source4/smb_server/blob.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Copyright (C) Andrew Tridgell 2003
   5    Copyright (C) Stefan Metzmacher 2006
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "smb_server/smb_server.h"
  23 #include "librpc/gen_ndr/ndr_misc.h"
  24 #include "libcli/raw/libcliraw.h"
  25 #include "libcli/raw/raw_proto.h"
  26
  27 #define BLOB_CHECK(cmd) do { \
  28         NTSTATUS _status; \
  29         _status = cmd; \
  30         NT_STATUS_NOT_OK_RETURN(_status); \
  31 } while (0)
  32
  33 #define BLOB_CHECK_MIN_SIZE(blob, size) do { \
  34         if ((blob)->length < (size)) { \
  35                 return NT_STATUS_INVALID_PARAMETER; \
  36         } \
  37 } while (0)
  38
  39
  40 /* align the end of the blob on an 8 byte boundary */
  41 #define BLOB_ALIGN(blob, alignment) do { \
  42         if ((blob)->length & ((alignment)-1)) { \
  43                 uint8_t _pad = (alignment) - ((blob)->length & ((alignment)-1)); \
  44                 BLOB_CHECK(smbsrv_blob_fill_data(blob, blob, (blob)->length+_pad)); \
  45         } \
  46 } while (0)
  47
  48 /* grow the data size of a trans2 reply */
  49 NTSTATUS smbsrv_blob_grow_data(TALLOC_CTX *mem_ctx,
  50                                DATA_BLOB *blob,
  51                                uint32_t new_size)
  52 {
  53         if (new_size > blob->length) {
  54                 uint8_t *p;
  55                 p = talloc_realloc(mem_ctx, blob->data, uint8_t, new_size);
  56                 NT_STATUS_HAVE_NO_MEMORY(p);
  57                 blob->data = p;
  58         }
  59         blob->length = new_size;
  60         return NT_STATUS_OK;
  61 }
  62
  63 /* grow the data, zero filling any new bytes */
  64 NTSTATUS smbsrv_blob_fill_data(TALLOC_CTX *mem_ctx,
  65                                DATA_BLOB *blob,
  66                                uint32_t new_size)
  67 {
  68         uint32_t old_size = blob->length;
  69         BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, new_size));
  70         if (new_size > old_size) {
  71                 memset(blob->data + old_size, 0, new_size - old_size);
  72         }
  73         return NT_STATUS_OK;
  74 }
  75
  76 /*
  77   pull a string from a blob in a trans2 request
  78 */
  79 size_t smbsrv_blob_pull_string(struct request_bufinfo *bufinfo,
  80                                const DATA_BLOB *blob,
  81                                uint16_t offset,
  82                                const char **str,
  83                                int flags)
  84 {
  85         *str = NULL;
  86         /* we use STR_NO_RANGE_CHECK because the params are allocated
  87            separately in a DATA_BLOB, so we need to do our own range
  88            checking */
  89         if (offset >= blob->length) {
  90                 return 0;
  91         }
  92
  93         return req_pull_string(bufinfo, str,
  94                                blob->data + offset,
  95                                blob->length - offset,
  96                                STR_NO_RANGE_CHECK | flags);
  97 }
  98
  99 /*
 100   push a string into the data section of a trans2 request
 101   return the number of bytes consumed in the output
 102 */
 103 size_t smbsrv_blob_push_string(TALLOC_CTX *mem_ctx,
 104                                DATA_BLOB *blob,
 105                                uint32_t len_offset,
 106                                uint32_t offset,
 107                                const char *str,
 108                                int dest_len,
 109                                int default_flags,
 110                                int flags)
 111 {
 112         int alignment = 0, ret = 0, pkt_len;
 113
 114         /* we use STR_NO_RANGE_CHECK because the params are allocated
 115            separately in a DATA_BLOB, so we need to do our own range
 116            checking */
 117         if (!str || offset >= blob->length) {
 118                 if (flags & STR_LEN8BIT) {
 119                         SCVAL(blob->data, len_offset, 0);
 120                 } else {
 121                         SIVAL(blob->data, len_offset, 0);
 122                 }
 123                 return 0;
 124         }
 125
 126         flags |= STR_NO_RANGE_CHECK;
 127
 128         if (dest_len == -1 || (dest_len > blob->length - offset)) {
 129                 dest_len = blob->length - offset;
 130         }
 131
 132         if (!(flags & (STR_ASCII|STR_UNICODE))) {
 133                 flags |= default_flags;
 134         }
 135
 136         if ((offset&1) && (flags & STR_UNICODE) && !(flags & STR_NOALIGN)) {
 137                 alignment = 1;
 138                 if (dest_len > 0) {
 139                         SCVAL(blob->data + offset, 0, 0);
 140                         ret = push_string(blob->data + offset + 1, str, dest_len-1, flags);
 141                 }
 142         } else {
 143                 ret = push_string(blob->data + offset, str, dest_len, flags);
