1 /*
2  * Copyright (C) 2014 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_INCLUDE_NETD_CLIENT_H
18 #define NETD_INCLUDE_NETD_CLIENT_H
19 
20 #include <stdbool.h>
21 #include <sys/cdefs.h>
22 #include <sys/types.h>
23 
24 __BEGIN_DECLS
25 
26 // All functions below that return an int return 0 on success or a negative errno value on failure.
27 
28 int getNetworkForSocket(unsigned* netId, int socketFd);
29 int setNetworkForSocket(unsigned netId, int socketFd);
30 
31 unsigned getNetworkForProcess(void);
32 
33 int setNetworkForProcess(unsigned netId);
34 
35 int setNetworkForResolv(unsigned netId);
36 
37 int protectFromVpn(int socketFd);
38 
39 int setNetworkForUser(uid_t uid, int socketFd);
40 
41 int queryUserAccess(uid_t uid, unsigned netId);
42 
43 void setAllowNetworkingForProcess(bool allowNetworking);
44 
45 int tagSocket(int socketFd, uint32_t tag, uid_t uid);
46 
47 int untagSocket(int socketFd);
48 
49 int setCounterSet(uint32_t counterSet, uid_t uid);
50 
51 int deleteTagData(uint32_t tag, uid_t uid);
52 
53 int resNetworkQuery(unsigned netId, const char* dname, int ns_class, int ns_type, uint32_t flags);
54 
55 int resNetworkResult(int query_fd, int* rcode, uint8_t* answer, size_t anslen);
56 
57 int resNetworkSend(unsigned netId, const uint8_t* msg, size_t msglen, uint32_t flags);
58 
59 void resNetworkCancel(int nsend_fd);
60 
61 int getNetworkForDns(unsigned* dnsNetId);
62 __END_DECLS
63 
64 #endif  // NETD_INCLUDE_NETD_CLIENT_H
65