Packet_ Struct Reference

#include <decode.h>

Collaboration diagram for Packet_:

Data Fields
Address	src
Address	dst
union {
Port   sp
struct {
uint8_t   type
uint8_t   code
}   icmp_s
};
union {
Port   dp
struct {
uint8_t   type
uint8_t   code
}   icmp_d
};
uint8_t	proto
uint8_t	recursion_level
uint16_t	vlan_id [2]
uint8_t	vlan_idx
uint8_t	flowflags
uint32_t	flags
struct Flow_ *	flow
uint32_t	flow_hash
struct timeval	ts
union {
NFQPacketVars   nfq_v
IPFWPacketVars   ipfw_v
uint8_t   plugin_v [PLUGIN_VAR_SIZE]
PcapPacketVars   pcap_v
};
void(*	ReleasePacket )(struct Packet_ *)
int(*	BypassPacketsFlow )(struct Packet_ *)
PktVar *	pktvar
EthernetHdr *	ethh
int32_t	level3_comp_csum
int32_t	level4_comp_csum
IPV4Hdr *	ip4h
IPV6Hdr *	ip6h
union {
IPV4Vars   ip4vars
struct {
IPV6Vars   ip6vars
IPV6ExtHdrs   ip6eh
}
};
union {
TCPVars   tcpvars
ICMPV4Vars   icmpv4vars
ICMPV6Vars   icmpv6vars
}	l4vars
TCPHdr *	tcph
UDPHdr *	udph
SCTPHdr *	sctph
ESPHdr *	esph
ICMPV4Hdr *	icmpv4h
ICMPV6Hdr *	icmpv6h
PPPHdr *	ppph
PPPOESessionHdr *	pppoesh
PPPOEDiscoveryHdr *	pppoedh
GREHdr *	greh
uint8_t *	payload
uint16_t	payload_len
uint8_t	action
uint8_t	pkt_src
uint32_t	pktlen
uint8_t *	ext_pkt
struct LiveDevice_ *	livedev
PacketAlerts	alerts
struct Host_ *	host_src
struct Host_ *	host_dst
uint64_t	pcap_cnt
PacketEngineEvents	events
AppLayerDecoderEvents *	app_layer_events
struct Packet_ *	next
struct Packet_ *	prev
int	datalink
struct Packet_ *	root
SCMutex	tunnel_mutex
uint16_t	tunnel_rtv_cnt
uint16_t	tunnel_tpr_cnt
uint32_t	tenant_id
struct PktPool_ *	pool
uint8_t	nb_decoded_layers
PktProfiling *	profile
NapatechPacketVars	ntpv

Detailed Description

Definition at line 415 of file decode.h.

Field Documentation

@33

union { ... }

@35

union { ... }

@37

union { ... }

@39

union { ... }

action

uint8_t Packet_::action

Definition at line 557 of file decode.h.

alerts

PacketAlerts Packet_::alerts

Definition at line 568 of file decode.h.

Referenced by AlertFastLogCondition(), AlertFastLogger(), DetectSignatureApplyActions(), PacketAlertAppend(), PacketAlertCheck(), PacketAlertFinalize(), and PacketAlertRemove().

app_layer_events

AppLayerDecoderEvents* Packet_::app_layer_events

Definition at line 580 of file decode.h.

Referenced by PacketCreateMask().

BypassPacketsFlow

int(* Packet_::BypassPacketsFlow) (struct Packet_ *)

The function triggering bypass the flow in the capture method. Return 1 for success and 0 on error

Definition at line 498 of file decode.h.

Referenced by PacketBypassCallback(), and ReceivePfringLoop().

code

uint8_t Packet_::code

Definition at line 427 of file decode.h.

datalink

int Packet_::datalink

data linktype in host order

Definition at line 587 of file decode.h.

Referenced by DecodeErfDag(), EvePacket(), NapatechDecode(), PacketDefragPktSetup(), PacketTunnelPktSetup(), and StreamTcpPseudoSetup().

dp

Port Packet_::dp

Definition at line 431 of file decode.h.

Referenced by AlertFastLogger(), FlowGetPacketDirection(), IPOnlyMatchPacket(), JsonAddrInfoInit(), TLSGetIPInformations(), and UTHBuildPacketIPV6Real().

dst

Address Packet_::dst

Definition at line 421 of file decode.h.

