source3/smbd/smb2_create.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Core SMB2 server
   4
   5    Copyright (C) Stefan Metzmacher 2009
   6    Copyright (C) Jeremy Allison 2010
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "printing.h"
  24 #include "smbd/smbd.h"
  25 #include "smbd/globals.h"
  26 #include "../libcli/smb/smb_common.h"
  27 #include "../librpc/gen_ndr/ndr_security.h"
  28 #include "../lib/util/tevent_ntstatus.h"
  29
  30 int map_smb2_oplock_levels_to_samba(uint8_t in_oplock_level)
  31 {
  32         switch(in_oplock_level) {
  33         case SMB2_OPLOCK_LEVEL_NONE:
  34                 return NO_OPLOCK;
  35         case SMB2_OPLOCK_LEVEL_II:
  36                 return LEVEL_II_OPLOCK;
  37         case SMB2_OPLOCK_LEVEL_EXCLUSIVE:
  38                 return EXCLUSIVE_OPLOCK;
  39         case SMB2_OPLOCK_LEVEL_BATCH:
  40                 return BATCH_OPLOCK;
  41         case SMB2_OPLOCK_LEVEL_LEASE:
  42                 DEBUG(2,("map_smb2_oplock_levels_to_samba: "
  43                         "LEASE_OPLOCK_REQUESTED\n"));
  44                 return NO_OPLOCK;
  45         default:
  46                 DEBUG(2,("map_smb2_oplock_levels_to_samba: "
  47                         "unknown level %u\n",
  48                         (unsigned int)in_oplock_level));
  49                 return NO_OPLOCK;
  50         }
  51 }
  52
  53 static uint8_t map_samba_oplock_levels_to_smb2(int oplock_type)
  54 {
  55         if (BATCH_OPLOCK_TYPE(oplock_type)) {
  56                 return SMB2_OPLOCK_LEVEL_BATCH;
  57         } else if (EXCLUSIVE_OPLOCK_TYPE(oplock_type)) {
  58                 return SMB2_OPLOCK_LEVEL_EXCLUSIVE;
  59         } else if (oplock_type == LEVEL_II_OPLOCK) {
  60                 /*
  61                  * Don't use LEVEL_II_OPLOCK_TYPE here as
  62                  * this also includes FAKE_LEVEL_II_OPLOCKs
  63                  * which are internal only.
  64                  */
  65                 return SMB2_OPLOCK_LEVEL_II;
  66         } else {
  67                 return SMB2_OPLOCK_LEVEL_NONE;
  68         }
  69 }
  70
  71 static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
  72                         struct tevent_context *ev,
  73                         struct smbd_smb2_request *smb2req,
  74                         uint8_t in_oplock_level,
  75                         uint32_t in_impersonation_level,
  76                         uint32_t in_desired_access,
  77                         uint32_t in_file_attributes,
  78                         uint32_t in_share_access,
  79                         uint32_t in_create_disposition,
  80                         uint32_t in_create_options,
  81                         const char *in_name,
  82                         struct smb2_create_blobs in_context_blobs);
  83 static NTSTATUS smbd_smb2_create_recv(struct tevent_req *req,
  84                         TALLOC_CTX *mem_ctx,
  85                         uint8_t *out_oplock_level,
  86                         uint32_t *out_create_action,
  87                         NTTIME *out_creation_time,
  88                         NTTIME *out_last_access_time,
  89                         NTTIME *out_last_write_time,
  90                         NTTIME *out_change_time,
  91                         uint64_t *out_allocation_size,
  92                         uint64_t *out_end_of_file,
  93                         uint32_t *out_file_attributes,
  94                         uint64_t *out_file_id_persistent,
  95                         uint64_t *out_file_id_volatile,
  96                         struct smb2_create_blobs *out_context_blobs);
  97
  98 static void smbd_smb2_request_create_done(struct tevent_req *tsubreq);
  99 NTSTATUS smbd_smb2_request_process_create(struct smbd_smb2_request *smb2req)
 100 {
 101         const uint8_t *inbody;
 102         int i = smb2req->current_idx;
 103         size_t expected_body_size = 0x39;
 104         size_t body_size;
 105         uint8_t in_oplock_level;
 106         uint32_t in_impersonation_level;
 107         uint32_t in_desired_access;
 108         uint32_t in_file_attributes;
 109         uint32_t in_share_access;
 110         uint32_t in_create_disposition;
 111         uint32_t in_create_options;
 112         uint16_t in_name_offset;
 113         uint16_t in_name_length;
 114         DATA_BLOB in_name_buffer;
 115         char *in_name_string;
 116         size_t in_name_string_size;
 117         uint32_t name_offset = 0;
 118         uint32_t name_available_length = 0;
 119         uint32_t in_context_offset;
 120         uint32_t in_context_length;
 121         DATA_BLOB in_context_buffer;
 122         struct smb2_create_blobs in_context_blobs;
 123         uint32_t context_offset = 0;
 124         uint32_t context_available_length = 0;
 125         uint32_t dyn_offset;
 126         NTSTATUS status;
 127         bool ok;
 128         struct tevent_req *tsubreq;
 129
 130         if (smb2req->in.vector[i+1].iov_len != (expected_body_size & 0xFFFFFFFE)) {
 131                 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
 132         }
 133
 134         inbody = (const uint8_t *)smb2req->in.vector[i+1].iov_base;
 135
 136         body_size = SVAL(inbody, 0x00);
 137         if (body_size != expected_body_size) {
 138                 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
 139         }
 140
 141         in_oplock_level         = CVAL(inbody, 0x03);
 142         in_impersonation_level  = IVAL(inbody, 0x04);
 143         in_desired_access       = IVAL(inbody, 0x18);
 144         in_file_attributes      = IVAL(inbody, 0x1C);
 145         in_share_access         = IVAL(inbody, 0x20);
 146         in_create_disposition   = IVAL(inbody, 0x24);
 147         in_create_options       = IVAL(inbody, 0x28);
 148         in_name_offset          = SVAL(inbody, 0x2C);
 149         in_name_length          = SVAL(inbody, 0x2E);
 150         in_context_offset       = IVAL(inbody, 0x30);
 151         in_context_length       = IVAL(inbody, 0x34);
 152
 153         /*
 154          * First check if the dynamic name and context buffers
 155          * are correctly specified.
 156          *
 157          * Note: That we don't check if the name and context buffers
 158          *       overlap
 159          */
 160
 161         dyn_offset = SMB2_HDR_BODY + (body_size & 0xFFFFFFFE);
 162
 163         if (in_name_offset == 0 && in_name_length == 0) {
 164                 /* This is ok */
 165                 name_offset = 0;
 166         } else if (in_name_offset < dyn_offset) {
 167                 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
 168         } else {
 169                 name_offset = in_name_offset - dyn_offset;
 170         }
 171
 172         if (name_offset > smb2req->in.vector[i+2].iov_len) {
 173                 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
 174         }
 175
 176         name_available_length = smb2req->in.vector[i+2].iov_len - name_offset;
 177
 178         if (in_name_length > name_available_length) {
 179                 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
 180         }
 181
 182         in_name_buffer.data = (uint8_t *)smb2req->in.vector[i+2].iov_base +
 183                               name_offset;
 184         in_name_buffer.length = in_name_length;
 185
 186         if (in_context_offset == 0 && in_context_length == 0) {
 187                 /* This is ok */
 188                 context_offset = 0;
 189         } else if (in_context_offset < dyn_offset) {
 190                 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
 191         } else {
 192                 context_offset = in_context_offset - dyn_offset;
 193         }
 194
 195         if (context_offset > smb2req->in.vector[i+2].iov_len) {
 196                 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
 197         }
 198
 199         context_available_length = smb2req->in.vector[i+2].iov_len - context_offset;
 200
 201         if (in_context_length > context_available_length) {
 202                 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
 203         }
 204
 205         in_context_buffer.data = (uint8_t *)smb2req->in.vector[i+2].iov_base +
 206                                   context_offset;
 207         in_context_buffer.length = in_context_length;
 208
 209         /*
 210          * Now interpret the name and context buffers
 211          */
 212
 213         ok = convert_string_talloc(smb2req, CH_UTF16, CH_UNIX,
 214                                    in_name_buffer.data,
 215                                    in_name_buffer.length,
 216                                    &in_name_string,
 217                                    &in_name_string_size);
 218         if (!ok) {
 219                 return smbd_smb2_request_error(smb2req, NT_STATUS_ILLEGAL_CHARACTER);
 220         }
 221
 222         ZERO_STRUCT(in_context_blobs);
 223         status = smb2_create_blob_parse(smb2req, in_context_buffer, &in_context_blobs);
 224         if (!NT_STATUS_IS_OK(status)) {
 225                 return smbd_smb2_request_error(smb2req, status);
 226         }
 227
 228         tsubreq = smbd_smb2_create_send(smb2req,
 229                                        smb2req->sconn->smb2.event_ctx,
 230                                        smb2req,
 231                                        in_oplock_level,
 232                                        in_impersonation_level,
 233                                        in_desired_access,
 234                                        in_file_attributes,
 235                                        in_share_access,
 236                                        in_create_disposition,
 237                                        in_create_options,
 238                                        in_name_string,
 239                                        in_context_blobs);
 240         if (tsubreq == NULL) {
 241                 smb2req->subreq = NULL;
 242                 return smbd_smb2_request_error(smb2req, NT_STATUS_NO_MEMORY);
 243         }
 244         tevent_req_set_callback(tsubreq, smbd_smb2_request_create_done, smb2req);
 245
 246         return smbd_smb2_request_pending_queue(smb2req, tsubreq);
 247 }
 248
 249 static uint64_t get_mid_from_smb2req(struct smbd_smb2_request *smb2req)
 250 {
 251         uint8_t *reqhdr = (uint8_t *)smb2req->out.vector[smb2req->current_idx].iov_base;
 252         return BVAL(reqhdr, SMB2_HDR_MESSAGE_ID);
 253 }
 254
 255 static void smbd_smb2_request_create_done(struct tevent_req *tsubreq)
 256 {
 257         struct smbd_smb2_request *smb2req = tevent_req_callback_data(tsubreq,
 258                                         struct smbd_smb2_request);
 259         int i = smb2req->current_idx;
 260         uint8_t *outhdr;
 261         DATA_BLOB outbody;
 262         DATA_BLOB outdyn;
 263         uint8_t out_oplock_level = 0;
 264         uint32_t out_create_action = 0;
 265         NTTIME out_creation_time = 0;
 266         NTTIME out_last_access_time = 0;
 267         NTTIME out_last_write_time = 0;
 268         NTTIME out_change_time = 0;
 269         uint64_t out_allocation_size = 0;
 270         uint64_t out_end_of_file = 0;
 271         uint32_t out_file_attributes = 0;
 272         uint64_t out_file_id_persistent = 0;
 273         uint64_t out_file_id_volatile = 0;
 274         struct smb2_create_blobs out_context_blobs;
 275         DATA_BLOB out_context_buffer;
 276         uint16_t out_context_buffer_offset = 0;
 277         NTSTATUS status;
 278         NTSTATUS error; /* transport error */
 279
 280         if (smb2req->cancelled) {
 281                 uint64_t mid = get_mid_from_smb2req(smb2req);
 282                 DEBUG(10,("smbd_smb2_request_create_done: cancelled mid %llu\n",
 283                         (unsigned long long)mid ));
 284                 error = smbd_smb2_request_error(smb2req, NT_STATUS_CANCELLED);
 285                 if (!NT_STATUS_IS_OK(error)) {
 286                         smbd_server_connection_terminate(smb2req->sconn,
 287                                 nt_errstr(error));
 288                         return;
 289                 }
 290                 return;
 291         }
 292
 293         status = smbd_smb2_create_recv(tsubreq,
 294                                        smb2req,
 295                                        &out_oplock_level,
 296                                        &out_create_action,
 297                                        &out_creation_time,
 298                                        &out_last_access_time,
 299                                        &out_last_write_time,
 300                                        &out_change_time,
 301                                        &out_allocation_size,
 302                                        &out_end_of_file,
 303                                        &out_file_attributes,
 304                                        &out_file_id_persistent,
 305                                        &out_file_id_volatile,
 306                                        &out_context_blobs);
 307         if (!NT_STATUS_IS_OK(status)) {
 308                 error = smbd_smb2_request_error(smb2req, status);
 309                 if (!NT_STATUS_IS_OK(error)) {
 310                         smbd_server_connection_terminate(smb2req->sconn,
 311                                                          nt_errstr(error));
 312                         return;
 313                 }
