mirror of
https://github.com/net-byte/go-gateway.git
synced 2024-04-21 12:21:40 +00:00
27 lines
556 B
Go
27 lines
556 B
Go
//go:build linux
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// +build linux
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package gateway
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import (
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"net"
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)
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func discoverGatewayOSSpecificIPv4() (ip net.IP, err error) {
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ipstr := execCmd("sh", "-c", "route -n | grep 'UG[ \t]' | awk 'NR==1{print $2}'")
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ipv4 := net.ParseIP(ipstr)
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if ipv4 == nil {
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return nil, errCantParse
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}
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return ipv4, nil
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}
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func discoverGatewayOSSpecificIPv6() (ip net.IP, err error) {
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ipstr := execCmd("sh", "-c", "route -6 -n | grep 'UG[ \t]' | awk 'NR==1{print $2}'")
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ipv6 := net.ParseIP(ipstr)
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if ipv6 == nil {
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return nil, errCantParse
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}
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return ipv6, nil
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}
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