Line data    Source code

       1             : /*
       2             :    Unix SMB/CIFS implementation.
       3             :    oplock processing
       4             :    Copyright (C) Andrew Tridgell 1992-1998
       5             :    Copyright (C) Jeremy Allison 1998 - 2001
       6             :    Copyright (C) Volker Lendecke 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 "lib/util/server_id.h"
      24             : #include "locking/share_mode_lock.h"
      25             : #include "smbd/smbd.h"
      26             : #include "smbd/globals.h"
      27             : #include "messages.h"
      28             : #include "locking/leases_db.h"
      29             : #include "../librpc/gen_ndr/ndr_open_files.h"
      30             : 
      31             : /****************************************************************************
      32             :  Set up an oplock break message.
      33             : ****************************************************************************/
      34             : 
      35           0 : void new_break_message_smb1(files_struct *fsp, int cmd,
      36             :                             char result[SMB1_BREAK_MESSAGE_LENGTH])
      37             : {
      38           0 :         memset(result,'\0',smb_size);
      39           0 :         srv_smb1_set_message(result,8,0,true);
      40           0 :         SCVAL(result,smb_com,SMBlockingX);
      41           0 :         SSVAL(result,smb_tid,fsp->conn->cnum);
      42           0 :         SSVAL(result,smb_pid,0xFFFF);
      43           0 :         SSVAL(result,smb_uid,0);
      44           0 :         SSVAL(result,smb_mid,0xFFFF);
      45           0 :         SCVAL(result,smb_vwv0,0xFF);
      46           0 :         SSVAL(result,smb_vwv2,fsp->fnum);
      47           0 :         SCVAL(result,smb_vwv3,LOCKING_ANDX_OPLOCK_RELEASE);
      48           0 :         SCVAL(result,smb_vwv3+1,cmd);
      49           0 : }
      50             : 
      51           0 : void send_break_message_smb1(files_struct *fsp, int level)
      52             : {
      53           0 :         struct smbXsrv_connection *xconn = NULL;
      54             :         char break_msg[SMB1_BREAK_MESSAGE_LENGTH];
      55             : 
      56             :         /*
      57             :          * For SMB1 we only have one connection
      58             :          */
      59           0 :         xconn = fsp->conn->sconn->client->connections;
      60             : 
      61           0 :         new_break_message_smb1(fsp, level, break_msg);
      62             : 
      63           0 :         show_msg(break_msg);
      64           0 :         if (!smb1_srv_send(xconn,
      65             :                         break_msg, false, 0,
      66           0 :                         IS_CONN_ENCRYPTED(fsp->conn),
      67             :                         NULL)) {
      68           0 :                 exit_server_cleanly("send_break_message_smb1: "
      69             :                         "smb1_srv_send failed.");
      70             :         }
      71           0 : }