 144         }
 145
 146         /* sometimes the string needs to be terminated, but the length
 147            on the wire must not include the termination! */
 148         pkt_len = ret;
 149
 150         if ((flags & STR_LEN_NOTERM) && (flags & STR_TERMINATE)) {
 151                 if ((flags & STR_UNICODE) && ret >= 2) {
 152                         pkt_len = ret-2;
 153                 }
 154                 if ((flags & STR_ASCII) && ret >= 1) {
 155                         pkt_len = ret-1;
 156                 }
 157         }
 158
 159         if (flags & STR_LEN8BIT) {
 160                 SCVAL(blob->data, len_offset, pkt_len);
 161         } else {
 162                 SIVAL(blob->data, len_offset, pkt_len);
 163         }
 164
 165         return ret + alignment;
 166 }
 167
 168 /*
 169   append a string to the data section of a trans2 reply
 170   len_offset points to the place in the packet where the length field
 171   should go
 172 */
 173 NTSTATUS smbsrv_blob_append_string(TALLOC_CTX *mem_ctx,
 174                                    DATA_BLOB *blob,
 175                                    const char *str,
 176                                    uint_t len_offset,
 177                                    int default_flags,
 178                                    int flags)
 179 {
 180         size_t ret;
 181         uint32_t offset;
 182         const int max_bytes_per_char = 3;
 183
 184         offset = blob->length;
 185         BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, offset + (2+strlen_m(str))*max_bytes_per_char));
 186         ret = smbsrv_blob_push_string(mem_ctx, blob, len_offset, offset, str, -1, default_flags, flags);
 187         if (ret < 0) {
 188                 return NT_STATUS_FOOBAR;
 189         }
 190         BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, offset + ret));
 191         return NT_STATUS_OK;
 192 }
 193
 194 NTSTATUS smbsrv_push_passthru_fsinfo(TALLOC_CTX *mem_ctx,
 195                                      DATA_BLOB *blob,
 196                                      enum smb_fsinfo_level level,
 197                                      union smb_fsinfo *fsinfo,
 198                                      int default_str_flags)
 199 {
 200         uint_t i;
 201         DATA_BLOB guid_blob;
 202
 203         switch (level) {
 204         case RAW_QFS_VOLUME_INFORMATION:
 205                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 18));
 206
 207                 push_nttime(blob->data, 0, fsinfo->volume_info.out.create_time);
 208                 SIVAL(blob->data,       8, fsinfo->volume_info.out.serial_number);
 209                 SSVAL(blob->data,      16, 0); /* padding */
 210                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
 211                                                      fsinfo->volume_info.out.volume_name.s,
 212                                                      12, default_str_flags,
 213                                                      STR_UNICODE));
 214
 215                 return NT_STATUS_OK;
 216
 217         case RAW_QFS_SIZE_INFORMATION:
 218                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 24));
 219
 220                 SBVAL(blob->data,  0, fsinfo->size_info.out.total_alloc_units);
 221                 SBVAL(blob->data,  8, fsinfo->size_info.out.avail_alloc_units);
 222                 SIVAL(blob->data, 16, fsinfo->size_info.out.sectors_per_unit);
 223                 SIVAL(blob->data, 20, fsinfo->size_info.out.bytes_per_sector);
 224
 225                 return NT_STATUS_OK;
 226
 227         case RAW_QFS_DEVICE_INFORMATION:
 228                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
 229
 230                 SIVAL(blob->data,      0, fsinfo->device_info.out.device_type);
 231                 SIVAL(blob->data,      4, fsinfo->device_info.out.characteristics);
 232
 233                 return NT_STATUS_OK;
 234
 235         case RAW_QFS_ATTRIBUTE_INFORMATION:
 236                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 12));
 237
 238                 SIVAL(blob->data, 0, fsinfo->attribute_info.out.fs_attr);
 239                 SIVAL(blob->data, 4, fsinfo->attribute_info.out.max_file_component_length);
 240                 /* this must not be null terminated or win98 gets
 241                    confused!  also note that w2k3 returns this as
 242                    unicode even when ascii is negotiated */
 243                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
 244                                                      fsinfo->attribute_info.out.fs_type.s,
 245                                                      8, default_str_flags,
 246                                                      STR_UNICODE));
 247                 return NT_STATUS_OK;
 248
 249
 250         case RAW_QFS_QUOTA_INFORMATION:
 251                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 48));
