/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2005 Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2010 Alexander Barton (alex@barton.de)
*
* 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
#include "defines.h"
#include "conn.h"
-#include "client.h"
#include "channel.h"
#include "irc-write.h"
#include "lists.h"
#include "log.h"
#include "parse.h"
#include "messages.h"
-#include "resolve.h"
#include "conf.h"
#include "exp.h"
#include "irc-mode.h"
-static bool Client_Mode PARAMS(( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target ));
-static bool Channel_Mode PARAMS(( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel ));
+static bool Client_Mode PARAMS(( CLIENT *Client, REQUEST *Req, CLIENT *Origin,
+ CLIENT *Target ));
+static bool Channel_Mode PARAMS(( CLIENT *Client, REQUEST *Req, CLIENT *Origin,
+ CHANNEL *Channel ));
-static bool Add_Ban_Invite PARAMS((int what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, const char *Pattern));
-static bool Del_Ban_Invite PARAMS((int what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, const char *Pattern));
+static bool Add_Ban_Invite PARAMS((int what, CLIENT *Prefix, CLIENT *Client,
+ CHANNEL *Channel, const char *Pattern));
+static bool Del_Ban_Invite PARAMS((int what, CLIENT *Prefix, CLIENT *Client,
+ CHANNEL *Channel, const char *Pattern));
-static bool Send_ListChange PARAMS(( char *Mode, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, const char *Mask ));
+static bool Send_ListChange PARAMS((const char *Mode, CLIENT *Prefix,
+ CLIENT *Client, CHANNEL *Channel, const char *Mask));
GLOBAL bool
else ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
break;
+ case 'c': /* Receive connect notices
+ * (only settable by IRC operators!) */
+ if(!set || Client_OperByMe(Origin)
+ || Client_Type(Client) == CLIENT_SERVER)
+ x[0] = 'c';
+ else
+ ok = IRC_WriteStrClient(Origin,
+ ERR_NOPRIVILEGES_MSG,
+ Client_ID(Origin));
+ break;
+
case 'o': /* IRC operator (only unsettable!) */
if(( ! set ) || ( Client_Type( Client ) == CLIENT_SERVER ))
{
else ok = IRC_WriteStrClient( Origin, ERR_RESTRICTED_MSG, Client_ID( Origin ));
break;
+ case 'x': /* Cloak hostname */
+ if (Client_HasMode(Client, 'r'))
+ IRC_WriteStrClient(Origin,
+ ERR_RESTRICTED_MSG,
+ Client_ID(Origin));
+ else
+ x[0] = 'x';
+ break;
+
default:
Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Origin ));
if( Client_Type( Client ) != CLIENT_SERVER ) ok = IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Origin ), set ? '+' : '-', *mode_ptr );
ok = IRC_WriteStrClientPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes );
IRC_WriteStrServersPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes );
}
- Log( LOG_DEBUG, "User \"%s\": Mode change, now \"%s\".", Client_Mask( Target ), Client_Modes( Target ));
+ LogDebug("%s \"%s\": Mode change, now \"%s\".",
+ Client_TypeText(Target), Client_Mask(Target),
+ Client_Modes(Target));
}
IRC_SetPenalty( Client, 1 );
}
+/**
+ * Handle channel mode and channel-user mode changes
+ */
static bool
-Channel_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel )
+Channel_Mode(CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel)
{
- /* Handle channel and channel-user modes */
-
- char the_modes[COMMAND_LEN], the_args[COMMAND_LEN], x[2], argadd[CLIENT_PASS_LEN], *mode_ptr;
