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 static ssize_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         if (ret == -1) {
 146                 return -1;
 147         }
 148
 149         /* sometimes the string needs to be terminated, but the length
 150            on the wire must not include the termination! */
 151         pkt_len = ret;
 152
 153         if ((flags & STR_LEN_NOTERM) && (flags & STR_TERMINATE)) {
 154                 if ((flags & STR_UNICODE) && ret >= 2) {
 155                         pkt_len = ret-2;
 156                 }
 157                 if ((flags & STR_ASCII) && ret >= 1) {
 158                         pkt_len = ret-1;
 159                 }
 160         }
 161
 162         if (flags & STR_LEN8BIT) {
 163                 SCVAL(blob->data, len_offset, pkt_len);
 164         } else {
 165                 SIVAL(blob->data, len_offset, pkt_len);
 166         }
 167
 168         return ret + alignment;
 169 }
 170
 171 /*
 172   append a string to the data section of a trans2 reply
 173   len_offset points to the place in the packet where the length field
 174   should go
 175 */
 176 NTSTATUS smbsrv_blob_append_string(TALLOC_CTX *mem_ctx,
 177                                    DATA_BLOB *blob,
 178                                    const char *str,
 179                                    unsigned int len_offset,
 180                                    int default_flags,
 181                                    int flags)
 182 {
 183         size_t ret;
 184         uint32_t offset;
 185         const int max_bytes_per_char = 3;
 186
 187         offset = blob->length;
 188         BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, offset + (2+strlen_m(str))*max_bytes_per_char));
 189         ret = smbsrv_blob_push_string(mem_ctx, blob, len_offset, offset, str, -1, default_flags, flags);
 190         if (ret < 0) {
 191                 return NT_STATUS_FOOBAR;
 192         }
 193         BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, offset + ret));
 194         return NT_STATUS_OK;
 195 }
 196
 197 NTSTATUS smbsrv_push_passthru_fsinfo(TALLOC_CTX *mem_ctx,
 198                                      DATA_BLOB *blob,
 199                                      enum smb_fsinfo_level level,
 200                                      union smb_fsinfo *fsinfo,
 201                                      int default_str_flags)
 202 {
 203         unsigned int i;
 204         DATA_BLOB guid_blob;
 205
 206         switch (level) {
 207         case RAW_QFS_VOLUME_INFORMATION:
 208                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 18));
 209
 210                 push_nttime(blob->data, 0, fsinfo->volume_info.out.create_time);
 211                 SIVAL(blob->data,       8, fsinfo->volume_info.out.serial_number);
 212                 SSVAL(blob->data,      16, 0); /* padding */
 213                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
 214                                                      fsinfo->volume_info.out.volume_name.s,
 215                                                      12, default_str_flags,
 216                                                      STR_UNICODE));
 217
 218                 return NT_STATUS_OK;
 219
 220         case RAW_QFS_SIZE_INFORMATION:
 221                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 24));
 222
 223                 SBVAL(blob->data,  0, fsinfo->size_info.out.total_alloc_units);
 224                 SBVAL(blob->data,  8, fsinfo->size_info.out.avail_alloc_units);
 225                 SIVAL(blob->data, 16, fsinfo->size_info.out.sectors_per_unit);
 226                 SIVAL(blob->data, 20, fsinfo->size_info.out.bytes_per_sector);
 227
 228                 return NT_STATUS_OK;
 229
 230         case RAW_QFS_DEVICE_INFORMATION:
 231                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
 232
 233                 SIVAL(blob->data,      0, fsinfo->device_info.out.device_type);
 234                 SIVAL(blob->data,      4, fsinfo->device_info.out.characteristics);
 235
 236                 return NT_STATUS_OK;
 237
 238         case RAW_QFS_ATTRIBUTE_INFORMATION:
 239                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 12));
 240
 241                 SIVAL(blob->data, 0, fsinfo->attribute_info.out.fs_attr);
