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-rw-r--r--protocols/msn/sb.c659
1 files changed, 659 insertions, 0 deletions
diff --git a/protocols/msn/sb.c b/protocols/msn/sb.c
new file mode 100644
index 00000000..38ead0bd
--- /dev/null
+++ b/protocols/msn/sb.c
@@ -0,0 +1,659 @@
+ /********************************************************************\
+ * BitlBee -- An IRC to other IM-networks gateway *
+ * *
+ * Copyright 2002-2004 Wilmer van der Gaast and others *
+ \********************************************************************/
+
+/* MSN module - Switchboard server callbacks and utilities */
+
+/*
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License with
+ the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
+ if not, write to the Free Software Foundation, Inc., 59 Temple Place,
+ Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include <ctype.h>
+#include "nogaim.h"
+#include "msn.h"
+#include "passport.h"
+#include "md5.h"
+
+static void msn_sb_callback( gpointer data, gint source, GaimInputCondition cond );
+static int msn_sb_command( gpointer data, char **cmd, int num_parts );
+static int msn_sb_message( gpointer data, char *msg, int msglen, char **cmd, int num_parts );
+
+int msn_sb_write( struct msn_switchboard *sb, char *s, int len )
+{
+ int st;
+
+ st = write( sb->fd, s, len );
+ if( st != len )
+ {
+ msn_sb_destroy( sb );
+ return( 0 );
+ }
+
+ return( 1 );
+}
+
+struct msn_switchboard *msn_sb_create( struct gaim_connection *gc, char *host, int port, char *key, int session )
+{
+ struct msn_data *md = gc->proto_data;
+ struct msn_switchboard *sb = g_new0( struct msn_switchboard, 1 );
+
+ sb->fd = proxy_connect( host, port, msn_sb_connected, sb );
+ if( sb->fd < 0 )
+ {
+ g_free( sb );
+ return( NULL );
+ }
+
+ sb->gc = gc;
+ sb->key = g_strdup( key );
+ sb->session = session;
+
+ msn_switchboards = g_slist_append( msn_switchboards, sb );
+ md->switchboards = g_slist_append( md->switchboards, sb );
+
+ return( sb );
+}
+
+struct msn_switchboard *msn_sb_by_handle( struct gaim_connection *gc, char *handle )
+{
+ struct msn_data *md = gc->proto_data;
+ struct msn_switchboard *sb;
+ GSList *l;
+
+ for( l = md->switchboards; l; l = l->next )
+ {
+ sb = l->data;
+ if( sb->who && strcmp( sb->who, handle ) == 0 )
+ return( sb );
+ }
+
+ return( NULL );
+}
+
+struct msn_switchboard *msn_sb_by_id( struct gaim_connection *gc, int id )
+{
+ struct msn_data *md = gc->proto_data;
+ struct msn_switchboard *sb;
+ GSList *l;
+
+ for( l = md->switchboards; l; l = l->next )
+ {
+ sb = l->data;
+ if( sb->chat && sb->chat->id == id )
+ return( sb );
+ }
+
+ return( NULL );
+}
+
+struct msn_switchboard *msn_sb_spare( struct gaim_connection *gc )
+{
+ struct msn_data *md = gc->proto_data;
+ struct msn_switchboard *sb;
+ GSList *l;
+
+ for( l = md->switchboards; l; l = l->next )
+ {
