src/modules/m_nicklock.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 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
  16 /* $ModDesc: Provides the NICKLOCK command, allows an oper to chage a users nick and lock them to it until they quit */
  17
  18 /** Handle /NICKLOCK
  19  */
  20 class CommandNicklock : public Command
  21 {
  22         char* dummy;
  23  public:
  24         CommandNicklock (InspIRCd* Instance) : Command(Instance,"NICKLOCK", "o", 2)
  25         {
  26                 this->source = "m_nicklock.so";
  27                 syntax = "<oldnick> <newnick>";
  28                 TRANSLATE3(TR_NICK, TR_TEXT, TR_END);
  29         }
  30
  31         CmdResult Handle(const std::vector<std::string>& parameters, User *user)
  32         {
  33                 User* target = ServerInstance->FindNick(parameters[0]);
  34                 irc::string server;
  35                 irc::string me;
  36
  37                 // check user exists
  38                 if (!target)
  39                 {
  40                         return CMD_FAILURE;
  41                 }
  42
  43                 // check if user is locked
  44                 if (target->GetExt("nick_locked", dummy))
  45                 {
  46                         user->WriteNumeric(946, "%s %s :This user's nickname is already locked.",user->nick.c_str(),target->nick.c_str());
  47                         return CMD_FAILURE;
  48                 }
  49
  50                 // check nick is valid
  51                 if (IS_LOCAL(user) && !ServerInstance->IsNick(parameters[1].c_str(), ServerInstance->Config->Limits.NickMax))
  52                 {
  53                         return CMD_FAILURE;
  54                 }
  55
  56                 // let others know
  57                 ServerInstance->SNO->WriteToSnoMask('A', std::string(user->nick)+" used NICKLOCK to change and hold "+parameters[0]+" to "+parameters[1]);
  58
  59                 if (!target->ForceNickChange(parameters[1].c_str()))
  60                 {
  61                         // ugh, nickchange failed for some reason -- possibly existing nick?
  62                         if (!target->ForceNickChange(target->uuid.c_str()))
  63                         {
  64                                 // Well shit, we cant even change them to their UID (this should not happen!)
  65                                 ServerInstance->Users->QuitUser(target, "Nickname collision");
  66                         }
  67                 }
  68
  69                 // give them a lock flag
  70                 target->Extend("nick_locked", "ON");
  71
  72                 /* route */
  73                 return CMD_SUCCESS;
  74         }
  75 };
  76
  77 /** Handle /NICKUNLOCK
  78  */
  79 class CommandNickunlock : public Command
  80 {
  81  public:
  82         CommandNickunlock (InspIRCd* Instance) : Command(Instance,"NICKUNLOCK", "o", 1)
  83         {
  84                 this->source = "m_nicklock.so";
  85                 syntax = "<locked-nick>";
  86         }
  87
  88         CmdResult Handle (const std::vector<std::string>& parameters, User *user)
  89         {
  90                 User* target = ServerInstance->FindNick(parameters[0]);
  91                 if (target)
  92                 {
  93                         target->Shrink("nick_locked");
  94                         user->WriteNumeric(945, "%s %s :Nickname now unlocked.",user->nick.c_str(),target->nick.c_str());
  95                         ServerInstance->SNO->WriteToSnoMask('A', 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         CommandNicklock*        cmd1;
 107         CommandNickunlock*      cmd2;
 108         char* n;
 109  public:
 110         ModuleNickLock(InspIRCd* Me)
 111                 : Module(Me)
 112         {
 113
 114                 cmd1 = new CommandNicklock(ServerInstance);
 115                 cmd2 = new CommandNickunlock(ServerInstance);
 116                 ServerInstance->AddCommand(cmd1);
 117                 ServerInstance->AddCommand(cmd2);
 118                 Implementation eventlist[] = { I_OnUserPreNick, I_OnUserQuit, I_OnCleanup };
 119                 ServerInstance->Modules->Attach(eventlist, this, 3);
 120         }
 121
 122         virtual ~ModuleNickLock()
 123         {
 124         }
 125
 126         virtual Version GetVersion()
 127         {
 128                 return Version(1, 2, 0, 1, VF_COMMON | VF_VENDOR, API_VERSION);
 129         }
 130
 131
 132         virtual int OnUserPreNick(User* user, const std::string &newnick)
 133         {
 134                 if (isdigit(newnick[0])) /* allow a switch to a UID */
 135                         return 0;
 136
 137                 if (user->GetExt("nick_locked", n))
 138                 {
 139                         user->WriteNumeric(447, "%s :You cannot change your nickname (your nick is locked)",user->nick.c_str());
 140                         return 1;
 141                 }
 142                 return 0;
 143         }
 144
 145         virtual void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
 146         {
 147                 user->Shrink("nick_locked");
 148         }
 149
 150         virtual void OnCleanup(int target_type, void* item)
 151         {
 152                 if(target_type == TYPE_USER)
 153                 {
 154                         User* user = (User*)item;
 155                         user->Shrink("nick_locked");
 156                 }
 157         }
 158 };
 159
 160 MODULE_INIT(ModuleNickLock)