s3-secdesc: remove "typedef struct security_descriptor SEC_DESC".
[kai/samba.git] / source3 / smbd / nttrans.c
1 /*
2    Unix SMB/CIFS implementation.
3    SMB NT transaction handling
4    Copyright (C) Jeremy Allison                 1994-2007
5    Copyright (C) Stefan (metze) Metzmacher      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 3 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, see <http://www.gnu.org/licenses/>.
19 */
20
21 #include "includes.h"
22 #include "smbd/globals.h"
23
24 extern const struct generic_mapping file_generic_mapping;
25
26 static char *nttrans_realloc(char **ptr, size_t size)
27 {
28         if (ptr==NULL) {
29                 smb_panic("nttrans_realloc() called with NULL ptr");
30         }
31
32         *ptr = (char *)SMB_REALLOC(*ptr, size);
33         if(*ptr == NULL) {
34                 return NULL;
35         }
36         memset(*ptr,'\0',size);
37         return *ptr;
38 }
39
40 /****************************************************************************
41  Send the required number of replies back.
42  We assume all fields other than the data fields are
43  set correctly for the type of call.
44  HACK ! Always assumes smb_setup field is zero.
45 ****************************************************************************/
46
47 void send_nt_replies(connection_struct *conn,
48                         struct smb_request *req, NTSTATUS nt_error,
49                      char *params, int paramsize,
50                      char *pdata, int datasize)
51 {
52         int data_to_send = datasize;
53         int params_to_send = paramsize;
54         int useable_space;
55         char *pp = params;
56         char *pd = pdata;
57         int params_sent_thistime, data_sent_thistime, total_sent_thistime;
58         int alignment_offset = 3;
59         int data_alignment_offset = 0;
60         struct smbd_server_connection *sconn = smbd_server_conn;
61         int max_send = sconn->smb1.sessions.max_send;
62
63         /*
64          * If there genuinely are no parameters or data to send just send
65          * the empty packet.
66          */
67
68         if(params_to_send == 0 && data_to_send == 0) {
69                 reply_outbuf(req, 18, 0);
70                 if (NT_STATUS_V(nt_error)) {
71                         error_packet_set((char *)req->outbuf,
72                                          0, 0, nt_error,
73                                          __LINE__,__FILE__);
74                 }
75                 show_msg((char *)req->outbuf);
76                 if (!srv_send_smb(smbd_server_fd(),
77                                 (char *)req->outbuf,
78                                 true, req->seqnum+1,
79                                 IS_CONN_ENCRYPTED(conn),
80                                 &req->pcd)) {
81                         exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
82                 }
83                 TALLOC_FREE(req->outbuf);
84                 return;
85         }
86
87         /*
88          * When sending params and data ensure that both are nicely aligned.
89          * Only do this alignment when there is also data to send - else
90          * can cause NT redirector problems.
91          */
92
93         if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
94                 data_alignment_offset = 4 - (params_to_send % 4);
95         }
96
97         /*
98          * Space is bufsize minus Netbios over TCP header minus SMB header.
99          * The alignment_offset is to align the param bytes on a four byte
100          * boundary (2 bytes for data len, one byte pad).
101          * NT needs this to work correctly.
102          */
103
104         useable_space = max_send - (smb_size
105                                     + 2 * 18 /* wct */
106                                     + alignment_offset
107                                     + data_alignment_offset);
108
109         if (useable_space < 0) {
110                 char *msg = talloc_asprintf(
111                         talloc_tos(),
112                         "send_nt_replies failed sanity useable_space = %d!!!",
113                         useable_space);
114                 DEBUG(0, ("%s\n", msg));
115                 exit_server_cleanly(msg);
116         }
117
118         while (params_to_send || data_to_send) {
119
120                 /*
121                  * Calculate whether we will totally or partially fill this packet.
122                  */
123
124                 total_sent_thistime = params_to_send + data_to_send;
125
126                 /*
127                  * We can never send more than useable_space.
128                  */
129
130                 total_sent_thistime = MIN(total_sent_thistime, useable_space);
131
132                 reply_outbuf(req, 18,
133                              total_sent_thistime + alignment_offset
134                              + data_alignment_offset);
135
136                 /*
137                  * We might have had SMBnttranss in req->inbuf, fix that.
138                  */
139                 SCVAL(req->outbuf, smb_com, SMBnttrans);
140
141                 /*
142                  * Set total params and data to be sent.
143                  */
144
145                 SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
146                 SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
147
148                 /*
149                  * Calculate how many parameters and data we can fit into
150                  * this packet. Parameters get precedence.
151                  */
152
153                 params_sent_thistime = MIN(params_to_send,useable_space);
154                 data_sent_thistime = useable_space - params_sent_thistime;
155                 data_sent_thistime = MIN(data_sent_thistime,data_to_send);
156
157                 SIVAL(req->outbuf, smb_ntr_ParameterCount,
158                       params_sent_thistime);
159
160                 if(params_sent_thistime == 0) {
161                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
162                         SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
163                 } else {
164                         /*
165                          * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
166                          * parameter bytes, however the first 4 bytes of outbuf are
167                          * the Netbios over TCP header. Thus use smb_base() to subtract
168                          * them from the calculation.
169                          */
170
171                         SIVAL(req->outbuf,smb_ntr_ParameterOffset,
172                               ((smb_buf(req->outbuf)+alignment_offset)
173                                - smb_base(req->outbuf)));
174                         /*
175                          * Absolute displacement of param bytes sent in this packet.
176                          */
177
178                         SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
179                               pp - params);
180                 }
181
182                 /*
183                  * Deal with the data portion.
184                  */
185
186                 SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
187
188                 if(data_sent_thistime == 0) {
189                         SIVAL(req->outbuf,smb_ntr_DataOffset,0);
190                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
191                 } else {
192                         /*
193                          * The offset of the data bytes is the offset of the
194                          * parameter bytes plus the number of parameters being sent this time.
195                          */
196
197                         SIVAL(req->outbuf, smb_ntr_DataOffset,
198                               ((smb_buf(req->outbuf)+alignment_offset) -
199                                smb_base(req->outbuf))
200                               + params_sent_thistime + data_alignment_offset);
201                         SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
202                 }
203
204                 /*
205                  * Copy the param bytes into the packet.
206                  */
207
208                 if(params_sent_thistime) {
209                         if (alignment_offset != 0) {
210                                 memset(smb_buf(req->outbuf), 0,
211                                        alignment_offset);
212                         }
213                         memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
214                                params_sent_thistime);
215                 }
216
217                 /*
218                  * Copy in the data bytes
219                  */
220
221                 if(data_sent_thistime) {
222                         if (data_alignment_offset != 0) {
223                                 memset((smb_buf(req->outbuf)+alignment_offset+
224                                         params_sent_thistime), 0,
225                                        data_alignment_offset);
226                         }
227                         memcpy(smb_buf(req->outbuf)+alignment_offset
228                                +params_sent_thistime+data_alignment_offset,
229                                pd,data_sent_thistime);
230                 }
231
232                 DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
233                         params_sent_thistime, data_sent_thistime, useable_space));
234                 DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
235                         params_to_send, data_to_send, paramsize, datasize));
236
237                 if (NT_STATUS_V(nt_error)) {
238                         error_packet_set((char *)req->outbuf,
239                                          0, 0, nt_error,
240                                          __LINE__,__FILE__);
241                 }
242
243                 /* Send the packet */
244                 show_msg((char *)req->outbuf);
245                 if (!srv_send_smb(smbd_server_fd(),
246                                 (char *)req->outbuf,
247                                 true, req->seqnum+1,
248                                 IS_CONN_ENCRYPTED(conn),
249                                 &req->pcd)) {
250                         exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
251                 }
252
253                 TALLOC_FREE(req->outbuf);
254
255                 pp += params_sent_thistime;
256                 pd += data_sent_thistime;
257
258                 params_to_send -= params_sent_thistime;
259                 data_to_send -= data_sent_thistime;
260
261                 /*
262                  * Sanity check
263                  */
264
265                 if(params_to_send < 0 || data_to_send < 0) {
266                         DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
267                                 params_to_send, data_to_send));
268                         exit_server_cleanly("send_nt_replies: internal error");
269                 }
270         }
271 }
272
273 /****************************************************************************
274  Reply to an NT create and X call on a pipe
275 ****************************************************************************/
276
277 static void nt_open_pipe(char *fname, connection_struct *conn,
278                          struct smb_request *req, int *ppnum)
279 {
280         files_struct *fsp;
281         NTSTATUS status;
282
283         DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
284
285         /* Strip \\ off the name. */
286         fname++;
287
288         status = open_np_file(req, fname, &fsp);
289         if (!NT_STATUS_IS_OK(status)) {
290                 if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
291                         reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
292                                         ERRDOS, ERRbadpipe);
293                         return;
294                 }
295                 reply_nterror(req, status);
296                 return;
297         }
298
299         *ppnum = fsp->fnum;
300         return;
301 }
302
303 /****************************************************************************
304  Reply to an NT create and X call for pipes.
305 ****************************************************************************/
306
307 static void do_ntcreate_pipe_open(connection_struct *conn,
308                                   struct smb_request *req)
309 {
310         char *fname = NULL;
311         int pnum = -1;
312         char *p = NULL;
313         uint32 flags = IVAL(req->vwv+3, 1);
314         TALLOC_CTX *ctx = talloc_tos();
315
316         srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
317
318         if (!fname) {
319                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
320                                 ERRDOS, ERRbadpipe);
321                 return;
322         }
323         nt_open_pipe(fname, conn, req, &pnum);
324
325         if (req->outbuf) {
326                 /* error reply */
327                 return;
328         }
329
330         /*
331          * Deal with pipe return.
332          */
333
334         if (flags & EXTENDED_RESPONSE_REQUIRED) {
335                 /* This is very strange. We
336                  * return 50 words, but only set
337                  * the wcnt to 42 ? It's definately
338                  * what happens on the wire....
339                  */
340                 reply_outbuf(req, 50, 0);
341                 SCVAL(req->outbuf,smb_wct,42);
342         } else {
343                 reply_outbuf(req, 34, 0);
344         }
345
346         p = (char *)req->outbuf + smb_vwv2;
347         p++;
348         SSVAL(p,0,pnum);
349         p += 2;
350         SIVAL(p,0,FILE_WAS_OPENED);
351         p += 4;
352         p += 32;
353         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
354         p += 20;
355         /* File type. */
356         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
357         /* Device state. */
358         SSVAL(p,2, 0x5FF); /* ? */
359         p += 4;
360
361         if (flags & EXTENDED_RESPONSE_REQUIRED) {
362                 p += 25;
363                 SIVAL(p,0,FILE_GENERIC_ALL);
364                 /*
365                  * For pipes W2K3 seems to return
366                  * 0x12019B next.
367                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
368                  */
369                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
370         }
371
372         DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
373
374         chain_reply(req);
375 }
376
377 struct case_semantics_state {
378         connection_struct *conn;
379         bool case_sensitive;
380         bool case_preserve;
381         bool short_case_preserve;
382 };
383
384 /****************************************************************************
385  Restore case semantics.
386 ****************************************************************************/
387
388 static int restore_case_semantics(struct case_semantics_state *state)
389 {
390         state->conn->case_sensitive = state->case_sensitive;
391         state->conn->case_preserve = state->case_preserve;
392         state->conn->short_case_preserve = state->short_case_preserve;
393         return 0;
394 }
395
396 /****************************************************************************
397  Save case semantics.
398 ****************************************************************************/
399
400 static struct case_semantics_state *set_posix_case_semantics(TALLOC_CTX *mem_ctx,
401                                                 connection_struct *conn)
402 {
403         struct case_semantics_state *result;
404
405         if (!(result = talloc(mem_ctx, struct case_semantics_state))) {
406                 return NULL;
407         }
408
409         result->conn = conn;
410         result->case_sensitive = conn->case_sensitive;
411         result->case_preserve = conn->case_preserve;
412         result->short_case_preserve = conn->short_case_preserve;
413
414         /* Set to POSIX. */
415         conn->case_sensitive = True;
416         conn->case_preserve = True;
417         conn->short_case_preserve = True;
418
419         talloc_set_destructor(result, restore_case_semantics);
420
421         return result;
422 }
423
424 /****************************************************************************
425  Reply to an NT create and X call.
426 ****************************************************************************/
427
428 void reply_ntcreate_and_X(struct smb_request *req)
429 {
430         connection_struct *conn = req->conn;
431         struct smb_filename *smb_fname = NULL;
432         char *fname = NULL;
433         uint32 flags;
434         uint32 access_mask;
435         uint32 file_attributes;
436         uint32 share_access;
437         uint32 create_disposition;
438         uint32 create_options;
439         uint16 root_dir_fid;
440         uint64_t allocation_size;
441         /* Breakout the oplock request bits so we can set the
442            reply bits separately. */
443         uint32 fattr=0;
444         SMB_OFF_T file_len = 0;
445         int info = 0;
446         files_struct *fsp = NULL;
447         char *p = NULL;
448         struct timespec create_timespec;
449         struct timespec c_timespec;
450         struct timespec a_timespec;
451         struct timespec m_timespec;
452         struct timespec write_time_ts;
453         NTSTATUS status;
454         int oplock_request;
455         uint8_t oplock_granted = NO_OPLOCK_RETURN;
456         struct case_semantics_state *case_state = NULL;
457         TALLOC_CTX *ctx = talloc_tos();
458
459         START_PROFILE(SMBntcreateX);
460
461         if (req->wct < 24) {
462                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
463                 goto out;
464         }
465
466         flags = IVAL(req->vwv+3, 1);
467         access_mask = IVAL(req->vwv+7, 1);
468         file_attributes = IVAL(req->vwv+13, 1);
469         share_access = IVAL(req->vwv+15, 1);
470         create_disposition = IVAL(req->vwv+17, 1);
471         create_options = IVAL(req->vwv+19, 1);
472         root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
473
474         allocation_size = (uint64_t)IVAL(req->vwv+9, 1);
475 #ifdef LARGE_SMB_OFF_T
476         allocation_size |= (((uint64_t)IVAL(req->vwv+11, 1)) << 32);
477 #endif
478
479         srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
480                             STR_TERMINATE, &status);
481
482         if (!NT_STATUS_IS_OK(status)) {
483                 reply_nterror(req, status);
484                 goto out;
485         }
486
487         DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
488                   "file_attributes = 0x%x, share_access = 0x%x, "
489                   "create_disposition = 0x%x create_options = 0x%x "
490                   "root_dir_fid = 0x%x, fname = %s\n",
491                         (unsigned int)flags,
492                         (unsigned int)access_mask,
493                         (unsigned int)file_attributes,
494                         (unsigned int)share_access,
495                         (unsigned int)create_disposition,
496                         (unsigned int)create_options,
497                         (unsigned int)root_dir_fid,
498                         fname));
499
500         /*
501          * we need to remove ignored bits when they come directly from the client
502          * because we reuse some of them for internal stuff
503          */
504         create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
505
506         /*
507          * If it's an IPC, use the pipe handler.
508          */
509
510         if (IS_IPC(conn)) {
511                 if (lp_nt_pipe_support()) {
512                         do_ntcreate_pipe_open(conn, req);
513                         goto out;
514                 }
515                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
516                 goto out;
517         }
518
519         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
520         if (oplock_request) {
521                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
522                         ? BATCH_OPLOCK : 0;
523         }
524
525         if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
526                 case_state = set_posix_case_semantics(ctx, conn);
527                 if (!case_state) {
528                         reply_nterror(req, NT_STATUS_NO_MEMORY);
529                         goto out;
530                 }
531         }
532
533         status = filename_convert(ctx,
534                                 conn,
535                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
536                                 fname,
537                                 0,
538                                 NULL,
539                                 &smb_fname);
540
541         TALLOC_FREE(case_state);
542
543         if (!NT_STATUS_IS_OK(status)) {
544                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
545                         reply_botherror(req,
546                                 NT_STATUS_PATH_NOT_COVERED,
547                                 ERRSRV, ERRbadpath);
548                         goto out;
549                 }
550                 reply_nterror(req, status);
551                 goto out;
552         }
553
554         /*
555          * Bug #6898 - clients using Windows opens should
556          * never be able to set this attribute into the
557          * VFS.
558          */
559         file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
560
561         status = SMB_VFS_CREATE_FILE(
562                 conn,                                   /* conn */
563                 req,                                    /* req */
564                 root_dir_fid,                           /* root_dir_fid */
565                 smb_fname,                              /* fname */
566                 access_mask,                            /* access_mask */
567                 share_access,                           /* share_access */
568                 create_disposition,                     /* create_disposition*/
569                 create_options,                         /* create_options */
570                 file_attributes,                        /* file_attributes */
571                 oplock_request,                         /* oplock_request */
572                 allocation_size,                        /* allocation_size */
573                 0,                                      /* private_flags */
574                 NULL,                                   /* sd */
575                 NULL,                                   /* ea_list */
576                 &fsp,                                   /* result */
577                 &info);                                 /* pinfo */
578
579         if (!NT_STATUS_IS_OK(status)) {
580                 if (open_was_deferred(req->mid)) {
581                         /* We have re-scheduled this call, no error. */
582                         goto out;
583                 }
584                 reply_openerror(req, status);
585                 goto out;
586         }
587
588         /* Ensure we're pointing at the correct stat struct. */
589         TALLOC_FREE(smb_fname);
590         smb_fname = fsp->fsp_name;
591
592         /*
593          * If the caller set the extended oplock request bit
594          * and we granted one (by whatever means) - set the
595          * correct bit for extended oplock reply.
596          */
597
598         if (oplock_request &&
599             (lp_fake_oplocks(SNUM(conn))
600              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
601
602                 /*
603                  * Exclusive oplock granted
604                  */
605
606                 if (flags & REQUEST_BATCH_OPLOCK) {
607                         oplock_granted = BATCH_OPLOCK_RETURN;
608                 } else {
609                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
610                 }
611         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
612                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
613         } else {
614                 oplock_granted = NO_OPLOCK_RETURN;
615         }
616
617         file_len = smb_fname->st.st_ex_size;
618
619         if (flags & EXTENDED_RESPONSE_REQUIRED) {
620                 /* This is very strange. We
621                  * return 50 words, but only set
622                  * the wcnt to 42 ? It's definately
623                  * what happens on the wire....
624                  */
625                 reply_outbuf(req, 50, 0);
626                 SCVAL(req->outbuf,smb_wct,42);
627         } else {
628                 reply_outbuf(req, 34, 0);
629         }
630
631         p = (char *)req->outbuf + smb_vwv2;
632
633         SCVAL(p, 0, oplock_granted);
634
635         p++;
636         SSVAL(p,0,fsp->fnum);
637         p += 2;
638         if ((create_disposition == FILE_SUPERSEDE)
639             && (info == FILE_WAS_OVERWRITTEN)) {
640                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
641         } else {
642                 SIVAL(p,0,info);
643         }
644         p += 4;
645
646         fattr = dos_mode(conn, smb_fname);
647         if (fattr == 0) {
648                 fattr = FILE_ATTRIBUTE_NORMAL;
649         }
650
651         /* Deal with other possible opens having a modified
652            write time. JRA. */
653         ZERO_STRUCT(write_time_ts);
654         get_file_infos(fsp->file_id, NULL, &write_time_ts);
655         if (!null_timespec(write_time_ts)) {
656                 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
657         }
658
659         /* Create time. */
660         create_timespec = get_create_timespec(conn, fsp, smb_fname);
661         a_timespec = smb_fname->st.st_ex_atime;
662         m_timespec = smb_fname->st.st_ex_mtime;
663         c_timespec = get_change_timespec(conn, fsp, smb_fname);
664
665         if (lp_dos_filetime_resolution(SNUM(conn))) {
666                 dos_filetime_timespec(&create_timespec);
667                 dos_filetime_timespec(&a_timespec);
668                 dos_filetime_timespec(&m_timespec);
669                 dos_filetime_timespec(&c_timespec);
670         }
671
672         put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
673         p += 8;
674         put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
675         p += 8;
676         put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
677         p += 8;
678         put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
679         p += 8;
680         SIVAL(p,0,fattr); /* File Attributes. */
681         p += 4;
682         SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&smb_fname->st));
683         p += 8;
684         SOFF_T(p,0,file_len);
685         p += 8;
686         if (flags & EXTENDED_RESPONSE_REQUIRED) {
687                 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
688                 size_t num_names = 0;
689                 unsigned int num_streams;
690                 struct stream_struct *streams = NULL;
691
692                 /* Do we have any EA's ? */
693                 status = get_ea_names_from_file(ctx, conn, fsp,
694                                 smb_fname->base_name, NULL, &num_names);
695                 if (NT_STATUS_IS_OK(status) && num_names) {
696                         file_status &= ~NO_EAS;
697                 }
698                 status = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, ctx,
699                         &num_streams, &streams);
700                 /* There is always one stream, ::$DATA. */
701                 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
702                         file_status &= ~NO_SUBSTREAMS;
703                 }
704                 TALLOC_FREE(streams);
705                 SSVAL(p,2,file_status);
706         }
707         p += 4;
708         SCVAL(p,0,fsp->is_directory ? 1 : 0);
709
710         if (flags & EXTENDED_RESPONSE_REQUIRED) {
711                 uint32 perms = 0;
712                 p += 25;
713                 if (fsp->is_directory ||
714                     can_write_to_file(conn, smb_fname)) {
715                         perms = FILE_GENERIC_ALL;
716                 } else {
717                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
718                 }
719                 SIVAL(p,0,perms);
720         }
721
722         DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
723                 fsp->fnum, smb_fname_str_dbg(smb_fname)));
724
725         chain_reply(req);
726  out:
727         END_PROFILE(SMBntcreateX);
728         return;
729 }
730
731 /****************************************************************************
732  Reply to a NT_TRANSACT_CREATE call to open a pipe.
733 ****************************************************************************/
734
735 static void do_nt_transact_create_pipe(connection_struct *conn,
736                                        struct smb_request *req,
737                                        uint16 **ppsetup, uint32 setup_count,
738                                        char **ppparams, uint32 parameter_count,
739                                        char **ppdata, uint32 data_count)
740 {
741         char *fname = NULL;
742         char *params = *ppparams;
743         int pnum = -1;
744         char *p = NULL;
745         NTSTATUS status;
746         size_t param_len;
747         uint32 flags;
748         TALLOC_CTX *ctx = talloc_tos();
749
750         /*
751          * Ensure minimum number of parameters sent.
752          */
753
754         if(parameter_count < 54) {
755                 DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
756                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
757                 return;
758         }
759
760         flags = IVAL(params,0);
761
762         srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
763                         parameter_count-53, STR_TERMINATE,
764                         &status);
765         if (!NT_STATUS_IS_OK(status)) {
766                 reply_nterror(req, status);
767                 return;
768         }
769
770         nt_open_pipe(fname, conn, req, &pnum);
771
772         if (req->outbuf) {
773                 /* Error return */
774                 return;
775         }
776
777         /* Realloc the size of parameters and data we will return */
778         if (flags & EXTENDED_RESPONSE_REQUIRED) {
779                 /* Extended response is 32 more byyes. */
780                 param_len = 101;
781         } else {
782                 param_len = 69;
783         }
784         params = nttrans_realloc(ppparams, param_len);
785         if(params == NULL) {
786                 reply_nterror(req, NT_STATUS_NO_MEMORY);
787                 return;
788         }
789
790         p = params;
791         SCVAL(p,0,NO_OPLOCK_RETURN);
792
793         p += 2;
794         SSVAL(p,0,pnum);
795         p += 2;
796         SIVAL(p,0,FILE_WAS_OPENED);
797         p += 8;
798
799         p += 32;
800         SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
801         p += 20;
802         /* File type. */
803         SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
804         /* Device state. */
805         SSVAL(p,2, 0x5FF); /* ? */
806         p += 4;
807
808         if (flags & EXTENDED_RESPONSE_REQUIRED) {
809                 p += 25;
810                 SIVAL(p,0,FILE_GENERIC_ALL);
811                 /*
812                  * For pipes W2K3 seems to return
813                  * 0x12019B next.
814                  * This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
815                  */
816                 SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
817         }
818
819         DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
820
821         /* Send the required number of replies */
822         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
823
824         return;
825 }
826
827 /****************************************************************************
828  Internal fn to set security descriptors.
829 ****************************************************************************/
830
831 NTSTATUS set_sd(files_struct *fsp, uint8_t *data, uint32_t sd_len,
832                        uint32_t security_info_sent)
833 {
834         struct security_descriptor *psd = NULL;
835         NTSTATUS status;
836
837         if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
838                 return NT_STATUS_OK;
839         }
840
841         status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
842
843         if (!NT_STATUS_IS_OK(status)) {
844                 return status;
845         }
846
847         if (psd->owner_sid == NULL) {
848                 security_info_sent &= ~OWNER_SECURITY_INFORMATION;
849         }
850         if (psd->group_sid == NULL) {
851                 security_info_sent &= ~GROUP_SECURITY_INFORMATION;
852         }
853
854         /* Convert all the generic bits. */
855         security_acl_map_generic(psd->dacl, &file_generic_mapping);
856         security_acl_map_generic(psd->sacl, &file_generic_mapping);
857
858         if (DEBUGLEVEL >= 10) {
859                 DEBUG(10,("set_sd for file %s\n", fsp_str_dbg(fsp)));
860                 NDR_PRINT_DEBUG(security_descriptor, psd);
861         }
862
863         status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
864
865         TALLOC_FREE(psd);
866
867         return status;
868 }
869
870 /****************************************************************************
871  Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
872 ****************************************************************************/
873
874 struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
875 {
876         struct ea_list *ea_list_head = NULL;
877         size_t offset = 0;
878
879         if (data_size < 4) {
880                 return NULL;
881         }
882
883         while (offset + 4 <= data_size) {
884                 size_t next_offset = IVAL(pdata,offset);
885                 struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
886
887                 if (!eal) {
888                         return NULL;
889                 }
890
891                 DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
892                 if (next_offset == 0) {
893                         break;
894                 }
895                 offset += next_offset;
896         }
897
898         return ea_list_head;
899 }
900
901 /****************************************************************************
902  Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
903 ****************************************************************************/
904
905 static void call_nt_transact_create(connection_struct *conn,
906                                     struct smb_request *req,
907                                     uint16 **ppsetup, uint32 setup_count,
908                                     char **ppparams, uint32 parameter_count,
909                                     char **ppdata, uint32 data_count,
910                                     uint32 max_data_count)
911 {
912         struct smb_filename *smb_fname = NULL;
913         char *fname = NULL;
914         char *params = *ppparams;
915         char *data = *ppdata;
916         /* Breakout the oplock request bits so we can set the reply bits separately. */
917         uint32 fattr=0;
918         SMB_OFF_T file_len = 0;
919         int info = 0;
920         files_struct *fsp = NULL;
921         char *p = NULL;
922         uint32 flags;
923         uint32 access_mask;
924         uint32 file_attributes;
925         uint32 share_access;
926         uint32 create_disposition;
927         uint32 create_options;
928         uint32 sd_len;
929         struct security_descriptor *sd = NULL;
930         uint32 ea_len;
931         uint16 root_dir_fid;
932         struct timespec create_timespec;
933         struct timespec c_timespec;
934         struct timespec a_timespec;
935         struct timespec m_timespec;
936         struct timespec write_time_ts;
937         struct ea_list *ea_list = NULL;
938         NTSTATUS status;
939         size_t param_len;
940         uint64_t allocation_size;
941         int oplock_request;
942         uint8_t oplock_granted;
943         struct case_semantics_state *case_state = NULL;
944         TALLOC_CTX *ctx = talloc_tos();
945
946         DEBUG(5,("call_nt_transact_create\n"));
947
948         /*
949          * If it's an IPC, use the pipe handler.
950          */
951
952         if (IS_IPC(conn)) {
953                 if (lp_nt_pipe_support()) {
954                         do_nt_transact_create_pipe(
955                                 conn, req,
956                                 ppsetup, setup_count,
957                                 ppparams, parameter_count,
958                                 ppdata, data_count);
959                         goto out;
960                 }
961                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
962                 goto out;
963         }
964
965         /*
966          * Ensure minimum number of parameters sent.
967          */
968
969         if(parameter_count < 54) {
970                 DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
971                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
972                 goto out;
973         }
974
975         flags = IVAL(params,0);
976         access_mask = IVAL(params,8);
977         file_attributes = IVAL(params,20);
978         share_access = IVAL(params,24);
979         create_disposition = IVAL(params,28);
980         create_options = IVAL(params,32);
981         sd_len = IVAL(params,36);
982         ea_len = IVAL(params,40);
983         root_dir_fid = (uint16)IVAL(params,4);
984         allocation_size = (uint64_t)IVAL(params,12);
985 #ifdef LARGE_SMB_OFF_T
986         allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
987 #endif
988
989         /*
990          * we need to remove ignored bits when they come directly from the client
991          * because we reuse some of them for internal stuff
992          */
993         create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
994
995         /* Ensure the data_len is correct for the sd and ea values given. */
996         if ((ea_len + sd_len > data_count)
997             || (ea_len > data_count) || (sd_len > data_count)
998             || (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
999                 DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
1000                            "%u, data_count = %u\n", (unsigned int)ea_len,
1001                            (unsigned int)sd_len, (unsigned int)data_count));
1002                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1003                 goto out;
1004         }
1005
1006         if (sd_len) {
1007                 DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
1008                            sd_len));
1009
1010                 status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
1011                                              &sd);
1012                 if (!NT_STATUS_IS_OK(status)) {
1013                         DEBUG(10, ("call_nt_transact_create: "
1014                                    "unmarshall_sec_desc failed: %s\n",
1015                                    nt_errstr(status)));
1016                         reply_nterror(req, status);
1017                         goto out;
1018                 }
1019         }
1020
1021         if (ea_len) {
1022                 if (!lp_ea_support(SNUM(conn))) {
1023                         DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
1024                                    "EA's not supported.\n",
1025                                    (unsigned int)ea_len));
1026                         reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
1027                         goto out;
1028                 }
1029
1030                 if (ea_len < 10) {
1031                         DEBUG(10,("call_nt_transact_create - ea_len = %u - "
1032                                   "too small (should be more than 10)\n",
1033                                   (unsigned int)ea_len ));
1034                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1035                         goto out;
1036                 }
1037
1038                 /* We have already checked that ea_len <= data_count here. */
1039                 ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
1040                                                ea_len);
1041                 if (ea_list == NULL) {
1042                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1043                         goto out;
1044                 }
1045         }
1046
1047         srvstr_get_path(ctx, params, req->flags2, &fname,
1048                         params+53, parameter_count-53,
1049                         STR_TERMINATE, &status);
1050         if (!NT_STATUS_IS_OK(status)) {
1051                 reply_nterror(req, status);
1052                 goto out;
1053         }
1054
1055         if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1056                 case_state = set_posix_case_semantics(ctx, conn);
1057                 if (!case_state) {
1058                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1059                         goto out;
1060                 }
1061         }
1062
1063         status = filename_convert(ctx,
1064                                 conn,
1065                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1066                                 fname,
1067                                 0,
1068                                 NULL,
1069                                 &smb_fname);
1070
1071         TALLOC_FREE(case_state);
1072
1073         if (!NT_STATUS_IS_OK(status)) {
1074                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1075                         reply_botherror(req,
1076                                 NT_STATUS_PATH_NOT_COVERED,
1077                                 ERRSRV, ERRbadpath);
1078                         goto out;
1079                 }
1080                 reply_nterror(req, status);
1081                 goto out;
1082         }
1083
1084         oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1085         if (oplock_request) {
1086                 oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
1087                         ? BATCH_OPLOCK : 0;
1088         }
1089
1090         /*
1091          * Bug #6898 - clients using Windows opens should
1092          * never be able to set this attribute into the
1093          * VFS.
1094          */
1095         file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1096
1097         status = SMB_VFS_CREATE_FILE(
1098                 conn,                                   /* conn */
1099                 req,                                    /* req */
1100                 root_dir_fid,                           /* root_dir_fid */
1101                 smb_fname,                              /* fname */
1102                 access_mask,                            /* access_mask */
1103                 share_access,                           /* share_access */
1104                 create_disposition,                     /* create_disposition*/
1105                 create_options,                         /* create_options */
1106                 file_attributes,                        /* file_attributes */
1107                 oplock_request,                         /* oplock_request */
1108                 allocation_size,                        /* allocation_size */
1109                 0,                                      /* private_flags */
1110                 sd,                                     /* sd */
1111                 ea_list,                                /* ea_list */
1112                 &fsp,                                   /* result */
1113                 &info);                                 /* pinfo */
1114
1115         if(!NT_STATUS_IS_OK(status)) {
1116                 if (open_was_deferred(req->mid)) {
1117                         /* We have re-scheduled this call, no error. */
1118                         return;
1119                 }
1120                 reply_openerror(req, status);
1121                 goto out;
1122         }
1123
1124         /* Ensure we're pointing at the correct stat struct. */
1125         TALLOC_FREE(smb_fname);
1126         smb_fname = fsp->fsp_name;
1127
1128         /*
1129          * If the caller set the extended oplock request bit
1130          * and we granted one (by whatever means) - set the
1131          * correct bit for extended oplock reply.
1132          */
1133
1134         if (oplock_request &&
1135             (lp_fake_oplocks(SNUM(conn))
1136              || EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1137
1138                 /*
1139                  * Exclusive oplock granted
1140                  */
1141
1142                 if (flags & REQUEST_BATCH_OPLOCK) {
1143                         oplock_granted = BATCH_OPLOCK_RETURN;
1144                 } else {
1145                         oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1146                 }
1147         } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1148                 oplock_granted = LEVEL_II_OPLOCK_RETURN;
1149         } else {
1150                 oplock_granted = NO_OPLOCK_RETURN;
1151         }
1152
1153         file_len = smb_fname->st.st_ex_size;
1154
1155         /* Realloc the size of parameters and data we will return */
1156         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1157                 /* Extended response is 32 more byyes. */
1158                 param_len = 101;
1159         } else {
1160                 param_len = 69;
1161         }
1162         params = nttrans_realloc(ppparams, param_len);
1163         if(params == NULL) {
1164                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1165                 goto out;
1166         }
1167
1168         p = params;
1169         SCVAL(p, 0, oplock_granted);
1170
1171         p += 2;
1172         SSVAL(p,0,fsp->fnum);
1173         p += 2;
1174         if ((create_disposition == FILE_SUPERSEDE)
1175             && (info == FILE_WAS_OVERWRITTEN)) {
1176                 SIVAL(p,0,FILE_WAS_SUPERSEDED);
1177         } else {
1178                 SIVAL(p,0,info);
1179         }
1180         p += 8;
1181
1182         fattr = dos_mode(conn, smb_fname);
1183         if (fattr == 0) {
1184                 fattr = FILE_ATTRIBUTE_NORMAL;
1185         }
1186
1187         /* Deal with other possible opens having a modified
1188            write time. JRA. */
1189         ZERO_STRUCT(write_time_ts);
1190         get_file_infos(fsp->file_id, NULL, &write_time_ts);
1191         if (!null_timespec(write_time_ts)) {
1192                 update_stat_ex_mtime(&smb_fname->st, write_time_ts);
1193         }
1194
1195         /* Create time. */
1196         create_timespec = get_create_timespec(conn, fsp, smb_fname);
1197         a_timespec = smb_fname->st.st_ex_atime;
1198         m_timespec = smb_fname->st.st_ex_mtime;
1199         c_timespec = get_change_timespec(conn, fsp, smb_fname);
1200
1201         if (lp_dos_filetime_resolution(SNUM(conn))) {
1202                 dos_filetime_timespec(&create_timespec);
1203                 dos_filetime_timespec(&a_timespec);
1204                 dos_filetime_timespec(&m_timespec);
1205                 dos_filetime_timespec(&c_timespec);
1206         }
1207
1208         put_long_date_timespec(conn->ts_res, p, create_timespec); /* create time. */
1209         p += 8;
1210         put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1211         p += 8;
1212         put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1213         p += 8;
1214         put_long_date_timespec(conn->ts_res, p, c_timespec); /* change time */
1215         p += 8;
1216         SIVAL(p,0,fattr); /* File Attributes. */
1217         p += 4;
1218         SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn, fsp, &smb_fname->st));
1219         p += 8;
1220         SOFF_T(p,0,file_len);
1221         p += 8;
1222         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1223                 uint16_t file_status = (NO_EAS|NO_SUBSTREAMS|NO_REPARSETAG);
1224                 size_t num_names = 0;
1225                 unsigned int num_streams;
1226                 struct stream_struct *streams = NULL;
1227
1228                 /* Do we have any EA's ? */
1229                 status = get_ea_names_from_file(ctx, conn, fsp,
1230                                 smb_fname->base_name, NULL, &num_names);
1231                 if (NT_STATUS_IS_OK(status) && num_names) {
1232                         file_status &= ~NO_EAS;
1233                 }
1234                 status = SMB_VFS_STREAMINFO(conn, NULL, smb_fname->base_name, ctx,
1235                         &num_streams, &streams);
1236                 /* There is always one stream, ::$DATA. */
1237                 if (NT_STATUS_IS_OK(status) && num_streams > 1) {
1238                         file_status &= ~NO_SUBSTREAMS;
1239                 }
1240                 TALLOC_FREE(streams);
1241                 SSVAL(p,2,file_status);
1242         }
1243         p += 4;
1244         SCVAL(p,0,fsp->is_directory ? 1 : 0);
1245
1246         if (flags & EXTENDED_RESPONSE_REQUIRED) {
1247                 uint32 perms = 0;
1248                 p += 25;
1249                 if (fsp->is_directory ||
1250                     can_write_to_file(conn, smb_fname)) {
1251                         perms = FILE_GENERIC_ALL;
1252                 } else {
1253                         perms = FILE_GENERIC_READ|FILE_EXECUTE;
1254                 }
1255                 SIVAL(p,0,perms);
1256         }
1257
1258         DEBUG(5,("call_nt_transact_create: open name = %s\n",
1259                  smb_fname_str_dbg(smb_fname)));
1260
1261         /* Send the required number of replies */
1262         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1263  out:
1264         return;
1265 }
1266
1267 /****************************************************************************
1268  Reply to a NT CANCEL request.
1269  conn POINTER CAN BE NULL HERE !
