[b7d3cc34] | 1 | /********************************************************************\ |
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| 2 | * BitlBee -- An IRC to other IM-networks gateway * |
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| 3 | * * |
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[c92e6801] | 4 | * Copyright 2002-2005 Wilmer van der Gaast and others * |
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[b7d3cc34] | 5 | \********************************************************************/ |
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| 6 | |
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| 7 | /* MSN module - Switchboard server callbacks and utilities */ |
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| 8 | |
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| 9 | /* |
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| 10 | This program is free software; you can redistribute it and/or modify |
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| 11 | it under the terms of the GNU General Public License as published by |
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| 12 | the Free Software Foundation; either version 2 of the License, or |
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| 13 | (at your option) any later version. |
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| 14 | |
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| 15 | This program is distributed in the hope that it will be useful, |
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| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 18 | GNU General Public License for more details. |
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| 19 | |
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| 20 | You should have received a copy of the GNU General Public License with |
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| 21 | the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; |
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| 22 | if not, write to the Free Software Foundation, Inc., 59 Temple Place, |
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| 23 | Suite 330, Boston, MA 02111-1307 USA |
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| 24 | */ |
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| 25 | |
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| 26 | #include <ctype.h> |
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| 27 | #include "nogaim.h" |
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| 28 | #include "msn.h" |
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| 29 | #include "passport.h" |
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| 30 | #include "md5.h" |
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[a2b99ec] | 31 | #include "invitation.h" |
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[b7d3cc34] | 32 | |
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[ba9edaa] | 33 | static gboolean msn_sb_callback( gpointer data, gint source, b_input_condition cond ); |
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[b7d3cc34] | 34 | static int msn_sb_command( gpointer data, char **cmd, int num_parts ); |
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| 35 | static int msn_sb_message( gpointer data, char *msg, int msglen, char **cmd, int num_parts ); |
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| 36 | |
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| 37 | int msn_sb_write( struct msn_switchboard *sb, char *s, int len ) |
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| 38 | { |
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| 39 | int st; |
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| 40 | |
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| 41 | st = write( sb->fd, s, len ); |
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| 42 | if( st != len ) |
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| 43 | { |
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| 44 | msn_sb_destroy( sb ); |
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| 45 | return( 0 ); |
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| 46 | } |
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| 47 | |
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| 48 | return( 1 ); |
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| 49 | } |
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| 50 | |
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[a830512] | 51 | int msn_sb_write_msg( struct im_connection *ic, struct msn_message *m ) |
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| 52 | { |
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| 53 | struct msn_data *md = ic->proto_data; |
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| 54 | struct msn_switchboard *sb; |
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| 55 | char buf[1024]; |
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| 56 | |
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| 57 | /* FIXME: *CHECK* the reliability of using spare sb's! */ |
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| 58 | if( ( sb = msn_sb_spare( ic ) ) ) |
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| 59 | { |
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| 60 | debug( "Trying to use a spare switchboard to message %s", m->who ); |
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| 61 | |
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| 62 | sb->who = g_strdup( m->who ); |
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| 63 | g_snprintf( buf, sizeof( buf ), "CAL %d %s\r\n", ++sb->trId, m->who ); |
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| 64 | if( msn_sb_write( sb, buf, strlen( buf ) ) ) |
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| 65 | { |
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| 66 | /* He/She should join the switchboard soon, let's queue the message. */ |
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| 67 | sb->msgq = g_slist_append( sb->msgq, m ); |
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| 68 | return( 1 ); |
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| 69 | } |
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| 70 | } |
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| 71 | |
