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fix: logic of auto-detect-interface

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This commit is contained in:
gVisor bot 2022-04-23 23:42:42 +08:00
parent 62dcfed9c2
commit 086772b721
6 changed files with 30 additions and 22 deletions
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2
config/config.go
View file

@ -115,6 +115,7 @@ type Tun struct {
Stack C.TUNStack `yaml:"stack" json:"stack"` Stack C.TUNStack `yaml:"stack" json:"stack"`
DNSHijack []netip.AddrPort `yaml:"dns-hijack" json:"dns-hijack"` DNSHijack []netip.AddrPort `yaml:"dns-hijack" json:"dns-hijack"`
AutoRoute bool `yaml:"auto-route" json:"auto-route"` AutoRoute bool `yaml:"auto-route" json:"auto-route"`
AutoDetectInterface bool `yaml:"auto-detect-interface" json:"auto-detect-interface"`
} }
// IPTables config // IPTables config
@ -915,6 +916,7 @@ func parseTun(rawTun RawTun, general *General) (*Tun, error) {
Stack: rawTun.Stack, Stack: rawTun.Stack,
DNSHijack: dnsHijack, DNSHijack: dnsHijack,
AutoRoute: rawTun.AutoRoute, AutoRoute: rawTun.AutoRoute,
AutoDetectInterface: rawTun.AutoDetectInterface,
}, nil }, nil
} }

8
listener/tun/ipstack/commons/router_darwin.go
View file

@ -12,7 +12,7 @@ func GetAutoDetectInterface() (string, error) {
return cmd.ExecCmd("bash -c route -n get default | grep 'interface:' | awk -F ' ' 'NR==1{print $2}' | xargs echo -n") return cmd.ExecCmd("bash -c route -n get default | grep 'interface:' | awk -F ' ' 'NR==1{print $2}' | xargs echo -n")
} }
func ConfigInterfaceAddress(dev device.Device, addr netip.Prefix, forceMTU int, autoRoute bool) error { func ConfigInterfaceAddress(dev device.Device, addr netip.Prefix, forceMTU int, autoRoute, autoDetectInterface bool) error {
if !addr.Addr().Is4() { if !addr.Addr().Is4() {
return fmt.Errorf("supported ipv4 only") return fmt.Errorf("supported ipv4 only")
} }
@ -37,12 +37,12 @@ func ConfigInterfaceAddress(dev device.Device, addr netip.Prefix, forceMTU int,
} }
if autoRoute { if autoRoute {
err = configInterfaceRouting(interfaceName, addr) err = configInterfaceRouting(interfaceName, addr, autoDetectInterface)
} }
return err return err
} }
func configInterfaceRouting(interfaceName string, addr netip.Prefix) error { func configInterfaceRouting(interfaceName string, addr netip.Prefix, autoDetectInterface bool) error {
var ( var (
routes = append(defaultRoutes, addr.String()) routes = append(defaultRoutes, addr.String())
gateway = addr.Masked().Addr().Next() gateway = addr.Masked().Addr().Next()
@ -54,7 +54,9 @@ func configInterfaceRouting(interfaceName string, addr netip.Prefix) error {
} }
} }
if autoDetectInterface {
go DefaultInterfaceChangeMonitor() go DefaultInterfaceChangeMonitor()
}
return execRouterCmd("add", "-inet6", "2000::/3", interfaceName) return execRouterCmd("add", "-inet6", "2000::/3", interfaceName)
} }