 242                 SIVAL(blob->data, 4, fsinfo->attribute_info.out.max_file_component_length);
 243                 /* this must not be null terminated or win98 gets
 244                    confused!  also note that w2k3 returns this as
 245                    unicode even when ascii is negotiated */
 246                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
 247                                                      fsinfo->attribute_info.out.fs_type.s,
 248                                                      8, default_str_flags,
 249                                                      STR_UNICODE));
 250                 return NT_STATUS_OK;
 251
 252
 253         case RAW_QFS_QUOTA_INFORMATION:
 254                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 48));
 255
 256                 SBVAL(blob->data,   0, fsinfo->quota_information.out.unknown[0]);
 257                 SBVAL(blob->data,   8, fsinfo->quota_information.out.unknown[1]);
 258                 SBVAL(blob->data,  16, fsinfo->quota_information.out.unknown[2]);
 259                 SBVAL(blob->data,  24, fsinfo->quota_information.out.quota_soft);
 260                 SBVAL(blob->data,  32, fsinfo->quota_information.out.quota_hard);
 261                 SBVAL(blob->data,  40, fsinfo->quota_information.out.quota_flags);
 262
 263                 return NT_STATUS_OK;
 264
 265
 266         case RAW_QFS_FULL_SIZE_INFORMATION:
 267                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 32));
 268
 269                 SBVAL(blob->data,  0, fsinfo->full_size_information.out.total_alloc_units);
 270                 SBVAL(blob->data,  8, fsinfo->full_size_information.out.call_avail_alloc_units);
 271                 SBVAL(blob->data, 16, fsinfo->full_size_information.out.actual_avail_alloc_units);
 272                 SIVAL(blob->data, 24, fsinfo->full_size_information.out.sectors_per_unit);
 273                 SIVAL(blob->data, 28, fsinfo->full_size_information.out.bytes_per_sector);
 274
 275                 return NT_STATUS_OK;
 276
 277         case RAW_QFS_OBJECTID_INFORMATION: {
 278                 NTSTATUS status;
 279
 280                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 64));
 281
 282                 status = GUID_to_ndr_blob(&fsinfo->objectid_information.out.guid, mem_ctx, &guid_blob);
 283                 if (!NT_STATUS_IS_OK(status)) {
 284                         BLOB_CHECK(status);
 285                 }
 286
 287                 memcpy(blob->data, guid_blob.data, guid_blob.length);
 288
 289                 for (i=0;i<6;i++) {
 290                         SBVAL(blob->data, 16 + 8*i, fsinfo->objectid_information.out.unknown[i]);
 291                 }
 292
 293                 return NT_STATUS_OK;
 294         }
 295         default:
 296                 return NT_STATUS_INVALID_LEVEL;
 297         }
 298 }
 299
 300 NTSTATUS smbsrv_push_passthru_fileinfo(TALLOC_CTX *mem_ctx,
 301                                        DATA_BLOB *blob,
 302                                        enum smb_fileinfo_level level,
 303                                        union smb_fileinfo *st,
 304                                        int default_str_flags)
 305 {
 306         unsigned int i;
 307         size_t list_size;
 308
 309         switch (level) {
 310         case RAW_FILEINFO_BASIC_INFORMATION:
 311                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 40));
 312
 313                 push_nttime(blob->data,  0, st->basic_info.out.create_time);
 314                 push_nttime(blob->data,  8, st->basic_info.out.access_time);
 315                 push_nttime(blob->data, 16, st->basic_info.out.write_time);
 316                 push_nttime(blob->data, 24, st->basic_info.out.change_time);
 317                 SIVAL(blob->data,       32, st->basic_info.out.attrib);
 318                 SIVAL(blob->data,       36, 0); /* padding */
 319                 return NT_STATUS_OK;
 320
 321         case RAW_FILEINFO_NETWORK_OPEN_INFORMATION:
 322                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 56));
 323
 324                 push_nttime(blob->data,  0, st->network_open_information.out.create_time);
 325                 push_nttime(blob->data,  8, st->network_open_information.out.access_time);
