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WPS: Add more verbose debug info on PBC session overlap detection

This commit is contained in:
Jouni Malinen 2010-09-20 15:08:52 -07:00 committed by Jouni Malinen
parent ff28ccafd5
commit 9647120b07
1 changed files with 20 additions and 3 deletions
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23
wpa_supplicant/wps_supplicant.c
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@ -1153,12 +1153,21 @@ int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
if (!eap_is_wps_pbc_enrollee(&ssid->eap))
return 0;
wpa_printf(MSG_DEBUG, "WPS: Check whether PBC session overlap is "
"present in scan results; selected BSSID " MACSTR,
MAC2STR(selected->bssid));
/* Make sure that only one AP is in active PBC mode */
wps_ie = wpa_bss_get_vendor_ie_multi(selected, WPS_IE_VENDOR_TYPE);
if (wps_ie)
if (wps_ie) {
sel_uuid = wps_get_uuid_e(wps_ie);
else
wpa_hexdump(MSG_DEBUG, "WPS: UUID of the selected BSS",
sel_uuid, UUID_LEN);
} else {
wpa_printf(MSG_DEBUG, "WPS: Selected BSS does not include "
"WPS IE?!");
sel_uuid = NULL;
}
dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
struct wpabuf *ie;
@ -1171,10 +1180,18 @@ int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
wpabuf_free(ie);
continue;
}
wpa_printf(MSG_DEBUG, "WPS: Another BSS in active PBC mode: "
MACSTR, MAC2STR(bss->bssid));
uuid = wps_get_uuid_e(ie);
wpa_hexdump(MSG_DEBUG, "WPS: UUID of the other BSS",
uuid, UUID_LEN);
if (sel_uuid == NULL || uuid == NULL ||
os_memcmp(sel_uuid, uuid, 16) != 0) {
os_memcmp(sel_uuid, uuid, UUID_LEN) != 0) {
ret = 1; /* PBC overlap */
wpa_msg(wpa_s, MSG_INFO, "WPS: PBC overlap detected: "
MACSTR " and " MACSTR,
MAC2STR(selected->bssid),
MAC2STR(bss->bssid));
wpabuf_free(ie);
break;
}