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637901c242
Since the catia translation is implemented for open, it should not also be done in createfile. By removing createfile from catia, translation is now done correctly for the primary open path. In order to support systems that have custom createfile implementations that don't eventually call SMB_VFS_OPEN, SMB_VFS_TRANSLATE_NAME has been expanded to take an additional argument that specifies direction. Signed-off-by: Tim Prouty <tprouty@samba.org>
788 lines
39 KiB
C
788 lines
39 KiB
C
/*
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Unix SMB/CIFS implementation.
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VFS structures and parameters
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Copyright (C) Jeremy Allison 1999-2005
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Copyright (C) Tim Potter 1999
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Copyright (C) Alexander Bokovoy 2002-2005
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Copyright (C) Stefan (metze) Metzmacher 2003
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Copyright (C) Volker Lendecke 2009
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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This work was sponsored by Optifacio Software Services, Inc.
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*/
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#ifndef _VFS_H
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#define _VFS_H
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/* Avoid conflict with an AIX include file */
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#ifdef vfs_ops
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#undef vfs_ops
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#endif
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/*
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* As we're now (thanks Andrew ! :-) using file_structs and connection
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* structs in the vfs - then anyone writing a vfs must include includes.h...
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*/
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/*
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* This next constant specifies the version number of the VFS interface
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* this smbd will load. Increment this if *ANY* changes are made to the
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* vfs_ops below. JRA.
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*
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* If you change anything here, please also update modules/vfs_full_audit.c.
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* VL.
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*/
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/* Changed to version 2 for CIFS UNIX extensions (mknod and link added). JRA. */
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/* Changed to version 3 for POSIX acl extensions. JRA. */
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/* Changed to version 4 for cascaded VFS interface. Alexander Bokovoy. */
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/* Changed to version 5 for sendfile addition. JRA. */
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/* Changed to version 6 for the new module system, fixed cascading and quota functions. --metze */
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/* Changed to version 7 to include the get_nt_acl info parameter. JRA. */
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/* Changed to version 8 includes EA calls. JRA. */
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/* Changed to version 9 to include the get_shadow_data call. --metze */
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/* Changed to version 10 to include pread/pwrite calls. */
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/* Changed to version 11 to include seekdir/telldir/rewinddir calls. JRA */
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/* Changed to version 12 to add mask and attributes to opendir(). JRA
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Also include aio calls. JRA. */
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/* Changed to version 13 as the internal structure of files_struct has changed. JRA */
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/* Changed to version 14 as we had to change DIR to SMB_STRUCT_DIR. JRA */
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/* Changed to version 15 as we added the statvfs call. JRA */
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/* Changed to version 16 as we added the getlock call. JRA */
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/* Changed to version 17 as we removed redundant connection_struct parameters. --jpeach */
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/* Changed to version 18 to add fsp parameter to the open call -- jpeach
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Also include kernel_flock call - jmcd */
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/* Changed to version 19, kernel change notify has been merged
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Also included linux setlease call - jmcd */
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/* Changed to version 20, use ntimes call instead of utime (greater
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* timestamp resolition. JRA. */
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/* Changed to version21 to add chflags operation -- jpeach */
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/* Changed to version22 to add lchown operation -- jra */
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/* Leave at 22 - not yet released. But change set_nt_acl to return an NTSTATUS. jra. */
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/* Leave at 22 - not yet released. Add file_id_create operation. --metze */
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/* Leave at 22 - not yet released. Change all BOOL parameters (int) to bool. jra. */
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/* Leave at 22 - not yet released. Added recvfile. */
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/* Leave at 22 - not yet released. Change get_nt_acl to return NTSTATUS - vl */
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/* Leave at 22 - not yet released. Change get_nt_acl to *not* take a
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* files_struct. - obnox.*/
