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-rw-r--r--source3/utils/net_eventlog.c313
1 files changed, 313 insertions, 0 deletions
diff --git a/source3/utils/net_eventlog.c b/source3/utils/net_eventlog.c
new file mode 100644
index 0000000000..197a7cd330
--- /dev/null
+++ b/source3/utils/net_eventlog.c
@@ -0,0 +1,313 @@
+/*
+ * 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();
+ enum ndr_err_code ndr_err;
+ DATA_BLOB blob;
+ uint32_t num_records = 0;
+ struct EVENTLOG_EVT_FILE evt;
+ ELOG_TDB *etdb = NULL;
+ uint32_t count = 1;
+ size_t endoffset = 0;
+
+ 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;
+ }
+
+ ZERO_STRUCT(evt);
+
+ while (1) {
+
+ struct eventlog_Record_tdb *r;
+ struct EVENTLOGRECORD e;
+
+ r = evlog_pull_record_tdb(ctx, etdb->tdb, count);
+ if (!r) {
+ break;
+ }
+
+ status = evlog_tdb_entry_to_evt_entry(ctx, r, &e);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
+ }
+
+ endoffset += ndr_size_EVENTLOGRECORD(&e, NULL, 0);
+
+ ADD_TO_ARRAY(ctx, struct EVENTLOGRECORD, e, &evt.records, &num_records);
+ count++;
+ }
+
+ evt.hdr.StartOffset = 0x30;
+ evt.hdr.EndOffset = evt.hdr.StartOffset + endoffset;
+ evt.hdr.CurrentRecordNumber = count;
+ evt.hdr.OldestRecordNumber = 1;
+ evt.hdr.MaxSize = tdb_fetch_int32(etdb->tdb, EVT_MAXSIZE);
+ evt.hdr.Flags = 0;
+ evt.hdr.Retention = tdb_fetch_int32(etdb->tdb, EVT_RETENTION);
+
+ if (DEBUGLEVEL >= 10) {
+ NDR_PRINT_DEBUG(EVENTLOGHEADER, &evt.hdr);
+ }
+
+ evt.eof.BeginRecord = 0x30;
+ evt.eof.EndRecord = evt.hdr.StartOffset + endoffset;
+ evt.eof.CurrentRecordNumber = evt.hdr.CurrentRecordNumber;
+ evt.eof.OldestRecordNumber = evt.hdr.OldestRecordNumber;
+
+ if (DEBUGLEVEL >= 10) {
+ NDR_PRINT_DEBUG(EVENTLOGEOF, &evt.eof);
+ }
+
+ ndr_err = ndr_push_struct_blob(&blob, ctx, NULL, &evt,
+ (ndr_push_flags_fn_t)ndr_push_EVENTLOG_EVT_FILE);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ d_fprintf(stderr, "evt push failed: %s\n", ndr_errstr(ndr_err));
+ 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,
+ "Dump eventlog",
+ "net eventlog dump\n"
+ " Dump win32 *.evt eventlog file"
+ },
+ {
+ "import",
+ net_eventlog_import,
+ NET_TRANSPORT_LOCAL,
+ "Import eventlog",
+ "net eventlog import\n"
+ " Import win32 *.evt eventlog file"
+ },
+ {
+ "export",
+ net_eventlog_export,
+ NET_TRANSPORT_LOCAL,
+ "Export eventlog",
+ "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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