source: protocols/nogaim.c @ aef4828

  /********************************************************************\
  * BitlBee -- An IRC to other IM-networks gateway                     *
  *                                                                    *
  * Copyright 2002-2006 Wilmer van der Gaast and others                *
  \********************************************************************/

/*
 * nogaim
 *
 * Gaim without gaim - for BitlBee
 *
 * This file contains functions called by the Gaim IM-modules. It's written
 * from scratch for BitlBee and doesn't contain any code from Gaim anymore
 * (except for the function names).
 */

/*
  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 "nogaim.h"
#include <ctype.h>

static int remove_chat_buddy_silent( struct groupchat *b, char *handle );

GSList *connections;

#ifdef WITH_PLUGINS
gboolean load_plugin(char *path)
{
        void (*init_function) (void);
        
        GModule *mod = g_module_open(path, G_MODULE_BIND_LAZY);

        if(!mod) {
                log_message(LOGLVL_ERROR, "Can't find `%s', not loading", path);
                return FALSE;
        }

        if(!g_module_symbol(mod,"init_plugin",(gpointer *) &init_function)) {
                log_message(LOGLVL_WARNING, "Can't find function `init_plugin' in `%s'\n", path);
                return FALSE;
        }

        init_function();

        return TRUE;
}

void load_plugins(void)
{
        GDir *dir;
        GError *error = NULL;

        dir = g_dir_open(global.conf->plugindir, 0, &error);

        if (dir) {
                const gchar *entry;
                char *path;

                while ((entry = g_dir_read_name(dir))) {
                        path = g_build_filename(global.conf->plugindir, entry, NULL);
                        if(!path) {
                                log_message(LOGLVL_WARNING, "Can't build path for %s\n", entry);
                                continue;
                        }

                        load_plugin(path);

                        g_free(path);
                }

                g_dir_close(dir);
        }
}
#endif

/* nogaim.c */

GList *protocols = NULL;
  
void register_protocol (struct prpl *p)
{
        protocols = g_list_append(protocols, p);
}

 
struct prpl *find_protocol(const char *name)
{
        GList *gl;
        for (gl = protocols; gl; gl = gl->next) 
        {
                struct prpl *proto = gl->data;
                if(!g_strcasecmp(proto->name, name)) 
                        return proto;
        }
        return NULL;
}

/* nogaim.c */
void nogaim_init()
{
        extern void msn_initmodule();
        extern void oscar_initmodule();
        extern void byahoo_initmodule();
        extern void jabber_initmodule();

#ifdef WITH_MSN
        msn_initmodule();
#endif

#ifdef WITH_OSCAR
        oscar_initmodule();
#endif
        
#ifdef WITH_YAHOO
        byahoo_initmodule();
#endif
        
#ifdef WITH_JABBER
        jabber_initmodule();
#endif

#ifdef WITH_PLUGINS
        load_plugins();
#endif
}

GSList *get_connections() { return connections; }

/* multi.c */

struct im_connection *imc_new( account_t *acc )
{
        struct im_connection *ic;
        
        ic = g_new0( struct im_connection, 1 );
        
        /* Maybe we should get rid of this memory waste later. ;-) */
        g_snprintf( ic->username, sizeof( ic->username ), "%s", acc->user );
        g_snprintf( ic->password, sizeof( ic->password ), "%s", acc->pass );
        
        ic->irc = acc->irc;
        ic->acc = acc;
        acc->ic = ic;
        
        connections = g_slist_append( connections, ic );
        
        return( ic );
}

void imc_free( struct im_connection *ic )
{
        account_t *a;
        
        /* Destroy the pointer to this connection from the account list */
        for( a = ic->irc->accounts; a; a = a->next )
                if( a->ic == ic )
                {
                        a->ic = NULL;
                        break;
                }
        
        connections = g_slist_remove( connections, ic );
        g_free( ic );
}

static void serv_got_crap( struct im_connection *ic, char *format, ... )
{
        va_list params;
        char *text;
        account_t *a;
        
        va_start( params, format );
        text = g_strdup_vprintf( format, params );
        va_end( params );

        if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) ||
            ( ( ic->flags & OPT_CONN_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
                strip_html( text );
        
        /* Try to find a different connection on the same protocol. */
        for( a = ic->irc->accounts; a; a = a->next )
                if( a->prpl == ic->acc->prpl && a->ic != ic )
                        break;
        
        /* If we found one, include the screenname in the message. */
        if( a )
                irc_usermsg( ic->irc, "%s(%s) - %s", ic->acc->prpl->name, ic->username, text );
        else
                irc_usermsg( ic->irc, "%s - %s", ic->acc->prpl->name, text );
        
        g_free( text );
}

void imc_log( struct im_connection *ic, char *format, ... )
{
        va_list params;
        char *text;
        
        va_start( params, format );
        text = g_strdup_vprintf( format, params );
        va_end( params );
        
        if( ic->flags & OPT_LOGGED_IN )
                serv_got_crap( ic, "%s", text );
        else
                serv_got_crap( ic, "Logging in: %s", text );
        
        g_free( text );
}

void imc_error( struct im_connection *ic, char *format, ... )
{
        va_list params;
        char *text;
        
        va_start( params, format );
        text = g_strdup_vprintf( format, params );
        va_end( params );
        
        if( ic->flags & OPT_LOGGED_IN )
                serv_got_crap( ic, "Error: %s", text );
        else
                serv_got_crap( ic, "Couldn't log in: %s", text );
        
        g_free( text );
}

static gboolean send_keepalive( gpointer d, gint fd, b_input_condition cond )
{
        struct im_connection *ic = d;
        
        if( ic->acc->prpl->keepalive )
                ic->acc->prpl->keepalive( ic );
        
        return TRUE;
}

void imc_connected( struct im_connection *ic )
{
        user_t *u;
        
        /* MSN servers sometimes redirect you to a different server and do
           the whole login sequence again, so these "late" calls to this
           function should be handled correctly. (IOW, ignored) */
        if( ic->flags & OPT_LOGGED_IN )
                return;
        
        u = user_find( ic->irc, ic->irc->nick );
        
        imc_log( ic, "Logged in" );
        
        ic->keepalive = b_timeout_add( 60000, send_keepalive, ic );
        ic->flags |= OPT_LOGGED_IN;
        
        /* Also necessary when we're not away, at least for some of the
           protocols. */
        bim_set_away( ic, u->away );
}

gboolean auto_reconnect( gpointer data, gint fd, b_input_condition cond )
{
        account_t *a = data;
        
        a->reconnect = 0;
        account_on( a->irc, a );
        
        return( FALSE );        /* Only have to run the timeout once */
}

void cancel_auto_reconnect( account_t *a )
{
        /* while( b_event_remove_by_data( (gpointer) a ) ); */
        b_event_remove( a->reconnect );
        a->reconnect = 0;
}

void imc_logout( struct im_connection *ic )
{
        irc_t *irc = ic->irc;
        user_t *t, *u = irc->users;
        account_t *a;
        
        /* Nested calls might happen sometimes, this is probably the best
           place to catch them. */
        if( ic->flags & OPT_LOGGING_OUT )
                return;
        else
                ic->flags |= OPT_LOGGING_OUT;
        
        imc_log( ic, "Signing off.." );
        
        b_event_remove( ic->keepalive );
        ic->keepalive = 0;
        ic->acc->prpl->logout( ic );
        b_event_remove( ic->inpa );
        
        while( u )
        {
                if( u->ic == ic )
                {
                        t = u->next;
                        user_del( irc, u->nick );
                        u = t;
                }
                else
                        u = u->next;
        }
        
        query_del_by_conn( ic->irc, ic );
        
        for( a = irc->accounts; a; a = a->next )
                if( a->ic == ic )
                        break;
        