+ sb = l->data;
+ if( !sb->who && !sb->chat )
+ return( sb );
+ }
+
+ return( NULL );
+}
+
+int msn_sb_sendmessage( struct msn_switchboard *sb, char *text )
+{
+ if( sb->ready )
+ {
+ char cmd[1024], *buf;
+ int i, j;
+
+ if( strcmp( text, TYPING_NOTIFICATION_MESSAGE ) != 0 )
+ {
+ buf = g_new0( char, sizeof( MSN_MESSAGE_HEADERS ) + strlen( text ) * 2 );
+ i = strlen( MSN_MESSAGE_HEADERS );
+
+ strcpy( buf, MSN_MESSAGE_HEADERS );
+ for( j = 0; text[j]; j ++ )
+ {
+ if( text[j] == '\n' )
+ buf[i++] = '\r';
+
+ buf[i++] = text[j];
+ }
+ }
+ else
+ {
+ i = strlen( MSN_TYPING_HEADERS ) + strlen( sb->gc->username );
+ buf = g_new0( char, strlen( MSN_TYPING_HEADERS ) + strlen( sb->gc->username ) );
+ i = g_snprintf( buf, i, MSN_TYPING_HEADERS, sb->gc->username );
+ }
+
+ g_snprintf( cmd, sizeof( cmd ), "MSG %d N %d\r\n", ++sb->trId, i );
+ if( msn_sb_write( sb, cmd, strlen( cmd ) ) && msn_sb_write( sb, buf, i ) )
+ {
+ g_free( buf );
+ return( 1 );
+ }
+ else
+ {
+ g_free( buf );
+ return( 0 );
+ }
+ }
+ else if( sb->who )
+ {
+ struct msn_message *m = g_new0( struct msn_message, 1 );
+
+ m->who = g_strdup( "" );
+ m->text = g_strdup( text );
+ sb->msgq = g_slist_append( sb->msgq, m );
+
+ return( 1 );
+ }
+ else
+ {
+ return( 0 );
+ }
+}
+
+void msn_sb_to_chat( struct msn_switchboard *sb )
+{
+ struct gaim_connection *gc = sb->gc;
+ char buf[1024];
+
+ /* Create the groupchat structure. */
+ g_snprintf( buf, sizeof( buf ), "MSN groupchat session %d", sb->session );
+ sb->chat = serv_got_joined_chat( gc, ++msn_chat_id, buf );
+
+ /* Populate the channel. */
+ if( sb->who ) add_chat_buddy( sb->chat, sb->who );
+ add_chat_buddy( sb->chat, gc->username );
+
+ /* And make sure the switchboard doesn't look like a regular chat anymore. */
+ if( sb->who )
+ {
+ g_free( sb->who );
+ sb->who = NULL;
+ }
+}
+
+void msn_sb_destroy( struct msn_switchboard *sb )
+{
+ struct gaim_connection *gc = sb->gc;
+ struct msn_data *md = gc->proto_data;
+
+ debug( "Destroying switchboard: %s", sb->who ? sb->who : sb->key ? sb->key : "" );
+
+ if( sb->key ) g_free( sb->key );
+ if( sb->who ) g_free( sb->who );
+
+ if( sb->msgq )
+ {
+ struct msn_message *m;
+ GSList *l;
+
+ for( l = sb->msgq; l; l = l->next )
+ {
+ m = l->data;
+ g_free( m->who );
+ g_free( m->text );
+ g_free( m );
+ }
+ g_slist_free( sb->msgq );
+
+ serv_got_crap( gc, "Warning: Closing down MSN switchboard connection with unsent message(s), you'll have to resend them." );
+ }
+
+ if( sb->chat )
+ {
+ serv_got_chat_left( gc, sb->chat->id );
+ }
+
+ if( sb->handler )
+ {
+ if( sb->handler->rxq ) g_free( sb->handler->rxq );
+ if( sb->handler->cmd_text ) g_free( sb->handler->cmd_text );
+ g_free( sb->handler );
+ }
+
+ if( sb->inp ) gaim_input_remove( sb->inp );
+ closesocket( sb->fd );
+
+ msn_switchboards = g_slist_remove( msn_switchboards, sb );
