+/* +------------------------------------+
+ * | 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)
+