source3/libsmb/clifile.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    client file operations
   4    Copyright (C) Andrew Tridgell 1994-1998
   5    Copyright (C) Jeremy Allison 2001-2002
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #define NO_SYSLOG
  23
  24 #include "includes.h"
  25
  26 /****************************************************************************
  27  Hard/Symlink a file (UNIX extensions).
  28 ****************************************************************************/
  29
  30 static BOOL cli_link_internal(struct cli_state *cli, const char *fname_src, const char *fname_dst, BOOL hard_link)
  31 {
  32         unsigned int data_len = 0;
  33         unsigned int param_len = 0;
  34         uint16 setup = TRANSACT2_SETPATHINFO;
  35         char param[sizeof(pstring)+6];
  36         pstring data;
  37         char *rparam=NULL, *rdata=NULL;
  38         char *p;
  39
  40         memset(param, 0, sizeof(param));
  41         SSVAL(param,0,hard_link ? SMB_SET_FILE_UNIX_HLINK : SMB_SET_FILE_UNIX_LINK);
  42         p = &param[6];
  43
  44         p += clistr_push(cli, p, fname_src, -1, STR_TERMINATE);
  45         param_len = PTR_DIFF(p, param);
  46
  47         p = data;
  48         p += clistr_push(cli, p, fname_dst, -1, STR_TERMINATE);
  49         data_len = PTR_DIFF(p, data);
  50
  51         if (!cli_send_trans(cli, SMBtrans2,
  52                 NULL,                        /* name */
  53                 -1, 0,                          /* fid, flags */
  54                 &setup, 1, 0,                   /* setup, length, max */
  55                 param, param_len, 2,            /* param, length, max */
  56                 (char *)&data,  data_len, cli->max_xmit /* data, length, max */
  57                 )) {
  58                         return False;
  59         }
  60
  61         if (!cli_receive_trans(cli, SMBtrans2,
  62                 &rparam, &param_len,
  63                 &rdata, &data_len)) {
  64                         return False;
  65         }
  66
  67         SAFE_FREE(rdata);
  68         SAFE_FREE(rparam);
  69
  70         return True;
  71 }
  72
  73 /****************************************************************************
  74  Map standard UNIX permissions onto wire representations.
  75 ****************************************************************************/
  76
  77 uint32  unix_perms_to_wire(mode_t perms)
  78 {
  79         unsigned int ret = 0;
  80
  81         ret |= ((perms & S_IXOTH) ?  UNIX_X_OTH : 0);
  82         ret |= ((perms & S_IWOTH) ?  UNIX_W_OTH : 0);
  83         ret |= ((perms & S_IROTH) ?  UNIX_R_OTH : 0);
  84         ret |= ((perms & S_IXGRP) ?  UNIX_X_GRP : 0);
  85         ret |= ((perms & S_IWGRP) ?  UNIX_W_GRP : 0);
  86         ret |= ((perms & S_IRGRP) ?  UNIX_R_GRP : 0);
  87         ret |= ((perms & S_IXUSR) ?  UNIX_X_USR : 0);
  88         ret |= ((perms & S_IWUSR) ?  UNIX_W_USR : 0);
  89         ret |= ((perms & S_IRUSR) ?  UNIX_R_USR : 0);
  90 #ifdef S_ISVTX
  91         ret |= ((perms & S_ISVTX) ?  UNIX_STICKY : 0);
  92 #endif
  93 #ifdef S_ISGID
  94         ret |= ((perms & S_ISGID) ?  UNIX_SET_GID : 0);
  95 #endif
  96 #ifdef S_ISUID
  97         ret |= ((perms & S_ISUID) ?  UNIX_SET_UID : 0);
  98 #endif
  99         return ret;
 100 }
 101
 102 /****************************************************************************
 103  Symlink a file (UNIX extensions).
 104 ****************************************************************************/
 105
 106 BOOL cli_unix_symlink(struct cli_state *cli, const char *fname_src, const char *fname_dst)
 107 {
 108         return cli_link_internal(cli, fname_src, fname_dst, False);
 109 }
 110
 111 /****************************************************************************
 112  Hard a file (UNIX extensions).
 113 ****************************************************************************/
 114
 115 BOOL cli_unix_hardlink(struct cli_state *cli, const char *fname_src, const char *fname_dst)
 116 {
 117         return cli_link_internal(cli, fname_src, fname_dst, True);
 118 }
 119
 120 /****************************************************************************
 121  Chmod or chown a file internal (UNIX extensions).
 122 ****************************************************************************/
 123
 124 static BOOL cli_unix_chmod_chown_internal(struct cli_state *cli, const char *fname, uint32 mode, uint32 uid, uint32 gid)
 125 {
 126         unsigned int data_len = 0;
 127         unsigned int param_len = 0;
 128         uint16 setup = TRANSACT2_SETPATHINFO;
 129         char param[sizeof(pstring)+6];
 130         char data[100];
 131         char *rparam=NULL, *rdata=NULL;
 132         char *p;
 133
 134         memset(param, 0, sizeof(param));
 135         memset(data, 0, sizeof(data));
 136         SSVAL(param,0,SMB_SET_FILE_UNIX_BASIC);
 137         p = &param[6];
 138
 139         p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
 140         param_len = PTR_DIFF(p, param);
 141
 142         SIVAL(data,40,uid);
 143         SIVAL(data,48,gid);
 144         SIVAL(data,84,mode);
 145
 146         data_len = 100;
 147
 148         if (!cli_send_trans(cli, SMBtrans2,
 149                 NULL,                        /* name */
 150                 -1, 0,                          /* fid, flags */
 151                 &setup, 1, 0,                   /* setup, length, max */
 152                 param, param_len, 2,            /* param, length, max */
 153                 (char *)&data,  data_len, cli->max_xmit /* data, length, max */
 154                 )) {
 155                         return False;
 156         }
 157
 158         if (!cli_receive_trans(cli, SMBtrans2,
 159                 &rparam, &param_len,
 160                 &rdata, &data_len)) {
 161                         return False;
 162         }
 163
 164         SAFE_FREE(rdata);
 165         SAFE_FREE(rparam);
 166
 167         return True;
 168 }
 169
 170 /****************************************************************************
 171  chmod a file (UNIX extensions).
 172 ****************************************************************************/
 173
 174 BOOL cli_unix_chmod(struct cli_state *cli, const char *fname, mode_t mode)
 175 {
 176         return cli_unix_chmod_chown_internal(cli, fname,
 177                 unix_perms_to_wire(mode), SMB_UID_NO_CHANGE, SMB_GID_NO_CHANGE);
 178 }
 179
 180 /****************************************************************************
 181  chown a file (UNIX extensions).
 182 ****************************************************************************/
 183
 184 BOOL cli_unix_chown(struct cli_state *cli, const char *fname, uid_t uid, gid_t gid)
 185 {
 186         return cli_unix_chmod_chown_internal(cli, fname, SMB_MODE_NO_CHANGE, (uint32)uid, (uint32)gid);
 187 }
 188
 189 /****************************************************************************
 190  Rename a file.
 191 ****************************************************************************/
 192
 193 BOOL cli_rename(struct cli_state *cli, const char *fname_src, const char *fname_dst)
 194 {
 195         char *p;
 196
 197         memset(cli->outbuf,'\0',smb_size);
 198         memset(cli->inbuf,'\0',smb_size);
 199
 200         set_message(cli->outbuf,1, 0, True);
 201
 202         SCVAL(cli->outbuf,smb_com,SMBmv);
 203         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 204         cli_setup_packet(cli);
 205
 206         SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN | aDIR);
 207
 208         p = smb_buf(cli->outbuf);
 209         *p++ = 4;
 210         p += clistr_push(cli, p, fname_src, -1, STR_TERMINATE);
 211         *p++ = 4;
 212         p += clistr_push(cli, p, fname_dst, -1, STR_TERMINATE);
 213
 214         cli_setup_bcc(cli, p);
 215
 216         cli_send_smb(cli);
 217         if (!cli_receive_smb(cli))
 218                 return False;
 219
 220         if (cli_is_error(cli))
 221                 return False;
 222
 223         return True;
 224 }
 225
 226 /****************************************************************************
 227  Delete a file.
 228 ****************************************************************************/
 229
 230 BOOL cli_unlink(struct cli_state *cli, const char *fname)
 231 {
 232         char *p;
 233
 234         memset(cli->outbuf,'\0',smb_size);
 235         memset(cli->inbuf,'\0',smb_size);
 236
 237         set_message(cli->outbuf,1, 0,True);
 238
 239         SCVAL(cli->outbuf,smb_com,SMBunlink);
 240         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 241         cli_setup_packet(cli);
 242
 243         SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN);
 244
 245         p = smb_buf(cli->outbuf);
 246         *p++ = 4;
 247         p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
 248
 249         cli_setup_bcc(cli, p);
 250         cli_send_smb(cli);
 251         if (!cli_receive_smb(cli)) {
 252                 return False;
 253         }
 254
 255         if (cli_is_error(cli)) {
 256                 return False;
 257         }
 258
 259         return True;
 260 }
 261
 262 /****************************************************************************
