diff options
Diffstat (limited to 'fuzz/fuzz_credman.c')
-rw-r--r-- | fuzz/fuzz_credman.c | 667 |
1 files changed, 667 insertions, 0 deletions
diff --git a/fuzz/fuzz_credman.c b/fuzz/fuzz_credman.c new file mode 100644 index 0000000..4359938 --- /dev/null +++ b/fuzz/fuzz_credman.c | |||
@@ -0,0 +1,667 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2019 Yubico AB. All rights reserved. | ||
3 | * Use of this source code is governed by a BSD-style | ||
4 | * license that can be found in the LICENSE file. | ||
5 | */ | ||
6 | |||
7 | #include <assert.h> | ||
8 | #include <stdint.h> | ||
9 | #include <stdlib.h> | ||
10 | #include <string.h> | ||
11 | #include <stdio.h> | ||
12 | |||
13 | #include "mutator_aux.h" | ||
14 | #include "fido.h" | ||
15 | #include "fido/credman.h" | ||
16 | |||
17 | #include "../openbsd-compat/openbsd-compat.h" | ||
18 | |||
19 | #define TAG_META_WIRE_DATA 0x01 | ||
20 | #define TAG_RP_WIRE_DATA 0x02 | ||
21 | #define TAG_RK_WIRE_DATA 0x03 | ||
22 | #define TAG_DEL_WIRE_DATA 0x04 | ||
23 | #define TAG_CRED_ID 0x05 | ||
24 | #define TAG_PIN 0x06 | ||
25 | #define TAG_RP_ID 0x07 | ||
26 | #define TAG_SEED 0x08 | ||
27 | |||
28 | /* Parameter set defining a FIDO2 credential management operation. */ | ||
29 | struct param { | ||
30 | char pin[MAXSTR]; | ||
31 | char rp_id[MAXSTR]; | ||
32 | int seed; | ||
33 | struct blob cred_id; | ||
34 | struct blob del_wire_data; | ||
35 | struct blob meta_wire_data; | ||
36 | struct blob rk_wire_data; | ||
37 | struct blob rp_wire_data; | ||
38 | }; | ||
39 | |||
40 | /* Example parameters. */ | ||
41 | static const uint8_t dummy_cred_id[] = { | ||
42 | 0x4f, 0x72, 0x98, 0x42, 0x4a, 0xe1, 0x17, 0xa5, | ||
43 | 0x85, 0xa0, 0xef, 0x3b, 0x11, 0x24, 0x4a, 0x3d, | ||
44 | }; | ||
45 | static const char dummy_pin[] = "[n#899:~m"; | ||
46 | static const char dummy_rp_id[] = "yubico.com"; | ||
47 | |||
48 | /* | ||
49 | * Collection of HID reports from an authenticator issued with a FIDO2 | ||
50 | * 'getCredsMetadata' credential management command. | ||
51 | */ | ||
52 | static const uint8_t dummy_meta_wire_data[] = { | ||
53 | 0xff, 0xff, 0xff, 0xff, 0x86, 0x00, 0x11, 0xc5, | ||
54 | 0xb7, 0x89, 0xba, 0x8d, 0x5f, 0x94, 0x1b, 0x00, | ||
55 | 0x12, 0x00, 0x04, 0x02, 0x00, 0x04, 0x05, 0x05, | ||
56 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
57 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
58 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
59 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
60 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
61 | 0x00, 0x12, 0x00, 0x04, 0x90, 0x00, 0x51, 0x00, | ||
62 | 0xa1, 0x01, 0xa5, 0x01, 0x02, 0x03, 0x38, 0x18, | ||
63 | 0x20, 0x01, 0x21, 0x58, 0x20, 0x93, 0xc5, 0x64, | ||
64 | 0x71, 0xe9, 0xd1, 0xb8, 0xed, 0xf6, 0xd5, 0xf3, | ||
65 | 0xa7, 0xd5, 0x96, 0x70, 0xbb, 0xd5, 0x20, 0xa1, | ||
66 | 0xa3, 0xd3, 0x93, 0x4c, 0x5c, 0x20, 0x5c, 0x22, | ||
67 | 0xeb, 0xb0, 0x6a, 0x27, 0x59, 0x22, 0x58, 0x20, | ||
68 | 0x63, 0x02, 0x33, 0xa8, 0xed, 0x3c, 0xbc, 0xe9, | ||
69 | 0x00, 0x12, 0x00, 0x04, 0x00, 0xda, 0x44, 0xf5, | ||
70 | 0xed, 0xda, 0xe6, 0xa4, 0xad, 0x3f, 0x9e, 0xf8, | ||
71 | 0x50, 0x8d, 0x01, 0x47, 0x6c, 0x4e, 0x72, 0xa4, | ||
72 | 0x04, 0x13, 0xa8, 0x65, 0x97, 0x00, 0x00, 0x00, | ||
73 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
74 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
75 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
76 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
77 | 0x00, 0x12, 0x00, 0x04, 0x90, 0x00, 0x14, 0x00, | ||
78 | 0xa1, 0x02, 0x50, 0x6f, 0x11, 0x96, 0x21, 0x92, | ||
79 | 0x52, 0xf1, 0x6b, 0xd4, 0x2c, 0xe3, 0xf8, 0xc9, | ||
80 | 0x8c, 0x47, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
81 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
