decode-pppoe.c File Reference

#include "suricata-common.h"
#include "packet-queue.h"
#include "decode.h"
#include "decode-ppp.h"
#include "decode-pppoe.h"
#include "decode-events.h"
#include "flow.h"
#include "util-unittest.h"
#include "util-debug.h"

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Functions
int	DecodePPPOEDiscovery (ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, const uint8_t *pkt, uint32_t len, PacketQueue *pq)
	Main decoding function for PPPOE Discovery packets. More...
int	DecodePPPOESession (ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, const uint8_t *pkt, uint32_t len, PacketQueue *pq)
	Main decoding function for PPPOE Session packets. More...
void	DecodePPPOERegisterTests (void)
	Registers PPPOE unit tests. More...

Detailed Description

Author

James Riden james.nosp@m.r@eu.nosp@m.rope..nosp@m.com

PPPOE Decoder

Definition in file decode-pppoe.c.

Function Documentation

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

Main decoding function for PPPOE Discovery packets.

Definition at line 50 of file decode-pppoe.c.

References DecodeThreadVars_::counter_pppoe, ENGINE_SET_INVALID_EVENT, PPPOE_CODE_PADI, PPPOE_CODE_PADO, PPPOE_CODE_PADR, PPPOE_CODE_PADS, PPPOE_CODE_PADT, PPPOE_DISCOVERY_HEADER_MIN_LEN, pppoe_length, PPPOE_MALFORMED_TAGS, PPPOE_PKT_TOO_SMALL, PPPOE_WRONG_CODE, Packet_::pppoedh, SCLogDebug, SCNtohs, StatsIncr(), TM_ECODE_FAILED, and TM_ECODE_OK.

Referenced by DecodeEthernet(), DecodePPPOESession(), and DecodeVLAN().

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void DecodePPPOERegisterTests

(

void

)

Registers PPPOE unit tests.

Todo:

More PPPOE tests

Definition at line 457 of file decode-pppoe.c.

References UtRegisterTest().

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

Main decoding function for PPPOE Session packets.

Definition at line 130 of file decode-pppoe.c.

References DecodeThreadVars_::counter_pppoe, DecodeIPV4(), DecodeIPV6(), DecodePPPOEDiscovery(), DecodePPPOESession(), ENGINE_ISSET_EVENT, ENGINE_SET_EVENT, ENGINE_SET_INVALID_EVENT, FLOW_QUIET, FlowInitConfig(), FlowShutdown(), ICMPV4_UNKNOWN_TYPE, IPV4_GET_RAW_VER, IPV4_HEADER_LEN, IPV6_HEADER_LEN, PacketGetFromAlloc(), PPP_APPLE, PPP_APPLECP, PPP_BRPDU, PPP_CHAP, PPP_DECNET, PPP_DECNETCP, PPP_HELLO, PPP_IP, PPP_IPCP, PPP_IPV6, PPP_IPV6CP, PPP_IPX, PPP_IPXCP, PPP_LCP, PPP_LQM, PPP_LUXCOM, PPP_MPLS_MCAST, PPP_MPLS_UCAST, PPP_MPLSCP, PPP_NS, PPP_NSCP, PPP_OSI, PPP_OSICP, PPP_PAP, PPP_SNS, PPP_STII, PPP_STIICP, PPP_UNSUP_PROTO, PPP_VINES, PPP_VINESCP, PPP_VJ_COMP, PPP_VJ_UCOMP, PPP_WRONG_TYPE, Packet_::ppph, PPPIPV4_PKT_TOO_SMALL, PPPIPV6_PKT_TOO_SMALL, PPPOESessionHdr_::pppoe_code, PPPOE_DISCOVERY_GET_TYPE, PPPOE_DISCOVERY_GET_VERSION, PPPOESessionHdr_::pppoe_length, PPPOE_MALFORMED_TAGS, PPPOE_PKT_TOO_SMALL, PPPOE_SESSION_GET_TYPE, PPPOE_SESSION_GET_VERSION, PPPOE_SESSION_HEADER_LEN, PPPOESessionHdr_::pppoe_version_type, PPPOE_WRONG_CODE, Packet_::pppoedh, Packet_::pppoesh, PPPVJU_PKT_TOO_SMALL, PPPOESessionHdr_::protocol, SCFree, SCLogDebug, SCNtohs, PPPOESessionHdr_::session_id, StatsIncr(), TM_ECODE_FAILED, TM_ECODE_OK, and unlikely.

Referenced by DecodeEthernet(), DecodePPPOESession(), and DecodeVLAN().

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