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-rw-r--r--framework/src/suricata/src/detect-dce-iface.c1837
1 files changed, 1837 insertions, 0 deletions
diff --git a/framework/src/suricata/src/detect-dce-iface.c b/framework/src/suricata/src/detect-dce-iface.c
new file mode 100644
index 00000000..60da43ed
--- /dev/null
+++ b/framework/src/suricata/src/detect-dce-iface.c
@@ -0,0 +1,1837 @@
+/* Copyright (C) 2007-2010 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.
+ */
+
+/**
+ * \file
+ *
+ * \author Anoop Saldanha <anoopsaldanha@gmail.com>
+ *
+ * Implements dce_iface keyword.
+ */
+
+#include "suricata-common.h"
+
+#include "detect.h"
+#include "detect-parse.h"
+
+#include "detect-engine.h"
+#include "detect-engine-mpm.h"
+#include "detect-engine-state.h"
+#include "detect-dce-iface.h"
+
+#include "flow.h"
+#include "flow-var.h"
+#include "flow-util.h"
+
+#include "app-layer.h"
+#include "app-layer-dcerpc.h"
+#include "queue.h"
+#include "stream-tcp-reassemble.h"
+
+#include "util-debug.h"
+#include "util-unittest.h"
+#include "util-unittest-helper.h"
+#include "stream-tcp.h"
+
+#define DETECT_DCE_IFACE_PCRE_PARSE_ARGS "^\\s*([0-9a-zA-Z]{8}-[0-9a-zA-Z]{4}-[0-9a-zA-Z]{4}-[0-9a-zA-Z]{4}-[0-9a-zA-Z]{12})(?:\\s*,(<|>|=|!)([0-9]{1,5}))?(?:\\s*,(any_frag))?\\s*$"
+
+static pcre *parse_regex = NULL;
+static pcre_extra *parse_regex_study = NULL;
+
+int DetectDceIfaceMatch(ThreadVars *, DetectEngineThreadCtx *, Flow *, uint8_t,
+ void *, Signature *, SigMatch *);
+static int DetectDceIfaceSetup(DetectEngineCtx *, Signature *, char *);
+void DetectDceIfaceFree(void *);
+
+/**
+ * \brief Registers the keyword handlers for the "dce_iface" keyword.
+ */
+void DetectDceIfaceRegister(void)
+{
+ const char *eb;
+ int eo;
+ int opts = 0;
+
+ sigmatch_table[DETECT_DCE_IFACE].name = "dce_iface";
+ sigmatch_table[DETECT_DCE_IFACE].alproto = ALPROTO_DCERPC;
+ sigmatch_table[DETECT_DCE_IFACE].Match = NULL;
+ sigmatch_table[DETECT_DCE_IFACE].AppLayerMatch = DetectDceIfaceMatch;
+ sigmatch_table[DETECT_DCE_IFACE].Setup = DetectDceIfaceSetup;
+ sigmatch_table[DETECT_DCE_IFACE].Free = DetectDceIfaceFree;
+ sigmatch_table[DETECT_DCE_IFACE].RegisterTests = DetectDceIfaceRegisterTests;
+
+ sigmatch_table[DETECT_DCE_IFACE].flags |= SIGMATCH_PAYLOAD;
+
+ parse_regex = pcre_compile(DETECT_DCE_IFACE_PCRE_PARSE_ARGS, opts, &eb,
+ &eo, NULL);
+ if (parse_regex == NULL) {
+ SCLogDebug("pcre compile of \"%s\" failed at offset %" PRId32 ": %s",
+ DETECT_DCE_IFACE_PCRE_PARSE_ARGS, eo, eb);
+ goto error;
+ }
+
+ parse_regex_study = pcre_study(parse_regex, 0, &eb);
+ if (eb != NULL) {
+ SCLogDebug("pcre study failed: %s", eb);
+ goto error;
+ }
+
+ return;
+
+ error:
+ /* we need to handle error?! */
+ return;
+}
+
+/**
+ * \internal
+ * \brief Parses the argument sent along with the "dce_iface" keyword.
+ *
+ * \param arg Pointer to the string containing the argument to be parsed.
+ *
+ * \retval did Pointer to a DetectDceIfaceData instance that holds the data
+ * from the parsed arg.
+ */
+static inline DetectDceIfaceData *DetectDceIfaceArgParse(const char *arg)
+{
+ DetectDceIfaceData *did = NULL;
+#define MAX_SUBSTRINGS 30
+ int ret = 0, res = 0;
+ int ov[MAX_SUBSTRINGS];
+ uint8_t hex_value;
+ char copy_str[128] = "";
+ int i = 0, j = 0;
+ int len = 0;
+ char temp_str[3] = "";
+ int version;
+
+ ret = pcre_exec(parse_regex, parse_regex_study, arg, strlen(arg), 0, 0, ov,
+ MAX_SUBSTRINGS);
+ if (ret < 2) {
+ SCLogError(SC_ERR_PCRE_MATCH, "pcre_exec parse error, ret %" PRId32 ", string %s", ret, arg);
+ goto error;
+ }
+
+ if ( (did = SCMalloc(sizeof(DetectDceIfaceData))) == NULL)
+ goto error;
+ memset(did, 0, sizeof(DetectDceIfaceData));
+
+ /* retrieve the iface uuid string. iface uuid is a compulsion in the keyword */
+ res = pcre_copy_substring(arg, ov, MAX_SUBSTRINGS, 1, copy_str, sizeof(copy_str));
+ if (res < 0) {
+ SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_copy_substring failed");
+ goto error;
+ }
+
+ /* parse the iface uuid string */
+ len = strlen(copy_str);
+ j = 0;
+ temp_str[2] = '\0';
+ for (i = 0; i < len; ) {
+ if (copy_str[i] == '-') {
+ i++;
+ continue;
+ }
+
+ temp_str[0] = copy_str[i];
+ temp_str[1] = copy_str[i + 1];
+
+ hex_value = strtol(temp_str, NULL, 16);
+ did->uuid[j] = hex_value;
+ i += 2;
+ j++;
+ }
+
+ /* if the regex has 3 or 5, any_frag option is present in the signature */
+ if (ret == 3 || ret == 5)
+ did->any_frag = 1;
+
+ /* if the regex has 4 or 5, version/operator is present in the signature */
+ if (ret == 4 || ret == 5) {
+ /* first handle the version number, so that we can do some additional
+ * validations of the version number, wrt. the operator */
+ res = pcre_copy_substring(arg, ov, MAX_SUBSTRINGS, 3, copy_str, sizeof(copy_str));
+ if (res < 0) {
+ SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_copy_substring failed");
+ goto error;
+ }
+
+ version = atoi(copy_str);
+ if (version > UINT16_MAX) {
+ SCLogError(SC_ERR_INVALID_SIGNATURE, "DCE_IFACE interface version "
+ "invalid: %d\n", version);
+ goto error;
+ }
+ did->version = version;
+
+ /* now let us handle the operator supplied with the version number */
+ res = pcre_copy_substring(arg, ov, MAX_SUBSTRINGS, 2, copy_str, sizeof(copy_str));
+ if (res < 0) {
+ SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_copy_substring failed");
+ goto error;
+ }
+
+ switch (copy_str[0]) {
+ case '<':
+ if (version == 0) {
+ SCLogError(SC_ERR_INVALID_SIGNATURE, "DCE_IFACE interface "
+ "version invalid: %d. Version can't be less"
+ "than 0, with \"<\" operator", version);
+ goto error;
+ }
+
+ did->op = DETECT_DCE_IFACE_OP_LT;
+ break;
+ case '>':
+ if (version == UINT16_MAX) {
+ SCLogError(SC_ERR_INVALID_SIGNATURE, "DCE_IFACE interface "
+ "version invalid: %d. Version can't be greater"
+ "than %d, with \">\" operator", version,
+ UINT16_MAX);
+ goto error;
+ }
+
+ did->op = DETECT_DCE_IFACE_OP_GT;
+ break;
+ case '=':
+ did->op = DETECT_DCE_IFACE_OP_EQ;
+ break;
+ case '!':
+ did->op = DETECT_DCE_IFACE_OP_NE;
+ break;
+ }
+ }
+
+ return did;
+
+ error:
+ if (did != NULL)
+ SCFree(did);
+ return NULL;
+}
+
+/**
+ * \internal
+ * \brief Internal function that compares the dce interface version for this
+ * flow, to the signature's interface version specified using the
+ * dce_iface keyword.
