/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2010 Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2015 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
* IRC channel commands
*/
-#include "imp.h"
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
-#include "defines.h"
#include "conn.h"
#include "channel.h"
#include "conn-func.h"
#include "parse.h"
#include "irc.h"
#include "irc-info.h"
+#include "irc-macros.h"
#include "irc-write.h"
#include "conf.h"
-#include "exp.h"
#include "irc-channel.h"
-
/**
* Part from all channels.
*
return CONNECTED;
} /* part_from_all_channels */
-
/**
* Check weather a local client is allowed to join an already existing
* channel or not.
const char *key)
{
bool is_invited, is_banned, is_exception;
- const char *channel_modes;
/* Allow IRC operators to overwrite channel limits */
- if (strchr(Client_Modes(Client), 'o'))
+ if (Client_HasMode(Client, 'o'))
return true;
is_banned = Lists_Check(Channel_GetListBans(chan), Client);
if (is_banned && !is_invited && !is_exception) {
/* Client is banned from channel (and not on invite list) */
- IRC_WriteStrClient(Client, ERR_BANNEDFROMCHAN_MSG,
+ IRC_WriteErrClient(Client, ERR_BANNEDFROMCHAN_MSG,
Client_ID(Client), channame);
return false;
}
- channel_modes = Channel_Modes(chan);
- if (strchr(channel_modes, 'i') && !is_invited) {
+ if (Channel_HasMode(chan, 'i') && !is_invited) {
/* Channel is "invite-only" and client is not on invite list */
- IRC_WriteStrClient(Client, ERR_INVITEONLYCHAN_MSG,
+ IRC_WriteErrClient(Client, ERR_INVITEONLYCHAN_MSG,
Client_ID(Client), channame);
return false;
}
if (!Channel_CheckKey(chan, Client, key ? key : "")) {
/* Channel is protected by a channel key and the client
* didn't specify the correct one */
- IRC_WriteStrClient(Client, ERR_BADCHANNELKEY_MSG,
+ IRC_WriteErrClient(Client, ERR_BADCHANNELKEY_MSG,
Client_ID(Client), channame);
return false;
}
- if (strchr(channel_modes, 'l') &&
+ if (Channel_HasMode(chan, 'l') &&
(Channel_MaxUsers(chan) <= Channel_MemberCount(chan))) {
/* There are more clints joined to this channel than allowed */
- IRC_WriteStrClient(Client, ERR_CHANNELISFULL_MSG,
+ IRC_WriteErrClient(Client, ERR_CHANNELISFULL_MSG,
Client_ID(Client), channame);
return false;
}
- if (strchr(channel_modes, 'z') && !Conn_UsesSSL(Client_Conn(Client))) {
+ if (Channel_HasMode(chan, 'z') && !Conn_UsesSSL(Client_Conn(Client))) {
/* Only "secure" clients are allowed, but clients doesn't
* use SSL encryption */
- IRC_WriteStrClient(Client, ERR_SECURECHANNEL_MSG,
+ IRC_WriteErrClient(Client, ERR_SECURECHANNEL_MSG,
Client_ID(Client), channame);
return false;
}
- if (strchr(channel_modes, 'O') && !Client_OperByMe(Client)) {
+ if (Channel_HasMode(chan, 'O') && !Client_HasMode(Client, 'o')) {
/* Only IRC operators are allowed! */
- IRC_WriteStrClient(Client, ERR_OPONLYCHANNEL_MSG,
+ IRC_WriteErrClient(Client, ERR_OPONLYCHANNEL_MSG,
Client_ID(Client), channame);
return false;
}
- if (strchr(channel_modes, 'R') && !strchr(Client_Modes(Client), 'R')) {
+ if (Channel_HasMode(chan, 'R') && !Client_HasMode(Client, 'R')) {
/* Only registered users are allowed! */
- IRC_WriteStrClient(Client, ERR_REGONLYCHANNEL_MSG,
+ IRC_WriteErrClient(Client, ERR_REGONLYCHANNEL_MSG,
Client_ID(Client), channame);
return false;
}
return true;
} /* join_allowed */
-
/**
* Set user channel modes.
