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NEX-5665 SMB2 oplock leases
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Reviewed by: Evan Layton <evan.layton@nexenta.com>
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
NEX-5665 SMB2 oplock leases
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Reviewed by: Evan Layton <evan.layton@nexenta.com>
Reviewed by: Roman Strashkin <roman.strashkin@nexenta.com>
NEX-14982 smbtorture raw tests fail after NEX-4538
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Reviewed by: Evan Layton <evan.layton@nexenta.com>
corrects:
NEX-4538 SMB1 create file should support extended_response format
NEX-1643 dtrace provider for smbsrv
Reviewed by: Evan Layton <evan.layton@nexenta.com>
Reviewed by: Matt Barden <matt.barden@nexenta.com>
NEX-4538 SMB1 create file should support extended_response format (2)
NEX-6116 Failures in smbtorture raw.open
Reviewed by: Evan Layton <evan.layton@nexenta.com>
Reviewed by: Kevin Crowe <kevin.crowe@nexenta.com>
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Include this commit if upstreaming/backporting any of:
NEX-4540 SMB server declines EA support incorrectly
NEX-4239 smbtorture create failures re. allocation size
(illumos) 6398 SMB should support path names longer than 1024
NEX-4909 SMB1: getting "RPC struct is bad" trying to mkdir on OS X
Reviewed by: Alek Pinchuk <alek.pinchuk@nexenta.com>
Reviewed by: Rick McNeal <rick.mcneal@nexenta.com>
NEX-4538 SMB1 create file should support extended_response format
Reviewed by: Matt Barden <Matt.Barden@nexenta.com>
Reviewed by: Bayard Bell <bayard.bell@nexenta.com>
SMB-115 Support SMB path names with length > 1024
SMB-100 Internal error if filename is too long
Approved by: Gordon Ross <gwr@nexenta.com>
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)
SMB-63 taskq_create_proc ... TQ_DYNAMIC puts tasks in p0
re #11974 CIFS Share - Tree connect fails from Windows 7 Clients
SUS-172 Excel 2003 warning dialog when re-saving a file
SUS-173 Open fails if the client does not ask for read_attribute permission
re #14152 Race between ipmi_submit_driver_request() and kcs_loop() (sync with illumos fix 3902)
SMB-46 File handle leaks exposed by mtime fixes (rm 7815)
re #7815 SMB server delivers old modification time...
@@ -18,11 +18,11 @@
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright 2014 Nexenta Systems, Inc. All rights reserved.
+ * Copyright 2017 Nexenta Systems, Inc. All rights reserved.
*/
/*
* This command is used to create or open a file or directory.
*/
@@ -30,10 +30,12 @@
#include <smbsrv/smb_kproto.h>
#include <smbsrv/smb_fsops.h>
#include <smbsrv/smb_vops.h>
+int smb_nt_create_enable_extended_response = 1;
+
/*
* smb_com_nt_create_andx
*
* This command is used to create or open a file or directory.
*
@@ -208,37 +210,51 @@
op->op_oplock_level = SMB_OPLOCK_BATCH;
else
op->op_oplock_level = SMB_OPLOCK_EXCLUSIVE;
}
- DTRACE_SMB_2(op__NtCreateX__start, smb_request_t *, sr,
- struct open_param *, op);
+ DTRACE_SMB_START(op__NtCreateX, smb_request_t *, sr); /* arg.open */
return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
}
void
smb_post_nt_create_andx(smb_request_t *sr)
{
- DTRACE_SMB_1(op__NtCreateX__done, smb_request_t *, sr);
+ DTRACE_SMB_DONE(op__NtCreateX, smb_request_t *, sr);
if (sr->arg.open.dir != NULL) {
smb_ofile_release(sr->arg.open.dir);
sr->arg.open.dir = NULL;
}
}
+/*
+ * A lot like smb_nt_transact_create
+ */
smb_sdrc_t
smb_com_nt_create_andx(struct smb_request *sr)
{
struct open_param *op = &sr->arg.open;
smb_attr_t *ap = &op->fqi.fq_fattr;
smb_ofile_t *of;
int rc;
- unsigned char DirFlag;
+ uint8_t DirFlag;
uint32_t status;
+ if (op->create_options & ~SMB_NTCREATE_VALID_OPTIONS) {
+ smbsr_error(sr, NT_STATUS_INVALID_PARAMETER,
+ ERRDOS, ERROR_INVALID_PARAMETER);
+ return (SDRC_ERROR);
+ }
+
+ if (op->create_options & FILE_OPEN_BY_FILE_ID) {
+ smbsr_error(sr, NT_STATUS_NOT_SUPPORTED,
+ ERRDOS, ERROR_NOT_SUPPORTED);
+ return (SDRC_ERROR);
+ }
+
if ((op->create_options & FILE_DELETE_ON_CLOSE) &&
!(op->desired_access & DELETE)) {
smbsr_error(sr, NT_STATUS_INVALID_PARAMETER,
ERRDOS, ERRbadaccess);
return (SDRC_ERROR);
@@ -272,17 +288,19 @@
return (SDRC_ERROR);
}
op->fqi.fq_dnode = op->dir->f_node;
}
- op->op_oplock_levelII = B_TRUE;
-
status = smb_common_open(sr);
if (status != NT_STATUS_SUCCESS) {
smbsr_status(sr, status, 0, 0);
return (SDRC_ERROR);
}
+ if (op->op_oplock_level != SMB_OPLOCK_NONE) {
+ /* Oplock req. in op->op_oplock_level etc. */
+ smb1_oplock_acquire(sr, B_TRUE);
+ }
/*
* NB: after the above smb_common_open() success,
* we have a handle allocated (sr->fid_ofile).
