src/modules/m_nicklock.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 using namespace std;
  18
  19 #include <stdio.h>
  20 #include <string>
  21 #include "users.h"
  22 #include "channels.h"
  23 #include "modules.h"
  24 #include "helperfuncs.h"
  25 #include "hashcomp.h"
  26 #include "inspircd.h"
  27
  28 /* $ModDesc: Provides the NICKLOCK command, allows an oper to chage a users nick and lock them to it until they quit */
  29
  30 static Server *Srv;
  31 extern InspIRCd* ServerInstance;
  32
  33 class cmd_nicklock : public command_t
  34 {
  35         char* dummy;
  36  public:
  37         cmd_nicklock () : command_t("NICKLOCK", 'o', 2)
  38         {
  39                 this->source = "m_nicklock.so";
  40                 syntax = "<oldnick> <newnick>";
  41         }
  42
  43         void Handle(const char** parameters, int pcnt, userrec *user)
  44         {
  45                 userrec* source = ServerInstance->FindNick(parameters[0]);
  46                 irc::string server;
  47                 irc::string me;
  48
  49                 if (source)
  50                 {
  51                         if (source->GetExt("nick_locked", dummy))
  52                         {
  53                                 user->WriteServ("946 %s %s :This user's nickname is already locked.",user->nick,source->nick);
  54                                 return;
  55                         }
  56                         if (ServerInstance->IsNick(parameters[1]))
  57                         {
  58                                 // give them a lock flag
  59                                 ServerInstance->WriteOpers(std::string(user->nick)+" used NICKLOCK to change and hold "+parameters[0]+" to "+parameters[1]);
  60                                 if (!source->ForceNickChange(parameters[1]))
  61                                 {
  62                                         userrec::QuitUser(ServerInstance, source, "Nickname collision");
  63                                         return;
  64                                 }
  65                                 source->Extend("nick_locked", "ON");
  66                         }
  67                 }
  68         }
  69 };
  70
  71 class cmd_nickunlock : public command_t
  72 {
  73  public:
  74         cmd_nickunlock () : command_t("NICKUNLOCK", 'o', 1)
  75         {
  76                 this->source = "m_nickunlock.so";
  77                 syntax = "<locked-nick>";
  78         }
  79
  80         void Handle (const char** parameters, int pcnt, userrec *user)
  81         {
  82                 userrec* source = ServerInstance->FindNick(parameters[0]);
  83                 if (source)
  84                 {
  85                         source->Shrink("nick_locked");
  86                         user->WriteServ("945 %s %s :Nickname now unlocked.",user->nick,source->nick);
  87                         ServerInstance->WriteOpers(std::string(user->nick)+" used NICKUNLOCK on "+parameters[0]);
  88                 }
  89         }
  90 };
  91
  92
  93 class ModuleNickLock : public Module
  94 {
  95         cmd_nicklock*   cmd1;
  96         cmd_nickunlock* cmd2;
  97         char* n;
  98  public:
  99         ModuleNickLock(Server* Me)
 100                 : Module::Module(Me)
 101         {
 102                 Srv = Me;
 103                 cmd1 = new cmd_nicklock();
 104                 cmd2 = new cmd_nickunlock();
 105                 Srv->AddCommand(cmd1);
 106                 Srv->AddCommand(cmd2);
 107         }
 108
 109         virtual ~ModuleNickLock()
 110         {
 111         }
 112
 113         virtual Version GetVersion()
 114         {
 115                 return Version(1,0,0,1,VF_VENDOR);
 116         }
 117
 118         void Implements(char* List)
 119         {
 120                 List[I_OnUserPreNick] = List[I_OnUserQuit] = List[I_OnCleanup] = 1;
 121         }
 122
 123         virtual int OnUserPreNick(userrec* user, const std::string &newnick)
 124         {
 125                 if (user->GetExt("nick_locked", n))
 126                 {
 127                         user->WriteServ("447 %s :You cannot change your nickname (your nick is locked)",user->nick);
 128                         return 1;
 129                 }
 130                 return 0;
 131         }
 132
 133         virtual void OnUserQuit(userrec* user, const std::string &reason)
 134         {
 135                 user->Shrink("nick_locked");
 136         }
 137
 138         virtual void OnCleanup(int target_type, void* item)
 139         {
 140                 if(target_type == TYPE_USER)
 141                 {
 142                         userrec* user = (userrec*)item;
 143                         user->Shrink("nick_locked");
 144                 }
 145         }
 146 };
 147
 148 // stuff down here is the module-factory stuff. For basic modules you can ignore this.
 149
 150 class ModuleNickLockFactory : public ModuleFactory
 151 {
 152  public:
 153         ModuleNickLockFactory()
 154         {
 155         }
 156
 157         ~ModuleNickLockFactory()
 158         {
 159         }
 160
 161         virtual Module * CreateModule(Server* Me)
 162         {
 163                 return new ModuleNickLock(Me);
 164         }
 165
 166 };
 167
 168
 169 extern "C" void * init_module( void )
 170 {
 171         return new ModuleNickLockFactory;
 172 }
 173