/*
* hostapd / Initialization and configuration
- * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
#include "utils/common.h"
#include "utils/eloop.h"
#include "common/ieee802_11_defs.h"
+#include "common/wpa_ctrl.h"
+#include "common/hw_features_common.h"
#include "radius/radius_client.h"
#include "radius/radius_das.h"
-#include "drivers/driver.h"
+#include "eap_server/tncs.h"
+#include "eapol_auth/eapol_auth_sm.h"
+#include "eapol_auth/eapol_auth_sm_i.h"
+#include "fst/fst.h"
#include "hostapd.h"
#include "authsrv.h"
#include "sta_info.h"
#include "ap_config.h"
#include "p2p_hostapd.h"
#include "gas_serv.h"
+#include "dfs.h"
+#include "ieee802_11.h"
+#include "bss_load.h"
+#include "x_snoop.h"
+#include "dhcp_snoop.h"
+#include "ndisc_snoop.h"
+#include "neighbor_db.h"
+#include "rrm.h"
static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason);
static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd);
static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd);
-
-extern int wpa_debug_level;
-extern struct wpa_driver_ops *wpa_drivers[];
+static int setup_interface2(struct hostapd_iface *iface);
+static void channel_list_update_timeout(void *eloop_ctx, void *timeout_ctx);
int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
static void hostapd_reload_bss(struct hostapd_data *hapd)
{
+ struct hostapd_ssid *ssid;
+
#ifndef CONFIG_NO_RADIUS
radius_client_reconfig(hapd->radius, hapd->conf->radius);
#endif /* CONFIG_NO_RADIUS */
+ ssid = &hapd->conf->ssid;
+ if (!ssid->wpa_psk_set && ssid->wpa_psk && !ssid->wpa_psk->next &&
+ ssid->wpa_passphrase_set && ssid->wpa_passphrase) {
+ /*
+ * Force PSK to be derived again since SSID or passphrase may
+ * have changed.
+ */
+ hostapd_config_clear_wpa_psk(&hapd->conf->ssid.wpa_psk);
+ }
if (hostapd_setup_wpa_psk(hapd->conf)) {
wpa_printf(MSG_ERROR, "Failed to re-configure WPA PSK "
"after reloading configuration");
else
hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 0);
- if (hapd->conf->wpa && hapd->wpa_auth == NULL) {
+ if ((hapd->conf->wpa || hapd->conf->osen) && hapd->wpa_auth == NULL) {
hostapd_setup_wpa(hapd);
if (hapd->wpa_auth)
wpa_init_keys(hapd->wpa_auth);
for (j = 0; j < iface->num_bss; j++) {
hapd = iface->bss[j];
hapd->iconf = newconf;
- hapd->conf = &newconf->bss[j];
+ hapd->iconf->channel = oldconf->channel;
+ hapd->iconf->acs = oldconf->acs;
+ hapd->iconf->secondary_channel = oldconf->secondary_channel;
+ hapd->iconf->ieee80211n = oldconf->ieee80211n;
+ hapd->iconf->ieee80211ac = oldconf->ieee80211ac;
+ hapd->iconf->ht_capab = oldconf->ht_capab;
+ hapd->iconf->vht_capab = oldconf->vht_capab;
+ hapd->iconf->vht_oper_chwidth = oldconf->vht_oper_chwidth;
+ hapd->iconf->vht_oper_centr_freq_seg0_idx =
+ oldconf->vht_oper_centr_freq_seg0_idx;
+ hapd->iconf->vht_oper_centr_freq_seg1_idx =
+ oldconf->vht_oper_centr_freq_seg1_idx;
+ hapd->conf = newconf->bss[j];
hostapd_reload_bss(hapd);
}
static void hostapd_broadcast_key_clear_iface(struct hostapd_data *hapd,
- char *ifname)
+ const char *ifname)
{
int i;
+ if (!ifname)
+ return;
for (i = 0; i < NUM_WEP_KEYS; i++) {
if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE, NULL, i,
0, NULL, 0, NULL, 0)) {
static void hostapd_free_hapd_data(struct hostapd_data *hapd)
{
+ os_free(hapd->probereq_cb);
+ hapd->probereq_cb = NULL;
+ hapd->num_probereq_cb = 0;
+
+#ifdef CONFIG_P2P
+ wpabuf_free(hapd->p2p_beacon_ie);
+ hapd->p2p_beacon_ie = NULL;
+ wpabuf_free(hapd->p2p_probe_resp_ie);
+ hapd->p2p_probe_resp_ie = NULL;
+#endif /* CONFIG_P2P */
+
+ if (!hapd->started) {
+ wpa_printf(MSG_ERROR, "%s: Interface %s wasn't started",
+ __func__, hapd->conf->iface);
+ return;
+ }
+ hapd->started = 0;
+
+ wpa_printf(MSG_DEBUG, "%s(%s)", __func__, hapd->conf->iface);
iapp_deinit(hapd->iapp);
hapd->iapp = NULL;
accounting_deinit(hapd);
authsrv_deinit(hapd);
- if (hapd->interface_added &&
- hostapd_if_remove(hapd, WPA_IF_AP_BSS, hapd->conf->iface)) {
- wpa_printf(MSG_WARNING, "Failed to remove BSS interface %s",
- hapd->conf->iface);
+ if (hapd->interface_added) {
+ hapd->interface_added = 0;
+ if (hostapd_if_remove(hapd, WPA_IF_AP_BSS, hapd->conf->iface)) {
+ wpa_printf(MSG_WARNING,
+ "Failed to remove BSS interface %s",
+ hapd->conf->iface);
+ hapd->interface_added = 1;
+ } else {
+ /*
+ * Since this was a dynamically added interface, the
+ * driver wrapper may have removed its internal instance
+ * and hapd->drv_priv is not valid anymore.
+ */
+ hapd->drv_priv = NULL;
+ }
}
- os_free(hapd->probereq_cb);
- hapd->probereq_cb = NULL;
-
-#ifdef CONFIG_P2P
- wpabuf_free(hapd->p2p_beacon_ie);
- hapd->p2p_beacon_ie = NULL;
- wpabuf_free(hapd->p2p_probe_resp_ie);
- hapd->p2p_probe_resp_ie = NULL;
-#endif /* CONFIG_P2P */
-
wpabuf_free(hapd->time_adv);
#ifdef CONFIG_INTERWORKING
gas_serv_deinit(hapd);
#endif /* CONFIG_INTERWORKING */
+ bss_load_update_deinit(hapd);
+ ndisc_snoop_deinit(hapd);
+ dhcp_snoop_deinit(hapd);
+ x_snoop_deinit(hapd);
+
#ifdef CONFIG_SQLITE
- os_free(hapd->tmp_eap_user.identity);
- os_free(hapd->tmp_eap_user.password);
+ bin_clear_free(hapd->tmp_eap_user.identity,
+ hapd->tmp_eap_user.identity_len);
+ bin_clear_free(hapd->tmp_eap_user.password,
+ hapd->tmp_eap_user.password_len);
#endif /* CONFIG_SQLITE */
+
+#ifdef CONFIG_MESH
+ wpabuf_free(hapd->mesh_pending_auth);
+ hapd->mesh_pending_auth = NULL;
+#endif /* CONFIG_MESH */
+
+ hostapd_clean_rrm(hapd);
}
* @hapd: Pointer to BSS data
*
* This function is used to free all per-BSS data structures and resources.
- * This gets called in a loop for each BSS between calls to
- * hostapd_cleanup_iface_pre() and hostapd_cleanup_iface() when an interface
- * is deinitialized. Most of the modules that are initialized in
- * hostapd_setup_bss() are deinitialized here.
+ * Most of the modules that are initialized in hostapd_setup_bss() are
+ * deinitialized here.
*/
static void hostapd_cleanup(struct hostapd_data *hapd)
{
+ wpa_printf(MSG_DEBUG, "%s(hapd=%p (%s))", __func__, hapd,
+ hapd->conf->iface);
if (hapd->iface->interfaces &&
hapd->iface->interfaces->ctrl_iface_deinit)
hapd->iface->interfaces->ctrl_iface_deinit(hapd);
}
-/**
- * hostapd_cleanup_iface_pre - Preliminary per-interface cleanup
- * @iface: Pointer to interface data
- *
- * This function is called before per-BSS data structures are deinitialized
- * with hostapd_cleanup().
- */
-static void hostapd_cleanup_iface_pre(struct hostapd_iface *iface)
+static void sta_track_deinit(struct hostapd_iface *iface)
{
+ struct hostapd_sta_info *info;
+
+ if (!iface->num_sta_seen)
+ return;
+
+ while ((info = dl_list_first(&iface->sta_seen, struct hostapd_sta_info,
+ list))) {
+ dl_list_del(&info->list);
+ iface->num_sta_seen--;
+ os_free(info);
+ }
}
static void hostapd_cleanup_iface_partial(struct hostapd_iface *iface)
{
+ wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
+#ifdef CONFIG_IEEE80211N
+#ifdef NEED_AP_MLME
+ hostapd_stop_setup_timers(iface);
+#endif /* NEED_AP_MLME */
+#endif /* CONFIG_IEEE80211N */
hostapd_free_hw_features(iface->hw_features, iface->num_hw_features);
iface->hw_features = NULL;
os_free(iface->current_rates);
os_free(iface->basic_rates);
iface->basic_rates = NULL;
ap_list_deinit(iface);
+ sta_track_deinit(iface);
}
*/
static void hostapd_cleanup_iface(struct hostapd_iface *iface)
{
+ wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
+ eloop_cancel_timeout(channel_list_update_timeout, iface, NULL);
+
hostapd_cleanup_iface_partial(iface);
hostapd_config_free(iface->conf);
iface->conf = NULL;
os_free(iface->config_fname);
os_free(iface->bss);
+ wpa_printf(MSG_DEBUG, "%s: free iface=%p", __func__, iface);
os_free(iface);
}
static void hostapd_clear_wep(struct hostapd_data *hapd)
{
- if (hapd->drv_priv) {
+ if (hapd->drv_priv && !hapd->iface->driver_ap_teardown) {
hostapd_set_privacy(hapd, 0);
hostapd_broadcast_wep_clear(hapd);
}
if (hostapd_drv_none(hapd) || hapd->drv_priv == NULL)
return 0;
- wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "Flushing old station entries");
- if (hostapd_flush(hapd)) {
- wpa_msg(hapd->msg_ctx, MSG_WARNING, "Could not connect to "
- "kernel driver");
- ret = -1;
+ if (!hapd->iface->driver_ap_teardown) {
+ wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
+ "Flushing old station entries");
+
+ if (hostapd_flush(hapd)) {
+ wpa_msg(hapd->msg_ctx, MSG_WARNING,
+ "Could not connect to kernel driver");
+ ret = -1;
+ }
}
wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "Deauthenticate all stations");
os_memset(addr, 0xff, ETH_ALEN);
}
+static void hostapd_bss_deinit_no_free(struct hostapd_data *hapd)
+{
+ hostapd_free_stas(hapd);
+ hostapd_flush_old_stations(hapd, WLAN_REASON_DEAUTH_LEAVING);
+ hostapd_clear_wep(hapd);
+}
+
+
/**
* hostapd_validate_bssid_configuration - Validate BSSID configuration
* @iface: Pointer to interface data
if (hostapd_drv_none(hapd))
return 0;
+ if (iface->conf->use_driver_iface_addr)
+ return 0;
+
/* Generate BSSID mask that is large enough to cover the BSSIDs. */
/* Determine the bits necessary to cover the number of BSSIDs. */
