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-rw-r--r--framework/src/suricata/src/detect-bytetest.c1580
1 files changed, 0 insertions, 1580 deletions
diff --git a/framework/src/suricata/src/detect-bytetest.c b/framework/src/suricata/src/detect-bytetest.c
deleted file mode 100644
index 365ad55c..00000000
--- a/framework/src/suricata/src/detect-bytetest.c
+++ /dev/null
@@ -1,1580 +0,0 @@
-/* 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 Brian Rectanus <brectanu@gmail.com>
- *
- * Implements byte_test keyword.
- */
-
-#include "suricata-common.h"
-#include "debug.h"
-#include "decode.h"
-#include "detect.h"
-#include "detect-engine.h"
-#include "detect-parse.h"
-
-#include "detect-content.h"
-#include "detect-uricontent.h"
-#include "detect-bytetest.h"
-#include "detect-bytejump.h"
-#include "detect-byte-extract.h"
-#include "app-layer.h"
-
-#include "util-byte.h"
-#include "util-unittest.h"
-#include "util-debug.h"
-#include "detect-pcre.h"
-
-
-/**
- * \brief Regex for parsing our options
- */
-/** \todo We probably just need a simple tokenizer here */
-#define PARSE_REGEX "^\\s*" \
- "([^\\s,]+)" \
- "\\s*,\\s*(\\!?)\\s*([^\\s,]*)" \
- "\\s*,\\s*([^\\s,]+)" \
- "\\s*,\\s*([^\\s,]+)" \
- "(?:\\s*,\\s*([^\\s,]+))?" \
- "(?:\\s*,\\s*([^\\s,]+))?" \
- "(?:\\s*,\\s*([^\\s,]+))?" \
- "(?:\\s*,\\s*([^\\s,]+))?" \
- "(?:\\s*,\\s*([^\\s,]+))?" \
- "\\s*$"
-
-static pcre *parse_regex;
-static pcre_extra *parse_regex_study;
-
-void DetectBytetestRegisterTests(void);
-
-void DetectBytetestRegister (void)
-{
- const char *eb;
- int eo;
- int opts = 0;
-
- sigmatch_table[DETECT_BYTETEST].name = "byte_test";
- sigmatch_table[DETECT_BYTETEST].Match = DetectBytetestMatch;
- sigmatch_table[DETECT_BYTETEST].Setup = DetectBytetestSetup;
- sigmatch_table[DETECT_BYTETEST].Free = DetectBytetestFree;
- sigmatch_table[DETECT_BYTETEST].RegisterTests = DetectBytetestRegisterTests;
-
- sigmatch_table[DETECT_BYTETEST].flags |= SIGMATCH_PAYLOAD;
-
- 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;
- }
- return;
-
-error:
- /* XXX */
- return;
-}
-
-/** \brief Bytetest detection code
- *
- * Byte test works on the packet payload.
- *
- * \param det_ctx thread de ctx
- * \param s signature
- * \param m sigmatch for this bytettest
- * \param payload ptr to the start of the buffer to inspect
- * \param payload_len length of the payload
- * \retval 1 match
- * \retval 0 no match
- */
-int DetectBytetestDoMatch(DetectEngineThreadCtx *det_ctx, Signature *s, const SigMatchCtx *ctx, uint8_t *payload, uint32_t payload_len,
- uint8_t flags, int32_t offset, uint64_t value)
-{
- SCEnter();
-
- const DetectBytetestData *data = (const DetectBytetestData *)ctx;
- uint8_t *ptr = NULL;
- int32_t len = 0;
- uint64_t val = 0;
- int extbytes;
- int neg;
- int match;
-
- if (payload_len == 0) {
- SCReturnInt(0);
- }
-
- /* Calculate the ptr value for the bytetest and length remaining in
- * the packet from that point.
- */
- if (flags & DETECT_BYTETEST_RELATIVE) {
- SCLogDebug("relative, working with det_ctx->buffer_offset %"PRIu32", "
- "data->offset %"PRIi32"", det_ctx->buffer_offset, data->offset);
-
- ptr = payload + det_ctx->buffer_offset;
- len = payload_len - det_ctx->buffer_offset;
-
- ptr += offset;
- len -= offset;
-
- /* No match if there is no relative base */
- if (ptr == NULL || len <= 0) {
- SCReturnInt(0);
- }
- //PrintRawDataFp(stdout,ptr,len);
- }
- else {
- SCLogDebug("absolute, data->offset %"PRIi32"", data->offset);
-
- ptr = payload + offset;
- len = payload_len - offset;
- }
-
- /* Validate that the to-be-extracted is within the packet
- * \todo Should this validate it is in the *payload*?
- */
- if (ptr < payload || data->nbytes > len) {
- SCLogDebug("Data not within payload pkt=%p, ptr=%p, len=%"PRIu32", nbytes=%d",
- payload, ptr, len, data->nbytes);
- SCReturnInt(0);
- }
-
- neg = flags & DETECT_BYTETEST_NEGOP;
-
- /* Extract the byte data */
- if (flags & DETECT_BYTETEST_STRING) {
- extbytes = ByteExtractStringUint64(&val, data->base,
- data->nbytes, (const char *)ptr);
- if (extbytes <= 0) {
- /* strtoull() return 0 if there is no numeric value in data string */
- if (val == 0) {
- SCLogDebug("No Numeric value");
- SCReturnInt(0);
- } else {
- SCLogError(SC_ERR_INVALID_NUM_BYTES, "Error extracting %d "
- "bytes of string data: %d", data->nbytes, extbytes);
- SCReturnInt(-1);
- }
- }
-
- SCLogDebug("comparing base %d string 0x%" PRIx64 " %s%c 0x%" PRIx64 "",
- data->base, val, (neg ? "!" : ""), data->op, data->value);
- }
- else {
- int endianness = (flags & DETECT_BYTETEST_LITTLE) ?
