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tstest/integration/testcontrol: add ipv6 support (#2394)

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Split from https://github.com/tailscale/tailscale/pull/2376.

This adds IPv6 support to testcontrol so each member of the tailscale
network gets an IPv6 address too.

Signed-off-by: Christine Dodrill <xe@tailscale.com>
This commit is contained in:
Christine Dodrill
2021-07-13 13:10:08 -04:00
committed by GitHub
parent 61e8fd4698
commit 1f2a877c61
2 changed files with 31 additions and 2 deletions
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13
tstest/integration/testcontrol/testcontrol.go
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@@ -28,6 +28,7 @@ import (
"github.com/klauspost/compress/zstd"
"golang.org/x/crypto/nacl/box"
"inet.af/netaddr"
"tailscale.com/net/tsaddr"
"tailscale.com/smallzstd"
"tailscale.com/tailcfg"
"tailscale.com/types/logger"
@@ -406,8 +407,12 @@ func (s *Server) serveRegister(w http.ResponseWriter, r *http.Request, mkey tail
machineAuthorized := true // TODO: add Server.RequireMachineAuth
v4Prefix := netaddr.IPPrefixFrom(netaddr.IPv4(100, 64, uint8(tailcfg.NodeID(user.ID)>>8), uint8(tailcfg.NodeID(user.ID))), 32)
v6Prefix := netaddr.IPPrefixFrom(tsaddr.Tailscale4To6(v4Prefix.IP()), 128)
allowedIPs := []netaddr.IPPrefix{
netaddr.MustParseIPPrefix(fmt.Sprintf("100.64.%d.%d/32", uint8(tailcfg.NodeID(user.ID)>>8), uint8(tailcfg.NodeID(user.ID)))),
v4Prefix,
v6Prefix,
}
s.nodes[req.NodeKey] = &tailcfg.Node{
@@ -638,8 +643,12 @@ func (s *Server) MapResponse(req *tailcfg.MapRequest) (res *tailcfg.MapResponse,
}
}
v4Prefix := netaddr.IPPrefixFrom(netaddr.IPv4(100, 64, uint8(tailcfg.NodeID(user.ID)>>8), uint8(tailcfg.NodeID(user.ID))), 32)
v6Prefix := netaddr.IPPrefixFrom(tsaddr.Tailscale4To6(v4Prefix.IP()), 128)
res.Node.Addresses = []netaddr.IPPrefix{
netaddr.MustParseIPPrefix(fmt.Sprintf("100.64.%d.%d/32", uint8(node.ID>>8), uint8(node.ID))),
v4Prefix,
v6Prefix,
}
res.Node.AllowedIPs = res.Node.Addresses