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NEX-1643 dtrace provider for smbsrv
Reviewed by: Evan Layton <evan.layton@nexenta.com>
Reviewed by: Matt Barden <matt.barden@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-49 Codenomicon error with SMB echo


   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 2010 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  *
  25  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
  26  */
  27 
  28 #include <smbsrv/smb_kproto.h>
  29 
  30 /*
  31  * The echo request is used to test the connection to the server,
  32  * and to see if the server is still responding.  The tid is ignored,
  33  * so this request may be sent to the server even if there are no
  34  * tree connections to the server.
  35  *
  36  * Each response echoes the data sent, though ByteCount may indicate
  37  * no data. If echo-count is zero, no response is sent.
  38  */
  39 smb_sdrc_t
  40 smb_pre_echo(smb_request_t *sr)
  41 {
  42         DTRACE_SMB_1(op__Echo__start, smb_request_t *, sr);
  43         return (SDRC_SUCCESS);
  44 }
  45 
  46 void
  47 smb_post_echo(smb_request_t *sr)
  48 {
  49         DTRACE_SMB_1(op__Echo__done, smb_request_t *, sr);
  50 }
  51 
  52 static unsigned short smb_max_echo = 10;
  53 
  54 smb_sdrc_t
  55 smb_com_echo(struct smb_request *sr)
  56 {
  57         unsigned short necho;
  58         unsigned short nbytes;
  59         unsigned short i;
  60         struct mbuf_chain reply;
  61         char *data;
  62         uint16_t        pid_hi, pid_lo;
  63 
  64         pid_hi = sr->smb_pid >> 16;
  65         pid_lo = (uint16_t)sr->smb_pid;
  66 
  67         if (smbsr_decode_vwv(sr, "w", &necho) != 0)
  68                 return (SDRC_ERROR);
  69 




   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 2010 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  *
  25  * Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
  26  */
  27 
  28 #include <smbsrv/smb_kproto.h>
  29 
  30 /*
  31  * The echo request is used to test the connection to the server,
  32  * and to see if the server is still responding.  The tid is ignored,
  33  * so this request may be sent to the server even if there are no
  34  * tree connections to the server.
  35  *
  36  * Each response echoes the data sent, though ByteCount may indicate
  37  * no data. If echo-count is zero, no response is sent.
  38  */
  39 smb_sdrc_t
  40 smb_pre_echo(smb_request_t *sr)
  41 {
  42         DTRACE_SMB_START(op__Echo, smb_request_t *, sr);
  43         return (SDRC_SUCCESS);
  44 }
  45 
  46 void
  47 smb_post_echo(smb_request_t *sr)
  48 {
  49         DTRACE_SMB_DONE(op__Echo, smb_request_t *, sr);
  50 }
  51 
  52 static unsigned short smb_max_echo = 10;
  53 
  54 smb_sdrc_t
  55 smb_com_echo(struct smb_request *sr)
  56 {
  57         unsigned short necho;
  58         unsigned short nbytes;
  59         unsigned short i;
  60         struct mbuf_chain reply;
  61         char *data;
  62         uint16_t        pid_hi, pid_lo;
  63 
  64         pid_hi = sr->smb_pid >> 16;
  65         pid_lo = (uint16_t)sr->smb_pid;
  66 
  67         if (smbsr_decode_vwv(sr, "w", &necho) != 0)
  68                 return (SDRC_ERROR);
  69