source3/smbd/smb2_read.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Core SMB2 server
   4
   5    Copyright (C) Stefan Metzmacher 2009
   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 "system/filesys.h"
  23 #include "smbd/smbd.h"
  24 #include "smbd/globals.h"
  25 #include "../libcli/smb/smb_common.h"
  26 #include "libcli/security/security.h"
  27 #include "../lib/util/tevent_ntstatus.h"
  28 #include "rpc_server/srv_pipe_hnd.h"
  29
  30 static struct tevent_req *smbd_smb2_read_send(TALLOC_CTX *mem_ctx,
  31                                               struct tevent_context *ev,
  32                                               struct smbd_smb2_request *smb2req,
  33                                               struct files_struct *in_fsp,
  34                                               uint32_t in_length,
  35                                               uint64_t in_offset,
  36                                               uint32_t in_minimum,
  37                                               uint32_t in_remaining);
  38 static NTSTATUS smbd_smb2_read_recv(struct tevent_req *req,
  39                                     TALLOC_CTX *mem_ctx,
  40                                     DATA_BLOB *out_data,
  41                                     uint32_t *out_remaining);
  42
  43 static void smbd_smb2_request_read_done(struct tevent_req *subreq);
  44 NTSTATUS smbd_smb2_request_process_read(struct smbd_smb2_request *req)
  45 {
  46         NTSTATUS status;
  47         const uint8_t *inbody;
  48         uint32_t in_length;
  49         uint64_t in_offset;
  50         uint64_t in_file_id_persistent;
  51         uint64_t in_file_id_volatile;
  52         struct files_struct *in_fsp;
  53         uint32_t in_minimum_count;
  54         uint32_t in_remaining_bytes;
  55         struct tevent_req *subreq;
  56
  57         status = NT_STATUS_OK;//smbd_smb2_request_verify_sizes(req, 0x31);
  58         if (!NT_STATUS_IS_OK(status)) {
  59                 return smbd_smb2_request_error(req, status);
  60         }
  61         inbody = SMBD_SMB2_IN_BODY_PTR(req);
  62
  63         in_length               = IVAL(inbody, 0x04);
  64         in_offset               = BVAL(inbody, 0x08);
  65         in_file_id_persistent   = BVAL(inbody, 0x10);
  66         in_file_id_volatile     = BVAL(inbody, 0x18);
  67         in_minimum_count        = IVAL(inbody, 0x20);
  68         in_remaining_bytes      = IVAL(inbody, 0x28);
  69
  70         /* check the max read size */
  71         if (in_length > req->sconn->smb2.max_read) {
  72                 DEBUG(2,("smbd_smb2_request_process_read: "
  73                          "client ignored max read: %s: 0x%08X: 0x%08X\n",
  74                         __location__, in_length, req->sconn->smb2.max_read));
  75                 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
  76         }
  77
  78         status = NT_STATUS_OK;//smbd_smb2_request_verify_creditcharge(req, in_length);
  79         if (!NT_STATUS_IS_OK(status)) {
  80                 return smbd_smb2_request_error(req, status);
  81         }
  82
  83         in_fsp = file_fsp_smb2(req, in_file_id_persistent, in_file_id_volatile);
  84         if (in_fsp == NULL) {
  85                 return smbd_smb2_request_error(req, NT_STATUS_FILE_CLOSED);
  86         }
  87
  88         subreq = smbd_smb2_read_send(req, req->sconn->ev_ctx,
  89                                      req, in_fsp,
  90                                      in_length,
  91                                      in_offset,
  92                                      in_minimum_count,
  93                                      in_remaining_bytes);
  94         if (subreq == NULL) {
  95                 return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
  96         }
  97         //tevent_req_set_callback(subreq, smbd_smb2_request_read_done, req);
  98
  99         smbd_smb2_request_read_done(req);
 100         return NT_STATUS_OK;
 101         return smbd_smb2_request_pending_queue(req, subreq, 500);
 102 }
 103
 104 static void smbd_smb2_request_read_done(struct tevent_req *subreq)
 105 {
 106         struct smbd_smb2_request *req = subreq;//tevent_req_callback_data(subreq,
