[svn-upgrade] Integrating new upstream version, strongswan (4.2.4)

13 files changed, 2993 insertions, 0 deletions

diff --git a/src/charon/plugins/sql/Makefile.am b/src/charon/plugins/sql/Makefile.am
new file mode 100644
index 000000000..ea39ce0d5
--- /dev/null
+++ b/src/charon/plugins/sql/Makefile.am
@@ -0,0 +1,17 @@
+
+INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/charon
+
+AM_CFLAGS = -rdynamic \
+  -DSTRONGSWAN_CONF=\"${strongswan_conf}\" \
+  -DIPSEC_PLUGINDIR=\"${plugindir}\" \
+  -DPLUGINS=\""${libstrongswan_plugins}\""
+
+plugin_LTLIBRARIES = libstrongswan-sql.la
+libstrongswan_sql_la_SOURCES = sql_plugin.h sql_plugin.c \
+  sql_config.h sql_config.c sql_cred.h sql_cred.c \
+  sql_attribute.h sql_attribute.c sql_logger.h sql_logger.c
+libstrongswan_sql_la_LDFLAGS = -module
+
+ipsec_PROGRAMS = pool
+pool_SOURCES = pool.c
+pool_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la
diff --git a/src/charon/plugins/sql/Makefile.in b/src/charon/plugins/sql/Makefile.in
new file mode 100644
index 000000000..babc11ecb
--- /dev/null
+++ b/src/charon/plugins/sql/Makefile.in
@@ -0,0 +1,549 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
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+
+
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+am_libstrongswan_sql_la_OBJECTS = sql_plugin.lo sql_config.lo \
+	sql_cred.lo sql_attribute.lo sql_logger.lo
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+  -DPLUGINS=\""${libstrongswan_plugins}\""
+
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+libstrongswan_sql_la_SOURCES = sql_plugin.h sql_plugin.c \
+  sql_config.h sql_config.c sql_cred.h sql_cred.c \
+  sql_attribute.h sql_attribute.c sql_logger.h sql_logger.c
+
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+
+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 $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-ipsecPROGRAMS clean-libtool \
+	clean-pluginLTLIBRARIES mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am: install-ipsecPROGRAMS install-pluginLTLIBRARIES
+
+install-dvi: install-dvi-am
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-info: install-info-am
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-ps: 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-ipsecPROGRAMS uninstall-pluginLTLIBRARIES
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-ipsecPROGRAMS 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-ipsecPROGRAMS 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-ipsecPROGRAMS \
+	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/sql/pool.c b/src/charon/plugins/sql/pool.c
new file mode 100644
index 000000000..86ceddeee
--- /dev/null
+++ b/src/charon/plugins/sql/pool.c
@@ -0,0 +1,726 @@
+/*
+ * 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.
+ * 
+ * $Id$
+ */
+
+#define _GNU_SOURCE
+#include <getopt.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <time.h>
+
+#include <debug.h>
+#include <library.h>
+#include <utils/host.h>
+
+/**
+ * global database handle
+ */
+database_t *db;
+
+/**
+ * --start/--end addresses of various subcommands
+ */
+host_t *start = NULL, *end = NULL;
+
+/**
+ * create a host from a blob
+ */
+static host_t *host_create_from_blob(chunk_t blob)
+{
+	return host_create_from_chunk(blob.len == 4 ? AF_INET : AF_INET6, blob, 0);
+}
+
+/**
+ * calculate the size of a pool using start and end address chunk
+ */
+static u_int get_pool_size(chunk_t start, chunk_t end)
+{
+	u_int *start_ptr, *end_ptr;
+
+	if (start.len < sizeof(u_int) || end.len < sizeof(u_int))
+	{
+		return 0;	
+	}
+	start_ptr = (u_int*)(start.ptr + start.len - sizeof(u_int));
+	end_ptr = (u_int*)(end.ptr + end.len - sizeof(u_int));
+	return ntohl(*end_ptr) -  ntohl(*start_ptr) + 1;
+}
+
+/**
+ * print usage info
+ */
+static void usage(void)
+{
+	printf("\
+Usage:\n\
+  ipsec pool --status|--add|--del|--resize|--purge [options]\n\
+  \n\
+  ipsec pool --status\n\
+    Show a list of installed pools with statistics.\n\
+  \n\
