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-rw-r--r--src/net.cpp213
1 files changed, 139 insertions, 74 deletions
diff --git a/src/net.cpp b/src/net.cpp
index a403655660..1320781cb2 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -11,6 +11,9 @@
#include <miniupnpc/upnperrors.h>
#endif
+using namespace std;
+using namespace boost;
+
static const int MAX_OUTBOUND_CONNECTIONS = 8;
void ThreadMessageHandler2(void* parg);
@@ -29,8 +32,9 @@ bool OpenNetworkConnection(const CAddress& addrConnect);
// Global state variables
//
bool fClient = false;
+bool fAllowDNS = false;
uint64 nLocalServices = (fClient ? 0 : NODE_NETWORK);
-CAddress addrLocalHost(0, 0, nLocalServices);
+CAddress addrLocalHost("0.0.0.0", 0, false, nLocalServices);
CNode* pnodeLocalHost = NULL;
uint64 nLocalHostNonce = 0;
array<int, 10> vnThreadsRunning;
@@ -47,7 +51,7 @@ map<CInv, int64> mapAlreadyAskedFor;
// Settings
int fUseProxy = false;
-CAddress addrProxy("127.0.0.1:9050");
+CAddress addrProxy("127.0.0.1",9050);
@@ -92,7 +96,7 @@ bool ConnectSocket(const CAddress& addrConnect, SOCKET& hSocketRet)
if (fProxy)
{
- printf("proxy connecting %s\n", addrConnect.ToStringLog().c_str());
+ printf("proxy connecting %s\n", addrConnect.ToString().c_str());
char pszSocks4IP[] = "\4\1\0\0\0\0\0\0user";
memcpy(pszSocks4IP + 2, &addrConnect.port, 2);
memcpy(pszSocks4IP + 4, &addrConnect.ip, 4);
@@ -118,14 +122,83 @@ bool ConnectSocket(const CAddress& addrConnect, SOCKET& hSocketRet)
printf("ERROR: Proxy returned error %d\n", pchRet[1]);
return false;
}
- printf("proxy connected %s\n", addrConnect.ToStringLog().c_str());
+ printf("proxy connected %s\n", addrConnect.ToString().c_str());
}
hSocketRet = hSocket;
return true;
}
+// portDefault is in host order
+bool Lookup(const char *pszName, vector<CAddress>& vaddr, int nServices, int nMaxSolutions, bool fAllowLookup, int portDefault, bool fAllowPort)
+{
+ vaddr.clear();
+ if (pszName[0] == 0)
+ return false;
+ int port = portDefault;
+ char psz[256];
+ char *pszHost = psz;
+ strlcpy(psz, pszName, sizeof(psz));
+ if (fAllowPort)
+ {
+ char* pszColon = strrchr(psz+1,':');
+ char *pszPortEnd = NULL;
+ int portParsed = pszColon ? strtoul(pszColon+1, &pszPortEnd, 10) : 0;
+ if (pszColon && pszPortEnd && pszPortEnd[0] == 0)
+ {
+ if (psz[0] == '[' && pszColon[-1] == ']')
+ {
+ // Future: enable IPv6 colon-notation inside []
+ pszHost = psz+1;
+ pszColon[-1] = 0;
+ }
+ else
+ pszColon[0] = 0;
+ port = portParsed;
+ if (port < 0 || port > USHRT_MAX)
+ port = USHRT_MAX;
+ }
+ }
+
+ unsigned int addrIP = inet_addr(pszHost);
+ if (addrIP != INADDR_NONE)
+ {
+ // valid IP address passed
+ vaddr.push_back(CAddress(addrIP, port, nServices));
+ return true;
+ }
+
+ if (!fAllowLookup)
+ return false;
+
+ struct hostent* phostent = gethostbyname(pszHost);
+ if (!phostent)
+ return false;
+
+ if (phostent->h_addrtype != AF_INET)
+ return false;
+
+ char** ppAddr = phostent->h_addr_list;
+ while (*ppAddr != NULL && vaddr.size() != nMaxSolutions)
+ {
