1 /*
2 * Copyright (c) 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 <hdf_base.h>
17 #include <hdf_device_desc.h>
18 #include <hdf_log.h>
19 #include <hdf_sbuf_ipc.h>
20 #include "v1_0/secure_element_interface_stub.h"
21 #include "secure_element_interface_service.h"
22
23 #define HDF_LOG_TAG secure_element_interface_driver
24
25 using namespace OHOS::HDI::SecureElement::SimSecureElement::V1_0;
26
27 struct HdfSecureElementInterfaceHost {
28 struct IDeviceIoService ioService;
29 OHOS::sptr<OHOS::IRemoteObject> stub;
30 };
31
SecureElementInterfaceDriverDispatch(struct HdfDeviceIoClient * client,int cmdId,struct HdfSBuf * data,struct HdfSBuf * reply)32 static int32_t SecureElementInterfaceDriverDispatch(struct HdfDeviceIoClient* client, int cmdId, struct HdfSBuf *data,
33 struct HdfSBuf *reply)
34 {
35 auto* hdfSecureElementInterfaceHost =
36 CONTAINER_OF(client->device->service, struct HdfSecureElementInterfaceHost, ioService);
37
38 OHOS::MessageParcel* dataParcel = nullptr;
39 OHOS::MessageParcel* replyParcel = nullptr;
40 OHOS::MessageOption option;
41
42 if (SbufToParcel(data, &dataParcel) != HDF_SUCCESS) {
43 HDF_LOGE("%{public}s: invalid data sbuf object to dispatch", __func__);
44 return HDF_ERR_INVALID_PARAM;
45 }
46 if (SbufToParcel(reply, &replyParcel) != HDF_SUCCESS) {
47 HDF_LOGE("%{public}s: invalid reply sbuf object to dispatch", __func__);
48 return HDF_ERR_INVALID_PARAM;
49 }
50
51 return hdfSecureElementInterfaceHost->stub->SendRequest(cmdId, *dataParcel, *replyParcel, option);
52 }
53
HdfSecureElementInterfaceDriverInit(struct HdfDeviceObject * deviceObject)54 static int HdfSecureElementInterfaceDriverInit(struct HdfDeviceObject* deviceObject)
55 {
56 HDF_LOGI("%{public}s: driver init start", __func__);
57 return HDF_SUCCESS;
58 }
59
HdfSecureElementInterfaceDriverBind(struct HdfDeviceObject * deviceObject)60 static int HdfSecureElementInterfaceDriverBind(struct HdfDeviceObject* deviceObject)
61 {
62 HDF_LOGI("%{public}s: driver bind start", __func__);
63 auto* hdfSecureElementInterfaceHost = new (std::nothrow) HdfSecureElementInterfaceHost;
64 if (hdfSecureElementInterfaceHost == nullptr) {
65 HDF_LOGE("%{public}s: failed to create hdfSecureElementInterfaceHost object!", __func__);
66 return HDF_FAILURE;
67 }
68
69 hdfSecureElementInterfaceHost->ioService.Dispatch = SecureElementInterfaceDriverDispatch;
70 hdfSecureElementInterfaceHost->ioService.Open = nullptr;
71 hdfSecureElementInterfaceHost->ioService.Release = nullptr;
72
73 sptr<OHOS::HDI::SecureElement::SimSecureElement::V1_0::ISecureElementInterface> serviceImpl =
74 new (std::nothrow) SecureElementInterfaceService();
75 HDF_LOGE("%{public}s :serviceImpl fzj", __func__);
76 if (serviceImpl == nullptr) {
77 HDF_LOGE("%{public}s: failed to get of implement service", __func__);
78 delete hdfSecureElementInterfaceHost;
79 return HDF_FAILURE;
80 }
81
82 hdfSecureElementInterfaceHost->stub = OHOS::HDI::ObjectCollector::GetInstance().GetOrNewObject(serviceImpl,
83 OHOS::HDI::SecureElement::SimSecureElement::V1_0::ISecureElementInterface::GetDescriptor());
84 if (hdfSecureElementInterfaceHost->stub == nullptr) {
85 HDF_LOGE("%{public}s: failed to get stub object", __func__);
86 delete hdfSecureElementInterfaceHost;
87 return HDF_FAILURE;
88 }
89
90 deviceObject->service = &hdfSecureElementInterfaceHost->ioService;
91 return HDF_SUCCESS;
92 }
93
HdfSecureElementInterfaceDriverRelease(struct HdfDeviceObject * deviceObject)94 static void HdfSecureElementInterfaceDriverRelease(struct HdfDeviceObject* deviceObject)
95 {
96 if (deviceObject->service == nullptr) {
97 HDF_LOGE("HdfSecureElementInterfaceDriverRelease not initted");
98 return;
99 }
100
101 auto* hdfSecureElementInterfaceHost =
102 CONTAINER_OF(deviceObject->service, struct HdfSecureElementInterfaceHost, ioService);
103 if (hdfSecureElementInterfaceHost != nullptr) {
104 delete hdfSecureElementInterfaceHost;
105 }
106 }
107
108 static struct HdfDriverEntry g_secureelementInterfaceDriverEntry = {
109 .moduleVersion = 1,
110 .moduleName = "sim_secure_element_service",
111 .Bind = HdfSecureElementInterfaceDriverBind,
112 .Init = HdfSecureElementInterfaceDriverInit,
113 .Release = HdfSecureElementInterfaceDriverRelease,
114 };
115
116 #ifdef __cplusplus
117 extern "C" {
118 #endif /* __cplusplus */
119 HDF_INIT(g_secureelementInterfaceDriverEntry);
120 #ifdef __cplusplus
121 }
122 #endif /* __cplusplus */
123