1 files changed, 106 insertions, 0 deletions
diff --git a/tinyNET/src/dns/tnet_dns_a.c b/tinyNET/src/dns/tnet_dns_a.c
new file mode 100644
index 0000000..f53e070
--- /dev/null
+++ b/tinyNET/src/dns/tnet_dns_a.c
@@ -0,0 +1,106 @@
+/*
+* Copyright (C) 2009-2010 Mamadou Diop.
+*
+* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
+*	
+* 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_dns_a.c
+ * @brief DNS Address record - RR - (RFC 1035).
+ *
+ * @author Mamadou Diop <diopmamadou(at)doubango.org>
+ *
+ * @date Created: Sat Nov 8 16:54:58 2009 mdiop
+ */
+#include "tnet_dns_a.h"
+
+#include "../tnet_types.h"
+#include "../tnet_endianness.h"
+
+#include "tsk_string.h"
+#include "tsk_memory.h"
+#include "tsk_debug.h"
+
+/** Creates new DNS A Resource Record.
+*/
+tnet_dns_a_t* tnet_dns_a_create(const char* name, tnet_dns_qclass_t qclass, uint32_t ttl, uint16_t rdlength, const void* data, tsk_size_t offset)
+{
+	return tsk_object_new(tnet_dns_a_def_t, name, qclass, ttl, rdlength, data, offset);
+}
+
+
+//=================================================================================================
+//	[[DNS A]] object definition
+//
+static tsk_object_t* tnet_dns_a_ctor(tsk_object_t * self, va_list * app)
+{
+	tnet_dns_a_t *a = self;
+	if(a){
+		const char* name = va_arg(*app, const char*);
+		tnet_dns_qclass_t qclass = va_arg(*app, tnet_dns_qclass_t);
+		uint32_t ttl = va_arg(*app, uint32_t);
+#if defined(__GNUC__)
+		uint16_t rdlength = (uint16_t)va_arg(*app, unsigned);
+#else
+		uint16_t rdlength = va_arg(*app, uint16_t);
+#endif
+		const void* data = va_arg(*app, const void*);
+		tsk_size_t offset = va_arg(*app, tsk_size_t);
+
+		const uint8_t* rddata = (((uint8_t*)data) + offset);
+		//const uint8_t* dataEnd = (rddata + rdlength);
+
+		/* init base */
+		tnet_dns_rr_init(TNET_DNS_RR(a), qtype_a, qclass);
+		TNET_DNS_RR(a)->name = tsk_strdup(name);
+		TNET_DNS_RR(a)->rdlength = rdlength;
+		TNET_DNS_RR(a)->ttl = ttl;
+
+		if(rddata && rdlength && (rdlength == 4/* 32bits */)){
+			// ==> DESERIALIZATION
+			/* ADDRESS */
+			uint32_t address = tnet_htonl_2(rddata);
+			tsk_sprintf(&(a->address), "%u.%u.%u.%u", (address>>24)&0xFF, (address>>16)&0xFF, (address>>8)&0xFF, (address>>0)&0xFF);
+		}
+		else{
+			TSK_DEBUG_ERROR("Invalid IPv4 address.");
+		}
+
+	}
+	return self;
+}
+
+static tsk_object_t* tnet_dns_a_dtor(tsk_object_t * self) 
+{ 
+	tnet_dns_a_t *a = self;
+	if(a){
+		/* deinit base */
+		tnet_dns_rr_deinit(TNET_DNS_RR(a));
+
+		TSK_FREE(a->address);
+	}
+	return self;
+}
+
+static const tsk_object_def_t tnet_dns_a_def_s =
+{
+	sizeof(tnet_dns_a_t),
+	tnet_dns_a_ctor,
+	tnet_dns_a_dtor,
+	tsk_null,
+};
+const tsk_object_def_t *tnet_dns_a_def_t = &tnet_dns_a_def_s;