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-rw-r--r--framework/src/suricata/src/detect-fragbits.c581
1 files changed, 581 insertions, 0 deletions
diff --git a/framework/src/suricata/src/detect-fragbits.c b/framework/src/suricata/src/detect-fragbits.c
new file mode 100644
index 00000000..7a564ba0
--- /dev/null
+++ b/framework/src/suricata/src/detect-fragbits.c
@@ -0,0 +1,581 @@
+/* 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 Breno Silva <breno.silva@gmail.com>
+ *
+ * Implements fragbits keyword
+ */
+
+#include "suricata-common.h"
+#include "suricata.h"
+#include "decode.h"
+
+#include "detect.h"
+#include "detect-parse.h"
+
+#include "flow-var.h"
+#include "decode-events.h"
+#include "app-layer.h"
+#include "app-layer-detect-proto.h"
+
+#include "detect-fragbits.h"
+#include "util-unittest.h"
+#include "util-debug.h"
+
+#include "pkt-var.h"
+#include "host.h"
+#include "util-profiling.h"
+
+/**
+ * Regex
+ * fragbits: [!+*](MDR)
+ */
+#define PARSE_REGEX "^\\s*(?:([\\+\\*!]))?\\s*([MDR]+)"
+
+/**
+ * FragBits args[0] *(3) +(2) !(1)
+ *
+ */
+
+#define MODIFIER_NOT 1
+#define MODIFIER_PLUS 2
+#define MODIFIER_ANY 3
+
+#define FRAGBITS_HAVE_MF 0x01
+#define FRAGBITS_HAVE_DF 0x02
+#define FRAGBITS_HAVE_RF 0x04
+
+static pcre *parse_regex;
+static pcre_extra *parse_regex_study;
+
+static int DetectFragBitsMatch (ThreadVars *, DetectEngineThreadCtx *, Packet *, Signature *, const SigMatchCtx *);
+static int DetectFragBitsSetup (DetectEngineCtx *, Signature *, char *);
+static void DetectFragBitsFree(void *);
+
+/**
+ * \brief Registration function for fragbits: keyword
+ */
+
+void DetectFragBitsRegister (void)
+{
+ sigmatch_table[DETECT_FRAGBITS].name = "fragbits";
+ sigmatch_table[DETECT_FRAGBITS].desc = "check if the fragmentation and reserved bits are set in the IP header";
+ sigmatch_table[DETECT_FRAGBITS].url = "https://redmine.openinfosecfoundation.org/projects/suricata/wiki/Header_keywords#Fragbits";
+ sigmatch_table[DETECT_FRAGBITS].Match = DetectFragBitsMatch;
+ sigmatch_table[DETECT_FRAGBITS].Setup = DetectFragBitsSetup;
+ sigmatch_table[DETECT_FRAGBITS].Free = DetectFragBitsFree;
+ sigmatch_table[DETECT_FRAGBITS].RegisterTests = FragBitsRegisterTests;
+
+ const char *eb;
+ int opts = 0;
+ int eo;
+
+ parse_regex = pcre_compile(PARSE_REGEX, opts, &eb, &eo, NULL);
+ if(parse_regex == NULL)
+ {
+ SCLogError(SC_ERR_PCRE_COMPILE, "pcre compile of \"%s\" failed at offset %" PRId32 ": %s", PARSE_REGEX, eo, eb);
+ goto error;
+ }
+
+ parse_regex_study = pcre_study(parse_regex, 0, &eb);
+ if(eb != NULL)
+ {
+ SCLogError(SC_ERR_PCRE_STUDY, "pcre study failed: %s", eb);
+ goto error;
+ }
+
+error:
+ return;
+
+}
+
+/**
+ * \internal
+ * \brief This function is used to match fragbits on a packet with those passed via fragbits:
+ *
+ * \param t pointer to thread vars
+ * \param det_ctx pointer to the pattern matcher thread
+ * \param p pointer to the current packet
+ * \param s pointer to the Signature
+ * \param m pointer to the sigmatch
+ *
+ * \retval 0 no match
+ * \retval 1 match
+ */
+static int DetectFragBitsMatch (ThreadVars *t, DetectEngineThreadCtx *det_ctx, Packet *p, Signature *s, const SigMatchCtx *ctx)
+{
+ int ret = 0;
+ uint16_t fragbits = 0;
+ const DetectFragBitsData *de = (const DetectFragBitsData *)ctx;
+
+ if (!de || !PKT_IS_IPV4(p) || !p || PKT_IS_PSEUDOPKT(p))
+ return ret;
+
+ if(IPV4_GET_MF(p))
+ fragbits |= FRAGBITS_HAVE_MF;
+ if(IPV4_GET_DF(p))
+ fragbits |= FRAGBITS_HAVE_DF;
+ if(IPV4_GET_RF(p))
+ fragbits |= FRAGBITS_HAVE_RF;
+
+ switch(de->modifier) {
+ case MODIFIER_ANY:
+ if((fragbits & de->fragbits) > 0)
+ return 1;
+ return ret;
+ case MODIFIER_PLUS:
+ if(((fragbits & de->fragbits) == de->fragbits) && (((fragbits - de->fragbits) > 0)))
+ return 1;
+ return ret;
+ case MODIFIER_NOT:
+ if((fragbits & de->fragbits) != de->fragbits)
+ return 1;
+ return ret;
+ default:
+ if(fragbits == de->fragbits)
+ return 1;
+ }
+
+ return ret;
+}
+
+/**
+ * \internal
+ * \brief This function is used to parse fragbits options passed via fragbits: keyword
+ *
+ * \param rawstr Pointer to the user provided fragbits options
+ *
+ * \retval de pointer to DetectFragBitsData on success
+ * \retval NULL on failure
+ */
+static DetectFragBitsData *DetectFragBitsParse (char *rawstr)
+{
+ DetectFragBitsData *de = NULL;
+#define MAX_SUBSTRINGS 30
+ int ret = 0, found = 0, res = 0;
+ int ov[MAX_SUBSTRINGS];
+ const char *str_ptr = NULL;
+ char *args[2] = { NULL, NULL};
+ char *ptr;
+ int i;
+
+ ret = pcre_exec(parse_regex, parse_regex_study, rawstr, strlen(rawstr), 0, 0, ov, MAX_SUBSTRINGS);
+
+ if (ret < 1) {
+ SCLogError(SC_ERR_PCRE_MATCH, "pcre_exec parse error, ret %" PRId32 ", string %s", ret, rawstr);
+ goto error;
+ }
+
+ for (i = 0; i < (ret - 1); i++) {
+
+ res = pcre_get_substring((char *)rawstr, ov, MAX_SUBSTRINGS,i + 1, &str_ptr);
+
+ if (res < 0) {
+ SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
+ goto error;
+ }
+
+ args[i] = (char *)str_ptr;
+ }
+
+ if(args[1] == NULL) {
+ SCLogError(SC_ERR_INVALID_VALUE, "invalid value");
+ goto error;
+ }
+
+ de = SCMalloc(sizeof(DetectFragBitsData));
+ if (unlikely(de == NULL))
+ goto error;
+
+ memset(de,0,sizeof(DetectFragBitsData));
+
+ /** First parse args[0] */
+
+ if(args[0]) {
+
+ ptr = args[0];
+
+ while (*ptr != '\0') {
+ switch (*ptr) {
+ case '!':
+ de->modifier = MODIFIER_NOT;
+ break;
+ case '+':
+ de->modifier = MODIFIER_PLUS;
+ break;
+ case '*':
+ de->modifier = MODIFIER_ANY;
+ break;
+ }
+ ptr++;
+ }
+
+ }
+
+ /** Second parse first set of fragbits */
+
+ ptr = args[1];
+
+ while (*ptr != '\0') {
