From 585cb5e09de7c0480b605da60270b5e746958d3b Mon Sep 17 00:00:00 2001
From: svefnz <svefnz@gmail.com>
Date: Wed, 8 Jul 2026 01:37:42 +0800
Subject: [PATCH] feat: decouple reality handshake destination from fallback
 destination to support external SNIs on 443

---
 src/core.sh | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/src/core.sh b/src/core.sh
index 84f3bad..fdfb4b3 100644
--- a/src/core.sh
+++ b/src/core.sh
@@ -1160,7 +1160,7 @@ get() {
         get file $2
         if [[ $is_config_file ]]; then
             is_json_str=$(cat $is_conf_dir/"$is_config_file" | sed s#//.*##)
-            is_json_data=$(jq '(.inbounds[0]|.type,.listen_port,(.users[0]|.uuid,.password,.username),.method,.password,.override_port,.override_address,(.transport|.type,.path,.headers.host),(.tls|.server_name,.reality.private_key,.reality.handshake.server_port)),(.outbounds[1].tag)' <<<$is_json_str)
+            is_json_data=$(jq '(.inbounds[0]|.type,.listen_port,(.users[0]|.uuid,.password,.username),.method,.password,.override_port,.override_address,(.transport|.type,.path,.headers.host),(.tls|.server_name,.reality.private_key,.fallback.server_port)),(.outbounds[1].tag)' <<<$is_json_str)
             [[ $? != 0 ]] && err "无法读取此文件: $is_config_file"
             is_up_var_set=(null is_protocol port uuid password username ss_method ss_password door_port door_addr net_type path host is_servername is_private_key is_reality_fallback_port is_public_key)
             [[ $is_debug ]] && msg "\n------------- debug: $is_config_file -------------"
@@ -1297,22 +1297,15 @@ get() {
             ;;
         *reality*)
             net=reality
-            [[ $is_reality_fallback ]] && {
-                # If fallback is enabled, we MUST use their Caddy domain
-                [[ ! $is_servername || $is_servername == $is_random_servername ]] && {
-                    msg "\n由于启用了 Caddy 回落，REALITY 必须借用你自己 Caddy 网站的域名和证书才能完成握手。"
-                    ask string is_servername "请输入你在 Caddy 中配置的网站域名:"
-                }
-            }
             [[ ! $is_servername ]] && is_servername=$is_random_servername
             [[ ! $is_private_key ]] && get_pbk
             local handshake_server=$is_servername
             local handshake_port=443
+            local fallback_json=""
             [[ $is_reality_fallback ]] && {
-                handshake_server="127.0.0.1"
-                handshake_port=4443
+                fallback_json=",fallback:{server:\"127.0.0.1\",server_port:4443}"
             }
-            is_json_add="tls:{enabled:true,server_name:\"$is_servername\",reality:{enabled:true,handshake:{server:\"$handshake_server\",server_port:$handshake_port},private_key:\"$is_private_key\",short_id:[\"\"]}}"
+            is_json_add="tls:{enabled:true,server_name:\"$is_servername\",reality:{enabled:true,handshake:{server:\"$handshake_server\",server_port:$handshake_port},private_key:\"$is_private_key\",short_id:[\"\"]}$fallback_json}"
             [[ $is_lower =~ "http" ]] && {
                 is_json_add="$is_json_add,transport:{type:\"http\"}"
             } || {