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server. Currently just listens on port 138 and parses the packets (using IDL like the rest of NBT). This allows me to develop the structures and test with real packets
88 lines
2.3 KiB
C
88 lines
2.3 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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/*
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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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};
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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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