source/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 1992-2004.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  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_send;
  32 extern int max_recv;
  33 extern char magic_char;
  34 extern int global_oplock_break;
  35 unsigned int smb_echo_count = 0;
  36 extern uint32 global_client_caps;
  37
  38 extern BOOL global_encrypted_passwords_negotiated;
  39
  40 /****************************************************************************
  41  Ensure we check the path in *exactly* the same way as W2K.
  42  We're assuming here that '/' is not the second byte in any multibyte char
  43  set (a safe assumption). '\\' *may* be the second byte in a multibyte char
  44  set.
  45 ****************************************************************************/
  46
  47 NTSTATUS check_path_syntax(pstring destname, const pstring srcname, BOOL allow_wcard_names)
  48 {
  49         char *d = destname;
  50         const char *s = srcname;
  51         NTSTATUS ret = NT_STATUS_OK;
  52         BOOL start_of_name_component = True;
  53         unsigned int num_bad_components = 0;
  54
  55         while (*s) {
  56                 if (IS_DIRECTORY_SEP(*s)) {
  57                         /*
  58                          * Safe to assume is not the second part of a mb char as this is handled below.
  59                          */
  60                         /* Eat multiple '/' or '\\' */
  61                         while (IS_DIRECTORY_SEP(*s)) {
  62                                 s++;
  63                         }
  64                         if ((d != destname) && (*s != '\0')) {
  65                                 /* We only care about non-leading or trailing '/' or '\\' */
  66                                 *d++ = '/';
  67                         }
  68
  69                         start_of_name_component = True;
  70                         continue;
  71                 }
  72
  73                 if (start_of_name_component) {
  74                         if ((s[0] == '.') && (s[1] == '.') && (IS_DIRECTORY_SEP(s[2]) || s[2] == '\0')) {
  75                                 /* Uh oh - "/../" or "\\..\\"  or "/..\0" or "\\..\0" ! */
  76
  77                                 /*
  78                                  * No mb char starts with '.' so we're safe checking the directory separator here.
  79                                  */
  80
  81                                 /* If  we just added a '/' - delete it */
  82                                 if ((d > destname) && (*(d-1) == '/')) {
  83                                         *(d-1) = '\0';
  84                                         d--;
  85                                 }
  86
  87                                 /* Are we at the start ? Can't go back further if so. */
  88                                 if (d <= destname) {
  89                                         ret = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
  90                                         break;
  91                                 }
  92                                 /* Go back one level... */
  93                                 /* We know this is safe as '/' cannot be part of a mb sequence. */
  94                                 /* NOTE - if this assumption is invalid we are not in good shape... */
  95                                 /* Decrement d first as d points to the *next* char to write into. */
  96                                 for (d--; d > destname; d--) {
  97                                         if (*d == '/')
  98                                                 break;
  99                                 }
 100                                 s += 2; /* Else go past the .. */
 101                                 /* We're still at the start of a name component, just the previous one. */
 102
 103                                 if (num_bad_components) {
 104                                         /* Hmmm. Should we only decrement the bad_components if
 105                                            we're removing a bad component ? Need to check this. JRA. */
 106                                         num_bad_components--;
 107                                 }
 108
 109                                 continue;
 110
 111                         } else if ((s[0] == '.') && ((s[1] == '\0') || IS_DIRECTORY_SEP(s[1]))) {
 112                                 /* Component of pathname can't be "." only. */
 113                                 ret =  NT_STATUS_OBJECT_NAME_INVALID;
 114                                 num_bad_components++;
 115                                 *d++ = *s++;
 116                                 continue;
 117                         }
 118                 }
 119
 120                 if (!(*s & 0x80)) {
 121                         if (allow_wcard_names) {
 122                                 *d++ = *s++;
 123                         } else {
 124                                 switch (*s) {
 125                                         case '*':
 126                                         case '?':
 127                                         case '<':
 128                                         case '>':
 129                                         case '"':
 130                                                 return NT_STATUS_OBJECT_NAME_INVALID;
 131                                         default:
 132                                                 *d++ = *s++;
 133                                                 break;
 134                                 }
 135                         }
 136                 } else {
 137                         switch(next_mb_char_size(s)) {
 138                                 case 4:
 139                                         *d++ = *s++;
 140                                 case 3:
 141                                         *d++ = *s++;
 142                                 case 2:
 143                                         *d++ = *s++;
 144                                 case 1:
 145                                         *d++ = *s++;
 146                                         break;
 147                                 default:
 148                                         DEBUG(0,("check_path_syntax: character length assumptions invalid !\n"));
 149                                         *d = '\0';
 150                                         return NT_STATUS_INVALID_PARAMETER;
 151                         }
 152                 }
 153                 if (start_of_name_component && num_bad_components) {
 154                         num_bad_components++;
 155                 }
 156                 start_of_name_component = False;
 157         }
 158
 159         if (NT_STATUS_EQUAL(ret, NT_STATUS_OBJECT_NAME_INVALID)) {
 160                 /* For some strange reason being called from findfirst changes
 161                    the num_components number to cause the error return to change. JRA. */
 162                 if (allow_wcard_names) {
 163                         if (num_bad_components > 2) {
 164                                 ret = NT_STATUS_OBJECT_PATH_NOT_FOUND;
 165                         }
 166                 } else {
 167                         if (num_bad_components > 1) {
 168                                 ret = NT_STATUS_OBJECT_PATH_NOT_FOUND;
 169                         }
 170                 }
 171         }
 172
 173         *d = '\0';
 174         return ret;
 175 }
 176
 177 /****************************************************************************
 178  Pull a string and check the path - provide for error return.
 179 ****************************************************************************/
 180
 181 size_t srvstr_get_path(char *inbuf, char *dest, const char *src, size_t dest_len, size_t src_len, int flags, NTSTATUS *err, BOOL allow_wcard_names)
 182 {
 183         pstring tmppath;
 184         char *tmppath_ptr = tmppath;
 185         size_t ret;
 186 #ifdef DEVELOPER
 187         SMB_ASSERT(dest_len == sizeof(pstring));
 188 #endif
 189
 190         if (src_len == 0) {
 191                 ret = srvstr_pull_buf( inbuf, tmppath_ptr, src, dest_len, flags);
 192         } else {
 193                 ret = srvstr_pull( inbuf, tmppath_ptr, src, dest_len, src_len, flags);
 194         }
 195         *err = check_path_syntax(dest, tmppath, allow_wcard_names);
 196         return ret;
 197 }
 198
 199 /****************************************************************************
 200  Reply to a special message.
 201 ****************************************************************************/
 202
 203 int reply_special(char *inbuf,char *outbuf)
 204 {
 205         int outsize = 4;
 206         int msg_type = CVAL(inbuf,0);
 207         int msg_flags = CVAL(inbuf,1);
 208         fstring name1,name2;
 209         char name_type = 0;
 210
 211         static BOOL already_got_session = False;
 212
 213         *name1 = *name2 = 0;
 214
 215         memset(outbuf,'\0',smb_size);
 216
 217         smb_setlen(outbuf,0);
 218
 219         switch (msg_type) {
 220         case 0x81: /* session request */
 221
 222                 if (already_got_session) {
 223                         exit_server("multiple session request not permitted");
 224                 }
 225
 226                 SCVAL(outbuf,0,0x82);
 227                 SCVAL(outbuf,3,0);
 228                 if (name_len(inbuf+4) > 50 ||
 229                     name_len(inbuf+4 + name_len(inbuf + 4)) > 50) {
 230                         DEBUG(0,("Invalid name length in session request\n"));
 231                         return(0);
 232                 }
 233                 name_extract(inbuf,4,name1);
 234                 name_type = name_extract(inbuf,4 + name_len(inbuf + 4),name2);
 235                 DEBUG(2,("netbios connect: name1=%s name2=%s\n",
 236                          name1,name2));
 237
 238                 set_local_machine_name(name1, True);
 239                 set_remote_machine_name(name2, True);
 240
 241                 DEBUG(2,("netbios connect: local=%s remote=%s, name type = %x\n",
 242                          get_local_machine_name(), get_remote_machine_name(),
 243                          name_type));
 244
 245                 if (name_type == 'R') {
 246                         /* We are being asked for a pathworks session ---
 247                            no thanks! */
 248                         SCVAL(outbuf, 0,0x83);
 249                         break;
 250                 }
 251
 252                 /* only add the client's machine name to the list
 253                    of possibly valid usernames if we are operating
 254                    in share mode security */
 255                 if (lp_security() == SEC_SHARE) {
 256                         add_session_user(get_remote_machine_name());
 257                 }
 258
 259                 reload_services(True);
 260                 reopen_logs();
 261
 262                 already_got_session = True;
 263                 break;
 264
 265         case 0x89: /* session keepalive request
 266                       (some old clients produce this?) */
 267                 SCVAL(outbuf,0,SMBkeepalive);
 268                 SCVAL(outbuf,3,0);
 269                 break;
 270
 271         case 0x82: /* positive session response */
 272         case 0x83: /* negative session response */
 273         case 0x84: /* retarget session response */
 274                 DEBUG(0,("Unexpected session response\n"));
 275                 break;
 276
 277         case SMBkeepalive: /* session keepalive */
 278         default:
 279                 return(0);
 280         }
 281
 282         DEBUG(5,("init msg_type=0x%x msg_flags=0x%x\n",
 283                     msg_type, msg_flags));
 284
 285         return(outsize);
 286 }
 287
 288 /****************************************************************************
 289  Reply to a tcon.
 290 ****************************************************************************/
 291
 292 int reply_tcon(connection_struct *conn,
 293                char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 294 {
 295         const char *service;
 296         pstring service_buf;
 297         pstring password;
 298         pstring dev;
 299         int outsize = 0;
 300         uint16 vuid = SVAL(inbuf,smb_uid);
 301         int pwlen=0;
 302         NTSTATUS nt_status;
 303         char *p;
 304         DATA_BLOB password_blob;
 305
 306         START_PROFILE(SMBtcon);
 307
 308         *service_buf = *password = *dev = 0;
 309
 310         p = smb_buf(inbuf)+1;
 311         p += srvstr_pull_buf(inbuf, service_buf, p, sizeof(service_buf), STR_TERMINATE) + 1;
 312         pwlen = srvstr_pull_buf(inbuf, password, p, sizeof(password), STR_TERMINATE) + 1;
 313         p += pwlen;
 314         p += srvstr_pull_buf(inbuf, dev, p, sizeof(dev), STR_TERMINATE) + 1;
 315
 316         p = strrchr_m(service_buf,'\\');
 317         if (p) {
 318                 service = p+1;
 319         } else {
 320                 service = service_buf;
 321         }
 322
 323         password_blob = data_blob(password, pwlen+1);
 324
 325         conn = make_connection(service,password_blob,dev,vuid,&nt_status);
 326
 327         data_blob_clear_free(&password_blob);
 328
 329         if (!conn) {
 330                 END_PROFILE(SMBtcon);
 331                 return ERROR_NT(nt_status);
 332         }
 333
 334         outsize = set_message(outbuf,2,0,True);
 335         SSVAL(outbuf,smb_vwv0,max_recv);
 336         SSVAL(outbuf,smb_vwv1,conn->cnum);
 337         SSVAL(outbuf,smb_tid,conn->cnum);
 338
 339         DEBUG(3,("tcon service=%s cnum=%d\n",
 340                  service, conn->cnum));
 341
 342         END_PROFILE(SMBtcon);
 343         return(outsize);
 344 }
 345
 346 /****************************************************************************
 347  Reply to a tcon and X.
 348 ****************************************************************************/
 349
 350 int reply_tcon_and_X(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
 351 {
 352         fstring service;
 353         DATA_BLOB password;
 354
 355         /* what the cleint thinks the device is */
 356         fstring client_devicetype;
 357         /* what the server tells the client the share represents */
 358         const char *server_devicetype;
 359         NTSTATUS nt_status;
 360         uint16 vuid = SVAL(inbuf,smb_uid);
 361         int passlen = SVAL(inbuf,smb_vwv3);
 362         pstring path;
 363         char *p, *q;
 364         extern BOOL global_encrypted_passwords_negotiated;
 365
 366         START_PROFILE(SMBtconX);
 367
 368         *service = *client_devicetype = 0;
 369
 370         /* we might have to close an old one */
 371         if ((SVAL(inbuf,smb_vwv2) & 0x1) && conn) {
 372                 close_cnum(conn,vuid);
 373         }
 374
 375         if (passlen > MAX_PASS_LEN) {
 376                 return ERROR_DOS(ERRDOS,ERRbuftoosmall);
 377         }
 378
 379         if (global_encrypted_passwords_negotiated) {
 380                 password = data_blob(smb_buf(inbuf),passlen);
 381         } else {
 382                 password = data_blob(smb_buf(inbuf),passlen+1);
 383                 /* Ensure correct termination */
 384                 password.data[passlen]=0;
 385         }
 386
 387         p = smb_buf(inbuf) + passlen;
 388         p += srvstr_pull_buf(inbuf, path, p, sizeof(path), STR_TERMINATE);
 389
 390         /*
 391          * the service name can be either: \\server\share
 392          * or share directly like on the DELL PowerVault 705
 393          */
 394         if (*path=='\\') {
 395                 q = strchr_m(path+2,'\\');
 396                 if (!q) {
 397                         END_PROFILE(SMBtconX);
 398                         return(ERROR_DOS(ERRDOS,ERRnosuchshare));
 399                 }
 400                 fstrcpy(service,q+1);
 401         }
 402         else
 403                 fstrcpy(service,path);
 404
 405         p += srvstr_pull(inbuf, client_devicetype, p, sizeof(client_devicetype), 6, STR_ASCII);
 406
 407         DEBUG(4,("Client requested device type [%s] for share [%s]\n", client_devicetype, service));
 408
 409         conn = make_connection(service,password,client_devicetype,vuid,&nt_status);
 410
 411         data_blob_clear_free(&password);
 412
 413         if (!conn) {
 414                 END_PROFILE(SMBtconX);
 415                 return ERROR_NT(nt_status);
 416         }
 417
 418         if ( IS_IPC(conn) )
 419                 server_devicetype = "IPC";
 420         else if ( IS_PRINT(conn) )
 421                 server_devicetype = "LPT1:";
 422         else
 423                 server_devicetype = "A:";
 424
 425         if (Protocol < PROTOCOL_NT1) {
 426                 set_message(outbuf,2,0,True);
 427                 p = smb_buf(outbuf);
 428                 p += srvstr_push(outbuf, p, server_devicetype, -1,
 429                                  STR_TERMINATE|STR_ASCII);
 430                 set_message_end(outbuf,p);
 431         } else {
 432                 /* NT sets the fstype of IPC$ to the null string */
 433                 const char *fstype = IS_IPC(conn) ? "" : lp_fstype(SNUM(conn));
 434
 435                 set_message(outbuf,3,0,True);
 436
 437                 p = smb_buf(outbuf);
 438                 p += srvstr_push(outbuf, p, server_devicetype, -1,
 439                                  STR_TERMINATE|STR_ASCII);
 440                 p += srvstr_push(outbuf, p, fstype, -1,
 441                                  STR_TERMINATE);
 442
 443                 set_message_end(outbuf,p);
 444
 445                 /* what does setting this bit do? It is set by NT4 and
 446                    may affect the ability to autorun mounted cdroms */
 447                 SSVAL(outbuf, smb_vwv2, SMB_SUPPORT_SEARCH_BITS|
 448                                 (lp_csc_policy(SNUM(conn)) << 2));
 449
 450                 init_dfsroot(conn, inbuf, outbuf);
 451         }
 452
 453
 454         DEBUG(3,("tconX service=%s \n",
 455                  service));
 456
 457         /* set the incoming and outgoing tid to the just created one */
 458         SSVAL(inbuf,smb_tid,conn->cnum);
 459         SSVAL(outbuf,smb_tid,conn->cnum);
 460
 461         END_PROFILE(SMBtconX);
 462         return chain_reply(inbuf,outbuf,length,bufsize);
 463 }
 464
 465 /****************************************************************************
 466  Reply to an unknown type.
 467 ****************************************************************************/
 468
 469 int reply_unknown(char *inbuf,char *outbuf)
 470 {
 471         int type;
 472         type = CVAL(inbuf,smb_com);
 473
 474         DEBUG(0,("unknown command type (%s): type=%d (0x%X)\n",
 475                  smb_fn_name(type), type, type));
 476
 477         return(ERROR_DOS(ERRSRV,ERRunknownsmb));
 478 }
 479
 480 /****************************************************************************
 481  Reply to an ioctl.
 482 ****************************************************************************/
 483
 484 int reply_ioctl(connection_struct *conn,
 485                 char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 486 {
 487         uint16 device     = SVAL(inbuf,smb_vwv1);
 488         uint16 function   = SVAL(inbuf,smb_vwv2);
 489         uint32 ioctl_code = (device << 16) + function;
 490         int replysize, outsize;
 491         char *p;
 492         START_PROFILE(SMBioctl);
 493
 494         DEBUG(4, ("Received IOCTL (code 0x%x)\n", ioctl_code));
 495
 496         switch (ioctl_code) {
 497             case IOCTL_QUERY_JOB_INFO:
 498                 replysize = 32;
 499                 break;
 500             default:
 501                 END_PROFILE(SMBioctl);
 502                 return(ERROR_DOS(ERRSRV,ERRnosupport));
 503         }
 504
 505         outsize = set_message(outbuf,8,replysize+1,True);
 506         SSVAL(outbuf,smb_vwv1,replysize); /* Total data bytes returned */
 507         SSVAL(outbuf,smb_vwv5,replysize); /* Data bytes this buffer */
 508         SSVAL(outbuf,smb_vwv6,52);        /* Offset to data */
 509         p = smb_buf(outbuf) + 1;          /* Allow for alignment */
 510
 511         switch (ioctl_code) {
 512                 case IOCTL_QUERY_JOB_INFO:
 513                 {
 514                         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
 515                         if (!fsp) {
 516                                 END_PROFILE(SMBioctl);
 517                                 return(UNIXERROR(ERRDOS,ERRbadfid));
 518                         }
 519                         SSVAL(p,0,fsp->rap_print_jobid);             /* Job number */
 520                         srvstr_push(outbuf, p+2, global_myname(), 15, STR_TERMINATE|STR_ASCII);
 521                         if (conn) {
 522                                 srvstr_push(outbuf, p+18, lp_servicename(SNUM(conn)), 13, STR_TERMINATE|STR_ASCII);
 523                         }
 524                         break;
 525                 }
 526         }
 527
 528         END_PROFILE(SMBioctl);
 529         return outsize;
 530 }
 531
 532 /****************************************************************************
 533  Reply to a chkpth.
 534 ****************************************************************************/
 535
 536 int reply_chkpth(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 537 {
 538         int outsize = 0;
 539         pstring name;
 540         BOOL ok = False;
 541         BOOL bad_path = False;
 542         SMB_STRUCT_STAT sbuf;
 543         NTSTATUS status;
 544
 545         START_PROFILE(SMBchkpth);
 546
 547         srvstr_get_path(inbuf, name, smb_buf(inbuf) + 1, sizeof(name), 0, STR_TERMINATE, &status, False);
 548         if (!NT_STATUS_IS_OK(status)) {
 549                 END_PROFILE(SMBchkpth);
 550                 return ERROR_NT(status);
 551         }
 552
 553         RESOLVE_DFSPATH(name, conn, inbuf, outbuf);
 554
 555         unix_convert(name,conn,0,&bad_path,&sbuf);
 556         if (bad_path) {
 557                 END_PROFILE(SMBchkpth);
 558                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 559         }
 560
 561         if (check_name(name,conn)) {
 562                 if (VALID_STAT(sbuf) || SMB_VFS_STAT(conn,name,&sbuf) == 0)
 563                         if (!(ok = S_ISDIR(sbuf.st_mode))) {
 564                                 END_PROFILE(SMBchkpth);
 565                                 return ERROR_BOTH(NT_STATUS_NOT_A_DIRECTORY,ERRDOS,ERRbadpath);
 566                         }
 567         }
 568
 569         if (!ok) {
 570                 /* We special case this - as when a Windows machine
 571                         is parsing a path is steps through the components
 572                         one at a time - if a component fails it expects
 573                         ERRbadpath, not ERRbadfile.
 574                 */
 575                 if(errno == ENOENT) {
 576                         /*
 577                          * Windows returns different error codes if
 578                          * the parent directory is valid but not the
 579                          * last component - it returns NT_STATUS_OBJECT_NAME_NOT_FOUND
 580                          * for that case and NT_STATUS_OBJECT_PATH_NOT_FOUND
 581                          * if the path is invalid. This is different from set_bad_path_error()
 582                          * in the non-NT error case.
 583                          */
 584                         END_PROFILE(SMBchkpth);
 585                         return ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpath);
 586                 }
 587
 588                 END_PROFILE(SMBchkpth);
 589                 return(UNIXERROR(ERRDOS,ERRbadpath));
 590         }
 591
 592         outsize = set_message(outbuf,0,0,True);
 593         DEBUG(3,("chkpth %s mode=%d\n", name, (int)SVAL(inbuf,smb_vwv0)));
 594
 595         END_PROFILE(SMBchkpth);
 596         return(outsize);
 597 }
 598
 599 /****************************************************************************
 600  Reply to a getatr.
 601 ****************************************************************************/
 602
 603 int reply_getatr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 604 {
 605         pstring fname;
 606         int outsize = 0;
 607         SMB_STRUCT_STAT sbuf;
 608         BOOL ok = False;
 609         int mode=0;
 610         SMB_OFF_T size=0;
 611         time_t mtime=0;
 612         BOOL bad_path = False;
 613         char *p;
 614         NTSTATUS status;
 615
 616         START_PROFILE(SMBgetatr);
 617
 618         p = smb_buf(inbuf) + 1;
 619         p += srvstr_get_path(inbuf, fname, p, sizeof(fname), 0, STR_TERMINATE, &status, False);
 620         if (!NT_STATUS_IS_OK(status)) {
 621                 END_PROFILE(SMBgetatr);
 622                 return ERROR_NT(status);
 623         }
 624
 625         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
 626
 627         /* dos smetimes asks for a stat of "" - it returns a "hidden directory"
 628                 under WfWg - weird! */
 629         if (! (*fname)) {
 630                 mode = aHIDDEN | aDIR;
 631                 if (!CAN_WRITE(conn))
 632                         mode |= aRONLY;
 633                 size = 0;
 634                 mtime = 0;
 635                 ok = True;
 636         } else {
 637                 unix_convert(fname,conn,0,&bad_path,&sbuf);
 638                 if (bad_path) {
 639                         END_PROFILE(SMBgetatr);
 640                         return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 641                 }
 642                 if (check_name(fname,conn)) {
 643                         if (VALID_STAT(sbuf) || SMB_VFS_STAT(conn,fname,&sbuf) == 0) {
 644                                 mode = dos_mode(conn,fname,&sbuf);
 645                                 size = sbuf.st_size;
 646                                 mtime = sbuf.st_mtime;
 647                                 if (mode & aDIR)
 648                                         size = 0;
 649                                 ok = True;
 650                         } else {
 651                                 DEBUG(3,("stat of %s failed (%s)\n",fname,strerror(errno)));
 652                         }
 653                 }
 654         }
 655
 656         if (!ok) {
 657                 END_PROFILE(SMBgetatr);
 658                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadfile);
 659         }
 660
 661         outsize = set_message(outbuf,10,0,True);
 662
 663         SSVAL(outbuf,smb_vwv0,mode);
 664         if(lp_dos_filetime_resolution(SNUM(conn)) )
 665                 put_dos_date3(outbuf,smb_vwv1,mtime & ~1);
 666         else
 667                 put_dos_date3(outbuf,smb_vwv1,mtime);
 668         SIVAL(outbuf,smb_vwv3,(uint32)size);
 669
 670         if (Protocol >= PROTOCOL_NT1)
 671                 SSVAL(outbuf,smb_flg2,SVAL(outbuf, smb_flg2) | FLAGS2_IS_LONG_NAME);
 672
 673         DEBUG( 3, ( "getatr name=%s mode=%d size=%d\n", fname, mode, (uint32)size ) );
 674
 675         END_PROFILE(SMBgetatr);
 676         return(outsize);
 677 }
 678
 679 /****************************************************************************
 680  Reply to a setatr.
 681 ****************************************************************************/
 682
 683 int reply_setatr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 684 {
 685         pstring fname;
 686         int outsize = 0;
 687         BOOL ok=False;
 688         int mode;
 689         time_t mtime;
 690         SMB_STRUCT_STAT sbuf;
 691         BOOL bad_path = False;
 692         char *p;
 693         NTSTATUS status;
 694
 695         START_PROFILE(SMBsetatr);
 696
 697         p = smb_buf(inbuf) + 1;
 698         p += srvstr_get_path(inbuf, fname, p, sizeof(fname), 0, STR_TERMINATE, &status, False);
 699         if (!NT_STATUS_IS_OK(status)) {
 700                 END_PROFILE(SMBsetatr);
 701                 return ERROR_NT(status);
 702         }
 703
 704         unix_convert(fname,conn,0,&bad_path,&sbuf);
 705         if (bad_path) {
 706                 END_PROFILE(SMBsetatr);
 707                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
 708         }
 709
 710         mode = SVAL(inbuf,smb_vwv0);
 711         mtime = make_unix_date3(inbuf+smb_vwv1);
 712
 713         if (mode != FILE_ATTRIBUTE_NORMAL) {
 714                 if (VALID_STAT_OF_DIR(sbuf))
 715                         mode |= aDIR;
 716                 else
 717                         mode &= ~aDIR;
 718
 719                 if (check_name(fname,conn)) {
 720                         ok = (file_set_dosmode(conn,fname,mode,&sbuf,False) == 0);
 721                 }
 722         } else {
 723                 ok = True;
 724         }
 725
 726         if (ok)
 727                 ok = set_filetime(conn,fname,mtime);
 728
 729         if (!ok) {
 730                 END_PROFILE(SMBsetatr);
 731                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnoaccess);
 732         }
 733
 734         outsize = set_message(outbuf,0,0,True);
 735
 736         DEBUG( 3, ( "setatr name=%s mode=%d\n", fname, mode ) );
 737
 738         END_PROFILE(SMBsetatr);
 739         return(outsize);
 740 }
 741
 742 /****************************************************************************
 743  Reply to a dskattr.
 744 ****************************************************************************/
 745
 746 int reply_dskattr(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 747 {
 748         int outsize = 0;
 749         SMB_BIG_UINT dfree,dsize,bsize;
 750         START_PROFILE(SMBdskattr);
 751
 752         SMB_VFS_DISK_FREE(conn,".",True,&bsize,&dfree,&dsize);
 753
 754         outsize = set_message(outbuf,5,0,True);
 755
 756         if (Protocol <= PROTOCOL_LANMAN2) {
 757                 double total_space, free_space;
 758                 /* we need to scale this to a number that DOS6 can handle. We
 759                    use floating point so we can handle large drives on systems
 760                    that don't have 64 bit integers
 761
 762                    we end up displaying a maximum of 2G to DOS systems
 763                 */
 764                 total_space = dsize * (double)bsize;
 765                 free_space = dfree * (double)bsize;
 766
 767                 dsize = (total_space+63*512) / (64*512);
 768                 dfree = (free_space+63*512) / (64*512);
 769
 770                 if (dsize > 0xFFFF) dsize = 0xFFFF;
 771                 if (dfree > 0xFFFF) dfree = 0xFFFF;
 772
 773                 SSVAL(outbuf,smb_vwv0,dsize);
 774                 SSVAL(outbuf,smb_vwv1,64); /* this must be 64 for dos systems */
 775                 SSVAL(outbuf,smb_vwv2,512); /* and this must be 512 */
 776                 SSVAL(outbuf,smb_vwv3,dfree);
 777         } else {
 778                 SSVAL(outbuf,smb_vwv0,dsize);
 779                 SSVAL(outbuf,smb_vwv1,bsize/512);
 780                 SSVAL(outbuf,smb_vwv2,512);
 781                 SSVAL(outbuf,smb_vwv3,dfree);
 782         }
 783
 784         DEBUG(3,("dskattr dfree=%d\n", (unsigned int)dfree));
 785
 786         END_PROFILE(SMBdskattr);
 787         return(outsize);
 788 }
 789
 790 /****************************************************************************
 791  Reply to a search.
 792  Can be called from SMBsearch, SMBffirst or SMBfunique.
 793 ****************************************************************************/
 794
 795 int reply_search(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 796 {
 797         pstring mask;
 798         pstring directory;
 799         pstring fname;
 800         SMB_OFF_T size;
 801         int mode;
 802         time_t date;
 803         int dirtype;
 804         int outsize = 0;
 805         unsigned int numentries = 0;
 806         unsigned int maxentries = 0;
 807         BOOL finished = False;
 808         char *p;
 809         BOOL ok = False;
 810         int status_len;
 811         pstring path;
 812         char status[21];
 813         int dptr_num= -1;
 814         BOOL check_descend = False;
 815         BOOL expect_close = False;
 816         BOOL can_open = True;
 817         BOOL bad_path = False;
 818         NTSTATUS nt_status;
 819         START_PROFILE(SMBsearch);
 820
 821         *mask = *directory = *fname = 0;
 822
 823         /* If we were called as SMBffirst then we must expect close. */
 824         if(CVAL(inbuf,smb_com) == SMBffirst)
 825                 expect_close = True;
 826
 827         outsize = set_message(outbuf,1,3,True);
 828         maxentries = SVAL(inbuf,smb_vwv0);
 829         dirtype = SVAL(inbuf,smb_vwv1);
 830         p = smb_buf(inbuf) + 1;
 831         p += srvstr_get_path(inbuf, path, p, sizeof(path), 0, STR_TERMINATE, &nt_status, True);
 832         if (!NT_STATUS_IS_OK(nt_status)) {
 833                 END_PROFILE(SMBsearch);
 834                 return ERROR_NT(nt_status);
 835         }
 836         p++;
 837         status_len = SVAL(p, 0);
 838         p += 2;
 839
 840         /* dirtype &= ~aDIR; */
 841
 842         if (status_len == 0) {
 843                 SMB_STRUCT_STAT sbuf;
 844                 pstring dir2;
 845
 846                 pstrcpy(directory,path);
 847                 pstrcpy(dir2,path);
 848                 unix_convert(directory,conn,0,&bad_path,&sbuf);
 849                 unix_format(dir2);
 850
 851                 if (!check_name(directory,conn))
 852                         can_open = False;
 853
 854                 p = strrchr_m(dir2,'/');
 855                 if (p == NULL) {
 856                         pstrcpy(mask,dir2);
 857                         *dir2 = 0;
 858                 } else {
 859                         *p = 0;
 860                         pstrcpy(mask,p+1);
 861                 }
 862
 863                 p = strrchr_m(directory,'/');
 864                 if (!p)
 865                         *directory = 0;
 866                 else
 867                         *p = 0;
 868
 869                 if (strlen(directory) == 0)
 870                         pstrcpy(directory,".");
 871                 memset((char *)status,'\0',21);
 872                 SCVAL(status,0,(dirtype & 0x1F));
 873         } else {
 874                 int status_dirtype;
 875
 876                 memcpy(status,p,21);
 877                 status_dirtype = CVAL(status,0) & 0x1F;
 878                 if (status_dirtype != (dirtype & 0x1F))
 879                         dirtype = status_dirtype;
 880
 881                 conn->dirptr = dptr_fetch(status+12,&dptr_num);
 882                 if (!conn->dirptr)
 883                         goto SearchEmpty;
 884                 string_set(&conn->dirpath,dptr_path(dptr_num));
 885                 pstrcpy(mask, dptr_wcard(dptr_num));
 886         }
 887
 888         if (can_open) {
 889                 p = smb_buf(outbuf) + 3;
 890                 ok = True;
 891
 892                 if (status_len == 0) {
 893                         dptr_num = dptr_create(conn,directory,True,expect_close,SVAL(inbuf,smb_pid));
 894                         if (dptr_num < 0) {
 895                                 if(dptr_num == -2) {
 896                                         END_PROFILE(SMBsearch);
 897                                         return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnofids);
 898                                 }
 899                                 END_PROFILE(SMBsearch);
 900                                 return ERROR_DOS(ERRDOS,ERRnofids);
 901                         }
 902                         if (!dptr_set_wcard_and_attributes(dptr_num, mask, dirtype)) {
 903                                 END_PROFILE(SMBsearch);
 904                                 return ERROR_DOS(ERRDOS,ERRnomem);
 905                         }
 906                 } else {
 907                         dirtype = dptr_attr(dptr_num);
 908                 }
 909
 910                 DEBUG(4,("dptr_num is %d\n",dptr_num));
 911
 912                 if (ok) {
 913                         if ((dirtype&0x1F) == aVOLID) {
 914                                 memcpy(p,status,21);
 915                                 make_dir_struct(p,"???????????",volume_label(SNUM(conn)),0,aVOLID,0);
 916                                 dptr_fill(p+12,dptr_num);
 917                                 if (dptr_zero(p+12) && (status_len==0))
 918                                         numentries = 1;
 919                                 else
 920                                         numentries = 0;
 921                                 p += DIR_STRUCT_SIZE;
 922                         } else {
 923                                 unsigned int i;
 924                                 maxentries = MIN(maxentries, ((BUFFER_SIZE - (p - outbuf))/DIR_STRUCT_SIZE));
 925
 926                                 DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
 927                                 conn->dirpath,lp_dontdescend(SNUM(conn))));
 928                                 if (in_list(conn->dirpath, lp_dontdescend(SNUM(conn)),True))
 929                                         check_descend = True;
 930
 931                                 for (i=numentries;(i<maxentries) && !finished;i++) {
 932                                         finished = !get_dir_entry(conn,mask,dirtype,fname,&size,&mode,&date,check_descend);
 933                                         if (!finished) {
 934                                                 memcpy(p,status,21);
 935                                                 make_dir_struct(p,mask,fname,size,mode,date);
 936                                                 dptr_fill(p+12,dptr_num);
 937                                                 numentries++;
 938                                                 p += DIR_STRUCT_SIZE;
 939                                         }
 940                                 }
 941                         }
 942                 } /* if (ok ) */
 943         }
 944
 945
 946   SearchEmpty:
 947
 948         /* If we were called as SMBffirst with smb_search_id == NULL
 949                 and no entries were found then return error and close dirptr
 950                 (X/Open spec) */
 951
 952         if (numentries == 0 || !ok) {
 953                 dptr_close(&dptr_num);
 954         } else if(ok && expect_close && status_len == 0) {
 955                 /* Close the dptr - we know it's gone */
 956                 dptr_close(&dptr_num);
 957         }
 958
 959         /* If we were called as SMBfunique, then we can close the dirptr now ! */
 960         if(dptr_num >= 0 && CVAL(inbuf,smb_com) == SMBfunique) {
 961                 dptr_close(&dptr_num);
 962         }
 963
 964         if ((numentries == 0) && !ms_has_wild(mask)) {
 965                 return ERROR_BOTH(STATUS_NO_MORE_FILES,ERRDOS,ERRnofiles);
 966         }
 967
 968         SSVAL(outbuf,smb_vwv0,numentries);
 969         SSVAL(outbuf,smb_vwv1,3 + numentries * DIR_STRUCT_SIZE);
 970         SCVAL(smb_buf(outbuf),0,5);
 971         SSVAL(smb_buf(outbuf),1,numentries*DIR_STRUCT_SIZE);
 972
 973         if (Protocol >= PROTOCOL_NT1)
 974                 SSVAL(outbuf,smb_flg2,SVAL(outbuf, smb_flg2) | FLAGS2_IS_LONG_NAME);
 975
 976         outsize += DIR_STRUCT_SIZE*numentries;
 977         smb_setlen(outbuf,outsize - 4);
 978
 979         if ((! *directory) && dptr_path(dptr_num))
 980                 slprintf(directory, sizeof(directory)-1, "(%s)",dptr_path(dptr_num));
 981
 982         DEBUG( 4, ( "%s mask=%s path=%s dtype=%d nument=%u of %u\n",
 983                 smb_fn_name(CVAL(inbuf,smb_com)),
 984                 mask, directory, dirtype, numentries, maxentries ) );
 985
 986         END_PROFILE(SMBsearch);
 987         return(outsize);
 988 }
 989
 990 /****************************************************************************
 991  Reply to a fclose (stop directory search).
 992 ****************************************************************************/
 993
 994 int reply_fclose(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
 995 {
 996         int outsize = 0;
 997         int status_len;
 998         pstring path;
 999         char status[21];
1000         int dptr_num= -2;
1001         char *p;
1002         NTSTATUS err;
1003
1004         START_PROFILE(SMBfclose);
1005
1006         outsize = set_message(outbuf,1,0,True);
1007         p = smb_buf(inbuf) + 1;
1008         p += srvstr_get_path(inbuf, path, p, sizeof(path), 0, STR_TERMINATE, &err, True);
1009         if (!NT_STATUS_IS_OK(err)) {
1010                 END_PROFILE(SMBfclose);
1011                 return ERROR_NT(err);
1012         }
1013         p++;
1014         status_len = SVAL(p,0);
1015         p += 2;
1016
1017         if (status_len == 0) {
1018                 END_PROFILE(SMBfclose);
1019                 return ERROR_DOS(ERRSRV,ERRsrverror);
1020         }
1021
1022         memcpy(status,p,21);
1023
1024         if(dptr_fetch(status+12,&dptr_num)) {
1025                 /*  Close the dptr - we know it's gone */
1026                 dptr_close(&dptr_num);
1027         }
1028
1029         SSVAL(outbuf,smb_vwv0,0);
1030
1031         DEBUG(3,("search close\n"));
1032
1033         END_PROFILE(SMBfclose);
1034         return(outsize);
1035 }
1036
1037 /****************************************************************************
1038  Reply to an open.
1039 ****************************************************************************/
1040
1041 int reply_open(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
1042 {
1043         pstring fname;
1044         int outsize = 0;
1045         int fmode=0;
1046         int share_mode;
1047         SMB_OFF_T size = 0;
1048         time_t mtime=0;
1049         int rmode=0;
1050         SMB_STRUCT_STAT sbuf;
1051         BOOL bad_path = False;
1052         files_struct *fsp;
1053         int oplock_request = CORE_OPLOCK_REQUEST(inbuf);
1054         uint16 dos_attr = SVAL(inbuf,smb_vwv1);
1055         NTSTATUS status;
1056         START_PROFILE(SMBopen);
1057
1058         share_mode = SVAL(inbuf,smb_vwv0);
1059
1060         srvstr_get_path(inbuf, fname, smb_buf(inbuf)+1, sizeof(fname), 0, STR_TERMINATE, &status, False);
1061         if (!NT_STATUS_IS_OK(status)) {
1062                 END_PROFILE(SMBopen);
1063                 return ERROR_NT(status);
1064         }
1065
1066         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1067
1068         unix_convert(fname,conn,0,&bad_path,&sbuf);
1069         if (bad_path) {
1070                 END_PROFILE(SMBopen);
1071                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1072         }
1073
1074         fsp = open_file_shared(conn,fname,&sbuf,share_mode,(FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN),
1075                         (uint32)dos_attr, oplock_request,&rmode,NULL);
1076
1077         if (!fsp) {
1078                 END_PROFILE(SMBopen);
1079                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1080                         /* We have re-scheduled this call. */
1081                         clear_cached_errors();
1082                         return -1;
1083                 }
1084                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnoaccess);
1085         }
1086
1087         size = sbuf.st_size;
1088         fmode = dos_mode(conn,fname,&sbuf);
1089         mtime = sbuf.st_mtime;
1090
1091         if (fmode & aDIR) {
1092                 DEBUG(3,("attempt to open a directory %s\n",fname));
1093                 close_file(fsp,False);
1094                 END_PROFILE(SMBopen);
1095                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1096         }
1097
1098         outsize = set_message(outbuf,7,0,True);
1099         SSVAL(outbuf,smb_vwv0,fsp->fnum);
1100         SSVAL(outbuf,smb_vwv1,fmode);
1101         if(lp_dos_filetime_resolution(SNUM(conn)) )
1102                 put_dos_date3(outbuf,smb_vwv2,mtime & ~1);
1103         else
1104                 put_dos_date3(outbuf,smb_vwv2,mtime);
1105         SIVAL(outbuf,smb_vwv4,(uint32)size);
1106         SSVAL(outbuf,smb_vwv6,rmode);
1107
1108         if (oplock_request && lp_fake_oplocks(SNUM(conn)))
1109                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1110
1111         if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1112                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1113         END_PROFILE(SMBopen);
1114         return(outsize);
1115 }
1116
1117 /****************************************************************************
1118  Reply to an open and X.
1119 ****************************************************************************/
1120
1121 int reply_open_and_X(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
1122 {
1123         pstring fname;
1124         int smb_mode = SVAL(inbuf,smb_vwv3);
1125         int smb_attr = SVAL(inbuf,smb_vwv5);
1126         /* Breakout the oplock request bits so we can set the
1127                 reply bits separately. */
1128         BOOL ex_oplock_request = EXTENDED_OPLOCK_REQUEST(inbuf);
1129         BOOL core_oplock_request = CORE_OPLOCK_REQUEST(inbuf);
1130         BOOL oplock_request = ex_oplock_request | core_oplock_request;
1131 #if 0
1132         int open_flags = SVAL(inbuf,smb_vwv2);
1133         int smb_sattr = SVAL(inbuf,smb_vwv4);
1134         uint32 smb_time = make_unix_date3(inbuf+smb_vwv6);
1135 #endif
1136         int smb_ofun = SVAL(inbuf,smb_vwv8);
1137         SMB_OFF_T size=0;
1138         int fmode=0,mtime=0,rmode=0;
1139         SMB_STRUCT_STAT sbuf;
1140         int smb_action = 0;
1141         BOOL bad_path = False;
1142         files_struct *fsp;
1143         NTSTATUS status;
1144         START_PROFILE(SMBopenX);
1145
1146         /* If it's an IPC, pass off the pipe handler. */
1147         if (IS_IPC(conn)) {
1148                 if (lp_nt_pipe_support()) {
1149                         END_PROFILE(SMBopenX);
1150                         return reply_open_pipe_and_X(conn, inbuf,outbuf,length,bufsize);
1151                 } else {
1152                         END_PROFILE(SMBopenX);
1153                         return ERROR_DOS(ERRSRV,ERRaccess);
1154                 }
1155         }
1156
1157         /* XXXX we need to handle passed times, sattr and flags */
1158         srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status, False);
1159         if (!NT_STATUS_IS_OK(status)) {
1160                 END_PROFILE(SMBopenX);
1161                 return ERROR_NT(status);
1162         }
1163
1164         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1165
1166         unix_convert(fname,conn,0,&bad_path,&sbuf);
1167         if (bad_path) {
1168                 END_PROFILE(SMBopenX);
1169                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1170         }
1171
1172         fsp = open_file_shared(conn,fname,&sbuf,smb_mode,smb_ofun,(uint32)smb_attr,
1173                         oplock_request, &rmode,&smb_action);
1174
1175         if (!fsp) {
1176                 END_PROFILE(SMBopenX);
1177                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1178                         /* We have re-scheduled this call. */
1179                         clear_cached_errors();
1180                         return -1;
1181                 }
1182                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnoaccess);
1183         }
1184
1185         size = sbuf.st_size;
1186         fmode = dos_mode(conn,fname,&sbuf);
1187         mtime = sbuf.st_mtime;
1188         if (fmode & aDIR) {
1189                 close_file(fsp,False);
1190                 END_PROFILE(SMBopenX);
1191                 return ERROR_DOS(ERRDOS,ERRnoaccess);
1192         }
1193
1194         /* If the caller set the extended oplock request bit
1195                 and we granted one (by whatever means) - set the
1196                 correct bit for extended oplock reply.
1197         */
1198
1199         if (ex_oplock_request && lp_fake_oplocks(SNUM(conn)))
1200                 smb_action |= EXTENDED_OPLOCK_GRANTED;
1201
1202         if(ex_oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1203                 smb_action |= EXTENDED_OPLOCK_GRANTED;
1204
1205         /* If the caller set the core oplock request bit
1206                 and we granted one (by whatever means) - set the
1207                 correct bit for core oplock reply.
1208         */
1209
1210         if (core_oplock_request && lp_fake_oplocks(SNUM(conn)))
1211                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1212
1213         if(core_oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1214                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1215
1216         set_message(outbuf,15,0,True);
1217         SSVAL(outbuf,smb_vwv2,fsp->fnum);
1218         SSVAL(outbuf,smb_vwv3,fmode);
1219         if(lp_dos_filetime_resolution(SNUM(conn)) )
1220                 put_dos_date3(outbuf,smb_vwv4,mtime & ~1);
1221         else
1222                 put_dos_date3(outbuf,smb_vwv4,mtime);
1223         SIVAL(outbuf,smb_vwv6,(uint32)size);
1224         SSVAL(outbuf,smb_vwv8,rmode);
1225         SSVAL(outbuf,smb_vwv11,smb_action);
1226
1227         END_PROFILE(SMBopenX);
1228         return chain_reply(inbuf,outbuf,length,bufsize);
1229 }
1230
1231 /****************************************************************************
1232  Reply to a SMBulogoffX.
1233 ****************************************************************************/
1234
1235 int reply_ulogoffX(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
1236 {
1237         uint16 vuid = SVAL(inbuf,smb_uid);
1238         user_struct *vuser = get_valid_user_struct(vuid);
1239         START_PROFILE(SMBulogoffX);
1240
1241         if(vuser == 0)
1242                 DEBUG(3,("ulogoff, vuser id %d does not map to user.\n", vuid));
1243
1244         /* in user level security we are supposed to close any files
1245                 open by this user */
1246         if ((vuser != 0) && (lp_security() != SEC_SHARE))
1247                 file_close_user(vuid);
1248
1249         invalidate_vuid(vuid);
1250
1251         set_message(outbuf,2,0,True);
1252
1253         DEBUG( 3, ( "ulogoffX vuid=%d\n", vuid ) );
1254
1255         END_PROFILE(SMBulogoffX);
1256         return chain_reply(inbuf,outbuf,length,bufsize);
1257 }
1258
1259 /****************************************************************************
1260  Reply to a mknew or a create.
1261 ****************************************************************************/
1262
1263 int reply_mknew(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
1264 {
1265         pstring fname;
1266         int com;
1267         int outsize = 0;
1268         int createmode;
1269         int ofun = 0;
1270         BOOL bad_path = False;
1271         files_struct *fsp;
1272         int oplock_request = CORE_OPLOCK_REQUEST(inbuf);
1273         SMB_STRUCT_STAT sbuf;
1274         NTSTATUS status;
1275         START_PROFILE(SMBcreate);
1276
1277         com = SVAL(inbuf,smb_com);
1278
1279         createmode = SVAL(inbuf,smb_vwv0);
1280         srvstr_get_path(inbuf, fname, smb_buf(inbuf) + 1, sizeof(fname), 0, STR_TERMINATE, &status, False);
1281         if (!NT_STATUS_IS_OK(status)) {
1282                 END_PROFILE(SMBcreate);
1283                 return ERROR_NT(status);
1284         }
1285
1286         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1287
1288         unix_convert(fname,conn,0,&bad_path,&sbuf);
1289         if (bad_path) {
1290                 END_PROFILE(SMBcreate);
1291                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1292         }
1293
1294         if (createmode & aVOLID)
1295                 DEBUG(0,("Attempt to create file (%s) with volid set - please report this\n",fname));
1296
1297         if(com == SMBmknew) {
1298                 /* We should fail if file exists. */
1299                 ofun = FILE_CREATE_IF_NOT_EXIST;
1300         } else {
1301                 /* SMBcreate - Create if file doesn't exist, truncate if it does. */
1302                 ofun = FILE_CREATE_IF_NOT_EXIST|FILE_EXISTS_TRUNCATE;
1303         }
1304
1305         /* Open file in dos compatibility share mode. */
1306         fsp = open_file_shared(conn,fname,&sbuf,SET_DENY_MODE(DENY_FCB)|SET_OPEN_MODE(DOS_OPEN_FCB),
1307                         ofun, (uint32)createmode, oplock_request, NULL, NULL);
1308
1309         if (!fsp) {
1310                 END_PROFILE(SMBcreate);
1311                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1312                         /* We have re-scheduled this call. */
1313                         clear_cached_errors();
1314                         return -1;
1315                 }
1316                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnoaccess);
1317         }
1318
1319         outsize = set_message(outbuf,1,0,True);
1320         SSVAL(outbuf,smb_vwv0,fsp->fnum);
1321
1322         if (oplock_request && lp_fake_oplocks(SNUM(conn)))
1323                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1324
1325         if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1326                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1327
1328         DEBUG( 2, ( "new file %s\n", fname ) );
1329         DEBUG( 3, ( "mknew %s fd=%d dmode=%d\n", fname, fsp->fd, createmode ) );
1330
1331         END_PROFILE(SMBcreate);
1332         return(outsize);
1333 }
1334
1335 /****************************************************************************
1336  Reply to a create temporary file.
1337 ****************************************************************************/
1338
1339 int reply_ctemp(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
1340 {
1341         pstring fname;
1342         int outsize = 0;
1343         int createattr;
1344         BOOL bad_path = False;
1345         files_struct *fsp;
1346         int oplock_request = CORE_OPLOCK_REQUEST(inbuf);
1347         int tmpfd;
1348         SMB_STRUCT_STAT sbuf;
1349         char *p, *s;
1350         NTSTATUS status;
1351         unsigned int namelen;
1352
1353         START_PROFILE(SMBctemp);
1354
1355         createattr = SVAL(inbuf,smb_vwv0);
1356         srvstr_get_path(inbuf, fname, smb_buf(inbuf)+1, sizeof(fname), 0, STR_TERMINATE, &status, False);
1357         if (!NT_STATUS_IS_OK(status)) {
1358                 END_PROFILE(SMBctemp);
1359                 return ERROR_NT(status);
1360         }
1361         if (*fname) {
1362                 pstrcat(fname,"/TMXXXXXX");
1363         } else {
1364                 pstrcat(fname,"TMXXXXXX");
1365         }
1366
1367         RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
1368
1369         unix_convert(fname,conn,0,&bad_path,&sbuf);
1370         if (bad_path) {
1371                 END_PROFILE(SMBctemp);
1372                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
1373         }
1374
1375         tmpfd = smb_mkstemp(fname);
1376         if (tmpfd == -1) {
1377                 END_PROFILE(SMBctemp);
1378                 return(UNIXERROR(ERRDOS,ERRnoaccess));
1379         }
1380
1381         SMB_VFS_STAT(conn,fname,&sbuf);
1382
1383         /* Open file in dos compatibility share mode. */
1384         /* We should fail if file does not exist. */
1385         fsp = open_file_shared(conn,fname,&sbuf,
1386                 SET_DENY_MODE(DENY_FCB)|SET_OPEN_MODE(DOS_OPEN_FCB),
1387                 FILE_EXISTS_OPEN|FILE_FAIL_IF_NOT_EXIST,
1388                 (uint32)createattr, oplock_request, NULL, NULL);
1389
1390         /* close fd from smb_mkstemp() */
1391         close(tmpfd);
1392
1393         if (!fsp) {
1394                 END_PROFILE(SMBctemp);
1395                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1396                         /* We have re-scheduled this call. */
1397                         clear_cached_errors();
1398                         return -1;
1399                 }
1400                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRnoaccess);
1401         }
1402
1403         outsize = set_message(outbuf,1,0,True);
1404         SSVAL(outbuf,smb_vwv0,fsp->fnum);
1405
1406         /* the returned filename is relative to the directory */
1407         s = strrchr_m(fname, '/');
1408         if (!s)
1409                 s = fname;
1410         else
1411                 s++;
1412
1413         p = smb_buf(outbuf);
1414 #if 0
1415         /* Tested vs W2K3 - this doesn't seem to be here - null terminated filename is the only
1416            thing in the byte section. JRA */
1417         SSVALS(p, 0, -1); /* what is this? not in spec */
1418 #endif
1419         namelen = srvstr_push(outbuf, p, s, -1, STR_ASCII|STR_TERMINATE);
1420         p += namelen;
1421         outsize = set_message_end(outbuf, p);
1422
1423         if (oplock_request && lp_fake_oplocks(SNUM(conn)))
1424                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1425
1426         if (EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))
1427                 SCVAL(outbuf,smb_flg,CVAL(outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1428
1429         DEBUG( 2, ( "created temp file %s\n", fname ) );
1430         DEBUG( 3, ( "ctemp %s fd=%d umode=%o\n",
1431                         fname, fsp->fd, sbuf.st_mode ) );
1432
1433         END_PROFILE(SMBctemp);
1434         return(outsize);
1435 }
1436
1437 /*******************************************************************
1438  Check if a user is allowed to rename a file.
1439 ********************************************************************/
1440
1441 static NTSTATUS can_rename(connection_struct *conn, char *fname, uint16 dirtype, SMB_STRUCT_STAT *pst)
1442 {
1443         int smb_action;
1444         int access_mode;
1445         files_struct *fsp;
1446         uint16 fmode;
1447
1448         if (!CAN_WRITE(conn))
1449                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1450
1451         fmode = dos_mode(conn,fname,pst);
1452         if ((fmode & ~dirtype) & (aHIDDEN | aSYSTEM))
1453                 return NT_STATUS_NO_SUCH_FILE;
1454
1455         if (S_ISDIR(pst->st_mode))
1456                 return NT_STATUS_OK;
1457
1458         /* We need a better way to return NT status codes from open... */
1459         unix_ERR_class = 0;
1460         unix_ERR_code = 0;
1461
1462         fsp = open_file_shared1(conn, fname, pst, DELETE_ACCESS, SET_DENY_MODE(DENY_ALL),
1463                 (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN), FILE_ATTRIBUTE_NORMAL, 0, &access_mode, &smb_action);
1464
1465         if (!fsp) {
1466                 NTSTATUS ret = NT_STATUS_ACCESS_DENIED;
1467                 if (unix_ERR_class == ERRDOS && unix_ERR_code == ERRbadshare)
1468                         ret = NT_STATUS_SHARING_VIOLATION;
1469                 unix_ERR_class = 0;
1470                 unix_ERR_code = 0;
1471                 unix_ERR_ntstatus = NT_STATUS_OK;
1472                 return ret;
1473         }
1474         close_file(fsp,False);
1475         return NT_STATUS_OK;
1476 }
1477
1478 /*******************************************************************
1479  Check if a user is allowed to delete a file.
1480 ********************************************************************/
1481
1482 NTSTATUS can_delete(connection_struct *conn, char *fname, int dirtype, BOOL bad_path, BOOL check_is_at_open)
1483 {
1484         SMB_STRUCT_STAT sbuf;
1485         int fmode;
1486         int smb_action;
1487         int access_mode;
1488         files_struct *fsp;
1489
1490         DEBUG(10,("can_delete: %s, dirtype = %d\n",
1491                 fname, dirtype ));
1492
1493         if (!CAN_WRITE(conn))
1494                 return NT_STATUS_MEDIA_WRITE_PROTECTED;
1495
1496         if (SMB_VFS_LSTAT(conn,fname,&sbuf) != 0) {
1497                 if(errno == ENOENT) {
1498                         if (bad_path)
1499                                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
1500                         else
1501                                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1502                 }
1503                 return map_nt_error_from_unix(errno);
1504         }
1505
1506         fmode = dos_mode(conn,fname,&sbuf);
1507
1508         /* Can't delete a directory. */
1509         if (fmode & aDIR)
1510                 return NT_STATUS_FILE_IS_A_DIRECTORY;
1511 #if 0 /* JRATEST */
1512         else if (dirtype & aDIR) /* Asked for a directory and it isn't. */
1513                 return NT_STATUS_OBJECT_NAME_INVALID;
1514 #endif /* JRATEST */
1515
1516         if (!lp_delete_readonly(SNUM(conn))) {
1517                 if (fmode & aRONLY)
1518                         return NT_STATUS_CANNOT_DELETE;
1519         }
1520         if ((fmode & ~dirtype) & (aHIDDEN | aSYSTEM))
1521                 return NT_STATUS_NO_SUCH_FILE;
1522
1523         if (check_is_at_open) {
1524                 if (!can_delete_file_in_directory(conn, fname)) {
1525                         return NT_STATUS_ACCESS_DENIED;
1526                 }
1527         } else {
1528                 /* On open checks the open itself will check the share mode, so
1529                    don't do it here as we'll get it wrong. */
1530
1531                 /* We need a better way to return NT status codes from open... */
1532                 unix_ERR_class = 0;
1533                 unix_ERR_code = 0;
1534
1535                 fsp = open_file_shared1(conn, fname, &sbuf, DELETE_ACCESS, SET_DENY_MODE(DENY_ALL),
1536                         (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN), FILE_ATTRIBUTE_NORMAL, 0, &access_mode, &smb_action);
1537
1538                 if (!fsp) {
1539                         NTSTATUS ret = NT_STATUS_ACCESS_DENIED;
1540                         if (!NT_STATUS_IS_OK(unix_ERR_ntstatus))
1541                                 ret = unix_ERR_ntstatus;
1542                         else if (unix_ERR_class == ERRDOS && unix_ERR_code == ERRbadshare)
1543                                 ret = NT_STATUS_SHARING_VIOLATION;
1544                         unix_ERR_class = 0;
1545                         unix_ERR_code = 0;
1546                         unix_ERR_ntstatus = NT_STATUS_OK;
1547                         return ret;
1548                 }
1549                 close_file(fsp,False);
1550         }
1551         return NT_STATUS_OK;
1552 }
1553
1554 /****************************************************************************
1555  The guts of the unlink command, split out so it may be called by the NT SMB
1556  code.
1557 ****************************************************************************/
1558
1559 NTSTATUS unlink_internals(connection_struct *conn, int dirtype, char *name)
1560 {
1561         pstring directory;
1562         pstring mask;
1563         char *p;
1564         int count=0;
1565         NTSTATUS error = NT_STATUS_OK;
1566         BOOL has_wild;
1567         BOOL bad_path = False;
1568         BOOL rc = True;
1569         SMB_STRUCT_STAT sbuf;
1570
1571         *directory = *mask = 0;
1572
1573         /* We must check for wildcards in the name given
1574          * directly by the client - before any unmangling.
1575          * This prevents an unmangling of a UNIX name containing
1576          * a DOS wildcard like '*' or '?' from unmangling into
1577          * a wildcard delete which was not intended.
1578          * FIX for #226. JRA.
1579          */
1580
1581         has_wild = ms_has_wild(name);
1582
1583         rc = unix_convert(name,conn,0,&bad_path,&sbuf);
1584
1585         p = strrchr_m(name,'/');
1586         if (!p) {
1587                 pstrcpy(directory,".");
1588                 pstrcpy(mask,name);
1589         } else {
1590                 *p = 0;
1591                 pstrcpy(directory,name);
1592                 pstrcpy(mask,p+1);
1593         }
1594
1595         /*
1596          * We should only check the mangled cache
1597          * here if unix_convert failed. This means
1598          * that the path in 'mask' doesn't exist
1599          * on the file system and so we need to look
1600          * for a possible mangle. This patch from
1601          * Tine Smukavec <valentin.smukavec@hermes.si>.
1602          */
1603
1604         if (!rc && mangle_is_mangled(mask))
1605                 mangle_check_cache( mask, sizeof(pstring)-1 );
1606
1607         if (!has_wild) {
1608                 pstrcat(directory,"/");
1609                 pstrcat(directory,mask);
1610                 error = can_delete(conn,directory,dirtype,bad_path,False);
1611                 if (!NT_STATUS_IS_OK(error))
1612                         return error;
1613
1614                 if (SMB_VFS_UNLINK(conn,directory) == 0) {
1615                         count++;
1616                 }
1617         } else {
1618                 struct smb_Dir *dir_hnd = NULL;
1619                 const char *dname;
1620
1621                 if (check_name(directory,conn))
1622                         dir_hnd = OpenDir(conn, directory);
1623
1624                 /* XXXX the CIFS spec says that if bit0 of the flags2 field is set then
1625                    the pattern matches against the long name, otherwise the short name
1626                    We don't implement this yet XXXX
1627                 */
1628
1629                 if (dir_hnd) {
1630                         long offset = 0;
1631                         error = NT_STATUS_NO_SUCH_FILE;
1632
1633                         if (strequal(mask,"????????.???"))
1634                                 pstrcpy(mask,"*");
1635
1636                         while ((dname = ReadDirName(dir_hnd, &offset))) {
1637                                 SMB_STRUCT_STAT st;
1638                                 pstring fname;
1639                                 BOOL sys_direntry = False;
1640                                 pstrcpy(fname,dname);
1641
1642                                 if (!is_visible_file(conn, directory, dname, &st, True)) {
1643                                         continue;
1644                                 }
1645
1646                                 /* Quick check for "." and ".." */
1647                                 if (fname[0] == '.') {
1648                                         if (!fname[1] || (fname[1] == '.' && !fname[2])) {
1649                                                 if ((dirtype & FILE_ATTRIBUTE_DIRECTORY) && (dirtype & FILE_ATTRIBUTE_SYSTEM)) {
1650                                                         sys_direntry = True;
1651                                                 } else {
1652                                                         continue;
1653                                                 }
1654                                         }
1655                                 }
1656
1657                                 if(!mask_match(fname, mask, conn->case_sensitive))
1658                                         continue;
1659
1660                                 if (sys_direntry) {
1661                                         error = NT_STATUS_OBJECT_NAME_INVALID;
1662                                         DEBUG(3,("unlink_internals: system directory delete denied [%s] mask [%s]\n",
1663                                                 fname, mask));
1664                                         break;
1665                                 }
1666
1667                                 slprintf(fname,sizeof(fname)-1, "%s/%s",directory,dname);
1668                                 error = can_delete(conn,fname,dirtype,bad_path,False);
1669                                 if (!NT_STATUS_IS_OK(error)) {
1670                                         continue;
1671                                 }
1672                                 if (SMB_VFS_UNLINK(conn,fname) == 0)
1673                                         count++;
1674                                 DEBUG(3,("unlink_internals: succesful unlink [%s]\n",fname));
1675                         }
1676                         CloseDir(dir_hnd);
1677                 }
1678         }
1679
1680         if (count == 0 && NT_STATUS_IS_OK(error)) {
1681                 error = map_nt_error_from_unix(errno);
1682         }
1683
1684         return error;
1685 }
1686
1687 /****************************************************************************
1688  Reply to a unlink
1689 ****************************************************************************/
1690
1691 int reply_unlink(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
1692                  int dum_buffsize)
1693 {
1694         int outsize = 0;
1695         pstring name;
1696         int dirtype;
1697         NTSTATUS status;
1698         START_PROFILE(SMBunlink);
1699
1700         dirtype = SVAL(inbuf,smb_vwv0);
1701
1702         srvstr_get_path(inbuf, name, smb_buf(inbuf) + 1, sizeof(name), 0, STR_TERMINATE, &status, True);
1703         if (!NT_STATUS_IS_OK(status)) {
1704                 END_PROFILE(SMBunlink);
1705                 return ERROR_NT(status);
1706         }
1707
1708         RESOLVE_DFSPATH(name, conn, inbuf, outbuf);
1709
1710         DEBUG(3,("reply_unlink : %s\n",name));
1711
1712         status = unlink_internals(conn, dirtype, name);
1713         if (!NT_STATUS_IS_OK(status)) {
1714                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
1715                         /* We have re-scheduled this call. */
1716                         clear_cached_errors();
1717                         return -1;
1718                 }
1719                 return ERROR_NT(status);
1720         }
1721
1722         /*
1723          * Win2k needs a changenotify request response before it will
1724          * update after a rename..
1725          */
1726         process_pending_change_notify_queue((time_t)0);
1727
1728         outsize = set_message(outbuf,0,0,True);
1729
1730         END_PROFILE(SMBunlink);
1731         return outsize;
1732 }
1733
1734 /****************************************************************************
1735  Fail for readbraw.
1736 ****************************************************************************/
1737
1738 static void fail_readraw(void)
1739 {
1740         pstring errstr;
1741         slprintf(errstr, sizeof(errstr)-1, "FAIL ! reply_readbraw: socket write fail (%s)",
1742                 strerror(errno) );
1743         exit_server(errstr);
1744 }
1745
1746 #if defined(WITH_SENDFILE)
1747 /****************************************************************************
1748  Fake (read/write) sendfile. Returns -1 on read or write fail.
1749 ****************************************************************************/
1750
1751 static ssize_t fake_sendfile(files_struct *fsp, SMB_OFF_T startpos, size_t nread, char *buf, int bufsize)
1752 {
1753         ssize_t ret=0;
1754
1755         /* Paranioa check... */
1756         if (nread > bufsize) {
1757                 fail_readraw();
1758         }
1759
1760         if (nread > 0) {
1761                 ret = read_file(fsp,buf,startpos,nread);
1762                 if (ret == -1) {
1763                         return -1;
1764                 }
1765         }
1766
1767         /* If we had a short read, fill with zeros. */
1768         if (ret < nread) {
1769                 memset(buf, '\0', nread - ret);
1770         }
1771
1772         if (write_data(smbd_server_fd(),buf,nread) != nread) {
1773                 return -1;
1774         }
1775
1776         return (ssize_t)nread;
1777 }
1778 #endif
1779
1780 /****************************************************************************
1781  Use sendfile in readbraw.
1782 ****************************************************************************/
1783
1784 void send_file_readbraw(connection_struct *conn, files_struct *fsp, SMB_OFF_T startpos, size_t nread,
1785                 ssize_t mincount, char *outbuf, int out_buffsize)
1786 {
1787         ssize_t ret=0;
1788
1789 #if defined(WITH_SENDFILE)
1790         /*
1791          * We can only use sendfile on a non-chained packet
1792          * but we can use on a non-oplocked file. tridge proved this
1793          * on a train in Germany :-). JRA.
1794          * reply_readbraw has already checked the length.
1795          */
1796
1797         if (chain_size ==0 && (nread > 0) && (lp_write_cache_size(SNUM(conn)) == 0) && lp_use_sendfile(SNUM(conn)) ) {
1798                 DATA_BLOB header;
1799
1800                 _smb_setlen(outbuf,nread);
1801                 header.data = outbuf;
1802                 header.length = 4;
1803                 header.free = NULL;
1804
1805                 if ( SMB_VFS_SENDFILE( smbd_server_fd(), fsp, fsp->fd, &header, startpos, nread) == -1) {
1806                         /* Returning ENOSYS means no data at all was sent. Do this as a normal read. */
1807                         if (errno == ENOSYS) {
1808                                 goto normal_readbraw;
1809                         }
1810
1811                         /*
1812                          * Special hack for broken Linux with no working sendfile. If we
1813                          * return EINTR we sent the header but not the rest of the data.
1814                          * Fake this up by doing read/write calls.
1815                          */
1816                         if (errno == EINTR) {
1817                                 /* Ensure we don't do this again. */
1818                                 set_use_sendfile(SNUM(conn), False);
1819                                 DEBUG(0,("send_file_readbraw: sendfile not available. Faking..\n"));
1820
1821                                 if (fake_sendfile(fsp, startpos, nread, outbuf + 4, out_buffsize - 4) == -1) {
1822                                         DEBUG(0,("send_file_readbraw: fake_sendfile failed for file %s (%s).\n",
1823                                                 fsp->fsp_name, strerror(errno) ));
1824                                         exit_server("send_file_readbraw fake_sendfile failed");
1825                                 }
1826                                 return;
1827                         }
1828
1829                         DEBUG(0,("send_file_readbraw: sendfile failed for file %s (%s). Terminating\n",
1830                                 fsp->fsp_name, strerror(errno) ));
1831                         exit_server("send_file_readbraw sendfile failed");
1832                 }
1833
1834         }
1835
1836   normal_readbraw:
1837
1838 #endif
1839
1840         if (nread > 0) {
1841                 ret = read_file(fsp,outbuf+4,startpos,nread);
1842 #if 0 /* mincount appears to be ignored in a W2K server. JRA. */
1843                 if (ret < mincount)
1844                         ret = 0;
1845 #else
1846                 if (ret < nread)
1847                         ret = 0;
1848 #endif
1849         }
1850
1851         _smb_setlen(outbuf,ret);
1852         if (write_data(smbd_server_fd(),outbuf,4+ret) != 4+ret)
1853                 fail_readraw();
1854 }
1855
1856 /****************************************************************************
1857  Reply to a readbraw (core+ protocol).
1858 ****************************************************************************/
1859
1860 int reply_readbraw(connection_struct *conn, char *inbuf, char *outbuf, int dum_size, int out_buffsize)
1861 {
1862         extern struct current_user current_user;
1863         ssize_t maxcount,mincount;
1864         size_t nread = 0;
1865         SMB_OFF_T startpos;
1866         char *header = outbuf;
1867         files_struct *fsp;
1868         START_PROFILE(SMBreadbraw);
1869
1870         if (srv_is_signing_active()) {
1871                 exit_server("reply_readbraw: SMB signing is active - raw reads/writes are disallowed.");
1872         }
1873
1874         /*
1875          * Special check if an oplock break has been issued
1876          * and the readraw request croses on the wire, we must
1877          * return a zero length response here.
1878          */
1879
1880         if(global_oplock_break) {
1881                 _smb_setlen(header,0);
1882                 if (write_data(smbd_server_fd(),header,4) != 4)
1883                         fail_readraw();
1884                 DEBUG(5,("readbraw - oplock break finished\n"));
1885                 END_PROFILE(SMBreadbraw);
1886                 return -1;
1887         }
1888
1889         fsp = file_fsp(inbuf,smb_vwv0);
1890
1891         if (!FNUM_OK(fsp,conn) || !fsp->can_read) {
1892                 /*
1893                  * fsp could be NULL here so use the value from the packet. JRA.
1894                  */
1895                 DEBUG(3,("fnum %d not open in readbraw - cache prime?\n",(int)SVAL(inbuf,smb_vwv0)));
1896                 _smb_setlen(header,0);
1897                 if (write_data(smbd_server_fd(),header,4) != 4)
1898                         fail_readraw();
1899                 END_PROFILE(SMBreadbraw);
1900                 return(-1);
1901         }
1902
1903         CHECK_FSP(fsp,conn);
1904
1905         flush_write_cache(fsp, READRAW_FLUSH);
1906
1907         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv1);
1908         if(CVAL(inbuf,smb_wct) == 10) {
1909                 /*
1910                  * This is a large offset (64 bit) read.
1911                  */
1912 #ifdef LARGE_SMB_OFF_T
1913
1914                 startpos |= (((SMB_OFF_T)IVAL(inbuf,smb_vwv8)) << 32);
1915
1916 #else /* !LARGE_SMB_OFF_T */
1917
1918                 /*
1919                  * Ensure we haven't been sent a >32 bit offset.
1920                  */
1921
1922                 if(IVAL(inbuf,smb_vwv8) != 0) {
1923                         DEBUG(0,("readbraw - large offset (%x << 32) used and we don't support \
1924 64 bit offsets.\n", (unsigned int)IVAL(inbuf,smb_vwv8) ));
1925                         _smb_setlen(header,0);
1926                         if (write_data(smbd_server_fd(),header,4) != 4)
1927                                 fail_readraw();
1928                         END_PROFILE(SMBreadbraw);
1929                         return(-1);
1930                 }
1931
1932 #endif /* LARGE_SMB_OFF_T */
1933
1934                 if(startpos < 0) {
1935                         DEBUG(0,("readbraw - negative 64 bit readraw offset (%.0f) !\n", (double)startpos ));
1936                         _smb_setlen(header,0);
1937                         if (write_data(smbd_server_fd(),header,4) != 4)
1938                                 fail_readraw();
1939                         END_PROFILE(SMBreadbraw);
1940                         return(-1);
1941                 }
1942         }
1943         maxcount = (SVAL(inbuf,smb_vwv3) & 0xFFFF);
1944         mincount = (SVAL(inbuf,smb_vwv4) & 0xFFFF);
1945
1946         /* ensure we don't overrun the packet size */
1947         maxcount = MIN(65535,maxcount);
1948
1949         if (!is_locked(fsp,conn,(SMB_BIG_UINT)maxcount,(SMB_BIG_UINT)startpos, READ_LOCK)) {
1950                 SMB_OFF_T size = fsp->size;
1951                 SMB_OFF_T sizeneeded = startpos + maxcount;
1952
1953                 if (size < sizeneeded) {
1954                         SMB_STRUCT_STAT st;
1955                         if (SMB_VFS_FSTAT(fsp,fsp->fd,&st) == 0)
1956                                 size = st.st_size;
1957                         if (!fsp->can_write)
1958                                 fsp->size = size;
1959                 }
1960
1961                 if (startpos >= size)
1962                         nread = 0;
1963                 else
1964                         nread = MIN(maxcount,(size - startpos));
1965         }
1966
1967 #if 0 /* mincount appears to be ignored in a W2K server. JRA. */
1968         if (nread < mincount)
1969                 nread = 0;
1970 #endif
1971
1972         DEBUG( 3, ( "readbraw fnum=%d start=%.0f max=%d min=%d nread=%d\n", fsp->fnum, (double)startpos,
1973                                 (int)maxcount, (int)mincount, (int)nread ) );
1974
1975         send_file_readbraw(conn, fsp, startpos, nread, mincount, outbuf, out_buffsize);
1976
1977         DEBUG(5,("readbraw finished\n"));
1978         END_PROFILE(SMBreadbraw);
1979         return -1;
1980 }
1981
1982 /****************************************************************************
1983  Reply to a lockread (core+ protocol).
1984 ****************************************************************************/
1985
1986 int reply_lockread(connection_struct *conn, char *inbuf,char *outbuf, int length, int dum_buffsiz)
1987 {
1988         ssize_t nread = -1;
1989         char *data;
1990         int outsize = 0;
1991         SMB_OFF_T startpos;
1992         size_t numtoread;
1993         NTSTATUS status;
1994         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
1995         BOOL my_lock_ctx = False;
1996         START_PROFILE(SMBlockread);
1997
1998         CHECK_FSP(fsp,conn);
1999         CHECK_READ(fsp);
2000
2001         release_level_2_oplocks_on_change(fsp);
2002
2003         numtoread = SVAL(inbuf,smb_vwv1);
2004         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
2005
2006         outsize = set_message(outbuf,5,3,True);
2007         numtoread = MIN(BUFFER_SIZE-outsize,numtoread);
2008         data = smb_buf(outbuf) + 3;
2009
2010         /*
2011          * NB. Discovered by Menny Hamburger at Mainsoft. This is a core+
2012          * protocol request that predates the read/write lock concept.
