/**
* wps_is_addr_authorized - Check whether WPS IE authorizes MAC address
* @msg: WPS IE contents from Beacon or Probe Response frame
* @addr: MAC address to search for
* @ver1_compat: Whether to use version 1 compatibility mode
* Returns: 2 if the specified address is explicit authorized, 1 if address is
* authorized (broadcast), 0 if not
*/
int wps_is_addr_authorized(const struct wpabuf *msg, const u8 *addr,
int ver1_compat)
{
struct wps_parse_attr attr;
unsigned int i;
const u8 *pos;
const u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
if (wps_parse_msg(msg, &attr) < 0)
return 0;
if (!attr.version2 && ver1_compat) {
/*
* Version 1.0 AP - AuthorizedMACs not used, so revert back to
* old mechanism of using SelectedRegistrar.
*/
return is_selected_pin_registrar(&attr);
}
if (!attr.authorized_macs)
return 0;
pos = attr.authorized_macs;
for (i = 0; i < attr.authorized_macs_len / ETH_ALEN; i++) {
if (os_memcmp(pos, addr, ETH_ALEN) == 0)
return 2;
if (os_memcmp(pos, bcast, ETH_ALEN) == 0)
return 1;
pos += ETH_ALEN;
}
return 0;
}
/**
* wps_is_selected_pin_registrar - Check whether WPS IE indicates active PIN
* @msg: WPS IE contents from Beacon or Probe Response frame
* Returns: 1 if PIN Registrar is active, 0 if not
*/
int wps_is_selected_pin_registrar(const struct wpabuf *msg)
{
struct wps_parse_attr attr;
if (wps_parse_msg(msg, &attr) < 0)
return 0;
return is_selected_pin_registrar(&attr);
}
/**
* wps_is_addr_authorized - Check whether WPS IE authorizes MAC address
* @msg: WPS IE contents from Beacon or Probe Response frame
* @addr: MAC address to search for
* @ver1_compat: Whether to use version 1 compatibility mode
* Returns: 2 if the specified address is explicit authorized, 1 if address is
* authorized (broadcast), 0 if not
*/
int wps_is_addr_authorized(const struct wpabuf *msg, const u8 *addr,
int ver1_compat)
{
struct wps_parse_attr attr;
unsigned int i;
const u8 *pos;
const u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
if (wps_parse_msg(msg, &attr) < 0)
return 0;
return is_selected_pin_registrar(&attr);
// Marked by Albert 2011/11/17
// Some APs won't carry the AuthorizedMACs in the probe response.
// So, skip this check will speed up the process to find the current AP out for WPS handshake.
/*
if (!attr.version2 && ver1_compat) {
/*
* Version 1.0 AP - AuthorizedMACs not used, so revert back to
* old mechanism of using SelectedRegistrar.
return is_selected_pin_registrar(&attr);
}
if (!attr.authorized_macs)
return 0;
pos = attr.authorized_macs;
for (i = 0; i < attr.authorized_macs_len / ETH_ALEN; i++) {
if (os_memcmp(pos, addr, ETH_ALEN) == 0)
return 2;
if (os_memcmp(pos, bcast, ETH_ALEN) == 0)
return 1;
pos += ETH_ALEN;
}
return 0;
*/
}