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                         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 SecurityFlags)
 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, SecurityFlags);
 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 uint8_t *smb_bytes_push_str(uint8_t *buf, bool ucs2,
 785                             const char *str, size_t str_len,
 786                             size_t *pconverted_size)
 787 {
 788         size_t buflen;
 789         char *converted;
 790         size_t converted_size;
 791
 792         if (buf == NULL) {
 793                 return NULL;
 794         }
 795
 796         buflen = talloc_get_size(buf);
 797         /*
 798          * We're pushing into an SMB buffer, align odd
 799          */
 800         if (ucs2 && (buflen % 2 == 0)) {
 801                 buf = TALLOC_REALLOC_ARRAY(NULL, buf, uint8_t, buflen + 1);
 802                 if (buf == NULL) {
 803                         return NULL;
 804                 }
 805                 buf[buflen] = '\0';
 806                 buflen += 1;
 807         }
 808
 809         if (!convert_string_allocate(talloc_tos(), CH_UNIX,
 810                                      ucs2 ? CH_UTF16LE : CH_DOS,
 811                                      str, str_len, &converted,
 812                                      &converted_size, true)) {
 813                 return NULL;
 814         }
 815
 816         buf = TALLOC_REALLOC_ARRAY(NULL, buf, uint8_t,
 817                                    buflen + converted_size);
 818         if (buf == NULL) {
 819                 TALLOC_FREE(converted);
 820                 return NULL;
 821         }
 822
 823         memcpy(buf + buflen, converted, converted_size);
 824
 825         TALLOC_FREE(converted);
 826
 827         if (pconverted_size) {
 828                 *pconverted_size = converted_size;
 829         }
 830
 831         return buf;
 832 }
 833
 834 /****************************************************************************
 835  Open a file
 836  WARNING: if you open with O_WRONLY then getattrE won't work!
 837 ****************************************************************************/
 838
 839 struct async_req *cli_open_send(TALLOC_CTX *mem_ctx, struct event_context *ev,
 840                                 struct cli_state *cli,
 841                                 const char *fname, int flags, int share_mode)
 842 {
 843         unsigned openfn = 0;
 844         unsigned accessmode = 0;
 845         uint8_t additional_flags = 0;
 846         uint8_t *bytes;
 847         uint16_t vwv[15];
 848         struct async_req *result;
 849
 850         if (flags & O_CREAT) {
 851                 openfn |= (1<<4);
 852         }
 853         if (!(flags & O_EXCL)) {
 854                 if (flags & O_TRUNC)
 855                         openfn |= (1<<1);
 856                 else
 857                         openfn |= (1<<0);
 858         }
 859
 860         accessmode = (share_mode<<4);
 861
 862         if ((flags & O_ACCMODE) == O_RDWR) {
 863                 accessmode |= 2;
 864         } else if ((flags & O_ACCMODE) == O_WRONLY) {
 865                 accessmode |= 1;
 866         }
 867
 868 #if defined(O_SYNC)
 869         if ((flags & O_SYNC) == O_SYNC) {
 870                 accessmode |= (1<<14);
 871         }
 872 #endif /* O_SYNC */
 873
 874         if (share_mode == DENY_FCB) {
 875                 accessmode = 0xFF;
 876         }
 877
 878         SCVAL(vwv + 0, 0, 0xFF);
 879         SCVAL(vwv + 0, 1, 0);
 880         SSVAL(vwv + 1, 0, 0);
 881         SSVAL(vwv + 2, 0, 0);  /* no additional info */
 882         SSVAL(vwv + 3, 0, accessmode);
 883         SSVAL(vwv + 4, 0, aSYSTEM | aHIDDEN);
 884         SSVAL(vwv + 5, 0, 0);
 885         SIVAL(vwv + 6, 0, 0);
 886         SSVAL(vwv + 8, 0, openfn);
 887         SIVAL(vwv + 9, 0, 0);
 888         SIVAL(vwv + 11, 0, 0);
 889         SIVAL(vwv + 13, 0, 0);
 890
 891         if (cli->use_oplocks) {
 892                 /* if using oplocks then ask for a batch oplock via
 893                    core and extended methods */
 894                 additional_flags =
 895                         FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK;
 896                 SSVAL(vwv+2, 0, SVAL(vwv+2, 0) | 6);
 897         }
 898
 899         bytes = talloc_array(talloc_tos(), uint8_t, 0);
 900         bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), fname,
 901                                    strlen(fname)+1, NULL);
 902         if (bytes == NULL) {
 903                 return NULL;
 904         }
 905
 906         result = cli_request_send(mem_ctx, ev, cli, SMBopenX, additional_flags,
 907                                   15, vwv, 0, talloc_get_size(bytes), bytes);
 908         TALLOC_FREE(bytes);
 909         return result;
 910 }
 911
 912 NTSTATUS cli_open_recv(struct async_req *req, int *fnum)
 913 {
 914         uint8_t wct;
 915         uint16_t *vwv;
 916         uint16_t num_bytes;
 917         uint8_t *bytes;
 918         NTSTATUS status;
 919
 920         if (async_req_is_error(req, &status)) {
 921                 return status;
 922         }
 923
 924         status = cli_pull_reply(req, &wct, &vwv, &num_bytes, &bytes);
 925         if (!NT_STATUS_IS_OK(status)) {
 926                 return status;
 927         }
 928
 929         if (wct < 3) {
 930                 return NT_STATUS_INVALID_NETWORK_RESPONSE;
 931         }
 932
 933         *fnum = SVAL(vwv+2, 0);
 934
 935         return NT_STATUS_OK;
 936 }
 937
 938 int cli_open(struct cli_state *cli, const char *fname, int flags,
 939              int share_mode)
 940 {
 941         TALLOC_CTX *frame = talloc_stackframe();
 942         struct event_context *ev;
 943         struct async_req *req;
 944         int result = -1;
 945
 946         if (cli->fd_event != NULL) {
 947                 /*
 948                  * Can't use sync call while an async call is in flight
 949                  */
 950                 cli_set_error(cli, NT_STATUS_INVALID_PARAMETER);
 951                 goto fail;
 952         }
 953
 954         ev = event_context_init(frame);
 955         if (ev == NULL) {
 956                 goto fail;
 957         }
 958
 959         req = cli_open_send(frame, ev, cli, fname, flags, share_mode);
 960         if (req == NULL) {
 961                 goto fail;
 962         }
 963
 964         while (req->state < ASYNC_REQ_DONE) {
 965                 event_loop_once(ev);
 966         }
 967
 968         cli_open_recv(req, &result);
 969  fail:
 970         TALLOC_FREE(frame);
 971         return result;
 972 }
 973
 974 /****************************************************************************
