1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "keycontrol_fuzzer.h"
17 #include "key_control.h"
18 #include <securec.h>
19 #include <cstddef>
20 #include <cstdint>
21 #define MAX_NUM 100
22
23 namespace OHOS {
SysparamDynamicFuzzTest(const uint8_t * data,size_t size)24 bool SysparamDynamicFuzzTest(const uint8_t *data, size_t size)
25 {
26 if ((data == nullptr) || (size < sizeof(int))) {
27 return false;
28 }
29 struct fscrypt_policy fscryptpolicy;
30 struct fscrypt_policy *fscryptpolicy2 = &fscryptpolicy;
31 struct fscrypt_key fsKey1;
32 struct fscrypt_key *fsKey = &fsKey1;
33 union FscryptPolicy policy1;
34 union FscryptPolicy *policy = &policy1;
35 int state = *(reinterpret_cast<const int *>(data));
36 char character[MAX_NUM] = { 0x00 };
37 if (EOK != memcpy_s(character, sizeof(character)-1, data, size)) {
38 return false;
39 }
40
41 KeyCtrlGetKeyringId(state, state);
42 KeyCtrlAddKey(character, character, state);
43 KeyCtrlAddKeyEx(character, character, fsKey, state);
44 KeyCtrlSearch(state, character, character, state);
45 KeyCtrlUnlink(state, state);
46 #ifdef SUPPORT_FSCRYPT_V2
47 struct fscrypt_add_key_arg fscryptaddkeyarg;
48 struct fscrypt_add_key_arg *fscryptaddkeyarg2 = &fscryptaddkeyarg;
49 struct fscrypt_remove_key_arg fscryptremovekeyarg;
50 struct fscrypt_remove_key_arg *fscryptremovekeyarg2 = &fscryptremovekeyarg;
51 struct fscrypt_get_key_status_arg fscryptgetkeystatusarg;
52 struct fscrypt_get_key_status_arg *fscryptgetkeystatusarg2 = &fscryptgetkeystatusarg;
53 struct fscrypt_get_policy_ex_arg fscryptgetpolicyexarg;
54 struct fscrypt_get_policy_ex_arg *fscryptgetpolicyexarg2 = &fscryptgetpolicyexarg;
55 KeyCtrlInstallKey(character, fscryptaddkeyarg2);
56 KeyCtrlRemoveKey(character, fscryptremovekeyarg2);
57 KeyCtrlGetKeyStatus(character, fscryptgetkeystatusarg2);
58 KeyCtrlGetPolicyEx(character, fscryptgetpolicyexarg2);
59 #endif
60 KeyCtrlSetPolicy(character, policy);
61 KeyCtrlGetPolicy(character, fscryptpolicy2);
62 KeyCtrlGetFscryptVersion(character);
63 KeyCtrlLoadVersion(character);
64 KeyCtrlHasFscryptSyspara();
65 return true;
66 }
67 } // namespace OHOS
68
69 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)70 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
71 {
72 /* Run your code on data */
73 OHOS::SysparamDynamicFuzzTest(data, size);
74 return 0;
75 }
76