source3/rpcclient/cmd_eventlog.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    RPC pipe client
   4
   5    Copyright (C) Günther Deschner 2009
   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 "rpcclient.h"
  23 #include "../librpc/gen_ndr/ndr_eventlog.h"
  24 #include "../librpc/gen_ndr/ndr_eventlog_c.h"
  25 #include "rpc_client/init_lsa.h"
  26
  27 static NTSTATUS get_eventlog_handle(struct rpc_pipe_client *cli,
  28                                     TALLOC_CTX *mem_ctx,
  29                                     const char *log,
  30                                     struct policy_handle *handle)
  31 {
  32         NTSTATUS status, result;
  33         struct eventlog_OpenUnknown0 unknown0;
  34         struct lsa_String logname, servername;
  35         struct dcerpc_binding_handle *b = cli->binding_handle;
  36
  37         unknown0.unknown0 = 0x005c;
  38         unknown0.unknown1 = 0x0001;
  39
  40         init_lsa_String(&logname, log);
  41         init_lsa_String(&servername, NULL);
  42
  43         status = dcerpc_eventlog_OpenEventLogW(b, mem_ctx,
  44                                                &unknown0,
  45                                                &logname,
  46                                                &servername,
  47                                                0x00000001, /* major */
  48                                                0x00000001, /* minor */
  49                                                handle,
  50                                                &result);
  51         if (!NT_STATUS_IS_OK(status)) {
  52                 return status;
  53         }
  54
  55         return result;
  56 }
  57
  58 static NTSTATUS cmd_eventlog_readlog(struct rpc_pipe_client *cli,
  59                                      TALLOC_CTX *mem_ctx,
  60                                      int argc,
  61                                      const char **argv)
  62 {
  63         NTSTATUS status = NT_STATUS_OK;
  64         NTSTATUS result = NT_STATUS_OK;
  65         struct policy_handle handle;
  66         struct dcerpc_binding_handle *b = cli->binding_handle;
  67
  68         uint32_t flags = EVENTLOG_BACKWARDS_READ |
  69                          EVENTLOG_SEQUENTIAL_READ;
  70         uint32_t offset = 0;
  71         uint32_t number_of_bytes = 0;
  72         uint8_t *data = NULL;
  73         uint32_t sent_size = 0;
  74         uint32_t real_size = 0;
  75
  76         if (argc < 2 || argc > 4) {
  77                 printf("Usage: %s logname [offset] [number_of_bytes]\n", argv[0]);
  78                 return NT_STATUS_OK;
  79         }
  80
  81         if (argc >= 3) {
  82                 offset = atoi(argv[2]);
  83         }
  84
  85         if (argc >= 4) {
  86                 number_of_bytes = atoi(argv[3]);
  87                 data = talloc_array(mem_ctx, uint8_t, number_of_bytes);
  88                 if (!data) {
  89                         goto done;
  90                 }
  91         }
  92
  93         status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
  94         if (!NT_STATUS_IS_OK(status)) {
  95                 return status;
  96         }
  97
  98         do {
  99
 100                 enum ndr_err_code ndr_err;
 101                 DATA_BLOB blob;
 102                 struct EVENTLOGRECORD r;
 103                 uint32_t size = 0;
 104                 uint32_t pos = 0;
 105
 106                 status = dcerpc_eventlog_ReadEventLogW(b, mem_ctx,
 107                                                        &handle,
 108                                                        flags,
 109                                                        offset,
 110                                                        number_of_bytes,
 111                                                        data,
 112                                                        &sent_size,
 113                                                        &real_size,
 114                                                        &result);
 115                 if (!NT_STATUS_IS_OK(status)) {
 116                         return status;
 117                 }
 118                 if (NT_STATUS_EQUAL(result, NT_STATUS_BUFFER_TOO_SMALL) &&
 119                     real_size > 0 ) {
 120                         number_of_bytes = real_size;
 121                         data = talloc_array(mem_ctx, uint8_t, real_size);
 122                         if (!data) {
 123                                 goto done;
 124                         }
 125                         status = dcerpc_eventlog_ReadEventLogW(b, mem_ctx,
 126                                                                &handle,
