#include "suricata-common.h"
#include "suricata.h"
#include "conf.h"
#include "conf-yaml-loader.h"
#include "decode.h"
#include "defrag.h"
#include "flow.h"
#include "stream-tcp.h"
#include "ippair.h"
#include "detect.h"
#include "detect-parse.h"
#include "detect-engine.h"
#include "detect-engine-address.h"
#include "detect-engine-alert.h"
#include "detect-engine-port.h"
#include "detect-engine-tag.h"
#include "detect-engine-threshold.h"
#include "detect-fast-pattern.h"
#include "datasets.h"
#include "feature.h"
#include "flow-bypass.h"
#include "flow-manager.h"
#include "flow-timeout.h"
#include "flow-worker.h"
#include "flow-bit.h"
#include "host-bit.h"
#include "ippair-bit.h"
#include "app-layer.h"
#include "app-layer-parser.h"
#include "app-layer-htp.h"
#include "app-layer-htp-range.h"
#include "output.h"
#include "output-filestore.h"
#include "respond-reject.h"
#include "runmode-af-packet.h"
#include "runmode-af-xdp.h"
#include "runmode-netmap.h"
#include "runmode-unittests.h"
#include "source-nfq.h"
#include "source-nfq-prototypes.h"
#include "source-nflog.h"
#include "source-ipfw.h"
#include "source-pcap.h"
#include "source-pcap-file.h"
#include "source-pcap-file-helper.h"
#include "source-erf-file.h"
#include "source-erf-dag.h"
#include "source-af-packet.h"
#include "source-af-xdp.h"
#include "source-netmap.h"
#include "source-dpdk.h"
#include "source-windivert.h"
#include "source-windivert-prototypes.h"
#include "unix-manager.h"
#include "util-classification-config.h"
#include "util-threshold-config.h"
#include "util-reference-config.h"
#include "tmqh-packetpool.h"
#include "tm-queuehandlers.h"
#include "util-byte.h"
#include "util-conf.h"
#include "util-coredump-config.h"
#include "util-cpu.h"
#include "util-daemon.h"
#include "util-device.h"
#include "util-dpdk.h"
#include "util-ebpf.h"
#include "util-exception-policy.h"
#include "util-host-os-info.h"
#include "util-hugepages.h"
#include "util-ioctl.h"
#include "util-landlock.h"
#include "util-macset.h"
#include "util-misc.h"
#include "util-mpm-hs.h"
#include "util-path.h"
#include "util-pidfile.h"
#include "util-plugin.h"
#include "util-privs.h"
#include "util-profiling.h"
#include "util-proto-name.h"
#include "util-running-modes.h"
#include "util-signal.h"
#include "util-time.h"
#include "util-validate.h"
#include "util-var-name.h"
#include "build-info.h"

Macros
#define	DEFAULT_MAX_PENDING_PACKETS 1024

Functions
	SC_ATOMIC_DECLARE (unsigned int, engine_stage)

int	SuriHasSigFile (void)

int	EngineModeIsUnknown (void)

int	EngineModeIsIPS (void)

int	EngineModeIsIDS (void)

void	EngineModeSetIPS (void)

void	EngineModeSetIDS (void)

int	RunmodeIsUnittests (void)

int	SCRunmodeGet (void)
	Get the current run mode. More...

void	SCRunmodeSet (int run_mode)
	Set the current run mode. More...

void	GlobalsInitPreConfig (void)

void	GlobalsDestroy (void)

void	EngineStop (void)
	make sure threads can stop the engine by calling this function. Purpose: pcap file mode needs to be able to tell the engine the file eof is reached. More...

void	EngineDone (void)
	Used to indicate that the current task is done. More...

void	RegisterAllModules (void)

TmEcode	SCLoadYamlConfig (void)

const char *	GetDocURL (void)

const char *	GetProgramVersion (void)
	get string with program version More...

