Merge tag 'upstream/5.1.0'

Upstream version 5.1.0

6 files changed, 1148 insertions, 0 deletions

diff --git a/src/libcharon/plugins/osx_attr/Makefile.am b/src/libcharon/plugins/osx_attr/Makefile.am
new file mode 100644
index 000000000..f1ff22e60
--- /dev/null
+++ b/src/libcharon/plugins/osx_attr/Makefile.am
@@ -0,0 +1,20 @@
+AM_CPPFLAGS = \
+	-I$(top_srcdir)/src/libstrongswan \
+	-I$(top_srcdir)/src/libhydra \
+	-I$(top_srcdir)/src/libcharon
+
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+	-rdynamic
+
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+noinst_LTLIBRARIES = libstrongswan-osx-attr.la
+else
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+endif
+
+libstrongswan_osx_attr_la_SOURCES = \
+	osx_attr_plugin.c osx_attr_plugin.h \
+	osx_attr_handler.c osx_attr_handler.h
+
+libstrongswan_osx_attr_la_LDFLAGS = -module -avoid-version \
+	-framework SystemConfiguration -framework CoreFoundation
diff --git a/src/libcharon/plugins/osx_attr/Makefile.in b/src/libcharon/plugins/osx_attr/Makefile.in
new file mode 100644
index 000000000..2e21111c7
--- /dev/null
+++ b/src/libcharon/plugins/osx_attr/Makefile.in
@@ -0,0 +1,689 @@
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+# with or without modifications, as long as this notice is preserved.
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+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	set x; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: CTAGS
+CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+	for dir in "$(DESTDIR)$(plugindir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	clean-pluginLTLIBRARIES mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-pluginLTLIBRARIES
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-pluginLTLIBRARIES
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-noinstLTLIBRARIES clean-pluginLTLIBRARIES \
+	ctags distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-pluginLTLIBRARIES install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags uninstall uninstall-am \
+	uninstall-pluginLTLIBRARIES
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/libcharon/plugins/osx_attr/osx_attr_handler.c b/src/libcharon/plugins/osx_attr/osx_attr_handler.c
new file mode 100644
index 000000000..9a3b2701d
--- /dev/null
+++ b/src/libcharon/plugins/osx_attr/osx_attr_handler.c
@@ -0,0 +1,246 @@
+/*
+ * Copyright (C) 2013 Martin Willi
+ * Copyright (C) 2013 revosec AG
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "osx_attr_handler.h"
+
+#include <networking/host.h>
+#include <utils/debug.h>
+
+#include <SystemConfiguration/SCDynamicStore.h>
+
+typedef struct private_osx_attr_handler_t private_osx_attr_handler_t;
+
+/**
+ * Private data of an osx_attr_handler_t object.
+ */
+struct private_osx_attr_handler_t {
+
+	/**
+	 * Public interface
+	 */
+	osx_attr_handler_t public;
+};
+
+/**
+ * Create a path to the DNS configuration of the Primary IPv4 Service
+ */
+static CFStringRef create_dns_path(SCDynamicStoreRef store)
+{
+	CFStringRef service, path = NULL;
+	CFDictionaryRef dict;
+
+	/* get primary service */
+	dict = SCDynamicStoreCopyValue(store, CFSTR("State:/Network/Global/IPv4"));
+	if (dict)
+	{
+		service = CFDictionaryGetValue(dict, CFSTR("PrimaryService"));
+		if (service)
+		{
+			path = CFStringCreateWithFormat(NULL, NULL,
+								CFSTR("State:/Network/Service/%@/DNS"), service);
+		}
+		else
+		{
+			DBG1(DBG_CFG, "SystemConfiguration PrimaryService not known");
+		}
+		CFRelease(dict);
+	}
+	else
+	{
+		DBG1(DBG_CFG, "getting global IPv4 SystemConfiguration failed");
+	}
+	return path;
+}
+
+/**
+ * Create a mutable dictionary from path, a new one if not found
+ */
+static CFMutableDictionaryRef get_dictionary(SCDynamicStoreRef store,
+											 CFStringRef path)
+{
+	CFDictionaryRef dict;
+	CFMutableDictionaryRef mut = NULL;
+
+	dict = SCDynamicStoreCopyValue(store, path);
+	if (dict)
+	{
+		if (CFGetTypeID(dict) == CFDictionaryGetTypeID())
+		{
+			mut = CFDictionaryCreateMutableCopy(NULL, 0, dict);
+		}
+		CFRelease(dict);
+	}
+	if (!mut)
+	{
+		mut = CFDictionaryCreateMutable(NULL, 0,
+										&kCFTypeDictionaryKeyCallBacks,
+										&kCFTypeDictionaryValueCallBacks);
