suricata
detect-quic-cyu-string.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.string sticky buffer
21  */
22 
23 #include "suricata-common.h"
24 #include "detect.h"
25 #include "detect-parse.h"
26 #include "detect-engine.h"
27 #include "detect-engine-buffer.h"
28 #include "detect-engine-mpm.h"
29 #include "detect-engine-prefilter.h"
30 #include "detect-engine-content-inspection.h"
31 #include "detect-quic-cyu-string.h"
32 #include "detect-engine-build.h"
33 #include "rust.h"
34 #include "util-profiling.h"
35 
36 #ifdef UNITTESTS
37 static void DetectQuicCyuStringRegisterTests(void);
38 #endif
39 
40 #define KEYWORD_NAME "quic.cyu.string"
41 #define KEYWORD_DOC "quic-cyu.html#quic-cyu-string"
42 #define BUFFER_NAME "quic.cyu.string"
43 #define BUFFER_DESC "QUIC CYU String"
44 static int g_buffer_id = 0;
45 
46 static int DetectQuicCyuStringSetup(DetectEngineCtx *de_ctx, Signature *s, const char *arg)
47 {
48  if (SCDetectBufferSetActiveList(de_ctx, s, g_buffer_id) < 0)
49  return -1;
50 
51  if (SCDetectSignatureSetAppProto(s, ALPROTO_QUIC) < 0)
52  return -1;
53 
54  return 0;
55 }
56 
57 void DetectQuicCyuStringRegister(void)
58 {
59  /* quic.cyu.string sticky buffer */
60  sigmatch_table[DETECT_QUIC_CYU_STRING].name = KEYWORD_NAME;
61  sigmatch_table[DETECT_QUIC_CYU_STRING].desc = "sticky buffer to match on the QUIC CYU string";
62  sigmatch_table[DETECT_QUIC_CYU_STRING].url = "/rules/" KEYWORD_DOC;
63  sigmatch_table[DETECT_QUIC_CYU_STRING].Setup = DetectQuicCyuStringSetup;
64  sigmatch_table[DETECT_QUIC_CYU_STRING].flags =
65  SIGMATCH_NOOPT | SIGMATCH_INFO_STICKY_BUFFER | SIGMATCH_INFO_MULTI_BUFFER;
66 #ifdef UNITTESTS
67  sigmatch_table[DETECT_QUIC_CYU_STRING].RegisterTests = DetectQuicCyuStringRegisterTests;
68 #endif
69 
70  DetectAppLayerMultiRegister(
71  BUFFER_NAME, ALPROTO_QUIC, SIG_FLAG_TOSERVER, 1, SCQuicTxGetCyuString, 2);
72 
73  DetectBufferTypeSetDescriptionByName(BUFFER_NAME, BUFFER_DESC);
74 
75  g_buffer_id = DetectBufferTypeGetByName(BUFFER_NAME);
76 
77  DetectBufferTypeSupportsMultiInstance(BUFFER_NAME);
78 
79  SCLogDebug("registering " BUFFER_NAME " rule option");
80 }
81 
82 #ifdef UNITTESTS
83 #include "app-layer-parser.h"
84 #include "util-unittest.h"
85 #include "util-unittest-helper.h"
86 #include "flow-util.h"
87 #include "detect-engine-alert.h"
88 
89 /**
90  * \test DetectQuicCyuStringTest01 is a test for a valid quic packet, matching
91  * on the cyu string
92  *
93  * \retval 1 on success
94  * \retval 0 on failure
95  */
96 static int DetectQuicCyuStringTest01(void)
97 {
98  /* quic packet */
99  uint8_t buf[] = { 0xc3, 0x51, 0x30, 0x34, 0x36, 0x50, 0x76, 0xd8, 0x63, 0xb7, 0x54, 0xf7, 0xab,
100  0x32, 0x00, 0x00, 0x00, 0x01, 0x54, 0xfd, 0xf4, 0x79, 0x48, 0x76, 0xd0, 0x87, 0x58, 0x8d,
101  0x26, 0x8f, 0xa0, 0x01, 0x04, 0x00, 0x43, 0x48, 0x4c, 0x4f, 0x11, 0x00, 0x00, 0x00, 0x50,
102  0x41, 0x44, 0x00, 0xe4, 0x02, 0x00, 0x00, 0x53, 0x4e, 0x49, 0x00, 0xf7, 0x02, 0x00, 0x00,
103  0x56, 0x45, 0x52, 0x00, 0xfb, 0x02, 0x00, 0x00, 0x43, 0x43, 0x53, 0x00, 0x0b, 0x03, 0x00,
104  0x00, 0x55, 0x41, 0x49, 0x44, 0x2c, 0x03, 0x00, 0x00, 0x54, 0x43, 0x49, 0x44, 0x30, 0x03,
105  0x00, 0x00, 0x50, 0x44, 0x4d, 0x44, 0x34, 0x03, 0x00, 0x00, 0x53, 0x4d, 0x48, 0x4c, 0x38,
106  0x03, 0x00, 0x00, 0x49, 0x43, 0x53, 0x4c, 0x3c, 0x03, 0x00, 0x00, 0x4e, 0x4f, 0x4e, 0x50,
107  0x5c, 0x03, 0x00, 0x00, 0x4d, 0x49, 0x44, 0x53, 0x60, 0x03, 0x00, 0x00, 0x53, 0x43, 0x4c,
108  0x53, 0x64, 0x03, 0x00, 0x00, 0x43, 0x53, 0x43, 0x54, 0x64, 0x03, 0x00, 0x00, 0x43, 0x4f,
109  0x50, 0x54, 0x64, 0x03, 0x00, 0x00, 0x49, 0x52, 0x54, 0x54, 0x68, 0x03, 0x00, 0x00, 0x43,
110  0x46, 0x43, 0x57, 0x6c, 0x03, 0x00, 0x00, 0x53, 0x46, 0x43, 0x57, 0x70, 0x03, 0x00, 0x00,
111  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
112  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