+ *
+ * \param version The dce interface version for this flow.
+ * \param dce_data Pointer to the Signature's dce_iface keyword
+ * state(DetectDceIfaceData *).
+ */
+static inline int DetectDceIfaceMatchIfaceVersion(uint16_t version,
+ DetectDceIfaceData *dce_data)
+{
+ switch (dce_data->op) {
+ case DETECT_DCE_IFACE_OP_LT:
+ return (version < dce_data->version);
+ case DETECT_DCE_IFACE_OP_GT:
+ return (version > dce_data->version);
+ case DETECT_DCE_IFACE_OP_EQ:
+ return (version == dce_data->version);
+ case DETECT_DCE_IFACE_OP_NE:
+ return (version != dce_data->version);
+ default:
+ return 1;
+ }
+}
+
+/**
+ * \brief App layer match function for the "dce_iface" keyword.
+ *
+ * \param t Pointer to the ThreadVars instance.
+ * \param det_ctx Pointer to the DetectEngineThreadCtx.
+ * \param f Pointer to the flow.
+ * \param flags Pointer to the flags indicating the flow direction.
+ * \param state Pointer to the app layer state data.
+ * \param s Pointer to the Signature instance.
+ * \param m Pointer to the SigMatch.
+ *
+ * \retval 1 On Match.
+ * \retval 0 On no match.
+ */
+int DetectDceIfaceMatch(ThreadVars *t, DetectEngineThreadCtx *det_ctx, Flow *f,
+ uint8_t flags, void *state, Signature *s, SigMatch *m)
+{
+ SCEnter();
+
+ int ret = 0;
+ DCERPCUuidEntry *item = NULL;
+ int i = 0;
+ DetectDceIfaceData *dce_data = (DetectDceIfaceData *)m->ctx;
+ DCERPCState *dcerpc_state = (DCERPCState *)state;
+ if (dcerpc_state == NULL) {
+ SCLogDebug("No DCERPCState for the flow");
+ SCReturnInt(0);
+ }
+
+ /* we still haven't seen a request */
+ if (!dcerpc_state->dcerpc.dcerpcrequest.first_request_seen)
+ goto end;
+
+ if (!(dcerpc_state->dcerpc.dcerpchdr.type == REQUEST))
+ goto end;
+
+ TAILQ_FOREACH(item, &dcerpc_state->dcerpc.dcerpcbindbindack.accepted_uuid_list, next) {
+ SCLogDebug("item %p", item);
+ ret = 1;
+
+ /* if any_frag is not enabled, we need to match only against the first
+ * fragment */
+ if (!dce_data->any_frag && !(item->flags & DCERPC_UUID_ENTRY_FLAG_FF))
+ continue;
+
+ /* if the uuid has been rejected(item->result == 1), we skip to the
+ * next uuid */
+ if (item->result != 0)
+ continue;
+
+ /* check the interface uuid */
+ for (i = 0; i < 16; i++) {
+ if (dce_data->uuid[i] != item->uuid[i]) {
+ ret = 0;
+ break;
+ }
+ }
+ ret &= (item->ctxid == dcerpc_state->dcerpc.dcerpcrequest.ctxid);
+ if (ret == 0)
+ continue;
+
+ /* check the interface version */
+ if (dce_data->op != DETECT_DCE_IFACE_OP_NONE &&
+ !DetectDceIfaceMatchIfaceVersion(item->version, dce_data)) {
+ ret &= 0;
+ }
+
+ /* we have a match. Time to leave with a match */
+ if (ret == 1)
+ goto end;
+ }
+
+end:
+ SCReturnInt(ret);
+}
+
+/**
+ * \brief Creates a SigMatch for the "dce_iface" keyword being sent as argument,
+ * and appends it to the Signature(s).
+ *
+ * \param de_ctx Pointer to the detection engine context.
+ * \param s Pointer to signature for the current Signature being parsed
+ * from the rules.
+ * \param arg Pointer to the string holding the keyword value.
+ *
+ * \retval 0 on success, -1 on failure.
+ */
+
+static int DetectDceIfaceSetup(DetectEngineCtx *de_ctx, Signature *s, char *arg)
+{
+ DetectDceIfaceData *did = NULL;
+ SigMatch *sm = NULL;
+
+ did = DetectDceIfaceArgParse(arg);
+ if (did == NULL) {
+ SCLogError(SC_ERR_INVALID_SIGNATURE, "Error parsing dec_iface option in "
+ "signature");
+ goto error;
+ }
+
+ sm = SigMatchAlloc();
+ if (sm == NULL)
+ goto error;
+
+ sm->type = DETECT_DCE_IFACE;
+ sm->ctx = (void *)did;
+
+ SigMatchAppendSMToList(s, sm, DETECT_SM_LIST_AMATCH);
+
+ if (s->alproto != ALPROTO_UNKNOWN && s->alproto != ALPROTO_DCERPC) {
+ SCLogError(SC_ERR_CONFLICTING_RULE_KEYWORDS, "rule contains conflicting keywords.");
+ goto error;
+ }
+
+ s->alproto = ALPROTO_DCERPC;
+ /* Flagged the signature as to inspect the app layer data */
+ s->flags |= SIG_FLAG_APPLAYER;
+ return 0;
+
+ error:
+ DetectDceIfaceFree(did);
+ if (sm != NULL)
+ SCFree(sm);
+ return -1;
+}
+
+void DetectDceIfaceFree(void *ptr)
+{
+ SCFree(ptr);
+
+ return;
+}
+
+/************************************Unittests*********************************/
+
+#ifdef UNITTESTS
+
+static int DetectDceIfaceTestParse01(void)
+{
+ SCEnter();
+
+ Signature *s = SigAlloc();
+ if (s == NULL)
+ return 0;
+
+ int result = 0;
+ DetectDceIfaceData *did = NULL;
+ uint8_t test_uuid[] = {0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34,
+ 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC};
+ SigMatch *temp = NULL;
+ int i = 0;
+
+ result = (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-123456789ABC") == 0);
+
+ if (s->sm_lists[DETECT_SM_LIST_AMATCH] == NULL) {
+ SCReturnInt(0);
+ }
+
+ temp = s->sm_lists[DETECT_SM_LIST_AMATCH];
+ did = (DetectDceIfaceData *)temp->ctx;
+ if (did == NULL) {
+ SCReturnInt(0);
+ }
+
+ result &= 1;
+ for (i = 0; i < 16; i++) {
+ if (did->uuid[i] != test_uuid[i]) {
+ result = 0;
+ break;
+ }
+ }
+
+ result &= (did->version == 0);
+ result &= (did->op == 0);
+ result &= (did->any_frag == 0);
+
+ SigFree(s);
+ SCReturnInt(result);
+}
+
+static int DetectDceIfaceTestParse02(void)
+{
+ SCEnter();
+
+ Signature *s = SigAlloc();
+ if (s == NULL)
+ return 0;
+
+ int result = 0;
+ DetectDceIfaceData *did = NULL;
+ uint8_t test_uuid[] = {0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34,
+ 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC};
+ SigMatch *temp = NULL;
+ int i = 0;
+
+ result = (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-123456789ABC,>1") == 0);
+
+ if (s->sm_lists[DETECT_SM_LIST_AMATCH] == NULL) {
+ SCReturnInt(0);
+ }
+
+ temp = s->sm_lists[DETECT_SM_LIST_AMATCH];
+ did = (DetectDceIfaceData *)temp->ctx;
+ if (did == NULL) {
+ SCReturnInt(0);
+ }
+
+ result &= 1;
+ for (i = 0; i < 16; i++) {
+ if (did->uuid[i] != test_uuid[i]) {
+ result = 0;
+ break;
+ }
+ }
+
+ result &= (did->version == 1);
+ result &= (did->op == DETECT_DCE_IFACE_OP_GT);
+ result &= (did->any_frag == 0);
+
+ SigFree(s);
+ SCReturnInt(result);
+}
+
+static int DetectDceIfaceTestParse03(void)
+{
+ SCEnter();
+
+ Signature *s = SigAlloc();
+ if (s == NULL)
+ return 0;
+
+ int result = 0;
+ DetectDceIfaceData *did = NULL;
+ uint8_t test_uuid[] = {0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34,
+ 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC};