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| 72 | debug( "Creating a new switchboard to message %s", m->who ); |
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| 73 | |
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| 74 | /* If we reach this line, there was no spare switchboard, so let's make one. */ |
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| 75 | g_snprintf( buf, sizeof( buf ), "XFR %d SB\r\n", ++md->trId ); |
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| 76 | if( !msn_write( ic, buf, strlen( buf ) ) ) |
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| 77 | { |
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| 78 | g_free( m->who ); |
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| 79 | g_free( m->text ); |
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| 80 | g_free( m ); |
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| 81 | |
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| 82 | return( 0 ); |
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| 83 | } |
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| 84 | |
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| 85 | /* And queue the message to md. We'll pick it up when the switchboard comes up. */ |
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| 86 | md->msgq = g_slist_append( md->msgq, m ); |
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| 87 | |
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| 88 | /* FIXME: If the switchboard creation fails, the message will not be sent. */ |
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| 89 | |
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| 90 | return( 1 ); |
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| 91 | } |
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| 92 | |
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[0da65d5] | 93 | struct msn_switchboard *msn_sb_create( struct im_connection *ic, char *host, int port, char *key, int session ) |
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[b7d3cc34] | 94 | { |
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[0da65d5] | 95 | struct msn_data *md = ic->proto_data; |
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[b7d3cc34] | 96 | struct msn_switchboard *sb = g_new0( struct msn_switchboard, 1 ); |
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| 97 | |
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| 98 | sb->fd = proxy_connect( host, port, msn_sb_connected, sb ); |
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| 99 | if( sb->fd < 0 ) |
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| 100 | { |
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| 101 | g_free( sb ); |
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| 102 | return( NULL ); |
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| 103 | } |
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| 104 | |
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[0da65d5] | 105 | sb->ic = ic; |
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[b7d3cc34] | 106 | sb->key = g_strdup( key ); |
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| 107 | sb->session = session; |
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| 108 | |
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| 109 | msn_switchboards = g_slist_append( msn_switchboards, sb ); |
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| 110 | md->switchboards = g_slist_append( md->switchboards, sb ); |
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| 111 | |
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| 112 | return( sb ); |
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| 113 | } |
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| 114 | |
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[0da65d5] | 115 | struct msn_switchboard *msn_sb_by_handle( struct im_connection *ic, char *handle ) |
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[b7d3cc34] | 116 | { |
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[0da65d5] | 117 | struct msn_data *md = ic->proto_data; |
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[b7d3cc34] | 118 | struct msn_switchboard *sb; |
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| 119 | GSList *l; |
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| 120 | |
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| 121 | for( l = md->switchboards; l; l = l->next ) |
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| 122 | { |
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| 123 | sb = l->data; |
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| 124 | if( sb->who && strcmp( sb->who, handle ) == 0 ) |
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| 125 | return( sb ); |
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| 126 | } |
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| 127 | |
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| 128 | return( NULL ); |
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| 129 | } |
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| 130 | |
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[0da65d5] | 131 | struct msn_switchboard *msn_sb_by_chat( struct groupchat *c ) |
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[b7d3cc34] | 132 | { |
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[0da65d5] | 133 | struct msn_data *md = c->ic->proto_data; |
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[b7d3cc34] | 134 | struct msn_switchboard *sb; |
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| 135 | GSList *l; |
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| 136 | |
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| 137 | for( l = md->switchboards; l; l = l->next ) |
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| 138 | { |
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| 139 | sb = l->data; |
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[fa29d093] | 140 | if( sb->chat == c ) |
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[b7d3cc34] | 141 | return( sb ); |
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| 142 | } |
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| 143 | |
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| 144 | return( NULL ); |
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| 145 | } |
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| 146 | |
