Esempio n. 1
0
	// format of a config entry is <badword text="shit" replace="poo">
	virtual int OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
	{
		if (!IS_LOCAL(user))
			return 0;

		bool active = false;

		if (target_type == TYPE_USER)
			active = ((User*)dest)->IsModeSet('G');
		else if (target_type == TYPE_CHANNEL)
		{
			active = ((Channel*)dest)->IsModeSet('G');
			Channel* c = (Channel*)dest;
			if (CHANOPS_EXEMPT(ServerInstance, 'G') && c->GetStatus(user) == STATUS_OP)
			{
				return 0;
			}
		}

		if (!active)
			return 0;

		irc::string text2 = text.c_str();
		for (censor_t::iterator index = censors.begin(); index != censors.end(); index++)
		{
			if (text2.find(index->first) != irc::string::npos)
			{
				if (index->second.empty())
				{
					user->WriteNumeric(ERR_WORDFILTERED, "%s %s %s :Your message contained a censored word, and was blocked", user->nick.c_str(), ((Channel*)dest)->name.c_str(), index->first.c_str());
					return 1;
				}

				SearchAndReplace(text2, index->first, index->second);
			}
		}
		text = text2.c_str();
		return 0;
	}
Esempio n. 2
0
CmdResult CommandNotice::Handle (const std::vector<std::string>& parameters, User *user)
{
    User *dest;
    Channel *chan;

    CUList exempt_list;

    user->idle_lastmsg = ServerInstance->Time();

    if (ServerInstance->Parser->LoopCall(user, this, parameters, 0))
        return CMD_SUCCESS;
    if (parameters[0][0] == '$')
    {
        if (!user->HasPrivPermission("users/mass-message"))
            return CMD_SUCCESS;

        int MOD_RESULT = 0;
        std::string temp = parameters[1];
        FOREACH_RESULT(I_OnUserPreNotice,OnUserPreNotice(user, (void*)parameters[0].c_str(), TYPE_SERVER, temp, 0, exempt_list));
        if (MOD_RESULT)
            return CMD_FAILURE;
        const char* text = temp.c_str();
        const char* servermask = (parameters[0].c_str()) + 1;

        FOREACH_MOD(I_OnText,OnText(user, (void*)parameters[0].c_str(), TYPE_SERVER, text, 0, exempt_list));
        if (InspIRCd::Match(ServerInstance->Config->ServerName,servermask, NULL))
        {
            user->SendAll("NOTICE", "%s", text);
        }
        FOREACH_MOD(I_OnUserNotice,OnUserNotice(user, (void*)parameters[0].c_str(), TYPE_SERVER, text, 0, exempt_list));
        return CMD_SUCCESS;
    }
    char status = 0;
    const char* target = parameters[0].c_str();

    if (ServerInstance->Modes->FindPrefix(*target))
    {
        status = *target;
        target++;
    }
    if (*target == '#')
    {
        chan = ServerInstance->FindChan(target);

        exempt_list[user] = user->nick;

        if (chan)
        {
            if (IS_LOCAL(user))
            {
                if ((chan->IsModeSet('n')) && (!chan->HasUser(user)))
                {
                    user->WriteNumeric(404, "%s %s :Cannot send to channel (no external messages)", user->nick.c_str(), chan->name.c_str());
                    return CMD_FAILURE;
                }
                if ((chan->IsModeSet('m')) && (chan->GetStatus(user) < STATUS_VOICE))
                {
                    user->WriteNumeric(404, "%s %s :Cannot send to channel (+m)", user->nick.c_str(), chan->name.c_str());
                    return CMD_FAILURE;
                }
            }
            int MOD_RESULT = 0;

            std::string temp = parameters[1];
            FOREACH_RESULT(I_OnUserPreNotice,OnUserPreNotice(user,chan,TYPE_CHANNEL,temp,status, exempt_list));
            if (MOD_RESULT) {
                return CMD_FAILURE;
            }
            const char* text = temp.c_str();

            if (temp.empty())
            {
                user->WriteNumeric(412, "%s :No text to send", user->nick.c_str());
                return CMD_FAILURE;
            }

            FOREACH_MOD(I_OnText,OnText(user,chan,TYPE_CHANNEL,text,status,exempt_list));

            if (status)
            {
                if (ServerInstance->Config->UndernetMsgPrefix)
                {
                    chan->WriteAllExcept(user, false, status, exempt_list, "NOTICE %c%s :%c %s", status, chan->name.c_str(), status, text);
                }
                else
                {
                    chan->WriteAllExcept(user, false, status, exempt_list, "NOTICE %c%s :%s", status, chan->name.c_str(), text);
                }
            }
            else
            {
                chan->WriteAllExcept(user, false, status, exempt_list, "NOTICE %s :%s", chan->name.c_str(), text);
            }

            FOREACH_MOD(I_OnUserNotice,OnUserNotice(user,chan,TYPE_CHANNEL,text,status,exempt_list));
        }
        else
        {
            /* no such nick/channel */
            user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), target);
            return CMD_FAILURE;
        }
        return CMD_SUCCESS;
    }

    const char* destnick = parameters[0].c_str();

    if (IS_LOCAL(user))
    {
        const char* targetserver = strchr(destnick, '@');

        if (targetserver)
        {
            std::string nickonly;

            nickonly.assign(destnick, 0, targetserver - destnick);
            dest = ServerInstance->FindNickOnly(nickonly);
            if (dest && strcasecmp(dest->server, targetserver + 1))
            {
                /* Incorrect server for user */
                user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), parameters[0].c_str());
                return CMD_FAILURE;
            }
        }
        else
            dest = ServerInstance->FindNickOnly(destnick);
    }
    else
        dest = ServerInstance->FindNick(destnick);

    if (dest)
    {
        if (parameters[1].empty())
        {
            user->WriteNumeric(412, "%s :No text to send", user->nick.c_str());
            return CMD_FAILURE;
        }

        int MOD_RESULT = 0;
        std::string temp = parameters[1];
        FOREACH_RESULT(I_OnUserPreNotice,OnUserPreNotice(user,dest,TYPE_USER,temp,0,exempt_list));
        if (MOD_RESULT) {
            return CMD_FAILURE;
        }
        const char* text = temp.c_str();

        FOREACH_MOD(I_OnText,OnText(user,dest,TYPE_USER,text,0,exempt_list));

        if (IS_LOCAL(dest))
        {
            // direct write, same server
            user->WriteTo(dest, "NOTICE %s :%s", dest->nick.c_str(), text);
        }

        FOREACH_MOD(I_OnUserNotice,OnUserNotice(user,dest,TYPE_USER,text,0,exempt_list));
    }
    else
    {
        /* no such nick/channel */
        user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), parameters[0].c_str());
        return CMD_FAILURE;
    }

    return CMD_SUCCESS;

