diff options
Diffstat (limited to 'irc.c')
| -rw-r--r-- | irc.c | 1024 |
1 files changed, 237 insertions, 787 deletions
@@ -4,7 +4,7 @@ * Copyright 2002-2004 Wilmer van der Gaast and others * \********************************************************************/ -/* The big hairy IRCd part of the project */ +/* The IRC-based UI (for now the only one) */ /* This program is free software; you can redistribute it and/or modify @@ -23,101 +23,25 @@ Suite 330, Boston, MA 02111-1307 USA */ -#define BITLBEE_CORE #include "bitlbee.h" -#include "sock.h" #include "ipc.h" #include "dcc.h" -static gboolean irc_userping( gpointer _irc, int fd, b_input_condition cond ); +GSList *irc_connection_list; -GSList *irc_connection_list = NULL; - -static char *set_eval_password( set_t *set, char *value ) -{ - irc_t *irc = set->data; - - if( irc->status & USTATUS_IDENTIFIED && value ) - { - irc_setpass( irc, value ); - return NULL; - } - else - { - return SET_INVALID; - } -} - -static char *set_eval_charset( set_t *set, char *value ) -{ - irc_t *irc = set->data; - char *test; - gsize test_bytes = 0; - GIConv ic, oc; - - if( g_strcasecmp( value, "none" ) == 0 ) - value = g_strdup( "utf-8" ); - - if( ( oc = g_iconv_open( value, "utf-8" ) ) == (GIConv) -1 ) - { - return NULL; - } - - /* Do a test iconv to see if the user picked an IRC-compatible - charset (for example utf-16 goes *horribly* wrong). */ - if( ( test = g_convert_with_iconv( " ", 1, oc, NULL, &test_bytes, NULL ) ) == NULL || - test_bytes > 1 ) - { - g_free( test ); - g_iconv_close( oc ); - irc_usermsg( irc, "Unsupported character set: The IRC protocol " - "only supports 8-bit character sets." ); - return NULL; - } - g_free( test ); - - if( ( ic = g_iconv_open( "utf-8", value ) ) == (GIConv) -1 ) - { - g_iconv_close( oc ); - return NULL; - } - - if( irc->iconv != (GIConv) -1 ) - g_iconv_close( irc->iconv ); - if( irc->oconv != (GIConv) -1 ) - g_iconv_close( irc->oconv ); - - irc->iconv = ic; - irc->oconv = oc; - - return value; -} - -static char *set_eval_away_status( set_t *set, char *value ) -{ - irc_t *irc = set->data; - account_t *a; - - g_free( set->value ); - set->value = g_strdup( value ); - - for( a = irc->accounts; a; a = a->next ) - { - struct im_connection *ic = a->ic; - - if( ic && ic->flags & OPT_LOGGED_IN ) - imc_away_send_update( ic ); - } - - return value; -} +static gboolean irc_userping( gpointer _irc, gint fd, b_input_condition cond ); +static char *set_eval_charset( set_t *set, char *value ); +static char *set_eval_password( set_t *set, char *value ); irc_t *irc_new( int fd ) { irc_t *irc; struct sockaddr_storage sock; socklen_t socklen = sizeof( sock ); + char *host = NULL, *myhost = NULL; + irc_user_t *iu; set_t *s; + bee_t *b; irc = g_new0( irc_t, 1 ); @@ -129,19 +53,15 @@ irc_t *irc_new( int fd ) irc->status = USTATUS_OFFLINE; irc->last_pong = gettime(); - irc->userhash = g_hash_table_new( g_str_hash, g_str_equal ); + irc->nick_user_hash = 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 ); - irc->iconv = (GIConv) -1; irc->oconv = (GIConv) -1; if( global.conf->hostname ) { - irc->myhost = g_strdup( global.conf->hostname ); + myhost = g_strdup( global.conf->hostname ); } else if( getsockname( irc->fd, (struct sockaddr*) &sock, &socklen ) == 0 ) { @@ -150,7 +70,7 @@ irc_t *irc_new( int fd ) if( getnameinfo( (struct sockaddr *) &sock, socklen, buf, NI_MAXHOST, NULL, 0, 0 ) == 0 ) { - irc->myhost = g_strdup( ipv6_unwrap( buf ) ); + myhost = g_strdup( ipv6_unwrap( buf ) ); } } @@ -161,62 +81,72 @@ irc_t *irc_new( int fd ) if( getnameinfo( (struct sockaddr *)&sock, socklen, buf, NI_MAXHOST, NULL, 0, 0 ) == 0 ) { - irc->host = g_strdup( ipv6_unwrap( buf ) ); + host = g_strdup( ipv6_unwrap( buf ) ); } } - if( irc->host == NULL ) - irc->host = g_strdup( "localhost.localdomain" ); - if( irc->myhost == NULL ) - irc->myhost = g_strdup( "localhost.localdomain" ); + if( host == NULL ) + host = g_strdup( "localhost.localdomain" ); + if( myhost == NULL ) + myhost = g_strdup( "localhost.localdomain" ); if( global.conf->ping_interval > 0 && global.conf->ping_timeout > 0 ) irc->ping_source_id = b_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 ); - s = set_add( &irc->set, "away", NULL, set_eval_away_status, irc ); - s->flags |= SET_NULL_OK; - s = set_add( &irc->set, "away_devoice", "true", set_eval_away_devoice, irc ); - s = set_add( &irc->set, "auto_connect", "true", set_eval_bool, irc ); - s = set_add( &irc->set, "auto_reconnect", "true", set_eval_bool, irc ); - s = set_add( &irc->set, "auto_reconnect_delay", "5*3<900", set_eval_account_reconnect_delay, irc ); - s = set_add( &irc->set, "buddy_sendbuffer", "false", set_eval_bool, irc ); - s = set_add( &irc->set, "buddy_sendbuffer_delay", "200", set_eval_int, irc ); - s = set_add( &irc->set, "charset", "utf-8", set_eval_charset, irc ); - s = set_add( &irc->set, "control_channel", irc->channel, set_eval_control_channel, irc ); - s = set_add( &irc->set, "debug", "false", set_eval_bool, irc ); - s = set_add( &irc->set, "default_target", "root", NULL, irc ); - s = set_add( &irc->set, "display_namechanges", "false", set_eval_bool, irc ); - s = set_add( &irc->set, "display_timestamps", "true", set_eval_bool, irc ); - s = set_add( &irc->set, "handle_unknown", "root", NULL, irc ); - s = set_add( &irc->set, "lcnicks", "true", set_eval_bool, irc ); - s = set_add( &irc->set, "ops", "both", set_eval_ops, irc ); - s = set_add( &irc->set, "password", NULL, set_eval_password, irc ); + b = irc->b = bee_new(); + b->ui_data = irc; + b->ui = &irc_ui_funcs; + + s = set_add( &b->set, "away_devoice", "true", NULL/*set_eval_away_devoice*/, irc ); + s = set_add( &b->set, "charset", "utf-8", set_eval_charset, irc ); + s = set_add( &b->set, "default_target", "root", NULL, irc ); + s = set_add( &b->set, "display_namechanges", "false", set_eval_bool, irc ); + s = set_add( &b->set, "display_timestamps", "true", set_eval_bool, irc ); + s = set_add( &b->set, "handle_unknown", "add_channel", NULL, irc ); + s = set_add( &b->set, "lcnicks", "true", set_eval_bool, irc ); + s = set_add( &b->set, "ops", "both", NULL/*set_eval_ops*/, irc ); + s = set_add( &b->set, "paste_buffer", "false", set_eval_bool, irc ); + s->old_key = g_strdup( "buddy_sendbuffer" ); + s = set_add( &b->set, "paste_buffer_delay", "200", set_eval_int, irc ); + s->old_key = g_strdup( "buddy_sendbuffer_delay" ); + s = set_add( &b->set, "password", NULL, set_eval_password, irc ); s->flags |= SET_NULL_OK; - s = set_add( &irc->set, "private", "true", set_eval_bool, irc ); - s = set_add( &irc->set, "query_order", "lifo", NULL, irc ); - s = set_add( &irc->set, "root_nick", irc->mynick, set_eval_root_nick, irc ); - s = set_add( &irc->set, "save_on_quit", "true", set_eval_bool, irc ); - s = set_add( &irc->set, "show_offline", "false", set_eval_bool, irc ); - s = set_add( &irc->set, "simulate_netsplit", "true", set_eval_bool, irc ); - s = set_add( &irc->set, "status", NULL, set_eval_away_status, irc ); - s->flags |= SET_NULL_OK; - s = set_add( &irc->set, "strip_html", "true", NULL, irc ); - s = set_add( &irc->set, "timezone", "local", set_eval_timezone, irc ); - s = set_add( &irc->set, "to_char", ": ", set_eval_to_char, irc ); - s = set_add( &irc->set, "typing_notice", "false", set_eval_bool, irc ); + s = set_add( &b->set, "private", "true", set_eval_bool, irc ); + s = set_add( &b->set, "query_order", "lifo", NULL, irc ); + s = set_add( &b->set, "root_nick", ROOT_NICK, NULL/*set_eval_root_nick*/, irc ); + s = set_add( &b->set, "simulate_netsplit", "true", set_eval_bool, irc ); + s = set_add( &b->set, "timezone", "local", set_eval_timezone, irc ); + s = set_add( &b->set, "to_char", ": ", set_eval_to_char, irc ); + s = set_add( &b->set, "typing_notice", "false", set_eval_bool, irc ); + + irc->root = iu = irc_user_new( irc, ROOT_NICK ); + iu->host = g_strdup( myhost ); + iu->fullname = g_strdup( ROOT_FN ); + iu->f = &irc_user_root_funcs; + + iu = irc_user_new( irc, NS_NICK ); + iu->host = g_strdup( myhost ); + iu->fullname = g_strdup( ROOT_FN ); + iu->f = &irc_user_root_funcs; + + irc->user = g_new0( irc_user_t, 1 ); + irc->user->host = g_strdup( host ); conf_loaddefaults( irc ); /* Evaluator sets the iconv/oconv structures. */ - set_eval_charset( set_find( &irc->set, "charset" ), set_getstr( &irc->set, "charset" ) ); + set_eval_charset( set_find( &b->set, "charset" ), set_getstr( &b->set, "charset" ) ); + + irc_write( irc, ":%s NOTICE AUTH :%s", irc->root->host, "BitlBee-IRCd initialized, please go on" ); + + g_free( myhost ); + g_free( host ); nogaim_init(); - return( irc ); + return irc; } /* immed=1 makes this function pretty much equal to irc_free(), except that @@ -237,7 +167,7 @@ void irc_abort( irc_t *irc, int immed, char *format, ... ) irc_write( irc, "ERROR :Closing link: %s", reason ); ipc_to_master_str( "OPERMSG :Client exiting: %s@%s [%s]\r\n", - irc->nick ? irc->nick : "(NONE)", irc->host, reason ); + irc->user->nick ? irc->user->nick : "(NONE)", irc->root->host, reason ); g_free( reason ); } @@ -247,7 +177,7 @@ void irc_abort( irc_t *irc, int immed, char *format, ... ) irc_write( irc, "ERROR :Closing link" ); ipc_to_master_str( "OPERMSG :Client exiting: %s@%s [%s]\r\n", - irc->nick ? irc->nick : "(NONE)", irc->host, "No reason given" ); + irc->user->nick ? irc->user->nick : "(NONE)", irc->root->host, "No reason given" ); } irc->status |= USTATUS_SHUTDOWN; @@ -268,65 +198,31 @@ void irc_abort( irc_t *irc, int immed, char *format, ... ) } } -static gboolean irc_free_hashkey( gpointer key, gpointer value, gpointer data ) -{ - g_free( key ); - - return( TRUE ); -} +static gboolean irc_free_hashkey( gpointer key, gpointer value, gpointer data ); -/* Because we have no garbage collection, this is quite annoying */ void irc_free( irc_t * irc ) { - user_t *user, *usertmp; - log_message( LOGLVL_INFO, "Destroying connection with fd %d", irc->fd ); - if( irc->status & USTATUS_IDENTIFIED && set_getbool( &irc->set, "save_on_quit" ) ) + if( irc->status & USTATUS_IDENTIFIED && set_getbool( &irc->b->set, "save_on_quit" ) ) if( storage_save( irc, NULL, TRUE ) != STORAGE_OK ) - irc_usermsg( irc, "Error while saving settings!" ); + log_message( LOGLVL_WARNING, "Error while saving settings for user %s", irc->user->nick ); irc_connection_list = g_slist_remove( irc_connection_list, irc ); - while( irc->accounts ) - { - if( irc->accounts->ic ) - imc_logout( irc->accounts->ic, FALSE ); - else if( irc->accounts->reconnect ) - cancel_auto_reconnect( irc->accounts ); - - if( irc->accounts->ic == NULL ) - account_del( irc, irc->accounts ); - else - /* Nasty hack, but account_del() doesn't work in this - case and we don't want infinite loops, do we? ;-) */ - irc->accounts = irc->accounts->next; - } - while( irc->queries != NULL ) query_del( irc, irc->queries ); - while( irc->set ) - set_del( &irc->set, irc->set->key ); + /* This is a little bit messy: bee_free() frees all b->users which + calls us back to free the corresponding irc->users. So do this + before we clear the remaining ones ourselves. */ + bee_free( irc->b ); - 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 ); - b_event_remove( user->sendbuf_timer ); - - usertmp = user; - user = user->next; - g_free( usertmp ); - } - } + while( irc->users ) + irc_user_free( irc, (irc_user_t *) irc->users->data ); + + while( irc->channels ) + irc_channel_free( irc->channels->data ); if( irc->ping_source_id > 0 ) b_event_remove( irc->ping_source_id ); @@ -338,8 +234,8 @@ void irc_free( irc_t * irc ) closesocket( irc->fd ); irc->fd = -1; - g_hash_table_foreach_remove( irc->userhash, irc_free_hashkey, NULL ); - g_hash_table_destroy( irc->userhash ); + g_hash_table_foreach_remove( irc->nick_user_hash, irc_free_hashkey, NULL ); + g_hash_table_destroy( irc->nick_user_hash ); g_hash_table_foreach_remove( irc->watches, irc_free_hashkey, NULL ); g_hash_table_destroy( irc->watches ); @@ -351,19 +247,8 @@ void irc_free( irc_t * irc ) 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 ); - - g_free( irc->last_target ); + g_free( irc->last_root_cmd ); g_free( irc ); @@ -375,9 +260,16 @@ void irc_free( irc_t * irc ) b_main_quit(); } +static gboolean irc_free_hashkey( gpointer key, gpointer value, gpointer data ) +{ + g_free( key ); + + return( TRUE ); +} + /* USE WITH CAUTION! Sets pass without checking */ -void irc_setpass (irc_t *irc, const char *pass) +void irc_setpass (irc_t *irc, const char *pass) { g_free (irc->password); @@ -388,6 +280,23 @@ void irc_setpass (irc_t *irc, const char *pass) } } +static char *set_eval_password( set_t *set, char *value ) +{ + irc_t *irc = set->data; + + if( irc->status & USTATUS_IDENTIFIED && value ) + { + irc_setpass( irc, value ); + return NULL; + } + else + { + return SET_INVALID; + } +} + +static char **irc_splitlines( char *buffer ); + void irc_process( irc_t *irc ) { char **lines, *temp, **cmd; @@ -395,7 +304,7 @@ void irc_process( irc_t *irc ) if( irc->readbuffer != NULL ) { - lines = irc_tokenize( irc->readbuffer ); + lines = irc_splitlines( irc->readbuffer ); for( i = 0; *lines[i] != '\0'; i ++ ) { @@ -432,14 +341,14 @@ void irc_process( irc_t *irc ) "expect by changing the charset setting. See " "`help set charset' for more information. Your " "message was ignored.", - set_getstr( &irc->set, "charset" ) ); + set_getstr( &irc->b->set, "charset" ) ); g_free( conv ); conv = NULL; } else { - irc_write( irc, ":%s NOTICE AUTH :%s", irc->myhost, + irc_write( irc, ":%s NOTICE AUTH :%s", irc->root->host, "Warning: invalid characters received at login time." ); conv = g_strdup( lines[i] ); @@ -477,9 +386,11 @@ void irc_process( irc_t *irc ) } } -/* Splits a long string into separate lines. The array is NULL-terminated and, unless the string - contains an incomplete line at the end, ends with an empty string. */ -char **irc_tokenize( char *buffer ) +/* Splits a long string into separate lines. The array is NULL-terminated + and, unless the string contains an incomplete line at the end, ends with + an empty string. Could use g_strsplit() but this one does it in-place. + (So yes, it's destructive.) */ +static char **irc_splitlines( char *buffer ) { int i, j, n = 3; char **lines; @@ -610,46 +521,45 @@ char *irc_build_line( char **cmd ) return s; } -void irc_reply( irc_t *irc, int code, char *format, ... ) +void irc_write( irc_t *irc, char *format, ... ) { - char text[IRC_MAX_LINE]; va_list params; - + va_start( params, format ); - g_vsnprintf( text, IRC_MAX_LINE, format, params ); + irc_vawrite( irc, 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, ... ) +void irc_write_all( int now, char *format, ... ) { - char text[1024]; va_list params; - char is_private = 0; - user_t *u; - - u = user_find( irc, irc->mynick ); - is_private = u->is_private; + GSList *temp; 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 ); + temp = irc_connection_list; + while( temp != NULL ) + { + irc_t *irc = temp->data; + + if( now ) + { + g_free( irc->sendbuffer ); + irc->sendbuffer = g_strdup( "\r\n" ); + } + irc_vawrite( temp->data, format, params ); + if( now ) + { + bitlbee_io_current_client_write( irc, irc->fd, B_EV_IO_WRITE ); + } + temp = temp->next; + } + va_end( params ); - return; -} +} void irc_vawrite( irc_t *irc, char *format, va_list params ) { @@ -706,105 +616,66 @@ void irc_vawrite( irc_t *irc, char *format, va_list params ) return; } -void irc_write_all( int now, char *format, ... ) +int irc_check_login( irc_t *irc ) { - va_list params; - GSList *temp; - - va_start( params, format ); - - temp = irc_connection_list; - while( temp != NULL ) + if( irc->user->user && irc->user->nick ) { - irc_t *irc = temp->data; - - if( now ) - { - g_free( irc->sendbuffer ); - irc->sendbuffer = g_strdup( "\r\n" ); - } - irc_vawrite( temp->data, format, params ); - if( now ) + if( global.conf->authmode == AUTHMODE_CLOSED && !( irc->status & USTATUS_AUTHORIZED ) ) { - bitlbee_io_current_client_write( irc, irc->fd, B_EV_IO_WRITE ); + irc_send_num( irc, 464, ":This server is password-protected." ); + return 0; } - temp = temp->next; - } - - va_end( params ); - return; -} - -void irc_names( irc_t *irc, char *channel ) -{ - user_t *u; - char namelist[385] = ""; - struct groupchat *c = NULL; - char *ops = set_getstr( &irc->set, "ops" ); - - /* RFCs say there is no error reply allowed on NAMES, so when the - channel is invalid, just give an empty reply. */ - - if( g_strcasecmp( channel, irc->channel ) == 0 ) - { - for( u = irc->users; u; u = u->next ) if( u->online ) + else { - if( strlen( namelist ) + strlen( u->nick ) > sizeof( namelist ) - 4 ) - { - irc_reply( irc, 353, "= %s :%s", channel, namelist ); - *namelist = 0; - } + irc_channel_t *ic; + irc_user_t *iu = irc->user; - 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, "@" ); + irc->user = irc_user_new( irc, iu->nick ); + irc->user->user = iu->user; + irc->user->host = iu->host; + irc->user->fullname = iu->fullname; + irc->user->f = &irc_user_self_funcs; + g_free( iu->nick ); + g_free( iu ); - strcat( namelist, u->nick ); - strcat( namelist, " " ); - } - } - else if( ( c = irc_chat_by_channel( irc, channel ) ) ) - { - GList *l; - - /* root and the user aren't in the