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/*
Unix SMB/CIFS implementation.
NBT server structures
Copyright (C) Andrew Tridgell 2005
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
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "libcli/nbt/libnbt.h"
/*
a list of our registered names on each interface
*/
struct nbtd_iface_name {
struct nbtd_iface_name *next, *prev;
struct nbtd_interface *iface;
struct nbt_name name;
uint16_t nb_flags;
struct timeval registration_time;
uint32_t ttl;
/* if registered with a wins server, then this lists the server being
used */
char *wins_server;
};
/* a list of network interfaces we are listening on */
struct nbtd_interface {
struct nbtd_interface *next, *prev;
struct nbtd_server *nbtsrv;
const char *ip_address;
const char *bcast_address;
const char *netmask;
struct nbt_name_socket *nbtsock;
struct nbtd_iface_name *names;
};
/*
top level context structure for the nbt server
*/
struct nbtd_server {
struct task_server *task;
/* the list of local network interfaces */
struct nbtd_interface *interfaces;
/* broadcast interface used for receiving packets only */
struct nbtd_interface *bcast_interface;
/* wins client interface - used for registering and refreshing
our names with a WINS server */
struct nbtd_interface *wins_interface;
struct wins_server *winssrv;
};
/* check a condition on an incoming packet */
#define NBTD_ASSERT_PACKET(packet, src_address, test) do { \
if (!(test)) { \
nbtd_bad_packet(packet, src_address, #test); \
return; \
} \
} while (0)
/* this copes with the nasty hack that is the type 0x1c name */
#define IS_GROUP_NAME(name, nb_flags) \
((name)->type != NBT_NAME_LOGON && (nb_flags & NBT_NM_GROUP))
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