--- /dev/null
+#
+# Copyright (C) 2006-2016 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=addrwatch
+PKG_VERSION:=0.8
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-master.tar.gz
+PKG_SOURCE_URL:=https://github.com/fln/addrwatch/releases/download/$(PKG_VERSION)/
+PKG_MD5SUM:=8f401415be993005fa5fb58a05e14295
+PKG_LICENSE:=GPL-3.0
+PKG_LICENSE_FILES:=COPYING
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)-master
+PKG_FIXUP:=autoreconf
+PKG_BUILD_DEPENDS:=USE_UCLIBC:argp-standalone USE_MUSL:argp-standalone
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/addrwatch
+ SECTION:=net
+ CATEGORY:=Network
+ DEPENDS:=+libpcap +libevent2
+ TITLE:=IPv4/IPv6 and ethernet address pairing tool
+ URL:=https://github.com/fln/addrwatch
+ MAINTAINER:=Ondrej Caletka <ondrej@caletka.cz>
+endef
+
+define Package/addrwatch/description
+ This is a tool similar to arpwatch. It main purpose is to monitor network and
+ log discovered ethernet/ip pairings. Addrwatch is extremely useful in networks
+ with IPv6 autoconfiguration (RFC4862) enabled. It allows to track IPv6
+ addresses of hosts using IPv6 privacy extensions (RFC4941).
+endef
+
+define Package/addrwatch/conffiles
+ /etc/config/addrwatch
+endef
+
+define Package/addrwatch/install
+ $(INSTALL_DIR) $(1)/usr/sbin $(1)/etc/config $(1)/etc/init.d
+ $(INSTALL_BIN) $(PKG_BUILD_DIR)/src/addrwatch $(1)/usr/sbin/
+ $(INSTALL_BIN) ./files/addrwatch.init $(1)/etc/init.d/addrwatch
+ $(INSTALL_CONF) ./files/addrwatch.config $(1)/etc/config/addrwatch$
+endef
+
+$(eval $(call BuildPackage,addrwatch))
--- /dev/null
+
+config addrwatch
+ option disabled '0'
+ list interface 'lan'
+ #list interface 'wan'
+ #option syslog '1'
+ #option verbose '0'
+ #option output '/var/log/addrwatch'
+ #list blacklist '192.168.1.1'
+ #option hashsize '1'
+ #option ratelimit '-1'
+
--- /dev/null
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2016 OpenWrt.org
+
+START=50
+USE_PROCD=1
+
+. /lib/functions/network.sh
+
+validate_section_addrwatch() {
+ uci_validate_section addrwatch addrwatch "${1}" \
+ 'disabled:bool:0' \
+ 'interface:list(string):lan' \
+ 'syslog:bool:1' \
+ 'output:string' \
+ 'quiet:bool:0' \
+ 'verbose:bool:0' \
+ 'ipv4only:bool:0' \
+ 'ipv6only:bool:0' \
+ 'blacklist:list(or(ip4addr,ip6addr))' \
+ 'hashsize:range(1,65536):1024'\
+ 'ratelimit:integer:3600'
+ return $?
+}
+
+start_instance() {
+ local cfg="$1"
+ local disabled interface syslog output quiet verbose ipv4only ipv6only
+ local blacklist hashsize ratelimit
+ local netdevs=""
+
+ validate_section_addrwatch "${cfg}" || {
+ echo "validation of config $cfg failed"
+ return 1
+ }
+ [ $disabled -ne 0 ] && return 1
+
+ for iface in $interface; do
+ local netdev
+ network_get_physdev netdev "${iface}"
+ append netdevs "${netdev}"
+ done
+
+ procd_open_instance
+ procd_set_param command /usr/sbin/addrwatch
+ [ "${syslog}" -eq 1 ] && procd_append_param command --syslog
+ [ -n "${output}" ] && procd_append_param command --output "$output"
+ [ "$quiet" -eq 1 ] && procd_append_param command --quiet
+ [ "$verbose" -eq 1 ] && procd_append_param command --verbose
+ [ "$ipv4only" -eq 1 ] && procd_append_param command --ipv4only
+ [ "$ipv6only" -eq 1 ] && procd_append_param command --ipv6only
+ [ -n "$hashsize" ] && procd_append_param command --hashsize "$hashsize"
+ [ -n "$ratelimit" ] && procd_append_param command --ratelimit "$ratelimit"
+ for blitem in $blacklist; do
+ procd_append_param command "--blacklist=${blitem}"
+ done
+ procd_append_param command $netdevs
+ procd_set_param netdev $netdevs
+ procd_set_param respawn
+ procd_open_trigger
+ for iface in $interface; do
+ procd_add_interface_trigger "interface.*" ${iface} /etc/init.d/addrwatch reload
+ done
+ procd_close_trigger
+ procd_close_instance
+}
+
+start_service() {
+ config_load 'addrwatch'
+ config_foreach start_instance 'addrwatch'
+}
+
+service_triggers() {
+ procd_add_reload_trigger 'addrwatch'
+}
--- /dev/null
+--- a/configure.ac
++++ b/configure.ac
+@@ -56,9 +56,6 @@ AC_CHECK_HEADERS([arpa/inet.h netinet/in
+ # Checks for typedefs, structures, and compiler characteristics.
+ AC_C_INLINE
+ AC_TYPE_PID_T
+-AC_CHECK_DECLS([sys_siglist], [], [
+- AC_MSG_ERROR([Unable to find sys_siglist declaration.])
+-], [[#include <signal.h>]])
+ AC_TYPE_UINT32_T
+ AC_TYPE_UINT16_T
+ AC_TYPE_UINT8_T
+--- a/src/addrwatch.c
++++ b/src/addrwatch.c
+@@ -339,7 +339,7 @@ void reload_cb(evutil_socket_t fd, short
+ void reload_cb(int fd, short events, void *arg)
+ #endif
+ {
+- log_msg(LOG_DEBUG, "Received signal (%d), %s", fd, sys_siglist[fd]);
++ log_msg(LOG_DEBUG, "Received signal (%d), %s", fd, strsignal(fd));
+ log_msg(LOG_DEBUG, "Reopening output files");
+
+ output_flatfile_reload();
+@@ -353,7 +353,7 @@ void stop_cb(evutil_socket_t fd, short e
+ void stop_cb(int fd, short events, void *arg)
+ #endif
+ {
+- log_msg(LOG_DEBUG, "Received signal (%d), %s", fd, sys_siglist[fd]);
++ log_msg(LOG_DEBUG, "Received signal (%d), %s", fd, strsignal(fd));
+ #if HAVE_LIBEVENT2
+ event_base_loopbreak(cfg.eb);
+ #else
--- /dev/null
+--- a/src/addrwatch.c
++++ b/src/addrwatch.c
+@@ -492,7 +492,7 @@ int main(int argc, char *argv[])
+ argp_parse(&argp, argc, argv, 0, &optind, 0);
+
+ if (!cfg.hostname) {
+- cfg.hostname_len = sysconf(_SC_HOST_NAME_MAX);
++ cfg.hostname_len = HOST_NAME_MAX;
+ cfg.hostname = (char *)calloc(cfg.hostname_len, sizeof(char));
+ gethostname(cfg.hostname, cfg.hostname_len);
+ }