1 /*
2 * Copyright (c) 2021 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 "trans_auth_message.h"
17
18 #include "securec.h"
19 #include "softbus_conn_interface.h"
20 #include "softbus_def.h"
21 #include "softbus_errcode.h"
22 #include "softbus_log.h"
23 #include "softbus_utils.h"
24
25 #define CODE_OPEN_AUTH_MSG_CHANNEL 4
26
TransAuthChannelMsgPack(cJSON * msg,const AppInfo * appInfo)27 NO_SANITIZE("cfi") int32_t TransAuthChannelMsgPack(cJSON *msg, const AppInfo *appInfo)
28 {
29 if (appInfo == NULL || msg == NULL) {
30 return SOFTBUS_INVALID_PARAM;
31 }
32 if (appInfo->reqId[0] == '\0') {
33 if (GenerateRandomStr((char *)(appInfo->reqId), REQ_ID_SIZE_MAX) != SOFTBUS_OK) {
34 return SOFTBUS_ERR;
35 }
36 }
37 if (!AddNumberToJsonObject(msg, "CODE", CODE_OPEN_AUTH_MSG_CHANNEL) ||
38 !AddStringToJsonObject(msg, "DEVICE_ID", appInfo->myData.deviceId) ||
39 !AddStringToJsonObject(msg, "PKG_NAME", appInfo->myData.pkgName) ||
40 !AddStringToJsonObject(msg, "SRC_BUS_NAME", appInfo->myData.sessionName) ||
41 !AddStringToJsonObject(msg, "DST_BUS_NAME", appInfo->peerData.sessionName) ||
42 !AddStringToJsonObject(msg, "REQ_ID", appInfo->reqId) ||
43 !AddNumberToJsonObject(msg, "MTU_SIZE", appInfo->myData.dataConfig)) {
44 SoftBusLog(SOFTBUS_LOG_TRAN, SOFTBUS_LOG_ERROR, "TransAuthChannelMsgPack failed");
45 return SOFTBUS_PARSE_JSON_ERR;
46 }
47 return SOFTBUS_OK;
48 }
49
TransAuthChannelMsgUnpack(const char * msg,AppInfo * appInfo,int32_t len)50 NO_SANITIZE("cfi") int32_t TransAuthChannelMsgUnpack(const char *msg, AppInfo *appInfo, int32_t len)
51 {
52 if (msg == NULL || appInfo == NULL) {
53 return SOFTBUS_INVALID_PARAM;
54 }
55
56 cJSON *obj = cJSON_ParseWithLength(msg, len);
57 if (obj == NULL) {
58 return SOFTBUS_PARSE_JSON_ERR;
59 }
60 int32_t errcode;
61 if (GetJsonObjectNumberItem(obj, "ERR_CODE", &errcode)) {
62 SoftBusLog(SOFTBUS_LOG_TRAN, SOFTBUS_LOG_ERROR, "unpack errcode:%d", errcode);
63 cJSON_Delete(obj);
64 return SOFTBUS_ERR;
65 }
66 if (!GetJsonObjectStringItem(obj, "DEVICE_ID", appInfo->peerData.deviceId, DEVICE_ID_SIZE_MAX) ||
67 !GetJsonObjectStringItem(obj, "PKG_NAME", appInfo->peerData.pkgName, PKG_NAME_SIZE_MAX) ||
68 !GetJsonObjectStringItem(obj, "SRC_BUS_NAME", appInfo->peerData.sessionName, SESSION_NAME_SIZE_MAX) ||
69 !GetJsonObjectStringItem(obj, "DST_BUS_NAME", appInfo->myData.sessionName, SESSION_NAME_SIZE_MAX) ||
70 !GetJsonObjectStringItem(obj, "REQ_ID", appInfo->reqId, REQ_ID_SIZE_MAX)) {
71 cJSON_Delete(obj);
72 return SOFTBUS_PARSE_JSON_ERR;
73 }
74 if (!GetJsonObjectNumberItem(obj, "MTU_SIZE", (int32_t *)&(appInfo->peerData.dataConfig))) {
75 SoftBusLog(SOFTBUS_LOG_TRAN, SOFTBUS_LOG_INFO, "peer dataconfig is null.");
76 }
77 cJSON_Delete(obj);
78 return SOFTBUS_OK;
79 }
80
TransAuthChannelErrorPack(int32_t errcode,const char * errMsg,char * cJsonStr,int32_t maxLen)81 NO_SANITIZE("cfi") int32_t TransAuthChannelErrorPack(int32_t errcode, const char *errMsg, char *cJsonStr,
82 int32_t maxLen)
83 {
84 (void)maxLen;
85 if (errMsg == NULL || cJsonStr == NULL) {
86 return SOFTBUS_INVALID_PARAM;
87 }
88
89 cJSON *obj = cJSON_CreateObject();
90 if (obj == NULL) {
91 return SOFTBUS_MALLOC_ERR;
92 }
93 if (!AddNumberToJsonObject(obj, "CODE", CODE_OPEN_AUTH_MSG_CHANNEL) ||
94 !AddNumberToJsonObject(obj, "ERR_CODE", errcode) ||
95 !AddStringToJsonObject(obj, "ERR_DESC", errMsg)) {
96 cJSON_Delete(obj);
97 return SOFTBUS_PARSE_JSON_ERR;
98 }
99 char *data = cJSON_PrintUnformatted(obj);
100 if (data == NULL) {
101 cJSON_Delete(obj);
102 return SOFTBUS_PARSE_JSON_ERR;
103 }
104 if (memcpy_s(cJsonStr, ERR_MSG_MAX_LEN, data, strlen(data)) != EOK) {
105 cJSON_Delete(obj);
106 cJSON_free(data);
107 return SOFTBUS_MEM_ERR;
108 }
109 cJSON_Delete(obj);
110 cJSON_free(data);
111 return SOFTBUS_OK;
112 }