TmEcode	SCParseCommandLine (int argc, char **argv)

void	PreRunInit (const int runmode)

void	PreRunPostPrivsDropInit (const int runmode)

void	PostRunDeinit (const int runmode, struct timeval *start_time)
	clean up / shutdown code for packet modes More...

int	SCStartInternalRunMode (int argc, char **argv)

int	SCFinalizeRunMode (void)

void	PostConfLoadedDetectSetup (SCInstance *suri)

int	PostConfLoadedSetup (SCInstance *suri)

void	SuricataMainLoop (void)

int	InitGlobal (void)
	Global initialization common to all runmodes. More...

void	SuricataPreInit (const char *progname)

void	SuricataInit (void)

void	SuricataShutdown (void)

void	SuricataPostInit (void)

Variables
volatile sig_atomic_t	sigint_count = 0

volatile sig_atomic_t	sighup_count = 0

volatile sig_atomic_t	sigterm_count = 0

volatile sig_atomic_t	sigusr2_count = 0

volatile uint8_t	suricata_ctl_flags = 0

uint8_t	host_mode = SURI_HOST_IS_SNIFFER_ONLY

uint32_t	max_pending_packets

int	g_detect_disabled = 0

bool	sc_set_caps = false

bool	g_system = false

int	g_disable_randomness = 0

uint16_t	g_vlan_mask = 0xffff

uint16_t	g_livedev_mask = 0xffff

uint8_t	g_recurlvl_mask = 0xff

bool	g_disable_hashing = false

SystemHugepageSnapshot *	prerun_snap = NULL

bool	g_stats_eps_per_app_proto_errors = false

SCInstance	suricata

int	coverage_unittests

int	g_ut_modules

int	g_ut_covered

int	g_skip_prefilter

Detailed Description

Author: Victor Julien victo.nosp@m.r@in.nosp@m.linia.nosp@m.c.ne.nosp@m.t

Definition in file suricata.c.

Macro Definition Documentation

◆ DEFAULT_MAX_PENDING_PACKETS

#define DEFAULT_MAX_PENDING_PACKETS 1024

Definition at line 167 of file suricata.c.

Function Documentation

◆ EngineDone()

void EngineDone ( void )

Used to indicate that the current task is done.

This is mainly used by pcap-file to tell it has finished to treat a pcap files when running in unix-socket mode.

Definition at line 460 of file suricata.c.

References suricata_ctl_flags, and SURICATA_DONE.

◆ EngineModeIsIDS()

int EngineModeIsIDS ( void )

Definition at line 238 of file suricata.c.

References DEBUG_VALIDATE_BUG_ON.

◆ EngineModeIsIPS()

int EngineModeIsIPS ( void )

Definition at line 232 of file suricata.c.

References DEBUG_VALIDATE_BUG_ON.

Referenced by AlertJsonHeader(), CaptureStatsSetup(), CaptureStatsUpdate(), EveAddVerdict(), ExceptionPolicyParse(), FlowHandlePacketUpdate(), and StreamTcpInitConfig().

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◆ EngineModeIsUnknown()

int EngineModeIsUnknown ( void )

Definition at line 227 of file suricata.c.

Referenced by PostConfLoadedSetup().

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◆ EngineModeSetIDS()

void EngineModeSetIDS ( void )

Definition at line 249 of file suricata.c.

Referenced by ListAppLayerProtocols(), ListKeywords(), LLVMFuzzerTestOneInput(), PostConfLoadedSetup(), and RunUnittests().

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◆ EngineModeSetIPS()

void EngineModeSetIPS ( void )

Definition at line 244 of file suricata.c.

◆ EngineStop()

void EngineStop ( void )

make sure threads can stop the engine by calling this function. Purpose: pcap file mode needs to be able to tell the engine the file eof is reached.

Definition at line 449 of file suricata.c.

References suricata_ctl_flags, and SURICATA_STOP.

Referenced by ReceiveErfFileLoop().

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◆ GetDocURL()

const char* GetDocURL ( void )

Definition at line 1111 of file suricata.c.

References DOC_URL, GetProgramVersion(), and PROG_VER.

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◆ GetProgramVersion()

const char* GetProgramVersion ( void )

get string with program version

Get the program version as passed to us from AC_INIT

Add 'RELEASE' is no '-dev' in the version. Add the REVISION if passed to us.

Possible outputs: release: '5.0.1 RELEASE' dev with rev: '5.0.1-dev (64a789bbf 2019-10-18)' dev w/o rev: '5.0.1-dev'

Definition at line 1132 of file suricata.c.

References PROG_VER, REVISION, and xstr.

Referenced by GetDocURL().

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◆ GlobalsDestroy()

void GlobalsDestroy ( void )

Definition at line 370 of file suricata.c.