 263  Create a directory.
 264 ****************************************************************************/
 265
 266 BOOL cli_mkdir(struct cli_state *cli, const char *dname)
 267 {
 268         char *p;
 269
 270         memset(cli->outbuf,'\0',smb_size);
 271         memset(cli->inbuf,'\0',smb_size);
 272
 273         set_message(cli->outbuf,0, 0,True);
 274
 275         SCVAL(cli->outbuf,smb_com,SMBmkdir);
 276         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 277         cli_setup_packet(cli);
 278
 279         p = smb_buf(cli->outbuf);
 280         *p++ = 4;
 281         p += clistr_push(cli, p, dname, -1, STR_TERMINATE);
 282
 283         cli_setup_bcc(cli, p);
 284
 285         cli_send_smb(cli);
 286         if (!cli_receive_smb(cli)) {
 287                 return False;
 288         }
 289
 290         if (cli_is_error(cli)) {
 291                 return False;
 292         }
 293
 294         return True;
 295 }
 296
 297 /****************************************************************************
 298  Remove a directory.
 299 ****************************************************************************/
 300
 301 BOOL cli_rmdir(struct cli_state *cli, const char *dname)
 302 {
 303         char *p;
 304
 305         memset(cli->outbuf,'\0',smb_size);
 306         memset(cli->inbuf,'\0',smb_size);
 307
 308         set_message(cli->outbuf,0, 0, True);
 309
 310         SCVAL(cli->outbuf,smb_com,SMBrmdir);
 311         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 312         cli_setup_packet(cli);
 313
 314         p = smb_buf(cli->outbuf);
 315         *p++ = 4;
 316         p += clistr_push(cli, p, dname, -1, STR_TERMINATE);
 317
 318         cli_setup_bcc(cli, p);
 319
 320         cli_send_smb(cli);
 321         if (!cli_receive_smb(cli)) {
 322                 return False;
 323         }
 324
 325         if (cli_is_error(cli)) {
 326                 return False;
 327         }
 328
 329         return True;
 330 }
 331
 332 /****************************************************************************
 333  Set or clear the delete on close flag.
 334 ****************************************************************************/
 335
 336 int cli_nt_delete_on_close(struct cli_state *cli, int fnum, BOOL flag)
 337 {
 338         unsigned int data_len = 1;
 339         unsigned int param_len = 6;
 340         uint16 setup = TRANSACT2_SETFILEINFO;
 341         pstring param;
 342         unsigned char data;
 343         char *rparam=NULL, *rdata=NULL;
 344
 345         memset(param, 0, param_len);
 346         SSVAL(param,0,fnum);
 347         SSVAL(param,2,SMB_SET_FILE_DISPOSITION_INFO);
 348
 349         data = flag ? 1 : 0;
 350
 351         if (!cli_send_trans(cli, SMBtrans2,
 352                                                 NULL,                        /* name */
 353                                                 -1, 0,                          /* fid, flags */
 354                                                 &setup, 1, 0,                   /* setup, length, max */
 355                                                 param, param_len, 2,            /* param, length, max */
 356                                                 (char *)&data,  data_len, cli->max_xmit /* data, length, max */
 357                                                 )) {
 358                 return False;
 359         }
 360
 361         if (!cli_receive_trans(cli, SMBtrans2,
 362                                                 &rparam, &param_len,
 363                                                 &rdata, &data_len)) {
 364                 return False;
 365         }
 366
 367         SAFE_FREE(rdata);
 368         SAFE_FREE(rparam);
 369
 370         return True;
 371 }
 372
 373 /****************************************************************************