* If we don't return success, we must close it.
@@ -291,59 +309,100 @@
switch (sr->tid_tree->t_res_type & STYPE_MASK) {
case STYPE_DISKTREE:
case STYPE_PRINTQ:
if (op->create_options & FILE_DELETE_ON_CLOSE)
- smb_ofile_set_delete_on_close(of);
-
+ smb_ofile_set_delete_on_close(sr, of);
DirFlag = smb_node_is_dir(of->f_node) ? 1 : 0;
- rc = smbsr_encode_result(sr, 34, 0, "bb.wbwlTTTTlqqwwbw",
- 34,
- sr->andx_com,
- 0x67,
- op->op_oplock_level,
- sr->smb_fid,
- op->action_taken,
- &ap->sa_crtime,
- &ap->sa_vattr.va_atime,
- &ap->sa_vattr.va_mtime,
- &ap->sa_vattr.va_ctime,
- op->dattr & FILE_ATTRIBUTE_MASK,
- ap->sa_allocsz,
- ap->sa_vattr.va_size,
- op->ftype,
- op->devstate,
- DirFlag,
- 0);
break;
case STYPE_IPC:
- rc = smbsr_encode_result(sr, 34, 0, "bb.wbwlqqqqlqqwwbw",
- 34,
- sr->andx_com,
- 0x67,
- 0,
- sr->smb_fid,
- op->action_taken,
- 0LL,
- 0LL,
- 0LL,
- 0LL,
- FILE_ATTRIBUTE_NORMAL,
- 0x1000LL,
- 0LL,
- op->ftype,
- op->devstate,
- 0,
- 0);
+ DirFlag = 0;
break;
default:
smbsr_error(sr, NT_STATUS_INVALID_DEVICE_REQUEST,
ERRDOS, ERROR_INVALID_FUNCTION);
goto errout;
}
+
+ if ((op->nt_flags & NT_CREATE_FLAG_EXTENDED_RESPONSE) != 0 &&
+ smb_nt_create_enable_extended_response != 0) {
+ uint32_t MaxAccess = 0;
+ if (of->f_node != NULL) {
+ smb_fsop_eaccess(sr, of->f_cr, of->f_node, &MaxAccess);
+ }
+ MaxAccess |= of->f_granted_access;
+
+ /*
+ * Here is a really ugly protocol wart in SMB1:
+ *
+ * [MS-SMB] Sec. 2.2.4.9.2: Windows-based SMB servers
+ * send 50 (0x32) words in the extended response although
+ * they set the WordCount field to 0x2A.
+ *
+ * In other words, THEY LIE! We really do need to encode
+ * 50 words here, but lie and say we encoded 42 words.
+ * This means we can't use smbsr_encode_result() to
+ * build this response, because the rules it breaks
+ * would cause errors in smbsr_check_result().
+ *
+ * And that's not all (it gets worse...)
+ * Because of the bogus word count, some clients will
+ * read the byte count from within what should be the
+ * fileid field below. Leave that zero, like Win7.
+ *
+ * Apparently the only really useful thing in this
+ * extended response is MaxAccess.
+ */
+ sr->smb_wct = 50; /* real word count */
+ sr->smb_bcc = 0;
+ rc = smb_mbc_encodef(&sr->reply,
+ "bb.wbwlTTTTlqqwwb16.qllw",
+ 42, /* fake word count (b) */
+ sr->andx_com, /* (b.) */
+ 0x87, /* andx offset (w) */
+ op->op_oplock_level, /* (b) */
+ sr->smb_fid, /* (w) */
+ op->action_taken, /* (l) */
+ &ap->sa_crtime, /* (T) */
+ &ap->sa_vattr.va_atime, /* (T) */
+ &ap->sa_vattr.va_mtime, /* (T) */
+ &ap->sa_vattr.va_ctime, /* (T) */
+ op->dattr & FILE_ATTRIBUTE_MASK, /* (l) */
+ ap->sa_allocsz, /* (q) */
+ ap->sa_vattr.va_size, /* (q) */
+ op->ftype, /* (w) */
+ op->devstate, /* (w) */
+ DirFlag, /* (b) */
+ /* volume guid (16.) */
+ 0, /* file ID (see above) (q) */
+ MaxAccess, /* (l) */
+ 0, /* guest access (l) */
+ 0); /* byte count (w) */
+ } else {
+ rc = smbsr_encode_result(
+ sr, 34, 0, "bb.wbwlTTTTlqqwwbw",
+ 34, /* word count (b) */
+ sr->andx_com, /* (b.) */
+ 0x67, /* andx offset (w) */
+ op->op_oplock_level, /* (b) */
+ sr->smb_fid, /* (w) */
+ op->action_taken, /* (l) */
+ &ap->sa_crtime, /* (T) */
+ &ap->sa_vattr.va_atime, /* (T) */
+ &ap->sa_vattr.va_mtime, /* (T) */
+ &ap->sa_vattr.va_ctime, /* (T) */
+ op->dattr & FILE_ATTRIBUTE_MASK, /* (l) */
+ ap->sa_allocsz, /* (q) */
+ ap->sa_vattr.va_size, /* (q) */
+ op->ftype, /* (w) */
+ op->devstate, /* (w) */
+ DirFlag, /* (b) */
+ 0); /* byte count (w) */
+ }
+
if (rc == 0)
return (SDRC_SUCCESS);
errout:
smb_ofile_close(of, 0);