src/modules/m_nicklock.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2010 InspIRCd Development Team
   6  * See: http://wiki.inspircd.org/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  public:
  23         LocalIntExt& locked;
  24         CommandNicklock (Module* Creator, LocalIntExt& ext) : Command(Creator,"NICKLOCK", 2),
  25                 locked(ext)
  26         {
  27                 flags_needed = 'o';
  28                 syntax = "<oldnick> <newnick>";
  29                 TRANSLATE3(TR_NICK, TR_TEXT, TR_END);
  30         }
  31
  32         CmdResult Handle(const std::vector<std::string>& parameters, User *user)
  33         {
  34                 User* target = ServerInstance->FindNick(parameters[0]);
  35
  36                 if (!target)
  37                 {
  38                         user->WriteServ("NOTICE %s :*** No such nickname: '%s'", user->nick.c_str(), parameters[0].c_str());
  39                         return CMD_FAILURE;
  40                 }
  41
  42                 /* Do local sanity checks and bails */
  43                 if (IS_LOCAL(user))
  44                 {
  45                         if (!ServerInstance->IsNick(parameters[1].c_str(), ServerInstance->Config->Limits.NickMax))
  46                         {
  47                                 user->WriteServ("NOTICE %s :*** Invalid nickname '%s'", user->nick.c_str(), parameters[1].c_str());
  48                                 return CMD_FAILURE;
  49                         }
  50
  51                         user->WriteServ("947 %s %s :Nickname now locked.", user->nick.c_str(), parameters[1].c_str());
  52                 }
  53
  54                 /* If we made it this far, extend the user */
  55                 if (IS_LOCAL(target))
  56                 {
  57                         locked.set(target, 1);
  58
  59                         std::string oldnick = target->nick;
  60                         if (target->ForceNickChange(parameters[1].c_str()))
  61                                 ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used NICKLOCK to change and hold "+oldnick+" to "+parameters[1]);
  62                         else
  63                         {
  64                                 std::string newnick = target->nick;
  65                                 ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used NICKLOCK, but "+oldnick+" failed nick change to "+parameters[1]+" and was locked to "+newnick+" instead");
  66                         }
  67                 }
  68
  69                 return CMD_SUCCESS;
  70         }
  71
  72         RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
  73         {
  74                 User* dest = ServerInstance->FindNick(parameters[0]);
  75                 if (dest)
  76                         return ROUTE_OPT_UCAST(dest->server);
  77                 return ROUTE_LOCALONLY;
  78         }
  79 };
  80
  81 /** Handle /NICKUNLOCK
  82  */
  83 class CommandNickunlock : public Command
  84 {
  85  public:
  86         LocalIntExt& locked;
  87         CommandNickunlock (Module* Creator, LocalIntExt& ext) : Command(Creator,"NICKUNLOCK", 1),
  88                 locked(ext)
  89         {
  90                 flags_needed = 'o';
  91                 syntax = "<locked-nick>";
  92                 TRANSLATE2(TR_NICK, TR_END);
  93         }
  94
  95         CmdResult Handle (const std::vector<std::string>& parameters, User *user)
  96         {
  97                 User* target = ServerInstance->FindNick(parameters[0]);
  98
  99                 if (!target)
 100                 {
 101                         user->WriteServ("NOTICE %s :*** No such nickname: '%s'", user->nick.c_str(), parameters[0].c_str());
 102                         return CMD_FAILURE;
 103                 }
 104
 105                 if (IS_LOCAL(target))
 106                 {
 107                         if (locked.set(target, 0))
 108                         {
 109                                 ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used NICKUNLOCK on "+target->nick);
 110                                 user->SendText(":%s 945 %s %s :Nickname now unlocked.",
 111                                         ServerInstance->Config->ServerName.c_str(),user->nick.c_str(),target->nick.c_str());
 112                         }
 113                         else
 114                         {
 115                                 user->SendText(":%s 946 %s %s :This user's nickname is not locked.",
 116                                         ServerInstance->Config->ServerName.c_str(),user->nick.c_str(),target->nick.c_str());
 117                                 return CMD_FAILURE;
 118                         }
 119                 }
 120
 121                 return CMD_SUCCESS;
 122         }
 123
 124         RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
 125         {
 126                 User* dest = ServerInstance->FindNick(parameters[0]);
 127                 if (dest)
 128                         return ROUTE_OPT_UCAST(dest->server);
 129                 return ROUTE_LOCALONLY;
 130         }
 131 };
 132
 133
 134 class ModuleNickLock : public Module
 135 {
 136         LocalIntExt locked;
 137         CommandNicklock cmd1;
 138         CommandNickunlock cmd2;
 139  public:
 140         ModuleNickLock()
 141                 : locked("nick_locked", this), cmd1(this, locked), cmd2(this, locked)
 142         {
 143                 ServerInstance->AddCommand(&cmd1);
 144                 ServerInstance->AddCommand(&cmd2);
 145                 ServerInstance->Extensions.Register(&locked);
 146                 ServerInstance->Modules->Attach(I_OnUserPreNick, this);
 147         }
 148
 149         ~ModuleNickLock()
 150         {
 151         }
 152
 153         Version GetVersion()
 154         {
 155                 return Version("Provides the NICKLOCK command, allows an oper to chage a users nick and lock them to it until they quit", VF_OPTCOMMON | VF_VENDOR);
 156         }
 157
 158         ModResult OnUserPreNick(User* user, const std::string &newnick)
 159         {
 160                 if (!IS_LOCAL(user))
 161                         return MOD_RES_PASSTHRU;
 162
 163                 if (ServerInstance->NICKForced.get(user)) /* Allow forced nick changes */
 164                         return MOD_RES_PASSTHRU;
 165
 166                 if (locked.get(user))
 167                 {
 168                         user->WriteNumeric(447, "%s :You cannot change your nickname (your nick is locked)",user->nick.c_str());
 169                         return MOD_RES_DENY;
 170                 }
 171                 return MOD_RES_PASSTHRU;
 172         }
 173
 174         void Prioritize()
 175         {
 176                 Module *nflood = ServerInstance->Modules->Find("m_nickflood.so");
 177                 ServerInstance->Modules->SetPriority(this, I_OnUserPreJoin, PRIORITY_BEFORE, &nflood);
 178         }
 179 };
 180
 181 MODULE_INIT(ModuleNickLock)