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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2008 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
/* $ModDesc: Provides XMLSocket support for clients */
class ModuleXMLSocket : public Module
{
ConfigReader* Conf;
std::vector<std::string> listenports;
public:
ModuleXMLSocket(InspIRCd* Me)
: Module(Me)
{
OnRehash(NULL,"");
Implementation eventlist[] = { I_OnUnloadModule, I_OnRawSocketRead, I_OnRawSocketWrite, I_OnRehash, I_OnHookUserIO, I_OnCleanup };
ServerInstance->Modules->Attach(eventlist, this, 6);
}
bool isin(const std::string &host, int port, const std::vector<std::string> &portlist)
{
if (std::find(portlist.begin(), portlist.end(), "*:" + ConvToStr(port)) != portlist.end())
return true;
if (std::find(portlist.begin(), portlist.end(), ":" + ConvToStr(port)) != portlist.end())
return true;
return std::find(portlist.begin(), portlist.end(), host + ":" + ConvToStr(port)) != portlist.end();
}
virtual void OnRehash(User* user, const std::string ¶m)
{
Conf = new ConfigReader(ServerInstance);
listenports.clear();
for (int i = 0; i < Conf->Enumerate("bind"); i++)
{
// For each <bind> tag
std::string x = Conf->ReadValue("bind", "type", i);
if (((x.empty()) || (x == "clients")) && (Conf->ReadFlag("bind", "xmlsocket", i)))
{
// Get the port we're meant to be listening on with SSL
std::string port = Conf->ReadValue("bind", "port", i);
std::string addr = Conf->ReadValue("bind", "address", i);
irc::portparser portrange(port, false);
long portno = -1;
while ((portno = portrange.GetToken()))
{
try
{
listenports.push_back(addr + ":" + ConvToStr(portno));
for (size_t j = 0; j < ServerInstance->Config->ports.size(); j++)
if ((ServerInstance->Config->ports[j]->GetPort() == portno) && (ServerInstance->Config->ports[j]->GetIP() == addr))
ServerInstance->Config->ports[j]->SetDescription("xml");
}
catch (ModuleException &e)
{
ServerInstance->Logs->Log("m_xmlsocket",DEFAULT, "m_xmlsocket.so: FAILED to enable XMLSocket on port %ld: %s. Maybe you have another similar module loaded?", portno, e.GetReason());
}
}
}
}
delete Conf;
}
virtual ~ModuleXMLSocket()
{
}
virtual void OnUnloadModule(Module* mod, const std::string &name)
{
if (mod == this)
{
for(unsigned int i = 0; i < listenports.size(); i++)
{
for (size_t j = 0; j < ServerInstance->Config->ports.size(); j++)
if (listenports[i] == (ServerInstance->Config->ports[j]->GetIP()+":"+ConvToStr(ServerInstance->Config->ports[j]->GetPort())))
ServerInstance->Config->ports[j]->SetDescription("plaintext");
}
}
}
virtual void OnCleanup(int target_type, void* item)
{
if(target_type == TYPE_USER)
{
User* user = (User*)item;
if(user->io == this)
user->io = NULL;
}
}
virtual Version GetVersion()
{
return Version(1, 2, 0, 0, VF_VENDOR, API_VERSION);
}
virtual void OnHookUserIO(User* user, const std::string &targetip)
{
if (!user->io && isin(targetip,user->GetPort(),listenports))
{
/* Hook the user with our module */
user->io = this;
}
}
virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult)
{
User* user = dynamic_cast<User*>(ServerInstance->FindDescriptor(fd));
if (user == NULL)
return -1;
int result = user->ReadData(buffer, count);
if ((result == -1) && (errno == EAGAIN))
return -1;
else if (result < 1)
return 0;
/* XXX: The core is more than happy to split lines purely on an \n
* rather than a \r\n. This is good for us as it means that the size
* of data we are receiving is exactly the same as the size of data
* we asked for, and we dont need to re-implement our own socket
* buffering (See below)
*/
for (int n = 0; n < result; n++)
if (buffer[n] == 0)
buffer[n] = '\n';
readresult = result;
return result;
}
virtual int OnRawSocketWrite(int fd, const char* buffer, int count)
{
User* user = dynamic_cast<User*>(ServerInstance->FindDescriptor(fd));
if (user == NULL)
return -1;
/* We want to alter the buffer, so we have to make a copy */
char * tmpbuffer = new char[count + 1];
memcpy(tmpbuffer, buffer, count);
/* XXX: This will actually generate lines "looking\0\0like\0\0this"
* rather than lines "looking\0like\0this". This shouldnt be a problem
* to the client, but it saves us a TON of processing and the need
* to re-implement socket buffering, as the data we are sending is
* exactly the same length as the data we are receiving.
*/
for (int n = 0; n < count; n++)
if ((tmpbuffer[n] == '\r') || (tmpbuffer[n] == '\n'))
tmpbuffer[n] = 0;
user->AddWriteBuf(std::string(tmpbuffer,count));
delete [] tmpbuffer;
return 1;
}
};
MODULE_INIT(ModuleXMLSocket)
|
