suricata
detect-engine-loader.c
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1 /* Copyright (C) 2015 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 #include "suricata-common.h"
25 #include "suricata.h"
26 #include "conf.h"
27 #include "debug.h"
28 #include "detect.h"
29 #include "detect-parse.h"
30 
31 #include "runmodes.h"
32 #include "threads.h"
33 #include "threadvars.h"
34 #include "tm-threads.h"
35 #include "queue.h"
36 #include "util-signal.h"
37 
38 #include "detect-engine-loader.h"
39 #include "detect-engine-analyzer.h"
40 #include "detect-engine-mpm.h"
41 #include "detect-engine-sigorder.h"
42 
43 #include "util-detect.h"
44 #include "util-threshold-config.h"
45 
46 #ifdef HAVE_GLOB_H
47 #include <glob.h>
48 #endif
49 
50 extern int rule_reload;
51 extern int engine_analysis;
52 static int fp_engine_analysis_set = 0;
54 
55 /**
56  * \brief Create the path if default-rule-path was specified
57  * \param sig_file The name of the file
58  * \retval str Pointer to the string path + sig_file
59  */
60 char *DetectLoadCompleteSigPath(const DetectEngineCtx *de_ctx, const char *sig_file)
61 {
62  const char *defaultpath = NULL;
63  char *path = NULL;
64  char varname[128];
65 
66  if (sig_file == NULL) {
67  SCLogError(SC_ERR_INVALID_ARGUMENTS,"invalid sig_file argument - NULL");
68  return NULL;
69  }
70 
71  if (strlen(de_ctx->config_prefix) > 0) {
72  snprintf(varname, sizeof(varname), "%s.default-rule-path",
73  de_ctx->config_prefix);
74  } else {
75  snprintf(varname, sizeof(varname), "default-rule-path");
76  }
77 
78  /* Path not specified */
79  if (PathIsRelative(sig_file)) {
80  if (ConfGet(varname, &defaultpath) == 1) {
81  SCLogDebug("Default path: %s", defaultpath);
82  size_t path_len = sizeof(char) * (strlen(defaultpath) +
83  strlen(sig_file) + 2);
84  path = SCMalloc(path_len);
85  if (unlikely(path == NULL))
86  return NULL;
87  strlcpy(path, defaultpath, path_len);
88 #if defined OS_WIN32 || defined __CYGWIN__
89  if (path[strlen(path) - 1] != '\\')
90  strlcat(path, "\\\\", path_len);
91 #else
92  if (path[strlen(path) - 1] != '/')
93  strlcat(path, "/", path_len);
94 #endif
95  strlcat(path, sig_file, path_len);
96  } else {
97  path = SCStrdup(sig_file);
98  if (unlikely(path == NULL))
99  return NULL;
100  }
101  } else {
102  path = SCStrdup(sig_file);
103  if (unlikely(path == NULL))
104  return NULL;
105  }
106  return path;
107 }
108 
109 /**
110  * \brief Load a file with signatures
111  * \param de_ctx Pointer to the detection engine context
112  * \param sig_file Filename to load signatures from
113  * \param goodsigs_tot Will store number of valid signatures in the file
114  * \param badsigs_tot Will store number of invalid signatures in the file
115  * \retval 0 on success, -1 on error
116  */
117 static int DetectLoadSigFile(DetectEngineCtx *de_ctx, char *sig_file,
118  int *goodsigs, int *badsigs)
119 {
120  Signature *sig = NULL;
121  int good = 0, bad = 0;
122  char line[DETECT_MAX_RULE_SIZE] = "";
123  size_t offset = 0;
124  int lineno = 0, multiline = 0;
125 
126  (*goodsigs) = 0;
127  (*badsigs) = 0;
128 
129  FILE *fp = fopen(sig_file, "r");
130  if (fp == NULL) {
131  SCLogError(SC_ERR_OPENING_RULE_FILE, "opening rule file %s:"
132  " %s.", sig_file, strerror(errno));
133  return -1;
134  }
135 
136  while(fgets(line + offset, (int)sizeof(line) - offset, fp) != NULL) {
137  lineno++;
138  size_t len = strlen(line);
139 
140  /* ignore comments and empty lines */
141  if (line[0] == '\n' || line [0] == '\r' || line[0] == ' ' || line[0] == '#' || line[0] == '\t')
142  continue;
143 
