2 Unix SMB/CIFS implementation.
4 POSIX NTVFS backend - read
6 Copyright (C) Andrew Tridgell 2004
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "vfs_posix.h"
25 #include "librpc/gen_ndr/ndr_xattr.h"
29 determine what access bits are needed for a call
31 static uint32_t pvfs_fileinfo_access(enum smb_fileinfo_level level)
36 case RAW_FILEINFO_EA_LIST:
37 case RAW_FILEINFO_ALL_EAS:
38 needed = SEC_FILE_READ_EA;
41 case RAW_FILEINFO_IS_NAME_VALID:
45 case RAW_FILEINFO_SEC_DESC:
46 needed = SEC_STD_READ_CONTROL;
50 needed = SEC_FILE_READ_ATTRIBUTE;
57 reply to a RAW_FILEINFO_EA_LIST call
59 NTSTATUS pvfs_query_ea_list(struct pvfs_state *pvfs, TALLOC_CTX *mem_ctx,
60 struct pvfs_filename *name, int fd,
62 struct ea_name *names,
63 struct smb_ea_list *eas)
67 struct xattr_DosEAs *ealist = talloc(mem_ctx, struct xattr_DosEAs);
70 status = pvfs_doseas_load(pvfs, name, fd, ealist);
71 if (!NT_STATUS_IS_OK(status)) {
74 eas->eas = talloc_array(mem_ctx, struct ea_struct, num_names);
75 if (eas->eas == NULL) {
76 return NT_STATUS_NO_MEMORY;
78 eas->num_eas = num_names;
79 for (i=0;i<num_names;i++) {
81 eas->eas[i].flags = 0;
82 eas->eas[i].name.s = names[i].name.s;
83 eas->eas[i].value = data_blob(NULL, 0);
84 for (j=0;j<ealist->num_eas;j++) {
85 if (StrCaseCmp(eas->eas[i].name.s,
86 ealist->eas[j].name) == 0) {
87 eas->eas[i].value = ealist->eas[j].value;
96 reply to a RAW_FILEINFO_ALL_EAS call
98 static NTSTATUS pvfs_query_all_eas(struct pvfs_state *pvfs, TALLOC_CTX *mem_ctx,
99 struct pvfs_filename *name, int fd,
100 struct smb_ea_list *eas)
104 struct xattr_DosEAs *ealist = talloc(mem_ctx, struct xattr_DosEAs);
107 status = pvfs_doseas_load(pvfs, name, fd, ealist);
108 if (!NT_STATUS_IS_OK(status)) {
111 eas->eas = talloc_array(mem_ctx, struct ea_struct, ealist->num_eas);
112 if (eas->eas == NULL) {
113 return NT_STATUS_NO_MEMORY;
116 for (i=0;i<ealist->num_eas;i++) {
117 eas->eas[eas->num_eas].flags = 0;
118 eas->eas[eas->num_eas].name.s = ealist->eas[i].name;
119 eas->eas[eas->num_eas].value = ealist->eas[i].value;
126 approximately map a struct pvfs_filename to a generic fileinfo struct
128 static NTSTATUS pvfs_map_fileinfo(struct pvfs_state *pvfs,
129 struct smbsrv_request *req,
130 struct pvfs_filename *name, union smb_fileinfo *info,
133 switch (info->generic.level) {
134 case RAW_FILEINFO_GENERIC:
135 return NT_STATUS_INVALID_LEVEL;
137 case RAW_FILEINFO_GETATTR:
138 info->getattr.out.attrib = name->dos.attrib;
139 info->getattr.out.size = name->st.st_size;
140 info->getattr.out.write_time = nt_time_to_unix(name->dos.write_time);
143 case RAW_FILEINFO_GETATTRE:
144 case RAW_FILEINFO_STANDARD:
145 info->standard.out.create_time = nt_time_to_unix(name->dos.create_time);
146 info->standard.out.access_time = nt_time_to_unix(name->dos.access_time);
147 info->standard.out.write_time = nt_time_to_unix(name->dos.write_time);
148 info->standard.out.size = name->st.st_size;
149 info->standard.out.alloc_size = name->dos.alloc_size;
150 info->standard.out.attrib = name->dos.attrib;
153 case RAW_FILEINFO_EA_SIZE:
154 info->ea_size.out.create_time = nt_time_to_unix(name->dos.create_time);
155 info->ea_size.out.access_time = nt_time_to_unix(name->dos.access_time);
156 info->ea_size.out.write_time = nt_time_to_unix(name->dos.write_time);