+ switch (*ptr) {
+ case 'M':
+ case 'm':
+ de->fragbits |= FRAGBITS_HAVE_MF;
+ found++;
+ break;
+ case 'D':
+ case 'd':
+ de->fragbits |= FRAGBITS_HAVE_DF;
+ found++;
+ break;
+ case 'R':
+ case 'r':
+ de->fragbits |= FRAGBITS_HAVE_RF;
+ found++;
+ break;
+ default:
+ found = 0;
+ break;
+ }
+ ptr++;
+ }
+
+ if(found == 0)
+ goto error;
+
+ for (i = 0; i < 2; i++) {
+ if (args[i] != NULL)
+ SCFree(args[i]);
+ }
+ return de;
+
+error:
+ for (i = 0; i < 2; i++) {
+ if (args[i] != NULL)
+ SCFree(args[i]);
+ }
+ if (de != NULL)
+ SCFree(de);
+ return NULL;
+}
+
+/**
+ * \internal
+ * \brief this function is used to add the parsed fragbits into the current signature
+ *
+ * \param de_ctx pointer to the Detection Engine Context
+ * \param s pointer to the Current Signature
+ * \param m pointer to the Current SigMatch
+ * \param rawstr pointer to the user provided fragbits options
+ *
+ * \retval 0 on Success
+ * \retval -1 on Failure
+ */
+static int DetectFragBitsSetup (DetectEngineCtx *de_ctx, Signature *s, char *rawstr)
+{
+ DetectFragBitsData *de = NULL;
+ SigMatch *sm = NULL;
+
+ de = DetectFragBitsParse(rawstr);
+ if (de == NULL)
+ goto error;
+
+ sm = SigMatchAlloc();
+ if (sm == NULL)
+ goto error;
+
+ sm->type = DETECT_FRAGBITS;
+ sm->ctx = (SigMatchCtx *)de;
+
+ SigMatchAppendSMToList(s, sm, DETECT_SM_LIST_MATCH);
+ s->flags |= SIG_FLAG_REQUIRE_PACKET;
+
+ return 0;
+
+error:
+ if (de) SCFree(de);
+ if (sm) SCFree(sm);
+ return -1;
+}
+
+/**
+ * \internal
+ * \brief this function will free memory associated with DetectFragBitsData
+ *
+ * \param de pointer to DetectFragBitsData
+ */
+static void DetectFragBitsFree(void *de_ptr)
+{
+ DetectFragBitsData *de = (DetectFragBitsData *)de_ptr;
+ if(de) SCFree(de);
+}
+
+/*
+ * ONLY TESTS BELOW THIS COMMENT
+ */
+
+#ifdef UNITTESTS
+/**
+ * \test FragBitsTestParse01 is a test for a valid fragbits value
+ *
+ * \retval 1 on succces
+ * \retval 0 on failure
+ */
+static int FragBitsTestParse01 (void)
+{
+ DetectFragBitsData *de = NULL;
+ de = DetectFragBitsParse("M");
+ if (de && (de->fragbits == FRAGBITS_HAVE_MF) ) {
+ DetectFragBitsFree(de);
+ return 1;
+ }
+
+ return 0;
+}
+
+/**
+ * \test FragBitsTestParse02 is a test for an invalid fragbits value
+ *
+ * \retval 1 on succces
+ * \retval 0 on failure
+ */
+static int FragBitsTestParse02 (void)
+{
+ DetectFragBitsData *de = NULL;
+ de = DetectFragBitsParse("G");
+ if (de) {
+ DetectFragBitsFree(de);
+ return 1;
+ }
+
+ return 0;
+}
+
+/**
+ * \test FragBitsTestParse03 test if DONT FRAG is set. Must return success
+ *
+ * \retval 1 on success
+ * \retval 0 on failure
+ */
+static int FragBitsTestParse03 (void)
+{
+ uint8_t raw_eth[] = {
+ 0x00 ,0x40 ,0x33 ,0xd9 ,0x7c ,0xfd ,0x00 ,0x00,
+ 0x39 ,0xcf ,0xd9 ,0xcd ,0x08 ,0x00 ,0x45 ,0x00,