        if( !a )
        {
                /* Uhm... This is very sick. */
        }
        else if( !ic->wants_to_die && set_getbool( &irc->set, "auto_reconnect" ) &&
                 set_getbool( &a->set, "auto_reconnect" ) )
        {
                int delay = set_getint( &irc->set, "auto_reconnect_delay" );
                
                imc_log( ic, "Reconnecting in %d seconds..", delay );
                a->reconnect = b_timeout_add( delay * 1000, auto_reconnect, a );
        }
        
        imc_free( ic );
}


/* dialogs.c */

void do_ask_dialog( struct im_connection *ic, char *msg, void *data, void *doit, void *dont )
{
        query_add( ic->irc, ic, msg, doit, dont, data );
}


/* list.c */

void add_buddy( struct im_connection *ic, char *group, char *handle, char *realname )
{
        user_t *u;
        char nick[MAX_NICK_LENGTH+1];
        char *s;
        irc_t *irc = ic->irc;
        
        if( set_getbool( &irc->set, "debug" ) && 0 ) /* This message is too useless */
                imc_log( ic, "Receiving user add from handle: %s", handle );
        
        if( user_findhandle( ic, handle ) )
        {
                if( set_getbool( &irc->set, "debug" ) )
                        imc_log( ic, "User already exists, ignoring add request: %s", handle );
                
                return;
                
                /* Buddy seems to exist already. Let's ignore this request then... */
        }
        
        memset( nick, 0, MAX_NICK_LENGTH + 1 );
        strcpy( nick, nick_get( ic->acc, handle, realname ) );
        
        u = user_add( ic->irc, nick );
        
        if( !realname || !*realname ) realname = nick;
        u->realname = g_strdup( realname );
        
        if( ( s = strchr( handle, '@' ) ) )
        {
                u->host = g_strdup( s + 1 );
                u->user = g_strndup( handle, s - handle );
        }
        else if( ic->acc->server )
        {
                char *colon;
                
                if( ( colon = strchr( ic->acc->server, ':' ) ) )
                        u->host = g_strndup( ic->acc->server,
                                             colon - ic->acc->server );
                else
                        u->host = g_strdup( ic->acc->server );
                
                u->user = g_strdup( handle );
                
                /* s/ /_/ ... important for AOL screennames */
                for( s = u->user; *s; s ++ )
                        if( *s == ' ' )
                                *s = '_';
        }
        else
        {
                u->host = g_strdup( ic->acc->prpl->name );
                u->user = g_strdup( handle );
        }
        
        u->ic = ic;
        u->handle = g_strdup( handle );
        if( group ) u->group = g_strdup( group );
        u->send_handler = buddy_send_handler;
        u->last_typing_notice = 0;
}

struct buddy *find_buddy( struct im_connection *ic, char *handle )
{
        static struct buddy b[1];
        user_t *u;
        
        u = user_findhandle( ic, handle );
        
        if( !u )
                return( NULL );

        memset( b, 0, sizeof( b ) );
        strncpy( b->name, handle, 80 );
        strncpy( b->show, u->realname, BUDDY_ALIAS_MAXLEN );
        b->present = u->online;
        b->ic = u->ic;
        
        return( b );
}

void signoff_blocked( struct im_connection *ic )
{
        return; /* Make all blocked users look invisible (TODO?) */
}


void serv_buddy_rename( struct im_connection *ic, char *handle, char *realname )
{
        user_t *u = user_findhandle( ic, handle );
        
        if( !u ) return;
        
        if( g_strcasecmp( u->realname, realname ) != 0 )
        {
                if( u->realname != u->nick ) g_free( u->realname );
                
                u->realname = g_strdup( realname );
                
                if( ( ic->flags & OPT_LOGGED_IN ) && set_getbool( &ic->irc->set, "display_namechanges" ) )
                        imc_log( ic, "User `%s' changed name to `%s'", u->nick, u->realname );
        }
}


