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  /********************************************************************\
  * BitlBee -- An IRC to other IM-networks gateway                     *
  *                                                                    *
  * Copyright 2002-2004 Wilmer van der Gaast and others                *
  \********************************************************************/

/* MSN module - Some tables with useful data                            */

/*
  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 "nogaim.h"
#include "msn.h"

const struct msn_away_state msn_away_state_list[] =
{
	{  0, "NLN", "Available" },
	{  1, "BSY", "Busy" },
	{  3, "IDL", "Idle" },
	{  5, "BRB", "Be Right Back" },
	{  7, "AWY", "Away" },
	{  9, "PHN", "On the Phone" },
	{ 11, "LUN", "Out to Lunch" },
	{ 13, "HDN", "Hidden" },
	{ -1, "",    "" }
};

const struct msn_away_state *msn_away_state_by_number( int number )
{
	int i;
	
	for( i = 0; msn_away_state_list[i].number > -1; i ++ )
		if( msn_away_state_list[i].number == number )
			return( msn_away_state_list + i );
	
	return( NULL );
}

const struct msn_away_state *msn_away_state_by_code( char *code )
{
	int i;
	
	for( i = 0; msn_away_state_list[i].number > -1; i ++ )
		if( g_strcasecmp( msn_away_state_list[i].code, code ) == 0 )
			return( msn_away_state_list + i );
	
	return( NULL );
}

const struct msn_away_state *msn_away_state_by_name( char *name )
{
	int i;
	
	for( i = 0; msn_away_state_list[i].number > -1; i ++ )
		if( g_strcasecmp( msn_away_state_list[i].name, name ) == 0 )
			return( msn_away_state_list + i );
	
	return( NULL );
}

const struct msn_status_code msn_status_code_list[] =
{
	{ 200, "Invalid syntax",                                        0 },
	{ 201, "Invalid parameter",                                     0 },
	{ 205, "Invalid (non-existent) handle",                         0 },
	{ 206, "Domain name missing",                                   0 },
	{ 207, "Already logged in",                                     0 },
	{ 208, "Invalid handle",                                        STATUS_SB_IM_SPARE },
	{ 209, "Forbidden nickname",                                    0 },
	{ 210, "Buddy list too long",                                   0 },
	{ 215, "Handle is already in list",                             0 },
	{ 216, "Handle is not in list",                                 STATUS_SB_IM_SPARE },
	{ 217, "Person is off-line or non-existent",                    STATUS_SB_IM_SPARE },
	{ 218, "Already in that mode",                                  0 },
	{ 219, "Handle is already in opposite list",                    0 },
	{ 223, "Too many groups",                                       0 },
	{ 224, "Invalid group or already in list",                      0 },
	{ 225, "Handle is not in that group",                           0 },
	{ 229, "Group name too long",                                   0 },
	{ 230, "Cannot remove that group",                              0 },
	{ 231, "Invalid group",                                         0 },
	{ 280, "Switchboard failed",                                    STATUS_SB_FATAL },
	{ 281, "Transfer to switchboard failed",                        0 },
	
	{ 300, "Required field missing",                                0 },
	{ 302, "Not logged in",                                         0 },
	
	{ 500, "Internal server error/Account banned",                  STATUS_FATAL },
	{ 501, "Database server error",                                 STATUS_FATAL },
	{ 502, "Command disabled",                                      0 },
	{ 510, "File operation failed",                                 STATUS_FATAL },
	{ 520, "Memory allocation failed",                              STATUS_FATAL },
	{ 540, "Challenge response invalid",                            STATUS_FATAL },
	
	{ 600, "Server is busy",                                        STATUS_FATAL },
	{ 601, "Server is unavailable",                                 STATUS_FATAL },
	{ 602, "Peer nameserver is down",                               STATUS_FATAL },
	{ 603, "Database connection failed",                            STATUS_FATAL },
	{ 604, "Server is going down",                                  STATUS_FATAL },
	{ 605, "Server is unavailable",                                 STATUS_FATAL },
	
	{ 700, "Could not create connection",                           STATUS_FATAL },
	{ 710, "Invalid CVR parameters",                                STATUS_FATAL },
	{ 711, "Write is blocking",                                     STATUS_FATAL },
	{ 712, "Session is overloaded",                                 STATUS_FATAL },
	{ 713, "Calling too rapidly",                                   STATUS_SB_IM_SPARE },
	{ 714, "Too many sessions",                                     STATUS_FATAL },
	{ 715, "Not expected/Invalid argument/action",                  0 },
	{ 717, "Bad friend file",                                       STATUS_FATAL },
	{ 731, "Not expected/Invalid argument",                         0 },
	
