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92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/*
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Unix SMB/CIFS implementation.
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NBT server structures
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Copyright (C) Andrew Tridgell 2005
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "libcli/nbt/libnbt.h"
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#include "libcli/dgram/libdgram.h"
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#include "librpc/gen_ndr/ndr_irpc.h"
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#include "lib/messaging/irpc.h"
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/*
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a list of our registered names on each interface
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*/
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struct nbtd_iface_name {
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struct nbtd_iface_name *next, *prev;
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struct nbtd_interface *iface;
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struct nbt_name name;
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uint16_t nb_flags;
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struct timeval registration_time;
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uint32_t ttl;
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/* if registered with a wins server, then this lists the server being
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used */
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char *wins_server;
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};
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/* a list of network interfaces we are listening on */
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struct nbtd_interface {
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struct nbtd_interface *next, *prev;
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struct nbtd_server *nbtsrv;
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const char *ip_address;
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const char *bcast_address;
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const char *netmask;
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struct nbt_name_socket *nbtsock;
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struct nbt_dgram_socket *dgmsock;
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struct nbtd_iface_name *names;
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};
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/*
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top level context structure for the nbt server
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*/
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struct nbtd_server {
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struct task_server *task;
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/* the list of local network interfaces */
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struct nbtd_interface *interfaces;
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/* broadcast interface used for receiving packets only */
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struct nbtd_interface *bcast_interface;
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/* wins client interface - used for registering and refreshing
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our names with a WINS server */
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struct nbtd_interface *wins_interface;
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struct wins_server *winssrv;
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struct nbtd_statistics stats;
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};
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/* check a condition on an incoming packet */
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#define NBTD_ASSERT_PACKET(packet, src_address, test) do { \
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if (!(test)) { \
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nbtd_bad_packet(packet, src_address, #test); \
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return; \
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} \
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} while (0)
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/* this copes with the nasty hack that is the type 0x1c name */
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#define IS_GROUP_NAME(name, nb_flags) \
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((name)->type != NBT_NAME_LOGON && (nb_flags & NBT_NM_GROUP))
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