mirror of
https://github.com/MetaCubeX/mihomo.git
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36 lines
739 B
Go
36 lines
739 B
Go
package dialer
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import (
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"net"
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"syscall"
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)
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type controlFn = func(network, address string, c syscall.RawConn) error
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func bindControl(ifaceName string) controlFn {
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return func(network, address string, c syscall.RawConn) error {
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ipStr, _, err := net.SplitHostPort(address)
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if err == nil {
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ip := net.ParseIP(ipStr)
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if ip != nil && !ip.IsGlobalUnicast() {
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return nil
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}
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}
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return c.Control(func(fd uintptr) {
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syscall.BindToDevice(int(fd), ifaceName)
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})
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}
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}
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func bindIfaceToDialer(dialer *net.Dialer, ifaceName string) error {
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dialer.Control = bindControl(ifaceName)
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return nil
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}
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func bindIfaceToListenConfig(lc *net.ListenConfig, ifaceName string) error {
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lc.Control = bindControl(ifaceName)
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return nil
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}
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