release/src/router/samba3/source/include/smb_share_modes.h

   1 /*
   2    Samba share mode database library.
   3
   4    Copyright (C) Jeremy Allison 2005.
   5
   6    This library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2 of the License, or (at your option) any later version.
  10
  11    This library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with this library; if not, write to the Free Software
  18    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20
  21 #ifndef _SMB_SHARE_MODES_H_
  22 #define _SMB_STATE_MODES_H_
  23
  24 #ifdef __cplusplus
  25 extern "C" {
  26 #endif
  27
  28 #if HAVE_INTTYPES_H
  29 # include <inttypes.h>
  30 #else
  31 # if HAVE_STDINT_H
  32 #  include <stdint.h>
  33 # endif
  34 #endif
  35
  36 #include "tdb.h"
  37
  38 /* Database context handle. */
  39 struct smbdb_ctx {
  40         TDB_CONTEXT *smb_tdb;
  41 };
  42
  43 /* Share mode entry. */
  44 /*
  45  We use 64 bit types for device and inode as
  46  we don't know what size mode Samba has been
  47  compiled in - dev/ino may be 32, may be 64
  48  bits. This interface copes with either.
  49 */
  50
  51 struct smb_share_mode_entry {
  52         uint64_t dev;
  53         uint64_t ino;
  54         uint32_t share_access;
  55         uint32_t access_mask;
  56         struct timeval open_time;
  57         uint32_t file_id;
  58         struct process_id pid;
  59 };
  60
  61 /*
  62  * open/close sharemode database.
  63  */
  64
  65 struct smbdb_ctx *smb_share_mode_db_open(const char *db_path);
  66 int smb_share_mode_db_close(struct smbdb_ctx *db_ctx);
  67
  68 /*
  69  * lock/unlock entry in sharemode database.
  70  */
  71
  72 int smb_lock_share_mode_entry(struct smbdb_ctx *db_ctx,
  73                                 uint64_t dev,
  74                                 uint64_t ino);
  75
  76 int smb_unlock_share_mode_entry(struct smbdb_ctx *db_ctx,
  77                                 uint64_t dev,
  78                                 uint64_t ino);
  79
  80 /*
  81  * Share mode database accessor functions.
  82  */
  83
  84 int smb_get_share_mode_entries(struct smbdb_ctx *db_ctx,
  85                                 uint64_t dev,
  86                                 uint64_t ino,
  87                                 struct smb_share_mode_entry **pp_list,
  88                                 unsigned char *p_delete_on_close);
  89
  90 int smb_create_share_mode_entry(struct smbdb_ctx *db_ctx,
  91                                 uint64_t dev,
  92                                 uint64_t ino,
  93                                 const struct smb_share_mode_entry *set_entry,
  94                                 const char *path);
  95
  96 int smb_delete_share_mode_entry(struct smbdb_ctx *db_ctx,
  97                                 uint64_t dev,
  98                                 uint64_t ino,
  99                                 const struct smb_share_mode_entry *set_entry);
 100
 101 int smb_change_share_mode_entry(struct smbdb_ctx *db_ctx,
 102                                 uint64_t dev,
 103                                 uint64_t ino,
 104                                 const struct smb_share_mode_entry *set_entry,
 105                                 const struct smb_share_mode_entry *new_entry);
 106
 107 #ifdef __cplusplus
 108 }
 109 #endif
 110 #endif