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/*
* ProFTPD - FTP server daemon
* Copyright (c) 1997, 1998 Public Flood Software
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
/* ProFTPD virtual/modular filesystem support.
* $Id: fs.h,v 1.2 1999/09/07 23:29:07 macgyver Exp $
*/
#ifndef _VIRTUAL_FS_H
#define _VIRTUAL_FS_H
/* Operation codes */
#define FSOP_STAT (1 << 0)
#define FSOP_LSTAT (1 << 1)
#define FSOP_RENAME (1 << 2)
#define FSOP_UNLINK (1 << 3)
#define FSOP_OPEN (1 << 4)
#define FSOP_CREAT (1 << 5)
#define FSOP_CLOSE (1 << 6)
#define FSOP_READ (1 << 7)
#define FSOP_WRITE (1 << 8)
#define FSOP_LINK (1 << 9)
#define FSOP_SYMLINK (1 << 10)
#define FSOP_READLINK (1 << 11)
#define FSOP_CHMOD (1 << 12)
#define FSOP_CHOWN (1 << 13)
#define FSOP_CHDIR (1 << 14)
#define FSOP_OPENDIR (1 << 15)
#define FSOP_CLOSEDIR (1 << 16)
#define FSOP_READDIR (1 << 17)
#define FSOP_FILEMASK (FSOP_OPEN|FSOP_READ|FSOP_WRITE|FSOP_CLOSE|\
FSOP_CREAT)
typedef struct fs_dir_handler fsdir_t;
typedef struct fs_dir_match fsmatch_t;
struct fs_dir_match {
fsmatch_t *next;
char *name;
int opmask;
int (*dir_hit)(fsdir_t*,const char*,int);
int (*file_hit)(fsdir_t*,const char*,int);
};
struct fs_dir_handler {
fsdir_t *next;
char *name;
fsdir_t *parent; /* parent handlers */
void *private;
/* actual handler functions */
int (*stat)(fsdir_t*,const char*,struct stat*);
int (*lstat)(fsdir_t*,const char*,struct stat*);
int (*rename)(fsdir_t*,const char*,const char*);
int (*unlink)(fsdir_t*,const char*);
int (*open)(fsdir_t*,const char*,int);
int (*creat)(fsdir_t*,const char*,mode_t);
int (*close)(fsdir_t*,int);
int (*read)(fsdir_t*,int,char*,size_t);
int (*write)(fsdir_t*,int,const char*,size_t);
off_t (*lseek)(fsdir_t*,int,off_t,int);
int (*link)(fsdir_t*,const char*,const char*);
int (*symlink)(fsdir_t*,const char*,const char*);
int (*readlink)(fsdir_t*,const char*,char*,size_t);
int (*chmod)(fsdir_t*,const char*,mode_t);
int (*chown)(fsdir_t*,const char*,uid_t,gid_t);
/* for actual operations on the directory (or subdirs)
* we cast the return from opendir to DIR* in src/fs.c, so
* modules can use their own data type
*/
int (*chdir)(fsdir_t*,const char*);
void *(*opendir)(fsdir_t*,const char*);
int (*closedir)(fsdir_t*,void*);
struct dirent *(*readdir)(fsdir_t*,void*);
};
/* prototypes */
fsmatch_t *fs_register_match(char*,int);
fsdir_t *fs_register(char*);
void fs_unregister(fsdir_t*);
fsdir_t *fs_lookup_dir(const char *,int);
fsdir_t *fs_lookup_file(const char *,char **,int);
fsdir_t *fs_lookup_file_canon(const char *,char**,int);
void fs_setcwd(const char *);
const char *fs_getcwd();
const char *fs_getvwd();
void fs_dircat(char *,int,const char *, const char *);
int fs_interpolate(const char *,char *,int);
int fs_resolve_partial(const char *,char *,int,int);
int fs_resolve_path(const char *,char *,int,int);
void fs_virtual_path(const char *,char *,int);
void fs_clean_path(const char *,char *,int);
int fs_stat(const char *,struct stat *);
int fs_stat_canon(const char *,struct stat *);
int fs_lstat(const char *,struct stat *);
int fs_lstat_canon(const char *,struct stat *);
int fs_readlink(const char *, char *, int);
int fs_readlink_canon(const char *,char *,int);
int fs_chdir(const char *,int);
int fs_chdir_canon(const char *, int);
void *fs_opendir(const char *);
int fs_closedir(void*);
struct dirent *fs_readdir(void*);
int fs_glob(const char*,int,int (*errfunc)(const char *,int),glob_t*);
void fs_globfree(glob_t*);
int fs_rename(const char*,const char*);
int fs_rename_canon(const char*,const char*);
int fs_unlink(const char*);
int fs_unlink_canon(const char*);
fsdir_t *fs_open(const char*,int,int*);
fsdir_t *fs_open_canon(const char*,int,int*);
fsdir_t *fs_creat(const char*,mode_t,int*);
fsdir_t *fs_creat_canon(const char*,mode_t,int*);
int fs_close(fsdir_t*,int);
int fs_read(fsdir_t*,int,char*,size_t);
int fs_write(fsdir_t*,int,const char*,size_t);
int fs_link(const char*,const char*);
int fs_link_canon(const char*,const char*);
int fs_symlink(const char*,const char*);
int fs_symlink_canon(const char*,const char*);
int fs_chmod(const char*,mode_t);
int fs_chmod_canon(const char*,mode_t);
int fs_chown(const char*,uid_t,gid_t);
int fs_chown_canon(const char*,uid_t,gid_t);
off_t fs_lseek(fsdir_t *, int fd, off_t, int whence);
char *fs_gets(char *, size_t, fsdir_t*, int);
int init_fs();
#endif /* _VIRTUAL_FS_H */
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