1270 ****************************************************************************/
1271
1272 void reply_ntcancel(struct smb_request *req)
1273 {
1274         /*
1275          * Go through and cancel any pending change notifies.
1276          */
1277
1278         START_PROFILE(SMBntcancel);
1279         srv_cancel_sign_response(smbd_server_conn);
1280         remove_pending_change_notify_requests_by_mid(req->mid);
1281         remove_pending_lock_requests_by_mid_smb1(req->mid);
1282
1283         DEBUG(3,("reply_ntcancel: cancel called on mid = %llu.\n",
1284                 (unsigned long long)req->mid));
1285
1286         END_PROFILE(SMBntcancel);
1287         return;
1288 }
1289
1290 /****************************************************************************
1291  Copy a file.
1292 ****************************************************************************/
1293
1294 static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1295                                 connection_struct *conn,
1296                                 struct smb_request *req,
1297                                 struct smb_filename *smb_fname_src,
1298                                 struct smb_filename *smb_fname_dst,
1299                                 uint32 attrs)
1300 {
1301         files_struct *fsp1,*fsp2;
1302         uint32 fattr;
1303         int info;
1304         SMB_OFF_T ret=-1;
1305         NTSTATUS status = NT_STATUS_OK;
1306         char *parent;
1307
1308         if (!CAN_WRITE(conn)) {
1309                 status = NT_STATUS_MEDIA_WRITE_PROTECTED;
1310                 goto out;
1311         }
1312
1313         /* Source must already exist. */
1314         if (!VALID_STAT(smb_fname_src->st)) {
1315                 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
1316                 goto out;
1317         }
1318
1319         /* Ensure attributes match. */
1320         fattr = dos_mode(conn, smb_fname_src);
1321         if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1322                 status = NT_STATUS_NO_SUCH_FILE;
1323                 goto out;
1324         }
1325
1326         /* Disallow if dst file already exists. */
1327         if (VALID_STAT(smb_fname_dst->st)) {
1328                 status = NT_STATUS_OBJECT_NAME_COLLISION;
1329                 goto out;
1330         }
1331
1332         /* No links from a directory. */
1333         if (S_ISDIR(smb_fname_src->st.st_ex_mode)) {
1334                 status = NT_STATUS_FILE_IS_A_DIRECTORY;
1335                 goto out;
1336         }
1337
1338         DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1339                   smb_fname_str_dbg(smb_fname_src),
1340                   smb_fname_str_dbg(smb_fname_dst)));
1341
1342         status = SMB_VFS_CREATE_FILE(
1343                 conn,                                   /* conn */
1344                 req,                                    /* req */
1345                 0,                                      /* root_dir_fid */
1346                 smb_fname_src,                          /* fname */
1347                 FILE_READ_DATA,                         /* access_mask */
1348                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
1349                     FILE_SHARE_DELETE),
1350                 FILE_OPEN,                              /* create_disposition*/
1351                 0,                                      /* create_options */
1352                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
1353                 NO_OPLOCK,                              /* oplock_request */
1354                 0,                                      /* allocation_size */
1355                 0,                                      /* private_flags */
1356                 NULL,                                   /* sd */
1357                 NULL,                                   /* ea_list */
1358                 &fsp1,                                  /* result */
1359                 &info);                                 /* pinfo */
1360
1361         if (!NT_STATUS_IS_OK(status)) {
1362                 goto out;
1363         }
1364
1365         status = SMB_VFS_CREATE_FILE(
1366                 conn,                                   /* conn */
1367                 req,                                    /* req */
1368                 0,                                      /* root_dir_fid */
1369                 smb_fname_dst,                          /* fname */
1370                 FILE_WRITE_DATA,                        /* access_mask */
1371                 (FILE_SHARE_READ | FILE_SHARE_WRITE |   /* share_access */
1372                     FILE_SHARE_DELETE),
1373                 FILE_CREATE,                            /* create_disposition*/
1374                 0,                                      /* create_options */
1375                 fattr,                                  /* file_attributes */
1376                 NO_OPLOCK,                              /* oplock_request */
1377                 0,                                      /* allocation_size */
1378                 0,                                      /* private_flags */
1379                 NULL,                                   /* sd */
1380                 NULL,                                   /* ea_list */
1381                 &fsp2,                                  /* result */
1382                 &info);                                 /* pinfo */
1383
1384         if (!NT_STATUS_IS_OK(status)) {
1385                 close_file(NULL, fsp1, ERROR_CLOSE);
1386                 goto out;
1387         }
1388
1389         if (smb_fname_src->st.st_ex_size) {
1390                 ret = vfs_transfer_file(fsp1, fsp2, smb_fname_src->st.st_ex_size);
1391         }
1392
1393         /*
1394          * As we are opening fsp1 read-only we only expect
1395          * an error on close on fsp2 if we are out of space.
1396          * Thus we don't look at the error return from the
1397          * close of fsp1.
1398          */
1399         close_file(NULL, fsp1, NORMAL_CLOSE);
1400
1401         /* Ensure the modtime is set correctly on the destination file. */
1402         set_close_write_time(fsp2, smb_fname_src->st.st_ex_mtime);
1403
1404         status = close_file(NULL, fsp2, NORMAL_CLOSE);
1405
1406         /* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1407            creates the file. This isn't the correct thing to do in the copy
1408            case. JRA */
1409         if (!parent_dirname(talloc_tos(), smb_fname_dst->base_name, &parent,
1410                             NULL)) {
1411                 status = NT_STATUS_NO_MEMORY;
1412                 goto out;
1413         }
1414         file_set_dosmode(conn, smb_fname_dst, fattr, parent, false);
1415         TALLOC_FREE(parent);
1416
1417         if (ret < (SMB_OFF_T)smb_fname_src->st.st_ex_size) {
1418                 status = NT_STATUS_DISK_FULL;
1419                 goto out;
1420         }
1421  out:
1422         if (!NT_STATUS_IS_OK(status)) {
1423                 DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1424                         nt_errstr(status), smb_fname_str_dbg(smb_fname_src),
1425                         smb_fname_str_dbg(smb_fname_dst)));
1426         }
1427
1428         return status;
1429 }
1430
1431 /****************************************************************************
1432  Reply to a NT rename request.
1433 ****************************************************************************/
1434
1435 void reply_ntrename(struct smb_request *req)
1436 {
1437         connection_struct *conn = req->conn;
1438         struct smb_filename *smb_fname_old = NULL;
1439         struct smb_filename *smb_fname_new = NULL;
1440         char *oldname = NULL;
1441         char *newname = NULL;
1442         const char *p;
1443         NTSTATUS status;
1444         bool src_has_wcard = False;
1445         bool dest_has_wcard = False;
1446         uint32 attrs;
1447         uint32_t ucf_flags_src = 0;
1448         uint32_t ucf_flags_dst = 0;
1449         uint16 rename_type;
1450         TALLOC_CTX *ctx = talloc_tos();
1451
1452         START_PROFILE(SMBntrename);
1453
1454         if (req->wct < 4) {
1455                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1456                 goto out;
1457         }
1458
1459         attrs = SVAL(req->vwv+0, 0);
1460         rename_type = SVAL(req->vwv+1, 0);
1461
1462         p = (const char *)req->buf + 1;
1463         p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1464                                        &status, &src_has_wcard);
1465         if (!NT_STATUS_IS_OK(status)) {
1466                 reply_nterror(req, status);
1467                 goto out;
1468         }
1469
1470         if (ms_has_wild(oldname)) {
1471                 reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1472                 goto out;
1473         }
1474
1475         p++;
1476         p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1477                                        &status, &dest_has_wcard);
1478         if (!NT_STATUS_IS_OK(status)) {
1479                 reply_nterror(req, status);
1480                 goto out;
1481         }
1482
1483         /* The newname must begin with a ':' if the oldname contains a ':'. */
1484         if (strchr_m(oldname, ':') && (newname[0] != ':')) {
1485                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1486                 goto out;
1487         }
1488
1489         /*
1490          * If this is a rename operation, allow wildcards and save the
1491          * destination's last component.
1492          */
1493         if (rename_type == RENAME_FLAG_RENAME) {
1494                 ucf_flags_src = UCF_COND_ALLOW_WCARD_LCOMP;
1495                 ucf_flags_dst = UCF_COND_ALLOW_WCARD_LCOMP | UCF_SAVE_LCOMP;
1496         }
1497
1498         /* rename_internals() calls unix_convert(), so don't call it here. */
1499         status = filename_convert(ctx, conn,
1500                                   req->flags2 & FLAGS2_DFS_PATHNAMES,
1501                                   oldname,
1502                                   ucf_flags_src,
1503                                   NULL,
1504                                   &smb_fname_old);
1505         if (!NT_STATUS_IS_OK(status)) {
1506                 if (NT_STATUS_EQUAL(status,
1507                                     NT_STATUS_PATH_NOT_COVERED)) {
1508                         reply_botherror(req,
1509                                         NT_STATUS_PATH_NOT_COVERED,
1510                                         ERRSRV, ERRbadpath);
1511                         goto out;
1512                 }
1513                 reply_nterror(req, status);
1514                 goto out;
1515         }
1516
1517         status = filename_convert(ctx, conn,
1518                                   req->flags2 & FLAGS2_DFS_PATHNAMES,
1519                                   newname,
1520                                   ucf_flags_dst,
1521                                   &dest_has_wcard,
1522                                   &smb_fname_new);
1523         if (!NT_STATUS_IS_OK(status)) {
1524                 if (NT_STATUS_EQUAL(status,
1525                                     NT_STATUS_PATH_NOT_COVERED)) {
1526                         reply_botherror(req,
1527                                         NT_STATUS_PATH_NOT_COVERED,
1528                                         ERRSRV, ERRbadpath);
1529                         goto out;
1530                 }
1531                 reply_nterror(req, status);
1532                 goto out;
1533         }
1534
1535         DEBUG(3,("reply_ntrename: %s -> %s\n",
1536                  smb_fname_str_dbg(smb_fname_old),
1537                  smb_fname_str_dbg(smb_fname_new)));
1538
1539         switch(rename_type) {
1540                 case RENAME_FLAG_RENAME:
1541                         status = rename_internals(ctx, conn, req,
1542                                                   smb_fname_old, smb_fname_new,
1543                                                   attrs, False, src_has_wcard,
1544                                                   dest_has_wcard,
1545                                                   DELETE_ACCESS);
1546                         break;
1547                 case RENAME_FLAG_HARD_LINK:
1548                         if (src_has_wcard || dest_has_wcard) {
1549                                 /* No wildcards. */
1550                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1551                         } else {
1552                                 status = hardlink_internals(ctx, conn,
1553                                                             smb_fname_old,
1554                                                             smb_fname_new);
1555                         }
1556                         break;
1557                 case RENAME_FLAG_COPY:
1558                         if (src_has_wcard || dest_has_wcard) {
1559                                 /* No wildcards. */
1560                                 status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1561                         } else {
1562                                 status = copy_internals(ctx, conn, req,
1563                                                         smb_fname_old,
1564                                                         smb_fname_new,
1565                                                         attrs);
1566                         }
1567                         break;
1568                 case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1569                         status = NT_STATUS_INVALID_PARAMETER;
1570                         break;
1571                 default:
1572                         status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1573                         break;
1574         }
1575
1576         if (!NT_STATUS_IS_OK(status)) {
1577                 if (open_was_deferred(req->mid)) {
1578                         /* We have re-scheduled this call. */
1579                         goto out;
1580                 }
1581
1582                 reply_nterror(req, status);
1583                 goto out;
1584         }
1585
1586         reply_outbuf(req, 0, 0);
1587  out:
1588         END_PROFILE(SMBntrename);
1589         return;
1590 }
1591
1592 /****************************************************************************
1593  Reply to a notify change - queue the request and
1594  don't allow a directory to be opened.
