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;
  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         }
  88
  89         status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
  90         if (!NT_STATUS_IS_OK(status)) {
  91                 return status;
  92         }
  93
  94         data = talloc_array(mem_ctx, uint8_t, number_of_bytes);
  95         if (data == NULL) {
  96                 goto done;
  97         }
  98
  99         do {
 100
 101                 enum ndr_err_code ndr_err;
 102                 DATA_BLOB blob;
 103                 struct EVENTLOGRECORD r;
 104                 uint32_t size = 0;
 105                 uint32_t pos = 0;
 106
 107                 status = dcerpc_eventlog_ReadEventLogW(b, mem_ctx,
 108                                                        &handle,
 109                                                        flags,
 110                                                        offset,
 111                                                        number_of_bytes,
 112                                                        data,
 113                                                        &sent_size,
 114                                                        &real_size,
 115                                                        &result);
 116                 if (!NT_STATUS_IS_OK(status)) {
 117                         return status;
 118                 }
 119                 if (NT_STATUS_EQUAL(result, NT_STATUS_BUFFER_TOO_SMALL) &&
 120                     real_size > 0 ) {
 121                         number_of_bytes = real_size;
 122                         data = talloc_realloc(mem_ctx, data, uint8_t, real_size);
 123                         if (data == NULL) {
 124                                 goto done;
 125                         }
 126                         status = dcerpc_eventlog_ReadEventLogW(b, mem_ctx,
 127                                                                &handle,
 128                                                                flags,
 129                                                                offset,
 130                                                                number_of_bytes,
 131                                                                data,
 132                                                                &sent_size,
 133                                                                &real_size,
 134                                                                &result);
 135                         if (!NT_STATUS_IS_OK(status)) {
 136                                 return status;
 137                         }
 138                 }
 139
 140                 if (!NT_STATUS_EQUAL(result, NT_STATUS_END_OF_FILE) &&
 141                     !NT_STATUS_IS_OK(result)) {
 142                         goto done;
 143                 }
 144
 145                 number_of_bytes = 0;
 146
 147                 size = IVAL(data, pos);
 148
 149                 while (size > 0) {
 150
 151                         blob = data_blob_const(data + pos, size);
 152                         /* dump_data(0, blob.data, blob.length); */
 153                         ndr_err = ndr_pull_struct_blob_all(&blob, mem_ctx, &r,
 154                                            (ndr_pull_flags_fn_t)ndr_pull_EVENTLOGRECORD);
 155                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 156                                 status = ndr_map_error2ntstatus(ndr_err);
 157                                 goto done;
 158                         }
 159
 160                         NDR_PRINT_DEBUG(EVENTLOGRECORD, &r);
 161
 162                         pos += size;
 163
 164                         if (pos + 4 > sent_size) {
 165                                 break;
 166                         }
 167
 168                         size = IVAL(data, pos);
 169                 }
 170
 171                 offset++;
 172
 173         } while (NT_STATUS_IS_OK(result));
 174
 175  done:
 176         dcerpc_eventlog_CloseEventLog(b, mem_ctx, &handle, &result);
 177
 178         return status;
 179 }
 180
 181 static NTSTATUS cmd_eventlog_numrecords(struct rpc_pipe_client *cli,
 182                                         TALLOC_CTX *mem_ctx,
 183                                         int argc,
 184                                         const char **argv)
 185 {
 186         NTSTATUS status, result;
 187         struct policy_handle handle;
 188         uint32_t number = 0;
 189         struct dcerpc_binding_handle *b = cli->binding_handle;
 190
 191         if (argc != 2) {
 192                 printf("Usage: %s logname\n", argv[0]);
 193                 return NT_STATUS_OK;
 194         }
 195
 196         status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
 197         if (!NT_STATUS_IS_OK(status)) {
 198                 return status;
 199         }
 200
 201         status = dcerpc_eventlog_GetNumRecords(b, mem_ctx,
 202                                                &handle,
 203                                                &number,
 204                                                &result);
 205         if (!NT_STATUS_IS_OK(status)) {
 206                 goto done;
 207         }
 208         if (!NT_STATUS_IS_OK(result)) {
 209                 status = result;
 210                 goto done;
 211         }
 212
 213         printf("number of records: %d\n", number);
 214
 215  done:
 216         dcerpc_eventlog_CloseEventLog(b, mem_ctx, &handle, &result);
 217
 218         return status;
 219 }
 220
 221 static NTSTATUS cmd_eventlog_oldestrecord(struct rpc_pipe_client *cli,
 222                                           TALLOC_CTX *mem_ctx,
 223                                           int argc,
 224                                           const char **argv)
 225 {
 226         NTSTATUS status, result;
 227         struct policy_handle handle;
 228         uint32_t oldest_entry = 0;
 229         struct dcerpc_binding_handle *b = cli->binding_handle;
 230
 231         if (argc != 2) {
 232                 printf("Usage: %s logname\n", argv[0]);
 233                 return NT_STATUS_OK;
 234         }
 235
 236         status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
 237         if (!NT_STATUS_IS_OK(status)) {
 238                 return status;
 239         }
 240
 241         status = dcerpc_eventlog_GetOldestRecord(b, mem_ctx,
 242                                                  &handle,
 243                                                  &oldest_entry,
 244                                                  &result);
 245         if (!NT_STATUS_IS_OK(status)) {
 246                 goto done;
 247         }
 248         if (!NT_STATUS_IS_OK(result)) {
 249                 status = result;
 250                 goto done;
 251         }
 252
 253         printf("oldest entry: %d\n", oldest_entry);
 254
 255  done:
 256         dcerpc_eventlog_CloseEventLog(b, mem_ctx, &handle, &result);
 257
 258         return status;
 259 }
 260
 261 static NTSTATUS cmd_eventlog_reportevent(struct rpc_pipe_client *cli,
 262                                          TALLOC_CTX *mem_ctx,
 263                                          int argc,
 264                                          const char **argv)
 265 {
 266         NTSTATUS status, result;
 267         struct policy_handle handle;
 268         struct dcerpc_binding_handle *b = cli->binding_handle;
 269
 270         uint16_t num_of_strings = 1;
 271         uint32_t data_size = 0;
 272         struct lsa_String servername;
 273         struct lsa_String *strings;
 274         uint8_t *data = NULL;
 275         uint32_t record_number = 0;
 276         time_t time_written = 0;
 277
 278         if (argc != 2) {
 279                 printf("Usage: %s logname\n", argv[0]);
 280                 return NT_STATUS_OK;
 281         }
 282
 283         status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
 284         if (!NT_STATUS_IS_OK(status)) {
 285                 return status;
 286         }
 287
 288         strings = talloc_array(mem_ctx, struct lsa_String, num_of_strings);
 289         if (!strings) {
 290                 return NT_STATUS_NO_MEMORY;
 291         }
 292
 293         init_lsa_String(&strings[0], "test event written by rpcclient\n");
 294         init_lsa_String(&servername, NULL);
 295
 296         status = dcerpc_eventlog_ReportEventW(b, mem_ctx,
 297                                               &handle,
 298                                               time(NULL),
 299                                               EVENTLOG_INFORMATION_TYPE,
 300                                               0, /* event_category */
 301                                               0, /* event_id */
 302                                               num_of_strings,
 303                                               data_size,
 304                                               &servername,
 305                                               NULL, /* user_sid */
 306                                               &strings,
 307                                               data,
 308                                               0, /* flags */
 309                                               &record_number,
 310                                               &time_written,
 311                                               &result);
 312
 313         if (!NT_STATUS_IS_OK(status)) {
 314                 goto done;
 315         }
 316         if (!NT_STATUS_IS_OK(result)) {
 317                 status = result;
 318                 goto done;
 319         }
 320
 321         printf("entry: %d written at %s\n", record_number,
 322                 http_timestring(talloc_tos(), time_written));
 323
 324  done:
 325         dcerpc_eventlog_CloseEventLog(b, mem_ctx, &handle, &result);
 326
 327         return status;
 328 }
 329
 330 static NTSTATUS cmd_eventlog_reporteventsource(struct rpc_pipe_client *cli,
 331                                                TALLOC_CTX *mem_ctx,
 332                                                int argc,
 333                                                const char **argv)
 334 {
 335         NTSTATUS status, result;
 336         struct policy_handle handle;
 337         struct dcerpc_binding_handle *b = cli->binding_handle;
 338
 339         uint16_t num_of_strings = 1;
 340         uint32_t data_size = 0;
 341         struct lsa_String servername, sourcename;
 342         struct lsa_String *strings;
 343         uint8_t *data = NULL;
 344         uint32_t record_number = 0;
 345         time_t time_written = 0;
 346
 347         if (argc != 2) {
 348                 printf("Usage: %s logname\n", argv[0]);
 349                 return NT_STATUS_OK;
 350         }
 351
 352         status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
 353         if (!NT_STATUS_IS_OK(status)) {
 354                 return status;
 355         }
 356
 357         strings = talloc_array(mem_ctx, struct lsa_String, num_of_strings);
 358         if (!strings) {
 359                 return NT_STATUS_NO_MEMORY;
 360         }
 361
 362         init_lsa_String(&strings[0], "test event written by rpcclient\n");
 363         init_lsa_String(&servername, NULL);
 364         init_lsa_String(&sourcename, "rpcclient");
 365
 366         status = dcerpc_eventlog_ReportEventAndSourceW(b, mem_ctx,
 367                                                        &handle,
 368                                                        time(NULL),
 369                                                        EVENTLOG_INFORMATION_TYPE,
 370                                                        0, /* event_category */
 371                                                        0, /* event_id */
 372                                                        &sourcename,
 373                                                        num_of_strings,
 374                                                        data_size,
 375                                                        &servername,
 376                                                        NULL, /* user_sid */
 377                                                        &strings,
 378                                                        data,
 379                                                        0, /* flags */
 380                                                        &record_number,
 381                                                        &time_written,
 382                                                        &result);
 383         if (!NT_STATUS_IS_OK(status)) {
 384                 goto done;
 385         }
 386         if (!NT_STATUS_IS_OK(result)) {
 387                 status = result;
 388                 goto done;
 389         }
 390
 391         printf("entry: %d written at %s\n", record_number,
 392                 http_timestring(talloc_tos(), time_written));
 393
 394  done:
 395         dcerpc_eventlog_CloseEventLog(b, mem_ctx, &handle, &result);
 396
 397         return status;
 398 }
 399
 400 static NTSTATUS cmd_eventlog_registerevsource(struct rpc_pipe_client *cli,
 401                                               TALLOC_CTX *mem_ctx,
 402                                               int argc,
 403                                               const char **argv)
 404 {
 405         NTSTATUS status, result;
 406         struct policy_handle log_handle;
 407         struct lsa_String module_name, reg_module_name;
 408         struct eventlog_OpenUnknown0 unknown0;
 409         struct dcerpc_binding_handle *b = cli->binding_handle;
 410
 411         unknown0.unknown0 = 0x005c;
 412         unknown0.unknown1 = 0x0001;
 413
 414         if (argc != 2) {
 415                 printf("Usage: %s logname\n", argv[0]);
 416                 return NT_STATUS_OK;
 417         }
 418
 419         init_lsa_String(&module_name, "rpcclient");
 420         init_lsa_String(&reg_module_name, NULL);
 421
 422         status = dcerpc_eventlog_RegisterEventSourceW(b, mem_ctx,
 423                                                       &unknown0,
 424                                                       &module_name,
 425                                                       &reg_module_name,
 426                                                       1, /* major_version */
 427                                                       1, /* minor_version */
 428                                                       &log_handle,
 429                                                       &result);
 430         if (!NT_STATUS_IS_OK(status)) {
 431                 goto done;
 432         }
 433         if (!NT_STATUS_IS_OK(result)) {
 434                 status = result;
 435                 goto done;
 436         }
 437
 438  done:
 439         dcerpc_eventlog_DeregisterEventSource(b, mem_ctx, &log_handle, &result);
 440
 441         return status;
 442 }
 443
 444 static NTSTATUS cmd_eventlog_backuplog(struct rpc_pipe_client *cli,
 445                                        TALLOC_CTX *mem_ctx,
 446                                        int argc,
 447                                        const char **argv)
 448 {
 449         NTSTATUS status, result;
 450         struct policy_handle handle;
 451         struct lsa_String backup_filename;
 452         const char *tmp;
 453         struct dcerpc_binding_handle *b = cli->binding_handle;
 454
 455         if (argc != 3) {
 456                 printf("Usage: %s logname backupname\n", argv[0]);
 457                 return NT_STATUS_OK;
 458         }
 459
 460         status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
 461         if (!NT_STATUS_IS_OK(status)) {
