From 7c23fa2bd4d6a1000e15aaa3ed5eae93b83ff30d Mon Sep 17 00:00:00 2001
From: Skyxim <noreply@skyxim.com>
Date: Sat, 16 Apr 2022 08:45:18 +0800
Subject: [PATCH] fix: sniffer npe

---
 config/config.go         | 3 ++-
 hub/executor/executor.go | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/config/config.go b/config/config.go
index 18099a27..c91e29aa 100644
--- a/config/config.go
+++ b/config/config.go
@@ -124,7 +124,7 @@ type Sniffer struct {
 	Enable   bool
 	Force    bool
 	Sniffers []C.SnifferType
-	Reverses trie.DomainTrie[struct{}]
+	Reverses *trie.DomainTrie[struct{}]
 }
 
 // Experimental config
@@ -928,6 +928,7 @@ func parseSniffer(snifferRaw SnifferRaw) (*Sniffer, error) {
 		sniffer.Sniffers = append(sniffer.Sniffers, st)
 	}
 
+	sniffer.Reverses = trie.New[struct{}]()
 	for _, domain := range snifferRaw.Reverse {
 		err := sniffer.Reverses.Insert(domain, struct{}{})
 		if err != nil {
diff --git a/hub/executor/executor.go b/hub/executor/executor.go
index bae869df..e5cd6ba6 100644
--- a/hub/executor/executor.go
+++ b/hub/executor/executor.go
@@ -222,7 +222,7 @@ func updateTun(tun *config.Tun, dns *config.DNS) {
 
 func updateSniffer(sniffer *config.Sniffer) {
 	if sniffer.Enable {
-		dispatcher, err := SNI.NewSnifferDispatcher(sniffer.Sniffers, sniffer.Force, &sniffer.Reverses)
+		dispatcher, err := SNI.NewSnifferDispatcher(sniffer.Sniffers, sniffer.Force, sniffer.Reverses)
 		if err != nil {
 			log.Warnln("initial sniffer failed, err:%v", err)
 		}