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_STS_) || defined(_CUT_STS_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 "key_agreement_version.h"
25 #include "add_auth_info.h"
26
parse_auth_start_response(const char * payload,enum json_object_data_type data_type)27 void *parse_auth_start_response(const char *payload, enum json_object_data_type data_type)
28 {
29 struct sts_start_response_data *auth_start_response =
30 (struct sts_start_response_data *)MALLOC(sizeof(struct sts_start_response_data));
31 if (auth_start_response == NULL) {
32 return NULL;
33 }
34 (void)memset_s(auth_start_response, sizeof(*auth_start_response), 0, sizeof(*auth_start_response));
35 json_handle obj = parse_payload(payload, data_type);
36 if (obj == NULL) {
37 LOGE("Parse AuthStart Response parse payload failed");
38 goto error;
39 }
40 /* authData */
41 int32_t result = byte_convert(obj, FIELD_AUTH_DATA, auth_start_response->auth_data.auth_data,
42 &auth_start_response->auth_data.length, HC_AUTH_DATA_BUFF_LEN);
43 if (result != HC_OK) {
44 LOGE("Parse AuthStart Response failed, field is null in authData");
45 goto error;
46 }
47
48 /* challenge */
49 result = byte_convert(obj, FIELD_CHALLENGE, auth_start_response->challenge.challenge,
50 &auth_start_response->challenge.length, CHALLENGE_BUFF_LENGTH);
51 if (result != HC_OK) {
52 LOGE("Parse AuthStart Response failed, field is null in challenge");
53 goto error;
54 }
55
56 /* salt */
57 result = byte_convert(obj, FIELD_SALT, auth_start_response->salt.salt,
58 (uint32_t *)&auth_start_response->salt.length, HC_SALT_BUFF_LEN);
59 if (result != HC_OK) {
60 LOGE("Parse AuthStart Response failed, field is null in salt");
61 goto error;
62 }
63
64 /* epk */
65 result = byte_convert(obj, FIELD_EPK, auth_start_response->epk.stpk,
66 &auth_start_response->epk.length, HC_ST_PUBLIC_KEY_LEN);
67 if (result != HC_OK) {
68 LOGE("Parse AuthStart Response failed, field is null in epk");
69 goto error;
70 }
71 /* version */
72 json_pobject obj_ver = get_json_obj(obj, FIELD_VERSION);
73 bool ret = parse_version(obj_ver, &auth_start_response->self_version, &auth_start_response->self_support_version);
74 if (!ret) {
75 LOGE("Parse AuthStart Response failed, field is null in version");
76 goto error;
77 }
78 free_payload(obj, data_type);
79 return (void *)auth_start_response;
80 error:
81 free_payload(obj, data_type);
82 FREE(auth_start_response);
83 return NULL;
84 }
85
free_auth_start_response(void * obj)86 void free_auth_start_response(void *obj)
87 {
88 if (obj != NULL) {
89 FREE(obj);
90 }
91 }
92
make_response_json_str(struct sts_start_response_data * as_res,struct sts_start_response_data_hex tmp_hex)93 static char *make_response_json_str(struct sts_start_response_data *as_res,
94 struct sts_start_response_data_hex tmp_hex)
95 {
96 char *tmp_str = (char *)MALLOC(RET_STR_LENGTH);
97 if (tmp_str == NULL) {
98 return NULL;
99 }
100
101 (void)memset_s(tmp_str, RET_STR_LENGTH, 0, RET_STR_LENGTH);
