1 /*
2 * Copyright (c) 2023 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 "domain_account_callback_stub.h"
17
18 #include <securec.h>
19 #include "account_log_wrapper.h"
20 #include "ipc_skeleton.h"
21
22 namespace OHOS {
23 namespace AccountSA {
24 namespace {
25 const unsigned int DOMAIN_DATA_MAX_SIZE = 6144; // os account and domain account property limits addition
26 }
27
DomainAccountCallbackStub()28 DomainAccountCallbackStub::DomainAccountCallbackStub()
29 {}
30
~DomainAccountCallbackStub()31 DomainAccountCallbackStub::~DomainAccountCallbackStub()
32 {}
33
34
OnRemoteRequest(std::uint32_t code,MessageParcel & data,MessageParcel & reply,MessageOption & option)35 int32_t DomainAccountCallbackStub::OnRemoteRequest(
36 std::uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option)
37 {
38 ACCOUNT_LOGI("Received stub message: %{public}d, callingUid: %{public}d", code, IPCSkeleton::GetCallingUid());
39 if (data.ReadInterfaceToken() != GetDescriptor()) {
40 ACCOUNT_LOGE(
41 "check descriptor failed! code %{public}u, callingUid: %{public}d", code, IPCSkeleton::GetCallingUid());
42 return ERR_ACCOUNT_COMMON_CHECK_DESCRIPTOR_ERROR;
43 }
44 return ProcOnResult(data, reply);
45 }
46
ProcOnResult(MessageParcel & data,MessageParcel & reply)47 int32_t DomainAccountCallbackStub::ProcOnResult(MessageParcel &data, MessageParcel &reply)
48 {
49 int32_t result;
50 if (!data.ReadInt32(result)) {
51 ACCOUNT_LOGE("failed to read result");
52 return ERR_ACCOUNT_COMMON_READ_PARCEL_ERROR;
53 }
54 uint32_t size;
55 if (!data.ReadUint32(size)) {
56 ACCOUNT_LOGE("failed to read size");
57 return ERR_ACCOUNT_COMMON_READ_PARCEL_ERROR;
58 }
59 if (size > DOMAIN_DATA_MAX_SIZE) {
60 return ERR_ACCOUNT_COMMON_INVALID_PARAMETER;
61 }
62 const uint8_t *buffer = data.ReadBuffer(size);
63 if (buffer == nullptr) {
64 ACCOUNT_LOGE("failed to read buffer");
65 return ERR_ACCOUNT_COMMON_READ_PARCEL_ERROR;
66 }
67 void *buffer_new = nullptr;
68 buffer_new = malloc(size);
69 if (buffer_new == nullptr) {
70 return ERR_ACCOUNT_COMMON_INSUFFICIENT_MEMORY_ERROR;
71 }
72 if (memcpy_s(buffer_new, size, buffer, size) != EOK) {
73 free(buffer_new);
74 buffer_new = nullptr;
75 return ERR_ACCOUNT_COMMON_INSUFFICIENT_MEMORY_ERROR;
76 }
77 Parcel parcel;
78 if (!parcel.ParseFrom(reinterpret_cast<uintptr_t>(buffer_new), size)) {
79 ACCOUNT_LOGE("failed to parse from");
80 free(buffer_new);
81 buffer_new = nullptr;
82 return ERR_ACCOUNT_COMMON_READ_PARCEL_ERROR;
83 }
84 OnResult(result, parcel);
85 return ERR_NONE;
86 }
87 } // namespace AccountSA
88 } // namespace OHOS
89