mirror of https://github.com/OISF/suricata
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
866 lines
31 KiB
C
866 lines
31 KiB
C
/* Copyright (C) 2007-2010 Open Information Security Foundation
|
|
*
|
|
* You can copy, redistribute or modify this Program under the terms of
|
|
* the GNU General Public License version 2 as published by the Free
|
|
* Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* version 2 along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
* 02110-1301, USA.
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
*
|
|
* \author Anoop Saldanha <anoopsaldanha@gmail.com>
|
|
*
|
|
* Implements support for ssl_state keyword.
|
|
*/
|
|
|
|
#include "suricata-common.h"
|
|
#include "threads.h"
|
|
#include "debug.h"
|
|
#include "decode.h"
|
|
|
|
#include "detect.h"
|
|
#include "detect-parse.h"
|
|
|
|
#include "detect-engine.h"
|
|
#include "detect-engine-mpm.h"
|
|
#include "detect-engine-state.h"
|
|
|
|
#include "flow.h"
|
|
#include "flow-var.h"
|
|
#include "flow-util.h"
|
|
|
|
#include "util-debug.h"
|
|
#include "util-unittest.h"
|
|
#include "util-unittest-helper.h"
|
|
|
|
#include "app-layer.h"
|
|
#include "app-layer-parser.h"
|
|
|
|
#include "detect-ssl-state.h"
|
|
|
|
#include "stream-tcp.h"
|
|
#include "app-layer-ssl.h"
|
|
|
|
#define PARSE_REGEX1 "^\\s*(!?)([_a-zA-Z0-9]+)(.*)$"
|
|
static pcre *parse_regex1;
|
|
static pcre_extra *parse_regex1_study;
|
|
|
|
#define PARSE_REGEX2 "^(?:\\s*[|,]\\s*(!?)([_a-zA-Z0-9]+))(.*)$"
|
|
static pcre *parse_regex2;
|
|
static pcre_extra *parse_regex2_study;
|
|
|
|
int DetectSslStateMatch(ThreadVars *, DetectEngineThreadCtx *, Flow *,
|
|
uint8_t, void *, Signature *, SigMatch *);
|
|
int DetectSslStateSetup(DetectEngineCtx *, Signature *, char *);
|
|
void DetectSslStateRegisterTests(void);
|
|
void DetectSslStateFree(void *);
|
|
|
|
/**
|
|
* \brief Registers the keyword handlers for the "ssl_state" keyword.
|
|
*/
|
|
void DetectSslStateRegister(void)
|
|
{
|
|
sigmatch_table[DETECT_AL_SSL_STATE].name = "ssl_state";
|
|
sigmatch_table[DETECT_AL_SSL_STATE].Match = NULL;
|
|
sigmatch_table[DETECT_AL_SSL_STATE].AppLayerMatch = DetectSslStateMatch;
|
|
sigmatch_table[DETECT_AL_SSL_STATE].Setup = DetectSslStateSetup;
|
|
sigmatch_table[DETECT_AL_SSL_STATE].Free = DetectSslStateFree;
|
|
sigmatch_table[DETECT_AL_SSL_STATE].RegisterTests = DetectSslStateRegisterTests;
|
|
|
|
DetectSetupParseRegexes(PARSE_REGEX1, &parse_regex1, &parse_regex1_study);
|
|
DetectSetupParseRegexes(PARSE_REGEX2, &parse_regex2, &parse_regex2_study);
|
|
}
|
|
|
|
/**
|
|
* \brief App layer match function ssl_state keyword.
|
|
*
|
|
* \param tv Pointer to threadvars.
|
|
* \param det_ctx Pointer to the thread's detection context.
|
|
* \param f Pointer to the flow.
|
|
* \param flags Flags.
|
|
* \param state App layer state.
|
|
* \param s Sig we are currently inspecting.
|
|
* \param m SigMatch we are currently inspecting.
|
|
*
|
|
* \retval 1 Match.
|
|
* \retval 0 No match.
|
|
*/
|
|
int DetectSslStateMatch(ThreadVars *t, DetectEngineThreadCtx *det_ctx,
|
|
Flow *f, uint8_t flags, void *alstate, Signature *s,
|
|
SigMatch *m)
|
|
{
|
|
DetectSslStateData *ssd = (DetectSslStateData *)m->ctx;
|
|
SSLState *ssl_state = (SSLState *)alstate;
|
|
if (ssl_state == NULL) {
|
|
SCLogDebug("no app state, no match");
|
|
return 0;
|
|
}
|
|
|
|
uint32_t ssl_flags = ssl_state->current_flags;
|
|
|
|
if ((ssd->flags & ssl_flags) ^ ssd->mask) {
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* \brief Parse the arg supplied with ssl_state and return it in a
|
|
* DetectSslStateData instance.
|
|
*
|
|
* \param arg Pointer to the string to be parsed.
|
|
*
|
|
* \retval ssd Pointer to DetectSslStateData on succese.
|
|
* \retval NULL On failure.
