decode-icmpv4.c File Reference

#include "suricata-common.h"
#include "decode.h"
#include "decode-events.h"
#include "decode-ipv4.h"
#include "decode-icmpv4.h"
#include "flow.h"
#include "util-unittest.h"
#include "util-unittest-helper.h"
#include "util-debug.h"
#include "util-print.h"
#include "util-validate.h"

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Macros
#define	CASE_CODE(t, r)   case (t): return r; case (r): return t;

Functions
int	DecodeICMPV4 (ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, const uint8_t *pkt, uint32_t len)
	Main ICMPv4 decoding function. More...
int	ICMPv4GetCounterpart (uint8_t type)
void	DecodeICMPV4RegisterTests (void)
	Registers ICMPV4 unit test. More...

Detailed Description

Author

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

Decode ICMPv4

Definition in file decode-icmpv4.c.

Macro Definition Documentation

CASE_CODE

#define CASE_CODE	(		t,
			r
	)		case (t): return r; case (r): return t;

Function Documentation

DecodeICMPV4()

int DecodeICMPV4	(	ThreadVars *	tv,
		DecodeThreadVars *	dtv,
		Packet *	p,
		const uint8_t *	pkt,
		uint32_t	len
	)

Main ICMPv4 decoding function.

DecodeICMPV4

Definition at line 156 of file decode-icmpv4.c.

References ICMPV4Hdr_::code, DecodeThreadVars_::counter_icmpv4, dtv, ENGINE_SET_EVENT, ENGINE_SET_INVALID_EVENT, ICMPV4Vars_::hlen, Packet_::icmp_d, ICMP_DEST_UNREACH, ICMP_ECHOREPLY, Packet_::icmp_s, ICMPV4_HEADER_LEN, ICMPV4_HEADER_PKT_OFFSET, ICMPV4_PKT_TOO_SMALL, ICMPV4_UNKNOWN_CODE, ICMPv4GetCounterpart(), Packet_::icmpv4h, Packet_::icmpv4vars, ICMPV4ExtHdr_::id, ICMPV4Vars_::id, len, NR_ICMP_UNREACH, Packet_::proto, SCLogDebug, ICMPV4ExtHdr_::seq, ICMPV4Vars_::seq, StatsIncr(), TM_ECODE_FAILED, tv, ICMPV4Hdr_::type, and unlikely.

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DecodeICMPV4RegisterTests()

void DecodeICMPV4RegisterTests

(

void

)

Registers ICMPV4 unit test.

Definition at line 827 of file decode-icmpv4.c.

References UtRegisterTest().

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ICMPv4GetCounterpart()

int ICMPv4GetCounterpart

(

uint8_t

type

)

Return values

type	counterpart type or -1

Definition at line 360 of file decode-icmpv4.c.

References CASE_CODE, ICMP_ADDRESS, ICMP_ADDRESSREPLY, ICMP_ECHO, ICMP_ECHOREPLY, ICMP_INFO_REPLY, ICMP_INFO_REQUEST, ICMP_ROUTERADVERT, ICMP_ROUTERSOLICIT, ICMP_TIMESTAMP, ICMP_TIMESTAMPREPLY, and type.

Referenced by DecodeICMPV4().

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