* ipv6.c: IPv6 network abstraction layer
*****************************************************************************
* Copyright (C) 2002 VideoLAN
- * $Id: ipv6.c,v 1.3 2002/03/15 04:41:54 sam Exp $
+ * $Id: ipv6.c,v 1.8.2.3 2002/07/29 16:15:49 gbazin Exp $
*
* Authors: Alexis Guillard <alexis.guillard@bt.com>
* Christophe Massiot <massiot@via.ecp.fr>
+ * Remco Poortinga <poortinga@telin.nl>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*****************************************************************************/
#include <stdlib.h>
#include <sys/types.h>
-#include <sys/socket.h>
#include <sys/stat.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
+
#include <videolan/vlc.h>
#ifdef HAVE_UNISTD_H
#include "network.h"
-/* Default MTU used for UDP socket. FIXME: we should issue some ioctl()
- * call to get that value from the interface driver. */
-#define DEFAULT_MTU 1500
+#if defined(WIN32)
+static const struct in6_addr in6addr_any = {{IN6ADDR_ANY_INIT}};
+/* the following will have to be removed when w32api defines them */
+#ifndef IPPROTO_IPV6
+# define IPPROTO_IPV6 41
+#endif
+#ifndef IPV6_JOIN_GROUP
+# define IPV6_JOIN_GROUP 20
+#endif
+#endif
/*****************************************************************************
* Local prototypes
MODULE_CONFIG_STOP
MODULE_INIT_START
- SET_DESCRIPTION( "IPv6 network abstraction layer" )
+ SET_DESCRIPTION( _("IPv6 network abstraction layer") )
ADD_CAPABILITY( NETWORK, 40 )
ADD_SHORTCUT( "ipv6" )
MODULE_INIT_STOP
static int BuildAddr( struct sockaddr_in6 * p_socket,
char * psz_address, int i_port )
{
+ char * psz_multicast_interface = "";
+
+#if defined(WIN32)
+ /* Try to get getaddrinfo() and freeaddrinfo() from wship6.dll */
+ typedef int (CALLBACK * GETADDRINFO) ( const char *nodename,
+ const char *servname,
+ const struct addrinfo *hints,
+ struct addrinfo **res );
+ typedef void (CALLBACK * FREEADDRINFO) ( struct addrinfo FAR *ai );
+
+ struct addrinfo hints, *res;
+ GETADDRINFO _getaddrinfo = NULL;
+ FREEADDRINFO _freeaddrinfo = NULL;
+
+ HINSTANCE wship6_dll = LoadLibrary("wship6.dll");
+ if( wship6_dll )
+ {
+ _getaddrinfo = (GETADDRINFO) GetProcAddress( wship6_dll,
+ "getaddrinfo" );
+ _freeaddrinfo = (FREEADDRINFO) GetProcAddress( wship6_dll,
+ "freeaddrinfo" );
+ }
+ if( !_getaddrinfo || !_freeaddrinfo )
+ {
+ intf_ErrMsg( "ipv6 error: no IPv6 stack installed" );
+ if( wship6_dll ) FreeLibrary( wship6_dll );
+ return( -1 );
+ }
+#endif
+
/* Reset struct */
memset( p_socket, 0, sizeof( struct sockaddr_in6 ) );
- p_socket->sin6_family = AF_INET6; /* family */
+ p_socket->sin6_family = AF_INET6; /* family */
p_socket->sin6_port = htons( i_port );
if( !*psz_address )
{
p_socket->sin6_addr = in6addr_any;
}
- else if( *psz_address != '['
- || psz_address[strlen(psz_address) - 1] != ']' )
- {
- intf_ErrMsg( "ipv6: IPv6 address is invalid, discarding" );
- return( -1 );
- }
- else
+ else if( psz_address[0] == '['
+ && psz_address[strlen(psz_address) - 1] == ']' )
