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source: irc_send.c @ 944d7a5

Last change on this file since 944d7a5 was a72af0d, checked in by Wilmer van der Gaast <wilmer@…>, at 2010-08-25T00:18:27Z
Fix /WHO on single nicks.
Property mode set to `100644`
File size: 11.3 KB

Rev	Line
[ebaebfe]	1	/********************************************************************\
	2	* BitlBee -- An IRC to other IM-networks gateway *
	3	* *
	4	* Copyright 2002-2010 Wilmer van der Gaast and others *
	5	\********************************************************************/
	6
	7	/* The IRC-based UI - Sending responses to commands/etc. */
	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	#include "bitlbee.h"
	27
	28	void irc_send_num( irc_t irc, int code, char format, ... )
	29	{
	30	char text[IRC_MAX_LINE];
	31	va_list params;
	32
	33	va_start( params, format );
	34	g_vsnprintf( text, IRC_MAX_LINE, format, params );
	35	va_end( params );
	36
[4be8239]	37	irc_write( irc, ":%s %03d %s %s", irc->root->host, code, irc->user->nick ? : "*", text );
[ebaebfe]	38	}
	39
	40	void irc_send_login( irc_t *irc )
	41	{
	42	irc_send_num( irc, 1, ":Welcome to the BitlBee gateway, %s", irc->user->nick );
	43	irc_send_num( irc, 2, ":Host %s is running BitlBee " BITLBEE_VERSION " " ARCH "/" CPU ".", irc->root->host );
	44	irc_send_num( irc, 3, ":%s", IRCD_INFO );
	45	irc_send_num( irc, 4, "%s %s %s %s", irc->root->host, BITLBEE_VERSION, UMODES UMODES_PRIV, CMODES );
[f32c14c]	46	irc_send_num( irc, 5, "PREFIX=(ohv)@%%+ CHANTYPES=%s CHANMODES=,,,%s NICKLEN=%d CHANNELLEN=%d "
	47	"NETWORK=BitlBee SAFELIST CASEMAPPING=rfc1459 MAXTARGETS=1 WATCH=128 "
	48	":are supported by this server",
	49	CTYPES, CMODES, MAX_NICK_LENGTH - 1, MAX_NICK_LENGTH - 1 );
[ebaebfe]	50	irc_send_motd( irc );
	51	}
	52
	53	void irc_send_motd( irc_t *irc )
	54	{
	55	int fd;
	56
	57	fd = open( global.conf->motdfile, O_RDONLY );
	58	if( fd == -1 )
	59	{
	60	irc_send_num( irc, 422, ":We don't need MOTDs." );
	61	}
	62	else
	63	{
	64	char linebuf[80]; /* Max. line length for MOTD's is 79 chars. It's what most IRC networks seem to do. */
	65	char *add, max;
	66	int len;
	67
	68	linebuf[79] = len = 0;
	69	max = sizeof( linebuf ) - 1;
	70
	71	irc_send_num( irc, 375, ":- %s Message Of The Day - ", irc->root->host );
	72	while( read( fd, linebuf + len, 1 ) == 1 )
	73	{
	74	if( linebuf[len] == '\n' \|\| len == max )
	75	{
	76	linebuf[len] = 0;
	77	irc_send_num( irc, 372, ":- %s", linebuf );
	78	len = 0;
	79	}
	80	else if( linebuf[len] == '%' )
	81	{
	82	read( fd, linebuf + len, 1 );
	83	if( linebuf[len] == 'h' )
	84	add = irc->root->host;
	85	else if( linebuf[len] == 'v' )
	86	add = BITLBEE_VERSION;
	87	else if( linebuf[len] == 'n' )
	88	add = irc->user->nick;
	89	else
	90	add = "%";
	91
	92	strncpy( linebuf + len, add, max - len );
	93	while( linebuf[++len] );
	94	}
	95	else if( len < max )
	96	{
	97	len ++;
	98	}
	99	}
	100	irc_send_num( irc, 376, ":End of MOTD" );
	101	close( fd );
	102	}
	103	}
	104
[4be8239]	105	void irc_usermsg( irc_t irc, char format, ... )
[ebaebfe]	106	{
[f7ca587]	107	irc_channel_t *ic = NULL;
	108	irc_user_t *iu = irc->root;
[ebaebfe]	109	char text[1024];
	110	va_list params;
[f7ca587]	111	char *dst;
[ebaebfe]	112
	113	va_start( params, format );
	114	g_vsnprintf( text, sizeof( text ), format, params );
	115	va_end( params );
	116
[f7ca587]	117	/* Too similar to bee_irc_user_msg()... */
	118	if( iu->last_channel )
[74f1cde]	119	{
[f7ca587]	120	if( iu->last_channel->flags & IRC_CHANNEL_JOINED )
	121	ic = iu->last_channel;
	122	else if( irc->default_channel->flags & IRC_CHANNEL_JOINED )
	123	ic = irc->default_channel;
[74f1cde]	124	}
[ebaebfe]	125
[f7ca587]	126	if( ic )
	127	dst = ic->name;
	128	else
	129	dst = irc->user->nick;
	130
	131	irc_send_msg( irc->root, "PRIVMSG", dst, text, NULL );
[ebaebfe]	132	}
[4be8239]	133
	134	void irc_send_join( irc_channel_t ic, irc_user_t iu )
	135	{
	136	irc_t *irc = ic->irc;
	137
	138	irc_write( irc, ":%s!%s@%s JOIN :%s", iu->nick, iu->user, iu->host, ic->name );
	139
	140	if( iu == irc->user )
	141	{
	142	irc_write( irc, ":%s MODE %s +%s", irc->root->host, ic->name, ic->mode );
	143	irc_send_names( ic );
[8240840]	144	if( ic->topic && *ic->topic )
	145	irc_send_topic( ic, FALSE );
[4be8239]	146	}
	147	}
	148
	149	void irc_send_part( irc_channel_t ic, irc_user_t iu, const char *reason )
	150	{
[18da20b]	151	irc_write( ic->irc, ":%s!%s@%s PART %s :%s", iu->nick, iu->user, iu->host, ic->name, reason ? : "" );
[4be8239]	152	}
	153
[1f0224c]	154	void irc_send_quit( irc_user_t iu, const char reason )
	155	{
	156	irc_write( iu->irc, ":%s!%s@%s QUIT :%s", iu->nick, iu->user, iu->host, reason ? : "" );
	157	}
	158
[006a84f]	159	void irc_send_kick( irc_channel_t ic, irc_user_t iu, irc_user_t kicker, const char reason )
	160	{
	161	irc_write( ic->irc, ":%s!%s@%s KICK %s %s :%s", kicker->nick, kicker->user,
	162	kicker->host, ic->name, iu->nick, reason ? : "" );
	163	}
	164
[4be8239]	165	void irc_send_names( irc_channel_t *ic )
	166	{
	167	GSList *l;
	168	char namelist[385] = "";
	169
	170	/* RFCs say there is no error reply allowed on NAMES, so when the
	171	channel is invalid, just give an empty reply. */
	172	for( l = ic->users; l; l = l->next )
	173	{
[e54112f]	174	irc_channel_user_t *icu = l->data;
	175	irc_user_t *iu = icu->iu;
[4be8239]	176
	177	if( strlen( namelist ) + strlen( iu->nick ) > sizeof( namelist ) - 4 )
	178	{
	179	irc_send_num( ic->irc, 353, "= %s :%s", ic->name, namelist );
	180	*namelist = 0;
	181	}
	182
[6a9d068]	183	if( icu->flags & IRC_CHANNEL_USER_OP )
[4be8239]	184	strcat( namelist, "@" );
[6a9d068]	185	else if( icu->flags & IRC_CHANNEL_USER_HALFOP )
	186	strcat( namelist, "%" );
	187	else if( icu->flags & IRC_CHANNEL_USER_VOICE )
	188	strcat( namelist, "+" );
[4be8239]	189
	190	strcat( namelist, iu->nick );
	191	strcat( namelist, " " );
	192	}
	193
	194	if( *namelist )
	195	irc_send_num( ic->irc, 353, "= %s :%s", ic->name, namelist );
	196
	197	irc_send_num( ic->irc, 366, "%s :End of /NAMES list", ic->name );
	198	}
	199
[83e92bf]	200	void irc_send_topic( irc_channel_t *ic, gboolean topic_change )
[4be8239]	201	{
[83e92bf]	202	if( topic_change && ic->topic_who )
	203	{
	204	irc_write( ic->irc, ":%s TOPIC %s :%s", ic->topic_who,
	205	ic->name, ic->topic && *ic->topic ? ic->topic : "" );
	206	}
