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authorAshlee Young <ashlee@onosfw.com>2015-09-09 22:21:41 -0700
committerAshlee Young <ashlee@onosfw.com>2015-09-09 22:21:41 -0700
commit8879b125d26e8db1a5633de5a9c692eb2d1c4f83 (patch)
treec7259d85a991b83dfa85ab2e339360669fc1f58e /framework/src/suricata/src/decode-raw.c
parent13d05bc8458758ee39cb829098241e89616717ee (diff)
suricata checkin based on commit id a4bce14770beee46a537eda3c3f6e8e8565d5d0a
Change-Id: I9a214fa0ee95e58fc640e50bd604dac7f42db48f
Diffstat (limited to 'framework/src/suricata/src/decode-raw.c')
-rw-r--r--framework/src/suricata/src/decode-raw.c232
1 files changed, 232 insertions, 0 deletions
diff --git a/framework/src/suricata/src/decode-raw.c b/framework/src/suricata/src/decode-raw.c
new file mode 100644
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--- /dev/null
+++ b/framework/src/suricata/src/decode-raw.c
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+/* 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 William Metcalf <william.metcalf@gmail.com>
+ *
+ * Decode RAW
+ */
+
+#include "suricata-common.h"
+#include "decode.h"
+#include "decode-raw.h"
+#include "decode-events.h"
+
+#include "util-unittest.h"
+#include "util-debug.h"
+
+#include "pkt-var.h"
+#include "util-profiling.h"
+#include "host.h"
+
+
+int DecodeRaw(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p, uint8_t *pkt, uint16_t len, PacketQueue *pq)
+{
+ StatsIncr(tv, dtv->counter_raw);
+
+ /* If it is ipv4 or ipv6 it should at least be the size of ipv4 */
+ if (unlikely(len < IPV4_HEADER_LEN)) {
+ ENGINE_SET_INVALID_EVENT(p, IPV4_PKT_TOO_SMALL);
+ return TM_ECODE_FAILED;
+ }
+
+ if (IP_GET_RAW_VER(pkt) == 4) {
+ SCLogDebug("IPV4 Packet");
+ DecodeIPV4(tv, dtv, p, GET_PKT_DATA(p), GET_PKT_LEN(p), pq);
+ } else if (IP_GET_RAW_VER(pkt) == 6) {
+ SCLogDebug("IPV6 Packet");
+ DecodeIPV6(tv, dtv, p, GET_PKT_DATA(p), GET_PKT_LEN(p), pq);
+ } else {
+ SCLogDebug("Unknown ip version %" PRIu8 "", IP_GET_RAW_VER(pkt));
+ ENGINE_SET_EVENT(p,IPRAW_INVALID_IPV);
+ }
+ return TM_ECODE_OK;
+}
+
+#ifdef UNITTESTS
+#include "flow.h"
+#include "flow-util.h"
+
+/** DecodeRawtest01
+ * \brief Valid Raw packet
+ * \retval 0 Expected test value
+ */
+static int DecodeRawTest01 (void)
+{
+
+ /* IPV6/TCP/no eth header */
+ uint8_t raw_ip[] = {
+ 0x60, 0x00, 0x00, 0x00, 0x00, 0x28, 0x06, 0x40,
+ 0x20, 0x01, 0x06, 0x18, 0x04, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x51, 0x99, 0xcc, 0x70,
+ 0x20, 0x01, 0x06, 0x18, 0x00, 0x01, 0x80, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
+ 0x8c, 0x9b, 0x00, 0x50, 0x6a, 0xe7, 0x07, 0x36,
