suricata
detect.h
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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 Victor Julien <victor@inliniac.net>
22  */
23 
24 #ifndef __DETECT_H__
25 #define __DETECT_H__
26 
27 #include "suricata-common.h"
28 
29 #include "flow.h"
30 
31 #include "detect-engine-proto.h"
32 #include "detect-reference.h"
33 #include "detect-metadata.h"
34 #include "detect-engine-register.h"
35 #include "packet-queue.h"
36 
37 #include "util-prefilter.h"
38 #include "util-mpm.h"
39 #include "util-spm.h"
40 #include "util-hash.h"
41 #include "util-hashlist.h"
42 #include "util-debug.h"
43 #include "util-error.h"
44 #include "util-radix-tree.h"
45 #include "util-file.h"
46 #include "reputation.h"
47 
48 #include "detect-mark.h"
49 
50 #include "stream.h"
51 
52 #include "util-var-name.h"
53 
54 #include "app-layer-events.h"
55 
56 #define DETECT_MAX_RULE_SIZE 8192
57 
58 #define DETECT_TRANSFORMS_MAX 16
59 
60 /** default rule priority if not set through priority keyword or via
61  * classtype. */
62 #define DETECT_DEFAULT_PRIO 3
63 
64 /* forward declarations for the structures from detect-engine-sigorder.h */
65 struct SCSigOrderFunc_;
67 
68 /*
69  The detection engine groups similar signatures/rules together. Internally a
70  tree of different types of data is created on initialization. This is it's
71  global layout:
72 
73  For TCP/UDP
74 
75  - Flow direction
76  -- Protocol
77  -=- Dst port
78 
79  For the other protocols
80 
81  - Flow direction
82  -- Protocol
83 */
84 
85 /* holds the values for different possible lists in struct Signature.
86  * These codes are access points to particular lists in the array
87  * Signature->sm_lists[DETECT_SM_LIST_MAX]. */
91 
92  /* base64_data keyword uses some hardcoded logic so consider
93  * built-in
94  * TODO convert to inspect engine */
96 
97  /* list for post match actions: flowbit set, flowint increment, etc */
99 
100  DETECT_SM_LIST_TMATCH, /**< post-detection tagging */
101 
102  /* lists for alert thresholding and suppression */
105 
107 
108  /* start of dynamically registered lists */
110 };
111 
112 /* used for Signature->list, which indicates which list
113  * we're adding keywords to in cases of sticky buffers like
114  * file_data */
115 #define DETECT_SM_LIST_NOTSET INT_MAX
116 
117 /*
118  * DETECT ADDRESS
119  */
120 
121 /* a is ... than b */
122 enum {
123  ADDRESS_ER = -1, /**< error e.g. compare ipv4 and ipv6 */
124  ADDRESS_LT, /**< smaller [aaa] [bbb] */
125  ADDRESS_LE, /**< smaller with overlap [aa[bab]bb] */
126  ADDRESS_EQ, /**< exactly equal [abababab] */
127  ADDRESS_ES, /**< within [bb[aaa]bb] and [[abab]bbb] and [bbb[abab]] */
128  ADDRESS_EB, /**< completely overlaps [aa[bbb]aa] and [[baba]aaa] and [aaa[baba]] */
129  ADDRESS_GE, /**< bigger with overlap [bb[aba]aa] */
130  ADDRESS_GT, /**< bigger [bbb] [aaa] */
131 };
132 
133 #define ADDRESS_FLAG_NOT 0x01 /**< address is negated */
134 
135 /** \brief address structure for use in the detection engine.
136  *
137  * Contains the address information and matching information.
138  */
139 typedef struct DetectAddress_ {
140  /** address data for this group */
143 
144  /** flags affecting this address */
145  uint8_t flags;
146 
147  /** ptr to the previous address in the list */
149  /** ptr to the next address in the list */
152 
153 /** Address grouping head. IPv4 and IPv6 are split out */
154 typedef struct DetectAddressHead_ {
158 
159 
160 typedef struct DetectMatchAddressIPv4_ {
161  uint32_t ip; /**< address in host order, start of range */
162  uint32_t ip2; /**< address in host order, end of range */
164 
165 typedef struct DetectMatchAddressIPv6_ {
166  uint32_t ip[4];
167  uint32_t ip2[4];
169 
170 /*
171  * DETECT PORT
172  */
173 
174 /* a is ... than b */
175 enum {
176  PORT_ER = -1, /* error e.g. compare ipv4 and ipv6 */
177  PORT_LT, /* smaller [aaa] [bbb] */
178  PORT_LE, /* smaller with overlap [aa[bab]bb] */
179  PORT_EQ, /* exactly equal [abababab] */
180  PORT_ES, /* within [bb[aaa]bb] and [[abab]bbb] and [bbb[abab]] */
181  PORT_EB, /* completely overlaps [aa[bbb]aa] and [[baba]aaa] and [aaa[baba]] */
182  PORT_GE, /* bigger with overlap [bb[aba]aa] */
183  PORT_GT, /* bigger [bbb] [aaa] */
184 };
185 
186 #define PORT_FLAG_ANY 0x01 /**< 'any' special port */
187 #define PORT_FLAG_NOT 0x02 /**< negated port */
188 #define PORT_SIGGROUPHEAD_COPY 0x04 /**< sgh is a ptr copy */
189 
190 /** \brief Port structure for detection engine */
191 typedef struct DetectPort_ {
192  uint16_t port;
193  uint16_t port2;
194 
195  uint8_t flags; /**< flags for this port */
196 
197  /* signatures that belong in this group
198  *
199  * If the PORT_SIGGROUPHEAD_COPY flag is set, we don't own this pointer
200  * (memory is freed elsewhere).
201  */
202  struct SigGroupHead_ *sh;
203 
204  struct DetectPort_ *prev;
205  struct DetectPort_ *next;
207 
208 /* Signature flags */
209 /** \note: additions should be added to the rule analyzer as well */
210 
211 #define SIG_FLAG_SRC_ANY BIT_U32(0) /**< source is any */
212 #define SIG_FLAG_DST_ANY BIT_U32(1) /**< destination is any */
213 #define SIG_FLAG_SP_ANY BIT_U32(2) /**< source port is any */
214 #define SIG_FLAG_DP_ANY BIT_U32(3) /**< destination port is any */
215 
216 #define SIG_FLAG_NOALERT BIT_U32(4) /**< no alert flag is set */
217 #define SIG_FLAG_DSIZE BIT_U32(5) /**< signature has a dsize setting */
218 #define SIG_FLAG_APPLAYER BIT_U32(6) /**< signature applies to app layer instead of packets */
219 #define SIG_FLAG_IPONLY BIT_U32(7) /**< ip only signature */
220 
221 // vacancy
222 
223 #define SIG_FLAG_REQUIRE_PACKET BIT_U32(9) /**< signature is requiring packet match */
224 #define SIG_FLAG_REQUIRE_STREAM BIT_U32(10) /**< signature is requiring stream match */
225 
226 #define SIG_FLAG_MPM_NEG BIT_U32(11)
227 
228 #define SIG_FLAG_FLUSH BIT_U32(12) /**< detection logic needs stream flush notification */
229 
230 // vacancies
231 
232 #define SIG_FLAG_REQUIRE_FLOWVAR BIT_U32(17) /**< signature can only match if a flowbit, flowvar or flowint is available. */
233 
234 #define SIG_FLAG_FILESTORE BIT_U32(18) /**< signature has filestore keyword */
235 
236 #define SIG_FLAG_TOSERVER BIT_U32(19)
237 #define SIG_FLAG_TOCLIENT BIT_U32(20)
238 
239 #define SIG_FLAG_TLSSTORE BIT_U32(21)
240 
241 #define SIG_FLAG_BYPASS BIT_U32(22)
242 
243 #define SIG_FLAG_PREFILTER BIT_U32(23) /**< sig is part of a prefilter engine */
244 
245 /** Proto detect only signature.
246  * Inspected once per direction when protocol detection is done. */
247 #define SIG_FLAG_PDONLY BIT_U32(24)
248 /** Info for Source and Target identification */
249 #define SIG_FLAG_SRC_IS_TARGET BIT_U32(25)
250 /** Info for Source and Target identification */
251 #define SIG_FLAG_DEST_IS_TARGET BIT_U32(26)
252 
253 #define SIG_FLAG_HAS_TARGET (SIG_FLAG_DEST_IS_TARGET|SIG_FLAG_SRC_IS_TARGET)
254 
255 /* signature init flags */
256 #define SIG_FLAG_INIT_DEONLY BIT_U32(0) /**< decode event only signature */
257 #define SIG_FLAG_INIT_PACKET BIT_U32(1) /**< signature has matches against a packet (as opposed to app layer) */
258 #define SIG_FLAG_INIT_FLOW BIT_U32(2) /**< signature has a flow setting */
259 #define SIG_FLAG_INIT_BIDIREC BIT_U32(3) /**< signature has bidirectional operator */
260 #define SIG_FLAG_INIT_FIRST_IPPROTO_SEEN BIT_U32(4) /** < signature has seen the first ip_proto keyword */
261 #define SIG_FLAG_INIT_HAS_TRANSFORM BIT_U32(5)
262 #define SIG_FLAG_INIT_STATE_MATCH BIT_U32(6) /**< signature has matches that require stateful inspection */
263 #define SIG_FLAG_INIT_NEED_FLUSH BIT_U32(7)
264 #define SIG_FLAG_INIT_PRIO_EXPLICT BIT_U32(8) /**< priority is explicitly set by the priority keyword */
265 #define SIG_FLAG_INIT_FILEDATA BIT_U32(9) /**< signature has filedata keyword */
266 #define SIG_FLAG_INIT_DCERPC BIT_U32(10) /**< signature has DCERPC keyword */
267 
268 /* signature mask flags */
269 /** \note: additions should be added to the rule analyzer as well */
270 #define SIG_MASK_REQUIRE_PAYLOAD BIT_U8(0)
271 #define SIG_MASK_REQUIRE_FLOW BIT_U8(1)
272 #define SIG_MASK_REQUIRE_FLAGS_INITDEINIT BIT_U8(2) /* SYN, FIN, RST */
273 #define SIG_MASK_REQUIRE_FLAGS_UNUSUAL BIT_U8(3) /* URG, ECN, CWR */
274 #define SIG_MASK_REQUIRE_NO_PAYLOAD BIT_U8(4)
275 #define SIG_MASK_REQUIRE_DCERPC BIT_U8(5) /* require either SMB+DCE or raw DCE */
276 // vacancy
277 #define SIG_MASK_REQUIRE_ENGINE_EVENT BIT_U8(7)
278 
279 /* for now a uint8_t is enough */
280 #define SignatureMask uint8_t
281 
282 #define DETECT_ENGINE_THREAD_CTX_STREAM_CONTENT_MATCH 0x0004
283 
284 #define FILE_SIG_NEED_FILE 0x01
285 #define FILE_SIG_NEED_FILENAME 0x02
286 #define FILE_SIG_NEED_MAGIC 0x04 /**< need the start of the file */
287 #define FILE_SIG_NEED_FILECONTENT 0x08
288 #define FILE_SIG_NEED_MD5 0x10
289 #define FILE_SIG_NEED_SHA1 0x20
290 #define FILE_SIG_NEED_SHA256 0x40
291 #define FILE_SIG_NEED_SIZE 0x80
292 
293 /* Detection Engine flags */
294 #define DE_QUIET 0x01 /**< DE is quiet (esp for unittests) */
295 
296 typedef struct IPOnlyCIDRItem_ {
297  /* address data for this item */
298  uint8_t family;
299  /* netmask in CIDR values (ex. /16 /18 /24..) */
300  uint8_t netmask;
301  /* If this host or net is negated for the signum */
302  uint8_t negated;
303 
304  uint32_t ip[4];
305  SigIntId signum; /**< our internal id */
306 
307  /* linked list, the header should be the biggest network */
309 
311 
312 /** \brief Used to start a pointer to SigMatch context
313  * Should never be dereferenced without casting to something else.
314  */
315 typedef struct SigMatchCtx_ {
316  int foo;
318 
319 /** \brief a single match condition for a signature */
320 typedef struct SigMatch_ {
321  uint8_t type; /**< match type */
322  uint16_t idx; /**< position in the signature */
323  SigMatchCtx *ctx; /**< plugin specific data */
324  struct SigMatch_ *next;
325  struct SigMatch_ *prev;
327 
328 /** \brief Data needed for Match() */
329 typedef struct SigMatchData_ {
330  uint8_t type; /**< match type */
331  uint8_t is_last; /**< Last element of the list */
332  SigMatchCtx *ctx; /**< plugin specific data */
334 
335 struct DetectEngineThreadCtx_;// DetectEngineThreadCtx;
336 
337 /* inspection buffer is a simple structure that is passed between prefilter,
338  * transformation functions and inspection functions.
339  * Initially setup with 'orig' ptr and len, transformations can then take
340  * then and fill the 'buf'. Multiple transformations can update the buffer,
341  * both growing and shrinking it.
342  * Prefilter and inspection will only deal with 'inspect'. */
343 
344 typedef struct InspectionBuffer {
345  const uint8_t *inspect; /**< active pointer, points either to ::buf or ::orig */
346  uint64_t inspect_offset;
347  uint32_t inspect_len; /**< size of active data. See to ::len or ::orig_len */
348  uint8_t flags; /**< DETECT_CI_FLAGS_* for use with DetectEngineContentInspection */
349 
350  uint32_t len; /**< how much is in use */
351  uint8_t *buf;
352  uint32_t size; /**< size of the memory allocation */
353 
354  uint32_t orig_len;
355  const uint8_t *orig;
357 
358 /* inspection buffers are kept per tx (in det_ctx), but some protocols
359  * need a bit more. A single TX might have multiple buffers, e.g. files in
360  * SMTP or DNS queries. Since all prefilters+transforms run before the
361  * individual rules need the same buffers, we need a place to store the
362  * transformed data. This array of arrays is that place. */
363 
366  uint32_t size; /**< size in number of elements */
367  uint32_t max:31; /**< max id in use in this run */
368  uint32_t init:1; /**< first time used this run. Used for clean logic */
370 
371 typedef struct TransformData_ {
373  void *options;
375 
376 typedef struct DetectEngineTransforms {
378  int cnt;
380 
381 /** callback for getting the buffer we need to prefilter/inspect */
382 typedef InspectionBuffer *(*InspectionBufferGetDataPtr)(
383  struct DetectEngineThreadCtx_ *det_ctx,
384  const DetectEngineTransforms *transforms,
385  Flow *f, const uint8_t flow_flags,
386  void *txv, const int list_id);
387 
389  struct DetectEngineCtx_ *de_ctx, struct DetectEngineThreadCtx_ *det_ctx,
390  const struct Signature_ *sig, const SigMatchData *smd,
391  Flow *f, uint8_t flags, void *alstate,
392  void *tx, uint64_t tx_id);
393 
395 
396 typedef int (*InspectEngineFuncPtr2)(
397  struct DetectEngineCtx_ *de_ctx, struct DetectEngineThreadCtx_ *det_ctx,
398  const struct DetectEngineAppInspectionEngine_ *engine,
399  const struct Signature_ *s,
400  Flow *f, uint8_t flags, void *alstate, void *txv, uint64_t tx_id);
401 
404  uint8_t dir;
405  uint8_t id; /**< per sig id used in state keeping */
406  uint16_t mpm:1;
407  uint16_t stream:1;
408  uint16_t sm_list:14;
409  int16_t progress;
410 
411  /* \retval 0 No match. Don't discontinue matching yet. We need more data.
412  * 1 Match.
413  * 2 Sig can't match.
414  * 3 Special value used by filestore sigs to indicate disabling
415  * filestore for the tx.
416  */
418 
419  struct {
422  /** pointer to the transforms in the 'DetectBuffer entry for this list */
424  } v2;
425 
427 
430 
431 typedef struct DetectBufferType_ {
432  const char *string;
433  const char *description;
434  int id;
436  bool mpm;
437  bool packet; /**< compat to packet matches */
439  void (*SetupCallback)(const struct DetectEngineCtx_ *, struct Signature_ *);
440  bool (*ValidateCallback)(const struct Signature_ *, const char **sigerror);
443 
445 
446 /**
447  * \param alert_flags[out] for setting PACKET_ALERT_FLAG_*
448  */
450  struct DetectEngineThreadCtx_ *,
451  const struct DetectEnginePktInspectionEngine *engine,
452  const struct Signature_ *s,
453  Packet *p, uint8_t *alert_flags);
454 
455 /** callback for getting the buffer we need to prefilter/inspect */
456 typedef InspectionBuffer *(*InspectionBufferGetPktDataPtr)(
457  struct DetectEngineThreadCtx_ *det_ctx,
458  const DetectEngineTransforms *transforms,
459  Packet *p, const int list_id);
460 
463  uint16_t mpm:1;
464  uint16_t sm_list:15;
465  struct {
468  /** pointer to the transforms in the 'DetectBuffer entry for this list */
470  } v1;
473 
474 #ifdef UNITTESTS
475 #define sm_lists init_data->smlists
476 #define sm_lists_tail init_data->smlists_tail
477 #endif
478 
479 typedef struct SignatureInitData_ {
480  /** Number of sigmatches. Used for assigning SigMatch::idx */
481  uint16_t sm_cnt;
482 
483  /** option was prefixed with '!'. Only set for sigmatches that
484  * have the SIGMATCH_HANDLE_NEGATION flag set. */
485  bool negated;
486 
487  /* track if we saw any negation in the addresses. If so, we
488  * skip it for ip-only */
491 
492  /* used to hold flags that are used during init */
493  uint32_t init_flags;
494  /* coccinelle: SignatureInitData:init_flags:SIG_FLAG_INIT_ */
495 
496  /* used at init to determine max dsize */
498 
499  /* the fast pattern added from this signature */
501  /* used to speed up init of prefilter */
503 
504  /* SigMatch list used for adding content and friends. E.g. file_data; */
505  int list;
506  bool list_set;
507 
509 
510  /** score to influence rule grouping. A higher value leads to a higher
511  * likelihood of a rulegroup with this sig ending up as a contained
512  * group. */
514 
515  /** address settings for this signature */
517 
519 
521  /* holds all sm lists */
522  struct SigMatch_ **smlists;
523  /* holds all sm lists' tails */
526 
527 /** \brief Signature container */
528 typedef struct Signature_ {
529  uint32_t flags;
530  /* coccinelle: Signature:flags:SIG_FLAG_ */
531 
533 
534  uint16_t dsize_low;
535  uint16_t dsize_high;
536 
538  SigIntId num; /**< signature number, internal id */
539 
540  /** inline -- action */
541  uint8_t action;
542  uint8_t file_flags;
543 
544  /** addresses, ports and proto this sig matches on */
546 
547  /** classification id **/
548  uint16_t class_id;
549 
550  /** ipv4 match arrays */
557  /** ipv6 match arrays */
560 
561  uint32_t id; /**< sid, set by the 'sid' rule keyword */
562  uint32_t gid; /**< generator id */
563  uint32_t rev;
564  int prio;
565 
566  /** port settings for this signature */
568 
569 #ifdef PROFILING
570  uint16_t profiling_id;
571 #endif
572 
573  /** netblocks and hosts specified at the sid, in CIDR format */
575 
578 
579  /* Matching structures for the built-ins. The others are in
580  * their inspect engines. */
582 
583  /* memory is still owned by the sm_lists/sm_arrays entry */
585 
586  char *msg;
587 
588  /** classification message */
589  char *class_msg;
590  /** Reference */
592  /** Metadata */
594 
595  char *sig_str;
596 
598 
599  /** ptr to the next sig in the list */
600  struct Signature_ *next;
602 
606  /* must be last */
608 };
609 
610 /** \brief one time registration of keywords at start up */
612  const char *name;
613  char pname[32]; /**< name used in profiling */
614  int direction; /**< SIG_FLAG_TOSERVER or SIG_FLAG_TOCLIENT */
615  int sm_list;
616  int priority;
617  int id; /**< index into this array and result arrays */
620 
622  struct SigGroupHead_ *sgh, MpmCtx *mpm_ctx,
623  const struct DetectBufferMpmRegistery_ *mpm_reg, int list_id);
625 
626  union {
627  /* app-layer matching: use if type == DETECT_BUFFER_MPM_TYPE_APP */
628  struct {
633 
634  /* pkt matching: use if type == DETECT_BUFFER_MPM_TYPE_PKT */
635  struct {
637  struct SigGroupHead_ *sgh, MpmCtx *mpm_ctx,
638  const struct DetectBufferMpmRegistery_ *mpm_reg, int list_id);
641  };
642 
645 
646 typedef struct DetectReplaceList_ {
648  uint8_t *found;
651 
652 /** only execute flowvar storage if rule matched */
653 #define DETECT_VAR_TYPE_FLOW_POSTMATCH 1
654 #define DETECT_VAR_TYPE_PKT_POSTMATCH 2
655 
656 /** list for flowvar store candidates, to be stored from
657  * post-match function */
658 typedef struct DetectVarList_ {
659  uint32_t idx; /**< flowvar name idx */
660  uint16_t len; /**< data len */
661  uint16_t key_len;
662  int type; /**< type of store candidate POSTMATCH or ALWAYS */
663  uint8_t *key;
664  uint8_t *buffer; /**< alloc'd buffer, may be freed by
665  post-match, post-non-match */
668 
670  uint8_t *sig_match_array; /* bit array of sig nums */
671  uint32_t sig_match_size; /* size in bytes of the array */
673 
674 /** \brief IP only rules matching ctx. */
675 typedef struct DetectEngineIPOnlyCtx_ {
676  /* lookup hashes */
679 
680  /* Lookup trees */
683 
684  /* Used to build the radix trees */
686 
687  /* counters */
692 
693  uint32_t max_idx;
694 
695  uint8_t *sig_init_array; /* bit array of sig nums */
696  uint32_t sig_init_size; /* size in bytes of the array */
697 
698  /* number of sigs in this head */
699  uint32_t sig_cnt;
700  uint32_t *match_array;
702 
703 typedef struct DetectEngineLookupFlow_ {
706  struct SigGroupHead_ *sgh[256];
708 
709 #include "detect-threshold.h"
710 
711 /** \brief threshold ctx */
712 typedef struct ThresholdCtx_ {
713  SCMutex threshold_table_lock; /**< Mutex for hash table */
714 
715  /** to support rate_filter "by_rule" option */
717  uint32_t th_size;
719 
720 typedef struct SigString_ {
721  char *filename;
722  char *sig_str;
723  char *sig_error;
724  int line;
727 
728 /** \brief Signature loader statistics */
729 typedef struct SigFileLoaderStat_ {
730  TAILQ_HEAD(, SigString_) failed_sigs;
736 
738  void *(*InitFunc)(void *);
739  void (*FreeFunc)(void *);
740  void *data;
742  int id;
743  const char *name; /* keyword name, for error printing */
745 
747 {
748  DETECT_PREFILTER_MPM = 0, /**< use only mpm / fast_pattern */
749  DETECT_PREFILTER_AUTO = 1, /**< use mpm + keyword prefilters */
750 };
751 
753 {
755  DETECT_ENGINE_TYPE_DD_STUB = 1, /* delayed detect stub: can be reloaded */
756  DETECT_ENGINE_TYPE_MT_STUB = 2, /* multi-tenant stub: cannot be reloaded */
758 };
759 
760 /* Flow states:
761  * toserver
762  * toclient
763  */
764 #define FLOW_STATES 2
765 
766 /** \brief main detection engine ctx */
767 typedef struct DetectEngineCtx_ {
768  uint8_t flags;
770 
772 
774  uint32_t sig_cnt;
775 
776  /* version of the srep data */
777  uint32_t srep_version;
778 
779  /* reputation for netblocks */
781 
783  uint32_t sig_array_size; /* size in bytes */
784  uint32_t sig_array_len; /* size in array members */
785 
786  uint32_t signum;
787 
788  /** Maximum value of all our sgh's non_mpm_store_cnt setting,
789  * used to alloc det_ctx::non_mpm_id_array */
791 
792  /* used by the signature ordering module */
794 
795  /* hash table used for holding the classification config info */
797  /* hash table used for holding the reference config info */
799 
800  /* main sigs */
802 
803  uint32_t gh_unique, gh_reuse;
804 
805  /* init phase vars */
807 
809 
810  /* hash table used to cull out duplicate sigs */
812 
815 
816  uint16_t mpm_matcher; /**< mpm matcher this ctx uses */
817  uint16_t spm_matcher; /**< spm matcher this ctx uses */
818 
819  /* spm thread context prototype, built as spm matchers are constructed and
820  * later used to construct thread context for each thread. */
822 
823  /* Config options */
824 
827 
828  /* specify the configuration for mpm context factory */
830 
831  /* max flowbit id that is used */
832  uint32_t max_fb_id;
833 
834  uint32_t max_fp_id;
835 
837 
838  /* maximum recursion depth for content inspection */
840 
841  /* conf parameter that limits the length of the http request body inspected */
843  /* conf parameter that limits the length of the http response body inspected */
845 
846  /* array containing all sgh's in use so we can loop
847  * through it in Stage4. */
849  uint32_t sgh_array_cnt;
850  uint32_t sgh_array_size;
851 
856 
857  /* the max local id used amongst all sigs */
859 
860  /** version of the detect engine. The version is incremented on reloads */
861  uint32_t version;
862 
863  /** sgh for signatures that match against invalid packets. In those cases
864  * we can't lookup by proto, address, port as we don't have these */
866 
867  /* Maximum size of the buffer for decoded base64 data. */
869 
870  /** Store rule file and line so that parsers can use them in errors. */
871  char *rule_file;
875  const char *sigerror;
876 
877  /** list of keywords that need thread local ctxs */
880 
881  struct {
882  uint32_t content_limit;
887 
888 #ifdef PROFILING
895 #endif
896  uint32_t prefilter_maxid;
897 
898  char config_prefix[64];
899 
900  enum DetectEngineType type;
901 
902  /** how many de_ctx' are referencing this */
903  uint32_t ref_cnt;
904  /** list in master: either active or freelist */
906 
907  /** id of loader thread 'owning' this de_ctx */
909 
910  /** are we using just mpm or also other prefilters */
912 
914 
917 
918  /** table for storing the string representation with the parsers result */
920 
921  /** table to store metadata keys and values */
923 
926 
927  /* hash table with rule-time buffer registration. Start time registration
928  * is in detect-engine.c::g_buffer_type_hash */
931 
932  /* list with app inspect engines. Both the start-time registered ones and
933  * the rule-time registered ones. */
940 
941  uint32_t prefilter_id;
943 
944  /** time of last ruleset reload */
945  struct timeval last_reload;
946 
947  /** signatures stats */
949 
950  /** per keyword flag indicating if a prefilter has been
951  * set for it. If true, the setup function will have to
952  * run. */
955 
957 
958 /* Engine groups profiles (low, medium, high, custom) */
959 enum {
966 };
967 
968 /* Siggroup mpm context profile */
969 enum {
973 #define ENGINE_SGH_MPM_FACTORY_CONTEXT_START_ID_RANGE (ENGINE_SGH_MPM_FACTORY_CONTEXT_AUTO + 1)
974 };
975 
976 typedef struct HttpReassembledBody_ {
977  const uint8_t *buffer;
979  uint32_t buffer_size; /**< size of the buffer itself */
980  uint32_t buffer_len; /**< data len in the buffer */
982  uint64_t offset; /**< data offset */
984 
985 #define DETECT_FILESTORE_MAX 15
986 
990  uint8_t alproto;
992 
993 /** array of TX inspect rule candidates */
994 typedef struct RuleMatchCandidateTx {
995  SigIntId id; /**< internal signature id */
996  uint32_t *flags; /**< inspect flags ptr */
997  union {
998  struct {
1000  uint8_t stream_result;
1001  };
1002  uint32_t stream_reset;
1003  };
1004 
1005  const Signature *s; /**< ptr to sig */
1007 
1008 /**
1009  * Detection engine thread data.
