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
  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
  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         CmdResult 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 CMD_FAILURE;
  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 CMD_FAILURE;
  63                                 }
  64                                 source->Extend("nick_locked", "ON");
  65
  66                                 return CMD_SUCCESS;
  67                         }
  68
  69                         return CMD_FAILURE;
  70                 }
  71
  72                 return CMD_FAILURE;
  73         }
  74 };
  75
  76 class cmd_nickunlock : public command_t
  77 {
  78  public:
  79  cmd_nickunlock (InspIRCd* Instance) : command_t(Instance,"NICKUNLOCK", 'o', 1)
  80         {
  81                 this->source = "m_nickunlock.so";
  82                 syntax = "<locked-nick>";
  83         }
  84
  85         CmdResult Handle (const char** parameters, int pcnt, userrec *user)
  86         {
  87                 userrec* source = ServerInstance->FindNick(parameters[0]);
  88                 if (source)
  89                 {
  90                         source->Shrink("nick_locked");
  91                         user->WriteServ("945 %s %s :Nickname now unlocked.",user->nick,source->nick);
  92                         ServerInstance->WriteOpers(std::string(user->nick)+" used NICKUNLOCK on "+parameters[0]);
  93                         return CMD_SUCCESS;
  94                 }
  95
  96                 return CMD_FAILURE;
  97         }
  98 };
  99
 100
 101 class ModuleNickLock : public Module
 102 {
 103         cmd_nicklock*   cmd1;
 104         cmd_nickunlock* cmd2;
 105         char* n;
 106  public:
 107         ModuleNickLock(InspIRCd* Me)
 108                 : Module::Module(Me)
 109         {
 110
 111                 cmd1 = new cmd_nicklock(ServerInstance);
 112                 cmd2 = new cmd_nickunlock(ServerInstance);
 113                 ServerInstance->AddCommand(cmd1);
 114                 ServerInstance->AddCommand(cmd2);
 115         }
 116
 117         virtual ~ModuleNickLock()
 118         {
 119         }
 120
 121         virtual Version GetVersion()
 122         {
 123                 return Version(1,0,0,1,VF_VENDOR);
 124         }
 125
 126         void Implements(char* List)
 127         {
 128                 List[I_OnUserPreNick] = List[I_OnUserQuit] = List[I_OnCleanup] = 1;
 129         }
 130
 131         virtual int OnUserPreNick(userrec* user, const std::string &newnick)
 132         {
 133                 if (user->GetExt("nick_locked", n))
 134                 {
 135                         user->WriteServ("447 %s :You cannot change your nickname (your nick is locked)",user->nick);
 136                         return 1;
 137                 }
 138                 return 0;
 139         }
 140
 141         virtual void OnUserQuit(userrec* user, const std::string &reason)
 142         {
 143                 user->Shrink("nick_locked");
 144         }
 145
 146         virtual void OnCleanup(int target_type, void* item)
 147         {
 148                 if(target_type == TYPE_USER)
 149                 {
 150                         userrec* user = (userrec*)item;
 151                         user->Shrink("nick_locked");
 152                 }
 153         }
 154 };
 155
 156 // stuff down here is the module-factory stuff. For basic modules you can ignore this.
 157
 158 class ModuleNickLockFactory : public ModuleFactory
 159 {
 160  public:
 161         ModuleNickLockFactory()
 162         {
 163         }
 164
 165         ~ModuleNickLockFactory()
 166         {
 167         }
 168
 169         virtual Module * CreateModule(InspIRCd* Me)
 170         {
 171                 return new ModuleNickLock(Me);
 172         }
 173
 174 };
 175
 176
 177 extern "C" void * init_module( void )
 178 {
 179         return new ModuleNickLockFactory;
 180 }
 181