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 #if !(defined(_CUT_PAKE_) || defined(_CUT_PAKE_SERVER_) || defined(_CUT_EXCHANGE_) || defined(_CUT_EXCHANGE_SERVER_))
17
18 #include "securec.h"
19 #include "log.h"
20 #include "mem_stat.h"
21 #include "jsonutil.h"
22 #include "commonutil.h"
23 #include "parsedata.h"
24 #include "exchange_auth_info.h"
25 #include "key_agreement_version.h"
26
parse_exchange_data(const char * payload,enum json_object_data_type data_type)27 void *parse_exchange_data(const char *payload, enum json_object_data_type data_type)
28 {
29 struct exchange_auth_data *exchange_auth_data =
30 (struct exchange_auth_data *)MALLOC(sizeof(struct exchange_auth_data));
31 if (exchange_auth_data == NULL) {
32 return NULL;
33 }
34 (void)memset_s(exchange_auth_data, sizeof(*exchange_auth_data), 0, sizeof(*exchange_auth_data));
35 json_handle obj = parse_payload(payload, data_type);
36 if (obj == NULL) {
37 LOGE("Parse Exchange Data parse payload failed");
38 goto error;
39 }
40 /* authId */
41 int32_t result = byte_convert(obj, FIELD_AUTH_ID, exchange_auth_data->auth_id.auth_id,
42 (uint32_t *)&exchange_auth_data->auth_id.length, HC_AUTH_ID_BUFF_LEN);
43 if (result != HC_OK) {
44 LOGE("Parse Exchange Data failed, field is null in authId");
45 goto error;
46 }
47 /* authPk */
48 result = byte_convert(obj, FIELD_AUTH_PK, exchange_auth_data->ltpk.ltpk,
49 (uint32_t *)&exchange_auth_data->ltpk.length, HC_LT_PRIVATE_KEY_LEN);
50 if (result != HC_OK) {
51 LOGE("Parse Exchange Data failed, field is null in authPk");
52 goto error;
53 }
54 free_payload(obj, data_type);
55 return (void *)exchange_auth_data;
56 error:
57 free_payload(obj, data_type);
58 FREE(exchange_auth_data);
59 return NULL;
60 }
61
free_exchange_data(void * obj)62 void free_exchange_data(void *obj)
63 {
64 if (obj != NULL) {
65 FREE(obj);
66 }
67 }
68
make_exchange_data(void * data)69 char *make_exchange_data(void *data)
70 {
71 struct exchange_auth_data *exchange_auth_data = data;
72 /* authId */
73 uint8_t *tmp_auth_id_data_hex = raw_byte_to_hex_string(exchange_auth_data->auth_id.auth_id,
74 exchange_auth_data->auth_id.length);
75 if (tmp_auth_id_data_hex == NULL) {
76 return NULL;
77 }
78 /* authPk */
79 uint8_t *tmp_auth_pk_data_hex = raw_byte_to_hex_string(exchange_auth_data->ltpk.ltpk,
80 exchange_auth_data->ltpk.length);
81 if (tmp_auth_pk_data_hex == NULL) {
82 FREE(tmp_auth_id_data_hex);
83 return NULL;
84 }
85 char *ret_str = (char *)MALLOC(RET_STR_LENGTH);
86 if (ret_str == NULL) {
87 FREE(tmp_auth_id_data_hex);
88 FREE(tmp_auth_pk_data_hex);
89 return NULL;
90 }
91 (void)memset_s(ret_str, RET_STR_LENGTH, 0, RET_STR_LENGTH);
92 if (snprintf_s(ret_str, RET_STR_LENGTH, RET_STR_LENGTH - 1, "{\"%s\":\"%s\", \"%s\":\"%s\"}", FIELD_AUTH_ID,
93 tmp_auth_id_data_hex, FIELD_AUTH_PK, tmp_auth_pk_data_hex) < 0) {
94 LOGE("String generate failed");
95 FREE(ret_str);
96 ret_str = NULL;
97 }
98 FREE(tmp_auth_id_data_hex);
99 FREE(tmp_auth_pk_data_hex);
100 return ret_str;
101 }
102
103 #else /* _CUT_XXX_ */
104
105 #include "parsedata.h"
106 DEFINE_EMPTY_STRUCT_FUNC(exchange_data)
107
108 #endif /* _CUT_XXX_ */
109