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 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22
  23 /****************************************************************************
  24  Hard/Symlink a file (UNIX extensions).
  25  Creates new name (sym)linked to oldname.
  26 ****************************************************************************/
  27
  28 static bool cli_link_internal(struct cli_state *cli, const char *oldname, const char *newname, bool hard_link)
  29 {
  30         unsigned int data_len = 0;
  31         unsigned int param_len = 0;
  32         uint16 setup = TRANSACT2_SETPATHINFO;
  33         char *param;
  34         char *data;
  35         char *rparam=NULL, *rdata=NULL;
  36         char *p;
  37         size_t oldlen = 2*(strlen(oldname)+1);
  38         size_t newlen = 2*(strlen(newname)+1);
  39
  40         param = SMB_MALLOC_ARRAY(char, 6+newlen+2);
  41
  42         if (!param) {
  43                 return false;
  44         }
  45
  46         data = SMB_MALLOC_ARRAY(char, oldlen+2);
  47
  48         if (!data) {
  49                 SAFE_FREE(param);
  50                 return false;
  51         }
  52
  53         SSVAL(param,0,hard_link ? SMB_SET_FILE_UNIX_HLINK : SMB_SET_FILE_UNIX_LINK);
  54         SIVAL(param,2,0);
  55         p = &param[6];
  56
  57         p += clistr_push(cli, p, newname, newlen, STR_TERMINATE);
  58         param_len = PTR_DIFF(p, param);
  59
  60         p = data;
  61         p += clistr_push(cli, p, oldname, oldlen, STR_TERMINATE);
  62         data_len = PTR_DIFF(p, data);
  63
  64         if (!cli_send_trans(cli, SMBtrans2,
  65                         NULL,                        /* name */
  66                         -1, 0,                          /* fid, flags */
  67                         &setup, 1, 0,                   /* setup, length, max */
  68                         param, param_len, 2,            /* param, length, max */
  69                         (char *)&data,  data_len, cli->max_xmit /* data, length, max */
  70                         )) {
  71                 SAFE_FREE(data);
  72                 SAFE_FREE(param);
  73                 return false;
  74         }
  75
  76         SAFE_FREE(data);
  77         SAFE_FREE(param);
  78
  79         if (!cli_receive_trans(cli, SMBtrans2,
  80                         &rparam, &param_len,
  81                         &rdata, &data_len)) {
  82                         return false;
  83         }
  84
  85         SAFE_FREE(data);
  86         SAFE_FREE(param);
  87         SAFE_FREE(rdata);
  88         SAFE_FREE(rparam);
  89
  90         return true;
  91 }
  92
  93 /****************************************************************************
  94  Map standard UNIX permissions onto wire representations.
  95 ****************************************************************************/
  96
  97 uint32 unix_perms_to_wire(mode_t perms)
  98 {
  99         unsigned int ret = 0;
 100
 101         ret |= ((perms & S_IXOTH) ?  UNIX_X_OTH : 0);
 102         ret |= ((perms & S_IWOTH) ?  UNIX_W_OTH : 0);
 103         ret |= ((perms & S_IROTH) ?  UNIX_R_OTH : 0);
 104         ret |= ((perms & S_IXGRP) ?  UNIX_X_GRP : 0);
 105         ret |= ((perms & S_IWGRP) ?  UNIX_W_GRP : 0);
 106         ret |= ((perms & S_IRGRP) ?  UNIX_R_GRP : 0);
 107         ret |= ((perms & S_IXUSR) ?  UNIX_X_USR : 0);
 108         ret |= ((perms & S_IWUSR) ?  UNIX_W_USR : 0);
 109         ret |= ((perms & S_IRUSR) ?  UNIX_R_USR : 0);
 110 #ifdef S_ISVTX
 111         ret |= ((perms & S_ISVTX) ?  UNIX_STICKY : 0);
 112 #endif
 113 #ifdef S_ISGID
 114         ret |= ((perms & S_ISGID) ?  UNIX_SET_GID : 0);
 115 #endif
 116 #ifdef S_ISUID
 117         ret |= ((perms & S_ISUID) ?  UNIX_SET_UID : 0);
 118 #endif
 119         return ret;
 120 }
 121
 122 /****************************************************************************
 123  Map wire permissions to standard UNIX.
 124 ****************************************************************************/
 125
 126 mode_t wire_perms_to_unix(uint32 perms)
 127 {
 128         mode_t ret = (mode_t)0;
 129
 130         ret |= ((perms & UNIX_X_OTH) ? S_IXOTH : 0);
 131         ret |= ((perms & UNIX_W_OTH) ? S_IWOTH : 0);
 132         ret |= ((perms & UNIX_R_OTH) ? S_IROTH : 0);
 133         ret |= ((perms & UNIX_X_GRP) ? S_IXGRP : 0);
 134         ret |= ((perms & UNIX_W_GRP) ? S_IWGRP : 0);
 135         ret |= ((perms & UNIX_R_GRP) ? S_IRGRP : 0);
 136         ret |= ((perms & UNIX_X_USR) ? S_IXUSR : 0);
 137         ret |= ((perms & UNIX_W_USR) ? S_IWUSR : 0);
 138         ret |= ((perms & UNIX_R_USR) ? S_IRUSR : 0);
 139 #ifdef S_ISVTX
 140         ret |= ((perms & UNIX_STICKY) ? S_ISVTX : 0);
 141 #endif
 142 #ifdef S_ISGID
 143         ret |= ((perms & UNIX_SET_GID) ? S_ISGID : 0);
 144 #endif
 145 #ifdef S_ISUID
 146         ret |= ((perms & UNIX_SET_UID) ? S_ISUID : 0);
 147 #endif
 148         return ret;
 149 }
 150
 151 /****************************************************************************
 152  Return the file type from the wire filetype for UNIX extensions.
 153 ****************************************************************************/
 154
 155 static mode_t unix_filetype_from_wire(uint32 wire_type)
 156 {
 157         switch (wire_type) {
 158                 case UNIX_TYPE_FILE:
 159                         return S_IFREG;
 160                 case UNIX_TYPE_DIR:
 161                         return S_IFDIR;
 162 #ifdef S_IFLNK
 163                 case UNIX_TYPE_SYMLINK:
 164                         return S_IFLNK;
 165 #endif
 166 #ifdef S_IFCHR
 167                 case UNIX_TYPE_CHARDEV:
 168                         return S_IFCHR;
 169 #endif
 170 #ifdef S_IFBLK
 171                 case UNIX_TYPE_BLKDEV:
 172                         return S_IFBLK;
 173 #endif
 174 #ifdef S_IFIFO
 175                 case UNIX_TYPE_FIFO:
 176                         return S_IFIFO;
 177 #endif
 178 #ifdef S_IFSOCK
 179                 case UNIX_TYPE_SOCKET:
 180                         return S_IFSOCK;
 181 #endif
 182                 default:
 183                         return (mode_t)0;
 184         }
 185 }
 186
 187 /****************************************************************************
 188  Do a POSIX getfacl (UNIX extensions).
 189 ****************************************************************************/
 190
 191 bool cli_unix_getfacl(struct cli_state *cli, const char *name, size_t *prb_size, char **retbuf)
 192 {
 193         unsigned int param_len = 0;
 194         unsigned int data_len = 0;
 195         uint16 setup = TRANSACT2_QPATHINFO;
 196         char *param;
 197         size_t nlen = 2*(strlen(name)+1);
 198         char *rparam=NULL, *rdata=NULL;
 199         char *p;
 200
 201         param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
 202         if (!param) {
 203                 return false;
 204         }
 205
 206         p = param;
 207         memset(p, '\0', 6);
 208         SSVAL(p, 0, SMB_QUERY_POSIX_ACL);
 209         p += 6;
 210         p += clistr_push(cli, p, name, nlen, STR_TERMINATE);
 211         param_len = PTR_DIFF(p, param);
 212
 213         if (!cli_send_trans(cli, SMBtrans2,
 214                 NULL,                        /* name */
 215                 -1, 0,                       /* fid, flags */
 216                 &setup, 1, 0,                /* setup, length, max */
 217                 param, param_len, 2,         /* param, length, max */
 218                 NULL,  0, cli->max_xmit      /* data, length, max */
 219                 )) {
 220                 SAFE_FREE(param);
 221                 return false;
 222         }
 223
 224         SAFE_FREE(param);
 225
 226         if (!cli_receive_trans(cli, SMBtrans2,
 227                         &rparam, &param_len,
 228                         &rdata, &data_len)) {
 229                 return false;
 230         }
 231
 232         if (data_len < 6) {
 233                 SAFE_FREE(rdata);
 234                 SAFE_FREE(rparam);
 235                 return false;
 236         }
 237
 238         SAFE_FREE(rparam);
 239         *retbuf = rdata;
 240         *prb_size = (size_t)data_len;
 241
 242         return true;
 243 }
 244
 245 /****************************************************************************
