source3/smbd/reply.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Main SMB reply routines
   4    Copyright (C) Andrew Tridgell 1992-1998
   5    Copyright (C) Andrew Bartlett      2001
   6    Copyright (C) Jeremy Allison 1992-2007.
   7    Copyright (C) Volker Lendecke 2007
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22 /*
  23    This file handles most of the reply_ calls that the server
  24    makes to handle specific protocols
  25 */
  26
  27 #include "includes.h"
  28
  29 /* look in server.c for some explanation of these variables */
  30 extern enum protocol_types Protocol;
  31 extern int max_recv;
  32 extern uint32 global_client_caps;
  33
  34 extern bool global_encrypted_passwords_negotiated;
  35
  36 /****************************************************************************
  37  Ensure we check the path in *exactly* the same way as W2K for a findfirst/findnext
  38  path or anything including wildcards.
  39  We're assuming here that '/' is not the second byte in any multibyte char
  40  set (a safe assumption). '\\' *may* be the second byte in a multibyte char
  41  set.
  42 ****************************************************************************/
  43
  44 /* Custom version for processing POSIX paths. */
  45 #define IS_PATH_SEP(c,posix_only) ((c) == '/' || (!(posix_only) && (c) == '\\'))
  46
  47 static NTSTATUS check_path_syntax_internal(char *path,
  48                                            bool posix_path,
  49                                            bool *p_last_component_contains_wcard)
  50 {
  51         char *d = path;
  52         const char *s = path;
  53         NTSTATUS ret = NT_STATUS_OK;
  54         bool start_of_name_component = True;
  55         bool stream_started = false;
  56
  57         *p_last_component_contains_wcard = False;
  58
  59         while (*s) {
  60                 if (stream_started) {
  61                         switch (*s) {
  62                         case '/':
  63                         case '\\':
  64                                 return NT_STATUS_OBJECT_NAME_INVALID;
  65                         case ':':
  66                                 if (s[1] == '\0') {
  67                                         return NT_STATUS_OBJECT_NAME_INVALID;
  68                                 }
  69                                 if (strchr_m(&s[1], ':')) {
  70                                         return NT_STATUS_OBJECT_NAME_INVALID;
  71                                 }
  72                                 if (StrCaseCmp(s, ":$DATA") != 0) {
  73                                         return NT_STATUS_INVALID_PARAMETER;
  74                                 }
  75                                 break;
  76                         }
  77                 }
  78
  79                 if (!stream_started && *s == ':') {
  80                         if (*p_last_component_contains_wcard) {
  81                                 return NT_STATUS_OBJECT_NAME_INVALID;
  82                         }
  83                         /* stream names allow more characters than file names */
  84                         stream_started = true;
  85                         start_of_name_component = false;
  86                         posix_path = true;
  87
  88                         if (s[1] == '\0') {
  89                                 return NT_STATUS_OBJECT_NAME_INVALID;
  90                         }
  91                 }
  92
  93                 if (!stream_started && IS_PATH_SEP(*s,posix_path)) {
  94                         /*
  95                          * Safe to assume is not the second part of a mb char
  96                          * as this is handled below.
  97                          */
  98                         /* Eat multiple '/' or '\\' */
  99                         while (IS_PATH_SEP(*s,posix_path)) {
 100                                 s++;
 101                         }
 102                         if ((d != path) && (*s != '\0')) {
 103                                 /* We only care about non-leading or trailing '/' or '\\' */
 104                                 *d++ = '/';
 105                         }
 106
 107                         start_of_name_component = True;
 108                         /* New component. */
 109                         *p_last_component_contains_wcard = False;
 110                         continue;
 111                 }
 112
 113                 if (start_of_name_component) {
 114                         if ((s[0] == '.') && (s[1] == '.') && (IS_PATH_SEP(s[2],posix_path) || s[2] == '\0')) {
 115                                 /* Uh oh - "/../" or "\\..\\"  or "/..\0" or "\\..\0" ! */
 116
 117                                 /*
 118                                  * No mb char starts with '.' so we're safe checking the directory separator here.
 119                                  */
 120
 121                                 /* If  we just added a '/' - delete it */
 122                                 if ((d > path) && (*(d-1) == '/')) {
 123                                         *(d-1) = '\0';
 124                                         d--;
 125                                 }
 126
 127                                 /* Are we at the start ? Can't go back further if so. */
 128                                 if (d <= path) {
 129                                         ret = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
 130                                         break;
 131                                 }
 132                                 /* Go back one level... */
 133                                 /* We know this is safe as '/' cannot be part of a mb sequence. */
 134                                 /* NOTE - if this assumption is invalid we are not in good shape... */
 135                                 /* Decrement d first as d points to the *next* char to write into. */
 136                                 for (d--; d > path; d--) {
 137                                         if (*d == '/')
 138                                                 break;
 139                                 }
 140                                 s += 2; /* Else go past the .. */
 141                                 /* We're still at the start of a name component, just the previous one. */
 142                                 continue;
 143
 144                         } else if ((s[0] == '.') && ((s[1] == '\0') || IS_PATH_SEP(s[1],posix_path))) {
 145                                 if (posix_path) {
 146                                         /* Eat the '.' */
 147                                         s++;
 148                                         continue;
 149                                 }
 150                         }
 151
 152                 }
 153
 154                 if (!(*s & 0x80)) {
 155                         if (!posix_path) {
 156                                 if (*s <= 0x1f || *s == '|') {
 157                                         return NT_STATUS_OBJECT_NAME_INVALID;
 158                                 }
 159                                 switch (*s) {
 160                                         case '*':
 161                                         case '?':
 162                                         case '<':
 163                                         case '>':
 164                                         case '"':
 165                                                 *p_last_component_contains_wcard = True;
 166                                                 break;
 167                                         default:
 168                                                 break;
 169                                 }
 170                         }
 171                         *d++ = *s++;
 172                 } else {
 173                         size_t siz;
 174                         /* Get the size of the next MB character. */
 175                         next_codepoint(s,&siz);
 176                         switch(siz) {
 177                                 case 5:
 178                                         *d++ = *s++;
 179                                         /*fall through*/
 180                                 case 4:
 181                                         *d++ = *s++;
 182                                         /*fall through*/
 183                                 case 3:
 184                                         *d++ = *s++;
 185                                         /*fall through*/
 186                                 case 2:
 187                                         *d++ = *s++;
 188                                         /*fall through*/
 189                                 case 1:
 190                                         *d++ = *s++;
 191                                         break;
 192                                 default:
 193                                         DEBUG(0,("check_path_syntax_internal: character length assumptions invalid !\n"));
 194                                         *d = '\0';
 195                                         return NT_STATUS_INVALID_PARAMETER;
 196                         }
 197                 }
 198                 start_of_name_component = False;
 199         }
 200
 201         *d = '\0';
 202
 203         return ret;
 204 }
 205
 206 /****************************************************************************
 207  Ensure we check the path in *exactly* the same way as W2K for regular pathnames.
 208  No wildcards allowed.
 209 ****************************************************************************/
 210
 211 NTSTATUS check_path_syntax(char *path)
 212 {
 213         bool ignore;
 214         return check_path_syntax_internal(path, False, &ignore);
 215 }
 216
 217 /****************************************************************************
 218  Ensure we check the path in *exactly* the same way as W2K for regular pathnames.
 219  Wildcards allowed - p_contains_wcard returns true if the last component contained
 220  a wildcard.
 221 ****************************************************************************/
 222
 223 NTSTATUS check_path_syntax_wcard(char *path, bool *p_contains_wcard)
 224 {
 225         return check_path_syntax_internal(path, False, p_contains_wcard);
 226 }
 227
 228 /****************************************************************************
 229  Check the path for a POSIX client.
 230  We're assuming here that '/' is not the second byte in any multibyte char
 231  set (a safe assumption).
 232 ****************************************************************************/
 233
 234 NTSTATUS check_path_syntax_posix(char *path)
 235 {
 236         bool ignore;
 237         return check_path_syntax_internal(path, True, &ignore);
 238 }
 239
 240 /****************************************************************************
 241  Pull a string and check the path allowing a wilcard - provide for error return.
 242 ****************************************************************************/
 243
 244 size_t srvstr_get_path_wcard(TALLOC_CTX *ctx,
 245                         const char *base_ptr,
 246                         uint16 smb_flags2,
 247                         char **pp_dest,
 248                         const char *src,
 249                         size_t src_len,
 250                         int flags,
 251                         NTSTATUS *err,
 252                         bool *contains_wcard)
 253 {
 254         size_t ret;
 255
 256         *pp_dest = NULL;
 257
 258         ret = srvstr_pull_talloc(ctx, base_ptr, smb_flags2, pp_dest, src,
 259                                  src_len, flags);
 260
 261         if (!*pp_dest) {
 262                 *err = NT_STATUS_INVALID_PARAMETER;
 263                 return ret;
 264         }
 265
 266         *contains_wcard = False;
 267
 268         if (smb_flags2 & FLAGS2_DFS_PATHNAMES) {
 269                 /*
 270                  * For a DFS path the function parse_dfs_path()
 271                  * will do the path processing, just make a copy.
 272                  */
 273                 *err = NT_STATUS_OK;
 274                 return ret;
 275         }
 276
 277         if (lp_posix_pathnames()) {
 278                 *err = check_path_syntax_posix(*pp_dest);
 279         } else {
 280                 *err = check_path_syntax_wcard(*pp_dest, contains_wcard);
 281         }
 282
 283         return ret;
 284 }
 285
 286 /****************************************************************************
 287  Pull a string and check the path - provide for error return.
 288 ****************************************************************************/
 289
 290 size_t srvstr_get_path(TALLOC_CTX *ctx,
 291                         const char *base_ptr,
 292                         uint16 smb_flags2,
 293                         char **pp_dest,
 294                         const char *src,
 295                         size_t src_len,
 296                         int flags,
 297                         NTSTATUS *err)
 298 {
 299         bool ignore;
 300         return srvstr_get_path_wcard(ctx, base_ptr, smb_flags2, pp_dest, src,
 301                                      src_len, flags, err, &ignore);
 302 }
 303
 304 size_t srvstr_get_path_req_wcard(TALLOC_CTX *mem_ctx, struct smb_request *req,
 305                                  char **pp_dest, const char *src, int flags,
 306                                  NTSTATUS *err, bool *contains_wcard)
 307 {
 308         return srvstr_get_path_wcard(mem_ctx, (char *)req->inbuf, req->flags2,
 309                                      pp_dest, src, smbreq_bufrem(req, src),
 310                                      flags, err, contains_wcard);
 311 }
 312
 313 size_t srvstr_get_path_req(TALLOC_CTX *mem_ctx, struct smb_request *req,
 314                            char **pp_dest, const char *src, int flags,
 315                            NTSTATUS *err)
 316 {
 317         bool ignore;
 318         return srvstr_get_path_req_wcard(mem_ctx, req, pp_dest, src,
 319                                          flags, err, &ignore);
 320 }
 321
 322 /****************************************************************************
 323  Check if we have a correct fsp pointing to a file. Basic check for open fsp.
 324 ****************************************************************************/
 325
 326 bool check_fsp_open(connection_struct *conn, struct smb_request *req,
 327                     files_struct *fsp)
 328 {
 329         if (!(fsp) || !(conn)) {
 330                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
 331                 return False;
 332         }
 333         if (((conn) != (fsp)->conn) || req->vuid != (fsp)->vuid) {
 334                 reply_nterror(req, NT_STATUS_INVALID_HANDLE);
 335                 return False;
 336         }
 337         return True;
 338 }
 339
 340 /****************************************************************************
 341  Check if we have a correct fsp pointing to a file.
 342 ****************************************************************************/
 343
 344 bool check_fsp(connection_struct *conn, struct smb_request *req,
 345                files_struct *fsp)
 346 {
 347         if (!check_fsp_open(conn, req, fsp)) {
 348                 return False;
 349         }
 350         if ((fsp)->is_directory) {
 351                 reply_nterror(req, NT_STATUS_INVALID_DEVICE_REQUEST);
 352                 return False;
 353         }
 354         if ((fsp)->fh->fd == -1) {
 355                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
 356                 return False;
 357         }
 358         (fsp)->num_smb_operations++;
 359         return True;
 360 }
 361
 362 /****************************************************************************
 363  Check if we have a correct fsp pointing to a quota fake file. Replacement for
 364  the CHECK_NTQUOTA_HANDLE_OK macro.
 365 ****************************************************************************/
 366
 367 bool check_fsp_ntquota_handle(connection_struct *conn, struct smb_request *req,
 368                               files_struct *fsp)
 369 {
 370         if (!check_fsp_open(conn, req, fsp)) {
 371                 return false;
 372         }
 373
 374         if (fsp->is_directory) {
 375                 return false;
 376         }
 377
 378         if (fsp->fake_file_handle == NULL) {
 379                 return false;
 380         }
 381
 382         if (fsp->fake_file_handle->type != FAKE_FILE_TYPE_QUOTA) {
 383                 return false;
 384         }
 385
 386         if (fsp->fake_file_handle->private_data == NULL) {
 387                 return false;
 388         }
 389
 390         return true;
 391 }
 392
 393 /****************************************************************************
 394  Check if we have a correct fsp. Replacement for the FSP_BELONGS_CONN macro
 395 ****************************************************************************/
 396
 397 bool fsp_belongs_conn(connection_struct *conn, struct smb_request *req,
 398                       files_struct *fsp)
 399 {
 400         if ((fsp) && (conn) && ((conn)==(fsp)->conn)
 401             && (req->vuid == (fsp)->vuid)) {
 402                 return True;
 403         }
 404
 405         reply_nterror(req, NT_STATUS_INVALID_HANDLE);
 406         return False;
 407 }
 408
 409 /****************************************************************************
 410  Reply to a (netbios-level) special message.
 411 ****************************************************************************/
 412
 413 void reply_special(char *inbuf)
 414 {
 415         int msg_type = CVAL(inbuf,0);
 416         int msg_flags = CVAL(inbuf,1);
 417         fstring name1,name2;
 418         char name_type = 0;
 419
 420         /*
 421          * We only really use 4 bytes of the outbuf, but for the smb_setlen
 422          * calculation & friends (srv_send_smb uses that) we need the full smb
 423          * header.
 424          */
 425         char outbuf[smb_size];
 426
 427         static bool already_got_session = False;
 428
 429         *name1 = *name2 = 0;
 430
 431         memset(outbuf, '\0', sizeof(outbuf));
 432
 433         smb_setlen(outbuf,0);
 434
 435         switch (msg_type) {
 436         case 0x81: /* session request */
 437
 438                 if (already_got_session) {
 439                         exit_server_cleanly("multiple session request not permitted");
 440                 }
 441
 442                 SCVAL(outbuf,0,0x82);
 443                 SCVAL(outbuf,3,0);
 444                 if (name_len(inbuf+4) > 50 ||
 445                     name_len(inbuf+4 + name_len(inbuf + 4)) > 50) {
 446                         DEBUG(0,("Invalid name length in session request\n"));
 447                         return;
 448                 }
 449                 name_extract(inbuf,4,name1);
 450                 name_type = name_extract(inbuf,4 + name_len(inbuf + 4),name2);
 451                 DEBUG(2,("netbios connect: name1=%s name2=%s\n",
 452                          name1,name2));
 453
 454                 set_local_machine_name(name1, True);
 455                 set_remote_machine_name(name2, True);
 456
 457                 DEBUG(2,("netbios connect: local=%s remote=%s, name type = %x\n",
 458                          get_local_machine_name(), get_remote_machine_name(),
 459                          name_type));
 460
 461                 if (name_type == 'R') {
 462                         /* We are being asked for a pathworks session ---
 463                            no thanks! */
 464                         SCVAL(outbuf, 0,0x83);
 465                         break;
 466                 }
 467
 468                 /* only add the client's machine name to the list
 469                    of possibly valid usernames if we are operating
 470                    in share mode security */
 471                 if (lp_security() == SEC_SHARE) {
 472                         add_session_user(get_remote_machine_name());
 473                 }
 474
 475                 reload_services(True);
 476                 reopen_logs();
 477
 478                 already_got_session = True;
 479                 break;
 480
 481         case 0x89: /* session keepalive request
 482                       (some old clients produce this?) */
 483                 SCVAL(outbuf,0,SMBkeepalive);
 484                 SCVAL(outbuf,3,0);
 485                 break;
 486
 487         case 0x82: /* positive session response */
 488         case 0x83: /* negative session response */
 489         case 0x84: /* retarget session response */
 490                 DEBUG(0,("Unexpected session response\n"));
 491                 break;
 492
 493         case SMBkeepalive: /* session keepalive */
 494         default:
 495                 return;
 496         }
 497
 498         DEBUG(5,("init msg_type=0x%x msg_flags=0x%x\n",
 499                     msg_type, msg_flags));
 500
 501         srv_send_smb(smbd_server_fd(), outbuf, false);
 502         return;
 503 }
 504
 505 /****************************************************************************
 506  Reply to a tcon.
 507  conn POINTER CAN BE NULL HERE !
 508 ****************************************************************************/
 509
 510 void reply_tcon(struct smb_request *req)
 511 {
 512         connection_struct *conn = req->conn;
 513         const char *service;
 514         char *service_buf = NULL;
 515         char *password = NULL;
 516         char *dev = NULL;
 517         int pwlen=0;
 518         NTSTATUS nt_status;
 519         const char *p;
 520         DATA_BLOB password_blob;
 521         TALLOC_CTX *ctx = talloc_tos();
 522
 523         START_PROFILE(SMBtcon);
 524
 525         if (req->buflen < 4) {
 526                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 527                 END_PROFILE(SMBtcon);
 528                 return;
 529         }
 530
 531         p = (const char *)req->buf + 1;
 532         p += srvstr_pull_req_talloc(ctx, req, &service_buf, p, STR_TERMINATE);
 533         p += 1;
 534         pwlen = srvstr_pull_req_talloc(ctx, req, &password, p, STR_TERMINATE);
 535         p += pwlen+1;
 536         p += srvstr_pull_req_talloc(ctx, req, &dev, p, STR_TERMINATE);
 537         p += 1;
 538
 539         if (service_buf == NULL || password == NULL || dev == NULL) {
 540                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 541                 END_PROFILE(SMBtcon);
 542                 return;
 543         }
 544         p = strrchr_m(service_buf,'\\');
 545         if (p) {
 546                 service = p+1;
 547         } else {
 548                 service = service_buf;
 549         }
 550
 551         password_blob = data_blob(password, pwlen+1);
 552
 553         conn = make_connection(service,password_blob,dev,req->vuid,&nt_status);
 554         req->conn = conn;
 555
 556         data_blob_clear_free(&password_blob);
 557
 558         if (!conn) {
 559                 reply_nterror(req, nt_status);
 560                 END_PROFILE(SMBtcon);
 561                 return;
 562         }
 563
 564         reply_outbuf(req, 2, 0);
 565         SSVAL(req->outbuf,smb_vwv0,max_recv);
 566         SSVAL(req->outbuf,smb_vwv1,conn->cnum);
 567         SSVAL(req->outbuf,smb_tid,conn->cnum);
 568
 569         DEBUG(3,("tcon service=%s cnum=%d\n",
 570                  service, conn->cnum));
 571
 572         END_PROFILE(SMBtcon);
 573         return;
 574 }
 575
 576 /****************************************************************************
 577  Reply to a tcon and X.
 578  conn POINTER CAN BE NULL HERE !
 579 ****************************************************************************/
 580
 581 void reply_tcon_and_X(struct smb_request *req)
 582 {
 583         connection_struct *conn = req->conn;
 584         const char *service = NULL;
 585         DATA_BLOB password;
 586         TALLOC_CTX *ctx = talloc_tos();
 587         /* what the cleint thinks the device is */
 588         char *client_devicetype = NULL;
 589         /* what the server tells the client the share represents */
 590         const char *server_devicetype;
 591         NTSTATUS nt_status;
 592         int passlen;
 593         char *path = NULL;
 594         const char *p, *q;
 595         uint16 tcon_flags;
 596
 597         START_PROFILE(SMBtconX);
 598
 599         if (req->wct < 4) {
 600                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 601                 END_PROFILE(SMBtconX);
 602                 return;
 603         }
 604
 605         passlen = SVAL(req->vwv+3, 0);
 606         tcon_flags = SVAL(req->vwv+2, 0);
 607
 608         /* we might have to close an old one */
 609         if ((tcon_flags & 0x1) && conn) {
 610                 close_cnum(conn,req->vuid);
 611                 req->conn = NULL;
 612                 conn = NULL;
 613         }
 614
 615         if ((passlen > MAX_PASS_LEN) || (passlen >= req->buflen)) {
 616                 reply_doserror(req, ERRDOS, ERRbuftoosmall);
 617                 END_PROFILE(SMBtconX);
 618                 return;
 619         }
 620
 621         if (global_encrypted_passwords_negotiated) {
 622                 password = data_blob_talloc(talloc_tos(), req->buf, passlen);
 623                 if (lp_security() == SEC_SHARE) {
 624                         /*
 625                          * Security = share always has a pad byte
 626                          * after the password.
 627                          */
 628                         p = (const char *)req->buf + passlen + 1;
 629                 } else {
 630                         p = (const char *)req->buf + passlen;
 631                 }
 632         } else {
 633                 password = data_blob_talloc(talloc_tos(), req->buf, passlen+1);
 634                 /* Ensure correct termination */
 635                 password.data[passlen]=0;
 636                 p = (const char *)req->buf + passlen + 1;
 637         }
 638
 639         p += srvstr_pull_req_talloc(ctx, req, &path, p, STR_TERMINATE);
 640
 641         if (path == NULL) {
 642                 data_blob_clear_free(&password);
 643                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 644                 END_PROFILE(SMBtconX);
 645                 return;
 646         }
 647
 648         /*
 649          * the service name can be either: \\server\share
 650          * or share directly like on the DELL PowerVault 705
 651          */
 652         if (*path=='\\') {
 653                 q = strchr_m(path+2,'\\');
 654                 if (!q) {
 655                         data_blob_clear_free(&password);
 656                         reply_doserror(req, ERRDOS, ERRnosuchshare);
 657                         END_PROFILE(SMBtconX);
 658                         return;
 659                 }
 660                 service = q+1;
 661         } else {
 662                 service = path;
 663         }
 664
 665         p += srvstr_pull_talloc(ctx, req->inbuf, req->flags2,
 666                                 &client_devicetype, p,
 667                                 MIN(6, smbreq_bufrem(req, p)), STR_ASCII);
 668
 669         if (client_devicetype == NULL) {
 670                 data_blob_clear_free(&password);
 671                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 672                 END_PROFILE(SMBtconX);
 673                 return;
 674         }
 675
 676         DEBUG(4,("Client requested device type [%s] for share [%s]\n", client_devicetype, service));
 677
 678         conn = make_connection(service, password, client_devicetype,
 679                                req->vuid, &nt_status);
 680         req->conn =conn;
 681
 682         data_blob_clear_free(&password);
 683
 684         if (!conn) {
 685                 reply_nterror(req, nt_status);
 686                 END_PROFILE(SMBtconX);
 687                 return;
 688         }
 689
 690         if ( IS_IPC(conn) )
 691                 server_devicetype = "IPC";
 692         else if ( IS_PRINT(conn) )
 693                 server_devicetype = "LPT1:";
 694         else
 695                 server_devicetype = "A:";
 696
 697         if (Protocol < PROTOCOL_NT1) {
 698                 reply_outbuf(req, 2, 0);
 699                 if (message_push_string(&req->outbuf, server_devicetype,
 700                                         STR_TERMINATE|STR_ASCII) == -1) {
 701                         reply_nterror(req, NT_STATUS_NO_MEMORY);
 702                         END_PROFILE(SMBtconX);
 703                         return;
 704                 }
 705         } else {
 706                 /* NT sets the fstype of IPC$ to the null string */
 707                 const char *fstype = IS_IPC(conn) ? "" : lp_fstype(SNUM(conn));
 708
 709                 if (tcon_flags & TCONX_FLAG_EXTENDED_RESPONSE) {
 710                         /* Return permissions. */
 711                         uint32 perm1 = 0;
 712                         uint32 perm2 = 0;
 713
 714                         reply_outbuf(req, 7, 0);
 715
 716                         if (IS_IPC(conn)) {
 717                                 perm1 = FILE_ALL_ACCESS;
 718                                 perm2 = FILE_ALL_ACCESS;
 719                         } else {
 720                                 perm1 = CAN_WRITE(conn) ?
 721                                                 SHARE_ALL_ACCESS :
 722                                                 SHARE_READ_ONLY;
 723                         }
 724
 725                         SIVAL(req->outbuf, smb_vwv3, perm1);
 726                         SIVAL(req->outbuf, smb_vwv5, perm2);
 727                 } else {
 728                         reply_outbuf(req, 3, 0);
 729                 }
 730
 731                 if ((message_push_string(&req->outbuf, server_devicetype,
 732                                          STR_TERMINATE|STR_ASCII) == -1)
 733                     || (message_push_string(&req->outbuf, fstype,
 734                                             STR_TERMINATE) == -1)) {
 735                         reply_nterror(req, NT_STATUS_NO_MEMORY);
 736                         END_PROFILE(SMBtconX);
 737                         return;
 738                 }
 739
 740                 /* what does setting this bit do? It is set by NT4 and
 741                    may affect the ability to autorun mounted cdroms */
 742                 SSVAL(req->outbuf, smb_vwv2, SMB_SUPPORT_SEARCH_BITS|
 743                       (lp_csc_policy(SNUM(conn)) << 2));
 744
 745                 if (lp_msdfs_root(SNUM(conn)) && lp_host_msdfs()) {
 746                         DEBUG(2,("Serving %s as a Dfs root\n",
 747                                  lp_servicename(SNUM(conn)) ));
 748                         SSVAL(req->outbuf, smb_vwv2,
 749                               SMB_SHARE_IN_DFS | SVAL(req->outbuf, smb_vwv2));
 750                 }
 751         }
 752
 753
 754         DEBUG(3,("tconX service=%s \n",
 755                  service));
 756
 757         /* set the incoming and outgoing tid to the just created one */
 758         SSVAL(req->inbuf,smb_tid,conn->cnum);
 759         SSVAL(req->outbuf,smb_tid,conn->cnum);
 760
 761         END_PROFILE(SMBtconX);
 762
 763         chain_reply(req);
 764         return;
 765 }
 766
 767 /****************************************************************************
 768  Reply to an unknown type.
 769 ****************************************************************************/
 770
 771 void reply_unknown_new(struct smb_request *req, uint8 type)
 772 {
 773         DEBUG(0, ("unknown command type (%s): type=%d (0x%X)\n",
 774                   smb_fn_name(type), type, type));
 775         reply_doserror(req, ERRSRV, ERRunknownsmb);
 776         return;
 777 }
 778
 779 /****************************************************************************
 780  Reply to an ioctl.
 781  conn POINTER CAN BE NULL HERE !
 782 ****************************************************************************/
 783
 784 void reply_ioctl(struct smb_request *req)
 785 {
 786         connection_struct *conn = req->conn;
 787         uint16 device;
 788         uint16 function;
 789         uint32 ioctl_code;
 790         int replysize;
 791         char *p;
 792
 793         START_PROFILE(SMBioctl);
 794
 795         if (req->wct < 3) {
 796                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
 797                 END_PROFILE(SMBioctl);
 798                 return;
 799         }
 800
 801         device     = SVAL(req->vwv+1, 0);
 802         function   = SVAL(req->vwv+2, 0);
 803         ioctl_code = (device << 16) + function;
 804
 805         DEBUG(4, ("Received IOCTL (code 0x%x)\n", ioctl_code));
 806
 807         switch (ioctl_code) {
 808             case IOCTL_QUERY_JOB_INFO:
 809                     replysize = 32;
 810                     break;
 811             default:
 812                     reply_doserror(req, ERRSRV, ERRnosupport);
 813                     END_PROFILE(SMBioctl);
 814                     return;
 815         }
 816
 817         reply_outbuf(req, 8, replysize+1);
 818         SSVAL(req->outbuf,smb_vwv1,replysize); /* Total data bytes returned */
 819         SSVAL(req->outbuf,smb_vwv5,replysize); /* Data bytes this buffer */
 820         SSVAL(req->outbuf,smb_vwv6,52);        /* Offset to data */
 821         p = smb_buf(req->outbuf);
 822         memset(p, '\0', replysize+1); /* valgrind-safe. */
 823         p += 1;          /* Allow for alignment */
 824
 825         switch (ioctl_code) {
 826                 case IOCTL_QUERY_JOB_INFO:
 827                 {
 828                         files_struct *fsp = file_fsp(
 829                                 req, SVAL(req->vwv+0, 0));
 830                         if (!fsp) {
 831                                 reply_doserror(req, ERRDOS, ERRbadfid);
 832                                 END_PROFILE(SMBioctl);
 833                                 return;
 834                         }
 835                         SSVAL(p,0,fsp->rap_print_jobid);             /* Job number */
 836                         srvstr_push((char *)req->outbuf, req->flags2, p+2,
 837                                     global_myname(), 15,
 838                                     STR_TERMINATE|STR_ASCII);
 839                         if (conn) {
 840                                 srvstr_push((char *)req->outbuf, req->flags2,
 841                                             p+18, lp_servicename(SNUM(conn)),
 842                                             13, STR_TERMINATE|STR_ASCII);
 843                         } else {
 844                                 memset(p+18, 0, 13);
 845                         }
 846                         break;
 847                 }
 848         }
 849
 850         END_PROFILE(SMBioctl);
 851         return;
 852 }
 853
 854 /****************************************************************************
 855  Strange checkpath NTSTATUS mapping.
 856 ****************************************************************************/
 857
 858 static NTSTATUS map_checkpath_error(uint16_t flags2, NTSTATUS status)
 859 {
 860         /* Strange DOS error code semantics only for checkpath... */
 861         if (!(flags2 & FLAGS2_32_BIT_ERROR_CODES)) {
 862                 if (NT_STATUS_EQUAL(NT_STATUS_OBJECT_NAME_INVALID,status)) {
 863                         /* We need to map to ERRbadpath */
 864                         return NT_STATUS_OBJECT_PATH_NOT_FOUND;
 865                 }
 866         }
 867         return status;
 868 }
 869
 870 /****************************************************************************
 871  Reply to a checkpath.
 872 ****************************************************************************/
 873
 874 void reply_checkpath(struct smb_request *req)
 875 {
 876         connection_struct *conn = req->conn;
 877         char *name = NULL;
 878         SMB_STRUCT_STAT sbuf;
 879         NTSTATUS status;
 880         TALLOC_CTX *ctx = talloc_tos();
 881
 882         START_PROFILE(SMBcheckpath);
 883
 884         srvstr_get_path_req(ctx, req, &name, (const char *)req->buf + 1,
 885                             STR_TERMINATE, &status);
 886
 887         if (!NT_STATUS_IS_OK(status)) {
 888                 status = map_checkpath_error(req->flags2, status);
 889                 reply_nterror(req, status);
 890                 END_PROFILE(SMBcheckpath);
 891                 return;
 892         }
 893
 894         status = resolve_dfspath(ctx, conn,
 895                         req->flags2 & FLAGS2_DFS_PATHNAMES,
 896                         name,
 897                         &name);
 898         if (!NT_STATUS_IS_OK(status)) {
 899                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
 900                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
 901                                         ERRSRV, ERRbadpath);
 902                         END_PROFILE(SMBcheckpath);
 903                         return;
 904                 }
 905                 goto path_err;
 906         }
 907
 908         DEBUG(3,("reply_checkpath %s mode=%d\n", name, (int)SVAL(req->vwv+0, 0)));
 909
 910         status = unix_convert(ctx, conn, name, False, &name, NULL, &sbuf);
 911         if (!NT_STATUS_IS_OK(status)) {
 912                 goto path_err;
 913         }
 914
 915         status = check_name(conn, name);
 916         if (!NT_STATUS_IS_OK(status)) {
 917                 DEBUG(3,("reply_checkpath: check_name of %s failed (%s)\n",name,nt_errstr(status)));
 918                 goto path_err;
 919         }
 920
 921         if (!VALID_STAT(sbuf) && (SMB_VFS_STAT(conn,name,&sbuf) != 0)) {
 922                 DEBUG(3,("reply_checkpath: stat of %s failed (%s)\n",name,strerror(errno)));
 923                 status = map_nt_error_from_unix(errno);
 924                 goto path_err;
 925         }
 926
 927         if (!S_ISDIR(sbuf.st_mode)) {
 928                 reply_botherror(req, NT_STATUS_NOT_A_DIRECTORY,
 929                                 ERRDOS, ERRbadpath);
 930                 END_PROFILE(SMBcheckpath);
 931                 return;
 932         }
 933
 934         reply_outbuf(req, 0, 0);
 935
 936         END_PROFILE(SMBcheckpath);
 937         return;
 938
 939   path_err:
 940
 941         END_PROFILE(SMBcheckpath);
 942
 943         /* We special case this - as when a Windows machine
 944                 is parsing a path is steps through the components
 945                 one at a time - if a component fails it expects
 946                 ERRbadpath, not ERRbadfile.
 947         */
 948         status = map_checkpath_error(req->flags2, status);
 949         if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
 950                 /*
 951                  * Windows returns different error codes if
 952                  * the parent directory is valid but not the
 953                  * last component - it returns NT_STATUS_OBJECT_NAME_NOT_FOUND
 954                  * for that case and NT_STATUS_OBJECT_PATH_NOT_FOUND
 955                  * if the path is invalid.