 252
 253                 SBVAL(blob->data,   0, fsinfo->quota_information.out.unknown[0]);
 254                 SBVAL(blob->data,   8, fsinfo->quota_information.out.unknown[1]);
 255                 SBVAL(blob->data,  16, fsinfo->quota_information.out.unknown[2]);
 256                 SBVAL(blob->data,  24, fsinfo->quota_information.out.quota_soft);
 257                 SBVAL(blob->data,  32, fsinfo->quota_information.out.quota_hard);
 258                 SBVAL(blob->data,  40, fsinfo->quota_information.out.quota_flags);
 259
 260                 return NT_STATUS_OK;
 261
 262
 263         case RAW_QFS_FULL_SIZE_INFORMATION:
 264                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 32));
 265
 266                 SBVAL(blob->data,  0, fsinfo->full_size_information.out.total_alloc_units);
 267                 SBVAL(blob->data,  8, fsinfo->full_size_information.out.call_avail_alloc_units);
 268                 SBVAL(blob->data, 16, fsinfo->full_size_information.out.actual_avail_alloc_units);
 269                 SIVAL(blob->data, 24, fsinfo->full_size_information.out.sectors_per_unit);
 270                 SIVAL(blob->data, 28, fsinfo->full_size_information.out.bytes_per_sector);
 271
 272                 return NT_STATUS_OK;
 273
 274         case RAW_QFS_OBJECTID_INFORMATION: {
 275                 enum ndr_err_code ndr_err;
 276
 277                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 64));
 278
 279                 ndr_err = ndr_push_struct_blob(&guid_blob, mem_ctx, NULL,
 280                                                &fsinfo->objectid_information.out.guid,
 281                                                (ndr_push_flags_fn_t)ndr_push_GUID);
 282                 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 283                         BLOB_CHECK(ndr_map_error2ntstatus(ndr_err));
 284                 }
 285
 286                 memcpy(blob->data, guid_blob.data, guid_blob.length);
 287
 288                 for (i=0;i<6;i++) {
 289                         SBVAL(blob->data, 16 + 8*i, fsinfo->objectid_information.out.unknown[i]);
 290                 }
 291
 292                 return NT_STATUS_OK;
 293         }
 294         default:
 295                 return NT_STATUS_INVALID_LEVEL;
 296         }
 297
 298         return NT_STATUS_INVALID_LEVEL;
 299 }
 300
 301 NTSTATUS smbsrv_push_passthru_fileinfo(TALLOC_CTX *mem_ctx,
 302                                        DATA_BLOB *blob,
 303                                        enum smb_fileinfo_level level,
 304                                        union smb_fileinfo *st,
 305                                        int default_str_flags)
 306 {
 307         uint_t i;
 308         size_t list_size;
 309
 310         switch (level) {
 311         case RAW_FILEINFO_BASIC_INFORMATION:
 312                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 40));
 313
 314                 push_nttime(blob->data,  0, st->basic_info.out.create_time);
 315                 push_nttime(blob->data,  8, st->basic_info.out.access_time);
 316                 push_nttime(blob->data, 16, st->basic_info.out.write_time);
 317                 push_nttime(blob->data, 24, st->basic_info.out.change_time);
 318                 SIVAL(blob->data,       32, st->basic_info.out.attrib);
 319                 SIVAL(blob->data,       36, 0); /* padding */
 320                 return NT_STATUS_OK;
 321
 322         case RAW_FILEINFO_NETWORK_OPEN_INFORMATION:
 323                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 56));
 324
 325                 push_nttime(blob->data,  0, st->network_open_information.out.create_time);
 326                 push_nttime(blob->data,  8, st->network_open_information.out.access_time);
 327                 push_nttime(blob->data, 16, st->network_open_information.out.write_time);
 328                 push_nttime(blob->data, 24, st->network_open_information.out.change_time);
 329                 SBVAL(blob->data,       32, st->network_open_information.out.alloc_size);
 330                 SBVAL(blob->data,       40, st->network_open_information.out.size);
 331                 SIVAL(blob->data,       48, st->network_open_information.out.attrib);
 332                 SIVAL(blob->data,       52, 0); /* padding */
 333                 return NT_STATUS_OK;
 334
 335         case RAW_FILEINFO_STANDARD_INFORMATION:
 336                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 24));
 337
 338                 SBVAL(blob->data,  0, st->standard_info.out.alloc_size);
 339                 SBVAL(blob->data,  8, st->standard_info.out.size);
 340                 SIVAL(blob->data, 16, st->standard_info.out.nlink);
 341                 SCVAL(blob->data, 20, st->standard_info.out.delete_pending);
 342                 SCVAL(blob->data, 21, st->standard_info.out.directory);
 343                 SSVAL(blob->data, 22, 0); /* padding */
 344                 return NT_STATUS_OK;
 345