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/* Leave at 22 - not yet released. Remove parameter fd from fget_nt_acl. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from gset_nt_acl. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from pread. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from pwrite. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from lseek. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from fsync. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from fstat. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from fchmod. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from fchown. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from ftruncate. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from lock. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from kernel_flock. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from linux_setlease. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from getlock. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from sys_acl_get_fd. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from fchmod_acl. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from sys_acl_set_fd. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from fgetxattr. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from flistxattr. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from fremovexattr. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from fsetxattr. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from aio_cancel. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from read. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fd from write. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fromfd from sendfile. - obnox */
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/* Leave at 22 - not yet released. Remove parameter fromfd from recvfile. - obnox */
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/* Leave at 22 - not yet released. Additional change: add operations for offline files -- ab */
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/* Leave at 22 - not yet released. Add the streaminfo call. -- jpeach, vl */
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/* Leave at 22 - not yet released. Remove parameter fd from close_fn. - obnox */
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/* Changed to version 23 - remove set_nt_acl call. This can only be done via an
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open handle. JRA. */
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/* Changed to version 24 - make security descriptor const in fset_nt_acl. JRA. */
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/* Changed to version 25 - Jelmer's change from SMB_BIG_UINT to uint64_t. */
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/* Leave at 25 - not yet released. Add create_file call. -- tprouty. */
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/* Leave at 25 - not yet released. Add create time to ntimes. -- tstecher. */
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/* Leave at 25 - not yet released. Add get_alloc_size call. -- tprouty. */
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/* Leave at 25 - not yet released. Add SMB_STRUCT_STAT to readdir. - sdann */
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/* Leave at 25 - not yet released. Add init_search_op call. - sdann */
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/* Leave at 25 - not yet released. Add locking calls. -- zkirsch. */
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/* Leave at 25 - not yet released. Add strict locking calls. -- drichards. */
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/* Changed to version 26 - Plumb struct smb_filename to SMB_VFS_CREATE_FILE,
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SMB_VFS_OPEN, SMB_VFS_STAT, SMB_VFS_LSTAT,
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SMB_VFS_RENAME, SMB_VFS_UNLINK, SMB_VFS_NTIMES. */
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/* Changed to version 27 - not yet released. Added enum timestamp_set_resolution
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* return to fs_capabilities call. JRA. */
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/* Leave at 27 - not yet released. Add translate_name VFS call to convert
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UNIX names to Windows supported names -- asrinivasan. */
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#define SMB_VFS_INTERFACE_VERSION 27
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/* to bug old modules which are trying to compile with the old functions */
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#define vfs_init __ERROR_please_port_this_module_to_SMB_VFS_INTERFACE_VERSION_8_donot_use_vfs_init_anymore(void) { __ERROR_please_port_this_module_to_SMB_VFS_INTERFACE_VERSION_8_donot_use_vfs_init_anymore };
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#define lp_parm_string __ERROR_please_port_lp_parm_string_to_lp_parm_const_string_or_lp_parm_talloc_string { \
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__ERROR_please_port_lp_parm_string_to_lp_parm_const_string_or_lp_parm_talloc_string };
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#define lp_vfs_options __ERROR_please_donot_use_lp_vfs_options_anymore_use_lp_parm_xxxx_functions_instead { \
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__ERROR_please_donot_use_lp_vfs_options_anymore_use_lp_parm_xxxx_functions_instead };
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/*
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All intercepted VFS operations must be declared as static functions inside module source
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in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
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example VFS modules for more details.
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*/
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/* VFS operations structure */
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struct vfs_handle_struct;
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struct connection_struct;
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struct files_struct;
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struct security_descriptor;
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struct vfs_statvfs_struct;
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struct smb_request;
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struct ea_list;
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struct smb_file_time;
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struct blocking_lock_record;
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struct smb_filename;
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#define VFS_FIND(__fn__) while (handle->fns->__fn__==NULL) { \
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handle = handle->next; \
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}
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enum vfs_translate_direction {
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vfs_translate_to_unix = 0,
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vfs_translate_to_windows
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};
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/*
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Available VFS operations. These values must be in sync with vfs_ops struct
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(struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
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In particular, if new operations are added to vfs_ops, appropriate constants
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should be added to vfs_op_type so that order of them kept same as in vfs_ops.