Referenced by IPOnlyMatchPacket(), TagHashAddTag(), TmqhOutputFlowIPPair(), UTHBuildPacketIPV6Real(), and UTHBuildPacketOfFlows().

esph

ESPHdr* Packet_::esph

Definition at line 539 of file decode.h.

ethh

EthernetHdr* Packet_::ethh

Definition at line 504 of file decode.h.

events

PacketEngineEvents Packet_::events

Definition at line 578 of file decode.h.

Referenced by PacketCreateMask(), PacketUpdateEngineEventCounters(), and SigMatchSignaturesGetSgh().

ext_pkt

uint8_t* Packet_::ext_pkt

Definition at line 563 of file decode.h.

Referenced by PacketCallocExtPkt(), PacketCopyDataOffset(), and PacketSetData().

flags

uint32_t Packet_::flags

Definition at line 451 of file decode.h.

Referenced by CaptureStatsUpdate(), DetectReplaceExecuteInternal(), FlowHandlePacket(), FlowSetupPacket(), IPOnlyMatchPacket(), PacketCreateMask(), PacketDecodeFinalize(), PacketFreeOrRelease(), PacketGetFromAlloc(), PacketSetData(), Prefilter(), SCProfileRuleStart(), StreamTcp(), StreamTcpInlineSegmentReplacePacket(), StreamTcpReassembleAppLayer(), StreamTcpReassembleHandleSegment(), TmqhOutputFlowHash(), TmqhOutputPacketpool(), TmqhOutputSimple(), and UTHAssignFlow().

flow

struct Flow_* Packet_::flow

Definition at line 453 of file decode.h.

Referenced by CreateEveHeader(), DetectEngineInspectPktBufferGeneric(), DetectFlowintMatch(), DetectFlowvarMatch(), DetectRunPrefilterTx(), DetectSignatureApplyActions(), FlowHandlePacket(), JsonBuildFileInfoRecord(), PacketBypassCallback(), StreamTcp(), StreamTcpPacket(), StreamTcpReassembleAppLayer(), StreamTcpReassembleDepthReached(), StreamTcpReassembleHandleSegment(), StreamTcpSessionPktFree(), TagFlowAdd(), TagHandlePacket(), UTHAssignFlow(), and UTHBuildPacketOfFlows().

flow_hash

uint32_t Packet_::flow_hash

Definition at line 457 of file decode.h.

Referenced by FlowGetFlowFromHash(), FlowSetupPacket(), and TmqhOutputFlowHash().

flowflags

uint8_t Packet_::flowflags

Definition at line 447 of file decode.h.

Referenced by AppLayerHandleUdp(), DetectFlowMatch(), FlowHandlePacketUpdate(), JsonBuildFileInfoRecord(), PacketSwap(), SigMatchSignaturesGetSgh(), and StreamTcpReassembleDepthReached().

greh

GREHdr* Packet_::greh

Definition at line 549 of file decode.h.

host_dst

struct Host_* Packet_::host_dst

Definition at line 571 of file decode.h.

host_src

struct Host_* Packet_::host_src

Definition at line 570 of file decode.h.

icmp_d

struct { ... } Packet_::icmp_d

Referenced by DecodeICMPV4(), and DecodeICMPV6().

icmp_s

struct { ... } Packet_::icmp_s

Referenced by AlertFastLogger(), DecodeICMPV4(), DecodeICMPV6(), and FlowInit().

icmpv4h

ICMPV4Hdr* Packet_::icmpv4h

Definition at line 541 of file decode.h.

Referenced by DecodeICMPV4(), and FlowInit().

icmpv4vars

ICMPV4Vars Packet_::icmpv4vars

Definition at line 526 of file decode.h.

Referenced by DecodeICMPV4().

icmpv6h

ICMPV6Hdr* Packet_::icmpv6h

Definition at line 543 of file decode.h.

Referenced by DecodeICMPV6().

icmpv6vars

ICMPV6Vars Packet_::icmpv6vars

Definition at line 527 of file decode.h.

ip4h

IPV4Hdr* Packet_::ip4h

Definition at line 511 of file decode.h.

