suricata
output-json-drop.c
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1 /* Copyright (C) 2007-2020 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 Tom DeCanio <td@npulsetech.com>
22  *
23  * JSON Drop log module to log the dropped packet information
24  *
25  */
26 
27 #include "suricata-common.h"
28 #include "debug.h"
29 #include "detect.h"
30 #include "flow.h"
31 #include "conf.h"
32 
33 #include "threads.h"
34 #include "tm-threads.h"
35 #include "threadvars.h"
36 #include "util-debug.h"
37 
38 #include "decode-ipv4.h"
39 #include "detect-parse.h"
40 #include "detect-engine.h"
41 #include "detect-engine-mpm.h"
42 #include "detect-reference.h"
43 
44 #include "output.h"
45 #include "output-json.h"
46 #include "output-json-alert.h"
47 #include "output-json-drop.h"
48 
49 #include "util-unittest.h"
50 #include "util-unittest-helper.h"
52 #include "util-privs.h"
53 #include "util-print.h"
54 #include "util-proto-name.h"
55 #include "util-logopenfile.h"
56 #include "util-time.h"
57 #include "util-buffer.h"
58 
59 #define MODULE_NAME "JsonDropLog"
60 
61 #define LOG_DROP_ALERTS 1
62 
63 typedef struct JsonDropOutputCtx_ {
65  uint8_t flags;
68 
69 typedef struct JsonDropLogThread_ {
74 
75 /* default to true as this has been the default behavior for a long time */
76 static int g_droplog_flows_start = 1;
77 
78 /**
79  * \brief Log the dropped packets in netfilter format when engine is running
80  * in inline mode
81  *
82  * \param tv Pointer the current thread variables
83  * \param p Pointer the packet which is being logged
84  *
85  * \return return TM_EODE_OK on success
86  */
87 static int DropLogJSON (JsonDropLogThread *aft, const Packet *p)
88 {
89  JsonDropOutputCtx *drop_ctx = aft->drop_ctx;
90 
93 
94  JsonBuilder *js = CreateEveHeader(p, LOG_DIR_PACKET, "drop", &addr);
95  if (unlikely(js == NULL))
96  return TM_ECODE_OK;
97 
98  EveAddCommonOptions(&drop_ctx->cfg, p, p->flow, js);
99 
100  jb_open_object(js, "drop");
101 
102  /* reset */
103  MemBufferReset(aft->buffer);
104 
105  uint16_t proto = 0;
106  if (PKT_IS_IPV4(p)) {
107  jb_set_uint(js, "len", IPV4_GET_IPLEN(p));
108  jb_set_uint(js, "tos", IPV4_GET_IPTOS(p));
109  jb_set_uint(js, "ttl", IPV4_GET_IPTTL(p));
110  jb_set_uint(js, "ipid", IPV4_GET_IPID(p));
111  proto = IPV4_GET_IPPROTO(p);
112  } else if (PKT_IS_IPV6(p)) {
113  jb_set_uint(js, "len", IPV6_GET_PLEN(p));
114  jb_set_uint(js, "tc", IPV6_GET_CLASS(p));
115  jb_set_uint(js, "hoplimit", IPV6_GET_HLIM(p));
116  jb_set_uint(js, "flowlbl", IPV6_GET_FLOW(p));
117  proto = IPV6_GET_L4PROTO(p);
118  }
119  switch (proto) {
120  case IPPROTO_TCP:
121  if (PKT_IS_TCP(p)) {
122  jb_set_uint(js, "tcpseq", TCP_GET_SEQ(p));
123  jb_set_uint(js, "tcpack", TCP_GET_ACK(p));
124  jb_set_uint(js, "tcpwin", TCP_GET_WINDOW(p));
125  jb_set_bool(js, "syn", TCP_ISSET_FLAG_SYN(p) ? true : false);
126  jb_set_bool(js, "ack", TCP_ISSET_FLAG_ACK(p) ? true : false);
127  jb_set_bool(js, "psh", TCP_ISSET_FLAG_PUSH(p) ? true : false);
128  jb_set_bool(js, "rst", TCP_ISSET_FLAG_RST(p) ? true : false);
129  jb_set_bool(js, "urg", TCP_ISSET_FLAG_URG(p) ? true : false);
