source4/smb_server/trans2.c

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