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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 "trans_channel_limit.h"
17 
18 #include <securec.h>
19 
20 #include "softbus_def.h"
21 #include "softbus_log.h"
22 
23 
24 #define AUTH_SESSION_WHITE_LIST_NUM (8)
25 static char g_sessionWhiteList[AUTH_SESSION_WHITE_LIST_NUM][SESSION_NAME_SIZE_MAX] = {
26     "ohos.distributedhardware.devicemanager.resident",
27     "com.huawei.devicegroupmanage",
28     "IShareAuthSession",
29     "com.huawei.devicemanager.resident",
30     "com.huawei.plrdtest.dsoftbus",
31     "com.huawei.android.airsharing+CastPlusDiscoveryModule",
32     "com.huawei.dmsdp+dmsdp",
33     "com.huawei.devicemanager.dynamic",
34 };
35 
36 #define NO_PKG_NAME_SESSION_WHITE_LIST_NUM (1)
37 static char g_noPkgNameSessionWhiteList[NO_PKG_NAME_SESSION_WHITE_LIST_NUM][SESSION_NAME_SIZE_MAX] = {
38     "com.huawei.devicemanager.resident",
39 };
40 
CheckSessionNameValidOnAuthChannel(const char * sessionName)41 NO_SANITIZE("cfi") bool CheckSessionNameValidOnAuthChannel(const char *sessionName)
42 {
43     if (sessionName == NULL) {
44         return false;
45     }
46 
47     uint16_t index = 0;
48     size_t len = 0;
49     for (; index < AUTH_SESSION_WHITE_LIST_NUM; ++index) {
50         len = strnlen(g_sessionWhiteList[index], SESSION_NAME_SIZE_MAX);
51         if (strncmp(sessionName, g_sessionWhiteList[index], len) == 0) {
52             return true;
53         }
54     }
55     SoftBusLog(SOFTBUS_LOG_TRAN, SOFTBUS_LOG_INFO,
56         "auth channel sessionname[%s] invalid.", sessionName);
57     return false;
58 }
59 
IsNoPkgNameSession(const char * sessionName)60 bool IsNoPkgNameSession(const char *sessionName)
61 {
62     if (sessionName == NULL) {
63         return false;
64     }
65 
66     uint16_t index = 0;
67     size_t len = 0;
68     for (; index < NO_PKG_NAME_SESSION_WHITE_LIST_NUM; ++index) {
69         len = strnlen(g_noPkgNameSessionWhiteList[index], SESSION_NAME_SIZE_MAX);
70         if (strncmp(sessionName, g_noPkgNameSessionWhiteList[index], len) == 0) {
71             return true;
72         }
73     }
74 
75     return false;
76 }
77