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