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[0da65d5] | 147 | struct msn_switchboard *msn_sb_spare( struct im_connection *ic ) |
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[b7d3cc34] | 148 | { |
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[0da65d5] | 149 | struct msn_data *md = ic->proto_data; |
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[b7d3cc34] | 150 | struct msn_switchboard *sb; |
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| 151 | GSList *l; |
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| 152 | |
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| 153 | for( l = md->switchboards; l; l = l->next ) |
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| 154 | { |
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| 155 | sb = l->data; |
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| 156 | if( !sb->who && !sb->chat ) |
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| 157 | return( sb ); |
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| 158 | } |
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| 159 | |
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| 160 | return( NULL ); |
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| 161 | } |
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| 162 | |
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| 163 | int msn_sb_sendmessage( struct msn_switchboard *sb, char *text ) |
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| 164 | { |
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| 165 | if( sb->ready ) |
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| 166 | { |
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[bd28e6a] | 167 | char *packet, *buf; |
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[b7d3cc34] | 168 | int i, j; |
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| 169 | |
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[bd28e6a] | 170 | /* Build the message. Convert LF to CR-LF for normal messages. */ |
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[a2b99ec] | 171 | if( strcmp( text, TYPING_NOTIFICATION_MESSAGE ) == 0 ) |
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| 172 | { |
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| 173 | i = strlen( MSN_TYPING_HEADERS ) + strlen( sb->ic->acc->user ); |
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| 174 | buf = g_new0( char, i ); |
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| 175 | i = g_snprintf( buf, i, MSN_TYPING_HEADERS, sb->ic->acc->user ); |
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[1c3008a] | 176 | } |
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| 177 | else if( strncmp( text, MSN_INVITE_HEADERS, sizeof( MSN_INVITE_HEADERS ) - 1 ) == 0 ) |
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[a2b99ec] | 178 | { |
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| 179 | buf = g_strdup( text ); |
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| 180 | i = strlen( buf ); |
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[1c3008a] | 181 | } |
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[9bf2481] | 182 | else if( strcmp( text, SB_KEEPALIVE_MESSAGE ) == 0 ) |
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| 183 | { |
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| 184 | buf = g_strdup( SB_KEEPALIVE_HEADERS ); |
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| 185 | i = strlen( buf ); |
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| 186 | } |
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[1c3008a] | 187 | else |
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[b7d3cc34] | 188 | { |
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[46dca11] | 189 | buf = g_new0( char, sizeof( MSN_MESSAGE_HEADERS ) + strlen( text ) * 2 + 1 ); |
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[b7d3cc34] | 190 | i = strlen( MSN_MESSAGE_HEADERS ); |
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| 191 | |
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| 192 | strcpy( buf, MSN_MESSAGE_HEADERS ); |
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| 193 | for( j = 0; text[j]; j ++ ) |
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| 194 | { |
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| 195 | if( text[j] == '\n' ) |
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| 196 | buf[i++] = '\r'; |
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| 197 | |
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| 198 | buf[i++] = text[j]; |
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| 199 | } |
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| 200 | } |
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| 201 | |
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[bd28e6a] | 202 | /* Build the final packet (MSG command + the message). */ |
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| 203 | packet = g_strdup_printf( "MSG %d N %d\r\n%s", ++sb->trId, i, buf ); |
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| 204 | g_free( buf ); |
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| 205 | if( msn_sb_write( sb, packet, strlen( packet ) ) ) |
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[b7d3cc34] | 206 | { |
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[bd28e6a] | 207 | g_free( packet ); |
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[b7d3cc34] | 208 | return( 1 ); |
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| 209 | } |
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| 210 | else |
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| 211 | { |
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[bd28e6a] | 212 | g_free( packet ); |
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[b7d3cc34] | 213 | return( 0 ); |
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| 214 | } |
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| 215 | } |
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| 216 | else if( sb->who ) |
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| 217 | { |
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| 218 | struct msn_message *m = g_new0( struct msn_message, 1 ); |
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| 219 | |
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| 220 | m->who = g_strdup( "" ); |
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| 221 | m->text = g_strdup( text ); |