+ SigMatch *temp = NULL;
+ int i = 0;
+
+ result = (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-123456789ABC,<10") == 0);
+
+ if (s->sm_lists[DETECT_SM_LIST_AMATCH] == NULL) {
+ SCReturnInt(0);
+ }
+
+ temp = s->sm_lists[DETECT_SM_LIST_AMATCH];
+ did = (DetectDceIfaceData *)temp->ctx;
+ result &= 1;
+ for (i = 0; i < 16; i++) {
+ if (did->uuid[i] != test_uuid[i]) {
+ result = 0;
+ break;
+ }
+ }
+
+ result &= (did->version == 10);
+ result &= (did->op == DETECT_DCE_IFACE_OP_LT);
+ result &= (did->any_frag == 0);
+
+ SigFree(s);
+ SCReturnInt(result);
+}
+
+static int DetectDceIfaceTestParse04(void)
+{
+ SCEnter();
+
+ Signature *s = SigAlloc();
+ if (s == NULL)
+ return 0;
+
+ int result = 0;
+ DetectDceIfaceData *did = NULL;
+ uint8_t test_uuid[] = {0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34,
+ 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC};
+ SigMatch *temp = NULL;
+ int i = 0;
+
+ result = (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-123456789ABC,!10") == 0);
+
+ if (s->sm_lists[DETECT_SM_LIST_AMATCH] == NULL) {
+ SCReturnInt(0);
+ }
+
+ temp = s->sm_lists[DETECT_SM_LIST_AMATCH];
+ did = (DetectDceIfaceData *)temp->ctx;
+ if (did == NULL) {
+ SCReturnInt(0);
+ }
+
+ result &= 1;
+ for (i = 0; i < 16; i++) {
+ if (did->uuid[i] != test_uuid[i]) {
+ result = 0;
+ break;
+ }
+ }
+
+ result &= (did->version == 10);
+ result &= (did->op == DETECT_DCE_IFACE_OP_NE);
+ result &= (did->any_frag == 0);
+
+ SigFree(s);
+ SCReturnInt(result);
+}
+
+static int DetectDceIfaceTestParse05(void)
+{
+ SCEnter();
+
+ Signature *s = SigAlloc();
+ int result = 0;
+ DetectDceIfaceData *did = NULL;
+ uint8_t test_uuid[] = {0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34,
+ 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC};
+ SigMatch *temp = NULL;
+ int i = 0;
+
+ result = (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-123456789ABC,=10") == 0);
+
+ if (s->sm_lists[DETECT_SM_LIST_AMATCH] == NULL) {
+ SCReturnInt(0);
+ }
+
+ temp = s->sm_lists[DETECT_SM_LIST_AMATCH];
+ did = (DetectDceIfaceData *)temp->ctx;
+ if (did == NULL) {
+ SCReturnInt(0);
+ }
+
+ result &= 1;
+ for (i = 0; i < 16; i++) {
+ if (did->uuid[i] != test_uuid[i]) {
+ result = 0;
+ break;
+ }
+ }
+
+ result &= (did->version == 10);
+ result &= (did->op == DETECT_DCE_IFACE_OP_EQ);
+ result &= (did->any_frag == 0);
+
+ SigFree(s);
+ SCReturnInt(result);
+}
+
+static int DetectDceIfaceTestParse06(void)
+{
+ SCEnter();
+
+ Signature *s = SigAlloc();
+ if (s == NULL)
+ return 0;
+
+ int result = 0;
+ DetectDceIfaceData *did = NULL;
+ uint8_t test_uuid[] = {0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34,
+ 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC};
+ SigMatch *temp = NULL;
+ int i = 0;
+
+ result = (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-123456789ABC,any_frag") == 0);
+
+ if (s->sm_lists[DETECT_SM_LIST_AMATCH] == NULL) {
+ SCReturnInt(0);
+ }
+
+ temp = s->sm_lists[DETECT_SM_LIST_AMATCH];
+ did = (DetectDceIfaceData *)temp->ctx;
+ if (did == NULL) {
+ SCReturnInt(0);
+ }
+
+ result &= 1;
+ for (i = 0; i < 16; i++) {
+ if (did->uuid[i] != test_uuid[i]) {
+ result = 0;
+ break;
+ }
+ }
+
+ result &= (did->version == 0);
+ result &= (did->op == 0);
+ result &= (did->any_frag == 1);
+
+ SigFree(s);
+ SCReturnInt(result);
+}
+
+static int DetectDceIfaceTestParse07(void)
+{
+ SCEnter();
+
+ Signature *s = SigAlloc();
+ if (s == NULL)
+ return 0;
+
+ int result = 0;
+ DetectDceIfaceData *did = NULL;
+ uint8_t test_uuid[] = {0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34,
+ 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC};
+ SigMatch *temp = NULL;
+ int i = 0;
+
+ result = (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-123456789ABC,>1,any_frag") == 0);
+
+ if (s->sm_lists[DETECT_SM_LIST_AMATCH] == NULL) {
+ SCReturnInt(0);
+ }
+
+ temp = s->sm_lists[DETECT_SM_LIST_AMATCH];
+ did = (DetectDceIfaceData *)temp->ctx;
+ if (did == NULL) {
+ SCReturnInt(0);
+ }
+
+ result &= 1;
+ for (i = 0; i < 16; i++) {
+ if (did->uuid[i] != test_uuid[i]) {
+ result = 0;
+ break;
+ }
+ }
+
+ result &= (did->version == 1);
+ result &= (did->op == DETECT_DCE_IFACE_OP_GT);
+ result &= (did->any_frag == 1);
+
+ SigFree(s);
+ SCReturnInt(result);
+}
+
+static int DetectDceIfaceTestParse08(void)
+{
+ Signature *s = SigAlloc();
+ if (s == NULL)
+ return 0;
+
+ int result = 0;
+ DetectDceIfaceData *did = NULL;
+ uint8_t test_uuid[] = {0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34,
+ 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC};
+ SigMatch *temp = NULL;
+ int i = 0;
+
+ result = (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-123456789ABC,<1,any_frag") == 0);
+
+ if (s->sm_lists[DETECT_SM_LIST_AMATCH] == NULL) {
+ SCReturnInt(0);
+ }
+
+ temp = s->sm_lists[DETECT_SM_LIST_AMATCH];
+ did = (DetectDceIfaceData *)temp->ctx;
+ if (did == NULL) {
+ SCReturnInt(0);
+ }
+
+ result &= 1;
+ for (i = 0; i < 16; i++) {
+ if (did->uuid[i] != test_uuid[i]) {
+ result = 0;
+ break;
+ }
+ }
+
+ result &= (did->version == 1);
+ result &= (did->op == DETECT_DCE_IFACE_OP_LT);
+ result &= (did->any_frag == 1);
+
+ SigFree(s);
+ SCReturnInt(result);
+}
+
+static int DetectDceIfaceTestParse09(void)
+{
+ SCEnter();
+
+ Signature *s = SigAlloc();
+ if (s == NULL)
+ return 0;
+
+ int result = 0;
+ DetectDceIfaceData *did = NULL;
+ uint8_t test_uuid[] = {0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34,
+ 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC};
+ SigMatch *temp = NULL;
+ int i = 0;
+
+ result = (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-123456789ABC,=1,any_frag") == 0);
+
+ temp = s->sm_lists[DETECT_SM_LIST_AMATCH];
+ did = (DetectDceIfaceData *)temp->ctx;
+ if (did == NULL) {
+ SCReturnInt(0);
+ }
+
+ result &= 1;
+ for (i = 0; i < 16; i++) {
+ if (did->uuid[i] != test_uuid[i]) {
+ result = 0;
+ break;
+ }
+ }
+
+ result &= (did->version == 1);
+ result &= (did->op == DETECT_DCE_IFACE_OP_EQ);
+ result &= (did->any_frag == 1);
+
+ SigFree(s);
+ SCReturnInt(result);
+}
+
+static int DetectDceIfaceTestParse10(void)
+{
+ SCEnter();
+
+ Signature *s = SigAlloc();
+ if (s == NULL)
+ return 0;
+
+ int result = 0;
+ DetectDceIfaceData *did = NULL;
+ uint8_t test_uuid[] = {0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x12, 0x34, 0x12, 0x34,
