mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-11-10 11:03:13 +00:00
128 lines
2.9 KiB
Go
128 lines
2.9 KiB
Go
package libbox
|
|
|
|
import (
|
|
"net"
|
|
"net/netip"
|
|
|
|
"github.com/sagernet/sing-box/option"
|
|
"github.com/sagernet/sing-tun"
|
|
"github.com/sagernet/sing/common"
|
|
E "github.com/sagernet/sing/common/exceptions"
|
|
M "github.com/sagernet/sing/common/metadata"
|
|
)
|
|
|
|
type TunOptions interface {
|
|
GetInet4Address() RoutePrefixIterator
|
|
GetInet6Address() RoutePrefixIterator
|
|
GetDNSServerAddress() (string, error)
|
|
GetMTU() int32
|
|
GetAutoRoute() bool
|
|
GetStrictRoute() bool
|
|
GetInet4RouteAddress() RoutePrefixIterator
|
|
GetInet6RouteAddress() RoutePrefixIterator
|
|
GetIncludePackage() StringIterator
|
|
GetExcludePackage() StringIterator
|
|
IsHTTPProxyEnabled() bool
|
|
GetHTTPProxyServer() string
|
|
GetHTTPProxyServerPort() int32
|
|
}
|
|
|
|
type RoutePrefix struct {
|
|
Address string
|
|
Prefix int32
|
|
}
|
|
|
|
func (p *RoutePrefix) Mask() string {
|
|
var bits int
|
|
if M.ParseSocksaddr(p.Address).Addr.Is6() {
|
|
bits = 128
|
|
} else {
|
|
bits = 32
|
|
}
|
|
return net.IP(net.CIDRMask(int(p.Prefix), bits)).String()
|
|
}
|
|
|
|
type RoutePrefixIterator interface {
|
|
Next() *RoutePrefix
|
|
HasNext() bool
|
|
}
|
|
|
|
func mapRoutePrefix(prefixes []netip.Prefix) RoutePrefixIterator {
|
|
return newIterator(common.Map(prefixes, func(prefix netip.Prefix) *RoutePrefix {
|
|
return &RoutePrefix{
|
|
Address: prefix.Addr().String(),
|
|
Prefix: int32(prefix.Bits()),
|
|
}
|
|
}))
|
|
}
|
|
|
|
var _ TunOptions = (*tunOptions)(nil)
|
|
|
|
type tunOptions struct {
|
|
*tun.Options
|
|
routeRanges []netip.Prefix
|
|
option.TunPlatformOptions
|
|
}
|
|
|
|
func (o *tunOptions) GetInet4Address() RoutePrefixIterator {
|
|
return mapRoutePrefix(o.Inet4Address)
|
|
}
|
|
|
|
func (o *tunOptions) GetInet6Address() RoutePrefixIterator {
|
|
return mapRoutePrefix(o.Inet6Address)
|
|
}
|
|
|
|
func (o *tunOptions) GetDNSServerAddress() (string, error) {
|
|
if len(o.Inet4Address) == 0 || o.Inet4Address[0].Bits() == 32 {
|
|
return "", E.New("need one more IPv4 address for DNS hijacking")
|
|
}
|
|
return o.Inet4Address[0].Addr().Next().String(), nil
|
|
}
|
|
|
|
func (o *tunOptions) GetMTU() int32 {
|
|
return int32(o.MTU)
|
|
}
|
|
|
|
func (o *tunOptions) GetAutoRoute() bool {
|
|
return o.AutoRoute
|
|
}
|
|
|
|
func (o *tunOptions) GetStrictRoute() bool {
|
|
return o.StrictRoute
|
|
}
|
|
|
|
func (o *tunOptions) GetInet4RouteAddress() RoutePrefixIterator {
|
|
return mapRoutePrefix(common.Filter(o.routeRanges, func(it netip.Prefix) bool {
|
|
return it.Addr().Is4()
|
|
}))
|
|
}
|
|
|
|
func (o *tunOptions) GetInet6RouteAddress() RoutePrefixIterator {
|
|
return mapRoutePrefix(common.Filter(o.routeRanges, func(it netip.Prefix) bool {
|
|
return it.Addr().Is6()
|
|
}))
|
|
}
|
|
|
|
func (o *tunOptions) GetIncludePackage() StringIterator {
|
|
return newIterator(o.IncludePackage)
|
|
}
|
|
|
|
func (o *tunOptions) GetExcludePackage() StringIterator {
|
|
return newIterator(o.ExcludePackage)
|
|
}
|
|
|
|
func (o *tunOptions) IsHTTPProxyEnabled() bool {
|
|
if o.TunPlatformOptions.HTTPProxy == nil {
|
|
return false
|
|
}
|
|
return o.TunPlatformOptions.HTTPProxy.Enabled
|
|
}
|
|
|
|
func (o *tunOptions) GetHTTPProxyServer() string {
|
|
return o.TunPlatformOptions.HTTPProxy.Server
|
|
}
|
|
|
|
func (o *tunOptions) GetHTTPProxyServerPort() int32 {
|
|
return int32(o.TunPlatformOptions.HTTPProxy.ServerPort)
|
|
}
|