Line data    Source code

       1             : /*
       2             :    Unix SMB/CIFS implementation.
       3             : 
       4             :    shadow copy file operations
       5             : 
       6             :    Copyright (C) Andrew Tridgell 2007
       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 "libcli/raw/libcliraw.h"
      24             : #include "libcli/raw/raw_proto.h"
      25             : #include "../libcli/smb/smb_constants.h"
      26             : 
      27             : /*
      28             :    get shadow volume data
      29             : */
      30           2 : _PUBLIC_ NTSTATUS smb_raw_shadow_data(struct smbcli_tree *tree,
      31             :                                       TALLOC_CTX *mem_ctx, struct smb_shadow_copy *info)
      32             : {
      33           0 :         union smb_ioctl nt;
      34           0 :         NTSTATUS status;
      35           0 :         DATA_BLOB blob;
      36           0 :         uint32_t dlength;
      37           0 :         int i;
      38           0 :         uint32_t ofs;
      39             : 
      40           2 :         nt.ntioctl.level        = RAW_IOCTL_NTIOCTL;
      41           2 :         nt.ntioctl.in.function  = FSCTL_GET_SHADOW_COPY_DATA;
      42           2 :         nt.ntioctl.in.file.fnum = info->in.file.fnum;
      43           2 :         nt.ntioctl.in.fsctl     = true;
      44           2 :         nt.ntioctl.in.filter    = 0;
      45           2 :         nt.ntioctl.in.max_data  = info->in.max_data;
      46           2 :         nt.ntioctl.in.blob      = data_blob(NULL, 0);
      47             : 
      48           2 :         status = smb_raw_ioctl(tree, mem_ctx, &nt);
      49           2 :         if (!NT_STATUS_IS_OK(status)) {
      50           2 :                 return status;
      51             :         }
      52             : 
      53           0 :         blob = nt.ntioctl.out.blob;
      54             : 
      55           0 :         if (blob.length < 12) {
      56           0 :                 return NT_STATUS_INVALID_NETWORK_RESPONSE;
      57             :         }
      58             : 
      59           0 :         info->out.num_volumes = IVAL(blob.data, 0);
      60           0 :         info->out.num_names   = IVAL(blob.data, 4);
      61           0 :         dlength               = IVAL(blob.data, 8);
      62           0 :         if (dlength > blob.length - 12) {
      63           0 :                 return NT_STATUS_INVALID_NETWORK_RESPONSE;
      64             :         }
      65             : 
      66           0 :         info->out.names = talloc_array(mem_ctx, const char *, info->out.num_names);
      67           0 :         NT_STATUS_HAVE_NO_MEMORY(info->out.names);
      68             : 
      69           0 :         ofs = 12;
      70           0 :         for (i=0;i<info->out.num_names;i++) {
      71           0 :                 size_t len;
      72           0 :                 len = smbcli_blob_pull_ucs2(info->out.names,
      73           0 :                                       &blob, &info->out.names[i],
      74           0 :                                       blob.data+ofs, -1, STR_TERMINATE);
      75           0 :                 if (len == 0) {
      76           0 :                         return NT_STATUS_INVALID_NETWORK_RESPONSE;
      77             :                 }
      78           0 :                 ofs += len;
      79             :         }
      80             : 
      81           0 :         return status;
      82             : }