 374  Open a file - exposing the full horror of the NT API :-).
 375  Used in smbtorture.
 376 ****************************************************************************/
 377
 378 int cli_nt_create_full(struct cli_state *cli, const char *fname, uint32 DesiredAccess,
 379                  uint32 FileAttributes, uint32 ShareAccess,
 380                  uint32 CreateDisposition, uint32 CreateOptions)
 381 {
 382         char *p;
 383         int len;
 384
 385         memset(cli->outbuf,'\0',smb_size);
 386         memset(cli->inbuf,'\0',smb_size);
 387
 388         set_message(cli->outbuf,24,0,True);
 389
 390         SCVAL(cli->outbuf,smb_com,SMBntcreateX);
 391         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 392         cli_setup_packet(cli);
 393
 394         SSVAL(cli->outbuf,smb_vwv0,0xFF);
 395         if (cli->use_oplocks)
 396                 SIVAL(cli->outbuf,smb_ntcreate_Flags, REQUEST_OPLOCK|REQUEST_BATCH_OPLOCK);
 397         else
 398                 SIVAL(cli->outbuf,smb_ntcreate_Flags, 0);
 399         SIVAL(cli->outbuf,smb_ntcreate_RootDirectoryFid, 0x0);
 400         SIVAL(cli->outbuf,smb_ntcreate_DesiredAccess, DesiredAccess);
 401         SIVAL(cli->outbuf,smb_ntcreate_FileAttributes, FileAttributes);
 402         SIVAL(cli->outbuf,smb_ntcreate_ShareAccess, ShareAccess);
 403         SIVAL(cli->outbuf,smb_ntcreate_CreateDisposition, CreateDisposition);
 404         SIVAL(cli->outbuf,smb_ntcreate_CreateOptions, CreateOptions);
 405         SIVAL(cli->outbuf,smb_ntcreate_ImpersonationLevel, 0x02);
 406
 407         p = smb_buf(cli->outbuf);
 408         /* this alignment and termination is critical for netapp filers. Don't change */
 409         p += clistr_align_out(cli, p, 0);
 410         len = clistr_push(cli, p, fname, -1, 0);
 411         p += len;
 412         SSVAL(cli->outbuf,smb_ntcreate_NameLength, len);
 413         /* sigh. this copes with broken netapp filer behaviour */
 414         p += clistr_push(cli, p, "", -1, STR_TERMINATE);
 415
 416         cli_setup_bcc(cli, p);
 417
 418         cli_send_smb(cli);
 419         if (!cli_receive_smb(cli)) {
 420                 return -1;
 421         }
 422
 423         if (cli_is_error(cli)) {
 424                 return -1;
 425         }
 426
 427         return SVAL(cli->inbuf,smb_vwv2 + 1);
 428 }
 429
 430 /****************************************************************************
 431  Open a file.
 432 ****************************************************************************/
 433
 434 int cli_nt_create(struct cli_state *cli, const char *fname, uint32 DesiredAccess)
 435 {
 436         return cli_nt_create_full(cli, fname, DesiredAccess, 0,
 437                                 FILE_SHARE_READ|FILE_SHARE_WRITE, FILE_EXISTS_OPEN, 0x0);
 438 }
 439
 440 /****************************************************************************
 441  Open a file
 442  WARNING: if you open with O_WRONLY then getattrE won't work!
 443 ****************************************************************************/
 444
 445 int cli_open(struct cli_state *cli, const char *fname, int flags, int share_mode)
 446 {
 447         char *p;
 448         unsigned openfn=0;
 449         unsigned accessmode=0;
 450
 451         if (flags & O_CREAT)
 452                 openfn |= (1<<4);
 453         if (!(flags & O_EXCL)) {
 454                 if (flags & O_TRUNC)
 455                         openfn |= (1<<1);
 456                 else
 457                         openfn |= (1<<0);
 458         }
 459
 460         accessmode = (share_mode<<4);
 461
 462         if ((flags & O_ACCMODE) == O_RDWR) {
 463                 accessmode |= 2;
 464         } else if ((flags & O_ACCMODE) == O_WRONLY) {
 465                 accessmode |= 1;
 466         }
 467
 468 #if defined(O_SYNC)
 469         if ((flags & O_SYNC) == O_SYNC) {
 470                 accessmode |= (1<<14);
 471         }
 472 #endif /* O_SYNC */
 473
 474         if (share_mode == DENY_FCB) {
 475                 accessmode = 0xFF;
 476         }
 477
 478         memset(cli->outbuf,'\0',smb_size);
 479         memset(cli->inbuf,'\0',smb_size);
 480
 481         set_message(cli->outbuf,15,0,True);
 482
 483         SCVAL(cli->outbuf,smb_com,SMBopenX);
 484         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 485         cli_setup_packet(cli);
 486
 487         SSVAL(cli->outbuf,smb_vwv0,0xFF);
 488         SSVAL(cli->outbuf,smb_vwv2,0);  /* no additional info */
 489         SSVAL(cli->outbuf,smb_vwv3,accessmode);
 490         SSVAL(cli->outbuf,smb_vwv4,aSYSTEM | aHIDDEN);
 491         SSVAL(cli->outbuf,smb_vwv5,0);
 492         SSVAL(cli->outbuf,smb_vwv8,openfn);
 493
 494         if (cli->use_oplocks) {
 495                 /* if using oplocks then ask for a batch oplock via
 496                    core and extended methods */
 497                 SCVAL(cli->outbuf,smb_flg, CVAL(cli->outbuf,smb_flg)|
 498                         FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK);
 499                 SSVAL(cli->outbuf,smb_vwv2,SVAL(cli->outbuf,smb_vwv2) | 6);
 500         }
 501
 502         p = smb_buf(cli->outbuf);
 503         p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
 504
 505         cli_setup_bcc(cli, p);
 506
 507         cli_send_smb(cli);
 508         if (!cli_receive_smb(cli)) {
 509                 return -1;
 510         }
 511
 512         if (cli_is_error(cli)) {
 513                 return -1;
 514         }
 515
 516         return SVAL(cli->inbuf,smb_vwv2);
 517 }
 518
 519 /****************************************************************************