 246  Stat a file (UNIX extensions).
 247 ****************************************************************************/
 248
 249 bool cli_unix_stat(struct cli_state *cli, const char *name, SMB_STRUCT_STAT *sbuf)
 250 {
 251         unsigned int param_len = 0;
 252         unsigned int data_len = 0;
 253         uint16 setup = TRANSACT2_QPATHINFO;
 254         char *param;
 255         size_t nlen = 2*(strlen(name)+1);
 256         char *rparam=NULL, *rdata=NULL;
 257         char *p;
 258
 259         ZERO_STRUCTP(sbuf);
 260
 261         param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
 262         if (!param) {
 263                 return false;
 264         }
 265         p = param;
 266         memset(p, '\0', 6);
 267         SSVAL(p, 0, SMB_QUERY_FILE_UNIX_BASIC);
 268         p += 6;
 269         p += clistr_push(cli, p, name, nlen, STR_TERMINATE);
 270         param_len = PTR_DIFF(p, param);
 271
 272         if (!cli_send_trans(cli, SMBtrans2,
 273                         NULL,                        /* name */
 274                         -1, 0,                       /* fid, flags */
 275                         &setup, 1, 0,                /* setup, length, max */
 276                         param, param_len, 2,         /* param, length, max */
 277                         NULL,  0, cli->max_xmit      /* data, length, max */
 278                         )) {
 279                 SAFE_FREE(param);
 280                 return false;
 281         }
 282
 283         SAFE_FREE(param);
 284
 285         if (!cli_receive_trans(cli, SMBtrans2,
 286                         &rparam, &param_len,
 287                         &rdata, &data_len)) {
 288                 return false;
 289         }
 290
 291         if (data_len < 96) {
 292                 SAFE_FREE(rdata);
 293                 SAFE_FREE(rparam);
 294                 return false;
 295         }
 296
 297         sbuf->st_size = IVAL2_TO_SMB_BIG_UINT(rdata,0);     /* total size, in bytes */
 298         sbuf->st_blocks = IVAL2_TO_SMB_BIG_UINT(rdata,8);   /* number of blocks allocated */
 299 #if defined (HAVE_STAT_ST_BLOCKS) && defined(STAT_ST_BLOCKSIZE)
 300         sbuf->st_blocks /= STAT_ST_BLOCKSIZE;
 301 #else
 302         /* assume 512 byte blocks */
 303         sbuf->st_blocks /= 512;
 304 #endif
 305         set_ctimespec(sbuf, interpret_long_date(rdata + 16));    /* time of last change */
 306         set_atimespec(sbuf, interpret_long_date(rdata + 24));    /* time of last access */
 307         set_mtimespec(sbuf, interpret_long_date(rdata + 32));    /* time of last modification */
 308
 309         sbuf->st_uid = (uid_t) IVAL(rdata,40);      /* user ID of owner */
 310         sbuf->st_gid = (gid_t) IVAL(rdata,48);      /* group ID of owner */
 311         sbuf->st_mode |= unix_filetype_from_wire(IVAL(rdata, 56));
 312 #if defined(HAVE_MAKEDEV)
 313         {
 314                 uint32 dev_major = IVAL(rdata,60);
 315                 uint32 dev_minor = IVAL(rdata,68);
 316                 sbuf->st_rdev = makedev(dev_major, dev_minor);
 317         }
 318 #endif
 319         sbuf->st_ino = (SMB_INO_T)IVAL2_TO_SMB_BIG_UINT(rdata,76);      /* inode */
 320         sbuf->st_mode |= wire_perms_to_unix(IVAL(rdata,84));     /* protection */
 321         sbuf->st_nlink = IVAL(rdata,92);    /* number of hard links */
 322
 323         SAFE_FREE(rdata);
 324         SAFE_FREE(rparam);
 325
 326         return true;
 327 }
 328
 329 /****************************************************************************
 330  Symlink a file (UNIX extensions).
 331 ****************************************************************************/
 332
 333 bool cli_unix_symlink(struct cli_state *cli, const char *oldname, const char *newname)
 334 {
 335         return cli_link_internal(cli, oldname, newname, False);
 336 }
 337
 338 /****************************************************************************
 339  Hard a file (UNIX extensions).
 340 ****************************************************************************/
 341
 342 bool cli_unix_hardlink(struct cli_state *cli, const char *oldname, const char *newname)
 343 {
 344         return cli_link_internal(cli, oldname, newname, True);
 345 }
 346
 347 /****************************************************************************
 348  Chmod or chown a file internal (UNIX extensions).
 349 ****************************************************************************/
 350
 351 static bool cli_unix_chmod_chown_internal(struct cli_state *cli, const char *fname, uint32 mode, uint32 uid, uint32 gid)
 352 {
 353         unsigned int data_len = 0;
 354         unsigned int param_len = 0;
 355         uint16 setup = TRANSACT2_SETPATHINFO;
 356         size_t nlen = 2*(strlen(fname)+1);
 357         char *param;
 358         char data[100];
 359         char *rparam=NULL, *rdata=NULL;
 360         char *p;
 361
 362         param = SMB_MALLOC_ARRAY(char, 6+nlen+2);
 363         if (!param) {
 364                 return false;
 365         }
 366         memset(param, '\0', 6);
 367         memset(data, 0, sizeof(data));
 368
 369         SSVAL(param,0,SMB_SET_FILE_UNIX_BASIC);
 370         p = &param[6];
 371
 372         p += clistr_push(cli, p, fname, nlen, STR_TERMINATE);
 373         param_len = PTR_DIFF(p, param);
 374
 375         memset(data, 0xff, 40); /* Set all sizes/times to no change. */
 376
 377         SIVAL(data,40,uid);
 378         SIVAL(data,48,gid);
 379         SIVAL(data,84,mode);
 380
 381         data_len = 100;
 382
 383         if (!cli_send_trans(cli, SMBtrans2,
 384                         NULL,                        /* name */
 385                         -1, 0,                          /* fid, flags */
 386                         &setup, 1, 0,                   /* setup, length, max */
 387                         param, param_len, 2,            /* param, length, max */
 388                         (char *)&data,  data_len, cli->max_xmit /* data, length, max */
 389                         )) {
 390                 SAFE_FREE(param);
 391                 return False;
 392         }
 393
 394         SAFE_FREE(param);
 395
 396         if (!cli_receive_trans(cli, SMBtrans2,
 397                         &rparam, &param_len,
 398                         &rdata, &data_len)) {
 399                 return false;
 400         }
 401
 402         SAFE_FREE(rdata);
 403         SAFE_FREE(rparam);
 404
 405         return true;
 406 }
 407
 408 /****************************************************************************
 409  chmod a file (UNIX extensions).
 410 ****************************************************************************/
 411
 412 bool cli_unix_chmod(struct cli_state *cli, const char *fname, mode_t mode)
 413 {
 414         return cli_unix_chmod_chown_internal(cli, fname,
 415                 unix_perms_to_wire(mode), SMB_UID_NO_CHANGE, SMB_GID_NO_CHANGE);
 416 }
 417
 418 /****************************************************************************
 419  chown a file (UNIX extensions).
 420 ****************************************************************************/
 421
 422 bool cli_unix_chown(struct cli_state *cli, const char *fname, uid_t uid, gid_t gid)
 423 {
 424         return cli_unix_chmod_chown_internal(cli, fname,
 425                         SMB_MODE_NO_CHANGE, (uint32)uid, (uint32)gid);
 426 }
 427
 428 /****************************************************************************
 429  Rename a file.
 430 ****************************************************************************/
 431
 432 bool cli_rename(struct cli_state *cli, const char *fname_src, const char *fname_dst)
 433 {
 434         char *p;
 435
 436         memset(cli->outbuf,'\0',smb_size);
 437         memset(cli->inbuf,'\0',smb_size);
 438
 439         cli_set_message(cli->outbuf,1, 0, true);
 440
 441         SCVAL(cli->outbuf,smb_com,SMBmv);
 442         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 443         cli_setup_packet(cli);
 444
 445         SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN | aDIR);
 446
 447         p = smb_buf(cli->outbuf);
 448         *p++ = 4;
 449         p += clistr_push(cli, p, fname_src,
 450                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 451         *p++ = 4;
 452         p += clistr_push(cli, p, fname_dst,
 453                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 454
 455         cli_setup_bcc(cli, p);
 456
 457         cli_send_smb(cli);
 458         if (!cli_receive_smb(cli)) {
 459                 return false;
 460         }
 461
 462         if (cli_is_error(cli)) {
 463                 return false;
 464         }
 465
 466         return true;
 467 }
 468
 469 /****************************************************************************
 470  NT Rename a file.
 471 ****************************************************************************/
 472
 473 bool cli_ntrename(struct cli_state *cli, const char *fname_src, const char *fname_dst)
 474 {
 475         char *p;
 476
 477         memset(cli->outbuf,'\0',smb_size);
 478         memset(cli->inbuf,'\0',smb_size);
 479
 480         cli_set_message(cli->outbuf, 4, 0, true);
 481
 482         SCVAL(cli->outbuf,smb_com,SMBntrename);
 483         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 484         cli_setup_packet(cli);
 485
 486         SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN | aDIR);
 487         SSVAL(cli->outbuf,smb_vwv1, RENAME_FLAG_RENAME);
 488
 489         p = smb_buf(cli->outbuf);
 490         *p++ = 4;
 491         p += clistr_push(cli, p, fname_src,
 492                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 493         *p++ = 4;
 494         p += clistr_push(cli, p, fname_dst,
 495                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 496
 497         cli_setup_bcc(cli, p);
 498
 499         cli_send_smb(cli);
 500         if (!cli_receive_smb(cli)) {
 501                 return false;
 502         }
 503
 504         if (cli_is_error(cli)) {
 505                 return false;
 506         }
 507
 508         return true;
 509 }
 510
 511 /****************************************************************************
