--- /dev/null
+# SPDX-License-Identifier: MIT
+#
+# Copyright (C) 2021 Gerald Kerma
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=crowdsec-firewall-bouncer
+PKG_VERSION:=0.0.15
+PKG_RELEASE:=$(AUTORELEASE)
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=https://github.com/crowdsecurity/cs-firewall-bouncer
+PKG_SOURCE_VERSION:=v$(PKG_VERSION)
+PKG_SOURCE_DATE:=2021903
+PKG_MIRROR_HASH:=2ef7e4f935056d648a6b45bb09ebb5846262ac9d745229b1442051abdd214c86
+
+PKG_LICENSE:=MIT
+PKG_LICENSE_FILES:=LICENSE
+PKG_MAINTAINER:=Gerald Kerma <gandalf@gk2.net>
+
+PKG_BUILD_DEPENDS:=golang/host
+PKG_BUILD_PARALLEL:=1
+PKG_USE_MIPS16:=0
+
+CSFB_BUILD_VERSION?=$(PKG_SOURCE_VERSION)
+CSFB_BUILD_GOVERSION=$(shell go version | cut -d " " -f3 | sed -r 's/[go]+//g')
+CWD_BUILD_TIMESTAMP:=$(SOURCE_DATE_EPOCH)
+CSFB_BUILD_TAG=openwrt
+
+CSFB_VERSION_PKG:=github.com/crowdsecurity/cs-firewall-bouncer/pkg/version
+
+GO_PKG:=github.com/crowdsecurity/cs-firewall-bouncer
+
+GO_PKG_LDFLAGS_X:=$(CSFB_VERSION_PKG).Version=$(CSFB_BUILD_VERSION) \
+ $(CSFB_VERSION_PKG).BuildDate=$(CSFB_BUILD_TIMESTAMP) \
+ $(CSFB_VERSION_PKG).Tag=$(CSFB_BUILD_TAG) \
+ $(CSFB_VERSION_PKG).GoVersion=$(CSFB_BUILD_GOVERSION)
+
+GO_PKG_INSTALL_ALL:=1
+
+include $(INCLUDE_DIR)/package.mk
+include ../../lang/golang/golang-package.mk
+
+define Package/crowdsec-firewall-bouncer/Default
+ SECTION:=net
+ CATEGORY:=Network
+ TITLE:=Firewall bouncer for Crowdsec
+ URL:=https://github.com/crowdsecurity/cs-firewall-bouncer/
+endef
+
+define Package/crowdsec-firewall-bouncer
+$(call Package/crowdsec-firewall-bouncer/Default)
+ DEPENDS:=@(PACKAGE_iptables||PACKAGE_nftables) \
+ $(GO_ARCH_DEPENDS) \
+ +crowdsec
+endef
+
+define Package/golang-crowdsec-firewall-bouncer-dev
+$(call Package/crowdsec-firewall-bouncer/Default)
+$(call GoPackage/GoSubMenu)
+ TITLE+= (source files)
+ DEPENDS:=$(GO_ARCH_DEPENDS)
+ PKGARCH:=all
+endef
+
+define Package/crowdsec-firewall-bouncer/Default/description
+ Crowdsec bouncer written in golang for firewalls.
+
+ crowdsec-firewall-bouncer will fetch new and old decisions
+ from a CrowdSec API to add them in a blocklist used by supported firewalls.
+
+ You must install iptables+ipset or nftables.
+endef
+
+define Package/crowdsec-firewall-bouncer/description
+$(call Package/crowdsec-firewall-bouncer/Default/description)
+
+ This package contains the main program.
+endef
+
+define Package/golang-crowdsec-firewall-bouncer-dev/description
+$(call Package/crowdsec-firewall-bouncer/Default/description)
+
+ This package provides the source files for the program.
