source4/smb_server/trans2.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    transaction2 handling
   4    Copyright (C) Andrew Tridgell 2003
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20 /*
  21    This file handles the parsing of transact2 requests
  22 */
  23
  24 #include "includes.h"
  25 #include "smb_server/smb_server.h"
  26
  27
  28
  29 #define CHECK_MIN_BLOB_SIZE(blob, size) do { \
  30         if ((blob)->length < (size)) { \
  31                 return NT_STATUS_INFO_LENGTH_MISMATCH; \
  32         }} while (0)
  33
  34 /* grow the data allocation size of a trans2 reply - this guarantees
  35    that requests to grow the data size later will not change the
  36    pointer */
  37 static void trans2_grow_data_allocation(struct smbsrv_request *req,
  38                                         struct smb_trans2 *trans,
  39                                         uint16_t new_size)
  40 {
  41         if (new_size <= trans->out.data.length) {
  42                 return;
  43         }
  44         trans->out.data.data = talloc_realloc(req, trans->out.data.data, new_size);
  45 }
  46
  47
  48 /* grow the data size of a trans2 reply */
  49 static void trans2_grow_data(struct smbsrv_request *req,
  50                              struct smb_trans2 *trans,
  51                              uint16_t new_size)
  52 {
  53         trans2_grow_data_allocation(req, trans, new_size);
  54         trans->out.data.length = new_size;
  55 }
  56
  57 /* grow the data, zero filling any new bytes */
  58 static void trans2_grow_data_fill(struct smbsrv_request *req,
  59                                   struct smb_trans2 *trans,
  60                                   uint16_t new_size)
  61 {
  62         uint16_t old_size = trans->out.data.length;
  63         trans2_grow_data(req, trans, new_size);
  64         if (new_size > old_size) {
  65                 memset(trans->out.data.data + old_size, 0, new_size - old_size);
  66         }
  67 }
  68
  69
  70 /* setup a trans2 reply, given the data and params sizes */
  71 static void trans2_setup_reply(struct smbsrv_request *req,
  72                                struct smb_trans2 *trans,
  73                                uint16_t param_size, uint16_t data_size,
  74                                uint16_t setup_count)
  75 {
  76         trans->out.setup_count = setup_count;
  77         if (setup_count != 0) {
  78                 trans->out.setup = talloc_zero_array_p(req, uint16_t, setup_count);
  79         }
  80         trans->out.params = data_blob_talloc(req, NULL, param_size);
  81         trans->out.data = data_blob_talloc(req, NULL, data_size);
  82 }
  83
  84
  85 /*
  86   pull a string from a blob in a trans2 request
  87 */
  88 static size_t trans2_pull_blob_string(struct smbsrv_request *req,
  89                                       const DATA_BLOB *blob,
  90                                       uint16_t offset,
  91                                       const char **str,
  92                                       int flags)
  93 {
  94         /* we use STR_NO_RANGE_CHECK because the params are allocated
  95            separately in a DATA_BLOB, so we need to do our own range
  96            checking */
  97         if (offset >= blob->length) {
  98                 *str = NULL;
  99                 return 0;
 100         }
 101
 102         return req_pull_string(req, str,
 103                                blob->data + offset,
 104                                blob->length - offset,
 105                                STR_NO_RANGE_CHECK | flags);
 106 }
 107
 108 /*
 109   push a string into the data section of a trans2 request
 110   return the number of bytes consumed in the output
 111 */
 112 static size_t trans2_push_data_string(struct smbsrv_request *req,
 113                                       struct smb_trans2 *trans,
 114                                       uint16_t len_offset,
 115                                       uint16_t offset,
 116                                       const WIRE_STRING *str,
 117                                       int dest_len,
 118                                       int flags)
 119 {
 120         int alignment = 0, ret = 0, pkt_len;
 121
 122         /* we use STR_NO_RANGE_CHECK because the params are allocated
 123            separately in a DATA_BLOB, so we need to do our own range
 124            checking */
 125         if (!str->s || offset >= trans->out.data.length) {
 126                 if (flags & STR_LEN8BIT) {
 127                         SCVAL(trans->out.data.data, len_offset, 0);
 128                 } else {
 129                         SIVAL(trans->out.data.data, len_offset, 0);
 130                 }
 131                 return 0;
 132         }
 133
 134         flags |= STR_NO_RANGE_CHECK;
 135
 136         if (dest_len == -1 || (dest_len > trans->out.data.length - offset)) {
 137                 dest_len = trans->out.data.length - offset;
 138         }
 139
 140         if (!(flags & (STR_ASCII|STR_UNICODE))) {
 141                 flags |= (req->flags2 & FLAGS2_UNICODE_STRINGS) ? STR_UNICODE : STR_ASCII;
 142         }
 143
 144         if ((offset&1) && (flags & STR_UNICODE) && !(flags & STR_NOALIGN)) {
 145                 alignment = 1;
 146                 if (dest_len > 0) {
 147                         SCVAL(trans->out.data.data + offset, 0, 0);
 148                         ret = push_string(trans->out.data.data + offset + 1, str->s, dest_len-1, flags);
 149                 }
 150         } else {
 151                 ret = push_string(trans->out.data.data + offset, str->s, dest_len, flags);
 152         }
 153
 154         /* sometimes the string needs to be terminated, but the length
 155            on the wire must not include the termination! */
 156         pkt_len = ret;
 157
 158         if ((flags & STR_LEN_NOTERM) && (flags & STR_TERMINATE)) {
 159                 if ((flags & STR_UNICODE) && ret >= 2) {
 160                         pkt_len = ret-2;
 161                 }
 162                 if ((flags & STR_ASCII) && ret >= 1) {
 163                         pkt_len = ret-1;
 164                 }
 165         }
 166
 167         if (flags & STR_LEN8BIT) {
 168                 SCVAL(trans->out.data.data, len_offset, pkt_len);
 169         } else {
 170                 SIVAL(trans->out.data.data, len_offset, pkt_len);
 171         }
 172
 173         return ret + alignment;
 174 }
 175
 176 /*
 177   append a string to the data section of a trans2 reply
 178   len_offset points to the place in the packet where the length field
 179   should go
 180 */
 181 static void trans2_append_data_string(struct smbsrv_request *req,
 182                                         struct smb_trans2 *trans,
 183                                         const WIRE_STRING *str,
 184                                         uint_t len_offset,
 185                                         int flags)
 186 {
 187         size_t ret;
 188         uint16_t offset;
 189         const int max_bytes_per_char = 3;
 190
 191         offset = trans->out.data.length;
 192         trans2_grow_data(req, trans, offset + (2+strlen_m(str->s))*max_bytes_per_char);
 193         ret = trans2_push_data_string(req, trans, len_offset, offset, str, -1, flags);
 194         trans2_grow_data(req, trans, offset + ret);
 195 }
 196
 197 /*
 198   align the end of the data section of a trans reply on an even boundary
 199 */
 200 static void trans2_align_data(struct smbsrv_request *req, struct smb_trans2 *trans)
 201 {
 202         if ((trans->out.data.length & 1) == 0) {
 203                 return;
 204         }
 205         trans2_grow_data(req, trans, trans->out.data.length+1);
 206         SCVAL(trans->out.data.data, trans->out.data.length-1, 0);
 207 }
 208
 209
 210 /*
 211   trans2 qfsinfo implementation
 212 */
 213 static NTSTATUS trans2_qfsinfo(struct smbsrv_request *req, struct smb_trans2 *trans)
 214 {
 215         union smb_fsinfo fsinfo;
 216         NTSTATUS status;
 217         uint16_t level;
 218         uint_t i;
 219         DATA_BLOB guid_blob;
 220
 221         /* make sure we got enough parameters */
 222         if (trans->in.params.length != 2) {
 223                 return NT_STATUS_FOOBAR;
 224         }
 225
 226         level = SVAL(trans->in.params.data, 0);
 227
 228         switch (level) {
 229         case SMB_QFS_ALLOCATION:
 230                 fsinfo.allocation.level = RAW_QFS_ALLOCATION;
 231
 232                 status = ntvfs_fsinfo(req, &fsinfo);
 233                 if (!NT_STATUS_IS_OK(status)) {
 234                         return status;