/* prpl.c */

struct show_got_added_data
{
        struct im_connection *ic;
        char *handle;
};

void show_got_added_no( gpointer w, struct show_got_added_data *data )
{
        g_free( data->handle );
        g_free( data );
}

void show_got_added_yes( gpointer w, struct show_got_added_data *data )
{
        data->ic->acc->prpl->add_buddy( data->ic, data->handle, NULL );
        add_buddy( data->ic, NULL, data->handle, data->handle );
        
        return show_got_added_no( w, data );
}

void show_got_added( struct im_connection *ic, char *handle, const char *realname )
{
        struct show_got_added_data *data = g_new0( struct show_got_added_data, 1 );
        char *s;
        
        /* TODO: Make a setting for this! */
        if( user_findhandle( ic, handle ) != NULL )
                return;
        
        s = g_strdup_printf( "The user %s is not in your buddy list yet. Do you want to add him/her now?", handle );
        
        data->ic = ic;
        data->handle = g_strdup( handle );
        query_add( ic->irc, ic, s, show_got_added_yes, show_got_added_no, data );
}


/* server.c */                    

void serv_got_update( struct im_connection *ic, char *handle, int loggedin, int evil, time_t signon, time_t idle, int type, guint caps )
{
        user_t *u;
        int oa, oo;
        
        u = user_findhandle( ic, handle );
        
        if( !u )
        {
                if( g_strcasecmp( set_getstr( &ic->irc->set, "handle_unknown" ), "add" ) == 0 )
                {
                        add_buddy( ic, NULL, handle, NULL );
                        u = user_findhandle( ic, handle );
                }
                else
                {
                        if( set_getbool( &ic->irc->set, "debug" ) || g_strcasecmp( set_getstr( &ic->irc->set, "handle_unknown" ), "ignore" ) != 0 )
                        {
                                imc_log( ic, "serv_got_update() for handle %s:", handle );
                                imc_log( ic, "loggedin = %d, type = %d", loggedin, type );
                        }
                        
                        return;
                }
                /* Why did we have this here....
                return; */
        }
        
        oa = u->away != NULL;
        oo = u->online;
        
        if( u->away )
        {
                g_free( u->away );
                u->away = NULL;
        }
        
        if( loggedin && !u->online )
        {
                irc_spawn( ic->irc, u );
                u->online = 1;
        }
        else if( !loggedin && u->online )
        {
                struct groupchat *c;
                
                irc_kill( ic->irc, u );
                u->online = 0;
                
                /* Remove him/her from the conversations to prevent PART messages after he/she QUIT already */
                for( c = ic->conversations; c; c = c->next )
                        remove_chat_buddy_silent( c, handle );
        }
        
        if( ( type & UC_UNAVAILABLE ) && ( strcmp( ic->acc->prpl->name, "oscar" ) == 0 || strcmp( ic->acc->prpl->name, "icq" ) == 0 ) )
        {
                u->away = g_strdup( "Away" );
        }
        else if( ( type & UC_UNAVAILABLE ) && ( strcmp( ic->acc->prpl->name, "jabber" ) == 0 ) )
        {
                if( type & UC_DND )
                        u->away = g_strdup( "Do Not Disturb" );
                else if( type & UC_XA )
                        u->away = g_strdup( "Extended Away" );
                else // if( type & UC_AWAY )
                        u->away = g_strdup( "Away" );
        }
        else if( ( type & UC_UNAVAILABLE ) && ic->acc->prpl->get_status_string )
        {
                u->away = g_strdup( ic->acc->prpl->get_status_string( ic, type ) );
        }
        else
                u->away = NULL;
        
