luci-app-openclash: Optimized acquire dnsmasq configuration file pa…

…th code. (#4215)

* luci-app-openclash: Optimized acquire `dnsmasq` configuration file path code.

luci-app-openclash/Makefile

@@ -122,9 +122,12 @@ endef
 
 define Package/$(PKG_NAME)/postrm
 #!/bin/sh
-	DEFAULT_DNSMASQ_CFGID=$(uci show dhcp.@dnsmasq[0] | awk -F '.' '{print $2}' | awk -F '=' '{print $1}' | head -1)
-	DNSMASQ_CONF_PATH=$(grep -l "^conf-dir=" "/tmp/etc/dnsmasq.conf.${DEFAULT_DNSMASQ_CFGID}")
-	DNSMASQ_CONF_DIR=$(grep '^conf-dir=' "$DNSMASQ_CONF_PATH" | cut -d'=' -f2 | head -n 1)
+	DEFAULT_DNSMASQ_CFGID="$(uci -q show "dhcp.@dnsmasq[0]" | awk 'NR==1 {split($0, conf, /[.=]/); print conf[2]}')"
+	if [ -f "/tmp/etc/dnsmasq.conf.$DEFAULT_DNSMASQ_CFGID" ]; then
+	   DNSMASQ_CONF_DIR="$(awk -F '=' '/^conf-dir=/ {print $2}' "/tmp/etc/dnsmasq.conf.$DEFAULT_DNSMASQ_CFGID")"
+	else
+	   DNSMASQ_CONF_DIR="/tmp/dnsmasq.d"
+	fi
 	DNSMASQ_CONF_DIR=${DNSMASQ_CONF_DIR%*/}
 	rm -rf /etc/openclash >/dev/null 2>&1
 	rm -rf /etc/config/openclash >/dev/null 2>&1

luci-app-openclash/root/etc/init.d/openclash

@@ -14,13 +14,15 @@ BACKUP_FILE="/etc/openclash/backup/$(uci -q get openclash.config.config_path |aw
 CONFIG_FILE="/etc/openclash/$(uci -q get openclash.config.config_path |awk -F '/' '{print $5}' 2>/dev/null)"
 TMP_CONFIG_FILE="/tmp/yaml_config_tmp_$(uci -q get openclash.config.config_path |awk -F '/' '{print $5}' 2>/dev/null)"
 FW4=$(command -v fw4)
-# Get the default DNSMasq config ID from the UCI configuration
-DEFAULT_DNSMASQ_CFGID=$(uci show dhcp.@dnsmasq[0] | awk -F '.' '{print $2}' | awk -F '=' '{print $1}' | head -1)
-# Locate the dnsmasq.conf file that contains the conf-dir option
-DNSMASQ_CONF_PATH=$(grep -l "^conf-dir=" "/tmp/etc/dnsmasq.conf.${DEFAULT_DNSMASQ_CFGID}")
-# Extract the directory path from the conf-dir line
-DNSMASQ_CONF_DIR=$(grep '^conf-dir=' "$DNSMASQ_CONF_PATH" | cut -d'=' -f2 | head -n 1)
-# Check if a conf-dir value was found and set variables accordingly
+# 获取默认的 DNSMASQ 配置 ID
+DEFAULT_DNSMASQ_CFGID="$(uci -q show "dhcp.@dnsmasq[0]" | awk 'NR==1 {split($0, conf, /[.=]/); print conf[2]}')"
+# 从 conf-dir 行中提取配置目录路径
+if [ -f "/tmp/etc/dnsmasq.conf.$DEFAULT_DNSMASQ_CFGID" ]; then
+   DNSMASQ_CONF_DIR="$(awk -F '=' '/^conf-dir=/ {print $2}' "/tmp/etc/dnsmasq.conf.$DEFAULT_DNSMASQ_CFGID")"
+else
+   DNSMASQ_CONF_DIR="/tmp/dnsmasq.d"
+fi
+# 设置 DNSMASQ_CONF_DIR，并去除路径末尾的斜杠
 DNSMASQ_CONF_DIR=${DNSMASQ_CONF_DIR%*/}
 }
 CLASH="/etc/openclash/clash"

luci-app-openclash/root/usr/share/openclash/openclash_custom_domain_dns.sh

@@ -13,13 +13,15 @@ del_lock() {
 
 set_lock
 
-# Get the default DNSMasq config ID from the UCI configuration
-DEFAULT_DNSMASQ_CFGID=$(uci show dhcp.@dnsmasq[0] | awk -F '.' '{print $2}' | awk -F '=' '{print $1}' | head -1)
-# Locate the dnsmasq.conf file that contains the conf-dir option
-DNSMASQ_CONF_PATH=$(grep -l "^conf-dir=" "/tmp/etc/dnsmasq.conf.${DEFAULT_DNSMASQ_CFGID}")
-# Extract the directory path from the conf-dir line
-DNSMASQ_CONF_DIR=$(grep '^conf-dir=' "$DNSMASQ_CONF_PATH" | cut -d'=' -f2 | head -n 1)
-# Check if a conf-dir value was found and set variables accordingly
+# 获取默认的 DNSMASQ 配置 ID
+DEFAULT_DNSMASQ_CFGID="$(uci -q show "dhcp.@dnsmasq[0]" | awk 'NR==1 {split($0, conf, /[.=]/); print conf[2]}')"
+# 从 conf-dir 行中提取配置目录路径
+if [ -f "/tmp/etc/dnsmasq.conf.$DEFAULT_DNSMASQ_CFGID" ]; then
+   DNSMASQ_CONF_DIR="$(awk -F '=' '/^conf-dir=/ {print $2}' "/tmp/etc/dnsmasq.conf.$DEFAULT_DNSMASQ_CFGID")"
+else
+   DNSMASQ_CONF_DIR="/tmp/dnsmasq.d"
+fi
+# 设置 DNSMASQ_CONF_DIR，并去除路径末尾的斜杠
 DNSMASQ_CONF_DIR=${DNSMASQ_CONF_DIR%*/}
 rm -rf ${DNSMASQ_CONF_DIR}/dnsmasq_openclash_custom_domain.conf >/dev/null 2>&1
 if [ "$(uci get openclash.config.enable_custom_domain_dns_server 2>/dev/null)" = "1" ] && [ "$(uci get openclash.config.enable_redirect_dns 2>/dev/null)" = "1" ]; then
@@ -36,4 +38,4 @@ if [ "$(uci get openclash.config.enable_custom_domain_dns_server 2>/dev/null)" =
    fi
 fi
 
-del_lock
+del_lock