first public release of samba4 code
[tprouty/samba.git] / source4 / libcli / raw / rawfileinfo.c
1 /* 
2    Unix SMB/CIFS implementation.
3    client trans2 operations
4    Copyright (C) James Myers 2003
5    Copyright (C) Andrew Tridgell 2003
6    
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or
10    (at your option) any later version.
11    
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16    
17    You should have received a copy of the GNU General Public License
18    along with this program; if not, write to the Free Software
19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21
22 #include "includes.h"
23
24 /* local macros to make the code more readable */
25 #define FINFO_CHECK_MIN_SIZE(size) if (blob->length < (size)) { \
26       DEBUG(1,("Unexpected FILEINFO reply size %d for level %u - expected min of %d\n", \
27                blob->length, parms->generic.level, (size))); \
28       return NT_STATUS_INFO_LENGTH_MISMATCH; \
29 }
30 #define FINFO_CHECK_SIZE(size) if (blob->length != (size)) { \
31       DEBUG(1,("Unexpected FILEINFO reply size %d for level %u - expected %d\n", \
32                blob->length, parms->generic.level, (size))); \
33       return NT_STATUS_INFO_LENGTH_MISMATCH; \
34 }
35
36 /****************************************************************************
37  Handle qfileinfo/qpathinfo trans2 backend.
38 ****************************************************************************/
39 static NTSTATUS smb_raw_info_backend(struct cli_session *session,
40                                      TALLOC_CTX *mem_ctx,
41                                      union smb_fileinfo *parms, 
42                                      DATA_BLOB *blob)
43 {       
44         uint_t len, ofs;
45
46         switch (parms->generic.level) {
47         case RAW_FILEINFO_GENERIC:
48         case RAW_FILEINFO_GETATTR:
49         case RAW_FILEINFO_GETATTRE:
50                 /* not handled here */
51                 return NT_STATUS_INVALID_LEVEL;
52
53         case RAW_FILEINFO_STANDARD:
54                 FINFO_CHECK_SIZE(22);
55                 parms->standard.out.create_time = make_unix_date2(blob->data +  0);
56                 parms->standard.out.access_time = make_unix_date2(blob->data +  4);
57                 parms->standard.out.write_time =  make_unix_date2(blob->data +  8);
58                 parms->standard.out.size =        IVAL(blob->data,             12);
59                 parms->standard.out.alloc_size =  IVAL(blob->data,             16);
60                 parms->standard.out.attrib =      SVAL(blob->data,             20);
61                 return NT_STATUS_OK;
62
63         case RAW_FILEINFO_EA_SIZE:
64                 FINFO_CHECK_SIZE(26);
65                 parms->ea_size.out.create_time = make_unix_date2(blob->data +  0);
66                 parms->ea_size.out.access_time = make_unix_date2(blob->data +  4);
67                 parms->ea_size.out.write_time =  make_unix_date2(blob->data +  8);
68                 parms->ea_size.out.size =        IVAL(blob->data,             12);
69                 parms->ea_size.out.alloc_size =  IVAL(blob->data,             16);
70                 parms->ea_size.out.attrib =      SVAL(blob->data,             20);
71                 parms->ea_size.out.ea_size =     IVAL(blob->data,             22);
72                 return NT_STATUS_OK;
73
74         case RAW_FILEINFO_ALL_EAS:
75                 FINFO_CHECK_MIN_SIZE(4);
76                 return ea_pull_list(blob, mem_ctx, 
77                                     &parms->all_eas.out.num_eas,
78                                     &parms->all_eas.out.eas);
79
80         case RAW_FILEINFO_IS_NAME_VALID:
81                 /* no data! */
82                 FINFO_CHECK_SIZE(0);
83                 return NT_STATUS_OK;
84
85         case RAW_FILEINFO_BASIC_INFO:
86         case RAW_FILEINFO_BASIC_INFORMATION:
87                 /* some servers return 40 bytes and some 36. w2k3 return 40, so thats
88                    what we should do, but we need to accept 36 */
89                 if (blob->length != 36) {
90                         FINFO_CHECK_SIZE(40);
91                 }
92                 parms->basic_info.out.create_time = cli_pull_nttime(blob->data, 0);
