- Updated to new upstream.

20 files changed, 5633 insertions, 0 deletions

diff --git a/src/charon/plugins/stroke/Makefile.am b/src/charon/plugins/stroke/Makefile.am
new file mode 100644
index 000000000..7a341102b
--- /dev/null
+++ b/src/charon/plugins/stroke/Makefile.am
@@ -0,0 +1,19 @@
+
+INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/charon -I$(top_srcdir)/src/stroke
+
+AM_CFLAGS = -rdynamic -DIPSEC_CONFDIR=\"${confdir}\" -DIPSEC_PIDDIR=\"${piddir}\"
+
+plugin_LTLIBRARIES = libstrongswan-stroke.la
+
+libstrongswan_stroke_la_SOURCES = stroke_plugin.h stroke_plugin.c \
+  stroke_socket.h stroke_socket.c \
+  stroke_config.h stroke_config.c \
+  stroke_control.h stroke_control.c \
+  stroke_cred.h stroke_cred.c \
+  stroke_ca.h stroke_ca.c \
+  stroke_attribute.h stroke_attribute.c \
+  stroke_list.h stroke_list.c \
+  stroke_shared_key.h stroke_shared_key.c
+
+libstrongswan_stroke_la_LDFLAGS = -module
+
diff --git a/src/charon/plugins/stroke/Makefile.in b/src/charon/plugins/stroke/Makefile.in
new file mode 100644
index 000000000..a528377d0
--- /dev/null
+++ b/src/charon/plugins/stroke/Makefile.in
@@ -0,0 +1,513 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
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+install_sh_DATA = $(install_sh) -c -m 644
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+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
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+	$(ACLOCAL_M4)
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+    *) f=$$p;; \
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+am_libstrongswan_stroke_la_OBJECTS = stroke_plugin.lo stroke_socket.lo \
+	stroke_config.lo stroke_control.lo stroke_cred.lo stroke_ca.lo \
+	stroke_attribute.lo stroke_list.lo stroke_shared_key.lo
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+	$(am_libstrongswan_stroke_la_OBJECTS)
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+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(libstrongswan_stroke_la_LDFLAGS) $(LDFLAGS) -o $@
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+libstrongswan_stroke_la_SOURCES = stroke_plugin.h stroke_plugin.c \
+  stroke_socket.h stroke_socket.c \
+  stroke_config.h stroke_config.c \
+  stroke_control.h stroke_control.c \
+  stroke_cred.h stroke_cred.c \
+  stroke_ca.h stroke_ca.c \
+  stroke_attribute.h stroke_attribute.c \
+  stroke_list.h stroke_list.c \
+  stroke_shared_key.h stroke_shared_key.c
+
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+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  src/charon/plugins/stroke/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu  src/charon/plugins/stroke/Makefile
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+	done
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+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
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+	$(libstrongswan_stroke_la_LINK) -rpath $(plugindir) $(libstrongswan_stroke_la_OBJECTS) $(libstrongswan_stroke_la_LIBADD) $(LIBS)
+
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+
+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-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/charon/plugins/stroke/stroke_attribute.c b/src/charon/plugins/stroke/stroke_attribute.c
new file mode 100644
index 000000000..71b56bc8a
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_attribute.c
@@ -0,0 +1,340 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#include "stroke_attribute.h"
+
+#include <daemon.h>
+#include <utils/linked_list.h>
+#include <utils/mutex.h>
+
+#define POOL_LIMIT 16
+
+typedef struct private_stroke_attribute_t private_stroke_attribute_t;
+
+/**
+ * private data of stroke_attribute
+ */
+struct private_stroke_attribute_t {
+
+	/**
+	 * public functions
+	 */
+	stroke_attribute_t public;
+	
+	/**
+	 * list of pools, contains pool_t
+	 */
+	linked_list_t *pools;
+	
+	/**
+	 * mutex to lock access to pools
+	 */
+	mutex_t *mutex;
+};
+
+typedef struct {
+	/** name of the pool */
+	char *name;
+	/** base address of the pool */
+	host_t *base;
+	/** number of entries in the pool */
+	int count;
+	/** array of in-use flags, TODO: use bit fields */
+	u_int8_t *in_use;
+} pool_t;
+
+/**
+ * destroy a pool_t
+ */
+static void pool_destroy(pool_t *this)
+{
+	DESTROY_IF(this->base);
+	free(this->name);
+	free(this->in_use);
+	free(this);
+}
+
+/**
+ * find a pool by name
+ */
+static pool_t *find_pool(private_stroke_attribute_t *this, char *name)
+{
+	enumerator_t *enumerator;
+	pool_t *current, *found = NULL;
+	
+	enumerator = this->pools->create_enumerator(this->pools);
+	while (enumerator->enumerate(enumerator, &current))
+	{
+		if (streq(name, current->name))
+		{
+			found = current;
+			break;
+		}
+	}
+	enumerator->destroy(enumerator);
+	return found;
+}
+
+/**
+ * convert an pool offset to an address
+ */
+host_t* offset2host(pool_t *pool, int offset)
+{
+	chunk_t addr;
+	host_t *host;
+	u_int32_t *pos;
+	
+	if (offset > pool->count)
+	{
+		return NULL;
+	}
+	
+	addr = chunk_clone(pool->base->get_address(pool->base));
+	if (pool->base->get_family(pool->base) == AF_INET6)
+	{
+		pos = (u_int32_t*)(addr.ptr + 12);
+	}
+	else
+	{
+		pos = (u_int32_t*)addr.ptr;
+	}
+	*pos = htonl(offset + ntohl(*pos));
+	host = host_create_from_chunk(pool->base->get_family(pool->base), addr, 0);
+	free(addr.ptr);
+	return host;
+}
+
+/**
+ * convert a host to a pool offset
+ */
+int host2offset(pool_t *pool, host_t *addr)
+{
+	chunk_t host, base;
+	u_int32_t hosti, basei;
+	
+	if (addr->get_family(addr) != pool->base->get_family(pool->base))
+	{
+		return -1;
+	}
+	host = addr->get_address(addr);
+	base = pool->base->get_address(pool->base);
+	if (addr->get_family(addr) == AF_INET6)
+	{
+		/* only look at last /32 block */
+		if (!memeq(host.ptr, base.ptr, 12))
+		{
+			return -1;
+		}
+		host = chunk_skip(host, 12);
+		base = chunk_skip(base, 12);
+	}
+	hosti = ntohl(*(u_int32_t*)(host.ptr));
+	basei = ntohl(*(u_int32_t*)(base.ptr));
+	if (hosti > basei + pool->count)
+	{
+		return -1;
+	}
+	return hosti - basei;
+}
+
+/**
+ * Implementation of attribute_provider_t.acquire_address
+ */
+static host_t* acquire_address(private_stroke_attribute_t *this,
+							   char *name, identification_t *id,
+							   auth_info_t *auth, host_t *requested)
+{
+	pool_t *pool;
+	host_t *host = NULL;
+	int i;
+	
+	this->mutex->lock(this->mutex);
+	pool = find_pool(this, name);
+	if (pool)
+	{
+		if (requested && !requested->is_anyaddr(requested))
+		{
+			if (pool->count == 0)
+			{	/* %config, give any */
+				host = requested->clone(requested);
+			}
+			else
+			{
+				i = host2offset(pool, requested);
+				if (i >= 0 && !pool->in_use[i])
+				{
+					pool->in_use[i] = TRUE;
+					host = requested->clone(requested);
+				}
+			}
+		}
+		if (!host)
+		{
+			for (i = 0; i < pool->count; i++)
+			{
+				if (!pool->in_use[i])
+				{
+					pool->in_use[i] = TRUE;
+					host = offset2host(pool, i);
+					break;
+				}
+			}
+		}
+	}
+	this->mutex->unlock(this->mutex);
+	return host;
+}
+
+/**
+ * Implementation of attribute_provider_t.release_address
+ */
+static bool release_address(private_stroke_attribute_t *this,
+							char *name, host_t *address)
+{
+	pool_t *pool;
+	bool found = FALSE;
+	int i;
+	
+	this->mutex->lock(this->mutex);
+	pool = find_pool(this, name);
+	if (pool)
+	{
+		if (pool->count != 0)
+		{
+			i = host2offset(pool, address);
+			if (i >= 0 && pool->in_use[i])
+			{
+				pool->in_use[i] = FALSE;
+				found = TRUE;
+			}
+		}
+	}
+	this->mutex->unlock(this->mutex);
+	return found;
+}
+
+/**
+ * Implementation of stroke_attribute_t.add_pool.
+ */
+static void add_pool(private_stroke_attribute_t *this, stroke_msg_t *msg)
+{
+	if (msg->add_conn.other.sourceip_size)
+	{
+		pool_t *pool;
+		
+		if (msg->add_conn.other.sourceip)
+		{
+			u_int32_t bits;
+			int family;
+		
+			DBG1(DBG_CFG, "adding virtual IP address pool '%s': %s/%d", 
+				 msg->add_conn.name, msg->add_conn.other.sourceip, 
+				 msg->add_conn.other.sourceip_size);
+		
+			pool = malloc_thing(pool_t);
+			pool->base = host_create_from_string(msg->add_conn.other.sourceip, 0);
+			if (!pool->base)
+			{
+				free(pool);
+				DBG1(DBG_CFG, "virtual IP address invalid, discarded");
+				return;
+			}
+			pool->name = strdup(msg->add_conn.name);
+			family = pool->base->get_family(pool->base);
+			bits = (family == AF_INET ? 32 : 128) - msg->add_conn.other.sourceip_size;
+			if (bits > POOL_LIMIT)
+			{
+				bits = POOL_LIMIT;
+				DBG1(DBG_CFG, "virtual IP pool to large, limiting to %s/%d",
+					 msg->add_conn.other.sourceip,
+					 (family == AF_INET ? 32 : 128) - bits);
+			}
+			pool->count = 1 << (bits);
+			pool->in_use = calloc(pool->count, sizeof(u_int8_t));
+		
+			if (pool->count > 2)
+			{	/* do not use first and last addresses of a block */
+				pool->in_use[0] = TRUE;
+				pool->in_use[pool->count-1] = TRUE;
+			}
+		}
+		else
+		{	/* %config, add an empty pool */
+			pool = malloc_thing(pool_t);
+			pool->name = strdup(msg->add_conn.name);
+			pool->base = NULL;
+			pool->count = 0;
+			pool->in_use = NULL;
+		}
+		this->mutex->lock(this->mutex);
+		this->pools->insert_last(this->pools, pool);
+		this->mutex->unlock(this->mutex);
+	}
+}
+
+/**
+ * Implementation of stroke_attribute_t.del_pool.
+ */
+static void del_pool(private_stroke_attribute_t *this, stroke_msg_t *msg)
+{
+	enumerator_t *enumerator;
+	pool_t *pool;
+	
+	this->mutex->lock(this->mutex);
+	enumerator = this->pools->create_enumerator(this->pools);
+	while (enumerator->enumerate(enumerator, &pool))
+	{
+		if (streq(msg->del_conn.name, pool->name))
+		{
+			this->pools->remove_at(this->pools, enumerator);
+			pool_destroy(pool);
+			break;
+		}
+	}
+	enumerator->destroy(enumerator);
+	this->mutex->unlock(this->mutex);
+}
+
+/**
+ * Implementation of stroke_attribute_t.destroy
+ */
+static void destroy(private_stroke_attribute_t *this)
+{
+	this->mutex->destroy(this->mutex);
+	this->pools->destroy_function(this->pools, (void*)pool_destroy);
+	free(this);
+}
+
+/*
+ * see header file
+ */
+stroke_attribute_t *stroke_attribute_create()
+{
+	private_stroke_attribute_t *this = malloc_thing(private_stroke_attribute_t);
+	
+	this->public.provider.acquire_address = (host_t*(*)(attribute_provider_t *this, char*, identification_t *,auth_info_t *, host_t *))acquire_address;
+	this->public.provider.release_address = (bool(*)(attribute_provider_t *this, char*,host_t *))release_address;
+	this->public.add_pool = (void(*)(stroke_attribute_t*, stroke_msg_t *msg))add_pool;
+	this->public.del_pool = (void(*)(stroke_attribute_t*, stroke_msg_t *msg))del_pool;
+	this->public.destroy = (void(*)(stroke_attribute_t*))destroy;
+	
+	this->pools = linked_list_create();
+	this->mutex = mutex_create(MUTEX_DEFAULT);
+	
+	return &this->public;
+}
+
diff --git a/src/charon/plugins/stroke/stroke_attribute.h b/src/charon/plugins/stroke/stroke_attribute.h
new file mode 100644
index 000000000..f871d5a13
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_attribute.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+/**
+ * @defgroup stroke_attribute stroke_attribute
+ * @{ @ingroup stroke
+ */
+
+#ifndef STROKE_ATTRIBUTE_H_
+#define STROKE_ATTRIBUTE_H_
+
+#include <stroke_msg.h>
+#include <config/attributes/attribute_provider.h>
+
+typedef struct stroke_attribute_t stroke_attribute_t;
+
+/**
+ * Stroke IKEv2 cfg attribute provider
+ */
+struct stroke_attribute_t {
+
+	/**
+	 * Implements attribute provider interface
+	 */
+	attribute_provider_t provider;
+	
+	/**
+	 * Add a virtual IP address.
+	 *
+	 * @param msg		stroke message
+	 * @param end		end of stroke message that contains virtual IP.
+	 */
+	void (*add_pool)(stroke_attribute_t *this, stroke_msg_t *msg);
+	
+	/**
+	 * Remove a virtual IP address.
+	 *
+	 * @param msg		stroke message
+	 */
+	void (*del_pool)(stroke_attribute_t *this, stroke_msg_t *msg);
+	
+	/**
+     * Destroy a stroke_attribute instance.
+     */
+    void (*destroy)(stroke_attribute_t *this);
+};
+
+/**
+ * Create a stroke_attribute instance.
+ */
+stroke_attribute_t *stroke_attribute_create();
+
+#endif /* STROKE_ATTRIBUTE_H_ @}*/
diff --git a/src/charon/plugins/stroke/stroke_ca.c b/src/charon/plugins/stroke/stroke_ca.c
new file mode 100644
index 000000000..897365eb0
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_ca.c
@@ -0,0 +1,457 @@
+/*
+ * Copyright (C) 2008 Tobias Brunner
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#include "stroke_ca.h"
+#include "stroke_cred.h"
+
+#include <utils/mutex.h>
+#include <utils/linked_list.h>
+#include <crypto/hashers/hasher.h>
+
+#include <daemon.h>
+
+typedef struct private_stroke_ca_t private_stroke_ca_t;
+
+/**
+ * private data of stroke_ca
+ */
+struct private_stroke_ca_t {
+
+	/**
+	 * public functions
+	 */
+	stroke_ca_t public;
+	
+	/**
+	 * mutex to lock access to list
+	 */
+	mutex_t *mutex;
+	
+	/**
+	 * list of starters CA sections and its certificates (ca_section_t)
+	 */
+	linked_list_t *sections;
+	
+	/**
+	 * stroke credentials, stores our CA certificates
+	 */
+	stroke_cred_t *cred;
+};
+
+typedef struct ca_section_t ca_section_t;
+
+/**
+ * loaded ipsec.conf CA sections
+ */
+struct ca_section_t {
+
+	/**
+	 * name of the CA section
+	 */
+	char *name;
+	
+	/**
+	 * reference to cert in trusted_credential_t
+	 */
+	certificate_t *cert;
+	
+	/**
+	 * CRL URIs
+	 */
+	linked_list_t *crl;
+	
+	/**
+	 * OCSP URIs
+	 */
+	linked_list_t *ocsp;
+	
+	/**
+	 * Hashes of certificates issued by this CA
+	 */
+	linked_list_t *hashes;
+	
+	/**
+	 * Base URI used for certificates from this CA
+	 */
+	char *certuribase;
+};
+
+/**
+ * create a new CA section 
+ */
+static ca_section_t *ca_section_create(char *name, certificate_t *cert)
+{
+	ca_section_t *ca = malloc_thing(ca_section_t);
+	
+	ca->name = strdup(name);
+	ca->crl = linked_list_create();
+	ca->ocsp = linked_list_create();
+	ca->cert = cert;
+	ca->hashes = linked_list_create();
+	ca->certuribase = NULL;
+	return ca;
+}
+
+/**
+ * destroy a ca section entry
+ */
+static void ca_section_destroy(ca_section_t *this)
+{
+	this->crl->destroy_function(this->crl, free);
+	this->ocsp->destroy_function(this->ocsp, free);
+	this->hashes->destroy_offset(this->hashes, offsetof(identification_t, destroy));
+	free(this->certuribase);
+	free(this->name);
+	free(this);
+}
+
+/**
+ * data to pass to create_inner_cdp
+ */
+typedef struct {
+	private_stroke_ca_t *this;
+	certificate_type_t type;
+	identification_t *id;
+} cdp_data_t;
+
+/**
+ * destroy cdp enumerator data and unlock list
+ */
+static void cdp_data_destroy(cdp_data_t *data)
+{
+	data->this->mutex->unlock(data->this->mutex);
+	free(data);
+}
+
+/**
+ * inner enumerator constructor for CDP URIs
+ */
+static enumerator_t *create_inner_cdp(ca_section_t *section, cdp_data_t *data)
+{
+	public_key_t *public;
+	identification_t *keyid;
+	enumerator_t *enumerator = NULL;
+	linked_list_t *list;
+	
+	if (data->type == CERT_X509_OCSP_RESPONSE)
+	{
+		list = section->ocsp;
+	}
+	else
+	{
+		list = section->crl;
+	}
+
+	public = section->cert->get_public_key(section->cert);
+	if (public)
+	{
+		if (!data->id)
+		{
+			enumerator = list->create_enumerator(list);
+		}
+		else
+		{
+			keyid = public->get_id(public, data->id->get_type(data->id));
+			if (keyid && keyid->matches(keyid, data->id))
+			{
+				enumerator = list->create_enumerator(list);		
+			}
+		}
+		public->destroy(public);
+	}
+	return enumerator;
+}
+
+/**
+ * inner enumerator constructor for "Hash and URL"
+ */
+static enumerator_t *create_inner_cdp_hashandurl(ca_section_t *section, cdp_data_t *data)
+{
+	enumerator_t *enumerator = NULL, *hash_enum;
+	identification_t *current;
+	
+	if (!data->id || !section->certuribase)
+	{
+		return NULL;
+	}
+	
+	hash_enum = section->hashes->create_enumerator(section->hashes);
+	while (hash_enum->enumerate(hash_enum, &current))
+	{	
+		if (current->matches(current, data->id))
+		{
+			char *url, *hash;
+			
+			url = malloc(strlen(section->certuribase) + 40 + 1);
+			strcpy(url, section->certuribase);
+			hash = chunk_to_hex(current->get_encoding(current), NULL, FALSE).ptr;
+			strncat(url, hash, 40);
+			free(hash);
+			
+			enumerator = enumerator_create_single(url, free);
+			break;
+		}
+	}
+	hash_enum->destroy(hash_enum);
+	return enumerator;
+}
+
+/**
+ * Implementation of credential_set_t.create_cdp_enumerator.
