inadyn: add package for inadyn DDNS client-updater

inadyn is a DynamicDNS client/updater which works with dyndns.com, noip.com
and many other DDNS providers.  It is minimal in footprint and requirements,
supports IP caching, multiple providers, multiple domain names, and
a variety of other situations.

[Peter: fixup whitespace / trailing spaces]
Signed-off-by: Dave Purdy <david.c.purdy@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/Config.in

@@ -529,6 +529,7 @@ if BR2_PACKAGE_BUSYBOX_SHOW_OTHERS
 source "package/ifplugd/Config.in"
 endif
 source "package/igh-ethercat/Config.in"
+source "package/inadyn/Config.in"
 source "package/iperf/Config.in"
 source "package/iproute2/Config.in"
 source "package/ipsec-tools/Config.in"

package/inadyn/Config.in

@@ -0,0 +1,8 @@
+config BR2_PACKAGE_INADYN
+	bool "inadyn"
+	help
+	  INADYN is a free DynDNS client. It gives the possibility
+	  to have your own fixed hostname registered on the internet,
+	  although your IP might be changing.
+
+	  https://github.com/troglobit/inadyn

package/inadyn/S70inadyn

@@ -0,0 +1,35 @@
+#!/bin/sh
+#
+# Start & stop the inadyn client
+#
+
+CONFIG=/etc/inadyn.conf
+VR_INADYN=/var/run/inadyn
+
+# check if CONFIG exists, print message & exit if it doesn't
+[ ! -f $CONFIG ] && ( echo "The config file "$CONFIG" is missing...exiting now." && exit 2 )
+
+# check if VR_INADYN exists, create it if not
+[ ! -d $VR_INADYN ] && mkdir -p $VR_INADYN
+
+case "$1" in
+        start)
+                echo "Starting inadyn."
+                start-stop-daemon -S -x /usr/sbin/inadyn
+                ;;
+        stop)
+                echo  "Stopping inadyn."
+                start-stop-daemon -q -K -x /usr/sbin/inadyn
+                rm -f /var/run/inadyn/inadyn.pid
+                ;;
+        restart)
+                "$0" stop
+                "$0" start
+                ;;
+        *)
+                echo $"Usage: $0 {start|stop|restart}"
+                exit 1
+esac
+
+exit $?
+

package/inadyn/inadyn.conf

@@ -0,0 +1,12 @@
+# Basic configuration file for inadyn
+#
+# /etc/inadyn.conf
+background
+update_period_sec 600 # Check for a new IP every 600 seconds
+username test		# replace 'test' with your username
+password test		# replace 'test' with your password
+dyndns_system dyndns@dyndns.org   # replace w/ your provider
+
+#  uncomment the alias statement below to test it on your system
+alias test.homeip.net
+# replace 'test.homeip.net' with yourdomainname for actual (non-test) use

package/inadyn/inadyn.mk

@@ -0,0 +1,23 @@
+#############################################################
+#
+# inadyn
+#
+#############################################################
+
+INADYN_VERSION = 1.98.1
+INADYN_SOURCE = inadyn-$(INADYN_VERSION).tar.bz2
+INADYN_SITE = https://github.com/downloads/troglobit/inadyn
+
+define INADYN_BUILD_CMDS
+	$(TARGET_CONFIGURE_OPTS) $(MAKE) -C $(@D)
+endef
+
+define INADYN_INSTALL_TARGET_CMDS
+	$(INSTALL) -D -m 0755 $(@D)/src/inadyn $(TARGET_DIR)/usr/sbin/inadyn
+	$(INSTALL) -D -m 0644 package/inadyn/inadyn.conf \
+		$(TARGET_DIR)/etc/inadyn.conf
+	$(INSTALL) -D -m 0755 package/inadyn/S70inadyn \
+		$(TARGET_DIR)/etc/init.d/S70inadyn
+endef
+
+$(eval $(call GENTARGETS))