diff options
Diffstat (limited to 'protocols/jabber/presence.c')
| -rw-r--r-- | protocols/jabber/presence.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/protocols/jabber/presence.c b/protocols/jabber/presence.c index 2c49b800..6fc360b7 100644 --- a/protocols/jabber/presence.c +++ b/protocols/jabber/presence.c @@ -28,7 +28,7 @@ xt_status jabber_pkt_presence( struct xt_node *node, gpointer data ) struct im_connection *ic = data; char *from = xt_find_attr( node, "from" ); char *type = xt_find_attr( node, "type" ); /* NULL should mean the person is online. */ - struct xt_node *c; + struct xt_node *c, *cap; struct jabber_buddy *bud, *send_presence = NULL; int is_chat = 0; char *s; @@ -76,6 +76,26 @@ xt_status jabber_pkt_presence( struct xt_node *node, gpointer data ) 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 @@ -185,7 +205,7 @@ xt_status jabber_pkt_presence( struct xt_node *node, gpointer data ) int presence_send_update( struct im_connection *ic ) { struct jabber_data *jd = ic->proto_data; - struct xt_node *node; + struct xt_node *node, *cap; char *show = jd->away_state->code; char *status = jd->away_message; struct groupchat *c; @@ -198,6 +218,16 @@ int presence_send_update( struct im_connection *ic ) if( status ) xt_add_child( node, xt_new_node( "status", status, 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 |