+ */
+static enumerator_t *create_cdp_enumerator(private_stroke_ca_t *this,
+								certificate_type_t type, identification_t *id)
+{
+	cdp_data_t *data;
+
+	switch (type)
+	{	/* we serve CRLs, OCSP responders and URLs for "Hash and URL" */
+		case CERT_X509:
+		case CERT_X509_CRL:
+		case CERT_X509_OCSP_RESPONSE:
+		case CERT_ANY:
+			break;
+		default:
+			return NULL;
+	}
+	data = malloc_thing(cdp_data_t);
+	data->this = this;
+	data->type = type;
+	data->id = id;
+	
+	this->mutex->lock(this->mutex);
+	return enumerator_create_nested(this->sections->create_enumerator(this->sections),
+			(type == CERT_X509) ? (void*)create_inner_cdp_hashandurl : (void*)create_inner_cdp,
+			data, (void*)cdp_data_destroy);
+}
+/**
+ * Implementation of stroke_ca_t.add.
+ */
+static void add(private_stroke_ca_t *this, stroke_msg_t *msg)
+{
+	certificate_t *cert;
+	ca_section_t *ca;
+	
+	if (msg->add_ca.cacert == NULL)
+	{
+		DBG1(DBG_CFG, "missing cacert parameter");
+		return;
+	}	
+	cert = this->cred->load_ca(this->cred, msg->add_ca.cacert);
+	if (cert)
+	{
+		ca = ca_section_create(msg->add_ca.name, cert);
+		if (msg->add_ca.crluri)
+		{
+			ca->crl->insert_last(ca->crl, strdup(msg->add_ca.crluri));
+		}
+		if (msg->add_ca.crluri2)
+		{
+			ca->crl->insert_last(ca->crl, strdup(msg->add_ca.crluri2));
+		}
+		if (msg->add_ca.ocspuri)
+		{
+			ca->ocsp->insert_last(ca->ocsp, strdup(msg->add_ca.ocspuri));
+		}
+		if (msg->add_ca.ocspuri2)
+		{
+			ca->ocsp->insert_last(ca->ocsp, strdup(msg->add_ca.ocspuri2));
+		}
+		if (msg->add_ca.certuribase)
+		{
+			ca->certuribase = strdup(msg->add_ca.certuribase);
+		}
+		this->mutex->lock(this->mutex);
+		this->sections->insert_last(this->sections, ca);
+		this->mutex->unlock(this->mutex);
+		DBG1(DBG_CFG, "added ca '%s'", msg->add_ca.name);
+	}
+}
+
+/**
+ * Implementation of stroke_ca_t.del.
+ */
+static void del(private_stroke_ca_t *this, stroke_msg_t *msg)
+{
+	enumerator_t *enumerator;
+	ca_section_t *ca = NULL;
+	
+	this->mutex->lock(this->mutex);
+	enumerator = this->sections->create_enumerator(this->sections);
+	while (enumerator->enumerate(enumerator, &ca))
+	{
+		if (streq(ca->name, msg->del_ca.name))
+		{
+			this->sections->remove_at(this->sections, enumerator);
+			break;
+		}
+		ca = NULL;
+	}
+	enumerator->destroy(enumerator);
+	this->mutex->unlock(this->mutex);
+	if (ca == NULL)
+	{
+		DBG1(DBG_CFG, "no ca named '%s' found\n", msg->del_ca.name);
+		return;
+	}
+	ca_section_destroy(ca);
+	/* TODO: flush cached certs */
+}
+
+/**
+ * list crl or ocsp URIs
+ */
+static void list_uris(linked_list_t *list, char *label, FILE *out)
+{
+	bool first = TRUE;
+	char *uri;
+	enumerator_t *enumerator;
+
+	enumerator = list->create_enumerator(list);
+	while (enumerator->enumerate(enumerator, (void**)&uri))
+	{
+		if (first)
+		{
+			fprintf(out, label);
+			first = FALSE;
+		}
+		else
+		{
+			fprintf(out, "            ");
+		}
+		fprintf(out, "'%s'\n", uri);
+	}
+	enumerator->destroy(enumerator);
+}
+
+/**
+ * Implementation of stroke_ca_t.check_for_hash_and_url.
+ */
+static void check_for_hash_and_url(private_stroke_ca_t *this, certificate_t* cert)
+{
+	ca_section_t *section;
+	enumerator_t *enumerator;
+	
+	hasher_t *hasher = lib->crypto->create_hasher(lib->crypto, HASH_SHA1);
+	if (hasher == NULL)
+	{
+		DBG1(DBG_IKE, "unable to use hash-and-url: sha1 not supported");
+		return;
+	}
+	
+	this->mutex->lock(this->mutex);
+	enumerator = this->sections->create_enumerator(this->sections);
+	while (enumerator->enumerate(enumerator, (void**)&section))
+	{
+		if (section->certuribase && cert->issued_by(cert, section->cert))
+		{
+			chunk_t hash, encoded = cert->get_encoding(cert);
+			hasher->allocate_hash(hasher, encoded, &hash);
+			section->hashes->insert_last(section->hashes,
+					identification_create_from_encoding(ID_CERT_DER_SHA1, hash));
+			chunk_free(&hash);
+			chunk_free(&encoded);
+			break;
+		}
+	}
+	enumerator->destroy(enumerator);
+	this->mutex->unlock(this->mutex);
+	
+	hasher->destroy(hasher);
+}
+
+/**
+ * Implementation of stroke_ca_t.list.
+ */
+static void list(private_stroke_ca_t *this, stroke_msg_t *msg, FILE *out)
+{
+	bool first = TRUE;
+	ca_section_t *section;
+	enumerator_t *enumerator;
+	
+	this->mutex->lock(this->mutex);
+	enumerator = this->sections->create_enumerator(this->sections);
+	while (enumerator->enumerate(enumerator, (void**)&section))
+	{
+		certificate_t *cert = section->cert;
+		public_key_t *public = cert->get_public_key(cert);
+
+		if (first)
+		{
+			fprintf(out, "\n");
+			fprintf(out, "List of CA Information Sections:\n");
+			first = FALSE;
+		}
+		fprintf(out, "\n");
+		fprintf(out, "  authname:    \"%D\"\n", cert->get_subject(cert));
+
+		/* list authkey and keyid */
+		if (public)
+		{
+			fprintf(out, "  authkey:      %D\n",
+					public->get_id(public, ID_PUBKEY_SHA1));
+			fprintf(out, "  keyid:        %D\n",
+					public->get_id(public, ID_PUBKEY_INFO_SHA1));
+			public->destroy(public);
+		}
+		list_uris(section->crl, "  crluris:     ", out);
+		list_uris(section->ocsp, "  ocspuris:    ", out);
+		if (section->certuribase)
+		{
+			fprintf(out, "  certuribase: '%s'\n", section->certuribase);
+		}
+	}
+	enumerator->destroy(enumerator);
+	this->mutex->unlock(this->mutex);
+}
+
+/**
+ * Implementation of stroke_ca_t.destroy
+ */
+static void destroy(private_stroke_ca_t *this)
+{
+	this->sections->destroy_function(this->sections, (void*)ca_section_destroy);
+	this->mutex->destroy(this->mutex);
+	free(this);
+}
+
+/*
+ * see header file
+ */
+stroke_ca_t *stroke_ca_create(stroke_cred_t *cred)
+{
+	private_stroke_ca_t *this = malloc_thing(private_stroke_ca_t);
+	
+	this->public.set.create_private_enumerator = (void*)return_null;
+	this->public.set.create_cert_enumerator = (void*)return_null;
+	this->public.set.create_shared_enumerator = (void*)return_null;
+	this->public.set.create_cdp_enumerator = (void*)create_cdp_enumerator;
+	this->public.set.cache_cert = (void*)nop;
+	this->public.add = (void(*)(stroke_ca_t*, stroke_msg_t *msg))add;
+	this->public.del = (void(*)(stroke_ca_t*, stroke_msg_t *msg))del;
+	this->public.list = (void(*)(stroke_ca_t*, stroke_msg_t *msg, FILE *out))list;
+	this->public.check_for_hash_and_url = (void(*)(stroke_ca_t*, certificate_t*))check_for_hash_and_url;
+	this->public.destroy = (void(*)(stroke_ca_t*))destroy;
+	
+	this->sections = linked_list_create();
+	this->mutex = mutex_create(MUTEX_RECURSIVE);
+	this->cred = cred;
+	
+	return &this->public;
+}
+
diff --git a/src/charon/plugins/stroke/stroke_ca.h b/src/charon/plugins/stroke/stroke_ca.h
new file mode 100644
index 000000000..882446afe
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_ca.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2008 Tobias Brunner
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+/**
+ * @defgroup stroke_ca stroke_ca
+ * @{ @ingroup stroke
+ */
+
+#ifndef STROKE_CA_H_
+#define STROKE_CA_H_
+
+#include <stroke_msg.h>
+
+#include "stroke_cred.h"
+
+typedef struct stroke_ca_t stroke_ca_t;
+
+/**
+ * ipsec.conf ca section handling.
+ */
+struct stroke_ca_t {
+
+	/**
+	 * Implements credential_set_t
+	 */
+	credential_set_t set;
+	
+	/**
+	 * Add a CA to the set using a stroke_msg_t.
+	 *
+	 * @param msg		stroke message containing CA info
+	 */
+	void (*add)(stroke_ca_t *this, stroke_msg_t *msg);
+	
+	/**
+	 * Remove a CA from the set using a stroke_msg_t.
+	 *
+	 * @param msg		stroke message containing CA info
+	 */
+	void (*del)(stroke_ca_t *this, stroke_msg_t *msg);
+	
+	/**
+	 * List CA sections to stroke console.
+	 *
+	 * @param msg		stroke message
+	 */
+	void (*list)(stroke_ca_t *this, stroke_msg_t *msg, FILE *out);
+	
+	/**
+	 * Check if a certificate can be made available through hash and URL.
+	 * 
+	 * @param cert		peer certificate
+	 */
+	void (*check_for_hash_and_url)(stroke_ca_t *this, certificate_t* cert);
+	
+	/**
+     * Destroy a stroke_ca instance.
+     */
+    void (*destroy)(stroke_ca_t *this);
+};
+
+/**
+ * Create a stroke_ca instance.
+ */
+stroke_ca_t *stroke_ca_create(stroke_cred_t *cred);
+
+#endif /* STROKE_CA_H_ @}*/
diff --git a/src/charon/plugins/stroke/stroke_config.c b/src/charon/plugins/stroke/stroke_config.c
new file mode 100644
index 000000000..0069191b5
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_config.c
@@ -0,0 +1,844 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#include "stroke_config.h"
+
+#include <daemon.h>
+#include <utils/mutex.h>
+
+typedef struct private_stroke_config_t private_stroke_config_t;
+
+/**
+ * private data of stroke_config
+ */
+struct private_stroke_config_t {
+
+	/**
+	 * public functions
+	 */
+	stroke_config_t public;
+	
+	/**
+	 * list of peer_cfg_t
+	 */
+	linked_list_t *list;
+	
+	/**
+	 * mutex to lock config list
+	 */
+	mutex_t *mutex;
+	
+	/**
+	 * ca sections
+	 */
+	stroke_ca_t *ca;
+	
+	/**
+	 * credentials
+	 */
+	stroke_cred_t *cred;
+};
+
+/**
+ * data to pass peer_filter
+ */
+typedef struct {
+	private_stroke_config_t *this;
+	identification_t *me;
+	identification_t *other;
+} peer_data_t;
+
+/**
+ * destroy id enumerator data and unlock list
+ */
+static void peer_data_destroy(peer_data_t *data)
+{
+	data->this->mutex->unlock(data->this->mutex);
+	free(data);
+}
+
+/**
+ * filter function for peer configs
+ */
+static bool peer_filter(peer_data_t *data, peer_cfg_t **in, peer_cfg_t **out)
+{
+	bool match_me = FALSE, match_other = FALSE;
+	identification_t *me, *other;
+	
+	me = (*in)->get_my_id(*in);
+	other = (*in)->get_other_id(*in);
+	
+	/* own ID may have wildcards in data (no IDr payload) or in config */
+	match_me = (!data->me || data->me->matches(data->me, me) ||
+				me->matches(me, data->me));
+	/* others ID has wildcards in config only */
+	match_other = (!data->other || data->other->matches(data->other, other));
+	
+	if (match_me && match_other)
+	{
+		*out = *in;
+		return TRUE;
+	}
+	return FALSE;
+}
+
+/**
+ * Implementation of backend_t.create_peer_cfg_enumerator.
+ */
+static enumerator_t* create_peer_cfg_enumerator(private_stroke_config_t *this,
+												identification_t *me,
+												identification_t *other)
+{
+	peer_data_t *data;
+	
+	data = malloc_thing(peer_data_t);
+	data->this = this;
+	data->me = me;
+	data->other = other;
+	
+	this->mutex->lock(this->mutex);
+	return enumerator_create_filter(this->list->create_enumerator(this->list),
+									(void*)peer_filter, data,
+									(void*)peer_data_destroy);
+}
+
+/**
+ * data to pass ike_filter
+ */
+typedef struct {
+	private_stroke_config_t *this;
+	host_t *me;
+	host_t *other;
+} ike_data_t;
+
+/**
+ * destroy id enumerator data and unlock list
+ */
+static void ike_data_destroy(ike_data_t *data)
+{
+	data->this->mutex->unlock(data->this->mutex);
+	free(data);
+}
+
+/**
+ * filter function for ike configs
+ */
+static bool ike_filter(ike_data_t *data, peer_cfg_t **in, ike_cfg_t **out)
+{
+	*out = (*in)->get_ike_cfg(*in);
+	return TRUE;
+}
+
+/**
+ * Implementation of backend_t.create_ike_cfg_enumerator.
+ */
+static enumerator_t* create_ike_cfg_enumerator(private_stroke_config_t *this,
+											   host_t *me, host_t *other)
+{
+	ike_data_t *data;
+	
+	data = malloc_thing(ike_data_t);
+	data->this = this;
+	data->me = me;
+	data->other = other;
+	
+	this->mutex->lock(this->mutex);
+	return enumerator_create_filter(this->list->create_enumerator(this->list),
+									(void*)ike_filter, data,
+									(void*)ike_data_destroy);
+}
+
+/**
+ * implements backend_t.get_peer_cfg_by_name.
+ */
+static peer_cfg_t *get_peer_cfg_by_name(private_stroke_config_t *this, char *name)
+{
+	enumerator_t *e1, *e2;
+	peer_cfg_t *current, *found = NULL;
+	child_cfg_t *child;
+
+	this->mutex->lock(this->mutex);
+	e1 = this->list->create_enumerator(this->list);
+	while (e1->enumerate(e1, &current))
+	{
+        /* compare peer_cfgs name first */
+        if (streq(current->get_name(current), name))
+        {
+            found = current;
+            found->get_ref(found);
+            break;
+        }
+        /* compare all child_cfg names otherwise */
+        e2 = current->create_child_cfg_enumerator(current);
+        while (e2->enumerate(e2, &child))
+        {
+            if (streq(child->get_name(child), name))
+            {
+                found = current;
+                found->get_ref(found);
+                break;
+            }
+        }
+        e2->destroy(e2);
+        if (found)
+        {
+            break;
+        }
+	}
+	e1->destroy(e1);
+	this->mutex->unlock(this->mutex);
+	return found;
+}
+
+/**
+ * check if a certificate has an ID
+ */
+static identification_t *update_peerid(certificate_t *cert, identification_t *id)
+{
+	if (!cert->has_subject(cert, id))
+	{
+		DBG1(DBG_CFG, "  peerid %D not confirmed by certificate, "
+			 "defaulting to subject DN", id);
+		id->destroy(id);
+		id = cert->get_subject(cert);
+		return id->clone(id);
+	}
+	return id;
+}
+
+/**
+ * parse a proposal string, either into ike_cfg or child_cfg
+ */
+static void add_proposals(private_stroke_config_t *this, char *string,
+						  ike_cfg_t *ike_cfg, child_cfg_t *child_cfg)
+{
+	if (string)
+	{
+		char *single;
+		char *strict;
+		proposal_t *proposal;
+		protocol_id_t proto = PROTO_ESP;
+		
+		if (ike_cfg)
+		{
+			proto = PROTO_IKE;
+		}
+		strict = string + strlen(string) - 1;
+		if (*strict == '!')
+		{
+			*strict = '\0';
+		}
+		else
+		{
+			strict = NULL;
+		}
+		while ((single = strsep(&string, ",")))
+		{
+			proposal = proposal_create_from_string(proto, single);
+			if (proposal)
+			{
+				if (ike_cfg)
+				{
+					ike_cfg->add_proposal(ike_cfg, proposal);
+				}
+				else
+				{
+					child_cfg->add_proposal(child_cfg, proposal);
+				}
+				continue;
+			}
+			DBG1(DBG_CFG, "skipped invalid proposal string: %s", single);
+		}
+		if (strict)
+		{
+			return;
+		}
+		/* add default porposal to the end if not strict */
+	}
+	if (ike_cfg)
+	{
+		ike_cfg->add_proposal(ike_cfg, proposal_create_default(PROTO_IKE));
+	}
+	else
+	{
+		child_cfg->add_proposal(child_cfg, proposal_create_default(PROTO_ESP));
+	}
+}
+
+/**
+ * Build an IKE config from a stroke message
+ */
+static ike_cfg_t *build_ike_cfg(private_stroke_config_t *this, stroke_msg_t *msg)
+{
+	stroke_end_t tmp_end;
+	ike_cfg_t *ike_cfg;
+	char *interface;
+	host_t *host;
+	
+	host = host_create_from_dns(msg->add_conn.other.address, 0, 0);
+	if (host)
+	{
+		interface = charon->kernel_interface->get_interface(
+												charon->kernel_interface, host);
+		host->destroy(host);
+		if (interface)
+		{
+			DBG2(DBG_CFG, "left is other host, swapping ends");
+			tmp_end = msg->add_conn.me;
+			msg->add_conn.me = msg->add_conn.other;
+			msg->add_conn.other = tmp_end;
+			free(interface);
+		}
+		else
+		{
+			host = host_create_from_dns(msg->add_conn.me.address, 0, 0);
+			if (host)
+			{
+				interface = charon->kernel_interface->get_interface(
+												charon->kernel_interface, host);
+				host->destroy(host);
+				if (!interface)
+				{
+					DBG1(DBG_CFG, "left nor right host is our side, "
+						 "assuming left=local");
+				}
+				else
+				{
+					free(interface);
+				}
+				
+			}
+		}
+	}
+	ike_cfg = ike_cfg_create(msg->add_conn.other.sendcert != CERT_NEVER_SEND,
+							 msg->add_conn.force_encap,
+							 msg->add_conn.me.address,
+							 msg->add_conn.other.address);
+	add_proposals(this, msg->add_conn.algorithms.ike, ike_cfg, NULL);
+	return ike_cfg;					 
+}
+/**
+ * build a peer_cfg from a stroke msg
+ */
+static peer_cfg_t *build_peer_cfg(private_stroke_config_t *this,
+								  stroke_msg_t *msg, ike_cfg_t *ike_cfg)
+{
+	identification_t *me, *other, *peer_id = NULL;
+	peer_cfg_t *mediated_by = NULL;
+	host_t *vip = NULL;
+	certificate_t *cert;
+	unique_policy_t unique;
+	u_int32_t rekey = 0, reauth = 0, over, jitter;
+	
+	me = identification_create_from_string(msg->add_conn.me.id ?
+						msg->add_conn.me.id : msg->add_conn.me.address);
+	if (!me)
+	{
+		DBG1(DBG_CFG, "invalid ID: %s\n", msg->add_conn.me.id);
+		return NULL;
+	}
+	other = identification_create_from_string(msg->add_conn.other.id ?
