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
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
|
/* Copyright (C) 2020 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* 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
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
// written by Sascha Steinbiss <sascha@steinbiss.name>
use super::mqtt::MQTTTransaction;
use crate::jsonbuilder::{JsonBuilder, JsonError};
use crate::mqtt::mqtt_message::{MQTTOperation, MQTTSubscribeTopicData};
use crate::mqtt::parser::FixedHeader;
use std;
pub const MQTT_LOG_PASSWORDS: u32 = BIT_U32!(0);
#[inline]
fn log_mqtt_topic(js: &mut JsonBuilder, t: &MQTTSubscribeTopicData) -> Result<(), JsonError> {
js.start_object()?;
js.set_string("topic", &t.topic_name)?;
js.set_uint("qos", t.qos as u64)?;
js.close()?;
return Ok(());
}
#[inline]
fn log_mqtt_header(js: &mut JsonBuilder, hdr: &FixedHeader) -> Result<(), JsonError> {
js.set_uint("qos", hdr.qos_level as u64)?;
js.set_bool("retain", hdr.retain)?;
js.set_bool("dup", hdr.dup_flag)?;
return Ok(());
}
fn log_mqtt(tx: &MQTTTransaction, flags: u32, js: &mut JsonBuilder) -> Result<(), JsonError> {
js.open_object("mqtt")?;
for msg in tx.msg.iter() {
match msg.op {
MQTTOperation::CONNECT(ref conn) => {
js.open_object("connect")?;
log_mqtt_header(js, &msg.header)?;
js.set_string("protocol_string", &conn.protocol_string)?;
js.set_uint("protocol_version", conn.protocol_version as u64)?;
js.set_string("client_id", &conn.client_id)?;
js.open_object("flags")?;
js.set_bool("username", conn.username_flag)?;
js.set_bool("password", conn.password_flag)?;
js.set_bool("will_retain", conn.will_retain)?;
js.set_bool("will", conn.will_flag)?;
js.set_bool("clean_session", conn.clean_session)?;
js.close()?; // flags
if let Some(user) = &conn.username {
js.set_string("username", user)?;
}
if flags & MQTT_LOG_PASSWORDS != 0 {
if let Some(pass) = &conn.password {
js.set_string_from_bytes("password", pass)?;
}
}
if conn.will_flag {
js.open_object("will")?;
if let Some(will_topic) = &conn.will_topic {
js.set_string("topic", will_topic)?;
}
if let Some(will_message) = &conn.will_message {
js.set_string_from_bytes("message", will_message)?;
}
if let Some(will_properties) = &conn.will_properties {
js.open_object("properties")?;
for prop in will_properties {
prop.set_json(js)?;
}
js.close()?; // properties
}
js.close()?; // will
}
if let Some(properties) = &conn.properties {
js.open_object("properties")?;
for prop in properties {
prop.set_json(js)?;
}
js.close()?; // properties
}
js.close()?; // connect
}
MQTTOperation::CONNACK(ref connack) => {
js.open_object("connack")?;
log_mqtt_header(js, &msg.header)?;
js.set_bool("session_present", connack.session_present)?;
js.set_uint("return_code", connack.return_code as u64)?;
if let Some(properties) = &connack.properties {
js.open_object("properties")?;
for prop in properties {
prop.set_json(js)?;
}
js.close()?; // properties
}
js.close()?; // connack
}
MQTTOperation::PUBLISH(ref publish) => {
js.open_object("publish")?;
log_mqtt_header(js, &msg.header)?;
js.set_string("topic", &publish.topic)?;
if let Some(message_id) = publish.message_id {
js.set_uint("message_id", message_id as u64)?;
}
js.set_string_from_bytes("message", &publish.message)?;
if let Some(properties) = &publish.properties {
js.open_object("properties")?;
for prop in properties {
prop.set_json(js)?;
}
js.close()?; // properties
}
js.close()?; // publish
}
MQTTOperation::PUBACK(ref msgidonly) => {
js.open_object("puback")?;
log_mqtt_header(js, &msg.header)?;
js.set_uint("message_id", msgidonly.message_id as u64)?;
if let Some(reason_code) = &msgidonly.reason_code {
js.set_uint("reason_code", *reason_code as u64)?;
}
if let Some(properties) = &msgidonly.properties {
js.open_object("properties")?;
for prop in properties {
prop.set_json(js)?;
}
js.close()?; // properties
}
js.close()?; // puback
}
MQTTOperation::PUBREC(ref msgidonly) => {
js.open_object("pubrec")?;
log_mqtt_header(js, &msg.header)?;
js.set_uint("message_id", msgidonly.message_id as u64)?;
