suricata
flow-timeout.c
Go to the documentation of this file.
1 /* Copyright (C) 2007-2017 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 Anoop Saldanha <anoopsaldanha@gmail.com>
22  */
23 
24 #include "suricata-common.h"
25 #include "suricata.h"
26 #include "decode.h"
27 #include "conf.h"
28 #include "threadvars.h"
29 #include "tm-threads.h"
30 #include "runmodes.h"
31 
32 #include "util-random.h"
33 #include "util-time.h"
34 
35 #include "flow.h"
36 #include "flow-queue.h"
37 #include "flow-hash.h"
38 #include "flow-util.h"
39 #include "flow-var.h"
40 #include "flow-private.h"
41 #include "flow-manager.h"
42 #include "flow-timeout.h"
43 #include "pkt-var.h"
44 #include "host.h"
45 
46 #include "stream-tcp-private.h"
47 #include "stream-tcp-reassemble.h"
48 #include "stream-tcp.h"
49 
50 #include "util-unittest.h"
51 #include "util-unittest-helper.h"
52 #include "util-byte.h"
53 
54 #include "util-debug.h"
55 #include "util-privs.h"
56 #include "util-datalink.h"
57 
58 #include "detect.h"
59 #include "detect-engine-state.h"
60 #include "stream.h"
61 
62 #include "app-layer-parser.h"
63 #include "app-layer.h"
64 
65 #include "util-profiling.h"
66 
67 /**
68  * \internal
69  * \brief Pseudo packet setup for flow forced reassembly.
70  *
71  * \param direction Direction of the packet. 0 indicates toserver and 1
72  * indicates toclient.
73  * \param f Pointer to the flow.
74  * \param ssn Pointer to the tcp session.
75  * \param dummy Indicates to create a dummy pseudo packet. Not all pseudo
76  * packets need to force reassembly, in which case we just
77  * set dummy ack/seq values.
78  */
79 static inline Packet *FlowForceReassemblyPseudoPacketSetup(
80  Packet *p, int direction, Flow *f, const TcpSession *ssn)
81 {
82  const int orig_dir = direction;
83  p->tenant_id = f->tenant_id;
85  p->proto = IPPROTO_TCP;
86  FlowReference(&p->flow, f);
87  p->flags |= PKT_STREAM_EST;
88  p->flags |= PKT_STREAM_EOF;
89  p->flags |= PKT_HAS_FLOW;
91  memcpy(&p->vlan_id[0], &f->vlan_id[0], sizeof(p->vlan_id));
92  p->vlan_idx = f->vlan_idx;
93  p->livedev = (struct LiveDevice_ *)f->livedev;
94 
96  DecodeSetNoPacketInspectionFlag(p);
97  }
99  DecodeSetNoPayloadInspectionFlag(p);
100  }
101 
102  if (direction == 0)
104  else
107  p->payload = NULL;
108  p->payload_len = 0;
109 
110  /* apply reversed flow logic after setting direction to the packet */
111  direction ^= ((f->flags & FLOW_DIR_REVERSED) != 0);
112 
113  if (FLOW_IS_IPV4(f)) {
114  if (direction == 0) {
117  p->sp = f->sp;
118  p->dp = f->dp;
119  } else {
122  p->sp = f->dp;
123  p->dp = f->sp;
124  }
125 
126  /* Check if we have enough room in direct data. We need ipv4 hdr + tcp hdr.
127  * Force an allocation if it is not the case.
