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_))
17
18 #include "securec.h"
19 #include "log.h"
20 #include "mem_stat.h"
21 #include "jsonutil.h"
22 #include "commonutil.h"
23 #include "pake_server.h"
24 #include "key_agreement_version.h"
25 #include "parsedata.h"
26
parse_pake_response(const char * payload,enum json_object_data_type data_type)27 void *parse_pake_response(const char *payload, enum json_object_data_type data_type)
28 {
29 struct pake_start_response_data *pake_response =
30 (struct pake_start_response_data *)MALLOC(sizeof(struct pake_start_response_data));
31 if (pake_response == NULL) {
32 return NULL;
33 }
34 (void)memset_s(pake_response, sizeof(*pake_response), 0, sizeof(*pake_response));
35 json_pobject obj = parse_payload(payload, data_type);
36 if (obj == NULL) {
37 LOGE("Parse Pake Response parse payload failed");
38 goto error;
39 }
40 /* challenge */
41 int32_t result = byte_convert(obj, FIELD_CHALLENGE, pake_response->challenge.challenge,
42 &pake_response->challenge.length, CHALLENGE_BUFF_LENGTH);
43 if (result != HC_OK) {
44 LOGE("Parse Pake Response failed, field is null in challenge");
45 goto error;
46 }
47 /* salt */
48 result = byte_convert(obj, FIELD_SALT, pake_response->salt.salt,
49 (uint32_t *)&pake_response->salt.length, HC_SALT_BUFF_LEN);
50 if (result != HC_OK) {
51 LOGE("Parse Pake Response failed, field is null in salt");
52 goto error;
53 }
54 /* epk */
55 result = byte_convert(obj, FIELD_EPK, pake_response->epk.epk,
56 &pake_response->epk.length, PAKE_EPK_LENGTH);
57 if (result != HC_OK) {
58 LOGE("Parse Pake Response failed, field is null in epk");
59 goto error;
60 }
61 /* version */
62 json_pobject obj_ver = get_json_obj(obj, FIELD_VERSION);
63 bool ret = parse_version(obj_ver, &pake_response->self_version, &pake_response->self_support_version);
64 if (!ret) {
65 LOGE("Parse Pake Response failed, field is null in version");
66 goto error;
67 }
68 free_payload(obj, data_type);
69 return (void *)pake_response;
70 error:
71 free_payload(obj, data_type);
72 FREE(pake_response);
73 return NULL;
74 }
75
free_pake_response(void * obj)76 void free_pake_response(void *obj)
77 {
78 if (obj != NULL) {
79 FREE(obj);
80 }
81 }
82
83 #else /* _CUT_XXX_ */
84
85 #include "parsedata.h"
86 DEFINE_EMPTY_STRUCT_FUNC(pake_response)
87
88 #endif /* _CUT_XXX_ */
89