- BYTE_LITTLE_ENDIAN : BYTE_BIG_ENDIAN;
- extbytes = ByteExtractUint64(&val, endianness, data->nbytes, ptr);
- if (extbytes != data->nbytes) {
- SCLogError(SC_ERR_INVALID_NUM_BYTES, "Error extracting %d bytes "
- "of numeric data: %d\n", data->nbytes, extbytes);
- SCReturnInt(-1);
- }
-
- SCLogDebug("comparing numeric 0x%" PRIx64 " %s%c 0x%" PRIx64 "",
- val, (neg ? "!" : ""), data->op, data->value);
- }
-
- /* Compare using the configured operator */
- match = 0;
- switch (data->op) {
- case DETECT_BYTETEST_OP_EQ:
- if (val == value) {
- match = 1;
- }
- break;
- case DETECT_BYTETEST_OP_LT:
- if (val < value) {
- match = 1;
- }
- break;
- case DETECT_BYTETEST_OP_GT:
- if (val > value) {
- match = 1;
- }
- break;
- case DETECT_BYTETEST_OP_AND:
- if (val & value) {
- match = 1;
- }
- break;
- case DETECT_BYTETEST_OP_OR:
- if (val ^ value) {
- match = 1;
- }
- break;
- case DETECT_BYTETEST_OP_GE:
- if (val >= value) {
- match = 1;
- }
- break;
- case DETECT_BYTETEST_OP_LE:
- if (val <= value) {
- match = 1;
- }
- break;
- default:
- /* Should never get here as we handle this in parsing. */
- SCReturnInt(-1);
- }
-
- /* A successful match depends on negation */
- if ((!neg && match) || (neg && !match)) {
- SCLogDebug("MATCH");
- SCReturnInt(1);
- }
-
- SCLogDebug("NO MATCH");
- SCReturnInt(0);
-
-}
-
-int DetectBytetestMatch(ThreadVars *t, DetectEngineThreadCtx *det_ctx,
- Packet *p, Signature *s, const SigMatchCtx *ctx)
-{
- return DetectBytetestDoMatch(det_ctx, s, ctx, p->payload, p->payload_len,
- ((DetectBytetestData *)ctx)->flags, 0, 0);
-}
-
-DetectBytetestData *DetectBytetestParse(char *optstr, char **value, char **offset)
-{
- DetectBytetestData *data = NULL;
- char *args[9] = {
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- NULL
- };
-#define MAX_SUBSTRINGS 30
- int ret = 0, res = 0;
- int ov[MAX_SUBSTRINGS];
- int i;
- uint32_t nbytes;
- const char *str_ptr = NULL;
-
- /* Execute the regex and populate args with captures. */
- ret = pcre_exec(parse_regex, parse_regex_study, optstr,
- strlen(optstr), 0, 0, ov, MAX_SUBSTRINGS);
- if (ret < 6 || ret > 10) {
- SCLogError(SC_ERR_PCRE_PARSE, "parse error, ret %" PRId32
- ", string %s", ret, optstr);
- goto error;
- }
- for (i = 0; i < (ret - 1); i++) {
- res = pcre_get_substring((char *)optstr, ov, MAX_SUBSTRINGS,
- i + 1, &str_ptr);
- if (res < 0) {
- SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed "
- "for arg %d", i + 1);
- goto error;
- }
- args[i] = (char *)str_ptr;
- }
-
- /* Initialize the data */
- data = SCMalloc(sizeof(DetectBytetestData));
- if (unlikely(data == NULL))
- goto error;
- data->base = DETECT_BYTETEST_BASE_UNSET;
- data->flags = 0;
-
-
- /*
- * The first four options are required and positional. The
- * remaining arguments are flags and are not positional.
- */
-
- /* Number of bytes */
- if (ByteExtractStringUint32(&nbytes, 10, 0, args[0]) <= 0) {
- SCLogError(SC_ERR_INVALID_VALUE, "Malformed number of bytes: %s", str_ptr);
- goto error;
- }
-
- /* Operator is next two args: neg + op */
- data->op = 0;
- if (args[1] != NULL && *args[1] == '!') {
- data->flags |= DETECT_BYTETEST_NEGOP;
- }
-
- if (args[2] != NULL) {
- if ((strcmp("=", args[2]) == 0) || ((data->flags & DETECT_BYTETEST_NEGOP)
- && strcmp("", args[2]) == 0)) {
- data->op |= DETECT_BYTETEST_OP_EQ;
- } else if (strcmp("<", args[2]) == 0) {
- data->op |= DETECT_BYTETEST_OP_LT;
- } else if (strcmp(">", args[2]) == 0) {
- data->op |= DETECT_BYTETEST_OP_GT;
- } else if (strcmp("&", args[2]) == 0) {
- data->op |= DETECT_BYTETEST_OP_AND;
- } else if (strcmp("^", args[2]) == 0) {
- data->op |= DETECT_BYTETEST_OP_OR;
- } else if (strcmp(">=", args[2]) == 0) {
- data->op |= DETECT_BYTETEST_OP_GE;
- } else if (strcmp("<=", args[2]) == 0) {
- data->op |= DETECT_BYTETEST_OP_LE;
- } else {
- SCLogError(SC_ERR_INVALID_OPERATOR, "Invalid operator");
- goto error;
- }
- }
-
- /* Value */
- if (args[3][0] != '-' && isalpha((unsigned char)args[3][0])) {
- if (value == NULL) {
- SCLogError(SC_ERR_INVALID_ARGUMENT, "byte_test supplied with "
- "var name for value. \"value\" argument supplied to "
- "this function has to be non-NULL");
- goto error;
- }
- *value = SCStrdup(args[3]);
- if (*value == NULL)
- goto error;
- } else {
- if (ByteExtractStringUint64(&data->value, 0, 0, args[3]) <= 0) {
- SCLogError(SC_ERR_INVALID_VALUE, "Malformed value: %s", str_ptr);
- goto error;
- }
- }
-
- /* Offset */
- if (args[4][0] != '-' && isalpha((unsigned char)args[4][0])) {
- if (offset == NULL) {
- SCLogError(SC_ERR_INVALID_ARGUMENT, "byte_test supplied with "
- "var name for offset. \"offset\" argument supplied to "
- "this function has to be non-NULL");
- goto error;
- }
- *offset = SCStrdup(args[4]);
- if (*offset == NULL)
- goto error;
- } else {
- if (ByteExtractStringInt32(&data->offset, 0, 0, args[4]) <= 0) {
- SCLogError(SC_ERR_INVALID_VALUE, " Malformed offset: %s", str_ptr);
- goto error;
- }
- }
-
- /* The remaining options are flags. */
- /** \todo Error on dups? */
- for (i = 5; i < (ret - 1); i++) {
- if (args[i] != NULL) {
- if (strcmp("relative", args[i]) == 0) {
- data->flags |= DETECT_BYTETEST_RELATIVE;
- } else if (strcasecmp("string", args[i]) == 0) {
- data->flags |= DETECT_BYTETEST_STRING;
- } else if (strcasecmp("dec", args[i]) == 0) {
- data->base |= DETECT_BYTETEST_BASE_DEC;
- } else if (strcasecmp("hex", args[i]) == 0) {
- data->base |= DETECT_BYTETEST_BASE_HEX;
- } else if (strcasecmp("oct", args[i]) == 0) {
- data->base |= DETECT_BYTETEST_BASE_OCT;
- } else if (strcasecmp("big", args[i]) == 0) {
- if (data->flags & DETECT_BYTETEST_LITTLE) {
- data->flags ^= DETECT_BYTETEST_LITTLE;
- }
- data->flags |= DETECT_BYTETEST_BIG;
- } else if (strcasecmp("little", args[i]) == 0) {
- data->flags |= DETECT_BYTETEST_LITTLE;
- } else if (strcasecmp("dce", args[i]) == 0) {
- data->flags |= DETECT_BYTETEST_DCE;
- } else {
- SCLogError(SC_ERR_UNKNOWN_VALUE, "Unknown value: \"%s\"",
- args[i]);
- goto error;
- }
- }
- }
-
- if (data->flags & DETECT_BYTETEST_STRING) {
- /* 23 - This is the largest string (octal, with a zero prefix) that
- * will not overflow uint64_t. The only way this length
- * could be over 23 and still not overflow is if it were zero
- * prefixed and we only support 1 byte of zero prefix for octal.