 346         case RAW_FILEINFO_ATTRIBUTE_TAG_INFORMATION:
 347                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
 348
 349                 SIVAL(blob->data,  0, st->attribute_tag_information.out.attrib);
 350                 SIVAL(blob->data,  4, st->attribute_tag_information.out.reparse_tag);
 351                 return NT_STATUS_OK;
 352
 353         case RAW_FILEINFO_EA_INFORMATION:
 354                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
 355
 356                 SIVAL(blob->data,  0, st->ea_info.out.ea_size);
 357                 return NT_STATUS_OK;
 358
 359         case RAW_FILEINFO_MODE_INFORMATION:
 360                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
 361
 362                 SIVAL(blob->data,  0, st->mode_information.out.mode);
 363                 return NT_STATUS_OK;
 364
 365         case RAW_FILEINFO_ALIGNMENT_INFORMATION:
 366                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
 367
 368                 SIVAL(blob->data,  0,
 369                       st->alignment_information.out.alignment_requirement);
 370                 return NT_STATUS_OK;
 371
 372         case RAW_FILEINFO_ACCESS_INFORMATION:
 373                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
 374
 375                 SIVAL(blob->data,  0, st->access_information.out.access_flags);
 376                 return NT_STATUS_OK;
 377
 378         case RAW_FILEINFO_POSITION_INFORMATION:
 379                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
 380
 381                 SBVAL(blob->data,  0, st->position_information.out.position);
 382                 return NT_STATUS_OK;
 383
 384         case RAW_FILEINFO_COMPRESSION_INFORMATION:
 385                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 16));
 386
 387                 SBVAL(blob->data,  0, st->compression_info.out.compressed_size);
 388                 SSVAL(blob->data,  8, st->compression_info.out.format);
 389                 SCVAL(blob->data, 10, st->compression_info.out.unit_shift);
 390                 SCVAL(blob->data, 11, st->compression_info.out.chunk_shift);
 391                 SCVAL(blob->data, 12, st->compression_info.out.cluster_shift);
 392                 SSVAL(blob->data, 13, 0); /* 3 bytes padding */
 393                 SCVAL(blob->data, 15, 0);
 394                 return NT_STATUS_OK;
 395
 396         case RAW_FILEINFO_INTERNAL_INFORMATION:
 397                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
 398
 399                 SBVAL(blob->data,  0, st->internal_information.out.file_id);
 400                 return NT_STATUS_OK;
 401
 402         case RAW_FILEINFO_ALL_INFORMATION:
 403                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 72));
 404
 405                 push_nttime(blob->data,  0, st->all_info.out.create_time);
 406                 push_nttime(blob->data,  8, st->all_info.out.access_time);
 407                 push_nttime(blob->data, 16, st->all_info.out.write_time);
 408                 push_nttime(blob->data, 24, st->all_info.out.change_time);
 409                 SIVAL(blob->data,       32, st->all_info.out.attrib);
 410                 SIVAL(blob->data,       36, 0); /* padding */
 411                 SBVAL(blob->data,       40, st->all_info.out.alloc_size);
 412                 SBVAL(blob->data,       48, st->all_info.out.size);
 413                 SIVAL(blob->data,       56, st->all_info.out.nlink);
 414                 SCVAL(blob->data,       60, st->all_info.out.delete_pending);
 415                 SCVAL(blob->data,       61, st->all_info.out.directory);
 416                 SSVAL(blob->data,       62, 0); /* padding */
 417                 SIVAL(blob->data,       64, st->all_info.out.ea_size);
 418                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
 419                                                      st->all_info.out.fname.s,
 420                                                      68, default_str_flags,
 421                                                      STR_UNICODE));
 422                 return NT_STATUS_OK;
 423
 424         case RAW_FILEINFO_NAME_INFORMATION:
 425                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
 426
 427                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
 428                                                      st->name_info.out.fname.s,
 429                                                      0, default_str_flags,
 430                                                      STR_UNICODE));
 431                 return NT_STATUS_OK;
 432
 433         case RAW_FILEINFO_ALT_NAME_INFORMATION:
 434                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
 435
 436                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
 437                                                      st->alt_name_info.out.fname.s,
 438                                                      0, default_str_flags,
