src/modules/m_nicklock.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include <stdio.h>
  15 #include <string>
  16 #include "users.h"
  17 #include "channels.h"
  18 #include "modules.h"
  19
  20 #include "hashcomp.h"
  21 #include "inspircd.h"
  22
  23 /* $ModDesc: Provides the NICKLOCK command, allows an oper to chage a users nick and lock them to it until they quit */
  24
  25
  26 /** Handle /NICKLOCK
  27  */
  28 class cmd_nicklock : public command_t
  29 {
  30         char* dummy;
  31  public:
  32  cmd_nicklock (InspIRCd* Instance) : command_t(Instance,"NICKLOCK", 'o', 2)
  33         {
  34                 this->source = "m_nicklock.so";
  35                 syntax = "<oldnick> <newnick>";
  36         }
  37
  38         CmdResult Handle(const char** parameters, int pcnt, userrec *user)
  39         {
  40                 userrec* source = ServerInstance->FindNick(parameters[0]);
  41                 irc::string server;
  42                 irc::string me;
  43
  44                 if (source)
  45                 {
  46                         if (source->GetExt("nick_locked", dummy))
  47                         {
  48                                 user->WriteServ("946 %s %s :This user's nickname is already locked.",user->nick,source->nick);
  49                                 return CMD_FAILURE;
  50                         }
  51                         if (ServerInstance->IsNick(parameters[1]))
  52                         {
  53                                 // give them a lock flag
  54                                 ServerInstance->WriteOpers(std::string(user->nick)+" used NICKLOCK to change and hold "+parameters[0]+" to "+parameters[1]);
  55                                 if (!source->ForceNickChange(parameters[1]))
  56                                 {
  57                                         userrec::QuitUser(ServerInstance, source, "Nickname collision");
  58                                         return CMD_FAILURE;
  59                                 }
  60                                 source->Extend("nick_locked", "ON");
  61
  62                                 return CMD_SUCCESS;
  63                         }
  64
  65                         return CMD_FAILURE;
  66                 }
  67
  68                 return CMD_FAILURE;
  69         }
  70 };
  71
  72 /** Handle /NICKUNLOCK
  73  */
  74 class cmd_nickunlock : public command_t
  75 {
  76  public:
  77  cmd_nickunlock (InspIRCd* Instance) : command_t(Instance,"NICKUNLOCK", 'o', 1)
  78         {
  79                 this->source = "m_nickunlock.so";
  80                 syntax = "<locked-nick>";
  81         }
  82
  83         CmdResult Handle (const char** parameters, int pcnt, userrec *user)
  84         {
  85                 userrec* source = ServerInstance->FindNick(parameters[0]);
  86                 if (source)
  87                 {
  88                         source->Shrink("nick_locked");
  89                         user->WriteServ("945 %s %s :Nickname now unlocked.",user->nick,source->nick);
  90                         ServerInstance->WriteOpers(std::string(user->nick)+" used NICKUNLOCK on "+parameters[0]);
  91                         return CMD_SUCCESS;
  92                 }
  93
  94                 return CMD_FAILURE;
  95         }
  96 };
  97
  98
  99 class ModuleNickLock : public Module
 100 {
 101         cmd_nicklock*   cmd1;
 102         cmd_nickunlock* cmd2;
 103         char* n;
 104  public:
 105         ModuleNickLock(InspIRCd* Me)
 106                 : Module::Module(Me)
 107         {
 108
 109                 cmd1 = new cmd_nicklock(ServerInstance);
 110                 cmd2 = new cmd_nickunlock(ServerInstance);
 111                 ServerInstance->AddCommand(cmd1);
 112                 ServerInstance->AddCommand(cmd2);
 113         }
 114
 115         virtual ~ModuleNickLock()
 116         {
 117         }
 118
 119         virtual Version GetVersion()
 120         {
 121                 return Version(1,1,0,1,VF_VENDOR,API_VERSION);
 122         }
 123
 124         void Implements(char* List)
 125         {
 126                 List[I_OnUserPreNick] = List[I_OnUserQuit] = List[I_OnCleanup] = 1;
 127         }
 128
 129         virtual int OnUserPreNick(userrec* user, const std::string &newnick)
 130         {
 131                 if (user->GetExt("nick_locked", n))
 132                 {
 133                         user->WriteServ("447 %s :You cannot change your nickname (your nick is locked)",user->nick);
 134                         return 1;
 135                 }
 136                 return 0;
 137         }
 138
 139         virtual void OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)
 140         {
 141                 user->Shrink("nick_locked");
 142         }
 143
 144         virtual void OnCleanup(int target_type, void* item)
 145         {
 146                 if(target_type == TYPE_USER)
 147                 {
 148                         userrec* user = (userrec*)item;
 149                         user->Shrink("nick_locked");
 150                 }
 151         }
 152 };
 153
 154 // stuff down here is the module-factory stuff. For basic modules you can ignore this.
 155
 156 class ModuleNickLockFactory : public ModuleFactory
 157 {
 158  public:
 159         ModuleNickLockFactory()
 160         {
 161         }
 162
 163         ~ModuleNickLockFactory()
 164         {
 165         }
 166
 167         virtual Module * CreateModule(InspIRCd* Me)
 168         {
 169                 return new ModuleNickLock(Me);
 170         }
 171
 172 };
 173
 174
 175 extern "C" void * init_module( void )
 176 {
 177         return new ModuleNickLockFactory;
 178 }
 179