/*
* hostapd / Initialization and configuration
- * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2002-2014, 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.
+ * 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 "utils/eloop.h"
#include "common/ieee802_11_defs.h"
+#include "common/wpa_ctrl.h"
#include "radius/radius_client.h"
-#include "drivers/driver.h"
+#include "radius/radius_das.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_drv_ops.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"
-static int hostapd_flush_old_stations(struct hostapd_data *hapd);
+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);
+static int setup_interface2(struct hostapd_iface *iface);
+static void channel_list_update_timeout(void *eloop_ctx, void *timeout_ctx);
-extern int wpa_debug_level;
-
-int hostapd_reload_config(struct hostapd_iface *iface)
+int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
+ int (*cb)(struct hostapd_iface *iface,
+ void *ctx), void *ctx)
{
- struct hostapd_data *hapd = iface->bss[0];
- struct hostapd_config *newconf, *oldconf;
- size_t j;
+ size_t i;
+ int ret;
- if (iface->config_read_cb == NULL)
- return -1;
- newconf = iface->config_read_cb(iface->config_fname);
- if (newconf == NULL)
- return -1;
+ for (i = 0; i < interfaces->count; i++) {
+ ret = cb(interfaces->iface[i], ctx);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
- /*
- * Deauthenticate all stations since the new configuration may not
- * allow them to use the BSS anymore.
- */
- for (j = 0; j < iface->num_bss; j++)
- hostapd_flush_old_stations(iface->bss[j]);
+
+static void hostapd_reload_bss(struct hostapd_data *hapd)
+{
+ struct hostapd_ssid *ssid;
#ifndef CONFIG_NO_RADIUS
- /* TODO: update dynamic data based on changed configuration
- * items (e.g., open/close sockets, etc.) */
- radius_client_flush(hapd->radius, 0);
+ radius_client_reconfig(hapd->radius, hapd->conf->radius);
#endif /* CONFIG_NO_RADIUS */
- oldconf = hapd->iconf;
- hapd->iconf = newconf;
- hapd->conf = &newconf->bss[0];
- iface->conf = newconf;
-
+ 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");
}
if (hapd->conf->ieee802_1x || hapd->conf->wpa)
- hapd->drv.set_drv_ieee8021x(hapd, hapd->conf->iface, 1);
+ hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 1);
else
- hapd->drv.set_drv_ieee8021x(hapd, hapd->conf->iface, 0);
+ 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);
- else if (hapd->conf->wpa) {
+ if (hapd->wpa_auth)
+ wpa_init_keys(hapd->wpa_auth);
+ } else if (hapd->conf->wpa) {
const u8 *wpa_ie;
size_t wpa_ie_len;
hostapd_reconfig_wpa(hapd);
hostapd_update_wps(hapd);
if (hapd->conf->ssid.ssid_set &&
- hostapd_set_ssid(hapd, (u8 *) hapd->conf->ssid.ssid,
+ hostapd_set_ssid(hapd, hapd->conf->ssid.ssid,
hapd->conf->ssid.ssid_len)) {
wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver");
/* try to continue */
}
+ wpa_printf(MSG_DEBUG, "Reconfigured interface %s", hapd->conf->iface);
+}
+
+
+static void hostapd_clear_old(struct hostapd_iface *iface)
+{
+ size_t j;
+
+ /*
+ * Deauthenticate all stations since the new configuration may not
+ * allow them to use the BSS anymore.
