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Current Path: /usr/src/contrib/wpa/src/ap

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📄 accounting.c(14.53 KB)
📄 accounting.h(1.12 KB)
📄 acs.c(29.71 KB)
📄 acs.h(764 B)
📄 airtime_policy.c(6.82 KB)
📄 airtime_policy.h(1.27 KB)
📄 ap_config.c(33.39 KB)
📄 ap_config.h(26.53 KB)
📄 ap_drv_ops.c(25.84 KB)
📄 ap_drv_ops.h(13.38 KB)
📄 ap_list.c(6.82 KB)
📄 ap_list.h(1.5 KB)
📄 ap_mlme.c(5.64 KB)
📄 ap_mlme.h(1007 B)
📄 authsrv.c(8.72 KB)
📄 authsrv.h(352 B)
📄 beacon.c(40.32 KB)
📄 beacon.h(1.25 KB)
📄 bss_load.c(2.4 KB)
📄 bss_load.h(376 B)
📄 ctrl_iface_ap.c(24.3 KB)
📄 ctrl_iface_ap.h(1.61 KB)
📄 dfs.c(29.35 KB)
📄 dfs.h(1.22 KB)
📄 dhcp_snoop.c(3.36 KB)
📄 dhcp_snoop.h(590 B)
📄 dpp_hostapd.c(48.28 KB)
📄 dpp_hostapd.h(1.74 KB)
📄 drv_callbacks.c(51.68 KB)
📄 eap_user_db.c(7.92 KB)
📄 eth_p_oui.c(4.44 KB)
📄 eth_p_oui.h(958 B)
📄 fils_hlp.c(16.82 KB)
📄 fils_hlp.h(547 B)
📄 gas_query_ap.c(19.53 KB)
📄 gas_query_ap.h(1.24 KB)
📄 gas_serv.c(50.48 KB)
📄 gas_serv.h(3.38 KB)
📄 hostapd.c(89.58 KB)
📄 hostapd.h(17.99 KB)
📄 hs20.c(6.27 KB)
📄 hs20.h(843 B)
📄 hw_features.c(24.77 KB)
📄 hw_features.h(1.93 KB)
📄 iapp.c(14.59 KB)
📄 iapp.h(833 B)
📄 ieee802_11.c(148.71 KB)
📄 ieee802_11.h(7.97 KB)
📄 ieee802_11_auth.c(18.3 KB)
📄 ieee802_11_auth.h(1.04 KB)
📄 ieee802_11_he.c(8.77 KB)
📄 ieee802_11_ht.c(16.22 KB)
📄 ieee802_11_shared.c(23.95 KB)
📄 ieee802_11_vht.c(13.4 KB)
📄 ieee802_1x.c(83.16 KB)
📄 ieee802_1x.h(2.84 KB)
📄 mbo_ap.c(5.22 KB)
📄 mbo_ap.h(1.16 KB)
📄 ndisc_snoop.c(4.3 KB)
📄 ndisc_snoop.h(838 B)
📄 neighbor_db.c(6.49 KB)
📄 neighbor_db.h(940 B)
📄 p2p_hostapd.c(2.57 KB)
📄 p2p_hostapd.h(888 B)
📄 pmksa_cache_auth.c(18.79 KB)
📄 pmksa_cache_auth.h(2.69 KB)
📄 preauth_auth.c(6.47 KB)
📄 preauth_auth.h(1.26 KB)
📄 rrm.c(17.27 KB)
📄 rrm.h(1.21 KB)
📄 sta_info.c(41.42 KB)
📄 sta_info.h(11.63 KB)
📄 taxonomy.c(7.45 KB)
📄 taxonomy.h(766 B)
📄 tkip_countermeasures.c(2.95 KB)
📄 tkip_countermeasures.h(451 B)
📄 utils.c(2.29 KB)
📄 vlan.c(756 B)
📄 vlan.h(727 B)
📄 vlan_full.c(18.35 KB)
📄 vlan_ifconfig.c(1.47 KB)
📄 vlan_init.c(5.88 KB)
📄 vlan_init.h(1.09 KB)
📄 vlan_ioctl.c(3.75 KB)
📄 vlan_util.c(3.9 KB)
📄 vlan_util.h(980 B)
📄 wmm.c(11.47 KB)
📄 wmm.h(653 B)
📄 wnm_ap.c(23.69 KB)
📄 wnm_ap.h(1.08 KB)
📄 wpa_auth.c(140.03 KB)
📄 wpa_auth.h(17.89 KB)
📄 wpa_auth_ft.c(120.89 KB)
📄 wpa_auth_glue.c(35.42 KB)
📄 wpa_auth_glue.h(443 B)
📄 wpa_auth_i.h(8.47 KB)
📄 wpa_auth_ie.c(32.38 KB)
📄 wpa_auth_ie.h(1.14 KB)
📄 wpa_auth_kay.c(12.26 KB)
📄 wpa_auth_kay.h(1.15 KB)
📄 wps_hostapd.c(54.66 KB)
📄 wps_hostapd.h(2.79 KB)
📄 x_snoop.c(3.21 KB)
📄 x_snoop.h(1.29 KB)