 439                                                      STR_UNICODE));
 440                 return NT_STATUS_OK;
 441
 442         case RAW_FILEINFO_STREAM_INFORMATION:
 443                 for (i=0;i<st->stream_info.out.num_streams;i++) {
 444                         uint32_t data_size = blob->length;
 445                         uint8_t *data;
 446
 447                         BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, data_size + 24));
 448                         data = blob->data + data_size;
 449                         SBVAL(data,  8, st->stream_info.out.streams[i].size);
 450                         SBVAL(data, 16, st->stream_info.out.streams[i].alloc_size);
 451                         BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
 452                                                              st->stream_info.out.streams[i].stream_name.s,
 453                                                              data_size + 4, default_str_flags,
 454                                                              STR_UNICODE));
 455                         if (i == st->stream_info.out.num_streams - 1) {
 456                                 SIVAL(blob->data, data_size, 0);
 457                         } else {
 458                                 BLOB_CHECK(smbsrv_blob_fill_data(mem_ctx, blob, (blob->length+7)&~7));
 459                                 SIVAL(blob->data, data_size,
 460                                       blob->length - data_size);
 461                         }
 462                 }
 463                 return NT_STATUS_OK;
 464
 465         case RAW_FILEINFO_SMB2_ALL_EAS:
 466                 /* if no eas are returned the backend should
 467                  * have returned NO_EAS_ON_FILE or NO_MORE_EAS
 468                  *
 469                  * so it's a programmer error if num_eas == 0
 470                  */
 471                 if (st->all_eas.out.num_eas == 0) {
 472                         smb_panic("0 eas for SMB2_ALL_EAS - programmer error in ntvfs backend");
 473                 }
 474
 475                 list_size = ea_list_size_chained(st->all_eas.out.num_eas,
 476                                                  st->all_eas.out.eas, 4);
 477                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, list_size));
 478
 479                 ea_put_list_chained(blob->data,
 480                                     st->all_eas.out.num_eas,
 481                                     st->all_eas.out.eas, 4);
 482                 return NT_STATUS_OK;
 483
 484         case RAW_FILEINFO_SMB2_ALL_INFORMATION:
 485                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 0x64));
 486
 487                 push_nttime(blob->data, 0x00, st->all_info2.out.create_time);
 488                 push_nttime(blob->data, 0x08, st->all_info2.out.access_time);
 489                 push_nttime(blob->data, 0x10, st->all_info2.out.write_time);
 490                 push_nttime(blob->data, 0x18, st->all_info2.out.change_time);
 491                 SIVAL(blob->data,       0x20, st->all_info2.out.attrib);
 492                 SIVAL(blob->data,       0x24, st->all_info2.out.unknown1);
 493                 SBVAL(blob->data,       0x28, st->all_info2.out.alloc_size);
 494                 SBVAL(blob->data,       0x30, st->all_info2.out.size);
 495                 SIVAL(blob->data,       0x38, st->all_info2.out.nlink);
 496                 SCVAL(blob->data,       0x3C, st->all_info2.out.delete_pending);
 497                 SCVAL(blob->data,       0x3D, st->all_info2.out.directory);
 498                 SSVAL(blob->data,       0x3E, 0); /* padding */
 499                 SBVAL(blob->data,       0x40, st->all_info2.out.file_id);
 500                 SIVAL(blob->data,       0x48, st->all_info2.out.ea_size);
 501                 SIVAL(blob->data,       0x4C, st->all_info2.out.access_mask);
 502                 SBVAL(blob->data,       0x50, st->all_info2.out.position);
 503                 SIVAL(blob->data,       0x58, st->all_info2.out.mode);
 504                 SIVAL(blob->data,       0x5C, st->all_info2.out.alignment_requirement);
 505                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
 506                                                      st->all_info2.out.fname.s,
 507                                                      0x60, default_str_flags,
 508                                                      STR_UNICODE));
 509                 return NT_STATUS_OK;
 510
 511         default:
 512                 return NT_STATUS_INVALID_LEVEL;
 513         }
 514
 515         return NT_STATUS_INVALID_LEVEL;
 516 }
 517
 518 NTSTATUS smbsrv_pull_passthru_sfileinfo(TALLOC_CTX *mem_ctx,
 519                                         enum smb_setfileinfo_level level,
 520                                         union smb_setfileinfo *st,
 521                                         const DATA_BLOB *blob,
