hostapd/src/wps/wps_upnp_ap.c

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/*
* Wi-Fi Protected Setup - UPnP AP functionality
* Copyright (c) 2009, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "includes.h"
#include "common.h"
#include "eloop.h"
#include "uuid.h"
#include "wps_i.h"
#include "wps_upnp.h"
#include "wps_upnp_i.h"
static void upnp_er_set_selected_timeout(void *eloop_ctx, void *timeout_ctx)
{
struct subscription *s = eloop_ctx;
struct wps_registrar *reg = timeout_ctx;
wpa_printf(MSG_DEBUG, "WPS: SetSelectedRegistrar from ER timed out");
s->selected_registrar = 0;
wps_registrar_selected_registrar_changed(reg, 0);
}
int upnp_er_set_selected_registrar(struct wps_registrar *reg,
struct subscription *s,
const struct wpabuf *msg)
{
struct wps_parse_attr attr;
wpa_hexdump_buf(MSG_MSGDUMP, "WPS: SetSelectedRegistrar attributes",
msg);
if (wps_validate_upnp_set_selected_registrar(msg) < 0 ||
wps_parse_msg(msg, &attr) < 0)
return -1;
s->reg = reg;
eloop_cancel_timeout(upnp_er_set_selected_timeout, s, reg);
os_memset(s->authorized_macs, 0, sizeof(s->authorized_macs));
if (attr.selected_registrar == NULL || *attr.selected_registrar == 0) {
wpa_printf(MSG_DEBUG, "WPS: SetSelectedRegistrar: Disable "
"Selected Registrar");
s->selected_registrar = 0;
} else {
s->selected_registrar = 1;
s->dev_password_id = attr.dev_password_id ?
WPA_GET_BE16(attr.dev_password_id) : DEV_PW_DEFAULT;
s->config_methods = attr.sel_reg_config_methods ?
WPA_GET_BE16(attr.sel_reg_config_methods) : -1;
if (attr.authorized_macs) {
int count = attr.authorized_macs_len / ETH_ALEN;
if (count > WPS_MAX_AUTHORIZED_MACS)
count = WPS_MAX_AUTHORIZED_MACS;
os_memcpy(s->authorized_macs, attr.authorized_macs,
count * ETH_ALEN);
} else if (!attr.version2) {
wpa_printf(MSG_DEBUG, "WPS: Add broadcast "
"AuthorizedMACs for WPS 1.0 ER");
os_memset(s->authorized_macs, 0xff, ETH_ALEN);
}
eloop_register_timeout(WPS_PBC_WALK_TIME, 0,
upnp_er_set_selected_timeout, s, reg);
}
wps_registrar_selected_registrar_changed(reg, 0);
return 0;
}
void upnp_er_remove_notification(struct wps_registrar *reg,
struct subscription *s)
{
s->selected_registrar = 0;
eloop_cancel_timeout(upnp_er_set_selected_timeout, s, reg);
if (reg)
wps_registrar_selected_registrar_changed(reg, 0);
}