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tailcfg: add DNS address list for IsWireGuardOnly nodes

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Tailscale exit nodes provide DNS service over the peer API, however
IsWireGuardOnly nodes do not have a peer API, and instead need client
DNS parameters passed in their node description.

For Mullvad nodes this will contain the in network 10.64.0.1 address.

Updates #9377

Signed-off-by: James Tucker <james@tailscale.com>
This commit is contained in:
James Tucker
2023-09-14 10:04:31 -07:00
committed by James Tucker
parent 335a5aaf9a
commit e7727db553
9 changed files with 160 additions and 2 deletions
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6
tailcfg/tailcfg_view.go
View File

@@ -180,7 +180,10 @@ func (v NodeView) SelfNodeV4MasqAddrForThisPeer() *netip.Addr {
return &x
}
func (v NodeView) IsWireGuardOnly() bool { return v.ж.IsWireGuardOnly }
func (v NodeView) IsWireGuardOnly() bool { return v.ж.IsWireGuardOnly }
func (v NodeView) ExitNodeDNSResolvers() views.SliceView[*dnstype.Resolver, dnstype.ResolverView] {
return views.SliceOfViews[*dnstype.Resolver, dnstype.ResolverView](v.ж.ExitNodeDNSResolvers)
}
func (v NodeView) Equal(v2 NodeView) bool { return v.ж.Equal(v2.ж) }
// A compilation failure here means this code must be regenerated, with the command at the top of this file.
@@ -216,6 +219,7 @@ var _NodeViewNeedsRegeneration = Node(struct {
Expired bool
SelfNodeV4MasqAddrForThisPeer *netip.Addr
IsWireGuardOnly bool
ExitNodeDNSResolvers []*dnstype.Resolver
}{})
// View returns a readonly view of Hostinfo.