 956                  */
 957                 reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
 958                                 ERRDOS, ERRbadpath);
 959                 return;
 960         }
 961
 962         reply_nterror(req, status);
 963 }
 964
 965 /****************************************************************************
 966  Reply to a getatr.
 967 ****************************************************************************/
 968
 969 void reply_getatr(struct smb_request *req)
 970 {
 971         connection_struct *conn = req->conn;
 972         char *fname = NULL;
 973         SMB_STRUCT_STAT sbuf;
 974         int mode=0;
 975         SMB_OFF_T size=0;
 976         time_t mtime=0;
 977         const char *p;
 978         NTSTATUS status;
 979         TALLOC_CTX *ctx = talloc_tos();
 980
 981         START_PROFILE(SMBgetatr);
 982
 983         p = (const char *)req->buf + 1;
 984         p += srvstr_get_path_req(ctx, req, &fname, p, STR_TERMINATE, &status);
 985         if (!NT_STATUS_IS_OK(status)) {
 986                 reply_nterror(req, status);
 987                 END_PROFILE(SMBgetatr);
 988                 return;
 989         }
 990
 991         status = resolve_dfspath(ctx, conn,
 992                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
 993                                 fname,
 994                                 &fname);
 995         if (!NT_STATUS_IS_OK(status)) {
 996                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
 997                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
 998                                         ERRSRV, ERRbadpath);
 999                         END_PROFILE(SMBgetatr);
1000                         return;
1001                 }
1002                 reply_nterror(req, status);
1003                 END_PROFILE(SMBgetatr);
1004                 return;
1005         }
1006
1007         /* dos smetimes asks for a stat of "" - it returns a "hidden directory"
1008                 under WfWg - weird! */
1009         if (*fname == '\0') {
1010                 mode = aHIDDEN | aDIR;
1011                 if (!CAN_WRITE(conn)) {
1012                         mode |= aRONLY;
1013                 }
1014                 size = 0;
1015                 mtime = 0;
1016         } else {
1017                 status = unix_convert(ctx, conn, fname, False, &fname, NULL,&sbuf);
1018                 if (!NT_STATUS_IS_OK(status)) {
1019                         reply_nterror(req, status);
1020                         END_PROFILE(SMBgetatr);
1021                         return;
1022                 }
1023                 status = check_name(conn, fname);
1024                 if (!NT_STATUS_IS_OK(status)) {
1025                         DEBUG(3,("reply_getatr: check_name of %s failed (%s)\n",fname,nt_errstr(status)));
1026                         reply_nterror(req, status);
1027                         END_PROFILE(SMBgetatr);
1028                         return;
1029                 }
1030                 if (!VALID_STAT(sbuf) && (SMB_VFS_STAT(conn,fname,&sbuf) != 0)) {
1031                         DEBUG(3,("reply_getatr: stat of %s failed (%s)\n",fname,strerror(errno)));
1032                         reply_unixerror(req, ERRDOS,ERRbadfile);
1033                         END_PROFILE(SMBgetatr);
1034                         return;
1035                 }
1036
1037                 mode = dos_mode(conn,fname,&sbuf);
1038                 size = sbuf.st_size;
1039                 mtime = sbuf.st_mtime;
1040                 if (mode & aDIR) {
1041                         size = 0;
1042                 }
1043         }
1044
1045         reply_outbuf(req, 10, 0);
1046
1047         SSVAL(req->outbuf,smb_vwv0,mode);
1048         if(lp_dos_filetime_resolution(SNUM(conn)) ) {
1049                 srv_put_dos_date3((char *)req->outbuf,smb_vwv1,mtime & ~1);
1050         } else {
1051                 srv_put_dos_date3((char *)req->outbuf,smb_vwv1,mtime);
1052         }
1053         SIVAL(req->outbuf,smb_vwv3,(uint32)size);
1054
1055         if (Protocol >= PROTOCOL_NT1) {
1056                 SSVAL(req->outbuf, smb_flg2,
1057                       SVAL(req->outbuf, smb_flg2) | FLAGS2_IS_LONG_NAME);
1058         }
1059
1060         DEBUG(3,("reply_getatr: name=%s mode=%d size=%u\n", fname, mode, (unsigned int)size ) );
1061
1062         END_PROFILE(SMBgetatr);
1063         return;
1064 }
1065
1066 /****************************************************************************
1067  Reply to a setatr.
1068 ****************************************************************************/
1069
1070 void reply_setatr(struct smb_request *req)
1071 {
1072         struct timespec ts[2];
1073         connection_struct *conn = req->conn;
1074         char *fname = NULL;
1075         int mode;
1076         time_t mtime;
1077         SMB_STRUCT_STAT sbuf;
1078         const char *p;
1079         NTSTATUS status;
1080         TALLOC_CTX *ctx = talloc_tos();
1081
1082         START_PROFILE(SMBsetatr);
1083
1084         ZERO_STRUCT(ts);
1085
1086         if (req->wct < 2) {
1087                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1088                 return;
1089         }
1090
1091         p = (const char *)req->buf + 1;
1092         p += srvstr_get_path_req(ctx, req, &fname, p, STR_TERMINATE, &status);
1093         if (!NT_STATUS_IS_OK(status)) {
1094                 reply_nterror(req, status);
1095                 END_PROFILE(SMBsetatr);
1096                 return;
1097         }
1098
1099         status = resolve_dfspath(ctx, conn,
1100                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
1101                                 fname,
1102                                 &fname);
1103         if (!NT_STATUS_IS_OK(status)) {
1104                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1105                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1106                                         ERRSRV, ERRbadpath);
1107                         END_PROFILE(SMBsetatr);
1108                         return;
1109                 }
1110                 reply_nterror(req, status);
1111                 END_PROFILE(SMBsetatr);
1112                 return;
1113         }
1114
1115         status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
1116         if (!NT_STATUS_IS_OK(status)) {
1117                 reply_nterror(req, status);
1118                 END_PROFILE(SMBsetatr);
1119                 return;
1120         }
1121
1122         status = check_name(conn, fname);
1123         if (!NT_STATUS_IS_OK(status)) {
1124                 reply_nterror(req, status);
1125                 END_PROFILE(SMBsetatr);
1126                 return;
1127         }
1128
1129         if (fname[0] == '.' && fname[1] == '\0') {
1130                 /*
1131                  * Not sure here is the right place to catch this
1132                  * condition. Might be moved to somewhere else later -- vl
1133                  */
1134                 reply_nterror(req, NT_STATUS_ACCESS_DENIED);
1135                 END_PROFILE(SMBsetatr);
1136                 return;
1137         }
1138
1139         mode = SVAL(req->vwv+0, 0);
1140         mtime = srv_make_unix_date3(req->vwv+1);
1141
1142         ts[1] = convert_time_t_to_timespec(mtime);
1143         status = smb_set_file_time(conn, NULL, fname,
1144                                    &sbuf, ts, true);
1145         if (!NT_STATUS_IS_OK(status)) {
1146                 reply_unixerror(req, ERRDOS, ERRnoaccess);
1147                 END_PROFILE(SMBsetatr);
1148                 return;
1149         }
1150
1151         if (mode != FILE_ATTRIBUTE_NORMAL) {
1152                 if (VALID_STAT_OF_DIR(sbuf))
1153                         mode |= aDIR;
1154                 else
1155                         mode &= ~aDIR;
1156
1157                 if (file_set_dosmode(conn,fname,mode,&sbuf,NULL,false) != 0) {
1158                         reply_unixerror(req, ERRDOS, ERRnoaccess);
1159                         END_PROFILE(SMBsetatr);
1160                         return;
1161                 }
1162         }
1163
1164         reply_outbuf(req, 0, 0);
1165
1166         DEBUG( 3, ( "setatr name=%s mode=%d\n", fname, mode ) );
1167
1168         END_PROFILE(SMBsetatr);
1169         return;
1170 }
1171
1172 /****************************************************************************
1173  Reply to a dskattr.
1174 ****************************************************************************/
1175
1176 void reply_dskattr(struct smb_request *req)
1177 {
1178         connection_struct *conn = req->conn;
1179         uint64_t dfree,dsize,bsize;
1180         START_PROFILE(SMBdskattr);
1181
1182         if (get_dfree_info(conn,".",True,&bsize,&dfree,&dsize) == (uint64_t)-1) {
1183                 reply_unixerror(req, ERRHRD, ERRgeneral);
1184                 END_PROFILE(SMBdskattr);
1185                 return;
1186         }
1187
1188         reply_outbuf(req, 5, 0);
1189
1190         if (Protocol <= PROTOCOL_LANMAN2) {
1191                 double total_space, free_space;
1192                 /* we need to scale this to a number that DOS6 can handle. We
1193                    use floating point so we can handle large drives on systems
1194                    that don't have 64 bit integers
1195
1196                    we end up displaying a maximum of 2G to DOS systems
1197                 */
1198                 total_space = dsize * (double)bsize;
1199                 free_space = dfree * (double)bsize;
1200
1201                 dsize = (uint64_t)((total_space+63*512) / (64*512));
1202                 dfree = (uint64_t)((free_space+63*512) / (64*512));
1203
1204                 if (dsize > 0xFFFF) dsize = 0xFFFF;
1205                 if (dfree > 0xFFFF) dfree = 0xFFFF;
1206
1207                 SSVAL(req->outbuf,smb_vwv0,dsize);
1208                 SSVAL(req->outbuf,smb_vwv1,64); /* this must be 64 for dos systems */
1209                 SSVAL(req->outbuf,smb_vwv2,512); /* and this must be 512 */
1210                 SSVAL(req->outbuf,smb_vwv3,dfree);
1211         } else {
1212                 SSVAL(req->outbuf,smb_vwv0,dsize);
1213                 SSVAL(req->outbuf,smb_vwv1,bsize/512);
1214                 SSVAL(req->outbuf,smb_vwv2,512);
1215                 SSVAL(req->outbuf,smb_vwv3,dfree);
1216         }
1217
1218         DEBUG(3,("dskattr dfree=%d\n", (unsigned int)dfree));
1219
1220         END_PROFILE(SMBdskattr);
1221         return;
1222 }
1223
1224 /****************************************************************************
1225  Reply to a search.
1226  Can be called from SMBsearch, SMBffirst or SMBfunique.
1227 ****************************************************************************/
1228
1229 void reply_search(struct smb_request *req)
1230 {
1231         connection_struct *conn = req->conn;
1232         const char *mask = NULL;
1233         char *directory = NULL;
1234         char *fname = NULL;
1235         SMB_OFF_T size;
1236         uint32 mode;
1237         time_t date;
1238         uint32 dirtype;
1239         unsigned int numentries = 0;
1240         unsigned int maxentries = 0;
1241         bool finished = False;
1242         const char *p;
1243         int status_len;
1244         char *path = NULL;
1245         char status[21];
1246         int dptr_num= -1;
1247         bool check_descend = False;
1248         bool expect_close = False;
1249         NTSTATUS nt_status;
1250         bool mask_contains_wcard = False;
1251         bool allow_long_path_components = (req->flags2 & FLAGS2_LONG_PATH_COMPONENTS) ? True : False;
1252         TALLOC_CTX *ctx = talloc_tos();
1253         bool ask_sharemode = lp_parm_bool(SNUM(conn), "smbd", "search ask sharemode", true);
1254
1255         START_PROFILE(SMBsearch);
1256
1257         if (req->wct < 2) {
1258                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1259                 END_PROFILE(SMBsearch);
1260                 return;
1261         }
1262
1263         if (lp_posix_pathnames()) {
1264                 reply_unknown_new(req, req->cmd);
1265                 END_PROFILE(SMBsearch);
1266                 return;
1267         }
1268
1269         /* If we were called as SMBffirst then we must expect close. */
1270         if(req->cmd == SMBffirst) {
1271                 expect_close = True;
1272         }
1273
1274         reply_outbuf(req, 1, 3);
1275         maxentries = SVAL(req->vwv+0, 0);
1276         dirtype = SVAL(req->vwv+1, 0);
1277         p = (const char *)req->buf + 1;
1278         p += srvstr_get_path_req_wcard(ctx, req, &path, p, STR_TERMINATE,
1279                                        &nt_status, &mask_contains_wcard);
1280         if (!NT_STATUS_IS_OK(nt_status)) {
1281                 reply_nterror(req, nt_status);
1282                 END_PROFILE(SMBsearch);
1283                 return;
1284         }
1285
1286         nt_status = resolve_dfspath_wcard(ctx, conn,
1287                                           req->flags2 & FLAGS2_DFS_PATHNAMES,
1288                                           path,
1289                                           &path,
1290                                           &mask_contains_wcard);
1291         if (!NT_STATUS_IS_OK(nt_status)) {
1292                 if (NT_STATUS_EQUAL(nt_status,NT_STATUS_PATH_NOT_COVERED)) {
1293                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1294                                         ERRSRV, ERRbadpath);
1295                         END_PROFILE(SMBsearch);
1296                         return;
1297                 }
1298                 reply_nterror(req, nt_status);
1299                 END_PROFILE(SMBsearch);
1300                 return;
1301         }
1302
1303         p++;
1304         status_len = SVAL(p, 0);
1305         p += 2;
1306
1307         /* dirtype &= ~aDIR; */
1308
1309         if (status_len == 0) {
1310                 SMB_STRUCT_STAT sbuf;
1311
1312                 nt_status = unix_convert(ctx, conn, path, True,
1313                                 &directory, NULL, &sbuf);
1314                 if (!NT_STATUS_IS_OK(nt_status)) {
1315                         reply_nterror(req, nt_status);
1316                         END_PROFILE(SMBsearch);
1317                         return;
1318                 }
1319
1320                 nt_status = check_name(conn, directory);
1321                 if (!NT_STATUS_IS_OK(nt_status)) {
1322                         reply_nterror(req, nt_status);
1323                         END_PROFILE(SMBsearch);
1324                         return;
1325                 }
1326
1327                 p = strrchr_m(directory,'/');
1328                 if ((p != NULL) && (*directory != '/')) {
1329                         mask = p + 1;
1330                         directory = talloc_strndup(ctx, directory,
1331                                                    PTR_DIFF(p, directory));
1332                 } else {
1333                         mask = directory;
1334                         directory = talloc_strdup(ctx,".");
1335                 }
1336
1337                 if (!directory) {
1338                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1339                         END_PROFILE(SMBsearch);
1340                         return;
1341                 }
1342
1343                 memset((char *)status,'\0',21);
1344                 SCVAL(status,0,(dirtype & 0x1F));
1345
1346                 nt_status = dptr_create(conn,
1347                                         directory,
1348                                         True,
1349                                         expect_close,
1350                                         req->smbpid,
1351                                         mask,
1352                                         mask_contains_wcard,
1353                                         dirtype,
1354                                         &conn->dirptr);
1355                 if (!NT_STATUS_IS_OK(nt_status)) {
1356                         reply_nterror(req, nt_status);
1357                         END_PROFILE(SMBsearch);
1358                         return;
1359                 }
1360                 dptr_num = dptr_dnum(conn->dirptr);
1361         } else {
1362                 int status_dirtype;
1363
1364                 memcpy(status,p,21);
1365                 status_dirtype = CVAL(status,0) & 0x1F;
1366                 if (status_dirtype != (dirtype & 0x1F)) {
1367                         dirtype = status_dirtype;
1368                 }
1369
1370                 conn->dirptr = dptr_fetch(status+12,&dptr_num);
1371                 if (!conn->dirptr) {
1372                         goto SearchEmpty;
1373                 }
1374                 string_set(&conn->dirpath,dptr_path(dptr_num));
1375                 mask = dptr_wcard(dptr_num);
1376                 if (!mask) {
1377                         goto SearchEmpty;
1378                 }
1379                 /*
1380                  * For a 'continue' search we have no string. So
1381                  * check from the initial saved string.
1382                  */
1383                 mask_contains_wcard = ms_has_wild(mask);
1384                 dirtype = dptr_attr(dptr_num);
1385         }
1386
1387         DEBUG(4,("dptr_num is %d\n",dptr_num));
1388
1389         if ((dirtype&0x1F) == aVOLID) {
1390                 char buf[DIR_STRUCT_SIZE];
1391                 memcpy(buf,status,21);
1392                 if (!make_dir_struct(ctx,buf,"???????????",volume_label(SNUM(conn)),
1393                                 0,aVOLID,0,!allow_long_path_components)) {
1394                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1395                         END_PROFILE(SMBsearch);
1396                         return;
1397                 }
1398                 dptr_fill(buf+12,dptr_num);
1399                 if (dptr_zero(buf+12) && (status_len==0)) {
1400                         numentries = 1;
1401                 } else {
1402                         numentries = 0;
1403                 }
1404                 if (message_push_blob(&req->outbuf,
1405                                       data_blob_const(buf, sizeof(buf)))
1406                     == -1) {
1407                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1408                         END_PROFILE(SMBsearch);
1409                         return;
1410                 }
1411         } else {
1412                 unsigned int i;
1413                 maxentries = MIN(
1414                         maxentries,
1415                         ((BUFFER_SIZE -
1416                           ((uint8 *)smb_buf(req->outbuf) + 3 - req->outbuf))
1417                          /DIR_STRUCT_SIZE));
1418
1419                 DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
1420                         conn->dirpath,lp_dontdescend(SNUM(conn))));
1421                 if (in_list(conn->dirpath, lp_dontdescend(SNUM(conn)),True)) {
1422                         check_descend = True;
1423                 }
1424
1425                 for (i=numentries;(i<maxentries) && !finished;i++) {
1426                         finished = !get_dir_entry(ctx,
1427                                                   conn,
1428                                                   mask,
1429                                                   dirtype,
1430                                                   &fname,
1431                                                   &size,
1432                                                   &mode,
1433                                                   &date,
1434                                                   check_descend,
1435                                                   ask_sharemode);
1436                         if (!finished) {
1437                                 char buf[DIR_STRUCT_SIZE];
1438                                 memcpy(buf,status,21);
1439                                 if (!make_dir_struct(ctx,
1440                                                 buf,
1441                                                 mask,
1442                                                 fname,
1443                                                 size,
1444                                                 mode,
1445                                                 date,
1446                                                 !allow_long_path_components)) {
1447                                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1448                                         END_PROFILE(SMBsearch);
1449                                         return;
1450                                 }
1451                                 if (!dptr_fill(buf+12,dptr_num)) {
1452                                         break;
1453                                 }
1454                                 if (message_push_blob(&req->outbuf,
1455                                                       data_blob_const(buf, sizeof(buf)))
1456                                     == -1) {
1457                                         reply_nterror(req, NT_STATUS_NO_MEMORY);
1458                                         END_PROFILE(SMBsearch);
1459                                         return;
1460                                 }
1461                                 numentries++;
1462                         }
1463                 }
1464         }
1465
1466   SearchEmpty:
1467
1468         /* If we were called as SMBffirst with smb_search_id == NULL
1469                 and no entries were found then return error and close dirptr
1470                 (X/Open spec) */
1471
1472         if (numentries == 0) {
1473                 dptr_close(&dptr_num);
1474         } else if(expect_close && status_len == 0) {
1475                 /* Close the dptr - we know it's gone */
1476                 dptr_close(&dptr_num);
1477         }
1478
1479         /* If we were called as SMBfunique, then we can close the dirptr now ! */
1480         if(dptr_num >= 0 && req->cmd == SMBfunique) {
1481                 dptr_close(&dptr_num);
1482         }
1483
1484         if ((numentries == 0) && !mask_contains_wcard) {
1485                 reply_botherror(req, STATUS_NO_MORE_FILES, ERRDOS, ERRnofiles);
1486                 END_PROFILE(SMBsearch);
1487                 return;
1488         }
1489
1490         SSVAL(req->outbuf,smb_vwv0,numentries);
1491         SSVAL(req->outbuf,smb_vwv1,3 + numentries * DIR_STRUCT_SIZE);
1492         SCVAL(smb_buf(req->outbuf),0,5);
1493         SSVAL(smb_buf(req->outbuf),1,numentries*DIR_STRUCT_SIZE);
1494
1495         /* The replies here are never long name. */
1496         SSVAL(req->outbuf, smb_flg2,
1497               SVAL(req->outbuf, smb_flg2) & (~FLAGS2_IS_LONG_NAME));
1498         if (!allow_long_path_components) {
1499                 SSVAL(req->outbuf, smb_flg2,
1500                       SVAL(req->outbuf, smb_flg2)
1501                       & (~FLAGS2_LONG_PATH_COMPONENTS));
1502         }
1503
1504         /* This SMB *always* returns ASCII names. Remove the unicode bit in flags2. */
1505         SSVAL(req->outbuf, smb_flg2,
1506               (SVAL(req->outbuf, smb_flg2) & (~FLAGS2_UNICODE_STRINGS)));
1507
1508         if (!directory) {
1509                 directory = dptr_path(dptr_num);
1510         }
1511
1512         DEBUG(4,("%s mask=%s path=%s dtype=%d nument=%u of %u\n",
1513                 smb_fn_name(req->cmd),
1514                 mask,
1515                 directory ? directory : "./",
1516                 dirtype,
1517                 numentries,
1518                 maxentries ));
1519
1520         END_PROFILE(SMBsearch);
1521         return;
1522 }
1523
1524 /****************************************************************************
1525  Reply to a fclose (stop directory search).
1526 ****************************************************************************/
1527
1528 void reply_fclose(struct smb_request *req)
1529 {
1530         int status_len;
1531         char status[21];
1532         int dptr_num= -2;
1533         const char *p;
1534         char *path = NULL;
1535         NTSTATUS err;
1536         bool path_contains_wcard = False;
1537         TALLOC_CTX *ctx = talloc_tos();
1538
1539         START_PROFILE(SMBfclose);
1540
1541         if (lp_posix_pathnames()) {
1542                 reply_unknown_new(req, req->cmd);
1543                 END_PROFILE(SMBfclose);
1544                 return;
1545         }
1546
1547         p = (const char *)req->buf + 1;
1548         p += srvstr_get_path_req_wcard(ctx, req, &path, p, STR_TERMINATE,
1549                                        &err, &path_contains_wcard);
1550         if (!NT_STATUS_IS_OK(err)) {
1551                 reply_nterror(req, err);
1552                 END_PROFILE(SMBfclose);
1553                 return;
1554         }
1555         p++;
1556         status_len = SVAL(p,0);
1557         p += 2;
1558
1559         if (status_len == 0) {
1560                 reply_doserror(req, ERRSRV, ERRsrverror);
1561                 END_PROFILE(SMBfclose);
1562                 return;
1563         }
1564
1565         memcpy(status,p,21);
1566
1567         if(dptr_fetch(status+12,&dptr_num)) {
1568                 /*  Close the dptr - we know it's gone */
1569                 dptr_close(&dptr_num);
1570         }
1571
1572         reply_outbuf(req, 1, 0);
1573         SSVAL(req->outbuf,smb_vwv0,0);
1574
1575         DEBUG(3,("search close\n"));
1576
1577         END_PROFILE(SMBfclose);
1578         return;
1579 }
1580
1581 /****************************************************************************
1582  Reply to an open.
1583 ****************************************************************************/
1584
1585 void reply_open(struct smb_request *req)
1586 {
1587         connection_struct *conn = req->conn;
1588         char *fname = NULL;
1589         uint32 fattr=0;
1590         SMB_OFF_T size = 0;
1591         time_t mtime=0;
1592         int info;
1593         SMB_STRUCT_STAT sbuf;
1594         files_struct *fsp;
1595         int oplock_request;
1596         int deny_mode;
1597         uint32 dos_attr;
1598         uint32 access_mask;
1599         uint32 share_mode;
1600         uint32 create_disposition;
1601         uint32 create_options = 0;
1602         NTSTATUS status;
1603         TALLOC_CTX *ctx = talloc_tos();
1604
1605         START_PROFILE(SMBopen);
1606
1607         if (req->wct < 2) {
1608                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1609                 END_PROFILE(SMBopen);
1610                 return;
1611         }
1612
1613         oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
1614         deny_mode = SVAL(req->vwv+0, 0);
1615         dos_attr = SVAL(req->vwv+1, 0);
1616
1617         srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf+1,
1618                             STR_TERMINATE, &status);
1619         if (!NT_STATUS_IS_OK(status)) {
1620                 reply_nterror(req, status);
1621                 END_PROFILE(SMBopen);
1622                 return;
1623         }
1624
1625         if (!map_open_params_to_ntcreate(
1626                     fname, deny_mode, OPENX_FILE_EXISTS_OPEN, &access_mask,
1627                     &share_mode, &create_disposition, &create_options)) {
1628                 reply_nterror(req, NT_STATUS_DOS(ERRDOS, ERRbadaccess));
1629                 END_PROFILE(SMBopen);
1630                 return;
1631         }
1632
1633         status = SMB_VFS_CREATE_FILE(
1634                 conn,                                   /* conn */
1635                 req,                                    /* req */
1636                 0,                                      /* root_dir_fid */
1637                 fname,                                  /* fname */
1638                 CFF_DOS_PATH,                           /* create_file_flags */
1639                 access_mask,                            /* access_mask */
1640                 share_mode,                             /* share_access */
1641                 create_disposition,                     /* create_disposition*/
1642                 create_options,                         /* create_options */
1643                 dos_attr,                               /* file_attributes */
1644                 oplock_request,                         /* oplock_request */
1645                 0,                                      /* allocation_size */
1646                 NULL,                                   /* sd */
1647                 NULL,                                   /* ea_list */
1648                 &fsp,                                   /* result */
1649                 &info,                                  /* pinfo */
1650                 &sbuf);                                 /* psbuf */
1651
1652         if (!NT_STATUS_IS_OK(status)) {
1653                 if (open_was_deferred(req->mid)) {
1654                         /* We have re-scheduled this call. */
1655                         END_PROFILE(SMBopen);
1656                         return;
1657                 }
1658                 reply_openerror(req, status);
1659                 END_PROFILE(SMBopen);
1660                 return;
1661         }
1662
1663         size = sbuf.st_size;
1664         fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
1665         mtime = sbuf.st_mtime;
1666
1667         if (fattr & aDIR) {
1668                 DEBUG(3,("attempt to open a directory %s\n",fsp->fsp_name));
1669                 close_file(req, fsp, ERROR_CLOSE);
1670                 reply_doserror(req, ERRDOS,ERRnoaccess);
1671                 END_PROFILE(SMBopen);
1672                 return;
1673         }
1674
1675         reply_outbuf(req, 7, 0);
1676         SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
1677         SSVAL(req->outbuf,smb_vwv1,fattr);
1678         if(lp_dos_filetime_resolution(SNUM(conn)) ) {
1679                 srv_put_dos_date3((char *)req->outbuf,smb_vwv2,mtime & ~1);
1680         } else {
1681                 srv_put_dos_date3((char *)req->outbuf,smb_vwv2,mtime);
1682         }
1683         SIVAL(req->outbuf,smb_vwv4,(uint32)size);
1684         SSVAL(req->outbuf,smb_vwv6,deny_mode);
1685
1686         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1687                 SCVAL(req->outbuf,smb_flg,
1688                       CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1689         }
1690
1691         if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1692                 SCVAL(req->outbuf,smb_flg,
1693                       CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1694         }
1695         END_PROFILE(SMBopen);
1696         return;
1697 }
1698
1699 /****************************************************************************
1700  Reply to an open and X.
1701 ****************************************************************************/
1702
1703 void reply_open_and_X(struct smb_request *req)
1704 {
1705         connection_struct *conn = req->conn;
1706         char *fname = NULL;
1707         uint16 open_flags;
1708         int deny_mode;
1709         uint32 smb_attr;
1710         /* Breakout the oplock request bits so we can set the
1711                 reply bits separately. */
1712         int ex_oplock_request;
1713         int core_oplock_request;
1714         int oplock_request;
1715 #if 0
1716         int smb_sattr = SVAL(req->vwv+4, 0);
1717         uint32 smb_time = make_unix_date3(req->vwv+6);
1718 #endif
1719         int smb_ofun;
1720         uint32 fattr=0;
1721         int mtime=0;
1722         SMB_STRUCT_STAT sbuf;
1723         int smb_action = 0;
1724         files_struct *fsp;
1725         NTSTATUS status;
1726         uint64_t allocation_size;
1727         ssize_t retval = -1;
1728         uint32 access_mask;
1729         uint32 share_mode;
1730         uint32 create_disposition;
1731         uint32 create_options = 0;
1732         TALLOC_CTX *ctx = talloc_tos();
1733
1734         START_PROFILE(SMBopenX);
1735
1736         if (req->wct < 15) {
1737                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1738                 END_PROFILE(SMBopenX);
1739                 return;
1740         }
1741
1742         open_flags = SVAL(req->vwv+2, 0);
1743         deny_mode = SVAL(req->vwv+3, 0);
1744         smb_attr = SVAL(req->vwv+5, 0);
1745         ex_oplock_request = EXTENDED_OPLOCK_REQUEST(req->inbuf);
1746         core_oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
1747         oplock_request = ex_oplock_request | core_oplock_request;
1748         smb_ofun = SVAL(req->vwv+8, 0);
1749         allocation_size = (uint64_t)IVAL(req->vwv+9, 0);
1750
1751         /* If it's an IPC, pass off the pipe handler. */
1752         if (IS_IPC(conn)) {
1753                 if (lp_nt_pipe_support()) {
1754                         reply_open_pipe_and_X(conn, req);
1755                 } else {
1756                         reply_doserror(req, ERRSRV, ERRaccess);
1757                 }
1758                 END_PROFILE(SMBopenX);
1759                 return;
1760         }
1761
1762         /* XXXX we need to handle passed times, sattr and flags */
1763         srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
1764                         STR_TERMINATE, &status);
1765         if (!NT_STATUS_IS_OK(status)) {
1766                 reply_nterror(req, status);
1767                 END_PROFILE(SMBopenX);
1768                 return;
1769         }
1770
1771         if (!map_open_params_to_ntcreate(
1772                     fname, deny_mode, smb_ofun, &access_mask,
1773                     &share_mode, &create_disposition, &create_options)) {
1774                 reply_nterror(req, NT_STATUS_DOS(ERRDOS, ERRbadaccess));
1775                 END_PROFILE(SMBopenX);
1776                 return;
1777         }
1778
1779         status = SMB_VFS_CREATE_FILE(
1780                 conn,                                   /* conn */
1781                 req,                                    /* req */
1782                 0,                                      /* root_dir_fid */
1783                 fname,                                  /* fname */
1784                 CFF_DOS_PATH,                           /* create_file_flags */
1785                 access_mask,                            /* access_mask */
1786                 share_mode,                             /* share_access */
1787                 create_disposition,                     /* create_disposition*/
1788                 create_options,                         /* create_options */
1789                 smb_attr,                               /* file_attributes */
1790                 oplock_request,                         /* oplock_request */
1791                 0,                                      /* allocation_size */
1792                 NULL,                                   /* sd */
1793                 NULL,                                   /* ea_list */
1794                 &fsp,                                   /* result */
1795                 &smb_action,                            /* pinfo */
1796                 &sbuf);                                 /* psbuf */
1797
1798         if (!NT_STATUS_IS_OK(status)) {
1799                 END_PROFILE(SMBopenX);
1800                 if (open_was_deferred(req->mid)) {
1801                         /* We have re-scheduled this call. */
1802                         return;
1803                 }
1804                 reply_openerror(req, status);
1805                 return;
1806         }
1807
1808         /* Setting the "size" field in vwv9 and vwv10 causes the file to be set to this size,
1809            if the file is truncated or created. */
1810         if (((smb_action == FILE_WAS_CREATED) || (smb_action == FILE_WAS_OVERWRITTEN)) && allocation_size) {
1811                 fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
1812                 if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
1813                         close_file(req, fsp, ERROR_CLOSE);
1814                         reply_nterror(req, NT_STATUS_DISK_FULL);
1815                         END_PROFILE(SMBopenX);
1816                         return;
1817                 }
1818                 retval = vfs_set_filelen(fsp, (SMB_OFF_T)allocation_size);
1819                 if (retval < 0) {
1820                         close_file(req, fsp, ERROR_CLOSE);
1821                         reply_nterror(req, NT_STATUS_DISK_FULL);
1822                         END_PROFILE(SMBopenX);
1823                         return;
1824                 }
1825                 sbuf.st_size = get_allocation_size(conn,fsp,&sbuf);
1826         }
1827
1828         fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
1829         mtime = sbuf.st_mtime;
1830         if (fattr & aDIR) {
1831                 close_file(req, fsp, ERROR_CLOSE);
1832                 reply_doserror(req, ERRDOS, ERRnoaccess);
1833                 END_PROFILE(SMBopenX);
1834                 return;
1835         }
1836
1837         /* If the caller set the extended oplock request bit
1838                 and we granted one (by whatever means) - set the
1839                 correct bit for extended oplock reply.