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| 222 | sb->msgq = g_slist_append( sb->msgq, m ); |
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| 223 | |
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| 224 | return( 1 ); |
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| 225 | } |
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| 226 | else |
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| 227 | { |
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| 228 | return( 0 ); |
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| 229 | } |
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| 230 | } |
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| 231 | |
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[0da65d5] | 232 | struct groupchat *msn_sb_to_chat( struct msn_switchboard *sb ) |
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[b7d3cc34] | 233 | { |
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[0da65d5] | 234 | struct im_connection *ic = sb->ic; |
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[b7d3cc34] | 235 | char buf[1024]; |
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| 236 | |
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| 237 | /* Create the groupchat structure. */ |
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| 238 | g_snprintf( buf, sizeof( buf ), "MSN groupchat session %d", sb->session ); |
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[61ae52c] | 239 | sb->chat = imcb_chat_new( ic, buf ); |
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[b7d3cc34] | 240 | |
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| 241 | /* Populate the channel. */ |
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[61ae52c] | 242 | if( sb->who ) imcb_chat_add_buddy( sb->chat, sb->who ); |
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| 243 | imcb_chat_add_buddy( sb->chat, ic->acc->user ); |
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[b7d3cc34] | 244 | |
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| 245 | /* And make sure the switchboard doesn't look like a regular chat anymore. */ |
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| 246 | if( sb->who ) |
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| 247 | { |
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| 248 | g_free( sb->who ); |
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| 249 | sb->who = NULL; |
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| 250 | } |
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[fa29d093] | 251 | |
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| 252 | return sb->chat; |
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[b7d3cc34] | 253 | } |
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| 254 | |
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| 255 | void msn_sb_destroy( struct msn_switchboard *sb ) |
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| 256 | { |
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[0da65d5] | 257 | struct im_connection *ic = sb->ic; |
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| 258 | struct msn_data *md = ic->proto_data; |
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[b7d3cc34] | 259 | |
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| 260 | debug( "Destroying switchboard: %s", sb->who ? sb->who : sb->key ? sb->key : "" ); |
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| 261 | |
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[46dca11] | 262 | msn_msgq_purge( ic, &sb->msgq ); |
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[bb839e8] | 263 | msn_sb_stop_keepalives( sb ); |
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[b7d3cc34] | 264 | |
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[8ba511d] | 265 | if( sb->key ) g_free( sb->key ); |
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| 266 | if( sb->who ) g_free( sb->who ); |
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| 267 | |
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[b7d3cc34] | 268 | if( sb->chat ) |
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| 269 | { |
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[e35d1a1] | 270 | imcb_chat_free( sb->chat ); |
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[b7d3cc34] | 271 | } |
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| 272 | |
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| 273 | if( sb->handler ) |
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| 274 | { |
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| 275 | if( sb->handler->rxq ) g_free( sb->handler->rxq ); |
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| 276 | if( sb->handler->cmd_text ) g_free( sb->handler->cmd_text ); |
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| 277 | g_free( sb->handler ); |
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| 278 | } |
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| 279 | |
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[ba9edaa] | 280 | if( sb->inp ) b_event_remove( sb->inp ); |
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[b7d3cc34] | 281 | closesocket( sb->fd ); |
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| 282 | |
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| 283 | msn_switchboards = g_slist_remove( msn_switchboards, sb ); |
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| 284 | md->switchboards = g_slist_remove( md->switchboards, sb ); |
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| 285 | g_free( sb ); |
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| 286 | } |
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| 287 | |
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[ba9edaa] | 288 | gboolean msn_sb_connected( gpointer data, gint source, b_input_condition cond ) |
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[b7d3cc34] | 289 | { |
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| 290 | struct msn_switchboard *sb = data; |
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[0da65d5] | 291 | struct im_connection *ic; |
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[b7d3cc34] | 292 | struct msn_data *md; |
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| 293 | char buf[1024]; |
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| 294 | |
