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Add config <options:disablehmac> to support disabling of HMAC, and tidy up to detect...
[user/henk/code/inspircd.git] / src / modules / m_swhois.cpp
index 7b3ff4edc2ad88c8f0f4184f32bafd21151630e7..3dcdb10f2bb92e46536cc36585f1d4689d971dc8 100644 (file)
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  Inspire is copyright (C) 2002-2005 ChatSpike-Dev.
- *                       E-mail:
- *                <brain@chatspike.net>
- *               <Craig@chatspike.net>
- *     
- * Written by Craig Edwards, Craig McLure, and others.
+ *  InspIRCd: (C) 2002-2007 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.
  *
  * ---------------------------------------------------
  */
 
-using namespace std;
-
-#include <stdio.h>
 #include "users.h"
 #include "channels.h"
 #include "modules.h"
+#include "inspircd.h"
 
 /* $ModDesc: Provides the SWHOIS command which allows setting of arbitary WHOIS lines */
 
-Server *Srv;
-
-void handle_swhois(char **parameters, int pcnt, userrec *user)
+/** Handle /SWHOIS
+ */
+class cmd_swhois : public command_t
 {
-       userrec* dest = Srv->FindNick(std::string(parameters[0]));
-       if (dest)
+       
+ public:
+       cmd_swhois (InspIRCd* Instance) : command_t(Instance,"SWHOIS",'o',2)
        {
-               std::string line = "";
-               for (int i = 1; i < pcnt - 1; i++)
-               {
-                       if (i != 1)
-                               line = line + " ";
-                       line = line + std::string(parameters[i]);
-               }
-               char* field = dest->GetExt("swhois");
-               if (field)
+               this->source = "m_swhois.so";
+               syntax = "<nick> <swhois>";
+       }
+
+       CmdResult Handle(const char** parameters, int pcnt, userrec* user)
+       {
+               userrec* dest = ServerInstance->FindNick(parameters[0]);
+               if(dest)
                {
-                       std::string* text = (std::string*)field;
-                       dest->Shrink("swhois");
-                       delete text;
+                       std::string line;
+                       for(int i = 1; i < pcnt; i++)
+                       {
+                               if (i != 1)
+                                       line.append(" ");
+                                       
+                               line.append(parameters[i]);
+                       }
+                       
+                       std::string* text;
+                       dest->GetExt("swhois", text);
+       
+                       if(text)
+                       {
+                               // We already had it set...
+                               
+                               if (!ServerInstance->ULine(user->server))
+                                       // Ulines set SWHOISes silently
+                                       ServerInstance->WriteOpers("*** %s used SWHOIS to set %s's extra whois from '%s' to '%s'", user->nick, dest->nick, text->c_str(), line.c_str());
+                               
+                               dest->Shrink("swhois");
+                               DELETE(text);
+                       }
+                       else if(!ServerInstance->ULine(user->server))
+                       {
+                               // Ulines set SWHOISes silently
+                               ServerInstance->WriteOpers("*** %s used SWHOIS to set %s's extra whois to '%s'", user->nick, dest->nick, line.c_str());
+                       }
+                       
+                       text = new std::string(line);
+                       dest->Extend("swhois", text);
+
+                       return CMD_SUCCESS;
                }
-               std::string* text = new std::string(line);
-               dest->Extend("swhois",(char*)text);
+
+               return CMD_FAILURE;
        }
-}
+};
 
 class ModuleSWhois : public Module
 {
+       cmd_swhois* mycommand;
+       
+       ConfigReader* Conf;
+       
  public:
-       ModuleSWhois(Server* Me)
-               : Module::Module(Me)
+       ModuleSWhois(InspIRCd* Me) : Module::Module(Me)
        {
-               Srv = Me;
-               Srv->AddCommand("SWHOIS",handle_swhois,2,'o',"m_swhois.so");
+               
+               Conf = new ConfigReader(ServerInstance);
+               mycommand = new cmd_swhois(ServerInstance);
+               ServerInstance->AddCommand(mycommand);
+       }
+
+       void OnRehash(userrec* user, const std::string &parameter)
+       {
+               DELETE(Conf);
+               Conf = new ConfigReader(ServerInstance);
+       }
+
+       void Implements(char* List)
+       {
+               List[I_OnDecodeMetaData] = List[I_OnWhoisLine] = List[I_OnSyncUserMetaData] = List[I_OnUserQuit] = List[I_OnCleanup] = List[I_OnRehash] = List[I_OnPostCommand] = 1;
        }
 
        // :kenny.chatspike.net 320 Brain Azhrarn :is getting paid to play games.
-       virtual void OnWhois(userrec* source, userrec* dest)
+       int OnWhoisLine(userrec* user, userrec* dest, int &numeric, std::string &text)
        {
-               char* desc = dest->GetExt("swhois");
-               if (desc)
+               /* We use this and not OnWhois because this triggers for remote, too */
+               if (numeric == 312)
                {
-                       std::string* swhois = (std::string*)desc;
-                       WriteServ("320 %s %s :%s",source->nick,dest->nick,desc->c_str());
+                       /* Insert our numeric before 312 */
+                       std::string* swhois;
+                       dest->GetExt("swhois", swhois);
+                       if (swhois)
+                       {
+                               ServerInstance->SendWhoisLine(user, dest, 320, "%s %s :%s",user->nick,dest->nick,swhois->c_str());
+                       }
                }
+               /* Dont block anything */
+               return 0;
        }
 