82 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
83 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
84 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
85 | 0x00, 0x12, 0x00, 0x04, 0x90, 0x00, 0x07, 0x00, | ||
86 | 0xa2, 0x01, 0x00, 0x02, 0x18, 0x19, 0x00, 0x00, | ||
87 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
88 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
89 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
90 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
91 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
92 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
93 | }; | ||
94 | |||
95 | /* | ||
96 | * Collection of HID reports from an authenticator issued with a FIDO2 | ||
97 | * 'enumerateRPsBegin' credential management command. | ||
98 | */ | ||
99 | static const uint8_t dummy_rp_wire_data[] = { | ||
100 | 0xff, 0xff, 0xff, 0xff, 0x86, 0x00, 0x11, 0x87, | ||
101 | 0xbf, 0xc6, 0x7f, 0x36, 0xf5, 0xe2, 0x49, 0x00, | ||
102 | 0x15, 0x00, 0x02, 0x02, 0x00, 0x04, 0x05, 0x05, | ||
103 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
104 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
105 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
106 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
107 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
108 | 0x00, 0x15, 0x00, 0x02, 0x90, 0x00, 0x51, 0x00, | ||
109 | 0xa1, 0x01, 0xa5, 0x01, 0x02, 0x03, 0x38, 0x18, | ||
110 | 0x20, 0x01, 0x21, 0x58, 0x20, 0x12, 0xc1, 0x81, | ||
111 | 0x6b, 0x92, 0x6a, 0x56, 0x05, 0xfe, 0xdb, 0xab, | ||
112 | 0x90, 0x2f, 0x57, 0x0b, 0x3d, 0x85, 0x3e, 0x3f, | ||
113 | 0xbc, 0xe5, 0xd3, 0xb6, 0x86, 0xdf, 0x10, 0x43, | ||
114 | 0xc2, 0xaf, 0x87, 0x34, 0x0e, 0x22, 0x58, 0x20, | ||
115 | 0xd3, 0x0f, 0x7e, 0x5d, 0x10, 0x33, 0x57, 0x24, | ||
116 | 0x00, 0x15, 0x00, 0x02, 0x00, 0x6e, 0x90, 0x58, | ||
117 | 0x61, 0x2a, 0xd2, 0xc2, 0x1e, 0x08, 0xea, 0x91, | ||
118 | 0xcb, 0x44, 0x66, 0x73, 0x29, 0x92, 0x29, 0x59, | ||
119 | 0x91, 0xa3, 0x4d, 0x2c, 0xbb, 0x00, 0x00, 0x00, | ||
120 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
121 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
122 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
123 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
124 | 0x00, 0x15, 0x00, 0x02, 0x90, 0x00, 0x14, 0x00, | ||
125 | 0xa1, 0x02, 0x50, 0x6d, 0x95, 0x0e, 0x73, 0x78, | ||
126 | 0x46, 0x13, 0x2e, 0x07, 0xbf, 0xeb, 0x61, 0x31, | ||
127 | 0x37, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
128 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
129 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
130 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
131 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
132 | 0x00, 0x15, 0x00, 0x02, 0x90, 0x00, 0x37, 0x00, | ||
133 | 0xa3, 0x03, 0xa1, 0x62, 0x69, 0x64, 0x6a, 0x79, | ||
134 | 0x75, 0x62, 0x69, 0x63, 0x6f, 0x2e, 0x63, 0x6f, | ||
135 | 0x6d, 0x04, 0x58, 0x20, 0x37, 0x82, 0x09, 0xb7, | ||
136 | 0x2d, 0xef, 0xcb, 0xa9, 0x1d, 0xcb, 0xf8, 0x54, | ||
137 | 0xed, 0xb4, 0xda, 0xa6, 0x48, 0x82, 0x8a, 0x2c, | ||
138 | 0xbd, 0x18, 0x0a, 0xfc, 0x77, 0xa7, 0x44, 0x34, | ||
139 | 0x65, 0x5a, 0x1c, 0x7d, 0x05, 0x03, 0x00, 0x00, | ||
140 | 0x00, 0x15, 0x00, 0x02, 0x90, 0x00, 0x36, 0x00, | ||
141 | 0xa2, 0x03, 0xa1, 0x62, 0x69, 0x64, 0x6b, 0x79, | ||
142 | 0x75, 0x62, 0x69, 0x6b, 0x65, 0x79, 0x2e, 0x6f, | ||
143 | 0x72, 0x67, 0x04, 0x58, 0x20, 0x12, 0x6b, 0xba, | ||
144 | 0x6a, 0x2d, 0x7a, 0x81, 0x84, 0x25, 0x7b, 0x74, | ||
145 | 0xdd, 0x1d, 0xdd, 0x46, 0xb6, 0x2a, 0x8c, 0xa2, | ||
146 | 0xa7, 0x83, 0xfe, 0xdb, 0x5b, 0x19, 0x48, 0x73, | ||
147 | 0x55, 0xb7, 0xe3, 0x46, 0x09, 0x00, 0x00, 0x00, | ||
148 | 0x00, 0x15, 0x00, 0x02, 0x90, 0x00, 0x37, 0x00, | ||
149 | 0xa2, 0x03, 0xa1, 0x62, 0x69, 0x64, 0x6c, 0x77, | ||
150 | 0x65, 0x62, 0x61, 0x75, 0x74, 0x68, 0x6e, 0x2e, | ||
151 | 0x64, 0x65, 0x76, 0x04, 0x58, 0x20, 0xd6, 0x32, | ||
152 | 0x7d, 0x8c, 0x6a, 0x5d, 0xe6, 0xae, 0x0e, 0x33, | ||
153 | 0xd0, 0xa3, 0x31, 0xfb, 0x67, 0x77, 0xb9, 0x4e, | ||
154 | 0xf4, 0x73, 0x19, 0xfe, 0x7e, 0xfd, 0xfa, 0x82, | ||
155 | 0x70, 0x8e, 0x1f, 0xbb, 0xa2, 0x55, 0x00, 0x00, | ||
156 | }; | ||
157 | |||
158 | /* | ||
159 | * Collection of HID reports from an authenticator issued with a FIDO2 | ||
160 | * 'enumerateCredentialsBegin' credential management command. | ||
161 | */ | ||
162 | static const uint8_t dummy_rk_wire_data[] = { | ||
163 | 0xff, 0xff, 0xff, 0xff, 0x86, 0x00, 0x11, 0x35, | ||
164 | 0x3b, 0x34, 0xb9, 0xcb, 0xeb, 0x40, 0x55, 0x00, | ||
165 | 0x15, 0x00, 0x04, 0x02, 0x00, 0x04, 0x05, 0x05, | ||
166 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
167 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
168 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
169 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
170 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
171 | 0x00, 0x15, 0x00, 0x04, 0x90, 0x00, 0x51, 0x00, | ||
172 | 0xa1, 0x01, 0xa5, 0x01, 0x02, 0x03, 0x38, 0x18, | ||
173 | 0x20, 0x01, 0x21, 0x58, 0x20, 0x12, 0xc1, 0x81, | ||
174 | 0x6b, 0x92, 0x6a, 0x56, 0x05, 0xfe, 0xdb, 0xab, | ||
175 | 0x90, 0x2f, 0x57, 0x0b, 0x3d, 0x85, 0x3e, 0x3f, | ||
176 | 0xbc, 0xe5, 0xd3, 0xb6, 0x86, 0xdf, 0x10, 0x43, | ||
177 | 0xc2, 0xaf, 0x87, 0x34, 0x0e, 0x22, 0x58, 0x20, | ||
178 | 0xd3, 0x0f, 0x7e, 0x5d, 0x10, 0x33, 0x57, 0x24, | ||
179 | 0x00, 0x15, 0x00, 0x04, 0x00, 0x6e, 0x90, 0x58, | ||
180 | 0x61, 0x2a, 0xd2, 0xc2, 0x1e, 0x08, 0xea, 0x91, | ||
181 | 0xcb, 0x44, 0x66, 0x73, 0x29, 0x92, 0x29, 0x59, | ||
182 | 0x91, 0xa3, 0x4d, 0x2c, 0xbb, 0x00, 0x00, 0x00, | ||
183 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
184 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
185 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
186 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
187 | 0x00, 0x15, 0x00, 0x04, 0x90, 0x00, 0x14, 0x00, | ||
188 | 0xa1, 0x02, 0x50, 0x1b, 0xf0, 0x01, 0x0d, 0x32, | ||
189 | 0xee, 0x28, 0xa4, 0x5a, 0x7f, 0x56, 0x5b, 0x28, | ||
190 | 0xfd, 0x1f, 0x48, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
191 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
192 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
193 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
194 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
195 | 0x00, 0x15, 0x00, 0x04, 0x90, 0x00, 0xc5, 0x00, | ||
196 | 0xa5, 0x06, 0xa3, 0x62, 0x69, 0x64, 0x58, 0x20, | ||
197 | 0xe4, 0xe1, 0x06, 0x31, 0xde, 0x00, 0x0f, 0x4f, | ||
198 | 0x12, 0x6e, 0xc9, 0x68, 0x2d, 0x43, 0x3f, 0xf1, | ||
199 | 0x02, 0x2c, 0x6e, 0xe6, 0x96, 0x10, 0xbf, 0x73, | ||
200 | 0x35, 0xc9, 0x20, 0x27, 0x06, 0xba, 0x39, 0x09, | ||
201 | 0x64, 0x6e, 0x61, 0x6d, 0x65, 0x6a, 0x62, 0x6f, | ||
202 | 0x62, 0x20, 0x62, 0x61, 0x6e, 0x61, 0x6e, 0x61, | ||
203 | 0x00, 0x15, 0x00, 0x04, 0x00, 0x6b, 0x64, 0x69, | ||
204 | 0x73, 0x70, 0x6c, 0x61, 0x79, 0x4e, 0x61, 0x6d, | ||
205 | 0x65, 0x67, 0x62, 0x62, 0x61, 0x6e, 0x61, 0x6e, | ||
206 | 0x61, 0x07, 0xa2, 0x62, 0x69, 0x64, 0x50, 0x19, | ||
207 | 0xf7, 0x78, 0x0c, 0xa0, 0xbc, 0xb9, 0xa6, 0xd5, | ||
208 | 0x1e, 0xd7, 0x87, 0xfb, 0x6c, 0x80, 0x03, 0x64, | ||
209 | 0x74, 0x79, 0x70, 0x65, 0x6a, 0x70, 0x75, 0x62, | ||
210 | 0x6c, 0x69, 0x63, 0x2d, 0x6b, 0x65, 0x79, 0x08, | ||
211 | 0x00, 0x15, 0x00, 0x04, 0x01, 0xa5, 0x01, 0x02, | ||
212 | 0x03, 0x26, 0x20, 0x01, 0x21, 0x58, 0x20, 0x81, | ||
213 | 0x6c, 0xdd, 0x8c, 0x8f, 0x8c, 0xc8, 0x43, 0xa7, | ||
214 | 0xbb, 0x79, 0x51, 0x09, 0xb1, 0xdf, 0xbe, 0xc4, | ||
215 | 0xa5, 0x54, 0x16, 0x9e, 0x58, 0x56, 0xb3, 0x0b, | ||
216 | 0x34, 0x4f, 0xa5, 0x6c, 0x05, 0xa2, 0x21, 0x22, | ||
217 | 0x58, 0x20, 0xcd, 0xc2, 0x0c, 0x99, 0x83, 0x5a, | ||
