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source: irc_commands.c @ e565ce2

Last change on this file since e565ce2 was c029350, checked in by Wilmer van der Gaast <wilmer@…>, at 2008-03-16T17:17:23Z
Added some brackets in irc_cmd_(pass\|oper) to prevent crashes when no passwords were set.
Property mode set to `100644`
File size: 17.8 KB

Rev	Line
[0298d11]	1	/********************************************************************\
	2	* BitlBee -- An IRC to other IM-networks gateway *
	3	* *
	4	* Copyright 2002-2006 Wilmer van der Gaast and others *
	5	\********************************************************************/
	6
	7	/* IRC commands */
	8
	9	/*
	10	This program is free software; you can redistribute it and/or modify
	11	it under the terms of the GNU General Public License as published by
	12	the Free Software Foundation; either version 2 of the License, or
	13	(at your option) any later version.
	14
	15	This program is distributed in the hope that it will be useful,
	16	but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	GNU General Public License for more details.
	19
	20	You should have received a copy of the GNU General Public License with
	21	the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
	22	if not, write to the Free Software Foundation, Inc., 59 Temple Place,
	23	Suite 330, Boston, MA 02111-1307 USA
	24	*/
	25
	26	#define BITLBEE_CORE
	27	#include "bitlbee.h"
[0431ea1]	28	#include "ipc.h"
[0298d11]	29
[f73b969]	30	static void irc_cmd_pass( irc_t irc, char *cmd )
[0298d11]	31	{
[ec0355f]	32	if( global.conf->auth_pass &&
[c029350]	33	( strncmp( global.conf->auth_pass, "md5:", 4 ) == 0 ?
	34	md5_verify_password( cmd[1], global.conf->auth_pass + 4 ) == 0 :
	35	strcmp( cmd[1], global.conf->auth_pass ) == 0 ) )
[0298d11]	36	{
[79e826a]	37	irc->status \|= USTATUS_AUTHORIZED;
[de3e100]	38	irc_check_login( irc );
[0298d11]	39	}
	40	else
	41	{
[b23c5c7]	42	irc_reply( irc, 464, ":Incorrect password" );
[0298d11]	43	}
	44	}
	45
[f73b969]	46	static void irc_cmd_user( irc_t irc, char *cmd )
[0298d11]	47	{
[edf9657]	48	irc->user = g_strdup( cmd[1] );
	49	irc->realname = g_strdup( cmd[4] );
	50
	51	irc_check_login( irc );
[0298d11]	52	}
	53
[f73b969]	54	static void irc_cmd_nick( irc_t irc, char *cmd )
[0298d11]	55	{
	56	if( irc->nick )
	57	{
	58	irc_reply( irc, 438, ":The hand of the deity is upon thee, thy nick may not change" );
	59	}
	60	/* This is not clean, but for now it'll have to be like this... */
	61	else if( ( nick_cmp( cmd[1], irc->mynick ) == 0 ) \|\| ( nick_cmp( cmd[1], NS_NICK ) == 0 ) )
	62	{
	63	irc_reply( irc, 433, ":This nick is already in use" );
	64	}
	65	else if( !nick_ok( cmd[1] ) )
	66	{
	67	/* [SH] Invalid characters. */
	68	irc_reply( irc, 432, ":This nick contains invalid characters" );
	69	}
	70	else
	71	{
	72	irc->nick = g_strdup( cmd[1] );
[edf9657]	73
	74	irc_check_login( irc );
[0298d11]	75	}
	76	}
	77
[f73b969]	78	static void irc_cmd_quit( irc_t irc, char *cmd )
[0298d11]	79	{
[f73b969]	80	if( cmd[1] && *cmd[1] )
	81	irc_abort( irc, 0, "Quit: %s", cmd[1] );
	82	else
	83	irc_abort( irc, 0, "Leaving..." );
[0298d11]	84	}
	85
[f73b969]	86	static void irc_cmd_ping( irc_t irc, char *cmd )
[0298d11]	87	{
	88	irc_write( irc, ":%s PONG %s :%s", irc->myhost, irc->myhost, cmd[1]?cmd[1]:irc->myhost );
	89	}
	90
[f73b969]	91	static void irc_cmd_oper( irc_t irc, char *cmd )
[0298d11]	92	{
[ec0355f]	93	if( global.conf->oper_pass &&
[c029350]	94	( strncmp( global.conf->oper_pass, "md5:", 4 ) == 0 ?