/* Determine the bits necessary to any configured BSSIDs,
if they are higher than the number of BSSIDs. */
for (j = 0; j < iface->conf->num_bss; j++) {
- if (hostapd_mac_comp_empty(iface->conf->bss[j].bssid) == 0) {
+ if (is_zero_ether_addr(iface->conf->bss[j]->bssid)) {
if (j)
auto_addr++;
continue;
for (i = 0; i < ETH_ALEN; i++) {
mask[i] |=
- iface->conf->bss[j].bssid[i] ^
+ iface->conf->bss[j]->bssid[i] ^
hapd->own_addr[i];
}
}
size_t i;
for (i = 0; i < conf->num_bss; i++) {
- if (hostapd_mac_comp(conf->bss[i].bssid, a) == 0) {
+ if (hostapd_mac_comp(conf->bss[i]->bssid, a) == 0) {
return 1;
}
}
static int hostapd_das_nas_mismatch(struct hostapd_data *hapd,
struct radius_das_attrs *attr)
{
- /* TODO */
+ if (attr->nas_identifier &&
+ (!hapd->conf->nas_identifier ||
+ os_strlen(hapd->conf->nas_identifier) !=
+ attr->nas_identifier_len ||
+ os_memcmp(hapd->conf->nas_identifier, attr->nas_identifier,
+ attr->nas_identifier_len) != 0)) {
+ wpa_printf(MSG_DEBUG, "RADIUS DAS: NAS-Identifier mismatch");
+ return 1;
+ }
+
+ if (attr->nas_ip_addr &&
+ (hapd->conf->own_ip_addr.af != AF_INET ||
+ os_memcmp(&hapd->conf->own_ip_addr.u.v4, attr->nas_ip_addr, 4) !=
+ 0)) {
+ wpa_printf(MSG_DEBUG, "RADIUS DAS: NAS-IP-Address mismatch");
+ return 1;
+ }
+
+#ifdef CONFIG_IPV6
+ if (attr->nas_ipv6_addr &&
+ (hapd->conf->own_ip_addr.af != AF_INET6 ||
+ os_memcmp(&hapd->conf->own_ip_addr.u.v6, attr->nas_ipv6_addr, 16)
+ != 0)) {
+ wpa_printf(MSG_DEBUG, "RADIUS DAS: NAS-IPv6-Address mismatch");
+ return 1;
+ }
+#endif /* CONFIG_IPV6 */
+
return 0;
}
static struct sta_info * hostapd_das_find_sta(struct hostapd_data *hapd,
- struct radius_das_attrs *attr)
+ struct radius_das_attrs *attr,
+ int *multi)
{
- struct sta_info *sta = NULL;
+ struct sta_info *selected, *sta;
char buf[128];
+ int num_attr = 0;
+ int count;
+
+ *multi = 0;
- if (attr->sta_addr)
+ for (sta = hapd->sta_list; sta; sta = sta->next)
+ sta->radius_das_match = 1;
+
+ if (attr->sta_addr) {
+ num_attr++;
sta = ap_get_sta(hapd, attr->sta_addr);
+ if (!sta) {
+ wpa_printf(MSG_DEBUG,
+ "RADIUS DAS: No Calling-Station-Id match");
+ return NULL;
+ }
- if (sta == NULL && attr->acct_session_id &&
- attr->acct_session_id_len == 17) {
+ selected = sta;
for (sta = hapd->sta_list; sta; sta = sta->next) {
- os_snprintf(buf, sizeof(buf), "%08X-%08X",
- sta->acct_session_id_hi,
- sta->acct_session_id_lo);
- if (os_memcmp(attr->acct_session_id, buf, 17) == 0)
- break;
+ if (sta != selected)
+ sta->radius_das_match = 0;
+ }
+ wpa_printf(MSG_DEBUG, "RADIUS DAS: Calling-Station-Id match");
+ }
+
+ if (attr->acct_session_id) {
+ num_attr++;
+ if (attr->acct_session_id_len != 16) {
+ wpa_printf(MSG_DEBUG,
+ "RADIUS DAS: Acct-Session-Id cannot match");
+ return NULL;
}
+ count = 0;
+
+ for (sta = hapd->sta_list; sta; sta = sta->next) {
+ if (!sta->radius_das_match)
+ continue;
+ os_snprintf(buf, sizeof(buf), "%016llX",
+ (unsigned long long) sta->acct_session_id);
+ if (os_memcmp(attr->acct_session_id, buf, 16) != 0)
+ sta->radius_das_match = 0;
+ else
+ count++;
+ }
+
+ if (count == 0) {
+ wpa_printf(MSG_DEBUG,
+ "RADIUS DAS: No matches remaining after Acct-Session-Id check");
+ return NULL;
+ }
+ wpa_printf(MSG_DEBUG, "RADIUS DAS: Acct-Session-Id match");
+ }
+
+ if (attr->acct_multi_session_id) {
+ num_attr++;
+ if (attr->acct_multi_session_id_len != 16) {
+ wpa_printf(MSG_DEBUG,
+ "RADIUS DAS: Acct-Multi-Session-Id cannot match");
+ return NULL;
+ }
+ count = 0;
+
+ for (sta = hapd->sta_list; sta; sta = sta->next) {
+ if (!sta->radius_das_match)
+ continue;
+ if (!sta->eapol_sm ||
+ !sta->eapol_sm->acct_multi_session_id) {
+ sta->radius_das_match = 0;
+ continue;
+ }
+ os_snprintf(buf, sizeof(buf), "%016llX",
+ (unsigned long long)
+ sta->eapol_sm->acct_multi_session_id);
+ if (os_memcmp(attr->acct_multi_session_id, buf, 16) !=
+ 0)
+ sta->radius_das_match = 0;
+ else
+ count++;
+ }
+
+ if (count == 0) {
+ wpa_printf(MSG_DEBUG,
+ "RADIUS DAS: No matches remaining after Acct-Multi-Session-Id check");
+ return NULL;
+ }
+ wpa_printf(MSG_DEBUG,
+ "RADIUS DAS: Acct-Multi-Session-Id match");
}
- if (sta == NULL && attr->cui) {
+ if (attr->cui) {
+ num_attr++;
+ count = 0;
+
for (sta = hapd->sta_list; sta; sta = sta->next) {
struct wpabuf *cui;
+
+ if (!sta->radius_das_match)
+ continue;
cui = ieee802_1x_get_radius_cui(sta->eapol_sm);
- if (cui && wpabuf_len(cui) == attr->cui_len &&
+ if (!cui || wpabuf_len(cui) != attr->cui_len ||
os_memcmp(wpabuf_head(cui), attr->cui,
- attr->cui_len) == 0)
- break;
+ attr->cui_len) != 0)
+ sta->radius_das_match = 0;
+ else
+ count++;
}
+
+ if (count == 0) {
+ wpa_printf(MSG_DEBUG,
+ "RADIUS DAS: No matches remaining after Chargeable-User-Identity check");
+ return NULL;
+ }
+ wpa_printf(MSG_DEBUG,
+ "RADIUS DAS: Chargeable-User-Identity match");
}
- if (sta == NULL && attr->user_name) {
+ if (attr->user_name) {
+ num_attr++;
+ count = 0;
+
for (sta = hapd->sta_list; sta; sta = sta->next) {
u8 *identity;
size_t identity_len;
+
+ if (!sta->radius_das_match)
+ continue;
identity = ieee802_1x_get_identity(sta->eapol_sm,
&identity_len);
- if (identity &&
- identity_len == attr->user_name_len &&
+ if (!identity ||
+ identity_len != attr->user_name_len ||
os_memcmp(identity, attr->user_name, identity_len)
- == 0)
- break;
+ != 0)
+ sta->radius_das_match = 0;
+ else
+ count++;
+ }
+
+ if (count == 0) {
+ wpa_printf(MSG_DEBUG,
+ "RADIUS DAS: No matches remaining after User-Name check");
+ return NULL;
+ }
+ wpa_printf(MSG_DEBUG,
+ "RADIUS DAS: User-Name match");
+ }
+
+ if (num_attr == 0) {
+ /*
+ * In theory, we could match all current associations, but it
+ * seems safer to just reject requests that do not include any
+ * session identification attributes.
+ */
+ wpa_printf(MSG_DEBUG,
+ "RADIUS DAS: No session identification attributes included");
+ return NULL;
+ }
+
+ selected = NULL;
+ for (sta = hapd->sta_list; sta; sta = sta->next) {
+ if (sta->radius_das_match) {
+ if (selected) {
+ *multi = 1;
+ return NULL;
+ }
+ selected = sta;
}
}
- return sta;
+ return selected;
+}
+
+
+static int hostapd_das_disconnect_pmksa(struct hostapd_data *hapd,
+ struct radius_das_attrs *attr)
+{
+ if (!hapd->wpa_auth)
+ return -1;
+ return wpa_auth_radius_das_disconnect_pmksa(hapd->wpa_auth, attr);
}
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
+ int multi;
if (hostapd_das_nas_mismatch(hapd, attr))
return RADIUS_DAS_NAS_MISMATCH;
- sta = hostapd_das_find_sta(hapd, attr);
- if (sta == NULL)
+ sta = hostapd_das_find_sta(hapd, attr, &multi);
+ if (sta == NULL) {
+ if (multi) {
+ wpa_printf(MSG_DEBUG,
+ "RADIUS DAS: Multiple sessions match - not supported");
+ return RADIUS_DAS_MULTI_SESSION_MATCH;
+ }
+ if (hostapd_das_disconnect_pmksa(hapd, attr) == 0) {
+ wpa_printf(MSG_DEBUG,
+ "RADIUS DAS: PMKSA cache entry matched");
+ return RADIUS_DAS_SUCCESS;
+ }
+ wpa_printf(MSG_DEBUG, "RADIUS DAS: No matching session found");
return RADIUS_DAS_SESSION_NOT_FOUND;
+ }
+
+ wpa_printf(MSG_DEBUG, "RADIUS DAS: Found a matching session " MACSTR
+ " - disconnecting", MAC2STR(sta->addr));
+ wpa_auth_pmksa_remove(hapd->wpa_auth, sta->addr);
hostapd_drv_sta_deauth(hapd, sta->addr,
WLAN_REASON_PREV_AUTH_NOT_VALID);
/**
* hostapd_setup_bss - Per-BSS setup (initialization)
* @hapd: Pointer to BSS data
- * @first: Whether this BSS is the first BSS of an interface
+ * @first: Whether this BSS is the first BSS of an interface; -1 = not first,
+ * but interface may exist
*
* This function is used to initialize all per-BSS data structures and
* resources. This gets called in a loop for each BSS when an interface is
static int hostapd_setup_bss(struct hostapd_data *hapd, int first)
{
struct hostapd_bss_config *conf = hapd->conf;
- u8 ssid[HOSTAPD_MAX_SSID_LEN + 1];
+ u8 ssid[SSID_MAX_LEN + 1];
int ssid_len, set_ssid;
char force_ifname[IFNAMSIZ];
u8 if_addr[ETH_ALEN];
+ int flush_old_stations = 1;
- if (!first) {
- if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0) {
- /* Allocate the next available BSSID. */
- do {
- inc_byte_array(hapd->own_addr, ETH_ALEN);
- } while (mac_in_conf(hapd->iconf, hapd->own_addr));
- } else {
+ wpa_printf(MSG_DEBUG, "%s(hapd=%p (%s), first=%d)",
+ __func__, hapd, conf->iface, first);
+
+#ifdef EAP_SERVER_TNC
+ if (conf->tnc && tncs_global_init() < 0) {
+ wpa_printf(MSG_ERROR, "Failed to initialize TNCS");
+ return -1;
+ }
+#endif /* EAP_SERVER_TNC */
+
+ if (hapd->started) {
+ wpa_printf(MSG_ERROR, "%s: Interface %s was already started",
+ __func__, conf->iface);
+ return -1;
+ }
+ hapd->started = 1;
+
+ if (!first || first == -1) {
+ u8 *addr = hapd->own_addr;
+
+ if (!is_zero_ether_addr(conf->bssid)) {
/* Allocate the configured BSSID. */
- os_memcpy(hapd->own_addr, hapd->conf->bssid, ETH_ALEN);
+ os_memcpy(hapd->own_addr, conf->bssid, ETH_ALEN);
if (hostapd_mac_comp(hapd->own_addr,
hapd->iface->bss[0]->own_addr) ==
0) {
wpa_printf(MSG_ERROR, "BSS '%s' may not have "
"BSSID set to the MAC address of "
- "the radio", hapd->conf->iface);