+  ipsec pool --add <name> --start <start> --end <end> [--timeout <timeout>]\n\
+    Add a new pool to the database.\n\
+      name:    Name of the pool, as used in ipsec.conf rightsourceip=%%name\n\
+      start:   Start address of the pool\n\
+      end:     End address of the pool\n\
+      timeout: Lease time in hours, 0 for static leases\n\
+  \n\
+  ipsec pool --del <name>\n\
+    Delete a pool from the database.\n\
+      name:   Name of the pool to delete\n\
+  \n\
+  ipsec pool --resize <name> --end <end>\n\
+    Grow or shrink an existing pool.\n\
+      name:   Name of the pool to resize\n\
+      end:    New end address for the pool\n\
+  \n\
+  ipsec pool --leases <name> [--filter <filter>] [--utc]\n\
+    Show lease information using filters:\n\
+      name:   Name of the pool to show leases from\n\
+      filter: Filter string containing comma separated key=value filters,\n\
+              e.g. id=alice@strongswan.org,addr=1.1.1.1\n\
+                  pool:   name of the pool\n\
+                  id:     assigned identity of the lease\n\
+                  addr:   lease IP address\n\
+                  tstamp: UNIX timestamp when lease was valid, as integer\n\
+                  status: status of the lease: online|valid|expired\n\
+      utc:    Show times in UTC instead of local time\n\
+  \n\
+  ipsec pool --purge <name>\n\
+    Delete expired leases of a pool:\n\
+      name:   Name of the pool to purge\n\
+  \n");
+	exit(0);
+}
+
+/**
+ * ipsec pool --status - show pool overview
+ */
+static void status(void)
+{
+	enumerator_t *pool, *lease;
+	bool found = FALSE;
+	
+	pool = db->query(db, "SELECT id, name, start, end, timeout FROM pools",
+					 DB_INT, DB_TEXT, DB_BLOB, DB_BLOB, DB_UINT);
+	if (pool)
+	{
+		char *name;
+		chunk_t start_chunk, end_chunk;
+		host_t *start, *end;
+		u_int id, timeout, online = 0, used = 0, size = 0;
+	
+		while (pool->enumerate(pool, &id, &name,
+							   &start_chunk, &end_chunk, &timeout))
+		{
+			if (!found)
+			{
+				printf("%8s %15s %15s %8s %6s %11s %11s\n",
+					   "name", "start", "end", "timeout", "size", "online", "leases");
+				found = TRUE;
+			}
+			
+			start = host_create_from_blob(start_chunk);
+			end = host_create_from_blob(end_chunk);
+			size = get_pool_size(start_chunk, end_chunk);
+			printf("%8s %15H %15H ", name, start, end);
+			if (timeout)
+			{
+				printf("%7dh ", timeout/3600);
+			}
+			else
+			{
+				printf("%8s ", "static");
+			}
+			printf("%6d ", size);
+			/* get number of online hosts */
+			lease = db->query(db, "SELECT COUNT(*) FROM leases "
+							  "WHERE pool = ? AND released IS NULL",
+							  DB_UINT, id, DB_INT);
+			if (lease)
+			{
+				lease->enumerate(lease, &online);
+				lease->destroy(lease);
+			}
+			printf("%5d (%2d%%) ", online, online*100/size);
+			/* get number of online or valid lieases */
+			lease = db->query(db, "SELECT COUNT(*) FROM leases JOIN pools "
+							  "ON leases.pool = pools.id "
+							  "WHERE pools.id = ? "
+							  "AND (released IS NULL OR released > ? - timeout) ",
+							  DB_UINT, id, DB_UINT, time(NULL), DB_UINT);
+			if (lease)
+			{
+				lease->enumerate(lease, &used);
+				lease->destroy(lease);
+			}
+			printf("%5d (%2d%%) ", used, used*100/size);
+			
+			printf("\n");
+			DESTROY_IF(start);
+			DESTROY_IF(end);
+		}
+		pool->destroy(pool);
+	}
+	if (!found)
+	{
+		printf("no pools found.\n");
+	}
+	exit(0);
+}
+
+/**
+ * ipsec pool --add - add a new pool
+ */
+static void add(char *name, host_t *start, host_t *end, int timeout)
+{
+	chunk_t start_addr, end_addr;
+	
+	start_addr = start->get_address(start);
+	end_addr = end->get_address(end);
+
+	if (start_addr.len != end_addr.len ||
+		memcmp(start_addr.ptr, end_addr.ptr, start_addr.len) > 0)
+	{
+		fprintf(stderr, "invalid start/end pair specified.\n");
+		exit(-1);
+	}
+	if (db->execute(db, NULL,
+			"INSERT INTO pools (name, start, end, next, timeout) "
+			"VALUES (?, ?, ?, ?, ?)",
+			DB_TEXT, name, DB_BLOB, start_addr,
