/* * ircd-ratbox: A slightly useful ircd. * m_set.c: Sets a server parameter. * * 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 * */ /* rewritten by jdc */ #include "stdinc.h" #include "client.h" #include "match.h" #include "ircd.h" #include "numeric.h" #include "s_serv.h" #include "send.h" #include "common.h" #include "channel.h" #include "s_conf.h" #include "s_user.h" #include "s_newconf.h" #include "msg.h" #include "parse.h" #include "modules.h" static int mo_set(struct Client *, struct Client *, int, const char **); struct Message set_msgtab = { "SET", 0, 0, 0, MFLG_SLOW, {mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_set, 0}} }; mapi_clist_av1 set_clist[] = { &set_msgtab, NULL }; DECLARE_MODULE_AV1(set, NULL, NULL, set_clist, NULL, NULL, "$Revision: 3406 $"); /* Structure used for the SET table itself */ struct SetStruct { const char *name; void (*handler)(struct Client *source_p, const char *chararg, int intarg); int wants_char; /* 1 if it expects (char *, [int]) */ int wants_int; /* 1 if it expects ([char *], int) */ /* eg: 0, 1 == only an int arg * eg: 1, 1 == char and int args */ }; static void quote_adminstring(struct Client *, const char *, int); static void quote_autoconn(struct Client *, const char *, int); static void quote_autoconnall(struct Client *, const char *, int); static void quote_floodcount(struct Client *, const char *, int); static void quote_identtimeout(struct Client *, const char *, int); static void quote_max(struct Client *, const char *, int); static void quote_operstring(struct Client *, const char *, int); static void quote_operhost(struct Client *, const char *, int); static void quote_spamnum(struct Client *, const char *, int); static void quote_spamtime(struct Client *, const char *, int); static void quote_splitmode(struct Client *, const char *, int); static void quote_splitnum(struct Client *, const char *, int); static void quote_splitusers(struct Client *, const char *, int); static void list_quote_commands(struct Client *); /* * If this ever needs to be expanded to more than one arg of each * type, want_char/want_int could be the count of the arguments, * instead of just a boolean flag... * * -davidt */ static struct SetStruct set_cmd_table[] = { /* name function string arg int arg */ /* -------------------------------------------------------- */ {"ADMINSTRING", quote_adminstring, 1, 0 }, {"AUTOCONN", quote_autoconn, 1, 1 }, {"AUTOCONNALL", quote_autoconnall, 0, 1 }, {"FLOODCOUNT", quote_floodcount, 0, 1 }, {"IDENTTIMEOUT", quote_identtimeout, 0, 1 }, {"MAX", quote_max, 0, 1 }, {"MAXCLIENTS", quote_max, 0, 1 }, {"OPERHOST", quote_operhost, 1, 0 }, {"OPERSTRING", quote_operstring, 1, 0 }, {"SPAMNUM", quote_spamnum, 0, 1 }, {"SPAMTIME", quote_spamtime, 0, 1 }, {"SPLITMODE", quote_splitmode, 1, 0 }, {"SPLITNUM", quote_splitnum, 0, 1 }, {"SPLITUSERS", quote_splitusers, 0, 1 }, /* -------------------------------------------------------- */ {(char *) 0, (void (*)(struct Client *, const char *, int)) 0, 0, 0} }; /* * list_quote_commands() sends the client all the available commands. * Four to a line for now. */ static void list_quote_commands(struct Client *source_p) { int i; int j = 0; const char *names[4]; sendto_one_notice(source_p, ":Available QUOTE SET commands:"); names[0] = names[1] = names[2] = names[3] = ""; for (i = 0; set_cmd_table[i].handler; i++) { names[j++] = set_cmd_table[i].name; if(j > 3) { sendto_one_notice(source_p, ":%s %s %s %s", names[0], names[1], names[2], names[3]); j = 0; names[0] = names[1] = names[2] = names[3] = ""; } } if(j) sendto_one_notice(source_p, ":%s %s %s %s", names[0], names[1], names[2], names[3]); } /* SET AUTOCONN */ static void quote_autoconn(struct Client *source_p, const char *arg, int newval) { set_server_conf_autoconn(source_p, arg, newval); } /* SET AUTOCONNALL */ static void quote_autoconnall(struct Client *source_p, const char *arg, int newval) { if(newval >= 0) { sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has changed AUTOCONNALL to %i", source_p->name, newval); GlobalSetOptions.autoconn = newval; } else { sendto_one_notice(source_p, ":AUTOCONNALL is currently %i", GlobalSetOptions.autoconn); } } /* SET FLOODCOUNT */ static void quote_floodcount(struct Client *source_p, const char *arg, int newval) { if(newval >= 0) { GlobalSetOptions.floodcount = newval; sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has changed FLOODCOUNT to %i", source_p->name, GlobalSetOptions.floodcount); } else { sendto_one_notice(source_p, ":FLOODCOUNT is currently %i", GlobalSetOptions.floodcount); } } /* SET IDENTTIMEOUT */ static void quote_identtimeout(struct Client *source_p, const char *arg, int newval) { if(!IsOperAdmin(source_p)) { sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "admin"); return; } if(newval > 0) { sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has changed IDENTTIMEOUT to %d", get_oper_name(source_p), newval); GlobalSetOptions.ident_timeout = newval; } else sendto_one_notice(source_p, ":IDENTTIMEOUT is currently %d", GlobalSetOptions.ident_timeout); } /* SET MAX */ static void quote_max(struct Client *source_p, const char *arg, int newval) { if(newval > 0) { if(newval > maxconnections - MAX_BUFFER) { sendto_one_notice(source_p, ":You cannot set MAXCLIENTS to > %d", maxconnections - MAX_BUFFER); return; } if(newval < 32) { sendto_one_notice(source_p, ":You cannot set MAXCLIENTS to < 32 (%d:%d)", GlobalSetOptions.maxclients, rb_getmaxconnect()); return; } GlobalSetOptions.maxclients = newval; sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s!%s@%s set new MAXCLIENTS to %d (%lu current)", source_p->name, source_p->username, source_p->host, GlobalSetOptions.maxclients, rb_dlink_list_length(&lclient_list)); return; } else { sendto_one_notice(source_p, ":Current Maxclients = %d (%lu)", GlobalSetOptions.maxclients, rb_dlink_list_length(&lclient_list)); } } /* SET OPERHOST */ static void quote_operhost(struct Client *source_p, const char *arg, int newval) { if(EmptyString(arg)) { sendto_one_notice(source_p, ":OPERHOST is currently '%s'", GlobalSetOptions.operhost); } else if(!valid_hostname(arg)) { sendto_one_notice(source_p, "Invalid hostmask."); } else { rb_strlcpy(GlobalSetOptions.operhost, arg, sizeof(GlobalSetOptions.operhost)); sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has changed OPERHOST to '%s'", get_oper_name(source_p), arg); } } /* SET OPERSTRING */ static void quote_operstring(struct Client *source_p, const char *arg, int newval) { if(EmptyString(arg)) { sendto_one_notice(source_p, ":OPERSTRING is currently '%s'", GlobalSetOptions.operstring); } else { rb_strlcpy(GlobalSetOptions.operstring, arg, sizeof(GlobalSetOptions.operstring)); sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has changed OPERSTRING to '%s'", get_oper_name(source_p), arg); } } /* SET ADMINSTRING */ static void quote_adminstring(struct Client *source_p, const char *arg, int newval) { if(EmptyString(arg)) { sendto_one_notice(source_p, ":ADMINSTRING is currently '%s'", GlobalSetOptions.adminstring); } else { rb_strlcpy(GlobalSetOptions.adminstring, arg, sizeof(GlobalSetOptions.adminstring)); sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has changed ADMINSTRING to '%s'", get_oper_name(source_p), arg); } } /* SET SPAMNUM */ static void quote_spamnum(struct Client *source_p, const char *arg, int newval) { if(newval > 0) { if(newval == 0) { sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has disabled ANTI_SPAMBOT", source_p->name); GlobalSetOptions.spam_num = newval; return; } if(newval < MIN_SPAM_NUM) { GlobalSetOptions.spam_num = MIN_SPAM_NUM; } else { /* if (newval < MIN_SPAM_NUM) */ GlobalSetOptions.spam_num = newval; } sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has changed SPAMNUM to %i", source_p->name, GlobalSetOptions.spam_num); } else { sendto_one_notice(source_p, ":SPAMNUM is currently %i", GlobalSetOptions.spam_num); } } /* SET SPAMTIME */ static void quote_spamtime(struct Client *source_p, const char *arg, int newval) { if(newval > 0) { if(newval < MIN_SPAM_TIME) { GlobalSetOptions.spam_time = MIN_SPAM_TIME; } else { /* if (newval < MIN_SPAM_TIME) */ GlobalSetOptions.spam_time = newval; } sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has changed SPAMTIME to %i", source_p->name, GlobalSetOptions.spam_time); } else { sendto_one_notice(source_p, ":SPAMTIME is currently %i", GlobalSetOptions.spam_time); } } /* this table is what splitmode may be set to */ static const char *splitmode_values[] = { "OFF", "ON", "AUTO", NULL }; /* this table is what splitmode may be */ static const char *splitmode_status[] = { "OFF", "AUTO (OFF)", "ON", "AUTO (ON)", NULL }; /* SET SPLITMODE */ static void quote_splitmode(struct Client *source_p, const char *charval, int intval) { if(charval) { int newval; for (newval = 0; splitmode_values[newval]; newval++) { if(!irccmp(splitmode_values[newval], charval)) break; } /* OFF */ if(newval == 0) { sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is disabling splitmode", get_oper_name(source_p)); splitmode = 0; splitchecking = 0; rb_event_delete(check_splitmode_ev); check_splitmode_ev = NULL; } /* ON */ else if(newval == 1) { sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is enabling and activating splitmode", get_oper_name(source_p)); splitmode = 1; splitchecking = 0; /* we might be deactivating an automatic splitmode, so pull the event */ rb_event_delete(check_splitmode_ev); check_splitmode_ev = NULL; } /* AUTO */ else if(newval == 2) { sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s is enabling automatic splitmode", get_oper_name(source_p)); splitchecking = 1; check_splitmode(NULL); } } else /* if we add splitchecking to splitmode*2 we get a unique table to * pull values back out of, splitmode can be four states - but you can * only set to three, which means we cant use the same table --fl_ */ sendto_one_notice(source_p, ":SPLITMODE is currently %s", splitmode_status[(splitchecking + (splitmode * 2))]); } /* SET SPLITNUM */ static void quote_splitnum(struct Client *source_p, const char *arg, int newval) { if(newval >= 0) { sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has changed SPLITNUM to %i", source_p->name, newval); split_servers = newval; if(splitchecking) check_splitmode(NULL); } else sendto_one_notice(source_p, ":SPLITNUM is currently %i", split_servers); } /* SET SPLITUSERS */ static void quote_splitusers(struct Client *source_p, const char *arg, int newval) { if(newval >= 0) { sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has changed SPLITUSERS to %i", source_p->name, newval); split_users = newval; if(splitchecking) check_splitmode(NULL); } else sendto_one_notice(source_p, ":SPLITUSERS is currently %i", split_users); } /* * mo_set - SET command handler * set options while running */ static int mo_set(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) { int newval; int i, n; const char *arg = NULL; const char *intarg = NULL; if(parc > 1) { /* * Go through all the commands in set_cmd_table, until one is * matched. I realize strcmp() is more intensive than a numeric * lookup, but at least it's better than a big-ass switch/case * statement. */ for (i = 0; set_cmd_table[i].handler; i++) { if(!irccmp(set_cmd_table[i].name, parv[1])) { /* * Command found; now execute the code */ n = 2; if(set_cmd_table[i].wants_char) { arg = parv[n++]; } if(set_cmd_table[i].wants_int) { intarg = parv[n++]; } if((n - 1) > parc) { sendto_one_notice(source_p, ":SET %s expects (\"%s%s\") args", set_cmd_table[i].name, (set_cmd_table[i]. wants_char ? "string, " : ""), (set_cmd_table[i]. wants_char ? "int" : "")); return 0; } if(parc <= 2) { arg = NULL; intarg = NULL; } if(set_cmd_table[i].wants_int && (parc > 2)) { if(intarg) { if(!irccmp(intarg, "yes") || !irccmp(intarg, "on")) newval = 1; else if(!irccmp(intarg, "no") || !irccmp(intarg, "off")) newval = 0; else newval = atoi(intarg); } else { newval = -1; } if(newval < 0) { sendto_one_notice(source_p, ":Value less than 0 illegal for %s", set_cmd_table[i].name); return 0; } } else newval = -1; set_cmd_table[i].handler(source_p, arg, newval); return 0; } } /* * 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 0; } list_quote_commands(source_p); return 0; }