+ "the radio", conf->iface);
return -1;
}
+ } else if (hapd->iconf->use_driver_iface_addr) {
+ addr = NULL;
+ } else {
+ /* Allocate the next available BSSID. */
+ do {
+ inc_byte_array(hapd->own_addr, ETH_ALEN);
+ } while (mac_in_conf(hapd->iconf, hapd->own_addr));
}
hapd->interface_added = 1;
if (hostapd_if_add(hapd->iface->bss[0], WPA_IF_AP_BSS,
- hapd->conf->iface, hapd->own_addr, hapd,
+ conf->iface, addr, hapd,
&hapd->drv_priv, force_ifname, if_addr,
- hapd->conf->bridge[0] ? hapd->conf->bridge :
- NULL)) {
+ conf->bridge[0] ? conf->bridge : NULL,
+ first == -1)) {
wpa_printf(MSG_ERROR, "Failed to add BSS (BSSID="
MACSTR ")", MAC2STR(hapd->own_addr));
+ hapd->interface_added = 0;
return -1;
}
+
+ if (!addr)
+ os_memcpy(hapd->own_addr, if_addr, ETH_ALEN);
}
if (conf->wmm_enabled < 0)
conf->wmm_enabled = hapd->iconf->ieee80211n;
- hostapd_flush_old_stations(hapd, WLAN_REASON_PREV_AUTH_NOT_VALID);
+#ifdef CONFIG_IEEE80211R
+ if (is_zero_ether_addr(conf->r1_key_holder))
+ os_memcpy(conf->r1_key_holder, hapd->own_addr, ETH_ALEN);
+#endif /* CONFIG_IEEE80211R */
+
+#ifdef CONFIG_MESH
+ if (hapd->iface->mconf == NULL)
+ flush_old_stations = 0;
+#endif /* CONFIG_MESH */
+
+ if (flush_old_stations)
+ hostapd_flush_old_stations(hapd,
+ WLAN_REASON_PREV_AUTH_NOT_VALID);
hostapd_set_privacy(hapd, 0);
hostapd_broadcast_wep_clear(hapd);
- if (hostapd_setup_encryption(hapd->conf->iface, hapd))
+ if (hostapd_setup_encryption(conf->iface, hapd))
return -1;
/*
if (!hostapd_drv_none(hapd)) {
wpa_printf(MSG_ERROR, "Using interface %s with hwaddr " MACSTR
" and ssid \"%s\"",
- hapd->conf->iface, MAC2STR(hapd->own_addr),
- wpa_ssid_txt(hapd->conf->ssid.ssid,
- hapd->conf->ssid.ssid_len));
+ conf->iface, MAC2STR(hapd->own_addr),
+ wpa_ssid_txt(conf->ssid.ssid, conf->ssid.ssid_len));
}
if (hostapd_setup_wpa_psk(conf)) {
return -1;
}
- if (wpa_debug_level == MSG_MSGDUMP)
+ if (wpa_debug_level <= MSG_MSGDUMP)
conf->radius->msg_dumps = 1;
#ifndef CONFIG_NO_RADIUS
hapd->radius = radius_client_init(hapd, conf->radius);
return -1;
}
- if (hapd->conf->radius_das_port) {
+ if (conf->radius_das_port) {
struct radius_das_conf das_conf;
os_memset(&das_conf, 0, sizeof(das_conf));
- das_conf.port = hapd->conf->radius_das_port;
- das_conf.shared_secret = hapd->conf->radius_das_shared_secret;
+ das_conf.port = conf->radius_das_port;
+ das_conf.shared_secret = conf->radius_das_shared_secret;
das_conf.shared_secret_len =
- hapd->conf->radius_das_shared_secret_len;
- das_conf.client_addr = &hapd->conf->radius_das_client_addr;
- das_conf.time_window = hapd->conf->radius_das_time_window;
+ conf->radius_das_shared_secret_len;
+ das_conf.client_addr = &conf->radius_das_client_addr;
+ das_conf.time_window = conf->radius_das_time_window;
das_conf.require_event_timestamp =
- hapd->conf->radius_das_require_event_timestamp;
+ conf->radius_das_require_event_timestamp;
+ das_conf.require_message_authenticator =
+ conf->radius_das_require_message_authenticator;
das_conf.ctx = hapd;
das_conf.disconnect = hostapd_das_disconnect;
hapd->radius_das = radius_das_init(&das_conf);
return -1;
}
- if (hapd->conf->wpa && hostapd_setup_wpa(hapd))
+ if ((conf->wpa || conf->osen) && hostapd_setup_wpa(hapd))
return -1;
if (accounting_init(hapd)) {
return -1;
}
- if (hapd->conf->ieee802_11f &&
- (hapd->iapp = iapp_init(hapd, hapd->conf->iapp_iface)) == NULL) {
+ if (conf->ieee802_11f &&
+ (hapd->iapp = iapp_init(hapd, conf->iapp_iface)) == NULL) {
wpa_printf(MSG_ERROR, "IEEE 802.11F (IAPP) initialization "
"failed.");
return -1;
wpa_printf(MSG_ERROR, "GAS server initialization failed");
return -1;
}
+
+ if (conf->qos_map_set_len &&
+ hostapd_drv_set_qos_map(hapd, conf->qos_map_set,
+ conf->qos_map_set_len)) {
+ wpa_printf(MSG_ERROR, "Failed to initialize QoS Map");
+ return -1;
+ }
#endif /* CONFIG_INTERWORKING */
- if (hapd->iface->interfaces &&
- hapd->iface->interfaces->ctrl_iface_init &&
- hapd->iface->interfaces->ctrl_iface_init(hapd)) {
- wpa_printf(MSG_ERROR, "Failed to setup control interface");
+ if (conf->bss_load_update_period && bss_load_update_init(hapd)) {
+ wpa_printf(MSG_ERROR, "BSS Load initialization failed");
return -1;
}
+ if (conf->proxy_arp) {
+ if (x_snoop_init(hapd)) {
+ wpa_printf(MSG_ERROR,
+ "Generic snooping infrastructure initialization failed");
+ return -1;
+ }
+
+ if (dhcp_snoop_init(hapd)) {
+ wpa_printf(MSG_ERROR,
+ "DHCP snooping initialization failed");
+ return -1;
+ }
+
+ if (ndisc_snoop_init(hapd)) {
+ wpa_printf(MSG_ERROR,
+ "Neighbor Discovery snooping initialization failed");
+ return -1;
+ }
+ }
+
if (!hostapd_drv_none(hapd) && vlan_init(hapd)) {
wpa_printf(MSG_ERROR, "VLAN initialization failed.");
return -1;
}
- if (!hapd->conf->start_disabled)
- ieee802_11_set_beacon(hapd);
+ if (!conf->start_disabled && ieee802_11_set_beacon(hapd) < 0)
+ return -1;
if (hapd->wpa_auth && wpa_init_keys(hapd->wpa_auth) < 0)
return -1;
int i;
struct hostapd_tx_queue_params *p;
+#ifdef CONFIG_MESH
+ if (iface->mconf == NULL)
+ return;
+#endif /* CONFIG_MESH */
+
for (i = 0; i < NUM_TX_QUEUES; i++) {
p = &iface->conf->tx_queue[i];
if (hapd->iface->drv_max_acl_mac_addrs == 0)
return;
- if (!(conf->bss->num_accept_mac || conf->bss->num_deny_mac))
- return;
- if (conf->bss->macaddr_acl == DENY_UNLESS_ACCEPTED) {
- if (conf->bss->num_accept_mac) {
- accept_acl = 1;
- err = hostapd_set_acl_list(hapd, conf->bss->accept_mac,
- conf->bss->num_accept_mac,
- accept_acl);
- if (err) {
- wpa_printf(MSG_DEBUG, "Failed to set accept acl");
- return;
- }
- } else {
- wpa_printf(MSG_DEBUG, "Mismatch between ACL Policy & Accept/deny lists file");
- }
- } else if (conf->bss->macaddr_acl == ACCEPT_UNLESS_DENIED) {
- if (conf->bss->num_deny_mac) {
- accept_acl = 0;
- err = hostapd_set_acl_list(hapd, conf->bss->deny_mac,
- conf->bss->num_deny_mac,
- accept_acl);
- if (err) {
- wpa_printf(MSG_DEBUG, "Failed to set deny acl");
- return;
- }
- } else {
- wpa_printf(MSG_DEBUG, "Mismatch between ACL Policy & Accept/deny lists file");
+ if (conf->bss[0]->macaddr_acl == DENY_UNLESS_ACCEPTED) {
+ accept_acl = 1;
+ err = hostapd_set_acl_list(hapd, conf->bss[0]->accept_mac,
+ conf->bss[0]->num_accept_mac,
+ accept_acl);
+ if (err) {
+ wpa_printf(MSG_DEBUG, "Failed to set accept acl");
+ return;
+ }
+ } else if (conf->bss[0]->macaddr_acl == ACCEPT_UNLESS_DENIED) {
+ accept_acl = 0;
+ err = hostapd_set_acl_list(hapd, conf->bss[0]->deny_mac,
+ conf->bss[0]->num_deny_mac,
+ accept_acl);
+ if (err) {
+ wpa_printf(MSG_DEBUG, "Failed to set deny acl");
+ return;
+ }
+ }
+}
+
+
+static int start_ctrl_iface_bss(struct hostapd_data *hapd)
+{
+ if (!hapd->iface->interfaces ||
+ !hapd->iface->interfaces->ctrl_iface_init)
+ return 0;
+
+ if (hapd->iface->interfaces->ctrl_iface_init(hapd)) {
+ wpa_printf(MSG_ERROR,
+ "Failed to setup control interface for %s",
+ hapd->conf->iface);
+ return -1;
+ }
+
+ return 0;
+}
+
+
+static int start_ctrl_iface(struct hostapd_iface *iface)
+{
+ size_t i;
+
+ if (!iface->interfaces || !iface->interfaces->ctrl_iface_init)
+ return 0;
+
+ for (i = 0; i < iface->num_bss; i++) {
+ struct hostapd_data *hapd = iface->bss[i];
+ if (iface->interfaces->ctrl_iface_init(hapd)) {
+ wpa_printf(MSG_ERROR,
+ "Failed to setup control interface for %s",
+ hapd->conf->iface);
+ return -1;
}
}
+
+ return 0;
+}
+
+
+static void channel_list_update_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+ struct hostapd_iface *iface = eloop_ctx;
+
+ if (!iface->wait_channel_update) {
+ wpa_printf(MSG_INFO, "Channel list update timeout, but interface was not waiting for it");
+ return;
+ }
+
+ /*
+ * It is possible that the existing channel list is acceptable, so try
+ * to proceed.
+ */
+ wpa_printf(MSG_DEBUG, "Channel list update timeout - try to continue anyway");
+ setup_interface2(iface);
+}
+
+
+void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator)
+{
+ if (!iface->wait_channel_update || initiator != REGDOM_SET_BY_USER)
+ return;
+
+ wpa_printf(MSG_DEBUG, "Channel list updated - continue setup");
+ eloop_cancel_timeout(channel_list_update_timeout, iface, NULL);
+ setup_interface2(iface);
}
{
struct hostapd_data *hapd = iface->bss[0];
size_t i;
- char country[4];
+
+ /*
+ * It is possible that setup_interface() is called after the interface
+ * was disabled etc., in which case driver_ap_teardown is possibly set
+ * to 1. Clear it here so any other key/station deletion, which is not
+ * part of a teardown flow, would also call the relevant driver
+ * callbacks.
+ */
+ iface->driver_ap_teardown = 0;
+
+ if (!iface->phy[0]) {
+ const char *phy = hostapd_drv_get_radio_name(hapd);
+ if (phy) {
+ wpa_printf(MSG_DEBUG, "phy: %s", phy);
+ os_strlcpy(iface->phy, phy, sizeof(iface->phy));
+ }
+ }
/*
* Make sure that all BSSes get configured with a pointer to the same
if (hostapd_validate_bssid_configuration(iface))
return -1;
+ /*
+ * Initialize control interfaces early to allow external monitoring of
+ * channel setup operations that may take considerable amount of time
+ * especially for DFS cases.