Referenced by UTHFreePacket().

ip4vars

IPV4Vars Packet_::ip4vars

Definition at line 517 of file decode.h.

ip6eh

IPV6ExtHdrs Packet_::ip6eh

Definition at line 520 of file decode.h.

Referenced by DecodeIPV6FragHeader().

ip6h

IPV6Hdr* Packet_::ip6h

Definition at line 513 of file decode.h.

Referenced by UTHBuildPacketIPV6Real().

ip6vars

IPV6Vars Packet_::ip6vars

Definition at line 519 of file decode.h.

ipfw_v

IPFWPacketVars Packet_::ipfw_v

Definition at line 470 of file decode.h.

l4vars

union { ... } Packet_::l4vars

level3_comp_csum

int32_t Packet_::level3_comp_csum

Definition at line 507 of file decode.h.

level4_comp_csum

int32_t Packet_::level4_comp_csum

Definition at line 509 of file decode.h.

livedev

struct LiveDevice_* Packet_::livedev

Definition at line 566 of file decode.h.

Referenced by FlowInit(), PacketDefragPktSetup(), and PacketTunnelPktSetup().

nb_decoded_layers

uint8_t Packet_::nb_decoded_layers

Definition at line 617 of file decode.h.

next

struct Packet_* Packet_::next

Definition at line 583 of file decode.h.

Referenced by TmThreadDumpThreads().

nfq_v

NFQPacketVars Packet_::nfq_v

Definition at line 467 of file decode.h.

ntpv

NapatechPacketVars Packet_::ntpv

Definition at line 623 of file decode.h.

payload

uint8_t* Packet_::payload

Definition at line 553 of file decode.h.

Referenced by DecodeICMPV6(), DetectEngineInspectPacketPayload(), StreamTcpInlineSegmentCompare(), StreamTcpInlineSegmentReplacePacket(), StreamTcpUTAddSegmentWithByte(), StreamTcpUTAddSegmentWithPayload(), and UTHBuildPacketIPV6Real().

payload_len

uint16_t Packet_::payload_len

Definition at line 554 of file decode.h.

Referenced by DecodeICMPV6(), DetectEngineInspectPacketPayload(), PacketCreateMask(), Prefilter(), StreamTcpInlineSegmentCompare(), StreamTcpInlineSegmentReplacePacket(), StreamTcpReassembleHandleSegment(), StreamTcpUTAddSegmentWithByte(), StreamTcpUTAddSegmentWithPayload(), and UTHBuildPacketIPV6Real().

pcap_cnt

uint64_t Packet_::pcap_cnt

packet number in the pcap file, matches wireshark

Definition at line 574 of file decode.h.

Referenced by AlertFastLogger(), FlowHandlePacketUpdate(), StreamReassembleRawUpdateProgress(), StreamTcp(), and StreamTcpPacket().

pcap_v

PcapPacketVars Packet_::pcap_v

libpcap vars: shared by Pcap Live mode and Pcap File mode

Definition at line 491 of file decode.h.

pkt_src

uint8_t Packet_::pkt_src

Definition at line 559 of file decode.h.

pktlen

uint32_t Packet_::pktlen

Definition at line 562 of file decode.h.

pktvar

PktVar* Packet_::pktvar

Definition at line 501 of file decode.h.

Referenced by EveAddMetadata(), PktVarAdd(), PktVarAddKeyValue(), and PktVarGet().

plugin_v

uint8_t Packet_::plugin_v[PLUGIN_VAR_SIZE]

Definition at line 488 of file decode.h.

pool

struct PktPool_* Packet_::pool

Definition at line 612 of file decode.h.

ppph

PPPHdr* Packet_::ppph

Definition at line 545 of file decode.h.

pppoedh

PPPOEDiscoveryHdr* Packet_::pppoedh

Definition at line 547 of file decode.h.

Referenced by DecodePPPOEDiscovery().

pppoesh

PPPOESessionHdr* Packet_::pppoesh

Definition at line 546 of file decode.h.

Referenced by DecodePPPOESession().

prev

struct Packet_* Packet_::prev

Definition at line 584 of file decode.h.

profile

PktProfiling* Packet_::profile

Definition at line 620 of file decode.h.

Referenced by SCProfileRuleStart(), and SCProfilingAddPacket().

proto

uint8_t Packet_::proto

Definition at line 438 of file decode.h.

