/* * Copyright (c) 2021 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "keycontrol_fuzzer.h" #include "key_control.h" #include #include #include #define MAX_NUM 100 namespace OHOS { bool SysparamDynamicFuzzTest(const uint8_t *data, size_t size) { if ((data == nullptr) || (size < sizeof(int))) { return false; } struct fscrypt_policy fscryptpolicy; struct fscrypt_policy *fscryptpolicy2 = &fscryptpolicy; struct fscrypt_key fsKey1; struct fscrypt_key *fsKey = &fsKey1; union FscryptPolicy policy1; union FscryptPolicy *policy = &policy1; int state = *(reinterpret_cast(data)); char character[MAX_NUM] = { 0x00 }; if (EOK != memcpy_s(character, sizeof(character)-1, data, size)) { return false; } KeyCtrlGetKeyringId(state, state); KeyCtrlAddKey(character, character, state); KeyCtrlAddKeyEx(character, character, fsKey, state); KeyCtrlSearch(state, character, character, state); KeyCtrlUnlink(state, state); #ifdef SUPPORT_FSCRYPT_V2 struct fscrypt_add_key_arg fscryptaddkeyarg; struct fscrypt_add_key_arg *fscryptaddkeyarg2 = &fscryptaddkeyarg; struct fscrypt_remove_key_arg fscryptremovekeyarg; struct fscrypt_remove_key_arg *fscryptremovekeyarg2 = &fscryptremovekeyarg; struct fscrypt_get_key_status_arg fscryptgetkeystatusarg; struct fscrypt_get_key_status_arg *fscryptgetkeystatusarg2 = &fscryptgetkeystatusarg; struct fscrypt_get_policy_ex_arg fscryptgetpolicyexarg; struct fscrypt_get_policy_ex_arg *fscryptgetpolicyexarg2 = &fscryptgetpolicyexarg; KeyCtrlInstallKey(character, fscryptaddkeyarg2); KeyCtrlRemoveKey(character, fscryptremovekeyarg2); KeyCtrlGetKeyStatus(character, fscryptgetkeystatusarg2); KeyCtrlGetPolicyEx(character, fscryptgetpolicyexarg2); #endif KeyCtrlSetPolicy(character, policy); KeyCtrlGetPolicy(character, fscryptpolicy2); KeyCtrlGetFscryptVersion(character); KeyCtrlLoadVersion(character); KeyCtrlHasFscryptSyspara(); return true; } } // namespace OHOS /* Fuzzer entry point */ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { /* Run your code on data */ OHOS::SysparamDynamicFuzzTest(data, size); return 0; }