Files
gluetun/internal/configuration/sources/env/wireguard.go
Quentin McGaw 5603e25542 chore(env): VPN_INTERFACE
- With retro-compatibility with `OPENVPN_INTERFACE`
- With retro-compatibility with `WIREGUARD_INTERFACE`
2022-02-06 19:59:07 +00:00

45 lines
1.2 KiB
Go

package env
import (
"fmt"
"net"
"os"
"strings"
"github.com/qdm12/gluetun/internal/configuration/settings"
)
func (r *Reader) readWireguard() (wireguard settings.Wireguard, err error) {
defer func() {
err = unsetEnvKeys([]string{"WIREGUARD_PRIVATE_KEY", "WIREGUARD_PRESHARED_KEY"}, err)
}()
wireguard.PrivateKey = envToStringPtr("WIREGUARD_PRIVATE_KEY")
wireguard.PreSharedKey = envToStringPtr("WIREGUARD_PRESHARED_KEY")
_, wireguard.Interface = r.getEnvWithRetro("VPN_INTERFACE", "WIREGUARD_INTERFACE")
wireguard.Addresses, err = readWireguardAddresses()
if err != nil {
return wireguard, err // already wrapped
}
return wireguard, nil
}
func readWireguardAddresses() (addresses []net.IPNet, err error) {
addressesCSV := os.Getenv("WIREGUARD_ADDRESS")
if addressesCSV == "" {
return nil, nil
}
addressStrings := strings.Split(addressesCSV, ",")
addresses = make([]net.IPNet, len(addressStrings))
for i, addressString := range addressStrings {
ip, ipNet, err := net.ParseCIDR(addressString)
if err != nil {
return nil, fmt.Errorf("environment variable WIREGUARD_ADDRESS: %w", err)
}
ipNet.IP = ip
addresses[i] = *ipNet
}
return addresses, nil
}