128  */
129  if (GET_PKT_DIRECT_MAX_SIZE(p) < 40) {
130  if (PacketCallocExtPkt(p, 40) == -1) {
131  goto error;
132  }
133  }
134  /* set the ip header */
135  p->ip4h = (IPV4Hdr *)GET_PKT_DATA(p);
136  /* version 4 and length 20 bytes for the tcp header */
137  p->ip4h->ip_verhl = 0x45;
138  p->ip4h->ip_tos = 0;
139  p->ip4h->ip_len = htons(40);
140  p->ip4h->ip_id = 0;
141  p->ip4h->ip_off = 0;
142  p->ip4h->ip_ttl = 64;
143  p->ip4h->ip_proto = IPPROTO_TCP;
144  //p->ip4h->ip_csum =
145  if (direction == 0) {
146  p->ip4h->s_ip_src.s_addr = f->src.addr_data32[0];
147  p->ip4h->s_ip_dst.s_addr = f->dst.addr_data32[0];
148  } else {
149  p->ip4h->s_ip_src.s_addr = f->dst.addr_data32[0];
150  p->ip4h->s_ip_dst.s_addr = f->src.addr_data32[0];
151  }
152 
153  /* set the tcp header */
154  p->tcph = (TCPHdr *)((uint8_t *)GET_PKT_DATA(p) + 20);
155 
156  SET_PKT_LEN(p, 40); /* ipv4 hdr + tcp hdr */
157 
158  } else if (FLOW_IS_IPV6(f)) {
159  if (direction == 0) {
162  p->sp = f->sp;
163  p->dp = f->dp;
164  } else {
167  p->sp = f->dp;
168  p->dp = f->sp;
169  }
170 
171  /* Check if we have enough room in direct data. We need ipv6 hdr + tcp hdr.
172  * Force an allocation if it is not the case.
173  */
174  if (GET_PKT_DIRECT_MAX_SIZE(p) < 60) {
175  if (PacketCallocExtPkt(p, 60) == -1) {
176  goto error;
177  }
178  }
179  /* set the ip header */
180  p->ip6h = (IPV6Hdr *)GET_PKT_DATA(p);
181  /* version 6 */
182  p->ip6h->s_ip6_vfc = 0x60;
183  p->ip6h->s_ip6_flow = 0;
184  p->ip6h->s_ip6_nxt = IPPROTO_TCP;
185  p->ip6h->s_ip6_plen = htons(20);
186  p->ip6h->s_ip6_hlim = 64;
187  if (direction == 0) {
188  p->ip6h->s_ip6_src[0] = f->src.addr_data32[0];
189  p->ip6h->s_ip6_src[1] = f->src.addr_data32[1];
190  p->ip6h->s_ip6_src[2] = f->src.addr_data32[2];
191  p->ip6h->s_ip6_src[3] = f->src.addr_data32[3];
192  p->ip6h->s_ip6_dst[0] = f->dst.addr_data32[0];
193  p->ip6h->s_ip6_dst[1] = f->dst.addr_data32[1];
194  p->ip6h->s_ip6_dst[2] = f->dst.addr_data32[2];
195  p->ip6h->s_ip6_dst[3] = f->dst.addr_data32[3];
196  } else {
197  p->ip6h->s_ip6_src[0] = f->dst.addr_data32[0];
198  p->ip6h->s_ip6_src[1] = f->dst.addr_data32[1];
199  p->ip6h->s_ip6_src[2] = f->dst.addr_data32[2];
200  p->ip6h->s_ip6_src[3] = f->dst.addr_data32[3];
201  p->ip6h->s_ip6_dst[0] = f->src.addr_data32[0];
202  p->ip6h->s_ip6_dst[1] = f->src.addr_data32[1];
203  p->ip6h->s_ip6_dst[2] = f->src.addr_data32[2];
204  p->ip6h->s_ip6_dst[3] = f->src.addr_data32[3];
205  }
206 
207  /* set the tcp header */
208  p->tcph = (TCPHdr *)((uint8_t *)GET_PKT_DATA(p) + 40);
209 
210  SET_PKT_LEN(p, 60); /* ipv6 hdr + tcp hdr */
211  }
212 
213  p->tcph->th_offx2 = 0x50;
214  p->tcph->th_flags = 0;
215  p->tcph->th_win = 10;
216  p->tcph->th_urp = 0;
217 
218  /* to server */
219  if (orig_dir == 0) {
220  p->tcph->th_sport = htons(f->sp);
221  p->tcph->th_dport = htons(f->dp);
222 
223  p->tcph->th_seq = htonl(ssn->client.next_seq);
224  p->tcph->th_ack = htonl(ssn->server.last_ack);
225 
226  /* to client */
227  } else {
228  p->tcph->th_sport = htons(f->dp);
229  p->tcph->th_dport = htons(f->sp);
230 
231  p->tcph->th_seq = htonl(ssn->server.next_seq);
232  p->tcph->th_ack = htonl(ssn->client.last_ack);