channel userlist but should - show up in /NAMES, so list them first: */ - sprintf( namelist, "%s%s %s%s ", strcmp( ops, "root" ) == 0 || strcmp( ops, "both" ) ? "@" : "", irc->mynick, - strcmp( ops, "user" ) == 0 || strcmp( ops, "both" ) ? "@" : "", irc->nick ); - - for( l = c->in_room; l; l = l->next ) if( ( u = user_findhandle( c->ic, l->data ) ) ) - { - if( strlen( namelist ) + strlen( u->nick ) > sizeof( namelist ) - 4 ) + if( global.conf->runmode == RUNMODE_FORKDAEMON || global.conf->runmode == RUNMODE_DAEMON ) + ipc_to_master_str( "CLIENT %s %s :%s\r\n", irc->user->host, irc->user->nick, irc->user->fullname ); + + irc->status |= USTATUS_LOGGED_IN; + + /* This is for bug #209 (use PASS to identify to NickServ). */ + if( irc->password != NULL ) { - irc_reply( irc, 353, "= %s :%s", channel, namelist ); - *namelist = 0; + char *send_cmd[] = { "identify", g_strdup( irc->password ), NULL }; + + /*irc_setpass( irc, NULL );*/ + /*root_command( irc, send_cmd );*/ + g_free( send_cmd[1] ); } - strcat( namelist, u->nick ); - strcat( namelist, " " ); - } - } - - if( *namelist ) - irc_reply( irc, 353, "= %s :%s", channel, namelist ); - - irc_reply( irc, 366, "%s :End of /NAMES list", channel ); -} - -int irc_check_login( irc_t *irc ) -{ - if( irc->user && irc->nick ) - { - if( global.conf->authmode == AUTHMODE_CLOSED && !( irc->status & USTATUS_AUTHORIZED ) ) - { - irc_reply( irc, 464, ":This server is password-protected." ); - return 0; - } - else - { - irc_login( irc ); + irc_send_login( irc ); + + irc->umode[0] = '\0'; + irc_umode_set( irc, "+" UMODE, TRUE ); + + ic = irc->default_channel = irc_channel_new( irc, ROOT_CHAN ); + irc_channel_set_topic( ic, CONTROL_TOPIC, irc->root ); + irc_channel_add_user( ic, irc->user ); + + if( strcmp( set_getstr( &irc->b->set, "ops" ), "both" ) == 0 || + strcmp( set_getstr( &irc->b->set, "ops" ), "user" ) == 0 ) + irc_channel_user_set_mode( ic, irc->user, IRC_CHANNEL_USER_OP ); + + irc->last_root_cmd = g_strdup( ROOT_CHAN ); + + irc_send_msg( irc->root, "PRIVMSG", ROOT_CHAN, + "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.", NULL ); + return 1; } } @@ -815,135 +686,12 @@ int irc_check_login( irc_t *irc ) } } -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 UMODES_PRIV, CMODES ); - irc_reply( 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_motd( irc ); - irc->umode[0] = '\0'; - irc_umode_set( irc, "+" UMODE, 1 ); - - 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; - irc_spawn( irc, u ); - - 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." ); - - if( global.conf->runmode == RUNMODE_FORKDAEMON || global.conf->runmode == RUNMODE_DAEMON ) - ipc_to_master_str( "CLIENT %s %s :%s\r\n", irc->host, irc->nick, irc->realname ); - - irc->status |= USTATUS_LOGGED_IN; - - /* This is for bug #209 (use PASS to identify to NickServ). */ - if( irc->password != NULL ) - { - char *send_cmd[] = { "identify", g_strdup( irc->password ), NULL }; - - irc_setpass( irc, NULL ); - root_command( irc, send_cmd ); - g_free( send_cmd[1] ); - } -} - -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" ); - close( fd ); - } -} - -void irc_topic( irc_t *irc, char *channel ) -{ - struct groupchat *c = irc_chat_by_channel( irc, channel ); - - if( c && c->topic ) - irc_reply( irc, 332, "%s :%s", channel, c->topic ); - else if( g_strcasecmp( channel, irc->channel ) == 0 ) - irc_reply( irc, 332, "%s :%s", channel, CONTROL_TOPIC ); - else - irc_reply( irc, 331, "%s :No topic for this channel", channel ); -} - -void irc_umode_set( irc_t *irc, char *s, int allow_priv ) +void irc_umode_set( irc_t *irc, const char *s, gboolean allow_priv ) { /* allow_priv: Set to 0 if s contains user input, 1 if you want to set a "privileged" mode (+o, +R, etc). */ - char m[256], st = 1, *t; + char m[128], st = 1; + const char *t; int i; char changes[512], *p, st2 = 2; char badflag = 0; @@ -951,14 +699,17 @@ void irc_umode_set( irc_t *irc, char *s, int allow_priv ) memset( m, 0, sizeof( m ) ); for( t = irc->umode; *t; t ++ ) - m[(int)*t] = 1; - + if( *t < sizeof( m ) ) + m[(int)*t] = 1; + p = changes; for( t = s; *t; t ++ ) { if( *t == '+' || *t == '-' ) st = *t == '+'; - else if( st == 0 || ( strchr( UMODES, *t ) || ( allow_priv && strchr( UMODES_PRIV, *t ) ) ) ) + else if( ( st == 0 && ( !strchr( UMODES_KEEP, *t ) || allow_priv ) ) || + ( st == 1 && strchr( UMODES, *t ) ) || + ( st == 1 && allow_priv && strchr( UMODES_PRIV, *t ) ) ) { if( m[(int)*t] != st) { @@ -975,338 +726,16 @@ void irc_umode_set( irc_t *irc, char *s, int allow_priv ) memset( irc->umode, 0, sizeof( irc->umode ) ); - for( i = 0; i < 256 && strlen( irc->umode ) < ( sizeof( irc->umode ) - 1 ); i ++ ) + for( i = 'A'; i <= 'z' && strlen( irc->umode ) < ( sizeof( irc->umode ) - 1 ); i ++ ) if( m[i] ) irc->umode[strlen(irc->umode)] = i; if( badflag ) - irc_reply( irc, 501, ":Unknown MODE flag" ); - /* Deliberately no !user@host on the prefix here */ + irc_send_num( irc, 501, ":Unknown MODE flag" ); if( *changes ) - irc_write( irc, ":%s MODE %s %s", irc->nick, irc->nick, changes ); -} - -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, (int) 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, *s; - char reason[128]; - - if( u->ic && u->ic->flags & OPT_LOGGING_OUT && set_getbool( &irc->set, "simulate_netsplit" ) ) - { - if( u->ic->acc->server ) - g_snprintf( reason, sizeof( reason ), "%s %s", irc->myhost, - u->ic->acc->server ); - else if( ( s = strchr( u->ic->acc->user, '@' ) ) ) - g_snprintf( reason, sizeof( reason ), "%s %s", irc->myhost, - s + 1 ); - else - g_snprintf( reason, sizeof( reason ), "%s %s.%s", irc->myhost, - u->ic->acc->prpl->name, irc->myhost ); - - /* proto_opt might contain garbage after the : */ - if( ( s = strchr( reason, ':' ) ) ) - *s = 0; - } - else - { - strcpy( reason, "Leaving..." ); - } - - irc_write( irc, ":%s!%s@%s QUIT :%s", u->nick, u->user, u->host, reason ); - - 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, (int) time( NULL ), "logged offline" ); - } - g_free( nick ); -} - -int irc_send( irc_t *irc, char *nick, char *s, int flags ) -{ - struct groupchat *c = NULL; - user_t *u = NULL; - - if( strchr( CTYPES, *nick ) ) - { - if( !( c = irc_chat_by_channel( irc, 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->ic && u->ic->acc->prpl->send_typing && strlen( s ) >= 10 ) - { - time_t current_typing_notice = time( NULL ); - - if( current_typing_notice - u->last_typing_notice >= 5 ) - { - u->ic->acc->prpl->send_typing( u->ic, u->handle, ( s[8] - '0' ) << 8 ); - u->last_typing_notice = current_typing_notice; - } - } - return( 1 ); - } - else if( g_strncasecmp( s + 1, "DCC", 3 ) == 0 ) - { - if( u && u->ic && u->ic->acc->prpl->transfer_request ) - { - file_transfer_t *ft = dcc_request( u->ic, s + 5 ); - if ( ft ) - u->ic->acc->prpl->transfer_request( u->ic, ft, u->handle ); - } - return( 1 ); - } - else - { - irc_usermsg( irc, "Supported CTCPs are ACTION, VERSION, PING, TYPING, DCC" ); - 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 ) - { - u->send_handler( irc, u, s, flags ); - return 1; - } - } - else if( c && c->ic && c->ic->acc && c->ic->acc->prpl ) - { - return( imc_chat_msg( c, s, 0 ) ); - } - - return( 0 ); -} - -static gboolean buddy_send_handler_delayed( gpointer data, gint fd, b_input_condition cond ) -{ - user_t *u = data; - - /* Shouldn't happen, but just to be sure. */ - if( u->sendbuf_len < 2 ) - return FALSE; - - u->sendbuf[u->sendbuf_len-2] = 0; /* Cut off the last newline */ - imc_buddy_msg( u->ic, u->handle, 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; -} - -void buddy_send_handler( irc_t *irc, user_t *u, char *msg, int flags ) -{ - if( !u || !u->ic ) return; - - if( set_getbool( &irc->set, "buddy_sendbuffer" ) && set_getint( &irc->set, "buddy_sendbuffer_delay" ) > 0 ) - { - int delay; - - if( u->sendbuf_len > 0 && u->sendbuf_flags != flags) - { - /* Flush the buffer */ - b_event_remove( u->sendbuf_timer ); - buddy_send_handler_delayed( u, -1, 0 ); - } - - 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" ); - - delay = set_getint( &irc->set, "buddy_sendbuffer_delay" ); - if( delay <= 5 ) - delay *= 1000; - - if( u->sendbuf_timer > 0 ) - b_event_remove( u->sendbuf_timer ); - u->sendbuf_timer = b_timeout_add( delay, buddy_send_handler_delayed, u ); - } - else - { - imc_buddy_msg( u->ic, u->handle, 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 ? 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->set, "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 ); + irc_write( irc, ":%s!%s@%s MODE %s :%s", irc->user->nick, + irc->user->user, irc->user->host, irc->user->nick, + changes ); } /* Returns 0 if everything seems to be okay, a number >0 when there was a @@ -1345,26 +774,47 @@ static gboolean irc_userping( gpointer _irc, gint fd, b_input_condition cond ) return TRUE; } -struct groupchat *irc_chat_by_channel( irc_t *irc, char *channel ) +static char *set_eval_charset( set_t *set, char *value ) { - struct groupchat *c; - account_t *a; + irc_t *irc = (irc_t*) set->data; + char *test; + gsize test_bytes = 0; + GIConv ic, oc; + + if( g_strcasecmp( value, "none" ) == 0 ) + value = g_strdup( "utf-8" ); + + if( ( oc = g_iconv_open( value, "utf-8" ) ) == (GIConv) -1 ) + { + return NULL; + } - /* This finds the connection which has a conversation which belongs to this channel */ - for( a = irc->accounts; a; a = a->next ) + /* Do a test iconv to see if the user picked an IRC-compatible + charset (for example utf-16 goes *horribly* wrong). */ + if( ( test = g_convert_with_iconv( " ", 1, oc, NULL, &test_bytes, NULL ) ) == NULL || + test_bytes > 1 ) { - if( a->ic == NULL ) - continue; - - c = a->ic->groupchats; - while( c ) - { - if( c->channel && g_strcasecmp( c->channel, channel ) == 0 ) - return c; - - c = c->next; - } + g_free( test ); + g_iconv_close( oc ); + irc_usermsg( irc, "Unsupported character set: The IRC protocol " + "only supports 8-bit character sets." ); + return NULL; } + g_free( test ); - return NULL; + if( ( ic = g_iconv_open( "utf-8", value ) ) == (GIConv) -1 ) + { + g_iconv_close( oc ); + return NULL; + } + + if( irc->iconv != (GIConv) -1 ) + g_iconv_close( irc->iconv ); + if( irc->oconv != (GIConv) -1 ) + g_iconv_close( irc->oconv ); + + irc->iconv = ic; + irc->oconv = oc; + + return value; } |