Editing: neighbor_db.c

/*
 * hostapd / Neighboring APs DB
 * Copyright(c) 2013 - 2016 Intel Mobile Communications GmbH.
 * Copyright(c) 2011 - 2016 Intel Corporation. All rights reserved.
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#include "utils/includes.h"

#include "utils/common.h"
#include "hostapd.h"
#include "ieee802_11.h"
#include "neighbor_db.h"

struct hostapd_neighbor_entry *
hostapd_neighbor_get(struct hostapd_data *hapd, const u8 *bssid,
		     const struct wpa_ssid_value *ssid)
{
	struct hostapd_neighbor_entry *nr;

dl_list_for_each(nr, &hapd->nr_db, struct hostapd_neighbor_entry,
			 list) {
		if (os_memcmp(bssid, nr->bssid, ETH_ALEN) == 0 &&
		    (!ssid ||
		     (ssid->ssid_len == nr->ssid.ssid_len &&
		      os_memcmp(ssid->ssid, nr->ssid.ssid,
				ssid->ssid_len) == 0)))
			return nr;
	}
	return NULL;
}

static void hostapd_neighbor_clear_entry(struct hostapd_neighbor_entry *nr)
{
	wpabuf_free(nr->nr);
	nr->nr = NULL;
	wpabuf_free(nr->lci);
	nr->lci = NULL;
	wpabuf_free(nr->civic);
	nr->civic = NULL;
	os_memset(nr->bssid, 0, sizeof(nr->bssid));
	os_memset(&nr->ssid, 0, sizeof(nr->ssid));
	nr->stationary = 0;
}

static struct hostapd_neighbor_entry *
hostapd_neighbor_add(struct hostapd_data *hapd)
{
	struct hostapd_neighbor_entry *nr;

nr = os_zalloc(sizeof(struct hostapd_neighbor_entry));
	if (!nr)
		return NULL;

dl_list_add(&hapd->nr_db, &nr->list);

return nr;
}

int hostapd_neighbor_set(struct hostapd_data *hapd, const u8 *bssid,
			 const struct wpa_ssid_value *ssid,
			 const struct wpabuf *nr, const struct wpabuf *lci,
			 const struct wpabuf *civic, int stationary)
{
	struct hostapd_neighbor_entry *entry;

entry = hostapd_neighbor_get(hapd, bssid, ssid);
	if (!entry)
		entry = hostapd_neighbor_add(hapd);
	if (!entry)
		return -1;

hostapd_neighbor_clear_entry(entry);

os_memcpy(entry->bssid, bssid, ETH_ALEN);
	os_memcpy(&entry->ssid, ssid, sizeof(entry->ssid));

entry->nr = wpabuf_dup(nr);
	if (!entry->nr)
		goto fail;

if (lci && wpabuf_len(lci)) {
		entry->lci = wpabuf_dup(lci);
		if (!entry->lci || os_get_time(&entry->lci_date))
			goto fail;
	}

if (civic && wpabuf_len(civic)) {
		entry->civic = wpabuf_dup(civic);
		if (!entry->civic)
			goto fail;
	}

entry->stationary = stationary;

return 0;

fail:
	hostapd_neighbor_remove(hapd, bssid, ssid);
	return -1;
}

int hostapd_neighbor_remove(struct hostapd_data *hapd, const u8 *bssid,
			    const struct wpa_ssid_value *ssid)
{
	struct hostapd_neighbor_entry *nr;

nr = hostapd_neighbor_get(hapd, bssid, ssid);
	if (!nr)
		return -1;

hostapd_neighbor_clear_entry(nr);
	dl_list_del(&nr->list);
	os_free(nr);

return 0;
}

void hostapd_free_neighbor_db(struct hostapd_data *hapd)
{
	struct hostapd_neighbor_entry *nr, *prev;

dl_list_for_each_safe(nr, prev, &hapd->nr_db,
			      struct hostapd_neighbor_entry, list) {
		hostapd_neighbor_clear_entry(nr);
		dl_list_del(&nr->list);
		os_free(nr);
	}
}