 127                                                                flags,
 128                                                                offset,
 129                                                                number_of_bytes,
 130                                                                data,
 131                                                                &sent_size,
 132                                                                &real_size,
 133                                                                &result);
 134                         if (!NT_STATUS_IS_OK(status)) {
 135                                 return status;
 136                         }
 137                 }
 138
 139                 if (!NT_STATUS_EQUAL(result, NT_STATUS_END_OF_FILE) &&
 140                     !NT_STATUS_IS_OK(result)) {
 141                         goto done;
 142                 }
 143
 144                 number_of_bytes = 0;
 145
 146                 size = IVAL(data, pos);
 147
 148                 while (size > 0) {
 149
 150                         blob = data_blob_const(data + pos, size);
 151                         /* dump_data(0, blob.data, blob.length); */
 152                         ndr_err = ndr_pull_struct_blob_all(&blob, mem_ctx, &r,
 153                                            (ndr_pull_flags_fn_t)ndr_pull_EVENTLOGRECORD);
 154                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 155                                 status = ndr_map_error2ntstatus(ndr_err);
 156                                 goto done;
 157                         }
 158
 159                         NDR_PRINT_DEBUG(EVENTLOGRECORD, &r);
 160
 161                         pos += size;
 162
 163                         if (pos + 4 > sent_size) {
 164                                 break;
 165                         }
 166
 167                         size = IVAL(data, pos);
 168                 }
 169
 170                 offset++;
 171
 172         } while (NT_STATUS_IS_OK(result));
 173
 174  done:
 175         dcerpc_eventlog_CloseEventLog(b, mem_ctx, &handle, &result);
 176
 177         return status;
 178 }
 179
 180 static NTSTATUS cmd_eventlog_numrecords(struct rpc_pipe_client *cli,
 181                                         TALLOC_CTX *mem_ctx,
 182                                         int argc,
 183                                         const char **argv)
 184 {
 185         NTSTATUS status, result;
 186         struct policy_handle handle;
 187         uint32_t number = 0;
 188         struct dcerpc_binding_handle *b = cli->binding_handle;
 189
 190         if (argc != 2) {
 191                 printf("Usage: %s logname\n", argv[0]);
 192                 return NT_STATUS_OK;
 193         }
 194
 195         status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
 196         if (!NT_STATUS_IS_OK(status)) {
 197                 return status;
 198         }
 199
 200         status = dcerpc_eventlog_GetNumRecords(b, mem_ctx,
 201                                                &handle,
 202                                                &number,
 203                                                &result);
 204         if (!NT_STATUS_IS_OK(status)) {
 205                 goto done;
 206         }
 207         if (!NT_STATUS_IS_OK(result)) {
 208                 status = result;
 209                 goto done;
 210         }
 211
 212         printf("number of records: %d\n", number);
 213
 214  done:
 215         dcerpc_eventlog_CloseEventLog(b, mem_ctx, &handle, &result);
 216
 217         return status;
 218 }
 219
 220 static NTSTATUS cmd_eventlog_oldestrecord(struct rpc_pipe_client *cli,
 221                                           TALLOC_CTX *mem_ctx,
 222                                           int argc,
 223                                           const char **argv)
 224 {
 225         NTSTATUS status, result;
 226         struct policy_handle handle;
 227         uint32_t oldest_entry = 0;
 228         struct dcerpc_binding_handle *b = cli->binding_handle;
 229
 230         if (argc != 2) {
 231                 printf("Usage: %s logname\n", argv[0]);
 232                 return NT_STATUS_OK;
 233         }
 234
 235         status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
 236         if (!NT_STATUS_IS_OK(status)) {
 237                 return status;
 238         }
 239
 240         status = dcerpc_eventlog_GetOldestRecord(b, mem_ctx,
 241                                                  &handle,
 242                                                  &oldest_entry,
 243                                                  &result);
 244         if (!NT_STATUS_IS_OK(status)) {
 245                 goto done;
 246         }
 247         if (!NT_STATUS_IS_OK(result)) {
 248                 status = result;
 249                 goto done;
 250         }
 251
 252         printf("oldest entry: %d\n", oldest_entry);
 253
 254  done:
 255         dcerpc_eventlog_CloseEventLog(b, mem_ctx, &handle, &result);
 256
 257         return status;
 258 }
 259
 260 static NTSTATUS cmd_eventlog_reportevent(struct rpc_pipe_client *cli,
 261                                          TALLOC_CTX *mem_ctx,
 262                                          int argc,
 263                                          const char **argv)
 264 {
 265         NTSTATUS status, result;
 266         struct policy_handle handle;
 267         struct dcerpc_binding_handle *b = cli->binding_handle;
 268
 269         uint16_t num_of_strings = 1;
 270         uint32_t data_size = 0;
 271         struct lsa_String servername;
 272         struct lsa_String *strings;
 273         uint8_t *data = NULL;
 274         uint32_t record_number = 0;
 275         time_t time_written = 0;
 276
 277         if (argc != 2) {
 278                 printf("Usage: %s logname\n", argv[0]);
 279                 return NT_STATUS_OK;
 280         }
 281
 282         status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
 283         if (!NT_STATUS_IS_OK(status)) {
 284                 return status;
 285         }
 286
 287         strings = talloc_array(mem_ctx, struct lsa_String, num_of_strings);
 288         if (!strings) {
 289                 return NT_STATUS_NO_MEMORY;
 290         }
 291
 292         init_lsa_String(&strings[0], "test event written by rpcclient\n");
 293         init_lsa_String(&servername, NULL);
 294
 295         status = dcerpc_eventlog_ReportEventW(b, mem_ctx,
 296                                               &handle,
 297                                               time(NULL),
 298                                               EVENTLOG_INFORMATION_TYPE,
 299                                               0, /* event_category */
 300                                               0, /* event_id */
 301                                               num_of_strings,
 302                                               data_size,
 303                                               &servername,
 304                                               NULL, /* user_sid */
 305                                               &strings,
 306                                               data,
 307                                               0, /* flags */
 308                                               &record_number,
 309                                               &time_written,
 310                                               &result);
 311
 312         if (!NT_STATUS_IS_OK(status)) {
 313                 goto done;
 314         }
 315         if (!NT_STATUS_IS_OK(result)) {
 316                 status = result;
 317                 goto done;
 318         }
 319
 320         printf("entry: %d written at %s\n", record_number,
 321                 http_timestring(talloc_tos(), time_written));
 322
 323  done:
 324         dcerpc_eventlog_CloseEventLog(b, mem_ctx, &handle, &result);
 325
 326         return status;
 327 }
 328
 329 static NTSTATUS cmd_eventlog_reporteventsource(struct rpc_pipe_client *cli,
 330                                                TALLOC_CTX *mem_ctx,
 331                                                int argc,
 332                                                const char **argv)
 333 {
 334         NTSTATUS status, result;
 335         struct policy_handle handle;
 336         struct dcerpc_binding_handle *b = cli->binding_handle;
 337
 338         uint16_t num_of_strings = 1;
 339         uint32_t data_size = 0;
 340         struct lsa_String servername, sourcename;
 341         struct lsa_String *strings;
 342         uint8_t *data = NULL;
 343         uint32_t record_number = 0;
 344         time_t time_written = 0;
 345
 346         if (argc != 2) {
 347                 printf("Usage: %s logname\n", argv[0]);
 348                 return NT_STATUS_OK;
 349         }
 350
 351         status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
 352         if (!NT_STATUS_IS_OK(status)) {
 353                 return status;
 354         }
 355
 356         strings = talloc_array(mem_ctx, struct lsa_String, num_of_strings);
 357         if (!strings) {
 358                 return NT_STATUS_NO_MEMORY;
 359         }
 360
 361         init_lsa_String(&strings[0], "test event written by rpcclient\n");
 362         init_lsa_String(&servername, NULL);
 363         init_lsa_String(&sourcename, "rpcclient");
 364
