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 "inspircd.h"
  15 #include "users.h"
  16 #include "channels.h"
  17 #include "modules.h"
  18 #include "hashcomp.h"
  19
  20 /* $ModDesc: Provides the NICKLOCK command, allows an oper to chage a users nick and lock them to it until they quit */
  21
  22 /** Handle /NICKLOCK
  23  */
  24 class cmd_nicklock : public command_t
  25 {
  26         char* dummy;
  27  public:
  28         cmd_nicklock (InspIRCd* Instance) : command_t(Instance,"NICKLOCK", 'o', 2)
  29         {
  30                 this->source = "m_nicklock.so";
  31                 syntax = "<oldnick> <newnick>";
  32         }
  33
  34         CmdResult Handle(const char** parameters, int pcnt, userrec *user)
  35         {
  36                 userrec* source = ServerInstance->FindNick(parameters[0]);
  37                 irc::string server;
  38                 irc::string me;
  39
  40                 // check user exists
  41                 if (!source)
  42                 {
  43                         return CMD_FAILURE;
  44                 }
  45
  46                 // check if user is locked
  47                 if (source->GetExt("nick_locked", dummy))
  48                 {
  49                         user->WriteServ("946 %s %s :This user's nickname is already locked.",user->nick,source->nick);
  50                         return CMD_FAILURE;
  51                 }
  52
  53                 // check nick is valid
  54                 if (!ServerInstance->IsNick(parameters[1]))
  55                 {
  56                         return CMD_FAILURE;
  57                 }
  58
  59                 // let others know
  60                 ServerInstance->WriteOpers(std::string(user->nick)+" used NICKLOCK to change and hold "+parameters[0]+" to "+parameters[1]);
  61
  62                 if (!source->ForceNickChange(parameters[1]))
  63                 {
  64                         // ugh, nickchange failed for some reason -- possibly existing nick?
  65                         userrec::QuitUser(ServerInstance, source, "Nickname collision");
  66                 }
  67
  68                 // give them a lock flag
  69                 source->Extend("nick_locked", "ON");
  70
  71                 /* route */
  72                 return CMD_SUCCESS;
  73         }
  74 };
  75
  76 /** Handle /NICKUNLOCK
  77  */
  78 class cmd_nickunlock : public command_t
  79 {
  80  public:
  81         cmd_nickunlock (InspIRCd* Instance) : command_t(Instance,"NICKUNLOCK", 'o', 1)
  82         {
  83                 this->source = "m_nicklock.so";
  84                 syntax = "<locked-nick>";
  85         }
  86
  87         CmdResult Handle (const char** parameters, int pcnt, userrec *user)
  88         {
  89                 userrec* source = ServerInstance->FindNick(parameters[0]);
  90                 if (source)
  91                 {
  92                         source->Shrink("nick_locked");
  93                         user->WriteServ("945 %s %s :Nickname now unlocked.",user->nick,source->nick);
  94                         ServerInstance->WriteOpers(std::string(user->nick)+" used NICKUNLOCK on "+parameters[0]);
  95                         return CMD_SUCCESS;
  96                 }
  97
  98                 return CMD_FAILURE;
  99         }
 100 };
 101
 102
 103 class ModuleNickLock : public Module
 104 {
 105         cmd_nicklock*   cmd1;
 106         cmd_nickunlock* cmd2;
 107         char* n;
 108  public:
 109         ModuleNickLock(InspIRCd* Me)
 110                 : Module(Me)
 111         {
 112
 113                 cmd1 = new cmd_nicklock(ServerInstance);
 114                 cmd2 = new cmd_nickunlock(ServerInstance);
 115                 ServerInstance->AddCommand(cmd1);
 116                 ServerInstance->AddCommand(cmd2);
 117         }
 118
 119         virtual ~ModuleNickLock()
 120         {
 121         }
 122
 123         virtual Version GetVersion()
 124         {
 125                 return Version(1, 1, 0, 1, VF_COMMON | VF_VENDOR, API_VERSION);
 126         }
 127
 128         void Implements(char* List)
 129         {
 130                 List[I_OnUserPreNick] = List[I_OnUserQuit] = List[I_OnCleanup] = 1;
 131         }
 132
 133         virtual int OnUserPreNick(userrec* user, const std::string &newnick)
 134         {
 135                 if (user->GetExt("nick_locked", n))
 136                 {
 137                         user->WriteServ("447 %s :You cannot change your nickname (your nick is locked)",user->nick);
 138                         return 1;
 139                 }
 140                 return 0;
 141         }
 142
 143         virtual void OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)
 144         {
 145                 user->Shrink("nick_locked");
 146         }
 147
 148         virtual void OnCleanup(int target_type, void* item)
 149         {
 150                 if(target_type == TYPE_USER)
 151                 {
 152                         userrec* user = (userrec*)item;
 153                         user->Shrink("nick_locked");
 154                 }
 155         }
 156 };
 157
 158 MODULE_INIT(ModuleNickLock)