+ CAddress addr(((struct in_addr*)ppAddr[0])->s_addr, port, nServices);
+ if (addr.IsValid())
+ vaddr.push_back(addr);
+ ppAddr++;
+ }
+
+ return (vaddr.size() > 0);
+}
+// portDefault is in host order
+bool Lookup(const char *pszName, CAddress& addr, int nServices, bool fAllowLookup, int portDefault, bool fAllowPort)
+{
+ vector<CAddress> vaddr;
+ bool fRet = Lookup(pszName, vaddr, nServices, 1, fAllowLookup, portDefault, fAllowPort);
+ if (fRet)
+ addr = vaddr[0];
+ return fRet;
+}
bool GetMyExternalIP2(const CAddress& addrConnect, const char* pszGet, const char* pszKeyword, unsigned int& ipRet)
{
@@ -161,7 +234,7 @@ bool GetMyExternalIP2(const CAddress& addrConnect, const char* pszGet, const cha
strLine = strLine.substr(strspn(strLine.c_str(), " \t\n\r"));
while (strLine.size() > 0 && isspace(strLine[strLine.size()-1]))
strLine.resize(strLine.size()-1);
- CAddress addr(strLine.c_str());
+ CAddress addr(strLine,0,true);
printf("GetMyExternalIP() received [%s] %s\n", strLine.c_str(), addr.ToString().c_str());
if (addr.ip == 0 || addr.ip == INADDR_NONE || !addr.IsRoutable())
return false;
@@ -192,13 +265,13 @@ bool GetMyExternalIP(unsigned int& ipRet)
// <?php echo $_SERVER["REMOTE_ADDR"]; ?>
if (nHost == 1)
{
- addrConnect = CAddress("91.198.22.70:80"); // checkip.dyndns.org
+ addrConnect = CAddress("91.198.22.70",80); // checkip.dyndns.org
if (nLookup == 1)
{
- struct hostent* phostent = gethostbyname("checkip.dyndns.org");
- if (phostent && phostent->h_addr_list && phostent->h_addr_list[0])
- addrConnect = CAddress(*(u_long*)phostent->h_addr_list[0], htons(80));
+ CAddress addrIP("checkip.dyndns.org", 80, true);
+ if (addrIP.IsValid())
+ addrConnect = addrIP;
}
pszGet = "GET / HTTP/1.1\r\n"
@@ -211,13 +284,13 @@ bool GetMyExternalIP(unsigned int& ipRet)
}
else if (nHost == 2)
{
- addrConnect = CAddress("74.208.43.192:80"); // www.showmyip.com
+ addrConnect = CAddress("74.208.43.192", 80); // www.showmyip.com
if (nLookup == 1)
{
- struct hostent* phostent = gethostbyname("www.showmyip.com");
- if (phostent && phostent->h_addr_list && phostent->h_addr_list[0])
- addrConnect = CAddress(*(u_long*)phostent->h_addr_list[0], htons(80));
+ CAddress addrIP("www.showmyip.com", 80, true);
+ if (addrIP.IsValid())
+ addrConnect = addrIP;
}
pszGet = "GET /simple/ HTTP/1.1\r\n"
@@ -260,7 +333,7 @@ void ThreadGetMyExternalIP(void* parg)
CAddress addr(addrLocalHost);
addr.nTime = GetAdjustedTime();
CRITICAL_BLOCK(cs_vNodes)
- foreach(CNode* pnode, vNodes)
+ BOOST_FOREACH(CNode* pnode, vNodes)
pnode->PushAddress(addr);
}
}
@@ -283,7 +356,7 @@ bool AddAddress(CAddress addr, int64 nTimePenalty)
if (it == mapAddresses.end())
{
// New address
- printf("AddAddress(%s)\n", addr.ToStringLog().c_str());
+ printf("AddAddress(%s)\n", addr.ToString().c_str());
mapAddresses.insert(make_pair(addr.GetKey(), addr));
CAddrDB().WriteAddress(addr);
return true;
@@ -344,7 +417,7 @@ void AbandonRequests(void (*fn)(void*, CDataStream&), void* param1)
// call this in the destructor so it doesn't get called after it's deleted.
CRITICAL_BLOCK(cs_vNodes)
{
- foreach(CNode* pnode, vNodes)
+ BOOST_FOREACH(CNode* pnode, vNodes)
{
CRITICAL_BLOCK(pnode->cs_mapRequests)
{
@@ -381,7 +454,7 @@ bool AnySubscribed(unsigned int nChannel)
if (pnodeLocalHost->IsSubscribed(nChannel))
return true;
CRITICAL_BLOCK(cs_vNodes)
- foreach(CNode* pnode, vNodes)
+ BOOST_FOREACH(CNode* pnode, vNodes)
if (pnode->IsSubscribed(nChannel))
return true;
return false;
@@ -403,7 +476,7 @@ void CNode::Subscribe(unsigned int nChannel, unsigned int nHops)
{
// Relay subscribe
CRITICAL_BLOCK(cs_vNodes)
- foreach(CNode* pnode, vNodes)
+ BOOST_FOREACH(CNode* pnode, vNodes)
if (pnode != this)
pnode->PushMessage("subscribe", nChannel, nHops);
}
@@ -425,7 +498,7 @@ void CNode::CancelSubscribe(unsigned int nChannel)
{
// Relay subscription cancel
CRITICAL_BLOCK(cs_vNodes)
- foreach(CNode* pnode, vNodes)
+ BOOST_FOREACH(CNode* pnode, vNodes)
if (pnode != this)
pnode->PushMessage("sub-cancel", nChannel);
}
@@ -443,7 +516,7 @@ CNode* FindNode(unsigned int ip)
{
CRITICAL_BLOCK(cs_vNodes)
{
- foreach(CNode* pnode, vNodes)
+ BOOST_FOREACH(CNode* pnode, vNodes)
if (pnode->addr.ip == ip)
return (pnode);
}
@@ -454,7 +527,7 @@ CNode* FindNode(CAddress addr)
{
CRITICAL_BLOCK(cs_vNodes)
{
- foreach(CNode* pnode, vNodes)
+ BOOST_FOREACH(CNode* pnode, vNodes)
if (pnode->addr == addr)
return (pnode);
}
@@ -479,7 +552,7 @@ CNode* ConnectNode(CAddress addrConnect, int64 nTimeout)
/// debug print
printf("trying connection %s lastseen=%.1fhrs lasttry=%.1fhrs\n",
- addrConnect.ToStringLog().c_str(),
+ addrConnect.ToString().c_str(),
(double)(addrConnect.nTime - GetAdjustedTime())/3600.0,
(double)(addrConnect.nLastTry - GetAdjustedTime())/3600.0);
@@ -491,7 +564,7 @@ CNode* ConnectNode(CAddress addrConnect, int64 nTimeout)
if (ConnectSocket(addrConnect, hSocket))
{
/// debug print
- printf("connected %s\n", addrConnect.ToStringLog().c_str());
+ printf("connected %s\n", addrConnect.ToString().c_str());
// Set to nonblocking
#ifdef __WXMSW__
@@ -528,7 +601,7 @@ void CNode::CloseSocketDisconnect()
{
if (fDebug)
printf("%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
- printf("disconnecting node %s\n", addr.ToStringLog().c_str());
+ printf("disconnecting node %s\n", addr.ToString().c_str());
closesocket(hSocket);
hSocket = INVALID_SOCKET;
}
@@ -591,7 +664,7 @@ void ThreadSocketHandler2(void* parg)
{
// Disconnect unused nodes
vector<CNode*> vNodesCopy = vNodes;
- foreach(CNode* pnode, vNodesCopy)
+ BOOST_FOREACH(CNode* pnode, vNodesCopy)
{
if (pnode->fDisconnect ||
(pnode->GetRefCount() <= 0 && pnode->vRecv.empty() && pnode->vSend.empty()))
@@ -613,7 +686,7 @@ void ThreadSocketHandler2(void* parg)
// Delete disconnected nodes