2013          * Thus instead of asking for a read lock here we need to ask
2014          * for a write lock. JRA.
2015          * Note that the requested lock size is unaffected by max_recv.
2016          */
2017
2018         status = do_lock_spin(fsp, conn, SVAL(inbuf,smb_pid),
2019                          (SMB_BIG_UINT)numtoread, (SMB_BIG_UINT)startpos, WRITE_LOCK, &my_lock_ctx);
2020
2021         if (NT_STATUS_V(status)) {
2022 #if 0
2023                 /*
2024                  * We used to make lockread a blocking lock. It turns out
2025                  * that this isn't on W2k. Found by the Samba 4 RAW-READ torture
2026                  * tester. JRA.
2027                  */
2028
2029                 if (lp_blocking_locks(SNUM(conn)) && !my_lock_ctx && ERROR_WAS_LOCK_DENIED(status)) {
2030                         /*
2031                          * A blocking lock was requested. Package up
2032                          * this smb into a queued request and push it
2033                          * onto the blocking lock queue.
2034                          */
2035                         if(push_blocking_lock_request(inbuf, length, -1, 0, SVAL(inbuf,smb_pid), (SMB_BIG_UINT)startpos,
2036                                                                 (SMB_BIG_UINT)numtoread)) {
2037                                 END_PROFILE(SMBlockread);
2038                                 return -1;
2039                         }
2040                 }
2041 #endif
2042                 END_PROFILE(SMBlockread);
2043                 return ERROR_NT(status);
2044         }
2045
2046         /*
2047          * However the requested READ size IS affected by max_recv. Insanity.... JRA.
2048          */
2049
2050         if (numtoread > max_recv) {
2051                 DEBUG(0,("reply_lockread: requested read size (%u) is greater than maximum allowed (%u). \
2052 Returning short read of maximum allowed for compatibility with Windows 2000.\n",
2053                         (unsigned int)numtoread, (unsigned int)max_recv ));
2054                 numtoread = MIN(numtoread,max_recv);
2055         }
2056         nread = read_file(fsp,data,startpos,numtoread);
2057
2058         if (nread < 0) {
2059                 END_PROFILE(SMBlockread);
2060                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2061         }
2062
2063         outsize += nread;
2064         SSVAL(outbuf,smb_vwv0,nread);
2065         SSVAL(outbuf,smb_vwv5,nread+3);
2066         SSVAL(smb_buf(outbuf),1,nread);
2067
2068         DEBUG(3,("lockread fnum=%d num=%d nread=%d\n",
2069                  fsp->fnum, (int)numtoread, (int)nread));
2070
2071         END_PROFILE(SMBlockread);
2072         return(outsize);
2073 }
2074
2075 /****************************************************************************
2076  Reply to a read.
2077 ****************************************************************************/
2078
2079 int reply_read(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
2080 {
2081         size_t numtoread;
2082         ssize_t nread = 0;
2083         char *data;
2084         SMB_OFF_T startpos;
2085         int outsize = 0;
2086         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2087         START_PROFILE(SMBread);
2088
2089         CHECK_FSP(fsp,conn);
2090         CHECK_READ(fsp);
2091
2092         numtoread = SVAL(inbuf,smb_vwv1);
2093         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
2094
2095         outsize = set_message(outbuf,5,3,True);
2096         numtoread = MIN(BUFFER_SIZE-outsize,numtoread);
2097         /*
2098          * The requested read size cannot be greater than max_recv. JRA.
2099          */
2100         if (numtoread > max_recv) {
2101                 DEBUG(0,("reply_read: requested read size (%u) is greater than maximum allowed (%u). \
2102 Returning short read of maximum allowed for compatibility with Windows 2000.\n",
2103                         (unsigned int)numtoread, (unsigned int)max_recv ));
2104                 numtoread = MIN(numtoread,max_recv);
2105         }
2106
2107         data = smb_buf(outbuf) + 3;
2108
2109         if (is_locked(fsp,conn,(SMB_BIG_UINT)numtoread,(SMB_BIG_UINT)startpos, READ_LOCK)) {
2110                 END_PROFILE(SMBread);
2111                 return ERROR_DOS(ERRDOS,ERRlock);
2112         }
2113
2114         if (numtoread > 0)
2115                 nread = read_file(fsp,data,startpos,numtoread);
2116
2117         if (nread < 0) {
2118                 END_PROFILE(SMBread);
2119                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2120         }
2121
2122         outsize += nread;
2123         SSVAL(outbuf,smb_vwv0,nread);
2124         SSVAL(outbuf,smb_vwv5,nread+3);
2125         SCVAL(smb_buf(outbuf),0,1);
2126         SSVAL(smb_buf(outbuf),1,nread);
2127
2128         DEBUG( 3, ( "read fnum=%d num=%d nread=%d\n",
2129                 fsp->fnum, (int)numtoread, (int)nread ) );
2130
2131         END_PROFILE(SMBread);
2132         return(outsize);
2133 }
2134
2135 /****************************************************************************
2136  Reply to a read and X - possibly using sendfile.
2137 ****************************************************************************/
2138
2139 int send_file_readX(connection_struct *conn, char *inbuf,char *outbuf,int length, int len_outbuf,
2140                 files_struct *fsp, SMB_OFF_T startpos, size_t smb_maxcnt)
2141 {
2142         int outsize = 0;
2143         ssize_t nread = -1;
2144         char *data = smb_buf(outbuf);
2145
2146 #if defined(WITH_SENDFILE)
2147         /*
2148          * We can only use sendfile on a non-chained packet
2149          * but we can use on a non-oplocked file. tridge proved this
2150          * on a train in Germany :-). JRA.
2151          */
2152
2153         if (chain_size ==0 && (CVAL(inbuf,smb_vwv0) == 0xFF) && lp_use_sendfile(SNUM(conn)) &&
2154                         (lp_write_cache_size(SNUM(conn)) == 0) ) {
2155                 SMB_STRUCT_STAT sbuf;
2156                 DATA_BLOB header;
2157
2158                 if(SMB_VFS_FSTAT(fsp,fsp->fd, &sbuf) == -1)
2159                         return(UNIXERROR(ERRDOS,ERRnoaccess));
2160
2161                 if (startpos > sbuf.st_size)
2162                         goto normal_read;
2163
2164                 if (smb_maxcnt > (sbuf.st_size - startpos))
2165                         smb_maxcnt = (sbuf.st_size - startpos);
2166
2167                 if (smb_maxcnt == 0)
2168                         goto normal_read;
2169
2170                 /*
2171                  * Set up the packet header before send. We
2172                  * assume here the sendfile will work (get the
2173                  * correct amount of data).
2174                  */
2175
2176                 SSVAL(outbuf,smb_vwv2,0xFFFF); /* Remaining - must be -1. */
2177                 SSVAL(outbuf,smb_vwv5,smb_maxcnt);
2178                 SSVAL(outbuf,smb_vwv6,smb_offset(data,outbuf));
2179                 SSVAL(outbuf,smb_vwv7,((smb_maxcnt >> 16) & 1));
2180                 SSVAL(smb_buf(outbuf),-2,smb_maxcnt);
2181                 SCVAL(outbuf,smb_vwv0,0xFF);
2182                 set_message(outbuf,12,smb_maxcnt,False);
2183                 header.data = outbuf;
2184                 header.length = data - outbuf;
2185                 header.free = NULL;
2186
2187                 if ((nread = SMB_VFS_SENDFILE( smbd_server_fd(), fsp, fsp->fd, &header, startpos, smb_maxcnt)) == -1) {
2188                         /* Returning ENOSYS means no data at all was sent. Do this as a normal read. */
2189                         if (errno == ENOSYS) {
2190                                 goto normal_read;
2191                         }
2192
2193                         /*
2194                          * Special hack for broken Linux with no working sendfile. If we
2195                          * return EINTR we sent the header but not the rest of the data.
2196                          * Fake this up by doing read/write calls.
2197                          */
2198
2199                         if (errno == EINTR) {
2200                                 /* Ensure we don't do this again. */
2201                                 set_use_sendfile(SNUM(conn), False);
2202                                 DEBUG(0,("send_file_readX: sendfile not available. Faking..\n"));
2203
2204                                 if ((nread = fake_sendfile(fsp, startpos, smb_maxcnt, data,
2205                                                         len_outbuf - (data-outbuf))) == -1) {
2206                                         DEBUG(0,("send_file_readX: fake_sendfile failed for file %s (%s).\n",
2207                                                 fsp->fsp_name, strerror(errno) ));
2208                                         exit_server("send_file_readX: fake_sendfile failed");
2209                                 }
2210                                 DEBUG( 3, ( "send_file_readX: fake_sendfile fnum=%d max=%d nread=%d\n",
2211                                         fsp->fnum, (int)smb_maxcnt, (int)nread ) );
2212                                 /* Returning -1 here means successful sendfile. */
2213                                 return -1;
2214                         }
2215
2216                         DEBUG(0,("send_file_readX: sendfile failed for file %s (%s). Terminating\n",
2217                                 fsp->fsp_name, strerror(errno) ));
2218                         exit_server("send_file_readX sendfile failed");
2219                 }
2220
2221                 DEBUG( 3, ( "send_file_readX: sendfile fnum=%d max=%d nread=%d\n",
2222                         fsp->fnum, (int)smb_maxcnt, (int)nread ) );
2223                 /* Returning -1 here means successful sendfile. */
2224                 return -1;
2225         }
2226
2227   normal_read:
2228
2229 #endif
2230
2231         nread = read_file(fsp,data,startpos,smb_maxcnt);
2232
2233         if (nread < 0) {
2234                 END_PROFILE(SMBreadX);
2235                 return(UNIXERROR(ERRDOS,ERRnoaccess));
2236         }
2237
2238         outsize = set_message(outbuf,12,nread,False);
2239         SSVAL(outbuf,smb_vwv2,0xFFFF); /* Remaining - must be -1. */
2240         SSVAL(outbuf,smb_vwv5,nread);
2241         SSVAL(outbuf,smb_vwv6,smb_offset(data,outbuf));
2242         SSVAL(outbuf,smb_vwv7,((nread >> 16) & 1));
2243         SSVAL(smb_buf(outbuf),-2,nread);
2244
2245         DEBUG( 3, ( "send_file_readX fnum=%d max=%d nread=%d\n",
2246                 fsp->fnum, (int)smb_maxcnt, (int)nread ) );
2247
2248         /* Returning the number of bytes we want to send back - including header. */
2249         return outsize;
2250 }
2251
2252 /****************************************************************************
2253  Reply to a read and X.
2254 ****************************************************************************/
2255
2256 int reply_read_and_X(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
2257 {
2258         files_struct *fsp = file_fsp(inbuf,smb_vwv2);
2259         SMB_OFF_T startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv3);
2260         ssize_t nread = -1;
2261         size_t smb_maxcnt = SVAL(inbuf,smb_vwv5);
2262 #if 0
2263         size_t smb_mincnt = SVAL(inbuf,smb_vwv6);
2264 #endif
2265
2266         START_PROFILE(SMBreadX);
2267
2268         /* If it's an IPC, pass off the pipe handler. */
2269         if (IS_IPC(conn)) {
2270                 END_PROFILE(SMBreadX);
2271                 return reply_pipe_read_and_X(inbuf,outbuf,length,bufsize);
2272         }
2273
2274         CHECK_FSP(fsp,conn);
2275         CHECK_READ(fsp);
2276
2277         set_message(outbuf,12,0,True);
2278
2279         if (global_client_caps & CAP_LARGE_READX) {
2280                 if (SVAL(inbuf,smb_vwv7) == 1) {
2281                         smb_maxcnt |= (1<<16);
2282                 }
2283                 if (smb_maxcnt > BUFFER_SIZE) {
2284                         DEBUG(0,("reply_read_and_X - read too large (%u) for reply buffer %u\n",
2285                                 (unsigned int)smb_maxcnt, (unsigned int)BUFFER_SIZE));
2286                         END_PROFILE(SMBreadX);
2287                         return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
2288                 }
2289         }
2290
2291         if(CVAL(inbuf,smb_wct) == 12) {
2292 #ifdef LARGE_SMB_OFF_T
2293                 /*
2294                  * This is a large offset (64 bit) read.
2295                  */
2296                 startpos |= (((SMB_OFF_T)IVAL(inbuf,smb_vwv10)) << 32);
2297
2298 #else /* !LARGE_SMB_OFF_T */
2299
2300                 /*
2301                  * Ensure we haven't been sent a >32 bit offset.
2302                  */
2303
2304                 if(IVAL(inbuf,smb_vwv10) != 0) {
2305                         DEBUG(0,("reply_read_and_X - large offset (%x << 32) used and we don't support \
2306 64 bit offsets.\n", (unsigned int)IVAL(inbuf,smb_vwv10) ));
2307                         END_PROFILE(SMBreadX);
2308                         return ERROR_DOS(ERRDOS,ERRbadaccess);
2309                 }
2310
2311 #endif /* LARGE_SMB_OFF_T */
2312
2313         }
2314
2315         if (is_locked(fsp,conn,(SMB_BIG_UINT)smb_maxcnt,(SMB_BIG_UINT)startpos, READ_LOCK)) {
2316                 END_PROFILE(SMBreadX);
2317                 return ERROR_DOS(ERRDOS,ERRlock);
2318         }
2319
2320         nread = send_file_readX(conn, inbuf, outbuf, length, bufsize, fsp, startpos, smb_maxcnt);
2321         if (nread != -1)
2322                 nread = chain_reply(inbuf,outbuf,length,bufsize);
2323
2324         END_PROFILE(SMBreadX);
2325         return nread;
2326 }
2327
2328 /****************************************************************************
2329  Reply to a writebraw (core+ or LANMAN1.0 protocol).
2330 ****************************************************************************/
2331
2332 int reply_writebraw(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
2333 {
2334         ssize_t nwritten=0;
2335         ssize_t total_written=0;
2336         size_t numtowrite=0;
2337         size_t tcount;
2338         SMB_OFF_T startpos;
2339         char *data=NULL;
2340         BOOL write_through;
2341         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2342         int outsize = 0;
2343         START_PROFILE(SMBwritebraw);
2344
2345         if (srv_is_signing_active()) {
2346                 exit_server("reply_writebraw: SMB signing is active - raw reads/writes are disallowed.");
2347         }
2348
2349         CHECK_FSP(fsp,conn);
2350         CHECK_WRITE(fsp);
2351
2352         tcount = IVAL(inbuf,smb_vwv1);
2353         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv3);
2354         write_through = BITSETW(inbuf+smb_vwv7,0);
2355
2356         /* We have to deal with slightly different formats depending
2357                 on whether we are using the core+ or lanman1.0 protocol */
2358
2359         if(Protocol <= PROTOCOL_COREPLUS) {
2360                 numtowrite = SVAL(smb_buf(inbuf),-2);
2361                 data = smb_buf(inbuf);
2362         } else {
2363                 numtowrite = SVAL(inbuf,smb_vwv10);
2364                 data = smb_base(inbuf) + SVAL(inbuf, smb_vwv11);
2365         }
2366
2367         /* force the error type */
2368         SCVAL(inbuf,smb_com,SMBwritec);
2369         SCVAL(outbuf,smb_com,SMBwritec);
2370
2371         if (is_locked(fsp,conn,(SMB_BIG_UINT)tcount,(SMB_BIG_UINT)startpos, WRITE_LOCK)) {
2372                 END_PROFILE(SMBwritebraw);
2373                 return(ERROR_DOS(ERRDOS,ERRlock));
2374         }
2375
2376         if (numtowrite>0)
2377                 nwritten = write_file(fsp,data,startpos,numtowrite);
2378
2379         DEBUG(3,("writebraw1 fnum=%d start=%.0f num=%d wrote=%d sync=%d\n",
2380                 fsp->fnum, (double)startpos, (int)numtowrite, (int)nwritten, (int)write_through));
2381
2382         if (nwritten < (ssize_t)numtowrite)  {
2383                 END_PROFILE(SMBwritebraw);
2384                 return(UNIXERROR(ERRHRD,ERRdiskfull));
2385         }
2386
2387         total_written = nwritten;
2388
2389         /* Return a message to the redirector to tell it to send more bytes */
2390         SCVAL(outbuf,smb_com,SMBwritebraw);
2391         SSVALS(outbuf,smb_vwv0,-1);
2392         outsize = set_message(outbuf,Protocol>PROTOCOL_COREPLUS?1:0,0,True);
2393         if (!send_smb(smbd_server_fd(),outbuf))
2394                 exit_server("reply_writebraw: send_smb failed.");
2395
2396         /* Now read the raw data into the buffer and write it */
2397         if (read_smb_length(smbd_server_fd(),inbuf,SMB_SECONDARY_WAIT) == -1) {
2398                 exit_server("secondary writebraw failed");
2399         }
2400
2401         /* Even though this is not an smb message, smb_len returns the generic length of an smb message */
2402         numtowrite = smb_len(inbuf);
2403
2404         /* Set up outbuf to return the correct return */
2405         outsize = set_message(outbuf,1,0,True);
2406         SCVAL(outbuf,smb_com,SMBwritec);
2407         SSVAL(outbuf,smb_vwv0,total_written);
2408
2409         if (numtowrite != 0) {
2410
2411                 if (numtowrite > BUFFER_SIZE) {
2412                         DEBUG(0,("reply_writebraw: Oversize secondary write raw requested (%u). Terminating\n",
2413                                 (unsigned int)numtowrite ));
2414                         exit_server("secondary writebraw failed");
2415                 }
2416
2417                 if (tcount > nwritten+numtowrite) {
2418                         DEBUG(3,("Client overestimated the write %d %d %d\n",
2419                                 (int)tcount,(int)nwritten,(int)numtowrite));
2420                 }
2421
2422                 if (read_data( smbd_server_fd(), inbuf+4, numtowrite) != numtowrite ) {
2423                         DEBUG(0,("reply_writebraw: Oversize secondary write raw read failed (%s). Terminating\n",
2424                                 strerror(errno) ));
2425                         exit_server("secondary writebraw failed");
2426                 }
2427
2428                 nwritten = write_file(fsp,inbuf+4,startpos+nwritten,numtowrite);
2429
2430                 if (nwritten < (ssize_t)numtowrite) {
2431                         SCVAL(outbuf,smb_rcls,ERRHRD);
2432                         SSVAL(outbuf,smb_err,ERRdiskfull);
2433                 }
2434
2435                 if (nwritten > 0)
2436                         total_written += nwritten;
2437         }
2438
2439         if ((lp_syncalways(SNUM(conn)) || write_through) && lp_strict_sync(SNUM(conn)))
2440                 sync_file(conn,fsp);
2441
2442         DEBUG(3,("writebraw2 fnum=%d start=%.0f num=%d wrote=%d\n",
2443                 fsp->fnum, (double)startpos, (int)numtowrite,(int)total_written));
2444
2445         /* we won't return a status if write through is not selected - this follows what WfWg does */
2446         END_PROFILE(SMBwritebraw);
2447         if (!write_through && total_written==tcount) {
2448
2449 #if RABBIT_PELLET_FIX
2450                 /*
2451                  * Fix for "rabbit pellet" mode, trigger an early TCP ack by
2452                  * sending a SMBkeepalive. Thanks to DaveCB at Sun for this. JRA.
2453                  */
2454                 if (!send_keepalive(smbd_server_fd()))
2455                         exit_server("reply_writebraw: send of keepalive failed");
2456 #endif
2457                 return(-1);
2458         }
2459
2460         return(outsize);
2461 }
2462
2463 /****************************************************************************
2464  Reply to a writeunlock (core+).
2465 ****************************************************************************/
2466
2467 int reply_writeunlock(connection_struct *conn, char *inbuf,char *outbuf,
2468                       int size, int dum_buffsize)
2469 {
2470         ssize_t nwritten = -1;
2471         size_t numtowrite;
2472         SMB_OFF_T startpos;
2473         char *data;
2474         NTSTATUS status = NT_STATUS_OK;
2475         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2476         int outsize = 0;
2477         START_PROFILE(SMBwriteunlock);
2478
2479         CHECK_FSP(fsp,conn);
2480         CHECK_WRITE(fsp);
2481
2482         numtowrite = SVAL(inbuf,smb_vwv1);
2483         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
2484         data = smb_buf(inbuf) + 3;
2485
2486         if (numtowrite && is_locked(fsp,conn,(SMB_BIG_UINT)numtowrite,(SMB_BIG_UINT)startpos, WRITE_LOCK)) {
2487                 END_PROFILE(SMBwriteunlock);
2488                 return ERROR_DOS(ERRDOS,ERRlock);
2489         }
2490
2491         /* The special X/Open SMB protocol handling of
2492            zero length writes is *NOT* done for
2493            this call */
2494         if(numtowrite == 0)
2495                 nwritten = 0;
2496         else
2497                 nwritten = write_file(fsp,data,startpos,numtowrite);
2498
2499         if (lp_syncalways(SNUM(conn)))
2500                 sync_file(conn,fsp);
2501
2502         if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
2503                 END_PROFILE(SMBwriteunlock);
2504                 return(UNIXERROR(ERRHRD,ERRdiskfull));
2505         }
2506
2507         if (numtowrite) {
2508                 status = do_unlock(fsp, conn, SVAL(inbuf,smb_pid), (SMB_BIG_UINT)numtowrite,
2509                                    (SMB_BIG_UINT)startpos);
2510                 if (NT_STATUS_V(status)) {
2511                         END_PROFILE(SMBwriteunlock);
2512                         return ERROR_NT(status);
2513                 }
2514         }
2515
2516         outsize = set_message(outbuf,1,0,True);
2517
2518         SSVAL(outbuf,smb_vwv0,nwritten);
2519
2520         DEBUG(3,("writeunlock fnum=%d num=%d wrote=%d\n",
2521                  fsp->fnum, (int)numtowrite, (int)nwritten));
2522
2523         END_PROFILE(SMBwriteunlock);
2524         return outsize;
2525 }
2526
2527 /****************************************************************************
2528  Reply to a write.
2529 ****************************************************************************/
2530
2531 int reply_write(connection_struct *conn, char *inbuf,char *outbuf,int size,int dum_buffsize)
2532 {
2533         size_t numtowrite;
2534         ssize_t nwritten = -1;
2535         SMB_OFF_T startpos;
2536         char *data;
2537         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2538         int outsize = 0;
2539         START_PROFILE(SMBwrite);
2540
2541         /* If it's an IPC, pass off the pipe handler. */
2542         if (IS_IPC(conn)) {
2543                 END_PROFILE(SMBwrite);
2544                 return reply_pipe_write(inbuf,outbuf,size,dum_buffsize);
2545         }
2546
2547         CHECK_FSP(fsp,conn);
2548         CHECK_WRITE(fsp);
2549
2550         numtowrite = SVAL(inbuf,smb_vwv1);
2551         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
2552         data = smb_buf(inbuf) + 3;
2553
2554         if (is_locked(fsp,conn,(SMB_BIG_UINT)numtowrite,(SMB_BIG_UINT)startpos, WRITE_LOCK)) {
2555                 END_PROFILE(SMBwrite);
2556                 return ERROR_DOS(ERRDOS,ERRlock);
2557         }
2558
2559         /*
2560          * X/Open SMB protocol says that if smb_vwv1 is
2561          * zero then the file size should be extended or
2562          * truncated to the size given in smb_vwv[2-3].
2563          */
2564
2565         if(numtowrite == 0) {
2566                 /*
2567                  * This is actually an allocate call, and set EOF. JRA.
