2 Unix SMB/CIFS implementation.
3 VFS structures and parameters
4 Copyright (C) Tim Potter 1999
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program 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
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 /* Avoid conflict with an AIX include file */
31 * As we're now (thanks Andrew ! :-) using file_structs and connection
32 * structs in the vfs - then anyone writing a vfs must include includes.h...
36 * This next constant specifies the version number of the VFS interface
37 * this smbd will load. Increment this if *ANY* changes are made to the
41 /* Changed to version 2 for CIFS UNIX extensions (mknod and link added). JRA. */
42 #define SMB_VFS_INTERFACE_VERSION 2
44 /* VFS operations structure */
46 struct connection_struct;
48 struct security_descriptor_info;
54 int (*connect)(struct connection_struct *conn, const char *service, const char *user);
55 void (*disconnect)(struct connection_struct *conn);
56 SMB_BIG_UINT (*disk_free)(struct connection_struct *conn, const char *path, BOOL small_query, SMB_BIG_UINT *bsize,
57 SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize);
59 /* Directory operations */
61 DIR *(*opendir)(struct connection_struct *conn, const char *fname);
62 struct dirent *(*readdir)(struct connection_struct *conn, DIR *dirp);
63 int (*mkdir)(struct connection_struct *conn, const char *path, mode_t mode);
64 int (*rmdir)(struct connection_struct *conn, const char *path);
65 int (*closedir)(struct connection_struct *conn, DIR *dir);
69 int (*open)(struct connection_struct *conn, const char *fname, int flags, mode_t mode);
70 int (*close)(struct files_struct *fsp, int fd);
71 ssize_t (*read)(struct files_struct *fsp, int fd, void *data, size_t n);
72 ssize_t (*write)(struct files_struct *fsp, int fd, const void *data, size_t n);
73 SMB_OFF_T (*lseek)(struct files_struct *fsp, int filedes, SMB_OFF_T offset, int whence);
74 int (*rename)(struct connection_struct *conn, const char *old, const char *new);
75 int (*fsync)(struct files_struct *fsp, int fd);
76 int (*stat)(struct connection_struct *conn, const char *fname, SMB_STRUCT_STAT *sbuf);
77 int (*fstat)(struct files_struct *fsp, int fd, SMB_STRUCT_STAT *sbuf);
78 int (*lstat)(struct connection_struct *conn, const char *path, SMB_STRUCT_STAT *sbuf);
79 int (*unlink)(struct connection_struct *conn, const char *path);
80 int (*chmod)(struct connection_struct *conn, const char *path, mode_t mode);
81 int (*fchmod)(struct files_struct *fsp, int fd, mode_t mode);
82 int (*chown)(struct connection_struct *conn, const char *path, uid_t uid, gid_t gid);
83 int (*fchown)(struct files_struct *fsp, int fd, uid_t uid, gid_t gid);
84 int (*chdir)(struct connection_struct *conn, const char *path);
85 char *(*getwd)(struct connection_struct *conn, char *buf);
86 int (*utime)(struct connection_struct *conn, const char *path, struct utimbuf *times);
87 int (*ftruncate)(struct files_struct *fsp, int fd, SMB_OFF_T offset);
88 BOOL (*lock)(struct files_struct *fsp, int fd, int op, SMB_OFF_T offset, SMB_OFF_T count, int type);
89 int (*symlink)(struct connection_struct *conn, const char *oldpath, const char *newpath);
90 int (*readlink)(struct connection_struct *conn, const char *path, char *buf, size_t bufsiz);
91 int (*link)(struct connection_struct *conn, const char *oldpath, const char *newpath);
92 int (*mknod)(struct connection_struct *conn, const char *path, mode_t mode, SMB_DEV_T dev);
94 /* NT ACL operations. */
96 size_t (*fget_nt_acl)(struct files_struct *fsp, int fd, struct security_descriptor_info **ppdesc);
97 size_t (*get_nt_acl)(struct files_struct *fsp, const char *name, struct security_descriptor_info **ppdesc);
98 BOOL (*fset_nt_acl)(struct files_struct *fsp, int fd, uint32 security_info_sent, struct security_descriptor_info *psd);
99 BOOL (*set_nt_acl)(struct files_struct *fsp, const char *name, uint32 security_info_sent, struct security_descriptor_info *psd);
101 /* POSIX ACL operations. */
103 int (*chmod_acl)(struct connection_struct *conn, const char *name, mode_t mode);
104 int (*fchmod_acl)(struct files_struct *fsp, int fd, mode_t mode);
109 struct vfs_options *prev, *next;