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39ba1f7952
* Proxy: Implement tun raw network interface inbound support for Linux * Proxy: Tun. Include "android" as build condition for build of tun_default implementation * Proxy: Tun. Add .Close() cleanup calls to Handler.Init() where needed * Proxy: Add Tun for Android * Proxy: Tun. Implement Windows support --------- Co-authored-by: yuhan6665 <1588741+yuhan6665@users.noreply.github.com>
59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
//go:build android
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package tun
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import (
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"context"
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"strconv"
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"github.com/xtls/xray-core/common/errors"
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"github.com/xtls/xray-core/common/platform"
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"golang.org/x/sys/unix"
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"gvisor.dev/gvisor/pkg/tcpip/link/fdbased"
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"gvisor.dev/gvisor/pkg/tcpip/stack"
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)
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type AndroidTun struct {
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tunFd int
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options TunOptions
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}
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// DefaultTun implements Tun
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var _ Tun = (*AndroidTun)(nil)
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// DefaultTun implements GVisorTun
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var _ GVisorTun = (*AndroidTun)(nil)
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// NewTun builds new tun interface handler
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func NewTun(options TunOptions) (Tun, error) {
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fd, err := strconv.Atoi(platform.NewEnvFlag(platform.TunFdKey).GetValue(func() string { return "0" }))
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errors.LogInfo(context.Background(), "read Android Tun Fd ", fd, err)
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err = unix.SetNonblock(fd, true)
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if err != nil {
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_ = unix.Close(fd)
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return nil, err
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}
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return &AndroidTun{
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tunFd: fd,
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options: options,
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}, nil
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}
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func (t *AndroidTun) Start() error {
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return nil
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}
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func (t *AndroidTun) Close() error {
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return nil
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}
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func (t *AndroidTun) newEndpoint() (stack.LinkEndpoint, error) {
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return fdbased.New(&fdbased.Options{
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FDs: []int{t.tunFd},
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MTU: t.options.MTU,
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RXChecksumOffload: true,
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})
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}
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