// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2011 The PPCoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#include "init.h"
#include "strlcpy.h"
-#ifdef __WXMSW__
+#ifdef WIN32
#include <string.h>
-// This file can be downloaded as a part of the Windows Platform SDK
-// and is required for Bitcoin binaries to work properly on versions
-// of Windows before XP. If you are doing builds of Bitcoin for
-// public release, you should uncomment this line.
-//#include <WSPiApi.h>
#endif
#ifdef USE_UPNP
#ifdef USE_UPNP
void ThreadMapPort2(void* parg);
#endif
+void ThreadDNSAddressSeed2(void* parg);
bool OpenNetworkConnection(const CAddress& addrConnect);
bool fAllowDNS = false;
uint64 nLocalServices = (fClient ? 0 : NODE_NETWORK);
CAddress addrLocalHost("0.0.0.0", 0, false, nLocalServices);
-CNode* pnodeLocalHost = NULL;
+static CNode* pnodeLocalHost = NULL;
uint64 nLocalHostNonce = 0;
array<int, 10> vnThreadsRunning;
-SOCKET hListenSocket = INVALID_SOCKET;
+static SOCKET hListenSocket = INVALID_SOCKET;
vector<CNode*> vNodes;
CCriticalSection cs_vNodes;
SOCKET hSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if (hSocket == INVALID_SOCKET)
return false;
-#ifdef BSD
+#ifdef SO_NOSIGPIPE
int set = 1;
setsockopt(hSocket, SOL_SOCKET, SO_NOSIGPIPE, (void*)&set, sizeof(int));
#endif
bool fProxy = (fUseProxy && addrConnect.IsRoutable());
struct sockaddr_in sockaddr = (fProxy ? addrProxy.GetSockAddr() : addrConnect.GetSockAddr());
-#ifdef __WXMSW__
+#ifdef WIN32
u_long fNonblock = 1;
if (ioctlsocket(hSocket, FIONBIO, &fNonblock) == SOCKET_ERROR)
#else
return false;
}
socklen_t nRetSize = sizeof(nRet);
-#ifdef __WXMSW__
+#ifdef WIN32
if (getsockopt(hSocket, SOL_SOCKET, SO_ERROR, (char*)(&nRet), &nRetSize) == SOCKET_ERROR)
#else
if (getsockopt(hSocket, SOL_SOCKET, SO_ERROR, &nRet, &nRetSize) == SOCKET_ERROR)
return false;
}
}
-#ifdef __WXMSW__
+#ifdef WIN32
else if (WSAGetLastError() != WSAEISCONN)
#else
else
CNode::ConnectNode immediately turns the socket back to non-blocking
but we'll turn it back to blocking just in case
*/
-#ifdef __WXMSW__
+#ifdef WIN32
fNonblock = 0;
if (ioctlsocket(hSocket, FIONBIO, &fNonblock) == SOCKET_ERROR)
#else
-bool AddAddress(CAddress addr, int64 nTimePenalty)
+bool AddAddress(CAddress addr, int64 nTimePenalty, CAddrDB *pAddrDB)
{
if (!addr.IsRoutable())
return false;
if (addr.ip == addrLocalHost.ip)
return false;
addr.nTime = max((int64)0, (int64)addr.nTime - nTimePenalty);
+ bool fUpdated = false;
+ bool fNew = false;
+ CAddress addrFound = addr;
+
CRITICAL_BLOCK(cs_mapAddresses)
{
map<vector<unsigned char>, CAddress>::iterator it = mapAddresses.find(addr.GetKey());
// New address
printf("AddAddress(%s)\n", addr.ToString().c_str());
mapAddresses.insert(make_pair(addr.GetKey(), addr));
- CAddrDB().WriteAddress(addr);
- return true;
+ fUpdated = true;
+ fNew = true;
}
else
{
- bool fUpdated = false;
- CAddress& addrFound = (*it).second;
+ addrFound = (*it).second;
if ((addrFound.nServices | addr.nServices) != addrFound.nServices)
{
// Services have been added
addrFound.nTime = addr.nTime;
fUpdated = true;
}
- if (fUpdated)
- CAddrDB().WriteAddress(addrFound);
}
}
- return false;
