1 /*
2 * Copyright (c) 2020 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 "element_name_utils.h"
17
18 #include <cstring>
19
20 #include "utils.h"
21
22 #ifndef __LITEOS_M__
23 #ifdef OHOS_APPEXECFWK_BMS_BUNDLEMANAGER
24 namespace {
25 constexpr int VALUE_NULL = 0;
26 constexpr int VALUE_OBJECT = 1;
27 constexpr int MAX_BUNDLE_NAME = 127;
28 constexpr int MAX_ABILITY_NAME = 127;
29 constexpr int MAX_DEVICE_ID = 1024;
30 }
31 #endif
32 #endif
33
ClearElement(ElementName * element)34 void ClearElement(ElementName *element)
35 {
36 if (element == nullptr) {
37 return;
38 }
39
40 AdapterFree(element->deviceId);
41 AdapterFree(element->bundleName);
42 AdapterFree(element->abilityName);
43 }
44
DeleteElement(ElementName * element)45 void DeleteElement(ElementName *element)
46 {
47 AdapterFree(element);
48 }
49
SetElementDeviceID(ElementName * element,const char * deviceId)50 bool SetElementDeviceID(ElementName *element, const char *deviceId)
51 {
52 if (element == nullptr) {
53 return false;
54 }
55
56 AdapterFree(element->deviceId);
57 element->deviceId = OHOS::Utils::Strdup(deviceId);
58 return element->deviceId != nullptr;
59 }
60
SetElementBundleName(ElementName * element,const char * bundleName)61 bool SetElementBundleName(ElementName *element, const char *bundleName)
62 {
63 if (element == nullptr) {
64 return false;
65 }
66
67 AdapterFree(element->bundleName);
68 element->bundleName = OHOS::Utils::Strdup(bundleName);
69 return element->bundleName != nullptr;
70 }
71
SetElementAbilityName(ElementName * element,const char * abilityName)72 bool SetElementAbilityName(ElementName *element, const char *abilityName)
73 {
74 if (element == nullptr) {
75 return false;
76 }
77
78 AdapterFree(element->abilityName);
79 element->abilityName = OHOS::Utils::Strdup(abilityName);
80 return element->abilityName != nullptr;
81 }
82
83 #ifndef __LITEOS_M__
84 #ifdef OHOS_APPEXECFWK_BMS_BUNDLEMANAGER
SerializeElement(IpcIo * io,const ElementName * element)85 bool SerializeElement(IpcIo *io, const ElementName *element)
86 {
87 if ((io == nullptr) || (element == nullptr)) {
88 return false;
89 }
90
91 if (element->deviceId == nullptr || strlen(element->deviceId) == 0) {
92 WriteInt32(io, VALUE_NULL);
93 } else if (strlen(element->deviceId) > MAX_DEVICE_ID) {
94 return false;
95 } else {
96 WriteInt32(io, VALUE_OBJECT);
97 WriteString(io, element->deviceId);
98 }
99 if (element->bundleName == nullptr || strlen(element->bundleName) == 0) {
100 WriteInt32(io, VALUE_NULL);
101 } else if (strlen(element->bundleName) > MAX_BUNDLE_NAME) {
102 return false;
103 } else {
104 WriteInt32(io, VALUE_OBJECT);
105 WriteString(io, element->bundleName);
106 }
107 if (element->abilityName == nullptr || strlen(element->abilityName) == 0) {
108 WriteInt32(io, VALUE_NULL);
109 } else if (strlen(element->abilityName) > MAX_ABILITY_NAME) {
110 return false;
111 } else {
112 WriteInt32(io, VALUE_OBJECT);
113 WriteString(io, element->abilityName);
114 }
115 return true;
116 }
117
DeserializeElement(ElementName * element,IpcIo * io)118 bool DeserializeElement(ElementName *element, IpcIo *io)
119 {
120 if ((io == nullptr) || (element == nullptr)) {
121 return false;
122 }
123
124 int32_t naspac;
125 ReadInt32(io, &naspac);
126 if (naspac == VALUE_OBJECT &&
127 !SetElementDeviceID(element, reinterpret_cast<char *>(ReadString(io, nullptr)))) {
128 return false;
129 }
130 ReadInt32(io, &naspac);
131 if (naspac == VALUE_OBJECT &&
132 !SetElementBundleName(element, reinterpret_cast<char *>(ReadString(io, nullptr)))) {
133 ClearElement(element);
134 return false;
135 }
136 ReadInt32(io, &naspac);
137 if (naspac == VALUE_OBJECT &&
138 !SetElementAbilityName(element, reinterpret_cast<char *>(ReadString(io, nullptr)))) {
139 ClearElement(element);
140 return false;
141 }
142 return true;
143 }
144 #endif
145 #endif