source/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   fill in the reply from a qpathinfo or qfileinfo call
 408 */
 409 static NTSTATUS trans2_fileinfo_fill(struct smbsrv_request *req, struct smb_trans2 *trans,
 410                                      union smb_fileinfo *st)
 411 {
 412         uint_t i;
 413
 414         switch (st->generic.level) {
 415         case RAW_FILEINFO_GENERIC:
 416         case RAW_FILEINFO_GETATTR:
 417         case RAW_FILEINFO_GETATTRE:
 418                 /* handled elsewhere */
 419                 return NT_STATUS_INVALID_LEVEL;
 420
 421         case RAW_FILEINFO_BASIC_INFO:
 422         case RAW_FILEINFO_BASIC_INFORMATION:
 423                 trans2_setup_reply(req, trans, 2, 40, 0);
 424
 425                 SSVAL(trans->out.params.data, 0, 0);
 426                 push_nttime(trans->out.data.data,  0, st->basic_info.out.create_time);
 427                 push_nttime(trans->out.data.data,  8, st->basic_info.out.access_time);
 428                 push_nttime(trans->out.data.data, 16, st->basic_info.out.write_time);
 429                 push_nttime(trans->out.data.data, 24, st->basic_info.out.change_time);
 430                 SIVAL(trans->out.data.data,       32, st->basic_info.out.attrib);
 431                 SIVAL(trans->out.data.data,       36, 0); /* padding */
 432                 return NT_STATUS_OK;
 433
 434         case RAW_FILEINFO_STANDARD:
 435                 trans2_setup_reply(req, trans, 2, 22, 0);
 436
 437                 SSVAL(trans->out.params.data, 0, 0);
 438                 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 0, st->standard.out.create_time);
 439                 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 4, st->standard.out.access_time);
 440                 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 8, st->standard.out.write_time);
 441                 SIVAL(trans->out.data.data,        12, st->standard.out.size);
 442                 SIVAL(trans->out.data.data,        16, st->standard.out.alloc_size);
 443                 SSVAL(trans->out.data.data,        20, st->standard.out.attrib);
 444                 return NT_STATUS_OK;
 445
 446         case RAW_FILEINFO_EA_SIZE:
 447                 trans2_setup_reply(req, trans, 2, 26, 0);
 448
 449                 SSVAL(trans->out.params.data, 0, 0);
 450                 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 0, st->ea_size.out.create_time);
 451                 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 4, st->ea_size.out.access_time);
 452                 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 8, st->ea_size.out.write_time);
 453                 SIVAL(trans->out.data.data,        12, st->ea_size.out.size);
 454                 SIVAL(trans->out.data.data,        16, st->ea_size.out.alloc_size);
 455                 SSVAL(trans->out.data.data,        20, st->ea_size.out.attrib);
 456                 SIVAL(trans->out.data.data,        22, st->ea_size.out.ea_size);
 457                 return NT_STATUS_OK;
 458
 459         case RAW_FILEINFO_NETWORK_OPEN_INFORMATION:
 460                 trans2_setup_reply(req, trans, 2, 56, 0);
 461
 462                 SSVAL(trans->out.params.data, 0, 0);
 463                 push_nttime(trans->out.data.data,  0, st->network_open_information.out.create_time);
 464                 push_nttime(trans->out.data.data,  8, st->network_open_information.out.access_time);
 465                 push_nttime(trans->out.data.data, 16, st->network_open_information.out.write_time);
 466                 push_nttime(trans->out.data.data, 24, st->network_open_information.out.change_time);
 467                 SBVAL(trans->out.data.data,       32, st->network_open_information.out.alloc_size);
 468                 SBVAL(trans->out.data.data,       40, st->network_open_information.out.size);
 469                 SIVAL(trans->out.data.data,       48, st->network_open_information.out.attrib);
 470                 SIVAL(trans->out.data.data,       52, 0); /* padding */
 471                 return NT_STATUS_OK;
 472
 473         case RAW_FILEINFO_STANDARD_INFO:
 474         case RAW_FILEINFO_STANDARD_INFORMATION:
 475                 trans2_setup_reply(req, trans, 2, 24, 0);
 476                 SSVAL(trans->out.params.data, 0, 0);
 477                 SBVAL(trans->out.data.data,  0, st->standard_info.out.alloc_size);
 478                 SBVAL(trans->out.data.data,  8, st->standard_info.out.size);
 479                 SIVAL(trans->out.data.data, 16, st->standard_info.out.nlink);
 480                 SCVAL(trans->out.data.data, 20, st->standard_info.out.delete_pending);
 481                 SCVAL(trans->out.data.data, 21, st->standard_info.out.directory);
 482                 SSVAL(trans->out.data.data, 22, 0); /* padding */
 483                 return NT_STATUS_OK;
 484
 485         case RAW_FILEINFO_ATTRIBUTE_TAG_INFORMATION:
 486                 trans2_setup_reply(req, trans, 2, 8, 0);
 487                 SSVAL(trans->out.params.data, 0, 0);
 488                 SIVAL(trans->out.data.data,  0, st->attribute_tag_information.out.attrib);
 489                 SIVAL(trans->out.data.data,  4, st->attribute_tag_information.out.reparse_tag);
 490                 return NT_STATUS_OK;
 491
 492         case RAW_FILEINFO_EA_INFO:
 493         case RAW_FILEINFO_EA_INFORMATION:
 494                 trans2_setup_reply(req, trans, 2, 4, 0);
 495                 SSVAL(trans->out.params.data, 0, 0);
 496                 SIVAL(trans->out.data.data,  0, st->ea_info.out.ea_size);
 497                 return NT_STATUS_OK;
 498
 499         case RAW_FILEINFO_MODE_INFORMATION:
 500                 trans2_setup_reply(req, trans, 2, 4, 0);
 501                 SSVAL(trans->out.params.data, 0, 0);
 502                 SIVAL(trans->out.data.data,  0, st->mode_information.out.mode);
 503                 return NT_STATUS_OK;
 504
 505         case RAW_FILEINFO_ALIGNMENT_INFORMATION:
 506                 trans2_setup_reply(req, trans, 2, 4, 0);
 507                 SSVAL(trans->out.params.data, 0, 0);
