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/*
* Samba Unix/Linux SMB client library
* Distributed SMB/CIFS Server Management Utility
* Local win32 eventlog interface
*
* Copyright (C) Guenther Deschner 2009
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "utils/net.h"
/**
* Dump an *evt win32 eventlog file
*
* @param argc Standard main() style argc.
* @param argv Standard main() style argv. Initial components are already
* stripped.
*
* @return A shell status integer (0 for success).
**/
static int net_eventlog_dump(struct net_context *c, int argc,
const char **argv)
{
int ret = -1;
TALLOC_CTX *ctx = talloc_stackframe();
enum ndr_err_code ndr_err;
DATA_BLOB blob;
struct EVENTLOG_EVT_FILE evt;
char *s;
if (argc < 1 || c->display_usage) {
d_fprintf(stderr, _("usage: net eventlog dump <file.evt>\n"));
goto done;
}
blob.data = (uint8_t *)file_load(argv[0], &blob.length, 0, ctx);
if (!blob.data) {
d_fprintf(stderr, _("failed to load evt file: %s\n"), argv[0]);
goto done;
}
ndr_err = ndr_pull_struct_blob(&blob, ctx, NULL, &evt,
(ndr_pull_flags_fn_t)ndr_pull_EVENTLOG_EVT_FILE);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
d_fprintf(stderr, _("evt pull failed: %s\n"),
ndr_errstr(ndr_err));
goto done;
}
s = NDR_PRINT_STRUCT_STRING(ctx, EVENTLOG_EVT_FILE, &evt);
if (s) {
printf("%s\n", s);
}
ret = 0;
done:
TALLOC_FREE(ctx);
return ret;
}
/**
* Import an *evt win32 eventlog file to internal tdb representation
*
* @param argc Standard main() style argc.
* @param argv Standard main() style argv. Initial components are already
* stripped.
*
* @return A shell status integer (0 for success).
**/
static int net_eventlog_import(struct net_context *c, int argc,
const char **argv)
{
int ret = -1;
TALLOC_CTX *ctx = talloc_stackframe();
NTSTATUS status;
enum ndr_err_code ndr_err;
DATA_BLOB blob;
uint32_t num_records = 0;
uint32_t i;
ELOG_TDB *etdb = NULL;
struct EVENTLOGHEADER evt_header;
struct EVENTLOG_EVT_FILE evt;
if (argc < 2 || c->display_usage) {
d_fprintf(stderr,
_("usage: net eventlog import <file> <eventlog>\n"));
goto done;
}
blob.data = (uint8_t *)file_load(argv[0], &blob.length, 0, ctx);
if (!blob.data) {
d_fprintf(stderr, _("failed to load evt file: %s\n"), argv[0]);
goto done;
}
/* dump_data(0, blob.data, blob.length); */
ndr_err = ndr_pull_struct_blob(&blob, ctx, NULL, &evt_header,
(ndr_pull_flags_fn_t)ndr_pull_EVENTLOGHEADER);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
d_fprintf(stderr, _("evt header pull failed: %s\n"),
ndr_errstr(ndr_err));
goto done;
}
if (evt_header.Flags & ELF_LOGFILE_HEADER_WRAP) {
d_fprintf(stderr, _("input file is wrapped, cannot proceed\n"));
goto done;
}
ndr_err = ndr_pull_struct_blob(&blob, ctx, NULL, &evt,
(ndr_pull_flags_fn_t)ndr_pull_EVENTLOG_EVT_FILE);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
d_fprintf(stderr, _("evt pull failed: %s\n"),
ndr_errstr(ndr_err));
goto done;
}
/* NDR_PRINT_DEBUG(EVENTLOG_EVT_FILE, &evt); */
etdb = elog_open_tdb(argv[1], false, false);
if (!etdb) {
d_fprintf(stderr, _("can't open the eventlog TDB (%s)\n"),
argv[1]);
goto done;
}
num_records = evt.hdr.CurrentRecordNumber - evt.hdr.OldestRecordNumber;
for (i=0; i<num_records; i++) {
uint32_t record_number;
struct eventlog_Record_tdb e;
status = evlog_evt_entry_to_tdb_entry(ctx, &evt.records[i], &e);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
status = evlog_push_record_tdb(ctx, ELOG_TDB_CTX(etdb),
&e, &record_number);
if (!NT_STATUS_IS_OK(status)) {
d_fprintf(stderr,
_("can't write to the eventlog: %s\n"),
nt_errstr(status));
goto done;
}
}
printf(_("wrote %d entries to tdb\n"), i);
ret = 0;
done:
elog_close_tdb(etdb, false);
TALLOC_FREE(ctx);
return ret;
}
/**
* Export internal eventlog tdb representation to an *evt win32 eventlog file
*
* @param argc Standard main() style argc.
* @param argv Standard main() style argv. Initial components are already
* stripped.
*
* @return A shell status integer (0 for success).
**/
static int net_eventlog_export(struct net_context *c, int argc,
const char **argv)
{
int ret = -1;
NTSTATUS status;
TALLOC_CTX *ctx = talloc_stackframe();
DATA_BLOB blob;
uint32_t num_records = 0;
ELOG_TDB *etdb = NULL;
if (argc < 2 || c->display_usage) {
d_fprintf(stderr,
_("usage: net eventlog export <file> <eventlog>\n"));
goto done;
}
etdb = elog_open_tdb(argv[1], false, true);
if (!etdb) {
d_fprintf(stderr, _("can't open the eventlog TDB (%s)\n"),
argv[1]);
goto done;
}
status = evlog_convert_tdb_to_evt(ctx, etdb, &blob, &num_records);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
if (!file_save(argv[0], blob.data, blob.length)) {
d_fprintf(stderr, _("failed to save evt file: %s\n"), argv[0]);
goto done;
}
ret = 0;
done:
elog_close_tdb(etdb, false);
TALLOC_FREE(ctx);
return ret;
}
/**
* 'net rpc eventlog' entrypoint.
* @param argc Standard main() style argc.
* @param argv Standard main() style argv. Initial components are already
* stripped.
**/
int net_eventlog(struct net_context *c, int argc, const char **argv)
{
int ret = -1;
struct functable func[] = {
{
"dump",
net_eventlog_dump,
NET_TRANSPORT_LOCAL,
N_("Dump eventlog"),
N_("net eventlog dump\n"
" Dump win32 *.evt eventlog file")
},
{
"import",
net_eventlog_import,
NET_TRANSPORT_LOCAL,
N_("Import eventlog"),
N_("net eventlog import\n"
" Import win32 *.evt eventlog file")
},
{
"export",
net_eventlog_export,
NET_TRANSPORT_LOCAL,
N_("Export eventlog"),
N_("net eventlog export\n"
" Export win32 *.evt eventlog file")
},
{ NULL, NULL, 0, NULL, NULL }
};
ret = net_run_function(c, argc, argv, "net eventlog", func);
return ret;
}
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