 235                 }
 236
 237                 trans2_setup_reply(req, trans, 0, 18, 0);
 238
 239                 SIVAL(trans->out.data.data,  0, fsinfo.allocation.out.fs_id);
 240                 SIVAL(trans->out.data.data,  4, fsinfo.allocation.out.sectors_per_unit);
 241                 SIVAL(trans->out.data.data,  8, fsinfo.allocation.out.total_alloc_units);
 242                 SIVAL(trans->out.data.data, 12, fsinfo.allocation.out.avail_alloc_units);
 243                 SSVAL(trans->out.data.data, 16, fsinfo.allocation.out.bytes_per_sector);
 244
 245                 return NT_STATUS_OK;
 246
 247         case SMB_QFS_VOLUME:
 248                 fsinfo.volume.level = RAW_QFS_VOLUME;
 249
 250                 status = ntvfs_fsinfo(req, &fsinfo);
 251                 if (!NT_STATUS_IS_OK(status)) {
 252                         return status;
 253                 }
 254
 255                 trans2_setup_reply(req, trans, 0, 5, 0);
 256
 257                 SIVAL(trans->out.data.data,       0, fsinfo.volume.out.serial_number);
 258                 /* w2k3 implements this incorrectly for unicode - it
 259                  * leaves the last byte off the string */
 260                 trans2_append_data_string(req, trans,
 261                                           &fsinfo.volume.out.volume_name,
 262                                           4, STR_LEN8BIT|STR_NOALIGN);
 263
 264                 return NT_STATUS_OK;
 265
 266         case SMB_QFS_VOLUME_INFO:
 267         case SMB_QFS_VOLUME_INFORMATION:
 268                 fsinfo.volume_info.level = RAW_QFS_VOLUME_INFO;
 269
 270                 status = ntvfs_fsinfo(req, &fsinfo);
 271                 if (!NT_STATUS_IS_OK(status)) {
 272                         return status;
 273                 }
 274
 275                 trans2_setup_reply(req, trans, 0, 18, 0);
 276
 277                 push_nttime(trans->out.data.data, 0, fsinfo.volume_info.out.create_time);
 278                 SIVAL(trans->out.data.data,       8, fsinfo.volume_info.out.serial_number);
 279                 SSVAL(trans->out.data.data,      16, 0); /* padding */
 280                 trans2_append_data_string(req, trans,
 281                                           &fsinfo.volume_info.out.volume_name,
 282                                           12, STR_UNICODE);
 283
 284                 return NT_STATUS_OK;
 285
 286         case SMB_QFS_SIZE_INFO:
 287         case SMB_QFS_SIZE_INFORMATION:
 288                 fsinfo.size_info.level = RAW_QFS_SIZE_INFO;
 289
 290                 status = ntvfs_fsinfo(req, &fsinfo);
 291                 if (!NT_STATUS_IS_OK(status)) {
 292                         return status;
 293                 }
 294
 295                 trans2_setup_reply(req, trans, 0, 24, 0);
 296
 297                 SBVAL(trans->out.data.data,  0, fsinfo.size_info.out.total_alloc_units);
 298                 SBVAL(trans->out.data.data,  8, fsinfo.size_info.out.avail_alloc_units);
 299                 SIVAL(trans->out.data.data, 16, fsinfo.size_info.out.sectors_per_unit);
 300                 SIVAL(trans->out.data.data, 20, fsinfo.size_info.out.bytes_per_sector);
 301
 302                 return NT_STATUS_OK;
 303
 304         case SMB_QFS_DEVICE_INFO:
 305         case SMB_QFS_DEVICE_INFORMATION:
 306                 fsinfo.device_info.level = RAW_QFS_DEVICE_INFO;
 307
 308                 status = ntvfs_fsinfo(req, &fsinfo);
 309                 if (!NT_STATUS_IS_OK(status)) {
 310                         return status;
 311                 }
 312                 trans2_setup_reply(req, trans, 0, 8, 0);
 313                 SIVAL(trans->out.data.data,      0, fsinfo.device_info.out.device_type);
 314                 SIVAL(trans->out.data.data,      4, fsinfo.device_info.out.characteristics);
 315                 return NT_STATUS_OK;
 316
 317
 318         case SMB_QFS_ATTRIBUTE_INFO:
 319         case SMB_QFS_ATTRIBUTE_INFORMATION:
 320                 fsinfo.attribute_info.level = RAW_QFS_ATTRIBUTE_INFO;
 321
 322                 status = ntvfs_fsinfo(req, &fsinfo);
 323                 if (!NT_STATUS_IS_OK(status)) {
 324                         return status;
 325                 }
 326
 327                 trans2_setup_reply(req, trans, 0, 12, 0);
 328
 329                 SIVAL(trans->out.data.data, 0, fsinfo.attribute_info.out.fs_attr);
 330                 SIVAL(trans->out.data.data, 4, fsinfo.attribute_info.out.max_file_component_length);
 331                 /* this must not be null terminated or win98 gets
 332                    confused!  also note that w2k3 returns this as
 333                    unicode even when ascii is negotiated */
 334                 trans2_append_data_string(req, trans,
 335                                           &fsinfo.attribute_info.out.fs_type,
 336                                           8, STR_UNICODE);
 337                 return NT_STATUS_OK;
 338
 339
 340         case SMB_QFS_QUOTA_INFORMATION:
 341                 fsinfo.quota_information.level = RAW_QFS_QUOTA_INFORMATION;
 342
 343                 status = ntvfs_fsinfo(req, &fsinfo);
 344                 if (!NT_STATUS_IS_OK(status)) {
 345                         return status;
 346                 }
 347
 348                 trans2_setup_reply(req, trans, 0, 48, 0);
 349
 350                 SBVAL(trans->out.data.data,   0, fsinfo.quota_information.out.unknown[0]);
 351                 SBVAL(trans->out.data.data,   8, fsinfo.quota_information.out.unknown[1]);
 352                 SBVAL(trans->out.data.data,  16, fsinfo.quota_information.out.unknown[2]);
 353                 SBVAL(trans->out.data.data,  24, fsinfo.quota_information.out.quota_soft);
 354                 SBVAL(trans->out.data.data,  32, fsinfo.quota_information.out.quota_hard);
 355                 SBVAL(trans->out.data.data,  40, fsinfo.quota_information.out.quota_flags);
 356
 357                 return NT_STATUS_OK;
 358
 359
 360         case SMB_QFS_FULL_SIZE_INFORMATION:
 361                 fsinfo.full_size_information.level = RAW_QFS_FULL_SIZE_INFORMATION;
 362
 363                 status = ntvfs_fsinfo(req, &fsinfo);
 364                 if (!NT_STATUS_IS_OK(status)) {
 365                         return status;
 366                 }
 367
 368                 trans2_setup_reply(req, trans, 0, 32, 0);
 369
 370                 SBVAL(trans->out.data.data,  0, fsinfo.full_size_information.out.total_alloc_units);
 371                 SBVAL(trans->out.data.data,  8, fsinfo.full_size_information.out.call_avail_alloc_units);
 372                 SBVAL(trans->out.data.data, 16, fsinfo.full_size_information.out.actual_avail_alloc_units);
 373                 SIVAL(trans->out.data.data, 24, fsinfo.full_size_information.out.sectors_per_unit);
 374                 SIVAL(trans->out.data.data, 28, fsinfo.full_size_information.out.bytes_per_sector);
 375
 376                 return NT_STATUS_OK;
 377
 378         case SMB_QFS_OBJECTID_INFORMATION:
 379                 fsinfo.objectid_information.level = RAW_QFS_OBJECTID_INFORMATION;
 380
 381                 status = ntvfs_fsinfo(req, &fsinfo);
 382                 if (!NT_STATUS_IS_OK(status)) {
 383                         return status;
 384                 }
 385
 386                 trans2_setup_reply(req, trans, 0, 64, 0);
 387
 388                 status = ndr_push_struct_blob(&guid_blob, req,
 389                                               &fsinfo.objectid_information.out.guid,
 390                                               (ndr_push_flags_fn_t)ndr_push_GUID);
 391                 if (!NT_STATUS_IS_OK(status)) {
 392                         return status;
 393                 }
 394
 395                 memcpy(trans->out.data.data, guid_blob.data, guid_blob.length);
 396
 397                 for (i=0;i<6;i++) {
 398                         SBVAL(trans->out.data.data, 16 + 8*i, fsinfo.objectid_information.out.unknown[i]);
 399                 }
 400                 return NT_STATUS_OK;
 401         }
 402
 403         return NT_STATUS_INVALID_LEVEL;
 404 }
 405
 406
 407 /*
 408   trans2 open implementation
 409 */
 410 static NTSTATUS trans2_open(struct smbsrv_request *req, struct smb_trans2 *trans)
 411 {
 412         union smb_open *io;
 413         NTSTATUS status;
 414
 415         /* make sure we got enough parameters */
 416         if (trans->in.params.length < 29) {
 417                 return NT_STATUS_FOOBAR;
 418         }
 419
 420         io = talloc_p(req, union smb_open);
 421         if (io == NULL) {
 422                 return NT_STATUS_NO_MEMORY;
 423         }
 424
 425         io->t2open.level         = RAW_OPEN_T2OPEN;
 426         io->t2open.in.flags      = SVAL(trans->in.params.data, VWV(0));
 427         io->t2open.in.open_mode  = SVAL(trans->in.params.data, VWV(1));
 428         io->t2open.in.file_attrs = SVAL(trans->in.params.data, VWV(3));
 429         io->t2open.in.write_time = srv_pull_dos_date(req->smb_conn,
 430                                                     trans->in.params.data + VWV(4));;
 431         io->t2open.in.open_func  = SVAL(trans->in.params.data, VWV(6));
 432         io->t2open.in.size       = IVAL(trans->in.params.data, VWV(7));
 433         io->t2open.in.timeout    = IVAL(trans->in.params.data, VWV(9));
 434         io->t2open.in.num_eas    = 0;
 435         io->t2open.in.eas        = NULL;
 436
 437         trans2_pull_blob_string(req, &trans->in.params, 28, &io->t2open.in.fname, 0);
 438
 439         status = ea_pull_list(&trans->in.data, io, &io->t2open.in.num_eas, &io->t2open.in.eas);
 440         if (!NT_STATUS_IS_OK(status)) {
 441                 return status;
 442         }
 443
 444         status = ntvfs_openfile(req, io);
 445         if (!NT_STATUS_IS_OK(status)) {
 446                 return status;
 447         }
 448
 449         trans2_setup_reply(req, trans, 30, 0, 0);
 450
 451         SSVAL(trans->out.params.data, VWV(0), io->t2open.out.fnum);
 452         SSVAL(trans->out.params.data, VWV(1), io->t2open.out.attrib);
 453         srv_push_dos_date3(req->smb_conn, trans->out.params.data,
 454                            VWV(2), io->t2open.out.write_time);
 455         SIVAL(trans->out.params.data, VWV(4), io->t2open.out.size);
 456         SSVAL(trans->out.params.data, VWV(6), io->t2open.out.access);
 457         SSVAL(trans->out.params.data, VWV(7), io->t2open.out.ftype);
 458         SSVAL(trans->out.params.data, VWV(8), io->t2open.out.devstate);
 459         SSVAL(trans->out.params.data, VWV(9), io->t2open.out.action);
 460         SIVAL(trans->out.params.data, VWV(10), 0); /* reserved */
 461         SSVAL(trans->out.params.data, VWV(12), 0); /* EaErrorOffset */
 462         SIVAL(trans->out.params.data, VWV(13), 0); /* EaLength */
 463
 464         return status;
 465 }
 466
 467
 468 /*
 469   trans2 mkdir implementation
 470 */
 471 static NTSTATUS trans2_mkdir(struct smbsrv_request *req, struct smb_trans2 *trans)
 472 {
 473         union smb_mkdir *io;
 474         NTSTATUS status;
 475
 476         /* make sure we got enough parameters */
 477         if (trans->in.params.length < 5) {
 478                 return NT_STATUS_FOOBAR;
 479         }
 480
 481         io = talloc_p(req, union smb_mkdir);
 482         if (io == NULL) {
 483                 return NT_STATUS_NO_MEMORY;
 484         }
 485
 486         io->t2mkdir.level = RAW_MKDIR_T2MKDIR;
 487         trans2_pull_blob_string(req, &trans->in.params, 4, &io->t2mkdir.in.path, 0);
 488
 489         status = ea_pull_list(&trans->in.data, io,
 490                               &io->t2mkdir.in.num_eas,
 491                               &io->t2mkdir.in.eas);
 492         if (!NT_STATUS_IS_OK(status)) {
 493                 return status;
 494         }
 495
 496         status = ntvfs_mkdir(req, io);
 497         if (!NT_STATUS_IS_OK(status)) {
 498                 return status;
 499         }
 500
 501         trans2_setup_reply(req, trans, 2, 0, 0);
 502
 503         SSVAL(trans->out.params.data, VWV(0), 0);
 504
 505         return status;
 506 }
 507
 508 /*
 509   fill in the reply from a qpathinfo or qfileinfo call
 510 */
 511 static NTSTATUS trans2_fileinfo_fill(struct smbsrv_request *req, struct smb_trans2 *trans,
 512                                      union smb_fileinfo *st)
 513 {
 514         uint_t i;
 515         uint32_t list_size;
 516
 517         switch (st->generic.level) {
 518         case RAW_FILEINFO_GENERIC:
 519         case RAW_FILEINFO_GETATTR:
 520         case RAW_FILEINFO_GETATTRE:
 521         case RAW_FILEINFO_SEC_DESC:
 522                 /* handled elsewhere */
 523                 return NT_STATUS_INVALID_LEVEL;
 524
 525         case RAW_FILEINFO_BASIC_INFO:
 526         case RAW_FILEINFO_BASIC_INFORMATION:
 527                 trans2_setup_reply(req, trans, 2, 40, 0);
 528
 529                 SSVAL(trans->out.params.data, 0, 0);
 530                 push_nttime(trans->out.data.data,  0, st->basic_info.out.create_time);
 531                 push_nttime(trans->out.data.data,  8, st->basic_info.out.access_time);
 532                 push_nttime(trans->out.data.data, 16, st->basic_info.out.write_time);
 533                 push_nttime(trans->out.data.data, 24, st->basic_info.out.change_time);
 534                 SIVAL(trans->out.data.data,       32, st->basic_info.out.attrib);
 535                 SIVAL(trans->out.data.data,       36, 0); /* padding */
 536                 return NT_STATUS_OK;
 537
 538         case RAW_FILEINFO_STANDARD:
 539                 trans2_setup_reply(req, trans, 2, 22, 0);
 540
 541                 SSVAL(trans->out.params.data, 0, 0);
 542                 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 0, st->standard.out.create_time);
 543                 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 4, st->standard.out.access_time);
 544                 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 8, st->standard.out.write_time);
 545                 SIVAL(trans->out.data.data,        12, st->standard.out.size);
 546                 SIVAL(trans->out.data.data,        16, st->standard.out.alloc_size);
 547                 SSVAL(trans->out.data.data,        20, st->standard.out.attrib);
 548                 return NT_STATUS_OK;
 549
 550         case RAW_FILEINFO_EA_SIZE:
 551                 trans2_setup_reply(req, trans, 2, 26, 0);
 552
 553                 SSVAL(trans->out.params.data, 0, 0);
 554                 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 0, st->ea_size.out.create_time);
 555                 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 4, st->ea_size.out.access_time);
 556                 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 8, st->ea_size.out.write_time);
 557                 SIVAL(trans->out.data.data,        12, st->ea_size.out.size);
 558                 SIVAL(trans->out.data.data,        16, st->ea_size.out.alloc_size);
 559                 SSVAL(trans->out.data.data,        20, st->ea_size.out.attrib);
 560                 SIVAL(trans->out.data.data,        22, st->ea_size.out.ea_size);
 561                 return NT_STATUS_OK;
 562
 563         case RAW_FILEINFO_NETWORK_OPEN_INFORMATION:
 564                 trans2_setup_reply(req, trans, 2, 56, 0);
 565
 566                 SSVAL(trans->out.params.data, 0, 0);
 567                 push_nttime(trans->out.data.data,  0, st->network_open_information.out.create_time);
 568                 push_nttime(trans->out.data.data,  8, st->network_open_information.out.access_time);
 569                 push_nttime(trans->out.data.data, 16, st->network_open_information.out.write_time);
 570                 push_nttime(trans->out.data.data, 24, st->network_open_information.out.change_time);
 571                 SBVAL(trans->out.data.data,       32, st->network_open_information.out.alloc_size);
 572                 SBVAL(trans->out.data.data,       40, st->network_open_information.out.size);
 573                 SIVAL(trans->out.data.data,       48, st->network_open_information.out.attrib);
 574                 SIVAL(trans->out.data.data,       52, 0); /* padding */
 575                 return NT_STATUS_OK;
 576
 577         case RAW_FILEINFO_STANDARD_INFO:
 578         case RAW_FILEINFO_STANDARD_INFORMATION:
 579                 trans2_setup_reply(req, trans, 2, 24, 0);
 580                 SSVAL(trans->out.params.data, 0, 0);
 581                 SBVAL(trans->out.data.data,  0, st->standard_info.out.alloc_size);
 582                 SBVAL(trans->out.data.data,  8, st->standard_info.out.size);
 583                 SIVAL(trans->out.data.data, 16, st->standard_info.out.nlink);
 584                 SCVAL(trans->out.data.data, 20, st->standard_info.out.delete_pending);
 585                 SCVAL(trans->out.data.data, 21, st->standard_info.out.directory);
 586                 SSVAL(trans->out.data.data, 22, 0); /* padding */
 587                 return NT_STATUS_OK;
 588
 589         case RAW_FILEINFO_ATTRIBUTE_TAG_INFORMATION:
 590                 trans2_setup_reply(req, trans, 2, 8, 0);
 591                 SSVAL(trans->out.params.data, 0, 0);
 592                 SIVAL(trans->out.data.data,  0, st->attribute_tag_information.out.attrib);
 593                 SIVAL(trans->out.data.data,  4, st->attribute_tag_information.out.reparse_tag);
