368 lines
8.5 KiB
C
368 lines
8.5 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* m_rehash.c: Re-reads the configuration file.
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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: m_rehash.c 3161 2007-01-25 07:23:01Z nenolod $
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*/
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#include "stdinc.h"
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#include "client.h"
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#include "channel.h"
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#include "common.h"
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#include "match.h"
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#include "ircd.h"
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#include "s_serv.h"
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#include "numeric.h"
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#include "res.h"
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#include "s_conf.h"
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#include "s_newconf.h"
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#include "logger.h"
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#include "send.h"
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#include "msg.h"
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#include "parse.h"
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#include "modules.h"
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#include "hostmask.h"
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#include "reject.h"
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#include "hash.h"
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#include "cache.h"
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static int mo_rehash(struct Client *, struct Client *, int, const char **);
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static int me_rehash(struct Client *, struct Client *, int, const char **);
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struct Message rehash_msgtab = {
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"REHASH", 0, 0, 0, MFLG_SLOW,
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{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_rehash, 0}, {mo_rehash, 0}}
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};
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mapi_clist_av1 rehash_clist[] = { &rehash_msgtab, NULL };
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DECLARE_MODULE_AV1(rehash, NULL, NULL, rehash_clist, NULL, NULL, "$Revision: 3161 $");
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struct hash_commands
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{
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const char *cmd;
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void (*handler) (struct Client * source_p);
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};
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static void
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rehash_bans_loc(struct Client *source_p)
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{
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sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is rehashing bans",
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get_oper_name(source_p));
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rehash_bans(0);
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}
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static void
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rehash_dns(struct Client *source_p)
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{
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sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is rehashing DNS",
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get_oper_name(source_p));
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/* reread /etc/resolv.conf and reopen res socket */
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restart_resolver();
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}
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static void
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rehash_motd(struct Client *source_p)
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{
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"%s is forcing re-reading of MOTD file",
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get_oper_name(source_p));
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cache_user_motd();
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}
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static void
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rehash_omotd(struct Client *source_p)
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{
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"%s is forcing re-reading of OPER MOTD file",
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get_oper_name(source_p));
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free_cachefile(oper_motd);
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oper_motd = cache_file(OPATH, "opers.motd", 0);
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}
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static void
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rehash_tklines(struct Client *source_p)
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{
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struct ConfItem *aconf;
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rb_dlink_node *ptr, *next_ptr;
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int i;
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sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp klines",
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get_oper_name(source_p));
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for(i = 0; i < LAST_TEMP_TYPE; i++)
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{
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RB_DLINK_FOREACH_SAFE(ptr, next_ptr, temp_klines[i].head)
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{
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aconf = ptr->data;
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delete_one_address_conf(aconf->host, aconf);
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rb_dlinkDestroy(ptr, &temp_klines[i]);
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}
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}
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}
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static void
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rehash_tdlines(struct Client *source_p)
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{
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struct ConfItem *aconf;
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rb_dlink_node *ptr, *next_ptr;
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int i;
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sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp dlines",
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get_oper_name(source_p));
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for(i = 0; i < LAST_TEMP_TYPE; i++)
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{
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RB_DLINK_FOREACH_SAFE(ptr, next_ptr, temp_dlines[i].head)
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{
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aconf = ptr->data;
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delete_one_address_conf(aconf->host, aconf);
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rb_dlinkDestroy(ptr, &temp_dlines[i]);
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}
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}
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}
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static void
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rehash_txlines(struct Client *source_p)
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{
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struct ConfItem *aconf;
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rb_dlink_node *ptr;
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rb_dlink_node *next_ptr;
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sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp xlines",
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get_oper_name(source_p));
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RB_DLINK_FOREACH_SAFE(ptr, next_ptr, xline_conf_list.head)
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{
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aconf = ptr->data;
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if(!aconf->hold)
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continue;
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free_conf(aconf);
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rb_dlinkDestroy(ptr, &xline_conf_list);
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}
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}
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static void
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rehash_tresvs(struct Client *source_p)
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{
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struct ConfItem *aconf;
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rb_dlink_node *ptr;
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rb_dlink_node *next_ptr;
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int i;
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sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp resvs",
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get_oper_name(source_p));
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HASH_WALK_SAFE(i, R_MAX, ptr, next_ptr, resvTable)
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{
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aconf = ptr->data;
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if(!aconf->hold)
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continue;
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free_conf(aconf);
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rb_dlinkDestroy(ptr, &resvTable[i]);
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}
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HASH_WALK_END
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RB_DLINK_FOREACH_SAFE(ptr, next_ptr, resv_conf_list.head)
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{
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aconf = ptr->data;
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if(!aconf->hold)
