Add ipset-dns - a tiny DNS proxy service which puts resolved ip addresses into a...

SVN-Revision: 36552

diff --git a/package/network/services/ipset-dns/Makefile b/package/network/services/ipset-dns/Makefile
new file mode 100644 (file)
index 0000000..431c779
--- /dev/null
+++ b/package/network/services/ipset-dns/Makefile
@@ -0,0 +1,60 @@
+#
+# Copyright (C) 2013 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=ipset-dns
+PKG_VERSION:=2013-05-03
+PKG_RELEASE=$(PKG_SOURCE_VERSION)
+
+PKG_SOURCE_PROTO:=git
+PKG_SOURCE_URL:=http://git.zx2c4.com/ipset-dns
+PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
+PKG_SOURCE_VERSION:=6be3afd819a86136b51c5ae722ab48266187155b
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
+PKG_MAINTAINER:=Jo-Philipp Wich <jow@openwrt.org>
+
+PKG_LICENSE:=GPLv2
+PKG_LICENSE_FILES:=COPYING
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/ipset-dns/Default
+endef
+
+define Package/ipset-dns
+  SECTION:=net
+  CATEGORY:=Network
+  TITLE:=A lightweight DNS forwarder to populate ipsets
+  URL:=http://git.zx2c4.com/ipset-dns/about/
+  DEPENDS:=+libmnl
+endef
+
+define Package/ipset-dns/description
+ The ipset-dns daemon is a lightweight DNS forwarding server that adds all
+ resolved IPs to a given netfilter ipset. It is designed to be used in
+ conjunction with dnsmasq's upstream server directive.
+
+ Practical use cases include routing over a given gateway traffic for
+ particular web services or webpages that do not have a priori predictable
+ IP addresses and instead rely on dizzying arrays of DNS resolutions.
+endef
+
+define Package/ipset-dns/conffiles
+/etc/config/ipset-dns
+endef
+
+define Package/ipset-dns/install
+       $(INSTALL_DIR) $(1)/usr/sbin
+       $(INSTALL_BIN) $(PKG_BUILD_DIR)/ipset-dns $(1)/usr/sbin/ipset-dns
+       $(INSTALL_DIR) $(1)/etc/init.d
+       $(INSTALL_BIN) ./files/ipset-dns.init $(1)/etc/init.d/ipset-dns
+       $(INSTALL_DIR) $(1)/etc/config
+       $(INSTALL_CONF) ./files/ipset-dns.config $(1)/etc/config/ipset-dns
+endef
+
+$(eval $(call BuildPackage,ipset-dns))

diff --git a/package/network/services/ipset-dns/files/ipset-dns.config b/package/network/services/ipset-dns/files/ipset-dns.config
new file mode 100644 (file)
index 0000000..52e87b2
--- /dev/null
+++ b/package/network/services/ipset-dns/files/ipset-dns.config
@@ -0,0 +1,13 @@
+# declare an ipset-dns listener instance, multiple allowed
+config ipset-dns
+       # use given ipset
+       option ipset 'domain-filter'
+
+       # use given listening port
+       # defaults to 53000 + instance number
+       #option port  '53001'
+
+       # use given upstream DNS server,
+       # defaults to first entry in /tmp/resolv.conf.auto
+       #option dns   '8.8.8.8'
+

diff --git a/package/network/services/ipset-dns/files/ipset-dns.init b/package/network/services/ipset-dns/files/ipset-dns.init
new file mode 100755 (executable)
index 0000000..5d41539
--- /dev/null
+++ b/package/network/services/ipset-dns/files/ipset-dns.init
@@ -0,0 +1,64 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2013 OpenWrt.org
+
+START=61
+
+SERVICE_DAEMONIZE=1
+SERVICE_WRITE_PID=1
+
+
+find_nameserver() {
+       . /lib/functions/network.sh
+
+       local tmp
+       if network_find_wan tmp && network_get_dnsserver tmp "$tmp"; then
+               echo "${tmp%% *}"
+               return 0
+       fi
+
+       return 1
+}
+
+start_instance() {
+       local cfg="$1"
+       local ipset port dns
+
+       config_get ipset "$cfg" ipset
+       [ -n "$ipset" ] || {
+               echo "No ipset specified for instance $cfg" >&2
+               return 1
+       }
+
+       config_get dns "$cfg" dns "$DEFNS"
+       [ -n "$dns" ] || {
+               echo "No DNS server specified for instance $cfg" >&2
+               return 1
+       }
+
+       config_get port "$cfg" port $((PORT++))
+
+       SERVICE_PID_FILE="/var/run/ipset-dns-$port.pid" \
+               service_start /usr/sbin/ipset-dns "$ipset" "$port" "$dns"
+}
+
+start() {
+       PORT=53001
+       DEFNS="$(find_nameserver)"
+
+       # required by ipset-dns to not daemonize itself
+       export NO_DAEMONIZE=1
+
+       config_load ipset-dns
+       config_foreach start_instance ipset-dns
+}
+
+stop() {
+       local pid
+       for pid in /var/run/ipset-dns-*.pid; do
+               [ -f "$pid" ] || continue
+               SERVICE_PID_FILE="$pid" \
+                       service_stop /usr/sbin/ipset-dns
+               rm -f "$pid"
+       done
+}
+