1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
|
/* net/getaddr6.c - Determine the IPv6 address of a socket
* Copyright (C) 2004,2005 Bruce Guenter <bruce@untroubled.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "sysdeps.h"
#include <errno.h>
#include <string.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include "socket.h"
/** Determine the IPv6 address of a socket. */
int socket_getaddr6(int sock, ipv6addr* addr, ipv6port* port)
{
#if HASIPV6
struct sockaddr_in6 sa;
socklen_t size;
size = sizeof sa;
if (getsockname(sock, (struct sockaddr*)&sa, &size) == -1) return 0;
if (sa.sin6_family != AF_INET6) return 0;
if (size != sizeof sa) return 0;
memcpy(&addr->addr, &sa.sin6_addr, 16);
*port = ntohs(sa.sin6_port);
return 1;
#else
errno = EPROTONOSUPPORT;
return 0;
#endif
}
|