8
listener/tun/ipstack/commons/router_linux.go
View file

@ -17,7 +17,7 @@ func GetAutoDetectInterface() (string, error) {
return cmd.ExecCmd("bash -c ip route show | grep 'default via' | awk -F ' ' 'NR==1{print $5}' | xargs echo -n") return cmd.ExecCmd("bash -c ip route show | grep 'default via' | awk -F ' ' 'NR==1{print $5}' | xargs echo -n")
} }
func ConfigInterfaceAddress(dev device.Device, addr netip.Prefix, forceMTU int, autoRoute bool) error { func ConfigInterfaceAddress(dev device.Device, addr netip.Prefix, forceMTU int, autoRoute, autoDetectInterface bool) error {
var ( var (
interfaceName = dev.Name() interfaceName = dev.Name()
ip = addr.Masked().Addr().Next() ip = addr.Masked().Addr().Next()
@ -34,12 +34,12 @@ func ConfigInterfaceAddress(dev device.Device, addr netip.Prefix, forceMTU int,
} }
if autoRoute { if autoRoute {
err = configInterfaceRouting(interfaceName, addr) err = configInterfaceRouting(interfaceName, addr, autoDetectInterface)
} }
return err return err
} }
func configInterfaceRouting(interfaceName string, addr netip.Prefix) error { func configInterfaceRouting(interfaceName string, addr netip.Prefix, autoDetectInterface bool) error {
linkIP := addr.Masked().Addr().Next() linkIP := addr.Masked().Addr().Next()
if runtime.GOOS == "android" { if runtime.GOOS == "android" {
const tableId = 1981801 const tableId = 1981801
@ -61,7 +61,9 @@ func configInterfaceRouting(interfaceName string, addr netip.Prefix) error {
} }
} }
if autoDetectInterface {
go DefaultInterfaceChangeMonitor() go DefaultInterfaceChangeMonitor()
}
return nil return nil
} }

2
listener/tun/ipstack/commons/router_others.go
View file

@ -14,6 +14,6 @@ func GetAutoDetectInterface() (string, error) {
return "", fmt.Errorf("can not auto detect interface-name on this OS: %s, you must be detecting interface-name by manual", runtime.GOOS) return "", fmt.Errorf("can not auto detect interface-name on this OS: %s, you must be detecting interface-name by manual", runtime.GOOS)
} }
func ConfigInterfaceAddress(device.Device, netip.Prefix, int, bool) error { func ConfigInterfaceAddress(device.Device, netip.Prefix, int, bool, bool) error {
return fmt.Errorf("unsupported on this OS: %s", runtime.GOOS) return fmt.Errorf("unsupported on this OS: %s", runtime.GOOS)
} }

4
listener/tun/ipstack/commons/router_windows.go
View file

@ -27,7 +27,7 @@ func GetAutoDetectInterface() (string, error) {
return getAutoDetectInterfaceByFamily(winipcfg.AddressFamily(windows.AF_INET6)) return getAutoDetectInterfaceByFamily(winipcfg.AddressFamily(windows.AF_INET6))
} }
func ConfigInterfaceAddress(dev device.Device, addr netip.Prefix, forceMTU int, autoRoute bool) error { func ConfigInterfaceAddress(dev device.Device, addr netip.Prefix, forceMTU int, autoRoute, autoDetectInterface bool) error {
retryOnFailure := services.StartedAtBoot() retryOnFailure := services.StartedAtBoot()
tryTimes := 0 tryTimes := 0
var err error var err error
@ -205,7 +205,9 @@ startOver:
wintunInterfaceName = dev.Name() wintunInterfaceName = dev.Name()
if autoDetectInterface {
go DefaultInterfaceChangeMonitor() go DefaultInterfaceChangeMonitor()
}
return nil return nil
} }

2
listener/tun/tun_adapter.go
View file

@ -90,7 +90,7 @@ func New(tunConf *config.Tun, dnsConf *config.DNS, tcpIn chan<- C.ConnContext, u
} }
// setting address and routing // setting address and routing
err = commons.ConfigInterfaceAddress(tunDevice, tunAddress, mtu, autoRoute) err = commons.ConfigInterfaceAddress(tunDevice, tunAddress, mtu, autoRoute, tunConf.AutoDetectInterface)
if err != nil { if err != nil {
_ = tunDevice.Close() _ = tunDevice.Close()
return nil, fmt.Errorf("setting interface address and routing failed: %w", err) return nil, fmt.Errorf("setting interface address and routing failed: %w", err)