 314                 return;
 315         }
 316
 317         status = smb2_create_blob_push(smb2req, &out_context_buffer, out_context_blobs);
 318         if (!NT_STATUS_IS_OK(status)) {
 319                 error = smbd_smb2_request_error(smb2req, status);
 320                 if (!NT_STATUS_IS_OK(error)) {
 321                         smbd_server_connection_terminate(smb2req->sconn,
 322                                                          nt_errstr(error));
 323                         return;
 324                 }
 325                 return;
 326         }
 327
 328         if (out_context_buffer.length > 0) {
 329                 out_context_buffer_offset = SMB2_HDR_BODY + 0x58;
 330         }
 331
 332         outhdr = (uint8_t *)smb2req->out.vector[i].iov_base;
 333
 334         outbody = data_blob_talloc(smb2req->out.vector, NULL, 0x58);
 335         if (outbody.data == NULL) {
 336                 error = smbd_smb2_request_error(smb2req, NT_STATUS_NO_MEMORY);
 337                 if (!NT_STATUS_IS_OK(error)) {
 338                         smbd_server_connection_terminate(smb2req->sconn,
 339                                                          nt_errstr(error));
 340                         return;
 341                 }
 342                 return;
 343         }
 344
 345         SSVAL(outbody.data, 0x00, 0x58 + 1);    /* struct size */
 346         SCVAL(outbody.data, 0x02,
 347               out_oplock_level);                /* oplock level */
 348         SCVAL(outbody.data, 0x03, 0);           /* reserved */
 349         SIVAL(outbody.data, 0x04,
 350               out_create_action);               /* create action */
 351         SBVAL(outbody.data, 0x08,
 352               out_creation_time);               /* creation time */
 353         SBVAL(outbody.data, 0x10,
 354               out_last_access_time);            /* last access time */
 355         SBVAL(outbody.data, 0x18,
 356               out_last_write_time);             /* last write time */
 357         SBVAL(outbody.data, 0x20,
 358               out_change_time);                 /* change time */
 359         SBVAL(outbody.data, 0x28,
 360               out_allocation_size);             /* allocation size */
 361         SBVAL(outbody.data, 0x30,
 362               out_end_of_file);                 /* end of file */
 363         SIVAL(outbody.data, 0x38,
 364               out_file_attributes);             /* file attributes */
 365         SIVAL(outbody.data, 0x3C, 0);           /* reserved */
 366         SBVAL(outbody.data, 0x40,
 367               out_file_id_persistent);          /* file id (persistent) */
 368         SBVAL(outbody.data, 0x48,
 369               out_file_id_volatile);            /* file id (volatile) */
 370         SIVAL(outbody.data, 0x50,
 371               out_context_buffer_offset);       /* create contexts offset */
 372         SIVAL(outbody.data, 0x54,
 373               out_context_buffer.length);       /* create contexts length */
 374
 375         outdyn = out_context_buffer;
 376
 377         error = smbd_smb2_request_done(smb2req, outbody, &outdyn);
 378         if (!NT_STATUS_IS_OK(error)) {
 379                 smbd_server_connection_terminate(smb2req->sconn,
 380                                                  nt_errstr(error));
 381                 return;
 382         }
 383 }
 384
 385 struct smbd_smb2_create_state {
 386         struct smbd_smb2_request *smb2req;
 387         struct smb_request *smb1req;
 388         struct timed_event *te;
 389         struct tevent_immediate *im;
 390         struct timeval request_time;
 391         struct file_id id;
 392         DATA_BLOB private_data;
 393         uint8_t out_oplock_level;
 394         uint32_t out_create_action;
 395         NTTIME out_creation_time;
 396         NTTIME out_last_access_time;
 397         NTTIME out_last_write_time;
 398         NTTIME out_change_time;
 399         uint64_t out_allocation_size;
 400         uint64_t out_end_of_file;
 401         uint32_t out_file_attributes;
 402         uint64_t out_file_id_persistent;
 403         uint64_t out_file_id_volatile;
 404         struct smb2_create_blobs out_context_blobs;
 405 };
 406
 407 static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
 408                         struct tevent_context *ev,
 409                         struct smbd_smb2_request *smb2req,
 410                         uint8_t in_oplock_level,
 411                         uint32_t in_impersonation_level,
 412                         uint32_t in_desired_access,
 413                         uint32_t in_file_attributes,
 414                         uint32_t in_share_access,
 415                         uint32_t in_create_disposition,
 416                         uint32_t in_create_options,
 417                         const char *in_name,
 418                         struct smb2_create_blobs in_context_blobs)
 419 {
 420         struct tevent_req *req = NULL;
 421         struct smbd_smb2_create_state *state = NULL;
 422         NTSTATUS status;
 423         struct smb_request *smb1req = NULL;
 424         files_struct *result = NULL;
 425         int info;
 426         struct timespec write_time_ts;
 427         struct smb2_create_blobs out_context_blobs;
 428         int requested_oplock_level;
 429
 430         ZERO_STRUCT(out_context_blobs);
 431
 432         if(lp_fake_oplocks(SNUM(smb2req->tcon->compat_conn))) {
 433                 requested_oplock_level = SMB2_OPLOCK_LEVEL_NONE;
 434         } else {
 435                 requested_oplock_level = in_oplock_level;
 436         }
 437
 438
 439         if (!smb2req->async) {
 440                 /* New create call. */
 441                 req = tevent_req_create(mem_ctx, &state,
 442                                 struct smbd_smb2_create_state);
 443                 if (req == NULL) {
 444                         return NULL;
 445                 }
 446                 state->smb2req = smb2req;
 447                 smb2req->subreq = req; /* So we can find this when going async. */
 448
 449                 smb1req = smbd_smb2_fake_smb_request(smb2req);
 450                 if (tevent_req_nomem(smb1req, req)) {
 451                         return tevent_req_post(req, ev);
 452                 }
 453                 state->smb1req = smb1req;
 454                 DEBUG(10,("smbd_smb2_create: name[%s]\n",
 455                         in_name));
 456         } else {
 457                 /* Re-entrant create call. */
 458                 req = smb2req->subreq;
 459                 state = tevent_req_data(req,
 460                                 struct smbd_smb2_create_state);
 461                 smb1req = state->smb1req;
 462                 DEBUG(10,("smbd_smb2_create_send: reentrant for file %s\n",
 463                         in_name ));
 464         }
 465
 466         if (IS_IPC(smb1req->conn)) {
 467                 const char *pipe_name = in_name;
 468
 469                 if (!lp_nt_pipe_support()) {
 470                         tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
 471                         return tevent_req_post(req, ev);
 472                 }
 473
 474                 /* Strip \\ off the name. */
 475                 if (pipe_name[0] == '\\') {
 476                         pipe_name++;
 477                 }
 478
 479                 status = open_np_file(smb1req, pipe_name, &result);
 480                 if (!NT_STATUS_IS_OK(status)) {
 481                         tevent_req_nterror(req, status);
 482                         return tevent_req_post(req, ev);
 483                 }
 484                 info = FILE_WAS_OPENED;
 485         } else if (CAN_PRINT(smb1req->conn)) {
 486                 status = file_new(smb1req, smb1req->conn, &result);
 487                 if(!NT_STATUS_IS_OK(status)) {
 488                         tevent_req_nterror(req, status);
 489                         return tevent_req_post(req, ev);
 490                 }
 491
 492                 status = print_spool_open(result, in_name,
 493                                           smb1req->vuid);
 494                 if (!NT_STATUS_IS_OK(status)) {
 495                         file_free(smb1req, result);
 496                         tevent_req_nterror(req, status);
 497                         return tevent_req_post(req, ev);
 498                 }
 499                 info = FILE_WAS_CREATED;
 500         } else {
 501                 char *fname;
 502                 struct smb_filename *smb_fname = NULL;
 503                 struct smb2_create_blob *exta = NULL;
 504                 struct ea_list *ea_list = NULL;
 505                 struct smb2_create_blob *mxac = NULL;
 506                 NTTIME max_access_time = 0;
 507                 struct smb2_create_blob *secd = NULL;
 508                 struct security_descriptor *sec_desc = NULL;
 509                 struct smb2_create_blob *dhnq = NULL;
 510                 struct smb2_create_blob *dhnc = NULL;
 511                 struct smb2_create_blob *alsi = NULL;
 512                 uint64_t allocation_size = 0;
 513                 struct smb2_create_blob *twrp = NULL;
 514                 struct smb2_create_blob *qfid = NULL;
 515
 516                 exta = smb2_create_blob_find(&in_context_blobs,
 517                                              SMB2_CREATE_TAG_EXTA);
 518                 mxac = smb2_create_blob_find(&in_context_blobs,
 519                                              SMB2_CREATE_TAG_MXAC);
 520                 secd = smb2_create_blob_find(&in_context_blobs,
 521                                              SMB2_CREATE_TAG_SECD);
 522                 dhnq = smb2_create_blob_find(&in_context_blobs,
 523                                              SMB2_CREATE_TAG_DHNQ);
 524                 dhnc = smb2_create_blob_find(&in_context_blobs,
 525                                              SMB2_CREATE_TAG_DHNC);
 526                 alsi = smb2_create_blob_find(&in_context_blobs,
 527                                              SMB2_CREATE_TAG_ALSI);
 528                 twrp = smb2_create_blob_find(&in_context_blobs,
 529                                              SMB2_CREATE_TAG_TWRP);
 530                 qfid = smb2_create_blob_find(&in_context_blobs,
 531                                              SMB2_CREATE_TAG_QFID);
 532
 533                 fname = talloc_strdup(state, in_name);
 534                 if (tevent_req_nomem(fname, req)) {
 535                         return tevent_req_post(req, ev);
 536                 }
 537
 538                 if (exta) {
 539                         if (dhnc) {
 540                                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 541                                 return tevent_req_post(req, ev);
 542                         }
 543
 544                         ea_list = read_nttrans_ea_list(mem_ctx,
 545                                 (const char *)exta->data.data, exta->data.length);
 546                         if (!ea_list) {
 547                                 DEBUG(10,("smbd_smb2_create_send: read_ea_name_list failed.\n"));
 548                                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 549                                 return tevent_req_post(req, ev);
 550                         }
 551                 }
 552
 553                 if (mxac) {
 554                         if (dhnc) {
 555                                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 556                                 return tevent_req_post(req, ev);
 557                         }
 558
 559                         if (mxac->data.length == 0) {
 560                                 max_access_time = 0;
 561                         } else if (mxac->data.length == 8) {
 562                                 max_access_time = BVAL(mxac->data.data, 0);
 563                         } else {
 564                                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 565                                 return tevent_req_post(req, ev);
 566                         }
 567                 }
 568
 569                 if (secd) {
 570                         enum ndr_err_code ndr_err;
 571
 572                         if (dhnc) {
 573                                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 574                                 return tevent_req_post(req, ev);
 575                         }
 576
 577                         sec_desc = talloc_zero(state, struct security_descriptor);
 578                         if (tevent_req_nomem(sec_desc, req)) {
 579                                 return tevent_req_post(req, ev);
 580                         }
 581
 582                         ndr_err = ndr_pull_struct_blob(&secd->data,
 583                                 sec_desc, sec_desc,
 584                                 (ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
 585                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 586                                 DEBUG(2,("ndr_pull_security_descriptor failed: %s\n",
 587                                          ndr_errstr(ndr_err)));
 588                                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 589                                 return tevent_req_post(req, ev);
 590                         }
 591                 }
 592
 593                 if (dhnq) {
 594                         if (dhnc) {
 595                                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 596                                 return tevent_req_post(req, ev);
 597                         }
 598
 599                         if (dhnq->data.length != 16) {
 600                                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 601                                 return tevent_req_post(req, ev);
 602                         }
 603                         /*
 604                          * we don't support durable handles yet
 605                          * and have to ignore this
 606                          */
 607                 }
 608
 609                 if (dhnc) {
 610                         if (dhnc->data.length != 16) {
 611                                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 612                                 return tevent_req_post(req, ev);
 613                         }
 614                         /* we don't support durable handles yet */
 615                         tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
 616                         return tevent_req_post(req, ev);
 617                 }
 618
 619                 if (alsi) {
 620                         if (dhnc) {
 621                                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 622                                 return tevent_req_post(req, ev);
 623                         }
 624
 625                         if (alsi->data.length != 8) {
 626                                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 627                                 return tevent_req_post(req, ev);
 628                         }
 629                         allocation_size = BVAL(alsi->data.data, 0);
 630                 }
 631
 632                 if (twrp) {
 633                         NTTIME nttime;
 634                         time_t t;
 635                         struct tm *tm;
 636
 637                         if (dhnc) {
 638                                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 639                                 return tevent_req_post(req, ev);
 640                         }
 641
 642                         if (twrp->data.length != 8) {
 643                                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 644                                 return tevent_req_post(req, ev);
 645                         }
 646
 647                         nttime = BVAL(twrp->data.data, 0);
 648                         t = nt_time_to_unix(nttime);
 649                         tm = gmtime(&t);
 650
 651                         TALLOC_FREE(fname);
 652                         fname = talloc_asprintf(state,
 653                                         "@GMT-%04u.%02u.%02u-%02u.%02u.%02u\\%s",
 654                                         tm->tm_year + 1900,
 655                                         tm->tm_mon + 1,
 656                                         tm->tm_mday,
 657                                         tm->tm_hour,
 658                                         tm->tm_min,
 659                                         tm->tm_sec,
 660                                         in_name);
 661                         if (tevent_req_nomem(fname, req)) {
 662                                 return tevent_req_post(req, ev);
 663                         }
 664                 }
 665
 666                 if (qfid) {
 667                         if (qfid->data.length != 0) {
 668                                 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
 669                                 return tevent_req_post(req, ev);
 670                         }
 671                 }
 672
 673                 /* these are ignored for SMB2 */
 674                 in_create_options &= ~(0x10);/* NTCREATEX_OPTIONS_SYNC_ALERT */
 675                 in_create_options &= ~(0x20);/* NTCREATEX_OPTIONS_ASYNC_ALERT */
 676
 677                 /*
 678                  * For a DFS path the function parse_dfs_path()
 679                  * will do the path processing.
 680                  */
 681
 682                 if (!(smb1req->flags2 & FLAGS2_DFS_PATHNAMES)) {
 683                         /* convert '\\' into '/' */
 684                         status = check_path_syntax(fname);
 685                         if (!NT_STATUS_IS_OK(status)) {
 686                                 tevent_req_nterror(req, status);
 687                                 return tevent_req_post(req, ev);
 688                         }
 689                 }
 690
 691                 status = filename_convert(req,
 692                                           smb1req->conn,
 693                                           smb1req->flags2 & FLAGS2_DFS_PATHNAMES,
 694                                           fname,
 695                                           0,
 696                                           NULL,
 697                                           &smb_fname);
 698                 if (!NT_STATUS_IS_OK(status)) {
 699                         tevent_req_nterror(req, status);
 700                         return tevent_req_post(req, ev);
 701                 }
 702
 703                 in_file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
 704
 705                 status = SMB_VFS_CREATE_FILE(smb1req->conn,
 706                                              smb1req,
 707                                              0, /* root_dir_fid */
 708                                              smb_fname,
 709                                              in_desired_access,
 710                                              in_share_access,
 711                                              in_create_disposition,
 712                                              in_create_options,
 713                                              in_file_attributes,
 714                                              map_smb2_oplock_levels_to_samba(requested_oplock_level),
 715                                              allocation_size,
 716                                              0, /* private_flags */
 717                                              sec_desc,
 718                                              ea_list,
 719                                              &result,
 720                                              &info);
 721                 if (!NT_STATUS_IS_OK(status)) {
 722                         if (open_was_deferred(smb1req->sconn, smb1req->mid)) {
 723                                 return req;
 724                         }
 725                         tevent_req_nterror(req, status);
 726                         return tevent_req_post(req, ev);
 727                 }
 728
 729                 if (mxac) {
 730                         NTTIME last_write_time;
 731
 732                         unix_timespec_to_nt_time(&last_write_time,
 733                                                  result->fsp_name->st.st_ex_mtime);
 734                         if (last_write_time != max_access_time) {
 735                                 uint8_t p[8];
 736                                 uint32_t max_access_granted;
 737                                 DATA_BLOB blob = data_blob_const(p, sizeof(p));
 738
 739                                 status = smbd_calculate_access_mask(smb1req->conn,
 740                                                         result->fsp_name,
 741                                                         /*
 742                                                          * at this stage
 743                                                          * it exists
 744                                                          */
 745                                                         true,
 746                                                         SEC_FLAG_MAXIMUM_ALLOWED,
 747                                                         &max_access_granted);
 748
 749                                 SIVAL(p, 0, NT_STATUS_V(status));
 750                                 SIVAL(p, 4, max_access_granted);
 751
 752                                 status = smb2_create_blob_add(state,
 753                                                         &out_context_blobs,
 754                                                         SMB2_CREATE_TAG_MXAC,
 755                                                         blob);
 756                                 if (!NT_STATUS_IS_OK(status)) {
 757                                         tevent_req_nterror(req, status);
 758                                         return tevent_req_post(req, ev);
 759                                 }
 760                         }
 761                 }
 762
 763                 if (qfid) {
 764                         uint8_t p[32];
 765                         uint64_t file_index = get_FileIndex(result->conn,
 766                                                         &result->fsp_name->st);
 767                         DATA_BLOB blob = data_blob_const(p, sizeof(p));
 768
 769                         ZERO_STRUCT(p);
 770
 771                         /* From conversations with Microsoft engineers at
 772                            the MS plugfest. The first 8 bytes are the "volume index"
 773                            == inode, the second 8 bytes are the "volume id",
 774                            == dev. This will be updated in the SMB2 doc. */
 775                         SBVAL(p, 0, file_index);
 776                         SIVAL(p, 8, result->fsp_name->st.st_ex_dev);/* FileIndexHigh */
 777
 778                         status = smb2_create_blob_add(state, &out_context_blobs,
 779                                                       SMB2_CREATE_TAG_QFID,
 780                                                       blob);
 781                         if (!NT_STATUS_IS_OK(status)) {
 782                                 tevent_req_nterror(req, status);
 783                                 return tevent_req_post(req, ev);
 784                         }
 785                 }
 786         }
 787
 788         smb2req->compat_chain_fsp = smb1req->chain_fsp;
 789
 790         if(lp_fake_oplocks(SNUM(smb2req->tcon->compat_conn))) {
 791                 state->out_oplock_level = in_oplock_level;
 792         } else {
 793                 state->out_oplock_level = map_samba_oplock_levels_to_smb2(result->oplock_type);
 794         }
 795
 796         if ((in_create_disposition == FILE_SUPERSEDE)
 797             && (info == FILE_WAS_OVERWRITTEN)) {
 798                 state->out_create_action = FILE_WAS_SUPERSEDED;
 799         } else {
 800                 state->out_create_action = info;
 801         }
 802         state->out_file_attributes = dos_mode(result->conn,
 803                                            result->fsp_name);
 804         /* Deal with other possible opens having a modified
 805            write time. JRA. */
 806         ZERO_STRUCT(write_time_ts);
 807         get_file_infos(result->file_id, 0, NULL, &write_time_ts);
 808         if (!null_timespec(write_time_ts)) {
 809                 update_stat_ex_mtime(&result->fsp_name->st, write_time_ts);
 810         }
 811
 812         unix_timespec_to_nt_time(&state->out_creation_time,
 813                         get_create_timespec(smb1req->conn, result,
 814                                         result->fsp_name));
 815         unix_timespec_to_nt_time(&state->out_last_access_time,
 816                         result->fsp_name->st.st_ex_atime);
 817         unix_timespec_to_nt_time(&state->out_last_write_time,
 818                         result->fsp_name->st.st_ex_mtime);
 819         unix_timespec_to_nt_time(&state->out_change_time,
 820                         get_change_timespec(smb1req->conn, result,
 821                                         result->fsp_name));
 822         state->out_allocation_size =
 823                         result->fsp_name->st.st_ex_blksize *
 824                         result->fsp_name->st.st_ex_blocks;
 825         state->out_end_of_file = result->fsp_name->st.st_ex_size;
 826         if (state->out_file_attributes == 0) {
 827                 state->out_file_attributes = FILE_ATTRIBUTE_NORMAL;
 828         }
 829         state->out_file_id_persistent = result->fnum;
 830         state->out_file_id_volatile = result->fnum;
 831         state->out_context_blobs = out_context_blobs;
 832
 833         tevent_req_done(req);
 834         return tevent_req_post(req, ev);
 835 }
 836
 837 static NTSTATUS smbd_smb2_create_recv(struct tevent_req *req,
 838                         TALLOC_CTX *mem_ctx,
 839                         uint8_t *out_oplock_level,
 840                         uint32_t *out_create_action,
 841                         NTTIME *out_creation_time,
 842                         NTTIME *out_last_access_time,
 843                         NTTIME *out_last_write_time,
 844                         NTTIME *out_change_time,
 845                         uint64_t *out_allocation_size,
 846                         uint64_t *out_end_of_file,
 847                         uint32_t *out_file_attributes,
 848                         uint64_t *out_file_id_persistent,
 849                         uint64_t *out_file_id_volatile,
 850                         struct smb2_create_blobs *out_context_blobs)
 851 {
 852         NTSTATUS status;
 853         struct smbd_smb2_create_state *state = tevent_req_data(req,
 854                                                struct smbd_smb2_create_state);
 855
 856         if (tevent_req_is_nterror(req, &status)) {
 857                 tevent_req_received(req);
 858                 return status;
 859         }
 860
 861         *out_oplock_level       = state->out_oplock_level;
 862         *out_create_action      = state->out_create_action;
 863         *out_creation_time      = state->out_creation_time;
 864         *out_last_access_time   = state->out_last_access_time;
 865         *out_last_write_time    = state->out_last_write_time;
 866         *out_change_time        = state->out_change_time;
 867         *out_allocation_size    = state->out_allocation_size;
 868         *out_end_of_file        = state->out_end_of_file;
 869         *out_file_attributes    = state->out_file_attributes;
 870         *out_file_id_persistent = state->out_file_id_persistent;
 871         *out_file_id_volatile   = state->out_file_id_volatile;
 872         *out_context_blobs      = state->out_context_blobs;
 873
 874         talloc_steal(mem_ctx, state->out_context_blobs.blobs);
 875
 876         tevent_req_received(req);
 877         return NT_STATUS_OK;
 878 }
 879
 880 /*********************************************************
 881  Code for dealing with deferred opens.
 882 *********************************************************/
 883
 884 bool get_deferred_open_message_state_smb2(struct smbd_smb2_request *smb2req,
 885                         struct timeval *p_request_time,
 886                         void **pp_state)
 887 {
 888         struct smbd_smb2_create_state *state = NULL;
 889         struct tevent_req *req = NULL;
 890
 891         if (!smb2req) {
 892                 return false;
 893         }
 894         if (!smb2req->async) {
 895                 return false;
 896         }
 897         req = smb2req->subreq;
 898         if (!req) {
 899                 return false;
 900         }
 901         state = tevent_req_data(req, struct smbd_smb2_create_state);
 902         if (!state) {
 903                 return false;
 904         }
 905         if (p_request_time) {
 906                 *p_request_time = state->request_time;
 907         }
 908         if (pp_state) {
 909                 *pp_state = (void *)state->private_data.data;
 910         }
 911         return true;
 912 }
 913
 914 /*********************************************************
 915  Re-process this call early - requested by message or
 916  close.
 917 *********************************************************/
 918
 919 static struct smbd_smb2_request *find_open_smb2req(
 920         struct smbd_server_connection *sconn, uint64_t mid)
 921 {
 922         struct smbd_smb2_request *smb2req;
 923
 924         for (smb2req = sconn->smb2.requests; smb2req; smb2req = smb2req->next) {
 925                 uint64_t message_id;
 926                 if (smb2req->subreq == NULL) {
 927                         /* This message has been processed. */
 928                         continue;
 929                 }
 930                 if (!tevent_req_is_in_progress(smb2req->subreq)) {
 931                         /* This message has been processed. */
 932                         continue;
 933                 }
 934                 message_id = get_mid_from_smb2req(smb2req);
 935                 if (message_id == mid) {
 936                         return smb2req;
 937                 }
 938         }
 939         return NULL;
 940 }
 941
 942 bool open_was_deferred_smb2(struct smbd_server_connection *sconn, uint64_t mid)
 943 {
 944         struct smbd_smb2_create_state *state = NULL;
 945         struct smbd_smb2_request *smb2req;
 946
 947         smb2req = find_open_smb2req(sconn, mid);
 948
 949         if (!smb2req) {
 950                 DEBUG(10,("open_was_deferred_smb2: mid %llu smb2req == NULL\n",
 951                         (unsigned long long)mid));
 952                 return false;
 953         }
 954         if (!smb2req->subreq) {
 955                 return false;
 956         }
 957         if (!tevent_req_is_in_progress(smb2req->subreq)) {
 958                 return false;
 959         }
 960         state = tevent_req_data(smb2req->subreq,
 961                         struct smbd_smb2_create_state);
 962         if (!state) {
 963                 return false;
 964         }
 965         /* It's not in progress if there's no timeout event. */
 966         if (!state->te) {
 967                 return false;
 968         }
 969
 970         DEBUG(10,("open_was_deferred_smb2: mid = %llu\n",
 971                         (unsigned long long)mid));
 972
 973         return true;
 974 }
 975
 976 static void remove_deferred_open_message_smb2_internal(struct smbd_smb2_request *smb2req,
 977                                                         uint64_t mid)
 978 {
 979         struct smbd_smb2_create_state *state = NULL;
 980
 981         if (!smb2req->subreq) {
 982                 return;
 983         }
 984         if (!tevent_req_is_in_progress(smb2req->subreq)) {
 985                 return;
 986         }
 987         state = tevent_req_data(smb2req->subreq,
 988                         struct smbd_smb2_create_state);
 989         if (!state) {
 990                 return;
 991         }
 992
 993         DEBUG(10,("remove_deferred_open_message_smb2_internal: "
 994                 "mid %llu\n",
 995                 (unsigned long long)mid ));
 996
 997         /* Ensure we don't have any outstanding timer event. */
 998         TALLOC_FREE(state->te);
 999         /* Ensure we don't have any outstanding immediate event. */
1000         TALLOC_FREE(state->im);
1001 }
1002
1003 void remove_deferred_open_message_smb2(
1004         struct smbd_server_connection *sconn, uint64_t mid)
1005 {
1006         struct smbd_smb2_request *smb2req;
1007
1008         smb2req = find_open_smb2req(sconn, mid);
1009
1010         if (!smb2req) {
1011                 DEBUG(10,("remove_deferred_open_message_smb2: "
1012                         "can't find mid %llu\n",
1013                         (unsigned long long)mid ));
1014                 return;
1015         }
1016         remove_deferred_open_message_smb2_internal(smb2req, mid);
1017 }
1018
1019 static void smbd_smb2_create_request_dispatch_immediate(struct tevent_context *ctx,
1020                                         struct tevent_immediate *im,
1021                                         void *private_data)
1022 {
1023         struct smbd_smb2_request *smb2req = talloc_get_type_abort(private_data,
1024                                         struct smbd_smb2_request);
1025         struct smbd_server_connection *sconn = smb2req->sconn;
1026         uint64_t mid = get_mid_from_smb2req(smb2req);
1027         NTSTATUS status;
1028
1029         DEBUG(10,("smbd_smb2_create_request_dispatch_immediate: "
1030                 "re-dispatching mid %llu\n",
1031                 (unsigned long long)mid ));
1032
1033         status = smbd_smb2_request_dispatch(smb2req);
1034         if (!NT_STATUS_IS_OK(status)) {
1035                 smbd_server_connection_terminate(sconn, nt_errstr(status));
1036                 return;
1037         }
1038 }
1039
1040 void schedule_deferred_open_message_smb2(
1041         struct smbd_server_connection *sconn, uint64_t mid)
1042 {
1043         struct smbd_smb2_create_state *state = NULL;
1044         struct smbd_smb2_request *smb2req;
1045
1046         smb2req = find_open_smb2req(sconn, mid);
1047
1048         if (!smb2req) {
1049                 DEBUG(10,("schedule_deferred_open_message_smb2: "
1050                         "can't find mid %llu\n",
1051                         (unsigned long long)mid ));
1052                 return;
1053         }
1054         if (!smb2req->subreq) {
1055                 return;
1056         }
1057         if (!tevent_req_is_in_progress(smb2req->subreq)) {
1058                 return;
1059         }
1060         state = tevent_req_data(smb2req->subreq,
1061                         struct smbd_smb2_create_state);
1062         if (!state) {
1063                 return;
1064         }
1065
1066         /* Ensure we don't have any outstanding timer event. */
1067         TALLOC_FREE(state->te);
1068         /* Ensure we don't have any outstanding immediate event. */
1069         TALLOC_FREE(state->im);
1070
1071         /*
1072          * This is subtle. We must null out the callback
1073          * before resheduling, else the first call to
1074          * tevent_req_nterror() causes the _receive()
1075          * function to be called, this causing tevent_req_post()
1076          * to crash.
