1 /*
2  * Copyright (C) 2012 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef _NETD_CONSTANTS_H
18 #define _NETD_CONSTANTS_H
19 
20 #include <string>
21 #include <list>
22 #include <stdarg.h>
23 
24 const int PROTECT_MARK = 0x1;
25 
26 extern const char * const IPTABLES_PATH;
27 extern const char * const IP6TABLES_PATH;
28 extern const char * const IP_PATH;
29 extern const char * const TC_PATH;
30 extern const char * const OEM_SCRIPT_PATH;
31 extern const char * const ADD;
32 extern const char * const DEL;
33 
34 enum IptablesTarget { V4, V6, V4V6 };
35 
36 int execIptables(IptablesTarget target, ...);
37 int execIptablesSilently(IptablesTarget target, ...);
38 bool isIfaceName(const char *name);
39 int parsePrefix(const char *prefix, uint8_t *family, void *address, int size, uint8_t *prefixlen);
40 
41 #define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
42 
43 #define __INT_STRLEN(i) sizeof(#i)
44 #define _INT_STRLEN(i) __INT_STRLEN(i)
45 #define UINT32_STRLEN _INT_STRLEN(UINT32_MAX)
46 #define UINT32_HEX_STRLEN sizeof("0x12345678")
47 
48 #define WARN_UNUSED_RESULT __attribute__((__warn_unused_result__))
49 
50 const uid_t INVALID_UID = static_cast<uid_t>(-1);
51 
52 #endif
53