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