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-rw-r--r--src/tests/detect-ttl.c223
1 files changed, 223 insertions, 0 deletions
diff --git a/src/tests/detect-ttl.c b/src/tests/detect-ttl.c
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+
+/* Copyright (C) 2007-2018 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.
+ */
+
+#include "../util-unittest.h"
+#include "../util-unittest-helper.h"
+#include "detect-engine.h"
+#include "detect-engine-alert.h"
+#include "detect-engine-build.h"
+
+/**
+ * \test DetectTtlParseTest01 is a test for setting up an valid ttl value.
+ */
+
+static int DetectTtlParseTest01 (void)
+{
+ DetectU8Data *ttld = DetectU8Parse("10");
+ FAIL_IF_NULL(ttld);
+ FAIL_IF_NOT(ttld->arg1 == 10);
+ FAIL_IF_NOT(ttld->mode == DETECT_UINT_EQ);
+ DetectTtlFree(NULL, ttld);
+ PASS;
+}
+
+/**
+ * \test DetectTtlParseTest02 is a test for setting up an valid ttl value with
+ * "<" operator.
+ */
+
+static int DetectTtlParseTest02 (void)
+{
+ DetectU8Data *ttld = DetectU8Parse("<10");
+ FAIL_IF_NULL(ttld);
+ FAIL_IF_NOT(ttld->arg1 == 10);
+ FAIL_IF_NOT(ttld->mode == DETECT_UINT_LT);
+ DetectTtlFree(NULL, ttld);
+ PASS;
+}
+
+/**
+ * \test DetectTtlParseTest03 is a test for setting up an valid ttl values with
+ * "-" operator.
+ */
+
+static int DetectTtlParseTest03 (void)
+{
+ DetectU8Data *ttld = DetectU8Parse("1-3");
+ FAIL_IF_NULL(ttld);
+ FAIL_IF_NOT(ttld->arg1 == 1);
+ FAIL_IF_NOT(ttld->arg2 == 3);
+ FAIL_IF_NOT(ttld->mode == DETECT_UINT_RA);
+ DetectTtlFree(NULL, ttld);
+ PASS;
+}
+
+/**
+ * \test DetectTtlParseTest04 is a test for setting up an valid ttl value with
+ * ">" operator and include spaces arround the given values.
+ */
+
+static int DetectTtlParseTest04 (void)
+{
+ DetectU8Data *ttld = DetectU8Parse(" > 10 ");
+ FAIL_IF_NULL(ttld);
+ FAIL_IF_NOT(ttld->arg1 == 10);
+ FAIL_IF_NOT(ttld->mode == DETECT_UINT_GT);
+ DetectTtlFree(NULL, ttld);
+ PASS;
+}
+
+/**
+ * \test DetectTtlParseTest05 is a test for setting up an valid ttl values with
+ * "-" operator and include spaces arround the given values.
+ */
+
+static int DetectTtlParseTest05 (void)
+{
+ DetectU8Data *ttld = DetectU8Parse(" 1 - 3 ");
+ FAIL_IF_NULL(ttld);
+ FAIL_IF_NOT(ttld->arg1 == 1);
+ FAIL_IF_NOT(ttld->arg2 == 3);
+ FAIL_IF_NOT(ttld->mode == DETECT_UINT_RA);
+ DetectTtlFree(NULL, ttld);
+ PASS;
+}
+
+/**
+ * \test DetectTtlParseTest06 is a test for setting up an valid ttl values with
+ * invalid "=" operator and include spaces arround the given values.
+ */
+
+static int DetectTtlParseTest06 (void)
+{
+ DetectU8Data *ttld = DetectU8Parse(" 1 = 2 ");
+ FAIL_IF_NOT_NULL(ttld);
+ PASS;
+}
+
+/**
+ * \test DetectTtlParseTest07 is a test for setting up an valid ttl values with
+ * invalid "<>" operator and include spaces arround the given values.
+ */
+
+static int DetectTtlParseTest07 (void)
+{
+ DetectU8Data *ttld = DetectU8Parse(" 1<>2 ");
+ FAIL_IF_NOT_NULL(ttld);
+ PASS;
+}
+
+/**
+ * \test DetectTtlSetupTest01 is a test for setting up an valid ttl values with
+ * valid "-" operator and include spaces arround the given values. In the
+ * test the values are setup with initializing the detection engine context
+ * setting up the signature itself.