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continue;
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free_conf(aconf);
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rb_dlinkDestroy(ptr, &resv_conf_list);
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}
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}
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static void
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rehash_rejectcache(struct Client *source_p)
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{
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sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing reject cache",
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get_oper_name(source_p));
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flush_reject();
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}
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static void
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rehash_help(struct Client *source_p)
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{
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"%s is forcing re-reading of HELP files",
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get_oper_name(source_p));
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load_help();
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}
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static void
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rehash_nickdelay(struct Client *source_p)
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{
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struct nd_entry *nd;
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rb_dlink_node *ptr;
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rb_dlink_node *safe_ptr;
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"%s is clearing the nick delay table",
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get_oper_name(source_p));
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RB_DLINK_FOREACH_SAFE(ptr, safe_ptr, nd_list.head)
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{
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nd = ptr->data;
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free_nd_entry(nd);
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}
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}
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/* *INDENT-OFF* */
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static struct hash_commands rehash_commands[] =
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{
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{"BANS", rehash_bans_loc },
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{"DNS", rehash_dns },
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{"MOTD", rehash_motd },
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{"OMOTD", rehash_omotd },
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{"TKLINES", rehash_tklines },
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{"TDLINES", rehash_tdlines },
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{"TXLINES", rehash_txlines },
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{"TRESVS", rehash_tresvs },
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{"REJECTCACHE", rehash_rejectcache },
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{"HELP", rehash_help },
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{"NICKDELAY", rehash_nickdelay },
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{NULL, NULL }
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};
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/* *INDENT-ON* */
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static void
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do_rehash(struct Client *source_p, const char *type)
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{
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if (type != NULL)
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{
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int x;
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char cmdbuf[100];
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for (x = 0; rehash_commands[x].cmd != NULL && rehash_commands[x].handler != NULL;
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x++)
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{
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if(irccmp(type, rehash_commands[x].cmd) == 0)
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{
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sendto_one(source_p, form_str(RPL_REHASHING), me.name,
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source_p->name, rehash_commands[x].cmd);
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rehash_commands[x].handler(source_p);
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ilog(L_MAIN, "REHASH %s From %s[%s]", type,
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get_oper_name(source_p), source_p->sockhost);
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return;
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}
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}
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/* We are still here..we didn't match */
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cmdbuf[0] = '\0';
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for (x = 0; rehash_commands[x].cmd != NULL && rehash_commands[x].handler != NULL;
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x++)
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{
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rb_strlcat(cmdbuf, " ", sizeof(cmdbuf));
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rb_strlcat(cmdbuf, rehash_commands[x].cmd, sizeof(cmdbuf));
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}
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sendto_one_notice(source_p, ":rehash one of:%s", cmdbuf);
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}
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else
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{
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sendto_one(source_p, form_str(RPL_REHASHING), me.name, source_p->name,
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ConfigFileEntry.configfile);
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"%s is rehashing server config file", get_oper_name(source_p));
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ilog(L_MAIN, "REHASH From %s[%s]", get_oper_name(source_p),
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source_p->sockhost);
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rehash(0);
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}
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}
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/*
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* mo_rehash - REHASH message handler
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*
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* parv[1] = rehash type or destination
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* parv[2] = destination
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*/
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static int
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mo_rehash(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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const char *type = NULL, *target_server = NULL;
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if(!IsOperRehash(source_p))
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{
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sendto_one(source_p, form_str(ERR_NOPRIVS),
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me.name, source_p->name, "rehash");
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return 0;
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}
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if (parc > 2)
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type = parv[1], target_server = parv[2];
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else if (parc > 1 && (strchr(parv[1], '.') || strchr(parv[1], '?') || strchr(parv[1], '*')))
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type = NULL, target_server = parv[1];
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else if (parc > 1)
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type = parv[1], target_server = NULL;
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else
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type = NULL, target_server = NULL;
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if (target_server != NULL)
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{
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if(!IsOperRemoteBan(source_p))
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{
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sendto_one(source_p, form_str(ERR_NOPRIVS),
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me.name, source_p->name, "remoteban");
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return 0;
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}
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sendto_match_servs(source_p, target_server,
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CAP_ENCAP, NOCAPS,
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"ENCAP %s REHASH %s",
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target_server, type != NULL ? type : "");
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if (match(target_server, me.name) == 0)
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return 0;
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}
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do_rehash(source_p, type);
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return 0;
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}
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static int
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me_rehash(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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if (!IsPerson(source_p))
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return 0;
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if (!find_shared_conf(source_p->username, source_p->host,
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source_p->servptr->name, SHARED_REHASH))
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return 0;
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do_rehash(source_p, parc > 1 ? parv[1] : NULL);
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return 0;
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}
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