 512  NT hardlink a file.
 513 ****************************************************************************/
 514
 515 bool cli_nt_hardlink(struct cli_state *cli, const char *fname_src, const char *fname_dst)
 516 {
 517         char *p;
 518
 519         memset(cli->outbuf,'\0',smb_size);
 520         memset(cli->inbuf,'\0',smb_size);
 521
 522         cli_set_message(cli->outbuf, 4, 0, true);
 523
 524         SCVAL(cli->outbuf,smb_com,SMBntrename);
 525         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 526         cli_setup_packet(cli);
 527
 528         SSVAL(cli->outbuf,smb_vwv0,aSYSTEM | aHIDDEN | aDIR);
 529         SSVAL(cli->outbuf,smb_vwv1, RENAME_FLAG_HARD_LINK);
 530
 531         p = smb_buf(cli->outbuf);
 532         *p++ = 4;
 533         p += clistr_push(cli, p, fname_src,
 534                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 535         *p++ = 4;
 536         p += clistr_push(cli, p, fname_dst,
 537                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 538
 539         cli_setup_bcc(cli, p);
 540
 541         cli_send_smb(cli);
 542         if (!cli_receive_smb(cli)) {
 543                 return false;
 544         }
 545
 546         if (cli_is_error(cli)) {
 547                 return false;
 548         }
 549
 550         return true;
 551 }
 552
 553 /****************************************************************************
 554  Delete a file.
 555 ****************************************************************************/
 556
 557 bool cli_unlink_full(struct cli_state *cli, const char *fname, uint16 attrs)
 558 {
 559         char *p;
 560
 561         memset(cli->outbuf,'\0',smb_size);
 562         memset(cli->inbuf,'\0',smb_size);
 563
 564         cli_set_message(cli->outbuf,1, 0, true);
 565
 566         SCVAL(cli->outbuf,smb_com,SMBunlink);
 567         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 568         cli_setup_packet(cli);
 569
 570         SSVAL(cli->outbuf,smb_vwv0, attrs);
 571
 572         p = smb_buf(cli->outbuf);
 573         *p++ = 4;
 574         p += clistr_push(cli, p, fname,
 575                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 576
 577         cli_setup_bcc(cli, p);
 578         cli_send_smb(cli);
 579         if (!cli_receive_smb(cli)) {
 580                 return false;
 581         }
 582
 583         if (cli_is_error(cli)) {
 584                 return false;
 585         }
 586
 587         return true;
 588 }
 589
 590 /****************************************************************************
 591  Delete a file.
 592 ****************************************************************************/
 593
 594 bool cli_unlink(struct cli_state *cli, const char *fname)
 595 {
 596         return cli_unlink_full(cli, fname, aSYSTEM | aHIDDEN);
 597 }
 598
 599 /****************************************************************************
 600  Create a directory.
 601 ****************************************************************************/
 602
 603 bool cli_mkdir(struct cli_state *cli, const char *dname)
 604 {
 605         char *p;
 606
 607         memset(cli->outbuf,'\0',smb_size);
 608         memset(cli->inbuf,'\0',smb_size);
 609
 610         cli_set_message(cli->outbuf,0, 0, true);
 611
 612         SCVAL(cli->outbuf,smb_com,SMBmkdir);
 613         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 614         cli_setup_packet(cli);
 615
 616         p = smb_buf(cli->outbuf);
 617         *p++ = 4;
 618         p += clistr_push(cli, p, dname,
 619                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 620
 621         cli_setup_bcc(cli, p);
 622
 623         cli_send_smb(cli);
 624         if (!cli_receive_smb(cli)) {
 625                 return False;
 626         }
 627
 628         if (cli_is_error(cli)) {
 629                 return False;
 630         }
 631
 632         return True;
 633 }
 634
 635 /****************************************************************************
 636  Remove a directory.
 637 ****************************************************************************/
 638
 639 bool cli_rmdir(struct cli_state *cli, const char *dname)
 640 {
 641         char *p;
 642
 643         memset(cli->outbuf,'\0',smb_size);
 644         memset(cli->inbuf,'\0',smb_size);
 645
 646         cli_set_message(cli->outbuf,0, 0, true);
 647
 648         SCVAL(cli->outbuf,smb_com,SMBrmdir);
 649         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 650         cli_setup_packet(cli);
 651
 652         p = smb_buf(cli->outbuf);
 653         *p++ = 4;
 654         p += clistr_push(cli, p, dname,
 655                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 656
 657         cli_setup_bcc(cli, p);
 658
 659         cli_send_smb(cli);
 660         if (!cli_receive_smb(cli)) {
 661                 return false;
 662         }
 663
 664         if (cli_is_error(cli)) {
 665                 return false;
 666         }
 667
 668         return true;
 669 }
 670
 671 /****************************************************************************
 672  Set or clear the delete on close flag.
 673 ****************************************************************************/
 674
 675 int cli_nt_delete_on_close(struct cli_state *cli, int fnum, bool flag)
 676 {
 677         unsigned int data_len = 1;
 678         unsigned int param_len = 6;
 679         uint16 setup = TRANSACT2_SETFILEINFO;
 680         char param[6];
 681         unsigned char data;
 682         char *rparam=NULL, *rdata=NULL;
 683
 684         memset(param, 0, param_len);
 685         SSVAL(param,0,fnum);
 686         SSVAL(param,2,SMB_SET_FILE_DISPOSITION_INFO);
 687
 688         data = flag ? 1 : 0;
 689
 690         if (!cli_send_trans(cli, SMBtrans2,
 691                         NULL,                        /* name */
 692                         -1, 0,                          /* fid, flags */
 693                         &setup, 1, 0,                   /* setup, length, max */
 694                         param, param_len, 2,            /* param, length, max */
 695                         (char *)&data,  data_len, cli->max_xmit /* data, length, max */
 696                         )) {
 697                 return false;
 698         }
 699
 700         if (!cli_receive_trans(cli, SMBtrans2,
 701                         &rparam, &param_len,
 702                         &rdata, &data_len)) {
 703                 return false;
 704         }
 705
 706         SAFE_FREE(rdata);
 707         SAFE_FREE(rparam);
 708
 709         return true;
 710 }
 711
 712 /****************************************************************************
 713  Open a file - exposing the full horror of the NT API :-).
 714  Used in smbtorture.
 715 ****************************************************************************/
 716
 717 int cli_nt_create_full(struct cli_state *cli, const char *fname,
 718                  uint32 CreatFlags, uint32 DesiredAccess,
 719                  uint32 FileAttributes, uint32 ShareAccess,
 720                  uint32 CreateDisposition, uint32 CreateOptions,
 721                  uint8 SecuityFlags)
 722 {
 723         char *p;
 724         int len;
 725
 726         memset(cli->outbuf,'\0',smb_size);
 727         memset(cli->inbuf,'\0',smb_size);
 728
 729         cli_set_message(cli->outbuf,24,0, true);
 730
 731         SCVAL(cli->outbuf,smb_com,SMBntcreateX);
 732         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 733         cli_setup_packet(cli);
 734
 735         SSVAL(cli->outbuf,smb_vwv0,0xFF);
 736         if (cli->use_oplocks)
 737                 CreatFlags |= (REQUEST_OPLOCK|REQUEST_BATCH_OPLOCK);
 738
 739         SIVAL(cli->outbuf,smb_ntcreate_Flags, CreatFlags);
 740         SIVAL(cli->outbuf,smb_ntcreate_RootDirectoryFid, 0x0);
 741         SIVAL(cli->outbuf,smb_ntcreate_DesiredAccess, DesiredAccess);
 742         SIVAL(cli->outbuf,smb_ntcreate_FileAttributes, FileAttributes);
 743         SIVAL(cli->outbuf,smb_ntcreate_ShareAccess, ShareAccess);
 744         SIVAL(cli->outbuf,smb_ntcreate_CreateDisposition, CreateDisposition);
 745         SIVAL(cli->outbuf,smb_ntcreate_CreateOptions, CreateOptions);
 746         SIVAL(cli->outbuf,smb_ntcreate_ImpersonationLevel, 0x02);
 747         SCVAL(cli->outbuf,smb_ntcreate_SecurityFlags, SecuityFlags);
 748
 749         p = smb_buf(cli->outbuf);
 750         /* this alignment and termination is critical for netapp filers. Don't change */
 751         p += clistr_align_out(cli, p, 0);
 752         len = clistr_push(cli, p, fname,
 753                         cli->bufsize - PTR_DIFF(p,cli->outbuf), 0);
 754         p += len;
 755         SSVAL(cli->outbuf,smb_ntcreate_NameLength, len);
 756         /* sigh. this copes with broken netapp filer behaviour */
 757         p += clistr_push(cli, p, "",
 758                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 759
 760         cli_setup_bcc(cli, p);
 761
 762         cli_send_smb(cli);
 763         if (!cli_receive_smb(cli)) {
 764                 return -1;
 765         }
 766
 767         if (cli_is_error(cli)) {
 768                 return -1;
 769         }
 770
 771         return SVAL(cli->inbuf,smb_vwv2 + 1);
 772 }
 773
 774 /****************************************************************************
 775  Open a file.
 776 ****************************************************************************/
 777
 778 int cli_nt_create(struct cli_state *cli, const char *fname, uint32 DesiredAccess)
 779 {
 780         return cli_nt_create_full(cli, fname, 0, DesiredAccess, 0,
 781                                 FILE_SHARE_READ|FILE_SHARE_WRITE, FILE_OPEN, 0x0, 0x0);
 782 }
 783
 784 /****************************************************************************