if let Some(reason_code) = &msgidonly.reason_code {
js.set_uint("reason_code", *reason_code as u64)?;
}
if let Some(properties) = &msgidonly.properties {
js.open_object("properties")?;
for prop in properties {
prop.set_json(js)?;
}
js.close()?; // properties
}
js.close()?; // pubrec
}
MQTTOperation::PUBREL(ref msgidonly) => {
js.open_object("pubrel")?;
log_mqtt_header(js, &msg.header)?;
js.set_uint("message_id", msgidonly.message_id as u64)?;
if let Some(reason_code) = &msgidonly.reason_code {
js.set_uint("reason_code", *reason_code as u64)?;
}
if let Some(properties) = &msgidonly.properties {
js.open_object("properties")?;
for prop in properties {
prop.set_json(js)?;
}
js.close()?; // properties
}
js.close()?; // pubrel
}
MQTTOperation::PUBCOMP(ref msgidonly) => {
js.open_object("pubcomp")?;
log_mqtt_header(js, &msg.header)?;
js.set_uint("message_id", msgidonly.message_id as u64)?;
if let Some(reason_code) = &msgidonly.reason_code {
js.set_uint("reason_code", *reason_code as u64)?;
}
if let Some(properties) = &msgidonly.properties {
js.open_object("properties")?;
for prop in properties {
prop.set_json(js)?;
}
js.close()?; // properties
}
js.close()?; // pubcomp
}
MQTTOperation::SUBSCRIBE(ref subs) => {
js.open_object("subscribe")?;
log_mqtt_header(js, &msg.header)?;
js.set_uint("message_id", subs.message_id as u64)?;
js.open_array("topics")?;
for t in &subs.topics {
log_mqtt_topic(js, t)?;
}
js.close()?; //topics
if let Some(properties) = &subs.properties {
js.open_object("properties")?;
for prop in properties {
prop.set_json(js)?;
}
js.close()?; // properties
}
js.close()?; // subscribe
}
MQTTOperation::SUBACK(ref suback) => {
js.open_object("suback")?;
log_mqtt_header(js, &msg.header)?;
js.set_uint("message_id", suback.message_id as u64)?;
js.open_array("qos_granted")?;
for t in &suback.qoss {
js.append_uint(*t as u64)?;
}
js.close()?; // qos_granted
js.close()?; // suback
}
MQTTOperation::UNSUBSCRIBE(ref unsub) => {
js.open_object("unsubscribe")?;
log_mqtt_header(js, &msg.header)?;
js.set_uint("message_id", unsub.message_id as u64)?;
js.open_array("topics")?;
for t in &unsub.topics {
js.append_string(t)?;
}
js.close()?; // topics
js.close()?; // unsubscribe
}
MQTTOperation::UNSUBACK(ref unsuback) => {
js.open_object("unsuback")?;
log_mqtt_header(js, &msg.header)?;
js.set_uint("message_id", unsuback.message_id as u64)?;
if let Some(codes) = &unsuback.reason_codes {
if !codes.is_empty() {
js.open_array("reason_codes")?;
for t in codes {
js.append_uint(*t as u64)?;
}
js.close()?; // reason_codes
}
}
js.close()?; // unsuback
}
MQTTOperation::PINGREQ => {
js.open_object("pingreq")?;
log_mqtt_header(js, &msg.header)?;
js.close()?; // pingreq
}
MQTTOperation::PINGRESP => {
js.open_object("pingresp")?;
log_mqtt_header(js, &msg.header)?;
js.close()?; // pingresp
}
MQTTOperation::AUTH(ref auth) => {
js.open_object("auth")?;
log_mqtt_header(js, &msg.header)?;
js.set_uint("reason_code", auth.reason_code as u64)?;
if let Some(properties) = &auth.properties {
js.open_object("properties")?;
for prop in properties {
prop.set_json(js)?;
}
js.close()?; // properties
}
js.close()?; // auth
}
MQTTOperation::DISCONNECT(ref disco) => {
js.open_object("disconnect")?;
log_mqtt_header(js, &msg.header)?;
if let Some(reason_code) = &disco.reason_code {
js.set_uint("reason_code", *reason_code as u64)?;
}
if let Some(properties) = &disco.properties {
js.open_object("properties")?;
for prop in properties {
prop.set_json(js)?;
}
js.close()?; // properties
}
js.close()?; // disconnect
}
MQTTOperation::TRUNCATED(ref trunc) => {
js.open_object(&trunc.original_message_type.to_lower_str())?;
log_mqtt_header(js, &msg.header)?;
js.set_bool("truncated", true)?;
js.set_uint("skipped_length", trunc.skipped_length as u64)?;
js.close()?; // truncated
}
MQTTOperation::UNASSIGNED => {}
}
}
js.close()?; // mqtt
return Ok(());
}
#[no_mangle]
pub unsafe extern "C" fn rs_mqtt_logger_log(
tx: *mut std::os::raw::c_void, flags: u32, js: &mut JsonBuilder,
) -> bool {
let tx = cast_pointer!(tx, MQTTTransaction);
log_mqtt(tx, flags, js).is_ok()
}
|