	95	md5_verify_password( cmd[2], global.conf->oper_pass + 4 ) == 0 :
	96	strcmp( cmd[2], global.conf->oper_pass ) == 0 ) )
[b23c5c7]	97	{
[0298d11]	98	irc_umode_set( irc, "+o", 1 );
[b23c5c7]	99	irc_reply( irc, 381, ":Password accepted" );
	100	}
	101	else
	102	{
	103	irc_reply( irc, 432, ":Incorrect password" );
	104	}
[0298d11]	105	}
	106
[f73b969]	107	static void irc_cmd_mode( irc_t irc, char *cmd )
[0298d11]	108	{
	109	if( cmd[1] == '#' \|\| cmd[1] == '&' )
	110	{
	111	if( cmd[2] )
	112	{
	113	if( cmd[2] == '+' \|\| cmd[2] == '-' )
	114	irc_reply( irc, 477, "%s :Can't change channel modes", cmd[1] );
	115	else if( *cmd[2] == 'b' )
	116	irc_reply( irc, 368, "%s :No bans possible", cmd[1] );
	117	}
	118	else
	119	irc_reply( irc, 324, "%s +%s", cmd[1], CMODE );
	120	}
	121	else
	122	{
	123	if( nick_cmp( cmd[1], irc->nick ) == 0 )
	124	{
	125	if( cmd[2] )
	126	irc_umode_set( irc, cmd[2], 0 );
[2f13222]	127	else
	128	irc_reply( irc, 221, "+%s", irc->umode );
[0298d11]	129	}
	130	else
	131	irc_reply( irc, 502, ":Don't touch their modes" );
	132	}
	133	}
	134
[f73b969]	135	static void irc_cmd_names( irc_t irc, char *cmd )
[0298d11]	136	{
	137	irc_names( irc, cmd[1]?cmd[1]:irc->channel );
	138	}
	139
[f73b969]	140	static void irc_cmd_part( irc_t irc, char *cmd )
[0298d11]	141	{
[0da65d5]	142	struct groupchat *c;
[0298d11]	143
	144	if( g_strcasecmp( cmd[1], irc->channel ) == 0 )
	145	{
	146	user_t *u = user_find( irc, irc->nick );
	147
	148	/* Not allowed to leave control channel */
	149	irc_part( irc, u, irc->channel );
	150	irc_join( irc, u, irc->channel );
	151	}
[0e7ab64]	152	else if( ( c = irc_chat_by_channel( irc, cmd[1] ) ) )
[0298d11]	153	{
	154	user_t *u = user_find( irc, irc->nick );
	155
	156	irc_part( irc, u, c->channel );
	157
[0da65d5]	158	if( c->ic )
[0298d11]	159	{
	160	c->joined = 0;
[0da65d5]	161	c->ic->acc->prpl->chat_leave( c );
[0298d11]	162	}
	163	}
	164	else
	165	{
	166	irc_reply( irc, 403, "%s :No such channel", cmd[1] );
	167	}
	168	}
	169
[f73b969]	170	static void irc_cmd_join( irc_t irc, char *cmd )
[0298d11]	171	{
	172	if( g_strcasecmp( cmd[1], irc->channel ) == 0 )
	173	; /* Dude, you're already there...
