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- /*
- * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2014 Alexander Barton (alex@barton.de) and Contributors.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * Please read the file COPYING, README and AUTHORS for more information.
- */
- #include "portab.h"
- /**
- * @file
- * Channel operator commands
- */
- #include <assert.h>
- #include <string.h>
- #include "conn.h"
- #include "channel.h"
- #include "irc-macros.h"
- #include "irc-write.h"
- #include "lists.h"
- #include "log.h"
- #include "messages.h"
- #include "parse.h"
- #include "irc-op.h"
- /* Local functions */
- static bool
- try_kick(CLIENT *peer, CLIENT* from, const char *nick, const char *channel,
- const char *reason)
- {
- CLIENT *target = Client_Search(nick);
- if (!target)
- return IRC_WriteErrClient(from, ERR_NOSUCHNICK_MSG,
- Client_ID(from), nick);
- Channel_Kick(peer, target, from, channel, reason);
- return true;
- }
- /* Global functions */
- /**
- * Handler for the IRC command "KICK".
- *
- * @param Client The client from which this command has been received.
- * @param Req Request structure with prefix and all parameters.
- * @return CONNECTED or DISCONNECTED.
- */
- GLOBAL bool
- IRC_KICK(CLIENT *Client, REQUEST *Req)
- {
- CLIENT *from;
- char *itemList = Req->argv[0];
- const char* currentNick, *currentChannel, *reason;
- unsigned int channelCount = 1;
- unsigned int nickCount = 1;
- assert( Client != NULL );
- assert( Req != NULL );
- _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
- while (*itemList) {
- if (*itemList == ',') {
- *itemList = '\0';
- channelCount++;
- }
- itemList++;
- }
- itemList = Req->argv[1];
- while (*itemList) {
- if (*itemList == ',') {
- *itemList = '\0';
- nickCount++;
- }
- itemList++;
- }
- reason = Req->argc == 3 ? Req->argv[2] : Client_ID(from);
- currentNick = Req->argv[1];
- currentChannel = Req->argv[0];
- if (channelCount == 1) {
- while (nickCount > 0) {
- if (!try_kick(Client, from, currentNick,
- currentChannel, reason))
- return false;
- while (*currentNick)
- currentNick++;
- currentNick++;
- nickCount--;
- }
- } else if (channelCount == nickCount) {
- while (nickCount > 0) {
- if (!try_kick(Client, from, currentNick,
- currentChannel, reason))
- return false;
- while (*currentNick)
- currentNick++;
- while (*currentChannel)
- currentChannel++;
- currentNick++;
- currentChannel++;
- nickCount--;
- }
- } else {
- return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
- }
- return true;
- } /* IRC_KICK */
- /**
- * Handler for the IRC command "INVITE".
- *
- * @param Client The client from which this command has been received.
- * @param Req Request structure with prefix and all parameters.
- * @return CONNECTED or DISCONNECTED.
- */
- GLOBAL bool
- IRC_INVITE(CLIENT *Client, REQUEST *Req)
- {
- CHANNEL *chan;
- CLIENT *target, *from;
- const char *colon_if_necessary;
- bool remember = false;
- assert( Client != NULL );
- assert( Req != NULL );
- _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
- /* Search user */
- target = Client_Search(Req->argv[0]);
- if (!target || (Client_Type(target) != CLIENT_USER))
- return IRC_WriteErrClient(from, ERR_NOSUCHNICK_MSG,
- Client_ID(Client), Req->argv[0]);
- if (Req->argv[1][0] == '&') {
- /* Local channel. Make sure the target user is on this server! */
- if (Client_Conn(target) == NONE)
- return IRC_WriteErrClient(from, ERR_USERNOTONSERV_MSG,
- Client_ID(Client),
- Req->argv[0]);
- }
- chan = Channel_Search(Req->argv[1]);
- if (chan) {
- /* Channel exists. Is the user a valid member of the channel? */
- if (!Channel_IsMemberOf(chan, from))
- return IRC_WriteErrClient(from, ERR_NOTONCHANNEL_MSG,
- Client_ID(Client),
- Req->argv[1]);
- /* Is the channel "invite-disallow"? */
- if (Channel_HasMode(chan, 'V'))
- return IRC_WriteErrClient(from, ERR_NOINVITE_MSG,
- Client_ID(from),
- Channel_Name(chan));
- /* Is the channel "invite-only"? */
- if (Channel_HasMode(chan, 'i')) {
- /* Yes. The user issuing the INVITE command must be
- * channel owner/admin/operator/halfop! */
- if (!Channel_UserHasMode(chan, from, 'q') &&
- !Channel_UserHasMode(chan, from, 'a') &&
- !Channel_UserHasMode(chan, from, 'o') &&
- !Channel_UserHasMode(chan, from, 'h'))
- return IRC_WriteErrClient(from,
- ERR_CHANOPRIVSNEEDED_MSG,
- Client_ID(from),
- Channel_Name(chan));
- remember = true;
- }
- /* Is the target user already member of the channel? */
- if (Channel_IsMemberOf(chan, target))
- return IRC_WriteErrClient(from, ERR_USERONCHANNEL_MSG,
- Client_ID(from),
- Req->argv[0], Req->argv[1]);
- /* If the target user is banned on that channel: remember invite */
- if (Lists_Check(Channel_GetListBans(chan), target))
- remember = true;
- if (remember) {
- /* We must remember this invite */
- if (!Channel_AddInvite(chan, Client_MaskCloaked(target),
- true, Client_ID(from)))
- return CONNECTED;
- }
- }
- LogDebug("User \"%s\" invites \"%s\" to \"%s\" ...", Client_Mask(from),
- Req->argv[0], Req->argv[1]);
- /*
- * RFC 2812 states:
- * 'There is no requirement that the channel [..] must exist or be a
- * valid channel'. The problem with this is that this allows the
- * "channel" to contain spaces, in which case we must prefix its name
- * with a colon to make it clear that it is only a single argument.
- */
- colon_if_necessary = strchr(Req->argv[1], ' ') ? ":":"";
- /* Inform target client */
- IRC_WriteStrClientPrefix(target, from, "INVITE %s %s%s", Req->argv[0],
- colon_if_necessary, Req->argv[1]);
- if (Client_Conn(target) > NONE) {
- /* The target user is local, so we have to send the status code */
- if (!IRC_WriteStrClientPrefix(from, target, RPL_INVITING_MSG,
- Client_ID(from), Req->argv[0],
- colon_if_necessary, Req->argv[1]))
- return DISCONNECTED;
- if (Client_HasMode(target, 'a') &&
- !IRC_WriteStrClient(from, RPL_AWAY_MSG, Client_ID(from),
- Client_ID(target), Client_Away(target)))
- return DISCONNECTED;
- }
- return CONNECTED;
- } /* IRC_INVITE */
- /* -eof- */
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