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controlclient, tailcfg: deliver DERP addresses in a separate field

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We still include them directly in the controlclient network map
just where we have been. Client plumbing we can do later.

Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
This commit is contained in:
David Crawshaw
2020-03-02 16:40:42 -05:00
committed by David Crawshaw
parent ca11e3804b
commit 61529ac459
3 changed files with 13 additions and 7 deletions
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17
control/controlclient/netmap.go
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@@ -238,19 +238,24 @@ func (nm *NetworkMap) _WireGuardConfig(uflags int, dnsOverride []wgcfg.IP, allEn
}
fmt.Fprintf(buf, "[Peer]\n")
fmt.Fprintf(buf, "PublicKey = %s\n", base64.StdEncoding.EncodeToString(peer.Key[:]))
if len(peer.Endpoints) > 0 {
if len(peer.Endpoints) == 1 {
fmt.Fprintf(buf, "Endpoint = %s", peer.Endpoints[0])
var endpoints []string
if peer.DERP != "" {
endpoints = append(endpoints, peer.DERP)
}
endpoints = append(endpoints, peer.Endpoints...)
if len(endpoints) > 0 {
if len(endpoints) == 1 {
fmt.Fprintf(buf, "Endpoint = %s", endpoints[0])
} else if allEndpoints {
// TODO(apenwarr): This mode is incompatible.
// Normal wireguard clients don't know how to
// parse it (yet?)
fmt.Fprintf(buf, "Endpoint = %s",
strings.Join(peer.Endpoints, ","))
strings.Join(endpoints, ","))
} else {
fmt.Fprintf(buf, "Endpoint = %s # other endpoints: %s",
peer.Endpoints[0],
strings.Join(peer.Endpoints[1:], ", "))
endpoints[0],
strings.Join(endpoints[1:], ", "))
}
buf.WriteByte('\n')
}