/*****************************************************************************
* netutils.c: various network functions
*****************************************************************************
- * Copyright (C) 1999, 2000 VideoLAN
+ * Copyright (C) 1999, 2000, 2001 VideoLAN
+ * $Id: netutils.c,v 1.37 2001/06/02 01:09:03 sam Exp $
*
* Authors: Vincent Seguin <seguin@via.ecp.fr>
* Benoit Steiner <benny@via.ecp.fr>
+ * Henri Fallon <henri@videolan.org>
+ * Xavier Marchesini <xav@via.ecp.fr>
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program 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
*****************************************************************************/
#include "defs.h"
-#include <netdb.h> /* gethostbyname() */
#include <stdlib.h> /* free(), realloc(), atoi() */
#include <errno.h> /* errno() */
-#include <string.h> /* bzero(), bcopy() */
+#include <string.h> /* memset() */
+#ifdef HAVE_UNISTD_H
+#include <unistd.h> /* gethostname() */
+#elif defined( _MSC_VER ) && defined( _WIN32 )
+#include <io.h>
+#endif
+
+#if !defined( _MSC_VER )
+#include <sys/time.h> /* gettimeofday */
+#endif
+
+#if !defined( WIN32 )
+#include <netdb.h> /* gethostbyname() */
#include <netinet/in.h> /* BSD: struct in_addr */
#include <sys/socket.h> /* BSD: struct sockaddr */
+#endif
+
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h> /* inet_ntoa(), inet_aton() */
#endif
-#if defined (HAVE_SYS_IOCTL_H)
+#ifdef SYS_LINUX
#include <sys/ioctl.h> /* ioctl() */
#endif
-#include <unistd.h> /* needed for ioctl on Solaris */
-//#include <stropts.h>
+#if defined( WIN32 ) /* tools to get the MAC adress from */
+#include <windows.h> /* the interface under Windows */
+#include <stdio.h>
+#endif
-#if defined (HAVE_NET_IF_H)
+#ifdef HAVE_NET_IF_H
#include <net/if.h> /* interface (arch-dependent) */
#endif
+
#ifdef HAVE_SYS_SOCKIO_H
#include <sys/sockio.h>
#endif
#include "config.h"
#include "common.h"
#include "mtime.h"
+#include "threads.h"
+#include "main.h"
#include "intf_msg.h"
-#include "debug.h"
#include "netutils.h"
/*****************************************************************************
- * BuildInetAddr: build an Internet address descriptor
+ * input_channel_t: channel library data
*****************************************************************************
- * Build an internet socket descriptor from a host name, or an ip, and a port.
- * If the address is NULL, then INADDR_ANY will be used, allowing to receive
- * on any address for a local socket. Usually, in this case, 'port' is also null
- * and the function always succeeds.
+ * Store global channel library data.
+ * The part of the code concerning the channel changing process is unstable
+ * as it depends on the VideoLAN channel server, which isn't frozen for
+ * the time being.
