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
  27 /* $ModDesc: Provides the NICKLOCK command, allows an oper to chage a users nick and lock them to it until they quit */
  28
  29 static Server *Srv;
  30
  31 class cmd_nicklock : public command_t
  32 {
  33         char* dummy;
  34  public:
  35         cmd_nicklock () : command_t("NICKLOCK", 'o', 2)
  36         {
  37                 this->source = "m_nicklock.so";
  38                 syntax = "<oldnick> <newnick>";
  39         }
  40
  41         void Handle(const char** parameters, int pcnt, userrec *user)
  42         {
  43                 userrec* source = Srv->FindNick(std::string(parameters[0]));
  44                 irc::string server;
  45                 irc::string me;
  46
  47                 if (source)
  48                 {
  49                         if (source->GetExt("nick_locked", dummy))
  50                         {
  51                                 WriteServ(user->fd,"946 %s %s :This user's nickname is already locked.",user->nick,source->nick);
  52                                 return;
  53                         }
  54                         if (Srv->IsNick(std::string(parameters[1])))
  55                         {
  56                                 // give them a lock flag
  57                                 Srv->SendOpers(std::string(user->nick)+" used NICKLOCK to change and hold "+std::string(parameters[0])+" to "+parameters[1]);
  58                                 Srv->ChangeUserNick(source,std::string(parameters[1]));
  59                                 // only attempt to set their lockflag after we know the change succeeded
  60                                 source = Srv->FindNick(std::string(parameters[1]));
  61                                 if (source)
  62                                         source->Extend("nick_locked", "ON");
  63                         }
  64                 }
  65         }
  66 };
  67
  68 class cmd_nickunlock : public command_t
  69 {
  70  public:
  71         cmd_nickunlock () : command_t("NICKUNLOCK", 'o', 1)
  72         {
  73                 this->source = "m_nickunlock.so";
  74                 syntax = "<locked-nick>";
  75         }
  76
  77         void Handle (const char** parameters, int pcnt, userrec *user)
  78         {
  79                 userrec* source = Srv->FindNick(std::string(parameters[0]));
  80                 if (source)
  81                 {
  82                         source->Shrink("nick_locked");
  83                         WriteServ(user->fd,"945 %s %s :Nickname now unlocked.",user->nick,source->nick);
  84                         Srv->SendOpers(std::string(user->nick)+" used NICKUNLOCK on "+std::string(parameters[0]));
  85                 }
  86         }
  87 };
  88
  89
  90 class ModuleNickLock : public Module
  91 {
  92         cmd_nicklock*   cmd1;
  93         cmd_nickunlock* cmd2;
  94         char* n;
  95  public:
  96         ModuleNickLock(Server* Me)
  97                 : Module::Module(Me)
  98         {
  99                 Srv = Me;
 100                 cmd1 = new cmd_nicklock();
 101                 cmd2 = new cmd_nickunlock();
 102                 Srv->AddCommand(cmd1);
 103                 Srv->AddCommand(cmd2);
 104         }
 105
 106         virtual ~ModuleNickLock()
 107         {
 108         }
 109
 110         virtual Version GetVersion()
 111         {
 112                 return Version(1,0,0,1,VF_VENDOR);
 113         }
 114
 115         void Implements(char* List)
 116         {
 117                 List[I_OnUserPreNick] = List[I_OnUserQuit] = List[I_OnCleanup] = 1;
 118         }
 119
 120         virtual int OnUserPreNick(userrec* user, const std::string &newnick)
 121         {
 122                 if (user->GetExt("nick_locked", n))
 123                 {
 124                         WriteServ(user->fd,"447 %s :You cannot change your nickname (your nick is locked)",user->nick);
 125                         return 1;
 126                 }
 127                 return 0;
 128         }
 129
 130         virtual void OnUserQuit(userrec* user, const std::string &reason)
 131         {
 132                 user->Shrink("nick_locked");
 133         }
 134
 135         virtual void OnCleanup(int target_type, void* item)
 136         {
 137                 if(target_type == TYPE_USER)
 138                 {
 139                         userrec* user = (userrec*)item;
 140                         user->Shrink("nick_locked");
 141                 }
 142         }
 143 };
 144
 145 // stuff down here is the module-factory stuff. For basic modules you can ignore this.
 146
 147 class ModuleNickLockFactory : public ModuleFactory
 148 {
 149  public:
 150         ModuleNickLockFactory()
 151         {
 152         }
 153
 154         ~ModuleNickLockFactory()
 155         {
 156         }
 157
 158         virtual Module * CreateModule(Server* Me)
 159         {
 160                 return new ModuleNickLock(Me);
 161         }
 162
 163 };
 164
 165
 166 extern "C" void * init_module( void )
 167 {
 168         return new ModuleNickLockFactory;
 169 }
 170