xrdp/sesman/chansrv/chansrv_fuse.h

127 lines
4.2 KiB
C

/**
* xrdp: A Remote Desktop Protocol server.
*
* Copyright (C) Laxmikant Rashinkar 2013 LK.Rashinkar@gmail.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _CHANSRV_FUSE_H
#define _CHANSRV_FUSE_H
#include <sys/types.h>
#include <time.h>
#include "arch.h"
#include "ms-erref.h"
/* Used to pass file info back to chansrv_fuse from devredir */
struct file_attr
{
tui32 mode; /* File mode. */
off_t size; /* Size of file, in bytes. */
time_t atime; /* Time of last access. */
time_t mtime; /* Time of last modification. */
};
/* Bitmask values used to identify individual elements in
* struct file_attr
*/
#define TO_SET_MODE (1<<0)
#define TO_SET_SIZE (1<<1)
#define TO_SET_ATIME (1<<2)
#define TO_SET_MTIME (1<<3)
#define TO_SET_ALL (TO_SET_MODE | TO_SET_SIZE | TO_SET_ATIME | TO_SET_MTIME)
/* Private type passed into and back-from devredir */
typedef struct xfuse_info XFUSE_INFO;
int xfuse_init(void);
int xfuse_deinit(void);
int xfuse_check_wait_objs(void);
int xfuse_get_wait_objs(tbus *objs, int *count, int *timeout);
int xfuse_create_share(tui32 share_id, const char *dirname);
void xfuse_delete_share(tui32 share_id);
int xfuse_clear_clip_dir(void);
int xfuse_file_contents_range(int stream_id, const char *data, int data_bytes);
int xfuse_file_contents_size(int stream_id, int file_size);
int xfuse_add_clip_dir_item(const char *filename,
int flags, int size, int lindex);
/* State pointer types (opaque outside this module), used for
* callback data
*/
struct state_dirscan;
struct state_lookup;
struct state_setattr;
struct state_open;
struct state_create;
struct state_read;
struct state_write;
struct state_remove;
struct state_rename;
struct state_close;
/* functions that are invoked from devredir */
void xfuse_devredir_cb_enum_dir_add_entry(
struct state_dirscan *fip,
const char *name,
const struct file_attr *fattr);
void xfuse_devredir_cb_enum_dir_done(struct state_dirscan *fip,
enum NTSTATUS IoStatus);
void xfuse_devredir_cb_lookup_entry(struct state_lookup *fip,
enum NTSTATUS IoStatus,
const struct file_attr *file_info);
void xfuse_devredir_cb_setattr(struct state_setattr *fip,
enum NTSTATUS IoStatus);
void xfuse_devredir_cb_create_file(struct state_create *fip,
enum NTSTATUS IoStatus,
tui32 DeviceId, tui32 FileId);
void xfuse_devredir_cb_open_file(struct state_open *fip,
enum NTSTATUS IoStatus,
tui32 DeviceId, tui32 FileId);
void xfuse_devredir_cb_read_file(struct state_read *fip,
enum NTSTATUS IoStatus,
const char *buf, size_t length);
void xfuse_devredir_cb_write_file(
struct state_write *fip,
enum NTSTATUS IoStatus,
off_t offset,
size_t length);
void xfuse_devredir_cb_rmdir_or_file(struct state_remove *fip,
enum NTSTATUS IoStatus);
void xfuse_devredir_cb_rename_file(struct state_rename *fip,
enum NTSTATUS IoStatus);
void xfuse_devredir_cb_file_close(struct state_close *fip);
/*
* Returns true if a filesystem path lies in the FUSE filesystem
*
* Use to prevent deadlocks. For example, if chansrv tries to open
* a file in the FUSE filesystem it will fail, as it will call back
* into itself to handle the I/O
*/
int xfuse_path_in_xfuse_fs(const char *path);
#endif