1840         */
1841
1842         if (ex_oplock_request && lp_fake_oplocks(SNUM(conn))) {
1843                 smb_action |= EXTENDED_OPLOCK_GRANTED;
1844         }
1845
1846         if(ex_oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1847                 smb_action |= EXTENDED_OPLOCK_GRANTED;
1848         }
1849
1850         /* If the caller set the core oplock request bit
1851                 and we granted one (by whatever means) - set the
1852                 correct bit for core oplock reply.
1853         */
1854
1855         if (open_flags & EXTENDED_RESPONSE_REQUIRED) {
1856                 reply_outbuf(req, 19, 0);
1857         } else {
1858                 reply_outbuf(req, 15, 0);
1859         }
1860
1861         if (core_oplock_request && lp_fake_oplocks(SNUM(conn))) {
1862                 SCVAL(req->outbuf, smb_flg,
1863                       CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1864         }
1865
1866         if(core_oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1867                 SCVAL(req->outbuf, smb_flg,
1868                       CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1869         }
1870
1871         SSVAL(req->outbuf,smb_vwv2,fsp->fnum);
1872         SSVAL(req->outbuf,smb_vwv3,fattr);
1873         if(lp_dos_filetime_resolution(SNUM(conn)) ) {
1874                 srv_put_dos_date3((char *)req->outbuf,smb_vwv4,mtime & ~1);
1875         } else {
1876                 srv_put_dos_date3((char *)req->outbuf,smb_vwv4,mtime);
1877         }
1878         SIVAL(req->outbuf,smb_vwv6,(uint32)sbuf.st_size);
1879         SSVAL(req->outbuf,smb_vwv8,GET_OPENX_MODE(deny_mode));
1880         SSVAL(req->outbuf,smb_vwv11,smb_action);
1881
1882         if (open_flags & EXTENDED_RESPONSE_REQUIRED) {
1883                 SIVAL(req->outbuf, smb_vwv15, STD_RIGHT_ALL_ACCESS);
1884         }
1885
1886         END_PROFILE(SMBopenX);
1887         chain_reply(req);
1888         return;
1889 }
1890
1891 /****************************************************************************
1892  Reply to a SMBulogoffX.
1893 ****************************************************************************/
1894
1895 void reply_ulogoffX(struct smb_request *req)
1896 {
1897         user_struct *vuser;
1898
1899         START_PROFILE(SMBulogoffX);
1900
1901         vuser = get_valid_user_struct(req->vuid);
1902
1903         if(vuser == NULL) {
1904                 DEBUG(3,("ulogoff, vuser id %d does not map to user.\n",
1905                          req->vuid));
1906         }
1907
1908         /* in user level security we are supposed to close any files
1909                 open by this user */
1910         if ((vuser != NULL) && (lp_security() != SEC_SHARE)) {
1911                 file_close_user(req->vuid);
1912         }
1913
1914         invalidate_vuid(req->vuid);
1915
1916         reply_outbuf(req, 2, 0);
1917
1918         DEBUG( 3, ( "ulogoffX vuid=%d\n", req->vuid ) );
1919
1920         END_PROFILE(SMBulogoffX);
1921         chain_reply(req);
1922 }
1923
1924 /****************************************************************************
1925  Reply to a mknew or a create.
1926 ****************************************************************************/
1927
1928 void reply_mknew(struct smb_request *req)
1929 {
1930         connection_struct *conn = req->conn;
1931         char *fname = NULL;
1932         uint32 fattr = 0;
1933         struct timespec ts[2];
1934         files_struct *fsp;
1935         int oplock_request = 0;
1936         SMB_STRUCT_STAT sbuf;
1937         NTSTATUS status;
1938         uint32 access_mask = FILE_GENERIC_READ | FILE_GENERIC_WRITE;
1939         uint32 share_mode = FILE_SHARE_READ|FILE_SHARE_WRITE;
1940         uint32 create_disposition;
1941         uint32 create_options = 0;
1942         TALLOC_CTX *ctx = talloc_tos();
1943
1944         START_PROFILE(SMBcreate);
1945
1946         if (req->wct < 3) {
1947                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1948                 END_PROFILE(SMBcreate);
1949                 return;
1950         }
1951
1952         fattr = SVAL(req->vwv+0, 0);
1953         oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
1954
1955         ts[1] = convert_time_t_to_timespec(srv_make_unix_date3(req->vwv+1));
1956                         /* mtime. */
1957
1958         srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf + 1,
1959                             STR_TERMINATE, &status);
1960         if (!NT_STATUS_IS_OK(status)) {
1961                 reply_nterror(req, status);
1962                 END_PROFILE(SMBcreate);
1963                 return;
1964         }
1965
1966         if (fattr & aVOLID) {
1967                 DEBUG(0,("Attempt to create file (%s) with volid set - "
1968                         "please report this\n", fname));
1969         }
1970
1971         if(req->cmd == SMBmknew) {
1972                 /* We should fail if file exists. */
1973                 create_disposition = FILE_CREATE;
1974         } else {
1975                 /* Create if file doesn't exist, truncate if it does. */
1976                 create_disposition = FILE_OVERWRITE_IF;
1977         }
1978
1979         status = SMB_VFS_CREATE_FILE(
1980                 conn,                                   /* conn */
1981                 req,                                    /* req */
1982                 0,                                      /* root_dir_fid */
1983                 fname,                                  /* fname */
1984                 CFF_DOS_PATH,                           /* create_file_flags */
1985                 access_mask,                            /* access_mask */
1986                 share_mode,                             /* share_access */
1987                 create_disposition,                     /* create_disposition*/
1988                 create_options,                         /* create_options */
1989                 fattr,                                  /* file_attributes */
1990                 oplock_request,                         /* oplock_request */
1991                 0,                                      /* allocation_size */
1992                 NULL,                                   /* sd */
1993                 NULL,                                   /* ea_list */
1994                 &fsp,                                   /* result */
1995                 NULL,                                   /* pinfo */
1996                 &sbuf);                                 /* psbuf */
1997
1998         if (!NT_STATUS_IS_OK(status)) {
1999                 END_PROFILE(SMBcreate);
2000                 if (open_was_deferred(req->mid)) {
2001                         /* We have re-scheduled this call. */
2002                         return;
2003                 }
2004                 reply_openerror(req, status);
2005                 return;
2006         }
2007
2008         ts[0] = get_atimespec(&sbuf); /* atime. */
2009         status = smb_set_file_time(conn, fsp, fsp->fsp_name, &sbuf, ts, true);
2010         if (!NT_STATUS_IS_OK(status)) {
2011                 END_PROFILE(SMBcreate);
2012                 reply_openerror(req, status);
2013                 return;
2014         }
2015
2016         reply_outbuf(req, 1, 0);
2017         SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
2018
2019         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
2020                 SCVAL(req->outbuf,smb_flg,
2021                                 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2022         }
2023
2024         if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
2025                 SCVAL(req->outbuf,smb_flg,
2026                                 CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2027         }
2028
2029         DEBUG( 2, ( "reply_mknew: file %s\n", fsp->fsp_name ) );
2030         DEBUG( 3, ( "reply_mknew %s fd=%d dmode=0x%x\n",
2031                     fsp->fsp_name, fsp->fh->fd, (unsigned int)fattr ) );
2032
2033         END_PROFILE(SMBcreate);
2034         return;
2035 }
2036
2037 /****************************************************************************
2038  Reply to a create temporary file.
2039 ****************************************************************************/
2040
2041 void reply_ctemp(struct smb_request *req)
2042 {
2043         connection_struct *conn = req->conn;
2044         char *fname = NULL;
2045         uint32 fattr;
2046         files_struct *fsp;
2047         int oplock_request;
2048         int tmpfd;
2049         SMB_STRUCT_STAT sbuf;
2050         char *s;
2051         NTSTATUS status;
2052         TALLOC_CTX *ctx = talloc_tos();
2053
2054         START_PROFILE(SMBctemp);
2055
2056         if (req->wct < 3) {
2057                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2058                 END_PROFILE(SMBctemp);
2059                 return;
2060         }
2061
2062         fattr = SVAL(req->vwv+0, 0);
2063         oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
2064
2065         srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf+1,
2066                             STR_TERMINATE, &status);
2067         if (!NT_STATUS_IS_OK(status)) {
2068                 reply_nterror(req, status);
2069                 END_PROFILE(SMBctemp);
2070                 return;
2071         }
2072         if (*fname) {
2073                 fname = talloc_asprintf(ctx,
2074                                 "%s/TMXXXXXX",
2075                                 fname);
2076         } else {
2077                 fname = talloc_strdup(ctx, "TMXXXXXX");
2078         }
2079
2080         if (!fname) {
2081                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2082                 END_PROFILE(SMBctemp);
2083                 return;
2084         }
2085
2086         status = resolve_dfspath(ctx, conn,
2087                                 req->flags2 & FLAGS2_DFS_PATHNAMES,
2088                                 fname,
2089                                 &fname);
2090         if (!NT_STATUS_IS_OK(status)) {
2091                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2092                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2093                                         ERRSRV, ERRbadpath);
2094                         END_PROFILE(SMBctemp);
2095                         return;
2096                 }
2097                 reply_nterror(req, status);
2098                 END_PROFILE(SMBctemp);
2099                 return;
2100         }
2101
2102         status = unix_convert(ctx, conn, fname, False, &fname, NULL, &sbuf);
2103         if (!NT_STATUS_IS_OK(status)) {
2104                 reply_nterror(req, status);
2105                 END_PROFILE(SMBctemp);
2106                 return;
2107         }
2108
2109         status = check_name(conn, fname);
2110         if (!NT_STATUS_IS_OK(status)) {
2111                 reply_nterror(req, status);
2112                 END_PROFILE(SMBctemp);
2113                 return;
2114         }
2115
2116         tmpfd = smb_mkstemp(fname);
2117         if (tmpfd == -1) {
2118                 reply_unixerror(req, ERRDOS, ERRnoaccess);
2119                 END_PROFILE(SMBctemp);
2120                 return;
2121         }
2122
2123         SMB_VFS_STAT(conn,fname,&sbuf);
2124
2125         /* We should fail if file does not exist. */
2126         status = SMB_VFS_CREATE_FILE(
2127                 conn,                                   /* conn */
2128                 req,                                    /* req */
2129                 0,                                      /* root_dir_fid */
2130                 fname,                                  /* fname */
2131                 0,                                      /* create_file_flags */
2132                 FILE_GENERIC_READ | FILE_GENERIC_WRITE, /* access_mask */
2133                 FILE_SHARE_READ | FILE_SHARE_WRITE,     /* share_access */
2134                 FILE_OPEN,                              /* create_disposition*/
2135                 0,                                      /* create_options */
2136                 fattr,                                  /* file_attributes */
2137                 oplock_request,                         /* oplock_request */
2138                 0,                                      /* allocation_size */
2139                 NULL,                                   /* sd */
2140                 NULL,                                   /* ea_list */
2141                 &fsp,                                   /* result */
2142                 NULL,                                   /* pinfo */
2143                 &sbuf);                                 /* psbuf */
2144
2145         /* close fd from smb_mkstemp() */
2146         close(tmpfd);
2147
2148         if (!NT_STATUS_IS_OK(status)) {
2149                 if (open_was_deferred(req->mid)) {
2150                         /* We have re-scheduled this call. */
2151                         END_PROFILE(SMBctemp);
2152                         return;
2153                 }
2154                 reply_openerror(req, status);
2155                 END_PROFILE(SMBctemp);
2156                 return;
2157         }
2158
2159         reply_outbuf(req, 1, 0);
2160         SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
2161
2162         /* the returned filename is relative to the directory */
2163         s = strrchr_m(fsp->fsp_name, '/');
2164         if (!s) {
2165                 s = fsp->fsp_name;
2166         } else {
2167                 s++;
2168         }
2169
2170 #if 0
2171         /* Tested vs W2K3 - this doesn't seem to be here - null terminated filename is the only
2172            thing in the byte section. JRA */
2173         SSVALS(p, 0, -1); /* what is this? not in spec */
2174 #endif
2175         if (message_push_string(&req->outbuf, s, STR_ASCII|STR_TERMINATE)
2176             == -1) {
2177                 reply_nterror(req, NT_STATUS_NO_MEMORY);
2178                 END_PROFILE(SMBctemp);
2179                 return;
2180         }
2181
2182         if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
2183                 SCVAL(req->outbuf, smb_flg,
2184                       CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2185         }
2186
2187         if (EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
2188                 SCVAL(req->outbuf, smb_flg,
2189                       CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2190         }
2191
2192         DEBUG( 2, ( "reply_ctemp: created temp file %s\n", fsp->fsp_name ) );
2193         DEBUG( 3, ( "reply_ctemp %s fd=%d umode=0%o\n", fsp->fsp_name,
2194                     fsp->fh->fd, (unsigned int)sbuf.st_mode ) );
2195
2196         END_PROFILE(SMBctemp);
2197         return;
2198 }
2199
2200 /*******************************************************************
2201  Check if a user is allowed to rename a file.
2202 ********************************************************************/
2203
2204 static NTSTATUS can_rename(connection_struct *conn, files_struct *fsp,
2205                            uint16 dirtype, SMB_STRUCT_STAT *pst)
2206 {
2207         uint32 fmode;
2208
2209         if (!CAN_WRITE(conn)) {
2210                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
2211         }
2212
2213         fmode = dos_mode(conn, fsp->fsp_name, pst);
2214         if ((fmode & ~dirtype) & (aHIDDEN | aSYSTEM)) {
2215                 return NT_STATUS_NO_SUCH_FILE;
2216         }
2217
2218         if (S_ISDIR(pst->st_mode)) {
2219                 return NT_STATUS_OK;
2220         }
2221
2222         if (fsp->access_mask & (DELETE_ACCESS|FILE_WRITE_ATTRIBUTES)) {
2223                 return NT_STATUS_OK;
2224         }
2225
2226         return NT_STATUS_ACCESS_DENIED;
2227 }
2228
2229 /*******************************************************************
2230  * unlink a file with all relevant access checks
2231  *******************************************************************/
2232
2233 static NTSTATUS do_unlink(connection_struct *conn,
2234                         struct smb_request *req,
2235                         const char *fname,
2236                         uint32 dirtype)
2237 {
2238         SMB_STRUCT_STAT sbuf;
2239         uint32 fattr;
2240         files_struct *fsp;
2241         uint32 dirtype_orig = dirtype;
2242         NTSTATUS status;
2243
2244         DEBUG(10,("do_unlink: %s, dirtype = %d\n", fname, dirtype ));
2245
2246         if (!CAN_WRITE(conn)) {
2247                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
2248         }
2249
2250         if (SMB_VFS_LSTAT(conn,fname,&sbuf) != 0) {
2251                 return map_nt_error_from_unix(errno);
2252         }
2253
2254         fattr = dos_mode(conn,fname,&sbuf);
2255
2256         if (dirtype & FILE_ATTRIBUTE_NORMAL) {
2257                 dirtype = aDIR|aARCH|aRONLY;
2258         }
2259
2260         dirtype &= (aDIR|aARCH|aRONLY|aHIDDEN|aSYSTEM);
2261         if (!dirtype) {
2262                 return NT_STATUS_NO_SUCH_FILE;
2263         }
2264
2265         if (!dir_check_ftype(conn, fattr, dirtype)) {
2266                 if (fattr & aDIR) {
2267                         return NT_STATUS_FILE_IS_A_DIRECTORY;
2268                 }
2269                 return NT_STATUS_NO_SUCH_FILE;
2270         }
2271
2272         if (dirtype_orig & 0x8000) {
2273                 /* These will never be set for POSIX. */
2274                 return NT_STATUS_NO_SUCH_FILE;
2275         }
2276
2277 #if 0
2278         if ((fattr & dirtype) & FILE_ATTRIBUTE_DIRECTORY) {
2279                 return NT_STATUS_FILE_IS_A_DIRECTORY;
2280         }
2281
2282         if ((fattr & ~dirtype) & (FILE_ATTRIBUTE_HIDDEN|FILE_ATTRIBUTE_SYSTEM)) {
2283                 return NT_STATUS_NO_SUCH_FILE;
2284         }
2285
2286         if (dirtype & 0xFF00) {
2287                 /* These will never be set for POSIX. */
2288                 return NT_STATUS_NO_SUCH_FILE;
2289         }
2290
2291         dirtype &= 0xFF;
2292         if (!dirtype) {
2293                 return NT_STATUS_NO_SUCH_FILE;
2294         }
2295
2296         /* Can't delete a directory. */
2297         if (fattr & aDIR) {
2298                 return NT_STATUS_FILE_IS_A_DIRECTORY;
2299         }
2300 #endif
2301
2302 #if 0 /* JRATEST */
2303         else if (dirtype & aDIR) /* Asked for a directory and it isn't. */
2304                 return NT_STATUS_OBJECT_NAME_INVALID;
2305 #endif /* JRATEST */
2306
2307         /* Fix for bug #3035 from SATOH Fumiyasu <fumiyas@miraclelinux.com>
2308
2309           On a Windows share, a file with read-only dosmode can be opened with
2310           DELETE_ACCESS. But on a Samba share (delete readonly = no), it
2311           fails with NT_STATUS_CANNOT_DELETE error.
2312
2313           This semantic causes a problem that a user can not
2314           rename a file with read-only dosmode on a Samba share
2315           from a Windows command prompt (i.e. cmd.exe, but can rename
2316           from Windows Explorer).
2317         */
2318
2319         if (!lp_delete_readonly(SNUM(conn))) {
2320                 if (fattr & aRONLY) {
2321                         return NT_STATUS_CANNOT_DELETE;
2322                 }
2323         }
2324
2325         /* On open checks the open itself will check the share mode, so
2326            don't do it here as we'll get it wrong. */
2327
2328         status = SMB_VFS_CREATE_FILE
2329                 (conn,                  /* conn */
2330                  req,                   /* req */
2331                  0,                     /* root_dir_fid */
2332                  fname,                 /* fname */
2333                  0,                     /* create_file_flags */
2334                  DELETE_ACCESS,         /* access_mask */
2335                  FILE_SHARE_NONE,       /* share_access */
2336                  FILE_OPEN,             /* create_disposition*/
2337                  FILE_NON_DIRECTORY_FILE, /* create_options */
2338                  FILE_ATTRIBUTE_NORMAL, /* file_attributes */
2339                  0,                     /* oplock_request */
2340                  0,                     /* allocation_size */
2341                  NULL,                  /* sd */
2342                  NULL,                  /* ea_list */
2343                  &fsp,                  /* result */
2344                  NULL,                  /* pinfo */
2345                  &sbuf);                /* psbuf */
2346
2347         if (!NT_STATUS_IS_OK(status)) {
2348                 DEBUG(10, ("SMB_VFS_CREATEFILE failed: %s\n",
2349                            nt_errstr(status)));
2350                 return status;
2351         }
2352
2353         /* The set is across all open files on this dev/inode pair. */
2354         if (!set_delete_on_close(fsp, True, &conn->server_info->utok)) {
2355                 close_file(req, fsp, NORMAL_CLOSE);
2356                 return NT_STATUS_ACCESS_DENIED;
2357         }
2358
2359         return close_file(req, fsp, NORMAL_CLOSE);
2360 }
2361
2362 /****************************************************************************
2363  The guts of the unlink command, split out so it may be called by the NT SMB
2364  code.
2365 ****************************************************************************/
2366
2367 NTSTATUS unlink_internals(connection_struct *conn, struct smb_request *req,
2368                           uint32 dirtype, const char *name_in, bool has_wild)
2369 {
2370         const char *directory = NULL;
2371         char *mask = NULL;
2372         char *name = NULL;
2373         char *p = NULL;
2374         int count=0;
2375         NTSTATUS status = NT_STATUS_OK;
2376         SMB_STRUCT_STAT sbuf;
2377         TALLOC_CTX *ctx = talloc_tos();
2378
2379         status = unix_convert(ctx, conn, name_in, has_wild, &name, NULL, &sbuf);
2380         if (!NT_STATUS_IS_OK(status)) {
2381                 return status;
2382         }
2383
2384         p = strrchr_m(name,'/');
2385         if (!p) {
2386                 directory = talloc_strdup(ctx, ".");
2387                 if (!directory) {
2388                         return NT_STATUS_NO_MEMORY;
2389                 }
2390                 mask = name;
2391         } else {
2392                 *p = 0;
2393                 directory = name;
2394                 mask = p+1;
2395         }
2396
2397         /*
2398          * We should only check the mangled cache
2399          * here if unix_convert failed. This means
2400          * that the path in 'mask' doesn't exist
2401          * on the file system and so we need to look
2402          * for a possible mangle. This patch from
2403          * Tine Smukavec <valentin.smukavec@hermes.si>.
2404          */
2405
2406         if (!VALID_STAT(sbuf) && mangle_is_mangled(mask,conn->params)) {
2407                 char *new_mask = NULL;
2408                 mangle_lookup_name_from_8_3(ctx,
2409                                 mask,
2410                                 &new_mask,
2411                                 conn->params );
2412                 if (new_mask) {
2413                         mask = new_mask;
2414                 }
2415         }
2416
2417         if (!has_wild) {
2418                 directory = talloc_asprintf(ctx,
2419                                 "%s/%s",
2420                                 directory,
2421                                 mask);
2422                 if (!directory) {
2423                         return NT_STATUS_NO_MEMORY;
2424                 }
2425                 if (dirtype == 0) {
2426                         dirtype = FILE_ATTRIBUTE_NORMAL;
2427                 }
2428
2429                 status = check_name(conn, directory);
2430                 if (!NT_STATUS_IS_OK(status)) {
2431                         return status;
2432                 }
2433
2434                 status = do_unlink(conn, req, directory, dirtype);
2435                 if (!NT_STATUS_IS_OK(status)) {
2436                         return status;
2437                 }
2438
2439                 count++;
2440         } else {
2441                 struct smb_Dir *dir_hnd = NULL;
2442                 long offset = 0;
2443                 const char *dname;
2444
2445                 if ((dirtype & SAMBA_ATTRIBUTES_MASK) == aDIR) {
2446                         return NT_STATUS_OBJECT_NAME_INVALID;
2447                 }
2448
2449                 if (strequal(mask,"????????.???")) {
2450                         mask[0] = '*';
2451                         mask[1] = '\0';
2452                 }
2453
2454                 status = check_name(conn, directory);
2455                 if (!NT_STATUS_IS_OK(status)) {
2456                         return status;
2457                 }
2458
2459                 dir_hnd = OpenDir(talloc_tos(), conn, directory, mask,
2460                                   dirtype);
2461                 if (dir_hnd == NULL) {
2462                         return map_nt_error_from_unix(errno);
2463                 }
2464
2465                 /* XXXX the CIFS spec says that if bit0 of the flags2 field is set then
2466                    the pattern matches against the long name, otherwise the short name
2467                    We don't implement this yet XXXX
2468                 */
2469
2470                 status = NT_STATUS_NO_SUCH_FILE;
2471
2472                 while ((dname = ReadDirName(dir_hnd, &offset))) {
2473                         SMB_STRUCT_STAT st;
2474                         char *fname = NULL;
2475
2476                         if (!is_visible_file(conn, directory, dname, &st, True)) {
2477                                 continue;
2478                         }
2479
2480                         /* Quick check for "." and ".." */
2481                         if (ISDOT(dname) || ISDOTDOT(dname)) {
2482                                 continue;
2483                         }
2484
2485                         if(!mask_match(dname, mask, conn->case_sensitive)) {
2486                                 continue;
2487                         }
2488
2489                         fname = talloc_asprintf(ctx, "%s/%s",
2490                                         directory,
2491                                         dname);
2492                         if (!fname) {
2493                                 return NT_STATUS_NO_MEMORY;
2494                         }
2495
2496                         status = check_name(conn, fname);
2497                         if (!NT_STATUS_IS_OK(status)) {
2498                                 TALLOC_FREE(dir_hnd);
2499                                 return status;
2500                         }
2501
2502                         status = do_unlink(conn, req, fname, dirtype);
2503                         if (!NT_STATUS_IS_OK(status)) {
2504                                 TALLOC_FREE(fname);
2505                                 continue;
2506                         }
2507
2508                         count++;
2509                         DEBUG(3,("unlink_internals: successful unlink [%s]\n",
2510                                  fname));
2511
2512                         TALLOC_FREE(fname);
2513                 }
2514                 TALLOC_FREE(dir_hnd);
2515         }
2516
2517         if (count == 0 && NT_STATUS_IS_OK(status) && errno != 0) {
2518                 status = map_nt_error_from_unix(errno);
2519         }
2520
2521         return status;
2522 }
2523
2524 /****************************************************************************
2525  Reply to a unlink
2526 ****************************************************************************/
2527
2528 void reply_unlink(struct smb_request *req)
2529 {
2530         connection_struct *conn = req->conn;
2531         char *name = NULL;
2532         uint32 dirtype;
2533         NTSTATUS status;
2534         bool path_contains_wcard = False;
2535         TALLOC_CTX *ctx = talloc_tos();
2536
2537         START_PROFILE(SMBunlink);
2538
2539         if (req->wct < 1) {
2540                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2541                 END_PROFILE(SMBunlink);
2542                 return;
2543         }
2544
2545         dirtype = SVAL(req->vwv+0, 0);
2546
2547         srvstr_get_path_req_wcard(ctx, req, &name, (const char *)req->buf + 1,
2548                                   STR_TERMINATE, &status,
2549                                   &path_contains_wcard);
2550         if (!NT_STATUS_IS_OK(status)) {
2551                 reply_nterror(req, status);
2552                 END_PROFILE(SMBunlink);
2553                 return;
2554         }
2555
2556         status = resolve_dfspath_wcard(ctx, conn,
2557                                        req->flags2 & FLAGS2_DFS_PATHNAMES,
2558                                        name,
2559                                        &name,
2560                                        &path_contains_wcard);
2561         if (!NT_STATUS_IS_OK(status)) {
2562                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2563                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2564                                         ERRSRV, ERRbadpath);
2565                         END_PROFILE(SMBunlink);
2566                         return;
2567                 }
2568                 reply_nterror(req, status);
2569                 END_PROFILE(SMBunlink);
2570                 return;
2571         }
2572
2573         DEBUG(3,("reply_unlink : %s\n",name));
2574
2575         status = unlink_internals(conn, req, dirtype, name,
2576                                   path_contains_wcard);
2577         if (!NT_STATUS_IS_OK(status)) {
2578                 if (open_was_deferred(req->mid)) {
2579                         /* We have re-scheduled this call. */
2580                         END_PROFILE(SMBunlink);
2581                         return;
2582                 }
2583                 reply_nterror(req, status);
2584                 END_PROFILE(SMBunlink);
2585                 return;
2586         }
2587
2588         reply_outbuf(req, 0, 0);
2589         END_PROFILE(SMBunlink);
2590
2591         return;
2592 }
2593
2594 /****************************************************************************
2595  Fail for readbraw.
2596 ****************************************************************************/
2597
2598 static void fail_readraw(void)
2599 {
2600         const char *errstr = talloc_asprintf(talloc_tos(),
2601                         "FAIL ! reply_readbraw: socket write fail (%s)",
2602                         strerror(errno));
2603         if (!errstr) {
2604                 errstr = "";
2605         }
2606         exit_server_cleanly(errstr);
2607 }
2608
2609 /****************************************************************************
2610  Fake (read/write) sendfile. Returns -1 on read or write fail.
2611 ****************************************************************************/
2612
2613 static ssize_t fake_sendfile(files_struct *fsp, SMB_OFF_T startpos,
2614                              size_t nread)
2615 {
2616         size_t bufsize;
2617         size_t tosend = nread;
2618         char *buf;
2619
2620         if (nread == 0) {
2621                 return 0;
2622         }
2623
2624         bufsize = MIN(nread, 65536);
2625
2626         if (!(buf = SMB_MALLOC_ARRAY(char, bufsize))) {
2627                 return -1;
2628         }
2629
2630         while (tosend > 0) {
2631                 ssize_t ret;
2632                 size_t cur_read;
2633
2634                 if (tosend > bufsize) {
2635                         cur_read = bufsize;
2636                 } else {
2637                         cur_read = tosend;
2638                 }
2639                 ret = read_file(fsp,buf,startpos,cur_read);
2640                 if (ret == -1) {
2641                         SAFE_FREE(buf);
2642                         return -1;
2643                 }
2644
2645                 /* If we had a short read, fill with zeros. */
2646                 if (ret < cur_read) {
2647                         memset(buf, '\0', cur_read - ret);
2648                 }
2649
2650                 if (write_data(smbd_server_fd(),buf,cur_read) != cur_read) {
2651                         SAFE_FREE(buf);
2652                         return -1;
2653                 }
2654                 tosend -= cur_read;
2655                 startpos += cur_read;
2656         }
2657
2658         SAFE_FREE(buf);
2659         return (ssize_t)nread;
2660 }
2661
2662 /****************************************************************************
2663  Return a readbraw error (4 bytes of zero).
2664 ****************************************************************************/
2665
2666 static void reply_readbraw_error(void)
2667 {
2668         char header[4];
2669         SIVAL(header,0,0);
2670         if (write_data(smbd_server_fd(),header,4) != 4) {
2671                 fail_readraw();
2672         }
2673 }
2674
2675 /****************************************************************************
2676  Use sendfile in readbraw.
2677 ****************************************************************************/
2678
2679 void send_file_readbraw(connection_struct *conn,
2680                         files_struct *fsp,
2681                         SMB_OFF_T startpos,
2682                         size_t nread,
2683                         ssize_t mincount)
2684 {
2685         char *outbuf = NULL;
2686         ssize_t ret=0;
2687
2688 #if defined(WITH_SENDFILE)
2689         /*
2690          * We can only use sendfile on a non-chained packet
2691          * but we can use on a non-oplocked file. tridge proved this
2692          * on a train in Germany :-). JRA.
2693          * reply_readbraw has already checked the length.
2694          */
2695
2696         if ( (chain_size == 0) && (nread > 0) && (fsp->base_fsp == NULL) &&
2697             (fsp->wcp == NULL) && lp_use_sendfile(SNUM(conn)) ) {
2698                 char header[4];
2699                 DATA_BLOB header_blob;
2700
2701                 _smb_setlen(header,nread);
2702                 header_blob = data_blob_const(header, 4);
2703
2704                 if (SMB_VFS_SENDFILE(smbd_server_fd(), fsp,
2705                                 &header_blob, startpos, nread) == -1) {
2706                         /* Returning ENOSYS means no data at all was sent.