2568                  */
2569                 nwritten = vfs_allocate_file_space(fsp, (SMB_OFF_T)startpos);
2570                 if (nwritten < 0) {
2571                         END_PROFILE(SMBwrite);
2572                         return ERROR_NT(NT_STATUS_DISK_FULL);
2573                 }
2574                 nwritten = vfs_set_filelen(fsp, (SMB_OFF_T)startpos);
2575                 if (nwritten < 0) {
2576                         END_PROFILE(SMBwrite);
2577                         return ERROR_NT(NT_STATUS_DISK_FULL);
2578                 }
2579         } else
2580                 nwritten = write_file(fsp,data,startpos,numtowrite);
2581
2582         if (lp_syncalways(SNUM(conn)))
2583                 sync_file(conn,fsp);
2584
2585         if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
2586                 END_PROFILE(SMBwrite);
2587                 return(UNIXERROR(ERRHRD,ERRdiskfull));
2588         }
2589
2590         outsize = set_message(outbuf,1,0,True);
2591
2592         SSVAL(outbuf,smb_vwv0,nwritten);
2593
2594         if (nwritten < (ssize_t)numtowrite) {
2595                 SCVAL(outbuf,smb_rcls,ERRHRD);
2596                 SSVAL(outbuf,smb_err,ERRdiskfull);
2597         }
2598
2599         DEBUG(3,("write fnum=%d num=%d wrote=%d\n", fsp->fnum, (int)numtowrite, (int)nwritten));
2600
2601         END_PROFILE(SMBwrite);
2602         return(outsize);
2603 }
2604
2605 /****************************************************************************
2606  Reply to a write and X.
2607 ****************************************************************************/
2608
2609 int reply_write_and_X(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
2610 {
2611         files_struct *fsp = file_fsp(inbuf,smb_vwv2);
2612         SMB_OFF_T startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv3);
2613         size_t numtowrite = SVAL(inbuf,smb_vwv10);
2614         BOOL write_through = BITSETW(inbuf+smb_vwv7,0);
2615         ssize_t nwritten = -1;
2616         unsigned int smb_doff = SVAL(inbuf,smb_vwv11);
2617         unsigned int smblen = smb_len(inbuf);
2618         char *data;
2619         BOOL large_writeX = ((CVAL(inbuf,smb_wct) == 14) && (smblen > 0xFFFF));
2620         START_PROFILE(SMBwriteX);
2621
2622         /* If it's an IPC, pass off the pipe handler. */
2623         if (IS_IPC(conn)) {
2624                 END_PROFILE(SMBwriteX);
2625                 return reply_pipe_write_and_X(inbuf,outbuf,length,bufsize);
2626         }
2627
2628         CHECK_FSP(fsp,conn);
2629         CHECK_WRITE(fsp);
2630
2631         /* Deal with possible LARGE_WRITEX */
2632         if (large_writeX)
2633                 numtowrite |= ((((size_t)SVAL(inbuf,smb_vwv9)) & 1 )<<16);
2634
2635         if(smb_doff > smblen || (smb_doff + numtowrite > smblen)) {
2636                 END_PROFILE(SMBwriteX);
2637                 return ERROR_DOS(ERRDOS,ERRbadmem);
2638         }
2639
2640         data = smb_base(inbuf) + smb_doff;
2641
2642         if(CVAL(inbuf,smb_wct) == 14) {
2643 #ifdef LARGE_SMB_OFF_T
2644                 /*
2645                  * This is a large offset (64 bit) write.
2646                  */
2647                 startpos |= (((SMB_OFF_T)IVAL(inbuf,smb_vwv12)) << 32);
2648
2649 #else /* !LARGE_SMB_OFF_T */
2650
2651                 /*
2652                  * Ensure we haven't been sent a >32 bit offset.
2653                  */
2654
2655                 if(IVAL(inbuf,smb_vwv12) != 0) {
2656                         DEBUG(0,("reply_write_and_X - large offset (%x << 32) used and we don't support \
2657 64 bit offsets.\n", (unsigned int)IVAL(inbuf,smb_vwv12) ));
2658                         END_PROFILE(SMBwriteX);
2659                         return ERROR_DOS(ERRDOS,ERRbadaccess);
2660                 }
2661
2662 #endif /* LARGE_SMB_OFF_T */
2663         }
2664
2665         if (is_locked(fsp,conn,(SMB_BIG_UINT)numtowrite,(SMB_BIG_UINT)startpos, WRITE_LOCK)) {
2666                 END_PROFILE(SMBwriteX);
2667                 return ERROR_DOS(ERRDOS,ERRlock);
2668         }
2669
2670         /* X/Open SMB protocol says that, unlike SMBwrite
2671         if the length is zero then NO truncation is
2672         done, just a write of zero. To truncate a file,
2673         use SMBwrite. */
2674
2675         if(numtowrite == 0)
2676                 nwritten = 0;
2677         else
2678                 nwritten = write_file(fsp,data,startpos,numtowrite);
2679
2680         if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
2681                 END_PROFILE(SMBwriteX);
2682                 return(UNIXERROR(ERRHRD,ERRdiskfull));
2683         }
2684
2685         set_message(outbuf,6,0,True);
2686
2687         SSVAL(outbuf,smb_vwv2,nwritten);
2688         if (large_writeX)
2689                 SSVAL(outbuf,smb_vwv4,(nwritten>>16)&1);
2690
2691         if (nwritten < (ssize_t)numtowrite) {
2692                 SCVAL(outbuf,smb_rcls,ERRHRD);
2693                 SSVAL(outbuf,smb_err,ERRdiskfull);
2694         }
2695
2696         DEBUG(3,("writeX fnum=%d num=%d wrote=%d\n",
2697                 fsp->fnum, (int)numtowrite, (int)nwritten));
2698
2699         if (lp_syncalways(SNUM(conn)) || write_through)
2700                 sync_file(conn,fsp);
2701
2702         END_PROFILE(SMBwriteX);
2703         return chain_reply(inbuf,outbuf,length,bufsize);
2704 }
2705
2706 /****************************************************************************
2707  Reply to a lseek.
2708 ****************************************************************************/
2709
2710 int reply_lseek(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
2711 {
2712         SMB_OFF_T startpos;
2713         SMB_OFF_T res= -1;
2714         int mode,umode;
2715         int outsize = 0;
2716         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2717         START_PROFILE(SMBlseek);
2718
2719         CHECK_FSP(fsp,conn);
2720
2721         flush_write_cache(fsp, SEEK_FLUSH);
2722
2723         mode = SVAL(inbuf,smb_vwv1) & 3;
2724         /* NB. This doesn't use IVAL_TO_SMB_OFF_T as startpos can be signed in this case. */
2725         startpos = (SMB_OFF_T)IVALS(inbuf,smb_vwv2);
2726
2727         switch (mode) {
2728                 case 0:
2729                         umode = SEEK_SET;
2730                         res = startpos;
2731                         break;
2732                 case 1:
2733                         umode = SEEK_CUR;
2734                         res = fsp->pos + startpos;
2735                         break;
2736                 case 2:
2737                         umode = SEEK_END;
2738                         break;
2739                 default:
2740                         umode = SEEK_SET;
2741                         res = startpos;
2742                         break;
2743         }
2744
2745         if (umode == SEEK_END) {
2746                 if((res = SMB_VFS_LSEEK(fsp,fsp->fd,startpos,umode)) == -1) {
2747                         if(errno == EINVAL) {
2748                                 SMB_OFF_T current_pos = startpos;
2749                                 SMB_STRUCT_STAT sbuf;
2750
2751                                 if(SMB_VFS_FSTAT(fsp,fsp->fd, &sbuf) == -1) {
2752                                         END_PROFILE(SMBlseek);
2753                                         return(UNIXERROR(ERRDOS,ERRnoaccess));
2754                                 }
2755
2756                                 current_pos += sbuf.st_size;
2757                                 if(current_pos < 0)
2758                                         res = SMB_VFS_LSEEK(fsp,fsp->fd,0,SEEK_SET);
2759                         }
2760                 }
2761
2762                 if(res == -1) {
2763                         END_PROFILE(SMBlseek);
2764                         return(UNIXERROR(ERRDOS,ERRnoaccess));
2765                 }
2766         }
2767
2768         fsp->pos = res;
2769
2770         outsize = set_message(outbuf,2,0,True);
2771         SIVAL(outbuf,smb_vwv0,res);
2772
2773         DEBUG(3,("lseek fnum=%d ofs=%.0f newpos = %.0f mode=%d\n",
2774                 fsp->fnum, (double)startpos, (double)res, mode));
2775
2776         END_PROFILE(SMBlseek);
2777         return(outsize);
2778 }
2779
2780 /****************************************************************************
2781  Reply to a flush.
2782 ****************************************************************************/
2783
2784 int reply_flush(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
2785 {
2786         int outsize = set_message(outbuf,0,0,True);
2787         uint16 fnum = SVAL(inbuf,smb_vwv0);
2788         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2789         START_PROFILE(SMBflush);
2790
2791         if (fnum != 0xFFFF)
2792                 CHECK_FSP(fsp,conn);
2793
2794         if (!fsp) {
2795                 file_sync_all(conn);
2796         } else {
2797                 sync_file(conn,fsp);
2798         }
2799
2800         DEBUG(3,("flush\n"));
2801         END_PROFILE(SMBflush);
2802         return(outsize);
2803 }
2804
2805 /****************************************************************************
2806  Reply to a exit.
2807 ****************************************************************************/
2808
2809 int reply_exit(connection_struct *conn,
2810                char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
2811 {
2812         int outsize;
2813         START_PROFILE(SMBexit);
2814
2815         file_close_pid(SVAL(inbuf,smb_pid));
2816
2817         outsize = set_message(outbuf,0,0,True);
2818
2819         DEBUG(3,("exit\n"));
2820
2821         END_PROFILE(SMBexit);
2822         return(outsize);
2823 }
2824
2825 /****************************************************************************
2826  Reply to a close - has to deal with closing a directory opened by NT SMB's.
2827 ****************************************************************************/
2828
2829 int reply_close(connection_struct *conn, char *inbuf,char *outbuf, int size,
2830                 int dum_buffsize)
2831 {
2832         extern struct current_user current_user;
2833         int outsize = 0;
2834         time_t mtime;
2835         int32 eclass = 0, err = 0;
2836         files_struct *fsp = NULL;
2837         START_PROFILE(SMBclose);
2838
2839         outsize = set_message(outbuf,0,0,True);
2840
2841         /* If it's an IPC, pass off to the pipe handler. */
2842         if (IS_IPC(conn)) {
2843                 END_PROFILE(SMBclose);
2844                 return reply_pipe_close(conn, inbuf,outbuf);
2845         }
2846
2847         fsp = file_fsp(inbuf,smb_vwv0);
2848
2849         /*
2850          * We can only use CHECK_FSP if we know it's not a directory.
2851          */
2852
2853         if(!fsp || (fsp->conn != conn) || (fsp->vuid != current_user.vuid)) {
2854                 END_PROFILE(SMBclose);
2855                 return ERROR_DOS(ERRDOS,ERRbadfid);
2856         }
2857
2858         if(fsp->is_directory) {
2859                 /*
2860                  * Special case - close NT SMB directory handle.
2861                  */
2862                 DEBUG(3,("close %s fnum=%d\n", fsp->is_directory ? "directory" : "stat file open", fsp->fnum));
2863                 close_file(fsp,True);
2864         } else {
2865                 /*
2866                  * Close ordinary file.
2867                  */
2868                 int close_err;
2869                 pstring file_name;
2870
2871                 /* Save the name for time set in close. */
2872                 pstrcpy( file_name, fsp->fsp_name);
2873
2874                 DEBUG(3,("close fd=%d fnum=%d (numopen=%d)\n",
2875                          fsp->fd, fsp->fnum,
2876                          conn->num_files_open));
2877
2878                 /*
2879                  * close_file() returns the unix errno if an error
2880                  * was detected on close - normally this is due to
2881                  * a disk full error. If not then it was probably an I/O error.
2882                  */
2883
2884                 if((close_err = close_file(fsp,True)) != 0) {
2885                         errno = close_err;
2886                         END_PROFILE(SMBclose);
2887                         return (UNIXERROR(ERRHRD,ERRgeneral));
2888                 }
2889
2890                 /*
2891                  * Now take care of any time sent in the close.
2892                  */
2893
2894                 mtime = make_unix_date3(inbuf+smb_vwv1);
2895
2896                 /* try and set the date */
2897                 set_filetime(conn, file_name, mtime);
2898
2899         }
2900
2901         /* We have a cached error */
2902         if(eclass || err) {
2903                 END_PROFILE(SMBclose);
2904                 return ERROR_DOS(eclass,err);
2905         }
2906
2907         END_PROFILE(SMBclose);
2908         return(outsize);
2909 }
2910
2911 /****************************************************************************
2912  Reply to a writeclose (Core+ protocol).
2913 ****************************************************************************/
2914
2915 int reply_writeclose(connection_struct *conn,
2916                      char *inbuf,char *outbuf, int size, int dum_buffsize)
2917 {
2918         size_t numtowrite;
2919         ssize_t nwritten = -1;
2920         int outsize = 0;
2921         int close_err = 0;
2922         SMB_OFF_T startpos;
2923         char *data;
2924         time_t mtime;
2925         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2926         START_PROFILE(SMBwriteclose);
2927
2928         CHECK_FSP(fsp,conn);
2929         CHECK_WRITE(fsp);
2930
2931         numtowrite = SVAL(inbuf,smb_vwv1);
2932         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
2933         mtime = make_unix_date3(inbuf+smb_vwv4);
2934         data = smb_buf(inbuf) + 1;
2935
2936         if (numtowrite && is_locked(fsp,conn,(SMB_BIG_UINT)numtowrite,(SMB_BIG_UINT)startpos, WRITE_LOCK)) {
2937                 END_PROFILE(SMBwriteclose);
2938                 return ERROR_DOS(ERRDOS,ERRlock);
2939         }
2940
2941         nwritten = write_file(fsp,data,startpos,numtowrite);
2942
2943         set_filetime(conn, fsp->fsp_name,mtime);
2944
2945         /*
2946          * More insanity. W2K only closes the file if writelen > 0.
2947          * JRA.
2948          */
2949
2950         if (numtowrite) {
2951                 DEBUG(3,("reply_writeclose: zero length write doesn't close file %s\n",
2952                         fsp->fsp_name ));
2953                 close_err = close_file(fsp,True);
2954         }
2955
2956         DEBUG(3,("writeclose fnum=%d num=%d wrote=%d (numopen=%d)\n",
2957                  fsp->fnum, (int)numtowrite, (int)nwritten,
2958                  conn->num_files_open));
2959
2960         if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
2961                 END_PROFILE(SMBwriteclose);
2962                 return(UNIXERROR(ERRHRD,ERRdiskfull));
2963         }
2964
2965         if(close_err != 0) {
2966                 errno = close_err;
2967                 END_PROFILE(SMBwriteclose);
2968                 return(UNIXERROR(ERRHRD,ERRgeneral));
2969         }
2970
2971         outsize = set_message(outbuf,1,0,True);
2972
2973         SSVAL(outbuf,smb_vwv0,nwritten);
2974         END_PROFILE(SMBwriteclose);
2975         return(outsize);
2976 }
2977
2978 /****************************************************************************
2979  Reply to a lock.
2980 ****************************************************************************/
2981
2982 int reply_lock(connection_struct *conn,
2983                char *inbuf,char *outbuf, int length, int dum_buffsize)
2984 {
2985         int outsize = set_message(outbuf,0,0,True);
2986         SMB_BIG_UINT count,offset;
2987         NTSTATUS status;
2988         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
2989         BOOL my_lock_ctx = False;
2990
2991         START_PROFILE(SMBlock);
2992
2993         CHECK_FSP(fsp,conn);
2994
2995         release_level_2_oplocks_on_change(fsp);
2996
2997         count = (SMB_BIG_UINT)IVAL(inbuf,smb_vwv1);
2998         offset = (SMB_BIG_UINT)IVAL(inbuf,smb_vwv3);
2999
3000         DEBUG(3,("lock fd=%d fnum=%d offset=%.0f count=%.0f\n",
3001                  fsp->fd, fsp->fnum, (double)offset, (double)count));
3002
3003         status = do_lock_spin(fsp, conn, SVAL(inbuf,smb_pid), count, offset, WRITE_LOCK, &my_lock_ctx);
3004         if (NT_STATUS_V(status)) {
3005 #if 0
3006                 /* Tests using Samba4 against W2K show this call never creates a blocking lock. */
3007                 if (lp_blocking_locks(SNUM(conn)) && !my_lock_ctx && ERROR_WAS_LOCK_DENIED(status)) {
3008                         /*
3009                          * A blocking lock was requested. Package up
3010                          * this smb into a queued request and push it
3011                          * onto the blocking lock queue.
3012                          */
3013                         if(push_blocking_lock_request(inbuf, length, -1, 0, SVAL(inbuf,smb_pid), offset, count)) {
3014                                 END_PROFILE(SMBlock);
3015                                 return -1;
3016                         }
3017                 }
3018 #endif
3019                 END_PROFILE(SMBlock);
3020                 return ERROR_NT(status);
3021         }
3022
3023         END_PROFILE(SMBlock);
3024         return(outsize);
3025 }
3026
3027 /****************************************************************************
3028  Reply to a unlock.
3029 ****************************************************************************/
3030
3031 int reply_unlock(connection_struct *conn, char *inbuf,char *outbuf, int size,
3032                  int dum_buffsize)
3033 {
3034         int outsize = set_message(outbuf,0,0,True);
3035         SMB_BIG_UINT count,offset;
3036         NTSTATUS status;
3037         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
3038         START_PROFILE(SMBunlock);
3039
3040         CHECK_FSP(fsp,conn);
3041
3042         count = (SMB_BIG_UINT)IVAL(inbuf,smb_vwv1);
3043         offset = (SMB_BIG_UINT)IVAL(inbuf,smb_vwv3);
3044
3045         status = do_unlock(fsp, conn, SVAL(inbuf,smb_pid), count, offset);
3046         if (NT_STATUS_V(status)) {
3047                 END_PROFILE(SMBunlock);
3048                 return ERROR_NT(status);
3049         }
3050
3051         DEBUG( 3, ( "unlock fd=%d fnum=%d offset=%.0f count=%.0f\n",
3052                     fsp->fd, fsp->fnum, (double)offset, (double)count ) );
3053
3054         END_PROFILE(SMBunlock);
3055         return(outsize);
3056 }
3057
3058 /****************************************************************************
3059  Reply to a tdis.
3060 ****************************************************************************/
3061
3062 int reply_tdis(connection_struct *conn,
3063                char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3064 {
3065         int outsize = set_message(outbuf,0,0,True);
3066         uint16 vuid;
3067         START_PROFILE(SMBtdis);
3068
3069         vuid = SVAL(inbuf,smb_uid);
3070
3071         if (!conn) {
3072                 DEBUG(4,("Invalid connection in tdis\n"));
3073                 END_PROFILE(SMBtdis);
3074                 return ERROR_DOS(ERRSRV,ERRinvnid);
3075         }
3076
3077         conn->used = False;
3078
3079         close_cnum(conn,vuid);
3080
3081         END_PROFILE(SMBtdis);
3082         return outsize;
3083 }
3084
3085 /****************************************************************************
3086  Reply to a echo.
3087 ****************************************************************************/
3088
3089 int reply_echo(connection_struct *conn,
3090                char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3091 {
3092         int smb_reverb = SVAL(inbuf,smb_vwv0);
3093         int seq_num;
3094         unsigned int data_len = smb_buflen(inbuf);
3095         int outsize = set_message(outbuf,1,data_len,True);
3096         START_PROFILE(SMBecho);
3097
3098         if (data_len > BUFFER_SIZE) {
3099                 DEBUG(0,("reply_echo: data_len too large.\n"));
3100                 END_PROFILE(SMBecho);
3101                 return -1;
3102         }
3103
3104         /* copy any incoming data back out */
3105         if (data_len > 0)
3106                 memcpy(smb_buf(outbuf),smb_buf(inbuf),data_len);
3107
3108         if (smb_reverb > 100) {
3109                 DEBUG(0,("large reverb (%d)?? Setting to 100\n",smb_reverb));
3110                 smb_reverb = 100;
3111         }
3112
3113         for (seq_num =1 ; seq_num <= smb_reverb ; seq_num++) {
3114                 SSVAL(outbuf,smb_vwv0,seq_num);
3115
3116                 smb_setlen(outbuf,outsize - 4);
3117
3118                 if (!send_smb(smbd_server_fd(),outbuf))
3119                         exit_server("reply_echo: send_smb failed.");
3120         }
3121
3122         DEBUG(3,("echo %d times\n", smb_reverb));
3123
3124         smb_echo_count++;
3125
3126         END_PROFILE(SMBecho);
3127         return -1;
3128 }
3129
3130 /****************************************************************************
3131  Reply to a printopen.
3132 ****************************************************************************/
3133
3134 int reply_printopen(connection_struct *conn,
3135                     char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3136 {
3137         int outsize = 0;
3138         files_struct *fsp;
3139         START_PROFILE(SMBsplopen);
3140
3141         if (!CAN_PRINT(conn)) {
3142                 END_PROFILE(SMBsplopen);
3143                 return ERROR_DOS(ERRDOS,ERRnoaccess);
3144         }
3145
3146         /* Open for exclusive use, write only. */
3147         fsp = print_fsp_open(conn, NULL);
3148
3149         if (!fsp) {
3150                 END_PROFILE(SMBsplopen);
3151                 return(UNIXERROR(ERRDOS,ERRnoaccess));
3152         }
3153
3154         outsize = set_message(outbuf,1,0,True);
3155         SSVAL(outbuf,smb_vwv0,fsp->fnum);
3156
3157         DEBUG(3,("openprint fd=%d fnum=%d\n",
3158                  fsp->fd, fsp->fnum));
3159
3160         END_PROFILE(SMBsplopen);
3161         return(outsize);
3162 }
3163
3164 /****************************************************************************
3165  Reply to a printclose.
3166 ****************************************************************************/
3167
3168 int reply_printclose(connection_struct *conn,
3169                      char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3170 {
3171         int outsize = set_message(outbuf,0,0,True);
3172         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
3173         int close_err = 0;
3174         START_PROFILE(SMBsplclose);
3175
3176         CHECK_FSP(fsp,conn);
3177
3178         if (!CAN_PRINT(conn)) {
3179                 END_PROFILE(SMBsplclose);
3180                 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
3181         }
3182
3183         DEBUG(3,("printclose fd=%d fnum=%d\n",
3184                  fsp->fd,fsp->fnum));
3185
3186         close_err = close_file(fsp,True);
3187
3188         if(close_err != 0) {
3189                 errno = close_err;
3190                 END_PROFILE(SMBsplclose);
3191                 return(UNIXERROR(ERRHRD,ERRgeneral));
3192         }
3193
3194         END_PROFILE(SMBsplclose);
3195         return(outsize);
3196 }
3197
3198 /****************************************************************************
3199  Reply to a printqueue.
3200 ****************************************************************************/
3201
3202 int reply_printqueue(connection_struct *conn,
3203                      char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3204 {
3205         int outsize = set_message(outbuf,2,3,True);
3206         int max_count = SVAL(inbuf,smb_vwv0);
3207         int start_index = SVAL(inbuf,smb_vwv1);
3208         START_PROFILE(SMBsplretq);
3209
3210         /* we used to allow the client to get the cnum wrong, but that
3211            is really quite gross and only worked when there was only
3212            one printer - I think we should now only accept it if they
3213            get it right (tridge) */
3214         if (!CAN_PRINT(conn)) {
3215                 END_PROFILE(SMBsplretq);
3216                 return ERROR_DOS(ERRDOS,ERRnoaccess);
3217         }
3218
3219         SSVAL(outbuf,smb_vwv0,0);
3220         SSVAL(outbuf,smb_vwv1,0);
3221         SCVAL(smb_buf(outbuf),0,1);
3222         SSVAL(smb_buf(outbuf),1,0);
3223
3224         DEBUG(3,("printqueue start_index=%d max_count=%d\n",
3225                  start_index, max_count));
3226
3227         {
3228                 print_queue_struct *queue = NULL;
3229                 print_status_struct status;
3230                 char *p = smb_buf(outbuf) + 3;
3231                 int count = print_queue_status(SNUM(conn), &queue, &status);
3232                 int num_to_get = ABS(max_count);
3233                 int first = (max_count>0?start_index:start_index+max_count+1);
3234                 int i;
3235
3236                 if (first >= count)
3237                         num_to_get = 0;
3238                 else
3239                         num_to_get = MIN(num_to_get,count-first);
3240
3241
3242                 for (i=first;i<first+num_to_get;i++) {
3243                         put_dos_date2(p,0,queue[i].time);
3244                         SCVAL(p,4,(queue[i].status==LPQ_PRINTING?2:3));
3245                         SSVAL(p,5, queue[i].job);
3246                         SIVAL(p,7,queue[i].size);
3247                         SCVAL(p,11,0);
3248                         srvstr_push(outbuf, p+12, queue[i].fs_user, 16, STR_ASCII);
3249                         p += 28;
3250                 }
3251
3252                 if (count > 0) {
3253                         outsize = set_message(outbuf,2,28*count+3,False);
3254                         SSVAL(outbuf,smb_vwv0,count);
3255                         SSVAL(outbuf,smb_vwv1,(max_count>0?first+count:first-1));
3256                         SCVAL(smb_buf(outbuf),0,1);
3257                         SSVAL(smb_buf(outbuf),1,28*count);
3258                 }
3259
3260                 SAFE_FREE(queue);
3261
3262                 DEBUG(3,("%d entries returned in queue\n",count));
3263         }
3264
3265         END_PROFILE(SMBsplretq);
3266         return(outsize);
3267 }
3268
3269 /****************************************************************************
3270  Reply to a printwrite.
3271 ****************************************************************************/
3272
3273 int reply_printwrite(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3274 {
3275         int numtowrite;
3276         int outsize = set_message(outbuf,0,0,True);
3277         char *data;
3278         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
3279
3280         START_PROFILE(SMBsplwr);
3281
3282         if (!CAN_PRINT(conn)) {
3283                 END_PROFILE(SMBsplwr);
3284                 return ERROR_DOS(ERRDOS,ERRnoaccess);
3285         }
3286
3287         CHECK_FSP(fsp,conn);
3288         CHECK_WRITE(fsp);
3289
3290         numtowrite = SVAL(smb_buf(inbuf),1);
3291         data = smb_buf(inbuf) + 3;
3292
3293         if (write_file(fsp,data,-1,numtowrite) != numtowrite) {
3294                 END_PROFILE(SMBsplwr);
3295                 return(UNIXERROR(ERRHRD,ERRdiskfull));
3296         }
3297
3298         DEBUG( 3, ( "printwrite fnum=%d num=%d\n", fsp->fnum, numtowrite ) );
3299
3300         END_PROFILE(SMBsplwr);
3301         return(outsize);
3302 }
3303
3304 /****************************************************************************
3305  The guts of the mkdir command, split out so it may be called by the NT SMB
3306  code.