 520  Close a file.
 521 ****************************************************************************/
 522
 523 BOOL cli_close(struct cli_state *cli, int fnum)
 524 {
 525         memset(cli->outbuf,'\0',smb_size);
 526         memset(cli->inbuf,'\0',smb_size);
 527
 528         set_message(cli->outbuf,3,0,True);
 529
 530         SCVAL(cli->outbuf,smb_com,SMBclose);
 531         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 532         cli_setup_packet(cli);
 533
 534         SSVAL(cli->outbuf,smb_vwv0,fnum);
 535         SIVALS(cli->outbuf,smb_vwv1,-1);
 536
 537         cli_send_smb(cli);
 538         if (!cli_receive_smb(cli)) {
 539                 return False;
 540         }
 541
 542         return !cli_is_error(cli);
 543 }
 544
 545
 546 /****************************************************************************
 547  send a lock with a specified locktype
 548  this is used for testing LOCKING_ANDX_CANCEL_LOCK
 549 ****************************************************************************/
 550 NTSTATUS cli_locktype(struct cli_state *cli, int fnum,
 551                       uint32 offset, uint32 len, int timeout, unsigned char locktype)
 552 {
 553         char *p;
 554         int saved_timeout = cli->timeout;
 555
 556         memset(cli->outbuf,'\0',smb_size);
 557         memset(cli->inbuf,'\0', smb_size);
 558
 559         set_message(cli->outbuf,8,0,True);
 560
 561         SCVAL(cli->outbuf,smb_com,SMBlockingX);
 562         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 563         cli_setup_packet(cli);
 564
 565         SCVAL(cli->outbuf,smb_vwv0,0xFF);
 566         SSVAL(cli->outbuf,smb_vwv2,fnum);
 567         SCVAL(cli->outbuf,smb_vwv3,locktype);
 568         SIVALS(cli->outbuf, smb_vwv4, timeout);
 569         SSVAL(cli->outbuf,smb_vwv6,0);
 570         SSVAL(cli->outbuf,smb_vwv7,1);
 571
 572         p = smb_buf(cli->outbuf);
 573         SSVAL(p, 0, cli->pid);
 574         SIVAL(p, 2, offset);
 575         SIVAL(p, 6, len);
 576
 577         p += 10;
 578
 579         cli_setup_bcc(cli, p);
 580
 581         cli_send_smb(cli);
 582
 583         if (timeout != 0) {
 584                 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 2*1000);
 585         }
 586
 587         if (!cli_receive_smb(cli)) {
 588                 cli->timeout = saved_timeout;
 589                 return NT_STATUS_UNSUCCESSFUL;
 590         }
 591
 592         cli->timeout = saved_timeout;
 593
 594         return cli_nt_error(cli);
 595 }
 596
 597
 598 /****************************************************************************
 599  Lock a file.
 600 ****************************************************************************/
 601
 602 BOOL cli_lock(struct cli_state *cli, int fnum,
 603               uint32 offset, uint32 len, int timeout, enum brl_type lock_type)
 604 {
 605         char *p;
 606         int saved_timeout = cli->timeout;
 607
 608         memset(cli->outbuf,'\0',smb_size);
 609         memset(cli->inbuf,'\0', smb_size);
 610
 611         set_message(cli->outbuf,8,0,True);
 612
 613         SCVAL(cli->outbuf,smb_com,SMBlockingX);
 614         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 615         cli_setup_packet(cli);
 616
 617         SCVAL(cli->outbuf,smb_vwv0,0xFF);
 618         SSVAL(cli->outbuf,smb_vwv2,fnum);
 619         SCVAL(cli->outbuf,smb_vwv3,(lock_type == READ_LOCK? 1 : 0));
 620         SIVALS(cli->outbuf, smb_vwv4, timeout);
 621         SSVAL(cli->outbuf,smb_vwv6,0);
 622         SSVAL(cli->outbuf,smb_vwv7,1);
 623
 624         p = smb_buf(cli->outbuf);
 625         SSVAL(p, 0, cli->pid);
 626         SIVAL(p, 2, offset);
 627         SIVAL(p, 6, len);
 628
 629         p += 10;
 630
 631         cli_setup_bcc(cli, p);
 632
 633         cli_send_smb(cli);
 634
 635         if (timeout != 0) {
 636                 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 10*1000);
 637         }
 638
 639         if (!cli_receive_smb(cli)) {
 640                 cli->timeout = saved_timeout;
 641                 return False;
 642         }
 643
 644         cli->timeout = saved_timeout;
 645
 646         if (cli_is_error(cli)) {
 647                 return False;
 648         }
 649
 650         return True;
 651 }
 652
 653 /****************************************************************************