+			DB_BLOB, end_addr, DB_BLOB, start_addr,
+			DB_INT, timeout*3600) != 1)
+	{
+		fprintf(stderr, "creating pool failed.\n");
+		exit(-1);
+	}
+	exit(0);
+}
+
+/**
+ * ipsec pool --del - delete a pool
+ */
+static void del(char *name)
+{
+	enumerator_t *query;
+	u_int id;
+	bool found = FALSE;
+	
+	query = db->query(db, "SELECT id FROM pools WHERE name = ?",
+					  DB_TEXT, name, DB_UINT);
+	if (!query)
+	{
+		fprintf(stderr, "deleting pool failed.\n");
+		exit(-1);
+	}
+	while (query->enumerate(query, &id))
+	{
+		found = TRUE;
+		if (db->execute(db, NULL,
+				"DELETE FROM pools WHERE id = ?", DB_UINT, id) != 1 ||
+			db->execute(db, NULL,
+				"DELETE FROM leases WHERE pool = ?", DB_UINT, id) < 0)
+		{
+			fprintf(stderr, "deleting pool failed.\n");
+			query->destroy(query);
+			exit(-1);
+		}
+	}
+	query->destroy(query);
+	if (!found)
+	{
+		fprintf(stderr, "pool '%s' not found.\n", name);
+		exit(-1);
+	}
+	exit(0);
+}
+
+/**
+ * ipsec pool --resize - resize a pool
+ */
+static void resize(char *name, host_t *end)
+{
+	enumerator_t *query;
+	chunk_t next_addr, end_addr;
+	
+	end_addr = end->get_address(end);
+	
+	query = db->query(db, "SELECT next FROM pools WHERE name = ?",
+					  DB_TEXT, name, DB_BLOB);
+	if (!query || !query->enumerate(query, &next_addr))
+	{
+		DESTROY_IF(query);
+		fprintf(stderr, "resizing pool failed.\n");
+		exit(-1);
+	}
+	if (next_addr.len != end_addr.len ||
+		memcmp(end_addr.ptr, next_addr.ptr, end_addr.len) < 0)
+	{
+		end = host_create_from_blob(next_addr);
+		fprintf(stderr, "pool addresses up to %H in use, resizing failed.\n", end);
+		end->destroy(end);
+		query->destroy(query);
+		exit(-1);
+	}
+	query->destroy(query);
+
+	if (db->execute(db, NULL,
+			"UPDATE pools SET end = ? WHERE name = ?",
+			DB_BLOB, end_addr, DB_TEXT, name) <= 0)
+	{
+		fprintf(stderr, "pool '%s' not found.\n", name);
+		exit(-1);
+	}
+	exit(0);
+}
+
+/**
+ * create the lease query using the filter string
+ */
+static enumerator_t *create_lease_query(char *filter)
+{
+	enumerator_t *query;
+	identification_t *id = NULL;
+	host_t *addr = NULL;
+	u_int tstamp = 0;
+	bool online = FALSE, valid = FALSE, expired = FALSE;
+	char *value, *pos, *pool = NULL;
+	enum {
+		FIL_POOL = 0,
+		FIL_ID,
+		FIL_ADDR,
+		FIL_TSTAMP,
+		FIL_STATE,
+	};
+	char *const token[] = {
+		[FIL_POOL] = "pool",
+		[FIL_ID] = "id",
+		[FIL_ADDR] = "addr",
+		[FIL_TSTAMP] = "tstamp",
+		[FIL_STATE] = "status",
+		NULL
+	};
+	
+	/* if the filter string contains a distinguished name as a ID, we replace
+	 * ", " by "/ " in order to not confuse the getsubopt parser */
+	pos = filter;
+	while ((pos = strchr(pos, ',')))
+	{
+		if (pos[1] == ' ')
+		{
+			pos[0] = '/';
+		}
+		pos++;
+	}
+	
+	while (filter && *filter != '\0')
+	{
+		switch (getsubopt(&filter, token, &value))
+		{
+			case FIL_POOL:
+				if (value)
+				{
+					pool = value;
+				}
+				break;
+			case FIL_ID:
+				if (value)
+				{
+					id = identification_create_from_string(value);
+				}
+				if (!id)
+				{
+					fprintf(stderr, "invalid 'id' in filter string.\n");
+					exit(-1);
+				}
+				break;
+			case FIL_ADDR:
+				if (value)
+				{
+					addr = host_create_from_string(value, 0);
+				}
+				if (!addr)
+				{
+					fprintf(stderr, "invalid 'addr' in filter string.\n");
+					exit(-1);
+				}
+				break;
+			case FIL_TSTAMP:
+				if (value)
+				{
+					tstamp = atoi(value);
+				}
+				if (tstamp == 0)
+				{
+					online = TRUE;
+				}
+				break;
+			case FIL_STATE:
+				if (value)
+				{
+					if (streq(value, "online"))
+					{
+						online = TRUE;
+					}
+					else if (streq(value, "valid"))
+					{
+						valid = TRUE;
+					}
+					else if (streq(value, "expired"))
+					{
+						expired = TRUE;
+					}
+					else
+					{
+						fprintf(stderr, "invalid 'state' in filter string.\n");
+						exit(-1);
+					}
+				}
+				break;
+			default:
+				fprintf(stderr, "invalid filter string.\n");
+				exit(-1);
+				break;
+		}
+	}
+	query = db->query(db,