218 | 0x61, 0x73, 0xd8, 0xe0, 0x74, 0x23, 0x46, 0x64, | ||
219 | 0x00, 0x15, 0x00, 0x04, 0x02, 0x39, 0x4c, 0xb0, | ||
220 | 0xf4, 0x6c, 0x0a, 0x37, 0x72, 0xaa, 0xa8, 0xea, | ||
221 | 0x58, 0xd3, 0xd4, 0xe0, 0x51, 0xb2, 0x28, 0x09, | ||
222 | 0x05, 0x0a, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
223 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
224 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
225 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
226 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
227 | 0x00, 0x15, 0x00, 0x04, 0x90, 0x00, 0xa0, 0x00, | ||
228 | 0xa4, 0x06, 0xa3, 0x62, 0x69, 0x64, 0x58, 0x20, | ||
229 | 0x56, 0xa1, 0x3c, 0x06, 0x2b, 0xad, 0xa2, 0x21, | ||
230 | 0x7d, 0xcd, 0x91, 0x08, 0x47, 0xa8, 0x8a, 0x06, | ||
231 | 0x06, 0xf6, 0x66, 0x91, 0xf6, 0xeb, 0x89, 0xe4, | ||
232 | 0xdf, 0x26, 0xbc, 0x46, 0x59, 0xc3, 0x7d, 0xc0, | ||
233 | 0x64, 0x6e, 0x61, 0x6d, 0x65, 0x6a, 0x62, 0x6f, | ||
234 | 0x62, 0x20, 0x62, 0x61, 0x6e, 0x61, 0x6e, 0x61, | ||
235 | 0x00, 0x15, 0x00, 0x04, 0x00, 0x6b, 0x64, 0x69, | ||
236 | 0x73, 0x70, 0x6c, 0x61, 0x79, 0x4e, 0x61, 0x6d, | ||
237 | 0x65, 0x67, 0x62, 0x62, 0x61, 0x6e, 0x61, 0x6e, | ||
238 | 0x61, 0x07, 0xa2, 0x62, 0x69, 0x64, 0x50, 0xd8, | ||
239 | 0x27, 0x4b, 0x25, 0xed, 0x19, 0xef, 0x11, 0xaf, | ||
240 | 0xa6, 0x89, 0x7b, 0x84, 0x50, 0xe7, 0x62, 0x64, | ||
241 | 0x74, 0x79, 0x70, 0x65, 0x6a, 0x70, 0x75, 0x62, | ||
242 | 0x6c, 0x69, 0x63, 0x2d, 0x6b, 0x65, 0x79, 0x08, | ||
243 | 0x00, 0x15, 0x00, 0x04, 0x01, 0xa4, 0x01, 0x01, | ||
244 | 0x03, 0x27, 0x20, 0x06, 0x21, 0x58, 0x20, 0x8d, | ||
245 | 0xfe, 0x45, 0xd5, 0x7d, 0xb6, 0x17, 0xab, 0x86, | ||
246 | 0x2d, 0x32, 0xf6, 0x85, 0xf0, 0x92, 0x76, 0xb7, | ||
247 | 0xce, 0x73, 0xca, 0x4e, 0x0e, 0xfd, 0xd5, 0xdb, | ||
248 | 0x2a, 0x1d, 0x55, 0x90, 0x96, 0x52, 0xc2, 0x0a, | ||
249 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
250 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
251 | 0x00, 0x15, 0x00, 0x04, 0x90, 0x00, 0xa0, 0x00, | ||
252 | 0xa4, 0x06, 0xa3, 0x62, 0x69, 0x64, 0x58, 0x20, | ||
253 | 0x04, 0x0e, 0x0f, 0xa0, 0xcd, 0x60, 0x35, 0x9a, | ||
254 | 0xba, 0x47, 0x0c, 0x10, 0xb6, 0x82, 0x6e, 0x2f, | ||
255 | 0x66, 0xb9, 0xa7, 0xcf, 0xd8, 0x47, 0xb4, 0x3d, | ||
256 | 0xfd, 0x77, 0x1a, 0x38, 0x22, 0xa1, 0xda, 0xa5, | ||
257 | 0x64, 0x6e, 0x61, 0x6d, 0x65, 0x6a, 0x62, 0x6f, | ||
258 | 0x62, 0x20, 0x62, 0x61, 0x6e, 0x61, 0x6e, 0x61, | ||
259 | 0x00, 0x15, 0x00, 0x04, 0x00, 0x6b, 0x64, 0x69, | ||
260 | 0x73, 0x70, 0x6c, 0x61, 0x79, 0x4e, 0x61, 0x6d, | ||
261 | 0x65, 0x67, 0x62, 0x62, 0x61, 0x6e, 0x61, 0x6e, | ||
262 | 0x61, 0x07, 0xa2, 0x62, 0x69, 0x64, 0x50, 0x00, | ||
263 | 0x5d, 0xdf, 0xef, 0xe2, 0xf3, 0x06, 0xb2, 0xa5, | ||
264 | 0x46, 0x4d, 0x98, 0xbc, 0x14, 0x65, 0xc1, 0x64, | ||
265 | 0x74, 0x79, 0x70, 0x65, 0x6a, 0x70, 0x75, 0x62, | ||
266 | 0x6c, 0x69, 0x63, 0x2d, 0x6b, 0x65, 0x79, 0x08, | ||
267 | 0x00, 0x15, 0x00, 0x04, 0x01, 0xa4, 0x01, 0x01, | ||
268 | 0x03, 0x27, 0x20, 0x06, 0x21, 0x58, 0x20, 0x72, | ||
269 | 0x79, 0x14, 0x69, 0xdf, 0xcb, 0x64, 0x75, 0xee, | ||
270 | 0xd4, 0x45, 0x94, 0xbc, 0x48, 0x4d, 0x2a, 0x9f, | ||
271 | 0xc9, 0xf4, 0xb5, 0x1b, 0x05, 0xa6, 0x5b, 0x54, | ||
272 | 0x9a, 0xac, 0x6c, 0x2e, 0xc6, 0x90, 0x62, 0x0a, | ||
273 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
274 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
275 | 0x00, 0x15, 0x00, 0x04, 0x90, 0x00, 0xc3, 0x00, | ||
276 | 0xa4, 0x06, 0xa3, 0x62, 0x69, 0x64, 0x58, 0x20, | ||
277 | 0xce, 0x32, 0xd8, 0x79, 0xdd, 0x86, 0xa2, 0x42, | ||
278 | 0x7c, 0xc3, 0xe1, 0x95, 0x12, 0x93, 0x1a, 0x03, | ||
279 | 0xe6, 0x70, 0xb8, 0xff, 0xcd, 0xa5, 0xdf, 0x15, | ||
280 | 0xfc, 0x88, 0x2a, 0xf5, 0x44, 0xf1, 0x33, 0x9c, | ||
281 | 0x64, 0x6e, 0x61, 0x6d, 0x65, 0x6a, 0x62, 0x6f, | ||