 508                 SIVAL(trans->out.data.data,  0,
 509                       st->alignment_information.out.alignment_requirement);
 510                 return NT_STATUS_OK;
 511
 512         case RAW_FILEINFO_ALL_EAS:
 513                 if (st->all_eas.out.num_eas == 0) {
 514                         trans2_setup_reply(req, trans, 2, 4, 0);
 515                         SSVAL(trans->out.params.data, 0, 0);
 516                         SIVAL(trans->out.data.data,  0, 0);
 517                 } else {
 518                         uint32_t list_size = ea_list_size(st->all_eas.out.num_eas,
 519                                                         st->all_eas.out.eas);
 520                         trans2_setup_reply(req, trans, 2, list_size, 0);
 521                         SSVAL(trans->out.params.data, 0, 0);
 522                         ea_put_list(trans->out.data.data,
 523                                     st->all_eas.out.num_eas, st->all_eas.out.eas);
 524                 }
 525                 return NT_STATUS_OK;
 526
 527         case RAW_FILEINFO_ACCESS_INFORMATION:
 528                 trans2_setup_reply(req, trans, 2, 4, 0);
 529                 SSVAL(trans->out.params.data, 0, 0);
 530                 SIVAL(trans->out.data.data,  0, st->access_information.out.access_flags);
 531                 return NT_STATUS_OK;
 532
 533         case RAW_FILEINFO_POSITION_INFORMATION:
 534                 trans2_setup_reply(req, trans, 2, 8, 0);
 535                 SSVAL(trans->out.params.data, 0, 0);
 536                 SBVAL(trans->out.data.data,  0, st->position_information.out.position);
 537                 return NT_STATUS_OK;
 538
 539         case RAW_FILEINFO_COMPRESSION_INFO:
 540         case RAW_FILEINFO_COMPRESSION_INFORMATION:
 541                 trans2_setup_reply(req, trans, 2, 16, 0);
 542                 SSVAL(trans->out.params.data, 0, 0);
 543                 SBVAL(trans->out.data.data,  0, st->compression_info.out.compressed_size);
 544                 SSVAL(trans->out.data.data,  8, st->compression_info.out.format);
 545                 SCVAL(trans->out.data.data, 10, st->compression_info.out.unit_shift);
 546                 SCVAL(trans->out.data.data, 11, st->compression_info.out.chunk_shift);
 547                 SCVAL(trans->out.data.data, 12, st->compression_info.out.cluster_shift);
 548                 SSVAL(trans->out.data.data, 13, 0); /* 3 bytes padding */
 549                 SCVAL(trans->out.data.data, 15, 0);
 550                 return NT_STATUS_OK;
 551
 552         case RAW_FILEINFO_IS_NAME_VALID:
 553                 trans2_setup_reply(req, trans, 2, 0, 0);
 554                 SSVAL(trans->out.params.data, 0, 0);
 555                 return NT_STATUS_OK;
 556
 557         case RAW_FILEINFO_INTERNAL_INFORMATION:
 558                 trans2_setup_reply(req, trans, 2, 8, 0);
 559                 SSVAL(trans->out.params.data, 0, 0);
 560                 SBVAL(trans->out.data.data,  0, st->internal_information.out.file_id);
 561                 return NT_STATUS_OK;
 562
 563         case RAW_FILEINFO_ALL_INFO:
 564         case RAW_FILEINFO_ALL_INFORMATION:
 565                 trans2_setup_reply(req, trans, 2, 72, 0);
 566
 567                 SSVAL(trans->out.params.data, 0, 0);
 568                 push_nttime(trans->out.data.data,  0, st->all_info.out.create_time);
 569                 push_nttime(trans->out.data.data,  8, st->all_info.out.access_time);
 570                 push_nttime(trans->out.data.data, 16, st->all_info.out.write_time);
 571                 push_nttime(trans->out.data.data, 24, st->all_info.out.change_time);
 572                 SIVAL(trans->out.data.data,       32, st->all_info.out.attrib);
 573                 SIVAL(trans->out.data.data,       36, 0);
 574                 SBVAL(trans->out.data.data,       40, st->all_info.out.alloc_size);
 575                 SBVAL(trans->out.data.data,       48, st->all_info.out.size);
 576                 SIVAL(trans->out.data.data,       56, st->all_info.out.nlink);
 577                 SCVAL(trans->out.data.data,       60, st->all_info.out.delete_pending);
 578                 SCVAL(trans->out.data.data,       61, st->all_info.out.directory);
 579                 SSVAL(trans->out.data.data,       62, 0); /* padding */
 580                 SIVAL(trans->out.data.data,       64, st->all_info.out.ea_size);
 581                 trans2_append_data_string(req, trans, &st->all_info.out.fname,
 582                                           68, STR_UNICODE);
 583                 return NT_STATUS_OK;
 584
 585         case RAW_FILEINFO_NAME_INFO:
 586         case RAW_FILEINFO_NAME_INFORMATION:
 587                 trans2_setup_reply(req, trans, 2, 4, 0);
 588                 SSVAL(trans->out.params.data, 0, 0);
 589                 trans2_append_data_string(req, trans, &st->name_info.out.fname, 0, STR_UNICODE);
 590                 return NT_STATUS_OK;
 591
 592         case RAW_FILEINFO_ALT_NAME_INFO:
 593         case RAW_FILEINFO_ALT_NAME_INFORMATION:
 594                 trans2_setup_reply(req, trans, 2, 4, 0);
 595                 SSVAL(trans->out.params.data, 0, 0);
 596                 trans2_append_data_string(req, trans, &st->alt_name_info.out.fname, 0, STR_UNICODE);
 597                 return NT_STATUS_OK;
 598
 599         case RAW_FILEINFO_STREAM_INFO:
 600         case RAW_FILEINFO_STREAM_INFORMATION:
 601                 trans2_setup_reply(req, trans, 2, 0, 0);
 602
 603                 SSVAL(trans->out.params.data, 0, 0);
 604
 605                 for (i=0;i<st->stream_info.out.num_streams;i++) {
 606                         uint16_t data_size = trans->out.data.length;
 607                         char *data;
 608
 609                         trans2_grow_data(req, trans, data_size + 24);
 610                         data = trans->out.data.data + data_size;
 611                         SBVAL(data,  8, st->stream_info.out.streams[i].size);
 612                         SBVAL(data, 16, st->stream_info.out.streams[i].alloc_size);
 613                         trans2_append_data_string(req, trans,