 654  Unlock a file.
 655 ****************************************************************************/
 656
 657 BOOL cli_unlock(struct cli_state *cli, int fnum, uint32 offset, uint32 len)
 658 {
 659         char *p;
 660
 661         memset(cli->outbuf,'\0',smb_size);
 662         memset(cli->inbuf,'\0',smb_size);
 663
 664         set_message(cli->outbuf,8,0,True);
 665
 666         SCVAL(cli->outbuf,smb_com,SMBlockingX);
 667         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 668         cli_setup_packet(cli);
 669
 670         SCVAL(cli->outbuf,smb_vwv0,0xFF);
 671         SSVAL(cli->outbuf,smb_vwv2,fnum);
 672         SCVAL(cli->outbuf,smb_vwv3,0);
 673         SIVALS(cli->outbuf, smb_vwv4, 0);
 674         SSVAL(cli->outbuf,smb_vwv6,1);
 675         SSVAL(cli->outbuf,smb_vwv7,0);
 676
 677         p = smb_buf(cli->outbuf);
 678         SSVAL(p, 0, cli->pid);
 679         SIVAL(p, 2, offset);
 680         SIVAL(p, 6, len);
 681         p += 10;
 682         cli_setup_bcc(cli, p);
 683         cli_send_smb(cli);
 684         if (!cli_receive_smb(cli)) {
 685                 return False;
 686         }
 687
 688         if (cli_is_error(cli)) {
 689                 return False;
 690         }
 691
 692         return True;
 693 }
 694
 695 /****************************************************************************
 696  Lock a file with 64 bit offsets.
 697 ****************************************************************************/
 698
 699 BOOL cli_lock64(struct cli_state *cli, int fnum,
 700                 SMB_BIG_UINT offset, SMB_BIG_UINT len, int timeout, enum brl_type lock_type)
 701 {
 702         char *p;
 703         int saved_timeout = cli->timeout;
 704         int ltype;
 705
 706         if (! (cli->capabilities & CAP_LARGE_FILES)) {
 707                 return cli_lock(cli, fnum, offset, len, timeout, lock_type);
 708         }
 709
 710         ltype = (lock_type == READ_LOCK? 1 : 0);
 711         ltype |= LOCKING_ANDX_LARGE_FILES;
 712
 713         memset(cli->outbuf,'\0',smb_size);
 714         memset(cli->inbuf,'\0', smb_size);
 715
 716         set_message(cli->outbuf,8,0,True);
 717
 718         SCVAL(cli->outbuf,smb_com,SMBlockingX);
 719         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 720         cli_setup_packet(cli);
 721
 722         SCVAL(cli->outbuf,smb_vwv0,0xFF);
 723         SSVAL(cli->outbuf,smb_vwv2,fnum);
 724         SCVAL(cli->outbuf,smb_vwv3,ltype);
 725         SIVALS(cli->outbuf, smb_vwv4, timeout);
 726         SSVAL(cli->outbuf,smb_vwv6,0);
 727         SSVAL(cli->outbuf,smb_vwv7,1);
 728
 729         p = smb_buf(cli->outbuf);
 730         SIVAL(p, 0, cli->pid);
 731         SOFF_T_R(p, 4, offset);
 732         SOFF_T_R(p, 12, len);
 733         p += 20;
 734
 735         cli_setup_bcc(cli, p);
 736         cli_send_smb(cli);
 737
 738         if (timeout != 0) {
 739                 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 5*1000);
 740         }
 741
 742         if (!cli_receive_smb(cli)) {
 743                 cli->timeout = saved_timeout;
 744                 return False;
 745         }
 746
 747         cli->timeout = saved_timeout;
 748
 749         if (cli_is_error(cli)) {
 750                 return False;
 751         }
 752
 753         return True;
 754 }
 755
 756 /****************************************************************************