	174	RFC doesn't have any reply for that though? */
	175	else if( cmd[1] )
	176	{
	177	if( ( cmd[1][0] == '#' \|\| cmd[1][0] == '&' ) && cmd[1][1] )
	178	{
	179	user_t *u = user_find( irc, cmd[1] + 1 );
	180
[0da65d5]	181	if( u && u->ic && u->ic->acc->prpl->chat_with )
[0298d11]	182	{
	183	irc_reply( irc, 403, "%s :Initializing groupchat in a different channel", cmd[1] );
	184
[0da65d5]	185	if( !u->ic->acc->prpl->chat_with( u->ic, u->handle ) )
[0298d11]	186	{
[c38e965]	187	irc_usermsg( irc, "Could not open a groupchat with %s.", u->nick );
[0298d11]	188	}
	189	}
	190	else if( u )
	191	{
	192	irc_reply( irc, 403, "%s :Groupchats are not possible with %s", cmd[1], cmd[1]+1 );
	193	}
	194	else
	195	{
	196	irc_reply( irc, 403, "%s :No such nick", cmd[1] );
	197	}
	198	}
	199	else
	200	{
	201	irc_reply( irc, 403, "%s :No such channel", cmd[1] );
	202	}
	203	}
	204	}
	205
[f73b969]	206	static void irc_cmd_invite( irc_t irc, char *cmd )
[0298d11]	207	{
	208	char nick = cmd[1], channel = cmd[2];
[0e7ab64]	209	struct groupchat *c = irc_chat_by_channel( irc, channel );
[0298d11]	210	user_t *u = user_find( irc, nick );
	211
[0da65d5]	212	if( u && c && ( u->ic == c->ic ) )
	213	if( c->ic && c->ic->acc->prpl->chat_invite )
[0298d11]	214	{
[c058ff9]	215	c->ic->acc->prpl->chat_invite( c, u->handle, NULL );
[0298d11]	216	irc_reply( irc, 341, "%s %s", nick, channel );
[f73b969]	217	return;
[0298d11]	218	}
	219
	220	irc_reply( irc, 482, "%s :Invite impossible; User/Channel non-existent or incompatible", channel );
	221	}
	222
[f73b969]	223	static void irc_cmd_privmsg( irc_t irc, char *cmd )
[0298d11]	224	{
	225	if ( !cmd[2] )
	226	{
	227	irc_reply( irc, 412, ":No text to send" );
	228	}
	229	else if ( irc->nick && g_strcasecmp( cmd[1], irc->nick ) == 0 )
	230	{
	231	irc_write( irc, ":%s!%s@%s %s %s :%s", irc->nick, irc->user, irc->host, cmd[0], cmd[1], cmd[2] );
	232	}
	233	else
	234	{
	235	if( g_strcasecmp( cmd[1], irc->channel ) == 0 )
	236	{
	237	unsigned int i;
[5c9512f]	238	char *t = set_getstr( &irc->set, "default_target" );
[0298d11]	239
	240	if( g_strcasecmp( t, "last" ) == 0 && irc->last_target )
	241	cmd[1] = irc->last_target;
	242	else if( g_strcasecmp( t, "root" ) == 0 )
	243	cmd[1] = irc->mynick;
	244
	245	for( i = 0; i < strlen( cmd[2] ); i ++ )
	246	{
	247	if( cmd[2][i] == ' ' ) break;
	248	if( cmd[2][i] == ':' \|\| cmd[2][i] == ',' )
	249	{
	250	cmd[1] = cmd[2];
	251	cmd[2] += i;
	252	*cmd[2] = 0;
	253	while( *(++cmd[2]) == ' ' );
	254	break;
	255	}
	256	}
	257
	258	irc->is_private = 0;
	259
	260	if( cmd[1] != irc->last_target )
	261	{
	262	if( irc->last_target )
	263	g_free( irc->last_target );
	264	irc->last_target = g_strdup( cmd[1] );
	265	}
	266	}
	267	else
	268	{
	269	irc->is_private = 1;
	270	}
[6bbb939]	271	irc_send( irc, cmd[1], cmd[2], ( g_strcasecmp( cmd[0], "NOTICE" ) == 0 ) ? OPT_AWAY : 0 );
[0298d11]	272	}
	273	}
	274
[f73b969]	275	static void irc_cmd_who( irc_t irc, char *cmd )
[0298d11]	276	{
	277	char *channel = cmd[1];
	278	user_t *u = irc->users;
[0da65d5]	279	struct groupchat *c;
[0298d11]	280	GList *l;
	281
	282	if( !channel \|\| channel == '0' \|\| channel == '' \|\| !channel )
	283	while( u )
	284	{
	285	irc_reply( irc, 352, "%s %s %s %s %s %c :0 %s", u->online ? irc->channel : "*", u->user, u->host, irc->myhost, u->nick, u->online ? ( u->away ? 'G' : 'H' ) : 'G', u->realname );
	286	u = u->next;
	287	}
	288	else if( g_strcasecmp( channel, irc->channel ) == 0 )
	289	while( u )
	290	{
	291	if( u->online )
	292	irc_reply( irc, 352, "%s %s %s %s %s %c :0 %s", channel, u->user, u->host, irc->myhost, u->nick, u->away ? 'G' : 'H', u->realname );
	293	u = u->next;
	294	}
[0e7ab64]	295	else if( ( c = irc_chat_by_channel( irc, channel ) ) )
[0298d11]	296	for( l = c->in_room; l; l = l->next )
	297	{
[0da65d5]	298	if( ( u = user_findhandle( c->ic, l->data ) ) )
[0298d11]	299	irc_reply( irc, 352, "%s %s %s %s %s %c :0 %s", channel, u->user, u->host, irc->myhost, u->nick, u->away ? 'G' : 'H', u->realname );
	300	}
	301	else if( ( u = user_find( irc, channel ) ) )
	302	irc_reply( irc, 352, "%s %s %s %s %s %c :0 %s", channel, u->user, u->host, irc->myhost, u->nick, u->online ? ( u->away ? 'G' : 'H' ) : 'G', u->realname );
	303
[b23c5c7]	304	irc_reply( irc, 315, "%s :End of /WHO list", channel?channel:"**" );
[0298d11]	305	}
	306
[f73b969]	307	static void irc_cmd_userhost( irc_t irc, char *cmd )
[0298d11]	308	{
	309	user_t *u;
	310	int i;
	311
	312	/* [TV] Usable USERHOST-implementation according to
	313	RFC1459. Without this, mIRC shows an error
	314	while connecting, and the used way of rejecting
	315	breaks standards.