        /* LISPy... */
        if( ( set_getbool( &ic->irc->set, "away_devoice" ) ) &&         /* Don't do a thing when user doesn't want it */
            ( u->online ) &&                                            /* Don't touch offline people */
            ( ( ( u->online != oo ) && !u->away ) ||                    /* Voice joining people */
              ( ( u->online == oo ) && ( oa == !u->away ) ) ) )         /* (De)voice people changing state */
        {
                irc_write( ic->irc, ":%s MODE %s %cv %s", ic->irc->myhost,
                                                                ic->irc->channel, u->away?'-':'+', u->nick );
        }
}

void serv_got_im( struct im_connection *ic, char *handle, char *msg, guint32 flags, time_t mtime, gint len )
{
        irc_t *irc = ic->irc;
        user_t *u;
        
        u = user_findhandle( ic, handle );
        
        if( !u )
        {
                char *h = set_getstr( &irc->set, "handle_unknown" );
                
                if( g_strcasecmp( h, "ignore" ) == 0 )
                {
                        if( set_getbool( &irc->set, "debug" ) )
                                imc_log( ic, "Ignoring message from unknown handle %s", handle );
                        
                        return;
                }
                else if( g_strncasecmp( h, "add", 3 ) == 0 )
                {
                        int private = set_getbool( &irc->set, "private" );
                        
                        if( h[3] )
                        {
                                if( g_strcasecmp( h + 3, "_private" ) == 0 )
                                        private = 1;
                                else if( g_strcasecmp( h + 3, "_channel" ) == 0 )
                                        private = 0;
                        }
                        
                        add_buddy( ic, NULL, handle, NULL );
                        u = user_findhandle( ic, handle );
                        u->is_private = private;
                }
                else
                {
                        imc_log( ic, "Message from unknown handle %s:", handle );
                        u = user_find( irc, irc->mynick );
                }
        }
        
        if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) ||
            ( ( ic->flags & OPT_CONN_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
                strip_html( msg );

        while( strlen( msg ) > 425 )
        {
                char tmp, *nl;
                
                tmp = msg[425];
                msg[425] = 0;
                
                /* If there's a newline/space in this string, split up there,
                   looks a bit prettier. */
                if( ( nl = strrchr( msg, '\n' ) ) || ( nl = strrchr( msg, ' ' ) ) )
                {
                        msg[425] = tmp;
                        tmp = *nl;
                        *nl = 0;
                }
                
                irc_msgfrom( irc, u->nick, msg );
                
                /* Move on. */
                if( nl )
                {
                        *nl = tmp;
                        msg = nl + 1;
                }
                else
                {
                        msg[425] = tmp;
                        msg += 425;
                }
        }
        irc_msgfrom( irc, u->nick, msg );
}

void serv_got_typing( struct im_connection *ic, char *handle, int timeout, int type )
{
        user_t *u;
        
        if( !set_getbool( &ic->irc->set, "typing_notice" ) )
                return;
        
        if( ( u = user_findhandle( ic, handle ) ) ) {
                /* If type is:
                 * 0: user has stopped typing
                 * 1: user is actively typing
                 * 2: user has entered text, but is not actively typing
                 */
                if (type == 0 || type == 1 || type == 2) {
                        char buf[256]; 
                        g_snprintf(buf, 256, "\1TYPING %d\1", type); 
                        irc_privmsg( ic->irc, u, "PRIVMSG", ic->irc->nick, NULL, buf );
                }
        }
}

void serv_got_chat_left( struct groupchat *c )
{
        struct im_connection *ic = c->ic;
        struct groupchat *l = NULL;
        GList *ir;
        
        if( set_getbool( &ic->irc->set, "debug" ) )
                imc_log( ic, "You were removed from conversation 0x%x", (int) c );
        
        if( c )
        {
                if( c->joined )
                {
                        user_t *u, *r;
                        
                        r = user_find( ic->irc, ic->irc->mynick );
                        irc_privmsg( ic->irc, r, "PRIVMSG", c->channel, "", "Cleaning up channel, bye!" );
                        
                        u = user_find( ic->irc, ic->irc->nick );
                        irc_kick( ic->irc, u, c->channel, r );
                        /* irc_part( ic->irc, u, c->channel ); */
                }
                
                if( l )
                        l->next = c->next;
                else
                        ic->conversations = c->next;
                
                for( ir = c->in_room; ir; ir = ir->next )
                        g_free( ir->data );
                g_list_free( c->in_room );
                g_free( c->channel );
                g_free( c->title );
                g_free( c );
        }
}

void serv_got_chat_in( struct groupchat *c, char *who, int whisper, char *msg, time_t mtime )
{
        struct im_connection *ic = c->ic;
        user_t *u;
        
        /* Gaim sends own messages through this too. IRC doesn't want this, so kill them */
        if( g_strcasecmp( who, ic->username ) == 0 )
                return;
        
        u = user_findhandle( ic, who );
        
        if( ( g_strcasecmp( set_getstr( &ic->irc->set, "strip_html" ), "always" ) == 0 ) ||
            ( ( ic->flags & OPT_CONN_HTML ) && set_getbool( &ic->irc->set, "strip_html" ) ) )
                strip_html( msg );
        
        if( c && u )
                irc_privmsg( ic->irc, u, "PRIVMSG", c->channel, "", msg );
        else
                imc_log( ic, "Message from/to conversation %s@0x%x (unknown conv/user): %s", who, (int) c, msg );
}

struct groupchat *serv_got_joined_chat( struct im_connection *ic, char *handle )
{
        struct groupchat *c;
        
        /* This one just creates the conversation structure, user won't see anything yet */
        
        if( ic->conversations )
        {
                for( c = ic->conversations; c->next; c = c->next );
                c = c->next = g_new0( struct groupchat, 1 );
        }
        else
                ic->conversations = c = g_new0( struct groupchat, 1 );
        
        c->ic = ic;
        c->title = g_strdup( handle );
        c->channel = g_strdup_printf( "&chat_%03d", ic->irc->c_id++ );
        
        if( set_getbool( &ic->irc->set, "debug" ) )
                imc_log( ic, "Creating new conversation: (id=0x%x,handle=%s)", (int) c, handle );
        
        return c;
}


/* buddy_chat.c */

void add_chat_buddy( struct groupchat *b, char *handle )
{
        user_t *u = user_findhandle( b->ic, handle );
        int me = 0;
        
        if( set_getbool( &b->ic->irc->set, "debug" ) )
                imc_log( b->ic, "User %s added to conversation 0x%x", handle, (int) b );
        
        /* It might be yourself! */
        if( b->ic->acc->prpl->handle_cmp( handle, b->ic->username ) == 0 )
        {
                u = user_find( b->ic->irc, b->ic->irc->nick );
                if( !b->joined )
                        irc_join( b->ic->irc, u, b->channel );
                b->joined = me = 1;
        }
        
        /* Most protocols allow people to join, even when they're not in
           your contact list. Try to handle that here */
        if( !u )
        {
                add_buddy( b->ic, NULL, handle, NULL );
                u = user_findhandle( b->ic, handle );
        }
        
        /* Add the handle to the room userlist, if it's not 'me' */
        if( !me )
        {
                if( b->joined )
                        irc_join( b->ic->irc, u, b->channel );
                b->in_room = g_list_append( b->in_room, g_strdup( handle ) );
        }
}

void remove_chat_buddy( struct groupchat *b, char *handle, char *reason )
{
        user_t *u;
        int me = 0;
        
        if( set_getbool( &b->ic->irc->set, "debug" ) )
                imc_log( b->ic, "User %s removed from conversation 0x%x (%s)", handle, (int) b, reason ? reason : "" );
        
        /* It might be yourself! */
        if( g_strcasecmp( handle, b->ic->username ) == 0 )
        {
                u = user_find( b->ic->irc, b->ic->irc->nick );
                b->joined = 0;
                me = 1;
        }
        else
        {
                u = user_findhandle( b->ic, handle );
        }
        
        if( remove_chat_buddy_silent( b, handle ) )
                if( ( b->joined || me ) && u )
                        irc_part( b->ic->irc, u, b->channel );
}

static int remove_chat_buddy_silent( struct groupchat *b, char *handle )
{
        GList *i;
        