144  /* Check for multiline rules. */
145  while (len > 0 && isspace((unsigned char)line[--len]));
146  if (line[len] == '\\') {
147  multiline++;
148  offset = len;
149  if (offset < sizeof(line) - 1) {
150  /* We have room for more. */
151  continue;
152  }
153  /* No more room in line buffer, continue, rule will fail
154  * to parse. */
155  }
156 
157  /* Check if we have a trailing newline, and remove it */
158  len = strlen(line);
159  if (len > 0 && (line[len - 1] == '\n' || line[len - 1] == '\r')) {
160  line[len - 1] = '\0';
161  }
162 
163  /* Reset offset. */
164  offset = 0;
165 
166  de_ctx->rule_file = sig_file;
167  de_ctx->rule_line = lineno - multiline;
168 
169  sig = DetectEngineAppendSig(de_ctx, line);
170  if (sig != NULL) {
171  if (rule_engine_analysis_set || fp_engine_analysis_set) {
172  RetrieveFPForSig(de_ctx, sig);
173  if (fp_engine_analysis_set) {
174  EngineAnalysisFP(de_ctx, sig, line);
175  }
177  EngineAnalysisRules(de_ctx, sig, line);
178  }
179  }
180  SCLogDebug("signature %"PRIu32" loaded", sig->id);
181  good++;
182  } else {
183  SCLogError(SC_ERR_INVALID_SIGNATURE, "error parsing signature \"%s\" from "
184  "file %s at line %"PRId32"", line, sig_file, lineno - multiline);
185 
187  EngineAnalysisRulesFailure(line, sig_file, lineno - multiline);
188  }
189  bad++;
190  if (!SigStringAppend(&de_ctx->sig_stat, sig_file, line, de_ctx->sigerror, (lineno - multiline))) {
191  SCLogError(SC_ERR_MEM_ALLOC, "Error adding sig \"%s\" from "
192  "file %s at line %"PRId32"", line, sig_file, lineno - multiline);
193  }
194  if (de_ctx->sigerror) {
195  de_ctx->sigerror = NULL;
196  }
197  }
198  multiline = 0;
199  }
200  fclose(fp);
201 
202  *goodsigs = good;
203  *badsigs = bad;
204  return 0;
205 }
206 
207 /**
208  * \brief Expands wildcards and reads signatures from each matching file
209  * \param de_ctx Pointer to the detection engine context
210  * \param sig_file Filename (or pattern) holding signatures
211  * \retval -1 on error
212  */
213 static int ProcessSigFiles(DetectEngineCtx *de_ctx, char *pattern,
214  SigFileLoaderStat *st, int *good_sigs, int *bad_sigs)
215 {
216  int r = 0;
217 
218  if (pattern == NULL) {
219  SCLogError(SC_ERR_INVALID_ARGUMENT, "opening rule file null");
220  return -1;
221  }
222 
223 #ifdef HAVE_GLOB_H
224  glob_t files;
225  r = glob(pattern, 0, NULL, &files);
226 
227  if (r == GLOB_NOMATCH) {
228  SCLogWarning(SC_ERR_NO_RULES, "No rule files match the pattern %s", pattern);
229  ++(st->bad_files);
230  ++(st->total_files);
231  return -1;
232  } else if (r != 0) {
233  SCLogError(SC_ERR_OPENING_RULE_FILE, "error expanding template %s: %s",
234  pattern, strerror(errno));
235  return -1;
236  }
237 
238  for (size_t i = 0; i < (size_t)files.gl_pathc; i++) {
239  char *fname = files.gl_pathv[i];
240  if (strcmp("/dev/null", fname) == 0)
241  continue;
242 #else
243  char *fname = pattern;
244  if (strcmp("/dev/null", fname) == 0)
245  return 0;
246 #endif
247  SCLogConfig("Loading rule file: %s", fname);
248  r = DetectLoadSigFile(de_ctx, fname, good_sigs, bad_sigs);
249  if (r < 0) {
250  ++(st->bad_files);
251  }
252 
253  ++(st->total_files);
254 
255  st->good_sigs_total += *good_sigs;
256  st->bad_sigs_total += *bad_sigs;
257 
258 #ifdef HAVE_GLOB_H
259  }
260  globfree(&files);
261 #endif
262  return r;
263 }
264 
265 /**
266  * \brief Load signatures
267  * \param de_ctx Pointer to the detection engine context
268  * \param sig_file Filename (or pattern) holding signatures
269  * \param sig_file_exclusive File passed in 'sig_file' should be loaded exclusively.
