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source: irc_send.c @ bd5eee3

Last change on this file since bd5eee3 was eb50495, checked in by Wilmer van der Gaast <wilmer@…>, at 2010-05-04T08:45:10Z
Show offline/away status better in /WHO and /WHOIS.
Property mode set to `100644`
File size: 10.6 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 );
	46	irc_send_num( irc, 5, "PREFIX=(ov)@+ CHANTYPES=%s CHANMODES=,,,%s NICKLEN=%d NETWORK=BitlBee "
	47	"CASEMAPPING=rfc1459 MAXTARGETS=1 WATCH=128 :are supported by this server",
	48	CTYPES, CMODES, MAX_NICK_LENGTH - 1 );
	49	irc_send_motd( irc );
	50	}
	51
	52	void irc_send_motd( irc_t *irc )
	53	{
	54	int fd;
	55
	56	fd = open( global.conf->motdfile, O_RDONLY );
	57	if( fd == -1 )
	58	{
	59	irc_send_num( irc, 422, ":We don't need MOTDs." );
	60	}
	61	else
	62	{
	63	char linebuf[80]; /* Max. line length for MOTD's is 79 chars. It's what most IRC networks seem to do. */
	64	char *add, max;
	65	int len;
	66
	67	linebuf[79] = len = 0;
	68	max = sizeof( linebuf ) - 1;
	69
	70	irc_send_num( irc, 375, ":- %s Message Of The Day - ", irc->root->host );
	71	while( read( fd, linebuf + len, 1 ) == 1 )
	72	{
	73	if( linebuf[len] == '\n' \|\| len == max )
	74	{
	75	linebuf[len] = 0;
	76	irc_send_num( irc, 372, ":- %s", linebuf );
	77	len = 0;
	78	}
	79	else if( linebuf[len] == '%' )
	80	{
	81	read( fd, linebuf + len, 1 );
	82	if( linebuf[len] == 'h' )
	83	add = irc->root->host;
	84	else if( linebuf[len] == 'v' )
	85	add = BITLBEE_VERSION;
	86	else if( linebuf[len] == 'n' )
	87	add = irc->user->nick;
	88	else
	89	add = "%";
	90
	91	strncpy( linebuf + len, add, max - len );
	92	while( linebuf[++len] );
	93	}
	94	else if( len < max )
	95	{
	96	len ++;
	97	}
	98	}
	99	irc_send_num( irc, 376, ":End of MOTD" );
	100	close( fd );
	101	}
	102	}
	103
[4be8239]	104	void irc_usermsg( irc_t irc, char format, ... )
[ebaebfe]	105	{
[74f1cde]	106	irc_channel_t *ic;
	107	irc_user_t *iu;
[ebaebfe]	108	char text[1024];
	109	va_list params;
	110
	111	va_start( params, format );
	112	g_vsnprintf( text, sizeof( text ), format, params );
	113	va_end( params );
	114
[74f1cde]	115	if( irc->last_root_cmd &&
	116	irc_channel_name_ok( irc->last_root_cmd ) &&
	117	( ic = irc_channel_by_name( irc, irc->last_root_cmd ) ) &&
	118	ic->flags & IRC_CHANNEL_JOINED )
[6761a40]	119	irc_send_msg( irc->root, "PRIVMSG", irc->last_root_cmd, text, NULL );
[74f1cde]	120	else if( irc->last_root_cmd &&
	121	( iu = irc_user_by_name( irc, irc->last_root_cmd ) ) &&
	122	iu->f == &irc_user_root_funcs )
[6761a40]	123	irc_send_msg( iu, "PRIVMSG", irc->user->nick, text, NULL );
[74f1cde]	124	else
	125	{
	126	g_free( irc->last_root_cmd );
	127	irc->last_root_cmd = NULL;
	128
[6761a40]	129	irc_send_msg( irc->root, "PRIVMSG", irc->user->nick, text, NULL );
[74f1cde]	130	}
[ebaebfe]	131
	132	/return( irc_msgfrom( irc, u->nick, text ) );/
	133	}
[4be8239]	134
	135	void irc_send_join( irc_channel_t ic, irc_user_t iu )
	136	{
	137	irc_t *irc = ic->irc;
	138
	139	irc_write( irc, ":%s!%s@%s JOIN :%s", iu->nick, iu->user, iu->host, ic->name );
	140
	141	if( iu == irc->user )
	142	{
	143	irc_write( irc, ":%s MODE %s +%s", irc->root->host, ic->name, ic->mode );
	144	irc_send_names( ic );
[8240840]	145	if( ic->topic && *ic->topic )
	146	irc_send_topic( ic, FALSE );
[4be8239]	147	}
	148	}
	149
	150	void irc_send_part( irc_channel_t ic, irc_user_t iu, const char *reason )
	151	{
	152	irc_write( ic->irc, ":%s!%s@%s PART %s :%s", iu->nick, iu->user, iu->host, ic->name, reason );
	153	}
	154
