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NEX-4820 intended nbmand locking functionality is confused
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Reviewed by: Evan Layton <evan.layton@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
NEX-9808 SMB3 persistent handles
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Reviewed by: Evan Layton <evan.layton@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-9808 SMB3 persistent handles
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Reviewed by: Evan Layton <evan.layton@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>
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-72 Improve startup/shudown debug features
SMB-50 User-mode SMB server
 Includes work by these authors:
 Thomas Keiser <thomas.keiser@nexenta.com>
 Albert Lee <trisk@nexenta.com>


   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  23  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
  24  */
  25 
  26 #include <sys/types.h>
  27 #include <sys/ddi.h>
  28 #include <sys/modctl.h>
  29 #include <sys/cred.h>
  30 #include <sys/disp.h>
  31 #include <sys/ioccom.h>
  32 #include <sys/policy.h>
  33 #include <sys/cmn_err.h>
  34 #include <smbsrv/smb_kproto.h>
  35 #include <smbsrv/smb_ioctl.h>
  36 
  37 /*
  38  * *****************************************************************************
  39  * ****************************** Global Variables *****************************
  40  * *****************************************************************************
  41  *
  42  * These variables can only be changed through the /etc/system file.
  43  */
  44 
  45 /*
  46  * Maximum buffer size for NT: configurable based on the client environment.
  47  * IR104720 Experiments with Windows 2000 indicate that we achieve better
  48  * SmbWriteX performance with a buffer size of 64KB instead of the 37KB used
  49  * with Windows NT4.0. Previous experiments with NT4.0 resulted in directory
  50  * listing problems so this buffer size is configurable based on the end-user
  51  * environment. When in doubt use 37KB.
  52  *
  53  * smb_raw_mode: read_raw and write_raw supported (1) or NOT supported (0).
  54  */
  55 int     smb_maxbufsize = SMB_NT_MAXBUF;
  56 int     smb_oplock_levelII = 1;
  57 int     smb_oplock_timeout = OPLOCK_STD_TIMEOUT;
  58 int     smb_oplock_min_timeout = OPLOCK_MIN_TIMEOUT;
  59 int     smb_flush_required = 1;
  60 int     smb_dirsymlink_enable = 1;
  61 int     smb_sign_debug = 0;
  62 int     smb_raw_mode = 0;
  63 int     smb_shortnames = 1;
  64 uint_t  smb_audit_flags =
  65 #ifdef  DEBUG
  66     SMB_AUDIT_NODE;
  67 #else
  68     0;
  69 #endif
  70 
  71 /*











  72  * Maximum number of simultaneous authentication, share mapping, pipe open
  73  * requests to be processed.
  74  */
  75 int     smb_ssetup_threshold = 256;
  76 int     smb_tcon_threshold = 1024;
  77 int     smb_opipe_threshold = 1024;
  78 
  79 /*
  80  * Number of milliseconds that a request will be stalled if it comes in after
  81  * the maximum number of inflight operations are being proccessed.
  82  */
  83 int     smb_ssetup_timeout = (30 * 1000);
  84 int     smb_tcon_timeout = (30 * 1000);
  85 int     smb_opipe_timeout = (30 * 1000);
  86 
  87 int     smb_threshold_debug = 0;
  88 
  89 /*
  90  * Thread priorities used in smbsrv.  Our threads spend most of their time
  91  * blocked on various conditions.  However, if the system gets heavy load,


 119 
 120         if (g_init_done == 0) {
 121                 if ((rc = fksmbsrv_vfs_init()) != 0) {
 122                         cmn_err(CE_WARN, "fksmbsrv_vfs_init, rc=%d", rc);
 123                         return (rc);
 124                 }
 125                 if ((rc = smb_server_g_init()) != 0) {
 126                         cmn_err(CE_WARN, "smb_server_g_init, rc=%d", rc);
 127                         return (rc);
 128                 }
 129                 g_init_done = 1;
 130         }
 131 
 132         rc = smb_server_create();
 133         return (rc);
 134 }
 135 
 136 int
 137 fksmbsrv_drv_close(void)
 138 {

 139         int rc;
 140 
 141         rc = smb_server_delete();


 142 
 143         if (g_init_done != 0) {
 144                 smb_server_g_fini();
 145                 g_init_done = 0;
 146         }
 147 
 148         return (rc);
 149 }
 150 
 151 /*
 152  * This is the primary entry point into this library, called by
 153  * fksmbd (user-level debug version of smbsrv).
 154  */
 155 int
 156 fksmbsrv_drv_ioctl(int cmd, void *varg)
 157 {
 158         smb_ioc_t       *ioc = varg;
 159         int             rc = 0;
 160 
 161         switch (cmd) {