 594                 return NT_STATUS_OK;
 595
 596         case RAW_FILEINFO_EA_INFO:
 597         case RAW_FILEINFO_EA_INFORMATION:
 598                 trans2_setup_reply(req, trans, 2, 4, 0);
 599                 SSVAL(trans->out.params.data, 0, 0);
 600                 SIVAL(trans->out.data.data,  0, st->ea_info.out.ea_size);
 601                 return NT_STATUS_OK;
 602
 603         case RAW_FILEINFO_MODE_INFORMATION:
 604                 trans2_setup_reply(req, trans, 2, 4, 0);
 605                 SSVAL(trans->out.params.data, 0, 0);
 606                 SIVAL(trans->out.data.data,  0, st->mode_information.out.mode);
 607                 return NT_STATUS_OK;
 608
 609         case RAW_FILEINFO_ALIGNMENT_INFORMATION:
 610                 trans2_setup_reply(req, trans, 2, 4, 0);
 611                 SSVAL(trans->out.params.data, 0, 0);
 612                 SIVAL(trans->out.data.data,  0,
 613                       st->alignment_information.out.alignment_requirement);
 614                 return NT_STATUS_OK;
 615
 616         case RAW_FILEINFO_ALL_EAS:
 617                 list_size = ea_list_size(st->all_eas.out.num_eas,
 618                                                         st->all_eas.out.eas);
 619                         trans2_setup_reply(req, trans, 2, list_size, 0);
 620                         SSVAL(trans->out.params.data, 0, 0);
 621                         ea_put_list(trans->out.data.data,
 622                                     st->all_eas.out.num_eas, st->all_eas.out.eas);
 623                 return NT_STATUS_OK;
 624
 625         case RAW_FILEINFO_ACCESS_INFORMATION:
 626                 trans2_setup_reply(req, trans, 2, 4, 0);
 627                 SSVAL(trans->out.params.data, 0, 0);
 628                 SIVAL(trans->out.data.data,  0, st->access_information.out.access_flags);
 629                 return NT_STATUS_OK;
 630
 631         case RAW_FILEINFO_POSITION_INFORMATION:
 632                 trans2_setup_reply(req, trans, 2, 8, 0);
 633                 SSVAL(trans->out.params.data, 0, 0);
 634                 SBVAL(trans->out.data.data,  0, st->position_information.out.position);
 635                 return NT_STATUS_OK;
 636
 637         case RAW_FILEINFO_COMPRESSION_INFO:
 638         case RAW_FILEINFO_COMPRESSION_INFORMATION:
 639                 trans2_setup_reply(req, trans, 2, 16, 0);
 640                 SSVAL(trans->out.params.data, 0, 0);
 641                 SBVAL(trans->out.data.data,  0, st->compression_info.out.compressed_size);
 642                 SSVAL(trans->out.data.data,  8, st->compression_info.out.format);
 643                 SCVAL(trans->out.data.data, 10, st->compression_info.out.unit_shift);
 644                 SCVAL(trans->out.data.data, 11, st->compression_info.out.chunk_shift);
 645                 SCVAL(trans->out.data.data, 12, st->compression_info.out.cluster_shift);
 646                 SSVAL(trans->out.data.data, 13, 0); /* 3 bytes padding */
 647                 SCVAL(trans->out.data.data, 15, 0);
 648                 return NT_STATUS_OK;
 649
 650         case RAW_FILEINFO_IS_NAME_VALID:
 651                 trans2_setup_reply(req, trans, 2, 0, 0);
 652                 SSVAL(trans->out.params.data, 0, 0);
 653                 return NT_STATUS_OK;
 654
 655         case RAW_FILEINFO_INTERNAL_INFORMATION:
 656                 trans2_setup_reply(req, trans, 2, 8, 0);
 657                 SSVAL(trans->out.params.data, 0, 0);
 658                 SBVAL(trans->out.data.data,  0, st->internal_information.out.file_id);
 659                 return NT_STATUS_OK;
 660
 661         case RAW_FILEINFO_ALL_INFO:
 662         case RAW_FILEINFO_ALL_INFORMATION:
 663                 trans2_setup_reply(req, trans, 2, 72, 0);
 664
 665                 SSVAL(trans->out.params.data, 0, 0);
 666                 push_nttime(trans->out.data.data,  0, st->all_info.out.create_time);
 667                 push_nttime(trans->out.data.data,  8, st->all_info.out.access_time);
 668                 push_nttime(trans->out.data.data, 16, st->all_info.out.write_time);
 669                 push_nttime(trans->out.data.data, 24, st->all_info.out.change_time);
 670                 SIVAL(trans->out.data.data,       32, st->all_info.out.attrib);
 671                 SIVAL(trans->out.data.data,       36, 0);
 672                 SBVAL(trans->out.data.data,       40, st->all_info.out.alloc_size);
 673                 SBVAL(trans->out.data.data,       48, st->all_info.out.size);
 674                 SIVAL(trans->out.data.data,       56, st->all_info.out.nlink);
 675                 SCVAL(trans->out.data.data,       60, st->all_info.out.delete_pending);
 676                 SCVAL(trans->out.data.data,       61, st->all_info.out.directory);
 677                 SSVAL(trans->out.data.data,       62, 0); /* padding */
 678                 SIVAL(trans->out.data.data,       64, st->all_info.out.ea_size);
 679                 trans2_append_data_string(req, trans, &st->all_info.out.fname,
 680                                           68, STR_UNICODE);
 681                 return NT_STATUS_OK;
 682
 683         case RAW_FILEINFO_NAME_INFO:
 684         case RAW_FILEINFO_NAME_INFORMATION:
 685                 trans2_setup_reply(req, trans, 2, 4, 0);
 686                 SSVAL(trans->out.params.data, 0, 0);
 687                 trans2_append_data_string(req, trans, &st->name_info.out.fname, 0, STR_UNICODE);
 688                 return NT_STATUS_OK;
 689
 690         case RAW_FILEINFO_ALT_NAME_INFO:
 691         case RAW_FILEINFO_ALT_NAME_INFORMATION:
 692                 trans2_setup_reply(req, trans, 2, 4, 0);
 693                 SSVAL(trans->out.params.data, 0, 0);
 694                 trans2_append_data_string(req, trans, &st->alt_name_info.out.fname, 0, STR_UNICODE);
 695                 return NT_STATUS_OK;
 696
 697         case RAW_FILEINFO_STREAM_INFO:
 698         case RAW_FILEINFO_STREAM_INFORMATION:
 699                 trans2_setup_reply(req, trans, 2, 0, 0);
 700
 701                 SSVAL(trans->out.params.data, 0, 0);
 702
 703                 for (i=0;i<st->stream_info.out.num_streams;i++) {
 704                         uint16_t data_size = trans->out.data.length;
 705                         uint8_t *data;
 706
 707                         trans2_grow_data(req, trans, data_size + 24);
 708                         data = trans->out.data.data + data_size;
 709                         SBVAL(data,  8, st->stream_info.out.streams[i].size);
 710                         SBVAL(data, 16, st->stream_info.out.streams[i].alloc_size);
 711                         trans2_append_data_string(req, trans,
 712                                                   &st->stream_info.out.streams[i].stream_name,
 713                                                   data_size + 4, STR_UNICODE);
 714                         if (i == st->stream_info.out.num_streams - 1) {
 715                                 SIVAL(trans->out.data.data, data_size, 0);
 716                         } else {
 717                                 trans2_grow_data_fill(req, trans, (trans->out.data.length+7)&~7);
 718                                 SIVAL(trans->out.data.data, data_size,
 719                                       trans->out.data.length - data_size);
 720                         }
 721                 }
 722                 return NT_STATUS_OK;
 723         }
 724
 725         return NT_STATUS_INVALID_LEVEL;
 726 }
 727
 728 /*
 729   trans2 qpathinfo implementation
 730 */
 731 static NTSTATUS trans2_qpathinfo(struct smbsrv_request *req, struct smb_trans2 *trans)
 732 {
 733         union smb_fileinfo st;
 734         NTSTATUS status;
 735         uint16_t level;
 736
 737         /* make sure we got enough parameters */
 738         if (trans->in.params.length < 2) {
 739                 return NT_STATUS_FOOBAR;
 740         }
 741
 742         level = SVAL(trans->in.params.data, 0);
 743
 744         trans2_pull_blob_string(req, &trans->in.params, 6, &st.generic.in.fname, 0);
 745         if (st.generic.in.fname == NULL) {
 746                 return NT_STATUS_FOOBAR;
 747         }
 748
 749         /* work out the backend level - we make it 1-1 in the header */
 750         st.generic.level = (enum smb_fileinfo_level)level;
 751         if (st.generic.level >= RAW_FILEINFO_GENERIC) {
 752                 return NT_STATUS_INVALID_LEVEL;
 753         }
 754
 755         /* call the backend */
 756         status = ntvfs_qpathinfo(req, &st);
 757         if (!NT_STATUS_IS_OK(status)) {
 758                 return status;
 759         }
 760
 761         /* fill in the reply parameters */
 762         status = trans2_fileinfo_fill(req, trans, &st);