+ 0x01 ,0x13 ,0x9c ,0x5d ,0x40 ,0x00 ,0xf6 ,0x11,
+ 0x44 ,0xca ,0x97 ,0xa4 ,0x01 ,0x08 ,0x0a ,0x00,
+ 0x00 ,0x06 ,0x00 ,0x35 ,0x04 ,0x0b ,0x00 ,0xff,
+ 0x3c ,0x87 ,0x7d ,0x9e ,0x85 ,0x80 ,0x00 ,0x01,
+ 0x00 ,0x01 ,0x00 ,0x05 ,0x00 ,0x05 ,0x06 ,0x70,
+ 0x69 ,0x63 ,0x61 ,0x72 ,0x64 ,0x07 ,0x75 ,0x74,
+ 0x68 ,0x73 ,0x63 ,0x73 ,0x61 ,0x03 ,0x65 ,0x64,
+ 0x75 ,0x00 ,0x00 ,0x01 ,0x00 ,0x01 ,0xc0 ,0x0c,
+ 0x00 ,0x01 ,0x00 ,0x01 ,0x00 ,0x00 ,0x0e ,0x10,
+ 0x00 ,0x04 ,0x81 ,0x6f ,0x1e ,0x1b ,0x07 ,0x75,
+ 0x74 ,0x68 ,0x73 ,0x63 ,0x73 ,0x61 ,0x03 ,0x65,
+ 0x64 ,0x75 ,0x00 ,0x00 ,0x02 ,0x00 ,0x01 ,0x00,
+ 0x00 ,0x0e ,0x10 ,0x00 ,0x09 ,0x06 ,0x6b ,0x65,
+ 0x6e ,0x6f ,0x62 ,0x69 ,0xc0 ,0x34 ,0xc0 ,0x34,
+ 0x00 ,0x02 ,0x00 ,0x01 ,0x00 ,0x00 ,0x0e ,0x10,
+ 0x00 ,0x07 ,0x04 ,0x6a ,0x69 ,0x6e ,0x6e ,0xc0,
+ 0x34 ,0xc0 ,0x34 ,0x00 ,0x02 ,0x00 ,0x01 ,0x00,
+ 0x00 ,0x0e ,0x10 ,0x00 ,0x0c ,0x04 ,0x64 ,0x6e,
+ 0x73 ,0x31 ,0x04 ,0x6e ,0x6a ,0x69 ,0x74 ,0xc0,
+ 0x3c ,0xc0 ,0x34 ,0x00 ,0x02 ,0x00 ,0x01 ,0x00,
+ 0x00 ,0x0e ,0x10 ,0x00 ,0x08 ,0x05 ,0x65 ,0x6c,
+ 0x7a ,0x69 ,0x70 ,0xc0 ,0x34 ,0xc0 ,0x34 ,0x00,
+ 0x02 ,0x00 ,0x01 ,0x00 ,0x00 ,0x0e ,0x10 ,0x00,
+ 0x08 ,0x05 ,0x61 ,0x72 ,0x77 ,0x65 ,0x6e ,0xc0,
+ 0x34 ,0xc0 ,0x4b ,0x00 ,0x01 ,0x00 ,0x01 ,0x00,
+ 0x00 ,0x0e ,0x10 ,0x00 ,0x04 ,0x81 ,0x6f ,0x1a,
+ 0x06 ,0xc0 ,0x60 ,0x00 ,0x01 ,0x00 ,0x01 ,0x00,
+ 0x00 ,0x0e ,0x10 ,0x00 ,0x04 ,0x81 ,0x6f ,0x1a,
+ 0x07 ,0xc0 ,0x73 ,0x00 ,0x01 ,0x00 ,0x01 ,0x00,
+ 0x01 ,0x03 ,0x82 ,0x00 ,0x04 ,0x80 ,0xeb ,0xfb,
+ 0x0a ,0xc0 ,0x8b ,0x00 ,0x01 ,0x00 ,0x01 ,0x00,
+ 0x00 ,0x0e ,0x10 ,0x00 ,0x04 ,0x81 ,0x6f ,0x01,
+ 0x0b ,0xc0 ,0x9f ,0x00 ,0x01 ,0x00 ,0x01 ,0x00,
+ 0x00 ,0x0e ,0x10 ,0x00 ,0x04 ,0x81 ,0x6f ,0x0b,
+ 0x51};
+ Packet *p = SCMalloc(SIZE_OF_PACKET);
+ if (unlikely(p == NULL))
+ return 0;
+ ThreadVars tv;
+ DecodeThreadVars dtv;
+ IPV4Hdr ipv4h;
+ int ret = 0;
+ DetectFragBitsData *de = NULL;
+ SigMatch *sm = NULL;
+
+ memset(&tv, 0, sizeof(ThreadVars));
+ memset(p, 0, SIZE_OF_PACKET);
+ memset(&dtv, 0, sizeof(DecodeThreadVars));
+ memset(&ipv4h, 0, sizeof(IPV4Hdr));
+ dtv.app_tctx = AppLayerGetCtxThread(&tv);
+
+ p->ip4h = &ipv4h;
+
+ FlowInitConfig(FLOW_QUIET);
+
+ DecodeEthernet(&tv, &dtv, p, raw_eth, sizeof(raw_eth), NULL);
+
+ de = DetectFragBitsParse("D");
+
+ if (de == NULL || (de->fragbits != FRAGBITS_HAVE_DF))
+ goto error;
+
+ sm = SigMatchAlloc();
+ if (sm == NULL)
+ goto error;
+
+ sm->type = DETECT_FRAGBITS;
+ sm->ctx = (SigMatchCtx *)de;
+
+ ret = DetectFragBitsMatch(&tv, NULL, p, NULL, sm->ctx);
+
+ if(ret) {
+ if (de) SCFree(de);
+ if (sm) SCFree(sm);
+ SCFree(p);
+ return 1;
+ }
+
+error:
+ FlowShutdown();
+ if (de) SCFree(de);
+ if (sm) SCFree(sm);
+ SCFree(p);
+ return 0;
+}
+
+/**
+ * \test FragBitsTestParse04 test if DONT FRAG is not set. Must fails.