233  }
234 
235  if (FLOW_IS_IPV4(f)) {
236  p->tcph->th_sum = TCPChecksum(p->ip4h->s_ip_addrs,
237  (uint16_t *)p->tcph, 20, 0);
238  /* calc ipv4 csum as we may log it and barnyard might reject
239  * a wrong checksum */
240  p->ip4h->ip_csum = IPV4Checksum((uint16_t *)p->ip4h,
241  IPV4_GET_RAW_HLEN(p->ip4h), 0);
242  } else if (FLOW_IS_IPV6(f)) {
243  p->tcph->th_sum = TCPChecksum(p->ip6h->s_ip6_addrs,
244  (uint16_t *)p->tcph, 20, 0);
245  }
246 
247  p->ts = TimeGet();
248 
249  if (direction == 0) {
250  if (f->alparser && !STREAM_HAS_SEEN_DATA(&ssn->client)) {
252  }
253  } else {
254  if (f->alparser && !STREAM_HAS_SEEN_DATA(&ssn->server)) {
256  }
257  }
258 
259  return p;
260 
261 error:
262  FlowDeReference(&p->flow);
263  return NULL;
264 }
265 
267 {
268  PacketPoolWait();
270  if (p == NULL) {
271  return NULL;
272  }
273 
275 
276  return FlowForceReassemblyPseudoPacketSetup(p, direction, f, ssn);
277 }
278 
279 /**
280  * \brief Check if a flow needs forced reassembly, or any other processing
281  *
282  * \param f *LOCKED* flow
283  *
284  * \retval 0 no
285  * \retval 1 yes
286  */
288 {
289 
290  if (f == NULL || f->protoctx == NULL) {
291  SCReturnInt(0);
292  }
293 
294  TcpSession *ssn = (TcpSession *)f->protoctx;
295  uint8_t client = StreamNeedsReassembly(ssn, STREAM_TOSERVER);
296  uint8_t server = StreamNeedsReassembly(ssn, STREAM_TOCLIENT);
297 
298  /* if state is not fully closed we assume that we haven't fully
299  * inspected the app layer state yet */
300  if (ssn->state >= TCP_ESTABLISHED && ssn->state != TCP_CLOSED)
301  {
304  }
305 
306  /* if app layer still needs some love, push through */
307  if (f->alproto != ALPROTO_UNKNOWN && f->alstate != NULL) {
308  const uint64_t total_txs = AppLayerParserGetTxCnt(f, f->alstate);
309 
310  if (AppLayerParserGetTransactionActive(f, f->alparser, STREAM_TOCLIENT) < total_txs)
311  {
313  }
314  if (AppLayerParserGetTransactionActive(f, f->alparser, STREAM_TOSERVER) < total_txs)
315  {
317  }
318  }
319 
320  /* nothing to do */
321  if (client == STREAM_HAS_UNPROCESSED_SEGMENTS_NONE &&
323  SCReturnInt(0);
324  }
325 
326  f->ffr_ts = client;
327  f->ffr_tc = server;
328  SCReturnInt(1);
329 }
330 
331 /**
332  * \internal
333  * \brief Forces reassembly for flow if it needs it.
334  *
335  * The function requires flow to be locked beforehand.
336  *
337  * \param f Pointer to the flow.
338  *
339  * \retval 0 This flow doesn't need any reassembly processing; 1 otherwise.
340  */
342 {
343  const int thread_id = (int)f->thread_id[0];
344  TmThreadsInjectFlowById(f, thread_id);
345 }
346 
347 /**
348  * \internal
349  * \brief Forces reassembly for flows that need it.
350  *
351  * When this function is called we're running in virtually dead engine,
352  * so locking the flows is not strictly required. The reasons it is still
353  * done are:
354  * - code consistency
355  * - silence complaining profilers
356  * - allow us to aggressively check using debug validation assertions
357  * - be robust in case of future changes
358  * - locking overhead if neglectable when no other thread fights us
359  *
360  * \param q The queue to process flows from.