270  * \retval -1 on error
271  */
272 int SigLoadSignatures(DetectEngineCtx *de_ctx, char *sig_file, int sig_file_exclusive)
273 {
274  SCEnter();
275 
276  ConfNode *rule_files;
277  ConfNode *file = NULL;
278  SigFileLoaderStat *sig_stat = &de_ctx->sig_stat;
279  int ret = 0;
280  char *sfile = NULL;
281  char varname[128] = "rule-files";
282  int good_sigs = 0;
283  int bad_sigs = 0;
284 
285  if (strlen(de_ctx->config_prefix) > 0) {
286  snprintf(varname, sizeof(varname), "%s.rule-files",
287  de_ctx->config_prefix);
288  }
289 
291  fp_engine_analysis_set = SetupFPAnalyzer();
293  }
294 
295  /* ok, let's load signature files from the general config */
296  if (!(sig_file != NULL && sig_file_exclusive == TRUE)) {
297  rule_files = ConfGetNode(varname);
298  if (rule_files != NULL) {
299  if (!ConfNodeIsSequence(rule_files)) {
301  "Invalid rule-files configuration section: "
302  "expected a list of filenames.");
303  }
304  else {
305  TAILQ_FOREACH(file, &rule_files->head, next) {
306  sfile = DetectLoadCompleteSigPath(de_ctx, file->val);
307  good_sigs = bad_sigs = 0;
308  ret = ProcessSigFiles(de_ctx, sfile, sig_stat, &good_sigs, &bad_sigs);
309  SCFree(sfile);
310 
311  if (de_ctx->failure_fatal && ret != 0) {
312  /* Some rules failed to load, just exit as
313  * errors would have already been logged. */
314  exit(EXIT_FAILURE);
315  }
316 
317  if (good_sigs == 0) {
318  SCLogConfig("No rules loaded from %s.", file->val);
319  }
320  }
321  }
322  }
323  }
324 
325  /* If a Signature file is specified from commandline, parse it too */
326  if (sig_file != NULL) {
327  ret = ProcessSigFiles(de_ctx, sig_file, sig_stat, &good_sigs, &bad_sigs);
328 
329  if (ret != 0) {
330  if (de_ctx->failure_fatal == 1) {
331  exit(EXIT_FAILURE);
332  }
333  }
334 
335  if (good_sigs == 0) {
336  SCLogConfig("No rules loaded from %s", sig_file);
337  }
338  }
339 
340  /* now we should have signatures to work with */
341  if (sig_stat->good_sigs_total <= 0) {
342  if (sig_stat->total_files > 0) {
343  SCLogWarning(SC_ERR_NO_RULES_LOADED, "%d rule files specified, but no rule was loaded at all!", sig_stat->total_files);
344  } else {
345  SCLogInfo("No signatures supplied.");
346  goto end;
347  }
348  } else {
349  /* we report the total of files and rules successfully loaded and failed */
350  SCLogInfo("%" PRId32 " rule files processed. %" PRId32 " rules successfully loaded, %" PRId32 " rules failed",
351  sig_stat->total_files, sig_stat->good_sigs_total, sig_stat->bad_sigs_total);
352  }
353 
354  if ((sig_stat->bad_sigs_total || sig_stat->bad_files) && de_ctx->failure_fatal) {
355  ret = -1;
356  goto end;
357  }
358 
360  SCSigOrderSignatures(de_ctx);
362 
364 
365  /* Setup the signature group lookup structure and pattern matchers */
366  if (SigGroupBuild(de_ctx) < 0)
367  goto end;
368 
369  ret = 0;
370 
371  end:
372  gettimeofday(&de_ctx->last_reload, NULL);
376  }
377  if (fp_engine_analysis_set) {
379  }
380  }
381 
383  SCReturnInt(ret);
384 }
385 
386 #define NLOADERS 4
387 static DetectLoaderControl *loaders = NULL;
388 static int cur_loader = 0;