+ *
+ * \retval 1 on success
+ * \retval 0 on failure
+ */
+static int FragBitsTestParse04 (void)
+{
+ uint8_t raw_eth[] = {
+ 0x00 ,0x40 ,0x33 ,0xd9 ,0x7c ,0xfd ,0x00 ,0x00,
+ 0x39 ,0xcf ,0xd9 ,0xcd ,0x08 ,0x00 ,0x45 ,0x00,
+ 0x01 ,0x13 ,0x9c ,0x5d ,0x40 ,0x00 ,0xf6 ,0x11,
+ 0x44 ,0xca ,0x97 ,0xa4 ,0x01 ,0x08 ,0x0a ,0x00,
+ 0x00 ,0x06 ,0x00 ,0x35 ,0x04 ,0x0b ,0x00 ,0xff,
+ 0x3c ,0x87 ,0x7d ,0x9e ,0x85 ,0x80 ,0x00 ,0x01,
+ 0x00 ,0x01 ,0x00 ,0x05 ,0x00 ,0x05 ,0x06 ,0x70,
+ 0x69 ,0x63 ,0x61 ,0x72 ,0x64 ,0x07 ,0x75 ,0x74,
+ 0x68 ,0x73 ,0x63 ,0x73 ,0x61 ,0x03 ,0x65 ,0x64,
+ 0x75 ,0x00 ,0x00 ,0x01 ,0x00 ,0x01 ,0xc0 ,0x0c,
+ 0x00 ,0x01 ,0x00 ,0x01 ,0x00 ,0x00 ,0x0e ,0x10,
+ 0x00 ,0x04 ,0x81 ,0x6f ,0x1e ,0x1b ,0x07 ,0x75,
+ 0x74 ,0x68 ,0x73 ,0x63 ,0x73 ,0x61 ,0x03 ,0x65,
+ 0x64 ,0x75 ,0x00 ,0x00 ,0x02 ,0x00 ,0x01 ,0x00,
+ 0x00 ,0x0e ,0x10 ,0x00 ,0x09 ,0x06 ,0x6b ,0x65,
+ 0x6e ,0x6f ,0x62 ,0x69 ,0xc0 ,0x34 ,0xc0 ,0x34,
+ 0x00 ,0x02 ,0x00 ,0x01 ,0x00 ,0x00 ,0x0e ,0x10,
+ 0x00 ,0x07 ,0x04 ,0x6a ,0x69 ,0x6e ,0x6e ,0xc0,
+ 0x34 ,0xc0 ,0x34 ,0x00 ,0x02 ,0x00 ,0x01 ,0x00,
+ 0x00 ,0x0e ,0x10 ,0x00 ,0x0c ,0x04 ,0x64 ,0x6e,
+ 0x73 ,0x31 ,0x04 ,0x6e ,0x6a ,0x69 ,0x74 ,0xc0,
+ 0x3c ,0xc0 ,0x34 ,0x00 ,0x02 ,0x00 ,0x01 ,0x00,
+ 0x00 ,0x0e ,0x10 ,0x00 ,0x08 ,0x05 ,0x65 ,0x6c,
+ 0x7a ,0x69 ,0x70 ,0xc0 ,0x34 ,0xc0 ,0x34 ,0x00,
+ 0x02 ,0x00 ,0x01 ,0x00 ,0x00 ,0x0e ,0x10 ,0x00,
+ 0x08 ,0x05 ,0x61 ,0x72 ,0x77 ,0x65 ,0x6e ,0xc0,
+ 0x34 ,0xc0 ,0x4b ,0x00 ,0x01 ,0x00 ,0x01 ,0x00,
+ 0x00 ,0x0e ,0x10 ,0x00 ,0x04 ,0x81 ,0x6f ,0x1a,
+ 0x06 ,0xc0 ,0x60 ,0x00 ,0x01 ,0x00 ,0x01 ,0x00,
+ 0x00 ,0x0e ,0x10 ,0x00 ,0x04 ,0x81 ,0x6f ,0x1a,
+ 0x07 ,0xc0 ,0x73 ,0x00 ,0x01 ,0x00 ,0x01 ,0x00,
+ 0x01 ,0x03 ,0x82 ,0x00 ,0x04 ,0x80 ,0xeb ,0xfb,