Referenced by DecodeICMPV4(), DecodeICMPV6(), DetectEngineInspectStream(), FlowGetPacketDirection(), FlowInit(), IPOnlyMatchPacket(), JsonAddrInfoInit(), SigMatchSignaturesGetSgh(), StreamSegmentForEach(), StreamTcpPseudoSetup(), TcpSessionPacketSsnReuse(), UTHBuildPacketIPV6Real(), and UTHFreePacket().

recursion_level

uint8_t Packet_::recursion_level

Definition at line 441 of file decode.h.

Referenced by FlowInit(), PacketDefragPktSetup(), PacketTunnelPktSetup(), and StreamTcpPseudoSetup().

ReleasePacket

void(* Packet_::ReleasePacket) (struct Packet_ *)

The release function for packet structure and data

Definition at line 495 of file decode.h.

Referenced by PacketGetFromAlloc(), and TmqhOutputPacketpool().

root

struct Packet_* Packet_::root

Definition at line 590 of file decode.h.

Referenced by PacketDefragPktSetup(), PacketTunnelPktSetup(), StreamTcpPseudoSetup(), TmqhOutputPacketpool(), and TmqhOutputSimple().

sctph

SCTPHdr* Packet_::sctph

Definition at line 537 of file decode.h.

sp

Port Packet_::sp

Definition at line 423 of file decode.h.

Referenced by AlertFastLogger(), FlowGetPacketDirection(), IPOnlyMatchPacket(), JsonAddrInfoInit(), TLSGetIPInformations(), and UTHBuildPacketIPV6Real().

src

Address Packet_::src

Definition at line 420 of file decode.h.

Referenced by FlowGetPacketDirection(), IPOnlyMatchPacket(), TagHashAddTag(), TmqhOutputFlowIPPair(), UTHBuildPacketIPV6Real(), and UTHBuildPacketOfFlows().

tcph

TCPHdr* Packet_::tcph

Definition at line 533 of file decode.h.

Referenced by FlowInit(), PacketCreateMask(), ReCalculateChecksum(), StreamTcpReassembleHandleSegment(), StreamTcpUTAddPayload(), StreamTcpUTAddSegmentWithByte(), StreamTcpUTAddSegmentWithPayload(), TcpSessionPacketSsnReuse(), UTHBuildPacketIPV6Real(), and UTHFreePacket().

tcpvars

TCPVars Packet_::tcpvars

Definition at line 525 of file decode.h.

tenant_id

uint32_t Packet_::tenant_id

tenant id for this packet, if any. If 0 then no tenant was assigned.

Definition at line 607 of file decode.h.

Referenced by AlertJsonHeader(), Detect(), PacketDefragPktSetup(), and PacketTunnelPktSetup().

ts

struct timeval Packet_::ts

Definition at line 457 of file decode.h.

Referenced by AlertFastLogger(), CreateEveHeader(), FlowHandlePacketUpdate(), PacketDefragPktSetup(), PacketTunnelPktSetup(), StreamTcpPseudoSetup(), and UTHBuildPacketIPV6Real().

tunnel_mutex

SCMutex Packet_::tunnel_mutex

mutex to protect access to:

• tunnel_rtv_cnt
• tunnel_tpr_cnt

Definition at line 600 of file decode.h.

Referenced by TmqhOutputPacketpool().

tunnel_rtv_cnt

uint16_t Packet_::tunnel_rtv_cnt

Definition at line 602 of file decode.h.

tunnel_tpr_cnt

uint16_t Packet_::tunnel_tpr_cnt

Definition at line 604 of file decode.h.

type

uint8_t Packet_::type

Definition at line 426 of file decode.h.

udph

UDPHdr* Packet_::udph

Definition at line 535 of file decode.h.

Referenced by FlowInit(), and UTHFreePacket().

vlan_id

uint16_t Packet_::vlan_id[2]

Definition at line 443 of file decode.h.

Referenced by DecodeVLANGetId(), FlowInit(), and PacketDefragPktSetup().

vlan_idx

uint8_t Packet_::vlan_idx

Definition at line 444 of file decode.h.

Referenced by DecodePfring(), DecodeVLAN(), DecodeVLANGetId(), FlowInit(), and PacketDefragPktSetup().

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The documentation for this struct was generated from the following file:

• src/decode.h