This commit does not change behavior.pull/826/head
Hennadii Stepanov
5 years ago
parent
4b8b71e630
commit
02ccf69dd6
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// Copyright (c) 2011-2020 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#if defined(HAVE_CONFIG_H)
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#include <config/bitcoin-config.h>
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#endif
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#include <mapport.h>
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#include <clientversion.h>
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#include <logging.h>
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#include <net.h>
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#include <netaddress.h>
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#include <netbase.h>
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#include <threadinterrupt.h>
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#include <util/system.h>
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#ifdef USE_UPNP
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#include <miniupnpc/miniupnpc.h>
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#include <miniupnpc/upnpcommands.h>
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#include <miniupnpc/upnperrors.h>
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// The minimum supported miniUPnPc API version is set to 10. This keeps compatibility
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// with Ubuntu 16.04 LTS and Debian 8 libminiupnpc-dev packages.
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static_assert(MINIUPNPC_API_VERSION >= 10, "miniUPnPc API version >= 10 assumed");
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#endif
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#include <cassert>
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#include <chrono>
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#include <functional>
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#include <string>
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#include <thread>
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#ifdef USE_UPNP
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static CThreadInterrupt g_upnp_interrupt;
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static std::thread g_upnp_thread;
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static void ThreadMapPort()
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{
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std::string port = strprintf("%u", GetListenPort());
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const char * multicastif = nullptr;
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const char * minissdpdpath = nullptr;
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struct UPNPDev * devlist = nullptr;
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char lanaddr[64];
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int error = 0;
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#if MINIUPNPC_API_VERSION < 14
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devlist = upnpDiscover(2000, multicastif, minissdpdpath, 0, 0, &error);
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#else
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devlist = upnpDiscover(2000, multicastif, minissdpdpath, 0, 0, 2, &error);
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#endif
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struct UPNPUrls urls;
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struct IGDdatas data;
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int r;
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r = UPNP_GetValidIGD(devlist, &urls, &data, lanaddr, sizeof(lanaddr));
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if (r == 1)
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{
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if (fDiscover) {
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char externalIPAddress[40];
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r = UPNP_GetExternalIPAddress(urls.controlURL, data.first.servicetype, externalIPAddress);
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if (r != UPNPCOMMAND_SUCCESS) {
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LogPrintf("UPnP: GetExternalIPAddress() returned %d\n", r);
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} else {
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if (externalIPAddress[0]) {
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CNetAddr resolved;
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if (LookupHost(externalIPAddress, resolved, false)) {
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LogPrintf("UPnP: ExternalIPAddress = %s\n", resolved.ToString());
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AddLocal(resolved, LOCAL_UPNP);
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}
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} else {
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LogPrintf("UPnP: GetExternalIPAddress failed.\n");
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}
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}
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}
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std::string strDesc = PACKAGE_NAME " " + FormatFullVersion();
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do {
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r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype, port.c_str(), port.c_str(), lanaddr, strDesc.c_str(), "TCP", 0, "0");
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if (r != UPNPCOMMAND_SUCCESS) {
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LogPrintf("AddPortMapping(%s, %s, %s) failed with code %d (%s)\n", port, port, lanaddr, r, strupnperror(r));
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} else {
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LogPrintf("UPnP Port Mapping successful.\n");
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}
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} while (g_upnp_interrupt.sleep_for(std::chrono::minutes(20)));
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r = UPNP_DeletePortMapping(urls.controlURL, data.first.servicetype, port.c_str(), "TCP", 0);
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LogPrintf("UPNP_DeletePortMapping() returned: %d\n", r);
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freeUPNPDevlist(devlist); devlist = nullptr;
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FreeUPNPUrls(&urls);
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} else {
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LogPrintf("No valid UPnP IGDs found\n");
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freeUPNPDevlist(devlist); devlist = nullptr;
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if (r != 0)
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FreeUPNPUrls(&urls);
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}
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}
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void StartMapPort()
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{
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if (!g_upnp_thread.joinable()) {
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assert(!g_upnp_interrupt);
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g_upnp_thread = std::thread((std::bind(&TraceThread<void (*)()>, "upnp", &ThreadMapPort)));
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}
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}
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void InterruptMapPort()
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{
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if(g_upnp_thread.joinable()) {
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g_upnp_interrupt();
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}
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}
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void StopMapPort()
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{
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if(g_upnp_thread.joinable()) {
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g_upnp_thread.join();
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g_upnp_interrupt.reset();
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}
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}
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#else
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void StartMapPort()
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{
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// Intentionally left blank.
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}
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void InterruptMapPort()
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{
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// Intentionally left blank.
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}
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void StopMapPort()
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{
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// Intentionally left blank.
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}
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#endif
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@ -0,0 +1,19 @@
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// Copyright (c) 2011-2020 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_MAPPORT_H
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#define BITCOIN_MAPPORT_H
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/** -upnp default */
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#ifdef USE_UPNP
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static const bool DEFAULT_UPNP = USE_UPNP;
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#else
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static const bool DEFAULT_UPNP = false;
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#endif
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void StartMapPort();
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void InterruptMapPort();
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void StopMapPort();
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#endif // BITCOIN_MAPPORT_H
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