 326                 push_nttime(blob->data, 16, st->network_open_information.out.write_time);
 327                 push_nttime(blob->data, 24, st->network_open_information.out.change_time);
 328                 SBVAL(blob->data,       32, st->network_open_information.out.alloc_size);
 329                 SBVAL(blob->data,       40, st->network_open_information.out.size);
 330                 SIVAL(blob->data,       48, st->network_open_information.out.attrib);
 331                 SIVAL(blob->data,       52, 0); /* padding */
 332                 return NT_STATUS_OK;
 333
 334         case RAW_FILEINFO_STANDARD_INFORMATION:
 335                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 24));
 336
 337                 SBVAL(blob->data,  0, st->standard_info.out.alloc_size);
 338                 SBVAL(blob->data,  8, st->standard_info.out.size);
 339                 SIVAL(blob->data, 16, st->standard_info.out.nlink);
 340                 SCVAL(blob->data, 20, st->standard_info.out.delete_pending);
 341                 SCVAL(blob->data, 21, st->standard_info.out.directory);
 342                 SSVAL(blob->data, 22, 0); /* padding */
 343                 return NT_STATUS_OK;
 344
 345         case RAW_FILEINFO_ATTRIBUTE_TAG_INFORMATION:
 346                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
 347
 348                 SIVAL(blob->data,  0, st->attribute_tag_information.out.attrib);
 349                 SIVAL(blob->data,  4, st->attribute_tag_information.out.reparse_tag);
 350                 return NT_STATUS_OK;
 351
 352         case RAW_FILEINFO_EA_INFORMATION:
 353                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
 354
 355                 SIVAL(blob->data,  0, st->ea_info.out.ea_size);
 356                 return NT_STATUS_OK;
 357
 358         case RAW_FILEINFO_MODE_INFORMATION:
 359                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
 360
 361                 SIVAL(blob->data,  0, st->mode_information.out.mode);
 362                 return NT_STATUS_OK;
 363
 364         case RAW_FILEINFO_ALIGNMENT_INFORMATION:
 365                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
 366
 367                 SIVAL(blob->data,  0,
 368                       st->alignment_information.out.alignment_requirement);
 369                 return NT_STATUS_OK;
 370
 371         case RAW_FILEINFO_ACCESS_INFORMATION:
 372                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
 373
 374                 SIVAL(blob->data,  0, st->access_information.out.access_flags);
 375                 return NT_STATUS_OK;
 376
 377         case RAW_FILEINFO_POSITION_INFORMATION:
 378                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
 379
 380                 SBVAL(blob->data,  0, st->position_information.out.position);
 381                 return NT_STATUS_OK;
 382
 383         case RAW_FILEINFO_COMPRESSION_INFORMATION:
 384                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 16));
 385
 386                 SBVAL(blob->data,  0, st->compression_info.out.compressed_size);
 387                 SSVAL(blob->data,  8, st->compression_info.out.format);
 388                 SCVAL(blob->data, 10, st->compression_info.out.unit_shift);
 389                 SCVAL(blob->data, 11, st->compression_info.out.chunk_shift);
 390                 SCVAL(blob->data, 12, st->compression_info.out.cluster_shift);
 391                 SSVAL(blob->data, 13, 0); /* 3 bytes padding */
 392                 SCVAL(blob->data, 15, 0);
 393                 return NT_STATUS_OK;
 394
 395         case RAW_FILEINFO_INTERNAL_INFORMATION:
 396                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
 397
 398                 SBVAL(blob->data,  0, st->internal_information.out.file_id);
 399                 return NT_STATUS_OK;
 400
 401         case RAW_FILEINFO_ALL_INFORMATION:
 402                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 72));
 403
 404                 push_nttime(blob->data,  0, st->all_info.out.create_time);
 405                 push_nttime(blob->data,  8, st->all_info.out.access_time);
 406                 push_nttime(blob->data, 16, st->all_info.out.write_time);
 407                 push_nttime(blob->data, 24, st->all_info.out.change_time);
