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Add WG_INTERFACE environment variable that defaults to "pia"

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Allows overriding the default Wireguard interface "pia" with "wg0" for example.

Useful when you want to match the Wireguard default `/etc/wireguard/wg0.conf` (see https://www.wireguard.com/quickstart/).
This commit is contained in:
Lucas Rangit MAGASWERAN 2022-01-23 16:47:44 +01:00
parent c7336e9e03
commit 71ff88e500
1 changed files with 11 additions and 6 deletions
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17
connect_to_wireguard_with_token.sh
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@ -80,6 +80,11 @@ if [[ -z $WG_SERVER_IP ||
exit 1 exit 1
fi fi
# Check if an Wireguard interface name has been specified (e.g. /etc/wireguard/INTERFACE.conf)
if [[ -z "$WG_INTERFACE" ]]; then
WG_INTERFACE=pia
fi
# Create ephemeral wireguard keys, that we don't need to save to disk. # Create ephemeral wireguard keys, that we don't need to save to disk.
privKey=$(wg genkey) privKey=$(wg genkey)
export privKey export privKey
@ -112,7 +117,7 @@ fi
# these scripts. Feel free to fork the project and test it out. # these scripts. Feel free to fork the project and test it out.
echo echo
echo "Trying to disable a PIA WG connection in case it exists..." 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 echo
# Create the WireGuard config based on the JSON received from the API # Create the WireGuard config based on the JSON received from the API
@ -129,7 +134,7 @@ if [[ $PIA_DNS == "true" ]]; then
echo echo
dnsSettingForVPN="DNS = $dnsServer" dnsSettingForVPN="DNS = $dnsServer"
fi fi
echo -n "Trying to write /etc/wireguard/pia.conf..." echo -n "Trying to write /etc/wireguard/$WG_INTERFACE.conf..."
mkdir -p /etc/wireguard mkdir -p /etc/wireguard
echo " echo "
[Interface] [Interface]
@ -141,7 +146,7 @@ PersistentKeepalive = 25
PublicKey = $(echo "$wireguard_json" | jq -r '.server_key') PublicKey = $(echo "$wireguard_json" | jq -r '.server_key')
AllowedIPs = 0.0.0.0/0 AllowedIPs = 0.0.0.0/0
Endpoint = ${WG_SERVER_IP}:$(echo "$wireguard_json" | jq -r '.server_port') 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}" echo -e "${green}OK!${nc}"
# Start the WireGuard interface. # Start the WireGuard interface.
@ -149,8 +154,8 @@ echo -e "${green}OK!${nc}"
# If you get DNS errors because you miss some packages, # If you get DNS errors because you miss some packages,
# just hardcode /etc/resolv.conf to "nameserver 10.0.0.242". # just hardcode /etc/resolv.conf to "nameserver 10.0.0.242".
echo echo
echo "Trying to create the wireguard interface..." echo Trying to create the wireguard interface...
wg-quick up pia || exit 1 wg-quick up "$WG_INTERFACE" || exit 1
echo echo
echo -e "${green}The WireGuard interface got created.${nc} echo -e "${green}The WireGuard interface got created.${nc}
@ -158,7 +163,7 @@ At this point, internet should work via VPN.
To disconnect the VPN, run: 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". # This section will stop the script if PIA_PF is not set to "true".