+ */
+ if (start_ctrl_iface(iface))
+ return -1;
+
if (hapd->iconf->country[0] && hapd->iconf->country[1]) {
+ char country[4], previous_country[4];
+
+ hostapd_set_state(iface, HAPD_IFACE_COUNTRY_UPDATE);
+ if (hostapd_get_country(hapd, previous_country) < 0)
+ previous_country[0] = '\0';
+
os_memcpy(country, hapd->iconf->country, 3);
country[3] = '\0';
if (hostapd_set_country(hapd, country) < 0) {
wpa_printf(MSG_ERROR, "Failed to set country code");
return -1;
}
+
+ wpa_printf(MSG_DEBUG, "Previous country code %s, new country code %s",
+ previous_country, country);
+
+ if (os_strncmp(previous_country, country, 2) != 0) {
+ wpa_printf(MSG_DEBUG, "Continue interface setup after channel list update");
+ iface->wait_channel_update = 1;
+ eloop_register_timeout(5, 0,
+ channel_list_update_timeout,
+ iface, NULL);
+ return 0;
+ }
}
+ return setup_interface2(iface);
+}
+
+
+static int setup_interface2(struct hostapd_iface *iface)
+{
+ iface->wait_channel_update = 0;
+
if (hostapd_get_hw_features(iface)) {
/* Not all drivers support this yet, so continue without hw
* feature data. */
if (ret < 0) {
wpa_printf(MSG_ERROR, "Could not select hw_mode and "
"channel. (%d)", ret);
- return -1;
+ goto fail;
}
if (ret == 1) {
wpa_printf(MSG_DEBUG, "Interface initialization will be completed in a callback (ACS)");
}
ret = hostapd_check_ht_capab(iface);
if (ret < 0)
- return -1;
+ goto fail;
if (ret == 1) {
wpa_printf(MSG_DEBUG, "Interface initialization will "
"be completed in a callback");
return 0;
}
+
+ if (iface->conf->ieee80211h)
+ wpa_printf(MSG_DEBUG, "DFS support is enabled");
}
return hostapd_setup_interface_complete(iface, 0);
+
+fail:
+ hostapd_set_state(iface, HAPD_IFACE_DISABLED);
+ wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, AP_EVENT_DISABLED);
+ if (iface->interfaces && iface->interfaces->terminate_on_error)
+ eloop_terminate();
+ return -1;
}
-int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err)
+#ifdef CONFIG_FST
+
+static const u8 * fst_hostapd_get_bssid_cb(void *ctx)
{
- struct hostapd_data *hapd = iface->bss[0];
- size_t j;
- u8 *prev_addr;
+ struct hostapd_data *hapd = ctx;
- if (err) {
- wpa_printf(MSG_ERROR, "Interface initialization failed");
- eloop_terminate();
- return -1;
- }
+ return hapd->own_addr;
+}
- wpa_printf(MSG_DEBUG, "Completing interface initialization");
- if (hapd->iconf->channel) {
- iface->freq = hostapd_hw_get_freq(hapd, hapd->iconf->channel);
- wpa_printf(MSG_DEBUG, "Mode: %s Channel: %d "
- "Frequency: %d MHz",
- hostapd_hw_mode_txt(hapd->iconf->hw_mode),
- hapd->iconf->channel, iface->freq);
- if (hostapd_set_freq(hapd, hapd->iconf->hw_mode, iface->freq,
- hapd->iconf->channel,
- hapd->iconf->ieee80211n,
- hapd->iconf->ieee80211ac,
- hapd->iconf->secondary_channel,
- hapd->iconf->vht_oper_chwidth,
- hapd->iconf->vht_oper_centr_freq_seg0_idx,
- hapd->iconf->vht_oper_centr_freq_seg1_idx)) {
- wpa_printf(MSG_ERROR, "Could not set channel for "
- "kernel driver");
- return -1;
- }
- }
+static void fst_hostapd_get_channel_info_cb(void *ctx,
+ enum hostapd_hw_mode *hw_mode,
+ u8 *channel)
+{
+ struct hostapd_data *hapd = ctx;
- if (iface->current_mode) {
- if (hostapd_prepare_rates(iface, iface->current_mode)) {
- wpa_printf(MSG_ERROR, "Failed to prepare rates "
+ *hw_mode = ieee80211_freq_to_chan(hapd->iface->freq, channel);
+}
+
+
+static void fst_hostapd_set_ies_cb(void *ctx, const struct wpabuf *fst_ies)
+{
+ struct hostapd_data *hapd = ctx;
+
+ if (hapd->iface->fst_ies != fst_ies) {
+ hapd->iface->fst_ies = fst_ies;
+ if (ieee802_11_set_beacon(hapd))
+ wpa_printf(MSG_WARNING, "FST: Cannot set beacon");
+ }
+}
+
+
+static int fst_hostapd_send_action_cb(void *ctx, const u8 *da,
+ struct wpabuf *buf)
+{
+ struct hostapd_data *hapd = ctx;
+
+ return hostapd_drv_send_action(hapd, hapd->iface->freq, 0, da,
+ wpabuf_head(buf), wpabuf_len(buf));
+}
+
+
+static const struct wpabuf * fst_hostapd_get_mb_ie_cb(void *ctx, const u8 *addr)
+{
+ struct hostapd_data *hapd = ctx;
+ struct sta_info *sta = ap_get_sta(hapd, addr);
+
+ return sta ? sta->mb_ies : NULL;
+}
+
+
+static void fst_hostapd_update_mb_ie_cb(void *ctx, const u8 *addr,
+ const u8 *buf, size_t size)
+{
+ struct hostapd_data *hapd = ctx;
+ struct sta_info *sta = ap_get_sta(hapd, addr);
+
+ if (sta) {
+ struct mb_ies_info info;
+
+ if (!mb_ies_info_by_ies(&info, buf, size)) {
+ wpabuf_free(sta->mb_ies);
+ sta->mb_ies = mb_ies_by_info(&info);
+ }
+ }
+}
+
+
+static const u8 * fst_hostapd_get_sta(struct fst_get_peer_ctx **get_ctx,
+ Boolean mb_only)
+{
+ struct sta_info *s = (struct sta_info *) *get_ctx;
+
+ if (mb_only) {
+ for (; s && !s->mb_ies; s = s->next)
+ ;
+ }
+
+ if (s) {
+ *get_ctx = (struct fst_get_peer_ctx *) s->next;
+
+ return s->addr;
+ }
+
+ *get_ctx = NULL;
+ return NULL;
+}
+
+
+static const u8 * fst_hostapd_get_peer_first(void *ctx,
+ struct fst_get_peer_ctx **get_ctx,
+ Boolean mb_only)
+{
+ struct hostapd_data *hapd = ctx;
+
+ *get_ctx = (struct fst_get_peer_ctx *) hapd->sta_list;
+
+ return fst_hostapd_get_sta(get_ctx, mb_only);
+}
+
+
+static const u8 * fst_hostapd_get_peer_next(void *ctx,
+ struct fst_get_peer_ctx **get_ctx,
+ Boolean mb_only)
+{
+ return fst_hostapd_get_sta(get_ctx, mb_only);
+}
+
+
+void fst_hostapd_fill_iface_obj(struct hostapd_data *hapd,
+ struct fst_wpa_obj *iface_obj)
+{
+ iface_obj->ctx = hapd;
+ iface_obj->get_bssid = fst_hostapd_get_bssid_cb;
+ iface_obj->get_channel_info = fst_hostapd_get_channel_info_cb;
+ iface_obj->set_ies = fst_hostapd_set_ies_cb;
+ iface_obj->send_action = fst_hostapd_send_action_cb;
+ iface_obj->get_mb_ie = fst_hostapd_get_mb_ie_cb;
+ iface_obj->update_mb_ie = fst_hostapd_update_mb_ie_cb;
+ iface_obj->get_peer_first = fst_hostapd_get_peer_first;
+ iface_obj->get_peer_next = fst_hostapd_get_peer_next;
+}
+
+#endif /* CONFIG_FST */
+
+
+#ifdef NEED_AP_MLME
+static enum nr_chan_width hostapd_get_nr_chan_width(struct hostapd_data *hapd,
+ int ht, int vht)
+{
+ if (!ht && !vht)
+ return NR_CHAN_WIDTH_20;
+ if (!hapd->iconf->secondary_channel)
+ return NR_CHAN_WIDTH_20;
+ if (!vht || hapd->iconf->vht_oper_chwidth == VHT_CHANWIDTH_USE_HT)
+ return NR_CHAN_WIDTH_40;
+ if (hapd->iconf->vht_oper_chwidth == VHT_CHANWIDTH_80MHZ)
+ return NR_CHAN_WIDTH_80;
+ if (hapd->iconf->vht_oper_chwidth == VHT_CHANWIDTH_160MHZ)
+ return NR_CHAN_WIDTH_160;
+ if (hapd->iconf->vht_oper_chwidth == VHT_CHANWIDTH_80P80MHZ)
+ return NR_CHAN_WIDTH_80P80;
+ return NR_CHAN_WIDTH_20;
+}
+#endif /* NEED_AP_MLME */
+
+
+static void hostapd_set_own_neighbor_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;
+ struct wpa_ssid_value ssid;
+ u8 channel, op_class;
+ int center_freq1 = 0, center_freq2 = 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 */
+
+ ieee80211_freq_to_channel_ext(hapd->iface->freq,
+ hapd->iconf->secondary_channel,
+ hapd->iconf->vht_oper_chwidth,
+ &op_class, &channel);
+ width = hostapd_get_nr_chan_width(hapd, ht, vht);
+ if (vht) {
+ center_freq1 = ieee80211_chan_to_freq(
+ NULL, op_class,
+ hapd->iconf->vht_oper_centr_freq_seg0_idx);
+ if (width == NR_CHAN_WIDTH_80P80)
+ center_freq2 = ieee80211_chan_to_freq(
+ NULL, op_class,
+ hapd->iconf->vht_oper_centr_freq_seg1_idx);
+ } else if (ht) {
+ center_freq1 = hapd->iface->freq +
+ 10 * hapd->iconf->secondary_channel;
+ }
+
+ 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);
+ wpabuf_put_u8(nr, center_freq2);
+
+ hostapd_neighbor_set(hapd, hapd->own_addr, &ssid, nr, hapd->iconf->lci,
+ hapd->iconf->civic);
+
+ wpabuf_free(nr);
+#endif /* NEED_AP_MLME */
+}
+
+
+static int hostapd_setup_interface_complete_sync(struct hostapd_iface *iface,
+ int err)
+{
+ struct hostapd_data *hapd = iface->bss[0];
+ size_t j;
+ u8 *prev_addr;
+ int delay_apply_cfg = 0;
+ int res_dfs_offload = 0;
+
+ if (err)
+ goto fail;
+
+ wpa_printf(MSG_DEBUG, "Completing interface initialization");
+ if (iface->conf->channel) {
+#ifdef NEED_AP_MLME
+ int res;
+#endif /* NEED_AP_MLME */
+
+ iface->freq = hostapd_hw_get_freq(hapd, iface->conf->channel);
+ wpa_printf(MSG_DEBUG, "Mode: %s Channel: %d "
+ "Frequency: %d MHz",
+ hostapd_hw_mode_txt(iface->conf->hw_mode),
+ iface->conf->channel, iface->freq);
+
+#ifdef NEED_AP_MLME
+ /* Handle DFS only if it is not offloaded to the driver */
+ if (!(iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD)) {
+ /* Check DFS */
+ res = hostapd_handle_dfs(iface);
+ if (res <= 0) {
+ if (res < 0)
+ goto fail;
+ return res;
+ }
+ } else {
+ /* If DFS is offloaded to the driver */
+ res_dfs_offload = hostapd_handle_dfs_offload(iface);
+ if (res_dfs_offload <= 0) {
+ if (res_dfs_offload < 0)
+ goto fail;
+ } else {
+ wpa_printf(MSG_DEBUG,
+ "Proceed with AP/channel setup");
+ /*
+ * If this is a DFS channel, move to completing
+ * AP setup.
+ */
+ if (res_dfs_offload == 1)
+ goto dfs_offload;
+ /* Otherwise fall through. */
+ }
+ }
+#endif /* NEED_AP_MLME */
+
+#ifdef CONFIG_MESH
+ if (iface->mconf != NULL) {
+ wpa_printf(MSG_DEBUG,
+ "%s: Mesh configuration will be applied while joining the mesh network",
+ iface->bss[0]->conf->iface);
+ delay_apply_cfg = 1;
+ }
+#endif /* CONFIG_MESH */
+
+ if (!delay_apply_cfg &&
+ hostapd_set_freq(hapd, hapd->iconf->hw_mode, iface->freq,
+ hapd->iconf->channel,
+ hapd->iconf->ieee80211n,
+ hapd->iconf->ieee80211ac,
+ hapd->iconf->secondary_channel,
+ hapd->iconf->vht_oper_chwidth,
+ hapd->iconf->vht_oper_centr_freq_seg0_idx,
+ hapd->iconf->vht_oper_centr_freq_seg1_idx)) {
+ wpa_printf(MSG_ERROR, "Could not set channel for "
+ "kernel driver");
+ goto fail;
+ }
+ }
+
+ if (iface->current_mode) {
+ if (hostapd_prepare_rates(iface, iface->current_mode)) {
+ wpa_printf(MSG_ERROR, "Failed to prepare rates "
"table.");
hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_WARNING,
"Failed to prepare rates table.");
- return -1;
+ goto fail;
}
}
hostapd_set_rts(hapd, hapd->iconf->rts_threshold)) {
wpa_printf(MSG_ERROR, "Could not set RTS threshold for "
"kernel driver");
- return -1;
+ goto fail;
}
if (hapd->iconf->fragm_threshold > -1 &&
hostapd_set_frag(hapd, hapd->iconf->fragm_threshold)) {
wpa_printf(MSG_ERROR, "Could not set fragmentation threshold "
"for kernel driver");
- return -1;
+ goto fail;
}
prev_addr = hapd->own_addr;
hapd = iface->bss[j];
if (j)
os_memcpy(hapd->own_addr, prev_addr, ETH_ALEN);
- if (hostapd_setup_bss(hapd, j == 0))
- return -1;
- if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0)
+ if (hostapd_setup_bss(hapd, j == 0)) {
+ do {
+ hapd = iface->bss[j];
+ hostapd_bss_deinit_no_free(hapd);
+ hostapd_free_hapd_data(hapd);
+ } while (j-- > 0);
+ goto fail;
+ }
+ if (is_zero_ether_addr(hapd->conf->bssid))
prev_addr = hapd->own_addr;
}
+ hapd = iface->bss[0];
hostapd_tx_queue_params(iface);
ap_list_init(iface);
+ dl_list_init(&iface->sta_seen);
hostapd_set_acl(hapd);
if (hostapd_driver_commit(hapd) < 0) {
wpa_printf(MSG_ERROR, "%s: Failed to commit driver "
"configuration", __func__);
- return -1;
+ goto fail;
}
/*
*/
for (j = 0; j < iface->num_bss; j++) {
if (hostapd_init_wps_complete(iface->bss[j]))
- return -1;
+ goto fail;
+ }
+
+ if ((iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD) &&
+ !res_dfs_offload) {
+ /*
+ * If freq is DFS, and DFS is offloaded to the driver, then wait
+ * for CAC to complete.
