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 <hdf_base.h>
17 #include <hdf_device_desc.h>
18 #include <hdf_sbuf_ipc.h>
19
20 #include "iam_logger.h"
21 #include "useriam_common.h"
22
23 #include "v1_1/user_auth_interface_stub.h"
24
25 #define LOG_LABEL OHOS::UserIam::Common::LABEL_USER_AUTH_HDI
26
27 struct HdfUserAuthInterfaceHost {
28 struct IDeviceIoService ioService;
29 OHOS::sptr<OHOS::IRemoteObject> stub;
30 };
31
UserAuthInterfaceDriverDispatch(struct HdfDeviceIoClient * client,int cmdId,struct HdfSBuf * data,struct HdfSBuf * reply)32 static int32_t UserAuthInterfaceDriverDispatch(struct HdfDeviceIoClient *client, int cmdId, struct HdfSBuf *data,
33 struct HdfSBuf *reply)
34 {
35 if (client == nullptr || data == nullptr || reply == nullptr || client->device == nullptr ||
36 client->device->service == nullptr) {
37 IAM_LOGE("invalid param");
38 return HDF_ERR_INVALID_PARAM;
39 }
40
41 auto *hdfUserAuthInterfaceHost = CONTAINER_OF(client->device->service, struct HdfUserAuthInterfaceHost, ioService);
42 if (hdfUserAuthInterfaceHost == nullptr || hdfUserAuthInterfaceHost->stub == nullptr) {
43 IAM_LOGE("hdfUserAuthInterfaceHost is invalid");
44 return HDF_ERR_INVALID_PARAM;
45 }
46
47 OHOS::MessageParcel *dataParcel = nullptr;
48 OHOS::MessageParcel *replyParcel = nullptr;
49 OHOS::MessageOption option;
50 if (SbufToParcel(data, &dataParcel) != HDF_SUCCESS) {
51 IAM_LOGE("invalid data sbuf object to dispatch");
52 return HDF_ERR_INVALID_PARAM;
53 }
54 if (SbufToParcel(reply, &replyParcel) != HDF_SUCCESS) {
55 IAM_LOGE("invalid reply sbuf object to dispatch");
56 return HDF_ERR_INVALID_PARAM;
57 }
58
59 return hdfUserAuthInterfaceHost->stub->SendRequest(cmdId, *dataParcel, *replyParcel, option);
60 }
61
HdfUserAuthInterfaceDriverInit(struct HdfDeviceObject * deviceObject)62 static int HdfUserAuthInterfaceDriverInit(struct HdfDeviceObject *deviceObject)
63 {
64 IAM_LOGI("HdfUserAuthInterfaceDriverInit enter");
65 return HDF_SUCCESS;
66 }
67
HdfUserAuthInterfaceDriverBind(struct HdfDeviceObject * deviceObject)68 static int HdfUserAuthInterfaceDriverBind(struct HdfDeviceObject *deviceObject)
69 {
70 IAM_LOGI("HdfUserAuthInterfaceDriverBind enter");
71 if (deviceObject == nullptr) {
72 IAM_LOGE("deviceObject is nullptr");
73 return HDF_ERR_INVALID_PARAM;
74 }
75 auto *hdfUserAuthInterfaceHost = new (std::nothrow) HdfUserAuthInterfaceHost;
76 if (hdfUserAuthInterfaceHost == nullptr) {
77 IAM_LOGE("failed to create create HdfUserAuthInterfaceHost object");
78 return HDF_FAILURE;
79 }
80
81 hdfUserAuthInterfaceHost->ioService.Dispatch = UserAuthInterfaceDriverDispatch;
82 hdfUserAuthInterfaceHost->ioService.Open = nullptr;
83 hdfUserAuthInterfaceHost->ioService.Release = nullptr;
84
85 auto serviceImpl = OHOS::HDI::UserAuth::V1_1::IUserAuthInterface::Get(true);
86 if (serviceImpl == nullptr) {
87 IAM_LOGE("failed to get of implement service");
88 delete hdfUserAuthInterfaceHost;
89 return HDF_FAILURE;
90 }
91
92 hdfUserAuthInterfaceHost->stub = OHOS::HDI::ObjectCollector::GetInstance().GetOrNewObject(
93 serviceImpl, OHOS::HDI::UserAuth::V1_1::IUserAuthInterface::GetDescriptor());
94 if (hdfUserAuthInterfaceHost->stub == nullptr) {
95 IAM_LOGE("failed to get stub object");
96 delete hdfUserAuthInterfaceHost;
97 return HDF_FAILURE;
98 }
99
100 deviceObject->service = &hdfUserAuthInterfaceHost->ioService;
101 return HDF_SUCCESS;
102 }
103
HdfUserAuthInterfaceDriverRelease(struct HdfDeviceObject * deviceObject)104 static void HdfUserAuthInterfaceDriverRelease(struct HdfDeviceObject *deviceObject)
105 {
106 IAM_LOGI("HdfUserAuthInterfaceDriverRelease enter");
107 if (deviceObject == nullptr || deviceObject->service == nullptr) {
108 IAM_LOGE("deviceObject is invalid");
109 return;
110 }
111 auto *hdfUserAuthInterfaceHost = CONTAINER_OF(deviceObject->service, struct HdfUserAuthInterfaceHost, ioService);
112 if (hdfUserAuthInterfaceHost == nullptr) {
113 IAM_LOGE("hdfUserAuthInterfaceHost is nullptr");
114 return;
115 }
116 delete hdfUserAuthInterfaceHost;
117 }
118
119 struct HdfDriverEntry g_userAuthInterfaceDriverEntry = {
120 .moduleVersion = 1,
121 .moduleName = "drivers_peripheral_user_auth",
122 .Bind = HdfUserAuthInterfaceDriverBind,
123 .Init = HdfUserAuthInterfaceDriverInit,
124 .Release = HdfUserAuthInterfaceDriverRelease,
125 };
126
127 #ifdef __cplusplus
128 extern "C" {
129 #endif /* __cplusplus */
130 HDF_INIT(g_userAuthInterfaceDriverEntry);
131 #ifdef __cplusplus
132 }
133 #endif /* __cplusplus */
134