+ md->switchboards = g_slist_remove( md->switchboards, sb );
+ g_free( sb );
+}
+
+void msn_sb_connected( gpointer data, gint source, GaimInputCondition cond )
+{
+ struct msn_switchboard *sb = data;
+ struct gaim_connection *gc;
+ struct msn_data *md;
+ char buf[1024];
+
+ /* Are we still alive? */
+ if( !g_slist_find( msn_switchboards, sb ) )
+ return;
+
+ gc = sb->gc;
+ md = gc->proto_data;
+
+ if( source != sb->fd )
+ {
+ debug( "ERROR %d while connecting to switchboard server", 1 );
+ msn_sb_destroy( sb );
+ return;
+ }
+
+ /* Prepare the callback */
+ sb->handler = g_new0( struct msn_handler_data, 1 );
+ sb->handler->fd = sb->fd;
+ sb->handler->rxq = g_new0( char, 1 );
+ sb->handler->data = sb;
+ sb->handler->exec_command = msn_sb_command;
+ sb->handler->exec_message = msn_sb_message;
+
+ if( sb->session == MSN_SB_NEW )
+ g_snprintf( buf, sizeof( buf ), "USR %d %s %s\r\n", ++sb->trId, gc->username, sb->key );
+ else
+ g_snprintf( buf, sizeof( buf ), "ANS %d %s %s %d\r\n", ++sb->trId, gc->username, sb->key, sb->session );
+
+ if( msn_sb_write( sb, buf, strlen( buf ) ) )
+ sb->inp = gaim_input_add( sb->fd, GAIM_INPUT_READ, msn_sb_callback, sb );
+ else
+ debug( "ERROR %d while connecting to switchboard server", 2 );
+}
+
+static void msn_sb_callback( gpointer data, gint source, GaimInputCondition cond )
+{
+ struct msn_switchboard *sb = data;
+
+ if( msn_handler( sb->handler ) == -1 )
+ {
+ debug( "ERROR: Switchboard died" );
+ msn_sb_destroy( sb );
+ }
+}
+
+static int msn_sb_command( gpointer data, char **cmd, int num_parts )
+{
+ struct msn_switchboard *sb = data;
+ struct gaim_connection *gc = sb->gc;
+ char buf[1024];
+
+ if( !num_parts )
+ {
+ /* Hrrm... Empty command...? Ignore? */
+ return( 1 );
+ }
+
+ if( strcmp( cmd[0], "XFR" ) == 0 )
+ {
+ hide_login_progress_error( gc, "Received an XFR from a switchboard server, unable to comply! This is likely to be a bug, please report it!" );
+ signoff( gc );
+ return( 0 );
+ }
+ else if( strcmp( cmd[0], "USR" ) == 0 )
+ {
+ if( num_parts != 5 )
+ {
+ msn_sb_destroy( sb );
+ return( 0 );
+ }
+
+ if( strcmp( cmd[2], "OK" ) != 0 )
+ {
+ msn_sb_destroy( sb );
+ return( 0 );
+ }
+
+ if( sb->who )
+ {
+ g_snprintf( buf, sizeof( buf ), "CAL %d %s\r\n", ++sb->trId, sb->who );
+ return( msn_sb_write( sb, buf, strlen( buf ) ) );
+ }
+ else
+ {
+ debug( "Just created a switchboard, but I don't know what to do with it." );
+ }
+ }
+ else if( strcmp( cmd[0], "IRO" ) == 0 )
+ {
+ int num, tot;
+
+ if( num_parts != 6 )
+ {
+ msn_sb_destroy( sb );
+ return( 0 );
+ }
+
+ num = atoi( cmd[2] );
+ tot = atoi( cmd[3] );
+
+ if( tot <= 0 )
+ {
+ msn_sb_destroy( sb );
+ return( 0 );
+ }
+ else if( tot > 1 )
+ {
+ char buf[1024];
+
+ if( num == 1 )
+ {
+ g_snprintf( buf, sizeof( buf ), "MSN groupchat session %d", sb->session );
+ sb->chat = serv_got_joined_chat( gc, ++msn_chat_id, buf );
+
+ g_free( sb->who );