1595 ****************************************************************************/
1596
1597 static void smbd_smb1_notify_reply(struct smb_request *req,
1598                                    NTSTATUS error_code,
1599                                    uint8_t *buf, size_t len)
1600 {
1601         send_nt_replies(req->conn, req, error_code, (char *)buf, len, NULL, 0);
1602 }
1603
1604 static void call_nt_transact_notify_change(connection_struct *conn,
1605                                            struct smb_request *req,
1606                                            uint16 **ppsetup,
1607                                            uint32 setup_count,
1608                                            char **ppparams,
1609                                            uint32 parameter_count,
1610                                            char **ppdata, uint32 data_count,
1611                                            uint32 max_data_count,
1612                                            uint32 max_param_count)
1613 {
1614         uint16 *setup = *ppsetup;
1615         files_struct *fsp;
1616         uint32 filter;
1617         NTSTATUS status;
1618         bool recursive;
1619
1620         if(setup_count < 6) {
1621                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1622                 return;
1623         }
1624
1625         fsp = file_fsp(req, SVAL(setup,4));
1626         filter = IVAL(setup, 0);
1627         recursive = (SVAL(setup, 6) != 0) ? True : False;
1628
1629         DEBUG(3,("call_nt_transact_notify_change\n"));
1630
1631         if(!fsp) {
1632                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1633                 return;
1634         }
1635
1636         {
1637                 char *filter_string;
1638
1639                 if (!(filter_string = notify_filter_string(NULL, filter))) {
1640                         reply_nterror(req,NT_STATUS_NO_MEMORY);
1641                         return;
1642                 }
1643
1644                 DEBUG(3,("call_nt_transact_notify_change: notify change "
1645                          "called on %s, filter = %s, recursive = %d\n",
1646                          fsp_str_dbg(fsp), filter_string, recursive));
1647
1648                 TALLOC_FREE(filter_string);
1649         }
1650
1651         if((!fsp->is_directory) || (conn != fsp->conn)) {
1652                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1653                 return;
1654         }
1655
1656         if (fsp->notify == NULL) {
1657
1658                 status = change_notify_create(fsp, filter, recursive);
1659
1660                 if (!NT_STATUS_IS_OK(status)) {
1661                         DEBUG(10, ("change_notify_create returned %s\n",
1662                                    nt_errstr(status)));
1663                         reply_nterror(req, status);
1664                         return;
1665                 }
1666         }
1667
1668         if (fsp->notify->num_changes != 0) {
1669
1670                 /*
1671                  * We've got changes pending, respond immediately
1672                  */
1673
1674                 /*
1675                  * TODO: write a torture test to check the filtering behaviour
1676                  * here.
1677                  */
1678
1679                 change_notify_reply(fsp->conn, req,
1680                                     NT_STATUS_OK,
1681                                     max_param_count,
1682                                     fsp->notify,
1683                                     smbd_smb1_notify_reply);
1684
1685                 /*
1686                  * change_notify_reply() above has independently sent its
1687                  * results
1688                  */
1689                 return;
1690         }
1691
1692         /*
1693          * No changes pending, queue the request
1694          */
1695
1696         status = change_notify_add_request(req,
1697                         max_param_count,
1698                         filter,
1699                         recursive, fsp,
1700                         smbd_smb1_notify_reply);
1701         if (!NT_STATUS_IS_OK(status)) {
1702                 reply_nterror(req, status);
1703         }
1704         return;
1705 }
1706
1707 /****************************************************************************
1708  Reply to an NT transact rename command.
1709 ****************************************************************************/
1710
1711 static void call_nt_transact_rename(connection_struct *conn,
1712                                     struct smb_request *req,
1713                                     uint16 **ppsetup, uint32 setup_count,
1714                                     char **ppparams, uint32 parameter_count,
1715                                     char **ppdata, uint32 data_count,
1716                                     uint32 max_data_count)
1717 {
1718         char *params = *ppparams;
1719         char *new_name = NULL;
1720         files_struct *fsp = NULL;
1721         bool dest_has_wcard = False;
1722         NTSTATUS status;
1723         TALLOC_CTX *ctx = talloc_tos();
1724
1725         if(parameter_count < 5) {
1726                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1727                 return;
1728         }
1729
1730         fsp = file_fsp(req, SVAL(params, 0));
1731         if (!check_fsp(conn, req, fsp)) {
1732                 return;
1733         }
1734         srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1735                               parameter_count - 4,
1736                               STR_TERMINATE, &status, &dest_has_wcard);
1737         if (!NT_STATUS_IS_OK(status)) {
1738                 reply_nterror(req, status);
1739                 return;
1740         }
1741
1742         /*
1743          * W2K3 ignores this request as the RAW-RENAME test
1744          * demonstrates, so we do.
1745          */
1746         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1747
1748         DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1749                  fsp_str_dbg(fsp), new_name));
1750
1751         return;
1752 }
1753
1754 /******************************************************************************
1755  Fake up a completely empty SD.
1756 *******************************************************************************/
1757
1758 static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, struct security_descriptor **ppsd)
1759 {
1760         size_t sd_size;
1761
1762         *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1763         if(!*ppsd) {
1764                 DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1765                 return NT_STATUS_NO_MEMORY;
1766         }
1767
1768         return NT_STATUS_OK;
1769 }
1770
1771 /****************************************************************************
1772  Reply to query a security descriptor.
1773  Callable from SMB2 and SMB2.
1774  If it returns NT_STATUS_BUFFER_TOO_SMALL, pdata_size is initialized with
1775  the required size.
1776 ****************************************************************************/
1777
1778 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
1779                                         TALLOC_CTX *mem_ctx,
1780                                         files_struct *fsp,
1781                                         uint32_t security_info_wanted,
1782                                         uint32_t max_data_count,
1783                                         uint8_t **ppmarshalled_sd,
1784                                         size_t *psd_size)
1785 {
1786         NTSTATUS status;
1787         struct security_descriptor *psd = NULL;
1788
1789         /*
1790          * Get the permissions to return.
1791          */
1792
1793         if (!lp_nt_acl_support(SNUM(conn))) {
1794                 status = get_null_nt_acl(mem_ctx, &psd);
1795         } else {
1796                 status = SMB_VFS_FGET_NT_ACL(
1797                         fsp, security_info_wanted, &psd);
1798         }
1799         if (!NT_STATUS_IS_OK(status)) {
1800                 return status;
1801         }
1802
1803         /* If the SACL/DACL is NULL, but was requested, we mark that it is
1804          * present in the reply to match Windows behavior */
1805         if (psd->sacl == NULL &&
1806             security_info_wanted & SACL_SECURITY_INFORMATION)
1807                 psd->type |= SEC_DESC_SACL_PRESENT;
1808         if (psd->dacl == NULL &&
1809             security_info_wanted & DACL_SECURITY_INFORMATION)
1810                 psd->type |= SEC_DESC_DACL_PRESENT;
1811
1812         *psd_size = ndr_size_security_descriptor(psd, 0);
1813
1814         DEBUG(3,("smbd_do_query_security_desc: sd_size = %lu.\n",
1815                 (unsigned long)*psd_size));
1816
1817         if (DEBUGLEVEL >= 10) {
1818                 DEBUG(10,("smbd_do_query_security_desc for file %s\n",
1819                           fsp_str_dbg(fsp)));
1820                 NDR_PRINT_DEBUG(security_descriptor, psd);
1821         }
1822
1823         if (max_data_count < *psd_size) {
1824                 TALLOC_FREE(psd);
1825                 return NT_STATUS_BUFFER_TOO_SMALL;
1826         }
1827
1828         status = marshall_sec_desc(mem_ctx, psd,
1829                                    ppmarshalled_sd, psd_size);
1830
1831         if (!NT_STATUS_IS_OK(status)) {
1832                 TALLOC_FREE(psd);
1833                 return status;
1834         }
1835
1836         TALLOC_FREE(psd);
1837         return NT_STATUS_OK;
1838 }
1839
1840 /****************************************************************************
1841  SMB1 reply to query a security descriptor.
1842 ****************************************************************************/
1843
1844 static void call_nt_transact_query_security_desc(connection_struct *conn,
1845                                                  struct smb_request *req,
1846                                                  uint16 **ppsetup,
1847                                                  uint32 setup_count,
1848                                                  char **ppparams,
1849                                                  uint32 parameter_count,
1850                                                  char **ppdata,
1851                                                  uint32 data_count,
1852                                                  uint32 max_data_count)
1853 {
1854         char *params = *ppparams;
1855         char *data = *ppdata;
1856         size_t sd_size = 0;
1857         uint32 security_info_wanted;
1858         files_struct *fsp = NULL;
1859         NTSTATUS status;
1860         uint8_t *marshalled_sd = NULL;
1861
1862         if(parameter_count < 8) {
1863                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1864                 return;
1865         }
1866
1867         fsp = file_fsp(req, SVAL(params,0));
1868         if(!fsp) {
1869                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1870                 return;
1871         }
1872
1873         security_info_wanted = IVAL(params,4);
1874
1875         DEBUG(3,("call_nt_transact_query_security_desc: file = %s, "
1876                  "info_wanted = 0x%x\n", fsp_str_dbg(fsp),
1877                  (unsigned int)security_info_wanted));
1878
1879         params = nttrans_realloc(ppparams, 4);
1880         if(params == NULL) {
1881                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1882                 return;
1883         }
1884
1885         /*
1886          * Get the permissions to return.
1887          */
1888
1889         status = smbd_do_query_security_desc(conn,
1890                                         talloc_tos(),
1891                                         fsp,
1892                                         security_info_wanted,
1893                                         max_data_count,
1894                                         &marshalled_sd,
1895                                         &sd_size);
1896
1897         if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
1898                 SIVAL(params,0,(uint32_t)sd_size);
1899                 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1900                         params, 4, NULL, 0);
1901                 return;
1902         }
1903
1904         if (!NT_STATUS_IS_OK(status)) {
1905                 reply_nterror(req, status);
1906                 return;
1907         }
1908
1909         SMB_ASSERT(sd_size > 0);
1910
1911         SIVAL(params,0,(uint32_t)sd_size);
1912
1913         if (max_data_count < sd_size) {
1914                 send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1915                                 params, 4, NULL, 0);
1916                 return;
1917         }
1918
1919         /*
1920          * Allocate the data we will return.
1921          */
1922
1923         data = nttrans_realloc(ppdata, sd_size);
1924         if(data == NULL) {
1925                 reply_nterror(req, NT_STATUS_NO_MEMORY);
1926                 return;
1927         }
1928
1929         memcpy(data, marshalled_sd, sd_size);
1930
1931         send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1932
1933         return;
1934 }
1935
1936 /****************************************************************************
1937  Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1938 ****************************************************************************/
1939
1940 static void call_nt_transact_set_security_desc(connection_struct *conn,
1941                                                struct smb_request *req,
1942                                                uint16 **ppsetup,
1943                                                uint32 setup_count,
1944                                                char **ppparams,
1945                                                uint32 parameter_count,
1946                                                char **ppdata,
1947                                                uint32 data_count,
1948                                                uint32 max_data_count)
1949 {
1950         char *params= *ppparams;
1951         char *data = *ppdata;
1952         files_struct *fsp = NULL;
1953         uint32 security_info_sent = 0;
1954         NTSTATUS status;
1955
1956         if(parameter_count < 8) {
1957                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1958                 return;
1959         }
1960
1961         if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1962                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
1963                 return;
1964         }
1965
1966         if(!lp_nt_acl_support(SNUM(conn))) {
1967                 goto done;
1968         }
1969
1970         security_info_sent = IVAL(params,4);
1971
1972         DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n",
1973                  fsp_str_dbg(fsp), (unsigned int)security_info_sent));
1974
1975         if (data_count == 0) {
1976                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1977                 return;
1978         }
1979
1980         status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1981
1982         if (!NT_STATUS_IS_OK(status)) {
1983                 reply_nterror(req, status);
1984                 return;
1985         }
1986
1987   done:
1988         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1989         return;
1990 }
1991
1992 /****************************************************************************
1993  Reply to NT IOCTL
1994 ****************************************************************************/
1995
1996 static void call_nt_transact_ioctl(connection_struct *conn,
1997                                    struct smb_request *req,
1998                                    uint16 **ppsetup, uint32 setup_count,
1999                                    char **ppparams, uint32 parameter_count,
2000                                    char **ppdata, uint32 data_count,
2001                                    uint32 max_data_count)
2002 {
2003         uint32 function;
2004         uint16 fidnum;
2005         files_struct *fsp;
2006         uint8 isFSctl;
2007         uint8 compfilter;
2008         char *pdata = *ppdata;
2009
2010         if (setup_count != 8) {
2011                 DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
2012                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2013                 return;
2014         }
2015
2016         function = IVAL(*ppsetup, 0);
2017         fidnum = SVAL(*ppsetup, 4);
2018         isFSctl = CVAL(*ppsetup, 6);
2019         compfilter = CVAL(*ppsetup, 7);
2020
2021         DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n", 
2022                  function, fidnum, isFSctl, compfilter));
2023
2024         fsp=file_fsp(req, fidnum);
2025         /* this check is done in each implemented function case for now
2026            because I don't want to break anything... --metze
2027         FSP_BELONGS_CONN(fsp,conn);*/
2028
2029         SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
2030
2031         switch (function) {
2032         case FSCTL_SET_SPARSE:
2033                 /* pretend this succeeded - tho strictly we should
2034                    mark the file sparse (if the local fs supports it)
2035                    so we can know if we need to pre-allocate or not */
2036
2037                 DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
2038                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2039                 return;
2040
2041         case FSCTL_CREATE_OR_GET_OBJECT_ID:
2042         {
2043                 unsigned char objid[16];
2044
2045                 /* This should return the object-id on this file.