- *
- * "01777777777777777777777" = 0xffffffffffffffff
- */
- if (nbytes > 23) {
- SCLogError(SC_ERR_INVALID_VALUE, "Cannot test more than 23 bytes with \"string\": %s",
- optstr);
- goto error;
- }
- } else {
- if (nbytes > 8) {
- SCLogError(SC_ERR_INVALID_VALUE, "Cannot test more than 8 bytes without \"string\": %s",
- optstr);
- goto error;
- }
- if (data->base != DETECT_BYTETEST_BASE_UNSET) {
- SCLogError(SC_ERR_INVALID_VALUE, "Cannot use a base without \"string\": %s", optstr);
- goto error;
- }
- }
-
- /* This is max 23 so it will fit in a byte (see above) */
- data->nbytes = (uint8_t)nbytes;
-
- for (i = 0; i < (ret - 1); i++){
- if (args[i] != NULL) SCFree(args[i]);
- }
- return data;
-
-error:
- for (i = 0; i < (ret - 1); i++){
- if (args[i] != NULL) SCFree(args[i]);
- }
- if (data != NULL) DetectBytetestFree(data);
- return NULL;
-}
-
-int DetectBytetestSetup(DetectEngineCtx *de_ctx, Signature *s, char *optstr)
-{
- SigMatch *sm = NULL;
- SigMatch *prev_pm = NULL;
- DetectBytetestData *data = NULL;
- char *value = NULL;
- char *offset = NULL;
- int ret = -1;
-
- data = DetectBytetestParse(optstr, &value, &offset);
- if (data == NULL)
- goto error;
-
- int sm_list;
- if (s->list != DETECT_SM_LIST_NOTSET) {
- if (s->list == DETECT_SM_LIST_FILEDATA) {
- if (data->flags & DETECT_BYTETEST_DCE) {
- SCLogError(SC_ERR_INVALID_SIGNATURE, "dce bytetest specified "
- "with file_data option set.");
- goto error;
- }
- AppLayerHtpEnableResponseBodyCallback();
- }
- sm_list = s->list;
- s->flags |= SIG_FLAG_APPLAYER;
- if (data->flags & DETECT_BYTETEST_RELATIVE) {
- prev_pm = SigMatchGetLastSMFromLists(s, 4,
- DETECT_CONTENT, s->sm_lists_tail[sm_list],
- DETECT_PCRE, s->sm_lists_tail[sm_list]);
- }
-
- } else if (data->flags & DETECT_BYTETEST_DCE) {
- if (data->flags & DETECT_BYTETEST_RELATIVE) {
- prev_pm = SigMatchGetLastSMFromLists(s, 12,
- DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
- DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
- DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
- DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
- DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
- DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_PMATCH]);
- if (prev_pm == NULL) {
- sm_list = DETECT_SM_LIST_PMATCH;
- } else {
- sm_list = SigMatchListSMBelongsTo(s, prev_pm);
- if (sm_list < 0)
- goto error;
- }
- } else {
- sm_list = DETECT_SM_LIST_PMATCH;
- }
-
- s->alproto = ALPROTO_DCERPC;
- s->flags |= SIG_FLAG_APPLAYER;
-
- } else if (data->flags & DETECT_BYTETEST_RELATIVE) {
- prev_pm = SigMatchGetLastSMFromLists(s, 168,
- DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
- DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_UMATCH],
- DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HCBDMATCH],
- DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_FILEDATA],
- DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HHDMATCH],
- DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HRHDMATCH],
- DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HMDMATCH],
- DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HCDMATCH],
- DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH],
- DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HSMDMATCH],
- DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HSCDMATCH],
- DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HUADMATCH],
- DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH],
- DETECT_CONTENT, s->sm_lists_tail[DETECT_SM_LIST_HRHHDMATCH],
-
- DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
- DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_UMATCH],
- DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HCBDMATCH],
- DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_FILEDATA],
- DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HHDMATCH],
- DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HRHDMATCH],
- DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HMDMATCH],
- DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HCDMATCH],
- DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH],
- DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HSMDMATCH],
- DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HSCDMATCH],
- DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HUADMATCH],
- DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH],
- DETECT_PCRE, s->sm_lists_tail[DETECT_SM_LIST_HRHHDMATCH],
-
- DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
- DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_UMATCH],
- DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HCBDMATCH],
- DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_FILEDATA],
- DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HHDMATCH],
- DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HRHDMATCH],
- DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HMDMATCH],
- DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HCDMATCH],
- DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH],
- DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HSMDMATCH],
- DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HSCDMATCH],
- DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HUADMATCH],
- DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH],
- DETECT_BYTETEST, s->sm_lists_tail[DETECT_SM_LIST_HRHHDMATCH],
-
- DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
- DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_UMATCH],
- DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HCBDMATCH],
- DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_FILEDATA],
- DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HHDMATCH],
- DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HRHDMATCH],
- DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HMDMATCH],
- DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HCDMATCH],
- DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH],
- DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HSMDMATCH],
- DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HSCDMATCH],
- DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HUADMATCH],
- DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH],
- DETECT_BYTEJUMP, s->sm_lists_tail[DETECT_SM_LIST_HRHHDMATCH],
-
- DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
- DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_UMATCH],
- DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HCBDMATCH],
- DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_FILEDATA],
- DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HHDMATCH],
- DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HRHDMATCH],
- DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HMDMATCH],
- DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HCDMATCH],
- DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH],
- DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HSMDMATCH],
- DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HSCDMATCH],
- DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HUADMATCH],
- DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH],
- DETECT_BYTE_EXTRACT, s->sm_lists_tail[DETECT_SM_LIST_HRHHDMATCH],
-
- DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_PMATCH],
- DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_UMATCH],
- DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HCBDMATCH],
- DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_FILEDATA],
- DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HHDMATCH],
- DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HRHDMATCH],
- DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HMDMATCH],
- DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HCDMATCH],
- DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HRUDMATCH],
- DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HSMDMATCH],
- DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HSCDMATCH],
- DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HUADMATCH],
- DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HHHDMATCH],
- DETECT_ISDATAAT, s->sm_lists_tail[DETECT_SM_LIST_HRHHDMATCH]);
- if (prev_pm == NULL) {
- sm_list = DETECT_SM_LIST_PMATCH;
- } else {
- sm_list = SigMatchListSMBelongsTo(s, prev_pm);
- if (sm_list < 0)
- goto error;
- }
-
- } else {
- sm_list = DETECT_SM_LIST_PMATCH;
- }
-
- if (data->flags & DETECT_BYTETEST_DCE) {
- if (s->alproto != ALPROTO_UNKNOWN && s->alproto != ALPROTO_DCERPC) {
- SCLogError(SC_ERR_INVALID_SIGNATURE, "Non dce alproto sig has "
- "bytetest with dce enabled");
- goto error;
- }
- if ((data->flags & DETECT_BYTETEST_STRING) ||
- (data->flags & DETECT_BYTETEST_LITTLE) ||
- (data->flags & DETECT_BYTETEST_BIG) ||
- (data->base == DETECT_BYTETEST_BASE_DEC) ||
- (data->base == DETECT_BYTETEST_BASE_HEX) ||
- (data->base == DETECT_BYTETEST_BASE_OCT) ) {
- SCLogError(SC_ERR_CONFLICTING_RULE_KEYWORDS, "Invalid option. "
- "A byte_test keyword with dce holds other invalid modifiers.");
- goto error;
- }
- }
-
- if (value != NULL) {
- SigMatch *bed_sm = DetectByteExtractRetrieveSMVar(value, s);
- if (bed_sm == NULL) {
- SCLogError(SC_ERR_INVALID_SIGNATURE, "Unknown byte_extract var "
- "seen in byte_test - %s\n", value);
- goto error;
- }
- data->value = ((DetectByteExtractData *)bed_sm->ctx)->local_id;
- data->flags |= DETECT_BYTETEST_VALUE_BE;
- SCFree(value);
- }
-
- if (offset != NULL) {
- SigMatch *bed_sm = DetectByteExtractRetrieveSMVar(offset, s);
- if (bed_sm == NULL) {
- SCLogError(SC_ERR_INVALID_SIGNATURE, "Unknown byte_extract var "
- "seen in byte_test - %s\n", offset);
- goto error;
- }
- data->offset = ((DetectByteExtractData *)bed_sm->ctx)->local_id;
- data->flags |= DETECT_BYTETEST_OFFSET_BE;
- SCFree(offset);
- }
-
- sm = SigMatchAlloc();
- if (sm == NULL)
- goto error;
- sm->type = DETECT_BYTETEST;
- sm->ctx = (SigMatchCtx *)data;
- SigMatchAppendSMToList(s, sm, sm_list);
-
- if (!(data->flags & DETECT_BYTETEST_RELATIVE))
- goto okay;
-
- if (prev_pm == NULL)
- goto okay;
- if (prev_pm->type == DETECT_CONTENT) {
- DetectContentData *cd = (DetectContentData *)prev_pm->ctx;
- cd->flags |= DETECT_CONTENT_RELATIVE_NEXT;
- } else if (prev_pm->type == DETECT_PCRE) {
- DetectPcreData *pd = (DetectPcreData *)prev_pm->ctx;
- pd->flags |= DETECT_PCRE_RELATIVE_NEXT;
- }
-
- okay:
- ret = 0;
- return ret;
- error:
- DetectBytetestFree(data);
- return ret;
-}
-
-/**
- * \brief this function will free memory associated with DetectBytetestData
- *
- * \param data pointer to DetectBytetestData
- */
-void DetectBytetestFree(void *ptr)
-{
- if (ptr == NULL)
- return;
-
- DetectBytetestData *data = (DetectBytetestData *)ptr;
- SCFree(data);
-}
-
-
-/* UNITTESTS */
-#ifdef UNITTESTS
-#include "util-unittest-helper.h"
-/**
- * \test DetectBytetestTestParse01 is a test to make sure that we return "something"
- * when given valid bytetest opt
- */
-int DetectBytetestTestParse01(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("4, =, 1 , 0", NULL, NULL);
- if (data != NULL) {
- DetectBytetestFree(data);
- result = 1;
- }
-
- return result;
-}
-
-/**
- * \test DetectBytetestTestParse02 is a test for setting the required opts
- */
-int DetectBytetestTestParse02(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("4, !=, 1, 0", NULL, NULL);
- if (data != NULL) {
- if ( (data->op == DETECT_BYTETEST_OP_EQ)
- && (data->nbytes == 4)
- && (data->value == 1)
- && (data->offset == 0)
- && (data->flags == DETECT_BYTETEST_NEGOP)
- && (data->base == DETECT_BYTETEST_BASE_UNSET))
- {
- result = 1;
- }
- DetectBytetestFree(data);
- }
-
- return result;
-}
-
-/**
- * \test DetectBytetestTestParse03 is a test for setting the relative flag
- */
-int DetectBytetestTestParse03(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("4, !=, 1, 0, relative", NULL, NULL);
- if (data != NULL) {
- if ( (data->op == DETECT_BYTETEST_OP_EQ)
- && (data->nbytes == 4)
- && (data->value == 1)
- && (data->offset == 0)
- && (data->flags == ( DETECT_BYTETEST_NEGOP
- |DETECT_BYTETEST_RELATIVE))
