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NEX-6276 SMB sparse file support
Reviewed by: Kevin Crowe <kevin.crowe@nexenta.com>
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Reviewed by: Evan Layton <evan.layton@nexenta.com>
NEX-2604 Windows Explorer Stops Working / Crashes when Security Tab is accessed
NEX-2593 SMB2: unable to create folder with long filename on 4.0.3
NEX-2442 regression with smbtorture test raw.sfileinfo.rename
SMB-11 SMB2 message parse & dispatch
SMB-12 SMB2 Negotiate Protocol
SMB-13 SMB2 Session Setup
SMB-14 SMB2 Logoff
SMB-15 SMB2 Tree Connect
SMB-16 SMB2 Tree Disconnect
SMB-17 SMB2 Create
SMB-18 SMB2 Close
SMB-19 SMB2 Flush
SMB-20 SMB2 Read
SMB-21 SMB2 Write
SMB-22 SMB2 Lock/Unlock
SMB-23 SMB2 Ioctl
SMB-24 SMB2 Cancel
SMB-25 SMB2 Echo
SMB-26 SMB2 Query Dir
SMB-27 SMB2 Change Notify
SMB-28 SMB2 Query Info
SMB-29 SMB2 Set Info
SMB-30 SMB2 Oplocks
SMB-53 SMB2 Create Context options
(SMB2 code review cleanup 1, 2, 3)
   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11 
  12 /*
  13  * Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
  14  */
  15 
  16 /*
  17  * Dispatch function for SMB2_SET_INFO
  18  *
  19  * [MS-FSCC 2.4] If a file system does not support ...
  20  * an Information Classs, NT_STATUS_INVALID_PARAMETER...
  21  */
  22 
  23 #include <smbsrv/smb2_kproto.h>
  24 #include <smbsrv/smb_fsops.h>
  25 #include <smbsrv/ntifs.h>
  26 
  27 static uint32_t smb2_setf_rename(smb_request_t *, smb_setinfo_t *);
  28 static uint32_t smb2_setf_link(smb_request_t *, smb_setinfo_t *);
  29 
  30 static uint32_t smb2_setf_seek(smb_request_t *, smb_setinfo_t *);
  31 static uint32_t smb2_setf_full_ea(smb_request_t *, smb_setinfo_t *);
  32 static uint32_t smb2_setf_mode(smb_request_t *, smb_setinfo_t *);
  33 


 246                 status = NT_STATUS_INVALID_PARAMETER;
 247         }
 248 
 249         return (status);
 250 }
 251 
 252 /*
 253  * FileValidDataLengthInformation
 254  */
 255 /* ARGSUSED */
 256 static uint32_t
 257 smb2_setf_valid_len(smb_request_t *sr, smb_setinfo_t *si)
 258 {
 259         smb_ofile_t *of = sr->fid_ofile;
 260         uint64_t eod;
 261         int rc;
 262 
 263         if (smb_mbc_decodef(&si->si_data, "q", &eod) != 0)
 264                 return (NT_STATUS_INFO_LENGTH_MISMATCH);
 265 
 266         rc = smb_fsop_set_data_length(sr, of->f_cr, of->f_node, eod);




 267         if (rc != 0)
 268                 return (smb_errno2status(rc));
 269 
 270         return (0);
 271 }
 272 
 273 /*
 274  * FileShortNameInformation
 275  *      We can (optionally) support supply short names,
 276  *      but you can't change them.
 277  */
 278 static uint32_t
 279 smb2_setf_shortname(smb_request_t *sr, smb_setinfo_t *si)
 280 {
 281         _NOTE(ARGUNUSED(si))
 282         smb_ofile_t *of = sr->fid_ofile;
 283 
 284         if (of->f_ftype != SMB_FTYPE_DISK)
 285                 return (NT_STATUS_INVALID_PARAMETER);
 286         if ((of->f_tree->t_flags & SMB_TREE_SHORTNAMES) == 0)

   1 /*
   2  * This file and its contents are supplied under the terms of the
   3  * Common Development and Distribution License ("CDDL"), version 1.0.
   4  * You may only use this file in accordance with the terms of version
   5  * 1.0 of the CDDL.
   6  *
   7  * A full copy of the text of the CDDL should have accompanied this
   8  * source.  A copy of the CDDL is also available via the Internet at
   9  * http://www.illumos.org/license/CDDL.
  10  */
  11 
  12 /*
  13  * Copyright 2016 Nexenta Systems, Inc.  All rights reserved.
  14  */
  15 
  16 /*
  17  * Dispatch function for SMB2_SET_INFO
  18  *
  19  * [MS-FSCC 2.4] If a file system does not support ...
  20  * an Information Classs, NT_STATUS_INVALID_PARAMETER...
  21  */
  22 
  23 #include <smbsrv/smb2_kproto.h>
  24 #include <smbsrv/smb_fsops.h>
  25 #include <smbsrv/ntifs.h>
  26 
  27 static uint32_t smb2_setf_rename(smb_request_t *, smb_setinfo_t *);
  28 static uint32_t smb2_setf_link(smb_request_t *, smb_setinfo_t *);
  29 
  30 static uint32_t smb2_setf_seek(smb_request_t *, smb_setinfo_t *);
  31 static uint32_t smb2_setf_full_ea(smb_request_t *, smb_setinfo_t *);
  32 static uint32_t smb2_setf_mode(smb_request_t *, smb_setinfo_t *);
  33 


 246                 status = NT_STATUS_INVALID_PARAMETER;
 247         }
 248 
 249         return (status);
 250 }
 251 
 252 /*
 253  * FileValidDataLengthInformation
 254  */
 255 /* ARGSUSED */
 256 static uint32_t
 257 smb2_setf_valid_len(smb_request_t *sr, smb_setinfo_t *si)
 258 {
 259         smb_ofile_t *of = sr->fid_ofile;
 260         uint64_t eod;
 261         int rc;
 262 
 263         if (smb_mbc_decodef(&si->si_data, "q", &eod) != 0)
 264                 return (NT_STATUS_INFO_LENGTH_MISMATCH);
 265 
 266         /*
 267          * Zero out data from EoD to end of file.
 268          * (Passing len=0 covers to end of file)
 269          */
 270         rc = smb_fsop_freesp(sr, of->f_cr, of, eod, 0);
 271         if (rc != 0)
 272                 return (smb_errno2status(rc));
 273 
 274         return (0);
 275 }
 276 
 277 /*
 278  * FileShortNameInformation
 279  *      We can (optionally) support supply short names,
 280  *      but you can't change them.
 281  */
 282 static uint32_t
 283 smb2_setf_shortname(smb_request_t *sr, smb_setinfo_t *si)
 284 {
 285         _NOTE(ARGUNUSED(si))
 286         smb_ofile_t *of = sr->fid_ofile;
 287 
 288         if (of->f_ftype != SMB_FTYPE_DISK)
 289                 return (NT_STATUS_INVALID_PARAMETER);
 290         if ((of->f_tree->t_flags & SMB_TREE_SHORTNAMES) == 0)