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*/
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struct vfs_fn_pointers {
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/* Disk operations */
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int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
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void (*disconnect)(struct vfs_handle_struct *handle);
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uint64_t (*disk_free)(struct vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
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uint64_t *dfree, uint64_t *dsize);
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int (*get_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
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int (*set_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
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int (*get_shadow_copy_data)(struct vfs_handle_struct *handle, struct files_struct *fsp, SHADOW_COPY_DATA *shadow_copy_data, bool labels);
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int (*statvfs)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
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uint32_t (*fs_capabilities)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
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/* Directory operations */
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SMB_STRUCT_DIR *(*opendir)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes);
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SMB_STRUCT_DIRENT *(*readdir)(struct vfs_handle_struct *handle,
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SMB_STRUCT_DIR *dirp,
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SMB_STRUCT_STAT *sbuf);
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void (*seekdir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp, long offset);
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long (*telldir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
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void (*rewind_dir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
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int (*mkdir)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
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int (*rmdir)(struct vfs_handle_struct *handle, const char *path);
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int (*closedir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dir);
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void (*init_search_op)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
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/* File operations */
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int (*open)(struct vfs_handle_struct *handle,
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struct smb_filename *smb_fname, files_struct *fsp,
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int flags, mode_t mode);
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NTSTATUS (*create_file)(struct vfs_handle_struct *handle,
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struct smb_request *req,
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uint16_t root_dir_fid,
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struct smb_filename *smb_fname,
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uint32_t access_mask,
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uint32_t share_access,
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uint32_t create_disposition,
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uint32_t create_options,
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uint32_t file_attributes,
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uint32_t oplock_request,
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uint64_t allocation_size,
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struct security_descriptor *sd,
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struct ea_list *ea_list,
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files_struct **result,
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int *pinfo);
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int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
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ssize_t (*vfs_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
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ssize_t (*pread)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, SMB_OFF_T offset);
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ssize_t (*write)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
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ssize_t (*pwrite)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset);
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SMB_OFF_T (*lseek)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset, int whence);
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ssize_t (*sendfile)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, SMB_OFF_T offset, size_t count);
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ssize_t (*recvfile)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, SMB_OFF_T offset, size_t count);
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int (*rename)(struct vfs_handle_struct *handle,
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const struct smb_filename *smb_fname_src,
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const struct smb_filename *smb_fname_dst);
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int (*fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp);
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int (*stat)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
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int (*fstat)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
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int (*lstat)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
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uint64_t (*get_alloc_size)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
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int (*unlink)(struct vfs_handle_struct *handle,
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const struct smb_filename *smb_fname);
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int (*chmod)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
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int (*fchmod)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
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int (*chown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
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int (*fchown)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
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int (*lchown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
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int (*chdir)(struct vfs_handle_struct *handle, const char *path);
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char *(*getwd)(struct vfs_handle_struct *handle, char *buf);
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int (*ntimes)(struct vfs_handle_struct *handle,
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const struct smb_filename *smb_fname,
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struct smb_file_time *ft);
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int (*ftruncate)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset);
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bool (*lock)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_OFF_T offset, SMB_OFF_T count, int type);
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int (*kernel_flock)(struct vfs_handle_struct *handle, struct files_struct *fsp, uint32 share_mode);
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int (*linux_setlease)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
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bool (*getlock)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
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int (*symlink)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
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int (*vfs_readlink)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
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int (*link)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
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int (*mknod)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
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char *(*realpath)(struct vfs_handle_struct *handle, const char *path, char *resolved_path);
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NTSTATUS (*notify_watch)(struct vfs_handle_struct *handle,
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struct sys_notify_context *ctx,
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struct notify_entry *e,
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void (*callback)(struct sys_notify_context *ctx,
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void *private_data,
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struct notify_event *ev),
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void *private_data, void *handle_p);
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int (*chflags)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