 522                                         int default_str_flags,
 523                                         struct request_bufinfo *bufinfo)
 524 {
 525         uint32_t len, ofs;
 526         DATA_BLOB str_blob;
 527
 528         switch (level) {
 529         case SMB_SFILEINFO_BASIC_INFORMATION:
 530                 BLOB_CHECK_MIN_SIZE(blob, 40);
 531
 532                 st->basic_info.in.create_time = pull_nttime(blob->data,  0);
 533                 st->basic_info.in.access_time = pull_nttime(blob->data,  8);
 534                 st->basic_info.in.write_time =  pull_nttime(blob->data, 16);
 535                 st->basic_info.in.change_time = pull_nttime(blob->data, 24);
 536                 st->basic_info.in.attrib      = IVAL(blob->data,        32);
 537                 st->basic_info.in.reserved    = IVAL(blob->data,        36);
 538
 539                 return NT_STATUS_OK;
 540
 541         case SMB_SFILEINFO_DISPOSITION_INFORMATION:
 542                 BLOB_CHECK_MIN_SIZE(blob, 1);
 543
 544                 st->disposition_info.in.delete_on_close = CVAL(blob->data, 0);
 545
 546                 return NT_STATUS_OK;
 547
 548         case SMB_SFILEINFO_ALLOCATION_INFORMATION:
 549                 BLOB_CHECK_MIN_SIZE(blob, 8);
 550
 551                 st->allocation_info.in.alloc_size = BVAL(blob->data, 0);
 552
 553                 return NT_STATUS_OK;
 554
 555         case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
 556                 BLOB_CHECK_MIN_SIZE(blob, 8);
 557
 558                 st->end_of_file_info.in.size = BVAL(blob->data, 0);
 559
 560                 return NT_STATUS_OK;
 561
 562         case RAW_SFILEINFO_RENAME_INFORMATION:
 563                 if (!bufinfo) {
 564                         return NT_STATUS_INTERNAL_ERROR;
 565                 }
 566                 BLOB_CHECK_MIN_SIZE(blob, 12);
 567                 st->rename_information.in.overwrite = CVAL(blob->data, 0);
 568                 st->rename_information.in.root_fid  = IVAL(blob->data, 4);
 569                 len                                 = IVAL(blob->data, 8);
 570                 ofs                                 = 12;
 571                 str_blob = *blob;
 572                 str_blob.length = MIN(str_blob.length, ofs+len);
 573                 smbsrv_blob_pull_string(bufinfo, &str_blob, ofs,
 574                                         &st->rename_information.in.new_name,
 575                                         STR_UNICODE);
 576                 if (st->rename_information.in.new_name == NULL) {
 577                         return NT_STATUS_FOOBAR;
 578                 }
 579
 580                 return NT_STATUS_OK;
 581
 582
 583         case RAW_SFILEINFO_LINK_INFORMATION:
 584                 if (!bufinfo) {
 585                         return NT_STATUS_INTERNAL_ERROR;
 586                 }
 587                 BLOB_CHECK_MIN_SIZE(blob, 20);
 588                 st->link_information.in.overwrite = CVAL(blob->data, 0);
 589                 st->link_information.in.root_fid  = IVAL(blob->data, 8);
 590                 len                                 = IVAL(blob->data, 16);
 591                 ofs                                 = 20;
 592                 str_blob = *blob;
 593                 str_blob.length = MIN(str_blob.length, ofs+len);
 594                 smbsrv_blob_pull_string(bufinfo, &str_blob, ofs,
 595                                         &st->link_information.in.new_name,
 596                                         STR_UNICODE);
 597                 if (st->link_information.in.new_name == NULL) {
 598                         return NT_STATUS_FOOBAR;
 599                 }
 600
 601                 return NT_STATUS_OK;
 602
 603         case RAW_SFILEINFO_RENAME_INFORMATION_SMB2:
 604                 /* SMB2 uses a different format for rename information */
 605                 if (!bufinfo) {
 606                         return NT_STATUS_INTERNAL_ERROR;
 607                 }
 608                 BLOB_CHECK_MIN_SIZE(blob, 20);
 609                 st->rename_information.in.overwrite = CVAL(blob->data, 0);
 610                 st->rename_information.in.root_fid  = BVAL(blob->data, 8);
 611                 len                                 = IVAL(blob->data,16);
 612                 ofs                                 = 20;
 613                 str_blob = *blob;
 614                 str_blob.length = MIN(str_blob.length, ofs+len);
 615                 smbsrv_blob_pull_string(bufinfo, &str_blob, ofs,
 616                                         &st->rename_information.in.new_name,
 617                                         STR_UNICODE);
 618                 if (st->rename_information.in.new_name == NULL) {
 619                         return NT_STATUS_FOOBAR;
 620                 }
 621
 622                 return NT_STATUS_OK;
 623
 624         case RAW_SFILEINFO_POSITION_INFORMATION:
 625                 BLOB_CHECK_MIN_SIZE(blob, 8);
 626
