110 lines
2.4 KiB
C
110 lines
2.4 KiB
C
/*
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* Copyright (C) 2011 Martin Willi
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* Copyright (C) 2011 revosec AG
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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 "coupling_plugin.h"
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#include "coupling_validator.h"
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#include <daemon.h>
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typedef struct private_coupling_plugin_t private_coupling_plugin_t;
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/**
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* private data of coupling plugin
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*/
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struct private_coupling_plugin_t {
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/**
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* implements plugin interface
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*/
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coupling_plugin_t public;
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/**
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* validator controlling couplings
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*/
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coupling_validator_t *validator;
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};
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METHOD(plugin_t, get_name, char*,
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private_coupling_plugin_t *this)
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{
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return "coupling";
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}
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/**
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* Since the validator instantiates a hasher we create it as plugin feature.
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* The default is SHA1 which we soft depend but depending on the plugin order
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* there is no guarantee that the configured algorithm is registered.
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*/
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static bool plugin_cb(private_coupling_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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this->validator = coupling_validator_create();
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if (!this->validator)
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{
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return FALSE;
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}
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lib->credmgr->add_validator(lib->credmgr, &this->validator->validator);
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}
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else
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{
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lib->credmgr->remove_validator(lib->credmgr,
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&this->validator->validator);
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this->validator->destroy(this->validator);
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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_coupling_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)plugin_cb, NULL),
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PLUGIN_PROVIDE(CUSTOM, "coupling"),
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PLUGIN_SDEPEND(HASHER, HASH_SHA1),
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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_coupling_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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* Plugin constructor
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*/
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plugin_t *coupling_plugin_create()
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{
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private_coupling_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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return &this->public.plugin;
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}
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