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                         return CMD_FAILURE;
  67                 }
  68
  69                 // give them a lock flag
  70                 source->Extend("nick_locked", "ON");
  71
  72                 /* route */
  73                 return CMD_SUCCESS;
  74         }
  75 };
  76
  77 /** Handle /NICKUNLOCK
  78  */
  79 class cmd_nickunlock : public command_t
  80 {
  81  public:
  82  cmd_nickunlock (InspIRCd* Instance) : command_t(Instance,"NICKUNLOCK", 'o', 1)
  83         {
  84                 this->source = "m_nickunlock.so";
  85                 syntax = "<locked-nick>";
  86         }
  87
  88         CmdResult Handle (const char** parameters, int pcnt, userrec *user)
  89         {
  90                 userrec* source = ServerInstance->FindNick(parameters[0]);
  91                 if (source)
  92                 {
  93                         source->Shrink("nick_locked");
  94                         user->WriteServ("945 %s %s :Nickname now unlocked.",user->nick,source->nick);
  95                         ServerInstance->WriteOpers(std::string(user->nick)+" used NICKUNLOCK on "+parameters[0]);
  96                         return CMD_SUCCESS;
  97                 }
  98
  99                 return CMD_FAILURE;
 100         }
 101 };
 102
 103
 104 class ModuleNickLock : public Module
 105 {
 106         cmd_nicklock*   cmd1;
 107         cmd_nickunlock* cmd2;
 108         char* n;
 109  public:
 110         ModuleNickLock(InspIRCd* Me)
 111                 : Module(Me)
 112         {
 113
 114                 cmd1 = new cmd_nicklock(ServerInstance);
 115                 cmd2 = new cmd_nickunlock(ServerInstance);
 116                 ServerInstance->AddCommand(cmd1);
 117                 ServerInstance->AddCommand(cmd2);
 118         }
 119
 120         virtual ~ModuleNickLock()
 121         {
 122         }
 123
 124         virtual Version GetVersion()
 125         {
 126                 return Version(1,1,0,1,VF_VENDOR,API_VERSION);
 127         }
 128
 129         void Implements(char* List)
 130         {
 131                 List[I_OnUserPreNick] = List[I_OnUserQuit] = List[I_OnCleanup] = 1;
 132         }
 133
 134         virtual int OnUserPreNick(userrec* user, const std::string &newnick)
 135         {
 136                 if (user->GetExt("nick_locked", n))
 137                 {
 138                         user->WriteServ("447 %s :You cannot change your nickname (your nick is locked)",user->nick);
 139                         return 1;
 140                 }
 141                 return 0;
 142         }
 143
 144         virtual void OnUserQuit(userrec* user, const std::string &reason, const std::string &oper_message)
 145         {
 146                 user->Shrink("nick_locked");
 147         }
 148
 149         virtual void OnCleanup(int target_type, void* item)
 150         {
 151                 if(target_type == TYPE_USER)
 152                 {
 153                         userrec* user = (userrec*)item;
 154                         user->Shrink("nick_locked");
 155                 }
 156         }
 157 };
 158
 159 MODULE_INIT(ModuleNickLock)