1 /*
2 * Copyright (c) 2023 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 #include "udid.h"
16
17 #ifdef OHOS_LITE
18 #include "hal_sys_param.h"
19 #endif
20 #include "init_param.h"
21 #include "param_comm.h"
22 #include "securec.h"
23 #include "sysparam_errno.h"
24 #include <stdatomic.h>
25 #include <limits.h>
26
GetSerial_(void)27 INIT_LOCAL_API const char *GetSerial_(void)
28 {
29 #ifdef OHOS_LITE
30 return HalGetSerial();
31 #else
32 static _Atomic (char *)ohosSerial = NULL;
33 if (ohosSerial != NULL) {
34 return ohosSerial;
35 }
36
37 char *value;
38 BEGET_CHECK((value = (char *)calloc(1, PARAM_VALUE_LEN_MAX)) != NULL, return NULL);
39 uint32_t len = PARAM_VALUE_LEN_MAX;
40 int ret = SystemGetParameter("ohos.boot.sn", value, &len);
41 BEGET_CHECK(ret == 0, free(value);
42 return NULL);
43 if (ohosSerial != NULL) {
44 free(value);
45 return ohosSerial;
46 }
47 atomic_store_explicit(&ohosSerial, value, memory_order_release);
48 return ohosSerial;
49 #endif
50 }
51
GetUdidFromParam(char * udid,uint32_t size)52 INIT_LOCAL_API int GetUdidFromParam(char *udid, uint32_t size)
53 {
54 uint32_t len = size;
55 int ret = SystemGetParameter("const.product.udid", udid, &len);
56 BEGET_CHECK(ret != 0, return ret);
57
58 len = size;
59 ret = SystemGetParameter("const.product.devUdid", udid, &len);
60 BEGET_CHECK(ret != 0, return ret);
61 return ret;
62 }
63
GetDevUdid_(char * udid,int size)64 INIT_LOCAL_API int GetDevUdid_(char *udid, int size)
65 {
66 if (size < UDID_LEN || udid == NULL) {
67 return EC_FAILURE;
68 }
69
70 int ret = GetUdidFromParam(udid, (uint32_t)size);
71 BEGET_CHECK(ret != 0, return ret);
72
73 #ifdef OHOS_LITE
74 ret = CalcDevUdid(udid, size);
75 #endif
76 return ret;
77 }
78
GetDiskSN_(char * diskSN,int size)79 INIT_LOCAL_API int GetDiskSN_(char *diskSN, int size)
80 {
81 if (size < DISK_SN_LEN || diskSN == NULL) {
82 return EC_FAILURE;
83 }
84 char diskSNPath[DISK_SN_PATH_LEN] = {0};
85 uint32_t diskSNPathLen = DISK_SN_PATH_LEN;
86 if (SystemGetParameter("const.disk.sn.filepath", diskSNPath, &diskSNPathLen) != 0) {
87 BEGET_LOGE("const.disk.sn.filepath read failed");
88 return EC_FAILURE;
89 }
90 char realDiskSNPath[PATH_MAX] = {0};
91 if (realpath(diskSNPath, realDiskSNPath) == NULL) {
92 BEGET_LOGE("GetDiskSN_ path file failed");
93 return EC_FAILURE;
94 }
95 FILE *file = fopen(realDiskSNPath, "r");
96 if (file == NULL) {
97 BEGET_LOGE("GetDiskSN_ open file failed");
98 return EC_FAILURE;
99 }
100 if (fscanf_s(file, "%s", diskSN, size) <= 0) {
101 BEGET_LOGE("GetDiskSN_ read file failed");
102 if (fclose(file) != 0) {
103 BEGET_LOGE("GetDiskSN_ close file failed");
104 }
105 return EC_FAILURE;
106 }
107 if (fclose(file) != 0) {
108 BEGET_LOGE("GetDiskSN_ close file failed");
109 }
110 return 0;
111 }