mirror of
https://github.com/matrix-construct/construct
synced 2024-11-26 08:42:34 +01:00
Trying to fix packet.c
This commit is contained in:
Valery Yatsko
parent
87116eca09
commit
4714a17f54
3 changed files with 363 additions and 478 deletions
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@ -627,6 +627,7 @@ extern void close_connection(struct Client *);
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extern void init_uid(void);
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extern char *generate_uid(void);
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void flood_endgrace(struct Client *);
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void allocate_away(struct Client *);
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void free_away(struct Client *);
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@ -46,9 +46,8 @@
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#define MAX_FLOOD 5
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#define MAX_FLOOD_BURST MAX_FLOOD * 8
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extern PF read_ctrl_packet;
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extern PF read_packet;
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extern PF flood_recalc;
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extern void flood_endgrace(struct Client *);
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extern PF read_ctrl_packet;
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extern PF read_packet;
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extern EVH flood_recalc;
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#endif /* INCLUDED_packet_h */
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833
src/packet.c
833
src/packet.c
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@ -1,474 +1,359 @@
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/*
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* ircd-ratbox: A slightly useful ircd.
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* packet.c: Packet handlers.
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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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*
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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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* $Id: packet.c 3446 2007-05-14 22:21:16Z jilles $
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*/
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#include "stdinc.h"
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#include "s_conf.h"
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#include "s_serv.h"
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#include "client.h"
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#include "common.h"
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#include "ircd.h"
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#include "parse.h"
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#include "packet.h"
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#include "irc_string.h"
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#include "hook.h"
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#include "send.h"
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static char readBuf[READBUF_SIZE];
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static void client_dopacket(struct Client *client_p, char *buffer, size_t length);
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/*
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* parse_client_queued - parse client queued messages
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*/
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static void
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parse_client_queued(struct Client *client_p)
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{
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int dolen = 0;
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int checkflood = 1;
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if(IsAnyDead(client_p))
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return;
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if(IsUnknown(client_p))
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{
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for (;;)
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{
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if(client_p->localClient->sent_parsed >= client_p->localClient->allow_read)
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break;
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dolen = linebuf_get(&client_p->localClient->
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buf_recvq, readBuf, READBUF_SIZE,
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LINEBUF_COMPLETE, LINEBUF_PARSED);
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if(dolen <= 0 || IsDead(client_p))
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break;
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client_dopacket(client_p, readBuf, dolen);
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client_p->localClient->sent_parsed++;
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/* He's dead cap'n */
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if(IsAnyDead(client_p))
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return;
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/* if theyve dropped out of the unknown state, break and move
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* to the parsing for their appropriate status. --fl
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*/
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if(!IsUnknown(client_p))
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{
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/* reset their flood limits, they're now
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* graced to flood
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*/
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client_p->localClient->sent_parsed = 0;
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break;
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}
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}
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}
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if(IsAnyServer(client_p) || IsExemptFlood(client_p))
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{
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while (!IsAnyDead(client_p) && (dolen = linebuf_get(&client_p->localClient->buf_recvq,
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readBuf, READBUF_SIZE, LINEBUF_COMPLETE,
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LINEBUF_PARSED)) > 0)
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{
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client_dopacket(client_p, readBuf, dolen);
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}
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}
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else if(IsClient(client_p))
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{
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if(IsOper(client_p) && ConfigFileEntry.no_oper_flood)
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checkflood = 0;
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/*
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* Handle flood protection here - if we exceed our flood limit on
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* messages in this loop, we simply drop out of the loop prematurely.
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* -- adrian
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*/
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for (;;)
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{
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/* This flood protection works as follows:
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*
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* A client is given allow_read lines to send to the server. Every
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* time a line is parsed, sent_parsed is increased. sent_parsed
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* is decreased by 1 every time flood_recalc is called.
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*
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* Thus a client can 'burst' allow_read lines to the server, any
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* excess lines will be parsed one per flood_recalc() call.
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*
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* Therefore a client will be penalised more if they keep flooding,
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* as sent_parsed will always hover around the allow_read limit
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* and no 'bursts' will be permitted.
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*/
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if(checkflood)
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{
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if(client_p->localClient->sent_parsed >= client_p->localClient->allow_read)
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break;
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}
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/* allow opers 4 times the amount of messages as users. why 4?
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* why not. :) --fl_
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*/
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else if(client_p->localClient->sent_parsed >= (4 * client_p->localClient->allow_read))
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break;
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dolen = linebuf_get(&client_p->localClient->
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buf_recvq, readBuf, READBUF_SIZE,
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LINEBUF_COMPLETE, LINEBUF_PARSED);
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if(!dolen)
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break;
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client_dopacket(client_p, readBuf, dolen);
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if(IsAnyDead(client_p))
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return;
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client_p->localClient->sent_parsed++;
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}
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}
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}
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/* flood_endgrace()
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*
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* marks the end of the clients grace period
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*/
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void
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flood_endgrace(struct Client *client_p)
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{
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SetFloodDone(client_p);
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/* Drop their flood limit back down */
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client_p->localClient->allow_read = MAX_FLOOD;
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/* sent_parsed could be way over MAX_FLOOD but under MAX_FLOOD_BURST,
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* so reset it.
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*/
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client_p->localClient->sent_parsed = 0;
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}
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/*
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* flood_recalc
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*
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* recalculate the number of allowed flood lines. this should be called
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* once a second on any given client. We then attempt to flush some data.
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*/
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void
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flood_recalc(int fd, void *data)
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{
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struct Client *client_p = data;
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struct LocalUser *lclient_p = client_p->localClient;
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/* This can happen in the event that the client detached. */
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if(!lclient_p)
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return;
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/* allow a bursting client their allocation per second, allow
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* a client whos flooding an extra 2 per second
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*/
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if(IsFloodDone(client_p))
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lclient_p->sent_parsed -= 2;
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else
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lclient_p->sent_parsed = 0;
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if(lclient_p->sent_parsed < 0)
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lclient_p->sent_parsed = 0;
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if(--lclient_p->actually_read < 0)
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lclient_p->actually_read = 0;
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parse_client_queued(client_p);
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if(IsAnyDead(client_p))
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return;
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/* and finally, reset the flood check */
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rb_setflush(fd, 1000, flood_recalc, client_p);
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}
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/*
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* read_ctrl_packet - Read a 'packet' of data from a servlink control
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* link and process it.
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*/
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void
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read_ctrl_packet(int fd, void *data)
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{
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struct Client *server = data;
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struct LocalUser *lserver = server->localClient;
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struct SlinkRpl *reply;
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int length = 0;
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unsigned char tmp[2];
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unsigned char *len = tmp;
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struct SlinkRplDef *replydef;
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#ifdef USE_IODEBUG_HOOKS
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hook_data_int hdata;
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#endif
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s_assert(lserver != NULL);
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if(IsAnyDead(server))
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return;
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reply = &lserver->slinkrpl;
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if(!reply->command)
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{
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reply->gotdatalen = 0;
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reply->readdata = 0;
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reply->data = NULL;
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length = read(fd, tmp, 1);
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if(length <= 0)
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{
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if((length == -1) && ignoreErrno(errno))
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goto nodata;
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error_exit_client(server, length);
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return;
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}
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reply->command = tmp[0];
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}
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for (replydef = slinkrpltab; replydef->handler; replydef++)
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{
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if((int)replydef->replyid == reply->command)
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break;
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}
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/* we should be able to trust a local slink process...
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* and if it sends an invalid command, that's a bug.. */
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s_assert(replydef->handler);
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if((replydef->flags & SLINKRPL_FLAG_DATA) && (reply->gotdatalen < 2))
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{
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/* we need a datalen u16 which we don't have yet... */
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length = read(fd, len, (2 - reply->gotdatalen));
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if(length <= 0)
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{
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if((length == -1) && ignoreErrno(errno))
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goto nodata;
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error_exit_client(server, length);
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return;
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}
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if(reply->gotdatalen == 0)
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{
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reply->datalen = *len << 8;
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reply->gotdatalen++;
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length--;
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len++;
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}
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if(length && (reply->gotdatalen == 1))
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{
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reply->datalen |= *len;
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reply->gotdatalen++;
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if(reply->datalen > 0)
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reply->data = rb_malloc(reply->datalen);
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}
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if(reply->gotdatalen < 2)
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return; /* wait for more data */
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}
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if(reply->readdata < reply->datalen) /* try to get any remaining data */
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{
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length = read(fd, (reply->data + reply->readdata),
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(reply->datalen - reply->readdata));
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if(length <= 0)
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{
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if((length == -1) && ignoreErrno(errno))
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goto nodata;
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error_exit_client(server, length);
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return;
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}
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reply->readdata += length;
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if(reply->readdata < reply->datalen)
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return; /* wait for more data */
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}
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#ifdef USE_IODEBUG_HOOKS
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hdata.client = server;
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hdata.arg1 = NULL;
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hdata.arg2 = reply->command;
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hdata.data = NULL;
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call_hook(h_iorecvctrl_id, &hdata);
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#endif
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/* we now have the command and any data, pass it off to the handler */
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(*replydef->handler) (reply->command, reply->datalen, reply->data, server);
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/* reset SlinkRpl */
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if(reply->datalen > 0)
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rb_free(reply->data);
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reply->command = 0;
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if(IsAnyDead(server))
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return;
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nodata:
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/* If we get here, we need to register for another COMM_SELECT_READ */
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rb_setselect(fd, FDLIST_SERVER, COMM_SELECT_READ, read_ctrl_packet, server, 0);
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}
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/*
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* read_packet - Read a 'packet' of data from a connection and process it.
