Show a better warning when certtool/openssl are missing.

[user/henk/code/inspircd.git] / src / modules / m_chghost.cpp

diff --git a/src/modules/m_chghost.cpp b/src/modules/m_chghost.cpp
index 7938f8b23b5ff9b4c1806e8262b2e373052a711f..6aaed7831dd63e849fb0be1716fba2a97caa7879 100644 (file)
--- a/src/modules/m_chghost.cpp
+++ b/src/modules/m_chghost.cpp
@@ -1,88 +1,128 @@
 /*
- *  CHGHOST module for InspIRCD
- *  Author: brain
- *  Version: 1.0.0.0
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  Syntax: /CHGHOST [nick] [new name]
- *  Changes a users DHOST (oper only)
- *  
+ *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2004-2006 Craig Edwards <craigedwards@brainbox.cc>
+ *
+ * This file is part of InspIRCd.  InspIRCd 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, version 2.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
  */
 
-#include <stdio.h>
-#include <string>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
+
+#include "inspircd.h"
 
 /* $ModDesc: Provides support for the CHGHOST command */
 
-Server *Srv;
-        
-void handle_chghost(char **parameters, int pcnt, userrec *user)
+/** Handle /CHGHOST
+ */
+class CommandChghost : public Command
 {
-       for (int x = 0; x < strlen(parameters[1]); x++)
+ private:
+       char* hostmap;
+ public:
+       CommandChghost(Module* Creator, char* hmap) : Command(Creator,"CHGHOST", 2), hostmap(hmap)
        {
-               if (((tolower(parameters[1][x]) < 'a') || (tolower(parameters[1][x]) > 'z')) && (parameters[1][x] != '.'))
+               allow_empty_last_param = false;
+               flags_needed = 'o';
+               syntax = "<nick> <newhost>";
+               TRANSLATE3(TR_NICK, TR_TEXT, TR_END);
+       }
+
+       CmdResult Handle(const std::vector<std::string> &parameters, User *user)
+       {
+               const char* x = parameters[1].c_str();
+
+               if (parameters[1].length() > 63)
+               {
+                       user->WriteServ("NOTICE %s :*** CHGHOST: Host too long", user->nick.c_str());
+                       return CMD_FAILURE;
+               }
+
+               for (; *x; x++)
+               {
+                       if (!hostmap[(unsigned char)*x])
+                       {
+                               user->WriteServ("NOTICE "+user->nick+" :*** CHGHOST: Invalid characters in hostname");
+                               return CMD_FAILURE;
+                       }
+               }
+
+               User* dest = ServerInstance->FindNick(parameters[0]);
+
+               // Allow services to change the host of unregistered users
+               if ((!dest) || ((dest->registered != REG_ALL) && (!ServerInstance->ULine(user->server))))
+               {
+                       user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel", user->nick.c_str(), parameters[0].c_str());
+                       return CMD_FAILURE;
+               }
+
+               if (IS_LOCAL(dest))
                {
-                       if (((parameters[1][x] < '0') || (parameters[1][x]> '9')) && (parameters[1][x] != '-'))
+                       if ((dest->ChangeDisplayedHost(parameters[1].c_str())) && (!ServerInstance->ULine(user->server)))
                        {
-                               Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+" :*** Invalid characters in hostname");
-                               return;
+                               // fix by brain - ulines set hosts silently
+                               ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used CHGHOST to make the displayed host of "+dest->nick+" become "+dest->dhost);
                        }
                }
-       }       userrec* dest = Srv->FindNick(std::string(parameters[0]));
-       if (dest)
+
+               return CMD_SUCCESS;
+       }
+
+       RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
        {
-               strncpy(dest->dhost,parameters[1],127);
-               Srv->SendOpers(std::string(user->nick)+" used CHGHOST to make the displayed host of "+std::string(dest->nick)+" become "+std::string(parameters[1]));
+               User* dest = ServerInstance->FindNick(parameters[0]);
+               if (dest)
+                       return ROUTE_OPT_UCAST(dest->server);
+               return ROUTE_LOCALONLY;
        }
-}
+};
 
 
 class ModuleChgHost : public Module
 {
+       CommandChghost cmd;
+       char hostmap[256];
  public:
-       ModuleChgHost()
-       {
-               Srv = new Server;
-               Srv->AddCommand("CHGHOST",handle_chghost,'o',2);
-       }
-       
-       virtual ~ModuleChgHost()
+       ModuleChgHost() : cmd(this, hostmap)
        {
-               delete Srv;
        }
-       
-       virtual Version GetVersion()
+
+       void init()
        {
-               return Version(1,0,0,0);
+               OnRehash(NULL);
+               ServerInstance->Modules->AddService(cmd);
+               Implementation eventlist[] = { I_OnRehash };
+               ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
        }
-       
-};
 
-// stuff down here is the module-factory stuff. For basic modules you can ignore this.
-
-class ModuleChgHostFactory : public ModuleFactory
-{
- public:
-       ModuleChgHostFactory()
+       void OnRehash(User* user)
        {
+               std::string hmap = ServerInstance->Config->ConfValue("hostname")->getString("charmap", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-_/0123456789");
+
+               memset(hostmap, 0, sizeof(hostmap));
+               for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
+                       hostmap[(unsigned char)*n] = 1;
        }
-       
-       ~ModuleChgHostFactory()
+
+       ~ModuleChgHost()
        {
        }
-       
-       virtual Module * CreateModule()
+
+       Version GetVersion()
        {
-               return new ModuleChgHost;
+               return Version("Provides support for the CHGHOST command", VF_OPTCOMMON | VF_VENDOR);
        }
-       
-};
-
 
-extern "C" void * init_module( void )
-{
-       return new ModuleChgHostFactory;
-}
+};
 
+MODULE_INIT(ModuleChgHost)