+ sb->who = NULL;
+ }
+
+ add_chat_buddy( sb->chat, cmd[4] );
+
+ if( num == tot )
+ {
+ add_chat_buddy( sb->chat, gc->username );
+ }
+ }
+ }
+ else if( strcmp( cmd[0], "ANS" ) == 0 )
+ {
+ if( num_parts != 3 )
+ {
+ msn_sb_destroy( sb );
+ return( 0 );
+ }
+
+ if( strcmp( cmd[2], "OK" ) != 0 )
+ {
+ debug( "Switchboard server sent a negative ANS reply" );
+ msn_sb_destroy( sb );
+ return( 0 );
+ }
+
+ sb->ready = 1;
+ }
+ else if( strcmp( cmd[0], "CAL" ) == 0 )
+ {
+ if( num_parts != 4 || !isdigit( cmd[3][0] ) )
+ {
+ msn_sb_destroy( sb );
+ return( 0 );
+ }
+
+ sb->session = atoi( cmd[3] );
+ }
+ else if( strcmp( cmd[0], "JOI" ) == 0 )
+ {
+ if( num_parts != 3 )
+ {
+ msn_sb_destroy( sb );
+ return( 0 );
+ }
+
+ if( sb->who && g_strcasecmp( cmd[1], sb->who ) == 0 )
+ {
+ /* The user we wanted to talk to is finally there, let's send the queued messages then. */
+ struct msn_message *m;
+ GSList *l;
+ int st = 1;
+
+ debug( "%s arrived in the switchboard session, now sending queued message(s)", cmd[1] );
+
+ /* Without this, sendmessage() will put everything back on the queue... */
+ sb->ready = 1;
+
+ while( ( l = sb->msgq ) )
+ {
+ m = l->data;
+ if( st )
+ {
+ /* This hack is meant to convert a regular new chat into a groupchat */
+ if( strcmp( m->text, GROUPCHAT_SWITCHBOARD_MESSAGE ) == 0 )
+ msn_sb_to_chat( sb );
+ else
+ st = msn_sb_sendmessage( sb, m->text );
+ }
+ g_free( m->text );
+ g_free( m->who );
+ g_free( m );
+
+ sb->msgq = g_slist_remove( sb->msgq, m );
+ }
+
+ return( st );
+ }
+ else if( sb->who )
+ {
+ debug( "Converting chat with %s to a groupchat because %s joined the session.", sb->who, cmd[1] );
+
+ /* This SB is a one-to-one chat right now, but someone else is joining. */
+ msn_sb_to_chat( sb );
+
+ add_chat_buddy( sb->chat, cmd[1] );
+ }
+ else if( sb->chat )
+ {
+ add_chat_buddy( sb->chat, cmd[1] );
+ sb->ready = 1;
+ }
+ else
+ {
+ /* PANIC! */
+ }
+ }
+ else if( strcmp( cmd[0], "MSG" ) == 0 )
+ {
+ if( num_parts != 4 )
+ {
+ msn_sb_destroy( sb );
+ return( 0 );
+ }
+
+ sb->handler->msglen = atoi( cmd[3] );
+
+ if( sb->handler->msglen <= 0 )
+ {
+ debug( "Received a corrupted message on the switchboard, the switchboard will be closed" );
+ msn_sb_destroy( sb );
+ return( 0 );
+ }
+ }
+ else if( strcmp( cmd[0], "BYE" ) == 0 )
+ {
+ if( num_parts < 2 )
+ {
+ msn_sb_destroy( sb );
+ return( 0 );
+ }
+
+ /* if( cmd[2] && *cmd[2] == '1' ) -=> Chat is being cleaned up because of idleness */
+
+ if( sb->who )
+ {
+ /* This is a single-person chat, and the other person is leaving. */
+ g_free( sb->who );
+ sb->who = NULL;
+ sb->ready = 0;
+
+ debug( "Person %s left the one-to-one switchboard connection. Keeping it around as a spare...", cmd[1] );
+
+ /* We could clean up the switchboard now, but keeping it around
+ as a spare for a next conversation sounds more sane to me.
