1 files changed, 318 insertions, 0 deletions

diff --git a/irc_send.c b/irc_send.c
new file mode 100644
index 00000000..89b10020
--- /dev/null
+++ b/irc_send.c
@@ -0,0 +1,318 @@
+  /********************************************************************\
+  * BitlBee -- An IRC to other IM-networks gateway                     *
+  *                                                                    *
+  * Copyright 2002-2010 Wilmer van der Gaast and others                *
+  \********************************************************************/
+
+/* The IRC-based UI - Sending responses to commands/etc.                */
+
+/*
+  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 with
+  the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
+  if not, write to the Free Software Foundation, Inc., 59 Temple Place,
+  Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include "bitlbee.h"
+
+void irc_send_num( irc_t *irc, int code, char *format, ... )
+{
+	char text[IRC_MAX_LINE];
+	va_list params;
+	
+	va_start( params, format );
+	g_vsnprintf( text, IRC_MAX_LINE, format, params );
+	va_end( params );
+	
+	irc_write( irc, ":%s %03d %s %s", irc->root->host, code, irc->user->nick ? : "*", text );
+}
+
+void irc_send_login( irc_t *irc )
+{
+	irc_send_num( irc,   1, ":Welcome to the BitlBee gateway, %s", irc->user->nick );
+	irc_send_num( irc,   2, ":Host %s is running BitlBee " BITLBEE_VERSION " " ARCH "/" CPU ".", irc->root->host );
+	irc_send_num( irc,   3, ":%s", IRCD_INFO );
+	irc_send_num( irc,   4, "%s %s %s %s", irc->root->host, BITLBEE_VERSION, UMODES UMODES_PRIV, CMODES );
+	irc_send_num( irc,   5, "PREFIX=(ov)@+ CHANTYPES=%s CHANMODES=,,,%s NICKLEN=%d NETWORK=BitlBee "
+	                        "CASEMAPPING=rfc1459 MAXTARGETS=1 WATCH=128 :are supported by this server",
+	                        CTYPES, CMODES, MAX_NICK_LENGTH - 1 );
+	irc_send_motd( irc );
+	
+	irc_usermsg( irc, "Welcome to the BitlBee gateway!\n\n"
+	                  "If you've never used BitlBee before, please do read the help "
+	                  "information using the \x02help\x02 command. Lots of FAQs are "
+	                  "answered there.\n"
+	                  "If you already have an account on this server, just use the "
+	                  "\x02identify\x02 command to identify yourself." );
+}
+
+void irc_send_motd( irc_t *irc )
+{
+	int fd;
+	
+	fd = open( global.conf->motdfile, O_RDONLY );
+	if( fd == -1 )
+	{
+		irc_send_num( irc, 422, ":We don't need MOTDs." );
+	}
+	else
+	{
+		char linebuf[80];	/* Max. line length for MOTD's is 79 chars. It's what most IRC networks seem to do. */
+		char *add, max;
+		int len;
+		
+		linebuf[79] = len = 0;
+		max = sizeof( linebuf ) - 1;
+		
+		irc_send_num( irc, 375, ":- %s Message Of The Day - ", irc->root->host );
+		while( read( fd, linebuf + len, 1 ) == 1 )
+		{
+			if( linebuf[len] == '\n' || len == max )
+			{
+				linebuf[len] = 0;
+				irc_send_num( irc, 372, ":- %s", linebuf );
+				len = 0;
+			}
+			else if( linebuf[len] == '%' )
+			{
+				read( fd, linebuf + len, 1 );
+				if( linebuf[len] == 'h' )