 763
 764         return status;
 765 }
 766
 767
 768 /*
 769   trans2 qpathinfo implementation
 770 */
 771 static NTSTATUS trans2_qfileinfo(struct smbsrv_request *req, struct smb_trans2 *trans)
 772 {
 773         union smb_fileinfo st;
 774         NTSTATUS status;
 775         uint16_t level;
 776
 777         /* make sure we got enough parameters */
 778         if (trans->in.params.length < 4) {
 779                 return NT_STATUS_FOOBAR;
 780         }
 781
 782         st.generic.in.fnum  = SVAL(trans->in.params.data, 0);
 783         level = SVAL(trans->in.params.data, 2);
 784
 785         /* work out the backend level - we make it 1-1 in the header */
 786         st.generic.level = (enum smb_fileinfo_level)level;
 787         if (st.generic.level >= RAW_FILEINFO_GENERIC) {
 788                 return NT_STATUS_INVALID_LEVEL;
 789         }
 790
 791         /* call the backend */
 792         status = ntvfs_qfileinfo(req, &st);
 793         if (!NT_STATUS_IS_OK(status)) {
 794                 return status;
 795         }
 796
 797         /* fill in the reply parameters */
 798         status = trans2_fileinfo_fill(req, trans, &st);
 799
 800         return status;
 801 }
 802
 803
 804 /*
 805   parse a trans2 setfileinfo/setpathinfo data blob
 806 */
 807 static NTSTATUS trans2_parse_sfileinfo(struct smbsrv_request *req,
 808                                        union smb_setfileinfo *st,
 809                                        const DATA_BLOB *blob)
 810 {
 811         uint32_t len;
 812
 813         switch (st->generic.level) {
 814         case RAW_SFILEINFO_GENERIC:
 815         case RAW_SFILEINFO_SETATTR:
 816         case RAW_SFILEINFO_SETATTRE:
 817         case RAW_SFILEINFO_SEC_DESC:
 818                 /* handled elsewhere */
 819                 return NT_STATUS_INVALID_LEVEL;
 820
 821         case RAW_SFILEINFO_STANDARD:
 822                 CHECK_MIN_BLOB_SIZE(blob, 12);
 823                 st->standard.in.create_time = srv_pull_dos_date2(req->smb_conn, blob->data + 0);
 824                 st->standard.in.access_time = srv_pull_dos_date2(req->smb_conn, blob->data + 4);
 825                 st->standard.in.write_time  = srv_pull_dos_date2(req->smb_conn, blob->data + 8);
 826                 return NT_STATUS_OK;
 827
 828         case RAW_SFILEINFO_EA_SET:
 829                 CHECK_MIN_BLOB_SIZE(blob, 4);
 830                 len = IVAL(blob->data, 0);
 831                 if (len > blob->length || len < 4) {
 832                         return NT_STATUS_INFO_LENGTH_MISMATCH;
 833                 }
 834                 {
 835                         DATA_BLOB blob2;
 836                         blob2.data = blob->data+4;
 837                         blob2.length = len-4;
 838                         len = ea_pull_struct(&blob2, req, &st->ea_set.in.ea);
 839                 }
 840                 if (len == 0) {
 841                         return NT_STATUS_INVALID_PARAMETER;
 842                 }
 843                 return NT_STATUS_OK;
 844
 845         case SMB_SFILEINFO_BASIC_INFO:
 846         case SMB_SFILEINFO_BASIC_INFORMATION:
 847                 CHECK_MIN_BLOB_SIZE(blob, 36);
 848                 st->basic_info.in.create_time = pull_nttime(blob->data,  0);
 849                 st->basic_info.in.access_time = pull_nttime(blob->data,  8);
 850                 st->basic_info.in.write_time =  pull_nttime(blob->data, 16);
 851                 st->basic_info.in.change_time = pull_nttime(blob->data, 24);
 852                 st->basic_info.in.attrib =      IVAL(blob->data,        32);
 853                 return NT_STATUS_OK;
 854
 855         case SMB_SFILEINFO_DISPOSITION_INFO:
 856         case SMB_SFILEINFO_DISPOSITION_INFORMATION:
 857                 CHECK_MIN_BLOB_SIZE(blob, 1);
 858                 st->disposition_info.in.delete_on_close = CVAL(blob->data, 0);
 859                 return NT_STATUS_OK;
 860
 861         case SMB_SFILEINFO_ALLOCATION_INFO:
 862         case SMB_SFILEINFO_ALLOCATION_INFORMATION:
 863                 CHECK_MIN_BLOB_SIZE(blob, 8);
 864                 st->allocation_info.in.alloc_size = BVAL(blob->data, 0);
 865                 return NT_STATUS_OK;
 866
 867         case RAW_SFILEINFO_END_OF_FILE_INFO:
 868         case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
 869                 CHECK_MIN_BLOB_SIZE(blob, 8);
 870                 st->end_of_file_info.in.size = BVAL(blob->data, 0);
 871                 return NT_STATUS_OK;
 872
 873         case RAW_SFILEINFO_RENAME_INFORMATION: {
 874                 DATA_BLOB blob2;
 875
 876                 CHECK_MIN_BLOB_SIZE(blob, 12);
 877                 st->rename_information.in.overwrite = CVAL(blob->data, 0);
 878                 st->rename_information.in.root_fid  = IVAL(blob->data, 4);
 879                 len                                 = IVAL(blob->data, 8);
 880                 blob2.data = blob->data+12;
 881                 blob2.length = MIN(blob->length, len);
 882                 trans2_pull_blob_string(req, &blob2, 0,
 883                                         &st->rename_information.in.new_name, STR_UNICODE);
 884                 return NT_STATUS_OK;
 885         }
 886
 887         case RAW_SFILEINFO_POSITION_INFORMATION:
 888                 CHECK_MIN_BLOB_SIZE(blob, 8);
 889                 st->position_information.in.position = BVAL(blob->data, 0);
 890                 return NT_STATUS_OK;
 891
 892         case RAW_SFILEINFO_MODE_INFORMATION:
 893                 CHECK_MIN_BLOB_SIZE(blob, 4);
 894                 st->mode_information.in.mode = IVAL(blob->data, 0);
 895                 return NT_STATUS_OK;
 896         }
 897
 898         return NT_STATUS_INVALID_LEVEL;
 899 }
 900
 901 /*
 902   trans2 setfileinfo implementation
 903 */
 904 static NTSTATUS trans2_setfileinfo(struct smbsrv_request *req, struct smb_trans2 *trans)
 905 {
 906         union smb_setfileinfo st;
 907         NTSTATUS status;
 908         uint16_t level, fnum;
 909         DATA_BLOB *blob;
 910
 911         /* make sure we got enough parameters */
 912         if (trans->in.params.length < 4) {
 913                 return NT_STATUS_FOOBAR;
 914         }
 915
 916         fnum  = SVAL(trans->in.params.data, 0);
 917         level = SVAL(trans->in.params.data, 2);
 918
 919         blob = &trans->in.data;
 920
 921         st.generic.file.fnum = fnum;
 922         st.generic.level = (enum smb_setfileinfo_level)level;
 923
 924         status = trans2_parse_sfileinfo(req, &st, blob);
 925         if (!NT_STATUS_IS_OK(status)) {
 926                 return status;
 927         }
 928
 929         status = ntvfs_setfileinfo(req, &st);
 930         if (!NT_STATUS_IS_OK(status)) {
 931                 return status;
 932         }
 933
 934         trans2_setup_reply(req, trans, 2, 0, 0);
 935         SSVAL(trans->out.params.data, 0, 0);
 936         return NT_STATUS_OK;
 937 }
 938
 939 /*
 940   trans2 setpathinfo implementation
 941 */
 942 static NTSTATUS trans2_setpathinfo(struct smbsrv_request *req, struct smb_trans2 *trans)
 943 {
 944         union smb_setfileinfo st;
 945         NTSTATUS status;
 946         uint16_t level;
 947         DATA_BLOB *blob;
 948
 949         /* make sure we got enough parameters */
 950         if (trans->in.params.length < 4) {
 951                 return NT_STATUS_FOOBAR;
 952         }
 953
 954         level = SVAL(trans->in.params.data, 0);
 955         blob = &trans->in.data;
 956         st.generic.level = (enum smb_setfileinfo_level)level;
 957
 958         trans2_pull_blob_string(req, &trans->in.params, 6, &st.generic.file.fname, 0);
 959         if (st.generic.file.fname == NULL) {
 960                 return NT_STATUS_FOOBAR;
 961         }
 962
 963         status = trans2_parse_sfileinfo(req, &st, blob);
 964         if (!NT_STATUS_IS_OK(status)) {
 965                 return status;
 966         }
 967
 968         status = ntvfs_setpathinfo(req, &st);
 969         if (!NT_STATUS_IS_OK(status)) {
 970                 return status;
 971         }
 972
 973         trans2_setup_reply(req, trans, 2, 0, 0);
 974         SSVAL(trans->out.params.data, 0, 0);
 975         return NT_STATUS_OK;
 976 }
 977
 978
 979 /* a structure to encapsulate the state information about an in-progress ffirst/fnext operation */
 980 struct find_state {
 981         struct smbsrv_request *req;
 982         struct smb_trans2 *trans;
 983         enum smb_search_level level;
 984         uint16_t last_entry_offset;
 985         uint16_t flags;
 986 };
 987
 988 /*
 989   fill a single entry in a trans2 find reply
 990 */
