providing medation configuration through med_db plugin
authorMartin Willi <martin@strongswan.org>
Tue, 6 May 2008 13:44:14 +0000 (13:44 -0000)
committerMartin Willi <martin@strongswan.org>
Tue, 6 May 2008 13:44:14 +0000 (13:44 -0000)
src/charon/plugins/med_db/Makefile.am
src/charon/plugins/med_db/med_db_config.c [new file with mode: 0644]
src/charon/plugins/med_db/med_db_config.h [new file with mode: 0644]
src/charon/plugins/med_db/med_db_plugin.c

index 86f770f..3e06078 100644 (file)
@@ -6,6 +6,7 @@ AM_CFLAGS = -rdynamic
 plugin_LTLIBRARIES = libcharon-med-db.la
 libcharon_med_db_la_SOURCES = med_db_plugin.h med_db_plugin.c \
                              med_db_creds.h med_db_creds.c \
+                             med_db_config.h med_db_config.c \
                              med_db_pubkey.h med_db_pubkey.c
 libcharon_med_db_la_LDFLAGS = -module
 
diff --git a/src/charon/plugins/med_db/med_db_config.c b/src/charon/plugins/med_db/med_db_config.c
new file mode 100644 (file)
index 0000000..d129cbe
--- /dev/null
@@ -0,0 +1,148 @@
+/*
+ * 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 <string.h>
+
+#include "med_db_config.h"
+
+#include <daemon.h>
+
+typedef struct private_med_db_config_t private_med_db_config_t;
+
+/**
+ * Private data of an med_db_config_t object
+ */
+struct private_med_db_config_t {
+
+       /**
+        * Public part
+        */
+       med_db_config_t public;
+       
+       /**
+        * database connection
+        */
+       database_t *db;
+       
+       /**
+        * rekey time
+        */
+       int rekey;
+       
+       /**
+        * dpd delay
+        */
+       int dpd;
+       
+       /**
+        * default ike config
+        */
+       ike_cfg_t *ike;
+};
+
+/**
+ * implements backend_t.get_peer_cfg_by_name.
+ */
+static peer_cfg_t *get_peer_cfg_by_name(private_med_db_config_t *this, char *name)
+{
+       return NULL;
+}
+
+/**
+ * Implementation of backend_t.create_ike_cfg_enumerator.
+ */
+static enumerator_t* create_ike_cfg_enumerator(private_med_db_config_t *this,
+                                                                                          host_t *me, host_t *other)
+{
+       return enumerator_create_single(this->ike, NULL);
+}
+
+/**
+ * Implementation of backend_t.create_peer_cfg_enumerator.
+ */
+static enumerator_t* create_peer_cfg_enumerator(private_med_db_config_t *this,
+                                                                                               identification_t *me,
+                                                                                               identification_t *other)
+{
+       enumerator_t *e;
+       
+       if (!me || !other || other->get_type(other) != ID_KEY_ID)
+       {
+               return NULL;
+       }
+       e = this->db->query(this->db,
+                       "SELECT CONCAT(Peer.Alias, CONCAT('@', User.Login)) FROM "
+                       "Peer JOIN User ON Peer.IdUser = User.IdUser "
+                       "WHERE Peer.KeyID = ?", DB_BLOB, other->get_encoding(other),
+                       DB_TEXT);
+       if (e)
+       {
+               peer_cfg_t *peer_cfg;
+               char *name;
+               
+               if (e->enumerate(e, &name))
+               {
+                       peer_cfg = peer_cfg_create(
+                               name, 2, this->ike->get_ref(this->ike),
+                               me->clone(me), other->clone(other),
+                               CERT_NEVER_SEND, UNIQUE_REPLACE, AUTH_RSA,
+                               0, 0,                                                   /* EAP method, vendor */
+                               1, this->rekey*60, 0,                   /* keytries, rekey, reauth */
+                               this->rekey*5, this->rekey*3,   /* jitter, overtime */
+                               TRUE, this->dpd,                                /* mobike, dpddelay */
+                               NULL, NULL,                                     /* vip, pool */
+                               TRUE, NULL, NULL);                              /* mediation, med by, peer id */
+                       e->destroy(e);
+                       return enumerator_create_single(peer_cfg, (void*)peer_cfg->destroy);
+               }
+               e->destroy(e);
+       }
+       return NULL;
+}
+
+/**
+ * Implementation of med_db_config_t.destroy.
+ */
+static void destroy(private_med_db_config_t *this)
+{
+       this->ike->destroy(this->ike);
+       free(this);
+}
+
+/**
+ * Described in header.
+ */
+med_db_config_t *med_db_config_create(database_t *db)
+{
+       private_med_db_config_t *this = malloc_thing(private_med_db_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(*)(med_db_config_t*))destroy;
+       
+       this->db = db;
+       this->rekey = lib->settings->get_int(lib->settings,
+                                                                                "medmanager.rekey", 20) * 60;
+       this->dpd = lib->settings->get_int(lib->settings, "medmanager.dpd", 300);
+       this->ike = ike_cfg_create(FALSE, FALSE, host_create_any(AF_INET),
+                                                          host_create_any(AF_INET));
+       this->ike->add_proposal(this->ike, proposal_create_default(PROTO_IKE));
+       
+       return &this->public;
+}
+
diff --git a/src/charon/plugins/med_db/med_db_config.h b/src/charon/plugins/med_db/med_db_config.h
new file mode 100644 (file)
index 0000000..aa9fd0b
--- /dev/null
@@ -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.
+ *
+ * $Id$
+ */
+
+/**
+ * @defgroup med_db_config_i med_db_config
+ * @{ @ingroup med_db
+ */
+
+#ifndef MED_DB_CONFIG_H_
+#define MED_DB_CONFIG_H_
+
+#include <config/backend.h>
+#include <database/database.h>
+
+typedef struct med_db_config_t med_db_config_t;
+
+/**
+ * Mediation server configuration backend.
+ */
+struct med_db_config_t {
+
+       /**
+        * Implements backend_t interface
+        */
+       backend_t backend;
+       
+       /**
+        * Destroy the backend.
+        */
+       void (*destroy)(med_db_config_t *this); 
+};
+
+/**
+ * Create a med_db_config backend instance.
+ *
+ * @param db           underlying database
+ * @return                     backend instance
+ */
+med_db_config_t *med_db_config_create(database_t *db);
+
+#endif /* MED_DB_CONFIG_H_ @}*/
index 8b9e21a..23da0eb 100644 (file)
@@ -18,6 +18,7 @@
 #include "med_db_plugin.h"
 
