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pandemonium_engine/modules/upnp/upnp.cpp

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/*************************************************************************/
/* upnp.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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 "upnp.h"
#include <miniupnpc/miniwget.h>
#include <miniupnpc/upnpcommands.h>
#include <stdlib.h>
bool UPNP::is_common_device(const String &dev) const {
return dev.empty() ||
dev.find("InternetGatewayDevice") >= 0 ||
dev.find("WANIPConnection") >= 0 ||
dev.find("WANPPPConnection") >= 0 ||
dev.find("rootdevice") >= 0;
}
int UPNP::discover(int timeout, int ttl, const String &device_filter) {
ERR_FAIL_COND_V(timeout < 0, UPNP_RESULT_INVALID_PARAM);
ERR_FAIL_COND_V(ttl < 0, UPNP_RESULT_INVALID_PARAM);
ERR_FAIL_COND_V(ttl > 255, UPNP_RESULT_INVALID_PARAM);
devices.clear();
int error = 0;
struct UPNPDev *devlist;
CharString cs = discover_multicast_if.utf8();
const char *m_if = cs.length() ? cs.get_data() : nullptr;
if (is_common_device(device_filter)) {
devlist = upnpDiscover(timeout, m_if, nullptr, discover_local_port, discover_ipv6, ttl, &error);
} else {
devlist = upnpDiscoverAll(timeout, m_if, nullptr, discover_local_port, discover_ipv6, ttl, &error);
}
if (error != UPNPDISCOVER_SUCCESS) {
switch (error) {
case UPNPDISCOVER_SOCKET_ERROR:
return UPNP_RESULT_SOCKET_ERROR;
case UPNPDISCOVER_MEMORY_ERROR:
return UPNP_RESULT_MEM_ALLOC_ERROR;
default:
return UPNP_RESULT_UNKNOWN_ERROR;
}
}
if (!devlist) {
return UPNP_RESULT_NO_DEVICES;
}
struct UPNPDev *dev = devlist;
while (dev) {
if (device_filter.empty() || strstr(dev->st, device_filter.utf8().get_data())) {
add_device_to_list(dev, devlist);
}
dev = dev->pNext;
}
freeUPNPDevlist(devlist);
return UPNP_RESULT_SUCCESS;
}
void UPNP::add_device_to_list(UPNPDev *dev, UPNPDev *devlist) {
Ref<UPNPDevice> new_device;
new_device.instance();
new_device->set_description_url(dev->descURL);
new_device->set_service_type(dev->st);
parse_igd(new_device, devlist);
devices.push_back(new_device);
}
char *UPNP::load_description(const String &url, int *size, int *status_code) const {
return (char *)miniwget(url.utf8().get_data(), size, 0, status_code);
}
void UPNP::parse_igd(Ref<UPNPDevice> dev, UPNPDev *devlist) {
int size = 0;
int status_code = -1;
char *xml = load_description(dev->get_description_url(), &size, &status_code);
if (status_code != 200) {
dev->set_igd_status(UPNPDevice::IGD_STATUS_HTTP_ERROR);
return;
}
if (!xml || size < 1) {
dev->set_igd_status(UPNPDevice::IGD_STATUS_HTTP_EMPTY);
return;
}
struct UPNPUrls *urls = (UPNPUrls *)malloc(sizeof(struct UPNPUrls));
if (!urls) {
dev->set_igd_status(UPNPDevice::IGD_STATUS_MALLOC_ERROR);
return;
}
struct IGDdatas data;
memset(urls, 0, sizeof(struct UPNPUrls));
parserootdesc(xml, size, &data);
free(xml);
xml = nullptr;
GetUPNPUrls(urls, &data, dev->get_description_url().utf8().get_data(), 0);
if (!urls) {
dev->set_igd_status(UPNPDevice::IGD_STATUS_NO_URLS);
return;
}
char addr[16];
int i = UPNP_GetValidIGD(devlist, urls, &data, (char *)&addr, 16);
if (i != 1) {
FreeUPNPUrls(urls);
switch (i) {
case 0:
dev->set_igd_status(UPNPDevice::IGD_STATUS_NO_IGD);
return;
case 2:
dev->set_igd_status(UPNPDevice::IGD_STATUS_DISCONNECTED);
return;
case 3:
dev->set_igd_status(UPNPDevice::IGD_STATUS_UNKNOWN_DEVICE);
return;
default:
dev->set_igd_status(UPNPDevice::IGD_STATUS_UNKNOWN_ERROR);
return;
}
}
if (urls->controlURL[0] == '\0') {
FreeUPNPUrls(urls);
dev->set_igd_status(UPNPDevice::IGD_STATUS_INVALID_CONTROL);
return;
}
dev->set_igd_control_url(urls->controlURL);
dev->set_igd_service_type(data.first.servicetype);
dev->set_igd_our_addr(addr);
dev->set_igd_status(UPNPDevice::IGD_STATUS_OK);
FreeUPNPUrls(urls);
}
int UPNP::upnp_result(int in) {
switch (in) {
case UPNPCOMMAND_SUCCESS:
return UPNP_RESULT_SUCCESS;
case UPNPCOMMAND_UNKNOWN_ERROR:
return UPNP_RESULT_UNKNOWN_ERROR;
case UPNPCOMMAND_INVALID_ARGS:
return UPNP_RESULT_INVALID_ARGS;
case UPNPCOMMAND_HTTP_ERROR:
return UPNP_RESULT_HTTP_ERROR;
case UPNPCOMMAND_INVALID_RESPONSE:
return UPNP_RESULT_INVALID_RESPONSE;
case UPNPCOMMAND_MEM_ALLOC_ERROR:
return UPNP_RESULT_MEM_ALLOC_ERROR;
case 402:
return UPNP_RESULT_INVALID_ARGS;
case 403:
return UPNP_RESULT_NOT_AUTHORIZED;
case 501:
return UPNP_RESULT_ACTION_FAILED;
case 606:
return UPNP_RESULT_NOT_AUTHORIZED;
case 714:
return UPNP_RESULT_NO_SUCH_ENTRY_IN_ARRAY;
case 715:
return UPNP_RESULT_SRC_IP_WILDCARD_NOT_PERMITTED;
case 716:
return UPNP_RESULT_EXT_PORT_WILDCARD_NOT_PERMITTED;
case 718:
return UPNP_RESULT_CONFLICT_WITH_OTHER_MAPPING;
case 724:
return UPNP_RESULT_SAME_PORT_VALUES_REQUIRED;
case 725:
return UPNP_RESULT_ONLY_PERMANENT_LEASE_SUPPORTED;
case 726:
return UPNP_RESULT_REMOTE_HOST_MUST_BE_WILDCARD;
case 727:
return UPNP_RESULT_EXT_PORT_MUST_BE_WILDCARD;
case 728:
return UPNP_RESULT_NO_PORT_MAPS_AVAILABLE;
case 729:
return UPNP_RESULT_CONFLICT_WITH_OTHER_MECHANISM;
case 732:
return UPNP_RESULT_INT_PORT_WILDCARD_NOT_PERMITTED;
case 733:
return UPNP_RESULT_INCONSISTENT_PARAMETERS;
}
return UPNP_RESULT_UNKNOWN_ERROR;
}
int UPNP::get_device_count() const {
return devices.size();
}
Ref<UPNPDevice> UPNP::get_device(int index) const {
ERR_FAIL_INDEX_V(index, devices.size(), nullptr);
return devices.get(index);
}
void UPNP::add_device(Ref<UPNPDevice> device) {
ERR_FAIL_COND(device == nullptr);
devices.push_back(device);
}