 975  Close a file.
 976 ****************************************************************************/
 977
 978 struct async_req *cli_close_send(TALLOC_CTX *mem_ctx, struct event_context *ev,
 979                                  struct cli_state *cli, int fnum)
 980 {
 981         uint16_t vwv[3];
 982
 983         SSVAL(vwv+0, 0, fnum);
 984         SIVALS(vwv+1, 0, -1);
 985
 986         return cli_request_send(mem_ctx, ev, cli, SMBclose, 0, 3, vwv, 0,
 987                                 0, NULL);
 988 }
 989
 990 NTSTATUS cli_close_recv(struct async_req *req)
 991 {
 992         uint8_t wct;
 993         uint16_t *vwv;
 994         uint16_t num_bytes;
 995         uint8_t *bytes;
 996         NTSTATUS status;
 997
 998         if (async_req_is_error(req, &status)) {
 999                 return status;
1000         }
1001
1002         return cli_pull_reply(req, &wct, &vwv, &num_bytes, &bytes);
1003 }
1004
1005 bool cli_close(struct cli_state *cli, int fnum)
1006 {
1007         TALLOC_CTX *frame = talloc_stackframe();
1008         struct event_context *ev;
1009         struct async_req *req;
1010         bool result = false;
1011
1012         if (cli->fd_event != NULL) {
1013                 /*
1014                  * Can't use sync call while an async call is in flight
1015                  */
1016                 cli_set_error(cli, NT_STATUS_INVALID_PARAMETER);
1017                 goto fail;
1018         }
1019
1020         ev = event_context_init(frame);
1021         if (ev == NULL) {
1022                 goto fail;
1023         }
1024
1025         req = cli_close_send(frame, ev, cli, fnum);
1026         if (req == NULL) {
1027                 goto fail;
1028         }
1029
1030         while (req->state < ASYNC_REQ_DONE) {
1031                 event_loop_once(ev);
1032         }
1033
1034         result = NT_STATUS_IS_OK(cli_close_recv(req));
1035  fail:
1036         TALLOC_FREE(frame);
1037         return result;
1038 }
1039
1040 /****************************************************************************
1041  Truncate a file to a specified size
1042 ****************************************************************************/
1043
1044 bool cli_ftruncate(struct cli_state *cli, int fnum, uint64_t size)
1045 {
1046         unsigned int param_len = 6;
1047         unsigned int data_len = 8;
1048         uint16 setup = TRANSACT2_SETFILEINFO;
1049         char param[6];
1050         unsigned char data[8];
1051         char *rparam=NULL, *rdata=NULL;
1052         int saved_timeout = cli->timeout;
1053
1054         SSVAL(param,0,fnum);
1055         SSVAL(param,2,SMB_SET_FILE_END_OF_FILE_INFO);
1056         SSVAL(param,4,0);
1057
1058         SBVAL(data, 0, size);
1059
1060         if (!cli_send_trans(cli, SMBtrans2,
1061                             NULL,                    /* name */
1062                             -1, 0,                   /* fid, flags */
1063                             &setup, 1, 0,            /* setup, length, max */
1064                             param, param_len, 2,     /* param, length, max */
1065                             (char *)&data,  data_len,/* data, length, ... */
1066                             cli->max_xmit)) {        /* ... max */
1067                 cli->timeout = saved_timeout;
1068                 return False;
1069         }
1070
1071         if (!cli_receive_trans(cli, SMBtrans2,
1072                                 &rparam, &param_len,
1073                                 &rdata, &data_len)) {
1074                 cli->timeout = saved_timeout;
1075                 SAFE_FREE(rdata);
1076                 SAFE_FREE(rparam);
1077                 return False;
1078         }
1079
1080         cli->timeout = saved_timeout;
1081
1082         SAFE_FREE(rdata);
1083         SAFE_FREE(rparam);
1084
1085         return True;
1086 }
1087
1088
1089 /****************************************************************************
1090  send a lock with a specified locktype
1091  this is used for testing LOCKING_ANDX_CANCEL_LOCK
1092 ****************************************************************************/
1093
1094 NTSTATUS cli_locktype(struct cli_state *cli, int fnum,
1095                       uint32 offset, uint32 len,
1096                       int timeout, unsigned char locktype)
1097 {
1098         char *p;
1099         int saved_timeout = cli->timeout;
1100
1101         memset(cli->outbuf,'\0',smb_size);
1102         memset(cli->inbuf,'\0', smb_size);
1103
1104         cli_set_message(cli->outbuf,8,0,True);
1105
1106         SCVAL(cli->outbuf,smb_com,SMBlockingX);
1107         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1108         cli_setup_packet(cli);
1109
1110         SCVAL(cli->outbuf,smb_vwv0,0xFF);
1111         SSVAL(cli->outbuf,smb_vwv2,fnum);
1112         SCVAL(cli->outbuf,smb_vwv3,locktype);
1113         SIVALS(cli->outbuf, smb_vwv4, timeout);
1114         SSVAL(cli->outbuf,smb_vwv6,0);
1115         SSVAL(cli->outbuf,smb_vwv7,1);
1116
1117         p = smb_buf(cli->outbuf);
1118         SSVAL(p, 0, cli->pid);
1119         SIVAL(p, 2, offset);
1120         SIVAL(p, 6, len);
1121
1122         p += 10;
1123
1124         cli_setup_bcc(cli, p);
1125
1126         cli_send_smb(cli);
1127
1128         if (timeout != 0) {
1129                 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 2*1000);
1130         }
1131
1132         if (!cli_receive_smb(cli)) {
1133                 cli->timeout = saved_timeout;
1134                 return NT_STATUS_UNSUCCESSFUL;
1135         }
1136
1137         cli->timeout = saved_timeout;
1138
1139         return cli_nt_error(cli);
1140 }
1141
1142 /****************************************************************************