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| 295 | /* Are we still alive? */ |
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| 296 | if( !g_slist_find( msn_switchboards, sb ) ) |
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[ba9edaa] | 297 | return FALSE; |
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[b7d3cc34] | 298 | |
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[0da65d5] | 299 | ic = sb->ic; |
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| 300 | md = ic->proto_data; |
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[b7d3cc34] | 301 | |
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| 302 | if( source != sb->fd ) |
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| 303 | { |
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[46dca11] | 304 | debug( "Error %d while connecting to switchboard server", 1 ); |
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[b7d3cc34] | 305 | msn_sb_destroy( sb ); |
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[ba9edaa] | 306 | return FALSE; |
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[b7d3cc34] | 307 | } |
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| 308 | |
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| 309 | /* Prepare the callback */ |
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| 310 | sb->handler = g_new0( struct msn_handler_data, 1 ); |
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| 311 | sb->handler->fd = sb->fd; |
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| 312 | sb->handler->rxq = g_new0( char, 1 ); |
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| 313 | sb->handler->data = sb; |
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| 314 | sb->handler->exec_command = msn_sb_command; |
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| 315 | sb->handler->exec_message = msn_sb_message; |
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| 316 | |
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| 317 | if( sb->session == MSN_SB_NEW ) |
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[c2fb3809] | 318 | g_snprintf( buf, sizeof( buf ), "USR %d %s %s\r\n", ++sb->trId, ic->acc->user, sb->key ); |
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[b7d3cc34] | 319 | else |
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[c2fb3809] | 320 | g_snprintf( buf, sizeof( buf ), "ANS %d %s %s %d\r\n", ++sb->trId, ic->acc->user, sb->key, sb->session ); |
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[b7d3cc34] | 321 | |
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| 322 | if( msn_sb_write( sb, buf, strlen( buf ) ) ) |
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[e046390] | 323 | sb->inp = b_input_add( sb->fd, B_EV_IO_READ, msn_sb_callback, sb ); |
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[b7d3cc34] | 324 | else |
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[46dca11] | 325 | debug( "Error %d while connecting to switchboard server", 2 ); |
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[ba9edaa] | 326 | |
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| 327 | return FALSE; |
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[b7d3cc34] | 328 | } |
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| 329 | |
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[ba9edaa] | 330 | static gboolean msn_sb_callback( gpointer data, gint source, b_input_condition cond ) |
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[b7d3cc34] | 331 | { |
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| 332 | struct msn_switchboard *sb = data; |
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[59f527b6] | 333 | struct im_connection *ic = sb->ic; |
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| 334 | struct msn_data *md = ic->proto_data; |
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[b7d3cc34] | 335 | |
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| 336 | if( msn_handler( sb->handler ) == -1 ) |
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| 337 | { |
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[59f527b6] | 338 | time_t now = time( NULL ); |
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| 339 | |
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| 340 | if( now - md->first_sb_failure > 600 ) |
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| 341 | { |
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| 342 | /* It's not really the first one, but the start of this "series". |
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| 343 | With this, the warning below will be shown only if this happens |
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| 344 | at least three times in ten minutes. This algorithm isn't |
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| 345 | perfect, but for this purpose it will do. */ |
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| 346 | md->first_sb_failure = now; |
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| 347 | md->sb_failures = 0; |
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| 348 | } |
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| 349 | |
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[46dca11] | 350 | debug( "Error: Switchboard died" ); |
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[59f527b6] | 351 | if( ++ md->sb_failures >= 3 ) |
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| 352 | imcb_log( ic, "Warning: Many switchboard failures on MSN connection. " |
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| 353 | "There might be problems delivering your messages." ); |
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| 354 | |
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| 355 | if( sb->msgq != NULL ) |
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| 356 | { |
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| 357 | char buf[1024]; |
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| 358 | |
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| 359 | if( md->msgq == NULL ) |
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| 360 | { |
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| 361 | md->msgq = sb->msgq; |
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| 362 | } |
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| 363 | else |
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| 364 | { |