	155	void irc_send_names( irc_channel_t *ic )
	156	{
	157	GSList *l;
	158	char namelist[385] = "";
	159
	160	/* RFCs say there is no error reply allowed on NAMES, so when the
	161	channel is invalid, just give an empty reply. */
	162	for( l = ic->users; l; l = l->next )
	163	{
[e54112f]	164	irc_channel_user_t *icu = l->data;
	165	irc_user_t *iu = icu->iu;
[4be8239]	166
	167	if( strlen( namelist ) + strlen( iu->nick ) > sizeof( namelist ) - 4 )
	168	{
	169	irc_send_num( ic->irc, 353, "= %s :%s", ic->name, namelist );
	170	*namelist = 0;
	171	}
	172
[6a9d068]	173	if( icu->flags & IRC_CHANNEL_USER_OP )
[4be8239]	174	strcat( namelist, "@" );
[6a9d068]	175	else if( icu->flags & IRC_CHANNEL_USER_HALFOP )
	176	strcat( namelist, "%" );
	177	else if( icu->flags & IRC_CHANNEL_USER_VOICE )
	178	strcat( namelist, "+" );
[4be8239]	179
	180	strcat( namelist, iu->nick );
	181	strcat( namelist, " " );
	182	}
	183
	184	if( *namelist )
	185	irc_send_num( ic->irc, 353, "= %s :%s", ic->name, namelist );
	186
	187	irc_send_num( ic->irc, 366, "%s :End of /NAMES list", ic->name );
	188	}
	189
[83e92bf]	190	void irc_send_topic( irc_channel_t *ic, gboolean topic_change )
[4be8239]	191	{
[83e92bf]	192	if( topic_change && ic->topic_who )
	193	{
	194	irc_write( ic->irc, ":%s TOPIC %s :%s", ic->topic_who,
	195	ic->name, ic->topic && *ic->topic ? ic->topic : "" );
	196	}
	197	else if( ic->topic )
	198	{
[4be8239]	199	irc_send_num( ic->irc, 332, "%s :%s", ic->name, ic->topic );
[83e92bf]	200	if( ic->topic_who )
	201	irc_send_num( ic->irc, 333, "%s %s %d",
	202	ic->name, ic->topic_who, (int) ic->topic_time );
	203	}
[4be8239]	204	else
	205	irc_send_num( ic->irc, 331, "%s :No topic for this channel", ic->name );
	206	}
[b95932e]	207
	208	void irc_send_whois( irc_user_t *iu )
	209	{
	210	irc_t *irc = iu->irc;
	211
	212	irc_send_num( irc, 311, "%s %s %s * :%s",
	213	iu->nick, iu->user, iu->host, iu->fullname );
	214
[1d39159]	215	if( iu->bu )
	216	{
	217	bee_user_t *bu = iu->bu;
	218
	219	irc_send_num( irc, 312, "%s %s.%s :%s network", iu->nick, bu->ic->acc->user,
	220	bu->ic->acc->server && *bu->ic->acc->server ? bu->ic->acc->server : "",
	221	bu->ic->acc->prpl->name );
	222
[e7edbb7]	223	if( ( bu->status && *bu->status ) \|\|
	224	( bu->status_msg && *bu->status_msg ) )
[1d39159]	225	{
[d986463]	226	int num = bu->flags & BEE_USER_AWAY ? 301 : 320;
	227
	228	if( bu->status && bu->status_msg )
	229	irc_send_num( irc, num, "%s :%s (%s)", iu->nick, bu->status, bu->status_msg );
[1d39159]	230	else
[d986463]	231	irc_send_num( irc, num, "%s :%s", iu->nick, bu->status ? : bu->status_msg );
[1d39159]	232	}
[eb50495]	233	else if( !( bu->flags & BEE_USER_ONLINE ) )
	234	{
	235	irc_send_num( irc, 301, "%s :%s", iu->nick, "User is offline" );
	236	}
[1d39159]	237	}
[b95932e]	238	else
[1d39159]	239	{
[e7edbb7]	240	irc_send_num( irc, 312, "%s %s :%s", iu->nick, irc->root->host, IRCD_INFO );
[1d39159]	241	}
[b95932e]	242
	243	irc_send_num( irc, 318, "%s :End of /WHOIS list", iu->nick );
	244	}
[2f53ada]	245
	246	void irc_send_who( irc_t irc, GSList l, const char *channel )
	247	{
[e54112f]	248	gboolean is_channel = strcmp( channel, "**" ) != 0;
	249
[2f53ada]	250	while( l )
	251	{
	252	irc_user_t *iu = l->data;
[e54112f]	253	if( is_channel )
	254	iu = ((irc_channel_user_t*)iu)->iu;
[2f53ada]	255	/* TODO(wilmer): Restore away/channel information here */
	256	irc_send_num( irc, 352, "%s %s %s %s %s %c :0 %s",
[410bf6d]	257	channel ? : "*", iu->user, iu->host, irc->root->host,
[eb50495]	258	iu->nick, iu->flags & IRC_USER_AWAY ? 'G' : 'H',
