Initial repository (0.99 release tree)0.99

1 files changed, 1573 insertions, 0 deletions

diff --git a/irc.c b/irc.c
new file mode 100644
index 00000000..91b82548
--- /dev/null
+++ b/irc.c
@@ -0,0 +1,1573 @@
+  /********************************************************************\
+  * BitlBee -- An IRC to other IM-networks gateway                     *
+  *                                                                    *
+  * Copyright 2002-2004 Wilmer van der Gaast and others                *
+  \********************************************************************/
+
+/* The big hairy IRCd part of the project                               */
+
+/*
+  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
+*/
+
+#define BITLBEE_CORE
+#include "bitlbee.h"
+#include "crypting.h"
+
+static gboolean irc_userping( gpointer _irc );
+
+GSList *irc_connection_list = NULL;
+
+irc_t *irc_new( int fd )
+{
+	irc_t *irc = g_new0( irc_t, 1 );
+	
+	struct sockaddr_in sock[1];
+#ifdef IPV6
+	struct sockaddr_in6 sock6[1];
+#endif
+	struct hostent *peer;
+	unsigned int i, j;
+	
+	irc->fd = fd;
+	irc->io_channel = g_io_channel_unix_new( fd );
+#ifdef GLIB2
+	g_io_channel_set_encoding (irc->io_channel, NULL, NULL);
+	g_io_channel_set_buffered (irc->io_channel, FALSE);
+	g_io_channel_set_flags( irc->io_channel, G_IO_FLAG_NONBLOCK, NULL );
+#else
+	fcntl( irc->fd, F_SETFL, O_NONBLOCK);
+#endif
+	irc->r_watch_source_id = g_io_add_watch( irc->io_channel, G_IO_IN | G_IO_ERR | G_IO_HUP, bitlbee_io_current_client_read, irc );
+	
+	irc->status = USTATUS_OFFLINE;
+	irc->last_pong = gettime();
+	
+	irc->userhash = g_hash_table_new( g_str_hash, g_str_equal );
+	irc->watches = g_hash_table_new( g_str_hash, g_str_equal );
+	
+	strcpy( irc->umode, UMODE );
+	irc->mynick = g_strdup( ROOT_NICK );
+	irc->channel = g_strdup( ROOT_CHAN );
+	
+	i = sizeof( *sock );
+#ifdef IPV6
+	j = sizeof( *sock6 );
+#endif
+	if( global.conf->hostname )
+		irc->myhost = g_strdup( global.conf->hostname );
+	else if( getsockname( irc->fd, (struct sockaddr*) sock, &i ) == 0 && sock->sin_family == AF_INET )
+	{
+		if( ( peer = gethostbyaddr( (char*) &sock->sin_addr, sizeof( sock->sin_addr ), AF_INET ) ) )
+			irc->myhost = g_strdup( peer->h_name );
+	}
+#ifdef IPV6
+	else if( getsockname( irc->fd, (struct sockaddr*) sock6, &j ) == 0 && sock6->sin6_family == AF_INET6 )
+	{
+		if( ( peer = gethostbyaddr( (char*) &sock6->sin6_addr, sizeof( sock6->sin6_addr ), AF_INET6 ) ) )
+			irc->myhost = g_strdup( peer->h_name );
+	}
+#endif
+	
+	i = sizeof( *sock );
+#ifdef IPV6
+	j = sizeof( *sock6 );
+#endif
+	if( getpeername( irc->fd, (struct sockaddr*) sock, &i ) == 0 && sock->sin_family == AF_INET )
+	{
+		if( ( peer = gethostbyaddr( (char*) &sock->sin_addr, sizeof( sock->sin_addr ), AF_INET ) ) )
+			irc->host = g_strdup( peer->h_name );
+	}
+#ifdef IPV6
+	else if( getpeername( irc->fd, (struct sockaddr*) sock6, &j ) == 0 && sock6->sin6_family == AF_INET6 )
+	{
+		if( ( peer = gethostbyaddr( (char*) &sock6->sin6_addr, sizeof( sock6->sin6_addr ), AF_INET6 ) ) )
+			irc->host = g_strdup( peer->h_name );
+	}
+#endif
+	
+	if( !irc->host ) irc->host = g_strdup( "localhost." );
+	if( !irc->myhost ) irc->myhost = g_strdup( "localhost." );
+
+	if( global.conf->ping_interval > 0 && global.conf->ping_timeout > 0 )
+		irc->ping_source_id = g_timeout_add( global.conf->ping_interval * 1000, irc_userping, irc );
+	
+	irc_write( irc, ":%s NOTICE AUTH :%s", irc->myhost, "BitlBee-IRCd initialized, please go on" );
+
+	irc_connection_list = g_slist_append( irc_connection_list, irc );
+	
+	set_add( irc, "away_devoice", "true",  set_eval_away_devoice );
+	set_add( irc, "auto_connect", "true", set_eval_bool );
+	set_add( irc, "auto_reconnect", "false", set_eval_bool );
+	set_add( irc, "auto_reconnect_delay", "300", set_eval_int );
+	set_add( irc, "buddy_sendbuffer", "false", set_eval_bool );
+	set_add( irc, "buddy_sendbuffer_delay", "1", set_eval_int );
+	set_add( irc, "charset", "iso8859-1", set_eval_charset );
+	set_add( irc, "debug", "false", set_eval_bool );
+	set_add( irc, "default_target", "root", NULL );
+	set_add( irc, "display_namechanges", "false", set_eval_bool );
+	set_add( irc, "handle_unknown", "root", NULL );
+	/* set_add( irc, "html", "nostrip", NULL ); */
+	set_add( irc, "lcnicks", "true", set_eval_bool );
+	set_add( irc, "ops", "both", set_eval_ops );
+	set_add( irc, "private", "true", set_eval_bool );
+	set_add( irc, "query_order", "lifo", NULL );
+	set_add( irc, "save_on_quit", "true", set_eval_bool );
+	set_add( irc, "to_char", ": ", set_eval_to_char );