 757  Unlock a file with 64 bit offsets.
 758 ****************************************************************************/
 759
 760 BOOL cli_unlock64(struct cli_state *cli, int fnum, SMB_BIG_UINT offset, SMB_BIG_UINT len)
 761 {
 762         char *p;
 763
 764         if (! (cli->capabilities & CAP_LARGE_FILES)) {
 765                 return cli_unlock(cli, fnum, offset, len);
 766         }
 767
 768         memset(cli->outbuf,'\0',smb_size);
 769         memset(cli->inbuf,'\0',smb_size);
 770
 771         set_message(cli->outbuf,8,0,True);
 772
 773         SCVAL(cli->outbuf,smb_com,SMBlockingX);
 774         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 775         cli_setup_packet(cli);
 776
 777         SCVAL(cli->outbuf,smb_vwv0,0xFF);
 778         SSVAL(cli->outbuf,smb_vwv2,fnum);
 779         SCVAL(cli->outbuf,smb_vwv3,LOCKING_ANDX_LARGE_FILES);
 780         SIVALS(cli->outbuf, smb_vwv4, 0);
 781         SSVAL(cli->outbuf,smb_vwv6,1);
 782         SSVAL(cli->outbuf,smb_vwv7,0);
 783
 784         p = smb_buf(cli->outbuf);
 785         SIVAL(p, 0, cli->pid);
 786         SOFF_T_R(p, 4, offset);
 787         SOFF_T_R(p, 12, len);
 788         p += 20;
 789         cli_setup_bcc(cli, p);
 790         cli_send_smb(cli);
 791         if (!cli_receive_smb(cli)) {
 792                 return False;
 793         }
 794
 795         if (cli_is_error(cli)) {
 796                 return False;
 797         }
 798
 799         return True;
 800 }
 801
 802
 803 /****************************************************************************
 804  Do a SMBgetattrE call.
 805 ****************************************************************************/
 806
 807 BOOL cli_getattrE(struct cli_state *cli, int fd,
 808                   uint16 *attr, SMB_BIG_UINT *size,
 809                   time_t *c_time, time_t *a_time, time_t *m_time)
 810 {
 811         memset(cli->outbuf,'\0',smb_size);
 812         memset(cli->inbuf,'\0',smb_size);
 813
 814         set_message(cli->outbuf,1,0,True);
 815
 816         SCVAL(cli->outbuf,smb_com,SMBgetattrE);
 817         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 818         cli_setup_packet(cli);
 819
 820         SSVAL(cli->outbuf,smb_vwv0,fd);
 821
 822         cli_send_smb(cli);
 823         if (!cli_receive_smb(cli)) {
 824                 return False;
 825         }
 826
 827         if (cli_is_error(cli)) {
 828                 return False;
 829         }
 830
 831         if (size) {
 832                 *size = IVAL(cli->inbuf, smb_vwv6);
 833         }
 834
 835         if (attr) {
 836                 *attr = SVAL(cli->inbuf,smb_vwv10);
 837         }
 838
 839         if (c_time) {
 840                 *c_time = make_unix_date3(cli->inbuf+smb_vwv0);
 841         }
 842
 843         if (a_time) {
 844                 *a_time = make_unix_date3(cli->inbuf+smb_vwv2);
 845         }
 846
 847         if (m_time) {
 848                 *m_time = make_unix_date3(cli->inbuf+smb_vwv4);
 849         }
 850
 851         return True;
 852 }
 853
 854 /****************************************************************************
 855  Do a SMBgetatr call
 856 ****************************************************************************/
 857
 858 BOOL cli_getatr(struct cli_state *cli, const char *fname,
 859                 uint16 *attr, size_t *size, time_t *t)
 860 {
 861         char *p;
 862
 863         memset(cli->outbuf,'\0',smb_size);
 864         memset(cli->inbuf,'\0',smb_size);
 865
 866         set_message(cli->outbuf,0,0,True);
 867
 868         SCVAL(cli->outbuf,smb_com,SMBgetatr);
 869         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 870         cli_setup_packet(cli);
 871
 872         p = smb_buf(cli->outbuf);
 873         *p++ = 4;
 874         p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
 875
 876         cli_setup_bcc(cli, p);
 877
 878         cli_send_smb(cli);
 879         if (!cli_receive_smb(cli)) {
 880                 return False;
 881         }
 882
 883         if (cli_is_error(cli)) {
 884                 return False;
 885         }
 886
 887         if (size) {
 888                 *size = IVAL(cli->inbuf, smb_vwv3);
 889         }
 890
 891         if (t) {
 892                 *t = make_unix_date3(cli->inbuf+smb_vwv1);
 893         }
 894
 895         if (attr) {
 896                 *attr = SVAL(cli->inbuf,smb_vwv0);
 897         }
 898
 899
 900         return True;
 901 }
 902
 903 /****************************************************************************