+ */
+ wpa_printf(MSG_DEBUG, "%s: Wait for CAC to complete", __func__);
+ return res_dfs_offload;
+ }
+
+#ifdef NEED_AP_MLME
+dfs_offload:
+#endif /* NEED_AP_MLME */
+
+#ifdef CONFIG_FST
+ if (hapd->iconf->fst_cfg.group_id[0]) {
+ struct fst_wpa_obj iface_obj;
+
+ fst_hostapd_fill_iface_obj(hapd, &iface_obj);
+ iface->fst = fst_attach(hapd->conf->iface, hapd->own_addr,
+ &iface_obj, &hapd->iconf->fst_cfg);
+ if (!iface->fst) {
+ wpa_printf(MSG_ERROR, "Could not attach to FST %s",
+ hapd->iconf->fst_cfg.group_id);
+ goto fail;
+ }
}
+#endif /* CONFIG_FST */
+ hostapd_set_state(iface, HAPD_IFACE_ENABLED);
+ wpa_msg(iface->bss[0]->msg_ctx, MSG_INFO, AP_EVENT_ENABLED);
if (hapd->setup_complete_cb)
hapd->setup_complete_cb(hapd->setup_complete_cb_ctx);
wpa_printf(MSG_DEBUG, "%s: Setup of interface done.",
iface->bss[0]->conf->iface);
+ if (iface->interfaces && iface->interfaces->terminate_on_error > 0)
+ iface->interfaces->terminate_on_error--;
+
+ for (j = 0; j < iface->num_bss; j++)
+ hostapd_set_own_neighbor_report(iface->bss[j]);
+
+ return 0;
+
+fail:
+ wpa_printf(MSG_ERROR, "Interface initialization failed");
+ hostapd_set_state(iface, HAPD_IFACE_DISABLED);
+ wpa_msg(hapd->msg_ctx, MSG_INFO, AP_EVENT_DISABLED);
+#ifdef CONFIG_FST
+ if (iface->fst) {
+ fst_detach(iface->fst);
+ iface->fst = NULL;
+ }
+#endif /* CONFIG_FST */
+ if (iface->interfaces && iface->interfaces->terminate_on_error)
+ eloop_terminate();
+ return -1;
+}
+
+
+/**
+ * hostapd_setup_interface_complete - Complete interface setup
+ *
+ * This function is called when previous steps in the interface setup has been
+ * completed. This can also start operations, e.g., DFS, that will require
+ * additional processing before interface is ready to be enabled. Such
+ * operations will call this function from eloop callbacks when finished.
+ */
+int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err)
+{
+ struct hapd_interfaces *interfaces = iface->interfaces;
+ struct hostapd_data *hapd = iface->bss[0];
+ unsigned int i;
+ int not_ready_in_sync_ifaces = 0;
+
+ if (!iface->need_to_start_in_sync)
+ return hostapd_setup_interface_complete_sync(iface, err);
+
+ if (err) {
+ wpa_printf(MSG_ERROR, "Interface initialization failed");
+ hostapd_set_state(iface, HAPD_IFACE_DISABLED);
+ iface->need_to_start_in_sync = 0;
+ wpa_msg(hapd->msg_ctx, MSG_INFO, AP_EVENT_DISABLED);
+ if (interfaces && interfaces->terminate_on_error)
+ eloop_terminate();
+ return -1;
+ }
+
+ if (iface->ready_to_start_in_sync) {
+ /* Already in ready and waiting. should never happpen */
+ return 0;
+ }
+
+ for (i = 0; i < interfaces->count; i++) {
+ if (interfaces->iface[i]->need_to_start_in_sync &&
+ !interfaces->iface[i]->ready_to_start_in_sync)
+ not_ready_in_sync_ifaces++;
+ }
+
+ /*
+ * Check if this is the last interface, if yes then start all the other
+ * waiting interfaces. If not, add this interface to the waiting list.
+ */
+ if (not_ready_in_sync_ifaces > 1 && iface->state == HAPD_IFACE_DFS) {
+ /*
+ * If this interface went through CAC, do not synchronize, just
+ * start immediately.
+ */
+ iface->need_to_start_in_sync = 0;
+ wpa_printf(MSG_INFO,
+ "%s: Finished CAC - bypass sync and start interface",
+ iface->bss[0]->conf->iface);
+ return hostapd_setup_interface_complete_sync(iface, err);
+ }
+
+ if (not_ready_in_sync_ifaces > 1) {
+ /* need to wait as there are other interfaces still coming up */
+ iface->ready_to_start_in_sync = 1;
+ wpa_printf(MSG_INFO,
+ "%s: Interface waiting to sync with other interfaces",
+ iface->bss[0]->conf->iface);
+ return 0;
+ }
+
+ wpa_printf(MSG_INFO,
+ "%s: Last interface to sync - starting all interfaces",
+ iface->bss[0]->conf->iface);
+ iface->need_to_start_in_sync = 0;
+ hostapd_setup_interface_complete_sync(iface, err);
+ for (i = 0; i < interfaces->count; i++) {
+ if (interfaces->iface[i]->need_to_start_in_sync &&
+ interfaces->iface[i]->ready_to_start_in_sync) {
+ hostapd_setup_interface_complete_sync(
+ interfaces->iface[i], 0);
+ /* Only once the interfaces are sync started */
+ interfaces->iface[i]->need_to_start_in_sync = 0;
+ }
+ }
return 0;
}
* and sets driver parameters based on the configuration.
* Flushes old stations, sets the channel, encryption,
* beacons, and WDS links based on the configuration.
+ *
+ * If interface setup requires more time, e.g., to perform HT co-ex scans, ACS,
+ * or DFS operations, this function returns 0 before such operations have been
+ * completed. The pending operations are registered into eloop and will be
+ * completed from eloop callbacks. Those callbacks end up calling
+ * hostapd_setup_interface_complete() once setup has been completed.
*/
int hostapd_setup_interface(struct hostapd_iface *iface)
{
hapd->iface = hapd_iface;
hapd->driver = hapd->iconf->driver;
hapd->ctrl_sock = -1;
+ dl_list_init(&hapd->ctrl_dst);
+ dl_list_init(&hapd->nr_db);
return hapd;
}
+static void hostapd_bss_deinit(struct hostapd_data *hapd)
+{
+ if (!hapd)
+ return;
+ wpa_printf(MSG_DEBUG, "%s: deinit bss %s", __func__,
+ hapd->conf->iface);
+ hostapd_bss_deinit_no_free(hapd);
+ wpa_msg(hapd->msg_ctx, MSG_INFO, AP_EVENT_DISABLED);
+ hostapd_cleanup(hapd);
+}
+
+
void hostapd_interface_deinit(struct hostapd_iface *iface)
{
- size_t j;
+ int j;
+ wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
if (iface == NULL)
return;
- hostapd_cleanup_iface_pre(iface);
- for (j = 0; j < iface->num_bss; j++) {
- struct hostapd_data *hapd = iface->bss[j];
- hostapd_free_stas(hapd);
- hostapd_flush_old_stations(hapd, WLAN_REASON_DEAUTH_LEAVING);
- hostapd_clear_wep(hapd);
- hostapd_cleanup(hapd);
+ hostapd_set_state(iface, HAPD_IFACE_DISABLED);
+
+#ifdef CONFIG_IEEE80211N
+#ifdef NEED_AP_MLME
+ hostapd_stop_setup_timers(iface);
+ eloop_cancel_timeout(ap_ht2040_timeout, iface, NULL);
+#endif /* NEED_AP_MLME */
+#endif /* CONFIG_IEEE80211N */
+ eloop_cancel_timeout(channel_list_update_timeout, iface, NULL);
+ iface->wait_channel_update = 0;
+
+#ifdef CONFIG_FST
+ if (iface->fst) {
+ fst_detach(iface->fst);
+ iface->fst = NULL;
+ }
+#endif /* CONFIG_FST */
+
+ for (j = iface->num_bss - 1; j >= 0; j--) {
+ if (!iface->bss)
+ break;
+ hostapd_bss_deinit(iface->bss[j]);
}
}
void hostapd_interface_free(struct hostapd_iface *iface)
{
size_t j;
- for (j = 0; j < iface->num_bss; j++)
+ wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
+ for (j = 0; j < iface->num_bss; j++) {
+ if (!iface->bss)
+ break;
+ wpa_printf(MSG_DEBUG, "%s: free hapd %p",
+ __func__, iface->bss[j]);
os_free(iface->bss[j]);
+ }
hostapd_cleanup_iface(iface);
}
-#ifdef HOSTAPD
+/**
+ * hostapd_init - Allocate and initialize per-interface data
+ * @config_file: Path to the configuration file
+ * Returns: Pointer to the allocated interface data or %NULL on failure
+ *
+ * This function is used to allocate main data structures for per-interface
+ * data. The allocated data buffer will be freed by calling
+ * hostapd_cleanup_iface().
+ */
+struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
+ const char *config_file)
+{
+ struct hostapd_iface *hapd_iface = NULL;
+ struct hostapd_config *conf = NULL;
+ struct hostapd_data *hapd;
+ size_t i;
+
+ hapd_iface = os_zalloc(sizeof(*hapd_iface));
+ if (hapd_iface == NULL)
+ goto fail;
+
+ hapd_iface->config_fname = os_strdup(config_file);
+ if (hapd_iface->config_fname == NULL)
+ goto fail;
+
+ conf = interfaces->config_read_cb(hapd_iface->config_fname);
+ if (conf == NULL)
+ goto fail;
+ hapd_iface->conf = conf;
+
+ hapd_iface->num_bss = conf->num_bss;
+ hapd_iface->bss = os_calloc(conf->num_bss,
+ sizeof(struct hostapd_data *));
+ if (hapd_iface->bss == NULL)
+ goto fail;
+
+ for (i = 0; i < conf->num_bss; i++) {
+ hapd = hapd_iface->bss[i] =
+ hostapd_alloc_bss_data(hapd_iface, conf,
+ conf->bss[i]);
+ if (hapd == NULL)
+ goto fail;
+ hapd->msg_ctx = hapd;
+ }
+
+ return hapd_iface;
+
+fail:
+ wpa_printf(MSG_ERROR, "Failed to set up interface with %s",
+ config_file);
+ if (conf)
+ hostapd_config_free(conf);
+ if (hapd_iface) {
+ os_free(hapd_iface->config_fname);
+ os_free(hapd_iface->bss);
+ wpa_printf(MSG_DEBUG, "%s: free iface %p",
+ __func__, hapd_iface);
+ os_free(hapd_iface);
+ }
+ return NULL;
+}
+
+
+static int ifname_in_use(struct hapd_interfaces *interfaces, const char *ifname)
+{
+ size_t i, j;
+
+ for (i = 0; i < interfaces->count; i++) {
+ struct hostapd_iface *iface = interfaces->iface[i];
+ for (j = 0; j < iface->num_bss; j++) {
+ struct hostapd_data *hapd = iface->bss[j];
+ if (os_strcmp(ifname, hapd->conf->iface) == 0)
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+
+/**
+ * hostapd_interface_init_bss - Read configuration file and init BSS data
+ *
+ * This function is used to parse configuration file for a BSS. This BSS is
+ * added to an existing interface sharing the same radio (if any) or a new
+ * interface is created if this is the first interface on a radio. This
+ * allocate memory for the BSS. No actual driver operations are started.
+ *
+ * This is similar to hostapd_interface_init(), but for a case where the
+ * configuration is used to add a single BSS instead of all BSSes for a radio.
