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/*
The contents of this file are subject to the Mozilla Public License
Version 1.1 (the "License"); you may not use this file except in
compliance with the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/

Software distributed under the License is distributed on an "AS IS"
basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
License for the specific language governing rights and limitations
under the License.

The Original Code is expat.

The Initial Developer of the Original Code is James Clark.
Portions created by James Clark are Copyright (C) 1998, 1999
James Clark. All Rights Reserved.

Contributor(s):

Alternatively, the contents of this file may be used under the terms
of the GNU General Public License (the "GPL"), in which case the
provisions of the GPL are applicable instead of those above.  If you
wish to allow use of your version of this file only under the terms of
the GPL and not to allow others to use your version of this file under
the MPL, indicate your decision by deleting the provisions above and
replace them with the notice and other provisions required by the
GPL. If you do not delete the provisions above, a recipient may use
your version of this file under either the MPL or the GPL.
*/


/* 0x80 */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0x84 */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0x88 */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0x8C */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0x90 */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0x94 */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0x98 */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0x9C */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0xA0 */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0xA4 */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0xA8 */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0xAC */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0xB0 */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0xB4 */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0xB8 */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0xBC */ BT_TRAIL, BT_TRAIL, BT_TRAIL, BT_TRAIL,
/* 0xC0 */ BT_LEAD2, BT_LEAD2, BT_LEAD2, BT_LEAD2,
/* 0xC4 */ BT_LEAD2, BT_LEAD2, BT_LEAD2, BT_LEAD2,
/* 0xC8 */ BT_LEAD2, BT_LEAD2, BT_LEAD2, BT_LEAD2,
/* 0xCC */ BT_LEAD2, BT_LEAD2, BT_LEAD2, BT_LEAD2,
/* 0xD0 */ BT_LEAD2, BT_LEAD2, BT_LEAD2, BT_LEAD2,
/* 0xD4 */ BT_LEAD2, BT_LEAD2, BT_LEAD2, BT_LEAD2,
/* 0xD8 */ BT_LEAD2, BT_LEAD2, BT_LEAD2, BT_LEAD2,
/* 0xDC */ BT_LEAD2, BT_LEAD2, BT_LEAD2, BT_LEAD2,
/* 0xE0 */ BT_LEAD3, BT_LEAD3, BT_LEAD3, BT_LEAD3,
/* 0xE4 */ BT_LEAD3, BT_LEAD3, BT_LEAD3, BT_LEAD3,
/* 0xE8 */ BT_LEAD3, BT_LEAD3, BT_LEAD3, BT_LEAD3,
/* 0xEC */ BT_LEAD3, BT_LEAD3, BT_LEAD3, BT_LEAD3,
/* 0xF0 */ BT_LEAD4, BT_LEAD4, BT_LEAD4, BT_LEAD4,
/* 0xF4 */ BT_LEAD4, BT_NONXML, BT_NONXML, BT_NONXML,
/* 0xF8 */ BT_NONXML, BT_NONXML, BT_NONXML, BT_NONXML,
/* 0xFC */ BT_NONXML, BT_NONXML, BT_MALFORM, BT_MALFORM,
an> ) ) is_chat = 1; *s = '/'; } if( type == NULL ) { if( !( bud = jabber_buddy_by_jid( ic, from, GET_BUDDY_EXACT | GET_BUDDY_CREAT ) ) ) { /* imcb_log( ic, "Warning: Could not handle presence information from JID: %s", from ); */ return XT_HANDLED; } g_free( bud->away_message ); if( ( c = xt_find_node( node->children, "status" ) ) && c->text_len > 0 ) bud->away_message = g_strdup( c->text ); else bud->away_message = NULL; if( ( c = xt_find_node( node->children, "show" ) ) && c->text_len > 0 ) { bud->away_state = (void*) jabber_away_state_by_code( c->text ); } else { bud->away_state = NULL; } if( ( c = xt_find_node( node->children, "priority" ) ) && c->text_len > 0 ) bud->priority = atoi( c->text ); else bud->priority = 0; if( bud && ( cap = xt_find_node( node->children, "c" ) ) && ( s = xt_find_attr( cap, "xmlns" ) ) && strcmp( s, XMLNS_CAPS ) == 0 ) { /* This <presence> stanza includes an XEP-0115 capabilities part. Not too interesting, but we can see if it has an ext= attribute. */ s = xt_find_attr( cap, "ext" ); if( s && ( strstr( s, "cstates" ) || strstr( s, "chatstate" ) ) ) bud->flags |= JBFLAG_DOES_XEP85; /* This field can contain more information like xhtml support, but we don't support that ourselves. Officially the ext= tag was deprecated, but enough clients do send it. (I'm aware that this is not the right way to use this field.) See