130 lines
2.9 KiB
C
130 lines
2.9 KiB
C
/*
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* Copyright (C) 2013 Tobias Brunner
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* Copyright (C) 2008 Martin Willi
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include <daemon.h>
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#include <utils/debug.h>
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#include <plugins/plugin_feature.h>
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#include "attr_sql_plugin.h"
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#include "attr_sql_provider.h"
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typedef struct private_attr_sql_plugin_t private_attr_sql_plugin_t;
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/**
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* private data of attr_sql plugin
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*/
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struct private_attr_sql_plugin_t {
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/**
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* implements plugin interface
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*/
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attr_sql_plugin_t public;
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/**
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* database connection instance
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*/
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database_t *db;
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/**
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* configuration attributes
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*/
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attr_sql_provider_t *attribute;
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};
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METHOD(plugin_t, get_name, char*,
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private_attr_sql_plugin_t *this)
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{
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return "attr-sql";
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}
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/**
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* Connect to database
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*/
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static bool open_database(private_attr_sql_plugin_t *this,
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plugin_feature_t *feature, bool reg, void *cb_data)
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{
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if (reg)
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{
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char *uri;
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uri = lib->settings->get_str(lib->settings,
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"%s.plugins.attr-sql.database", NULL, lib->ns);
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if (!uri)
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{
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DBG1(DBG_CFG, "attr-sql plugin: database URI not set");
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return FALSE;
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}
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this->db = lib->db->create(lib->db, uri);
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if (!this->db)
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{
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DBG1(DBG_CFG, "attr-sql plugin failed to connect to database");
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return FALSE;
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}
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this->attribute = attr_sql_provider_create(this->db);
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charon->attributes->add_provider(charon->attributes,
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&this->attribute->provider);
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}
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else
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{
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charon->attributes->remove_provider(charon->attributes,
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&this->attribute->provider);
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this->attribute->destroy(this->attribute);
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this->db->destroy(this->db);
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}
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return TRUE;
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}
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METHOD(plugin_t, get_features, int,
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private_attr_sql_plugin_t *this, plugin_feature_t *features[])
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{
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static plugin_feature_t f[] = {
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PLUGIN_CALLBACK((plugin_feature_callback_t)open_database, NULL),
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PLUGIN_PROVIDE(CUSTOM, "attr-sql"),
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PLUGIN_DEPENDS(DATABASE, DB_ANY),
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};
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*features = f;
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return countof(f);
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}
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METHOD(plugin_t, destroy, void,
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private_attr_sql_plugin_t *this)
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{
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free(this);
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}
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/*
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* see header file
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*/
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plugin_t *attr_sql_plugin_create()
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{
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private_attr_sql_plugin_t *this;
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INIT(this,
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.public = {
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.plugin = {
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.get_name = _get_name,
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.get_features = _get_features,
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.destroy = _destroy,
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},
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},
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);
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lib->settings->add_fallback(lib->settings, "%s.plugins.attr-sql",
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"libhydra.plugins.attr-sql", lib->ns);
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return &this->public.plugin;
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}
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