libcli/smb/smb2_lease.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    SMB2 Lease context handling
   5
   6    Copyright (C) Stefan Metzmacher 2012
   7    Copyright (C) Volker Lendecke 2013
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #ifndef _LIBCLI_SMB_SMB2_LEASE_H_
  24 #define _LIBCLI_SMB_SMB2_LEASE_H_
  25
  26 /*
  27   SMB2 lease structure (per MS-SMB2 2.2.13)
  28 */
  29 struct smb2_lease_key {
  30         uint64_t data[2];
  31 };
  32
  33 struct smb2_lease {
  34         struct smb2_lease_key lease_key;
  35         uint32_t lease_state;
  36         uint32_t lease_flags;
  37         uint64_t lease_duration; /* should be 0 */
  38         /* only for v2 */
  39         struct smb2_lease_key parent_lease_key;
  40         uint16_t lease_epoch;
  41 };
  42
  43 /*
  44  * Parse a smb2 lease create context. Return -1 on error, buffer.length on
  45  * success. V1 and V2 differ only by length of buffer.length
  46  */
  47 ssize_t smb2_lease_pull(const uint8_t *buf, size_t len,
  48                         struct smb2_lease *lease);
  49 bool smb2_lease_push(const struct smb2_lease *lease, uint8_t *buf, size_t len);
  50
  51 #endif /* _LIBCLI_SMB_SMB2_LEASE_H_ */