+ */
+
+static int DetectTtlSetupTest01(void)
+{
+ DetectEngineCtx *de_ctx = DetectEngineCtxInit();
+ FAIL_IF_NULL(de_ctx);
+ de_ctx->flags |= DE_QUIET;
+
+ Signature *s = DetectEngineAppendSig(
+ de_ctx, "alert ip any any -> any any (msg:\"with in ttl limit\"; ttl:1 - 3; sid:1;)");
+ FAIL_IF_NULL(s);
+ SigGroupBuild(de_ctx);
+ FAIL_IF_NULL(s->sm_arrays[DETECT_SM_LIST_MATCH]);
+ FAIL_IF_NULL(s->sm_arrays[DETECT_SM_LIST_MATCH]->ctx);
+ DetectU8Data *ttld = (DetectU8Data *)s->sm_arrays[DETECT_SM_LIST_MATCH]->ctx;
+
+ FAIL_IF_NOT(ttld->arg1 == 1);
+ FAIL_IF_NOT(ttld->arg2 == 3);
+ FAIL_IF_NOT(ttld->mode == DETECT_UINT_RA);
+ DetectEngineCtxFree(de_ctx);
+ PASS;
+}
+
+/**
+ * \test DetectTtlTestSig01 is a test for checking the working of ttl keyword
+ * by setting up the signature and later testing its working by matching
+ * the received packet against the sig.
+ */
+
+static int DetectTtlTestSig1(void)
+{
+ Packet *p = PacketGetFromAlloc();
+ FAIL_IF_NULL(p);
+ Signature *s = NULL;
+ ThreadVars th_v;
+ DetectEngineThreadCtx *det_ctx;
+ IPV4Hdr ip4h;
+
+ memset(&th_v, 0, sizeof(th_v));
+ memset(&ip4h, 0, sizeof(ip4h));
+
+ p->src.family = AF_INET;
+ p->dst.family = AF_INET;
+ p->proto = IPPROTO_TCP;
+ ip4h.ip_ttl = 15;
+ p->ip4h = &ip4h;
+
+ DetectEngineCtx *de_ctx = DetectEngineCtxInit();
+ FAIL_IF_NULL(de_ctx);
+ de_ctx->flags |= DE_QUIET;
+
+ s = DetectEngineAppendSig(de_ctx,"alert ip any any -> any any (msg:\"with in ttl limit\"; ttl: >16; sid:1;)");
+ FAIL_IF_NULL(s);
+
+ s = DetectEngineAppendSig(de_ctx,"alert ip any any -> any any (msg:\"Less than 17\"; ttl: <17; sid:2;)");
+ FAIL_IF_NULL(s);
+
+ s = DetectEngineAppendSig(de_ctx,"alert ip any any -> any any (msg:\"Greater than 5\"; ttl:15; sid:3;)");
+ FAIL_IF_NULL(s);
+
+ s = DetectEngineAppendSig(de_ctx,"alert ip any any -> any any (msg:\"Equals tcp\"; ttl: 1-30; sid:4;)");
+ FAIL_IF_NULL(s);
+
+ SigGroupBuild(de_ctx);
+ DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
+
+ SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
+ FAIL_IF(PacketAlertCheck(p, 1));
+ FAIL_IF_NOT(PacketAlertCheck(p, 2));
+ FAIL_IF_NOT(PacketAlertCheck(p, 3));
+ FAIL_IF_NOT(PacketAlertCheck(p, 4));
+
+ DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
+ DetectEngineCtxFree(de_ctx);
+
+ SCFree(p);
+ PASS;
+}
+
+/**
+ * \brief this function registers unit tests for DetectTtl
+ */
+void DetectTtlRegisterTests(void)
+{
+ UtRegisterTest("DetectTtlParseTest01", DetectTtlParseTest01);
+ UtRegisterTest("DetectTtlParseTest02", DetectTtlParseTest02);
+ UtRegisterTest("DetectTtlParseTest03", DetectTtlParseTest03);
+ UtRegisterTest("DetectTtlParseTest04", DetectTtlParseTest04);
+ UtRegisterTest("DetectTtlParseTest05", DetectTtlParseTest05);
+ UtRegisterTest("DetectTtlParseTest06", DetectTtlParseTest06);
+ UtRegisterTest("DetectTtlParseTest07", DetectTtlParseTest07);
+ UtRegisterTest("DetectTtlSetupTest01", DetectTtlSetupTest01);
+ UtRegisterTest("DetectTtlTestSig1", DetectTtlTestSig1);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-24 09:02:06 +0000