suricata
detect-quic-cyu-hash.c
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1 /* Copyright (C) 2021-2022 Open Information Security Foundation
2  *
3  * You can copy, redistribute or modify this Program under the terms of
4  * the GNU General Public License version 2 as published by the Free
5  * Software Foundation.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * version 2 along with this program; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15  * 02110-1301, USA.
16  */
17 
18 /**
19  *
20  * Implements the quic.cyu.hash sticky buffer
21  */
22 
23 #include "suricata-common.h"
24 #include "detect.h"
25 #include "detect-parse.h"
26 #include "detect-content.h"
27 
28 #include "detect-engine.h"
29 #include "detect-engine-mpm.h"
30 #include "detect-engine-prefilter.h"
31 #include "detect-engine-content-inspection.h"
32 #include "detect-quic-cyu-hash.h"
33 #include "detect-engine-build.h"
34 #include "rust.h"
35 #include "util-profiling.h"
36 
37 #ifdef UNITTESTS
38 static void DetectQuicCyuHashRegisterTests(void);
39 #endif
40 
41 #define KEYWORD_NAME "quic.cyu.hash"
42 #define KEYWORD_DOC "quic-cyu.html#quic-cyu-hash"
43 #define BUFFER_NAME "quic.cyu.hash"
44 #define BUFFER_DESC "QUIC CYU Hash"
45 static int g_buffer_id = 0;
46 
47 static int DetectQuicCyuHashSetup(DetectEngineCtx *de_ctx, Signature *s, const char *arg)
48 {
49  if (DetectBufferSetActiveList(de_ctx, s, g_buffer_id) < 0)
50  return -1;
51 
52  if (DetectSignatureSetAppProto(s, ALPROTO_QUIC) < 0)
53  return -1;
54 
55  return 0;
56 }
57 
58 static InspectionBuffer *QuicHashGetData(DetectEngineThreadCtx *det_ctx,
59  const DetectEngineTransforms *transforms, Flow *f, const uint8_t flags, void *txv,
60  int list_id, uint32_t local_id)
61 {
62  SCEnter();
63 
64  if (local_id > UINT16_MAX)
65  return NULL;
66  InspectionBuffer *buffer = InspectionBufferMultipleForListGet(det_ctx, list_id, local_id);
67  if (buffer == NULL)
68  return NULL;
69  if (buffer->initialized)
70  return buffer;
71 
72  const uint8_t *data;
73  uint32_t data_len;
74  if (rs_quic_tx_get_cyu_hash(txv, local_id, &data, &data_len) == 0) {
75  InspectionBufferSetupMultiEmpty(buffer);
76  return NULL;
77  }
78 
79  InspectionBufferSetupMulti(buffer, transforms, data, data_len);
80  buffer->flags = DETECT_CI_FLAGS_SINGLE;
81 
82  SCReturnPtr(buffer, "InspectionBuffer");
83 }
84 
85 static bool DetectQuicHashValidateCallback(const Signature *s, const char **sigerror)
86 {
87  for (uint32_t x = 0; x < s->init_data->buffer_index; x++) {
88  if (s->init_data->buffers[x].id != (uint32_t)g_buffer_id)
89  continue;
90  const SigMatch *sm = s->init_data->buffers[x].head;
91  for (; sm != NULL; sm = sm->next) {
92  if (sm->type != DETECT_CONTENT)
93  continue;
94 
95  const DetectContentData *cd = (DetectContentData *)sm->ctx;
96 
97  if (cd->flags & DETECT_CONTENT_NOCASE) {
98  *sigerror = BUFFER_NAME " should not be used together with "
99  "nocase, since the rule is automatically "
100  "lowercased anyway which makes nocase redundant.";
101  SCLogWarning("rule %u: %s", s->id, *sigerror);
102  }
103 
104  if (cd->content_len != 32) {
105  *sigerror = "Invalid length of the specified" BUFFER_NAME " (should "
106  "be 32 characters long). This rule will therefore "
107  "never match.";
108  SCLogWarning("rule %u: %s", s->id, *sigerror);
109  return false;
110  }
111  for (size_t i = 0; i < cd->content_len; ++i) {
112  if (!isxdigit(cd->content[i])) {
113  *sigerror = "Invalid " BUFFER_NAME
114  " string (should be string of hexadecimal characters)."