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struct file_id (*file_id_create)(struct vfs_handle_struct *handle,
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const SMB_STRUCT_STAT *sbuf);
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NTSTATUS (*streaminfo)(struct vfs_handle_struct *handle,
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struct files_struct *fsp,
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const char *fname,
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TALLOC_CTX *mem_ctx,
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unsigned int *num_streams,
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struct stream_struct **streams);
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int (*get_real_filename)(struct vfs_handle_struct *handle,
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const char *path,
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const char *name,
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TALLOC_CTX *mem_ctx,
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char **found_name);
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const char *(*connectpath)(struct vfs_handle_struct *handle,
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const char *filename);
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NTSTATUS (*brl_lock_windows)(struct vfs_handle_struct *handle,
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struct byte_range_lock *br_lck,
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struct lock_struct *plock,
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bool blocking_lock,
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struct blocking_lock_record *blr);
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bool (*brl_unlock_windows)(struct vfs_handle_struct *handle,
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struct messaging_context *msg_ctx,
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struct byte_range_lock *br_lck,
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const struct lock_struct *plock);
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bool (*brl_cancel_windows)(struct vfs_handle_struct *handle,
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struct byte_range_lock *br_lck,
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struct lock_struct *plock,
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struct blocking_lock_record *blr);
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bool (*strict_lock)(struct vfs_handle_struct *handle,
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struct files_struct *fsp,
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struct lock_struct *plock);
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void (*strict_unlock)(struct vfs_handle_struct *handle,
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struct files_struct *fsp,
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struct lock_struct *plock);
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NTSTATUS (*translate_name)(struct vfs_handle_struct *handle,
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char **mapped_name,
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enum vfs_translate_direction direction);
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/* NT ACL operations. */
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NTSTATUS (*fget_nt_acl)(struct vfs_handle_struct *handle,
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struct files_struct *fsp,
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uint32 security_info,
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struct security_descriptor **ppdesc);
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NTSTATUS (*get_nt_acl)(struct vfs_handle_struct *handle,
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const char *name,
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uint32 security_info,
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struct security_descriptor **ppdesc);
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NTSTATUS (*fset_nt_acl)(struct vfs_handle_struct *handle,
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struct files_struct *fsp,
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uint32 security_info_sent,
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const struct security_descriptor *psd);
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/* POSIX ACL operations. */
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int (*chmod_acl)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
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int (*fchmod_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
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int (*sys_acl_get_entry)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p);
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int (*sys_acl_get_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p);
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int (*sys_acl_get_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p);
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void * (*sys_acl_get_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d);
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SMB_ACL_T (*sys_acl_get_file)(struct vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type);
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SMB_ACL_T (*sys_acl_get_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp);
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int (*sys_acl_clear_perms)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset);
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int (*sys_acl_add_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
|
|
char * (*sys_acl_to_text)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, ssize_t *plen);
|
|
SMB_ACL_T (*sys_acl_init)(struct vfs_handle_struct *handle, int count);
|
|
int (*sys_acl_create_entry)(struct vfs_handle_struct *handle, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
|
|
int (*sys_acl_set_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype);
|
|
int (*sys_acl_set_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, void *qual);
|
|
int (*sys_acl_set_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset);
|
|
int (*sys_acl_valid)(struct vfs_handle_struct *handle, SMB_ACL_T theacl );
|
|
int (*sys_acl_set_file)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
|
|
int (*sys_acl_set_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
|
|
int (*sys_acl_delete_def_file)(struct vfs_handle_struct *handle, const char *path);
|
|
int (*sys_acl_get_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
|
|
int (*sys_acl_free_text)(struct vfs_handle_struct *handle, char *text);
|
|
int (*sys_acl_free_acl)(struct vfs_handle_struct *handle, SMB_ACL_T posix_acl);
|
|
int (*sys_acl_free_qualifier)(struct vfs_handle_struct *handle, void *qualifier, SMB_ACL_TAG_T tagtype);
|
|
|
|
/* EA operations. */
|
|
ssize_t (*getxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
|
|
ssize_t (*lgetxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
|
|
ssize_t (*fgetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
|
|
ssize_t (*listxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
|
|
ssize_t (*llistxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
|
|
ssize_t (*flistxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
|
|
int (*removexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
|
|
int (*lremovexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
|
|
int (*fremovexattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
|
|
int (*setxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
|
|
int (*lsetxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
|
|
int (*fsetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
|
|
|
|
/* aio operations */
|
|
int (*aio_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
|
|
int (*aio_write)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
|
|
ssize_t (*aio_return_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
|
|
int (*aio_cancel)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
|
|
int (*aio_error_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
|
|
int (*aio_fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb);
|
|
int (*aio_suspend)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout);
|
|
bool (*aio_force)(struct vfs_handle_struct *handle, struct files_struct *fsp);
|
|
|
|
/* offline operations */
|
|
bool (*is_offline)(struct vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf);
|
|
int (*set_offline)(struct vfs_handle_struct *handle, const char *path);
|
|
};
|
|
|
|
/*
|
|
VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
|
|
which describes all operations this module is willing to intercept.
|
|
VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
|
|
using this information.
|
|
*/
|
|
|
|
typedef struct vfs_handle_struct {
|
|
struct vfs_handle_struct *next, *prev;
|
|
const char *param;
|
|
struct connection_struct *conn;
|
|
const struct vfs_fn_pointers *fns;
|
|
void *data;
|
|
void (*free_data)(void **data);
|
|
} vfs_handle_struct;
|
|
|
|
|
|
typedef struct vfs_statvfs_struct {
|
|
/* For undefined recommended transfer size return -1 in that field */
|
|
uint32 OptimalTransferSize; /* bsize on some os, iosize on other os */
|
|
uint32 BlockSize;
|
|
|
|
/*
|
|
The next three fields are in terms of the block size.