2707                          * Do this as a normal read. */
2708                         if (errno == ENOSYS) {
2709                                 goto normal_readbraw;
2710                         }
2711
2712                         /*
2713                          * Special hack for broken Linux with no working sendfile. If we
2714                          * return EINTR we sent the header but not the rest of the data.
2715                          * Fake this up by doing read/write calls.
2716                          */
2717                         if (errno == EINTR) {
2718                                 /* Ensure we don't do this again. */
2719                                 set_use_sendfile(SNUM(conn), False);
2720                                 DEBUG(0,("send_file_readbraw: sendfile not available. Faking..\n"));
2721
2722                                 if (fake_sendfile(fsp, startpos, nread) == -1) {
2723                                         DEBUG(0,("send_file_readbraw: fake_sendfile failed for file %s (%s).\n",
2724                                                 fsp->fsp_name, strerror(errno) ));
2725                                         exit_server_cleanly("send_file_readbraw fake_sendfile failed");
2726                                 }
2727                                 return;
2728                         }
2729
2730                         DEBUG(0,("send_file_readbraw: sendfile failed for file %s (%s). Terminating\n",
2731                                 fsp->fsp_name, strerror(errno) ));
2732                         exit_server_cleanly("send_file_readbraw sendfile failed");
2733                 }
2734
2735                 return;
2736         }
2737 #endif
2738
2739 normal_readbraw:
2740
2741         outbuf = TALLOC_ARRAY(NULL, char, nread+4);
2742         if (!outbuf) {
2743                 DEBUG(0,("send_file_readbraw: TALLOC_ARRAY failed for size %u.\n",
2744                         (unsigned)(nread+4)));
2745                 reply_readbraw_error();
2746                 return;
2747         }
2748
2749         if (nread > 0) {
2750                 ret = read_file(fsp,outbuf+4,startpos,nread);
2751 #if 0 /* mincount appears to be ignored in a W2K server. JRA. */
2752                 if (ret < mincount)
2753                         ret = 0;
2754 #else
2755                 if (ret < nread)
2756                         ret = 0;
2757 #endif
2758         }
2759
2760         _smb_setlen(outbuf,ret);
2761         if (write_data(smbd_server_fd(),outbuf,4+ret) != 4+ret)
2762                 fail_readraw();
2763
2764         TALLOC_FREE(outbuf);
2765 }
2766
2767 /****************************************************************************
2768  Reply to a readbraw (core+ protocol).
2769 ****************************************************************************/
2770
2771 void reply_readbraw(struct smb_request *req)
2772 {
2773         connection_struct *conn = req->conn;
2774         ssize_t maxcount,mincount;
2775         size_t nread = 0;
2776         SMB_OFF_T startpos;
2777         files_struct *fsp;
2778         SMB_STRUCT_STAT st;
2779         SMB_OFF_T size = 0;
2780
2781         START_PROFILE(SMBreadbraw);
2782
2783         if (srv_is_signing_active() || is_encrypted_packet(req->inbuf)) {
2784                 exit_server_cleanly("reply_readbraw: SMB signing/sealing is active - "
2785                         "raw reads/writes are disallowed.");
2786         }
2787
2788         if (req->wct < 8) {
2789                 reply_readbraw_error();
2790                 END_PROFILE(SMBreadbraw);
2791                 return;
2792         }
2793
2794         /*
2795          * Special check if an oplock break has been issued
2796          * and the readraw request croses on the wire, we must
2797          * return a zero length response here.
2798          */
2799
2800         fsp = file_fsp(req, SVAL(req->vwv+0, 0));
2801
2802         /*
2803          * We have to do a check_fsp by hand here, as
2804          * we must always return 4 zero bytes on error,
2805          * not a NTSTATUS.
2806          */
2807
2808         if (!fsp || !conn || conn != fsp->conn ||
2809                         req->vuid != fsp->vuid ||
2810                         fsp->is_directory || fsp->fh->fd == -1) {
2811                 /*
2812                  * fsp could be NULL here so use the value from the packet. JRA.
2813                  */
2814                 DEBUG(3,("reply_readbraw: fnum %d not valid "
2815                         "- cache prime?\n",
2816                         (int)SVAL(req->vwv+0, 0)));
2817                 reply_readbraw_error();
2818                 END_PROFILE(SMBreadbraw);
2819                 return;
2820         }
2821
2822         /* Do a "by hand" version of CHECK_READ. */
2823         if (!(fsp->can_read ||
2824                         ((req->flags2 & FLAGS2_READ_PERMIT_EXECUTE) &&
2825                                 (fsp->access_mask & FILE_EXECUTE)))) {
2826                 DEBUG(3,("reply_readbraw: fnum %d not readable.\n",
2827                                 (int)SVAL(req->vwv+0, 0)));
2828                 reply_readbraw_error();
2829                 END_PROFILE(SMBreadbraw);
2830                 return;
2831         }
2832
2833         flush_write_cache(fsp, READRAW_FLUSH);
2834
2835         startpos = IVAL_TO_SMB_OFF_T(req->vwv+1, 0);
2836         if(req->wct == 10) {
2837                 /*
2838                  * This is a large offset (64 bit) read.
2839                  */
2840 #ifdef LARGE_SMB_OFF_T
2841
2842                 startpos |= (((SMB_OFF_T)IVAL(req->vwv+8, 0)) << 32);
2843
2844 #else /* !LARGE_SMB_OFF_T */
2845
2846                 /*
2847                  * Ensure we haven't been sent a >32 bit offset.
2848                  */
2849
2850                 if(IVAL(req->vwv+8, 0) != 0) {
2851                         DEBUG(0,("reply_readbraw: large offset "
2852                                 "(%x << 32) used and we don't support "
2853                                 "64 bit offsets.\n",
2854                         (unsigned int)IVAL(req->vwv+8, 0) ));
2855                         reply_readbraw_error();
2856                         END_PROFILE(SMBreadbraw);
2857                         return;
2858                 }
2859
2860 #endif /* LARGE_SMB_OFF_T */
2861
2862                 if(startpos < 0) {
2863                         DEBUG(0,("reply_readbraw: negative 64 bit "
2864                                 "readraw offset (%.0f) !\n",
2865                                 (double)startpos ));
2866                         reply_readbraw_error();
2867                         END_PROFILE(SMBreadbraw);
2868                         return;
2869                 }
2870         }
2871
2872         maxcount = (SVAL(req->vwv+3, 0) & 0xFFFF);
2873         mincount = (SVAL(req->vwv+4, 0) & 0xFFFF);
2874
2875         /* ensure we don't overrun the packet size */
2876         maxcount = MIN(65535,maxcount);
2877
2878         if (is_locked(fsp,(uint32)req->smbpid,
2879                         (uint64_t)maxcount,
2880                         (uint64_t)startpos,
2881                         READ_LOCK)) {
2882                 reply_readbraw_error();
2883                 END_PROFILE(SMBreadbraw);
2884                 return;
2885         }
2886
2887         if (SMB_VFS_FSTAT(fsp, &st) == 0) {
2888                 size = st.st_size;
2889         }
2890
2891         if (startpos >= size) {
2892                 nread = 0;
2893         } else {
2894                 nread = MIN(maxcount,(size - startpos));
2895         }
2896
2897 #if 0 /* mincount appears to be ignored in a W2K server. JRA. */
2898         if (nread < mincount)
2899                 nread = 0;
2900 #endif
2901
2902         DEBUG( 3, ( "reply_readbraw: fnum=%d start=%.0f max=%lu "
2903                 "min=%lu nread=%lu\n",
2904                 fsp->fnum, (double)startpos,
2905                 (unsigned long)maxcount,
2906                 (unsigned long)mincount,
2907                 (unsigned long)nread ) );
2908
2909         send_file_readbraw(conn, fsp, startpos, nread, mincount);
2910
2911         DEBUG(5,("reply_readbraw finished\n"));
2912         END_PROFILE(SMBreadbraw);
2913 }
2914
2915 #undef DBGC_CLASS
2916 #define DBGC_CLASS DBGC_LOCKING
2917
2918 /****************************************************************************
2919  Reply to a lockread (core+ protocol).
2920 ****************************************************************************/
2921
2922 void reply_lockread(struct smb_request *req)
2923 {
2924         connection_struct *conn = req->conn;
2925         ssize_t nread = -1;
2926         char *data;
2927         SMB_OFF_T startpos;
2928         size_t numtoread;
2929         NTSTATUS status;
2930         files_struct *fsp;
2931         struct byte_range_lock *br_lck = NULL;
2932         char *p = NULL;
2933
2934         START_PROFILE(SMBlockread);
2935
2936         if (req->wct < 5) {
2937                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2938                 END_PROFILE(SMBlockread);
2939                 return;
2940         }
2941
2942         fsp = file_fsp(req, SVAL(req->vwv+0, 0));
2943
2944         if (!check_fsp(conn, req, fsp)) {
2945                 END_PROFILE(SMBlockread);
2946                 return;
2947         }
2948
2949         if (!CHECK_READ(fsp,req)) {
2950                 reply_doserror(req, ERRDOS, ERRbadaccess);
2951                 END_PROFILE(SMBlockread);
2952                 return;
2953         }
2954
2955         release_level_2_oplocks_on_change(fsp);
2956
2957         numtoread = SVAL(req->vwv+1, 0);
2958         startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
2959
2960         numtoread = MIN(BUFFER_SIZE - (smb_size + 3*2 + 3), numtoread);
2961
2962         reply_outbuf(req, 5, numtoread + 3);
2963
2964         data = smb_buf(req->outbuf) + 3;
2965
2966         /*
2967          * NB. Discovered by Menny Hamburger at Mainsoft. This is a core+
2968          * protocol request that predates the read/write lock concept.
2969          * Thus instead of asking for a read lock here we need to ask
2970          * for a write lock. JRA.
2971          * Note that the requested lock size is unaffected by max_recv.
2972          */
2973
2974         br_lck = do_lock(smbd_messaging_context(),
2975                         fsp,
2976                         req->smbpid,
2977                         (uint64_t)numtoread,
2978                         (uint64_t)startpos,
2979                         WRITE_LOCK,
2980                         WINDOWS_LOCK,
2981                         False, /* Non-blocking lock. */
2982                         &status,
2983                         NULL);
2984         TALLOC_FREE(br_lck);
2985
2986         if (NT_STATUS_V(status)) {
2987                 reply_nterror(req, status);
2988                 END_PROFILE(SMBlockread);
2989                 return;
2990         }
2991
2992         /*
2993          * However the requested READ size IS affected by max_recv. Insanity.... JRA.
2994          */
2995
2996         if (numtoread > max_recv) {
2997                 DEBUG(0,("reply_lockread: requested read size (%u) is greater than maximum allowed (%u). \
2998 Returning short read of maximum allowed for compatibility with Windows 2000.\n",
2999                         (unsigned int)numtoread, (unsigned int)max_recv ));
3000                 numtoread = MIN(numtoread,max_recv);
3001         }
3002         nread = read_file(fsp,data,startpos,numtoread);
3003
3004         if (nread < 0) {
3005                 reply_unixerror(req, ERRDOS, ERRnoaccess);
3006                 END_PROFILE(SMBlockread);
3007                 return;
3008         }
3009
3010         srv_set_message((char *)req->outbuf, 5, nread+3, False);
3011
3012         SSVAL(req->outbuf,smb_vwv0,nread);
3013         SSVAL(req->outbuf,smb_vwv5,nread+3);
3014         p = smb_buf(req->outbuf);
3015         SCVAL(p,0,0); /* pad byte. */
3016         SSVAL(p,1,nread);
3017
3018         DEBUG(3,("lockread fnum=%d num=%d nread=%d\n",
3019                  fsp->fnum, (int)numtoread, (int)nread));
3020
3021         END_PROFILE(SMBlockread);
3022         return;
3023 }
3024
3025 #undef DBGC_CLASS
3026 #define DBGC_CLASS DBGC_ALL
3027
3028 /****************************************************************************
3029  Reply to a read.
3030 ****************************************************************************/
3031
3032 void reply_read(struct smb_request *req)
3033 {
3034         connection_struct *conn = req->conn;
3035         size_t numtoread;
3036         ssize_t nread = 0;
3037         char *data;
3038         SMB_OFF_T startpos;
3039         int outsize = 0;
3040         files_struct *fsp;
3041
3042         START_PROFILE(SMBread);
3043
3044         if (req->wct < 3) {
3045                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3046                 END_PROFILE(SMBread);
3047                 return;
3048         }
3049
3050         fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3051
3052         if (!check_fsp(conn, req, fsp)) {
3053                 END_PROFILE(SMBread);
3054                 return;
3055         }
3056
3057         if (!CHECK_READ(fsp,req)) {
3058                 reply_doserror(req, ERRDOS, ERRbadaccess);
3059                 END_PROFILE(SMBread);
3060                 return;
3061         }
3062
3063         numtoread = SVAL(req->vwv+1, 0);
3064         startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
3065
3066         numtoread = MIN(BUFFER_SIZE-outsize,numtoread);
3067
3068         /*
3069          * The requested read size cannot be greater than max_recv. JRA.
3070          */
3071         if (numtoread > max_recv) {
3072                 DEBUG(0,("reply_read: requested read size (%u) is greater than maximum allowed (%u). \
3073 Returning short read of maximum allowed for compatibility with Windows 2000.\n",
3074                         (unsigned int)numtoread, (unsigned int)max_recv ));
3075                 numtoread = MIN(numtoread,max_recv);
3076         }
3077
3078         reply_outbuf(req, 5, numtoread+3);
3079
3080         data = smb_buf(req->outbuf) + 3;
3081
3082         if (is_locked(fsp, (uint32)req->smbpid, (uint64_t)numtoread,
3083                       (uint64_t)startpos, READ_LOCK)) {
3084                 reply_doserror(req, ERRDOS,ERRlock);
3085                 END_PROFILE(SMBread);
3086                 return;
3087         }
3088
3089         if (numtoread > 0)
3090                 nread = read_file(fsp,data,startpos,numtoread);
3091
3092         if (nread < 0) {
3093                 reply_unixerror(req, ERRDOS,ERRnoaccess);
3094                 END_PROFILE(SMBread);
3095                 return;
3096         }
3097
3098         srv_set_message((char *)req->outbuf, 5, nread+3, False);
3099
3100         SSVAL(req->outbuf,smb_vwv0,nread);
3101         SSVAL(req->outbuf,smb_vwv5,nread+3);
3102         SCVAL(smb_buf(req->outbuf),0,1);
3103         SSVAL(smb_buf(req->outbuf),1,nread);
3104
3105         DEBUG( 3, ( "read fnum=%d num=%d nread=%d\n",
3106                 fsp->fnum, (int)numtoread, (int)nread ) );
3107
3108         END_PROFILE(SMBread);
3109         return;
3110 }
3111
3112 /****************************************************************************
3113  Setup readX header.
3114 ****************************************************************************/
3115
3116 static int setup_readX_header(char *outbuf, size_t smb_maxcnt)
3117 {
3118         int outsize;
3119         char *data;
3120
3121         outsize = srv_set_message(outbuf,12,smb_maxcnt,False);
3122         data = smb_buf(outbuf);
3123
3124         memset(outbuf+smb_vwv0,'\0',24); /* valgrind init. */
3125
3126         SCVAL(outbuf,smb_vwv0,0xFF);
3127         SSVAL(outbuf,smb_vwv2,0xFFFF); /* Remaining - must be -1. */
3128         SSVAL(outbuf,smb_vwv5,smb_maxcnt);
3129         SSVAL(outbuf,smb_vwv6,smb_offset(data,outbuf));
3130         SSVAL(outbuf,smb_vwv7,(smb_maxcnt >> 16));
3131         SSVAL(smb_buf(outbuf),-2,smb_maxcnt);
3132         /* Reset the outgoing length, set_message truncates at 0x1FFFF. */
3133         _smb_setlen_large(outbuf,(smb_size + 12*2 + smb_maxcnt - 4));
3134         return outsize;
3135 }
3136
3137 /****************************************************************************
3138  Reply to a read and X - possibly using sendfile.
3139 ****************************************************************************/
3140
3141 static void send_file_readX(connection_struct *conn, struct smb_request *req,
3142                             files_struct *fsp, SMB_OFF_T startpos,
3143                             size_t smb_maxcnt)
3144 {
3145         SMB_STRUCT_STAT sbuf;
3146         ssize_t nread = -1;
3147
3148         if(SMB_VFS_FSTAT(fsp, &sbuf) == -1) {
3149                 reply_unixerror(req, ERRDOS, ERRnoaccess);
3150                 return;
3151         }
3152
3153         if (startpos > sbuf.st_size) {
3154                 smb_maxcnt = 0;
3155         } else if (smb_maxcnt > (sbuf.st_size - startpos)) {
3156                 smb_maxcnt = (sbuf.st_size - startpos);
3157         }
3158
3159         if (smb_maxcnt == 0) {
3160                 goto normal_read;
3161         }
3162
3163 #if defined(WITH_SENDFILE)
3164         /*
3165          * We can only use sendfile on a non-chained packet
3166          * but we can use on a non-oplocked file. tridge proved this
3167          * on a train in Germany :-). JRA.
3168          */
3169
3170         if ((chain_size == 0) && (CVAL(req->vwv+0, 0) == 0xFF) &&
3171             !is_encrypted_packet(req->inbuf) && (fsp->base_fsp == NULL) &&
3172             lp_use_sendfile(SNUM(conn)) && (fsp->wcp == NULL) ) {
3173                 uint8 headerbuf[smb_size + 12 * 2];
3174                 DATA_BLOB header;
3175
3176                 /*
3177                  * Set up the packet header before send. We
3178                  * assume here the sendfile will work (get the
3179                  * correct amount of data).
3180                  */
3181
3182                 header = data_blob_const(headerbuf, sizeof(headerbuf));
3183
3184                 construct_reply_common_req(req, (char *)headerbuf);
3185                 setup_readX_header((char *)headerbuf, smb_maxcnt);
3186
3187                 if ((nread = SMB_VFS_SENDFILE(smbd_server_fd(), fsp, &header, startpos, smb_maxcnt)) == -1) {
3188                         /* Returning ENOSYS or EINVAL means no data at all was sent.
3189                            Do this as a normal read. */
3190                         if (errno == ENOSYS || errno == EINVAL) {
3191                                 goto normal_read;
3192                         }
3193
3194                         /*
3195                          * Special hack for broken Linux with no working sendfile. If we
3196                          * return EINTR we sent the header but not the rest of the data.
3197                          * Fake this up by doing read/write calls.
3198                          */
3199
3200                         if (errno == EINTR) {
3201                                 /* Ensure we don't do this again. */
3202                                 set_use_sendfile(SNUM(conn), False);
3203                                 DEBUG(0,("send_file_readX: sendfile not available. Faking..\n"));
3204                                 nread = fake_sendfile(fsp, startpos,
3205                                                       smb_maxcnt);
3206                                 if (nread == -1) {
3207                                         DEBUG(0,("send_file_readX: fake_sendfile failed for file %s (%s).\n",
3208                                                 fsp->fsp_name, strerror(errno) ));
3209                                         exit_server_cleanly("send_file_readX: fake_sendfile failed");
3210                                 }
3211                                 DEBUG( 3, ( "send_file_readX: fake_sendfile fnum=%d max=%d nread=%d\n",
3212                                         fsp->fnum, (int)smb_maxcnt, (int)nread ) );
3213                                 /* No outbuf here means successful sendfile. */
3214                                 TALLOC_FREE(req->outbuf);
3215                                 return;
3216                         }
3217
3218                         DEBUG(0,("send_file_readX: sendfile failed for file %s (%s). Terminating\n",
3219                                 fsp->fsp_name, strerror(errno) ));
3220                         exit_server_cleanly("send_file_readX sendfile failed");
3221                 }
3222
3223                 DEBUG( 3, ( "send_file_readX: sendfile fnum=%d max=%d nread=%d\n",
3224                         fsp->fnum, (int)smb_maxcnt, (int)nread ) );
3225                 /* No outbuf here means successful sendfile. */
3226                 TALLOC_FREE(req->outbuf);
3227                 return;
3228         }
3229 #endif
3230
3231 normal_read:
3232
3233         if ((smb_maxcnt & 0xFF0000) > 0x10000) {
3234                 uint8 headerbuf[smb_size + 2*12];
3235
3236                 construct_reply_common_req(req, (char *)headerbuf);
3237                 setup_readX_header((char *)headerbuf, smb_maxcnt);
3238
3239                 /* Send out the header. */
3240                 if (write_data(smbd_server_fd(), (char *)headerbuf,
3241                                sizeof(headerbuf)) != sizeof(headerbuf)) {
3242                         DEBUG(0,("send_file_readX: write_data failed for file %s (%s). Terminating\n",
3243                                 fsp->fsp_name, strerror(errno) ));
3244                         exit_server_cleanly("send_file_readX sendfile failed");
3245                 }
3246                 nread = fake_sendfile(fsp, startpos, smb_maxcnt);
3247                 if (nread == -1) {
3248                         DEBUG(0,("send_file_readX: fake_sendfile failed for file %s (%s).\n",
3249                                 fsp->fsp_name, strerror(errno) ));
3250                         exit_server_cleanly("send_file_readX: fake_sendfile failed");
3251                 }
3252                 TALLOC_FREE(req->outbuf);
3253                 return;
3254         }
3255
3256         reply_outbuf(req, 12, smb_maxcnt);
3257
3258         nread = read_file(fsp, smb_buf(req->outbuf), startpos, smb_maxcnt);
3259         if (nread < 0) {
3260                 reply_unixerror(req, ERRDOS, ERRnoaccess);
3261                 return;
3262         }
3263
3264         setup_readX_header((char *)req->outbuf, nread);
3265
3266         DEBUG( 3, ( "send_file_readX fnum=%d max=%d nread=%d\n",
3267                     fsp->fnum, (int)smb_maxcnt, (int)nread ) );
3268
3269         chain_reply(req);
3270 }
3271
3272 /****************************************************************************
3273  Reply to a read and X.
3274 ****************************************************************************/
3275
3276 void reply_read_and_X(struct smb_request *req)
3277 {
3278         connection_struct *conn = req->conn;
3279         files_struct *fsp;
3280         SMB_OFF_T startpos;
3281         size_t smb_maxcnt;
3282         bool big_readX = False;
3283 #if 0
3284         size_t smb_mincnt = SVAL(req->vwv+6, 0);
3285 #endif
3286
3287         START_PROFILE(SMBreadX);
3288
3289         if ((req->wct != 10) && (req->wct != 12)) {
3290                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3291                 return;
3292         }
3293
3294         fsp = file_fsp(req, SVAL(req->vwv+2, 0));
3295         startpos = IVAL_TO_SMB_OFF_T(req->vwv+3, 0);
3296         smb_maxcnt = SVAL(req->vwv+5, 0);
3297
3298         /* If it's an IPC, pass off the pipe handler. */
3299         if (IS_IPC(conn)) {
3300                 reply_pipe_read_and_X(req);
3301                 END_PROFILE(SMBreadX);
3302                 return;
3303         }
3304
3305         if (!check_fsp(conn, req, fsp)) {
3306                 END_PROFILE(SMBreadX);
3307                 return;
3308         }
3309
3310         if (!CHECK_READ(fsp,req)) {
3311                 reply_doserror(req, ERRDOS,ERRbadaccess);
3312                 END_PROFILE(SMBreadX);
3313                 return;
3314         }
3315
3316         if (global_client_caps & CAP_LARGE_READX) {
3317                 size_t upper_size = SVAL(req->vwv+7, 0);
3318                 smb_maxcnt |= (upper_size<<16);
3319                 if (upper_size > 1) {
3320                         /* Can't do this on a chained packet. */
3321                         if ((CVAL(req->vwv+0, 0) != 0xFF)) {
3322                                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
3323                                 END_PROFILE(SMBreadX);
3324                                 return;
3325                         }
3326                         /* We currently don't do this on signed or sealed data. */
3327                         if (srv_is_signing_active() || is_encrypted_packet(req->inbuf)) {
3328                                 reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
3329                                 END_PROFILE(SMBreadX);
3330                                 return;
3331                         }
3332                         /* Is there room in the reply for this data ? */
3333                         if (smb_maxcnt > (0xFFFFFF - (smb_size -4 + 12*2)))  {
3334                                 reply_nterror(req,
3335                                               NT_STATUS_INVALID_PARAMETER);
3336                                 END_PROFILE(SMBreadX);
3337                                 return;
3338                         }
3339                         big_readX = True;
3340                 }
3341         }
3342
3343         if (req->wct == 12) {
3344 #ifdef LARGE_SMB_OFF_T
3345                 /*
3346                  * This is a large offset (64 bit) read.
3347                  */
3348                 startpos |= (((SMB_OFF_T)IVAL(req->vwv+10, 0)) << 32);
3349
3350 #else /* !LARGE_SMB_OFF_T */
3351
3352                 /*
3353                  * Ensure we haven't been sent a >32 bit offset.
3354                  */
3355
3356                 if(IVAL(req->vwv+10, 0) != 0) {
3357                         DEBUG(0,("reply_read_and_X - large offset (%x << 32) "
3358                                  "used and we don't support 64 bit offsets.\n",
3359                                  (unsigned int)IVAL(req->vwv+10, 0) ));
3360                         END_PROFILE(SMBreadX);
3361                         reply_doserror(req, ERRDOS, ERRbadaccess);
3362                         return;
3363                 }
3364
3365 #endif /* LARGE_SMB_OFF_T */
3366
3367         }
3368
3369         if (is_locked(fsp, (uint32)req->smbpid, (uint64_t)smb_maxcnt,
3370                       (uint64_t)startpos, READ_LOCK)) {
3371                 END_PROFILE(SMBreadX);
3372                 reply_doserror(req, ERRDOS, ERRlock);
3373                 return;
3374         }
3375
3376         if (!big_readX &&
3377             schedule_aio_read_and_X(conn, req, fsp, startpos, smb_maxcnt)) {
3378                 END_PROFILE(SMBreadX);
3379                 return;
3380         }
3381
3382         send_file_readX(conn, req, fsp, startpos, smb_maxcnt);
3383
3384         END_PROFILE(SMBreadX);
3385         return;
3386 }
3387
3388 /****************************************************************************
3389  Error replies to writebraw must have smb_wct == 1. Fix this up.
3390 ****************************************************************************/
3391
3392 void error_to_writebrawerr(struct smb_request *req)
3393 {
3394         uint8 *old_outbuf = req->outbuf;
3395
3396         reply_outbuf(req, 1, 0);
3397
3398         memcpy(req->outbuf, old_outbuf, smb_size);
3399         TALLOC_FREE(old_outbuf);
3400 }
3401
3402 /****************************************************************************
3403  Reply to a writebraw (core+ or LANMAN1.0 protocol).
3404 ****************************************************************************/
3405
3406 void reply_writebraw(struct smb_request *req)
3407 {
3408         connection_struct *conn = req->conn;
3409         char *buf = NULL;
3410         ssize_t nwritten=0;
3411         ssize_t total_written=0;
3412         size_t numtowrite=0;
3413         size_t tcount;
3414         SMB_OFF_T startpos;
3415         char *data=NULL;
3416         bool write_through;
3417         files_struct *fsp;
3418         NTSTATUS status;
3419
3420         START_PROFILE(SMBwritebraw);
3421
3422         /*
3423          * If we ever reply with an error, it must have the SMB command
3424          * type of SMBwritec, not SMBwriteBraw, as this tells the client
3425          * we're finished.
3426          */
3427         SCVAL(req->inbuf,smb_com,SMBwritec);
3428
3429         if (srv_is_signing_active()) {
3430                 END_PROFILE(SMBwritebraw);
3431                 exit_server_cleanly("reply_writebraw: SMB signing is active - "
3432                                 "raw reads/writes are disallowed.");
3433         }
3434
3435         if (req->wct < 12) {
3436                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3437                 error_to_writebrawerr(req);
3438                 END_PROFILE(SMBwritebraw);
3439                 return;
3440         }
3441
3442         fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3443         if (!check_fsp(conn, req, fsp)) {
3444                 error_to_writebrawerr(req);
3445                 END_PROFILE(SMBwritebraw);
3446                 return;
3447         }
3448
3449         if (!CHECK_WRITE(fsp)) {
3450                 reply_doserror(req, ERRDOS, ERRbadaccess);
3451                 error_to_writebrawerr(req);
3452                 END_PROFILE(SMBwritebraw);
3453                 return;
3454         }
3455
3456         tcount = IVAL(req->vwv+1, 0);
3457         startpos = IVAL_TO_SMB_OFF_T(req->vwv+3, 0);
3458         write_through = BITSETW(req->vwv+7,0);
3459
3460         /* We have to deal with slightly different formats depending
3461                 on whether we are using the core+ or lanman1.0 protocol */
3462
3463         if(Protocol <= PROTOCOL_COREPLUS) {
3464                 numtowrite = SVAL(smb_buf(req->inbuf),-2);
3465                 data = smb_buf(req->inbuf);
3466         } else {
3467                 numtowrite = SVAL(req->vwv+10, 0);
3468                 data = smb_base(req->inbuf) + SVAL(req->vwv+11, 0);
3469         }
3470
3471         /* Ensure we don't write bytes past the end of this packet. */
3472         if (data + numtowrite > smb_base(req->inbuf) + smb_len(req->inbuf)) {
3473                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3474                 error_to_writebrawerr(req);
3475                 END_PROFILE(SMBwritebraw);
3476                 return;
3477         }
3478
3479         if (is_locked(fsp,(uint32)req->smbpid,(uint64_t)tcount,
3480                                 (uint64_t)startpos, WRITE_LOCK)) {
3481                 reply_doserror(req, ERRDOS, ERRlock);
3482                 error_to_writebrawerr(req);
3483                 END_PROFILE(SMBwritebraw);
3484                 return;
3485         }
3486
3487         if (numtowrite>0) {
3488                 nwritten = write_file(req,fsp,data,startpos,numtowrite);
3489         }
3490
3491         DEBUG(3,("reply_writebraw: initial write fnum=%d start=%.0f num=%d "
3492                         "wrote=%d sync=%d\n",
3493                 fsp->fnum, (double)startpos, (int)numtowrite,
3494                 (int)nwritten, (int)write_through));
3495
3496         if (nwritten < (ssize_t)numtowrite)  {
3497                 reply_unixerror(req, ERRHRD, ERRdiskfull);
3498                 error_to_writebrawerr(req);
3499                 END_PROFILE(SMBwritebraw);
3500                 return;
3501         }
3502
3503         total_written = nwritten;
3504
3505         /* Allocate a buffer of 64k + length. */
3506         buf = TALLOC_ARRAY(NULL, char, 65540);
3507         if (!buf) {
3508                 reply_doserror(req, ERRDOS, ERRnomem);
3509                 error_to_writebrawerr(req);
3510                 END_PROFILE(SMBwritebraw);
3511                 return;
3512         }
3513
3514         /* Return a SMBwritebraw message to the redirector to tell
3515          * it to send more bytes */
3516
3517         memcpy(buf, req->inbuf, smb_size);
3518         srv_set_message(buf,Protocol>PROTOCOL_COREPLUS?1:0,0,True);
3519         SCVAL(buf,smb_com,SMBwritebraw);
3520         SSVALS(buf,smb_vwv0,0xFFFF);
3521         show_msg(buf);
3522         if (!srv_send_smb(smbd_server_fd(),
3523                         buf,
3524                         IS_CONN_ENCRYPTED(conn))) {
3525                 exit_server_cleanly("reply_writebraw: srv_send_smb "
3526                         "failed.");
3527         }
3528
3529         /* Now read the raw data into the buffer and write it */
3530         status = read_smb_length(smbd_server_fd(), buf, SMB_SECONDARY_WAIT,
3531                                  &numtowrite);
3532         if (!NT_STATUS_IS_OK(status)) {
3533                 exit_server_cleanly("secondary writebraw failed");
3534         }
3535
3536         /* Set up outbuf to return the correct size */
3537         reply_outbuf(req, 1, 0);
3538
3539         if (numtowrite != 0) {
3540
3541                 if (numtowrite > 0xFFFF) {
3542                         DEBUG(0,("reply_writebraw: Oversize secondary write "
3543                                 "raw requested (%u). Terminating\n",
3544                                 (unsigned int)numtowrite ));
3545                         exit_server_cleanly("secondary writebraw failed");
3546                 }
3547
3548                 if (tcount > nwritten+numtowrite) {
3549                         DEBUG(3,("reply_writebraw: Client overestimated the "
3550                                 "write %d %d %d\n",
3551                                 (int)tcount,(int)nwritten,(int)numtowrite));
3552                 }
3553
3554                 status = read_data(smbd_server_fd(), buf+4, numtowrite);
3555
3556                 if (!NT_STATUS_IS_OK(status)) {
3557                         DEBUG(0,("reply_writebraw: Oversize secondary write "
3558                                  "raw read failed (%s). Terminating\n",
3559                                  nt_errstr(status)));
3560                         exit_server_cleanly("secondary writebraw failed");
3561                 }
3562
3563                 nwritten = write_file(req,fsp,buf+4,startpos+nwritten,numtowrite);
3564                 if (nwritten == -1) {
3565                         TALLOC_FREE(buf);
3566                         reply_unixerror(req, ERRHRD, ERRdiskfull);
3567                         error_to_writebrawerr(req);
3568                         END_PROFILE(SMBwritebraw);
3569                         return;
3570                 }
3571
3572                 if (nwritten < (ssize_t)numtowrite) {
3573                         SCVAL(req->outbuf,smb_rcls,ERRHRD);
3574                         SSVAL(req->outbuf,smb_err,ERRdiskfull);
3575                 }
3576
3577                 if (nwritten > 0) {
3578                         total_written += nwritten;
3579                 }
3580         }
3581
3582         TALLOC_FREE(buf);
3583         SSVAL(req->outbuf,smb_vwv0,total_written);
3584
3585         status = sync_file(conn, fsp, write_through);
3586         if (!NT_STATUS_IS_OK(status)) {
3587                 DEBUG(5,("reply_writebraw: sync_file for %s returned %s\n",
3588                         fsp->fsp_name, nt_errstr(status) ));
3589                 reply_nterror(req, status);
3590                 error_to_writebrawerr(req);
3591                 END_PROFILE(SMBwritebraw);
3592                 return;
3593         }
3594
3595         DEBUG(3,("reply_writebraw: secondart write fnum=%d start=%.0f num=%d "
3596                 "wrote=%d\n",
3597                 fsp->fnum, (double)startpos, (int)numtowrite,
3598                 (int)total_written));
3599
3600         /* We won't return a status if write through is not selected - this
3601          * follows what WfWg does */
3602         END_PROFILE(SMBwritebraw);
3603
3604         if (!write_through && total_written==tcount) {
3605
3606 #if RABBIT_PELLET_FIX
3607                 /*
3608                  * Fix for "rabbit pellet" mode, trigger an early TCP ack by
3609                  * sending a SMBkeepalive. Thanks to DaveCB at Sun for this.