	316	*/
	317
	318	for( i = 1; cmd[i]; i ++ )
	319	if( ( u = user_find( irc, cmd[i] ) ) )
	320	{
	321	if( u->online && u->away )
	322	irc_reply( irc, 302, ":%s=-%s@%s", u->nick, u->user, u->host );
	323	else
	324	irc_reply( irc, 302, ":%s=+%s@%s", u->nick, u->user, u->host );
	325	}
	326	}
	327
[f73b969]	328	static void irc_cmd_ison( irc_t irc, char *cmd )
[0298d11]	329	{
	330	user_t *u;
[b4e4b95]	331	char buff[IRC_MAX_LINE];
[0298d11]	332	int lenleft, i;
	333
	334	buff[0] = '\0';
	335
	336	/* [SH] Leave room for : and \0 */
	337	lenleft = IRC_MAX_LINE - 2;
	338
	339	for( i = 1; cmd[i]; i ++ )
	340	{
[42616d1]	341	char this, next;
	342
	343	this = cmd[i];
	344	while( *this )
[0298d11]	345	{
[42616d1]	346	if( ( next = strchr( this, ' ' ) ) )
	347	*next = 0;
[0298d11]	348
[42616d1]	349	if( ( u = user_find( irc, this ) ) && u->online )
[0298d11]	350	{
[42616d1]	351	lenleft -= strlen( u->nick ) + 1;
	352
	353	if( lenleft < 0 )
	354	break;
	355
	356	strcat( buff, u->nick );
	357	strcat( buff, " " );
[0298d11]	358	}
	359
[42616d1]	360	if( next )
	361	{
	362	*next = ' ';
	363	this = next + 1;
	364	}
	365	else
	366	{
	367	break;
	368	}
[0298d11]	369	}
[42616d1]	370
	371	/* sigh */
	372	if( lenleft < 0 )
	373	break;
[0298d11]	374	}
	375
	376	if( strlen( buff ) > 0 )
	377	buff[strlen(buff)-1] = '\0';
	378
	379	irc_reply( irc, 303, ":%s", buff );
	380	}
	381
[f73b969]	382	static void irc_cmd_watch( irc_t irc, char *cmd )
[0298d11]	383	{
	384	int i;
	385
	386	/* Obviously we could also mark a user structure as being
	387	watched, but what if the WATCH command is sent right
	388	after connecting? The user won't exist yet then... */
	389	for( i = 1; cmd[i]; i ++ )
	390	{
	391	char *nick;
	392	user_t *u;
	393
	394	if( !cmd[i][0] \|\| !cmd[i][1] )
	395	break;
	396
	397	nick = g_strdup( cmd[i] + 1 );
	398	nick_lc( nick );
	399
	400	u = user_find( irc, nick );
	401
	402	if( cmd[i][0] == '+' )
	403	{
	404	if( !g_hash_table_lookup( irc->watches, nick ) )
	405	g_hash_table_insert( irc->watches, nick, nick );
	406
	407	if( u && u->online )
[fc630f9]	408	irc_reply( irc, 604, "%s %s %s %d :%s", u->nick, u->user, u->host, (int) time( NULL ), "is online" );
[0298d11]	409	else
[fc630f9]	410	irc_reply( irc, 605, "%s %s %s %d :%s", nick, "", "", (int) time( NULL ), "is offline" );
[0298d11]	411	}
	412	else if( cmd[i][0] == '-' )
	413	{
	414	gpointer okey, ovalue;
	415
	416	if( g_hash_table_lookup_extended( irc->watches, nick, &okey, &ovalue ) )
	417	{
	418	g_free( okey );
	419	g_hash_table_remove( irc->watches, okey );
	420
	421	irc_reply( irc, 602, "%s %s %s %d :%s", nick, "", "", 0, "Stopped watching" );
	422	}
	423	}
	424	}
	425	}
	426
[f73b969]	427	static void irc_cmd_topic( irc_t irc, char *cmd )
[0298d11]	428	{
[50e1776]	429	char *channel = cmd[1];
	430	char *topic = cmd[2];
	431