2046                  * I think I'll make this be the inode+dev. JRA.
2047                  */
2048
2049                 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
2050
2051                 if (!fsp_belongs_conn(conn, req, fsp)) {
2052                         return;
2053                 }
2054
2055                 data_count = 64;
2056                 pdata = nttrans_realloc(ppdata, data_count);
2057                 if (pdata == NULL) {
2058                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2059                         return;
2060                 }
2061
2062                 /* For backwards compatibility only store the dev/inode. */
2063                 push_file_id_16(pdata, &fsp->file_id);
2064                 memcpy(pdata+16,create_volume_objectid(conn,objid),16);
2065                 push_file_id_16(pdata+32, &fsp->file_id);
2066                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2067                                 pdata, data_count);
2068                 return;
2069         }
2070
2071         case FSCTL_GET_REPARSE_POINT:
2072                 /* pretend this fail - my winXP does it like this
2073                  * --metze
2074                  */
2075
2076                 DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2077                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2078                 return;
2079
2080         case FSCTL_SET_REPARSE_POINT:
2081                 /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
2082                  * --metze
2083                  */
2084
2085                 DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
2086                 reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
2087                 return;
2088
2089         case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
2090         {
2091                 /*
2092                  * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
2093                  * and return their volume names.  If max_data_count is 16, then it is just
2094                  * asking for the number of volumes and length of the combined names.
2095                  *
2096                  * pdata is the data allocated by our caller, but that uses
2097                  * total_data_count (which is 0 in our case) rather than max_data_count.
2098                  * Allocate the correct amount and return the pointer to let
2099                  * it be deallocated when we return.
2100                  */
2101                 SHADOW_COPY_DATA *shadow_data = NULL;
2102                 TALLOC_CTX *shadow_mem_ctx = NULL;
2103                 bool labels = False;
2104                 uint32 labels_data_count = 0;
2105                 uint32 i;
2106                 char *cur_pdata;
2107
2108                 if (!fsp_belongs_conn(conn, req, fsp)) {
2109                         return;
2110                 }
2111
2112                 if (max_data_count < 16) {
2113                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
2114                                 max_data_count));
2115                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2116                         return;
2117                 }
2118
2119                 if (max_data_count > 16) {
2120                         labels = True;
2121                 }
2122
2123                 shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
2124                 if (shadow_mem_ctx == NULL) {
2125                         DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
2126                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2127                         return;
2128                 }
2129
2130                 shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
2131                 if (shadow_data == NULL) {
2132                         DEBUG(0,("TALLOC_ZERO() failed!\n"));
2133                         talloc_destroy(shadow_mem_ctx);
2134                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2135                         return;
2136                 }
2137
2138                 shadow_data->mem_ctx = shadow_mem_ctx;
2139
2140                 /*
2141                  * Call the VFS routine to actually do the work.
2142                  */
2143                 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
2144                         talloc_destroy(shadow_data->mem_ctx);
2145                         if (errno == ENOSYS) {
2146                                 DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n", 
2147                                         conn->connectpath));
2148                                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2149                                 return;
2150                         } else {
2151                                 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n", 
2152                                         conn->connectpath));
2153                                 reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2154                                 return;
2155                         }
2156                 }
2157
2158                 labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2159
2160                 if (!labels) {
2161                         data_count = 16;
2162                 } else {
2163                         data_count = 12+labels_data_count+4;
2164                 }
2165
2166                 if (max_data_count<data_count) {
2167                         DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2168                                 max_data_count,data_count));
2169                         talloc_destroy(shadow_data->mem_ctx);
2170                         reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2171                         return;
2172                 }
2173
2174                 pdata = nttrans_realloc(ppdata, data_count);
2175                 if (pdata == NULL) {
2176                         talloc_destroy(shadow_data->mem_ctx);
2177                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2178                         return;
2179                 }
2180
2181                 cur_pdata = pdata;
2182
2183                 /* num_volumes 4 bytes */
2184                 SIVAL(pdata,0,shadow_data->num_volumes);
2185
2186                 if (labels) {
2187                         /* num_labels 4 bytes */
2188                         SIVAL(pdata,4,shadow_data->num_volumes);
2189                 }
2190
2191                 /* needed_data_count 4 bytes */
2192                 SIVAL(pdata, 8, labels_data_count+4);
2193
2194                 cur_pdata+=12;
2195
2196                 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2197                           shadow_data->num_volumes, fsp_str_dbg(fsp)));
2198                 if (labels && shadow_data->labels) {
2199                         for (i=0;i<shadow_data->num_volumes;i++) {
2200                                 srvstr_push(pdata, req->flags2,
2201                                             cur_pdata, shadow_data->labels[i],
2202                                             2*sizeof(SHADOW_COPY_LABEL),
2203                                             STR_UNICODE|STR_TERMINATE);
2204                                 cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2205                                 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2206                         }
2207                 }
2208
2209                 talloc_destroy(shadow_data->mem_ctx);
2210
2211                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2212                                 pdata, data_count);
2213
2214                 return;
2215         }
2216
2217         case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2218         {
2219                 /* pretend this succeeded -
2220                  *
2221                  * we have to send back a list with all files owned by this SID
2222                  *
2223                  * but I have to check that --metze
2224                  */
2225                 DOM_SID sid;
2226                 uid_t uid;
2227                 size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2228
2229                 DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2230
2231                 if (!fsp_belongs_conn(conn, req, fsp)) {
2232                         return;
2233                 }
2234
2235                 /* unknown 4 bytes: this is not the length of the sid :-(  */
2236                 /*unknown = IVAL(pdata,0);*/
2237
2238                 sid_parse(pdata+4,sid_len,&sid);
2239                 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2240
2241                 if (!sid_to_uid(&sid, &uid)) {
2242                         DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2243                                  sid_string_dbg(&sid),
2244                                  (unsigned long)sid_len));
2245                         uid = (-1);
2246                 }
2247
2248                 /* we can take a look at the find source :-)
2249                  *
2250                  * find ./ -uid $uid  -name '*'   is what we need here
2251                  *
2252                  *
2253                  * and send 4bytes len and then NULL terminated unicode strings
2254                  * for each file
2255                  *
2256                  * but I don't know how to deal with the paged results
2257                  * (maybe we can hang the result anywhere in the fsp struct)
2258                  *
2259                  * we don't send all files at once
2260                  * and at the next we should *not* start from the beginning,
2261                  * so we have to cache the result
2262                  *
2263                  * --metze
2264                  */
2265
2266                 /* this works for now... */
2267                 send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2268                 return;
2269         }
2270         case FSCTL_QUERY_ALLOCATED_RANGES:
2271         {
2272                 /* FIXME: This is just a dummy reply, telling that all of the
2273                  * file is allocated. MKS cp needs that.
2274                  * Adding the real allocated ranges via FIEMAP on Linux
2275                  * and SEEK_DATA/SEEK_HOLE on Solaris is needed to make
2276                  * this FSCTL correct for sparse files.
2277                  */
2278                 NTSTATUS status;
2279                 uint64_t offset, length;
2280
2281                 if (!fsp_belongs_conn(conn, req, fsp)) {
2282                         return;
2283                 }
2284
2285                 if (data_count != 16) {
2286                         DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: data_count(%u) != 16 is invalid!\n",
2287                                 data_count));
2288                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2289                         return;
2290                 }
2291
2292                 if (max_data_count < 16) {
2293                         DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: max_data_count(%u) < 16 is invalid!\n",
2294                                 max_data_count));
2295                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2296                         return;
2297                 }
2298
2299                 offset = BVAL(pdata,0);
2300                 length = BVAL(pdata,8);
2301
2302                 if (offset + length < offset) {
2303                         /* No 64-bit integer wrap. */
2304                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2305                         return;
2306                 }
2307
2308                 status = vfs_stat_fsp(fsp);
2309                 if (!NT_STATUS_IS_OK(status)) {
2310                         reply_nterror(req, status);
2311                         return;
2312                 }
2313
2314                 if (offset > fsp->fsp_name->st.st_ex_size ||
2315                                 fsp->fsp_name->st.st_ex_size == 0 ||
2316                                 length == 0) {
2317                         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2318                 } else {
2319                         uint64_t end = offset + length;
2320                         end = MIN(end, fsp->fsp_name->st.st_ex_size);
2321                         SBVAL(pdata,0,0);
2322                         SBVAL(pdata,8,end);
2323                         send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2324                                 pdata, 16);
2325                 }
2326                 return;
2327         }
2328         default:
2329                 if (!logged_ioctl_message) {
2330                         logged_ioctl_message = true; /* Only print this once... */
2331                         DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2332                                  function));
2333                 }
2334         }
2335
2336         reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2337 }
2338
2339
2340 #ifdef HAVE_SYS_QUOTAS
2341 /****************************************************************************
2342  Reply to get user quota
2343 ****************************************************************************/
2344
2345 static void call_nt_transact_get_user_quota(connection_struct *conn,
2346                                             struct smb_request *req,
2347                                             uint16 **ppsetup,
2348                                             uint32 setup_count,
2349                                             char **ppparams,
2350                                             uint32 parameter_count,
2351                                             char **ppdata,
2352                                             uint32 data_count,
2353                                             uint32 max_data_count)
2354 {
2355         NTSTATUS nt_status = NT_STATUS_OK;
2356         char *params = *ppparams;
2357         char *pdata = *ppdata;
2358         char *entry;
2359         int data_len=0,param_len=0;
2360         int qt_len=0;
2361         int entry_len = 0;
2362         files_struct *fsp = NULL;
2363         uint16 level = 0;
2364         size_t sid_len;
2365         DOM_SID sid;
2366         bool start_enum = True;
2367         SMB_NTQUOTA_STRUCT qt;
2368         SMB_NTQUOTA_LIST *tmp_list;
2369         SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2370
2371         ZERO_STRUCT(qt);
2372
2373         /* access check */
2374         if (conn->server_info->utok.uid != 0) {
2375                 DEBUG(1,("get_user_quota: access_denied service [%s] user "
2376                          "[%s]\n", lp_servicename(SNUM(conn)),
2377                          conn->server_info->unix_name));
2378                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2379                 return;
2380         }
2381
2382         /*
2383          * Ensure minimum number of parameters sent.