3610                  * JRA.
3611                  */
3612                 if (!send_keepalive(smbd_server_fd())) {
3613                         exit_server_cleanly("reply_writebraw: send of "
3614                                 "keepalive failed");
3615                 }
3616 #endif
3617                 TALLOC_FREE(req->outbuf);
3618         }
3619         return;
3620 }
3621
3622 #undef DBGC_CLASS
3623 #define DBGC_CLASS DBGC_LOCKING
3624
3625 /****************************************************************************
3626  Reply to a writeunlock (core+).
3627 ****************************************************************************/
3628
3629 void reply_writeunlock(struct smb_request *req)
3630 {
3631         connection_struct *conn = req->conn;
3632         ssize_t nwritten = -1;
3633         size_t numtowrite;
3634         SMB_OFF_T startpos;
3635         const char *data;
3636         NTSTATUS status = NT_STATUS_OK;
3637         files_struct *fsp;
3638
3639         START_PROFILE(SMBwriteunlock);
3640
3641         if (req->wct < 5) {
3642                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3643                 END_PROFILE(SMBwriteunlock);
3644                 return;
3645         }
3646
3647         fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3648
3649         if (!check_fsp(conn, req, fsp)) {
3650                 END_PROFILE(SMBwriteunlock);
3651                 return;
3652         }
3653
3654         if (!CHECK_WRITE(fsp)) {
3655                 reply_doserror(req, ERRDOS,ERRbadaccess);
3656                 END_PROFILE(SMBwriteunlock);
3657                 return;
3658         }
3659
3660         numtowrite = SVAL(req->vwv+1, 0);
3661         startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
3662         data = (const char *)req->buf + 3;
3663
3664         if (numtowrite
3665             && is_locked(fsp, (uint32)req->smbpid, (uint64_t)numtowrite,
3666                          (uint64_t)startpos, WRITE_LOCK)) {
3667                 reply_doserror(req, ERRDOS, ERRlock);
3668                 END_PROFILE(SMBwriteunlock);
3669                 return;
3670         }
3671
3672         /* The special X/Open SMB protocol handling of
3673            zero length writes is *NOT* done for
3674            this call */
3675         if(numtowrite == 0) {
3676                 nwritten = 0;
3677         } else {
3678                 nwritten = write_file(req,fsp,data,startpos,numtowrite);
3679         }
3680
3681         status = sync_file(conn, fsp, False /* write through */);
3682         if (!NT_STATUS_IS_OK(status)) {
3683                 DEBUG(5,("reply_writeunlock: sync_file for %s returned %s\n",
3684                         fsp->fsp_name, nt_errstr(status) ));
3685                 reply_nterror(req, status);
3686                 END_PROFILE(SMBwriteunlock);
3687                 return;
3688         }
3689
3690         if(((nwritten < numtowrite) && (numtowrite != 0))||(nwritten < 0)) {
3691                 reply_unixerror(req, ERRHRD, ERRdiskfull);
3692                 END_PROFILE(SMBwriteunlock);
3693                 return;
3694         }
3695
3696         if (numtowrite) {
3697                 status = do_unlock(smbd_messaging_context(),
3698                                 fsp,
3699                                 req->smbpid,
3700                                 (uint64_t)numtowrite,
3701                                 (uint64_t)startpos,
3702                                 WINDOWS_LOCK);
3703
3704                 if (NT_STATUS_V(status)) {
3705                         reply_nterror(req, status);
3706                         END_PROFILE(SMBwriteunlock);
3707                         return;
3708                 }
3709         }
3710
3711         reply_outbuf(req, 1, 0);
3712
3713         SSVAL(req->outbuf,smb_vwv0,nwritten);
3714
3715         DEBUG(3,("writeunlock fnum=%d num=%d wrote=%d\n",
3716                  fsp->fnum, (int)numtowrite, (int)nwritten));
3717
3718         END_PROFILE(SMBwriteunlock);
3719         return;
3720 }
3721
3722 #undef DBGC_CLASS
3723 #define DBGC_CLASS DBGC_ALL
3724
3725 /****************************************************************************
3726  Reply to a write.
3727 ****************************************************************************/
3728
3729 void reply_write(struct smb_request *req)
3730 {
3731         connection_struct *conn = req->conn;
3732         size_t numtowrite;
3733         ssize_t nwritten = -1;
3734         SMB_OFF_T startpos;
3735         const char *data;
3736         files_struct *fsp;
3737         NTSTATUS status;
3738
3739         START_PROFILE(SMBwrite);
3740
3741         if (req->wct < 5) {
3742                 END_PROFILE(SMBwrite);
3743                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3744                 return;
3745         }
3746
3747         /* If it's an IPC, pass off the pipe handler. */
3748         if (IS_IPC(conn)) {
3749                 reply_pipe_write(req);
3750                 END_PROFILE(SMBwrite);
3751                 return;
3752         }
3753
3754         fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3755
3756         if (!check_fsp(conn, req, fsp)) {
3757                 END_PROFILE(SMBwrite);
3758                 return;
3759         }
3760
3761         if (!CHECK_WRITE(fsp)) {
3762                 reply_doserror(req, ERRDOS, ERRbadaccess);
3763                 END_PROFILE(SMBwrite);
3764                 return;
3765         }
3766
3767         numtowrite = SVAL(req->vwv+1, 0);
3768         startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
3769         data = (const char *)req->buf + 3;
3770
3771         if (is_locked(fsp, (uint32)req->smbpid, (uint64_t)numtowrite,
3772                       (uint64_t)startpos, WRITE_LOCK)) {
3773                 reply_doserror(req, ERRDOS, ERRlock);
3774                 END_PROFILE(SMBwrite);
3775                 return;
3776         }
3777
3778         /*
3779          * X/Open SMB protocol says that if smb_vwv1 is
3780          * zero then the file size should be extended or
3781          * truncated to the size given in smb_vwv[2-3].
3782          */
3783
3784         if(numtowrite == 0) {
3785                 /*
3786                  * This is actually an allocate call, and set EOF. JRA.
3787                  */
3788                 nwritten = vfs_allocate_file_space(fsp, (SMB_OFF_T)startpos);
3789                 if (nwritten < 0) {
3790                         reply_nterror(req, NT_STATUS_DISK_FULL);
3791                         END_PROFILE(SMBwrite);
3792                         return;
3793                 }
3794                 nwritten = vfs_set_filelen(fsp, (SMB_OFF_T)startpos);
3795                 if (nwritten < 0) {
3796                         reply_nterror(req, NT_STATUS_DISK_FULL);
3797                         END_PROFILE(SMBwrite);
3798                         return;
3799                 }
3800                 trigger_write_time_update_immediate(fsp);
3801         } else {
3802                 nwritten = write_file(req,fsp,data,startpos,numtowrite);
3803         }
3804
3805         status = sync_file(conn, fsp, False);
3806         if (!NT_STATUS_IS_OK(status)) {
3807                 DEBUG(5,("reply_write: sync_file for %s returned %s\n",
3808                         fsp->fsp_name, nt_errstr(status) ));
3809                 reply_nterror(req, status);
3810                 END_PROFILE(SMBwrite);
3811                 return;
3812         }
3813
3814         if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
3815                 reply_unixerror(req, ERRHRD, ERRdiskfull);
3816                 END_PROFILE(SMBwrite);
3817                 return;
3818         }
3819
3820         reply_outbuf(req, 1, 0);
3821
3822         SSVAL(req->outbuf,smb_vwv0,nwritten);
3823
3824         if (nwritten < (ssize_t)numtowrite) {
3825                 SCVAL(req->outbuf,smb_rcls,ERRHRD);
3826                 SSVAL(req->outbuf,smb_err,ERRdiskfull);
3827         }
3828
3829         DEBUG(3,("write fnum=%d num=%d wrote=%d\n", fsp->fnum, (int)numtowrite, (int)nwritten));
3830
3831         END_PROFILE(SMBwrite);
3832         return;
3833 }
3834
3835 /****************************************************************************
3836  Ensure a buffer is a valid writeX for recvfile purposes.
3837 ****************************************************************************/
3838
3839 #define STANDARD_WRITE_AND_X_HEADER_SIZE (smb_size - 4 + /* basic header */ \
3840                                                 (2*14) + /* word count (including bcc) */ \
3841                                                 1 /* pad byte */)
3842
3843 bool is_valid_writeX_buffer(const uint8_t *inbuf)
3844 {
3845         size_t numtowrite;
3846         connection_struct *conn = NULL;
3847         unsigned int doff = 0;
3848         size_t len = smb_len_large(inbuf);
3849
3850         if (is_encrypted_packet(inbuf)) {
3851                 /* Can't do this on encrypted
3852                  * connections. */
3853                 return false;
3854         }
3855
3856         if (CVAL(inbuf,smb_com) != SMBwriteX) {
3857                 return false;
3858         }
3859
3860         if (CVAL(inbuf,smb_vwv0) != 0xFF ||
3861                         CVAL(inbuf,smb_wct) != 14) {
3862                 DEBUG(10,("is_valid_writeX_buffer: chained or "
3863                         "invalid word length.\n"));
3864                 return false;
3865         }
3866
3867         conn = conn_find(SVAL(inbuf, smb_tid));
3868         if (conn == NULL) {
3869                 DEBUG(10,("is_valid_writeX_buffer: bad tid\n"));
3870                 return false;
3871         }
3872         if (IS_IPC(conn)) {
3873                 DEBUG(10,("is_valid_writeX_buffer: IPC$ tid\n"));
3874                 return false;
3875         }
3876         doff = SVAL(inbuf,smb_vwv11);
3877
3878         numtowrite = SVAL(inbuf,smb_vwv10);
3879
3880         if (len > doff && len - doff > 0xFFFF) {
3881                 numtowrite |= (((size_t)SVAL(inbuf,smb_vwv9))<<16);
3882         }
3883
3884         if (numtowrite == 0) {
3885                 DEBUG(10,("is_valid_writeX_buffer: zero write\n"));
3886                 return false;
3887         }
3888
3889         /* Ensure the sizes match up. */
3890         if (doff < STANDARD_WRITE_AND_X_HEADER_SIZE) {
3891                 /* no pad byte...old smbclient :-( */
3892                 DEBUG(10,("is_valid_writeX_buffer: small doff %u (min %u)\n",
3893                         (unsigned int)doff,
3894                         (unsigned int)STANDARD_WRITE_AND_X_HEADER_SIZE));
3895                 return false;
3896         }
3897
3898         if (len - doff != numtowrite) {
3899                 DEBUG(10,("is_valid_writeX_buffer: doff mismatch "
3900                         "len = %u, doff = %u, numtowrite = %u\n",
3901                         (unsigned int)len,
3902                         (unsigned int)doff,
3903                         (unsigned int)numtowrite ));
3904                 return false;
3905         }
3906
3907         DEBUG(10,("is_valid_writeX_buffer: true "
3908                 "len = %u, doff = %u, numtowrite = %u\n",
3909                 (unsigned int)len,
3910                 (unsigned int)doff,
3911                 (unsigned int)numtowrite ));
3912
3913         return true;
3914 }
3915
3916 /****************************************************************************
3917  Reply to a write and X.
3918 ****************************************************************************/
3919
3920 void reply_write_and_X(struct smb_request *req)
3921 {
3922         connection_struct *conn = req->conn;
3923         files_struct *fsp;
3924         SMB_OFF_T startpos;
3925         size_t numtowrite;
3926         bool write_through;
3927         ssize_t nwritten;
3928         unsigned int smb_doff;
3929         unsigned int smblen;
3930         char *data;
3931         NTSTATUS status;
3932
3933         START_PROFILE(SMBwriteX);
3934
3935         if ((req->wct != 12) && (req->wct != 14)) {
3936                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3937                 END_PROFILE(SMBwriteX);
3938                 return;
3939         }
3940
3941         numtowrite = SVAL(req->vwv+10, 0);
3942         smb_doff = SVAL(req->vwv+11, 0);
3943         smblen = smb_len(req->inbuf);
3944
3945         if (req->unread_bytes > 0xFFFF ||
3946                         (smblen > smb_doff &&
3947                                 smblen - smb_doff > 0xFFFF)) {
3948                 numtowrite |= (((size_t)SVAL(req->vwv+9, 0))<<16);
3949         }
3950
3951         if (req->unread_bytes) {
3952                 /* Can't do a recvfile write on IPC$ */
3953                 if (IS_IPC(conn)) {
3954                         reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3955                         END_PROFILE(SMBwriteX);
3956                         return;
3957                 }
3958                 if (numtowrite != req->unread_bytes) {
3959                         reply_doserror(req, ERRDOS, ERRbadmem);
3960                         END_PROFILE(SMBwriteX);
3961                         return;
3962                 }
3963         } else {
3964                 if (smb_doff > smblen || smb_doff + numtowrite < numtowrite ||
3965                                 smb_doff + numtowrite > smblen) {
3966                         reply_doserror(req, ERRDOS, ERRbadmem);
3967                         END_PROFILE(SMBwriteX);
3968                         return;
3969                 }
3970         }
3971
3972         /* If it's an IPC, pass off the pipe handler. */
3973         if (IS_IPC(conn)) {
3974                 if (req->unread_bytes) {
3975                         reply_doserror(req, ERRDOS, ERRbadmem);
3976                         END_PROFILE(SMBwriteX);
3977                         return;
3978                 }
3979                 reply_pipe_write_and_X(req);
3980                 END_PROFILE(SMBwriteX);
3981                 return;
3982         }
3983
3984         fsp = file_fsp(req, SVAL(req->vwv+2, 0));
3985         startpos = IVAL_TO_SMB_OFF_T(req->vwv+3, 0);
3986         write_through = BITSETW(req->vwv+7,0);
3987
3988         if (!check_fsp(conn, req, fsp)) {
3989                 END_PROFILE(SMBwriteX);
3990                 return;
3991         }
3992
3993         if (!CHECK_WRITE(fsp)) {
3994                 reply_doserror(req, ERRDOS, ERRbadaccess);
3995                 END_PROFILE(SMBwriteX);
3996                 return;
3997         }
3998
3999         data = smb_base(req->inbuf) + smb_doff;
4000
4001         if(req->wct == 14) {
4002 #ifdef LARGE_SMB_OFF_T
4003                 /*
4004                  * This is a large offset (64 bit) write.
4005                  */
4006                 startpos |= (((SMB_OFF_T)IVAL(req->vwv+12, 0)) << 32);
4007
4008 #else /* !LARGE_SMB_OFF_T */
4009
4010                 /*
4011                  * Ensure we haven't been sent a >32 bit offset.
4012                  */
4013
4014                 if(IVAL(req->vwv+12, 0) != 0) {
4015                         DEBUG(0,("reply_write_and_X - large offset (%x << 32) "
4016                                  "used and we don't support 64 bit offsets.\n",
4017                                  (unsigned int)IVAL(req->vwv+12, 0) ));
4018                         reply_doserror(req, ERRDOS, ERRbadaccess);
4019                         END_PROFILE(SMBwriteX);
4020                         return;
4021                 }
4022
4023 #endif /* LARGE_SMB_OFF_T */
4024         }
4025
4026         if (is_locked(fsp,(uint32)req->smbpid,
4027                       (uint64_t)numtowrite,
4028                       (uint64_t)startpos, WRITE_LOCK)) {
4029                 reply_doserror(req, ERRDOS, ERRlock);
4030                 END_PROFILE(SMBwriteX);
4031                 return;
4032         }
4033
4034         /* X/Open SMB protocol says that, unlike SMBwrite
4035         if the length is zero then NO truncation is
4036         done, just a write of zero. To truncate a file,
4037         use SMBwrite. */
4038
4039         if(numtowrite == 0) {
4040                 nwritten = 0;
4041         } else {
4042
4043                 if ((req->unread_bytes == 0) &&
4044                     schedule_aio_write_and_X(conn, req, fsp, data, startpos,
4045                                              numtowrite)) {
4046                         END_PROFILE(SMBwriteX);
4047                         return;
4048                 }
4049
4050                 nwritten = write_file(req,fsp,data,startpos,numtowrite);
4051         }
4052
4053         if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
4054                 reply_unixerror(req, ERRHRD, ERRdiskfull);
4055                 END_PROFILE(SMBwriteX);
4056                 return;
4057         }
4058
4059         reply_outbuf(req, 6, 0);
4060         SSVAL(req->outbuf,smb_vwv2,nwritten);
4061         SSVAL(req->outbuf,smb_vwv4,nwritten>>16);
4062
4063         if (nwritten < (ssize_t)numtowrite) {
4064                 SCVAL(req->outbuf,smb_rcls,ERRHRD);
4065                 SSVAL(req->outbuf,smb_err,ERRdiskfull);
4066         }
4067
4068         DEBUG(3,("writeX fnum=%d num=%d wrote=%d\n",
4069                 fsp->fnum, (int)numtowrite, (int)nwritten));
4070
4071         status = sync_file(conn, fsp, write_through);
4072         if (!NT_STATUS_IS_OK(status)) {
4073                 DEBUG(5,("reply_write_and_X: sync_file for %s returned %s\n",
4074                         fsp->fsp_name, nt_errstr(status) ));
4075                 reply_nterror(req, status);
4076                 END_PROFILE(SMBwriteX);
4077                 return;
4078         }
4079
4080         END_PROFILE(SMBwriteX);
4081         chain_reply(req);
4082         return;
4083 }
4084
4085 /****************************************************************************
4086  Reply to a lseek.
4087 ****************************************************************************/
4088
4089 void reply_lseek(struct smb_request *req)
4090 {
4091         connection_struct *conn = req->conn;
4092         SMB_OFF_T startpos;
4093         SMB_OFF_T res= -1;
4094         int mode,umode;
4095         files_struct *fsp;
4096
4097         START_PROFILE(SMBlseek);
4098
4099         if (req->wct < 4) {
4100                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4101                 END_PROFILE(SMBlseek);
4102                 return;
4103         }
4104
4105         fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4106
4107         if (!check_fsp(conn, req, fsp)) {
4108                 return;
4109         }
4110
4111         flush_write_cache(fsp, SEEK_FLUSH);
4112
4113         mode = SVAL(req->vwv+1, 0) & 3;
4114         /* NB. This doesn't use IVAL_TO_SMB_OFF_T as startpos can be signed in this case. */
4115         startpos = (SMB_OFF_T)IVALS(req->vwv+2, 0);
4116
4117         switch (mode) {
4118                 case 0:
4119                         umode = SEEK_SET;
4120                         res = startpos;
4121                         break;
4122                 case 1:
4123                         umode = SEEK_CUR;
4124                         res = fsp->fh->pos + startpos;
4125                         break;
4126                 case 2:
4127                         umode = SEEK_END;
4128                         break;
4129                 default:
4130                         umode = SEEK_SET;
4131                         res = startpos;
4132                         break;
4133         }
4134
4135         if (umode == SEEK_END) {
4136                 if((res = SMB_VFS_LSEEK(fsp,startpos,umode)) == -1) {
4137                         if(errno == EINVAL) {
4138                                 SMB_OFF_T current_pos = startpos;
4139                                 SMB_STRUCT_STAT sbuf;
4140
4141                                 if(SMB_VFS_FSTAT(fsp, &sbuf) == -1) {
4142                                         reply_unixerror(req, ERRDOS,
4143                                                         ERRnoaccess);
4144                                         END_PROFILE(SMBlseek);
4145                                         return;
4146                                 }
4147
4148                                 current_pos += sbuf.st_size;
4149                                 if(current_pos < 0)
4150                                         res = SMB_VFS_LSEEK(fsp,0,SEEK_SET);
4151                         }
4152                 }
4153
4154                 if(res == -1) {
4155                         reply_unixerror(req, ERRDOS, ERRnoaccess);
4156                         END_PROFILE(SMBlseek);
4157                         return;
4158                 }
4159         }
4160
4161         fsp->fh->pos = res;
4162
4163         reply_outbuf(req, 2, 0);
4164         SIVAL(req->outbuf,smb_vwv0,res);
4165
4166         DEBUG(3,("lseek fnum=%d ofs=%.0f newpos = %.0f mode=%d\n",
4167                 fsp->fnum, (double)startpos, (double)res, mode));
4168
4169         END_PROFILE(SMBlseek);
4170         return;
4171 }
4172
4173 /****************************************************************************
4174  Reply to a flush.
4175 ****************************************************************************/
4176
4177 void reply_flush(struct smb_request *req)
4178 {
4179         connection_struct *conn = req->conn;
4180         uint16 fnum;
4181         files_struct *fsp;
4182
4183         START_PROFILE(SMBflush);
4184
4185         if (req->wct < 1) {
4186                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4187                 return;
4188         }
4189
4190         fnum = SVAL(req->vwv+0, 0);
4191         fsp = file_fsp(req, fnum);
4192
4193         if ((fnum != 0xFFFF) && !check_fsp(conn, req, fsp)) {
4194                 return;
4195         }
4196
4197         if (!fsp) {
4198                 file_sync_all(conn);
4199         } else {
4200                 NTSTATUS status = sync_file(conn, fsp, True);
4201                 if (!NT_STATUS_IS_OK(status)) {
4202                         DEBUG(5,("reply_flush: sync_file for %s returned %s\n",
4203                                 fsp->fsp_name, nt_errstr(status) ));
4204                         reply_nterror(req, status);
4205                         END_PROFILE(SMBflush);
4206                         return;
4207                 }
4208         }
4209
4210         reply_outbuf(req, 0, 0);
4211
4212         DEBUG(3,("flush\n"));
4213         END_PROFILE(SMBflush);
4214         return;
4215 }
4216
4217 /****************************************************************************
4218  Reply to a exit.
4219  conn POINTER CAN BE NULL HERE !
4220 ****************************************************************************/
4221
4222 void reply_exit(struct smb_request *req)
4223 {
4224         START_PROFILE(SMBexit);
4225
4226         file_close_pid(req->smbpid, req->vuid);
4227
4228         reply_outbuf(req, 0, 0);
4229
4230         DEBUG(3,("exit\n"));
4231
4232         END_PROFILE(SMBexit);
4233         return;
4234 }
4235
4236 /****************************************************************************
4237  Reply to a close - has to deal with closing a directory opened by NT SMB's.
4238 ****************************************************************************/
4239
4240 void reply_close(struct smb_request *req)
4241 {
4242         connection_struct *conn = req->conn;
4243         NTSTATUS status = NT_STATUS_OK;
4244         files_struct *fsp = NULL;
4245         START_PROFILE(SMBclose);
4246
4247         if (req->wct < 3) {
4248                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4249                 END_PROFILE(SMBclose);
4250                 return;
4251         }
4252
4253         fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4254
4255         /*
4256          * We can only use check_fsp if we know it's not a directory.
4257          */
4258
4259         if(!fsp || (fsp->conn != conn) || (fsp->vuid != req->vuid)) {
4260                 reply_doserror(req, ERRDOS, ERRbadfid);
4261                 END_PROFILE(SMBclose);
4262                 return;
4263         }
4264
4265         if(fsp->is_directory) {
4266                 /*
4267                  * Special case - close NT SMB directory handle.
4268                  */
4269                 DEBUG(3,("close directory fnum=%d\n", fsp->fnum));
4270                 status = close_file(req, fsp, NORMAL_CLOSE);
4271         } else {
4272                 time_t t;
4273                 /*
4274                  * Close ordinary file.
4275                  */
4276
4277                 DEBUG(3,("close fd=%d fnum=%d (numopen=%d)\n",
4278                          fsp->fh->fd, fsp->fnum,
4279                          conn->num_files_open));
4280
4281                 /*
4282                  * Take care of any time sent in the close.
4283                  */
4284
4285                 t = srv_make_unix_date3(req->vwv+1);
4286                 set_close_write_time(fsp, convert_time_t_to_timespec(t));
4287
4288                 /*
4289                  * close_file() returns the unix errno if an error
4290                  * was detected on close - normally this is due to
4291                  * a disk full error. If not then it was probably an I/O error.
4292                  */
4293
4294                 status = close_file(req, fsp, NORMAL_CLOSE);
4295         }
4296
4297         if (!NT_STATUS_IS_OK(status)) {
4298                 reply_nterror(req, status);
4299                 END_PROFILE(SMBclose);
4300                 return;
4301         }
4302
4303         reply_outbuf(req, 0, 0);
4304         END_PROFILE(SMBclose);
4305         return;
4306 }
4307
4308 /****************************************************************************
4309  Reply to a writeclose (Core+ protocol).
4310 ****************************************************************************/
4311
4312 void reply_writeclose(struct smb_request *req)
4313 {
4314         connection_struct *conn = req->conn;
4315         size_t numtowrite;
4316         ssize_t nwritten = -1;
4317         NTSTATUS close_status = NT_STATUS_OK;
4318         SMB_OFF_T startpos;
4319         const char *data;
4320         struct timespec mtime;
4321         files_struct *fsp;
4322
4323         START_PROFILE(SMBwriteclose);
4324
4325         if (req->wct < 6) {
4326                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4327                 END_PROFILE(SMBwriteclose);
4328                 return;
4329         }
4330
4331         fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4332
4333         if (!check_fsp(conn, req, fsp)) {
4334                 END_PROFILE(SMBwriteclose);
4335                 return;
4336         }
4337         if (!CHECK_WRITE(fsp)) {
4338                 reply_doserror(req, ERRDOS,ERRbadaccess);
4339                 END_PROFILE(SMBwriteclose);
4340                 return;
4341         }
4342
4343         numtowrite = SVAL(req->vwv+1, 0);
4344         startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
4345         mtime = convert_time_t_to_timespec(srv_make_unix_date3(req->vwv+4));
4346         data = (const char *)req->buf + 1;
4347
4348         if (numtowrite
4349             && is_locked(fsp, (uint32)req->smbpid, (uint64_t)numtowrite,
4350                          (uint64_t)startpos, WRITE_LOCK)) {
4351                 reply_doserror(req, ERRDOS,ERRlock);
4352                 END_PROFILE(SMBwriteclose);
4353                 return;
4354         }
4355
4356         nwritten = write_file(req,fsp,data,startpos,numtowrite);
4357
4358         set_close_write_time(fsp, mtime);
4359
4360         /*
4361          * More insanity. W2K only closes the file if writelen > 0.
4362          * JRA.
4363          */
4364
4365         if (numtowrite) {
4366                 DEBUG(3,("reply_writeclose: zero length write doesn't close file %s\n",
4367                         fsp->fsp_name ));
4368                 close_status = close_file(req, fsp, NORMAL_CLOSE);
4369         }
4370
4371         DEBUG(3,("writeclose fnum=%d num=%d wrote=%d (numopen=%d)\n",
4372                  fsp->fnum, (int)numtowrite, (int)nwritten,
4373                  conn->num_files_open));
4374
4375         if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
4376                 reply_doserror(req, ERRHRD, ERRdiskfull);
4377                 END_PROFILE(SMBwriteclose);
4378                 return;
4379         }
4380
4381         if(!NT_STATUS_IS_OK(close_status)) {
4382                 reply_nterror(req, close_status);
4383                 END_PROFILE(SMBwriteclose);
4384                 return;
4385         }
4386
4387         reply_outbuf(req, 1, 0);
4388
4389         SSVAL(req->outbuf,smb_vwv0,nwritten);
4390         END_PROFILE(SMBwriteclose);
4391         return;
4392 }
4393
4394 #undef DBGC_CLASS
4395 #define DBGC_CLASS DBGC_LOCKING
4396
4397 /****************************************************************************
4398  Reply to a lock.
4399 ****************************************************************************/
4400
4401 void reply_lock(struct smb_request *req)
4402 {
4403         connection_struct *conn = req->conn;
4404         uint64_t count,offset;
4405         NTSTATUS status;
4406         files_struct *fsp;
4407         struct byte_range_lock *br_lck = NULL;
4408
4409         START_PROFILE(SMBlock);
4410
4411         if (req->wct < 5) {
4412                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4413                 END_PROFILE(SMBlock);
4414                 return;
4415         }
4416
4417         fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4418
4419         if (!check_fsp(conn, req, fsp)) {
4420                 END_PROFILE(SMBlock);
4421                 return;
4422         }
4423
4424         release_level_2_oplocks_on_change(fsp);
4425
4426         count = (uint64_t)IVAL(req->vwv+1, 0);
4427         offset = (uint64_t)IVAL(req->vwv+3, 0);
4428
4429         DEBUG(3,("lock fd=%d fnum=%d offset=%.0f count=%.0f\n",
4430                  fsp->fh->fd, fsp->fnum, (double)offset, (double)count));
4431
4432         br_lck = do_lock(smbd_messaging_context(),
4433                         fsp,
4434                         req->smbpid,
4435                         count,
4436                         offset,
4437                         WRITE_LOCK,
4438                         WINDOWS_LOCK,
4439                         False, /* Non-blocking lock. */
4440                         &status,
4441                         NULL);
4442
4443         TALLOC_FREE(br_lck);
4444
4445         if (NT_STATUS_V(status)) {
4446                 reply_nterror(req, status);
4447                 END_PROFILE(SMBlock);
4448                 return;
4449         }
4450
4451         reply_outbuf(req, 0, 0);
4452
4453         END_PROFILE(SMBlock);
4454         return;
4455 }
4456
4457 /****************************************************************************
4458  Reply to a unlock.
4459 ****************************************************************************/
4460
4461 void reply_unlock(struct smb_request *req)
4462 {
4463         connection_struct *conn = req->conn;
4464         uint64_t count,offset;
4465         NTSTATUS status;
4466         files_struct *fsp;
4467
4468         START_PROFILE(SMBunlock);
4469
4470         if (req->wct < 5) {
4471                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4472                 END_PROFILE(SMBunlock);
4473                 return;
4474         }
4475
4476         fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4477
4478         if (!check_fsp(conn, req, fsp)) {
4479                 END_PROFILE(SMBunlock);
4480                 return;
4481         }
4482
4483         count = (uint64_t)IVAL(req->vwv+1, 0);
4484         offset = (uint64_t)IVAL(req->vwv+3, 0);
4485
4486         status = do_unlock(smbd_messaging_context(),
4487                         fsp,
4488                         req->smbpid,
4489                         count,
4490                         offset,
4491                         WINDOWS_LOCK);
4492
4493         if (NT_STATUS_V(status)) {
4494                 reply_nterror(req, status);
4495                 END_PROFILE(SMBunlock);
4496                 return;
4497         }
4498
4499         DEBUG( 3, ( "unlock fd=%d fnum=%d offset=%.0f count=%.0f\n",
4500                     fsp->fh->fd, fsp->fnum, (double)offset, (double)count ) );
4501
4502         reply_outbuf(req, 0, 0);
4503
4504         END_PROFILE(SMBunlock);
4505         return;
4506 }
4507
4508 #undef DBGC_CLASS
4509 #define DBGC_CLASS DBGC_ALL
4510
4511 /****************************************************************************
4512  Reply to a tdis.
4513  conn POINTER CAN BE NULL HERE !