	{ 800, "Changing too rapidly",                                  0 },
	
	{ 910, "Server is busy",                                        STATUS_FATAL },
	{ 911, "Authentication failed",                                 STATUS_SB_FATAL | STATUS_FATAL },
	{ 912, "Server is busy",                                        STATUS_FATAL },
	{ 913, "Not allowed when hiding",                               0 },
	{ 914, "Server is unavailable",                                 STATUS_FATAL },
	{ 915, "Server is unavailable",                                 STATUS_FATAL },
	{ 916, "Server is unavailable",                                 STATUS_FATAL },
	{ 917, "Authentication failed",                                 STATUS_FATAL },
	{ 918, "Server is busy",                                        STATUS_FATAL },
	{ 919, "Server is busy",                                        STATUS_FATAL },
	{ 920, "Not accepting new principals",                          0 }, /* When a sb is full? */
	{ 922, "Server is busy",                                        STATUS_FATAL },
	{ 923, "Kids Passport without parental consent",                STATUS_FATAL },
	{ 924, "Passport account not yet verified",                     STATUS_FATAL },
	{ 928, "Bad ticket",                                            STATUS_FATAL },
	{  -1, NULL,                                                    0 }
};

const struct msn_status_code *msn_status_by_number( int number )
{
	static struct msn_status_code *unknown = NULL;
	int i;
	
	for( i = 0; msn_status_code_list[i].number >= 0; i ++ )
		if( msn_status_code_list[i].number == number )
			return( msn_status_code_list + i );
	
	if( unknown == NULL )
	{
		unknown = g_new0( struct msn_status_code, 1 );
		unknown->text = g_new0( char, 128 );
	}
	
	unknown->number = number;
	unknown->flags = 0;
	g_snprintf( unknown->text, 128, "Unknown error (%d)", number );
	
	return( unknown );
}
/span>if( jd->ssl ) st = ssl_read( jd->ssl, buf, sizeof( buf ) ); else st = read( jd->fd, buf, sizeof( buf ) ); if( st > 0 ) { /* Parse. */ if( xt_feed( jd->xt, buf, st ) < 0 ) { imcb_error( ic, "XML stream error" ); imc_logout( ic, TRUE ); return FALSE; } /* Execute all handlers. */ if( !xt_handle( jd->xt, NULL, 1 ) ) { /* Don't do anything, the handlers should have aborted the connection already. */ return FALSE; } if( jd->flags & JFLAG_STREAM_RESTART ) { jd->flags &= ~JFLAG_STREAM_RESTART; jabber_start_stream( ic ); } /* Garbage collection. */ xt_cleanup( jd->xt, NULL, 1 ); /* This is a bit hackish, unfortunately. Although xmltree has nifty event handler stuff, it only calls handlers when nodes are complete. Since the server should only send an opening <stream:stream> tag, we have to check this by hand. :-( */ if( !( jd->flags & JFLAG_STREAM_STARTED ) && jd->xt && jd->xt->root ) { if( g_strcasecmp( jd->xt->root->name, "stream:stream" ) == 0 ) { jd->flags |= JFLAG_STREAM_STARTED; /* If there's no version attribute, assume this is an old server that can't do SASL authentication. */ if( !sasl_supported( ic ) ) { /* If there's no version= tag, we suppose this server does NOT implement: XMPP 1.0, SASL and TLS. */ if( set_getbool( &ic->acc->set, "tls" ) ) { imcb_error( ic, "TLS is turned on for this " "account, but is not supported by this server" ); imc_logout( ic, FALSE ); return FALSE; } else { return jabber_init_iq_auth( ic ); } } } else { imcb_error( ic, "XML stream error" ); imc_logout( ic, TRUE ); return FALSE; } } } else if( st == 0 || ( st < 0 && !ssl_sockerr_again( jd->ssl ) ) ) { closesocket( jd->fd ); jd->fd = -1; imcb_error( ic, "Error while reading from server" ); imc_logout( ic, TRUE ); return FALSE; } if( ssl_pending( jd->ssl ) ) /* OpenSSL empties the TCP buffers completely but may keep some data in its internap buffers. select() won't see that, but ssl_pending() does. */ return jabber_read_callback( data, fd, cond ); else return TRUE; } gboolean jabber_connected_plain( gpointer data, gint source, b_input_condition cond ) { struct im_connection *ic = data; if( g_slist_find( jabber_connections, ic ) == NULL ) return FALSE; if( source == -1 ) { imcb_error( ic, "Could not connect to server" ); imc_logout( ic, TRUE ); return FALSE; } imcb_log( ic, "Connected to server, logging in" ); return jabber_start_stream( ic ); } gboolean jabber_connected_ssl( gpointer data, void *source, b_input_condition cond ) { struct im_connection *ic = data; struct jabber_data *jd; if( g_slist_find( jabber_connections, ic ) == NULL ) return FALSE; jd = ic->proto_data; if( source == NULL ) { /* The SSL connection will be cleaned up by the SSL lib already, set it to NULL here to prevent a double cleanup: */ jd->ssl = NULL; imcb_error( ic, "Could not connect to server" ); imc_logout( ic, TRUE ); return FALSE; } imcb_log( ic, "Connected to server, logging in" ); return jabber_start_stream( ic ); } static xt_status jabber_end_of_stream( struct xt_node *node, gpointer data ) { imc_logout( data, TRUE ); return XT_ABORT; } static xt_status jabber_pkt_features( struct xt_node *node, gpointer data ) { struct im_connection *ic = data; struct jabber_data *jd = ic->proto_data; struct xt_node *c, *reply; int trytls; trytls = g_strcasecmp( set_getstr( &ic->acc->set, "tls" ), "try" ) == 0; c = xt_find_node( node->children, "starttls" ); if( c && !jd->ssl ) { /* If the server advertises the STARTTLS feature and if we're not in a secure connection already: */ c = xt_find_node( c->children, "required" ); if( c && ( !trytls && !set_getbool( &ic->acc->set, "tls" ) ) ) { imcb_error( ic, "Server requires TLS connections, but TLS is turned off for this account" ); imc_logout( ic, FALSE ); return XT_ABORT; } /* Only run this if the tls setting is set to true or try: */ if( ( trytls || set_getbool( &ic->acc->set, "tls" ) ) ) { reply = xt_new_node( "starttls", NULL, NULL ); xt_add_attr( reply, "xmlns", XMLNS_TLS ); if( !jabber_write_packet( ic, reply ) ) { xt_free_node( reply ); return XT_ABORT; } xt_free_node( reply ); return XT_HANDLED; } } else if( !c && !jd->ssl ) { /* If the server does not advertise the STARTTLS feature and we're not in a secure connection already: (Servers have a habit of not advertising <starttls/> anymore when already using SSL/TLS. */ if( !trytls && set_getbool( &ic->acc->set, "tls" ) ) { imcb_error( ic, "TLS is turned on for this account, but is not supported by this server" ); imc_logout( ic, FALSE ); return XT_ABORT; } } /* This one used to be in jabber_handlers[], but it has to be done from here to make sure the TLS session will be initialized properly before we attempt SASL authentication. */ if( ( c = xt_find_node( node->children, "mechanisms" ) ) ) { if( sasl_pkt_mechanisms( c, data ) == XT_ABORT ) return XT_ABORT; } /* If the server *SEEMS* to support SASL authentication but doesn't support it after all, we should try to do authentication the other way. jabber.com doesn't seem to do SASL while it pretends to be XMPP 1.0 compliant! */ else if( !