3307 ****************************************************************************/
3308
3309 NTSTATUS mkdir_internal(connection_struct *conn, pstring directory)
3310 {
3311         BOOL bad_path = False;
3312         SMB_STRUCT_STAT sbuf;
3313         int ret= -1;
3314
3315         unix_convert(directory,conn,0,&bad_path,&sbuf);
3316
3317         if( strchr_m(directory, ':')) {
3318                 return NT_STATUS_NOT_A_DIRECTORY;
3319         }
3320
3321         if (ms_has_wild(directory)) {
3322                 return NT_STATUS_OBJECT_NAME_INVALID;
3323         }
3324
3325         if (bad_path) {
3326                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
3327         }
3328
3329         if (check_name(directory, conn))
3330                 ret = vfs_MkDir(conn,directory,unix_mode(conn,aDIR,directory,True));
3331
3332         if (ret == -1) {
3333                 if(errno == ENOENT) {
3334                         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3335                 }
3336                 return map_nt_error_from_unix(errno);
3337         }
3338
3339         return NT_STATUS_OK;
3340 }
3341
3342 /****************************************************************************
3343  Reply to a mkdir.
3344 ****************************************************************************/
3345
3346 int reply_mkdir(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3347 {
3348         pstring directory;
3349         int outsize;
3350         NTSTATUS status;
3351         START_PROFILE(SMBmkdir);
3352
3353         srvstr_get_path(inbuf, directory, smb_buf(inbuf) + 1, sizeof(directory), 0, STR_TERMINATE, &status, False);
3354         if (!NT_STATUS_IS_OK(status)) {
3355                 END_PROFILE(SMBmkdir);
3356                 return ERROR_NT(status);
3357         }
3358
3359         RESOLVE_DFSPATH(directory, conn, inbuf, outbuf);
3360
3361         status = mkdir_internal(conn, directory);
3362         if (!NT_STATUS_IS_OK(status)) {
3363                 END_PROFILE(SMBmkdir);
3364                 return ERROR_NT(status);
3365         }
3366
3367         outsize = set_message(outbuf,0,0,True);
3368
3369         DEBUG( 3, ( "mkdir %s ret=%d\n", directory, outsize ) );
3370
3371         END_PROFILE(SMBmkdir);
3372         return(outsize);
3373 }
3374
3375 /****************************************************************************
3376  Static function used by reply_rmdir to delete an entire directory
3377  tree recursively. Return False on ok, True on fail.
3378 ****************************************************************************/
3379
3380 static BOOL recursive_rmdir(connection_struct *conn, char *directory)
3381 {
3382         const char *dname = NULL;
3383         BOOL ret = False;
3384         long offset = 0;
3385         struct smb_Dir *dir_hnd = OpenDir(conn, directory);
3386
3387         if(dir_hnd == NULL)
3388                 return True;
3389
3390         while((dname = ReadDirName(dir_hnd, &offset))) {
3391                 pstring fullname;
3392                 SMB_STRUCT_STAT st;
3393
3394                 if((strcmp(dname, ".") == 0) || (strcmp(dname, "..")==0))
3395                         continue;
3396
3397                 if (!is_visible_file(conn, directory, dname, &st, False))
3398                         continue;
3399
3400                 /* Construct the full name. */
3401                 if(strlen(directory) + strlen(dname) + 1 >= sizeof(fullname)) {
3402                         errno = ENOMEM;
3403                         ret = True;
3404                         break;
3405                 }
3406
3407                 pstrcpy(fullname, directory);
3408                 pstrcat(fullname, "/");
3409                 pstrcat(fullname, dname);
3410
3411                 if(SMB_VFS_LSTAT(conn,fullname, &st) != 0) {
3412                         ret = True;
3413                         break;
3414                 }
3415
3416                 if(st.st_mode & S_IFDIR) {
3417                         if(recursive_rmdir(conn, fullname)!=0) {
3418                                 ret = True;
3419                                 break;
3420                         }
3421                         if(SMB_VFS_RMDIR(conn,fullname) != 0) {
3422                                 ret = True;
3423                                 break;
3424                         }
3425                 } else if(SMB_VFS_UNLINK(conn,fullname) != 0) {
3426                         ret = True;
3427                         break;
3428                 }
3429         }
3430         CloseDir(dir_hnd);
3431         return ret;
3432 }
3433
3434 /****************************************************************************
3435  The internals of the rmdir code - called elsewhere.
3436 ****************************************************************************/
3437
3438 BOOL rmdir_internals(connection_struct *conn, char *directory)
3439 {
3440         BOOL ok;
3441         SMB_STRUCT_STAT st;
3442
3443         ok = (SMB_VFS_RMDIR(conn,directory) == 0);
3444         if(!ok && ((errno == ENOTEMPTY)||(errno == EEXIST)) && lp_veto_files(SNUM(conn))) {
3445                 /*
3446                  * Check to see if the only thing in this directory are
3447                  * vetoed files/directories. If so then delete them and
3448                  * retry. If we fail to delete any of them (and we *don't*
3449                  * do a recursive delete) then fail the rmdir.
3450                  */
3451                 BOOL all_veto_files = True;
3452                 const char *dname;
3453                 struct smb_Dir *dir_hnd = OpenDir(conn, directory);
3454
3455                 if(dir_hnd != NULL) {
3456                         long dirpos = TellDir(dir_hnd);
3457                         while ((dname = ReadDirName(dir_hnd,&dirpos))) {
3458                                 if((strcmp(dname, ".") == 0) || (strcmp(dname, "..")==0))
3459                                         continue;
3460                                 if (!is_visible_file(conn, directory, dname, &st, False))
3461                                         continue;
3462                                 if(!IS_VETO_PATH(conn, dname)) {
3463                                         all_veto_files = False;
3464                                         break;
3465                                 }
3466                         }
3467
3468                         if(all_veto_files) {
3469                                 SeekDir(dir_hnd,dirpos);
3470                                 while ((dname = ReadDirName(dir_hnd,&dirpos))) {
3471                                         pstring fullname;
3472
3473                                         if((strcmp(dname, ".") == 0) || (strcmp(dname, "..")==0))
3474                                                 continue;
3475                                         if (!is_visible_file(conn, directory, dname, &st, False))
3476                                                 continue;
3477
3478                                         /* Construct the full name. */
3479                                         if(strlen(directory) + strlen(dname) + 1 >= sizeof(fullname)) {
3480                                                 errno = ENOMEM;
3481                                                 break;
3482                                         }
3483
3484                                         pstrcpy(fullname, directory);
3485                                         pstrcat(fullname, "/");
3486                                         pstrcat(fullname, dname);
3487
3488                                         if(SMB_VFS_LSTAT(conn,fullname, &st) != 0)
3489                                                 break;
3490                                         if(st.st_mode & S_IFDIR) {
3491                                                 if(lp_recursive_veto_delete(SNUM(conn))) {
3492                                                         if(recursive_rmdir(conn, fullname) != 0)
3493                                                                 break;
3494                                                 }
3495                                                 if(SMB_VFS_RMDIR(conn,fullname) != 0)
3496                                                         break;
3497                                         } else if(SMB_VFS_UNLINK(conn,fullname) != 0)
3498                                                 break;
3499                                 }
3500                                 CloseDir(dir_hnd);
3501                                 /* Retry the rmdir */
3502                                 ok = (SMB_VFS_RMDIR(conn,directory) == 0);
3503                         } else {
3504                                 CloseDir(dir_hnd);
3505                         }
3506                 } else {
3507                         errno = ENOTEMPTY;
3508                 }
3509         }
3510
3511         if (!ok)
3512                 DEBUG(3,("rmdir_internals: couldn't remove directory %s : %s\n", directory,strerror(errno)));
3513
3514         return ok;
3515 }
3516
3517 /****************************************************************************
3518  Reply to a rmdir.
3519 ****************************************************************************/
3520
3521 int reply_rmdir(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
3522 {
3523         pstring directory;
3524         int outsize = 0;
3525         BOOL ok = False;
3526         BOOL bad_path = False;
3527         SMB_STRUCT_STAT sbuf;
3528         NTSTATUS status;
3529         START_PROFILE(SMBrmdir);
3530
3531         srvstr_get_path(inbuf, directory, smb_buf(inbuf) + 1, sizeof(directory), 0, STR_TERMINATE, &status, False);
3532         if (!NT_STATUS_IS_OK(status)) {
3533                 END_PROFILE(SMBrmdir);
3534                 return ERROR_NT(status);
3535         }
3536
3537         RESOLVE_DFSPATH(directory, conn, inbuf, outbuf)
3538
3539         unix_convert(directory,conn, NULL,&bad_path,&sbuf);
3540         if (bad_path) {
3541                 END_PROFILE(SMBrmdir);
3542                 return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
3543         }
3544
3545         if (check_name(directory,conn)) {
3546                 dptr_closepath(directory,SVAL(inbuf,smb_pid));
3547                 ok = rmdir_internals(conn, directory);
3548         }
3549
3550         if (!ok) {
3551                 END_PROFILE(SMBrmdir);
3552                 return set_bad_path_error(errno, bad_path, outbuf, ERRDOS, ERRbadpath);
3553         }
3554
3555         outsize = set_message(outbuf,0,0,True);
3556
3557         DEBUG( 3, ( "rmdir %s\n", directory ) );
3558
3559         END_PROFILE(SMBrmdir);
3560         return(outsize);
3561 }
3562
3563 /*******************************************************************
3564  Resolve wildcards in a filename rename.
3565  Note that name is in UNIX charset and thus potentially can be more
3566  than fstring buffer (255 bytes) especially in default UTF-8 case.
3567  Therefore, we use pstring inside and all calls should ensure that
3568  name2 is at least pstring-long (they do already)
3569 ********************************************************************/
3570
3571 static BOOL resolve_wildcards(const char *name1, char *name2)
3572 {
3573         pstring root1,root2;
3574         pstring ext1,ext2;
3575         char *p,*p2, *pname1, *pname2;
3576         int available_space, actual_space;
3577
3578
3579         pname1 = strrchr_m(name1,'/');
3580         pname2 = strrchr_m(name2,'/');
3581
3582         if (!pname1 || !pname2)
3583                 return(False);
3584
3585         pstrcpy(root1,pname1);
3586         pstrcpy(root2,pname2);
3587         p = strrchr_m(root1,'.');
3588         if (p) {
3589                 *p = 0;
3590                 pstrcpy(ext1,p+1);
3591         } else {
3592                 pstrcpy(ext1,"");
3593         }
3594         p = strrchr_m(root2,'.');
3595         if (p) {
3596                 *p = 0;
3597                 pstrcpy(ext2,p+1);
3598         } else {
3599                 pstrcpy(ext2,"");
3600         }
3601
3602         p = root1;
3603         p2 = root2;
3604         while (*p2) {
3605                 if (*p2 == '?') {
3606                         *p2 = *p;
3607                         p2++;
3608                 } else if (*p2 == '*') {
3609                         pstrcpy(p2, p);
3610                         break;
3611                 } else {
3612                         p2++;
3613                 }
3614                 if (*p)
3615                         p++;
3616         }
3617
3618         p = ext1;
3619         p2 = ext2;
3620         while (*p2) {
3621                 if (*p2 == '?') {
3622                         *p2 = *p;
3623                         p2++;
3624                 } else if (*p2 == '*') {
3625                         pstrcpy(p2, p);
3626                         break;
3627                 } else {
3628                         p2++;
3629                 }
3630                 if (*p)
3631                         p++;
3632         }
3633
3634         available_space = sizeof(pstring) - PTR_DIFF(pname2, name2);
3635
3636         if (ext2[0]) {
3637                 actual_space = snprintf(pname2, available_space - 1, "%s.%s", root2, ext2);
3638                 if (actual_space >= available_space - 1) {
3639                         DEBUG(1,("resolve_wildcards: can't fit resolved name into specified buffer (overrun by %d bytes)\n",
3640                                 actual_space - available_space));
3641                 }
3642         } else {
3643                 pstrcpy_base(pname2, root2, name2);
3644         }
3645
3646         return(True);
3647 }
3648
3649 /****************************************************************************
3650  Ensure open files have their names updates.
3651 ****************************************************************************/
3652
3653 static void rename_open_files(connection_struct *conn, SMB_DEV_T dev, SMB_INO_T inode, char *newname)
3654 {
3655         files_struct *fsp;
3656         BOOL did_rename = False;
3657
3658         for(fsp = file_find_di_first(dev, inode); fsp; fsp = file_find_di_next(fsp)) {
3659                 DEBUG(10,("rename_open_files: renaming file fnum %d (dev = %x, inode = %.0f) from %s -> %s\n",
3660                         fsp->fnum, (unsigned int)fsp->dev, (double)fsp->inode,
3661                         fsp->fsp_name, newname ));
3662                 string_set(&fsp->fsp_name, newname);
3663                 did_rename = True;
3664         }
3665
3666         if (!did_rename)
3667                 DEBUG(10,("rename_open_files: no open files on dev %x, inode %.0f for %s\n",
3668                         (unsigned int)dev, (double)inode, newname ));
3669 }
3670
3671 /****************************************************************************
3672  Rename an open file - given an fsp.
3673 ****************************************************************************/
3674
3675 NTSTATUS rename_internals_fsp(connection_struct *conn, files_struct *fsp, char *newname, uint16 attrs, BOOL replace_if_exists)
3676 {
3677         SMB_STRUCT_STAT sbuf;
3678         BOOL bad_path = False;
3679         pstring newname_last_component;
3680         NTSTATUS error = NT_STATUS_OK;
3681         BOOL dest_exists;
3682         BOOL rcdest = True;
3683
3684         ZERO_STRUCT(sbuf);
3685         rcdest = unix_convert(newname,conn,newname_last_component,&bad_path,&sbuf);
3686
3687         /* Quick check for "." and ".." */
3688         if (!bad_path && newname_last_component[0] == '.') {
3689                 if (!newname_last_component[1] || (newname_last_component[1] == '.' && !newname_last_component[2])) {
3690                         return NT_STATUS_ACCESS_DENIED;
3691                 }
3692         }
3693         if (!rcdest && bad_path) {
3694                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
3695         }
3696
3697         /* Ensure newname contains a '/' */
3698         if(strrchr_m(newname,'/') == 0) {
3699                 pstring tmpstr;
3700
3701                 pstrcpy(tmpstr, "./");
3702                 pstrcat(tmpstr, newname);
3703                 pstrcpy(newname, tmpstr);
3704         }
3705
3706         /*
3707          * Check for special case with case preserving and not
3708          * case sensitive. If the old last component differs from the original
3709          * last component only by case, then we should allow
3710          * the rename (user is trying to change the case of the
3711          * filename).
3712          */
3713
3714         if((conn->case_sensitive == False) && (conn->case_preserve == True) &&
3715                         strequal(newname, fsp->fsp_name)) {
3716                 char *p;
3717                 pstring newname_modified_last_component;
3718
3719                 /*
3720                  * Get the last component of the modified name.
3721                  * Note that we guarantee that newname contains a '/'
3722                  * character above.
3723                  */
3724                 p = strrchr_m(newname,'/');
3725                 pstrcpy(newname_modified_last_component,p+1);
3726
3727                 if(strcsequal(newname_modified_last_component,
3728                               newname_last_component) == False) {
3729                         /*
3730                          * Replace the modified last component with
3731                          * the original.
3732                          */
3733                         pstrcpy(p+1, newname_last_component);
3734                 }
3735         }
3736
3737         /*
3738          * If the src and dest names are identical - including case,
3739          * don't do the rename, just return success.
3740          */
3741
3742         if (strcsequal(fsp->fsp_name, newname)) {
3743                 DEBUG(3,("rename_internals_fsp: identical names in rename %s - returning success\n",
3744                         newname));
3745                 return NT_STATUS_OK;
3746         }
3747
3748         dest_exists = vfs_object_exist(conn,newname,NULL);
3749
3750         if(!replace_if_exists && dest_exists) {
3751                 DEBUG(3,("rename_internals_fsp: dest exists doing rename %s -> %s\n",
3752                         fsp->fsp_name,newname));
3753                 return NT_STATUS_OBJECT_NAME_COLLISION;
3754         }
3755
3756         error = can_rename(conn,newname,attrs,&sbuf);
3757
3758         if (dest_exists && !NT_STATUS_IS_OK(error)) {
3759                 DEBUG(3,("rename_internals: Error %s rename %s -> %s\n",
3760                         nt_errstr(error), fsp->fsp_name,newname));
3761                 if (NT_STATUS_EQUAL(error,NT_STATUS_SHARING_VIOLATION))
3762                         error = NT_STATUS_ACCESS_DENIED;
3763                 return error;
3764         }
3765
3766         if(SMB_VFS_RENAME(conn,fsp->fsp_name, newname) == 0) {
3767                 DEBUG(3,("rename_internals_fsp: succeeded doing rename on %s -> %s\n",
3768                         fsp->fsp_name,newname));
3769                 rename_open_files(conn, fsp->dev, fsp->inode, newname);
3770                 return NT_STATUS_OK;
3771         }
3772
3773         if (errno == ENOTDIR || errno == EISDIR)
3774                 error = NT_STATUS_OBJECT_NAME_COLLISION;
3775         else
3776                 error = map_nt_error_from_unix(errno);
3777
3778         DEBUG(3,("rename_internals_fsp: Error %s rename %s -> %s\n",
3779                 nt_errstr(error), fsp->fsp_name,newname));
3780
3781         return error;
3782 }
3783
3784 /****************************************************************************
3785  The guts of the rename command, split out so it may be called by the NT SMB
3786  code.
3787 ****************************************************************************/
3788
3789 NTSTATUS rename_internals(connection_struct *conn, char *name, char *newname, uint16 attrs, BOOL replace_if_exists)
3790 {
3791         pstring directory;
3792         pstring mask;
3793         pstring last_component_src;
3794         pstring last_component_dest;
3795         char *p;
3796         BOOL has_wild;
3797         BOOL bad_path_src = False;
3798         BOOL bad_path_dest = False;
3799         int count=0;
3800         NTSTATUS error = NT_STATUS_OK;
3801         BOOL rc = True;
3802         BOOL rcdest = True;
3803         SMB_STRUCT_STAT sbuf1, sbuf2;
3804
3805         *directory = *mask = 0;
3806
3807         ZERO_STRUCT(sbuf1);
3808         ZERO_STRUCT(sbuf2);
3809
3810         rc = unix_convert(name,conn,last_component_src,&bad_path_src,&sbuf1);
3811         if (!rc && bad_path_src) {
3812                 if (ms_has_wild(last_component_src))
3813                         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3814                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
3815         }
3816
3817         /* Quick check for "." and ".." */
3818         if (last_component_src[0] == '.') {
3819                 if (!last_component_src[1] || (last_component_src[1] == '.' && !last_component_src[2])) {
3820                         return NT_STATUS_OBJECT_NAME_INVALID;
3821                 }
3822         }
3823
3824         rcdest = unix_convert(newname,conn,last_component_dest,&bad_path_dest,&sbuf2);
3825
3826         /* Quick check for "." and ".." */
3827         if (last_component_dest[0] == '.') {
3828                 if (!last_component_dest[1] || (last_component_dest[1] == '.' && !last_component_dest[2])) {
3829                         return NT_STATUS_OBJECT_NAME_INVALID;
3830                 }
3831         }
3832
3833         /*
3834          * Split the old name into directory and last component
3835          * strings. Note that unix_convert may have stripped off a
3836          * leading ./ from both name and newname if the rename is
3837          * at the root of the share. We need to make sure either both
3838          * name and newname contain a / character or neither of them do
3839          * as this is checked in resolve_wildcards().
3840          */
3841
3842         p = strrchr_m(name,'/');
3843         if (!p) {
3844                 pstrcpy(directory,".");
3845                 pstrcpy(mask,name);
3846         } else {
3847                 *p = 0;
3848                 pstrcpy(directory,name);
3849                 pstrcpy(mask,p+1);
3850                 *p = '/'; /* Replace needed for exceptional test below. */
3851         }
3852
3853         /*
3854          * We should only check the mangled cache
3855          * here if unix_convert failed. This means
3856          * that the path in 'mask' doesn't exist
3857          * on the file system and so we need to look
3858          * for a possible mangle. This patch from
3859          * Tine Smukavec <valentin.smukavec@hermes.si>.
3860          */
3861
3862         if (!rc && mangle_is_mangled(mask))
3863                 mangle_check_cache( mask, sizeof(pstring)-1 );
3864
3865         has_wild = ms_has_wild(mask);
3866
3867         if (!has_wild) {
3868                 /*
3869                  * No wildcards - just process the one file.
3870                  */
3871                 BOOL is_short_name = mangle_is_8_3(name, True);
3872
3873                 /* Add a terminating '/' to the directory name. */
3874                 pstrcat(directory,"/");
3875                 pstrcat(directory,mask);
3876
3877                 /* Ensure newname contains a '/' also */
3878                 if(strrchr_m(newname,'/') == 0) {
3879                         pstring tmpstr;
3880
3881                         pstrcpy(tmpstr, "./");
3882                         pstrcat(tmpstr, newname);
3883                         pstrcpy(newname, tmpstr);
3884                 }
3885
3886                 DEBUG(3,("rename_internals: case_sensitive = %d, case_preserve = %d, short case preserve = %d, \
3887 directory = %s, newname = %s, last_component_dest = %s, is_8_3 = %d\n",
3888                          conn->case_sensitive, conn->case_preserve, conn->short_case_preserve, directory,
3889                          newname, last_component_dest, is_short_name));
3890
3891                 /*
3892                  * Check for special case with case preserving and not
3893                  * case sensitive, if directory and newname are identical,
3894                  * and the old last component differs from the original
3895                  * last component only by case, then we should allow
3896                  * the rename (user is trying to change the case of the
3897                  * filename).
3898                  */
3899                 if((conn->case_sensitive == False) &&
3900                    (((conn->case_preserve == True) &&
3901                      (is_short_name == False)) ||
3902                     ((conn->short_case_preserve == True) &&
3903                      (is_short_name == True))) &&
3904                    strcsequal(directory, newname)) {
3905                         pstring modified_last_component;
3906
3907                         /*
3908                          * Get the last component of the modified name.
3909                          * Note that we guarantee that newname contains a '/'
3910                          * character above.
3911                          */
3912                         p = strrchr_m(newname,'/');
3913                         pstrcpy(modified_last_component,p+1);
3914
3915                         if(strcsequal(modified_last_component,
3916                                       last_component_dest) == False) {
3917                                 /*
3918                                  * Replace the modified last component with
3919                                  * the original.
3920                                  */
3921                                 pstrcpy(p+1, last_component_dest);
3922                         }
3923                 }
3924
3925                 resolve_wildcards(directory,newname);
3926
3927                 /*
3928                  * The source object must exist.