+				"SELECT name, address, identities.type, "
+				"identities.data, acquired, released, timeout "
+				"FROM leases JOIN pools ON leases.pool = pools.id "
+				"JOIN identities ON leases.identity = identities.id "
+				"WHERE (? OR name = ?) "
+				"AND (? OR (identities.type = ? AND identities.data = ?)) "
+				"AND (? OR address = ?) "
+				"AND (? OR (? >= acquired AND (? <= released OR released IS NULL))) "
+				"AND (? OR released IS NULL) "
+				"AND (? OR released > ? - timeout) "
+				"AND (? OR released < ? - timeout)",
+				DB_INT, pool == NULL, DB_TEXT, pool,
+				DB_INT, id == NULL,
+					DB_INT, id ? id->get_type(id) : 0,
+					DB_BLOB, id ? id->get_encoding(id) : chunk_empty,
+				DB_INT, addr == NULL,
+					DB_BLOB, addr ? addr->get_address(addr) : chunk_empty,
+				DB_INT, tstamp == 0, DB_UINT, tstamp, DB_UINT, tstamp,
+				DB_INT, !online,
+				DB_INT, !valid, DB_INT, time(NULL),
+				DB_INT, !expired, DB_INT, time(NULL),
+				DB_TEXT, DB_BLOB, DB_INT, DB_BLOB, DB_UINT, DB_UINT, DB_UINT);
+	/* id and addr leak but we can't destroy them until query is destroyed. */
+	return query;
+}
+
+/**
+ * ipsec pool --leases - show lease information of a pool
+ */
+static void leases(char *filter, bool utc)
+{
+	enumerator_t *query;
+	chunk_t address_chunk, identity_chunk;
+	int identity_type;
+	char *name;
+	u_int acquired, released, timeout;
+	host_t *address;
+	identification_t *identity;
+	bool found = FALSE;
+	
+	query = create_lease_query(filter);
+	if (!query)
+	{
+		fprintf(stderr, "querying leases failed.\n");
+		exit(-1);
+	}
+	while (query->enumerate(query, &name, &address_chunk, &identity_type,
+							&identity_chunk, &acquired, &released, &timeout))
+	{
+		if (!found)
+		{
+			int len = utc ? 25 : 21;
+
+			found = TRUE;
+			printf("%-8s %-15s %-7s  %-*s %-*s %s\n",
+				   "name", "address", "status", len, "start", len, "end", "identity");
+		}
+		address = host_create_from_blob(address_chunk);
+		identity = identification_create_from_encoding(identity_type, identity_chunk);
+		
+		printf("%-8s %-15H ", name, address);
+		if (released == 0)
+		{
+			printf("%-7s ", "online");
+		}
+		else if (timeout == 0)
+		{
+			printf("%-7s ", "static");
+		}
+		else if (released >= time(NULL) - timeout)
+		{
+			printf("%-7s ", "valid");
+		}
+		else
+		{
+			printf("%-7s ", "expired");
+		}
+		
+		printf(" %#T  ", &acquired, utc);
+		if (released)
+		{
+			printf("%#T  ", &released, utc);
+		}
+		else
+		{
+			printf("                      ");
+			if (utc)
+			{
+				printf("    ");
+			}
+		}
+		printf("%D\n", identity);
+		DESTROY_IF(address);
+		identity->destroy(identity);
+	}
+	query->destroy(query);
+	if (!found)
+	{
+		fprintf(stderr, "no matching leases found.\n");
+		exit(-1);
+	}
+	exit(0);
+}
+
+/**
+ * ipsec pool --purge - delete expired leases
+ */
+static void purge(char *name)
+{
+	enumerator_t *query;
+	u_int id, timeout, purged = 0;
+	
+	query = db->query(db, "SELECT id, timeout FROM pools WHERE name = ?",
+					  DB_TEXT, name, DB_UINT, DB_UINT);
+	if (!query)
+	{
+		fprintf(stderr, "purging pool failed.\n");
+		exit(-1);
+	}
+	/* we have to keep one lease if we purge. It wouldn't be reallocateable
+	 * as we move on the "next" address for speedy allocation */
+	if (query->enumerate(query, &id, &timeout))
+	{
+		timeout = time(NULL) - timeout;
+		purged = db->execute(db, NULL,
+					"DELETE FROM leases WHERE pool = ? "
+					"AND released IS NOT NULL AND released < ? AND id NOT IN ("
+					" SELECT id FROM leases "
+					" WHERE released IS NOT NULL and released < ? "
+					" GROUP BY address)",
+					DB_UINT, id, DB_UINT, timeout, DB_UINT, timeout);
+	}
+	query->destroy(query);
+	fprintf(stderr, "purged %d leases in pool '%s'.\n", purged, name);
+	exit(0);
+}
+
+/**
+ * atexit handler to close db on shutdown
+ */
+static void cleanup(void)
+{
+	db->destroy(db);
+	DESTROY_IF(start);
+	DESTROY_IF(end);
+}
+
+/**
+ * Logging hook for library logs, using stderr output
+ */
+static void dbg_stderr(int level, char *fmt, ...)