- bool ok, set, modeok = true, skiponce, use_servermode = false, retval;
+ char the_modes[COMMAND_LEN], the_args[COMMAND_LEN], x[2],
+ argadd[CLIENT_PASS_LEN], *mode_ptr;
+ bool connected, set, skiponce, retval, onchannel;
+ bool modeok = true, use_servermode = false;
int mode_arg, arg_arg;
CLIENT *client;
long l;
size_t len;
- /* Are modes allowed on channel? */
- if (Channel_Name(Channel)[0] == '+')
+ if (Channel_IsModeless(Channel))
return IRC_WriteStrClient(Client, ERR_NOCHANMODES_MSG,
Client_ID(Client), Channel_Name(Channel));
/* Is the user allowed to change modes? */
if (Client_Type(Client) == CLIENT_USER) {
/* Is the originating user on that channel? */
- if (!Channel_IsMemberOf(Channel, Origin))
- return IRC_WriteStrClient(Origin, ERR_NOTONCHANNEL_MSG,
- Client_ID(Origin), Channel_Name(Channel));
+ onchannel = Channel_IsMemberOf(Channel, Origin);
modeok = false;
/* channel operator? */
- if (strchr(Channel_UserModes(Channel, Origin), 'o'))
+ if (onchannel &&
+ strchr(Channel_UserModes(Channel, Origin), 'o')) {
modeok = true;
- else if(Conf_OperCanMode) {
+ } else if (Conf_OperCanMode) {
/* IRC-Operators can use MODE as well */
if (Client_OperByMe(Origin)) {
modeok = true;
use_servermode = true; /* Change Origin to Server */
}
}
+
+ if (!onchannel && !modeok)
+ return IRC_WriteStrClient(Origin, ERR_NOTONCHANNEL_MSG,
+ Client_ID(Origin), Channel_Name(Channel));
}
mode_arg = 1;
/* Initial state: set or unset modes? */
skiponce = false;
switch (*mode_ptr) {
- case '-': set = false; break;
- case '+': set = true; break;
+ case '-':
+ set = false;
+ break;
+ case '+':
+ set = true;
+ break;
default:
set = true;
skiponce = true;
the_args[0] = '\0';
x[1] = '\0';
- ok = CONNECTED;
+ connected = CONNECTED;
while (mode_ptr) {
- if (! skiponce)
+ if (!skiponce)
mode_ptr++;
if (!*mode_ptr) {
/* Try next argument if there's any */
switch (*mode_ptr) {
case '+':
case '-':
- if (((*mode_ptr == '+') && !set) || ((*mode_ptr == '-') && set)) {
+ if (((*mode_ptr == '+') && !set)
+ || ((*mode_ptr == '-') && set)) {
/* Action modifier ("+"/"-") must be changed ... */
- len = strlen( the_modes ) - 1;
- if ((the_modes[len] == '+') || (the_modes[len] == '-')) {
+ len = strlen(the_modes) - 1;
+ if (the_modes[len] == '+' || the_modes[len] == '-') {
/* Adjust last action modifier in result */
the_modes[len] = *mode_ptr;
} else {
}
/* Are there arguments left? */
- if( arg_arg >= Req->argc ) arg_arg = -1;
+ if (arg_arg >= Req->argc)
+ arg_arg = -1;
/* Validate modes */
x[0] = '\0';
case 'n': /* Only members can write */
case 's': /* Secret channel */
case 't': /* Topic locked */
+ case 'z': /* Secure connections only */
if (modeok)
x[0] = *mode_ptr;
else
- ok = IRC_WriteStrClient(Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID(Origin), Channel_Name(Channel));
+ connected = IRC_WriteStrClient(Origin,
+ ERR_CHANOPRIVSNEEDED_MSG,
+ Client_ID(Origin), Channel_Name(Channel));
break;
case 'k': /* Channel key */
- if (! set) {
+ if (!set) {
if (modeok)
x[0] = *mode_ptr;
else
- ok = IRC_WriteStrClient(Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID(Origin), Channel_Name(Channel));
+ connected = IRC_WriteStrClient(Origin,
+ ERR_CHANOPRIVSNEEDED_MSG,
+ Client_ID(Origin),
+ Channel_Name(Channel));
break;
}
if (arg_arg > mode_arg) {
if (modeok) {
Channel_ModeDel(Channel, 'k');