+						msg->add_conn.other.id : msg->add_conn.other.address);
+	if (!other)
+	{
+		DBG1(DBG_CFG, "invalid ID: %s\n", msg->add_conn.other.id);
+		me->destroy(me);
+		return NULL;
+	}
+	
+	
+#ifdef ME
+	if (msg->add_conn.ikeme.mediation && msg->add_conn.ikeme.mediated_by)
+	{
+		DBG1(DBG_CFG, "a mediation connection cannot be a"
+				" mediated connection at the same time, aborting");
+		me->destroy(me);
+		other->destroy(other);
+		return NULL;
+	}
+	
+	if (msg->add_conn.ikeme.mediated_by)
+	{
+		mediated_by = charon->backends->get_peer_cfg_by_name(charon->backends,
+												msg->add_conn.ikeme.mediated_by);
+		if (!mediated_by)
+		{
+			DBG1(DBG_CFG, "mediation connection '%s' not found, aborting",
+				 msg->add_conn.ikeme.mediated_by);
+			me->destroy(me);
+			other->destroy(other);
+			return NULL;
+		}
+		
+		if (!mediated_by->is_mediation(mediated_by))
+		{
+			DBG1(DBG_CFG, "connection '%s' as referred to by '%s' is"
+				 "no mediation connection, aborting", 
+				msg->add_conn.ikeme.mediated_by, msg->add_conn.name);
+			mediated_by->destroy(mediated_by);
+			me->destroy(me);
+			other->destroy(other);
+			return NULL;
+		}
+	}
+	
+	if (msg->add_conn.ikeme.peerid)
+	{
+		peer_id = identification_create_from_string(msg->add_conn.ikeme.peerid);
+		if (!peer_id)
+		{
+			DBG1(DBG_CFG, "invalid peer ID: %s\n", msg->add_conn.ikeme.peerid);
+			mediated_by->destroy(mediated_by);
+			me->destroy(me);
+			other->destroy(other);
+			return NULL;
+		}
+	}
+	else
+	{
+		/* no peer ID supplied, assume right ID */
+		peer_id = other->clone(other);
+	}
+#endif /* ME */
+	
+	if (msg->add_conn.me.cert)
+	{
+		cert = this->cred->load_peer(this->cred, msg->add_conn.me.cert);
+		if (cert)
+		{
+			this->ca->check_for_hash_and_url(this->ca, cert);
+			me = update_peerid(cert, me);
+			cert->destroy(cert);
+		}
+	}
+	if (msg->add_conn.other.cert)
+	{
+		cert = this->cred->load_peer(this->cred, msg->add_conn.other.cert);
+		if (cert)
+		{
+			other = update_peerid(cert, other);
+			cert->destroy(cert);
+		}
+	}
+	jitter = msg->add_conn.rekey.margin * msg->add_conn.rekey.fuzz / 100;
+	over = msg->add_conn.rekey.margin;
+	if (msg->add_conn.rekey.reauth)
+	{
+		reauth = msg->add_conn.rekey.ike_lifetime - over;
+	}
+	else
+	{
+		rekey = msg->add_conn.rekey.ike_lifetime - over;
+	}	
+	if (msg->add_conn.me.sourceip_size)
+	{
+		if (msg->add_conn.me.sourceip)
+		{
+			vip = host_create_from_string(msg->add_conn.me.sourceip, 0);
+		}
+		if (!vip)
+		{	/* if it is set to something like %poolname, request an address */
+			if (msg->add_conn.me.subnets)
+			{	/* use the same address as in subnet, if any */
+				if (strchr(msg->add_conn.me.subnets, '.'))
+				{
+					vip = host_create_any(AF_INET);
+				}
+				else
+				{
+					vip = host_create_any(AF_INET6);
+				}
+			}
+			else
+			{
+				if (strchr(ike_cfg->get_my_addr(ike_cfg), ':'))
+				{
+					vip = host_create_any(AF_INET6);
+				}
+				else
+				{
+					vip = host_create_any(AF_INET);
+				}
+			}
+		}
+	}
+	switch (msg->add_conn.unique)
+	{
+		case 1: /* yes */
+		case 2: /* replace */
+			unique = UNIQUE_REPLACE;
+			break;
+		case 3: /* keep */
+			unique = UNIQUE_KEEP;
+			break;
+		default: /* no */
+			unique = UNIQUE_NO;
+			break;
+	}
+	if (msg->add_conn.dpd.action == 0)
+	{	/* dpdaction=none disables DPD */
+		msg->add_conn.dpd.delay = 0;
+	}
+	
+	/* other.sourceip is managed in stroke_attributes. If it is set, we define
+	 * the pool name as the connection name, which the attribute provider
+	 * uses to serve pool addresses. */
+	return peer_cfg_create(msg->add_conn.name,
+		msg->add_conn.ikev2 ? 2 : 1, ike_cfg, me, other,
+		msg->add_conn.me.sendcert, unique, msg->add_conn.auth_method,
+		msg->add_conn.eap_type,	msg->add_conn.eap_vendor,
+		msg->add_conn.rekey.tries, rekey, reauth, jitter, over,
+		msg->add_conn.mobike, msg->add_conn.dpd.delay,
+		vip, msg->add_conn.other.sourceip_size ?
+							msg->add_conn.name : msg->add_conn.other.sourceip,
+		msg->add_conn.ikeme.mediation, mediated_by, peer_id);
+}
+
+/**
+ * fill in auth_info from stroke message
+ */
+static void build_auth_info(private_stroke_config_t *this,
+							stroke_msg_t *msg, auth_info_t *auth)
+{
+	identification_t *my_ca = NULL, *other_ca = NULL;
+	bool my_ca_same = FALSE;
+	bool other_ca_same = FALSE;
+	cert_validation_t valid;
+
+	if (msg->add_conn.other.groups)
+	{
+		/* TODO: AC groups */
+	}
+	
+	switch (msg->add_conn.crl_policy)
+	{
+		case CRL_STRICT_YES:
+			valid = VALIDATION_GOOD;
+			auth->add_item(auth, AUTHZ_CRL_VALIDATION, &valid);
+			break;
+		case CRL_STRICT_IFURI:
+			valid = VALIDATION_SKIPPED;
+			auth->add_item(auth, AUTHZ_CRL_VALIDATION, &valid);
+			break;
+		default:
+			break;
+	}
+	
+	if (msg->add_conn.me.ca)
+	{
+		if (streq(msg->add_conn.me.ca, "%same"))
+		{
+			my_ca_same = TRUE;
+		}
+		else
+		{
+			my_ca = identification_create_from_string(msg->add_conn.me.ca);
+		}
+	}
+	if (msg->add_conn.other.ca)
+	{
+		if (streq(msg->add_conn.other.ca, "%same"))
+		{
+			other_ca_same = TRUE;
+		}
+		else
+		{
+			other_ca = identification_create_from_string(msg->add_conn.other.ca);
+		}
+	}
+	if (other_ca_same && my_ca)
+	{
+		other_ca = my_ca->clone(my_ca);
+	}
+	else if (my_ca_same && other_ca)
+	{
+		my_ca = other_ca->clone(other_ca);
+	}
+	
+	if (other_ca)
+	{
+		DBG2(DBG_CFG, "  other ca: %D", other_ca);
+		certificate_t *cert = charon->credentials->get_cert(charon->credentials, 
+									CERT_X509, KEY_ANY, other_ca, TRUE);
+		if (cert)
+		{
+			auth->add_item(auth, AUTHZ_CA_CERT, cert);
+			cert->destroy(cert);
+		}
+		else
+		{
+			auth->add_item(auth, AUTHZ_CA_CERT_NAME, other_ca);
+		}
+		other_ca->destroy(other_ca);
+	}
+	if (my_ca)
+	{
+		DBG2(DBG_CFG, "  my ca:    %D", my_ca);
+		certificate_t *cert = charon->credentials->get_cert(charon->credentials, 
+									CERT_X509, KEY_ANY, my_ca, TRUE);
+		if (cert)
+		{
+			auth->add_item(auth, AUTHN_CA_CERT, cert);
+			cert->destroy(cert);
+		}
+		else
+		{
+			auth->add_item(auth, AUTHN_CA_CERT_NAME, my_ca);
+		}
+		my_ca->destroy(my_ca);
+	}
+}
+
+/**
+ * build a traffic selector from a stroke_end
+ */
+static void add_ts(private_stroke_config_t *this,
+				   stroke_end_t *end, child_cfg_t *child_cfg, bool local)
+{
+	traffic_selector_t *ts;
+	
+	if (end->tohost)
+	{
+		ts = traffic_selector_create_dynamic(end->protocol,
+					end->port ? end->port : 0, end->port ? end->port : 65535);
+		child_cfg->add_traffic_selector(child_cfg, local, ts);
+	}
+	else
+	{
+		host_t *net;
+		
+		if (!end->subnets)
+		{
+			net = host_create_from_string(end->address, IKEV2_UDP_PORT);
+			if (net)
+			{
+				ts = traffic_selector_create_from_subnet(net, 0, end->protocol,
+														 end->port);
+				child_cfg->add_traffic_selector(child_cfg, local, ts);
+			}
+		}
+		else
+		{
+			char *del, *start, *bits;
+			
+			start = end->subnets;
+			do
+			{
+				int intbits = 0;
+				
+				del = strchr(start, ',');
+				if (del)
+				{
+					*del = '\0';
+				}
+				bits = strchr(start, '/');
+				if (bits)
+				{
+					*bits = '\0';
+					intbits = atoi(bits + 1);
+				}
+				
+				net = host_create_from_string(start, IKEV2_UDP_PORT);
+				if (net)
+				{
+					ts = traffic_selector_create_from_subnet(net, intbits,
+												end->protocol, end->port);
+					child_cfg->add_traffic_selector(child_cfg, local, ts);
+				}
+				else
+				{
+					DBG1(DBG_CFG, "invalid subnet: %s, skipped", start);
+				}
+				start = del + 1;
+			}
+			while (del);
+		}
+	}
+}
+
+/**
+ * build a child config from the stroke message
+ */
+static child_cfg_t *build_child_cfg(private_stroke_config_t *this,
+									stroke_msg_t *msg)
+{
+	child_cfg_t *child_cfg;
+	action_t dpd;
+	
+	switch (msg->add_conn.dpd.action)
+	{	/* map startes magic values to our action type */
+		case 2: /* =hold */
+			dpd = ACTION_ROUTE;
+			break;
+		case 3: /* =restart */
+			dpd = ACTION_RESTART;
+			break;
+		default:
+			dpd = ACTION_NONE;
+			break;
+	}
+	child_cfg = child_cfg_create(
+				msg->add_conn.name, msg->add_conn.rekey.ipsec_lifetime,
+				msg->add_conn.rekey.ipsec_lifetime - msg->add_conn.rekey.margin,
+				msg->add_conn.rekey.margin * msg->add_conn.rekey.fuzz / 100, 
+				msg->add_conn.me.updown, msg->add_conn.me.hostaccess,
+				msg->add_conn.mode, dpd, ACTION_NONE, msg->add_conn.ipcomp);
+	
+	add_ts(this, &msg->add_conn.me, child_cfg, TRUE);
+	add_ts(this, &msg->add_conn.other, child_cfg, FALSE);
+	
+	add_proposals(this, msg->add_conn.algorithms.esp, NULL, child_cfg);
+	
+	return child_cfg;
+}
+
+/**
+ * Implementation of stroke_config_t.add.
+ */
+static void add(private_stroke_config_t *this, stroke_msg_t *msg)
+{
+	ike_cfg_t *ike_cfg, *existing_ike;
+	peer_cfg_t *peer_cfg, *existing;
+	child_cfg_t *child_cfg;
+	enumerator_t *enumerator;
+	bool use_existing = FALSE;
+
+	ike_cfg = build_ike_cfg(this, msg);
+	if (!ike_cfg)
+	{
+		return;
+	}
+	peer_cfg = build_peer_cfg(this, msg, ike_cfg);
+	if (!peer_cfg)
+	{
+		ike_cfg->destroy(ike_cfg);
+		return;
+	}
+	
+	build_auth_info(this, msg, peer_cfg->get_auth(peer_cfg));
+	enumerator = create_peer_cfg_enumerator(this, NULL, NULL);
+	while (enumerator->enumerate(enumerator, &existing))
+	{
+		existing_ike = existing->get_ike_cfg(existing);
+		if (existing->equals(existing, peer_cfg) &&
+			existing_ike->equals(existing_ike, peer_cfg->get_ike_cfg(peer_cfg)))
+		{
+			use_existing = TRUE;
+			peer_cfg->destroy(peer_cfg);
+			peer_cfg = existing;
+			peer_cfg->get_ref(peer_cfg);
+			DBG1(DBG_CFG, "added child to existing configuration '%s'",
+				 peer_cfg->get_name(peer_cfg));
+			break;
+		}
+	}
+	enumerator->destroy(enumerator);
+	
+	child_cfg = build_child_cfg(this, msg);
+	if (!child_cfg)
+	{
+		peer_cfg->destroy(peer_cfg);
+		return;
+	}
+	peer_cfg->add_child_cfg(peer_cfg, child_cfg);
+	
+	if (use_existing)
+	{
+		peer_cfg->destroy(peer_cfg);
+	}
+	else
+	{
+		/* add config to backend */
+		DBG1(DBG_CFG, "added configuration '%s': %s[%D]...%s[%D]", msg->add_conn.name,
+			 ike_cfg->get_my_addr(ike_cfg), peer_cfg->get_my_id(peer_cfg),
+			 ike_cfg->get_other_addr(ike_cfg), peer_cfg->get_other_id(peer_cfg));
+		this->mutex->lock(this->mutex);
+		this->list->insert_last(this->list, peer_cfg);
+		this->mutex->unlock(this->mutex);
+	}
+}
+
+/**
+ * Implementation of stroke_config_t.del.
+ */
+static void del(private_stroke_config_t *this, stroke_msg_t *msg)
+{
+	enumerator_t *enumerator, *children;
+	peer_cfg_t *peer;
+	child_cfg_t *child;
+	
+	this->mutex->lock(this->mutex);
+	enumerator = this->list->create_enumerator(this->list);
+	while (enumerator->enumerate(enumerator, (void**)&peer))
+	{
+		/* remove peer config with such a name */
+		if (streq(peer->get_name(peer), msg->del_conn.name))
+		{
+			this->list->remove_at(this->list, enumerator);
+			peer->destroy(peer);
+			continue;
+		}
+		/* remove any child with such a name */
+		children = peer->create_child_cfg_enumerator(peer);
+		while (children->enumerate(children, &child))
+		{
+			if (streq(child->get_name(child), msg->del_conn.name))
+			{
+				peer->remove_child_cfg(peer, enumerator);
+				child->destroy(child);
+			}
+		}
+		children->destroy(children);
+	}
+	enumerator->destroy(enumerator);
+	this->mutex->unlock(this->mutex);
+	
+	DBG1(DBG_CFG, "deleted connection '%s'", msg->del_conn.name);
+}
+
+/**
+ * Implementation of stroke_config_t.destroy
+ */
+static void destroy(private_stroke_config_t *this)
+{
+	this->list->destroy_offset(this->list, offsetof(peer_cfg_t, destroy));
+	this->mutex->destroy(this->mutex);
+	free(this);
+}
+
+/*
+ * see header file
+ */
+stroke_config_t *stroke_config_create(stroke_ca_t *ca, stroke_cred_t *cred)
+{
+	private_stroke_config_t *this = malloc_thing(private_stroke_config_t);
+	
+	this->public.backend.create_peer_cfg_enumerator = (enumerator_t*(*)(backend_t*, identification_t *me, identification_t *other))create_peer_cfg_enumerator;
+	this->public.backend.create_ike_cfg_enumerator = (enumerator_t*(*)(backend_t*, host_t *me, host_t *other))create_ike_cfg_enumerator;
+	this->public.backend.get_peer_cfg_by_name = (peer_cfg_t* (*)(backend_t*,char*))get_peer_cfg_by_name;
+	this->public.add = (void(*)(stroke_config_t*, stroke_msg_t *msg))add;
+	this->public.del = (void(*)(stroke_config_t*, stroke_msg_t *msg))del;
+	this->public.destroy = (void(*)(stroke_config_t*))destroy;
+	
+	this->list = linked_list_create();
+	this->mutex = mutex_create(MUTEX_RECURSIVE);
+	this->ca = ca;
+	this->cred = cred;
+	
+	return &this->public;
+}
+
diff --git a/src/charon/plugins/stroke/stroke_config.h b/src/charon/plugins/stroke/stroke_config.h
new file mode 100644
index 000000000..22b493cd2
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_config.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+/**
+ * @defgroup stroke_config stroke_config
+ * @{ @ingroup stroke
+ */
+
+#ifndef STROKE_CONFIG_H_
+#define STROKE_CONFIG_H_
+
+#include <config/backend.h>
+#include <stroke_msg.h>
+#include "stroke_ca.h"
+#include "stroke_cred.h"
+
+typedef struct stroke_config_t stroke_config_t;
+
+/**
+ * Stroke in-memory configuration backend
+ */
+struct stroke_config_t {
+
+	/**
+	 * Implements the backend_t interface
+	 */
+	backend_t backend;
+	
+	/**
+	 * Add a configuration to the backend.
+	 *
+	 * @param msg		received stroke message containing config
+	 */
+	void (*add)(stroke_config_t *this, stroke_msg_t *msg);
+	
+	/**
+	 * Remove a configuration from the backend.
+	 *
+	 * @param msg		received stroke message containing config name
+	 */
+	void (*del)(stroke_config_t *this, stroke_msg_t *msg);
+	
+	/**
+     * Destroy a stroke_config instance.
+     */
+    void (*destroy)(stroke_config_t *this);
+};
+
+/**
+ * Create a stroke_config instance.
+ */
+stroke_config_t *stroke_config_create(stroke_ca_t *ca, stroke_cred_t *cred);
+
+#endif /* STROKE_CONFIG_H_ @}*/
diff --git a/src/charon/plugins/stroke/stroke_control.c b/src/charon/plugins/stroke/stroke_control.c
new file mode 100644
index 000000000..2956b1576
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_control.c
@@ -0,0 +1,345 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#include "stroke_control.h"
+
+#include <daemon.h>
+
+typedef struct private_stroke_control_t private_stroke_control_t;
+
+/**
+ * private data of stroke_control
+ */
+struct private_stroke_control_t {
+
+	/**
+	 * public functions
+	 */
+	stroke_control_t public;
+};
+
+
+typedef struct stroke_log_info_t stroke_log_info_t;
+
+/**
+ * helper struct to say what and where to log when using controller callback
+ */
+struct stroke_log_info_t {
+
+	/**
+	 * level to log up to
+	 */
+	level_t level;
+	
+	/**
+	 * where to write log
+	 */
+	FILE* out;
+};
+
+/**
+ * logging to the stroke interface
+ */
+static bool stroke_log(stroke_log_info_t *info, signal_t signal, level_t level,
+					   ike_sa_t *ike_sa, char *format, va_list args)
+{
+	if (level <= info->level)
+	{
+		if (vfprintf(info->out, format, args) < 0 ||
+			fprintf(info->out, "\n") < 0 ||
+			fflush(info->out) != 0)
+		{
+			return FALSE;
+		}
+	}
+	return TRUE;
+}
+
+/**
+ * get the child_cfg with the same name as the peer cfg
+ */
+static child_cfg_t* get_child_from_peer(peer_cfg_t *peer_cfg, char *name)
+{
+	child_cfg_t *current, *found = NULL;
+	enumerator_t *enumerator;
+	
+	enumerator = peer_cfg->create_child_cfg_enumerator(peer_cfg);
+	while (enumerator->enumerate(enumerator, &current))
+	{
+		if (streq(current->get_name(current), name))
+		{
+			found = current;
+			found->get_ref(found);
+			break;
+		}
+	}
+	enumerator->destroy(enumerator);
+	return found;
+}
+
+/**
+ * Implementation of stroke_control_t.initiate.
