1 /*
2 * Copyright (c) 2023-2024 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 "disable_usb_plugin.h"
17
18 #include "bool_serializer.h"
19 #include "edm_constants.h"
20 #include "edm_ipc_interface_code.h"
21 #include "edm_utils.h"
22 #include "usb_srv_client.h"
23 #include "plugin_manager.h"
24
25 namespace OHOS {
26 namespace EDM {
27 const bool REGISTER_RESULT = PluginManager::GetInstance()->AddPlugin(DisableUsbPlugin::GetPlugin());
28
InitPlugin(std::shared_ptr<IPluginTemplate<DisableUsbPlugin, bool>> ptr)29 void DisableUsbPlugin::InitPlugin(std::shared_ptr<IPluginTemplate<DisableUsbPlugin, bool>> ptr)
30 {
31 EDMLOGI("DisableUsbPlugin InitPlugin...");
32 std::map<std::string, std::string> perms;
33 perms.insert(std::make_pair(EdmConstants::PERMISSION_TAG_VERSION_11,
34 "ohos.permission.ENTERPRISE_MANAGE_USB"));
35 perms.insert(std::make_pair(EdmConstants::PERMISSION_TAG_VERSION_12,
36 "ohos.permission.ENTERPRISE_MANAGE_RESTRICTIONS"));
37 IPlugin::PolicyPermissionConfig config = IPlugin::PolicyPermissionConfig(perms,
38 IPlugin::PermissionType::SUPER_DEVICE_ADMIN, IPlugin::ApiType::PUBLIC);
39 ptr->InitAttribute(EdmInterfaceCode::DISABLE_USB, "disable_usb", config, true);
40 ptr->SetSerializer(BoolSerializer::GetInstance());
41 ptr->SetOnHandlePolicyListener(&DisableUsbPlugin::OnSetPolicy, FuncOperateType::SET);
42 ptr->SetOnAdminRemoveListener(&DisableUsbPlugin::OnAdminRemove);
43 }
44
OnSetPolicy(bool &data)45 ErrCode DisableUsbPlugin::OnSetPolicy(bool &data)
46 {
47 EDMLOGI("DisableUsbPlugin OnSetPolicy...disable = %{public}d", data);
48 if (data && HasConflictPolicy()) {
49 return EdmReturnErrCode::CONFIGURATION_CONFLICT_FAILED;
50 }
51 auto &srvClient = OHOS::USB::UsbSrvClient::GetInstance();
52 int32_t usbRet = srvClient.ManageGlobalInterface(data);
53 if (usbRet == EdmConstants::USB_ERRCODE_INTERFACE_NO_INIT) {
54 EDMLOGW("DisableUsbPlugin OnSetPolicy: ManageGlobalInterface failed! USB interface not init!");
55 }
56 if (usbRet != ERR_OK && usbRet != EdmConstants::USB_ERRCODE_INTERFACE_NO_INIT) {
57 EDMLOGE("DisableUsbPlugin OnSetPolicy: ManageGlobalInterface failed! ret:%{public}d", usbRet);
58 return EdmReturnErrCode::SYSTEM_ABNORMALLY;
59 }
60 return ERR_OK;
61 }
62
HasConflictPolicy()63 bool DisableUsbPlugin::HasConflictPolicy()
64 {
65 auto policyManager = IPolicyManager::GetInstance();
66 std::string allowUsbDevice;
67 policyManager->GetPolicy("", "allowed_usb_devices", allowUsbDevice);
68 if (!allowUsbDevice.empty()) {
69 EDMLOGE("DisableUsbPlugin POLICY CONFLICT! allowedUsbDevice: %{public}s", allowUsbDevice.c_str());
70 return true;
71 }
72 std::string disallowUsbDevice;
73 policyManager->GetPolicy("", "disallowed_usb_devices", disallowUsbDevice);
74 if (!disallowUsbDevice.empty()) {
75 EDMLOGE("DisableUsbPlugin POLICY CONFLICT! disallowUsbDevice: %{public}s", disallowUsbDevice.c_str());
76 return true;
77 }
78 std::string usbStoragePolicy;
79 policyManager->GetPolicy("", "usb_read_only", usbStoragePolicy);
80 if (usbStoragePolicy == std::to_string(EdmConstants::STORAGE_USB_POLICY_DISABLED) ||
81 usbStoragePolicy == std::to_string(EdmConstants::STORAGE_USB_POLICY_READ_ONLY)) {
82 EDMLOGE("DisableUsbPlugin POLICY CONFLICT! usbStoragePolicy: %{public}s", usbStoragePolicy.c_str());
83 return true;
84 }
85 return false;
86 }
87
OnGetPolicy(std::string &policyData, MessageParcel &data, MessageParcel &reply, int32_t userId)88 ErrCode DisableUsbPlugin::OnGetPolicy(std::string &policyData, MessageParcel &data, MessageParcel &reply,
89 int32_t userId)
90 {
91 EDMLOGI("DisableUsbPlugin OnGetPolicy %{public}s...", policyData.c_str());
92 bool isDisabled = false;
93 pluginInstance_->serializer_->Deserialize(policyData, isDisabled);
94 reply.WriteInt32(ERR_OK);
95 reply.WriteBool(isDisabled);
96 return ERR_OK;
97 }
98
OnAdminRemove(const std::string &adminName, bool &data, int32_t userId)99 ErrCode DisableUsbPlugin::OnAdminRemove(const std::string &adminName, bool &data, int32_t userId)
100 {
101 EDMLOGI("DisableUsbPlugin OnAdminRemove %{public}d...", data);
102 if (!data) {
103 return ERR_OK;
104 }
105 auto &srvClient = OHOS::USB::UsbSrvClient::GetInstance();
106 int32_t usbRet = srvClient.ManageGlobalInterface(!data);
107 if (usbRet == EdmConstants::USB_ERRCODE_INTERFACE_NO_INIT) {
108 EDMLOGW("DisableUsbPlugin OnAdminRemove: ManageGlobalInterface failed! USB interface not init!");
109 }
110 if (usbRet != ERR_OK && usbRet != EdmConstants::USB_ERRCODE_INTERFACE_NO_INIT) {
111 EDMLOGE("DisableUsbPlugin OnAdminRemove: ManageGlobalInterface failed! ret:%{public}d", usbRet);
112 return EdmReturnErrCode::SYSTEM_ABNORMALLY;
113 }
114 return ERR_OK;
115 }
116 } // namespace EDM
117 } // namespace OHOS
118