115  "This rule will therefore never match.";
116  SCLogWarning("rule %u: %s", s->id, *sigerror);
117  return false;
118  }
119  }
120  }
121  }
122  return true;
123 }
124 
125 void DetectQuicCyuHashRegister(void)
126 {
127  /* quic.cyu.hash sticky buffer */
128  sigmatch_table[DETECT_AL_QUIC_CYU_HASH].name = KEYWORD_NAME;
129  sigmatch_table[DETECT_AL_QUIC_CYU_HASH].desc = "sticky buffer to match on the QUIC CYU hash";
130  sigmatch_table[DETECT_AL_QUIC_CYU_HASH].url = "/rules/" KEYWORD_DOC;
131  sigmatch_table[DETECT_AL_QUIC_CYU_HASH].Setup = DetectQuicCyuHashSetup;
132  sigmatch_table[DETECT_AL_QUIC_CYU_HASH].flags |= SIGMATCH_NOOPT;
133 #ifdef UNITTESTS
134  sigmatch_table[DETECT_AL_QUIC_CYU_HASH].RegisterTests = DetectQuicCyuHashRegisterTests;
135 #endif
136 
137  DetectAppLayerMultiRegister(
138  BUFFER_NAME, ALPROTO_QUIC, SIG_FLAG_TOSERVER, 0, QuicHashGetData, 2, 1);
139 
140  DetectBufferTypeSetDescriptionByName(BUFFER_NAME, BUFFER_DESC);
141 
142  g_buffer_id = DetectBufferTypeGetByName(BUFFER_NAME);
143 
144  DetectBufferTypeRegisterValidateCallback(BUFFER_NAME, DetectQuicHashValidateCallback);
145 
146  DetectBufferTypeSupportsMultiInstance(BUFFER_NAME);
147 }
148 
149 #ifdef UNITTESTS
150 #include "app-layer-parser.h"
151 #include "util-unittest.h"
152 #include "util-unittest-helper.h"
153 #include "flow-util.h"
154 #include "detect-engine-alert.h"
155 
156 /**
157  * \test DetectQuicCyuHashTest01 is a test for a valid quic packet, matching
158  * on the cyu hash
159  *
160  * \retval 1 on success
161  * \retval 0 on failure
162  */
163 static int DetectQuicCyuHashTest01(void)
164 {
165  /* quic packet */
166  uint8_t buf[] = { 0xc3, 0x51, 0x30, 0x34, 0x36, 0x50, 0x76, 0xd8, 0x63, 0xb7, 0x54, 0xf7, 0xab,
167  0x32, 0x00, 0x00, 0x00, 0x01, 0x54, 0xfd, 0xf4, 0x79, 0x48, 0x76, 0xd0, 0x87, 0x58, 0x8d,
168  0x26, 0x8f, 0xa0, 0x01, 0x04, 0x00, 0x43, 0x48, 0x4c, 0x4f, 0x11, 0x00, 0x00, 0x00, 0x50,
169  0x41, 0x44, 0x00, 0xe4, 0x02, 0x00, 0x00, 0x53, 0x4e, 0x49, 0x00, 0xf7, 0x02, 0x00, 0x00,
170  0x56, 0x45, 0x52, 0x00, 0xfb, 0x02, 0x00, 0x00, 0x43, 0x43, 0x53, 0x00, 0x0b, 0x03, 0x00,
171  0x00, 0x55, 0x41, 0x49, 0x44, 0x2c, 0x03, 0x00, 0x00, 0x54, 0x43, 0x49, 0x44, 0x30, 0x03,
172  0x00, 0x00, 0x50, 0x44, 0x4d, 0x44, 0x34, 0x03, 0x00, 0x00, 0x53, 0x4d, 0x48, 0x4c, 0x38,
173  0x03, 0x00, 0x00, 0x49, 0x43, 0x53, 0x4c, 0x3c, 0x03, 0x00, 0x00, 0x4e, 0x4f, 0x4e, 0x50,
174  0x5c, 0x03, 0x00, 0x00, 0x4d, 0x49, 0x44, 0x53, 0x60, 0x03, 0x00, 0x00, 0x53, 0x43, 0x4c,
175  0x53, 0x64, 0x03, 0x00, 0x00, 0x43, 0x53, 0x43, 0x54, 0x64, 0x03, 0x00, 0x00, 0x43, 0x4f,
176  0x50, 0x54, 0x64, 0x03, 0x00, 0x00, 0x49, 0x52, 0x54, 0x54, 0x68, 0x03, 0x00, 0x00, 0x43,
177  0x46, 0x43, 0x57, 0x6c, 0x03, 0x00, 0x00, 0x53, 0x46, 0x43, 0x57, 0x70, 0x03, 0x00, 0x00,
178  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
179  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
180  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
181  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
182  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
183  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
184  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
185  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
186  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
187  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
188  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
189  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
190  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
191  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
192  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
193  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
194  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
195  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
196  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
197  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
198  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
199  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
200  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
201  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
202  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
203  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
204  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
205  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
206  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
207  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
208  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
209  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
210  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
211  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
212  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
213  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
214  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
215  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
216  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
217  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
218  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
219  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
220  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
221  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
222  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
223  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
224  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
225  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
226  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
227  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x73, 0x31, 0x2e, 0x67,
228  0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x51, 0x30, 0x34, 0x36, 0x01, 0xe8,
229  0x81, 0x60, 0x92, 0x92, 0x1a, 0xe8, 0x7e, 0xed, 0x80, 0x86, 0xa2, 0x15, 0x82, 0x91, 0x43,
230  0x68, 0x72, 0x6f, 0x6d, 0x65, 0x2f, 0x37, 0x39, 0x2e, 0x30, 0x2e, 0x33, 0x39, 0x34, 0x35,
231  0x2e, 0x31, 0x31, 0x37, 0x20, 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20, 0x78, 0x38, 0x36, 0x5f,
232  0x36, 0x34, 0x00, 0x00, 0x00, 0x00, 0x58, 0x35, 0x30, 0x39, 0x01, 0x00, 0x00, 0x00, 0x1e,
233  0x00, 0x00, 0x00, 0x82, 0x88, 0x09, 0x00, 0xfa, 0x0f, 0xde, 0xb7, 0x2e, 0x7e, 0x6c, 0x78,
234  0xcc, 0x09, 0x65, 0xab, 0x06, 0x0c, 0x31, 0x05, 0xfa, 0xd9, 0xa2, 0x0b, 0xdd, 0x74, 0x5c,
235  0x28, 0xdf, 0x7b, 0x74, 0x23, 0x64, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x1d, 0x43,
236  0x00, 0x00, 0x00, 0x00, 0xf0, 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
237  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
238  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
239  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
240  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
241  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
242  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
243  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
244  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
245  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
246  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
247  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
248  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
249  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
250  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
251  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
252  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
253  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
254  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
255  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
256  0x00, 0x00 };
257 
258  Flow f;
259  void *quic_state = NULL;
260  Packet *p = NULL;
261  Signature *s = NULL;
262  ThreadVars tv;
263  DetectEngineThreadCtx *det_ctx = NULL;
264  AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
265 
266  memset(&tv, 0, sizeof(ThreadVars));
267  memset(&f, 0, sizeof(Flow));
268 
269  p = UTHBuildPacketReal(buf, sizeof(buf), IPPROTO_UDP, "192.168.1.5", "192.168.1.1", 41424, 443);
270 
271  FLOW_INITIALIZE(&f);
272  f.flags |= FLOW_IPV4;
273  f.proto = IPPROTO_UDP;
274  f.protomap = FlowGetProtoMapping(f.proto);
275 
276  p->flow = &f;
277  p->flags |= PKT_HAS_FLOW;
278  p->flowflags |= FLOW_PKT_TOSERVER;
279  f.alproto = ALPROTO_QUIC;
280 
281  DetectEngineCtx *de_ctx = DetectEngineCtxInit();
282  FAIL_IF_NULL(de_ctx);
283  de_ctx->mpm_matcher = mpm_default_matcher;
284  de_ctx->flags |= DE_QUIET;
285 
286  s = DetectEngineAppendSig(de_ctx,
287  "alert quic any any -> any any "
288  "(msg:\"Test QUIC CYU hash\"; "
289  "quic.cyu.hash; content:\"910a5e3a4d51593bd59a44611544f209\"; "
290  "sid:1;)");
291  FAIL_IF_NULL(s);
292 
293  SigGroupBuild(de_ctx);
294  DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);
295 
296  int r = AppLayerParserParse(
297  NULL, alp_tctx, &f, ALPROTO_QUIC, STREAM_TOSERVER, buf, sizeof(buf));
298  if (r != 0) {
299  printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
300  FAIL;
301  }
302 
303  quic_state = f.alstate;
304  FAIL_IF_NULL(quic_state);
305 
306  /* do detect */
307  SigMatchSignatures(&tv, de_ctx, det_ctx, p);
308 
309  if (!(PacketAlertCheck(p, 1))) {
310  printf("sig 1 didn't alert, but it should have: ");
311  FAIL;
312  }
313 
314  if (alp_tctx != NULL)
315  AppLayerParserThreadCtxFree(alp_tctx);
316  if (det_ctx != NULL)
317  DetectEngineThreadCtxDeinit(&tv, det_ctx);
318  if (de_ctx != NULL)
319  SigGroupCleanup(de_ctx);
320  if (de_ctx != NULL)
321  DetectEngineCtxFree(de_ctx);
322 
323  FLOW_DESTROY(&f);
324  UTHFreePacket(p);
325  PASS;
326 }
327 
328 static void DetectQuicCyuHashRegisterTests(void)
329 {
330  UtRegisterTest("DetectQuicCyuHashTest01", DetectQuicCyuHashTest01);
331 }
332 
333 #endif /* UNITTESTS */
DETECT_CONTENT_NOCASE
#define DETECT_CONTENT_NOCASE
Definition: detect-content.h:29
SigTableElmt_::url
const char * url
Definition: detect.h:1304
DetectSignatureSetAppProto
int DetectSignatureSetAppProto(Signature *s, AppProto alproto)
Definition: detect-parse.c:1737
SignatureInitDataBuffer_::head
SigMatch * head
Definition: detect.h:535
detect-content.h
detect-engine.h
FAIL_IF_NULL
#define FAIL_IF_NULL(expr)
Fail a test if expression evaluates to NULL.
Definition: util-unittest.h:89
SigTableElmt_::desc
const char * desc
Definition: detect.h:1303
sigmatch_table
SigTableElmt * sigmatch_table
Definition: detect-parse.c:127
PKT_HAS_FLOW
#define PKT_HAS_FLOW
Definition: decode.h:1273
flow-util.h
SigTableElmt_::name
const char * name
Definition: detect.h:1301
InspectionBuffer::initialized
bool initialized
Definition: detect.h:377
DetectQuicCyuHashRegister
void DetectQuicCyuHashRegister(void)
Definition: detect-quic-cyu-hash.c:125
DetectEngineTransforms
Definition: detect.h:408
UtRegisterTest
void UtRegisterTest(const char *name, int(*TestFn)(void))
Register unit test.
Definition: util-unittest.c:103
DETECT_CONTENT
@ DETECT_CONTENT
Definition: detect-engine-register.h:70
Flow_::proto
uint8_t proto
Definition: flow.h:382
ALPROTO_QUIC
@ ALPROTO_QUIC
Definition: app-layer-protos.h:51
DetectBufferSetActiveList
int DetectBufferSetActiveList(DetectEngineCtx *de_ctx, Signature *s, const int list)
Definition: detect-engine.c:1354
PacketAlertCheck
int PacketAlertCheck(Packet *p, uint32_t sid)
Check if a certain sid alerted, this is used in the test functions.
Definition: detect-engine-alert.c:141
InspectionBuffer
Definition: detect.h:373
Packet_::flags
uint32_t flags
Definition: decode.h:516
Flow_
Flow data structure.
Definition: flow.h:360
Flow_::protomap
uint8_t protomap
Definition: flow.h:454
SigTableElmt_::flags
uint16_t flags
Definition: detect.h:1295
DetectEngineCtx_
main detection engine ctx
Definition: detect.h:841
DetectBufferTypeSupportsMultiInstance
void DetectBufferTypeSupportsMultiInstance(const char *name)
Definition: detect-engine.c:1041
DetectEngineCtxFree
void DetectEngineCtxFree(DetectEngineCtx *)
Free a DetectEngineCtx::
Definition: detect-engine.c:2597
KEYWORD_DOC
#define KEYWORD_DOC
Definition: detect-quic-cyu-hash.c:42
AppLayerParserThreadCtxFree
void AppLayerParserThreadCtxFree(AppLayerParserThreadCtx *tctx)
Destroys the app layer parser thread context obtained using AppLayerParserThreadCtxAlloc().
Definition: app-layer-parser.c:301
FLOW_PKT_TOSERVER
#define FLOW_PKT_TOSERVER
Definition: flow.h:232
rust.h
DE_QUIET
#define DE_QUIET
Definition: detect.h:323
mpm_default_matcher
uint8_t mpm_default_matcher
Definition: util-mpm.c:48
InspectionBuffer::flags
uint8_t flags
Definition: detect.h:378
SigMatchSignatures
void SigMatchSignatures(ThreadVars *tv, DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, Packet *p)
wrapper for old tests
Definition: detect.c:1926
DetectContentData_
Definition: detect-content.h:93
DetectEngineAppendSig
Signature * DetectEngineAppendSig(DetectEngineCtx *, const char *)
Parse and append a Signature into the Detection Engine Context signature list.
Definition: detect-parse.c:2587
Packet_::flowflags
uint8_t flowflags
Definition: decode.h:510
UTHBuildPacketReal
Packet * UTHBuildPacketReal(uint8_t *payload, uint16_t payload_len, uint8_t ipproto, const char *src, const char *dst, uint16_t sport, uint16_t dport)
UTHBuildPacketReal is a function that create tcp/udp packets for unittests specifying ip and port sou...
Definition: util-unittest-helper.c:260
SigTableElmt_::Setup
int(* Setup)(DetectEngineCtx *, Signature *, const char *)
Definition: detect.h:1286
FLOW_IPV4
#define FLOW_IPV4
Definition: flow.h:99
detect-engine-prefilter.h
util-unittest.h
util-unittest-helper.h
DetectBufferTypeGetByName
int DetectBufferTypeGetByName(const char *name)
Definition: detect-engine.c:1091
DetectAppLayerMultiRegister
void DetectAppLayerMultiRegister(const char *name, AppProto alproto, uint32_t dir, int progress, InspectionMultiBufferGetDataPtr GetData, int priority, int tx_min_progress)
Definition: detect-engine.c:2187
FLOW_INITIALIZE
#define FLOW_INITIALIZE(f)
Definition: flow-util.h:38
SIG_FLAG_TOSERVER
#define SIG_FLAG_TOSERVER
Definition: detect.h:267
InspectionBufferSetupMultiEmpty
void InspectionBufferSetupMultiEmpty(InspectionBuffer *buffer)
setup the buffer empty
Definition: detect-engine.c:1565
DetectBufferTypeRegisterValidateCallback
void DetectBufferTypeRegisterValidateCallback(const char *name, bool(*ValidateCallback)(const Signature *, const char **sigerror))
Definition: detect-engine.c:1303
PASS
#define PASS
Pass the test.
Definition: util-unittest.h:105
de_ctx
DetectEngineCtx * de_ctx
Definition: fuzz_siginit.c:17
DetectEngineThreadCtx_
Definition: detect.h:1090
alp_tctx
AppLayerParserThreadCtx * alp_tctx
Definition: fuzz_applayerparserparse.c:22
BUFFER_DESC
#define BUFFER_DESC
Definition: detect-quic-cyu-hash.c:44
SCEnter
#define SCEnter(...)
Definition: util-debug.h:271
detect-engine-mpm.h
detect.h
ThreadVars_
Per thread variable structure.
Definition: threadvars.h:57
SigMatch_::next
struct SigMatch_ * next
Definition: detect.h:353
DetectEngineCtx_::mpm_matcher
uint8_t mpm_matcher
Definition: detect.h:844
SCLogWarning
#define SCLogWarning(...)
Macro used to log WARNING messages.
Definition: util-debug.h:249
app-layer-parser.h
SigMatch_::ctx
SigMatchCtx * ctx
Definition: detect.h:352
SigGroupCleanup
int SigGroupCleanup(DetectEngineCtx *de_ctx)
Definition: detect-engine-build.c:2228
util-profiling.h
FlowGetProtoMapping
uint8_t FlowGetProtoMapping(uint8_t proto)
Function to map the protocol to the defined FLOW_PROTO_* enumeration.
Definition: flow-util.c:97
Packet_
Definition: decode.h:479
DETECT_AL_QUIC_CYU_HASH
@ DETECT_AL_QUIC_CYU_HASH
Definition: detect-engine-register.h:301
detect-engine-build.h
detect-engine-alert.h
DetectContentData_::flags
uint32_t flags
Definition: detect-content.h:104
Signature_::init_data
SignatureInitData * init_data
Definition: detect.h:670
SCReturnPtr
#define SCReturnPtr(x, type)
Definition: util-debug.h:287
SigGroupBuild
int SigGroupBuild(DetectEngineCtx *de_ctx)
Convert the signature list into the runtime match structure.
Definition: detect-engine-build.c:2161
AppLayerParserThreadCtxAlloc
AppLayerParserThreadCtx * AppLayerParserThreadCtxAlloc(void)
Gets a new app layer protocol's parser thread context.
Definition: app-layer-parser.c:280
detect-engine-content-inspection.h
detect-quic-cyu-hash.h
BUFFER_NAME
#define BUFFER_NAME
Definition: detect-quic-cyu-hash.c:43
Packet_::flow
struct Flow_ * flow
Definition: decode.h:518
DetectEngineThreadCtxInit
TmEcode DetectEngineThreadCtxInit(ThreadVars *, void *, void **)
initialize thread specific detection engine context
Definition: detect-engine.c:3312
DETECT_CI_FLAGS_SINGLE
#define DETECT_CI_FLAGS_SINGLE
Definition: detect-engine-content-inspection.h:49
flags
uint8_t flags
Definition: decode-gre.h:0
AppLayerParserParse
int AppLayerParserParse(ThreadVars *tv, AppLayerParserThreadCtx *alp_tctx, Flow *f, AppProto alproto, uint8_t flags, const uint8_t *input, uint32_t input_len)
Definition: app-layer-parser.c:1267
suricata-common.h
DetectEngineThreadCtxDeinit
TmEcode DetectEngineThreadCtxDeinit(ThreadVars *, void *)
Definition: detect-engine.c:3539
SigMatch_::type
uint16_t type
Definition: detect.h:350
DetectContentData_::content
uint8_t * content
Definition: detect-content.h:94
InspectionBufferSetupMulti
void InspectionBufferSetupMulti(InspectionBuffer *buffer, const DetectEngineTransforms *transforms, const uint8_t *data, const uint32_t data_len)
setup the buffer with our initial data
Definition: detect-engine.c:1578
tv
ThreadVars * tv
Definition: fuzz_decodepcapfile.c:32
SignatureInitData_::buffers
SignatureInitDataBuffer * buffers
Definition: detect.h:591
UTHFreePacket
void UTHFreePacket(Packet *p)
UTHFreePacket: function to release the allocated data from UTHBuildPacket and the packet itself.
Definition: util-unittest-helper.c:467
Flow_::alstate
void * alstate
Definition: flow.h:485
Signature_::id
uint32_t id
Definition: detect.h:636
Flow_::flags
uint32_t flags
Definition: flow.h:430
detect-parse.h
SignatureInitDataBuffer_::id
uint32_t id
Definition: detect.h:528
Signature_
Signature container.
Definition: detect.h:601
SigMatch_
a single match condition for a signature
Definition: detect.h:349
FAIL
#define FAIL
Fail a test.
Definition: util-unittest.h:60
DetectEngineCtxInit
DetectEngineCtx * DetectEngineCtxInit(void)
Definition: detect-engine.c:2558
DetectContentData_::content_len
uint16_t content_len
Definition: detect-content.h:95
InspectionBufferMultipleForListGet
InspectionBuffer * InspectionBufferMultipleForListGet(DetectEngineThreadCtx *det_ctx, const int list_id, const uint32_t local_id)
for a InspectionBufferMultipleForList get a InspectionBuffer
Definition: detect-engine.c:1518
SIGMATCH_NOOPT
#define SIGMATCH_NOOPT
Definition: detect.h:1485
DetectEngineCtx_::flags
uint8_t flags
Definition: detect.h:843
AppLayerParserThreadCtx_
Definition: app-layer-parser.c:59
KEYWORD_NAME
#define KEYWORD_NAME
Definition: detect-quic-cyu-hash.c:41
DetectBufferTypeSetDescriptionByName
void DetectBufferTypeSetDescriptionByName(const char *name, const char *desc)
Definition: detect-engine.c:1188
Flow_::alproto
AppProto alproto
application level protocol
Definition: flow.h:459
SignatureInitData_::buffer_index
uint32_t buffer_index
Definition: detect.h:592
FLOW_DESTROY
#define FLOW_DESTROY(f)
Definition: flow-util.h:121
SigTableElmt_::RegisterTests
void(* RegisterTests)(void)
Definition: detect.h:1293