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-rw-r--r--src/decode-ipv4.c1734
1 files changed, 1734 insertions, 0 deletions
diff --git a/src/decode-ipv4.c b/src/decode-ipv4.c
new file mode 100644
index 0000000..92d0c6e
--- /dev/null
+++ b/src/decode-ipv4.c
@@ -0,0 +1,1734 @@
+/* Copyright (C) 2007-2013 Open Information Security Foundation
+ *
+ * You can copy, redistribute or modify this Program under the terms of
+ * the GNU General Public License version 2 as published by the Free
+ * Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/**
+ * \ingroup decode
+ *
+ * @{
+ */
+
+
+/**
+ * \file
+ *
+ * \author Victor Julien <victor@inliniac.net>
+ * \author Brian Rectanus <brectanu@gmail.com>
+ *
+ * Decode IPv4
+ */
+
+#include "suricata-common.h"
+#include "decode-ipv4.h"
+#include "decode.h"
+#include "defrag.h"
+#include "flow.h"
+#include "util-print.h"
+
+/* Generic validation
+ *
+ * [--type--][--len---]
+ *
+ * \todo This function needs removed in favor of specific validation.
+ *
+ * See: RFC 791
+ */
+static int IPV4OptValidateGeneric(Packet *p, const IPV4Opt *o)
+{
+ switch (o->type) {
+ /* See: RFC 4782 */
+ case IPV4_OPT_QS:
+ if (o->len < IPV4_OPT_QS_MIN) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_INVALID_LEN);
+ return -1;
+ }
+ break;
+ /* See: RFC 1108 */
+ case IPV4_OPT_SEC:
+ case IPV4_OPT_ESEC:
+ if (unlikely(o->len < IPV4_OPT_SEC_MIN)) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_INVALID_LEN);
+ return -1;
+ }
+ break;
+ case IPV4_OPT_SID:
+ if (o->len != IPV4_OPT_SID_LEN) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_INVALID_LEN);
+ return -1;
+ }
+ break;
+ /* See: RFC 2113 */
+ case IPV4_OPT_RTRALT:
+ if (o->len != IPV4_OPT_RTRALT_LEN) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_INVALID_LEN);
+ return -1;
+ }
+ break;
+ default:
+ /* Should never get here unless there is a coding error */
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_UNKNOWN);
+ return -1;
+ }
+
+ return 0;
+}
+
+/* Validate route type options
+ *
+ * [--type--][--len---][--ptr---][address1]...[addressN]
+ *
+ * See: RFC 791
+ */
+static int IPV4OptValidateRoute(Packet *p, const IPV4Opt *o)
+{
+ uint8_t ptr;
+
+ /* Check length */
+ if (unlikely(o->len < IPV4_OPT_ROUTE_MIN)) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_INVALID_LEN);
+ return -1;
+ }
+
+ /* Data is required */
+ if (unlikely(o->data == NULL)) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_MALFORMED);
+ return -1;
+ }
+ ptr = *o->data;
+
+ /* Address pointer is 1 based and points at least after type+len+ptr,
+ * must be a incremented by 4 bytes (address size) and cannot extend
+ * past option length.
+ */
+ if (unlikely((ptr < 4) || (ptr % 4) || (ptr > o->len + 1))) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_MALFORMED);
+ return -1;
+ }
+
+ return 0;
+}
+
+/* Validate timestamp type options
+ *
+ * [--type--][--len---][--ptr---][ovfl][flag][rec1----...]...[recN----...]
+ * NOTE: rec could be 4 (ts only) or 8 (ip+ts) bytes in length.
+ *
+ * See: RFC 781
+ */
+static int IPV4OptValidateTimestamp(Packet *p, const IPV4Opt *o)
+{
+ uint8_t ptr;
+ uint8_t flag;
+ uint8_t rec_size;
+
+ /* Check length */
+ if (unlikely(o->len < IPV4_OPT_TS_MIN)) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_INVALID_LEN);
+ return -1;
+ }
+
+ /* Data is required */
+ if (unlikely(o->data == NULL)) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_MALFORMED);
+ return -1;
+ }
+ ptr = *o->data;
+
+ /* We need the flag to determine what is in the option payload */
+ if (unlikely(ptr < 5)) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_MALFORMED);
+ return -1;
+ }
+ flag = *(o->data + 1) & 0x0f;
+
+ /* A flag of 1|3 means we have both the ip+ts in each record */
+ rec_size = ((flag == 1) || (flag == 3)) ? 8 : 4;
+
+ /* Address pointer is 1 based and points at least after
+ * type+len+ptr+ovfl+flag, must be incremented by by the rec_size
+ * and cannot extend past option length.
+ */
+ if (unlikely(((ptr - 5) % rec_size) || (ptr > o->len + 1))) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_MALFORMED);
+ return -1;
+ }
+
+ return 0;
+}
+
+/* Validate CIPSO option
+ *
+ * [--type--][--len---][--doi---][tags--...]
+ *
+ * See: draft-ietf-cipso-ipsecurity-01.txt
+ * See: FIPS 188 (tags 6 & 7)
+ */
+static int IPV4OptValidateCIPSO(Packet *p, const IPV4Opt *o)
+{
+// uint32_t doi;
+ const uint8_t *tag;
+ uint16_t len;
+
+ /* Check length */
+ if (unlikely(o->len < IPV4_OPT_CIPSO_MIN)) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_INVALID_LEN);
+ return -1;
+ }
+
+ /* Data is required */
+ if (unlikely(o->data == NULL)) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_MALFORMED);
+ return -1;
+ }
+// doi = *o->data;
+ tag = o->data + 4;
+ len = o->len - 1 - 1 - 4; /* Length of tags after header */
+
+
+#if 0
+ /* Domain of Interest (DOI) of 0 is reserved and thus invalid */
+ /** \todo Apparently a DOI of zero is fine in practice - verify. */
+ if (doi == 0) {
+ ENGINE_SET_EVENT(p,IPV4_OPT_MALFORMED);
+ return -1;
+ }
+#endif
+
+ /* NOTE: We know len has passed min tests prior to this call */
+
+ /* Check that tags are formatted correctly
+ * [-ttype--][--tlen--][-tagdata-...]
+ */
+ while (len) {
+ uint8_t ttype;
+ uint8_t tlen;
+
+ /* Tag header must fit within option length */
+ if (unlikely(len < 2)) {
+ //printf("CIPSO tag header too large %" PRIu16 " < 2\n", len);
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_MALFORMED);
+ return -1;
+ }
+
+ /* Tag header is type+len */
+ ttype = *(tag++);
+ tlen = *(tag++);
+
+ /* Tag length must fit within the option length */
+ if (unlikely(tlen > len)) {
+ //printf("CIPSO tag len too large %" PRIu8 " > %" PRIu16 "\n", tlen, len);
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_MALFORMED);
+ return -1;
+ }
+
+ switch(ttype) {
+ case 1:
+ case 2:
+ case 5:
+ case 6:
+ case 7:
+ /* Tag is at least 4 and at most the remainder of option len */
+ if (unlikely((tlen < 4) || (tlen > len))) {
+ //printf("CIPSO tag %" PRIu8 " bad tlen=%" PRIu8 " len=%" PRIu8 "\n", ttype, tlen, len);
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_MALFORMED);
+ return -1;
+ }
+
+ /* The alignment octet is always 0 except tag
+ * type 7, which has no such field.
+ */
+ if (unlikely((ttype != 7) && (*tag != 0))) {
+ //printf("CIPSO tag %" PRIu8 " ao=%" PRIu8 "\n", ttype, tlen);
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_MALFORMED);
+ return -1;
+ }
+
+ /* Skip the rest of the tag payload */
+ tag += tlen - 2;
+ len -= tlen;
+
+ continue;
+ case 0:
+ /* Tag type 0 is reserved and thus invalid */
+ /** \todo Wireshark marks this a padding, but spec says reserved. */
+ ENGINE_SET_INVALID_EVENT(p,IPV4_OPT_MALFORMED);
+ return -1;
+ default:
+ //printf("CIPSO tag %" PRIu8 " unknown tag\n", ttype);
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_MALFORMED);
+ /** \todo May not want to return error here on unknown tag type (at least not for 3|4) */
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+typedef struct IPV4Options_ {
+ IPV4Opt o_rr;
+ IPV4Opt o_qs;
+ IPV4Opt o_ts;
+ IPV4Opt o_sec;
+ IPV4Opt o_lsrr;
+ IPV4Opt o_esec;
+ IPV4Opt o_cipso;
+ IPV4Opt o_sid;
+ IPV4Opt o_ssrr;
+ IPV4Opt o_rtralt;
+} IPV4Options;
+
+/**
+ * Decode/Validate IPv4 Options.
+ */
+static int DecodeIPV4Options(Packet *p, const uint8_t *pkt, uint16_t len, IPV4Options *opts)
+{
+ uint16_t plen = len;
+
+#ifdef DEBUG
+ if (SCLogDebugEnabled()) {
+ uint16_t i;
+ char buf[256] = "";
+ int offset = 0;
+
+ for (i = 0; i < len; i++) {
+ offset += snprintf(buf + offset, (sizeof(buf) - offset), "%02" PRIx8 " ", pkt[i]);
+ }
+ SCLogDebug("IPV4OPTS: { %s}", buf);
+ }
+#endif
+
+ /* Options length must be padded to 8byte boundary */
+ if (plen % 8) {
+ ENGINE_SET_EVENT(p,IPV4_OPT_PAD_REQUIRED);
+ /* Warn - we can keep going */
+ }
+
+ while (plen)
+ {
+ p->ip4vars.opt_cnt++;
+
+ /* single byte options */
+ if (*pkt == IPV4_OPT_EOL) {
+ /** \todo What if more data exist after EOL (possible covert channel or data leakage)? */
+ SCLogDebug("IPV4OPT %" PRIu8 " len 1 @ %d/%d",
+ *pkt, (len - plen), (len - 1));
+ p->ip4vars.opts_set |= IPV4_OPT_FLAG_EOL;
+ break;
+ } else if (*pkt == IPV4_OPT_NOP) {
+ SCLogDebug("IPV4OPT %" PRIu8 " len 1 @ %d/%d",
+ *pkt, (len - plen), (len - 1));
+ pkt++;
+ plen--;
+
+ p->ip4vars.opts_set |= IPV4_OPT_FLAG_NOP;
+
+ /* multibyte options */
+ } else {
+ if (unlikely(plen < 2)) {
+ /** \todo What if padding is non-zero (possible covert channel or data leakage)? */
+ /** \todo Spec seems to indicate EOL required if there is padding */
+ ENGINE_SET_EVENT(p,IPV4_OPT_EOL_REQUIRED);
+ break;
+ }
+
+ /* Option length is too big for packet */
+ if (unlikely(*(pkt+1) > plen)) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_INVALID_LEN);
+ return -1;
+ }
+
+ IPV4Opt opt = {*pkt, *(pkt+1), plen > 2 ? (pkt + 2) : NULL };
+
+ /* we already know that the total options len is valid,
+ * so here the len of the specific option must be bad.
+ * Also check for invalid lengths 0 and 1. */
+ if (unlikely(opt.len > plen || opt.len < 2)) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_OPT_INVALID_LEN);
+ return -1;
+ }
+ /* we are parsing the most commonly used opts to prevent
+ * us from having to walk the opts list for these all the
+ * time. */
+ /** \todo Figure out which IP options are more common and list them first */
+ switch (opt.type) {
+ case IPV4_OPT_TS:
+ if (opts->o_ts.type != 0) {
+ ENGINE_SET_EVENT(p,IPV4_OPT_DUPLICATE);
+ /* Warn - we can keep going */
+ } else if (IPV4OptValidateTimestamp(p, &opt) == 0) {
+ opts->o_ts = opt;
+ p->ip4vars.opts_set |= IPV4_OPT_FLAG_TS;
+ }
+ break;
+ case IPV4_OPT_RR:
+ if (opts->o_rr.type != 0) {
+ ENGINE_SET_EVENT(p,IPV4_OPT_DUPLICATE);
+ /* Warn - we can keep going */
+ } else if (IPV4OptValidateRoute(p, &opt) == 0) {
+ opts->o_rr = opt;
+ p->ip4vars.opts_set |= IPV4_OPT_FLAG_RR;
+ }
+ break;
+ case IPV4_OPT_QS:
+ if (opts->o_qs.type != 0) {
+ ENGINE_SET_EVENT(p,IPV4_OPT_DUPLICATE);
+ /* Warn - we can keep going */
+ } else if (IPV4OptValidateGeneric(p, &opt) == 0) {
+ opts->o_qs = opt;
+ p->ip4vars.opts_set |= IPV4_OPT_FLAG_QS;
+ }
+ break;
+ case IPV4_OPT_SEC:
+ if (opts->o_sec.type != 0) {
+ ENGINE_SET_EVENT(p,IPV4_OPT_DUPLICATE);
+ /* Warn - we can keep going */
+ } else if (IPV4OptValidateGeneric(p, &opt) == 0) {
+ opts->o_sec = opt;
+ p->ip4vars.opts_set |= IPV4_OPT_FLAG_SEC;
+ }
+ break;
+ case IPV4_OPT_LSRR:
+ if (opts->o_lsrr.type != 0) {
+ ENGINE_SET_EVENT(p,IPV4_OPT_DUPLICATE);
+ /* Warn - we can keep going */
+ } else if (IPV4OptValidateRoute(p, &opt) == 0) {
+ opts->o_lsrr = opt;
+ p->ip4vars.opts_set |= IPV4_OPT_FLAG_LSRR;
+ }
+ break;
+ case IPV4_OPT_ESEC:
+ if (opts->o_esec.type != 0) {
+ ENGINE_SET_EVENT(p, IPV4_OPT_DUPLICATE);
+ /* Warn - we can keep going */
+ } else if (IPV4OptValidateGeneric(p, &opt) == 0) {
+ opts->o_esec = opt;
+ p->ip4vars.opts_set |= IPV4_OPT_FLAG_ESEC;
+ }
+ break;
+ case IPV4_OPT_CIPSO:
+ if (opts->o_cipso.type != 0) {
+ ENGINE_SET_EVENT(p,IPV4_OPT_DUPLICATE);
+ /* Warn - we can keep going */
+ } else if (IPV4OptValidateCIPSO(p, &opt) == 0) {
+ opts->o_cipso = opt;
+ p->ip4vars.opts_set |= IPV4_OPT_FLAG_CIPSO;
+ }
+ break;
+ case IPV4_OPT_SID:
+ if (opts->o_sid.type != 0) {
+ ENGINE_SET_EVENT(p,IPV4_OPT_DUPLICATE);
+ /* Warn - we can keep going */
+ } else if (IPV4OptValidateGeneric(p, &opt) == 0) {
+ opts->o_sid = opt;
+ p->ip4vars.opts_set |= IPV4_OPT_FLAG_SID;
+ }
+ break;
+ case IPV4_OPT_SSRR:
+ if (opts->o_ssrr.type != 0) {
+ ENGINE_SET_EVENT(p,IPV4_OPT_DUPLICATE);
+ /* Warn - we can keep going */
+ } else if (IPV4OptValidateRoute(p, &opt) == 0) {
+ opts->o_ssrr = opt;
+ p->ip4vars.opts_set |= IPV4_OPT_FLAG_SSRR;
+ }
+ break;
+ case IPV4_OPT_RTRALT:
+ if (opts->o_rtralt.type != 0) {
+ ENGINE_SET_EVENT(p,IPV4_OPT_DUPLICATE);
+ /* Warn - we can keep going */
+ } else if (IPV4OptValidateGeneric(p, &opt) == 0) {
+ opts->o_rtralt = opt;
+ p->ip4vars.opts_set |= IPV4_OPT_FLAG_RTRALT;
+ }
+ break;
+ default:
+ SCLogDebug("IPV4OPT <unknown> (%" PRIu8 ") len %" PRIu8,
+ opt.type, opt.len);
+ ENGINE_SET_EVENT(p,IPV4_OPT_INVALID);
+ /* Warn - we can keep going */
+ break;
+ }
+
+ pkt += opt.len;
+ plen -= opt.len;
