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diff --git a/framework/src/suricata/src/detect-asn1.c b/framework/src/suricata/src/detect-asn1.c
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+/* 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 detect-asn1.c
+ *
+ * \author Pablo Rincon Crespo <pablo.rincon.crespo@gmail.com>
+ *
+ * Implements "asn1" keyword
+ */
+
+#include "suricata-common.h"
+#include "debug.h"
+#include "decode.h"
+
+#include "detect.h"
+#include "detect-parse.h"
+
+#include "flow.h"
+#include "detect-asn1.h"
+
+#include "util-unittest.h"
+#include "util-unittest-helper.h"
+#include "util-byte.h"
+#include "util-debug.h"
+#include "util-decode-asn1.h"
+
+/* delimiters for functions/arguments */
+const char *ASN_DELIM = " \t,\n";
+
+int DetectAsn1Match(ThreadVars *, DetectEngineThreadCtx *, Packet *,
+ Signature *, const SigMatchCtx *);
+static int DetectAsn1Setup (DetectEngineCtx *, Signature *, char *);
+void DetectAsn1RegisterTests(void);
+void DetectAsn1Free(void *);
+
+/**
+ * \brief Registration function for asn1
+ */
+void DetectAsn1Register(void)
+{
+ sigmatch_table[DETECT_ASN1].name = "asn1";
+ sigmatch_table[DETECT_ASN1].Match = DetectAsn1Match;
+ sigmatch_table[DETECT_ASN1].Setup = DetectAsn1Setup;
+ sigmatch_table[DETECT_ASN1].Free = DetectAsn1Free;
+ sigmatch_table[DETECT_ASN1].RegisterTests = DetectAsn1RegisterTests;
+
+ return;
+}
+
+/**
+ * \brief The main checks are done here
+ * This function implements the detection of the following options:
+ * - oversize_length
+ * - bitstring_overflow
+ * - double_overflow
+ * We can add more checks here easily since we have all the data of the
+ * node avaliable. If we need all the tree, we can just pass the
+ * ASN1 ctx as argument and perform the checks here
+ * \param node pointer to the Asn1Node to inspect
+ * \param ad pointer to the parsed options of the asn1 keyword (which hold the
+ * checks that we want to perform, and the lenght of oversize check
+ * \retval 1 if any of the options match, 0 if not
+ */
+static uint8_t DetectAsn1Checks(Asn1Node *node, const DetectAsn1Data *ad)
+{
+
+ /* oversize_length will check if a node has a length greater than
+ * the user supplied length */
+ if (ad->flags & ASN1_OVERSIZE_LEN) {
+ if (node->len.len > ad->oversize_length
+ || node->data.len > ad->oversize_length)
+ return 1;
+ }
+
+ /* 8.6 */
+ /* bitstring_overflow check a malformed option where the number of bits
+ * to ignore is greater than the length decoded (in bits) */
+ if (ad->flags & ASN1_BITSTRING_OVF) {
+ if (node->id.class_tag == ASN1_BER_CLASS_UNIV &&
+ node->id.tag_num == ASN1_UNITAG_BIT_STRING &&
+ node->id.tag_type == ASN1_TAG_TYPE_PRIMITIVE)
+ {
+ if (node->len.len > 0 && node->data.ptr != NULL
+ && (node->len.len) * 8 < (uint8_t) *node->data.ptr)
+ {
+ return 1;
+ }
+ }
+ }
+
+ /* double_overflow checks a known issue that affect the MSASN1 library
+ * when decoding double/real types. If the endoding is ASCII,
+ * and the buffer is greater than 256, the array is overflown
+ */
+ if (ad->flags & ASN1_DOUBLE_OVF) {
+ if (node->id.class_tag == ASN1_BER_CLASS_UNIV &&
+ node->id.tag_num == ASN1_UNITAG_REAL &&
+ node->id.tag_type == ASN1_TAG_TYPE_PRIMITIVE)
+ {
+ if (node->len.len > 0 && node->data.ptr != NULL
+ && !((uint8_t) *node->data.ptr & 0xC0)
+ && (node->len.len > 256 || node->data.len > 256))
+ {
+ return 1;
+ }
+ }
+ }
+
+ /* Good to know :) */
+ return 0;
+}
+
+/**
+ * \brief This function will decode the asn1 data and inspect the resulting
+ * nodes to detect if any of the specified checks match this data
+ *
+ * \param t pointer to thread vars
+ * \param det_ctx pointer to the pattern matcher thread
+ * \param p pointer to the current packet
+ * \param m pointer to the sigmatch that we will cast into DetectAsn1Data
+ *
+ * \retval 0 no match
+ * \retval 1 match
+ */
+int DetectAsn1Match(ThreadVars *t, DetectEngineThreadCtx *det_ctx, Packet *p,
+ Signature *s, const SigMatchCtx *ctx)
+{
+ uint8_t ret = 0;
+
+ if (p->payload_len == 0) {
+ /* No error, parser done, no data in bounds to decode */
+ return 0;
+ }
+
+ const DetectAsn1Data *ad = (const DetectAsn1Data *)ctx;
+
+ Asn1Ctx *ac = SCAsn1CtxNew();
+ if (ac == NULL)
+ return 0;
+
+ if (ad->flags & ASN1_ABSOLUTE_OFFSET) {
+ SCAsn1CtxInit(ac, p->payload + ad->absolute_offset,
+ p->payload_len - ad->absolute_offset);
+ } else if (ad->flags & ASN1_RELATIVE_OFFSET) {
+ SCAsn1CtxInit(ac, p->payload + ad->relative_offset,
+ p->payload_len - ad->relative_offset);
+ } else {
+ SCAsn1CtxInit(ac, p->payload, p->payload_len);
+ }
+
+ SCAsn1Decode(ac, ac->cur_frame);