+ */
+struct hostapd_iface *
+hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
+ const char *config_fname, int debug)
+{
+ struct hostapd_iface *new_iface = NULL, *iface = NULL;
+ struct hostapd_data *hapd;
+ int k;
+ size_t i, bss_idx;
+
+ if (!phy || !*phy)
+ return NULL;
+
+ for (i = 0; i < interfaces->count; i++) {
+ if (os_strcmp(interfaces->iface[i]->phy, phy) == 0) {
+ iface = interfaces->iface[i];
+ break;
+ }
+ }
+
+ wpa_printf(MSG_INFO, "Configuration file: %s (phy %s)%s",
+ config_fname, phy, iface ? "" : " --> new PHY");
+ if (iface) {
+ struct hostapd_config *conf;
+ struct hostapd_bss_config **tmp_conf;
+ struct hostapd_data **tmp_bss;
+ struct hostapd_bss_config *bss;
+ const char *ifname;
+
+ /* Add new BSS to existing iface */
+ conf = interfaces->config_read_cb(config_fname);
+ if (conf == NULL)
+ return NULL;
+ if (conf->num_bss > 1) {
+ wpa_printf(MSG_ERROR, "Multiple BSSes specified in BSS-config");
+ hostapd_config_free(conf);
+ return NULL;
+ }
+
+ ifname = conf->bss[0]->iface;
+ if (ifname[0] != '\0' && ifname_in_use(interfaces, ifname)) {
+ wpa_printf(MSG_ERROR,
+ "Interface name %s already in use", ifname);
+ hostapd_config_free(conf);
+ return NULL;
+ }
+
+ tmp_conf = os_realloc_array(
+ iface->conf->bss, iface->conf->num_bss + 1,
+ sizeof(struct hostapd_bss_config *));
+ tmp_bss = os_realloc_array(iface->bss, iface->num_bss + 1,
+ sizeof(struct hostapd_data *));
+ if (tmp_bss)
+ iface->bss = tmp_bss;
+ if (tmp_conf) {
+ iface->conf->bss = tmp_conf;
+ iface->conf->last_bss = tmp_conf[0];
+ }
+ if (tmp_bss == NULL || tmp_conf == NULL) {
+ hostapd_config_free(conf);
+ return NULL;
+ }
+ bss = iface->conf->bss[iface->conf->num_bss] = conf->bss[0];
+ iface->conf->num_bss++;
+
+ hapd = hostapd_alloc_bss_data(iface, iface->conf, bss);
+ if (hapd == NULL) {
+ iface->conf->num_bss--;
+ hostapd_config_free(conf);
+ return NULL;
+ }
+ iface->conf->last_bss = bss;
+ iface->bss[iface->num_bss] = hapd;
+ hapd->msg_ctx = hapd;
+
+ bss_idx = iface->num_bss++;
+ conf->num_bss--;
+ conf->bss[0] = NULL;
+ hostapd_config_free(conf);
+ } else {
+ /* Add a new iface with the first BSS */
+ new_iface = iface = hostapd_init(interfaces, config_fname);
+ if (!iface)
+ return NULL;
+ os_strlcpy(iface->phy, phy, sizeof(iface->phy));
+ iface->interfaces = interfaces;
+ bss_idx = 0;
+ }
+
+ for (k = 0; k < debug; k++) {
+ if (iface->bss[bss_idx]->conf->logger_stdout_level > 0)
+ iface->bss[bss_idx]->conf->logger_stdout_level--;
+ }
+
+ if (iface->conf->bss[bss_idx]->iface[0] == '\0' &&
+ !hostapd_drv_none(iface->bss[bss_idx])) {
+ wpa_printf(MSG_ERROR, "Interface name not specified in %s",
+ config_fname);
+ if (new_iface)
+ hostapd_interface_deinit_free(new_iface);
+ return NULL;
+ }
+
+ return iface;
+}
+
void hostapd_interface_deinit_free(struct hostapd_iface *iface)
{
const struct wpa_driver_ops *driver;
void *drv_priv;
+
+ wpa_printf(MSG_DEBUG, "%s(%p)", __func__, iface);
if (iface == NULL)
return;
+ wpa_printf(MSG_DEBUG, "%s: num_bss=%u conf->num_bss=%u",
+ __func__, (unsigned int) iface->num_bss,
+ (unsigned int) iface->conf->num_bss);
driver = iface->bss[0]->driver;
drv_priv = iface->bss[0]->drv_priv;
hostapd_interface_deinit(iface);
- if (driver && driver->hapd_deinit && drv_priv)
+ wpa_printf(MSG_DEBUG, "%s: driver=%p drv_priv=%p -> hapd_deinit",
+ __func__, driver, drv_priv);
+ if (driver && driver->hapd_deinit && drv_priv) {
driver->hapd_deinit(drv_priv);
+ iface->bss[0]->drv_priv = NULL;
+ }
hostapd_interface_free(iface);
}
+static void hostapd_deinit_driver(const struct wpa_driver_ops *driver,
+ void *drv_priv,
+ struct hostapd_iface *hapd_iface)
+{
+ size_t j;
+
+ wpa_printf(MSG_DEBUG, "%s: driver=%p drv_priv=%p -> hapd_deinit",
+ __func__, driver, drv_priv);
+ if (driver && driver->hapd_deinit && drv_priv) {
+ driver->hapd_deinit(drv_priv);
+ for (j = 0; j < hapd_iface->num_bss; j++) {
+ wpa_printf(MSG_DEBUG, "%s:bss[%d]->drv_priv=%p",
+ __func__, (int) j,
+ hapd_iface->bss[j]->drv_priv);
+ if (hapd_iface->bss[j]->drv_priv == drv_priv)
+ hapd_iface->bss[j]->drv_priv = NULL;
+ }
+ }
+}
+
+
int hostapd_enable_iface(struct hostapd_iface *hapd_iface)
{
+ size_t j;
+
if (hapd_iface->bss[0]->drv_priv != NULL) {
wpa_printf(MSG_ERROR, "Interface %s already enabled",
- hapd_iface->conf->bss[0].iface);
+ hapd_iface->conf->bss[0]->iface);
return -1;
}
wpa_printf(MSG_DEBUG, "Enable interface %s",
- hapd_iface->conf->bss[0].iface);
+ hapd_iface->conf->bss[0]->iface);
+
+ for (j = 0; j < hapd_iface->num_bss; j++)
+ hostapd_set_security_params(hapd_iface->conf->bss[j], 1);
+ if (hostapd_config_check(hapd_iface->conf, 1) < 0) {
+ wpa_printf(MSG_INFO, "Invalid configuration - cannot enable");
+ return -1;
+ }
if (hapd_iface->interfaces == NULL ||
hapd_iface->interfaces->driver_init == NULL ||
- hapd_iface->interfaces->driver_init(hapd_iface) ||
- hostapd_setup_interface(hapd_iface)) {
- hostapd_interface_deinit_free(hapd_iface);
+ hapd_iface->interfaces->driver_init(hapd_iface))
+ return -1;
+
+ if (hostapd_setup_interface(hapd_iface)) {
+ hostapd_deinit_driver(hapd_iface->bss[0]->driver,
+ hapd_iface->bss[0]->drv_priv,
+ hapd_iface);
return -1;
}
+
return 0;
}
size_t j;
wpa_printf(MSG_DEBUG, "Reload interface %s",
- hapd_iface->conf->bss[0].iface);
- for (j = 0; j < hapd_iface->num_bss; j++) {
- hostapd_flush_old_stations(hapd_iface->bss[j],
- WLAN_REASON_PREV_AUTH_NOT_VALID);
-
-#ifndef CONFIG_NO_RADIUS
- /* TODO: update dynamic data based on changed configuration
- * items (e.g., open/close sockets, etc.) */
- radius_client_flush(hapd_iface->bss[j]->radius, 0);
-#endif /* CONFIG_NO_RADIUS */
-
- hostapd_reload_bss(hapd_iface->bss[j]);
+ hapd_iface->conf->bss[0]->iface);
+ for (j = 0; j < hapd_iface->num_bss; j++)
+ hostapd_set_security_params(hapd_iface->conf->bss[j], 1);
+ if (hostapd_config_check(hapd_iface->conf, 1) < 0) {
+ wpa_printf(MSG_ERROR, "Updated configuration is invalid");
+ return -1;
}
+ hostapd_clear_old(hapd_iface);
+ for (j = 0; j < hapd_iface->num_bss; j++)
+ hostapd_reload_bss(hapd_iface->bss[j]);
+
return 0;
}
int hostapd_disable_iface(struct hostapd_iface *hapd_iface)
{
size_t j;
- struct hostapd_bss_config *bss;
const struct wpa_driver_ops *driver;
void *drv_priv;
if (hapd_iface == NULL)
return -1;
- bss = hapd_iface->bss[0]->conf;
+
+ if (hapd_iface->bss[0]->drv_priv == NULL) {
+ wpa_printf(MSG_INFO, "Interface %s already disabled",
+ hapd_iface->conf->bss[0]->iface);
+ return -1;
+ }
+
+ wpa_msg(hapd_iface->bss[0]->msg_ctx, MSG_INFO, AP_EVENT_DISABLED);
driver = hapd_iface->bss[0]->driver;
drv_priv = hapd_iface->bss[0]->drv_priv;
- /* whatever hostapd_interface_deinit does */
+ hapd_iface->driver_ap_teardown =
+ !!(hapd_iface->drv_flags &
+ WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
+
+ /* same as hostapd_interface_deinit without deinitializing ctrl-iface */
for (j = 0; j < hapd_iface->num_bss; j++) {
struct hostapd_data *hapd = hapd_iface->bss[j];
- hostapd_free_stas(hapd);
- hostapd_flush_old_stations(hapd, WLAN_REASON_DEAUTH_LEAVING);
- hostapd_clear_wep(hapd);
+ hostapd_bss_deinit_no_free(hapd);
hostapd_free_hapd_data(hapd);
}
- if (driver && driver->hapd_deinit && drv_priv) {
- driver->hapd_deinit(drv_priv);
- hapd_iface->bss[0]->drv_priv = NULL;
- }
+ hostapd_deinit_driver(driver, drv_priv, hapd_iface);
/* From hostapd_cleanup_iface: These were initialized in
* hostapd_setup_interface and hostapd_setup_interface_complete
*/
hostapd_cleanup_iface_partial(hapd_iface);
- wpa_printf(MSG_DEBUG, "Interface %s disabled", bss->iface);
+ wpa_printf(MSG_DEBUG, "Interface %s disabled",
+ hapd_iface->bss[0]->conf->iface);
+ hostapd_set_state(hapd_iface, HAPD_IFACE_DISABLED);
return 0;
}
static struct hostapd_config *
hostapd_config_alloc(struct hapd_interfaces *interfaces, const char *ifname,
- const char *ctrl_iface)
+ const char *ctrl_iface, const char *driver)
{
struct hostapd_bss_config *bss;
struct hostapd_config *conf;
return NULL;
}
+ if (driver) {
+ int j;
+
+ for (j = 0; wpa_drivers[j]; j++) {
+ if (os_strcmp(driver, wpa_drivers[j]->name) == 0) {
+ conf->driver = wpa_drivers[j];
+ goto skip;
+ }
+ }
+
+ wpa_printf(MSG_ERROR,
+ "Invalid/unknown driver '%s' - registering the default driver",
+ driver);
+ }
+
conf->driver = wpa_drivers[0];
if (conf->driver == NULL) {
wpa_printf(MSG_ERROR, "No driver wrappers registered!");
return NULL;
}
- bss = conf->last_bss = conf->bss;
+skip:
+ bss = conf->last_bss = conf->bss[0];
os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
bss->ctrl_interface = os_strdup(ctrl_iface);
}
-static struct hostapd_iface * hostapd_data_alloc(
- struct hapd_interfaces *interfaces, struct hostapd_config *conf)
+static int hostapd_data_alloc(struct hostapd_iface *hapd_iface,
+ struct hostapd_config *conf)
{
size_t i;
- struct hostapd_iface *hapd_iface =
- interfaces->iface[interfaces->count - 1];
struct hostapd_data *hapd;
- hapd_iface->conf = conf;
- hapd_iface->num_bss = conf->num_bss;
-
- hapd_iface->bss = os_zalloc(conf->num_bss *
+ hapd_iface->bss = os_calloc(conf->num_bss,
sizeof(struct hostapd_data *));
if (hapd_iface->bss == NULL)
- return NULL;
+ return -1;
for (i = 0; i < conf->num_bss; i++) {
hapd = hapd_iface->bss[i] =
- hostapd_alloc_bss_data(hapd_iface, conf,
- &conf->bss[i]);
- if (hapd == NULL)
- return NULL;
+ hostapd_alloc_bss_data(hapd_iface, conf, conf->bss[i]);
+ if (hapd == NULL) {
+ while (i > 0) {
+ i--;
+ os_free(hapd_iface->bss[i]);
+ hapd_iface->bss[i] = NULL;
+ }
+ os_free(hapd_iface->bss);
+ hapd_iface->bss = NULL;
+ return -1;
+ }
hapd->msg_ctx = hapd;
}
- hapd_iface->interfaces = interfaces;
+ hapd_iface->conf = conf;
+ hapd_iface->num_bss = conf->num_bss;
- return hapd_iface;
+ return 0;
}
int hostapd_add_iface(struct hapd_interfaces *interfaces, char *buf)
{
struct hostapd_config *conf = NULL;
- struct hostapd_iface *hapd_iface = NULL;
+ struct hostapd_iface *hapd_iface = NULL, *new_iface = NULL;
+ struct hostapd_data *hapd;
char *ptr;
- size_t i;
- const char *conf_file = NULL;
+ size_t i, j;
+ const char *conf_file = NULL, *phy_name = NULL;
+
+ if (os_strncmp(buf, "bss_config=", 11) == 0) {
+ char *pos;
+ phy_name = buf + 11;
+ pos = os_strchr(phy_name, ':');
+ if (!pos)
+ return -1;
+ *pos++ = '\0';
+ conf_file = pos;
+ if (!os_strlen(conf_file))
+ return -1;
+
+ hapd_iface = hostapd_interface_init_bss(interfaces, phy_name,
+ conf_file, 0);
+ if (!hapd_iface)
+ return -1;
+ for (j = 0; j < interfaces->count; j++) {
+ if (interfaces->iface[j] == hapd_iface)
+ break;
+ }
+ if (j == interfaces->count) {
+ struct hostapd_iface **tmp;
+ tmp = os_realloc_array(interfaces->iface,
+ interfaces->count + 1,
+ sizeof(struct hostapd_iface *));
+ if (!tmp) {
+ hostapd_interface_deinit_free(hapd_iface);