|
|
*/
|
|
DetectSslStateData *DetectSslStateParse(char *arg)
|
|
{
|
|
#define MAX_SUBSTRINGS 30
|
|
int ret = 0, res = 0;
|
|
int ov1[MAX_SUBSTRINGS];
|
|
int ov2[MAX_SUBSTRINGS];
|
|
const char *str1;
|
|
const char *str2;
|
|
int negate = 0;
|
|
uint32_t flags = 0, mask = 0;
|
|
DetectSslStateData *ssd = NULL;
|
|
|
|
ret = pcre_exec(parse_regex1, parse_regex1_study, arg, strlen(arg), 0, 0,
|
|
ov1, MAX_SUBSTRINGS);
|
|
if (ret < 1) {
|
|
SCLogError(SC_ERR_INVALID_SIGNATURE, "Invalid arg \"%s\" supplied to "
|
|
"ssl_state keyword.", arg);
|
|
goto error;
|
|
}
|
|
|
|
res = pcre_get_substring((char *)arg, ov1, MAX_SUBSTRINGS, 1, &str1);
|
|
if (res < 0) {
|
|
SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
|
|
goto error;
|
|
}
|
|
negate = !strcmp("!", str1);
|
|
pcre_free_substring(str1);
|
|
|
|
res = pcre_get_substring((char *)arg, ov1, MAX_SUBSTRINGS, 2, &str1);
|
|
if (res < 0) {
|
|
SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
|
|
goto error;
|
|
}
|
|
|
|
if (strcmp("client_hello", str1) == 0) {
|
|
flags |= DETECT_SSL_STATE_CLIENT_HELLO;
|
|
if (negate)
|
|
mask |= DETECT_SSL_STATE_CLIENT_HELLO;
|
|
} else if (strcmp("server_hello", str1) == 0) {
|
|
flags |= DETECT_SSL_STATE_SERVER_HELLO;
|
|
if (negate)
|
|
mask |= DETECT_SSL_STATE_SERVER_HELLO;
|
|
} else if (strcmp("client_keyx", str1) == 0) {
|
|
flags |= DETECT_SSL_STATE_CLIENT_KEYX;
|
|
if (negate)
|
|
mask |= DETECT_SSL_STATE_CLIENT_KEYX;
|
|
} else if (strcmp("server_keyx", str1) == 0) {
|
|
flags |= DETECT_SSL_STATE_SERVER_KEYX;
|
|
if (negate)
|
|
mask |= DETECT_SSL_STATE_SERVER_KEYX;
|
|
} else if (strcmp("unknown", str1) == 0) {
|
|
flags |= DETECT_SSL_STATE_UNKNOWN;
|
|
if (negate)
|
|
mask |= DETECT_SSL_STATE_UNKNOWN;
|
|
} else {
|
|
SCLogError(SC_ERR_INVALID_SIGNATURE, "Found invalid option \"%s\" "
|
|
"in ssl_state keyword.", str1);
|
|
goto error;
|
|
}
|
|
|
|
pcre_free_substring(str1);
|
|
|
|
res = pcre_get_substring((char *)arg, ov1, MAX_SUBSTRINGS, 3, &str1);
|
|
if (res < 0) {
|
|
SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
|
|
goto error;
|
|
}
|
|
while (res > 0) {
|
|
ret = pcre_exec(parse_regex2, parse_regex2_study, str1, strlen(str1), 0, 0,
|
|
ov2, MAX_SUBSTRINGS);
|
|
if (ret < 1) {
|
|
SCLogError(SC_ERR_INVALID_SIGNATURE, "Invalid arg \"%s\" supplied to "
|
|
"ssl_state keyword.", arg);
|
|
goto error;
|
|
}
|
|
|
|
res = pcre_get_substring((char *)str1, ov2, MAX_SUBSTRINGS, 1, &str2);
|
|
if (res < 0) {
|
|
SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
|
|
goto error;
|
|
}
|
|
negate = !strcmp("!", str2);
|
|
pcre_free_substring(str2);
|
|
|
|
res = pcre_get_substring((char *)str1, ov2, MAX_SUBSTRINGS, 2, &str2);
|
|
if (res <= 0) {
|
|
SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
|
|
goto error;
|
|
}
|
|
if (strcmp("client_hello", str2) == 0) {
|
|
flags |= DETECT_SSL_STATE_CLIENT_HELLO;
|
|
if (negate)
|
|
mask |= DETECT_SSL_STATE_CLIENT_HELLO;
|
|
} else if (strcmp("server_hello", str2) == 0) {
|
|
flags |= DETECT_SSL_STATE_SERVER_HELLO;
|
|
if (negate)
|
|
mask |= DETECT_SSL_STATE_SERVER_HELLO;
|
|
} else if (strcmp("client_keyx", str2) == 0) {
|
|
flags |= DETECT_SSL_STATE_CLIENT_KEYX;
|
|
if (negate)
|
|
mask |= DETECT_SSL_STATE_CLIENT_KEYX;
|
|
} else if (strcmp("server_keyx", str2) == 0) {
|
|
flags |= DETECT_SSL_STATE_SERVER_KEYX;
|
|
if (negate)
|
|
mask |= DETECT_SSL_STATE_SERVER_KEYX;
|
|
} else if (strcmp("unknown", str2) == 0) {
|
|
flags |= DETECT_SSL_STATE_UNKNOWN;
|
|
if (negate)
|
|
mask |= DETECT_SSL_STATE_UNKNOWN;
|
|
} else {
|
|
SCLogError(SC_ERR_INVALID_SIGNATURE, "Found invalid option \"%s\" "
|
|
"in ssl_state keyword.", str2);
|
|
goto error;
|
|
}
|
|
|
|
res = pcre_get_substring((char *)str1, ov2, MAX_SUBSTRINGS, 3, &str2);
|
|
if (res < 0) {
|
|
SCLogError(SC_ERR_PCRE_GET_SUBSTRING, "pcre_get_substring failed");
|
|
goto error;
|
|
}
|
|
|
|
pcre_free_substring(str1);
|
|
str1 = str2;
|
|
}
|
|
pcre_free_substring(str1);
|
|
|
|
if ( (ssd = SCMalloc(sizeof(DetectSslStateData))) == NULL) {
|
|
goto error;
|
|
}
|
|
ssd->flags = flags;
|
|
ssd->mask = mask;
|
|
|
|
return ssd;
|
|
|
|
error:
|
|
if (ssd != NULL)
|
|
DetectSslStateFree(ssd);
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* \internal
|
|
* \brief Setup function for ssl_state keyword.
|
|
*
|
|
* \param de_ctx Pointer to the Detection Engine Context.
|
|
* \param s Pointer to the Current Signature
|
|
* \param arg String holding the arg.
|
|
*
|
|
* \retval 0 On success.
|
|
* \retval -1 On failure.
|
|
*/
|
|
int DetectSslStateSetup(DetectEngineCtx *de_ctx, Signature *s, char *arg)
|
|
{
|
|
DetectSslStateData *ssd = NULL;
|
|
SigMatch *sm = NULL;
|
|
|
|
ssd = DetectSslStateParse(arg);
|
|
if (ssd == NULL)
|
|
goto error;
|
|
|
|
sm = SigMatchAlloc();
|
|
if (sm == NULL)
|
|
goto error;
|
|
|
|
sm->type = DETECT_AL_SSL_STATE;
|
|
sm->ctx = (SigMatchCtx*)ssd;
|
|
|
|
if (s->alproto != ALPROTO_UNKNOWN && s->alproto != ALPROTO_TLS) {
|
|
SCLogError(SC_ERR_CONFLICTING_RULE_KEYWORDS,
|
|
"Rule contains conflicting keywords. Have non-tls alproto "
|
|
"set for a rule containing \"ssl_state\" keyword");
|
|
goto error;
|
|
}
|
|
s->alproto = ALPROTO_TLS;
|
|
|
|
SigMatchAppendSMToList(s, sm, DETECT_SM_LIST_AMATCH);
|
|
|
|
return 0;
|
|
|
|
error:
|
|
if (ssd != NULL)
|
|
DetectSslStateFree(ssd);
|
|
if (sm != NULL)
|
|
SCFree(sm);
|
|
return -1;
|
|
}
|
|
|
|
/**
|
|
* \brief Free memory associated with DetectSslStateData.