4514 ****************************************************************************/
4515
4516 void reply_tdis(struct smb_request *req)
4517 {
4518         connection_struct *conn = req->conn;
4519         START_PROFILE(SMBtdis);
4520
4521         if (!conn) {
4522                 DEBUG(4,("Invalid connection in tdis\n"));
4523                 reply_doserror(req, ERRSRV, ERRinvnid);
4524                 END_PROFILE(SMBtdis);
4525                 return;
4526         }
4527
4528         conn->used = False;
4529
4530         close_cnum(conn,req->vuid);
4531         req->conn = NULL;
4532
4533         reply_outbuf(req, 0, 0);
4534         END_PROFILE(SMBtdis);
4535         return;
4536 }
4537
4538 /****************************************************************************
4539  Reply to a echo.
4540  conn POINTER CAN BE NULL HERE !
4541 ****************************************************************************/
4542
4543 void reply_echo(struct smb_request *req)
4544 {
4545         connection_struct *conn = req->conn;
4546         int smb_reverb;
4547         int seq_num;
4548
4549         START_PROFILE(SMBecho);
4550
4551         if (req->wct < 1) {
4552                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4553                 END_PROFILE(SMBecho);
4554                 return;
4555         }
4556
4557         smb_reverb = SVAL(req->vwv+0, 0);
4558
4559         reply_outbuf(req, 1, req->buflen);
4560
4561         /* copy any incoming data back out */
4562         if (req->buflen > 0) {
4563                 memcpy(smb_buf(req->outbuf), req->buf, req->buflen);
4564         }
4565
4566         if (smb_reverb > 100) {
4567                 DEBUG(0,("large reverb (%d)?? Setting to 100\n",smb_reverb));
4568                 smb_reverb = 100;
4569         }
4570
4571         for (seq_num =1 ; seq_num <= smb_reverb ; seq_num++) {
4572                 SSVAL(req->outbuf,smb_vwv0,seq_num);
4573
4574                 show_msg((char *)req->outbuf);
4575                 if (!srv_send_smb(smbd_server_fd(),
4576                                 (char *)req->outbuf,
4577                                 IS_CONN_ENCRYPTED(conn)||req->encrypted))
4578                         exit_server_cleanly("reply_echo: srv_send_smb failed.");
4579         }
4580
4581         DEBUG(3,("echo %d times\n", smb_reverb));
4582
4583         TALLOC_FREE(req->outbuf);
4584
4585         END_PROFILE(SMBecho);
4586         return;
4587 }
4588
4589 /****************************************************************************
4590  Reply to a printopen.
4591 ****************************************************************************/
4592
4593 void reply_printopen(struct smb_request *req)
4594 {
4595         connection_struct *conn = req->conn;
4596         files_struct *fsp;
4597         SMB_STRUCT_STAT sbuf;
4598         NTSTATUS status;
4599
4600         START_PROFILE(SMBsplopen);
4601
4602         if (req->wct < 2) {
4603                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4604                 END_PROFILE(SMBsplopen);
4605                 return;
4606         }
4607
4608         if (!CAN_PRINT(conn)) {
4609                 reply_doserror(req, ERRDOS, ERRnoaccess);
4610                 END_PROFILE(SMBsplopen);
4611                 return;
4612         }
4613
4614         status = file_new(req, conn, &fsp);
4615         if(!NT_STATUS_IS_OK(status)) {
4616                 reply_nterror(req, status);
4617                 END_PROFILE(SMBsplopen);
4618                 return;
4619         }
4620
4621         /* Open for exclusive use, write only. */
4622         status = print_fsp_open(req, conn, NULL, req->vuid, fsp, &sbuf);
4623
4624         if (!NT_STATUS_IS_OK(status)) {
4625                 reply_nterror(req, status);
4626                 END_PROFILE(SMBsplopen);
4627                 return;
4628         }
4629
4630         reply_outbuf(req, 1, 0);
4631         SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
4632
4633         DEBUG(3,("openprint fd=%d fnum=%d\n",
4634                  fsp->fh->fd, fsp->fnum));
4635
4636         END_PROFILE(SMBsplopen);
4637         return;
4638 }
4639
4640 /****************************************************************************
4641  Reply to a printclose.
4642 ****************************************************************************/
4643
4644 void reply_printclose(struct smb_request *req)
4645 {
4646         connection_struct *conn = req->conn;
4647         files_struct *fsp;
4648         NTSTATUS status;
4649
4650         START_PROFILE(SMBsplclose);
4651
4652         if (req->wct < 1) {
4653                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4654                 END_PROFILE(SMBsplclose);
4655                 return;
4656         }
4657
4658         fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4659
4660         if (!check_fsp(conn, req, fsp)) {
4661                 END_PROFILE(SMBsplclose);
4662                 return;
4663         }
4664
4665         if (!CAN_PRINT(conn)) {
4666                 reply_nterror(req, NT_STATUS_DOS(ERRSRV, ERRerror));
4667                 END_PROFILE(SMBsplclose);
4668                 return;
4669         }
4670
4671         DEBUG(3,("printclose fd=%d fnum=%d\n",
4672                  fsp->fh->fd,fsp->fnum));
4673
4674         status = close_file(req, fsp, NORMAL_CLOSE);
4675
4676         if(!NT_STATUS_IS_OK(status)) {
4677                 reply_nterror(req, status);
4678                 END_PROFILE(SMBsplclose);
4679                 return;
4680         }
4681
4682         reply_outbuf(req, 0, 0);
4683
4684         END_PROFILE(SMBsplclose);
4685         return;
4686 }
4687
4688 /****************************************************************************
4689  Reply to a printqueue.
4690 ****************************************************************************/
4691
4692 void reply_printqueue(struct smb_request *req)
4693 {
4694         connection_struct *conn = req->conn;
4695         int max_count;
4696         int start_index;
4697
4698         START_PROFILE(SMBsplretq);
4699
4700         if (req->wct < 2) {
4701                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4702                 END_PROFILE(SMBsplretq);
4703                 return;
4704         }
4705
4706         max_count = SVAL(req->vwv+0, 0);
4707         start_index = SVAL(req->vwv+1, 0);
4708
4709         /* we used to allow the client to get the cnum wrong, but that
4710            is really quite gross and only worked when there was only
4711            one printer - I think we should now only accept it if they
4712            get it right (tridge) */
4713         if (!CAN_PRINT(conn)) {
4714                 reply_doserror(req, ERRDOS, ERRnoaccess);
4715                 END_PROFILE(SMBsplretq);
4716                 return;
4717         }
4718
4719         reply_outbuf(req, 2, 3);
4720         SSVAL(req->outbuf,smb_vwv0,0);
4721         SSVAL(req->outbuf,smb_vwv1,0);
4722         SCVAL(smb_buf(req->outbuf),0,1);
4723         SSVAL(smb_buf(req->outbuf),1,0);
4724
4725         DEBUG(3,("printqueue start_index=%d max_count=%d\n",
4726                  start_index, max_count));
4727
4728         {
4729                 print_queue_struct *queue = NULL;
4730                 print_status_struct status;
4731                 int count = print_queue_status(SNUM(conn), &queue, &status);
4732                 int num_to_get = ABS(max_count);
4733                 int first = (max_count>0?start_index:start_index+max_count+1);
4734                 int i;
4735
4736                 if (first >= count)
4737                         num_to_get = 0;
4738                 else
4739                         num_to_get = MIN(num_to_get,count-first);
4740
4741
4742                 for (i=first;i<first+num_to_get;i++) {
4743                         char blob[28];
4744                         char *p = blob;
4745
4746                         srv_put_dos_date2(p,0,queue[i].time);
4747                         SCVAL(p,4,(queue[i].status==LPQ_PRINTING?2:3));
4748                         SSVAL(p,5, queue[i].job);
4749                         SIVAL(p,7,queue[i].size);
4750                         SCVAL(p,11,0);
4751                         srvstr_push(blob, req->flags2, p+12,
4752                                     queue[i].fs_user, 16, STR_ASCII);
4753
4754                         if (message_push_blob(
4755                                     &req->outbuf,
4756                                     data_blob_const(
4757                                             blob, sizeof(blob))) == -1) {
4758                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
4759                                 END_PROFILE(SMBsplretq);
4760                                 return;
4761                         }
4762                 }
4763
4764                 if (count > 0) {
4765                         SSVAL(req->outbuf,smb_vwv0,count);
4766                         SSVAL(req->outbuf,smb_vwv1,
4767                               (max_count>0?first+count:first-1));
4768                         SCVAL(smb_buf(req->outbuf),0,1);
4769                         SSVAL(smb_buf(req->outbuf),1,28*count);
4770                 }
4771
4772                 SAFE_FREE(queue);
4773
4774                 DEBUG(3,("%d entries returned in queue\n",count));
4775         }
4776
4777         END_PROFILE(SMBsplretq);
4778         return;
4779 }
4780
4781 /****************************************************************************
4782  Reply to a printwrite.
4783 ****************************************************************************/
4784
4785 void reply_printwrite(struct smb_request *req)
4786 {
4787         connection_struct *conn = req->conn;
4788         int numtowrite;
4789         const char *data;
4790         files_struct *fsp;
4791
4792         START_PROFILE(SMBsplwr);
4793
4794         if (req->wct < 1) {
4795                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4796                 END_PROFILE(SMBsplwr);
4797                 return;
4798         }
4799
4800         fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4801
4802         if (!check_fsp(conn, req, fsp)) {
4803                 END_PROFILE(SMBsplwr);
4804                 return;
4805         }
4806
4807         if (!CAN_PRINT(conn)) {
4808                 reply_doserror(req, ERRDOS, ERRnoaccess);
4809                 END_PROFILE(SMBsplwr);
4810                 return;
4811         }
4812
4813         if (!CHECK_WRITE(fsp)) {
4814                 reply_doserror(req, ERRDOS, ERRbadaccess);
4815                 END_PROFILE(SMBsplwr);
4816                 return;
4817         }
4818
4819         numtowrite = SVAL(req->buf, 1);
4820
4821         if (req->buflen < numtowrite + 3) {
4822                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4823                 END_PROFILE(SMBsplwr);
4824                 return;
4825         }
4826
4827         data = (const char *)req->buf + 3;
4828
4829         if (write_file(req,fsp,data,-1,numtowrite) != numtowrite) {
4830                 reply_unixerror(req, ERRHRD, ERRdiskfull);
4831                 END_PROFILE(SMBsplwr);
4832                 return;
4833         }
4834
4835         DEBUG( 3, ( "printwrite fnum=%d num=%d\n", fsp->fnum, numtowrite ) );
4836
4837         END_PROFILE(SMBsplwr);
4838         return;
4839 }
4840
4841 /****************************************************************************
4842  Reply to a mkdir.
4843 ****************************************************************************/
4844
4845 void reply_mkdir(struct smb_request *req)
4846 {
4847         connection_struct *conn = req->conn;
4848         char *directory = NULL;
4849         NTSTATUS status;
4850         SMB_STRUCT_STAT sbuf;
4851         TALLOC_CTX *ctx = talloc_tos();
4852
4853         START_PROFILE(SMBmkdir);
4854
4855         srvstr_get_path_req(ctx, req, &directory, (const char *)req->buf + 1,
4856                             STR_TERMINATE, &status);
4857         if (!NT_STATUS_IS_OK(status)) {
4858                 reply_nterror(req, status);
4859                 END_PROFILE(SMBmkdir);
4860                 return;
4861         }
4862
4863         status = resolve_dfspath(ctx, conn,
4864                                  req->flags2 & FLAGS2_DFS_PATHNAMES,
4865                                  directory,
4866                                  &directory);
4867         if (!NT_STATUS_IS_OK(status)) {
4868                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
4869                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
4870                                         ERRSRV, ERRbadpath);
4871                         END_PROFILE(SMBmkdir);
4872                         return;
4873                 }
4874                 reply_nterror(req, status);
4875                 END_PROFILE(SMBmkdir);
4876                 return;
4877         }
4878
4879         status = unix_convert(ctx, conn, directory, False, &directory, NULL, &sbuf);
4880         if (!NT_STATUS_IS_OK(status)) {
4881                 reply_nterror(req, status);
4882                 END_PROFILE(SMBmkdir);
4883                 return;
4884         }
4885
4886         status = check_name(conn, directory);
4887         if (!NT_STATUS_IS_OK(status)) {
4888                 reply_nterror(req, status);
4889                 END_PROFILE(SMBmkdir);
4890                 return;
4891         }
4892
4893         status = create_directory(conn, req, directory);
4894
4895         DEBUG(5, ("create_directory returned %s\n", nt_errstr(status)));
4896
4897         if (!NT_STATUS_IS_OK(status)) {
4898
4899                 if (!use_nt_status()
4900                     && NT_STATUS_EQUAL(status,
4901                                        NT_STATUS_OBJECT_NAME_COLLISION)) {
4902                         /*
4903                          * Yes, in the DOS error code case we get a
4904                          * ERRDOS:ERRnoaccess here. See BASE-SAMBA3ERROR
4905                          * samba4 torture test.
4906                          */
4907                         status = NT_STATUS_DOS(ERRDOS, ERRnoaccess);
4908                 }
4909
4910                 reply_nterror(req, status);
4911                 END_PROFILE(SMBmkdir);
4912                 return;
4913         }
4914
4915         reply_outbuf(req, 0, 0);
4916
4917         DEBUG( 3, ( "mkdir %s\n", directory ) );
4918
4919         END_PROFILE(SMBmkdir);
4920         return;
4921 }
4922
4923 /****************************************************************************
4924  Static function used by reply_rmdir to delete an entire directory
4925  tree recursively. Return True on ok, False on fail.
4926 ****************************************************************************/
4927
4928 static bool recursive_rmdir(TALLOC_CTX *ctx,
4929                         connection_struct *conn,
4930                         char *directory)
4931 {
4932         const char *dname = NULL;
4933         bool ret = True;
4934         long offset = 0;
4935         struct smb_Dir *dir_hnd = OpenDir(talloc_tos(), conn, directory,
4936                                           NULL, 0);
4937
4938         if(dir_hnd == NULL)
4939                 return False;
4940
4941         while((dname = ReadDirName(dir_hnd, &offset))) {
4942                 char *fullname = NULL;
4943                 SMB_STRUCT_STAT st;
4944
4945                 if (ISDOT(dname) || ISDOTDOT(dname)) {
4946                         continue;
4947                 }
4948
4949                 if (!is_visible_file(conn, directory, dname, &st, False)) {
4950                         continue;
4951                 }
4952
4953                 /* Construct the full name. */
4954                 fullname = talloc_asprintf(ctx,
4955                                 "%s/%s",
4956                                 directory,
4957                                 dname);
4958                 if (!fullname) {
4959                         errno = ENOMEM;
4960                         ret = False;
4961                         break;
4962                 }
4963
4964                 if(SMB_VFS_LSTAT(conn,fullname, &st) != 0) {
4965                         ret = False;
4966                         break;
4967                 }
4968
4969                 if(st.st_mode & S_IFDIR) {
4970                         if(!recursive_rmdir(ctx, conn, fullname)) {
4971                                 ret = False;
4972                                 break;
4973                         }
4974                         if(SMB_VFS_RMDIR(conn,fullname) != 0) {
4975                                 ret = False;
4976                                 break;
4977                         }
4978                 } else if(SMB_VFS_UNLINK(conn,fullname) != 0) {
4979                         ret = False;
4980                         break;
4981                 }
4982                 TALLOC_FREE(fullname);
4983         }
4984         TALLOC_FREE(dir_hnd);
4985         return ret;
4986 }
4987
4988 /****************************************************************************
4989  The internals of the rmdir code - called elsewhere.
4990 ****************************************************************************/
4991
4992 NTSTATUS rmdir_internals(TALLOC_CTX *ctx,
4993                         connection_struct *conn,
4994                         const char *directory)
4995 {
4996         int ret;
4997         SMB_STRUCT_STAT st;
4998
4999         /* Might be a symlink. */
5000         if(SMB_VFS_LSTAT(conn, directory, &st) != 0) {
5001                 return map_nt_error_from_unix(errno);
5002         }
5003
5004         if (S_ISLNK(st.st_mode)) {
5005                 /* Is what it points to a directory ? */
5006                 if(SMB_VFS_STAT(conn, directory, &st) != 0) {
5007                         return map_nt_error_from_unix(errno);
5008                 }
5009                 if (!(S_ISDIR(st.st_mode))) {
5010                         return NT_STATUS_NOT_A_DIRECTORY;
5011                 }
5012                 ret = SMB_VFS_UNLINK(conn,directory);
5013         } else {
5014                 ret = SMB_VFS_RMDIR(conn,directory);
5015         }
5016         if (ret == 0) {
5017                 notify_fname(conn, NOTIFY_ACTION_REMOVED,
5018                              FILE_NOTIFY_CHANGE_DIR_NAME,
5019                              directory);
5020                 return NT_STATUS_OK;
5021         }
5022
5023         if(((errno == ENOTEMPTY)||(errno == EEXIST)) && lp_veto_files(SNUM(conn))) {
5024                 /*
5025                  * Check to see if the only thing in this directory are
5026                  * vetoed files/directories. If so then delete them and
5027                  * retry. If we fail to delete any of them (and we *don't*
5028                  * do a recursive delete) then fail the rmdir.
5029                  */
5030                 const char *dname;
5031                 long dirpos = 0;
5032                 struct smb_Dir *dir_hnd = OpenDir(talloc_tos(), conn,
5033                                                   directory, NULL, 0);
5034
5035                 if(dir_hnd == NULL) {
5036                         errno = ENOTEMPTY;
5037                         goto err;
5038                 }
5039
5040                 while ((dname = ReadDirName(dir_hnd,&dirpos))) {
5041                         if((strcmp(dname, ".") == 0) || (strcmp(dname, "..")==0))
5042                                 continue;
5043                         if (!is_visible_file(conn, directory, dname, &st, False))
5044                                 continue;
5045                         if(!IS_VETO_PATH(conn, dname)) {
5046                                 TALLOC_FREE(dir_hnd);
5047                                 errno = ENOTEMPTY;
5048                                 goto err;
5049                         }
5050                 }
5051
5052                 /* We only have veto files/directories.
5053                  * Are we allowed to delete them ? */
5054
5055                 if(!lp_recursive_veto_delete(SNUM(conn))) {
5056                         TALLOC_FREE(dir_hnd);
5057                         errno = ENOTEMPTY;
5058                         goto err;
5059                 }
5060
5061                 /* Do a recursive delete. */
5062                 RewindDir(dir_hnd,&dirpos);
5063                 while ((dname = ReadDirName(dir_hnd,&dirpos))) {
5064                         char *fullname = NULL;
5065
5066                         if (ISDOT(dname) || ISDOTDOT(dname)) {
5067                                 continue;
5068                         }
5069                         if (!is_visible_file(conn, directory, dname, &st, False)) {
5070                                 continue;
5071                         }
5072
5073                         fullname = talloc_asprintf(ctx,
5074                                         "%s/%s",
5075                                         directory,
5076                                         dname);
5077
5078                         if(!fullname) {
5079                                 errno = ENOMEM;
5080                                 break;
5081                         }
5082
5083                         if(SMB_VFS_LSTAT(conn,fullname, &st) != 0) {
5084                                 break;
5085                         }
5086                         if(st.st_mode & S_IFDIR) {
5087                                 if(!recursive_rmdir(ctx, conn, fullname)) {
5088                                         break;
5089                                 }
5090                                 if(SMB_VFS_RMDIR(conn,fullname) != 0) {
5091                                         break;
5092                                 }
5093                         } else if(SMB_VFS_UNLINK(conn,fullname) != 0) {
5094                                 break;
5095                         }
5096                         TALLOC_FREE(fullname);
5097                 }
5098                 TALLOC_FREE(dir_hnd);
5099                 /* Retry the rmdir */
5100                 ret = SMB_VFS_RMDIR(conn,directory);
5101         }
5102
5103   err:
5104
5105         if (ret != 0) {
5106                 DEBUG(3,("rmdir_internals: couldn't remove directory %s : "
5107                          "%s\n", directory,strerror(errno)));
5108                 return map_nt_error_from_unix(errno);
5109         }
5110
5111         notify_fname(conn, NOTIFY_ACTION_REMOVED,
5112                      FILE_NOTIFY_CHANGE_DIR_NAME,
5113                      directory);
5114
5115         return NT_STATUS_OK;
5116 }
5117
5118 /****************************************************************************
5119  Reply to a rmdir.
5120 ****************************************************************************/
5121
5122 void reply_rmdir(struct smb_request *req)
5123 {
5124         connection_struct *conn = req->conn;
5125         char *directory = NULL;
5126         SMB_STRUCT_STAT sbuf;
5127         NTSTATUS status;
5128         TALLOC_CTX *ctx = talloc_tos();
5129
5130         START_PROFILE(SMBrmdir);
5131
5132         srvstr_get_path_req(ctx, req, &directory, (const char *)req->buf + 1,
5133                             STR_TERMINATE, &status);
5134         if (!NT_STATUS_IS_OK(status)) {
5135                 reply_nterror(req, status);
5136                 END_PROFILE(SMBrmdir);
5137                 return;
5138         }
5139
5140         status = resolve_dfspath(ctx, conn,
5141                                  req->flags2 & FLAGS2_DFS_PATHNAMES,
5142                                  directory,
5143                                  &directory);
5144         if (!NT_STATUS_IS_OK(status)) {
5145                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
5146                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
5147                                         ERRSRV, ERRbadpath);
5148                         END_PROFILE(SMBrmdir);
5149                         return;
5150                 }
5151                 reply_nterror(req, status);
5152                 END_PROFILE(SMBrmdir);
5153                 return;
5154         }
5155
5156         status = unix_convert(ctx, conn, directory, False, &directory,
5157                         NULL, &sbuf);
5158         if (!NT_STATUS_IS_OK(status)) {
5159                 reply_nterror(req, status);
5160                 END_PROFILE(SMBrmdir);
5161                 return;
5162         }
5163
5164         status = check_name(conn, directory);
5165         if (!NT_STATUS_IS_OK(status)) {
5166                 reply_nterror(req, status);
5167                 END_PROFILE(SMBrmdir);
5168                 return;
5169         }
5170
5171         dptr_closepath(directory, req->smbpid);
5172         status = rmdir_internals(ctx, conn, directory);
5173         if (!NT_STATUS_IS_OK(status)) {
5174                 reply_nterror(req, status);
5175                 END_PROFILE(SMBrmdir);
5176                 return;
5177         }
5178
5179         reply_outbuf(req, 0, 0);
5180
5181         DEBUG( 3, ( "rmdir %s\n", directory ) );
5182
5183         END_PROFILE(SMBrmdir);
5184         return;
5185 }
5186
5187 /*******************************************************************
5188  Resolve wildcards in a filename rename.
5189 ********************************************************************/
5190
5191 static bool resolve_wildcards(TALLOC_CTX *ctx,
5192                                 const char *name1,
5193                                 const char *name2,
5194                                 char **pp_newname)
5195 {
5196         char *name2_copy = NULL;
5197         char *root1 = NULL;
5198         char *root2 = NULL;
5199         char *ext1 = NULL;
5200         char *ext2 = NULL;
5201         char *p,*p2, *pname1, *pname2;
5202
5203         name2_copy = talloc_strdup(ctx, name2);
5204         if (!name2_copy) {
5205                 return False;
5206         }
5207
5208         pname1 = strrchr_m(name1,'/');
5209         pname2 = strrchr_m(name2_copy,'/');
5210
5211         if (!pname1 || !pname2) {
5212                 return False;
5213         }
5214
5215         /* Truncate the copy of name2 at the last '/' */
5216         *pname2 = '\0';
5217
5218         /* Now go past the '/' */
5219         pname1++;
5220         pname2++;
5221
5222         root1 = talloc_strdup(ctx, pname1);
5223         root2 = talloc_strdup(ctx, pname2);
5224
5225         if (!root1 || !root2) {
5226                 return False;
5227         }
5228
5229         p = strrchr_m(root1,'.');
5230         if (p) {
5231                 *p = 0;
5232                 ext1 = talloc_strdup(ctx, p+1);
5233         } else {
5234                 ext1 = talloc_strdup(ctx, "");
5235         }
5236         p = strrchr_m(root2,'.');
5237         if (p) {
5238                 *p = 0;
5239                 ext2 = talloc_strdup(ctx, p+1);
5240         } else {
5241                 ext2 = talloc_strdup(ctx, "");
5242         }
5243
5244         if (!ext1 || !ext2) {
5245                 return False;
5246         }
5247
5248         p = root1;
5249         p2 = root2;
5250         while (*p2) {
5251                 if (*p2 == '?') {
5252                         /* Hmmm. Should this be mb-aware ? */
5253                         *p2 = *p;
5254                         p2++;
5255                 } else if (*p2 == '*') {
5256                         *p2 = '\0';
5257                         root2 = talloc_asprintf(ctx, "%s%s",
5258                                                 root2,
5259                                                 p);
5260                         if (!root2) {
5261                                 return False;
5262                         }
5263                         break;
5264                 } else {
5265                         p2++;
5266                 }
5267                 if (*p) {
5268                         p++;
5269                 }
5270         }
5271
5272         p = ext1;
5273         p2 = ext2;
5274         while (*p2) {
5275                 if (*p2 == '?') {
5276                         /* Hmmm. Should this be mb-aware ? */
5277                         *p2 = *p;
5278                         p2++;
5279                 } else if (*p2 == '*') {
5280                         *p2 = '\0';
5281                         ext2 = talloc_asprintf(ctx, "%s%s",
5282                                                 ext2,
5283                                                 p);
5284                         if (!ext2) {
5285                                 return False;
5286                         }
5287                         break;
5288                 } else {
5289                         p2++;
5290                 }
5291                 if (*p) {
5292                         p++;
5293                 }
5294         }
5295
5296         if (*ext2) {
5297                 *pp_newname = talloc_asprintf(ctx, "%s/%s.%s",
5298                                 name2_copy,
5299                                 root2,
5300                                 ext2);
5301         } else {
5302                 *pp_newname = talloc_asprintf(ctx, "%s/%s",
5303                                 name2_copy,
5304                                 root2);
5305         }
5306
5307         if (!*pp_newname) {
5308                 return False;
5309         }
5310
5311         return True;
5312 }
5313
5314 /****************************************************************************
5315  Ensure open files have their names updated. Updated to notify other smbd's
5316  asynchronously.
5317 ****************************************************************************/
5318
5319 static void rename_open_files(connection_struct *conn,
5320                               struct share_mode_lock *lck,
5321                               const char *newname)
5322 {
5323         files_struct *fsp;
5324         bool did_rename = False;
5325
5326         for(fsp = file_find_di_first(lck->id); fsp;
5327             fsp = file_find_di_next(fsp)) {
5328                 /* fsp_name is a relative path under the fsp. To change this for other
5329                    sharepaths we need to manipulate relative paths. */
5330                 /* TODO - create the absolute path and manipulate the newname
5331                    relative to the sharepath. */
5332                 if (!strequal(fsp->conn->connectpath, conn->connectpath)) {
5333                         continue;
5334                 }
5335                 DEBUG(10,("rename_open_files: renaming file fnum %d (file_id %s) from %s -> %s\n",
5336                           fsp->fnum, file_id_string_tos(&fsp->file_id),
5337                         fsp->fsp_name, newname ));
5338                 string_set(&fsp->fsp_name, newname);
5339                 did_rename = True;
5340         }
5341
5342         if (!did_rename) {
5343                 DEBUG(10,("rename_open_files: no open files on file_id %s for %s\n",
5344                           file_id_string_tos(&lck->id), newname ));
5345         }
5346
5347         /* Send messages to all smbd's (not ourself) that the name has changed. */
5348         rename_share_filename(smbd_messaging_context(), lck, conn->connectpath,
5349                               newname);
5350 }
5351
5352 /****************************************************************************
5353  We need to check if the source path is a parent directory of the destination
5354  (ie. a rename of /foo/bar/baz -> /foo/bar/baz/bibble/bobble. If so we must
5355  refuse the rename with a sharing violation. Under UNIX the above call can
5356  *succeed* if /foo/bar/baz is a symlink to another area in the share. We
5357  probably need to check that the client is a Windows one before disallowing
5358  this as a UNIX client (one with UNIX extensions) can know the source is a
5359  symlink and make this decision intelligently. Found by an excellent bug
5360  report from <AndyLiebman@aol.com>.
5361 ****************************************************************************/
5362
5363 static bool rename_path_prefix_equal(const char *src, const char *dest)
5364 {
5365         const char *psrc = src;
5366         const char *pdst = dest;
5367         size_t slen;
5368
5369         if (psrc[0] == '.' && psrc[1] == '/') {
5370                 psrc += 2;
5371         }
5372         if (pdst[0] == '.' && pdst[1] == '/') {
5373                 pdst += 2;
5374         }
5375         if ((slen = strlen(psrc)) > strlen(pdst)) {
5376                 return False;
5377         }
5378         return ((memcmp(psrc, pdst, slen) == 0) && pdst[slen] == '/');
5379 }
5380
5381 /*
5382  * Do the notify calls from a rename
5383  */
5384
5385 static void notify_rename(connection_struct *conn, bool is_dir,
5386                           const char *oldpath, const char *newpath)
5387 {
5388         char *olddir, *newdir;
5389         const char *oldname, *newname;
5390         uint32 mask;
5391
5392         mask = is_dir ? FILE_NOTIFY_CHANGE_DIR_NAME
5393                 : FILE_NOTIFY_CHANGE_FILE_NAME;
5394
5395         if (!parent_dirname_talloc(NULL, oldpath, &olddir, &oldname)
5396             || !parent_dirname_talloc(NULL, newpath, &newdir, &newname)) {
5397                 TALLOC_FREE(olddir);
5398                 return;
5399         }
5400
5401         if (strcmp(olddir, newdir) == 0) {
5402                 notify_fname(conn, NOTIFY_ACTION_OLD_NAME, mask, oldpath);
5403                 notify_fname(conn, NOTIFY_ACTION_NEW_NAME, mask, newpath);
5404         }
5405         else {
5406                 notify_fname(conn, NOTIFY_ACTION_REMOVED, mask, oldpath);
5407                 notify_fname(conn, NOTIFY_ACTION_ADDED, mask, newpath);
5408         }
5409         TALLOC_FREE(olddir);
5410         TALLOC_FREE(newdir);
5411
5412         /* this is a strange one. w2k3 gives an additional event for
5413            CHANGE_ATTRIBUTES and CHANGE_CREATION on the new file when renaming
5414            files, but not directories */
5415         if (!is_dir) {
5416                 notify_fname(conn, NOTIFY_ACTION_MODIFIED,
5417                              FILE_NOTIFY_CHANGE_ATTRIBUTES
5418                              |FILE_NOTIFY_CHANGE_CREATION,
5419                              newpath);
5420         }
5421 }
5422
5423 /****************************************************************************
5424  Rename an open file - given an fsp.
5425 ****************************************************************************/
5426
5427 NTSTATUS rename_internals_fsp(connection_struct *conn,
5428                         files_struct *fsp,
5429                         char *newname,
5430                         const char *newname_last_component,
5431                         uint32 attrs,
5432                         bool replace_if_exists)
5433 {
5434         TALLOC_CTX *ctx = talloc_tos();
5435         SMB_STRUCT_STAT sbuf, sbuf1;
5436         NTSTATUS status = NT_STATUS_OK;
5437         struct share_mode_lock *lck = NULL;
5438         bool dst_exists;
5439
5440         ZERO_STRUCT(sbuf);
5441
5442         status = check_name(conn, newname);
5443         if (!NT_STATUS_IS_OK(status)) {
5444                 return status;
5445         }
5446
5447         /* Ensure newname contains a '/' */
5448         if(strrchr_m(newname,'/') == 0) {
5449                 newname = talloc_asprintf(ctx,
5450                                         "./%s",
5451                                         newname);
5452                 if (!newname) {
5453                         return NT_STATUS_NO_MEMORY;
5454                 }
5455         }
5456
5457         /*
5458          * Check for special case with case preserving and not
5459          * case sensitive. If the old last component differs from the original
5460          * last component only by case, then we should allow
5461          * the rename (user is trying to change the case of the
5462          * filename).