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| 365 | GSList *l; |
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| 366 | |
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| 367 | for( l = md->msgq; l->next; l = l->next ); |
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| 368 | l->next = sb->msgq; |
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| 369 | } |
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| 370 | sb->msgq = NULL; |
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| 371 | |
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| 372 | debug( "Moved queued messages back to the main queue, creating a new switchboard to retry." ); |
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| 373 | g_snprintf( buf, sizeof( buf ), "XFR %d SB\r\n", ++md->trId ); |
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| 374 | if( !msn_write( ic, buf, strlen( buf ) ) ) |
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| 375 | return FALSE; |
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| 376 | } |
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| 377 | |
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[b7d3cc34] | 378 | msn_sb_destroy( sb ); |
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[ba9edaa] | 379 | |
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| 380 | return FALSE; |
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[b7d3cc34] | 381 | } |
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[ba9edaa] | 382 | else |
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[59f527b6] | 383 | { |
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[ba9edaa] | 384 | return TRUE; |
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[59f527b6] | 385 | } |
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[b7d3cc34] | 386 | } |
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| 387 | |
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| 388 | static int msn_sb_command( gpointer data, char **cmd, int num_parts ) |
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| 389 | { |
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| 390 | struct msn_switchboard *sb = data; |
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[0da65d5] | 391 | struct im_connection *ic = sb->ic; |
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[b7d3cc34] | 392 | char buf[1024]; |
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| 393 | |
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| 394 | if( !num_parts ) |
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| 395 | { |
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| 396 | /* Hrrm... Empty command...? Ignore? */ |
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| 397 | return( 1 ); |
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| 398 | } |
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| 399 | |
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| 400 | if( strcmp( cmd[0], "XFR" ) == 0 ) |
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| 401 | { |
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[84b045d] | 402 | imcb_error( ic, "Received an XFR from a switchboard server, unable to comply! This is likely to be a bug, please report it!" ); |
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[c2fb3809] | 403 | imc_logout( ic, TRUE ); |
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[b7d3cc34] | 404 | return( 0 ); |
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| 405 | } |
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| 406 | else if( strcmp( cmd[0], "USR" ) == 0 ) |
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| 407 | { |
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| 408 | if( num_parts != 5 ) |
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| 409 | { |
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| 410 | msn_sb_destroy( sb ); |
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| 411 | return( 0 ); |
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| 412 | } |
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| 413 | |
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| 414 | if( strcmp( cmd[2], "OK" ) != 0 ) |
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| 415 | { |
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| 416 | msn_sb_destroy( sb ); |
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| 417 | return( 0 ); |
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| 418 | } |
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| 419 | |
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| 420 | if( sb->who ) |
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| 421 | { |
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| 422 | g_snprintf( buf, sizeof( buf ), "CAL %d %s\r\n", ++sb->trId, sb->who ); |
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| 423 | return( msn_sb_write( sb, buf, strlen( buf ) ) ); |
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| 424 | } |
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| 425 | else |
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| 426 | { |
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| 427 | debug( "Just created a switchboard, but I don't know what to do with it." ); |
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| 428 | } |
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| 429 | } |
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| 430 | else if( strcmp( cmd[0], "IRO" ) == 0 ) |
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| 431 | { |
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| 432 | int num, tot; |
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| 433 | |
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| 434 | if( num_parts != 6 ) |
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| 435 | { |
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| 436 | msn_sb_destroy( sb ); |
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| 437 | return( 0 ); |
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| 438 | } |
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| 439 | |
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| 440 | num = atoi( cmd[2] ); |
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| 441 | tot = atoi( cmd[3] ); |
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| 442 | |
