mirror of
https://github.com/samba-team/samba.git
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dcad0f6fd4
- the stacking of modules
- finding the modules private data
- hide the ntvfs details from the calling layer
- I set NTVFS_INTERFACE_VERSION 0 till we are closer to release
(because we need to solve some async problems with the module stacking)
metze
(This used to be commit 3ff03b5cb2
)
132 lines
4.0 KiB
C
132 lines
4.0 KiB
C
/*
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Unix SMB/CIFS implementation.
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POSIX NTVFS backend - read
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Copyright (C) Andrew Tridgell 2004
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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 2 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, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "include/includes.h"
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#include "vfs_posix.h"
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/*
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approximately map a struct pvfs_filename to a generic fileinfo struct
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*/
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static NTSTATUS pvfs_map_fileinfo(struct pvfs_state *pvfs, TALLOC_CTX *mem_ctx,
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struct pvfs_filename *name, union smb_fileinfo *info)
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{
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info->generic.out.create_time = name->dos.create_time;
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info->generic.out.access_time = name->dos.access_time;
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info->generic.out.write_time = name->dos.write_time;
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info->generic.out.change_time = name->dos.change_time;
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info->generic.out.alloc_size = name->dos.alloc_size;
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info->generic.out.size = name->st.st_size;
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info->generic.out.attrib = name->dos.attrib;
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info->generic.out.nlink = name->dos.nlink;
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info->generic.out.directory = (name->dos.attrib&FILE_ATTRIBUTE_DIRECTORY)?1:0;
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info->generic.out.file_id = name->dos.file_id;
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/* REWRITE: TODO stuff in here */
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info->generic.out.delete_pending = 0;
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info->generic.out.ea_size = 0;
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info->generic.out.num_eas = 0;
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info->generic.out.fname.s = name->original_name;
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info->generic.out.alt_fname.s = pvfs_short_name(pvfs, name);
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info->generic.out.compressed_size = name->st.st_size;
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info->generic.out.format = 0;
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info->generic.out.unit_shift = 0;
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info->generic.out.chunk_shift = 0;
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info->generic.out.cluster_shift = 0;
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info->generic.out.access_flags = 0;
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info->generic.out.position = 0;
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info->generic.out.mode = 0;
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info->generic.out.alignment_requirement = 0;
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info->generic.out.reparse_tag = 0;
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/* setup a single data stream */
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info->generic.out.num_streams = 1;
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info->generic.out.streams = talloc_array_p(mem_ctx,
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struct stream_struct,
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info->generic.out.num_streams);
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if (!info->generic.out.streams) {
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return NT_STATUS_NO_MEMORY;
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}
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info->generic.out.streams[0].size = name->st.st_size;
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info->generic.out.streams[0].alloc_size = name->st.st_size;
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info->generic.out.streams[0].stream_name.s = talloc_strdup(mem_ctx, "::$DATA");
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return NT_STATUS_OK;
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}
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/*
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return info on a pathname
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*/
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NTSTATUS pvfs_qpathinfo(struct ntvfs_module_context *ntvfs,
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struct smbsrv_request *req, union smb_fileinfo *info)
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{
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struct pvfs_state *pvfs = ntvfs->private_data;
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struct pvfs_filename *name;
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NTSTATUS status;
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if (info->generic.level != RAW_FILEINFO_GENERIC) {
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return ntvfs_map_qpathinfo(req, info, ntvfs);
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}
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/* resolve the cifs name to a posix name */
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status = pvfs_resolve_name(pvfs, req, info->generic.in.fname, PVFS_RESOLVE_NO_WILDCARD, &name);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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if (!name->exists) {
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return NT_STATUS_OBJECT_NAME_NOT_FOUND;
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}
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return pvfs_map_fileinfo(pvfs, req, name, info);
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}
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/*
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query info on a open file
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*/
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NTSTATUS pvfs_qfileinfo(struct ntvfs_module_context *ntvfs,
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struct smbsrv_request *req, union smb_fileinfo *info)
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{
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struct pvfs_state *pvfs = ntvfs->private_data;
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struct pvfs_file *f;
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NTSTATUS status;
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if (info->generic.level != RAW_FILEINFO_GENERIC) {
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return ntvfs_map_qfileinfo(req, info, ntvfs);
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}
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f = pvfs_find_fd(pvfs, req, info->generic.in.fnum);
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if (!f) {
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return NT_STATUS_INVALID_HANDLE;
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}
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/* update the file information */
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status = pvfs_resolve_name_fd(pvfs, f->fd, f->name);
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if (!NT_STATUS_IS_OK(status)) {
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return status;
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}
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return pvfs_map_fileinfo(pvfs, req, f->name, info);
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}
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