[svn-upgrade] Integrating new upstream version, strongswan (4.4.0)

10 files changed, 1962 insertions, 0 deletions

diff --git a/src/libcharon/plugins/sql/Makefile.am b/src/libcharon/plugins/sql/Makefile.am
new file mode 100644
index 000000000..68b7e8cb2
--- /dev/null
+++ b/src/libcharon/plugins/sql/Makefile.am
@@ -0,0 +1,18 @@
+
+INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libhydra \
+	-I$(top_srcdir)/src/libcharon
+
+AM_CFLAGS = -rdynamic \
+  -DPLUGINS=\""${libstrongswan_plugins}\""
+
+if MONOLITHIC
+noinst_LTLIBRARIES = libstrongswan-sql.la
+else
+plugin_LTLIBRARIES = libstrongswan-sql.la
+endif
+
+libstrongswan_sql_la_SOURCES = \
+	sql_plugin.h sql_plugin.c sql_config.h sql_config.c \
+	sql_cred.h sql_cred.c sql_logger.h sql_logger.c
+
+libstrongswan_sql_la_LDFLAGS = -module -avoid-version
diff --git a/src/libcharon/plugins/sql/Makefile.in b/src/libcharon/plugins/sql/Makefile.in
new file mode 100644
index 000000000..5803dc898
--- /dev/null
+++ b/src/libcharon/plugins/sql/Makefile.in
@@ -0,0 +1,591 @@
+# Makefile.in generated by automake 1.11 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  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.
+
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+
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+	-I$(top_srcdir)/src/libcharon
+
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+  -DPLUGINS=\""${libstrongswan_plugins}\""
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+	sql_plugin.h sql_plugin.c sql_config.h sql_config.c \
+	sql_cred.h sql_cred.c sql_logger.h sql_logger.c
+
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+	done
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+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+	for dir in "$(DESTDIR)$(plugindir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+	clean-pluginLTLIBRARIES mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-pluginLTLIBRARIES
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-pluginLTLIBRARIES
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-noinstLTLIBRARIES clean-pluginLTLIBRARIES \
+	ctags distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-pluginLTLIBRARIES install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags uninstall uninstall-am \
+	uninstall-pluginLTLIBRARIES
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/libcharon/plugins/sql/sql_config.c b/src/libcharon/plugins/sql/sql_config.c
new file mode 100644
index 000000000..23366898a
--- /dev/null
+++ b/src/libcharon/plugins/sql/sql_config.c
@@ -0,0 +1,535 @@
+/*
+ * Copyright (C) 2006-2008 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.
+ */
+
+#include <string.h>
+
+#include "sql_config.h"
+
+#include <daemon.h>
+
+typedef struct private_sql_config_t private_sql_config_t;
+
+/**
+ * Private data of an sql_config_t object
+ */
+struct private_sql_config_t {
+
+	/**
+	 * Public part
+	 */
+	sql_config_t public;
+
+	/**
+	 * database connection
+	 */
+	database_t *db;
+};
+
+/**
+ * forward declaration
+ */
+static peer_cfg_t *build_peer_cfg(private_sql_config_t *this, enumerator_t *e,
+								  identification_t *me, identification_t *other);
+
+/**
+ * build a traffic selector from a SQL query
+ */
+static traffic_selector_t *build_traffic_selector(private_sql_config_t *this,
+												  enumerator_t *e, bool *local)
+{
+	int type, protocol, start_port, end_port;
+	chunk_t start_addr, end_addr;
+	traffic_selector_t *ts;
+	enum {
+		TS_LOCAL = 0,
+		TS_REMOTE = 1,
+		TS_LOCAL_DYNAMIC = 2,
+		TS_REMOTE_DYNAMIC = 3,
+	} kind;
+
+	while (e->enumerate(e, &kind, &type, &protocol,
+						&start_addr, &end_addr, &start_port, &end_port))
+	{
+		*local = FALSE;
+		switch (kind)
+		{
+			case TS_LOCAL:
+				*local = TRUE;
+				/* FALL */
+			case TS_REMOTE:
+				ts = traffic_selector_create_from_bytes(protocol, type,
+								start_addr, start_port,	end_addr, end_port);
+				break;
+			case TS_LOCAL_DYNAMIC:
+				*local = TRUE;
+				/* FALL */
+			case TS_REMOTE_DYNAMIC:
+				ts = traffic_selector_create_dynamic(protocol,
+								start_port, end_port);
+				break;
+			default:
+				continue;
+		}
+		if (ts)
+		{
+			return ts;
+		}
+	}
+	return NULL;
+}
+
+/**
+ * Add traffic selectors to a child config
+ */
+static void add_traffic_selectors(private_sql_config_t *this,
+								  child_cfg_t *child, int id)
+{
+	enumerator_t *e;
