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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2019 Nexenta by DDN, Inc. All rights reserved.
* Copyright 2022 RackTop Systems, Inc.
*/
/*
* Dispatch function for SMB2_SET_INFO
*
* [MS-FSCC 2.4] If a file system does not support ...
* an Information Classs, NT_STATUS_INVALID_PARAMETER...
*/
#include <smbsrv/smb2_kproto.h>
#include <smbsrv/smb_fsops.h>
#include <smbsrv/ntifs.h>
static uint32_t smb2_setf_rename(smb_request_t *, smb_setinfo_t *);
static uint32_t smb2_setf_link(smb_request_t *, smb_setinfo_t *);
static uint32_t smb2_setf_seek(smb_request_t *, smb_setinfo_t *);
static uint32_t smb2_setf_full_ea(smb_request_t *, smb_setinfo_t *);
static uint32_t smb2_setf_mode(smb_request_t *, smb_setinfo_t *);
static uint32_t smb2_setf_pipe(smb_request_t *, smb_setinfo_t *);
static uint32_t smb2_setf_valid_len(smb_request_t *, smb_setinfo_t *);
static uint32_t smb2_setf_shortname(smb_request_t *, smb_setinfo_t *);
uint32_t
smb2_setinfo_file(smb_request_t *sr, smb_setinfo_t *si, int InfoClass)
{
smb_ofile_t *of = sr->fid_ofile;
uint32_t status;
si->si_node = of->f_node;
/* Most info levels need a disk file */
switch (of->f_ftype) {
case SMB_FTYPE_DISK:
case SMB_FTYPE_PRINTER:
break;
case SMB_FTYPE_BYTE_PIPE:
case SMB_FTYPE_MESG_PIPE:
if (InfoClass != FilePipeInformation)
return (NT_STATUS_INVALID_PARAMETER);
break;
default:
return (NT_STATUS_INTERNAL_ERROR);
break;
}
switch (InfoClass) {
case FileBasicInformation: /* 4 */
status = smb_set_basic_info(sr, si);
break;
case FileRenameInformation: /* 10 */
status = smb2_setf_rename(sr, si);
break;
case FileLinkInformation: /* 11 */
status = smb2_setf_link(sr, si);
break;
case FileDispositionInformation: /* 13 */
status = smb_set_disposition_info(sr, si);
break;
case FilePositionInformation: /* 14 */
status = smb2_setf_seek(sr, si);
break;
case FileFullEaInformation: /* 15 */
status = smb2_setf_full_ea(sr, si);
break;
case FileModeInformation: /* 16 */
status = smb2_setf_mode(sr, si);
break;
case FileAllocationInformation: /* 19 */
status = smb_set_alloc_info(sr, si);
break;
case FileEndOfFileInformation: /* 20 */
status = smb_set_eof_info(sr, si);
break;
case FilePipeInformation: /* 23 */
status = smb2_setf_pipe(sr, si);
break;
case FileValidDataLengthInformation: /* 39 */
status = smb2_setf_valid_len(sr, si);
break;
case FileShortNameInformation: /* 40 */
status = smb2_setf_shortname(sr, si);
break;
default:
status = NT_STATUS_INVALID_INFO_CLASS;
break;
}
return (status);
}
/*
* FileRenameInformation
* See also: smb_set_rename_info()
*/
static uint32_t
smb2_setf_rename(smb_request_t *sr, smb_setinfo_t *si)
{
char *fname;
uint8_t flags;
uint64_t rootdir;
uint32_t namelen;
uint32_t status = 0;
int rc;
rc = smb_mbc_decodef(&si->si_data, "b7.ql",
&flags, &rootdir, &namelen);
if (rc == 0) {
rc = smb_mbc_decodef(&si->si_data, "%#U",
sr, namelen, &fname);
}
if (rc != 0)
return (NT_STATUS_INFO_LENGTH_MISMATCH);
if ((rootdir != 0) || (namelen == 0) || (namelen >= SMB_MAXPATHLEN)) {
return (NT_STATUS_INVALID_PARAMETER);
}
status = smb_setinfo_rename(sr, si->si_node, fname, flags);
return (status);
}
/*
* FileLinkInformation
*/
static uint32_t
smb2_setf_link(smb_request_t *sr, smb_setinfo_t *si)
{
char *fname;
uint8_t flags;
uint64_t rootdir;
uint32_t namelen;
uint32_t status = 0;
int rc;
rc = smb_mbc_decodef(&si->si_data, "b7.ql",
&flags, &rootdir, &namelen);
if (rc == 0) {
rc = smb_mbc_decodef(&si->si_data, "%#U",
sr, namelen, &fname);
}
if (rc != 0)
return (NT_STATUS_INFO_LENGTH_MISMATCH);
if ((rootdir != 0) || (namelen == 0) || (namelen >= SMB_MAXPATHLEN)) {
return (NT_STATUS_INVALID_PARAMETER);
}
status = smb_setinfo_link(sr, si->si_node, fname, flags);
return (status);
}
/*
* FilePositionInformation
*/
static uint32_t
smb2_setf_seek(smb_request_t *sr, smb_setinfo_t *si)
{
smb_ofile_t *of = sr->fid_ofile;
uint64_t newoff;
if (smb_mbc_decodef(&si->si_data, "q", &newoff) != 0)
return (NT_STATUS_INFO_LENGTH_MISMATCH);
ASSERT(of->f_magic == SMB_OFILE_MAGIC);
mutex_enter(&of->f_mutex);
of->f_seek_pos = newoff;
mutex_exit(&of->f_mutex);
return (0);
}
/*
* FileFullEaInformation
* We could put EAs in a named stream...