1143  Lock a file.
1144  note that timeout is in units of 2 milliseconds
1145 ****************************************************************************/
1146
1147 bool cli_lock(struct cli_state *cli, int fnum,
1148               uint32 offset, uint32 len, int timeout, enum brl_type lock_type)
1149 {
1150         char *p;
1151         int saved_timeout = cli->timeout;
1152
1153         memset(cli->outbuf,'\0',smb_size);
1154         memset(cli->inbuf,'\0', smb_size);
1155
1156         cli_set_message(cli->outbuf,8,0,True);
1157
1158         SCVAL(cli->outbuf,smb_com,SMBlockingX);
1159         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1160         cli_setup_packet(cli);
1161
1162         SCVAL(cli->outbuf,smb_vwv0,0xFF);
1163         SSVAL(cli->outbuf,smb_vwv2,fnum);
1164         SCVAL(cli->outbuf,smb_vwv3,(lock_type == READ_LOCK? 1 : 0));
1165         SIVALS(cli->outbuf, smb_vwv4, timeout);
1166         SSVAL(cli->outbuf,smb_vwv6,0);
1167         SSVAL(cli->outbuf,smb_vwv7,1);
1168
1169         p = smb_buf(cli->outbuf);
1170         SSVAL(p, 0, cli->pid);
1171         SIVAL(p, 2, offset);
1172         SIVAL(p, 6, len);
1173
1174         p += 10;
1175
1176         cli_setup_bcc(cli, p);
1177
1178         cli_send_smb(cli);
1179
1180         if (timeout != 0) {
1181                 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout*2 + 5*1000);
1182         }
1183
1184         if (!cli_receive_smb(cli)) {
1185                 cli->timeout = saved_timeout;
1186                 return False;
1187         }
1188
1189         cli->timeout = saved_timeout;
1190
1191         if (cli_is_error(cli)) {
1192                 return False;
1193         }
1194
1195         return True;
1196 }
1197
1198 /****************************************************************************
1199  Unlock a file.
1200 ****************************************************************************/
1201
1202 bool cli_unlock(struct cli_state *cli, int fnum, uint32 offset, uint32 len)
1203 {
1204         char *p;
1205
1206         memset(cli->outbuf,'\0',smb_size);
1207         memset(cli->inbuf,'\0',smb_size);
1208
1209         cli_set_message(cli->outbuf,8,0,True);
1210
1211         SCVAL(cli->outbuf,smb_com,SMBlockingX);
1212         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1213         cli_setup_packet(cli);
1214
1215         SCVAL(cli->outbuf,smb_vwv0,0xFF);
1216         SSVAL(cli->outbuf,smb_vwv2,fnum);
1217         SCVAL(cli->outbuf,smb_vwv3,0);
1218         SIVALS(cli->outbuf, smb_vwv4, 0);
1219         SSVAL(cli->outbuf,smb_vwv6,1);
1220         SSVAL(cli->outbuf,smb_vwv7,0);
1221
1222         p = smb_buf(cli->outbuf);
1223         SSVAL(p, 0, cli->pid);
1224         SIVAL(p, 2, offset);
1225         SIVAL(p, 6, len);
1226         p += 10;
1227         cli_setup_bcc(cli, p);
1228         cli_send_smb(cli);
1229         if (!cli_receive_smb(cli)) {
1230                 return False;
1231         }
1232
1233         if (cli_is_error(cli)) {
1234                 return False;
1235         }
1236
1237         return True;
1238 }
1239
1240 /****************************************************************************
1241  Lock a file with 64 bit offsets.
1242 ****************************************************************************/
1243
1244 bool cli_lock64(struct cli_state *cli, int fnum,
1245                 uint64_t offset, uint64_t len, int timeout, enum brl_type lock_type)
1246 {
1247         char *p;
1248         int saved_timeout = cli->timeout;
1249         int ltype;
1250
1251         if (! (cli->capabilities & CAP_LARGE_FILES)) {
1252                 return cli_lock(cli, fnum, offset, len, timeout, lock_type);
1253         }
1254
1255         ltype = (lock_type == READ_LOCK? 1 : 0);
1256         ltype |= LOCKING_ANDX_LARGE_FILES;
1257
1258         memset(cli->outbuf,'\0',smb_size);
1259         memset(cli->inbuf,'\0', smb_size);
1260
1261         cli_set_message(cli->outbuf,8,0,True);
1262
1263         SCVAL(cli->outbuf,smb_com,SMBlockingX);
1264         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1265         cli_setup_packet(cli);
1266
1267         SCVAL(cli->outbuf,smb_vwv0,0xFF);
1268         SSVAL(cli->outbuf,smb_vwv2,fnum);
1269         SCVAL(cli->outbuf,smb_vwv3,ltype);
1270         SIVALS(cli->outbuf, smb_vwv4, timeout);
1271         SSVAL(cli->outbuf,smb_vwv6,0);
1272         SSVAL(cli->outbuf,smb_vwv7,1);
1273
1274         p = smb_buf(cli->outbuf);
1275         SIVAL(p, 0, cli->pid);
1276         SOFF_T_R(p, 4, offset);
1277         SOFF_T_R(p, 12, len);
1278         p += 20;
1279
1280         cli_setup_bcc(cli, p);
1281         cli_send_smb(cli);
1282
1283         if (timeout != 0) {
1284                 cli->timeout = (timeout == -1) ? 0x7FFFFFFF : (timeout + 5*1000);
1285         }
1286
1287         if (!cli_receive_smb(cli)) {
1288                 cli->timeout = saved_timeout;
1289                 return False;
1290         }
1291
1292         cli->timeout = saved_timeout;
1293
1294         if (cli_is_error(cli)) {
1295                 return False;
1296         }
1297
1298         return True;
1299 }
1300
1301 /****************************************************************************
1302  Unlock a file with 64 bit offsets.
1303 ****************************************************************************/
1304
1305 bool cli_unlock64(struct cli_state *cli, int fnum, uint64_t offset, uint64_t len)
1306 {
1307         char *p;
1308
1309         if (! (cli->capabilities & CAP_LARGE_FILES)) {
1310                 return cli_unlock(cli, fnum, offset, len);
1311         }
1312
1313         memset(cli->outbuf,'\0',smb_size);
1314         memset(cli->inbuf,'\0',smb_size);
1315
1316         cli_set_message(cli->outbuf,8,0,True);
1317
1318         SCVAL(cli->outbuf,smb_com,SMBlockingX);
1319         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1320         cli_setup_packet(cli);
1321
1322         SCVAL(cli->outbuf,smb_vwv0,0xFF);
1323         SSVAL(cli->outbuf,smb_vwv2,fnum);
1324         SCVAL(cli->outbuf,smb_vwv3,LOCKING_ANDX_LARGE_FILES);
1325         SIVALS(cli->outbuf, smb_vwv4, 0);
1326         SSVAL(cli->outbuf,smb_vwv6,1);
1327         SSVAL(cli->outbuf,smb_vwv7,0);
1328
1329         p = smb_buf(cli->outbuf);
1330         SIVAL(p, 0, cli->pid);
1331         SOFF_T_R(p, 4, offset);
1332         SOFF_T_R(p, 12, len);
1333         p += 20;
1334         cli_setup_bcc(cli, p);
1335         cli_send_smb(cli);
1336         if (!cli_receive_smb(cli)) {
1337                 return False;
1338         }
1339
1340         if (cli_is_error(cli)) {
1341                 return False;
1342         }
1343
1344         return True;
1345 }
1346
1347 /****************************************************************************
