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 (DetectSignatureSetAppProto(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 |= SIGMATCH_NOOPT;
65 #ifdef UNITTESTS
66  sigmatch_table[DETECT_QUIC_CYU_STRING].RegisterTests = DetectQuicCyuStringRegisterTests;
67 #endif
68 
69  DetectAppLayerMultiRegister(
70  BUFFER_NAME, ALPROTO_QUIC, SIG_FLAG_TOSERVER, 1, SCQuicTxGetCyuString, 2);
71 
72  DetectBufferTypeSetDescriptionByName(BUFFER_NAME, BUFFER_DESC);
73 
74  g_buffer_id = DetectBufferTypeGetByName(BUFFER_NAME);
75 
76  DetectBufferTypeSupportsMultiInstance(BUFFER_NAME);
77 
78  SCLogDebug("registering " BUFFER_NAME " rule option");
79 }
80 
81 #ifdef UNITTESTS
82 #include "app-layer-parser.h"
83 #include "util-unittest.h"
84 #include "util-unittest-helper.h"
85 #include "flow-util.h"
86 #include "detect-engine-alert.h"
87 
88 /**
89  * \test DetectQuicCyuStringTest01 is a test for a valid quic packet, matching
90  * on the cyu string
91  *
92  * \retval 1 on success
93  * \retval 0 on failure
94  */
95 static int DetectQuicCyuStringTest01(void)
96 {
97  /* quic packet */
98  uint8_t buf[] = { 0xc3, 0x51, 0x30, 0x34, 0x36, 0x50, 0x76, 0xd8, 0x63, 0xb7, 0x54, 0xf7, 0xab,
99  0x32, 0x00, 0x00, 0x00, 0x01, 0x54, 0xfd, 0xf4, 0x79, 0x48, 0x76, 0xd0, 0x87, 0x58, 0x8d,
100  0x26, 0x8f, 0xa0, 0x01, 0x04, 0x00, 0x43, 0x48, 0x4c, 0x4f, 0x11, 0x00, 0x00, 0x00, 0x50,
101  0x41, 0x44, 0x00, 0xe4, 0x02, 0x00, 0x00, 0x53, 0x4e, 0x49, 0x00, 0xf7, 0x02, 0x00, 0x00,
102  0x56, 0x45, 0x52, 0x00, 0xfb, 0x02, 0x00, 0x00, 0x43, 0x43, 0x53, 0x00, 0x0b, 0x03, 0x00,
103  0x00, 0x55, 0x41, 0x49, 0x44, 0x2c, 0x03, 0x00, 0x00, 0x54, 0x43, 0x49, 0x44, 0x30, 0x03,
104  0x00, 0x00, 0x50, 0x44, 0x4d, 0x44, 0x34, 0x03, 0x00, 0x00, 0x53, 0x4d, 0x48, 0x4c, 0x38,
105  0x03, 0x00, 0x00, 0x49, 0x43, 0x53, 0x4c, 0x3c, 0x03, 0x00, 0x00, 0x4e, 0x4f, 0x4e, 0x50,
106  0x5c, 0x03, 0x00, 0x00, 0x4d, 0x49, 0x44, 0x53, 0x60, 0x03, 0x00, 0x00, 0x53, 0x43, 0x4c,
107  0x53, 0x64, 0x03, 0x00, 0x00, 0x43, 0x53, 0x43, 0x54, 0x64, 0x03, 0x00, 0x00, 0x43, 0x4f,
108  0x50, 0x54, 0x64, 0x03, 0x00, 0x00, 0x49, 0x52, 0x54, 0x54, 0x68, 0x03, 0x00, 0x00, 0x43,
109  0x46, 0x43, 0x57, 0x6c, 0x03, 0x00, 0x00, 0x53, 0x46, 0x43, 0x57, 0x70, 0x03, 0x00, 0x00,
110  0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x2d,
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, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x73, 0x31, 0x2e, 0x67,
160  0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x51, 0x30, 0x34, 0x36, 0x01, 0xe8,
161  0x81, 0x60, 0x92, 0x92, 0x1a, 0xe8, 0x7e, 0xed, 0x80, 0x86, 0xa2, 0x15, 0x82, 0x91, 0x43,
162  0x68, 0x72, 0x6f, 0x6d, 0x65, 0x2f, 0x37, 0x39, 0x2e, 0x30, 0x2e, 0x33, 0x39, 0x34, 0x35,
163  0x2e, 0x31, 0x31, 0x37, 0x20, 0x4c, 0x69, 0x6e, 0x75, 0x78, 0x20, 0x78, 0x38, 0x36, 0x5f,
164  0x36, 0x34, 0x00, 0x00, 0x00, 0x00, 0x58, 0x35, 0x30, 0x39, 0x01, 0x00, 0x00, 0x00, 0x1e,
165  0x00, 0x00, 0x00, 0x82, 0x88, 0x09, 0x00, 0xfa, 0x0f, 0xde, 0xb7, 0x2e, 0x7e, 0x6c, 0x78,
166  0xcc, 0x09, 0x65, 0xab, 0x06, 0x0c, 0x31, 0x05, 0xfa, 0xd9, 0xa2, 0x0b, 0xdd, 0x74, 0x5c,
167  0x28, 0xdf, 0x7b, 0x74, 0x23, 0x64, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x1d, 0x43,
168  0x00, 0x00, 0x00, 0x00, 0xf0, 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
169  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 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 };
189 
190  Flow f;
191  void *quic_state = NULL;
192  Packet *p = NULL;
193  Signature *s = NULL;
194  ThreadVars tv;
195  DetectEngineThreadCtx *det_ctx = NULL;
196  AppLayerParserThreadCtx *alp_tctx = AppLayerParserThreadCtxAlloc();
197 
198  memset(&tv, 0, sizeof(ThreadVars));
199  memset(&f, 0, sizeof(Flow));
200 
201  p = UTHBuildPacketReal(buf, sizeof(buf), IPPROTO_UDP, "192.168.1.5", "192.168.1.1", 41424, 443);
202 
203  FLOW_INITIALIZE(&f);
204  f.flags |= FLOW_IPV4;
205  f.proto = IPPROTO_UDP;
206  f.protomap = FlowGetProtoMapping(f.proto);
207 
208  p->flow = &f;
209  p->flags |= PKT_HAS_FLOW;
210  p->flowflags |= FLOW_PKT_TOSERVER;
211  f.alproto = ALPROTO_QUIC;
212 
213  DetectEngineCtx *de_ctx = DetectEngineCtxInit();
214  FAIL_IF_NULL(de_ctx);
215  de_ctx->mpm_matcher = mpm_default_matcher;
216  de_ctx->flags |= DE_QUIET;
217 
218  s = DetectEngineAppendSig(de_ctx, "alert quic any any -> any any "
219  "(msg:\"Test QUIC CYU string\"; "
220  "quic.cyu.string; "
221  "content:\"46,PAD-SNI-VER-CCS-UAID-TCID-PDMD-SMHL-ICSL-NONP-"
222  "MIDS-SCLS-CSCT-COPT-IRTT-CFCW-SFCW\"; "
223  "sid:1;)");
224  FAIL_IF_NULL(s);
225 
226  SigGroupBuild(de_ctx);
227  DetectEngineThreadCtxInit(&tv, (void *)de_ctx, (void *)&det_ctx);
228 
229  int r = AppLayerParserParse(
230  NULL, alp_tctx, &f, ALPROTO_QUIC, STREAM_TOSERVER, buf, sizeof(buf));
231  if (r != 0) {
232  printf("toserver chunk 1 returned %" PRId32 ", expected 0: ", r);
233  FAIL;
234  }
235 
236  quic_state = f.alstate;
237  FAIL_IF_NULL(quic_state);
238 
239  /* do detect */
240  SigMatchSignatures(&tv, de_ctx, det_ctx, p);
241 
242  if (!(PacketAlertCheck(p, 1))) {
243  printf("sig 1 didn't alert, but it should have: ");
244  FAIL;
245  }
246 
247  if (alp_tctx != NULL)
248  AppLayerParserThreadCtxFree(alp_tctx);
249  if (det_ctx != NULL)
250  DetectEngineThreadCtxDeinit(&tv, det_ctx);
251  if (de_ctx != NULL)
252  SigGroupCleanup(de_ctx);
253  if (de_ctx != NULL)
254  DetectEngineCtxFree(de_ctx);
255 
256  FLOW_DESTROY(&f);
257  UTHFreePacket(p);
258  PASS;
259 }
260 
261 /**
262  * \brief this function registers unit tests for Quic Cyu String
263  */
264 static void DetectQuicCyuStringRegisterTests(void)
265 {
266  UtRegisterTest("DetectQuicCyuStringTest01", DetectQuicCyuStringTest01);
267 }
268 
269 #endif /* UNITTESTS */
SigTableElmt_::url
const char * url
Definition: detect.h:1431
DetectSignatureSetAppProto
int DetectSignatureSetAppProto(Signature *s, AppProto alproto)
Definition: detect-parse.c:2313
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
SigTableElmt_::desc
const char * desc
Definition: detect.h:1430
sigmatch_table
SigTableElmt * sigmatch_table
Definition: detect-parse.c:155
PKT_HAS_FLOW
#define PKT_HAS_FLOW
Definition: decode.h:1250
flow-util.h
SigTableElmt_::name
const char * name
Definition: detect.h:1428
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
SCLogDebug
#define SCLogDebug(...)