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| 443 | if( tot <= 0 ) |
---|
| 444 | { |
---|
| 445 | msn_sb_destroy( sb ); |
---|
| 446 | return( 0 ); |
---|
| 447 | } |
---|
| 448 | else if( tot > 1 ) |
---|
| 449 | { |
---|
| 450 | char buf[1024]; |
---|
| 451 | |
---|
| 452 | if( num == 1 ) |
---|
| 453 | { |
---|
| 454 | g_snprintf( buf, sizeof( buf ), "MSN groupchat session %d", sb->session ); |
---|
[61ae52c] | 455 | sb->chat = imcb_chat_new( ic, buf ); |
---|
[b7d3cc34] | 456 | |
---|
| 457 | g_free( sb->who ); |
---|
| 458 | sb->who = NULL; |
---|
| 459 | } |
---|
| 460 | |
---|
[61ae52c] | 461 | imcb_chat_add_buddy( sb->chat, cmd[4] ); |
---|
[b7d3cc34] | 462 | |
---|
| 463 | if( num == tot ) |
---|
| 464 | { |
---|
[61ae52c] | 465 | imcb_chat_add_buddy( sb->chat, ic->acc->user ); |
---|
[b7d3cc34] | 466 | } |
---|
| 467 | } |
---|
| 468 | } |
---|
| 469 | else if( strcmp( cmd[0], "ANS" ) == 0 ) |
---|
| 470 | { |
---|
| 471 | if( num_parts != 3 ) |
---|
| 472 | { |
---|
| 473 | msn_sb_destroy( sb ); |
---|
| 474 | return( 0 ); |
---|
| 475 | } |
---|
| 476 | |
---|
| 477 | if( strcmp( cmd[2], "OK" ) != 0 ) |
---|
| 478 | { |
---|
| 479 | debug( "Switchboard server sent a negative ANS reply" ); |
---|
| 480 | msn_sb_destroy( sb ); |
---|
| 481 | return( 0 ); |
---|
| 482 | } |
---|
| 483 | |
---|
| 484 | sb->ready = 1; |
---|
[bb839e8] | 485 | |
---|
| 486 | msn_sb_start_keepalives( sb, FALSE ); |
---|
[b7d3cc34] | 487 | } |
---|
| 488 | else if( strcmp( cmd[0], "CAL" ) == 0 ) |
---|
| 489 | { |
---|
| 490 | if( num_parts != 4 || !isdigit( cmd[3][0] ) ) |
---|
| 491 | { |
---|
| 492 | msn_sb_destroy( sb ); |
---|
| 493 | return( 0 ); |
---|
| 494 | } |
---|
| 495 | |
---|
| 496 | sb->session = atoi( cmd[3] ); |
---|
| 497 | } |
---|
| 498 | else if( strcmp( cmd[0], "JOI" ) == 0 ) |
---|
| 499 | { |
---|
| 500 | if( num_parts != 3 ) |
---|
| 501 | { |
---|
| 502 | msn_sb_destroy( sb ); |
---|
| 503 | return( 0 ); |
---|
| 504 | } |
---|
| 505 | |
---|
| 506 | if( sb->who && g_strcasecmp( cmd[1], sb->who ) == 0 ) |
---|
| 507 | { |
---|
| 508 | /* The user we wanted to talk to is finally there, let's send the queued messages then. */ |
---|
| 509 | struct msn_message *m; |
---|
| 510 | GSList *l; |
---|
| 511 | int st = 1; |
---|
| 512 | |
---|
| 513 | debug( "%s arrived in the switchboard session, now sending queued message(s)", cmd[1] ); |
---|
| 514 | |
---|
| 515 | /* Without this, sendmessage() will put everything back on the queue... */ |
---|
| 516 | sb->ready = 1; |
---|
| 517 | |
---|
| 518 | while( ( l = sb->msgq ) ) |
---|
| 519 | { |
---|
| 520 | m = l->data; |
---|
| 521 | if( st ) |
---|
| 522 | { |
---|
| 523 | /* This hack is meant to convert a regular new chat into a groupchat */ |
---|
| 524 | if( strcmp( m->text, GROUPCHAT_SWITCHBOARD_MESSAGE ) == 0 ) |
---|
| 525 | msn_sb_to_chat( sb ); |
---|
| 526 | else |
---|
| 527 | st = msn_sb_sendmessage( sb, m->text ); |
---|
| 528 | } |
---|
| 529 | g_free( m->text ); |
---|
| 530 | g_free( m->who ); |
---|
| 531 | g_free( m ); |
---|
| 532 | |
---|
| 533 | sb->msgq = g_slist_remove( sb->msgq, m ); |
---|
| 534 | } |
---|
| 535 | |
---|
[bb839e8] | 536 | msn_sb_start_keepalives( sb, FALSE ); |
---|
| 537 | |
---|
[b7d3cc34] | 538 | return( st ); |
---|
| 539 | } |
---|
| 540 | else if( sb->who ) |
---|
| 541 | { |
---|
| 542 | debug( "Converting chat with %s to a groupchat because %s joined the session.", sb->who, cmd[1] ); |
---|
| 543 | |
---|
| 544 | /* This SB is a one-to-one chat right now, but someone else is joining. */ |
---|
| 545 | msn_sb_to_chat( sb ); |
---|
| 546 | |
---|
[61ae52c] | 547 | imcb_chat_add_buddy( sb->chat, cmd[1] ); |
---|
[b7d3cc34] | 548 | } |
---|
| 549 | else if( sb->chat ) |
---|
| 550 | { |
---|
[61ae52c] | 551 | imcb_chat_add_buddy( sb->chat, cmd[1] ); |
---|
[b7d3cc34] | 552 | sb->ready = 1; |
---|
| 553 | } |
---|
| 554 | else |
---|
| 555 | { |
---|
| 556 | /* PANIC! */ |
---|
| 557 | } |
---|
| 558 | } |
---|
| 559 | else if( strcmp( cmd[0], "MSG" ) == 0 ) |
---|
| 560 | { |
---|
| 561 | if( num_parts != 4 ) |
---|
| 562 | { |
---|
| 563 | msn_sb_destroy( sb ); |
---|
| 564 | return( 0 ); |
---|
| 565 | } |
---|
| 566 | |
---|
| 567 | sb->handler->msglen = atoi( cmd[3] ); |
---|
| 568 | |
---|
| 569 | if( sb->handler->msglen <= 0 ) |
---|
| 570 | { |
---|
| 571 | debug( "Received a corrupted message on the switchboard, the switchboard will be closed" ); |
---|
| 572 | msn_sb_destroy( sb ); |
---|
| 573 | return( 0 ); |
---|
| 574 | } |
---|
| 575 | } |
---|
[3585c5a] | 576 | else if( strcmp( cmd[0], "NAK" ) == 0 ) |
---|
| 577 | { |
---|
| 578 | if( sb->who ) |
---|
| 579 | { |
---|
| 580 | imcb_log( ic, "The MSN servers could not deliver one of your messages to %s.", sb->who ); |
---|
| 581 | } |
---|
| 582 | else |
---|
| 583 | { |
---|
| 584 | imcb_log( ic, "The MSN servers could not deliver one of your groupchat messages to all participants." ); |
---|
| 585 | } |
---|
| 586 | } |
---|
[b7d3cc34] | 587 | else if( strcmp( cmd[0], "BYE" ) == 0 ) |
---|
| 588 | { |
---|
| 589 | if( num_parts < 2 ) |
---|
| 590 | { |
---|
| 591 | msn_sb_destroy( sb ); |
---|
| 592 | return( 0 ); |
---|
| 593 | } |
---|
| 594 | |
---|
| 595 | /* if( cmd[2] && *cmd[2] == '1' ) -=> Chat is being cleaned up because of idleness */ |
---|
| 596 | |
---|
| 597 | if( sb->who ) |
---|
| 598 | { |
---|
[bb839e8] | 599 | msn_sb_stop_keepalives( sb ); |
---|
| 600 | |
---|
[b7d3cc34] | 601 | /* This is a single-person chat, and the other person is leaving. */ |
---|
| 602 | g_free( sb->who ); |
---|
| 603 | sb->who = NULL; |
---|
| 604 | sb->ready = 0; |
---|
| 605 | |
---|
| 606 | debug( "Person %s left the one-to-one switchboard connection. Keeping it around as a spare...", cmd[1] ); |
---|
| 607 | |
---|
| 608 | /* We could clean up the switchboard now, but keeping it around |
---|
| 609 | as a spare for a next conversation sounds more sane to me. |
---|
| 610 | The server will clean it up when it's idle for too long. */ |
---|
| 611 | } |
---|
| 612 | else if( sb->chat ) |
---|
| 613 | { |
---|
[61ae52c] | 614 | imcb_chat_remove_buddy( sb->chat, cmd[1], "" ); |
---|
[b7d3cc34] | 615 | } |
---|
| 616 | else |
---|
| 617 | { |
---|
| 618 | /* PANIC! */ |
---|
| 619 | } |
---|
| 620 | } |
---|
| 621 | else if( isdigit( cmd[0][0] ) ) |
---|
| 622 | { |
---|
| 623 | int num = atoi( cmd[0] ); |
---|
[08995b0] | 624 | const struct msn_status_code *err = msn_status_by_number( num ); |