 785  Open a file
 786  WARNING: if you open with O_WRONLY then getattrE won't work!
 787 ****************************************************************************/
 788
 789 int cli_open(struct cli_state *cli, const char *fname, int flags, int share_mode)
 790 {
 791         char *p;
 792         unsigned openfn=0;
 793         unsigned accessmode=0;
 794
 795         if (flags & O_CREAT)
 796                 openfn |= (1<<4);
 797         if (!(flags & O_EXCL)) {
 798                 if (flags & O_TRUNC)
 799                         openfn |= (1<<1);
 800                 else
 801                         openfn |= (1<<0);
 802         }
 803
 804         accessmode = (share_mode<<4);
 805
 806         if ((flags & O_ACCMODE) == O_RDWR) {
 807                 accessmode |= 2;
 808         } else if ((flags & O_ACCMODE) == O_WRONLY) {
 809                 accessmode |= 1;
 810         }
 811
 812 #if defined(O_SYNC)
 813         if ((flags & O_SYNC) == O_SYNC) {
 814                 accessmode |= (1<<14);
 815         }
 816 #endif /* O_SYNC */
 817
 818         if (share_mode == DENY_FCB) {
 819                 accessmode = 0xFF;
 820         }
 821
 822         memset(cli->outbuf,'\0',smb_size);
 823         memset(cli->inbuf,'\0',smb_size);
 824
 825         cli_set_message(cli->outbuf,15,0, true);
 826
 827         SCVAL(cli->outbuf,smb_com,SMBopenX);
 828         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 829         cli_setup_packet(cli);
 830
 831         SSVAL(cli->outbuf,smb_vwv0,0xFF);
 832         SSVAL(cli->outbuf,smb_vwv2,0);  /* no additional info */
 833         SSVAL(cli->outbuf,smb_vwv3,accessmode);
 834         SSVAL(cli->outbuf,smb_vwv4,aSYSTEM | aHIDDEN);
 835         SSVAL(cli->outbuf,smb_vwv5,0);
 836         SSVAL(cli->outbuf,smb_vwv8,openfn);
 837
 838         if (cli->use_oplocks) {
 839                 /* if using oplocks then ask for a batch oplock via
 840                    core and extended methods */
 841                 SCVAL(cli->outbuf,smb_flg, CVAL(cli->outbuf,smb_flg)|
 842                         FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK);
 843                 SSVAL(cli->outbuf,smb_vwv2,SVAL(cli->outbuf,smb_vwv2) | 6);
 844         }
 845
 846         p = smb_buf(cli->outbuf);
 847         p += clistr_push(cli, p, fname,
 848                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 849
 850         cli_setup_bcc(cli, p);
 851
 852         cli_send_smb(cli);
 853         if (!cli_receive_smb(cli)) {
 854                 return -1;
 855         }
 856
 857         if (cli_is_error(cli)) {
 858                 return -1;
 859         }
 860
 861         return SVAL(cli->inbuf,smb_vwv2);
 862 }
 863
 864 /****************************************************************************
 865  Close a file.
 866 ****************************************************************************/
 867
 868 bool cli_close(struct cli_state *cli, int fnum)
 869 {
 870         memset(cli->outbuf,'\0',smb_size);
 871         memset(cli->inbuf,'\0',smb_size);
 872
 873         cli_set_message(cli->outbuf,3,0,True);
 874
 875         SCVAL(cli->outbuf,smb_com,SMBclose);
 876         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 877         cli_setup_packet(cli);
 878
 879         SSVAL(cli->outbuf,smb_vwv0,fnum);
 880         SIVALS(cli->outbuf,smb_vwv1,-1);
 881
 882         cli_send_smb(cli);
 883         if (!cli_receive_smb(cli)) {
 884                 return False;
 885         }
 886
 887         return !cli_is_error(cli);
 888 }
 889
 890
 891 /****************************************************************************
 892  send a lock with a specified locktype
 893  this is used for testing LOCKING_ANDX_CANCEL_LOCK
 894 ****************************************************************************/
 895
 896 NTSTATUS cli_locktype(struct cli_state *cli, int fnum,
 897                       uint32 offset, uint32 len,
 898                       int timeout, unsigned char locktype)
 899 {
 900         char *p;
 901         int saved_timeout = cli->timeout;
 902
 903         memset(cli->outbuf,'\0',smb_size);
 904         memset(cli->inbuf,'\0', smb_size);
 905
 906         cli_set_message(cli->outbuf,8,0,True);
 907
 908         SCVAL(cli->outbuf,smb_com,SMBlockingX);
 909         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 910         cli_setup_packet(cli);
 911
 912         SCVAL(cli->outbuf,smb_vwv0,0xFF);
 913         SSVAL(cli->outbuf,smb_vwv2,fnum);
 914         SCVAL(cli->outbuf,smb_vwv3,locktype);
 915         SIVALS(cli->outbuf, smb_vwv4, timeout);
 916         SSVAL(cli->outbuf,smb_vwv6,0);
 917         SSVAL(cli->outbuf,smb_vwv7,1);
 918
 919         p = smb_buf(cli->outbuf);
 920         SSVAL(p, 0, cli->pid);
 921         SIVAL(p, 2, offset);
 922         SIVAL(p, 6, len);
 923
 924         p += 10;
 925
 926         cli_setup_bcc(cli, p);
 927
 928         cli_send_smb(cli);
 929
 930         if (timeout != 0) {
 931                 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 2*1000);
 932         }
 933
 934         if (!cli_receive_smb(cli)) {
 935                 cli->timeout = saved_timeout;
 936                 return NT_STATUS_UNSUCCESSFUL;
 937         }
 938
 939         cli->timeout = saved_timeout;
 940
 941         return cli_nt_error(cli);
 942 }
 943
 944 /****************************************************************************
 945  Lock a file.
 946  note that timeout is in units of 2 milliseconds
 947 ****************************************************************************/
 948
 949 bool cli_lock(struct cli_state *cli, int fnum,
 950               uint32 offset, uint32 len, int timeout, enum brl_type lock_type)
 951 {
 952         char *p;
 953         int saved_timeout = cli->timeout;
 954
 955         memset(cli->outbuf,'\0',smb_size);
 956         memset(cli->inbuf,'\0', smb_size);
 957
 958         cli_set_message(cli->outbuf,8,0,True);
 959
 960         SCVAL(cli->outbuf,smb_com,SMBlockingX);
 961         SSVAL(cli->outbuf,smb_tid,cli->cnum);
 962         cli_setup_packet(cli);
 963
 964         SCVAL(cli->outbuf,smb_vwv0,0xFF);
 965         SSVAL(cli->outbuf,smb_vwv2,fnum);
 966         SCVAL(cli->outbuf,smb_vwv3,(lock_type == READ_LOCK? 1 : 0));
 967         SIVALS(cli->outbuf, smb_vwv4, timeout);
 968         SSVAL(cli->outbuf,smb_vwv6,0);
 969         SSVAL(cli->outbuf,smb_vwv7,1);
 970
 971         p = smb_buf(cli->outbuf);
 972         SSVAL(p, 0, cli->pid);
 973         SIVAL(p, 2, offset);
 974         SIVAL(p, 6, len);
 975
 976         p += 10;
 977
 978         cli_setup_bcc(cli, p);
 979
 980         cli_send_smb(cli);
 981
 982         if (timeout != 0) {
 983                 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout*2 + 5*1000);
 984         }
 985
 986         if (!cli_receive_smb(cli)) {
 987                 cli->timeout = saved_timeout;
 988                 return False;
 989         }
 990
 991         cli->timeout = saved_timeout;
 992
 993         if (cli_is_error(cli)) {
 994                 return False;
 995         }
 996
 997         return True;
 998 }
 999
1000 /****************************************************************************
1001  Unlock a file.
1002 ****************************************************************************/
1003
1004 bool cli_unlock(struct cli_state *cli, int fnum, uint32 offset, uint32 len)
1005 {
1006         char *p;
1007
1008         memset(cli->outbuf,'\0',smb_size);
1009         memset(cli->inbuf,'\0',smb_size);
1010
1011         cli_set_message(cli->outbuf,8,0,True);
1012
1013         SCVAL(cli->outbuf,smb_com,SMBlockingX);
1014         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1015         cli_setup_packet(cli);
1016
1017         SCVAL(cli->outbuf,smb_vwv0,0xFF);
1018         SSVAL(cli->outbuf,smb_vwv2,fnum);
1019         SCVAL(cli->outbuf,smb_vwv3,0);
1020         SIVALS(cli->outbuf, smb_vwv4, 0);
1021         SSVAL(cli->outbuf,smb_vwv6,1);
1022         SSVAL(cli->outbuf,smb_vwv7,0);
1023
1024         p = smb_buf(cli->outbuf);
1025         SSVAL(p, 0, cli->pid);
1026         SIVAL(p, 2, offset);
1027         SIVAL(p, 6, len);
1028         p += 10;
1029         cli_setup_bcc(cli, p);
1030         cli_send_smb(cli);
1031         if (!cli_receive_smb(cli)) {
1032                 return False;
1033         }
1034
1035         if (cli_is_error(cli)) {
1036                 return False;
1037         }
1038
1039         return True;
1040 }
1041
1042 /****************************************************************************