- && (data->base == DETECT_BYTETEST_BASE_UNSET))
- {
- result = 1;
- }
- DetectBytetestFree(data);
- }
-
- return result;
-}
-
-/**
- * \test DetectBytetestTestParse04 is a test for setting the string/oct flags
- */
-int DetectBytetestTestParse04(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("4, !=, 1, 0, string, oct", NULL, NULL);
- if (data != NULL) {
- if ( (data->op == DETECT_BYTETEST_OP_EQ)
- && (data->nbytes == 4)
- && (data->value == 1)
- && (data->offset == 0)
- && (data->flags == ( DETECT_BYTETEST_NEGOP
- |DETECT_BYTETEST_STRING))
- && (data->base == DETECT_BYTETEST_BASE_OCT))
- {
- result = 1;
- }
- DetectBytetestFree(data);
- }
-
- return result;
-}
-
-/**
- * \test DetectBytetestTestParse05 is a test for setting the string/dec flags
- */
-int DetectBytetestTestParse05(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("4, =, 1, 0, string, dec", NULL, NULL);
- if (data != NULL) {
- if ( (data->op == DETECT_BYTETEST_OP_EQ)
- && (data->nbytes == 4)
- && (data->value == 1)
- && (data->offset == 0)
- && (data->flags == DETECT_BYTETEST_STRING)
- && (data->base == DETECT_BYTETEST_BASE_DEC))
- {
- result = 1;
- }
- DetectBytetestFree(data);
- }
-
- return result;
-}
-
-/**
- * \test DetectBytetestTestParse06 is a test for setting the string/hex flags
- */
-int DetectBytetestTestParse06(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("4, >, 1, 0, string, hex", NULL, NULL);
- if (data != NULL) {
- if ( (data->op == DETECT_BYTETEST_OP_GT)
- && (data->nbytes == 4)
- && (data->value == 1)
- && (data->offset == 0)
- && (data->flags == DETECT_BYTETEST_STRING)
- && (data->base == DETECT_BYTETEST_BASE_HEX))
- {
- result = 1;
- }
- DetectBytetestFree(data);
- }
-
- return result;
-}
-
-/**
- * \test DetectBytetestTestParse07 is a test for setting the big flag
- */
-int DetectBytetestTestParse07(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("4, <, 5, 0, big", NULL, NULL);
- if (data != NULL) {
- if ( (data->op == DETECT_BYTETEST_OP_LT)
- && (data->nbytes == 4)
- && (data->value == 5)
- && (data->offset == 0)
- && (data->flags == 4)
- && (data->base == DETECT_BYTETEST_BASE_UNSET))
- {
- result = 1;
- }
- DetectBytetestFree(data);
- }
-
- return result;
-}
-
-/**
- * \test DetectBytetestTestParse08 is a test for setting the little flag
- */
-int DetectBytetestTestParse08(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("4, <, 5, 0, little", NULL, NULL);
- if (data != NULL) {
- if ( (data->op == DETECT_BYTETEST_OP_LT)
- && (data->nbytes == 4)
- && (data->value == 5)
- && (data->offset == 0)
- && (data->flags == DETECT_BYTETEST_LITTLE)
- && (data->base == DETECT_BYTETEST_BASE_UNSET))
- {
- result = 1;
- }
- DetectBytetestFree(data);
- }
-
- return result;
-}
-
-/**
- * \test DetectBytetestTestParse09 is a test for neg operator only
- */
-int DetectBytetestTestParse09(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("4, !, 5, 0", NULL, NULL);
- if (data != NULL) {
- if ( (data->op == DETECT_BYTETEST_OP_EQ)
- && (data->nbytes == 4)
- && (data->value == 5)
- && (data->offset == 0)
- && (data->flags == DETECT_BYTETEST_NEGOP)
- && (data->base == DETECT_BYTETEST_BASE_UNSET))
- {
- result = 1;
- }
- DetectBytetestFree(data);
- }
-
- return result;
-}
-
-/**
- * \test DetectBytetestTestParse10 is a test for whitespace
- */
-int DetectBytetestTestParse10(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse(" 4 , ! &, 5 , 0 , little ", NULL, NULL);
- if (data != NULL) {
- if ( (data->op == DETECT_BYTETEST_OP_AND)
- && (data->nbytes == 4)
- && (data->value == 5)
- && (data->offset == 0)
- && (data->flags == (DETECT_BYTETEST_NEGOP|DETECT_BYTETEST_LITTLE))
- && (data->base == DETECT_BYTETEST_BASE_UNSET))
- {
- result = 1;
- }
- DetectBytetestFree(data);
- }
-
- return result;
-}
-
-/**
- * \test DetectBytetestTestParse11 is a test for whitespace
- */
-int DetectBytetestTestParse11(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("4,!^,5,0,little,string,relative,hex", NULL, NULL);
- if (data != NULL) {
- if ( (data->op == DETECT_BYTETEST_OP_OR)
- && (data->nbytes == 4)
- && (data->value == 5)
- && (data->offset == 0)
- && (data->flags == ( DETECT_BYTETEST_NEGOP
- |DETECT_BYTETEST_LITTLE
- |DETECT_BYTETEST_STRING
- |DETECT_BYTETEST_RELATIVE))
- && (data->base == DETECT_BYTETEST_BASE_HEX))
- {
- result = 1;
- }
- DetectBytetestFree(data);
- }
-
- return result;
-}
-
-/**
- * \test DetectBytetestTestParse12 is a test for hex w/o string
- */
-int DetectBytetestTestParse12(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("4, =, 1, 0, hex", NULL, NULL);
- if (data == NULL) {
- result = 1;
- }
-
- return result;
-}
-
-/**
- * \test DetectBytetestTestParse13 is a test for too many bytes to extract
- */
-int DetectBytetestTestParse13(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("9, =, 1, 0", NULL, NULL);
- if (data == NULL) {
- result = 1;
- }
-
- return result;
-}
-
-/**
- * \test DetectBytetestTestParse14 is a test for large string extraction
- */
-int DetectBytetestTestParse14(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("23,=,0xffffffffffffffffULL,0,string,oct", NULL, NULL);
- if (data != NULL) {
- if ( (data->op == DETECT_BYTETEST_OP_EQ)
- && (data->nbytes == 23)
- && (data->value == 0xffffffffffffffffULL)
- && (data->offset == 0)
- && (data->flags == DETECT_BYTETEST_STRING)
- && (data->base == DETECT_BYTETEST_BASE_OCT))
- {
- result = 1;
- }
- DetectBytetestFree(data);
- }
-
- return result;
-}
-
-/**
- * \test DetectBytetestTestParse15 is a test for too many bytes to extract (string)
- */
-int DetectBytetestTestParse15(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("24, =, 0xffffffffffffffffULL, 0, string", NULL, NULL);
- if (data == NULL) {
- result = 1;
- }
-
- return result;
-}
-
-/**
- * \test DetectBytetestTestParse16 is a test for offset too big
- */
-int DetectBytetestTestParse16(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("4,=,0,0xffffffffffffffffULL", NULL, NULL);
- if (data == NULL) {
- result = 1;
- }
-
- return result;
-}
-
-/**
- * \test Test dce option.