+ */
+static void initiate(private_stroke_control_t *this, stroke_msg_t *msg, FILE *out)
+{
+	peer_cfg_t *peer_cfg;
+	child_cfg_t *child_cfg;
+	stroke_log_info_t info;
+	
+	peer_cfg = charon->backends->get_peer_cfg_by_name(charon->backends,
+													  msg->initiate.name);
+	if (peer_cfg == NULL)
+	{
+		DBG1(DBG_CFG, "no config named '%s'\n", msg->initiate.name);
+		return;
+	}
+	if (peer_cfg->get_ike_version(peer_cfg) != 2)
+	{
+		DBG1(DBG_CFG, "ignoring initiation request for IKEv%d config",
+			 peer_cfg->get_ike_version(peer_cfg));
+		peer_cfg->destroy(peer_cfg);
+		return;
+	}
+	
+	child_cfg = get_child_from_peer(peer_cfg, msg->initiate.name);
+	if (child_cfg == NULL)
+	{
+		DBG1(DBG_CFG, "no child config named '%s'\n", msg->initiate.name);
+		peer_cfg->destroy(peer_cfg);
+		return;
+	}
+	
+	if (msg->output_verbosity < 0)
+	{
+		charon->controller->initiate(charon->controller, peer_cfg, child_cfg,
+									 NULL, NULL);
+	}
+	else
+	{
+		info.out = out;
+		info.level = msg->output_verbosity;
+		charon->controller->initiate(charon->controller, peer_cfg, child_cfg,
+									 (controller_cb_t)stroke_log, &info);
+	}
+}
+
+/**
+ * Implementation of stroke_control_t.terminate.
+ */
+static void terminate(private_stroke_control_t *this, stroke_msg_t *msg, FILE *out)
+{
+	char *string, *pos = NULL, *name = NULL;
+	u_int32_t id = 0;
+	bool child;
+	int len;
+	ike_sa_t *ike_sa;
+	enumerator_t *enumerator;
+	stroke_log_info_t info;
+	
+	string = msg->terminate.name;
+	
+	len = strlen(string);
+	if (len < 1)
+	{
+		DBG1(DBG_CFG, "error parsing string");
+		return;
+	}
+	switch (string[len-1])
+	{
+		case '}':
+			child = TRUE;
+			pos = strchr(string, '{');
+			break;
+		case ']':
+			child = FALSE;
+			pos = strchr(string, '[');
+			break;
+		default:
+			name = string;
+			child = FALSE;
+			break;
+	}
+	
+	if (name)
+	{
+		/* is a single name */
+	}
+	else if (pos == string + len - 2)
+	{	/* is name[] or name{} */
+		string[len-2] = '\0';
+		name = string;
+	}
+	else
+	{	/* is name[123] or name{23} */
+		string[len-1] = '\0';
+		id = atoi(pos + 1);
+		if (id == 0)
+		{
+			DBG1(DBG_CFG, "error parsing string");
+			return;
+		}
+	}
+	
+	info.out = out;
+	info.level = msg->output_verbosity;
+	
+	enumerator = charon->controller->create_ike_sa_enumerator(charon->controller);
+	while (enumerator->enumerate(enumerator, &ike_sa))
+	{
+		child_sa_t *child_sa;
+		iterator_t *children;
+		
+		if (child)
+		{
+			children = ike_sa->create_child_sa_iterator(ike_sa);
+			while (children->iterate(children, (void**)&child_sa))
+			{
+				if ((name && streq(name, child_sa->get_name(child_sa))) ||
+					(id && id == child_sa->get_reqid(child_sa)))
+				{
+					id = child_sa->get_reqid(child_sa);
+					children->destroy(children);
+					enumerator->destroy(enumerator);
+					
+					charon->controller->terminate_child(charon->controller, id,
+									(controller_cb_t)stroke_log, &info);
+					return;
+				}
+			}
+			children->destroy(children);
+		}
+		else if ((name && streq(name, ike_sa->get_name(ike_sa))) ||
+				 (id && id == ike_sa->get_unique_id(ike_sa)))
+		{
+			id = ike_sa->get_unique_id(ike_sa);
+			/* unlock manager first */
+			enumerator->destroy(enumerator);
+			
+			charon->controller->terminate_ike(charon->controller, id,
+								 	(controller_cb_t)stroke_log, &info);
+			return;
+		}
+		
+	}
+	enumerator->destroy(enumerator);
+	DBG1(DBG_CFG, "no such SA found");
+}
+
+/**
+ * Implementation of stroke_control_t.route.
+ */
+static void route(private_stroke_control_t *this, stroke_msg_t *msg, FILE *out)
+{
+	peer_cfg_t *peer_cfg;
+	child_cfg_t *child_cfg;
+	stroke_log_info_t info;
+	
+	peer_cfg = charon->backends->get_peer_cfg_by_name(charon->backends,
+													  msg->route.name);
+	if (peer_cfg == NULL)
+	{
+		fprintf(out, "no config named '%s'\n", msg->route.name);
+		return;
+	}
+	if (peer_cfg->get_ike_version(peer_cfg) != 2)
+	{
+		peer_cfg->destroy(peer_cfg);
+		return;
+	}
+	
+	child_cfg = get_child_from_peer(peer_cfg, msg->route.name);
+	if (child_cfg == NULL)
+	{
+		fprintf(out, "no child config named '%s'\n", msg->route.name);
+		peer_cfg->destroy(peer_cfg);
+		return;
+	}
+	
+	info.out = out;
+	info.level = msg->output_verbosity;
+	charon->controller->route(charon->controller, peer_cfg, child_cfg,
+							  (controller_cb_t)stroke_log, &info);
+	peer_cfg->destroy(peer_cfg);
+	child_cfg->destroy(child_cfg);
+}
+
+/**
+ * Implementation of stroke_control_t.unroute.
+ */
+static void unroute(private_stroke_control_t *this, stroke_msg_t *msg, FILE *out)
+{
+	char *name;
+	ike_sa_t *ike_sa;
+	enumerator_t *enumerator;
+	stroke_log_info_t info;
+	
+	name = msg->terminate.name;
+	
+	info.out = out;
+	info.level = msg->output_verbosity;
+	
+	enumerator = charon->controller->create_ike_sa_enumerator(charon->controller);
+	while (enumerator->enumerate(enumerator, &ike_sa))
+	{
+		child_sa_t *child_sa;
+		iterator_t *children;
+		u_int32_t id;
+
+		children = ike_sa->create_child_sa_iterator(ike_sa);
+		while (children->iterate(children, (void**)&child_sa))
+		{
+			if (child_sa->get_state(child_sa) == CHILD_ROUTED &&
+				streq(name, child_sa->get_name(child_sa)))
+			{
+				id = child_sa->get_reqid(child_sa);
+				children->destroy(children);
+				enumerator->destroy(enumerator);
+				charon->controller->unroute(charon->controller, id,
+								(controller_cb_t)stroke_log, &info);
+				return;
+			}
+		}
+		children->destroy(children);
+	}
+	enumerator->destroy(enumerator);
+	DBG1(DBG_CFG, "no such SA found");
+}
+
+/**
+ * Implementation of stroke_control_t.destroy
+ */
+static void destroy(private_stroke_control_t *this)
+{
+	free(this);
+}
+
+/*
+ * see header file
+ */
+stroke_control_t *stroke_control_create()
+{
+	private_stroke_control_t *this = malloc_thing(private_stroke_control_t);
+	
+	this->public.initiate = (void(*)(stroke_control_t*, stroke_msg_t *msg, FILE *out))initiate;
+	this->public.terminate = (void(*)(stroke_control_t*, stroke_msg_t *msg, FILE *out))terminate;
+	this->public.route = (void(*)(stroke_control_t*, stroke_msg_t *msg, FILE *out))route;
+	this->public.unroute = (void(*)(stroke_control_t*, stroke_msg_t *msg, FILE *out))unroute;
+	this->public.destroy = (void(*)(stroke_control_t*))destroy;
+	
+	return &this->public;
+}
+
diff --git a/src/charon/plugins/stroke/stroke_control.h b/src/charon/plugins/stroke/stroke_control.h
new file mode 100644
index 000000000..917679209
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_control.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+/**
+ * @defgroup stroke_control stroke_control
+ * @{ @ingroup stroke
+ */
+
+#ifndef STROKE_CONTROL_H_
+#define STROKE_CONTROL_H_
+
+#include <stroke_msg.h>
+#include <library.h>
+#include <stdio.h>
+
+typedef struct stroke_control_t stroke_control_t;
+
+/**
+ * Process stroke control messages
+ */
+struct stroke_control_t {
+
+	/**
+	 * Initiate a connection.
+	 *
+	 * @param msg		stroke message
+	 */
+	void (*initiate)(stroke_control_t *this, stroke_msg_t *msg, FILE *out);
+	
+	/**
+	 * Terminate a connection.
+	 *
+	 * @param msg		stroke message
+	 */
+	void (*terminate)(stroke_control_t *this, stroke_msg_t *msg, FILE *out);
+	
+	/**
+	 * Route a connection.
+	 *
+	 * @param msg		stroke message
+	 */
+	void (*route)(stroke_control_t *this, stroke_msg_t *msg, FILE *out);
+	
+	/**
+	 * Unroute a connection.
+	 *
+	 * @param msg		stroke message
+	 */
+	void (*unroute)(stroke_control_t *this, stroke_msg_t *msg, FILE *out);
+	
+	/**
+     * Destroy a stroke_control instance.
+     */
+    void (*destroy)(stroke_control_t *this);
+};
+
+/**
+ * Create a stroke_control instance.
+ */
+stroke_control_t *stroke_control_create();
+
+#endif /* STROKE_CONTROL_H_ @}*/
diff --git a/src/charon/plugins/stroke/stroke_cred.c b/src/charon/plugins/stroke/stroke_cred.c
new file mode 100644
index 000000000..223500488
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_cred.c
@@ -0,0 +1,977 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#include "stroke_cred.h"
+#include "stroke_shared_key.h"
+
+#include <sys/stat.h>
+#include <limits.h>
+
+#include <credentials/certificates/x509.h>
+#include <credentials/certificates/crl.h>
+#include <credentials/certificates/ac.h>
+#include <utils/linked_list.h>
+#include <utils/mutex.h>
+#include <utils/lexparser.h>
+#include <asn1/pem.h>
+#include <daemon.h>
+
+/* configuration directories and files */
+#define CONFIG_DIR IPSEC_CONFDIR
+#define IPSEC_D_DIR CONFIG_DIR "/ipsec.d"
+#define PRIVATE_KEY_DIR IPSEC_D_DIR "/private"
+#define CERTIFICATE_DIR IPSEC_D_DIR "/certs"
+#define CA_CERTIFICATE_DIR IPSEC_D_DIR "/cacerts"
+#define AA_CERTIFICATE_DIR IPSEC_D_DIR "/aacerts"
+#define ATTR_CERTIFICATE_DIR IPSEC_D_DIR "/acerts"
+#define OCSP_CERTIFICATE_DIR IPSEC_D_DIR "/ocspcerts"
+#define CRL_DIR IPSEC_D_DIR "/crls"
+#define SECRETS_FILE CONFIG_DIR "/ipsec.secrets"
+
+typedef struct private_stroke_cred_t private_stroke_cred_t;
+
+/**
+ * private data of stroke_cred
+ */
+struct private_stroke_cred_t {
+
+	/**
+	 * public functions
+	 */
+	stroke_cred_t public;
+	
+	/**
+	 * list of trusted peer/signer/CA certificates (certificate_t)
+	 */
+	linked_list_t *certs;
+
+	/**
+	 * list of shared secrets (private_shared_key_t)
+	 */
+	linked_list_t *shared;
+
+	/**
+	 * list of private keys (private_key_t)
+	 */
+	linked_list_t *private;
+	
+	/**
+	 * mutex to lock lists above
+	 */
+	mutex_t *mutex;
+	
+	/**
+	 * cache CRLs to disk?
+	 */
+	bool cachecrl;
+};
+
+/**
+ * data to pass to various filters
+ */
+typedef struct {
+	private_stroke_cred_t *this;
+	identification_t *id;
+} id_data_t;
+
+/**
+ * destroy id enumerator data and unlock list
+ */
+static void id_data_destroy(id_data_t *data)
+{
+	data->this->mutex->unlock(data->this->mutex);
+	free(data);
+}
+
+/**
+ * filter function for private key enumerator
+ */
+static bool private_filter(id_data_t *data,
+						   private_key_t **in, private_key_t **out)
+{
+	identification_t *candidate;
+	id_type_t type;
+	
+	if (data->id == NULL)
+	{
+		*out = *in;
+		return TRUE;
+	}
+	type = data->id->get_type(data->id);
+	if (type == ID_KEY_ID)
+	{	/* handle ID_KEY_ID as a ID_PUBKEY_SHA1 */
+		type = ID_PUBKEY_SHA1;
+	}
+	candidate = (*in)->get_id(*in, type);
+	if (candidate &&
+		chunk_equals(candidate->get_encoding(candidate),
+					 data->id->get_encoding(data->id)))
+	{
+		*out = *in;
+		return TRUE;
+	}
+	return FALSE;
+}
+
+/**
+ * Implements credential_set_t.create_private_enumerator
+ */
+static enumerator_t* create_private_enumerator(private_stroke_cred_t *this,
+							key_type_t type, identification_t *id)
+{
+	id_data_t *data;
+
+	data = malloc_thing(id_data_t);
+	data->this = this;
+	data->id = id;
+	
+	this->mutex->lock(this->mutex);
+	return enumerator_create_filter(this->private->create_enumerator(this->private),
+									(void*)private_filter, data,
+									(void*)id_data_destroy);
+}
+
+/**
+ * filter function for certs enumerator
+ */
+static bool certs_filter(id_data_t *data, certificate_t **in, certificate_t **out)
+{
+	public_key_t *public;
+	identification_t *candidate;
+	certificate_t *cert = *in;
+	certificate_type_t type = cert->get_type(cert);
+
+	if (type == CERT_X509_CRL || type == CERT_X509_AC)
+	{
+		return FALSE;
+	}
+
+	if (data->id == NULL || cert->has_subject(cert, data->id))
+	{
+		*out = *in;
+		return TRUE;
+	}
+	
+	public = (cert)->get_public_key(cert);
+	if (public)
+	{
+		candidate = public->get_id(public, data->id->get_type(data->id));
+		if (candidate && data->id->equals(data->id, candidate))
+		{
+			public->destroy(public);
+			*out = *in;
+			return TRUE;
+		}
+		public->destroy(public);
+	}
+	return FALSE;
+}
+
+/**
+ * filter function for crl enumerator
+ */
+static bool crl_filter(id_data_t *data, certificate_t **in, certificate_t **out)
+{
+	certificate_t *cert = *in;
+	
+	if (cert->get_type(cert) != CERT_X509_CRL)
+	{
+		return FALSE;
+	}
+
+	if (data->id == NULL || cert->has_issuer(cert, data->id))
+	{
+		*out = *in;
+		return TRUE;
+	}
+	return FALSE;
+}
+
+/**
+ * filter function for attribute certificate enumerator
+ */
+static bool ac_filter(id_data_t *data, certificate_t **in, certificate_t **out)
+{
+	certificate_t *cert = *in;
+	
+	if (cert->get_type(cert) != CERT_X509_AC)
+	{
+		return FALSE;
+	}
+
+	if (data->id == NULL || cert->has_subject(cert, data->id))
+	{
+		*out = *in;
+		return TRUE;
+	}
+	return FALSE;
+}
+
+/**
+ * Implements credential_set_t.create_cert_enumerator
+ */
+static enumerator_t* create_cert_enumerator(private_stroke_cred_t *this,
+							certificate_type_t cert, key_type_t key,
+							identification_t *id, bool trusted)
+{
+	id_data_t *data;
+	
+	if (cert == CERT_X509_CRL || cert == CERT_X509_AC)
+	{
+		if (trusted)
+		{
+			return NULL;
+		}
+		data = malloc_thing(id_data_t);
+		data->this = this;
+		data->id = id;
+		
+		this->mutex->lock(this->mutex);
+		return enumerator_create_filter(this->certs->create_enumerator(this->certs),
+					(cert == CERT_X509_CRL)? (void*)crl_filter : (void*)ac_filter,
+					data, (void*)id_data_destroy);
+	}
+	if (cert != CERT_X509 && cert != CERT_ANY)
+	{	/* we only have X509 certificates. TODO: ACs? */
+		return NULL;
+	}
+	data = malloc_thing(id_data_t);
+	data->this = this;
+	data->id = id;
+	
+	this->mutex->lock(this->mutex);
+	return enumerator_create_filter(this->certs->create_enumerator(this->certs),
+									(void*)certs_filter, data,
+									(void*)id_data_destroy);
+}
+
+typedef struct {
+	private_stroke_cred_t *this;
+	identification_t *me;
+	identification_t *other;
+	shared_key_type_t type;
+} shared_data_t;
+
+/**
+ * free shared key enumerator data and unlock list
+ */
+static void shared_data_destroy(shared_data_t *data)
+{
+	data->this->mutex->unlock(data->this->mutex);
+	free(data);
+}
+
+/**
+ * filter function for certs enumerator
+ */
+static bool shared_filter(shared_data_t *data,
+						  stroke_shared_key_t **in, shared_key_t **out,
+						  void **unused1, id_match_t *me,
+						  void **unused2, id_match_t *other)
+{
+	id_match_t my_match, other_match;
+	stroke_shared_key_t *stroke = *in;
+	shared_key_t *shared = &stroke->shared;
+
+	if (data->type != SHARED_ANY && shared->get_type(shared) != data->type)
+	{
+		return FALSE;
+	}
+	
+	my_match = stroke->has_owner(stroke, data->me);
+	other_match = stroke->has_owner(stroke, data->other);
+	if (!my_match && !other_match)
+	{
+		return FALSE;
+	}
+	*out = shared;
+	if (me)
+	{
+		*me = my_match;
+	}
+	if (other)
+	{
+		*other = other_match;
+	}
+	return TRUE;
+}
+
+/**
+ * Implements credential_set_t.create_shared_enumerator
+ */
+static enumerator_t* create_shared_enumerator(private_stroke_cred_t *this, 
+							shared_key_type_t type,	identification_t *me,
+							identification_t *other)
+{
+	shared_data_t *data = malloc_thing(shared_data_t);
+	
+	data->this = this;
+	data->me = me;
+	data->other = other;
+	data->type = type;
+	this->mutex->lock(this->mutex);
+	return enumerator_create_filter(this->shared->create_enumerator(this->shared),
+									(void*)shared_filter, data,
+									(void*)shared_data_destroy);
+}
+
+/**
+ * Add a certificate to chain
+ */
+static certificate_t* add_cert(private_stroke_cred_t *this, certificate_t *cert)
+{
+	certificate_t *current;
+	enumerator_t *enumerator;
+	bool new = TRUE;	
+
+	this->mutex->lock(this->mutex);
+	enumerator = this->certs->create_enumerator(this->certs);
+	while (enumerator->enumerate(enumerator, (void**)&current))
+	{
+		if (current->equals(current, cert))
+		{
+			/* cert already in queue */
+			cert->destroy(cert);
+			cert = current;
+			new = FALSE;
+			break;
+		}
+	}
+	enumerator->destroy(enumerator);
+
+	if (new)
+	{
+		this->certs->insert_last(this->certs, cert);
+	}
+	this->mutex->unlock(this->mutex);
+	return cert;
+}
+	
+/**
+ * Implementation of stroke_cred_t.load_ca.