        /* Find the handle in the room userlist and shoot it */
        i = b->in_room;
        while( i )
        {
                if( g_strcasecmp( handle, i->data ) == 0 )
                {
                        g_free( i->data );
                        b->in_room = g_list_remove( b->in_room, i->data );
                        return( 1 );
                }
                
                i = i->next;
        }
        
        return( 0 );
}


/* Misc. BitlBee stuff which shouldn't really be here */

struct groupchat *chat_by_channel( char *channel )
{
        struct im_connection *ic;
        struct groupchat *c;
        GSList *l;
        
        /* This finds the connection which has a conversation which belongs to this channel */
        for( l = connections; l; l = l->next )
        {
                ic = l->data;
                for( c = ic->conversations; c && g_strcasecmp( c->channel, channel ) != 0; c = c->next );
                if( c )
                        return c;
        }
        
        return NULL;
}

char *set_eval_away_devoice( set_t *set, char *value )
{
        irc_t *irc = set->data;
        int st;
        
        if( ( g_strcasecmp( value, "true" ) == 0 ) || ( g_strcasecmp( value, "yes" ) == 0 ) || ( g_strcasecmp( value, "on" ) == 0 ) )
                st = 1;
        else if( ( g_strcasecmp( value, "false" ) == 0 ) || ( g_strcasecmp( value, "no" ) == 0 ) || ( g_strcasecmp( value, "off" ) == 0 ) )
                st = 0;
        else if( sscanf( value, "%d", &st ) != 1 )
                return( NULL );
        
        st = st != 0;
        
        /* Horror.... */
        
        if( st != set_getbool( &irc->set, "away_devoice" ) )
        {
                char list[80] = "";
                user_t *u = irc->users;
                int i = 0, count = 0;
                char pm;
                char v[80];
                
                if( st )
                        pm = '+';
                else
                        pm = '-';
                
                while( u )
                {
                        if( u->ic && u->online && !u->away )
                        {
                                if( ( strlen( list ) + strlen( u->nick ) ) >= 79 )
                                {
                                        for( i = 0; i < count; v[i++] = 'v' ); v[i] = 0;
                                        irc_write( irc, ":%s MODE %s %c%s%s",
                                                   irc->myhost,
                                                   irc->channel, pm, v, list );
                                        
                                        *list = 0;
                                        count = 0;
                                }
                                
                                sprintf( list + strlen( list ), " %s", u->nick );
                                count ++;
                        }
                        u = u->next;
                }
                
                /* $v = 'v' x $i */
                for( i = 0; i < count; v[i++] = 'v' ); v[i] = 0;
                irc_write( irc, ":%s MODE %s %c%s%s", irc->myhost,
                                                            irc->channel, pm, v, list );
        }
        
        return( set_eval_bool( set, value ) );
}




/* The plan is to not allow straight calls to prpl functions anymore, but do
   them all from some wrappers. We'll start to define some down here: */

int bim_buddy_msg( struct im_connection *ic, char *handle, char *msg, int flags )
{
        char *buf = NULL;
        int st;
        
        if( ( ic->flags & OPT_CONN_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) )
        {
                buf = escape_html( msg );
                msg = buf;
        }
        
        st = ic->acc->prpl->send_im( ic, handle, msg, flags );
        g_free( buf );
        
        return st;
}

int bim_chat_msg( struct groupchat *c, char *msg, int flags )
{
        char *buf = NULL;
        int st;
        
        if( ( c->ic->flags & OPT_CONN_HTML ) && ( g_strncasecmp( msg, "<html>", 6 ) != 0 ) )
        {
                buf = escape_html( msg );
                msg = buf;
        }
        
        c->ic->acc->prpl->chat_send( c, msg, flags );
        g_free( buf );
        
        return 1;
}

static char *bim_away_alias_find( GList *gcm, char *away );