|
|
*
|
|
* \param ptr pointer to the data to be freed.
|
|
*/
|
|
void DetectSslStateFree(void *ptr)
|
|
{
|
|
if (ptr != NULL)
|
|
SCFree(ptr);
|
|
|
|
return;
|
|
}
|
|
|
|
/************************************Unittests*********************************/
|
|
|
|
#ifdef UNITTESTS
|
|
|
|
int DetectSslStateTest01(void)
|
|
{
|
|
DetectSslStateData *ssd = DetectSslStateParse("client_hello");
|
|
FAIL_IF_NULL(ssd);
|
|
FAIL_IF_NOT(ssd->flags == DETECT_SSL_STATE_CLIENT_HELLO);
|
|
SCFree(ssd);
|
|
PASS;
|
|
}
|
|
|
|
int DetectSslStateTest02(void)
|
|
{
|
|
DetectSslStateData *ssd = DetectSslStateParse("server_hello , client_hello");
|
|
FAIL_IF_NULL(ssd);
|
|
FAIL_IF_NOT(ssd->flags == (DETECT_SSL_STATE_SERVER_HELLO |
|
|
DETECT_SSL_STATE_CLIENT_HELLO));
|
|
SCFree(ssd);
|
|
PASS;
|
|
}
|
|
|
|
int DetectSslStateTest03(void)
|
|
{
|
|
DetectSslStateData *ssd = DetectSslStateParse("server_hello , client_keyx , "
|
|
"client_hello");
|
|
FAIL_IF_NULL(ssd);
|
|
FAIL_IF_NOT(ssd->flags == (DETECT_SSL_STATE_SERVER_HELLO |
|
|
DETECT_SSL_STATE_CLIENT_KEYX |
|
|
DETECT_SSL_STATE_CLIENT_HELLO));
|
|
SCFree(ssd);
|
|
PASS;
|
|
}
|
|
|
|
int DetectSslStateTest04(void)
|
|
{
|
|
DetectSslStateData *ssd = DetectSslStateParse("server_hello , client_keyx , "
|
|
"client_hello , server_keyx , "
|
|
"unknown");
|
|
FAIL_IF_NULL(ssd);
|
|
FAIL_IF_NOT(ssd->flags == (DETECT_SSL_STATE_SERVER_HELLO |
|
|
DETECT_SSL_STATE_CLIENT_KEYX |
|
|
DETECT_SSL_STATE_CLIENT_HELLO |
|
|
DETECT_SSL_STATE_SERVER_KEYX |
|
|
DETECT_SSL_STATE_UNKNOWN));
|
|
SCFree(ssd);
|
|
PASS;
|
|
}
|
|
|
|
int DetectSslStateTest05(void)
|
|
{
|
|
DetectSslStateData *ssd = DetectSslStateParse(", server_hello , client_keyx , "
|
|
"client_hello , server_keyx , "
|
|
"unknown");
|
|
|
|
FAIL_IF_NOT_NULL(ssd);
|
|
PASS;
|
|
}
|
|
|
|
int DetectSslStateTest06(void)
|
|
{
|
|
DetectSslStateData *ssd = DetectSslStateParse("server_hello , client_keyx , "
|
|
"client_hello , server_keyx , "
|
|
"unknown , ");
|
|
FAIL_IF_NOT_NULL(ssd);
|
|
PASS;
|
|
}
|
|
|
|
/**
|
|
* \test Test a valid dce_iface entry for a bind and bind_ack
|
|
*/
|
|
static int DetectSslStateTest07(void)
|
|
{
|
|
uint8_t chello_buf[] = {
|
|
0x80, 0x67, 0x01, 0x03, 0x00, 0x00, 0x4e, 0x00,
|
|
0x00, 0x00, 0x10, 0x01, 0x00, 0x80, 0x03, 0x00,
|
|
0x80, 0x07, 0x00, 0xc0, 0x06, 0x00, 0x40, 0x02,
|
|
0x00, 0x80, 0x04, 0x00, 0x80, 0x00, 0x00, 0x39,
|
|
0x00, 0x00, 0x38, 0x00, 0x00, 0x35, 0x00, 0x00,
|
|
0x33, 0x00, 0x00, 0x32, 0x00, 0x00, 0x04, 0x00,
|
|
0x00, 0x05, 0x00, 0x00, 0x2f, 0x00, 0x00, 0x16,
|
|
0x00, 0x00, 0x13, 0x00, 0xfe, 0xff, 0x00, 0x00,
|
|
0x0a, 0x00, 0x00, 0x15, 0x00, 0x00, 0x12, 0x00,
|
|
0xfe, 0xfe, 0x00, 0x00, 0x09, 0x00, 0x00, 0x64,
|
|
0x00, 0x00, 0x62, 0x00, 0x00, 0x03, 0x00, 0x00,
|
|
0x06, 0xa8, 0xb8, 0x93, 0xbb, 0x90, 0xe9, 0x2a,
|
|
0xa2, 0x4d, 0x6d, 0xcc, 0x1c, 0xe7, 0x2a, 0x80,
|
|
0x21
|
|
};
|
|
uint32_t chello_buf_len = sizeof(chello_buf);
|
|
|
|
uint8_t shello_buf[] = {
|
|
0x16, 0x03, 0x00, 0x00, 0x4a, 0x02,
|
|
0x00, 0x00, 0x46, 0x03, 0x00, 0x44, 0x4c, 0x94,
|
|
0x8f, 0xfe, 0x81, 0xed, 0x93, 0x65, 0x02, 0x88,
|
|
0xa3, 0xf8, 0xeb, 0x63, 0x86, 0x0e, 0x2c, 0xf6,
|
|
0x8d, 0xd0, 0x0f, 0x2c, 0x2a, 0xd6, 0x4f, 0xcd,
|
|
0x2d, 0x3c, 0x16, 0xd7, 0xd6, 0x20, 0xa0, 0xfb,
|
|
0x60, 0x86, 0x3d, 0x1e, 0x76, 0xf3, 0x30, 0xfe,
|
|
0x0b, 0x01, 0xfd, 0x1a, 0x01, 0xed, 0x95, 0xf6,
|
|
0x7b, 0x8e, 0xc0, 0xd4, 0x27, 0xbf, 0xf0, 0x6e,
|
|
0xc7, 0x56, 0xb1, 0x47, 0xce, 0x98, 0x00, 0x35,
