mirror of
https://github.com/netbirdio/netbird.git
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43 lines
1.0 KiB
Go
43 lines
1.0 KiB
Go
package manager
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import (
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"net/netip"
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"github.com/netbirdio/netbird/route"
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)
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type RouterPair struct {
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ID route.ID
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Source Network
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Destination Network
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Masquerade bool
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Inverse bool
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// Dynamic indicates the route is domain-based. NAT rules for dynamic
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// routes are duplicated to the v6 table so that resolved AAAA records
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// are masqueraded correctly.
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Dynamic bool
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}
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func GetInversePair(pair RouterPair) RouterPair {
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return RouterPair{
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ID: pair.ID,
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// invert Source/Destination
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Source: pair.Destination,
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Destination: pair.Source,
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Masquerade: pair.Masquerade,
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Inverse: true,
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Dynamic: pair.Dynamic,
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}
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}
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// ToV6NatPair creates a v6 counterpart of a v4 NAT pair with `::/0` source
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// and, for prefix destinations, `::/0` destination.
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func ToV6NatPair(pair RouterPair) RouterPair {
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v6 := pair
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v6.Source = Network{Prefix: netip.PrefixFrom(netip.IPv6Unspecified(), 0)}
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if v6.Destination.IsPrefix() {
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v6.Destination = Network{Prefix: netip.PrefixFrom(netip.IPv6Unspecified(), 0)}
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}
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return v6
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}
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