list<CNode*> vNodesDisconnectedCopy = vNodesDisconnected;
- foreach(CNode* pnode, vNodesDisconnectedCopy)
+ BOOST_FOREACH(CNode* pnode, vNodesDisconnectedCopy)
{
// wait until threads are done using it
if (pnode->GetRefCount() <= 0)
@@ -659,7 +732,7 @@ void ThreadSocketHandler2(void* parg)
hSocketMax = max(hSocketMax, hListenSocket);
CRITICAL_BLOCK(cs_vNodes)
{
- foreach(CNode* pnode, vNodes)
+ BOOST_FOREACH(CNode* pnode, vNodes)
{
if (pnode->hSocket == INVALID_SOCKET || pnode->hSocket < 0)
continue;
@@ -701,7 +774,7 @@ void ThreadSocketHandler2(void* parg)
int nInbound = 0;
CRITICAL_BLOCK(cs_vNodes)
- foreach(CNode* pnode, vNodes)
+ BOOST_FOREACH(CNode* pnode, vNodes)
if (pnode->fInbound)
nInbound++;
if (hSocket == INVALID_SOCKET)
@@ -715,7 +788,7 @@ void ThreadSocketHandler2(void* parg)
}
else
{
- printf("accepted connection %s\n", addr.ToStringLog().c_str());
+ printf("accepted connection %s\n", addr.ToString().c_str());
CNode* pnode = new CNode(hSocket, addr, true);
pnode->AddRef();
CRITICAL_BLOCK(cs_vNodes)
@@ -731,10 +804,10 @@ void ThreadSocketHandler2(void* parg)
CRITICAL_BLOCK(cs_vNodes)
{
vNodesCopy = vNodes;
- foreach(CNode* pnode, vNodesCopy)
+ BOOST_FOREACH(CNode* pnode, vNodesCopy)
pnode->AddRef();
}
- foreach(CNode* pnode, vNodesCopy)
+ BOOST_FOREACH(CNode* pnode, vNodesCopy)
{
if (fShutdown)
return;
@@ -851,7 +924,7 @@ void ThreadSocketHandler2(void* parg)
}
CRITICAL_BLOCK(cs_vNodes)
{
- foreach(CNode* pnode, vNodesCopy)
+ BOOST_FOREACH(CNode* pnode, vNodesCopy)
pnode->Release();
}
@@ -892,7 +965,7 @@ void ThreadMapPort2(void* parg)
printf("ThreadMapPort started\n");
char port[6];
- sprintf(port, "%d", ntohs(GetDefaultPort()));
+ sprintf(port, "%d", GetDefaultPort());
const char * rootdescurl = 0;
const char * multicastif = 0;
@@ -984,17 +1057,17 @@ void DNSAddressSeed()
printf("Loading addresses from DNS seeds (could take a while)\n");
for (int seed_idx = 0; seed_idx < ARRAYLEN(strDNSSeed); seed_idx++) {
- struct hostent* phostent = gethostbyname(strDNSSeed[seed_idx]);
- if (!phostent)
- continue;
-
- for (int host = 0; phostent->h_addr_list[host] != NULL; host++) {
- CAddress addr(*(unsigned int*)phostent->h_addr_list[host],
- GetDefaultPort(), NODE_NETWORK);
- addr.nTime = 0;
- if (addr.IsValid() && addr.GetByte(3) != 127) {
- AddAddress(addr);
- found++;
+ vector<CAddress> vaddr;
+ if (Lookup(strDNSSeed[seed_idx], vaddr, NODE_NETWORK, true))
+ {
+ BOOST_FOREACH (CAddress& addr, vaddr)
+ {
+ if (addr.GetByte(3) != 127)
+ {
+ addr.nTime = 0;
+ AddAddress(addr);
+ found++;
+ }
}
}
}
@@ -1078,9 +1151,9 @@ void ThreadOpenConnections2(void* parg)
{
for (int64 nLoop = 0;; nLoop++)
{
- foreach(string strAddr, mapMultiArgs["-connect"])