102 if (snprintf_s(tmp_str, RET_STR_LENGTH, RET_STR_LENGTH - 1,
103 "{\"%s\":%d,\"%s\":%d,\"%s\":{\"%s\":\"%s\",\"%s\":\"%s\",\"%s\":\"%s\",\"%s\":\"%s\","
104 "\"%s\":{\"%s\":\"%u.%u.%u\",\"%s\":\"%u.%u.%u\"},\"%s\":\"%s\",\"%s\":\"%d\"}}",
105 FIELD_AUTH_FORM, AUTH_FORM, FIELD_MESSAGE, AUTH_START_RESPONSE, FIELD_PAYLOAD, FIELD_AUTH_DATA,
106 tmp_hex.tmp_auth_data_hex, FIELD_CHALLENGE, tmp_hex.tmp_cha_data_hex, FIELD_EPK,
107 tmp_hex.tmp_epk_data_hex, FIELD_SALT, tmp_hex.tmp_salt_data_hex,
108 FIELD_VERSION, FIELD_CURRENT_VERSION, as_res->self_version.first,
109 as_res->self_version.second, as_res->self_version.third, FIELD_MIN_VERSION,
110 as_res->self_support_version.first, as_res->self_support_version.second,
111 as_res->self_support_version.third, FIELD_PEER_AUTH_ID, tmp_hex.tmp_auth_id_data_hex,
112 FIELD_PEER_USER_TYPE, as_res->peer_user_type) < 0) {
113 LOGE("String generate failed");
114 FREE(tmp_str);
115 tmp_str = NULL;
116 }
117 return tmp_str;
118 }
119
make_auth_start_response(void * data)120 char *make_auth_start_response(void *data)
121 {
122 struct sts_start_response_data *as_res = data;
123 struct sts_start_response_data_hex tmp_hex = {0, 0, 0, 0, 0};
124 /* authData */
125 tmp_hex.tmp_auth_data_hex = raw_byte_to_hex_string(as_res->auth_data.auth_data, as_res->auth_data.length);
126 if (tmp_hex.tmp_auth_data_hex == NULL) {
127 return NULL;
128 }
129 /* challenge */
130 tmp_hex.tmp_cha_data_hex = raw_byte_to_hex_string(as_res->challenge.challenge, as_res->challenge.length);
131 if (tmp_hex.tmp_cha_data_hex == NULL) {
132 FREE(tmp_hex.tmp_auth_data_hex);
133 return NULL;
134 }
135 /* salt */
136 tmp_hex.tmp_salt_data_hex = raw_byte_to_hex_string(as_res->salt.salt, as_res->salt.length);
137 if (tmp_hex.tmp_salt_data_hex == NULL) {
138 FREE(tmp_hex.tmp_auth_data_hex);
139 FREE(tmp_hex.tmp_cha_data_hex);
140 return NULL;
141 }
142 /* epk */
143 tmp_hex.tmp_epk_data_hex = raw_byte_to_hex_string(as_res->epk.stpk, as_res->epk.length);
144 if (tmp_hex.tmp_epk_data_hex == NULL) {
145 FREE(tmp_hex.tmp_auth_data_hex);
146 FREE(tmp_hex.tmp_cha_data_hex);
147 FREE(tmp_hex.tmp_salt_data_hex);
148 return NULL;
149 }
150 /* peerAuthId */
151 tmp_hex.tmp_auth_id_data_hex = raw_byte_to_hex_string(as_res->self_auth_id.auth_id, as_res->self_auth_id.length);
152 if (tmp_hex.tmp_auth_id_data_hex == NULL) {
153 FREE(tmp_hex.tmp_epk_data_hex);
154 FREE(tmp_hex.tmp_cha_data_hex);
155 FREE(tmp_hex.tmp_salt_data_hex);
156 FREE(tmp_hex.tmp_auth_data_hex);
157 return NULL;
158 }
159 char *ret_str = make_response_json_str(as_res, tmp_hex);
160
161 FREE(tmp_hex.tmp_auth_data_hex);
162 FREE(tmp_hex.tmp_cha_data_hex);
163 FREE(tmp_hex.tmp_salt_data_hex);
164 FREE(tmp_hex.tmp_epk_data_hex);
165 FREE(tmp_hex.tmp_auth_id_data_hex);
166 return ret_str;
167 }
168
169 #else /* _CUT_XXX_ */
170
171 #include "parsedata.h"
172 DEFINE_EMPTY_STRUCT_FUNC(auth_start_response)
173
174 #endif /* _CUT_XXX_ */
175