 614                                                   &st->stream_info.out.streams[i].stream_name,
 615                                                   data_size + 4, STR_UNICODE);
 616                         if (i == st->stream_info.out.num_streams - 1) {
 617                                 SIVAL(trans->out.data.data, data_size, 0);
 618                         } else {
 619                                 trans2_grow_data_fill(req, trans, (trans->out.data.length+7)&~7);
 620                                 SIVAL(trans->out.data.data, data_size,
 621                                       trans->out.data.length - data_size);
 622                         }
 623                 }
 624                 return NT_STATUS_OK;
 625         }
 626
 627         return NT_STATUS_INVALID_LEVEL;
 628 }
 629
 630 /*
 631   trans2 qpathinfo implementation
 632 */
 633 static NTSTATUS trans2_qpathinfo(struct smbsrv_request *req, struct smb_trans2 *trans)
 634 {
 635         union smb_fileinfo st;
 636         NTSTATUS status;
 637         uint16_t level;
 638
 639         /* make sure we got enough parameters */
 640         if (trans->in.params.length < 2) {
 641                 return NT_STATUS_FOOBAR;
 642         }
 643
 644         level = SVAL(trans->in.params.data, 0);
 645
 646         trans2_pull_blob_string(req, &trans->in.params, 6, &st.generic.in.fname, 0);
 647         if (st.generic.in.fname == NULL) {
 648                 return NT_STATUS_FOOBAR;
 649         }
 650
 651         /* work out the backend level - we make it 1-1 in the header */
 652         st.generic.level = (enum smb_fileinfo_level)level;
 653         if (st.generic.level >= RAW_FILEINFO_GENERIC) {
 654                 return NT_STATUS_INVALID_LEVEL;
 655         }
 656
 657         /* call the backend */
 658         status = ntvfs_qpathinfo(req, &st);
 659         if (!NT_STATUS_IS_OK(status)) {
 660                 return status;
 661         }
 662
 663         /* fill in the reply parameters */
 664         status = trans2_fileinfo_fill(req, trans, &st);
 665
 666         return status;
 667 }
 668
 669
 670 /*
 671   trans2 qpathinfo implementation
 672 */
 673 static NTSTATUS trans2_qfileinfo(struct smbsrv_request *req, struct smb_trans2 *trans)
 674 {
 675         union smb_fileinfo st;
 676         NTSTATUS status;
 677         uint16_t level;
 678
 679         /* make sure we got enough parameters */
 680         if (trans->in.params.length < 4) {
 681                 return NT_STATUS_FOOBAR;
 682         }
 683
 684         st.generic.in.fnum  = SVAL(trans->in.params.data, 0);
 685         level = SVAL(trans->in.params.data, 2);
 686
 687         /* work out the backend level - we make it 1-1 in the header */
 688         st.generic.level = (enum smb_fileinfo_level)level;
 689         if (st.generic.level >= RAW_FILEINFO_GENERIC) {
 690                 return NT_STATUS_INVALID_LEVEL;
 691         }
 692
 693         /* call the backend */
 694         status = ntvfs_qfileinfo(req, &st);
 695         if (!NT_STATUS_IS_OK(status)) {
 696                 return status;
 697         }
 698
 699         /* fill in the reply parameters */
 700         status = trans2_fileinfo_fill(req, trans, &st);
 701
 702         return status;
 703 }
 704
 705
 706 /*
 707   parse a trans2 setfileinfo/setpathinfo data blob
 708 */
 709 static NTSTATUS trans2_parse_sfileinfo(struct smbsrv_request *req,
 710                                        union smb_setfileinfo *st,
 711                                        const DATA_BLOB *blob)
 712 {
 713         uint32_t len;
 714
 715         switch (st->generic.level) {
 716         case RAW_SFILEINFO_GENERIC:
 717         case RAW_SFILEINFO_SETATTR:
 718         case RAW_SFILEINFO_SETATTRE:
 719                 /* handled elsewhere */
 720                 return NT_STATUS_INVALID_LEVEL;
 721
 722         case RAW_SFILEINFO_STANDARD:
 723                 CHECK_MIN_BLOB_SIZE(blob, 12);
 724                 st->standard.in.create_time = srv_pull_dos_date2(req->smb_conn, blob->data + 0);
 725                 st->standard.in.access_time = srv_pull_dos_date2(req->smb_conn, blob->data + 4);
 726                 st->standard.in.write_time  = srv_pull_dos_date2(req->smb_conn, blob->data + 8);
 727                 return NT_STATUS_OK;
 728
 729         case RAW_SFILEINFO_EA_SET:
 730                 CHECK_MIN_BLOB_SIZE(blob, 4);
 731                 len = IVAL(blob->data, 0);
 732                 if (len > blob->length || len < 4) {
 733                         return NT_STATUS_INFO_LENGTH_MISMATCH;
 734                 }
 735                 {
 736                         DATA_BLOB blob2;
 737                         blob2.data = blob->data+4;
 738                         blob2.length = len-4;
 739                         len = ea_pull_struct(&blob2, req, &st->ea_set.in.ea);
 740                 }
 741                 if (len == 0) {
 742                         return NT_STATUS_INVALID_PARAMETER;
 743                 }
 744                 return NT_STATUS_OK;
 745
 746         case SMB_SFILEINFO_BASIC_INFO:
 747         case SMB_SFILEINFO_BASIC_INFORMATION:
 748                 CHECK_MIN_BLOB_SIZE(blob, 36);
 749                 st->basic_info.in.create_time = pull_nttime(blob->data,  0);
 750                 st->basic_info.in.access_time = pull_nttime(blob->data,  8);
 751                 st->basic_info.in.write_time =  pull_nttime(blob->data, 16);
 752                 st->basic_info.in.change_time = pull_nttime(blob->data, 24);
 753                 st->basic_info.in.attrib =      IVAL(blob->data,        32);
 754                 return NT_STATUS_OK;
 755
 756         case SMB_SFILEINFO_DISPOSITION_INFO:
 757         case SMB_SFILEINFO_DISPOSITION_INFORMATION:
 758                 CHECK_MIN_BLOB_SIZE(blob, 1);
 759                 st->disposition_info.in.delete_on_close = CVAL(blob->data, 0);
 760                 return NT_STATUS_OK;
 761
 762         case SMB_SFILEINFO_ALLOCATION_INFO:
 763         case SMB_SFILEINFO_ALLOCATION_INFORMATION:
 764                 CHECK_MIN_BLOB_SIZE(blob, 8);
 765                 st->allocation_info.in.alloc_size = BVAL(blob->data, 0);
 766                 return NT_STATUS_OK;
 767
 768         case RAW_SFILEINFO_END_OF_FILE_INFO:
 769         case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
 770                 CHECK_MIN_BLOB_SIZE(blob, 8);
 771                 st->end_of_file_info.in.size = BVAL(blob->data, 0);
 772                 return NT_STATUS_OK;
 773
 774         case RAW_SFILEINFO_RENAME_INFORMATION: {
 775                 DATA_BLOB blob2;
 776
 777                 CHECK_MIN_BLOB_SIZE(blob, 12);
 778                 st->rename_information.in.overwrite = CVAL(blob->data, 0);
 779                 st->rename_information.in.root_fid  = IVAL(blob->data, 4);
 780                 len                                 = IVAL(blob->data, 8);
 781                 blob2.data = blob->data+12;
 782                 blob2.length = MIN(blob->length, len);
 783                 trans2_pull_blob_string(req, &blob2, 0,
 784                                         &st->rename_information.in.new_name, STR_UNICODE);
 785                 return NT_STATUS_OK;
 786         }
 787
 788         case RAW_SFILEINFO_POSITION_INFORMATION:
 789                 CHECK_MIN_BLOB_SIZE(blob, 8);
 790                 st->position_information.in.position = BVAL(blob->data, 0);
 791                 return NT_STATUS_OK;
 792
 793         case RAW_SFILEINFO_MODE_INFORMATION:
 794                 CHECK_MIN_BLOB_SIZE(blob, 4);
 795                 st->mode_information.in.mode = IVAL(blob->data, 0);
 796                 return NT_STATUS_OK;
 797         }
 798
 799         return NT_STATUS_INVALID_LEVEL;
 800 }
 801
 802 /*
 803   trans2 setfileinfo implementation
 804 */
 805 static NTSTATUS trans2_setfileinfo(struct smbsrv_request *req, struct smb_trans2 *trans)
 806 {
 807         union smb_setfileinfo st;
 808         NTSTATUS status;
 809         uint16_t level, fnum;
 810         DATA_BLOB *blob;
 811
 812         /* make sure we got enough parameters */
 813         if (trans->in.params.length < 4) {
 814                 return NT_STATUS_FOOBAR;
 815         }
 816
 817         fnum  = SVAL(trans->in.params.data, 0);
 818         level = SVAL(trans->in.params.data, 2);
 819
 820         blob = &trans->in.data;
 821
 822         st.generic.file.fnum = fnum;
 823         st.generic.level = (enum smb_setfileinfo_level)level;
 824
 825         status = trans2_parse_sfileinfo(req, &st, blob);
 826         if (!NT_STATUS_IS_OK(status)) {
 827                 return status;
 828         }
 829
 830         status = ntvfs_setfileinfo(req, &st);
 831         if (!NT_STATUS_IS_OK(status)) {
 832                 return status;
 833         }
 834
 835         trans2_setup_reply(req, trans, 2, 0, 0);
 836         SSVAL(trans->out.params.data, 0, 0);
 837         return NT_STATUS_OK;
 838 }
 839
 840 /*
 841   trans2 setpathinfo implementation
 842 */
 843 static NTSTATUS trans2_setpathinfo(struct smbsrv_request *req, struct smb_trans2 *trans)
 844 {
 845         union smb_setfileinfo st;
 846         NTSTATUS status;
 847         uint16_t level;
 848         DATA_BLOB *blob;
 849
 850         /* make sure we got enough parameters */
 851         if (trans->in.params.length < 4) {
 852                 return NT_STATUS_FOOBAR;
 853         }
 854
 855         level = SVAL(trans->in.params.data, 0);
 856         blob = &trans->in.data;
 857         st.generic.level = (enum smb_setfileinfo_level)level;
 858
 859         trans2_pull_blob_string(req, &trans->in.params, 6, &st.generic.file.fname, 0);
 860         if (st.generic.file.fname == NULL) {
 861                 return NT_STATUS_FOOBAR;
 862         }
 863
 864         status = trans2_parse_sfileinfo(req, &st, blob);
 865         if (!NT_STATUS_IS_OK(status)) {
 866                 return status;
 867         }
 868
 869         status = ntvfs_setpathinfo(req, &st);
 870         if (!NT_STATUS_IS_OK(status)) {
 871                 return status;
 872         }
 873
 874         trans2_setup_reply(req, trans, 2, 0, 0);
 875         SSVAL(trans->out.params.data, 0, 0);
 876         return NT_STATUS_OK;
 877 }
 878
 879
 880 /* a structure to encapsulate the state information about an in-progress ffirst/fnext operation */
 881 struct find_state {
 882         struct smbsrv_request *req;
 883         struct smb_trans2 *trans;
 884         enum smb_search_level level;
 885         uint16_t last_entry_offset;
 886         uint16_t flags;
 887 };
 888
 889 /*
 890   fill a single entry in a trans2 find reply
 891 */
 892 static void find_fill_info(struct smbsrv_request *req,
 893                            struct smb_trans2 *trans,
 894                            struct find_state *state,
 895                            union smb_search_data *file)
 896 {
 897         char *data;
 898         uint_t ofs = trans->out.data.length;
 899
 900         switch (state->level) {
 901         case RAW_SEARCH_SEARCH:
 902         case RAW_SEARCH_FFIRST:
 903         case RAW_SEARCH_FUNIQUE:
 904         case RAW_SEARCH_GENERIC:
 905                 /* handled elsewhere */
 906                 break;
 907
 908         case RAW_SEARCH_STANDARD:
 909                 if (state->flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) {
 910                         trans2_grow_data(req, trans, ofs + 27);
 911                         SIVAL(trans->out.data.data, ofs, file->standard.resume_key);
 912                         ofs += 4;
 913                 } else {
 914                         trans2_grow_data(req, trans, ofs + 23);
 915                 }
 916                 data = trans->out.data.data + ofs;
 917                 srv_push_dos_date2(req->smb_conn, data, 0, file->standard.create_time);
 918                 srv_push_dos_date2(req->smb_conn, data, 4, file->standard.access_time);
 919                 srv_push_dos_date2(req->smb_conn, data, 8, file->standard.write_time);
 920                 SIVAL(data, 12, file->standard.size);
 921                 SIVAL(data, 16, file->standard.alloc_size);