5463          */
5464
5465         if((conn->case_sensitive == False) && (conn->case_preserve == True) &&
5466                         strequal(newname, fsp->fsp_name)) {
5467                 char *p;
5468                 char *newname_modified_last_component = NULL;
5469
5470                 /*
5471                  * Get the last component of the modified name.
5472                  * Note that we guarantee that newname contains a '/'
5473                  * character above.
5474                  */
5475                 p = strrchr_m(newname,'/');
5476                 newname_modified_last_component = talloc_strdup(ctx,
5477                                                 p+1);
5478                 if (!newname_modified_last_component) {
5479                         return NT_STATUS_NO_MEMORY;
5480                 }
5481
5482                 if(strcsequal(newname_modified_last_component,
5483                               newname_last_component) == False) {
5484                         /*
5485                          * Replace the modified last component with
5486                          * the original.
5487                          */
5488                         *p = '\0'; /* Truncate at the '/' */
5489                         newname = talloc_asprintf(ctx,
5490                                         "%s/%s",
5491                                         newname,
5492                                         newname_last_component);
5493                 }
5494         }
5495
5496         /*
5497          * If the src and dest names are identical - including case,
5498          * don't do the rename, just return success.
5499          */
5500
5501         if (strcsequal(fsp->fsp_name, newname)) {
5502                 DEBUG(3,("rename_internals_fsp: identical names in rename %s - returning success\n",
5503                         newname));
5504                 return NT_STATUS_OK;
5505         }
5506
5507         /*
5508          * Have vfs_object_exist also fill sbuf1
5509          */
5510         dst_exists = vfs_object_exist(conn, newname, &sbuf1);
5511
5512         if(!replace_if_exists && dst_exists) {
5513                 DEBUG(3,("rename_internals_fsp: dest exists doing rename %s -> %s\n",
5514                         fsp->fsp_name,newname));
5515                 return NT_STATUS_OBJECT_NAME_COLLISION;
5516         }
5517
5518         if(replace_if_exists && dst_exists) {
5519                 /* Ensure both or neither are stream names. */
5520                 if (is_ntfs_stream_name(fsp->fsp_name) !=
5521                                 is_ntfs_stream_name(newname)) {
5522                         return NT_STATUS_INVALID_PARAMETER;
5523                 }
5524         }
5525
5526         if (dst_exists) {
5527                 struct file_id fileid = vfs_file_id_from_sbuf(conn, &sbuf1);
5528                 files_struct *dst_fsp = file_find_di_first(fileid);
5529                 if (dst_fsp) {
5530                         DEBUG(3, ("rename_internals_fsp: Target file open\n"));
5531                         return NT_STATUS_ACCESS_DENIED;
5532                 }
5533         }
5534
5535         /* Ensure we have a valid stat struct for the source. */
5536         if (fsp->fh->fd != -1) {
5537                 if (SMB_VFS_FSTAT(fsp, &sbuf) == -1) {
5538                         return map_nt_error_from_unix(errno);
5539                 }
5540         } else {
5541                 if (SMB_VFS_STAT(conn,fsp->fsp_name,&sbuf) == -1) {
5542                         return map_nt_error_from_unix(errno);
5543                 }
5544         }
5545
5546         status = can_rename(conn, fsp, attrs, &sbuf);
5547
5548         if (!NT_STATUS_IS_OK(status)) {
5549                 DEBUG(3,("rename_internals_fsp: Error %s rename %s -> %s\n",
5550                         nt_errstr(status), fsp->fsp_name,newname));
5551                 if (NT_STATUS_EQUAL(status,NT_STATUS_SHARING_VIOLATION))
5552                         status = NT_STATUS_ACCESS_DENIED;
5553                 return status;
5554         }
5555
5556         if (rename_path_prefix_equal(fsp->fsp_name, newname)) {
5557                 return NT_STATUS_ACCESS_DENIED;
5558         }
5559
5560         lck = get_share_mode_lock(talloc_tos(), fsp->file_id, NULL, NULL,
5561                                   NULL);
5562
5563         /*
5564          * We have the file open ourselves, so not being able to get the
5565          * corresponding share mode lock is a fatal error.
5566          */
5567
5568         SMB_ASSERT(lck != NULL);
5569
5570         if(SMB_VFS_RENAME(conn,fsp->fsp_name, newname) == 0) {
5571                 uint32 create_options = fsp->fh->private_options;
5572
5573                 DEBUG(3,("rename_internals_fsp: succeeded doing rename on %s -> %s\n",
5574                         fsp->fsp_name,newname));
5575
5576                 notify_rename(conn, fsp->is_directory, fsp->fsp_name, newname);
5577
5578                 rename_open_files(conn, lck, newname);
5579
5580                 /*
5581                  * A rename acts as a new file create w.r.t. allowing an initial delete
5582                  * on close, probably because in Windows there is a new handle to the
5583                  * new file. If initial delete on close was requested but not
5584                  * originally set, we need to set it here. This is probably not 100% correct,
5585                  * but will work for the CIFSFS client which in non-posix mode
5586                  * depends on these semantics. JRA.
5587                  */
5588
5589                 if (create_options & FILE_DELETE_ON_CLOSE) {
5590                         status = can_set_delete_on_close(fsp, True, 0);
5591
5592                         if (NT_STATUS_IS_OK(status)) {
5593                                 /* Note that here we set the *inital* delete on close flag,
5594                                  * not the regular one. The magic gets handled in close. */
5595                                 fsp->initial_delete_on_close = True;
5596                         }
5597                 }
5598                 TALLOC_FREE(lck);
5599                 return NT_STATUS_OK;
5600         }
5601
5602         TALLOC_FREE(lck);
5603
5604         if (errno == ENOTDIR || errno == EISDIR) {
5605                 status = NT_STATUS_OBJECT_NAME_COLLISION;
5606         } else {
5607                 status = map_nt_error_from_unix(errno);
5608         }
5609
5610         DEBUG(3,("rename_internals_fsp: Error %s rename %s -> %s\n",
5611                 nt_errstr(status), fsp->fsp_name,newname));
5612
5613         return status;
5614 }
5615
5616 /****************************************************************************
5617  The guts of the rename command, split out so it may be called by the NT SMB
5618  code.
5619 ****************************************************************************/
5620
5621 NTSTATUS rename_internals(TALLOC_CTX *ctx,
5622                         connection_struct *conn,
5623                         struct smb_request *req,
5624                         const char *name_in,
5625                         const char *newname_in,
5626                         uint32 attrs,
5627                         bool replace_if_exists,
5628                         bool src_has_wild,
5629                         bool dest_has_wild,
5630                         uint32_t access_mask)
5631 {
5632         char *directory = NULL;
5633         char *mask = NULL;
5634         char *last_component_src = NULL;
5635         char *last_component_dest = NULL;
5636         char *name = NULL;
5637         char *newname = NULL;
5638         char *p;
5639         int count=0;
5640         NTSTATUS status = NT_STATUS_OK;
5641         SMB_STRUCT_STAT sbuf1, sbuf2;
5642         struct smb_Dir *dir_hnd = NULL;
5643         const char *dname;
5644         long offset = 0;
5645         int create_options = 0;
5646
5647         ZERO_STRUCT(sbuf1);
5648         ZERO_STRUCT(sbuf2);
5649
5650         status = unix_convert(ctx, conn, name_in, src_has_wild, &name,
5651                         &last_component_src, &sbuf1);
5652         if (!NT_STATUS_IS_OK(status)) {
5653                 return status;
5654         }
5655
5656         status = unix_convert(ctx, conn, newname_in, dest_has_wild, &newname,
5657                         &last_component_dest, &sbuf2);
5658         if (!NT_STATUS_IS_OK(status)) {
5659                 return status;
5660         }
5661
5662         /*
5663          * Split the old name into directory and last component
5664          * strings. Note that unix_convert may have stripped off a
5665          * leading ./ from both name and newname if the rename is
5666          * at the root of the share. We need to make sure either both
5667          * name and newname contain a / character or neither of them do
5668          * as this is checked in resolve_wildcards().
5669          */
5670
5671         p = strrchr_m(name,'/');
5672         if (!p) {
5673                 directory = talloc_strdup(ctx, ".");
5674                 if (!directory) {
5675                         return NT_STATUS_NO_MEMORY;
5676                 }
5677                 mask = name;
5678         } else {
5679                 *p = 0;
5680                 directory = talloc_strdup(ctx, name);
5681                 if (!directory) {
5682                         return NT_STATUS_NO_MEMORY;
5683                 }
5684                 mask = p+1;
5685                 *p = '/'; /* Replace needed for exceptional test below. */
5686         }
5687
5688         /*
5689          * We should only check the mangled cache
5690          * here if unix_convert failed. This means
5691          * that the path in 'mask' doesn't exist
5692          * on the file system and so we need to look
5693          * for a possible mangle. This patch from
5694          * Tine Smukavec <valentin.smukavec@hermes.si>.
5695          */
5696
5697         if (!VALID_STAT(sbuf1) && mangle_is_mangled(mask, conn->params)) {
5698                 char *new_mask = NULL;
5699                 mangle_lookup_name_from_8_3(ctx,
5700                                         mask,
5701                                         &new_mask,
5702                                         conn->params );
5703                 if (new_mask) {
5704                         mask = new_mask;
5705                 }
5706         }
5707
5708         if (!src_has_wild) {
5709                 files_struct *fsp;
5710
5711                 /*
5712                  * No wildcards - just process the one file.
5713                  */
5714                 bool is_short_name = mangle_is_8_3(name, True, conn->params);
5715
5716                 /* Add a terminating '/' to the directory name. */
5717                 directory = talloc_asprintf_append(directory,
5718                                 "/%s",
5719                                 mask);
5720                 if (!directory) {
5721                         return NT_STATUS_NO_MEMORY;
5722                 }
5723
5724                 /* Ensure newname contains a '/' also */
5725                 if(strrchr_m(newname,'/') == 0) {
5726                         newname = talloc_asprintf(ctx,
5727                                                 "./%s",
5728                                                 newname);
5729                         if (!newname) {
5730                                 return NT_STATUS_NO_MEMORY;
5731                         }
5732                 }
5733
5734                 DEBUG(3, ("rename_internals: case_sensitive = %d, "
5735                           "case_preserve = %d, short case preserve = %d, "
5736                           "directory = %s, newname = %s, "
5737                           "last_component_dest = %s, is_8_3 = %d\n",
5738                           conn->case_sensitive, conn->case_preserve,
5739                           conn->short_case_preserve, directory,
5740                           newname, last_component_dest, is_short_name));
5741
5742                 /* The dest name still may have wildcards. */
5743                 if (dest_has_wild) {
5744                         char *mod_newname = NULL;
5745                         if (!resolve_wildcards(ctx,
5746                                         directory,newname,&mod_newname)) {
5747                                 DEBUG(6, ("rename_internals: resolve_wildcards "
5748                                         "%s %s failed\n",
5749                                         directory,
5750                                         newname));
5751                                 return NT_STATUS_NO_MEMORY;
5752                         }
5753                         newname = mod_newname;
5754                 }
5755
5756                 ZERO_STRUCT(sbuf1);
5757                 SMB_VFS_STAT(conn, directory, &sbuf1);
5758
5759                 if (S_ISDIR(sbuf1.st_mode)) {
5760                         create_options |= FILE_DIRECTORY_FILE;
5761                 }
5762
5763                 status = SMB_VFS_CREATE_FILE(
5764                         conn,                           /* conn */
5765                         req,                            /* req */
5766                         0,                              /* root_dir_fid */
5767                         directory,                      /* fname */
5768                         0,                              /* create_file_flags */
5769                         access_mask,                    /* access_mask */
5770                         (FILE_SHARE_READ |              /* share_access */
5771                             FILE_SHARE_WRITE),
5772                         FILE_OPEN,                      /* create_disposition*/
5773                         create_options,                 /* create_options */
5774                         0,                              /* file_attributes */
5775                         0,                              /* oplock_request */
5776                         0,                              /* allocation_size */
5777                         NULL,                           /* sd */
5778                         NULL,                           /* ea_list */
5779                         &fsp,                           /* result */
5780                         NULL,                           /* pinfo */
5781                         &sbuf1);                        /* psbuf */
5782
5783                 if (!NT_STATUS_IS_OK(status)) {
5784                         DEBUG(3, ("Could not open rename source %s: %s\n",
5785                                   directory, nt_errstr(status)));
5786                         return status;
5787                 }
5788
5789                 status = rename_internals_fsp(conn, fsp, newname,
5790                                               last_component_dest,
5791                                               attrs, replace_if_exists);
5792
5793                 close_file(req, fsp, NORMAL_CLOSE);
5794
5795                 DEBUG(3, ("rename_internals: Error %s rename %s -> %s\n",
5796                           nt_errstr(status), directory,newname));
5797
5798                 return status;
5799         }
5800
5801         /*
5802          * Wildcards - process each file that matches.
5803          */
5804         if (strequal(mask,"????????.???")) {
5805                 mask[0] = '*';
5806                 mask[1] = '\0';
5807         }
5808
5809         status = check_name(conn, directory);
5810         if (!NT_STATUS_IS_OK(status)) {
5811                 return status;
5812         }
5813
5814         dir_hnd = OpenDir(talloc_tos(), conn, directory, mask, attrs);
5815         if (dir_hnd == NULL) {
5816                 return map_nt_error_from_unix(errno);
5817         }
5818
5819         status = NT_STATUS_NO_SUCH_FILE;
5820         /*
5821          * Was status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
5822          * - gentest fix. JRA
5823          */
5824
5825         while ((dname = ReadDirName(dir_hnd, &offset))) {
5826                 files_struct *fsp = NULL;
5827                 char *fname = NULL;
5828                 char *destname = NULL;
5829                 bool sysdir_entry = False;
5830
5831                 /* Quick check for "." and ".." */
5832                 if (ISDOT(dname) || ISDOTDOT(dname)) {
5833                         if (attrs & aDIR) {
5834                                 sysdir_entry = True;
5835                         } else {
5836                                 continue;
5837                         }
5838                 }
5839
5840                 if (!is_visible_file(conn, directory, dname, &sbuf1, False)) {
5841                         continue;
5842                 }
5843
5844                 if(!mask_match(dname, mask, conn->case_sensitive)) {
5845                         continue;
5846                 }
5847
5848                 if (sysdir_entry) {
5849                         status = NT_STATUS_OBJECT_NAME_INVALID;
5850                         break;
5851                 }
5852
5853                 fname = talloc_asprintf(ctx,
5854                                 "%s/%s",
5855                                 directory,
5856                                 dname);
5857                 if (!fname) {
5858                         return NT_STATUS_NO_MEMORY;
5859                 }
5860
5861                 if (!resolve_wildcards(ctx,
5862                                 fname,newname,&destname)) {
5863                         DEBUG(6, ("resolve_wildcards %s %s failed\n",
5864                                   fname, destname));
5865                         TALLOC_FREE(fname);
5866                         continue;
5867                 }
5868                 if (!destname) {
5869                         return NT_STATUS_NO_MEMORY;
5870                 }
5871
5872                 ZERO_STRUCT(sbuf1);
5873                 SMB_VFS_STAT(conn, fname, &sbuf1);
5874
5875                 create_options = 0;
5876
5877                 if (S_ISDIR(sbuf1.st_mode)) {
5878                         create_options |= FILE_DIRECTORY_FILE;
5879                 }
5880
5881                 status = SMB_VFS_CREATE_FILE(
5882                         conn,                           /* conn */
5883                         req,                            /* req */
5884                         0,                              /* root_dir_fid */
5885                         fname,                          /* fname */
5886                         0,                              /* create_file_flags */
5887                         access_mask,                    /* access_mask */
5888                         (FILE_SHARE_READ |              /* share_access */
5889                             FILE_SHARE_WRITE),
5890                         FILE_OPEN,                      /* create_disposition*/
5891                         create_options,                 /* create_options */
5892                         0,                              /* file_attributes */
5893                         0,                              /* oplock_request */
5894                         0,                              /* allocation_size */
5895                         NULL,                           /* sd */
5896                         NULL,                           /* ea_list */
5897                         &fsp,                           /* result */
5898                         NULL,                           /* pinfo */
5899                         &sbuf1);                        /* psbuf */
5900
5901                 if (!NT_STATUS_IS_OK(status)) {
5902                         DEBUG(3,("rename_internals: SMB_VFS_CREATE_FILE "
5903                                  "returned %s rename %s -> %s\n",
5904                                  nt_errstr(status), directory, newname));
5905                         break;
5906                 }
5907
5908                 status = rename_internals_fsp(conn, fsp, destname, dname,
5909                                               attrs, replace_if_exists);
5910
5911                 close_file(req, fsp, NORMAL_CLOSE);
5912
5913                 if (!NT_STATUS_IS_OK(status)) {
5914                         DEBUG(3, ("rename_internals_fsp returned %s for "
5915                                   "rename %s -> %s\n", nt_errstr(status),
5916                                   directory, newname));
5917                         break;
5918                 }
5919
5920                 count++;
5921
5922                 DEBUG(3,("rename_internals: doing rename on %s -> "
5923                          "%s\n",fname,destname));
5924
5925                 TALLOC_FREE(fname);
5926                 TALLOC_FREE(destname);
5927         }
5928         TALLOC_FREE(dir_hnd);
5929
5930         if (count == 0 && NT_STATUS_IS_OK(status) && errno != 0) {
5931                 status = map_nt_error_from_unix(errno);
5932         }
5933
5934         return status;
5935 }
5936
5937 /****************************************************************************
5938  Reply to a mv.
5939 ****************************************************************************/
5940
5941 void reply_mv(struct smb_request *req)
5942 {
5943         connection_struct *conn = req->conn;
5944         char *name = NULL;
5945         char *newname = NULL;
5946         const char *p;
5947         uint32 attrs;
5948         NTSTATUS status;
5949         bool src_has_wcard = False;
5950         bool dest_has_wcard = False;
5951         TALLOC_CTX *ctx = talloc_tos();
5952
5953         START_PROFILE(SMBmv);
5954
5955         if (req->wct < 1) {
5956                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5957                 END_PROFILE(SMBmv);
5958                 return;
5959         }
5960
5961         attrs = SVAL(req->vwv+0, 0);
5962
5963         p = (const char *)req->buf + 1;
5964         p += srvstr_get_path_req_wcard(ctx, req, &name, p, STR_TERMINATE,
5965                                        &status, &src_has_wcard);
5966         if (!NT_STATUS_IS_OK(status)) {
5967                 reply_nterror(req, status);
5968                 END_PROFILE(SMBmv);
5969                 return;
5970         }
5971         p++;
5972         p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
5973                                        &status, &dest_has_wcard);
5974         if (!NT_STATUS_IS_OK(status)) {
5975                 reply_nterror(req, status);
5976                 END_PROFILE(SMBmv);
5977                 return;
5978         }
5979
5980         status = resolve_dfspath_wcard(ctx, conn,
5981                                        req->flags2 & FLAGS2_DFS_PATHNAMES,
5982                                        name,
5983                                        &name,
5984                                        &src_has_wcard);
5985         if (!NT_STATUS_IS_OK(status)) {
5986                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
5987                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
5988                                         ERRSRV, ERRbadpath);
5989                         END_PROFILE(SMBmv);
5990                         return;
5991                 }
5992                 reply_nterror(req, status);
5993                 END_PROFILE(SMBmv);
5994                 return;
5995         }
5996
5997         status = resolve_dfspath_wcard(ctx, conn,
5998                                        req->flags2 & FLAGS2_DFS_PATHNAMES,
5999                                        newname,
6000                                        &newname,
6001                                        &dest_has_wcard);
6002         if (!NT_STATUS_IS_OK(status)) {
6003                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6004                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6005                                         ERRSRV, ERRbadpath);
6006                         END_PROFILE(SMBmv);
6007                         return;
6008                 }
6009                 reply_nterror(req, status);
6010                 END_PROFILE(SMBmv);
6011                 return;
6012         }
6013
6014         DEBUG(3,("reply_mv : %s -> %s\n",name,newname));
6015
6016         status = rename_internals(ctx, conn, req, name, newname, attrs, False,
6017                                   src_has_wcard, dest_has_wcard, DELETE_ACCESS);
6018         if (!NT_STATUS_IS_OK(status)) {
6019                 if (open_was_deferred(req->mid)) {
6020                         /* We have re-scheduled this call. */
6021                         END_PROFILE(SMBmv);
6022                         return;
6023                 }
6024                 reply_nterror(req, status);
6025                 END_PROFILE(SMBmv);
6026                 return;
6027         }
6028
6029         reply_outbuf(req, 0, 0);
6030
6031         END_PROFILE(SMBmv);
6032         return;
6033 }
6034
6035 /*******************************************************************
6036  Copy a file as part of a reply_copy.
6037 ******************************************************************/
6038
6039 /*
6040  * TODO: check error codes on all callers
6041  */
6042
6043 NTSTATUS copy_file(TALLOC_CTX *ctx,
6044                         connection_struct *conn,
6045                         const char *src,
6046                         const char *dest1,
6047                         int ofun,
6048                         int count,
6049                         bool target_is_directory)
6050 {
6051         SMB_STRUCT_STAT src_sbuf, sbuf2;
6052         SMB_OFF_T ret=-1;
6053         files_struct *fsp1,*fsp2;
6054         char *dest = NULL;
6055         uint32 dosattrs;
6056         uint32 new_create_disposition;
6057         NTSTATUS status;
6058
6059         dest = talloc_strdup(ctx, dest1);
6060         if (!dest) {
6061                 return NT_STATUS_NO_MEMORY;
6062         }
6063         if (target_is_directory) {
6064                 const char *p = strrchr_m(src,'/');
6065                 if (p) {
6066                         p++;
6067                 } else {
6068                         p = src;
6069                 }
6070                 dest = talloc_asprintf_append(dest,
6071                                 "/%s",
6072                                 p);
6073                 if (!dest) {
6074                         return NT_STATUS_NO_MEMORY;
6075                 }
6076         }
6077
6078         if (!vfs_file_exist(conn,src,&src_sbuf)) {
6079                 TALLOC_FREE(dest);
6080                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
6081         }
6082
6083         if (!target_is_directory && count) {
6084                 new_create_disposition = FILE_OPEN;
6085         } else {
6086                 if (!map_open_params_to_ntcreate(dest1,0,ofun,
6087                                 NULL, NULL, &new_create_disposition, NULL)) {
6088                         TALLOC_FREE(dest);
6089                         return NT_STATUS_INVALID_PARAMETER;
6090                 }
6091         }
6092
6093         status = SMB_VFS_CREATE_FILE(
6094                 conn,                                   /* conn */
6095                 NULL,                                   /* req */
6096                 0,                                      /* root_dir_fid */
6097                 src,                                    /* fname */
6098                 0,                                      /* create_file_flags */
6099                 FILE_GENERIC_READ,                      /* access_mask */
6100                 FILE_SHARE_READ | FILE_SHARE_WRITE,     /* share_access */
6101                 FILE_OPEN,                              /* create_disposition*/
6102                 0,                                      /* create_options */
6103                 FILE_ATTRIBUTE_NORMAL,                  /* file_attributes */
6104                 INTERNAL_OPEN_ONLY,                     /* oplock_request */
6105                 0,                                      /* allocation_size */
6106                 NULL,                                   /* sd */
6107                 NULL,                                   /* ea_list */
6108                 &fsp1,                                  /* result */
6109                 NULL,                                   /* pinfo */
6110                 &src_sbuf);                             /* psbuf */
6111
6112         if (!NT_STATUS_IS_OK(status)) {
6113                 TALLOC_FREE(dest);
6114                 return status;
6115         }
6116
6117         dosattrs = dos_mode(conn, src, &src_sbuf);
6118         if (SMB_VFS_STAT(conn,dest,&sbuf2) == -1) {
6119                 ZERO_STRUCTP(&sbuf2);
6120         }
6121
6122         status = SMB_VFS_CREATE_FILE(
6123                 conn,                                   /* conn */
6124                 NULL,                                   /* req */
6125                 0,                                      /* root_dir_fid */
6126                 dest,                                   /* fname */
6127                 0,                                      /* create_file_flags */
6128                 FILE_GENERIC_WRITE,                     /* access_mask */
6129                 FILE_SHARE_READ | FILE_SHARE_WRITE,     /* share_access */
6130                 new_create_disposition,                 /* create_disposition*/
6131                 0,                                      /* create_options */
6132                 dosattrs,                               /* file_attributes */
6133                 INTERNAL_OPEN_ONLY,                     /* oplock_request */
6134                 0,                                      /* allocation_size */
6135                 NULL,                                   /* sd */
6136                 NULL,                                   /* ea_list */
6137                 &fsp2,                                  /* result */
6138                 NULL,                                   /* pinfo */
6139                 &sbuf2);                                /* psbuf */
6140
6141         TALLOC_FREE(dest);
6142
6143         if (!NT_STATUS_IS_OK(status)) {
6144                 close_file(NULL, fsp1, ERROR_CLOSE);
6145                 return status;
6146         }
6147
6148         if ((ofun&3) == 1) {
6149                 if(SMB_VFS_LSEEK(fsp2,0,SEEK_END) == -1) {
6150                         DEBUG(0,("copy_file: error - vfs lseek returned error %s\n", strerror(errno) ));
6151                         /*
6152                          * Stop the copy from occurring.
6153                          */
6154                         ret = -1;
6155                         src_sbuf.st_size = 0;
6156                 }
6157         }
6158
6159         if (src_sbuf.st_size) {
6160                 ret = vfs_transfer_file(fsp1, fsp2, src_sbuf.st_size);
6161         }
6162
6163         close_file(NULL, fsp1, NORMAL_CLOSE);
6164
6165         /* Ensure the modtime is set correctly on the destination file. */
6166         set_close_write_time(fsp2, get_mtimespec(&src_sbuf));
6167
6168         /*
6169          * As we are opening fsp1 read-only we only expect
6170          * an error on close on fsp2 if we are out of space.
6171          * Thus we don't look at the error return from the
6172          * close of fsp1.
6173          */
6174         status = close_file(NULL, fsp2, NORMAL_CLOSE);
6175
6176         if (!NT_STATUS_IS_OK(status)) {
6177                 return status;
6178         }
6179
6180         if (ret != (SMB_OFF_T)src_sbuf.st_size) {
6181                 return NT_STATUS_DISK_FULL;
6182         }
6183
6184         return NT_STATUS_OK;
6185 }
6186
6187 /****************************************************************************
6188  Reply to a file copy.
6189 ****************************************************************************/
6190
6191 void reply_copy(struct smb_request *req)
6192 {
6193         connection_struct *conn = req->conn;
6194         char *name = NULL;
6195         char *newname = NULL;
6196         char *directory = NULL;
6197         const char *mask = NULL;
6198         const char mask_star[] = "*";
6199         const char *p;
6200         int count=0;
6201         int error = ERRnoaccess;
6202         int err = 0;
6203         int tid2;
6204         int ofun;
6205         int flags;
6206         bool target_is_directory=False;
6207         bool source_has_wild = False;
6208         bool dest_has_wild = False;
6209         SMB_STRUCT_STAT sbuf1, sbuf2;
6210         NTSTATUS status;
6211         TALLOC_CTX *ctx = talloc_tos();
6212
6213         START_PROFILE(SMBcopy);
6214
6215         if (req->wct < 3) {
6216                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6217                 END_PROFILE(SMBcopy);
6218                 return;
6219         }
6220
6221         tid2 = SVAL(req->vwv+0, 0);
6222         ofun = SVAL(req->vwv+1, 0);
6223         flags = SVAL(req->vwv+2, 0);
6224
6225         p = (const char *)req->buf;
6226         p += srvstr_get_path_req_wcard(ctx, req, &name, p, STR_TERMINATE,
6227                                        &status, &source_has_wild);
6228         if (!NT_STATUS_IS_OK(status)) {
6229                 reply_nterror(req, status);
6230                 END_PROFILE(SMBcopy);
6231                 return;
6232         }
6233         p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
6234                                        &status, &dest_has_wild);
6235         if (!NT_STATUS_IS_OK(status)) {
6236                 reply_nterror(req, status);
6237                 END_PROFILE(SMBcopy);
6238                 return;
6239         }
6240
6241         DEBUG(3,("reply_copy : %s -> %s\n",name,newname));
6242
6243         if (tid2 != conn->cnum) {
6244                 /* can't currently handle inter share copies XXXX */
6245                 DEBUG(3,("Rejecting inter-share copy\n"));
6246                 reply_doserror(req, ERRSRV, ERRinvdevice);
6247                 END_PROFILE(SMBcopy);
6248                 return;
6249         }
6250
6251         status = resolve_dfspath_wcard(ctx, conn,
6252                                        req->flags2 & FLAGS2_DFS_PATHNAMES,
6253                                        name,
6254                                        &name,
6255                                        &source_has_wild);
6256         if (!NT_STATUS_IS_OK(status)) {
6257                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6258                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6259                                         ERRSRV, ERRbadpath);
6260                         END_PROFILE(SMBcopy);
6261                         return;
6262                 }
6263                 reply_nterror(req, status);
6264                 END_PROFILE(SMBcopy);
6265                 return;
6266         }
6267
6268         status = resolve_dfspath_wcard(ctx, conn,
6269                                        req->flags2 & FLAGS2_DFS_PATHNAMES,
6270                                        newname,
6271                                        &newname,
6272                                        &dest_has_wild);
6273         if (!NT_STATUS_IS_OK(status)) {
6274                 if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6275                         reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6276                                         ERRSRV, ERRbadpath);
6277                         END_PROFILE(SMBcopy);
6278                         return;
6279                 }
6280                 reply_nterror(req, status);
6281                 END_PROFILE(SMBcopy);
6282                 return;
6283         }
6284
6285         status = unix_convert(ctx, conn, name, source_has_wild,
6286                         &name, NULL, &sbuf1);
6287         if (!NT_STATUS_IS_OK(status)) {
6288                 reply_nterror(req, status);
6289                 END_PROFILE(SMBcopy);
6290                 return;
6291         }
6292
6293         status = unix_convert(ctx, conn, newname, dest_has_wild,
6294                         &newname, NULL, &sbuf2);
6295         if (!NT_STATUS_IS_OK(status)) {
6296                 reply_nterror(req, status);
6297                 END_PROFILE(SMBcopy);
6298                 return;
6299         }
6300
6301         target_is_directory = VALID_STAT_OF_DIR(sbuf2);
6302
6303         if ((flags&1) && target_is_directory) {
6304                 reply_doserror(req, ERRDOS, ERRbadfile);
6305                 END_PROFILE(SMBcopy);
6306                 return;
6307         }
6308
6309         if ((flags&2) && !target_is_directory) {
6310                 reply_doserror(req, ERRDOS, ERRbadpath);
6311                 END_PROFILE(SMBcopy);
6312                 return;
6313         }
6314
6315         if ((flags&(1<<5)) && VALID_STAT_OF_DIR(sbuf1)) {
6316                 /* wants a tree copy! XXXX */
6317                 DEBUG(3,("Rejecting tree copy\n"));
6318                 reply_doserror(req, ERRSRV, ERRerror);
6319                 END_PROFILE(SMBcopy);
6320                 return;
6321         }
6322
6323         p = strrchr_m(name,'/');
6324         if (p != NULL) {
6325                 directory = talloc_strndup(ctx, name, PTR_DIFF(p, name));
6326                 mask = p+1;
6327         } else {
6328                 directory = talloc_strdup(ctx, "./");
6329                 mask = name;
6330         }
6331
6332         if (!directory) {
6333                 reply_nterror(req, NT_STATUS_NO_MEMORY);
6334                 END_PROFILE(SMBcopy);
6335                 return;
6336         }
6337
6338         /*
6339          * We should only check the mangled cache
6340          * here if unix_convert failed. This means
6341          * that the path in 'mask' doesn't exist
6342          * on the file system and so we need to look
6343          * for a possible mangle. This patch from
6344          * Tine Smukavec <valentin.smukavec@hermes.si>.