 904  Do a SMBsetatr call.
 905 ****************************************************************************/
 906
 907 BOOL cli_setatr(struct cli_state *cli, const char *fname, uint16 attr, time_t t)
 908 {
 909         char *p;
 910
 911         memset(cli->outbuf,'\0',smb_size);
 912         memset(cli->inbuf,'\0',smb_size);
 913
 914         set_message(cli->outbuf,8,0,True);
 915
 916         SCVAL(cli->outbuf,smb_com,SMBsetatr);
 917         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 918         cli_setup_packet(cli);
 919
 920         SSVAL(cli->outbuf,smb_vwv0, attr);
 921         put_dos_date3(cli->outbuf,smb_vwv1, t);
 922
 923         p = smb_buf(cli->outbuf);
 924         *p++ = 4;
 925         p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
 926         *p++ = 4;
 927
 928         cli_setup_bcc(cli, p);
 929
 930         cli_send_smb(cli);
 931         if (!cli_receive_smb(cli)) {
 932                 return False;
 933         }
 934
 935         if (cli_is_error(cli)) {
 936                 return False;
 937         }
 938
 939         return True;
 940 }
 941
 942 /****************************************************************************
 943  Check for existance of a dir.
 944 ****************************************************************************/
 945
 946 BOOL cli_chkpath(struct cli_state *cli, const char *path)
 947 {
 948         pstring path2;
 949         char *p;
 950
 951         pstrcpy(path2,path);
 952         trim_string(path2,NULL,"\\");
 953         if (!*path2) *path2 = '\\';
 954
 955         memset(cli->outbuf,'\0',smb_size);
 956         set_message(cli->outbuf,0,0,True);
 957         SCVAL(cli->outbuf,smb_com,SMBchkpth);
 958         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 959         cli_setup_packet(cli);
 960         p = smb_buf(cli->outbuf);
 961         *p++ = 4;
 962         p += clistr_push(cli, p, path2, -1, STR_TERMINATE);
 963
 964         cli_setup_bcc(cli, p);
 965
 966         cli_send_smb(cli);
 967         if (!cli_receive_smb(cli)) {
 968                 return False;
 969         }
 970
 971         if (cli_is_error(cli)) return False;
 972
 973         return True;
 974 }
 975
 976 /****************************************************************************
 977  Query disk space.
 978 ****************************************************************************/
 979
 980 BOOL cli_dskattr(struct cli_state *cli, int *bsize, int *total, int *avail)
 981 {
 982         memset(cli->outbuf,'\0',smb_size);
 983         set_message(cli->outbuf,0,0,True);
 984         SCVAL(cli->outbuf,smb_com,SMBdskattr);
 985         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 986         cli_setup_packet(cli);
 987
 988         cli_send_smb(cli);
 989         if (!cli_receive_smb(cli)) {
 990                 return False;
 991         }
 992
 993         *bsize = SVAL(cli->inbuf,smb_vwv1)*SVAL(cli->inbuf,smb_vwv2);
 994         *total = SVAL(cli->inbuf,smb_vwv0);
 995         *avail = SVAL(cli->inbuf,smb_vwv3);
 996
 997         return True;
 998 }
 999
1000 /****************************************************************************
1001  Create and open a temporary file.
1002 ****************************************************************************/
1003
1004 int cli_ctemp(struct cli_state *cli, const char *path, char **tmp_path)
1005 {
1006         int len;
1007         char *p;
1008
1009         memset(cli->outbuf,'\0',smb_size);
1010         memset(cli->inbuf,'\0',smb_size);
1011
1012         set_message(cli->outbuf,3,0,True);
1013
1014         SCVAL(cli->outbuf,smb_com,SMBctemp);
1015         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1016         cli_setup_packet(cli);
1017
1018         SSVAL(cli->outbuf,smb_vwv0,0);
1019         SIVALS(cli->outbuf,smb_vwv1,-1);
1020
1021         p = smb_buf(cli->outbuf);
1022         *p++ = 4;
1023         p += clistr_push(cli, p, path, -1, STR_TERMINATE);
1024
1025         cli_setup_bcc(cli, p);
1026
1027         cli_send_smb(cli);
1028         if (!cli_receive_smb(cli)) {
1029                 return -1;
1030         }
1031
1032         if (cli_is_error(cli)) {
1033                 return -1;
1034         }
1035
1036         /* despite the spec, the result has a -1, followed by
1037            length, followed by name */
1038         p = smb_buf(cli->inbuf);
1039         p += 4;
1040         len = smb_buflen(cli->inbuf) - 4;
1041         if (len <= 0) return -1;
1042
1043         if (tmp_path) {
1044                 pstring path2;
1045                 clistr_pull(cli, path2, p,
1046                             sizeof(path2), len, STR_ASCII);
1047                 *tmp_path = strdup(path2);
1048         }
1049
1050         return SVAL(cli->inbuf,smb_vwv0);
1051 }