 922                 SSVAL(data, 20, file->standard.attrib);
 923                 trans2_append_data_string(req, trans, &file->standard.name,
 924                                           ofs + 22, STR_LEN8BIT | STR_TERMINATE | STR_LEN_NOTERM);
 925                 break;
 926
 927         case RAW_SEARCH_EA_SIZE:
 928                 if (state->flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) {
 929                         trans2_grow_data(req, trans, ofs + 31);
 930                         SIVAL(trans->out.data.data, ofs, file->ea_size.resume_key);
 931                         ofs += 4;
 932                 } else {
 933                         trans2_grow_data(req, trans, ofs + 27);
 934                 }
 935                 data = trans->out.data.data + ofs;
 936                 srv_push_dos_date2(req->smb_conn, data, 0, file->ea_size.create_time);
 937                 srv_push_dos_date2(req->smb_conn, data, 4, file->ea_size.access_time);
 938                 srv_push_dos_date2(req->smb_conn, data, 8, file->ea_size.write_time);
 939                 SIVAL(data, 12, file->ea_size.size);
 940                 SIVAL(data, 16, file->ea_size.alloc_size);
 941                 SSVAL(data, 20, file->ea_size.attrib);
 942                 SIVAL(data, 22, file->ea_size.ea_size);
 943                 trans2_append_data_string(req, trans, &file->ea_size.name,
 944                                           ofs + 26, STR_LEN8BIT | STR_NOALIGN);
 945                 trans2_grow_data(req, trans, trans->out.data.length + 1);
 946                 trans->out.data.data[trans->out.data.length-1] = 0;
 947                 break;
 948
 949         case RAW_SEARCH_DIRECTORY_INFO:
 950                 trans2_grow_data(req, trans, ofs + 64);
 951                 data = trans->out.data.data + ofs;
 952                 SIVAL(data,          4, file->directory_info.file_index);
 953                 push_nttime(data,    8, file->directory_info.create_time);
 954                 push_nttime(data,   16, file->directory_info.access_time);
 955                 push_nttime(data,   24, file->directory_info.write_time);
 956                 push_nttime(data,   32, file->directory_info.change_time);
 957                 SBVAL(data,         40, file->directory_info.size);
 958                 SBVAL(data,         48, file->directory_info.alloc_size);
 959                 SIVAL(data,         56, file->directory_info.attrib);
 960                 trans2_append_data_string(req, trans, &file->directory_info.name,
 961                                           ofs + 60, STR_TERMINATE_ASCII);
 962                 data = trans->out.data.data + ofs;
 963                 SIVAL(data,          0, trans->out.data.length - ofs);
 964                 break;
 965
 966         case RAW_SEARCH_FULL_DIRECTORY_INFO:
 967                 trans2_grow_data(req, trans, ofs + 68);
 968                 data = trans->out.data.data + ofs;
 969                 SIVAL(data,          4, file->full_directory_info.file_index);
 970                 push_nttime(data,    8, file->full_directory_info.create_time);
 971                 push_nttime(data,   16, file->full_directory_info.access_time);
 972                 push_nttime(data,   24, file->full_directory_info.write_time);
 973                 push_nttime(data,   32, file->full_directory_info.change_time);
 974                 SBVAL(data,         40, file->full_directory_info.size);
 975                 SBVAL(data,         48, file->full_directory_info.alloc_size);
 976                 SIVAL(data,         56, file->full_directory_info.attrib);
 977                 SIVAL(data,         64, file->full_directory_info.ea_size);
 978                 trans2_append_data_string(req, trans, &file->full_directory_info.name,
 979                                           ofs + 60, STR_TERMINATE_ASCII);
 980                 data = trans->out.data.data + ofs;
 981                 SIVAL(data,          0, trans->out.data.length - ofs);
 982                 break;
 983
 984         case RAW_SEARCH_NAME_INFO:
 985                 trans2_grow_data(req, trans, ofs + 12);
 986                 data = trans->out.data.data + ofs;
 987                 SIVAL(data,          4, file->name_info.file_index);
 988                 trans2_append_data_string(req, trans, &file->name_info.name,
 989                                           ofs + 8, STR_TERMINATE_ASCII);
 990                 data = trans->out.data.data + ofs;
 991                 SIVAL(data,          0, trans->out.data.length - ofs);
 992                 break;
 993
 994         case RAW_SEARCH_BOTH_DIRECTORY_INFO:
 995                 trans2_grow_data(req, trans, ofs + 94);
 996                 data = trans->out.data.data + ofs;
 997                 SIVAL(data,          4, file->both_directory_info.file_index);
 998                 push_nttime(data,    8, file->both_directory_info.create_time);
 999                 push_nttime(data,   16, file->both_directory_info.access_time);
1000                 push_nttime(data,   24, file->both_directory_info.write_time);
1001                 push_nttime(data,   32, file->both_directory_info.change_time);
1002                 SBVAL(data,         40, file->both_directory_info.size);
1003                 SBVAL(data,         48, file->both_directory_info.alloc_size);
1004                 SIVAL(data,         56, file->both_directory_info.attrib);
1005                 SIVAL(data,         64, file->both_directory_info.ea_size);
1006                 SCVAL(data,         69, 0); /* reserved */
1007                 memset(data+70,0,24);
1008                 trans2_push_data_string(req, trans,
1009                                         68 + ofs, 70 + ofs,
1010                                         &file->both_directory_info.short_name,
1011                                         24, STR_UNICODE | STR_LEN8BIT);
1012                 trans2_append_data_string(req, trans, &file->both_directory_info.name,
1013                                           ofs + 60, STR_TERMINATE_ASCII);
1014                 trans2_align_data(req, trans);
