antiblock: Add AntiBlock package

AntiBlock program proxies DNS requests.
The IP addresses of the specified domains are added to
the routing table for routing through the specified interface.

Signed-off-by: Khachatryan Karen <[email protected]>

net/antiblock/Makefile

@@ -0,0 +1,47 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=antiblock
+PKG_VERSION:=1.0.0
+PKG_RELEASE:=1
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=https://github.com/karen07/antiblock
+PKG_SOURCE_VERSION:=bd8e4ae4fe066833d63574bad0d6e1989f6e98f0
+PKG_MIRROR_HASH:=d0411f62785c4636b760729ab269e21bba12e4c10b315ac8f7cf48f68475b796
+
+PKG_MAINTAINER:=Khachatryan Karen <[email protected]>
+PKG_LICENSE:=GPL-3.0-or-later
+
+include $(INCLUDE_DIR)/package.mk
+include $(INCLUDE_DIR)/cmake.mk
+
+define Package/antiblock
+  SECTION:=net
+  CATEGORY:=Network
+  DEPENDS:=+libcurl
+  TITLE:=AntiBlock
+  URL:=https://github.com/karen07/antiblock
+endef
+
+define Package/antiblock/description
+  AntiBlock program proxies DNS requests.
+  The IP addresses of the specified domains are added to the routing
+  table for routing through the specified interface.
+endef
+
+define Package/antiblock/conffiles
+/etc/config/antiblock
+endef
+
+define Package/antiblock/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/antiblock $(1)/usr/bin/antiblock
+
+	$(INSTALL_DIR) $(1)/etc/init.d
+	$(INSTALL_BIN) ./files/etc/init.d/antiblock $(1)/etc/init.d/antiblock
+
+	$(INSTALL_DIR) $(1)/etc/config
+	$(INSTALL_CONF) ./files/etc/config/antiblock $(1)/etc/config/antiblock
+endef
+
+$(eval $(call BuildPackage,antiblock))

net/antiblock/files/etc/config/antiblock

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+
+#config antiblock
+	#option url 'https://antifilter.download/list/domains.lst'
+	#option file '/root/my_urls.txt'
+	#option DNS '1.1.1.1:53'
+	#option listen '192.168.1.1:5053'
+	#option VPN_name 'VPN'
+	#option output '/tmp/antiblock'
+	#option log '1'
+	#option stat '1'

net/antiblock/files/etc/init.d/antiblock

@@ -0,0 +1,104 @@
+#!/bin/sh /etc/rc.common
+
+START=99
+USE_PROCD=1
+
+dnsmasq_walk_add() {
+	local id=$1
+	local listen_IP=$(echo $listen | cut -d ':' -f1)
+	local listen_port=$(echo $listen | cut -d ':' -f2)
+
+	uci -q set dhcp.$id.noresolv="1"
+	uci -q delete dhcp.$id.server
+	uci -q add_list dhcp.$id.server="$listen_IP#$listen_port"
+}
+dnsmasq_walk_del() {
+	local id=$1
+
+	uci -q delete dhcp.$id.noresolv
+	uci -q delete dhcp.$id.server
+}
+
+antiblock_walk_add() {
+	local id=$1
+
+	config_get log "$id" log
+	config_get stat "$id" stat
+	config_get url "$id" url
+	config_get file "$id" file
+	config_get output "$id" output
+	config_get DNS "$id" DNS
+	config_get listen "$id" listen
+	config_get VPN_name "$id" VPN_name
+}
+
+start_service() {
+	echo "AntiBlock start"
+
+	log=""
+	stat=""
+	url=""
+	file=""
+	output=""
+	DNS=""
+	listen=""
+	VPN_name=""
+
+	config_load antiblock
+	config_foreach antiblock_walk_add antiblock
+
+	procd_open_instance
+
+	procd_set_param command "/usr/bin/antiblock"
+	procd_set_param stdout 1
+
+	if [[ "$log" != "" ]]; then
+		procd_append_param command -log
+	fi
+	if [[ "$stat" != "" ]]; then
+		procd_append_param command -stat
+	fi
+	if [[ "$url" != "" ]]; then
+		procd_append_param command -url "$url"
+	fi
+	if [[ "$file" != "" ]]; then
+		procd_append_param command -file "$file"
+	fi
+	if [[ "$output" != "" ]]; then
+		mkdir -p $output
+		procd_append_param command -output $output
+	fi
+	if [[ "$DNS" != "" ]]; then
+		procd_append_param command -DNS "$DNS"
+	fi
+	if [[ "$listen" != "" ]]; then
+		config_load dhcp
+		config_foreach dnsmasq_walk_add dnsmasq
+		procd_append_param command -listen "$listen"
+	fi
+	if [[ "$VPN_name" != "" ]]; then
+		gateway=$(uci get network.$VPN_name.addresses | cut -d '/' -f1)
+		procd_append_param command -gateway "$gateway"
+	fi
+
+	procd_close_instance
+
+	uci commit
+
+	/etc/init.d/dnsmasq restart >/dev/null 2>&1
+}
+
+stop_service() {
+	echo "AntiBlock stop"
+
+	config_load dhcp
+	config_foreach dnsmasq_walk_del dnsmasq
+
+	uci commit
+
+	/etc/init.d/dnsmasq restart >/dev/null 2>&1
+}
+
+service_triggers() {
+	procd_add_reload_trigger "antiblock"
+}

net/antiblock/test.sh

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+#!/bin/sh
+
+antiblock | grep "Antiblock started"