+	set_add( irc, "typing_notice", "false", set_eval_bool );
+	
+	conf_loaddefaults( irc );
+	
+	return( irc );
+}
+
+static gboolean irc_free_userhash( gpointer key, gpointer value, gpointer data )
+{
+	g_free( key );
+	
+	return( TRUE );
+}
+
+/* Because we have no garbage collection, this is quite annoying */
+void irc_free(irc_t * irc)
+{
+	account_t *account, *accounttmp;
+	user_t *user, *usertmp;
+	nick_t *nick, *nicktmp;
+	help_t *helpnode, *helpnodetmp;
+	set_t *setnode, *setnodetmp;
+	
+	log_message( LOGLVL_INFO, "Destroying connection with fd %d", irc->fd );
+	
+	if( irc->status >= USTATUS_IDENTIFIED && set_getint( irc, "save_on_quit" ) ) 
+		if( !bitlbee_save( irc ) )
+			irc_usermsg( irc, "Error while saving settings!" );
+	
+	if( irc->ping_source_id > 0 )
+		g_source_remove( irc->ping_source_id );
+	g_source_remove( irc->r_watch_source_id );
+	if( irc->w_watch_source_id > 0 )
+		g_source_remove( irc->w_watch_source_id );
+	g_io_channel_close( irc->io_channel );
+	g_io_channel_unref( irc->io_channel );
+	irc_connection_list = g_slist_remove( irc_connection_list, irc );
+	
+	for (account = irc->accounts; account; account = account->next)
+		if (account->gc)
+			signoff(account->gc);
+	
+	g_free(irc->sendbuffer);
+	g_free(irc->readbuffer);
+	
+	g_free(irc->nick);
+	g_free(irc->user);
+	g_free(irc->host);
+	g_free(irc->realname);
+	g_free(irc->password);
+	
+	g_free(irc->myhost);
+	g_free(irc->mynick);
+	
+	g_free(irc->channel);
+	
+	while (irc->queries != NULL)
+		query_del(irc, irc->queries);
+	
+	if (irc->accounts != NULL) {
+		account = irc->accounts;
+		while (account != NULL) {
+			g_free(account->user);
+			g_free(account->pass);
+			g_free(account->server);
+			accounttmp = account;
+			account = account->next;
+			g_free(accounttmp);
+		}
+	}
+	
+	if (irc->users != NULL) {
+		user = irc->users;
+		while (user != NULL) {
+			g_free(user->nick);
+			g_free(user->away);
+			g_free(user->handle);
+			if(user->user!=user->nick) g_free(user->user);
+			if(user->host!=user->nick) g_free(user->host);
+			if(user->realname!=user->nick) g_free(user->realname);
+			gaim_input_remove(user->sendbuf_timer);
+					
+			usertmp = user;
+			user = user->next;
+			g_free(usertmp);
+		}
+	}
+	
+	g_hash_table_foreach_remove(irc->userhash, irc_free_userhash, NULL);
+	g_hash_table_destroy(irc->userhash);
+	
+	g_hash_table_foreach_remove(irc->watches, irc_free_userhash, NULL);
+	g_hash_table_destroy(irc->watches);
+	
+	if (irc->nicks != NULL) {
+		nick = irc->nicks;
+		while (nick != NULL) {
+			g_free(nick->nick);
+			g_free(nick->handle);
+					
+			nicktmp = nick;
+			nick = nick->next;
+			g_free(nicktmp);
+		}
+	}
+	if (irc->help != NULL) {
+		helpnode = irc->help;
+		while (helpnode != NULL) {
+			g_free(helpnode->string);
+			
+			helpnodetmp = helpnode;
+			helpnode = helpnode->next;
+			g_free(helpnodetmp);
+		}
+	}
+	if (irc->set != NULL) {
+		setnode = irc->set;
+		while (setnode != NULL) {
+			g_free(setnode->key);
+			g_free(setnode->def);
+			g_free(setnode->value);
+			
+			setnodetmp = setnode;
+			setnode = setnode->next;
+			g_free(setnodetmp);
+		}
+	}
+	g_free(irc);
+	
+	if( global.conf->runmode == RUNMODE_INETD )
+		g_main_quit( global.loop );
+}
+
+int irc_process( irc_t *irc )
+{
+	char **lines, *temp;	
+	int i;
+
+	if( irc->readbuffer != NULL ) {
+		lines = irc_tokenize(irc->readbuffer );
+		for( i = 0; *lines[i] != '\0'; i++ ) {
+			if( lines[i+1] == NULL ) {
+				temp = g_strdup( lines[i] );
+				g_free( irc->readbuffer );
+				irc->readbuffer = temp;
+				i++;
+				break;
+			}			
+			if (!irc_process_line(irc, lines[i])) {
+				g_free( lines );
+				return 0;
+			}
+		}
+		if(lines[i]!=NULL) {
+			g_free(irc->readbuffer);
+			irc->readbuffer=NULL;	
+		}
+		g_free( lines );
+	}
+	return 1;	
+}
+
+char **irc_tokenize( char *buffer )
+{
+	int i, j;
+	char **lines;
+
+	/* Count the number of elements we're gonna need. */
+	for(i=0, j=1; buffer[i]!='\0'; i++ ) {
+		if(buffer[i]=='\n' )
+			if(buffer[i+1]!='\r' && buffer[i+1]!='\n')
+				j++;
+	}
+	
+	/* Allocate j+1 elements. */
+	lines=g_new (char *, j+1);
+	
+	/* NULL terminate our list. */ 
+	lines[j]=NULL;
+	
+	lines[0]=buffer;
+	
+	/* Split the buffer in several strings, using \r\n as our seperator, where \r is optional.
+	 * Although this is not in the RFC, some braindead ircds (newnet's) use this, so some clients might too. 
+	 */
+	for( i=0, j=0; buffer[i]!='\0'; i++) {
+		if(buffer[i]=='\n') {
+			buffer[i]='\0';
+
+			/* We dont want to read 1 byte before our buffer
+			 * and (in rare cases) generate a SIGSEGV.