+					add = irc->root->host;
+				else if( linebuf[len] == 'v' )
+					add = BITLBEE_VERSION;
+				else if( linebuf[len] == 'n' )
+					add = irc->user->nick;
+				else
+					add = "%";
+				
+				strncpy( linebuf + len, add, max - len );
+				while( linebuf[++len] );
+			}
+			else if( len < max )
+			{
+				len ++;
+			}
+		}
+		irc_send_num( irc, 376, ":End of MOTD" );
+		close( fd );
+	}
+}
+
+void irc_usermsg( irc_t *irc, char *format, ... )
+{
+	irc_channel_t *ic;
+	irc_user_t *iu;
+	char text[1024];
+	va_list params;
+	
+	va_start( params, format );
+	g_vsnprintf( text, sizeof( text ), format, params );
+	va_end( params );
+	
+	if( irc->last_root_cmd &&
+	    irc_channel_name_ok( irc->last_root_cmd ) && 
+	    ( ic = irc_channel_by_name( irc, irc->last_root_cmd ) ) &&
+	    ic->flags & IRC_CHANNEL_JOINED )
+		irc_send_msg( irc->root, "PRIVMSG", irc->last_root_cmd, text, NULL );
+	else if( irc->last_root_cmd &&
+	         ( iu = irc_user_by_name( irc, irc->last_root_cmd ) ) &&
+	         iu->f == &irc_user_root_funcs )
+		irc_send_msg( iu, "PRIVMSG", irc->user->nick, text, NULL );
+	else
+	{
+		g_free( irc->last_root_cmd );
+		irc->last_root_cmd = NULL;
+		
+		irc_send_msg( irc->root, "PRIVMSG", irc->user->nick, text, NULL );
+	}
+	
+	/*return( irc_msgfrom( irc, u->nick, text ) );*/
+}
+
+void irc_send_join( irc_channel_t *ic, irc_user_t *iu )
+{
+	irc_t *irc = ic->irc;
+	
+	irc_write( irc, ":%s!%s@%s JOIN :%s", iu->nick, iu->user, iu->host, ic->name );
+	
+	if( iu == irc->user )
+	{
+		irc_write( irc, ":%s MODE %s +%s", irc->root->host, ic->name, ic->mode );
+		irc_send_names( ic );
+		irc_send_topic( ic, FALSE );
+	}
+}
+
+void irc_send_part( irc_channel_t *ic, irc_user_t *iu, const char *reason )
+{
+	irc_write( ic->irc, ":%s!%s@%s PART %s :%s", iu->nick, iu->user, iu->host, ic->name, reason );
+}
+
+void irc_send_names( irc_channel_t *ic )
+{
+	GSList *l;
+	char namelist[385] = "";
+	//char *ops = set_getstr( &ic->irc->b->set, "ops" );
+	
+	/* RFCs say there is no error reply allowed on NAMES, so when the
+	   channel is invalid, just give an empty reply. */
+	for( l = ic->users; l; l = l->next )
+	{
+		irc_user_t *iu = l->data;
+		
+		if( strlen( namelist ) + strlen( iu->nick ) > sizeof( namelist ) - 4 )
+		{
+			irc_send_num( ic->irc, 353, "= %s :%s", ic->name, namelist );
+			*namelist = 0;
+		}
+		
+		/*
+		if( u->ic && !u->away && set_getbool( &irc->set, "away_devoice" ) )
+			strcat( namelist, "+" );
+		else if( ( strcmp( u->nick, irc->mynick ) == 0 && ( strcmp( ops, "root" ) == 0 || strcmp( ops, "both" ) == 0 ) ) ||
+		         ( strcmp( u->nick, irc->nick ) == 0 && ( strcmp( ops, "user" ) == 0 || strcmp( ops, "both" ) == 0 ) ) )
+			strcat( namelist, "@" );
+		*/
+		
+		strcat( namelist, iu->nick );
+		strcat( namelist, " " );
+	}
+	
+	if( *namelist )
+		irc_send_num( ic->irc, 353, "= %s :%s", ic->name, namelist );
+	
+	irc_send_num( ic->irc, 366, "%s :End of /NAMES list", ic->name );
+}
+
+void irc_send_topic( irc_channel_t *ic, gboolean topic_change )
+{
+	if( topic_change && ic->topic_who )
+	{
+		irc_write( ic->irc, ":%s TOPIC %s :%s", ic->topic_who, 