+	traffic_selector_t *ts;
+	bool local;
+
+	e = this->db->query(this->db,
+			"SELECT kind, type, protocol, "
+			"start_addr, end_addr, start_port, end_port "
+			"FROM traffic_selectors JOIN child_config_traffic_selector "
+			"ON id = traffic_selector WHERE child_cfg = ?",
+			DB_INT, id,
+			DB_INT, DB_INT, DB_INT,
+			DB_BLOB, DB_BLOB, DB_INT, DB_INT);
+	if (e)
+	{
+		while ((ts = build_traffic_selector(this, e, &local)))
+		{
+			child->add_traffic_selector(child, local, ts);
+		}
+		e->destroy(e);
+	}
+}
+
+/**
+ * build a Child configuration from a SQL query
+ */
+static child_cfg_t *build_child_cfg(private_sql_config_t *this, enumerator_t *e)
+{
+	int id, lifetime, rekeytime, jitter, hostaccess, mode, dpd, close, ipcomp;
+	char *name, *updown;
+	child_cfg_t *child_cfg;
+
+	if (e->enumerate(e, &id, &name, &lifetime, &rekeytime, &jitter,
+						&updown, &hostaccess, &mode, &dpd, &close, &ipcomp))
+	{
+		lifetime_cfg_t lft = {
+			.time = { .life = lifetime, .rekey = rekeytime, .jitter = jitter }
+		};
+		child_cfg = child_cfg_create(name, &lft, updown, hostaccess, mode,
+									 dpd, close, ipcomp, 0);
+		/* TODO: read proposal from db */
+		child_cfg->add_proposal(child_cfg, proposal_create_default(PROTO_ESP));
+		add_traffic_selectors(this, child_cfg, id);
+		return child_cfg;
+	}
+	return NULL;
+}
+
+/**
+ * Add child configs to peer config
+ */
+static void add_child_cfgs(private_sql_config_t *this, peer_cfg_t *peer, int id)
+{
+	enumerator_t *e;
+	child_cfg_t *child_cfg;
+
+	e = this->db->query(this->db,
+			"SELECT id, name, lifetime, rekeytime, jitter, "
+			"updown, hostaccess, mode, dpd_action, close_action, ipcomp "
+			"FROM child_configs JOIN peer_config_child_config ON id = child_cfg "
+			"WHERE peer_cfg = ?",
+			DB_INT, id,
+			DB_INT, DB_TEXT, DB_INT, DB_INT, DB_INT,
+			DB_TEXT, DB_INT, DB_INT, DB_INT, DB_INT, DB_INT);
+	if (e)
+	{
+		while ((child_cfg = build_child_cfg(this, e)))
+		{
+			peer->add_child_cfg(peer, child_cfg);
+		}
+		e->destroy(e);
+	}
+}
+
+/**
+ * build a ike configuration from a SQL query
+ */
+static ike_cfg_t *build_ike_cfg(private_sql_config_t *this, enumerator_t *e,
+								host_t *my_host, host_t *other_host)
+{
+	int certreq, force_encap;
+	char *local, *remote;
+
+	while (e->enumerate(e, &certreq, &force_encap, &local, &remote))
+	{
+		ike_cfg_t *ike_cfg;
+
+		ike_cfg = ike_cfg_create(certreq, force_encap,
+								 local, IKEV2_UDP_PORT, remote, IKEV2_UDP_PORT);
+		/* TODO: read proposal from db */
+		ike_cfg->add_proposal(ike_cfg, proposal_create_default(PROTO_IKE));
+		return ike_cfg;
+	}
+	return NULL;
+}
+
+/**
+ * Query a IKE config by its id
+ */
+static ike_cfg_t* get_ike_cfg_by_id(private_sql_config_t *this, int id)
+{
+	enumerator_t *e;
+	ike_cfg_t *ike_cfg = NULL;
+
+	e = this->db->query(this->db,
+			"SELECT certreq, force_encap, local, remote "
+			"FROM ike_configs WHERE id = ?",
+			DB_INT, id,
+			DB_INT, DB_INT, DB_TEXT, DB_TEXT);
+	if (e)
+	{
+		ike_cfg = build_ike_cfg(this, e, NULL, NULL);
+		e->destroy(e);
+	}
+	return ike_cfg;
+}
+
+/**
+ * Query a peer config by its id
+ */
+static peer_cfg_t *get_peer_cfg_by_id(private_sql_config_t *this, int id)
+{
+	enumerator_t *e;
+	peer_cfg_t *peer_cfg = NULL;
+
+	e = this->db->query(this->db,
+			"SELECT c.id, name, ike_cfg, l.type, l.data, r.type, r.data, "
+			"cert_policy, uniqueid, auth_method, eap_type, eap_vendor, "
+			"keyingtries, rekeytime, reauthtime, jitter, overtime, mobike, "
+			"dpd_delay, virtual, pool, "
+			"mediation, mediated_by, COALESCE(p.type, 0), p.data "
+			"FROM peer_configs AS c "
+			"JOIN identities AS l ON local_id = l.id "
+			"JOIN identities AS r ON remote_id = r.id "
+			"LEFT JOIN identities AS p ON peer_id = p.id "
+			"WHERE id = ?",
+			DB_INT, id,
+			DB_INT, DB_TEXT, DB_INT, DB_INT, DB_BLOB, DB_INT, DB_BLOB,
+			DB_INT, DB_INT, DB_INT, DB_INT, DB_INT,
+			DB_INT, DB_INT, DB_INT, DB_INT, DB_INT, DB_INT,
+			DB_INT, DB_TEXT, DB_TEXT,
+			DB_INT, DB_INT, DB_INT, DB_BLOB);
+	if (e)
+	{
+		peer_cfg = build_peer_cfg(this, e, NULL, NULL);
+		e->destroy(e);
+	}
+	return peer_cfg;
+}
+
+/**
+ * build a peer configuration from a SQL query
+ */
+static peer_cfg_t *build_peer_cfg(private_sql_config_t *this, enumerator_t *e,
+								  identification_t *me, identification_t *other)
+{
+	int id, ike_cfg, l_type, r_type,
+		cert_policy, uniqueid, auth_method, eap_type, eap_vendor, keyingtries,
+		rekeytime, reauthtime, jitter, overtime, mobike, dpd_delay,
+		mediation, mediated_by, p_type;
+	chunk_t l_data, r_data, p_data;
+	char *name, *virtual, *pool;
+
+	while (e->enumerate(e,
+			&id, &name, &ike_cfg, &l_type, &l_data, &r_type, &r_data,
+			&cert_policy, &uniqueid, &auth_method, &eap_type, &eap_vendor,
+			&keyingtries, &rekeytime, &reauthtime, &jitter, &overtime, &mobike,
+			&dpd_delay,	&virtual, &pool,
+			&mediation, &mediated_by, &p_type, &p_data))
+	{
+		identification_t *local_id, *remote_id, *peer_id = NULL;
+		peer_cfg_t *peer_cfg, *mediated_cfg;
+		ike_cfg_t *ike;
+		host_t *vip = NULL;
+		auth_cfg_t *auth;
+
+		local_id = identification_create_from_encoding(l_type, l_data);
+		remote_id = identification_create_from_encoding(r_type, r_data);
+		if ((me && !me->matches(me, local_id)) ||
+			(other && !other->matches(other, remote_id)))
+		{
+			local_id->destroy(local_id);
+			remote_id->destroy(remote_id);
+			continue;
+		}
+		ike = get_ike_cfg_by_id(this, ike_cfg);
+		mediated_cfg = mediated_by ? get_peer_cfg_by_id(this, mediated_by) : NULL;
+		if (p_type)
+		{
+			peer_id = identification_create_from_encoding(p_type, p_data);
+		}
+		if (virtual)
+		{
+			vip = host_create_from_string(virtual, 0);
+		}
+		if (ike)
+		{
+			peer_cfg = peer_cfg_create(
+					name, 2, ike, cert_policy, uniqueid,
+					keyingtries, rekeytime, reauthtime, jitter, overtime,
+					mobike,	dpd_delay, vip, pool,
+					mediation, mediated_cfg, peer_id);
+			auth = auth_cfg_create();
+			auth->add(auth, AUTH_RULE_AUTH_CLASS, auth_method);
+			auth->add(auth, AUTH_RULE_IDENTITY, local_id);
+			peer_cfg->add_auth_cfg(peer_cfg, auth, TRUE);
+			auth = auth_cfg_create();
+			auth->add(auth, AUTH_RULE_IDENTITY, remote_id);
+			if (eap_type)
+			{
+				auth->add(auth, AUTH_RULE_AUTH_CLASS, AUTH_CLASS_EAP);
+				auth->add(auth, AUTH_RULE_EAP_TYPE, eap_type);
+				if (eap_vendor)
+				{
+					auth->add(auth, AUTH_RULE_EAP_VENDOR, eap_vendor);
+				}
+			}
+			peer_cfg->add_auth_cfg(peer_cfg, auth, FALSE);
+			add_child_cfgs(this, peer_cfg, id);
+			return peer_cfg;
+		}
+		DESTROY_IF(ike);
+		DESTROY_IF(mediated_cfg);
+		DESTROY_IF(peer_id);
+		DESTROY_IF(local_id);
+		DESTROY_IF(remote_id);
+	}
+	return NULL;
+}
+
+/**
+ * implements backend_t.get_peer_cfg_by_name.
+ */
+static peer_cfg_t *get_peer_cfg_by_name(private_sql_config_t *this, char *name)
+{
+	enumerator_t *e;
+	peer_cfg_t *peer_cfg = NULL;
+
+	e = this->db->query(this->db,
+			"SELECT c.id, name, ike_cfg, l.type, l.data, r.type, r.data, "
+			"cert_policy, uniqueid, auth_method, eap_type, eap_vendor, "
+			"keyingtries, rekeytime, reauthtime, jitter, overtime, mobike, "
+			"dpd_delay, virtual, pool, "
+			"mediation, mediated_by, COALESCE(p.type, 0), p.data "
+			"FROM peer_configs AS c "
+			"JOIN identities AS l ON local_id = l.id "
+			"JOIN identities AS r ON remote_id = r.id "
+			"LEFT JOIN identities AS p ON peer_id = p.id "
+			"WHERE ike_version = ? AND name = ?",
+			DB_INT, 2, DB_TEXT, name,
+			DB_INT, DB_TEXT, DB_INT, DB_INT, DB_BLOB, DB_INT, DB_BLOB,
+			DB_INT, DB_INT, DB_INT, DB_INT, DB_INT,
+			DB_INT, DB_INT, DB_INT, DB_INT, DB_INT, DB_INT,
+			DB_INT, DB_TEXT, DB_TEXT,
+			DB_INT, DB_INT,	DB_INT, DB_BLOB);
+	if (e)
+	{
+		peer_cfg = build_peer_cfg(this, e, NULL, NULL);
+		e->destroy(e);
+	}
+	return peer_cfg;
+}
+
+typedef struct {
+	/** implements enumerator */
+	enumerator_t public;
+	/** reference to context */
+	private_sql_config_t *this;
+	/** filtering own host */
+	host_t *me;
+	/** filtering remote host */
+	host_t *other;
+	/** inner SQL enumerator */
+	enumerator_t *inner;
+	/** currently enumerated peer config */
+	ike_cfg_t *current;
+} ike_enumerator_t;
+
+/**
+ * Implementation of ike_enumerator_t.public.enumerate
+ */
+static bool ike_enumerator_enumerate(ike_enumerator_t *this, ike_cfg_t **cfg)
+{
+	DESTROY_IF(this->current);
+	this->current = build_ike_cfg(this->this, this->inner, this->me, this->other);
+	if (this->current)
+	{
+		*cfg = this->current;
+		return TRUE;
+	}
+	return FALSE;
+}
+
+/**
+ * Implementation of ike_enumerator_t.public.destroy
+ */
+static void ike_enumerator_destroy(ike_enumerator_t *this)
+{
+	DESTROY_IF(this->current);
+	this->inner->destroy(this->inner);
+	free(this);
+}
+
+/**
+ * Implementation of backend_t.create_ike_cfg_enumerator.
