12513 SMB 3.1.1 support for server

*** 19,28 ****
--- 19,29 ----
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
   * Copyright 2019 Nexenta by DDN, Inc. All rights reserved.
+  * Copyright 2020 RackTop Systems, Inc.
   */
  
  /*
   * Structures and type definitions for the SMB module.
   */
*** 886,895 ****
--- 887,897 ----
  #define SMB_SESSION_MAGIC       0x53455353      /* 'SESS' */
  #define SMB_SESSION_VALID(p)    \
      ASSERT(((p) != NULL) && ((p)->s_magic == SMB_SESSION_MAGIC))
  
  #define SMB_CHALLENGE_SZ        8
+ #define SMB3_PREAUTH_HASHVAL_SZ 64
  
  typedef enum {
          SMB_SESSION_STATE_INITIALIZED = 0,
          SMB_SESSION_STATE_DISCONNECTED,
          SMB_SESSION_STATE_CONNECTED,
*** 936,945 ****
--- 938,948 ----
          uint32_t                srv_cap;
  
          struct smb_sign         signing;        /* SMB1 */
          void                    *sign_mech;     /* mechanism info */
          void                    *enc_mech;
+         void                    *preauth_mech;
  
          /* SMB2/SMB3 signing support */
          int                     (*sign_calc)(struct smb_request *,
                                          struct mbuf_chain *, uint8_t *);
          void                    (*sign_fini)(struct smb_session *);
*** 974,983 ****
--- 977,992 ----
          int                     reply_max_bytes;
          uint16_t                smb_msg_size;
          uint16_t                smb_max_mpx;
          smb_srqueue_t           *s_srqueue;
          uint64_t                start_time;
+ 
+         uint16_t                smb31_enc_cipherid;
+         uint16_t                smb31_preauth_hashid;
+         uint8_t                 smb31_preauth_hashval[SMB3_PREAUTH_HASHVAL_SZ];
+         uint8_t                 smb31_preauth_salt[32];
+ 
          unsigned char           MAC_key[44];
          char                    ip_addr_str[INET6_ADDRSTRLEN];
          uint8_t                 clnt_uuid[16];
          char                    workstation[SMB_PI_MAX_HOST];
  } smb_session_t;