+{
+	va_list args;
+	
+	if (level <= 1)
+	{
+		va_start(args, fmt);
+		vfprintf(stderr, fmt, args);
+		fprintf(stderr, "\n");
+		va_end(args);
+	}
+}
+
+int main(int argc, char *argv[])
+{
+	char *uri, *name = "", *filter = "";
+	int timeout = 0;
+	bool utc = FALSE;
+	enum {
+		OP_USAGE,
+		OP_STATUS,
+		OP_ADD,
+		OP_DEL,
+		OP_RESIZE,
+		OP_LEASES,
+		OP_PURGE,
+	} operation = OP_USAGE;
+
+	dbg = dbg_stderr;
+	library_init(STRONGSWAN_CONF);
+	atexit(library_deinit);
+	lib->plugins->load(lib->plugins, IPSEC_PLUGINDIR,
+		lib->settings->get_str(lib->settings, "pool.load", PLUGINS));
+	
+	uri = lib->settings->get_str(lib->settings, "charon.plugins.sql.database", NULL);
+	if (!uri)
+	{
+		fprintf(stderr, "database URI charon.plugins.sql.database not set.\n");
+		exit(-1);
+	}
+	db = lib->db->create(lib->db, uri);
+	if (!db)
+	{
+		fprintf(stderr, "opening database failed.\n");
+		exit(-1);
+	}
+	atexit(cleanup);
+	
+	while (TRUE)
+	{
+		int c;
+		
+		struct option long_opts[] = {
+			{ "help", no_argument, NULL, 'h' },
+		
+			{ "utc", no_argument, NULL, 'u' },
+			{ "status", no_argument, NULL, 'w' },
+			{ "add", required_argument, NULL, 'a' },
+			{ "del", required_argument, NULL, 'd' },
+			{ "resize", required_argument, NULL, 'r' },
+			{ "leases", no_argument, NULL, 'l' },
+			{ "purge", required_argument, NULL, 'p' },
+			
+			{ "start", required_argument, NULL, 's' },
+			{ "end", required_argument, NULL, 'e' },
+			{ "timeout", required_argument, NULL, 't' },
+			{ "filter", required_argument, NULL, 'f' },
+			{ 0,0,0,0 }
+		};
+		
+		c = getopt_long(argc, argv, "", long_opts, NULL);
+		switch (c)
+		{
+			case EOF:
+	    		break;
+			case 'h':
+				break;
+			case 'w':
+				operation = OP_STATUS;
+				break;
+			case 'u':
+				utc = TRUE;
+				continue;
+			case 'a':
+				operation = OP_ADD;
+				name = optarg;
+				continue;
+			case 'd':
+				operation = OP_DEL;
+				name = optarg;
+				continue;
+			case 'r':
+				operation = OP_RESIZE;
+				name = optarg;
+				continue;
+			case 'l':
+				operation = OP_LEASES;
+				continue;
+			case 'p':
+				operation = OP_PURGE;
+				name = optarg;
+				continue;
+			case 's':
+				start = host_create_from_string(optarg, 0);
+				if (start == NULL)
+				{
+					fprintf(stderr, "invalid start address: '%s'.\n", optarg);
+					operation = OP_USAGE;
+					break;
+				}
+				continue;
+			case 'e':
+				end = host_create_from_string(optarg, 0);
+				if (end == NULL)
+				{
+					fprintf(stderr, "invalid end address: '%s'.\n", optarg);
+					operation = OP_USAGE;
+					break;
+				}
+				continue;
+			case 't':
+				timeout = atoi(optarg);
+				if (timeout == 0 && strcmp(optarg, "0") != 0)
+				{
+					fprintf(stderr, "invalid timeout '%s'.\n", optarg);
+					operation = OP_USAGE;
+					break;
+				}
+				continue;
+			case 'f':
+				filter = optarg;
+				continue;
+			default:
+				operation = OP_USAGE;
+				break;
+		}
+		break;
+	}
+	
+	switch (operation)
+	{
+		case OP_USAGE:
+			usage();
+			break;
+		case OP_STATUS:
+			status();
+			break;
+		case OP_ADD:
+			if (start == NULL || end == NULL)
+			{
+				fprintf(stderr, "missing arguments.\n");
+				usage();
+			}
+			add(name, start, end, timeout);
+			break;
+		case OP_DEL:
+			del(name);
+			break;
+		case OP_RESIZE:
+			if (end == NULL)
+			{
+				fprintf(stderr, "missing arguments.\n");
+				usage();
