mirror of
https://github.com/qdm12/gluetun.git
synced 2026-05-07 04:20:12 +02:00
Zhurik
80 lines
2.6 KiB
Go
80 lines
2.6 KiB
Go
package utils
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import (
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"net/netip"
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"github.com/qdm12/gluetun/internal/configuration/settings"
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"github.com/qdm12/gluetun/internal/models"
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"github.com/qdm12/gluetun/internal/wireguard"
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)
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func BuildWireguardSettings(connection models.Connection,
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userSettings settings.Wireguard, ipv6Supported bool,
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) (settings wireguard.Settings) {
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settings.PrivateKey = *userSettings.PrivateKey
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settings.PublicKey = connection.PubKey
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settings.PreSharedKey = *userSettings.PreSharedKey
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settings.InterfaceName = userSettings.Interface
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settings.Implementation = userSettings.Implementation
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settings.AmneziaWG = buildAmneziaWgSettings(userSettings.AmneziaWG)
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if *userSettings.MTU > 0 {
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settings.MTU = *userSettings.MTU
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} else {
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// The default is 1320 which is NOT the wireguard-go default
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// of 1420 because this impacts bandwidth a lot on some
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// VPN providers, see https://github.com/qdm12/gluetun/issues/1650.
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// It has been lowered to 1320 following quite a bit of
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// investigation in the issue: https://github.com/qdm12/gluetun/issues/2533.
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const defaultMTU = 1320
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settings.MTU = defaultMTU
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}
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settings.IPv6 = &ipv6Supported
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const rulePriority = 101 // 100 is to receive external connections
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settings.RulePriority = rulePriority
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settings.Endpoint = netip.AddrPortFrom(connection.IP, connection.Port)
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settings.Addresses = make([]netip.Prefix, 0, len(userSettings.Addresses))
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for _, address := range userSettings.Addresses {
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if !ipv6Supported && address.Addr().Is6() {
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continue
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}
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addressCopy := netip.PrefixFrom(address.Addr(), address.Bits())
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settings.Addresses = append(settings.Addresses, addressCopy)
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}
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settings.AllowedIPs = make([]netip.Prefix, 0, len(userSettings.AllowedIPs))
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for _, allowedIP := range userSettings.AllowedIPs {
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if !ipv6Supported && allowedIP.Addr().Is6() {
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continue
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}
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settings.AllowedIPs = append(settings.AllowedIPs, allowedIP)
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}
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settings.PersistentKeepaliveInterval = *userSettings.PersistentKeepaliveInterval
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return settings
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}
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func buildAmneziaWgSettings(s settings.AmneziaWg) wireguard.AmneziaSettings {
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return wireguard.AmneziaSettings{
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JunkPacketCount: *s.JunkPacketCount,
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JunkPacketMin: *s.JunkPacketMin,
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JunkPacketMax: *s.JunkPacketMax,
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PaddingS1: *s.PaddingS1,
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PaddingS2: *s.PaddingS2,
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PaddingS3: *s.PaddingS3,
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PaddingS4: *s.PaddingS4,
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HeaderH1: *s.HeaderH1,
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HeaderH2: *s.HeaderH2,
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HeaderH3: *s.HeaderH3,
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HeaderH4: *s.HeaderH4,
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InitPacketI1: *s.InitPacketI1,
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InitPacketI2: *s.InitPacketI2,
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InitPacketI3: *s.InitPacketI3,
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InitPacketI4: *s.InitPacketI4,
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InitPacketI5: *s.InitPacketI5,
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}
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}
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