+ */
+ for (j = 0; j < iface->num_bss; j++) {
+ hostapd_flush_old_stations(iface->bss[j],
+ WLAN_REASON_PREV_AUTH_NOT_VALID);
+ hostapd_broadcast_wep_clear(iface->bss[j]);
+
+#ifndef CONFIG_NO_RADIUS
+ /* TODO: update dynamic data based on changed configuration
+ * items (e.g., open/close sockets, etc.) */
+ radius_client_flush(iface->bss[j]->radius, 0);
+#endif /* CONFIG_NO_RADIUS */
+ }
+}
+
+
+int hostapd_reload_config(struct hostapd_iface *iface)
+{
+ struct hostapd_data *hapd = iface->bss[0];
+ struct hostapd_config *newconf, *oldconf;
+ size_t j;
+
+ if (iface->config_fname == NULL) {
+ /* Only in-memory config in use - assume it has been updated */
+ hostapd_clear_old(iface);
+ for (j = 0; j < iface->num_bss; j++)
+ hostapd_reload_bss(iface->bss[j]);
+ return 0;
+ }
+
+ if (iface->interfaces == NULL ||
+ iface->interfaces->config_read_cb == NULL)
+ return -1;
+ newconf = iface->interfaces->config_read_cb(iface->config_fname);
+ if (newconf == NULL)
+ return -1;
+
+ hostapd_clear_old(iface);
+
+ oldconf = hapd->iconf;
+ iface->conf = newconf;
+
+ for (j = 0; j < iface->num_bss; j++) {
+ hapd = iface->bss[j];
+ hapd->iconf = newconf;
+ 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);
+ }
hostapd_config_free(oldconf);
- wpa_printf(MSG_DEBUG, "Reconfigured interface %s", hapd->conf->iface);
return 0;
}
int i;
for (i = 0; i < NUM_WEP_KEYS; i++) {
- if (hapd->drv.set_key(ifname, hapd, WPA_ALG_NONE, NULL, i,
- i == 0 ? 1 : 0, NULL, 0, NULL, 0)) {
+ if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE, NULL, i,
+ 0, NULL, 0, NULL, 0)) {
wpa_printf(MSG_DEBUG, "Failed to clear default "
"encryption keys (ifname=%s keyidx=%d)",
ifname, i);
#ifdef CONFIG_IEEE80211W
if (hapd->conf->ieee80211w) {
for (i = NUM_WEP_KEYS; i < NUM_WEP_KEYS + 2; i++) {
- if (hapd->drv.set_key(ifname, hapd, WPA_ALG_NONE, NULL,
- i, i == 0 ? 1 : 0, NULL, 0,
- NULL, 0)) {
+ if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_NONE,
+ NULL, i, 0, NULL,
+ 0, NULL, 0)) {
wpa_printf(MSG_DEBUG, "Failed to clear "
"default mgmt encryption keys "
"(ifname=%s keyidx=%d)", ifname, i);
idx = ssid->wep.idx;
if (ssid->wep.default_len &&
- hapd->drv.set_key(hapd->conf->iface,
- hapd, WPA_ALG_WEP, NULL, idx,
- idx == ssid->wep.idx,
- NULL, 0, ssid->wep.key[idx],
- ssid->wep.len[idx])) {
+ hostapd_drv_set_key(hapd->conf->iface,
+ hapd, WPA_ALG_WEP, broadcast_ether_addr, idx,
+ 1, NULL, 0, ssid->wep.key[idx],
+ ssid->wep.len[idx])) {
wpa_printf(MSG_WARNING, "Could not set WEP encryption.");
errors++;
}
- if (ssid->dyn_vlan_keys) {
- size_t i;
- for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) {
- const char *ifname;
- struct hostapd_wep_keys *key = ssid->dyn_vlan_keys[i];
- if (key == NULL)
- continue;
- ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan,
- i);
- if (ifname == NULL)
- continue;
-
- idx = key->idx;
- if (hapd->drv.set_key(ifname, hapd, WPA_ALG_WEP, NULL,
- idx, idx == key->idx, NULL, 0,
- key->key[idx], key->len[idx])) {
- wpa_printf(MSG_WARNING, "Could not set "
- "dynamic VLAN WEP encryption.");
- errors++;
- }
- }
- }
-
return errors;
}
-/**
- * hostapd_cleanup - Per-BSS cleanup (deinitialization)
- * @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.
- */
-static void hostapd_cleanup(struct hostapd_data *hapd)
+
+static void hostapd_free_hapd_data(struct hostapd_data *hapd)
{
- if (hapd->iface->ctrl_iface_deinit)
- hapd->iface->ctrl_iface_deinit(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);
#ifndef CONFIG_NO_RADIUS
radius_client_deinit(hapd->radius);
hapd->radius = NULL;
+ radius_das_deinit(hapd->radius_das);
+ hapd->radius_das = NULL;
#endif /* CONFIG_NO_RADIUS */
hostapd_deinit_wps(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;
+ wpabuf_free(hapd->time_adv);
-#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 */
+#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
+ 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_cleanup_iface_pre - Preliminary per-interface cleanup
- * @iface: Pointer to interface data
+ * hostapd_cleanup - Per-BSS cleanup (deinitialization)
+ * @hapd: Pointer to BSS data
*
- * This function is called before per-BSS data structures are deinitialized
- * with hostapd_cleanup().
+ * This function is used to free all per-BSS data structures and resources.
+ * Most of the modules that are initialized in hostapd_setup_bss() are
+ * deinitialized here.