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*/
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void
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read_packet(int fd, void *data)
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{
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struct Client *client_p = data;
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struct LocalUser *lclient_p = client_p->localClient;
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int length = 0;
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int lbuf_len;
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int binary = 0;
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#ifdef USE_IODEBUG_HOOKS
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hook_data_int hdata;
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#endif
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if(IsAnyDead(client_p))
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return;
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/*
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* Read some data. We *used to* do anti-flood protection here, but
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* I personally think it makes the code too hairy to make sane.
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* -- adrian
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*/
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length = client_p->localClient->F->read_impl(client_p->localClient->F, readBuf, READBUF_SIZE);
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if(length <= 0)
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{
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if((length == -1) && ignoreErrno(errno))
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{
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rb_setselect(client_p->localClient->F->fd, FDLIST_IDLECLIENT,
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COMM_SELECT_READ, read_packet, client_p, 0);
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return;
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}
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error_exit_client(client_p, length);
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return;
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}
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#ifdef USE_IODEBUG_HOOKS
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hdata.client = client_p;
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hdata.arg1 = readBuf;
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hdata.arg2 = length;
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call_hook(h_iorecv_id, &hdata);
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#endif
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if(client_p->localClient->lasttime < rb_current_time())
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client_p->localClient->lasttime = rb_current_time();
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client_p->flags &= ~FLAGS_PINGSENT;
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/*
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* Before we even think of parsing what we just read, stick
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* it on the end of the receive queue and do it when its
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* turn comes around.
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*/
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if(IsHandshake(client_p) || IsUnknown(client_p))
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binary = 1;
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lbuf_len = linebuf_parse(&client_p->localClient->buf_recvq, readBuf, length, binary);
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lclient_p->actually_read += lbuf_len;
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if(IsAnyDead(client_p))
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return;
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/* Attempt to parse what we have */
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parse_client_queued(client_p);
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if(IsAnyDead(client_p))
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return;
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/* Check to make sure we're not flooding */
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if(!IsAnyServer(client_p) &&
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(linebuf_alloclen(&client_p->localClient->buf_recvq) > ConfigFileEntry.client_flood))
|
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{
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if(!(ConfigFileEntry.no_oper_flood && IsOper(client_p)))
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{
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exit_client(client_p, client_p, client_p, "Excess Flood");
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return;
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}
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}
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/* If we get here, we need to register for another COMM_SELECT_READ */
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if(PARSE_AS_SERVER(client_p))
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{
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rb_setselect(client_p->localClient->F->fd, FDLIST_SERVER, COMM_SELECT_READ,
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read_packet, client_p, 0);
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}
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else
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{
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rb_setselect(client_p->localClient->F->fd, FDLIST_IDLECLIENT,
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COMM_SELECT_READ, read_packet, client_p, 0);
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}
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}
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/*
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* client_dopacket - copy packet to client buf and parse it
|
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* client_p - pointer to client structure for which the buffer data
|
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* applies.
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* buffer - pointr to the buffer containing the newly read data
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* length - number of valid bytes of data in the buffer
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*
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* Note:
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* It is implicitly assumed that dopacket is called only
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* with client_p of "local" variation, which contains all the
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* necessary fields (buffer etc..)