1015                 data = trans->out.data.data + ofs;
1016                 SIVAL(data,          0, trans->out.data.length - ofs);
1017                 break;
1018
1019         case RAW_SEARCH_ID_FULL_DIRECTORY_INFO:
1020                 trans2_grow_data(req, trans, ofs + 80);
1021                 data = trans->out.data.data + ofs;
1022                 SIVAL(data,          4, file->id_full_directory_info.file_index);
1023                 push_nttime(data,    8, file->id_full_directory_info.create_time);
1024                 push_nttime(data,   16, file->id_full_directory_info.access_time);
1025                 push_nttime(data,   24, file->id_full_directory_info.write_time);
1026                 push_nttime(data,   32, file->id_full_directory_info.change_time);
1027                 SBVAL(data,         40, file->id_full_directory_info.size);
1028                 SBVAL(data,         48, file->id_full_directory_info.alloc_size);
1029                 SIVAL(data,         56, file->id_full_directory_info.attrib);
1030                 SIVAL(data,         64, file->id_full_directory_info.ea_size);
1031                 SIVAL(data,         68, 0); /* padding */
1032                 SBVAL(data,         72, file->id_full_directory_info.file_id);
1033                 trans2_append_data_string(req, trans, &file->id_full_directory_info.name,
1034                                           ofs + 60, STR_TERMINATE_ASCII);
1035                 data = trans->out.data.data + ofs;
1036                 SIVAL(data,          0, trans->out.data.length - ofs);
1037                 break;
1038
1039         case RAW_SEARCH_ID_BOTH_DIRECTORY_INFO:
1040                 trans2_grow_data(req, trans, ofs + 104);
1041                 data = trans->out.data.data + ofs;
1042                 SIVAL(data,          4, file->id_both_directory_info.file_index);
1043                 push_nttime(data,    8, file->id_both_directory_info.create_time);
1044                 push_nttime(data,   16, file->id_both_directory_info.access_time);
1045                 push_nttime(data,   24, file->id_both_directory_info.write_time);
1046                 push_nttime(data,   32, file->id_both_directory_info.change_time);
1047                 SBVAL(data,         40, file->id_both_directory_info.size);
1048                 SBVAL(data,         48, file->id_both_directory_info.alloc_size);
1049                 SIVAL(data,         56, file->id_both_directory_info.attrib);
1050                 SIVAL(data,         64, file->id_both_directory_info.ea_size);
1051                 SCVAL(data,         69, 0); /* reserved */
1052                 memset(data+70,0,26);
1053                 trans2_push_data_string(req, trans,
1054                                         68 + ofs, 70 + ofs,
1055                                         &file->id_both_directory_info.short_name,
1056                                         24, STR_UNICODE | STR_LEN8BIT);
1057                 SBVAL(data,         96, file->id_both_directory_info.file_id);
1058                 trans2_append_data_string(req, trans, &file->id_both_directory_info.name,
1059                                           ofs + 60, STR_TERMINATE_ASCII);
1060                 data = trans->out.data.data + ofs;
1061                 SIVAL(data,          0, trans->out.data.length - ofs);
1062                 break;
1063         }
1064 }
1065
1066 /* callback function for trans2 findfirst/findnext */
1067 static BOOL find_callback(void *private, union smb_search_data *file)
1068 {
1069         struct find_state *state = (struct find_state *)private;
1070         struct smb_trans2 *trans = state->trans;
1071         uint_t old_length;
1072
1073         old_length = trans->out.data.length;
1074
1075         find_fill_info(state->req, trans, state, file);
1076
1077         /* see if we have gone beyond the user specified maximum */
1078         if (trans->out.data.length > trans->in.max_data) {
1079                 /* restore the old length and tell the backend to stop */
1080                 trans2_grow_data(state->req, trans, old_length);
1081                 return False;
1082         }
1083
1084         state->last_entry_offset = old_length;
1085         return True;
1086 }
1087
1088
1089 /*
1090   trans2 findfirst implementation
1091 */
1092 static NTSTATUS trans2_findfirst(struct smbsrv_request *req, struct smb_trans2 *trans)
1093 {
1094         union smb_search_first search;
1095         NTSTATUS status;
1096         uint16_t level;
1097         char *param;
1098         struct find_state state;
1099
1100         /* make sure we got all the parameters */
1101         if (trans->in.params.length < 14) {
1102                 return NT_STATUS_FOOBAR;
1103         }
1104
1105         search.t2ffirst.in.search_attrib = SVAL(trans->in.params.data, 0);
1106         search.t2ffirst.in.max_count     = SVAL(trans->in.params.data, 2);
1107         search.t2ffirst.in.flags         = SVAL(trans->in.params.data, 4);
1108         level                            = SVAL(trans->in.params.data, 6);
1109         search.t2ffirst.in.storage_type  = IVAL(trans->in.params.data, 8);
1110
1111         trans2_pull_blob_string(req, &trans->in.params, 12, &search.t2ffirst.in.pattern, 0);
1112         if (search.t2ffirst.in.pattern == NULL) {
1113                 return NT_STATUS_FOOBAR;
1114         }
1115
1116         search.t2ffirst.level = (enum smb_search_level)level;
1117         if (search.t2ffirst.level >= RAW_SEARCH_GENERIC) {
1118                 return NT_STATUS_INVALID_LEVEL;
1119         }
1120
1121         /* setup the private state structure that the backend will give us in the callback */
1122         state.req = req;
1123         state.trans = trans;
1124         state.level = search.t2ffirst.level;
1125         state.last_entry_offset = 0;
1126         state.flags = search.t2ffirst.in.flags;
1127
1128         /* setup for just a header in the reply */
1129         trans2_setup_reply(req, trans, 10, 0, 0);
1130
1131         /* call the backend */
1132         status = ntvfs_search_first(req, &search, &state, find_callback);