+endef
+
+define Package/crowdsec-firewall-bouncer/install
+ $(call GoPackage/Package/Install/Bin,$(1))
+
+ $(INSTALL_DIR) $(1)/etc/crowdsec/bouncers
+ $(INSTALL_DATA) \
+ $(GO_PKG_BUILD_DIR)/src/$(GO_PKG)/config/crowdsec-firewall-bouncer.yaml \
+ $(1)/etc/crowdsec/bouncers
+
+ $(INSTALL_DIR) $(1)/etc/init.d
+ $(INSTALL_BIN) \
+ ./files/crowdsec-firewall-bouncer.initd \
+ $(1)/etc/init.d/crowdsec-firewall-bouncer
+
+ $(INSTALL_DIR) $(1)/etc
+ $(INSTALL_BIN) \
+ ./files/crowdsec-firewall-bouncer.firewall \
+ $(1)/etc/firewall.cs
+
+ $(INSTALL_DIR) $(1)/etc/uci-defaults
+ $(INSTALL_BIN) \
+ ./files/crowdsec-firewall-bouncer.defaults \
+ $(1)/etc/uci-defaults/99_crowdsec-firewall-bouncer
+endef
+
+define Package/crowdsec-firewall-bouncer/conffiles
+/etc/crowdsec/bouncers/crowdsec-firewall-bouncer.yaml
+endef
+
+$(eval $(call GoBinPackage,crowdsec-firewall-bouncer))
+$(eval $(call BuildPackage,crowdsec-firewall-bouncer))
--- /dev/null
+#!/bin/sh
+API_KEY=""
+CONFIG=/etc/crowdsec/bouncers/crowdsec-firewall-bouncer.yaml
+## Gen&ConfigApiKey
+if grep -q "${API_KEY}" "$CONFIG"; then
+ echo API key already registered...
+else
+ SUFFIX=`tr -dc A-Za-z0-9 </dev/urandom | head -c 8`
+ API_KEY=`/usr/bin/cscli bouncers add cs-firewall-bouncer-${SUFFIX} -o raw`
+ sed -i "s,^\(\s*api_key\s*:\s*\).*\$,\1$API_KEY," $CONFIG
+fi
+
+# unfortunately, UCI doesn't provide a nice way to add an anonymous section only if it doesn't already exist
+if ! uci show firewall | grep -q firewall.cs; then
+ name="$(uci add firewall include)"
+ uci set "firewall.${name}.path=/etc/firewall.cs"
+ uci set "firewall.${name}.enabled=1"
+ uci set "firewall.${name}.reload=1"
+ echo -e "Adding the following UCI config:\n $(uci changes)"
+ uci commit
+fi
+
+exit 0
--- /dev/null
+#!/bin/sh /etc/rc.common
+# (C) 2021 Gerald Kerma
+
+START=99
+USE_PROCD=1
+NAME=crowdsec-firewall-bouncer
+PROG=/usr/bin/cs-firewall-bouncer
+CONFIG=/etc/crowdsec/bouncers/crowdsec-firewall-bouncer.yaml
+BACKEND=iptables
+VARCONFIGDIR=/var/etc/crowdsec/bouncers
+VARCONFIG=/var/etc/crowdsec/bouncers/crowdsec-firewall-bouncer.yaml
+FW_BACKEND="iptables"
+
+service_triggers() {
+ procd_add_reload_trigger crowdsec-firewall-bouncer
+}
+
+init_config() {
+ ## CheckFirewall
+ iptables="true"
+ which iptables > /dev/null
+ FW_BACKEND=""
+ if [[ $? != 0 ]]; then
+ echo "iptables is not present"
+ iptables="false"
+ else
+ FW_BACKEND="iptables"
+ echo "iptables found"
+ fi
+
+ nftables="true"
+ which nft > /dev/null
+ if [[ $? != 0 ]]; then
+ echo "nftables is not present"
+ nftables="false"
+ else
+ FW_BACKEND="nftables"
+ echo "nftables found"
+ fi
+
+ if [ "$nftables" = "true" -a "$iptables" = "true" ]; then
+ echo "Found nftables(default) and iptables..."
+ fi
+
+ if [ "$FW_BACKEND" = "iptables" ]; then
+ which ipset > /dev/null
+ if [[ $? != 0 ]]; then
+ echo "ipset not found, install it !"
+ fi
+ fi
+ BACKEND=$FW_BACKEND
+
+ # Create tmp dir & permissions if needed
+ if [ ! -d "${VARCONFIGDIR}" ]; then
+ mkdir -m 0755 -p "${VARCONFIGDIR}"
+ fi;
+
+ cp $CONFIG $VARCONFIG
+
+ sed -i "s,^\(\s*mode\s*:\s*\).*\$,\1$BACKEND," $VARCONFIG
+}
+
+start_service() {
+ init_config
+
+ procd_open_instance
+ procd_set_param command "$PROG" -c "$VARCONFIG"
+ procd_close_instance
+}
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