References AFPPeersListClean(), AppLayerDeSetup(), AppLayerHtpPrintStats(), ConfDeInit(), DatasetsDestroy(), DatasetsSave(), de_ctx, DetectEngineClearMaster(), DetectEngineDeReference(), DetectEngineGetCurrent(), DetectEngineMoveToFreeList(), DetectParseFreeRegexes(), DPDKCleanupEAL(), FeatureTrackingRelease(), HostShutdown(), HTPAtExitPrintStats(), HTPFreeConfig(), LiveDeviceListClean(), MpmHSGlobalCleanup(), NFQContextsClean(), OutputDeregisterAll(), OutputTxShutdown(), ParseSizeDeinit(), SCInstance_::pid_filename, SCFree, SCLogDeInitLogModule(), SCPidfileRemove(), SCProtoNameRelease(), SigTableCleanup(), suricata, TagDestroyCtx(), ThresholdDestroy(), TimeDeinit(), TmModuleRunDeInit(), TmqhCleanup(), and VarNameStoreDestroy().

Referenced by main().

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◆ GlobalsInitPreConfig()

void GlobalsInitPreConfig ( void )

Definition at line 362 of file suricata.c.

References SCProtoNameInit(), SCThresholdConfGlobalInit(), SupportFastPatternForSigMatchTypes(), and TimeInit().

Referenced by LLVMFuzzerTestOneInput(), RunUnittests(), and SuricataInit().

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◆ InitGlobal()

int InitGlobal ( void )

Global initialization common to all runmodes.

This can be used by fuzz targets.

Definition at line 2855 of file suricata.c.

References ConfInit(), ParseSizeInit(), RunModeRegisterRunModes(), SC_ATOMIC_INIT, SCLogError, SCLogInitLogModule(), SCSetThreadName, suricata_context, tmm_modules, TMM_SIZE, UtilSignalBlock(), UtilSignalHandlerSetup(), and VarNameStoreInit().

Referenced by LLVMFuzzerTestOneInput().

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◆ PostConfLoadedDetectSetup()

void PostConfLoadedDetectSetup ( SCInstance * suri )

Definition at line 2532 of file suricata.c.

References de_ctx, and SCInstance_::disabled_detect.

◆ PostConfLoadedSetup()

int PostConfLoadedSetup ( SCInstance * suri )

This function is meant to contain code that needs to be run once the configuration has been loaded.

Definition at line 2623 of file suricata.c.

References AppLayerSetup(), SCInstance_::capture_plugin_args, SCInstance_::capture_plugin_name, SCInstance_::checksum_validation, ConfGet(), ConfGetBool(), ConfGetNode(), ConfNodeChildValueIsTrue(), ConfSet(), EngineModeIsUnknown(), EngineModeSetIDS(), FatalError, FeatureTrackingRegister(), g_stats_eps_per_app_proto_errors, LiveDeviceFinalize(), LiveDevRegisterExtension(), LiveSetOffloadDisable(), LiveSetOffloadWarn(), MacSetRegisterFlowStorage(), MpmTableSetup(), RegisterFlowBypassInfo(), SCInstance_::run_mode, RUNMODE_AFP_DEV, SCInstance_::runmode_custom_mode, RunModeEngineIsIPS(), SCLogInfo, SCPluginsLoad(), SetMasterExceptionPolicy(), SigTableInit(), SpmTableSetup(), StorageInit(), StringParseUint16(), and suricata.

Referenced by LLVMFuzzerTestOneInput().

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◆ PostRunDeinit()

void PostRunDeinit	(	const int	runmode,
		struct timeval *	start_time
	)

clean up / shutdown code for packet modes

Shuts down packet modes, so regular packet runmodes and the per pcap mode in the unix socket.

Definition at line 2260 of file suricata.c.

References FlowDisableFlowManagerThread(), FlowWorkToDoCleanup(), PacketPoolInit(), RUNMODE_UNIX_SOCKET, TmThreadDisablePacketThreads(), TmThreadDisableReceiveThreads(), and TmThreadsUnsealThreads().

Referenced by SuricataShutdown().

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◆ PreRunInit()

void PreRunInit ( const int runmode )

Definition at line 2215 of file suricata.c.