|
|
0x00, 0x16, 0x03, 0x00, 0x03, 0x44, 0x0b, 0x00,
|
|
0x03, 0x40, 0x00, 0x03, 0x3d, 0x00, 0x03, 0x3a,
|
|
0x30, 0x82, 0x03, 0x36, 0x30, 0x82, 0x02, 0x9f,
|
|
0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x01, 0x01,
|
|
0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
|
|
0xf7, 0x0d, 0x01, 0x01, 0x04, 0x05, 0x00, 0x30,
|
|
0x81, 0xa9, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
|
|
0x55, 0x04, 0x06, 0x13, 0x02, 0x58, 0x59, 0x31,
|
|
0x15, 0x30, 0x13, 0x06, 0x03, 0x55, 0x04, 0x08,
|
|
0x13, 0x0c, 0x53, 0x6e, 0x61, 0x6b, 0x65, 0x20,
|
|
0x44, 0x65, 0x73, 0x65, 0x72, 0x74, 0x31, 0x13,
|
|
0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x07, 0x13,
|
|
0x0a, 0x53, 0x6e, 0x61, 0x6b, 0x65, 0x20, 0x54,
|
|
0x6f, 0x77, 0x6e, 0x31, 0x17, 0x30, 0x15, 0x06,
|
|
0x03, 0x55, 0x04, 0x0a, 0x13, 0x0e, 0x53, 0x6e,
|
|
0x61, 0x6b, 0x65, 0x20, 0x4f, 0x69, 0x6c, 0x2c,
|
|
0x20, 0x4c, 0x74, 0x64, 0x31, 0x1e, 0x30, 0x1c,
|
|
0x06, 0x03, 0x55, 0x04, 0x0b, 0x13, 0x15, 0x43,
|
|
0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61,
|
|
0x74, 0x65, 0x20, 0x41, 0x75, 0x74, 0x68, 0x6f,
|
|
0x72, 0x69, 0x74, 0x79, 0x31, 0x15, 0x30, 0x13,
|
|
0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x0c, 0x53,
|
|
0x6e, 0x61, 0x6b, 0x65, 0x20, 0x4f, 0x69, 0x6c,
|
|
0x20, 0x43, 0x41, 0x31, 0x1e, 0x30, 0x1c, 0x06,
|
|
0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01,
|
|
0x09, 0x01, 0x16, 0x0f, 0x63, 0x61, 0x40, 0x73,
|
|
0x6e, 0x61, 0x6b, 0x65, 0x6f, 0x69, 0x6c, 0x2e,
|
|
0x64, 0x6f, 0x6d, 0x30, 0x1e, 0x17, 0x0d, 0x30,
|
|
0x33, 0x30, 0x33, 0x30, 0x35, 0x31, 0x36, 0x34,
|
|
0x37, 0x34, 0x35, 0x5a, 0x17, 0x0d, 0x30, 0x38,
|
|
0x30, 0x33, 0x30, 0x33, 0x31, 0x36, 0x34, 0x37,
|
|
0x34, 0x35, 0x5a, 0x30, 0x81, 0xa7, 0x31, 0x0b,
|
|
0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13,
|
|
0x02, 0x58, 0x59, 0x31, 0x15, 0x30, 0x13, 0x06,
|
|
0x03, 0x55, 0x04, 0x08, 0x13, 0x0c, 0x53, 0x6e,
|
|
0x61, 0x6b, 0x65, 0x20, 0x44, 0x65, 0x73, 0x65,
|
|
0x72, 0x74, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03,
|
|
0x55, 0x04, 0x07, 0x13, 0x0a, 0x53, 0x6e, 0x61,
|
|
0x6b, 0x65, 0x20, 0x54, 0x6f, 0x77, 0x6e, 0x31,
|
|
0x17, 0x30, 0x15, 0x06, 0x03, 0x55, 0x04, 0x0a,
|
|
0x13, 0x0e, 0x53, 0x6e, 0x61, 0x6b, 0x65, 0x20,
|
|
0x4f, 0x69, 0x6c, 0x2c, 0x20, 0x4c, 0x74, 0x64,
|
|
0x31, 0x17, 0x30, 0x15, 0x06, 0x03, 0x55, 0x04,
|
|
0x0b, 0x13, 0x0e, 0x57, 0x65, 0x62, 0x73, 0x65,
|
|
0x72, 0x76, 0x65, 0x72, 0x20, 0x54, 0x65, 0x61,
|
|
0x6d, 0x31, 0x19, 0x30, 0x17, 0x06, 0x03, 0x55,
|
|
0x04, 0x03, 0x13, 0x10, 0x77, 0x77, 0x77, 0x2e,
|
|
0x73, 0x6e, 0x61, 0x6b, 0x65, 0x6f, 0x69, 0x6c,
|
|
0x2e, 0x64, 0x6f, 0x6d, 0x31, 0x1f, 0x30, 0x1d,
|
|
0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d,
|
|
0x01, 0x09, 0x01, 0x16, 0x10, 0x77, 0x77, 0x77,
|
|
0x40, 0x73, 0x6e, 0x61, 0x6b, 0x65, 0x6f, 0x69,
|
|
0x6c, 0x2e, 0x64, 0x6f, 0x6d, 0x30, 0x81, 0x9f,
|
|
0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
|
|
0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03,
|
|
0x81, 0x8d, 0x00, 0x30, 0x81, 0x89, 0x02, 0x81,
|
|
0x81, 0x00, 0xa4, 0x6e, 0x53, 0x14, 0x0a, 0xde,
|
|
0x2c, 0xe3, 0x60, 0x55, 0x9a, 0xf2, 0x42, 0xa6,
|
|
0xaf, 0x47, 0x12, 0x2f, 0x17, 0xce, 0xfa, 0xba,
|
|
0xdc, 0x4e, 0x63, 0x56, 0x34, 0xb9, 0xba, 0x73,
|
|
0x4b, 0x78, 0x44, 0x3d, 0xc6, 0x6c, 0x69, 0xa4,
|
|
0x25, 0xb3, 0x61, 0x02, 0x9d, 0x09, 0x04, 0x3f,
|
|
0x72, 0x3d, 0xd8, 0x27, 0xd3, 0xb0, 0x5a, 0x45,
|
|
0x77, 0xb7, 0x36, 0xe4, 0x26, 0x23, 0xcc, 0x12,
|
|
0xb8, 0xae, 0xde, 0xa7, 0xb6, 0x3a, 0x82, 0x3c,
|
|
0x7c, 0x24, 0x59, 0x0a, 0xf8, 0x96, 0x43, 0x8b,
|
|
0xa3, 0x29, 0x36, 0x3f, 0x91, 0x7f, 0x5d, 0xc7,
|
|
0x23, 0x94, 0x29, 0x7f, 0x0a, 0xce, 0x0a, 0xbd,
|
|
0x8d, 0x9b, 0x2f, 0x19, 0x17, 0xaa, 0xd5, 0x8e,
|
|
0xec, 0x66, 0xa2, 0x37, 0xeb, 0x3f, 0x57, 0x53,
|
|
0x3c, 0xf2, 0xaa, 0xbb, 0x79, 0x19, 0x4b, 0x90,
|
|
0x7e, 0xa7, 0xa3, 0x99, 0xfe, 0x84, 0x4c, 0x89,
|
|
0xf0, 0x3d, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3,
|
|
0x6e, 0x30, 0x6c, 0x30, 0x1b, 0x06, 0x03, 0x55,
|
|
0x1d, 0x11, 0x04, 0x14, 0x30, 0x12, 0x81, 0x10,
|
|
0x77, 0x77, 0x77, 0x40, 0x73, 0x6e, 0x61, 0x6b,
|
|
0x65, 0x6f, 0x69, 0x6c, 0x2e, 0x64, 0x6f, 0x6d,
|
|
0x30, 0x3a, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01,
|
|
0x86, 0xf8, 0x42, 0x01, 0x0d, 0x04, 0x2d, 0x16,
|
|
0x2b, 0x6d, 0x6f, 0x64, 0x5f, 0x73, 0x73, 0x6c,
|
|
0x20, 0x67, 0x65, 0x6e, 0x65, 0x72, 0x61, 0x74,
|
|
0x65, 0x64, 0x20, 0x63, 0x75, 0x73, 0x74, 0x6f,
|
|
0x6d, 0x20, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72,
|
|
0x20, 0x63, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69,
|
|
0x63, 0x61, 0x74, 0x65, 0x30, 0x11, 0x06, 0x09,
|
|
0x60, 0x86, 0x48, 0x01, 0x86, 0xf8, 0x42, 0x01,
|
|
0x01, 0x04, 0x04, 0x03, 0x02, 0x06, 0x40, 0x30,
|
|
0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7,
|
|
0x0d, 0x01, 0x01, 0x04, 0x05, 0x00, 0x03, 0x81,
|
|
0x81, 0x00, 0xae, 0x79, 0x79, 0x22, 0x90, 0x75,
|
|
0xfd, 0xa6, 0xd5, 0xc4, 0xb8, 0xc4, 0x99, 0x4e,
|
|
0x1c, 0x05, 0x7c, 0x91, 0x59, 0xbe, 0x89, 0x0d,
|
|
0x3d, 0xc6, 0x8c, 0xa3, 0xcf, 0xf6, 0xba, 0x23,
|
|
0xdf, 0xb8, 0xae, 0x44, 0x68, 0x8a, 0x8f, 0xb9,
|
|
0x8b, 0xcb, 0x12, 0xda, 0xe6, 0xa2, 0xca, 0xa5,
|
|
0xa6, 0x55, 0xd9, 0xd2, 0xa1, 0xad, 0xba, 0x9b,
|
|
0x2c, 0x44, 0x95, 0x1d, 0x4a, 0x90, 0x59, 0x7f,
|
|
0x83, 0xae, 0x81, 0x5e, 0x3f, 0x92, 0xe0, 0x14,
|
|
0x41, 0x82, 0x4e, 0x7f, 0x53, 0xfd, 0x10, 0x23,
|
|
0xeb, 0x8a, 0xeb, 0xe9, 0x92, 0xea, 0x61, 0xf2,
|
|
0x8e, 0x19, 0xa1, 0xd3, 0x49, 0xc0, 0x84, 0x34,
|
|
0x1e, 0x2e, 0x6e, 0xf6, 0x98, 0xe2, 0x87, 0x53,
|
|
0xd6, 0x55, 0xd9, 0x1a, 0x8a, 0x92, 0x5c, 0xad,
|
|
0xdc, 0x1e, 0x1c, 0x30, 0xa7, 0x65, 0x9d, 0xc2,
|
|
0x4f, 0x60, 0xd2, 0x6f, 0xdb, 0xe0, 0x9f, 0x9e,
|
|
0xbc, 0x41, 0x16, 0x03, 0x00, 0x00, 0x04, 0x0e,
|
|
0x00, 0x00, 0x00
|
|
};
|
|
uint32_t shello_buf_len = sizeof(shello_buf);
|
|
|
|
uint8_t client_change_cipher_spec_buf[] = {
|
|
0x16, 0x03, 0x00, 0x00, 0x84, 0x10, 0x00, 0x00,
|
|
0x80, 0x65, 0x51, 0x2d, 0xa6, 0xd4, 0xa7, 0x38,
|
|
0xdf, 0xac, 0x79, 0x1f, 0x0b, 0xd9, 0xb2, 0x61,
|
|
0x7d, 0x73, 0x88, 0x32, 0xd9, 0xf2, 0x62, 0x3a,
|
|
0x8b, 0x11, 0x04, 0x75, 0xca, 0x42, 0xff, 0x4e,
|
|
0xd9, 0xcc, 0xb9, 0xfa, 0x86, 0xf3, 0x16, 0x2f,
|
|
0x09, 0x73, 0x51, 0x66, 0xaa, 0x29, 0xcd, 0x80,
|
|
0x61, 0x0f, 0xe8, 0x13, 0xce, 0x5b, 0x8e, 0x0a,
|
|
0x23, 0xf8, 0x91, 0x5e, 0x5f, 0x54, 0x70, 0x80,
|
|
0x8e, 0x7b, 0x28, 0xef, 0xb6, 0x69, 0xb2, 0x59,
|
|
0x85, 0x74, 0x98, 0xe2, 0x7e, 0xd8, 0xcc, 0x76,
|
|
0x80, 0xe1, 0xb6, 0x45, 0x4d, 0xc7, 0xcd, 0x84,
|
|
0xce, 0xb4, 0x52, 0x79, 0x74, 0xcd, 0xe6, 0xd7,
|
|
0xd1, 0x9c, 0xad, 0xef, 0x63, 0x6c, 0x0f, 0xf7,
|
|
0x05, 0xe4, 0x4d, 0x1a, 0xd3, 0xcb, 0x9c, 0xd2,
|
|
0x51, 0xb5, 0x61, 0xcb, 0xff, 0x7c, 0xee, 0xc7,
|
|
0xbc, 0x5e, 0x15, 0xa3, 0xf2, 0x52, 0x0f, 0xbb,
|
|
0x32, 0x14, 0x03, 0x00, 0x00, 0x01, 0x01, 0x16,
|
|
0x03, 0x00, 0x00, 0x40, 0xa9, 0xd8, 0xd7, 0x35,
|
|
0xbc, 0x39, 0x56, 0x98, 0xad, 0x87, 0x61, 0x2a,
|
|