 408                 SIVAL(blob->data,       32, st->all_info.out.attrib);
 409                 SIVAL(blob->data,       36, 0); /* padding */
 410                 SBVAL(blob->data,       40, st->all_info.out.alloc_size);
 411                 SBVAL(blob->data,       48, st->all_info.out.size);
 412                 SIVAL(blob->data,       56, st->all_info.out.nlink);
 413                 SCVAL(blob->data,       60, st->all_info.out.delete_pending);
 414                 SCVAL(blob->data,       61, st->all_info.out.directory);
 415                 SSVAL(blob->data,       62, 0); /* padding */
 416                 SIVAL(blob->data,       64, st->all_info.out.ea_size);
 417                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
 418                                                      st->all_info.out.fname.s,
 419                                                      68, default_str_flags,
 420                                                      STR_UNICODE));
 421                 return NT_STATUS_OK;
 422
 423         case RAW_FILEINFO_NAME_INFORMATION:
 424                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
 425
 426                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
 427                                                      st->name_info.out.fname.s,
 428                                                      0, default_str_flags,
 429                                                      STR_UNICODE));
 430                 return NT_STATUS_OK;
 431
 432         case RAW_FILEINFO_ALT_NAME_INFORMATION:
 433                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
 434
 435                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
 436                                                      st->alt_name_info.out.fname.s,
 437                                                      0, default_str_flags,
 438                                                      STR_UNICODE));
 439                 return NT_STATUS_OK;
 440
 441         case RAW_FILEINFO_STREAM_INFORMATION:
 442                 for (i=0;i<st->stream_info.out.num_streams;i++) {
 443                         uint32_t data_size = blob->length;
 444                         uint8_t *data;
 445
 446                         BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, data_size + 24));
 447                         data = blob->data + data_size;
 448                         SBVAL(data,  8, st->stream_info.out.streams[i].size);
 449                         SBVAL(data, 16, st->stream_info.out.streams[i].alloc_size);
 450                         BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
 451                                                              st->stream_info.out.streams[i].stream_name.s,
 452                                                              data_size + 4, default_str_flags,
 453                                                              STR_UNICODE));
 454                         if (i == st->stream_info.out.num_streams - 1) {
 455                                 SIVAL(blob->data, data_size, 0);
 456                         } else {
 457                                 BLOB_CHECK(smbsrv_blob_fill_data(mem_ctx, blob, (blob->length+7)&~7));
 458                                 SIVAL(blob->data, data_size,
 459                                       blob->length - data_size);
 460                         }
 461                 }
 462                 return NT_STATUS_OK;
 463
 464         case RAW_FILEINFO_SMB2_ALL_EAS:
 465                 /* if no eas are returned the backend should
 466                  * have returned NO_EAS_ON_FILE or NO_MORE_EAS
 467                  *
 468                  * so it's a programmer error if num_eas == 0
 469                  */
 470                 if (st->all_eas.out.num_eas == 0) {
 471                         smb_panic("0 eas for SMB2_ALL_EAS - programmer error in ntvfs backend");
 472                 }
 473
 474                 list_size = ea_list_size_chained(st->all_eas.out.num_eas,
 475                                                  st->all_eas.out.eas, 4);
 476                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, list_size));
 477
 478                 ea_put_list_chained(blob->data,
 479                                     st->all_eas.out.num_eas,