 627                 st->position_information.in.position = BVAL(blob->data, 0);
 628
 629                 return NT_STATUS_OK;
 630
 631         case RAW_SFILEINFO_MODE_INFORMATION:
 632                 BLOB_CHECK_MIN_SIZE(blob, 4);
 633
 634                 st->mode_information.in.mode = IVAL(blob->data, 0);
 635
 636                 return NT_STATUS_OK;
 637
 638         default:
 639                 return NT_STATUS_INVALID_LEVEL;
 640         }
 641
 642         return NT_STATUS_INVALID_LEVEL;
 643 }
 644
 645 /*
 646   fill a single entry in a trans2 find reply
 647 */
 648 NTSTATUS smbsrv_push_passthru_search(TALLOC_CTX *mem_ctx,
 649                                      DATA_BLOB *blob,
 650                                      enum smb_search_data_level level,
 651                                      const union smb_search_data *file,
 652                                      int default_str_flags)
 653 {
 654         uint8_t *data;
 655         uint_t ofs = blob->length;
 656
 657         switch (level) {
 658         case RAW_SEARCH_DATA_DIRECTORY_INFO:
 659                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 64));
 660                 data = blob->data + ofs;
 661                 SIVAL(data,          4, file->directory_info.file_index);
 662                 push_nttime(data,    8, file->directory_info.create_time);
 663                 push_nttime(data,   16, file->directory_info.access_time);
 664                 push_nttime(data,   24, file->directory_info.write_time);
 665                 push_nttime(data,   32, file->directory_info.change_time);
 666                 SBVAL(data,         40, file->directory_info.size);
 667                 SBVAL(data,         48, file->directory_info.alloc_size);
 668                 SIVAL(data,         56, file->directory_info.attrib);
 669                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->directory_info.name.s,
 670                                                      ofs + 60, default_str_flags,
 671                                                      STR_TERMINATE_ASCII));
 672                 BLOB_ALIGN(blob, 8);
 673                 data = blob->data + ofs;
 674                 SIVAL(data,          0, blob->length - ofs);
 675                 return NT_STATUS_OK;
 676
 677         case RAW_SEARCH_DATA_FULL_DIRECTORY_INFO:
 678                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 68));
 679                 data = blob->data + ofs;
 680                 SIVAL(data,          4, file->full_directory_info.file_index);
 681                 push_nttime(data,    8, file->full_directory_info.create_time);
 682                 push_nttime(data,   16, file->full_directory_info.access_time);
 683                 push_nttime(data,   24, file->full_directory_info.write_time);
 684                 push_nttime(data,   32, file->full_directory_info.change_time);
 685                 SBVAL(data,         40, file->full_directory_info.size);
 686                 SBVAL(data,         48, file->full_directory_info.alloc_size);
 687                 SIVAL(data,         56, file->full_directory_info.attrib);
 688                 SIVAL(data,         64, file->full_directory_info.ea_size);
 689                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->full_directory_info.name.s,
 690                                                      ofs + 60, default_str_flags,
 691                                                      STR_TERMINATE_ASCII));
 692                 BLOB_ALIGN(blob, 8);
 693                 data = blob->data + ofs;
 694                 SIVAL(data,          0, blob->length - ofs);
 695                 return NT_STATUS_OK;
 696
 697         case RAW_SEARCH_DATA_NAME_INFO:
 698                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 12));
 699                 data = blob->data + ofs;
 700                 SIVAL(data,          4, file->name_info.file_index);
 701                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->name_info.name.s,
 702                                                      ofs + 8, default_str_flags,
 703                                                      STR_TERMINATE_ASCII));
 704                 BLOB_ALIGN(blob, 8);
 705                 data = blob->data + ofs;
 706                 SIVAL(data,          0, blob->length - ofs);
 707                 return NT_STATUS_OK;
 708
 709         case RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO:
 710                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 94));
 711                 data = blob->data + ofs;
 712                 SIVAL(data,          4, file->both_directory_info.file_index);
 713                 push_nttime(data,    8, file->both_directory_info.create_time);
 714                 push_nttime(data,   16, file->both_directory_info.access_time);
 715                 push_nttime(data,   24, file->both_directory_info.write_time);
 716                 push_nttime(data,   32, file->both_directory_info.change_time);