	432	if( topic )
	433	{
	434	/* Send the topic */
	435	struct groupchat *c = irc_chat_by_channel( irc, channel );
	436	if( c && c->ic && c->ic->acc->prpl->chat_topic )
	437	c->ic->acc->prpl->chat_topic( c, topic );
	438	}
[0298d11]	439	else
[50e1776]	440	{
	441	/* Get the topic */
	442	irc_topic( irc, channel );
	443	}
[0298d11]	444	}
	445
[f73b969]	446	static void irc_cmd_away( irc_t irc, char *cmd )
[0298d11]	447	{
	448	user_t *u = user_find( irc, irc->nick );
	449	char *away = cmd[1];
[a91ecee]	450	account_t *a;
[0298d11]	451
[f73b969]	452	if( !u ) return;
[0298d11]	453
	454	if( away && *away )
	455	{
	456	int i, j;
	457
	458	/* Copy away string, but skip control chars. Mainly because
	459	Jabber really doesn't like them. */
	460	u->away = g_malloc( strlen( away ) + 1 );
	461	for( i = j = 0; away[i]; i ++ )
	462	if( ( u->away[j] = away[i] ) >= ' ' )
	463	j ++;
	464	u->away[j] = 0;
	465
	466	irc_reply( irc, 306, ":You're now away: %s", u->away );
	467	/* irc_umode_set( irc, irc->myhost, "+a" ); */
	468	}
	469	else
	470	{
	471	if( u->away ) g_free( u->away );
	472	u->away = NULL;
	473	/* irc_umode_set( irc, irc->myhost, "-a" ); */
	474	irc_reply( irc, 305, ":Welcome back" );
	475	}
	476
[a91ecee]	477	for( a = irc->accounts; a; a = a->next )
[0298d11]	478	{
[0da65d5]	479	struct im_connection *ic = a->ic;
[0298d11]	480
[0da65d5]	481	if( ic && ic->flags & OPT_LOGGED_IN )
[84b045d]	482	imc_set_away( ic, u->away );
[0298d11]	483	}
	484	}
	485
[f73b969]	486	static void irc_cmd_whois( irc_t irc, char *cmd )
[0298d11]	487	{
	488	char *nick = cmd[1];
	489	user_t *u = user_find( irc, nick );
	490
	491	if( u )
	492	{
	493	irc_reply( irc, 311, "%s %s %s * :%s", u->nick, u->user, u->host, u->realname );
	494
[0da65d5]	495	if( u->ic )
	496	irc_reply( irc, 312, "%s %s.%s :%s network", u->nick, u->ic->acc->user,
	497	u->ic->acc->server && *u->ic->acc->server ? u->ic->acc->server : "",
	498	u->ic->acc->prpl->name );
[0298d11]	499	else
	500	irc_reply( irc, 312, "%s %s :%s", u->nick, irc->myhost, IRCD_INFO );
	501
	502	if( !u->online )
	503	irc_reply( irc, 301, "%s :%s", u->nick, "User is offline" );
	504	else if( u->away )
	505	irc_reply( irc, 301, "%s :%s", u->nick, u->away );
	506
	507	irc_reply( irc, 318, "%s :End of /WHOIS list", nick );
	508	}
	509	else
	510	{
	511	irc_reply( irc, 401, "%s :Nick does not exist", nick );
	512	}
	513	}
	514
[f73b969]	515	static void irc_cmd_whowas( irc_t irc, char *cmd )
[0298d11]	516	{
	517	/* For some reason irssi tries a whowas when whois fails. We can
	518	ignore this, but then the user never gets a "user not found"
	519	message from irssi which is a bit annoying. So just respond
	520	with not-found and irssi users will get better error messages */
	521
	522	irc_reply( irc, 406, "%s :Nick does not exist", cmd[1] );