 365         status = dcerpc_eventlog_ReportEventAndSourceW(b, mem_ctx,
 366                                                        &handle,
 367                                                        time(NULL),
 368                                                        EVENTLOG_INFORMATION_TYPE,
 369                                                        0, /* event_category */
 370                                                        0, /* event_id */
 371                                                        &sourcename,
 372                                                        num_of_strings,
 373                                                        data_size,
 374                                                        &servername,
 375                                                        NULL, /* user_sid */
 376                                                        &strings,
 377                                                        data,
 378                                                        0, /* flags */
 379                                                        &record_number,
 380                                                        &time_written,
 381                                                        &result);
 382         if (!NT_STATUS_IS_OK(status)) {
 383                 goto done;
 384         }
 385         if (!NT_STATUS_IS_OK(result)) {
 386                 status = result;
 387                 goto done;
 388         }
 389
 390         printf("entry: %d written at %s\n", record_number,
 391                 http_timestring(talloc_tos(), time_written));
 392
 393  done:
 394         dcerpc_eventlog_CloseEventLog(b, mem_ctx, &handle, &result);
 395
 396         return status;
 397 }
 398
 399 static NTSTATUS cmd_eventlog_registerevsource(struct rpc_pipe_client *cli,
 400                                               TALLOC_CTX *mem_ctx,
 401                                               int argc,
 402                                               const char **argv)
 403 {
 404         NTSTATUS status, result;
 405         struct policy_handle log_handle;
 406         struct lsa_String module_name, reg_module_name;
 407         struct eventlog_OpenUnknown0 unknown0;
 408         struct dcerpc_binding_handle *b = cli->binding_handle;
 409
 410         unknown0.unknown0 = 0x005c;
 411         unknown0.unknown1 = 0x0001;
 412
 413         if (argc != 2) {
 414                 printf("Usage: %s logname\n", argv[0]);
 415                 return NT_STATUS_OK;
 416         }
 417
 418         init_lsa_String(&module_name, "rpcclient");
 419         init_lsa_String(&reg_module_name, NULL);
 420
 421         status = dcerpc_eventlog_RegisterEventSourceW(b, mem_ctx,
 422                                                       &unknown0,
 423                                                       &module_name,
 424                                                       &reg_module_name,
 425                                                       1, /* major_version */
 426                                                       1, /* minor_version */
 427                                                       &log_handle,
 428                                                       &result);
 429         if (!NT_STATUS_IS_OK(status)) {
 430                 goto done;
 431         }
 432         if (!NT_STATUS_IS_OK(result)) {
 433                 status = result;
 434                 goto done;
 435         }
 436
 437  done:
 438         dcerpc_eventlog_DeregisterEventSource(b, mem_ctx, &log_handle, &result);
 439
 440         return status;
 441 }
 442
 443 static NTSTATUS cmd_eventlog_backuplog(struct rpc_pipe_client *cli,
 444                                        TALLOC_CTX *mem_ctx,
 445                                        int argc,
 446                                        const char **argv)
 447 {
 448         NTSTATUS status, result;
 449         struct policy_handle handle;
 450         struct lsa_String backup_filename;
 451         const char *tmp;
 452         struct dcerpc_binding_handle *b = cli->binding_handle;
 453
 454         if (argc != 3) {
 455                 printf("Usage: %s logname backupname\n", argv[0]);
 456                 return NT_STATUS_OK;
 457         }
 458
 459         status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
 460         if (!NT_STATUS_IS_OK(status)) {
 461                 return status;
 462         }
 463
 464         tmp = talloc_asprintf(mem_ctx, "\\??\\%s", argv[2]);
 465         if (!tmp) {
 466                 status = NT_STATUS_NO_MEMORY;
 467                 goto done;
 468         }
 469
 470         init_lsa_String(&backup_filename, tmp);
 471