	207	else if( ic->topic )
	208	{
[4be8239]	209	irc_send_num( ic->irc, 332, "%s :%s", ic->name, ic->topic );
[83e92bf]	210	if( ic->topic_who )
	211	irc_send_num( ic->irc, 333, "%s %s %d",
	212	ic->name, ic->topic_who, (int) ic->topic_time );
	213	}
[4be8239]	214	else
	215	irc_send_num( ic->irc, 331, "%s :No topic for this channel", ic->name );
	216	}
[b95932e]	217
	218	void irc_send_whois( irc_user_t *iu )
	219	{
	220	irc_t *irc = iu->irc;
	221
	222	irc_send_num( irc, 311, "%s %s %s * :%s",
	223	iu->nick, iu->user, iu->host, iu->fullname );
	224
[1d39159]	225	if( iu->bu )
	226	{
	227	bee_user_t *bu = iu->bu;
	228
	229	irc_send_num( irc, 312, "%s %s.%s :%s network", iu->nick, bu->ic->acc->user,
	230	bu->ic->acc->server && *bu->ic->acc->server ? bu->ic->acc->server : "",
	231	bu->ic->acc->prpl->name );
	232
[e7edbb7]	233	if( ( bu->status && *bu->status ) \|\|
	234	( bu->status_msg && *bu->status_msg ) )
[1d39159]	235	{
[d986463]	236	int num = bu->flags & BEE_USER_AWAY ? 301 : 320;
	237
	238	if( bu->status && bu->status_msg )
	239	irc_send_num( irc, num, "%s :%s (%s)", iu->nick, bu->status, bu->status_msg );
[1d39159]	240	else
[d986463]	241	irc_send_num( irc, num, "%s :%s", iu->nick, bu->status ? : bu->status_msg );
[1d39159]	242	}
[eb50495]	243	else if( !( bu->flags & BEE_USER_ONLINE ) )
	244	{
	245	irc_send_num( irc, 301, "%s :%s", iu->nick, "User is offline" );
	246	}
[56699f0]	247
	248	if( bu->idle_time \|\| bu->login_time )
	249	{
	250	irc_send_num( irc, 317, "%s %d %d :seconds idle, signon time",
	251	iu->nick,
	252	bu->idle_time ? (int) ( time( NULL ) - bu->idle_time ) : 0,
	253	(int) bu->login_time );
	254	}
[1d39159]	255	}
[b95932e]	256	else
[1d39159]	257	{
[e7edbb7]	258	irc_send_num( irc, 312, "%s %s :%s", iu->nick, irc->root->host, IRCD_INFO );
[1d39159]	259	}
[b95932e]	260
	261	irc_send_num( irc, 318, "%s :End of /WHOIS list", iu->nick );
	262	}
[2f53ada]	263
	264	void irc_send_who( irc_t irc, GSList l, const char *channel )
	265	{
[a72af0d]	266	gboolean is_channel = strchr( CTYPES, channel[0] ) != NULL;
[e54112f]	267
[2f53ada]	268	while( l )
	269	{
	270	irc_user_t *iu = l->data;
[e54112f]	271	if( is_channel )
	272	iu = ((irc_channel_user_t*)iu)->iu;
[2f53ada]	273	/* TODO(wilmer): Restore away/channel information here */
	274	irc_send_num( irc, 352, "%s %s %s %s %s %c :0 %s",
[a72af0d]	275	is_channel ? channel : "*", iu->user, iu->host, irc->root->host,
[eb50495]	276	iu->nick, iu->flags & IRC_USER_AWAY ? 'G' : 'H',
	277	iu->fullname );
[2f53ada]	278	l = l->next;
	279	}
	280
	281	irc_send_num( irc, 315, "%s :End of /WHO list", channel );
	282	}
[280c56a]	283
[6761a40]	284	void irc_send_msg( irc_user_t iu, const char type, const char dst, const char msg, const char *prefix )
	285	{
	286	char last = 0;
	287	const char s = msg, line = msg;
	288	char raw_msg[strlen(msg)+1024];
	289
	290	while( !last )
	291	{
	292	if( s == '\r' && (s+1) == '\n' )
	293	s++;
	294	if( *s == '\n' )
	295	{
	296	last = s[1] == 0;
	297	}
	298	else
	299	{
	300	last = s[0] == 0;
	301	}
	302	if( s == 0 \|\| s == '\n' )
	303	{
	304	if( g_strncasecmp( line, "/me ", 4 ) == 0 && ( !prefix \|\| !*prefix ) &&
	305	g_strcasecmp( type, "PRIVMSG" ) == 0 )