*****************************************************************************/
-int BuildInetAddr( struct sockaddr_in *p_sa_in, char *psz_in_addr, int i_port )
+typedef struct input_channel_s
{
- struct hostent *p_hostent; /* host descriptor */
+ int i_channel; /* current channel number */
+ mtime_t last_change; /* last change date */
+} input_channel_t;
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int GetMacAddress ( int i_socket, char *psz_mac );
+#ifdef WIN32
+static int GetAdapterInfo ( int i_adapter, char *psz_string );
+#endif
- memset( p_sa_in, 0, sizeof( struct sockaddr_in ) );
- p_sa_in->sin_family = AF_INET; /* family */
- p_sa_in->sin_port = htons( i_port ); /* port */
+/*****************************************************************************
+ * network_BuildLocalAddr : fill a sockaddr_in structure for local binding
+ *****************************************************************************/
+int network_BuildLocalAddr( struct sockaddr_in * p_socket, int i_port,
+ char * psz_broadcast )
+{
+ char psz_hostname[INPUT_MAX_SOURCE_LENGTH];
+ struct hostent * p_hostent;
+
+ /* Reset struct */
+ memset( p_socket, 0, sizeof( struct sockaddr_in ) );
+ p_socket->sin_family = AF_INET; /* family */
+ p_socket->sin_port = htons( i_port );
+ if( psz_broadcast == NULL )
+ {
+ /* Try to get our own IP */
+ if( gethostname( psz_hostname, sizeof(psz_hostname) ) )
+ {
+ intf_ErrMsg( "BuildLocalAddr : unable to resolve local name : %s",
+ strerror( errno ) );
+ return( -1 );
+ }
- /* Use INADDR_ANY if psz_in_addr is NULL */
- if( psz_in_addr == NULL )
+ }
+ else
{
- p_sa_in->sin_addr.s_addr = htonl(INADDR_ANY);
+ /* I didn't manage to make INADDR_ANYT work, even with setsockopt
+ * so, as it's kludgy to try and determine the broadcast addr
+ * it is passed as an argument in the command line */
+ strncpy( psz_hostname, psz_broadcast, INPUT_MAX_SOURCE_LENGTH );
}
+
/* Try to convert address directly from in_addr - this will work if
* psz_in_addr is dotted decimal. */
-#if defined HAVE_ARPA_INET_H && !defined SYS_SOLARIS
- else if( !inet_aton( psz_in_addr, &p_sa_in->sin_addr) )
+#ifdef HAVE_ARPA_INET_H
+ if( !inet_aton( psz_hostname, &p_socket->sin_addr) )
#else
- else if( (p_sa_in->sin_addr.s_addr = inet_addr( psz_in_addr )) == -1 )
+ if( (p_socket->sin_addr.s_addr = inet_addr( psz_hostname )) == -1 )
#endif
{
- /* The convertion failed: the address is an host name, which needs
- * to be resolved */
- intf_DbgMsg("debug: resolving internet address %s...", psz_in_addr);
- if ( (p_hostent = gethostbyname(psz_in_addr)) == NULL)
+ /* We have a fqdn, try to find its address */
+ if ( (p_hostent = gethostbyname( psz_hostname )) == NULL )
{
- intf_ErrMsg( "net error: unknown host %s", psz_in_addr );
+ intf_ErrMsg( "BuildLocalAddr: unknown host %s", psz_hostname );
return( -1 );
}
/* Copy the first address of the host in the socket address */
- memmove( &p_sa_in->sin_addr, p_hostent->h_addr_list[0], p_hostent->h_length );
+ memcpy( &p_socket->sin_addr, p_hostent->h_addr_list[0],
+ p_hostent->h_length );
}
return( 0 );
}
-
/*****************************************************************************
- * ServerPort: extract port from a "server:port" adress
- *****************************************************************************
- * Returns the port number in a "server:port" address and replace the ":" by
- * a NUL character, or returns -1.
+ * network_BuildRemoteAddr : fill a sockaddr_in structure for remote host
*****************************************************************************/
-int ServerPort( char *psz_addr )
+int network_BuildRemoteAddr( struct sockaddr_in * p_socket, char * psz_server )
{
- char *psz_index;
+ struct hostent * p_hostent;
- /* Scan string for ':' */
- for( psz_index = psz_addr; *psz_index && (*psz_index != ':'); psz_index++ )
- {
- ;
- }
+ /* Reset structure */
+ memset( p_socket, 0, sizeof( struct sockaddr_in ) );
+ p_socket->sin_family = AF_INET; /* family */
+ p_socket->sin_port = htons( 0 ); /* This is for remote end */
- /* If a port number has been found, convert it and return it */
- if( *psz_index == ':' )
+ /* Try to convert address directly from in_addr - this will work if
+ * psz_in_addr is dotted decimal. */
+
+#ifdef HAVE_ARPA_INET_H
+ if( !inet_aton( psz_server, &p_socket->sin_addr) )
+#else
+ if( (p_socket->sin_addr.s_addr = inet_addr( psz_server )) == -1 )
+#endif
{
- *psz_index = '\0';
- return( atoi( psz_index + 1 ) );
- }
+ /* We have a fqdn, try to find its address */
+ if ( (p_hostent = gethostbyname(psz_server)) == NULL )
+ {
+ intf_ErrMsg( "BuildRemoteAddr: unknown host %s",
+ psz_server );
+ return( -1 );
+ }
- return( - 1 );
+ /* Copy the first address of the host in the socket address */
+ memcpy( &p_socket->sin_addr, p_hostent->h_addr_list[0],
+ p_hostent->h_length );
+ }
+ return( 0 );
}
-
/*****************************************************************************
- * ReadIfConf: Read the configuration of an interface
+ * network_ChannelCreate: initialize global channel method data
*****************************************************************************
- * i_sockfd must reference a socket open as follow: AF_INET, DOCK_DGRAM, 0
+ * Initialize channel input method global data. This function should be called
+ * once before any input thread is created or any call to other
+ * input_Channel*() function is attempted.
