Don't connect if DERP is empty

kylecarbs · kylecarbs · commit db7e96eb027d · 2022-10-17T00:30:43.000Z
diff --git a/tailnet/conn.go b/tailnet/conn.go
@@ -344,6 +344,10 @@ func (c *Conn) UpdateNodes(nodes []*Node) error {
 			// reason. TODO: @kylecarbs debug this!
 			KeepAlive: ok && peerStatus.Active,
 		}
+		// If no preferred DERP is provided, don't set an IP!
+		if node.PreferredDERP == 0 {
+			peerNode.DERP = ""
+		}
 		if c.blockEndpoints {
 			peerNode.Endpoints = nil
 		}

Original file line number	Diff line number	Diff line change
`@@ -344,6 +344,10 @@ func (c Conn) UpdateNodes(nodes []Node) error {`
`344`	`344`	`// reason. TODO: @kylecarbs debug this!`
`345`	`345`	`KeepAlive: ok && peerStatus.Active,`
`346`	`346`	`}`
	`347`	`+ // If no preferred DERP is provided, don't set an IP!`
	`348`	`+ if node.PreferredDERP == 0 {`
	`349`	`+ peerNode.DERP = ""`
	`350`	`+ }`
`347`	`351`	`if c.blockEndpoints {`
`348`	`352`	`peerNode.Endpoints = nil`
`349`	`353`	`}`