1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <set>
#include <string>
#include <vector>
#include <netdutils/InternetAddresses.h>
#include <netinet/in.h>
#include <params.h>
#include "PrivateDnsCommon.h"
namespace android {
namespace net {
// DnsTlsServer represents a recursive resolver that supports, or may support, a
// secure protocol.
struct DnsTlsServer {
// Default constructor.
DnsTlsServer() {}
explicit DnsTlsServer(const netdutils::IPAddress& ip)
: DnsTlsServer(netdutils::IPSockAddr(ip, kDotPort)) {}
explicit DnsTlsServer(const netdutils::IPSockAddr& addr) : ss(addr) {}
// The server location, including IP and port.
// TODO: make it const.
sockaddr_storage ss = {};
// The server's hostname. If this string is nonempty, the server must present a
// certificate that indicates this name and has a valid chain to a trusted root CA.
// TODO: make it const.
std::string name;
// The certificate of the CA that signed the server's certificate.
// It is used to store temporary test CA certificate for internal tests.
// TODO: make it const.
std::string certificate;
// Placeholder. More protocols might be defined in the future.
// TODO: make it const.
int protocol = IPPROTO_TCP;
// Exact comparison of DnsTlsServer objects
bool operator<(const DnsTlsServer& other) const;
bool operator==(const DnsTlsServer& other) const;
bool wasExplicitlyConfigured() const;
std::string toIpString() const;
std::string provider() const { return name; }
netdutils::IPSockAddr addr() const { return netdutils::IPSockAddr::toIPSockAddr(ss); }
uint32_t validationMark() const { return mark; }
Validation validationState() const { return mValidation; }
void setValidationState(Validation val) { mValidation = val; }
// The socket mark used for validation.
// Note that the mark of a connection to which the DnsResolver sends app's DNS requests can
// be different.
// TODO: make it const.
uint32_t mark = 0;
// Return whether or not the server can be used for a network. It depends on
// the resolver configuration.
bool active() const { return mActive; }
void setActive(bool val) { mActive = val; }
private:
// State, unrelated to the comparison of DnsTlsServer objects.
Validation mValidation = Validation::unknown_server;
bool mActive = false;
};
// This comparison only checks the IP address. It ignores ports, names, and fingerprints.
struct AddressComparator {
bool operator()(const DnsTlsServer& x, const DnsTlsServer& y) const;
};
} // namespace net
} // namespace android
|
