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/*
* Copyright (C) 2006 Mike McCauley (mikem@open.com.au)
* Copyright (C) 2010 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 "tnccs_reason_strings_msg.h"
#include "tnccs_error_msg.h"
#include <utils/debug.h>
typedef struct private_tnccs_reason_strings_msg_t private_tnccs_reason_strings_msg_t;
/**
* Private data of a tnccs_reason_strings_msg_t object.
*
*/
struct private_tnccs_reason_strings_msg_t {
/**
* Public tnccs_reason_strings_msg_t interface.
*/
tnccs_reason_strings_msg_t public;
/**
* TNCCS message type
*/
tnccs_msg_type_t type;
/**
* XML-encoded message node
*/
xmlNodePtr node;
/**
* Reason String
*/
chunk_t reason;
/**
* Reason Language
*/
chunk_t language;
};
METHOD(tnccs_msg_t, get_type, tnccs_msg_type_t,
private_tnccs_reason_strings_msg_t *this)
{
return this->type;
}
METHOD(tnccs_msg_t, get_node, xmlNodePtr,
private_tnccs_reason_strings_msg_t *this)
{
return this->node;
}
METHOD(tnccs_msg_t, destroy, void,
private_tnccs_reason_strings_msg_t *this)
{
free(this->reason.ptr);
free(this->language.ptr);
free(this);
}
METHOD(tnccs_reason_strings_msg_t, get_reason, chunk_t,
private_tnccs_reason_strings_msg_t *this, chunk_t *language)
{
*language = this->language;
return this->reason;
}
/**
* See header
*/
tnccs_msg_t *tnccs_reason_strings_msg_create_from_node(xmlNodePtr node,
linked_list_t *errors)
{
private_tnccs_reason_strings_msg_t *this;
char *error_msg, *lang_string, *reason_string;
tnccs_error_type_t error_type = TNCCS_ERROR_MALFORMED_BATCH;
tnccs_msg_t *msg;
xmlNodePtr child;
INIT(this,
.public = {
.tnccs_msg_interface = {
.get_type = _get_type,
.get_node = _get_node,
.destroy = _destroy,
},
.get_reason = _get_reason,
},
.type = TNCCS_MSG_REASON_STRINGS,
.node = node,
);
if (xmlStrcmp(node->name, "TNCCS-ReasonStrings"))
{
error_msg = "TNCCS-ReasonStrings tag expected";
goto fatal;
}
child = node->xmlChildrenNode;
while (child)
{
if (xmlIsBlankNode(child))
{
child = child->next;
continue;
}
if (xmlStrcmp(child->name, "ReasonString"))
{
error_msg = "ReasonString tag expected";
goto fatal;
}
break;
}
lang_string = xmlGetProp(child, "lang");
if (!lang_string)
{
lang_string = strdup("");
}
this->language = chunk_clone(chunk_from_str(lang_string));
xmlFree(lang_string);
reason_string = xmlNodeGetContent(child);
this->reason = chunk_clone(chunk_from_str(reason_string));
xmlFree(reason_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_reason_strings_msg_create(chunk_t reason, chunk_t language)
{
private_tnccs_reason_strings_msg_t *this;
xmlNodePtr n, n2, n3;
INIT(this,
.public = {
.tnccs_msg_interface = {
.get_type = _get_type,
.get_node = _get_node,
.destroy = _destroy,
},
.get_reason = _get_reason,
},
.type = TNCCS_MSG_REASON_STRINGS,
.node = xmlNewNode(NULL, "TNCC-TNCS-Message"),
.reason = chunk_create_clone(malloc(reason.len + 1), reason),
.language = chunk_create_clone(malloc(language.len + 1), language),
);
/* add NULL termination for XML string representation */
this->reason.ptr[this->reason.len] = '\0';
this->language.ptr[this->language.len] = '\0';
/* add the message type number in hex */
n = xmlNewNode(NULL, "Type");
xmlNodeSetContent(n, "00000004");
xmlAddChild(this->node, n);
n = xmlNewNode(NULL, "XML");
xmlAddChild(this->node, n);
n2 = xmlNewNode(NULL, enum_to_name(tnccs_msg_type_names, this->type));
/* could add multiple reasons here, if we had them */
n3 = xmlNewNode(NULL, "ReasonString");
xmlNewProp(n3, "xml:lang", this->language.ptr);
xmlNodeSetContent(n3, this->reason.ptr);
xmlAddChild(n2, n3);
xmlAddChild(n, n2);
return &this->public.tnccs_msg_interface;
}
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