 991 static void find_fill_info(struct smbsrv_request *req,
 992                            struct smb_trans2 *trans,
 993                            struct find_state *state,
 994                            union smb_search_data *file)
 995 {
 996         uint8_t *data;
 997         uint_t ofs = trans->out.data.length;
 998
 999         switch (state->level) {
1000         case RAW_SEARCH_SEARCH:
1001         case RAW_SEARCH_FFIRST:
1002         case RAW_SEARCH_FUNIQUE:
1003         case RAW_SEARCH_GENERIC:
1004                 /* handled elsewhere */
1005                 break;
1006
1007         case RAW_SEARCH_STANDARD:
1008                 if (state->flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) {
1009                         trans2_grow_data(req, trans, ofs + 27);
1010                         SIVAL(trans->out.data.data, ofs, file->standard.resume_key);
1011                         ofs += 4;
1012                 } else {
1013                         trans2_grow_data(req, trans, ofs + 23);
1014                 }
1015                 data = trans->out.data.data + ofs;
1016                 srv_push_dos_date2(req->smb_conn, data, 0, file->standard.create_time);
1017                 srv_push_dos_date2(req->smb_conn, data, 4, file->standard.access_time);
1018                 srv_push_dos_date2(req->smb_conn, data, 8, file->standard.write_time);
1019                 SIVAL(data, 12, file->standard.size);
1020                 SIVAL(data, 16, file->standard.alloc_size);
1021                 SSVAL(data, 20, file->standard.attrib);
1022                 trans2_append_data_string(req, trans, &file->standard.name,
1023                                           ofs + 22, STR_LEN8BIT | STR_TERMINATE | STR_LEN_NOTERM);
1024                 break;
1025
1026         case RAW_SEARCH_EA_SIZE:
1027                 if (state->flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) {
1028                         trans2_grow_data(req, trans, ofs + 31);
1029                         SIVAL(trans->out.data.data, ofs, file->ea_size.resume_key);
1030                         ofs += 4;
1031                 } else {
1032                         trans2_grow_data(req, trans, ofs + 27);
1033                 }
1034                 data = trans->out.data.data + ofs;
1035                 srv_push_dos_date2(req->smb_conn, data, 0, file->ea_size.create_time);
1036                 srv_push_dos_date2(req->smb_conn, data, 4, file->ea_size.access_time);
1037                 srv_push_dos_date2(req->smb_conn, data, 8, file->ea_size.write_time);
1038                 SIVAL(data, 12, file->ea_size.size);
1039                 SIVAL(data, 16, file->ea_size.alloc_size);
1040                 SSVAL(data, 20, file->ea_size.attrib);
1041                 SIVAL(data, 22, file->ea_size.ea_size);
1042                 trans2_append_data_string(req, trans, &file->ea_size.name,
1043                                           ofs + 26, STR_LEN8BIT | STR_NOALIGN);
1044                 trans2_grow_data(req, trans, trans->out.data.length + 1);
1045                 trans->out.data.data[trans->out.data.length-1] = 0;
1046                 break;
1047
1048         case RAW_SEARCH_DIRECTORY_INFO:
1049                 trans2_grow_data(req, trans, ofs + 64);
1050                 data = trans->out.data.data + ofs;
1051                 SIVAL(data,          4, file->directory_info.file_index);
1052                 push_nttime(data,    8, file->directory_info.create_time);
1053                 push_nttime(data,   16, file->directory_info.access_time);
1054                 push_nttime(data,   24, file->directory_info.write_time);
1055                 push_nttime(data,   32, file->directory_info.change_time);
1056                 SBVAL(data,         40, file->directory_info.size);
1057                 SBVAL(data,         48, file->directory_info.alloc_size);
1058                 SIVAL(data,         56, file->directory_info.attrib);
1059                 trans2_append_data_string(req, trans, &file->directory_info.name,
1060                                           ofs + 60, STR_TERMINATE_ASCII);
1061                 data = trans->out.data.data + ofs;
1062                 SIVAL(data,          0, trans->out.data.length - ofs);
1063                 break;
1064
1065         case RAW_SEARCH_FULL_DIRECTORY_INFO:
1066                 trans2_grow_data(req, trans, ofs + 68);
1067                 data = trans->out.data.data + ofs;
1068                 SIVAL(data,          4, file->full_directory_info.file_index);
1069                 push_nttime(data,    8, file->full_directory_info.create_time);
1070                 push_nttime(data,   16, file->full_directory_info.access_time);
1071                 push_nttime(data,   24, file->full_directory_info.write_time);
1072                 push_nttime(data,   32, file->full_directory_info.change_time);
1073                 SBVAL(data,         40, file->full_directory_info.size);
1074                 SBVAL(data,         48, file->full_directory_info.alloc_size);
1075                 SIVAL(data,         56, file->full_directory_info.attrib);
1076                 SIVAL(data,         64, file->full_directory_info.ea_size);
1077                 trans2_append_data_string(req, trans, &file->full_directory_info.name,
1078                                           ofs + 60, STR_TERMINATE_ASCII);
1079                 data = trans->out.data.data + ofs;
1080                 SIVAL(data,          0, trans->out.data.length - ofs);
1081                 break;
1082
1083         case RAW_SEARCH_NAME_INFO:
1084                 trans2_grow_data(req, trans, ofs + 12);
1085                 data = trans->out.data.data + ofs;
1086                 SIVAL(data,          4, file->name_info.file_index);
1087                 trans2_append_data_string(req, trans, &file->name_info.name,
1088                                           ofs + 8, STR_TERMINATE_ASCII);
1089                 data = trans->out.data.data + ofs;
1090                 SIVAL(data,          0, trans->out.data.length - ofs);
1091                 break;
1092
1093         case RAW_SEARCH_BOTH_DIRECTORY_INFO:
1094                 trans2_grow_data(req, trans, ofs + 94);
1095                 data = trans->out.data.data + ofs;
1096                 SIVAL(data,          4, file->both_directory_info.file_index);
1097                 push_nttime(data,    8, file->both_directory_info.create_time);
1098                 push_nttime(data,   16, file->both_directory_info.access_time);
1099                 push_nttime(data,   24, file->both_directory_info.write_time);
1100                 push_nttime(data,   32, file->both_directory_info.change_time);
1101                 SBVAL(data,         40, file->both_directory_info.size);
1102                 SBVAL(data,         48, file->both_directory_info.alloc_size);
1103                 SIVAL(data,         56, file->both_directory_info.attrib);
1104                 SIVAL(data,         64, file->both_directory_info.ea_size);
1105                 SCVAL(data,         69, 0); /* reserved */
1106                 memset(data+70,0,24);
1107                 trans2_push_data_string(req, trans,
1108                                         68 + ofs, 70 + ofs,
1109                                         &file->both_directory_info.short_name,
1110                                         24, STR_UNICODE | STR_LEN8BIT);
1111                 trans2_append_data_string(req, trans, &file->both_directory_info.name,
1112                                           ofs + 60, STR_TERMINATE_ASCII);
1113                 trans2_align_data(req, trans);
1114                 data = trans->out.data.data + ofs;
1115                 SIVAL(data,          0, trans->out.data.length - ofs);
1116                 break;
1117
1118         case RAW_SEARCH_ID_FULL_DIRECTORY_INFO:
1119                 trans2_grow_data(req, trans, ofs + 80);
1120                 data = trans->out.data.data + ofs;
1121                 SIVAL(data,          4, file->id_full_directory_info.file_index);
1122                 push_nttime(data,    8, file->id_full_directory_info.create_time);
1123                 push_nttime(data,   16, file->id_full_directory_info.access_time);
1124                 push_nttime(data,   24, file->id_full_directory_info.write_time);
1125                 push_nttime(data,   32, file->id_full_directory_info.change_time);
1126                 SBVAL(data,         40, file->id_full_directory_info.size);
1127                 SBVAL(data,         48, file->id_full_directory_info.alloc_size);
1128                 SIVAL(data,         56, file->id_full_directory_info.attrib);
1129                 SIVAL(data,         64, file->id_full_directory_info.ea_size);