+ }
+ }
+
+ return 0;
+}
+
+static int DecodeIPV4Packet(Packet *p, const uint8_t *pkt, uint16_t len)
+{
+ if (unlikely(len < IPV4_HEADER_LEN)) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_PKT_TOO_SMALL);
+ return -1;
+ }
+
+ if (unlikely(IP_GET_RAW_VER(pkt) != 4)) {
+ SCLogDebug("wrong ip version %d",IP_GET_RAW_VER(pkt));
+ ENGINE_SET_INVALID_EVENT(p, IPV4_WRONG_IP_VER);
+ return -1;
+ }
+
+ p->ip4h = (IPV4Hdr *)pkt;
+
+ if (unlikely(IPV4_GET_HLEN(p) < IPV4_HEADER_LEN)) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_HLEN_TOO_SMALL);
+ return -1;
+ }
+
+ if (unlikely(IPV4_GET_IPLEN(p) < IPV4_GET_HLEN(p))) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_IPLEN_SMALLER_THAN_HLEN);
+ return -1;
+ }
+
+ if (unlikely(len < IPV4_GET_IPLEN(p))) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_TRUNC_PKT);
+ return -1;
+ }
+
+ /* set the address struct */
+ SET_IPV4_SRC_ADDR(p,&p->src);
+ SET_IPV4_DST_ADDR(p,&p->dst);
+
+ /* save the options len */
+ uint8_t ip_opt_len = IPV4_GET_HLEN(p) - IPV4_HEADER_LEN;
+ if (ip_opt_len > 0) {
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ if (DecodeIPV4Options(p, pkt + IPV4_HEADER_LEN, ip_opt_len, &opts) < 0) {
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+int DecodeIPV4(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p,
+ const uint8_t *pkt, uint16_t len)
+{
+ StatsIncr(tv, dtv->counter_ipv4);
+
+ SCLogDebug("pkt %p len %"PRIu16"", pkt, len);
+
+ if (!PacketIncreaseCheckLayers(p)) {
+ return TM_ECODE_FAILED;
+ }
+ /* do the actual decoding */
+ if (unlikely(DecodeIPV4Packet (p, pkt, len) < 0)) {
+ SCLogDebug("decoding IPv4 packet failed");
+ CLEAR_IPV4_PACKET((p));
+ return TM_ECODE_FAILED;
+ }
+ p->proto = IPV4_GET_IPPROTO(p);
+
+ /* If a fragment, pass off for re-assembly. */
+ if (unlikely(IPV4_GET_IPOFFSET(p) > 0 || IPV4_GET_MF(p) == 1)) {
+ Packet *rp = Defrag(tv, dtv, p);
+ if (rp != NULL) {
+ PacketEnqueueNoLock(&tv->decode_pq, rp);
+ }
+ p->flags |= PKT_IS_FRAGMENT;
+ return TM_ECODE_OK;
+ }
+
+ /* do hdr test, process hdr rules */
+
+#ifdef DEBUG
+ if (SCLogDebugEnabled()) { /* only convert the addresses if debug is really enabled */
+ /* debug print */
+ char s[16], d[16];
+ PrintInet(AF_INET, (const void *)GET_IPV4_SRC_ADDR_PTR(p), s, sizeof(s));
+ PrintInet(AF_INET, (const void *)GET_IPV4_DST_ADDR_PTR(p), d, sizeof(d));
+ SCLogDebug("IPV4 %s->%s PROTO: %" PRIu32 " OFFSET: %" PRIu32 " RF: %" PRIu32 " DF: %" PRIu32 " MF: %" PRIu32 " ID: %" PRIu32 "", s,d,
+ IPV4_GET_IPPROTO(p), IPV4_GET_IPOFFSET(p), IPV4_GET_RF(p),
+ IPV4_GET_DF(p), IPV4_GET_MF(p), IPV4_GET_IPID(p));
+ }
+#endif /* DEBUG */
+
+ /* check what next decoder to invoke */
+ switch (IPV4_GET_IPPROTO(p)) {
+ case IPPROTO_TCP:
+ DecodeTCP(tv, dtv, p, pkt + IPV4_GET_HLEN(p),
+ IPV4_GET_IPLEN(p) - IPV4_GET_HLEN(p));
+ break;
+ case IPPROTO_UDP:
+ DecodeUDP(tv, dtv, p, pkt + IPV4_GET_HLEN(p),
+ IPV4_GET_IPLEN(p) - IPV4_GET_HLEN(p));
+ break;
+ case IPPROTO_ICMP:
+ DecodeICMPV4(tv, dtv, p, pkt + IPV4_GET_HLEN(p),
+ IPV4_GET_IPLEN(p) - IPV4_GET_HLEN(p));
+ break;
+ case IPPROTO_GRE:
+ DecodeGRE(tv, dtv, p, pkt + IPV4_GET_HLEN(p),
+ IPV4_GET_IPLEN(p) - IPV4_GET_HLEN(p));
+ break;
+ case IPPROTO_SCTP:
+ DecodeSCTP(tv, dtv, p, pkt + IPV4_GET_HLEN(p),
+ IPV4_GET_IPLEN(p) - IPV4_GET_HLEN(p));
+ break;
+
+ case IPPROTO_ESP:
+ DecodeESP(tv, dtv, p, pkt + IPV4_GET_HLEN(p), IPV4_GET_IPLEN(p) - IPV4_GET_HLEN(p));
+ break;
+
+ case IPPROTO_IPV6:
+ {
+ /* spawn off tunnel packet */
+ Packet *tp = PacketTunnelPktSetup(tv, dtv, p, pkt + IPV4_GET_HLEN(p),
+ IPV4_GET_IPLEN(p) - IPV4_GET_HLEN(p),
+ DECODE_TUNNEL_IPV6);
+ if (tp != NULL) {
+ PKT_SET_SRC(tp, PKT_SRC_DECODER_IPV4);
+ PacketEnqueueNoLock(&tv->decode_pq,tp);
+ }
+ FlowSetupPacket(p);
+ break;
+ }
+ case IPPROTO_IP:
+ /* check PPP VJ uncompressed packets and decode tcp dummy */
+ if(p->ppph != NULL && SCNtohs(p->ppph->protocol) == PPP_VJ_UCOMP) {
+ DecodeTCP(tv, dtv, p, pkt + IPV4_GET_HLEN(p),
+ IPV4_GET_IPLEN(p) - IPV4_GET_HLEN(p));
+ }
+ break;
+ case IPPROTO_ICMPV6:
+ ENGINE_SET_INVALID_EVENT(p, IPV4_WITH_ICMPV6);
+ break;
+ }
+
+ return TM_ECODE_OK;
+}
+
+/* UNITTESTS */
+#ifdef UNITTESTS
+#include "packet.h"
+
+/** \test IPV4 with no options. */
+static int DecodeIPV4OptionsNONETest01(void)
+{
+ uint8_t raw_opts[] = { };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF(p->flags & PKT_IS_INVALID);
+
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with EOL option. */
+static int DecodeIPV4OptionsEOLTest01(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_EOL, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF(p->flags & PKT_IS_INVALID);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with NOP option. */
+static int DecodeIPV4OptionsNOPTest01(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_NOP, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF(p->flags & PKT_IS_INVALID);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with RR option. */
+static int DecodeIPV4OptionsRRTest01(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_RR, 0x27, 0x08, 0xc0, 0xa8, 0x2a, 0x64, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF(p->flags & PKT_IS_INVALID);
+ FAIL_IF(opts.o_rr.type != IPV4_OPT_RR);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with RR option (len too large). */
+static int DecodeIPV4OptionsRRTest02(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_RR, 0xff, 0x08, 0xc0, 0xa8, 0x2a, 0x64, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ FAIL_IF(DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts) != -1);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_rr.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with RR option (ptr too large). */
+static int DecodeIPV4OptionsRRTest03(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_RR, 0x27, 0xff, 0xc0, 0xa8, 0x2a, 0x64, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_rr.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with RR option (ptr not in 4 byte increment). */