 480                                     st->all_eas.out.eas, 4);
 481                 return NT_STATUS_OK;
 482
 483         case RAW_FILEINFO_SMB2_ALL_INFORMATION:
 484                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 0x64));
 485
 486                 push_nttime(blob->data, 0x00, st->all_info2.out.create_time);
 487                 push_nttime(blob->data, 0x08, st->all_info2.out.access_time);
 488                 push_nttime(blob->data, 0x10, st->all_info2.out.write_time);
 489                 push_nttime(blob->data, 0x18, st->all_info2.out.change_time);
 490                 SIVAL(blob->data,       0x20, st->all_info2.out.attrib);
 491                 SIVAL(blob->data,       0x24, st->all_info2.out.unknown1);
 492                 SBVAL(blob->data,       0x28, st->all_info2.out.alloc_size);
 493                 SBVAL(blob->data,       0x30, st->all_info2.out.size);
 494                 SIVAL(blob->data,       0x38, st->all_info2.out.nlink);
 495                 SCVAL(blob->data,       0x3C, st->all_info2.out.delete_pending);
 496                 SCVAL(blob->data,       0x3D, st->all_info2.out.directory);
 497                 SSVAL(blob->data,       0x3E, 0); /* padding */
 498                 SBVAL(blob->data,       0x40, st->all_info2.out.file_id);
 499                 SIVAL(blob->data,       0x48, st->all_info2.out.ea_size);
 500                 SIVAL(blob->data,       0x4C, st->all_info2.out.access_mask);
 501                 SBVAL(blob->data,       0x50, st->all_info2.out.position);
 502                 SIVAL(blob->data,       0x58, st->all_info2.out.mode);
 503                 SIVAL(blob->data,       0x5C, st->all_info2.out.alignment_requirement);
 504                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
 505                                                      st->all_info2.out.fname.s,
 506                                                      0x60, default_str_flags,
 507                                                      STR_UNICODE));
 508                 return NT_STATUS_OK;
 509
 510         default:
 511                 return NT_STATUS_INVALID_LEVEL;
 512         }
 513 }
 514
 515 NTSTATUS smbsrv_pull_passthru_sfileinfo(TALLOC_CTX *mem_ctx,
 516                                         enum smb_setfileinfo_level level,
 517                                         union smb_setfileinfo *st,
 518                                         const DATA_BLOB *blob,
 519                                         int default_str_flags,
 520                                         struct request_bufinfo *bufinfo)
 521 {
 522         uint32_t len, ofs;
 523         DATA_BLOB str_blob;
 524
 525         switch (level) {
 526         case SMB_SFILEINFO_BASIC_INFORMATION:
 527                 BLOB_CHECK_MIN_SIZE(blob, 40);
 528
 529                 st->basic_info.in.create_time = pull_nttime(blob->data,  0);
 530                 st->basic_info.in.access_time = pull_nttime(blob->data,  8);
 531                 st->basic_info.in.write_time =  pull_nttime(blob->data, 16);
 532                 st->basic_info.in.change_time = pull_nttime(blob->data, 24);
 533                 st->basic_info.in.attrib      = IVAL(blob->data,        32);
 534                 st->basic_info.in.reserved    = IVAL(blob->data,        36);
 535
 536                 return NT_STATUS_OK;
 537
 538         case SMB_SFILEINFO_DISPOSITION_INFORMATION:
 539                 BLOB_CHECK_MIN_SIZE(blob, 1);
 540
 541                 st->disposition_info.in.delete_on_close = CVAL(blob->data, 0);
 542
 543                 return NT_STATUS_OK;
 544
 545         case SMB_SFILEINFO_ALLOCATION_INFORMATION:
 546                 BLOB_CHECK_MIN_SIZE(blob, 8);
 547
 548                 st->allocation_info.in.alloc_size = BVAL(blob->data, 0);
 549
 550                 return NT_STATUS_OK;
 551
 552         case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
 553                 BLOB_CHECK_MIN_SIZE(blob, 8);
 554
 555                 st->end_of_file_info.in.size = BVAL(blob->data, 0);
 556
 557                 return NT_STATUS_OK;
 558
 559         case RAW_SFILEINFO_RENAME_INFORMATION:
 560                 if (!bufinfo) {
 561                         return NT_STATUS_INTERNAL_ERROR;
 562                 }
 563                 BLOB_CHECK_MIN_SIZE(blob, 12);
