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Implement user mode "F": "relaxed flood protection" 

ngIRCd relaxes its flood protection for users having the user mode "F" set
and allows them to rapidly send data to the daemon. This mode is only
settable by IRC Operators and can cause problems in the network -- so be
careful and only set it on "trusted" clients!

User mode "F" is used by Bahamut for this purpose, for example, see
<http://docs.dal.net/docs/modes.html#4.9>.
This commit is contained in:
Alexander Barton 2014-03-18 14:55:38 +01:00
parent 35f1db5f28
commit 5713c49c84
4 changed files with 15 additions and 4 deletions
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3
doc/Modes.txt
View File

@ -2,7 +2,7 @@
ngIRCd - Next Generation IRC Server
http://ngircd.barton.de/
(c)2001-2012 Alexander Barton and Contributors.
(c)2001-2014 Alexander Barton and Contributors.
ngIRCd is free software and published under the
terms of the GNU General Public License.
@ -26,6 +26,7 @@ channels he is using at the moment.
B 20 User is flagged as a "bot".
c 17 IRC operator wants to receive connect/disconnect NOTICEs.
C 19 Only users that share a channel are allowed to send messages.
F 22 Relaxed flood protection (only settable by IRC Operators).
i 0.0.1 User is "invisible".
o 0.0.1 User is IRC operator.
q 20 User is protected, can not be kicked from a channel.

11
src/ngircd/conn.c
View File

@ -1693,7 +1693,12 @@ Handle_Buffer(CONN_ID Idx)
maxcmd *= 5;
break;
case CLIENT_SERVICE:
maxcmd = MAX_COMMANDS_SERVICE; break;
maxcmd = MAX_COMMANDS_SERVICE;
break;
case CLIENT_USER:
if (Client_HasMode(c, 'F'))
maxcmd = MAX_COMMANDS_SERVICE;
break;
}
for (i=0; i < maxcmd; i++) {
@ -2427,6 +2432,10 @@ Throttle_Connection(const CONN_ID Idx, CLIENT *Client, const int Reason,
|| Client_Type(Client) == CLIENT_SERVICE)
return;
/* Don't throttle clients with user mode 'F' set */
if (Client_HasMode(Client, 'F'))
return;
LogDebug("Throttling connection %d: code %d, value %d!", Idx,
Reason, Value);
Conn_SetPenalty(Idx, 1);

4
src/ngircd/defines.h
View File

@ -1,6 +1,6 @@
/*
* ngIRCd -- The Next Generation IRC Daemon
* Copyright (c)2001-2013 Alexander Barton (alex@barton.de) and Contributors.
* 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
@ -173,7 +173,7 @@
#endif
/** Supported user modes. */
#define USERMODES "abBcCioqrRswx"
#define USERMODES "abBcCFioqrRswx"
/** Supported channel modes. */
#define CHANMODES "abehiIklmMnoOPqQrRstvVz"

1
src/ngircd/irc-mode.c
View File

@ -222,6 +222,7 @@ Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
break;
case 'c': /* Receive connect notices */
case 'q': /* KICK-protected user */
case 'F': /* disable flood protection */
/* (only settable by IRC operators!) */
if (!set || Client_Type(Client) == CLIENT_SERVER
|| Client_HasMode(Origin, 'o'))