+static int DecodeIPV4OptionsRRTest04(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_RR, 0x27, 0x05, 0xc0, 0xa8, 0x2a, 0x64, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_rr.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with QS option. */
+static int DecodeIPV4OptionsQSTest01(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_QS, 0x08, 0x0d, 0x00, 0xbe, 0xef, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF(p->flags & PKT_IS_INVALID);
+ FAIL_IF(opts.o_qs.type != IPV4_OPT_QS);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with QS option (len too small) */
+static int DecodeIPV4OptionsQSTest02(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_QS, 0x07, 0x0d, 0x00, 0xbe, 0xef, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_qs.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with TS option. */
+static int DecodeIPV4OptionsTSTest01(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_TS, 0x24, 0x0d, 0x01, 0x0a, 0x0a, 0x0a, 0x69,
+ 0x04, 0xce, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF(p->flags & PKT_IS_INVALID);
+ FAIL_IF(opts.o_ts.type != IPV4_OPT_TS);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with TS option (ptr too small). */
+static int DecodeIPV4OptionsTSTest02(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_TS, 0x24, 0x04, 0x01, 0x0a, 0x0a, 0x0a, 0x69,
+ 0x04, 0xce, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_ts.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with TS option (ptr too large). */
+static int DecodeIPV4OptionsTSTest03(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_TS, 0x24, 0xff, 0x01, 0x0a, 0x0a, 0x0a, 0x69,
+ 0x04, 0xce, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_ts.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with TS option (ptr not valid). */
+static int DecodeIPV4OptionsTSTest04(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_TS, 0x24, 0x0a, 0x01, 0x0a, 0x0a, 0x0a, 0x69,
+ 0x04, 0xce, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_ts.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with SEC option. */
+static int DecodeIPV4OptionsSECTest01(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_SEC, 0x0b, 0xf1, 0x35, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF(p->flags & PKT_IS_INVALID);
+ FAIL_IF(opts.o_sec.type != IPV4_OPT_SEC);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with SEC option (invalid length). */
+static int DecodeIPV4OptionsSECTest02(void)
+{
+ uint8_t raw_opts[] = { IPV4_OPT_SEC, 0x02, 0xf1, 0x35, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00 };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_sec.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with ESEC option. */
+static int DecodeIPV4OptionsESECTest01(void)
+{
+ uint8_t raw_opts[] = { IPV4_OPT_ESEC, 0x0b, 0xf1, 0x35, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF(p->flags & PKT_IS_INVALID);
+ FAIL_IF(opts.o_esec.type != IPV4_OPT_ESEC);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with ESEC option (invalid length). */
+static int DecodeIPV4OptionsESECTest02(void)
+{
+ uint8_t raw_opts[] = { IPV4_OPT_ESEC, 0x02, 0xf1, 0x35, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_esec.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with LSRR option. */
+static int DecodeIPV4OptionsLSRRTest01(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_LSRR, 0x27, 0x08, 0xc0, 0xa8, 0x2a, 0x64, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF(p->flags & PKT_IS_INVALID);
+ FAIL_IF(opts.o_lsrr.type != IPV4_OPT_LSRR);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with LSRR option (len too large). */
+static int DecodeIPV4OptionsLSRRTest02(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_LSRR, 0xff, 0x08, 0xc0, 0xa8, 0x2a, 0x64, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_lsrr.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with LSRR option (ptr too large). */
+static int DecodeIPV4OptionsLSRRTest03(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_LSRR, 0x27, 0xff, 0xc0, 0xa8, 0x2a, 0x64, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_lsrr.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with LSRR option (ptr not in 4 byte increment). */
+static int DecodeIPV4OptionsLSRRTest04(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_LSRR, 0x27, 0x05, 0xc0, 0xa8, 0x2a, 0x64, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_lsrr.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with CIPSO option. */
+static int DecodeIPV4OptionsCIPSOTest01(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_CIPSO, 0x18, 0x00, 0x00, 0x00, 0x05, 0x05, 0x12,
+ 0x00, 0x03, 0x00, 0xef, 0x00, 0xef, 0x00, 0x06,
+ 0x00, 0x04, 0x00, 0x02, 0x00, 0x02, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF(p->flags & PKT_IS_INVALID);
+ FAIL_IF(opts.o_cipso.type != IPV4_OPT_CIPSO);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with SID option. */
+static int DecodeIPV4OptionsSIDTest01(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_SID, 0x04, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF(p->flags & PKT_IS_INVALID);
+ FAIL_IF(opts.o_sid.type != IPV4_OPT_SID);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with SID option (len invalid. */
+static int DecodeIPV4OptionsSIDTest02(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_SID, 0x05, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_sid.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with SSRR option. */
+static int DecodeIPV4OptionsSSRRTest01(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_SSRR, 0x27, 0x08, 0xc0, 0xa8, 0x2a, 0x64, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF(p->flags & PKT_IS_INVALID);
+ FAIL_IF(opts.o_ssrr.type != IPV4_OPT_SSRR);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with SSRR option (len too large). */