1043  Lock a file with 64 bit offsets.
1044 ****************************************************************************/
1045
1046 bool cli_lock64(struct cli_state *cli, int fnum,
1047                 SMB_BIG_UINT offset, SMB_BIG_UINT len, int timeout, enum brl_type lock_type)
1048 {
1049         char *p;
1050         int saved_timeout = cli->timeout;
1051         int ltype;
1052
1053         if (! (cli->capabilities & CAP_LARGE_FILES)) {
1054                 return cli_lock(cli, fnum, offset, len, timeout, lock_type);
1055         }
1056
1057         ltype = (lock_type == READ_LOCK? 1 : 0);
1058         ltype |= LOCKING_ANDX_LARGE_FILES;
1059
1060         memset(cli->outbuf,'\0',smb_size);
1061         memset(cli->inbuf,'\0', smb_size);
1062
1063         cli_set_message(cli->outbuf,8,0,True);
1064
1065         SCVAL(cli->outbuf,smb_com,SMBlockingX);
1066         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1067         cli_setup_packet(cli);
1068
1069         SCVAL(cli->outbuf,smb_vwv0,0xFF);
1070         SSVAL(cli->outbuf,smb_vwv2,fnum);
1071         SCVAL(cli->outbuf,smb_vwv3,ltype);
1072         SIVALS(cli->outbuf, smb_vwv4, timeout);
1073         SSVAL(cli->outbuf,smb_vwv6,0);
1074         SSVAL(cli->outbuf,smb_vwv7,1);
1075
1076         p = smb_buf(cli->outbuf);
1077         SIVAL(p, 0, cli->pid);
1078         SOFF_T_R(p, 4, offset);
1079         SOFF_T_R(p, 12, len);
1080         p += 20;
1081
1082         cli_setup_bcc(cli, p);
1083         cli_send_smb(cli);
1084
1085         if (timeout != 0) {
1086                 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 5*1000);
1087         }
1088
1089         if (!cli_receive_smb(cli)) {
1090                 cli->timeout = saved_timeout;
1091                 return False;
1092         }
1093
1094         cli->timeout = saved_timeout;
1095
1096         if (cli_is_error(cli)) {
1097                 return False;
1098         }
1099
1100         return True;
1101 }
1102
1103 /****************************************************************************
1104  Unlock a file with 64 bit offsets.
1105 ****************************************************************************/
1106
1107 bool cli_unlock64(struct cli_state *cli, int fnum, SMB_BIG_UINT offset, SMB_BIG_UINT len)
1108 {
1109         char *p;
1110
1111         if (! (cli->capabilities & CAP_LARGE_FILES)) {
1112                 return cli_unlock(cli, fnum, offset, len);
1113         }
1114
1115         memset(cli->outbuf,'\0',smb_size);
1116         memset(cli->inbuf,'\0',smb_size);
1117
1118         cli_set_message(cli->outbuf,8,0,True);
1119
1120         SCVAL(cli->outbuf,smb_com,SMBlockingX);
1121         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1122         cli_setup_packet(cli);
1123
1124         SCVAL(cli->outbuf,smb_vwv0,0xFF);
1125         SSVAL(cli->outbuf,smb_vwv2,fnum);
1126         SCVAL(cli->outbuf,smb_vwv3,LOCKING_ANDX_LARGE_FILES);
1127         SIVALS(cli->outbuf, smb_vwv4, 0);
1128         SSVAL(cli->outbuf,smb_vwv6,1);
1129         SSVAL(cli->outbuf,smb_vwv7,0);
1130
1131         p = smb_buf(cli->outbuf);
1132         SIVAL(p, 0, cli->pid);
1133         SOFF_T_R(p, 4, offset);
1134         SOFF_T_R(p, 12, len);
1135         p += 20;
1136         cli_setup_bcc(cli, p);
1137         cli_send_smb(cli);
1138         if (!cli_receive_smb(cli)) {
1139                 return False;
1140         }
1141
1142         if (cli_is_error(cli)) {
1143                 return False;
1144         }
1145
1146         return True;
1147 }
1148
1149 /****************************************************************************
1150  Get/unlock a POSIX lock on a file - internal function.
1151 ****************************************************************************/
1152
1153 static bool cli_posix_lock_internal(struct cli_state *cli, int fnum,
1154                 SMB_BIG_UINT offset, SMB_BIG_UINT len, bool wait_lock, enum brl_type lock_type)
1155 {
1156         unsigned int param_len = 4;
1157         unsigned int data_len = POSIX_LOCK_DATA_SIZE;
1158         uint16 setup = TRANSACT2_SETFILEINFO;
1159         char param[4];
1160         unsigned char data[POSIX_LOCK_DATA_SIZE];
1161         char *rparam=NULL, *rdata=NULL;
1162         int saved_timeout = cli->timeout;
1163
1164         SSVAL(param,0,fnum);
1165         SSVAL(param,2,SMB_SET_POSIX_LOCK);
1166
1167         switch (lock_type) {
1168                 case READ_LOCK:
1169                         SSVAL(data, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_READ);
1170                         break;
1171                 case WRITE_LOCK:
1172                         SSVAL(data, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_WRITE);
1173                         break;
1174                 case UNLOCK_LOCK:
1175                         SSVAL(data, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_UNLOCK);
1176                         break;
1177                 default:
1178                         return False;
1179         }
1180
1181         if (wait_lock) {
1182                 SSVAL(data, POSIX_LOCK_FLAGS_OFFSET, POSIX_LOCK_FLAG_WAIT);
1183                 cli->timeout = 0x7FFFFFFF;
1184         } else {
1185                 SSVAL(data, POSIX_LOCK_FLAGS_OFFSET, POSIX_LOCK_FLAG_NOWAIT);
1186         }
1187
1188         SIVAL(data, POSIX_LOCK_PID_OFFSET, cli->pid);
1189         SOFF_T(data, POSIX_LOCK_START_OFFSET, offset);
1190         SOFF_T(data, POSIX_LOCK_LEN_OFFSET, len);
1191
1192         if (!cli_send_trans(cli, SMBtrans2,
1193                         NULL,                        /* name */
1194                         -1, 0,                          /* fid, flags */
1195                         &setup, 1, 0,                   /* setup, length, max */
1196                         param, param_len, 2,            /* param, length, max */
1197                         (char *)&data,  data_len, cli->max_xmit /* data, length, max */
1198                         )) {
1199                 cli->timeout = saved_timeout;
1200                 return False;
1201         }
1202
1203         if (!cli_receive_trans(cli, SMBtrans2,
1204                                 &rparam, &param_len,
1205                                 &rdata, &data_len)) {
1206                 cli->timeout = saved_timeout;
1207                 SAFE_FREE(rdata);
1208                 SAFE_FREE(rparam);
1209                 return False;
1210         }
1211
1212         cli->timeout = saved_timeout;
1213
1214         SAFE_FREE(rdata);
1215         SAFE_FREE(rparam);
1216
1217         return True;
1218 }
1219
1220 /****************************************************************************
1221  POSIX Lock a file.
1222 ****************************************************************************/
1223
1224 bool cli_posix_lock(struct cli_state *cli, int fnum,
1225                         SMB_BIG_UINT offset, SMB_BIG_UINT len,
1226                         bool wait_lock, enum brl_type lock_type)
1227 {
1228         if (lock_type != READ_LOCK && lock_type != WRITE_LOCK) {
1229                 return False;
1230         }
1231         return cli_posix_lock_internal(cli, fnum, offset, len, wait_lock, lock_type);
1232 }
1233
1234 /****************************************************************************
1235  POSIX Unlock a file.
1236 ****************************************************************************/
1237
1238 bool cli_posix_unlock(struct cli_state *cli, int fnum, SMB_BIG_UINT offset, SMB_BIG_UINT len)
1239 {
1240         return cli_posix_lock_internal(cli, fnum, offset, len, False, UNLOCK_LOCK);
1241 }
1242
1243 /****************************************************************************
1244  POSIX Get any lock covering a file.
1245 ****************************************************************************/
1246
1247 bool cli_posix_getlock(struct cli_state *cli, int fnum, SMB_BIG_UINT *poffset, SMB_BIG_UINT *plen)
1248 {
1249         return True;
1250 }
1251
1252 /****************************************************************************
