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-rw-r--r--wlantest/bss.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/wlantest/bss.c b/wlantest/bss.c
index 70eb888..ec26b82 100644
--- a/wlantest/bss.c
+++ b/wlantest/bss.c
@@ -15,6 +15,7 @@
#include "utils/includes.h"
#include "utils/common.h"
+#include "common/ieee802_11_common.h"
#include "wlantest.h"
@@ -50,3 +51,55 @@ void bss_deinit(struct wlantest_bss *bss)
dl_list_del(&bss->list);
os_free(bss);
}
+
+
+void bss_update(struct wlantest_bss *bss, struct ieee802_11_elems *elems)
+{
+ if (elems->ssid == NULL || elems->ssid_len > 32) {
+ wpa_printf(MSG_INFO, "Invalid or missing SSID in a Beacon "
+ "frame for " MACSTR, MAC2STR(bss->bssid));
+ bss->parse_error_reported = 1;
+ return;
+ }
+
+ os_memcpy(bss->ssid, elems->ssid, elems->ssid_len);
+ bss->ssid_len = elems->ssid_len;
+
+ if (elems->rsn_ie == NULL) {
+ if (bss->rsnie[0]) {
+ wpa_printf(MSG_INFO, "BSS " MACSTR " - RSN IE removed",
+ MAC2STR(bss->bssid));
+ bss->rsnie[0] = 0;
+ }
+ } else {
+ if (bss->rsnie[0] == 0 ||
+ os_memcmp(bss->rsnie, elems->rsn_ie - 2,
+ elems->rsn_ie_len + 2) != 0) {
+ wpa_printf(MSG_INFO, "BSS " MACSTR " - RSN IE "
+ "stored", MAC2STR(bss->bssid));
+ wpa_hexdump(MSG_DEBUG, "RSN IE", elems->rsn_ie - 2,
+ elems->rsn_ie_len + 2);
+ }
+ os_memcpy(bss->rsnie, elems->rsn_ie - 2,
+ elems->rsn_ie_len + 2);
+ }
+
+ if (elems->wpa_ie == NULL) {
+ if (bss->wpaie[0]) {
+ wpa_printf(MSG_INFO, "BSS " MACSTR " - WPA IE removed",
+ MAC2STR(bss->bssid));
+ bss->wpaie[0] = 0;
+ }
+ } else {
+ if (bss->wpaie[0] == 0 ||
+ os_memcmp(bss->wpaie, elems->wpa_ie - 2,
+ elems->wpa_ie_len + 2) != 0) {
+ wpa_printf(MSG_INFO, "BSS " MACSTR " - WPA IE "
+ "stored", MAC2STR(bss->bssid));
+ wpa_hexdump(MSG_DEBUG, "WPA IE", elems->wpa_ie - 2,
+ elems->wpa_ie_len + 2);
+ }
+ os_memcpy(bss->wpaie, elems->wpa_ie - 2,
+ elems->wpa_ie_len + 2);
+ }
+}