for an explanation of ext=: http://www.xmpp.org/extensions/attic/xep-0115-1.3.html*/ } if( is_chat ) jabber_chat_pkt_presence( ic, bud, node ); else send_presence = jabber_buddy_by_jid( ic, bud->bare_jid, 0 ); } else if( strcmp( type, "unavailable" ) == 0 ) { if( ( bud = jabber_buddy_by_jid( ic, from, 0 ) ) == NULL ) { /* imcb_log( ic, "Warning: Received presence information from unknown JID: %s", from ); */ return XT_HANDLED; } /* Handle this before we delete the JID. */ if( is_chat ) { jabber_chat_pkt_presence( ic, bud, node ); } if( strchr( from, '/' ) == NULL ) /* Sometimes servers send a type="unavailable" from a bare JID, which should mean that suddenly all resources for this JID disappeared. */ jabber_buddy_remove_bare( ic, from ); else jabber_buddy_remove( ic, from ); if( is_chat ) { /* Nothing else to do for now? */ } else if( ( s = strchr( from, '/' ) ) ) { *s = 0; /* If another resource is still available, send its presence information. */ if( ( send_presence = jabber_buddy_by_jid( ic, from, 0 ) ) == NULL ) { /* Otherwise, count him/her as offline now. */ imcb_buddy_status( ic, from, 0, NULL, NULL ); } *s = '/'; } else { imcb_buddy_status( ic, from, 0, NULL, NULL ); } } else if( strcmp( type, "subscribe" ) == 0 ) { jabber_buddy_ask( ic, from ); } else if( strcmp( type, "subscribed" ) == 0 ) { /* Not sure about this one, actually... */ imcb_log( ic, "%s just accepted your authorization request", from ); } else if( strcmp( type, "unsubscribe" ) == 0 || strcmp( type, "unsubscribed" ) == 0 ) { /* Do nothing here. Plenty of control freaks or over-curious souls get excited when they can see who still has them in their buddy list and who finally removed them. Somehow I got the impression that those are the people who get removed from many buddy lists for "some" reason... If you're one of those people, this is your chance to write your first line of code in C... */ } else if( strcmp( type, "error" ) == 0 ) { return jabber_cache_handle_packet( ic, node ); /* struct jabber_error *err; if( ( c = xt_find_node( node->children, "error" ) ) ) { err = jabber_error_parse( c, XMLNS_STANZA_ERROR ); imcb_error( ic, "Stanza (%s) error: %s%s%s", node->name, err->code, err->text ? ": " : "", err->text ? err->text : "" ); jabber_error_free( err ); } */ } if( send_presence ) { int is_away = 0; if( send_presence->away_state && strcmp( send_presence->away_state->code, "chat" ) != 0 ) is_away = OPT_AWAY; imcb_buddy_status( ic, send_presence->bare_jid, OPT_LOGGED_IN | is_away, is_away ? send_presence->away_state->full_name : NULL, send_presence->away_message ); } return XT_HANDLED; } /* Whenever presence information is updated, call this function to inform the server. */ int presence_send_update( struct im_connection *ic ) { struct jabber_data *jd = ic->proto_data; struct xt_node *node, *cap; GSList *l; int st; node = jabber_make_packet( "presence", NULL, NULL, NULL ); xt_add_child( node, xt_new_node( "priority", set_getstr( &ic->acc->set, "priority" ), NULL ) ); if( jd->away_state ) xt_add_child( node, xt_new_node( "show", jd->away_state->code, NULL ) ); if( jd->away_message ) xt_add_child( node, xt_new_node( "status", jd->away_message, NULL ) ); /* This makes the packet slightly bigger, but clients interested in capabilities can now cache the discovery info. This reduces the usual post-login iq-flood. See XEP-0115. At least libpurple and Trillian seem to do this right. */ cap = xt_new_node( "c", NULL, NULL ); xt_add_attr( cap, "xmlns", XMLNS_CAPS ); xt_add_attr( cap, "node", "http://bitlbee.org/xmpp/caps" ); xt_add_attr( cap, "ver", BITLBEE_VERSION ); /* The XEP wants this hashed, but nobody's doing that. */ xt_add_child( node, cap ); st = jabber_write_packet( ic, node ); /* Have to send this update to all groupchats too, the server won't do this automatically. */ for( l = ic->groupchats; l && st; l = l->next ) { struct groupchat *c = l->data; struct jabber_chat *jc = c->data; xt_add_attr( node, "to", jc->my_full_jid ); st = jabber_write_packet( ic, node ); } xt_free_node( node ); return st; } /* Send a subscribe/unsubscribe request to a buddy. */ int presence_send_request( struct im_connection *ic, char *handle, char *request ) { struct xt_node *node; int st; node = jabber_make_packet( "presence", NULL, NULL, NULL ); xt_add_attr( node, "to", handle ); xt_add_attr( node, "type", request ); st = jabber_write_packet( ic, node ); xt_free_node( node ); return st; }