wpa_supplicant: Initial Revision 0.8.X
Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date: Thu Apr 21 20:41:01 2011 +0300
Enable CONFIG_DRIVER_NL80211=y in the default configuration
nl80211 should be preferred over WEXT with any recent Linux
kernel version.
Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/ap/utils.c b/src/ap/utils.c
new file mode 100644
index 0000000..0ff48ae
--- /dev/null
+++ b/src/ap/utils.c
@@ -0,0 +1,88 @@
+/*
+ * AP mode helper functions
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "common/ieee802_11_defs.h"
+#include "sta_info.h"
+#include "hostapd.h"
+
+
+int hostapd_register_probereq_cb(struct hostapd_data *hapd,
+ int (*cb)(void *ctx, const u8 *sa,
+ const u8 *ie, size_t ie_len),
+ void *ctx)
+{
+ struct hostapd_probereq_cb *n;
+
+ n = os_realloc(hapd->probereq_cb, (hapd->num_probereq_cb + 1) *
+ sizeof(struct hostapd_probereq_cb));
+ if (n == NULL)
+ return -1;
+
+ hapd->probereq_cb = n;
+ n = &hapd->probereq_cb[hapd->num_probereq_cb];
+ hapd->num_probereq_cb++;
+
+ n->cb = cb;
+ n->ctx = ctx;
+
+ return 0;
+}
+
+
+struct prune_data {
+ struct hostapd_data *hapd;
+ const u8 *addr;
+};
+
+static int prune_associations(struct hostapd_iface *iface, void *ctx)
+{
+ struct prune_data *data = ctx;
+ struct sta_info *osta;
+ struct hostapd_data *ohapd;
+ size_t j;
+
+ for (j = 0; j < iface->num_bss; j++) {
+ ohapd = iface->bss[j];
+ if (ohapd == data->hapd)
+ continue;
+ osta = ap_get_sta(ohapd, data->addr);
+ if (!osta)
+ continue;
+
+ ap_sta_disassociate(ohapd, osta, WLAN_REASON_UNSPECIFIED);
+ }
+
+ return 0;
+}
+
+/**
+ * hostapd_prune_associations - Remove extraneous associations
+ * @hapd: Pointer to BSS data for the most recent association
+ * @addr: Associated STA address
+ *
+ * This function looks through all radios and BSS's for previous
+ * (stale) associations of STA. If any are found they are removed.
+ */
+void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr)
+{
+ struct prune_data data;
+ data.hapd = hapd;
+ data.addr = addr;
+ if (hapd->iface->for_each_interface)
+ hapd->iface->for_each_interface(hapd->iface->interfaces,
+ prune_associations, &data);
+}