solanum-vs-hackint-and-char.../modules/m_rehash.c
2016-03-23 08:52:32 -05:00

410 lines
9.8 KiB
C

/*
* ircd-ratbox: A slightly useful ircd.
* m_rehash.c: Re-reads the configuration file.
*
* 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
*
* 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 "client.h"
#include "channel.h"
#include "common.h"
#include "match.h"
#include "ircd.h"
#include "s_serv.h"
#include "numeric.h"
#include "s_conf.h"
#include "s_newconf.h"
#include "logger.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "hostmask.h"
#include "reject.h"
#include "hash.h"
#include "cache.h"
#include "rb_radixtree.h"
#include "sslproc.h"
static const char rehash_desc[] =
"Provides the REHASH command to reload configuration and other files";
static void mo_rehash(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static void me_rehash(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
struct Message rehash_msgtab = {
"REHASH", 0, 0, 0, 0,
{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_rehash, 0}, {mo_rehash, 0}}
};
mapi_clist_av1 rehash_clist[] = { &rehash_msgtab, NULL };
DECLARE_MODULE_AV2(rehash, NULL, NULL, rehash_clist, NULL, NULL, NULL, NULL, rehash_desc);
struct hash_commands
{
const char *cmd;
void (*handler) (struct Client * source_p);
};
static void
rehash_bans_loc(struct Client *source_p)
{
sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is rehashing bans",
get_oper_name(source_p));
if (!MyConnect(source_p))
remote_rehash_oper_p = source_p;
rehash_bans();
}
static void
rehash_dns(struct Client *source_p)
{
sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is rehashing DNS",
get_oper_name(source_p));
if (!MyConnect(source_p))
remote_rehash_oper_p = source_p;
reload_nameservers();
}
static void
rehash_ssld(struct Client *source_p)
{
sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is restarting ssld",
get_oper_name(source_p));
restart_ssld();
}
static void
rehash_motd(struct Client *source_p)
{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s is forcing re-reading of MOTD file",
get_oper_name(source_p));
if (!MyConnect(source_p))
remote_rehash_oper_p = source_p;
cache_user_motd();
}
static void
rehash_omotd(struct Client *source_p)
{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s is forcing re-reading of OPER MOTD file",
get_oper_name(source_p));
if (!MyConnect(source_p))
remote_rehash_oper_p = source_p;
free_cachefile(oper_motd);
oper_motd = cache_file(OPATH, "opers.motd", 0);
}
static void
rehash_tklines(struct Client *source_p)
{
struct ConfItem *aconf;
rb_dlink_node *ptr, *next_ptr;
int i;
sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp klines",
get_oper_name(source_p));
if (!MyConnect(source_p))
remote_rehash_oper_p = source_p;
for(i = 0; i < LAST_TEMP_TYPE; i++)
{
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, temp_klines[i].head)
{
aconf = ptr->data;
delete_one_address_conf(aconf->host, aconf);
rb_dlinkDestroy(ptr, &temp_klines[i]);
}
}
}
static void
rehash_tdlines(struct Client *source_p)
{
struct ConfItem *aconf;
rb_dlink_node *ptr, *next_ptr;
int i;
sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp dlines",
get_oper_name(source_p));
if (!MyConnect(source_p))
remote_rehash_oper_p = source_p;
for(i = 0; i < LAST_TEMP_TYPE; i++)
{
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, temp_dlines[i].head)
{
aconf = ptr->data;
delete_one_address_conf(aconf->host, aconf);
rb_dlinkDestroy(ptr, &temp_dlines[i]);
}
}
}
static void
rehash_txlines(struct Client *source_p)
{
struct ConfItem *aconf;
rb_dlink_node *ptr;
rb_dlink_node *next_ptr;
sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp xlines",
get_oper_name(source_p));
if (!MyConnect(source_p))
remote_rehash_oper_p = source_p;
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, xline_conf_list.head)
{
aconf = ptr->data;
if(!aconf->hold || aconf->lifetime)
continue;
free_conf(aconf);
rb_dlinkDestroy(ptr, &xline_conf_list);
}
}
static void
rehash_tresvs(struct Client *source_p)
{
struct ConfItem *aconf;
rb_radixtree_iteration_state iter;
rb_dlink_node *ptr;
rb_dlink_node *next_ptr;
sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing temp resvs",
get_oper_name(source_p));
if (!MyConnect(source_p))
remote_rehash_oper_p = source_p;
RB_RADIXTREE_FOREACH(aconf, &iter, resv_tree)
{
if(!aconf->hold || aconf->lifetime)