+ 0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC};
+ SigMatch *temp = NULL;
+ int i = 0;
+
+ result = (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-123456789ABC,!1,any_frag") == 0);
+
+ if (s->sm_lists[DETECT_SM_LIST_AMATCH] == NULL) {
+ SCReturnInt(0);
+ }
+
+ temp = s->sm_lists[DETECT_SM_LIST_AMATCH];
+ did = (DetectDceIfaceData *)temp->ctx;
+ if (did == NULL) {
+ SCReturnInt(0);
+ }
+
+ result &= 1;
+ for (i = 0; i < 16; i++) {
+ if (did->uuid[i] != test_uuid[i]) {
+ result = 0;
+ break;
+ }
+ }
+
+ result &= (did->version == 1);
+ result &= (did->op == DETECT_DCE_IFACE_OP_NE);
+ result &= (did->any_frag == 1);
+
+ SigFree(s);
+ SCReturnInt(result);
+}
+
+static int DetectDceIfaceTestParse11(void)
+{
+ SCEnter();
+
+ Signature *s = SigAlloc();
+ if (s == NULL)
+ return 0;
+
+ int result = 1;
+
+ result &= (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-123456789ABC,>1,ay_frag") == -1);
+ result &= (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-12345679ABC,>1,any_frag") == -1);
+ result &= (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-134-123456789ABC,>1,any_frag") == -1);
+ result &= (DetectDceIfaceSetup(NULL, s, "12345678-123-124-1234-123456789ABC,>1,any_frag") == -1);
+ result &= (DetectDceIfaceSetup(NULL, s, "1234568-1234-1234-1234-123456789ABC,>1,any_frag") == -1);
+ result &= (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-123456789ABC,>65536,any_frag") == -1);
+ result &= (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-123456789ABC,>=1,any_frag") == -1);
+ result &= (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-123456789ABC,<0,any_frag") == -1);
+ result &= (DetectDceIfaceSetup(NULL, s, "12345678-1234-1234-1234-123456789ABC,>65535,any_frag") == -1);
+
+ SigFree(s);
+ return result;
+}
+
+/**
+ * \test Test a valid dce_iface entry for a bind and bind_ack
+ */
+static int DetectDceIfaceTestParse12(void)
+{
+ int result = 0;
+ Signature *s = NULL;
+ ThreadVars th_v;
+ Packet *p = NULL;
+ Flow f;
+ TcpSession ssn;
+ DetectEngineThreadCtx *det_ctx = NULL;
+ DetectEngineCtx *de_ctx = NULL;
+ DCERPCState *dcerpc_state = NULL;
+ int r = 0;
+
+ uint8_t dcerpc_bind[] = {
+ 0x05, 0x00, 0x0b, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x48, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0xb8, 0x10, 0xb8, 0x10, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
+ 0x6a, 0x28, 0x19, 0x39, 0x0c, 0xb1, 0xd0, 0x11,
+ 0x9b, 0xa8, 0x00, 0xc0, 0x4f, 0xd9, 0x2e, 0xf5,
+ 0x00, 0x00, 0x00, 0x00, 0x04, 0x5d, 0x88, 0x8a,
+ 0xeb, 0x1c, 0xc9, 0x11, 0x9f, 0xe8, 0x08, 0x00,
+ 0x2b, 0x10, 0x48, 0x60, 0x02, 0x00, 0x00, 0x00,
+ };
+
+ uint8_t dcerpc_bindack[] = {
+ 0x05, 0x00, 0x0c, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x44, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0xb8, 0x10, 0xb8, 0x10, 0x26, 0x3d, 0x00, 0x00,
+ 0x0c, 0x00, 0x5c, 0x50, 0x49, 0x50, 0x45, 0x5c,
+ 0x6c, 0x73, 0x61, 0x73, 0x73, 0x00, 0x00, 0x00,
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x04, 0x5d, 0x88, 0x8a, 0xeb, 0x1c, 0xc9, 0x11,
+ 0x9f, 0xe8, 0x08, 0x00, 0x2b, 0x10, 0x48, 0x60,
+ 0x02, 0x00, 0x00, 0x00
+ };
+
+ uint8_t dcerpc_request[] = {
+ 0x05, 0x00, 0x00, 0x01, 0x10, 0x00, 0x00, 0x00,
+ 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x09, 0x00,
+ 0xad, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+
+ uint32_t dcerpc_bind_len = sizeof(dcerpc_bind);
+ uint32_t dcerpc_bindack_len = sizeof(dcerpc_bindack);
+ uint32_t dcerpc_request_len = sizeof(dcerpc_request);
+
+ AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
+
+ memset(&th_v, 0, sizeof(th_v));
+ memset(&f, 0, sizeof(f));
+ memset(&ssn, 0, sizeof(ssn));
+
+ p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
+
+ FLOW_INITIALIZE(&f);
+ f.protoctx = (void *)&ssn;
+ f.proto = IPPROTO_TCP;
+ p->flow = &f;
+ p->flowflags |= FLOW_PKT_TOSERVER;
+ p->flowflags |= FLOW_PKT_ESTABLISHED;
+ p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
+ f.alproto = ALPROTO_DCERPC;
+
+ StreamTcpInitConfig(TRUE);
+
+ de_ctx = DetectEngineCtxInit();
+ if (de_ctx == NULL)
+ goto end;
+
+ de_ctx->flags |= DE_QUIET;
+
+ s = DetectEngineAppendSig(de_ctx,"alert tcp any any -> any any "
+ "(msg:\"DCERPC\"; "
+ "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5,=0,any_frag; "
+ "sid:1;)");
+ if (s == NULL)
+ goto end;
+
+ SigGroupBuild(de_ctx);
+ DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
+
+ SCLogDebug("handling to_server chunk");
+
+ SCMutexLock(&f.m);
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOSERVER | STREAM_START,
+ dcerpc_bind, dcerpc_bind_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ SCMutexUnlock(&f.m);
+ goto end;
+ }
+ SCMutexUnlock(&f.m);
+
+ dcerpc_state = f.alstate;
+ if (dcerpc_state == NULL) {
+ SCLogDebug("no dcerpc state: ");
+ goto end;
+ }
+
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (PacketAlertCheck(p, 1)) {
+ printf("sid 1 didn't match (1): ");
+ goto end;
+ }
+
+ SCLogDebug("handling to_client chunk");
+
+ SCMutexLock(&f.m);
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOCLIENT, dcerpc_bindack,
+ dcerpc_bindack_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ SCMutexUnlock(&f.m);
+ goto end;
+ }
+ SCMutexUnlock(&f.m);
+
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (PacketAlertCheck(p, 1)) {
+ printf("sid 1 matched, but shouldn't have: ");
+ goto end;
+ }
+
+ SCMutexLock(&f.m);
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOCLIENT, dcerpc_request,
+ dcerpc_request_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ SCMutexUnlock(&f.m);
+ goto end;
+ }
+ SCMutexUnlock(&f.m);
+
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (!PacketAlertCheck(p, 1)) {
+ printf("sid 1 matched, but shouldn't have: ");
+ goto end;
+ }
+
+ result = 1;
+
+end:
+ if (alp_tctx != NULL)
+ AppLayerParserThreadCtxFree(alp_tctx);
+ SigGroupCleanup(de_ctx);
+ SigCleanSignatures(de_ctx);
+
+ DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
+ DetectEngineCtxFree(de_ctx);
+
+ StreamTcpFreeConfig(TRUE);
+ FLOW_DESTROY(&f);
+ UTHFreePackets(&p, 1);
+ return result;
+}
+
+/* Disabled because of bug_753. Would be enabled, once we rewrite
+ * dce parser */
+#if 0
+
+/**
+ * \test Test a valid dce_iface entry with a bind, bind_ack and 3 request/responses.
