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WPS: Use strict validation of (Re)AssocReq only if IEs are known

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Jouni Malinen 2011-04-14 02:58:35 +03:00 committed by Jouni Malinen
parent 5dac11e027
commit 6e432d3f10
1 changed files with 12 additions and 9 deletions
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5
src/ap/drv_callbacks.c
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@ -157,17 +157,20 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
}
} else if (hapd->conf->wps_state) {
#ifdef CONFIG_WPS_STRICT
if (ie) {
struct wpabuf *wps;
wps = ieee802_11_vendor_ie_concat(ie, ielen,
WPS_IE_VENDOR_TYPE);
if (wps && wps_validate_assoc_req(wps) < 0) {
hostapd_drv_sta_disassoc(hapd, sta->addr,
hostapd_drv_sta_disassoc(
hapd, sta->addr,
WLAN_REASON_INVALID_IE);
ap_free_sta(hapd, sta);
wpabuf_free(wps);
return -1;
}
wpabuf_free(wps);
}
#endif /* CONFIG_WPS_STRICT */
if (ie && ielen > 4 && ie[0] == 0xdd && ie[1] >= 4 &&
os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {