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(det_ctx, buffer, transforms, data, data_len);
80  buffer->flags = DETECT_CI_FLAGS_SINGLE;
81 
82  SCReturnPtr(buffer, "InspectionBuffer");
83 }
84 
85 void DetectQuicCyuHashRegister(void)
86 {
87  /* quic.cyu.hash sticky buffer */
88  sigmatch_table[DETECT_QUIC_CYU_HASH].name = KEYWORD_NAME;
89  sigmatch_table[DETECT_QUIC_CYU_HASH].desc = "sticky buffer to match on the QUIC CYU hash";
90  sigmatch_table[DETECT_QUIC_CYU_HASH].url = "/rules/" KEYWORD_DOC;
91  sigmatch_table[DETECT_QUIC_CYU_HASH].Setup = DetectQuicCyuHashSetup;
92  sigmatch_table[DETECT_QUIC_CYU_HASH].flags |= SIGMATCH_NOOPT;
93 #ifdef UNITTESTS
94  sigmatch_table[DETECT_QUIC_CYU_HASH].RegisterTests = DetectQuicCyuHashRegisterTests;
95 #endif
96 
97  DetectAppLayerMultiRegister(
98  BUFFER_NAME, ALPROTO_QUIC, SIG_FLAG_TOSERVER, 0, QuicHashGetData, 2, 1);
99 
100  DetectBufferTypeSetDescriptionByName(BUFFER_NAME, BUFFER_DESC);
101 
102  g_buffer_id = DetectBufferTypeGetByName(BUFFER_NAME);
103 
104  DetectBufferTypeRegisterValidateCallback(BUFFER_NAME, DetectMd5ValidateCallback);
105 
106  DetectBufferTypeSupportsMultiInstance(BUFFER_NAME);
107 }
108 
109 #ifdef UNITTESTS
110 #include "app-layer-parser.h"
111 #include "util-unittest.h"
112 #include "util-unittest-helper.h"
113 #include "flow-util.h"
114 #include "detect-engine-alert.h"
115 
116 /**
117  * \test DetectQuicCyuHashTest01 is a test for a valid quic packet, matching
118  * on the cyu hash
119  *
120  * \retval 1 on success
121  * \retval 0 on failure
122  */
123 static int DetectQuicCyuHashTest01(void)
124 {
125  /* quic packet */
126  uint8_t buf[] = { 0xc3, 0x51, 0x30, 0x34, 0x36, 0x50, 0x76, 0xd8, 0x63, 0xb7, 0x54, 0xf7, 0xab,
127  0x32, 0x00, 0x00, 0x00, 0x01, 0x54, 0xfd, 0xf4, 0x79, 0x48, 0x76, 0xd0, 0x87, 0x58, 0x8d,
128  0x26, 0x8f, 0xa0, 0x01, 0x04, 0x00, 0x43, 0x48, 0x4c, 0x4f, 0x11, 0x00, 0x00, 0x00, 0x50,
129  0x41, 0x44, 0x00, 0xe4, 0x02, 0x00, 0x00, 0x53, 0x4e, 0x49, 0x00, 0xf7, 0x02, 0x00, 0x00,
130  0x56, 0x45, 0x52, 0x00, 0xfb, 0x02, 0x00, 0x00, 0x43, 0x43, 0x53, 0x00, 0x0b, 0x03, 0x00,
131  0x00, 0x55, 0x41, 0x49, 0x44, 0x2c, 0x03, 0x00, 0x00, 0x54, 0x43, 0x49, 0x44, 0x30, 0x03,
132  0x00, 0x00, 0x50, 0x44, 0x4d, 0x44, 0x34, 0x03, 0x00, 0x00, 0x53, 0x4d, 0x48, 0x4c, 0x38,
133  0x03, 0x00, 0x00, 0x49, 0x43, 0x53, 0x4c, 0x3c, 0x03, 0x00, 0x00, 0x4e, 0x4f, 0x4e, 0x50,
134  0x5c, 0x03, 0x00, 0x00, 0x4d, 0x49, 0x44, 0x53, 0x60, 0x03, 0x00, 0x00, 0x53, 0x43, 0x4c,
135  0x53, 0x64, 0x03, 0x00, 0x00, 0x43, 0x53, 0x43, 0x54, 0x64, 0x03, 0x00, 0x00, 0x43, 0x4f,
136  0x50, 0x54, 0x64, 0x03, 0x00, 0x00, 0x49, 0x52, 0x54, 0x54, 0x68, 0x03, 0x00, 0x00, 0x43,
137  0x46, 0x43, 0x57, 0x6c, 0x03, 0x00, 0x00, 0x53, 0x46, 0x43, 0x57, 0x70, 0x03, 0x00, 0x00,
138  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
139  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
140  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
141  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
142  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
143  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
144  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
145  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
146  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
147  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
148  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
149  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
150  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
151  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
152  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
153  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
154  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
155  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
156  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
157  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
158  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