1133         if (!NT_STATUS_IS_OK(status)) {
1134                 trans2_setup_reply(req, trans, 0, 0, 0);
1135                 return status;
1136         }
1137
1138         /* fill in the findfirst reply header */
1139         param = trans->out.params.data;
1140         SSVAL(param, VWV(0), search.t2ffirst.out.handle);
1141         SSVAL(param, VWV(1), search.t2ffirst.out.count);
1142         SSVAL(param, VWV(2), search.t2ffirst.out.end_of_search);
1143         SSVAL(param, VWV(3), 0);
1144         SSVAL(param, VWV(4), state.last_entry_offset);
1145
1146         return NT_STATUS_OK;
1147 }
1148
1149
1150 /*
1151   trans2 findnext implementation
1152 */
1153 static NTSTATUS trans2_findnext(struct smbsrv_request *req, struct smb_trans2 *trans)
1154 {
1155         union smb_search_next search;
1156         NTSTATUS status;
1157         uint16_t level;
1158         char *param;
1159         struct find_state state;
1160
1161         /* make sure we got all the parameters */
1162         if (trans->in.params.length < 12) {
1163                 return NT_STATUS_FOOBAR;
1164         }
1165
1166         search.t2fnext.in.handle        = SVAL(trans->in.params.data, 0);
1167         search.t2fnext.in.max_count     = SVAL(trans->in.params.data, 2);
1168         level                           = SVAL(trans->in.params.data, 4);
1169         search.t2fnext.in.resume_key    = IVAL(trans->in.params.data, 6);
1170         search.t2fnext.in.flags         = SVAL(trans->in.params.data, 10);
1171
1172         trans2_pull_blob_string(req, &trans->in.params, 12, &search.t2fnext.in.last_name, 0);
1173         if (search.t2fnext.in.last_name == NULL) {
1174                 return NT_STATUS_FOOBAR;
1175         }
1176
1177         search.t2fnext.level = (enum smb_search_level)level;
1178         if (search.t2fnext.level >= RAW_SEARCH_GENERIC) {
1179                 return NT_STATUS_INVALID_LEVEL;
1180         }
1181
1182         /* setup the private state structure that the backend will give us in the callback */
1183         state.req = req;
1184         state.trans = trans;
1185         state.level = search.t2fnext.level;
1186         state.last_entry_offset = 0;
1187         state.flags = search.t2fnext.in.flags;
1188
1189         /* setup for just a header in the reply */
1190         trans2_setup_reply(req, trans, 8, 0, 0);
1191
1192         /* call the backend */
1193         status = ntvfs_search_next(req, &search, &state, find_callback);
1194         if (!NT_STATUS_IS_OK(status)) {
1195                 return status;
1196         }
1197
1198         /* fill in the findfirst reply header */
1199         param = trans->out.params.data;
1200         SSVAL(param, VWV(0), search.t2fnext.out.count);
1201         SSVAL(param, VWV(1), search.t2fnext.out.end_of_search);
1202         SSVAL(param, VWV(2), 0);
1203         SSVAL(param, VWV(3), state.last_entry_offset);
1204
1205         return NT_STATUS_OK;
1206 }
1207
1208
1209 /*
1210   backend for trans2 requests
1211 */
1212 static NTSTATUS trans2_backend(struct smbsrv_request *req, struct smb_trans2 *trans)
1213 {
1214         NTSTATUS status;
1215
1216         /* direct trans2 pass thru */
1217         status = ntvfs_trans2(req, trans);
1218         if (!NT_STATUS_EQUAL(NT_STATUS_NOT_IMPLEMENTED, status)) {
1219                 return status;
1220         }
1221
1222         /* must have at least one setup word */
1223         if (trans->in.setup_count < 1) {
1224                 return NT_STATUS_FOOBAR;
1225         }
1226
1227         /* the trans2 command is in setup[0] */
1228         switch (trans->in.setup[0]) {
1229         case TRANSACT2_FINDFIRST:
1230                 return trans2_findfirst(req, trans);
1231         case TRANSACT2_FINDNEXT:
1232                 return trans2_findnext(req, trans);
1233         case TRANSACT2_QPATHINFO:
1234                 return trans2_qpathinfo(req, trans);
1235         case TRANSACT2_QFILEINFO:
1236                 return trans2_qfileinfo(req, trans);
1237         case TRANSACT2_SETFILEINFO:
1238                 return trans2_setfileinfo(req, trans);
1239         case TRANSACT2_SETPATHINFO:
1240                 return trans2_setpathinfo(req, trans);
1241         case TRANSACT2_QFSINFO:
1242                 return trans2_qfsinfo(req, trans);
1243         }
1244
1245         /* an unknown trans2 command */
1246         return NT_STATUS_FOOBAR;
1247 }
1248
1249 /****************************************************************************
1250  Reply to an SMBtrans or SMBtrans2 request
1251 ****************************************************************************/
1252 void reply_trans_generic(struct smbsrv_request *req, uint8_t command)
1253 {
1254         struct smb_trans2 trans;
1255         int i;
1256         uint16_t param_ofs, data_ofs;
1257         uint16_t param_count, data_count;
1258         uint16_t params_left, data_left;
1259         uint16_t param_total, data_total;
1260         char *params, *data;
1261         NTSTATUS status;
1262
1263         /* parse request */
1264         if (req->in.wct < 14) {
1265                 req_reply_error(req, NT_STATUS_FOOBAR);
1266                 return;
1267         }
1268
1269         param_total          = SVAL(req->in.vwv, VWV(0));
1270         data_total           = SVAL(req->in.vwv, VWV(1));
1271         trans.in.max_param   = SVAL(req->in.vwv, VWV(2));
1272         trans.in.max_data    = SVAL(req->in.vwv, VWV(3));
1273         trans.in.max_setup   = CVAL(req->in.vwv, VWV(4));
1274         trans.in.flags       = SVAL(req->in.vwv, VWV(5));
1275         trans.in.timeout     = IVAL(req->in.vwv, VWV(6));
1276         param_count          = SVAL(req->in.vwv, VWV(9));
1277         param_ofs            = SVAL(req->in.vwv, VWV(10));
1278         data_count           = SVAL(req->in.vwv, VWV(11));
1279         data_ofs             = SVAL(req->in.vwv, VWV(12));
1280         trans.in.setup_count = CVAL(req->in.vwv, VWV(13));
1281
1282         if (req->in.wct != 14 + trans.in.setup_count) {
1283                 req_reply_dos_error(req, ERRSRV, ERRerror);