390 static int num_loaders = NLOADERS;
391 
392 /** \param loader -1 for auto select
393  * \retval loader_id or negative in case of error */
394 int DetectLoaderQueueTask(int loader_id, LoaderFunc Func, void *func_ctx)
395 {
396  if (loader_id == -1) {
397  loader_id = cur_loader;
398  cur_loader++;
399  if (cur_loader >= num_loaders)
400  cur_loader = 0;
401  }
402  if (loader_id >= num_loaders || loader_id < 0) {
403  return -ERANGE;
404  }
405 
406  DetectLoaderControl *loader = &loaders[loader_id];
407 
408  DetectLoaderTask *t = SCCalloc(1, sizeof(*t));
409  if (t == NULL)
410  return -ENOMEM;
411 
412  t->Func = Func;
413  t->ctx = func_ctx;
414 
415  SCMutexLock(&loader->m);
416  TAILQ_INSERT_TAIL(&loader->task_list, t, next);
417  SCMutexUnlock(&loader->m);
418 
420 
421  SCLogDebug("%d %p %p", loader_id, Func, func_ctx);
422  return loader_id;
423 }
424 
425 /** \brief wait for loader tasks to complete
426  * \retval result 0 for ok, -1 for errors */
428 {
429  SCLogDebug("waiting");
430  int errors = 0;
431  int i;
432  for (i = 0; i < num_loaders; i++) {
433  int done = 0;
434  DetectLoaderControl *loader = &loaders[i];
435  while (!done) {
436  SCMutexLock(&loader->m);
437  if (TAILQ_EMPTY(&loader->task_list)) {
438  done = 1;
439  }
440  SCMutexUnlock(&loader->m);
441  }
442  SCMutexLock(&loader->m);
443  if (loader->result != 0) {
444  errors++;
445  loader->result = 0;
446  }
447  SCMutexUnlock(&loader->m);
448 
449  }
450  if (errors) {
451  SCLogError(SC_ERR_INITIALIZATION, "%d loaders reported errors", errors);
452  return -1;
453  }
454  SCLogDebug("done");
455  return 0;
456 }
457 
458 static void DetectLoaderInit(DetectLoaderControl *loader)
459 {
460  memset(loader, 0x00, sizeof(*loader));
461  SCMutexInit(&loader->m, NULL);
462  TAILQ_INIT(&loader->task_list);
463 }
464 
466 {
467  intmax_t setting = NLOADERS;
468  (void)ConfGetInt("multi-detect.loaders", &setting);
469 
470  if (setting < 1 || setting > 1024) {
472  "invalid multi-detect.loaders setting %"PRIdMAX, setting);
473  exit(EXIT_FAILURE);
474  }
475  num_loaders = (int32_t)setting;
476 
477  SCLogInfo("using %d detect loader threads", num_loaders);
478 
479  BUG_ON(loaders != NULL);
480  loaders = SCCalloc(num_loaders, sizeof(DetectLoaderControl));
481  BUG_ON(loaders == NULL);
482 
483  int i;
484  for (i = 0; i < num_loaders; i++) {
485  DetectLoaderInit(&loaders[i]);
486  }
487 }
488 
489 /**
490  * \brief Unpauses all threads present in tv_root
491  */
493 {
494  ThreadVars *tv = NULL;
495  int i = 0;
496 
498  for (i = 0; i < TVT_MAX; i++) {
499  tv = tv_root[i];
500  while (tv != NULL) {
501  if (strncmp(tv->name,"DL#",3) == 0) {
502  BUG_ON(tv->ctrl_cond == NULL);
503  pthread_cond_broadcast(tv->ctrl_cond);
504  }
505  tv = tv->next;
506  }
507  }
509 
510  return;
511 }
512 
513 /**
514  * \brief Unpauses all threads present in tv_root
515  */
517 {
518  ThreadVars *tv = NULL;
519  int i = 0;
520 
522  for (i = 0; i < TVT_MAX; i++) {
523  tv = tv_root[i];
524  while (tv != NULL) {
525  if (strncmp(tv->name,"DL#",3) == 0)
526  TmThreadContinue(tv);
527 
528  tv = tv->next;