*/
-static void hostapd_cleanup_iface_pre(struct hostapd_iface *iface)
+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_free_hapd_data(hapd);
+}
+
+
+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);
+ iface->current_rates = NULL;
+ 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)
{
- hostapd_free_hw_features(iface->hw_features, iface->num_hw_features);
- iface->hw_features = NULL;
- os_free(iface->current_rates);
- iface->current_rates = NULL;
- ap_list_deinit(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 && !hapd->iface->driver_ap_teardown) {
+ hostapd_set_privacy(hapd, 0);
+ hostapd_broadcast_wep_clear(hapd);
+ }
+}
+
+
static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd)
{
int i;
return 0;
}
+ /*
+ * When IEEE 802.1X is not enabled, the driver may need to know how to
+ * set authentication algorithms for static WEP.
+ */
+ hostapd_drv_set_authmode(hapd, hapd->conf->auth_algs);
+
for (i = 0; i < 4; i++) {
if (hapd->conf->ssid.wep.key[i] &&
- hapd->drv.set_key(iface, hapd, WPA_ALG_WEP, NULL, i,
- i == hapd->conf->ssid.wep.idx, NULL, 0,
- hapd->conf->ssid.wep.key[i],
- hapd->conf->ssid.wep.len[i])) {
+ hostapd_drv_set_key(iface, hapd, WPA_ALG_WEP, NULL, i,
+ i == hapd->conf->ssid.wep.idx, NULL, 0,
+ hapd->conf->ssid.wep.key[i],
+ hapd->conf->ssid.wep.len[i])) {
wpa_printf(MSG_WARNING, "Could not set WEP "
"encryption.");
return -1;
}
-static int hostapd_flush_old_stations(struct hostapd_data *hapd)
+static int hostapd_flush_old_stations(struct hostapd_data *hapd, u16 reason)
{
int ret = 0;
+ u8 addr[ETH_ALEN];
if (hostapd_drv_none(hapd) || hapd->drv_priv == NULL)
return 0;
- wpa_printf(MSG_DEBUG, "Flushing old station entries");
- if (hostapd_flush(hapd)) {
- wpa_printf(MSG_WARNING, "Could not connect to kernel driver.");
- ret = -1;
- }
- wpa_printf(MSG_DEBUG, "Deauthenticate all stations");
+ if (!hapd->iface->driver_ap_teardown) {
+ wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
+ "Flushing old station entries");
- /* New Prism2.5/3 STA firmware versions seem to have issues with this
- * broadcast deauth frame. This gets the firmware in odd state where
- * nothing works correctly, so let's skip sending this for the hostap
- * driver. */
- if (hapd->driver && os_strcmp(hapd->driver->name, "hostap") != 0) {
- u8 addr[ETH_ALEN];
- os_memset(addr, 0xff, ETH_ALEN);
- hapd->drv.sta_deauth(hapd, addr,
- WLAN_REASON_PREV_AUTH_NOT_VALID);
+ 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);
+ hostapd_drv_sta_deauth(hapd, addr, reason);
+ hostapd_free_stas(hapd);
return ret;
}
+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
u8 mask[ETH_ALEN] = { 0 };
struct hostapd_data *hapd = iface->bss[0];
unsigned int i = iface->conf->num_bss, bits = 0, j;
- int res;
int auto_addr = 0;
if (hostapd_drv_none(hapd))
/* 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 (hostapd_mac_comp_empty(iface->conf->bss[j]->bssid) == 0) {
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];
}
}
wpa_printf(MSG_DEBUG, "BSS count %lu, BSSID mask " MACSTR " (%d bits)",
(unsigned long) iface->conf->num_bss, MAC2STR(mask), bits);
- res = hostapd_valid_bss_mask(hapd, hapd->own_addr, mask);
- if (res == 0)
- return 0;
-
- if (res < 0) {
- wpa_printf(MSG_ERROR, "Driver did not accept BSSID mask "
- MACSTR " for start address " MACSTR ".",
- MAC2STR(mask), MAC2STR(hapd->own_addr));
- return -1;
- }
-
if (!auto_addr)
return 0;
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;
}
}
}
+#ifndef CONFIG_NO_RADIUS
+
+static int hostapd_das_nas_mismatch(struct hostapd_data *hapd,
+ struct radius_das_attrs *attr)
+{
+ 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,
+ int *multi)
+{
+ struct sta_info *selected, *sta;
+ char buf[128];
+ int num_attr = 0;
+ int count;
+
+ *multi = 0;
+
+ 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;
+ }
+
+ selected = sta;
+ for (sta = hapd->sta_list; sta; sta = sta->next) {
+ 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 != 17) {
+ 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), "%08X-%08X",
