provide attributes from SQL database

src/charon/plugins/sql/mysql.sql

@@ -187,6 +187,12 @@ CREATE TABLE leases (
   PRIMARY KEY (`id`)
 );
 
+DROP TABLE IF EXISTS attributes;
+CREATE TABLE attributes (
+  `id` int(10) unsigned NOT NULL auto_increment,
+  `type` int(10) unsigned NOT NULL,
+  `value` varbinary(16) NOT NULL
+);
 
 DROP TABLE IF EXISTS ike_sas;
 CREATE TABLE ike_sas (

src/charon/plugins/sql/sqlite.sql

@@ -192,6 +192,12 @@ CREATE TABLE leases (
   released INTEGER NOT NULL
 );
 
+DROP TABLE IF EXISTS attributes;
+CREATE TABLE attributes (
+  id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+  type INTEGER NOT NULL,
+  value BLOB NOT NULL
+);
 
 DROP TABLE IF EXISTS ike_sas;
 CREATE TABLE ike_sas (

src/charon/sa/tasks/ike_config.c

@@ -207,7 +207,7 @@ static void process_payloads(private_ike_config_t *this, message_t *message)
 					attributes = cp->create_attribute_enumerator(cp);
 					while (attributes->enumerate(attributes, &ca))
 					{
-						DBG2(DBG_IKE, "processing %N config attribute",
+						DBG2(DBG_IKE, "processing %N attribute",
 							 configuration_attribute_type_names, ca->get_type(ca));
 						process_attribute(this, ca);
 					}
@@ -260,7 +260,7 @@ static status_t build_i(private_ike_config_t *this, message_t *message)
 			entry_t *entry;
 
 			/* create configuration attribute */
-			DBG2(DBG_IKE, "building %N config attribute",
+			DBG2(DBG_IKE, "building %N attribute",
 				 configuration_attribute_type_names, type);
 			ca = configuration_attribute_create_value(type, data);
 			if (!cp)
@@ -380,6 +380,8 @@ static status_t build_r(private_ike_config_t *this, message_t *message)
 			{
 				cp = cp_payload_create_type(CFG_REPLY);
 			}
+			DBG2(DBG_IKE, "building %N attribute",
+				 configuration_attribute_type_names, type);
 			cp->add_attribute(cp,
 						configuration_attribute_create_value(type, value));
 		}

src/libstrongswan/plugins/attr_sql/sql_attribute.c

@@ -323,6 +323,26 @@ static bool release_address(private_sql_attribute_t *this,
 	return found;
 }
 
+/**
+ * Implementation of sql_attribute_t.create_attribute_enumerator
+ */
+static enumerator_t* create_attribute_enumerator(private_sql_attribute_t *this,
+											identification_t *id, host_t *vip)
+{
+	if (vip)
+	{
+		enumerator_t *enumerator;
+
+		enumerator = this->db->query(this->db,
+						"SELECT type, value FROM attributes ", DB_INT, DB_BLOB);
+		if (enumerator)
+		{
+			return enumerator;
+		}
+	}
+	return enumerator_create_empty();
+}
+
 /**
  * Implementation of sql_attribute_t.destroy
  */
@@ -341,7 +361,7 @@ sql_attribute_t *sql_attribute_create(database_t *db)
 
 	this->public.provider.acquire_address = (host_t*(*)(attribute_provider_t *this, char*, identification_t *, host_t *))acquire_address;
 	this->public.provider.release_address = (bool(*)(attribute_provider_t *this, char*,host_t *, identification_t*))release_address;
-	this->public.provider.create_attribute_enumerator = (enumerator_t*(*)(attribute_provider_t*, identification_t *id, host_t *host))enumerator_create_empty;
+	this->public.provider.create_attribute_enumerator = (enumerator_t*(*)(attribute_provider_t*, identification_t *id, host_t *host))create_attribute_enumerator;
 	this->public.destroy = (void(*)(sql_attribute_t*))destroy;
 
 	this->db = db;

testing/hosts/default/etc/ipsec.d/tables.sql

@@ -183,6 +183,13 @@ CREATE TABLE leases (
   released INTEGER NOT NULL
 );
 
+DROP TABLE IF EXISTS attributes;
+CREATE TABLE attributes (
+  id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+  type INTEGER NOT NULL,
+  value BLOB NOT NULL
+);
+
 DROP TABLE IF EXISTS ike_sas;
 CREATE TABLE ike_sas (
   local_spi BLOB NOT NULL PRIMARY KEY,