mirror of https://github.com/OISF/suricata
raw pcap support additionl ipv4/6 validation
William Metcalf
16 years ago
committed by
Victor Julien
parent
0c9f51498a
commit
8a64321340
@ -0,0 +1,156 @@
|
||||
/* Copyright (c) 2009 Open Information Security Foundation */
|
||||
|
||||
/** \file
|
||||
* \author William Metcalf <william.metcalf@gmail.com>
|
||||
*/
|
||||
|
||||
#include "suricata-common.h"
|
||||
#include "decode.h"
|
||||
#include "decode-raw.h"
|
||||
#include "decode-events.h"
|
||||
|
||||
#include "util-unittest.h"
|
||||
#include "util-debug.h"
|
||||
|
||||
void DecodeRaw(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, uint8_t *pkt, uint16_t len, PacketQueue *pq)
|
||||
{
|
||||
SCPerfCounterIncr(dtv->counter_raw, tv->sc_perf_pca);
|
||||
|
||||
/* If it is ipv4 or ipv6 it should at least be the size of ipv4 */
|
||||
if (len < IPV4_HEADER_LEN) {
|
||||
DECODER_SET_EVENT(p,IPV4_PKT_TOO_SMALL);
|
||||
return;
|
||||
}
|
||||
|
||||
if (IP_GET_RAW_VER(pkt) == 4) {
|
||||
SCLogDebug("IPV4 Packet");
|
||||
DecodeIPV4(tv, dtv, p, p->pkt, p->pktlen, pq);
|
||||
} else if (IP_GET_RAW_VER(pkt) == 6) {
|
||||
SCLogDebug("IPV6 Packet");
|
||||
DecodeIPV6(tv, dtv, p, p->pkt, p->pktlen, pq);
|
||||
} else {
|
||||
SCLogDebug("Unknown ip version %" PRIu8 "", IP_GET_RAW_VER(pkt));
|
||||
DECODER_SET_EVENT(p,IPRAW_INVALID_IPV);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
#ifdef UNITTESTS
|
||||
/** DecodeRawtest01
|
||||
* \brief Valid Raw packet
|
||||
* \retval 0 Expected test value
|
||||
*/
|
||||
static int DecodeRawTest01 (void) {
|
||||
|
||||
/* IPV6/TCP/no eth header */
|
||||
uint8_t raw_ip[] = {
|
||||
0xff, 0x00, 0xac, 0x83, 0xfd, 0xcf, 0xea, 0x6a,
|
||||
0x24, 0xfb, 0x91, 0xff, 0x00, 0xbd, 0x45, 0x14,
|
||||
0xca, 0x8f, 0x51, 0xf7, 0x1f, 0xeb, 0x6e, 0x3f,
|
||||
0xdf, 0x3f, 0xd2, 0x9d, 0x65, 0xfe, 0xbd, 0x7f,
|
||||
0xeb, 0x89, 0xff, 0x00, 0xd0, 0x4d, 0x14, 0x54,
|
||||
0xad, 0x83, 0xa9, 0x0f, 0x65, 0xfa, 0xd2, 0x93,
|
||||
0xfb, 0x8b, 0x9f, 0xaa, 0xff, 0x00, 0xec, 0xd4,
|
||||
0x51, 0x43, 0x1a, 0x12, 0x4f, 0xf5, 0xaf, 0xff,
|
||||
0x00, 0x5c, 0xea, 0x2a, 0x28, 0xa6, 0x89, 0x67,
|
||||
0xff, 0xd9 };
|
||||
|
||||
Packet p;
|
||||
ThreadVars tv;
|
||||
DecodeThreadVars dtv;
|
||||
|
||||
memset(&dtv, 0, sizeof(DecodeThreadVars));
|
||||
memset(&tv, 0, sizeof(ThreadVars));
|
||||
memset(&p, 0, sizeof(Packet));
|
||||
|
||||
DecodeRaw(&tv, &dtv, &p, raw_ip, sizeof(raw_ip), NULL);
|
||||
if (p.ip6h == NULL) {
|
||||
printf("expected a valid ipv6 header but it was NULL");
|
||||
return 0;
|
||||
}
|
||||
|
||||
return 1;
|
||||
|
||||
}
|
||||
/** DecodeRawtest02
|
||||
* \brief Valid Raw packet
|
||||
* \retval 0 Expected test value
|
||||
*/
|
||||
static int DecodeRawTest02 (void) {
|
||||
|
||||
/* IPV4/TCP/no eth header */
|
||||
uint8_t raw_ip[] = {
|
||||