|
|
(above). If block size is unknown, 4096 would be a
|
|
reasonable block size for a server to report.
|
|
Note that returning the blocks/blocksavail removes need
|
|
to make a second call (to QFSInfo level 0x103 to get this info.
|
|
UserBlockAvail is typically less than or equal to BlocksAvail,
|
|
if no distinction is made return the same value in each.
|
|
*/
|
|
|
|
uint64_t TotalBlocks;
|
|
uint64_t BlocksAvail; /* bfree */
|
|
uint64_t UserBlocksAvail; /* bavail */
|
|
|
|
/* For undefined Node fields or FSID return -1 */
|
|
uint64_t TotalFileNodes;
|
|
uint64_t FreeFileNodes;
|
|
uint64_t FsIdentifier; /* fsid */
|
|
/* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
|
|
/* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */
|
|
|
|
int FsCapabilities;
|
|
} vfs_statvfs_struct;
|
|
|
|
/* Add a new FSP extension of the given type. Returns a pointer to the
|
|
* extenstion data.
|
|
*/
|
|
#define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn) \
|
|
vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
|
|
|
|
/* Return a pointer to the existing FSP extension data. */
|
|
#define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
|
|
vfs_fetch_fsp_extension(handle, (fsp))
|
|
|
|
/* Return the talloc context associated with an FSP extension. */
|
|
#define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
|
|
vfs_memctx_fsp_extension(handle, (fsp))
|
|
|
|
/* Remove and destroy an FSP extension. */
|
|
#define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
|
|
vfs_remove_fsp_extension((handle), (fsp))
|
|
|
|
#define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
|
|
if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
|
|
DEBUG(0,("%s() failed to get vfs_handle->data!\n",FUNCTION_MACRO)); \
|
|
ret; \
|
|
} \
|
|
}
|
|
|
|
#define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
|
|
if (!(handle)) { \
|
|
DEBUG(0,("%s() failed to set handle->data!\n",FUNCTION_MACRO)); \
|
|
ret; \
|
|
} else { \
|
|
if ((handle)->free_data) { \
|
|
(handle)->free_data(&(handle)->data); \
|
|
} \
|
|
(handle)->data = (void *)datap; \
|
|
(handle)->free_data = free_fn; \
|
|
} \
|
|
}
|
|
|
|
#define SMB_VFS_HANDLE_FREE_DATA(handle) { \
|
|
if ((handle) && (handle)->free_data) { \
|
|
(handle)->free_data(&(handle)->data); \
|
|
} \
|
|
}
|
|
|
|
/* Check whether module-specific data handle was already allocated or not */
|
|
#define SMB_VFS_HANDLE_TEST_DATA(handle) ( !(handle) || !(handle)->data ? False : True )
|
|
|
|
#define SMB_VFS_OP(x) ((void *) x)
|
|
|
|
#define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
|
|
|
|
#include "vfs_macros.h"
|
|
|
|
int smb_vfs_call_connect(struct vfs_handle_struct *handle,
|
|
const char *service, const char *user);
|
|
void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
|
|
uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
|
|
const char *path, bool small_query,
|
|
uint64_t *bsize, uint64_t *dfree,
|
|
uint64_t *dsize);
|
|
int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
|
|
enum SMB_QUOTA_TYPE qtype, unid_t id,
|
|
SMB_DISK_QUOTA *qt);
|
|
int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
|
|
enum SMB_QUOTA_TYPE qtype, unid_t id,
|
|
SMB_DISK_QUOTA *qt);
|
|
int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
SHADOW_COPY_DATA *shadow_copy_data,
|
|
bool labels);
|
|
int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
|
|
struct vfs_statvfs_struct *statbuf);
|
|
uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
|
|
enum timestamp_set_resolution *p_ts_res);
|
|
SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
|
|
const char *fname, const char *mask,
|
|
uint32 attributes);
|
|
SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
|
|
SMB_STRUCT_DIR *dirp,
|
|
SMB_STRUCT_STAT *sbuf);
|
|
void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
|
|
SMB_STRUCT_DIR *dirp, long offset);
|
|
long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
|
|
SMB_STRUCT_DIR *dirp);
|
|
void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
|
|
SMB_STRUCT_DIR *dirp);
|
|
int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
|
|
mode_t mode);
|
|
int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
|
|
int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
|
|
SMB_STRUCT_DIR *dir);
|
|
void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
|
|
SMB_STRUCT_DIR *dirp);
|
|
int smb_vfs_call_open(struct vfs_handle_struct *handle,
|
|
struct smb_filename *smb_fname, struct files_struct *fsp,
|
|
int flags, mode_t mode);
|
|
NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
|
|
struct smb_request *req,
|
|
uint16_t root_dir_fid,
|
|
struct smb_filename *smb_fname,
|
|
uint32_t access_mask,
|
|
uint32_t share_access,
|
|
uint32_t create_disposition,
|
|
uint32_t create_options,
|
|
uint32_t file_attributes,
|
|
uint32_t oplock_request,
|
|
uint64_t allocation_size,
|
|
struct security_descriptor *sd,
|
|
struct ea_list *ea_list,
|
|
files_struct **result,
|
|
int *pinfo);
|
|
int smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp);
|
|
ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, void *data, size_t n);
|
|
ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, void *data, size_t n,
|
|
SMB_OFF_T offset);
|
|
ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, const void *data,
|
|
size_t n);
|
|
ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, const void *data,
|
|
size_t n, SMB_OFF_T offset);
|
|
SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, SMB_OFF_T offset,
|
|
int whence);
|
|
ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
|
|
files_struct *fromfsp, const DATA_BLOB *header,
|
|
SMB_OFF_T offset, size_t count);
|
|
ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
|
|
files_struct *tofsp, SMB_OFF_T offset,
|
|
size_t count);
|
|
int smb_vfs_call_rename(struct vfs_handle_struct *handle,
|
|
const struct smb_filename *smb_fname_src,
|
|
const struct smb_filename *smb_fname_dst);
|
|
int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp);
|
|
int smb_vfs_call_stat(struct vfs_handle_struct *handle,
|
|
struct smb_filename *smb_fname);
|
|
int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
|
|
int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
|
|
struct smb_filename *smb_filename);
|
|
uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
const SMB_STRUCT_STAT *sbuf);
|
|
int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
|
|
const struct smb_filename *smb_fname);
|
|
int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
|
|
mode_t mode);
|
|
int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, mode_t mode);
|
|
int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
|
|
uid_t uid, gid_t gid);
|
|
int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, uid_t uid, gid_t gid);
