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21 lines
522 B
Go
21 lines
522 B
Go
package control
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import (
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"syscall"
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"golang.org/x/sys/unix"
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)
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func bindToInterface(conn syscall.RawConn, network string, address string, interfaceName string, interfaceIndex int) error {
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if interfaceIndex == -1 {
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return nil
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}
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return Raw(conn, func(fd uintptr) error {
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switch network {
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case "tcp6", "udp6":
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return unix.SetsockoptInt(int(fd), unix.IPPROTO_IPV6, unix.IPV6_BOUND_IF, interfaceIndex)
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default:
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return unix.SetsockoptInt(int(fd), unix.IPPROTO_IP, unix.IP_BOUND_IF, interfaceIndex)
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}
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})
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}
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