From 60ee04674d4252bf28015e5091458956b5253081 Mon Sep 17 00:00:00 2001
From: bravechamp <radular@protonmail.com>
Date: Sun, 13 Mar 2022 21:55:36 +0000
Subject: [PATCH] Normalize nickname before saving to database

---
 machine.go | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/machine.go b/machine.go
index b2581ab0..e0b9130b 100644
--- a/machine.go
+++ b/machine.go
@@ -370,7 +370,21 @@ func (h *Headscale) ExpireMachine(machine *Machine) {
 
 // RenameMachine takes a Machine struct and sets the expire field to now.
 func (h *Headscale) RenameMachine(machine *Machine, newName string) {
-	machine.Nickname = newName
+	newNickname, err := NormalizeToFQDNRules(
+		newName,
+		h.cfg.OIDC.StripEmaildomain,
+	)
+	if err != nil {
+		log.Error().
+			Caller().
+			Str("func", "RenameMachine").
+			Str("machine", machine.Name).
+			Str("newName", newName).
+			Err(err)
+
+		return
+	}
+	machine.Nickname = newNickname
 
 	h.setLastStateChangeToNow(machine.Namespace.Name)