summaryrefslogtreecommitdiff
path: root/source3/rpcclient/cmd_eventlog.c
blob: a8373f466d8abe544ac4ee0c49bb1d35cd819dc9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
/*
   Unix SMB/CIFS implementation.
   RPC pipe client

   Copyright (C) Günther 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 "rpcclient.h"

static NTSTATUS get_eventlog_handle(struct rpc_pipe_client *cli,
				    TALLOC_CTX *mem_ctx,
				    const char *log,
				    struct policy_handle *handle)
{
	NTSTATUS status;
	struct eventlog_OpenUnknown0 unknown0;
	struct lsa_String logname, servername;

	unknown0.unknown0 = 0x005c;
	unknown0.unknown1 = 0x0001;

	init_lsa_String(&logname, log);
	init_lsa_String(&servername, NULL);

	status = rpccli_eventlog_OpenEventLogW(cli, mem_ctx,
					       &unknown0,
					       &logname,
					       &servername,
					       0x00000001, /* major */
					       0x00000001, /* minor */
					       handle);
	if (!NT_STATUS_IS_OK(status)) {
		return status;
	}

	return NT_STATUS_OK;
}

static NTSTATUS cmd_eventlog_readlog(struct rpc_pipe_client *cli,
				     TALLOC_CTX *mem_ctx,
				     int argc,
				     const char **argv)
{
	NTSTATUS status;
	struct policy_handle handle;

	uint32_t flags = EVENTLOG_BACKWARDS_READ |
			 EVENTLOG_SEQUENTIAL_READ;
	uint32_t offset = 0;
	uint32_t number_of_bytes = 0;
	uint8_t *data = NULL;
	uint32_t sent_size = 0;
	uint32_t real_size = 0;

	if (argc < 2 || argc > 4) {
		printf("Usage: %s logname [offset]\n", argv[0]);
		return NT_STATUS_OK;
	}

	if (argc >= 3) {
		offset = atoi(argv[2]);
	}

	status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
	if (!NT_STATUS_IS_OK(status)) {
		return status;
	}

	while (1) {
		status = rpccli_eventlog_ReadEventLogW(cli, mem_ctx,
						       &handle,
						       flags,
						       offset,
						       number_of_bytes,
						       data,
						       &sent_size,
						       &real_size);
		if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL) &&
		    real_size > 0 ) {
			number_of_bytes = real_size;
			data = talloc_array(mem_ctx, uint8_t, real_size);
			continue;
		}

		number_of_bytes = 0;

		if (!NT_STATUS_IS_OK(status)) {
			goto done;
		}

		{
			enum ndr_err_code ndr_err;
			DATA_BLOB blob;
			struct eventlog_Record rec;

			blob = data_blob_const(data, sent_size);

			ndr_err = ndr_pull_struct_blob_all(&blob, mem_ctx, NULL,
							   &rec,
							   (ndr_pull_flags_fn_t)ndr_pull_eventlog_Record);
			if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
				status = ndr_map_error2ntstatus(ndr_err);
				goto done;
			}

			NDR_PRINT_DEBUG(eventlog_Record, &rec);
		}

		offset++;
	}

 done:
	rpccli_eventlog_CloseEventLog(cli, mem_ctx, &handle);

	return status;
}

static NTSTATUS cmd_eventlog_numrecords(struct rpc_pipe_client *cli,
					TALLOC_CTX *mem_ctx,
					int argc,
					const char **argv)
{
	NTSTATUS status;
	struct policy_handle handle;
	uint32_t number = 0;

	if (argc != 2) {
		printf("Usage: %s logname\n", argv[0]);
		return NT_STATUS_OK;
	}

	status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
	if (!NT_STATUS_IS_OK(status)) {
		return status;
	}

	status = rpccli_eventlog_GetNumRecords(cli, mem_ctx,
					       &handle,
					       &number);
	if (!NT_STATUS_IS_OK(status)) {
		goto done;
	}

	printf("number of records: %d\n", number);

 done:
	rpccli_eventlog_CloseEventLog(cli, mem_ctx, &handle);

	return status;
}

static NTSTATUS cmd_eventlog_oldestrecord(struct rpc_pipe_client *cli,
					  TALLOC_CTX *mem_ctx,
					  int argc,
					  const char **argv)
{
	NTSTATUS status;
	struct policy_handle handle;
	uint32_t oldest_entry = 0;

	if (argc != 2) {
		printf("Usage: %s logname\n", argv[0]);
		return NT_STATUS_OK;
	}

	status = get_eventlog_handle(cli, mem_ctx, argv[1], &handle);
	if (!NT_STATUS_IS_OK(status)) {
		return status;
	}

	status = rpccli_eventlog_GetOldestRecord(cli, mem_ctx,
						 &handle,
						 &oldest_entry);
	if (!NT_STATUS_IS_OK(status)) {
		goto done;
	}

	printf("oldest entry: %d\n", oldest_entry);

 done:
	rpccli_eventlog_CloseEventLog(cli, mem_ctx, &handle);

	return status;
}

struct cmd_set eventlog_commands[] = {
	{ "EVENTLOG" },
	{ "eventlog_readlog",		RPC_RTYPE_NTSTATUS,	cmd_eventlog_readlog,		NULL,	&ndr_table_eventlog.syntax_id,	NULL,	"Read Eventlog", "" },
	{ "eventlog_numrecord",		RPC_RTYPE_NTSTATUS,	cmd_eventlog_numrecords,	NULL,	&ndr_table_eventlog.syntax_id,	NULL,	"Get number of records", "" },
	{ "eventlog_oldestrecord",	RPC_RTYPE_NTSTATUS,	cmd_eventlog_oldestrecord,	NULL,	&ndr_table_eventlog.syntax_id,	NULL,	"Get oldest record", "" },
	{ NULL }
};