#ifndef _VFS_POSIX_H_
#define _VFS_POSIX_H_
+#include "librpc/gen_ndr/xattr.h"
+#include "system/filesys.h"
+#include "smb_server/smb_server.h"
+#include "ntvfs/ntvfs.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;
+ struct ntvfs_module_context *ntvfs;
const char *base_directory;
+ struct GUID *base_fs_uuid;
const char *share_name;
uint_t flags;
struct brl_context *brl_context;
struct odb_context *odb_context;
+ struct sidmap_context *sidmap;
/* an id tree mapping open search ID to a pvfs_search_state structure */
- void *idtree_search;
+ struct idr_context *idtree_search;
/* an id tree mapping open file handle -> struct pvfs_file */
- void *idtree_fnum;
-};
+ struct idr_context *idtree_fnum;
+
+ /* a list of pending async requests. Needed to support
+ ntcancel */
+ struct pvfs_wait *wait_list;
+
+ /* the sharing violation timeout */
+ uint_t sharing_violation_delay;
+
+ /* filesystem attributes (see FS_ATTR_*) */
+ uint32_t fs_attribs;
+
+ /* if posix:eadb is set, then this gets setup */
+ struct tdb_wrap *ea_db;
+ /* the allocation size rounding */
+ uint32_t alloc_size_rounding;
+
+ /* how long to keep inactive searches around for */
+ uint_t search_inactivity_time;
+
+ /* used to accelerate acl mapping */
+ struct {
+ const struct dom_sid *creator_owner;
+ const struct dom_sid *creator_group;
+ } sid_cache;
+};
/* this is the basic information needed about a file from the filesystem */
struct pvfs_dos_fileinfo {
uint32_t nlink;
uint32_t ea_size;
uint64_t file_id;
+ uint32_t flags;
};
/*
struct pvfs_filename {
const char *original_name;
char *full_name;
- const char *stream_name;
+ const char *stream_name; /* does not include :$DATA suffix */
+ uint32_t stream_id; /* this uses a hash, so is probabilistic */
BOOL has_wildcard;
- BOOL exists;
+ BOOL exists; /* true if the base filename exists */
+ BOOL stream_exists; /* true if the stream 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;
-};
+/* open file handle state - encapsulates the posix fd
-/* the state of a search started with pvfs_search_first() */
-struct pvfs_search_state {
+ Note that this is separated from the pvfs_file structure in order
+ to cope with the openx DENY_DOS semantics where a 2nd DENY_DOS open
+ on the same connection gets the same low level filesystem handle,
+ rather than a new handle
+*/
+struct pvfs_file_handle {
+ int fd;
+
+ struct pvfs_filename *name;
+
+ /* a unique file key to be used for open file locking */
+ DATA_BLOB odb_locking_key;
+
+ /* a unique file key to be used for byte range locking */
+ DATA_BLOB brl_locking_key;
+
+ uint32_t create_options;
+
+ /* this is set by the mode_information level. What does it do? */
+ uint32_t mode;
+
+ /* yes, we need 2 independent positions ... */
+ uint64_t seek_offset;
+ uint64_t position;
+
+ BOOL have_opendb_entry;
+
+ /* we need this hook back to our parent for lock destruction */
struct pvfs_state *pvfs;
- uint16_t handle;
- uint_t current_index;
- uint16_t search_attrib;
- struct pvfs_dir *dir;
+
+ /* have we set a sticky write time that we should remove on close */
+ BOOL sticky_write_time;
};
-/* open file state - this is a temporary implementation
- to allow some tests to work */
+/* open file state */
struct pvfs_file {
struct pvfs_file *next, *prev;
- int fd;
+ struct pvfs_file_handle *handle;
uint16_t fnum;
- struct pvfs_filename *name;
+
+ struct pvfs_state *pvfs;
+
+ uint32_t impersonation;
+ uint32_t share_access;
+ uint32_t access_mask;
/* we need to remember the session it was opened on,
as it is illegal to operate on someone elses fnum */
opened the file so SMBexit works */
uint16_t smbpid;
- /* a unique file key to be used for file locking */
- DATA_BLOB locking_key;
-
- /* we need this hook back to our parent for lock destruction */
- struct pvfs_state *pvfs;
-
/* a list of pending locks - used for locking cancel operations */
struct pvfs_pending_lock *pending_list;
};
-struct pvfs_mangle_context {
- uint8_t char_flags[256];
- /*
- this determines how many characters are used from the original
- filename in the 8.3 mangled name. A larger value leads to a weaker
- hash and more collisions. The largest possible value is 6.
- */
- int mangle_prefix;
- uint32_t mangle_modulus;
-
- /* we will use a very simple direct mapped prefix cache. The big
- advantage of this cache structure is speed and low memory usage
-
- The cache is indexed by the low-order bits of the hash, and confirmed by
- hashing the resulting cache entry to match the known hash
- */
- char **prefix_cache;
- uint32_t *prefix_cache_hashes;
-
- /* this is used to reverse the base 36 mapping */
- unsigned char base_reverse[256];
-};
-
-
-
/* flags to pvfs_resolve_name() */
-#define PVFS_RESOLVE_NO_WILDCARD (1<<0)
+#define PVFS_RESOLVE_WILDCARD (1<<0)
#define PVFS_RESOLVE_STREAMS (1<<1)
/* flags in pvfs->flags */
#define PVFS_FLAG_READONLY (1<<4)
#define PVFS_FLAG_STRICT_SYNC (1<<5)
#define PVFS_FLAG_STRICT_LOCKING (1<<6)
+#define PVFS_FLAG_XATTR_ENABLE (1<<7)
+#define PVFS_FLAG_FAKE_OPLOCKS (1<<8)
+
+/* forward declare some anonymous structures */
+struct pvfs_dir;
+
+/* types of notification for pvfs wait events */
+enum pvfs_wait_notice {PVFS_WAIT_EVENT, PVFS_WAIT_TIMEOUT, PVFS_WAIT_CANCEL};
+
+#include "ntvfs/posix/vfs_posix_proto.h"
#endif /* _VFS_POSIX_H_ */
git.samba.org / kai / samba-autobuild / .git / blobdiff