 472         status = dcerpc_eventlog_BackupEventLogW(b, mem_ctx,
 473                                                  &handle,
 474                                                  &backup_filename,
 475                                                  &result);
 476         if (!NT_STATUS_IS_OK(status)) {
 477                 goto done;
 478         }
 479         if (!NT_STATUS_IS_OK(result)) {
 480                 status = result;
 481                 goto done;
 482         }
 483
 484  done:
 485         dcerpc_eventlog_CloseEventLog(b, mem_ctx, &handle, &result);
 486
 487         return status;
 488 }
 489
 490 static NTSTATUS cmd_eventlog_loginfo(struct rpc_pipe_client *cli,
 491                                      TALLOC_CTX *mem_ctx,
 492                                      int argc,
 493                                      const char **argv)
 494 {
 495         NTSTATUS status, result;
 496         struct policy_handle handle;
 497         uint8_t *buffer = NULL;
 498         uint32_t buf_size = 0;
 499         uint32_t bytes_needed = 0;
 500         struct dcerpc_binding_handle *b = cli->binding_handle;
 501
 502         if (argc != 2) {
 503                 printf("Usage: %s logname\n", argv[0]);
 504                 return NT_STATUS_OK;
 505         }
 506
 507         status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
 508         if (!NT_STATUS_IS_OK(status)) {
 509                 return status;
 510         }
 511
 512         status = dcerpc_eventlog_GetLogInformation(b, mem_ctx,
 513                                                    &handle,
 514                                                    0, /* level */
 515                                                    buffer,
 516                                                    buf_size,
 517                                                    &bytes_needed,
 518                                                    &result);
 519         if (!NT_STATUS_IS_OK(status)) {
 520                 goto done;
 521         }
 522         if (!NT_STATUS_IS_OK(result) &&
 523             !NT_STATUS_EQUAL(result, NT_STATUS_BUFFER_TOO_SMALL)) {
 524                 goto done;
 525         }
 526
 527         buf_size = bytes_needed;
 528         buffer = talloc_array(mem_ctx, uint8_t, bytes_needed);
 529         if (!buffer) {
 530                 status = NT_STATUS_NO_MEMORY;
 531                 goto done;
 532         }
 533
 534         status = dcerpc_eventlog_GetLogInformation(b, mem_ctx,
 535                                                    &handle,
 536                                                    0, /* level */
 537                                                    buffer,
 538                                                    buf_size,
 539                                                    &bytes_needed,
 540                                                    &result);
 541         if (!NT_STATUS_IS_OK(status)) {
 542                 goto done;
 543         }
 544         if (!NT_STATUS_IS_OK(result)) {
 545                 status = result;
 546                 goto done;
 547         }
 548
 549  done:
 550         dcerpc_eventlog_CloseEventLog(b, mem_ctx, &handle, &result);
 551
 552         return status;
 553 }
 554
 555
 556 struct cmd_set eventlog_commands[] = {
 557         { "EVENTLOG" },
 558         { "eventlog_readlog",           RPC_RTYPE_NTSTATUS,     cmd_eventlog_readlog,           NULL,   &ndr_table_eventlog,    NULL,   "Read Eventlog", "" },
 559         { "eventlog_numrecord",         RPC_RTYPE_NTSTATUS,     cmd_eventlog_numrecords,        NULL,   &ndr_table_eventlog,    NULL,   "Get number of records", "" },
 560         { "eventlog_oldestrecord",      RPC_RTYPE_NTSTATUS,     cmd_eventlog_oldestrecord,      NULL,   &ndr_table_eventlog,    NULL,   "Get oldest record", "" },
 561         { "eventlog_reportevent",       RPC_RTYPE_NTSTATUS,     cmd_eventlog_reportevent,       NULL,   &ndr_table_eventlog,    NULL,   "Report event", "" },
 562         { "eventlog_reporteventsource", RPC_RTYPE_NTSTATUS,     cmd_eventlog_reporteventsource, NULL,   &ndr_table_eventlog,    NULL,   "Report event and source", "" },
 563         { "eventlog_registerevsource",  RPC_RTYPE_NTSTATUS,     cmd_eventlog_registerevsource,  NULL,   &ndr_table_eventlog,    NULL,   "Register event source", "" },
 564         { "eventlog_backuplog",         RPC_RTYPE_NTSTATUS,     cmd_eventlog_backuplog,         NULL,   &ndr_table_eventlog,    NULL,   "Backup Eventlog File", "" },
 565         { "eventlog_loginfo",           RPC_RTYPE_NTSTATUS,     cmd_eventlog_loginfo,           NULL,   &ndr_table_eventlog,    NULL,   "Get Eventlog Information", "" },
 566         { NULL }
 567 };