553 lines
14 KiB
C
553 lines
14 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* m_set.c: Sets a server parameter.
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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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/* rewritten by jdc */
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#include "stdinc.h"
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#include "client.h"
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#include "match.h"
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#include "ircd.h"
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#include "numeric.h"
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#include "s_serv.h"
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#include "send.h"
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#include "channel.h"
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#include "s_conf.h"
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#include "s_newconf.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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static const char set_desc[] = "Provides the SET command to change server parameters";
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static void mo_set(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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struct Message set_msgtab = {
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"SET", 0, 0, 0, 0,
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{mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_set, 0}}
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};
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mapi_clist_av1 set_clist[] = { &set_msgtab, NULL };
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DECLARE_MODULE_AV2(set, NULL, NULL, set_clist, NULL, NULL, NULL, NULL, set_desc);
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/* Structure used for the SET table itself */
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struct SetStruct
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{
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const char *name;
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void (*handler)(struct Client *source_p, const char *chararg, int intarg);
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bool wants_char; /* true if it expects (char *, [int]) */
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bool wants_int; /* true if it expects ([char *], int) */
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/* eg: false, true == only an int arg
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* eg: true, true == char and int args */
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};
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static void quote_adminstring(struct Client *, const char *, int);
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static void quote_autoconn(struct Client *, const char *, int);
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static void quote_autoconnall(struct Client *, const char *, int);
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static void quote_floodcount(struct Client *, const char *, int);
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static void quote_identtimeout(struct Client *, const char *, int);
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static void quote_max(struct Client *, const char *, int);
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static void quote_operstring(struct Client *, const char *, int);
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static void quote_spamnum(struct Client *, const char *, int);
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static void quote_spamtime(struct Client *, const char *, int);
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static void quote_splitmode(struct Client *, const char *, int);
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static void quote_splitnum(struct Client *, const char *, int);
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static void quote_splitusers(struct Client *, const char *, int);
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static void list_quote_commands(struct Client *);
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/*
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* If this ever needs to be expanded to more than one arg of each
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* type, want_char/want_int could be the count of the arguments,
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* instead of just a boolean flag...
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*
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* -davidt
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*/
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static struct SetStruct set_cmd_table[] = {
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/* name function string arg bool arg */
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/* -------------------------------------------------------- */
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{"ADMINSTRING", quote_adminstring, true, false },
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{"AUTOCONN", quote_autoconn, true, true },
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{"AUTOCONNALL", quote_autoconnall, false, true },
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{"FLOODCOUNT", quote_floodcount, false, true },
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{"IDENTTIMEOUT", quote_identtimeout, false, true },
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{"MAX", quote_max, false, true },
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{"MAXCLIENTS", quote_max, false, true },
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{"OPERSTRING", quote_operstring, true, false },
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{"SPAMNUM", quote_spamnum, false, true },
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{"SPAMTIME", quote_spamtime, false, true },
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{"SPLITMODE", quote_splitmode, true, false },
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{"SPLITNUM", quote_splitnum, false, true },
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{"SPLITUSERS", quote_splitusers, false, true },
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/* -------------------------------------------------------- */
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{NULL, NULL, false, false },
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};
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/*
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* list_quote_commands() sends the client all the available commands.
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* Four to a line for now.
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*/
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static void
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list_quote_commands(struct Client *source_p)
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{
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int i;
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int j = 0;
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const char *names[4];
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sendto_one_notice(source_p, ":Available QUOTE SET commands:");
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names[0] = names[1] = names[2] = names[3] = "";
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for (i = 0; set_cmd_table[i].handler; i++)
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{
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names[j++] = set_cmd_table[i].name;
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if(j > 3)
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{
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sendto_one_notice(source_p, ":%s %s %s %s",
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names[0], names[1], names[2], names[3]);
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j = 0;
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names[0] = names[1] = names[2] = names[3] = "";
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}
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}
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if(j)
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sendto_one_notice(source_p, ":%s %s %s %s",
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names[0], names[1], names[2], names[3]);
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}
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/* SET AUTOCONN */
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static void
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quote_autoconn(struct Client *source_p, const char *arg, int newval)
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{
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set_server_conf_autoconn(source_p, arg, newval);
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}
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/* SET AUTOCONNALL */
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static void
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quote_autoconnall(struct Client *source_p, const char *arg, int newval)
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{
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if(newval >= 0)
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{
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s has changed AUTOCONNALL to %i",
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source_p->name, newval);
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GlobalSetOptions.autoconn = newval;
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}
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else
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{
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sendto_one_notice(source_p, ":AUTOCONNALL is currently %i",
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GlobalSetOptions.autoconn);
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}
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}
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/* SET FLOODCOUNT */
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static void
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quote_floodcount(struct Client *source_p, const char *arg, int newval)
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{
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if(newval >= 0)
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{
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GlobalSetOptions.floodcount = newval;
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
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"%s has changed FLOODCOUNT to %i", source_p->name,
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GlobalSetOptions.floodcount);
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}
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else
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{
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sendto_one_notice(source_p, ":FLOODCOUNT is currently %i",
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GlobalSetOptions.floodcount);
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}
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}
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/* SET IDENTTIMEOUT */
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static void
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quote_identtimeout(struct Client *source_p, const char *arg, int newval)
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{
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if(!IsOperAdmin(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, "admin");
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return;
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}
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if(newval > 0)
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{
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
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"%s has changed IDENTTIMEOUT to %d",
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get_oper_name(source_p), newval);
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GlobalSetOptions.ident_timeout = newval;
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set_authd_timeout("ident_timeout", newval);
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}
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else
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sendto_one_notice(source_p, ":IDENTTIMEOUT is currently %d",
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GlobalSetOptions.ident_timeout);
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}
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/* SET MAX */
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static void
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quote_max(struct Client *source_p, const char *arg, int newval)
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{
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if(newval > 0)
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{
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if(newval > maxconnections - MAX_BUFFER)
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{
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sendto_one_notice(source_p,
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":You cannot set MAXCLIENTS to > %d",
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maxconnections - MAX_BUFFER);
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return;
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}
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if(newval < 32)
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{
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sendto_one_notice(source_p, ":You cannot set MAXCLIENTS to < 32 (%d:%d)",
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GlobalSetOptions.maxclients, rb_getmaxconnect());
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return;
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}
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GlobalSetOptions.maxclients = newval;
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
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"%s!%s@%s set new MAXCLIENTS to %d (%lu current)",
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source_p->name, source_p->username, source_p->host,
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GlobalSetOptions.maxclients,
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rb_dlink_list_length(&lclient_list));
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return;
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}
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else
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{
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sendto_one_notice(source_p, ":Current Maxclients = %d (%lu)",
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GlobalSetOptions.maxclients, rb_dlink_list_length(&lclient_list));
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}
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}
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/* SET OPERSTRING */
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static void
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quote_operstring(struct Client *source_p, const char *arg, int newval)
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{
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if(EmptyString(arg))
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{
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sendto_one_notice(source_p, ":OPERSTRING is currently '%s'", GlobalSetOptions.operstring);
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}
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else
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{
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rb_strlcpy(GlobalSetOptions.operstring, arg,
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sizeof(GlobalSetOptions.operstring));
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
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"%s has changed OPERSTRING to '%s'",
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get_oper_name(source_p), arg);
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}
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}
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/* SET ADMINSTRING */
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static void
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quote_adminstring(struct Client *source_p, const char *arg, int newval)
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{
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if(EmptyString(arg))
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{
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sendto_one_notice(source_p, ":ADMINSTRING is currently '%s'", GlobalSetOptions.adminstring);
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}
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else
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{
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rb_strlcpy(GlobalSetOptions.adminstring, arg,
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sizeof(GlobalSetOptions.adminstring));
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
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"%s has changed ADMINSTRING to '%s'",
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get_oper_name(source_p), arg);
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}
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}
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/* SET SPAMNUM */
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static void
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quote_spamnum(struct Client *source_p, const char *arg, int newval)
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{
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if(newval > 0)
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{
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if(newval == 0)
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{
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
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"%s has disabled ANTI_SPAMBOT", source_p->name);
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GlobalSetOptions.spam_num = newval;
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return;
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}
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if(newval < MIN_SPAM_NUM)
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{
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GlobalSetOptions.spam_num = MIN_SPAM_NUM;
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}
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else /* if (newval < MIN_SPAM_NUM) */
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{
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GlobalSetOptions.spam_num = newval;
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}
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s has changed SPAMNUM to %i",
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source_p->name, GlobalSetOptions.spam_num);
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}
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else
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{
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sendto_one_notice(source_p, ":SPAMNUM is currently %i", GlobalSetOptions.spam_num);
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}
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}
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/* SET SPAMTIME */
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static void
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quote_spamtime(struct Client *source_p, const char *arg, int newval)
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{
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if(newval > 0)
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{
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if(newval < MIN_SPAM_TIME)
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{
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GlobalSetOptions.spam_time = MIN_SPAM_TIME;
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}
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else /* if (newval < MIN_SPAM_TIME) */
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{
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GlobalSetOptions.spam_time = newval;
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}
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s has changed SPAMTIME to %i",
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source_p->name, GlobalSetOptions.spam_time);
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}
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else
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{
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sendto_one_notice(source_p, ":SPAMTIME is currently %i", GlobalSetOptions.spam_time);
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}
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}
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/* this table is what splitmode may be set to */
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static const char *splitmode_values[] = {
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"OFF",
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"ON",
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"AUTO",
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NULL
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};
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/* this table is what splitmode may be */
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static const char *splitmode_status[] = {
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"OFF",
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"AUTO (OFF)",
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"ON",
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"AUTO (ON)",
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NULL
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};
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/* SET SPLITMODE */
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static void
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quote_splitmode(struct Client *source_p, const char *charval, int intval)
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{
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if(charval)
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{
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int newval;
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for (newval = 0; splitmode_values[newval]; newval++)
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{
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if(!irccmp(splitmode_values[newval], charval))
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break;
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}
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/* OFF */
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if(newval == 0)
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{
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
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"%s is disabling splitmode", get_oper_name(source_p));
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splitmode = false;
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splitchecking = false;
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rb_event_delete(check_splitmode_ev);
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check_splitmode_ev = NULL;
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}
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/* ON */
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else if(newval == 1)
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{
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
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"%s is enabling and activating splitmode",
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get_oper_name(source_p));
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splitmode = true;
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splitchecking = false;
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/* we might be deactivating an automatic splitmode, so pull the event */
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rb_event_delete(check_splitmode_ev);
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check_splitmode_ev = NULL;
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}
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/* AUTO */
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else if(newval == 2)
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{
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
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"%s is enabling automatic splitmode",
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get_oper_name(source_p));
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splitchecking = true;
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check_splitmode(NULL);
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}
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}
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else
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/* if we add splitchecking to splitmode*2 we get a unique table to
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* pull values back out of, splitmode can be four states - but you can
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* only set to three, which means we cant use the same table --fl_
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*/
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sendto_one_notice(source_p, ":SPLITMODE is currently %s",
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splitmode_status[(splitchecking + (splitmode * 2))]);
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}
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/* SET SPLITNUM */
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static void
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quote_splitnum(struct Client *source_p, const char *arg, int newval)
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{
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if(newval >= 0)
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{
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
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"%s has changed SPLITNUM to %i", source_p->name, newval);
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split_servers = newval;
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if(splitchecking)
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check_splitmode(NULL);
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}
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else
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sendto_one_notice(source_p, ":SPLITNUM is currently %i", split_servers);
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}
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/* SET SPLITUSERS */
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static void
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quote_splitusers(struct Client *source_p, const char *arg, int newval)
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{
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if(newval >= 0)
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{
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
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"%s has changed SPLITUSERS to %i", source_p->name, newval);
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split_users = newval;
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if(splitchecking)
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check_splitmode(NULL);
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}
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else
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sendto_one_notice(source_p, ":SPLITUSERS is currently %i", split_users);
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}
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/*
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* mo_set - SET command handler
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* set options while running
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*/
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static void
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mo_set(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
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{
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int newval;
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int i, n;
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const char *arg = NULL;
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const char *intarg = NULL;
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if(parc > 1)
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{
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/*
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* Go through all the commands in set_cmd_table, until one is
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* matched. I realize strcmp() is more intensive than a numeric
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* lookup, but at least it's better than a big-ass switch/case
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* statement.
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*/
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for (i = 0; set_cmd_table[i].handler; i++)
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{
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if(!irccmp(set_cmd_table[i].name, parv[1]))
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{
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/*
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* Command found; now execute the code
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*/
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n = 2;
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if(set_cmd_table[i].wants_char)
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{
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arg = parv[n++];
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}
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if(set_cmd_table[i].wants_int)
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{
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intarg = parv[n++];
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}
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if((n - 1) > parc)
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{
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sendto_one_notice(source_p,
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":SET %s expects (\"%s%s\") args",
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set_cmd_table[i].name,
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(set_cmd_table[i].
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wants_char ? "string, " : ""),
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(set_cmd_table[i].
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wants_char ? "int" : ""));
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return;
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}
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if(parc <= 2)
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{
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arg = NULL;
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intarg = NULL;
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}
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if(set_cmd_table[i].wants_int && (parc > 2))
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{
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if(intarg)
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{
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if(!irccmp(intarg, "yes") || !irccmp(intarg, "on"))
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newval = 1;
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else if(!irccmp(intarg, "no")
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|| !irccmp(intarg, "off"))
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newval = 0;
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else
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newval = atoi(intarg);
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}
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else
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{
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newval = -1;
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}
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if(newval < 0)
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{
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sendto_one_notice(source_p,
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":Value less than 0 illegal for %s",
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|
set_cmd_table[i].name);
|
|
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
newval = -1;
|
|
|
|
set_cmd_table[i].handler(source_p, arg, newval);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Code here will be executed when a /QUOTE SET command is not
|
|
* found within set_cmd_table.
|
|
*/
|
|
sendto_one_notice(source_p, ":Variable not found.");
|
|
return;
|
|
}
|
|
|
|
list_quote_commands(source_p);
|
|
}
|