+ sta->acct_session_id_hi,
+ sta->acct_session_id_lo);
+ if (os_memcmp(attr->acct_session_id, buf, 17) != 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 != 17) {
+ 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_hi) {
+ sta->radius_das_match = 0;
+ continue;
+ }
+ os_snprintf(buf, sizeof(buf), "%08X+%08X",
+ sta->eapol_sm->acct_multi_session_id_hi,
+ sta->eapol_sm->acct_multi_session_id_lo);
+ if (os_memcmp(attr->acct_multi_session_id, buf, 17) !=
+ 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 (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 ||
+ os_memcmp(wpabuf_head(cui), attr->cui,
+ 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 (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 ||
+ os_memcmp(identity, attr->user_name, identity_len)
+ != 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 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);
+}
+
+
+static enum radius_das_res
+hostapd_das_disconnect(void *ctx, struct radius_das_attrs *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, &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);
+ ap_sta_deauthenticate(hapd, sta, WLAN_REASON_PREV_AUTH_NOT_VALID);
+
+ return RADIUS_DAS_SUCCESS;
+}
+
+#endif /* CONFIG_NO_RADIUS */
/**
* 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;
+
+ 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) {
- if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0) {
+ if (!first || first == -1) {
+ if (hostapd_mac_comp_empty(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 {
/* 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;
}
}
hapd->interface_added = 1;
if (hostapd_if_add(hapd->iface->bss[0], WPA_IF_AP_BSS,
- hapd->conf->iface, hapd->own_addr, hapd,
- &hapd->drv_priv, force_ifname, if_addr)) {
+ conf->iface, hapd->own_addr, hapd,
+ &hapd->drv_priv, force_ifname, if_addr,
+ 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;
}
}
- hostapd_flush_old_stations(hapd);
+ if (conf->wmm_enabled < 0)
+ conf->wmm_enabled = hapd->iconf->ieee80211n;
+
+#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;
/*
set_ssid = 0;
conf->ssid.ssid_len = ssid_len;
os_memcpy(conf->ssid.ssid, ssid, conf->ssid.ssid_len);
- conf->ssid.ssid[conf->ssid.ssid_len] = '\0';
}
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),
- hapd->conf->ssid.ssid);
+ " and ssid \"%s\"",
+ conf->iface, MAC2STR(hapd->own_addr),
+ wpa_ssid_txt(conf->ssid.ssid, conf->ssid.ssid_len));
}
if (hostapd_setup_wpa_psk(conf)) {
/* Set SSID for the kernel driver (to be used in beacon and probe
* response frames) */
- if (set_ssid && hostapd_set_ssid(hapd, (u8 *) conf->ssid.ssid,
+ if (set_ssid && hostapd_set_ssid(hapd, conf->ssid.ssid,
conf->ssid.ssid_len)) {
wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver");
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);
wpa_printf(MSG_ERROR, "RADIUS client initialization failed.");
return -1;
}
+
+ if (conf->radius_das_port) {
+ struct radius_das_conf das_conf;
+ os_memset(&das_conf, 0, sizeof(das_conf));
+ das_conf.port = conf->radius_das_port;
+ das_conf.shared_secret = conf->radius_das_shared_secret;
+ das_conf.shared_secret_len =
+ 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 =
+ conf->radius_das_require_event_timestamp;
+ das_conf.ctx = hapd;
+ das_conf.disconnect = hostapd_das_disconnect;
+ hapd->radius_das = radius_das_init(&das_conf);
+ if (hapd->radius_das == NULL) {
+ wpa_printf(MSG_ERROR, "RADIUS DAS initialization "
+ "failed.");
+ return -1;
+ }
+ }
#endif /* CONFIG_NO_RADIUS */
if (hostapd_acl_init(hapd)) {
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;
}
- if (hapd->iface->ctrl_iface_init &&
- hapd->iface->ctrl_iface_init(hapd)) {
- wpa_printf(MSG_ERROR, "Failed to setup control interface");
+#ifdef CONFIG_INTERWORKING
+ if (gas_serv_init(hapd)) {
+ wpa_printf(MSG_ERROR, "GAS server initialization failed");
return -1;
}
- if (!hostapd_drv_none(hapd) && vlan_init(hapd)) {
- wpa_printf(MSG_ERROR, "VLAN initialization failed.");
+ 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 */
