source-pcap-file-helper.h File Reference

#include "suricata-common.h"
#include "tm-threads.h"

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Data Structures
struct	PcapFileGlobalVars_
struct	PcapFileSharedVars_
struct	PcapFileFileVars_

Typedefs
typedef struct PcapFileGlobalVars_	PcapFileGlobalVars
typedef struct PcapFileSharedVars_	PcapFileSharedVars
typedef struct PcapFileFileVars_	PcapFileFileVars

Functions
TmEcode	PcapFileDispatch (PcapFileFileVars *ptv)
	Main PCAP file reading Loop function. More...
TmEcode	InitPcapFile (PcapFileFileVars *pfv)
void	CleanupPcapFileFileVars (PcapFileFileVars *pfv)
TmEcode	ValidateLinkType (int datalink, DecoderFunc *decoder)

Detailed Description

Author

Danny Browning danny.nosp@m..bro.nosp@m.wning.nosp@m.@pro.nosp@m.tectw.nosp@m.ise..nosp@m.com

Definition in file source-pcap-file-helper.h.

Typedef Documentation

PcapFileFileVars

typedef struct PcapFileFileVars_ PcapFileFileVars

Data specific to a single pcap file

PcapFileGlobalVars

typedef struct PcapFileGlobalVars_ PcapFileGlobalVars

PcapFileSharedVars

typedef struct PcapFileSharedVars_ PcapFileSharedVars

Data that is shared amongst File, Directory, and Thread level vars

Function Documentation

CleanupPcapFileFileVars()

void CleanupPcapFileFileVars

(

PcapFileFileVars *

pfv

)

Cleanup resources associated with a PcapFileFileVars object.

Parameters

pfv	Object to be cleaned up

Definition at line 36 of file source-pcap-file-helper.c.

References PcapFileFileVars_::filename, PcapFileFileVars_::pcap_handle, SC_ERR_PCAP_FILE_DELETE_FAILED, SCFree, SCLogDebug, SCLogWarning, PcapFileFileVars_::shared, and PcapFileSharedVars_::should_delete.

Referenced by CleanupPcapFileDirectoryVars().

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InitPcapFile()

TmEcode InitPcapFile

(

PcapFileFileVars *

pfv

)

From a PcapFileFileVars, prepare the filename for processing by setting pcap_handle, datalink, and filter

Parameters

pfv	PcapFileFileVars object to populate

Returns

Definition at line 191 of file source-pcap-file-helper.c.

References PcapFileSharedVars_::bpf_string, PcapFileFileVars_::datalink, PcapFileFileVars_::filename, PcapFileFileVars_::filter, PcapFileFileVars_::pcap_handle, SC_ERR_BPF, SC_ERR_FOPEN, SC_ERR_INVALID_ARGUMENT, SCLogDebug, SCLogError, SCLogInfo, SCReturnInt, PcapFileFileVars_::shared, TM_ECODE_FAILED, and unlikely.

PcapFileDispatch()

TmEcode PcapFileDispatch

(

PcapFileFileVars *

ptv

)

Main PCAP file reading Loop function.

Dispatch a file for processing, where the information necessary to process that file is as PcapFileFileVars object.

Parameters

ptv	PcapFileFileVars object to be processed

Returns

Definition at line 119 of file source-pcap-file-helper.c.

References PcapFileFileVars_::first_pkt_hdr, PcapFileFileVars_::first_pkt_ts, likely, SCEnter, and TmThreadsInitThreadsTimestamp().

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ValidateLinkType()

TmEcode ValidateLinkType	(	int	datalink,
		DecoderFunc *	decoder
	)

Determine if a datalink type is valid, setting a decoder function if valid.

Parameters

datalink	Datalink type to validate
decoder	Pointer to decoder to set if valid

Returns

TM_ECODE_OK if valid datalink type and decoder has been set.

Definition at line 235 of file source-pcap-file-helper.c.

References DecodeEthernet(), DecodeNull(), DecodePPP(), DecodeRaw(), DecodeSll(), LINKTYPE_ETHERNET, LINKTYPE_GRE_OVER_IP, LINKTYPE_IPV4, LINKTYPE_LINUX_SLL, LINKTYPE_NULL, LINKTYPE_PPP, LINKTYPE_RAW, LINKTYPE_RAW2, SC_ERR_UNIMPLEMENTED, SCLogError, SCReturnInt, TM_ECODE_FAILED, and TM_ECODE_OK.

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