#ifdef NEED_AP_MLME
static enum nr_chan_width hostapd_get_nr_chan_width(struct hostapd_data *hapd,
						    int ht, int vht, int he)
{
	u8 oper_chwidth = hostapd_get_oper_chwidth(hapd->iconf);

if (!ht && !vht && !he)
		return NR_CHAN_WIDTH_20;
	if (!hapd->iconf->secondary_channel)
		return NR_CHAN_WIDTH_20;
	if ((!vht && !he) || oper_chwidth == CHANWIDTH_USE_HT)
		return NR_CHAN_WIDTH_40;
	if (oper_chwidth == CHANWIDTH_80MHZ)
		return NR_CHAN_WIDTH_80;
	if (oper_chwidth == CHANWIDTH_160MHZ)
		return NR_CHAN_WIDTH_160;
	if (oper_chwidth == CHANWIDTH_80P80MHZ)
		return NR_CHAN_WIDTH_80P80;
	return NR_CHAN_WIDTH_20;
}
#endif /* NEED_AP_MLME */

void hostapd_neighbor_set_own_report(struct hostapd_data *hapd)
{
#ifdef NEED_AP_MLME
	u16 capab = hostapd_own_capab_info(hapd);
	int ht = hapd->iconf->ieee80211n && !hapd->conf->disable_11n;
	int vht = hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac;
	int he = hapd->iconf->ieee80211ax;
	struct wpa_ssid_value ssid;
	u8 channel, op_class;
	u8 center_freq1_idx = 0, center_freq2_idx = 0;
	enum nr_chan_width width;
	u32 bssid_info;
	struct wpabuf *nr;

if (!(hapd->conf->radio_measurements[0] &
	      WLAN_RRM_CAPS_NEIGHBOR_REPORT))
		return;

bssid_info = 3; /* AP is reachable */
	bssid_info |= NEI_REP_BSSID_INFO_SECURITY; /* "same as the AP" */
	bssid_info |= NEI_REP_BSSID_INFO_KEY_SCOPE; /* "same as the AP" */

if (capab & WLAN_CAPABILITY_SPECTRUM_MGMT)
		bssid_info |= NEI_REP_BSSID_INFO_SPECTRUM_MGMT;

bssid_info |= NEI_REP_BSSID_INFO_RM; /* RRM is supported */

if (hapd->conf->wmm_enabled) {
		bssid_info |= NEI_REP_BSSID_INFO_QOS;

if (hapd->conf->wmm_uapsd &&
		    (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_UAPSD))
			bssid_info |= NEI_REP_BSSID_INFO_APSD;
	}

if (ht) {
		bssid_info |= NEI_REP_BSSID_INFO_HT |
			NEI_REP_BSSID_INFO_DELAYED_BA;

/* VHT bit added in IEEE P802.11-REVmc/D4.3 */
		if (vht)
			bssid_info |= NEI_REP_BSSID_INFO_VHT;
	}

/* TODO: Set NEI_REP_BSSID_INFO_MOBILITY_DOMAIN if MDE is set */

if (ieee80211_freq_to_channel_ext(hapd->iface->freq,
					  hapd->iconf->secondary_channel,
					  hostapd_get_oper_chwidth(hapd->iconf),
					  &op_class, &channel) ==
	    NUM_HOSTAPD_MODES)
		return;
	width = hostapd_get_nr_chan_width(hapd, ht, vht, he);
	if (vht) {
		center_freq1_idx = hostapd_get_oper_centr_freq_seg0_idx(
			hapd->iconf);
		if (width == NR_CHAN_WIDTH_80P80)
			center_freq2_idx =
				hostapd_get_oper_centr_freq_seg1_idx(
					hapd->iconf);
	} else if (ht) {
		ieee80211_freq_to_chan(hapd->iface->freq +
				       10 * hapd->iconf->secondary_channel,
				       &center_freq1_idx);
	}

ssid.ssid_len = hapd->conf->ssid.ssid_len;
	os_memcpy(ssid.ssid, hapd->conf->ssid.ssid, ssid.ssid_len);

/*
	 * Neighbor Report element size = BSSID + BSSID info + op_class + chan +
	 * phy type + wide bandwidth channel subelement.
	 */
	nr = wpabuf_alloc(ETH_ALEN + 4 + 1 + 1 + 1 + 5);
	if (!nr)
		return;

wpabuf_put_data(nr, hapd->own_addr, ETH_ALEN);
	wpabuf_put_le32(nr, bssid_info);
	wpabuf_put_u8(nr, op_class);
	wpabuf_put_u8(nr, channel);
	wpabuf_put_u8(nr, ieee80211_get_phy_type(hapd->iface->freq, ht, vht));

/*
	 * Wide Bandwidth Channel subelement may be needed to allow the
	 * receiving STA to send packets to the AP. See IEEE P802.11-REVmc/D5.0
	 * Figure 9-301.
	 */
	wpabuf_put_u8(nr, WNM_NEIGHBOR_WIDE_BW_CHAN);
	wpabuf_put_u8(nr, 3);
	wpabuf_put_u8(nr, width);
	wpabuf_put_u8(nr, center_freq1_idx);
	wpabuf_put_u8(nr, center_freq2_idx);

hostapd_neighbor_set(hapd, hapd->own_addr, &ssid, nr, hapd->iconf->lci,
			     hapd->iconf->civic, hapd->iconf->stationary_ap);

wpabuf_free(nr);
#endif /* NEED_AP_MLME */
}

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Editing: neighbor_db.c

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