130  jb_set_bool(js, "fin", TCP_ISSET_FLAG_FIN(p) ? true : false);
131  jb_set_uint(js, "tcpres", TCP_GET_RAW_X2(p->tcph));
132  jb_set_uint(js, "tcpurgp", TCP_GET_URG_POINTER(p));
133  }
134  break;
135  case IPPROTO_UDP:
136  if (PKT_IS_UDP(p)) {
137  jb_set_uint(js, "udplen", UDP_GET_LEN(p));
138  }
139  break;
140  case IPPROTO_ICMP:
141  if (PKT_IS_ICMPV4(p)) {
142  jb_set_uint(js, "icmp_id", ICMPV4_GET_ID(p));
143  jb_set_uint(js, "icmp_seq", ICMPV4_GET_SEQ(p));
144  } else if(PKT_IS_ICMPV6(p)) {
145  jb_set_uint(js, "icmp_id", ICMPV6_GET_ID(p));
146  jb_set_uint(js, "icmp_seq", ICMPV6_GET_SEQ(p));
147  }
148  break;
149  }
150 
151  /* Close drop. */
152  jb_close(js);
153 
154  if (aft->drop_ctx->flags & LOG_DROP_ALERTS) {
155  int logged = 0;
156  int i;
157  for (i = 0; i < p->alerts.cnt; i++) {
158  const PacketAlert *pa = &p->alerts.alerts[i];
159  if (unlikely(pa->s == NULL)) {
160  continue;
161  }
163  ((pa->action & ACTION_DROP) && EngineModeIsIPS()))
164  {
165  AlertJsonHeader(NULL, p, pa, js, 0, &addr);
166  logged = 1;
167  }
168  }
169  if (logged == 0) {
170  if (p->alerts.drop.action != 0) {
171  const PacketAlert *pa = &p->alerts.drop;
172  AlertJsonHeader(NULL, p, pa, js, 0, &addr);
173  }
174  }
175  }
176 
177  OutputJsonBuilderBuffer(js, aft->file_ctx, &aft->buffer);
178  jb_free(js);
179 
180  return TM_ECODE_OK;
181 }
182 
183 static TmEcode JsonDropLogThreadInit(ThreadVars *t, const void *initdata, void **data)
184 {
185  JsonDropLogThread *aft = SCCalloc(1, sizeof(JsonDropLogThread));
186  if (unlikely(aft == NULL))
187  return TM_ECODE_FAILED;
188 
189  if(initdata == NULL)
190  {
191  SCLogDebug("Error getting context for EveLogDrop. \"initdata\" argument NULL");
192  goto error_exit;
193  }
194 
196  if (aft->buffer == NULL) {
197  goto error_exit;
198  }
199 
200  /** Use the Ouptut Context (file pointer and mutex) */
201  aft->drop_ctx = ((OutputCtx *)initdata)->data;
202  aft->file_ctx = LogFileEnsureExists(aft->drop_ctx->file_ctx, t->id);
203  if (!aft->file_ctx) {
204  goto error_exit;
205  }
206 
207  *data = (void *)aft;
208  return TM_ECODE_OK;
209 
210 error_exit:
211  if (aft->buffer != NULL) {
212  MemBufferFree(aft->buffer);
213  }
214  SCFree(aft);
215  return TM_ECODE_FAILED;
216 }
217 
218 static TmEcode JsonDropLogThreadDeinit(ThreadVars *t, void *data)
219 {
220  JsonDropLogThread *aft = (JsonDropLogThread *)data;
221  if (aft == NULL) {
222  return TM_ECODE_OK;
223  }
224 
225  MemBufferFree(aft->buffer);
226 
227  /* clear memory */
228  memset(aft, 0, sizeof(*aft));
229 
230  SCFree(aft);
231  return TM_ECODE_OK;
232 }
233 
234 static void JsonDropOutputCtxFree(JsonDropOutputCtx *drop_ctx)
235 {
236  if (drop_ctx != NULL) {
237  if (drop_ctx->file_ctx != NULL)
238  LogFileFreeCtx(drop_ctx->file_ctx);
239  SCFree(drop_ctx);
240  }
241 }
242 
243 static void JsonDropLogDeInitCtxSub(OutputCtx *output_ctx)
244 {
246 
247  JsonDropOutputCtx *drop_ctx = output_ctx->data;
248  SCFree(drop_ctx);
249  SCLogDebug("cleaning up sub output_ctx %p", output_ctx);
250  SCFree(output_ctx);
251 }
252 
253 static OutputInitResult JsonDropLogInitCtxSub(ConfNode *conf, OutputCtx *parent_ctx)
254 {