1253  Do a SMBgetattrE call.
1254 ****************************************************************************/
1255
1256 bool cli_getattrE(struct cli_state *cli, int fd,
1257                   uint16 *attr, SMB_OFF_T *size,
1258                   time_t *change_time,
1259                   time_t *access_time,
1260                   time_t *write_time)
1261 {
1262         memset(cli->outbuf,'\0',smb_size);
1263         memset(cli->inbuf,'\0',smb_size);
1264
1265         cli_set_message(cli->outbuf,1,0,True);
1266
1267         SCVAL(cli->outbuf,smb_com,SMBgetattrE);
1268         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1269         cli_setup_packet(cli);
1270
1271         SSVAL(cli->outbuf,smb_vwv0,fd);
1272
1273         cli_send_smb(cli);
1274         if (!cli_receive_smb(cli)) {
1275                 return False;
1276         }
1277
1278         if (cli_is_error(cli)) {
1279                 return False;
1280         }
1281
1282         if (size) {
1283                 *size = IVAL(cli->inbuf, smb_vwv6);
1284         }
1285
1286         if (attr) {
1287                 *attr = SVAL(cli->inbuf,smb_vwv10);
1288         }
1289
1290         if (change_time) {
1291                 *change_time = cli_make_unix_date2(cli, cli->inbuf+smb_vwv0);
1292         }
1293
1294         if (access_time) {
1295                 *access_time = cli_make_unix_date2(cli, cli->inbuf+smb_vwv2);
1296         }
1297
1298         if (write_time) {
1299                 *write_time = cli_make_unix_date2(cli, cli->inbuf+smb_vwv4);
1300         }
1301
1302         return True;
1303 }
1304
1305 /****************************************************************************
1306  Do a SMBgetatr call
1307 ****************************************************************************/
1308
1309 bool cli_getatr(struct cli_state *cli, const char *fname,
1310                 uint16 *attr, SMB_OFF_T *size, time_t *write_time)
1311 {
1312         char *p;
1313
1314         memset(cli->outbuf,'\0',smb_size);
1315         memset(cli->inbuf,'\0',smb_size);
1316
1317         cli_set_message(cli->outbuf,0,0,True);
1318
1319         SCVAL(cli->outbuf,smb_com,SMBgetatr);
1320         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1321         cli_setup_packet(cli);
1322
1323         p = smb_buf(cli->outbuf);
1324         *p++ = 4;
1325         p += clistr_push(cli, p, fname,
1326                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
1327
1328         cli_setup_bcc(cli, p);
1329
1330         cli_send_smb(cli);
1331         if (!cli_receive_smb(cli)) {
1332                 return False;
1333         }
1334
1335         if (cli_is_error(cli)) {
1336                 return False;
1337         }
1338
1339         if (size) {
1340                 *size = IVAL(cli->inbuf, smb_vwv3);
1341         }
1342
1343         if (write_time) {
1344                 *write_time = cli_make_unix_date3(cli, cli->inbuf+smb_vwv1);
1345         }
1346
1347         if (attr) {
1348                 *attr = SVAL(cli->inbuf,smb_vwv0);
1349         }
1350
1351         return True;
1352 }
1353
1354 /****************************************************************************
1355  Do a SMBsetattrE call.
1356 ****************************************************************************/
1357
1358 bool cli_setattrE(struct cli_state *cli, int fd,
1359                   time_t change_time,
1360                   time_t access_time,
1361                   time_t write_time)
1362
1363 {
1364         char *p;
1365
1366         memset(cli->outbuf,'\0',smb_size);
1367         memset(cli->inbuf,'\0',smb_size);
1368
1369         cli_set_message(cli->outbuf,7,0,True);
1370
1371         SCVAL(cli->outbuf,smb_com,SMBsetattrE);
1372         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1373         cli_setup_packet(cli);
1374
1375         SSVAL(cli->outbuf,smb_vwv0, fd);
1376         cli_put_dos_date2(cli, cli->outbuf,smb_vwv1, change_time);
1377         cli_put_dos_date2(cli, cli->outbuf,smb_vwv3, access_time);
1378         cli_put_dos_date2(cli, cli->outbuf,smb_vwv5, write_time);
1379
1380         p = smb_buf(cli->outbuf);
1381         *p++ = 4;
1382
1383         cli_setup_bcc(cli, p);
1384
1385         cli_send_smb(cli);
1386         if (!cli_receive_smb(cli)) {
1387                 return False;
1388         }
1389
1390         if (cli_is_error(cli)) {
1391                 return False;
1392         }
1393
1394         return True;
1395 }
1396
1397 /****************************************************************************
1398  Do a SMBsetatr call.
1399 ****************************************************************************/
1400
1401 bool cli_setatr(struct cli_state *cli, const char *fname, uint16 attr, time_t t)
1402 {
1403         char *p;
1404
1405         memset(cli->outbuf,'\0',smb_size);
1406         memset(cli->inbuf,'\0',smb_size);
1407
1408         cli_set_message(cli->outbuf,8,0,True);
1409
1410         SCVAL(cli->outbuf,smb_com,SMBsetatr);
1411         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1412         cli_setup_packet(cli);
1413
1414         SSVAL(cli->outbuf,smb_vwv0, attr);
1415         cli_put_dos_date3(cli, cli->outbuf,smb_vwv1, t);
1416
1417         p = smb_buf(cli->outbuf);
1418         *p++ = 4;
1419         p += clistr_push(cli, p, fname,
1420                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
1421         *p++ = 4;
1422
1423         cli_setup_bcc(cli, p);
1424
1425         cli_send_smb(cli);
1426         if (!cli_receive_smb(cli)) {
1427                 return False;
1428         }
1429
1430         if (cli_is_error(cli)) {
1431                 return False;
1432         }
1433
1434         return True;
1435 }
1436
1437 /****************************************************************************
1438  Check for existance of a dir.
1439 ****************************************************************************/
1440
1441 bool cli_chkpath(struct cli_state *cli, const char *path)
1442 {
1443         char *path2 = NULL;
1444         char *p;
1445         TALLOC_CTX *frame = talloc_stackframe();
1446
1447         path2 = talloc_strdup(frame, path);
1448         if (!path2) {
1449                 TALLOC_FREE(frame);
1450                 return false;
1451         }
1452         trim_char(path2,'\0','\\');
1453         if (!*path2) {
1454                 path2 = talloc_strdup(frame, "\\");
1455                 if (!path2) {
1456                         TALLOC_FREE(frame);
1457                         return false;
1458                 }
1459         }
1460
1461         memset(cli->outbuf,'\0',smb_size);
1462         cli_set_message(cli->outbuf,0,0,True);
1463         SCVAL(cli->outbuf,smb_com,SMBcheckpath);
1464         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1465         cli_setup_packet(cli);
1466         p = smb_buf(cli->outbuf);
1467         *p++ = 4;
1468         p += clistr_push(cli, p, path2,
1469                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
1470
1471         cli_setup_bcc(cli, p);
1472
1473         cli_send_smb(cli);
1474         if (!cli_receive_smb(cli)) {
1475                 TALLOC_FREE(frame);
1476                 return False;
1477         }
1478
1479         TALLOC_FREE(frame);
1480
1481         if (cli_is_error(cli)) return False;
1482
1483         return True;
1484 }
1485
1486 /****************************************************************************
1487  Query disk space.
1488 ****************************************************************************/
1489
1490 bool cli_dskattr(struct cli_state *cli, int *bsize, int *total, int *avail)
1491 {
1492         memset(cli->outbuf,'\0',smb_size);
1493         cli_set_message(cli->outbuf,0,0,True);
1494         SCVAL(cli->outbuf,smb_com,SMBdskattr);
1495         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1496         cli_setup_packet(cli);
1497
1498         cli_send_smb(cli);
1499         if (!cli_receive_smb(cli)) {
1500                 return False;
1501         }
1502
1503         *bsize = SVAL(cli->inbuf,smb_vwv1)*SVAL(cli->inbuf,smb_vwv2);
1504         *total = SVAL(cli->inbuf,smb_vwv0);
1505         *avail = SVAL(cli->inbuf,smb_vwv3);
1506
1507         return True;
1508 }
1509
1510 /****************************************************************************
1511  Create and open a temporary file.
1512 ****************************************************************************/
1513
1514 int cli_ctemp(struct cli_state *cli, const char *path, char **tmp_path)
1515 {
1516         int len;
1517         char *p;
1518
1519         memset(cli->outbuf,'\0',smb_size);
1520         memset(cli->inbuf,'\0',smb_size);
1521
1522         cli_set_message(cli->outbuf,3,0,True);
1523
1524         SCVAL(cli->outbuf,smb_com,SMBctemp);
1525         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1526         cli_setup_packet(cli);
1527
1528         SSVAL(cli->outbuf,smb_vwv0,0);
1529         SIVALS(cli->outbuf,smb_vwv1,-1);
1530
1531         p = smb_buf(cli->outbuf);
1532         *p++ = 4;
1533         p += clistr_push(cli, p, path,
1534                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
1535
1536         cli_setup_bcc(cli, p);
1537
1538         cli_send_smb(cli);
1539         if (!cli_receive_smb(cli)) {
1540                 return -1;
1541         }
1542
1543         if (cli_is_error(cli)) {
1544                 return -1;
1545         }
1546
1547         /* despite the spec, the result has a -1, followed by
1548            length, followed by name */
1549         p = smb_buf(cli->inbuf);
1550         p += 4;
1551         len = smb_buflen(cli->inbuf) - 4;
1552         if (len <= 0 || len > PATH_MAX) return -1;
1553
1554         if (tmp_path) {
1555                 char *path2 = SMB_MALLOC_ARRAY(char, len+1);
1556                 if (!path2) {
1557                         return -1;
1558                 }
1559                 clistr_pull(cli, path2, p,
1560                             len+1, len, STR_ASCII);
1561                 *tmp_path = path2;
1562         }
1563
1564         return SVAL(cli->inbuf,smb_vwv0);
1565 }
1566
1567 /*
1568    send a raw ioctl - used by the torture code
1569 */
1570 NTSTATUS cli_raw_ioctl(struct cli_state *cli, int fnum, uint32 code, DATA_BLOB *blob)
1571 {
1572         memset(cli->outbuf,'\0',smb_size);
1573         memset(cli->inbuf,'\0',smb_size);
1574
1575         cli_set_message(cli->outbuf, 3, 0, True);
1576         SCVAL(cli->outbuf,smb_com,SMBioctl);
1577         cli_setup_packet(cli);
1578
1579         SSVAL(cli->outbuf, smb_vwv0, fnum);
1580         SSVAL(cli->outbuf, smb_vwv1, code>>16);
1581         SSVAL(cli->outbuf, smb_vwv2, (code&0xFFFF));
1582
1583         cli_send_smb(cli);
1584         if (!cli_receive_smb(cli)) {
1585                 return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
1586         }
1587
1588         if (cli_is_error(cli)) {
1589                 return cli_nt_error(cli);
1590         }
1591
1592         *blob = data_blob_null;
1593
1594         return NT_STATUS_OK;