 462                 return status;
 463         }
 464
 465         tmp = talloc_asprintf(mem_ctx, "\\??\\%s", argv[2]);
 466         if (!tmp) {
 467                 status = NT_STATUS_NO_MEMORY;
 468                 goto done;
 469         }
 470
 471         init_lsa_String(&backup_filename, tmp);
 472
 473         status = dcerpc_eventlog_BackupEventLogW(b, mem_ctx,
 474                                                  &handle,
 475                                                  &backup_filename,
 476                                                  &result);
 477         if (!NT_STATUS_IS_OK(status)) {
 478                 goto done;
 479         }
 480         if (!NT_STATUS_IS_OK(result)) {
 481                 status = result;
 482                 goto done;
 483         }
 484
 485  done:
 486         dcerpc_eventlog_CloseEventLog(b, mem_ctx, &handle, &result);
 487
 488         return status;
 489 }
 490
 491 static NTSTATUS cmd_eventlog_loginfo(struct rpc_pipe_client *cli,
 492                                      TALLOC_CTX *mem_ctx,
 493                                      int argc,
 494                                      const char **argv)
 495 {
 496         NTSTATUS status, result;
 497         struct policy_handle handle;
 498         uint8_t *buffer = NULL;
 499         uint32_t buf_size = 0;
 500         uint32_t bytes_needed = 0;
 501         struct dcerpc_binding_handle *b = cli->binding_handle;
 502
 503         if (argc != 2) {
 504                 printf("Usage: %s logname\n", argv[0]);
 505                 return NT_STATUS_OK;
 506         }
 507
 508         status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
 509         if (!NT_STATUS_IS_OK(status)) {
 510                 return status;
 511         }
 512
 513         buffer = talloc_array(mem_ctx, uint8_t, bytes_needed);
 514         if (buffer == NULL) {
 515                 status = NT_STATUS_NO_MEMORY;
 516                 goto done;
 517         }
 518
 519         status = dcerpc_eventlog_GetLogInformation(b, mem_ctx,
 520                                                    &handle,
 521                                                    0, /* level */
 522                                                    buffer,
 523                                                    buf_size,
 524                                                    &bytes_needed,
 525                                                    &result);
 526         if (!NT_STATUS_IS_OK(status)) {
 527                 goto done;
 528         }
 529         if (!NT_STATUS_IS_OK(result) &&
 530             !NT_STATUS_EQUAL(result, NT_STATUS_BUFFER_TOO_SMALL)) {
 531                 goto done;
 532         }
 533
 534         buf_size = bytes_needed;
 535         buffer = talloc_realloc(mem_ctx, buffer, uint8_t, bytes_needed);
 536         if (buffer == NULL) {
 537                 status = NT_STATUS_NO_MEMORY;
 538                 goto done;
 539         }
 540
 541         status = dcerpc_eventlog_GetLogInformation(b, mem_ctx,
 542                                                    &handle,
 543                                                    0, /* level */
 544                                                    buffer,
 545                                                    buf_size,
 546                                                    &bytes_needed,
 547                                                    &result);
 548         if (!NT_STATUS_IS_OK(status)) {
 549                 goto done;
 550         }
 551         if (!NT_STATUS_IS_OK(result)) {
 552                 status = result;
 553                 goto done;
 554         }
 555
 556  done:
 557         dcerpc_eventlog_CloseEventLog(b, mem_ctx, &handle, &result);
 558
 559         return status;
 560 }
 561
 562
 563 struct cmd_set eventlog_commands[] = {
 564         { "EVENTLOG" },
 565         { "eventlog_readlog",           RPC_RTYPE_NTSTATUS,     cmd_eventlog_readlog,           NULL,   &ndr_table_eventlog,    NULL,   "Read Eventlog", "" },
 566         { "eventlog_numrecord",         RPC_RTYPE_NTSTATUS,     cmd_eventlog_numrecords,        NULL,   &ndr_table_eventlog,    NULL,   "Get number of records", "" },
 567         { "eventlog_oldestrecord",      RPC_RTYPE_NTSTATUS,     cmd_eventlog_oldestrecord,      NULL,   &ndr_table_eventlog,    NULL,   "Get oldest record", "" },
 568         { "eventlog_reportevent",       RPC_RTYPE_NTSTATUS,     cmd_eventlog_reportevent,       NULL,   &ndr_table_eventlog,    NULL,   "Report event", "" },
 569         { "eventlog_reporteventsource", RPC_RTYPE_NTSTATUS,     cmd_eventlog_reporteventsource, NULL,   &ndr_table_eventlog,    NULL,   "Report event and source", "" },
 570         { "eventlog_registerevsource",  RPC_RTYPE_NTSTATUS,     cmd_eventlog_registerevsource,  NULL,   &ndr_table_eventlog,    NULL,   "Register event source", "" },
 571         { "eventlog_backuplog",         RPC_RTYPE_NTSTATUS,     cmd_eventlog_backuplog,         NULL,   &ndr_table_eventlog,    NULL,   "Backup Eventlog File", "" },
 572         { "eventlog_loginfo",           RPC_RTYPE_NTSTATUS,     cmd_eventlog_loginfo,           NULL,   &ndr_table_eventlog,    NULL,   "Get Eventlog Information", "" },
 573         { NULL }
 574 };