+static int DecodeIPV4OptionsSSRRTest02(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_SSRR, 0xff, 0x08, 0xc0, 0xa8, 0x2a, 0x64, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_ssrr.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with SSRR option (ptr too large). */
+static int DecodeIPV4OptionsSSRRTest03(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_SSRR, 0x27, 0xff, 0xc0, 0xa8, 0x2a, 0x64, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_ssrr.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with SSRR option (ptr not in 4 byte increment). */
+static int DecodeIPV4OptionsSSRRTest04(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_SSRR, 0x27, 0x05, 0xc0, 0xa8, 0x2a, 0x64, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_ssrr.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with RTRALT option. */
+static int DecodeIPV4OptionsRTRALTTest01(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_RTRALT, 0x04, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF(p->flags & PKT_IS_INVALID);
+ FAIL_IF(opts.o_rtralt.type != IPV4_OPT_RTRALT);
+ SCFree(p);
+ PASS;
+}
+
+/** \test IPV4 with RTRALT option (len invalid. */
+static int DecodeIPV4OptionsRTRALTTest02(void)
+{
+ uint8_t raw_opts[] = {
+ IPV4_OPT_RTRALT, 0x05, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00
+ };
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF(unlikely(p == NULL));
+
+ IPV4Options opts;
+ memset(&opts, 0x00, sizeof(opts));
+ DecodeIPV4Options(p, raw_opts, sizeof(raw_opts), &opts);
+ FAIL_IF((p->flags & PKT_IS_INVALID) == 0);
+ FAIL_IF(opts.o_rtralt.type != 0);
+ SCFree(p);
+ PASS;
+}
+
+static int IPV4CalculateValidChecksumtest01(void)
+{
+ uint16_t csum = 0;
+
+ uint8_t raw_ipv4[] = {
+ 0x45, 0x00, 0x00, 0x54, 0x00, 0x00, 0x40, 0x00,
+ 0x40, 0x01, 0xb7, 0x52, 0xc0, 0xa8, 0x01, 0x03,
+ 0xc0, 0xa8, 0x01, 0x03};
+
+ csum = *( ((uint16_t *)raw_ipv4) + 5);
+
+ FAIL_IF(IPV4Checksum((uint16_t *)raw_ipv4, sizeof(raw_ipv4), csum) != 0);
+ PASS;
+}
+
+static int IPV4CalculateInvalidChecksumtest02(void)
+{
+ uint16_t csum = 0;
+
+ uint8_t raw_ipv4[] = {
+ 0x45, 0x00, 0x00, 0x54, 0x00, 0x00, 0x40, 0x00,
+ 0x40, 0x01, 0xb7, 0x52, 0xc0, 0xa8, 0x01, 0x03,
+ 0xc0, 0xa8, 0x01, 0x07};
+
+ csum = *( ((uint16_t *)raw_ipv4) + 5);
+
+ FAIL_IF(IPV4Checksum((uint16_t *)raw_ipv4, sizeof(raw_ipv4), csum) == 0);
+ PASS;
+}
+
+/**
+ * \test IPV4 defrag and packet recursion level test
+ */
+static int DecodeIPV4DefragTest01(void)
+{
+ uint8_t pkt1[] = {
+ 0x00, 0x50, 0x56, 0x00, 0x03, 0x05, 0xde, 0xad,
+ 0x01, 0xa3, 0xa2, 0x2f, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x1c, 0xe9, 0xef, 0x20, 0x00, 0x40, 0x06,
+ 0x9a, 0xc8, 0x0a, 0x00, 0xe1, 0x17, 0x0a, 0x00,
+ 0xe1, 0x0c, 0x6e, 0x12, 0x01, 0xbd, 0x5b, 0xa3,
+ 0x81, 0x5e
+ };
+ uint8_t pkt2[] = {
+ 0x00, 0x50, 0x56, 0x00, 0x03, 0x05, 0xde, 0xad,
+ 0x01, 0xa3, 0xa2, 0x2f, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x1c, 0xe9, 0xef, 0x20, 0x01, 0x40, 0x06,
+ 0x9a, 0xc7, 0x0a, 0x00, 0xe1, 0x17, 0x0a, 0x00,
+ 0xe1, 0x0c, 0xac, 0xb0, 0xae, 0x8a, 0x50, 0x10,
+ 0x80, 0x00
+ };
+ uint8_t pkt3[] = {
+ 0x00, 0x50, 0x56, 0x00, 0x03, 0x05, 0xde, 0xad,
+ 0x01, 0xa3, 0xa2, 0x2f, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x18, 0xe9, 0xef, 0x00, 0x02, 0x40, 0x06,
+ 0xba, 0xca, 0x0a, 0x00, 0xe1, 0x17, 0x0a, 0x00,
+ 0xe1, 0x0c, 0xb1, 0xa3, 0x00, 0x00
+ };
+ uint8_t tunnel_pkt[] = {
+ 0x00, 0x50, 0x56, 0x00, 0x03, 0x05, 0xde, 0xad,
+ 0x01, 0xa3, 0xa2, 0x2f, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x28, 0xe9, 0xef, 0x00, 0x00, 0x40, 0x06,
+ 0xba, 0xbc, 0x0a, 0x00, 0xe1, 0x17, 0x0a, 0x00,
+ 0xe1, 0x0c, 0x6e, 0x12, 0x01, 0xbd, 0x5b, 0xa3,
+ 0x81, 0x5e, 0xac, 0xb0, 0xae, 0x8a, 0x50, 0x10,
+ 0x80, 0x00, 0xb1, 0xa3, 0x00, 0x00
+ };
+
+ Packet *p = PacketGetFromAlloc();
+ if (unlikely(p == NULL))
+ return 0;
+ ThreadVars tv;
+ DecodeThreadVars dtv;
+ int result = 1;
+
+ memset(&tv, 0, sizeof(ThreadVars));
+ memset(&dtv, 0, sizeof(DecodeThreadVars));
+
+ FlowInitConfig(FLOW_QUIET);
+ DefragInit();
+
+ PacketCopyData(p, pkt1, sizeof(pkt1));
+ DecodeIPV4(&tv, &dtv, p, GET_PKT_DATA(p) + ETHERNET_HEADER_LEN,
+ GET_PKT_LEN(p) - ETHERNET_HEADER_LEN);
+ if (p->tcph != NULL) {
+ printf("tcp header should be NULL for ip fragment, but it isn't\n");
+ result = 0;
+ goto end;
+ }
+ PacketRecycle(p);
+
+ PacketCopyData(p, pkt2, sizeof(pkt2));
+ DecodeIPV4(&tv, &dtv, p, GET_PKT_DATA(p) + ETHERNET_HEADER_LEN,
+ GET_PKT_LEN(p) - ETHERNET_HEADER_LEN);
+ if (p->tcph != NULL) {
+ printf("tcp header should be NULL for ip fragment, but it isn't\n");
+ result = 0;
+ goto end;
+ }
+ PacketRecycle(p);
+
+ PacketCopyData(p, pkt3, sizeof(pkt3));
+ DecodeIPV4(&tv, &dtv, p, GET_PKT_DATA(p) + ETHERNET_HEADER_LEN,
+ GET_PKT_LEN(p) - ETHERNET_HEADER_LEN);
+ if (p->tcph != NULL) {
+ printf("tcp header should be NULL for ip fragment, but it isn't\n");
+ result = 0;
+ goto end;
+ }
+ Packet *tp = PacketDequeueNoLock(&tv.decode_pq);
+ if (tp == NULL) {
+ printf("Failed to get defragged pseudo packet\n");
+ result = 0;
+ goto end;
+ }
+ if (tp->recursion_level != p->recursion_level) {
+ printf("defragged pseudo packet's and parent packet's recursion "
+ "level don't match\n %d != %d",
+ tp->recursion_level, p->recursion_level);
+ result = 0;
+ goto end;
+ }
+ if (tp->ip4h == NULL || tp->tcph == NULL) {
+ printf("pseudo packet's ip header and tcp header shouldn't be NULL, "
+ "but it is\n");
+ result = 0;
+ goto end;
+ }
+ if (GET_PKT_LEN(tp) != sizeof(tunnel_pkt)) {
+ printf("defragged pseudo packet's and parent packet's pkt lens "
+ "don't match\n %u != %"PRIuMAX,
+ GET_PKT_LEN(tp), (uintmax_t)sizeof(tunnel_pkt));
+ result = 0;
+ goto end;
+ }
+ if (memcmp(GET_PKT_DATA(tp), tunnel_pkt, sizeof(tunnel_pkt)) != 0) {
+ result = 0;
+ goto end;
+ }
+
+ PacketRecycle(tp);
+ SCFree(tp);
+
+end:
+ DefragDestroy();
+ PacketRecycle(p);
+ FlowShutdown();
+ SCFree(p);
+ return result;
+}
+
+/**
+ * \test Don't send IPv4 fragments to the upper layer decoder and
+ * and packet recursion level test.
