mirror of
https://github.com/matrix-construct/construct
synced 2024-12-26 07:23:53 +01:00
103 lines
3.7 KiB
C++
103 lines
3.7 KiB
C++
/*
|
|
* charybdis: an advanced ircd.
|
|
* parse.c: The message parser.
|
|
*
|
|
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
|
|
* Copyright (C) 1996-2002 Hybrid Development Team
|
|
* Copyright (C) 2002-2005 ircd-ratbox development team
|
|
* Copyright (C) 2007-2016 William Pitcock
|
|
*
|
|
* 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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
|
|
* USA
|
|
*/
|
|
|
|
thread_local
|
|
decltype(ircd::spirit::rule_buffer)
|
|
ircd::spirit::rule_buffer;
|
|
|
|
thread_local
|
|
decltype(ircd::spirit::generator_state)
|
|
ircd::spirit::generator_state;
|
|
|
|
//
|
|
// Museum of historical comments
|
|
//
|
|
// parse.c (1990 - 2016)
|
|
//
|
|
|
|
/* ok, fake prefix happens naturally during a burst on a nick
|
|
* collision with TS5, we cant kill them because one client has to
|
|
* survive, so we just send an error.
|
|
*/
|
|
|
|
/* meepfoo is a nickname (ignore)
|
|
* #XXXXXXXX is a UID (KILL)
|
|
* #XX is a SID (SQUIT)
|
|
* meep.foo is a server (SQUIT)
|
|
*/
|
|
/*
|
|
* *WARNING*
|
|
* Numerics are mostly error reports. If there is something
|
|
* wrong with the message, just *DROP* it! Don't even think of
|
|
* sending back a neat error message -- big danger of creating
|
|
* a ping pong error message...
|
|
*/
|
|
|
|
/*
|
|
* Prepare the parameter portion of the message into 'buffer'.
|
|
* (Because the buffer is twice as large as the message buffer
|
|
* for the socket, no overflow can occur here... ...on current
|
|
* assumptions--bets are off, if these are changed --msa)
|
|
* Note: if buffer is non-empty, it will begin with SPACE.
|
|
*/
|
|
|
|
/*
|
|
* We shouldn't get numerics sent to us,
|
|
* any numerics we do get indicate a bug somewhere..
|
|
*/
|
|
|
|
/* ugh. this is here because of nick collisions. when two servers
|
|
* relink, they burst each other their nicks, then perform collides.
|
|
* if there is a nick collision, BOTH servers will kill their own
|
|
* nicks, and BOTH will kill the other servers nick, which wont exist,
|
|
* because it will have been already killed by the local server.
|
|
*
|
|
* unfortunately, as we cant guarantee other servers will do the
|
|
* "right thing" on a nick collision, we have to keep both kills.
|
|
* ergo we need to ignore ERR_NOSUCHNICK. --fl_
|
|
*/
|
|
|
|
/* quick comment. This _was_ tried. i.e. assume the other servers
|
|
* will do the "right thing" and kill a nick that is colliding.
|
|
* unfortunately, it did not work. --Dianora
|
|
*/
|
|
|
|
/* note, now we send PING on server connect, we can
|
|
* also get ERR_NOSUCHSERVER..
|
|
*/
|
|
|
|
/* This message changed direction (nick collision?)
|
|
* ignore it.
|
|
*/
|
|
|
|
/* csircd will send out unknown umode flag for +a (admin), drop it here. */
|
|
|
|
/* Fake it for server hiding, if its our client */
|
|
|
|
/* bit of a hack.
|
|
* I don't =really= want to waste a bit in a flag
|
|
* number_of_nick_changes is only really valid after the client
|
|
* is fully registered..
|
|
*/
|