243 lines
7.1 KiB
C++
243 lines
7.1 KiB
C++
/*************************************************************************/
|
|
/* ip_unix.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
|
|
/* */
|
|
/* 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. */
|
|
/*************************************************************************/
|
|
#include "ip_unix.h"
|
|
|
|
#if defined(UNIX_ENABLED) || defined(WINDOWS_ENABLED)
|
|
|
|
#include <string.h>
|
|
|
|
#ifdef WINDOWS_ENABLED
|
|
#include <stdio.h>
|
|
#include <winsock2.h>
|
|
// Needs to be included after winsock2.h
|
|
#include <windows.h>
|
|
#include <ws2tcpip.h>
|
|
#ifndef WINRT_ENABLED
|
|
#if defined(__MINGW32__) && (!defined(__MINGW64_VERSION_MAJOR) || __MINGW64_VERSION_MAJOR < 4)
|
|
// MinGW-w64 on Ubuntu 12.04 (our Travis build env) has bugs in this code where
|
|
// some includes are missing in dependencies of iphlpapi.h for WINVER >= 0x0600 (Vista).
|
|
// We don't use this Vista code for now, so working it around by disabling it.
|
|
// MinGW-w64 >= 4.0 seems to be better judging by its headers.
|
|
#undef _WIN32_WINNT
|
|
#define _WIN32_WINNT 0x0501 // Windows XP, disable Vista API
|
|
#include <iphlpapi.h>
|
|
#undef _WIN32_WINNT
|
|
#define _WIN32_WINNT 0x0600 // Reenable Vista API
|
|
#else
|
|
#include <iphlpapi.h>
|
|
#endif // MINGW hack
|
|
#endif
|
|
#else
|
|
#include <netdb.h>
|
|
#ifdef ANDROID_ENABLED
|
|
#include "platform/android/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
|
|
#endif
|
|
|
|
static IP_Address _sockaddr2ip(struct sockaddr *p_addr) {
|
|
|
|
IP_Address 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;
|
|
};
|
|
|
|
IP_Address IP_Unix::_resolve_hostname(const String &p_hostname, Type p_type) {
|
|
|
|
struct addrinfo hints;
|
|
struct addrinfo *result;
|
|
|
|
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;
|
|
};
|
|
|
|
int s = getaddrinfo(p_hostname.utf8().get_data(), NULL, &hints, &result);
|
|
if (s != 0) {
|
|
ERR_PRINT("getaddrinfo failed!");
|
|
return IP_Address();
|
|
};
|
|
|
|
if (result == NULL || result->ai_addr == NULL) {
|
|
ERR_PRINT("Invalid response from getaddrinfo");
|
|
return IP_Address();
|
|
};
|
|
|
|
IP_Address ip = _sockaddr2ip(result->ai_addr);
|
|
|
|
freeaddrinfo(result);
|
|
|
|
return ip;
|
|
}
|
|
|
|
#if defined(WINDOWS_ENABLED)
|
|
|
|
#if defined(WINRT_ENABLED)
|
|
|
|
void IP_Unix::get_local_addresses(List<IP_Address> *r_addresses) const {
|
|
|
|
using namespace Windows::Networking;
|
|
using namespace Windows::Networking::Connectivity;
|
|
|
|
auto hostnames = NetworkInformation::GetHostNames();
|
|
|
|
for (int i = 0; i < hostnames->Size; i++) {
|
|
|
|
if (hostnames->GetAt(i)->Type == HostNameType::Ipv4 || hostnames->GetAt(i)->Type == HostNameType::Ipv6 && hostnames->GetAt(i)->IPInformation != nullptr) {
|
|
|
|
r_addresses->push_back(IP_Address(String(hostnames->GetAt(i)->CanonicalName->Data())));
|
|
}
|
|
}
|
|
};
|
|
#else
|
|
|
|
void IP_Unix::get_local_addresses(List<IP_Address> *r_addresses) const {
|
|
|
|
ULONG buf_size = 1024;
|
|
IP_ADAPTER_ADDRESSES *addrs;
|
|
|
|
while (true) {
|
|
|
|
addrs = (IP_ADAPTER_ADDRESSES *)memalloc(buf_size);
|
|
int err = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_SKIP_ANYCAST |
|
|
GAA_FLAG_SKIP_MULTICAST |
|
|
GAA_FLAG_SKIP_DNS_SERVER |
|
|
GAA_FLAG_SKIP_FRIENDLY_NAME,
|
|
NULL, addrs, &buf_size);
|
|
if (err == NO_ERROR) {
|
|
break;
|
|
};
|
|
memfree(addrs);
|
|
if (err == ERROR_BUFFER_OVERFLOW) {
|
|
continue; // will go back and alloc the right size
|
|
};
|
|
|
|
ERR_EXPLAIN("Call to GetAdaptersAddresses failed with error " + itos(err));
|
|
ERR_FAIL();
|
|
return;
|
|
};
|
|
|
|
IP_ADAPTER_ADDRESSES *adapter = addrs;
|
|
|
|
while (adapter != NULL) {
|
|
|
|
IP_ADAPTER_UNICAST_ADDRESS *address = adapter->FirstUnicastAddress;
|
|
while (address != NULL) {
|
|
|
|
IP_Address ip;
|
|
|
|
if (address->Address.lpSockaddr->sa_family == AF_INET) {
|
|
|
|
SOCKADDR_IN *ipv4 = reinterpret_cast<SOCKADDR_IN *>(address->Address.lpSockaddr);
|
|
|
|
ip.set_ipv4((uint8_t *)&(ipv4->sin_addr));
|
|
r_addresses->push_back(ip);
|
|
|
|
} else if (address->Address.lpSockaddr->sa_family == AF_INET6) { // ipv6
|
|
|
|
SOCKADDR_IN6 *ipv6 = reinterpret_cast<SOCKADDR_IN6 *>(address->Address.lpSockaddr);
|
|
|
|
ip.set_ipv6(ipv6->sin6_addr.s6_addr);
|
|
r_addresses->push_back(ip);
|
|
};
|
|
|
|
address = address->Next;
|
|
};
|
|
adapter = adapter->Next;
|
|
};
|
|
|
|
memfree(addrs);
|
|
};
|
|
|
|
#endif
|
|
|
|
#else
|
|
|
|
void IP_Unix::get_local_addresses(List<IP_Address> *r_addresses) const {
|
|
|
|
struct ifaddrs *ifAddrStruct = NULL;
|
|
struct ifaddrs *ifa = NULL;
|
|
int family;
|
|
|
|
getifaddrs(&ifAddrStruct);
|
|
|
|
for (ifa = ifAddrStruct; ifa != NULL; ifa = ifa->ifa_next) {
|
|
if (!ifa->ifa_addr)
|
|
continue;
|
|
|
|
family = ifa->ifa_addr->sa_family;
|
|
|
|
if (family != AF_INET && family != AF_INET6)
|
|
continue;
|
|
|
|
IP_Address ip = _sockaddr2ip(ifa->ifa_addr);
|
|
r_addresses->push_back(ip);
|
|
}
|
|
|
|
if (ifAddrStruct != NULL) freeifaddrs(ifAddrStruct);
|
|
}
|
|
#endif
|
|
|
|
void IP_Unix::make_default() {
|
|
|
|
_create = _create_unix;
|
|
}
|
|
|
|
IP *IP_Unix::_create_unix() {
|
|
|
|
return memnew(IP_Unix);
|
|
}
|
|
|
|
IP_Unix::IP_Unix() {
|
|
}
|
|
|
|
#endif
|