	523	irc_reply( irc, 369, "%s :End of WHOWAS", cmd[1] );
	524	}
	525
[f73b969]	526	static void irc_cmd_nickserv( irc_t irc, char *cmd )
[0298d11]	527	{
	528	/* [SH] This aliases the NickServ command to PRIVMSG root */
	529	/* [TV] This aliases the NS command to PRIVMSG root as well */
	530	root_command( irc, cmd + 1 );
	531	}
	532
[f73b969]	533	static void irc_cmd_motd( irc_t irc, char *cmd )
[0298d11]	534	{
	535	irc_motd( irc );
	536	}
	537
[f73b969]	538	static void irc_cmd_pong( irc_t irc, char *cmd )
[0298d11]	539	{
	540	/* We could check the value we get back from the user, but in
	541	fact we don't care, we're just happy he's still alive. */
	542	irc->last_pong = gettime();
	543	irc->pinging = 0;
	544	}
	545
[82898af]	546	static void irc_cmd_version( irc_t irc, char *cmd )
	547	{
	548	irc_reply( irc, 351, "bitlbee-%s. %s :%s/%s ", BITLBEE_VERSION, irc->myhost, ARCH, CPU );
	549	}
	550
[f73b969]	551	static void irc_cmd_completions( irc_t irc, char *cmd )
[0298d11]	552	{
	553	user_t *u = user_find( irc, irc->mynick );
	554	help_t *h;
	555	set_t *s;
	556	int i;
	557
	558	irc_privmsg( irc, u, "NOTICE", irc->nick, "COMPLETIONS ", "OK" );
	559
	560	for( i = 0; commands[i].command; i ++ )
	561	irc_privmsg( irc, u, "NOTICE", irc->nick, "COMPLETIONS ", commands[i].command );
	562
	563	for( h = global.help; h; h = h->next )
[0fbda193]	564	irc_privmsg( irc, u, "NOTICE", irc->nick, "COMPLETIONS help ", h->title );
[0298d11]	565
	566	for( s = irc->set; s; s = s->next )
	567	irc_privmsg( irc, u, "NOTICE", irc->nick, "COMPLETIONS set ", s->key );
	568
	569	irc_privmsg( irc, u, "NOTICE", irc->nick, "COMPLETIONS ", "END" );
	570	}
	571
[f73b969]	572	static void irc_cmd_rehash( irc_t irc, char *cmd )
[f4a5940]	573	{
[5424c76]	574	if( global.conf->runmode == RUNMODE_INETD )
	575	ipc_master_cmd_rehash( NULL, NULL );
	576	else
	577	ipc_to_master( cmd );
[f4a5940]	578
[eeb85a8]	579	irc_reply( irc, 382, "%s :Rehashing", global.conf_file );
[f4a5940]	580	}
	581
[0298d11]	582	static const command_t irc_commands[] = {
	583	{ "pass", 1, irc_cmd_pass, IRC_CMD_PRE_LOGIN },
	584	{ "user", 4, irc_cmd_user, IRC_CMD_PRE_LOGIN },
	585	{ "nick", 1, irc_cmd_nick, 0 },
	586	{ "quit", 0, irc_cmd_quit, 0 },
	587	{ "ping", 0, irc_cmd_ping, 0 },
	588	{ "oper", 2, irc_cmd_oper, IRC_CMD_LOGGED_IN },
	589	{ "mode", 1, irc_cmd_mode, IRC_CMD_LOGGED_IN },
	590	{ "names", 0, irc_cmd_names, IRC_CMD_LOGGED_IN },
	591	{ "part", 1, irc_cmd_part, IRC_CMD_LOGGED_IN },
	592	{ "join", 1, irc_cmd_join, IRC_CMD_LOGGED_IN },
	593	{ "invite", 2, irc_cmd_invite, IRC_CMD_LOGGED_IN },
	594	{ "privmsg", 1, irc_cmd_privmsg, IRC_CMD_LOGGED_IN },
	595	{ "notice", 1, irc_cmd_privmsg, IRC_CMD_LOGGED_IN },
	596	{ "who", 0, irc_cmd_who, IRC_CMD_LOGGED_IN },
	597	{ "userhost", 1, irc_cmd_userhost, IRC_CMD_LOGGED_IN },