+ */
+static enumerator_t* create_ike_cfg_enumerator(private_sql_config_t *this,
+											   host_t *me, host_t *other)
+{
+	ike_enumerator_t *e = malloc_thing(ike_enumerator_t);
+
+	e->this = this;
+	e->me = me;
+	e->other = other;
+	e->current = NULL;
+	e->public.enumerate = (void*)ike_enumerator_enumerate;
+	e->public.destroy = (void*)ike_enumerator_destroy;
+
+	e->inner = this->db->query(this->db,
+			"SELECT certreq, force_encap, local, remote "
+			"FROM ike_configs",
+			DB_INT, DB_INT, DB_TEXT, DB_TEXT);
+	if (!e->inner)
+	{
+		free(e);
+		return NULL;
+	}
+	return &e->public;
+}
+
+
+typedef struct {
+	/** implements enumerator */
+	enumerator_t public;
+	/** reference to context */
+	private_sql_config_t *this;
+	/** filtering own identity */
+	identification_t *me;
+	/** filtering remote identity */
+	identification_t *other;
+	/** inner SQL enumerator */
+	enumerator_t *inner;
+	/** currently enumerated peer config */
+	peer_cfg_t *current;
+} peer_enumerator_t;
+
+/**
+ * Implementation of peer_enumerator_t.public.enumerate
+ */
+static bool peer_enumerator_enumerate(peer_enumerator_t *this, peer_cfg_t **cfg)
+{
+	DESTROY_IF(this->current);
+	this->current = build_peer_cfg(this->this, this->inner, this->me, this->other);
+	if (this->current)
+	{
+		*cfg = this->current;
+		return TRUE;
+	}
+	return FALSE;
+}
+
+/**
+ * Implementation of peer_enumerator_t.public.destroy
+ */
+static void peer_enumerator_destroy(peer_enumerator_t *this)
+{
+	DESTROY_IF(this->current);
+	this->inner->destroy(this->inner);
+	free(this);
+}
+
+/**
+ * Implementation of backend_t.create_peer_cfg_enumerator.
+ */
+static enumerator_t* create_peer_cfg_enumerator(private_sql_config_t *this,
+												identification_t *me,
+												identification_t *other)
+{
+	peer_enumerator_t *e = malloc_thing(peer_enumerator_t);
+
+	e->this = this;
+	e->me = me;
+	e->other = other;
+	e->current = NULL;
+	e->public.enumerate = (void*)peer_enumerator_enumerate;
+	e->public.destroy = (void*)peer_enumerator_destroy;
+
+	/* TODO: only get configs whose IDs match exactly or contain wildcards */
+	e->inner = this->db->query(this->db,
+			"SELECT c.id, name, ike_cfg, l.type, l.data, r.type, r.data, "
+			"cert_policy, uniqueid, auth_method, eap_type, eap_vendor, "
+			"keyingtries, rekeytime, reauthtime, jitter, overtime, mobike, "
+			"dpd_delay, virtual, pool, "
+			"mediation, mediated_by, COALESCE(p.type, 0), p.data "
+			"FROM peer_configs AS c "
+			"JOIN identities AS l ON local_id = l.id "
+			"JOIN identities AS r ON remote_id = r.id "
+			"LEFT JOIN identities AS p ON peer_id = p.id "
+			"WHERE ike_version = ?",
+			DB_INT, 2,
+			DB_INT, DB_TEXT, DB_INT, DB_INT, DB_BLOB, DB_INT, DB_BLOB,
+			DB_INT, DB_INT, DB_INT, DB_INT, DB_INT,
+			DB_INT, DB_INT, DB_INT, DB_INT, DB_INT, DB_INT,
+			DB_INT,	DB_TEXT, DB_TEXT,
+			DB_INT, DB_INT, DB_INT, DB_BLOB);
+	if (!e->inner)
+	{
+		free(e);
+		return NULL;
+	}
+	return &e->public;
+}
+
+/**
+ * Implementation of sql_config_t.destroy.
+ */
+static void destroy(private_sql_config_t *this)
+{
+	free(this);
+}
+
+/**
+ * Described in header.
+ */
+sql_config_t *sql_config_create(database_t *db)
+{
+	private_sql_config_t *this = malloc_thing(private_sql_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.destroy = (void(*)(sql_config_t*))destroy;
+
+	this->db = db;
+
+	return &this->public;
+}
+
diff --git a/src/libcharon/plugins/sql/sql_config.h b/src/libcharon/plugins/sql/sql_config.h
new file mode 100644
index 000000000..700d00a97
--- /dev/null
+++ b/src/libcharon/plugins/sql/sql_config.h
@@ -0,0 +1,53 @@
+/*
+ * 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.
+ */
+
+/**
+ * @defgroup sql_config_i sql_config
+ * @{ @ingroup sql
+ */
+
+#ifndef SQL_CONFIG_H_
+#define SQL_CONFIG_H_
+
+#include <config/backend.h>
+#include <database/database.h>
+
+typedef struct sql_config_t sql_config_t;
+
+/**
+ * SQL database configuration backend.
+ */
+struct sql_config_t {
+
+	/**
+	 * Implements backend_t interface
+	 */
+	backend_t backend;
+
+	/**
+	 * Destry the backend.
+	 */
+	void (*destroy)(sql_config_t *this);
+};
+
+/**
+ * Create a sql_config backend instance.