+			 */
+			if(i!=0)
+				if(buffer[i-1]=='\r')
+					buffer[i-1]='\0';
+			if(buffer[i+1]!='\r'&&buffer[i+1]!='\n')
+				lines[++j]=buffer+i+1;
+		}
+	}
+
+	return(lines);
+}
+
+int irc_process_line( irc_t *irc, char *line )
+{
+	int i, j;
+	char **cmd;
+	
+	/* Move the line pointer to the start of the command, skipping spaces and the optional prefix. */
+	if(line[0]==':') {
+		for(i=0; line[i]!=32; i++);
+		line=line+i;
+	}
+	for(i=0; line[i]==32; i++);
+	line=line+i;
+
+	/* If we're already at the end of the line, return. If not, we're going to need at least one element. */
+	if(line[0]=='\0')
+		return 1;
+	else
+		j=1;	
+	
+	/* Count the number of char **cmd elements we're going to need. */	
+	for(i=0; line[i]!='\0'; i++) {
+		if((line[i]==32) && (line[i+1]!=32) && (line[i+1]!='\0') && (line[i+1]!=':'))		
+			j++;
+		else if((line[i]==':') && (line[i+1]!='\0') && (line[i-1]==32)) {
+			j++;
+			break;
+		}
+			
+	}	
+
+	/* Allocate the space we need. */
+	cmd=g_new(char *, j+1);
+	cmd[j]=NULL;
+	
+	/* Do the actual line splitting, format is:
+	 * Input: "PRIVMSG #bitlbee :foo bar"
+	 * Output: cmd[0]=="PRIVMSG", cmd[1]=="#bitlbee", cmd[2]=="foo bar", cmd[3]==NULL
+	 */
+
+	cmd[0]=line;
+	for(i=0, j=0; line[i]!='\0'; i++) {
+		if((line[i]==32)) {
+			line[i]='\0';
+			if((line[i+1]!=32) && (line[i+1]!='\0') && (line[i+1]!=':')) 		
+				cmd[++j]=line+i+1;
+		}
+		else if((line[i]==':') && (line[i+1]!='\0') && (line[i-1]=='\0')) {
+			cmd[++j]=line+i+1;
+			break;
+		}
+	}
+	
+	i=irc_exec(irc, cmd);
+	g_free(cmd);
+
+	return(i);	
+}
+
+int irc_exec( irc_t *irc, char **cmd )
+{	
+	int i;
+
+	if( (global.conf)->authmode == AUTHMODE_CLOSED && irc->status < USTATUS_AUTHORIZED )
+	{
+		if( g_strcasecmp( cmd[0], "PASS" ) == 0 )
+		{
+			if( !cmd[1] )
+			{
+				irc_reply( irc, 461, "%s :Need more parameters", cmd[0] );
+			}
+			else if( strcmp( cmd[1], (global.conf)->password ) == 0 )
+			{
+				irc->status = USTATUS_AUTHORIZED;
+			}
+			else
+			{
+				irc_reply( irc, 464, ":Nope, maybe you should try it again..." );
+			}
+		}
+		else
+		{
+			irc_reply( irc, 464, ":Uhh, fine, but I want the password first." );
+		}
+		
+		return( 1 );
+	}
+	
+	if( g_strcasecmp( cmd[0], "USER" ) == 0 )
+	{
+		if( !( cmd[1] && cmd[2] && cmd[3] && cmd[4] ) )
+		{
+			irc_reply( irc, 461, "%s :Need more parameters", cmd[0] );
+		}
+		else if( irc->user )
+		{
+			irc_reply( irc, 462, ":You can't change your nick/userinfo" );
+		}
+		else
+		{
+			irc->user = g_strdup( cmd[1] );
+			irc->realname = g_strdup( cmd[4] );
+			if( irc->nick ) irc_login( irc );
+		}
+		return( 1 );
+	}
+	else if( g_strcasecmp( cmd[0], "NICK" ) == 0 )
+	{
+		if( !cmd[1] )
+		{
+			irc_reply( irc, 461, "%s :Need more parameters", cmd[0] );
+		}
+		else if( irc->nick )
+		{
+			irc_reply( irc, 438, ":The hand of the deity is upon thee, thy nick may not change" );
+		}
+		/* This is not clean, but for now it'll have to be like this... */
+		else if( ( nick_cmp( cmd[1], irc->mynick ) == 0 ) || ( nick_cmp( cmd[1], NS_NICK ) == 0 ) )
+		{
+			irc_reply( irc, 433, ":This nick is already in use" );
+		}
+		else if( !nick_ok( cmd[1] ) )
+		{
+			/* [SH] Invalid characters. */
+			irc_reply( irc, 432, ":This nick contains invalid characters" );
+		}
+		else
+		{
+			irc->nick = g_strdup( cmd[1] );
+			if( irc->user ) irc_login( irc );
+		}
+		return( 1 );
+	}
+	
+	if( !irc->user || !irc->nick )
+	{
+		irc_reply( irc, 451, ":Register first" );
+		return( 1 );
+	}
+	
+	if( g_strcasecmp( cmd[0], "PING" ) == 0 )
+	{
+		irc_write( irc, ":%s PONG %s :%s", irc->myhost, irc->myhost, cmd[1]?cmd[1]:irc->myhost );
+	}
+	else if( g_strcasecmp( cmd[0], "MODE" ) == 0 )
+	{
+		if( !cmd[1] )
+		{
+			irc_reply( irc, 461, "%s :Need more parameters", cmd[0] );
+		}
+		else if( *cmd[1] == '#' )
+		{
+			if( cmd[2] )
+			{
+				if( *cmd[2] == '+' || *cmd[2] == '-' )
+					irc_reply( irc, 477, "%s :Can't change channel modes", cmd[1] );
+				else if( *cmd[2] == 'b' )
+					irc_reply( irc, 368, "%s :No bans possible", cmd[1] );
+			}
+			else
+				irc_reply( irc, 324, "%s +%s", cmd[1], CMODE );
+		}
+		else
+		{
+			if( nick_cmp( cmd[1], irc->nick ) == 0 )
+			{
+				if( cmd[2] )
+					irc_umode_set( irc, irc->nick, cmd[2] );
+			}
+			else
+				irc_reply( irc, 502, ":Don't touch their modes" );
+		}
+	}
+	else if( g_strcasecmp( cmd[0], "NAMES" ) == 0 )
+	{
+		irc_names( irc, cmd[1]?cmd[1]:irc->channel );
+	}
+	else if( g_strcasecmp( cmd[0], "PART" ) == 0 )
+	{
+		struct conversation *c;
+		
+		if( !cmd[1] )
+		{
+			irc_reply( irc, 461, "%s :Need more parameters", cmd[0] );
+		}
+		else if( g_strcasecmp( cmd[1], irc->channel ) == 0 )
+		{
+			user_t *u = user_find( irc, irc->nick );
+			
+			/* Not allowed to leave control channel */
+			irc_part( irc, u, irc->channel );
+			irc_join( irc, u, irc->channel );
+		}
+		else if( ( c = conv_findchannel( cmd[1] ) ) )
+		{
+			user_t *u = user_find( irc, irc->nick );
+			
+			irc_part( irc, u, c->channel );
+			
+			if( c->gc && c->gc->prpl )
+			{
+				c->joined = 0;
+				c->gc->prpl->chat_leave( c->gc, c->id );
+			}
+		}
+		else
+		{
+			irc_reply( irc, 403, "%s :No such channel", cmd[1] );
+		}
+	}
+	else if( g_strcasecmp( cmd[0], "JOIN" ) == 0 )
+	{
+		if( !cmd[1] )
+		{
+			irc_reply( irc, 461, "%s :Need more parameters", cmd[0] );
+		}
+		else if( g_strcasecmp( cmd[1], irc->channel ) == 0 )
+			; /* Dude, you're already there...
