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matcher: Add func for comparing Dests and TheInternet

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Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
This commit is contained in:
Kristoffer Dalby
2025-11-01 14:27:59 +01:00
committed by Kristoffer Dalby
parent bd9cf42b96
commit d9c3eaf8c8
1 changed files with 10 additions and 0 deletions
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10
hscontrol/policy/matcher/matcher.go
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@@ -7,6 +7,7 @@ import (
"github.com/juanfont/headscale/hscontrol/util"
"go4.org/netipx"
"tailscale.com/net/tsaddr"
"tailscale.com/tailcfg"
)
@@ -91,3 +92,12 @@ func (m *Match) SrcsOverlapsPrefixes(prefixes ...netip.Prefix) bool {
func (m *Match) DestsOverlapsPrefixes(prefixes ...netip.Prefix) bool {
return slices.ContainsFunc(prefixes, m.dests.OverlapsPrefix)
}
// DestsIsTheInternet reports if the destination is equal to "the internet"
// which is a IPSet that represents "autogroup:internet" and is special
// cased for exit nodes.
func (m Match) DestsIsTheInternet() bool {
return m.dests.Equal(util.TheInternet()) ||
m.dests.ContainsPrefix(tsaddr.AllIPv4()) ||
m.dests.ContainsPrefix(tsaddr.AllIPv6())
}