+
+ /* Ok, now we have all the data. Let's check the nodes */
+
+ if (ac->cur_frame > 0 || (ac->asn1_stack[0] != NULL && ac->asn1_stack[0]->id.ptr != NULL)) {
+ /* We spect at least one node */
+ uint16_t n_iter = 0;
+ ret = 0;
+
+ for (; n_iter <= ac->cur_frame; n_iter++) {
+ Asn1Node *node = ASN1CTX_GET_NODE(ac, n_iter);
+
+ if (node == NULL || node->id.ptr == NULL)
+ continue; /* Should not happen */
+
+ ret = DetectAsn1Checks(node, ad);
+ /* Got a match? */
+ if (ret == 1)
+ break;
+ }
+ }
+
+ SCAsn1CtxDestroy(ac);
+ return ret;
+}
+
+/**
+ * \brief This function is used to parse asn1 options passed via asn1: keyword
+ *
+ * \param asn1str Pointer to the user provided asn1 options
+ *
+ * \retval fd pointer to DetectAsn1Data on success
+ * \retval NULL on failure
+ */
+DetectAsn1Data *DetectAsn1Parse(char *asn1str)
+{
+ DetectAsn1Data *fd = NULL;
+ char *tok = NULL;
+ uint32_t ov_len = 0;
+ uint32_t abs_off = 0;
+ int32_t rel_off = 0;
+ uint8_t flags = 0;
+ char *saveptr = NULL;
+
+ tok = strtok_r(asn1str, ASN_DELIM, &saveptr);
+ if (tok == NULL) {
+ SCLogError(SC_ERR_INVALID_VALUE, "Malformed asn1 argument: %s",
+ asn1str);
+ return NULL;
+ }
+
+ while (tok != NULL) {
+ if (strcasecmp("bitstring_overflow", tok) == 0) {
+ /* No arg here, just set the flag */
+ flags |= ASN1_BITSTRING_OVF;
+ } else if (strcasecmp("double_overflow", tok) == 0) {
+ /* No arg here, just set the flag */
+ flags |= ASN1_DOUBLE_OVF;
+ } else if (strcasecmp("oversize_length", tok) == 0) {
+ flags |= ASN1_OVERSIZE_LEN;
+ /* get the param */
+ tok = strtok_r(NULL, ASN_DELIM, &saveptr);
+ if ( tok == NULL ||
+ ByteExtractStringUint32(&ov_len, 10, 0, tok) <= 0)
+ {
+ SCLogError(SC_ERR_INVALID_VALUE, "Malformed value for "
+ "oversize_length: %s", tok);
+ goto error;
+ }
+ } else if (strcasecmp("absolute_offset", tok) == 0) {
+ flags |= ASN1_ABSOLUTE_OFFSET;
+ /* get the param */
+ tok = strtok_r(NULL, ASN_DELIM, &saveptr);
+ if (tok == NULL ||
+ ByteExtractStringUint32(&abs_off, 10, 0, tok) <= 0)
+ {
+ SCLogError(SC_ERR_INVALID_VALUE, "Malformed value for "
+ "absolute_offset: %s", tok);
+ goto error;
+ }
+ } else if (strcasecmp("relative_offset",tok) == 0) {
+ flags |= ASN1_RELATIVE_OFFSET;
+ /* get the param */
+ tok = strtok_r(NULL, ASN_DELIM, &saveptr);
+ if (tok == NULL ||
+ ByteExtractStringInt32(&rel_off, 10, 0, tok) <= 0)
+ {
+ SCLogError(SC_ERR_INVALID_VALUE, "Malformed value for "
+ "relative_offset: %s", tok);
+ goto error;
+ }
+ } else {
+ SCLogError(SC_ERR_INVALID_VALUE, "Malformed asn1 argument: %s",
+ asn1str);
+ return NULL;
+ }
+ tok = strtok_r(NULL, ASN_DELIM, &saveptr);
+ }
+
+ fd = SCMalloc(sizeof(DetectAsn1Data));
+ if (unlikely(fd == NULL)) {
+ exit(EXIT_FAILURE);
+ }
+ memset(fd, 0x00, sizeof(DetectAsn1Data));
+
+ fd->flags = flags;
+ fd->oversize_length = ov_len; /* Length argument if needed */
+ fd->absolute_offset = abs_off; /* Length argument if needed */
+ fd->relative_offset = rel_off; /* Length argument if needed */
+ return fd;
+
+error:
+ return NULL;
+}
+
+/**
+ * \brief this function is used to add the parsed asn1 data into
+ * the current signature
+ *
+ * \param de_ctx pointer to the Detection Engine Context
+ * \param s pointer to the Current Signature
+ * \param asn1str pointer to the user provided asn1 options
+ *
+ * \retval 0 on Success
+ * \retval -1 on Failure
+ */
+int DetectAsn1Setup(DetectEngineCtx *de_ctx, Signature *s, char *asn1str)
+{
+ DetectAsn1Data *ad = NULL;
+ SigMatch *sm = NULL;
+
+ ad = DetectAsn1Parse(asn1str);
+ if (ad == NULL) goto error;
+
+ /* Okay so far so good, lets get this into a SigMatch
+ * and put it in the Signature. */
+ sm = SigMatchAlloc();
+ if (sm == NULL)
+ goto error;
+
+ sm->type = DETECT_ASN1;
+ sm->ctx = (SigMatchCtx *)ad;
+
+ SigMatchAppendSMToList(s, sm, DETECT_SM_LIST_MATCH);
+
+ return 0;
+
+error:
+ if (ad != NULL) DetectAsn1Free(ad);
+ if (sm != NULL) SCFree(sm);
+ return -1;
+
+}
+
+/**
+ * \brief this function will free memory associated with DetectAsn1Data
+ *
+ * \param ad pointer to DetectAsn1Data
+ */
+void DetectAsn1Free(void *ptr)
+{
+ DetectAsn1Data *ad = (DetectAsn1Data *)ptr;
+ SCFree(ad);
+}
+
+#ifdef UNITTESTS
+
+/**
+ * \test DetectAsn1TestParse01 check that we parse oversize_length correctly
+ */
+int DetectAsn1TestParse01(void)
+{
+ int result = 0;
+ char str[] = "oversize_length 1024";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL) {
+ if (ad->oversize_length == 1024 && (ad->flags & ASN1_OVERSIZE_LEN)) {
+ result = 1;
+ }
+ DetectAsn1Free(ad);
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestParse02 check that we parse absolute_offset correctly
