124 lines
3.4 KiB
Go
124 lines
3.4 KiB
Go
package settings
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import (
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"context"
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"net/netip"
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"strconv"
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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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E "github.com/sagernet/sing/common/exceptions"
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M "github.com/sagernet/sing/common/metadata"
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"github.com/sagernet/sing/common/shell"
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"github.com/sagernet/sing/common/x/list"
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)
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type DarwinSystemProxy 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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serverAddr M.Socksaddr
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supportSOCKS bool
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isEnabled bool
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}
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func NewSystemProxy(ctx context.Context, serverAddr M.Socksaddr, supportSOCKS bool) (*DarwinSystemProxy, error) {
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interfaceMonitor := adapter.RouterFromContext(ctx).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 := &DarwinSystemProxy{
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monitor: interfaceMonitor,
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serverAddr: serverAddr,
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supportSOCKS: supportSOCKS,
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}
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proxy.element = interfaceMonitor.RegisterCallback(proxy.update)
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return proxy, nil
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}
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func (p *DarwinSystemProxy) IsEnabled() bool {
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return p.isEnabled
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}
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func (p *DarwinSystemProxy) Enable() error {
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return p.update0()
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}
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func (p *DarwinSystemProxy) Disable() 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.supportSOCKS {
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err = shell.Exec("networksetup", "-setsocksfirewallproxystate", interfaceDisplayName, "off").Attach().Run()
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}
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if err == nil {
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err = shell.Exec("networksetup", "-setwebproxystate", interfaceDisplayName, "off").Attach().Run()
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}
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if err == nil {
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err = shell.Exec("networksetup", "-setsecurewebproxystate", interfaceDisplayName, "off").Attach().Run()
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}
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if err == nil {
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p.isEnabled = false
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}
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return err
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}
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func (p *DarwinSystemProxy) update(event int) {
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if event&tun.EventInterfaceUpdate == 0 {
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return
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}
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if !p.isEnabled {
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return
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}
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_ = p.update0()
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}
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func (p *DarwinSystemProxy) update0() 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.Disable()
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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.supportSOCKS {
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err = shell.Exec("networksetup", "-setsocksfirewallproxy", interfaceDisplayName, p.serverAddr.AddrString(), strconv.Itoa(int(p.serverAddr.Port))).Attach().Run()
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}
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if err != nil {
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return err
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}
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err = shell.Exec("networksetup", "-setwebproxy", interfaceDisplayName, p.serverAddr.AddrString(), strconv.Itoa(int(p.serverAddr.Port))).Attach().Run()
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if err != nil {
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return err
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}
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err = shell.Exec("networksetup", "-setsecurewebproxy", interfaceDisplayName, p.serverAddr.AddrString(), strconv.Itoa(int(p.serverAddr.Port))).Attach().Run()
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if err != nil {
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return err
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}
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p.isEnabled = true
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return nil
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}
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func getInterfaceDisplayName(name string) (string, error) {
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content, err := shell.Exec("networksetup", "-listallhardwareports").ReadOutput()
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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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