        // Whenever the linking module wants to send out data, but doesnt know what the data
@@ -75,17 +123,16 @@ class ModuleSWhois : public Module
        // this method is called. We should use the ProtoSendMetaData function after we've
        // corrected decided how the data should look, to send the metadata on its way if
        // it is ours.
-       virtual void OnSyncUserMetaData(userrec* user, Module* proto, void* opaque, std::string extname)
+       virtual void OnSyncUserMetaData(userrec* user, Module* proto, void* opaque, const std::string &extname)
        {
                // check if the linking module wants to know about OUR metadata
                if (extname == "swhois")
                {
                        // check if this user has an swhois field to send
-                       char* field = dest->GetExt("swhois");
-                       if (field)
+                       std::string* swhois;
+                       user->GetExt("swhois", swhois);
+                       if (swhois)
                        {
-                               // get our extdata out with a cast
-                               std::string* swhois = (std::string*)field;
                                // call this function in the linking module, let it format the data how it
                                // sees fit, and send it on its way. We dont need or want to know how.
                                proto->ProtoSendMetaData(opaque,TYPE_USER,user,extname,*swhois);
@@ -93,6 +140,34 @@ class ModuleSWhois : public Module
                }
        }
 
+       // when a user quits, tidy up their metadata
+       virtual void OnUserQuit(userrec* user, const std::string &message, const std::string &oper_message)
+       {
+               std::string* swhois;
+               user->GetExt("swhois", swhois);
+               if (swhois)
+               {
+                       user->Shrink("swhois");
+                       DELETE(swhois);
+               }
+       }
+
+       // if the module is unloaded, tidy up all our dangling metadata
+       virtual void OnCleanup(int target_type, void* item)
+       {
+               if (target_type == TYPE_USER)
+               {
+                       userrec* user = (userrec*)item;
+                       std::string* swhois;
+                       user->GetExt("swhois", swhois);
+                       if (swhois)
+                       {
+                               user->Shrink("swhois");
+                               DELETE(swhois);
+                       }
+               }
+       }
+
        // Whenever the linking module receives metadata from another server and doesnt know what
        // to do with it (of course, hence the 'meta') it calls this method, and it is up to each
        // module in turn to figure out if this metadata key belongs to them, and what they want
@@ -100,34 +175,84 @@ class ModuleSWhois : public Module
        // In our case we're only sending a single string around, so we just construct a std::string.
        // Some modules will probably get much more complex and format more detailed structs and classes
        // in a textual way for sending over the link.
-       virtual void OnDecodeMetaData(int target_type, void* target, std::string extname, std::string extdata)
+       virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
        {
                // check if its our metadata key, and its associated with a user
                if ((target_type == TYPE_USER) && (extname == "swhois"))
                {
                        userrec* dest = (userrec*)target;
                        // if they dont already have an swhois field, accept the remote server's
-                       if (!dest->GetExt("swhois"))
+                       std::string* text;
+                       if (!dest->GetExt("swhois", text))
                        {
                                std::string* text = new std::string(extdata);
-                               target->Extend("swhois",(char*)text);
+                               dest->Extend("swhois",text);
                        }
                }
        }
        
-       virtual ~ModuleSWhois()
+       virtual void OnPostCommand(const std::string &command, const char **params, int pcnt, userrec *user, CmdResult result, const std::string &original_line)
        {
+               if ((command != "OPER") || (result != CMD_SUCCESS))
+                       return;
+               
+               std::string swhois;
+               
+               for (int i = 0; i < Conf->Enumerate("oper"); i++)
+               {
+                       std::string name = Conf->ReadValue("oper", "name", i);
+                       
+                       if (name == params[0])
+                       {
+                               swhois = Conf->ReadValue("oper", "swhois", i);
+                               break;
+                       }
+               }
+               
+               if (!swhois.length())
+               {
+                       for (int i = 0; i < Conf->Enumerate("type"); i++)
+                       {
+                               std::string type = Conf->ReadValue("type", "name", i);
+                               
+                               if (type == user->oper)
+                               {
+                                       swhois = Conf->ReadValue("type", "swhois", i);
+                                       break;
+                               }
+                       }
+               }
+
+               std::string *old;
+               if (user->GetExt("swhois", old))
+               {
+                       user->Shrink("swhois");
+                       DELETE(old);
+               }
+               
+               if (!swhois.length())
+                       return;
+               
+               std::string *text = new std::string(swhois);
+               user->Extend("swhois", text);
+               std::deque<std::string>* metadata = new std::deque<std::string>;
+               metadata->push_back(user->nick);
+               metadata->push_back("swhois");          // The metadata id
+               metadata->push_back(*text);             // The value to send
+               Event event((char*)metadata,(Module*)this,"send_metadata");
+               event.Send(ServerInstance);
+               delete metadata;
        }
-       
-       virtual Version GetVersion()
+
+       virtual ~ModuleSWhois()
        {
-               return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
+               DELETE(Conf);
        }
        
-       virtual void OnUserConnect(userrec* user)
+       virtual Version GetVersion()
        {
+               return Version(1,1,0,0,VF_VENDOR,API_VERSION);
        }
-
 };
 
 
@@ -142,7 +267,7 @@ class ModuleSWhoisFactory : public ModuleFactory
        {
        }
        
-       virtual Module * CreateModule(Server* Me)
+       virtual Module * CreateModule(InspIRCd* Me)
        {
                return new ModuleSWhois(Me);
        }