255  OutputInitResult result = { NULL, false };
256  if (OutputDropLoggerEnable() != 0) {
257  SCLogError(SC_ERR_CONF_YAML_ERROR, "only one 'drop' logger "
258  "can be enabled");
259  return result;
260  }
261 
262  OutputJsonCtx *ajt = parent_ctx->data;
263 
264  JsonDropOutputCtx *drop_ctx = SCCalloc(1, sizeof(*drop_ctx));
265  if (drop_ctx == NULL)
266  return result;
267 
268  OutputCtx *output_ctx = SCCalloc(1, sizeof(OutputCtx));
269  if (unlikely(output_ctx == NULL)) {
270  JsonDropOutputCtxFree(drop_ctx);
271  return result;
272  }
273 
274  if (conf) {
275  const char *extended = ConfNodeLookupChildValue(conf, "alerts");
276  if (extended != NULL) {
277  if (ConfValIsTrue(extended)) {
278  drop_ctx->flags = LOG_DROP_ALERTS;
279  }
280  }
281  extended = ConfNodeLookupChildValue(conf, "flows");
282  if (extended != NULL) {
283  if (strcasecmp(extended, "start") == 0) {
284  g_droplog_flows_start = 1;
285  } else if (strcasecmp(extended, "all") == 0) {
286  g_droplog_flows_start = 0;
287  } else {
288  SCLogWarning(SC_ERR_CONF_YAML_ERROR, "valid options for "
289  "'flow' are 'start' and 'all'");
290  }
291  }
292  }
293 
294  drop_ctx->file_ctx = ajt->file_ctx;
295  drop_ctx->cfg = ajt->cfg;
296 
297  output_ctx->data = drop_ctx;
298  output_ctx->DeInit = JsonDropLogDeInitCtxSub;
299 
300  result.ctx = output_ctx;
301  result.ok = true;
302  return result;
303 }
304 
305 /**
306  * \brief Log the dropped packets when engine is running in inline mode
307  *
308  * \param tv Pointer the current thread variables
309  * \param data Pointer to the droplog struct
310  * \param p Pointer the packet which is being logged
311  *
312  * \retval 0 on succes
313  */
314 static int JsonDropLogger(ThreadVars *tv, void *thread_data, const Packet *p)
315 {
316  JsonDropLogThread *td = thread_data;
317  int r = DropLogJSON(td, p);
318  if (r < 0)
319  return -1;
320 
321  if (!g_droplog_flows_start)
322  return 0;
323 
324  if (p->flow) {
325  if (p->flow->flags & FLOW_ACTION_DROP) {
328  else if (PKT_IS_TOCLIENT(p) && !(p->flow->flags & FLOW_TOCLIENT_DROP_LOGGED))
330  }
331  }
332  return 0;
333 }
334 
335 
336 /**
337  * \brief Check if we need to drop-log this packet
338  *
339  * \param tv Pointer the current thread variables
340  * \param p Pointer the packet which is tested
341  *
342  * \retval bool TRUE or FALSE
343  */
344 static int JsonDropLogCondition(ThreadVars *tv, const Packet *p)
345 {
346  if (!EngineModeIsIPS()) {
347  SCLogDebug("engine is not running in inline mode, so returning");
348  return FALSE;
349  }
350  if (PKT_IS_PSEUDOPKT(p)) {
351  SCLogDebug("drop log doesn't log pseudo packets");
352  return FALSE;
353  }
354 
355  if (g_droplog_flows_start && p->flow != NULL) {
356  int ret = FALSE;
357 
358  /* for a flow that will be dropped fully, log just once per direction */
359  if (p->flow->flags & FLOW_ACTION_DROP) {
361  ret = TRUE;
362  else if (PKT_IS_TOCLIENT(p) && !(p->flow->flags & FLOW_TOCLIENT_DROP_LOGGED))
363  ret = TRUE;
364  }
365 
366  /* if drop is caused by signature, log anyway */
367  if (p->alerts.drop.action != 0)
368  ret = TRUE;
369 
370  return ret;