+ */
+int DetectAsn1TestParse02(void)
+{
+ int result = 0;
+ DetectAsn1Data *ad = NULL;
+ char str[] = "absolute_offset 1024";
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL && ad->absolute_offset == 1024
+ && (ad->flags & ASN1_ABSOLUTE_OFFSET)) {
+ DetectAsn1Free(ad);
+ result = 1;
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestParse03 check that we parse relative_offset correctly
+ */
+int DetectAsn1TestParse03(void)
+{
+ int result = 0;
+ char str[] = "relative_offset 1024";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL && ad->relative_offset == 1024
+ && (ad->flags & ASN1_RELATIVE_OFFSET)) {
+ DetectAsn1Free(ad);
+ result = 1;
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestParse04 check that we parse bitstring_overflow correctly
+ */
+int DetectAsn1TestParse04(void)
+{
+ int result = 0;
+ char str[] = "bitstring_overflow";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL && (ad->flags & ASN1_BITSTRING_OVF)) {
+ DetectAsn1Free(ad);
+ result = 1;
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestParse05 check that we parse double_overflow correctly
+ */
+int DetectAsn1TestParse05(void)
+{
+ int result = 0;
+ char str[] = "double_overflow";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL && (ad->flags & ASN1_DOUBLE_OVF)) {
+ DetectAsn1Free(ad);
+ result = 1;
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestParse06 check that we fail if a needed arg is not given
+ */
+int DetectAsn1TestParse06(void)
+{
+ int result = 1;
+ char str[] = "absolute_offset";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL) {
+ DetectAsn1Free(ad);
+ result = 0;
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestParse07 check that we fail if a needed arg is not given
+ */
+int DetectAsn1TestParse07(void)
+{
+ int result = 1;
+ char str[] = "relative_offset";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL) {
+ DetectAsn1Free(ad);
+ result = 0;
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestParse08 check that we fail if a needed arg is not given
+ */
+int DetectAsn1TestParse08(void)
+{
+ int result = 1;
+ char str[] = "oversize_length";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL) {
+ DetectAsn1Free(ad);
+ result = 0;
+ }
+
+ return result;
+}
+
+
+
+/**
+ * \test DetectAsn1TestParse09 test that we break on invalid options
+ */
+int DetectAsn1TestParse09(void)
+{
+ int result = 1;
+ DetectAsn1Data *fd = NULL;
+ char str[] = "oversize_length 1024, lalala 360";
+
+ fd = DetectAsn1Parse(str);
+ if (fd != NULL) {
+ result = 0;
+ DetectAsn1Free(fd);
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestParse10 test that we break with a empty string
+ */
+int DetectAsn1TestParse10(void)
+{
+ int result = 1;
+ DetectAsn1Data *fd = NULL;
+ char str[] = "";
+
+ fd = DetectAsn1Parse(str);
+ if (fd != NULL) {
+ result = 0;
+ DetectAsn1Free(fd);
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestParse11 check for combinations of keywords
+ */
+int DetectAsn1TestParse11(void)
+{
+ int result = 0;
+ char str[] = "oversize_length 1024, relative_offset 10";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL && ad->oversize_length == 1024
+ && (ad->flags & ASN1_OVERSIZE_LEN)
+ && ad->relative_offset == 10
+ && (ad->flags & ASN1_RELATIVE_OFFSET))
+ {
+ DetectAsn1Free(ad);
+ result = 1;
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestParse12 check for combinations of keywords
+ */
+int DetectAsn1TestParse12(void)
+{
+ int result = 0;
+ char str[] = "oversize_length 1024 absolute_offset 10";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL && ad->oversize_length == 1024
+ && (ad->flags & ASN1_OVERSIZE_LEN)
+ && ad->absolute_offset == 10
+ && (ad->flags & ASN1_ABSOLUTE_OFFSET))
+ {
+ DetectAsn1Free(ad);
+ result = 1;
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestParse13 check for combinations of keywords
+ */
+int DetectAsn1TestParse13(void)
+{
+ int result = 0;
+ char str[] = "oversize_length 1024 absolute_offset 10, bitstring_overflow";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL && ad->oversize_length == 1024
+ && (ad->flags & ASN1_OVERSIZE_LEN)
+ && (ad->flags & ASN1_BITSTRING_OVF)
+ && ad->absolute_offset == 10
+ && (ad->flags & ASN1_ABSOLUTE_OFFSET))
+ {
+ DetectAsn1Free(ad);
+ result = 1;
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestParse14 check for combinations of keywords
+ */
+int DetectAsn1TestParse14(void)
+{
+ int result = 0;
+ char str[] = "double_overflow, oversize_length 1024 absolute_offset 10,"
+ " bitstring_overflow";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL && ad->oversize_length == 1024