6345          */
6346
6347         if (!VALID_STAT(sbuf1) && mangle_is_mangled(mask, conn->params)) {
6348                 char *new_mask = NULL;
6349                 mangle_lookup_name_from_8_3(ctx,
6350                                         mask,
6351                                         &new_mask,
6352                                         conn->params );
6353                 if (new_mask) {
6354                         mask = new_mask;
6355                 }
6356         }
6357
6358         if (!source_has_wild) {
6359                 directory = talloc_asprintf_append(directory,
6360                                 "/%s",
6361                                 mask);
6362                 if (dest_has_wild) {
6363                         char *mod_newname = NULL;
6364                         if (!resolve_wildcards(ctx,
6365                                         directory,newname,&mod_newname)) {
6366                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
6367                                 END_PROFILE(SMBcopy);
6368                                 return;
6369                         }
6370                         newname = mod_newname;
6371                 }
6372
6373                 status = check_name(conn, directory);
6374                 if (!NT_STATUS_IS_OK(status)) {
6375                         reply_nterror(req, status);
6376                         END_PROFILE(SMBcopy);
6377                         return;
6378                 }
6379
6380                 status = check_name(conn, newname);
6381                 if (!NT_STATUS_IS_OK(status)) {
6382                         reply_nterror(req, status);
6383                         END_PROFILE(SMBcopy);
6384                         return;
6385                 }
6386
6387                 status = copy_file(ctx,conn,directory,newname,ofun,
6388                                 count,target_is_directory);
6389
6390                 if(!NT_STATUS_IS_OK(status)) {
6391                         reply_nterror(req, status);
6392                         END_PROFILE(SMBcopy);
6393                         return;
6394                 } else {
6395                         count++;
6396                 }
6397         } else {
6398                 struct smb_Dir *dir_hnd = NULL;
6399                 const char *dname = NULL;
6400                 long offset = 0;
6401
6402                 if (strequal(mask,"????????.???")) {
6403                         mask = mask_star;
6404                 }
6405
6406                 status = check_name(conn, directory);
6407                 if (!NT_STATUS_IS_OK(status)) {
6408                         reply_nterror(req, status);
6409                         END_PROFILE(SMBcopy);
6410                         return;
6411                 }
6412
6413                 dir_hnd = OpenDir(talloc_tos(), conn, directory, mask, 0);
6414                 if (dir_hnd == NULL) {
6415                         status = map_nt_error_from_unix(errno);
6416                         reply_nterror(req, status);
6417                         END_PROFILE(SMBcopy);
6418                         return;
6419                 }
6420
6421                 error = ERRbadfile;
6422
6423                 while ((dname = ReadDirName(dir_hnd, &offset))) {
6424                         char *destname = NULL;
6425                         char *fname = NULL;
6426
6427                         if (ISDOT(dname) || ISDOTDOT(dname)) {
6428                                 continue;
6429                         }
6430
6431                         if (!is_visible_file(conn, directory, dname, &sbuf1, False)) {
6432                                 continue;
6433                         }
6434
6435                         if(!mask_match(dname, mask, conn->case_sensitive)) {
6436                                 continue;
6437                         }
6438
6439                         error = ERRnoaccess;
6440                         fname = talloc_asprintf(ctx,
6441                                         "%s/%s",
6442                                         directory,
6443                                         dname);
6444                         if (!fname) {
6445                                 TALLOC_FREE(dir_hnd);
6446                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
6447                                 END_PROFILE(SMBcopy);
6448                                 return;
6449                         }
6450
6451                         if (!resolve_wildcards(ctx,
6452                                         fname,newname,&destname)) {
6453                                 continue;
6454                         }
6455                         if (!destname) {
6456                                 TALLOC_FREE(dir_hnd);
6457                                 reply_nterror(req, NT_STATUS_NO_MEMORY);
6458                                 END_PROFILE(SMBcopy);
6459                                 return;
6460                         }
6461
6462                         status = check_name(conn, fname);
6463                         if (!NT_STATUS_IS_OK(status)) {
6464                                 TALLOC_FREE(dir_hnd);
6465                                 reply_nterror(req, status);
6466                                 END_PROFILE(SMBcopy);
6467                                 return;
6468                         }
6469
6470                         status = check_name(conn, destname);
6471                         if (!NT_STATUS_IS_OK(status)) {
6472                                 TALLOC_FREE(dir_hnd);
6473                                 reply_nterror(req, status);
6474                                 END_PROFILE(SMBcopy);
6475                                 return;
6476                         }
6477
6478                         DEBUG(3,("reply_copy : doing copy on %s -> %s\n",fname, destname));
6479
6480                         status = copy_file(ctx,conn,fname,destname,ofun,
6481                                         count,target_is_directory);
6482                         if (NT_STATUS_IS_OK(status)) {
6483                                 count++;
6484                         }
6485                         TALLOC_FREE(fname);
6486                         TALLOC_FREE(destname);
6487                 }
6488                 TALLOC_FREE(dir_hnd);
6489         }
6490
6491         if (count == 0) {
6492                 if(err) {
6493                         /* Error on close... */
6494                         errno = err;
6495                         reply_unixerror(req, ERRHRD, ERRgeneral);
6496                         END_PROFILE(SMBcopy);
6497                         return;
6498                 }
6499
6500                 reply_doserror(req, ERRDOS, error);
6501                 END_PROFILE(SMBcopy);
6502                 return;
6503         }
6504
6505         reply_outbuf(req, 1, 0);
6506         SSVAL(req->outbuf,smb_vwv0,count);
6507
6508         END_PROFILE(SMBcopy);
6509         return;
6510 }
6511
6512 #undef DBGC_CLASS
6513 #define DBGC_CLASS DBGC_LOCKING
6514
6515 /****************************************************************************
6516  Get a lock pid, dealing with large count requests.
6517 ****************************************************************************/
6518
6519 uint32 get_lock_pid(const uint8_t *data, int data_offset,
6520                     bool large_file_format)
6521 {
6522         if(!large_file_format)
6523                 return (uint32)SVAL(data,SMB_LPID_OFFSET(data_offset));
6524         else
6525                 return (uint32)SVAL(data,SMB_LARGE_LPID_OFFSET(data_offset));
6526 }
6527
6528 /****************************************************************************
6529  Get a lock count, dealing with large count requests.
6530 ****************************************************************************/
6531
6532 uint64_t get_lock_count(const uint8_t *data, int data_offset,
6533                         bool large_file_format)
6534 {
6535         uint64_t count = 0;
6536
6537         if(!large_file_format) {
6538                 count = (uint64_t)IVAL(data,SMB_LKLEN_OFFSET(data_offset));
6539         } else {
6540
6541 #if defined(HAVE_LONGLONG)
6542                 count = (((uint64_t) IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset))) << 32) |
6543                         ((uint64_t) IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset)));
6544 #else /* HAVE_LONGLONG */
6545
6546                 /*
6547                  * NT4.x seems to be broken in that it sends large file (64 bit)
6548                  * lockingX calls even if the CAP_LARGE_FILES was *not*
6549                  * negotiated. For boxes without large unsigned ints truncate the
6550                  * lock count by dropping the top 32 bits.
6551                  */
6552
6553                 if(IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset)) != 0) {
6554                         DEBUG(3,("get_lock_count: truncating lock count (high)0x%x (low)0x%x to just low count.\n",
6555                                 (unsigned int)IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset)),
6556                                 (unsigned int)IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset)) ));
6557                                 SIVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset),0);
6558                 }
6559
6560                 count = (uint64_t)IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset));
6561 #endif /* HAVE_LONGLONG */
6562         }
6563
6564         return count;
6565 }
6566
6567 #if !defined(HAVE_LONGLONG)
6568 /****************************************************************************
6569  Pathetically try and map a 64 bit lock offset into 31 bits. I hate Windows :-).
6570 ****************************************************************************/
6571
6572 static uint32 map_lock_offset(uint32 high, uint32 low)
6573 {
6574         unsigned int i;
6575         uint32 mask = 0;
6576         uint32 highcopy = high;
6577
6578         /*
6579          * Try and find out how many significant bits there are in high.
6580          */
6581
6582         for(i = 0; highcopy; i++)
6583                 highcopy >>= 1;
6584
6585         /*
6586          * We use 31 bits not 32 here as POSIX
6587          * lock offsets may not be negative.
6588          */
6589
6590         mask = (~0) << (31 - i);
6591
6592         if(low & mask)
6593                 return 0; /* Fail. */
6594
6595         high <<= (31 - i);
6596
6597         return (high|low);
6598 }
6599 #endif /* !defined(HAVE_LONGLONG) */
6600
6601 /****************************************************************************
6602  Get a lock offset, dealing with large offset requests.
6603 ****************************************************************************/
6604
6605 uint64_t get_lock_offset(const uint8_t *data, int data_offset,
6606                          bool large_file_format, bool *err)
6607 {
6608         uint64_t offset = 0;
6609
6610         *err = False;
6611
6612         if(!large_file_format) {
6613                 offset = (uint64_t)IVAL(data,SMB_LKOFF_OFFSET(data_offset));
6614         } else {
6615
6616 #if defined(HAVE_LONGLONG)
6617                 offset = (((uint64_t) IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset))) << 32) |
6618                                 ((uint64_t) IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset)));
6619 #else /* HAVE_LONGLONG */
6620
6621                 /*
6622                  * NT4.x seems to be broken in that it sends large file (64 bit)
6623                  * lockingX calls even if the CAP_LARGE_FILES was *not*
6624                  * negotiated. For boxes without large unsigned ints mangle the
6625                  * lock offset by mapping the top 32 bits onto the lower 32.
6626                  */
6627
6628                 if(IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset)) != 0) {
6629                         uint32 low = IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset));
6630                         uint32 high = IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset));
6631                         uint32 new_low = 0;
6632
6633                         if((new_low = map_lock_offset(high, low)) == 0) {
6634                                 *err = True;
6635                                 return (uint64_t)-1;
6636                         }
6637
6638                         DEBUG(3,("get_lock_offset: truncating lock offset (high)0x%x (low)0x%x to offset 0x%x.\n",
6639                                 (unsigned int)high, (unsigned int)low, (unsigned int)new_low ));
6640                         SIVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset),0);
6641                         SIVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset),new_low);
6642                 }
6643
6644                 offset = (uint64_t)IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset));
6645 #endif /* HAVE_LONGLONG */
6646         }
6647
6648         return offset;
6649 }
6650
6651 /****************************************************************************
6652  Reply to a lockingX request.
6653 ****************************************************************************/
6654
6655 void reply_lockingX(struct smb_request *req)
6656 {
6657         connection_struct *conn = req->conn;
6658         files_struct *fsp;
6659         unsigned char locktype;
6660         unsigned char oplocklevel;
6661         uint16 num_ulocks;
6662         uint16 num_locks;
6663         uint64_t count = 0, offset = 0;
6664         uint32 lock_pid;
6665         int32 lock_timeout;
6666         int i;
6667         const uint8_t *data;
6668         bool large_file_format;
6669         bool err;
6670         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
6671
6672         START_PROFILE(SMBlockingX);
6673
6674         if (req->wct < 8) {
6675                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6676                 END_PROFILE(SMBlockingX);
6677                 return;
6678         }
6679
6680         fsp = file_fsp(req, SVAL(req->vwv+2, 0));
6681         locktype = CVAL(req->vwv+3, 0);
6682         oplocklevel = CVAL(req->vwv+3, 1);
6683         num_ulocks = SVAL(req->vwv+6, 0);
6684         num_locks = SVAL(req->vwv+7, 0);
6685         lock_timeout = IVAL(req->vwv+4, 0);
6686         large_file_format = (locktype & LOCKING_ANDX_LARGE_FILES)?True:False;
6687
6688         if (!check_fsp(conn, req, fsp)) {
6689                 END_PROFILE(SMBlockingX);
6690                 return;
6691         }
6692
6693         data = req->buf;
6694
6695         if (locktype & LOCKING_ANDX_CHANGE_LOCKTYPE) {
6696                 /* we don't support these - and CANCEL_LOCK makes w2k
6697                    and XP reboot so I don't really want to be
6698                    compatible! (tridge) */
6699                 reply_nterror(req, NT_STATUS_DOS(ERRDOS, ERRnoatomiclocks));
6700                 END_PROFILE(SMBlockingX);
6701                 return;
6702         }
6703
6704         /* Check if this is an oplock break on a file
6705            we have granted an oplock on.
6706         */
6707         if ((locktype & LOCKING_ANDX_OPLOCK_RELEASE)) {
6708                 /* Client can insist on breaking to none. */
6709                 bool break_to_none = (oplocklevel == 0);
6710                 bool result;
6711
6712                 DEBUG(5,("reply_lockingX: oplock break reply (%u) from client "
6713                          "for fnum = %d\n", (unsigned int)oplocklevel,
6714                          fsp->fnum ));
6715
6716                 /*
6717                  * Make sure we have granted an exclusive or batch oplock on
6718                  * this file.
6719                  */
6720
6721                 if (fsp->oplock_type == 0) {
6722
6723                         /* The Samba4 nbench simulator doesn't understand
6724                            the difference between break to level2 and break
6725                            to none from level2 - it sends oplock break
6726                            replies in both cases. Don't keep logging an error
6727                            message here - just ignore it. JRA. */
6728
6729                         DEBUG(5,("reply_lockingX: Error : oplock break from "
6730                                  "client for fnum = %d (oplock=%d) and no "
6731                                  "oplock granted on this file (%s).\n",
6732                                  fsp->fnum, fsp->oplock_type, fsp->fsp_name));
6733
6734                         /* if this is a pure oplock break request then don't
6735                          * send a reply */
6736                         if (num_locks == 0 && num_ulocks == 0) {
6737                                 END_PROFILE(SMBlockingX);
6738                                 return;
6739                         } else {
6740                                 END_PROFILE(SMBlockingX);
6741                                 reply_doserror(req, ERRDOS, ERRlock);
6742                                 return;
6743                         }
6744                 }
6745
6746                 if ((fsp->sent_oplock_break == BREAK_TO_NONE_SENT) ||
6747                     (break_to_none)) {
6748                         result = remove_oplock(fsp);
6749                 } else {
6750                         result = downgrade_oplock(fsp);
6751                 }
6752
6753                 if (!result) {
6754                         DEBUG(0, ("reply_lockingX: error in removing "
6755                                   "oplock on file %s\n", fsp->fsp_name));
6756                         /* Hmmm. Is this panic justified? */
6757                         smb_panic("internal tdb error");
6758                 }
6759
6760                 reply_to_oplock_break_requests(fsp);
6761
6762                 /* if this is a pure oplock break request then don't send a
6763                  * reply */
6764                 if (num_locks == 0 && num_ulocks == 0) {
6765                         /* Sanity check - ensure a pure oplock break is not a
6766                            chained request. */
6767                         if(CVAL(req->vwv+0, 0) != 0xff)
6768                                 DEBUG(0,("reply_lockingX: Error : pure oplock "
6769                                          "break is a chained %d request !\n",
6770                                          (unsigned int)CVAL(req->vwv+0, 0)));
6771                         END_PROFILE(SMBlockingX);
6772                         return;
6773                 }
6774         }
6775
6776         /*
6777          * We do this check *after* we have checked this is not a oplock break
6778          * response message. JRA.
6779          */
6780
6781         release_level_2_oplocks_on_change(fsp);
6782
6783         if (req->buflen <
6784             (num_ulocks + num_locks) * (large_file_format ? 20 : 10)) {
6785                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6786                 END_PROFILE(SMBlockingX);
6787                 return;
6788         }
6789
6790         /* Data now points at the beginning of the list
6791            of smb_unlkrng structs */
6792         for(i = 0; i < (int)num_ulocks; i++) {
6793                 lock_pid = get_lock_pid( data, i, large_file_format);
6794                 count = get_lock_count( data, i, large_file_format);
6795                 offset = get_lock_offset( data, i, large_file_format, &err);
6796
6797                 /*
6798                  * There is no error code marked "stupid client bug".... :-).
6799                  */
6800                 if(err) {
6801                         END_PROFILE(SMBlockingX);
6802                         reply_doserror(req, ERRDOS, ERRnoaccess);
6803                         return;
6804                 }
6805
6806                 DEBUG(10,("reply_lockingX: unlock start=%.0f, len=%.0f for "
6807                           "pid %u, file %s\n", (double)offset, (double)count,
6808                           (unsigned int)lock_pid, fsp->fsp_name ));
6809
6810                 status = do_unlock(smbd_messaging_context(),
6811                                 fsp,
6812                                 lock_pid,
6813                                 count,
6814                                 offset,
6815                                 WINDOWS_LOCK);
6816
6817                 if (NT_STATUS_V(status)) {
6818                         END_PROFILE(SMBlockingX);
6819                         reply_nterror(req, status);
6820                         return;
6821                 }
6822         }
6823
6824         /* Setup the timeout in seconds. */
6825
6826         if (!lp_blocking_locks(SNUM(conn))) {
6827                 lock_timeout = 0;
6828         }
6829
6830         /* Now do any requested locks */
6831         data += ((large_file_format ? 20 : 10)*num_ulocks);
6832
6833         /* Data now points at the beginning of the list
6834            of smb_lkrng structs */
6835
6836         for(i = 0; i < (int)num_locks; i++) {
6837                 enum brl_type lock_type = ((locktype & LOCKING_ANDX_SHARED_LOCK) ?
6838                                 READ_LOCK:WRITE_LOCK);
6839                 lock_pid = get_lock_pid( data, i, large_file_format);
6840                 count = get_lock_count( data, i, large_file_format);
6841                 offset = get_lock_offset( data, i, large_file_format, &err);
6842
6843                 /*
6844                  * There is no error code marked "stupid client bug".... :-).
6845                  */
6846                 if(err) {
6847                         END_PROFILE(SMBlockingX);
6848                         reply_doserror(req, ERRDOS, ERRnoaccess);
6849                         return;
6850                 }
6851
6852                 DEBUG(10,("reply_lockingX: lock start=%.0f, len=%.0f for pid "
6853                           "%u, file %s timeout = %d\n", (double)offset,
6854                           (double)count, (unsigned int)lock_pid,
6855                           fsp->fsp_name, (int)lock_timeout ));
6856
6857                 if (locktype & LOCKING_ANDX_CANCEL_LOCK) {
6858                         if (lp_blocking_locks(SNUM(conn))) {
6859
6860                                 /* Schedule a message to ourselves to
6861                                    remove the blocking lock record and
6862                                    return the right error. */
6863
6864                                 if (!blocking_lock_cancel(fsp,
6865                                                 lock_pid,
6866                                                 offset,
6867                                                 count,
6868                                                 WINDOWS_LOCK,
6869                                                 locktype,
6870                                                 NT_STATUS_FILE_LOCK_CONFLICT)) {
6871                                         END_PROFILE(SMBlockingX);
6872                                         reply_nterror(
6873                                                 req,
6874                                                 NT_STATUS_DOS(
6875                                                         ERRDOS,
6876                                                         ERRcancelviolation));
6877                                         return;
6878                                 }
6879                         }
6880                         /* Remove a matching pending lock. */
6881                         status = do_lock_cancel(fsp,
6882                                                 lock_pid,
6883                                                 count,
6884                                                 offset,
6885                                                 WINDOWS_LOCK);
6886                 } else {
6887                         bool blocking_lock = lock_timeout ? True : False;
6888                         bool defer_lock = False;
6889                         struct byte_range_lock *br_lck;
6890                         uint32 block_smbpid;
6891
6892                         br_lck = do_lock(smbd_messaging_context(),
6893                                         fsp,
6894                                         lock_pid,
6895                                         count,
6896                                         offset,
6897                                         lock_type,
6898                                         WINDOWS_LOCK,
6899                                         blocking_lock,
6900                                         &status,
6901                                         &block_smbpid);
6902
6903                         if (br_lck && blocking_lock && ERROR_WAS_LOCK_DENIED(status)) {
6904                                 /* Windows internal resolution for blocking locks seems
6905                                    to be about 200ms... Don't wait for less than that. JRA. */
6906                                 if (lock_timeout != -1 && lock_timeout < lp_lock_spin_time()) {
6907                                         lock_timeout = lp_lock_spin_time();
6908                                 }
6909                                 defer_lock = True;
6910                         }
6911
6912                         /* This heuristic seems to match W2K3 very well. If a
6913                            lock sent with timeout of zero would fail with NT_STATUS_FILE_LOCK_CONFLICT
6914                            it pretends we asked for a timeout of between 150 - 300 milliseconds as
6915                            far as I can tell. Replacement for do_lock_spin(). JRA. */
6916
6917                         if (br_lck && lp_blocking_locks(SNUM(conn)) && !blocking_lock &&
6918                                         NT_STATUS_EQUAL((status), NT_STATUS_FILE_LOCK_CONFLICT)) {
6919                                 defer_lock = True;
6920                                 lock_timeout = lp_lock_spin_time();
6921                         }
6922
6923                         if (br_lck && defer_lock) {
6924                                 /*
6925                                  * A blocking lock was requested. Package up
6926                                  * this smb into a queued request and push it
6927                                  * onto the blocking lock queue.
6928                                  */
6929                                 if(push_blocking_lock_request(br_lck,
6930                                                         req,
6931                                                         fsp,
6932                                                         lock_timeout,
6933                                                         i,
6934                                                         lock_pid,
6935                                                         lock_type,
6936                                                         WINDOWS_LOCK,
6937                                                         offset,
6938                                                         count,
6939                                                         block_smbpid)) {
6940                                         TALLOC_FREE(br_lck);
6941                                         END_PROFILE(SMBlockingX);
6942                                         return;
6943                                 }
6944                         }
6945
6946                         TALLOC_FREE(br_lck);
6947                 }
6948
6949                 if (NT_STATUS_V(status)) {
6950                         END_PROFILE(SMBlockingX);
6951                         reply_nterror(req, status);
6952                         return;
6953                 }
6954         }
6955
6956         /* If any of the above locks failed, then we must unlock
6957            all of the previous locks (X/Open spec). */
6958
6959         if (!(locktype & LOCKING_ANDX_CANCEL_LOCK) &&
6960                         (i != num_locks) &&
6961                         (num_locks != 0)) {
6962                 /*
6963                  * Ensure we don't do a remove on the lock that just failed,
6964                  * as under POSIX rules, if we have a lock already there, we
6965                  * will delete it (and we shouldn't) .....
6966                  */
6967                 for(i--; i >= 0; i--) {
6968                         lock_pid = get_lock_pid( data, i, large_file_format);
6969                         count = get_lock_count( data, i, large_file_format);
6970                         offset = get_lock_offset( data, i, large_file_format,
6971                                                   &err);
6972
6973                         /*
6974                          * There is no error code marked "stupid client
6975                          * bug".... :-).
6976                          */
6977                         if(err) {
6978                                 END_PROFILE(SMBlockingX);
6979                                 reply_doserror(req, ERRDOS, ERRnoaccess);
6980                                 return;
6981                         }
6982
6983                         do_unlock(smbd_messaging_context(),
6984                                 fsp,
6985                                 lock_pid,
6986                                 count,
6987                                 offset,
6988                                 WINDOWS_LOCK);
6989                 }
6990                 END_PROFILE(SMBlockingX);
6991                 reply_nterror(req, status);
6992                 return;
6993         }
6994
6995         reply_outbuf(req, 2, 0);
6996
6997         DEBUG(3, ("lockingX fnum=%d type=%d num_locks=%d num_ulocks=%d\n",
6998                   fsp->fnum, (unsigned int)locktype, num_locks, num_ulocks));
6999
7000         END_PROFILE(SMBlockingX);
7001         chain_reply(req);
7002 }
7003
7004 #undef DBGC_CLASS
7005 #define DBGC_CLASS DBGC_ALL
7006
7007 /****************************************************************************
7008  Reply to a SMBreadbmpx (read block multiplex) request.
7009  Always reply with an error, if someone has a platform really needs this,
7010  please contact vl@samba.org
7011 ****************************************************************************/
7012
7013 void reply_readbmpx(struct smb_request *req)
7014 {
7015         START_PROFILE(SMBreadBmpx);
7016         reply_doserror(req, ERRSRV, ERRuseSTD);
7017         END_PROFILE(SMBreadBmpx);
7018         return;
7019 }
7020
7021 /****************************************************************************
7022  Reply to a SMBreadbs (read block multiplex secondary) request.
7023  Always reply with an error, if someone has a platform really needs this,
7024  please contact vl@samba.org
7025 ****************************************************************************/
7026
7027 void reply_readbs(struct smb_request *req)
7028 {
7029         START_PROFILE(SMBreadBs);
7030         reply_doserror(req, ERRSRV, ERRuseSTD);
7031         END_PROFILE(SMBreadBs);
7032         return;
7033 }
7034
7035 /****************************************************************************
7036  Reply to a SMBsetattrE.
7037 ****************************************************************************/
7038
7039 void reply_setattrE(struct smb_request *req)
7040 {
7041         connection_struct *conn = req->conn;
7042         struct timespec ts[2];
7043         files_struct *fsp;
7044         SMB_STRUCT_STAT sbuf;
7045         NTSTATUS status;
7046
7047         START_PROFILE(SMBsetattrE);
7048
7049         if (req->wct < 7) {
7050                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7051                 END_PROFILE(SMBsetattrE);
7052                 return;
7053         }
7054
7055         fsp = file_fsp(req, SVAL(req->vwv+0, 0));
7056
7057         if(!fsp || (fsp->conn != conn)) {
7058                 reply_doserror(req, ERRDOS, ERRbadfid);
7059                 END_PROFILE(SMBsetattrE);
7060                 return;
7061         }
7062
7063
7064         /*
7065          * Convert the DOS times into unix times. Ignore create
7066          * time as UNIX can't set this.
7067          */
7068
7069         ts[0] = convert_time_t_to_timespec(
7070                 srv_make_unix_date2(req->vwv+3)); /* atime. */
7071         ts[1] = convert_time_t_to_timespec(
7072                 srv_make_unix_date2(req->vwv+5)); /* mtime. */
7073
7074         reply_outbuf(req, 0, 0);
7075
7076         /*
7077          * Patch from Ray Frush <frush@engr.colostate.edu>
7078          * Sometimes times are sent as zero - ignore them.
7079          */
7080
7081         /* Ensure we have a valid stat struct for the source. */
7082         if (fsp->fh->fd != -1) {
7083                 if (SMB_VFS_FSTAT(fsp, &sbuf) == -1) {
7084                         status = map_nt_error_from_unix(errno);
7085                         reply_nterror(req, status);
7086                         END_PROFILE(SMBsetattrE);
7087                         return;
7088                 }
7089         } else {
7090                 if (SMB_VFS_STAT(conn, fsp->fsp_name, &sbuf) == -1) {
7091                         status = map_nt_error_from_unix(errno);
7092                         reply_nterror(req, status);
7093                         END_PROFILE(SMBsetattrE);
7094                         return;
7095                 }
7096         }
7097
7098         status = smb_set_file_time(conn, fsp, fsp->fsp_name,
7099                                    &sbuf, ts, true);
7100         if (!NT_STATUS_IS_OK(status)) {
7101                 reply_doserror(req, ERRDOS, ERRnoaccess);
7102                 END_PROFILE(SMBsetattrE);
7103                 return;
7104         }
7105
7106         DEBUG( 3, ( "reply_setattrE fnum=%d actime=%u modtime=%u\n",
7107                 fsp->fnum,
7108                 (unsigned int)ts[0].tv_sec,
7109                 (unsigned int)ts[1].tv_sec));
7110
7111         END_PROFILE(SMBsetattrE);
7112         return;
7113 }
7114
7115
7116 /* Back from the dead for OS/2..... JRA. */
7117
7118 /****************************************************************************
7119  Reply to a SMBwritebmpx (write block multiplex primary) request.
7120  Always reply with an error, if someone has a platform really needs this,
7121  please contact vl@samba.org
7122 ****************************************************************************/
7123
7124 void reply_writebmpx(struct smb_request *req)
7125 {
7126         START_PROFILE(SMBwriteBmpx);
7127         reply_doserror(req, ERRSRV, ERRuseSTD);
7128         END_PROFILE(SMBwriteBmpx);
7129         return;
7130 }
7131
7132 /****************************************************************************
7133  Reply to a SMBwritebs (write block multiplex secondary) request.
7134  Always reply with an error, if someone has a platform really needs this,
7135  please contact vl@samba.org
7136 ****************************************************************************/
7137
7138 void reply_writebs(struct smb_request *req)
7139 {
7140         START_PROFILE(SMBwriteBs);
7141         reply_doserror(req, ERRSRV, ERRuseSTD);
7142         END_PROFILE(SMBwriteBs);
7143         return;
7144 }
7145
7146 /****************************************************************************
7147  Reply to a SMBgetattrE.
7148 ****************************************************************************/
7149
7150 void reply_getattrE(struct smb_request *req)
7151 {
7152         connection_struct *conn = req->conn;
7153         SMB_STRUCT_STAT sbuf;
7154         int mode;
7155         files_struct *fsp;
7156         struct timespec create_ts;
7157
7158         START_PROFILE(SMBgetattrE);
7159
7160         if (req->wct < 1) {
7161                 reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7162                 END_PROFILE(SMBgetattrE);
7163                 return;
7164         }
7165
7166         fsp = file_fsp(req, SVAL(req->vwv+0, 0));
7167
7168         if(!fsp || (fsp->conn != conn)) {
7169                 reply_doserror(req, ERRDOS, ERRbadfid);
7170                 END_PROFILE(SMBgetattrE);
7171                 return;
7172         }
7173
7174         /* Do an fstat on this file */
7175         if(fsp_stat(fsp, &sbuf)) {
7176                 reply_unixerror(req, ERRDOS, ERRnoaccess);
7177                 END_PROFILE(SMBgetattrE);
7178                 return;
7179         }
7180
7181         mode = dos_mode(conn,fsp->fsp_name,&sbuf);
7182
7183         /*
7184          * Convert the times into dos times. Set create
7185          * date to be last modify date as UNIX doesn't save
7186          * this.
7187          */
7188
7189         reply_outbuf(req, 11, 0);
7190
7191         create_ts = get_create_timespec(&sbuf,
7192                                   lp_fake_dir_create_times(SNUM(conn)));
7193         srv_put_dos_date2((char *)req->outbuf, smb_vwv0, create_ts.tv_sec);
7194         srv_put_dos_date2((char *)req->outbuf, smb_vwv2, sbuf.st_atime);
7195         /* Should we check pending modtime here ? JRA */
7196         srv_put_dos_date2((char *)req->outbuf, smb_vwv4, sbuf.st_mtime);
7197
7198         if (mode & aDIR) {
7199                 SIVAL(req->outbuf, smb_vwv6, 0);
7200                 SIVAL(req->outbuf, smb_vwv8, 0);
7201         } else {
7202                 uint32 allocation_size = get_allocation_size(conn,fsp, &sbuf);
7203                 SIVAL(req->outbuf, smb_vwv6, (uint32)sbuf.st_size);
7204                 SIVAL(req->outbuf, smb_vwv8, allocation_size);
7205         }
7206         SSVAL(req->outbuf,smb_vwv10, mode);
7207
7208         DEBUG( 3, ( "reply_getattrE fnum=%d\n", fsp->fnum));
7209
7210         END_PROFILE(SMBgetattrE);
7211         return;
7212 }