361  */
362 static inline void FlowForceReassemblyForHash(void)
363 {
364  for (uint32_t idx = 0; idx < flow_config.hash_size; idx++) {
365  FlowBucket *fb = &flow_hash[idx];
366  FBLOCK_LOCK(fb);
367 
368  Flow *f = fb->head;
369  Flow *prev_f = NULL;
370 
371  /* we need to loop through all the flows in the queue */
372  while (f != NULL) {
373  Flow *next_f = f->next;
374 
375  FLOWLOCK_WRLOCK(f);
376 
377  /* Get the tcp session for the flow */
378  TcpSession *ssn = (TcpSession *)f->protoctx;
379  /* \todo Also skip flows that shouldn't be inspected */
380  if (ssn == NULL) {
381  FLOWLOCK_UNLOCK(f);
382  prev_f = f;
383  f = next_f;
384  continue;
385  }
386 
387  /* in case of additional work, we pull the flow out of the
388  * hash and xfer ownership to the injected packet(s) */
389  if (FlowForceReassemblyNeedReassembly(f) == 1) {
390  RemoveFromHash(f, prev_f);
393  FLOWLOCK_UNLOCK(f);
394  f = next_f;
395  continue;
396  }
397 
398  FLOWLOCK_UNLOCK(f);
399 
400  /* next flow in the queue */
401  prev_f = f;
402  f = f->next;
403  }
404  FBLOCK_UNLOCK(fb);
405  }
406  return;
407 }
408 
409 /**
410  * \brief Force reassembly for all the flows that have unprocessed segments.
411  */
413 {
414  /* Carry out flow reassembly for unattended flows */
415  FlowForceReassemblyForHash();
416  return;
417 }
Flow_::ffr_tc
uint8_t ffr_tc
Definition: flow.h:382
util-byte.h
host.h
tm-threads.h
Packet_::proto
uint8_t proto
Definition: decode.h:452
FlowForceReassemblyForFlow
void FlowForceReassemblyForFlow(Flow *f)
Definition: flow-timeout.c:341
Flow_::ffr_ts
uint8_t ffr_ts
Definition: flow.h:381
FLOW_IS_IPV6
#define FLOW_IS_IPV6(f)
Definition: flow.h:165
PKT_HAS_FLOW
#define PKT_HAS_FLOW
Definition: decode.h:1005
IPV4Hdr_::ip_ttl
uint8_t ip_ttl
Definition: decode-ipv4.h:78
flow-util.h
FBLOCK_LOCK
#define FBLOCK_LOCK(fb)
Definition: flow-hash.h:73
stream-tcp.h
FlowCnf_::hash_size
uint32_t hash_size
Definition: flow.h:288
FlowForceReassemblyPseudoPacketGet
Packet * FlowForceReassemblyPseudoPacketGet(int direction, Flow *f, const TcpSession *ssn)
Definition: flow-timeout.c:266
Packet_::payload
uint8_t * payload
Definition: decode.h:577
Packet_::flags
uint32_t flags
Definition: decode.h:467
Packet_::vlan_idx
uint8_t vlan_idx
Definition: decode.h:458
flow-private.h
Flow_
Flow data structure.
Definition: flow.h:350
LiveDevice_
Definition: util-device.h:50
flow-hash.h
FLOW_NOPAYLOAD_INSPECTION
#define FLOW_NOPAYLOAD_INSPECTION
Definition: flow.h:63
FlowForceReassembly
void FlowForceReassembly(void)
Force reassembly for all the flows that have unprocessed segments.
Definition: flow-timeout.c:412
IPV4Hdr_::ip_id
uint16_t ip_id
Definition: decode-ipv4.h:76
FLOW_PKT_TOSERVER
#define FLOW_PKT_TOSERVER
Definition: flow.h:222
TCP_ESTABLISHED
@ TCP_ESTABLISHED
Definition: stream-tcp-private.h:155
IPV4Hdr_::ip_tos
uint8_t ip_tos
Definition: decode-ipv4.h:74
util-privs.h
stream-tcp-reassemble.h
Flow_::dp
Port dp
Definition: flow.h:366
Packet_::flowflags
uint8_t flowflags
Definition: decode.h:461
APP_LAYER_PARSER_EOF_TS
#define APP_LAYER_PARSER_EOF_TS
Definition: app-layer-parser.h:39
Flow_::protoctx
void * protoctx