1010  */
1011 typedef struct DetectEngineThreadCtx_ {
1012  /** \note multi-tenant hash lookup code from Detect() *depends*
1013  * on this being the first member */
1014  uint32_t tenant_id;
1015 
1016  /** ticker that is incremented once per packet. */
1017  uint64_t ticker;
1018 
1019  /* the thread to which this detection engine thread belongs */
1021 
1022  /** Array of non-prefiltered sigs that need to be evaluated. Updated
1023  * per packet based on the rule group and traffic properties. */
1025  uint32_t non_pf_id_cnt; // size is cnt * sizeof(uint32_t)
1026 
1030 
1033 
1034  uint32_t (*TenantGetId)(const void *, const Packet *p);
1035 
1036  /* detection engine variables */
1037 
1039 
1040  /** offset into the payload of the last match by:
1041  * content, pcre, etc */
1042  uint32_t buffer_offset;
1043  /* used by pcre match function alone */
1045 
1046  /* counter for the filestore array below -- up here for cache reasons. */
1047  uint16_t filestore_cnt;
1048 
1049  /** id for alert counter */
1050  uint16_t counter_alerts;
1051 #ifdef PROFILING
1056 #endif
1057 
1058  int inspect_list; /**< list we're currently inspecting, DETECT_SM_LIST_* */
1059 
1060  struct {
1062  uint32_t buffers_size; /**< in number of elements */
1063  uint32_t to_clear_idx;
1064  uint32_t *to_clear_queue;
1066 
1067  struct {
1068  /** inspection buffers for more complex case. As we can inspect multiple
1069  * buffers in parallel, we need this extra wrapper struct */
1071  uint32_t buffers_size; /**< in number of elements */
1072  uint32_t to_clear_idx;
1073  uint32_t *to_clear_queue;
1075 
1076  /* used to discontinue any more matching */
1078  uint16_t flags;
1079 
1080  /* bool: if tx_id is set, this is 1, otherwise 0 */
1081  uint16_t tx_id_set;
1082  /** ID of the transaction currently being inspected. */
1083  uint64_t tx_id;
1085 
1086  SC_ATOMIC_DECLARE(int, so_far_used_by_detect);
1087 
1088  /* holds the current recursion depth on content inspection */
1090 
1091  /** array of signature pointers we're going to inspect in the detection
1092  * loop. */
1094  /** size of the array in items (mem size if * sizeof(Signature *)
1095  * Only used during initialization. */
1097  /** size in use */
1099 
1102 
1105 
1106  /** pointer to the current mpm ctx that is stored
1107  * in a rule group head -- can be either a content
1108  * or uricontent ctx. */
1109  MpmThreadCtx mtc; /**< thread ctx for the mpm */
1110  MpmThreadCtx mtcu; /**< thread ctx for uricontent mpm */
1111  MpmThreadCtx mtcs; /**< thread ctx for stream mpm */
1113 
1114  /** SPM thread context used for scanning. This has been cloned from the
1115  * prototype held by DetectEngineCtx. */
1117 
1118  /** ip only rules ctx */
1120 
1121  /* byte_* values */
1122  uint64_t *byte_values;
1123 
1124  /* string to replace */
1126  /* vars to store in post match function */
1128 
1129  /* Array in which the filestore keyword stores file id and tx id. If the
1130  * full signature matches, these are processed by a post-match filestore
1131  * function to finalize the store. */
1132  struct {
1133  uint32_t file_id;
1134  uint64_t tx_id;
1136 
1138  /** store for keyword contexts that need a per thread storage. Per de_ctx. */
1141  /** store for keyword contexts that need a per thread storage. Global. */
1144 
1145  uint8_t *base64_decoded;
1148 
1150  uint16_t events;
1151 
1152 #ifdef DEBUG
1153  uint64_t pkt_stream_add_cnt;
1154  uint64_t payload_mpm_cnt;
1155  uint64_t payload_mpm_size;
1156  uint64_t stream_mpm_cnt;
1157  uint64_t stream_mpm_size;
1158  uint64_t payload_persig_cnt;
1159  uint64_t payload_persig_size;
1160  uint64_t stream_persig_cnt;
1161  uint64_t stream_persig_size;
1162 #endif
1163 #ifdef PROFILING
1168  int keyword_perf_list; /**< list we're currently inspecting, DETECT_SM_LIST_* */
1170 
1173 #endif
1175 
1176 /** \brief element in sigmatch type table.
1177  */
1178 typedef struct SigTableElmt_ {
1179  /** Packet match function pointer */
1180  int (*Match)(DetectEngineThreadCtx *, Packet *, const Signature *, const SigMatchCtx *);
1181 
1182  /** AppLayer TX match function pointer */
1184  uint8_t flags, void *alstate, void *txv,
1185  const Signature *, const SigMatchCtx *);
1186 
1187  /** File match function pointer */
1189  Flow *, /**< *LOCKED* flow */
1190  uint8_t flags, File *, const Signature *, const SigMatchCtx *);
1191 
1192  /** InspectionBuffer transformation callback */
1193  void (*Transform)(InspectionBuffer *, void *context);
1194  bool (*TransformValidate)(const uint8_t *content, uint16_t content_len, void *context);
1195 
1196  /** keyword setup function pointer */
1197  int (*Setup)(DetectEngineCtx *, Signature *, const char *);
1198 
1199  bool (*SupportsPrefilter)(const Signature *s);
1201 
1202  void (*Free)(DetectEngineCtx *, void *);
1203 #ifdef UNITTESTS
1204  void (*RegisterTests)(void);
1205 #endif
1206  uint16_t flags;
1207  /* coccinelle: SigTableElmt:flags:SIGMATCH_ */
1208 
1209  /** better keyword to replace the current one */
1210  uint16_t alternative;
1211 
1212  const char *name; /**< keyword name alias */
1213  const char *alias; /**< name alias */
1214  const char *desc;
1215  const char *url;
1216 
1218 
1219 /* event code */
1220 enum {
1221 #ifdef UNITTESTS
1223 #endif
1238 };
1239 
1240 #define SIG_GROUP_HEAD_HAVERAWSTREAM BIT_U32(0)
1241 #ifdef HAVE_MAGIC
1242 #define SIG_GROUP_HEAD_HAVEFILEMAGIC BIT_U32(20)
1243 #endif
1244 #define SIG_GROUP_HEAD_HAVEFILEMD5 BIT_U32(21)
1245 #define SIG_GROUP_HEAD_HAVEFILESIZE BIT_U32(22)
1246 #define SIG_GROUP_HEAD_HAVEFILESHA1 BIT_U32(23)
1247 #define SIG_GROUP_HEAD_HAVEFILESHA256 BIT_U32(24)
1258 };
1259 
1260 typedef struct MpmStore_ {
1261  uint8_t *sid_array;
1262  uint32_t sid_array_size;
1263 
1266  int sm_list;
1268 
1270 
1272 
1273 typedef struct PrefilterEngineList_ {
1274  uint16_t id;
1275 
1276  /** App Proto this engine applies to: only used with Tx Engines */
1278  /** Minimal Tx progress we need before running the engine. Only used
1279  * with Tx Engine */
1281 
1282  /** Context for matching. Might be MpmCtx for MPM engines, other ctx'
1283  * for other engines. */
1284  void *pectx;
1285 
1286  void (*Prefilter)(DetectEngineThreadCtx *det_ctx, Packet *p, const void *pectx);
1287  void (*PrefilterTx)(DetectEngineThreadCtx *det_ctx, const void *pectx,
1288  Packet *p, Flow *f, void *tx,
1289  const uint64_t idx, const uint8_t flags);
1290 
1292 
1293  /** Free function for pectx data. If NULL the memory is not freed. */
1294  void (*Free)(void *pectx);
1295 
1296  const char *name;
1297  /* global id for this prefilter */
1298  uint32_t gid;
1300 
1301 typedef struct PrefilterEngine_ {
1302  uint16_t local_id;
1303 
1304  /** App Proto this engine applies to: only used with Tx Engines */
1306  /** Minimal Tx progress we need before running the engine. Only used
1307  * with Tx Engine */
1309 
1310  /** Context for matching. Might be MpmCtx for MPM engines, other ctx'
1311  * for other engines. */
1312  void *pectx;
1313 
1314  union {
1315  void (*Prefilter)(DetectEngineThreadCtx *det_ctx, Packet *p, const void *pectx);
1316  void (*PrefilterTx)(DetectEngineThreadCtx *det_ctx, const void *pectx,
1317  Packet *p, Flow *f, void *tx,
1318  const uint64_t idx, const uint8_t flags);
1319  } cb;
1320 
1321  /* global id for this prefilter */
1322  uint32_t gid;
1323  int is_last;
1325 
1326 typedef struct SigGroupHeadInitData_ {
1328 
1329  uint8_t *sig_array; /**< bit array of sig nums (internal id's) */
1330  uint32_t sig_size; /**< size in bytes */
1331 
1332  uint8_t protos[256]; /**< proto(s) this sgh is for */
1333  uint32_t direction; /**< set to SIG_FLAG_TOSERVER, SIG_FLAG_TOCLIENT or both */
1334  int whitelist; /**< try to make this group a unique one */
1335 
1338 
1342 
1343  /* port ptr */
1346 
1347 /** \brief Container for matching data for a signature group */
1348 typedef struct SigGroupHead_ {
1349  uint32_t flags;
1350  /* coccinelle: SigGroupHead:flags:SIG_GROUP_HEAD_ */
1351 
1352  /* number of sigs in this head */
1354 
1355  /* non prefilter list excluding SYN rules */
1358  SignatureNonPrefilterStore *non_pf_other_store_array; // size is non_mpm_store_cnt * sizeof(SignatureNonPrefilterStore)
1359  /* non mpm list including SYN rules */
1360  SignatureNonPrefilterStore *non_pf_syn_store_array; // size is non_mpm_syn_store_cnt * sizeof(SignatureNonPrefilterStore)
1361 
1362  /** the number of signatures in this sgh that have the filestore keyword
1363  * set. */
1364  uint16_t filestore_cnt;
1365 
1366  uint32_t id; /**< unique id used to index sgh_array for stats */
1367 
1371 
1372  /** Array with sig ptrs... size is sig_cnt * sizeof(Signature *) */
1374 
1375  /* ptr to our init data we only use at... init :) */
1377 
1379 
1380 /** sigmatch has no options, so the parser shouldn't expect any */
1381 #define SIGMATCH_NOOPT BIT_U16(0)
1382 /** sigmatch is compatible with a ip only rule */
1383 #define SIGMATCH_IPONLY_COMPAT BIT_U16(1)
1384 /** sigmatch is compatible with a decode event only rule */
1385 #define SIGMATCH_DEONLY_COMPAT BIT_U16(2)
1386 /**< Flag to indicate that the signature is not built-in */
1387 #define SIGMATCH_NOT_BUILT BIT_U16(3)
1388 /** sigmatch may have options, so the parser should be ready to
1389  * deal with both cases */
1390 #define SIGMATCH_OPTIONAL_OPT BIT_U16(4)
1391 /** input may be wrapped in double quotes. They will be stripped before
1392  * input data is passed to keyword parser */
1393 #define SIGMATCH_QUOTES_OPTIONAL BIT_U16(5)
1394 /** input MUST be wrapped in double quotes. They will be stripped before
1395  * input data is passed to keyword parser. Missing double quotes lead to
1396  * error and signature invalidation. */
1397 #define SIGMATCH_QUOTES_MANDATORY BIT_U16(6)
1398 /** negation parsing is handled by the rule parser. Signature::init_data::negated
1399  * will be set to true or false prior to calling the keyword parser. Exclamation
1400  * mark is stripped from the input to the keyword parser. */
1401 #define SIGMATCH_HANDLE_NEGATION BIT_U16(7)
1402 /** keyword is a content modifier */
1403 #define SIGMATCH_INFO_CONTENT_MODIFIER BIT_U16(8)
1404 /** keyword is a sticky buffer */
1405 #define SIGMATCH_INFO_STICKY_BUFFER BIT_U16(9)
1406 /** keyword is deprecated: used to suggest an alternative */
1407 #define SIGMATCH_INFO_DEPRECATED BIT_U16(10)
1408 /** strict parsing is enabled */
1409 #define SIGMATCH_STRICT_PARSING BIT_U16(11)
1412 {
1413  TENANT_SELECTOR_UNKNOWN = 0, /**< not set */
1414  TENANT_SELECTOR_DIRECT, /**< method provides direct tenant id */
1415  TENANT_SELECTOR_VLAN, /**< map vlan to tenant id */
1416  TENANT_SELECTOR_LIVEDEV, /**< map livedev to tenant id */
1417 };
1418 
1420  uint32_t tenant_id;
1421 
1422  /* traffic id that maps to the tenant id */
1423  uint32_t traffic_id;
1424 
1427 
1428 typedef struct DetectEngineMasterCtx_ {
1430 
1431  /** enable multi tenant mode */
1433 
1434  /** version, incremented after each 'apply to threads' */
1435  uint32_t version;
1436 
1437  /** list of active detection engines. This list is used to generate the
1438  * threads det_ctx's */
1440 
1441  /** free list, containing detection engines that will be removed but may
1442  * still be referenced by det_ctx's. Freed as soon as all references are
1443  * gone. */
1445 
1447 
1448  /** list of tenant mappings. Updated under lock. Used to generate lookup
1449  * structures. */
1451 
1452  /** list of keywords that need thread local ctxs,
1453  * only updated by keyword registration at start up. Not
1454  * covered by the lock. */
1458 
1459 /* Table with all SigMatch registrations */
1461 
1462 /** Remember to add the options in SignatureIsIPOnly() at detect.c otherwise it wont be part of a signature group */
1463 
1464 /* detection api */
1465 TmEcode Detect(ThreadVars *tv, Packet *p, void *data);
1466 
1467 SigMatch *SigMatchAlloc(void);
1468 Signature *SigFindSignatureBySidGid(DetectEngineCtx *, uint32_t, uint32_t);
1470  Packet *, SignatureMask,
1471  uint16_t);
1473 
1474 void SigRegisterTests(void);
1476 
1478 
1480 char *DetectLoadCompleteSigPath(const DetectEngineCtx *, const char *sig_file);
1481 int SigLoadSignatures (DetectEngineCtx *, char *, int);
1483  DetectEngineThreadCtx *det_ctx, Packet *p);
1484 
1487 
1489 
1490 
1491 int DetectUnregisterThreadCtxFuncs(DetectEngineCtx *, DetectEngineThreadCtx *,void *data, const char *name);
1492 int DetectRegisterThreadCtxFuncs(DetectEngineCtx *, const char *name, void *(*InitFunc)(void *), void *data, void (*FreeFunc)(void *), int);
1494 
1495 void DetectSignatureApplyActions(Packet *p, const Signature *s, const uint8_t);
1496 
1497 void RuleMatchCandidateTxArrayInit(DetectEngineThreadCtx *det_ctx, uint32_t size);
1499 
1501 
1504 
1505 /* events */
1506 void DetectEngineSetEvent(DetectEngineThreadCtx *det_ctx, uint8_t e);
1508 int DetectEngineGetEventInfo(const char *event_name, int *event_id,
1509  AppLayerEventType *event_type);
1510 
1511 #include "detect-engine-build.h"
1512 #include "detect-engine-register.h"
1513 
1514 #endif /* __DETECT_H__ */
1515 
DET_CTX_EVENT_TEST
@ DET_CTX_EVENT_TEST
Definition: detect.h:1222
DetectEngineThreadCtx_::byte_values
uint64_t * byte_values
Definition: detect.h:1122
DetectBufferMpmRegistery_::sm_list
int sm_list
Definition: detect.h:615
DetectEngineCtx_::sgh_hash_table
HashListTable * sgh_hash_table
Definition: detect.h:806
DetectEngineCtx_::pkt_mpms_list_cnt
uint32_t pkt_mpms_list_cnt
Definition: detect.h:939
SigFileLoaderStat_::bad_files
int bad_files
Definition: detect.h:731
SigGroupHead_::non_pf_syn_store_cnt
uint32_t non_pf_syn_store_cnt
Definition: detect.h:1357
DetectEngineThreadCtx_::non_pf_store_ptr
SignatureNonPrefilterStore * non_pf_store_ptr
Definition: detect.h:1103
DetectEngineTenantMapping_
Definition: detect.h:1419
ADDRESS_EB
@ ADDRESS_EB
Definition: detect.h:128
DetectAddress_::ip
Address ip
Definition: detect.h:141
SigMatchSignaturesGetSgh
const SigGroupHead * SigMatchSignaturesGetSgh(const DetectEngineCtx *de_ctx, const Packet *p)
Get the SigGroupHead for a packet.
Definition: detect.c:177
DetectEngineIPOnlyCtx_::a_src_uniq16
uint32_t a_src_uniq16
Definition: detect.h:688
DetectEngineThreadCtx_::keyword_perf_data_per_list
struct SCProfileKeywordData_ ** keyword_perf_data_per_list
Definition: detect.h:1167
DetectEngineCtx_::tenant_id
int tenant_id
Definition: detect.h:771
SigGroupHead_::tx_engines
PrefilterEngine * tx_engines
Definition: detect.h:1370
SigMatchAlloc
SigMatch * SigMatchAlloc(void)
Definition: detect-parse.c:235
DetectEngineAppInspectionEngine_
Definition: detect.h:402
SigTableElmt_::url
const char * url
Definition: detect.h:1215
DetectBufferType_::supports_transforms
bool supports_transforms
Definition: detect.h:438
MPMB_UDP_TS
@ MPMB_UDP_TS
Definition: detect.h:1254
SigMatch_::prev
struct SigMatch_ * prev
Definition: detect.h:325
DetectBufferMpmRegistery_::direction
int direction
Definition: detect.h:614
SCProfileKeywordData_
Definition: util-profiling-keywords.c:49
DetectBufferType_::mpm
bool mpm
Definition: detect.h:436
RuleMatchCandidateTx::stream_stored
bool stream_stored
Definition: detect.h:999
DetectEngineThreadCtx_::buffer_offset
uint32_t buffer_offset
Definition: detect.h:1042
DETECT_SM_LIST_PMATCH
@ DETECT_SM_LIST_PMATCH
Definition: detect.h:90
DetectEngineThreadCtx_::to_clear_idx
uint32_t to_clear_idx
Definition: detect.h:1063
SigMatchFree
void SigMatchFree(DetectEngineCtx *, SigMatch *sm)
free a SigMatch
Definition: detect-parse.c:250
DetectEngineCtx_::class_conf_ht
HashTable * class_conf_ht
Definition: detect.h:796
PrefilterEngine_::Prefilter
void(* Prefilter)(DetectEngineThreadCtx *det_ctx, Packet *p, const void *pectx)
Definition: detect.h:1315
detect-engine-proto.h
DetectEngineIPOnlyCtx_::a_dst_uniq16
uint32_t a_dst_uniq16
Definition: detect.h:689
DetectEngineThreadCtx_::keyword_perf_data
struct SCProfileKeywordData_ * keyword_perf_data
Definition: detect.h:1166
DetectEngineThreadCtx_::match_array_cnt
SigIntId match_array_cnt
Definition: detect.h:1098
DetectVarList_::idx
uint32_t idx
Definition: detect.h:659
MpmStore_::sid_array_size
uint32_t sid_array_size
Definition: detect.h:1262
FILE_DECODER_EVENT_LZMA_UNKNOWN_ERROR
@ FILE_DECODER_EVENT_LZMA_UNKNOWN_ERROR
Definition: detect.h:1237
PORT_EB
@ PORT_EB
Definition: detect.h:181
SigTableElmt_::desc
const char * desc
Definition: detect.h:1214
SignatureInitData_::list_set
bool list_set
Definition: detect.h:506
Signature_::addr_src_match6
DetectMatchAddressIPv6 * addr_src_match6
Definition: detect.h:559
DetectEngineThreadCtx_::SC_ATOMIC_DECLARE
SC_ATOMIC_DECLARE(int, so_far_used_by_detect)
Signature_::sig_str
char * sig_str
Definition: detect.h:595
MpmStore_::sid_array
uint8_t * sid_array
Definition: detect.h:1261
DetectEngineThreadKeywordCtxItem
struct DetectEngineThreadKeywordCtxItem_ DetectEngineThreadKeywordCtxItem
DetectEngineCtx_::sgh_mpm_context_proto_tcp_packet
int32_t sgh_mpm_context_proto_tcp_packet
Definition: detect.h:852
DetectVarList_::buffer
uint8_t * buffer
Definition: detect.h:664
SigTableElmt_::Free
void(* Free)(DetectEngineCtx *, void *)
Definition: detect.h:1202
IPOnlyCIDRItem
struct IPOnlyCIDRItem_ IPOnlyCIDRItem
util-hashlist.h
DetectEngineCtx_::decoder_event_sgh
struct SigGroupHead_ * decoder_event_sgh
Definition: detect.h:865
DetectEngineCtx_::flow_gh
DetectEngineLookupFlow flow_gh[FLOW_STATES]
Definition: detect.h:801
DetectEngineThreadCtx_::counter_match_list
uint16_t counter_match_list
Definition: detect.h:1055
SigString
struct SigString_ SigString
DetectEnginePktInspectionEngine
Definition: detect.h:461
DetectEngineMasterCtx_::tenant_mapping_list
DetectEngineTenantMapping * tenant_mapping_list
Definition: detect.h:1450
Signature_::filestore_ctx
const struct DetectFilestoreData_ * filestore_ctx
Definition: detect.h:584
DetectEngineAppInspectionEngine_::next
struct DetectEngineAppInspectionEngine_ * next
Definition: detect.h:428
DetectEngineGetEventInfo
int DetectEngineGetEventInfo(const char *event_name, int *event_id, AppLayerEventType *event_type)
Definition: detect-engine.c:4277
SignatureIsIPOnly
int SignatureIsIPOnly(DetectEngineCtx *de_ctx, const Signature *s)
Test is a initialized signature is IP only.
Definition: detect-engine-build.c:187
SigTableElmt_::name
const char * name
Definition: detect.h:1212
DetectEngineMasterCtx_::list
DetectEngineCtx * list
Definition: detect.h:1439
MpmThreadCtx_
Definition: util-mpm.h:46
Signature_::num
SigIntId num
Definition: detect.h:538
DetectEngineCtx
struct DetectEngineCtx_ DetectEngineCtx
main detection engine ctx
IPOnlyCIDRItem_::netmask
uint8_t netmask
Definition: detect.h:300
DetectEngineCtx_::type
enum DetectEngineType type
Definition: detect.h:900
SigGroupHead_
Container for matching data for a signature group.
Definition: detect.h:1348
detect-mark.h
DetectEngineThreadCtx_::sgh_perf_data
struct SCProfileSghData_ * sgh_perf_data
Definition: detect.h:1169
ThresholdCtx_::threshold_table_lock
SCMutex threshold_table_lock
Definition: detect.h:713
DetectEngineCtx_::rule_file
char * rule_file
Definition: detect.h:871
DetectEnginePktInspectionEngine::mpm
uint16_t mpm
Definition: detect.h:463
DetectEngineThreadCtx_::tx_id_set
uint16_t tx_id_set
Definition: detect.h:1081
DetectEngineTransforms
Definition: detect.h:376
PrefilterEngineList_::id
uint16_t id
Definition: detect.h:1274
SigGroupHeadInitData_::sig_array
uint8_t * sig_array
Definition: detect.h:1329
SCProfileSghDetectCtx_
Definition: util-profiling-rulegroups.c:59
DetectAddress_
address structure for use in the detection engine.
Definition: detect.h:139
DetectEngineCtx_::max_uniq_toclient_groups
uint16_t max_uniq_toclient_groups
Definition: detect.h:825
DetectEngineThreadCtx_::buffers
InspectionBufferMultipleForList * buffers
Definition: detect.h:1070
SignatureInitData_::prefilter_sm
SigMatch * prefilter_sm
Definition: detect.h:502
PrefilterRuleStore_
structure for storing potential rule matches
Definition: util-prefilter.h:32
SignatureInitData_::src_contains_negation
bool src_contains_negation
Definition: detect.h:489
DetectEngineCtx_::ref_cnt
uint32_t ref_cnt
Definition: detect.h:903
SignatureInitData_::whitelist
int whitelist
Definition: detect.h:513
DetectEngineCtx_::sigerror_silent
bool sigerror_silent
Definition: detect.h:873
DetectEngineAppInspectionEngine_::Callback
InspectEngineFuncPtr Callback
Definition: detect.h:417
Signature_::alproto
AppProto alproto
Definition: detect.h:532
SignatureNonPrefilterStore_::id
SigIntId id
Definition: detect.h:988
SigString_
Definition: detect.h:720
DetectAddressHead_
Definition: detect.h:154
FILE_DECODER_EVENT_LZMA_BUF_ERROR
@ FILE_DECODER_EVENT_LZMA_BUF_ERROR
Definition: detect.h:1236
MPMB_OTHERIP
@ MPMB_OTHERIP
Definition: detect.h:1256
DetectEngineCtx_::max_fp_id
uint32_t max_fp_id
Definition: detect.h:834
DetectEngineCtx_::non_pf_store_cnt_max
uint32_t non_pf_store_cnt_max
Definition: detect.h:790
next
struct HtpBodyChunk_ * next
Definition: app-layer-htp.h:0
DetectPort_::port
uint16_t port
Definition: detect.h:192
DetectEngineIPOnlyCtx_::ip_src
IPOnlyCIDRItem * ip_src
Definition: detect.h:685
FILE_DECODER_EVENT_Z_BUF_ERROR
@ FILE_DECODER_EVENT_Z_BUF_ERROR
Definition: detect.h:1229
SigGroupHeadInitData_::port
struct DetectPort_ * port
Definition: detect.h:1344
AppProto
uint16_t AppProto
Definition: app-layer-protos.h:73
DETECT_SM_LIST_DYNAMIC_START
@ DETECT_SM_LIST_DYNAMIC_START
Definition: detect.h:109
DetectEngineThreadCtx_::prefilter_perf_size
int prefilter_perf_size
Definition: detect.h:1172
IPOnlyCIDRItem_
Definition: detect.h:296
DetectBufferMpmRegistery_::transforms
DetectEngineTransforms transforms
Definition: detect.h:624
SigMatchSignaturesBuildMatchArray
void SigMatchSignaturesBuildMatchArray(DetectEngineThreadCtx *, Packet *, SignatureMask, uint16_t)
DetectEngineThreadCtx_::tx_id
uint64_t tx_id
Definition: detect.h:1083
DetectEngineThreadCtx_::decoder_events
AppLayerDecoderEvents * decoder_events
Definition: detect.h:1149
SigMatchData_::ctx
SigMatchCtx * ctx
Definition: detect.h:332
InspectionBuffer
Definition: detect.h:344
SigLoadSignatures
int SigLoadSignatures(DetectEngineCtx *, char *, int)
Load signatures.
Definition: detect-engine-loader.c:276
DetectVarList_::key_len
uint16_t key_len
Definition: detect.h:661
MpmStore_::sm_list
int sm_list
Definition: detect.h:1266
DetectEngineAppInspectionEngine_::GetData
InspectionBufferGetDataPtr GetData
Definition: detect.h:420
DetectEngineThreadKeywordCtxItem_
Definition: detect.h:737
DetectEngineCtx_::prefilter_maxid
uint32_t prefilter_maxid
Definition: detect.h:896
DETECT_TBLSIZE
@ DETECT_TBLSIZE
Definition: detect-engine-register.h:303
Flow_
Flow data structure.
Definition: flow.h:347
SigTableElmt_::FileMatch
int(* FileMatch)(DetectEngineThreadCtx *, Flow *, uint8_t flags, File *, const Signature *, const SigMatchCtx *)
Definition: detect.h:1188
DetectVarList_
Definition: detect.h:658
DETECT_SM_LIST_THRESHOLD
@ DETECT_SM_LIST_THRESHOLD
Definition: detect.h:104
DetectReplaceList_::found
uint8_t * found
Definition: detect.h:648
FILE_DECODER_EVENT_LZMA_DECODER_ERROR
@ FILE_DECODER_EVENT_LZMA_DECODER_ERROR
Definition: detect.h:1231
AppLayerEventType
enum AppLayerEventType_ AppLayerEventType
DetectEngineThreadKeywordCtxItem_::data
void * data
Definition: detect.h:740
DetectEngineThreadCtx_::pmq
PrefilterRuleStore pmq
Definition: detect.h:1112
util-hash.h
InspectionBufferGetDataPtr
InspectionBuffer *(* InspectionBufferGetDataPtr)(struct DetectEngineThreadCtx_ *det_ctx, const DetectEngineTransforms *transforms, Flow *f, const uint8_t flow_flags, void *txv, const int list_id)
Definition: detect.h:382
SigGroupHeadInitData_::mpm_store
MpmStore mpm_store[MPMB_MAX]
Definition: detect.h:1327
SigTableElmt_::flags
uint16_t flags
Definition: detect.h:1206
SCRadixTree_
Structure for the radix tree.
