LCOV - code coverage report
Current view: top level - source4/nbt_server - nbt_server.c (source / functions) Hit Total Coverage
Test: coverage report for master 2b515b7d Lines: 27 39 69.2 %
Date: 2024-02-28 12:06:22 Functions: 2 2 100.0 %

          Line data    Source code
       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 "samba/service_task.h"
      24             : #include "samba/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          65 : static NTSTATUS nbtd_task_init(struct task_server *task)
      39             : {
      40           2 :         struct nbtd_server *nbtsrv;
      41           2 :         NTSTATUS status;
      42           2 :         struct interface *ifaces;
      43             : 
      44          65 :         load_interface_list(task, task->lp_ctx, &ifaces);
      45             : 
      46          65 :         if (iface_list_count(ifaces) == 0) {
      47           0 :                 task_server_terminate(task, "nbtd: no network interfaces configured", false);
      48           0 :                 return NT_STATUS_UNSUCCESSFUL;
      49             :         }
      50             : 
      51          65 :         if (lpcfg_disable_netbios(task->lp_ctx)) {
      52           0 :                 task_server_terminate(task, "nbtd: 'disable netbios = yes' set in smb.conf, shutting down nbt server", false);
      53           0 :                 return NT_STATUS_UNSUCCESSFUL;
      54             :         }
      55             : 
      56          65 :         task_server_set_title(task, "task[nbtd]");
      57             : 
      58          65 :         nbtsrv = talloc(task, struct nbtd_server);
      59          65 :         if (nbtsrv == NULL) {
      60           0 :                 task_server_terminate(task, "nbtd: out of memory", true);
      61           0 :                 return NT_STATUS_NO_MEMORY;
      62             :         }
      63             : 
      64          65 :         nbtsrv->task            = task;
      65          65 :         nbtsrv->interfaces      = NULL;
      66          65 :         nbtsrv->bcast_interface = NULL;
      67          65 :         nbtsrv->wins_interface  = NULL;
      68             : 
      69             :         /* start listening on the configured network interfaces */
      70          65 :         status = nbtd_startup_interfaces(nbtsrv, task->lp_ctx, ifaces);
      71          65 :         if (!NT_STATUS_IS_OK(status)) {
      72           0 :                 task_server_terminate(task, "nbtd failed to setup interfaces", true);
      73           0 :                 return status;
      74             :         }
      75             : 
      76          65 :         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          65 :         if (nbtsrv->sam_ctx == NULL) {
      83           0 :                 task_server_terminate(task, "nbtd failed to open samdb", true);
      84           0 :                 return NT_STATUS_UNSUCCESSFUL;
      85             :         }
      86             : 
      87             :         /* start the WINS server, if appropriate */
      88          65 :         status = nbtd_winsserver_init(nbtsrv);
      89          65 :         if (!NT_STATUS_IS_OK(status)) {
      90           0 :                 task_server_terminate(task, "nbtd failed to start WINS server", true);
      91           0 :                 return status;
      92             :         }
      93             : 
      94          65 :         nbtd_register_irpc(nbtsrv);
      95             : 
      96             :         /* start the process of registering our names on all interfaces */
      97          65 :         nbtd_register_names(nbtsrv);
      98             : 
      99          65 :         irpc_add_name(task->msg_ctx, "nbt_server");
     100             : 
     101          65 :         return NT_STATUS_OK;
     102             : }
     103             : 
     104             : 
     105             : /*
     106             :   register ourselves as a available server
     107             : */
     108          66 : NTSTATUS server_service_nbtd_init(TALLOC_CTX *ctx)
     109             : {
     110           3 :         static const struct service_details details = {
     111             :                 .inhibit_fork_on_accept = true,
     112             :                 .inhibit_pre_fork = true,
     113             :                 .task_init = nbtd_task_init,
     114             :                 .post_fork = NULL
     115             :         };
     116          66 :         return register_server_service(ctx, "nbt", &details);
     117             : }

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