157 info->ea_size.out.size = name->st.st_size;
158 info->ea_size.out.alloc_size = name->dos.alloc_size;
159 info->ea_size.out.attrib = name->dos.attrib;
160 info->ea_size.out.ea_size = name->dos.ea_size;
163 case RAW_FILEINFO_EA_LIST:
164 return pvfs_query_ea_list(pvfs, req, name, fd,
165 info->ea_list.in.num_names,
166 info->ea_list.in.ea_names,
169 case RAW_FILEINFO_ALL_EAS:
170 return pvfs_query_all_eas(pvfs, req, name, fd, &info->all_eas.out);
172 case RAW_FILEINFO_IS_NAME_VALID:
175 case RAW_FILEINFO_BASIC_INFO:
176 case RAW_FILEINFO_BASIC_INFORMATION:
177 info->basic_info.out.create_time = name->dos.create_time;
178 info->basic_info.out.access_time = name->dos.access_time;
179 info->basic_info.out.write_time = name->dos.write_time;
180 info->basic_info.out.change_time = name->dos.change_time;
181 info->basic_info.out.attrib = name->dos.attrib;
184 case RAW_FILEINFO_STANDARD_INFO:
185 case RAW_FILEINFO_STANDARD_INFORMATION:
186 info->standard_info.out.alloc_size = name->dos.alloc_size;
187 info->standard_info.out.size = name->st.st_size;
188 info->standard_info.out.nlink = name->st.st_nlink;
189 info->standard_info.out.delete_pending = 0;
190 info->standard_info.out.directory =
191 (name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY)? 1 : 0;
194 case RAW_FILEINFO_EA_INFO:
195 case RAW_FILEINFO_EA_INFORMATION:
196 info->ea_info.out.ea_size = name->dos.ea_size;
199 case RAW_FILEINFO_NAME_INFO:
200 case RAW_FILEINFO_NAME_INFORMATION:
201 info->name_info.out.fname.s = name->original_name;
204 case RAW_FILEINFO_ALL_INFO:
205 case RAW_FILEINFO_ALL_INFORMATION:
206 info->all_info.out.create_time = name->dos.create_time;
207 info->all_info.out.access_time = name->dos.access_time;
208 info->all_info.out.write_time = name->dos.write_time;
209 info->all_info.out.change_time = name->dos.change_time;
210 info->all_info.out.attrib = name->dos.attrib;
211 info->all_info.out.alloc_size = name->dos.alloc_size;
212 info->all_info.out.size = name->st.st_size;
213 info->all_info.out.nlink = name->st.st_nlink;
214 info->all_info.out.delete_pending = 0;
215 info->all_info.out.directory =
216 (name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY)? 1 : 0;
217 info->all_info.out.ea_size = name->dos.ea_size;
218 info->all_info.out.fname.s = name->original_name;
221 case RAW_FILEINFO_ALT_NAME_INFO:
222 case RAW_FILEINFO_ALT_NAME_INFORMATION:
223 info->name_info.out.fname.s = pvfs_short_name(pvfs, name, name);
226 case RAW_FILEINFO_STREAM_INFO:
227 case RAW_FILEINFO_STREAM_INFORMATION:
228 return pvfs_stream_information(pvfs, req, name, fd, &info->stream_info.out);
230 case RAW_FILEINFO_COMPRESSION_INFO:
231 case RAW_FILEINFO_COMPRESSION_INFORMATION:
232 info->compression_info.out.compressed_size = name->st.st_size;
233 info->compression_info.out.format = 0;
234 info->compression_info.out.unit_shift = 0;
235 info->compression_info.out.chunk_shift = 0;
236 info->compression_info.out.cluster_shift = 0;
239 case RAW_FILEINFO_INTERNAL_INFORMATION:
240 info->internal_information.out.file_id = name->dos.file_id;
243 case RAW_FILEINFO_ACCESS_INFORMATION:
244 info->access_information.out.access_flags = 0;
247 case RAW_FILEINFO_POSITION_INFORMATION:
248 info->position_information.out.position = 0;
251 case RAW_FILEINFO_MODE_INFORMATION:
252 info->mode_information.out.mode = 0;
255 case RAW_FILEINFO_ALIGNMENT_INFORMATION:
256 info->alignment_information.out.alignment_requirement = 0;
259 case RAW_FILEINFO_NETWORK_OPEN_INFORMATION:
260 info->network_open_information.out.create_time = name->dos.create_time;
261 info->network_open_information.out.access_time = name->dos.access_time;
262 info->network_open_information.out.write_time = name->dos.write_time;
263 info->network_open_information.out.change_time = name->dos.change_time;
264 info->network_open_information.out.alloc_size = name->dos.alloc_size;
265 info->network_open_information.out.size = name->st.st_size;
266 info->network_open_information.out.attrib = name->dos.attrib;
269 case RAW_FILEINFO_ATTRIBUTE_TAG_INFORMATION:
270 info->attribute_tag_information.out.attrib = name->dos.attrib;
271 info->attribute_tag_information.out.reparse_tag = 0;
274 case RAW_FILEINFO_SEC_DESC:
275 return pvfs_acl_query(pvfs, req, name, fd, info);
278 return NT_STATUS_INVALID_LEVEL;
282 return info on a pathname
284 NTSTATUS pvfs_qpathinfo(struct ntvfs_module_context *ntvfs,
285 struct smbsrv_request *req, union smb_fileinfo *info)
287 struct pvfs_state *pvfs = ntvfs->private_data;
288 struct pvfs_filename *name;
291 /* resolve the cifs name to a posix name */
292 status = pvfs_resolve_name(pvfs, req, info->generic.in.fname, PVFS_RESOLVE_STREAMS, &name);
293 if (!NT_STATUS_IS_OK(status)) {
297 if (!name->stream_exists) {
298 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
301 status = pvfs_access_check_simple(pvfs, req, name,
302 pvfs_fileinfo_access(info->generic.level));
303 if (!NT_STATUS_IS_OK(status)) {
307 status = pvfs_map_fileinfo(pvfs, req, name, info, -1);
313 query info on a open file
315 NTSTATUS pvfs_qfileinfo(struct ntvfs_module_context *ntvfs,
316 struct smbsrv_request *req, union smb_fileinfo *info)
318 struct pvfs_state *pvfs = ntvfs->private_data;
320 struct pvfs_file_handle *h;
322 uint32_t access_needed;
324 f = pvfs_find_fd(pvfs, req, info->generic.in.fnum);
326 return NT_STATUS_INVALID_HANDLE;
330 access_needed = pvfs_fileinfo_access(info->generic.level);
331 if ((f->access_mask & access_needed) != access_needed) {
332 return NT_STATUS_ACCESS_DENIED;
335 /* update the file information */
336 status = pvfs_resolve_name_fd(pvfs, h->fd, h->name);
337 if (!NT_STATUS_IS_OK(status)) {
341 status = pvfs_map_fileinfo(pvfs, req, h->name, info, h->fd);
343 /* a qfileinfo can fill in a bit more info than a qpathinfo -
344 now modify the levels that need to be fixed up */
345 switch (info->generic.level) {
346 case RAW_FILEINFO_STANDARD_INFO:
347 case RAW_FILEINFO_STANDARD_INFORMATION:
348 if (h->create_options & NTCREATEX_OPTIONS_DELETE_ON_CLOSE) {
349 info->standard_info.out.delete_pending = 1;
350 info->standard_info.out.nlink--;
354 case RAW_FILEINFO_ALL_INFO:
355 case RAW_FILEINFO_ALL_INFORMATION:
356 if (h->create_options & NTCREATEX_OPTIONS_DELETE_ON_CLOSE) {
357 info->all_info.out.delete_pending = 1;
358 info->all_info.out.nlink--;
362 case RAW_FILEINFO_POSITION_INFORMATION:
363 info->position_information.out.position = h->position;
366 case RAW_FILEINFO_ACCESS_INFORMATION:
367 info->access_information.out.access_flags = f->access_mask;
370 case RAW_FILEINFO_MODE_INFORMATION:
371 info->mode_information.out.mode = h->mode;