diff options
Diffstat (limited to 'src/commands/cmd_nick.cpp')
| -rw-r--r-- | src/commands/cmd_nick.cpp | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/src/commands/cmd_nick.cpp b/src/commands/cmd_nick.cpp deleted file mode 100644 index 99b8348ab..000000000 --- a/src/commands/cmd_nick.cpp +++ /dev/null @@ -1,214 +0,0 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2009 InspIRCd Development Team - * See: http://wiki.inspircd.org/Credits - * - * This program is free but copyrighted software; see - * the file COPYING for details. - * - * --------------------------------------------------- - */ - -#include "inspircd.h" -#include "xline.h" - -/** Handle /NICK. These command handlers can be reloaded by the core, - * and handle basic RFC1459 commands. Commands within modules work - * the same way, however, they can be fully unloaded, where these - * may not. - */ -class CommandNick : public Command -{ - public: - /** Constructor for nick. - */ - CommandNick ( Module* parent) : Command(parent,"NICK", 1, 1) { works_before_reg = true; syntax = "<newnick>"; Penalty = 3; } - /** Handle command. - * @param parameters The parameters to the comamnd - * @param pcnt The number of parameters passed to teh command - * @param user The user issuing the command - * @return A value from CmdResult to indicate command success or failure. - */ - CmdResult Handle(const std::vector<std::string>& parameters, User *user); -}; - -/** Handle nick changes from users. - * NOTE: If you are used to ircds based on ircd2.8, and are looking - * for the client introduction code in here, youre in the wrong place. - * You need to look in the spanningtree module for this! - */ -CmdResult CommandNick::Handle (const std::vector<std::string>& parameters, User *user) -{ - std::string oldnick; - - if (parameters[0].empty()) - { - /* We cant put blanks in the parameters, so for this (extremely rare) issue we just put '*' here. */ - user->WriteNumeric(432, "%s * :Erroneous Nickname", user->nick.empty() ? user->nick.c_str() : "*"); - return CMD_FAILURE; - } - - if (((!ServerInstance->IsNick(parameters[0].c_str(), ServerInstance->Config->Limits.NickMax))) && (IS_LOCAL(user))) - { - if (!User::NICKForced.get(user)) - { - if (parameters[0] == "0") - { - // Special case, Fake a /nick UIDHERE. Useful for evading "ERR: NICK IN USE" on connect etc. - std::vector<std::string> p2; - p2.push_back(user->uuid); - User::NICKForced.set(user, 1); - this->Handle(p2, user); - User::NICKForced.set(user, 0); - return CMD_SUCCESS; - } - - user->WriteNumeric(432, "%s %s :Erroneous Nickname", user->nick.c_str(),parameters[0].c_str()); - return CMD_FAILURE; - } - } - - if (assign(user->nick) == parameters[0]) - { - /* If its exactly the same, even case, dont do anything. */ - if (parameters[0] == user->nick) - { - return CMD_SUCCESS; - } - - /* Its a change of case. People insisted that they should be - * able to do silly things like this even though the RFC says - * the nick AAA is the same as the nick aaa. - */ - oldnick.assign(user->nick, 0, IS_LOCAL(user) ? ServerInstance->Config->Limits.NickMax : MAXBUF); - ModResult MOD_RESULT; - FIRST_MOD_RESULT(ServerInstance, OnUserPreNick, MOD_RESULT, (user,parameters[0])); - if (MOD_RESULT == MOD_RES_DENY) - return CMD_FAILURE; - if (user->registered == REG_ALL) - user->WriteCommon("NICK %s",parameters[0].c_str()); - user->nick.assign(parameters[0], 0, IS_LOCAL(user) ? ServerInstance->Config->Limits.NickMax : MAXBUF); - user->InvalidateCache(); - FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(user,oldnick)); - return CMD_SUCCESS; - } - else - { - /* - * Don't check Q:Lines if it's a server-enforced change, just on the off-chance some fucking *moron* - * tries to Q:Line SIDs, also, this means we just get our way period, as it really should be. - * Thanks Kein for finding this. -- w00t - * - * Also don't check Q:Lines for remote nickchanges, they should have our Q:Lines anyway to enforce themselves. - * -- w00t - */ - if (!IS_LOCAL(user)) - { - XLine* mq = ServerInstance->XLines->MatchesLine("Q",parameters[0]); - if (mq) - { - if (user->registered == REG_ALL) - { - ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s!