+ */
+static int DetectDceIfaceTestParse13(void)
+{
+ int result = 0;
+ Signature *s = NULL;
+ ThreadVars th_v;
+ Packet *p = NULL;
+ Flow f;
+ TcpSession ssn;
+ DetectEngineThreadCtx *det_ctx = NULL;
+ DetectEngineCtx *de_ctx = NULL;
+ DCERPCState *dcerpc_state = NULL;
+ int r = 0;
+
+ uint8_t dcerpc_bind[] = {
+ 0x05, 0x00, 0x0b, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x48, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0xb8, 0x10, 0xb8, 0x10, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
+ 0x01, 0xd0, 0x8c, 0x33, 0x44, 0x22, 0xf1, 0x31,
+ 0xaa, 0xaa, 0x90, 0x00, 0x38, 0x00, 0x10, 0x03,
+ 0x01, 0x00, 0x00, 0x00, 0x04, 0x5d, 0x88, 0x8a,
+ 0xeb, 0x1c, 0xc9, 0x11, 0x9f, 0xe8, 0x08, 0x00,
+ 0x2b, 0x10, 0x48, 0x60, 0x02, 0x00, 0x00, 0x00,
+ };
+
+ uint8_t dcerpc_bindack[] = {
+ 0x05, 0x00, 0x0c, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x44, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0xb8, 0x10, 0xb8, 0x10, 0x65, 0x8e, 0x00, 0x00,
+ 0x0d, 0x00, 0x5c, 0x50, 0x49, 0x50, 0x45, 0x5c,
+ 0x77, 0x69, 0x6e, 0x72, 0x65, 0x67, 0x00, 0x6d,
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x04, 0x5d, 0x88, 0x8a, 0xeb, 0x1c, 0xc9, 0x11,
+ 0x9f, 0xe8, 0x08, 0x00, 0x2b, 0x10, 0x48, 0x60,
+ 0x02, 0x00, 0x00, 0x00,
+ };
+
+ uint8_t dcerpc_request1[] = {
+ 0x05, 0x00, 0x00, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x24, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
+ 0x2c, 0xfd, 0xb5, 0x00, 0x40, 0xaa, 0x01, 0x00,
+ 0x00, 0x00, 0x00, 0x02,
+ };
+
+ uint8_t dcerpc_response1[] = {
+ 0x05, 0x00, 0x02, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x30, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xf6, 0x72, 0x28, 0x9c,
+ 0xf0, 0x57, 0xd8, 0x11, 0xb0, 0x05, 0x00, 0x0c,
+ 0x29, 0x87, 0xea, 0xe9, 0x00, 0x00, 0x00, 0x00,
+ };
+
+ uint8_t dcerpc_request2[] = {
+ 0x05, 0x00, 0x00, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0xa4, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+ 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xf6, 0x72, 0x28, 0x9c,
+ 0xf0, 0x57, 0xd8, 0x11, 0xb0, 0x05, 0x00, 0x0c,
+ 0x29, 0x87, 0xea, 0xe9, 0x5c, 0x00, 0x5c, 0x00,
+ 0xa8, 0xb9, 0x14, 0x00, 0x2e, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x2e, 0x00, 0x00, 0x00,
+ 0x53, 0x00, 0x4f, 0x00, 0x46, 0x00, 0x54, 0x00,
+ 0x57, 0x00, 0x41, 0x00, 0x52, 0x00, 0x45, 0x00,
+ 0x5c, 0x00, 0x4d, 0x00, 0x69, 0x00, 0x63, 0x00,
+ 0x72, 0x00, 0x6f, 0x00, 0x73, 0x00, 0x6f, 0x00,
+ 0x66, 0x00, 0x74, 0x00, 0x5c, 0x00, 0x57, 0x00,
+ 0x69, 0x00, 0x6e, 0x00, 0x64, 0x00, 0x6f, 0x00,
+ 0x77, 0x00, 0x73, 0x00, 0x5c, 0x00, 0x43, 0x00,
+ 0x75, 0x00, 0x72, 0x00, 0x72, 0x00, 0x65, 0x00,
+ 0x6e, 0x00, 0x74, 0x00, 0x56, 0x00, 0x65, 0x00,
+ 0x72, 0x00, 0x73, 0x00, 0x69, 0x00, 0x6f, 0x00,
+ 0x6e, 0x00, 0x5c, 0x00, 0x52, 0x00, 0x75, 0x00,
+ 0x6e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x03, 0x00, 0x00, 0x00,
+ };
+
+ uint8_t dcerpc_response2[] = {
+ 0x05, 0x00, 0x02, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x30, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+ 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xf7, 0x72, 0x28, 0x9c,
+ 0xf0, 0x57, 0xd8, 0x11, 0xb0, 0x05, 0x00, 0x0c,
+ 0x29, 0x87, 0xea, 0xe9, 0x00, 0x00, 0x00, 0x00,
+ };
+
+ uint8_t dcerpc_request3[] = {
+ 0x05, 0x00, 0x00, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x70, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
+ 0x58, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xf7, 0x72, 0x28, 0x9c,
+ 0xf0, 0x57, 0xd8, 0x11, 0xb0, 0x05, 0x00, 0x0c,
+ 0x29, 0x87, 0xea, 0xe9, 0x0c, 0x00, 0x0c, 0x00,
+ 0x98, 0xda, 0x14, 0x00, 0x06, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00,
+ 0x4f, 0x00, 0x73, 0x00, 0x61, 0x00, 0x33, 0x00,
+ 0x32, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0x18, 0x00, 0x00, 0x00, 0x4e, 0x00, 0x54, 0x00,
+ 0x4f, 0x00, 0x53, 0x00, 0x41, 0x00, 0x33, 0x00,
+ 0x32, 0x00, 0x2e, 0x00, 0x45, 0x00, 0x58, 0x00,
+ 0x45, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00,
+ };
+
+ uint8_t dcerpc_response3[] = {
+ 0x05, 0x00, 0x02, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x1c, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
+ 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+ };
+
+ uint32_t dcerpc_bind_len = sizeof(dcerpc_bind);
+ uint32_t dcerpc_bindack_len = sizeof(dcerpc_bindack);
+
+ uint32_t dcerpc_request1_len = sizeof(dcerpc_request1);
+ uint32_t dcerpc_response1_len = sizeof(dcerpc_response1);
+
+ uint32_t dcerpc_request2_len = sizeof(dcerpc_request2);
+ uint32_t dcerpc_response2_len = sizeof(dcerpc_response2);
+
+ uint32_t dcerpc_request3_len = sizeof(dcerpc_request3);
+ uint32_t dcerpc_response3_len = sizeof(dcerpc_response3);
+
+ AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
+
+ memset(&th_v, 0, sizeof(th_v));
+ memset(&p, 0, sizeof(p));
+ memset(&f, 0, sizeof(f));
+ memset(&ssn, 0, sizeof(ssn));
+
+ p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
+
+ FLOW_INITIALIZE(&f);
+ f.protoctx = (void *)&ssn;
+ f.proto = IPPROTO_TCP;
+ p->flow = &f;
+ p->flowflags |= FLOW_PKT_TOSERVER;
+ p->flowflags |= FLOW_PKT_ESTABLISHED;
+ p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
+ f.alproto = ALPROTO_DCERPC;
+
+ StreamTcpInitConfig(TRUE);
+
+ de_ctx = DetectEngineCtxInit();
+ if (de_ctx == NULL)
+ goto end;
+
+ de_ctx->flags |= DE_QUIET;
+
+ s = DetectEngineAppendSig(de_ctx,"alert tcp any any -> any any "
+ "(msg:\"DCERPC\"; dce_iface:338cd001-2244-31f1-aaaa-900038001003,=1,any_frag; sid:1;)");
+ if (s == NULL)
+ goto end;
+
+ SigGroupBuild(de_ctx);
+ DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
+
+ SCLogDebug("chunk 1, bind");
+
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOSERVER | STREAM_START,
+ dcerpc_bind, dcerpc_bind_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ goto end;
+ }
+
+ dcerpc_state = f.alstate;
+ if (dcerpc_state == NULL) {