+ *
+ * @param db		underlying database
+ * @return			backend instance
+ */
+sql_config_t *sql_config_create(database_t *db);
+
+#endif /** SQL_CONFIG_H_ @}*/
diff --git a/src/libcharon/plugins/sql/sql_cred.c b/src/libcharon/plugins/sql/sql_cred.c
new file mode 100644
index 000000000..12f4ab045
--- /dev/null
+++ b/src/libcharon/plugins/sql/sql_cred.c
@@ -0,0 +1,365 @@
+/*
+ * 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.
+ */
+
+#include <string.h>
+
+#include "sql_cred.h"
+
+#include <daemon.h>
+
+typedef struct private_sql_cred_t private_sql_cred_t;
+
+/**
+ * Private data of an sql_cred_t object
+ */
+struct private_sql_cred_t {
+
+	/**
+	 * Public part
+	 */
+	sql_cred_t public;
+
+	/**
+	 * database connection
+	 */
+	database_t *db;
+};
+
+/**
+ * enumerator over private keys
+ */
+typedef struct {
+	/** implements enumerator */
+	enumerator_t public;
+	/** inner SQL enumerator */
+	enumerator_t *inner;
+	/** currently enumerated private key */
+	private_key_t *current;
+} private_enumerator_t;
+
+/**
+ * Implementation of private_enumerator_t.public.enumerate
+ */
+static bool private_enumerator_enumerate(private_enumerator_t *this,
+										 private_key_t **key)
+{
+	chunk_t blob;
+	int type;
+
+	DESTROY_IF(this->current);
+	while (this->inner->enumerate(this->inner, &type, &blob))
+	{
+		this->current = lib->creds->create(lib->creds, CRED_PRIVATE_KEY, type,
+										   BUILD_BLOB_ASN1_DER, blob,
+										   BUILD_END);
+		if (this->current)
+		{
+			*key = this->current;
+			return TRUE;
+		}
+	}
+	this->current = NULL;
+	return FALSE;
+}
+
+/**
+ * Implementation of private_enumerator_t.public.destroy
+ */
+static void private_enumerator_destroy(private_enumerator_t *this)
+{
+	DESTROY_IF(this->current);
+	this->inner->destroy(this->inner);
+	free(this);
+}
+
+/**
+ * Implementation of credential_set_t.create_private_enumerator.
+ */
+static enumerator_t* create_private_enumerator(private_sql_cred_t *this,
+											   key_type_t type,
+											   identification_t *id)
+{
+	private_enumerator_t *e;
+
+	e = malloc_thing(private_enumerator_t);
+	e->current = NULL;
+	e->public.enumerate = (void*)private_enumerator_enumerate;
+	e->public.destroy = (void*)private_enumerator_destroy;
+	if (id && id->get_type(id) != ID_ANY)
+	{
+		e->inner = this->db->query(this->db,
+				"SELECT p.type, p.data FROM private_keys AS p "
+				"JOIN private_key_identity AS pi ON p.id = pi.private_key "
+				"JOIN identities AS i ON pi.identity = i.id "
+				"WHERE i.type = ? AND i.data = ? AND (? OR p.type = ?)",
+				DB_INT, id->get_type(id), DB_BLOB, id->get_encoding(id),
+				DB_INT, type == KEY_ANY, DB_INT, type,
+				DB_INT, DB_BLOB);
+	}
+	else
+	{
+		e->inner = this->db->query(this->db,
+				"SELECT type, data FROM private_keys WHERE (? OR type = ?)",
+				DB_INT, type == KEY_ANY, DB_INT, type,
+				DB_INT, DB_BLOB);
+	}
+	if (!e->inner)
+	{
+		free(e);
+		return NULL;
+	}
+	return &e->public;
+}
+
+/**
+ * enumerator over certificates
+ */
+typedef struct {
+	/** implements enumerator */
+	enumerator_t public;
+	/** inner SQL enumerator */
+	enumerator_t *inner;
+	/** currently enumerated cert */
+	certificate_t *current;
+} cert_enumerator_t;
+
+/**
+ * Implementation of cert_enumerator_t.public.enumerate
+ */
+static bool cert_enumerator_enumerate(cert_enumerator_t *this,
+									  certificate_t **cert)
+{
+	chunk_t blob;
+	int type;
+
+	DESTROY_IF(this->current);
+	while (this->inner->enumerate(this->inner, &type, &blob))
+	{
+		this->current = lib->creds->create(lib->creds, CRED_CERTIFICATE, type,
+										   BUILD_BLOB_ASN1_DER, blob,
+										   BUILD_END);
+		if (this->current)
+		{
+			*cert = this->current;
+			return TRUE;
+		}
+	}
+	this->current = NULL;
+	return FALSE;
+}
+
+/**
+ * Implementation of cert_enumerator_t.public.destroy
+ */
+static void cert_enumerator_destroy(cert_enumerator_t *this)
+{
+	DESTROY_IF(this->current);
+	this->inner->destroy(this->inner);
+	free(this);
+}
+
+/**
+ * Implementation of credential_set_t.create_cert_enumerator.
