suricata
output-json-anomaly.c
Go to the documentation of this file.
1 /* Copyright (C) 2019-2021 Open Information Security Foundation
2  *
3  * You can copy, redistribute or modify this Program under the terms of
4  * the GNU General Public License version 2 as published by the Free
5  * Software Foundation.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * version 2 along with this program; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15  * 02110-1301, USA.
16  */
17 
18 /**
19  * \file
20  *
21  * \author Jeff Lucovsky <jeff@lucovsky.org>
22  *
23  * Logs anomalies in JSON format.
24  *
25  */
26 
27 #include "suricata-common.h"
28 #include "detect.h"
29 #include "flow.h"
30 #include "conf.h"
31 #include "app-layer.h"
32 #include "app-layer-events.h"
33 #include "app-layer-parser.h"
34 
35 #include "threads.h"
36 #include "tm-threads.h"
37 #include "threadvars.h"
38 #include "util-debug.h"
39 
40 #include "util-misc.h"
41 
42 #include "detect-parse.h"
43 #include "detect-engine.h"
44 #include "util-logopenfile.h"
45 
46 #include "output.h"
47 #include "output-json.h"
48 #include "output-json-anomaly.h"
49 
50 #include "util-byte.h"
51 #include "util-enum.h"
52 #include "util-privs.h"
53 #include "util-print.h"
54 #include "util-proto-name.h"
55 #include "util-optimize.h"
56 #include "util-buffer.h"
57 #include "util-validate.h"
58 
59 #define MODULE_NAME "JsonAnomalyLog"
60 
61 #define ANOMALY_EVENT_TYPE "anomaly"
62 #define LOG_JSON_DECODE_TYPE BIT_U16(0)
63 #define LOG_JSON_STREAM_TYPE BIT_U16(1)
64 #define LOG_JSON_APPLAYER_TYPE BIT_U16(2)
65 #define LOG_JSON_PACKETHDR BIT_U16(3)
66 
67 #define LOG_JSON_PACKET_TYPE (LOG_JSON_DECODE_TYPE | LOG_JSON_STREAM_TYPE)
68 #define ANOMALY_DEFAULTS LOG_JSON_APPLAYER_TYPE
69 
70 #define TX_ID_UNUSED UINT64_MAX
71 
72 typedef struct AnomalyJsonOutputCtx_ {
73  uint16_t flags;
76 
77 typedef struct JsonAnomalyLogThread_ {
81 
82 /*
83  * Restrict the anomaly logger count due to decoder state maintenance issues
84  */
85 
86 #define MAX_ANOMALY_LOGGERS 1
87 static int anomaly_loggers = 0;
88 static bool OutputAnomalyLoggerEnable(void)
89 {
90  if (anomaly_loggers < MAX_ANOMALY_LOGGERS) {
91  anomaly_loggers++;
92  return true;
93  }
94  return false;
95 }
96 
97 static void OutputAnomalyLoggerDisable(void)
98 {
99  if (anomaly_loggers)
100  anomaly_loggers--;
101 }
102 
103 static int AnomalyDecodeEventJson(ThreadVars *tv, JsonAnomalyLogThread *aft,
104  const Packet *p)
105 {
106  const uint16_t log_type = aft->json_output_ctx->flags;
107  const bool log_stream = log_type & LOG_JSON_STREAM_TYPE;
108  const bool log_decode = log_type & LOG_JSON_DECODE_TYPE;
109 
110  for (int i = 0; i < p->events.cnt; i++) {
111  uint8_t event_code = p->events.events[i];
112  bool is_decode = EVENT_IS_DECODER_PACKET_ERROR(event_code);
113  if (is_decode && !log_decode)
114  continue;
115  if (!is_decode && !log_stream)
116  continue;
117 
118  JsonBuilder *js = CreateEveHeader(
120  if (unlikely(js == NULL)) {
121  return TM_ECODE_OK;
122  }
123 
124  jb_open_object(js, ANOMALY_EVENT_TYPE);
125 
126  if (event_code < DECODE_EVENT_MAX) {
127  const char *event = DEvents[event_code].event_name;
128  if (EVENT_IS_DECODER_PACKET_ERROR(event_code)) {
129  JB_SET_STRING(js, "type", "decode");
130  } else {
131  JB_SET_STRING(js, "type", "stream");
132  }
133  jb_set_string(js, "event", event);
134  } else {
135  JB_SET_STRING(js, "type", "unknown");
136  jb_set_uint(js, "code", event_code);
137  }
138 
139  /* Close anomaly object. */
140  jb_close(js);
141 
143  EvePacket(p, js, GET_PKT_LEN(p) < 32 ? GET_PKT_LEN(p) : 32);
144  }
145 
146  OutputJsonBuilderBuffer(js, aft->ctx);
147  jb_free(js);
148  }
149 
150  return TM_ECODE_OK;
151 }
152 
153 static int AnomalyAppLayerDecoderEventJson(JsonAnomalyLogThread *aft,
154  const Packet *p, AppLayerDecoderEvents *decoder_events,
155  bool is_pktlayer, const char *layer, uint64_t tx_id)
156 {
157  const char *alprotoname = AppLayerGetProtoName(p->flow->alproto);
158 
159  SCLogDebug("decoder_events %p event_count %d (last logged %d) %s",
160  decoder_events, decoder_events->cnt,
161  decoder_events->event_last_logged,
162  tx_id != TX_ID_UNUSED ? "tx" : "no-tx");
163 
164  for (int i = decoder_events->event_last_logged; i < decoder_events->cnt; i++) {
165  JsonBuilder *js;
166  if (tx_id != TX_ID_UNUSED) {
168  aft->json_output_ctx->eve_ctx);
169  } else {
170  js = CreateEveHeader(
172  }
173  if (unlikely(js == NULL)) {
174  return TM_ECODE_OK;
175  }
176 
177 
178  jb_open_object(js, ANOMALY_EVENT_TYPE);
179 
180  jb_set_string(js, "app_proto", alprotoname);
181 
182  const char *event_name = NULL;
183  uint8_t event_code = decoder_events->events[i];
184  AppLayerEventType event_type;
185  int r;
186  if (is_pktlayer) {
187  r = AppLayerGetEventInfoById(event_code, &event_name, &event_type);
188  } else {
190  event_code, &event_name, &event_type);
191  }
192  if (r == 0) {
193  JB_SET_STRING(js, "type", "applayer");
194  jb_set_string(js, "event", event_name);
195  } else {
196  JB_SET_STRING(js, "type", "unknown");
197  jb_set_uint(js, "code", event_code);
198  }
199 
200  jb_set_string(js, "layer", layer);
201 
202  /* anomaly */
203  jb_close(js);
204  OutputJsonBuilderBuffer(js, aft->ctx);
205  jb_free(js);
206 
207  /* Current implementation assumes a single owner for this value */
208  decoder_events->event_last_logged++;
209  }
210 
211  return TM_ECODE_OK;
212 }
213 
214 static int JsonAnomalyTxLogger(ThreadVars *tv, void *thread_data, const Packet *p,
215  Flow *f, void *state, void *tx, uint64_t tx_id)
216 {
217  JsonAnomalyLogThread *aft = thread_data;
219  return TM_ECODE_OK;
220  }
221 
222  AppLayerDecoderEvents *decoder_events;
223  decoder_events = AppLayerParserGetEventsByTx(f->proto, f->alproto, tx);
224  if (decoder_events && decoder_events->event_last_logged < decoder_events->cnt) {
225  SCLogDebug("state %p, tx: %p, tx_id: %"PRIu64, state, tx, tx_id);
226  AnomalyAppLayerDecoderEventJson(aft, p, decoder_events, false,