93                 parms->basic_info.out.access_time = cli_pull_nttime(blob->data, 8);
94                 parms->basic_info.out.write_time =  cli_pull_nttime(blob->data, 16);
95                 parms->basic_info.out.change_time = cli_pull_nttime(blob->data, 24);
96                 parms->basic_info.out.attrib =                 IVAL(blob->data, 32);
97                 return NT_STATUS_OK;
98
99         case RAW_FILEINFO_STANDARD_INFO:
100         case RAW_FILEINFO_STANDARD_INFORMATION:
101                 FINFO_CHECK_SIZE(24);
102                 parms->standard_info.out.alloc_size =     BVAL(blob->data, 0);
103                 parms->standard_info.out.size =           BVAL(blob->data, 8);
104                 parms->standard_info.out.nlink =          IVAL(blob->data, 16);
105                 parms->standard_info.out.delete_pending = CVAL(blob->data, 20);
106                 parms->standard_info.out.directory =      CVAL(blob->data, 21);
107                 return NT_STATUS_OK;
108
109         case RAW_FILEINFO_EA_INFO:
110         case RAW_FILEINFO_EA_INFORMATION:
111                 FINFO_CHECK_SIZE(4);
112                 parms->ea_info.out.ea_size = IVAL(blob->data, 0);
113                 return NT_STATUS_OK;
114
115         case RAW_FILEINFO_NAME_INFO:
116         case RAW_FILEINFO_NAME_INFORMATION:
117                 FINFO_CHECK_MIN_SIZE(4);
118                 cli_blob_pull_string(session, mem_ctx, blob, 
119                                      &parms->name_info.out.fname, 0, 4, STR_UNICODE);
120                 return NT_STATUS_OK;
121
122         case RAW_FILEINFO_ALL_INFO:
123         case RAW_FILEINFO_ALL_INFORMATION:
124                 FINFO_CHECK_MIN_SIZE(72);
125                 parms->all_info.out.create_time =           cli_pull_nttime(blob->data, 0);
126                 parms->all_info.out.access_time =           cli_pull_nttime(blob->data, 8);
127                 parms->all_info.out.write_time =            cli_pull_nttime(blob->data, 16);
128                 parms->all_info.out.change_time =           cli_pull_nttime(blob->data, 24);
129                 parms->all_info.out.attrib =                IVAL(blob->data, 32);
130                 parms->all_info.out.alloc_size =            BVAL(blob->data, 40);
131                 parms->all_info.out.size =                  BVAL(blob->data, 48);
132                 parms->all_info.out.nlink =                 IVAL(blob->data, 56);
133                 parms->all_info.out.delete_pending =        CVAL(blob->data, 60);
134                 parms->all_info.out.directory =             CVAL(blob->data, 61);
135                 parms->all_info.out.ea_size =               IVAL(blob->data, 64);
136                 cli_blob_pull_string(session, mem_ctx, blob,
137                                      &parms->all_info.out.fname, 68, 72, STR_UNICODE);
138                 return NT_STATUS_OK;
139
140         case RAW_FILEINFO_ALT_NAME_INFO:
141         case RAW_FILEINFO_ALT_NAME_INFORMATION:
142                 FINFO_CHECK_MIN_SIZE(4);
143                 cli_blob_pull_string(session, mem_ctx, blob, 
144                                      &parms->alt_name_info.out.fname, 0, 4, STR_UNICODE);
145                 return NT_STATUS_OK;
146
147         case RAW_FILEINFO_STREAM_INFO:
148         case RAW_FILEINFO_STREAM_INFORMATION:
149                 FINFO_CHECK_MIN_SIZE(0);
150                 ofs = 0;
151                 parms->stream_info.out.num_streams = 0;
152                 parms->stream_info.out.streams = NULL;
153
154                 while (blob->length - ofs >= 24) {
155                         uint_t n = parms->stream_info.out.num_streams;
156                         parms->stream_info.out.streams = 
157                                 talloc_realloc(mem_ctx,parms->stream_info.out.streams,
158                                                (n+1) * sizeof(parms->stream_info.out.streams[0]));
159                         if (!parms->stream_info.out.streams) {
160                                 return NT_STATUS_NO_MEMORY;
161                         }
162                         parms->stream_info.out.streams[n].size =       BVAL(blob->data, ofs +  8);