371  } else if (PACKET_TEST_ACTION(p, ACTION_DROP)) {
372  return TRUE;
373  }
374 
375  return FALSE;
376 }
377 
379 {
381  "eve-log.drop", JsonDropLogInitCtxSub, JsonDropLogger,
382  JsonDropLogCondition, JsonDropLogThreadInit, JsonDropLogThreadDeinit,
383  NULL);
384 }
PKT_IS_TOCLIENT
#define PKT_IS_TOCLIENT(p)
Definition: decode.h:264
PKT_IS_UDP
#define PKT_IS_UDP(p)
Definition: decode.h:260
tm-threads.h
TCP_GET_RAW_X2
#define TCP_GET_RAW_X2(tcph)
Definition: decode-tcp.h:70
detect-engine.h
OutputDropLoggerEnable
int OutputDropLoggerEnable(void)
Definition: output.c:810
PacketAlert_::s
const struct Signature_ * s
Definition: decode.h:279
JsonDropLogThread_::drop_ctx
JsonDropOutputCtx * drop_ctx
Definition: output-json-drop.c:71
PKT_IS_PSEUDOPKT
#define PKT_IS_PSEUDOPKT(p)
return 1 if the packet is a pseudo packet
Definition: decode.h:1147
PKT_IS_IPV6
#define PKT_IS_IPV6(p)
Definition: decode.h:258
OutputJsonCtx_::cfg
OutputJsonCommonSettings cfg
Definition: output-json.h:104
unlikely
#define unlikely(expr)
Definition: util-optimize.h:35
JsonDropOutputCtx_::file_ctx
LogFileCtx * file_ctx
Definition: output-json-drop.c:64
ACTION_REJECT
#define ACTION_REJECT
Definition: action-globals.h:31
JsonDropLogThread_
Definition: output-json-drop.c:69
SCLogDebug
#define SCLogDebug(...)
Definition: util-debug.h:298
PacketAlerts_::alerts
PacketAlert alerts[PACKET_ALERT_MAX]
Definition: decode.h:300
PacketAlerts_::cnt
uint16_t cnt
Definition: decode.h:299
JSON_OUTPUT_BUFFER_SIZE
#define JSON_OUTPUT_BUFFER_SIZE
Definition: output-json.h:63
threads.h
OutputJsonCtx_
Definition: output-json.h:101
AlertJsonHeader
void AlertJsonHeader(void *ctx, const Packet *p, const PacketAlert *pa, JsonBuilder *js, uint16_t flags, JsonAddrInfo *addr)
Definition: output-json-alert.c:338
ICMPV6_GET_SEQ
#define ICMPV6_GET_SEQ(p)
Definition: decode-icmpv6.h:113
OutputJsonCommonSettings_
Definition: output-json.h:91
logged
int logged
Definition: app-layer-htp.h:1
LogFileCtx_
Definition: util-logopenfile.h:60
JsonDropOutputCtx
struct JsonDropOutputCtx_ JsonDropOutputCtx
json_addr_info_zero
const JsonAddrInfo json_addr_info_zero
Definition: output-json.c:89
OutputJsonBuilderBuffer
int OutputJsonBuilderBuffer(JsonBuilder *js, LogFileCtx *file_ctx, MemBuffer **buffer)
Definition: output-json.c:978
JsonDropOutputCtx_::cfg
OutputJsonCommonSettings cfg
Definition: output-json-drop.c:66
IPV6_GET_L4PROTO
#define IPV6_GET_L4PROTO(p)
Definition: decode-ipv6.h:93
ICMPV6_GET_ID
#define ICMPV6_GET_ID(p)
Definition: decode-icmpv6.h:111
PacketAlerts_::drop
PacketAlert drop
Definition: decode.h:303
util-privs.h
FLOW_ACTION_DROP
#define FLOW_ACTION_DROP
Definition: flow.h:65
EveAddCommonOptions
void EveAddCommonOptions(const OutputJsonCommonSettings *cfg, const Packet *p, const Flow *f, JsonBuilder *js)
Definition: output-json.c:444
FLOW_TOSERVER_DROP_LOGGED
#define FLOW_TOSERVER_DROP_LOGGED
Definition: flow.h:73
proto
uint8_t proto
Definition: decode-template.h:0
TM_ECODE_FAILED
@ TM_ECODE_FAILED
Definition: tm-threads-common.h:81
Packet_::alerts
PacketAlerts alerts
Definition: decode.h:564
util-unittest.h
ConfValIsTrue
int ConfValIsTrue(const char *val)
Check if a value is true.