2384          */
2385
2386         if (parameter_count < 4) {
2387                 DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2388                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2389                 return;
2390         }
2391
2392         /* maybe we can check the quota_fnum */
2393         fsp = file_fsp(req, SVAL(params,0));
2394         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2395                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2396                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2397                 return;
2398         }
2399
2400         /* the NULL pointer checking for fsp->fake_file_handle->pd
2401          * is done by CHECK_NTQUOTA_HANDLE_OK()
2402          */
2403         qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2404
2405         level = SVAL(params,2);
2406
2407         /* unknown 12 bytes leading in params */
2408
2409         switch (level) {
2410                 case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2411                         /* seems that we should continue with the enum here --metze */
2412
2413                         if (qt_handle->quota_list!=NULL &&
2414                             qt_handle->tmp_list==NULL) {
2415
2416                                 /* free the list */
2417                                 free_ntquota_list(&(qt_handle->quota_list));
2418
2419                                 /* Realloc the size of parameters and data we will return */
2420                                 param_len = 4;
2421                                 params = nttrans_realloc(ppparams, param_len);
2422                                 if(params == NULL) {
2423                                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2424                                         return;
2425                                 }
2426
2427                                 data_len = 0;
2428                                 SIVAL(params,0,data_len);
2429
2430                                 break;
2431                         }
2432
2433                         start_enum = False;
2434
2435                 case TRANSACT_GET_USER_QUOTA_LIST_START:
2436
2437                         if (qt_handle->quota_list==NULL &&
2438                                 qt_handle->tmp_list==NULL) {
2439                                 start_enum = True;
2440                         }
2441
2442                         if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2443                                 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2444                                 return;
2445                         }
2446
2447                         /* Realloc the size of parameters and data we will return */
2448                         param_len = 4;
2449                         params = nttrans_realloc(ppparams, param_len);
2450                         if(params == NULL) {
2451                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2452                                 return;
2453                         }
2454
2455                         /* we should not trust the value in max_data_count*/
2456                         max_data_count = MIN(max_data_count,2048);
2457
2458                         pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2459                         if(pdata == NULL) {
2460                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2461                                 return;
2462                         }
2463
2464                         entry = pdata;
2465
2466                         /* set params Size of returned Quota Data 4 bytes*/
2467                         /* but set it later when we know it */
2468
2469                         /* for each entry push the data */
2470
2471                         if (start_enum) {
2472                                 qt_handle->tmp_list = qt_handle->quota_list;
2473                         }
2474
2475                         tmp_list = qt_handle->tmp_list;
2476
2477                         for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2478                                 tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2479
2480                                 sid_len = ndr_size_dom_sid(
2481                                         &tmp_list->quotas->sid, 0);
2482                                 entry_len = 40 + sid_len;
2483
2484                                 /* nextoffset entry 4 bytes */
2485                                 SIVAL(entry,0,entry_len);
2486
2487                                 /* then the len of the SID 4 bytes */
2488                                 SIVAL(entry,4,sid_len);
2489
2490                                 /* unknown data 8 bytes uint64_t */
2491                                 SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2492
2493                                 /* the used disk space 8 bytes uint64_t */
2494                                 SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2495
2496                                 /* the soft quotas 8 bytes uint64_t */
2497                                 SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2498
2499                                 /* the hard quotas 8 bytes uint64_t */
2500                                 SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2501
2502                                 /* and now the SID */
2503                                 sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2504                         }
2505
2506                         qt_handle->tmp_list = tmp_list;
2507
2508                         /* overwrite the offset of the last entry */
2509                         SIVAL(entry-entry_len,0,0);
2510
2511                         data_len = 4+qt_len;
2512                         /* overwrite the params quota_data_len */
2513                         SIVAL(params,0,data_len);
2514
2515                         break;
2516
2517                 case TRANSACT_GET_USER_QUOTA_FOR_SID:
2518
2519                         /* unknown 4 bytes IVAL(pdata,0) */
2520
2521                         if (data_count < 8) {
2522                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2523                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2524                                 return;
2525                         }
2526
2527                         sid_len = IVAL(pdata,4);
2528                         /* Ensure this is less than 1mb. */
2529                         if (sid_len > (1024*1024)) {
2530                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2531                                 return;
2532                         }
2533
2534                         if (data_count < 8+sid_len) {
2535                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2536                                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2537                                 return;
2538                         }
2539
2540                         data_len = 4+40+sid_len;
2541
2542                         if (max_data_count < data_len) {
2543                                 DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2544                                         max_data_count, data_len));
2545                                 param_len = 4;
2546                                 SIVAL(params,0,data_len);
2547                                 data_len = 0;
2548                                 nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2549                                 break;
2550                         }
2551
2552                         sid_parse(pdata+8,sid_len,&sid);
2553
2554                         if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2555                                 ZERO_STRUCT(qt);
2556                                 /*
2557                                  * we have to return zero's in all fields
2558                                  * instead of returning an error here
2559                                  * --metze
2560                                  */
2561                         }
2562
2563                         /* Realloc the size of parameters and data we will return */
2564                         param_len = 4;
2565                         params = nttrans_realloc(ppparams, param_len);
2566                         if(params == NULL) {
2567                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2568                                 return;
2569                         }
2570
2571                         pdata = nttrans_realloc(ppdata, data_len);
2572                         if(pdata == NULL) {
2573                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2574                                 return;
2575                         }
2576
2577                         entry = pdata;
2578
2579                         /* set params Size of returned Quota Data 4 bytes*/
2580                         SIVAL(params,0,data_len);
2581
2582                         /* nextoffset entry 4 bytes */
2583                         SIVAL(entry,0,0);
2584
2585                         /* then the len of the SID 4 bytes */
2586                         SIVAL(entry,4,sid_len);
2587
2588                         /* unknown data 8 bytes uint64_t */
2589                         SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2590
2591                         /* the used disk space 8 bytes uint64_t */
2592                         SBIG_UINT(entry,16,qt.usedspace);
2593
2594                         /* the soft quotas 8 bytes uint64_t */
2595                         SBIG_UINT(entry,24,qt.softlim);
2596
2597                         /* the hard quotas 8 bytes uint64_t */
2598                         SBIG_UINT(entry,32,qt.hardlim);
2599
2600                         /* and now the SID */
2601                         sid_linearize(entry+40, sid_len, &sid);
2602
2603                         break;
2604
2605                 default:
2606                         DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2607                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2608                         return;
2609                         break;
2610         }
2611
2612         send_nt_replies(conn, req, nt_status, params, param_len,
2613                         pdata, data_len);
2614 }
2615
2616 /****************************************************************************
2617  Reply to set user quota
2618 ****************************************************************************/
2619
2620 static void call_nt_transact_set_user_quota(connection_struct *conn,
2621                                             struct smb_request *req,
2622                                             uint16 **ppsetup,
2623                                             uint32 setup_count,
2624                                             char **ppparams,
2625                                             uint32 parameter_count,
2626                                             char **ppdata,
2627                                             uint32 data_count,
2628                                             uint32 max_data_count)
2629 {
2630         char *params = *ppparams;
2631         char *pdata = *ppdata;
2632         int data_len=0,param_len=0;
2633         SMB_NTQUOTA_STRUCT qt;
2634         size_t sid_len;
2635         DOM_SID sid;
2636         files_struct *fsp = NULL;
2637
2638         ZERO_STRUCT(qt);
2639
2640         /* access check */
2641         if (conn->server_info->utok.uid != 0) {
2642                 DEBUG(1,("set_user_quota: access_denied service [%s] user "
2643                          "[%s]\n", lp_servicename(SNUM(conn)),
2644                          conn->server_info->unix_name));
2645                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2646                 return;
2647         }
2648
2649         /*
2650          * Ensure minimum number of parameters sent.
2651          */
2652
2653         if (parameter_count < 2) {
2654                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2655                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2656                 return;
2657         }
2658
2659         /* maybe we can check the quota_fnum */
2660         fsp = file_fsp(req, SVAL(params,0));
2661         if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2662                 DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2663                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2664                 return;
2665         }
2666
2667         if (data_count < 40) {
2668                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2669                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2670                 return;
2671         }
2672
2673         /* offset to next quota record.
2674          * 4 bytes IVAL(pdata,0)
2675          * unused here...
2676          */
2677
2678         /* sid len */
2679         sid_len = IVAL(pdata,4);
2680
2681         if (data_count < 40+sid_len) {
2682                 DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2683                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2684                 return;
2685         }
2686
2687         /* unknown 8 bytes in pdata
2688          * maybe its the change time in NTTIME
2689          */
2690
2691         /* the used space 8 bytes (uint64_t)*/
2692         qt.usedspace = (uint64_t)IVAL(pdata,16);
2693 #ifdef LARGE_SMB_OFF_T
2694         qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2695 #else /* LARGE_SMB_OFF_T */
2696         if ((IVAL(pdata,20) != 0)&&
2697                 ((qt.usedspace != 0xFFFFFFFF)||
2698                 (IVAL(pdata,20)!=0xFFFFFFFF))) {
2699                 /* more than 32 bits? */
2700                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2701                 return;
2702         }
2703 #endif /* LARGE_SMB_OFF_T */
2704
2705         /* the soft quotas 8 bytes (uint64_t)*/
2706         qt.softlim = (uint64_t)IVAL(pdata,24);
2707 #ifdef LARGE_SMB_OFF_T
2708         qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2709 #else /* LARGE_SMB_OFF_T */
2710         if ((IVAL(pdata,28) != 0)&&
2711                 ((qt.softlim != 0xFFFFFFFF)||
2712                 (IVAL(pdata,28)!=0xFFFFFFFF))) {
2713                 /* more than 32 bits? */
2714                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2715                 return;
2716         }
2717 #endif /* LARGE_SMB_OFF_T */
2718
2719         /* the hard quotas 8 bytes (uint64_t)*/
2720         qt.hardlim = (uint64_t)IVAL(pdata,32);
2721 #ifdef LARGE_SMB_OFF_T
2722         qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2723 #else /* LARGE_SMB_OFF_T */
2724         if ((IVAL(pdata,36) != 0)&&
2725                 ((qt.hardlim != 0xFFFFFFFF)||
2726                 (IVAL(pdata,36)!=0xFFFFFFFF))) {
2727                 /* more than 32 bits? */
2728                 reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2729                 return;
2730         }
2731 #endif /* LARGE_SMB_OFF_T */
2732
2733         sid_parse(pdata+40,sid_len,&sid);
2734         DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2735
2736         /* 44 unknown bytes left... */
2737
2738         if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2739                 reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
2740                 return;
2741         }
2742
2743         send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2744                         pdata, data_len);
2745 }
2746 #endif /* HAVE_SYS_QUOTAS */
2747
2748 static void handle_nttrans(connection_struct *conn,
2749                            struct trans_state *state,
2750                            struct smb_request *req)
2751 {
2752         if (get_Protocol() >= PROTOCOL_NT1) {
2753                 req->flags2 |= 0x40; /* IS_LONG_NAME */
2754                 SSVAL(req->inbuf,smb_flg2,req->flags2);
2755         }
2756
2757
2758         SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2759
2760         /* Now we must call the relevant NT_TRANS function */
2761         switch(state->call) {
2762                 case NT_TRANSACT_CREATE:
2763                 {
2764                         START_PROFILE(NT_transact_create);
2765                         call_nt_transact_create(
2766                                 conn, req,
2767                                 &state->setup, state->setup_count,
2768                                 &state->param, state->total_param,
2769                                 &state->data, state->total_data,
2770                                 state->max_data_return);
2771                         END_PROFILE(NT_transact_create);
2772                         break;
2773                 }
2774
2775                 case NT_TRANSACT_IOCTL:
2776                 {
2777                         START_PROFILE(NT_transact_ioctl);
2778                         call_nt_transact_ioctl(
2779                                 conn, req,
2780                                 &state->setup, state->setup_count,
2781                                 &state->param, state->total_param,
2782                                 &state->data, state->total_data,
2783                                 state->max_data_return);
2784                         END_PROFILE(NT_transact_ioctl);
2785                         break;
2786                 }
2787
2788                 case NT_TRANSACT_SET_SECURITY_DESC:
2789                 {
2790                         START_PROFILE(NT_transact_set_security_desc);
2791                         call_nt_transact_set_security_desc(
2792                                 conn, req,
2793                                 &state->setup, state->setup_count,
2794                                 &state->param, state->total_param,
2795                                 &state->data, state->total_data,
2796                                 state->max_data_return);
2797                         END_PROFILE(NT_transact_set_security_desc);
2798                         break;
2799                 }
2800
2801                 case NT_TRANSACT_NOTIFY_CHANGE:
2802                 {
2803                         START_PROFILE(NT_transact_notify_change);
2804                         call_nt_transact_notify_change(
2805                                 conn, req,
2806                                 &state->setup, state->setup_count,
2807                                 &state->param, state->total_param,
2808                                 &state->data, state->total_data,
2809                                 state->max_data_return,
2810                                 state->max_param_return);
2811                         END_PROFILE(NT_transact_notify_change);
2812                         break;
2813                 }
2814
2815                 case NT_TRANSACT_RENAME:
2816                 {
2817                         START_PROFILE(NT_transact_rename);
2818                         call_nt_transact_rename(
2819                                 conn, req,
2820                                 &state->setup, state->setup_count,
2821                                 &state->param, state->total_param,
2822                                 &state->data, state->total_data,
2823                                 state->max_data_return);
2824                         END_PROFILE(NT_transact_rename);
2825                         break;
2826                 }
2827
2828                 case NT_TRANSACT_QUERY_SECURITY_DESC:
2829                 {
2830                         START_PROFILE(NT_transact_query_security_desc);
2831                         call_nt_transact_query_security_desc(
2832                                 conn, req,
2833                                 &state->setup, state->setup_count,
2834                                 &state->param, state->total_param,
2835                                 &state->data, state->total_data,
2836                                 state->max_data_return);
2837                         END_PROFILE(NT_transact_query_security_desc);
2838                         break;
2839                 }
2840
2841 #ifdef HAVE_SYS_QUOTAS
2842                 case NT_TRANSACT_GET_USER_QUOTA:
2843                 {
2844                         START_PROFILE(NT_transact_get_user_quota);
2845                         call_nt_transact_get_user_quota(
2846                                 conn, req,
2847                                 &state->setup, state->setup_count,
2848                                 &state->param, state->total_param,
2849                                 &state->data, state->total_data,
2850                                 state->max_data_return);
2851                         END_PROFILE(NT_transact_get_user_quota);
2852                         break;
2853                 }
2854
2855                 case NT_TRANSACT_SET_USER_QUOTA:
2856                 {
2857                         START_PROFILE(NT_transact_set_user_quota);
2858                         call_nt_transact_set_user_quota(
2859                                 conn, req,
2860                                 &state->setup, state->setup_count,
2861                                 &state->param, state->total_param,
2862                                 &state->data, state->total_data,
2863                                 state->max_data_return);
2864                         END_PROFILE(NT_transact_set_user_quota);
2865                         break;
2866                 }
2867 #endif /* HAVE_SYS_QUOTAS */
2868
2869                 default:
2870                         /* Error in request */
2871                         DEBUG(0,("handle_nttrans: Unknown request %d in "
2872                                  "nttrans call\n", state->call));
2873                         reply_nterror(req, NT_STATUS_INVALID_LEVEL);
2874                         return;
2875         }
2876         return;
2877 }
2878
2879 /****************************************************************************