+ SCLogDebug("no dcerpc state: ");
+ goto end;
+ }
+
+ p->flowflags &=~ FLOW_PKT_TOCLIENT;
+ p->flowflags |= FLOW_PKT_TOSERVER;
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (PacketAlertCheck(p, 1)) {
+ printf("sig 1 didn't match after bind request: ");
+ goto end;
+ }
+
+ SCLogDebug("chunk 2, bind_ack");
+
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOCLIENT, dcerpc_bindack,
+ dcerpc_bindack_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ goto end;
+ }
+
+ p->flowflags &=~ FLOW_PKT_TOSERVER;
+ p->flowflags |= FLOW_PKT_TOCLIENT;
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (PacketAlertCheck(p, 1)) {
+ printf("sig 1 matched again after bind ack: ");
+ goto end;
+ }
+
+ SCLogDebug("chunk 3, request 1");
+
+ /* request1 */
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOSERVER, dcerpc_request1,
+ dcerpc_request1_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ goto end;
+ }
+
+ p->flowflags &=~ FLOW_PKT_TOCLIENT;
+ p->flowflags |= FLOW_PKT_TOSERVER;
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (!(PacketAlertCheck(p, 1))) {
+ printf("sig 1 didn't match after request1: ");
+ goto end;
+ }
+
+ SCLogDebug("sending response1");
+
+ /* response1 */
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOCLIENT, dcerpc_response1,
+ dcerpc_response1_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ goto end;
+ }
+
+ p->flowflags &=~ FLOW_PKT_TOSERVER;
+ p->flowflags |= FLOW_PKT_TOCLIENT;
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (PacketAlertCheck(p, 1)) {
+ printf("sig 1 matched after response1, but shouldn't: ");
+ goto end;
+ }
+
+ SCLogDebug("sending request2");
+
+ /* request2 */
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOSERVER, dcerpc_request2,
+ dcerpc_request2_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ goto end;
+ }
+
+ p->flowflags &=~ FLOW_PKT_TOCLIENT;
+ p->flowflags |= FLOW_PKT_TOSERVER;
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (!(PacketAlertCheck(p, 1))) {
+ printf("sig 1 didn't match after request2: ");
+ goto end;
+ }
+
+ /* response2 */
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOCLIENT, dcerpc_response2,
+ dcerpc_response2_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ goto end;
+ }
+
+ p->flowflags &=~ FLOW_PKT_TOSERVER;
+ p->flowflags |= FLOW_PKT_TOCLIENT;
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (PacketAlertCheck(p, 1)) {
+ printf("sig 1 matched after response2, but shouldn't have: ");
+ goto end;
+ }
+
+ /* request3 */
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOSERVER, dcerpc_request3,
+ dcerpc_request3_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ goto end;
+ }
+
+ p->flowflags &=~ FLOW_PKT_TOCLIENT;
+ p->flowflags |= FLOW_PKT_TOSERVER;
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (!(PacketAlertCheck(p, 1))) {
+ printf("sig 1 didn't match after request3: ");
+ goto end;
+ }
+
+ /* response3 */
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOCLIENT | STREAM_EOF,
+ dcerpc_response3, dcerpc_response3_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ goto end;
+ }
+
+ p->flowflags &=~ FLOW_PKT_TOSERVER;
+ p->flowflags |= FLOW_PKT_TOCLIENT;
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (PacketAlertCheck(p, 1)) {
+ printf("sig 1 matched after response3, but shouldn't have: ");
+ goto end;
+ }
+
+ result = 1;
+
+ end:
+ if (alp_tctx != NULL)
+ AppLayerParserThreadCtxFree(alp_tctx);
+ SigGroupCleanup(de_ctx);
+ SigCleanSignatures(de_ctx);
+
+ DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
+ DetectEngineCtxFree(de_ctx);
+
+ StreamTcpFreeConfig(TRUE);
+ UTHFreePackets(&p, 1);
+ return result;
+}
+
+#endif
+
+/**
+ * \test Test a valid dce_iface entry for a bind and bind_ack
+ */
+static int DetectDceIfaceTestParse14(void)
+{
+ int result = 0;
+ Signature *s = NULL;
+ ThreadVars th_v;
+ Packet *p = NULL;
+ Flow f;
+ TcpSession ssn;
+ DetectEngineThreadCtx *det_ctx = NULL;
+ DetectEngineCtx *de_ctx = NULL;
+ DCERPCState *dcerpc_state = NULL;
+ int r = 0;
+
+ uint8_t dcerpc_bind[] = {
+ 0x05, 0x00, 0x0b, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x48, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0xb8, 0x10, 0xb8, 0x10, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
+ 0x6a, 0x28, 0x19, 0x39, 0x0c, 0xb1, 0xd0, 0x11,
+ 0x9b, 0xa8, 0x00, 0xc0, 0x4f, 0xd9, 0x2e, 0xf5,
+ 0x00, 0x00, 0x00, 0x00, 0x04, 0x5d, 0x88, 0x8a,
+ 0xeb, 0x1c, 0xc9, 0x11, 0x9f, 0xe8, 0x08, 0x00,
+ 0x2b, 0x10, 0x48, 0x60, 0x02, 0x00, 0x00, 0x00,
+ };
+
+ uint8_t dcerpc_bindack[] = {
+ 0x05, 0x00, 0x0c, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x44, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0xb8, 0x10, 0xb8, 0x10, 0x26, 0x3d, 0x00, 0x00,
+ 0x0c, 0x00, 0x5c, 0x50, 0x49, 0x50, 0x45, 0x5c,
+ 0x6c, 0x73, 0x61, 0x73, 0x73, 0x00, 0x00, 0x00,
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x04, 0x5d, 0x88, 0x8a, 0xeb, 0x1c, 0xc9, 0x11,
+ 0x9f, 0xe8, 0x08, 0x00, 0x2b, 0x10, 0x48, 0x60,
+ 0x02, 0x00, 0x00, 0x00
+ };
+
+ uint8_t dcerpc_request[] = {
+ 0x05, 0x00, 0x00, 0x01, 0x10, 0x00, 0x00, 0x00,
+ 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x09, 0x00,
+ 0xad, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+
+ uint32_t dcerpc_bind_len = sizeof(dcerpc_bind);
+ uint32_t dcerpc_bindack_len = sizeof(dcerpc_bindack);
+ uint32_t dcerpc_request_len = sizeof(dcerpc_request);
+
+ AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
+
+ memset(&th_v, 0, sizeof(th_v));
+ memset(&p, 0, sizeof(p));
+ memset(&f, 0, sizeof(f));
+ memset(&ssn, 0, sizeof(ssn));
+
+ p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
+
+ FLOW_INITIALIZE(&f);
+ f.protoctx = (void *)&ssn;
+ f.proto = IPPROTO_TCP;
+ p->flow = &f;
+ p->flowflags |= FLOW_PKT_TOSERVER;
+ p->flowflags |= FLOW_PKT_ESTABLISHED;
+ p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
+ f.alproto = ALPROTO_DCERPC;