+ && (ad->flags & ASN1_OVERSIZE_LEN)
+ && (ad->flags & ASN1_BITSTRING_OVF)
+ && (ad->flags & ASN1_DOUBLE_OVF)
+ && ad->absolute_offset == 10
+ && (ad->flags & ASN1_ABSOLUTE_OFFSET))
+ {
+ DetectAsn1Free(ad);
+ result = 1;
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestParse15 check for combinations of keywords
+ */
+int DetectAsn1TestParse15(void)
+{
+ int result = 0;
+ char str[] = "double_overflow, oversize_length 1024 relative_offset 10,"
+ " bitstring_overflow";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL && ad->oversize_length == 1024
+ && (ad->flags & ASN1_OVERSIZE_LEN)
+ && (ad->flags & ASN1_BITSTRING_OVF)
+ && (ad->flags & ASN1_DOUBLE_OVF)
+ && ad->relative_offset == 10
+ && (ad->flags & ASN1_RELATIVE_OFFSET))
+ {
+ DetectAsn1Free(ad);
+ result = 1;
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1Test01 Ensure that the checks work when they should
+ */
+int DetectAsn1Test01(void)
+{
+ int result = 0;
+ /* Match if any of the nodes after offset 0 has greater length than 10 */
+ char str[] = "oversize_length 132 absolute_offset 0";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL && ad->oversize_length == 132
+ && (ad->flags & ASN1_OVERSIZE_LEN)
+ && ad->absolute_offset == 0
+ && (ad->flags & ASN1_ABSOLUTE_OFFSET))
+ {
+ // Example from the specification X.690-0207 Appendix A.3
+ uint8_t *str = (uint8_t*) "\x60\x81\x85\x61\x10\x1A\x04""John""\x1A\x01"
+ "P""\x1A\x05""Smith""\xA0\x0A\x1A\x08""Director"
+ "\x42\x01\x33\xA1\x0A\x43\x08""19710917"
+ "\xA2\x12\x61\x10\x1A\x04""Mary""\x1A\x01""T""\x1A\x05"
+ "Smith""\xA3\x42\x31\x1F\x61\x11\x1A\x05""Ralph""\x1A\x01"
+ "T""\x1A\x05""Smith""\xA0\x0A\x43\x08""19571111"
+ "\x31\x1F\x61\x11\x1A\x05""Susan""\x1A\x01""B""\x1A\x05"
+ "Jones""\xA0\x0A\x43\x08""19590717";
+
+ Asn1Ctx *ac = SCAsn1CtxNew();
+ if (ac == NULL)
+ return 0;
+
+ uint16_t len = strlen((char *)str)-1;
+
+ SCAsn1CtxInit(ac, str, len);
+
+ SCAsn1Decode(ac, ac->cur_frame);
+
+ /* The first node has length 133, so it should match the oversize */
+ if (ac->cur_frame > 0) {
+ /* We spect at least one node */
+ uint16_t n_iter = 0;
+
+ for (; n_iter <= ac->cur_frame; n_iter++) {
+ Asn1Node *node = ASN1CTX_GET_NODE(ac, n_iter);
+
+ if (node == NULL || node->id.ptr == NULL)
+ continue; /* Should not happen */
+
+ result = DetectAsn1Checks(node, ad);
+ /* Got a match? */
+ if (result == 1)
+ break;
+ }
+ }
+
+ SCAsn1CtxDestroy(ac);
+ DetectAsn1Free(ad);
+
+ }
+
+ if (result == 0) {
+ printf("Error, oversize_length should match the first node: ");
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1Test02 Ensure that the checks work when they should
+ */
+int DetectAsn1Test02(void)
+{
+ int result = 0;
+ /* Match if any of the nodes has the bitstring overflow condition */
+ char str[] = "oversize_length 133, absolute_offset 0";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL && ad->oversize_length == 133
+ && (ad->flags & ASN1_OVERSIZE_LEN)
+ && ad->absolute_offset == 0
+ && (ad->flags & ASN1_ABSOLUTE_OFFSET))
+ {
+ // Example from the specification X.690-0207 Appendix A.3
+ uint8_t *str = (uint8_t*) "\x60\x81\x85\x61\x10\x1A\x04""John""\x1A\x01"
+ "P""\x1A\x05""Smith""\xA0\x0A\x1A\x08""Director"
+ "\x42\x01\x33\xA1\x0A\x43\x08""19710917"
+ "\xA2\x12\x61\x10\x1A\x04""Mary""\x1A\x01""T""\x1A\x05"
+ "Smith""\xA3\x42\x31\x1F\x61\x11\x1A\x05""Ralph""\x1A\x01"
+ "T""\x1A\x05""Smith""\xA0\x0A\x43\x08""19571111"
+ "\x31\x1F\x61\x11\x1A\x05""Susan""\x1A\x01""B""\x1A\x05"
+ "Jones""\xA0\x0A\x43\x08""19590717";
+
+ Asn1Ctx *ac = SCAsn1CtxNew();
+ if (ac == NULL)
+ return 0;
+
+ uint16_t len = strlen((char *)str)-1;
+
+ SCAsn1CtxInit(ac, str, len);
+
+ SCAsn1Decode(ac, ac->cur_frame);
+
+ /* The first node has length 133, so it should match the oversize */
+ if (ac->cur_frame > 0) {
+ /* We spect at least one node */
+ uint16_t n_iter = 0;
+
+ for (; n_iter <= ac->cur_frame; n_iter++) {
+ Asn1Node *node = ASN1CTX_GET_NODE(ac, n_iter);
+
+ if (node == NULL || node->id.ptr == NULL)
+ continue; /* Should not happen */
+
+ result |= DetectAsn1Checks(node, ad);
+ }
+ }
+
+ /* Got a match? We don't have nodes greater than 133, it should not */
+ if (result == 1) {
+ printf("Error, oversize_length should not match"
+ " any of the nodes: ");
+ result = 0;
+ } else {
+ result = 1;
+ }
+
+ SCAsn1CtxDestroy(ac);
+ DetectAsn1Free(ad);
+
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1Test03 Ensure that the checks work when they should
+ */
+int DetectAsn1Test03(void)
+{
+ int result = 0;
+ /* Match if any of the nodes after offset 0 has a bitstring overflow */
