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[READ-ONLY] Mirror of https://github.com/VibeDevelopers/Comet.
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200/* * Comet: a slightly advanced ircd * tgchange.c - code for restricting private messages * * Copyright (C) 2004-2005 Lee Hardy <lee@leeh.co.uk> * Copyright (C) 2005-2010 Jilles Tjoelker <jilles@stack.nl> * Copyright (C) 2004-2005 ircd-ratbox development team * * 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 */
#include "stdinc.h"#include "tgchange.h"#include "channel.h"#include "client.h"#include "s_stats.h"#include "hash.h"#include "s_conf.h"#include "s_newconf.h"#include "s_serv.h"#include "send.h"
static int add_hashed_target(struct Client *source_p, uint32_t hashv);
struct Channel *find_allowing_channel(struct Client *source_p, struct Client *target_p){ rb_dlink_node *ps, *pt; struct membership *ms, *mt; struct Channel *chptr;
ITER_COMM_CHANNELS(ps, pt, source_p->user->channel.head, target_p->user->channel.head, ms, mt, chptr) { if (ms != NULL && mt != NULL && is_chanop_voiced(ms)) return chptr; } return NULL;}
intadd_target(struct Client *source_p, struct Client *target_p){ uint32_t hashv;
/* can msg themselves or services without using any target slots */ if(source_p == target_p || IsService(target_p)) return 1;
/* special condition for those who have had PRIVMSG crippled to allow them * to talk to IRCops still. * * XXX: is this controversial? */ if(source_p->localClient->target_last > rb_current_time() && IsOper(target_p)) return 1;
hashv = fnv_hash_upper((const unsigned char *)use_id(target_p), 32); return add_hashed_target(source_p, hashv);}
intadd_channel_target(struct Client *source_p, struct Channel *chptr){ uint32_t hashv;
if(!ConfigChannel.channel_target_change) return 1;
hashv = fnv_hash_upper((const unsigned char *)chptr->chname, 32); return add_hashed_target(source_p, hashv);}
static intadd_hashed_target(struct Client *source_p, uint32_t hashv){ int i, j; uint32_t *targets;
targets = source_p->localClient->targets;
/* check for existing target, and move it to the head */ for(i = 0; i < TGCHANGE_NUM + TGCHANGE_REPLY; i++) { if(targets[i] == hashv) { for(j = i; j > 0; j--) targets[j] = targets[j - 1]; targets[0] = hashv; return 1; } }
if(source_p->localClient->targets_free < TGCHANGE_NUM) { /* first message after connect, we may only start clearing * slots after this message --anfl */ if(!IsTGChange(source_p)) { SetTGChange(source_p); source_p->localClient->target_last = rb_current_time(); } /* clear as many targets as we can */ else if((i = (rb_current_time() - source_p->localClient->target_last) / 60)) { if(i + source_p->localClient->targets_free > TGCHANGE_NUM) source_p->localClient->targets_free = TGCHANGE_NUM; else source_p->localClient->targets_free += i;
source_p->localClient->target_last = rb_current_time(); } /* cant clear any, full target list */ else if(source_p->localClient->targets_free == 0) { ServerStats.is_tgch++; add_tgchange(source_p->sockhost);
if (!IsTGExcessive(source_p)) { SetTGExcessive(source_p); /* This is sent to L_ALL because it's regenerated on all servers * that have the TGINFO module loaded. */ sendto_realops_snomask(SNO_BOTS, L_ALL, "Excessive target change from %s (%s@%s)", source_p->name, source_p->username, source_p->orighost); }
sendto_match_servs(source_p, "*", CAP_ENCAP, NOCAPS, "ENCAP * TGINFO 0");
return 0; } } /* no targets in use, reset their target_last so that they cant * abuse a long idle to get targets back more quickly */ else { source_p->localClient->target_last = rb_current_time(); SetTGChange(source_p); }
for(i = TGCHANGE_NUM + TGCHANGE_REPLY - 1; i > 0; i--) targets[i] = targets[i - 1]; targets[0] = hashv; source_p->localClient->targets_free--; return 1;}
voidadd_reply_target(struct Client *source_p, struct Client *target_p){ int i, j; uint32_t hashv; uint32_t *targets;
/* can msg themselves or services without using any target slots */ if(source_p == target_p || IsService(target_p)) return;
hashv = fnv_hash_upper((const unsigned char *)use_id(target_p), 32); targets = source_p->localClient->targets;
/* check for existing target, and move it to the first reply slot * if it is in a reply slot */ for(i = 0; i < TGCHANGE_NUM + TGCHANGE_REPLY; i++) { if(targets[i] == hashv) { if(i > TGCHANGE_NUM) { for(j = i; j > TGCHANGE_NUM; j--) targets[j] = targets[j - 1]; targets[TGCHANGE_NUM] = hashv; } return; } } for(i = TGCHANGE_NUM + TGCHANGE_REPLY - 1; i > TGCHANGE_NUM; i--) targets[i] = targets[i - 1]; targets[TGCHANGE_NUM] = hashv;}