282 | 0x62, 0x20, 0x62, 0x61, 0x6e, 0x61, 0x6e, 0x61, | ||
283 | 0x00, 0x15, 0x00, 0x04, 0x00, 0x6b, 0x64, 0x69, | ||
284 | 0x73, 0x70, 0x6c, 0x61, 0x79, 0x4e, 0x61, 0x6d, | ||
285 | 0x65, 0x67, 0x62, 0x62, 0x61, 0x6e, 0x61, 0x6e, | ||
286 | 0x61, 0x07, 0xa2, 0x62, 0x69, 0x64, 0x50, 0x0a, | ||
287 | 0x26, 0x5b, 0x7e, 0x1a, 0x2a, 0xba, 0x70, 0x5f, | ||
288 | 0x18, 0x26, 0x14, 0xb2, 0x71, 0xca, 0x98, 0x64, | ||
289 | 0x74, 0x79, 0x70, 0x65, 0x6a, 0x70, 0x75, 0x62, | ||
290 | 0x6c, 0x69, 0x63, 0x2d, 0x6b, 0x65, 0x79, 0x08, | ||
291 | 0x00, 0x15, 0x00, 0x04, 0x01, 0xa5, 0x01, 0x02, | ||
292 | 0x03, 0x26, 0x20, 0x01, 0x21, 0x58, 0x20, 0x8b, | ||
293 | 0x48, 0xf0, 0x69, 0xfb, 0x22, 0xfb, 0xf3, 0x86, | ||
294 | 0x57, 0x7c, 0xdd, 0x82, 0x2c, 0x1c, 0x0c, 0xdc, | ||
295 | 0x27, 0xe2, 0x6a, 0x4c, 0x1a, 0x10, 0x04, 0x27, | ||
296 | 0x51, 0x3e, 0x2a, 0x9d, 0x3a, 0xb6, 0xb5, 0x22, | ||
297 | 0x58, 0x20, 0x70, 0xfe, 0x91, 0x67, 0x64, 0x53, | ||
298 | 0x63, 0x83, 0x72, 0x31, 0xe9, 0xe5, 0x20, 0xb7, | ||
299 | 0x00, 0x15, 0x00, 0x04, 0x02, 0xee, 0xc9, 0xfb, | ||
300 | 0x63, 0xd7, 0xe4, 0x76, 0x39, 0x80, 0x82, 0x74, | ||
301 | 0xb8, 0xfa, 0x67, 0xf5, 0x1b, 0x8f, 0xe0, 0x0a, | ||
302 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
303 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
304 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
305 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
306 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
307 | 0x00, 0x15, 0x00, 0x04, 0x90, 0x00, 0xc3, 0x00, | ||
308 | 0xa4, 0x06, 0xa3, 0x62, 0x69, 0x64, 0x58, 0x20, | ||
309 | 0xf9, 0xa3, 0x67, 0xbf, 0x5e, 0x80, 0x95, 0xdb, | ||
310 | 0x4c, 0xc5, 0x8f, 0x65, 0x36, 0xc5, 0xaf, 0xdd, | ||
311 | 0x90, 0x2e, 0x62, 0x68, 0x67, 0x9c, 0xa2, 0x26, | ||
312 | 0x2f, 0x2a, 0xf9, 0x3a, 0xda, 0x15, 0xf2, 0x27, | ||
313 | 0x64, 0x6e, 0x61, 0x6d, 0x65, 0x6a, 0x62, 0x6f, | ||
314 | 0x62, 0x20, 0x62, 0x61, 0x6e, 0x61, 0x6e, 0x61, | ||
315 | 0x00, 0x15, 0x00, 0x04, 0x00, 0x6b, 0x64, 0x69, | ||
316 | 0x73, 0x70, 0x6c, 0x61, 0x79, 0x4e, 0x61, 0x6d, | ||
317 | 0x65, 0x67, 0x62, 0x62, 0x61, 0x6e, 0x61, 0x6e, | ||
318 | 0x61, 0x07, 0xa2, 0x62, 0x69, 0x64, 0x50, 0xfb, | ||
319 | 0xa6, 0xbe, 0xc1, 0x01, 0xf6, 0x7a, 0x81, 0xf9, | ||
320 | 0xcd, 0x6d, 0x20, 0x41, 0x7a, 0x1c, 0x40, 0x64, | ||
321 | 0x74, 0x79, 0x70, 0x65, 0x6a, 0x70, 0x75, 0x62, | ||
322 | 0x6c, 0x69, 0x63, 0x2d, 0x6b, 0x65, 0x79, 0x08, | ||
323 | 0x00, 0x15, 0x00, 0x04, 0x01, 0xa5, 0x01, 0x02, | ||
324 | 0x03, 0x26, 0x20, 0x01, 0x21, 0x58, 0x20, 0xda, | ||
325 | 0x2b, 0x53, 0xc3, 0xbe, 0x48, 0xf8, 0xab, 0xbd, | ||
326 | 0x06, 0x28, 0x46, 0xfa, 0x35, 0xab, 0xf9, 0xc5, | ||
327 | 0x2e, 0xfd, 0x3c, 0x38, 0x88, 0xb3, 0xe1, 0xa7, | ||
328 | 0xc5, 0xc6, 0xed, 0x72, 0x54, 0x37, 0x93, 0x22, | ||
329 | 0x58, 0x20, 0x12, 0x82, 0x32, 0x2d, 0xab, 0xbc, | ||
330 | 0x64, 0xb3, 0xed, 0xcc, 0xd5, 0x22, 0xec, 0x79, | ||
331 | 0x00, 0x15, 0x00, 0x04, 0x02, 0x4b, 0xe2, 0x4d, | ||
332 | 0x0c, 0x4b, 0x8d, 0x31, 0x4c, 0xb4, 0x0f, 0xd4, | ||
333 | 0xa9, 0xbe, 0x0c, 0xab, 0x9e, 0x0a, 0xc9, 0x0a, | ||
334 | 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
335 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
336 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
337 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
338 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
339 | }; | ||
340 | |||
341 | /* | ||
342 | * Collection of HID reports from an authenticator issued with a FIDO2 | ||
343 | * 'deleteCredential' credential management command. | ||
344 | */ | ||
345 | static const uint8_t dummy_del_wire_data[] = { | ||
346 | 0xff, 0xff, 0xff, 0xff, 0x86, 0x00, 0x11, 0x8b, | ||
347 | 0xe1, 0xf0, 0x3a, 0x18, 0xa5, 0xda, 0x59, 0x00, | ||
348 | 0x15, 0x00, 0x05, 0x02, 0x00, 0x04, 0x05, 0x05, | ||
349 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
350 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
351 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
352 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
353 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
354 | 0x00, 0x15, 0x00, 0x05, 0x90, 0x00, 0x51, 0x00, | ||
355 | 0xa1, 0x01, 0xa5, 0x01, 0x02, 0x03, 0x38, 0x18, | ||
356 | 0x20, 0x01, 0x21, 0x58, 0x20, 0x12, 0xc1, 0x81, | ||
357 | 0x6b, 0x92, 0x6a, 0x56, 0x05, 0xfe, 0xdb, 0xab, | ||
358 | 0x90, 0x2f, 0x57, 0x0b, 0x3d, 0x85, 0x3e, 0x3f, | ||
359 | 0xbc, 0xe5, 0xd3, 0xb6, 0x86, 0xdf, 0x10, 0x43, | ||
360 | 0xc2, 0xaf, 0x87, 0x34, 0x0e, 0x22, 0x58, 0x20, | ||
361 | 0xd3, 0x0f, 0x7e, 0x5d, 0x10, 0x33, 0x57, 0x24, | ||
362 | 0x00, 0x15, 0x00, 0x05, 0x00, 0x6e, 0x90, 0x58, | ||
363 | 0x61, 0x2a, 0xd2, 0xc2, 0x1e, 0x08, 0xea, 0x91, | ||
364 | 0xcb, 0x44, 0x66, 0x73, 0x29, 0x92, 0x29, 0x59, | ||
365 | 0x91, 0xa3, 0x4d, 0x2c, 0xbb, 0x00, 0x00, 0x00, | ||
366 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
367 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
368 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
369 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
370 | 0x00, 0x15, 0x00, 0x05, 0x90, 0x00, 0x14, 0x00, | ||
371 | 0xa1, 0x02, 0x50, 0x33, 0xf1, 0x3b, 0xde, 0x1e, | ||
372 | 0xa5, 0xd1, 0xbf, 0xf6, 0x5d, 0x63, 0xb6, 0xfc, | ||
373 | 0xd2, 0x24, 0xe8, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
374 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
375 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
376 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
377 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
378 | 0x00, 0x15, 0x00, 0x05, 0x90, 0x00, 0x01, 0x00, | ||
379 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
380 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
381 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
382 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
383 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
384 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
385 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
386 | }; | ||
387 | |||
388 | int LLVMFuzzerTestOneInput(const uint8_t *, size_t); | ||
389 | size_t LLVMFuzzerCustomMutator(uint8_t *, size_t, size_t, unsigned int); | ||
390 | |||
391 | static int | ||
392 | unpack(const uint8_t *ptr, size_t len, struct param *p) NO_MSAN | ||
393 | { | ||
394 | uint8_t **pp = (void *)&ptr; | ||
395 | |||
396 | if (unpack_string(TAG_PIN, pp, &len, p->pin) < 0 || | ||
397 | unpack_string(TAG_RP_ID, pp, &len, p->rp_id) < 0 || | ||
398 | unpack_blob(TAG_CRED_ID, pp, &len, &p->cred_id) < 0 || | ||
399 | unpack_blob(TAG_META_WIRE_DATA, pp, &len, &p->meta_wire_data) < 0 || | ||
400 | unpack_blob(TAG_RP_WIRE_DATA, pp, &len, &p->rp_wire_data) < 0 || | ||
401 | unpack_blob(TAG_RK_WIRE_DATA, pp, &len, &p->rk_wire_data) < 0 || | ||
402 | unpack_blob(TAG_DEL_WIRE_DATA, pp, &len, &p->del_wire_data) < 0 || | ||
403 | unpack_int(TAG_SEED, pp, &len, &p->seed) < 0) | ||
404 | return (-1); | ||
405 | |||
406 | return (0); | ||
407 | } | ||
408 | |||
409 | static size_t | ||
410 | pack(uint8_t *ptr, size_t len, const struct param *p) | ||
411 | { | ||
412 | const size_t max = len; | ||
413 | |||
414 | if (pack_string(TAG_PIN, &ptr, &len, p->pin) < 0 || | ||
415 | pack_string(TAG_RP_ID, &ptr, &len, p->rp_id) < 0 || | ||
416 | pack_blob(TAG_CRED_ID, &ptr, &len, &p->cred_id) < 0 || | ||
417 | pack_blob(TAG_META_WIRE_DATA, &ptr, &len, &p->meta_wire_data) < 0 || | ||
418 | pack_blob(TAG_RP_WIRE_DATA, &ptr, &len, &p->rp_wire_data) < 0 || | ||
419 | pack_blob(TAG_RK_WIRE_DATA, &ptr, &len, &p->rk_wire_data) < 0 || | ||
420 | pack_blob(TAG_DEL_WIRE_DATA, &ptr, &len, &p->del_wire_data) < 0 || | ||
421 | pack_int(TAG_SEED, &ptr, &len, p->seed) < 0) | ||
422 | return (0); | ||
