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/*
* Copyright (C) 2010-2015 Mamadou DIOP.
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO 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 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO 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.
*
* You should have received a copy of the GNU General Public License
* along with DOUBANGO.
*
*/
/**@file tnet_dhcp6_message.c
* @brief DHCPv6 (RFC 3315) Messages.
*/
#include "tnet_dhcp6_message.h"
#include "tnet_dhcp6.h"
#include "../tnet_endianness.h"
#include "tsk_string.h"
#include "tsk_debug.h"
#include <string.h>
tnet_dhcp6_message_t* tnet_dhcp6_message_create(tnet_dhcp6_message_type_t type)
{
return tsk_object_new(tnet_dhcp6_message_def_t, type);
}
tnet_dhcp6_request_t* tnet_dhcp6_request_create(tnet_dhcp6_message_type_t type)
{
return tnet_dhcp6_message_create(type);
}
tsk_buffer_t* tnet_dhcp6_message_serialize(const tnet_dhcp6_ctx_t *ctx, const tnet_dhcp6_message_t *self)
{
tsk_buffer_t* output = 0;
//uint8_t _1byte;
uint16_t _2bytes;
uint32_t _4bytes;
/* Check message validity */
if (!self){
goto bail;
}
output = tsk_buffer_create_null();
/*== msg-type + transaction-id */
_4bytes = (((uint32_t)(self->type)) << 24) | (self->transaction_id & 0xFFFFFF);
_4bytes = tnet_ntohl(_4bytes);
tsk_buffer_append(output, &(_4bytes), 4);
/*== Vendor class
*/
{
_2bytes = tnet_htons(dhcp6_code_vendor_class);
tsk_buffer_append(output, &(_2bytes), 2);
_2bytes = tnet_htons((unsigned short)(4 + tsk_strlen(ctx->vendor_class_data)));
tsk_buffer_append(output, &(_2bytes), 2);
_4bytes = tnet_ntohl(ctx->pen);
tsk_buffer_append(output, &(_4bytes), 4);
tsk_buffer_append(output, ctx->vendor_class_data, tsk_strlen(ctx->vendor_class_data));
}
/*== DHCP Options
*/
{
tsk_list_item_t *item;
tnet_dhcp6_option_t* option;
tsk_list_foreach(item, self->options)
{
option = (tnet_dhcp6_option_t*)item->data;
if (tnet_dhcp6_option_serialize(option, output)){
TSK_DEBUG_WARN("Failed to serialize DHCPv6 OPTION (%u)", option->code);
}
}
}
bail:
return output;
}
tnet_dhcp6_message_t* tnet_dhcp6_message_deserialize(const tnet_dhcp6_ctx_t *ctx, const uint8_t *data, tsk_size_t size)
{
return 0;
}
//=================================================================================================
// [[DHCPv6 MESSAGE]] object definition
//
static tsk_object_t* tnet_dhcp6_message_ctor(tsk_object_t * self, va_list * app)
{
tnet_dhcp6_message_t *message = self;
if (message){
static uint16_t __dhcp6message_unique_tid = 0;//(uint32_t)tsk_time_epoch();
message->type = va_arg(*app, tnet_dhcp6_message_type_t);
message->transaction_id = ++__dhcp6message_unique_tid;
message->options = tsk_list_create();
}
return self;
}
static tsk_object_t* tnet_dhcp6_message_dtor(tsk_object_t * self)
{
tnet_dhcp6_message_t *message = self;
if (message){
TSK_OBJECT_SAFE_FREE(message->options);
}
return self;
}
static const tsk_object_def_t tnet_dhcp6_message_def_s =
{
sizeof(tnet_dhcp6_message_t),
tnet_dhcp6_message_ctor,
tnet_dhcp6_message_dtor,
tsk_null,
};
const tsk_object_def_t *tnet_dhcp6_message_def_t = &tnet_dhcp6_message_def_s;
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