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P2P: Do no process Probe Request with P2P wildcard SSID in WPS 

The Probe Request frames used in P2P Device Discovery should not be
processed by the WPS implementation.
This commit is contained in:
Jouni Malinen 2010-07-18 14:30:24 -07:00 committed by Jouni Malinen
parent 935a948f97
commit 62281bc690
3 changed files with 18 additions and 7 deletions
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17
src/ap/wps_hostapd.c
View File

@ -826,13 +826,22 @@ static int hostapd_wps_probe_req_rx(void *ctx, const u8 *addr,
}
if (wpabuf_len(wps_ie) > 0) {
wps_registrar_probe_req_rx(hapd->wps->registrar, addr, wps_ie);
int p2p_wildcard = 0;
#ifdef CONFIG_P2P
if (elems.ssid && elems.ssid_len == P2P_WILDCARD_SSID_LEN &&
os_memcmp(elems.ssid, P2P_WILDCARD_SSID,
P2P_WILDCARD_SSID_LEN) == 0)
p2p_wildcard = 1;
#endif /* CONFIG_P2P */
wps_registrar_probe_req_rx(hapd->wps->registrar, addr, wps_ie,
p2p_wildcard);
#ifdef CONFIG_WPS_UPNP
/* FIX: what exactly should be included in the WLANEvent?
* WPS attributes? Full ProbeReq frame? */
upnp_wps_device_send_wlan_event(hapd->wps_upnp, addr,
UPNP_WPS_WLANEVENT_TYPE_PROBE,
wps_ie);
if (!p2p_wildcard)
upnp_wps_device_send_wlan_event(
hapd->wps_upnp, addr,
UPNP_WPS_WLANEVENT_TYPE_PROBE, wps_ie);
#endif /* CONFIG_WPS_UPNP */
}

3
src/wps/wps.h
View File

@ -719,7 +719,8 @@ int wps_registrar_invalidate_pin(struct wps_registrar *reg, const u8 *uuid);
int wps_registrar_unlock_pin(struct wps_registrar *reg, const u8 *uuid);
int wps_registrar_button_pushed(struct wps_registrar *reg);
void wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr,
const struct wpabuf *wps_data);
const struct wpabuf *wps_data,
int p2p_wildcard);
int wps_registrar_update_ie(struct wps_registrar *reg);
int wps_registrar_get_info(struct wps_registrar *reg, const u8 *addr,
char *buf, size_t buflen);

5
src/wps/wps_registrar.c
View File

@ -876,7 +876,8 @@ static void wps_registrar_pin_completed(struct wps_registrar *reg)
* situation with other WPS APs.
*/
void wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr,
const struct wpabuf *wps_data)
const struct wpabuf *wps_data,
int p2p_wildcard)
{
struct wps_parse_attr attr;
@ -900,7 +901,7 @@ void wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr,
}
if (reg->enrollee_seen_cb && attr.uuid_e &&
attr.primary_dev_type && attr.request_type) {
attr.primary_dev_type && attr.request_type && !p2p_wildcard) {
char *dev_name = NULL;
if (attr.dev_name) {
dev_name = os_zalloc(attr.dev_name_len + 1);