227  "proto_parser", tx_id);
228  }
229  return TM_ECODE_OK;
230 }
231 
232 static inline bool AnomalyHasParserEvents(const Packet *p)
233 {
234  return (p->flow && p->flow->alparser &&
236 }
237 
238 static inline bool AnomalyHasPacketAppLayerEvents(const Packet *p)
239 {
240  return p->app_layer_events && p->app_layer_events->cnt;
241 }
242 
243 static int AnomalyJson(ThreadVars *tv, JsonAnomalyLogThread *aft, const Packet *p)
244 {
245  int rc = TM_ECODE_OK;
246 
247  /* decode or stream */
249  if (p->events.cnt) {
250  rc = AnomalyDecodeEventJson(tv, aft, p);
251  }
252  }
253 
254  /* applayer */
256  /* app layer proto detect events */
257  if (rc == TM_ECODE_OK && AnomalyHasPacketAppLayerEvents(p)) {
258  rc = AnomalyAppLayerDecoderEventJson(aft, p, p->app_layer_events,
259  true, "proto_detect", TX_ID_UNUSED);
260  }
261 
262  /* parser state events */
263  if (rc == TM_ECODE_OK && AnomalyHasParserEvents(p)) {
264  SCLogDebug("Checking for anomaly events; alproto %d", p->flow->alproto);
266  if (parser_events && (parser_events->event_last_logged < parser_events->cnt)) {
267  rc = AnomalyAppLayerDecoderEventJson(aft, p, parser_events,
268  false, "parser", TX_ID_UNUSED);
269  }
270  }
271  }
272 
273  return rc;
274 }
275 
276 static int JsonAnomalyLogger(ThreadVars *tv, void *thread_data, const Packet *p)
277 {
278  JsonAnomalyLogThread *aft = thread_data;
279  return AnomalyJson(tv, aft, p);
280 }
281 
282 static int JsonAnomalyLogCondition(ThreadVars *tv, void *thread_data, const Packet *p)
283 {
284  return p->events.cnt > 0 ||
285  (p->app_layer_events && p->app_layer_events->cnt > 0) ||
286  AnomalyHasParserEvents(p);
287 }
288 
289 static TmEcode JsonAnomalyLogThreadInit(ThreadVars *t, const void *initdata, void **data)
290 {
292  if (unlikely(aft == NULL)) {
293  return TM_ECODE_FAILED;
294  }
295 
296  if (initdata == NULL) {
297  SCLogDebug("Error getting context for EveLogAnomaly. \"initdata\" argument NULL");
298  goto error_exit;
299  }
300 
301  /** Use the Output Context (file pointer and mutex) */
302  AnomalyJsonOutputCtx *json_output_ctx = ((OutputCtx *)initdata)->data;
303 
304  aft->ctx = CreateEveThreadCtx(t, json_output_ctx->eve_ctx);
305  if (!aft->ctx) {
306  goto error_exit;
307  }
308  aft->json_output_ctx = json_output_ctx;
309 
310  *data = (void *)aft;
311  return TM_ECODE_OK;
312 
313 error_exit:
314  SCFree(aft);
315  return TM_ECODE_FAILED;
316 }
317 
318 static TmEcode JsonAnomalyLogThreadDeinit(ThreadVars *t, void *data)
319 {
321  if (aft == NULL) {
322  return TM_ECODE_OK;
323  }
324 
325  FreeEveThreadCtx(aft->ctx);
326 
327  /* clear memory */
328  memset(aft, 0, sizeof(JsonAnomalyLogThread));
329 
330  SCFree(aft);
331  return TM_ECODE_OK;
332 }
333 
334 static void JsonAnomalyLogDeInitCtxSubHelper(OutputCtx *output_ctx)
335 {
336  SCLogDebug("cleaning up sub output_ctx %p", output_ctx);
337 
338  AnomalyJsonOutputCtx *json_output_ctx = (AnomalyJsonOutputCtx *) output_ctx->data;
