1575 untangle libmlrpc from SMB server
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Reviewed by: Evan Layton <evan.layton@nexenta.com>
Reviewed by: Toomas Soome <tsoome@me.com>
Approved by: Richard Lowe <richlowe@richlowe.net>
NEX-2667 Wrong error when join domain with wrong password
Reviewed by: Kevin Crowe <kevin.crowe@nexenta.com>
Reviewed by: Bayard Bell <bayard.bell@nexenta.com>
NEX-2225 Unable to join NexentaStor to 2008 AD
re #12435 rb3958 r10 is added 2 times to panic info
re #12393 rb3935 Kerberos and smbd disagree about who is our AD server

*** 189,198 ****
--- 189,202 ----
  
          ndr_rpc_release(netr_handle);
          return (0);
  }
  
+ uint32_t netr_server_auth2_flags =
+     NETR_NEGOTIATE_BASE_FLAGS |
+     NETR_NEGOTIATE_STRONGKEY_FLAG;
+ 
  /*
   * netr_server_authenticate2
   */
  static int
  netr_server_authenticate2(mlsvc_handle_t *netr_handle, netr_info_t *netr_info)
*** 214,227 ****
  
          arg.servername = (unsigned char *)netr_info->server;
          arg.account_name = (unsigned char *)account_name;
          arg.account_type = NETR_WKSTA_TRUST_ACCOUNT_TYPE;
          arg.hostname = (unsigned char *)netr_info->hostname;
!         arg.negotiate_flags = NETR_NEGOTIATE_BASE_FLAGS;
  
!         if (ndr_rpc_server_os(netr_handle) == NATIVE_OS_WIN2000) {
!                 arg.negotiate_flags |= NETR_NEGOTIATE_STRONGKEY_FLAG;
                  if (netr_gen_skey128(netr_info) != SMBAUTH_SUCCESS)
                          return (-1);
          } else {
                  if (netr_gen_skey64(netr_info) != SMBAUTH_SUCCESS)
                          return (-1);
--- 218,230 ----
  
          arg.servername = (unsigned char *)netr_info->server;
          arg.account_name = (unsigned char *)account_name;
          arg.account_type = NETR_WKSTA_TRUST_ACCOUNT_TYPE;
          arg.hostname = (unsigned char *)netr_info->hostname;
!         arg.negotiate_flags = netr_server_auth2_flags;
  
!         if (arg.negotiate_flags & NETR_NEGOTIATE_STRONGKEY_FLAG) {
                  if (netr_gen_skey128(netr_info) != SMBAUTH_SUCCESS)
                          return (-1);
          } else {
                  if (netr_gen_skey64(netr_info) != SMBAUTH_SUCCESS)
                          return (-1);