+ */
+static int DecodeIPV4DefragTest02(void)
+{
+ uint8_t pkt1[] = {
+ 0x00, 0x50, 0x56, 0x00, 0x03, 0x05, 0xde, 0xad,
+ 0x01, 0xa3, 0xa2, 0x2f, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x24, 0xe9, 0xef, 0x20, 0x00, 0x40, 0x06,
+ 0x9a, 0xc8, 0x0a, 0x00, 0xe1, 0x17, 0x0a, 0x00,
+ 0xe1, 0x0c,
+ /* first frag */
+ 0x6e, 0x12, 0x01, 0xbd, 0x5b, 0xa3,
+ 0x81, 0x5e, 0xac, 0xb0, 0xae, 0x8a, 0x50, 0x10,
+ 0x80, 0x00,
+ };
+ uint8_t pkt2[] = {
+ 0x00, 0x50, 0x56, 0x00, 0x03, 0x05, 0xde, 0xad,
+ 0x01, 0xa3, 0xa2, 0x2f, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x2c, 0xe9, 0xef, 0x20, 0x02, 0x40, 0x06,
+ 0xba, 0xca, 0x0a, 0x00, 0xe1, 0x17, 0x0a, 0x00,
+ 0xe1, 0x0c,
+ /* second frag */
+ 0xb1, 0xa3, 0x00, 0x10, 0x5b, 0xa3, 0x81, 0x5e,
+ 0xac, 0xb0, 0xae, 0x8a, 0x50, 0x10, 0x80, 0x00,
+ 0xb1, 0xa3, 0x00, 0x10, 0x01, 0x02, 0x03, 0x04
+ };
+ uint8_t pkt3[] = {
+ 0x00, 0x50, 0x56, 0x00, 0x03, 0x05, 0xde, 0xad,
+ 0x01, 0xa3, 0xa2, 0x2f, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x16, 0xe9, 0xef, 0x00, 0x05, 0x40, 0x06,
+ 0xba, 0xca, 0x0a, 0x00, 0xe1, 0x17, 0x0a, 0x00,
+ 0xe1, 0x0c,
+ /* final frag */
+ 0xb1, 0xa3,
+ };
+
+ uint8_t tunnel_pkt[] = {
+ 0x00, 0x50, 0x56, 0x00, 0x03, 0x05, 0xde, 0xad,
+ 0x01, 0xa3, 0xa2, 0x2f, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x3e, 0xe9, 0xef, 0x00, 0x00, 0x40, 0x06,
+ 0xba, 0xae, 0x0a, 0x00, 0xe1, 0x17, 0x0a, 0x00,
+ 0xe1, 0x0c,
+ 0x6e, 0x12, 0x01, 0xbd, 0x5b, 0xa3, 0x81, 0x5e,
+ 0xac, 0xb0, 0xae, 0x8a, 0x50, 0x10, 0x80, 0x00,
+ 0xb1, 0xa3, 0x00, 0x10, 0x5b, 0xa3, 0x81, 0x5e,
+ 0xac, 0xb0, 0xae, 0x8a, 0x50, 0x10, 0x80, 0x00,
+ 0xb1, 0xa3, 0x00, 0x10, 0x01, 0x02, 0x03, 0x04,
+ 0xb1, 0xa3,
+ };
+
+ Packet *p = PacketGetFromAlloc();
+ if (unlikely(p == NULL))
+ return 0;
+ ThreadVars tv;
+ DecodeThreadVars dtv;
+ int result = 0;
+
+ memset(&tv, 0, sizeof(ThreadVars));
+ memset(&dtv, 0, sizeof(DecodeThreadVars));
+
+ FlowInitConfig(FLOW_QUIET);
+ DefragInit();
+
+ PacketCopyData(p, pkt1, sizeof(pkt1));
+ DecodeIPV4(&tv, &dtv, p, GET_PKT_DATA(p) + ETHERNET_HEADER_LEN,
+ GET_PKT_LEN(p) - ETHERNET_HEADER_LEN);
+ if (p->tcph != NULL) {
+ printf("tcp header should be NULL for ip fragment, but it isn't\n");
+ goto end;
+ }
+ PacketRecycle(p);
+
+ PacketCopyData(p, pkt2, sizeof(pkt2));
+ DecodeIPV4(&tv, &dtv, p, GET_PKT_DATA(p) + ETHERNET_HEADER_LEN,
+ GET_PKT_LEN(p) - ETHERNET_HEADER_LEN);
+ if (p->tcph != NULL) {
+ printf("tcp header should be NULL for ip fragment, but it isn't\n");
+ goto end;
+ }
+ PacketRecycle(p);
+
+ p->recursion_level = 3;
+ PacketCopyData(p, pkt3, sizeof(pkt3));
+ DecodeIPV4(&tv, &dtv, p, GET_PKT_DATA(p) + ETHERNET_HEADER_LEN,
+ GET_PKT_LEN(p) - ETHERNET_HEADER_LEN);
+ if (p->tcph != NULL) {
+ printf("tcp header should be NULL for ip fragment, but it isn't\n");
+ goto end;
+ }
+ Packet *tp = PacketDequeueNoLock(&tv.decode_pq);
+ if (tp == NULL) {
+ printf("Failed to get defragged pseudo packet\n");
+ goto end;
+ }
+ if (tp->recursion_level != p->recursion_level) {
+ printf("defragged pseudo packet's and parent packet's recursion "
+ "level don't match %d != %d: ",
+ tp->recursion_level, p->recursion_level);
+ goto end;
+ }
+ if (tp->ip4h == NULL || tp->tcph == NULL) {
+ printf("pseudo packet's ip header and tcp header shouldn't be NULL, "
+ "but it is\n");
+ goto end;
+ }
+ if (GET_PKT_LEN(tp) != sizeof(tunnel_pkt)) {
+ printf("defragged pseudo packet's and parent packet's pkt lens "
+ "don't match %u != %"PRIuMAX": ",
+ GET_PKT_LEN(tp), (uintmax_t)sizeof(tunnel_pkt));
+ goto end;
+ }
+
+ if (memcmp(GET_PKT_DATA(tp), tunnel_pkt, sizeof(tunnel_pkt)) != 0) {
+ goto end;
+ }
+
+ result = 1;
+ PacketRecycle(tp);
+ SCFree(tp);
+
+end:
+ DefragDestroy();
+ PacketRecycle(p);
+ FlowShutdown();
+ SCFree(p);
+ return result;
+}
+
+/**
+ * \test IPV4 defrag and flow retrieval test.