+ */
+static certificate_t* load_ca(private_stroke_cred_t *this, char *filename)
+{
+	certificate_t *cert;
+	char path[PATH_MAX];
+	
+	if (*filename == '/')
+	{
+		snprintf(path, sizeof(path), "%s", filename);
+	}
+	else
+	{
+		snprintf(path, sizeof(path), "%s/%s", CA_CERTIFICATE_DIR, filename);
+	}
+	
+	cert = lib->creds->create(lib->creds,
+							  CRED_CERTIFICATE, CERT_X509,
+							  BUILD_FROM_FILE, path,
+							  BUILD_X509_FLAG, X509_CA,
+							  BUILD_END);
+	if (cert)
+	{
+		return (certificate_t*)add_cert(this, cert);
+	}
+	return NULL;
+}
+
+/**
+ * Add X.509 CRL to chain
+ */
+static bool add_crl(private_stroke_cred_t *this, crl_t* crl)
+{
+	certificate_t *current, *cert = &crl->certificate;
+	enumerator_t *enumerator;
+	bool new = TRUE, found = FALSE;	
+
+	this->mutex->lock(this->mutex);
+	enumerator = this->certs->create_enumerator(this->certs);
+	while (enumerator->enumerate(enumerator, (void**)&current))
+	{
+		if (current->get_type(current) == CERT_X509_CRL)
+		{
+			crl_t *crl_c = (crl_t*)current;
+			identification_t *authkey = crl->get_authKeyIdentifier(crl);
+			identification_t *authkey_c = crl_c->get_authKeyIdentifier(crl_c);
+
+			/* if compare authorityKeyIdentifiers if available */
+			if (authkey != NULL && authkey_c != NULL &&
+				authkey->equals(authkey, authkey_c))
+			{
+				found = TRUE;
+			}
+			else
+			{
+				identification_t *issuer = cert->get_issuer(cert);
+				identification_t *issuer_c = current->get_issuer(current);
+
+				/* otherwise compare issuer distinguished names */
+				if (issuer->equals(issuer, issuer_c))
+				{
+					found = TRUE;
+				}
+			}
+			if (found)
+			{
+				new = cert->is_newer(cert, current);
+				if (new)
+				{
+					this->certs->remove_at(this->certs, enumerator);
+				}
+				else
+				{
+					cert->destroy(cert);
+				}
+				break;
+			}
+		}
+	}
+	enumerator->destroy(enumerator);
+
+	if (new)
+	{
+		this->certs->insert_last(this->certs, cert);
+	}
+	this->mutex->unlock(this->mutex);
+	return new;
+}
+
+/**
+ * Add X.509 attribute certificate to chain
+ */
+static bool add_ac(private_stroke_cred_t *this, ac_t* ac)
+{
+	certificate_t *cert = &ac->certificate;
+
+	this->mutex->lock(this->mutex);
+	this->certs->insert_last(this->certs, cert);
+	this->mutex->unlock(this->mutex);
+	return TRUE;
+}
+
+/**
+ * Implementation of stroke_cred_t.load_peer.
+ */
+static certificate_t* load_peer(private_stroke_cred_t *this, char *filename)
+{
+	certificate_t *cert;
+	char path[PATH_MAX];
+
+	if (*filename == '/')
+	{
+		snprintf(path, sizeof(path), "%s", filename);
+	}
+	else
+	{
+		snprintf(path, sizeof(path), "%s/%s", CERTIFICATE_DIR, filename);
+	}
+	
+	cert = lib->creds->create(lib->creds,
+							  CRED_CERTIFICATE, CERT_X509,
+							  BUILD_FROM_FILE, path,
+							  BUILD_X509_FLAG, 0,
+							  BUILD_END);
+	if (cert)
+	{
+		cert = add_cert(this, cert);
+		return cert->get_ref(cert);
+	}
+	return NULL;
+}
+
+/**
+ * load trusted certificates from a directory
+ */
+static void load_certdir(private_stroke_cred_t *this, char *path,
+						 certificate_type_t type, x509_flag_t flag)
+{
+	struct stat st;
+	char *file;
+	
+	enumerator_t *enumerator = enumerator_create_directory(path);
+
+	if (!enumerator)
+	{
+		DBG1(DBG_CFG, "  reading directory failed");
+		return;
+	}
+
+	while (enumerator->enumerate(enumerator, NULL, &file, &st))
+	{
+		certificate_t *cert;
+
+		if (!S_ISREG(st.st_mode))
+		{
+			/* skip special file */
+			continue;
+		}
+		switch (type)
+		{
+			case CERT_X509:
+				cert = lib->creds->create(lib->creds,
+										  CRED_CERTIFICATE, CERT_X509,
+										  BUILD_FROM_FILE, file,
+										  BUILD_X509_FLAG, flag,
+										  BUILD_END);
+				if (cert)
+				{
+					add_cert(this, cert);
+				}
+				break;
+			case CERT_X509_CRL:
+				cert = lib->creds->create(lib->creds,
+										  CRED_CERTIFICATE, CERT_X509_CRL,
+										  BUILD_FROM_FILE, file,
+										  BUILD_END);
+				if (cert)
+				{
+					add_crl(this, (crl_t*)cert);
+				}
+				break;
+			case CERT_X509_AC:
+				cert = lib->creds->create(lib->creds,
+										  CRED_CERTIFICATE, CERT_X509_AC,
+										  BUILD_FROM_FILE, file,
+										  BUILD_END);
+				if (cert)
+				{
+					add_ac(this, (ac_t*)cert);
+				}
+				break;
+			default:
+				break;	
+		}
+	}
+	enumerator->destroy(enumerator);
+}
+
+/**
+ * Implementation of credential_set_t.cache_cert.
+ */
+static void cache_cert(private_stroke_cred_t *this, certificate_t *cert)
+{
+	if (cert->get_type(cert) == CERT_X509_CRL && this->cachecrl)
+	{
+		/* CRLs get written to /etc/ipsec.d/crls/authkeyId.crl */
+		crl_t *crl = (crl_t*)cert;
+	
+		cert->get_ref(cert);
+		if (add_crl(this, crl))
+		{
+			char buf[256];
+			chunk_t chunk, hex;
+			identification_t *id;
+			
+			id = crl->get_authKeyIdentifier(crl);
+			chunk = id->get_encoding(id);
+			hex = chunk_to_hex(chunk, NULL, FALSE);
+			snprintf(buf, sizeof(buf), "%s/%s.crl", CRL_DIR, hex);
+			free(hex.ptr);
+			
+			chunk = cert->get_encoding(cert);
+			if (chunk_write(chunk, buf, 022, TRUE))
+			{
+				DBG1(DBG_CFG, "  written crl to '%s'", buf);
+			}
+			else
+			{
+				DBG1(DBG_CFG, "  writing crl to '%s' failed", buf);
+			}
+			free(chunk.ptr);
+		}
+	}
+}
+
+/**
+ * Implementation of stroke_cred_t.cachecrl.
+ */
+static void cachecrl(private_stroke_cred_t *this, bool enabled)
+{
+	DBG1(DBG_CFG, "crl caching to %s %s",
+		 CRL_DIR, enabled ? "enabled" : "disabled");
+	this->cachecrl = enabled;
+}
+
+
+/**
+ * Convert a string of characters into a binary secret
+ * A string between single or double quotes is treated as ASCII characters
+ * A string prepended by 0x is treated as HEX and prepended by 0s as Base64
+ */
+static err_t extract_secret(chunk_t *secret, chunk_t *line)
+{
+	chunk_t raw_secret;
+	char delimiter = ' ';
+	bool quotes = FALSE;
+
+	if (!eat_whitespace(line))
+	{
+		return "missing secret";
+	}
+
+	if (*line->ptr == '\'' || *line->ptr == '"')
+	{
+		quotes = TRUE;
+		delimiter = *line->ptr;
+		line->ptr++;  line->len--;
+	}
+
+	if (!extract_token(&raw_secret, delimiter, line))
+	{
+		if (delimiter == ' ')
+		{
+			raw_secret = *line;
+		}
+		else
+		{
+			return "missing second delimiter";
+		}
+	}
+
+	if (quotes)
+	{	
+		/* treat as an ASCII string */
+		*secret = chunk_clone(raw_secret);
+		return NULL;
+	}
+	/* treat 0x as hex, 0s as base64 */
+	if (raw_secret.len > 2)
+	{
+		if (strncasecmp("0x", raw_secret.ptr, 2) == 0)
+		{
+			*secret = chunk_from_hex(chunk_skip(raw_secret, 2), NULL);
+			return NULL;
+		}
+		if (strncasecmp("0s", raw_secret.ptr, 2) == 0)
+		{
+			*secret = chunk_from_base64(chunk_skip(raw_secret, 2), NULL);
+			return NULL;
+		}
+	}
+	*secret = chunk_clone(raw_secret);
+	return NULL;
+}
+
+/**
+ * reload ipsec.secrets
+ */
+static void load_secrets(private_stroke_cred_t *this)
+{
+	size_t bytes;
+	int line_nr = 0;
+	chunk_t chunk, src, line;
+	FILE *fd;
+	private_key_t *private;
+	shared_key_t *shared;
+
+	DBG1(DBG_CFG, "loading secrets from '%s'", SECRETS_FILE);
+
+	fd = fopen(SECRETS_FILE, "r");
+	if (fd == NULL)
+	{
+		DBG1(DBG_CFG, "opening secrets file '%s' failed");
+		return;
+	}
+
+	/* TODO: do error checks */
+	fseek(fd, 0, SEEK_END);
+	chunk.len = ftell(fd);
+	rewind(fd);
+	chunk.ptr = malloc(chunk.len);
+	bytes = fread(chunk.ptr, 1, chunk.len, fd);
+	fclose(fd);
+	src = chunk;
+
+	this->mutex->lock(this->mutex);
+	while (this->shared->remove_last(this->shared,
+		 								   (void**)&shared) == SUCCESS)
+	{
+		shared->destroy(shared);
+	}
+	while (this->private->remove_last(this->private,
+		 								    (void**)&private) == SUCCESS)
+	{
+		private->destroy(private);
+	}
+	
+	while (fetchline(&src, &line))
+	{
+		chunk_t ids, token;
+		shared_key_type_t type;
+
+		line_nr++;
+
+		if (!eat_whitespace(&line))
+		{
+			continue;
+		}
+		if (!extract_last_token(&ids, ':', &line))
+		{
+			DBG1(DBG_CFG, "line %d: missing ':' separator", line_nr);
+			goto error;
+		}
+		/* NULL terminate the ids string by replacing the : separator */
+		*(ids.ptr + ids.len) = '\0';
+
+		if (!eat_whitespace(&line) || !extract_token(&token, ' ', &line))
+		{
+			DBG1(DBG_CFG, "line %d: missing token", line_nr);
+			goto error;
+		}
+		if (match("RSA", &token) || match("ECDSA", &token))
+		{
+			char path[PATH_MAX];
+			chunk_t filename;
+			chunk_t secret = chunk_empty;
+			private_key_t *key;
+			bool pgp = FALSE;
+			chunk_t chunk = chunk_empty;
+			key_type_t key_type = match("RSA", &token) ? KEY_RSA : KEY_ECDSA;
+
+			err_t ugh = extract_value(&filename, &line);
+
+			if (ugh != NULL)
+			{
+				DBG1(DBG_CFG, "line %d: %s", line_nr, ugh);
+				goto error;
+			}
+			if (filename.len == 0)
+			{
+				DBG1(DBG_CFG, "line %d: empty filename", line_nr);
+				goto error;
+			}
+			if (*filename.ptr == '/')
+			{
+				/* absolute path name */
+				snprintf(path, sizeof(path), "%.*s", filename.len, filename.ptr);
+			}
+			else
+			{
+				/* relative path name */
+				snprintf(path, sizeof(path), "%s/%.*s", PRIVATE_KEY_DIR, 
+						 filename.len, filename.ptr);
+			}
+
+			/* check for optional passphrase */
+			if (eat_whitespace(&line))
+			{
+				ugh = extract_secret(&secret, &line);
+				if (ugh != NULL)
+				{
+					DBG1(DBG_CFG, "line %d: malformed passphrase: %s", line_nr, ugh);
+					goto error;
+				}
+			}
+
+			if (pem_asn1_load_file(path, &secret, &chunk, &pgp))
+			{
+				key = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, key_type,
+										 BUILD_BLOB_ASN1_DER, chunk, BUILD_END);
+				if (key)
+				{
+					DBG1(DBG_CFG, "  loaded private key file '%s'", path);
+					this->private->insert_last(this->private, key);
+				}
+			}
+			chunk_clear(&secret);
+		}
+		else if ((match("PSK", &token) && (type = SHARED_IKE)) ||
+				 (match("EAP", &token) && (type = SHARED_EAP)) ||
+				 (match("XAUTH", &token) && (type = SHARED_EAP)) ||
+				 (match("PIN", &token) && (type = SHARED_PIN)))
+		{
+			stroke_shared_key_t *shared_key;
+			chunk_t secret = chunk_empty;
+			bool any = TRUE;
+
+			err_t ugh = extract_secret(&secret, &line);
+			if (ugh != NULL)
+			{
+				DBG1(DBG_CFG, "line %d: malformed secret: %s", line_nr, ugh);
+				goto error;
+			}
+			shared_key = stroke_shared_key_create(type, secret);
+			DBG1(DBG_CFG, "  loaded %N secret for %s", shared_key_type_names, type,
+				 ids.len > 0 ? (char*)ids.ptr : "%any");
+			DBG4(DBG_CFG, "  secret: %#B", &secret);
+			
+			this->shared->insert_last(this->shared, shared_key);
+			while (ids.len > 0)
+			{
+				chunk_t id;
+				identification_t *peer_id;
+
+				ugh = extract_value(&id, &ids);
+				if (ugh != NULL)
+				{
+					DBG1(DBG_CFG, "line %d: %s", line_nr, ugh);
+					goto error;
+				}
+				if (id.len == 0)
+				{
+					continue;
+				}
+
+				/* NULL terminate the ID string */
+				*(id.ptr + id.len) = '\0';
+
+				peer_id = identification_create_from_string(id.ptr);
+				if (peer_id == NULL)
+				{
+					DBG1(DBG_CFG, "line %d: malformed ID: %s", line_nr, id.ptr);
+					goto error;
+				}
+				if (peer_id->get_type(peer_id) == ID_ANY)
+				{
+					peer_id->destroy(peer_id);
+					continue;
+				}
+				
+				shared_key->add_owner(shared_key, peer_id);
+				any = FALSE;
+			}
+			if (any)
+			{
+				shared_key->add_owner(shared_key,
+					identification_create_from_encoding(ID_ANY, chunk_empty));
+			}
+		}
+		else
+		{
+			DBG1(DBG_CFG, "line %d: token must be either "
+				 "RSA, EC, PSK, EAP, or PIN", line_nr);
+			goto error;
+		}
+	}
+error:
+	this->mutex->unlock(this->mutex);
+	chunk_clear(&chunk);
+}
+
+/**
+ * load all certificates from ipsec.d
+ */
+static void load_certs(private_stroke_cred_t *this)
+{
+	DBG1(DBG_CFG, "loading ca certificates from '%s'",
+		 CA_CERTIFICATE_DIR);
+	load_certdir(this, CA_CERTIFICATE_DIR, CERT_X509, X509_CA);
+
+	DBG1(DBG_CFG, "loading aa certificates from '%s'",
+		 AA_CERTIFICATE_DIR);
+	load_certdir(this, AA_CERTIFICATE_DIR, CERT_X509, X509_AA);
+
+	DBG1(DBG_CFG, "loading ocsp signer certificates from '%s'",
+		 OCSP_CERTIFICATE_DIR);
+	load_certdir(this, OCSP_CERTIFICATE_DIR, CERT_X509, X509_OCSP_SIGNER);
+
+	DBG1(DBG_CFG, "loading attribute certificates from '%s'",
+		 ATTR_CERTIFICATE_DIR);
+	load_certdir(this, ATTR_CERTIFICATE_DIR, CERT_X509_AC, 0);
+
+	DBG1(DBG_CFG, "loading crls from '%s'",
+		 CRL_DIR);
+	load_certdir(this, CRL_DIR, CERT_X509_CRL, 0);
+}
+
+/**
+ * Implementation of stroke_cred_t.reread.
+ */
+static void reread(private_stroke_cred_t *this, stroke_msg_t *msg)
+{
+	if (msg->reread.flags & REREAD_SECRETS)
+	{
+		DBG1(DBG_CFG, "rereading secrets");
+		load_secrets(this);
+	}
+	if (msg->reread.flags & REREAD_CACERTS)
+	{
+		DBG1(DBG_CFG, "rereading ca certificates from '%s'",
+			 CA_CERTIFICATE_DIR);
+		load_certdir(this, CA_CERTIFICATE_DIR, CERT_X509, X509_CA);
+	}
+	if (msg->reread.flags & REREAD_OCSPCERTS)
+	{
+		DBG1(DBG_CFG, "rereading ocsp signer certificates from '%s'",
+			 OCSP_CERTIFICATE_DIR);
+		load_certdir(this, OCSP_CERTIFICATE_DIR, CERT_X509,
+			 X509_OCSP_SIGNER);
+	}
+	if (msg->reread.flags & REREAD_AACERTS)
+	{
+		DBG1(DBG_CFG, "rereading aa certificates from '%s'",
+			 AA_CERTIFICATE_DIR);
+		load_certdir(this, AA_CERTIFICATE_DIR, CERT_X509, X509_AA);
+	}
+	if (msg->reread.flags & REREAD_ACERTS)
+	{
+		DBG1(DBG_CFG, "rereading attribute certificates from '%s'",
+			 ATTR_CERTIFICATE_DIR);
+		load_certdir(this, ATTR_CERTIFICATE_DIR, CERT_X509_AC, 0);
+	}
+	if (msg->reread.flags & REREAD_CRLS)
+	{
+		DBG1(DBG_CFG, "rereading crls from '%s'",
+			 CRL_DIR);
+		load_certdir(this, CRL_DIR, CERT_X509_CRL, 0);
+	}
+}
+
+/**
+ * Implementation of stroke_cred_t.destroy
+ */
+static void destroy(private_stroke_cred_t *this)
+{
+	this->certs->destroy_offset(this->certs, offsetof(certificate_t, destroy));
+	this->shared->destroy_offset(this->shared, offsetof(shared_key_t, destroy));
+	this->private->destroy_offset(this->private, offsetof(private_key_t, destroy));
+	this->mutex->destroy(this->mutex);
+	free(this);
+}
+
+/*
+ * see header file
+ */
+stroke_cred_t *stroke_cred_create()
+{
+	private_stroke_cred_t *this = malloc_thing(private_stroke_cred_t);
+	
+	this->public.set.create_private_enumerator = (void*)create_private_enumerator;
+	this->public.set.create_cert_enumerator = (void*)create_cert_enumerator;
+	this->public.set.create_shared_enumerator = (void*)create_shared_enumerator;
+	this->public.set.create_cdp_enumerator = (void*)return_null;
+	this->public.set.cache_cert = (void*)cache_cert;
+	this->public.reread = (void(*)(stroke_cred_t*, stroke_msg_t *msg))reread;
+	this->public.load_ca = (certificate_t*(*)(stroke_cred_t*, char *filename))load_ca;
+	this->public.load_peer = (certificate_t*(*)(stroke_cred_t*, char *filename))load_peer;
+	this->public.cachecrl = (void(*)(stroke_cred_t*, bool enabled))cachecrl;
+	this->public.destroy = (void(*)(stroke_cred_t*))destroy;
+	
+	this->certs = linked_list_create();
+	this->shared = linked_list_create();
+	this->private = linked_list_create();
+	this->mutex = mutex_create(MUTEX_RECURSIVE);
+
+	load_certs(this);
+	load_secrets(this);
+	
+	this->cachecrl = FALSE;
+	
+	return &this->public;
+}
+
diff --git a/src/charon/plugins/stroke/stroke_cred.h b/src/charon/plugins/stroke/stroke_cred.h
new file mode 100644
index 000000000..1b9ef986e
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_cred.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+/**
+ * @defgroup stroke_cred stroke_cred
+ * @{ @ingroup stroke
+ */
+
+#ifndef STROKE_CRED_H_
+#define STROKE_CRED_H_
+
+#include <stroke_msg.h>
+#include <credentials/credential_set.h>
+#include <credentials/certificates/certificate.h>
+
+typedef struct stroke_cred_t stroke_cred_t;
+
+/**
+ * Stroke in-memory credential storage.
+ */
+struct stroke_cred_t {
+
+	/**
+	 * Implements credential_set_t
+	 */
+	credential_set_t set;
+	
+	/**
+	 * Reread secrets from config files.
+	 *
+	 * @param msg		stroke message
+	 */
+	void (*reread)(stroke_cred_t *this, stroke_msg_t *msg);
+	
+	/**
+	 * Load a CA certificate, and serve it through the credential_set.
+	 *
+	 * @param filename		file to load CA cert from
+	 * @return				reference to loaded certificate, or NULL
+	 */
+	certificate_t* (*load_ca)(stroke_cred_t *this, char *filename);
+	
+	/**
+	 * Load a peer certificate and serve it rhrough the credential_set.
+	 *
+	 * @param filename		file to load peer cert from
+	 * @return				reference to loaded certificate, or NULL
+	 */
+	certificate_t* (*load_peer)(stroke_cred_t *this, char *filename);
+	
+	/**
+	 * Enable/Disable CRL caching to disk.
+	 *
+	 * @param enabled		TRUE to enable, FALSE to disable
+	 */
+	void (*cachecrl)(stroke_cred_t *this, bool enabled);
+	
+	/**
+     * Destroy a stroke_cred instance.
+     */
+    void (*destroy)(stroke_cred_t *this);
+};
+
+/**
+ * Create a stroke_cred instance.
+ */
+stroke_cred_t *stroke_cred_create();
+
+#endif /* STROKE_CRED_H_ @}*/
diff --git a/src/charon/plugins/stroke/stroke_list.c b/src/charon/plugins/stroke/stroke_list.c
new file mode 100644
index 000000000..44699ba0a
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_list.c
@@ -0,0 +1,729 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#include "stroke_list.h"
+
+#include <daemon.h>
+#include <utils/linked_list.h>
+#include <credentials/certificates/x509.h>
+#include <credentials/certificates/ac.h>
+#include <credentials/certificates/crl.h>
+
+/* warning intervals for list functions */
+#define CERT_WARNING_INTERVAL  30	/* days */
+#define CRL_WARNING_INTERVAL	7	/* days */
+#define AC_WARNING_INTERVAL		1	/* day */
+
+typedef struct private_stroke_list_t private_stroke_list_t;
+
+/**
+ * private data of stroke_list
+ */
+struct private_stroke_list_t {
+
+	/**
+	 * public functions
+	 */
+	stroke_list_t public;
+	
+	/**
+	 * timestamp of daemon start
+	 */
+	time_t uptime;
+};
+
+/**
+ * log an IKE_SA to out
+ */
+static void log_ike_sa(FILE *out, ike_sa_t *ike_sa, bool all)
+{
+	ike_sa_id_t *id = ike_sa->get_id(ike_sa);
+
+	fprintf(out, "%12s[%d]: %N, %H[%D]...%H[%D]\n",
+			ike_sa->get_name(ike_sa), ike_sa->get_unique_id(ike_sa),
+			ike_sa_state_names, ike_sa->get_state(ike_sa),
+			ike_sa->get_my_host(ike_sa), ike_sa->get_my_id(ike_sa),
+			ike_sa->get_other_host(ike_sa), ike_sa->get_other_id(ike_sa));
+	
+	if (all)
+	{
+		char *ike_proposal = ike_sa->get_proposal(ike_sa);
+
+		fprintf(out, "%12s[%d]: IKE SPIs: %.16llx_i%s %.16llx_r%s",
+				ike_sa->get_name(ike_sa), ike_sa->get_unique_id(ike_sa),
+				id->get_initiator_spi(id), id->is_initiator(id) ? "*" : "",
+				id->get_responder_spi(id), id->is_initiator(id) ? "" : "*");
+	
+
+		if (ike_sa->get_state(ike_sa) == IKE_ESTABLISHED)
+		{
+			u_int32_t rekey = ike_sa->get_statistic(ike_sa, STAT_REKEY_TIME);
+			u_int32_t reauth = ike_sa->get_statistic(ike_sa, STAT_REAUTH_TIME);
+
+			if (rekey)
+			{
+				fprintf(out, ", rekeying in %V", &rekey);
+			}
+			if (reauth)
+			{
+				fprintf(out, ", reauthentication in %V", &reauth);
+			}
+			if (!rekey && !reauth)
+			{
+				fprintf(out, ", rekeying disabled");
+			}
+		}
+		fprintf(out, "\n");
+
+		if (ike_proposal)
+		{
+			fprintf(out, "%12s[%d]: IKE proposal: %s\n",
+					ike_sa->get_name(ike_sa), ike_sa->get_unique_id(ike_sa),
+					ike_proposal);
+		}		
+	}
+}
+
+/**
+ * log an CHILD_SA to out
+ */
+static void log_child_sa(FILE *out, child_sa_t *child_sa, bool all)
+{
+	u_int32_t rekey, now = time(NULL);
+	u_int32_t use_in, use_out, use_fwd;
+	encryption_algorithm_t encr_alg;
+	integrity_algorithm_t int_alg;
+	size_t encr_len, int_len;
+	mode_t mode;
+	
+	child_sa->get_stats(child_sa, &mode, &encr_alg, &encr_len,
+						&int_alg, &int_len, &rekey, &use_in, &use_out,
+						&use_fwd);
+	
+	fprintf(out, "%12s{%d}:  %N, %N", 
+			child_sa->get_name(child_sa), child_sa->get_reqid(child_sa),
+			child_sa_state_names, child_sa->get_state(child_sa),
+			mode_names, mode);
+	
+	if (child_sa->get_state(child_sa) == CHILD_INSTALLED)
+	{
+		fprintf(out, ", %N SPIs: %.8x_i %.8x_o",
+				protocol_id_names, child_sa->get_protocol(child_sa),
+				htonl(child_sa->get_spi(child_sa, TRUE)),
+				htonl(child_sa->get_spi(child_sa, FALSE)));
+		
+		if (all)
+		{
+			fprintf(out, "\n%12s{%d}:  ", child_sa->get_name(child_sa), 
+					child_sa->get_reqid(child_sa));
+			
+			
+			if (child_sa->get_protocol(child_sa) == PROTO_ESP)
+			{
+				fprintf(out, "%N", encryption_algorithm_names, encr_alg);
+				
+				if (encr_len)
+				{
+					fprintf(out, "-%d", encr_len);
+				}
+				if (int_alg != AUTH_UNDEFINED)
+				{
+					fprintf(out, "/");
+				}
+			}
+			
+			if (int_alg != AUTH_UNDEFINED)
+			{
+				fprintf(out, "%N", integrity_algorithm_names, int_alg);
+				if (int_len)
+				{
+					fprintf(out, "-%d", int_len);
+				}
+			}
+			fprintf(out, ", rekeying ");
+			
+			if (rekey)
+			{
+				fprintf(out, "in %#V", &now, &rekey);
+			}
+			else
+			{
+				fprintf(out, "disabled");
+			}
+			
+			fprintf(out, ", last use: ");
+			use_in = max(use_in, use_fwd);
+			if (use_in)
+			{
+				fprintf(out, "%ds_i ", now - use_in);
+			}
+			else
+			{
+				fprintf(out, "no_i ");
+			}
+			if (use_out)
+			{
+				fprintf(out, "%ds_o ", now - use_out);
+			}
+			else
+			{
+				fprintf(out, "no_o ");
+			}
+		}
+	}
+	
+	fprintf(out, "\n%12s{%d}:   %#R=== %#R\n",
+			child_sa->get_name(child_sa), child_sa->get_reqid(child_sa),
+			child_sa->get_traffic_selectors(child_sa, TRUE),
+			child_sa->get_traffic_selectors(child_sa, FALSE));
+}
+
+/**
+ * Implementation of stroke_list_t.status.
+ */
+static void status(private_stroke_list_t *this, stroke_msg_t *msg, FILE *out, bool all)
+{
+	enumerator_t *enumerator, *children;
+	iterator_t *iterator;
+	host_t *host;
+	peer_cfg_t *peer_cfg;
+	ike_cfg_t *ike_cfg;
+	child_cfg_t *child_cfg;
+	ike_sa_t *ike_sa;
+	char *name = NULL, *plugin;
+	bool found = FALSE;
+	time_t uptime;
+	
+	name = msg->status.name;
+	
+	if (all)
+	{
+		uptime = time(NULL) - this->uptime;
+		fprintf(out, "Performance:\n");
+		fprintf(out, "  uptime: %V, since %#T\n", &uptime, &this->uptime, FALSE);
+		fprintf(out, "  worker threads: %d idle of %d,",
+				charon->processor->get_idle_threads(charon->processor),
+				charon->processor->get_total_threads(charon->processor));
+		fprintf(out, " job queue load: %d,",
+				charon->processor->get_job_load(charon->processor));
+		fprintf(out, " scheduled events: %d\n",
+				charon->scheduler->get_job_load(charon->scheduler));
+		fprintf(out, "  loaded plugins: ");
+		enumerator = lib->plugins->create_plugin_enumerator(lib->plugins);
+		while (enumerator->enumerate(enumerator, &plugin))
+		{
+			fprintf(out, "%s ", plugin);
+		}
+		enumerator->destroy(enumerator);
+		fprintf(out, "\n");
+		
+		iterator = charon->kernel_interface->create_address_iterator(
+													charon->kernel_interface);
+		fprintf(out, "Listening IP addresses:\n");
+		while (iterator->iterate(iterator, (void**)&host))
+		{
+			fprintf(out, "  %H\n", host);
+		}
+		iterator->destroy(iterator);
+	
+		fprintf(out, "Connections:\n");
+		enumerator = charon->backends->create_peer_cfg_enumerator(charon->backends);
+		while (enumerator->enumerate(enumerator, (void**)&peer_cfg))
+		{
+			if (peer_cfg->get_ike_version(peer_cfg) != 2 ||
+				(name && !streq(name, peer_cfg->get_name(peer_cfg))))
+			{
+				continue;
+			}
+			
+			ike_cfg = peer_cfg->get_ike_cfg(peer_cfg);
+			fprintf(out, "%12s:  %s[%D]...%s[%D]\n", peer_cfg->get_name(peer_cfg),
+					ike_cfg->get_my_addr(ike_cfg), peer_cfg->get_my_id(peer_cfg),
+					ike_cfg->get_other_addr(ike_cfg), peer_cfg->get_other_id(peer_cfg));
+			/* TODO: list CAs and groups */
+			children = peer_cfg->create_child_cfg_enumerator(peer_cfg);
+			while (children->enumerate(children, &child_cfg))
+			{
+				linked_list_t *my_ts, *other_ts;
+				my_ts = child_cfg->get_traffic_selectors(child_cfg, TRUE, NULL, NULL);
+				other_ts = child_cfg->get_traffic_selectors(child_cfg, FALSE, NULL, NULL);
+				fprintf(out, "%12s:    %#R=== %#R\n", child_cfg->get_name(child_cfg),
+						my_ts, other_ts);
+				my_ts->destroy_offset(my_ts, offsetof(traffic_selector_t, destroy));
+				other_ts->destroy_offset(other_ts, offsetof(traffic_selector_t, destroy));
+			}
+			children->destroy(children);
+		}
+		enumerator->destroy(enumerator);
+	}
+	
+	fprintf(out, "Security Associations:\n");
+	enumerator = charon->controller->create_ike_sa_enumerator(charon->controller);
+	while (enumerator->enumerate(enumerator, &ike_sa))
+	{
+		bool ike_printed = FALSE;
+		child_sa_t *child_sa;
+		iterator_t *children = ike_sa->create_child_sa_iterator(ike_sa);
+		
+		if (name == NULL || streq(name, ike_sa->get_name(ike_sa)))
+		{
+			log_ike_sa(out, ike_sa, all);
+			found = TRUE;
+			ike_printed = TRUE;
+		}
+
+		while (children->iterate(children, (void**)&child_sa))
+		{
+			if (name == NULL || streq(name, child_sa->get_name(child_sa)))
+			{
+				if (!ike_printed)
+				{
+					log_ike_sa(out, ike_sa, all);
+					found = TRUE;
+					ike_printed = TRUE;
+				}
+				log_child_sa(out, child_sa, all);
+			}	
+		}
+		children->destroy(children);
+	}
+	enumerator->destroy(enumerator);
+	
+	if (!found)
+	{
+		if (name)
+		{
+			fprintf(out, "  no match\n");
+		}
+		else
+		{
+			fprintf(out, "  none\n");
+		}
+	}
+}
+
+/**
+ * create a unique certificate list without duplicates
+ * certicates having the same issuer are grouped together.