	598	{ "ison", 1, irc_cmd_ison, IRC_CMD_LOGGED_IN },
	599	{ "watch", 1, irc_cmd_watch, IRC_CMD_LOGGED_IN },
	600	{ "topic", 1, irc_cmd_topic, IRC_CMD_LOGGED_IN },
	601	{ "away", 0, irc_cmd_away, IRC_CMD_LOGGED_IN },
	602	{ "whois", 1, irc_cmd_whois, IRC_CMD_LOGGED_IN },
	603	{ "whowas", 1, irc_cmd_whowas, IRC_CMD_LOGGED_IN },
	604	{ "nickserv", 1, irc_cmd_nickserv, IRC_CMD_LOGGED_IN },
	605	{ "ns", 1, irc_cmd_nickserv, IRC_CMD_LOGGED_IN },
	606	{ "motd", 0, irc_cmd_motd, IRC_CMD_LOGGED_IN },
	607	{ "pong", 0, irc_cmd_pong, IRC_CMD_LOGGED_IN },
[82898af]	608	{ "version", 0, irc_cmd_version, IRC_CMD_LOGGED_IN },
[0298d11]	609	{ "completions", 0, irc_cmd_completions, IRC_CMD_LOGGED_IN },
[0431ea1]	610	{ "die", 0, NULL, IRC_CMD_OPER_ONLY \| IRC_CMD_TO_MASTER },
[48721c3]	611	{ "wallops", 1, NULL, IRC_CMD_OPER_ONLY \| IRC_CMD_TO_MASTER },
[dfc8a46]	612	{ "wall", 1, NULL, IRC_CMD_OPER_ONLY \| IRC_CMD_TO_MASTER },
[f4a5940]	613	{ "rehash", 0, irc_cmd_rehash, IRC_CMD_OPER_ONLY },
[54879ab]	614	{ "restart", 0, NULL, IRC_CMD_OPER_ONLY \| IRC_CMD_TO_MASTER },
[48721c3]	615	{ "kill", 2, NULL, IRC_CMD_OPER_ONLY \| IRC_CMD_TO_MASTER },
[0298d11]	616	{ NULL }
	617	};
	618
[f73b969]	619	void irc_exec( irc_t irc, char cmd[] )
[0298d11]	620	{
[f1d38f2]	621	int i, n_arg;
[0298d11]	622
	623	if( !cmd[0] )
[f73b969]	624	return;
[0298d11]	625
	626	for( i = 0; irc_commands[i].command; i++ )
	627	if( g_strcasecmp( irc_commands[i].command, cmd[0] ) == 0 )
	628	{
[f1d38f2]	629	/* There should be no typo in the next line: */
	630	for( n_arg = 0; cmd[n_arg]; n_arg ++ ); n_arg --;
	631
[79e826a]	632	if( irc_commands[i].flags & IRC_CMD_PRE_LOGIN && irc->status & USTATUS_LOGGED_IN )
[edf9657]	633	{
	634	irc_reply( irc, 462, ":Only allowed before logging in" );
	635	}
[3af70b0]	636	else if( irc_commands[i].flags & IRC_CMD_LOGGED_IN && !( irc->status & USTATUS_LOGGED_IN ) )
[edf9657]	637	{
	638	irc_reply( irc, 451, ":Register first" );
	639	}
[f73b969]	640	else if( irc_commands[i].flags & IRC_CMD_OPER_ONLY && !strchr( irc->umode, 'o' ) )
[edf9657]	641	{
	642	irc_reply( irc, 481, ":Permission denied - You're not an IRC operator" );
	643	}
[f1d38f2]	644	else if( n_arg < irc_commands[i].required_parameters )
[f73b969]	645	{
	646	irc_reply( irc, 461, "%s :Need more parameters", cmd[0] );
	647	}
	648	else if( irc_commands[i].flags & IRC_CMD_TO_MASTER )
	649	{
[5424c76]	650	/* IPC doesn't make sense in inetd mode,
	651	but the function will catch that. */
[0431ea1]	652	ipc_to_master( cmd );
[f73b969]	653	}
[0431ea1]	654	else
[f73b969]	655	{
	656	irc_commands[i].execute( irc, cmd );
	657	}
	658
[2f13222]	659	return;
[0298d11]	660	}
[2f13222]	661
	662	if( irc->status >= USTATUS_LOGGED_IN )
	663	irc_reply( irc, 421, "%s :Unknown command", cmd[0] );
[0298d11]	664	}

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