+ char str[] = "bitstring_overflow, absolute_offset 0";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL && (ad->flags & ASN1_BITSTRING_OVF)
+ && ad->absolute_offset == 0
+ && (ad->flags & ASN1_ABSOLUTE_OFFSET))
+ {
+ /* Let's say tagnum bitstring, primitive, and as universal tag,
+ * and then length = 1 octet, but the next octet specify to ignore
+ * the last 256 bits... (let's match!) */
+ uint8_t *str = (uint8_t*) "\x03\x01\xFF";
+
+ Asn1Ctx *ac = SCAsn1CtxNew();
+ if (ac == NULL)
+ return 0;
+
+ uint16_t len = 3;
+
+ SCAsn1CtxInit(ac, str, len);
+
+ SCAsn1Decode(ac, ac->cur_frame);
+
+ if (ac->cur_frame > 0 || ac->asn1_stack[0]->id.ptr != NULL) {
+ /* We spect at least one node */
+ uint16_t n_iter = 0;
+
+ for (; n_iter <= ac->cur_frame; n_iter++) {
+ Asn1Node *node = ASN1CTX_GET_NODE(ac, n_iter);
+
+ if (node == NULL || node->id.ptr == NULL)
+ continue; /* Should not happen */
+
+ result = DetectAsn1Checks(node, ad);
+ /* Got a match? */
+ if (result == 1)
+ break;
+ }
+ }
+
+ SCAsn1CtxDestroy(ac);
+ DetectAsn1Free(ad);
+
+ }
+
+ if (result == 0) {
+ printf("Error, bitstring_overflow should match the first node: ");
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1Test04 Ensure that the checks work when they should
+ */
+int DetectAsn1Test04(void)
+{
+ int result = 0;
+ /* Match if any of the nodes after offset 0 has a bitstring overflow */
+ char str[] = "bitstring_overflow, absolute_offset 0";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL && (ad->flags & ASN1_BITSTRING_OVF)
+ && ad->absolute_offset == 0
+ && (ad->flags & ASN1_ABSOLUTE_OFFSET))
+ {
+ /* Let's say tagnum bitstring, primitive, and as universal tag,
+ * and then length = 1 octet, but the next octet specify to ignore
+ * the last 7 bits... (should not match) */
+ uint8_t *str = (uint8_t*) "\x03\x01\x07";
+
+ Asn1Ctx *ac = SCAsn1CtxNew();
+ if (ac == NULL)
+ return 0;
+
+ uint16_t len = 3;
+
+ SCAsn1CtxInit(ac, str, len);
+
+ SCAsn1Decode(ac, ac->cur_frame);
+
+ if (ac->cur_frame > 0 || ac->asn1_stack[0]->id.ptr != NULL) {
+ /* We spect at least one node */
+ uint16_t n_iter = 0;
+
+ for (; n_iter <= ac->cur_frame; n_iter++) {
+ Asn1Node *node = ASN1CTX_GET_NODE(ac, n_iter);
+
+ if (node == NULL || node->id.ptr == NULL)
+ continue; /* Should not happen */
+
+ result = DetectAsn1Checks(node, ad);
+ /* Got a match? */
+ if (result == 1)
+ break;
+ }
+ }
+
+ SCAsn1CtxDestroy(ac);
+ DetectAsn1Free(ad);
+
+ }
+
+ if (result == 1) {
+ printf("Error, bitstring_overflog should not match any node: ");
+ result = 0;
+ } else {
+ result = 1;
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1Test05 Ensure that the checks work when they should
+ */
+int DetectAsn1Test05(void)
+{
+ int result = 0;
+ /* Match if any of the nodes after offset 0 has a double overflow */
+ char str[] = "double_overflow, absolute_offset 0";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL && (ad->flags & ASN1_DOUBLE_OVF)
+ && ad->absolute_offset == 0
+ && (ad->flags & ASN1_ABSOLUTE_OFFSET))
+ {
+ /* Let's say tag num 9 (type Real), and encoded as ASCII, with length
+ * 257, then we must match */
+ uint8_t str[261];
+ /* universal class, primitive type, tag_num = 9 (Data type Real) */
+ str[0] = '\x09';
+ /* length, definite form, 2 octets */
+ str[1] = '\x82';
+ /* length is the sum of the following octets (257): */
+ str[2] = '\xFE';
+ str[3] = '\x03';
+
+ /* Fill the content of the number */
+ uint16_t i = 4;
+ for (; i < 257;i++)
+ str[i] = '\x05';
+
+ Asn1Ctx *ac = SCAsn1CtxNew();
+ if (ac == NULL)
+ return 0;
+
+ uint16_t len = 261;
+
+ SCAsn1CtxInit(ac, str, len);
+
+ SCAsn1Decode(ac, ac->cur_frame);
+
+ if (ac->cur_frame > 0 || ac->asn1_stack[0]->id.ptr != NULL) {
+ /* We spect at least one node */
+ uint16_t n_iter = 0;
+
+ for (; n_iter <= ac->cur_frame; n_iter++) {
+ Asn1Node *node = ASN1CTX_GET_NODE(ac, n_iter);
+
+ if (node == NULL || node->id.ptr == NULL)
+ continue; /* Should not happen */
+
+ result = DetectAsn1Checks(node, ad);
+ /* Got a match? */
+ if (result == 1)
+ break;
+ }
+ }
+
+ SCAsn1CtxDestroy(ac);
+ DetectAsn1Free(ad);
+
+ }
+
+ if (result == 0) {
+ printf("Error, double_overflow should match the first node: ");
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1Test06 Ensure that the checks work when they should
+ */
+int DetectAsn1Test06(void)
+{
+ int result = 0;
+ /* Match if any of the nodes after offset 0 has a double overflow */
+ char str[] = "double_overflow, absolute_offset 0";
+ DetectAsn1Data *ad = NULL;
+
+ ad = DetectAsn1Parse(str);
+ if (ad != NULL && (ad->flags & ASN1_DOUBLE_OVF)
