ PIA_USER=p0123456 PIA_PASS=xxx $DIR/get_token.sh"
   exit 1
 fi
 

run_setup.sh

@@ -18,6 +18,9 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
+set -o xtrace
+
+DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 
 # Check if terminal allows output, if yes, define colors for output
 if [[ -t 1 ]]; then
@@ -98,7 +101,7 @@ while :; do
   export PIA_PASS
 
   # Confirm credentials and generate token
-  ./get_token.sh
+  $DIR/get_token.sh
 
   tokenLocation="/opt/piavpn-manual/token"
   # If the script failed to generate an authentication token, the script will exit early.
@@ -252,7 +255,7 @@ For example, you can try 0.2 for 200ms allowed latency.
       export PREFERRED_REGION
       VPN_PROTOCOL="no"
       export VPN_PROTOCOL
-      VPN_PROTOCOL=no ./get_region.sh
+      VPN_PROTOCOL=no $DIR/get_region.sh
 
       if [[ -s /opt/piavpn-manual/latencyList ]]; then
         # Output the ordered list of servers that meet the latency specification $MAX_LATENCY
@@ -308,7 +311,7 @@ For example, you can try 0.2 for 200ms allowed latency.
     # Validate in-line declaration of PREFERRED_REGION; if invalid remove input to initiate prompts
     echo "Region input is : $PREFERRED_REGION"
     export PREFERRED_REGION
-    VPN_PROTOCOL=no ./get_region.sh
+    VPN_PROTOCOL=no $DIR/get_region.sh
     if [[ $? != 1 ]]; then
       break
     fi
@@ -391,4 +394,4 @@ echo -e "${green}PIA_DNS=$PIA_DNS${nc}"
 CONNECTION_READY="true"
 export CONNECTION_READY
 
-./get_region.sh
+$DIR/get_region.sh