1595 }
1596
1597 /*********************************************************
1598  Set an extended attribute utility fn.
1599 *********************************************************/
1600
1601 static bool cli_set_ea(struct cli_state *cli, uint16 setup, char *param, unsigned int param_len,
1602                         const char *ea_name, const char *ea_val, size_t ea_len)
1603 {
1604         unsigned int data_len = 0;
1605         char *data = NULL;
1606         char *rparam=NULL, *rdata=NULL;
1607         char *p;
1608         size_t ea_namelen = strlen(ea_name);
1609
1610         if (ea_namelen == 0 && ea_len == 0) {
1611                 data_len = 4;
1612                 data = (char *)SMB_MALLOC(data_len);
1613                 if (!data) {
1614                         return False;
1615                 }
1616                 p = data;
1617                 SIVAL(p,0,data_len);
1618         } else {
1619                 data_len = 4 + 4 + ea_namelen + 1 + ea_len;
1620                 data = (char *)SMB_MALLOC(data_len);
1621                 if (!data) {
1622                         return False;
1623                 }
1624                 p = data;
1625                 SIVAL(p,0,data_len);
1626                 p += 4;
1627                 SCVAL(p, 0, 0); /* EA flags. */
1628                 SCVAL(p, 1, ea_namelen);
1629                 SSVAL(p, 2, ea_len);
1630                 memcpy(p+4, ea_name, ea_namelen+1); /* Copy in the name. */
1631                 memcpy(p+4+ea_namelen+1, ea_val, ea_len);
1632         }
1633
1634         if (!cli_send_trans(cli, SMBtrans2,
1635                         NULL,                        /* name */
1636                         -1, 0,                          /* fid, flags */
1637                         &setup, 1, 0,                   /* setup, length, max */
1638                         param, param_len, 2,            /* param, length, max */
1639                         data,  data_len, cli->max_xmit /* data, length, max */
1640                         )) {
1641                 SAFE_FREE(data);
1642                 return False;
1643         }
1644
1645         if (!cli_receive_trans(cli, SMBtrans2,
1646                         &rparam, &param_len,
1647                         &rdata, &data_len)) {
1648                         SAFE_FREE(data);
1649                 return false;
1650         }
1651
1652         SAFE_FREE(data);
1653         SAFE_FREE(rdata);
1654         SAFE_FREE(rparam);
1655
1656         return True;
1657 }
1658
1659 /*********************************************************
1660  Set an extended attribute on a pathname.
1661 *********************************************************/
1662
1663 bool cli_set_ea_path(struct cli_state *cli, const char *path, const char *ea_name, const char *ea_val, size_t ea_len)
1664 {
1665         uint16 setup = TRANSACT2_SETPATHINFO;
1666         unsigned int param_len = 0;
1667         char *param;
1668         size_t srclen = 2*(strlen(path)+1);
1669         char *p;
1670         bool ret;
1671
1672         param = SMB_MALLOC_ARRAY(char, 6+srclen+2);
1673         if (!param) {
1674                 return false;
1675         }
1676         memset(param, '\0', 6);
1677         SSVAL(param,0,SMB_INFO_SET_EA);
1678         p = &param[6];
1679
1680         p += clistr_push(cli, p, path, srclen, STR_TERMINATE);
1681         param_len = PTR_DIFF(p, param);
1682
1683         ret = cli_set_ea(cli, setup, param, param_len, ea_name, ea_val, ea_len);
1684         SAFE_FREE(param);
1685         return ret;
1686 }
1687
1688 /*********************************************************
1689  Set an extended attribute on an fnum.
1690 *********************************************************/
1691
1692 bool cli_set_ea_fnum(struct cli_state *cli, int fnum, const char *ea_name, const char *ea_val, size_t ea_len)
1693 {
1694         char param[6];
1695         uint16 setup = TRANSACT2_SETFILEINFO;
1696
1697         memset(param, 0, 6);
1698         SSVAL(param,0,fnum);
1699         SSVAL(param,2,SMB_INFO_SET_EA);
1700
1701         return cli_set_ea(cli, setup, param, 6, ea_name, ea_val, ea_len);
1702 }
1703
1704 /*********************************************************
1705  Get an extended attribute list tility fn.
1706 *********************************************************/
1707
1708 static bool cli_get_ea_list(struct cli_state *cli,
1709                 uint16 setup, char *param, unsigned int param_len,
1710                 TALLOC_CTX *ctx,
1711                 size_t *pnum_eas,
1712                 struct ea_struct **pea_list)
1713 {
1714         unsigned int data_len = 0;
1715         unsigned int rparam_len, rdata_len;
1716         char *rparam=NULL, *rdata=NULL;
1717         char *p;
1718         size_t ea_size;
1719         size_t num_eas;
1720         bool ret = False;
1721         struct ea_struct *ea_list;
1722
1723         *pnum_eas = 0;
1724         if (pea_list) {
1725                 *pea_list = NULL;
1726         }
1727
1728         if (!cli_send_trans(cli, SMBtrans2,
1729                         NULL,           /* Name */
1730                         -1, 0,          /* fid, flags */
1731                         &setup, 1, 0,   /* setup, length, max */
1732                         param, param_len, 10, /* param, length, max */
1733                         NULL, data_len, cli->max_xmit /* data, length, max */
1734                                 )) {
1735                 return False;
1736         }
1737
1738         if (!cli_receive_trans(cli, SMBtrans2,
1739                         &rparam, &rparam_len,
1740                         &rdata, &rdata_len)) {
1741                 return False;
1742         }
1743
1744         if (!rdata || rdata_len < 4) {
1745                 goto out;
1746         }
1747
1748         ea_size = (size_t)IVAL(rdata,0);
1749         if (ea_size > rdata_len) {
1750                 goto out;
1751         }
1752
1753         if (ea_size == 0) {
1754                 /* No EA's present. */
1755                 ret = True;
1756                 goto out;
1757         }
1758
1759         p = rdata + 4;
1760         ea_size -= 4;
1761
1762         /* Validate the EA list and count it. */
1763         for (num_eas = 0; ea_size >= 4; num_eas++) {
1764                 unsigned int ea_namelen = CVAL(p,1);
1765                 unsigned int ea_valuelen = SVAL(p,2);
1766                 if (ea_namelen == 0) {
1767                         goto out;
1768                 }
1769                 if (4 + ea_namelen + 1 + ea_valuelen > ea_size) {
1770                         goto out;
1771                 }
1772                 ea_size -= 4 + ea_namelen + 1 + ea_valuelen;
1773                 p += 4 + ea_namelen + 1 + ea_valuelen;
1774         }
1775
1776         if (num_eas == 0) {
1777                 ret = True;
1778                 goto out;
1779         }
1780
1781         *pnum_eas = num_eas;
1782         if (!pea_list) {
1783                 /* Caller only wants number of EA's. */
1784                 ret = True;
1785                 goto out;
1786         }
1787
1788         ea_list = TALLOC_ARRAY(ctx, struct ea_struct, num_eas);
1789         if (!ea_list) {
1790                 goto out;
1791         }
1792
1793         ea_size = (size_t)IVAL(rdata,0);
1794         p = rdata + 4;
1795
1796         for (num_eas = 0; num_eas < *pnum_eas; num_eas++ ) {
1797                 struct ea_struct *ea = &ea_list[num_eas];
1798                 fstring unix_ea_name;
1799                 unsigned int ea_namelen = CVAL(p,1);
1800                 unsigned int ea_valuelen = SVAL(p,2);
1801
1802                 ea->flags = CVAL(p,0);
1803                 unix_ea_name[0] = '\0';
1804                 pull_ascii_fstring(unix_ea_name, p + 4);
1805                 ea->name = talloc_strdup(ctx, unix_ea_name);
1806                 /* Ensure the value is null terminated (in case it's a string). */
1807                 ea->value = data_blob_talloc(ctx, NULL, ea_valuelen + 1);
1808                 if (!ea->value.data) {
1809                         goto out;
1810                 }
1811                 if (ea_valuelen) {
1812                         memcpy(ea->value.data, p+4+ea_namelen+1, ea_valuelen);
1813                 }
1814                 ea->value.data[ea_valuelen] = 0;
1815                 ea->value.length--;
1816                 p += 4 + ea_namelen + 1 + ea_valuelen;
1817         }
1818
1819         *pea_list = ea_list;
1820         ret = True;
1821
1822  out :
1823
1824         SAFE_FREE(rdata);
1825         SAFE_FREE(rparam);
1826         return ret;