Definition: conf.c:565
util-unittest-helper.h
OutputCtx_::data
void * data
Definition: tm-modules.h:81
TM_ECODE_OK
@ TM_ECODE_OK
Definition: tm-threads-common.h:80
OutputCtx_
Definition: tm-modules.h:78
IPV6_GET_PLEN
#define IPV6_GET_PLEN(p)
Definition: decode-ipv6.h:88
TCP_GET_WINDOW
#define TCP_GET_WINDOW(p)
Definition: decode-tcp.h:114
PacketAlert_::action
uint8_t action
Definition: decode.h:277
detect-reference.h
TCP_ISSET_FLAG_SYN
#define TCP_ISSET_FLAG_SYN(p)
Definition: decode-tcp.h:120
ICMPV4_GET_SEQ
#define ICMPV4_GET_SEQ(p)
Definition: decode-icmpv4.h:227
ACTION_REJECT_DST
#define ACTION_REJECT_DST
Definition: action-globals.h:32
PKT_IS_TCP
#define PKT_IS_TCP(p)
Definition: decode.h:259
IPV4_GET_IPPROTO
#define IPV4_GET_IPPROTO(p)
Definition: decode-ipv4.h:148
util-debug.h
SC_ERR_CONF_YAML_ERROR
@ SC_ERR_CONF_YAML_ERROR
Definition: util-error.h:274
LOG_DROP_ALERTS
#define LOG_DROP_ALERTS
Definition: output-json-drop.c:61
PKT_IS_TOSERVER
#define PKT_IS_TOSERVER(p)
Definition: decode.h:263
OutputInitResult_::ctx
OutputCtx * ctx
Definition: output.h:44
CreateEveHeader
JsonBuilder * CreateEveHeader(const Packet *p, enum OutputJsonLogDirection dir, const char *event_type, JsonAddrInfo *addr)
Definition: output-json.c:846
output-json.h
util-print.h
detect-engine-mpm.h
detect.h
ThreadVars_
Per thread variable structure.
Definition: threadvars.h:58
IPV4_GET_IPLEN
#define IPV4_GET_IPLEN(p)
Definition: decode-ipv4.h:127
TCP_ISSET_FLAG_URG
#define TCP_ISSET_FLAG_URG(p)
Definition: decode-tcp.h:124
LogFileEnsureExists
LogFileCtx * LogFileEnsureExists(LogFileCtx *parent_ctx, int thread_id)
LogFileEnsureExists() Ensure a log file context for the thread exists.
Definition: util-logopenfile.c:659
util-time.h
OutputInitResult_::ok
bool ok
Definition: output.h:45
IPV4_GET_IPID
#define IPV4_GET_IPID(p)
Definition: decode-ipv4.h:129
JsonDropLogThread_::buffer
MemBuffer * buffer
Definition: output-json-drop.c:72
TRUE
#define TRUE
Definition: suricata-common.h:33
ThreadVars_::id
int id
Definition: threadvars.h:87
PKT_IS_ICMPV6
#define PKT_IS_ICMPV6(p)
Definition: decode.h:262
TCP_GET_SEQ
#define TCP_GET_SEQ(p)
Definition: decode-tcp.h:112
FALSE
#define FALSE
Definition: suricata-common.h:34
JsonAddrInfo_
Definition: output-json.h:49
Packet_
Definition: decode.h:414
conf.h
TmEcode
TmEcode
Definition: tm-threads-common.h:79
util-proto-name.h
MemBuffer_
Definition: util-buffer.h:27
JsonDropOutputCtx_::flags
uint8_t flags
Definition: output-json-drop.c:65
JsonDropLogThread_::file_ctx
LogFileCtx * file_ctx
Definition: output-json-drop.c:70
ACTION_REJECT_BOTH
#define ACTION_REJECT_BOTH
Definition: action-globals.h:33
decode-ipv4.h
ICMPV4_GET_ID
#define ICMPV4_GET_ID(p)
Definition: decode-icmpv4.h:225
IPV6_GET_FLOW
#define IPV6_GET_FLOW(p)
Definition: decode-ipv6.h:84
MemBufferReset
#define MemBufferReset(mem_buffer)
Reset the mem buffer.
