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-rw-r--r--irc.c1573
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;
+}