mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-12-27 03:55:41 +08:00
101 lines
2.9 KiB
Go
101 lines
2.9 KiB
Go
package settings
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import (
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"net/netip"
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"strings"
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"github.com/sagernet/sing-box/adapter"
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"github.com/sagernet/sing-tun"
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"github.com/sagernet/sing/common"
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E "github.com/sagernet/sing/common/exceptions"
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F "github.com/sagernet/sing/common/format"
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"github.com/sagernet/sing/common/x/list"
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)
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type systemProxy struct {
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monitor tun.DefaultInterfaceMonitor
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interfaceName string
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element *list.Element[tun.DefaultInterfaceUpdateCallback]
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port uint16
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isMixed bool
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}
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func (p *systemProxy) update() error {
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newInterfaceName := p.monitor.DefaultInterfaceName(netip.IPv4Unspecified())
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if p.interfaceName == newInterfaceName {
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return nil
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}
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if p.interfaceName != "" {
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_ = p.unset()
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}
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p.interfaceName = newInterfaceName
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interfaceDisplayName, err := getInterfaceDisplayName(p.interfaceName)
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if err != nil {
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return err
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}
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if p.isMixed {
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err = common.Exec("networksetup", "-setsocksfirewallproxy", interfaceDisplayName, "127.0.0.1", F.ToString(p.port)).Attach().Run()
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}
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if err == nil {
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err = common.Exec("networksetup", "-setwebproxy", interfaceDisplayName, "127.0.0.1", F.ToString(p.port)).Attach().Run()
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}
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if err == nil {
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err = common.Exec("networksetup", "-setsecurewebproxy", interfaceDisplayName, "127.0.0.1", F.ToString(p.port)).Attach().Run()
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}
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return err
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}
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func (p *systemProxy) unset() error {
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interfaceDisplayName, err := getInterfaceDisplayName(p.interfaceName)
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if err != nil {
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return err
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}
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if p.isMixed {
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err = common.Exec("networksetup", "-setsocksfirewallproxystate", interfaceDisplayName, "off").Attach().Run()
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}
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if err == nil {
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err = common.Exec("networksetup", "-setwebproxystate", interfaceDisplayName, "off").Attach().Run()
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}
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if err == nil {
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err = common.Exec("networksetup", "-setsecurewebproxystate", interfaceDisplayName, "off").Attach().Run()
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}
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return err
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}
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func getInterfaceDisplayName(name string) (string, error) {
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content, err := common.Exec("networksetup", "-listallhardwareports").Read()
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if err != nil {
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return "", err
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}
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for _, deviceSpan := range strings.Split(string(content), "Ethernet Address") {
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if strings.Contains(deviceSpan, "Device: "+name) {
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substr := "Hardware Port: "
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deviceSpan = deviceSpan[strings.Index(deviceSpan, substr)+len(substr):]
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deviceSpan = deviceSpan[:strings.Index(deviceSpan, "\n")]
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return deviceSpan, nil
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}
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}
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return "", E.New(name, " not found in networksetup -listallhardwareports")
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}
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func SetSystemProxy(router adapter.Router, port uint16, isMixed bool) (func() error, error) {
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interfaceMonitor := router.InterfaceMonitor()
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if interfaceMonitor == nil {
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return nil, E.New("missing interface monitor")
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}
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proxy := &systemProxy{
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monitor: interfaceMonitor,
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port: port,
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isMixed: isMixed,
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}
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err := proxy.update()
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if err != nil {
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return nil, err
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}
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proxy.element = interfaceMonitor.RegisterCallback(proxy.update)
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return func() error {
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interfaceMonitor.UnregisterCallback(proxy.element)
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return proxy.unset()
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}, nil
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}
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