Definition: util-radix-tree.h:86
SigFindSignatureBySidGid
Signature * SigFindSignatureBySidGid(DetectEngineCtx *, uint32_t, uint32_t)
Find a specific signature by sid and gid.
Definition: detect-engine-build.c:63
DetectEngineIPOnlyCtx_::tree_ipv6dst
SCRadixTree * tree_ipv6dst
Definition: detect.h:682
DetectEngineIPOnlyCtx_::sig_init_array
uint8_t * sig_init_array
Definition: detect.h:695
DetectEngineCtx_::inspection_recursion_limit
int inspection_recursion_limit
Definition: detect.h:839
PrefilterEngineList_::name
const char * name
Definition: detect.h:1296
DetectVarList_::len
uint16_t len
Definition: detect.h:660
DetectEngineCtx_
main detection engine ctx
Definition: detect.h:767
DetectBufferMpmRegistery_::type
enum DetectBufferMpmType type
Definition: detect.h:618
DetectEnginePktInspectionEngine::v1
struct DetectEnginePktInspectionEngine::@92 v1
DetectEnginePktInspectionEngine::smd
SigMatchData * smd
Definition: detect.h:462
SCProfilePrefilterDetectCtx_
Definition: util-profiling-prefilter.c:50
SigMatchSignatures
void SigMatchSignatures(ThreadVars *th_v, DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, Packet *p)
wrapper for old tests
Definition: detect.c:1695
ENGINE_PROFILE_MEDIUM
@ ENGINE_PROFILE_MEDIUM
Definition: detect.h:962
DetectEngineThreadCtx_::global_keyword_ctxs_array
void ** global_keyword_ctxs_array
Definition: detect.h:1143
Signature_::CidrSrc
IPOnlyCIDRItem * CidrSrc
Definition: detect.h:574
HttpReassembledBody_::buffer
const uint8_t * buffer
Definition: detect.h:977
TransformData_::options
void * options
Definition: detect.h:373
packet-queue.h
detect-engine-register.h
ThresholdCtx_::th_size
uint32_t th_size
Definition: detect.h:717
InspectionBuffer::orig
const uint8_t * orig
Definition: detect.h:355
RuleMatchCandidateTxArrayFree
void RuleMatchCandidateTxArrayFree(DetectEngineThreadCtx *det_ctx)
Definition: detect.c:978
DetectEngineThreadCtx_::p
Packet * p
Definition: detect.h:1084
SigTableElmt_::AppLayerTxMatch
int(* AppLayerTxMatch)(DetectEngineThreadCtx *, Flow *, uint8_t flags, void *alstate, void *txv, const Signature *, const SigMatchCtx *)
Definition: detect.h:1183
DetectEngineThreadCtx_::keyword_perf_list
int keyword_perf_list
Definition: detect.h:1168
InspectionBufferGetPktDataPtr
InspectionBuffer *(* InspectionBufferGetPktDataPtr)(struct DetectEngineThreadCtx_ *det_ctx, const DetectEngineTransforms *transforms, Packet *p, const int list_id)
Definition: detect.h:456
PORT_ER
@ PORT_ER
Definition: detect.h:176
PrefilterEngine_::cb
union PrefilterEngine_::@105 cb
DetectEngineCtx_::keyword_id
int keyword_id
Definition: detect.h:879
RuleMatchCandidateTx::id
SigIntId id
Definition: detect.h:995
Detect
TmEcode Detect(ThreadVars *tv, Packet *p, void *data)
Detection engine thread wrapper.
Definition: detect.c:1627
DetectEngineIPOnlyCtx_::tree_ipv4src
SCRadixTree * tree_ipv4src
Definition: detect.h:681
DetectEngineIPOnlyCtx_::a_dst_total16
uint32_t a_dst_total16
Definition: detect.h:689
util-var-name.h
HashTable_
Definition: util-hash.h:35
DetectEngineThreadCtx_::flags
uint16_t flags
Definition: detect.h:1078
DetectEngineTenantMapping_::next
struct DetectEngineTenantMapping_ * next
Definition: detect.h:1425
DetectEngineThreadCtx_::buffers_size
uint32_t buffers_size
Definition: detect.h:1062
DetectEngineCtx_::srep_version
uint32_t srep_version
Definition: detect.h:777
DetectEngineCtx_::profile_sgh_ctx
struct SCProfileSghDetectCtx_ * profile_sgh_ctx
Definition: detect.h:893
DetectPort_::next
struct DetectPort_ * next
Definition: detect.h:205
DetectReplaceList_
Definition: detect.h:646
MPMB_TCP_STREAM_TS
@ MPMB_TCP_STREAM_TS
Definition: detect.h:1252
Address_
Definition: decode.h:116
DetectBufferMpmRegistery_
one time registration of keywords at start up
Definition: detect.h:611
DetectThresholdEntry_
Definition: detect-threshold.h:68
InspectionBuffer::size
uint32_t size
Definition: detect.h:352
DetectEngineThreadCtx_::spm_thread_ctx
SpmThreadCtx * spm_thread_ctx
Definition: detect.h:1116
DetectAddressHead
struct DetectAddressHead_ DetectAddressHead
InspectionBuffer::flags
uint8_t flags
Definition: detect.h:348
DetectEngineCtx_::dport_hash_table
HashListTable * dport_hash_table
Definition: detect.h:913
PrefilterEngineList_::Prefilter
void(* Prefilter)(DetectEngineThreadCtx *det_ctx, Packet *p, const void *pectx)
Definition: detect.h:1286
DetectEngineCtx_::gh_reuse
uint32_t gh_reuse
Definition: detect.h:803
DetectEngineIPOnlyCtx_::ht16_dst
HashListTable * ht16_dst
Definition: detect.h:677
Signature_::sm_arrays
SigMatchData * sm_arrays[DETECT_SM_LIST_MAX]
Definition: detect.h:581
SigGroupHead_::payload_engines
PrefilterEngine * payload_engines
Definition: detect.h:1369
DetectEngineCtx_::mpm_ctx_factory_container
MpmCtxFactoryContainer * mpm_ctx_factory_container
Definition: detect.h:836
DetectEngineCtx_::prefilter_setting
enum DetectEnginePrefilterSetting prefilter_setting
Definition: detect.h:911
SignatureInitData_::init_flags
uint32_t init_flags
Definition: detect.h:493
DetectBufferType_
Definition: detect.h:431
DetectPort_::sh
struct SigGroupHead_ * sh
Definition: detect.h:202
DetectContentData_
Definition: detect-content.h:86
DetectEngineSetEvent
void DetectEngineSetEvent(DetectEngineThreadCtx *det_ctx, uint8_t e)
Definition: detect-engine.c:4266
SigFileLoaderStat_::TAILQ_HEAD
TAILQ_HEAD(, SigString_) failed_sigs
DetectEngineCtx_::sigerror_ok
bool sigerror_ok
Definition: detect.h:874
Signature_::profiling_id
uint16_t profiling_id
Definition: detect.h:570
DetectBufferMpmRegistery_::GetData
InspectionBufferGetDataPtr GetData
Definition: detect.h:629
FILE_DECODER_EVENT_Z_DATA_ERROR
@ FILE_DECODER_EVENT_Z_DATA_ERROR
Definition: detect.h:1227
PrefilterEngine_::local_id
uint16_t local_id
Definition: detect.h:1302
DetectBufferMpmRegistery_::GetData
InspectionBufferGetPktDataPtr GetData
Definition: detect.h:639
PrefilterEngineList_::Free
void(* Free)(void *pectx)
Definition: detect.h:1294
PORT_GE
@ PORT_GE
Definition: detect.h:182
RuleMatchCandidateTxArrayInit
void RuleMatchCandidateTxArrayInit(DetectEngineThreadCtx *det_ctx, uint32_t size)
Definition: detect.c:965
ALPROTO_MAX
@ ALPROTO_MAX
Definition: app-layer-protos.h:68
MPMB_MAX
@ MPMB_MAX
Definition: detect.h:1257
SigTableElmt_
element in sigmatch type table.
Definition: detect.h:1178
SigMatchData_
Data needed for Match()
Definition: detect.h:329
InspectionBufferMultipleForList::init
uint32_t init
Definition: detect.h:368
SigTableElmt_::Setup
int(* Setup)(DetectEngineCtx *, Signature *, const char *)
Definition: detect.h:1197
DetectEngineCtx_::mpm_matcher
uint16_t mpm_matcher
Definition: detect.h:816
DetectEngineCtx_::sgh_mpm_context_proto_udp_packet
int32_t sgh_mpm_context_proto_udp_packet
Definition: detect.h:853
DetectPort
struct DetectPort_ DetectPort
Port structure for detection engine.
RuleMatchCandidateTx::s
const Signature * s
Definition: detect.h:1005
DetectEngineCtx_::reference_conf_ht
HashTable * reference_conf_ht
Definition: detect.h:798
DetectEngineCtx_::content_inspect_window
uint32_t content_inspect_window
Definition: detect.h:884
DetectEngineThreadCtx_::counter_fnonmpm_list
uint16_t counter_fnonmpm_list
Definition: detect.h:1054
DetectEngineCtx_::version
uint32_t version
Definition: detect.h:861
DetectMatchAddressIPv4_::ip
uint32_t ip
Definition: detect.h:161
DETECT_TRANSFORMS_MAX
#define DETECT_TRANSFORMS_MAX
Definition: detect.h:58
InspectionBuffer::orig_len
uint32_t orig_len
Definition: detect.h:354
DetectEngineThreadCtx_::varlist
DetectVarList * varlist
Definition: detect.h:1127
Signature_::dsize_low
uint16_t dsize_low
Definition: detect.h:534
DetectPort_::port2
uint16_t port2
Definition: detect.h:193
SignatureNonPrefilterStore_
Definition: detect.h:987
DetectEngineThreadCtx_::counter_nonmpm_list
uint16_t counter_nonmpm_list
Definition: detect.h:1053
MPMB_TCP_STREAM_TC
@ MPMB_TCP_STREAM_TC
Definition: detect.h:1253
DetectEngineThreadCtx_::events
uint16_t events
Definition: detect.h:1150
AppLayerDecoderEvents_
Data structure to store app layer decoder events.
Definition: app-layer-events.h:34
SigGroupHead
struct SigGroupHead_ SigGroupHead
Container for matching data for a signature group.
DetectMatchAddressIPv6
struct DetectMatchAddressIPv6_ DetectMatchAddressIPv6
DetectEngineThreadCtx_::mtcu
MpmThreadCtx mtcu
Definition: detect.h:1110
DetectEngineThreadCtx_::multi_inspect
struct DetectEngineThreadCtx_::@103 multi_inspect
TransformData_
Definition: detect.h:371
DetectBufferMpmRegistery_::id
int id
Definition: detect.h:617
FLOW_STATES
#define FLOW_STATES
Definition: detect.h:764
DetectEnginePktInspectionEngine::transforms
const DetectEngineTransforms * transforms
Definition: detect.h:469
ADDRESS_LT
@ ADDRESS_LT
Definition: detect.h:124
MpmBuiltinBuffers
MpmBuiltinBuffers
Definition: detect.h:1249
FILE_DECODER_EVENT_LZMA_FORMAT_ERROR
@ FILE_DECODER_EVENT_LZMA_FORMAT_ERROR
Definition: detect.h:1234
DetectPort_::flags
uint8_t flags
Definition: detect.h:195
DetectEngineCtx_::app_mpms_list
DetectBufferMpmRegistery * app_mpms_list
Definition: detect.h:935
SigRegisterTests
void SigRegisterTests(void)
Definition: detect.c:5323
DetectThreadCtxGetKeywordThreadCtx
void * DetectThreadCtxGetKeywordThreadCtx(DetectEngineThreadCtx *, int)
Retrieve thread local keyword ctx by id.
