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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 #ifndef AUTH_COMMON_H
17 #define AUTH_COMMON_H
18 
19 #include <stdint.h>
20 #include <stdbool.h>
21 
22 #include "auth_interface.h"
23 #include "lnn_device_info_recovery.h"
24 #include "softbus_common.h"
25 #include "softbus_conn_interface.h"
26 #include "softbus_errcode.h"
27 #include "softbus_log.h"
28 #include "softbus_utils.h"
29 
30 #ifdef __cplusplus
31 #if __cplusplus
32 extern "C" {
33 #endif
34 #endif
35 
36 typedef enum {
37     /* data type for device authentication */
38     DATA_TYPE_AUTH = 0xFFFF0001,
39     /* data type for synchronizing peer device information */
40     DATA_TYPE_DEVICE_INFO = 0xFFFF0002,
41     /* data type for synchronizing peer device id */
42     DATA_TYPE_DEVICE_ID = 0xFFFF0003,
43     /* data type for connection */
44     DATA_TYPE_CONNECTION = 0xFFFF0004,
45     /* data type for closing ack */
46     DATA_TYPE_CLOSE_ACK = 0xFFFF0005,
47     /* data type for meta negotiation */
48     DATA_TYPE_META_NEGOTIATION = 0xFFFF0006,
49 } AuthDataType;
50 
51 #define CLIENT_SIDE_FLAG 0
52 #define SERVER_SIDE_FLAG 1
53 
54 #define CHECK_NULL_PTR_RETURN_VOID(item) \
55 if ((item) == NULL) { \
56     return; \
57 }
58 
59 #define CHECK_NULL_PTR_RETURN_VALUE(item, value) \
60 if ((item) == NULL) { \
61     return value; \
62 }
63 
64 #define CHECK_EXPRESSION_RETURN_VOID(expression) \
65 if (expression) { \
66     return; \
67 }
68 
69 #define CHECK_EXPRESSION_RETURN_VALUE(expression, value) \
70 if (expression) { \
71     return value; \
72 }
73 
74 #define SEQ_INTERVAL 2
75 #define BYTES_BIT_NUM 8
76 #define INT32_BIT_NUM 32
77 #define INT32_MASK 0xFFFFFFFF
78 #define MASK_UINT64_L32 0x00000000FFFFFFFF
79 #define MASK_UINT64_H32 0xFFFFFFFF00000000
80 
81 #define TO_INT32(value) ((int32_t)(((uint32_t)(value)) & INT32_MASK))
82 #define TO_UINT32(value) ((uint32_t)(((uint32_t)(value)) & INT32_MASK))
83 
84 typedef struct {
85     uint32_t dataType;
86     int32_t module;
87     int64_t seq;
88     int32_t flag;
89     uint32_t len;
90 } AuthDataHead;
91 
92 typedef struct {
93     void (*OnDataReceived)(int64_t authId, const AuthDataHead *head, const uint8_t *data, uint32_t len);
94     void (*OnDisconnected)(int64_t authId);
95 } AuthTransCallback;
96 
97 /* Auth handler */
98 typedef enum {
99     EVENT_CONNECT_CMD,
100     EVENT_CONNECT_RESULT,
101     EVENT_CONNECT_TIMEOUT,
102     EVENT_UPDATE_SESSION_KEY,
103     EVENT_AUTH_META_TIMEOUT,
104     EVENT_AUTH_DISCONNECT,
105     EVENT_BLE_DISCONNECT_DELAY,
106 } EventType;
107 typedef void(*EventHandler)(const void *obj);
108 int32_t PostAuthEvent(EventType event, EventHandler handler,
109     const void *obj, uint32_t size, uint64_t delayMs);
110 typedef int(*RemoveCompareFunc)(const void *obj, void *param);
111 int32_t RemoveAuthEvent(EventType event, RemoveCompareFunc func, void *param);
112 
113 /* Auth Lock */
114 bool RequireAuthLock(void);
115 void ReleaseAuthLock(void);
116 
117 /* auth config */
118 bool GetConfigSupportAsServer(void);
119 
120 /* Common Functions */
121 uint8_t *DupMemBuffer(const uint8_t *buf, uint32_t size);
122 int64_t GenSeq(bool isServer);
123 uint64_t GetCurrentTimeMs(void);
124 const char *GetAuthSideStr(bool isServer);
125 bool CompareConnInfo(const AuthConnInfo *info1, const AuthConnInfo *info2, bool cmpShortHash);
126 int32_t ConvertToConnectOption(const AuthConnInfo *connInfo, ConnectOption *option);
127 int32_t ConvertToAuthConnInfo(const ConnectionInfo *info, AuthConnInfo *connInfo);
128 int32_t GetPeerUdidByNetworkId(const char *networkId, char *udidHash);
129 
130 int32_t AuthCommonInit(void);
131 void AuthCommonDeinit(void);
132 
133 #ifdef __cplusplus
134 #if __cplusplus
135 }
136 #endif
137 #endif
138 #endif /* AUTH_COMMON_H */
139