derp/derpserver: split off derp.Server out of derp into its own package

This exports a number of things from the derp (generic + client) package
to be used by the new derpserver package, as now used by cmd/derper.

And then enough other misc changes to lock in that cmd/tailscaled can
be configured to not bring in tailscale.com/client/local. (The webclient
in particular, even when disabled, was bringing it in, so that's now fixed)

Fixes #17257

Change-Id: I88b6c7958643fb54f386dd900bddf73d2d4d96d5
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2025-09-23 17:07:48 -07:00
committed by Brad Fitzpatrick
parent df747f1c1b
commit 21dc5f4e21
35 changed files with 1442 additions and 1319 deletions

View File

@@ -11,14 +11,14 @@ import (
"strings"
"github.com/coder/websocket"
"tailscale.com/derp"
"tailscale.com/derp/derpserver"
"tailscale.com/net/wsconn"
)
var counterWebSocketAccepts = expvar.NewInt("derp_websocket_accepts")
// addWebSocketSupport returns a Handle wrapping base that adds WebSocket server support.
func addWebSocketSupport(s *derp.Server, base http.Handler) http.Handler {
func addWebSocketSupport(s *derpserver.Server, base http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
up := strings.ToLower(r.Header.Get("Upgrade"))