samdb: Add remote address to connect
[amitay/samba.git] / source4 / nbt_server / nbt_server.c
1 /* 
2    Unix SMB/CIFS implementation.
3
4    NBT server task
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 "includes.h"
23 #include "smbd/service_task.h"
24 #include "smbd/service.h"
25 #include "nbt_server/nbt_server.h"
26 #include "nbt_server/wins/winsserver.h"
27 #include "system/network.h"
28 #include "lib/socket/netif.h"
29 #include "auth/auth.h"
30 #include "dsdb/samdb/samdb.h"
31 #include "param/param.h"
32
33 NTSTATUS server_service_nbtd_init(TALLOC_CTX *);
34
35 /*
36   startup the nbtd task
37 */
38 static void nbtd_task_init(struct task_server *task)
39 {
40         struct nbtd_server *nbtsrv;
41         NTSTATUS status;
42         struct interface *ifaces;
43
44         load_interface_list(task, task->lp_ctx, &ifaces);
45
46         if (iface_list_count(ifaces) == 0) {
47                 task_server_terminate(task, "nbtd: no network interfaces configured", false);
48                 return;
49         }
50
51         if (lpcfg_disable_netbios(task->lp_ctx)) {
52                 task_server_terminate(task, "nbtd: 'disable netbios = yes' set in smb.conf, shutting down nbt server", false);
53                 return;
54         }
55
56         task_server_set_title(task, "task[nbtd]");
57
58         nbtsrv = talloc(task, struct nbtd_server);
59         if (nbtsrv == NULL) {
60                 task_server_terminate(task, "nbtd: out of memory", true);
61                 return;
62         }
63
64         nbtsrv->task            = task;
65         nbtsrv->interfaces      = NULL;
66         nbtsrv->bcast_interface = NULL;
67         nbtsrv->wins_interface  = NULL;
68
69         /* start listening on the configured network interfaces */
70         status = nbtd_startup_interfaces(nbtsrv, task->lp_ctx, ifaces);
71         if (!NT_STATUS_IS_OK(status)) {
72                 task_server_terminate(task, "nbtd failed to setup interfaces", true);
73                 return;
74         }
75
76         nbtsrv->sam_ctx = samdb_connect(nbtsrv,
77                                         task->event_ctx,
78                                         task->lp_ctx,
79                                         system_session(task->lp_ctx),
80                                         NULL,
81                                         0);
82         if (nbtsrv->sam_ctx == NULL) {
83                 task_server_terminate(task, "nbtd failed to open samdb", true);
84                 return;
85         }
86
87         /* start the WINS server, if appropriate */
88         status = nbtd_winsserver_init(nbtsrv);
89         if (!NT_STATUS_IS_OK(status)) {
90                 task_server_terminate(task, "nbtd failed to start WINS server", true);
91                 return;
92         }
93
94         nbtd_register_irpc(nbtsrv);
95
96         /* start the process of registering our names on all interfaces */
97         nbtd_register_names(nbtsrv);
98
99         irpc_add_name(task->msg_ctx, "nbt_server");
100 }
101
102
103 /*
104   register ourselves as a available server
105 */
106 NTSTATUS server_service_nbtd_init(TALLOC_CTX *ctx)
107 {
108         struct service_details details = {
109                 .inhibit_fork_on_accept = true,
110                 .inhibit_pre_fork = true
111         };
112         return register_server_service(ctx, "nbt", nbtd_task_init, &details);
113 }