1348  Get/unlock a POSIX lock on a file - internal function.
1349 ****************************************************************************/
1350
1351 static bool cli_posix_lock_internal(struct cli_state *cli, int fnum,
1352                 uint64_t offset, uint64_t len, bool wait_lock, enum brl_type lock_type)
1353 {
1354         unsigned int param_len = 4;
1355         unsigned int data_len = POSIX_LOCK_DATA_SIZE;
1356         uint16 setup = TRANSACT2_SETFILEINFO;
1357         char param[4];
1358         unsigned char data[POSIX_LOCK_DATA_SIZE];
1359         char *rparam=NULL, *rdata=NULL;
1360         int saved_timeout = cli->timeout;
1361
1362         SSVAL(param,0,fnum);
1363         SSVAL(param,2,SMB_SET_POSIX_LOCK);
1364
1365         switch (lock_type) {
1366                 case READ_LOCK:
1367                         SSVAL(data, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_READ);
1368                         break;
1369                 case WRITE_LOCK:
1370                         SSVAL(data, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_WRITE);
1371                         break;
1372                 case UNLOCK_LOCK:
1373                         SSVAL(data, POSIX_LOCK_TYPE_OFFSET, POSIX_LOCK_TYPE_UNLOCK);
1374                         break;
1375                 default:
1376                         return False;
1377         }
1378
1379         if (wait_lock) {
1380                 SSVAL(data, POSIX_LOCK_FLAGS_OFFSET, POSIX_LOCK_FLAG_WAIT);
1381                 cli->timeout = 0x7FFFFFFF;
1382         } else {
1383                 SSVAL(data, POSIX_LOCK_FLAGS_OFFSET, POSIX_LOCK_FLAG_NOWAIT);
1384         }
1385
1386         SIVAL(data, POSIX_LOCK_PID_OFFSET, cli->pid);
1387         SOFF_T(data, POSIX_LOCK_START_OFFSET, offset);
1388         SOFF_T(data, POSIX_LOCK_LEN_OFFSET, len);
1389
1390         if (!cli_send_trans(cli, SMBtrans2,
1391                         NULL,                        /* name */
1392                         -1, 0,                          /* fid, flags */
1393                         &setup, 1, 0,                   /* setup, length, max */
1394                         param, param_len, 2,            /* param, length, max */
1395                         (char *)&data,  data_len, cli->max_xmit /* data, length, max */
1396                         )) {
1397                 cli->timeout = saved_timeout;
1398                 return False;
1399         }
1400
1401         if (!cli_receive_trans(cli, SMBtrans2,
1402                                 &rparam, &param_len,
1403                                 &rdata, &data_len)) {
1404                 cli->timeout = saved_timeout;
1405                 SAFE_FREE(rdata);
1406                 SAFE_FREE(rparam);
1407                 return False;
1408         }
1409
1410         cli->timeout = saved_timeout;
1411
1412         SAFE_FREE(rdata);
1413         SAFE_FREE(rparam);
1414
1415         return True;
1416 }
1417
1418 /****************************************************************************
1419  POSIX Lock a file.
1420 ****************************************************************************/
1421
1422 bool cli_posix_lock(struct cli_state *cli, int fnum,
1423                         uint64_t offset, uint64_t len,
1424                         bool wait_lock, enum brl_type lock_type)
1425 {
1426         if (lock_type != READ_LOCK && lock_type != WRITE_LOCK) {
1427                 return False;
1428         }
1429         return cli_posix_lock_internal(cli, fnum, offset, len, wait_lock, lock_type);
1430 }
1431
1432 /****************************************************************************
1433  POSIX Unlock a file.
1434 ****************************************************************************/
1435
1436 bool cli_posix_unlock(struct cli_state *cli, int fnum, uint64_t offset, uint64_t len)
1437 {
1438         return cli_posix_lock_internal(cli, fnum, offset, len, False, UNLOCK_LOCK);
1439 }
1440
1441 /****************************************************************************
1442  POSIX Get any lock covering a file.
1443 ****************************************************************************/
1444
1445 bool cli_posix_getlock(struct cli_state *cli, int fnum, uint64_t *poffset, uint64_t *plen)
1446 {
1447         return True;
1448 }
1449
1450 /****************************************************************************
1451  Do a SMBgetattrE call.
1452 ****************************************************************************/
1453
1454 bool cli_getattrE(struct cli_state *cli, int fd,
1455                   uint16 *attr, SMB_OFF_T *size,
1456                   time_t *change_time,
1457                   time_t *access_time,
1458                   time_t *write_time)
1459 {
1460         memset(cli->outbuf,'\0',smb_size);
1461         memset(cli->inbuf,'\0',smb_size);
1462
1463         cli_set_message(cli->outbuf,1,0,True);
1464
1465         SCVAL(cli->outbuf,smb_com,SMBgetattrE);
1466         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1467         cli_setup_packet(cli);
1468
1469         SSVAL(cli->outbuf,smb_vwv0,fd);
1470
1471         cli_send_smb(cli);
1472         if (!cli_receive_smb(cli)) {
1473                 return False;
1474         }
1475
1476         if (cli_is_error(cli)) {
1477                 return False;
1478         }
1479
1480         if (size) {
1481                 *size = IVAL(cli->inbuf, smb_vwv6);
1482         }
1483
1484         if (attr) {
1485                 *attr = SVAL(cli->inbuf,smb_vwv10);
1486         }
1487
1488         if (change_time) {
1489                 *change_time = cli_make_unix_date2(cli, cli->inbuf+smb_vwv0);
1490         }
1491
1492         if (access_time) {
1493                 *access_time = cli_make_unix_date2(cli, cli->inbuf+smb_vwv2);
1494         }
1495
1496         if (write_time) {
1497                 *write_time = cli_make_unix_date2(cli, cli->inbuf+smb_vwv4);
1498         }
1499
1500         return True;
1501 }
1502
1503 /****************************************************************************
1504  Do a SMBgetatr call
1505 ****************************************************************************/
1506
1507 bool cli_getatr(struct cli_state *cli, const char *fname,
1508                 uint16 *attr, SMB_OFF_T *size, time_t *write_time)
1509 {
1510         char *p;
1511
1512         memset(cli->outbuf,'\0',smb_size);
1513         memset(cli->inbuf,'\0',smb_size);
1514
1515         cli_set_message(cli->outbuf,0,0,True);
1516
1517         SCVAL(cli->outbuf,smb_com,SMBgetatr);
1518         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1519         cli_setup_packet(cli);
1520
1521         p = smb_buf(cli->outbuf);
1522         *p++ = 4;
1523         p += clistr_push(cli, p, fname,
1524                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
1525
1526         cli_setup_bcc(cli, p);
1527
1528         cli_send_smb(cli);
1529         if (!cli_receive_smb(cli)) {
1530                 return False;
1531         }
1532
1533         if (cli_is_error(cli)) {
1534                 return False;
1535         }
1536
1537         if (size) {
1538                 *size = IVAL(cli->inbuf, smb_vwv3);
1539         }
1540
1541         if (write_time) {
1542                 *write_time = cli_make_unix_date3(cli, cli->inbuf+smb_vwv1);
1543         }
1544
1545         if (attr) {
1546                 *attr = SVAL(cli->inbuf,smb_vwv0);
1547         }
1548
1549         return True;
1550 }
1551
1552 /****************************************************************************