- */
-int DetectBytetestTestParse17(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("4, <, 5, 0, dce", NULL, NULL);
- if (data != NULL) {
- if ( (data->op == DETECT_BYTETEST_OP_LT) &&
- (data->nbytes == 4) &&
- (data->value == 5) &&
- (data->offset == 0) &&
- (data->flags & DETECT_BYTETEST_DCE) ) {
- result = 1;
- }
- DetectBytetestFree(data);
- }
-
- return result;
-}
-
-/**
- * \test Test dce option.
- */
-int DetectBytetestTestParse18(void)
-{
- int result = 0;
- DetectBytetestData *data = NULL;
- data = DetectBytetestParse("4, <, 5, 0", NULL, NULL);
- if (data != NULL) {
- if ( (data->op == DETECT_BYTETEST_OP_LT) &&
- (data->nbytes == 4) &&
- (data->value == 5) &&
- (data->offset == 0) &&
- !(data->flags & DETECT_BYTETEST_DCE) ) {
- result = 1;
- }
- DetectBytetestFree(data);
- }
-
- return result;
-}
-
-/**
- * \test Test dce option.
- */
-int DetectBytetestTestParse19(void)
-{
- Signature *s = SigAlloc();
- if (s == NULL)
- return 0;
-
- int result = 1;
-
- s->alproto = ALPROTO_DCERPC;
-
- result &= (DetectBytetestSetup(NULL, s, "1,=,1,6,dce") == 0);
- result &= (DetectBytetestSetup(NULL, s, "1,=,1,6,string,dce") == -1);
- result &= (DetectBytetestSetup(NULL, s, "1,=,1,6,big,dce") == -1);
- result &= (DetectBytetestSetup(NULL, s, "1,=,1,6,little,dce") == -1);
- result &= (DetectBytetestSetup(NULL, s, "1,=,1,6,hex,dce") == -1);
- result &= (DetectBytetestSetup(NULL, s, "1,=,1,6,oct,dce") == -1);
- result &= (DetectBytetestSetup(NULL, s, "1,=,1,6,dec,dce") == -1);
-
- SigFree(s);
- return result;
-}
-
-/**
- * \test Test dce option.
- */
-int DetectBytetestTestParse20(void)
-{
- DetectEngineCtx *de_ctx = NULL;
- int result = 1;
- Signature *s = NULL;
- DetectBytetestData *bd = NULL;
-
- de_ctx = DetectEngineCtxInit();
- if (de_ctx == NULL)
- goto end;
-
- de_ctx->flags |= DE_QUIET;
- de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing bytetest_body\"; "
- "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
- "dce_stub_data; "
- "content:\"one\"; distance:0; "
- "byte_test:1,=,1,6,relative,dce; sid:1;)");
- if (de_ctx->sig_list == NULL) {
- result = 0;
- goto end;
- }
- s = de_ctx->sig_list;
- if (s->sm_lists_tail[DETECT_SM_LIST_DMATCH] == NULL) {
- result = 0;
- goto end;
- }
- result &= (s->sm_lists_tail[DETECT_SM_LIST_DMATCH]->type == DETECT_BYTETEST);
- bd = (DetectBytetestData *)s->sm_lists_tail[DETECT_SM_LIST_DMATCH]->ctx;
- if (!(bd->flags & DETECT_BYTETEST_DCE) &&
- !(bd->flags & DETECT_BYTETEST_RELATIVE) &&
- (bd->flags & DETECT_BYTETEST_STRING) &&
- (bd->flags & DETECT_BYTETEST_BIG) &&
- (bd->flags & DETECT_BYTETEST_LITTLE) &&
- (bd->flags & DETECT_BYTETEST_NEGOP) ) {
- result = 0;
- goto end;
- }
-
- s->next = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing bytetest_body\"; "
- "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
- "dce_stub_data; "
- "content:\"one\"; distance:0; "
- "byte_test:1,=,1,6,relative,dce; sid:1;)");
- if (s->next == NULL) {
- result = 0;
- goto end;
- }
- s = s->next;
- if (s->sm_lists_tail[DETECT_SM_LIST_DMATCH] == NULL) {
- result = 0;
- goto end;
- }
- result &= (s->sm_lists_tail[DETECT_SM_LIST_DMATCH]->type == DETECT_BYTETEST);
- bd = (DetectBytetestData *)s->sm_lists_tail[DETECT_SM_LIST_DMATCH]->ctx;
- if (!(bd->flags & DETECT_BYTETEST_DCE) &&
- !(bd->flags & DETECT_BYTETEST_RELATIVE) &&
- (bd->flags & DETECT_BYTETEST_STRING) &&
- (bd->flags & DETECT_BYTETEST_BIG) &&
- (bd->flags & DETECT_BYTETEST_LITTLE) &&
- (bd->flags & DETECT_BYTETEST_NEGOP) ) {
- result = 0;
- goto end;
- }
-
- s->next = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing bytetest_body\"; "
- "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
- "dce_stub_data; "
- "content:\"one\"; distance:0; "
- "byte_test:1,=,1,6,relative; sid:1;)");
- if (s->next == NULL) {
- result = 0;
- goto end;
- }
- s = s->next;
- if (s->sm_lists_tail[DETECT_SM_LIST_DMATCH] == NULL) {
- result = 0;
- goto end;
- }
- result &= (s->sm_lists_tail[DETECT_SM_LIST_DMATCH]->type == DETECT_BYTETEST);
- bd = (DetectBytetestData *)s->sm_lists_tail[DETECT_SM_LIST_DMATCH]->ctx;
- if ((bd->flags & DETECT_BYTETEST_DCE) &&
- !(bd->flags & DETECT_BYTETEST_RELATIVE) &&
- (bd->flags & DETECT_BYTETEST_STRING) &&
- (bd->flags & DETECT_BYTETEST_BIG) &&
- (bd->flags & DETECT_BYTETEST_LITTLE) &&
- (bd->flags & DETECT_BYTETEST_NEGOP) ) {
- result = 0;
- goto end;
- }
-
- end:
- SigGroupCleanup(de_ctx);
- SigCleanSignatures(de_ctx);
- DetectEngineCtxFree(de_ctx);
-
- return result;
-}
-
-/**
- * \test Test dce option.