159  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
160  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
161  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
162  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
163  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
164  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
165  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
166  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
167  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
168  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
169  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
170  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
171  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
172  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
173  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
174  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
175  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
176  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
177  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
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, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x73, 0x31, 0x2e, 0x67,
188  0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x51, 0x30, 0x34, 0x36, 0x01, 0xe8,
189  0x81, 0x60, 0x92, 0x92, 0x1a, 0xe8, 0x7e, 0xed, 0x80, 0x86, 0xa2, 0x15, 0x82, 0x91, 0x43,
190  0x68, 0x72, 0x6f, 0x6d, 0x65, 0x2f, 0x37, 0x39, 0x2e, 0x30, 0x2e, 0x33, 0x39, 0x34, 0x35,
191  0x2e, 0x31, 0x31, 0x37, 0x20, 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20, 0x78, 0x38, 0x36, 0x5f,
192  0x36, 0x34, 0x00, 0x00, 0x00, 0x00, 0x58, 0x35, 0x30, 0x39, 0x01, 0x00, 0x00, 0x00, 0x1e,
193  0x00, 0x00, 0x00, 0x82, 0x88, 0x09, 0x00, 0xfa, 0x0f, 0xde, 0xb7, 0x2e, 0x7e, 0x6c, 0x78,
194  0xcc, 0x09, 0x65, 0xab, 0x06, 0x0c, 0x31, 0x05, 0xfa, 0xd9, 0xa2, 0x0b, 0xdd, 0x74, 0x5c,
195  0x28, 0xdf, 0x7b, 0x74, 0x23, 0x64, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x1d, 0x43,
196  0x00, 0x00, 0x00, 0x00, 0xf0, 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
197  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
198  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
199  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
200  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
201  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
202  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
203  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
204  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
205  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
206  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
207  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
208  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
209  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
210  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
211  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
212  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
213  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
214  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
215  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
216  0x00, 0x00 };
217 
218  Flow f;
219  void *quic_state = NULL;
220  Packet *p = NULL;
221  Signature *s = NULL;
222  ThreadVars tv;
223  DetectEngineThreadCtx *det_ctx = NULL;
224  AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
225 
226  memset(&tv, 0, sizeof(ThreadVars));
227  memset(&f, 0, sizeof(Flow));
228 
229  p = UTHBuildPacketReal(buf, sizeof(buf), IPPROTO_UDP, "192.168.1.5", "192.168.1.1", 41424, 443);
230 
231  FLOW_INITIALIZE(&f);
232  f.flags |= FLOW_IPV4;
233  f.proto = IPPROTO_UDP;
234  f.protomap = FlowGetProtoMapping(f.proto);
235 
236  p->flow = &f;
237  p->flags |= PKT_HAS_FLOW;
238  p->flowflags |= FLOW_PKT_TOSERVER;
239  f.alproto = ALPROTO_QUIC;
240 
