samba-mirror/examples/VFS/skel_opaque.c

/* 
 * Skeleton VFS module.  Implements passthrough operation of all VFS
 * calls to disk functions.
 *
 * Copyright (C) Tim Potter, 1999-2000
 * Copyright (C) Alexander Bokovoy, 2002
 * Copyright (C) Stefan (metze) Metzmacher, 2003
 *
 * 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.
 */


#include "includes.h"

/* PLEASE,PLEASE READ THE VFS MODULES CHAPTER OF THE 
   SAMBA DEVELOPERS GUIDE!!!!!!
 */

/* If you take this file as template for your module
 * please make sure that you remove all vfswrap_* functions and 
 * implement your own function!!
 *
 * for functions you didn't want to provide implement dummy functions
 * witch return ERROR and errno = ENOSYS; !
 *
 * --metze
 */

static int skel_connect(vfs_handle_struct *handle, connection_struct *conn, const char *service, const char *user)    
{
	return 0;
}

static void skel_disconnect(vfs_handle_struct *handle, connection_struct *conn)
{
	return;
}

static SMB_BIG_UINT skel_disk_free(vfs_handle_struct *handle, connection_struct *conn, const char *path,
	BOOL small_query, SMB_BIG_UINT *bsize,
	SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
{
	return vfswrap_disk_free(NULL, conn, path, small_query, bsize, 
					 dfree, dsize);
}

static int skel_get_quota(vfs_handle_struct *handle, connection_struct *conn, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dq)
{
	return vfswrap_get_quota(NULL, conn, qtype, id, dq);
}

static int skel_set_quota(vfs_handle_struct *handle, connection_struct *conn, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dq)
{
	return vfswrap_set_quota(NULL, conn, qtype, id, dq);
}

static DIR *skel_opendir(vfs_handle_struct *handle, connection_struct *conn, const char *fname)
{
	return vfswrap_opendir(NULL, conn, fname);
}

static struct dirent *skel_readdir(vfs_handle_struct *handle, connection_struct *conn, DIR *dirp)
{
	return vfswrap_readdir(NULL, conn, dirp);
}

static int skel_mkdir(vfs_handle_struct *handle, connection_struct *conn, const char *path, mode_t mode)
{
	return vfswrap_mkdir(NULL, conn, path, mode);
}

static int skel_rmdir(vfs_handle_struct *handle, connection_struct *conn, const char *path)
{
	return vfswrap_rmdir(NULL, conn, path);
}

static int skel_closedir(vfs_handle_struct *handle, connection_struct *conn, DIR *dir)
{
	return vfswrap_closedir(NULL, conn, dir);
}

static int skel_open(vfs_handle_struct *handle, connection_struct *conn, const char *fname, int flags, mode_t mode)
{
	return vfswrap_open(NULL, conn, fname, flags, mode);
}

static int skel_close(vfs_handle_struct *handle, files_struct *fsp, int fd)
{
	return vfswrap_close(NULL, fsp, fd);
}

static ssize_t skel_read(vfs_handle_struct *handle, files_struct *fsp, int fd, void *data, size_t n)
{
	return vfswrap_read(NULL, fsp, fd, data, n);
}

static ssize_t skel_write(vfs_handle_struct *handle, files_struct *fsp, int fd, const void *data, size_t n)
{
	return vfswrap_write(NULL, fsp, fd, data, n);
}

static SMB_OFF_T skel_lseek(vfs_handle_struct *handle, files_struct *fsp, int filedes, SMB_OFF_T offset, int whence)
{
	return vfswrap_lseek(NULL, fsp, filedes, offset, whence);
}

static int skel_rename(vfs_handle_struct *handle, connection_struct *conn, const char *old, const char *new)
{
	return vfswrap_rename(NULL, conn, old, new);
}

static int skel_fsync(vfs_handle_struct *handle, files_struct *fsp, int fd)
{
	return vfswrap_fsync(NULL, fsp, fd);
}

static int skel_stat(vfs_handle_struct *handle, connection_struct *conn, const char *fname, SMB_STRUCT_STAT *sbuf)
{
	return vfswrap_stat(NULL, conn, fname, sbuf);
}

