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 "cm_response.h"
17
18 #include <dlfcn.h>
19 #include <sys/time.h>
20 #include <sys/types.h>
21 #include <unistd.h>
22
23 #include "ipc_skeleton.h"
24
25 #include "cm_log.h"
26 #include "cm_mem.h"
27 #include "os_account_manager.h"
28
29 #define MAX_SIZE_CAPACITY 409600
30
31 using namespace OHOS;
32
CmSendResponse(const struct CmContext * context,int32_t result,const struct CmBlob * response)33 void CmSendResponse(const struct CmContext *context, int32_t result, const struct CmBlob *response)
34 {
35 if (context == nullptr) {
36 CM_LOG_E("SendResponse NULL Pointer");
37 return;
38 }
39 MessageParcel *reply = reinterpret_cast<MessageParcel *>(const_cast<CmContext *>(context));
40 reply->WriteInt32(result);
41 if (result != CM_SUCCESS) {
42 CM_LOG_E("SendResponse result is %d.", result);
43 return;
44 }
45 if (response == nullptr) {
46 reply->WriteUint32(0);
47 } else {
48 reply->SetMaxCapacity(MAX_SIZE_CAPACITY);
49 reply->WriteUint32(response->size);
50 reply->WriteBuffer(response->data, static_cast<size_t>(response->size));
51 }
52 }
53
CmGetProcessInfoForIPC(struct CmContext * cmContext)54 int32_t CmGetProcessInfoForIPC(struct CmContext *cmContext)
55 {
56 if (cmContext == nullptr) {
57 CM_LOG_D("CmGetProcessInfoForIPC Paramset is Invalid");
58 return CM_FAILURE;
59 }
60
61 int userId = 0;
62 auto callingUid = IPCSkeleton::GetCallingUid();
63
64 OHOS::AccountSA::OsAccountManager::GetOsAccountLocalIdFromUid(callingUid, userId);
65
66 cmContext->uid = (uint32_t)callingUid;
67 cmContext->userId = static_cast<uint32_t>(userId);
68
69 return CM_SUCCESS;
70 }
71