0x47, 0x45, 0x54, 0x20, 0x2f, 0x2f, 0x72, 0x6f,
|
||||
0x75, 0x6e, 0x64, 0x31, 0x37, 0x39, 0x2e, 0x78,
|
||||
0x6d, 0x6c, 0x20, 0x48, 0x54, 0x54, 0x50, 0x2f,
|
||||
0x31, 0x2e, 0x31, 0x0d, 0x0a, 0x43, 0x6f, 0x6e,
|
||||
0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x3a,
|
||||
0x20, 0x4b, 0x65, 0x65, 0x70, 0x2d, 0x41, 0x6c,
|
||||
0x69, 0x76, 0x65, 0x0d, 0x0a, 0x48, 0x6f, 0x73,
|
||||
0x74, 0x3a, 0x20, 0x31, 0x39, 0x32, 0x2e, 0x31,
|
||||
0x36, 0x38, 0x2e, 0x31, 0x30, 0x32, 0x2e, 0x32,
|
||||
0x0d, 0x0a, 0x0d, 0x0a };
|
||||
|
||||
Packet p;
|
||||
ThreadVars tv;
|
||||
DecodeThreadVars dtv;
|
||||
|
||||
memset(&dtv, 0, sizeof(DecodeThreadVars));
|
||||
memset(&tv, 0, sizeof(ThreadVars));
|
||||
memset(&p, 0, sizeof(Packet));
|
||||
|
||||
DecodeRaw(&tv, &dtv, &p, raw_ip, sizeof(raw_ip), NULL);
|
||||
if (p.ip4h == NULL) {
|
||||
printf("expected a valid ipv4 header but it was NULL");
|
||||
return 0;
|
||||
}
|
||||
|
||||
return 1;
|
||||
}
|
||||
/** DecodeRawtest03
|
||||
* \brief Valid Raw packet
|
||||
* \retval 0 Expected test value
|
||||
*/
|
||||
static int DecodeRawTest03 (void) {
|
||||
|
||||
/* IPV13 */
|
||||
uint8_t raw_ip[] = {
|
||||
0xdf, 0x00, 0x00, 0x3d, 0x49, 0x42, 0x40, 0x00,
|
||||
0x40, 0x06, 0xcf, 0x8a, 0x0a, 0x1f, 0x03, 0xaf,
|
||||
0x0a, 0x1f, 0x0a, 0x02, 0xa5, 0xe7, 0xde, 0xad,
|
||||
0x00, 0x0c, 0xe2, 0x0e, 0x8b, 0xfe, 0x0c, 0xe7,
|
||||
0x80, 0x18, 0x00, 0xb7, 0xaf, 0xeb, 0x00, 0x00,
|
||||
0x01, 0x01, 0x08, 0x0a, 0x00, 0x08, 0xab, 0x4f,
|
||||
0x34, 0x40, 0x67, 0x31, 0x3b, 0x63, 0x61, 0x74,
|
||||
0x20, 0x6b, 0x65, 0x79, 0x3b };
|
||||
|
||||
Packet p;
|
||||
ThreadVars tv;
|
||||
DecodeThreadVars dtv;
|
||||
|
||||
memset(&dtv, 0, sizeof(DecodeThreadVars));
|
||||
memset(&tv, 0, sizeof(ThreadVars));
|
||||
memset(&p, 0, sizeof(Packet));
|
||||
|
||||
DecodeRaw(&tv, &dtv, &p, raw_ip, sizeof(raw_ip), NULL);
|
||||
if (DECODER_ISSET_EVENT(&p,IPRAW_INVALID_IPV)) {
|
||||
return 0;
|
||||
} else {
|
||||
printf("expected IPRAW_INVALID_IPV to be set but it wasn't");
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
#endif /* UNITTESTS */
|
||||
|
||||
/**
|
||||
* \brief Registers Raw unit tests
|
||||
* \todo More Raw tests
|
||||
*/
|
||||
void DecodeRawRegisterTests(void) {
|
||||
#ifdef UNITTESTS
|
||||
UtRegisterTest("DecodeRawTest01", DecodeRawTest01, 0);
|
||||
UtRegisterTest("DecodeRawTest02", DecodeRawTest02, 0);
|
||||
UtRegisterTest("DecodeRawTest03", DecodeRawTest03, 0);
|
||||
#endif /* UNITTESTS */
|
||||
}
|
||||
@ -0,0 +1,11 @@
|
||||
/* Copyright (c) 2009 Open Information Security Foundation */
|
||||
|
||||
/** \file
|
||||
* \author William Metcalf <william.metcalf@gmail.com>
|
||||
*/
|
||||
|
||||
#ifndef __DECODE_RAW_H__
|
||||
#define __DECODE_RAW_H__
|
||||
void DecodeRawRegisterTests(void);
|
||||
#endif /* __DECODE_RAW_H__ */
|
||||
|
||||
Loading…
Reference in New Issue