References AppLayerParserPostStreamSetup(), AppLayerRegisterGlobalCounters(), DefragInit(), FLOW_QUIET, FlowInitConfig(), HttpRangeContainersInit(), IPPairInitConfig(), OutputFilestoreRegisterGlobalCounters(), RUNMODE_UNIX_SOCKET, SCProfilingInit(), SCProfilingKeywordsGlobalInit(), SCProfilingPrefilterGlobalInit(), SCProfilingSghsGlobalInit(), StatsInit(), STREAM_VERBOSE, and StreamTcpInitConfig().

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◆ PreRunPostPrivsDropInit()

void PreRunPostPrivsDropInit ( const int runmode )

Definition at line 2244 of file suricata.c.

References DatasetsInit(), RUNMODE_UNIX_SOCKET, RunModeInitializeOutputs(), StatsSetupPostConfigPostOutput(), and StatsSetupPostConfigPreOutput().

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◆ RegisterAllModules()

void RegisterAllModules ( void )

Definition at line 896 of file suricata.c.

Referenced by RunUnittests().

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◆ RunmodeIsUnittests()

int RunmodeIsUnittests ( void )

Definition at line 255 of file suricata.c.

References SCInstance_::run_mode, RUNMODE_UNITTEST, and suricata.

Referenced by AppLayerParserConfParserEnabled(), AppLayerProtoDetectConfProtoDetectionEnabledDefault(), DetectEngineThreadCtxInit(), RegisterDNP3Parsers(), RegisterTFTPParsers(), StreamTcpDecrMemuse(), StreamTcpInitConfig(), StreamTcpReassembleDecrMemuse(), StreamTcpThreadCacheReturnSegment(), and StreamTcpThreadCacheReturnSession().

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◆ SC_ATOMIC_DECLARE()

SC_ATOMIC_DECLARE	(	unsigned int	,
		engine_stage
	)

◆ SCFinalizeRunMode()

int SCFinalizeRunMode ( void )

Definition at line 2365 of file suricata.c.

References SCInstance_::run_mode, RUNMODE_UNKNOWN, and suricata.

Referenced by main().

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◆ SCLoadYamlConfig()

TmEcode SCLoadYamlConfig ( void )

Definition at line 958 of file suricata.c.

References SCInstance_::additional_configs, SCInstance_::conf_filename, ConfGetRootNode(), ConfYamlHandleInclude(), ConfYamlLoadFile(), DEFAULT_CONF_FILE, SCEnter, SCReturnInt, suricata, TM_ECODE_FAILED, and TM_ECODE_OK.

Referenced by main().

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◆ SCParseCommandLine()

TmEcode SCParseCommandLine	(	int	argc,
		char **	argv
	)

Definition at line 1315 of file suricata.c.

References SCInstance_::capture_plugin_args, SCInstance_::capture_plugin_name, ConfSetFinal(), coverage_unittests, engine_analysis, g_disable_randomness, g_skip_prefilter, g_ut_covered, g_ut_modules, LiveRegisterDeviceName(), name, SCInstance_::pcap_dev, SCInstance_::run_mode, RUNMODE_PLUGIN, SCLogError, strlcpy(), suricata, TM_ECODE_FAILED, and TM_ECODE_OK.

Referenced by main().

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◆ SCRunmodeGet()

int SCRunmodeGet ( void )

Get the current run mode.

Definition at line 264 of file suricata.c.

References SCInstance_::run_mode, and suricata.

Referenced by ConfUnixSocketIsEnable(), DPDKCleanupEAL(), DPDKCloseDevice(), DPDKFreeDevice(), RunModeGetMainMode(), and SigLoadSignatures().

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◆ SCRunmodeSet()

void SCRunmodeSet ( int run_mode )

Set the current run mode.

Mainly exposed outside of suricata.c as a unit-test helper.

Definition at line 269 of file suricata.c.

References SCInstance_::run_mode, and suricata.

Referenced by LLVMFuzzerTestOneInput().

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◆ SCStartInternalRunMode()

int SCStartInternalRunMode	(	int	argc,
		char **	argv
	)

Definition at line 2309 of file suricata.c.

References SCInstance_::conf_filename, DEFAULT_CONF_FILE, SCInstance_::keyword_info, ListAppLayerProtocols(), ListKeywords(), SCInstance_::run_mode, RUNMODE_LIST_APP_LAYERS, RUNMODE_LIST_KEYWORDS, RUNMODE_PRINT_VERSION, and suricata.