( jd->flags & JFLAG_AUTHENTICATED ) && sasl_supported( ic ) ) { if( !jabber_init_iq_auth( ic ) ) return XT_ABORT; } if( ( c = xt_find_node( node->children, "bind" ) ) ) jd->flags |= JFLAG_WANT_BIND; if( ( c = xt_find_node( node->children, "session" ) ) ) jd->flags |= JFLAG_WANT_SESSION; if( jd->flags & JFLAG_AUTHENTICATED ) return jabber_pkt_bind_sess( ic, NULL, NULL ); return XT_HANDLED; } static xt_status jabber_pkt_proceed_tls( struct xt_node *node, gpointer data ) { struct im_connection *ic = data; struct jabber_data *jd = ic->proto_data; char *xmlns; xmlns = xt_find_attr( node, "xmlns" ); /* Just ignore it when it doesn't seem to be TLS-related (is that at all possible??). */ if( !xmlns || strcmp( xmlns, XMLNS_TLS ) != 0 ) return XT_HANDLED; /* We don't want event handlers to touch our TLS session while it's still initializing! */ b_event_remove( jd->r_inpa ); if( jd->tx_len > 0 ) { /* Actually the write queue should be empty here, but just to be sure... */ b_event_remove( jd->w_inpa ); g_free( jd->txq ); jd->txq = NULL; jd->tx_len = 0; } jd->w_inpa = jd->r_inpa = 0; imcb_log( ic, "Converting stream to TLS" ); jd->flags |= JFLAG_STARTTLS_DONE; jd->ssl = ssl_starttls( jd->fd, jabber_connected_ssl, ic ); return XT_HANDLED; } static xt_status jabber_pkt_stream_error( struct xt_node *node, gpointer data ) { struct im_connection *ic = data; int allow_reconnect = TRUE; struct jabber_error *err; err = jabber_error_parse( node, XMLNS_STREAM_ERROR ); /* Tssk... */ if( err->code == NULL ) { imcb_error( ic, "Unknown stream error reported by server" ); imc_logout( ic, allow_reconnect ); jabber_error_free( err ); return XT_ABORT; } /* We know that this is a fatal error. If it's a "conflict" error, we should turn off auto-reconnect to make sure we won't get some nasty infinite loop! */ if( strcmp( err->code, "conflict" ) == 0 ) { imcb_error( ic, "Account and resource used from a different location" ); allow_reconnect = FALSE; } else { imcb_error( ic, "Stream error: %s%s%s", err->code, err->text ? ": " : "", err->text ? err->text : "" ); } jabber_error_free( err ); imc_logout( ic, allow_reconnect ); return XT_ABORT; } static xt_status jabber_xmlconsole( struct xt_node *node, gpointer data ) { struct im_connection *ic = data; struct jabber_data *jd = ic->proto_data; if( jd->flags & JFLAG_XMLCONSOLE ) { char *msg, *pkt; pkt = xt_to_string( node ); msg = g_strdup_printf( "RX: %s", pkt ); imcb_buddy_msg( ic, JABBER_XMLCONSOLE_HANDLE, msg, 0, 0 ); g_free( msg ); g_free( pkt ); } return XT_NEXT; } static const struct xt_handler_entry jabber_handlers[] = { { NULL, "stream:stream", jabber_xmlconsole }, { "stream:stream", "<root>", jabber_end_of_stream }, { "message", "stream:stream", jabber_pkt_message }, { "presence", "stream:stream", jabber_pkt_presence }, { "iq", "stream:stream", jabber_pkt_iq }, { "stream:features", "stream:stream", jabber_pkt_features }, { "stream:error", "stream:stream", jabber_pkt_stream_error }, { "proceed", "stream:stream", jabber_pkt_proceed_tls }, { "challenge", "stream:stream", sasl_pkt_challenge }, { "success", "stream:stream", sasl_pkt_result }, { "failure", "stream:stream", sasl_pkt_result }, { NULL, NULL, NULL } }; gboolean jabber_start_stream( struct im_connection *ic ) { struct jabber_data *jd = ic->proto_data; int st; char *greet; /* We'll start our stream now, so prepare everything to receive one from the server too. */ xt_free( jd->xt ); /* In case we're RE-starting. */ jd->xt = xt_new( jabber_handlers, ic ); if( jd->r_inpa <= 0 ) jd->r_inpa = b_input_add( jd->fd, GAIM_INPUT_READ, jabber_read_callback, ic ); greet = g_strdup_printf( "%s<stream:stream to=\"%s\" xmlns=\"jabber:client\" " "xmlns:stream=\"http://etherx.jabber.org/streams\" version=\"1.0\">", ( jd->flags & JFLAG_STARTTLS_DONE ) ? "" : "<?xml version='1.0' ?>", jd->server ); st = jabber_write( ic, greet, strlen( greet ) ); g_free( greet ); return st; } void jabber_end_stream( struct im_connection *ic ) { struct jabber_data *jd = ic->proto_data; /* Let's only do this if the queue is currently empty, otherwise it'd take too long anyway. */ if( jd->tx_len == 0 ) { char eos[] = "</stream:stream>"; struct xt_node *node; int st = 1; if( ic->flags & OPT_LOGGED_IN ) { node = jabber_make_packet( "presence", "unavailable", NULL, NULL ); st = jabber_write_packet( ic, node ); xt_free_node( node ); } if( st ) jabber_write( ic, eos, strlen( eos ) ); } }