1553  Do a SMBsetattrE call.
1554 ****************************************************************************/
1555
1556 bool cli_setattrE(struct cli_state *cli, int fd,
1557                   time_t change_time,
1558                   time_t access_time,
1559                   time_t write_time)
1560
1561 {
1562         char *p;
1563
1564         memset(cli->outbuf,'\0',smb_size);
1565         memset(cli->inbuf,'\0',smb_size);
1566
1567         cli_set_message(cli->outbuf,7,0,True);
1568
1569         SCVAL(cli->outbuf,smb_com,SMBsetattrE);
1570         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1571         cli_setup_packet(cli);
1572
1573         SSVAL(cli->outbuf,smb_vwv0, fd);
1574         cli_put_dos_date2(cli, cli->outbuf,smb_vwv1, change_time);
1575         cli_put_dos_date2(cli, cli->outbuf,smb_vwv3, access_time);
1576         cli_put_dos_date2(cli, cli->outbuf,smb_vwv5, write_time);
1577
1578         p = smb_buf(cli->outbuf);
1579         *p++ = 4;
1580
1581         cli_setup_bcc(cli, p);
1582
1583         cli_send_smb(cli);
1584         if (!cli_receive_smb(cli)) {
1585                 return False;
1586         }
1587
1588         if (cli_is_error(cli)) {
1589                 return False;
1590         }
1591
1592         return True;
1593 }
1594
1595 /****************************************************************************
1596  Do a SMBsetatr call.
1597 ****************************************************************************/
1598
1599 bool cli_setatr(struct cli_state *cli, const char *fname, uint16 attr, time_t t)
1600 {
1601         char *p;
1602
1603         memset(cli->outbuf,'\0',smb_size);
1604         memset(cli->inbuf,'\0',smb_size);
1605
1606         cli_set_message(cli->outbuf,8,0,True);
1607
1608         SCVAL(cli->outbuf,smb_com,SMBsetatr);
1609         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1610         cli_setup_packet(cli);
1611
1612         SSVAL(cli->outbuf,smb_vwv0, attr);
1613         cli_put_dos_date3(cli, cli->outbuf,smb_vwv1, t);
1614
1615         p = smb_buf(cli->outbuf);
1616         *p++ = 4;
1617         p += clistr_push(cli, p, fname,
1618                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
1619         *p++ = 4;
1620
1621         cli_setup_bcc(cli, p);
1622
1623         cli_send_smb(cli);
1624         if (!cli_receive_smb(cli)) {
1625                 return False;
1626         }
1627
1628         if (cli_is_error(cli)) {
1629                 return False;
1630         }
1631
1632         return True;
1633 }
1634
1635 /****************************************************************************
1636  Check for existance of a dir.
1637 ****************************************************************************/
1638
1639 bool cli_chkpath(struct cli_state *cli, const char *path)
1640 {
1641         char *path2 = NULL;
1642         char *p;
1643         TALLOC_CTX *frame = talloc_stackframe();
1644
1645         path2 = talloc_strdup(frame, path);
1646         if (!path2) {
1647                 TALLOC_FREE(frame);
1648                 return false;
1649         }
1650         trim_char(path2,'\0','\\');
1651         if (!*path2) {
1652                 path2 = talloc_strdup(frame, "\\");
1653                 if (!path2) {
1654                         TALLOC_FREE(frame);
1655                         return false;
1656                 }
1657         }
1658
1659         memset(cli->outbuf,'\0',smb_size);
1660         cli_set_message(cli->outbuf,0,0,True);
1661         SCVAL(cli->outbuf,smb_com,SMBcheckpath);
1662         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1663         cli_setup_packet(cli);
1664         p = smb_buf(cli->outbuf);
1665         *p++ = 4;
1666         p += clistr_push(cli, p, path2,
1667                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
1668
1669         cli_setup_bcc(cli, p);
1670
1671         cli_send_smb(cli);
1672         if (!cli_receive_smb(cli)) {
1673                 TALLOC_FREE(frame);
1674                 return False;
1675         }
1676
1677         TALLOC_FREE(frame);
1678
1679         if (cli_is_error(cli)) return False;
1680
1681         return True;
1682 }
1683
1684 /****************************************************************************
1685  Query disk space.
1686 ****************************************************************************/
1687
1688 bool cli_dskattr(struct cli_state *cli, int *bsize, int *total, int *avail)
1689 {
1690         memset(cli->outbuf,'\0',smb_size);
1691         cli_set_message(cli->outbuf,0,0,True);
1692         SCVAL(cli->outbuf,smb_com,SMBdskattr);
1693         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1694         cli_setup_packet(cli);
1695
1696         cli_send_smb(cli);
1697         if (!cli_receive_smb(cli)) {
1698                 return False;
1699         }
1700
1701         *bsize = SVAL(cli->inbuf,smb_vwv1)*SVAL(cli->inbuf,smb_vwv2);
1702         *total = SVAL(cli->inbuf,smb_vwv0);
1703         *avail = SVAL(cli->inbuf,smb_vwv3);
1704
1705         return True;
1706 }
1707
1708 /****************************************************************************