+ && ad->absolute_offset == 0
+ && (ad->flags & ASN1_ABSOLUTE_OFFSET))
+ {
+ /* Let's say tag num 9 (type Real), and encoded as ASCII, with length
+ * 256, which fit in the buffer, so it should not match */
+ uint8_t str[260];
+ /* universal class, primitive type, tag_num = 9 (Data type Real) */
+ str[0] = '\x09';
+ /* length, definite form, 2 octets */
+ str[1] = '\x82';
+ /* length is the sum of the following octets (256): */
+ str[2] = '\xFE';
+ str[3] = '\x02';
+
+ /* Fill the content of the number */
+ uint16_t i = 4;
+ for (; i < 256;i++)
+ str[i] = '\x05';
+
+ Asn1Ctx *ac = SCAsn1CtxNew();
+ if (ac == NULL)
+ return 0;
+
+ uint16_t len = 260;
+
+ SCAsn1CtxInit(ac, str, len);
+
+ SCAsn1Decode(ac, ac->cur_frame);
+
+ if (ac->cur_frame > 0 || ac->asn1_stack[0]->id.ptr != NULL) {
+ /* We spect at least one node */
+ uint16_t n_iter = 0;
+
+ for (; n_iter <= ac->cur_frame; n_iter++) {
+ Asn1Node *node = ASN1CTX_GET_NODE(ac, n_iter);
+
+ if (node == NULL || node->id.ptr == NULL)
+ continue; /* Should not happen */
+
+ result = DetectAsn1Checks(node, ad);
+ /* Got a match? */
+ if (result == 1)
+ break;
+ }
+ }
+
+ SCAsn1CtxDestroy(ac);
+ DetectAsn1Free(ad);
+
+ }
+
+ if (result == 1) {
+ printf("Error, double_overflow should not match any node: ");
+ result = 0 ;
+ } else {
+ result = 1;
+ }
+
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestReal01 Ensure that all works together
+ */
+int DetectAsn1TestReal01(void)
+{
+ int result = 0;
+ uint8_t *buf = (uint8_t *) "\x60\x81\x85\x61\x10\x1A\x04""John""\x1A\x01"
+ "P""\x1A\x05""Smith""\xA0\x0A\x1A\x08""Director"
+ "\x42\x01\x33\xA1\x0A\x43\x08""19710917"
+ "\xA2\x12\x61\x10\x1A\x04""Mary""\x1A\x01""T""\x1A\x05"
+ "Smith""\xA3\x42\x31\x1F\x61\x11\x1A\x05""Ralph""\x1A\x01"
+ "T""\x1A\x05""Smith""\xA0\x0A\x43\x08""19571111"
+ "\x31\x1F\x61\x11\x1A\x05""Susan""\x1A\x01""B""\x1A\x05"
+ "Jones""\xA0\x0A\x43\x08""19590717"
+ "\x60\x81\x85\x61\x10\x1A\x04""John""\x1A\x01""P"
+ "\x1A\x05""Smith""\xA0\x0A\x1A\x08""Director"
+ "\x42\x01\x33\xA1\x0A\x43\x08""19710917"
+ "\xA2\x12\x61\x10\x1A\x04""Mary""\x1A\x01""T""\x1A\x05"
+ "Smith""\xA3\x42\x31\x1F\x61\x11\x1A\x05""Ralph""\x1A\x01"
+ "T""\x1A\x05""Smith""\xA0\x0A\x43\x08""19571111""\x31\x1F"
+ "\x61\x11\x1A\x05""Pablo""\x1A\x01""B""\x1A\x05""Jones"
+ "\xA0\x0A\x43\x08""19590717";
+
+ uint16_t buflen = strlen((char *)buf) - 1;
+
+ /* Check the start with AA (this is to test the relative_offset keyword) */
+ uint8_t *buf2 = (uint8_t *) "AA\x60\x81\x85\x61\x10\x1A\x04""John""\x1A\x01"
+ "P""\x1A\x05""Smith""\xA0\x0A\x1A\x08""Director"
+ "\x42\x01\x33\xA1\x0A\x43\x08""19710917"
+ "\xA2\x12\x61\x10\x1A\x04""Mary""\x1A\x01""T""\x1A\x05"
+ "Smith""\xA3\x42\x31\x1F\x61\x11\x1A\x05""Ralph""\x1A\x01"
+ "T""\x1A\x05""Smith""\xA0\x0A\x43\x08""19571111"
+ "\x31\x1F\x61\x11\x1A\x05""Susan""\x1A\x01""B""\x1A\x05"
+ "Jones""\xA0\x0A\x43\x08""19590717"
+ "\x60\x81\x85\x61\x10\x1A\x04""John""\x1A\x01""P"
+ "\x1A\x05""Smith""\xA0\x0A\x1A\x08""Director"
+ "\x42\x01\x33\xA1\x0A\x43\x08""19710917"
+ "\xA2\x12\x61\x10\x1A\x04""Mary""\x1A\x01""T""\x1A\x05"
+ "Smith""\xA3\x42\x31\x1F\x61\x11\x1A\x05""Ralph""\x1A\x01"
+ "T""\x1A\x05""Smith""\xA0\x0A\x43\x08""19571111""\x31\x1F"
+ "\x61\x11\x1A\x05""Susan""\x1A\x01""B""\x1A\x05""Jones"
+ "\xA0\x0A\x43\x08""19590717";
+
+ uint16_t buflen2 = strlen((char *)buf2) - 1;
+
+ Packet *p[2];
+
+ p[0] = UTHBuildPacket((uint8_t *)buf, buflen, IPPROTO_TCP);
+ p[1] = UTHBuildPacket((uint8_t *)buf2, buflen2, IPPROTO_TCP);
+
+ if (p[0] == NULL || p[1] == NULL)
+ goto end;
+
+ char *sigs[3];
+ sigs[0]= "alert ip any any -> any any (msg:\"Testing id 1\"; "
+ "content:\"Pablo\"; asn1:absolute_offset 0, "
+ "oversize_length 130; sid:1;)";
+ sigs[1]= "alert ip any any -> any any (msg:\"Testing id 2\"; "
+ "content:\"AA\"; asn1:relative_offset 2, "
+ "oversize_length 130; sid:2;)";
+ sigs[2]= "alert ip any any -> any any (msg:\"Testing id 3\"; "
+ "content:\"lalala\"; asn1: oversize_length 2000; sid:3;)";
+
+ uint32_t sid[3] = {1, 2, 3};
+
+ uint32_t results[2][3] = {
+ /* packet 0 match sid 1 */
+ {1, 0, 0},
+ /* packet 1 match sid 2 */
+ {0, 1, 0}};
+ /* None of the packets should match sid 3 */
+
+ result = UTHGenericTest(p, 2, sigs, sid, (uint32_t *) results, 3);
+
+ UTHFreePackets(p, 2);
+end:
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestReal02 Ensure that all works together
+ */
+int DetectAsn1TestReal02(void)
+{
+ int result = 0;
+ uint8_t *buf = (uint8_t *) "\x60\x81\x85\x61\x10\x1A\x04""John""\x1A\x01"
+ "P""\x1A\x05""Smith""\xA0\x0A\x1A\x08""Director"
+ "\x42\x01\x33\xA1\x0A\x43\x08""19710917"