Definition: detect-engine.c:3123
DetectEngineThreadCtx_::mtcs
MpmThreadCtx mtcs
Definition: detect.h:1111
InspectionBufferMultipleForList::size
uint32_t size
Definition: detect.h:366
DetectEngineCtx_::udp_whitelist
DetectPort * udp_whitelist
Definition: detect.h:916
DetectEngineThreadCtx_::mt_det_ctxs_hash
HashTable * mt_det_ctxs_hash
Definition: detect.h:1029
DetectAddress_::prev
struct DetectAddress_ * prev
Definition: detect.h:148
DetectBufferType_::string
const char * string
Definition: detect.h:432
DETECT_PREFILTER_AUTO
@ DETECT_PREFILTER_AUTO
Definition: detect.h:749
DetectEngineThreadCtx_::keyword_ctxs_size
int keyword_ctxs_size
Definition: detect.h:1140
detect-reference.h
TmModuleDetectRegister
void TmModuleDetectRegister(void)
DetectEngineThreadCtx_::ticker
uint64_t ticker
Definition: detect.h:1017
Signature_::gid
uint32_t gid
Definition: detect.h:562
DetectEngineCtx_::prefilter_id
uint32_t prefilter_id
Definition: detect.h:941
ADDRESS_ER
@ ADDRESS_ER
Definition: detect.h:123
DetectEngineCtx_::sgh_array_size
uint32_t sgh_array_size
Definition: detect.h:850
SigGroupHeadInitData_::pkt_mpms
MpmCtx ** pkt_mpms
Definition: detect.h:1337
SigString_::sig_error
char * sig_error
Definition: detect.h:723
DetectMatchAddressIPv6_::ip2
uint32_t ip2[4]
Definition: detect.h:167
DetectEngineAppInspectionEngine_::id
uint8_t id
Definition: detect.h:405
PrefilterEngineList_::next
struct PrefilterEngineList_ * next
Definition: detect.h:1291
SigTableElmt_::SetupPrefilter
int(* SetupPrefilter)(DetectEngineCtx *de_ctx, struct SigGroupHead_ *sgh)
Definition: detect.h:1200
DetectBufferMpmRegistery_::sgh_mpm_context
int sgh_mpm_context
Definition: detect.h:619
Signature_::next
struct Signature_ * next
Definition: detect.h:600
DetectEngineIPOnlyCtx_::a_src_uniq24
uint32_t a_src_uniq24
Definition: detect.h:690
DetectEngineCtx_::sgh_mpm_context_proto_other_packet
int32_t sgh_mpm_context_proto_other_packet
Definition: detect.h:854
DetectVarList
struct DetectVarList_ DetectVarList
DetectEngineAppInspectionEngine_::sm_list
uint16_t sm_list
Definition: detect.h:408
TENANT_SELECTOR_UNKNOWN
@ TENANT_SELECTOR_UNKNOWN
Definition: detect.h:1413
HttpReassembledBody_::buffer_len
uint32_t buffer_len
Definition: detect.h:980
DetectEngineIPOnlyCtx_::a_dst_total24
uint32_t a_dst_total24
Definition: detect.h:691
SignatureInitData_::smlists_tail
struct SigMatch_ ** smlists_tail
Definition: detect.h:524
DetectEngineTenantMapping_::tenant_id
uint32_t tenant_id
Definition: detect.h:1420
InspectionBufferMultipleForList
Definition: detect.h:364
DetectBufferMpmType
DetectBufferMpmType
Definition: detect.h:603
DETECT_SM_LIST_POSTMATCH
@ DETECT_SM_LIST_POSTMATCH
Definition: detect.h:98
DetectEngineTenantMapping
struct DetectEngineTenantMapping_ DetectEngineTenantMapping
DetectEngineCtx_::prefilter_hash_table
HashListTable * prefilter_hash_table
Definition: detect.h:942
DetectReplaceList
struct DetectReplaceList_ DetectReplaceList
DetectEngineCtx_::sm_types_silent_error
bool sm_types_silent_error[DETECT_TBLSIZE]
Definition: detect.h:954
SigString_::TAILQ_ENTRY
TAILQ_ENTRY(SigString_) next
DetectEngineTenantSelectors
DetectEngineTenantSelectors
Definition: detect.h:1412
PORT_EQ
@ PORT_EQ
Definition: detect.h:179
InspectionBufferPktInspectFunc
int(* InspectionBufferPktInspectFunc)(struct DetectEngineThreadCtx_ *, const struct DetectEnginePktInspectionEngine *engine, const struct Signature_ *s, Packet *p, uint8_t *alert_flags)
Definition: detect.h:449
DetectBufferType
struct DetectBufferType_ DetectBufferType
DetectEngineThreadCtx_::tx_candidates
RuleMatchCandidateTx * tx_candidates
Definition: detect.h:1100
InspectionBuffer
struct InspectionBuffer InspectionBuffer
DetectUnregisterThreadCtxFuncs
int DetectUnregisterThreadCtxFuncs(DetectEngineCtx *, DetectEngineThreadCtx *, void *data, const char *name)
Remove Thread keyword context registration.
Definition: detect-engine.c:3092
DetectEngineMasterCtx
struct DetectEngineMasterCtx_ DetectEngineMasterCtx
SignatureInitData_::prefilter_list
int prefilter_list
Definition: detect.h:518
Signature_::addr_src_match4
DetectMatchAddressIPv4 * addr_src_match4
Definition: detect.h:556
SigTableElmt_::TransformValidate
bool(* TransformValidate)(const uint8_t *content, uint16_t content_len, void *context)
Definition: detect.h:1194
Signature_::class_id
uint16_t class_id
Definition: detect.h:548
util-debug.h
DETECT_FILESTORE_MAX
#define DETECT_FILESTORE_MAX
Definition: detect.h:985
PrefilterEngineList_::alproto
AppProto alproto
Definition: detect.h:1277
SignatureInitData
struct SignatureInitData_ SignatureInitData
SRepCIDRTree_
Definition: reputation.h:34
util-error.h
ADDRESS_GE
@ ADDRESS_GE
Definition: detect.h:129
de_ctx
DetectEngineCtx * de_ctx
Definition: fuzz_siginit.c:17
PrefilterEngine_::PrefilterTx
void(* PrefilterTx)(DetectEngineThreadCtx *det_ctx, const void *pectx, Packet *p, Flow *f, void *tx, const uint64_t idx, const uint8_t flags)
Definition: detect.h:1316
DetectEnginePktInspectionEngine::sm_list
uint16_t sm_list
Definition: detect.h:464
DetectEngineThreadCtx_::match_array_len
uint32_t match_array_len
Definition: detect.h:1096
IPOnlyCIDRItem_::negated
uint8_t negated
Definition: detect.h:302
ADDRESS_LE
@ ADDRESS_LE
Definition: detect.h:125
DetectEngineThreadCtx_
Definition: detect.h:1011
PrefilterEngine_
Definition: detect.h:1301
MpmStore_
Definition: detect.h:1260
SigGroupHeadInitData_::tx_engines
PrefilterEngineList * tx_engines
Definition: detect.h:1341
SCProfileKeywordDetectCtx_
Definition: util-profiling-keywords.c:57
SignatureInitData_::mpm_sm
SigMatch * mpm_sm
Definition: detect.h:500
DetectEngineCtx_::srepCIDR_ctx
SRepCIDRTree * srepCIDR_ctx
Definition: detect.h:780
DetectBufferMpmRegistery_::PrefilterRegisterWithListId
int(* PrefilterRegisterWithListId)(struct DetectEngineCtx_ *de_ctx, struct SigGroupHead_ *sgh, MpmCtx *mpm_ctx, const struct DetectBufferMpmRegistery_ *mpm_reg, int list_id)
Definition: detect.h:621
SignatureInitData_::src
const DetectAddressHead * src
Definition: detect.h:516
InspectEngineFuncPtr
int(* InspectEngineFuncPtr)(ThreadVars *tv, struct DetectEngineCtx_ *de_ctx, struct DetectEngineThreadCtx_ *det_ctx, const struct Signature_ *sig, const SigMatchData *smd, Flow *f, uint8_t flags, void *alstate, void *tx, uint64_t tx_id)
Definition: detect.h:388
DetectEngineThreadCtx_::tx_candidates_size
uint32_t tx_candidates_size
Definition: detect.h:1101
DETECT_SM_LIST_BASE64_DATA
@ DETECT_SM_LIST_BASE64_DATA
Definition: detect.h:95
DetectEngineThreadKeywordCtxItem_::id
int id
Definition: detect.h:742
DetectEngineThreadCtx_::buffers
InspectionBuffer * buffers
Definition: detect.h:1061
SigAddressPrepareBidirectionals
void SigAddressPrepareBidirectionals(DetectEngineCtx *)
DetectEngineMasterCtx_::keyword_list
DetectEngineThreadKeywordCtxItem * keyword_list
Definition: detect.h:1455
DetectEngineIPOnlyThreadCtx_::sig_match_array
uint8_t * sig_match_array
Definition: detect.h:670
HttpReassembledBody
struct HttpReassembledBody_ HttpReassembledBody
DetectEngineMasterCtx_::tenant_selector
enum DetectEngineTenantSelectors tenant_selector
Definition: detect.h:1446
PrefilterEngineList_::pectx
void * pectx
Definition: detect.h:1284
DetectEngineCtx_::last_reload
struct timeval last_reload
Definition: detect.h:945
FILE_DECODER_EVENT_Z_STREAM_ERROR
@ FILE_DECODER_EVENT_Z_STREAM_ERROR
Definition: detect.h:1228
DetectEngineCtx_::buffer_type_id
int buffer_type_id
Definition: detect.h:930
SignatureInitData_::list
int list
Definition: detect.h:505
Signature_::pkt_inspect
DetectEnginePktInspectionEngine * pkt_inspect
Definition: detect.h:577
SCProfileSghData_
Definition: util-profiling-rulegroups.c:45
DetectReplaceList_::next
struct DetectReplaceList_ * next
Definition: detect.h:649
DetectEngineLookupFlow_::sgh
struct SigGroupHead_ * sgh[256]
Definition: detect.h:706
Signature_::references
DetectReference * references
Definition: detect.h:591
PrefilterEngineList_::tx_min_progress
int tx_min_progress
Definition: detect.h:1280
ThreadVars_
Per thread variable structure.
Definition: threadvars.h:58
DetectEngineIPOnlyCtx_::ht24_src
HashListTable * ht24_src
Definition: detect.h:678
DetectEngineIPOnlyCtx_::sig_cnt
uint32_t sig_cnt
Definition: detect.h:699
PrefilterEngineList_::gid
uint32_t gid
Definition: detect.h:1298
DetectEngineAppInspectionEngine_::mpm
uint16_t mpm
Definition: detect.h:406
DetectMetadataHead
Definition: detect-metadata.h:39
SCSigSignatureWrapper_
Signature wrapper used by signature ordering module while ordering signatures.
Definition: detect-engine-sigorder.h:45
SigTableElmt
struct SigTableElmt_ SigTableElmt
element in sigmatch type table.
SigMatch
struct SigMatch_ SigMatch
a single match condition for a signature
SigMatch_::next
struct SigMatch_ * next
Definition: detect.h:324
SigMatchData_::type
uint8_t type
Definition: detect.h:330
InspectionBuffer::inspect_offset
uint64_t inspect_offset
Definition: detect.h:346
PrefilterEngineList
struct PrefilterEngineList_ PrefilterEngineList
DetectEngineMasterCtx_::free_list
DetectEngineCtx * free_list
Definition: detect.h:1444
DetectBufferMpmRegistery_::alproto
AppProto alproto
Definition: detect.h:630
DetectEngineThreadCtx_::inspect
struct DetectEngineThreadCtx_::@102 inspect
DetectEngineThreadKeywordCtxItem_::next
struct DetectEngineThreadKeywordCtxItem_ * next
Definition: detect.h:741
DetectAddress_::ip2
Address ip2
Definition: detect.h:142
DetectEngineThreadCtx_::non_pf_id_cnt
uint32_t non_pf_id_cnt
Definition: detect.h:1025
DETECT_SM_LIST_MATCH
@ DETECT_SM_LIST_MATCH
Definition: detect.h:89
DetectPort_
Port structure for detection engine.
Definition: detect.h:191
SigGroupHead_::init
SigGroupHeadInitData * init
Definition: detect.h:1376
DetectEngineCtx_::ths_ctx
ThresholdCtx ths_ctx
Definition: detect.h:814
DetectEngineCtx_::sig_cnt
uint32_t sig_cnt
Definition: detect.h:774
InspectionBuffer::buf
uint8_t * buf
Definition: detect.h:351
SigTableElmt_::alternative
uint16_t alternative
Definition: detect.h:1210
Signature_::app_inspect
DetectEngineAppInspectionEngine * app_inspect
Definition: detect.h:576
SigMatch_::ctx
SigMatchCtx * ctx
Definition: detect.h:323
DetectReference_
Signature reference list.
Definition: detect-reference.h:34
DetectBufferType_::ValidateCallback
bool(* ValidateCallback)(const struct Signature_ *, const char **sigerror)
Definition: detect.h:440
SigFileLoaderStat_::bad_sigs_total
int bad_sigs_total
Definition: detect.h:734
SigGroupHeadInitData_::direction
uint32_t direction
Definition: detect.h:1333
DetectLoadCompleteSigPath
char * DetectLoadCompleteSigPath(const DetectEngineCtx *, const char *sig_file)
Create the path if default-rule-path was specified.
Definition: detect-engine-loader.c:60
ENGINE_SGH_MPM_FACTORY_CONTEXT_FULL
@ ENGINE_SGH_MPM_FACTORY_CONTEXT_FULL
Definition: detect.h:970
SigGroupHead_::sig_cnt
SigIntId sig_cnt
Definition: detect.h:1353
MpmStore_::direction
int direction
Definition: detect.h:1264
DetectEngineThreadCtx_::base64_decoded_len
int base64_decoded_len
Definition: detect.h:1146
DetectVarList_::next
struct DetectVarList_ * next
Definition: detect.h:666
RuleMatchCandidateTx::stream_result
uint8_t stream_result
Definition: detect.h:1000
Signature_::action
uint8_t action
Definition: detect.h:541
DetectBufferMpmRegistery_::name
const char * name
Definition: detect.h:612
DetectEngineLookupFlow_::udp
DetectPort * udp
Definition: detect.h:705
DetectEngineThreadCtx_::raw_stream_progress
uint64_t raw_stream_progress
Definition: detect.h:1038
DetectEngineCtx_::profile_ctx
struct SCProfileDetectCtx_ * profile_ctx
Definition: detect.h:889
PrefilterEngine_::alproto
AppProto alproto
Definition: detect.h:1305
Signature_::flags
uint32_t flags
Definition: detect.h:529
FILE_DECODER_EVENT_Z_UNKNOWN_ERROR
@ FILE_DECODER_EVENT_Z_UNKNOWN_ERROR
Definition: detect.h:1230
ThresholdCtx_::th_entry
DetectThresholdEntry ** th_entry
Definition: detect.h:716
stream.h
IPOnlyCIDRItem_::next
struct IPOnlyCIDRItem_ * next
Definition: detect.h:308
DetectEngineCtx_::max_fb_id
uint32_t max_fb_id
Definition: detect.h:832
HttpReassembledBody_
Definition: detect.h:976
Packet_
Definition: decode.h:414
DetectEngineCtx_::sgh_mpm_context_stream
int32_t sgh_mpm_context_stream
Definition: detect.h:855
detect-engine-build.h
SignatureNonPrefilterStore
struct SignatureNonPrefilterStore_ SignatureNonPrefilterStore
DetectEngineThreadCtx_::rule_perf_data_size
int rule_perf_data_size
Definition: detect.h:1165
HttpReassembledBody_::buffer_size
uint32_t buffer_size
Definition: detect.h:979
DetectEngineAppInspectionEngine_::Callback
InspectEngineFuncPtr2 Callback
Definition: detect.h:421
TransformData
struct TransformData_ TransformData
DetectEngineCtx_::sgh_mpm_ctx_cnf
uint8_t sgh_mpm_ctx_cnf
Definition: detect.h:829
DetectBufferType_::packet
bool packet
Definition: detect.h:437
Signature_::CidrDst
IPOnlyCIDRItem * CidrDst
Definition: detect.h:574
SCSigOrderFunc_
Structure holding the signature ordering function used by the signature ordering module.