529  }
530  }
532 
533  return;
534 }
535 
536 
537 SC_ATOMIC_DECLARE(int, detect_loader_cnt);
538 
539 typedef struct DetectLoaderThreadData_ {
540  uint32_t instance;
542 
543 static TmEcode DetectLoaderThreadInit(ThreadVars *t, const void *initdata, void **data)
544 {
546  if (ftd == NULL)
547  return TM_ECODE_FAILED;
548 
549  ftd->instance = SC_ATOMIC_ADD(detect_loader_cnt, 1) - 1; /* id's start at 0 */
550  SCLogDebug("detect loader instance %u", ftd->instance);
551 
552  /* pass thread data back to caller */
553  *data = ftd;
554 
555  return TM_ECODE_OK;
556 }
557 
558 static TmEcode DetectLoaderThreadDeinit(ThreadVars *t, void *data)
559 {
560  SCFree(data);
561  return TM_ECODE_OK;
562 }
563 
564 
565 static TmEcode DetectLoader(ThreadVars *th_v, void *thread_data)
566 {
567  DetectLoaderThreadData *ftd = (DetectLoaderThreadData *)thread_data;
568  BUG_ON(ftd == NULL);
569 
570  SCLogDebug("loader thread started");
571  while (1)
572  {
573  if (TmThreadsCheckFlag(th_v, THV_PAUSE)) {
577  }
578 
579  /* see if we have tasks */
580 
581  DetectLoaderControl *loader = &loaders[ftd->instance];
582  SCMutexLock(&loader->m);
583 
584  DetectLoaderTask *task = NULL, *tmptask = NULL;
585  TAILQ_FOREACH_SAFE(task, &loader->task_list, next, tmptask) {
586  int r = task->Func(task->ctx, ftd->instance);
587  loader->result |= r;
588  TAILQ_REMOVE(&loader->task_list, task, next);
589  SCFree(task->ctx);
590  SCFree(task);
591  }
592 
593  SCMutexUnlock(&loader->m);
594 
595  if (TmThreadsCheckFlag(th_v, THV_KILL)) {
596  break;
597  }
598 
599  /* just wait until someone wakes us up */
601  SCCtrlCondWait(th_v->ctrl_cond, th_v->ctrl_mutex);
603 
604  SCLogDebug("woke up...");
605  }
606 
607  return TM_ECODE_OK;
608 }
609 
610 /** \brief spawn the detect loader manager thread */
612 {
613  int i;
614  for (i = 0; i < num_loaders; i++) {
615  ThreadVars *tv_loader = NULL;
616 
617  char name[TM_THREAD_NAME_MAX];
618  snprintf(name, sizeof(name), "%s#%02d", thread_name_detect_loader, i+1);
619 
620  tv_loader = TmThreadCreateCmdThreadByName(name,
621  "DetectLoader", 1);
622  BUG_ON(tv_loader == NULL);
623 
624  if (tv_loader == NULL) {
625  printf("ERROR: TmThreadsCreate failed\n");
626  exit(1);
627  }
628  if (TmThreadSpawn(tv_loader) != TM_ECODE_OK) {
629  printf("ERROR: TmThreadSpawn failed\n");
630  exit(1);
631  }
632  }
633  return;
634 }
635 
637 {
638  tmm_modules[TMM_DETECTLOADER].name = "DetectLoader";
639  tmm_modules[TMM_DETECTLOADER].ThreadInit = DetectLoaderThreadInit;
640  tmm_modules[TMM_DETECTLOADER].ThreadDeinit = DetectLoaderThreadDeinit;
641  tmm_modules[TMM_DETECTLOADER].Management = DetectLoader;
644  SCLogDebug("%s registered", tmm_modules[TMM_DETECTLOADER].name);
645 
646  SC_ATOMIC_INIT(detect_loader_cnt);
647 }
Signature * DetectEngineAppendSig(DetectEngineCtx *de_ctx, const char *sigstr)
Parse and append a Signature into the Detection Engine Context signature list.
int rule_engine_analysis_set
void CleanupFPAnalyzer(void)
int PathIsRelative(const char *path)
Check if a path is relative.
Definition: util-path.c:64
#define SCLogDebug(...)
