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/*
* Copyright (C) 2010 Andreas Steffen
* HSR Hochschule fuer Technik Rapperswil
*
* Copyright (C) 2006 Mike McCauley (mikem@open.com.au)
*
* 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 "tnccs_recommendation_msg.h"
#include "tnccs_error_msg.h"
#include <utils/debug.h>
typedef struct private_tnccs_recommendation_msg_t private_tnccs_recommendation_msg_t;
/**
* Private data of a tnccs_recommendation_msg_t object.
*
*/
struct private_tnccs_recommendation_msg_t {
/**
* Public tnccs_recommendation_msg_t interface.
*/
tnccs_recommendation_msg_t public;
/**
* TNCCS message type
*/
tnccs_msg_type_t type;
/**
* XML-encoded message node
*/
xmlNodePtr node;
/**
* Action Recommendation
*/
TNC_IMV_Action_Recommendation rec;
};
METHOD(tnccs_msg_t, get_type, tnccs_msg_type_t,
private_tnccs_recommendation_msg_t *this)
{
return this->type;
}
METHOD(tnccs_msg_t, get_node, xmlNodePtr,
private_tnccs_recommendation_msg_t *this)
{
return this->node;
}
METHOD(tnccs_msg_t, destroy, void,
private_tnccs_recommendation_msg_t *this)
{
free(this);
}
METHOD(tnccs_recommendation_msg_t, get_recommendation, TNC_IMV_Action_Recommendation,
private_tnccs_recommendation_msg_t *this)
{
return this->rec;
}
/**
* See header
*/
tnccs_msg_t *tnccs_recommendation_msg_create_from_node(xmlNodePtr node,
linked_list_t *errors)
{
private_tnccs_recommendation_msg_t *this;
xmlChar *rec_string;
char *error_msg, buf[BUF_LEN];
tnccs_error_type_t error_type = TNCCS_ERROR_MALFORMED_BATCH;
tnccs_msg_t *msg;
INIT(this,
.public = {
.tnccs_msg_interface = {
.get_type = _get_type,
.get_node = _get_node,
.destroy = _destroy,
},
.get_recommendation = _get_recommendation,
},
.type = TNCCS_MSG_RECOMMENDATION,
.node = node,
);
rec_string = xmlGetProp(node, "type");
if (!rec_string)
{
error_msg = "type property in TNCCS-Recommendation is missing";
goto fatal;
}
else if (streq(rec_string, "allow"))
{
this->rec = TNC_IMV_ACTION_RECOMMENDATION_ALLOW;
}
else if (streq(rec_string, "isolate"))
{
this->rec = TNC_IMV_ACTION_RECOMMENDATION_ISOLATE;
}
else if (streq(rec_string, "none"))
{
this->rec = TNC_IMV_ACTION_RECOMMENDATION_NO_ACCESS;
}
else
{
error_msg = buf;
snprintf(buf, BUF_LEN, "unsupported type property value '%s' "
"in TNCCS-Recommendation", rec_string);
xmlFree(rec_string);
goto fatal;
}
xmlFree(rec_string);
return &this->public.tnccs_msg_interface;
fatal:
msg = tnccs_error_msg_create(error_type, error_msg);
errors->insert_last(errors, msg);
destroy(this);
return NULL;
}
/**
* See header
*/
tnccs_msg_t *tnccs_recommendation_msg_create(TNC_IMV_Action_Recommendation rec)
{
private_tnccs_recommendation_msg_t *this;
xmlNodePtr n, n2;
char *rec_string;
INIT(this,
.public = {
.tnccs_msg_interface = {
.get_type = _get_type,
.get_node = _get_node,
.destroy = _destroy,
},
.get_recommendation = _get_recommendation,
},
.type = TNCCS_MSG_RECOMMENDATION,
.node = xmlNewNode(NULL, "TNCC-TNCS-Message"),
.rec = rec,
);
/* add the message type number in hex */
n = xmlNewNode(NULL, "Type");
xmlNodeSetContent(n, "00000001");
xmlAddChild(this->node, n);
n = xmlNewNode(NULL, "XML");
xmlAddChild(this->node, n);
switch (rec)
{
case TNC_IMV_ACTION_RECOMMENDATION_ALLOW:
rec_string = "allow";
break;
case TNC_IMV_ACTION_RECOMMENDATION_ISOLATE:
rec_string = "isolate";
break;
case TNC_IMV_ACTION_RECOMMENDATION_NO_ACCESS:
case TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION:
default:
rec_string = "none";
}
n2 = xmlNewNode(NULL, enum_to_name(tnccs_msg_type_names, this->type));
xmlNewProp(n2, BAD_CAST "type", rec_string);
xmlNodeSetContent(n2, "");
xmlAddChild(n, n2);
return &this->public.tnccs_msg_interface;
}
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