dnsproxy: add hosts configurations

trim whitespaces while at it.

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>

net/dnsproxy/Makefile

@@ -6,7 +6,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=dnsproxy
 PKG_VERSION:=0.73.1
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/AdguardTeam/dnsproxy/tar.gz/v$(PKG_VERSION)?

net/dnsproxy/files/dnsproxy.config

@@ -37,6 +37,10 @@ config dnsproxy 'edns'
 	option enabled '0'
 	option edns_addr ''
 
+config dnsproxy 'hosts'
+	option enabled '0'
+	list hosts_files ''
+
 config dnsproxy 'private_rdns'
 	option enabled '0'
 	list upstream '127.0.0.1:53'

net/dnsproxy/files/dnsproxy.init

@@ -54,18 +54,22 @@ load_config_arg() {
 load_config_list() {
 	if is_empty "global" "listen_addr"; then
 		append_param "--listen" "127.0.0.1"
-	else 
+	else
 		config_list_foreach "global" "listen_addr" "append_param '--listen'"
 	fi
 
 	if is_empty "global" "listen_port"; then
 		append_param "--port" "5353"
-	else 
+	else
 		config_list_foreach "global" "listen_port" "append_param '--port'"
 	fi
 
 	is_empty "bogus_nxdomain" "ip_addr" || config_list_foreach "bogus_nxdomain" "ip_addr" "append_param '--bogus-nxdomain'"
 
+	is_enabled "hosts" "enabled" && {
+		config_list_foreach "hosts" "hosts_files" "append_param '--hosts-files'"
+	}
+
 	is_enabled "private_rdns" "enabled" && {
 		append_param "--use-private-rdns"
 		config_list_foreach "private_rdns" "upstream" "append_param '--private-rdns-upstream'"
@@ -83,6 +87,8 @@ load_config_param() {
 	append_param_arg "global" "rate_limit" "--ratelimit"
 	append_param_arg "global" "udp_buf_size" "--udp-buf-size"
 
+	append_param_arg "hosts" "enabled" "--hosts-file-enabled" "0"
+
 	is_enabled "cache" "enabled" && {
 		append_param "--cache"
 		append_param_bool "cache" "cache_optimistic"