strongswan/src/libimcv/pa_tnc/pa_tnc_attr_manager.c

156 lines
3.5 KiB
C

/*
* Copyright (C) 2011 Andreas Steffen
*
* HSR 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.
*/
#include "pa_tnc_attr_manager.h"
#include <utils/linked_list.h>
#include <debug.h>
typedef struct private_pa_tnc_attr_manager_t private_pa_tnc_attr_manager_t;
typedef struct entry_t entry_t;
struct entry_t {
pen_t vendor_id;
enum_name_t *attr_names;
pa_tnc_attr_create_t attr_create;
};
/**
* Private data of a pa_tnc_attr_manager_t object.
*
*/
struct private_pa_tnc_attr_manager_t {
/**
* Public pa_tnc_attr_manager_t interface.
*/
pa_tnc_attr_manager_t public;
/**
* List of PA-TNC vendor attributes
*/
linked_list_t *list;
};
METHOD(pa_tnc_attr_manager_t, add_vendor, void,
private_pa_tnc_attr_manager_t *this, pen_t vendor_id,
pa_tnc_attr_create_t attr_create, enum_name_t *attr_names)
{
entry_t *entry;
entry = malloc_thing(entry_t);
entry->vendor_id = vendor_id;
entry->attr_create = attr_create;
entry->attr_names = attr_names;
this->list->insert_last(this->list, entry);
DBG2(DBG_TNC, "added %N attributes", pen_names, vendor_id);
}
METHOD(pa_tnc_attr_manager_t, remove_vendor, void,
private_pa_tnc_attr_manager_t *this, pen_t vendor_id)
{
enumerator_t *enumerator;
entry_t *entry;
enumerator = this->list->create_enumerator(this->list);
while (enumerator->enumerate(enumerator, &entry))
{
if (entry->vendor_id == vendor_id)
{
this->list->remove_at(this->list, enumerator);
free(entry);
DBG2(DBG_TNC, "removed %N attributes", pen_names, vendor_id);
}
}
enumerator->destroy(enumerator);
}
METHOD(pa_tnc_attr_manager_t, get_names, enum_name_t*,
private_pa_tnc_attr_manager_t *this, pen_t vendor_id)
{
enumerator_t *enumerator;
entry_t *entry;
enum_name_t *attr_names = NULL;
enumerator = this->list->create_enumerator(this->list);
while (enumerator->enumerate(enumerator, &entry))
{
if (entry->vendor_id == vendor_id)
{
attr_names = entry->attr_names;
break;
}
}
enumerator->destroy(enumerator);
return attr_names;
}
METHOD(pa_tnc_attr_manager_t, create, pa_tnc_attr_t*,
private_pa_tnc_attr_manager_t *this, pen_t vendor_id, u_int32_t type,
chunk_t value)
{
enumerator_t *enumerator;
entry_t *entry;
pa_tnc_attr_t *attr = NULL;
enumerator = this->list->create_enumerator(this->list);
while (enumerator->enumerate(enumerator, &entry))
{
if (entry->vendor_id == vendor_id)
{
if (entry->attr_create)
{
attr = entry->attr_create(type, value);
}
break;
}
}
enumerator->destroy(enumerator);
return attr;
}
METHOD(pa_tnc_attr_manager_t, destroy, void,
private_pa_tnc_attr_manager_t *this)
{
this->list->destroy_function(this->list, free);
free(this);
}
/**
* See header
*/
pa_tnc_attr_manager_t *pa_tnc_attr_manager_create(void)
{
private_pa_tnc_attr_manager_t *this;
INIT(this,
.public = {
.add_vendor = _add_vendor,
.remove_vendor = _remove_vendor,
.get_names = _get_names,
.create = _create,
.destroy = _destroy,
},
.list = linked_list_create(),
);
return &this->public;
}