2 * Copyright (C) 2012 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef _NETD_CONSTANTS_H
18 #define _NETD_CONSTANTS_H
24 const int PROTECT_MARK = 0x1;
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;
34 enum IptablesTarget { V4, V6, V4V6 };
36 int execIptables(IptablesTarget target, ...);
37 int execIptablesSilently(IptablesTarget target, ...);
38 int writeFile(const char *path, const char *value, int size);
39 int readFile(const char *path, char *buf, int *sizep);
40 bool isIfaceName(const char *name);
41 int parsePrefix(const char *prefix, uint8_t *family, void *address, int size, uint8_t *prefixlen);
43 #define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
45 #define __INT_STRLEN(i) sizeof(#i)
46 #define _INT_STRLEN(i) __INT_STRLEN(i)
47 #define UINT32_STRLEN _INT_STRLEN(UINT32_MAX)
48 #define UINT32_HEX_STRLEN sizeof("0x12345678")
50 #define WARN_UNUSED_RESULT __attribute__((__warn_unused_result__))
52 const uid_t INVALID_UID = static_cast<uid_t>(-1);