+ return -1;
+ }
+ interfaces->iface = tmp;
+ interfaces->iface[interfaces->count++] = hapd_iface;
+ new_iface = hapd_iface;
+ }
+
+ if (new_iface) {
+ if (interfaces->driver_init(hapd_iface))
+ goto fail;
+
+ if (hostapd_setup_interface(hapd_iface)) {
+ hostapd_deinit_driver(
+ hapd_iface->bss[0]->driver,
+ hapd_iface->bss[0]->drv_priv,
+ hapd_iface);
+ goto fail;
+ }
+ } else {
+ /* Assign new BSS with bss[0]'s driver info */
+ hapd = hapd_iface->bss[hapd_iface->num_bss - 1];
+ hapd->driver = hapd_iface->bss[0]->driver;
+ hapd->drv_priv = hapd_iface->bss[0]->drv_priv;
+ os_memcpy(hapd->own_addr, hapd_iface->bss[0]->own_addr,
+ ETH_ALEN);
+
+ if (start_ctrl_iface_bss(hapd) < 0 ||
+ (hapd_iface->state == HAPD_IFACE_ENABLED &&
+ hostapd_setup_bss(hapd, -1))) {
+ hostapd_cleanup(hapd);
+ hapd_iface->bss[hapd_iface->num_bss - 1] = NULL;
+ hapd_iface->conf->num_bss--;
+ hapd_iface->num_bss--;
+ wpa_printf(MSG_DEBUG, "%s: free hapd %p %s",
+ __func__, hapd, hapd->conf->iface);
+ hostapd_config_free_bss(hapd->conf);
+ hapd->conf = NULL;
+ os_free(hapd);
+ return -1;
+ }
+ }
+ return 0;
+ }
ptr = os_strchr(buf, ' ');
if (ptr == NULL)
conf_file = ptr + 7;
for (i = 0; i < interfaces->count; i++) {
- if (!os_strcmp(interfaces->iface[i]->conf->bss[0].iface,
+ if (!os_strcmp(interfaces->iface[i]->conf->bss[0]->iface,
buf)) {
wpa_printf(MSG_INFO, "Cannot add interface - it "
"already exists");
"for interface", __func__);
goto fail;
}
+ new_iface = hapd_iface;
if (conf_file && interfaces->config_read_cb) {
conf = interfaces->config_read_cb(conf_file);
if (conf && conf->bss)
- os_strlcpy(conf->bss->iface, buf,
- sizeof(conf->bss->iface));
- } else
- conf = hostapd_config_alloc(interfaces, buf, ptr);
+ os_strlcpy(conf->bss[0]->iface, buf,
+ sizeof(conf->bss[0]->iface));
+ } else {
+ char *driver = os_strchr(ptr, ' ');
+
+ if (driver)
+ *driver++ = '\0';
+ conf = hostapd_config_alloc(interfaces, buf, ptr, driver);
+ }
+
if (conf == NULL || conf->bss == NULL) {
wpa_printf(MSG_ERROR, "%s: Failed to allocate memory "
"for configuration", __func__);
goto fail;
}
- hapd_iface = hostapd_data_alloc(interfaces, conf);
- if (hapd_iface == NULL) {
+ if (hostapd_data_alloc(hapd_iface, conf) < 0) {
wpa_printf(MSG_ERROR, "%s: Failed to allocate memory "
"for hostapd", __func__);
goto fail;
}
+ conf = NULL;
- if (hapd_iface->interfaces &&
- hapd_iface->interfaces->ctrl_iface_init &&
- hapd_iface->interfaces->ctrl_iface_init(hapd_iface->bss[0])) {
- wpa_printf(MSG_ERROR, "%s: Failed to setup control "
- "interface", __func__);
+ if (start_ctrl_iface(hapd_iface) < 0)
goto fail;
- }
- wpa_printf(MSG_INFO, "Add interface '%s'", conf->bss[0].iface);
+
+ wpa_printf(MSG_INFO, "Add interface '%s'",
+ hapd_iface->conf->bss[0]->iface);
return 0;
if (conf)
hostapd_config_free(conf);
if (hapd_iface) {
- os_free(hapd_iface->bss[interfaces->count]);
- os_free(hapd_iface);
+ if (hapd_iface->bss) {
+ for (i = 0; i < hapd_iface->num_bss; i++) {
+ hapd = hapd_iface->bss[i];
+ if (!hapd)
+ continue;
+ if (hapd_iface->interfaces &&
+ hapd_iface->interfaces->ctrl_iface_deinit)
+ hapd_iface->interfaces->
+ ctrl_iface_deinit(hapd);
+ wpa_printf(MSG_DEBUG, "%s: free hapd %p (%s)",
+ __func__, hapd_iface->bss[i],
+ hapd->conf->iface);
+ hostapd_cleanup(hapd);
+ os_free(hapd);
+ hapd_iface->bss[i] = NULL;
+ }
+ os_free(hapd_iface->bss);
+ hapd_iface->bss = NULL;
+ }
+ if (new_iface) {
+ interfaces->count--;
+ interfaces->iface[interfaces->count] = NULL;
+ }
+ hostapd_cleanup_iface(hapd_iface);
}
return -1;
}
+static int hostapd_remove_bss(struct hostapd_iface *iface, unsigned int idx)
+{
+ size_t i;
+
+ wpa_printf(MSG_INFO, "Remove BSS '%s'", iface->conf->bss[idx]->iface);
+
+ /* Remove hostapd_data only if it has already been initialized */
+ if (idx < iface->num_bss) {
+ struct hostapd_data *hapd = iface->bss[idx];
+
+ hostapd_bss_deinit(hapd);
+ wpa_printf(MSG_DEBUG, "%s: free hapd %p (%s)",
+ __func__, hapd, hapd->conf->iface);
+ hostapd_config_free_bss(hapd->conf);
+ hapd->conf = NULL;
+ os_free(hapd);
+
+ iface->num_bss--;
+
+ for (i = idx; i < iface->num_bss; i++)
+ iface->bss[i] = iface->bss[i + 1];
+ } else {
+ hostapd_config_free_bss(iface->conf->bss[idx]);
+ iface->conf->bss[idx] = NULL;
+ }
+
+ iface->conf->num_bss--;
+ for (i = idx; i < iface->conf->num_bss; i++)
+ iface->conf->bss[i] = iface->conf->bss[i + 1];
+
+ return 0;
+}
+
+
int hostapd_remove_iface(struct hapd_interfaces *interfaces, char *buf)
{
struct hostapd_iface *hapd_iface;
- size_t i, k = 0;
+ size_t i, j, k = 0;
for (i = 0; i < interfaces->count; i++) {
hapd_iface = interfaces->iface[i];
if (hapd_iface == NULL)
return -1;
- if (!os_strcmp(hapd_iface->conf->bss[0].iface, buf)) {
+ if (!os_strcmp(hapd_iface->conf->bss[0]->iface, buf)) {
wpa_printf(MSG_INFO, "Remove interface '%s'", buf);
+ hapd_iface->driver_ap_teardown =
+ !!(hapd_iface->drv_flags &
+ WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
+
hostapd_interface_deinit_free(hapd_iface);
k = i;
while (k < (interfaces->count - 1)) {
interfaces->count--;
return 0;
}
+
+ for (j = 0; j < hapd_iface->conf->num_bss; j++) {
+ if (!os_strcmp(hapd_iface->conf->bss[j]->iface, buf)) {
+ hapd_iface->driver_ap_teardown =
+ !(hapd_iface->drv_flags &
+ WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
+ return hostapd_remove_bss(hapd_iface, j);
+ }
+ }
}
return -1;
}
-#endif /* HOSTAPD */
-
/**
* hostapd_new_assoc_sta - Notify that a new station associated with the AP
}
hostapd_prune_associations(hapd, sta->addr);
+ ap_sta_clear_disconnect_timeouts(hapd, sta);
/* IEEE 802.11F (IAPP) */
if (hapd->conf->ieee802_11f)
/* Start accounting here, if IEEE 802.1X and WPA are not used.
* IEEE 802.1X/WPA code will start accounting after the station has
* been authorized. */
- if (!hapd->conf->ieee802_1x && !hapd->conf->wpa) {
- os_get_time(&sta->connected_time);
+ if (!hapd->conf->ieee802_1x && !hapd->conf->wpa && !hapd->conf->osen) {
+ ap_sta_set_authorized(hapd, sta, 1);
+ os_get_reltime(&sta->connected_time);
accounting_sta_start(hapd, sta);
}
} else
wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm);
- wpa_printf(MSG_DEBUG, "%s: reschedule ap_handle_timer timeout "
- "for " MACSTR " (%d seconds - ap_max_inactivity)",
- __func__, MAC2STR(sta->addr),
- hapd->conf->ap_max_inactivity);
- eloop_cancel_timeout(ap_handle_timer, hapd, sta);
- eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
- ap_handle_timer, hapd, sta);
+ if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER)) {
+ wpa_printf(MSG_DEBUG,
+ "%s: %s: reschedule ap_handle_timer timeout for "
+ MACSTR " (%d seconds - ap_max_inactivity)",
+ hapd->conf->iface, __func__, MAC2STR(sta->addr),
+ hapd->conf->ap_max_inactivity);
+ eloop_cancel_timeout(ap_handle_timer, hapd, sta);
+ eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
+ ap_handle_timer, hapd, sta);
+ }
+}
+
+
+const char * hostapd_state_text(enum hostapd_iface_state s)
+{
+ switch (s) {
+ case HAPD_IFACE_UNINITIALIZED:
+ return "UNINITIALIZED";
+ case HAPD_IFACE_DISABLED:
+ return "DISABLED";
+ case HAPD_IFACE_COUNTRY_UPDATE:
+ return "COUNTRY_UPDATE";
+ case HAPD_IFACE_ACS:
+ return "ACS";
+ case HAPD_IFACE_HT_SCAN:
+ return "HT_SCAN";
+ case HAPD_IFACE_DFS:
+ return "DFS";
+ case HAPD_IFACE_ENABLED:
+ return "ENABLED";
+ }
+
+ return "UNKNOWN";
+}
+
+
+void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s)
+{
+ wpa_printf(MSG_INFO, "%s: interface state %s->%s",
+ iface->conf ? iface->conf->bss[0]->iface : "N/A",
+ hostapd_state_text(iface->state), hostapd_state_text(s));
+ iface->state = s;
+}
+
+
+int hostapd_csa_in_progress(struct hostapd_iface *iface)
+{
+ unsigned int i;
+
+ for (i = 0; i < iface->num_bss; i++)
+ if (iface->bss[i]->csa_in_progress)
+ return 1;
+ return 0;
+}
+
+
+#ifdef NEED_AP_MLME
+
+static void free_beacon_data(struct beacon_data *beacon)
+{
+ os_free(beacon->head);
+ beacon->head = NULL;
+ os_free(beacon->tail);
+ beacon->tail = NULL;
+ os_free(beacon->probe_resp);
+ beacon->probe_resp = NULL;
+ os_free(beacon->beacon_ies);
+ beacon->beacon_ies = NULL;
+ os_free(beacon->proberesp_ies);
+ beacon->proberesp_ies = NULL;
+ os_free(beacon->assocresp_ies);
+ beacon->assocresp_ies = NULL;
+}
+
+
+static int hostapd_build_beacon_data(struct hostapd_data *hapd,
+ struct beacon_data *beacon)
+{
+ struct wpabuf *beacon_extra, *proberesp_extra, *assocresp_extra;
+ struct wpa_driver_ap_params params;
+ int ret;
+
+ os_memset(beacon, 0, sizeof(*beacon));
+ ret = ieee802_11_build_ap_params(hapd, ¶ms);
+ if (ret < 0)
+ return ret;
+
+ ret = hostapd_build_ap_extra_ies(hapd, &beacon_extra,
+ &proberesp_extra,
+ &assocresp_extra);
+ if (ret)
+ goto free_ap_params;
+
+ ret = -1;
+ beacon->head = os_malloc(params.head_len);
+ if (!beacon->head)
+ goto free_ap_extra_ies;
+
+ os_memcpy(beacon->head, params.head, params.head_len);
+ beacon->head_len = params.head_len;
+
+ beacon->tail = os_malloc(params.tail_len);
+ if (!beacon->tail)
+ goto free_beacon;
+
+ os_memcpy(beacon->tail, params.tail, params.tail_len);
+ beacon->tail_len = params.tail_len;
+
+ if (params.proberesp != NULL) {
+ beacon->probe_resp = os_malloc(params.proberesp_len);
+ if (!beacon->probe_resp)
+ goto free_beacon;
+
+ os_memcpy(beacon->probe_resp, params.proberesp,
+ params.proberesp_len);
+ beacon->probe_resp_len = params.proberesp_len;
+ }
+
+ /* copy the extra ies */
+ if (beacon_extra) {
+ beacon->beacon_ies = os_malloc(wpabuf_len(beacon_extra));
+ if (!beacon->beacon_ies)
+ goto free_beacon;
+
+ os_memcpy(beacon->beacon_ies,
+ beacon_extra->buf, wpabuf_len(beacon_extra));
+ beacon->beacon_ies_len = wpabuf_len(beacon_extra);
+ }
+
+ if (proberesp_extra) {
+ beacon->proberesp_ies =
+ os_malloc(wpabuf_len(proberesp_extra));
+ if (!beacon->proberesp_ies)
+ goto free_beacon;
+
+ os_memcpy(beacon->proberesp_ies, proberesp_extra->buf,
+ wpabuf_len(proberesp_extra));
+ beacon->proberesp_ies_len = wpabuf_len(proberesp_extra);
+ }
+
+ if (assocresp_extra) {
+ beacon->assocresp_ies =
+ os_malloc(wpabuf_len(assocresp_extra));
+ if (!beacon->assocresp_ies)
+ goto free_beacon;
+
+ os_memcpy(beacon->assocresp_ies, assocresp_extra->buf,
+ wpabuf_len(assocresp_extra));
+ beacon->assocresp_ies_len = wpabuf_len(assocresp_extra);
+ }
+
+ ret = 0;
+free_beacon:
+ /* if the function fails, the caller should not free beacon data */
+ if (ret)
+ free_beacon_data(beacon);
+
+free_ap_extra_ies:
+ hostapd_free_ap_extra_ies(hapd, beacon_extra, proberesp_extra,
+ assocresp_extra);
+free_ap_params:
+ ieee802_11_free_ap_params(¶ms);
+ return ret;
+}
+
+
+/*
+ * TODO: This flow currently supports only changing channel and width within
+ * the same hw_mode. Any other changes to MAC parameters or provided settings
+ * are not supported.
