LCOV - code coverage report
Current view: top level - source3/utils - net_eventlog.c (source / functions) Hit Total Coverage
Test: coverage report for master 98b443d9 Lines: 0 108 0.0 %
Date: 2024-05-31 13:13:24 Functions: 0 4 0.0 %

          Line data    Source code
       1             : /*
       2             :  * Samba Unix/Linux SMB client library
       3             :  * Distributed SMB/CIFS Server Management Utility
       4             :  * Local win32 eventlog interface
       5             :  *
       6             :  * Copyright (C) Guenther Deschner 2009
       7             :  *
       8             :  * This program is free software; you can redistribute it and/or modify
       9             :  * it under the terms of the GNU General Public License as published by
      10             :  * the Free Software Foundation; either version 3 of the License, or
      11             :  * (at your option) any later version.
      12             :  *
      13             :  * This program is distributed in the hope that it will be useful,
      14             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      15             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      16             :  * GNU General Public License for more details.
      17             :  *
      18             :  * You should have received a copy of the GNU General Public License
      19             :  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
      20             :  */
      21             : 
      22             : #include "includes.h"
      23             : #include "utils/net.h"
      24             : #include "lib/eventlog/eventlog.h"
      25             : #include "lib/util/util_file.h"
      26             : 
      27             : /**
      28             :  * Dump an *evt win32 eventlog file
      29             :  *
      30             :  * @param argc  Standard main() style argc.
      31             :  * @param argv  Standard main() style argv. Initial components are already
      32             :  *              stripped.
      33             :  *
      34             :  * @return A shell status integer (0 for success).
      35             :  **/
      36             : 
      37           0 : static int net_eventlog_dump(struct net_context *c, int argc,
      38             :                              const char **argv)
      39             : {
      40           0 :         int ret = -1;
      41           0 :         TALLOC_CTX *ctx = talloc_stackframe();
      42           0 :         enum ndr_err_code ndr_err;
      43           0 :         DATA_BLOB blob;
      44           0 :         struct EVENTLOG_EVT_FILE evt;
      45           0 :         char *s;
      46             : 
      47           0 :         if (argc < 1 || c->display_usage) {
      48           0 :                 d_fprintf(stderr, "%s\nnet eventlog dump <file.evt>\n",
      49             :                           _("Usage:"));
      50           0 :                 goto done;
      51             :         }
      52             : 
      53           0 :         blob.data = (uint8_t *)file_load(argv[0], &blob.length, 0, ctx);
      54           0 :         if (!blob.data) {
      55           0 :                 d_fprintf(stderr, _("failed to load evt file: %s\n"), argv[0]);
      56           0 :                 goto done;
      57             :         }
      58             : 
      59           0 :         ndr_err = ndr_pull_struct_blob(&blob, ctx, &evt,
      60             :                    (ndr_pull_flags_fn_t)ndr_pull_EVENTLOG_EVT_FILE);
      61           0 :         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
      62           0 :                 d_fprintf(stderr, _("evt pull failed: %s\n"),
      63             :                           ndr_errstr(ndr_err));
      64           0 :                 goto done;
      65             :         }
      66             : 
      67           0 :         s = NDR_PRINT_STRUCT_STRING(ctx, EVENTLOG_EVT_FILE, &evt);
      68           0 :         if (s) {
      69           0 :                 printf("%s\n", s);
      70             :         }
      71             : 
      72           0 :         ret = 0;
      73           0 :  done:
      74           0 :         TALLOC_FREE(ctx);
      75           0 :         return ret;
      76             : }
      77             : 
      78             : /**
      79             :  * Import an *evt win32 eventlog file to internal tdb representation
      80             :  *
      81             :  * @param argc  Standard main() style argc.
      82             :  * @param argv  Standard main() style argv. Initial components are already
      83             :  *              stripped.
      84             :  *
      85             :  * @return A shell status integer (0 for success).