- */
-int DetectBytetestTestParse21(void)
-{
- DetectEngineCtx *de_ctx = NULL;
- int result = 1;
- Signature *s = NULL;
-
- de_ctx = DetectEngineCtxInit();
- if (de_ctx == NULL)
- goto end;
-
- de_ctx->flags |= DE_QUIET;
- s = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing bytetest_body\"; "
- "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
- "content:\"one\"; byte_test:1,=,1,6,string,dce; sid:1;)");
- if (s != NULL) {
- result = 0;
- goto end;
- }
-
- s = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing bytetest_body\"; "
- "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
- "content:\"one\"; byte_test:1,=,1,6,big,dce; sid:1;)");
- if (s != NULL) {
- result = 0;
- goto end;
- }
-
- s = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing bytetest_body\"; "
- "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
- "content:\"one\"; byte_test:1,=,1,6,little,dce; sid:1;)");
- if (s != NULL) {
- result = 0;
- goto end;
- }
-
- s = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing bytetest_body\"; "
- "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
- "content:\"one\"; byte_test:1,=,1,6,hex,dce; sid:1;)");
- if (s != NULL) {
- result = 0;
- goto end;
- }
-
- s = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing bytetest_body\"; "
- "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
- "content:\"one\"; byte_test:1,=,1,6,dec,dce; sid:1;)");
- if (s != NULL) {
- result = 0;
- goto end;
- }
-
- s = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing bytetest_body\"; "
- "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
- "content:\"one\"; byte_test:1,=,1,6,oct,dce; sid:1;)");
- if (s != NULL) {
- result = 0;
- goto end;
- }
-
- s = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing bytetest_body\"; "
- "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
- "content:\"one\"; byte_test:1,=,1,6,string,hex,dce; sid:1;)");
- if (s != NULL) {
- result = 0;
- goto end;
- }
-
- s = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing bytetest_body\"; "
- "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
- "content:\"one\"; byte_test:1,=,1,6,big,string,hex,dce; sid:1;)");
- if (s != NULL) {
- result = 0;
- goto end;
- }
-
- s = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing bytetest_body\"; "
- "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
- "content:\"one\"; byte_test:1,=,1,6,big,string,oct,dce; sid:1;)");
- if (s != NULL) {
- result = 0;
- goto end;
- }
-
- s = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing bytetest_body\"; "
- "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
- "content:\"one\"; byte_test:1,=,1,6,little,string,hex,dce; sid:1;)");
- if (s != NULL) {
- result = 0;
- goto end;
- }
-
- s = SigInit(de_ctx, "alert tcp any any -> any any "
- "(msg:\"Testing bytetest_body\"; "
- "dce_iface:3919286a-b10c-11d0-9ba8-00c04fd92ef5; "
- "content:\"one\"; byte_test:1,=,1,6,big,string,dec,dce; sid:1;)");
- if (s != NULL) {
- result = 0;
- goto end;
- }
-
- end:
- SigGroupCleanup(de_ctx);
- SigCleanSignatures(de_ctx);
- DetectEngineCtxFree(de_ctx);
-
- return result;
-}
-
-/**
- * \test Test file_data
- */
-static int DetectBytetestTestParse22(void)
-{
- DetectEngineCtx *de_ctx = NULL;
- int result = 0;
- Signature *s = NULL;
- DetectBytetestData *bd = NULL;
-
- de_ctx = DetectEngineCtxInit();
- if (de_ctx == NULL)
- goto end;
-
- de_ctx->flags |= DE_QUIET;
- de_ctx->sig_list = SigInit(de_ctx, "alert tcp any any -> any any "
- "(file_data; byte_test:1,=,1,6,relative; sid:1;)");
- if (de_ctx->sig_list == NULL) {
- printf("sig parse failed: ");
- goto end;
- }
-
- s = de_ctx->sig_list;
- if (s->sm_lists_tail[DETECT_SM_LIST_FILEDATA] == NULL) {
- printf("empty server body list: ");
- goto end;
- }
-
- if (s->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->type != DETECT_BYTETEST) {
- printf("bytetest not last sm in server body list: ");
- goto end;
- }
-
- bd = (DetectBytetestData *)s->sm_lists_tail[DETECT_SM_LIST_FILEDATA]->ctx;
- if (bd->flags & DETECT_BYTETEST_DCE &&
- bd->flags & DETECT_BYTETEST_RELATIVE &&
- (bd->flags & DETECT_BYTETEST_STRING) &&
- (bd->flags & DETECT_BYTETEST_BIG) &&
- (bd->flags & DETECT_BYTETEST_LITTLE) &&
- (bd->flags & DETECT_BYTETEST_NEGOP) ) {
- printf("wrong flags: ");
- goto end;
- }
-
- result = 1;
- end:
- SigGroupCleanup(de_ctx);
- SigCleanSignatures(de_ctx);
- DetectEngineCtxFree(de_ctx);
-
- return result;
-}
-
-/**
- * \test DetectByteTestTestPacket01 is a test to check matches of
- * byte_test and byte_test relative works if the previous keyword is pcre
- * (bug 142)
- */
-int DetectByteTestTestPacket01 (void)
-{
- int result = 0;
- uint8_t *buf = (uint8_t *)"GET /AllWorkAndNoPlayMakesWillADullBoy HTTP/1.0"
- "User-Agent: Wget/1.11.4"
- "Accept: */*"
- "Host: www.google.com"
- "Connection: Keep-Alive"
- "Date: Mon, 04 Jan 2010 17:29:39 GMT";
- uint16_t buflen = strlen((char *)buf);
- Packet *p;
- p = UTHBuildPacket((uint8_t *)buf, buflen, IPPROTO_TCP);
-
- if (p == NULL)
- goto end;
-
- char sig[] = "alert tcp any any -> any any (msg:\"pcre + byte_test + "
- "relative\"; pcre:\"/AllWorkAndNoPlayMakesWillADullBoy/\"; byte_test:1,=,1"
- ",6,relative,string,dec; sid:126; rev:1;)";
-
- result = UTHPacketMatchSig(p, sig);
-