+ BOOST_FOREACH(string strAddr, mapMultiArgs["-connect"])
{
- CAddress addr(strAddr, NODE_NETWORK);
+ CAddress addr(strAddr, fAllowDNS);
if (addr.IsValid())
OpenNetworkConnection(addr);
for (int i = 0; i < 10 && i < nLoop; i++)
@@ -1096,9 +1169,9 @@ void ThreadOpenConnections2(void* parg)
// Connect to manually added nodes first
if (mapArgs.count("-addnode"))
{
- foreach(string strAddr, mapMultiArgs["-addnode"])
+ BOOST_FOREACH(string strAddr, mapMultiArgs["-addnode"])
{
- CAddress addr(strAddr, NODE_NETWORK);
+ CAddress addr(strAddr, fAllowDNS);
if (addr.IsValid())
{
OpenNetworkConnection(addr);
@@ -1120,7 +1193,7 @@ void ThreadOpenConnections2(void* parg)
{
int nOutbound = 0;
CRITICAL_BLOCK(cs_vNodes)
- foreach(CNode* pnode, vNodes)
+ BOOST_FOREACH(CNode* pnode, vNodes)
if (!pnode->fInbound)
nOutbound++;
int nMaxOutboundConnections = MAX_OUTBOUND_CONNECTIONS;
@@ -1163,7 +1236,7 @@ void ThreadOpenConnections2(void* parg)
{
nSeedDisconnected = GetTime();
CRITICAL_BLOCK(cs_vNodes)
- foreach(CNode* pnode, vNodes)
+ BOOST_FOREACH(CNode* pnode, vNodes)
if (setSeed.count(pnode->addr.ip))
pnode->fDisconnect = true;
}
@@ -1171,7 +1244,7 @@ void ThreadOpenConnections2(void* parg)
// Keep setting timestamps to 0 so they won't reconnect
if (GetTime() - nSeedDisconnected < 60 * 60)
{
- foreach(PAIRTYPE(const vector<unsigned char>, CAddress)& item, mapAddresses)
+ BOOST_FOREACH(PAIRTYPE(const vector<unsigned char>, CAddress)& item, mapAddresses)
{
if (setSeed.count(item.second.ip) && item.second.nTime != 0)
{
@@ -1194,12 +1267,12 @@ void ThreadOpenConnections2(void* parg)
// Do this here so we don't have to critsect vNodes inside mapAddresses critsect.
set<unsigned int> setConnected;
CRITICAL_BLOCK(cs_vNodes)
- foreach(CNode* pnode, vNodes)
+ BOOST_FOREACH(CNode* pnode, vNodes)
setConnected.insert(pnode->addr.ip & 0x0000ffff);
CRITICAL_BLOCK(cs_mapAddresses)
{
- foreach(const PAIRTYPE(vector<unsigned char>, CAddress)& item, 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))
@@ -1209,7 +1282,7 @@ void ThreadOpenConnections2(void* parg)
// 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 (addr.port != GetDefaultPort())
+ if (addr.port != htons(GetDefaultPort()))
nRandomizer += 2 * 60 * 60;
// Last seen Base retry frequency
@@ -1315,7 +1388,7 @@ void ThreadMessageHandler2(void* parg)
CRITICAL_BLOCK(cs_vNodes)
{
vNodesCopy = vNodes;
- foreach(CNode* pnode, vNodesCopy)
+ BOOST_FOREACH(CNode* pnode, vNodesCopy)
pnode->AddRef();
}
@@ -1323,7 +1396,7 @@ void ThreadMessageHandler2(void* parg)
CNode* pnodeTrickle = NULL;
if (!vNodesCopy.empty())
pnodeTrickle = vNodesCopy[GetRand(vNodesCopy.size())];
- foreach(CNode* pnode, vNodesCopy)
+ BOOST_FOREACH(CNode* pnode, vNodesCopy)
{
// Receive messages
TRY_CRITICAL_BLOCK(pnode->cs_vRecv)
@@ -1340,7 +1413,7 @@ void ThreadMessageHandler2(void* parg)
CRITICAL_BLOCK(cs_vNodes)
{
- foreach(CNode* pnode, vNodesCopy)
+ BOOST_FOREACH(CNode* pnode, vNodesCopy)
pnode->Release();
}
@@ -1369,7 +1442,7 @@ bool BindListenPort(string& strError)
{
strError = "";
int nOne = 1;
- addrLocalHost.port = GetDefaultPort();
+ addrLocalHost.port = htons(GetDefaultPort());
#ifdef __WXMSW__
// Initialize Windows Sockets
@@ -1421,7 +1494,7 @@ bool BindListenPort(string& strError)
memset(&sockaddr, 0, sizeof(sockaddr));
sockaddr.sin_family = AF_INET;
sockaddr.sin_addr.s_addr = INADDR_ANY; // bind to all IPs on this computer
- sockaddr.sin_port = GetDefaultPort();
+ sockaddr.sin_port = htons(GetDefaultPort());
if (::bind(hListenSocket, (struct sockaddr*)&sockaddr, sizeof(sockaddr)) == SOCKET_ERROR)
{
int nErr = WSAGetLastError();
@@ -1448,29 +1521,21 @@ bool BindListenPort(string& strError)
void StartNode(void* parg)
{
if (pnodeLocalHost == NULL)
- pnodeLocalHost = new CNode(INVALID_SOCKET, CAddress("127.0.0.1", nLocalServices));
+ pnodeLocalHost = new CNode(INVALID_SOCKET, CAddress("127.0.0.1", 0, false, nLocalServices));
#ifdef __WXMSW__
// Get local host ip
char pszHostName[1000] = "";
if (gethostname(pszHostName, sizeof(pszHostName)) != SOCKET_ERROR)
{
- struct hostent* phostent = gethostbyname(pszHostName);
- if (phostent)
- {
- // Take the first IP that isn't loopback 127.x.x.x
- for (int i = 0; phostent->h_addr_list[i] != NULL; i++)
- printf("host ip %d: %s\n", i, CAddress(*(unsigned int*)phostent->h_addr_list[i]).ToStringIP().c_str());
- for (int i = 0; phostent->h_addr_list[i] != NULL; i++)
- {
- CAddress addr(*(unsigned int*)phostent->h_addr_list[i], GetDefaultPort(), nLocalServices);
- if (addr.IsValid() && addr.GetByte(3) != 127)
+ vector<CAddress> vaddr;
+ if (Lookup(pszHostName, vaddr, nLocalServices, -1, true))
+ BOOST_FOREACH (const CAddress &addr, vaddr)
+ if (addr.GetByte(3) != 127)
{
addrLocalHost = addr;
break;
}
- }
- }
}
#else
// Get local host ip
@@ -1491,7 +1556,7 @@ void StartNode(void* parg)
printf("ipv4 %s: %s\n", ifa->ifa_name, pszIP);
// Take the first IP that isn't loopback 127.x.x.x
- CAddress addr(*(unsigned int*)&s4->sin_addr, GetDefaultPort(), nLocalServices);
+ CAddress addr(*(unsigned int*)&s4->sin_addr, 0, nLocalServices);
if (addr.IsValid() && addr.GetByte(3) != 127)
{
addrLocalHost = addr;
@@ -1586,7 +1651,7 @@ public:
~CNetCleanup()
{
// Close sockets
- foreach(CNode* pnode, vNodes)
+ BOOST_FOREACH(CNode* pnode, vNodes)
if (pnode->hSocket != INVALID_SOCKET)
closesocket(pnode->hSocket);
if (hListenSocket != INVALID_SOCKET)
generated by cgit v1.2.3 (git 2.26.2) at 2024-07-01 00:51:01 +0000