127 lines
3.3 KiB
C
127 lines
3.3 KiB
C
/*
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* Copyright (C) 2009 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou@yahoo.fr>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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/**@file tnet_dhcp6_message.c
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* @brief DHCPv6 (RFC 3315) Messages.
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*
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* @author Mamadou Diop <diopmamadou(at)yahoo.fr>
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*
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* @date Created: Sat Nov 8 16:54:58 2009 mdiop
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*/
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#include "tnet_dhcp6_message.h"
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#include "tnet_dhcp6.h"
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#include "tsk_debug.h"
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#include <string.h>
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tsk_buffer_t* tnet_dhcp6_message_serialize(const tnet_dhcp6_ctx_t *ctx, const tnet_dhcp6_message_t *self)
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{
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tsk_buffer_t* output = 0;
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//uint8_t _1byte;
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uint16_t _2bytes;
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uint32_t _4bytes;
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/* Check message validity */
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if(!self){
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goto bail;
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}
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output = TSK_BUFFER_CREATE_NULL();
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/*== msg-type + transaction-id */
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_4bytes = (((uint32_t)(self->type)) << 24) | (self->transaction_id & 0xFFFFFF);
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_4bytes = ntohl(_4bytes);
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tsk_buffer_append(output, &(_4bytes), 4);
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/*== Vendor class
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*/
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{
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_2bytes = htons(dhcp6_code_vendor_class);
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tsk_buffer_append(output, &(_2bytes), 2);
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_2bytes = htons(4 + strlen(ctx->vendor_class_data));
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tsk_buffer_append(output, &(_2bytes), 2);
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_4bytes = ntohl(ctx->enterprise_number);
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tsk_buffer_append(output, &(_4bytes), 4);
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tsk_buffer_append(output, ctx->vendor_class_data, strlen(ctx->vendor_class_data));
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}
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/*== DHCP Options
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*/
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{
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tsk_list_item_t *item;
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tnet_dhcp6_option_t* option;
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tsk_list_foreach(item, self->options)
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{
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option = (tnet_dhcp6_option_t*)item->data;
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if(tnet_dhcp6_option_serialize(option, output)){
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TSK_DEBUG_WARN("Failed to serialize DHCPv6 OPTION (%u)", option->code);
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}
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}
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}
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bail:
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return output;
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}
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tnet_dhcp6_message_t* tnet_dhcp6_message_deserialize(const tnet_dhcp6_ctx_t *ctx, const uint8_t *data, size_t size)
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{
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return 0;
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}
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//=================================================================================================
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// [[DHCPv6 MESSAGE]] object definition
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//
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static void* tnet_dhcp6_message_create(void * self, va_list * app)
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{
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tnet_dhcp6_message_t *message = self;
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if(message)
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{
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static uint16_t __dhcp6message_unique_tid = 0;//(uint32_t)tsk_time_epoch();
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message->type = va_arg(*app, tnet_dhcp6_message_type_t);
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message->transaction_id = ++__dhcp6message_unique_tid;
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message->options = TSK_LIST_CREATE();
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}
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return self;
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}
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static void* tnet_dhcp6_message_destroy(void * self)
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{
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tnet_dhcp6_message_t *message = self;
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if(message)
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{
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TSK_OBJECT_SAFE_FREE(message->options);
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}
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return self;
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}
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static const tsk_object_def_t tnet_dhcp6_message_def_s =
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{
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sizeof(tnet_dhcp6_message_t),
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tnet_dhcp6_message_create,
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tnet_dhcp6_message_destroy,
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0,
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};
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const void *tnet_dhcp6_message_def_t = &tnet_dhcp6_message_def_s;
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