static int skel_fstat(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_STRUCT_STAT *sbuf)
{
	return vfswrap_fstat(NULL, fsp, fd, sbuf);
}

static int skel_lstat(vfs_handle_struct *handle, connection_struct *conn, const char *path, SMB_STRUCT_STAT *sbuf)
{
	return vfswrap_lstat(NULL, conn, path, sbuf);
}

static int skel_unlink(vfs_handle_struct *handle, connection_struct *conn, const char *path)
{
	return vfswrap_unlink(NULL, conn, path);
}

static int skel_chmod(vfs_handle_struct *handle, connection_struct *conn, const char *path, mode_t mode)
{
	return vfswrap_chmod(NULL, conn, path, mode);
}

static int skel_fchmod(vfs_handle_struct *handle, files_struct *fsp, int fd, mode_t mode)
{
	return vfswrap_fchmod(NULL, fsp, fd, mode);
}

static int skel_chown(vfs_handle_struct *handle, connection_struct *conn, const char *path, uid_t uid, gid_t gid)
{
	return vfswrap_chown(NULL, conn, path, uid, gid);
}

static int skel_fchown(vfs_handle_struct *handle, files_struct *fsp, int fd, uid_t uid, gid_t gid)
{
	return vfswrap_fchown(NULL, fsp, fd, uid, gid);
}

static int skel_chdir(vfs_handle_struct *handle, connection_struct *conn, const char *path)
{
	return vfswrap_chdir(NULL, conn, path);
}

static char *skel_getwd(vfs_handle_struct *handle, connection_struct *conn, char *buf)
{
	return vfswrap_getwd(NULL, conn, buf);
}

static int skel_utime(vfs_handle_struct *handle, connection_struct *conn, const char *path, struct utimbuf *times)
{
	return vfswrap_utime(NULL, conn, path, times);
}

static int skel_ftruncate(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_OFF_T offset)
{
	return vfswrap_ftruncate(NULL, fsp, fd, offset);
}

static BOOL skel_lock(vfs_handle_struct *handle, files_struct *fsp, int fd, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
{
	return vfswrap_lock(NULL, fsp, fd, op, offset, count, type);
}

static BOOL skel_symlink(vfs_handle_struct *handle, connection_struct *conn, const char *oldpath, const char *newpath)
{
	return vfswrap_symlink(NULL, conn, oldpath, newpath);
}

static BOOL skel_readlink(vfs_handle_struct *handle, connection_struct *conn, const char *path, char *buf, size_t bufsiz)
{
	return vfswrap_readlink(NULL, conn, path, buf, bufsiz);
}

static int skel_link(vfs_handle_struct *handle, connection_struct *conn, const char *oldpath, const char *newpath)
{
	return vfswrap_link(NULL, conn, oldpath, newpath);
}

static int skel_mknod(vfs_handle_struct *handle, connection_struct *conn, const char *path, mode_t mode, SMB_DEV_T dev)
{
	return vfswrap_mknod(NULL, conn, path, mode, dev);
}

static char *skel_realpath(vfs_handle_struct *handle, connection_struct *conn, const char *path, char *resolved_path)
{
	return vfswrap_realpath(NULL, conn, path, resolved_path);
}

static size_t skel_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, uint32 security_info, struct security_descriptor_info **ppdesc)
{
	errno = ENOSYS;
	return 0;
}

static size_t skel_get_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info, struct security_descriptor_info **ppdesc)
{
	errno = ENOSYS;
	return 0;
}

static BOOL skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, uint32 security_info_sent, struct security_descriptor_info *psd)
{
	errno = ENOSYS;
	return False;
}

static BOOL skel_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info_sent, struct security_descriptor_info *psd)
{
	errno = ENOSYS;
	return False;
}

static int skel_chmod_acl(vfs_handle_struct *handle, connection_struct *conn, const char *name, mode_t mode)
{
	errno = ENOSYS;
	return -1;
}

static int skel_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, mode_t mode)
{
	errno = ENOSYS;
	return -1;
}

static int skel_sys_acl_get_entry(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
{
	errno = ENOSYS;
	return -1;
}

static int skel_sys_acl_get_tag_type(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
{
	errno = ENOSYS;
	return -1;
}

static int skel_sys_acl_get_permset(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
{
	errno = ENOSYS;
	return -1;
}