1130                 SIVAL(data,         68, 0); /* padding */
1131                 SBVAL(data,         72, file->id_full_directory_info.file_id);
1132                 trans2_append_data_string(req, trans, &file->id_full_directory_info.name,
1133                                           ofs + 60, STR_TERMINATE_ASCII);
1134                 data = trans->out.data.data + ofs;
1135                 SIVAL(data,          0, trans->out.data.length - ofs);
1136                 break;
1137
1138         case RAW_SEARCH_ID_BOTH_DIRECTORY_INFO:
1139                 trans2_grow_data(req, trans, ofs + 104);
1140                 data = trans->out.data.data + ofs;
1141                 SIVAL(data,          4, file->id_both_directory_info.file_index);
1142                 push_nttime(data,    8, file->id_both_directory_info.create_time);
1143                 push_nttime(data,   16, file->id_both_directory_info.access_time);
1144                 push_nttime(data,   24, file->id_both_directory_info.write_time);
1145                 push_nttime(data,   32, file->id_both_directory_info.change_time);
1146                 SBVAL(data,         40, file->id_both_directory_info.size);
1147                 SBVAL(data,         48, file->id_both_directory_info.alloc_size);
1148                 SIVAL(data,         56, file->id_both_directory_info.attrib);
1149                 SIVAL(data,         64, file->id_both_directory_info.ea_size);
1150                 SCVAL(data,         69, 0); /* reserved */
1151                 memset(data+70,0,26);
1152                 trans2_push_data_string(req, trans,
1153                                         68 + ofs, 70 + ofs,
1154                                         &file->id_both_directory_info.short_name,
1155                                         24, STR_UNICODE | STR_LEN8BIT);
1156                 SBVAL(data,         96, file->id_both_directory_info.file_id);
1157                 trans2_append_data_string(req, trans, &file->id_both_directory_info.name,
1158                                           ofs + 60, STR_TERMINATE_ASCII);
1159                 data = trans->out.data.data + ofs;
1160                 SIVAL(data,          0, trans->out.data.length - ofs);
1161                 break;
1162         }
1163 }
1164
1165 /* callback function for trans2 findfirst/findnext */
1166 static BOOL find_callback(void *private, union smb_search_data *file)
1167 {
1168         struct find_state *state = (struct find_state *)private;
1169         struct smb_trans2 *trans = state->trans;
1170         uint_t old_length;
1171
1172         old_length = trans->out.data.length;
1173
1174         find_fill_info(state->req, trans, state, file);
1175
1176         /* see if we have gone beyond the user specified maximum */
1177         if (trans->out.data.length > trans->in.max_data) {
1178                 /* restore the old length and tell the backend to stop */
1179                 trans2_grow_data(state->req, trans, old_length);
1180                 return False;
1181         }
1182
1183         state->last_entry_offset = old_length;
1184         return True;
1185 }
1186
1187
1188 /*
1189   trans2 findfirst implementation
1190 */
1191 static NTSTATUS trans2_findfirst(struct smbsrv_request *req, struct smb_trans2 *trans)
1192 {
1193         union smb_search_first search;
1194         NTSTATUS status;
1195         uint16_t level;
1196         uint8_t *param;
1197         struct find_state state;
1198
1199         /* make sure we got all the parameters */
1200         if (trans->in.params.length < 14) {
1201                 return NT_STATUS_FOOBAR;
1202         }
1203
1204         search.t2ffirst.in.search_attrib = SVAL(trans->in.params.data, 0);
1205         search.t2ffirst.in.max_count     = SVAL(trans->in.params.data, 2);
1206         search.t2ffirst.in.flags         = SVAL(trans->in.params.data, 4);
1207         level                            = SVAL(trans->in.params.data, 6);
1208         search.t2ffirst.in.storage_type  = IVAL(trans->in.params.data, 8);
1209
1210         trans2_pull_blob_string(req, &trans->in.params, 12, &search.t2ffirst.in.pattern, 0);
1211         if (search.t2ffirst.in.pattern == NULL) {
1212                 return NT_STATUS_FOOBAR;
1213         }
1214
1215         search.t2ffirst.level = (enum smb_search_level)level;
1216         if (search.t2ffirst.level >= RAW_SEARCH_GENERIC) {
1217                 return NT_STATUS_INVALID_LEVEL;
1218         }
1219
1220         /* setup the private state structure that the backend will give us in the callback */
1221         state.req = req;
1222         state.trans = trans;
1223         state.level = search.t2ffirst.level;
1224         state.last_entry_offset = 0;
1225         state.flags = search.t2ffirst.in.flags;
1226
1227         /* setup for just a header in the reply */
1228         trans2_setup_reply(req, trans, 10, 0, 0);
1229
1230         /* call the backend */
1231         status = ntvfs_search_first(req, &search, &state, find_callback);
1232         if (!NT_STATUS_IS_OK(status)) {
1233                 trans2_setup_reply(req, trans, 0, 0, 0);
1234                 return status;
1235         }
1236
1237         /* fill in the findfirst reply header */
1238         param = trans->out.params.data;
1239         SSVAL(param, VWV(0), search.t2ffirst.out.handle);
1240         SSVAL(param, VWV(1), search.t2ffirst.out.count);
1241         SSVAL(param, VWV(2), search.t2ffirst.out.end_of_search);
1242         SSVAL(param, VWV(3), 0);
1243         SSVAL(param, VWV(4), state.last_entry_offset);
1244
1245         return NT_STATUS_OK;
1246 }
1247
1248
1249 /*
1250   trans2 findnext implementation
1251 */
1252 static NTSTATUS trans2_findnext(struct smbsrv_request *req, struct smb_trans2 *trans)
1253 {
1254         union smb_search_next search;
1255         NTSTATUS status;
1256         uint16_t level;
1257         uint8_t *param;
1258         struct find_state state;
1259
1260         /* make sure we got all the parameters */
1261         if (trans->in.params.length < 12) {
1262                 return NT_STATUS_FOOBAR;
1263         }
1264
1265         search.t2fnext.in.handle        = SVAL(trans->in.params.data, 0);
1266         search.t2fnext.in.max_count     = SVAL(trans->in.params.data, 2);
1267         level                           = SVAL(trans->in.params.data, 4);
1268         search.t2fnext.in.resume_key    = IVAL(trans->in.params.data, 6);
1269         search.t2fnext.in.flags         = SVAL(trans->in.params.data, 10);
1270
1271         trans2_pull_blob_string(req, &trans->in.params, 12, &search.t2fnext.in.last_name, 0);
1272         if (search.t2fnext.in.last_name == NULL) {
1273                 return NT_STATUS_FOOBAR;
1274         }
1275
1276         search.t2fnext.level = (enum smb_search_level)level;
1277         if (search.t2fnext.level >= RAW_SEARCH_GENERIC) {
1278                 return NT_STATUS_INVALID_LEVEL;
1279         }
1280
1281         /* setup the private state structure that the backend will give us in the callback */
1282         state.req = req;
1283         state.trans = trans;
1284         state.level = search.t2fnext.level;
1285         state.last_entry_offset = 0;
1286         state.flags = search.t2fnext.in.flags;
1287
1288         /* setup for just a header in the reply */
1289         trans2_setup_reply(req, trans, 8, 0, 0);
1290
1291         /* call the backend */
1292         status = ntvfs_search_next(req, &search, &state, find_callback);
1293         if (!NT_STATUS_IS_OK(status)) {
1294                 return status;
1295         }
1296
1297         /* fill in the findfirst reply header */
1298         param = trans->out.params.data;
1299         SSVAL(param, VWV(0), search.t2fnext.out.count);
1300         SSVAL(param, VWV(1), search.t2fnext.out.end_of_search);
1301         SSVAL(param, VWV(2), 0);
1302         SSVAL(param, VWV(3), state.last_entry_offset);
1303
1304         return NT_STATUS_OK;
1305 }
1306
1307
1308 /*
1309   backend for trans2 requests
1310 */
1311 static NTSTATUS trans2_backend(struct smbsrv_request *req, struct smb_trans2 *trans)
1312 {
1313         NTSTATUS status;
1314
1315         /* direct trans2 pass thru */
1316         status = ntvfs_trans2(req, trans);
1317         if (!NT_STATUS_EQUAL(NT_STATUS_NOT_IMPLEMENTED, status)) {
1318                 return status;
1319         }
1320
1321         /* must have at least one setup word */
1322         if (trans->in.setup_count < 1) {
1323                 return NT_STATUS_FOOBAR;
1324         }
1325
1326         /* the trans2 command is in setup[0] */
1327         switch (trans->in.setup[0]) {
1328         case TRANSACT2_FINDFIRST:
1329                 return trans2_findfirst(req, trans);
