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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/**************************************************************************/
/* ip_unix.cpp */
/**************************************************************************/
/* This file is part of: */
/* REDOT ENGINE */
/* https://redotengine.org */
/**************************************************************************/
/* Copyright (c) 2024-present Redot Engine contributors */
/* (see REDOT_AUTHORS.md) */
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#if defined(UNIX_ENABLED)
#include "ip_unix.h"
#include <netdb.h>
#ifdef ANDROID_ENABLED
// We could drop this file once we up our API level to 24,
// where the NDK's ifaddrs.h supports to needed getifaddrs.
#include "thirdparty/misc/ifaddrs-android.h"
#else
#ifdef __FreeBSD__
#include <sys/types.h>
#endif
#include <ifaddrs.h>
#endif
#include <arpa/inet.h>
#include <sys/socket.h>
#ifdef __FreeBSD__
#include <netinet/in.h>
#endif
#include <net/if.h> // Order is important on OpenBSD, leave as last.
#include <string.h>
static IPAddress _sockaddr2ip(struct sockaddr *p_addr) {
IPAddress ip;
if (p_addr->sa_family == AF_INET) {
struct sockaddr_in *addr = (struct sockaddr_in *)p_addr;
ip.set_ipv4((uint8_t *)&(addr->sin_addr));
} else if (p_addr->sa_family == AF_INET6) {
struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)p_addr;
ip.set_ipv6(addr6->sin6_addr.s6_addr);
}
return ip;
}
void IPUnix::_resolve_hostname(List<IPAddress> &r_addresses, const String &p_hostname, Type p_type) const {
struct addrinfo hints;
struct addrinfo *result = nullptr;
memset(&hints, 0, sizeof(struct addrinfo));
if (p_type == TYPE_IPV4) {
hints.ai_family = AF_INET;
} else if (p_type == TYPE_IPV6) {
hints.ai_family = AF_INET6;
hints.ai_flags = 0;
} else {
hints.ai_family = AF_UNSPEC;
hints.ai_flags = AI_ADDRCONFIG;
}
hints.ai_flags &= ~AI_NUMERICHOST;
int s = getaddrinfo(p_hostname.utf8().get_data(), nullptr, &hints, &result);
if (s != 0) {
print_verbose("getaddrinfo failed! Cannot resolve hostname.");
return;
}
if (result == nullptr || result->ai_addr == nullptr) {
print_verbose("Invalid response from getaddrinfo.");
if (result) {
freeaddrinfo(result);
}
return;
}
struct addrinfo *next = result;
do {
if (next->ai_addr == nullptr) {
next = next->ai_next;
continue;
}
IPAddress ip = _sockaddr2ip(next->ai_addr);
if (ip.is_valid() && !r_addresses.find(ip)) {
r_addresses.push_back(ip);
}
next = next->ai_next;
} while (next);
freeaddrinfo(result);
}
void IPUnix::get_local_interfaces(HashMap<String, Interface_Info> *r_interfaces) const {
struct ifaddrs *ifAddrStruct = nullptr;
struct ifaddrs *ifa = nullptr;
int family;
getifaddrs(&ifAddrStruct);
for (ifa = ifAddrStruct; ifa != nullptr; ifa = ifa->ifa_next) {
if (!ifa->ifa_addr) {
continue;
}
family = ifa->ifa_addr->sa_family;
if (family != AF_INET && family != AF_INET6) {
continue;
}
HashMap<String, Interface_Info>::Iterator E = r_interfaces->find(ifa->ifa_name);
if (!E) {
Interface_Info info;
info.name = ifa->ifa_name;
info.name_friendly = ifa->ifa_name;
info.index = String::num_uint64(if_nametoindex(ifa->ifa_name));
E = r_interfaces->insert(ifa->ifa_name, info);
ERR_CONTINUE(!E);
}
Interface_Info &info = E->value;
info.ip_addresses.push_front(_sockaddr2ip(ifa->ifa_addr));
}
if (ifAddrStruct != nullptr) {
freeifaddrs(ifAddrStruct);
}
}
void IPUnix::make_default() {
_create = _create_unix;
}
IP *IPUnix::_create_unix() {
return memnew(IPUnix);
}
IPUnix::IPUnix() {
}
#endif // UNIX_ENABLED
|