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*/
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void
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client_dopacket(struct Client *client_p, char *buffer, size_t length)
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{
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s_assert(client_p != NULL);
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s_assert(buffer != NULL);
|
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|
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if(client_p == NULL || buffer == NULL)
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return;
|
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if(IsAnyDead(client_p))
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return;
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/*
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* Update messages received
|
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*/
|
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++me.localClient->receiveM;
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++client_p->localClient->receiveM;
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/*
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* Update bytes received
|
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*/
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client_p->localClient->receiveB += length;
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|
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if(client_p->localClient->receiveB > 1023)
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{
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client_p->localClient->receiveK += (client_p->localClient->receiveB >> 10);
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client_p->localClient->receiveB &= 0x03ff; /* 2^10 = 1024, 3ff = 1023 */
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}
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|
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me.localClient->receiveB += length;
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|
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if(me.localClient->receiveB > 1023)
|
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{
|
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me.localClient->receiveK += (me.localClient->receiveB >> 10);
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me.localClient->receiveB &= 0x03ff;
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}
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parse(client_p, buffer, buffer + length);
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}
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/*
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* ircd-ratbox: A slightly useful ircd.
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* packet.c: Packet handlers.
|
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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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*
|
||||
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
|
||||
* USA
|
||||
*
|
||||
* $Id: packet.c 25179 2008-03-30 16:34:57Z androsyn $
|
||||
*/
|
||||
#include "stdinc.h"
|
||||
#include "struct.h"
|
||||
#include "s_conf.h"
|
||||
#include "s_serv.h"
|
||||
#include "client.h"
|
||||
#include "ircd.h"
|
||||
#include "parse.h"
|
||||
#include "packet.h"
|
||||
#include "match.h"
|
||||
#include "hook.h"
|
||||
#include "send.h"
|
||||
|
||||
static char readBuf[READBUF_SIZE];
|
||||
static void client_dopacket(struct Client *client_p, char *buffer, size_t length);
|
||||
|
||||
|
||||
/*
|
||||
* parse_client_queued - parse client queued messages
|
||||
*/
|
||||
static void
|
||||
parse_client_queued(struct Client *client_p)
|
||||
{
|
||||
int dolen = 0;
|
||||
int checkflood = 1;
|
||||
|
||||
if(IsAnyDead(client_p))
|
||||
return;
|
||||
|
||||
if(IsUnknown(client_p))
|
||||
{
|
||||
for (;;)
|
||||
{
|
||||
if(client_p->localClient->sent_parsed >= client_p->localClient->allow_read)
|
||||
break;
|
||||
|
||||
dolen = rb_linebuf_get(&client_p->localClient->
|
||||
buf_recvq, readBuf, READBUF_SIZE,
|
||||
LINEBUF_COMPLETE, LINEBUF_PARSED);
|
||||
|
||||
if(dolen <= 0 || IsDead(client_p))
|
||||
break;
|
||||
|
||||
client_dopacket(client_p, readBuf, dolen);
|
||||
client_p->localClient->sent_parsed++;
|
||||
|
||||
/* He's dead cap'n */
|
||||
if(IsAnyDead(client_p))
|
||||
return;
|
||||
/* if theyve dropped out of the unknown state, break and move
|
||||
* to the parsing for their appropriate status. --fl
|
||||
*/
|
||||
if(!IsUnknown(client_p))
|
||||
{
|
||||
/* reset their flood limits, they're now
|
||||
* graced to flood
|
||||
*/
|
||||
client_p->localClient->sent_parsed = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if(IsAnyServer(client_p) || IsExemptFlood(client_p))
|
||||
{
|
||||
while (!IsAnyDead(client_p) && (dolen = rb_linebuf_get(&client_p->localClient->buf_recvq,
|
||||
readBuf, READBUF_SIZE, LINEBUF_COMPLETE,
|
||||
LINEBUF_PARSED)) > 0)
|
||||
{
|
||||
client_dopacket(client_p, readBuf, dolen);
|
||||
}
|
||||
}
|
||||
else if(IsClient(client_p))
|
||||
{
|
||||
|
||||
if(IsOper(client_p) && ConfigFileEntry.no_oper_flood)
|
||||
checkflood = 0;
|
||||
/*
|
||||
* Handle flood protection here - if we exceed our flood limit on
|
||||
* messages in this loop, we simply drop out of the loop prematurely.
|
||||
* -- adrian
|
||||
*/
|
||||
for (;;)
|
||||
{
|
||||
/* This flood protection works as follows:
|
||||
*
|
||||
* A client is given allow_read lines to send to the server. Every
|
||||
* time a line is parsed, sent_parsed is increased. sent_parsed
|
||||
* is decreased by 1 every time flood_recalc is called.