2880  Reply to a SMBNTtrans.
2881 ****************************************************************************/
2882
2883 void reply_nttrans(struct smb_request *req)
2884 {
2885         connection_struct *conn = req->conn;
2886         uint32_t pscnt;
2887         uint32_t psoff;
2888         uint32_t dscnt;
2889         uint32_t dsoff;
2890         uint16 function_code;
2891         NTSTATUS result;
2892         struct trans_state *state;
2893
2894         START_PROFILE(SMBnttrans);
2895
2896         if (req->wct < 19) {
2897                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2898                 END_PROFILE(SMBnttrans);
2899                 return;
2900         }
2901
2902         pscnt = IVAL(req->vwv+9, 1);
2903         psoff = IVAL(req->vwv+11, 1);
2904         dscnt = IVAL(req->vwv+13, 1);
2905         dsoff = IVAL(req->vwv+15, 1);
2906         function_code = SVAL(req->vwv+18, 0);
2907
2908         if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2909                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2910                 END_PROFILE(SMBnttrans);
2911                 return;
2912         }
2913
2914         result = allow_new_trans(conn->pending_trans, req->mid);
2915         if (!NT_STATUS_IS_OK(result)) {
2916                 DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2917                 reply_nterror(req, result);
2918                 END_PROFILE(SMBnttrans);
2919                 return;
2920         }
2921
2922         if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2923                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2924                 END_PROFILE(SMBnttrans);
2925                 return;
2926         }
2927
2928         state->cmd = SMBnttrans;
2929
2930         state->mid = req->mid;
2931         state->vuid = req->vuid;
2932         state->total_data = IVAL(req->vwv+3, 1);
2933         state->data = NULL;
2934         state->total_param = IVAL(req->vwv+1, 1);
2935         state->param = NULL;
2936         state->max_data_return = IVAL(req->vwv+7, 1);
2937         state->max_param_return = IVAL(req->vwv+5, 1);
2938
2939         /* setup count is in *words* */
2940         state->setup_count = 2*CVAL(req->vwv+17, 1);
2941         state->setup = NULL;
2942         state->call = function_code;
2943
2944         DEBUG(10, ("num_setup=%u, "
2945                    "param_total=%u, this_param=%u, max_param=%u, "
2946                    "data_total=%u, this_data=%u, max_data=%u, "
2947                    "param_offset=%u, data_offset=%u\n",
2948                    (unsigned)state->setup_count,
2949                    (unsigned)state->total_param, (unsigned)pscnt,
2950                    (unsigned)state->max_param_return,
2951                    (unsigned)state->total_data, (unsigned)dscnt,
2952                    (unsigned)state->max_data_return,
2953                    (unsigned)psoff, (unsigned)dsoff));
2954
2955         /*
2956          * All nttrans messages we handle have smb_wct == 19 +
2957          * state->setup_count.  Ensure this is so as a sanity check.
2958          */
2959
2960         if(req->wct != 19 + (state->setup_count/2)) {
2961                 DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2962                          req->wct, 19 + (state->setup_count/2)));
2963                 goto bad_param;
2964         }
2965
2966         /* Don't allow more than 128mb for each value. */
2967         if ((state->total_data > (1024*1024*128)) ||
2968             (state->total_param > (1024*1024*128))) {
2969                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2970                 END_PROFILE(SMBnttrans);
2971                 return;
2972         }
2973
2974         if ((dscnt > state->total_data) || (pscnt > state->total_param))
2975                 goto bad_param;
2976
2977         if (state->total_data)  {
2978
2979                 if (trans_oob(state->total_data, 0, dscnt)
2980                     || trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2981                         goto bad_param;
2982                 }
2983
2984                 /* Can't use talloc here, the core routines do realloc on the
2985                  * params and data. */
2986                 if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2987                         DEBUG(0,("reply_nttrans: data malloc fail for %u "
2988                                  "bytes !\n", (unsigned int)state->total_data));
2989                         TALLOC_FREE(state);
2990                         reply_nterror(req, NT_STATUS_NO_MEMORY);
2991                         END_PROFILE(SMBnttrans);
2992                         return;
2993                 }
2994
2995                 memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2996         }
2997
2998         if (state->total_param) {
2999
3000                 if (trans_oob(state->total_param, 0, pscnt)
3001                     || trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
3002                         goto bad_param;
3003                 }
3004
3005                 /* Can't use talloc here, the core routines do realloc on the
3006                  * params and data. */
3007                 if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
3008                         DEBUG(0,("reply_nttrans: param malloc fail for %u "
3009                                  "bytes !\n", (unsigned int)state->total_param));
3010                         SAFE_FREE(state->data);
3011                         TALLOC_FREE(state);
3012                         reply_nterror(req, NT_STATUS_NO_MEMORY);
3013                         END_PROFILE(SMBnttrans);
3014                         return;
3015                 }
3016
3017                 memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
3018         }
3019
3020         state->received_data  = dscnt;
3021         state->received_param = pscnt;
3022
3023         if(state->setup_count > 0) {
3024                 DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
3025                           state->setup_count));
3026
3027                 /*
3028                  * No overflow possible here, state->setup_count is an
3029                  * unsigned int, being filled by a single byte from
3030                  * CVAL(req->vwv+13, 0) above. The cast in the comparison
3031                  * below is not necessary, it's here to clarify things. The
3032                  * validity of req->vwv and req->wct has been checked in
3033                  * init_smb_request already.
3034                  */
3035                 if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
3036                         goto bad_param;
3037                 }
3038
3039                 state->setup = (uint16 *)TALLOC(state, state->setup_count);
3040                 if (state->setup == NULL) {
3041                         DEBUG(0,("reply_nttrans : Out of memory\n"));
3042                         SAFE_FREE(state->data);
3043                         SAFE_FREE(state->param);
3044                         TALLOC_FREE(state);
3045                         reply_nterror(req, NT_STATUS_NO_MEMORY);
3046                         END_PROFILE(SMBnttrans);
3047                         return;
3048                 }
3049
3050                 memcpy(state->setup, req->vwv+19, state->setup_count);
3051                 dump_data(10, (uint8 *)state->setup, state->setup_count);
3052         }
3053
3054         if ((state->received_data == state->total_data) &&
3055             (state->received_param == state->total_param)) {
3056                 handle_nttrans(conn, state, req);
3057                 SAFE_FREE(state->param);
3058                 SAFE_FREE(state->data);
3059                 TALLOC_FREE(state);
3060                 END_PROFILE(SMBnttrans);
3061                 return;
3062         }
3063
3064         DLIST_ADD(conn->pending_trans, state);
3065
3066         /* We need to send an interim response then receive the rest
3067            of the parameter/data bytes */
3068         reply_outbuf(req, 0, 0);
3069         show_msg((char *)req->outbuf);
3070         END_PROFILE(SMBnttrans);
3071         return;
3072
3073   bad_param:
3074
3075         DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
3076         SAFE_FREE(state->data);
3077         SAFE_FREE(state->param);
3078         TALLOC_FREE(state);
3079         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3080         END_PROFILE(SMBnttrans);
3081         return;
3082 }
3083
3084 /****************************************************************************
3085  Reply to a SMBnttranss
3086  ****************************************************************************/
3087
3088 void reply_nttranss(struct smb_request *req)
3089 {
3090         connection_struct *conn = req->conn;
3091         uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
3092         struct trans_state *state;
3093
3094         START_PROFILE(SMBnttranss);
3095
3096         show_msg((char *)req->inbuf);
3097
3098         if (req->wct < 18) {
3099                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3100                 END_PROFILE(SMBnttranss);
3101                 return;
3102         }
3103
3104         for (state = conn->pending_trans; state != NULL;
3105              state = state->next) {
3106                 if (state->mid == req->mid) {
3107                         break;
3108                 }
3109         }
3110
3111         if ((state == NULL) || (state->cmd != SMBnttrans)) {
3112                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3113                 END_PROFILE(SMBnttranss);
3114                 return;
3115         }
3116
3117         /* Revise state->total_param and state->total_data in case they have
3118            changed downwards */
3119         if (IVAL(req->vwv+1, 1) < state->total_param) {
3120                 state->total_param = IVAL(req->vwv+1, 1);
3121         }
3122         if (IVAL(req->vwv+3, 1) < state->total_data) {
3123                 state->total_data = IVAL(req->vwv+3, 1);
3124         }
3125
3126         pcnt = IVAL(req->vwv+5, 1);
3127         poff = IVAL(req->vwv+7, 1);
3128         pdisp = IVAL(req->vwv+9, 1);
3129
3130         dcnt = IVAL(req->vwv+11, 1);
3131         doff = IVAL(req->vwv+13, 1);
3132         ddisp = IVAL(req->vwv+15, 1);
3133
3134         state->received_param += pcnt;
3135         state->received_data += dcnt;
3136
3137         if ((state->received_data > state->total_data) ||
3138             (state->received_param > state->total_param))
3139                 goto bad_param;
3140
3141         if (pcnt) {
3142                 if (trans_oob(state->total_param, pdisp, pcnt)
3143                     || trans_oob(smb_len(req->inbuf), poff, pcnt)) {
3144                         goto bad_param;
3145                 }
3146                 memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
3147         }
3148
3149         if (dcnt) {
3150                 if (trans_oob(state->total_data, ddisp, dcnt)
3151                     || trans_oob(smb_len(req->inbuf), doff, dcnt)) {
3152                         goto bad_param;
3153                 }
3154                 memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
3155         }
3156
3157         if ((state->received_param < state->total_param) ||
3158             (state->received_data < state->total_data)) {
3159                 END_PROFILE(SMBnttranss);
3160                 return;
3161         }
3162
3163         handle_nttrans(conn, state, req);
3164
3165         DLIST_REMOVE(conn->pending_trans, state);
3166         SAFE_FREE(state->data);
3167         SAFE_FREE(state->param);
3168         TALLOC_FREE(state);
3169         END_PROFILE(SMBnttranss);
3170         return;
3171
3172   bad_param:
3173
3174         DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
3175         DLIST_REMOVE(conn->pending_trans, state);
3176         SAFE_FREE(state->data);
3177         SAFE_FREE(state->param);
3178         TALLOC_FREE(state);
3179         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3180         END_PROFILE(SMBnttranss);
3181         return;
3182 }