+
+ StreamTcpInitConfig(TRUE);
+
+ de_ctx = DetectEngineCtxInit();
+ if (de_ctx == NULL)
+ goto end;
+
+ de_ctx->flags |= DE_QUIET;
+
+ s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any "
+ "(msg:\"DCERPC\"; "
+ "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5,=0; "
+ "sid:1;)");
+ if (s == NULL)
+ goto end;
+
+ SigGroupBuild(de_ctx);
+ DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
+
+ SCMutexLock(&f.m);
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOSERVER | STREAM_START,
+ dcerpc_bind, dcerpc_bind_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ SCMutexUnlock(&f.m);
+ goto end;
+ }
+ SCMutexUnlock(&f.m);
+
+ dcerpc_state = f.alstate;
+ if (dcerpc_state == NULL) {
+ SCLogDebug("no dcerpc state: ");
+ goto end;
+ }
+
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (PacketAlertCheck(p, 1))
+ goto end;
+
+ SCMutexLock(&f.m);
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOCLIENT, dcerpc_bindack,
+ dcerpc_bindack_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ SCMutexUnlock(&f.m);
+ goto end;
+ }
+ SCMutexUnlock(&f.m);
+
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (PacketAlertCheck(p, 1)) {
+ printf("sig 1 matched but shouldn't have: ");
+ goto end;
+ }
+
+ SCMutexLock(&f.m);
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOCLIENT, dcerpc_request,
+ dcerpc_request_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ SCMutexUnlock(&f.m);
+ goto end;
+ }
+ SCMutexUnlock(&f.m);
+
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (!PacketAlertCheck(p, 1)) {
+ printf("sig 1 matched but shouldn't have: ");
+ goto end;
+ }
+
+ result = 1;
+
+ end:
+ if (alp_tctx != NULL)
+ AppLayerParserThreadCtxFree(alp_tctx);
+ SigGroupCleanup(de_ctx);
+ SigCleanSignatures(de_ctx);
+
+ DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
+ DetectEngineCtxFree(de_ctx);
+
+ StreamTcpFreeConfig(TRUE);
+ FLOW_DESTROY(&f);
+ UTHFreePackets(&p, 1);
+ return result;
+}
+
+/**
+ * \test Test a valid dce_iface entry for a bind and bind_ack
+ */
+static int DetectDceIfaceTestParse15(void)
+{
+ int result = 0;
+ Signature *s = NULL;
+ ThreadVars th_v;
+ Packet *p = NULL;
+ Flow f;
+ TcpSession ssn;
+ DetectEngineThreadCtx *det_ctx = NULL;
+ DetectEngineCtx *de_ctx = NULL;
+ DCERPCState *dcerpc_state = NULL;
+ int r = 0;
+
+ uint8_t dcerpc_bind[] = {
+ 0x05, 0x00, 0x0b, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x48, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0xd0, 0x16, 0xd0, 0x16, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00,
+ 0x40, 0xfd, 0x2c, 0x34, 0x6c, 0x3c, 0xce, 0x11,
+ 0xa8, 0x93, 0x08, 0x00, 0x2b, 0x2e, 0x9c, 0x6d,
+ 0x00, 0x00, 0x00, 0x00, 0x04, 0x5d, 0x88, 0x8a,
+ 0xeb, 0x1c, 0xc9, 0x11, 0x9f, 0xe8, 0x08, 0x00,
+ 0x2b, 0x10, 0x48, 0x60, 0x02, 0x00, 0x00, 0x00
+ };
+ uint32_t dcerpc_bind_len = sizeof(dcerpc_bind);
+
+ uint8_t dcerpc_bindack[] = {
+ 0x05, 0x00, 0x0c, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x44, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0xb8, 0x10, 0xb8, 0x10, 0x7d, 0xd8, 0x00, 0x00,
+ 0x0d, 0x00, 0x5c, 0x70, 0x69, 0x70, 0x65, 0x5c,
+ 0x6c, 0x6c, 0x73, 0x72, 0x70, 0x63, 0x00, 0x00,
+ 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x04, 0x5d, 0x88, 0x8a, 0xeb, 0x1c, 0xc9, 0x11,
+ 0x9f, 0xe8, 0x08, 0x00, 0x2b, 0x10, 0x48, 0x60,
+ 0x02, 0x00, 0x00, 0x00
+ };
+ uint32_t dcerpc_bindack_len = sizeof(dcerpc_bindack);
+
+ uint8_t dcerpc_alter_context[] = {
+ 0x05, 0x00, 0x0e, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x48, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0xd0, 0x16, 0xd0, 0x16, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00,
+ 0xd0, 0x4c, 0x67, 0x57, 0x00, 0x52, 0xce, 0x11,
+ 0xa8, 0x97, 0x08, 0x00, 0x2b, 0x2e, 0x9c, 0x6d,
+ 0x01, 0x00, 0x00, 0x00, 0x04, 0x5d, 0x88, 0x8a,
+ 0xeb, 0x1c, 0xc9, 0x11, 0x9f, 0xe8, 0x08, 0x00,
+ 0x2b, 0x10, 0x48, 0x60, 0x02, 0x00, 0x00, 0x00
+ };
+ uint32_t dcerpc_alter_context_len = sizeof(dcerpc_alter_context);
+
+ uint8_t dcerpc_alter_context_resp[] = {
+ 0x05, 0x00, 0x0f, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x38, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0xb8, 0x10, 0xb8, 0x10, 0x7d, 0xd8, 0x00, 0x00,
+ 0x00, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x04, 0x5d, 0x88, 0x8a,
+ 0xeb, 0x1c, 0xc9, 0x11, 0x9f, 0xe8, 0x08, 0x00,
+ 0x2b, 0x10, 0x48, 0x60, 0x02, 0x00, 0x00, 0x00
+ };
+ uint32_t dcerpc_alter_context_resp_len = sizeof(dcerpc_alter_context_resp);
+
+ uint8_t dcerpc_request1[] = {
+ 0x05, 0x00, 0x00, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x20, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0x20, 0x03, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0xdd, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ };
+ uint32_t dcerpc_request1_len = sizeof(dcerpc_request1);
+
+ uint8_t dcerpc_response1[] = {
+ 0x05, 0x00, 0x02, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x30, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0x18, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xf5, 0x66, 0xbf, 0x54,
+ 0xc4, 0xdb, 0xdb, 0x4f, 0xa0, 0x01, 0x6d, 0xf4,
+ 0xf6, 0xa8, 0x44, 0xb3, 0x00, 0x00, 0x00, 0x00
+ };
+ uint32_t dcerpc_response1_len = sizeof(dcerpc_response1);
+
+ uint8_t dcerpc_request2[] = {
+ 0x05, 0x00, 0x00, 0x03, 0x10, 0x00, 0x00, 0x00,
+ 0x20, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+ 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x07, 0x9f, 0x13, 0xd9,
+ };
+ uint32_t dcerpc_request2_len = sizeof(dcerpc_request2);
+
+ AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
+
+ memset(&th_v, 0, sizeof(th_v));
+ memset(&p, 0, sizeof(p));
+ memset(&f, 0, sizeof(f));
+ memset(&ssn, 0, sizeof(ssn));
+
+ p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
+
+ FLOW_INITIALIZE(&f);
+ f.protoctx = (void *)&ssn;
+ f.proto = IPPROTO_TCP;
+ p->flow = &f;