163                         parms->stream_info.out.streams[n].alloc_size = BVAL(blob->data, ofs + 16);
164                         cli_blob_pull_string(session, mem_ctx, blob, 
165                                              &parms->stream_info.out.streams[n].stream_name, 
166                                              ofs+4, ofs+24, STR_UNICODE);
167                         parms->stream_info.out.num_streams++;
168                         len = IVAL(blob->data, ofs);
169                         if (len > blob->length - ofs) return NT_STATUS_INFO_LENGTH_MISMATCH;
170                         if (len == 0) break;
171                         ofs += len;
172                 }
173                 return NT_STATUS_OK;
174
175         case RAW_FILEINFO_INTERNAL_INFORMATION:
176                 FINFO_CHECK_SIZE(8);
177                 parms->internal_information.out.device = IVAL(blob->data, 0);
178                 parms->internal_information.out.inode =  IVAL(blob->data, 4);
179                 return NT_STATUS_OK;
180
181         case RAW_FILEINFO_ACCESS_INFORMATION:
182                 FINFO_CHECK_SIZE(4);
183                 parms->access_information.out.access_flags = IVAL(blob->data, 0);
184                 return NT_STATUS_OK;
185
186         case RAW_FILEINFO_POSITION_INFORMATION:
187                 FINFO_CHECK_SIZE(8);
188                 parms->position_information.out.position = BVAL(blob->data, 0);
189                 return NT_STATUS_OK;
190
191         case RAW_FILEINFO_MODE_INFORMATION:
192                 FINFO_CHECK_SIZE(4);
193                 parms->mode_information.out.mode = IVAL(blob->data, 0);
194                 return NT_STATUS_OK;
195
196         case RAW_FILEINFO_ALIGNMENT_INFORMATION:
197                 FINFO_CHECK_SIZE(4);
198                 parms->alignment_information.out.alignment_requirement 
199                         = IVAL(blob->data, 0);
200                 return NT_STATUS_OK;
201
202         case RAW_FILEINFO_COMPRESSION_INFO:
203         case RAW_FILEINFO_COMPRESSION_INFORMATION:
204                 FINFO_CHECK_SIZE(16);
205                 parms->compression_info.out.compressed_size = BVAL(blob->data,  0);
206                 parms->compression_info.out.format          = SVAL(blob->data,  8);
207                 parms->compression_info.out.unit_shift      = CVAL(blob->data, 10);
208                 parms->compression_info.out.chunk_shift     = CVAL(blob->data, 11);
209                 parms->compression_info.out.cluster_shift   = CVAL(blob->data, 12);
210                 /* 3 bytes of padding */
211                 return NT_STATUS_OK;
212
213         case RAW_FILEINFO_UNIX_BASIC:
214                 FINFO_CHECK_SIZE(100);
215                 parms->unix_basic_info.out.end_of_file        =            BVAL(blob->data,  0);
216                 parms->unix_basic_info.out.num_bytes          =            BVAL(blob->data,  8);
217                 parms->unix_basic_info.out.status_change_time = cli_pull_nttime(blob->data, 16);
218                 parms->unix_basic_info.out.access_time        = cli_pull_nttime(blob->data, 24);
219                 parms->unix_basic_info.out.change_time        = cli_pull_nttime(blob->data, 32);
220                 parms->unix_basic_info.out.uid                =            BVAL(blob->data, 40);
221                 parms->unix_basic_info.out.gid                =            BVAL(blob->data, 48);
222                 parms->unix_basic_info.out.file_type          =            IVAL(blob->data, 52);
223                 parms->unix_basic_info.out.dev_major          =            BVAL(blob->data, 60);
224                 parms->unix_basic_info.out.dev_minor          =            BVAL(blob->data, 68);
225                 parms->unix_basic_info.out.unique_id          =            BVAL(blob->data, 76);
226                 parms->unix_basic_info.out.permissions        =            BVAL(blob->data, 84);
227                 parms->unix_basic_info.out.nlink              =            BVAL(blob->data, 92);
228                 return NT_STATUS_OK;
229
230         case RAW_FILEINFO_UNIX_LINK:
231                 FINFO_CHECK_MIN_SIZE(0);
232                 cli_blob_pull_string(session, mem_ctx, blob, 