   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  23  * Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
  24  */
  25 
  26 #include <sys/types.h>
  27 #include <sys/ddi.h>
  28 #include <sys/modctl.h>
  29 #include <sys/cred.h>
  30 #include <sys/disp.h>
  31 #include <sys/ioccom.h>
  32 #include <sys/policy.h>
  33 #include <sys/cmn_err.h>
  34 #include <smbsrv/smb_kproto.h>
  35 #include <smbsrv/smb_ioctl.h>
  36 
  37 /*
  38  * *****************************************************************************
  39  * ****************************** Global Variables *****************************
  40  * *****************************************************************************
  41  *
  42  * These variables can only be changed through the /etc/system file.
  43  */
  44 
  45 /*
  46  * Maximum buffer size for NT: configurable based on the client environment.
  47  * IR104720 Experiments with Windows 2000 indicate that we achieve better
  48  * SmbWriteX performance with a buffer size of 64KB instead of the 37KB used
  49  * with Windows NT4.0. Previous experiments with NT4.0 resulted in directory
  50  * listing problems so this buffer size is configurable based on the end-user
  51  * environment. When in doubt use 37KB.


  52  */
  53 int     smb_maxbufsize = SMB_NT_MAXBUF;



  54 int     smb_flush_required = 1;
  55 int     smb_dirsymlink_enable = 1;
  56 int     smb_sign_debug = 0;

  57 int     smb_shortnames = 1;
  58 uint_t  smb_audit_flags =
  59 #ifdef  DEBUG
  60     SMB_AUDIT_NODE;
  61 #else
  62     0;
  63 #endif
  64 
  65 /*
  66  * We don't normally have nbmand support in the test share
  67  * used by fksmbd, but we'd still like the locking code
  68  * to be testable.  Intereactions with NFS etc. are not a
  69  * concern in fksmbd, so allow it to use advisory locks.
  70  *
  71  * Should fix the fksmbd test share so it supports nbmand,
  72  * and then set this to zero like the real server.
  73  */
  74 int smb_allow_advisory_locks = 1;       /* See smb_vops.c */
  75 
  76 /*
  77  * Maximum number of simultaneous authentication, share mapping, pipe open
  78  * requests to be processed.
  79  */
  80 int     smb_ssetup_threshold = 256;
  81 int     smb_tcon_threshold = 1024;
  82 int     smb_opipe_threshold = 1024;
  83 
  84 /*
  85  * Number of milliseconds that a request will be stalled if it comes in after
  86  * the maximum number of inflight operations are being proccessed.
  87  */
  88 int     smb_ssetup_timeout = (30 * 1000);
  89 int     smb_tcon_timeout = (30 * 1000);
  90 int     smb_opipe_timeout = (30 * 1000);
  91 
  92 int     smb_threshold_debug = 0;
  93 
  94 /*
  95  * Thread priorities used in smbsrv.  Our threads spend most of their time
  96  * blocked on various conditions.  However, if the system gets heavy load,


 124 
 125         if (g_init_done == 0) {
 126                 if ((rc = fksmbsrv_vfs_init()) != 0) {
 127                         cmn_err(CE_WARN, "fksmbsrv_vfs_init, rc=%d", rc);
 128                         return (rc);
 129                 }
 130                 if ((rc = smb_server_g_init()) != 0) {
 131                         cmn_err(CE_WARN, "smb_server_g_init, rc=%d", rc);
 132                         return (rc);
 133                 }
 134                 g_init_done = 1;
 135         }
 136 
 137         rc = smb_server_create();
 138         return (rc);
 139 }
 140 
 141 int
 142 fksmbsrv_drv_close(void)
 143 {
 144         smb_server_t *sv;
 145         int rc;
 146 
 147         rc = smb_server_lookup(&sv);
 148         if (rc == 0)
 149                 rc = smb_server_delete(sv);
 150 
 151         if (g_init_done != 0) {
 152                 smb_server_g_fini();
 153                 g_init_done = 0;
 154         }
 155 
 156         return (rc);
 157 }
 158 
 159 /*
 160  * This is the primary entry point into this library, called by
 161  * fksmbd (user-level debug version of smbsrv).
 162  */
 163 int
 164 fksmbsrv_drv_ioctl(int cmd, void *varg)
 165 {
 166         smb_ioc_t       *ioc = varg;
 167         int             rc = 0;
 168 
 169         switch (cmd) {