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/*
Unix SMB/CIFS implementation.
POSIX NTVFS backend - structure definitions
Copyright (C) Andrew Tridgell 2004
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _VFS_POSIX_H_
#define _VFS_POSIX_H_
/* this is the private structure for the posix vfs backend. It is used
to hold per-connection (per tree connect) state information */
struct pvfs_state {
struct smbsrv_tcon *tcon;
const char *base_directory;
const char *share_name;
uint_t flags;
struct {
/* a linked list of open searches */
struct pvfs_search_state *open_searches;
/* search handles are returned to the clients so they
can continue searches */
uint16_t next_search_handle;
/* count of active searches */
uint_t num_active_searches;
/* during trans2 search continuations we need to use
the initial search attributes */
uint16_t search_attrib;
} search;
struct pvfs_file *open_files;
};
/* this is the basic information needed about a file from the filesystem */
struct pvfs_dos_fileinfo {
NTTIME create_time;
NTTIME access_time;
NTTIME write_time;
NTTIME change_time;
uint32_t attrib;
uint64_t alloc_size;
uint32_t nlink;
uint32_t ea_size;
uint64_t file_id;
};
/*
this is the structure returned by pvfs_resolve_name(). It holds the posix details of
a filename passed by the client to any function
*/
struct pvfs_filename {
const char *original_name;
char *full_name;
const char *stream_name;
BOOL has_wildcard;
BOOL exists;
struct stat st;
struct pvfs_dos_fileinfo dos;
};
/* this holds a list of file names for a search. We deliberately do
not hold the file stat information here to minimise the memory
overhead of idle searches */
struct pvfs_dir {
uint_t count;
const char *unix_path;
const char **names;
};
/* the state of a search started with pvfs_search_first() */
struct pvfs_search_state {
struct pvfs_search_state *next, *prev;
uint16_t search_attrib;
uint16_t handle;
uint_t current_index;
struct pvfs_dir *dir;
};
/* open file state - this is a temporary implementation
to allow some tests to work */
struct pvfs_file {
struct pvfs_file *next, *prev;
int fd;
uint16_t fnum;
struct pvfs_filename *name;
};
/* flags to pvfs_resolve_name() */
#define PVFS_RESOLVE_NO_WILDCARD (1<<0)
#define PVFS_RESOLVE_STREAMS (1<<1)
/* flags in pvfs->flags */
#define PVFS_FLAG_CI_FILESYSTEM (1<<0) /* the filesystem is case insensitive */
#define PVFS_FLAG_MAP_ARCHIVE (1<<1)
#define PVFS_FLAG_MAP_SYSTEM (1<<2)
#define PVFS_FLAG_MAP_HIDDEN (1<<3)
#define PVFS_FLAG_READONLY (1<<4)
#endif /* _VFS_POSIX_H_ */
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