From 98daf13a87daea9c7cbff8d922df680be0bda494 Mon Sep 17 00:00:00 2001
From: actions <action@github.com>
Date: Sun, 9 Jun 2024 02:00:07 +0800
Subject: [PATCH] luci-app-passwall: sync upstream

last commit: https://github.com/xiaorouji/openwrt-passwall/commit/a7f56b4070fe86af011e56397efb26ccebc4e867
---
 .../luasrc/model/cbi/passwall/client/global.lua       |  9 ++++++++-
 luci-app-passwall/po/zh-cn/passwall.po                |  9 +++++++++
 luci-app-passwall/root/usr/share/passwall/app.sh      |  5 +++--
 luci-app-passwall/root/usr/share/passwall/iptables.sh | 10 ++++++++++
 luci-app-passwall/root/usr/share/passwall/nftables.sh | 11 +++++++++++
 patch-luci-app-passwall.patch                         |  2 +-
 6 files changed, 42 insertions(+), 4 deletions(-)

diff --git a/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua b/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua
index 5590dd9cb..dcd414b01 100644
--- a/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua
+++ b/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua
@@ -408,7 +408,14 @@ o.description = "<ul>"
 		.. "</ul>"
 o:depends({dns_shunt = "dnsmasq", tcp_proxy_mode = "proxy", chn_list = "direct"})
 
-o = s:taboption("DNS", Button, "clear_ipset", translate("Clear IPSET"), translate("Try this feature if the rule modification does not take effect."))
+o = s:taboption("DNS", Flag, "dns_redirect", "DNS " .. translate("Redirect"), translate("Force Router DNS server to all local devices."))
+o.default = "0"
+
+if (uci:get(appname, "@global_forwarding[0]", "use_nft") or "0") == "1" then
+	o = s:taboption("DNS", Button, "clear_ipset", translate("Clear NFTSET"), translate("Try this feature if the rule modification does not take effect."))
+else
+	o = s:taboption("DNS", Button, "clear_ipset", translate("Clear IPSET"), translate("Try this feature if the rule modification does not take effect."))
+end
 o.inputstyle = "remove"
 function o.write(e, e)
 	luci.sys.call('[ -n "$(nft list sets 2>/dev/null | grep \"passwall_\")" ] && sh /usr/share/passwall/nftables.sh flush_nftset_reload || sh /usr/share/passwall/iptables.sh flush_ipset_reload > /dev/null 2>&1 &')
diff --git a/luci-app-passwall/po/zh-cn/passwall.po b/luci-app-passwall/po/zh-cn/passwall.po
index 4cd5cdfe5..f3d5894c4 100644
--- a/luci-app-passwall/po/zh-cn/passwall.po
+++ b/luci-app-passwall/po/zh-cn/passwall.po
@@ -187,9 +187,18 @@ msgstr "实验性功能。"
 msgid "Use FakeDNS work in the shunt domain that proxy."
 msgstr "需要代理的分流规则域名使用 FakeDNS。"
 
+msgid "Redirect"
+msgstr "重定向"
+
+msgid "Force Router DNS server to all local devices."
+msgstr "强制所有本地设备使用路由器 DNS。"
+
 msgid "Clear IPSET"
 msgstr "清空 IPSET"
 
+msgid "Clear NFTSET"
+msgstr "清空 NFTSET"
+
 msgid "Try this feature if the rule modification does not take effect."
 msgstr "如果修改规则后没有生效，请尝试此功能。"
 
diff --git a/luci-app-passwall/root/usr/share/passwall/app.sh b/luci-app-passwall/root/usr/share/passwall/app.sh
index 9b6319de5..1d7f5e2c0 100755
--- a/luci-app-passwall/root/usr/share/passwall/app.sh
+++ b/luci-app-passwall/root/usr/share/passwall/app.sh
@@ -204,14 +204,15 @@ check_port_exists() {
 }
 
 check_depends() {
+	local depends
 	local tables=${1}
 	if [ "$tables" == "iptables" ]; then
 		for depends in "iptables-mod-tproxy" "iptables-mod-socket" "iptables-mod-iprange" "iptables-mod-conntrack-extra" "kmod-ipt-nat"; do
-			[ -z "$(opkg status ${depends} 2>/dev/null | grep 'Status' | awk -F ': ' '{print $2}' 2>/dev/null)" ] && echolog "$tables透明代理基础依赖 $depends 未安装..."
+			[ -s "/usr/lib/opkg/info/${depends}.control" ] || echolog "$tables透明代理基础依赖 $depends 未安装..."
 		done
 	else
 		for depends in "kmod-nft-socket" "kmod-nft-tproxy" "kmod-nft-nat"; do
-			[ -z "$(opkg status ${depends} 2>/dev/null | grep 'Status' | awk -F ': ' '{print $2}' 2>/dev/null)" ] && echolog "$tables透明代理基础依赖 $depends 未安装..."
+			[ -s "/usr/lib/opkg/info/${depends}.control" ] || echolog "$tables透明代理基础依赖 $depends 未安装..."
 		done
 	fi
 }
diff --git a/luci-app-passwall/root/usr/share/passwall/iptables.sh b/luci-app-passwall/root/usr/share/passwall/iptables.sh
index 2a7e94d89..07dcc3079 100755
--- a/luci-app-passwall/root/usr/share/passwall/iptables.sh
+++ b/luci-app-passwall/root/usr/share/passwall/iptables.sh
@@ -1108,6 +1108,16 @@ add_firewall_rule() {
 		