{
psz_address++;
+ /* see if there is an interface name in there... */
+ if( (psz_multicast_interface = strchr(psz_address, '%')) != NULL )
+ {
+ *psz_multicast_interface = '\0';
+ psz_multicast_interface++;
+ intf_WarnMsg( 3, "Interface name specified: \"%s\"",
+ psz_multicast_interface );
+ /* now convert that interface name to an index */
+#if !defined( WIN32 )
+ p_socket->sin6_scope_id = if_nametoindex(psz_multicast_interface);
+#else
+ /* FIXME: for now we always use the default interface */
+ p_socket->sin6_scope_id = 0;
+ intf_WarnMsg( 3, "Using default interface. This has to be FIXED!");
+#endif
+ intf_WarnMsg( 3, " = #%i\n", p_socket->sin6_scope_id );
+ }
psz_address[strlen(psz_address) - 1] = '\0' ;
+
+#if !defined( WIN32 )
inet_pton(AF_INET6, psz_address, &p_socket->sin6_addr.s6_addr);
+
+#else
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = AF_INET6;
+ hints.ai_flags = AI_NUMERICHOST;
+
+ if( _getaddrinfo( psz_address, NULL, &hints, &res ) )
+ {
+ FreeLibrary( wship6_dll );
+ return( -1 );
+ }
+ memcpy( &p_socket->sin6_addr,
+ &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr,
+ sizeof(struct in6_addr) );
+ _freeaddrinfo( res );
+
+#endif
}
+ else
+ {
+#ifdef HAVE_GETHOSTBYNAME2
+ struct hostent * p_hostent;
+
+ /* We have a fqdn, try to find its address */
+ if ( (p_hostent = gethostbyname2( psz_address, AF_INET6 )) == NULL )
+ {
+ intf_ErrMsg( "ipv6 error: unknown host %s", psz_address );
+ return( -1 );
+ }
+
+ /* Copy the first address of the host in the socket address */
+ memcpy( &p_socket->sin6_addr, p_hostent->h_addr_list[0],
+ p_hostent->h_length );
+
+#elif defined(WIN32)
+ if( _getaddrinfo( psz_address, NULL, &hints, &res ) )
+ {
+ FreeLibrary( wship6_dll );
+ return( -1 );
+ }
+ memcpy( &p_socket->sin6_addr,
+ &((struct sockaddr_in6 *)res->ai_addr)->sin6_addr,
+ sizeof(struct in6_addr) );
+ _freeaddrinfo( res );
+
+#else
+ intf_ErrMsg( "ipv6 error: IPv6 address %s is invalid", psz_address );
+ return( -1 );
+#endif
+ }
+
+#if defined(WIN32)
+ FreeLibrary( wship6_dll );
+#endif
+
return( 0 );
}
if( i_bind_port == 0 )
{
- i_bind_port = config_GetIntVariable( "server_port" );
+ i_bind_port = config_GetIntVariable( "server-port" );
}
/* Open a SOCK_DGRAM (UDP) socket, in the AF_INET6 domain, automatic (0)
}
/* Join the multicast group if the socket is a multicast address */
- /* FIXME: To be written */
+ if( IN6_IS_ADDR_MULTICAST(&sock.sin6_addr) )
+ {
+ struct ipv6_mreq imr;
+ int res;
+
+ imr.ipv6mr_interface = sock.sin6_scope_id;
+ imr.ipv6mr_multiaddr = sock.sin6_addr;
+ res = setsockopt(i_handle, IPPROTO_IPV6, IPV6_JOIN_GROUP, (void *)&imr,
+ sizeof(imr));
+
+ if( res == -1 )
+ {
+ intf_ErrMsg( "ipv6 error: setsockopt JOIN_GROUP failed" );
+ }
+ }
+
if( *psz_server_addr )
{
}
p_socket->i_handle = i_handle;
- p_socket->i_mtu = DEFAULT_MTU;
+ p_socket->i_mtu = config_GetIntVariable( "mtu" );
return( 0 );
}
return OpenTCP( p_socket );
}
}
-
-
projects / vlc / blobdiff