+	}
+	return mut;
+}
+
+/**
+ * Create a mutable array from dictionary path, a new one if not found
+ */
+static CFMutableArrayRef get_array_from_dict(CFDictionaryRef dict,
+											 CFStringRef name)
+{
+	CFArrayRef arr;
+
+	arr = CFDictionaryGetValue(dict, name);
+	if (arr && CFGetTypeID(arr) == CFArrayGetTypeID())
+	{
+		return CFArrayCreateMutableCopy(NULL, 0, arr);
+	}
+	return CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
+}
+
+/**
+ * Add/Remove a DNS server to the configuration
+ */
+static bool manage_dns(int family, chunk_t data, bool add)
+{
+	SCDynamicStoreRef store;
+	CFStringRef path, dns;
+	CFMutableArrayRef arr;
+	CFMutableDictionaryRef dict;
+	CFIndex i;
+	host_t *server;
+	char buf[64];
+	bool success = FALSE;
+
+	server = host_create_from_chunk(family, data, 0);
+	if (!server)
+	{
+		return FALSE;
+	}
+	snprintf(buf, sizeof(buf), "%H", server);
+	server->destroy(server);
+
+	store = SCDynamicStoreCreate(NULL, CFSTR("osx-attr"), NULL, NULL);
+	path = create_dns_path(store);
+	if (path)
+	{
+		dict = get_dictionary(store, path);
+		arr = get_array_from_dict(dict, CFSTR("ServerAddresses"));
+		dns = CFStringCreateWithCString(NULL, buf, kCFStringEncodingUTF8);
+		if (add)
+		{
+			DBG1(DBG_CFG, "installing %s as DNS server", buf);
+			CFArrayInsertValueAtIndex(arr, 0, dns);
+		}
+		else
+		{
+			i = CFArrayGetFirstIndexOfValue(arr,
+									CFRangeMake(0, CFArrayGetCount(arr)), dns);
+			if (i >= 0)
+			{
+				DBG1(DBG_CFG, "removing %s from DNS servers (%d)", buf, i);
+				CFArrayRemoveValueAtIndex(arr, i);
+			}
+		}
+		CFRelease(dns);
+		CFDictionarySetValue(dict, CFSTR("ServerAddresses"), arr);
+		CFRelease(arr);
+
+		success = SCDynamicStoreSetValue(store, path, dict);
+		CFRelease(dict);
+		CFRelease(path);
+	}
+	CFRelease(store);
+
+	if (!success)
+	{
+		DBG1(DBG_CFG, "adding DNS server to SystemConfiguration failed");
+	}
+	return success;
+}
+
+METHOD(attribute_handler_t, handle, bool,
+	private_osx_attr_handler_t *this, identification_t *id,
+	configuration_attribute_type_t type, chunk_t data)
+{
+	switch (type)
+	{
+		case INTERNAL_IP4_DNS:
+			return manage_dns(AF_INET, data, TRUE);
+		default:
+			return FALSE;
+	}
+}
+
+METHOD(attribute_handler_t, release, void,
+	private_osx_attr_handler_t *this, identification_t *server,
+	configuration_attribute_type_t type, chunk_t data)
+{
+	switch (type)
+	{
+		case INTERNAL_IP4_DNS:
+			manage_dns(AF_INET, data, FALSE);
+			break;
+		default:
+			break;
+	}
+}
+
+METHOD(enumerator_t, enumerate_dns, bool,
+	enumerator_t *this, configuration_attribute_type_t *type, chunk_t *data)
+{
+	*type = INTERNAL_IP4_DNS;
+	*data = chunk_empty;
+	/* stop enumeration */
+	this->enumerate = (void*)return_false;
+	return TRUE;
+}
+
+METHOD(attribute_handler_t, create_attribute_enumerator, enumerator_t *,
+	private_osx_attr_handler_t *this, identification_t *id,
+	linked_list_t *vips)
+{
+	enumerator_t *enumerator;
+
+	INIT(enumerator,
+		.enumerate = (void*)_enumerate_dns,
+		.destroy = (void*)free,
+	);
+	return enumerator;
+}
+
+METHOD(osx_attr_handler_t, destroy, void,
+	private_osx_attr_handler_t *this)
+{
+	free(this);
+}
+
+/**
+ * See header
+ */
+osx_attr_handler_t *osx_attr_handler_create()
+{
+	private_osx_attr_handler_t *this;
+
+	INIT(this,
+		.public = {
+			.handler = {
+				.handle = _handle,
+				.release = _release,
+				.create_attribute_enumerator = _create_attribute_enumerator,
+			},
+			.destroy = _destroy,
+		},
+	);
+
+	return &this->public;
+}
diff --git a/src/libcharon/plugins/osx_attr/osx_attr_handler.h b/src/libcharon/plugins/osx_attr/osx_attr_handler.h
new file mode 100644
index 000000000..c1f979bcd
--- /dev/null
+++ b/src/libcharon/plugins/osx_attr/osx_attr_handler.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2013 Martin Willi
+ * Copyright (C) 2013 revosec AG
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup osx_attr_handler osx_attr_handler
+ * @{ @ingroup osx_attr
+ */
+
+#ifndef OSX_ATTR_HANDLER_H_
+#define OSX_ATTR_HANDLER_H_
+
+#include <attributes/attribute_handler.h>
+
+typedef struct osx_attr_handler_t osx_attr_handler_t;
+
+/**
+ * OS X specific attribute handler, using SystemConfiguration framework.