- UTHFreePacket(p);
-end:
- return result;
-}
-
-/**
- * \test DetectByteTestTestPacket02 is a test to check matches of
- * byte_test and byte_test relative works if the previous keyword is byte_jump
- * (bug 158)
- */
-int DetectByteTestTestPacket02 (void)
-{
- int result = 0;
- uint8_t *buf = (uint8_t *)"GET /AllWorkAndNoPlayMakesWillADullBoy HTTP/1.0"
- "User-Agent: Wget/1.11.4"
- "Accept: */*"
- "Host: www.google.com"
- "Connection: Keep-Alive"
- "Date: Mon, 04 Jan 2010 17:29:39 GMT";
- uint16_t buflen = strlen((char *)buf);
- Packet *p;
- p = UTHBuildPacket((uint8_t *)buf, buflen, IPPROTO_TCP);
-
- if (p == NULL)
- goto end;
-
- char sig[] = "alert tcp any any -> any any (msg:\"content + byte_test + "
- "relative\"; byte_jump:1,44,string,dec; byte_test:1,=,0,0,relative,string,"
- "dec; sid:777; rev:1;)";
-
- result = UTHPacketMatchSig(p, sig);
-
- UTHFreePacket(p);
-end:
- return result;
-}
-
-int DetectByteTestTestPacket03(void)
-{
- int result = 0;
- uint8_t *buf = NULL;
- uint16_t buflen = 0;
- buf = SCMalloc(4);
- if (unlikely(buf == NULL)) {
- printf("malloc failed\n");
- exit(EXIT_FAILURE);
- }
- memcpy(buf, "boom", 4);
- buflen = 4;
-
- Packet *p;
- p = UTHBuildPacket((uint8_t *)buf, buflen, IPPROTO_TCP);
-
- if (p == NULL)
- goto end;
-
- char sig[] = "alert tcp any any -> any any (msg:\"content + byte_test\"; "
- "byte_test:1,=,65,214748364; sid:1; rev:1;)";
-
- result = !UTHPacketMatchSig(p, sig);
-
- UTHFreePacket(p);
-
-end:
- return result;
-}
-
-/** \test Test the byte_test signature matching with operator <= */
-int DetectByteTestTestPacket04(void)
-{
- int result = 0;
- uint8_t *buf = (uint8_t *)"GET /AllWorkAndNoPlayMakesWillADullBoy HTTP/1.0"
- "User-Agent: Wget/1.11.4"
- "Accept: */*"
- "Host: www.google.com"
- "Connection: Keep-Alive"
- "Date: Mon, 04 Jan 2010 17:29:39 GMT";
- uint16_t buflen = strlen((char *)buf);
-
- Packet *p;
- p = UTHBuildPacket((uint8_t *)buf, buflen, IPPROTO_TCP);
-
- if (p == NULL)
- goto end;
-
- char sig[] = "alert tcp any any -> any any (msg:\"content + byte_test +"
- "relative\"; content:\"GET \"; depth:4; content:\"HTTP/1.\"; "
- "byte_test:1,<=,0,0,relative,string,dec; sid:124; rev:1;)";
-
- result = UTHPacketMatchSig(p, sig);
-
- UTHFreePacket(p);
-
-end:
- return result;
-}
-
-/** \test Test the byte_test signature matching with operator >= */
-int DetectByteTestTestPacket05(void)
-{
- int result = 0;
- uint8_t *buf = (uint8_t *)"GET /AllWorkAndNoPlayMakesWillADullBoy HTTP/1.0"
- "User-Agent: Wget/1.11.4"
- "Accept: */*"
- "Host: www.google.com"
- "Connection: Keep-Alive"
- "Date: Mon, 04 Jan 2010 17:29:39 GMT";
- uint16_t buflen = strlen((char *)buf);
-
- Packet *p;
- p = UTHBuildPacket((uint8_t *)buf, buflen, IPPROTO_TCP);
-
- if (p == NULL)
- goto end;
-
- char sig[] = "alert tcp any any -> any any (msg:\"content + byte_test +"
- "relative\"; content:\"GET \"; depth:4; content:\"HTTP/1.\"; "
- "byte_test:1,>=,0,0,relative,string,dec; sid:125; rev:1;)";
-
- result = UTHPacketMatchSig(p, sig);
-
- UTHFreePacket(p);
-
-end:
- return result;
-}
-
-#endif /* UNITTESTS */
-
-
-/**
- * \brief this function registers unit tests for DetectBytetest
- */
-void DetectBytetestRegisterTests(void)
-{
-#ifdef UNITTESTS
- UtRegisterTest("DetectBytetestTestParse01", DetectBytetestTestParse01, 1);
- UtRegisterTest("DetectBytetestTestParse02", DetectBytetestTestParse02, 1);
- UtRegisterTest("DetectBytetestTestParse03", DetectBytetestTestParse03, 1);
- UtRegisterTest("DetectBytetestTestParse04", DetectBytetestTestParse04, 1);
- UtRegisterTest("DetectBytetestTestParse05", DetectBytetestTestParse05, 1);
- UtRegisterTest("DetectBytetestTestParse06", DetectBytetestTestParse06, 1);
- UtRegisterTest("DetectBytetestTestParse07", DetectBytetestTestParse07, 1);
- UtRegisterTest("DetectBytetestTestParse08", DetectBytetestTestParse08, 1);
- UtRegisterTest("DetectBytetestTestParse09", DetectBytetestTestParse09, 1);
- UtRegisterTest("DetectBytetestTestParse10", DetectBytetestTestParse10, 1);
- UtRegisterTest("DetectBytetestTestParse11", DetectBytetestTestParse11, 1);
- UtRegisterTest("DetectBytetestTestParse12", DetectBytetestTestParse12, 1);
- UtRegisterTest("DetectBytetestTestParse13", DetectBytetestTestParse13, 1);
- UtRegisterTest("DetectBytetestTestParse14", DetectBytetestTestParse14, 1);
- UtRegisterTest("DetectBytetestTestParse15", DetectBytetestTestParse15, 1);
- UtRegisterTest("DetectBytetestTestParse17", DetectBytetestTestParse17, 1);
- UtRegisterTest("DetectBytetestTestParse18", DetectBytetestTestParse18, 1);
- UtRegisterTest("DetectBytetestTestParse19", DetectBytetestTestParse19, 1);
- UtRegisterTest("DetectBytetestTestParse20", DetectBytetestTestParse20, 1);
- UtRegisterTest("DetectBytetestTestParse21", DetectBytetestTestParse21, 1);
- UtRegisterTest("DetectBytetestTestParse22", DetectBytetestTestParse22, 1);
-
- UtRegisterTest("DetectByteTestTestPacket01", DetectByteTestTestPacket01, 1);
- UtRegisterTest("DetectByteTestTestPacket02", DetectByteTestTestPacket02, 1);
- UtRegisterTest("DetectByteTestTestPacket03", DetectByteTestTestPacket03, 1);
- UtRegisterTest("DetectByteTestTestPacket04", DetectByteTestTestPacket04, 1);
- UtRegisterTest("DetectByteTestTestPacket05", DetectByteTestTestPacket05, 1);
-#endif /* UNITTESTS */
-}
-