1 /*
2 * Wi-Fi Protected Setup - UPnP AP functionality
3 * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "includes.h"
10
11 #include "common.h"
12 #include "eloop.h"
13 #include "uuid.h"
14 #include "wps_i.h"
15 #include "wps_upnp.h"
16 #include "wps_upnp_i.h"
17
18
upnp_er_set_selected_timeout(void * eloop_ctx,void * timeout_ctx)19 static void upnp_er_set_selected_timeout(void *eloop_ctx, void *timeout_ctx)
20 {
21 struct subscription *s = eloop_ctx;
22 struct wps_registrar *reg = timeout_ctx;
23 wpa_printf(MSG_DEBUG, "WPS: SetSelectedRegistrar from ER timed out");
24 s->selected_registrar = 0;
25 wps_registrar_selected_registrar_changed(reg, 0);
26 }
27
28
upnp_er_set_selected_registrar(struct wps_registrar * reg,struct subscription * s,const struct wpabuf * msg)29 int upnp_er_set_selected_registrar(struct wps_registrar *reg,
30 struct subscription *s,
31 const struct wpabuf *msg)
32 {
33 struct wps_parse_attr attr;
34
35 wpa_hexdump_buf(MSG_MSGDUMP, "WPS: SetSelectedRegistrar attributes",
36 msg);
37 if (wps_validate_upnp_set_selected_registrar(msg) < 0 ||
38 wps_parse_msg(msg, &attr) < 0)
39 return -1;
40
41 s->reg = reg;
42 eloop_cancel_timeout(upnp_er_set_selected_timeout, s, reg);
43
44 os_memset(s->authorized_macs, 0, sizeof(s->authorized_macs));
45 if (attr.selected_registrar == NULL || *attr.selected_registrar == 0) {
46 wpa_printf(MSG_DEBUG, "WPS: SetSelectedRegistrar: Disable "
47 "Selected Registrar");
48 s->selected_registrar = 0;
49 } else {
50 s->selected_registrar = 1;
51 s->dev_password_id = attr.dev_password_id ?
52 WPA_GET_BE16(attr.dev_password_id) : DEV_PW_DEFAULT;
53 s->config_methods = attr.sel_reg_config_methods ?
54 WPA_GET_BE16(attr.sel_reg_config_methods) : 0xffff;
55 if (attr.authorized_macs) {
56 int count = attr.authorized_macs_len / ETH_ALEN;
57 if (count > WPS_MAX_AUTHORIZED_MACS)
58 count = WPS_MAX_AUTHORIZED_MACS;
59 os_memcpy(s->authorized_macs, attr.authorized_macs,
60 count * ETH_ALEN);
61 } else if (!attr.version2) {
62 wpa_printf(MSG_DEBUG, "WPS: Add broadcast "
63 "AuthorizedMACs for WPS 1.0 ER");
64 os_memset(s->authorized_macs, 0xff, ETH_ALEN);
65 }
66 eloop_register_timeout(WPS_PBC_WALK_TIME, 0,
67 upnp_er_set_selected_timeout, s, reg);
68 }
69
70 wps_registrar_selected_registrar_changed(reg, 0);
71
72 return 0;
73 }
74
75
upnp_er_remove_notification(struct wps_registrar * reg,struct subscription * s)76 void upnp_er_remove_notification(struct wps_registrar *reg,
77 struct subscription *s)
78 {
79 bool was_sel_reg = s->selected_registrar;
80
81 s->selected_registrar = 0;
82 eloop_cancel_timeout(upnp_er_set_selected_timeout, s, reg);
83 if (reg && was_sel_reg)
84 wps_registrar_selected_registrar_changed(reg, 0);
85 }
86