+ The server will clean it up when it's idle for too long. */
+ }
+ else if( sb->chat )
+ {
+ remove_chat_buddy( sb->chat, cmd[1], "" );
+ }
+ else
+ {
+ /* PANIC! */
+ }
+ }
+ else if( isdigit( cmd[0][0] ) )
+ {
+ int num = atoi( cmd[0] );
+ struct msn_status_code *err = msn_status_by_number( num );
+
+ g_snprintf( buf, sizeof( buf ), "Error reported by switchboard server: %s", err->text );
+ do_error_dialog( gc, buf, "MSN" );
+
+ if( err->flags & STATUS_SB_FATAL )
+ {
+ msn_sb_destroy( sb );
+ return( 0 );
+ }
+ else if( err->flags & STATUS_FATAL )
+ {
+ signoff( gc );
+ return( 0 );
+ }
+ }
+ else
+ {
+ debug( "Received unknown command from switchboard server: %s", cmd[0] );
+ }
+
+ return( 1 );
+}
+
+static int msn_sb_message( gpointer data, char *msg, int msglen, char **cmd, int num_parts )
+{
+ struct msn_switchboard *sb = data;
+ struct gaim_connection *gc = sb->gc;
+ char *body;
+ int blen = 0;
+
+ if( !num_parts )
+ return( 1 );
+
+ if( ( body = strstr( msg, "\r\n\r\n" ) ) )
+ {
+ body += 4;
+ blen = msglen - ( body - msg );
+ }
+
+ if( strcmp( cmd[0], "MSG" ) == 0 )
+ {
+ char *ct = msn_findheader( msg, "Content-Type:", msglen );
+
+ if( !ct )
+ return( 1 );
+
+ if( g_strncasecmp( ct, "text/plain", 10 ) == 0 )
+ {
+ g_free( ct );
+
+ if( !body )
+ return( 1 );
+
+ if( sb->who )
+ {
+ serv_got_im( gc, cmd[1], body, 0, 0, blen );
+ }
+ else if( sb->chat )
+ {
+ serv_got_chat_in( gc, sb->chat->id, cmd[1], 0, body, 0 );
+ }
+ else
+ {
+ /* PANIC! */
+ }
+ }
+ else if( g_strncasecmp( ct, "text/x-msmsgsinvite", 19 ) == 0 )
+ {
+ char *itype = msn_findheader( body, "Application-GUID:", blen );
+ char buf[1024];
+
+ g_free( ct );
+
+ *buf = 0;
+
+ if( !itype )
+ return( 1 );
+
+ /* File transfer. */
+ if( strcmp( itype, "{5D3E02AB-6190-11d3-BBBB-00C04F795683}" ) == 0 )
+ {
+ char *name = msn_findheader( body, "Application-File:", blen );
+ char *size = msn_findheader( body, "Application-FileSize:", blen );
+
+ if( name && size )
+ {
+ g_snprintf( buf, sizeof( buf ), "<< \x02""BitlBee\x02"" - Filetransfer: `%s', %s bytes >>\n"
+ "Filetransfers are not supported by BitlBee for now...", name, size );
+ }
+ else
+ {
+ strcpy( buf, "<< \x02""BitlBee\x02"" - Corrupted MSN filetransfer invitation message >>" );
+ }
+
+ if( name ) g_free( name );
+ if( size ) g_free( size );
+ }
+ else
+ {
+ char *iname = msn_findheader( body, "Application-Name:", blen );
+
+ g_snprintf( buf, sizeof( buf ), "<< \x02""BitlBee\x02"" - Unknown MSN invitation - %s (%s) >>",
+ itype, iname ? iname : "no name" );
+
+ if( iname ) g_free( iname );
+ }
+
+ g_free( itype );
+
+ if( !*buf )
+ return( 1 );
+
+ if( sb->who )
+ {
+ serv_got_im( gc, cmd[1], buf, 0, 0, strlen( buf ) );
+ }
+ else if( sb->chat )
+ {
+ serv_got_chat_in( gc, sb->chat->id, cmd[1], 0, buf, 0 );
+ }
+ else
+ {
+ /* PANIC! */
+ }
+ }
+ else if( g_strncasecmp( ct, "text/x-msmsgscontrol", 20 ) == 0 )
+ {
+ char *who = msn_findheader( msg, "TypingUser:", msglen );
+
+ if( who )
+ {
+ serv_got_typing( gc, who, 5 );
+ g_free( who );
+ }
+
+ g_free( ct );
+ }
+ else
+ {
+ g_free( ct );
+ }
+ }
+
+ return( 1 );
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-26 17:15:05 +0000