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 extern InspIRCd* ServerInstance;
  31
  32 class cmd_nicklock : public command_t
  33 {
  34         char* dummy;
  35  public:
  36  cmd_nicklock (InspIRCd* Instance) : command_t(Instance,"NICKLOCK", 'o', 2)
  37         {
  38                 this->source = "m_nicklock.so";
  39                 syntax = "<oldnick> <newnick>";
  40         }
  41
  42         void Handle(const char** parameters, int pcnt, userrec *user)
  43         {
  44                 userrec* source = ServerInstance->FindNick(parameters[0]);
  45                 irc::string server;
  46                 irc::string me;
  47
  48                 if (source)
  49                 {
  50                         if (source->GetExt("nick_locked", dummy))
  51                         {
  52                                 user->WriteServ("946 %s %s :This user's nickname is already locked.",user->nick,source->nick);
  53                                 return;
  54                         }
  55                         if (ServerInstance->IsNick(parameters[1]))
  56                         {
  57                                 // give them a lock flag
  58                                 ServerInstance->WriteOpers(std::string(user->nick)+" used NICKLOCK to change and hold "+parameters[0]+" to "+parameters[1]);
  59                                 if (!source->ForceNickChange(parameters[1]))
  60                                 {
  61                                         userrec::QuitUser(ServerInstance, source, "Nickname collision");
  62                                         return;
  63                                 }
  64                                 source->Extend("nick_locked", "ON");
  65                         }
  66                 }
  67         }
  68 };
  69
  70 class cmd_nickunlock : public command_t
  71 {
  72  public:
  73  cmd_nickunlock (InspIRCd* Instance) : command_t(Instance,"NICKUNLOCK", 'o', 1)
  74         {
  75                 this->source = "m_nickunlock.so";
  76                 syntax = "<locked-nick>";
  77         }
  78
  79         void Handle (const char** parameters, int pcnt, userrec *user)
  80         {
  81                 userrec* source = ServerInstance->FindNick(parameters[0]);
  82                 if (source)
  83                 {
  84                         source->Shrink("nick_locked");
  85                         user->WriteServ("945 %s %s :Nickname now unlocked.",user->nick,source->nick);
  86                         ServerInstance->WriteOpers(std::string(user->nick)+" used NICKUNLOCK on "+parameters[0]);
  87                 }
  88         }
  89 };
  90
  91
  92 class ModuleNickLock : public Module
  93 {
  94         cmd_nicklock*   cmd1;
  95         cmd_nickunlock* cmd2;
  96         char* n;
  97  public:
  98         ModuleNickLock(InspIRCd* Me)
  99                 : Module::Module(Me)
 100         {
 101
 102                 cmd1 = new cmd_nicklock(ServerInstance);
 103                 cmd2 = new cmd_nickunlock(ServerInstance);
 104                 ServerInstance->AddCommand(cmd1);
 105                 ServerInstance->AddCommand(cmd2);
 106         }
 107
 108         virtual ~ModuleNickLock()
 109         {
 110         }
 111
 112         virtual Version GetVersion()
 113         {
 114                 return Version(1,0,0,1,VF_VENDOR);
 115         }
 116
 117         void Implements(char* List)
 118         {
 119                 List[I_OnUserPreNick] = List[I_OnUserQuit] = List[I_OnCleanup] = 1;
 120         }
 121
 122         virtual int OnUserPreNick(userrec* user, const std::string &newnick)
 123         {
 124                 if (user->GetExt("nick_locked", n))
 125                 {
 126                         user->WriteServ("447 %s :You cannot change your nickname (your nick is locked)",user->nick);
 127                         return 1;
 128                 }
 129                 return 0;
 130         }
 131
 132         virtual void OnUserQuit(userrec* user, const std::string &reason)
 133         {
 134                 user->Shrink("nick_locked");
 135         }
 136
 137         virtual void OnCleanup(int target_type, void* item)
 138         {
 139                 if(target_type == TYPE_USER)
 140                 {
 141                         userrec* user = (userrec*)item;
 142                         user->Shrink("nick_locked");
 143                 }
 144         }
 145 };
 146
 147 // stuff down here is the module-factory stuff. For basic modules you can ignore this.
 148
 149 class ModuleNickLockFactory : public ModuleFactory
 150 {
 151  public:
 152         ModuleNickLockFactory()
 153         {
 154         }
 155
 156         ~ModuleNickLockFactory()
 157         {
 158         }
 159
 160         virtual Module * CreateModule(InspIRCd* Me)
 161         {
 162                 return new ModuleNickLock(Me);
 163         }
 164
 165 };
 166
 167
 168 extern "C" void * init_module( void )
 169 {
 170         return new ModuleNickLockFactory;
 171 }
 172