*****************************************************************************/
-#if 0
-/* pbm : SIOCGIFHWADDR, doesn't exist on BSD -> find a portable way to
- do this --Meuuh */
-int ReadIfConf(int i_sockfd, if_descr_t* p_ifdescr, char* psz_name)
+int network_ChannelCreate( void )
{
- int i_rc = 0;
-#if defined (HAVE_SYS_IOCTL_H) && defined(HAVE_NET_IF_H)
- struct ifreq ifr_config;
+/* Even when BSD are supported, BeOS is not likely to be supported, so
+ * I prefer to put it apart */
+#if defined( SYS_BEOS )
+ intf_ErrMsg( "error: channel changing is not yet supported under BeOS" );
+ return( 1 );
+
+#elif defined( SYS_LINUX ) || defined( WIN32 )
+/* FIXME : channels handling only work for linux */
+ /* Allocate structure */
+ p_main->p_channel = malloc( sizeof( input_channel_t ) );
+ if( p_main->p_channel == NULL )
+ {
+ intf_ErrMsg( "network error: could not create channel bank" );
+ return( -1 );
+ }
+
+ /* Initialize structure */
+ p_main->p_channel->i_channel = 0;
+ p_main->p_channel->last_change = 0;
+
+ intf_Msg( "network: channels initialized" );
+ return( 0 );
- ASSERT(p_ifdescr);
- ASSERT(psz_name);
+#else
+ intf_ErrMsg( "network error : channels not supported" );
+ return( 1 );
- /* Which interface are we interested in ? */
- strcpy(ifr_config.ifr_name, psz_name);
+#endif
+}
- /* Read the flags for that interface */
- i_rc = ioctl(i_sockfd, SIOCGIFFLAGS, (byte_t *)&ifr_config);
- if( !i_rc )
+/*****************************************************************************
+ * network_ChannelJoin: join a channel
+ *****************************************************************************
+ * This function will try to join a channel. If the relevant interface is
+ * already on the good channel, nothing will be done. Else, and if possible
+ * (if the interface is not locked), the channel server will be contacted
+ * and a change will be requested. The function will block until the change
+ * is effective. Note that once a channel is no more used, it's interface
+ * should be unlocked using input_ChannelLeave().
+ * Non 0 will be returned in case of error.