+ */
+static int DecodeIPV4DefragTest03(void)
+{
+ uint8_t pkt[] = {
+ 0x00, 0x50, 0x56, 0x00, 0x03, 0x05, 0xde, 0xad,
+ 0x01, 0xa3, 0xa2, 0x2f, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x28, 0xe9, 0xee, 0x00, 0x00, 0x40, 0x06,
+ 0xba, 0xbd, 0x0a, 0x00, 0xe1, 0x17, 0x0a, 0x00,
+ 0xe1, 0x0c, 0x6e, 0x12, 0x01, 0xbd, 0x5b, 0xa3,
+ 0x81, 0x5d, 0x00, 0x00, 0x00, 0x00, 0x50, 0x02,
+ 0x80, 0x00, 0x0c, 0xee, 0x00, 0x00
+ };
+ uint8_t pkt1[] = {
+ 0x00, 0x50, 0x56, 0x00, 0x03, 0x05, 0xde, 0xad,
+ 0x01, 0xa3, 0xa2, 0x2f, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x1c, 0xe9, 0xef, 0x20, 0x00, 0x40, 0x06,
+ 0x9a, 0xc8, 0x0a, 0x00, 0xe1, 0x17, 0x0a, 0x00,
+ 0xe1, 0x0c, 0x6e, 0x12, 0x01, 0xbd, 0x5b, 0xa3,
+ 0x81, 0x5e
+ };
+ uint8_t pkt2[] = {
+ 0x00, 0x50, 0x56, 0x00, 0x03, 0x05, 0xde, 0xad,
+ 0x01, 0xa3, 0xa2, 0x2f, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x1c, 0xe9, 0xef, 0x20, 0x01, 0x40, 0x06,
+ 0x9a, 0xc7, 0x0a, 0x00, 0xe1, 0x17, 0x0a, 0x00,
+ 0xe1, 0x0c, 0xac, 0xb0, 0xae, 0x8a, 0x50, 0x10,
+ 0x80, 0x00
+ };
+ uint8_t pkt3[] = {
+ 0x00, 0x50, 0x56, 0x00, 0x03, 0x05, 0xde, 0xad,
+ 0x01, 0xa3, 0xa2, 0x2f, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x18, 0xe9, 0xef, 0x00, 0x02, 0x40, 0x06,
+ 0xba, 0xca, 0x0a, 0x00, 0xe1, 0x17, 0x0a, 0x00,
+ 0xe1, 0x0c, 0xb1, 0xa3, 0x00, 0x00
+ };
+ uint8_t tunnel_pkt[] = {
+ 0x00, 0x50, 0x56, 0x00, 0x03, 0x05, 0xde, 0xad,
+ 0x01, 0xa3, 0xa2, 0x2f, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x28, 0xe9, 0xef, 0x00, 0x00, 0x40, 0x06,
+ 0xba, 0xbc, 0x0a, 0x00, 0xe1, 0x17, 0x0a, 0x00,
+ 0xe1, 0x0c, 0x6e, 0x12, 0x01, 0xbd, 0x5b, 0xa3,
+ 0x81, 0x5e, 0xac, 0xb0, 0xae, 0x8a, 0x50, 0x10,
+ 0x80, 0x00, 0xb1, 0xa3, 0x00, 0x00
+ };
+
+ Packet *p = PacketGetFromAlloc();
+ if (unlikely(p == NULL))
+ return 0;
+ ThreadVars tv;
+ DecodeThreadVars dtv;
+ int result = 1;
+
+ memset(&tv, 0, sizeof(ThreadVars));
+ memset(&dtv, 0, sizeof(DecodeThreadVars));
+
+ FlowInitConfig(FLOW_QUIET);
+ DefragInit();
+
+ PacketCopyData(p, pkt, sizeof(pkt));
+ DecodeIPV4(&tv, &dtv, p, GET_PKT_DATA(p) + ETHERNET_HEADER_LEN,
+ GET_PKT_LEN(p) - ETHERNET_HEADER_LEN);
+ if (p->tcph == NULL) {
+ printf("tcp header shouldn't be NULL, but it is\n");
+ result = 0;
+ goto end;
+ }
+ if (!(p->flags & PKT_WANTS_FLOW)) {
+ printf("packet flow shouldn't be NULL\n");
+ result = 0;
+ goto end;
+ }
+ PacketRecycle(p);
+
+ PacketCopyData(p, pkt1, sizeof(pkt1));
+ DecodeIPV4(&tv, &dtv, p, GET_PKT_DATA(p) + ETHERNET_HEADER_LEN,
+ GET_PKT_LEN(p) - ETHERNET_HEADER_LEN);
+ if (p->tcph != NULL) {
+ printf("tcp header should be NULL for ip fragment, but it isn't\n");
+ result = 0;
+ goto end;
+ }
+ PacketRecycle(p);
+
+ PacketCopyData(p, pkt2, sizeof(pkt2));
+ DecodeIPV4(&tv, &dtv, p, GET_PKT_DATA(p) + ETHERNET_HEADER_LEN,
+ GET_PKT_LEN(p) - ETHERNET_HEADER_LEN);
+ if (p->tcph != NULL) {
+ printf("tcp header should be NULL for ip fragment, but it isn't\n");
+ result = 0;
+ goto end;
+ }
+ PacketRecycle(p);
+
+ PacketCopyData(p, pkt3, sizeof(pkt3));
+ DecodeIPV4(&tv, &dtv, p, GET_PKT_DATA(p) + ETHERNET_HEADER_LEN,
+ GET_PKT_LEN(p) - ETHERNET_HEADER_LEN);
+ if (p->tcph != NULL) {
+ printf("tcp header should be NULL for ip fragment, but it isn't\n");
+ result = 0;
+ goto end;
+ }
+
+ Packet *tp = PacketDequeueNoLock(&tv.decode_pq);
+ if (tp == NULL) {
+ printf("Failed to get defragged pseudo packet\n");
+ result = 0;
+ goto end;
+ }
+ if (!(tp->flags & PKT_WANTS_FLOW)) {
+ result = 0;
+ goto end;
+ }
+ if (tp->flow_hash != p->flow_hash) {
+ result = 0;
+ goto end;
+ }
+ if (tp->recursion_level != p->recursion_level) {
+ printf("defragged pseudo packet's and parent packet's recursion "
+ "level don't match\n %d != %d",
+ tp->recursion_level, p->recursion_level);
+ result = 0;
+ goto end;
+ }
+ if (tp->ip4h == NULL || tp->tcph == NULL) {
+ printf("pseudo packet's ip header and tcp header shouldn't be NULL, "
+ "but it is\n");
+ result = 0;
+ goto end;
+ }
+ if (GET_PKT_LEN(tp) != sizeof(tunnel_pkt)) {
+ printf("defragged pseudo packet's and parent packet's pkt lens "