339 
340  if (json_output_ctx != NULL) {
341  SCFree(json_output_ctx);
342  }
343  SCFree(output_ctx);
344 }
345 
346 static void JsonAnomalyLogDeInitCtxSub(OutputCtx *output_ctx)
347 {
348  OutputAnomalyLoggerDisable();
349 
350  JsonAnomalyLogDeInitCtxSubHelper(output_ctx);
351 }
352 
353 #define DEFAULT_LOG_FILENAME "anomaly.json"
354 static void SetFlag(const ConfNode *conf, const char *name, uint16_t flag, uint16_t *out_flags)
355 {
356  DEBUG_VALIDATE_BUG_ON(conf == NULL);
357  const char *setting = ConfNodeLookupChildValue(conf, name);
358  if (setting != NULL) {
359  if (ConfValIsTrue(setting)) {
360  *out_flags |= flag;
361  } else {
362  *out_flags &= ~flag;
363  }
364  }
365 }
366 
367 static void JsonAnomalyLogConf(AnomalyJsonOutputCtx *json_output_ctx,
368  ConfNode *conf)
369 {
370  static bool warn_no_flags = false;
371  static bool warn_no_packet = false;
372  uint16_t flags = ANOMALY_DEFAULTS;
373  if (conf != NULL) {
374  /* Check for metadata to enable/disable. */
375  ConfNode *typeconf = ConfNodeLookupChild(conf, "types");
376  if (typeconf != NULL) {
377  SetFlag(typeconf, "applayer", LOG_JSON_APPLAYER_TYPE, &flags);
378  SetFlag(typeconf, "stream", LOG_JSON_STREAM_TYPE, &flags);
379  SetFlag(typeconf, "decode", LOG_JSON_DECODE_TYPE, &flags);
380  }
381  SetFlag(conf, "packethdr", LOG_JSON_PACKETHDR, &flags);
382  }
383  if (((flags & (LOG_JSON_DECODE_TYPE | LOG_JSON_PACKETHDR)) == LOG_JSON_PACKETHDR) && !warn_no_packet) {
384  SCLogWarning("Anomaly logging configured to include packet headers, however decode "
385  "type logging has not been selected. Packet headers will not be logged.");
386  warn_no_packet = true;
388  }
389 
390  if (flags == 0 && !warn_no_flags) {
391  SCLogWarning("Anomaly logging has been configured; however, no logging types "
392  "have been selected. Select one or more logging types.");
393  warn_no_flags = true;
394  }
395  json_output_ctx->flags |= flags;
396 }
397 
398 static OutputInitResult JsonAnomalyLogInitCtxHelper(ConfNode *conf, OutputCtx *parent_ctx)
399 {
400  OutputInitResult result = { NULL, false };
401  OutputJsonCtx *ajt = parent_ctx->data;
402  AnomalyJsonOutputCtx *json_output_ctx = NULL;
403 
404  OutputCtx *output_ctx = SCCalloc(1, sizeof(OutputCtx));
405  if (unlikely(output_ctx == NULL))
406  return result;
407 
408  json_output_ctx = SCCalloc(1, sizeof(AnomalyJsonOutputCtx));
409  if (unlikely(json_output_ctx == NULL)) {
410  goto error;
411  }
412 
413  JsonAnomalyLogConf(json_output_ctx, conf);
414  json_output_ctx->eve_ctx = ajt;
415 
416  output_ctx->data = json_output_ctx;
417  output_ctx->DeInit = JsonAnomalyLogDeInitCtxSubHelper;
418 
419  result.ctx = output_ctx;
420  result.ok = true;
421  return result;
422 
423 error:
424  SCFree(output_ctx);
425 
426  return result;
427 }
428 
429 /**
430  * \brief Create a new LogFileCtx for "fast" output style.
431  * \param conf The configuration node for this output.
432  * \return A LogFileCtx pointer on success, NULL on failure.
433  */
434 static OutputInitResult JsonAnomalyLogInitCtxSub(ConfNode *conf, OutputCtx *parent_ctx)
435 {
436 
437  if (!OutputAnomalyLoggerEnable()) {
438  OutputInitResult result = { NULL, false };
439  SCLogError("only one 'anomaly' logger "
440  "can be enabled");
441  return result;
442  }
443 
444  OutputInitResult result = JsonAnomalyLogInitCtxHelper(conf, parent_ctx);
445  if (result.ok) {
446  result.ctx->DeInit = JsonAnomalyLogDeInitCtxSub;
447  }
448 
449  return result;
450 }
451 
453 {
455  "eve-log.anomaly", JsonAnomalyLogInitCtxSub, JsonAnomalyLogger,
456  JsonAnomalyLogCondition, JsonAnomalyLogThreadInit, JsonAnomalyLogThreadDeinit,
457  NULL);
458 
460  "eve-log.anomaly", JsonAnomalyLogInitCtxHelper, ALPROTO_UNKNOWN,
461  JsonAnomalyTxLogger, JsonAnomalyLogThreadInit,
462  JsonAnomalyLogThreadDeinit, NULL);
463 }
util-byte.h
tm-threads.h
detect-engine.h
TX_ID_UNUSED
#define TX_ID_UNUSED
Definition: output-json-anomaly.c:70
LOG_JSON_PACKET_TYPE
#define LOG_JSON_PACKET_TYPE
Definition: output-json-anomaly.c:67
unlikely
#define unlikely(expr)
Definition: util-optimize.h:35
PacketEngineEvents_::events
uint8_t events[PACKET_ENGINE_EVENT_MAX]
Definition: decode.h:309
SCLogDebug
#define SCLogDebug(...)
Definition: util-debug.h:269
AppLayerParserGetEventsByTx
AppLayerDecoderEvents * AppLayerParserGetEventsByTx(uint8_t ipproto, AppProto alproto, void *tx)
Definition: app-layer-parser.c:874
FreeEveThreadCtx
void FreeEveThreadCtx(OutputJsonThreadCtx *ctx)
Definition: output-json-common.c:58
Flow_::proto
uint8_t proto
Definition: flow.h:379
threads.h
OutputJsonCtx_
Definition: output-json.h:81
MAX_ANOMALY_LOGGERS
#define MAX_ANOMALY_LOGGERS
Definition: output-json-anomaly.c:86
Flow_
Flow data structure.
Definition: flow.h:357
AppLayerEventType
enum AppLayerEventType_ AppLayerEventType
AnomalyJsonOutputCtx_::flags
uint16_t flags
Definition: output-json-anomaly.c:73
AppLayerDecoderEvents_::event_last_logged
uint8_t event_last_logged
Definition: app-layer-events.h:42
OutputJsonBuilderBuffer
int OutputJsonBuilderBuffer(JsonBuilder *js, OutputJsonThreadCtx *ctx)
Definition: output-json.c:934
CreateEveThreadCtx
OutputJsonThreadCtx * CreateEveThreadCtx(ThreadVars *t, OutputJsonCtx *ctx)
Definition: output-json-common.c:29
LOG_JSON_APPLAYER_TYPE
#define LOG_JSON_APPLAYER_TYPE
Definition: output-json-anomaly.c:64
util-privs.h
JsonAnomalyLogThread_::ctx
OutputJsonThreadCtx * ctx
Definition: output-json-anomaly.c:79
TM_ECODE_FAILED
@ TM_ECODE_FAILED
Definition: tm-threads-common.h:85
ANOMALY_DEFAULTS
#define ANOMALY_DEFAULTS
Definition: output-json-anomaly.c:68
AppLayerDecoderEvents_
Data structure to store app layer decoder events.
Definition: app-layer-events.h:34
Packet_::app_layer_events
AppLayerDecoderEvents * app_layer_events
Definition: decode.h:600
Packet_::events
PacketEngineEvents events
Definition: decode.h:598
ConfValIsTrue
int ConfValIsTrue(const char *val)
Check if a value is true.
Definition: conf.c:531
OutputCtx_::data
void * data
Definition: tm-modules.h:81
TM_ECODE_OK
@ TM_ECODE_OK
Definition: tm-threads-common.h:84
ANOMALY_EVENT_TYPE
#define ANOMALY_EVENT_TYPE
Definition: output-json-anomaly.c:61
AppLayerParserGetEventInfoById
int AppLayerParserGetEventInfoById(uint8_t ipproto, AppProto alproto, int event_id, const char **event_name, AppLayerEventType *event_type)
Definition: app-layer-parser.c:1168
OutputCtx_
Definition: tm-modules.h:78
OutputJsonThreadCtx_
Definition: output-json.h:89
Flow_::alparser
AppLayerParserState * alparser
Definition: flow.h:481
AnomalyJsonOutputCtx_::eve_ctx
OutputJsonCtx * eve_ctx
Definition: output-json-anomaly.c:74
LOG_JSON_PACKETHDR
#define LOG_JSON_PACKETHDR
Definition: output-json-anomaly.c:65
JsonAnomalyLogRegister
void JsonAnomalyLogRegister(void)
Definition: output-json-anomaly.c:452
util-debug.h
JB_SET_STRING
#define JB_SET_STRING(jb, key, val)
Definition: rust.h:38
OutputInitResult_::ctx
OutputCtx * ctx
Definition: output.h:47
DEvents
const struct DecodeEvents_ DEvents[]
Definition: decode-events.c:29
output-json.h
CreateEveHeader
JsonBuilder * CreateEveHeader(const Packet *p, enum OutputJsonLogDirection dir, const char *event_type, JsonAddrInfo *addr, OutputJsonCtx *eve_ctx)
Definition: output-json.c:796
util-print.h
detect.h
ThreadVars_
Per thread variable structure.
Definition: threadvars.h:57
OutputInitResult_::ok
bool ok
Definition: output.h:48
AppLayerGetEventInfoById
int AppLayerGetEventInfoById(int event_id, const char **event_name, AppLayerEventType *event_type)
Definition: app-layer-events.c:51
SCLogWarning
#define SCLogWarning(...)
Macro used to log WARNING messages.
Definition: util-debug.h:249
app-layer-parser.h
AppLayerDecoderEvents_::cnt
uint8_t cnt
Definition: app-layer-events.h:38
CreateEveHeaderWithTxId
JsonBuilder * CreateEveHeaderWithTxId(const Packet *p, enum OutputJsonLogDirection dir, const char *event_type, JsonAddrInfo *addr, uint64_t tx_id, OutputJsonCtx *eve_ctx)
Definition: output-json.c:879
JsonAnomalyLogThread
struct JsonAnomalyLogThread_ JsonAnomalyLogThread
output-json-anomaly.h
MODULE_NAME
#define MODULE_NAME
Definition: output-json-anomaly.c:59
Packet_
Definition: decode.h:428
GET_PKT_LEN
#define GET_PKT_LEN(p)
Definition: decode.h:218
conf.h
TmEcode
TmEcode
Definition: tm-threads-common.h:83
util-proto-name.h
LOG_JSON_STREAM_TYPE
#define LOG_JSON_STREAM_TYPE
Definition: output-json-anomaly.c:63
DecodeEvents_::event_name
const char * event_name
Definition: decode-events.h:303
ConfNodeLookupChild
ConfNode * ConfNodeLookupChild(const ConfNode *node, const char *name)
Lookup a child configuration node by name.
Definition: conf.c:780
OutputInitResult_
Definition: output.h:46
Packet_::flow
struct Flow_ * flow
Definition: decode.h:465
LOG_DIR_PACKET
@ LOG_DIR_PACKET
Definition: output-json.h:39
flags
uint8_t flags
Definition: decode-gre.h:0
suricata-common.h
OutputCtx_::DeInit
void(* DeInit)(struct OutputCtx_ *)
Definition: tm-modules.h:84
OutputRegisterPacketSubModule
void OutputRegisterPacketSubModule(LoggerId id, const char *parent_name, const char *name, const char *conf_name, OutputInitSubFunc InitFunc, PacketLogger PacketLogFunc, PacketLogCondition PacketConditionFunc, ThreadInitFunc ThreadInit, ThreadDeinitFunc ThreadDeinit, ThreadExitPrintStatsFunc ThreadExitPrintStats)
Register a packet output sub-module.
Definition: output.c:215
JsonAnomalyLogThread_::json_output_ctx
AnomalyJsonOutputCtx * json_output_ctx
Definition: output-json-anomaly.c:78
LOG_JSON_DECODE_TYPE
#define LOG_JSON_DECODE_TYPE
Definition: output-json-anomaly.c:62
JsonAnomalyLogThread_
Definition: output-json-anomaly.c:77
DECODE_EVENT_MAX
@ DECODE_EVENT_MAX
Definition: decode-events.h:294
EvePacket
void EvePacket(const Packet *p, JsonBuilder *js, unsigned long max_length)
Jsonify a packet.
Definition: output-json.c:436
OutputRegisterTxSubModule
void OutputRegisterTxSubModule(LoggerId id, const char *parent_name, const char *name, const char *conf_name, OutputInitSubFunc InitFunc, AppProto alproto, TxLogger TxLogFunc, ThreadInitFunc ThreadInit, ThreadDeinitFunc ThreadDeinit, ThreadExitPrintStatsFunc ThreadExitPrintStats)
Definition: output.c:410
tv
ThreadVars * tv
Definition: fuzz_decodepcapfile.c:32
util-optimize.h
app-layer-events.h
threadvars.h
util-validate.h
SCLogError
#define SCLogError(...)
Macro used to log ERROR messages.
Definition: util-debug.h:261
SCFree
#define SCFree(p)
Definition: util-mem.h:61
ConfNode_
Definition: conf.h:32
util-logopenfile.h
AppLayerParserGetDecoderEvents
AppLayerDecoderEvents * AppLayerParserGetDecoderEvents(AppLayerParserState *pstate)
Definition: app-layer-parser.c:861
detect-parse.h
util-buffer.h
AppLayerGetProtoName
const char * AppLayerGetProtoName(AppProto alproto)
Given the internal protocol id, returns a string representation of the protocol.
Definition: app-layer.c:939
AnomalyJsonOutputCtx_
Definition: output-json-anomaly.c:72
ALPROTO_UNKNOWN
@ ALPROTO_UNKNOWN
Definition: app-layer-protos.h:29
util-misc.h
flow.h
Flow_::alproto
AppProto alproto
application level protocol
Definition: flow.h:456
SCCalloc
#define SCCalloc(nm, sz)
Definition: util-mem.h:53
util-enum.h
AppLayerParserHasDecoderEvents
bool AppLayerParserHasDecoderEvents(AppLayerParserState *pstate)
Definition: app-layer-parser.c:1547
AppLayerDecoderEvents_::events
uint8_t * events
Definition: app-layer-events.h:36
DEBUG_VALIDATE_BUG_ON
#define DEBUG_VALIDATE_BUG_ON(exp)
Definition: util-validate.h:111
output.h
AnomalyJsonOutputCtx
struct AnomalyJsonOutputCtx_ AnomalyJsonOutputCtx
app-layer.h
LOGGER_JSON_ANOMALY
@ LOGGER_JSON_ANOMALY
Definition: suricata-common.h:469
PacketEngineEvents_::cnt
uint8_t cnt
Definition: decode.h:308
EVENT_IS_DECODER_PACKET_ERROR
#define EVENT_IS_DECODER_PACKET_ERROR(e)
Definition: decode-events.h:297
ConfNodeLookupChildValue
const char * ConfNodeLookupChildValue(const ConfNode *node, const char *name)
Lookup the value of a child configuration node by name.
Definition: conf.c:808