|
||||
*
|
||||
* Thus a client can 'burst' allow_read lines to the server, any
|
||||
* excess lines will be parsed one per flood_recalc() call.
|
||||
*
|
||||
* Therefore a client will be penalised more if they keep flooding,
|
||||
* as sent_parsed will always hover around the allow_read limit
|
||||
* and no 'bursts' will be permitted.
|
||||
*/
|
||||
if(checkflood)
|
||||
{
|
||||
if(client_p->localClient->sent_parsed >= client_p->localClient->allow_read)
|
||||
break;
|
||||
}
|
||||
|
||||
/* allow opers 4 times the amount of messages as users. why 4?
|
||||
* why not. :) --fl_
|
||||
*/
|
||||
else if(client_p->localClient->sent_parsed >= (4 * client_p->localClient->allow_read))
|
||||
break;
|
||||
|
||||
dolen = rb_linebuf_get(&client_p->localClient->
|
||||
buf_recvq, readBuf, READBUF_SIZE,
|
||||
LINEBUF_COMPLETE, LINEBUF_PARSED);
|
||||
|
||||
if(!dolen)
|
||||
break;
|
||||
|
||||
client_dopacket(client_p, readBuf, dolen);
|
||||
if(IsAnyDead(client_p))
|
||||
return;
|
||||
client_p->localClient->sent_parsed++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* flood_recalc
|
||||
*
|
||||
* recalculate the number of allowed flood lines. this should be called
|
||||
* once a second on any given client. We then attempt to flush some data.
|
||||
*/
|
||||
void
|
||||
flood_recalc(void *unused)
|
||||
{
|
||||
rb_dlink_node *ptr, *next;
|
||||
struct Client *client_p;
|
||||
|
||||
RB_DLINK_FOREACH_SAFE(ptr, next, lclient_list.head)
|
||||
{
|
||||
client_p = ptr->data;
|
||||
|
||||
if(unlikely(IsMe(client_p)))
|
||||
continue;
|
||||
|
||||
if(unlikely(client_p->localClient == NULL))
|
||||
continue;
|
||||
|
||||
if(IsFloodDone(client_p))
|
||||
client_p->localClient->sent_parsed -= 2;
|
||||
else
|
||||
client_p->localClient->sent_parsed = 0;
|
||||
|
||||
if(client_p->localClient->sent_parsed < 0)
|
||||
client_p->localClient->sent_parsed = 0;
|
||||
|
||||
if(--client_p->localClient->actually_read < 0)
|
||||
client_p->localClient->actually_read = 0;
|
||||
|
||||
parse_client_queued(client_p);
|
||||
|
||||
if(unlikely(IsAnyDead(client_p)))
|
||||
continue;
|
||||
|
||||
}
|
||||
|
||||
RB_DLINK_FOREACH_SAFE(ptr, next, unknown_list.head)
|
||||
{
|
||||
client_p = ptr->data;
|
||||
|
||||
if(client_p->localClient == NULL)
|
||||
continue;
|
||||
|
||||
client_p->localClient->sent_parsed--;
|
||||
|
||||
if(client_p->localClient->sent_parsed < 0)
|
||||
client_p->localClient->sent_parsed = 0;
|
||||
|
||||
if(--client_p->localClient->actually_read < 0)
|
||||
client_p->localClient->actually_read = 0;
|
||||
|
||||
parse_client_queued(client_p);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* read_packet - Read a 'packet' of data from a connection and process it.
|
||||
*/
|
||||
void
|
||||
read_packet(rb_fde_t *F, void *data)
|
||||
{
|
||||
struct Client *client_p = data;
|
||||
struct LocalUser *lclient_p = client_p->localClient;
|
||||
int length = 0;
|
||||
int lbuf_len;
|
||||
|
||||
int binary = 0;
|
||||
#ifdef USE_IODEBUG_HOOKS
|
||||
hook_data_int hdata;
|
||||
#endif
|
||||
|
||||
|
||||
while(1) /* note..for things like rt sigio to work you *must* loop on read until you get EAGAIN */
|
||||
{
|
||||
if(IsAnyDead(client_p))
|
||||
return;
|
||||
|
||||
/*
|
||||
* Read some data. We *used to* do anti-flood protection here, but
|
||||
* I personally think it makes the code too hairy to make sane.