 107                                         //struct smbd_smb2_request);
 108                                         subreq = NULL;
 109         DATA_BLOB outbody;
 110         DATA_BLOB outdyn;
 111         uint8_t out_data_offset;
 112         DATA_BLOB out_data_buffer = data_blob_null;
 113         uint32_t out_data_remaining = 0;
 114         NTSTATUS status;
 115         NTSTATUS error; /* transport error */
 116
 117         status = smbd_smb2_read_recv(subreq,
 118                                      req,
 119                                      &out_data_buffer,
 120                                      &out_data_remaining);
 121         TALLOC_FREE(subreq);
 122         if (!NT_STATUS_IS_OK(status)) {
 123                 error = smbd_smb2_request_error(req, status);
 124                 if (!NT_STATUS_IS_OK(error)) {
 125                         smbd_server_connection_terminate(req->sconn,
 126                                                          nt_errstr(error));
 127                         return;
 128                 }
 129                 return;
 130         }
 131
 132         out_data_offset = SMB2_HDR_BODY + 0x10;
 133
 134         outbody = smbd_smb2_generate_outbody(req, 0x10);
 135         if (outbody.data == NULL) {
 136                 error = smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
 137                 if (!NT_STATUS_IS_OK(error)) {
 138                         smbd_server_connection_terminate(req->sconn,
 139                                                          nt_errstr(error));
 140                         return;
 141                 }
 142                 return;
 143         }
 144
 145         SSVAL(outbody.data, 0x00, 0x10 + 1);    /* struct size */
 146         SCVAL(outbody.data, 0x02,
 147               out_data_offset);                 /* data offset */
 148         SCVAL(outbody.data, 0x03, 0);           /* reserved */
 149         SIVAL(outbody.data, 0x04,
 150               out_data_buffer.length);          /* data length */
 151         SIVAL(outbody.data, 0x08,
 152               out_data_remaining);              /* data remaining */
 153         SIVAL(outbody.data, 0x0C, 0);           /* reserved */
 154
 155         outdyn = out_data_buffer;
 156
 157         error = smbd_smb2_request_done(req, outbody, &outdyn);
 158         if (!NT_STATUS_IS_OK(error)) {
 159                 smbd_server_connection_terminate(req->sconn,
 160                                                  nt_errstr(error));
 161                 return;
 162         }
 163 }
 164
 165 struct smbd_smb2_read_state {
 166         struct smbd_smb2_request *smb2req;
 167         struct smb_request *smbreq;
 168         files_struct *fsp;
 169         uint32_t in_length;
 170         uint64_t in_offset;
 171         uint32_t in_minimum;
 172         DATA_BLOB out_headers;
 173         uint8_t _out_hdr_buf[NBT_HDR_SIZE + SMB2_HDR_BODY + 0x10];
 174         DATA_BLOB out_data;
 175         uint32_t out_remaining;
 176 };
 177
 178 static struct smbd_smb2_read_state _state;
 179
 180 static int smb2_smb2_read_state_deny_destructor(struct smbd_smb2_read_state *state)
 181 {
 182         return -1;
 183 }
 184
 185 /* struct smbd_smb2_read_state destructor. Send the SMB2_READ data. */
 186 static int smb2_sendfile_send_data(struct smbd_smb2_read_state *state)
 187 {
 188         struct lock_struct lock;
 189         uint32_t in_length = state->in_length;
 190         uint64_t in_offset = state->in_offset;
 191         files_struct *fsp = state->fsp;
 192         ssize_t nread;
 193
 194         nread = SMB_VFS_SENDFILE(fsp->conn->sconn->sock,
 195                                  fsp,
 196                                  state->smb2req->queue_entry.sendfile_header,
 197                                  in_offset,
 198                                  in_length);
 199         DEBUG(10,("smb2_sendfile_send_data: SMB_VFS_SENDFILE returned %d on file %s\n",
 200                 (int)nread,
 201                 fsp_str_dbg(fsp) ));
 202
 203         if (nread == -1) {
 204                 if (errno == ENOSYS || errno == EINTR) {
 205                         /*
 206                          * Special hack for broken systems with no working
 207                          * sendfile. Fake this up by doing read/write calls.
 208                         */
 209                         set_use_sendfile(SNUM(fsp->conn), false);
 210                         nread = fake_sendfile(fsp, in_offset, in_length);
 211                         if (nread == -1) {
 212                                 DEBUG(0,("smb2_sendfile_send_data: "
 213                                         "fake_sendfile failed for "
 214                                         "file %s (%s).\n",
 215                                         fsp_str_dbg(fsp),
 216                                         strerror(errno)));
 217                                 exit_server_cleanly("smb2_sendfile_send_data: "
 218                                         "fake_sendfile failed");
 219                         }
 220                         goto out;
 221                 }
 222
 223                 DEBUG(0,("smb2_sendfile_send_data: sendfile failed for file "
 224                         "%s (%s). Terminating\n",
 225                         fsp_str_dbg(fsp),
 226                         strerror(errno)));
 227                 exit_server_cleanly("smb2_sendfile_send_data: sendfile failed");
 228         } else if (nread == 0) {
 229                 /*
 230                  * Some sendfile implementations return 0 to indicate
 231                  * that there was a short read, but nothing was
 232                  * actually written to the socket.  In this case,
 233                  * fallback to the normal read path so the header gets
 234                  * the correct byte count.
 235                  */
 236                 DEBUG(3, ("send_file_readX: sendfile sent zero bytes "
 237                         "falling back to the normal read: %s\n",
 238                         fsp_str_dbg(fsp)));
 239
 240                 nread = fake_sendfile(fsp, in_offset, in_length);
 241                 if (nread == -1) {
 242                         DEBUG(0,("smb2_sendfile_send_data: "
 243                                 "fake_sendfile failed for file "
 244                                 "%s (%s). Terminating\n",
 245                                 fsp_str_dbg(fsp),
 246                                 strerror(errno)));
 247                         exit_server_cleanly("smb2_sendfile_send_data: "
 248                                 "fake_sendfile failed");
 249                 }
 250         }
 251
 252   out:
 253
 254         if (nread < in_length) {
 255                 sendfile_short_send(fsp, nread, 0, in_length);
 256         }
 257
 258         init_strict_lock_struct(fsp,
 259                                 fsp->op->global->open_persistent_id,
 260                                 in_offset,
 261                                 in_length,
 262                                 READ_LOCK,
 263                                 &lock);
 264
 265         SMB_VFS_STRICT_UNLOCK(fsp->conn, fsp, &lock);
 266         return 0;
 267 }
 268
 269 static void smb2_sendfile_fn(struct smbd_smb2_read_state *state)
 270 {
 271         smb2_sendfile_send_data(state);
 272         ZERO_STRUCTP(state);
 273 }
 274
 275 static NTSTATUS schedule_smb2_sendfile_read(struct smbd_smb2_request *smb2req,
 276                                         struct smbd_smb2_read_state *state)
 277 {
 278         files_struct *fsp = state->fsp;
 279
 280         /*
 281          * We cannot use sendfile if...
 282          * We were not configured to do so OR
 283          * Signing is active OR
 284          * This is a compound SMB2 operation OR
 285          * fsp is a STREAM file OR
 286          * We're using a write cache OR
 287          * It's not a regular file OR
 288          * Requested offset is greater than file size OR
 289          * there's not enough data in the file.
 290          * Phew :-). Luckily this means most
 291          * reads on most normal files. JRA.
 292         */
 293
 294         if (!lp__use_sendfile(SNUM(fsp->conn)) ||
 295             smb2req->do_signing ||
 296             smb2req->do_encryption ||
 297             smb2req->in.vector_count >= (2*SMBD_SMB2_NUM_IOV_PER_REQ) ||
 298             (fsp->base_fsp != NULL) ||
 299             (fsp->wcp != NULL) ||
 300             (!S_ISREG(fsp->fsp_name->st.st_ex_mode)) ||
 301             (state->in_offset >= fsp->fsp_name->st.st_ex_size) ||
 302             (fsp->fsp_name->st.st_ex_size < state->in_offset + state->in_length))
 303         {
 304                 return NT_STATUS_RETRY;
 305         }
 306
 307         /* We've already checked there's this amount of data
 308            to read. */
 309         state->out_data.length = state->in_length;
 310         state->out_remaining = 0;
 311
 312         state->out_headers = data_blob_const(state->_out_hdr_buf,
 313                                              sizeof(state->_out_hdr_buf));
 314         return NT_STATUS_OK;
 315 }
 316
 317 static void smbd_smb2_read_pipe_done(struct tevent_req *subreq);
 318
 319 /*******************************************************************
 320  Common read complete processing function for both synchronous and
 321  asynchronous reads.
 322 *******************************************************************/
 323
 324 NTSTATUS smb2_read_complete(struct tevent_req *req, ssize_t nread, int err)
 325 {
 326         struct smbd_smb2_read_state *state = &_state;//tevent_req_data(req,
 327                                         //struct smbd_smb2_read_state);
 328         files_struct *fsp = state->fsp;
 329
 330         if (nread < 0) {
 331                 NTSTATUS status = map_nt_error_from_unix(err);
 332
 333                 DEBUG( 3,( "smb2_read_complete: file %s nread = %d. "
 334                         "Error = %s (NTSTATUS %s)\n",
 335                         fsp_str_dbg(fsp),
 336                         (int)nread,
 337                         strerror(err),
 338                         nt_errstr(status)));
 339
 340                 return status;
 341         }
 342         if (nread == 0 && state->in_length != 0) {
 343                 DEBUG(5,("smb2_read_complete: read_file[%s] end of file\n",
 344                         fsp_str_dbg(fsp)));
 345                 return NT_STATUS_END_OF_FILE;
 346         }
 347
 348         if (nread < state->in_minimum) {
 349                 DEBUG(5,("smb2_read_complete: read_file[%s] read less %d than "
 350                         "minimum requested %u. Returning end of file\n",
 351                         fsp_str_dbg(fsp),
 352                         (int)nread,
 353                         (unsigned int)state->in_minimum));
 354                 return NT_STATUS_END_OF_FILE;
 355         }
 356
 357         DEBUG(3,("smbd_smb2_read: %s, file %s, length=%lu offset=%lu read=%lu\n",
 358                 fsp_fnum_dbg(fsp),
 359                 fsp_str_dbg(fsp),
 360                 (unsigned long)state->in_length,
 361                 (unsigned long)state->in_offset,
 362                 (unsigned long)nread));
 363
 364         state->out_data.length = nread;
 365         state->out_remaining = 0;
 366
 367         return NT_STATUS_OK;
 368 }
 369
 370 static bool smbd_smb2_read_cancel(struct tevent_req *req)
 371 {
 372         struct smbd_smb2_read_state *state = &_state;
 373                 //tevent_req_data(req,
 374                 //struct smbd_smb2_read_state);
 375
 376         return cancel_smb2_aio(state->smbreq);
 377 }
 378
 379 static struct tevent_req *smbd_smb2_read_send(TALLOC_CTX *mem_ctx,
 380                                               struct tevent_context *ev,
 381                                               struct smbd_smb2_request *smb2req,
 382                                               struct files_struct *fsp,
 383                                               uint32_t in_length,
 384                                               uint64_t in_offset,
 385                                               uint32_t in_minimum,
 386                                               uint32_t in_remaining)
 387 {
 388         NTSTATUS status;
 389         //struct tevent_req *req = NULL;
 390         struct smbd_smb2_read_state *state = NULL;
 391         struct smb_request *smbreq = NULL;
 392         connection_struct *conn = smb2req->tcon->compat;
 393         ssize_t nread = -1;
 394         struct lock_struct lock;
 395         int saved_errno;
 396
 397         //req = tevent_req_create(mem_ctx, &state,
 398         //                      struct smbd_smb2_read_state);
 399         //if (req == NULL) {
 400         //      return NULL;
 401         //}
 402         state = &_state;
 403         ZERO_STRUCTP(state);
 404         state->smb2req = smb2req;
 405         state->in_length = in_length;
 406         state->in_offset = in_offset;
 407         state->in_minimum = in_minimum;
 408         state->out_data = data_blob_null;
 409         state->out_remaining = 0;
 410
 411         DEBUG(10,("smbd_smb2_read: %s - %s\n",
 412                   fsp_str_dbg(fsp), fsp_fnum_dbg(fsp)));
 413
 414         smbreq = smbd_smb2_fake_smb_request(smb2req);
 415         //if (tevent_req_nomem(smbreq, req)) {
 416         //      return tevent_req_post(req, ev);
 417         //}
 418         state->smbreq = smbreq;
 419
 420         //if (fsp->is_directory) {
 421         //      tevent_req_nterror(req, NT_STATUS_INVALID_DEVICE_REQUEST);
 422         //      return tevent_req_post(req, ev);
 423         //}
 424
 425         state->fsp = fsp;
 426
 427         //if (IS_IPC(smbreq->conn)) {
 428         //      struct tevent_req *subreq = NULL;
 429
 430         //      state->out_data = data_blob_talloc(state, NULL, in_length);
 431         //      if (in_length > 0 && tevent_req_nomem(state->out_data.data, req)) {
 432         //              return tevent_req_post(req, ev);
 433         //      }
 434
 435         //      if (!fsp_is_np(fsp)) {
 436         //              tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
 437         //              return tevent_req_post(req, ev);
 438         //      }
 439
 440         //      subreq = np_read_send(state, ev,
 441         //                            fsp->fake_file_handle,
 442         //                            state->out_data.data,
 443         //                            state->out_data.length);
 444         //      if (tevent_req_nomem(subreq, req)) {
 445         //              return tevent_req_post(req, ev);
 446         //      }
 447         //      tevent_req_set_callback(subreq,
 448         //                              smbd_smb2_read_pipe_done,
 449         //                              req);
 450         //      return req;
 451         //}
 452
 453         //if (!CHECK_READ(fsp, smbreq)) {
 454         //      tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
 455         //      return tevent_req_post(req, ev);
 456         //}
 457
 458         status = schedule_smb2_aio_read(fsp->conn,
 459                                 smbreq,
 460                                 fsp,
 461                                 state,
 462                                 &state->out_data,
 463                                 (off_t)in_offset,
 464                                 (size_t)in_length);
 465
 466         if (NT_STATUS_IS_OK(status)) {
 467                 /*
 468                  * Doing an async read, allow this
 469                  * request to be canceled
 470                  */
 471                 //tevent_req_set_cancel_fn(req, smbd_smb2_read_cancel);
 472                 return state;
 473                 //return req;
 474         }
 475
 476         //if (!NT_STATUS_EQUAL(status, NT_STATUS_RETRY)) {
 477         //      /* Real error in setting up aio. Fail. */
 478         //      tevent_req_nterror(req, status);
 479         //      return tevent_req_post(req, ev);
 480         //}
 481
 482         /* Fallback to synchronous. */
 483
 484         init_strict_lock_struct(fsp,
 485                                 fsp->op->global->open_persistent_id,
 486                                 in_offset,
 487                                 in_length,
 488                                 READ_LOCK,
 489                                 &lock);
 490
 491         if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
 492         //      tevent_req_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
 493         //      return tevent_req_post(req, ev);
 494         }
 495
 496         /* Try sendfile in preference. */
 497         status = schedule_smb2_sendfile_read(smb2req, state);
 498         if (NT_STATUS_IS_OK(status)) {
 499                 //tevent_req_done(req);
 500                 return state;//req;//tevent_req_post(req, ev);
 501         } else {