1077          */
1078         tevent_req_set_callback(smb2req->subreq, NULL, NULL);
1079
1080         state->im = tevent_create_immediate(smb2req);
1081         if (!state->im) {
1082                 smbd_server_connection_terminate(smb2req->sconn,
1083                         nt_errstr(NT_STATUS_NO_MEMORY));
1084                 return;
1085         }
1086
1087         DEBUG(10,("schedule_deferred_open_message_smb2: "
1088                 "re-processing mid %llu\n",
1089                 (unsigned long long)mid ));
1090
1091         tevent_schedule_immediate(state->im,
1092                         smb2req->sconn->smb2.event_ctx,
1093                         smbd_smb2_create_request_dispatch_immediate,
1094                         smb2req);
1095 }
1096
1097 /*********************************************************
1098  Re-process this call.
1099 *********************************************************/
1100
1101 static void smb2_deferred_open_timer(struct event_context *ev,
1102                                         struct timed_event *te,
1103                                         struct timeval _tval,
1104                                         void *private_data)
1105 {
1106         NTSTATUS status;
1107         struct smbd_smb2_create_state *state = NULL;
1108         struct smbd_smb2_request *smb2req = talloc_get_type(private_data,
1109                                                 struct smbd_smb2_request);
1110
1111         DEBUG(10,("smb2_deferred_open_timer: [idx=%d], %s\n",
1112                 smb2req->current_idx,
1113                 tevent_req_default_print(smb2req->subreq, talloc_tos()) ));
1114
1115         state = tevent_req_data(smb2req->subreq,
1116                         struct smbd_smb2_create_state);
1117         if (!state) {
1118                 return;
1119         }
1120         /*
1121          * Null this out, don't talloc_free. It will
1122          * be talloc_free'd by the tevent library when
1123          * this returns.
1124          */
1125         state->te = NULL;
1126         /* Ensure we don't have any outstanding immediate event. */
1127         TALLOC_FREE(state->im);
1128
1129         /*
1130          * This is subtle. We must null out the callback
1131          * before resheduling, else the first call to
1132          * tevent_req_nterror() causes the _receive()
1133          * function to be called, this causing tevent_req_post()
1134          * to crash.
1135          */
1136         tevent_req_set_callback(smb2req->subreq, NULL, NULL);
1137
1138         status = smbd_smb2_request_dispatch(smb2req);
1139
1140         if (!NT_STATUS_IS_OK(status)) {
1141                 smbd_server_connection_terminate(smb2req->sconn,
1142                                 nt_errstr(status));
1143         }
1144 }
1145
1146 static bool smbd_smb2_create_cancel(struct tevent_req *req)
1147 {
1148         struct smbd_smb2_request *smb2req = NULL;
1149         struct smbd_smb2_create_state *state = tevent_req_data(req,
1150                                 struct smbd_smb2_create_state);
1151         uint64_t mid;
1152
1153         if (!state) {
1154                 return false;
1155         }
1156
1157         if (!state->smb2req) {
1158                 return false;
1159         }
1160
1161         smb2req = state->smb2req;
1162         mid = get_mid_from_smb2req(smb2req);
1163
1164         remove_deferred_open_entry(state->id, mid,
1165                                    sconn_server_id(smb2req->sconn));
1166         remove_deferred_open_message_smb2_internal(smb2req, mid);
1167         smb2req->cancelled = true;
1168
1169         tevent_req_done(req);
1170         return true;
1171 }
1172
1173 bool push_deferred_open_message_smb2(struct smbd_smb2_request *smb2req,
1174                                 struct timeval request_time,
1175                                 struct timeval timeout,
1176                                 struct file_id id,
1177                                 char *private_data,
1178                                 size_t priv_len)
1179 {
1180         struct tevent_req *req = NULL;
1181         struct smbd_smb2_create_state *state = NULL;
1182         struct timeval end_time;
1183
1184         if (!smb2req) {
1185                 return false;
1186         }
1187         req = smb2req->subreq;
1188         if (!req) {
1189                 return false;
1190         }
1191         state = tevent_req_data(req, struct smbd_smb2_create_state);
1192         if (!state) {
1193                 return false;
1194         }
1195         state->id = id;
1196         state->request_time = request_time;
1197         state->private_data = data_blob_talloc(state, private_data,
1198                                                 priv_len);
1199         if (!state->private_data.data) {
1200                 return false;
1201         }
1202
1203 #if 1
1204         /* Boo - turns out this isn't what W2K8R2
1205            does. It actually sends the STATUS_PENDING
1206            message followed by the STATUS_SHARING_VIOLATION
1207            message. Surely this means that all open
1208            calls (even on directories) will potentially
1209            fail in a chain.... ? And I've seen directory
1210            opens as the start of a chain. JRA.
1211
1212            Update: 19th May 2010. Talking with Microsoft
1213            engineers at the plugfest this is a bug in
1214            Windows. Re-enable this code.
1215         */
1216         /*
1217          * More subtlety. To match W2K8R2 don't
1218          * send a "gone async" message if it's simply
1219          * a STATUS_SHARING_VIOLATION (short) wait, not
1220          * an oplock break wait. We do this by prematurely
1221          * setting smb2req->async flag.
1222          */
1223         if (timeout.tv_sec < 2) {
1224                 DEBUG(10,("push_deferred_open_message_smb2: "
1225                         "short timer wait (usec = %u). "
1226                         "Don't send async message.\n",
1227                         (unsigned int)timeout.tv_usec ));
1228                 smb2req->async = true;
1229         }
1230 #endif
1231
1232         /* Re-schedule us to retry on timer expiry. */
1233         end_time = timeval_sum(&request_time, &timeout);
1234
1235         DEBUG(10,("push_deferred_open_message_smb2: "
1236                 "timeout at %s\n",
1237                 timeval_string(talloc_tos(),
1238                                 &end_time,
1239                                 true) ));
1240
1241         state->te = event_add_timed(smb2req->sconn->smb2.event_ctx,
1242                                 state,
1243                                 end_time,
1244                                 smb2_deferred_open_timer,
1245                                 smb2req);
1246         if (!state->te) {
1247                 return false;
1248         }
1249
1250         /* allow this request to be canceled */
1251         tevent_req_set_cancel_fn(req, smbd_smb2_create_cancel);
1252
1253         return true;
1254 }