+ */
+static int hostapd_change_config_freq(struct hostapd_data *hapd,
+ struct hostapd_config *conf,
+ struct hostapd_freq_params *params,
+ struct hostapd_freq_params *old_params)
+{
+ int channel;
+
+ if (!params->channel) {
+ /* check if the new channel is supported by hw */
+ params->channel = hostapd_hw_get_channel(hapd, params->freq);
+ }
+
+ channel = params->channel;
+ if (!channel)
+ return -1;
+
+ /* if a pointer to old_params is provided we save previous state */
+ if (old_params &&
+ hostapd_set_freq_params(old_params, conf->hw_mode,
+ hostapd_hw_get_freq(hapd, conf->channel),
+ conf->channel, conf->ieee80211n,
+ conf->ieee80211ac,
+ conf->secondary_channel,
+ conf->vht_oper_chwidth,
+ conf->vht_oper_centr_freq_seg0_idx,
+ conf->vht_oper_centr_freq_seg1_idx,
+ conf->vht_capab))
+ return -1;
+
+ switch (params->bandwidth) {
+ case 0:
+ case 20:
+ case 40:
+ conf->vht_oper_chwidth = VHT_CHANWIDTH_USE_HT;
+ break;
+ case 80:
+ if (params->center_freq2)
+ conf->vht_oper_chwidth = VHT_CHANWIDTH_80P80MHZ;
+ else
+ conf->vht_oper_chwidth = VHT_CHANWIDTH_80MHZ;
+ break;
+ case 160:
+ conf->vht_oper_chwidth = VHT_CHANWIDTH_160MHZ;
+ break;
+ default:
+ return -1;
+ }
+
+ conf->channel = channel;
+ conf->ieee80211n = params->ht_enabled;
+ conf->secondary_channel = params->sec_channel_offset;
+ ieee80211_freq_to_chan(params->center_freq1,
+ &conf->vht_oper_centr_freq_seg0_idx);
+ ieee80211_freq_to_chan(params->center_freq2,
+ &conf->vht_oper_centr_freq_seg1_idx);
+
+ /* TODO: maybe call here hostapd_config_check here? */
+
+ return 0;
+}
+
+
+static int hostapd_fill_csa_settings(struct hostapd_data *hapd,
+ struct csa_settings *settings)
+{
+ struct hostapd_iface *iface = hapd->iface;
+ struct hostapd_freq_params old_freq;
+ int ret;
+ u8 chan, vht_bandwidth;
+
+ os_memset(&old_freq, 0, sizeof(old_freq));
+ if (!iface || !iface->freq || hapd->csa_in_progress)
+ return -1;
+
+ switch (settings->freq_params.bandwidth) {
+ case 80:
+ if (settings->freq_params.center_freq2)
+ vht_bandwidth = VHT_CHANWIDTH_80P80MHZ;
+ else
+ vht_bandwidth = VHT_CHANWIDTH_80MHZ;
+ break;
+ case 160:
+ vht_bandwidth = VHT_CHANWIDTH_160MHZ;
+ break;
+ default:
+ vht_bandwidth = VHT_CHANWIDTH_USE_HT;
+ break;
+ }
+
+ if (ieee80211_freq_to_channel_ext(
+ settings->freq_params.freq,
+ settings->freq_params.sec_channel_offset,
+ vht_bandwidth,
+ &hapd->iface->cs_oper_class,
+ &chan) == NUM_HOSTAPD_MODES) {
+ wpa_printf(MSG_DEBUG,
+ "invalid frequency for channel switch (freq=%d, sec_channel_offset=%d, vht_enabled=%d)",
+ settings->freq_params.freq,
+ settings->freq_params.sec_channel_offset,
+ settings->freq_params.vht_enabled);
+ return -1;
+ }
+
+ settings->freq_params.channel = chan;
+
+ ret = hostapd_change_config_freq(iface->bss[0], iface->conf,
+ &settings->freq_params,
+ &old_freq);
+ if (ret)
+ return ret;
+
+ ret = hostapd_build_beacon_data(hapd, &settings->beacon_after);
+
+ /* change back the configuration */
+ hostapd_change_config_freq(iface->bss[0], iface->conf,
+ &old_freq, NULL);
+
+ if (ret)
+ return ret;
+
+ /* set channel switch parameters for csa ie */
+ hapd->cs_freq_params = settings->freq_params;
+ hapd->cs_count = settings->cs_count;
+ hapd->cs_block_tx = settings->block_tx;
+
+ ret = hostapd_build_beacon_data(hapd, &settings->beacon_csa);
+ if (ret) {
+ free_beacon_data(&settings->beacon_after);
+ return ret;
+ }
+
+ settings->counter_offset_beacon[0] = hapd->cs_c_off_beacon;
+ settings->counter_offset_presp[0] = hapd->cs_c_off_proberesp;
+ settings->counter_offset_beacon[1] = hapd->cs_c_off_ecsa_beacon;
+ settings->counter_offset_presp[1] = hapd->cs_c_off_ecsa_proberesp;
+
+ return 0;
+}
+
+
+void hostapd_cleanup_cs_params(struct hostapd_data *hapd)
+{
+ os_memset(&hapd->cs_freq_params, 0, sizeof(hapd->cs_freq_params));
+ hapd->cs_count = 0;
+ hapd->cs_block_tx = 0;
+ hapd->cs_c_off_beacon = 0;
+ hapd->cs_c_off_proberesp = 0;
+ hapd->csa_in_progress = 0;
+ hapd->cs_c_off_ecsa_beacon = 0;
+ hapd->cs_c_off_ecsa_proberesp = 0;
+}
+
+
+int hostapd_switch_channel(struct hostapd_data *hapd,
+ struct csa_settings *settings)
+{
+ int ret;
+
+ if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_CSA)) {
+ wpa_printf(MSG_INFO, "CSA is not supported");
+ return -1;
+ }
+
+ ret = hostapd_fill_csa_settings(hapd, settings);
+ if (ret)
+ return ret;
+
+ ret = hostapd_drv_switch_channel(hapd, settings);
+ free_beacon_data(&settings->beacon_csa);
+ free_beacon_data(&settings->beacon_after);
+
+ if (ret) {
+ /* if we failed, clean cs parameters */
+ hostapd_cleanup_cs_params(hapd);
+ return ret;
+ }
+
+ hapd->csa_in_progress = 1;
+ return 0;
+}
+
+
+void
+hostapd_switch_channel_fallback(struct hostapd_iface *iface,
+ const struct hostapd_freq_params *freq_params)
+{
+ int vht_seg0_idx = 0, vht_seg1_idx = 0, vht_bw = VHT_CHANWIDTH_USE_HT;
+ unsigned int i;
+
+ wpa_printf(MSG_DEBUG, "Restarting all CSA-related BSSes");
+
+ if (freq_params->center_freq1)
+ vht_seg0_idx = 36 + (freq_params->center_freq1 - 5180) / 5;
+ if (freq_params->center_freq2)
+ vht_seg1_idx = 36 + (freq_params->center_freq2 - 5180) / 5;
+
+ switch (freq_params->bandwidth) {
+ case 0:
+ case 20:
+ case 40:
+ vht_bw = VHT_CHANWIDTH_USE_HT;
+ break;
+ case 80:
+ if (freq_params->center_freq2)
+ vht_bw = VHT_CHANWIDTH_80P80MHZ;
+ else
+ vht_bw = VHT_CHANWIDTH_80MHZ;
+ break;
+ case 160:
+ vht_bw = VHT_CHANWIDTH_160MHZ;
+ break;
+ default:
+ wpa_printf(MSG_WARNING, "Unknown CSA bandwidth: %d",
+ freq_params->bandwidth);
+ break;
+ }
+
+ iface->freq = freq_params->freq;
+ iface->conf->channel = freq_params->channel;
+ iface->conf->secondary_channel = freq_params->sec_channel_offset;
+ iface->conf->vht_oper_centr_freq_seg0_idx = vht_seg0_idx;
+ iface->conf->vht_oper_centr_freq_seg1_idx = vht_seg1_idx;
+ iface->conf->vht_oper_chwidth = vht_bw;
+ iface->conf->ieee80211n = freq_params->ht_enabled;
+ iface->conf->ieee80211ac = freq_params->vht_enabled;
+
+ /*
+ * cs_params must not be cleared earlier because the freq_params
+ * argument may actually point to one of these.
+ */
+ for (i = 0; i < iface->num_bss; i++)
+ hostapd_cleanup_cs_params(iface->bss[i]);
+
+ hostapd_disable_iface(iface);
+ hostapd_enable_iface(iface);
+}
+
+#endif /* NEED_AP_MLME */
+
+
+struct hostapd_data * hostapd_get_iface(struct hapd_interfaces *interfaces,
+ const char *ifname)
+{
+ size_t i, j;
+
+ for (i = 0; i < interfaces->count; i++) {
+ struct hostapd_iface *iface = interfaces->iface[i];
+
+ for (j = 0; j < iface->num_bss; j++) {
+ struct hostapd_data *hapd = iface->bss[j];
+
+ if (os_strcmp(ifname, hapd->conf->iface) == 0)
+ return hapd;
+ }
+ }
+
+ return NULL;
+}
+
+
+void hostapd_periodic_iface(struct hostapd_iface *iface)
+{
+ size_t i;
+
+ ap_list_timer(iface);
+
+ for (i = 0; i < iface->num_bss; i++) {
+ struct hostapd_data *hapd = iface->bss[i];
+
+ if (!hapd->started)
+ continue;
+
+#ifndef CONFIG_NO_RADIUS
+ hostapd_acl_expire(hapd);
+#endif /* CONFIG_NO_RADIUS */
+ }
}
projects / mech_eap.git / blobdiff