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Mike O'Driscoll 2025-04-02 13:29:41 -04:00
parent 16d67ca9f9
commit 48a12a52e5
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3 changed files with 14 additions and 3 deletions
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4
cmd/derper/derper.go
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@ -510,7 +510,9 @@ func rateLimitedListenAndServeTLS(srv *http.Server, lc *net.ListenConfig) error
return err
}
rln := newRateLimitedListener(ln, rate.Limit(*acceptConnLimit), *acceptConnBurst)
expvar.Publish("tls_listener", rln.ExpVar())
if expvar.Get("tls_listener") == nil {
expvar.Publish("tls_listener", rln.ExpVar())
}
defer rln.Close()
return srv.ServeTLS(rln, "", "")
}

8
derp/derp_server.go
View File

@ -992,6 +992,7 @@ func (c *sclient) run(ctx context.Context) error {
c.startStatsLoop(sendCtx)
fmt.Printf("Mike %s : %v\n", c.nc.LocalAddr().String(), c.canMesh)
for {
ft, fl, err := readFrameHeader(c.br)
c.debugLogf("read frame type %d len %d err %v", ft, fl, err)
@ -1007,6 +1008,8 @@ func (c *sclient) run(ctx context.Context) error {
return fmt.Errorf("client %s: readFrameHeader: %w", c.key.ShortString(), err)
}
c.s.noteClientActivity(c)
fmt.Printf("0x%X\n", ft)
switch ft {
case frameNotePreferred:
err = c.handleFrameNotePreferred(ft, fl)
@ -1162,6 +1165,9 @@ func (c *sclient) handleFrameForwardPacket(ft frameType, fl uint32) error {
// handleFrameSendPacket reads a "send packet" frame from the client.
func (c *sclient) handleFrameSendPacket(ft frameType, fl uint32) error {
if !c.canMesh {
return fmt.Errorf("insufficient permissions")
}
s := c.s
dstKey, contents, err := s.recvPacket(c.br, fl)
@ -1352,6 +1358,8 @@ func (s *Server) usingMeshPort(port string) bool {
return true
}
fmt.Printf("Mike %s/%s\n", s.meshPort, port)
return s.meshPort == port
}

5
prober/derp.go
View File

@ -291,6 +291,7 @@ func (d *derpProber) probeMesh(from, to string) ProbeClass {
}
dm := d.lastDERPMap
fromN.DERPPort = 8888
return derpProbeNodePair(ctx, dm, fromN, toN, d.meshKey)
},
Class: "derp_mesh",
@ -720,12 +721,12 @@ func derpProbeBandwidth(ctx context.Context, dm *tailcfg.DERPMap, from, to *tail
// derpProbeNodePair sends a small packet between two local DERP clients
// connected to two DERP servers.
func derpProbeNodePair(ctx context.Context, dm *tailcfg.DERPMap, from, to *tailcfg.DERPNode, meshKey string) (err error) {
fromc, err := newConn(ctx, dm, from, true, meshKey)
fromc, err := newConn(ctx, dm, from, !to.InsecureForTests, meshKey)
if err != nil {
return err
}
defer fromc.Close()
toc, err := newConn(ctx, dm, to, true, meshKey)
toc, err := newConn(ctx, dm, to, !from.InsecureForTests, meshKey)
if err != nil {
return err
}