static void *skel_sys_acl_get_qualifier(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_ENTRY_T entry_d)
{
	errno = ENOSYS;
	return NULL;
}

static SMB_ACL_T skel_sys_acl_get_file(vfs_handle_struct *handle, connection_struct *conn, const char *path_p, SMB_ACL_TYPE_T type)
{
	errno = ENOSYS;
	return NULL;
}

static SMB_ACL_T skel_sys_acl_get_fd(vfs_handle_struct *handle, files_struct *fsp, int fd)
{
	errno = ENOSYS;
	return NULL;
}

static int skel_sys_acl_clear_perms(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_PERMSET_T permset)
{
	errno = ENOSYS;
	return -1;
}

static int skel_sys_acl_add_perm(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
{
	errno = ENOSYS;
	return -1;
}

static char *skel_sys_acl_to_text(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_T theacl, ssize_t *plen)
{
	errno = ENOSYS;
	return NULL;
}

static SMB_ACL_T skel_sys_acl_init(vfs_handle_struct *handle, connection_struct *conn, int count)
{
	errno = ENOSYS;
	return NULL;
}

static int skel_sys_acl_create_entry(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
{
	errno = ENOSYS;
	return -1;
}

static int skel_sys_acl_set_tag_type(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
{
	errno = ENOSYS;
	return -1;
}

static int skel_sys_acl_set_qualifier(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_ENTRY_T entry, void *qual)
{
	errno = ENOSYS;
	return -1;
}

static int skel_sys_acl_set_permset(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
{
	errno = ENOSYS;
	return -1;
}

static int skel_sys_acl_valid(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_T theacl )
{
	errno = ENOSYS;
	return -1;
}

static int skel_sys_acl_set_file(vfs_handle_struct *handle, connection_struct *conn, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
{
	errno = ENOSYS;
	return -1;
}

static int skel_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_ACL_T theacl)
{
	errno = ENOSYS;
	return -1;
}

static int skel_sys_acl_delete_def_file(vfs_handle_struct *handle, connection_struct *conn, const char *path)
{
	errno = ENOSYS;
	return -1;
}

static int skel_sys_acl_get_perm(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
{
	errno = ENOSYS;
	return -1;
}

static int skel_sys_acl_free_text(vfs_handle_struct *handle, connection_struct *conn, char *text)
{
	errno = ENOSYS;
	return -1;
}

static int skel_sys_acl_free_acl(vfs_handle_struct *handle, connection_struct *conn, SMB_ACL_T posix_acl)
{
	errno = ENOSYS;
	return -1;
}

static int skel_sys_acl_free_qualifier(vfs_handle_struct *handle, connection_struct *conn, void *qualifier, SMB_ACL_TAG_T tagtype)
{
	errno = ENOSYS;
	return -1;
}


/* VFS operations structure */

static vfs_op_tuple skel_op_tuples[] = {

	/* Disk operations */

	{SMB_VFS_OP(skel_connect),			SMB_VFS_OP_CONNECT, 		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_disconnect),			SMB_VFS_OP_DISCONNECT,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_disk_free),			SMB_VFS_OP_DISK_FREE,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_get_quota),			SMB_VFS_OP_GET_QUOTA,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_set_quota),			SMB_VFS_OP_SET_QUOTA,		SMB_VFS_LAYER_OPAQUE},
	
	/* Directory operations */

	{SMB_VFS_OP(skel_opendir),			SMB_VFS_OP_OPENDIR,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_readdir),			SMB_VFS_OP_READDIR,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_mkdir),			SMB_VFS_OP_MKDIR,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_rmdir),			SMB_VFS_OP_RMDIR,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_closedir),			SMB_VFS_OP_CLOSEDIR,		SMB_VFS_LAYER_OPAQUE},

