feat: Add support for legacy markers in ParseManagedBlock to ensure backward compatibility

2026-03-04 18:05:54 -05:00
parent 6b07c9e2e1
commit 25aa16be14
3 changed files with 141 additions and 2 deletions
@@ -11,6 +11,13 @@ import (
 const (
 	StartMarker = "# ekDNSHelper <<-> START CONFIG"
 	EndMarker   = "# ekDNSHelper <->> END CONFIG"
+
+	// Legacy markers from the pre-rename "DNSHelper" era.
+	// ParseManagedBlock recognises these so that hosts files written by
+	// the old binary are detected, parsed, and silently upgraded to the
+	// current markers on the next write.
+	LegacyStartMarker = "# DNSHelper <<-> START CONFIG"
+	LegacyEndMarker   = "# DNSHelper <->> END CONFIG"
 )

 // DNSEntry represents a single IP-to-hostname mapping.