 717                 SBVAL(data,         40, file->both_directory_info.size);
 718                 SBVAL(data,         48, file->both_directory_info.alloc_size);
 719                 SIVAL(data,         56, file->both_directory_info.attrib);
 720                 SIVAL(data,         64, file->both_directory_info.ea_size);
 721                 SCVAL(data,         69, 0); /* reserved */
 722                 memset(data+70,0,24);
 723                 smbsrv_blob_push_string(mem_ctx, blob,
 724                                         68 + ofs, 70 + ofs,
 725                                         file->both_directory_info.short_name.s,
 726                                         24, default_str_flags,
 727                                         STR_UNICODE | STR_LEN8BIT);
 728                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->both_directory_info.name.s,
 729                                                      ofs + 60, default_str_flags,
 730                                                      STR_TERMINATE_ASCII));
 731                 BLOB_ALIGN(blob, 8);
 732                 data = blob->data + ofs;
 733                 SIVAL(data,          0, blob->length - ofs);
 734                 return NT_STATUS_OK;
 735
 736         case RAW_SEARCH_DATA_ID_FULL_DIRECTORY_INFO:
 737                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 80));
 738                 data = blob->data + ofs;
 739                 SIVAL(data,          4, file->id_full_directory_info.file_index);
 740                 push_nttime(data,    8, file->id_full_directory_info.create_time);
 741                 push_nttime(data,   16, file->id_full_directory_info.access_time);
 742                 push_nttime(data,   24, file->id_full_directory_info.write_time);
 743                 push_nttime(data,   32, file->id_full_directory_info.change_time);
 744                 SBVAL(data,         40, file->id_full_directory_info.size);
 745                 SBVAL(data,         48, file->id_full_directory_info.alloc_size);
 746                 SIVAL(data,         56, file->id_full_directory_info.attrib);
 747                 SIVAL(data,         64, file->id_full_directory_info.ea_size);
 748                 SIVAL(data,         68, 0); /* padding */
 749                 SBVAL(data,         72, file->id_full_directory_info.file_id);
 750                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->id_full_directory_info.name.s,
 751                                                      ofs + 60, default_str_flags,
 752                                                      STR_TERMINATE_ASCII));
 753                 BLOB_ALIGN(blob, 8);
 754                 data = blob->data + ofs;
 755                 SIVAL(data,          0, blob->length - ofs);
 756                 return NT_STATUS_OK;
 757
 758         case RAW_SEARCH_DATA_ID_BOTH_DIRECTORY_INFO:
 759                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 104));
 760                 data = blob->data + ofs;
 761                 SIVAL(data,          4, file->id_both_directory_info.file_index);
 762                 push_nttime(data,    8, file->id_both_directory_info.create_time);
 763                 push_nttime(data,   16, file->id_both_directory_info.access_time);
 764                 push_nttime(data,   24, file->id_both_directory_info.write_time);
 765                 push_nttime(data,   32, file->id_both_directory_info.change_time);
 766                 SBVAL(data,         40, file->id_both_directory_info.size);
 767                 SBVAL(data,         48, file->id_both_directory_info.alloc_size);
 768                 SIVAL(data,         56, file->id_both_directory_info.attrib);
 769                 SIVAL(data,         64, file->id_both_directory_info.ea_size);
 770                 SCVAL(data,         69, 0); /* reserved */
 771                 memset(data+70,0,26);
 772                 smbsrv_blob_push_string(mem_ctx, blob,
 773                                         68 + ofs, 70 + ofs,
 774                                         file->id_both_directory_info.short_name.s,
 775                                         24, default_str_flags,
 776                                         STR_UNICODE | STR_LEN8BIT);
 777                 SBVAL(data,         96, file->id_both_directory_info.file_id);
 778                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->id_both_directory_info.name.s,
 779                                                      ofs + 60, default_str_flags,
 780                                                      STR_TERMINATE_ASCII));
 781                 BLOB_ALIGN(blob, 8);
 782                 data = blob->data + ofs;
 783                 SIVAL(data,          0, blob->length - ofs);
 784                 return NT_STATUS_OK;
 785
 786         default:
 787                 return NT_STATUS_INVALID_LEVEL;
 788         }
 789
 790         return NT_STATUS_INVALID_LEVEL;
 791 }