113  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
114  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
115  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
116  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
117  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
118  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
119  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
120  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
121  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
122  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
123  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
124  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
125  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
126  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
127  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
128  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
129  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
130  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
131  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
132  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
133  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
134  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
135  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
136  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
137  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
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, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x73, 0x31, 0x2e, 0x67,
161  0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x51, 0x30, 0x34, 0x36, 0x01, 0xe8,
162  0x81, 0x60, 0x92, 0x92, 0x1a, 0xe8, 0x7e, 0xed, 0x80, 0x86, 0xa2, 0x15, 0x82, 0x91, 0x43,
163  0x68, 0x72, 0x6f, 0x6d, 0x65, 0x2f, 0x37, 0x39, 0x2e, 0x30, 0x2e, 0x33, 0x39, 0x34, 0x35,
164  0x2e, 0x31, 0x31, 0x37, 0x20, 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20, 0x78, 0x38, 0x36, 0x5f,
165  0x36, 0x34, 0x00, 0x00, 0x00, 0x00, 0x58, 0x35, 0x30, 0x39, 0x01, 0x00, 0x00, 0x00, 0x1e,
166  0x00, 0x00, 0x00, 0x82, 0x88, 0x09, 0x00, 0xfa, 0x0f, 0xde, 0xb7, 0x2e, 0x7e, 0x6c, 0x78,
167  0xcc, 0x09, 0x65, 0xab, 0x06, 0x0c, 0x31, 0x05, 0xfa, 0xd9, 0xa2, 0x0b, 0xdd, 0x74, 0x5c,
168  0x28, 0xdf, 0x7b, 0x74, 0x23, 0x64, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x1d, 0x43,
169  0x00, 0x00, 0x00, 0x00, 0xf0, 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
170  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
171  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
172  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
173  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
174  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
175  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
176  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
177  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
178  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
179  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
180  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
181  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
182  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
183  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
184  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
185  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
186  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
187  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
188  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
189  0x00, 0x00 };
190 
191  Flow f;
192  void *quic_state = NULL;
193  Packet *p = NULL;
194  Signature *s = NULL;
195  ThreadVars tv;
196  DetectEngineThreadCtx *det_ctx = NULL;
197  AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
