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         126 : void new_break_message_smb1(files_struct *fsp, int cmd,
      36             :                             char result[SMB1_BREAK_MESSAGE_LENGTH])
      37             : {
      38         126 :         memset(result,'\0',smb_size);
      39         126 :         srv_smb1_set_message(result,8,0,true);
      40         126 :         SCVAL(result,smb_com,SMBlockingX);
      41         126 :         SSVAL(result,smb_tid,fsp->conn->cnum);
      42         126 :         SSVAL(result,smb_pid,0xFFFF);
      43         126 :         SSVAL(result,smb_uid,0);
      44         126 :         SSVAL(result,smb_mid,0xFFFF);
      45         126 :         SCVAL(result,smb_vwv0,0xFF);
      46         126 :         SSVAL(result,smb_vwv2,fsp->fnum);
      47         126 :         SCVAL(result,smb_vwv3,LOCKING_ANDX_OPLOCK_RELEASE);
      48         126 :         SCVAL(result,smb_vwv3+1,cmd);
      49         126 : }
      50             : 
      51         126 : void send_break_message_smb1(files_struct *fsp, int level)
      52             : {
      53         126 :         struct smbXsrv_connection *xconn = NULL;
      54           0 :         char break_msg[SMB1_BREAK_MESSAGE_LENGTH];
      55             : 
      56             :         /*
      57             :          * For SMB1 we only have one connection
      58             :          */
      59         126 :         xconn = fsp->conn->sconn->client->connections;
      60             : 
      61         126 :         new_break_message_smb1(fsp, level, break_msg);
      62             : 
      63         126 :         show_msg(break_msg);
      64         126 :         if (!smb1_srv_send(xconn,
      65             :                            break_msg,
      66             :                            false,
      67             :                            0,
      68         126 :                            IS_CONN_ENCRYPTED(fsp->conn))) {
      69           0 :                 exit_server_cleanly("send_break_message_smb1: "
      70             :                         "smb1_srv_send failed.");
      71             :         }
      72         126 : }