1 /*
2 * Copyright (c) 2022 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 "devauthservprocessauthdata_fuzzer.h"
17 #include "device_auth.h"
18 #include "device_auth_defines.h"
19 #include "hc_dev_info.h"
20 #include "hc_log.h"
21 #include "hc_types.h"
22 #include "json_utils.h"
23 #include "securec.h"
24 #include <unistd.h>
25
26 namespace OHOS {
OnError(int64_t requestId,int operationCode,int errorCode,const char * errorReturn)27 static void OnError(int64_t requestId, int operationCode, int errorCode, const char *errorReturn)
28 {
29 LOGE("error return: %s", errorReturn);
30 }
31
OnFinish(int64_t requestId,int operationCode,const char * authReturn)32 static void OnFinish(int64_t requestId, int operationCode, const char *authReturn)
33 {
34 LOGI("return value: %s", authReturn);
35 }
36
OnSessionKeyReturned(int64_t requestId,const uint8_t * sessionKey,uint32_t sessionKeyLen)37 static void OnSessionKeyReturned(int64_t requestId, const uint8_t *sessionKey, uint32_t sessionKeyLen) {}
38
OnTransmit(int64_t requestId,const uint8_t * data,uint32_t dataLen)39 static bool OnTransmit(int64_t requestId, const uint8_t *data, uint32_t dataLen)
40 {
41 return true;
42 }
43
OnRequest(int64_t requestId,int operationCode,const char * reqParam)44 static char *OnRequest(int64_t requestId, int operationCode, const char* reqParam)
45 {
46 return nullptr;
47 }
48
49 static DeviceAuthCallback g_gaCallback = {
50 .onTransmit = OnTransmit,
51 .onSessionKeyReturned = OnSessionKeyReturned,
52 .onFinish = OnFinish,
53 .onError = OnError,
54 .onRequest = OnRequest,
55 };
56
FuzzDoProcessAuthData(const uint8_t * data,size_t size)57 bool FuzzDoProcessAuthData(const uint8_t* data, size_t size)
58 {
59 if (data == nullptr) {
60 return false;
61 }
62 InitDeviceAuthService();
63 const GroupAuthManager *gaInstance = GetGaInstance();
64 int64_t reqId = 123;
65 uint8_t *authData = reinterpret_cast<uint8_t *>(HcMalloc(size + 1, 0));
66 if (authData == nullptr) {
67 DestroyDeviceAuthService();
68 return false;
69 }
70 if (memcpy_s(authData, size, data, size) != EOK) {
71 HcFree(authData);
72 DestroyDeviceAuthService();
73 return false;
74 }
75 gaInstance->processData(reqId, authData, size, &g_gaCallback);
76 HcFree(authData);
77 sleep(1);
78 DestroyDeviceAuthService();
79 return true;
80 }
81 }
82
83 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)84 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
85 {
86 /* Run your code on data */
87 OHOS::FuzzDoProcessAuthData(data, size);
88 return 0;
89 }
90
91