Definition: util-debug.h:269
Flow_::proto
uint8_t proto
Definition: flow.h:378
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:141
Packet_::flags
uint32_t flags
Definition: decode.h:535
KEYWORD_NAME
#define KEYWORD_NAME
Definition: detect-quic-cyu-string.c:40
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:1422
DetectEngineCtx_
main detection engine ctx
Definition: detect.h:931
DetectBufferTypeSupportsMultiInstance
void DetectBufferTypeSupportsMultiInstance(const char *name)
Definition: detect-engine.c:1107
DetectEngineCtxFree
void DetectEngineCtxFree(DetectEngineCtx *)
Free a DetectEngineCtx::
Definition: detect-engine.c:2674
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
SigMatchSignatures
void SigMatchSignatures(ThreadVars *tv, DetectEngineCtx *de_ctx, DetectEngineThreadCtx *det_ctx, Packet *p)
wrapper for old tests
Definition: detect.c:2347
SCDetectBufferSetActiveList
int SCDetectBufferSetActiveList(DetectEngineCtx *de_ctx, Signature *s, const int list)
Definition: detect-engine-buffer.c:29
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:523
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:1413
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
FLOW_INITIALIZE
#define FLOW_INITIALIZE(f)
Definition: flow-util.h:38
SIG_FLAG_TOSERVER
#define SIG_FLAG_TOSERVER
Definition: detect.h:270
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:1223
alp_tctx
AppLayerParserThreadCtx * alp_tctx
Definition: fuzz_applayerparserparse.c:22
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:3400
DetectEngineCtx_::mpm_matcher
uint8_t mpm_matcher
Definition: detect.h:934
app-layer-parser.h
SigGroupCleanup
int SigGroupCleanup(DetectEngineCtx *de_ctx)
Definition: detect-engine-build.c:2200
util-profiling.h
DETECT_QUIC_CYU_STRING
@ DETECT_QUIC_CYU_STRING
Definition: detect-engine-register.h:298
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:492
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: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
Packet_::flow
struct Flow_ * flow
Definition: decode.h:537
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:1290
suricata-common.h
DetectEngineThreadCtxDeinit
TmEcode DetectEngineThreadCtxDeinit(ThreadVars *tv, void *data)
Definition: detect-engine.c:3626
detect-engine-buffer.h
tv
ThreadVars * tv
Definition: fuzz_decodepcapfile.c:32
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:479
Flow_::flags
uint32_t flags
Definition: flow.h:421
detect-parse.h
Signature_
Signature container.
Definition: detect.h:670
FAIL
#define FAIL
Fail a test.
Definition: util-unittest.h:60
DetectEngineCtxInit
DetectEngineCtx * DetectEngineCtxInit(void)
Definition: detect-engine.c:2635
SIGMATCH_NOOPT
#define SIGMATCH_NOOPT
Definition: detect.h:1620
DetectEngineCtx_::flags
uint8_t flags
Definition: detect.h:933
AppLayerParserThreadCtx_
Definition: app-layer-parser.c:58
DetectBufferTypeSetDescriptionByName
void DetectBufferTypeSetDescriptionByName(const char *name, const char *desc)
Definition: detect-engine.c:1254
DetectAppLayerMultiRegister
void DetectAppLayerMultiRegister(const char *name, AppProto alproto, uint32_t dir, int progress, InspectionMultiBufferGetDataPtr GetData, int priority)
Definition: detect-engine.c:2153
Flow_::alproto
AppProto alproto
application level protocol
Definition: flow.h:450
FLOW_DESTROY
#define FLOW_DESTROY(f)
Definition: flow-util.h:119
SigTableElmt_::RegisterTests
void(* RegisterTests)(void)
Definition: detect.h:1420