0xc4, 0x8f, 0xcc, 0x03, 0xcb, 0x93, 0x80, 0x81,
|
|
0xb0, 0x4a, 0xc4, 0xd2, 0x09, 0x71, 0x3e, 0x90,
|
|
0x3c, 0x8d, 0xe0, 0x95, 0x44, 0xfe, 0x56, 0xd1,
|
|
0x7e, 0x88, 0xe2, 0x48, 0xfd, 0x76, 0x70, 0x76,
|
|
0xe2, 0xcd, 0x06, 0xd0, 0xf3, 0x9d, 0x13, 0x79,
|
|
0x67, 0x1e, 0x37, 0xf6, 0x98, 0xbe, 0x59, 0x18,
|
|
0x4c, 0xfc, 0x75, 0x56
|
|
};
|
|
uint32_t client_change_cipher_spec_buf_len =
|
|
sizeof(client_change_cipher_spec_buf);
|
|
|
|
uint8_t server_change_cipher_spec_buf[] = {
|
|
0x14, 0x03, 0x00, 0x00, 0x01, 0x01, 0x16, 0x03,
|
|
0x00, 0x00, 0x40, 0xce, 0x7c, 0x92, 0x43, 0x59,
|
|
0xcc, 0x3d, 0x90, 0x91, 0x9c, 0x58, 0xf0, 0x7a,
|
|
0xce, 0xae, 0x0d, 0x08, 0xe0, 0x76, 0xb4, 0x86,
|
|
0xb1, 0x15, 0x5b, 0x32, 0xb8, 0x77, 0x53, 0xe7,
|
|
0xa6, 0xf9, 0xd0, 0x95, 0x5f, 0xaa, 0x07, 0xc3,
|
|
0x96, 0x7c, 0xc9, 0x88, 0xc2, 0x7a, 0x20, 0x89,
|
|
0x4f, 0xeb, 0xeb, 0xb6, 0x19, 0xef, 0xaa, 0x27,
|
|
0x73, 0x9d, 0xa6, 0xb4, 0x9f, 0xeb, 0x34, 0xe2,
|
|
0x4d, 0x9f, 0x6b
|
|
};
|
|
uint32_t server_change_cipher_spec_buf_len =
|
|
sizeof(server_change_cipher_spec_buf);
|
|
|
|
uint8_t toserver_app_data_buf[] = {
|
|
0x17, 0x03, 0x00, 0x01, 0xb0, 0x4a, 0xc3, 0x3e,
|
|
0x9d, 0x77, 0x78, 0x01, 0x2c, 0xb4, 0xbc, 0x4c,
|
|
0x9a, 0x84, 0xd7, 0xb9, 0x90, 0x0c, 0x21, 0x10,
|
|
0xf0, 0xfa, 0x00, 0x7c, 0x16, 0xbb, 0x77, 0xfb,
|
|
0x72, 0x42, 0x4f, 0xad, 0x50, 0x4a, 0xd0, 0xaa,
|
|
0x6f, 0xaa, 0x44, 0x6c, 0x62, 0x94, 0x1b, 0xc5,
|
|
0xfe, 0xe9, 0x1c, 0x5e, 0xde, 0x85, 0x0b, 0x0e,
|
|
0x05, 0xe4, 0x18, 0x6e, 0xd2, 0xd3, 0xb5, 0x20,
|
|
0xab, 0x81, 0xfd, 0x18, 0x9a, 0x73, 0xb8, 0xd7,
|
|
0xef, 0xc3, 0xdd, 0x74, 0xd7, 0x9c, 0x1e, 0x6f,
|
|
0x21, 0x6d, 0xf8, 0x24, 0xca, 0x3c, 0x70, 0x78,
|
|
0x36, 0x12, 0x7a, 0x8a, 0x9c, 0xac, 0x4e, 0x1c,
|
|
0xa8, 0xfb, 0x27, 0x30, 0xba, 0x9a, 0xf4, 0x2f,
|
|
0x0a, 0xab, 0x80, 0x6a, 0xa1, 0x60, 0x74, 0xf0,
|
|
0xe3, 0x91, 0x84, 0xe7, 0x90, 0x88, 0xcc, 0xf0,
|
|
0x95, 0x7b, 0x0a, 0x22, 0xf2, 0xf9, 0x27, 0xe0,
|
|
0xdd, 0x38, 0x0c, 0xfd, 0xe9, 0x03, 0x71, 0xdc,
|
|
0x70, 0xa4, 0x6e, 0xdf, 0xe3, 0x72, 0x9e, 0xa1,
|
|
0xf0, 0xc9, 0x00, 0xd6, 0x03, 0x55, 0x6a, 0x67,
|
|
0x5d, 0x9c, 0xb8, 0x75, 0x01, 0xb0, 0x01, 0x9f,
|
|
0xe6, 0xd2, 0x44, 0x18, 0xbc, 0xca, 0x7a, 0x10,
|
|
0x39, 0xa6, 0xcf, 0x15, 0xc7, 0xf5, 0x35, 0xd4,
|
|
0xb3, 0x6d, 0x91, 0x23, 0x84, 0x99, 0xba, 0xb0,
|
|
0x7e, 0xd0, 0xc9, 0x4c, 0xbf, 0x3f, 0x33, 0x68,
|
|
0x37, 0xb7, 0x7d, 0x44, 0xb0, 0x0b, 0x2c, 0x0f,
|
|
0xd0, 0x75, 0xa2, 0x6b, 0x5b, 0xe1, 0x9f, 0xd4,
|
|
0x69, 0x9a, 0x14, 0xc8, 0x29, 0xb7, 0xd9, 0x10,
|
|
0xbb, 0x99, 0x30, 0x9a, 0xfb, 0xcc, 0x13, 0x1f,
|
|
0x76, 0x4e, 0xe6, 0xdf, 0x14, 0xaa, 0xd5, 0x60,
|
|
0xbf, 0x91, 0x49, 0x0d, 0x64, 0x42, 0x29, 0xa8,
|
|
0x64, 0x27, 0xd4, 0x5e, 0x1b, 0x18, 0x03, 0xa8,
|
|
0x73, 0xd6, 0x05, 0x6e, 0xf7, 0x50, 0xb0, 0x09,
|
|
0x6b, 0x69, 0x7a, 0x12, 0x28, 0x58, 0xef, 0x5a,
|
|
0x86, 0x11, 0xde, 0x71, 0x71, 0x9f, 0xca, 0xbd,
|
|
0x79, 0x2a, 0xc2, 0xe5, 0x9b, 0x5e, 0x32, 0xe7,
|
|
0xcb, 0x97, 0x6e, 0xa0, 0xea, 0xa4, 0xa4, 0x6a,
|
|
0x32, 0xf9, 0x37, 0x39, 0xd8, 0x37, 0x6d, 0x63,
|
|
0xf3, 0x08, 0x1c, 0xdd, 0x06, 0xdd, 0x2c, 0x2b,
|
|
0x9f, 0x04, 0x88, 0x5f, 0x36, 0x42, 0xc1, 0xb1,
|
|
0xc7, 0xe8, 0x2d, 0x5d, 0xa4, 0x6c, 0xe5, 0x60,
|
|
0x94, 0xae, 0xd0, 0x90, 0x1e, 0x88, 0xa0, 0x87,
|
|
0x52, 0xfb, 0xed, 0x97, 0xa5, 0x25, 0x5a, 0xb7,
|
|
0x55, 0xc5, 0x13, 0x07, 0x85, 0x27, 0x40, 0xed,
|
|
0xb8, 0xa0, 0x26, 0x13, 0x44, 0x0c, 0xfc, 0xcc,
|
|
0x5a, 0x09, 0xe5, 0x44, 0xb5, 0x63, 0xa1, 0x43,
|
|