+ */
+static enumerator_t* create_cert_enumerator(private_sql_cred_t *this,
+										certificate_type_t cert, key_type_t key,
+										identification_t *id, bool trusted)
+{
+	cert_enumerator_t *e;
+
+	e = malloc_thing(cert_enumerator_t);
+	e->current = NULL;
+	e->public.enumerate = (void*)cert_enumerator_enumerate;
+	e->public.destroy = (void*)cert_enumerator_destroy;
+	if (id && id->get_type(id) != ID_ANY)
+	{
+		e->inner = this->db->query(this->db,
+				"SELECT c.type, c.data FROM certificates AS c "
+				"JOIN certificate_identity AS ci ON c.id = ci.certificate "
+				"JOIN identities AS i ON ci.identity = i.id "
+				"WHERE i.type = ? AND i.data = ? AND "
+				"(? OR c.type = ?) AND (? OR c.keytype = ?)",
+				DB_INT, id->get_type(id), DB_BLOB, id->get_encoding(id),
+				DB_INT, cert == CERT_ANY, DB_INT, cert,
+				DB_INT, key == KEY_ANY, DB_INT, key,
+				DB_INT, DB_BLOB);
+	}
+	else
+	{
+		e->inner = this->db->query(this->db,
+				"SELECT type, data FROM certificates WHERE "
+				"(? OR type = ?) AND (? OR keytype = ?)",
+				DB_INT, cert == CERT_ANY, DB_INT, cert,
+				DB_INT, key == KEY_ANY, DB_INT, key,
+				DB_INT, DB_BLOB);
+	}
+	if (!e->inner)
+	{
+		free(e);
+		return NULL;
+	}
+	return &e->public;
+}
+
+/**
+ * enumerator over shared keys
+ */
+typedef struct {
+	/** implements enumerator */
+	enumerator_t public;
+	/** inner SQL enumerator */
+	enumerator_t *inner;
+	/** own identity */
+	identification_t *me;
+	/** remote identity */
+	identification_t *other;
+	/** currently enumerated private key */
+	shared_key_t *current;
+} shared_enumerator_t;
+
+/**
+ * Implementation of shared_enumerator_t.public.enumerate
+ */
+static bool shared_enumerator_enumerate(shared_enumerator_t *this,
+										shared_key_t **shared,
+										id_match_t *me, id_match_t *other)
+{
+	chunk_t blob;
+	int type;
+
+	DESTROY_IF(this->current);
+	while (this->inner->enumerate(this->inner, &type, &blob))
+	{
+		this->current = shared_key_create(type, chunk_clone(blob));
+		if (this->current)
+		{
+			*shared = this->current;
+			if (me)
+			{
+				*me = this->me ? ID_MATCH_PERFECT : ID_MATCH_ANY;
+			}
+			if (other)
+			{
+				*other = this->other ? ID_MATCH_PERFECT : ID_MATCH_ANY;
+			}
+			return TRUE;
+		}
+	}
+	this->current = NULL;
+	return FALSE;
+}
+
+/**
+ * Implementation of shared_enumerator_t.public.destroy
+ */
+static void shared_enumerator_destroy(shared_enumerator_t *this)
+{
+	DESTROY_IF(this->current);
+	this->inner->destroy(this->inner);
+	free(this);
+}
+
+/**
+ * Implementation of credential_set_t.create_shared_enumerator.
+ */
+static enumerator_t* create_shared_enumerator(private_sql_cred_t *this,
+								  shared_key_type_t type,
+								  identification_t *me, identification_t *other)
+{
+	shared_enumerator_t *e;
+
+	e = malloc_thing(shared_enumerator_t);
+	e->me = me;
+	e->other = other;
+	e->current = NULL;
+	e->public.enumerate = (void*)shared_enumerator_enumerate;
+	e->public.destroy = (void*)shared_enumerator_destroy;
+	if (!me && !other)
+	{
+		e->inner = this->db->query(this->db,
+				"SELECT type, data FROM shared_secrets WHERE  (? OR type = ?)",
+				DB_INT, type == SHARED_ANY, DB_INT, type,
+				DB_INT, DB_BLOB);
+	}
+	else if (me && other)
+	{
+		e->inner = this->db->query(this->db,
+				"SELECT s.type, s.data FROM shared_secrets AS s "
+				"JOIN shared_secret_identity AS sm ON s.id = sm.shared_secret "
+				"JOIN identities AS m ON sm.identity = m.id "
+				"JOIN shared_secret_identity AS so ON s.id = so.shared_secret "
+				"JOIN identities AS o ON so.identity = o.id "
+				"WHERE m.type = ? AND m.data = ? AND o.type = ? AND o.data = ? "
+				"AND (? OR s.type = ?)",
+				DB_INT, me->get_type(me), DB_BLOB, me->get_encoding(me),
+				DB_INT, other->get_type(other), DB_BLOB, other->get_encoding(other),
+				DB_INT, type == SHARED_ANY, DB_INT, type,
+				DB_INT, DB_BLOB);
+	}
+	else
+	{
+		identification_t *id = me ? me : other;
+
+		e->inner = this->db->query(this->db,
+				"SELECT s.type, s.data FROM shared_secrets AS s "
+				"JOIN shared_secret_identity AS si ON s.id = si.shared_secret "
+				"JOIN identities AS i ON si.identity = i.id "
+				"WHERE i.type = ? AND i.data = ? AND (? OR s.type = ?)",
+				DB_INT, id->get_type(id), DB_BLOB, id->get_encoding(id),
+				DB_INT, type == SHARED_ANY, DB_INT, type,
+				DB_INT, DB_BLOB);
+	}
+	if (!e->inner)
+	{
+		free(e);
+		return NULL;
+	}
+	return &e->public;
+}
+
+/**
+ * Implementation of credential_set_t.cache_cert.
+ */
+static void cache_cert(private_sql_cred_t *this, certificate_t *cert)
+{
+	/* TODO: implement CRL caching to database */
+}
+
+/**
+ * Implementation of sql_cred_t.destroy.
+ */
+static void destroy(private_sql_cred_t *this)
+{
+	free(this);
+}
+/**
+ * Described in header.
