diff -r 33da3b2f1252 -r 8ba81a0a5ec4 libpurple/conversation.c
--- a/libpurple/conversation.c	Mon Feb 21 00:17:36 2011 +0000
+++ b/libpurple/conversation.c	Mon Feb 21 00:19:45 2011 +0000
@@ -2135,6 +2135,8 @@
 	cb->name = g_strdup(name);
 	cb->flags = flags;
 	cb->alias = g_strdup(alias);
+	cb->attributes = g_hash_table_new_full(g_str_hash, g_str_equal,
+										   g_free, g_free);
 
 	PURPLE_DBUS_REGISTER_POINTER(cb, PurpleConvChatBuddy);
 	return cb;
@@ -2167,6 +2169,7 @@
 	g_free(cb->alias);
 	g_free(cb->alias_key);
 	g_free(cb->name);
+	g_hash_table_destroy(cb->attributes);
 
 	PURPLE_DBUS_UNREGISTER_POINTER(cb);
 	g_free(cb);
@@ -2180,6 +2183,76 @@
 	return cb->name;
 }
 
+const char *
+purple_conv_chat_cb_get_attribute(PurpleConvChatBuddy *cb, const char *key)
+{
+	g_return_val_if_fail(cb != NULL, NULL);
+	g_return_val_if_fail(key != NULL, NULL);
+	
+	return g_hash_table_lookup(cb->attributes, key);
+}
+
+static void
+append_attribute_key(gpointer key, gpointer value, gpointer user_data)
+{
+	GList **list = user_data;
+	*list = g_list_prepend(*list, key);
+}
+
+GList *
+purple_conv_chat_cb_get_attribute_keys(PurpleConvChatBuddy *cb)
+{
+	GList *keys = NULL;
+	
+	g_return_val_if_fail(cb != NULL, NULL);
+	
+	g_hash_table_foreach(cb->attributes, (GHFunc)append_attribute_key, &keys);
+	
+	return keys;
+}
+
+void
+purple_conv_chat_cb_set_attribute(PurpleConvChat *chat, PurpleConvChatBuddy *cb, const char *key, const char *value)
+{
+	PurpleConversation *conv;
+	PurpleConversationUiOps *ops;
+	
+	g_return_if_fail(cb != NULL);
+	g_return_if_fail(key != NULL);
+	g_return_if_fail(value != NULL);
+	
+	g_hash_table_replace(cb->attributes, g_strdup(key), g_strdup(value));
+	
+	conv = purple_conv_chat_get_conversation(chat);
+	ops = purple_conversation_get_ui_ops(conv);
+	
+	if (ops != NULL && ops->chat_update_user != NULL)
+		ops->chat_update_user(conv, cb->name);
+}
+
+void
+purple_conv_chat_cb_set_attributes(PurpleConvChat *chat, PurpleConvChatBuddy *cb, GList *keys, GList *values)
+{
+	PurpleConversation *conv;
+	PurpleConversationUiOps *ops;
+	
+	g_return_if_fail(cb != NULL);
+	g_return_if_fail(keys != NULL);
+	g_return_if_fail(values != NULL);
+	
+	while (keys != NULL && values != NULL) {
+		g_hash_table_replace(cb->attributes, g_strdup(keys->data), g_strdup(values->data));
+		keys = g_list_next(keys);
+		values = g_list_next(values);
+	}
+	
+	conv = purple_conv_chat_get_conversation(chat);
+	ops = purple_conversation_get_ui_ops(conv);
+	
+	if (ops != NULL && ops->chat_update_user != NULL)
+		ops->chat_update_user(conv, cb->name);
+}
+
 GList *
 purple_conversation_get_extended_menu(PurpleConversation *conv)
 {