0x51, 0x23, 0x4f, 0x17, 0x21, 0x89, 0x2e, 0x58,
|
|
0xfd, 0xf9, 0x63, 0x74, 0x04, 0x70, 0x1e, 0x7d,
|
|
0xd0, 0x66, 0xba, 0x40, 0x5e, 0x45, 0xdc, 0x39,
|
|
0x7c, 0x53, 0x0f, 0xa8, 0x38, 0xb2, 0x13, 0x99,
|
|
0x27, 0xd9, 0x4a, 0x51, 0xe9, 0x9f, 0x2a, 0x92,
|
|
0xbb, 0x9c, 0x90, 0xab, 0xfd, 0xf1, 0xb7, 0x40,
|
|
0x05, 0xa9, 0x7a, 0x20, 0x63, 0x36, 0xc1, 0xef,
|
|
0xb9, 0xad, 0xa2, 0xe0, 0x1d, 0x20, 0x4f, 0xb2,
|
|
0x34, 0xbd, 0xea, 0x07, 0xac, 0x21, 0xce, 0xf6,
|
|
0x8a, 0xa2, 0x9e, 0xcd, 0xfa
|
|
};
|
|
uint32_t toserver_app_data_buf_len = sizeof(toserver_app_data_buf);
|
|
|
|
Signature *s = NULL;
|
|
ThreadVars th_v;
|
|
Packet *p = NULL;
|
|
Flow f;
|
|
TcpSession ssn;
|
|
DetectEngineThreadCtx *det_ctx = NULL;
|
|
DetectEngineCtx *de_ctx = NULL;
|
|
SSLState *ssl_state = NULL;
|
|
int r = 0;
|
|
AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
|
|
|
|
memset(&th_v, 0, sizeof(th_v));
|
|
memset(&p, 0, sizeof(p));
|
|
memset(&f, 0, sizeof(f));
|
|
memset(&ssn, 0, sizeof(ssn));
|
|
|
|
p = UTHBuildPacket(NULL, 0, IPPROTO_TCP);
|
|
|
|
FLOW_INITIALIZE(&f);
|
|
f.protoctx = (void *)&ssn;
|
|
f.proto = IPPROTO_TCP;
|
|
p->flow = &f;
|
|
p->flags |= PKT_HAS_FLOW|PKT_STREAM_EST;
|
|
p->flowflags |= FLOW_PKT_TOSERVER;
|
|
p->flowflags |= FLOW_PKT_ESTABLISHED;
|
|
f.alproto = ALPROTO_TLS;
|
|
|
|
StreamTcpInitConfig(TRUE);
|
|
|
|
de_ctx = DetectEngineCtxInit();
|
|
FAIL_IF_NULL(de_ctx);
|
|
|
|
de_ctx->flags |= DE_QUIET;
|
|
|
|
s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any "
|
|
"(msg:\"ssl state\"; ssl_state:client_hello; "
|
|
"sid:1;)");
|
|
FAIL_IF_NULL(s);
|
|
|
|
s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any "
|
|
"(msg:\"ssl state\"; "
|
|
"ssl_state:server_hello; "
|
|
"sid:2;)");
|
|
FAIL_IF_NULL(s);
|
|
|
|
s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any "
|
|
"(msg:\"ssl state\"; "
|
|
"ssl_state:client_keyx; "
|
|
"sid:3;)");
|
|
FAIL_IF_NULL(s);
|
|
|
|
s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any "
|
|
"(msg:\"ssl state\"; "
|
|
"ssl_state:server_keyx; "
|
|
"sid:4;)");
|
|
FAIL_IF_NULL(s);
|
|
|
|
s = DetectEngineAppendSig(de_ctx, "alert tcp any any -> any any "
|
|
"(msg:\"ssl state\"; "
|
|
"ssl_state:!client_hello; "
|
|
"sid:5;)");
|
|
FAIL_IF_NULL(s);
|
|
|
|
SigGroupBuild(de_ctx);
|
|
DetectEngineThreadCtxInit(&th_v, (void *)de_ctx, (void *)&det_ctx);
|
|
|
|
FLOWLOCK_WRLOCK(&f);
|
|
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS,
|
|
STREAM_TOSERVER | STREAM_START, chello_buf,
|
|
chello_buf_len);
|
|
FAIL_IF(r != 0);
|
|
FLOWLOCK_UNLOCK(&f);
|
|
|
|
ssl_state = f.alstate;
|
|
FAIL_IF(ssl_state == NULL);
|
|
|
|
/* do detect */
|
|
p->alerts.cnt = 0;
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
FAIL_IF(!PacketAlertCheck(p, 1));
|
|
FAIL_IF(PacketAlertCheck(p, 2));
|
|
FAIL_IF(PacketAlertCheck(p, 3));
|
|
FAIL_IF(PacketAlertCheck(p, 4));
|
|
FAIL_IF(PacketAlertCheck(p, 5));
|
|
|
|
FLOWLOCK_WRLOCK(&f);
|
|
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOCLIENT,
|
|
shello_buf, shello_buf_len);
|
|
FAIL_IF(r != 0);
|
|
FLOWLOCK_UNLOCK(&f);
|
|
|
|
/* do detect */
|
|
p->alerts.cnt = 0;
|
|
p->flowflags = (FLOW_PKT_TOCLIENT | FLOW_PKT_ESTABLISHED);
|
|
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
FAIL_IF(PacketAlertCheck(p, 1));
|
|
FAIL_IF(!PacketAlertCheck(p, 2));
|
|
FAIL_IF(PacketAlertCheck(p, 3));
|
|
FAIL_IF(PacketAlertCheck(p, 4));
|
|
FAIL_IF(!PacketAlertCheck(p, 5));
|
|
|
|
PASS;
|
|
|
|
