406 lines
13 KiB
C++
406 lines
13 KiB
C++
/*************************************************************************/
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/* upnp.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "upnp.h"
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#include <miniupnpc/miniwget.h>
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#include <miniupnpc/upnpcommands.h>
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#include <stdlib.h>
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bool UPNP::is_common_device(const String &dev) const {
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return dev.empty() ||
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dev.find("InternetGatewayDevice") >= 0 ||
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dev.find("WANIPConnection") >= 0 ||
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dev.find("WANPPPConnection") >= 0 ||
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dev.find("rootdevice") >= 0;
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}
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int UPNP::discover(int timeout, int ttl, const String &device_filter) {
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ERR_FAIL_COND_V(timeout < 0, UPNP_RESULT_INVALID_PARAM);
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ERR_FAIL_COND_V(ttl < 0, UPNP_RESULT_INVALID_PARAM);
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ERR_FAIL_COND_V(ttl > 255, UPNP_RESULT_INVALID_PARAM);
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devices.clear();
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int error = 0;
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struct UPNPDev *devlist;
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CharString cs = discover_multicast_if.utf8();
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const char *m_if = cs.length() ? cs.get_data() : nullptr;
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if (is_common_device(device_filter)) {
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devlist = upnpDiscover(timeout, m_if, nullptr, discover_local_port, discover_ipv6, ttl, &error);
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} else {
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devlist = upnpDiscoverAll(timeout, m_if, nullptr, discover_local_port, discover_ipv6, ttl, &error);
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}
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if (error != UPNPDISCOVER_SUCCESS) {
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switch (error) {
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case UPNPDISCOVER_SOCKET_ERROR:
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return UPNP_RESULT_SOCKET_ERROR;
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case UPNPDISCOVER_MEMORY_ERROR:
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return UPNP_RESULT_MEM_ALLOC_ERROR;
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default:
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return UPNP_RESULT_UNKNOWN_ERROR;
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}
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}
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if (!devlist) {
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return UPNP_RESULT_NO_DEVICES;
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}
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struct UPNPDev *dev = devlist;
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while (dev) {
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if (device_filter.empty() || strstr(dev->st, device_filter.utf8().get_data())) {
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add_device_to_list(dev, devlist);
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}
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dev = dev->pNext;
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}
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freeUPNPDevlist(devlist);
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return UPNP_RESULT_SUCCESS;
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}
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void UPNP::add_device_to_list(UPNPDev *dev, UPNPDev *devlist) {
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Ref<UPNPDevice> new_device;
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new_device.instance();
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new_device->set_description_url(dev->descURL);
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new_device->set_service_type(dev->st);
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parse_igd(new_device, devlist);
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devices.push_back(new_device);
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}
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char *UPNP::load_description(const String &url, int *size, int *status_code) const {
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return (char *)miniwget(url.utf8().get_data(), size, 0, status_code);
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}
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void UPNP::parse_igd(Ref<UPNPDevice> dev, UPNPDev *devlist) {
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int size = 0;
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int status_code = -1;
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char *xml = load_description(dev->get_description_url(), &size, &status_code);
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if (status_code != 200) {
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dev->set_igd_status(UPNPDevice::IGD_STATUS_HTTP_ERROR);
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return;
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}
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if (!xml || size < 1) {
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dev->set_igd_status(UPNPDevice::IGD_STATUS_HTTP_EMPTY);
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return;
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}
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struct UPNPUrls *urls = (UPNPUrls *)malloc(sizeof(struct UPNPUrls));
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if (!urls) {
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dev->set_igd_status(UPNPDevice::IGD_STATUS_MALLOC_ERROR);
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return;
