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