 564                 st->rename_information.in.overwrite = CVAL(blob->data, 0);
 565                 st->rename_information.in.root_fid  = IVAL(blob->data, 4);
 566                 len                                 = IVAL(blob->data, 8);
 567                 ofs                                 = 12;
 568                 str_blob = *blob;
 569                 str_blob.length = MIN(str_blob.length, ofs+len);
 570                 smbsrv_blob_pull_string(bufinfo, &str_blob, ofs,
 571                                         &st->rename_information.in.new_name,
 572                                         STR_UNICODE);
 573                 if (st->rename_information.in.new_name == NULL) {
 574                         return NT_STATUS_FOOBAR;
 575                 }
 576
 577                 return NT_STATUS_OK;
 578
 579
 580         case RAW_SFILEINFO_LINK_INFORMATION:
 581                 if (!bufinfo) {
 582                         return NT_STATUS_INTERNAL_ERROR;
 583                 }
 584                 BLOB_CHECK_MIN_SIZE(blob, 20);
 585                 st->link_information.in.overwrite = CVAL(blob->data, 0);
 586                 st->link_information.in.root_fid  = IVAL(blob->data, 8);
 587                 len                                 = IVAL(blob->data, 16);
 588                 ofs                                 = 20;
 589                 str_blob = *blob;
 590                 str_blob.length = MIN(str_blob.length, ofs+len);
 591                 smbsrv_blob_pull_string(bufinfo, &str_blob, ofs,
 592                                         &st->link_information.in.new_name,
 593                                         STR_UNICODE);
 594                 if (st->link_information.in.new_name == NULL) {
 595                         return NT_STATUS_FOOBAR;
 596                 }
 597
 598                 return NT_STATUS_OK;
 599
 600         case RAW_SFILEINFO_RENAME_INFORMATION_SMB2:
 601                 /* SMB2 uses a different format for rename information */
 602                 if (!bufinfo) {
 603                         return NT_STATUS_INTERNAL_ERROR;
 604                 }
 605                 BLOB_CHECK_MIN_SIZE(blob, 20);
 606                 st->rename_information.in.overwrite = CVAL(blob->data, 0);
 607                 st->rename_information.in.root_fid  = BVAL(blob->data, 8);
 608                 len                                 = IVAL(blob->data,16);
 609                 ofs                                 = 20;
 610                 str_blob = *blob;
 611                 str_blob.length = MIN(str_blob.length, ofs+len);
 612                 smbsrv_blob_pull_string(bufinfo, &str_blob, ofs,
 613                                         &st->rename_information.in.new_name,
 614                                         STR_UNICODE);
 615                 if (st->rename_information.in.new_name == NULL) {
 616                         return NT_STATUS_FOOBAR;
 617                 }
 618
 619                 return NT_STATUS_OK;
 620
 621         case RAW_SFILEINFO_POSITION_INFORMATION:
 622                 BLOB_CHECK_MIN_SIZE(blob, 8);
 623
 624                 st->position_information.in.position = BVAL(blob->data, 0);
 625
 626                 return NT_STATUS_OK;
 627
 628         case RAW_SFILEINFO_MODE_INFORMATION:
 629                 BLOB_CHECK_MIN_SIZE(blob, 4);
 630
 631                 st->mode_information.in.mode = IVAL(blob->data, 0);
 632
 633                 return NT_STATUS_OK;
 634
 635         default:
 636                 return NT_STATUS_INVALID_LEVEL;
 637         }
 638 }
 639
 640 /*
 641   fill a single entry in a trans2 find reply
 642 */
 643 NTSTATUS smbsrv_push_passthru_search(TALLOC_CTX *mem_ctx,
 644                                      DATA_BLOB *blob,
 645                                      enum smb_search_data_level level,
 646                                      const union smb_search_data *file,
 647                                      int default_str_flags)
 648 {
 649         uint8_t *data;
 650         unsigned int ofs = blob->length;
 651
 652         switch (level) {
 653         case RAW_SEARCH_DATA_DIRECTORY_INFO:
 654                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 64));
 655                 data = blob->data + ofs;
 656                 SIVAL(data,          4, file->directory_info.file_index);