|
|
int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
|
|
uid_t uid, gid_t gid);
|
|
int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
|
|
char *smb_vfs_call_getwd(struct vfs_handle_struct *handle, char *buf);
|
|
int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
|
|
const struct smb_filename *smb_fname,
|
|
struct smb_file_time *ft);
|
|
int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, SMB_OFF_T offset);
|
|
bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, int op, SMB_OFF_T offset,
|
|
SMB_OFF_T count, int type);
|
|
int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, uint32 share_mode);
|
|
int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, int leasetype);
|
|
bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, SMB_OFF_T *poffset,
|
|
SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
|
|
int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
|
|
const char *newpath);
|
|
int smb_vfs_call_vfs_readlink(struct vfs_handle_struct *handle,
|
|
const char *path, char *buf, size_t bufsiz);
|
|
int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
|
|
const char *newpath);
|
|
int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
|
|
mode_t mode, SMB_DEV_T dev);
|
|
char *smb_vfs_call_realpath(struct vfs_handle_struct *handle,
|
|
const char *path, char *resolved_path);
|
|
NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
|
|
struct sys_notify_context *ctx,
|
|
struct notify_entry *e,
|
|
void (*callback)(struct sys_notify_context *ctx,
|
|
void *private_data,
|
|
struct notify_event *ev),
|
|
void *private_data, void *handle_p);
|
|
int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
|
|
unsigned int flags);
|
|
struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
|
|
const SMB_STRUCT_STAT *sbuf);
|
|
NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
const char *fname,
|
|
TALLOC_CTX *mem_ctx,
|
|
unsigned int *num_streams,
|
|
struct stream_struct **streams);
|
|
int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
|
|
const char *path, const char *name,
|
|
TALLOC_CTX *mem_ctx, char **found_name);
|
|
const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
|
|
const char *filename);
|
|
NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
|
|
struct byte_range_lock *br_lck,
|
|
struct lock_struct *plock,
|
|
bool blocking_lock,
|
|
struct blocking_lock_record *blr);
|
|
bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
|
|
struct messaging_context *msg_ctx,
|
|
struct byte_range_lock *br_lck,
|
|
const struct lock_struct *plock);
|
|
bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
|
|
struct byte_range_lock *br_lck,
|
|
struct lock_struct *plock,
|
|
struct blocking_lock_record *blr);
|
|
bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
struct lock_struct *plock);
|
|
void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
struct lock_struct *plock);
|
|
NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
|
|
char **mapped_name,
|
|
enum vfs_translate_direction direction);
|
|
NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
uint32 security_info,
|
|
struct security_descriptor **ppdesc);
|
|
NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
|
|
const char *name,
|
|
uint32 security_info,
|
|
struct security_descriptor **ppdesc);
|
|
NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp,
|
|
uint32 security_info_sent,
|
|
const struct security_descriptor *psd);
|
|
int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
|
|
mode_t mode);
|
|
int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
|
|
struct files_struct *fsp, mode_t mode);
|
|
int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
|
|
SMB_ACL_T theacl, int entry_id,
|
|
SMB_ACL_ENTRY_T *entry_p);
|
|
int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
|
|
SMB_ACL_ENTRY_T entry_d,
|
|
SMB_ACL_TAG_T *tag_type_p);
|
|
int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
|
|
SMB_ACL_ENTRY_T entry_d,
|
|
SMB_ACL_PERMSET_T *permset_p);
|
|
void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
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SMB_ACL_ENTRY_T entry_d);
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SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
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const char *path_p,
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SMB_ACL_TYPE_T type);
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SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
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struct files_struct *fsp);
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int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
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SMB_ACL_PERMSET_T permset);
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int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
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SMB_ACL_PERMSET_T permset,
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SMB_ACL_PERM_T perm);
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char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
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SMB_ACL_T theacl, ssize_t *plen);
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SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
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int count);
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int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
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SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
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int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
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SMB_ACL_ENTRY_T entry,
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SMB_ACL_TAG_T tagtype);
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int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
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SMB_ACL_ENTRY_T entry, void *qual);
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int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
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SMB_ACL_ENTRY_T entry,
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SMB_ACL_PERMSET_T permset);
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int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
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SMB_ACL_T theacl);
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int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
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const char *name, SMB_ACL_TYPE_T acltype,