      86             :  **/
      87             : 
      88           0 : static int net_eventlog_import(struct net_context *c, int argc,
      89             :                                const char **argv)
      90             : {
      91           0 :         int ret = -1;
      92           0 :         TALLOC_CTX *ctx = talloc_stackframe();
      93           0 :         NTSTATUS status;
      94           0 :         enum ndr_err_code ndr_err;
      95           0 :         DATA_BLOB blob;
      96           0 :         uint32_t num_records = 0;
      97           0 :         uint32_t i;
      98           0 :         ELOG_TDB *etdb = NULL;
      99             : 
     100           0 :         struct EVENTLOGHEADER evt_header;
     101           0 :         struct EVENTLOG_EVT_FILE evt;
     102             : 
     103           0 :         if (argc < 2 || c->display_usage) {
     104           0 :                 d_fprintf(stderr,
     105             :                           "%s\nnet eventlog import <file> <eventlog>\n",
     106             :                           _("Usage:"));
     107           0 :                 goto done;
     108             :         }
     109             : 
     110           0 :         blob.data = (uint8_t *)file_load(argv[0], &blob.length, 0, ctx);
     111           0 :         if (!blob.data) {
     112           0 :                 d_fprintf(stderr, _("failed to load evt file: %s\n"), argv[0]);
     113           0 :                 goto done;
     114             :         }
     115             : 
     116             :         /* dump_data(0, blob.data, blob.length); */
     117           0 :         ndr_err = ndr_pull_struct_blob(&blob, ctx, &evt_header,
     118             :                    (ndr_pull_flags_fn_t)ndr_pull_EVENTLOGHEADER);
     119           0 :         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
     120           0 :                 d_fprintf(stderr, _("evt header pull failed: %s\n"),
     121             :                           ndr_errstr(ndr_err));
     122           0 :                 goto done;
     123             :         }
     124             : 
     125           0 :         if (evt_header.Flags & ELF_LOGFILE_HEADER_WRAP) {
     126           0 :                 d_fprintf(stderr, _("input file is wrapped, cannot proceed\n"));
     127           0 :                 goto done;
     128             :         }
     129             : 
     130           0 :         ndr_err = ndr_pull_struct_blob(&blob, ctx, &evt,
     131             :                    (ndr_pull_flags_fn_t)ndr_pull_EVENTLOG_EVT_FILE);
     132           0 :         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
     133           0 :                 d_fprintf(stderr, _("evt pull failed: %s\n"),
     134             :                           ndr_errstr(ndr_err));
     135           0 :                 goto done;
     136             :         }
     137             : 
     138             :         /* NDR_PRINT_DEBUG(EVENTLOG_EVT_FILE, &evt); */
     139             : 
     140           0 :         etdb = elog_open_tdb(argv[1], false, false);
     141           0 :         if (!etdb) {
     142           0 :                 d_fprintf(stderr, _("can't open the eventlog TDB (%s)\n"),
     143           0 :                           argv[1]);
     144           0 :                 goto done;
     145             :         }
     146             : 
     147           0 :         num_records = evt.hdr.CurrentRecordNumber - evt.hdr.OldestRecordNumber;
     148             : 
     149           0 :         for (i=0; i<num_records; i++) {
     150           0 :                 uint32_t record_number;
     151           0 :                 struct eventlog_Record_tdb e;
     152             : 
     153           0 :                 status = evlog_evt_entry_to_tdb_entry(ctx, &evt.records[i], &e);
     154           0 :                 if (!NT_STATUS_IS_OK(status)) {
     155           0 :                         goto done;
     156             :                 }
     157             : 
     158           0 :                 status = evlog_push_record_tdb(ctx, ELOG_TDB_CTX(etdb),
     159             :                                                &e, &record_number);
     160           0 :                 if (!NT_STATUS_IS_OK(status)) {
     161           0 :                         d_fprintf(stderr,
     162           0 :                                   _("can't write to the eventlog: %s\n"),
     163             :                                   nt_errstr(status));
     164           0 :                         goto done;
     165             :                 }
     166             :         }
     167             : 
     168           0 :         printf(_("wrote %d entries to tdb\n"), i);
     169             : 
     170           0 :         ret = 0;
     171           0 :  done:
     172             : 
     173           0 :         elog_close_tdb(etdb, false);
     174             : 
     175           0 :         TALLOC_FREE(ctx);
     176           0 :         return ret;
     177             : }
     178             : 
     179             : /**
     180             :  * Export internal eventlog tdb representation to an *evt win32 eventlog file
     181             :  *
     182             :  * @param argc  Standard main() style argc.