int bim_set_away( struct im_connection *ic, char *away )
{
        GList *m, *ms;
        char *s;
        
        if( !away ) away = "";
        ms = m = ic->acc->prpl->away_states( ic );
        
        while( m )
        {
                if( *away )
                {
                        if( g_strncasecmp( m->data, away, strlen( m->data ) ) == 0 )
                                break;
                }
                else
                {
                        if( g_strcasecmp( m->data, "Available" ) == 0 )
                                break;
                        if( g_strcasecmp( m->data, "Online" ) == 0 )
                                break;
                }
                m = m->next;
        }
        
        if( m )
        {
                ic->acc->prpl->set_away( ic, m->data, *away ? away : NULL );
        }
        else
        {
                s = bim_away_alias_find( ms, away );
                if( s )
                {
                        ic->acc->prpl->set_away( ic, s, away );
                        if( set_getbool( &ic->irc->set, "debug" ) )
                                imc_log( ic, "Setting away state to %s", s );
                }
                else
                        ic->acc->prpl->set_away( ic, GAIM_AWAY_CUSTOM, away );
        }
        
        return( 1 );
}

static char *bim_away_alias_list[8][5] =
{
        { "Away from computer", "Away", "Extended away", NULL },
        { "NA", "N/A", "Not available", NULL },
        { "Busy", "Do not disturb", "DND", "Occupied", NULL },
        { "Be right back", "BRB", NULL },
        { "On the phone", "Phone", "On phone", NULL },
        { "Out to lunch", "Lunch", "Food", NULL },
        { "Invisible", "Hidden" },
        { NULL }
};

static char *bim_away_alias_find( GList *gcm, char *away )
{
        GList *m;
        int i, j;
        
        for( i = 0; *bim_away_alias_list[i]; i ++ )
        {
                for( j = 0; bim_away_alias_list[i][j]; j ++ )
                        if( g_strncasecmp( away, bim_away_alias_list[i][j], strlen( bim_away_alias_list[i][j] ) ) == 0 )
                                break;
                
                if( !bim_away_alias_list[i][j] )        /* If we reach the end, this row */
                        continue;                       /* is not what we want. Next!    */
                
                /* Now find an entry in this row which exists in gcm */
                for( j = 0; bim_away_alias_list[i][j]; j ++ )
                {
                        m = gcm;
                        while( m )
                        {
                                if( g_strcasecmp( bim_away_alias_list[i][j], m->data ) == 0 )
                                        return( bim_away_alias_list[i][j] );
                                m = m->next;
                        }
                }
        }
        
        return( NULL );
}

void bim_add_allow( struct im_connection *ic, char *handle )
{
        if( g_slist_find_custom( ic->permit, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) == NULL )
        {
                ic->permit = g_slist_prepend( ic->permit, g_strdup( handle ) );
        }
        
        ic->acc->prpl->add_permit( ic, handle );
}

void bim_rem_allow( struct im_connection *ic, char *handle )
{
        GSList *l;
        
        if( ( l = g_slist_find_custom( ic->permit, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) ) )
        {
                g_free( l->data );
                ic->permit = g_slist_delete_link( ic->permit, l );
        }
        
        ic->acc->prpl->rem_permit( ic, handle );
}

void bim_add_block( struct im_connection *ic, char *handle )
{
        if( g_slist_find_custom( ic->deny, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) == NULL )
        {
                ic->deny = g_slist_prepend( ic->deny, g_strdup( handle ) );
        }
        
        ic->acc->prpl->add_deny( ic, handle );
}

void bim_rem_block( struct im_connection *ic, char *handle )
{
        GSList *l;
        
        if( ( l = g_slist_find_custom( ic->deny, handle, (GCompareFunc) ic->acc->prpl->handle_cmp ) ) )
        {
                g_free( l->data );
                ic->deny = g_slist_delete_link( ic->deny, l );
        }
        
        ic->acc->prpl->rem_deny( ic, handle );
}