Definition: flow.h:440
GET_PKT_DIRECT_MAX_SIZE
#define GET_PKT_DIRECT_MAX_SIZE(p)
Definition: decode.h:222
Packet_::payload_len
uint16_t payload_len
Definition: decode.h:578
util-unittest.h
util-unittest-helper.h
FLOWLOCK_UNLOCK
#define FLOWLOCK_UNLOCK(fb)
Definition: flow.h:267
TmThreadsInjectFlowById
void TmThreadsInjectFlowById(Flow *f, const int id)
inject a flow into a threads flow queue
Definition: tm-threads.c:2292
FLOW_COPY_IPV6_ADDR_TO_PACKET
#define FLOW_COPY_IPV6_ADDR_TO_PACKET(fa, pa)
Definition: flow.h:178
Packet_::datalink
int datalink
Definition: decode.h:611
STREAM_HAS_UNPROCESSED_SEGMENTS_NONE
@ STREAM_HAS_UNPROCESSED_SEGMENTS_NONE
Definition: stream-tcp.h:173
TcpStream_::last_ack
uint32_t last_ack
Definition: stream-tcp-private.h:115
IPV4Hdr_::ip_len
uint16_t ip_len
Definition: decode-ipv4.h:75
Flow_::alparser
AppLayerParserState * alparser
Definition: flow.h:474
Flow_::dst
FlowAddress dst
Definition: flow.h:353
SET_PKT_LEN
#define SET_PKT_LEN(p, len)
Definition: decode.h:224
decode.h
util-debug.h
AppLayerParserGetTransactionActive
uint64_t AppLayerParserGetTransactionActive(const Flow *f, AppLayerParserState *pstate, uint8_t direction)
Definition: app-layer-parser.c:1168
STREAM_HAS_SEEN_DATA
#define STREAM_HAS_SEEN_DATA(stream)
Definition: stream-tcp-private.h:104
Packet_::ts
SCTime_t ts
Definition: decode.h:475
PKT_PSEUDO_STREAM_END
#define PKT_PSEUDO_STREAM_END
Definition: decode.h:1007
FLOWLOCK_WRLOCK
#define FLOWLOCK_WRLOCK(fb)
Definition: flow.h:264
FlowForceReassemblyNeedReassembly
int FlowForceReassemblyNeedReassembly(Flow *f)
Check if a flow needs forced reassembly, or any other processing.
Definition: flow-timeout.c:287
GET_PKT_DATA
#define GET_PKT_DATA(p)
Definition: decode.h:220
detect.h
Flow_::flow_end_flags
uint8_t flow_end_flags
Definition: flow.h:446
pkt-var.h
Packet_::sp
Port sp
Definition: decode.h:437
IPV4_GET_RAW_HLEN
#define IPV4_GET_RAW_HLEN(ip4h)
Definition: decode-ipv4.h:96
StreamNeedsReassembly
uint8_t StreamNeedsReassembly(const TcpSession *ssn, uint8_t direction)
see what if any work the TCP session still needs
Definition: stream-tcp-reassemble.c:916
TcpSession_::state
uint8_t state
Definition: stream-tcp-private.h:285
util-time.h
app-layer-parser.h
FLOW_IS_IPV4
#define FLOW_IS_IPV4(f)
Definition: flow.h:163
util-profiling.h
PacketCallocExtPkt
int PacketCallocExtPkt(Packet *p, int datalen)
Definition: decode.c:224
PacketPoolWait
void PacketPoolWait(void)
Definition: tmqh-packetpool.c:80
stream.h
IPV6Hdr_
Definition: decode-ipv6.h:32
Packet_
Definition: decode.h:430
TimeGet
SCTime_t TimeGet(void)
Definition: util-time.c:152
stream-tcp-private.h
APP_LAYER_PARSER_EOF_TC
#define APP_LAYER_PARSER_EOF_TC
Definition: app-layer-parser.h:40
conf.h
Packet_::ip4h
IPV4Hdr * ip4h
Definition: decode.h:535
FBLOCK_UNLOCK
#define FBLOCK_UNLOCK(fb)
Definition: flow-hash.h:75
Packet_::livedev
struct LiveDevice_ * livedev
Definition: decode.h:590
PKT_STREAM_EOF
#define PKT_STREAM_EOF
Definition: decode.h:1004
Flow_::vlan_idx
uint8_t vlan_idx
Definition: flow.h:376
detect-engine-state.h
Data structures and function prototypes for keeping state for the detection engine.