1709  Create and open a temporary file.
1710 ****************************************************************************/
1711
1712 int cli_ctemp(struct cli_state *cli, const char *path, char **tmp_path)
1713 {
1714         int len;
1715         char *p;
1716
1717         memset(cli->outbuf,'\0',smb_size);
1718         memset(cli->inbuf,'\0',smb_size);
1719
1720         cli_set_message(cli->outbuf,3,0,True);
1721
1722         SCVAL(cli->outbuf,smb_com,SMBctemp);
1723         SSVAL(cli->outbuf,smb_tid,cli->cnum);
1724         cli_setup_packet(cli);
1725
1726         SSVAL(cli->outbuf,smb_vwv0,0);
1727         SIVALS(cli->outbuf,smb_vwv1,-1);
1728
1729         p = smb_buf(cli->outbuf);
1730         *p++ = 4;
1731         p += clistr_push(cli, p, path,
1732                         cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
1733
1734         cli_setup_bcc(cli, p);
1735
1736         cli_send_smb(cli);
1737         if (!cli_receive_smb(cli)) {
1738                 return -1;
1739         }
1740
1741         if (cli_is_error(cli)) {
1742                 return -1;
1743         }
1744
1745         /* despite the spec, the result has a -1, followed by
1746            length, followed by name */
1747         p = smb_buf(cli->inbuf);
1748         p += 4;
1749         len = smb_buflen(cli->inbuf) - 4;
1750         if (len <= 0 || len > PATH_MAX) return -1;
1751
1752         if (tmp_path) {
1753                 char *path2 = SMB_MALLOC_ARRAY(char, len+1);
1754                 if (!path2) {
1755                         return -1;
1756                 }
1757                 clistr_pull(cli->inbuf, path2, p,
1758                             len+1, len, STR_ASCII);
1759                 *tmp_path = path2;
1760         }
1761
1762         return SVAL(cli->inbuf,smb_vwv0);
1763 }
1764
1765 /*
1766    send a raw ioctl - used by the torture code
1767 */
1768 NTSTATUS cli_raw_ioctl(struct cli_state *cli, int fnum, uint32 code, DATA_BLOB *blob)
1769 {
1770         memset(cli->outbuf,'\0',smb_size);
1771         memset(cli->inbuf,'\0',smb_size);
1772
1773         cli_set_message(cli->outbuf, 3, 0, True);
1774         SCVAL(cli->outbuf,smb_com,SMBioctl);
1775         cli_setup_packet(cli);
1776
1777         SSVAL(cli->outbuf, smb_vwv0, fnum);
1778         SSVAL(cli->outbuf, smb_vwv1, code>>16);
1779         SSVAL(cli->outbuf, smb_vwv2, (code&0xFFFF));
1780
1781         cli_send_smb(cli);
1782         if (!cli_receive_smb(cli)) {
1783                 return NT_STATUS_UNEXPECTED_NETWORK_ERROR;
1784         }
1785
1786         if (cli_is_error(cli)) {
1787                 return cli_nt_error(cli);
1788         }
1789
1790         *blob = data_blob_null;
1791
1792         return NT_STATUS_OK;
1793 }
1794
1795 /*********************************************************
1796  Set an extended attribute utility fn.
1797 *********************************************************/
1798
1799 static bool cli_set_ea(struct cli_state *cli, uint16 setup, char *param, unsigned int param_len,
1800                         const char *ea_name, const char *ea_val, size_t ea_len)
1801 {
1802         unsigned int data_len = 0;
1803         char *data = NULL;
1804         char *rparam=NULL, *rdata=NULL;
1805         char *p;
1806         size_t ea_namelen = strlen(ea_name);
1807
1808         if (ea_namelen == 0 && ea_len == 0) {
1809                 data_len = 4;
1810                 data = (char *)SMB_MALLOC(data_len);
1811                 if (!data) {
1812                         return False;
1813                 }
1814                 p = data;
1815                 SIVAL(p,0,data_len);
1816         } else {
1817                 data_len = 4 + 4 + ea_namelen + 1 + ea_len;
1818                 data = (char *)SMB_MALLOC(data_len);
1819                 if (!data) {
1820                         return False;
1821                 }
1822                 p = data;
1823                 SIVAL(p,0,data_len);
1824                 p += 4;
1825                 SCVAL(p, 0, 0); /* EA flags. */
1826                 SCVAL(p, 1, ea_namelen);
1827                 SSVAL(p, 2, ea_len);
1828                 memcpy(p+4, ea_name, ea_namelen+1); /* Copy in the name. */
1829                 memcpy(p+4+ea_namelen+1, ea_val, ea_len);
1830         }
1831
1832         if (!cli_send_trans(cli, SMBtrans2,
1833                         NULL,                        /* name */
1834                         -1, 0,                          /* fid, flags */
1835                         &setup, 1, 0,                   /* setup, length, max */
1836                         param, param_len, 2,            /* param, length, max */
1837                         data,  data_len, cli->max_xmit /* data, length, max */
1838                         )) {
1839                 SAFE_FREE(data);
1840                 return False;
1841         }
1842
1843         if (!cli_receive_trans(cli, SMBtrans2,
1844                         &rparam, &param_len,
1845                         &rdata, &data_len)) {
1846                         SAFE_FREE(data);
1847                 return false;
1848         }
1849
1850         SAFE_FREE(data);
1851         SAFE_FREE(rdata);
1852         SAFE_FREE(rparam);
1853
1854         return True;
1855 }
1856
1857 /*********************************************************
1858  Set an extended attribute on a pathname.
1859 *********************************************************/
1860
1861 bool cli_set_ea_path(struct cli_state *cli, const char *path, const char *ea_name, const char *ea_val, size_t ea_len)
1862 {
1863         uint16 setup = TRANSACT2_SETPATHINFO;
1864         unsigned int param_len = 0;
1865         char *param;
1866         size_t srclen = 2*(strlen(path)+1);
1867         char *p;
1868         bool ret;
1869
1870         param = SMB_MALLOC_ARRAY(char, 6+srclen+2);
1871         if (!param) {
1872                 return false;
1873         }
1874         memset(param, '\0', 6);
1875         SSVAL(param,0,SMB_INFO_SET_EA);
1876         p = &param[6];
1877
1878         p += clistr_push(cli, p, path, srclen, STR_TERMINATE);
1879         param_len = PTR_DIFF(p, param);
1880
1881         ret = cli_set_ea(cli, setup, param, param_len, ea_name, ea_val, ea_len);
1882         SAFE_FREE(param);
1883         return ret;
1884 }
1885
1886 /*********************************************************
1887  Set an extended attribute on an fnum.
1888 *********************************************************/
1889
1890 bool cli_set_ea_fnum(struct cli_state *cli, int fnum, const char *ea_name, const char *ea_val, size_t ea_len)
1891 {
1892         char param[6];
1893         uint16 setup = TRANSACT2_SETFILEINFO;
1894
1895         memset(param, 0, 6);
1896         SSVAL(param,0,fnum);
1897         SSVAL(param,2,SMB_INFO_SET_EA);
1898
1899         return cli_set_ea(cli, setup, param, 6, ea_name, ea_val, ea_len);
1900 }
1901
1902 /*********************************************************
1903  Get an extended attribute list utility fn.
1904 *********************************************************/
1905
1906 static bool cli_get_ea_list(struct cli_state *cli,
1907                 uint16 setup, char *param, unsigned int param_len,
1908                 TALLOC_CTX *ctx,
1909                 size_t *pnum_eas,
1910                 struct ea_struct **pea_list)
1911 {
1912         unsigned int data_len = 0;
1913         unsigned int rparam_len, rdata_len;
1914         char *rparam=NULL, *rdata=NULL;
1915         char *p;
1916         size_t ea_size;
1917         size_t num_eas;
1918         bool ret = False;
1919         struct ea_struct *ea_list;
1920
1921         *pnum_eas = 0;
1922         if (pea_list) {
1923                 *pea_list = NULL;
1924         }
1925
1926         if (!cli_send_trans(cli, SMBtrans2,
1927                         NULL,           /* Name */
1928                         -1, 0,          /* fid, flags */
1929                         &setup, 1, 0,   /* setup, length, max */
1930                         param, param_len, 10, /* param, length, max */
1931                         NULL, data_len, cli->max_xmit /* data, length, max */
1932                                 )) {
1933                 return False;
1934         }
1935
1936         if (!cli_receive_trans(cli, SMBtrans2,
1937                         &rparam, &rparam_len,
1938                         &rdata, &rdata_len)) {
1939                 return False;
1940         }
1941
1942         if (!rdata || rdata_len < 4) {
1943                 goto out;
1944         }
1945
1946         ea_size = (size_t)IVAL(rdata,0);
1947         if (ea_size > rdata_len) {
1948                 goto out;
1949         }
1950
1951         if (ea_size == 0) {
1952                 /* No EA's present. */
1953                 ret = True;
1954                 goto out;
1955         }
1956
1957         p = rdata + 4;
1958         ea_size -= 4;
1959
1960         /* Validate the EA list and count it. */
1961         for (num_eas = 0; ea_size >= 4; num_eas++) {
1962                 unsigned int ea_namelen = CVAL(p,1);
1963                 unsigned int ea_valuelen = SVAL(p,2);
1964                 if (ea_namelen == 0) {
1965                         goto out;
1966                 }
1967                 if (4 + ea_namelen + 1 + ea_valuelen > ea_size) {
1968                         goto out;
1969                 }
1970                 ea_size -= 4 + ea_namelen + 1 + ea_valuelen;
1971                 p += 4 + ea_namelen + 1 + ea_valuelen;
1972         }
1973
1974         if (num_eas == 0) {
1975                 ret = True;
1976                 goto out;
1977         }
1978
1979         *pnum_eas = num_eas;
1980         if (!pea_list) {
1981                 /* Caller only wants number of EA's. */
1982                 ret = True;
1983                 goto out;
1984         }
1985
1986         ea_list = TALLOC_ARRAY(ctx, struct ea_struct, num_eas);
1987         if (!ea_list) {
1988                 goto out;
1989         }
1990
1991         ea_size = (size_t)IVAL(rdata,0);
1992         p = rdata + 4;
1993
1994         for (num_eas = 0; num_eas < *pnum_eas; num_eas++ ) {
1995                 struct ea_struct *ea = &ea_list[num_eas];
1996                 fstring unix_ea_name;
1997                 unsigned int ea_namelen = CVAL(p,1);
1998                 unsigned int ea_valuelen = SVAL(p,2);
1999
2000                 ea->flags = CVAL(p,0);
2001                 unix_ea_name[0] = '\0';
2002                 pull_ascii_fstring(unix_ea_name, p + 4);
2003                 ea->name = talloc_strdup(ctx, unix_ea_name);
2004                 /* Ensure the value is null terminated (in case it's a string). */
2005                 ea->value = data_blob_talloc(ctx, NULL, ea_valuelen + 1);
2006                 if (!ea->value.data) {
2007                         goto out;
2008                 }
2009                 if (ea_valuelen) {
2010                         memcpy(ea->value.data, p+4+ea_namelen+1, ea_valuelen);
2011                 }
2012                 ea->value.data[ea_valuelen] = 0;
2013                 ea->value.length--;
2014                 p += 4 + ea_namelen + 1 + ea_valuelen;
2015         }
2016
2017         *pea_list = ea_list;
2018         ret = True;
2019
2020  out :
2021
2022         SAFE_FREE(rdata);
2023         SAFE_FREE(rparam);
2024         return ret;
2025 }
2026
2027 /*********************************************************
2028  Get an extended attribute list from a pathname.
2029 *********************************************************/
2030
2031 bool cli_get_ea_list_path(struct cli_state *cli, const char *path,
2032                 TALLOC_CTX *ctx,
2033                 size_t *pnum_eas,
2034                 struct ea_struct **pea_list)
2035 {
2036         uint16 setup = TRANSACT2_QPATHINFO;
2037         unsigned int param_len = 0;
2038         char *param;
2039         char *p;
2040         size_t srclen = 2*(strlen(path)+1);
2041         bool ret;
2042
2043         param = SMB_MALLOC_ARRAY(char, 6+srclen+2);
2044         if (!param) {
2045                 return false;
2046         }
2047         p = param;
2048         memset(p, 0, 6);
2049         SSVAL(p, 0, SMB_INFO_QUERY_ALL_EAS);
2050         p += 6;
2051         p += clistr_push(cli, p, path, srclen, STR_TERMINATE);
2052         param_len = PTR_DIFF(p, param);
2053
2054         ret = cli_get_ea_list(cli, setup, param, param_len, ctx, pnum_eas, pea_list);
2055         SAFE_FREE(param);
2056         return ret;
2057 }
2058
2059 /*********************************************************
2060  Get an extended attribute list from an fnum.
2061 *********************************************************/
2062
2063 bool cli_get_ea_list_fnum(struct cli_state *cli, int fnum,
2064                 TALLOC_CTX *ctx,
2065                 size_t *pnum_eas,
2066                 struct ea_struct **pea_list)
2067 {
2068         uint16 setup = TRANSACT2_QFILEINFO;
2069         char param[6];
2070
2071         memset(param, 0, 6);
2072         SSVAL(param,0,fnum);
2073         SSVAL(param,2,SMB_INFO_SET_EA);
2074
2075         return cli_get_ea_list(cli, setup, param, 6, ctx, pnum_eas, pea_list);
2076 }
2077
2078 /****************************************************************************
2079  Convert open "flags" arg to uint32 on wire.
2080 ****************************************************************************/
2081
2082 static uint32 open_flags_to_wire(int flags)
2083 {
2084         int open_mode = flags & O_ACCMODE;
2085         uint32 ret = 0;
2086
2087         switch (open_mode) {
2088                 case O_WRONLY:
2089                         ret |= SMB_O_WRONLY;
2090                         break;
2091                 case O_RDWR:
2092                         ret |= SMB_O_RDWR;
2093                         break;
2094                 default:
2095                 case O_RDONLY:
2096                         ret |= SMB_O_RDONLY;
2097                         break;
2098         }
2099
2100         if (flags & O_CREAT) {
2101                 ret |= SMB_O_CREAT;
2102         }
2103         if (flags & O_EXCL) {
2104                 ret |= SMB_O_EXCL;
2105         }
2106         if (flags & O_TRUNC) {
2107                 ret |= SMB_O_TRUNC;
2108         }
2109 #if defined(O_SYNC)
2110         if (flags & O_SYNC) {
2111                 ret |= SMB_O_SYNC;
2112         }
2113 #endif /* O_SYNC */
2114         if (flags & O_APPEND) {
2115                 ret |= SMB_O_APPEND;
2116         }
2117 #if defined(O_DIRECT)
2118         if (flags & O_DIRECT) {
2119                 ret |= SMB_O_DIRECT;
2120         }
2121 #endif
2122 #if defined(O_DIRECTORY)
2123         if (flags & O_DIRECTORY) {
2124                 ret &= ~(SMB_O_RDONLY|SMB_O_RDWR|SMB_O_WRONLY);
2125                 ret |= SMB_O_DIRECTORY;
2126         }
2127 #endif
2128         return ret;
2129 }
2130
2131 /****************************************************************************
