source4/ntvfs/posix/pvfs_ioctl.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    POSIX NTVFS backend - open and close
   5
   6    Copyright (C) Andrew Tridgell 2004
   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 "vfs_posix.h"
  24 #include "../libcli/smb/smb_constants.h"
  25
  26 /*
  27   old ioctl interface
  28 */
  29 static NTSTATUS pvfs_ioctl_old(struct ntvfs_module_context *ntvfs,
  30                         struct ntvfs_request *req, union smb_ioctl *io)
  31 {
  32         return NT_STATUS_DOS(ERRSRV, ERRerror);
  33 }
  34
  35 /*
  36   nt ioctl interface
  37 */
  38 static NTSTATUS pvfs_ntioctl(struct ntvfs_module_context *ntvfs,
  39                              struct ntvfs_request *req, union smb_ioctl *io)
  40 {
  41         struct pvfs_state *pvfs = talloc_get_type(ntvfs->private_data,
  42                                   struct pvfs_state);
  43         struct pvfs_file *f;
  44
  45         f = pvfs_find_fd(pvfs, req, io->ntioctl.in.file.ntvfs);
  46         if (!f) {
  47                 return NT_STATUS_INVALID_HANDLE;
  48         }
  49
  50         switch (io->ntioctl.in.function) {
  51         case FSCTL_SET_SPARSE:
  52                 /* maybe some posix systems have a way of marking
  53                    a file non-sparse? */
  54                 io->ntioctl.out.blob = data_blob(NULL, 0);
  55                 return NT_STATUS_OK;
  56         }
  57
  58         return NT_STATUS_NOT_SUPPORTED;
  59 }
  60
  61 /*
  62   ioctl interface
  63 */
  64 NTSTATUS pvfs_ioctl(struct ntvfs_module_context *ntvfs,
  65                     struct ntvfs_request *req,
  66                     union smb_ioctl *io)
  67 {
  68         switch (io->generic.level) {
  69         case RAW_IOCTL_IOCTL:
  70                 return pvfs_ioctl_old(ntvfs, req, io);
  71
  72         case RAW_IOCTL_NTIOCTL:
  73                 return pvfs_ntioctl(ntvfs, req, io);
  74
  75         case RAW_IOCTL_SMB2:
  76         case RAW_IOCTL_SMB2_NO_HANDLE:
  77                 /* see WSPP SMB2 test 46 */
  78                 return NT_STATUS_INVALID_DEVICE_REQUEST;
  79         }
  80
  81         return NT_STATUS_INVALID_LEVEL;
  82 }