+ */
+static linked_list_t* create_unique_cert_list(certificate_type_t type)
+{
+	linked_list_t *list = linked_list_create();
+	enumerator_t *enumerator = charon->credentials->create_cert_enumerator(
+									charon->credentials, type, KEY_ANY,
+									NULL, FALSE);
+	certificate_t *cert;
+	
+	while (enumerator->enumerate(enumerator, (void**)&cert))
+	{
+		iterator_t *iterator = list->create_iterator(list, TRUE);
+		identification_t *issuer = cert->get_issuer(cert);
+		bool previous_same, same = FALSE, last = TRUE;
+		certificate_t *list_cert;
+		
+		while (iterator->iterate(iterator, (void**)&list_cert))
+		{
+			/* exit if we have a duplicate? */
+			if (list_cert->equals(list_cert, cert))
+			{
+				last = FALSE;
+				break;
+			}
+			/* group certificates with same issuer */
+			previous_same = same;
+			same = list_cert->has_issuer(list_cert, issuer);
+			if (previous_same && !same)
+			{
+				iterator->insert_before(iterator, (void *)cert->get_ref(cert));
+				last = FALSE;
+				break;
+			}
+		}
+		iterator->destroy(iterator);
+
+		if (last)
+		{
+			list->insert_last(list, (void *)cert->get_ref(cert));
+		}
+	}
+	enumerator->destroy(enumerator);
+	return list;
+}
+
+/**
+ * list all X.509 certificates matching the flags
+ */
+static void stroke_list_certs(linked_list_t *list, char *label, 
+							  x509_flag_t flags, bool utc, FILE *out)
+{
+	bool first = TRUE;
+	time_t now = time(NULL);
+	enumerator_t *enumerator = list->create_enumerator(list);
+	certificate_t *cert;
+
+	while (enumerator->enumerate(enumerator, (void**)&cert))
+	{
+		x509_t *x509 = (x509_t*)cert;
+		x509_flag_t x509_flags = x509->get_flags(x509);
+
+		/* list only if flag is set, or flags == 0 (ignoring self-signed) */
+		if ((x509_flags & flags) || (flags == (x509_flags & ~X509_SELF_SIGNED)))
+		{
+			enumerator_t *enumerator;
+			identification_t *altName;
+			bool first_altName = TRUE;
+			chunk_t serial = x509->get_serial(x509);
+			identification_t *authkey = x509->get_authKeyIdentifier(x509);
+			time_t notBefore, notAfter;
+			public_key_t *public = cert->get_public_key(cert);
+
+			if (first)
+			{
+				fprintf(out, "\n");
+				fprintf(out, "List of %s:\n", label);
+				first = FALSE;
+			}
+			fprintf(out, "\n");
+
+			/* list subjectAltNames */
+			enumerator = x509->create_subjectAltName_enumerator(x509);
+			while (enumerator->enumerate(enumerator, (void**)&altName))
+			{
+				if (first_altName)
+				{
+					fprintf(out, "  altNames:  ");
+					first_altName = FALSE;
+				}
+				else
+				{
+					fprintf(out, ", ");
+				}
+				fprintf(out, "%D", altName);
+			}
+			if (!first_altName)
+			{
+				fprintf(out, "\n");
+			}
+			enumerator->destroy(enumerator);
+
+			fprintf(out, "  subject:  \"%D\"\n", cert->get_subject(cert));
+			fprintf(out, "  issuer:   \"%D\"\n", cert->get_issuer(cert));
+			fprintf(out, "  serial:    %#B\n", &serial);
+
+			/* list validity */
+			cert->get_validity(cert, &now, &notBefore, &notAfter);
+			fprintf(out, "  validity:  not before %#T, ", &notBefore, utc);
+			if (now < notBefore)
+			{
+				fprintf(out, "not valid yet (valid in %#V)\n", &now, &notBefore);
+			}
+			else
+			{
+				fprintf(out, "ok\n");
+			}
+			fprintf(out, "             not after  %#T, ", &notAfter, utc);
+			if (now > notAfter)
+			{
+				fprintf(out, "expired (%#V ago)\n", &now, &notAfter);
+			}
+			else
+			{
+				fprintf(out, "ok");
+				if (now > notAfter - CERT_WARNING_INTERVAL * 60 * 60 * 24)
+				{
+					fprintf(out, " (expires in %#V)", &now, &notAfter);
+				}
+				fprintf(out, " \n");
+			}
+	
+			/* list public key information */
+			if (public)
+			{
+				private_key_t *private = NULL;
+				identification_t *id, *keyid;
+			
+				id    = public->get_id(public, ID_PUBKEY_SHA1);
+				keyid = public->get_id(public, ID_PUBKEY_INFO_SHA1);
+
+				private = charon->credentials->get_private(
+									charon->credentials, 
+									public->get_type(public), keyid, NULL);
+				fprintf(out, "  pubkey:    %N %d bits%s\n",
+						key_type_names, public->get_type(public),
+						public->get_keysize(public) * 8,
+						private ? ", has private key" : "");
+				fprintf(out, "  keyid:     %D\n", keyid);
+				fprintf(out, "  subjkey:   %D\n", id);
+				DESTROY_IF(private);
+				public->destroy(public);
+			}
+	
+			/* list optional authorityKeyIdentifier */
+			if (authkey)
+			{
+				fprintf(out, "  authkey:   %D\n", authkey);
+			}
+		}
+	}
+	enumerator->destroy(enumerator);
+}
+
+/**
+ * list all X.509 attribute certificates
+ */
+static void stroke_list_acerts(linked_list_t *list, bool utc, FILE *out)
+{
+	bool first = TRUE;
+	time_t thisUpdate, nextUpdate, now = time(NULL);
+	enumerator_t *enumerator = list->create_enumerator(list);
+	certificate_t *cert;
+
+	while (enumerator->enumerate(enumerator, (void**)&cert))
+	{
+		ac_t *ac = (ac_t*)cert;
+		chunk_t serial  = ac->get_serial(ac);
+		chunk_t holderSerial = ac->get_holderSerial(ac);
+		identification_t *holderIssuer = ac->get_holderIssuer(ac);
+		identification_t *authkey = ac->get_authKeyIdentifier(ac);
+		identification_t *entityName = cert->get_subject(cert);
+
+		if (first)
+		{
+			fprintf(out, "\n");
+			fprintf(out, "List of X.509 Attribute Certificates:\n");
+			first = FALSE;
+		}
+		fprintf(out, "\n");
+
+		if (entityName)
+		{
+			fprintf(out, "  holder:   \"%D\"\n", entityName);
+		}
+		if (holderIssuer)
+		{
+			fprintf(out, "  hissuer:  \"%D\"\n", holderIssuer);
+		}
+		if (holderSerial.ptr)
+		{
+			fprintf(out, "  hserial:   %#B\n", &holderSerial);
+		}
+		fprintf(out, "  issuer:   \"%D\"\n", cert->get_issuer(cert));
+		fprintf(out, "  serial:    %#B\n", &serial);
+
+		/* list validity */
+		cert->get_validity(cert, &now, &thisUpdate, &nextUpdate);
+		fprintf(out, "  updates:   this %#T\n",  &thisUpdate, utc);
+		fprintf(out, "             next %#T, ", &nextUpdate, utc);
+		if (now > nextUpdate)
+		{
+			fprintf(out, "expired (%#V ago)\n", &now, &nextUpdate);
+		}
+		else
+		{
+			fprintf(out, "ok");
+			if (now > nextUpdate - AC_WARNING_INTERVAL * 60 * 60 * 24)
+			{
+				fprintf(out, " (expires in %#V)", &now, &nextUpdate);
+			}
+			fprintf(out, " \n");
+		}
+
+		/* list optional authorityKeyIdentifier */
+		if (authkey)
+		{
+			fprintf(out, "  authkey:   %D\n", authkey);
+		}
+	}
+	enumerator->destroy(enumerator);
+}
+
+/**
+ * list all X.509 CRLs
+ */
+static void stroke_list_crls(linked_list_t *list, bool utc, FILE *out)
+{
+	bool first = TRUE;
+	time_t thisUpdate, nextUpdate, now = time(NULL);
+	enumerator_t *enumerator = list->create_enumerator(list);
+	certificate_t *cert;
+	
+	while (enumerator->enumerate(enumerator, (void**)&cert))
+	{
+		crl_t *crl = (crl_t*)cert;
+		chunk_t serial  = crl->get_serial(crl);
+		identification_t *authkey = crl->get_authKeyIdentifier(crl);
+
+		if (first)
+		{
+			fprintf(out, "\n");
+			fprintf(out, "List of X.509 CRLs:\n");
+			first = FALSE;
+		}
+		fprintf(out, "\n");
+
+		fprintf(out, "  issuer:   \"%D\"\n", cert->get_issuer(cert));
+
+		/* list optional crlNumber */
+		if (serial.ptr)
+		{
+			fprintf(out, "  serial:    %#B\n", &serial);
+		}
+
+		/* count the number of revoked certificates */
+		{
+			int count = 0;
+			enumerator_t *enumerator = crl->create_enumerator(crl);
+
+			while (enumerator->enumerate(enumerator, NULL, NULL, NULL))
+			{
+				count++;
+			}
+			fprintf(out, "  revoked:   %d certificate%s\n", count,
+							(count == 1)? "" : "s");
+			enumerator->destroy(enumerator);
+		}
+
+		/* list validity */
+		cert->get_validity(cert, &now, &thisUpdate, &nextUpdate);
+		fprintf(out, "  updates:   this %#T\n",  &thisUpdate, utc);
+		fprintf(out, "             next %#T, ", &nextUpdate, utc);
+		if (now > nextUpdate)
+		{
+			fprintf(out, "expired (%#V ago)\n", &now, &nextUpdate);
+		}
+		else
+		{
+			fprintf(out, "ok");
+			if (now > nextUpdate - CRL_WARNING_INTERVAL * 60 * 60 * 24)
+			{
+				fprintf(out, " (expires in %#V)", &now, &nextUpdate);
+			}
+			fprintf(out, " \n");
+		}
+
+		/* list optional authorityKeyIdentifier */
+		if (authkey)
+		{
+			fprintf(out, "  authkey:   %D\n", authkey);
+		}
+	}
+	enumerator->destroy(enumerator);
+}
+
+/**
+ * list all OCSP responses
+ */
+static void stroke_list_ocsp(linked_list_t* list, bool utc, FILE *out)
+{
+	bool first = TRUE;
+	enumerator_t *enumerator = list->create_enumerator(list);
+	certificate_t *cert;
+	
+	while (enumerator->enumerate(enumerator, (void**)&cert))
+	{
+		if (first)
+		{
+			fprintf(out, "\n");
+			fprintf(out, "List of OCSP responses:\n");
+			fprintf(out, "\n");
+			first = FALSE;
+		}
+
+		fprintf(out, "  signer:   \"%D\"\n", cert->get_issuer(cert));
+	}
+	enumerator->destroy(enumerator);
+}
+
+/**
+ * Implementation of stroke_list_t.list.
+ */
+static void list(private_stroke_list_t *this, stroke_msg_t *msg, FILE *out)
+{
+	linked_list_t *cert_list = NULL;
+
+	if (msg->list.flags & (LIST_CERTS | LIST_CACERTS | LIST_OCSPCERTS | LIST_AACERTS))
+	{
+		cert_list = create_unique_cert_list(CERT_X509);
+	}
+	if (msg->list.flags & LIST_CERTS)
+	{
+		stroke_list_certs(cert_list, "X.509 End Entity Certificates",
+						  0, msg->list.utc, out);
+	}
+	if (msg->list.flags & LIST_CACERTS)
+	{
+		stroke_list_certs(cert_list, "X.509 CA Certificates",
+						  X509_CA, msg->list.utc, out);
+	}
+	if (msg->list.flags & LIST_OCSPCERTS)
+	{
+		stroke_list_certs(cert_list, "X.509 OCSP Signer Certificates",
+						  X509_OCSP_SIGNER, msg->list.utc, out);
+	}
+	if (msg->list.flags & LIST_AACERTS)
+	{
+		stroke_list_certs(cert_list, "X.509 AA Certificates",
+						  X509_AA, msg->list.utc, out);
+	}
+	if (msg->list.flags & LIST_ACERTS)
+	{
+		linked_list_t *ac_list = create_unique_cert_list(CERT_X509_AC);
+
+		stroke_list_acerts(ac_list, msg->list.utc, out);
+		ac_list->destroy_offset(ac_list, offsetof(certificate_t, destroy)); 
+	}
+	if (msg->list.flags & LIST_CRLS)
+	{
+		linked_list_t *crl_list = create_unique_cert_list(CERT_X509_CRL);
+
+		stroke_list_crls(crl_list, msg->list.utc, out);
+		crl_list->destroy_offset(crl_list, offsetof(certificate_t, destroy)); 
+	}
+	if (msg->list.flags & LIST_OCSP)
+	{
+		linked_list_t *ocsp_list = create_unique_cert_list(CERT_X509_OCSP_RESPONSE);
+
+		stroke_list_ocsp(ocsp_list, msg->list.utc, out);
+		ocsp_list->destroy_offset(ocsp_list, offsetof(certificate_t, destroy)); 
+	}
+	DESTROY_OFFSET_IF(cert_list, offsetof(certificate_t, destroy));
+}
+
+/**
+ * Implementation of stroke_list_t.destroy
+ */
+static void destroy(private_stroke_list_t *this)
+{
+	free(this);
+}
+
+/*
+ * see header file
+ */
+stroke_list_t *stroke_list_create()
+{
+	private_stroke_list_t *this = malloc_thing(private_stroke_list_t);
+	
+	this->public.list = (void(*)(stroke_list_t*, stroke_msg_t *msg, FILE *out))list;
+	this->public.status = (void(*)(stroke_list_t*, stroke_msg_t *msg, FILE *out,bool))status;
+	this->public.destroy = (void(*)(stroke_list_t*))destroy;
+	
+	this->uptime = time(NULL);
+	
+	return &this->public;
+}
+
diff --git a/src/charon/plugins/stroke/stroke_list.h b/src/charon/plugins/stroke/stroke_list.h
new file mode 100644
index 000000000..dabdbff39
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_list.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+/**
+ * @defgroup stroke_list stroke_list
+ * @{ @ingroup stroke
+ */
+
+#ifndef STROKE_LIST_H_
+#define STROKE_LIST_H_
+
+#include <stroke_msg.h>
+#include <library.h>
+
+typedef struct stroke_list_t stroke_list_t;
+
+/**
+ * Log status information to stroke console
+ */
+struct stroke_list_t {
+
+	/**
+	 * List certificate information to stroke console.
+	 *
+	 * @param msg		stroke message
+	 * @param out		stroke console stream
+	 */
+	void (*list)(stroke_list_t *this, stroke_msg_t *msg, FILE *out);
+	
+	/**
+	 * Log status information to stroke console.
+	 *
+	 * @param msg		stroke message
+	 * @param out		stroke console stream
+	 * @param all		TRUE for "statusall"
+	 */
+	void (*status)(stroke_list_t *this, stroke_msg_t *msg, FILE *out, bool all);
+	
+	/**
+     * Destroy a stroke_list instance.
+     */
+    void (*destroy)(stroke_list_t *this);
+};
+
+/**
+ * Create a stroke_list instance.
+ */
+stroke_list_t *stroke_list_create();
+
+#endif /* STROKE_LIST_H_ @}*/
diff --git a/src/charon/plugins/stroke/stroke_plugin.c b/src/charon/plugins/stroke/stroke_plugin.c
new file mode 100644
index 000000000..6933fc074
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_plugin.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#include "stroke_plugin.h"
+
+#include <library.h>
+#include "stroke_socket.h"
+
+typedef struct private_stroke_plugin_t private_stroke_plugin_t;
+
+/**
+ * private data of stroke_plugin
+ */
+struct private_stroke_plugin_t {
+
+	/**
+	 * public functions
+	 */
+	stroke_plugin_t public;
+	
+	/**
+	 * stroke socket, receives strokes
+	 */
+	stroke_socket_t *socket;
+};
+
+/**
+ * Implementation of stroke_plugin_t.destroy
+ */
+static void destroy(private_stroke_plugin_t *this)
+{
+	this->socket->destroy(this->socket);
+	free(this);
+}
+
+/*
+ * see header file
+ */
+plugin_t *plugin_create()
+{
+	private_stroke_plugin_t *this = malloc_thing(private_stroke_plugin_t);
+	
+	this->public.plugin.destroy = (void(*)(plugin_t*))destroy;
+	
+	this->socket = stroke_socket_create();
+	if (this->socket == NULL)
+	{
+		free(this);
+		return NULL;
+	}
+	return &this->public.plugin;
+}
+
diff --git a/src/charon/plugins/stroke/stroke_plugin.h b/src/charon/plugins/stroke/stroke_plugin.h
new file mode 100644
index 000000000..7ea18b8af
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_plugin.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id: stroke.h 3589 2008-03-13 14:14:44Z martin $
+ */
+
+/**
+ * @defgroup stroke stroke
+ * @ingroup cplugins
+ *
+ * @defgroup stroke_plugin stroke_plugin
+ * @{ @ingroup stroke
+ */
+ 
+#ifndef STROKE_PLUGIN_H_
+#define STROKE_PLUGIN_H_
+
+#include <plugins/plugin.h>
+
+typedef struct stroke_plugin_t stroke_plugin_t;
+
+/**
+ * strongSwan 2.x style configuration and control interface.
+ *
+ * Stroke is a home-brewed communication interface inspired by whack. It
+ * uses a unix socket (/var/run/charon.ctl).
+ */
+struct stroke_plugin_t {
+
+	/**
+	 * implements plugin interface
+	 */
+	plugin_t plugin;
+};
+
+/**
+ * Instanciate stroke plugin.
+ */
+plugin_t *plugin_create();
+
+#endif /* STROKE_PLUGIN_H_ @}*/
diff --git a/src/charon/plugins/stroke/stroke_shared_key.c b/src/charon/plugins/stroke/stroke_shared_key.c
new file mode 100644
index 000000000..9c21eb830
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_shared_key.c
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#include "stroke_shared_key.h"
+
+#include <utils/linked_list.h>
+
+typedef struct private_stroke_shared_key_t private_stroke_shared_key_t;
+
+/**
+ * private data of shared_key
+ */
+struct private_stroke_shared_key_t {
+
+	/**
+	 * implements shared_key_t
+	 */
+	stroke_shared_key_t public;
+	
+	/**
+	 * type of this key
+	 */
+	shared_key_type_t type;
+
+	/**
+	 * data of the key
+	 */
+	chunk_t key;
+
+	/**
+	 * list of key owners, as identification_t
+	 */
+	linked_list_t *owners;
+	
+	/**
+	 * reference counter
+	 */
+	refcount_t ref;
+};
+
+/**
+ * Implementation of shared_key_t.get_type.
+ */
+static shared_key_type_t get_type(private_stroke_shared_key_t *this)
+{
+	return this->type;
+}
+
+/**
+ * Implementation of shared_key_t.get_ref.
+ */
+static private_stroke_shared_key_t* get_ref(private_stroke_shared_key_t *this)
+{
+	ref_get(&this->ref);
+	return this;
+}
+
+/**
+ * Implementation of shared_key_t.get_key.
+ */
+static chunk_t get_key(private_stroke_shared_key_t *this)
+{
+	return this->key;
+}	
+	
+/**
+ * Implementation of stroke_shared_key_t.has_owner.
+ */
+static id_match_t has_owner(private_stroke_shared_key_t *this, identification_t *owner)
+{
+	enumerator_t *enumerator;
+	id_match_t match, best = ID_MATCH_NONE;
+	identification_t *current;
+	
+	enumerator = this->owners->create_enumerator(this->owners);
+	while (enumerator->enumerate(enumerator, &current))
+	{
+		match  = owner->matches(owner, current);
+		if (match > best)
+		{
+			best = match;
+		}
+	}
+	enumerator->destroy(enumerator);
+	return best;
+}
+/**
+ * Implementation of stroke_shared_key_t.add_owner.
+ */
+static void add_owner(private_stroke_shared_key_t *this, identification_t *owner)
+{
+	this->owners->insert_last(this->owners, owner);
+}
+
+/**
+ * Implementation of stroke_shared_key_t.destroy
+ */
+static void destroy(private_stroke_shared_key_t *this)
+{
+	if (ref_put(&this->ref))
+	{
+		this->owners->destroy_offset(this->owners, offsetof(identification_t, destroy));
+		chunk_free(&this->key);
+		free(this);
+	}
+}
+
+/**
+ * create a shared key
+ */
+stroke_shared_key_t *stroke_shared_key_create(shared_key_type_t type, chunk_t key)
+{
+	private_stroke_shared_key_t *this = malloc_thing(private_stroke_shared_key_t);
+
+	this->public.shared.get_type = (shared_key_type_t(*)(shared_key_t*))get_type;
+	this->public.shared.get_key = (chunk_t(*)(shared_key_t*))get_key;
+	this->public.shared.get_ref = (shared_key_t*(*)(shared_key_t*))get_ref;
+	this->public.shared.destroy = (void(*)(shared_key_t*))destroy;
+	this->public.add_owner = (void(*)(stroke_shared_key_t*, identification_t *owner))add_owner;
+	this->public.has_owner = (id_match_t(*)(stroke_shared_key_t*, identification_t *owner))has_owner;
+
+	this->owners = linked_list_create();
+	this->type = type;
+	this->key = key;
+	this->ref = 1;
+	
+	return &this->public;
+}
diff --git a/src/charon/plugins/stroke/stroke_shared_key.h b/src/charon/plugins/stroke/stroke_shared_key.h
new file mode 100644
index 000000000..e93d8cee2
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_shared_key.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+/**
+ * @defgroup stroke_shared_key stroke_shared_key
+ * @{ @ingroup stroke
+ */
+
+#ifndef STROKE_SHARED_KEY_H_
+#define STROKE_SHARED_KEY_H_
+
+#include <utils/identification.h>
+#include <credentials/keys/shared_key.h>
+
+typedef struct stroke_shared_key_t stroke_shared_key_t;
+
+/**
+ * Shared key implementation for keys read from ipsec.secrets
+ */
+struct stroke_shared_key_t {
+
+	/**
+	 * Implements the shared_key_t interface.
+	 */
+	shared_key_t shared;
+	
+	/**
+	 * Add an owner to the key.
+	 *
+	 * @param owner		owner to add
+	 */
+	void (*add_owner)(stroke_shared_key_t *this, identification_t *owner);
+	
+	/**
+	 * Check if a key has a specific owner.
+	 *
+	 * @param owner		owner to check
+	 * @return			best match found
+	 */
+	id_match_t (*has_owner)(stroke_shared_key_t *this, identification_t *owner);	
+};
+
+/**
+ * Create a stroke_shared_key instance.
+ */
+stroke_shared_key_t *stroke_shared_key_create(shared_key_type_t type, chunk_t key);
+
+#endif /* STROKE_SHARED_KEY_H_ @}*/
diff --git a/src/charon/plugins/stroke/stroke_socket.c b/src/charon/plugins/stroke/stroke_socket.c
new file mode 100644
index 000000000..92e295a0c
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_socket.c
@@ -0,0 +1,602 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#include "stroke_socket.h"
+
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/fcntl.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <processing/jobs/callback_job.h>
+#include <daemon.h>
+
+#include "stroke_config.h"
+#include "stroke_control.h"
+#include "stroke_cred.h"
+#include "stroke_ca.h"
+#include "stroke_attribute.h"
+#include "stroke_list.h"
+
+typedef struct stroke_job_context_t stroke_job_context_t;
+typedef struct private_stroke_socket_t private_stroke_socket_t;
+
+/**
+ * private data of stroke_socket
+ */
+struct private_stroke_socket_t {
+
+	/**
+	 * public functions
+	 */
+	stroke_socket_t public;
+		
+	/**
+	 * Unix socket to listen for strokes
+	 */
+	int socket;
+	
+	/**
+	 * job accepting stroke messages
+	 */
+	callback_job_t *job;
+	
+	/**
+	 * configuration backend
+	 */
+	stroke_config_t *config;
+	
+	/**
+	 * attribute provider
+	 */
+	stroke_attribute_t *attribute;
+	
+	/**
+	 * controller to control daemon
+	 */
+	stroke_control_t *control;
+	
+	/**
+	 * credential set
+	 */
+	stroke_cred_t *cred;
+	
+	/**
+	 * CA sections
+	 */
+	stroke_ca_t *ca;
+	
+	/**
+	 * Status information logging
+	 */
+	stroke_list_t *list;
+};
+
+/**
+ * job context to pass to processing thread
+ */
+struct stroke_job_context_t {
+
+	/**
+	 * file descriptor to read from
+	 */
+	int fd;
+	
+	/**
+	 * global stroke interface
+	 */
+	private_stroke_socket_t *this;
+};
+
+/**
+ * Helper function which corrects the string pointers
+ * in a stroke_msg_t. Strings in a stroke_msg sent over "wire"
+ * contains RELATIVE addresses (relative to the beginning of the
+ * stroke_msg). They must be corrected if they reach our address
+ * space...