2132  Open a file - POSIX semantics. Returns fnum. Doesn't request oplock.
2133 ****************************************************************************/
2134
2135 static int cli_posix_open_internal(struct cli_state *cli, const char *fname, int flags, mode_t mode, bool is_dir)
2136 {
2137         unsigned int data_len = 0;
2138         unsigned int param_len = 0;
2139         uint16 setup = TRANSACT2_SETPATHINFO;
2140         char *param;
2141         char data[18];
2142         char *rparam=NULL, *rdata=NULL;
2143         char *p;
2144         int fnum = -1;
2145         uint32 wire_flags = open_flags_to_wire(flags);
2146         size_t srclen = 2*(strlen(fname)+1);
2147
2148         param = SMB_MALLOC_ARRAY(char, 6+srclen+2);
2149         if (!param) {
2150                 return false;
2151         }
2152         memset(param, '\0', 6);
2153         SSVAL(param,0, SMB_POSIX_PATH_OPEN);
2154         p = &param[6];
2155
2156         p += clistr_push(cli, p, fname, srclen, STR_TERMINATE);
2157         param_len = PTR_DIFF(p, param);
2158
2159         if (is_dir) {
2160                 wire_flags &= ~(SMB_O_RDONLY|SMB_O_RDWR|SMB_O_WRONLY);
2161                 wire_flags |= SMB_O_DIRECTORY;
2162         }
2163
2164         p = data;
2165         SIVAL(p,0,0); /* No oplock. */
2166         SIVAL(p,4,wire_flags);
2167         SIVAL(p,8,unix_perms_to_wire(mode));
2168         SIVAL(p,12,0); /* Top bits of perms currently undefined. */
2169         SSVAL(p,16,SMB_NO_INFO_LEVEL_RETURNED); /* No info level returned. */
2170
2171         data_len = 18;
2172
2173         if (!cli_send_trans(cli, SMBtrans2,
2174                         NULL,                        /* name */
2175                         -1, 0,                          /* fid, flags */
2176                         &setup, 1, 0,                   /* setup, length, max */
2177                         param, param_len, 2,            /* param, length, max */
2178                         (char *)&data,  data_len, cli->max_xmit /* data, length, max */
2179                         )) {
2180                 SAFE_FREE(param);
2181                 return -1;
2182         }
2183
2184         SAFE_FREE(param);
2185
2186         if (!cli_receive_trans(cli, SMBtrans2,
2187                 &rparam, &param_len,
2188                 &rdata, &data_len)) {
2189                         return -1;
2190         }
2191
2192         fnum = SVAL(rdata,2);
2193
2194         SAFE_FREE(rdata);
2195         SAFE_FREE(rparam);
2196
2197         return fnum;
2198 }
2199
2200 /****************************************************************************
2201  open - POSIX semantics.
2202 ****************************************************************************/
2203
2204 int cli_posix_open(struct cli_state *cli, const char *fname, int flags, mode_t mode)
2205 {
2206         return cli_posix_open_internal(cli, fname, flags, mode, False);
2207 }
2208
2209 /****************************************************************************
2210  mkdir - POSIX semantics.
2211 ****************************************************************************/
2212
2213 int cli_posix_mkdir(struct cli_state *cli, const char *fname, mode_t mode)
2214 {
2215         return (cli_posix_open_internal(cli, fname, O_CREAT, mode, True) == -1) ? -1 : 0;
2216 }
2217
2218 /****************************************************************************
2219  unlink or rmdir - POSIX semantics.
2220 ****************************************************************************/
2221
2222 static bool cli_posix_unlink_internal(struct cli_state *cli, const char *fname, bool is_dir)
2223 {
2224         unsigned int data_len = 0;
2225         unsigned int param_len = 0;
2226         uint16 setup = TRANSACT2_SETPATHINFO;
2227         char *param;
2228         char data[2];
2229         char *rparam=NULL, *rdata=NULL;
2230         char *p;
2231         size_t srclen = 2*(strlen(fname)+1);
2232
2233         param = SMB_MALLOC_ARRAY(char, 6+srclen+2);
2234         if (!param) {
2235                 return false;
2236         }
2237         memset(param, '\0', 6);
2238         SSVAL(param,0, SMB_POSIX_PATH_UNLINK);
2239         p = &param[6];
2240
2241         p += clistr_push(cli, p, fname, srclen, STR_TERMINATE);
2242         param_len = PTR_DIFF(p, param);
2243
2244         SSVAL(data, 0, is_dir ? SMB_POSIX_UNLINK_DIRECTORY_TARGET :
2245                         SMB_POSIX_UNLINK_FILE_TARGET);
2246         data_len = 2;
2247
2248         if (!cli_send_trans(cli, SMBtrans2,
2249                         NULL,                        /* name */
2250                         -1, 0,                          /* fid, flags */
2251                         &setup, 1, 0,                   /* setup, length, max */
2252                         param, param_len, 2,            /* param, length, max */
2253                         (char *)&data,  data_len, cli->max_xmit /* data, length, max */
2254                         )) {
2255                 SAFE_FREE(param);
2256                 return False;
2257         }
2258
2259         SAFE_FREE(param);
2260
2261         if (!cli_receive_trans(cli, SMBtrans2,
2262                 &rparam, &param_len,
2263                 &rdata, &data_len)) {
2264                         return False;
2265         }
2266
2267         SAFE_FREE(rdata);
2268         SAFE_FREE(rparam);
2269
2270         return True;
2271 }
2272
2273 /****************************************************************************
2274  unlink - POSIX semantics.
2275 ****************************************************************************/
2276
2277 bool cli_posix_unlink(struct cli_state *cli, const char *fname)
2278 {
2279         return cli_posix_unlink_internal(cli, fname, False);
2280 }
2281
2282 /****************************************************************************
2283  rmdir - POSIX semantics.
2284 ****************************************************************************/
2285
2286 int cli_posix_rmdir(struct cli_state *cli, const char *fname)
2287 {
2288         return cli_posix_unlink_internal(cli, fname, True);
2289 }