// ====================================================================
// Mystic BBS Software               Copyright 1997-2013 By James Coyle
// ====================================================================
//
// This file is part of Mystic BBS.
//
// Mystic BBS 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.
//
// Mystic BBS 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 Mystic BBS.  If not, see <http://www.gnu.org/licenses/>.
//
// ====================================================================

#include <sys/socket.h>
#include <stdio.h>
#include <netdb.h>
#include <string.h> 
#include <unistd.h> 
#include <stdlib.h>
#include <arpa/inet.h>

int32_t ResolveAddress_IPv6(const char *host, char *remote_address);

int32_t ResolveAddress_IPv6(const char *host, char *remote_address)
{
	struct 		addrinfo *result;
	struct 		addrinfo hints;
	int 		error;		
	char		*ptr_address;

	ptr_address = remote_address + 1;

	// Let's get the Ipv6 address if it exists
	memset (&hints, 0, sizeof(hints));

	hints.ai_family = AF_INET6; 		
	hints.ai_socktype = SOCK_STREAM;

	error = getaddrinfo(&host[1], 0, &hints, &result);

	if (error == 0) {
		inet_ntop(AF_INET6, &(((struct sockaddr_in6 *)(result->ai_addr))->sin6_addr), ptr_address, INET6_ADDRSTRLEN);
		*remote_address = (char) strlen(ptr_address);
		freeaddrinfo(result);
		return AF_INET6;
	}

	// Nope, Let us check for an ipv4 address

	memset (&hints, 0, sizeof(hints));

	hints.ai_family = AF_INET; 		
	hints.ai_socktype = SOCK_STREAM;

	error = getaddrinfo(&host[1], 0, &hints, &result);

	if (error == 0) {
   		inet_ntop(AF_INET, &(((struct sockaddr_in *)(result->ai_addr))->sin_addr), ptr_address, INET6_ADDRSTRLEN);
		*remote_address = (char) strlen(ptr_address);
		freeaddrinfo(result);
		return AF_INET;
	}

	remote_address = 0;
	return 0;
}