+ *****************************************************************************/
+int network_ChannelJoin( int i_channel )
+{
+/* I still prefer to put BeOS a bit apart */
+#if defined( SYS_BEOS )
+ intf_ErrMsg( "network error: channels are not yet supported under BeOS" );
+ return( -1 );
+
+#elif defined( SYS_LINUX ) || defined( WIN32 )
+ int i_socket;
+ int i_fromlen;
+ struct sockaddr_in sa_server;
+ struct sockaddr_in sa_client;
+ unsigned int i_version = 12;
+ char psz_mess[ 80 ];
+ char psz_mac[ 40 ];
+ char i_mess_length = 80;
+ unsigned long int i_date;
+ struct timeval answer_delay;
+ int i_nbanswer;
+ char i_answer;
+ fd_set fds;
+ unsigned int i_rc;
+ char * psz_channel_server;
+
+ if( !main_GetIntVariable( INPUT_NETWORK_CHANNEL_VAR,
+ INPUT_NETWORK_CHANNEL_DEFAULT ) )
{
- p_ifdescr->i_flags = ifr_config.ifr_flags;
- intf_DbgMsg("%s flags: 0x%x", psz_name, p_ifdescr->i_flags);
+ intf_ErrMsg( "network: channels disabled, to enable them, use the"
+ "--channels option" );
+ return( -1 );
}
- else
+
+ /* debug */
+ intf_DbgMsg( "network: ChannelJoin : %d", i_channel );
+ /* If last change is too recent, wait a while */
+ if( mdate() - p_main->p_channel->last_change < INPUT_CHANNEL_CHANGE_DELAY )
{
- intf_ErrMsg( "net error: cannot read flags for interface %s (%s)",
- psz_name, strerror(errno) );
- return -1;
+ intf_WarnMsg( 2, "network: waiting before changing channel" );
+ mwait( p_main->p_channel->last_change + INPUT_CHANNEL_CHANGE_DELAY );
}
- /* Read physical address of the interface and store it in our description */
-#ifdef SYS_SOLARIS
- i_rc = ioctl(i_sockfd, SIOCGENADDR, (byte_t *)&ifr_config);
+ p_main->p_channel->last_change = mdate();
+ p_main->p_channel->i_channel = i_channel;
+
+ intf_WarnMsg( 2, "network: joining channel %d", i_channel );
+
+ /*
+ * Initializing the socket
+ */
+ i_socket = socket( AF_INET, SOCK_DGRAM, 0 );
+
+ /*
+ * Getting the server's information
+ */
+ intf_WarnMsg( 6, "Channel server: %s port: %d",
+ main_GetPszVariable( INPUT_CHANNEL_SERVER_VAR,
+ INPUT_CHANNEL_SERVER_DEFAULT ),
+ main_GetIntVariable( INPUT_CHANNEL_PORT_VAR,
+ INPUT_CHANNEL_PORT_DEFAULT ) );
+
+ memset( &sa_server, 0x00, sizeof(struct sockaddr_in) );
+ sa_server.sin_family = AF_INET;
+ sa_server.sin_port = htons( main_GetIntVariable( INPUT_CHANNEL_PORT_VAR,
+ INPUT_CHANNEL_PORT_DEFAULT ) );
+
+ psz_channel_server = strdup( main_GetPszVariable( INPUT_CHANNEL_SERVER_VAR,
+ INPUT_CHANNEL_SERVER_DEFAULT ) );
+#ifdef HAVE_ARPA_INET_H
+ inet_aton( psz_channel_server, &sa_server.sin_addr );
#else
- i_rc = ioctl(i_sockfd, SIOCGIFHWADDR, (byte_t *)&ifr_config);
+ sa_server.sin_addr.s_addr = inet_addr( psz_channel_server );
#endif
- if( !i_rc )
- {
- memcpy(&p_ifdescr->sa_phys_addr, &ifr_config.ifr_addr, sizeof(struct sockaddr));
- intf_DbgMsg("%s MAC address: %2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x", psz_name,
- p_ifdescr->sa_phys_addr.sa_data[0]&0xff,
- p_ifdescr->sa_phys_addr.sa_data[1]&0xff,
- p_ifdescr->sa_phys_addr.sa_data[2]&0xff,
- p_ifdescr->sa_phys_addr.sa_data[3]&0xff,
- p_ifdescr->sa_phys_addr.sa_data[4]&0xff,
- p_ifdescr->sa_phys_addr.sa_data[5]&0xff);
- }
- else
- {
- intf_ErrMsg( "net error: cannot read hardware address for %s (%s)",
- psz_name, strerror(errno) );
- return -1;
- }
+ free( psz_channel_server );
- /* Read IP address of the interface and store it in our description */
- i_rc = ioctl(i_sockfd, SIOCGIFADDR, (byte_t *)&ifr_config);
- if( !i_rc )
+ /*
+ * Looking for the interface MAC address
+ */
+ if( GetMacAddress( i_socket, psz_mac ) )
{
- memcpy(&p_ifdescr->sa_net_addr, &ifr_config.ifr_addr, sizeof(struct sockaddr));
- intf_DbgMsg("%s IP address: %s", psz_name,
- inet_ntoa(p_ifdescr->sa_net_addr.sin_addr));
+ intf_ErrMsg( "network error: failed getting MAC address" );
+ return( -1 );
}
- else
+
+ /*
+ * Getting date of the client in seconds
+ */
+ i_date = mdate() / 1000000;
+ intf_DbgMsg( "vlcs: date %lu", i_date );
+
+ /*
+ * Build of the message
+ */
+ sprintf( psz_mess, "%d %u %lu %s \n",
+ i_channel, i_version, i_date, psz_mac );
+
+ intf_DbgMsg( "vlcs: The message is %s", psz_mess );
+
+ /*
+ * Open the socket 2
+ */
+ memset( &sa_client, 0x00, sizeof(struct sockaddr_in) );
+ sa_client.sin_family = AF_INET;
+ sa_client.sin_port = htons(4312);
+ sa_client.sin_addr.s_addr = INADDR_ANY;
+ i_fromlen = sizeof( struct sockaddr );
+ i_rc = bind( i_socket, (struct sockaddr *)(&sa_client),\
+ sizeof(struct sockaddr) );
+ if ( i_rc )
{
- intf_ErrMsg( "net error: cannot read network address for %s (%s)",
- psz_name, strerror(errno) );
+ intf_ErrMsg( "vlcs: Unable to bind socket:%u ", i_rc );
+ /* TODO put CS_R_BIND in types.h*/
+ /* return CS_R_SOCKET;*/
return -1;
}
- /* Read broadcast address of the interface and store it in our description */
- if(p_ifdescr->i_flags & IFF_POINTOPOINT)
+ /*
+ * Send the message
+ */
+ sendto( i_socket, psz_mess, i_mess_length, 0, \
+ (struct sockaddr *)(&sa_server), \
+ sizeof(struct sockaddr) );
+
+ /*
+ * Waiting 5 sec for one answer from the server
+ */
+ answer_delay.tv_sec = 5;
+ answer_delay.tv_usec = 0;
+ FD_ZERO( &fds );
+ FD_SET( i_socket, &fds );
+ i_nbanswer = select( i_socket + 1, &fds, NULL, NULL, &answer_delay );
+
+ switch( i_nbanswer )
{
- intf_DbgMsg("%s doen't not support broadcast", psz_name);
- i_rc = ioctl(i_sockfd, SIOCGIFDSTADDR, (byte_t *)&ifr_config);
- }
- else
- {
- intf_DbgMsg("%s supports broadcast", psz_name);
- i_rc = ioctl(i_sockfd, SIOCGIFBRDADDR, (byte_t *)&ifr_config);
- }
- if( !i_rc )
- {
- memcpy(&p_ifdescr->sa_bcast_addr, &ifr_config.ifr_addr, sizeof(struct sockaddr));
- intf_DbgMsg("%s broadcast address: %s", psz_name,
- inet_ntoa(p_ifdescr->sa_bcast_addr.sin_addr));
- }
- else
- {
- intf_ErrMsg( "net error: cannot read broadcast address for %s (%s)",
- psz_name, strerror(errno));
- return -1;
+ case 0:
+ intf_DbgMsg( "vlcs: no answer" );
+ break;
+
+ case -1:
+ intf_DbgMsg( "vlcs: unable to receive the answer ");
+ break;
+
+ default:
+ recvfrom( i_socket, &i_answer, sizeof(char), 0,\
+ (struct sockaddr *)(&sa_client), &i_fromlen);
+
+ intf_DbgMsg( "vlcs: the answer : %i", i_answer );
+
+ switch( i_answer )
+ {
+ case -1:
+ intf_DbgMsg( "vlcs: the server failed to create the thread" );
+ break;
+ case 0:
+ intf_DbgMsg( "vlcs: the server tries to change the channel" );
+ break;
+ default:
+ intf_DbgMsg( "vlcs: unknown answer !" );
+ break;
+ }
+ break;
}
-#endif
- return i_rc;
+ /*
+ * Close the socket
+ */
+ close( i_socket );
+
+ return( 0 );
+
+#else
+ intf_ErrMsg( "network error: channels not supported" );
+ return( -1 );
+
+#endif
}
+/* Following functions are local */
/*****************************************************************************
- * ReadNetConf: Retrieve the network configuration of the host
- *****************************************************************************
- * Only IP interfaces are listed, and only if they are up
- * i_sockfd must reference a socket open as follow: AF_INET, DOCK_DGRAM, 0
+ * GetMacAddress: extract the MAC Address
*****************************************************************************/
-int ReadNetConf(int i_sockfd, net_descr_t* p_net_descr)
+static int GetMacAddress( int i_socket, char *psz_mac )
{
- int i_rc = 0;
+#if defined( SYS_LINUX )
+ struct ifreq interface;
+ int i_ret;
-#if defined (HAVE_SYS_IOCTL_H) && defined (HAVE_NET_IF_H)
- struct ifreq* a_ifr_ifconf = NULL;
- struct ifreq* p_ifr_current_if;
- struct ifconf ifc_netconf;
+ /*
+ * Looking for information about the eth0 interface
+ */
+ interface.ifr_addr.sa_family = AF_INET;
+ strcpy( interface.ifr_name, INPUT_IFACE_DEFAULT );
- int i_if_number;
- int i_remaining;
+ i_ret = ioctl( i_socket, SIOCGIFHWADDR, &interface );
- ASSERT(p_net_descr);
+ if( i_ret )
+ {
+ intf_ErrMsg( "network error: ioctl SIOCGIFHWADDR failed" );
+ return( i_ret );
+ }
- /* Start by assuming we have few than 3 interfaces (i_if_number will
- be incremented by 1 when entering the loop) */
- i_if_number = 2;
+ sprintf( psz_mac, "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
+ interface.ifr_hwaddr.sa_data[0] & 0xff,
+ interface.ifr_hwaddr.sa_data[1] & 0xff,
+ interface.ifr_hwaddr.sa_data[2] & 0xff,
+ interface.ifr_hwaddr.sa_data[3] & 0xff,
+ interface.ifr_hwaddr.sa_data[4] & 0xff,
+ interface.ifr_hwaddr.sa_data[5] & 0xff );
- /* Retrieve network configuration for that host */
- do
- {
- i_if_number++;
- a_ifr_ifconf = realloc(a_ifr_ifconf, i_if_number*sizeof(struct ifreq));
- ifc_netconf.ifc_len = i_if_number*sizeof(struct ifreq);
- ifc_netconf.ifc_req = a_ifr_ifconf;
+ return( 0 );
- i_rc = ioctl(i_sockfd, SIOCGIFCONF, (byte_t*)&ifc_netconf);
- if( i_rc )
- {
- intf_ErrMsg( "net error: cannot read network configuration (%s)",
- strerror(errno));
- break;
- }
- }
- /* If we detected ifc_len interfaces, this may mean that others have
- been missed because the a_ifr_ifconf was to little, so increase
- it's size and retry */
- while( ifc_netconf.ifc_len >= i_if_number*sizeof(struct ifreq) );
+#elif defined( WIN32 )
+ int i, i_ret = -1;
+
+ /* Get adapter list - support for more than one adapter */
+ LANA_ENUM AdapterList;
+ NCB Ncb;
+
+ intf_WarnMsg( 2, "network: looking for MAC address" );
+
+ memset( &Ncb, 0, sizeof( NCB ) );
+ Ncb.ncb_command = NCBENUM;
+ Ncb.ncb_buffer = (unsigned char *)&AdapterList;
+ Ncb.ncb_length = sizeof( AdapterList );
+ Netbios( &Ncb );
- /* No see what we detected */
- if( !i_rc )
+ /* Get all of the local ethernet addresses */
+ for ( i = 0; i < AdapterList.length ; ++i )
{
- /* Init the given net_descr_t struct */
- p_net_descr->i_if_number = 0;
- p_net_descr->a_if = NULL;
-
- /* Iterate through the entries of the a_ifr_ifconf table */
- p_ifr_current_if = ifc_netconf.ifc_req;
- for( i_remaining = ifc_netconf.ifc_len / sizeof (struct ifreq);
- i_remaining-- > 0; p_ifr_current_if++ )
+ if ( GetAdapterInfo ( AdapterList.lana[ i ], psz_mac ) == 0 )
{
- intf_DbgMsg("Found interface %s", p_ifr_current_if->ifr_name);
-
- /* Don't use an interface devoted to an address family other than IP */
- if(p_ifr_current_if->ifr_addr.sa_family != AF_INET)
- continue;
-
- /* Read the status of this interface */
- if( ioctl(i_sockfd, SIOCGIFFLAGS, (byte_t *)p_ifr_current_if) < 0 )
- {
- intf_ErrMsg( "net error: cannot access interface %s (%s)",
- p_ifr_current_if->ifr_name, strerror(errno) );
- i_rc = -1;
- break;
- }
- else
- {
- /* Skip this interface if it is not up or if this is a loopback one */
- if( !p_ifr_current_if->ifr_flags & IFF_UP ||
- p_ifr_current_if->ifr_flags & IFF_LOOPBACK )
- continue;
-
- /* Add an entry to the net_descr struct to store the description of
- that interface */
- p_net_descr->i_if_number++;
- p_net_descr->a_if = realloc(p_net_descr->a_if,
- p_net_descr->i_if_number*sizeof(if_descr_t));
- /* FIXME: Read the info ?? */
- i_rc = ReadIfConf(i_sockfd, &p_net_descr->a_if[p_net_descr->i_if_number-1],
- p_ifr_current_if->ifr_name);
- }
+ i_ret = 0;
}
}
- /* Don't need the a_ifr_ifconf anymore */
- free( a_ifr_ifconf );
-#endif
+ return( i_ret );
+
+#else
+ return( -1);
- return i_rc;
+#endif
}
+#ifdef WIN32
+/*****************************************************************************
+ * GetAdapterInfo : gets some informations about the interface using NETBIOS
+ *****************************************************************************/
+static int GetAdapterInfo( int i_adapter, char *psz_string )
+{
+ struct ASTAT
+ {
+ ADAPTER_STATUS adapt;
+ NAME_BUFFER psz_name[30];
+ } Adapter;
+
+ /* Reset the LAN adapter so that we can begin querying it */
+ NCB Ncb;
+ memset( &Ncb, 0, sizeof ( Ncb ) );
+ Ncb.ncb_command = NCBRESET;
+ Ncb.ncb_lana_num = i_adapter;
+
+ if( Netbios( &Ncb ) != NRC_GOODRET )
+ {
+ intf_ErrMsg( "network error: reset returned %i", Ncb.ncb_retcode );
+ return -1;
+ }
+
+ /* Prepare to get the adapter status block */
+ memset( &Ncb, 0, sizeof( Ncb ) ) ; /* Initialization */
+ Ncb.ncb_command = NCBASTAT;
+ Ncb.ncb_lana_num = i_adapter;
+
+ strcpy( (char *)Ncb.ncb_callname, "*" );
+
+ memset( &Adapter, 0, sizeof ( Adapter ) );
+ Ncb.ncb_buffer = ( unsigned char * ) &Adapter;
+ Ncb.ncb_length = sizeof ( Adapter );
+
+ /* Get the adapter's info and, if this works, return it in standard,
+ * colon-delimited form. */
+ if ( Netbios( &Ncb ) == 0 )
+ {
+ sprintf ( psz_string, "%02X:%02X:%02X:%02X:%02X:%02X",
+ (int) ( Adapter.adapt.adapter_address[0] ),
+ (int) ( Adapter.adapt.adapter_address[1] ),
+ (int) ( Adapter.adapt.adapter_address[2] ),
+ (int) ( Adapter.adapt.adapter_address[3] ),
+ (int) ( Adapter.adapt.adapter_address[4] ),
+ (int) ( Adapter.adapt.adapter_address[5] ) );
+
+ intf_WarnMsg( 2, "network: found MAC address %s", psz_string );
+
+ return 0;
+ }
+ else
+ {
+ intf_ErrMsg( "network error: ASTAT returned %i", Ncb.ncb_retcode );
+ return -1;
+ }
+}
+#endif /* WIN32 */
-#endif
projects / vlc / blobdiff