|
||||
* -- adrian
|
||||
*/
|
||||
length = rb_read(client_p->localClient->F, readBuf, READBUF_SIZE);
|
||||
if(length < 0)
|
||||
{
|
||||
if(rb_ignore_errno(errno))
|
||||
{
|
||||
rb_setselect(client_p->localClient->F,
|
||||
RB_SELECT_READ, read_packet, client_p);
|
||||
} else
|
||||
error_exit_client(client_p, length);
|
||||
return;
|
||||
} else
|
||||
if(length == 0)
|
||||
{
|
||||
error_exit_client(client_p, length);
|
||||
return;
|
||||
}
|
||||
|
||||
#ifdef USE_IODEBUG_HOOKS
|
||||
hdata.client = client_p;
|
||||
hdata.arg1 = readBuf;
|
||||
hdata.arg2 = length;
|
||||
call_hook(h_iorecv_id, &hdata);
|
||||
#endif
|
||||
|
||||
if(client_p->localClient->lasttime < rb_current_time())
|
||||
client_p->localClient->lasttime = rb_current_time();
|
||||
client_p->flags &= ~FLAGS_PINGSENT;
|
||||
|
||||
/*
|
||||
* Before we even think of parsing what we just read, stick
|
||||
* it on the end of the receive queue and do it when its
|
||||
* turn comes around.
|
||||
*/
|
||||
if(IsHandshake(client_p) || IsUnknown(client_p))
|
||||
binary = 1;
|
||||
|
||||
lbuf_len = rb_linebuf_parse(&client_p->localClient->buf_recvq, readBuf, length, binary);
|
||||
|
||||
lclient_p->actually_read += lbuf_len;
|
||||
|
||||
if(IsAnyDead(client_p))
|
||||
return;
|
||||
|
||||
/* Attempt to parse what we have */
|
||||
parse_client_queued(client_p);
|
||||
|
||||
if(IsAnyDead(client_p))
|
||||
return;
|
||||
|
||||
/* Check to make sure we're not flooding */
|
||||
if(!IsAnyServer(client_p) &&
|
||||
(rb_linebuf_alloclen(&client_p->localClient->buf_recvq) > ConfigFileEntry.client_flood))
|
||||
{
|
||||
if(!(ConfigFileEntry.no_oper_flood && IsOper(client_p)))
|
||||
{
|
||||
exit_client(client_p, client_p, client_p, "Excess Flood");
|
||||
return;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/* bail if short read */
|
||||
if(length < READBUF_SIZE)
|
||||
{
|
||||
rb_setselect(client_p->localClient->F, RB_SELECT_READ, read_packet, client_p);
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* client_dopacket - copy packet to client buf and parse it
|
||||
* client_p - pointer to client structure for which the buffer data
|
||||
* applies.
|
||||
* buffer - pointr to the buffer containing the newly read data
|
||||
* length - number of valid bytes of data in the buffer
|
||||
*
|
||||
* Note:
|
||||
* It is implicitly assumed that dopacket is called only
|
||||
* with client_p of "local" variation, which contains all the
|
||||
* necessary fields (buffer etc..)
|
||||
*/
|
||||
void
|
||||
client_dopacket(struct Client *client_p, char *buffer, size_t length)
|
||||
{
|
||||
s_assert(client_p != NULL);
|
||||
s_assert(buffer != NULL);
|
||||
|
||||
if(client_p == NULL || buffer == NULL)
|
||||
return;
|
||||
if(IsAnyDead(client_p))
|
||||
return;
|
||||
/*
|
||||
* Update messages received
|
||||
*/
|
||||
++me.localClient->receiveM;
|
||||
++client_p->localClient->receiveM;
|
||||
|
||||
/*
|
||||
* Update bytes received
|
||||
*/
|
||||
client_p->localClient->receiveB += length;
|
||||
me.localClient->receiveB += length;
|
||||
|
||||
parse(client_p, buffer, buffer + length);
|
||||
}
|
||||
|
||||
/* flood_endgrace()
|
||||
*
|
||||
* marks the end of the clients grace period
|
||||
*/
|
||||
void
|
||||
flood_endgrace(struct Client *client_p)
|
||||
{
|
||||
SetFloodDone(client_p);
|
||||
|
||||
/* Drop their flood limit back down */
|
||||
client_p->localClient->allow_read = MAX_FLOOD;
|
||||
|
||||
/* sent_parsed could be way over MAX_FLOOD but under MAX_FLOOD_BURST,
|
||||
* so reset it.
|
||||
*/
|
||||
client_p->localClient->sent_parsed = 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue