source4/nbt_server/nbt_server.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    NBT server structures
   5
   6    Copyright (C) Andrew Tridgell        2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "libcli/nbt/libnbt.h"
  23 #include "libcli/wrepl/winsrepl.h"
  24 #include "libcli/dgram/libdgram.h"
  25 #include "librpc/gen_ndr/irpc.h"
  26 #include "lib/messaging/irpc.h"
  27
  28 /*
  29    a list of our registered names on each interface
  30 */
  31 struct nbtd_iface_name {
  32         struct nbtd_iface_name *next, *prev;
  33         struct nbtd_interface *iface;
  34         struct nbt_name name;
  35         uint16_t nb_flags;
  36         struct timeval registration_time;
  37         uint32_t ttl;
  38
  39         /* if registered with a wins server, then this lists the server being
  40            used */
  41         const char *wins_server;
  42 };
  43
  44
  45 /* a list of network interfaces we are listening on */
  46 struct nbtd_interface {
  47         struct nbtd_interface *next, *prev;
  48         struct nbtd_server *nbtsrv;
  49         const char *ip_address;
  50         const char *bcast_address;
  51         const char *netmask;
  52         struct nbt_name_socket *nbtsock;
  53         struct nbt_dgram_socket *dgmsock;
  54         struct nbtd_iface_name *names;
  55 };
  56
  57
  58 /*
  59   top level context structure for the nbt server
  60 */
  61 struct nbtd_server {
  62         struct task_server *task;
  63
  64         /* the list of local network interfaces */
  65         struct nbtd_interface *interfaces;
  66
  67         /* broadcast interface used for receiving packets only */
  68         struct nbtd_interface *bcast_interface;
  69
  70         /* wins client interface - used for registering and refreshing
  71            our names with a WINS server */
  72         struct nbtd_interface *wins_interface;
  73
  74         struct wins_server *winssrv;
  75
  76         struct nbtd_statistics stats;
  77
  78         struct ldb_context *sam_ctx;
  79 };
  80
  81
  82
  83 /* check a condition on an incoming packet */
  84 #define NBTD_ASSERT_PACKET(packet, src, test) do { \
  85         if (!(test)) { \
  86                 nbtd_bad_packet(packet, src, #test); \
  87                 return; \
  88         } \
  89 } while (0)
  90
  91 struct interface;
  92 #include "nbt_server/nbt_server_proto.h"