+			}
+			resize(name, end);
+			break;
+		case OP_LEASES:
+			leases(filter, utc);
+			break;
+		case OP_PURGE:
+			purge(name);
+			break;
+	}
+	exit(0);
+}
+
diff --git a/src/charon/plugins/sql/sql_attribute.c b/src/charon/plugins/sql/sql_attribute.c
new file mode 100644
index 000000000..45c0750c7
--- /dev/null
+++ b/src/charon/plugins/sql/sql_attribute.c
@@ -0,0 +1,287 @@
+/*
+ * 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 "sql_attribute.h"
+
+#include <daemon.h>
+#include <utils/mutex.h>
+
+typedef struct private_sql_attribute_t private_sql_attribute_t;
+
+/**
+ * private data of sql_attribute
+ */
+struct private_sql_attribute_t {
+
+	/**
+	 * public functions
+	 */
+	sql_attribute_t public;
+	
+	/**
+	 * database connection
+	 */
+	database_t *db;
+	
+	/**
+	 * mutex to simulate transactions
+	 */
+	mutex_t *mutex;
+};
+
+/** 
+ * convert a address blob to an ip of the correct family
+ */
+static host_t *ip_from_chunk(chunk_t address)
+{
+	switch (address.len)
+	{
+		case 4:
+			return host_create_from_chunk(AF_INET, address, 0);
+		case 16:
+			return host_create_from_chunk(AF_INET6, address, 0);
+		default:
+			return NULL;
+	}		
+}
+
+/**
+ * increment a chunk, as it would reprensent a network order integer
+ */
+static void increment_chunk(chunk_t chunk)
+{
+	int i;
+	
+	for (i = chunk.len - 1; i >= 0; i++)
+	{
+		if (++chunk.ptr[i] != 0)
+		{
+			return;
+		}
+	}
+}
+
+/**
+ * Lookup if we have an existing lease
+ */
+static host_t* get_lease(private_sql_attribute_t *this,
+						 char *name, identification_t *id)
+{
+	enumerator_t *e;
+	chunk_t address;
+	host_t *ip = NULL;
+	int lease;
+	
+	/* transaction simulation, see create_lease() */
+	this->mutex->lock(this->mutex);
+	
+	/* select a lease for "id" which still valid */
+	e = this->db->query(this->db,
+						"SELECT l.id, l.address FROM leases AS l "
+						"JOIN pools AS p ON l.pool = p.id "
+						"JOIN identities AS i ON l.identity = i.id "
+						"WHERE p.name = ? AND i.type = ? AND i.data = ? "
+						"AND (l.released IS NULL OR p.timeout = 0 "
+						" OR (l.released >= (? - p.timeout))) "
+						"ORDER BY l.acquired LIMIT 1", DB_TEXT, name,
+						DB_INT, id->get_type(id), DB_BLOB, id->get_encoding(id),
+						DB_UINT, time(NULL),
+						DB_UINT, DB_BLOB);
+	if (e)
+	{
+		if (e->enumerate(e, &lease, &address))
+		{
+			/* found one, set the lease to active */
+			if (this->db->execute(this->db, NULL,
+						  "UPDATE leases SET released = NULL WHERE id = ?",
+						  DB_UINT, lease) > 0)
+			{
+				ip = ip_from_chunk(address);
+				DBG1(DBG_CFG, "reassigning address from valid lease "
+					 "from pool '%s'", name);
+			}
+		}
+		e->destroy(e);
+	}
+	this->mutex->unlock(this->mutex);
+	return ip;
+}
+
+/**
+ * Create a new lease entry for client
+ */
+static host_t* create_lease(private_sql_attribute_t *this,
+							char *name, identification_t *id)
+{
+	enumerator_t *e;
+	chunk_t address;
+	host_t *ip = NULL;
+	u_int pool, identity = 0, released, timeout;
+	bool new = FALSE;
+	
+	/* we currently do not use database transactions. While this would be 
+	 * the clean way, there is no real advantage, but some disadvantages:
+	 * - we would require InnoDB for mysql, as MyISAM does not support trans.
+	 * - the mysql plugin uses connection pooling, and we would need a 
+	 *   mechanism to lock transactions to a single connection.
