1 /*
2 * Copyright (C) 2024 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 "udid_manager.h"
17
18 #include <string.h>
19
20 #include "securec.h"
21
22 #include "adaptor_log.h"
23
24 static uint8_t g_localUdidBuffer[UDID_LEN] = { 0 };
25
SetLocalUdid(const char * udid)26 bool SetLocalUdid(const char *udid)
27 {
28 IF_TRUE_LOGE_AND_RETURN_VAL(udid == NULL, false);
29 if (strlen(udid) != UDID_LEN) {
30 LOG_ERROR("udid size is invalid");
31 return false;
32 }
33 if (memcpy_s(g_localUdidBuffer, UDID_LEN, udid, UDID_LEN) != EOK) {
34 LOG_ERROR("memcpy_s failed");
35 return false;
36 }
37 return true;
38 }
39
IsLocalUdidExit()40 static bool IsLocalUdidExit()
41 {
42 uint8_t emptyUdid[UDID_LEN] = { 0 };
43 if (memcmp(emptyUdid, g_localUdidBuffer, UDID_LEN) == 0) {
44 LOG_ERROR("g_localUdidBuffer not set");
45 return false;
46 }
47 return true;
48 }
49
GetLocalUdid(Uint8Array * udid)50 bool GetLocalUdid(Uint8Array *udid)
51 {
52 if (udid == NULL || udid->data == NULL || udid->len < UDID_LEN) {
53 LOG_ERROR("invalid parameter");
54 return false;
55 }
56 if (!IsLocalUdidExit()) {
57 return false;
58 }
59 if (memcpy_s(udid->data, udid->len, g_localUdidBuffer, sizeof(g_localUdidBuffer)) != EOK) {
60 LOG_ERROR("memcpy_s failed");
61 return false;
62 }
63 udid->len = UDID_LEN;
64 return true;
65 }
66
IsLocalUdid(Uint8Array udid)67 bool IsLocalUdid(Uint8Array udid)
68 {
69 IF_TRUE_LOGE_AND_RETURN_VAL(IS_ARRAY_NULL(udid), false);
70
71 if (udid.len != UDID_LEN) {
72 return false;
73 }
74
75 if (memcmp(udid.data, g_localUdidBuffer, UDID_LEN) == 0) {
76 return true;
77 }
78
79 return false;
80 }