+ */
+sql_cred_t *sql_cred_create(database_t *db)
+{
+	private_sql_cred_t *this = malloc_thing(private_sql_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.destroy = (void(*)(sql_cred_t*))destroy;
+
+	this->db = db;
+
+	return &this->public;
+}
+
diff --git a/src/libcharon/plugins/sql/sql_cred.h b/src/libcharon/plugins/sql/sql_cred.h
new file mode 100644
index 000000000..7f387398e
--- /dev/null
+++ b/src/libcharon/plugins/sql/sql_cred.h
@@ -0,0 +1,53 @@
+/*
+ * 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.
+ */
+
+/**
+ * @defgroup sql_cred_i sql_cred
+ * @{ @ingroup sql
+ */
+
+#ifndef SQL_CRED_H_
+#define SQL_CRED_H_
+
+#include <credentials/credential_set.h>
+#include <database/database.h>
+
+typedef struct sql_cred_t sql_cred_t;
+
+/**
+ * SQL database credential set.
+ */
+struct sql_cred_t {
+
+	/**
+	 * Implements credential_set_t interface
+	 */
+	credential_set_t set;
+
+	/**
+	 * Destry the backend.
+	 */
+	void (*destroy)(sql_cred_t *this);
+};
+
+/**
+ * Create a sql_cred backend instance.
+ *
+ * @param db		underlying database
+ * @return			credential set
+ */
+sql_cred_t *sql_cred_create(database_t *db);
+
+#endif /** SQL_CRED_H_ @}*/
diff --git a/src/libcharon/plugins/sql/sql_logger.c b/src/libcharon/plugins/sql/sql_logger.c
new file mode 100644
index 000000000..d350c4c3d
--- /dev/null
+++ b/src/libcharon/plugins/sql/sql_logger.c
@@ -0,0 +1,145 @@
+/*
+ * 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.
+ */
+
+#include <string.h>
+
+#include "sql_logger.h"
+
+#include <daemon.h>
+
+typedef struct private_sql_logger_t private_sql_logger_t;
+
+/**
+ * Private data of an sql_logger_t object
+ */
+struct private_sql_logger_t {
+
+	/**
+	 * Public part
+	 */
+	sql_logger_t public;
+
+	/**
+	 * database connection
+	 */
+	database_t *db;
+
+	/**
+	 * logging level
+	 */
+	int level;
+
+	/**
+	 * avoid recursive logging
+	 */
+	bool recursive;
+};
+
+/**
+ * Implementation of bus_listener_t.log.
+ */
+static bool log_(private_sql_logger_t *this, debug_t group, level_t level,
+				 int thread, ike_sa_t* ike_sa, char *format, va_list args)
+{
+	if (this->recursive)
+	{
+		return TRUE;
+	}
+	this->recursive = TRUE;
+
+	if (ike_sa && level <= this->level)
+	{
+		char buffer[8192];
+		chunk_t local_spi, remote_spi;
+		host_t *local_host, *remote_host;
+		identification_t *local_id, *remote_id;
+		u_int64_t ispi, rspi;
+		ike_sa_id_t *id;
+
+		id = ike_sa->get_id(ike_sa);
+		ispi = id->get_initiator_spi(id);
+		rspi = id->get_responder_spi(id);
+		if (id->is_initiator(id))
+		{
+			local_spi.ptr = (char*)&ispi;
+			remote_spi.ptr = (char*)&rspi;
+		}
+		else
+		{
+			local_spi.ptr = (char*)&rspi;
+			remote_spi.ptr = (char*)&ispi;
+		}
+		local_spi.len = remote_spi.len = sizeof(ispi);
+		local_id = ike_sa->get_my_id(ike_sa);
+		remote_id = ike_sa->get_other_id(ike_sa);
+		local_host = ike_sa->get_my_host(ike_sa);
+		remote_host = ike_sa->get_other_host(ike_sa);
+
+		vsnprintf(buffer, sizeof(buffer), format, args);
+
+		this->db->execute(this->db, NULL, "REPLACE INTO ike_sas ("
+						  "local_spi, remote_spi, id, initiator, "
+						  "local_id_type, local_id_data, "
+						  "remote_id_type, remote_id_data, "
+						  "host_family, local_host_data, remote_host_data) "
+						  "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
+						  DB_BLOB, local_spi, DB_BLOB, remote_spi,
+						  DB_INT, ike_sa->get_unique_id(ike_sa),
+						  DB_INT, id->is_initiator(id),
+						  DB_INT, local_id->get_type(local_id),
+						  DB_BLOB, local_id->get_encoding(local_id),
+						  DB_INT, remote_id->get_type(remote_id),
+						  DB_BLOB, remote_id->get_encoding(remote_id),
+						  DB_INT, local_host->get_family(local_host),
+						  DB_BLOB, local_host->get_address(local_host),
+						  DB_BLOB, remote_host->get_address(remote_host));
+		this->db->execute(this->db, NULL, "INSERT INTO logs ("
+						  "local_spi, signal, level, msg) VALUES (?, ?, ?, ?)",
+						  DB_BLOB, local_spi, DB_INT, group, DB_INT, level,
+						  DB_TEXT, buffer);
+	}
+	this->recursive = FALSE;
+	/* always stay registered */
+	return TRUE;
+}
+
+/**
+ * Implementation of sql_logger_t.destroy.
+ */
+static void destroy(private_sql_logger_t *this)
+{
+	free(this);
+}
+
+/**
+ * Described in header.
