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 "local_code_sign_proxy.h"
17
18 #include "errcode.h"
19 #include "ipc_types.h"
20 #include "log.h"
21
22 namespace OHOS {
23 namespace Security {
24 namespace CodeSign {
25 constexpr uint32_t MAX_REPLY_BUFFER_SIZE = 65536;
26
InitLocalCertificate(ByteBuffer & cert)27 int32_t LocalCodeSignProxy::InitLocalCertificate(ByteBuffer &cert)
28 {
29 MessageParcel data;
30 MessageParcel reply;
31 MessageOption option;
32 sptr<IRemoteObject> remote = Remote();
33 if (remote == nullptr) {
34 return CS_ERR_REMOTE_CONNECTION;
35 }
36 if (!data.WriteInterfaceToken(GetDescriptor())) {
37 return CS_ERR_IPC_WRITE_DATA;
38 }
39 if (remote->SendRequest(static_cast<uint32_t>(LocalCodeSignInterfaceCode::INIT_LOCAL_CERTIFICATE),
40 data, reply, option) != NO_ERROR) {
41 return CS_ERR_IPC_MSG_INVALID;
42 }
43 return ReadResultFromReply(reply, cert);
44 }
45
SignLocalCode(const std::string & ownerID,const std::string & filePath,ByteBuffer & signature)46 int32_t LocalCodeSignProxy::SignLocalCode(const std::string &ownerID, const std::string &filePath,
47 ByteBuffer &signature)
48 {
49 MessageParcel data;
50 MessageParcel reply;
51 MessageOption option;
52 sptr<IRemoteObject> remote = Remote();
53 if (remote == nullptr) {
54 return CS_ERR_REMOTE_CONNECTION;
55 }
56 if (!data.WriteInterfaceToken(GetDescriptor())) {
57 LOG_ERROR(LABEL, "Write interface token failed.");
58 return CS_ERR_IPC_WRITE_DATA;
59 }
60 if (!data.WriteString(filePath)) {
61 LOG_ERROR(LABEL, "Write string failed.");
62 return CS_ERR_IPC_WRITE_DATA;
63 }
64
65 if (!ownerID.empty()) {
66 if (!data.WriteString(ownerID)) {
67 LOG_ERROR(LABEL, "Write ownerID string failed.");
68 return CS_ERR_IPC_WRITE_DATA;
69 }
70 }
71 if (remote->SendRequest(static_cast<uint32_t>(LocalCodeSignInterfaceCode::SIGN_LOCAL_CODE),
72 data, reply, option) != NO_ERROR) {
73 return CS_ERR_IPC_MSG_INVALID;
74 }
75 return ReadResultFromReply(reply, signature);
76 }
77
ReadResultFromReply(MessageParcel & reply,ByteBuffer & buffer)78 int32_t LocalCodeSignProxy::ReadResultFromReply(MessageParcel &reply, ByteBuffer &buffer)
79 {
80 int32_t result;
81 if (!reply.ReadInt32(result)) {
82 return CS_ERR_IPC_READ_DATA;
83 }
84 if (result != CS_SUCCESS) {
85 return result;
86 }
87 uint32_t size;
88 if (!reply.ReadUint32(size)) {
89 return CS_ERR_IPC_READ_DATA;
90 }
91 if (size > MAX_REPLY_BUFFER_SIZE) {
92 LOG_ERROR(LABEL, "Invalid reply data size.");
93 return CS_ERR_IPC_MSG_INVALID;
94 }
95 const uint8_t *outData = reply.ReadBuffer(size);
96 if (outData == nullptr) {
97 return CS_ERR_IPC_MSG_INVALID;
98 }
99 if (!buffer.CopyFrom(outData, size)) {
100 return CS_ERR_MEMORY;
101 }
102 return CS_SUCCESS;
103 }
104 }
105 }
106 }
107
108