 502 //              if (!NT_STATUS_EQUAL(status, NT_STATUS_RETRY)) {
 503 //                      SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
 504 //                      tevent_req_nterror(req, status);
 505 //                      return tevent_req_post(req, ev);
 506 //              }
 507         }
 508
 509         /* Ok, read into memory. Allocate the out buffer. */
 510         state->out_data = data_blob_talloc(state, NULL, in_length);
 511 //      if (in_length > 0 && tevent_req_nomem(state->out_data.data, req)) {
 512 //              SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
 513 //              return tevent_req_post(req, ev);
 514 //      }
 515
 516         nread = read_file(fsp,
 517                           (char *)state->out_data.data,
 518                           in_offset,
 519                           in_length);
 520
 521         saved_errno = errno;
 522
 523         SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
 524
 525         DEBUG(10,("smbd_smb2_read: file %s, %s, offset=%llu "
 526                 "len=%llu returned %lld\n",
 527                 fsp_str_dbg(fsp),
 528                 fsp_fnum_dbg(fsp),
 529                 (unsigned long long)in_offset,
 530                 (unsigned long long)in_length,
 531                 (long long)nread));
 532
 533         status = smb2_read_complete(NULL, nread, saved_errno);
 534 //      if (!NT_STATUS_IS_OK(status)) {
 535 //              tevent_req_nterror(req, status);
 536 //      } else {
 537 //              /* Success. */
 538 //              tevent_req_done(req);
 539 //      }
 540         return state;//req;//tevent_req_post(req, ev);
 541 }
 542
 543 static void smbd_smb2_read_pipe_done(struct tevent_req *subreq)
 544 {
 545         struct tevent_req *req = tevent_req_callback_data(subreq,
 546                                  struct tevent_req);
 547         struct smbd_smb2_read_state *state = &_state;//tevent_req_data(req,
 548                                              //struct smbd_smb2_read_state);
 549         NTSTATUS status;
 550         ssize_t nread = -1;
 551         bool is_data_outstanding;
 552
 553         status = np_read_recv(subreq, &nread, &is_data_outstanding);
 554         TALLOC_FREE(subreq);
 555         if (!NT_STATUS_IS_OK(status)) {
 556                 NTSTATUS old = status;
 557                 status = nt_status_np_pipe(old);
 558                 tevent_req_nterror(req, status);
 559                 return;
 560         }
 561
 562         if (nread == 0 && state->out_data.length != 0) {
 563                 tevent_req_nterror(req, NT_STATUS_END_OF_FILE);
 564                 return;
 565         }
 566
 567         state->out_data.length = nread;
 568         state->out_remaining = 0;
 569
 570         /*
 571          * TODO: add STATUS_BUFFER_OVERFLOW handling, once we also
 572          * handle it in SMB1 pipe_read_andx_done().
 573          */
 574
 575         tevent_req_done(req);
 576 }
 577
 578 static NTSTATUS smbd_smb2_read_recv(struct tevent_req *req,
 579                                     TALLOC_CTX *mem_ctx,
 580                                     DATA_BLOB *out_data,
 581                                     uint32_t *out_remaining)
 582 {
 583         NTSTATUS status;
 584         struct smbd_smb2_read_state *state = &_state;//tevent_req_data(req,
 585                                              //struct smbd_smb2_read_state);
 586
 587         //if (tevent_req_is_nterror(req, &status)) {
 588         //      tevent_req_received(req);
 589         //      return status;
 590         //}
 591
 592         *out_data = state->out_data;
 593         talloc_steal(mem_ctx, out_data->data);
 594         *out_remaining = state->out_remaining;
 595
 596         if (state->out_headers.length > 0) {
 597                 //talloc_steal(mem_ctx, state);
 598                 //talloc_set_destructor(state, smb2_smb2_read_state_deny_destructor);
 599                 //tevent_req_received(req);
 600                 state->smb2req->queue_entry.sendfile_header = &state->out_headers;
 601                 state->smb2req->queue_entry.sendfile_private = state;
 602                 state->smb2req->queue_entry.sendfile_fn = smb2_sendfile_fn;
 603                 //talloc_set_destructor(state, smb2_sendfile_send_data);
 604         } else {
 605                 //tevent_req_received(req);
 606         }
 607
 608         return NT_STATUS_OK;
 609 }