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}
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struct IGDdatas data;
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memset(urls, 0, sizeof(struct UPNPUrls));
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parserootdesc(xml, size, &data);
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free(xml);
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xml = nullptr;
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GetUPNPUrls(urls, &data, dev->get_description_url().utf8().get_data(), 0);
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if (!urls) {
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dev->set_igd_status(UPNPDevice::IGD_STATUS_NO_URLS);
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return;
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}
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char addr[16];
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int i = UPNP_GetValidIGD(devlist, urls, &data, (char *)&addr, 16);
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if (i != 1) {
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FreeUPNPUrls(urls);
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switch (i) {
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case 0:
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dev->set_igd_status(UPNPDevice::IGD_STATUS_NO_IGD);
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return;
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case 2:
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dev->set_igd_status(UPNPDevice::IGD_STATUS_DISCONNECTED);
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return;
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case 3:
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dev->set_igd_status(UPNPDevice::IGD_STATUS_UNKNOWN_DEVICE);
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return;
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default:
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dev->set_igd_status(UPNPDevice::IGD_STATUS_UNKNOWN_ERROR);
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return;
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}
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}
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if (urls->controlURL[0] == '\0') {
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FreeUPNPUrls(urls);
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dev->set_igd_status(UPNPDevice::IGD_STATUS_INVALID_CONTROL);
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return;
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}
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dev->set_igd_control_url(urls->controlURL);
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dev->set_igd_service_type(data.first.servicetype);
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dev->set_igd_our_addr(addr);
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dev->set_igd_status(UPNPDevice::IGD_STATUS_OK);
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FreeUPNPUrls(urls);
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}
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int UPNP::upnp_result(int in) {
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switch (in) {
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case UPNPCOMMAND_SUCCESS:
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return UPNP_RESULT_SUCCESS;
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case UPNPCOMMAND_UNKNOWN_ERROR:
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return UPNP_RESULT_UNKNOWN_ERROR;
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case UPNPCOMMAND_INVALID_ARGS:
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return UPNP_RESULT_INVALID_ARGS;
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case UPNPCOMMAND_HTTP_ERROR:
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return UPNP_RESULT_HTTP_ERROR;
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case UPNPCOMMAND_INVALID_RESPONSE:
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return UPNP_RESULT_INVALID_RESPONSE;
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case UPNPCOMMAND_MEM_ALLOC_ERROR:
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return UPNP_RESULT_MEM_ALLOC_ERROR;
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case 402:
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return UPNP_RESULT_INVALID_ARGS;
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case 403:
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return UPNP_RESULT_NOT_AUTHORIZED;
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case 501:
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return UPNP_RESULT_ACTION_FAILED;
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case 606:
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return UPNP_RESULT_NOT_AUTHORIZED;
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case 714:
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return UPNP_RESULT_NO_SUCH_ENTRY_IN_ARRAY;
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case 715:
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return UPNP_RESULT_SRC_IP_WILDCARD_NOT_PERMITTED;
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case 716:
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return UPNP_RESULT_EXT_PORT_WILDCARD_NOT_PERMITTED;
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case 718:
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return UPNP_RESULT_CONFLICT_WITH_OTHER_MAPPING;
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case 724:
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return UPNP_RESULT_SAME_PORT_VALUES_REQUIRED;
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case 725:
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return UPNP_RESULT_ONLY_PERMANENT_LEASE_SUPPORTED;
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case 726:
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return UPNP_RESULT_REMOTE_HOST_MUST_BE_WILDCARD;
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case 727:
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return UPNP_RESULT_EXT_PORT_MUST_BE_WILDCARD;
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case 728:
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return UPNP_RESULT_NO_PORT_MAPS_AVAILABLE;
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case 729:
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return UPNP_RESULT_CONFLICT_WITH_OTHER_MECHANISM;
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case 732:
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return UPNP_RESULT_INT_PORT_WILDCARD_NOT_PERMITTED;
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case 733:
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return UPNP_RESULT_INCONSISTENT_PARAMETERS;
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}
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return UPNP_RESULT_UNKNOWN_ERROR;
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}
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int UPNP::get_device_count() const {
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return devices.size();
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}
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Ref<UPNPDevice> UPNP::get_device(int index) const {
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ERR_FAIL_INDEX_V(index, devices.size(), nullptr);
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return devices.get(index);
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}
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void UPNP::add_device(Ref<UPNPDevice> device) {
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ERR_FAIL_COND(device == nullptr);
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devices.push_back(device);
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}
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void UPNP::set_device(int index, Ref<UPNPDevice> device) {
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ERR_FAIL_INDEX(index, devices.size());
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ERR_FAIL_COND(device == nullptr);
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devices.set(index, device);
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}
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void UPNP::remove_device(int index) {
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ERR_FAIL_INDEX(index, devices.size());
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devices.remove(index);
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}
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void UPNP::clear_devices() {
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devices.clear();
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}
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Ref<UPNPDevice> UPNP::get_gateway() const {
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ERR_FAIL_COND_V(devices.size() < 1, nullptr);
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for (int i = 0; i < devices.size(); i++) {
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Ref<UPNPDevice> dev = get_device(i);
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if (dev != nullptr && dev->is_valid_gateway()) {
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return dev;
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}
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}
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return nullptr;
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}
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void UPNP::set_discover_multicast_if(const String &m_if) {
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discover_multicast_if = m_if;
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}
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String UPNP::get_discover_multicast_if() const {
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return discover_multicast_if;
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}
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void UPNP::set_discover_local_port(int port) {
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discover_local_port = port;
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}
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int UPNP::get_discover_local_port() const {
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return discover_local_port;
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}
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void UPNP::set_discover_ipv6(bool ipv6) {
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discover_ipv6 = ipv6;
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}
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bool UPNP::is_discover_ipv6() const {
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return discover_ipv6;
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}
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String UPNP::query_external_address() const {
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Ref<UPNPDevice> dev = get_gateway();
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if (dev == nullptr) {
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return "";
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}
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return dev->query_external_address();
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}
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int UPNP::add_port_mapping(int port, int port_internal, String desc, String proto, int duration) const {
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Ref<UPNPDevice> dev = get_gateway();
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if (dev == nullptr) {
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return UPNP_RESULT_NO_GATEWAY;
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}
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dev->delete_port_mapping(port, proto);
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return dev->add_port_mapping(port, port_internal, desc, proto, duration);
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}
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int UPNP::delete_port_mapping(int port, String proto) const {
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Ref<UPNPDevice> dev = get_gateway();
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if (dev == nullptr) {
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return UPNP_RESULT_NO_GATEWAY;
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}
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return dev->delete_port_mapping(port, proto);
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}
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void UPNP::_bind_methods() {