---|
[b7d3cc34] | 625 | |
---|
[84b045d] | 626 | imcb_error( ic, "Error reported by switchboard server: %s", err->text ); |
---|
[b7d3cc34] | 627 | |
---|
| 628 | if( err->flags & STATUS_SB_FATAL ) |
---|
| 629 | { |
---|
| 630 | msn_sb_destroy( sb ); |
---|
[6048744] | 631 | return 0; |
---|
[b7d3cc34] | 632 | } |
---|
[6048744] | 633 | else if( err->flags & STATUS_FATAL ) |
---|
[b7d3cc34] | 634 | { |
---|
[c2fb3809] | 635 | imc_logout( ic, TRUE ); |
---|
[6048744] | 636 | return 0; |
---|
[b7d3cc34] | 637 | } |
---|
[6048744] | 638 | else if( err->flags & STATUS_SB_IM_SPARE ) |
---|
[3b9390b] | 639 | { |
---|
| 640 | if( sb->who ) |
---|
| 641 | { |
---|
| 642 | /* Apparently some invitation failed. We might want to use this |
---|
| 643 | board later, so keep it as a spare. */ |
---|
| 644 | g_free( sb->who ); |
---|
| 645 | sb->who = NULL; |
---|
| 646 | |
---|
| 647 | /* Also clear the msgq, otherwise someone else might get them. */ |
---|
[46dca11] | 648 | msn_msgq_purge( ic, &sb->msgq ); |
---|
[3b9390b] | 649 | } |
---|
[6048744] | 650 | |
---|
| 651 | /* Do NOT return 0 here, we want to keep this sb. */ |
---|
[3b9390b] | 652 | } |
---|
[b7d3cc34] | 653 | } |
---|
| 654 | else |
---|
| 655 | { |
---|
[8ff0a61] | 656 | /* debug( "Received unknown command from switchboard server: %s", cmd[0] ); */ |
---|
[b7d3cc34] | 657 | } |
---|
| 658 | |
---|
| 659 | return( 1 ); |
---|
| 660 | } |
---|
| 661 | |
---|
| 662 | static int msn_sb_message( gpointer data, char *msg, int msglen, char **cmd, int num_parts ) |
---|
| 663 | { |
---|
| 664 | struct msn_switchboard *sb = data; |
---|
[0da65d5] | 665 | struct im_connection *ic = sb->ic; |
---|
[b7d3cc34] | 666 | char *body; |
---|
| 667 | int blen = 0; |
---|
| 668 | |
---|
| 669 | if( !num_parts ) |
---|
| 670 | return( 1 ); |
---|
| 671 | |
---|
| 672 | if( ( body = strstr( msg, "\r\n\r\n" ) ) ) |
---|
| 673 | { |
---|
| 674 | body += 4; |
---|
| 675 | blen = msglen - ( body - msg ); |
---|
| 676 | } |
---|
| 677 | |
---|
| 678 | if( strcmp( cmd[0], "MSG" ) == 0 ) |
---|
| 679 | { |
---|
| 680 | char *ct = msn_findheader( msg, "Content-Type:", msglen ); |
---|
| 681 | |
---|
| 682 | if( !ct ) |
---|
| 683 | return( 1 ); |
---|
| 684 | |
---|
| 685 | if( g_strncasecmp( ct, "text/plain", 10 ) == 0 ) |
---|
| 686 | { |
---|
| 687 | g_free( ct ); |
---|
| 688 | |
---|
| 689 | if( !body ) |
---|
| 690 | return( 1 ); |
---|
| 691 | |
---|
| 692 | if( sb->who ) |
---|
| 693 | { |
---|
[9624fdf] | 694 | imcb_buddy_msg( ic, cmd[1], body, 0, 0 ); |
---|
[b7d3cc34] | 695 | } |
---|
| 696 | else if( sb->chat ) |
---|
| 697 | { |
---|
[61ae52c] | 698 | imcb_chat_msg( sb->chat, cmd[1], body, 0, 0 ); |
---|
[b7d3cc34] | 699 | } |
---|
| 700 | else |
---|
| 701 | { |
---|
| 702 | /* PANIC! */ |
---|
| 703 | } |
---|
| 704 | } |
---|
| 705 | else if( g_strncasecmp( ct, "text/x-msmsgsinvite", 19 ) == 0 ) |
---|
| 706 | { |
---|
[a2b99ec] | 707 | char *command = msn_findheader( body, "Invitation-Command:", blen ); |
---|
| 708 | char *cookie = msn_findheader( body, "Invitation-Cookie:", blen ); |
---|
| 709 | unsigned int icookie; |
---|
[b7d3cc34] | 710 | |
---|
| 711 | g_free( ct ); |
---|
| 712 | |
---|
[a2b99ec] | 713 | /* Every invite should have both a Command and Cookie header */ |
---|
| 714 | if( !command || !cookie ) { |
---|
| 715 | g_free( command ); |
---|
| 716 | g_free( cookie ); |
---|
| 717 | imcb_log( ic, "Warning: No command or cookie from %s", sb->who ); |
---|
| 718 | return 1; |
---|
[b7d3cc34] | 719 | } |
---|
| 720 | |
---|
[a2b99ec] | 721 | icookie = strtoul( cookie, NULL, 10 ); |
---|
| 722 | g_free( cookie ); |
---|
[b7d3cc34] | 723 | |
---|
[a2b99ec] | 724 | if( g_strncasecmp( command, "INVITE", 6 ) == 0 ) { |
---|
| 725 | msn_invitation_invite( sb, cmd[1], icookie, body, blen ); |
---|
| 726 | } else if( g_strncasecmp( command, "ACCEPT", 6 ) == 0 ) { |
---|
| 727 | msn_invitation_accept( sb, cmd[1], icookie, body, blen ); |
---|
| 728 | } else if( g_strncasecmp( command, "CANCEL", 6 ) == 0 ) { |
---|
| 729 | msn_invitation_cancel( sb, cmd[1], icookie, body, blen ); |
---|
| 730 | } else { |
---|
| 731 | imcb_log( ic, "Warning: Received invalid invitation with " |
---|
| 732 | "command %s from %s", command, sb->who ); |
---|
[b7d3cc34] | 733 | } |
---|
[a2b99ec] | 734 | |
---|
| 735 | g_free( command ); |
---|
| 736 | } |
---|
| 737 | else if( g_strncasecmp( ct, "application/x-msnmsgrp2p", 24 ) == 0 ) |
---|
| 738 | { |
---|
| 739 | imcb_error( sb->ic, "Cannot receive file from %s: BitlBee does not " |
---|
| 740 | "support msnmsgrp2p yet.", sb->who ); |
---|
| 741 | g_free( ct ); |
---|
[b7d3cc34] | 742 | } |
---|
| 743 | else if( g_strncasecmp( ct, "text/x-msmsgscontrol", 20 ) == 0 ) |
---|
| 744 | { |
---|
| 745 | char *who = msn_findheader( msg, "TypingUser:", msglen ); |
---|
| 746 | |
---|
| 747 | if( who ) |
---|
| 748 | { |
---|
[9624fdf] | 749 | imcb_buddy_typing( ic, who, OPT_TYPING ); |
---|
[b7d3cc34] | 750 | g_free( who ); |
---|
| 751 | } |
---|
| 752 | |
---|
| 753 | g_free( ct ); |
---|
| 754 | } |
---|
| 755 | else |
---|
| 756 | { |
---|
| 757 | g_free( ct ); |
---|
| 758 | } |
---|
| 759 | } |
---|
| 760 | |
---|
| 761 | return( 1 ); |
---|
| 762 | } |
---|
[9bf2481] | 763 | |
---|
[bb839e8] | 764 | static gboolean msn_sb_keepalive( gpointer data, gint source, b_input_condition cond ) |
---|
[9bf2481] | 765 | { |
---|
| 766 | struct msn_switchboard *sb = data; |
---|
| 767 | return sb->ready && msn_sb_sendmessage( sb, SB_KEEPALIVE_MESSAGE ); |
---|
| 768 | } |
---|
[bb839e8] | 769 | |
---|
| 770 | void msn_sb_start_keepalives( struct msn_switchboard *sb, gboolean initial ) |
---|
| 771 | { |
---|
| 772 | struct buddy *b; |
---|
| 773 | |
---|
| 774 | if( sb && sb->who && sb->keepalive == 0 && |
---|
| 775 | ( b = imcb_find_buddy( sb->ic, sb->who ) ) && !b->present && |
---|
| 776 | set_getbool( &sb->ic->acc->set, "switchboard_keepalives" ) ) |
---|
| 777 | { |
---|
| 778 | if( initial ) |
---|
| 779 | msn_sb_keepalive( sb, 0, 0 ); |
---|
| 780 | |
---|
| 781 | sb->keepalive = b_timeout_add( 20000, msn_sb_keepalive, sb ); |
---|
| 782 | } |
---|
| 783 | } |
---|
| 784 | |
---|
| 785 | void msn_sb_stop_keepalives( struct msn_switchboard *sb ) |
---|
| 786 | { |
---|
| 787 | if( sb && sb->keepalive > 0 ) |
---|
| 788 | { |
---|
| 789 | b_event_remove( sb->keepalive ); |
---|
| 790 | sb->keepalive = 0; |
---|
| 791 | } |
---|
| 792 | } |
---|