+ 0x00, 0x00, 0x00, 0x00, 0xa0, 0x02, 0x16, 0x30,
+ 0x29, 0x9c, 0x00, 0x00, 0x02, 0x04, 0x05, 0x8c,
+ 0x04, 0x02, 0x08, 0x0a, 0x00, 0xdd, 0x1a, 0x39,
+ 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x03, 0x02 };
+ Packet *p = PacketGetFromAlloc();
+ if (unlikely(p == NULL))
+ return 0;
+ ThreadVars tv;
+ DecodeThreadVars dtv;
+
+ memset(&dtv, 0, sizeof(DecodeThreadVars));
+ memset(&tv, 0, sizeof(ThreadVars));
+
+ if (PacketCopyData(p, raw_ip, sizeof(raw_ip)) == -1) {
+ SCFree(p);
+ return 1;
+ }
+
+ FlowInitConfig(FLOW_QUIET);
+
+ DecodeRaw(&tv, &dtv, p, raw_ip, GET_PKT_LEN(p), NULL);
+ if (p->ip6h == NULL) {
+ printf("expected a valid ipv6 header but it was NULL: ");
+ FlowShutdown();
+ SCFree(p);
+ return 1;
+ }
+
+ PACKET_RECYCLE(p);
+ FlowShutdown();
+ SCFree(p);
+ return 0;
+
+}
+/** DecodeRawtest02
+ * \brief Valid Raw packet
+ * \retval 0 Expected test value
+ */
+static int DecodeRawTest02 (void)
+{
+
+ /* IPV4/TCP/no eth header */
+ uint8_t raw_ip[] = {
+ 0x45, 0x00, 0x00, 0x30, 0x00, 0xad, 0x40, 0x00,
+ 0x7f, 0x06, 0xac, 0xc5, 0xc0, 0xa8, 0x67, 0x02,
+ 0xc0, 0xa8, 0x66, 0x02, 0x0b, 0xc7, 0x00, 0x50,
+ 0x1d, 0xb3, 0x12, 0x37, 0x00, 0x00, 0x00, 0x00,
+ 0x70, 0x02, 0x40, 0x00, 0xb8, 0xc8, 0x00, 0x00,
+ 0x02, 0x04, 0x05, 0xb4, 0x01, 0x01, 0x04, 0x02 };
+
+ Packet *p = PacketGetFromAlloc();
+ if (unlikely(p == NULL))
+ return 0;
+ ThreadVars tv;
+ DecodeThreadVars dtv;
+
+ memset(&dtv, 0, sizeof(DecodeThreadVars));
+ memset(&tv, 0, sizeof(ThreadVars));
+
+ if (PacketCopyData(p, raw_ip, sizeof(raw_ip)) == -1) {
+ SCFree(p);
+ return 1;
+ }
+
+ FlowInitConfig(FLOW_QUIET);
+
+ DecodeRaw(&tv, &dtv, p, raw_ip, GET_PKT_LEN(p), NULL);
+ if (p->ip4h == NULL) {
+ printf("expected a valid ipv4 header but it was NULL: ");
+ PACKET_RECYCLE(p);
+ FlowShutdown();
+ SCFree(p);
+ return 1;
+ }
+
+ PACKET_RECYCLE(p);
+ FlowShutdown();
+ SCFree(p);
+ return 0;
+}
+/** 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 = PacketGetFromAlloc();
+ if (unlikely(p == NULL))
+ return 0;
+ ThreadVars tv;
+ DecodeThreadVars dtv;
+
+ memset(&dtv, 0, sizeof(DecodeThreadVars));
+ memset(&tv, 0, sizeof(ThreadVars));
+
+ if (PacketCopyData(p, raw_ip, sizeof(raw_ip)) == -1) {
+ SCFree(p);
+ return 1;
+ }
+
+ FlowInitConfig(FLOW_QUIET);
+
+ DecodeRaw(&tv, &dtv, p, raw_ip, GET_PKT_LEN(p), NULL);
+ if (ENGINE_ISSET_EVENT(p,IPRAW_INVALID_IPV)) {
+ FlowShutdown();
+ SCFree(p);
+ return 0;
+ } else {
+ printf("expected IPRAW_INVALID_IPV to be set but it wasn't: ");
+ }
+ PACKET_RECYCLE(p);
+ FlowShutdown();
+ SCFree(p);
+ 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 */
+}
+/**
+ * @}
+ */