Referenced by main().

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◆ SuricataInit()

void SuricataInit ( void )

Definition at line 2901 of file suricata.c.

References ConfDump(), ConfGetBool(), g_livedev_mask, g_recurlvl_mask, g_vlan_mask, GlobalsInitPreConfig(), SCInstance_::run_mode, RUNMODE_DUMP_CONFIG, SCLogDebug, and suricata.

Referenced by main().

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◆ SuricataMainLoop()

void SuricataMainLoop ( void )

Definition at line 2812 of file suricata.c.

References DetectEngineReload(), DetectEngineReloadIsStart(), DetectEngineReloadSetIdle(), DetectEngineReloadStart(), OutputNotifyFileRotation(), SCLogNotice, sighup_count, sigint_count, sigterm_count, sigusr2_count, suricata, suricata_ctl_flags, SURICATA_STOP, and TmThreadCheckThreadState().

Referenced by main().

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◆ SuricataPostInit()

void SuricataPostInit ( void )

Definition at line 2998 of file suricata.c.

References ConfGetBool(), FatalError, geteuid, PacketPoolPostRunmodes(), prerun_snap, SC_ATOMIC_SET, SCLogWarning, SURICATA_RUNTIME, SystemHugepageSnapshotDestroy(), TM_ECODE_FAILED, TM_ECODE_OK, TmThreadContinueThreads(), TmThreadWaitOnThreadInit(), and TmThreadWaitOnThreadRunning().

Referenced by main().

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◆ SuricataPreInit()

void SuricataPreInit ( const char * progname )

Definition at line 2892 of file suricata.c.

Referenced by main().

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◆ SuricataShutdown()

void SuricataShutdown ( void )

Definition at line 2987 of file suricata.c.

References PostRunDeinit(), SCInstance_::run_mode, SC_ATOMIC_SET, SCInstance_::start_time, suricata, SURICATA_DEINIT, TmThreadKillThreads(), and UnixSocketKillSocketThread().

Referenced by main().

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◆ SuriHasSigFile()

int SuriHasSigFile ( void )

Definition at line 222 of file suricata.c.

References SCInstance_::sig_file, and suricata.

Variable Documentation

◆ coverage_unittests

int coverage_unittests

Definition at line 892 of file suricata.c.

Referenced by SCParseCommandLine(), SigTableRegisterTests(), and TmModuleRegisterTests().

◆ g_detect_disabled

int g_detect_disabled = 0

global indicating if detection is enabled

Definition at line 183 of file suricata.c.

◆ g_disable_hashing

bool g_disable_hashing = false

Definition at line 211 of file suricata.c.

Referenced by FileForceHashParseCfg(), SSLEnableJA3(), and SSLEnableJA4().

◆ g_disable_randomness

int g_disable_randomness = 0

disable randomness to get reproducible results across runs

Definition at line 192 of file suricata.c.

Referenced by RandomGet(), and SCParseCommandLine().

◆ g_livedev_mask

uint16_t g_livedev_mask = 0xffff

determine (without branching) if we include the livedev ids when hashing or comparing flows

Definition at line 203 of file suricata.c.

Referenced by FlowKeyGetHash(), and SuricataInit().

◆ g_recurlvl_mask

uint8_t g_recurlvl_mask = 0xff

determine (without branching) if we include the recursion levels when hashing or comparing flows

Definition at line 207 of file suricata.c.

Referenced by FlowKeyGetHash(), and SuricataInit().

◆ g_skip_prefilter

int g_skip_prefilter

Definition at line 1072 of file detect-engine-mpm.c.

Referenced by RetrieveFPForSig(), and SCParseCommandLine().

◆ g_stats_eps_per_app_proto_errors

bool g_stats_eps_per_app_proto_errors = false

add per-proto app-layer error counters for exception policies stats? disabled by default

Definition at line 217 of file suricata.c.

Referenced by PostConfLoadedSetup().

◆ g_system

bool g_system = false

Definition at line 188 of file suricata.c.

◆ g_ut_covered

int g_ut_covered

Definition at line 894 of file suricata.c.

Referenced by SCParseCommandLine(), SigTableRegisterTests(), and TmModuleRegisterTests().