+	 */
+	this->mutex->lock(this->mutex);
+	
+	/* find an address which has outdated leases only. The HAVING clause filters
+	 * out leases which are active (released = NULL) or not expired */
+	e = this->db->query(this->db,
+						"SELECT pool, address, released, timeout FROM leases "
+						"JOIN pools ON leases.pool = pools.id "
+						"WHERE name = ? and timeout > 0 "
+						"GROUP BY address HAVING COUNT(released) = COUNT(*) "
+						"AND MAX(released) < (? - timeout) LIMIT 1",
+						DB_TEXT, name, DB_UINT, time(NULL),
+						DB_UINT, DB_BLOB, DB_UINT, DB_UINT);
+	
+	if (!e || !e->enumerate(e, &pool, &address, &released, &timeout))
+	{
+		DESTROY_IF(e);
+		/* no outdated lease found, acquire new address */
+		e = this->db->query(this->db,
+				"SELECT id, next FROM pools WHERE name = ? AND next <= end",
+				DB_TEXT, name,
+				DB_UINT, DB_BLOB);
+		if (!e || !e->enumerate(e, &pool, &address))
+		{
+			/* pool seems full */
+			DESTROY_IF(e);
+			this->mutex->unlock(this->mutex);
+			return NULL;
+		}
+		new = TRUE;
+	}
+	address = chunk_clonea(address);
+	e->destroy(e);
+	
+	/* look for peer identity in the identities table */
+	e = this->db->query(this->db,
+						"SELECT id FROM identities WHERE type = ? AND data = ?",
+						DB_INT, id->get_type(id), DB_BLOB, id->get_encoding(id),
+						DB_UINT);
+	if (!e || !e->enumerate(e, &identity))
+	{
+		DESTROY_IF(e);
+		/* not found, insert new one */
+		this->db->execute(this->db, &identity,
+					  "INSERT INTO identities (type, data) VALUES (?, ?)",
+					  DB_INT, id->get_type(id), DB_BLOB, id->get_encoding(id));
+	}
+	else
+	{
+		e->destroy(e);
+	}
+	/* if we have an identity, insert a new lease */
+	if (identity)
+	{
+		if (this->db->execute(this->db, NULL,
+				"INSERT INTO leases (pool, address, identity, acquired) "
+				"VALUES (?, ?, ?, ?)",
+				DB_UINT, pool, DB_BLOB, address, DB_UINT, identity,
+				DB_UINT, time(NULL)) > 0)
+		{
+			ip = ip_from_chunk(address);
+			if (new)
+			{	/* update next address, as we have consumed one */
+				increment_chunk(address);
+				this->db->execute(this->db, NULL,
+								  "UPDATE pools SET next = ? WHERE id = ?",
+								  DB_BLOB, address, DB_UINT, pool);
+				DBG1(DBG_CFG, "assigning lease with new address "
+					 "from pool '%s'", name);
+			}
+			else
+			{
+				DBG1(DBG_CFG, "reassigning address from expired lease "
+					 "from pool '%s'", name);
+			}
+		}
+	}
+	this->mutex->unlock(this->mutex);
+	return ip;
+}
+
+/**
+ * Implementation of attribute_provider_t.acquire_address
+ */
+static host_t* acquire_address(private_sql_attribute_t *this,
+							   char *name, identification_t *id,
+							   auth_info_t *auth, host_t *requested)
+{
+	host_t *ip;
+	
+	ip = get_lease(this, name, id);
+	if (!ip)
+	{
+		ip = create_lease(this, name, id);
+	}
+	return ip;
+}
+
+/**
+ * Implementation of attribute_provider_t.release_address
+ */
+static bool release_address(private_sql_attribute_t *this,
+							char *name, host_t *address)
+{
+	if (this->db->execute(this->db, NULL,
+			"UPDATE leases SET released = ? WHERE "
+			"pool IN (SELECT id FROM pools WHERE name = ?) AND "
+			"address = ? AND released IS NULL",
+			DB_UINT, time(NULL),
+			DB_TEXT, name, DB_BLOB, address->get_address(address)) > 0)
+	{
+		return TRUE;
+	}
+	return FALSE;
+}
+
+/**
+ * Implementation of sql_attribute_t.destroy
+ */
+static void destroy(private_sql_attribute_t *this)
+{
+	this->mutex->destroy(this->mutex);
+	free(this);
+}
+
+/*
+ * see header file
+ */
+sql_attribute_t *sql_attribute_create(database_t *db)
+{
+	private_sql_attribute_t *this = malloc_thing(private_sql_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.destroy = (void(*)(sql_attribute_t*))destroy;
+	
+	this->db = db;
+	this->mutex = mutex_create(MUTEX_DEFAULT);
+	
+	/* close any "online" leases in the case we crashed */
+	this->db->execute(this->db, NULL,
+					  "UPDATE leases SET released = ? WHERE released IS NULL",
+					  DB_UINT, time(NULL));
+	
+	return &this->public;
+}
+
diff --git a/src/charon/plugins/sql/sql_attribute.h b/src/charon/plugins/sql/sql_attribute.h
new file mode 100644
index 000000000..211204ced
--- /dev/null
+++ b/src/charon/plugins/sql/sql_attribute.h
@@ -0,0 +1,51 @@
+/*
+ * 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 sql_attribute sql_attribute
+ * @{ @ingroup sql
+ */
+
+#ifndef SQL_ATTRIBUTE_H_
+#define SQL_ATTRIBUTE_H_
+
+#include <config/attributes/attribute_provider.h>
+
+typedef struct sql_attribute_t sql_attribute_t;
+
+/**
+ * SQL database based IKEv2 cfg attribute provider.
+ */
+struct sql_attribute_t {
+
+	/**
+	 * Implements attribute provider interface
+	 */
+	attribute_provider_t provider;
+	
+	/**
+     * Destroy a sql_attribute instance.
+     */
+    void (*destroy)(sql_attribute_t *this);
+};
+
+/**
+ * Create a sql_attribute instance.
+ */
+sql_attribute_t *sql_attribute_create(database_t *db);
+
+#endif /* SQL_ATTRIBUTE_H_ @}*/
diff --git a/src/charon/plugins/sql/sql_config.c b/src/charon/plugins/sql/sql_config.c
new file mode 100644
index 000000000..3785839cf
--- /dev/null
+++ b/src/charon/plugins/sql/sql_config.c
@@ -0,0 +1,517 @@
+/*
+ * 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.