Definition: util-debug.h:335
uint8_t cap_flags
Definition: tm-modules.h:67
int DetectLoadersSync(void)
wait for loader tasks to complete
#define TAILQ_FOREACH(var, head, field)
Definition: queue.h:350
struct HtpBodyChunk_ * next
size_t strlcpy(char *dst, const char *src, size_t siz)
Definition: util-strlcpyu.c:43
Signature loader statistics.
Definition: detect.h:691
#define BUG_ON(x)
uint8_t flags
Definition: tm-modules.h:70
uint32_t id
Definition: detect.h:528
void RetrieveFPForSig(const DetectEngineCtx *de_ctx, Signature *s)
#define unlikely(expr)
Definition: util-optimize.h:35
char config_prefix[64]
Definition: detect.h:852
size_t strlcat(char *, const char *src, size_t siz)
Definition: util-strlcatu.c:45
#define TAILQ_FOREACH_SAFE(var, head, field, tvar)
Definition: queue.h:356
SCCtrlCondT * ctrl_cond
Definition: threadvars.h:107
#define SC_ATOMIC_ADD(name, val)
add a value to our atomic variable
Definition: util-atomic.h:107
uint64_t offset
struct DetectLoaderThreadData_ DetectLoaderThreadData
#define THV_PAUSED
Definition: threadvars.h:38
ThreadVars * TmThreadCreateCmdThreadByName(const char *name, const char *module, int mucond)
Creates and returns the TV instance for a Command thread (CMD). This function supports only custom sl...
Definition: tm-threads.c:1328
char * val
Definition: conf.h:34
void DetectLoaderThreadSpawn(void)
spawn the detect loader manager thread
Signature container.
Definition: detect.h:495
void TmThreadContinue(ThreadVars *tv)
Unpauses a thread.
Definition: tm-threads.c:1997
int rule_reload
#define TRUE
#define SCMutexLock(mut)
const char * sigerror
Definition: detect.h:829
int ConfGet(const char *name, const char **vptr)
Retrieve the value of a configuration node.
Definition: conf.c:331
void SCSigOrderSignatures(DetectEngineCtx *de_ctx)
Orders the signatures.
SCCtrlMutex * ctrl_mutex
Definition: threadvars.h:106
main detection engine ctx
Definition: detect.h:723
void SCSigRegisterSignatureOrderingFuncs(DetectEngineCtx *de_ctx)
Lets you register the Signature ordering functions. The order in which the functions are registered...
int DetectLoaderQueueTask(int loader_id, LoaderFunc Func, void *func_ctx)
void TmThreadsSetFlag(ThreadVars *tv, uint16_t flag)
Set a thread flag.
Definition: tm-threads.c:98
#define SC_ATOMIC_INIT(name)
Initialize the previously declared atomic variable and it&#39;s lock.
Definition: util-atomic.h:81
#define SCCalloc(nm, a)
Definition: util-mem.h:197
int engine_analysis
#define SCMutexUnlock(mut)
int ConfNodeIsSequence(const ConfNode *node)
Check if a node is a sequence or node.
Definition: conf.c:975
SCMutex tv_root_lock
Definition: tm-threads.c:82
TmEcode(* Management)(ThreadVars *, void *)
Definition: tm-modules.h:59
char * rule_file
Definition: detect.h:827
#define TAILQ_INIT(head)
Definition: queue.h:370
void CleanupRuleAnalyzer(void)
struct timeval last_reload
Definition: detect.h:901
#define SCLogError(err_code,...)
Macro used to log ERROR messages.
Definition: util-debug.h:294
struct ThreadVars_ * next
Definition: threadvars.h:111
int SigGroupBuild(DetectEngineCtx *de_ctx)
Convert the signature list into the runtime match structure.
#define TM_FLAG_MANAGEMENT_TM
Definition: tm-modules.h:36
void EngineAnalysisRules(const DetectEngineCtx *de_ctx, const Signature *s, const char *line)
Prints analysis of loaded rules.
void SCSigSignatureOrderingModuleCleanup(DetectEngineCtx *de_ctx)
De-registers all the signature ordering functions registered.
#define TAILQ_REMOVE(head, elm, field)
Definition: queue.h:412
TmEcode(* ThreadDeinit)(ThreadVars *, void *)
Definition: tm-modules.h:49
#define SCEnter(...)
Definition: util-debug.h:337
SigFileLoaderStat sig_stat
Definition: detect.h:904
void DetectParseDupSigHashFree(DetectEngineCtx *de_ctx)
Frees the hash table that is used to cull duplicate sigs.
const char * thread_name_detect_loader
Definition: runmodes.c:69
void TmThreadWakeupDetectLoaderThreads(void)
Unpauses all threads present in tv_root.
void TmThreadsUnsetFlag(ThreadVars *tv, uint16_t flag)
Unset a thread flag.
Definition: tm-threads.c:106
#define SCMutexInit(mut, mutattrs)
#define SCReturnInt(x)
Definition: util-debug.h:341
#define THV_PAUSE
Definition: threadvars.h:37
int SCThresholdConfInitContext(DetectEngineCtx *de_ctx)
Inits the context to be used by the Threshold Config parsing API.
#define THV_KILL
Definition: threadvars.h:39
#define SCLogWarning(err_code,...)
Macro used to log WARNING messages.
Definition: util-debug.h:281
int SigStringAppend(SigFileLoaderStat *sig_stats, const char *sig_file, const char *sig_str, const char *sig_error, int line)
Append a new list member to SigString list.
Definition: util-detect.c:104
#define TAILQ_INSERT_TAIL(head, elm, field)
Definition: queue.h:385
void EngineAnalysisRulesFailure(char *line, char *file, int lineno)
char * DetectLoadCompleteSigPath(const DetectEngineCtx *de_ctx, const char *sig_file)
Create the path if default-rule-path was specified.
Definition: conf.h:32
const char * name
Definition: tm-modules.h:44
void EngineAnalysisFP(const DetectEngineCtx *de_ctx, const Signature *s, char *line)
SC_ATOMIC_DECLARE(int, detect_loader_cnt)
#define SCMalloc(a)
Definition: util-mem.h:166
#define SCLogInfo(...)
Macro used to log INFORMATIONAL messages.
Definition: util-debug.h:254
#define DETECT_MAX_RULE_SIZE
Definition: detect.h:56
#define SCCtrlMutexLock(mut)
#define SCFree(a)
Definition: util-mem.h:228
TmModule tmm_modules[TMM_SIZE]
Definition: tm-modules.h:73
int ConfGetInt(const char *name, intmax_t *val)
Retrieve a configuration value as an integer.
Definition: conf.c:437
void TmModuleDetectLoaderRegister(void)
int failure_fatal
Definition: detect.h:725
int RunmodeGetCurrent(void)
Definition: suricata.c:267
TmEcode(* ThreadInit)(ThreadVars *, const void *, void **)
Definition: tm-modules.h:47
#define TM_THREAD_NAME_MAX
Definition: tm-threads.h:48
int TmThreadsCheckFlag(ThreadVars *tv, uint16_t flag)
Check if a thread flag is set.
Definition: tm-threads.c:90
#define SCCtrlMutexUnlock(mut)
ConfNode * ConfGetNode(const char *name)
Get a ConfNode by name.
Definition: conf.c:176
#define SCStrdup(a)
Definition: util-mem.h:212
char name[16]
Definition: threadvars.h:59
int SetupFPAnalyzer(void)
Sets up the fast pattern analyzer according to the config.
#define NLOADERS
#define TAILQ_EMPTY(head)
Definition: queue.h:347
ThreadVars * tv_root[TVT_MAX]
Definition: tm-threads.c:79
int SigLoadSignatures(DetectEngineCtx *de_ctx, char *sig_file, int sig_file_exclusive)
Load signatures.
uint8_t len
Per thread variable structure.
Definition: threadvars.h:57
void TmThreadContinueDetectLoaderThreads()
Unpauses all threads present in tv_root.
void DetectLoadersInit(void)
struct SCLogConfig_ SCLogConfig
Holds the config state used by the logging api.
TmEcode TmThreadSpawn(ThreadVars *tv)
Spawns a thread associated with the ThreadVars instance tv.
Definition: tm-threads.c:1867
int SetupRuleAnalyzer(void)
Sets up the rule analyzer according to the config.
int(* LoaderFunc)(void *ctx, int loader_id)
#define SCCtrlCondWait
void TmThreadTestThreadUnPaused(ThreadVars *tv)
Tests if the thread represented in the arg has been unpaused or not.
Definition: tm-threads.c:1965