233                                      &parms->unix_link_info.out.link_dest, 0, 4, STR_UNICODE);
234                 return NT_STATUS_OK;
235                 
236         case RAW_FILEINFO_NETWORK_OPEN_INFORMATION:             
237                 FINFO_CHECK_SIZE(56);
238                 parms->network_open_information.out.create_time = cli_pull_nttime(blob->data,  0);
239                 parms->network_open_information.out.access_time = cli_pull_nttime(blob->data,  8);
240                 parms->network_open_information.out.write_time =  cli_pull_nttime(blob->data, 16);
241                 parms->network_open_information.out.change_time = cli_pull_nttime(blob->data, 24);
242                 parms->network_open_information.out.alloc_size =             BVAL(blob->data, 32);
243                 parms->network_open_information.out.size =                   BVAL(blob->data, 40);
244                 parms->network_open_information.out.attrib =                 IVAL(blob->data, 48);
245                 return NT_STATUS_OK;
246
247         case RAW_FILEINFO_ATTRIBUTE_TAG_INFORMATION:
248                 FINFO_CHECK_SIZE(8);
249                 parms->attribute_tag_information.out.attrib =      IVAL(blob->data, 0);
250                 parms->attribute_tag_information.out.reparse_tag = IVAL(blob->data, 4);
251                 return NT_STATUS_OK;
252         }
253
254         return NT_STATUS_INVALID_LEVEL;
255 }
256
257 /****************************************************************************
258  Very raw query file info - returns param/data blobs - (async send)
259 ****************************************************************************/
260 static struct cli_request *smb_raw_fileinfo_blob_send(struct cli_tree *tree,
261                                                       uint16 fnum, uint16 info_level)
262 {
263         struct smb_trans2 tp;
264         uint16 setup = TRANSACT2_QFILEINFO;
265         struct cli_request *req;
266         TALLOC_CTX *mem_ctx = talloc_init("raw_fileinfo");
267         
268         tp.in.max_setup = 0;
269         tp.in.flags = 0; 
270         tp.in.timeout = 0;
271         tp.in.setup_count = 1;
272         tp.in.data = data_blob(NULL, 0);
273         tp.in.max_param = 2;
274         tp.in.max_data = 0xFFFF;
275         tp.in.setup = &setup;
276         
277         tp.in.params = data_blob_talloc(mem_ctx, NULL, 4);
278         if (!tp.in.params.data) {
279                 talloc_destroy(mem_ctx);
280                 return NULL;
281         }
282
283         SIVAL(tp.in.params.data, 0, fnum);
284         SSVAL(tp.in.params.data, 2, info_level);
285
286         req = smb_raw_trans2_send(tree, &tp);
287
288         talloc_destroy(mem_ctx);
289
290         return req;
291 }
292
293
294 /****************************************************************************
295  Very raw query file info - returns param/data blobs - (async recv)
296 ****************************************************************************/
297 static NTSTATUS smb_raw_fileinfo_blob_recv(struct cli_request *req,
298                                            TALLOC_CTX *mem_ctx,
299                                            DATA_BLOB *blob)
300 {
301         struct smb_trans2 tp;
302         NTSTATUS status = smb_raw_trans2_recv(req, mem_ctx, &tp);
303         if (NT_STATUS_IS_OK(status)) {
304                 *blob = tp.out.data;
305         }
306         return status;
307 }
308
309 /****************************************************************************
310  Very raw query path info - returns param/data blobs (async send)
311 ****************************************************************************/
312 static struct cli_request *smb_raw_pathinfo_blob_send(struct cli_tree *tree,
313                                                       const char *fname,
314                                                       uint16 info_level)
315 {
316         struct smb_trans2 tp;
317         uint16 setup = TRANSACT2_QPATHINFO;
318         struct cli_request *req;
319         TALLOC_CTX *mem_ctx = talloc_init("raw_pathinfo");
320
321         tp.in.max_setup = 0;
322         tp.in.flags = 0; 
323         tp.in.timeout = 0;
324         tp.in.setup_count = 1;