3929                  */
3930
3931                 if (!vfs_object_exist(conn, directory, &sbuf1)) {
3932                         DEBUG(3,("rename_internals: source doesn't exist doing rename %s -> %s\n",
3933                                 directory,newname));
3934
3935                         if (errno == ENOTDIR || errno == EISDIR || errno == ENOENT) {
3936                                 /*
3937                                  * Must return different errors depending on whether the parent
3938                                  * directory existed or not.
3939                                  */
3940
3941                                 p = strrchr_m(directory, '/');
3942                                 if (!p)
3943                                         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3944                                 *p = '\0';
3945                                 if (vfs_object_exist(conn, directory, NULL))
3946                                         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3947                                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
3948                         }
3949                         error = map_nt_error_from_unix(errno);
3950                         DEBUG(3,("rename_internals: Error %s rename %s -> %s\n",
3951                                 nt_errstr(error), directory,newname));
3952
3953                         return error;
3954                 }
3955
3956                 if (!rcdest && bad_path_dest) {
3957                         if (ms_has_wild(last_component_dest))
3958                                 return NT_STATUS_OBJECT_NAME_INVALID;
3959                         return NT_STATUS_OBJECT_PATH_NOT_FOUND;
3960                 }
3961
3962                 error = can_rename(conn,directory,attrs,&sbuf1);
3963
3964                 if (!NT_STATUS_IS_OK(error)) {
3965                         DEBUG(3,("rename_internals: Error %s rename %s -> %s\n",
3966                                 nt_errstr(error), directory,newname));
3967                         return error;
3968                 }
3969
3970                 /*
3971                  * If the src and dest names are identical - including case,
3972                  * don't do the rename, just return success.
3973                  */
3974
3975                 if (strcsequal(directory, newname)) {
3976                         rename_open_files(conn, sbuf1.st_dev, sbuf1.st_ino, newname);
3977                         DEBUG(3,("rename_internals: identical names in rename %s - returning success\n", directory));
3978                         return NT_STATUS_OK;
3979                 }
3980
3981                 if(!replace_if_exists && vfs_object_exist(conn,newname,NULL)) {
3982                         DEBUG(3,("rename_internals: dest exists doing rename %s -> %s\n",
3983                                 directory,newname));
3984                         return NT_STATUS_OBJECT_NAME_COLLISION;
3985                 }
3986
3987                 if(SMB_VFS_RENAME(conn,directory, newname) == 0) {
3988                         DEBUG(3,("rename_internals: succeeded doing rename on %s -> %s\n",
3989                                 directory,newname));
3990                         rename_open_files(conn, sbuf1.st_dev, sbuf1.st_ino, newname);
3991                         return NT_STATUS_OK;
3992                 }
3993
3994                 if (errno == ENOTDIR || errno == EISDIR)
3995                         error = NT_STATUS_OBJECT_NAME_COLLISION;
3996                 else
3997                         error = map_nt_error_from_unix(errno);
3998
3999                 DEBUG(3,("rename_internals: Error %s rename %s -> %s\n",
4000                         nt_errstr(error), directory,newname));
4001
4002                 return error;
4003         } else {
4004                 /*
4005                  * Wildcards - process each file that matches.
4006                  */
4007                 struct smb_Dir *dir_hnd = NULL;
4008                 const char *dname;
4009                 pstring destname;
4010
4011                 if (check_name(directory,conn))
4012                         dir_hnd = OpenDir(conn, directory);
4013
4014                 if (dir_hnd) {
4015                         long offset = 0;
4016                         error = NT_STATUS_NO_SUCH_FILE;
4017 /*                      Was error = NT_STATUS_OBJECT_NAME_NOT_FOUND; - gentest fix. JRA */
4018
4019                         if (strequal(mask,"????????.???"))
4020                                 pstrcpy(mask,"*");
4021
4022                         while ((dname = ReadDirName(dir_hnd, &offset))) {
4023                                 pstring fname;
4024                                 BOOL sysdir_entry = False;
4025
4026                                 pstrcpy(fname,dname);
4027
4028                                 /* Quick check for "." and ".." */
4029                                 if (fname[0] == '.') {
4030                                         if (!fname[1] || (fname[1] == '.' && !fname[2])) {
4031                                                 if (attrs & aDIR) {
4032                                                         sysdir_entry = True;
4033                                                 } else {
4034                                                         continue;
4035                                                 }
4036                                         }
4037                                 }
4038
4039                                 if (!is_visible_file(conn, directory, dname, &sbuf1, False))
4040                                         continue;
4041
4042                                 if(!mask_match(fname, mask, conn->case_sensitive))
4043                                         continue;
4044
4045                                 if (sysdir_entry) {
4046                                         error = NT_STATUS_OBJECT_NAME_INVALID;
4047                                         break;
4048                                 }
4049
4050                                 error = NT_STATUS_ACCESS_DENIED;
4051                                 slprintf(fname,sizeof(fname)-1,"%s/%s",directory,dname);
4052                                 if (!vfs_object_exist(conn, fname, &sbuf1)) {
4053                                         error = NT_STATUS_OBJECT_NAME_NOT_FOUND;
4054                                         DEBUG(6,("rename %s failed. Error %s\n", fname, nt_errstr(error)));
4055                                         continue;
4056                                 }
4057                                 error = can_rename(conn,fname,attrs,&sbuf1);
4058                                 if (!NT_STATUS_IS_OK(error)) {
4059                                         DEBUG(6,("rename %s refused\n", fname));
4060                                         continue;
4061                                 }
4062                                 pstrcpy(destname,newname);
4063
4064                                 if (!resolve_wildcards(fname,destname)) {
4065                                         DEBUG(6,("resolve_wildcards %s %s failed\n",
4066                                                  fname, destname));
4067                                         continue;
4068                                 }
4069
4070                                 if (strcsequal(fname,destname)) {
4071                                         rename_open_files(conn, sbuf1.st_dev, sbuf1.st_ino, newname);
4072                                         DEBUG(3,("rename_internals: identical names in wildcard rename %s - success\n", fname));
4073                                         count++;
4074                                         error = NT_STATUS_OK;
4075                                         continue;
4076                                 }
4077
4078                                 if (!replace_if_exists &&
4079                                     vfs_file_exist(conn,destname, NULL)) {
4080                                         DEBUG(6,("file_exist %s\n", destname));
4081                                         error = NT_STATUS_OBJECT_NAME_COLLISION;
4082                                         continue;
4083                                 }
4084
4085                                 if (!SMB_VFS_RENAME(conn,fname,destname)) {
4086                                         rename_open_files(conn, sbuf1.st_dev, sbuf1.st_ino, newname);
4087                                         count++;
4088                                         error = NT_STATUS_OK;
4089                                 }
4090                                 DEBUG(3,("rename_internals: doing rename on %s -> %s\n",fname,destname));
4091                         }
4092                         CloseDir(dir_hnd);
4093                 }
4094
4095                 if (!NT_STATUS_EQUAL(error,NT_STATUS_NO_SUCH_FILE)) {
4096                         if (!rcdest && bad_path_dest) {
4097                                 if (ms_has_wild(last_component_dest))
4098                                         return NT_STATUS_OBJECT_NAME_INVALID;
4099                                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
4100                         }
4101                 }
4102         }
4103
4104         if (count == 0 && NT_STATUS_IS_OK(error)) {
4105                 error = map_nt_error_from_unix(errno);
4106         }
4107
4108         return error;
4109 }
4110
4111 /****************************************************************************
4112  Reply to a mv.
4113 ****************************************************************************/
4114
4115 int reply_mv(connection_struct *conn, char *inbuf,char *outbuf, int dum_size,
4116              int dum_buffsize)
4117 {
4118         int outsize = 0;
4119         pstring name;
4120         pstring newname;
4121         char *p;
4122         uint16 attrs = SVAL(inbuf,smb_vwv0);
4123         NTSTATUS status;
4124
4125         START_PROFILE(SMBmv);
4126
4127         p = smb_buf(inbuf) + 1;
4128         p += srvstr_get_path(inbuf, name, p, sizeof(name), 0, STR_TERMINATE, &status, True);
4129         if (!NT_STATUS_IS_OK(status)) {
4130                 END_PROFILE(SMBmv);
4131                 return ERROR_NT(status);
4132         }
4133         p++;
4134         p += srvstr_get_path(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status, True);
4135         if (!NT_STATUS_IS_OK(status)) {
4136                 END_PROFILE(SMBmv);
4137                 return ERROR_NT(status);
4138         }
4139
4140         RESOLVE_DFSPATH(name, conn, inbuf, outbuf);
4141         RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
4142
4143         DEBUG(3,("reply_mv : %s -> %s\n",name,newname));
4144
4145         status = rename_internals(conn, name, newname, attrs, False);
4146         if (!NT_STATUS_IS_OK(status)) {
4147                 END_PROFILE(SMBmv);
4148                 if (open_was_deferred(SVAL(inbuf,smb_mid))) {
4149                         /* We have re-scheduled this call. */
4150                         clear_cached_errors();
4151                         return -1;
4152                 }
4153                 return ERROR_NT(status);
4154         }
4155
4156         /*
4157          * Win2k needs a changenotify request response before it will
4158          * update after a rename..
4159          */
4160         process_pending_change_notify_queue((time_t)0);
4161         outsize = set_message(outbuf,0,0,True);
4162
4163         END_PROFILE(SMBmv);
4164         return(outsize);
4165 }
4166
4167 /*******************************************************************
4168  Copy a file as part of a reply_copy.
4169 ******************************************************************/
4170
4171 static BOOL copy_file(char *src,char *dest1,connection_struct *conn, int ofun,
4172                       int count,BOOL target_is_directory, int *err_ret)
4173 {
4174         int Access,action;
4175         SMB_STRUCT_STAT src_sbuf, sbuf2;
4176         SMB_OFF_T ret=-1;
4177         files_struct *fsp1,*fsp2;
4178         pstring dest;
4179         uint32 dosattrs;
4180
4181         *err_ret = 0;
4182
4183         pstrcpy(dest,dest1);
4184         if (target_is_directory) {
4185                 char *p = strrchr_m(src,'/');
4186                 if (p)
4187                         p++;
4188                 else
4189                         p = src;
4190                 pstrcat(dest,"/");
4191                 pstrcat(dest,p);
4192         }
4193
4194         if (!vfs_file_exist(conn,src,&src_sbuf))
4195                 return(False);
4196
4197         fsp1 = open_file_shared(conn,src,&src_sbuf,SET_DENY_MODE(DENY_NONE)|SET_OPEN_MODE(DOS_OPEN_RDONLY),
4198                                         (FILE_FAIL_IF_NOT_EXIST|FILE_EXISTS_OPEN),FILE_ATTRIBUTE_NORMAL,INTERNAL_OPEN_ONLY,
4199                                         &Access,&action);
4200
4201         if (!fsp1)
4202                 return(False);
4203
4204         if (!target_is_directory && count)
4205                 ofun = FILE_EXISTS_OPEN;
4206
4207         dosattrs = dos_mode(conn, src, &src_sbuf);
4208         if (SMB_VFS_STAT(conn,dest,&sbuf2) == -1)
4209                 ZERO_STRUCTP(&sbuf2);
4210
4211         fsp2 = open_file_shared(conn,dest,&sbuf2,SET_DENY_MODE(DENY_NONE)|SET_OPEN_MODE(DOS_OPEN_WRONLY),
4212                         ofun,dosattrs,INTERNAL_OPEN_ONLY,&Access,&action);
4213
4214         if (!fsp2) {
4215                 close_file(fsp1,False);
4216                 return(False);
4217         }
4218
4219         if ((ofun&3) == 1) {
4220                 if(SMB_VFS_LSEEK(fsp2,fsp2->fd,0,SEEK_END) == -1) {
4221                         DEBUG(0,("copy_file: error - vfs lseek returned error %s\n", strerror(errno) ));
4222                         /*
4223                          * Stop the copy from occurring.
4224                          */
4225                         ret = -1;
4226                         src_sbuf.st_size = 0;
4227                 }
4228         }
4229
4230         if (src_sbuf.st_size)
4231                 ret = vfs_transfer_file(fsp1, fsp2, src_sbuf.st_size);
4232
4233         close_file(fsp1,False);
4234
4235         /* Ensure the modtime is set correctly on the destination file. */
4236         fsp2->pending_modtime = src_sbuf.st_mtime;
4237
4238         /*
4239          * As we are opening fsp1 read-only we only expect
4240          * an error on close on fsp2 if we are out of space.
4241          * Thus we don't look at the error return from the
4242          * close of fsp1.
4243          */
4244         *err_ret = close_file(fsp2,False);
4245
4246         return(ret == (SMB_OFF_T)src_sbuf.st_size);
4247 }
4248
4249 /****************************************************************************
4250  Reply to a file copy.
4251 ****************************************************************************/
4252
4253 int reply_copy(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
4254 {
4255         int outsize = 0;
4256         pstring name;
4257         pstring directory;
4258         pstring mask,newname;
4259         char *p;
4260         int count=0;
4261         int error = ERRnoaccess;
4262         int err = 0;
4263         BOOL has_wild;
4264         BOOL exists=False;
4265         int tid2 = SVAL(inbuf,smb_vwv0);
4266         int ofun = SVAL(inbuf,smb_vwv1);
4267         int flags = SVAL(inbuf,smb_vwv2);
4268         BOOL target_is_directory=False;
4269         BOOL bad_path1 = False;
4270         BOOL bad_path2 = False;
4271         BOOL rc = True;
4272         SMB_STRUCT_STAT sbuf1, sbuf2;
4273         NTSTATUS status;
4274
4275         START_PROFILE(SMBcopy);
4276
4277         *directory = *mask = 0;
4278
4279         p = smb_buf(inbuf);
4280         p += srvstr_get_path(inbuf, name, p, sizeof(name), 0, STR_TERMINATE, &status, True);
4281         if (!NT_STATUS_IS_OK(status)) {
4282                 END_PROFILE(SMBcopy);
4283                 return ERROR_NT(status);
4284         }
4285         p += srvstr_get_path(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status, True);
4286         if (!NT_STATUS_IS_OK(status)) {
4287                 END_PROFILE(SMBcopy);
4288                 return ERROR_NT(status);
4289         }
4290
4291         DEBUG(3,("reply_copy : %s -> %s\n",name,newname));
4292
4293         if (tid2 != conn->cnum) {
4294                 /* can't currently handle inter share copies XXXX */
4295                 DEBUG(3,("Rejecting inter-share copy\n"));
4296                 END_PROFILE(SMBcopy);
4297                 return ERROR_DOS(ERRSRV,ERRinvdevice);
4298         }
4299
4300         RESOLVE_DFSPATH(name, conn, inbuf, outbuf);
4301         RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
4302
4303         rc = unix_convert(name,conn,0,&bad_path1,&sbuf1);
4304         unix_convert(newname,conn,0,&bad_path2,&sbuf2);
4305
4306         target_is_directory = VALID_STAT_OF_DIR(sbuf2);
4307
4308         if ((flags&1) && target_is_directory) {
4309                 END_PROFILE(SMBcopy);
4310                 return ERROR_DOS(ERRDOS,ERRbadfile);
4311         }
4312
4313         if ((flags&2) && !target_is_directory) {
4314                 END_PROFILE(SMBcopy);
4315                 return ERROR_DOS(ERRDOS,ERRbadpath);
4316         }
4317
4318         if ((flags&(1<<5)) && VALID_STAT_OF_DIR(sbuf1)) {
4319                 /* wants a tree copy! XXXX */
4320                 DEBUG(3,("Rejecting tree copy\n"));
4321                 END_PROFILE(SMBcopy);
4322                 return ERROR_DOS(ERRSRV,ERRerror);
4323         }
4324
4325         p = strrchr_m(name,'/');
4326         if (!p) {
4327                 pstrcpy(directory,"./");
4328                 pstrcpy(mask,name);
4329         } else {
4330                 *p = 0;
4331                 pstrcpy(directory,name);
4332                 pstrcpy(mask,p+1);
4333         }
4334
4335         /*
4336          * We should only check the mangled cache
4337          * here if unix_convert failed. This means
4338          * that the path in 'mask' doesn't exist
4339          * on the file system and so we need to look
4340          * for a possible mangle. This patch from
4341          * Tine Smukavec <valentin.smukavec@hermes.si>.
4342          */
4343
4344         if (!rc && mangle_is_mangled(mask))
4345                 mangle_check_cache( mask, sizeof(pstring)-1 );
4346
4347         has_wild = ms_has_wild(mask);
4348
4349         if (!has_wild) {
4350                 pstrcat(directory,"/");
4351                 pstrcat(directory,mask);
4352                 if (resolve_wildcards(directory,newname) &&
4353                                 copy_file(directory,newname,conn,ofun, count,target_is_directory,&err))
4354                         count++;
4355                 if(!count && err) {
4356                         errno = err;
4357                         END_PROFILE(SMBcopy);
4358                         return(UNIXERROR(ERRHRD,ERRgeneral));
4359                 }
4360                 if (!count) {
4361                         exists = vfs_file_exist(conn,directory,NULL);
4362                 }
4363         } else {
4364                 struct smb_Dir *dir_hnd = NULL;
4365                 const char *dname;
4366                 pstring destname;
4367
4368                 if (check_name(directory,conn))
4369                         dir_hnd = OpenDir(conn, directory);
4370
4371                 if (dir_hnd) {
4372                         long offset = 0;
4373                         error = ERRbadfile;
4374
4375                         if (strequal(mask,"????????.???"))
4376                                 pstrcpy(mask,"*");
4377
4378                         while ((dname = ReadDirName(dir_hnd, &offset))) {
4379                                 pstring fname;
4380                                 pstrcpy(fname,dname);
4381
4382                                 if (!is_visible_file(conn, directory, dname, &sbuf1, False))
4383                                         continue;
4384
4385                                 if(!mask_match(fname, mask, conn->case_sensitive))
4386                                         continue;
4387
4388                                 error = ERRnoaccess;
4389                                 slprintf(fname,sizeof(fname)-1, "%s/%s",directory,dname);
4390                                 pstrcpy(destname,newname);
4391                                 if (resolve_wildcards(fname,destname) &&
4392                                                 copy_file(fname,destname,conn,ofun,
4393                                                 count,target_is_directory,&err))
4394                                         count++;
4395                                 DEBUG(3,("reply_copy : doing copy on %s -> %s\n",fname,destname));
4396                         }
4397                         CloseDir(dir_hnd);
4398                 }
4399         }
4400
4401         if (count == 0) {
4402                 if(err) {
4403                         /* Error on close... */
4404                         errno = err;
4405                         END_PROFILE(SMBcopy);
4406                         return(UNIXERROR(ERRHRD,ERRgeneral));
4407                 }
4408
4409                 if (exists) {
4410                         END_PROFILE(SMBcopy);
4411                         return ERROR_DOS(ERRDOS,error);
4412                 } else {
4413                         if((errno == ENOENT) && (bad_path1 || bad_path2)) {
4414                                 unix_ERR_class = ERRDOS;
4415                                 unix_ERR_code = ERRbadpath;
4416                         }
4417                         END_PROFILE(SMBcopy);
4418                         return(UNIXERROR(ERRDOS,error));
4419                 }
4420         }
4421
4422         outsize = set_message(outbuf,1,0,True);
4423         SSVAL(outbuf,smb_vwv0,count);
4424
4425         END_PROFILE(SMBcopy);
4426         return(outsize);
4427 }
4428
4429 /****************************************************************************
4430  Reply to a setdir.
4431 ****************************************************************************/
4432
4433 int reply_setdir(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
4434 {
4435         int snum;
4436         int outsize = 0;
4437         BOOL ok = False;
4438         pstring newdir;
4439         NTSTATUS status;
4440
4441         START_PROFILE(pathworks_setdir);
4442
4443         snum = SNUM(conn);
4444         if (!CAN_SETDIR(snum)) {
4445                 END_PROFILE(pathworks_setdir);
4446                 return ERROR_DOS(ERRDOS,ERRnoaccess);
4447         }
4448
4449         srvstr_get_path(inbuf, newdir, smb_buf(inbuf) + 1, sizeof(newdir), 0, STR_TERMINATE, &status, False);
4450         if (!NT_STATUS_IS_OK(status)) {
4451                 END_PROFILE(pathworks_setdir);
4452                 return ERROR_NT(status);
4453         }
4454
4455         if (strlen(newdir) == 0) {
4456                 ok = True;
4457         } else {
4458                 ok = vfs_directory_exist(conn,newdir,NULL);
4459                 if (ok)
4460                         string_set(&conn->connectpath,newdir);
4461         }
4462
4463         if (!ok) {
4464                 END_PROFILE(pathworks_setdir);
4465                 return ERROR_DOS(ERRDOS,ERRbadpath);
4466         }
4467
4468         outsize = set_message(outbuf,0,0,True);
4469         SCVAL(outbuf,smb_reh,CVAL(inbuf,smb_reh));
4470
4471         DEBUG(3,("setdir %s\n", newdir));
4472
4473         END_PROFILE(pathworks_setdir);
4474         return(outsize);
4475 }
4476
4477 /****************************************************************************
4478  Get a lock pid, dealing with large count requests.
4479 ****************************************************************************/
4480
4481 uint16 get_lock_pid( char *data, int data_offset, BOOL large_file_format)
4482 {
4483         if(!large_file_format)
4484                 return SVAL(data,SMB_LPID_OFFSET(data_offset));
4485         else
4486                 return SVAL(data,SMB_LARGE_LPID_OFFSET(data_offset));
4487 }
4488
4489 /****************************************************************************
4490  Get a lock count, dealing with large count requests.
4491 ****************************************************************************/
4492
4493 SMB_BIG_UINT get_lock_count( char *data, int data_offset, BOOL large_file_format)
4494 {
4495         SMB_BIG_UINT count = 0;
4496
4497         if(!large_file_format) {
4498                 count = (SMB_BIG_UINT)IVAL(data,SMB_LKLEN_OFFSET(data_offset));
4499         } else {
4500
4501 #if defined(HAVE_LONGLONG)
4502                 count = (((SMB_BIG_UINT) IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset))) << 32) |
4503                         ((SMB_BIG_UINT) IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset)));
4504 #else /* HAVE_LONGLONG */
4505
4506                 /*
4507                  * NT4.x seems to be broken in that it sends large file (64 bit)
4508                  * lockingX calls even if the CAP_LARGE_FILES was *not*
4509                  * negotiated. For boxes without large unsigned ints truncate the
4510                  * lock count by dropping the top 32 bits.
4511                  */
4512
4513                 if(IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset)) != 0) {
4514                         DEBUG(3,("get_lock_count: truncating lock count (high)0x%x (low)0x%x to just low count.\n",
4515                                 (unsigned int)IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset)),
4516                                 (unsigned int)IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset)) ));
4517                                 SIVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset),0);
4518                 }
4519
4520                 count = (SMB_BIG_UINT)IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset));
4521 #endif /* HAVE_LONGLONG */
4522         }
4523
4524         return count;
4525 }
4526
4527 #if !defined(HAVE_LONGLONG)
4528 /****************************************************************************
4529  Pathetically try and map a 64 bit lock offset into 31 bits. I hate Windows :-).
4530 ****************************************************************************/
4531
4532 static uint32 map_lock_offset(uint32 high, uint32 low)
4533 {
4534         unsigned int i;
4535         uint32 mask = 0;
4536         uint32 highcopy = high;
4537
4538         /*
4539          * Try and find out how many significant bits there are in high.
4540          */
4541
4542         for(i = 0; highcopy; i++)
4543                 highcopy >>= 1;
4544
4545         /*
4546          * We use 31 bits not 32 here as POSIX
4547          * lock offsets may not be negative.
4548          */
4549
4550         mask = (~0) << (31 - i);
4551
4552         if(low & mask)
4553                 return 0; /* Fail. */
4554
4555         high <<= (31 - i);
4556
4557         return (high|low);
4558 }
4559 #endif /* !defined(HAVE_LONGLONG) */
4560
4561 /****************************************************************************
4562  Get a lock offset, dealing with large offset requests.
4563 ****************************************************************************/
4564
4565 SMB_BIG_UINT get_lock_offset( char *data, int data_offset, BOOL large_file_format, BOOL *err)
4566 {
4567         SMB_BIG_UINT offset = 0;
4568
4569         *err = False;
4570
4571         if(!large_file_format) {
4572                 offset = (SMB_BIG_UINT)IVAL(data,SMB_LKOFF_OFFSET(data_offset));
4573         } else {
4574
4575 #if defined(HAVE_LONGLONG)
4576                 offset = (((SMB_BIG_UINT) IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset))) << 32) |
4577                                 ((SMB_BIG_UINT) IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset)));
4578 #else /* HAVE_LONGLONG */
4579
4580                 /*
4581                  * NT4.x seems to be broken in that it sends large file (64 bit)
4582                  * lockingX calls even if the CAP_LARGE_FILES was *not*
4583                  * negotiated. For boxes without large unsigned ints mangle the
4584                  * lock offset by mapping the top 32 bits onto the lower 32.