1827 }
1828
1829 /*********************************************************
1830  Get an extended attribute list from a pathname.
1831 *********************************************************/
1832
1833 bool cli_get_ea_list_path(struct cli_state *cli, const char *path,
1834                 TALLOC_CTX *ctx,
1835                 size_t *pnum_eas,
1836                 struct ea_struct **pea_list)
1837 {
1838         uint16 setup = TRANSACT2_QPATHINFO;
1839         unsigned int param_len = 0;
1840         char *param;
1841         char *p;
1842         size_t srclen = 2*(strlen(path)+1);
1843         bool ret;
1844
1845         param = SMB_MALLOC_ARRAY(char, 6+srclen+2);
1846         if (!param) {
1847                 return false;
1848         }
1849         p = param;
1850         memset(p, 0, 6);
1851         SSVAL(p, 0, SMB_INFO_QUERY_ALL_EAS);
1852         p += 6;
1853         p += clistr_push(cli, p, path, srclen, STR_TERMINATE);
1854         param_len = PTR_DIFF(p, param);
1855
1856         ret = cli_get_ea_list(cli, setup, param, param_len, ctx, pnum_eas, pea_list);
1857         SAFE_FREE(param);
1858         return ret;
1859 }
1860
1861 /*********************************************************
1862  Get an extended attribute list from an fnum.
1863 *********************************************************/
1864
1865 bool cli_get_ea_list_fnum(struct cli_state *cli, int fnum,
1866                 TALLOC_CTX *ctx,
1867                 size_t *pnum_eas,
1868                 struct ea_struct **pea_list)
1869 {
1870         uint16 setup = TRANSACT2_QFILEINFO;
1871         char param[6];
1872
1873         memset(param, 0, 6);
1874         SSVAL(param,0,fnum);
1875         SSVAL(param,2,SMB_INFO_SET_EA);
1876
1877         return cli_get_ea_list(cli, setup, param, 6, ctx, pnum_eas, pea_list);
1878 }
1879
1880 /****************************************************************************
1881  Convert open "flags" arg to uint32 on wire.
1882 ****************************************************************************/
1883
1884 static uint32 open_flags_to_wire(int flags)
1885 {
1886         int open_mode = flags & O_ACCMODE;
1887         uint32 ret = 0;
1888
1889         switch (open_mode) {
1890                 case O_WRONLY:
1891                         ret |= SMB_O_WRONLY;
1892                         break;
1893                 case O_RDWR:
1894                         ret |= SMB_O_RDWR;
1895                         break;
1896                 default:
1897                 case O_RDONLY:
1898                         ret |= SMB_O_RDONLY;
1899                         break;
1900         }
1901
1902         if (flags & O_CREAT) {
1903                 ret |= SMB_O_CREAT;
1904         }
1905         if (flags & O_EXCL) {
1906                 ret |= SMB_O_EXCL;
1907         }
1908         if (flags & O_TRUNC) {
1909                 ret |= SMB_O_TRUNC;
1910         }
1911 #if defined(O_SYNC)
1912         if (flags & O_SYNC) {
1913                 ret |= SMB_O_SYNC;
1914         }
1915 #endif /* O_SYNC */
1916         if (flags & O_APPEND) {
1917                 ret |= SMB_O_APPEND;
1918         }
1919 #if defined(O_DIRECT)
1920         if (flags & O_DIRECT) {
1921                 ret |= SMB_O_DIRECT;
1922         }
1923 #endif
1924 #if defined(O_DIRECTORY)
1925         if (flags & O_DIRECTORY) {
1926                 ret &= ~(SMB_O_RDONLY|SMB_O_RDWR|SMB_O_WRONLY);
1927                 ret |= SMB_O_DIRECTORY;
1928         }
1929 #endif
1930         return ret;
1931 }
1932
1933 /****************************************************************************
1934  Open a file - POSIX semantics. Returns fnum. Doesn't request oplock.
1935 ****************************************************************************/
1936
1937 static int cli_posix_open_internal(struct cli_state *cli, const char *fname, int flags, mode_t mode, bool is_dir)
1938 {
1939         unsigned int data_len = 0;
1940         unsigned int param_len = 0;
1941         uint16 setup = TRANSACT2_SETPATHINFO;
1942         char *param;
1943         char data[18];
1944         char *rparam=NULL, *rdata=NULL;
1945         char *p;
1946         int fnum = -1;
1947         uint32 wire_flags = open_flags_to_wire(flags);
1948         size_t srclen = 2*(strlen(fname)+1);
1949
1950         param = SMB_MALLOC_ARRAY(char, 6+srclen+2);
1951         if (!param) {
1952                 return false;
1953         }
1954         memset(param, '\0', 6);
1955         SSVAL(param,0, SMB_POSIX_PATH_OPEN);
1956         p = &param[6];
1957
1958         p += clistr_push(cli, p, fname, srclen, STR_TERMINATE);
1959         param_len = PTR_DIFF(p, param);
1960
1961         if (is_dir) {
1962                 wire_flags &= ~(SMB_O_RDONLY|SMB_O_RDWR|SMB_O_WRONLY);
1963                 wire_flags |= SMB_O_DIRECTORY;
1964         }
1965
1966         p = data;
1967         SIVAL(p,0,0); /* No oplock. */
1968         SIVAL(p,4,wire_flags);
1969         SIVAL(p,8,unix_perms_to_wire(mode));
1970         SIVAL(p,12,0); /* Top bits of perms currently undefined. */
1971         SSVAL(p,16,SMB_NO_INFO_LEVEL_RETURNED); /* No info level returned. */
1972
1973         data_len = 18;
1974
1975         if (!cli_send_trans(cli, SMBtrans2,
1976                         NULL,                        /* name */
1977                         -1, 0,                          /* fid, flags */
1978                         &setup, 1, 0,                   /* setup, length, max */
1979                         param, param_len, 2,            /* param, length, max */
1980                         (char *)&data,  data_len, cli->max_xmit /* data, length, max */
1981                         )) {
1982                 SAFE_FREE(param);
1983                 return -1;
1984         }
1985
1986         SAFE_FREE(param);
1987
1988         if (!cli_receive_trans(cli, SMBtrans2,
1989                 &rparam, &param_len,
1990                 &rdata, &data_len)) {
1991                         return -1;
1992         }
1993
1994         fnum = SVAL(rdata,2);
1995
1996         SAFE_FREE(rdata);
1997         SAFE_FREE(rparam);
1998
1999         return fnum;
2000 }
2001
2002 /****************************************************************************
2003  open - POSIX semantics.
2004 ****************************************************************************/
2005
2006 int cli_posix_open(struct cli_state *cli, const char *fname, int flags, mode_t mode)
2007 {
2008         return cli_posix_open_internal(cli, fname, flags, mode, False);
2009 }
2010
2011 /****************************************************************************
2012  mkdir - POSIX semantics.
2013 ****************************************************************************/
2014
2015 int cli_posix_mkdir(struct cli_state *cli, const char *fname, mode_t mode)
2016 {
2017         return (cli_posix_open_internal(cli, fname, O_CREAT, mode, True) == -1) ? -1 : 0;
2018 }
2019
2020 /****************************************************************************
2021  unlink or rmdir - POSIX semantics.
2022 ****************************************************************************/
2023
2024 static bool cli_posix_unlink_internal(struct cli_state *cli, const char *fname, bool is_dir)
2025 {
2026         unsigned int data_len = 0;
2027         unsigned int param_len = 0;
2028         uint16 setup = TRANSACT2_SETPATHINFO;
2029         char *param;
2030         char data[2];
2031         char *rparam=NULL, *rdata=NULL;
2032         char *p;
2033         size_t srclen = 2*(strlen(fname)+1);
2034
2035         param = SMB_MALLOC_ARRAY(char, 6+srclen+2);
2036         if (!param) {
2037                 return false;
2038         }
2039         memset(param, '\0', 6);
2040         SSVAL(param,0, SMB_POSIX_PATH_UNLINK);
2041         p = &param[6];
2042
2043         p += clistr_push(cli, p, fname, srclen, STR_TERMINATE);
2044         param_len = PTR_DIFF(p, param);
2045
2046         SSVAL(data, 0, is_dir ? SMB_POSIX_UNLINK_DIRECTORY_TARGET :
2047                         SMB_POSIX_UNLINK_FILE_TARGET);
2048         data_len = 2;
2049
2050         if (!cli_send_trans(cli, SMBtrans2,
2051                         NULL,                        /* name */
2052                         -1, 0,                          /* fid, flags */
2053                         &setup, 1, 0,                   /* setup, length, max */
2054                         param, param_len, 2,            /* param, length, max */
2055                         (char *)&data,  data_len, cli->max_xmit /* data, length, max */
2056                         )) {
2057                 SAFE_FREE(param);
2058                 return False;
2059         }
2060
2061         SAFE_FREE(param);
2062
2063         if (!cli_receive_trans(cli, SMBtrans2,
2064                 &rparam, &param_len,
2065                 &rdata, &data_len)) {
2066                         return False;
2067         }
2068
2069         SAFE_FREE(rdata);
2070         SAFE_FREE(rparam);
2071
2072         return True;
2073 }
2074
2075 /****************************************************************************
2076  unlink - POSIX semantics.
2077 ****************************************************************************/
2078
2079 bool cli_posix_unlink(struct cli_state *cli, const char *fname)
2080 {
2081         return cli_posix_unlink_internal(cli, fname, False);
2082 }
2083
2084 /****************************************************************************
2085  rmdir - POSIX semantics.
2086 ****************************************************************************/
2087
2088 int cli_posix_rmdir(struct cli_state *cli, const char *fname)
2089 {
2090         return cli_posix_unlink_internal(cli, fname, True);
2091 }