97 lines
2.5 KiB
C
97 lines
2.5 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_dns_mx.c
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* @brief DNS Mail eXchange record - RR - (RFC 1035).
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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_dns_mx.h"
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#include "../tnet_types.h"
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#include "tsk_string.h"
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#include "tsk_memory.h"
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//=================================================================================================
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// [[DNS MX]] object definition
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//
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static void* tnet_dns_mx_create(void * self, va_list * app)
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{
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tnet_dns_mx_t *mx = self;
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if(mx)
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{
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const char* name = va_arg(*app, const char*);
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tnet_dns_qclass_t qclass = va_arg(*app, tnet_dns_qclass_t);
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uint32_t ttl = va_arg(*app, uint32_t);
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#if defined(__GNUC__)
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uint16_t rdlength = (uint16_t)va_arg(*app, unsigned);
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#else
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uint16_t rdlength = va_arg(*app, uint16_t);
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#endif
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const void* data = va_arg(*app, const void*);
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size_t offset = va_arg(*app, size_t);
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const uint8_t* rddata = (((uint8_t*)data) + offset);
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const uint8_t* dataEnd = (rddata + rdlength);
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/* init base */
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tnet_dns_rr_init(TNET_DNS_RR(mx), qtype_mx, qclass);
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TNET_DNS_RR(mx)->name = tsk_strdup(name);
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TNET_DNS_RR(mx)->rdlength = rdlength;
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TNET_DNS_RR(mx)->ttl = ttl;
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if(rddata && rdlength)
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{ // ==> DESERIALIZATION
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/* PREFERENCE */
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mx->preference = ntohs(*((uint16_t*)rddata));
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rddata += 2, offset += 2;
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/* EXCHANGE */
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tnet_dns_rr_qname_deserialize(data, (dataEnd - rddata), &(mx->exchange), &offset);
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}
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}
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return self;
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}
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static void* tnet_dns_mx_destroy(void * self)
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{
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tnet_dns_mx_t *mx = self;
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if(mx)
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{
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/* deinit base */
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tnet_dns_rr_deinit(TNET_DNS_RR(mx));
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TSK_FREE(mx->exchange);
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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_dns_mx_def_s =
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{
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sizeof(tnet_dns_mx_t),
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tnet_dns_mx_create,
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tnet_dns_mx_destroy,
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0,
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};
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const void *tnet_dns_mx_def_t = &tnet_dns_mx_def_s;
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