	259	iu->fullname );
[2f53ada]	260	l = l->next;
	261	}
	262
	263	irc_send_num( irc, 315, "%s :End of /WHO list", channel );
	264	}
[280c56a]	265
[6761a40]	266	void irc_send_msg( irc_user_t iu, const char type, const char dst, const char msg, const char *prefix )
	267	{
	268	char last = 0;
	269	const char s = msg, line = msg;
	270	char raw_msg[strlen(msg)+1024];
	271
	272	while( !last )
	273	{
	274	if( s == '\r' && (s+1) == '\n' )
	275	s++;
	276	if( *s == '\n' )
	277	{
	278	last = s[1] == 0;
	279	}
	280	else
	281	{
	282	last = s[0] == 0;
	283	}
	284	if( s == 0 \|\| s == '\n' )
	285	{
	286	if( g_strncasecmp( line, "/me ", 4 ) == 0 && ( !prefix \|\| !*prefix ) &&
	287	g_strcasecmp( type, "PRIVMSG" ) == 0 )
	288	{
	289	strcpy( raw_msg, "\001ACTION " );
	290	strncat( raw_msg, line + 4, s - line - 4 );
	291	strcat( raw_msg, "\001" );
	292	irc_send_msg_raw( iu, type, dst, raw_msg );
	293	}
	294	else
	295	{
	296	*raw_msg = '\0';
	297	if( prefix && *prefix )
	298	strcpy( raw_msg, prefix );
	299	strncat( raw_msg, line, s - line );
	300	irc_send_msg_raw( iu, type, dst, raw_msg );
	301	}
	302	line = s + 1;
	303	}
	304	s ++;
	305	}
	306	}
	307
	308	void irc_send_msg_raw( irc_user_t iu, const char type, const char dst, const char msg )
[280c56a]	309	{
	310	irc_write( iu->irc, ":%s!%s@%s %s %s :%s",
	311	iu->nick, iu->user, iu->host, type, dst, msg );
	312	}
[0b5cc72]	313
[7b59872]	314	void irc_send_msg_f( irc_user_t iu, const char type, const char dst, const char format, ... )
	315	{
	316	char text[IRC_MAX_LINE];
	317	va_list params;
	318
	319	va_start( params, format );
	320	g_vsnprintf( text, IRC_MAX_LINE, format, params );
	321	va_end( params );
	322
	323	irc_write( iu->irc, ":%s!%s@%s %s %s :%s",
	324	iu->nick, iu->user, iu->host, type, dst, text );
	325	}
	326
[0b5cc72]	327	void irc_send_nick( irc_user_t iu, const char new )
	328	{
	329	irc_write( iu->irc, ":%s!%s@%s NICK %s",
	330	iu->nick, iu->user, iu->host, new );
	331	}
[6a9d068]	332
	333	/* Send an update of a user's mode inside a channel, compared to what it was. */
	334	void irc_send_channel_user_mode_diff( irc_channel_t ic, irc_user_t iu,
	335	irc_channel_user_flags_t old, irc_channel_user_flags_t new )
	336	{
	337	char changes[3*(5+strlen(iu->nick))];
	338	char from[strlen(ic->irc->root->nick)+strlen(ic->irc->root->user)+strlen(ic->irc->root->host)+3];
	339	int n;
	340
	341	*changes = '\0'; n = 0;
	342	if( ( old & IRC_CHANNEL_USER_OP ) != ( new & IRC_CHANNEL_USER_OP ) )
	343	{
	344	n ++;
	345	if( new & IRC_CHANNEL_USER_OP )
	346	strcat( changes, "+o" );
	347	else
	348	strcat( changes, "-o" );
	349	}
	350	if( ( old & IRC_CHANNEL_USER_HALFOP ) != ( new & IRC_CHANNEL_USER_HALFOP ) )
	351	{
	352	n ++;
	353	if( new & IRC_CHANNEL_USER_HALFOP )
	354	strcat( changes, "+h" );
	355	else
	356	strcat( changes, "-h" );
	357	}
	358	if( ( old & IRC_CHANNEL_USER_VOICE ) != ( new & IRC_CHANNEL_USER_VOICE ) )
	359	{
	360	n ++;
	361	if( new & IRC_CHANNEL_USER_VOICE )
	362	strcat( changes, "+v" );
	363	else
	364	strcat( changes, "-v" );
	365	}
	366	while( n )
	367	{
	368	strcat( changes, " " );
	369	strcat( changes, iu->nick );
	370	n --;
	371	}
	372
	373	if( set_getbool( &ic->irc->b->set, "simulate_netsplit" ) )
	374	g_snprintf( from, sizeof( from ), "%s", ic->irc->root->host );
	375	else
	376	g_snprintf( from, sizeof( from ), "%s!%s@%s", ic->irc->root->nick,
	377	ic->irc->root->user, ic->irc->root->host );
	378
	379	irc_write( ic->irc, ":%s MODE %s %s", from, ic->name, changes );
	380	}

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