+		           ic->name, ic->topic && *ic->topic ? ic->topic : "" );
+	}
+	else if( ic->topic )
+	{
+		irc_send_num( ic->irc, 332, "%s :%s", ic->name, ic->topic );
+		if( ic->topic_who )
+			irc_send_num( ic->irc, 333, "%s %s %d",
+			              ic->name, ic->topic_who, (int) ic->topic_time );
+	}
+	else
+		irc_send_num( ic->irc, 331, "%s :No topic for this channel", ic->name );
+}
+
+void irc_send_whois( irc_user_t *iu )
+{
+	irc_t *irc = iu->irc;
+	
+	irc_send_num( irc, 311, "%s %s %s * :%s",
+	              iu->nick, iu->user, iu->host, iu->fullname );
+	
+	if( iu->bu )
+	{
+		bee_user_t *bu = iu->bu;
+		
+		irc_send_num( irc, 312, "%s %s.%s :%s network", iu->nick, bu->ic->acc->user,
+		           bu->ic->acc->server && *bu->ic->acc->server ? bu->ic->acc->server : "",
+		           bu->ic->acc->prpl->name );
+		
+		if( bu->status )
+		{
+			if( bu->status_msg )
+				irc_send_num( irc, 301, "%s :%s (%s)", iu->nick, bu->status, bu->status_msg );
+			else
+				irc_send_num( irc, 301, "%s :%s", iu->nick, bu->status );
+		}
+		
+		/*
+		if( u->status_msg )
+			irc_send_num( irc, 333, "%s :Status: %s", u->nick, u->status_msg );
+		*/
+	}
+	else
+	{
+		irc_send_num( irc, 312, "%s %s :%s", iu->nick, irc->root->host, IRCD_INFO " " BITLBEE_VERSION );
+	}
+	
+	irc_send_num( irc, 318, "%s :End of /WHOIS list", iu->nick );
+}
+
+void irc_send_who( irc_t *irc, GSList *l, const char *channel )
+{
+	while( l )
+	{
+		irc_user_t *iu = l->data;
+		/* TODO(wilmer): Restore away/channel information here */
+		irc_send_num( irc, 352, "%s %s %s %s %s %c :0 %s",
+		              channel ? : "*", iu->user, iu->host, irc->root->host,
+		              iu->nick, 'H', iu->fullname );
+		l = l->next;
+	}
+	
+	irc_send_num( irc, 315, "%s :End of /WHO list", channel );
+}
+
+void irc_send_msg( irc_user_t *iu, const char *type, const char *dst, const char *msg, const char *prefix )
+{
+	char last = 0;
+	const char *s = msg, *line = msg;
+	char raw_msg[strlen(msg)+1024];
+	
+	while( !last )
+	{
+		if( *s == '\r' && *(s+1) == '\n' )
+			s++;
+		if( *s == '\n' )
+		{
+			last = s[1] == 0;
+		}
+		else
+		{
+			last = s[0] == 0;
+		}
+		if( *s == 0 || *s == '\n' )
+		{
+			if( g_strncasecmp( line, "/me ", 4 ) == 0 && ( !prefix || !*prefix ) &&
+			    g_strcasecmp( type, "PRIVMSG" ) == 0 )
+			{
+				strcpy( raw_msg, "\001ACTION " );
+				strncat( raw_msg, line + 4, s - line - 4 );
+				strcat( raw_msg, "\001" );
+				irc_send_msg_raw( iu, type, dst, raw_msg );
+			}
+			else
+			{
+				*raw_msg = '\0';
+				if( prefix && *prefix )
+					strcpy( raw_msg, prefix );
+				strncat( raw_msg, line, s - line );
+				irc_send_msg_raw( iu, type, dst, raw_msg );
+			}
+			line = s + 1;
+		}
+		s ++;
+	}
+}
+
+void irc_send_msg_raw( irc_user_t *iu, const char *type, const char *dst, const char *msg )
+{
+	irc_write( iu->irc, ":%s!%s@%s %s %s :%s",
+	           iu->nick, iu->user, iu->host, type, dst, msg );
+}
+
+void irc_send_nick( irc_user_t *iu, const char *new )
+{
+	irc_write( iu->irc, ":%s!%s@%s NICK %s",
+	           iu->nick, iu->user, iu->host, new );
+}