◆ g_ut_modules

int g_ut_modules

Definition at line 893 of file suricata.c.

Referenced by MpmRegisterTests(), SCParseCommandLine(), SigTableRegisterTests(), and TmModuleRegisterTests().

◆ g_vlan_mask

uint16_t g_vlan_mask = 0xffff

determine (without branching) if we include the vlan_ids when hashing or comparing flows

Definition at line 199 of file suricata.c.

Referenced by FlowKeyGetHash(), and SuricataInit().

◆ host_mode

uint8_t host_mode = SURI_HOST_IS_SNIFFER_ONLY

Host mode: set if box is sniffing only or is a router

Definition at line 177 of file suricata.c.

◆ prerun_snap

SystemHugepageSnapshot* prerun_snap = NULL

Definition at line 214 of file suricata.c.

Referenced by SuricataPostInit().

◆ sc_set_caps

bool sc_set_caps = false

set caps or not

Definition at line 186 of file suricata.c.

◆ sighup_count

volatile sig_atomic_t sighup_count = 0

Definition at line 154 of file suricata.c.

Referenced by SuricataMainLoop().

◆ sigint_count

volatile sig_atomic_t sigint_count = 0

Definition at line 153 of file suricata.c.

Referenced by SuricataMainLoop().

◆ sigterm_count

volatile sig_atomic_t sigterm_count = 0

Definition at line 155 of file suricata.c.

Referenced by SuricataMainLoop().

◆ sigusr2_count

volatile sig_atomic_t sigusr2_count = 0

Definition at line 156 of file suricata.c.

Referenced by SuricataMainLoop().

◆ suricata

SCInstance suricata

Suricata instance

Definition at line 220 of file suricata.c.

Referenced by GlobalsDestroy(), PostConfLoadedSetup(), RunmodeIsUnittests(), SCFinalizeRunMode(), SCLoadYamlConfig(), SCParseCommandLine(), SCRunmodeGet(), SCRunmodeSet(), SCStartInternalRunMode(), SuricataInit(), SuricataMainLoop(), SuricataShutdown(), and SuriHasSigFile().

◆ suricata_ctl_flags

volatile uint8_t suricata_ctl_flags = 0

suricata engine control flags

Definition at line 169 of file suricata.c.

Referenced by EngineDone(), EngineStop(), ReceiveErfDagLoop(), ReceiveErfFileLoop(), and SuricataMainLoop().

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ DEFAULT_MAX_PENDING_PACKETS

Function Documentation

◆ EngineDone()

◆ EngineModeIsIDS()

◆ EngineModeIsIPS()

◆ EngineModeIsUnknown()

◆ EngineModeSetIDS()

◆ EngineModeSetIPS()

◆ EngineStop()

◆ GetDocURL()

◆ GetProgramVersion()

◆ GlobalsDestroy()

◆ GlobalsInitPreConfig()

◆ InitGlobal()

◆ PostConfLoadedDetectSetup()

◆ PostConfLoadedSetup()

◆ PostRunDeinit()

◆ PreRunInit()

◆ PreRunPostPrivsDropInit()

◆ RegisterAllModules()

◆ RunmodeIsUnittests()

◆ SC_ATOMIC_DECLARE()

◆ SCFinalizeRunMode()

◆ SCLoadYamlConfig()

◆ SCParseCommandLine()

◆ SCRunmodeGet()

◆ SCRunmodeSet()

◆ SCStartInternalRunMode()

◆ SuricataInit()

◆ SuricataMainLoop()

◆ SuricataPostInit()

◆ SuricataPreInit()

◆ SuricataShutdown()

◆ SuriHasSigFile()

Variable Documentation

◆ coverage_unittests

◆ g_detect_disabled

◆ g_disable_hashing

◆ g_disable_randomness

◆ g_livedev_mask

◆ g_recurlvl_mask

◆ g_skip_prefilter

◆ g_stats_eps_per_app_proto_errors

◆ g_system

◆ g_ut_covered

◆ g_ut_modules

◆ g_vlan_mask

◆ host_mode

◆ prerun_snap

◆ sc_set_caps

◆ sighup_count

◆ sigint_count

◆ sigterm_count

◆ sigusr2_count

◆ suricata

◆ suricata_ctl_flags