Definition: util-buffer.h:42
OutputInitResult_
Definition: output.h:43
Packet_::flow
struct Flow_ * flow
Definition: decode.h:451
UDP_GET_LEN
#define UDP_GET_LEN(p)
Definition: decode-udp.h:35
LOG_DIR_PACKET
@ LOG_DIR_PACKET
Definition: output-json.h:39
IPV6_GET_CLASS
#define IPV6_GET_CLASS(p)
Definition: decode-ipv6.h:82
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:214
Packet_::tcph
TCPHdr * tcph
Definition: decode.h:531
MODULE_NAME
#define MODULE_NAME
Definition: output-json-drop.c:59
MemBufferFree
void MemBufferFree(MemBuffer *buffer)
Definition: util-buffer.c:82
ACTION_DROP
#define ACTION_DROP
Definition: action-globals.h:30
LOGGER_JSON_DROP
@ LOGGER_JSON_DROP
Definition: suricata-common.h:480
SCLogError
#define SCLogError(err_code,...)
Macro used to log ERROR messages.
Definition: util-debug.h:257
TCP_ISSET_FLAG_ACK
#define TCP_ISSET_FLAG_ACK(p)
Definition: decode-tcp.h:123
LogFileFreeCtx
int LogFileFreeCtx(LogFileCtx *lf_ctx)
LogFileFreeCtx() Destroy a LogFileCtx (Close the file and free memory)
Definition: util-logopenfile.c:813
util-classification-config.h
tv
ThreadVars * tv
Definition: fuzz_decodepcapfile.c:29
output-json-alert.h
PKT_IS_ICMPV4
#define PKT_IS_ICMPV4(p)
Definition: decode.h:261
threadvars.h
TCP_ISSET_FLAG_RST
#define TCP_ISSET_FLAG_RST(p)
Definition: decode-tcp.h:121
IPV4_GET_IPTOS
#define IPV4_GET_IPTOS(p)
Definition: decode-ipv4.h:125
JsonDropLogThread
struct JsonDropLogThread_ JsonDropLogThread
SCLogWarning
#define SCLogWarning(err_code,...)
Macro used to log WARNING messages.
Definition: util-debug.h:244
SCFree
#define SCFree(p)
Definition: util-mem.h:61
ConfNode_
Definition: conf.h:32
util-logopenfile.h
JsonDropOutputCtx_
Definition: output-json-drop.c:63
TCP_ISSET_FLAG_FIN
#define TCP_ISSET_FLAG_FIN(p)
Definition: decode-tcp.h:119
Flow_::flags
uint32_t flags
Definition: flow.h:421
JsonDropLogRegister
void JsonDropLogRegister(void)
Definition: output-json-drop.c:378
detect-parse.h
util-buffer.h
FLOW_TOCLIENT_DROP_LOGGED
#define FLOW_TOCLIENT_DROP_LOGGED
Definition: flow.h:75
IPV6_GET_HLIM
#define IPV6_GET_HLIM(p)
Definition: decode-ipv6.h:90
OutputJsonCtx_::file_ctx
LogFileCtx * file_ctx
Definition: output-json.h:102
EngineModeIsIPS
int EngineModeIsIPS(void)
Definition: suricata.c:244
TCP_GET_URG_POINTER
#define TCP_GET_URG_POINTER(p)
Definition: decode-tcp.h:115
PacketAlert_
Definition: decode.h:275
JsonAddrInfoInit
void JsonAddrInfoInit(const Packet *p, enum OutputJsonLogDirection dir, JsonAddrInfo *addr)
Definition: output-json.c:508
TCP_GET_ACK
#define TCP_GET_ACK(p)
Definition: decode-tcp.h:113
flow.h
SCCalloc
#define SCCalloc(nm, sz)
Definition: util-mem.h:53
PKT_IS_IPV4
#define PKT_IS_IPV4(p)
Definition: decode.h:257
MemBufferCreateNew
MemBuffer * MemBufferCreateNew(uint32_t size)
Definition: util-buffer.c:32
debug.h
output.h
IPV4_GET_IPTTL
#define IPV4_GET_IPTTL(p)
Definition: decode-ipv4.h:146
OutputDropLoggerDisable
void OutputDropLoggerDisable(void)
Definition: output.c:818
TCP_ISSET_FLAG_PUSH
#define TCP_ISSET_FLAG_PUSH(p)
Definition: decode-tcp.h:122
PACKET_TEST_ACTION
#define PACKET_TEST_ACTION(p, a)
Definition: decode.h:870
output-json-drop.h
ConfNodeLookupChildValue
const char * ConfNodeLookupChildValue(const ConfNode *node, const char *name)
Lookup the value of a child configuration node by name.
Definition: conf.c:842