+			     RFC doesn't have any reply for that though? */
+		else if( cmd[1] )
+		{
+			if( cmd[1][0] == '#' && cmd[1][1] )
+			{
+				user_t *u = user_find( irc, cmd[1] + 1 );
+				
+				if( u && u->gc && u->gc->prpl && u->gc->prpl->chat_open )
+				{
+					irc_reply( irc, 403, "%s :Initializing groupchat in a different channel", cmd[1] );
+					
+					if( !u->gc->prpl->chat_open( u->gc, u->handle ) )
+					{
+						irc_usermsg( irc, "Could not open a groupchat with %s, maybe you don't have a connection to him/her yet?", u->nick );
+					}
+				}
+				else
+				{
+					irc_reply( irc, 403, "%s :Groupchats are not possible with %s", cmd[1], cmd[1]+1 );
+				}
+			}
+			else
+			{
+				irc_reply( irc, 403, "%s :No such channel", cmd[1] );
+			}
+		}
+	}
+	else if( g_strcasecmp( cmd[0], "INVITE" ) == 0 )
+	{
+		if( cmd[1] && cmd[2] )
+			irc_invite( irc, cmd[1], cmd[2] );
+		else
+			irc_reply( irc, 461, "%s :Need more parameters", cmd[0] );
+	}
+	else if( g_strcasecmp( cmd[0], "PRIVMSG" ) == 0 || g_strcasecmp( cmd[0], "NOTICE" ) == 0 )
+	{
+		if( !cmd[1] )
+		{
+			irc_reply( irc, 461, "%s :Need more parameters", cmd[0] );
+		} 
+		else if ( !cmd[2] ) 
+		{
+			irc_reply( irc, 412, ":No text to send" );
+		}
+		else if ( irc->nick && g_strcasecmp( cmd[1], irc->nick ) == 0 ) 
+		{
+			irc_write( irc, ":%s!%s@%s PRIVMSG %s :%s", irc->nick, irc->user, irc->host, cmd[1], cmd[2] ); 
+		}
+		else 
+		{
+			if( g_strcasecmp( cmd[1], irc->channel ) == 0 )
+			{
+				unsigned int i;
+				char *t = set_getstr( irc, "default_target" );
+				
+				if( g_strcasecmp( t, "last" ) == 0 && irc->last_target )
+					cmd[1] = irc->last_target;
+				else if( g_strcasecmp( t, "root" ) == 0 )
+					cmd[1] = irc->mynick;
+				
+				for( i = 0; i < strlen( cmd[2] ); i ++ )
+				{
+					if( cmd[2][i] == ' ' ) break;
+					if( cmd[2][i] == ':' || cmd[2][i] == ',' )
+					{
+						cmd[1] = cmd[2];
+						cmd[2] += i;
+						*cmd[2] = 0;
+						while( *(++cmd[2]) == ' ' );
+						break;
+					}
+				}
+				
+				irc->is_private = 0;
+				
+				if( cmd[1] != irc->last_target )
+				{
+					if( irc->last_target )
+						g_free( irc->last_target );
+					irc->last_target = g_strdup( cmd[1] );
+				}
+			}
+			else
+			{
+				irc->is_private = 1;
+			}
+			irc_send( irc, cmd[1], cmd[2], ( g_strcasecmp( cmd[0], "NOTICE" ) == 0 ) ? IM_FLAG_AWAY : 0 );
+		}
+	}
+	else if( g_strcasecmp( cmd[0], "QUIT" ) == 0 )
+	{
+		irc_write( irc, "ERROR :%s%s", cmd[1]?"Quit: ":"", cmd[1]?cmd[1]:"Client Quit" );
+		g_io_channel_close( irc->io_channel );
+		return( 0 );
+	}
+	else if( g_strcasecmp( cmd[0], "WHO" ) == 0 )
+	{
+		irc_who( irc, cmd[1] );
+	}
+	else if( g_strcasecmp( cmd[0], "USERHOST" ) == 0 )
+	{
+		user_t *u;
+		
+		if( !cmd[1] )
+		{
+			irc_reply( irc, 461, "%s :Need more parameters", cmd[0] );
+		}
+		/* [TV] Usable USERHOST-implementation according to
+			RFC1459. Without this, mIRC shows an error
+			while connecting, and the used way of rejecting
+			breaks standards.
+		*/
+		
+		for( i = 1; cmd[i]; i ++ )
+			if( ( u = user_find( irc, cmd[i] ) ) )
+			{
+				if( u->online && u->away )
+					irc_reply( irc, 302, ":%s=-%s@%s", u->nick, u->user, u->host );
+				else
+					irc_reply( irc, 302, ":%s=+%s@%s", u->nick, u->user, u->host );
+			}
+	}
+	else if( g_strcasecmp( cmd[0], "ISON" ) == 0 )
+	{
+		user_t *u;
+		char buff[IRC_MAX_LINE];
+		int lenleft;
+		
+		buff[0] = '\0';
+		
+		/* [SH] Leave room for : and \0 */
+		lenleft = IRC_MAX_LINE - 2;
+		
+		for( i = 1; cmd[i]; i ++ )
+		{
+			if( ( u = user_find( irc, cmd[i] ) ) && u->online )
+			{
+				/* [SH] Make sure we don't use too much buffer space. */
+				lenleft -= strlen( u->nick ) + 1;
+				
+				if( lenleft < 0 )
+				{
+					break;
+				}
+				
+				/* [SH] Add the nick to the buffer. Note
+				 * that an extra space is always added. Even
+				 * if it's the last nick in the list. Who
+				 * cares?
+				 */
+				
+				strcat( buff, u->nick );
+				strcat( buff, " " );
+			}
+		}
+		
+		/* [WvG] Well, maybe someone cares, so why not remove it? */
+		if( strlen( buff ) > 0 )
+			buff[strlen(buff)-1] = '\0';
+		
+		/* [SH] By the way, that really *was* WvG talking. */
+		/* [WvG] Really? */
+		/* [SH] Yeah... But *this* is WvG talking too. ;-P */
+		/* [WvG] *sigh* */
+		
+		irc_reply( irc, 303, ":%s", buff );
+	}
+	else if( g_strcasecmp( cmd[0], "WATCH" ) == 0 )
+	{
+		/* Obviously we could also mark a user structure as being
+		   watched, but what if the WATCH command is sent right
+		   after connecting? The user won't exist yet then... */
+		for( i = 1; cmd[i]; i ++ )
+		{
+			char *nick;
+			user_t *u;
+			
+			if( !cmd[i][0] || !cmd[i][1] )
+				break;
+			