}
Esempio n. 3
0
	CmdResult Handle (const std::vector<std::string> &parameters, User *user)
	{
		Channel* channel = ServerInstance->FindChan(parameters[0]);
		if (channel)
		{
			int cm = channel->GetStatus(user);
			if ((cm == STATUS_HOP) || (cm == STATUS_OP))
			{
				if (!ServerInstance->IsValidMask(parameters[2]))
				{
					user->WriteServ("NOTICE "+std::string(user->nick)+" :Invalid ban mask");
					return CMD_FAILURE;
				}
				for (BanList::iterator i = channel->bans.begin(); i != channel->bans.end(); i++)
				{
					if (!strcasecmp(i->data.c_str(), parameters[2].c_str()))
					{
						user->WriteServ("NOTICE "+std::string(user->nick)+" :The ban "+parameters[2]+" is already on the banlist of "+parameters[0]);
						return CMD_FAILURE;
					}
				}
				TimedBan T;
				std::string channelname = parameters[0];
				long duration = ServerInstance->Duration(parameters[1]);
				unsigned long expire = duration + ServerInstance->Time();
				if (duration < 1)
				{
					user->WriteServ("NOTICE "+std::string(user->nick)+" :Invalid ban time");
					return CMD_FAILURE;
				}
				std::string mask = parameters[2];
				std::vector<std::string> setban;
				setban.push_back(parameters[0]);
				setban.push_back("+b");
				setban.push_back(parameters[2]);
				// use CallCommandHandler to make it so that the user sets the mode
				// themselves
				ServerInstance->CallCommandHandler("MODE",setban,user);
				/* Check if the ban was actually added (e.g. banlist was NOT full) */
				bool was_added = false;
				for (BanList::iterator i = channel->bans.begin(); i != channel->bans.end(); i++)
					if (!strcasecmp(i->data.c_str(), mask.c_str()))
						was_added = true;
				if (was_added)
				{
					CUList tmp;
					T.channel = channelname;
					T.mask = mask;
					T.expire = expire;
					TimedBanList.push_back(T);
					channel->WriteAllExcept(user, true, '@', tmp, "NOTICE %s :%s added a timed ban on %s lasting for %ld seconds.", channel->name.c_str(), user->nick.c_str(), mask.c_str(), duration);
					ServerInstance->PI->SendChannelNotice(channel, '@', user->nick + " added a timed ban on " + mask + " lasting for " + ConvToStr(duration) + " seconds.");
					if (ServerInstance->Config->AllowHalfop)
					{
						channel->WriteAllExcept(user, true, '%', tmp, "NOTICE %s :%s added a timed ban on %s lasting for %ld seconds.", channel->name.c_str(), user->nick.c_str(), mask.c_str(), duration);
						ServerInstance->PI->SendChannelNotice(channel, '%', user->nick + " added a timed ban on " + mask + " lasting for " + ConvToStr(duration) + " seconds.");
					}
					return CMD_SUCCESS;
				}
				return CMD_FAILURE;
			}
			else user->WriteNumeric(482, "%s %s :You must be at least a%soperator to change modes on this channel",user->nick.c_str(), channel->name.c_str(),
					ServerInstance->Config->AllowHalfop ? " half-" : " channel ");
			return CMD_FAILURE;
		}
		user->WriteNumeric(401, "%s %s :No such channel",user->nick.c_str(), parameters[0].c_str());
		return CMD_FAILURE;
	}
Esempio n. 4
0
/** 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 (!allowinvalid)
		{
			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;
				std::deque<classbase*> dummy;
				p2.push_back(user->uuid);
				this->HandleInternal(1, dummy);
				this->Handle(p2, user);
				this->HandleInternal(0, dummy);
				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);
		int MOD_RESULT = 0;
		FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(user,parameters[0]));
		if (MOD_RESULT)
			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 f*****g *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 (!allowinvalid || !IS_LOCAL(user))
		{
			XLine* mq = ServerInstance->XLines->MatchesLine("Q",parameters[0]);
			if (mq)
			{
				if (user->registered == REG_ALL)
				{
					ServerInstance->SNO->WriteToSnoMask('x', "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);
				}
				user->WriteNumeric(432, "%s %s :Invalid nickname: %s",user->nick.c_str(), parameters[0].c_str(), mq->reason);
				return CMD_FAILURE;
			}

			if (ServerInstance->Config->RestrictBannedUsers)
			{
				for (UCListIter i = user->chans.begin(); i != user->chans.end(); i++)
				{
					Channel *chan = i->first;
					if (chan->GetStatus(user) < STATUS_VOICE && 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;
			}
		}
	}


	int MOD_RESULT = 0;
	FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(user, parameters[0]));
	if (MOD_RESULT)
		// 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();

	/* Update display nicks */
	for (UCListIter v = user->chans.begin(); v != user->chans.end(); v++)
	{
		CUList* ulist = v->first->GetUsers();
		CUList::iterator i = ulist->find(user);
		if (i != ulist->end())
			i->second = user->nick;
	}

	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 */
			MOD_RESULT = 0;
			FOREACH_RESULT(I_OnUserRegister,OnUserRegister(user));
			if (MOD_RESULT > 0)
				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;

}