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