+			nick = g_strdup( cmd[i] + 1 );
+			nick_lc( nick );
+			
+			u = user_find( irc, nick );
+			
+			if( cmd[i][0] == '+' )
+			{
+				if( !g_hash_table_lookup( irc->watches, nick ) )
+					g_hash_table_insert( irc->watches, nick, nick );
+				
+				if( u && u->online )
+					irc_reply( irc, 604, "%s %s %s %d :%s", u->nick, u->user, u->host, time( NULL ), "is online" );
+				else
+					irc_reply( irc, 605, "%s %s %s %d :%s", nick, "*", "*", time( NULL ), "is offline" );
+			}
+			else if( cmd[i][0] == '-' )
+			{
+				gpointer okey, ovalue;
+				
+				if( g_hash_table_lookup_extended( irc->watches, nick, &okey, &ovalue ) )
+				{
+					g_free( okey );
+					g_hash_table_remove( irc->watches, okey );
+					
+					irc_reply( irc, 602, "%s %s %s %d :%s", nick, "*", "*", 0, "Stopped watching" );
+				}
+			}
+		}
+	}
+	else if( g_strcasecmp( cmd[0], "TOPIC" ) == 0 )
+	{
+		if( cmd[1] && cmd[2] )
+			irc_reply( irc, 482, "%s :Cannot change topic", cmd[1] );
+		else if( cmd[1] )
+			irc_topic( irc, cmd[1] );
+		else
+			irc_reply( irc, 461, "%s :Need more parameters", cmd[0] );
+	}
+	else if( g_strcasecmp( cmd[0], "AWAY" ) == 0 )
+	{
+		irc_away( irc, cmd[1] );
+	}
+	else if( g_strcasecmp( cmd[0], "WHOIS" ) == 0 )
+	{
+		if( cmd[1] )
+		{
+			irc_whois( irc, cmd[1] );
+		}
+		else
+		{
+			irc_reply( irc, 461, "%s :Need more parameters", cmd[0] );
+		}
+	}
+	else if( g_strcasecmp( cmd[0], "WHOWAS" ) == 0 )
+	{
+		/* For some reason irssi tries a whowas when whois fails. We can
+		   ignore this, but then the user never gets a "user not found"
+		   message from irssi which is a bit annoying. So just respond
+		   with not-found and irssi users will get better error messages */
+		
+		if( cmd[1] )
+		{
+			irc_reply( irc, 406, "%s :Nick does not exist", cmd[1] );
+			irc_reply( irc, 369, "%s :End of WHOWAS", cmd[1] );
+		}
+		else
+		{
+			irc_reply( irc, 461, "%s :Need more parameters", cmd[0] );
+		}
+	}
+	else if( ( g_strcasecmp( cmd[0], "NICKSERV" ) == 0 ) || ( g_strcasecmp( cmd[0], "NS" ) == 0 ) )
+	{
+		/* [SH] This aliases the NickServ command to PRIVMSG root */
+		/* [TV] This aliases the NS command to PRIVMSG root as well */
+		root_command( irc, cmd + 1 );
+	}
+	else if( g_strcasecmp( cmd[0], "MOTD" ) == 0 )
+	{
+		irc_motd( irc );
+	}
+	else if( g_strcasecmp( cmd[0], "PONG" ) == 0 )
+	{
+		/* We could check the value we get back from the user, but in
+		   fact we don't care, we're just happy he's still alive. */
+		irc->last_pong = gettime();
+		irc->pinging = 0;
+	}
+	else if( g_strcasecmp( cmd[0], "COMPLETIONS" ) == 0 )
+	{
+		user_t *u = user_find( irc, irc->mynick );
+		help_t *h;
+		set_t *s;
+		int i;
+		
+		irc_privmsg( irc, u, "NOTICE", irc->nick, "COMPLETIONS ", "OK" );
+		
+		for( i = 0; commands[i].command; i ++ )
+			irc_privmsg( irc, u, "NOTICE", irc->nick, "COMPLETIONS ", commands[i].command );
+		
+		for( h = global.help; h; h = h->next )
+			irc_privmsg( irc, u, "NOTICE", irc->nick, "COMPLETIONS help ", h->string );
+		
+		for( s = irc->set; s; s = s->next )
+			irc_privmsg( irc, u, "NOTICE", irc->nick, "COMPLETIONS set ", s->key );
+		
+		irc_privmsg( irc, u, "NOTICE", irc->nick, "COMPLETIONS ", "END" );
+	}
+	else if( set_getint( irc, "debug" ) )
+	{
+		irc_usermsg( irc, "\002--- Unknown command:" );
+		for( i = 0; cmd[i]; i ++ ) irc_usermsg( irc, "%s", cmd[i] );
+		irc_usermsg( irc, "\002--------------------" );
+	}
+	
+	return( 1 );
+}
+
+void irc_reply( 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->myhost, code, irc->nick?irc->nick:"*", text );
+	
+	return;
+}
+
+int irc_usermsg( irc_t *irc, char *format, ... )
+{
+	char text[1024];
+	va_list params;
+	char is_private = 0;
+	user_t *u;
+	
+	u = user_find( irc, irc->mynick );
+	if( u ) is_private = u->is_private;
+	
+	va_start( params, format );
+	g_vsnprintf( text, sizeof( text ), format, params );
+	va_end( params );
+	
+	return( irc_msgfrom( irc, u->nick, text ) );
+}
+
+void irc_write( irc_t *irc, char *format, ... ) 
+{
+	va_list params;
+
+	va_start( params, format );
+	irc_vawrite( irc, format, params );	
+	va_end( params );
+
+	return;
+
+}
+
+void irc_vawrite( irc_t *irc, char *format, va_list params )
+{
+	int size;
+	char line[IRC_MAX_LINE];
+	
+	if( irc->quit )
+		return;
+
+	g_vsnprintf( line, IRC_MAX_LINE - 3, format, params );
+
+	strip_newlines( line );
+	strcat( line, "\r\n" );
+
+	if( irc->sendbuffer != NULL ) {
+		size = strlen( irc->sendbuffer ) + strlen( line );
+#ifdef FLOOD_SEND
+		if( size > FLOOD_SEND_MAXBUFFER ) {
+			/* Die flooder, die! >:) */
+
+			g_free(irc->sendbuffer);
+			
+			/* We need the \r\n at the start because else we might append our string to a half
+			 * sent line. A bit hackish, but it works.
