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 "cm_report_wrapper.h"
17 
18 #include "cm_log.h"
19 #include "cm_type.h"
20 
ReportFaultEvent(const char * funcName,const struct CmContext * cmContext,const char * name,int32_t errorCode)21 static int32_t ReportFaultEvent(const char *funcName, const struct CmContext *cmContext,
22     const char *name, int32_t errorCode)
23 {
24     struct EventValues eventValues = { cmContext->userId, cmContext->uid, name, errorCode };
25     int32_t ret = WriteEvent(funcName, &eventValues);
26     if (ret != CM_SUCCESS) {
27         CM_LOG_E("ReportFaultEvent failed, ret = %d", ret);
28     }
29     return ret;
30 }
31 
CheckCertName(const char * certName,uint32_t len)32 static bool CheckCertName(const char *certName, uint32_t len)
33 {
34     if ((len == 0) || (len > MAX_LEN_URI)) {
35         return false;
36     }
37 
38     for (uint32_t i = 1; i < len; ++i) { /* from index 1 has '\0' */
39         if (certName[i] == 0) {
40             return true;
41         }
42     }
43     return false;
44 }
45 
CmReport(const char * funcName,const struct CmContext * cmContext,const struct CmBlob * certName,int32_t errorCode)46 void CmReport(const char *funcName, const struct CmContext *cmContext,
47     const struct CmBlob *certName, int32_t errorCode)
48 {
49     if (errorCode == CM_SUCCESS) {
50         return;
51     }
52 
53     if ((certName == NULL) || (certName->data == NULL)) {
54         (void)ReportFaultEvent(funcName, cmContext, "NULL", errorCode);
55         return;
56     }
57 
58     if (!CheckCertName((char *)certName->data, certName->size)) {
59         CM_LOG_E("certName is invalid");
60         return;
61     }
62 
63     (void)ReportFaultEvent(funcName, cmContext, (char *)certName->data, errorCode);
64 }