void UPNP::set_device(int index, Ref<UPNPDevice> device) {
ERR_FAIL_INDEX(index, devices.size());
ERR_FAIL_COND(device == nullptr);
devices.set(index, device);
}
void UPNP::remove_device(int index) {
ERR_FAIL_INDEX(index, devices.size());
devices.remove(index);
}
void UPNP::clear_devices() {
devices.clear();
}
Ref<UPNPDevice> UPNP::get_gateway() const {
ERR_FAIL_COND_V(devices.size() < 1, nullptr);
for (int i = 0; i < devices.size(); i++) {
Ref<UPNPDevice> dev = get_device(i);
if (dev != nullptr && dev->is_valid_gateway()) {
return dev;
}
}
return nullptr;
}
void UPNP::set_discover_multicast_if(const String &m_if) {
discover_multicast_if = m_if;
}
String UPNP::get_discover_multicast_if() const {
return discover_multicast_if;
}
void UPNP::set_discover_local_port(int port) {
discover_local_port = port;
}
int UPNP::get_discover_local_port() const {
return discover_local_port;
}
void UPNP::set_discover_ipv6(bool ipv6) {
discover_ipv6 = ipv6;
}
bool UPNP::is_discover_ipv6() const {
return discover_ipv6;
}
String UPNP::query_external_address() const {
Ref<UPNPDevice> dev = get_gateway();
if (dev == nullptr) {
return "";
}
return dev->query_external_address();
}
int UPNP::add_port_mapping(int port, int port_internal, String desc, String proto, int duration) const {
Ref<UPNPDevice> dev = get_gateway();
if (dev == nullptr) {
return UPNP_RESULT_NO_GATEWAY;
}
dev->delete_port_mapping(port, proto);
return dev->add_port_mapping(port, port_internal, desc, proto, duration);
}
int UPNP::delete_port_mapping(int port, String proto) const {
Ref<UPNPDevice> dev = get_gateway();
if (dev == nullptr) {
return UPNP_RESULT_NO_GATEWAY;
}
return dev->delete_port_mapping(port, proto);
}
void UPNP::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_device_count"), &UPNP::get_device_count);
ClassDB::bind_method(D_METHOD("get_device", "index"), &UPNP::get_device);
ClassDB::bind_method(D_METHOD("add_device", "device"), &UPNP::add_device);
ClassDB::bind_method(D_METHOD("set_device", "index", "device"), &UPNP::set_device);
ClassDB::bind_method(D_METHOD("remove_device", "index"), &UPNP::remove_device);
ClassDB::bind_method(D_METHOD("clear_devices"), &UPNP::clear_devices);
ClassDB::bind_method(D_METHOD("get_gateway"), &UPNP::get_gateway);
ClassDB::bind_method(D_METHOD("discover", "timeout", "ttl", "device_filter"), &UPNP::discover, DEFVAL(2000), DEFVAL(2), DEFVAL("InternetGatewayDevice"));
ClassDB::bind_method(D_METHOD("query_external_address"), &UPNP::query_external_address);
ClassDB::bind_method(D_METHOD("add_port_mapping", "port", "port_internal", "desc", "proto", "duration"), &UPNP::add_port_mapping, DEFVAL(0), DEFVAL(""), DEFVAL("UDP"), DEFVAL(0));