+ // There is a nasty deadlock bug if this is done inside the cs_mapAddresses
+ // CRITICAL_BLOCK:
+ // Thread 1: begin db transaction (locks inside-db-mutex)
+ // then AddAddress (locks cs_mapAddresses)
+ // Thread 2: AddAddress (locks cs_mapAddresses)
+ // ... then db operation hangs waiting for inside-db-mutex
+ if (fUpdated)
+ {
+ if (pAddrDB)
+ pAddrDB->WriteAddress(addrFound);
+ else
+ CAddrDB().WriteAddress(addrFound);
+ }
+ return fNew;
}
void AddressCurrentlyConnected(const CAddress& addr)
printf("connected %s\n", addrConnect.ToString().c_str());
// Set to nonblocking
-#ifdef __WXMSW__
+#ifdef WIN32
u_long nOne = 1;
if (ioctlsocket(hSocket, FIONBIO, &nOne) == SOCKET_ERROR)
printf("ConnectSocket() : ioctlsocket nonblocking setting failed, error %d\n", WSAGetLastError());
}
+std::map<unsigned int, int64> CNode::setBanned;
+CCriticalSection CNode::cs_setBanned;
+
+void CNode::ClearBanned()
+{
+ setBanned.clear();
+}
+
+bool CNode::IsBanned(unsigned int ip)
+{
+ bool fResult = false;
+ CRITICAL_BLOCK(cs_setBanned)
+ {
+ std::map<unsigned int, int64>::iterator i = setBanned.find(ip);
+ if (i != setBanned.end())
+ {
+ int64 t = (*i).second;
+ if (GetTime() < t)
+ fResult = true;
+ }
+ }
+ return fResult;
+}
+
+bool CNode::Misbehaving(int howmuch)
+{
+ if (addr.IsLocal())
+ {
+ printf("Warning: local node %s misbehaving\n", addr.ToString().c_str());
+ return false;
+ }
+
+ nMisbehavior += howmuch;
+ if (nMisbehavior >= GetArg("-banscore", 100))
+ {
+ int64 banTime = GetTime()+GetArg("-bantime", 60*60*24); // Default 24-hour ban
+ CRITICAL_BLOCK(cs_setBanned)
+ if (setBanned[addr.ip] < banTime)
+ setBanned[addr.ip] = banTime;
+ CloseSocketDisconnect();
+ printf("Disconnected %s for misbehavior (score=%d)\n", addr.ToString().c_str(), nMisbehavior);
+ return true;
+ }
+ return false;
+}
+
{
closesocket(hSocket);
}
+ else if (CNode::IsBanned(addr.ip))
+ {
+ printf("connetion from %s dropped (banned)\n", addr.ToString().c_str());
+ closesocket(hSocket);
+ }
else
{
printf("accepted connection %s\n", addr.ToString().c_str());
struct UPNPDev * devlist = 0;
char lanaddr[64];
+#ifndef UPNPDISCOVER_SUCCESS
+ /* miniupnpc 1.5 */
devlist = upnpDiscover(2000, multicastif, minissdpdpath, 0);
+#else
+ /* miniupnpc 1.6 */
+ int error = 0;
+ devlist = upnpDiscover(2000, multicastif, minissdpdpath, 0, 0, &error);
+#endif
struct UPNPUrls urls;
struct IGDdatas data;
{
char intClient[16];
char intPort[6];
-
-#ifndef __WXMSW__
+ string strDesc = "Bitcoin " + FormatFullVersion();
+#ifndef UPNPDISCOVER_SUCCESS
+ /* miniupnpc 1.5 */
r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
- port, port, lanaddr, 0, "TCP", 0);
+ port, port, lanaddr, strDesc.c_str(), "TCP", 0);
#else
+ /* miniupnpc 1.6 */
r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
- port, port, lanaddr, 0, "TCP", 0, "0");
+ port, port, lanaddr, strDesc.c_str(), "TCP", 0, "0");
#endif
+
if(r!=UPNPCOMMAND_SUCCESS)
printf("AddPortMapping(%s, %s, %s) failed with code %d (%s)\n",
port, port, lanaddr, r, strupnperror(r));
printf("Error: ThreadMapPort(ThreadMapPort) failed\n");
}
}
+#else
+void MapPort(bool /* unused fMapPort */)
+{
+ // Intentionally left blank.
+}
#endif
static const char *strDNSSeed[] = {
- "bitseed.xf2.org",
- "bitseed.bitcoin.org.uk",
- "dnsseed.bluematt.me",
+ // "seeds.ppcoin.org"
};
-void DNSAddressSeed()
+void ThreadDNSAddressSeed(void* parg)
{
+ IMPLEMENT_RANDOMIZE_STACK(ThreadDNSAddressSeed(parg));
+ try
+ {
+ vnThreadsRunning[6]++;
+ ThreadDNSAddressSeed2(parg);
+ vnThreadsRunning[6]--;
+ }
+ catch (std::exception& e) {
+ vnThreadsRunning[6]--;
+ PrintException(&e, "ThreadDNSAddressSeed()");
+ } catch (...) {
+ vnThreadsRunning[6]--;
+ throw; // support pthread_cancel()
+ }
+ printf("ThreadDNSAddressSeed exiting\n");
+}
+
+void ThreadDNSAddressSeed2(void* parg)
+{
+ printf("ThreadDNSAddressSeed started\n");
int found = 0;
if (!fTestNet)
{
printf("Loading addresses from DNS seeds (could take a while)\n");
+ CAddrDB addrDB;
+ addrDB.TxnBegin();
for (int seed_idx = 0; seed_idx < ARRAYLEN(strDNSSeed); seed_idx++) {
vector<CAddress> vaddr;
if (addr.GetByte(3) != 127)
{
addr.nTime = 0;
- AddAddress(addr);
+ AddAddress(addr, 0, &addrDB);
found++;
}
}
}
}
+
+ addrDB.TxnCommit(); // Save addresses (it's ok if this fails)
}
printf("%d addresses found from DNS seeds\n", found);
+
+
+
+
+
+
+
+
+
unsigned int pnSeed[] =
{
- 0x1ddb1032, 0x6242ce40, 0x52d6a445, 0x2dd7a445, 0x8a53cd47, 0x73263750, 0xda23c257, 0xecd4ed57,
- 0x0a40ec59, 0x75dce160, 0x7df76791, 0x89370bad, 0xa4f214ad, 0x767700ae, 0x638b0418, 0x868a1018,
- 0xcd9f332e, 0x0129653e, 0xcc92dc3e, 0x96671640, 0x56487e40, 0x5b66f440, 0xb1d01f41, 0xf1dc6041,
- 0xc1d12b42, 0x86ba1243, 0x6be4df43, 0x6d4cef43, 0xd18e0644, 0x1ab0b344, 0x6584a345, 0xe7c1a445,
- 0x58cea445, 0xc5daa445, 0x21dda445, 0x3d3b5346, 0x13e55347, 0x1080d24a, 0x8e611e4b, 0x81518e4b,
- 0x6c839e4b, 0xe2ad0a4c, 0xfbbc0a4c, 0x7f5b6e4c, 0x7244224e, 0x1300554e, 0x20690652, 0x5a48b652,
- 0x75c5c752, 0x4335cc54, 0x340fd154, 0x87c07455, 0x087b2b56, 0x8a133a57, 0xac23c257, 0x70374959,
- 0xfb63d45b, 0xb9a1685c, 0x180d765c, 0x674f645d, 0x04d3495e, 0x1de44b5e, 0x4ee8a362, 0x0ded1b63,
- 0xc1b04b6d, 0x8d921581, 0x97b7ea82, 0x1cf83a8e, 0x91490bad, 0x09dc75ae, 0x9a6d79ae, 0xa26d79ae,
- 0x0fd08fae, 0x0f3e3fb2, 0x4f944fb2, 0xcca448b8, 0x3ecd6ab8, 0xa9d5a5bc, 0x8d0119c1, 0x045997d5,
- 0xca019dd9, 0x0d526c4d, 0xabf1ba44, 0x66b1ab55, 0x1165f462, 0x3ed7cbad, 0xa38fae6e, 0x3bd2cbad,
- 0xd36f0547, 0x20df7840, 0x7a337742, 0x549f8e4b, 0x9062365c, 0xd399f562, 0x2b5274a1, 0x8edfa153,
- 0x3bffb347, 0x7074bf58, 0xb74fcbad, 0x5b5a795b, 0x02fa29ce, 0x5a6738d4, 0xe8a1d23e, 0xef98c445,
- 0x4b0f494c, 0xa2bc1e56, 0x7694ad63, 0xa4a800c3, 0x05fda6cd, 0x9f22175e, 0x364a795b, 0x536285d5,
- 0xac44c9d4, 0x0b06254d, 0x150c2fd4, 0x32a50dcc, 0xfd79ce48, 0xf15cfa53, 0x66c01e60, 0x6bc26661,
- 0xc03b47ae, 0x4dda1b81, 0x3285a4c1, 0x883ca96d, 0x35d60a4c, 0xdae09744, 0x2e314d61, 0x84e247cf,
- 0x6c814552, 0x3a1cc658, 0x98d8f382, 0xe584cb5b, 0x15e86057, 0x7b01504e, 0xd852dd48, 0x56382f56,
- 0x0a5df454, 0xa0d18d18, 0x2e89b148, 0xa79c114c, 0xcbdcd054, 0x5523bc43, 0xa9832640, 0x8a066144,
- 0x3894c3bc, 0xab76bf58, 0x6a018ac1, 0xfebf4f43, 0x2f26c658, 0x31102f4e, 0x85e929d5, 0x2a1c175e,
- 0xfc6c2cd1, 0x27b04b6d, 0xdf024650, 0x161748b8, 0x28be6580, 0x57be6580, 0x1cee677a, 0xaa6bb742,
- 0x9a53964b, 0x0a5a2d4d, 0x2434c658, 0x9a494f57, 0x1ebb0e48, 0xf610b85d, 0x077ecf44, 0x085128bc,
- 0x5ba17a18, 0x27ca1b42, 0xf8a00b56, 0xfcd4c257, 0xcf2fc15e, 0xd897e052, 0x4cada04f, 0x2f35f6d5,
- 0x382ce8c9, 0xe523984b, 0x3f946846, 0x60c8be43, 0x41da6257, 0xde0be142, 0xae8a544b, 0xeff0c254,
- 0x1e0f795b, 0xaeb28890, 0xca16acd9, 0x1e47ddd8, 0x8c8c4829, 0xd27dc747, 0xd53b1663, 0x4096b163,
- 0x9c8dd958, 0xcb12f860, 0x9e79305c, 0x40c1a445, 0x4a90c2bc, 0x2c3a464d, 0x2727f23c, 0x30b04b6d,
- 0x59024cb8, 0xa091e6ad, 0x31b04b6d, 0xc29d46a6, 0x63934fb2, 0xd9224dbe, 0x9f5910d8, 0x7f530a6b,
- 0x752e9c95, 0x65453548, 0xa484be46, 0xce5a1b59, 0x710e0718, 0x46a13d18, 0xdaaf5318, 0xc4a8ff53,
- 0x87abaa52, 0xb764cf51, 0xb2025d4a, 0x6d351e41, 0xc035c33e, 0xa432c162, 0x61ef34ae, 0xd16fddbc,
- 0x0870e8c1, 0x3070e8c1, 0x9c71e8c1, 0xa4992363, 0x85a1f663, 0x4184e559, 0x18d96ed8, 0x17b8dbd5,
- 0x60e7cd18, 0xe5ee104c, 0xab17ac62, 0x1e786e1b, 0x5d23b762, 0xf2388fae, 0x88270360, 0x9e5b3d80,
- 0x7da518b2, 0xb5613b45, 0x1ad41f3e, 0xd550854a, 0x8617e9a9, 0x925b229c, 0xf2e92542, 0x47af0544,
- 0x73b5a843, 0xb9b7a0ad, 0x03a748d0, 0x0a6ff862, 0x6694df62, 0x3bfac948, 0x8e098f4f, 0x746916c3,
- 0x02f38e4f, 0x40bb1243, 0x6a54d162, 0x6008414b, 0xa513794c, 0x514aa343, 0x63781747, 0xdbb6795b,
- 0xed065058, 0x42d24b46, 0x1518794c, 0x9b271681, 0x73e4ffad, 0x0654784f, 0x438dc945, 0x641846a6,
- 0x2d1b0944, 0x94b59148, 0x8d369558, 0xa5a97662, 0x8b705b42, 0xce9204ae, 0x8d584450, 0x2df61555,
- 0xeebff943, 0x2e75fb4d, 0x3ef8fc57, 0x9921135e, 0x8e31042e, 0xb5afad43, 0x89ecedd1, 0x9cfcc047,
- 0x8fcd0f4c, 0xbe49f5ad, 0x146a8d45, 0x98669ab8, 0x98d9175e, 0xd1a8e46d, 0x839a3ab8, 0x40a0016c,
- 0x6d27c257, 0x977fffad, 0x7baa5d5d, 0x1213be43, 0xb167e5a9, 0x640fe8ca, 0xbc9ea655, 0x0f820a4c,
- 0x0f097059, 0x69ac957c, 0x366d8453, 0xb1ba2844, 0x8857f081, 0x70b5be63, 0xc545454b, 0xaf36ded1,
- 0xb5a4b052, 0x21f062d1, 0x72ab89b2, 0x74a45318, 0x8312e6bc, 0xb916965f, 0x8aa7c858, 0xfe7effad,
+ 0xfc01a8c0
};
CRITICAL_BLOCK(cs_mapAddresses)
{
// Add seed nodes if IRC isn't working
- static bool fSeedUsed;
bool fTOR = (fUseProxy && addrProxy.port == htons(9050));
if (mapAddresses.empty() && (GetTime() - nStart > 60 || fTOR) && !fTestNet)
{
{
// It'll only connect to one or two seed nodes because once it connects,
// it'll get a pile of addresses with newer timestamps.
+ // Seed nodes are given a random 'last seen time' of between one and two
+ // weeks ago.
+ const int64 nOneWeek = 7*24*60*60;
CAddress addr;
addr.ip = pnSeed[i];
- addr.nTime = 0;
+ addr.nTime = GetTime()-GetRand(nOneWeek)-nOneWeek;
AddAddress(addr);
}
- fSeedUsed = true;
- }
-
- if (fSeedUsed && mapAddresses.size() > ARRAYLEN(pnSeed) + 100)
- {
- // Disconnect seed nodes
- set<unsigned int> setSeed(pnSeed, pnSeed + ARRAYLEN(pnSeed));
- static int64 nSeedDisconnected;
- if (nSeedDisconnected == 0)
- {
- nSeedDisconnected = GetTime();
- CRITICAL_BLOCK(cs_vNodes)
- BOOST_FOREACH(CNode* pnode, vNodes)
- if (setSeed.count(pnode->addr.ip))
- pnode->fDisconnect = true;
- }
-
- // Keep setting timestamps to 0 so they won't reconnect
- if (GetTime() - nSeedDisconnected < 60 * 60)
- {
- BOOST_FOREACH(PAIRTYPE(const vector<unsigned char>, CAddress)& item, mapAddresses)
- {
- if (setSeed.count(item.second.ip) && item.second.nTime != 0)
- {
- item.second.nTime = 0;
- CAddrDB().WriteAddress(item.second);
- }
- }
- }
}
}
BOOST_FOREACH(CNode* pnode, vNodes)
setConnected.insert(pnode->addr.ip & 0x0000ffff);
+ int64 nANow = GetAdjustedTime();
+
CRITICAL_BLOCK(cs_mapAddresses)
{
BOOST_FOREACH(const PAIRTYPE(vector<unsigned char>, CAddress)& item, mapAddresses)
const CAddress& addr = item.second;
if (!addr.IsIPv4() || !addr.IsValid() || setConnected.count(addr.ip & 0x0000ffff))
continue;
- int64 nSinceLastSeen = GetAdjustedTime() - addr.nTime;
- int64 nSinceLastTry = GetAdjustedTime() - addr.nLastTry;
+ int64 nSinceLastSeen = nANow - addr.nTime;
+ int64 nSinceLastTry = nANow - addr.nLastTry;
// Randomize the order in a deterministic way, putting the standard port first
int64 nRandomizer = (uint64)(nStart * 4951 + addr.nLastTry * 9567851 + addr.ip * 7789) % (2 * 60 * 60);
//
if (fShutdown)
return false;
- if (addrConnect.ip == addrLocalHost.ip || !addrConnect.IsIPv4() || FindNode(addrConnect.ip))
+ if (addrConnect.ip == addrLocalHost.ip || !addrConnect.IsIPv4() ||
+ FindNode(addrConnect.ip) || CNode::IsBanned(addrConnect.ip))
return false;
vnThreadsRunning[1]--;
int nOne = 1;
addrLocalHost.port = htons(GetListenPort());
-#ifdef __WXMSW__
+#ifdef WIN32
// Initialize Windows Sockets
WSADATA wsadata;
int ret = WSAStartup(MAKEWORD(2,2), &wsadata);
return false;
}
-#ifdef BSD
+#ifdef SO_NOSIGPIPE
// Different way of disabling SIGPIPE on BSD
setsockopt(hListenSocket, SOL_SOCKET, SO_NOSIGPIPE, (void*)&nOne, sizeof(int));
#endif
-#ifndef __WXMSW__
+#ifndef WIN32
// Allow binding if the port is still in TIME_WAIT state after
// the program was closed and restarted. Not an issue on windows.
setsockopt(hListenSocket, SOL_SOCKET, SO_REUSEADDR, (void*)&nOne, sizeof(int));
#endif
-#ifdef __WXMSW__
+#ifdef WIN32
// Set to nonblocking, incoming connections will also inherit this
if (ioctlsocket(hListenSocket, FIONBIO, (u_long*)&nOne) == SOCKET_ERROR)
#else
if (pnodeLocalHost == NULL)
pnodeLocalHost = new CNode(INVALID_SOCKET, CAddress("127.0.0.1", 0, false, nLocalServices));
-#ifdef __WXMSW__
+#ifdef WIN32
// Get local host ip
char pszHostName[1000] = "";
if (gethostname(pszHostName, sizeof(pszHostName)) != SOCKET_ERROR)
// Start threads
//
+ if (GetBoolArg("-nodnsseed"))
+ printf("DNS seeding disabled\n");
+ else
+ if (!CreateThread(ThreadDNSAddressSeed, NULL))
+ printf("Error: CreateThread(ThreadDNSAddressSeed) failed\n");
+
// Map ports with UPnP
if (fHaveUPnP)
MapPort(fUseUPnP);
printf("Error: CreateThread(ThreadIRCSeed) failed\n");
// Send and receive from sockets, accept connections
- CreateThread(ThreadSocketHandler, NULL, true);
+ if (!CreateThread(ThreadSocketHandler, NULL))
+ printf("Error: CreateThread(ThreadSocketHandler) failed\n");
// Initiate outbound connections
if (!CreateThread(ThreadOpenConnections, NULL))
if (vnThreadsRunning[3] > 0) printf("ThreadBitcoinMiner still running\n");
if (vnThreadsRunning[4] > 0) printf("ThreadRPCServer still running\n");
if (fHaveUPnP && vnThreadsRunning[5] > 0) printf("ThreadMapPort still running\n");
+ if (vnThreadsRunning[6] > 0) printf("ThreadDNSAddressSeed still running\n");
while (vnThreadsRunning[2] > 0 || vnThreadsRunning[4] > 0)
Sleep(20);
Sleep(50);
if (closesocket(hListenSocket) == SOCKET_ERROR)
printf("closesocket(hListenSocket) failed with error %d\n", WSAGetLastError());
-#ifdef __WXMSW__
+#ifdef WIN32
// Shutdown Windows Sockets
WSACleanup();
#endif
git://git.novaco.in / novacoin.git / blobdiff