     183             :  * @param argv  Standard main() style argv. Initial components are already
     184             :  *              stripped.
     185             :  *
     186             :  * @return A shell status integer (0 for success).
     187             :  **/
     188             : 
     189           0 : static int net_eventlog_export(struct net_context *c, int argc,
     190             :                                const char **argv)
     191             : {
     192           0 :         int ret = -1;
     193           0 :         NTSTATUS status;
     194           0 :         TALLOC_CTX *ctx = talloc_stackframe();
     195           0 :         DATA_BLOB blob;
     196           0 :         uint32_t num_records = 0;
     197           0 :         ELOG_TDB *etdb = NULL;
     198             : 
     199           0 :         if (argc < 2 || c->display_usage) {
     200           0 :                 d_fprintf(stderr,
     201             :                           "%s\nnet eventlog export <file> <eventlog>\n",
     202             :                           _("Usage:"));
     203           0 :                 goto done;
     204             :         }
     205             : 
     206           0 :         etdb = elog_open_tdb(argv[1], false, true);
     207           0 :         if (!etdb) {
     208           0 :                 d_fprintf(stderr, _("can't open the eventlog TDB (%s)\n"),
     209           0 :                           argv[1]);
     210           0 :                 goto done;
     211             :         }
     212             : 
     213           0 :         status = evlog_convert_tdb_to_evt(ctx, etdb, &blob, &num_records);
     214           0 :         if (!NT_STATUS_IS_OK(status)) {
     215           0 :                 goto done;
     216             :         }
     217             : 
     218           0 :         if (!file_save(argv[0], blob.data, blob.length)) {
     219           0 :                 d_fprintf(stderr, _("failed to save evt file: %s\n"), argv[0]);
     220           0 :                 goto done;
     221             :         }
     222             : 
     223           0 :         ret = 0;
     224           0 :  done:
     225             : 
     226           0 :         elog_close_tdb(etdb, false);
     227             : 
     228           0 :         TALLOC_FREE(ctx);
     229           0 :         return ret;
     230             : }
     231             : 
     232             : /**
     233             :  * 'net rpc eventlog' entrypoint.
     234             :  * @param argc  Standard main() style argc.
     235             :  * @param argv  Standard main() style argv. Initial components are already
     236             :  *              stripped.
     237             :  **/
     238             : 
     239           0 : int net_eventlog(struct net_context *c, int argc, const char **argv)
     240             : {
     241           0 :         int ret = -1;
     242             : 
     243           0 :         struct functable func[] = {
     244             :                 {
     245             :                         "dump",
     246             :                         net_eventlog_dump,
     247             :                         NET_TRANSPORT_LOCAL,
     248             :                         N_("Dump eventlog"),
     249             :                         N_("net eventlog dump\n"
     250             :                            "    Dump win32 *.evt eventlog file")
     251             :                 },
     252             :                 {
     253             :                         "import",
     254             :                         net_eventlog_import,
     255             :                         NET_TRANSPORT_LOCAL,
     256             :                         N_("Import eventlog"),
     257             :                         N_("net eventlog import\n"
     258             :                            "    Import win32 *.evt eventlog file")
     259             :                 },
     260             :                 {
     261             :                         "export",
     262             :                         net_eventlog_export,
     263             :                         NET_TRANSPORT_LOCAL,
     264             :                         N_("Export eventlog"),
     265             :                         N_("net eventlog export\n"
     266             :                            "    Export win32 *.evt eventlog file")
     267             :                 },
     268             : 
     269             : 
     270             :         { NULL, NULL, 0, NULL, NULL }
     271             :         };
     272             : 
     273           0 :         ret = net_run_function(c, argc, argv, "net eventlog", func);
     274             : 
     275           0 :         return ret;
     276             : }

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