ClassDB::bind_method(D_METHOD("delete_port_mapping", "port", "proto"), &UPNP::delete_port_mapping, DEFVAL("UDP"));
ClassDB::bind_method(D_METHOD("set_discover_multicast_if", "m_if"), &UPNP::set_discover_multicast_if);
ClassDB::bind_method(D_METHOD("get_discover_multicast_if"), &UPNP::get_discover_multicast_if);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "discover_multicast_if"), "set_discover_multicast_if", "get_discover_multicast_if");
ClassDB::bind_method(D_METHOD("set_discover_local_port", "port"), &UPNP::set_discover_local_port);
ClassDB::bind_method(D_METHOD("get_discover_local_port"), &UPNP::get_discover_local_port);
ADD_PROPERTY(PropertyInfo(Variant::INT, "discover_local_port", PROPERTY_HINT_RANGE, "0,65535"), "set_discover_local_port", "get_discover_local_port");
ClassDB::bind_method(D_METHOD("set_discover_ipv6", "ipv6"), &UPNP::set_discover_ipv6);
ClassDB::bind_method(D_METHOD("is_discover_ipv6"), &UPNP::is_discover_ipv6);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "discover_ipv6"), "set_discover_ipv6", "is_discover_ipv6");
BIND_ENUM_CONSTANT(UPNP_RESULT_SUCCESS);
BIND_ENUM_CONSTANT(UPNP_RESULT_NOT_AUTHORIZED);
BIND_ENUM_CONSTANT(UPNP_RESULT_PORT_MAPPING_NOT_FOUND);
BIND_ENUM_CONSTANT(UPNP_RESULT_INCONSISTENT_PARAMETERS);
BIND_ENUM_CONSTANT(UPNP_RESULT_NO_SUCH_ENTRY_IN_ARRAY);
BIND_ENUM_CONSTANT(UPNP_RESULT_ACTION_FAILED);
BIND_ENUM_CONSTANT(UPNP_RESULT_SRC_IP_WILDCARD_NOT_PERMITTED);
BIND_ENUM_CONSTANT(UPNP_RESULT_EXT_PORT_WILDCARD_NOT_PERMITTED);
BIND_ENUM_CONSTANT(UPNP_RESULT_INT_PORT_WILDCARD_NOT_PERMITTED);
BIND_ENUM_CONSTANT(UPNP_RESULT_REMOTE_HOST_MUST_BE_WILDCARD);
BIND_ENUM_CONSTANT(UPNP_RESULT_EXT_PORT_MUST_BE_WILDCARD);
BIND_ENUM_CONSTANT(UPNP_RESULT_NO_PORT_MAPS_AVAILABLE);
BIND_ENUM_CONSTANT(UPNP_RESULT_CONFLICT_WITH_OTHER_MECHANISM);
BIND_ENUM_CONSTANT(UPNP_RESULT_CONFLICT_WITH_OTHER_MAPPING);
BIND_ENUM_CONSTANT(UPNP_RESULT_SAME_PORT_VALUES_REQUIRED);
BIND_ENUM_CONSTANT(UPNP_RESULT_ONLY_PERMANENT_LEASE_SUPPORTED);
BIND_ENUM_CONSTANT(UPNP_RESULT_INVALID_GATEWAY);
BIND_ENUM_CONSTANT(UPNP_RESULT_INVALID_PORT);
BIND_ENUM_CONSTANT(UPNP_RESULT_INVALID_PROTOCOL);
BIND_ENUM_CONSTANT(UPNP_RESULT_INVALID_DURATION);
BIND_ENUM_CONSTANT(UPNP_RESULT_INVALID_ARGS);
BIND_ENUM_CONSTANT(UPNP_RESULT_INVALID_RESPONSE);
BIND_ENUM_CONSTANT(UPNP_RESULT_INVALID_PARAM);
BIND_ENUM_CONSTANT(UPNP_RESULT_HTTP_ERROR);
BIND_ENUM_CONSTANT(UPNP_RESULT_SOCKET_ERROR);
BIND_ENUM_CONSTANT(UPNP_RESULT_MEM_ALLOC_ERROR);
BIND_ENUM_CONSTANT(UPNP_RESULT_NO_GATEWAY);
BIND_ENUM_CONSTANT(UPNP_RESULT_NO_DEVICES);
BIND_ENUM_CONSTANT(UPNP_RESULT_UNKNOWN_ERROR);
}
UPNP::UPNP() {
discover_multicast_if = "";
discover_local_port = 0;
discover_ipv6 = false;
}
UPNP::~UPNP() {
}
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