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SMB_ACL_T theacl);
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int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
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struct files_struct *fsp, SMB_ACL_T theacl);
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int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
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const char *path);
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int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
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SMB_ACL_PERMSET_T permset,
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SMB_ACL_PERM_T perm);
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int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
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char *text);
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int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
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SMB_ACL_T posix_acl);
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int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
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void *qualifier, SMB_ACL_TAG_T tagtype);
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ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
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const char *path, const char *name, void *value,
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size_t size);
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ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
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const char *path, const char *name, void *value,
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size_t size);
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ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
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struct files_struct *fsp, const char *name,
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void *value, size_t size);
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ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
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const char *path, char *list, size_t size);
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ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
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const char *path, char *list, size_t size);
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ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
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struct files_struct *fsp, char *list,
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size_t size);
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int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
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const char *path, const char *name);
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int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
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const char *path, const char *name);
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int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
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struct files_struct *fsp, const char *name);
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int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
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const char *name, const void *value, size_t size,
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int flags);
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int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
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const char *name, const void *value, size_t size,
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int flags);
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int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
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struct files_struct *fsp, const char *name,
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const void *value, size_t size, int flags);
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int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
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struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
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int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
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struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
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ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
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struct files_struct *fsp,
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SMB_STRUCT_AIOCB *aiocb);
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int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
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struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
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int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
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struct files_struct *fsp,
|
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SMB_STRUCT_AIOCB *aiocb);
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int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
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struct files_struct *fsp, int op,
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SMB_STRUCT_AIOCB *aiocb);
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int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
|
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struct files_struct *fsp,
|
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const SMB_STRUCT_AIOCB * const aiocb[], int n,
|
|
const struct timespec *timeout);
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bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
|
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struct files_struct *fsp);
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bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
|
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const char *path, SMB_STRUCT_STAT *sbuf);
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int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
|
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const char *path);
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#endif /* _VFS_H */
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