+ */
+sql_logger_t *sql_logger_create(database_t *db)
+{
+	private_sql_logger_t *this = malloc_thing(private_sql_logger_t);
+
+	memset(&this->public.listener, 0, sizeof(listener_t));
+	this->public.listener.log = (bool(*)(listener_t*,debug_t,level_t,int,ike_sa_t*,char*,va_list))log_;
+	this->public.destroy = (void(*)(sql_logger_t*))destroy;
+
+	this->db = db;
+	this->recursive = FALSE;
+
+	this->level = lib->settings->get_int(lib->settings,
+										 "charon.plugins.sql.loglevel", -1);
+
+	return &this->public;
+}
+
diff --git a/src/libcharon/plugins/sql/sql_logger.h b/src/libcharon/plugins/sql/sql_logger.h
new file mode 100644
index 000000000..a933705da
--- /dev/null
+++ b/src/libcharon/plugins/sql/sql_logger.h
@@ -0,0 +1,53 @@
+/*
+ * 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.
+ */
+
+/**
+ * @defgroup sql_logger_i sql_logger
+ * @{ @ingroup sql
+ */
+
+#ifndef SQL_LOGGER_H_
+#define SQL_LOGGER_H_
+
+#include <bus/bus.h>
+#include <database/database.h>
+
+typedef struct sql_logger_t sql_logger_t;
+
+/**
+ * SQL database logger.
+ */
+struct sql_logger_t {
+
+	/**
+	 * Implements bus_listener_t interface
+	 */
+	listener_t listener;
+
+	/**
+	 * Destry the backend.
+	 */
+	void (*destroy)(sql_logger_t *this);
+};
+
+/**
+ * Create a sql_logger instance.
+ *
+ * @param db		underlying database
+ * @return			logger instance
+ */
+sql_logger_t *sql_logger_create(database_t *db);
+
+#endif /** SQL_LOGGER_H_ @}*/
diff --git a/src/libcharon/plugins/sql/sql_plugin.c b/src/libcharon/plugins/sql/sql_plugin.c
new file mode 100644
index 000000000..e2d2d63b3
--- /dev/null
+++ b/src/libcharon/plugins/sql/sql_plugin.c
@@ -0,0 +1,107 @@
+/*
+ * 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.
+ */
+
+#include "sql_plugin.h"
+
+#include <daemon.h>
+#include "sql_config.h"
+#include "sql_cred.h"
+#include "sql_logger.h"
+
+typedef struct private_sql_plugin_t private_sql_plugin_t;
+
+/**
+ * private data of sql plugin
+ */
+struct private_sql_plugin_t {
+
+	/**
+	 * implements plugin interface
+	 */
+	sql_plugin_t public;
+
+	/**
+	 * database connection instance
+	 */
+	database_t *db;
+
+	/**
+	 * configuration backend
+	 */
+	sql_config_t *config;
+
+	/**
+	 * credential set
+	 */
+	sql_cred_t *cred;
+
+	/**
+	 * bus listener/logger
+	 */
+	sql_logger_t *logger;
+};
+
+/**
+ * Implementation of plugin_t.destroy
+ */
+static void destroy(private_sql_plugin_t *this)
+{
+	charon->backends->remove_backend(charon->backends, &this->config->backend);
+	charon->credentials->remove_set(charon->credentials, &this->cred->set);
+	charon->bus->remove_listener(charon->bus, &this->logger->listener);
+	this->config->destroy(this->config);
+	this->cred->destroy(this->cred);
+	this->logger->destroy(this->logger);
+	this->db->destroy(this->db);
+	free(this);
+}
+
+/*
+ * see header file
+ */
+plugin_t *sql_plugin_create()
+{
+	char *uri;
+	private_sql_plugin_t *this;
+
+	uri = lib->settings->get_str(lib->settings, "charon.plugins.sql.database", NULL);
+	if (!uri)
+	{
+		DBG1(DBG_CFG, "sql plugin: database URI not set");
+		return NULL;
+	}
+
+	this = malloc_thing(private_sql_plugin_t);
+
+	this->public.plugin.destroy = (void(*)(plugin_t*))destroy;
+
+	this->db = lib->db->create(lib->db, uri);
+	if (!this->db)
+	{
+		DBG1(DBG_CFG, "sql plugin failed to connect to database");
+		free(this);
+		return NULL;
+	}
+	this->config = sql_config_create(this->db);
+	this->cred = sql_cred_create(this->db);
+	this->logger = sql_logger_create(this->db);
+
+	charon->backends->add_backend(charon->backends, &this->config->backend);
+	charon->credentials->add_set(charon->credentials, &this->cred->set);
+	charon->bus->add_listener(charon->bus, &this->logger->listener);
+
+	return &this->public.plugin;
+}
+
diff --git a/src/libcharon/plugins/sql/sql_plugin.h b/src/libcharon/plugins/sql/sql_plugin.h
new file mode 100644
index 000000000..c6f9ba905
--- /dev/null
+++ b/src/libcharon/plugins/sql/sql_plugin.h
@@ -0,0 +1,42 @@
+/*
+ * 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.
+ */
+
+/**
+ * @defgroup sql sql
+ * @ingroup cplugins
+ *
+ * @defgroup sql_plugin sql_plugin
+ * @{ @ingroup sql
+ */
+
+#ifndef SQL_PLUGIN_H_
+#define SQL_PLUGIN_H_
+
+#include <plugins/plugin.h>
+
+typedef struct sql_plugin_t sql_plugin_t;
+
+/**
+ * SQL database configuration plugin
+ */
+struct sql_plugin_t {
+
+	/**
+	 * implements plugin interface
+	 */
+	plugin_t plugin;
+};
+
+#endif /** SQL_PLUGIN_H_ @}*/