*/
/* ARGSUSED */
static uint32_t
smb2_setf_full_ea(smb_request_t *sr, smb_setinfo_t *si)
{
return (NT_STATUS_EAS_NOT_SUPPORTED);
}
/*
* FileModeInformation [MS-FSCC 2.4.24]
* FILE_WRITE_THROUGH
* FILE_SEQUENTIAL_ONLY
* FILE_NO_INTERMEDIATE_BUFFERING
* etc.
*/
static uint32_t
smb2_setf_mode(smb_request_t *sr, smb_setinfo_t *si)
{
_NOTE(ARGUNUSED(sr))
uint32_t Mode;
if (smb_mbc_decodef(&si->si_data, "l", &Mode) != 0)
return (NT_STATUS_INFO_LENGTH_MISMATCH);
#if 0 /* XXX - todo */
if (Mode & FILE_WRITE_THROUGH) {
/* store this in the ofile */
}
#endif
return (NT_STATUS_SUCCESS);
}
/*
* FilePipeInformation
*/
static uint32_t
smb2_setf_pipe(smb_request_t *sr, smb_setinfo_t *si)
{
_NOTE(ARGUNUSED(si))
smb_ofile_t *of = sr->fid_ofile;
uint32_t ReadMode;
uint32_t CompletionMode;
uint32_t status;
if (smb_mbc_decodef(&si->si_data, "ll",
&ReadMode, &CompletionMode) != 0)
return (NT_STATUS_INFO_LENGTH_MISMATCH);
switch (of->f_ftype) {
case SMB_FTYPE_BYTE_PIPE:
case SMB_FTYPE_MESG_PIPE:
/*
* XXX: Do we need to actually do anything with
* ReadMode or CompletionMode? If so, (later)
* store these in the opipe object.
*
* See also: smb2_sif_pipe()
*/
status = 0;
break;
case SMB_FTYPE_DISK:
case SMB_FTYPE_PRINTER:
default:
status = NT_STATUS_INVALID_PARAMETER;
}
return (status);
}
/*
* FileValidDataLengthInformation
*/
/* ARGSUSED */
static uint32_t
smb2_setf_valid_len(smb_request_t *sr, smb_setinfo_t *si)
{
smb_ofile_t *of = sr->fid_ofile;
uint64_t eod;
int rc;
if (smb_mbc_decodef(&si->si_data, "q", &eod) != 0)
return (NT_STATUS_INFO_LENGTH_MISMATCH);
/*
* Zero out data from EoD to end of file.
* (Passing len=0 covers to end of file)
*/
rc = smb_fsop_freesp(sr, of->f_cr, of, eod, 0);
if (rc != 0)
return (smb_errno2status(rc));
return (0);
}
/*
* FileShortNameInformation
* We can (optionally) support supply short names,
* but you can't change them.
*/
static uint32_t
smb2_setf_shortname(smb_request_t *sr, smb_setinfo_t *si)
{
_NOTE(ARGUNUSED(si))
smb_ofile_t *of = sr->fid_ofile;
if (of->f_ftype != SMB_FTYPE_DISK)
return (NT_STATUS_INVALID_PARAMETER);
if ((of->f_tree->t_flags & SMB_TREE_SHORTNAMES) == 0)
return (NT_STATUS_SHORT_NAMES_NOT_ENABLED_ON_VOLUME);
return (NT_STATUS_ACCESS_DENIED);
}
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