+ "don't match\n %u != %"PRIuMAX,
+ GET_PKT_LEN(tp), (uintmax_t)sizeof(tunnel_pkt));
+ result = 0;
+ goto end;
+ }
+
+ if (memcmp(GET_PKT_DATA(tp), tunnel_pkt, sizeof(tunnel_pkt)) != 0) {
+ result = 0;
+ goto end;
+ }
+
+ PacketRecycle(tp);
+ SCFree(tp);
+
+end:
+ DefragDestroy();
+ PacketRecycle(p);
+ FlowShutdown();
+ SCFree(p);
+ return result;
+}
+
+/**
+ */
+static int DecodeEthernetTestIPv4Opt(void)
+{
+ uint8_t raw_eth[] = {
+ 0xae, 0x71, 0x00, 0x00, 0x00, 0x4b, 0x06, 0x90, 0x61, 0x02, 0x00, 0xcd, 0x88, 0x64, 0x11, 0x00,
+ 0x15, 0x00, 0x80, 0x64, 0x00, 0x21, 0x4c, 0x00, 0x00, 0x30, 0x42, 0xd6, 0xff, 0xff, 0xbd, 0x2f,
+ 0x02, 0x02, 0x00, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+ 0x01, 0x44, 0x05, 0x22, 0x02, 0x01
+ };
+
+ DefragInit();
+
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF_NULL(p);
+ ThreadVars tv;
+ DecodeThreadVars dtv;
+
+ memset(&dtv, 0, sizeof(DecodeThreadVars));
+ memset(&tv, 0, sizeof(ThreadVars));
+
+ DecodeEthernet(&tv, &dtv, p, raw_eth, sizeof(raw_eth));
+
+ SCFree(p);
+ DefragDestroy();
+ PASS;
+}
+
+#endif /* UNITTESTS */
+
+void DecodeIPV4RegisterTests(void)
+{
+#ifdef UNITTESTS
+ UtRegisterTest("DecodeIPV4OptionsNONETest01", DecodeIPV4OptionsNONETest01);
+ UtRegisterTest("DecodeIPV4OptionsEOLTest01", DecodeIPV4OptionsEOLTest01);
+ UtRegisterTest("DecodeIPV4OptionsNOPTest01", DecodeIPV4OptionsNOPTest01);
+ UtRegisterTest("DecodeIPV4OptionsRRTest01", DecodeIPV4OptionsRRTest01);
+ UtRegisterTest("DecodeIPV4OptionsRRTest02", DecodeIPV4OptionsRRTest02);
+ UtRegisterTest("DecodeIPV4OptionsRRTest03", DecodeIPV4OptionsRRTest03);
+ UtRegisterTest("DecodeIPV4OptionsRRTest04", DecodeIPV4OptionsRRTest04);
+ UtRegisterTest("DecodeIPV4OptionsQSTest01", DecodeIPV4OptionsQSTest01);
+ UtRegisterTest("DecodeIPV4OptionsQSTest02", DecodeIPV4OptionsQSTest02);
+ UtRegisterTest("DecodeIPV4OptionsTSTest01", DecodeIPV4OptionsTSTest01);
+ UtRegisterTest("DecodeIPV4OptionsTSTest02", DecodeIPV4OptionsTSTest02);
+ UtRegisterTest("DecodeIPV4OptionsTSTest03", DecodeIPV4OptionsTSTest03);
+ UtRegisterTest("DecodeIPV4OptionsTSTest04", DecodeIPV4OptionsTSTest04);
+ UtRegisterTest("DecodeIPV4OptionsSECTest01", DecodeIPV4OptionsSECTest01);
+ UtRegisterTest("DecodeIPV4OptionsSECTest02", DecodeIPV4OptionsSECTest02);
+ UtRegisterTest("DecodeIPV4OptionsESECTest01", DecodeIPV4OptionsESECTest01);
+ UtRegisterTest("DecodeIPV4OptionsESECTest02", DecodeIPV4OptionsESECTest02);
+ UtRegisterTest("DecodeIPV4OptionsLSRRTest01", DecodeIPV4OptionsLSRRTest01);
+ UtRegisterTest("DecodeIPV4OptionsLSRRTest02", DecodeIPV4OptionsLSRRTest02);
+ UtRegisterTest("DecodeIPV4OptionsLSRRTest03", DecodeIPV4OptionsLSRRTest03);
+ UtRegisterTest("DecodeIPV4OptionsLSRRTest04", DecodeIPV4OptionsLSRRTest04);
+ UtRegisterTest("DecodeIPV4OptionsCIPSOTest01",
+ DecodeIPV4OptionsCIPSOTest01);
+ UtRegisterTest("DecodeIPV4OptionsSIDTest01", DecodeIPV4OptionsSIDTest01);
+ UtRegisterTest("DecodeIPV4OptionsSIDTest02", DecodeIPV4OptionsSIDTest02);
+ UtRegisterTest("DecodeIPV4OptionsSSRRTest01", DecodeIPV4OptionsSSRRTest01);
+ UtRegisterTest("DecodeIPV4OptionsSSRRTest02", DecodeIPV4OptionsSSRRTest02);
+ UtRegisterTest("DecodeIPV4OptionsSSRRTest03", DecodeIPV4OptionsSSRRTest03);
+ UtRegisterTest("DecodeIPV4OptionsSSRRTest04", DecodeIPV4OptionsSSRRTest04);
+ UtRegisterTest("DecodeIPV4OptionsRTRALTTest01",
+ DecodeIPV4OptionsRTRALTTest01);
+ UtRegisterTest("DecodeIPV4OptionsRTRALTTest02",
+ DecodeIPV4OptionsRTRALTTest02);
+ UtRegisterTest("IPV4CalculateValidChecksumtest01",
+ IPV4CalculateValidChecksumtest01);
+ UtRegisterTest("IPV4CalculateInvalidChecksumtest02",
+ IPV4CalculateInvalidChecksumtest02);
+ UtRegisterTest("DecodeIPV4DefragTest01", DecodeIPV4DefragTest01);
+ UtRegisterTest("DecodeIPV4DefragTest02", DecodeIPV4DefragTest02);
+ UtRegisterTest("DecodeIPV4DefragTest03", DecodeIPV4DefragTest03);
+ UtRegisterTest("DecodeEthernetTestIPv4Opt", DecodeEthernetTestIPv4Opt);
+#endif /* UNITTESTS */
+}
+/**
+ * @}
+ */
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-24 10:41:52 +0000