+ "\xA2\x12\x61\x10\x1A\x04""Mary""\x1A\x01""T""\x1A\x05"
+ "Smith""\xA3\x42\x31\x1F\x61\x11\x1A\x05""Ralph""\x1A\x01"
+ "T""\x1A\x05""Smith""\xA0\x0A\x43\x08""19571111"
+ "\x31\x1F\x61\x11\x1A\x05""Susan""\x1A\x01""B""\x1A\x05"
+ "Jones""\xA0\x0A\x43\x08""19590717"
+ "\x60\x81\x85\x61\x10\x1A\x04""John""\x1A\x01""P"
+ "\x1A\x05""Smith""\xA0\x0A\x1A\x08""Director"
+ "\x42\x01\x33\xA1\x0A\x43\x08""19710917"
+ "\xA2\x12\x61\x10\x1A\x04""Mary""\x1A\x01""T""\x1A\x05"
+ "Smith""\xA3\x42\x31\x1F\x61\x11\x1A\x05""Ralph""\x1A\x01"
+ "T""\x1A\x05""Smith""\xA0\x0A\x43\x08""19571111""\x31\x1F"
+ "\x61\x11\x1A\x05""Pablo""\x1A\x01""B""\x1A\x05""Jones"
+ "\xA0\x0A\x43\x08""19590717";
+
+ uint16_t buflen = strlen((char *)buf) - 1;
+
+ /* Check the start with AA (this is to test the relative_offset keyword) */
+ uint8_t *buf2 = (uint8_t *) "AA\x60\x81\x85\x61\x10\x1A\x04""John""\x1A\x01"
+ "P""\x1A\x05""Smith""\xA0\x0A\x1A\x08""Director"
+ "\x42\x01\x33\xA1\x0A\x43\x08""19710917"
+ "\xA2\x12\x61\x10\x1A\x04""Mary""\x1A\x01""T""\x1A\x05"
+ "Smith""\xA3\x42\x31\x1F\x61\x11\x1A\x05""Ralph""\x1A\x01"
+ "T""\x1A\x05""Smith""\xA0\x0A\x43\x08""19571111"
+ "\x31\x1F\x61\x11\x1A\x05""Susan""\x1A\x01""B""\x1A\x05"
+ "Jones""\xA0\x0A\x43\x08""19590717"
+ "\x60\x81\x85\x61\x10\x1A\x04""John""\x1A\x01""P"
+ "\x1A\x05""Smith""\xA0\x0A\x1A\x08""Director"
+ "\x42\x01\x33\xA1\x0A\x43\x08""19710917"
+ "\xA2\x12\x61\x10\x1A\x04""Mary""\x1A\x01""T""\x1A\x05"
+ "Smith""\xA3\x42\x31\x1F\x61\x11\x1A\x05""Ralph""\x1A\x01"
+ "T""\x1A\x05""Smith""\xA0\x0A\x43\x08""19571111""\x31\x1F"
+ "\x61\x11\x1A\x05""Susan""\x1A\x01""B""\x1A\x05""Jones"
+ "\xA0\x0A\x43\x08""19590717";
+
+ uint16_t buflen2 = strlen((char *)buf2) - 1;
+
+ Packet *p[2];
+
+ p[0] = UTHBuildPacket((uint8_t *)buf, buflen, IPPROTO_TCP);
+ p[1] = UTHBuildPacket((uint8_t *)buf2, buflen2, IPPROTO_TCP);
+
+ if (p[0] == NULL || p[1] == NULL)
+ goto end;
+
+ char *sigs[3];
+ sigs[0]= "alert ip any any -> any any (msg:\"Testing id 1\"; "
+ "content:\"Pablo\"; asn1:absolute_offset 0, "
+ "oversize_length 140; sid:1;)";
+ sigs[1]= "alert ip any any -> any any (msg:\"Testing id 2\"; "
+ "content:\"AA\"; asn1:relative_offset 2, "
+ "oversize_length 140; sid:2;)";
+ sigs[2]= "alert ip any any -> any any (msg:\"Testing id 3\"; "
+ "content:\"lalala\"; asn1: oversize_length 2000; sid:3;)";
+
+ uint32_t sid[3] = {1, 2, 3};
+
+ uint32_t results[2][3] = {
+ {0, 0, 0},
+ {0, 0, 0}};
+ /* None of the packets should match */
+
+ result = UTHGenericTest(p, 2, sigs, sid, (uint32_t *) results, 3);
+
+ UTHFreePackets(p, 2);
+end:
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestReal03 Ensure that all works together
+ */
+int DetectAsn1TestReal03(void)
+{
+ int result = 0;
+ uint8_t buf[261] = "";
+ /* universal class, primitive type, tag_num = 9 (Data type Real) */
+ buf[0] = '\x09';
+ /* length, definite form, 2 octets */
+ buf[1] = '\x82';
+ /* length is the sum of the following octets (257): */
+ buf[2] = '\xFE';
+ buf[3] = '\x03';
+
+ /* Fill the content of the number */
+ uint16_t i = 4;
+ for (; i < 257;i++)
+ buf[i] = '\x05';
+
+ uint16_t buflen = 261;
+
+ /* Check the start with AA (this is to test the relative_offset keyword) */
+ uint8_t *buf2 = (uint8_t *) "AA\x03\x01\xFF";
+
+ uint16_t buflen2 = 5;
+
+ Packet *p[2] = { NULL, NULL };
+
+ p[0] = UTHBuildPacket((uint8_t *)buf, buflen, IPPROTO_TCP);
+ p[1] = UTHBuildPacket((uint8_t *)buf2, buflen2, IPPROTO_TCP);
+
+ if (p[0] == NULL || p[1] == NULL)
+ goto end;
+
+ char *sigs[3];
+ /* This should match the first packet */
+ sigs[0]= "alert ip any any -> any any (msg:\"Testing id 1\"; "
+ "asn1:absolute_offset 0, double_overflow; sid:1;)";
+ /* This should match the second packet */
+ sigs[1]= "alert ip any any -> any any (msg:\"Testing id 2\"; "
+ "asn1:relative_offset 2, bitstring_overflow,"
+ "oversize_length 140; sid:2;)";
+ /* This should match no packet */
+ sigs[2]= "alert ip any any -> any any (msg:\"Testing id 3\"; "
+ "asn1: oversize_length 2000; sid:3;)";
+
+ uint32_t sid[3] = {1, 2, 3};
+
+ uint32_t results[2][3] = {{1, 0, 0},
+ {0, 1, 0}};
+
+ result = UTHGenericTest(p, 2, sigs, sid, (uint32_t *) results, 3);
+
+ UTHFreePackets(p, 2);
+end:
+ return result;
+}
+
+/**
+ * \test DetectAsn1TestReal04 like the real test 02, but modified the
+ * relative offset to check negative offset values, in this case
+ * start decoding from -7 bytes respect the content match "John"
+ */
+int DetectAsn1TestReal04(void)
+{
+ int result = 0;
+ uint8_t *buf = (uint8_t *) "\x60\x81\x85\x61\x10\x1A\x04""John""\x1A\x01"
+ "P""\x1A\x05""Smith""\xA0\x0A\x1A\x08""Director"