 		$ip6t_m -I OUTPUT $(comment "mangle-OUTPUT-PSW") -o lo -j RETURN
 		insert_rule_before "$ip6t_m" "OUTPUT" "mwan3" "$(comment mangle-OUTPUT-PSW) -m mark --mark 1 -j RETURN"
+
+		[ $(config_t_get global dns_redirect) == "1" ] && {
+			$ipt_m -A PSW -p udp --dport 53 -j RETURN	
+			$ip6t_m -A PSW -p udp --dport 53 -j RETURN
+			$ipt_n -I PREROUTING -p udp --dport 53 -j REDIRECT --to-ports 53 -m comment --comment "PSW_DNS_Hijack" 2>/dev/null
+			$ipt_n -I PREROUTING -p tcp --dport 53 -j REDIRECT --to-ports 53 -m comment --comment "PSW_DNS_Hijack" 2>/dev/null
+			$ip6t_n -I PREROUTING -p udp --dport 53 -j REDIRECT --to-ports 53 -m comment --comment "PSW_DNS_Hijack" 2>/dev/null
+			$ip6t_n -I PREROUTING -p tcp --dport 53 -j REDIRECT --to-ports 53 -m comment --comment "PSW_DNS_Hijack" 2>/dev/null
+		}
+
 	}
 
 	#  加载ACLS
diff --git a/luci-app-passwall/root/usr/share/passwall/nftables.sh b/luci-app-passwall/root/usr/share/passwall/nftables.sh
index 0bff3d45f..f8f340142 100755
--- a/luci-app-passwall/root/usr/share/passwall/nftables.sh
+++ b/luci-app-passwall/root/usr/share/passwall/nftables.sh
@@ -1149,6 +1149,17 @@ add_firewall_rule() {
 
 		nft "add rule inet fw4 mangle_output oif lo counter return comment \"PSW_OUTPUT_MANGLE\""
 		nft "add rule inet fw4 mangle_output meta mark 1 counter return comment \"PSW_OUTPUT_MANGLE\""
+
+		[ $(config_t_get global dns_redirect) == "1" ] && {
+			nft "add rule inet fw4 PSW_MANGLE ip protocol udp udp dport 53 counter return"	
+			nft "add rule inet fw4 PSW_MANGLE_V6 meta l4proto udp udp dport 53 counter return"
+			nft insert rule inet fw4 dstnat position 0 tcp dport 53 counter redirect to :53 comment \"PSW_DNS_Hijack\" 2>/dev/null
+			nft insert rule inet fw4 dstnat position 0 udp dport 53 counter redirect to :53 comment \"PSW_DNS_Hijack\" 2>/dev/null
+			nft insert rule inet fw4 dstnat position 0 meta nfproto {ipv6} tcp dport 53 counter redirect to :53 comment \"PSW_DNS_Hijack\" 2>/dev/null
+			nft insert rule inet fw4 dstnat position 0 meta nfproto {ipv6} udp dport 53 counter redirect to :53 comment \"PSW_DNS_Hijack\" 2>/dev/null
+			uci -q set dhcp.@dnsmasq[0].dns_redirect='0' 2>/dev/null
+			uci commit dhcp 2>/dev/null
+		}
 	}
 
 	#  加载ACLS
diff --git a/patch-luci-app-passwall.patch b/patch-luci-app-passwall.patch
index 49c6a2719..83aa128de 100644
--- a/patch-luci-app-passwall.patch
+++ b/patch-luci-app-passwall.patch
@@ -24,7 +24,7 @@ index e52338c..7c71fff 100644
  	if code ~= 0 then
  		local use_time = luci.sys.exec("echo -n '" .. result .. "' | awk -F ':' '{print $2}'")
 diff --git a/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua b/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua
-index ef406ad..5590dd9 100644
+index 13bd889..dcd414b 100644
 --- a/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua
 +++ b/luci-app-passwall/luasrc/model/cbi/passwall/client/global.lua
 @@ -332,6 +332,12 @@ o:value("9.9.9.9", "9.9.9.9 (Quad9-Recommended)")