325         tp.in.data = data_blob(NULL, 0);
326         tp.in.max_param = 2;
327         tp.in.max_data = 0xFFFF;
328         tp.in.setup = &setup;
329         
330         tp.in.params = data_blob_talloc(mem_ctx, NULL, 6);
331         if (!tp.in.params.data) {
332                 talloc_destroy(mem_ctx);
333                 return NULL;
334         }
335
336         SSVAL(tp.in.params.data, 0, info_level);
337         SIVAL(tp.in.params.data, 2, 0);
338         cli_blob_append_string(tree->session, mem_ctx, &tp.in.params,
339                                fname, STR_TERMINATE);
340         
341         req = smb_raw_trans2_send(tree, &tp);
342
343         talloc_destroy(mem_ctx);
344
345         return req;
346 }
347
348 /****************************************************************************
349  send a SMBgetatr (async send)
350 ****************************************************************************/
351 static struct cli_request *smb_raw_getattr_send(struct cli_tree *tree,
352                                                 union smb_fileinfo *parms)
353 {
354         struct cli_request *req;
355         
356         req = cli_request_setup(tree, SMBgetatr, 0, 0);
357         if (!req) return NULL;
358
359         cli_req_append_ascii4(req, parms->getattr.in.fname, STR_TERMINATE);
360         
361         if (!cli_request_send(req)) {
362                 cli_request_destroy(req);
363                 return NULL;
364         }
365
366         return req;
367 }
368
369 /****************************************************************************
370  send a SMBgetatr (async recv)
371 ****************************************************************************/
372 static NTSTATUS smb_raw_getattr_recv(struct cli_request *req,
373                                      union smb_fileinfo *parms)
374 {
375         if (!cli_request_receive(req) ||
376             cli_request_is_error(req)) {
377                 return cli_request_destroy(req);
378         }
379
380         CLI_CHECK_WCT(req, 10);
381         parms->getattr.out.attrib =     SVAL(req->in.vwv, VWV(0));
382         parms->getattr.out.write_time = make_unix_date3(req->in.vwv + VWV(1));
383         parms->getattr.out.size =       IVAL(req->in.vwv, VWV(3));
384
385 failed:
386         return cli_request_destroy(req);
387 }
388
389
390 /****************************************************************************
391  Handle SMBgetattrE (async send)
392 ****************************************************************************/
393 static struct cli_request *smb_raw_getattrE_send(struct cli_tree *tree,
394                                                  union smb_fileinfo *parms)
395 {
396         struct cli_request *req;
397         
398         req = cli_request_setup(tree, SMBgetattrE, 1, 0);
399         if (!req) return NULL;
400         
401         SSVAL(req->out.vwv, VWV(0), parms->getattre.in.fnum);
402         if (!cli_request_send(req)) {
403                 cli_request_destroy(req);
404                 return NULL;
405         }
406
407         return req;
408 }
409
410 /****************************************************************************
411  Handle SMBgetattrE (async send)
412 ****************************************************************************/
413 static NTSTATUS smb_raw_getattrE_recv(struct cli_request *req,
414                                       union smb_fileinfo *parms)
415 {
416         if (!cli_request_receive(req) ||
417             cli_request_is_error(req)) {
418                 return cli_request_destroy(req);
419         }
420         
421         CLI_CHECK_WCT(req, 11);
422         parms->getattre.out.create_time =      make_unix_date2(req->in.vwv + VWV(0));
423         parms->getattre.out.access_time =      make_unix_date2(req->in.vwv + VWV(2));
424         parms->getattre.out.write_time  =      make_unix_date2(req->in.vwv + VWV(4));
425         parms->getattre.out.size =       IVAL(req->in.vwv, VWV(6));
426         parms->getattre.out.alloc_size = IVAL(req->in.vwv, VWV(8));
427         parms->getattre.out.attrib =     SVAL(req->in.vwv, VWV(10));
428
429 failed:
430         return cli_request_destroy(req);
431 }
432
433
434 /****************************************************************************
435  Query file info (async send)
436 ****************************************************************************/
437 struct cli_request *smb_raw_fileinfo_send(struct cli_tree *tree,
438                                           union smb_fileinfo *parms)
439 {
440         /* pass off the non-trans2 level to specialised functions */
441         if (parms->generic.level == RAW_FILEINFO_GETATTRE) {
442                 return smb_raw_getattrE_send(tree, parms);
443         }
444         if (parms->generic.level >= RAW_FILEINFO_GENERIC) {
445                 return NULL;
446         }
447
448         return smb_raw_fileinfo_blob_send(tree, 
449                                           parms->generic.in.fnum,
450                                           parms->generic.level);
451 }
452
453 /****************************************************************************
454  Query file info (async recv)
455 ****************************************************************************/
456 NTSTATUS smb_raw_fileinfo_recv(struct cli_request *req,
457                                TALLOC_CTX *mem_ctx,
458                                union smb_fileinfo *parms)
459 {
460         DATA_BLOB blob;
461         NTSTATUS status;
462         struct cli_session *session = req?req->session:NULL;
463
464         if (parms->generic.level == RAW_FILEINFO_GETATTRE) {
465                 return smb_raw_getattrE_recv(req, parms);
466         }
467         if (parms->generic.level == RAW_FILEINFO_GETATTR) {
468                 return smb_raw_getattr_recv(req, parms);
469         }
470
471         status = smb_raw_fileinfo_blob_recv(req, mem_ctx, &blob);
472         if (!NT_STATUS_IS_OK(status)) {
473                 return status;
474         }
475
476         return smb_raw_info_backend(session, mem_ctx, parms, &blob);
477 }
478
479 /****************************************************************************
480  Query file info (sync interface)
481 ****************************************************************************/
482 NTSTATUS smb_raw_fileinfo(struct cli_tree *tree,
483                           TALLOC_CTX *mem_ctx,
484                           union smb_fileinfo *parms)
485 {
486         struct cli_request *req = smb_raw_fileinfo_send(tree, parms);
487         return smb_raw_fileinfo_recv(req, mem_ctx, parms);
488 }
489
490 /****************************************************************************
491  Query path info (async send)
492 ****************************************************************************/
493 struct cli_request *smb_raw_pathinfo_send(struct cli_tree *tree,
494                                           union smb_fileinfo *parms)
495 {
496         if (parms->generic.level == RAW_FILEINFO_GETATTR) {
497                 return smb_raw_getattr_send(tree, parms);
498         }
499         if (parms->generic.level >= RAW_FILEINFO_GENERIC) {
500                 return NULL;
501         }
502         
503         return smb_raw_pathinfo_blob_send(tree, parms->generic.in.fname,
504                                           parms->generic.level);
505 }
506
507 /****************************************************************************
508  Query path info (async recv)
509 ****************************************************************************/
510 NTSTATUS smb_raw_pathinfo_recv(struct cli_request *req,
511                                TALLOC_CTX *mem_ctx,
512                                union smb_fileinfo *parms)
513 {
514         /* recv is idential to fileinfo */
515         return smb_raw_fileinfo_recv(req, mem_ctx, parms);
516 }
517
518 /****************************************************************************
519  Query path info (sync interface)
520 ****************************************************************************/
521 NTSTATUS smb_raw_pathinfo(struct cli_tree *tree,
522                           TALLOC_CTX *mem_ctx,
523                           union smb_fileinfo *parms)
524 {
525         struct cli_request *req = smb_raw_pathinfo_send(tree, parms);
526         return smb_raw_pathinfo_recv(req, mem_ctx, parms);
527 }