	306	{
	307	strcpy( raw_msg, "\001ACTION " );
	308	strncat( raw_msg, line + 4, s - line - 4 );
	309	strcat( raw_msg, "\001" );
	310	irc_send_msg_raw( iu, type, dst, raw_msg );
	311	}
	312	else
	313	{
	314	*raw_msg = '\0';
	315	if( prefix && *prefix )
	316	strcpy( raw_msg, prefix );
	317	strncat( raw_msg, line, s - line );
	318	irc_send_msg_raw( iu, type, dst, raw_msg );
	319	}
	320	line = s + 1;
	321	}
	322	s ++;
	323	}
	324	}
	325
	326	void irc_send_msg_raw( irc_user_t iu, const char type, const char dst, const char msg )
[280c56a]	327	{
	328	irc_write( iu->irc, ":%s!%s@%s %s %s :%s",
[4d4a7ed]	329	iu->nick, iu->user, iu->host, type, dst, msg && *msg ? msg : " " );
[280c56a]	330	}
[0b5cc72]	331
[7b59872]	332	void irc_send_msg_f( irc_user_t iu, const char type, const char dst, const char format, ... )
	333	{
	334	char text[IRC_MAX_LINE];
	335	va_list params;
	336
	337	va_start( params, format );
	338	g_vsnprintf( text, IRC_MAX_LINE, format, params );
	339	va_end( params );
	340
	341	irc_write( iu->irc, ":%s!%s@%s %s %s :%s",
	342	iu->nick, iu->user, iu->host, type, dst, text );
	343	}
	344
[0b5cc72]	345	void irc_send_nick( irc_user_t iu, const char new )
	346	{
	347	irc_write( iu->irc, ":%s!%s@%s NICK %s",
	348	iu->nick, iu->user, iu->host, new );
	349	}
[6a9d068]	350
	351	/* Send an update of a user's mode inside a channel, compared to what it was. */
	352	void irc_send_channel_user_mode_diff( irc_channel_t ic, irc_user_t iu,
	353	irc_channel_user_flags_t old, irc_channel_user_flags_t new )
	354	{
	355	char changes[3*(5+strlen(iu->nick))];
	356	char from[strlen(ic->irc->root->nick)+strlen(ic->irc->root->user)+strlen(ic->irc->root->host)+3];
	357	int n;
	358
	359	*changes = '\0'; n = 0;
	360	if( ( old & IRC_CHANNEL_USER_OP ) != ( new & IRC_CHANNEL_USER_OP ) )
	361	{
	362	n ++;
	363	if( new & IRC_CHANNEL_USER_OP )
	364	strcat( changes, "+o" );
	365	else
	366	strcat( changes, "-o" );
	367	}
	368	if( ( old & IRC_CHANNEL_USER_HALFOP ) != ( new & IRC_CHANNEL_USER_HALFOP ) )
	369	{
	370	n ++;
	371	if( new & IRC_CHANNEL_USER_HALFOP )
	372	strcat( changes, "+h" );
	373	else
	374	strcat( changes, "-h" );
	375	}
	376	if( ( old & IRC_CHANNEL_USER_VOICE ) != ( new & IRC_CHANNEL_USER_VOICE ) )
	377	{
	378	n ++;
	379	if( new & IRC_CHANNEL_USER_VOICE )
	380	strcat( changes, "+v" );
	381	else
	382	strcat( changes, "-v" );
	383	}
	384	while( n )
	385	{
	386	strcat( changes, " " );
	387	strcat( changes, iu->nick );
	388	n --;
	389	}
	390
	391	if( set_getbool( &ic->irc->b->set, "simulate_netsplit" ) )
	392	g_snprintf( from, sizeof( from ), "%s", ic->irc->root->host );
	393	else
	394	g_snprintf( from, sizeof( from ), "%s!%s@%s", ic->irc->root->nick,
	395	ic->irc->root->user, ic->irc->root->host );
	396
[51a3d12]	397	if( *changes )
	398	irc_write( ic->irc, ":%s MODE %s %s", from, ic->name, changes );
[6a9d068]	399	}
[1aa74f55]	400
	401	void irc_send_invite( irc_user_t iu, irc_channel_t ic )
	402	{
	403	irc_t *irc = iu->irc;
	404
	405	irc_write( iu->irc, ":%s!%s@%s INVITE %s :%s",
	406	iu->nick, iu->user, iu->host, irc->user->nick, ic->name );
	407	}

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