int main(int ac, char **av)
{
netbios_ns *ns;
struct in_addr addr;
const char *name;
ns = netbios_ns_new();
if (ac != 2)
{
fprintf(stderr, "%s usage: %s a.b.c.d\n", av[0], av[0]);
fprintf(stderr, "Print the netbios name for this IP address\n");
exit(1);
}
inet_aton(av[1], &addr);
if ((name = netbios_ns_inverse(ns, addr.s_addr)) == NULL)
{
fprintf(stderr, "Unable to perform inverse name resolution for %s\n", av[1]);
exit(42);
}
printf("%s\n", name);
netbios_ns_destroy(ns);
return (0);
}
/* Returns VLC_EGENERIC if it wasn't able to get an ip address to connect to */
static int get_address( stream_t *p_access )
{
access_sys_t *p_sys = p_access->p_sys;
if( p_sys->url.psz_host != NULL &&
!inet_pton( AF_INET, p_sys->url.psz_host, &p_sys->addr ) )
{
/* This is not an ip address, let's try netbios/dns resolve */
struct addrinfo *p_info = NULL;
/* Is this a netbios name on this LAN ? */
if( netbios_ns_resolve( p_sys->p_ns, p_sys->url.psz_host,
NETBIOS_FILESERVER,
&p_sys->addr.s_addr) == 0 )
{
strlcpy( p_sys->netbios_name, p_sys->url.psz_host, 16);
return VLC_SUCCESS;
}
/* or is it an existing dns name ? */
else if( getaddrinfo( p_sys->url.psz_host, NULL, NULL, &p_info ) == 0 )
{
if( p_info->ai_family == AF_INET )
{
struct sockaddr_in *in = (struct sockaddr_in *)p_info->ai_addr;
p_sys->addr.s_addr = in->sin_addr.s_addr;
}
if( p_info->ai_family != AF_INET )
{
freeaddrinfo( p_info );
return VLC_EGENERIC;
}
freeaddrinfo( p_info );
}
else
return VLC_EGENERIC;
}
/* We have an IP address, let's find the NETBIOS name */
const char *psz_nbt = netbios_ns_inverse( p_sys->p_ns, p_sys->addr.s_addr );
if( psz_nbt != NULL )
strlcpy( p_sys->netbios_name, psz_nbt, 16 );
else
{
msg_Warn( p_access, "Unable to get netbios name of %s",
p_sys->url.psz_host );
p_sys->netbios_name[0] = '\0';
}
return VLC_SUCCESS;
}