flow-timeout.h
flow-queue.h
FLOW_PKT_TOCLIENT
#define FLOW_PKT_TOCLIENT
Definition: flow.h:223
runmodes.h
Flow_::src
FlowAddress src
Definition: flow.h:353
Flow_::next
struct Flow_ * next
Definition: flow.h:395
IPV4Hdr_
Definition: decode-ipv4.h:72
TCP_CLOSED
@ TCP_CLOSED
Definition: stream-tcp-private.h:162
flow_hash
FlowBucket * flow_hash
Definition: flow-hash.c:58
AppLayerParserStateSetFlag
void AppLayerParserStateSetFlag(AppLayerParserState *pstate, uint16_t flag)
Definition: app-layer-parser.c:1794
Packet_::flow
struct Flow_ * flow
Definition: decode.h:469
Packet_::tenant_id
uint32_t tenant_id
Definition: decode.h:634
flow-manager.h
suricata-common.h
STREAM_HAS_UNPROCESSED_SEGMENTS_NEED_ONLY_DETECTION
@ STREAM_HAS_UNPROCESSED_SEGMENTS_NEED_ONLY_DETECTION
Definition: stream-tcp.h:176
Packet_::tcph
TCPHdr * tcph
Definition: decode.h:557
flow_config
FlowConfig flow_config
Definition: flow.c:102
TcpSession_::client
TcpStream client
Definition: stream-tcp-private.h:295
Flow_::livedev
struct LiveDevice_ * livedev
Definition: flow.h:397
PACKET_PROFILING_START
#define PACKET_PROFILING_START(p)
Definition: util-profiling.h:73
TcpStream_::next_seq
uint32_t next_seq
Definition: stream-tcp-private.h:114
threadvars.h
TcpSession_::server
TcpStream server
Definition: stream-tcp-private.h:294
Flow_::alstate
void * alstate
Definition: flow.h:475
Flow_::flags
uint32_t flags
Definition: flow.h:420
PacketPoolGetPacket
Packet * PacketPoolGetPacket(void)
Get a new packet from the packet pool.
Definition: tmqh-packetpool.c:127
ALPROTO_UNKNOWN
@ ALPROTO_UNKNOWN
Definition: app-layer-protos.h:29
util-random.h
FLOW_PKT_ESTABLISHED
#define FLOW_PKT_ESTABLISHED
Definition: flow.h:224
IPV4Hdr_::ip_csum
uint16_t ip_csum
Definition: decode-ipv4.h:80
FLOW_END_FLAG_SHUTDOWN
#define FLOW_END_FLAG_SHUTDOWN
Definition: flow.h:239
suricata.h
Packet_::dst
Address dst
Definition: decode.h:435
Flow_::vlan_id
uint16_t vlan_id[VLAN_MAX_LAYERS]
Definition: flow.h:374
Packet_::vlan_id
uint16_t vlan_id[VLAN_MAX_LAYERS]
Definition: decode.h:457
FLOW_NOPACKET_INSPECTION
#define FLOW_NOPACKET_INSPECTION
Definition: flow.h:61
IPV4Hdr_::ip_off
uint16_t ip_off
Definition: decode-ipv4.h:77
Flow_::sp
Port sp
Definition: flow.h:355
Packet_::ip6h
IPV6Hdr * ip6h
Definition: decode.h:537
TcpSession_
Definition: stream-tcp-private.h:283
flow.h
Flow_::alproto
AppProto alproto
application level protocol
Definition: flow.h:449
Packet_::dp
Port dp
Definition: decode.h:445
FLOW_DIR_REVERSED
#define FLOW_DIR_REVERSED
Definition: flow.h:108
IPV4Hdr_::ip_proto
uint8_t ip_proto
Definition: decode-ipv4.h:79
SCReturnInt
#define SCReturnInt(x)
Definition: util-debug.h:275
flow-var.h
AppLayerParserGetTxCnt
uint64_t AppLayerParserGetTxCnt(const Flow *f, void *alstate)
Definition: app-layer-parser.c:1118
IPV4Hdr_::ip_verhl
uint8_t ip_verhl
Definition: decode-ipv4.h:73
Packet_::src
Address src
Definition: decode.h:434
Flow_::tenant_id
uint32_t tenant_id
Definition: flow.h:415
PKT_STREAM_EST
#define PKT_STREAM_EST
Definition: decode.h:1002
Flow_::thread_id
FlowThreadId thread_id[2]
Definition: flow.h:393
app-layer.h
FLOW_COPY_IPV4_ADDR_TO_PACKET
#define FLOW_COPY_IPV4_ADDR_TO_PACKET(fa, pa)
Definition: flow.h:173