+ 0x0a ,0xc0 ,0x8b ,0x00 ,0x01 ,0x00 ,0x01 ,0x00,
+ 0x00 ,0x0e ,0x10 ,0x00 ,0x04 ,0x81 ,0x6f ,0x01,
+ 0x0b ,0xc0 ,0x9f ,0x00 ,0x01 ,0x00 ,0x01 ,0x00,
+ 0x00 ,0x0e ,0x10 ,0x00 ,0x04 ,0x81 ,0x6f ,0x0b,
+ 0x51};
+ Packet *p = SCMalloc(SIZE_OF_PACKET);
+ if (unlikely(p == NULL))
+ return 0;
+ ThreadVars tv;
+ DecodeThreadVars dtv;
+ IPV4Hdr ipv4h;
+ int ret = 0;
+ DetectFragBitsData *de = NULL;
+ SigMatch *sm = NULL;
+
+ memset(&tv, 0, sizeof(ThreadVars));
+ memset(p, 0, SIZE_OF_PACKET);
+ memset(&dtv, 0, sizeof(DecodeThreadVars));
+ memset(&ipv4h, 0, sizeof(IPV4Hdr));
+ dtv.app_tctx = AppLayerGetCtxThread(&tv);
+
+ p->ip4h = &ipv4h;
+
+ FlowInitConfig(FLOW_QUIET);
+
+ DecodeEthernet(&tv, &dtv, p, raw_eth, sizeof(raw_eth), NULL);
+
+
+ de = DetectFragBitsParse("!D");
+
+ if (de == NULL || (de->fragbits != FRAGBITS_HAVE_DF) || (de->modifier != MODIFIER_NOT))
+ goto error;
+
+ sm = SigMatchAlloc();
+ if (sm == NULL)
+ goto error;
+
+ sm->type = DETECT_FRAGBITS;
+ sm->ctx = (SigMatchCtx *)de;
+
+ ret = DetectFragBitsMatch(&tv, NULL, p, NULL, sm->ctx);
+
+ if(ret) {
+ if (de) SCFree(de);
+ if (sm) SCFree(sm);
+ PACKET_RECYCLE(p);
+ FlowShutdown();
+ SCFree(p);
+ return 1;
+ }
+
+error:
+ if (de) SCFree(de);
+ if (sm) SCFree(sm);
+ PACKET_RECYCLE(p);
+ FlowShutdown();
+ SCFree(p);
+ return 0;
+}
+#endif /* UNITTESTS */
+
+/**
+ * \brief this function registers unit tests for FragBits
+ */
+void FragBitsRegisterTests(void)
+{
+#ifdef UNITTESTS
+ UtRegisterTest("FragBitsTestParse01", FragBitsTestParse01, 1);
+ UtRegisterTest("FragBitsTestParse02", FragBitsTestParse02, 0);
+ UtRegisterTest("FragBitsTestParse03", FragBitsTestParse03, 1);
+ UtRegisterTest("FragBitsTestParse04", FragBitsTestParse04, 0);
+#endif /* UNITTESTS */
+}