+ */
+struct osx_attr_handler_t {
+
+	/**
+	 * Implements attribute_handler_t.
+	 */
+	attribute_handler_t handler;
+
+	/**
+	 * Destroy a osx_attr_handler_t.
+	 */
+	void (*destroy)(osx_attr_handler_t *this);
+};
+
+/**
+ * Create an osx_attr_handler_t instance.
+ */
+osx_attr_handler_t *osx_attr_handler_create();
+
+#endif /** OSX_ATTR_HANDLER_H_ @}*/
diff --git a/src/libcharon/plugins/osx_attr/osx_attr_plugin.c b/src/libcharon/plugins/osx_attr/osx_attr_plugin.c
new file mode 100644
index 000000000..380483c23
--- /dev/null
+++ b/src/libcharon/plugins/osx_attr/osx_attr_plugin.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2013 Martin Willi
+ * Copyright (C) 2013 revosec AG
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "osx_attr_plugin.h"
+#include "osx_attr_handler.h"
+
+#include <hydra.h>
+#include <daemon.h>
+
+typedef struct private_osx_attr_plugin_t private_osx_attr_plugin_t;
+
+/**
+ * Private data of an osx_attr_plugin_t object.
+ */
+struct private_osx_attr_plugin_t {
+
+	/**
+	 * Public interface
+	 */
+	osx_attr_plugin_t public;
+
+	/**
+	 * Android specific DNS handler
+	 */
+	osx_attr_handler_t *handler;
+};
+
+METHOD(plugin_t, get_name, char*,
+	private_osx_attr_plugin_t *this)
+{
+	return "osx-attr";
+}
+
+/**
+ * Register handler
+ */
+static bool plugin_cb(private_osx_attr_plugin_t *this,
+					  plugin_feature_t *feature, bool reg, void *cb_data)
+{
+	if (reg)
+	{
+		hydra->attributes->add_handler(hydra->attributes,
+									   &this->handler->handler);
+	}
+	else
+	{
+		hydra->attributes->remove_handler(hydra->attributes,
+										  &this->handler->handler);
+	}
+	return TRUE;
+}
+
+METHOD(plugin_t, get_features, int,
+	private_osx_attr_plugin_t *this, plugin_feature_t *features[])
+{
+	static plugin_feature_t f[] = {
+		PLUGIN_CALLBACK((plugin_feature_callback_t)plugin_cb, NULL),
+			PLUGIN_PROVIDE(CUSTOM, "osx-attr"),
+	};
+	*features = f;
+	return countof(f);
+}
+
+METHOD(plugin_t, destroy, void,
+	private_osx_attr_plugin_t *this)
+{
+	this->handler->destroy(this->handler);
+	free(this);
+}
+
+/**
+ * See header
+ */
+plugin_t *osx_attr_plugin_create()
+{
+	private_osx_attr_plugin_t *this;
+
+	INIT(this,
+		.public = {
+			.plugin = {
+				.get_name = _get_name,
+				.get_features = _get_features,
+				.destroy = _destroy,
+			},
+		},
+		.handler = osx_attr_handler_create(),
+	);
+
+	return &this->public.plugin;
+}
diff --git a/src/libcharon/plugins/osx_attr/osx_attr_plugin.h b/src/libcharon/plugins/osx_attr/osx_attr_plugin.h
new file mode 100644
index 000000000..761379386
--- /dev/null
+++ b/src/libcharon/plugins/osx_attr/osx_attr_plugin.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2013 Martin Willi
+ * Copyright (C) 2013 revosec AG
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup osx_attr osx_attr
+ * @ingroup cplugins
+ *
+ * @defgroup osx_attr_plugin osx_attr_plugin
+ * @{ @ingroup osx_attr
+ */
+
+#ifndef OSX_ATTR_PLUGIN_H_
+#define OSX_ATTR_PLUGIN_H_
+
+#include <plugins/plugin.h>
+
+typedef struct osx_attr_plugin_t osx_attr_plugin_t;
+
+/**
+ * Plugin providing an OS X specific configuration attribute handler.
+ */
+struct osx_attr_plugin_t {
+
+	/**
+	 * Implements plugin interface.
+	 */
+	plugin_t plugin;
+};
+
+#endif /** OSX_ATTR_PLUGIN_H_ @}*/