+ p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
+ p->flowflags |= FLOW_PKT_TOSERVER;
+ p->flowflags |= FLOW_PKT_ESTABLISHED;
+ f.alproto = ALPROTO_DCERPC;
+
+ StreamTcpInitConfig(TRUE);
+
+ de_ctx = DetectEngineCtxInit();
+ if (de_ctx == NULL)
+ goto end;
+
+ de_ctx->flags |= DE_QUIET;
+
+ s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any "
+ "(msg:\"DCERPC\"; "
+ "dce_iface:57674cd0-5200-11ce-a897-08002b2e9c6d; "
+ "sid:1;)");
+ if (s == NULL)
+ goto end;
+
+ s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any "
+ "(msg:\"DCERPC\"; "
+ "dce_iface:342cfd40-3c6c-11ce-a893-08002b2e9c6d; "
+ "sid:2;)");
+ if (s == NULL)
+ goto end;
+
+ SigGroupBuild(de_ctx);
+ DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
+
+ SCMutexLock(&f.m);
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOSERVER | STREAM_START,
+ dcerpc_bind, dcerpc_bind_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ SCMutexUnlock(&f.m);
+ goto end;
+ }
+ SCMutexUnlock(&f.m);
+
+ dcerpc_state = f.alstate;
+ if (dcerpc_state == NULL) {
+ SCLogDebug("no dcerpc state: ");
+ goto end;
+ }
+
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (PacketAlertCheck(p, 1))
+ goto end;
+ if (PacketAlertCheck(p, 2))
+ goto end;
+
+ SCMutexLock(&f.m);
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOCLIENT, dcerpc_bindack,
+ dcerpc_bindack_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ SCMutexUnlock(&f.m);
+ goto end;
+ }
+ SCMutexUnlock(&f.m);
+
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (PacketAlertCheck(p, 1)) {
+ printf("sig 1 matched but shouldn't have: ");
+ goto end;
+ }
+ if (PacketAlertCheck(p, 2)) {
+ printf("sig 1 matched but shouldn't have: ");
+ goto end;
+ }
+
+ SCMutexLock(&f.m);
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOSERVER, dcerpc_alter_context,
+ dcerpc_alter_context_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ SCMutexUnlock(&f.m);
+ goto end;
+ }
+ SCMutexUnlock(&f.m);
+
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (PacketAlertCheck(p, 1)) {
+ printf("sig 1 matched but shouldn't have: ");
+ goto end;
+ }
+ if (PacketAlertCheck(p, 2)) {
+ printf("sig 1 matched but shouldn't have: ");
+ goto end;
+ }
+
+ SCMutexLock(&f.m);
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOCLIENT, dcerpc_alter_context_resp,
+ dcerpc_alter_context_resp_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ SCMutexUnlock(&f.m);
+ goto end;
+ }
+ SCMutexUnlock(&f.m);
+
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (PacketAlertCheck(p, 1)) {
+ printf("sig 1 matched but shouldn't have: ");
+ goto end;
+ }
+ if (PacketAlertCheck(p, 2)) {
+ printf("sig 1 matched but shouldn't have: ");
+ goto end;
+ }
+
+ SCMutexLock(&f.m);
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOSERVER, dcerpc_request1,
+ dcerpc_request1_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ SCMutexUnlock(&f.m);
+ goto end;
+ }
+ SCMutexUnlock(&f.m);
+
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (!PacketAlertCheck(p, 1)) {
+ printf("sig 1 matched but shouldn't have: ");
+ goto end;
+ }
+ if (PacketAlertCheck(p, 2)) {
+ printf("sig 1 matched but shouldn't have: ");
+ goto end;
+ }
+
+ SCMutexLock(&f.m);
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOCLIENT, dcerpc_response1,
+ dcerpc_response1_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ SCMutexUnlock(&f.m);
+ goto end;
+ }
+ SCMutexUnlock(&f.m);
+
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (PacketAlertCheck(p, 1)) {
+ printf("sig 1 matched but shouldn't have: ");
+ goto end;
+ }
+ if (PacketAlertCheck(p, 2)) {
+ printf("sig 1 matched but shouldn't have: ");
+ goto end;
+ }
+
+ SCMutexLock(&f.m);
+ r = AppLayerParserParse(alp_tctx, &f, ALPROTO_DCERPC, STREAM_TOSERVER, dcerpc_request2,
+ dcerpc_request2_len);
+ if (r != 0) {
+ SCLogDebug("AppLayerParse for dcerpc failed. Returned %" PRId32, r);
+ SCMutexUnlock(&f.m);
+ goto end;
+ }
+ SCMutexUnlock(&f.m);
+
+ /* do detect */
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+
+ if (PacketAlertCheck(p, 1)) {
+ printf("sig 1 matched but shouldn't have: ");
+ goto end;
+ }
+ if (!PacketAlertCheck(p, 2)) {
+ printf("sig 1 matched but shouldn't have: ");
+ goto end;
+ }
+
+ result = 1;
+
+ end:
+ if (alp_tctx != NULL)
+ AppLayerParserThreadCtxFree(alp_tctx);
+ SigGroupCleanup(de_ctx);
+ SigCleanSignatures(de_ctx);
+
+ DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
+ DetectEngineCtxFree(de_ctx);
+
+ StreamTcpFreeConfig(TRUE);
+ FLOW_DESTROY(&f);
+ UTHFreePackets(&p, 1);
+ return result;
+}
+
+#endif
+
+void DetectDceIfaceRegisterTests(void)
+{
+
+#ifdef UNITTESTS
+ UtRegisterTest("DetectDceIfaceTestParse01", DetectDceIfaceTestParse01, 1);
+ UtRegisterTest("DetectDceIfaceTestParse02", DetectDceIfaceTestParse02, 1);
+ UtRegisterTest("DetectDceIfaceTestParse03", DetectDceIfaceTestParse03, 1);
+ UtRegisterTest("DetectDceIfaceTestParse04", DetectDceIfaceTestParse04, 1);
+ UtRegisterTest("DetectDceIfaceTestParse05", DetectDceIfaceTestParse05, 1);
+ UtRegisterTest("DetectDceIfaceTestParse06", DetectDceIfaceTestParse06, 1);
+ UtRegisterTest("DetectDceIfaceTestParse07", DetectDceIfaceTestParse07, 1);
+ UtRegisterTest("DetectDceIfaceTestParse08", DetectDceIfaceTestParse08, 1);
+ UtRegisterTest("DetectDceIfaceTestParse09", DetectDceIfaceTestParse09, 1);
+ UtRegisterTest("DetectDceIfaceTestParse10", DetectDceIfaceTestParse10, 1);
+ UtRegisterTest("DetectDceIfaceTestParse11", DetectDceIfaceTestParse11, 1);
+ UtRegisterTest("DetectDceIfaceTestParse12", DetectDceIfaceTestParse12, 1);
+ /* Disabled because of bug_753. Would be enabled, once we rewrite
+ * dce parser */
+#if 0
+ UtRegisterTest("DetectDceIfaceTestParse13", DetectDceIfaceTestParse13, 1);
+#endif
+ UtRegisterTest("DetectDceIfaceTestParse14", DetectDceIfaceTestParse14, 1);
+ UtRegisterTest("DetectDceIfaceTestParse15", DetectDceIfaceTestParse15, 1);
+#endif
+
+ return;
+}