 657                 push_nttime(data,    8, file->directory_info.create_time);
 658                 push_nttime(data,   16, file->directory_info.access_time);
 659                 push_nttime(data,   24, file->directory_info.write_time);
 660                 push_nttime(data,   32, file->directory_info.change_time);
 661                 SBVAL(data,         40, file->directory_info.size);
 662                 SBVAL(data,         48, file->directory_info.alloc_size);
 663                 SIVAL(data,         56, file->directory_info.attrib);
 664                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->directory_info.name.s,
 665                                                      ofs + 60, default_str_flags,
 666                                                      STR_TERMINATE_ASCII));
 667                 BLOB_ALIGN(blob, 8);
 668                 data = blob->data + ofs;
 669                 SIVAL(data,          0, blob->length - ofs);
 670                 return NT_STATUS_OK;
 671
 672         case RAW_SEARCH_DATA_FULL_DIRECTORY_INFO:
 673                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 68));
 674                 data = blob->data + ofs;
 675                 SIVAL(data,          4, file->full_directory_info.file_index);
 676                 push_nttime(data,    8, file->full_directory_info.create_time);
 677                 push_nttime(data,   16, file->full_directory_info.access_time);
 678                 push_nttime(data,   24, file->full_directory_info.write_time);
 679                 push_nttime(data,   32, file->full_directory_info.change_time);
 680                 SBVAL(data,         40, file->full_directory_info.size);
 681                 SBVAL(data,         48, file->full_directory_info.alloc_size);
 682                 SIVAL(data,         56, file->full_directory_info.attrib);
 683                 SIVAL(data,         64, file->full_directory_info.ea_size);
 684                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->full_directory_info.name.s,
 685                                                      ofs + 60, default_str_flags,
 686                                                      STR_TERMINATE_ASCII));
 687                 BLOB_ALIGN(blob, 8);
 688                 data = blob->data + ofs;
 689                 SIVAL(data,          0, blob->length - ofs);
 690                 return NT_STATUS_OK;
 691
 692         case RAW_SEARCH_DATA_NAME_INFO:
 693                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 12));
 694                 data = blob->data + ofs;
 695                 SIVAL(data,          4, file->name_info.file_index);
 696                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->name_info.name.s,
 697                                                      ofs + 8, default_str_flags,
 698                                                      STR_TERMINATE_ASCII));
 699                 BLOB_ALIGN(blob, 8);
 700                 data = blob->data + ofs;
 701                 SIVAL(data,          0, blob->length - ofs);
 702                 return NT_STATUS_OK;
 703
 704         case RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO:
 705                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 94));
 706                 data = blob->data + ofs;
 707                 SIVAL(data,          4, file->both_directory_info.file_index);
 708                 push_nttime(data,    8, file->both_directory_info.create_time);
 709                 push_nttime(data,   16, file->both_directory_info.access_time);
 710                 push_nttime(data,   24, file->both_directory_info.write_time);
 711                 push_nttime(data,   32, file->both_directory_info.change_time);
 712                 SBVAL(data,         40, file->both_directory_info.size);
 713                 SBVAL(data,         48, file->both_directory_info.alloc_size);
 714                 SIVAL(data,         56, file->both_directory_info.attrib);
 715                 SIVAL(data,         64, file->both_directory_info.ea_size);
 716                 SCVAL(data,         69, 0); /* reserved */
 717                 memset(data+70,0,24);
 718                 smbsrv_blob_push_string(mem_ctx, blob,
 719                                         68 + ofs, 70 + ofs,