198 
199  memset(&tv, 0, sizeof(ThreadVars));
200  memset(&f, 0, sizeof(Flow));
201 
202  p = UTHBuildPacketReal(buf, sizeof(buf), IPPROTO_UDP, "192.168.1.5", "192.168.1.1", 41424, 443);
203 
204  FLOW_INITIALIZE(&f);
205  f.flags |= FLOW_IPV4;
206  f.proto = IPPROTO_UDP;
207  f.protomap = FlowGetProtoMapping(f.proto);
208 
209  p->flow = &f;
210  p->flags |= PKT_HAS_FLOW;
211  p->flowflags |= FLOW_PKT_TOSERVER;
212  f.alproto = ALPROTO_QUIC;
213 
214  DetectEngineCtx *de_ctx = DetectEngineCtxInit();
215  FAIL_IF_NULL(de_ctx);
216  de_ctx->mpm_matcher = mpm_default_matcher;
217  de_ctx->flags |= DE_QUIET;
218 
219  s = DetectEngineAppendSig(de_ctx, "alert quic any any -> any any "
220  "(msg:\"Test QUIC CYU string\"; "
221  "quic.cyu.string; "
222  "content:\"46,PAD-SNI-VER-CCS-UAID-TCID-PDMD-SMHL-ICSL-NONP-"
223  "MIDS-SCLS-CSCT-COPT-IRTT-CFCW-SFCW\"; "
224  "sid:1;)");
225  FAIL_IF_NULL(s);
226 
227  SigGroupBuild(de_ctx);
228  DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);
229 
230  int r = AppLayerParserParse(
231  NULL, alp_tctx, &f, ALPROTO_QUIC, STREAM_TOSERVER, buf, sizeof(buf));
232  if (r != 0) {
233  printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
234  FAIL;
235  }
236 
237  quic_state = f.alstate;
238  FAIL_IF_NULL(quic_state);
239 
240  /* do detect */
241  SigMatchSignatures(&tv, de_ctx, det_ctx, p);
242 
243  if (!(PacketAlertCheck(p, 1))) {
244  printf("sig 1 didn't alert, but it should have: ");
245  FAIL;
246  }
247 
248  if (alp_tctx != NULL)
249  AppLayerParserThreadCtxFree(alp_tctx);
250  if (det_ctx != NULL)
251  DetectEngineThreadCtxDeinit(&tv, det_ctx);
252  if (de_ctx != NULL)
253  SigGroupCleanup(de_ctx);
254  if (de_ctx != NULL)
255  DetectEngineCtxFree(de_ctx);
256 
257  FLOW_DESTROY(&f);
258  UTHFreePacket(p);
259  StatsThreadCleanup(&tv);
260  PASS;
261 }
262 
263 /**
264  * \brief this function registers unit tests for Quic Cyu String
265  */
266 static void DetectQuicCyuStringRegisterTests(void)
267 {
268  UtRegisterTest("DetectQuicCyuStringTest01", DetectQuicCyuStringTest01);
269 }
270 
271 #endif /* UNITTESTS */
SigTableElmt_::url
const char * url
Definition: detect.h:1460
detect-quic-cyu-string.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
SIGMATCH_INFO_STICKY_BUFFER
#define SIGMATCH_INFO_STICKY_BUFFER
Definition: detect.h:1674
SigTableElmt_::desc
const char * desc
Definition: detect.h:1459
sigmatch_table
SigTableElmt * sigmatch_table
Definition: detect-parse.c:79
PKT_HAS_FLOW
#define PKT_HAS_FLOW
Definition: decode.h:1268
flow-util.h
SigTableElmt_::name
const char * name
Definition: detect.h:1457
KEYWORD_DOC
#define KEYWORD_DOC
Definition: detect-quic-cyu-string.c:41
UtRegisterTest
void UtRegisterTest(const char *name, int(*TestFn)(void))
Register unit test.
Definition: util-unittest.c:103
SigTableElmt_::flags
uint32_t flags
Definition: detect.h:1448
SCLogDebug
#define SCLogDebug(...)
Definition: util-debug.h:279
Flow_::proto
uint8_t proto
Definition: flow.h:370
ALPROTO_QUIC
@ ALPROTO_QUIC
Definition: app-layer-protos.h:57
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:142
Packet_::flags
uint32_t flags
Definition: decode.h:544
KEYWORD_NAME
#define KEYWORD_NAME
Definition: detect-quic-cyu-string.c:40
Flow_
Flow data structure.
Definition: flow.h:348
Flow_::protomap
uint8_t protomap
Definition: flow.h:437
DetectEngineCtx_
main detection engine ctx
Definition: detect.h:932
DetectBufferTypeSupportsMultiInstance
void DetectBufferTypeSupportsMultiInstance(const char *name)
Definition: detect-engine.c:1228
DetectEngineCtxFree
void DetectEngineCtxFree(DetectEngineCtx *)
Free a DetectEngineCtx::
Definition: detect-engine.c:2633
AppLayerParserThreadCtxFree
void AppLayerParserThreadCtxFree(AppLayerParserThreadCtx *tctx)
Destroys the app layer parser thread context obtained using AppLayerParserThreadCtxAlloc().