- Channel_SetKey(Channel, Req->argv[arg_arg]);
- strlcpy(argadd, Channel_Key(Channel), sizeof(argadd));
+ Channel_SetKey(Channel,
+ Req->argv[arg_arg]);
+ strlcpy(argadd, Channel_Key(Channel),
+ sizeof(argadd));
x[0] = *mode_ptr;
} else {
- ok = IRC_WriteStrClient(Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID(Origin), Channel_Name(Channel));
+ connected = IRC_WriteStrClient(Origin,
+ ERR_CHANOPRIVSNEEDED_MSG,
+ Client_ID(Origin),
+ Channel_Name(Channel));
}
Req->argv[arg_arg][0] = '\0';
arg_arg++;
} else {
- ok = IRC_WriteStrClient(Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID(Origin), Req->command);
+ connected = IRC_WriteStrClient(Origin,
+ ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Origin), Req->command);
+ goto chan_exit;
}
break;
case 'l': /* Member limit */
if (modeok)
x[0] = *mode_ptr;
else
- ok = IRC_WriteStrClient(Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID(Origin), Channel_Name(Channel));
+ connected = IRC_WriteStrClient(Origin,
+ ERR_CHANOPRIVSNEEDED_MSG,
+ Client_ID(Origin),
+ Channel_Name(Channel));
break;
}
if (arg_arg > mode_arg) {
if (l > 0 && l < 0xFFFF) {
Channel_ModeDel(Channel, 'l');
Channel_SetMaxUsers(Channel, l);
- snprintf(argadd, sizeof(argadd), "%ld", l);
+ snprintf(argadd, sizeof(argadd),
+ "%ld", l);
x[0] = *mode_ptr;
}
} else {
- ok = IRC_WriteStrClient(Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID(Origin), Channel_Name(Channel));
+ connected = IRC_WriteStrClient(Origin,
+ ERR_CHANOPRIVSNEEDED_MSG,
+ Client_ID(Origin),
+ Channel_Name(Channel));
}
Req->argv[arg_arg][0] = '\0';
arg_arg++;
} else {
- ok = IRC_WriteStrClient(Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID(Origin), Req->command);
+ connected = IRC_WriteStrClient(Origin,
+ ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Origin), Req->command);
+ goto chan_exit;
}
break;
case 'P': /* Persistent channel */
if (modeok) {
/* Only IRC operators are allowed to
* set the 'P' channel mode! */
- if (set && !(Client_OperByMe(Client) || Client_Type(Client) == CLIENT_SERVER))
- ok = IRC_WriteStrClient(Origin, ERR_NOPRIVILEGES_MSG, Client_ID(Origin));
+ if (set && !(Client_OperByMe(Client)
+ || Client_Type(Client) == CLIENT_SERVER))
+ connected = IRC_WriteStrClient(Origin,
+ ERR_NOPRIVILEGES_MSG,
+ Client_ID(Origin));
else
- x[0] = 'P';
+ x[0] = 'P';
} else
- ok = IRC_WriteStrClient(Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID(Origin), Channel_Name(Channel));
+ connected = IRC_WriteStrClient(Origin,
+ ERR_CHANOPRIVSNEEDED_MSG,
+ Client_ID(Origin),
+ Channel_Name(Channel));
break;
/* --- Channel user modes --- */
case 'o': /* Channel operator */
if (client)
x[0] = *mode_ptr;
else
- ok = IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, Client_ID(Client), Req->argv[arg_arg]);
+ connected = IRC_WriteStrClient(Client,
+ ERR_NOSUCHNICK_MSG,
+ Client_ID(Client),
+ Req->argv[arg_arg]);
} else {
- ok = IRC_WriteStrClient(Origin, ERR_CHANOPRIVSNEEDED_MSG, Client_ID(Origin), Channel_Name(Channel));
+ connected = IRC_WriteStrClient(Origin,
+ ERR_CHANOPRIVSNEEDED_MSG,
+ Client_ID(Origin),
+ Channel_Name(Channel));
}
Req->argv[arg_arg][0] = '\0';
arg_arg++;
} else {
- ok = IRC_WriteStrClient(Origin, ERR_NEEDMOREPARAMS_MSG, Client_ID(Origin), Req->command);
+ connected = IRC_WriteStrClient(Origin,
+ ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Origin), Req->command);
+ goto chan_exit;
}
break;
/* --- Channel lists --- */
if (arg_arg > mode_arg) {
/* modify list */
if (modeok) {
- ok = set ? Add_Ban_Invite(*mode_ptr, Origin, Client, Channel, Req->argv[arg_arg])
- : Del_Ban_Invite(*mode_ptr, Origin, Client, Channel, Req->argv[arg_arg]);
+ connected = set
+ ? Add_Ban_Invite(*mode_ptr, Origin,
+ Client, Channel,
+ Req->argv[arg_arg])
+ : Del_Ban_Invite(*mode_ptr, Origin,
+ Client, Channel,
+ Req->argv[arg_arg]);
} else {
- ok = IRC_WriteStrClient(Origin, ERR_CHANOPRIVSNEEDED_MSG,
- Client_ID(Origin), Channel_Name(Channel));
+ connected = IRC_WriteStrClient(Origin,
+ ERR_CHANOPRIVSNEEDED_MSG,
+ Client_ID(Origin),
+ Channel_Name(Channel));
}
Req->argv[arg_arg][0] = '\0';
arg_arg++;
}
break;
default:
- Log(LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\" on %s!?",
- set ? '+' : '-', *mode_ptr, Client_ID(Origin), Channel_Name(Channel));
+ Log(LOG_DEBUG,
+ "Unknown mode \"%c%c\" from \"%s\" on %s!?",
+ set ? '+' : '-', *mode_ptr, Client_ID(Origin),
+ Channel_Name(Channel));
if (Client_Type(Client) != CLIENT_SERVER)
- ok = IRC_WriteStrClient(Origin, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID(Origin), set ? '+' : '-', *mode_ptr);
+ connected = IRC_WriteStrClient(Origin,
+ ERR_UMODEUNKNOWNFLAG2_MSG,
+ Client_ID(Origin),
+ set ? '+' : '-', *mode_ptr);
x[0] = '\0';
goto chan_exit;
- } /* switch() */
+ } /* switch() */
- if (!ok)
+ if (!connected)
break;
/* Is there a valid mode change? */
/* Validate target client */
if (client && (!Channel_IsMemberOf(Channel, client))) {
- if (!IRC_WriteStrClient(Origin, ERR_USERNOTINCHANNEL_MSG,
- Client_ID(Origin), Client_ID(client), Channel_Name(Channel)))
- break;
+ if (!IRC_WriteStrClient
+ (Origin, ERR_USERNOTINCHANNEL_MSG,
+ Client_ID(Origin), Client_ID(client),
+ Channel_Name(Channel)))
+ break;
continue;
}
if (client) {
/* Channel-User-Mode */
- retval = set ? Channel_UserModeAdd(Channel, client, x[0]) : Channel_UserModeDel(Channel, client, x[0]);
+ retval = set
+ ? Channel_UserModeAdd(Channel, client, x[0])
+ : Channel_UserModeDel(Channel, client, x[0]);
if (retval) {
strlcat(the_args, " ", sizeof(the_args));
- strlcat(the_args, Client_ID(client), sizeof(the_args));
+ strlcat(the_args, Client_ID(client),
+ sizeof(the_args));
strlcat(the_modes, x, sizeof(the_modes));
- Log(LOG_DEBUG, "User \"%s\": Mode change on %s, now \"%s\"",
- Client_Mask(client), Channel_Name(Channel), Channel_UserModes(Channel, client));
+ LogDebug
+ ("User \"%s\": Mode change on %s, now \"%s\"",
+ Client_Mask(client), Channel_Name(Channel),
+ Channel_UserModes(Channel, client));
}
} else {
/* Channel-Mode */
- retval = set ? Channel_ModeAdd(Channel, x[0]) : Channel_ModeDel(Channel, x[0]);
+ retval = set
+ ? Channel_ModeAdd(Channel, x[0])
+ : Channel_ModeDel(Channel, x[0]);
if (retval) {
strlcat(the_modes, x, sizeof(the_modes));
- Log(LOG_DEBUG, "Channel %s: Mode change, now \"%s\".", Channel_Name(Channel), Channel_Modes(Channel));
+ LogDebug("Channel %s: Mode change, now \"%s\".",
+ Channel_Name(Channel),
+ Channel_Modes(Channel));
}
}
strlcat(the_args, argadd, sizeof(the_args));
}
}
-chan_exit:
+
+ chan_exit:
/* Are there changed modes? */
if (the_modes[1]) {
/* Clean up mode string */
the_modes[len] = '\0';
if (Client_Type(Client) == CLIENT_SERVER) {