1284                 return;
1285         }
1286
1287         /* parse out the setup words */
1288         trans.in.setup = talloc(req, trans.in.setup_count * sizeof(uint16_t));
1289         if (trans.in.setup_count && !trans.in.setup) {
1290                 req_reply_error(req, NT_STATUS_NO_MEMORY);
1291                 return;
1292         }
1293         for (i=0;i<trans.in.setup_count;i++) {
1294                 trans.in.setup[i] = SVAL(req->in.vwv, VWV(14+i));
1295         }
1296
1297         if (command == SMBtrans) {
1298                 req_pull_string(req, &trans.in.trans_name, req->in.data, -1, STR_TERMINATE);
1299         }
1300
1301         if (!req_pull_blob(req, req->in.hdr + param_ofs, param_count, &trans.in.params) ||
1302             !req_pull_blob(req, req->in.hdr + data_ofs, data_count, &trans.in.data)) {
1303                 req_reply_error(req, NT_STATUS_FOOBAR);
1304                 return;
1305         }
1306
1307         /* is it a partial request? if so, then send a 'send more' message */
1308         if (param_total > param_count ||
1309             data_total > data_count) {
1310                 DEBUG(0,("REWRITE: not handling partial trans requests!\n"));
1311                 return;
1312         }
1313
1314         /* its a full request, give it to the backend */
1315         if (command == SMBtrans) {
1316                 status = ntvfs_trans(req, &trans);
1317         } else {
1318                 status = trans2_backend(req, &trans);
1319         }
1320
1321         if (NT_STATUS_IS_ERR(status)) {
1322                 req_reply_error(req, status);
1323                 return;
1324         }
1325
1326         params_left = trans.out.params.length;
1327         data_left   = trans.out.data.length;
1328         params      = trans.out.params.data;
1329         data        = trans.out.data.data;
1330
1331
1332         req_setup_reply(req, 10 + trans.out.setup_count, 0);
1333
1334         if (!NT_STATUS_IS_OK(status)) {
1335                 req_setup_error(req, status);
1336         }
1337
1338         /* we need to divide up the reply into chunks that fit into
1339            the negotiated buffer size */
1340         do {
1341                 uint16_t this_data, this_param, max_bytes;
1342                 uint_t align1 = 1, align2 = (params_left ? 2 : 0);
1343                 struct smbsrv_request *this_req;
1344
1345                 max_bytes = req_max_data(req) - (align1 + align2);
1346
1347                 this_param = params_left;
1348                 if (this_param > max_bytes) {
1349                         this_param = max_bytes;
1350                 }
1351                 max_bytes -= this_param;
1352
1353                 this_data = data_left;
1354                 if (this_data > max_bytes) {
1355                         this_data = max_bytes;
1356                 }
1357
1358                 /* don't destroy unless this is the last chunk */
1359                 if (params_left - this_param != 0 ||
1360                     data_left - this_data != 0) {
1361                         this_req = req_setup_secondary(req);
1362                 } else {
1363                         this_req = req;
1364                 }
1365
1366                 req_grow_data(this_req, this_param + this_data + (align1 + align2));
1367
1368                 SSVAL(this_req->out.vwv, VWV(0), trans.out.params.length);
1369                 SSVAL(this_req->out.vwv, VWV(1), trans.out.data.length);
1370                 SSVAL(this_req->out.vwv, VWV(2), 0);
1371
1372                 SSVAL(this_req->out.vwv, VWV(3), this_param);
1373                 SSVAL(this_req->out.vwv, VWV(4), align1 + PTR_DIFF(this_req->out.data, this_req->out.hdr));
1374                 SSVAL(this_req->out.vwv, VWV(5), PTR_DIFF(params, trans.out.params.data));
1375
1376                 SSVAL(this_req->out.vwv, VWV(6), this_data);
1377                 SSVAL(this_req->out.vwv, VWV(7), align1 + align2 +
1378                       PTR_DIFF(this_req->out.data + this_param, this_req->out.hdr));
1379                 SSVAL(this_req->out.vwv, VWV(8), PTR_DIFF(data, trans.out.data.data));
1380
1381                 SSVAL(this_req->out.vwv, VWV(9), trans.out.setup_count);
1382                 for (i=0;i<trans.out.setup_count;i++) {
1383                         SSVAL(this_req->out.vwv, VWV(10+i), trans.out.setup[i]);
1384                 }
1385
1386                 memset(this_req->out.data, 0, align1);
1387                 if (this_param != 0) {
1388                         memcpy(this_req->out.data + align1, params, this_param);
1389                 }
1390                 memset(this_req->out.data+this_param+align1, 0, align2);
1391                 if (this_data != 0) {
1392                         memcpy(this_req->out.data+this_param+align1+align2, data, this_data);
1393                 }
1394
1395                 params_left -= this_param;
1396                 data_left -= this_data;
1397                 params += this_param;
1398                 data += this_data;
1399
1400                 req_send_reply(this_req);
1401         } while (params_left != 0 || data_left != 0);
1402 }
1403
1404
1405 /****************************************************************************
1406  Reply to an SMBtrans2
1407 ****************************************************************************/
1408 void reply_trans2(struct smbsrv_request *req)
1409 {
1410         reply_trans_generic(req, SMBtrans2);
1411 }
1412
1413 /****************************************************************************
1414  Reply to an SMBtrans
1415 ****************************************************************************/
1416 void reply_trans(struct smbsrv_request *req)
1417 {
1418         reply_trans_generic(req, SMBtrans);
1419 }
1420
1421 /****************************************************************************
1422  Reply to an SMBtranss2 request
1423 ****************************************************************************/
1424 void reply_transs2(struct smbsrv_request *req)
1425 {
1426         req_reply_error(req, NT_STATUS_FOOBAR);
1427 }
1428
1429