241  DetectEngineCtx *de_ctx = DetectEngineCtxInit();
242  FAIL_IF_NULL(de_ctx);
243  de_ctx->mpm_matcher = mpm_default_matcher;
244  de_ctx->flags |= DE_QUIET;
245 
246  s = DetectEngineAppendSig(de_ctx,
247  "alert quic any any -> any any "
248  "(msg:\"Test QUIC CYU hash\"; "
249  "quic.cyu.hash; content:\"910a5e3a4d51593bd59a44611544f209\"; "
250  "sid:1;)");
251  FAIL_IF_NULL(s);
252 
253  SigGroupBuild(de_ctx);
254  DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);
255 
256  int r = AppLayerParserParse(
257  NULL, alp_tctx, &f, ALPROTO_QUIC, STREAM_TOSERVER, buf, sizeof(buf));
258  if (r != 0) {
259  printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
260  FAIL;
261  }
262 
263  quic_state = f.alstate;
264  FAIL_IF_NULL(quic_state);
265 
266  /* do detect */
267  SigMatchSignatures(&tv, de_ctx, det_ctx, p);
268 
269  if (!(PacketAlertCheck(p, 1))) {
270  printf("sig 1 didn't alert, but it should have: ");
271  FAIL;
272  }
273 
274  if (alp_tctx != NULL)
275  AppLayerParserThreadCtxFree(alp_tctx);
276  if (det_ctx != NULL)
277  DetectEngineThreadCtxDeinit(&tv, det_ctx);
278  if (de_ctx != NULL)
279  SigGroupCleanup(de_ctx);
280  if (de_ctx != NULL)
281  DetectEngineCtxFree(de_ctx);
282 
283  FLOW_DESTROY(&f);
284  UTHFreePacket(p);
285  PASS;
286 }
287 
288 static void DetectQuicCyuHashRegisterTests(void)
289 {
290  UtRegisterTest("DetectQuicCyuHashTest01", DetectQuicCyuHashTest01);
291 }
292 
293 #endif /* UNITTESTS */
SigTableElmt_::url
const char * url
Definition: detect.h:1405
DetectSignatureSetAppProto
int DetectSignatureSetAppProto(Signature *s, AppProto alproto)
Definition: detect-parse.c:2218
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:1404
sigmatch_table
SigTableElmt * sigmatch_table
Definition: detect-parse.c:155
PKT_HAS_FLOW
#define PKT_HAS_FLOW
Definition: decode.h:1242
flow-util.h
SigTableElmt_::name
const char * name
Definition: detect.h:1402
InspectionBuffer::initialized
bool initialized
Definition: detect.h:384
DetectQuicCyuHashRegister
void DetectQuicCyuHashRegister(void)
Definition: detect-quic-cyu-hash.c:85
DetectEngineTransforms
Definition: detect.h:415
UtRegisterTest
void UtRegisterTest(const char *name, int(*TestFn)(void))
Register unit test.
Definition: util-unittest.c:103
Flow_::proto
uint8_t proto
Definition: flow.h:378
ALPROTO_QUIC
@ ALPROTO_QUIC
Definition: app-layer-protos.h:57
DetectBufferSetActiveList
int DetectBufferSetActiveList(DetectEngineCtx *de_ctx, Signature *s, const int list)
Definition: detect-engine.c:1422
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:380
Packet_::flags
uint32_t flags
Definition: decode.h:527
Flow_
Flow data structure.
Definition: flow.h:356
Flow_::protomap
uint8_t protomap
Definition: flow.h:445
SigTableElmt_::flags
uint16_t flags
Definition: detect.h:1396
DetectEngineCtx_
main detection engine ctx
Definition: detect.h:920
DetectBufferTypeRegisterValidateCallback
void DetectBufferTypeRegisterValidateCallback(const char *name, bool(*ValidateCallback)(const Signature *, const char **sigerror, const DetectBufferType *))
Definition: detect-engine.c:1369
DetectBufferTypeSupportsMultiInstance
void DetectBufferTypeSupportsMultiInstance(const char *name)
Definition: detect-engine.c:1107
DetectEngineCtxFree
void DetectEngineCtxFree(DetectEngineCtx *)
Free a DetectEngineCtx::
Definition: detect-engine.c:2799
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:322
FLOW_PKT_TOSERVER
#define FLOW_PKT_TOSERVER
Definition: flow.h:233
rust.h
DE_QUIET
#define DE_QUIET
Definition: detect.h:329
mpm_default_matcher
uint8_t mpm_default_matcher
Definition: util-mpm.c:48
InspectionBuffer::flags
uint8_t flags
Definition: detect.h:385
SigMatchSignatures
void SigMatchSignatures(ThreadVars *tv, DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, Packet *p)
wrapper for old tests
Definition: detect.c:2319
DetectEngineAppendSig
Signature * DetectEngineAppendSig(DetectEngineCtx *, const char *)
Parse and append a Signature into the Detection Engine Context signature list.
Definition: detect-parse.c:3344
Packet_::flowflags
uint8_t flowflags
Definition: decode.h:515
DetectMd5ValidateCallback
bool DetectMd5ValidateCallback(const Signature *s, const char **sigerror, const DetectBufferType *map)
Definition: detect-engine.c:5156
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:1387
FLOW_IPV4
#define FLOW_IPV4
Definition: flow.h:100
detect-engine-prefilter.h
util-unittest.h
util-unittest-helper.h
DetectBufferTypeGetByName
int DetectBufferTypeGetByName(const char *name)
Definition: detect-engine.c:1157
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:2302
FLOW_INITIALIZE
#define FLOW_INITIALIZE(f)
Definition: flow-util.h:38
SIG_FLAG_TOSERVER
#define SIG_FLAG_TOSERVER
Definition: detect.h:270
InspectionBufferSetupMultiEmpty
void InspectionBufferSetupMultiEmpty(InspectionBuffer *buffer)
setup the buffer empty
Definition: detect-engine.c:1666
PASS
#define PASS
Pass the test.
Definition: util-unittest.h:105
de_ctx
DetectEngineCtx * de_ctx
Definition: fuzz_siginit.c:18
DetectEngineThreadCtx_
Definition: detect.h:1197
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:58
DetectEngineThreadCtxInit
TmEcode DetectEngineThreadCtxInit(ThreadVars *tv, void *initdata, void **data)
initialize thread specific detection engine context
Definition: detect-engine.c:3525
DetectEngineCtx_::mpm_matcher
uint8_t mpm_matcher
Definition: detect.h:923
DETECT_QUIC_CYU_HASH
@ DETECT_QUIC_CYU_HASH
Definition: detect-engine-register.h:300
app-layer-parser.h
SigGroupCleanup
int SigGroupCleanup(DetectEngineCtx *de_ctx)
Definition: detect-engine-build.c:2200
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:99
Packet_
Definition: decode.h:484
detect-engine-build.h
detect-engine-alert.h
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:2129
AppLayerParserThreadCtxAlloc
AppLayerParserThreadCtx * AppLayerParserThreadCtxAlloc(void)
Gets a new app layer protocol's parser thread context.
Definition: app-layer-parser.c:295
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:529
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:1300
suricata-common.h
DetectEngineThreadCtxDeinit
TmEcode DetectEngineThreadCtxDeinit(ThreadVars *tv, void *data)
Definition: detect-engine.c:3751
tv
ThreadVars * tv
Definition: fuzz_decodepcapfile.c:32
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:479
Flow_::flags
uint32_t flags
Definition: flow.h:421
detect-parse.h
Signature_
Signature container.
Definition: detect.h:669
FAIL
#define FAIL
Fail a test.
Definition: util-unittest.h:60
DetectEngineCtxInit
DetectEngineCtx * DetectEngineCtxInit(void)
Definition: detect-engine.c:2760
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:1598
SIGMATCH_NOOPT
#define SIGMATCH_NOOPT
Definition: detect.h:1592
DetectEngineCtx_::flags
uint8_t flags
Definition: detect.h:922
AppLayerParserThreadCtx_
Definition: app-layer-parser.c:58
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:1254
Flow_::alproto
AppProto alproto
application level protocol
Definition: flow.h:450
InspectionBufferSetupMulti
void InspectionBufferSetupMulti(DetectEngineThreadCtx *det_ctx, 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:1679
FLOW_DESTROY
#define FLOW_DESTROY(f)
Definition: flow-util.h:119
SigTableElmt_::RegisterTests
void(* RegisterTests)(void)
Definition: detect.h:1394