Definition: detect-engine-sigorder.h:69
PrefilterEngine
struct PrefilterEngine_ PrefilterEngine
DetectEngineMasterCtx_::multi_tenant_enabled
int multi_tenant_enabled
Definition: detect.h:1432
DetectRegisterThreadCtxFuncs
int DetectRegisterThreadCtxFuncs(DetectEngineCtx *, const char *name, void *(*InitFunc)(void *), void *data, void(*FreeFunc)(void *), int)
Register Thread keyword context Funcs.
Definition: detect-engine.c:3046
DetectEngineThreadCtx_::filestore_cnt
uint16_t filestore_cnt
Definition: detect.h:1047
SigFileLoaderStat
struct SigFileLoaderStat_ SigFileLoaderStat
Signature loader statistics.
DetectEngineCtx_::hcbd_buffer_limit
int hcbd_buffer_limit
Definition: detect.h:842
DetectEngineCtx_::max_uniq_toserver_groups
uint16_t max_uniq_toserver_groups
Definition: detect.h:826
DETECT_BUFFER_MPM_TYPE_PKT
@ DETECT_BUFFER_MPM_TYPE_PKT
Definition: detect.h:604
util-radix-tree.h
SCProfileData_
Definition: util-profiling-rules.c:44
TmEcode
TmEcode
Definition: tm-threads-common.h:79
DetectEngineIPOnlyCtx_::ht16_src
HashListTable * ht16_src
Definition: detect.h:677
DetectEnginePktInspectionEngine::Callback
InspectionBufferPktInspectFunc Callback
Definition: detect.h:467
DetectEngineCtx_::gh_unique
uint32_t gh_unique
Definition: detect.h:803
Signature_::init_data
SignatureInitData * init_data
Definition: detect.h:597
DetectEngineCtx_::profile_keyword_ctx
struct SCProfileKeywordDetectCtx_ * profile_keyword_ctx
Definition: detect.h:890
DetectEngineCtx_::sgh_array_cnt
uint32_t sgh_array_cnt
Definition: detect.h:849
SignatureInitData_::negated
bool negated
Definition: detect.h:485
DetectEngineCtx_::sgh_array
struct SigGroupHead_ ** sgh_array
Definition: detect.h:848
SigTableElmt_::Match
int(* Match)(DetectEngineThreadCtx *, Packet *, const Signature *, const SigMatchCtx *)
Definition: detect.h:1180
reputation.h
MpmStore
struct MpmStore_ MpmStore
SignatureInitData_
Definition: detect.h:479
SignatureInitData_::smlists
struct SigMatch_ ** smlists
Definition: detect.h:522
HashListTable_
Definition: util-hashlist.h:37
DetectEngineCtx_::byte_extract_max_local_id
int32_t byte_extract_max_local_id
Definition: detect.h:858
SignatureInitData_::dst_contains_negation
bool dst_contains_negation
Definition: detect.h:490
DetectEngineTransforms::transforms
TransformData transforms[DETECT_TRANSFORMS_MAX]
Definition: detect.h:377
DetectEngineCtx_::hsbd_buffer_limit
int hsbd_buffer_limit
Definition: detect.h:844
Signature_::addr_dst_match6_cnt
uint16_t addr_dst_match6_cnt
Definition: detect.h:553
DetectEngineThreadCtx_::rule_perf_data
struct SCProfileData_ * rule_perf_data
Definition: detect.h:1164
DetectEngineThreadCtx
struct DetectEngineThreadCtx_ DetectEngineThreadCtx
SigGroupHeadInitData_::app_mpms
MpmCtx ** app_mpms
Definition: detect.h:1336
HttpReassembledBody_::decompressed_buffer
uint8_t * decompressed_buffer
Definition: detect.h:978
DetectEngineTransforms
struct DetectEngineTransforms DetectEngineTransforms
Signature_::sp
DetectPort * sp
Definition: detect.h:567
DetectEngineThreadCtx_::mtc
MpmThreadCtx mtc
Definition: detect.h:1109
SigString_::filename
char * filename
Definition: detect.h:721
FILE_DECODER_EVENT_INVALID_SWF_VERSION
@ FILE_DECODER_EVENT_INVALID_SWF_VERSION
Definition: detect.h:1226
DETECT_ENGINE_TYPE_TENANT
@ DETECT_ENGINE_TYPE_TENANT
Definition: detect.h:757
HttpReassembledBody_::decompressed_buffer_len
uint32_t decompressed_buffer_len
Definition: detect.h:981
RuleMatchCandidateTx::flags
uint32_t * flags
Definition: detect.h:996
DetectEngineCtx_::dup_sig_hash_table
HashListTable * dup_sig_hash_table
Definition: detect.h:811
DetectEngineCtx_::config_prefix
char config_prefix[64]
Definition: detect.h:898
SigMatch_::type
uint8_t type
Definition: detect.h:321
DetectVarList_::type
int type
Definition: detect.h:662
FILE_DECODER_EVENT_LZMA_OPTIONS_ERROR
@ FILE_DECODER_EVENT_LZMA_OPTIONS_ERROR
Definition: detect.h:1233
DetectEngineAppInspectionEngine_::alproto
AppProto alproto
Definition: detect.h:403
SigMatchCtx_
Used to start a pointer to SigMatch context Should never be dereferenced without casting to something...
Definition: detect.h:315
Signature_::class_msg
char * class_msg
Definition: detect.h:589
DetectEngineThreadCtx_::discontinue_matching
uint16_t discontinue_matching
Definition: detect.h:1077
DetectEngineCtx_::sig_array_size
uint32_t sig_array_size
Definition: detect.h:783
ThresholdCtx_
threshold ctx
Definition: detect.h:712
DetectEngineAppInspectionEngine_::smd
SigMatchData * smd
Definition: detect.h:426
SigGroupHeadInitData_::pkt_engines
PrefilterEngineList * pkt_engines
Definition: detect.h:1339
DetectBufferType_::id
int id
Definition: detect.h:434
DetectGetTagSignature
Signature * DetectGetTagSignature(void)
DetectEnginePktInspectionEngine::GetData
InspectionBufferGetPktDataPtr GetData
Definition: detect.h:466
ENGINE_PROFILE_LOW
@ ENGINE_PROFILE_LOW
Definition: detect.h:961
DETECT_ENGINE_TYPE_NORMAL
@ DETECT_ENGINE_TYPE_NORMAL
Definition: detect.h:754
DetectEngineIPOnlyCtx_::ip_dst
IPOnlyCIDRItem * ip_dst
Definition: detect.h:685
MpmStore_::mpm_ctx
MpmCtx * mpm_ctx
Definition: detect.h:1269
util-file.h
DetectAddressHead_::ipv6_head
DetectAddress * ipv6_head
Definition: detect.h:156
DetectMetadataHashFree
void DetectMetadataHashFree(DetectEngineCtx *de_ctx)
Definition: detect-metadata.c:80
util-prefilter.h
SignatureInitData_::dsize_sm
SigMatch * dsize_sm
Definition: detect.h:497
DetectBufferMpmRegistery_::priority
int priority
Definition: detect.h:616
File_
Definition: util-file.h:63
DetectEngineIPOnlyCtx
struct DetectEngineIPOnlyCtx_ DetectEngineIPOnlyCtx
IP only rules matching ctx.
MPMB_TCP_PKT_TC
@ MPMB_TCP_PKT_TC
Definition: detect.h:1251
SigGroupHead_::match_array
Signature ** match_array
Definition: detect.h:1373
DetectEngineCtx_::sig_stat
SigFileLoaderStat sig_stat
Definition: detect.h:948
DetectEngineCtx_::address_table
HashListTable * address_table
Definition: detect.h:919
DetectEngineThreadCtx_::to_clear_queue
uint32_t * to_clear_queue
Definition: detect.h:1064
DetectEngineThreadCtx_::inspect_list
int inspect_list
Definition: detect.h:1058
DetectEngineCtx_::profile_prefilter_ctx
struct SCProfilePrefilterDetectCtx_ * profile_prefilter_ctx
Definition: detect.h:891
TENANT_SELECTOR_DIRECT
@ TENANT_SELECTOR_DIRECT
Definition: detect.h:1414
InspectionBufferMultipleForList
struct InspectionBufferMultipleForList InspectionBufferMultipleForList
util-mpm.h
DetectEngineCtx_::filedata_config
struct DetectEngineCtx_::@97 filedata_config[ALPROTO_MAX]
DetectBufferMpmRegistery_::pname
char pname[32]
Definition: detect.h:613
flags
uint8_t flags
Definition: decode-gre.h:0
Signature_::proto
DetectProto proto
Definition: detect.h:545
SigTableElmt_::alias
const char * alias
Definition: detect.h:1213
SigMatchCtx
struct SigMatchCtx_ SigMatchCtx
Used to start a pointer to SigMatch context Should never be dereferenced without casting to something...
SigGroupHead_::non_pf_other_store_array
SignatureNonPrefilterStore * non_pf_other_store_array
Definition: detect.h:1358
DetectEngineMasterCtx_::keyword_id
int keyword_id
Definition: detect.h:1456
SigMatchData_::is_last
uint8_t is_last
Definition: detect.h:331
ENGINE_PROFILE_CUSTOM
@ ENGINE_PROFILE_CUSTOM
Definition: detect.h:964
suricata-common.h
SigMatch_::idx
uint16_t idx
Definition: detect.h:322
SigString_::line
int line
Definition: detect.h:724
FILE_DECODER_EVENT_LZMA_DATA_ERROR
@ FILE_DECODER_EVENT_LZMA_DATA_ERROR
Definition: detect.h:1235
DETECT_BUFFER_MPM_TYPE_APP
@ DETECT_BUFFER_MPM_TYPE_APP
Definition: detect.h:605
SigGroupHeadInitData_::payload_engines
PrefilterEngineList * payload_engines
Definition: detect.h:1340
DetectEngineThreadCtx_::tenant_id
uint32_t tenant_id
Definition: detect.h:1014
DetectEngineCtx_::next
struct DetectEngineCtx_ * next
Definition: detect.h:905
Signature_::dsize_high
uint16_t dsize_high
Definition: detect.h:535
SigGroupHead_::non_pf_other_store_cnt
uint32_t non_pf_other_store_cnt
Definition: detect.h:1356
Signature_::file_flags
uint8_t file_flags
Definition: detect.h:542
DetectBufferMpmRegistery_::tx_min_progress
int tx_min_progress
Definition: detect.h:631
detect-metadata.h
DETECT_ENGINE_TYPE_DD_STUB
@ DETECT_ENGINE_TYPE_DD_STUB
Definition: detect.h:755
TENANT_SELECTOR_VLAN
@ TENANT_SELECTOR_VLAN
Definition: detect.h:1415
ENGINE_SGH_MPM_FACTORY_CONTEXT_SINGLE
@ ENGINE_SGH_MPM_FACTORY_CONTEXT_SINGLE
Definition: detect.h:971
DetectEngineIPOnlyCtx_::a_src_total24
uint32_t a_src_total24
Definition: detect.h:690
SigTableElmt_::Transform
void(* Transform)(InspectionBuffer *, void *context)
Definition: detect.h:1193
DetectEngineThreadCtx_::inspection_recursion_counter
int inspection_recursion_counter
Definition: detect.h:1089
DetectEngineThreadCtx_::prefilter_perf_data
struct SCProfilePrefilterData_ * prefilter_perf_data
Definition: detect.h:1171
DetectEnginePrefilterSetting
DetectEnginePrefilterSetting
Definition: detect.h:747
DetectPort_::prev
struct DetectPort_ * prev
Definition: detect.h:204
util-spm.h
DetectEnginePktInspectionEngine::next
struct DetectEnginePktInspectionEngine * next
Definition: detect.h:471
SigGroupHeadInitData_::sig_size
uint32_t sig_size
Definition: detect.h:1330
PrefilterEngineList_
Definition: detect.h:1273
SigFileLoaderStat_::total_files
int total_files
Definition: detect.h:732
DetectEngineIPOnlyCtx_::tree_ipv4dst
SCRadixTree * tree_ipv4dst
Definition: detect.h:681
DetectMatchAddressIPv4_::ip2
uint32_t ip2
Definition: detect.h:162
DetectEngineCtx_::profile_match_logging_threshold
uint32_t profile_match_logging_threshold
Definition: detect.h:894
IPOnlyCIDRItem_::ip
uint32_t ip[4]
Definition: detect.h:304
DetectSignatureApplyActions
void DetectSignatureApplyActions(Packet *p, const Signature *s, const uint8_t)
Apply action(s) and Set 'drop' sig info, if applicable.
Definition: detect.c:1544
PrefilterEngine_::gid
uint32_t gid
Definition: detect.h:1322
Signature_::rev
uint32_t rev
Definition: detect.h:563
SignatureInitData_::sm_cnt
uint16_t sm_cnt
Definition: detect.h:481
ADDRESS_GT
@ ADDRESS_GT
Definition: detect.h:130
DetectEngineCtx_::buffer_type_map
DetectBufferType ** buffer_type_map
Definition: detect.h:924
FILE_DECODER_EVENT_NO_MEM
@ FILE_DECODER_EVENT_NO_MEM
Definition: detect.h:1224
DetectEngineCtx_::sig_list
Signature * sig_list
Definition: detect.h:773
PrefilterEngineList_::PrefilterTx
void(* PrefilterTx)(DetectEngineThreadCtx *det_ctx, const void *pectx, Packet *p, Flow *f, void *tx, const uint64_t idx, const uint8_t flags)
Definition: detect.h:1287
DETECT_SM_LIST_TMATCH
@ DETECT_SM_LIST_TMATCH
Definition: detect.h:100
DetectEngineCtx_::profile_keyword_ctx_per_list
struct SCProfileKeywordDetectCtx_ ** profile_keyword_ctx_per_list
Definition: detect.h:892
RuleMatchCandidateTx
struct RuleMatchCandidateTx RuleMatchCandidateTx
DetectEngineCtx_::tcp_whitelist
DetectPort * tcp_whitelist
Definition: detect.h:915
DetectEngineCtx_::loader_id
int loader_id
Definition: detect.h:908
TransformData_::transform
int transform
Definition: detect.h:372
DetectEngineCtx_::pkt_inspect_engines
DetectEnginePktInspectionEngine * pkt_inspect_engines
Definition: detect.h:937
tv
ThreadVars * tv
Definition: fuzz_decodepcapfile.c:29
Signature_::prio
int prio
Definition: detect.h:564
ENGINE_PROFILE_HIGH
@ ENGINE_PROFILE_HIGH
Definition: detect.h:963
DetectEngineThreadCtx_::non_pf_id_array
SigIntId * non_pf_id_array
Definition: detect.h:1024
DetectEngineAppInspectionEngine_::progress
int16_t progress
Definition: detect.h:409
DetectEngineThreadKeywordCtxItem_::FreeFunc
void(* FreeFunc)(void *)
Definition: detect.h:739
DetectMatchAddressIPv6_::ip
uint32_t ip[4]
Definition: detect.h:166
app-layer-events.h
DetectEngineIPOnlyCtx_::ht24_dst
HashListTable * ht24_dst
Definition: detect.h:678
SigGroupHeadInitData
struct SigGroupHeadInitData_ SigGroupHeadInitData
DetectAddress
struct DetectAddress_ DetectAddress
address structure for use in the detection engine.
SpmGlobalThreadCtx_
Definition: util-spm.h:49
DetectEngineCtx_::app_mpms_list_cnt
uint32_t app_mpms_list_cnt
Definition: detect.h:936
Signature_::addr_src_match6_cnt
uint16_t addr_src_match6_cnt
Definition: detect.h:554
DetectProto_
Definition: detect-engine-proto.h:36
DetectFilestoreData_
Definition: detect-filestore.h:36
SigGroupHeadInitData_
Definition: detect.h:1326
InspectionBuffer::inspect_len
uint32_t inspect_len
Definition: detect.h:347
DetectBufferMpmRegistery_::app_v2
struct DetectBufferMpmRegistery_::@93::@95 app_v2
DetectEngineCtx_::app_inspect_engines
DetectEngineAppInspectionEngine * app_inspect_engines
Definition: detect.h:934
SignatureInitData_::dst
const DetectAddressHead * dst
Definition: detect.h:516
PrefilterEngine_::pectx
void * pectx
Definition: detect.h:1312
DetectEngineThreadCtx_::pcre_match_start_offset
uint32_t pcre_match_start_offset
Definition: detect.h:1044
DetectEngineCtx_::keyword_list
DetectEngineThreadKeywordCtxItem * keyword_list
Definition: detect.h:878
DetectEngineThreadCtx_::global_keyword_ctxs_size
int global_keyword_ctxs_size
Definition: detect.h:1142
Signature_::dp
DetectPort * dp
Definition: detect.h:567
DetectEngineCtx_::sm_types_prefilter
bool sm_types_prefilter[DETECT_TBLSIZE]
Definition: detect.h:953
DetectEngineCtx_::mpm_hash_table
HashListTable * mpm_hash_table
Definition: detect.h:808
InspectionBuffer::inspect
const uint8_t * inspect
Definition: detect.h:345
Signature_::metadata
DetectMetadataHead * metadata
Definition: detect.h:593
DetectEngineThreadCtx_::tv
ThreadVars * tv
Definition: detect.h:1020
MPMB_UDP_TC
@ MPMB_UDP_TC
Definition: detect.h:1255
DetectEngineThreadCtx_::non_pf_store_cnt
uint32_t non_pf_store_cnt
Definition: detect.h:1104
DetectEngineThreadCtx_::counter_alerts
uint16_t counter_alerts
Definition: detect.h:1050
InspectionBuffer::len
uint32_t len
Definition: detect.h:350
DetectEngineThreadCtx_::filestore
struct DetectEngineThreadCtx_::@104 filestore[DETECT_FILESTORE_MAX]
SigGroupHead_::flags
uint32_t flags
Definition: detect.h:1349
DetectVarList_::key
uint8_t * key
Definition: detect.h:663
DetectEngineThreadCtx_::keyword_ctxs_array
void ** keyword_ctxs_array
Definition: detect.h:1139
ENGINE_PROFILE_MAX
@ ENGINE_PROFILE_MAX
Definition: detect.h:965
SigFileLoaderStat_::good_sigs_total
int good_sigs_total
Definition: detect.h:733
SigTableElmt_::SupportsPrefilter
bool(* SupportsPrefilter)(const Signature *s)
Definition: detect.h:1199
DetectEngineGetEvents
AppLayerDecoderEvents * DetectEngineGetEvents(DetectEngineThreadCtx *det_ctx)
Definition: detect-engine.c:4272
Signature_::addr_dst_match6
DetectMatchAddressIPv6 * addr_dst_match6
Definition: detect.h:558
DetectEngineMasterCtx_
Definition: detect.h:1428
DetectEngineIPOnlyCtx_::a_src_total16
uint32_t a_src_total16
Definition: detect.h:688
Signature_::id
uint32_t id
Definition: detect.h:561
DetectEngineThreadKeywordCtxItem_::name
const char * name
Definition: detect.h:743
PORT_ES
@ PORT_ES
Definition: detect.h:180
DetectEngineThreadCtx_::base64_decoded_len_max
int base64_decoded_len_max
Definition: detect.h:1147
DetectEngineLookupFlow
struct DetectEngineLookupFlow_ DetectEngineLookupFlow
RuleMatchCandidateTx::stream_reset
uint32_t stream_reset
Definition: detect.h:1002
DisableDetectFlowFileFlags
void DisableDetectFlowFileFlags(Flow *f)
disable file features we don't need Called if we have no detection engine.
Definition: detect.c:1685
ENGINE_SGH_MPM_FACTORY_CONTEXT_AUTO
@ ENGINE_SGH_MPM_FACTORY_CONTEXT_AUTO
Definition: detect.h:972
DetectBufferType_::transforms
DetectEngineTransforms transforms
Definition: detect.h:441
DetectEngineCtx_::content_limit
uint32_t content_limit
Definition: detect.h:882
DetectEngineType
DetectEngineType
Definition: detect.h:753
HttpReassembledBody_::offset
uint64_t offset
Definition: detect.h:982
Signature_
Signature container.
Definition: detect.h:528
SCProfileDetectCtx_
Definition: util-profiling-rules.c:55
SigMatch_
a single match condition for a signature
Definition: detect.h:320
DetectBufferType_::description
const char * description
Definition: detect.h:433
PORT_LE
@ PORT_LE
Definition: detect.h:178
SCProfilePrefilterData_
Definition: util-profiling-prefilter.c:43
DetectEngineAppInspectionEngine_::transforms
const DetectEngineTransforms * transforms
Definition: detect.h:423
DETECT_SM_LIST_MAX
@ DETECT_SM_LIST_MAX
Definition: detect.h:106
detect-threshold.h
SigMatchCtx_::foo
int foo
Definition: detect.h:316
DetectBufferType_::parent_id
int parent_id
Definition: detect.h:435
DETECT_PREFILTER_MPM
@ DETECT_PREFILTER_MPM
Definition: detect.h:748
SignatureMask
#define SignatureMask
Definition: detect.h:280
DetectAddress_::next
struct DetectAddress_ * next
Definition: detect.h:150
DetectEngineTenantMapping_::traffic_id
uint32_t traffic_id
Definition: detect.h:1423
PORT_GT
@ PORT_GT
Definition: detect.h:183
SigGroupHeadInitData_::protos
uint8_t protos[256]
Definition: detect.h:1332
DetectMatchAddressIPv6_
Definition: detect.h:165
MPMB_TCP_PKT_TS
@ MPMB_TCP_PKT_TS
Definition: detect.h:1250
DetectMatchAddressIPv4_
Definition: detect.h:160
DetectEngineCtx_::spm_matcher
uint16_t spm_matcher
Definition: detect.h:817
DetectEngineCtx_::buffer_type_hash
HashListTable * buffer_type_hash
Definition: detect.h:929
DetectEngineCtx_::buffer_type_map_elements
uint32_t buffer_type_map_elements
Definition: detect.h:925
DetectEnginePktInspectionEngine
struct DetectEnginePktInspectionEngine DetectEnginePktInspectionEngine
DetectEngineThreadCtx_::base64_decoded
uint8_t * base64_decoded
Definition: detect.h:1145
ENGINE_PROFILE_UNKNOWN
@ ENGINE_PROFILE_UNKNOWN
Definition: detect.h:960
DetectEngineLookupFlow_
Definition: detect.h:703
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int cnt
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DetectEngineCtx * de_ctx
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Signature ** sig_array
Definition: detect.h:782
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Definition: detect.h:404
DETECT_BUFFER_MPM_TYPE_SIZE
@ DETECT_BUFFER_MPM_TYPE_SIZE
Definition: detect.h:607
DETECT_ENGINE_TYPE_MT_STUB
@ DETECT_ENGINE_TYPE_MT_STUB
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Definition: detect.h:989
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struct Signature_ Signature
Signature container.
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IP only rules matching ctx.
Definition: detect.h:675
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Definition: detect.h:875
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struct DetectBufferMpmRegistery_::@93::@96 pkt_v1
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Definition: detect-metadata.c:69
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struct DetectEngineIPOnlyThreadCtx_ DetectEngineIPOnlyThreadCtx
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SCMutex lock
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int DetectFlowbitsAnalyze(DetectEngineCtx *de_ctx)
Definition: detect-flowbits.c:407
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Definition: detect.h:722
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DetectEngineIPOnlyCtx io_ctx
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struct DetectMatchAddressIPv4_ DetectMatchAddressIPv4
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int rule_line
Definition: detect.h:872
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Definition: util-mpm.h:88
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struct DetectBufferMpmRegistery_ DetectBufferMpmRegistery
one time registration of keywords at start up
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Definition: detect.h:555
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Definition: detect.h:586
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Definition: detect.h:647
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Definition: detect-parse.c:73
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struct DetectEngineAppInspectionEngine_ DetectEngineAppInspectionEngine
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@ TENANT_SELECTOR_LIVEDEV
Definition: detect.h:1416
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struct DetectEngineAppInspectionEngine_::@91 v2
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DetectSigmatchListEnum
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Definition: detect.h:784
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@ PORT_LT
Definition: detect.h:177
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Definition: detect.h:922
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Definition: detect.h:990
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SCRadixTree * tree_ipv6src
Definition: detect.h:682
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Definition: detect.h:786
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@ ADDRESS_EQ
Definition: detect.h:126
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Definition: detect.h:1364
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Definition: detect.h:305
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Signature loader statistics.
Definition: detect.h:729
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uint8_t flags
Definition: detect.h:145
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uint32_t base64_decode_max_len
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DetectPort * tcp
Definition: detect.h:704
ThresholdCtx
struct ThresholdCtx_ ThresholdCtx
threshold ctx
DETECT_SM_LIST_SUPPRESS
@ DETECT_SM_LIST_SUPPRESS
Definition: detect.h:103
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#define SCMutex
Definition: threads-debug.h:114
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InspectionBuffer * inspection_buffers
Definition: detect.h:365
ADDRESS_ES
@ ADDRESS_ES
Definition: detect.h:127
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int32_t sgh_mpm_context
Definition: detect.h:1267
InspectionBufferMultipleForList::max
uint32_t max
Definition: detect.h:367
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DetectAddress * ipv4_head
Definition: detect.h:155
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int tx_min_progress
Definition: detect.h:1308
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uint32_t * match_array
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uint32_t id
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int is_last
Definition: detect.h:1323
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uint8_t family
Definition: detect.h:298
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uint16_t counter_mpm_list
Definition: detect.h:1052
FILE_DECODER_EVENT_LZMA_MEMLIMIT_ERROR
@ FILE_DECODER_EVENT_LZMA_MEMLIMIT_ERROR
Definition: detect.h:1232
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struct SigMatchData_ SigMatchData
Data needed for Match()
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int failure_fatal
Definition: detect.h:769
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enum MpmBuiltinBuffers buffer
Definition: detect.h:1265
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uint32_t tenant_array_size
Definition: detect.h:1032
DetectEngineThreadCtx_::tenant_array
struct DetectEngineTenantMapping_ * tenant_array
Definition: detect.h:1031
DetectEngineCtx_::sc_sig_order_funcs
struct SCSigOrderFunc_ * sc_sig_order_funcs
Definition: detect.h:793
FILE_DECODER_EVENT_INVALID_SWF_LENGTH
@ FILE_DECODER_EVENT_INVALID_SWF_LENGTH
Definition: detect.h:1225
MpmCtxFactoryContainer_
Definition: util-mpm.h:123
SigTableElmt_::RegisterTests
void(* RegisterTests)(void)
Definition: detect.h:1204
DetectEngineThreadCtx_::file_id
uint32_t file_id
Definition: detect.h:1133
DetectEngineThreadCtx_::io_ctx
DetectEngineIPOnlyThreadCtx io_ctx
Definition: detect.h:1119
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struct DetectEngineThreadCtx_ ** mt_det_ctxs
Definition: detect.h:1028
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SignatureMask mask
Definition: detect.h:537
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struct DetectBufferMpmRegistery_ * next
Definition: detect.h:643
RuleMatchCandidateTx
Definition: detect.h:994
SignatureInitData_::smlists_array_size
uint32_t smlists_array_size
Definition: detect.h:520
DetectEngineThreadCtx_::TenantGetId
uint32_t(* TenantGetId)(const void *, const Packet *p)
Definition: detect.h:1034
InspectEngineFuncPtr2
int(* InspectEngineFuncPtr2)(struct DetectEngineCtx_ *de_ctx, struct DetectEngineThreadCtx_ *det_ctx, const struct DetectEngineAppInspectionEngine_ *engine, const struct Signature_ *s, Flow *f, uint8_t flags, void *alstate, void *txv, uint64_t tx_id)
Definition: detect.h:396
DetectEngineIPOnlyCtx_::max_idx
uint32_t max_idx
Definition: detect.h:693
SpmThreadCtx_
Definition: util-spm.h:56
DetectEngineIPOnlyThreadCtx_::sig_match_size
uint32_t sig_match_size
Definition: detect.h:671
DetectEngineThreadCtx_::match_array
Signature ** match_array
Definition: detect.h:1093
DetectEngineIPOnlyThreadCtx_
Definition: detect.h:669