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ClassDB::bind_method(D_METHOD("get_device_count"), &UPNP::get_device_count);
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ClassDB::bind_method(D_METHOD("get_device", "index"), &UPNP::get_device);
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ClassDB::bind_method(D_METHOD("add_device", "device"), &UPNP::add_device);
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ClassDB::bind_method(D_METHOD("set_device", "index", "device"), &UPNP::set_device);
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ClassDB::bind_method(D_METHOD("remove_device", "index"), &UPNP::remove_device);
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ClassDB::bind_method(D_METHOD("clear_devices"), &UPNP::clear_devices);
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ClassDB::bind_method(D_METHOD("get_gateway"), &UPNP::get_gateway);
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ClassDB::bind_method(D_METHOD("discover", "timeout", "ttl", "device_filter"), &UPNP::discover, DEFVAL(2000), DEFVAL(2), DEFVAL("InternetGatewayDevice"));
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ClassDB::bind_method(D_METHOD("query_external_address"), &UPNP::query_external_address);
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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));
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ClassDB::bind_method(D_METHOD("delete_port_mapping", "port", "proto"), &UPNP::delete_port_mapping, DEFVAL("UDP"));
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ClassDB::bind_method(D_METHOD("set_discover_multicast_if", "m_if"), &UPNP::set_discover_multicast_if);
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ClassDB::bind_method(D_METHOD("get_discover_multicast_if"), &UPNP::get_discover_multicast_if);
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ADD_PROPERTY(PropertyInfo(Variant::STRING, "discover_multicast_if"), "set_discover_multicast_if", "get_discover_multicast_if");
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ClassDB::bind_method(D_METHOD("set_discover_local_port", "port"), &UPNP::set_discover_local_port);
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ClassDB::bind_method(D_METHOD("get_discover_local_port"), &UPNP::get_discover_local_port);
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ADD_PROPERTY(PropertyInfo(Variant::INT, "discover_local_port", PROPERTY_HINT_RANGE, "0,65535"), "set_discover_local_port", "get_discover_local_port");
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ClassDB::bind_method(D_METHOD("set_discover_ipv6", "ipv6"), &UPNP::set_discover_ipv6);
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ClassDB::bind_method(D_METHOD("is_discover_ipv6"), &UPNP::is_discover_ipv6);
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "discover_ipv6"), "set_discover_ipv6", "is_discover_ipv6");
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BIND_ENUM_CONSTANT(UPNP_RESULT_SUCCESS);
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BIND_ENUM_CONSTANT(UPNP_RESULT_NOT_AUTHORIZED);
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BIND_ENUM_CONSTANT(UPNP_RESULT_PORT_MAPPING_NOT_FOUND);
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BIND_ENUM_CONSTANT(UPNP_RESULT_INCONSISTENT_PARAMETERS);
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BIND_ENUM_CONSTANT(UPNP_RESULT_NO_SUCH_ENTRY_IN_ARRAY);
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BIND_ENUM_CONSTANT(UPNP_RESULT_ACTION_FAILED);
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BIND_ENUM_CONSTANT(UPNP_RESULT_SRC_IP_WILDCARD_NOT_PERMITTED);
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BIND_ENUM_CONSTANT(UPNP_RESULT_EXT_PORT_WILDCARD_NOT_PERMITTED);
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BIND_ENUM_CONSTANT(UPNP_RESULT_INT_PORT_WILDCARD_NOT_PERMITTED);
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BIND_ENUM_CONSTANT(UPNP_RESULT_REMOTE_HOST_MUST_BE_WILDCARD);
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BIND_ENUM_CONSTANT(UPNP_RESULT_EXT_PORT_MUST_BE_WILDCARD);
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BIND_ENUM_CONSTANT(UPNP_RESULT_NO_PORT_MAPS_AVAILABLE);
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BIND_ENUM_CONSTANT(UPNP_RESULT_CONFLICT_WITH_OTHER_MECHANISM);
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BIND_ENUM_CONSTANT(UPNP_RESULT_CONFLICT_WITH_OTHER_MAPPING);
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BIND_ENUM_CONSTANT(UPNP_RESULT_SAME_PORT_VALUES_REQUIRED);
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BIND_ENUM_CONSTANT(UPNP_RESULT_ONLY_PERMANENT_LEASE_SUPPORTED);
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BIND_ENUM_CONSTANT(UPNP_RESULT_INVALID_GATEWAY);
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BIND_ENUM_CONSTANT(UPNP_RESULT_INVALID_PORT);
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BIND_ENUM_CONSTANT(UPNP_RESULT_INVALID_PROTOCOL);
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BIND_ENUM_CONSTANT(UPNP_RESULT_INVALID_DURATION);
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BIND_ENUM_CONSTANT(UPNP_RESULT_INVALID_ARGS);
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BIND_ENUM_CONSTANT(UPNP_RESULT_INVALID_RESPONSE);
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BIND_ENUM_CONSTANT(UPNP_RESULT_INVALID_PARAM);
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BIND_ENUM_CONSTANT(UPNP_RESULT_HTTP_ERROR);
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BIND_ENUM_CONSTANT(UPNP_RESULT_SOCKET_ERROR);
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BIND_ENUM_CONSTANT(UPNP_RESULT_MEM_ALLOC_ERROR);
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BIND_ENUM_CONSTANT(UPNP_RESULT_NO_GATEWAY);
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BIND_ENUM_CONSTANT(UPNP_RESULT_NO_DEVICES);
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BIND_ENUM_CONSTANT(UPNP_RESULT_UNKNOWN_ERROR);
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}
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UPNP::UPNP() {
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discover_multicast_if = "";
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discover_local_port = 0;
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discover_ipv6 = false;
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}
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UPNP::~UPNP() {
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}
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