source3/libsmb/clierror.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    client error handling routines
   4    Copyright (C) Andrew Tridgell 1994-1998
   5    Copyright (C) Jelmer Vernooij 2003
   6    Copyright (C) Jeremy Allison 2006
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "libsmb/libsmb.h"
  24 #include "../libcli/smb/smbXcli_base.h"
  25
  26 int cli_status_to_errno(NTSTATUS status)
  27 {
  28         int err;
  29
  30         if (NT_STATUS_IS_DOS(status)) {
  31                 uint8_t eclass = NT_STATUS_DOS_CLASS(status);
  32                 uint32_t ecode = NT_STATUS_DOS_CODE(status);
  33                 status = dos_to_ntstatus(eclass, ecode);
  34         }
  35
  36         if (NT_STATUS_EQUAL(status, NT_STATUS_STOPPED_ON_SYMLINK)) {
  37                 /*
  38                  * Legacy code from cli_errno, see Samba up to 4.13: A
  39                  * special case for this Vista error. Since its
  40                  * high-order byte isn't 0xc0, it won't match
  41                  * correctly in map_errno_from_nt_status().
  42                  */
  43                 err = EACCES;
  44         } else {
  45                 err = map_errno_from_nt_status(status);
  46         }
  47
  48         DBG_NOTICE("0x%"PRIx32" -> %d\n", NT_STATUS_V(status), err);
  49
  50         return err;
  51 }
  52
  53 bool cli_state_is_connected(struct cli_state *cli)
  54 {
  55         if (cli == NULL) {
  56                 return false;
  57         }
  58
  59         if (!cli->initialised) {
  60                 return false;
  61         }
  62
  63         return smbXcli_conn_is_connected(cli->conn);
  64 }