+			 */
+			irc->sendbuffer = g_strdup( "\r\nERROR :Sendq Exceeded\r\n" );
+			irc->quit = 1;
+			
+			return;
+		}
+#endif
+		irc->sendbuffer = g_renew ( char, irc->sendbuffer, size + 1 );
+		strcpy( ( irc->sendbuffer + strlen( irc->sendbuffer ) ), line );
+	}
+	else 
+		irc->sendbuffer = g_strdup(line);	
+	
+	if( irc->w_watch_source_id == 0 )
+	{
+		irc->w_watch_source_id = g_io_add_watch( irc->io_channel, G_IO_OUT, bitlbee_io_current_client_write, irc );
+	}
+	
+	return;
+}
+
+void irc_write_all( char *format, ... )
+{
+	va_list params;
+	GSList *temp;	
+
+	va_start( params, format );
+
+	temp = irc_connection_list;
+	while( temp!=NULL ) {
+		irc_vawrite( temp->data, format, params );
+		temp = temp->next;
+	}
+
+	va_end( params );
+	return;
+} 
+
+void irc_names( irc_t *irc, char *channel )
+{
+	user_t *u = irc->users;
+	char *s;
+	int control = ( g_strcasecmp( channel, irc->channel ) == 0 );
+	struct conversation *c = NULL;
+	
+	if( !control )
+		c = conv_findchannel( channel );
+	
+	/* RFC's say there is no error reply allowed on NAMES, so when the
+	   channel is invalid, just give an empty reply. */
+	
+	if( control || c ) while( u )
+	{
+		if( u->online )
+		{
+			if( u->gc && control )
+			{
+				if( set_getint( irc, "away_devoice" ) && !u->away )
+					s = "+";
+				else
+					s = "";
+				
+				irc_reply( irc, 353, "@ %s :%s%s", channel, s, u->nick );
+			}
+			else if( !u->gc )
+			{
+				if( strcmp( u->nick, irc->mynick ) == 0 && ( strcmp( set_getstr( irc, "ops" ), "root" ) == 0 || strcmp( set_getstr( irc, "ops" ), "both" ) == 0 ) )
+					s = "@";
+				else if( strcmp( u->nick, irc->nick ) == 0 && ( strcmp( set_getstr( irc, "ops" ), "user" ) == 0 || strcmp( set_getstr( irc, "ops" ), "both" ) == 0 ) )
+					s = "@";
+				else
+					s = "";
+				
+				irc_reply( irc, 353, "@ %s :%s%s", channel, s, u->nick );
+			}
+		}
+		
+		u = u->next;
+	}
+	
+	/* For non-controlchannel channels (group conversations) only root and
+	   you are listed now. Time to show the channel people: */
+	if( !control && c )
+	{
+		GList *l;
+		
+		for( l = c->in_room; l; l = l->next )
+			if( ( u = user_findhandle( c->gc, l->data ) ) )
+				irc_reply( irc, 353, "@ %s :%s%s", channel, "", u->nick );
+	}
+	
+	irc_reply( irc, 366, "%s :End of /NAMES list", channel );
+}
+
+void irc_who( irc_t *irc, char *channel )
+{
+	user_t *u = irc->users;
+	struct conversation *c;
+	GList *l;
+	
+	if( !channel || *channel == '0' || *channel == '*' || !*channel )
+		while( u )
+		{
+			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 );
+			u = u->next;
+		}
+	else if( g_strcasecmp( channel, irc->channel ) == 0 )
+		while( u )
+		{
+			if( u->online )
+				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 );
+			u = u->next;
+		}
+	else if( ( c = conv_findchannel( channel ) ) )
+		for( l = c->in_room; l; l = l->next )
+		{
+			if( ( u = user_findhandle( c->gc, l->data ) ) )
+				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 );
+		}
+	else if( ( u = user_find( irc, channel ) ) )
+		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 );
+	
+	irc_reply( irc, 315, "%s :End of /WHO list.", channel?channel:"**" );
+}
+
+void irc_login( irc_t *irc )
+{
+	user_t *u;
+	
+	irc_reply( irc,   1, ":Welcome to the BitlBee gateway, %s", irc->nick );
+	irc_reply( irc,   2, ":Host %s is running BitlBee " BITLBEE_VERSION " " ARCH "/" CPU ".", irc->myhost );
+	irc_reply( irc,   3, ":%s", IRCD_INFO );
+	irc_reply( irc,   4, "%s %s %s %s", irc->myhost, BITLBEE_VERSION, UMODES, CMODES );
+	irc_motd( irc );
+	irc_umode_set( irc, irc->myhost, "+" UMODE );
+
+	u = user_add( irc, irc->mynick );
+	u->host = g_strdup( irc->myhost );
+	u->realname = g_strdup( ROOT_FN );
+	u->online = 1;
+	u->send_handler = root_command_string;
+	u->is_private = 0; /* [SH] The channel is root's personal playground. */
+	irc_spawn( irc, u );
+	
+	u = user_add( irc, NS_NICK );
+	u->host = g_strdup( irc->myhost );
+	u->realname = g_strdup( ROOT_FN );
+	u->online = 0;
+	u->send_handler = root_command_string;
+	u->is_private = 1; /* [SH] NickServ is not in the channel, so should always /query. */
+	
+	u = user_add( irc, irc->nick );
+	u->user = g_strdup( irc->user );
+	u->host = g_strdup( irc->host );
+	u->realname = g_strdup( irc->realname );
+	u->online = 1;
+//	u->send_handler = msg_echo;
+	irc_spawn( irc, u );
+	
+	irc_usermsg( irc, "Welcome to the BitlBee gateway!\n\nIf you've never used BitlBee before, please do read the help information using the help command. Lots of FAQ's are answered there." );
+	
+	irc->status = USTATUS_LOGGED_IN;
+}
+
+void irc_motd( irc_t *irc )
+{
+	int fd;
+	
+	fd = open( global.conf->motdfile, O_RDONLY );
+	if( fd == -1 )
+	{
+		irc_reply( 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_reply( irc, 375, ":- %s Message Of The Day - ", irc->myhost );
+		while( read( fd, linebuf + len, 1 ) == 1 )
+		{
+			if( linebuf[len] == '\n' || len == max )
+			{
+				linebuf[len] = 0;
+				irc_reply( irc, 372, ":- %s", linebuf );
+				len = 0;
+			}
+			else if( linebuf[len] == '%' )
+			{
+				read( fd, linebuf + len, 1 );
+				if( linebuf[len] == 'h' )
+					add = irc->myhost;
+				else if( linebuf[len] == 'v' )
+					add = BITLBEE_VERSION;
+				else if( linebuf[len] == 'n' )
+					add = irc->nick;
+				else
+					add = "%";
+				
+				strncpy( linebuf + len, add, max - len );
+				while( linebuf[++len] );
+			}
+			else if( len < max )
+			{
+				len ++;
+			}
+		}
+		irc_reply( irc, 376, ":End of MOTD" );
+		closesocket( fd );
+	}
+}
+