FLOWLOCK_WRLOCK(&f);
|
|
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOSERVER,
|
|
client_change_cipher_spec_buf,
|
|
client_change_cipher_spec_buf_len);
|
|
FAIL_IF(r != 0);
|
|
FLOWLOCK_UNLOCK(&f);
|
|
|
|
/* do detect */
|
|
p->alerts.cnt = 0;
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
FAIL_IF(PacketAlertCheck(p, 1));
|
|
FAIL_IF(PacketAlertCheck(p, 2));
|
|
FAIL_IF(!PacketAlertCheck(p, 3));
|
|
FAIL_IF(PacketAlertCheck(p, 4));
|
|
|
|
FLOWLOCK_WRLOCK(&f);
|
|
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOCLIENT,
|
|
server_change_cipher_spec_buf,
|
|
server_change_cipher_spec_buf_len);
|
|
FAIL_IF(r != 0);
|
|
FLOWLOCK_UNLOCK(&f);
|
|
|
|
/* do detect */
|
|
p->alerts.cnt = 0;
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
FAIL_IF(PacketAlertCheck(p, 1));
|
|
FAIL_IF(PacketAlertCheck(p, 2));
|
|
FAIL_IF(PacketAlertCheck(p, 3));
|
|
FAIL_IF(PacketAlertCheck(p, 4));
|
|
|
|
FLOWLOCK_WRLOCK(&f);
|
|
r = AppLayerParserParse(NULL, alp_tctx, &f, ALPROTO_TLS, STREAM_TOSERVER,
|
|
toserver_app_data_buf, toserver_app_data_buf_len);
|
|
FAIL_IF(r != 0);
|
|
FLOWLOCK_UNLOCK(&f);
|
|
|
|
/* do detect */
|
|
p->alerts.cnt = 0;
|
|
SigMatchSignatures(&th_v, de_ctx, det_ctx, p);
|
|
|
|
FAIL_IF(PacketAlertCheck(p, 1));
|
|
FAIL_IF(PacketAlertCheck(p, 2));
|
|
FAIL_IF(PacketAlertCheck(p, 3));
|
|
FAIL_IF(PacketAlertCheck(p, 4));
|
|
|
|
if (alp_tctx != NULL)
|
|
AppLayerParserThreadCtxFree(alp_tctx);
|
|
SigGroupCleanup(de_ctx);
|
|
SigCleanSignatures(de_ctx);
|
|
|
|
DetectEngineThreadCtxDeinit(&th_v, (void *)det_ctx);
|
|
DetectEngineCtxFree(de_ctx);
|
|
|
|
StreamTcpFreeConfig(TRUE);
|
|
FLOW_DESTROY(&f);
|
|
UTHFreePackets(&p, 1);
|
|
PASS;
|
|
}
|
|
|
|
/**
|
|
* \brief Test that the "|" character still works as a separate for
|
|
* compatibility with older Suricata rules.
|
|
*/
|
|
int DetectSslStateTest08(void)
|
|
{
|
|
DetectSslStateData *ssd = DetectSslStateParse("server_hello|client_hello");
|
|
FAIL_IF_NULL(ssd);
|
|
FAIL_IF_NOT(ssd->flags == (DETECT_SSL_STATE_SERVER_HELLO |
|
|
DETECT_SSL_STATE_CLIENT_HELLO));
|
|
SCFree(ssd);
|
|
PASS;
|
|
}
|
|
|
|
/**
|
|
* \test Test parsing of negated states.
|
|
*/
|
|
int DetectSslStateTestParseNegate(void)
|
|
{
|
|
DetectSslStateData *ssd = DetectSslStateParse("!client_hello");
|
|
FAIL_IF_NULL(ssd);
|
|
uint32_t expected = DETECT_SSL_STATE_CLIENT_HELLO;
|
|
FAIL_IF(ssd->flags != expected || ssd->mask != expected);
|
|
SCFree(ssd);
|
|
|
|
ssd = DetectSslStateParse("!client_hello,!server_hello");
|
|
FAIL_IF_NULL(ssd);
|
|
expected = DETECT_SSL_STATE_CLIENT_HELLO | DETECT_SSL_STATE_SERVER_HELLO;
|
|
FAIL_IF(ssd->flags != expected || ssd->mask != expected);
|
|
SCFree(ssd);
|
|
|
|
PASS;
|
|
}
|
|
|
|
#endif /* UNITTESTS */
|
|
|
|
void DetectSslStateRegisterTests(void)
|
|
{
|
|
#ifdef UNITTESTS
|
|
UtRegisterTest("DetectSslStateTest01", DetectSslStateTest01);
|
|
UtRegisterTest("DetectSslStateTest02", DetectSslStateTest02);
|
|
UtRegisterTest("DetectSslStateTest03", DetectSslStateTest03);
|
|
UtRegisterTest("DetectSslStateTest04", DetectSslStateTest04);
|
|
UtRegisterTest("DetectSslStateTest05", DetectSslStateTest05);
|
|
UtRegisterTest("DetectSslStateTest06", DetectSslStateTest06);
|
|
UtRegisterTest("DetectSslStateTest07", DetectSslStateTest07);
|
|
UtRegisterTest("DetectSslStateTest08", DetectSslStateTest08);
|
|
UtRegisterTest("DetectSslStateTestParseNegate",
|
|
DetectSslStateTestParseNegate);
|
|
#endif
|
|
|
|
return;
|
|
}
|