110 lines
3.8 KiB
C++
110 lines
3.8 KiB
C++
/*
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* charybdis: an advanced ircd.
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* parse.c: The message parser.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2005 ircd-ratbox development team
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* Copyright (C) 2007-2016 William Pitcock
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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thread_local
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decltype(ircd::spirit::rule_buffer)
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ircd::spirit::rule_buffer
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alignas(64);
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thread_local
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decltype(ircd::spirit::generator_state)
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ircd::spirit::generator_state;
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thread_local
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decltype(ircd::spirit::generator_buffer)
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ircd::spirit::generator_buffer
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alignas(64);
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//
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// Museum of historical comments
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//
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// parse.c (1990 - 2016)
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//
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/* ok, fake prefix happens naturally during a burst on a nick
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* collision with TS5, we cant kill them because one client has to
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* survive, so we just send an error.
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*/
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/* meepfoo is a nickname (ignore)
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* #XXXXXXXX is a UID (KILL)
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* #XX is a SID (SQUIT)
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* meep.foo is a server (SQUIT)
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*/
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/*
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* *WARNING*
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* Numerics are mostly error reports. If there is something
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* wrong with the message, just *DROP* it! Don't even think of
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* sending back a neat error message -- big danger of creating
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* a ping pong error message...
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*/
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/*
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* Prepare the parameter portion of the message into 'buffer'.
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* (Because the buffer is twice as large as the message buffer
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* for the socket, no overflow can occur here... ...on current
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* assumptions--bets are off, if these are changed --msa)
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* Note: if buffer is non-empty, it will begin with SPACE.
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*/
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/*
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* We shouldn't get numerics sent to us,
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* any numerics we do get indicate a bug somewhere..
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*/
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/* ugh. this is here because of nick collisions. when two servers
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* relink, they burst each other their nicks, then perform collides.
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* if there is a nick collision, BOTH servers will kill their own
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* nicks, and BOTH will kill the other servers nick, which wont exist,
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* because it will have been already killed by the local server.
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*
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* unfortunately, as we cant guarantee other servers will do the
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* "right thing" on a nick collision, we have to keep both kills.
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* ergo we need to ignore ERR_NOSUCHNICK. --fl_
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*/
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/* quick comment. This _was_ tried. i.e. assume the other servers
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* will do the "right thing" and kill a nick that is colliding.
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* unfortunately, it did not work. --Dianora
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*/
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/* note, now we send PING on server connect, we can
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* also get ERR_NOSUCHSERVER..
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*/
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/* This message changed direction (nick collision?)
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* ignore it.
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*/
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/* csircd will send out unknown umode flag for +a (admin), drop it here. */
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/* Fake it for server hiding, if its our client */
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/* bit of a hack.
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* I don't =really= want to waste a bit in a flag
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* number_of_nick_changes is only really valid after the client
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* is fully registered..
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*/
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