%s@%s: %s", - parameters[0].c_str(), user->nick.c_str(), user->ident.c_str(), user->host.c_str(), mq->reason.c_str()); - } - user->WriteNumeric(432, "%s %s :Invalid nickname: %s",user->nick.c_str(), parameters[0].c_str(), mq->reason.c_str()); - return CMD_FAILURE; - } - - if (ServerInstance->Config->RestrictBannedUsers) - { - for (UCListIter i = user->chans.begin(); i != user->chans.end(); i++) - { - Channel *chan = *i; - if (chan->GetPrefixValue(user) < VOICE_VALUE && chan->IsBanned(user)) - { - user->WriteNumeric(404, "%s %s :Cannot send to channel (you're banned)", user->nick.c_str(), chan->name.c_str()); - return CMD_FAILURE; - } - } - } - } - - /* - * Uh oh.. if the nickname is in use, and it's not in use by the person using it (doh) -- - * then we have a potential collide. Check whether someone else is camping on the nick - * (i.e. connect -> send NICK, don't send USER.) If they are camping, force-change the - * camper to their UID, and allow the incoming nick change. - * - * If the guy using the nick is already using it, tell the incoming nick change to gtfo, - * because the nick is already (rightfully) in use. -- w00t - */ - User* InUse = ServerInstance->FindNickOnly(parameters[0]); - if (InUse && (InUse != user)) - { - if (InUse->registered != REG_ALL) - { - /* force the camper to their UUID, and ask them to re-send a NICK. */ - InUse->WriteTo(InUse, "NICK %s", InUse->uuid.c_str()); - InUse->WriteNumeric(433, "%s %s :Nickname overruled.", InUse->nick.c_str(), InUse->nick.c_str()); - InUse->UpdateNickHash(InUse->uuid.c_str()); - InUse->nick.assign(InUse->uuid, 0, IS_LOCAL(InUse) ? ServerInstance->Config->Limits.NickMax : MAXBUF); - InUse->InvalidateCache(); - InUse->registered &= ~REG_NICK; - } - else - { - /* No camping, tell the incoming user to stop trying to change nick ;p */ - user->WriteNumeric(433, "%s %s :Nickname is already in use.", user->registered >= REG_NICK ? user->nick.c_str() : "*", parameters[0].c_str()); - return CMD_FAILURE; - } - } - } - - - ModResult MOD_RESULT; - FIRST_MOD_RESULT(ServerInstance, OnUserPreNick, MOD_RESULT, (user, parameters[0])); - if (MOD_RESULT == MOD_RES_DENY) - // if a module returns true, the nick change is silently forbidden. - return CMD_FAILURE; - - if (user->registered == REG_ALL) - user->WriteCommon("NICK %s", parameters[0].c_str()); - - oldnick.assign(user->nick, 0, IS_LOCAL(user) ? ServerInstance->Config->Limits.NickMax : MAXBUF); - - /* change the nick of the user in the users_hash */ - user = user->UpdateNickHash(parameters[0].c_str()); - - /* actually change the nick within the record */ - if (!user) - return CMD_FAILURE; - - user->nick.assign(parameters[0], 0, IS_LOCAL(user) ? ServerInstance->Config->Limits.NickMax : MAXBUF); - user->InvalidateCache(); - - if (user->registered < REG_NICKUSER) - { - user->registered = (user->registered | REG_NICK); - if (user->registered == REG_NICKUSER) - { - /* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */ - FIRST_MOD_RESULT(ServerInstance, OnUserRegister, MOD_RESULT, (user)); - if (MOD_RESULT == MOD_RES_DENY) - return CMD_FAILURE; - - // return early to not penalize new users - return CMD_SUCCESS; - } - } - - if (user->registered == REG_ALL) - { - user->IncreasePenalty(10); - FOREACH_MOD(I_OnUserPostNick,OnUserPostNick(user, oldnick)); - } - - return CMD_SUCCESS; - -} - - -COMMAND_INIT(CommandNick) |