+ *
+ * $Id: sql_config.c 4044 2008-06-06 15:05:54Z martin $
+ */
+
+#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))
+	{
+		child_cfg = child_cfg_create(name, lifetime, rekeytime, jitter,
+									 updown, hostaccess, mode, dpd, close, ipcomp);
+		/* 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, remote);
+		/* 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;
+		
+		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, local_id, remote_id, cert_policy, uniqueid,
+					auth_method, eap_type, eap_vendor, keyingtries, 
+					rekeytime, reauthtime, jitter, overtime, mobike,
+					dpd_delay, vip, pool,
+					mediation, mediated_cfg, peer_id);
+			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/charon/plugins/sql/sql_config.h b/src/charon/plugins/sql/sql_config.h
new file mode 100644
index 000000000..d34705c71
--- /dev/null
+++ b/src/charon/plugins/sql/sql_config.h
@@ -0,0 +1,55 @@
+/*
+ * 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: sql_config.h 3594 2008-03-13 14:53:57Z martin $
+ */
+
+/**
+ * @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/charon/plugins/sql/sql_cred.c b/src/charon/plugins/sql/sql_cred.c
new file mode 100644
index 000000000..9d91973c2
--- /dev/null
+++ b/src/charon/plugins/sql/sql_cred.c
@@ -0,0 +1,367 @@
+/*
+ * 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: sql_cred.c 3589 2008-03-13 14:14:44Z martin $
+ */
+
+#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, chunk_clone(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, chunk_clone(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/charon/plugins/sql/sql_cred.h b/src/charon/plugins/sql/sql_cred.h
new file mode 100644
index 000000000..e251abe00
--- /dev/null
+++ b/src/charon/plugins/sql/sql_cred.h
@@ -0,0 +1,55 @@
+/*
+ * 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: sql_cred.h 3594 2008-03-13 14:53:57Z martin $
+ */
+
+/**
+ * @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/charon/plugins/sql/sql_logger.c b/src/charon/plugins/sql/sql_logger.c
new file mode 100644
index 000000000..2fb5844b3
--- /dev/null
+++ b/src/charon/plugins/sql/sql_logger.c
@@ -0,0 +1,147 @@
+/*
+ * 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: sql_logger.c 3589 2008-03-13 14:14:44Z martin $
+ */
+
+#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.signal.
+ */
+static bool signal_(private_sql_logger_t *this, signal_t signal, 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, signal, 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);
+	
+	this->public.listener.signal = (bool(*)(bus_listener_t*,signal_t,level_t,int,ike_sa_t*,char*,va_list))signal_;
+	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/charon/plugins/sql/sql_logger.h b/src/charon/plugins/sql/sql_logger.h
new file mode 100644
index 000000000..30507bcaf
--- /dev/null
+++ b/src/charon/plugins/sql/sql_logger.h
@@ -0,0 +1,55 @@
+/*
+ * 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: sql_logger.h 3594 2008-03-13 14:53:57Z martin $
+ */
+
+/**
+ * @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
+	 */
+	bus_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/charon/plugins/sql/sql_plugin.c b/src/charon/plugins/sql/sql_plugin.c
new file mode 100644
index 000000000..8c4f20f74
--- /dev/null
+++ b/src/charon/plugins/sql/sql_plugin.c
@@ -0,0 +1,118 @@
+/*
+ * 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: sql_plugin.c 3826 2008-04-17 15:08:48Z martin $
+ */
+
+#include "sql_plugin.h"
+
+#include <daemon.h>
+#include "sql_config.h"
+#include "sql_cred.h"
+#include "sql_attribute.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;
+	
+	/**
+	 * CFG attributes
+	 */
+	sql_attribute_t *attribute;
+	
+	/**
+	 * 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->attribute->destroy(this->attribute);
+	this->logger->destroy(this->logger);
+	this->db->destroy(this->db);
+	free(this);
+}
+
+/*
+ * see header file
+ */
+plugin_t *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->attribute = sql_attribute_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->attributes->add_provider(charon->attributes, &this->attribute->provider);
+	charon->bus->add_listener(charon->bus, &this->logger->listener);
+	
+	return &this->public.plugin;
+}
+
diff --git a/src/charon/plugins/sql/sql_plugin.h b/src/charon/plugins/sql/sql_plugin.h
new file mode 100644
index 000000000..8a7ba3e85
--- /dev/null
+++ b/src/charon/plugins/sql/sql_plugin.h
@@ -0,0 +1,49 @@
+/*
+ * 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: sql_plugin.h 3577 2008-03-12 14:38:35Z martin $
+ */
+
+/**
+ * @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;
+};
+
+/**
+ * Create a sql_plugin instance.
+ */
+plugin_t *plugin_create();
+
+#endif /* SQL_PLUGIN_H_ @}*/