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d35e2400b2
Allows to bind to an address even if it is not actually (yet or ever) configured. Fixes #238 Rationale: https://www.freedesktop.org/wiki/Software/systemd/NetworkTarget/#whatdoesthismeanformeadeveloper
26 lines
568 B
Go
26 lines
568 B
Go
// +build freebsd
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package tcpsock
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import (
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"fmt"
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"syscall"
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)
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func freeBind(network, address string, c syscall.RawConn) error {
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var err, sockerr error
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err = c.Control(func(fd uintptr) {
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if network == "tcp6" {
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sockerr = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_IPV6, syscall.IPV6_BINDANY, 1)
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} else if network == "tcp4" {
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sockerr = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_IP, syscall.IP_BINDANY, 1)
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} else {
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sockerr = fmt.Errorf("expecting 'tcp6' or 'tcp4', got %q", network)
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}
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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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return sockerr
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}
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