+void irc_topic( irc_t *irc, char *channel )
+{
+	if( g_strcasecmp( channel, irc->channel ) == 0 )
+	{
+		irc_reply( irc, 332, "%s :%s", channel, CONTROL_TOPIC );
+	}
+	else
+	{
+		struct conversation *c = conv_findchannel( channel );
+		
+		if( c )
+			irc_reply( irc, 332, "%s :BitlBee groupchat: \"%s\". Please keep in mind that root-commands won't work here. Have fun!", channel, c->title );
+		else
+			irc_reply( irc, 331, "%s :No topic for this channel" );
+	}
+}
+
+void irc_whois( irc_t *irc, char *nick )
+{
+	user_t *u = user_find( irc, nick );
+	
+	if( u )
+	{
+		irc_reply( irc, 311, "%s %s %s * :%s", u->nick, u->user, u->host, u->realname );
+		
+		if( u->gc )
+			irc_reply( irc, 312, "%s %s.%s :%s network", u->nick, u->gc->user->username,
+			           *u->gc->user->proto_opt[0] ? u->gc->user->proto_opt[0] : "", proto_name[u->gc->user->protocol] );
+		else
+			irc_reply( irc, 312, "%s %s :%s", u->nick, irc->myhost, IRCD_INFO );
+		
+		if( !u->online )
+			irc_reply( irc, 301, "%s :%s", u->nick, "User is offline" );
+		else if( u->away )
+			irc_reply( irc, 301, "%s :%s", u->nick, u->away );
+		
+		irc_reply( irc, 318, "%s :End of /WHOIS list", nick );
+	}
+	else
+	{
+		irc_reply( irc, 401, "%s :Nick does not exist", nick );
+	}
+}
+
+
+void irc_umode_set( irc_t *irc, char *who, char *s )
+{
+	char m[256], st = 1, *t;
+	int i;
+	
+	memset( m, 0, sizeof( m ) );
+	
+	for( t = irc->umode; *t; t ++ )
+		m[(int)*t] = 1;
+	
+	for( t = s; *t; t ++ )
+	{
+		if( *t == '+' || *t == '-' )
+			st = *t == '+';
+		else
+			m[(int)*t] = st;
+	}
+	
+	memset( irc->umode, 0, sizeof( irc->umode ) );
+	
+	for( i = 0; i < 256 && strlen( irc->umode ) < ( sizeof( irc->umode ) - 1 ); i ++ )
+		if( m[i] && strchr( UMODES, i ) )
+			irc->umode[strlen(irc->umode)] = i;
+	
+	irc_reply( irc, 221, "+%s", irc->umode );
+}
+
+int irc_away( irc_t *irc, char *away )
+{
+	user_t *u = user_find( irc, irc->nick );
+	GSList *c = get_connections();
+	
+	if( !u ) return( 0 );
+	
+	if( away && *away )
+	{
+		int i, j;
+		
+		/* Copy away string, but skip control chars. Mainly because
+		   Jabber really doesn't like them. */
+		u->away = g_malloc( strlen( away ) + 1 );
+		for( i = j = 0; away[i]; i ++ )
+			if( ( u->away[j] = away[i] ) >= ' ' )
+				j ++;
+		u->away[j] = 0;
+		
+		irc_reply( irc, 306, ":You're now away: %s", u->away );
+		/* irc_umode_set( irc, irc->myhost, "+a" ); */
+	}
+	else
+	{
+		if( u->away ) g_free( u->away );
+		u->away = NULL;
+		/* irc_umode_set( irc, irc->myhost, "-a" ); */
+		irc_reply( irc, 305, ":Welcome back" );
+	}
+	
+	while( c )
+	{
+		if( ((struct gaim_connection *)c->data)->flags & OPT_LOGGED_IN )
+			proto_away( c->data, u->away );
+		
+		c = c->next;
+	}
+	
+	return( 1 );
+}
+
+void irc_spawn( irc_t *irc, user_t *u )
+{
+	irc_join( irc, u, irc->channel );
+}
+
+void irc_join( irc_t *irc, user_t *u, char *channel )
+{
+	char *nick;
+	
+	if( ( g_strcasecmp( channel, irc->channel ) != 0 ) || user_find( irc, irc->nick ) )
+		irc_write( irc, ":%s!%s@%s JOIN :%s", u->nick, u->user, u->host, channel );
+	
+	if( nick_cmp( u->nick, irc->nick ) == 0 )
+	{
+		irc_write( irc, ":%s MODE %s +%s", irc->myhost, channel, CMODE );
+		irc_names( irc, channel );
+		irc_topic( irc, channel );
+	}
+	
+	nick = g_strdup( u->nick );
+	nick_lc( nick );
+	if( g_hash_table_lookup( irc->watches, nick ) )
+	{
+		irc_reply( irc, 600, "%s %s %s %d :%s", u->nick, u->user, u->host, time( NULL ), "logged online" );
+	}
+	g_free( nick );
+}
+
+void irc_part( irc_t *irc, user_t *u, char *channel )
+{
+	irc_write( irc, ":%s!%s@%s PART %s :%s", u->nick, u->user, u->host, channel, "" );
+}
+
+void irc_kick( irc_t *irc, user_t *u, char *channel, user_t *kicker )
+{
+	irc_write( irc, ":%s!%s@%s KICK %s %s :%s", kicker->nick, kicker->user, kicker->host, channel, u->nick, "" );
+}
+
+void irc_kill( irc_t *irc, user_t *u )
+{
+	char *nick;
+	
+	irc_write( irc, ":%s!%s@%s QUIT :%s", u->nick, u->user, u->host, "Leaving..." );
+	
+	nick = g_strdup( u->nick );
+	nick_lc( nick );
+	if( g_hash_table_lookup( irc->watches, nick ) )
+	{
+		irc_reply( irc, 601, "%s %s %s %d :%s", u->nick, u->user, u->host, time( NULL ), "logged offline" );
+	}
+	g_free( nick );
+}
+
+void irc_invite( irc_t *irc, char *nick, char *channel )
+{
+	struct conversation *c = conv_findchannel( channel );
+	user_t *u = user_find( irc, nick );
+	
+	if( u && c && ( u->gc == c->gc ) )
+		if( c->gc && c->gc->prpl && c->gc->prpl->chat_invite )
+		{
+			c->gc->prpl->chat_invite( c->gc, c->id, "", u->handle );
+			irc_reply( irc, 341, "%s %s", nick, channel );
+			return;
+		}
+	
+	irc_reply( irc, 482, "%s :Invite impossible; User/Channel non-existent or incompatible", channel );
+}
+
+int irc_send( irc_t *irc, char *nick, char *s, int flags )
+{
+	struct conversation *c = NULL;
+	user_t *u = NULL;
+	
+	if( *nick == '#' )
+	{
+		if( !( c = conv_findchannel( nick ) ) )
+		{
+			irc_reply( irc, 403, "%s :Channel does not exist", nick );
+			return( 0 );
+		}
+	}
+	else
+	{
+		u = user_find( irc, nick );
+		
+		if( !u )
+		{
+			if( irc->is_private )
+				irc_reply( irc, 401, "%s :Nick does not exist", nick );
+			else
+				irc_usermsg( irc, "Nick `%s' does not exist!", nick );
+			return( 0 );
+		}
+	}
+	
+	if( *s == 1 && s[strlen(s)-1] == 1 )
+	{
+		if( g_strncasecmp( s + 1, "ACTION", 6 ) == 0 )
+		{
+			if( s[7] == ' ' ) s ++;
+			s += 3;
+			*(s++) = '/';
+			*(s++) = 'm';
+			*(s++) = 'e';
+			*(s++) = ' ';
+			s -= 4;
+			s[strlen(s)-1] = 0;
+		}
+		else if( g_strncasecmp( s + 1, "VERSION", 7 ) == 0 )
