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/*
* This file is part of nzbget
*
* Copyright (C) 2005 Bo Cordes Petersen <placebodk@sourceforge.net>
* Copyright (C) 2007-2009 Andrei Prygounkov <hugbug@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $Revision: 362 $
* $Date: 2009-10-16 13:26:45 +0200 (Fri, 16 Oct 2009) $
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef WIN32
#include "win32.h"
#endif
#include <stdlib.h>
#include <string.h>
#ifndef WIN32
#include <unistd.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#endif
#include "nzbget.h"
#include "RemoteServer.h"
#include "BinRpc.h"
#include "XmlRpc.h"
#include "Log.h"
#include "Options.h"
extern Options* g_pOptions;
//*****************************************************************
// RemoteServer
RemoteServer::RemoteServer()
{
debug("Creating RemoteServer");
m_pNetAddress = new NetAddress(g_pOptions->GetServerIP(), g_pOptions->GetServerPort());
m_pConnection = NULL;
}
RemoteServer::~RemoteServer()
{
debug("Destroying RemoteServer");
if (m_pConnection)
{
delete m_pConnection;
}
delete m_pNetAddress;
}
void RemoteServer::Run()
{
debug("Entering RemoteServer-loop");
while (!IsStopped())
{
bool bBind = true;
if (!m_pConnection)
{
m_pConnection = new Connection(m_pNetAddress);
m_pConnection->SetTimeout(g_pOptions->GetConnectionTimeout());
m_pConnection->SetSuppressErrors(false);
bBind = m_pConnection->Bind() == 0;
}
// Accept connections and store the "new" socket value
SOCKET iSocket = INVALID_SOCKET;
if (bBind)
{
iSocket = m_pConnection->Accept();
}
if (!bBind || iSocket == INVALID_SOCKET)
{
// Remote server could not bind or accept connection, waiting 1/2 sec and try again
if (IsStopped())
{
break;
}
usleep(500 * 1000);
delete m_pConnection;
m_pConnection = NULL;
continue;
}
RequestProcessor* commandThread = new RequestProcessor();
commandThread->SetAutoDestroy(true);
commandThread->SetSocket(iSocket);
commandThread->Start();
}
if (m_pConnection)
{
m_pConnection->Disconnect();
}
debug("Exiting RemoteServer-loop");
}
void RemoteServer::Stop()
{
Thread::Stop();
if (m_pConnection)
{
m_pConnection->SetSuppressErrors(true);
m_pConnection->Cancel();
#ifdef WIN32
m_pConnection->Disconnect();
#endif
}
}
//*****************************************************************
// RequestProcessor
void RequestProcessor::Run()
{
// Read the first 4 bytes to determine request type
bool bOK = false;
int iSignature = 0;
int iBytesReceived = recv(m_iSocket, (char*)&iSignature, sizeof(iSignature), 0);
if (iBytesReceived < 0)
{
return;
}
// Info - connection received
#ifdef WIN32
char* ip = NULL;
#else
char ip[20];
#endif
struct sockaddr_in PeerName;
int iPeerNameLength = sizeof(PeerName);
if (getpeername(m_iSocket, (struct sockaddr*)&PeerName, (SOCKLEN_T*) &iPeerNameLength) >= 0)
{
#ifdef WIN32
ip = inet_ntoa(PeerName.sin_addr);
#else
inet_ntop(AF_INET, &PeerName.sin_addr, ip, sizeof(ip));
#endif
}
if ((int)ntohl(iSignature) == (int)NZBMESSAGE_SIGNATURE)
{
// binary request received
bOK = true;
BinRpcProcessor processor;
processor.SetSocket(m_iSocket);
processor.SetSignature(iSignature);
processor.SetClientIP(ip);
processor.Execute();
}
else if (!strncmp((char*)&iSignature, "POST", 4) || !strncmp((char*)&iSignature, "GET ", 4))
{
// XML-RPC or JSON-RPC request received
Connection con(m_iSocket, false);
char szBuffer[1024];
if (con.ReadLine(szBuffer, sizeof(szBuffer), NULL))
{
XmlRpcProcessor::EHttpMethod eHttpMethod = XmlRpcProcessor::hmGet;
char* szUrl = szBuffer;
if (!strncmp((char*)&iSignature, "POST", 4))
{
eHttpMethod = XmlRpcProcessor::hmPost;
szUrl++;
}
if (char* p = strchr(szUrl, ' '))
{
*p = '\0';
}
XmlRpcProcessor::ERpcProtocol eProtocol = XmlRpcProcessor::rpUndefined;
if (!strcmp(szUrl, "/xmlrpc") || !strncmp(szUrl, "/xmlrpc/", 8))
{
eProtocol = XmlRpcProcessor::rpXmlRpc;
}
else if (!strcmp(szUrl, "/jsonrpc") || !strncmp(szUrl, "/jsonrpc/", 9))
{
eProtocol = XmlRpcProcessor::rpJsonRpc;
}
else if (!strcmp(szUrl, "/jsonprpc") || !strncmp(szUrl, "/jsonprpc/", 10))
{
eProtocol = XmlRpcProcessor::rpJsonPRpc;
}
if (eProtocol != XmlRpcProcessor::rpUndefined)
{
XmlRpcProcessor processor;
processor.SetConnection(&con);
processor.SetClientIP(ip);
processor.SetProtocol(eProtocol);
processor.SetHttpMethod(eHttpMethod);
processor.SetUrl(szUrl);
processor.Execute();
bOK = true;
}
}
}
if (!bOK)
{
warn("Non-nzbget request received on port %i from %s", g_pOptions->GetServerPort(), ip);
}
closesocket(m_iSocket);
}
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