Xray-core/infra/conf/tun.go
2023-04-23 19:51:48 +08:00

114 lines
3.9 KiB
Go

package conf
import (
"encoding/json"
"net/netip"
"github.com/sagernet/sing/common"
"github.com/xtls/xray-core/app/tun"
)
type TunConfig struct {
InterfaceName string `json:"interface_name,omitempty"`
MTU uint32 `json:"mtu,omitempty"`
Inet4Address Listable[ListenPrefix] `json:"inet4_address,omitempty"`
Inet6Address Listable[ListenPrefix] `json:"inet6_address,omitempty"`
AutoRoute bool `json:"auto_route,omitempty"`
StrictRoute bool `json:"strict_route,omitempty"`
Inet4RouteAddress Listable[ListenPrefix] `json:"inet4_route_address,omitempty"`
Inet6RouteAddress Listable[ListenPrefix] `json:"inet6_route_address,omitempty"`
IncludeUID Listable[uint32] `json:"include_uid,omitempty"`
IncludeUIDRange Listable[string] `json:"include_uid_range,omitempty"`
ExcludeUID Listable[uint32] `json:"exclude_uid,omitempty"`
ExcludeUIDRange Listable[string] `json:"exclude_uid_range,omitempty"`
IncludeAndroidUser Listable[int] `json:"include_android_user,omitempty"`
IncludePackage Listable[string] `json:"include_package,omitempty"`
ExcludePackage Listable[string] `json:"exclude_package,omitempty"`
EndpointIndependentNat bool `json:"endpoint_independent_nat,omitempty"`
UDPTimeout int64 `json:"udp_timeout,omitempty"`
Stack string `json:"stack,omitempty"`
AutoDetectInterface bool `json:"auto_detect_interface,omitempty"`
OverrideAndroidVPN bool `json:"override_android_vpn,omitempty"`
}
func (f *TunConfig) Build() (*tun.Config, error) {
var config tun.Config
config.InterfaceName = f.InterfaceName
config.Mtu = f.MTU
config.Inet4Address = common.Map(common.Map(f.Inet4Address, ListenPrefix.Build), netip.Prefix.String)
config.Inet6Address = common.Map(common.Map(f.Inet6Address, ListenPrefix.Build), netip.Prefix.String)
config.AutoRoute = f.AutoRoute
config.StrictRoute = f.StrictRoute
config.Inet4RouteAddress = common.Map(common.Map(f.Inet4RouteAddress, ListenPrefix.Build), netip.Prefix.String)
config.Inet6RouteAddress = common.Map(common.Map(f.Inet6RouteAddress, ListenPrefix.Build), netip.Prefix.String)
config.IncludeUid = f.IncludeUID
config.IncludeUidRange = f.IncludeUIDRange
config.ExcludeUid = f.ExcludeUID
config.ExcludeUidRange = f.ExcludeUIDRange
config.IncludeAndroidUser = common.Map(f.IncludeAndroidUser, func(it int) int32 {
return int32(it)
})
config.IncludePackage = f.IncludePackage
config.ExcludePackage = f.ExcludePackage
config.EndpointIndependentNat = f.EndpointIndependentNat
config.UdpTimeout = f.UDPTimeout
config.Stack = f.Stack
// for xray
config.AutoDetectInterface = f.AutoDetectInterface
config.OverrideAndroidVpn = f.OverrideAndroidVPN
return &config, nil
}
type Listable[T comparable] []T
func (l Listable[T]) MarshalJSON() ([]byte, error) {
arrayList := []T(l)
if len(arrayList) == 1 {
return json.Marshal(arrayList[0])
}
return json.Marshal(arrayList)
}
func (l *Listable[T]) UnmarshalJSON(content []byte) error {
err := json.Unmarshal(content, (*[]T)(l))
if err == nil {
return nil
}
var singleItem T
err = json.Unmarshal(content, &singleItem)
if err != nil {
return err
}
*l = []T{singleItem}
return nil
}
type ListenPrefix netip.Prefix
func (p ListenPrefix) MarshalJSON() ([]byte, error) {
prefix := netip.Prefix(p)
if !prefix.IsValid() {
return json.Marshal(nil)
}
return json.Marshal(prefix.String())
}
func (p *ListenPrefix) UnmarshalJSON(bytes []byte) error {
var value string
err := json.Unmarshal(bytes, &value)
if err != nil {
return err
}
prefix, err := netip.ParsePrefix(value)
if err != nil {
return err
}
*p = ListenPrefix(prefix)
return nil
}
func (p ListenPrefix) Build() netip.Prefix {
return netip.Prefix(p)
}