get external ip from irc

git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@202 1a98c847-1fd6-4fd8-948a-caf3550aa51b
This commit is contained in:
s_nakamoto 2010-12-15 22:43:51 +00:00
parent fc73ad644f
commit 629e37dde1
5 changed files with 48 additions and 16 deletions

10
irc.cpp
View File

@ -5,6 +5,7 @@
#include "headers.h"
int nGotIRCAddresses = 0;
bool fGotExternalIP = false;
void ThreadIRCSeed2(void* parg);
@ -223,6 +224,8 @@ bool GetIPFromIRC(SOCKET hSocket, string strMyName, unsigned int& ipRet)
}
else
{
// Hybrid IRC used by lfnet always returns IP when you userhost yourself,
// but in case another IRC is ever used this should work.
printf("GetIPFromIRC() got userhost %s\n", strHost.c_str());
if (fUseProxy)
return false;
@ -327,14 +330,15 @@ void ThreadIRCSeed2(void* parg)
}
Sleep(500);
// Get my external IP from IRC server
// Get our external IP from the IRC server and re-nick before joining the channel
CAddress addrFromIRC;
if (GetIPFromIRC(hSocket, strMyName, addrFromIRC.ip))
{
// Just using it as a backup for now
printf("GetIPFromIRC() returned %s\n", addrFromIRC.ToStringIP().c_str());
if (addrFromIRC.IsRoutable() && !fUseProxy && !addrLocalHost.IsRoutable())
if (!fUseProxy && addrFromIRC.IsRoutable())
{
// IRC lets you to re-nick
fGotExternalIP = true;
addrLocalHost.ip = addrFromIRC.ip;
strMyName = EncodeAddress(addrLocalHost);
Send(hSocket, strprintf("NICK %s\r", strMyName.c_str()).c_str());

1
irc.h
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@ -6,3 +6,4 @@ bool RecvLine(SOCKET hSocket, string& strLine);
void ThreadIRCSeed(void* parg);
extern int nGotIRCAddresses;
extern bool fGotExternalIP;

2
main.h
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@ -1733,6 +1733,8 @@ public:
//
// Alerts are for notifying old versions if they become too obsolete and
// need to upgrade. The message is displayed in the status bar.
// Alert messages are broadcast as a vector of signed data. Unserializing may
// not read the entire buffer if the alert is for a newer version, but older
// versions can still relay the original data.

49
net.cpp
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@ -163,7 +163,7 @@ bool GetMyExternalIP2(const CAddress& addrConnect, const char* pszGet, const cha
return error("GetMyExternalIP() : connection closed");
}
// We now get our external IP from the IRC server first and only use this as a backup
bool GetMyExternalIP(unsigned int& ipRet)
{
CAddress addrConnect;
@ -176,6 +176,10 @@ bool GetMyExternalIP(unsigned int& ipRet)
for (int nLookup = 0; nLookup <= 1; nLookup++)
for (int nHost = 1; nHost <= 2; nHost++)
{
// We should be phasing out our use of sites like these. If we need
// replacements, we should ask for volunteers to put this simple
// php file on their webserver that prints the client IP:
// <?php echo $_SERVER["REMOTE_ADDR"]; ?>
if (nHost == 1)
{
addrConnect = CAddress("91.198.22.70:80"); // checkip.dyndns.org
@ -222,6 +226,36 @@ bool GetMyExternalIP(unsigned int& ipRet)
return false;
}
void ThreadGetMyExternalIP(void* parg)
{
// Wait for IRC to get it first
if (!GetBoolArg("-noirc"))
{
for (int i = 0; i < 2 * 60; i++)
{
Sleep(1000);
if (fGotExternalIP || fShutdown)
return;
}
}
// Fallback in case IRC fails to get it
if (GetMyExternalIP(addrLocalHost.ip))
{
printf("GetMyExternalIP() returned %s\n", addrLocalHost.ToStringIP().c_str());
if (addrLocalHost.IsRoutable())
{
// If we already connected to a few before we had our IP, go back and addr them.
// setAddrKnown automatically filters any duplicate sends.
CAddress addr(addrLocalHost);
addr.nTime = GetAdjustedTime();
CRITICAL_BLOCK(cs_vNodes)
foreach(CNode* pnode, vNodes)
pnode->PushAddress(addr);
}
}
}
@ -1310,8 +1344,7 @@ void StartNode(void* parg)
#endif
printf("addrLocalHost = %s\n", addrLocalHost.ToString().c_str());
// Get our external IP address for incoming connections
if (fUseProxy)
if (fUseProxy || mapArgs.count("-connect"))
{
// Proxies can't take incoming connections
addrLocalHost.ip = CAddress("0.0.0.0").ip;
@ -1319,15 +1352,7 @@ void StartNode(void* parg)
}
else
{
if (addrIncoming.IsValid())
addrLocalHost.ip = addrIncoming.ip;
if (GetMyExternalIP(addrLocalHost.ip))
{
addrIncoming = addrLocalHost;
CWalletDB().WriteSetting("addrIncoming", addrIncoming);
printf("addrLocalHost = %s\n", addrLocalHost.ToString().c_str());
}
CreateThread(ThreadGetMyExternalIP, NULL);
}
//

View File

@ -25,7 +25,7 @@ class CDataStream;
class CAutoFile;
static const unsigned int MAX_SIZE = 0x02000000;
static const int VERSION = 31900;
static const int VERSION = 31901;
static const char* pszSubVer = "";