 720                                         file->both_directory_info.short_name.s,
 721                                         24, default_str_flags,
 722                                         STR_UNICODE | STR_LEN8BIT);
 723                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->both_directory_info.name.s,
 724                                                      ofs + 60, default_str_flags,
 725                                                      STR_TERMINATE_ASCII));
 726                 BLOB_ALIGN(blob, 8);
 727                 data = blob->data + ofs;
 728                 SIVAL(data,          0, blob->length - ofs);
 729                 return NT_STATUS_OK;
 730
 731         case RAW_SEARCH_DATA_ID_FULL_DIRECTORY_INFO:
 732                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 80));
 733                 data = blob->data + ofs;
 734                 SIVAL(data,          4, file->id_full_directory_info.file_index);
 735                 push_nttime(data,    8, file->id_full_directory_info.create_time);
 736                 push_nttime(data,   16, file->id_full_directory_info.access_time);
 737                 push_nttime(data,   24, file->id_full_directory_info.write_time);
 738                 push_nttime(data,   32, file->id_full_directory_info.change_time);
 739                 SBVAL(data,         40, file->id_full_directory_info.size);
 740                 SBVAL(data,         48, file->id_full_directory_info.alloc_size);
 741                 SIVAL(data,         56, file->id_full_directory_info.attrib);
 742                 SIVAL(data,         64, file->id_full_directory_info.ea_size);
 743                 SIVAL(data,         68, 0); /* padding */
 744                 SBVAL(data,         72, file->id_full_directory_info.file_id);
 745                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->id_full_directory_info.name.s,
 746                                                      ofs + 60, default_str_flags,
 747                                                      STR_TERMINATE_ASCII));
 748                 BLOB_ALIGN(blob, 8);
 749                 data = blob->data + ofs;
 750                 SIVAL(data,          0, blob->length - ofs);
 751                 return NT_STATUS_OK;
 752
 753         case RAW_SEARCH_DATA_ID_BOTH_DIRECTORY_INFO:
 754                 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 104));
 755                 data = blob->data + ofs;
 756                 SIVAL(data,          4, file->id_both_directory_info.file_index);
 757                 push_nttime(data,    8, file->id_both_directory_info.create_time);
 758                 push_nttime(data,   16, file->id_both_directory_info.access_time);
 759                 push_nttime(data,   24, file->id_both_directory_info.write_time);
 760                 push_nttime(data,   32, file->id_both_directory_info.change_time);
 761                 SBVAL(data,         40, file->id_both_directory_info.size);
 762                 SBVAL(data,         48, file->id_both_directory_info.alloc_size);
 763                 SIVAL(data,         56, file->id_both_directory_info.attrib);
 764                 SIVAL(data,         64, file->id_both_directory_info.ea_size);
 765                 SCVAL(data,         69, 0); /* reserved */
 766                 memset(data+70,0,26);
 767                 smbsrv_blob_push_string(mem_ctx, blob,
 768                                         68 + ofs, 70 + ofs,
 769                                         file->id_both_directory_info.short_name.s,
 770                                         24, default_str_flags,
 771                                         STR_UNICODE | STR_LEN8BIT);
 772                 SBVAL(data,         96, file->id_both_directory_info.file_id);
 773                 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->id_both_directory_info.name.s,
 774                                                      ofs + 60, default_str_flags,
 775                                                      STR_TERMINATE_ASCII));
 776                 BLOB_ALIGN(blob, 8);
 777                 data = blob->data + ofs;
 778                 SIVAL(data,          0, blob->length - ofs);
 779                 return NT_STATUS_OK;
 780
 781         default:
 782                 return NT_STATUS_INVALID_LEVEL;
 783         }
 784 }