1/*
2 * Wi-Fi Protected Setup - UPnP AP functionality
3 * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15#include "includes.h"
16
17#include "common.h"
18#include "eloop.h"
19#include "uuid.h"
20#include "wps_i.h"
21#include "wps_upnp.h"
22#include "wps_upnp_i.h"
23
24
25static void upnp_er_set_selected_timeout(void *eloop_ctx, void *timeout_ctx)
26{
27	struct subscription *s = eloop_ctx;
28	wpa_printf(MSG_DEBUG, "WPS: SetSelectedRegistrar from ER timed out");
29	s->selected_registrar = 0;
30	wps_registrar_selected_registrar_changed(s->reg);
31}
32
33
34int upnp_er_set_selected_registrar(struct wps_registrar *reg,
35				   struct subscription *s,
36				   const struct wpabuf *msg)
37{
38	struct wps_parse_attr attr;
39
40	wpa_hexdump_buf(MSG_MSGDUMP, "WPS: SetSelectedRegistrar attributes",
41			msg);
42
43	if (wps_parse_msg(msg, &attr) < 0)
44		return -1;
45	if (!wps_version_supported(attr.version)) {
46		wpa_printf(MSG_DEBUG, "WPS: Unsupported SetSelectedRegistrar "
47			   "version 0x%x", attr.version ? *attr.version : 0);
48		return -1;
49	}
50
51	s->reg = reg;
52	eloop_cancel_timeout(upnp_er_set_selected_timeout, s, NULL);
53
54	if (attr.selected_registrar == NULL || *attr.selected_registrar == 0) {
55		wpa_printf(MSG_DEBUG, "WPS: SetSelectedRegistrar: Disable "
56			   "Selected Registrar");
57		s->selected_registrar = 0;
58	} else {
59		s->selected_registrar = 1;
60		s->dev_password_id = attr.dev_password_id ?
61			WPA_GET_BE16(attr.dev_password_id) : DEV_PW_DEFAULT;
62		s->config_methods = attr.sel_reg_config_methods ?
63			WPA_GET_BE16(attr.sel_reg_config_methods) : -1;
64		eloop_register_timeout(WPS_PBC_WALK_TIME, 0,
65				       upnp_er_set_selected_timeout, s, NULL);
66	}
67
68	wps_registrar_selected_registrar_changed(reg);
69
70	return 0;
71}
72
73
74void upnp_er_remove_notification(struct subscription *s)
75{
76	s->selected_registrar = 0;
77	eloop_cancel_timeout(upnp_er_set_selected_timeout, s, NULL);
78	if (s->reg)
79		wps_registrar_selected_registrar_changed(s->reg);
80}
81