1 /*
2 * Copyright (c) 2021 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 <stdbool.h>
17 #include <stdio.h>
18 #include <string.h>
19 #include <errno.h>
20
21 #include "init_param.h"
22 #include "beget_ext.h"
23 #include "securec.h"
24 #include "systemcapability.h"
25
26 #define SYSCAP_MAX_SIZE 100
27 #define SYSCAP_PREFIX_NAME "SystemCapability"
28 #define CONST_SYSCAP_PREFIX_NAME "const.SystemCapability"
29
HasSystemCapability(const char * cap)30 bool HasSystemCapability(const char *cap)
31 {
32 char capName[SYSCAP_MAX_SIZE] = { 0 };
33 char paramValue[PARAM_VALUE_LEN_MAX] = { 0 };
34 unsigned int valueLen = PARAM_VALUE_LEN_MAX;
35
36 if (cap == NULL) {
37 BEGET_LOGE("cap input is null.");
38 return false;
39 }
40
41 if (strncmp(SYSCAP_PREFIX_NAME, cap, sizeof(SYSCAP_PREFIX_NAME) - 1) == 0) {
42 if (snprintf_s(capName, SYSCAP_MAX_SIZE, SYSCAP_MAX_SIZE - 1, "const.%s", cap) == -1) {
43 BEGET_LOGE("Failed snprintf_s err=%d", errno);
44 return false;
45 }
46 } else if (snprintf_s(capName, SYSCAP_MAX_SIZE, SYSCAP_MAX_SIZE - 1, CONST_SYSCAP_PREFIX_NAME".%s", cap) == -1) {
47 BEGET_LOGE("Failed snprintf_s err=%d", errno);
48 return false;
49 }
50
51 if (SystemGetParameter(capName, paramValue, &valueLen) != 0) {
52 BEGET_LOGE("Failed get paramName.");
53 return false;
54 }
55
56 return true;
57 }