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[user/henk/code/inspircd.git] / src / modules / m_vhost.cpp
index 09a0455640a2d441ba083c70580f7c983bbb5ed5..dddf1f29361fe2708514eec1e0eed48faceb111a 100644 (file)
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- *                       E-mail:
- *                <brain@chatspike.net>
- *               <Craig@chatspike.net>
- *     
- * Written by Craig Edwards, Craig McLure, and others.
- * This program is free but copyrighted software; see
- *            the file COPYING for details.
+ *   Copyright (C) 2018 linuxdaemon <linuxdaemon.irc@gmail.com>
+ *   Copyright (C) 2013, 2018, 2020 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2012 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2006, 2010 Craig Edwards <brain@inspircd.org>
  *
- * ---------------------------------------------------
+ * 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/>.
  */
 
-using namespace std;
 
-#include <stdio.h>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
 #include "inspircd.h"
 
-/* $ModDesc: Provides masking of user hostnames via traditional /VHOST command */
+struct CustomVhost
+{
+       const std::string name;
+       const std::string password;
+       const std::string hash;
+       const std::string vhost;
+
+       CustomVhost(const std::string& n, const std::string& p, const std::string& h, const std::string& v)
+               : name(n)
+               , password(p)
+               , hash(h)
+               , vhost(v)
+       {
+       }
 
-static ConfigReader *Conf;
+       bool CheckPass(User* user, const std::string& pass) const
+       {
+               return ServerInstance->PassCompare(user, password, pass, hash);
+       }
+};
 
+typedef std::multimap<std::string, CustomVhost> CustomVhostMap;
+typedef std::pair<CustomVhostMap::iterator, CustomVhostMap::iterator> MatchingConfigs;
 
-class cmd_vhost : public command_t
+/** Handle /VHOST
+ */
+class CommandVhost : public Command
 {
  public:
- cmd_vhost (InspIRCd* Instance) : command_t(Instance,"VHOST", 0, 2)
+       CustomVhostMap vhosts;
+
+       CommandVhost(Module* Creator)
+               : Command(Creator, "VHOST", 2)
        {
-               this->source = "m_vhost.so";
                syntax = "<username> <password>";
        }
 
-       CmdResult Handle (const char** parameters, int pcnt, userrec *user)
+       CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
        {
-               for (int index = 0; index < Conf->Enumerate("vhost"); index++)
+               MatchingConfigs matching = vhosts.equal_range(parameters[0]);
+
+               for (MatchingConfigs::first_type i = matching.first; i != matching.second; ++i)
                {
-                       std::string mask = Conf->ReadValue("vhost","host",index);
-                       std::string username = Conf->ReadValue("vhost","user",index);
-                       std::string pass = Conf->ReadValue("vhost","pass",index);
-                       if ((!strcmp(parameters[0],username.c_str())) && (!strcmp(parameters[1],pass.c_str())))
+                       CustomVhost config = i->second;
+                       if (config.CheckPass(user, parameters[1]))
                        {
-                               if (mask != "")
-                               {
-                                       user->WriteServ("NOTICE "+std::string(user->nick)+" :Setting your VHost: " + mask);
-                                       user->ChangeDisplayedHost(mask.c_str());
-                                       return CMD_FAILURE;
-                               }
+                               user->WriteNotice("Setting your VHost: " + config.vhost);
+                               user->ChangeDisplayedHost(config.vhost);
+                               return CMD_SUCCESS;
                        }
                }
-               user->WriteServ("NOTICE "+std::string(user->nick)+" :Invalid username or password.");
+
+               user->WriteNotice("Invalid username or password.");
                return CMD_FAILURE;
        }
 };
 
 class ModuleVHost : public Module
 {
- private:
+       CommandVhost cmd;
 
-       cmd_vhost* mycommand;
-        
  public:
-       ModuleVHost(InspIRCd* Me) : Module::Module(Me)
-       {
-               
-               Conf = new ConfigReader(ServerInstance);
-               mycommand = new cmd_vhost(ServerInstance);
-               ServerInstance->AddCommand(mycommand);
-       }
-       
-       virtual ~ModuleVHost()
+       ModuleVHost()
+               : cmd(this)
        {
-               DELETE(Conf);
        }
 
-       void Implements(char* List)
+       void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
        {
-               List[I_OnRehash] = 1;
-       }
+               CustomVhostMap newhosts;
+               ConfigTagList tags = ServerInstance->Config->ConfTags("vhost");
+               for (ConfigIter i = tags.first; i != tags.second; ++i)
+               {
+                       ConfigTag* tag = i->second;
+                       std::string mask = tag->getString("host");
+                       if (mask.empty())
+                               throw ModuleException("<vhost:host> is empty! at " + tag->getTagLocation());
 
-       virtual void OnRehash(const std::string &parameter)
-       {
-               DELETE(Conf);
-               Conf = new ConfigReader(ServerInstance);
-       }
-       
-       virtual Version GetVersion()
-       {
-               return Version(1,0,0,1,VF_VENDOR,API_VERSION);
-       }
-       
-};
+                       std::string username = tag->getString("user");
+                       if (username.empty())
+                               throw ModuleException("<vhost:user> is empty! at " + tag->getTagLocation());
 
-// stuff down here is the module-factory stuff. For basic modules you can ignore this.
+                       std::string pass = tag->getString("pass");
+                       if (pass.empty())
+                               throw ModuleException("<vhost:pass> is empty! at " + tag->getTagLocation());
 
-class ModuleVHostFactory : public ModuleFactory
-{
- public:
-       ModuleVHostFactory()
-       {
-       }
-       
-       ~ModuleVHostFactory()
-       {
+                       const std::string hash = tag->getString("hash", "plaintext", 1);
+                       if (stdalgo::string::equalsci(hash, "plaintext"))
+                       {
+                               ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "<vhost> tag for %s at %s contains an plain text password, this is insecure!",
+                                       username.c_str(), tag->getTagLocation().c_str());
+                       }
+
+                       CustomVhost vhost(username, pass, hash, mask);
+                       newhosts.insert(std::make_pair(username, vhost));
+               }
+
+               cmd.vhosts.swap(newhosts);
        }
-       
-       virtual Module * CreateModule(InspIRCd* Me)
+
+       Version GetVersion() CXX11_OVERRIDE
        {
-               return new ModuleVHost(Me);
+               return Version("Allows the server administrator to define accounts which can grant a custom virtual host.", VF_VENDOR);
        }
-       
 };
 
-
-extern "C" void * init_module( void )
-{
-       return new ModuleVHostFactory;
-}
-
+MODULE_INIT(ModuleVHost)