Definition: app-layer-parser.c:324
FLOW_PKT_TOSERVER
#define FLOW_PKT_TOSERVER
Definition: flow.h:225
rust.h
DE_QUIET
#define DE_QUIET
Definition: detect.h:330
mpm_default_matcher
uint8_t mpm_default_matcher
Definition: util-mpm.c:48
SigMatchSignatures
void SigMatchSignatures(ThreadVars *tv, DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, Packet *p)
wrapper for old tests
Definition: detect.c:2416
SCDetectBufferSetActiveList
int SCDetectBufferSetActiveList(DetectEngineCtx *de_ctx, Signature *s, const int list)
Definition: detect-engine-buffer.c:29
SCDetectSignatureSetAppProto
int SCDetectSignatureSetAppProto(Signature *s, AppProto alproto)
Definition: detect-parse.c:2229
DetectEngineAppendSig
Signature * DetectEngineAppendSig(DetectEngineCtx *, const char *)
Parse and append a Signature into the Detection Engine Context signature list.
Definition: detect-parse.c:3439
Packet_::flowflags
uint8_t flowflags
Definition: decode.h:532
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:1439
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:1278
FLOW_INITIALIZE
#define FLOW_INITIALIZE(f)
Definition: flow-util.h:38
SIG_FLAG_TOSERVER
#define SIG_FLAG_TOSERVER
Definition: detect.h:271
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:1244
alp_tctx
AppLayerParserThreadCtx * alp_tctx
Definition: fuzz_applayerparserparse.c:23
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:3360
DetectEngineCtx_::mpm_matcher
uint8_t mpm_matcher
Definition: detect.h:935
app-layer-parser.h
SigGroupCleanup
int SigGroupCleanup(DetectEngineCtx *de_ctx)
Definition: detect-engine-build.c:2265
util-profiling.h
DETECT_QUIC_CYU_STRING
@ DETECT_QUIC_CYU_STRING
Definition: detect-engine-register.h:297
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:501
detect-engine-build.h
detect-engine-alert.h
BUFFER_DESC
#define BUFFER_DESC
Definition: detect-quic-cyu-string.c:43
SigGroupBuild
int SigGroupBuild(DetectEngineCtx *de_ctx)
Convert the signature list into the runtime match structure.
Definition: detect-engine-build.c:2194
AppLayerParserThreadCtxAlloc
AppLayerParserThreadCtx * AppLayerParserThreadCtxAlloc(void)
Gets a new app layer protocol's parser thread context.
Definition: app-layer-parser.c:297
detect-engine-content-inspection.h
Packet_::flow
struct Flow_ * flow
Definition: decode.h:546
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:1291
suricata-common.h
DetectEngineThreadCtxDeinit
TmEcode DetectEngineThreadCtxDeinit(ThreadVars *tv, void *data)
Definition: detect-engine.c:3592
detect-engine-buffer.h
tv
ThreadVars * tv
Definition: fuzz_decodepcapfile.c:32
SIGMATCH_INFO_MULTI_BUFFER
#define SIGMATCH_INFO_MULTI_BUFFER
Definition: detect.h:1684
BUFFER_NAME
#define BUFFER_NAME
Definition: detect-quic-cyu-string.c:42
DetectQuicCyuStringRegister
void DetectQuicCyuStringRegister(void)
Definition: detect-quic-cyu-string.c:57
UTHFreePacket
void UTHFreePacket(Packet *p)
UTHFreePacket: function to release the allocated data from UTHBuildPacket and the packet itself.
Definition: util-unittest-helper.c:473
Flow_::alstate
void * alstate
Definition: flow.h:471
Flow_::flags
uint32_t flags
Definition: flow.h:413
detect-parse.h
Signature_
Signature container.
Definition: detect.h:668
FAIL
#define FAIL
Fail a test.
Definition: util-unittest.h:60
DetectEngineCtxInit
DetectEngineCtx * DetectEngineCtxInit(void)
Definition: detect-engine.c:2594
SIGMATCH_NOOPT
#define SIGMATCH_NOOPT
Definition: detect.h:1649
DetectEngineCtx_::flags
uint8_t flags
Definition: detect.h:934
AppLayerParserThreadCtx_
Definition: app-layer-parser.c:60
DetectBufferTypeSetDescriptionByName
void DetectBufferTypeSetDescriptionByName(const char *name, const char *desc)
Definition: detect-engine.c:1375
DetectAppLayerMultiRegister
void DetectAppLayerMultiRegister(const char *name, AppProto alproto, uint32_t dir, int progress, InspectionMultiBufferGetDataPtr GetData, int priority)
Definition: detect-engine.c:2099
Flow_::alproto
AppProto alproto
application level protocol
Definition: flow.h:442
StatsThreadCleanup
void StatsThreadCleanup(ThreadVars *tv)
Definition: counters.c:1324
FLOW_DESTROY
#define FLOW_DESTROY(f)
Definition: flow-util.h:119
SigTableElmt_::RegisterTests
void(* RegisterTests)(void)
Definition: detect.h:1446