 #include "med_db_creds.h"
+#include "med_db_config.h"
 
 #include <daemon.h>
 
@@ -42,6 +43,11 @@ struct private_med_db_plugin_t {
         * med_db credential set instance
         */
        med_db_creds_t *creds;
+       
+       /**
+        * med_db config database
+        */
+       med_db_config_t *config;
 };
 
 /**
@@ -49,7 +55,9 @@ struct private_med_db_plugin_t {
  */
 static void destroy(private_med_db_plugin_t *this)
 {
+       charon->backends->remove_backend(charon->backends, &this->config->backend);
        charon->credentials->remove_set(charon->credentials, &this->creds->set);
+       this->config->destroy(this->config);
        this->creds->destroy(this->creds);
        this->db->destroy(this->db);
        free(this);
@@ -66,7 +74,7 @@ plugin_t *plugin_create()
        this->public.plugin.destroy = (void(*)(plugin_t*))destroy;
        
        uri = lib->settings->get_str(lib->settings,
-                                                                "charon.plugins.med_db.database", NULL);
+                                                                "medmanager.database", NULL);
        if (!uri)
        {
                DBG1(DBG_CFG, "mediation database URI not defined, skipped");
@@ -83,8 +91,10 @@ plugin_t *plugin_create()
        }
        
        this->creds = med_db_creds_create(this->db);
+       this->config = med_db_config_create(this->db);
        
        charon->credentials->add_set(charon->credentials, &this->creds->set);
+       charon->backends->add_backend(charon->backends, &this->config->backend);
        
        return &this->public.plugin;
 }