+ "\x42\x01\x33\xA1\x0A\x43\x08""19710917"
+ "\xA2\x12\x61\x10\x1A\x04""Mary""\x1A\x01""T""\x1A\x05"
+ "Smith""\xA3\x42\x31\x1F\x61\x11\x1A\x05""Ralph""\x1A\x01"
+ "T""\x1A\x05""Smith""\xA0\x0A\x43\x08""19571111"
+ "\x31\x1F\x61\x11\x1A\x05""Susan""\x1A\x01""B""\x1A\x05"
+ "Jones""\xA0\x0A\x43\x08""19590717"
+ "\x60\x81\x85\x61\x10\x1A\x04""John""\x1A\x01""P"
+ "\x1A\x05""Smith""\xA0\x0A\x1A\x08""Director"
+ "\x42\x01\x33\xA1\x0A\x43\x08""19710917"
+ "\xA2\x12\x61\x10\x1A\x04""Mary""\x1A\x01""T""\x1A\x05"
+ "Smith""\xA3\x42\x31\x1F\x61\x11\x1A\x05""Ralph""\x1A\x01"
+ "T""\x1A\x05""Smith""\xA0\x0A\x43\x08""19571111""\x31\x1F"
+ "\x61\x11\x1A\x05""Pablo""\x1A\x01""B""\x1A\x05""Jones"
+ "\xA0\x0A\x43\x08""19590717";
+
+ uint16_t buflen = strlen((char *)buf) - 1;
+
+ /* Check the start with AA (this is to test the relative_offset keyword) */
+ uint8_t *buf2 = (uint8_t *) "AA\x60\x81\x85\x61\x10\x1A\x04""John""\x1A\x01"
+ "P""\x1A\x05""Smith""\xA0\x0A\x1A\x08""Director"
+ "\x42\x01\x33\xA1\x0A\x43\x08""19710917"
+ "\xA2\x12\x61\x10\x1A\x04""Mary""\x1A\x01""T""\x1A\x05"
+ "Smith""\xA3\x42\x31\x1F\x61\x11\x1A\x05""Ralph""\x1A\x01"
+ "T""\x1A\x05""Smith""\xA0\x0A\x43\x08""19571111"
+ "\x31\x1F\x61\x11\x1A\x05""Susan""\x1A\x01""B""\x1A\x05"
+ "Jones""\xA0\x0A\x43\x08""19590717"
+ "\x60\x81\x85\x61\x10\x1A\x04""John""\x1A\x01""P"
+ "\x1A\x05""Smith""\xA0\x0A\x1A\x08""Director"
+ "\x42\x01\x33\xA1\x0A\x43\x08""19710917"
+ "\xA2\x12\x61\x10\x1A\x04""Mary""\x1A\x01""T""\x1A\x05"
+ "Smith""\xA3\x42\x31\x1F\x61\x11\x1A\x05""Ralph""\x1A\x01"
+ "T""\x1A\x05""Smith""\xA0\x0A\x43\x08""19571111""\x31\x1F"
+ "\x61\x11\x1A\x05""Susan""\x1A\x01""B""\x1A\x05""Jones"
+ "\xA0\x0A\x43\x08""19590717";
+
+ uint16_t buflen2 = strlen((char *)buf2) - 1;
+
+ Packet *p[2];
+
+ p[0] = UTHBuildPacket((uint8_t *)buf, buflen, IPPROTO_TCP);
+ p[1] = UTHBuildPacket((uint8_t *)buf2, buflen2, IPPROTO_TCP);
+
+ if (p[0] == NULL || p[1] == NULL)
+ goto end;
+
+ char *sigs[3];
+ sigs[0]= "alert ip any any -> any any (msg:\"Testing id 1\"; "
+ "content:\"Pablo\"; asn1:absolute_offset 0, "
+ "oversize_length 140; sid:1;)";
+ sigs[1]= "alert ip any any -> any any (msg:\"Testing id 2\"; "
+ "content:\"John\"; asn1:relative_offset -7, "
+ "oversize_length 140; sid:2;)";
+ sigs[2]= "alert ip any any -> any any (msg:\"Testing id 3\"; "
+ "content:\"lalala\"; asn1: oversize_length 2000; sid:3;)";
+
+ uint32_t sid[3] = {1, 2, 3};
+
+ uint32_t results[2][3] = {
+ {0, 0, 0},
+ {0, 0, 0}};
+ /* None of the packets should match */
+
+ result = UTHGenericTest(p, 2, sigs, sid, (uint32_t *) results, 3);
+
+ UTHFreePackets(p, 2);
+end:
+ return result;
+}
+
+#endif /* UNITTESTS */
+
+/**
+ * \brief this function registers unit tests for DetectAsn1
+ */
+void DetectAsn1RegisterTests(void)
+{
+#ifdef UNITTESTS
+ UtRegisterTest("DetectAsn1TestParse01", DetectAsn1TestParse01, 1);
+ UtRegisterTest("DetectAsn1TestParse02", DetectAsn1TestParse02, 1);
+ UtRegisterTest("DetectAsn1TestParse03", DetectAsn1TestParse03, 1);
+
+ UtRegisterTest("DetectAsn1TestParse04", DetectAsn1TestParse04, 1);
+ UtRegisterTest("DetectAsn1TestParse05", DetectAsn1TestParse05, 1);
+ UtRegisterTest("DetectAsn1TestParse06", DetectAsn1TestParse06, 1);
+
+ UtRegisterTest("DetectAsn1TestParse07", DetectAsn1TestParse07, 1);
+ UtRegisterTest("DetectAsn1TestParse08", DetectAsn1TestParse08, 1);
+ UtRegisterTest("DetectAsn1TestParse09", DetectAsn1TestParse09, 1);
+
+ UtRegisterTest("DetectAsn1TestParse10", DetectAsn1TestParse10, 1);
+ UtRegisterTest("DetectAsn1TestParse11", DetectAsn1TestParse11, 1);
+ UtRegisterTest("DetectAsn1TestParse12", DetectAsn1TestParse12, 1);
+ UtRegisterTest("DetectAsn1TestParse13", DetectAsn1TestParse13, 1);
+ UtRegisterTest("DetectAsn1TestParse14", DetectAsn1TestParse14, 1);
+ UtRegisterTest("DetectAsn1TestParse15", DetectAsn1TestParse15, 1);
+ UtRegisterTest("DetectAsn1Test01 - oversize_len", DetectAsn1Test01, 1);
+ UtRegisterTest("DetectAsn1Test02 - oversize_len", DetectAsn1Test02, 1);
+ UtRegisterTest("DetectAsn1Test03 - bitstring_ovf", DetectAsn1Test03, 1);
+ UtRegisterTest("DetectAsn1Test04 - bitstring_ovf", DetectAsn1Test04, 1);
+ UtRegisterTest("DetectAsn1Test05 - double_ovf", DetectAsn1Test05, 1);
+ UtRegisterTest("DetectAsn1Test06 - double_ovf", DetectAsn1Test06, 1);
+ UtRegisterTest("DetectAsn1TestReal01", DetectAsn1TestReal01, 1);
+ UtRegisterTest("DetectAsn1TestReal02", DetectAsn1TestReal02, 1);
+ UtRegisterTest("DetectAsn1TestReal03", DetectAsn1TestReal03, 1);
+ UtRegisterTest("DetectAsn1TestReal04", DetectAsn1TestReal04, 1);
+
+#endif /* UNITTESTS */
+}