4585                  */
4586
4587                 if(IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset)) != 0) {
4588                         uint32 low = IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset));
4589                         uint32 high = IVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset));
4590                         uint32 new_low = 0;
4591
4592                         if((new_low = map_lock_offset(high, low)) == 0) {
4593                                 *err = True;
4594                                 return (SMB_BIG_UINT)-1;
4595                         }
4596
4597                         DEBUG(3,("get_lock_offset: truncating lock offset (high)0x%x (low)0x%x to offset 0x%x.\n",
4598                                 (unsigned int)high, (unsigned int)low, (unsigned int)new_low ));
4599                         SIVAL(data,SMB_LARGE_LKOFF_OFFSET_HIGH(data_offset),0);
4600                         SIVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset),new_low);
4601                 }
4602
4603                 offset = (SMB_BIG_UINT)IVAL(data,SMB_LARGE_LKOFF_OFFSET_LOW(data_offset));
4604 #endif /* HAVE_LONGLONG */
4605         }
4606
4607         return offset;
4608 }
4609
4610 /****************************************************************************
4611  Reply to a lockingX request.
4612 ****************************************************************************/
4613
4614 int reply_lockingX(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
4615 {
4616         files_struct *fsp = file_fsp(inbuf,smb_vwv2);
4617         unsigned char locktype = CVAL(inbuf,smb_vwv3);
4618         unsigned char oplocklevel = CVAL(inbuf,smb_vwv3+1);
4619         uint16 num_ulocks = SVAL(inbuf,smb_vwv6);
4620         uint16 num_locks = SVAL(inbuf,smb_vwv7);
4621         SMB_BIG_UINT count = 0, offset = 0;
4622         uint16 lock_pid;
4623         int32 lock_timeout = IVAL(inbuf,smb_vwv4);
4624         int i;
4625         char *data;
4626         BOOL large_file_format = (locktype & LOCKING_ANDX_LARGE_FILES)?True:False;
4627         BOOL err;
4628         BOOL my_lock_ctx = False;
4629         NTSTATUS status;
4630
4631         START_PROFILE(SMBlockingX);
4632
4633         CHECK_FSP(fsp,conn);
4634
4635         data = smb_buf(inbuf);
4636
4637         if (locktype & LOCKING_ANDX_CHANGE_LOCKTYPE) {
4638                 /* we don't support these - and CANCEL_LOCK makes w2k
4639                    and XP reboot so I don't really want to be
4640                    compatible! (tridge) */
4641                 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
4642         }
4643
4644         if (locktype & LOCKING_ANDX_CANCEL_LOCK) {
4645                 /* Need to make this like a cancel.... JRA. */
4646                 return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
4647         }
4648
4649         /* Check if this is an oplock break on a file
4650            we have granted an oplock on.
4651         */
4652         if ((locktype & LOCKING_ANDX_OPLOCK_RELEASE)) {
4653                 /* Client can insist on breaking to none. */
4654                 BOOL break_to_none = (oplocklevel == 0);
4655
4656                 DEBUG(5,("reply_lockingX: oplock break reply (%u) from client for fnum = %d\n",
4657                          (unsigned int)oplocklevel, fsp->fnum ));
4658
4659                 /*
4660                  * Make sure we have granted an exclusive or batch oplock on this file.
4661                  */
4662
4663                 if(!EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
4664                         DEBUG(0,("reply_lockingX: Error : oplock break from client for fnum = %d and \
4665 no oplock granted on this file (%s).\n", fsp->fnum, fsp->fsp_name));
4666
4667                         /* if this is a pure oplock break request then don't send a reply */
4668                         if (num_locks == 0 && num_ulocks == 0) {
4669                                 END_PROFILE(SMBlockingX);
4670                                 return -1;
4671                         } else {
4672                                 END_PROFILE(SMBlockingX);
4673                                 return ERROR_DOS(ERRDOS,ERRlock);
4674                         }
4675                 }
4676
4677                 if (remove_oplock(fsp, break_to_none) == False) {
4678                         DEBUG(0,("reply_lockingX: error in removing oplock on file %s\n",
4679                                  fsp->fsp_name ));
4680                 }
4681
4682                 /* if this is a pure oplock break request then don't send a reply */
4683                 if (num_locks == 0 && num_ulocks == 0) {
4684                         /* Sanity check - ensure a pure oplock break is not a
4685                            chained request. */
4686                         if(CVAL(inbuf,smb_vwv0) != 0xff)
4687                                 DEBUG(0,("reply_lockingX: Error : pure oplock break is a chained %d request !\n",
4688                                          (unsigned int)CVAL(inbuf,smb_vwv0) ));
4689                         END_PROFILE(SMBlockingX);
4690                         return -1;
4691                 }
4692         }
4693
4694         /*
4695          * We do this check *after* we have checked this is not a oplock break
4696          * response message. JRA.
4697          */
4698
4699         release_level_2_oplocks_on_change(fsp);
4700
4701         /* Data now points at the beginning of the list
4702            of smb_unlkrng structs */
4703         for(i = 0; i < (int)num_ulocks; i++) {
4704                 lock_pid = get_lock_pid( data, i, large_file_format);
4705                 count = get_lock_count( data, i, large_file_format);
4706                 offset = get_lock_offset( data, i, large_file_format, &err);
4707
4708                 /*
4709                  * There is no error code marked "stupid client bug".... :-).
4710                  */
4711                 if(err) {
4712                         END_PROFILE(SMBlockingX);
4713                         return ERROR_DOS(ERRDOS,ERRnoaccess);
4714                 }
4715
4716                 DEBUG(10,("reply_lockingX: unlock start=%.0f, len=%.0f for pid %u, file %s\n",
4717                           (double)offset, (double)count, (unsigned int)lock_pid, fsp->fsp_name ));
4718
4719                 status = do_unlock(fsp,conn,lock_pid,count,offset);
4720                 if (NT_STATUS_V(status)) {
4721                         END_PROFILE(SMBlockingX);
4722                         return ERROR_NT(status);
4723                 }
4724         }
4725
4726         /* Setup the timeout in seconds. */
4727
4728         lock_timeout = ((lock_timeout == -1) ? -1 : (lock_timeout+999)/1000);
4729
4730         /* Now do any requested locks */
4731         data += ((large_file_format ? 20 : 10)*num_ulocks);
4732
4733         /* Data now points at the beginning of the list
4734            of smb_lkrng structs */
4735
4736         for(i = 0; i < (int)num_locks; i++) {
4737                 lock_pid = get_lock_pid( data, i, large_file_format);
4738                 count = get_lock_count( data, i, large_file_format);
4739                 offset = get_lock_offset( data, i, large_file_format, &err);
4740
4741                 /*
4742                  * There is no error code marked "stupid client bug".... :-).
4743                  */
4744                 if(err) {
4745                         END_PROFILE(SMBlockingX);
4746                         return ERROR_DOS(ERRDOS,ERRnoaccess);
4747                 }
4748
4749                 DEBUG(10,("reply_lockingX: lock start=%.0f, len=%.0f for pid %u, file %s timeout = %d\n",
4750                         (double)offset, (double)count, (unsigned int)lock_pid,
4751                         fsp->fsp_name, (int)lock_timeout ));
4752
4753                 status = do_lock_spin(fsp,conn,lock_pid, count,offset,
4754                                  ((locktype & 1) ? READ_LOCK : WRITE_LOCK), &my_lock_ctx);
4755                 if (NT_STATUS_V(status)) {
4756                         /*
4757                          * Interesting fact found by IFSTEST /t LockOverlappedTest...
4758                          * Even if it's our own lock context, we need to wait here as
4759                          * there may be an unlock on the way.
4760                          * So I removed a "&& !my_lock_ctx" from the following
4761                          * if statement. JRA.
4762                          */
4763                         if ((lock_timeout != 0) && lp_blocking_locks(SNUM(conn)) && ERROR_WAS_LOCK_DENIED(status)) {
4764                                 /*
4765                                  * A blocking lock was requested. Package up
4766                                  * this smb into a queued request and push it
4767                                  * onto the blocking lock queue.
4768                                  */
4769                                 if(push_blocking_lock_request(inbuf, length, lock_timeout, i, lock_pid, offset, count)) {
4770                                         END_PROFILE(SMBlockingX);
4771                                         return -1;
4772                                 }
4773                         }
4774                         break;
4775                 }
4776         }
4777
4778         /* If any of the above locks failed, then we must unlock
4779            all of the previous locks (X/Open spec). */
4780         if (i != num_locks && num_locks != 0) {
4781                 /*
4782                  * Ensure we don't do a remove on the lock that just failed,
4783                  * as under POSIX rules, if we have a lock already there, we
4784                  * will delete it (and we shouldn't) .....
4785                  */
4786                 for(i--; i >= 0; i--) {
4787                         lock_pid = get_lock_pid( data, i, large_file_format);
4788                         count = get_lock_count( data, i, large_file_format);
4789                         offset = get_lock_offset( data, i, large_file_format, &err);
4790
4791                         /*
4792                          * There is no error code marked "stupid client bug".... :-).
4793                          */
4794                         if(err) {
4795                                 END_PROFILE(SMBlockingX);
4796                                 return ERROR_DOS(ERRDOS,ERRnoaccess);
4797                         }
4798
4799                         do_unlock(fsp,conn,lock_pid,count,offset);
4800                 }
4801                 END_PROFILE(SMBlockingX);
4802                 return ERROR_NT(status);
4803         }
4804
4805         set_message(outbuf,2,0,True);
4806
4807         DEBUG( 3, ( "lockingX fnum=%d type=%d num_locks=%d num_ulocks=%d\n",
4808                     fsp->fnum, (unsigned int)locktype, num_locks, num_ulocks ) );
4809
4810         END_PROFILE(SMBlockingX);
4811         return chain_reply(inbuf,outbuf,length,bufsize);
4812 }
4813
4814 /****************************************************************************
4815  Reply to a SMBreadbmpx (read block multiplex) request.
4816 ****************************************************************************/
4817
4818 int reply_readbmpx(connection_struct *conn, char *inbuf,char *outbuf,int length,int bufsize)
4819 {
4820         ssize_t nread = -1;
4821         ssize_t total_read;
4822         char *data;
4823         SMB_OFF_T startpos;
4824         int outsize;
4825         size_t maxcount;
4826         int max_per_packet;
4827         size_t tcount;
4828         int pad;
4829         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
4830         START_PROFILE(SMBreadBmpx);
4831
4832         /* this function doesn't seem to work - disable by default */
4833         if (!lp_readbmpx()) {
4834                 END_PROFILE(SMBreadBmpx);
4835                 return ERROR_DOS(ERRSRV,ERRuseSTD);
4836         }
4837
4838         outsize = set_message(outbuf,8,0,True);
4839
4840         CHECK_FSP(fsp,conn);
4841         CHECK_READ(fsp);
4842
4843         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv1);
4844         maxcount = SVAL(inbuf,smb_vwv3);
4845
4846         data = smb_buf(outbuf);
4847         pad = ((long)data)%4;
4848         if (pad)
4849                 pad = 4 - pad;
4850         data += pad;
4851
4852         max_per_packet = bufsize-(outsize+pad);
4853         tcount = maxcount;
4854         total_read = 0;
4855
4856         if (is_locked(fsp,conn,(SMB_BIG_UINT)maxcount,(SMB_BIG_UINT)startpos, READ_LOCK)) {
4857                 END_PROFILE(SMBreadBmpx);
4858                 return ERROR_DOS(ERRDOS,ERRlock);
4859         }
4860
4861         do {
4862                 size_t N = MIN(max_per_packet,tcount-total_read);
4863
4864                 nread = read_file(fsp,data,startpos,N);
4865
4866                 if (nread <= 0)
4867                         nread = 0;
4868
4869                 if (nread < (ssize_t)N)
4870                         tcount = total_read + nread;
4871
4872                 set_message(outbuf,8,nread,False);
4873                 SIVAL(outbuf,smb_vwv0,startpos);
4874                 SSVAL(outbuf,smb_vwv2,tcount);
4875                 SSVAL(outbuf,smb_vwv6,nread);
4876                 SSVAL(outbuf,smb_vwv7,smb_offset(data,outbuf));
4877
4878                 if (!send_smb(smbd_server_fd(),outbuf))
4879                         exit_server("reply_readbmpx: send_smb failed.");
4880
4881                 total_read += nread;
4882                 startpos += nread;
4883         } while (total_read < (ssize_t)tcount);
4884
4885         END_PROFILE(SMBreadBmpx);
4886         return(-1);
4887 }
4888
4889 /****************************************************************************
4890  Reply to a SMBsetattrE.
4891 ****************************************************************************/
4892
4893 int reply_setattrE(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
4894 {
4895         struct utimbuf unix_times;
4896         int outsize = 0;
4897         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
4898         START_PROFILE(SMBsetattrE);
4899
4900         outsize = set_message(outbuf,0,0,True);
4901
4902         if(!fsp || (fsp->conn != conn)) {
4903                 END_PROFILE(SMBgetattrE);
4904                 return ERROR_DOS(ERRDOS,ERRbadfid);
4905         }
4906
4907         /*
4908          * Convert the DOS times into unix times. Ignore create
4909          * time as UNIX can't set this.
4910          */
4911
4912         unix_times.actime = make_unix_date2(inbuf+smb_vwv3);
4913         unix_times.modtime = make_unix_date2(inbuf+smb_vwv5);
4914
4915         /*
4916          * Patch from Ray Frush <frush@engr.colostate.edu>
4917          * Sometimes times are sent as zero - ignore them.
4918          */
4919
4920         if ((unix_times.actime == 0) && (unix_times.modtime == 0)) {
4921                 /* Ignore request */
4922                 if( DEBUGLVL( 3 ) ) {
4923                         dbgtext( "reply_setattrE fnum=%d ", fsp->fnum);
4924                         dbgtext( "ignoring zero request - not setting timestamps of 0\n" );
4925                 }
4926                 END_PROFILE(SMBsetattrE);
4927                 return(outsize);
4928         } else if ((unix_times.actime != 0) && (unix_times.modtime == 0)) {
4929                 /* set modify time = to access time if modify time was 0 */
4930                 unix_times.modtime = unix_times.actime;
4931         }
4932
4933         /* Set the date on this file */
4934         if(file_utime(conn, fsp->fsp_name, &unix_times)) {
4935                 END_PROFILE(SMBsetattrE);
4936                 return ERROR_DOS(ERRDOS,ERRnoaccess);
4937         }
4938
4939         DEBUG( 3, ( "reply_setattrE fnum=%d actime=%d modtime=%d\n",
4940                 fsp->fnum, (int)unix_times.actime, (int)unix_times.modtime ) );
4941
4942         END_PROFILE(SMBsetattrE);
4943         return(outsize);
4944 }
4945
4946
4947 /* Back from the dead for OS/2..... JRA. */
4948
4949 /****************************************************************************
4950  Reply to a SMBwritebmpx (write block multiplex primary) request.
4951 ****************************************************************************/
4952
4953 int reply_writebmpx(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
4954 {
4955         size_t numtowrite;
4956         ssize_t nwritten = -1;
4957         int outsize = 0;
4958         SMB_OFF_T startpos;
4959         size_t tcount;
4960         BOOL write_through;
4961         int smb_doff;
4962         char *data;
4963         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
4964         START_PROFILE(SMBwriteBmpx);
4965
4966         CHECK_FSP(fsp,conn);
4967         CHECK_WRITE(fsp);
4968         CHECK_ERROR(fsp);
4969
4970         tcount = SVAL(inbuf,smb_vwv1);
4971         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv3);
4972         write_through = BITSETW(inbuf+smb_vwv7,0);
4973         numtowrite = SVAL(inbuf,smb_vwv10);
4974         smb_doff = SVAL(inbuf,smb_vwv11);
4975
4976         data = smb_base(inbuf) + smb_doff;
4977
4978         /* If this fails we need to send an SMBwriteC response,
4979                 not an SMBwritebmpx - set this up now so we don't forget */
4980         SCVAL(outbuf,smb_com,SMBwritec);
4981
4982         if (is_locked(fsp,conn,(SMB_BIG_UINT)tcount,(SMB_BIG_UINT)startpos,WRITE_LOCK)) {
4983                 END_PROFILE(SMBwriteBmpx);
4984                 return(ERROR_DOS(ERRDOS,ERRlock));
4985         }
4986
4987         nwritten = write_file(fsp,data,startpos,numtowrite);
4988
4989         if(lp_syncalways(SNUM(conn)) || write_through)
4990                 sync_file(conn,fsp);
4991
4992         if(nwritten < (ssize_t)numtowrite) {
4993                 END_PROFILE(SMBwriteBmpx);
4994                 return(UNIXERROR(ERRHRD,ERRdiskfull));
4995         }
4996
4997         /* If the maximum to be written to this file
4998                 is greater than what we just wrote then set
4999                 up a secondary struct to be attached to this
5000                 fd, we will use this to cache error messages etc. */
5001
5002         if((ssize_t)tcount > nwritten) {
5003                 write_bmpx_struct *wbms;
5004                 if(fsp->wbmpx_ptr != NULL)
5005                         wbms = fsp->wbmpx_ptr; /* Use an existing struct */
5006                 else
5007                         wbms = SMB_MALLOC_P(write_bmpx_struct);
5008                 if(!wbms) {
5009                         DEBUG(0,("Out of memory in reply_readmpx\n"));
5010                         END_PROFILE(SMBwriteBmpx);
5011                         return(ERROR_DOS(ERRSRV,ERRnoresource));
5012                 }
5013                 wbms->wr_mode = write_through;
5014                 wbms->wr_discard = False; /* No errors yet */
5015                 wbms->wr_total_written = nwritten;
5016                 wbms->wr_errclass = 0;
5017                 wbms->wr_error = 0;
5018                 fsp->wbmpx_ptr = wbms;
5019         }
5020
5021         /* We are returning successfully, set the message type back to
5022                 SMBwritebmpx */
5023         SCVAL(outbuf,smb_com,SMBwriteBmpx);
5024
5025         outsize = set_message(outbuf,1,0,True);
5026
5027         SSVALS(outbuf,smb_vwv0,-1); /* We don't support smb_remaining */
5028
5029         DEBUG( 3, ( "writebmpx fnum=%d num=%d wrote=%d\n",
5030                         fsp->fnum, (int)numtowrite, (int)nwritten ) );
5031
5032         if (write_through && tcount==nwritten) {
5033                 /* We need to send both a primary and a secondary response */
5034                 smb_setlen(outbuf,outsize - 4);
5035                 if (!send_smb(smbd_server_fd(),outbuf))
5036                         exit_server("reply_writebmpx: send_smb failed.");
5037
5038                 /* Now the secondary */
5039                 outsize = set_message(outbuf,1,0,True);
5040                 SCVAL(outbuf,smb_com,SMBwritec);
5041                 SSVAL(outbuf,smb_vwv0,nwritten);
5042         }
5043
5044         END_PROFILE(SMBwriteBmpx);
5045         return(outsize);
5046 }
5047
5048 /****************************************************************************
5049  Reply to a SMBwritebs (write block multiplex secondary) request.
5050 ****************************************************************************/
5051
5052 int reply_writebs(connection_struct *conn, char *inbuf,char *outbuf, int dum_size, int dum_buffsize)
5053 {
5054         size_t numtowrite;
5055         ssize_t nwritten = -1;
5056         int outsize = 0;
5057         SMB_OFF_T startpos;
5058         size_t tcount;
5059         BOOL write_through;
5060         int smb_doff;
5061         char *data;
5062         write_bmpx_struct *wbms;
5063         BOOL send_response = False;
5064         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
5065         START_PROFILE(SMBwriteBs);
5066
5067         CHECK_FSP(fsp,conn);
5068         CHECK_WRITE(fsp);
5069
5070         tcount = SVAL(inbuf,smb_vwv1);
5071         startpos = IVAL_TO_SMB_OFF_T(inbuf,smb_vwv2);
5072         numtowrite = SVAL(inbuf,smb_vwv6);
5073         smb_doff = SVAL(inbuf,smb_vwv7);
5074
5075         data = smb_base(inbuf) + smb_doff;
5076
5077         /* We need to send an SMBwriteC response, not an SMBwritebs */
5078         SCVAL(outbuf,smb_com,SMBwritec);
5079
5080         /* This fd should have an auxiliary struct attached,
5081                 check that it does */
5082         wbms = fsp->wbmpx_ptr;
5083         if(!wbms) {
5084                 END_PROFILE(SMBwriteBs);
5085                 return(-1);
5086         }
5087
5088         /* If write through is set we can return errors, else we must cache them */
5089         write_through = wbms->wr_mode;
5090
5091         /* Check for an earlier error */
5092         if(wbms->wr_discard) {
5093                 END_PROFILE(SMBwriteBs);
5094                 return -1; /* Just discard the packet */
5095         }
5096
5097         nwritten = write_file(fsp,data,startpos,numtowrite);
5098
5099         if(lp_syncalways(SNUM(conn)) || write_through)
5100                 sync_file(conn,fsp);
5101
5102         if (nwritten < (ssize_t)numtowrite) {
5103                 if(write_through) {
5104                         /* We are returning an error - we can delete the aux struct */
5105                         if (wbms)
5106                                 free((char *)wbms);
5107                         fsp->wbmpx_ptr = NULL;
5108                         END_PROFILE(SMBwriteBs);
5109                         return(ERROR_DOS(ERRHRD,ERRdiskfull));
5110                 }
5111                 END_PROFILE(SMBwriteBs);
5112                 return(CACHE_ERROR(wbms,ERRHRD,ERRdiskfull));
5113         }
5114
5115         /* Increment the total written, if this matches tcount
5116                 we can discard the auxiliary struct (hurrah !) and return a writeC */
5117         wbms->wr_total_written += nwritten;
5118         if(wbms->wr_total_written >= tcount) {
5119                 if (write_through) {
5120                         outsize = set_message(outbuf,1,0,True);
5121                         SSVAL(outbuf,smb_vwv0,wbms->wr_total_written);
5122                         send_response = True;
5123                 }
5124
5125                 free((char *)wbms);
5126                 fsp->wbmpx_ptr = NULL;
5127         }
5128
5129         if(send_response) {
5130                 END_PROFILE(SMBwriteBs);
5131                 return(outsize);
5132         }
5133
5134         END_PROFILE(SMBwriteBs);
5135         return(-1);
5136 }
5137
5138 /****************************************************************************
5139  Reply to a SMBgetattrE.
5140 ****************************************************************************/
5141
5142 int reply_getattrE(connection_struct *conn, char *inbuf,char *outbuf, int size, int dum_buffsize)
5143 {
5144         SMB_STRUCT_STAT sbuf;
5145         int outsize = 0;
5146         int mode;
5147         files_struct *fsp = file_fsp(inbuf,smb_vwv0);
5148         START_PROFILE(SMBgetattrE);
5149
5150         outsize = set_message(outbuf,11,0,True);
5151
5152         if(!fsp || (fsp->conn != conn)) {
5153                 END_PROFILE(SMBgetattrE);
5154                 return ERROR_DOS(ERRDOS,ERRbadfid);
5155         }
5156
5157         /* Do an fstat on this file */
5158         if(fsp_stat(fsp, &sbuf)) {
5159                 END_PROFILE(SMBgetattrE);
5160                 return(UNIXERROR(ERRDOS,ERRnoaccess));
5161         }
5162
5163         mode = dos_mode(conn,fsp->fsp_name,&sbuf);
5164
5165         /*
5166          * Convert the times into dos times. Set create
5167          * date to be last modify date as UNIX doesn't save
5168          * this.
5169          */
5170
5171         put_dos_date2(outbuf,smb_vwv0,get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn))));
5172         put_dos_date2(outbuf,smb_vwv2,sbuf.st_atime);
5173         put_dos_date2(outbuf,smb_vwv4,sbuf.st_mtime);
5174
5175         if (mode & aDIR) {
5176                 SIVAL(outbuf,smb_vwv6,0);
5177                 SIVAL(outbuf,smb_vwv8,0);
5178         } else {
5179                 uint32 allocation_size = get_allocation_size(fsp, &sbuf);
5180                 SIVAL(outbuf,smb_vwv6,(uint32)sbuf.st_size);
5181                 SIVAL(outbuf,smb_vwv8,allocation_size);
5182         }
5183         SSVAL(outbuf,smb_vwv10, mode);
5184
5185         DEBUG( 3, ( "reply_getattrE fnum=%d\n", fsp->fnum));
5186
5187         END_PROFILE(SMBgetattrE);
5188         return(outsize);
5189 }