	/* File operations */

	{SMB_VFS_OP(skel_open),				SMB_VFS_OP_OPEN,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_close),			SMB_VFS_OP_CLOSE,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_read),				SMB_VFS_OP_READ,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_write),			SMB_VFS_OP_WRITE,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_lseek),			SMB_VFS_OP_LSEEK,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_rename),			SMB_VFS_OP_RENAME,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_fsync),			SMB_VFS_OP_FSYNC,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_stat),				SMB_VFS_OP_STAT,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_fstat),			SMB_VFS_OP_FSTAT,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_lstat),			SMB_VFS_OP_LSTAT,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_unlink),			SMB_VFS_OP_UNLINK,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_chmod),			SMB_VFS_OP_CHMOD,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_fchmod),			SMB_VFS_OP_FCHMOD,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_chown),			SMB_VFS_OP_CHOWN,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_fchown),			SMB_VFS_OP_FCHOWN,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_chdir),			SMB_VFS_OP_CHDIR,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_getwd),			SMB_VFS_OP_GETWD,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_utime),			SMB_VFS_OP_UTIME,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_ftruncate),			SMB_VFS_OP_FTRUNCATE,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_lock),				SMB_VFS_OP_LOCK,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_symlink),			SMB_VFS_OP_SYMLINK,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_readlink),			SMB_VFS_OP_READLINK,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_link),				SMB_VFS_OP_LINK,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_mknod),			SMB_VFS_OP_MKNOD,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_realpath),			SMB_VFS_OP_REALPATH,		SMB_VFS_LAYER_OPAQUE},

	/* NT File ACL operations */

	{SMB_VFS_OP(skel_fget_nt_acl),			SMB_VFS_OP_FGET_NT_ACL,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_get_nt_acl),			SMB_VFS_OP_GET_NT_ACL,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_fset_nt_acl),			SMB_VFS_OP_FSET_NT_ACL,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_set_nt_acl),			SMB_VFS_OP_SET_NT_ACL,		SMB_VFS_LAYER_OPAQUE},

	/* POSIX ACL operations */

	{SMB_VFS_OP(skel_chmod_acl),			SMB_VFS_OP_CHMOD_ACL,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_fchmod_acl),			SMB_VFS_OP_FCHMOD_ACL,		SMB_VFS_LAYER_OPAQUE},

	{SMB_VFS_OP(skel_sys_acl_get_entry),		SMB_VFS_OP_SYS_ACL_GET_ENTRY,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_get_tag_type),		SMB_VFS_OP_SYS_ACL_GET_TAG_TYPE,	SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_get_permset),		SMB_VFS_OP_SYS_ACL_GET_PERMSET,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_get_qualifier),	SMB_VFS_OP_SYS_ACL_GET_QUALIFIER,	SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_get_file),		SMB_VFS_OP_SYS_ACL_GET_FILE,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_get_fd),		SMB_VFS_OP_SYS_ACL_GET_FD,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_clear_perms),		SMB_VFS_OP_SYS_ACL_CLEAR_PERMS,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_add_perm),		SMB_VFS_OP_SYS_ACL_ADD_PERM,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_to_text),		SMB_VFS_OP_SYS_ACL_TO_TEXT,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_init),			SMB_VFS_OP_SYS_ACL_INIT,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_create_entry),		SMB_VFS_OP_SYS_ACL_CREATE_ENTRY,	SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_set_tag_type),		SMB_VFS_OP_SYS_ACL_SET_TAG_TYPE,	SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_set_qualifier),	SMB_VFS_OP_SYS_ACL_SET_QUALIFIER,	SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_set_permset),		SMB_VFS_OP_SYS_ACL_SET_PERMSET,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_valid),		SMB_VFS_OP_SYS_ACL_VALID,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_set_file),		SMB_VFS_OP_SYS_ACL_SET_FILE,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_set_fd),		SMB_VFS_OP_SYS_ACL_SET_FD,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_delete_def_file),	SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,	SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_get_perm),		SMB_VFS_OP_SYS_ACL_GET_PERM,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_free_text),		SMB_VFS_OP_SYS_ACL_FREE_TEXT,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_free_acl),		SMB_VFS_OP_SYS_ACL_FREE_ACL,		SMB_VFS_LAYER_OPAQUE},
	{SMB_VFS_OP(skel_sys_acl_free_qualifier),	SMB_VFS_OP_SYS_ACL_FREE_QUALIFIER,	SMB_VFS_LAYER_OPAQUE},
	
	{NULL,						SMB_VFS_OP_NOOP,			SMB_VFS_LAYER_NOOP}
};

NTSTATUS init_module(void)
{
	return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "skel_opaque", skel_op_tuples);
}