continue;
rb_radixtree_delete(resv_tree, aconf->host);
free_conf(aconf);
}
RB_DLINK_FOREACH_SAFE(ptr, next_ptr, resv_conf_list.head)
{
aconf = ptr->data;
if(!aconf->hold || aconf->lifetime)
continue;
free_conf(aconf);
rb_dlinkDestroy(ptr, &resv_conf_list);
}
}
static void
rehash_rejectcache(struct Client *source_p)
{
sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing reject cache",
get_oper_name(source_p));
if (!MyConnect(source_p))
remote_rehash_oper_p = source_p;
flush_reject();
}
static void
rehash_throttles(struct Client *source_p)
{
sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is clearing throttles",
get_oper_name(source_p));
if (!MyConnect(source_p))
remote_rehash_oper_p = source_p;
flush_throttle();
}
static void
rehash_help(struct Client *source_p)
{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s is forcing re-reading of HELP files",
get_oper_name(source_p));
if (!MyConnect(source_p))
remote_rehash_oper_p = source_p;
load_help();
}
static void
rehash_nickdelay(struct Client *source_p)
{
struct nd_entry *nd;
rb_dlink_node *ptr;
rb_dlink_node *safe_ptr;
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s is clearing the nick delay table",
get_oper_name(source_p));
if (!MyConnect(source_p))
remote_rehash_oper_p = source_p;
RB_DLINK_FOREACH_SAFE(ptr, safe_ptr, nd_list.head)
{
nd = ptr->data;
free_nd_entry(nd);
}
}
/* *INDENT-OFF* */
static struct hash_commands rehash_commands[] =
{
{"BANS", rehash_bans_loc },
{"DNS", rehash_dns },
{"SSLD", rehash_ssld },
{"MOTD", rehash_motd },
{"OMOTD", rehash_omotd },
{"TKLINES", rehash_tklines },
{"TDLINES", rehash_tdlines },
{"TXLINES", rehash_txlines },
{"TRESVS", rehash_tresvs },
{"REJECTCACHE", rehash_rejectcache },
{"THROTTLES", rehash_throttles },
{"HELP", rehash_help },
{"NICKDELAY", rehash_nickdelay },
{NULL, NULL }
};
/* *INDENT-ON* */
static void
do_rehash(struct Client *source_p, const char *type)
{
if (type != NULL)
{
int x;
char cmdbuf[100];
for (x = 0; rehash_commands[x].cmd != NULL && rehash_commands[x].handler != NULL;
x++)
{
if(irccmp(type, rehash_commands[x].cmd) == 0)
{
sendto_one(source_p, form_str(RPL_REHASHING), me.name,
source_p->name, rehash_commands[x].cmd);
ilog(L_MAIN, "REHASH %s From %s[%s]", type,
get_oper_name(source_p), source_p->sockhost);
rehash_commands[x].handler(source_p);
remote_rehash_oper_p = NULL;
return;
}
}
/* We are still here..we didn't match */
cmdbuf[0] = '\0';
for (x = 0; rehash_commands[x].cmd != NULL && rehash_commands[x].handler != NULL;
x++)
{
rb_strlcat(cmdbuf, " ", sizeof(cmdbuf));
rb_strlcat(cmdbuf, rehash_commands[x].cmd, sizeof(cmdbuf));
}
sendto_one_notice(source_p, ":rehash one of:%s", cmdbuf);
}
else
{
sendto_one(source_p, form_str(RPL_REHASHING), me.name, source_p->name,
ConfigFileEntry.configfile);
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s is rehashing server config file", get_oper_name(source_p));
if (!MyConnect(source_p))
remote_rehash_oper_p = source_p;
ilog(L_MAIN, "REHASH From %s[%s]", get_oper_name(source_p),
source_p->sockhost);
rehash(0);
remote_rehash_oper_p = NULL;
}
}
/*
* mo_rehash - REHASH message handler
*
* parv[1] = rehash type or destination
* parv[2] = destination
*/
static void
mo_rehash(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
const char *type = NULL, *target_server = NULL;
if(!IsOperRehash(source_p))
{
sendto_one(source_p, form_str(ERR_NOPRIVS),
me.name, source_p->name, "rehash");
return;
}
if (parc > 2)
type = parv[1], target_server = parv[2];
else if (parc > 1 && (strchr(parv[1], '.') || strchr(parv[1], '?') || strchr(parv[1], '*')))
type = NULL, target_server = parv[1];
else if (parc > 1)
type = parv[1], target_server = NULL;
else
type = NULL, target_server = NULL;
if (target_server != NULL)
{
if(!IsOperRemoteBan(source_p))
{
sendto_one(source_p, form_str(ERR_NOPRIVS),
me.name, source_p->name, "remoteban");
return;
}
sendto_match_servs(source_p, target_server,
CAP_ENCAP, NOCAPS,
"ENCAP %s REHASH %s",
target_server, type != NULL ? type : "");
if (match(target_server, me.name) == 0)
return;
}
do_rehash(source_p, type);
}
static void
me_rehash(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
if (!IsPerson(source_p))
return;
if (!find_shared_conf(source_p->username, source_p->host,
source_p->servptr->name, SHARED_REHASH))
return;
do_rehash(source_p, parc > 1 ? parv[1] : NULL);
}