- /* Forward mode changes to channel users and other servers */
- IRC_WriteStrServersPrefix(Client, Origin, "MODE %s %s%s", Channel_Name( Channel ), the_modes, the_args);
- IRC_WriteStrChannelPrefix(Client, Channel, Origin, false, "MODE %s %s%s", Channel_Name(Channel), the_modes, the_args);
+ /* MODE requests for local channels from other servers
+ * are definitely invalid! */
+ if (Channel_IsLocal(Channel)) {
+ Log(LOG_ALERT, "Got remote MODE command for local channel!? Ignored.");
+ return CONNECTED;
+ }
+
+ /* Forward mode changes to channel users and all the
+ * other remote servers: */
+ IRC_WriteStrServersPrefix(Client, Origin,
+ "MODE %s %s%s", Channel_Name(Channel),
+ the_modes, the_args);
+ IRC_WriteStrChannelPrefix(Client, Channel, Origin,
+ false, "MODE %s %s%s", Channel_Name(Channel),
+ the_modes, the_args);
} else {
if (use_servermode)
Origin = Client_ThisServer();
/* Send reply to client and inform other servers and channel users */
- ok = IRC_WriteStrClientPrefix(Client, Origin, "MODE %s %s%s",
- Channel_Name(Channel), the_modes, the_args);
- IRC_WriteStrServersPrefix(Client, Origin, "MODE %s %s%s",
- Channel_Name(Channel), the_modes, the_args);
- IRC_WriteStrChannelPrefix(Client, Channel, Origin, false, "MODE %s %s%s",
- Channel_Name(Channel), the_modes, the_args);
+ connected = IRC_WriteStrClientPrefix(Client, Origin,
+ "MODE %s %s%s", Channel_Name(Channel),
+ the_modes, the_args);
+ /* Only forward requests for non-local channels */
+ if (!Channel_IsLocal(Channel))
+ IRC_WriteStrServersPrefix(Client, Origin,
+ "MODE %s %s%s", Channel_Name(Channel),
+ the_modes, the_args);
+ IRC_WriteStrChannelPrefix(Client, Channel, Origin,
+ false, "MODE %s %s%s", Channel_Name(Channel),
+ the_modes, the_args);
}
}
IRC_SetPenalty(Client, 1);
- return CONNECTED;
+ return connected;
} /* Channel_Mode */
assert( Client != NULL );
assert( Req != NULL );
- /* Falsche Anzahl Parameter? */
if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
if(( Req->argc == 1 ) && (Req->argv[0][0] ))
{
- /* AWAY setzen */
Client_SetAway( Client, Req->argv[0] );
Client_ModeAdd( Client, 'a' );
IRC_WriteStrServersPrefix( Client, Client, "MODE %s :+a", Client_ID( Client ));
}
else
{
- /* AWAY loeschen */
Client_ModeDel( Client, 'a' );
IRC_WriteStrServersPrefix( Client, Client, "MODE %s :-a", Client_ID( Client ));
return IRC_WriteStrClient( Client, RPL_UNAWAY_MSG, Client_ID( Client ));
static bool
-Send_ListChange( char *Mode, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, const char *Mask )
+Send_ListChange(const char *Mode, CLIENT *Prefix, CLIENT *Client,
+ CHANNEL *Channel, const char *Mask)
{
- /* Bestaetigung an Client schicken & andere Server sowie Channel-User informieren */
-
bool ok;
if( Client_Type( Client ) == CLIENT_USER )
{
- /* Bestaetigung an Client */
+ /* send confirmation to client */
ok = IRC_WriteStrClientPrefix( Client, Prefix, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
}
else ok = true;
- /* an andere Server */
+ /* to other servers */
IRC_WriteStrServersPrefix( Client, Prefix, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
- /* und lokale User im Channel */
+ /* and local users in channel */
IRC_WriteStrChannelPrefix( Client, Channel, Prefix, false, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
return ok;
projects / ngircd-alex.git / blobdiff