1330         case TRANSACT2_FINDNEXT:
1331                 return trans2_findnext(req, trans);
1332         case TRANSACT2_QPATHINFO:
1333                 return trans2_qpathinfo(req, trans);
1334         case TRANSACT2_QFILEINFO:
1335                 return trans2_qfileinfo(req, trans);
1336         case TRANSACT2_SETFILEINFO:
1337                 return trans2_setfileinfo(req, trans);
1338         case TRANSACT2_SETPATHINFO:
1339                 return trans2_setpathinfo(req, trans);
1340         case TRANSACT2_QFSINFO:
1341                 return trans2_qfsinfo(req, trans);
1342         case TRANSACT2_OPEN:
1343                 return trans2_open(req, trans);
1344         case TRANSACT2_MKDIR:
1345                 return trans2_mkdir(req, trans);
1346         }
1347
1348         /* an unknown trans2 command */
1349         return NT_STATUS_FOOBAR;
1350 }
1351
1352 /****************************************************************************
1353  Reply to an SMBtrans or SMBtrans2 request
1354 ****************************************************************************/
1355 void reply_trans_generic(struct smbsrv_request *req, uint8_t command)
1356 {
1357         struct smb_trans2 trans;
1358         int i;
1359         uint16_t param_ofs, data_ofs;
1360         uint16_t param_count, data_count;
1361         uint16_t params_left, data_left;
1362         uint16_t param_total, data_total;
1363         uint8_t *params, *data;
1364         NTSTATUS status;
1365
1366         /* parse request */
1367         if (req->in.wct < 14) {
1368                 req_reply_error(req, NT_STATUS_FOOBAR);
1369                 return;
1370         }
1371
1372         param_total          = SVAL(req->in.vwv, VWV(0));
1373         data_total           = SVAL(req->in.vwv, VWV(1));
1374         trans.in.max_param   = SVAL(req->in.vwv, VWV(2));
1375         trans.in.max_data    = SVAL(req->in.vwv, VWV(3));
1376         trans.in.max_setup   = CVAL(req->in.vwv, VWV(4));
1377         trans.in.flags       = SVAL(req->in.vwv, VWV(5));
1378         trans.in.timeout     = IVAL(req->in.vwv, VWV(6));
1379         param_count          = SVAL(req->in.vwv, VWV(9));
1380         param_ofs            = SVAL(req->in.vwv, VWV(10));
1381         data_count           = SVAL(req->in.vwv, VWV(11));
1382         data_ofs             = SVAL(req->in.vwv, VWV(12));
1383         trans.in.setup_count = CVAL(req->in.vwv, VWV(13));
1384
1385         if (req->in.wct != 14 + trans.in.setup_count) {
1386                 req_reply_dos_error(req, ERRSRV, ERRerror);
1387                 return;
1388         }
1389
1390         /* parse out the setup words */
1391         trans.in.setup = talloc_array_p(req, uint16_t, trans.in.setup_count);
1392         if (trans.in.setup_count && !trans.in.setup) {
1393                 req_reply_error(req, NT_STATUS_NO_MEMORY);
1394                 return;
1395         }
1396         for (i=0;i<trans.in.setup_count;i++) {
1397                 trans.in.setup[i] = SVAL(req->in.vwv, VWV(14+i));
1398         }
1399
1400         if (command == SMBtrans) {
1401                 req_pull_string(req, &trans.in.trans_name, req->in.data, -1, STR_TERMINATE);
1402         }
1403
1404         if (!req_pull_blob(req, req->in.hdr + param_ofs, param_count, &trans.in.params) ||
1405             !req_pull_blob(req, req->in.hdr + data_ofs, data_count, &trans.in.data)) {
1406                 req_reply_error(req, NT_STATUS_FOOBAR);
1407                 return;
1408         }
1409
1410         /* is it a partial request? if so, then send a 'send more' message */
1411         if (param_total > param_count ||
1412             data_total > data_count) {
1413                 DEBUG(0,("REWRITE: not handling partial trans requests!\n"));
1414                 return;
1415         }
1416
1417         /* its a full request, give it to the backend */
1418         if (command == SMBtrans) {
1419                 status = ntvfs_trans(req, &trans);
1420         } else {
1421                 status = trans2_backend(req, &trans);
1422         }
1423
1424         if (NT_STATUS_IS_ERR(status)) {
1425                 req_reply_error(req, status);
1426                 return;
1427         }
1428
1429         params_left = trans.out.params.length;
1430         data_left   = trans.out.data.length;
1431         params      = trans.out.params.data;
1432         data        = trans.out.data.data;
1433
1434
1435         req_setup_reply(req, 10 + trans.out.setup_count, 0);
1436
1437         if (!NT_STATUS_IS_OK(status)) {
1438                 req_setup_error(req, status);
1439         }
1440
1441         /* we need to divide up the reply into chunks that fit into
1442            the negotiated buffer size */
1443         do {
1444                 uint16_t this_data, this_param, max_bytes;
1445                 uint_t align1 = 1, align2 = (params_left ? 2 : 0);
1446                 struct smbsrv_request *this_req;
1447
1448                 max_bytes = req_max_data(req) - (align1 + align2);
1449
1450                 this_param = params_left;
1451                 if (this_param > max_bytes) {
1452                         this_param = max_bytes;
1453                 }
1454                 max_bytes -= this_param;
1455
1456                 this_data = data_left;
1457                 if (this_data > max_bytes) {
1458                         this_data = max_bytes;
1459                 }
1460
1461                 /* don't destroy unless this is the last chunk */
1462                 if (params_left - this_param != 0 ||
1463                     data_left - this_data != 0) {
1464                         this_req = req_setup_secondary(req);
1465                 } else {
1466                         this_req = req;
1467                 }
1468
1469                 req_grow_data(this_req, this_param + this_data + (align1 + align2));
1470
1471                 SSVAL(this_req->out.vwv, VWV(0), trans.out.params.length);
1472                 SSVAL(this_req->out.vwv, VWV(1), trans.out.data.length);
1473                 SSVAL(this_req->out.vwv, VWV(2), 0);
1474
1475                 SSVAL(this_req->out.vwv, VWV(3), this_param);
1476                 SSVAL(this_req->out.vwv, VWV(4), align1 + PTR_DIFF(this_req->out.data, this_req->out.hdr));
1477                 SSVAL(this_req->out.vwv, VWV(5), PTR_DIFF(params, trans.out.params.data));
1478
1479                 SSVAL(this_req->out.vwv, VWV(6), this_data);
1480                 SSVAL(this_req->out.vwv, VWV(7), align1 + align2 +
1481                       PTR_DIFF(this_req->out.data + this_param, this_req->out.hdr));
1482                 SSVAL(this_req->out.vwv, VWV(8), PTR_DIFF(data, trans.out.data.data));
1483
1484                 SSVAL(this_req->out.vwv, VWV(9), trans.out.setup_count);
1485                 for (i=0;i<trans.out.setup_count;i++) {
1486                         SSVAL(this_req->out.vwv, VWV(10+i), trans.out.setup[i]);
1487                 }
1488
1489                 memset(this_req->out.data, 0, align1);
1490                 if (this_param != 0) {
1491                         memcpy(this_req->out.data + align1, params, this_param);
1492                 }
1493                 memset(this_req->out.data+this_param+align1, 0, align2);
1494                 if (this_data != 0) {
1495                         memcpy(this_req->out.data+this_param+align1+align2, data, this_data);
1496                 }
1497
1498                 params_left -= this_param;
1499                 data_left -= this_data;
1500                 params += this_param;
1501                 data += this_data;
1502
1503                 req_send_reply(this_req);
1504         } while (params_left != 0 || data_left != 0);
1505 }
1506
1507
1508 /****************************************************************************
1509  Reply to an SMBtrans2
1510 ****************************************************************************/
1511 void reply_trans2(struct smbsrv_request *req)
1512 {
1513         reply_trans_generic(req, SMBtrans2);
1514 }
1515
1516 /****************************************************************************
1517  Reply to an SMBtrans
1518 ****************************************************************************/
1519 void reply_trans(struct smbsrv_request *req)
1520 {
1521         reply_trans_generic(req, SMBtrans);
1522 }
1523
1524 /****************************************************************************
1525  Reply to an SMBtranss2 request
1526 ****************************************************************************/
1527 void reply_transs2(struct smbsrv_request *req)
1528 {
1529         req_reply_error(req, NT_STATUS_FOOBAR);
1530 }
1531
1532