+		{
+			u = user_find( irc, irc->mynick );
+			irc_privmsg( irc, u, "NOTICE", irc->nick, "", "\001VERSION BitlBee " BITLBEE_VERSION " " ARCH "/" CPU "\001" );
+			return( 1 );
+		}
+		else if( g_strncasecmp( s + 1, "PING", 4 ) == 0 )
+		{
+			u = user_find( irc, irc->mynick );
+			irc_privmsg( irc, u, "NOTICE", irc->nick, "", s );
+			return( 1 );
+		}
+		else if( g_strncasecmp( s + 1, "TYPING", 6 ) == 0 )
+		{
+			if( u && u->gc && u->gc->prpl->send_typing && strlen( s ) >= 10 )
+			{
+				time_t current_typing_notice = time( NULL );
+				
+				if( current_typing_notice - u->last_typing_notice >= 5 )
+				{
+					u->gc->prpl->send_typing( u->gc, u->handle, s[8] == '1' );
+					u->last_typing_notice = current_typing_notice;
+				}
+			}
+			return( 1 );
+		}
+		else
+		{
+			irc_usermsg( irc, "Non-ACTION CTCP's aren't supported" );
+			return( 0 );
+		}
+	}
+	
+	if( u )
+	{
+		/* For the next message, we probably do have to send new notices... */
+		u->last_typing_notice = 0;
+		u->is_private = irc->is_private;
+		
+		if( u->is_private )
+		{
+			if( !u->online )
+				irc_reply( irc, 301, "%s :%s", u->nick, "User is offline" );
+			else if( u->away )
+				irc_reply( irc, 301, "%s :%s", u->nick, u->away );
+		}
+		
+		if( u->send_handler )
+			return( u->send_handler( irc, u, s, flags ) );
+	}
+	else if( c && c->gc && c->gc->prpl )
+	{
+		return( serv_send_chat( irc, c->gc, c->id, s ) );
+	}
+	
+	return( 0 );
+}
+
+gboolean buddy_send_handler_delayed( gpointer data )
+{
+	user_t *u = data;
+	
+	u->sendbuf[u->sendbuf_len-2] = 0; /* Cut off the last newline */
+	serv_send_im( u->gc->irc, u, u->sendbuf, u->sendbuf_flags );
+	
+	g_free( u->sendbuf );
+	u->sendbuf = NULL;
+	u->sendbuf_len = 0;
+	u->sendbuf_timer = 0;
+	u->sendbuf_flags = 0;
+	
+	return( FALSE );
+}
+
+int buddy_send_handler( irc_t *irc, user_t *u, char *msg, int flags )
+{
+	if( !u || !u->gc ) return( 0 );
+	
+	if( set_getint( irc, "buddy_sendbuffer" ) && set_getint( irc, "buddy_sendbuffer_delay" ) > 0 )
+	{
+		if( u->sendbuf_len > 0 && u->sendbuf_flags != flags)
+		{
+			//Flush the buffer
+			g_source_remove( u->sendbuf_timer );
+			buddy_send_handler_delayed( u );
+		}
+
+		if( u->sendbuf_len == 0 )
+		{
+			u->sendbuf_len = strlen( msg ) + 2;
+			u->sendbuf = g_new (char, u->sendbuf_len );
+			u->sendbuf[0] = 0;
+			u->sendbuf_flags = flags;
+		}
+		else
+		{
+			u->sendbuf_len += strlen( msg ) + 1;
+			u->sendbuf = g_renew ( char, u->sendbuf, u->sendbuf_len );
+		}
+		
+		strcat( u->sendbuf, msg );
+		strcat( u->sendbuf, "\n" );
+		
+		if( u->sendbuf_timer > 0 )
+			g_source_remove( u->sendbuf_timer );
+		u->sendbuf_timer = g_timeout_add( set_getint( irc, "buddy_sendbuffer_delay" ) * 1000,
+		                                  buddy_send_handler_delayed, u );
+		
+		return( 1 );
+	}
+	else
+	{
+		return( serv_send_im( irc, u, msg, flags ) );
+	}
+}
+
+int irc_privmsg( irc_t *irc, user_t *u, char *type, char *to, char *prefix, char *msg )
+{
+	char last = 0;
+	char *s = msg, *line = msg;
+	
+	/* The almighty linesplitter .. woohoo!! */
+	while( !last )
+	{
+		if( *s == '\r' && *(s+1) == '\n' )
+			*(s++) = 0;
+		if( *s == '\n' )
+		{
+			last = s[1] == 0;
+			*s = 0;
+		}
+		else
+		{
+			last = s[0] == 0;
+		}
+		if( *s == 0 )
+		{
+			if( g_strncasecmp( line, "/me ", 4 ) == 0 && ( !prefix || !*prefix ) && g_strcasecmp( type, "PRIVMSG" ) == 0 )
+			{
+				irc_write( irc, ":%s!%s@%s %s %s :\001ACTION %s\001", u->nick, u->user, u->host,
+				           type, to, line + 4 );
+			}
+			else
+			{
+				irc_write( irc, ":%s!%s@%s %s %s :%s%s", u->nick, u->user, u->host,
+				           type, to, prefix, line );
+			}
+			line = s + 1;
+		}
+		s ++;
+	}
+	
+	return( 1 );
+}
+
+int irc_msgfrom( irc_t *irc, char *nick, char *msg )
+{
+	user_t *u = user_find( irc, nick );
+	static char *prefix = NULL;
+	
+	if( !u ) return( 0 );
+	if( prefix && *prefix ) g_free( prefix );
+	
+	if( !u->is_private && nick_cmp( u->nick, irc->mynick ) != 0 )
+	{
+		int len = strlen( irc->nick) + 3;
+		prefix = g_new (char, len );
+		g_snprintf( prefix, len, "%s%s", irc->nick, set_getstr( irc, "to_char" ) );
+		prefix[len-1] = 0;
+	}
+	else
+	{
+		prefix = "";
+	}
+	
+	return( irc_privmsg( irc, u, "PRIVMSG", u->is_private ? irc->nick : irc->channel, prefix, msg ) );
+}
+
+int irc_noticefrom( irc_t *irc, char *nick, char *msg )
+{
+	user_t *u = user_find( irc, nick );
+	
+	if( u )
+		return( irc_privmsg( irc, u, "NOTICE", irc->nick, "", msg ) );
+	else
+		return( 0 );
+}
+
+/* Returns 0 if everything seems to be okay, a number >0 when there was a
+   timeout. The number returned is the number of seconds we received no
+   pongs from the user. When not connected yet, we don't ping but drop the
+   connection when the user fails to connect in IRC_LOGIN_TIMEOUT secs. */
+static gboolean irc_userping( gpointer _irc )
+{
+	irc_t *irc = _irc;
+	int rv = 0;
+	
+	if( irc->status < USTATUS_LOGGED_IN )
+	{
+		if( gettime() > ( irc->last_pong + IRC_LOGIN_TIMEOUT ) )
+			rv = gettime() - irc->last_pong;
+	}
+	else
+	{
+		if( ( gettime() > ( irc->last_pong + global.conf->ping_interval ) ) && !irc->pinging )
+		{
+			irc_write( irc, "PING :%s", IRC_PING_STRING );
+			irc->pinging = 1;
+		}
+		else if( gettime() > ( irc->last_pong + global.conf->ping_timeout ) )
+		{
+			rv = gettime() - irc->last_pong;
+		}
+	}
+	
+	if( rv > 0 )
+	{
+		irc_write( irc, "ERROR :Closing Link: Ping Timeout: %d seconds", rv );
+		irc_free( irc );
+		return FALSE;
+	}
+	
+	return TRUE;
+}