+ */
+static void pop_string(stroke_msg_t *msg, char **string)
+{
+	if (*string == NULL)
+	{
+		return;
+	}
+
+	/* check for sanity of string pointer and string */
+	if (string < (char**)msg ||
+		string > (char**)msg + sizeof(stroke_msg_t) ||
+		(unsigned long)*string < (unsigned long)((char*)msg->buffer - (char*)msg) ||
+		(unsigned long)*string > msg->length)
+	{
+		*string = "(invalid pointer in stroke msg)";
+	}
+	else
+	{
+		*string = (char*)msg + (unsigned long)*string;
+	}
+}
+
+/**
+ * Pop the strings of a stroke_end_t struct and log them for debugging purposes
+ */
+static void pop_end(stroke_msg_t *msg, const char* label, stroke_end_t *end)
+{
+	pop_string(msg, &end->address);
+	pop_string(msg, &end->subnets);
+	pop_string(msg, &end->sourceip);
+	pop_string(msg, &end->id);
+	pop_string(msg, &end->cert);
+	pop_string(msg, &end->ca);
+	pop_string(msg, &end->groups);
+	pop_string(msg, &end->updown);
+	
+	DBG2(DBG_CFG, "  %s=%s", label, end->address);
+	DBG2(DBG_CFG, "  %ssubnet=%s", label, end->subnets);
+	DBG2(DBG_CFG, "  %ssourceip=%s", label, end->sourceip);
+	DBG2(DBG_CFG, "  %sid=%s", label, end->id);
+	DBG2(DBG_CFG, "  %scert=%s", label, end->cert);
+	DBG2(DBG_CFG, "  %sca=%s", label, end->ca);
+	DBG2(DBG_CFG, "  %sgroups=%s", label, end->groups);
+	DBG2(DBG_CFG, "  %supdown=%s", label, end->updown);
+}
+
+/**
+ * Add a connection to the configuration list
+ */
+static void stroke_add_conn(private_stroke_socket_t *this, stroke_msg_t *msg)
+{
+	pop_string(msg, &msg->add_conn.name);
+	DBG1(DBG_CFG, "received stroke: add connection '%s'", msg->add_conn.name);
+
+	DBG2(DBG_CFG, "conn %s", msg->add_conn.name);
+	pop_end(msg, "left", &msg->add_conn.me);
+	pop_end(msg, "right", &msg->add_conn.other);
+	pop_string(msg, &msg->add_conn.algorithms.ike);
+	pop_string(msg, &msg->add_conn.algorithms.esp);
+	pop_string(msg, &msg->add_conn.ikeme.mediated_by);
+	pop_string(msg, &msg->add_conn.ikeme.peerid);
+	DBG2(DBG_CFG, "  ike=%s", msg->add_conn.algorithms.ike);
+	DBG2(DBG_CFG, "  esp=%s", msg->add_conn.algorithms.esp);
+	DBG2(DBG_CFG, "  mediation=%s", msg->add_conn.ikeme.mediation ? "yes" : "no");
+	DBG2(DBG_CFG, "  mediated_by=%s", msg->add_conn.ikeme.mediated_by);
+	DBG2(DBG_CFG, "  me_peerid=%s", msg->add_conn.ikeme.peerid);
+
+	this->config->add(this->config, msg);
+	this->attribute->add_pool(this->attribute, msg);
+}
+
+/**
+ * Delete a connection from the list
+ */
+static void stroke_del_conn(private_stroke_socket_t *this, stroke_msg_t *msg)
+{
+	pop_string(msg, &msg->del_conn.name);
+	DBG1(DBG_CFG, "received stroke: delete connection '%s'", msg->del_conn.name);
+	
+	this->config->del(this->config, msg);
+	this->attribute->del_pool(this->attribute, msg);
+}
+
+/**
+ * initiate a connection by name
+ */
+static void stroke_initiate(private_stroke_socket_t *this, stroke_msg_t *msg, FILE *out)
+{
+	pop_string(msg, &msg->initiate.name);
+	DBG1(DBG_CFG, "received stroke: initiate '%s'", msg->initiate.name);
+	
+	this->control->initiate(this->control, msg, out);
+}
+
+/**
+ * terminate a connection by name
+ */
+static void stroke_terminate(private_stroke_socket_t *this, stroke_msg_t *msg, FILE *out)
+{
+	pop_string(msg, &msg->terminate.name);
+	DBG1(DBG_CFG, "received stroke: terminate '%s'", msg->terminate.name);
+
+	this->control->terminate(this->control, msg, out);
+}
+
+/**
+ * route a policy (install SPD entries)
+ */
+static void stroke_route(private_stroke_socket_t *this, stroke_msg_t *msg, FILE *out)
+{
+	pop_string(msg, &msg->route.name);
+	DBG1(DBG_CFG, "received stroke: route '%s'", msg->route.name);
+	
+	this->control->route(this->control, msg, out);
+}
+
+/**
+ * unroute a policy
+ */
+static void stroke_unroute(private_stroke_socket_t *this, stroke_msg_t *msg, FILE *out)
+{
+	pop_string(msg, &msg->terminate.name);
+	DBG1(DBG_CFG, "received stroke: unroute '%s'", msg->route.name);
+	
+	this->control->unroute(this->control, msg, out);
+}
+
+/**
+ * Add a ca information record to the cainfo list
+ */
+static void stroke_add_ca(private_stroke_socket_t *this,
+						  stroke_msg_t *msg, FILE *out)
+{
+	pop_string(msg, &msg->add_ca.name);
+	DBG1(DBG_CFG, "received stroke: add ca '%s'", msg->add_ca.name);
+
+	pop_string(msg, &msg->add_ca.cacert);
+	pop_string(msg, &msg->add_ca.crluri);
+	pop_string(msg, &msg->add_ca.crluri2);
+	pop_string(msg, &msg->add_ca.ocspuri);
+	pop_string(msg, &msg->add_ca.ocspuri2);
+	pop_string(msg, &msg->add_ca.certuribase);
+	DBG2(DBG_CFG, "ca %s",            msg->add_ca.name);
+	DBG2(DBG_CFG, "  cacert=%s",      msg->add_ca.cacert);
+	DBG2(DBG_CFG, "  crluri=%s",      msg->add_ca.crluri);
+	DBG2(DBG_CFG, "  crluri2=%s",     msg->add_ca.crluri2);
+	DBG2(DBG_CFG, "  ocspuri=%s",     msg->add_ca.ocspuri);
+	DBG2(DBG_CFG, "  ocspuri2=%s",    msg->add_ca.ocspuri2);
+	DBG2(DBG_CFG, "  certuribase=%s", msg->add_ca.certuribase);
+	
+	this->ca->add(this->ca, msg);
+}
+
+/**
+ * Delete a ca information record from the cainfo list
+ */
+static void stroke_del_ca(private_stroke_socket_t *this,
+						  stroke_msg_t *msg, FILE *out)
+{
+	pop_string(msg, &msg->del_ca.name);
+	DBG1(DBG_CFG, "received stroke: delete ca '%s'", msg->del_ca.name);
+	
+	this->ca->del(this->ca, msg);
+}
+
+
+/**
+ * show status of daemon
+ */
+static void stroke_status(private_stroke_socket_t *this,
+						  stroke_msg_t *msg, FILE *out, bool all)
+{
+	pop_string(msg, &(msg->status.name));
+	
+	this->list->status(this->list, msg, out, all);
+}
+
+/**
+ * list various information
+ */
+static void stroke_list(private_stroke_socket_t *this, stroke_msg_t *msg, FILE *out)
+{
+	if (msg->list.flags & LIST_CAINFOS)
+	{
+		this->ca->list(this->ca, msg, out);
+	}
+	this->list->list(this->list, msg, out);
+}
+
+/**
+ * reread various information
+ */
+static void stroke_reread(private_stroke_socket_t *this,
+						  stroke_msg_t *msg, FILE *out)
+{
+	this->cred->reread(this->cred, msg);
+}
+
+/**
+ * purge various information
+ */
+static void stroke_purge(private_stroke_socket_t *this,
+						 stroke_msg_t *msg, FILE *out)
+{
+	charon->credentials->flush_cache(charon->credentials,
+									 CERT_X509_OCSP_RESPONSE);
+}
+
+signal_t get_signal_from_logtype(char *type)
+{
+	if      (strcasecmp(type, "any") == 0) return SIG_ANY;
+	else if (strcasecmp(type, "mgr") == 0) return DBG_MGR;
+	else if (strcasecmp(type, "ike") == 0) return DBG_IKE;
+	else if (strcasecmp(type, "chd") == 0) return DBG_CHD;
+	else if (strcasecmp(type, "job") == 0) return DBG_JOB;
+	else if (strcasecmp(type, "cfg") == 0) return DBG_CFG;
+	else if (strcasecmp(type, "knl") == 0) return DBG_KNL;
+	else if (strcasecmp(type, "net") == 0) return DBG_NET;
+	else if (strcasecmp(type, "enc") == 0) return DBG_ENC;
+	else if (strcasecmp(type, "lib") == 0) return DBG_LIB;
+	else return -1;
+}
+
+/**
+ * set the verbosity debug output
+ */
+static void stroke_loglevel(private_stroke_socket_t *this, stroke_msg_t *msg, FILE *out)
+{
+	signal_t signal;
+	
+	pop_string(msg, &(msg->loglevel.type));
+	DBG1(DBG_CFG, "received stroke: loglevel %d for %s",
+		 msg->loglevel.level, msg->loglevel.type);
+	
+	signal = get_signal_from_logtype(msg->loglevel.type);
+	if (signal < 0)
+	{
+		fprintf(out, "invalid type (%s)!\n", msg->loglevel.type);
+		return;
+	}
+	
+	charon->outlog->set_level(charon->outlog, signal, msg->loglevel.level);
+	charon->syslog->set_level(charon->syslog, signal, msg->loglevel.level);
+}
+
+/**
+ * set various config options
+ */
+static void stroke_config(private_stroke_socket_t *this, stroke_msg_t *msg, FILE *out)
+{
+	this->cred->cachecrl(this->cred, msg->config.cachecrl);
+}
+
+/**
+ * destroy a job context
+ */
+static void stroke_job_context_destroy(stroke_job_context_t *this)
+{
+	if (this->fd)
+	{
+		close(this->fd);
+	}
+	free(this);
+}
+
+/**
+ * process a stroke request from the socket pointed by "fd"
+ */
+static job_requeue_t process(stroke_job_context_t *ctx)
+{
+	stroke_msg_t *msg;
+	u_int16_t msg_length;
+	ssize_t bytes_read;
+	FILE *out;
+	private_stroke_socket_t *this = ctx->this;
+	int strokefd = ctx->fd;
+	
+	/* peek the length */
+	bytes_read = recv(strokefd, &msg_length, sizeof(msg_length), MSG_PEEK);
+	if (bytes_read != sizeof(msg_length))
+	{
+		DBG1(DBG_CFG, "reading length of stroke message failed: %s",
+			 strerror(errno));
+		return JOB_REQUEUE_NONE;
+	}
+	
+	/* read message */
+	msg = alloca(msg_length);
+	bytes_read = recv(strokefd, msg, msg_length, 0);
+	if (bytes_read != msg_length)
+	{
+		DBG1(DBG_CFG, "reading stroke message failed: %s", strerror(errno));
+		return JOB_REQUEUE_NONE;
+	}
+	
+	out = fdopen(strokefd, "w");
+	if (out == NULL)
+	{
+		DBG1(DBG_CFG, "opening stroke output channel failed: %s", strerror(errno));
+		return JOB_REQUEUE_NONE;
+	}
+	
+	DBG3(DBG_CFG, "stroke message %b", (void*)msg, msg_length);
+	
+	switch (msg->type)
+	{
+		case STR_INITIATE:
+			stroke_initiate(this, msg, out);
+			break;
+		case STR_ROUTE:
+			stroke_route(this, msg, out);
+			break;
+		case STR_UNROUTE:
+			stroke_unroute(this, msg, out);
+			break;
+		case STR_TERMINATE:
+			stroke_terminate(this, msg, out);
+			break;
+		case STR_STATUS:
+			stroke_status(this, msg, out, FALSE);
+			break;
+		case STR_STATUS_ALL:
+			stroke_status(this, msg, out, TRUE);
+			break;
+		case STR_ADD_CONN:
+			stroke_add_conn(this, msg);
+			break;
+		case STR_DEL_CONN:
+			stroke_del_conn(this, msg);
+			break;
+		case STR_ADD_CA:
+			stroke_add_ca(this, msg, out);
+			break;
+		case STR_DEL_CA:
+			stroke_del_ca(this, msg, out);
+			break;
+		case STR_LOGLEVEL:
+			stroke_loglevel(this, msg, out);
+			break;
+		case STR_CONFIG:
+			stroke_config(this, msg, out);
+			break;
+		case STR_LIST:
+			stroke_list(this, msg, out);
+			break;
+		case STR_REREAD:
+			stroke_reread(this, msg, out);
+			break;
+		case STR_PURGE:
+			stroke_purge(this, msg, out);
+			break;
+		default:
+			DBG1(DBG_CFG, "received unknown stroke");
+			break;
+	}
+	fclose(out);
+	/* fclose() closes underlying FD */
+	ctx->fd = 0;
+	return JOB_REQUEUE_NONE;
+}
+
+/**
+ * Implementation of private_stroke_socket_t.stroke_receive.
+ */
+static job_requeue_t receive(private_stroke_socket_t *this)
+{
+	struct sockaddr_un strokeaddr;
+	int strokeaddrlen = sizeof(strokeaddr);
+	int strokefd;
+	int oldstate;
+	callback_job_t *job;
+	stroke_job_context_t *ctx;
+	
+	pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &oldstate);
+	strokefd = accept(this->socket, (struct sockaddr *)&strokeaddr, &strokeaddrlen);
+	pthread_setcancelstate(oldstate, NULL);
+	
+	if (strokefd < 0)
+	{
+		DBG1(DBG_CFG, "accepting stroke connection failed: %s", strerror(errno));
+		return JOB_REQUEUE_FAIR;
+	}
+	
+	ctx = malloc_thing(stroke_job_context_t);
+	ctx->fd = strokefd;
+	ctx->this = this;
+	job = callback_job_create((callback_job_cb_t)process,
+							  ctx, (void*)stroke_job_context_destroy, this->job);
+	charon->processor->queue_job(charon->processor, (job_t*)job);
+	
+	return JOB_REQUEUE_FAIR;
+}
+
+
+/**
+ * initialize and open stroke socket
+ */
+static bool open_socket(private_stroke_socket_t *this)
+{
+	struct sockaddr_un socket_addr = { AF_UNIX, STROKE_SOCKET};
+	mode_t old;
+	
+	/* set up unix socket */
+	this->socket = socket(AF_UNIX, SOCK_STREAM, 0);
+	if (this->socket == -1)
+	{
+		DBG1(DBG_CFG, "could not create stroke socket");
+		return FALSE;
+	}
+	
+	unlink(socket_addr.sun_path);
+	old = umask(~(S_IRWXU | S_IRWXG));
+	if (bind(this->socket, (struct sockaddr *)&socket_addr, sizeof(socket_addr)) < 0)
+	{
+		DBG1(DBG_CFG, "could not bind stroke socket: %s", strerror(errno));
+		close(this->socket);
+		return FALSE;
+	}
+	umask(old);
+	if (chown(socket_addr.sun_path, charon->uid, charon->gid) != 0)
+	{
+		DBG1(DBG_CFG, "changing stroke socket permissions failed: %s",
+			 strerror(errno));
+	}
+	
+	if (listen(this->socket, 0) < 0)
+	{
+		DBG1(DBG_CFG, "could not listen on stroke socket: %s", strerror(errno));
+		close(this->socket);
+		unlink(socket_addr.sun_path);
+		return FALSE;
+	}
+	return TRUE;
+}
+
+/**
+ * Implementation of stroke_socket_t.destroy
+ */
+static void destroy(private_stroke_socket_t *this)
+{
+	this->job->cancel(this->job);
+	charon->credentials->remove_set(charon->credentials, &this->ca->set);
+	charon->credentials->remove_set(charon->credentials, &this->cred->set);
+	charon->backends->remove_backend(charon->backends, &this->config->backend);
+	charon->attributes->remove_provider(charon->attributes, &this->attribute->provider);
+	this->cred->destroy(this->cred);
+	this->ca->destroy(this->ca);
+	this->config->destroy(this->config);
+	this->attribute->destroy(this->attribute);
+	this->control->destroy(this->control);
+	this->list->destroy(this->list);
+	free(this);
+}
+
+/*
+ * see header file
+ */
+stroke_socket_t *stroke_socket_create()
+{
+	private_stroke_socket_t *this = malloc_thing(private_stroke_socket_t);
+	
+	this->public.destroy = (void(*)(stroke_socket_t*))destroy;
+	
+	if (!open_socket(this))
+	{
+		free(this);
+		return NULL;
+	}
+	
+	this->cred = stroke_cred_create();
+	this->attribute = stroke_attribute_create();
+	this->ca = stroke_ca_create(this->cred);
+	this->config = stroke_config_create(this->ca, this->cred);
+	this->control = stroke_control_create();
+	this->list = stroke_list_create();
+	
+	charon->credentials->add_set(charon->credentials, &this->ca->set);
+	charon->credentials->add_set(charon->credentials, &this->cred->set);
+	charon->backends->add_backend(charon->backends, &this->config->backend);
+	charon->attributes->add_provider(charon->attributes, &this->attribute->provider);
+	
+	this->job = callback_job_create((callback_job_cb_t)receive,
+									this, NULL, NULL);
+	charon->processor->queue_job(charon->processor, (job_t*)this->job);
+	
+	return &this->public;
+}
+
diff --git a/src/charon/plugins/stroke/stroke_socket.h b/src/charon/plugins/stroke/stroke_socket.h
new file mode 100644
index 000000000..7bc96686f
--- /dev/null
+++ b/src/charon/plugins/stroke/stroke_socket.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+/**
+ * @defgroup stroke_socket stroke_socket
+ * @{ @ingroup stroke
+ */
+
+#ifndef STROKE_SOCKET_H_
+#define STROKE_SOCKET_H_
+
+typedef struct stroke_socket_t stroke_socket_t;
+
+/**
+ * Stroke socket, opens UNIX communication socket, reads and dispatches.
+ */
+struct stroke_socket_t {
+		
+	/**
+     * Destroy a stroke_socket instance.
+     */
+    void (*destroy)(stroke_socket_t *this);
+};
+
+/**
+ * Create a stroke_socket instance.
+ */
+stroke_socket_t *stroke_socket_create();
+
+#endif /* STROKE_SOCKET_H_ @}*/