*
/* If the channel is persistent (+P) and client is an IRC op:
* make client chanop, if not disabled in configuration. */
- if (strchr(Channel_Modes(chan), 'P') && Conf_OperChanPAutoOp
- && strchr(Client_Modes(target), 'o'))
+ if (Channel_HasMode(chan, 'P') && Conf_OperChanPAutoOp
+ && Client_HasMode(target, 'o'))
Channel_UserModeAdd(chan, target, 'o');
} /* join_set_channelmodes */
-
/**
* Forward JOIN command to a specific server
*
- * This function diffentiates between servers using RFC 2813 mode that
+ * This function differentiates between servers using RFC 2813 mode that
* support the JOIN command with appended ASCII 7 character and channel
* modes, and servers using RFC 1459 protocol which require separate JOIN
* and MODE commands.
Client_ID(Prefix));
} /* cb_join_forward */
-
/**
* Forward JOIN command to all servers
*
}
} /* join_forward */
-
/**
- * Aknowledge user JOIN request and send "channel info" numerics.
+ * Acknowledge user JOIN request and send "channel info" numerics.
*
* @param Client Client used to prefix the genrated commands
* @param target Forward commands/numerics to this user
Channel_Name(chan));
} /* join_send_topic */
-
/**
* Handler for the IRC "JOIN" command.
*
- * See RFC 2812, 3.2.1 "Join message"; RFC 2813, 4.2.1 "Join message".
- *
- * @param Client The client from which this command has been received
- * @param Req Request structure with prefix and all parameters
- * @returns CONNECTED or DISCONNECTED
+ * @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_JOIN( CLIENT *Client, REQUEST *Req )
assert (Client != NULL);
assert (Req != NULL);
- /* Bad number of arguments? */
- if (Req->argc < 1 || Req->argc > 2)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
-
- /* Who is the sender? */
- if (Client_Type(Client) == CLIENT_SERVER)
- target = Client_Search(Req->prefix);
- else
- target = Client;
-
- if (!target)
- return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
- Client_ID(Client), Req->prefix);
+ _IRC_GET_SENDER_OR_RETURN_(target, Req, Client)
/* Is argument "0"? */
if (Req->argc == 1 && !strncmp("0", Req->argv[0], 2))
channame = strtok_r(channame, ",", &lastchan);
/* Make sure that "channame" is not the empty string ("JOIN :") */
- if (! channame)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ if (!channame)
+ return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
while (channame) {
}
chan = Channel_Search(channame);
- if (!chan && Conf_PredefChannelsOnly) {
- /* channel must be created, but forbidden by config */
- IRC_WriteStrClient(Client, ERR_BANNEDFROMCHAN_MSG,
- Client_ID(Client), channame);
- goto join_next;
- }
/* Local client? */
if (Client_Type(Client) == CLIENT_USER) {
/* Already existing channel: already member? */
if (Channel_IsMemberOf(chan, Client))
goto join_next;
+ } else {
+ /* Channel must be created */
+ if (!strchr(Conf_AllowedChannelTypes, channame[0])) {
+ /* ... but channel type is not allowed! */
+ IRC_WriteErrClient(Client,
+ ERR_NOSUCHCHANNEL_MSG,
+ Client_ID(Client), channame);
+ goto join_next;
+ }
}
/* Test if the user has reached the channel limit */
if ((Conf_MaxJoins > 0) &&
(Channel_CountForUser(Client) >= Conf_MaxJoins)) {
- if (!IRC_WriteStrClient(Client,
+ if (!IRC_WriteErrClient(Client,
ERR_TOOMANYCHANNELS_MSG,
Client_ID(Client), channame))
return DISCONNECTED;
return CONNECTED;
} /* IRC_JOIN */
-
/**
* Handler for the IRC "PART" command.
*
- * See RFC 2812, 3.2.2: "Part message".
- *
- * @param Client The client from which this command has been received
- * @param Req Request structure with prefix and all parameters
- * @returns CONNECTED or DISCONNECTED
+ * @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_PART(CLIENT * Client, REQUEST * Req)
assert(Client != NULL);
assert(Req != NULL);
- if (Req->argc < 1 || Req->argc > 2)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
-
- /* Get the sender */
- if (Client_Type(Client) == CLIENT_SERVER)
- target = Client_Search(Req->prefix);
- else
- target = Client;
- if (!target)
- return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
- Client_ID(Client), Req->prefix);
+ _IRC_GET_SENDER_OR_RETURN_(target, Req, Client)
/* Loop over all the given channel names */
chan = strtok(Req->argv[0], ",");
/* Make sure that "chan" is not the empty string ("PART :") */
- if (! chan)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ if (!chan)
+ return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
while (chan) {
Channel_Part(target, Client, chan,
- Req->argc > 1 ? Req->argv[1] : Client_ID(target));
+ Req->argc > 1 ? Req->argv[1] : "");
chan = strtok(NULL, ",");
}
return CONNECTED;
} /* IRC_PART */
-
/**
* Handler for the IRC "TOPIC" command.
*
- * See RFC 2812, 3.2.4 "Topic message".
- *
- * @param Client The client from which this command has been received
- * @param Req Request structure with prefix and all parameters
- * @returns CONNECTED or DISCONNECTED
+ * @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_TOPIC( CLIENT *Client, REQUEST *Req )
assert( Client != NULL );
assert( Req != NULL );
- if (Req->argc < 1 || Req->argc > 2)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
-
- if (Client_Type(Client) == CLIENT_SERVER)
- from = Client_Search(Req->prefix);
- else
- from = Client;
-
- if (!from)
- return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
- Client_ID(Client), Req->prefix);
+ _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
chan = Channel_Search(Req->argv[0]);
if (!chan)
- return IRC_WriteStrClient(from, ERR_NOSUCHCHANNEL_MSG,
+ return IRC_WriteErrClient(from, ERR_NOSUCHCHANNEL_MSG,
Client_ID(from), Req->argv[0]);
/* Only remote servers and channel members are allowed to change the
- * channel topic, and IRC opreators when the Conf_OperCanMode option
+ * channel topic, and IRC operators when the Conf_OperCanMode option
* is set in the server configuration. */
if (Client_Type(Client) != CLIENT_SERVER) {
topic_power = Client_HasMode(from, 'o');
if (!Channel_IsMemberOf(chan, from)
&& !(Conf_OperCanMode && topic_power))
- return IRC_WriteStrClient(from, ERR_NOTONCHANNEL_MSG,
+ return IRC_WriteErrClient(from, ERR_NOTONCHANNEL_MSG,
Client_ID(from), Req->argv[0]);
} else
topic_power = true;
Channel_Name(chan));
}
- if (strchr(Channel_Modes(chan), 't')) {
+ if (Channel_HasMode(chan, 't')) {
/* Topic Lock. Is the user a channel op or IRC operator? */
if(!topic_power &&
- !strchr(Channel_UserModes(chan, from), 'h') &&
- !strchr(Channel_UserModes(chan, from), 'o') &&
- !strchr(Channel_UserModes(chan, from), 'a') &&
- !strchr(Channel_UserModes(chan, from), 'q'))
- return IRC_WriteStrClient(from, ERR_CHANOPRIVSNEEDED_MSG,
+ !Channel_UserHasMode(chan, from, 'h') &&
+ !Channel_UserHasMode(chan, from, 'o') &&
+ !Channel_UserHasMode(chan, from, 'a') &&
+ !Channel_UserHasMode(chan, from, 'q'))
+ return IRC_WriteErrClient(from, ERR_CHANOPRIVSNEEDED_MSG,
Client_ID(from),
Channel_Name(chan));
}
return CONNECTED;
} /* IRC_TOPIC */
-
/**
* Handler for the IRC "LIST" command.
*
- * See RFC 2812, 3.2.6 "List message".
- *
- * This implementation handles the local case as well as the forwarding of the
- * LIST command to other servers in the IRC network.
- *
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @return CONNECTED or DISCONNECTED.
assert(Client != NULL);
assert(Req != NULL);
- /* Bad number of prameters? */
- if (Req->argc > 2)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
+ _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
if (Req->argc > 0)
pattern = strtok(Req->argv[0], ",");
else
pattern = "*";
- /* Get sender from prefix, if any */
- if (Client_Type(Client) == CLIENT_SERVER)
- from = Client_Search(Req->prefix);
- else
- from = Client;
-
- if (!from)
- return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
- Client_ID(Client), Req->prefix);
-
if (Req->argc == 2) {
/* Forward to other server? */
target = Client_Search(Req->argv[1]);
if (! target || Client_Type(target) != CLIENT_SERVER)
- return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
+ return IRC_WriteErrClient(from, ERR_NOSUCHSERVER_MSG,
Client_ID(Client),
Req->argv[1]);
/* Check search pattern */
if (MatchCaseInsensitive(pattern, Channel_Name(chan))) {
/* Gotcha! */
- if (!strchr(Channel_Modes(chan), 's')
+ if (!Channel_HasMode(chan, 's')
|| Channel_IsMemberOf(chan, from)
- || (!Conf_MorePrivacy && Client_OperByMe(Client))) {
+ || (!Conf_MorePrivacy
+ && Client_HasMode(Client, 'o')
+ && Client_Conn(Client) > NONE))
+ {
if ((Conf_MaxListSize > 0)
&& IRC_CheckListTooBig(from, count,
Conf_MaxListSize,
pattern = NULL;
}
- IRC_SetPenalty(from, 2);
return IRC_WriteStrClient(from, RPL_LISTEND_MSG, Client_ID(from));
} /* IRC_LIST */
-
/**
- * Handler for the IRC+ command "CHANINFO".
+ * Handler for the IRC+ "CHANINFO" command.
*
- * See doc/Protocol.txt, section II.3:
- * "Exchange channel-modes, topics, and persistent channels".
- *
- * @param Client The client from which this command has been received
- * @param Req Request structure with prefix and all parameters
- * @returns CONNECTED or DISCONNECTED
+ * @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_CHANINFO( CLIENT *Client, REQUEST *Req )
{
- char modes_add[COMMAND_LEN], l[16], *ptr;
+ char modes_add[COMMAND_LEN], l[16];
CLIENT *from;
CHANNEL *chan;
int arg_topic;
/* Bad number of parameters? */
if (Req->argc < 2 || Req->argc == 4 || Req->argc > 5)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
/* Compatibility kludge */
- if( Req->argc == 5 ) arg_topic = 4;
- else if( Req->argc == 3 ) arg_topic = 2;
- else arg_topic = -1;
+ if (Req->argc == 5)
+ arg_topic = 4;
+ else if(Req->argc == 3)
+ arg_topic = 2;
+ else
+ arg_topic = -1;
- /* Search origin */
- from = Client_Search( Req->prefix );
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+ _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
/* Search or create channel */
chan = Channel_Search( Req->argv[0] );
- if( ! chan ) chan = Channel_Create( Req->argv[0] );
- if( ! chan ) return CONNECTED;
-
- if( Req->argv[1][0] == '+' )
- {
- ptr = Channel_Modes( chan );
- if( ! *ptr )
- {
- /* OK, this channel doesn't have modes jet, set the received ones: */
- Channel_SetModes( chan, &Req->argv[1][1] );
-
- if( Req->argc == 5 )
- {
- if( strchr( Channel_Modes( chan ), 'k' )) Channel_SetKey( chan, Req->argv[2] );
- if( strchr( Channel_Modes( chan ), 'l' )) Channel_SetMaxUsers( chan, atol( Req->argv[3] ));
- }
- else
- {
+ if (!chan)
+ chan = Channel_Create( Req->argv[0] );
+ if (!chan)
+ return CONNECTED;
+
+ if (Req->argv[1][0] == '+') {
+ if (!*Channel_Modes(chan)) {
+ /* OK, this channel doesn't have modes yet,
+ * set the received ones: */
+ Channel_SetModes(chan, &Req->argv[1][1]);
+
+ if(Req->argc == 5) {
+ if(Channel_HasMode(chan, 'k'))
+ Channel_SetKey(chan, Req->argv[2]);
+ if(Channel_HasMode(chan, 'l'))
+ Channel_SetMaxUsers(chan, atol(Req->argv[3]));
+ } else {
/* Delete modes which we never want to inherit */
- Channel_ModeDel( chan, 'l' );
- Channel_ModeDel( chan, 'k' );
+ Channel_ModeDel(chan, 'l');
+ Channel_ModeDel(chan, 'k');
}
- strcpy( modes_add, "" );
- ptr = Channel_Modes( chan );
- while( *ptr )
- {
- if( *ptr == 'l' )
- {
- snprintf( l, sizeof( l ), " %lu", Channel_MaxUsers( chan ));
- strlcat( modes_add, l, sizeof( modes_add ));
- }
- if( *ptr == 'k' )
- {
- strlcat( modes_add, " ", sizeof( modes_add ));
- strlcat( modes_add, Channel_Key( chan ), sizeof( modes_add ));
- }
- ptr++;
+ strcpy(modes_add, "");
+ if (Channel_HasMode(chan, 'l')) {
+ snprintf(l, sizeof(l), " %lu",
+ Channel_MaxUsers(chan));
+ strlcat(modes_add, l, sizeof(modes_add));
+ }
+ if (Channel_HasMode(chan, 'k')) {
+ strlcat(modes_add, " ", sizeof(modes_add));
+ strlcat(modes_add, Channel_Key(chan),
+ sizeof(modes_add));
}
/* Inform members of this channel */
- IRC_WriteStrChannelPrefix( Client, chan, from, false, "MODE %s +%s%s", Req->argv[0], Channel_Modes( chan ), modes_add );
+ IRC_WriteStrChannelPrefix(Client, chan, from, false,
+ "MODE %s +%s%s", Req->argv[0],
+ Channel_Modes(chan), modes_add);
}
}
- else Log( LOG_WARNING, "CHANINFO: invalid MODE format ignored!" );
+ else
+ Log(LOG_WARNING, "CHANINFO: invalid MODE format ignored!");
- if( arg_topic > 0 )
- {
+ if (arg_topic > 0) {
/* We got a topic */
- ptr = Channel_Topic( chan );
- if(( ! *ptr ) && ( Req->argv[arg_topic][0] ))
- {
+ if (!*Channel_Topic(chan) && Req->argv[arg_topic][0]) {
/* OK, there is no topic jet */
Channel_SetTopic(chan, Client, Req->argv[arg_topic]);
IRC_WriteStrChannelPrefix(Client, chan, from, false,
}
}
- /* Forward CHANINFO to other serevrs */
- if( Req->argc == 5 ) IRC_WriteStrServersPrefixFlag( Client, from, 'C', "CHANINFO %s %s %s %s :%s", Req->argv[0], Req->argv[1], Req->argv[2], Req->argv[3], Req->argv[4] );
- else if( Req->argc == 3 ) IRC_WriteStrServersPrefixFlag( Client, from, 'C', "CHANINFO %s %s :%s", Req->argv[0], Req->argv[1], Req->argv[2] );
- else IRC_WriteStrServersPrefixFlag( Client, from, 'C', "CHANINFO %s %s", Req->argv[0], Req->argv[1] );
+ /* Forward CHANINFO to other servers */
+ if (Req->argc == 5)
+ IRC_WriteStrServersPrefixFlag(Client, from, 'C',
+ "CHANINFO %s %s %s %s :%s",
+ Req->argv[0], Req->argv[1],
+ Req->argv[2], Req->argv[3],
+ Req->argv[4]);
+ else if (Req->argc == 3)
+ IRC_WriteStrServersPrefixFlag(Client, from, 'C',
+ "CHANINFO %s %s :%s",
+ Req->argv[0], Req->argv[1],
+ Req->argv[2]);
+ else
+ IRC_WriteStrServersPrefixFlag(Client, from, 'C',
+ "CHANINFO %s %s",
+ Req->argv[0], Req->argv[1]);
return CONNECTED;
} /* IRC_CHANINFO */
-
/* -eof- */