423 | |||
424 | return (max - len); | ||
425 | } | ||
426 | |||
427 | static fido_dev_t * | ||
428 | prepare_dev() | ||
429 | { | ||
430 | fido_dev_t *dev; | ||
431 | fido_dev_io_t io; | ||
432 | |||
433 | io.open = dev_open; | ||
434 | io.close = dev_close; | ||
435 | io.read = dev_read; | ||
436 | io.write = dev_write; | ||
437 | |||
438 | if ((dev = fido_dev_new()) == NULL || fido_dev_set_io_functions(dev, | ||
439 | &io) != FIDO_OK || fido_dev_open(dev, "nodev") != FIDO_OK) { | ||
440 | fido_dev_free(&dev); | ||
441 | return (NULL); | ||
442 | } | ||
443 | |||
444 | return (dev); | ||
445 | } | ||
446 | |||
447 | static void | ||
448 | get_metadata(struct param *p) | ||
449 | { | ||
450 | fido_dev_t *dev; | ||
451 | fido_credman_metadata_t *metadata; | ||
452 | uint64_t existing; | ||
453 | uint64_t remaining; | ||
454 | |||
455 | set_wire_data(p->meta_wire_data.body, p->meta_wire_data.len); | ||
456 | |||
457 | if ((dev = prepare_dev()) == NULL) { | ||
458 | return; | ||
459 | } | ||
460 | if ((metadata = fido_credman_metadata_new()) == NULL) { | ||
461 | fido_dev_close(dev); | ||
462 | fido_dev_free(&dev); | ||
463 | return; | ||
464 | } | ||
465 | |||
466 | fido_credman_get_dev_metadata(dev, metadata, p->pin); | ||
467 | |||
468 | existing = fido_credman_rk_existing(metadata); | ||
469 | remaining = fido_credman_rk_remaining(metadata); | ||
470 | consume(&existing, sizeof(existing)); | ||
471 | consume(&remaining, sizeof(remaining)); | ||
472 | |||
473 | fido_credman_metadata_free(&metadata); | ||
474 | fido_dev_close(dev); | ||
475 | fido_dev_free(&dev); | ||
476 | } | ||
477 | |||
478 | static void | ||
479 | get_rp_list(struct param *p) | ||
480 | { | ||
481 | fido_dev_t *dev; | ||
482 | fido_credman_rp_t *rp; | ||
483 | |||
484 | set_wire_data(p->rp_wire_data.body, p->rp_wire_data.len); | ||
485 | |||
486 | if ((dev = prepare_dev()) == NULL) { | ||
487 | return; | ||
488 | } | ||
489 | if ((rp = fido_credman_rp_new()) == NULL) { | ||
490 | fido_dev_close(dev); | ||
491 | fido_dev_free(&dev); | ||
492 | return; | ||
493 | } | ||
494 | |||
495 | fido_credman_get_dev_rp(dev, rp, p->pin); | ||
496 | |||
497 | /* +1 on purpose */ | ||
498 | for (size_t i = 0; i < fido_credman_rp_count(rp) + 1; i++) { | ||
499 | consume(fido_credman_rp_id_hash_ptr(rp, i), | ||
500 | fido_credman_rp_id_hash_len(rp, i)); | ||
501 | consume(fido_credman_rp_id(rp, i), | ||
502 | xstrlen(fido_credman_rp_id(rp, i))); | ||
503 | consume(fido_credman_rp_name(rp, i), | ||
504 | xstrlen(fido_credman_rp_name(rp, i))); | ||
505 | } | ||
506 | |||
507 | fido_credman_rp_free(&rp); | ||
508 | fido_dev_close(dev); | ||
509 | fido_dev_free(&dev); | ||
510 | } | ||
511 | |||
512 | static void | ||
513 | get_rk_list(struct param *p) | ||
514 | { | ||
515 | fido_dev_t *dev; | ||
516 | fido_credman_rk_t *rk; | ||
517 | const fido_cred_t *cred; | ||
518 | int type; | ||
519 | |||
520 | set_wire_data(p->rk_wire_data.body, p->rk_wire_data.len); | ||
521 | |||
522 | if ((dev = prepare_dev()) == NULL) { | ||
523 | return; | ||
524 | } | ||
525 | if ((rk = fido_credman_rk_new()) == NULL) { | ||
526 | fido_dev_close(dev); | ||
527 | fido_dev_free(&dev); | ||
528 | return; | ||
529 | } | ||
530 | |||
531 | fido_credman_get_dev_rk(dev, p->rp_id, rk, p->pin); | ||
532 | |||
533 | /* +1 on purpose */ | ||
534 | for (size_t i = 0; i < fido_credman_rk_count(rk) + 1; i++) { | ||
535 | if ((cred = fido_credman_rk(rk, i)) == NULL) { | ||
536 | assert(i >= fido_credman_rk_count(rk)); | ||
537 | continue; | ||
538 | } | ||
539 | type = fido_cred_type(cred); | ||
540 | consume(&type, sizeof(type)); | ||
541 | consume(fido_cred_id_ptr(cred), fido_cred_id_len(cred)); | ||
542 | consume(fido_cred_pubkey_ptr(cred), fido_cred_pubkey_len(cred)); | ||
543 | consume(fido_cred_user_id_ptr(cred), | ||
544 | fido_cred_user_id_len(cred)); | ||
545 | consume(fido_cred_user_name(cred), | ||
546 | xstrlen(fido_cred_user_name(cred))); | ||
547 | consume(fido_cred_display_name(cred), | ||
548 | xstrlen(fido_cred_display_name(cred))); | ||
549 | } | ||
550 | |||
551 | fido_credman_rk_free(&rk); | ||
552 | fido_dev_close(dev); | ||
553 | fido_dev_free(&dev); | ||
554 | } | ||
555 | |||
556 | static void | ||
557 | del_rk(struct param *p) | ||
558 | { | ||
559 | fido_dev_t *dev; | ||
560 | |||
561 | set_wire_data(p->del_wire_data.body, p->del_wire_data.len); | ||
562 | |||
563 | if ((dev = prepare_dev()) == NULL) { | ||
564 | return; | ||
565 | } | ||
566 | |||
567 | fido_credman_del_dev_rk(dev, p->cred_id.body, p->cred_id.len, p->pin); | ||
568 | fido_dev_close(dev); | ||
569 | fido_dev_free(&dev); | ||
570 | } | ||
571 | |||
572 | int | ||
573 | LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) | ||
574 | { | ||
575 | struct param p; | ||
576 | |||
577 | memset(&p, 0, sizeof(p)); | ||
578 | |||
579 | if (unpack(data, size, &p) < 0) | ||
580 | return (0); | ||
581 | |||
582 | srandom((unsigned int)p.seed); | ||
583 | |||
584 | fido_init(0); | ||
585 | |||
586 | get_metadata(&p); | ||
587 | get_rp_list(&p); | ||
588 | get_rk_list(&p); | ||
589 | del_rk(&p); | ||
590 | |||
591 | return (0); | ||
592 | } | ||
593 | |||
594 | static size_t | ||
595 | pack_dummy(uint8_t *ptr, size_t len) | ||
596 | { | ||
597 | struct param dummy; | ||
598 | uint8_t blob[32768]; | ||
599 | size_t blob_len; | ||
600 | |||
601 | memset(&dummy, 0, sizeof(dummy)); | ||
602 | |||
603 | strlcpy(dummy.pin, dummy_pin, sizeof(dummy.pin)); | ||
604 | strlcpy(dummy.rp_id, dummy_rp_id, sizeof(dummy.rp_id)); | ||
605 | |||
606 | dummy.meta_wire_data.len = sizeof(dummy_meta_wire_data); | ||
607 | dummy.rp_wire_data.len = sizeof(dummy_rp_wire_data); | ||
608 | dummy.rk_wire_data.len = sizeof(dummy_rk_wire_data); | ||
609 | dummy.del_wire_data.len = sizeof(dummy_del_wire_data); | ||
610 | dummy.cred_id.len = sizeof(dummy_cred_id); | ||
611 | |||
612 | memcpy(&dummy.meta_wire_data.body, &dummy_meta_wire_data, | ||
613 | dummy.meta_wire_data.len); | ||
614 | memcpy(&dummy.rp_wire_data.body, &dummy_rp_wire_data, | ||
615 | dummy.rp_wire_data.len); | ||
616 | memcpy(&dummy.rk_wire_data.body, &dummy_rk_wire_data, | ||
617 | dummy.rk_wire_data.len); | ||
618 | memcpy(&dummy.del_wire_data.body, &dummy_del_wire_data, | ||
619 | dummy.del_wire_data.len); | ||
620 | memcpy(&dummy.cred_id.body, &dummy_cred_id, dummy.cred_id.len); | ||
621 | |||
622 | blob_len = pack(blob, sizeof(blob), &dummy); | ||
623 | assert(blob_len != 0); | ||
624 | |||
625 | if (blob_len > len) { | ||
626 | memcpy(ptr, blob, len); | ||
627 | return (len); | ||
628 | } | ||
629 | |||
630 | memcpy(ptr, blob, blob_len); | ||
631 | |||
632 | return (blob_len); | ||
633 | } | ||
634 | |||
635 | size_t | ||
636 | LLVMFuzzerCustomMutator(uint8_t *data, size_t size, size_t maxsize, | ||
637 | unsigned int seed) NO_MSAN | ||
638 | { | ||
639 | struct param p; | ||
640 | uint8_t blob[16384]; | ||
641 | size_t blob_len; | ||
642 | |||
643 | memset(&p, 0, sizeof(p)); | ||
644 | |||
645 | if (unpack(data, size, &p) < 0) | ||
646 | return (pack_dummy(data, maxsize)); | ||
647 | |||
648 | p.seed = (int)seed; | ||
649 | |||
650 | mutate_blob(&p.cred_id); | ||
651 | mutate_blob(&p.meta_wire_data); | ||
652 | mutate_blob(&p.rp_wire_data); | ||
653 | mutate_blob(&p.rk_wire_data); | ||
654 | mutate_blob(&p.del_wire_data); | ||
655 | |||
656 | mutate_string(p.pin); | ||
657 | mutate_string(p.rp_id); | ||
658 | |||
659 | blob_len = pack(blob, sizeof(blob), &p); | ||
660 | |||
661 | if (blob_len == 0 || blob_len > maxsize) | ||
662 | return (0); | ||
663 | |||
664 | memcpy(data, blob, blob_len); | ||
665 | |||
666 | return (blob_len); | ||
667 | } | ||