- ieee802_11_set_beacon(hapd);
+ 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 (!conf->start_disabled && ieee802_11_set_beacon(hapd) < 0)
+ return -1;
+
+ if (hapd->wpa_auth && wpa_init_keys(hapd->wpa_auth) < 0)
+ return -1;
+
+ if (hapd->driver && hapd->driver->set_operstate)
+ hapd->driver->set_operstate(hapd->drv_priv, 1);
return 0;
}
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 (!p->configured)
- continue;
-
if (hostapd_set_tx_queue_params(hapd, i, p->aifs, p->cwmin,
p->cwmax, p->burst)) {
wpa_printf(MSG_DEBUG, "Failed to set TX queue "
}
+static int hostapd_set_acl_list(struct hostapd_data *hapd,
+ struct mac_acl_entry *mac_acl,
+ int n_entries, u8 accept_acl)
+{
+ struct hostapd_acl_params *acl_params;
+ int i, err;
+
+ acl_params = os_zalloc(sizeof(*acl_params) +
+ (n_entries * sizeof(acl_params->mac_acl[0])));
+ if (!acl_params)
+ return -ENOMEM;
+
+ for (i = 0; i < n_entries; i++)
+ os_memcpy(acl_params->mac_acl[i].addr, mac_acl[i].addr,
+ ETH_ALEN);
+
+ acl_params->acl_policy = accept_acl;
+ acl_params->num_mac_acl = n_entries;
+
+ err = hostapd_drv_set_acl(hapd, acl_params);
+
+ os_free(acl_params);
+
+ return err;
+}
+
+
+static void hostapd_set_acl(struct hostapd_data *hapd)
+{
+ struct hostapd_config *conf = hapd->iconf;
+ int err;
+ u8 accept_acl;
+
+ if (hapd->iface->drv_max_acl_mac_addrs == 0)
+ return;
+
+ 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);
+}
+
+
static int setup_interface(struct hostapd_iface *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)");
+ return 0;
}
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;
+}
+
+
+#ifdef CONFIG_FST
+
+static const u8 * fst_hostapd_get_bssid_cb(void *ctx)
+{
+ struct hostapd_data *hapd = ctx;
+
+ return hapd->own_addr;
+}
+
+
+static void fst_hostapd_get_channel_info_cb(void *ctx,
+ enum hostapd_hw_mode *hw_mode,
+ u8 *channel)
+{
+ struct hostapd_data *hapd = ctx;
+
+ *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 */
+
+
+/**
+ * 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 hostapd_data *hapd = iface->bss[0];
size_t j;
u8 *prev_addr;
+ int delay_apply_cfg = 0;
+ int res_dfs_offload = 0;
- if (err) {
- wpa_printf(MSG_ERROR, "Interface initialization failed");
- eloop_terminate();
- return -1;
- }
+ if (err)
+ goto fail;
wpa_printf(MSG_DEBUG, "Completing interface initialization");
- if (hapd->iconf->channel) {
- iface->freq = hostapd_hw_get_freq(hapd, hapd->iconf->channel);
+ 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(hapd->iconf->hw_mode),
- hapd->iconf->channel, iface->freq);
+ 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 (hostapd_set_freq(hapd, hapd->iconf->hw_mode, iface->freq,
+ if (!delay_apply_cfg &&
+ hostapd_set_freq(hapd, hapd->iconf->hw_mode, iface->freq,
hapd->iconf->channel,
hapd->iconf->ieee80211n,
- hapd->iconf->secondary_channel)) {
+ 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;
+ 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.");
+ 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_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 (hostapd_mac_comp_empty(hapd->conf->bssid) == 0)
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;
+ }
+
+ /*
+ * WPS UPnP module can be initialized only when the "upnp_iface" is up.
+ * If "interface" and "upnp_iface" are the same (e.g., non-bridge
+ * mode), the interface is up only after driver_commit, so initialize
+ * WPS after driver_commit.
+ */
+ for (j = 0; j < iface->num_bss; j++) {
+ if (hostapd_init_wps_complete(iface->bss[j]))
+ 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--;
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;
}
* 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)
{
if (hapd == NULL)
return NULL;
- hostapd_set_driver_ops(&hapd->drv);
hapd->new_assoc_sta_cb = hostapd_new_assoc_sta;
hapd->iconf = conf;
hapd->conf = bss;
hapd->iface = hapd_iface;
hapd->driver = hapd->iconf->driver;
+ hapd->ctrl_sock = -1;
return hapd;
}
+static void hostapd_bss_deinit(struct hostapd_data *hapd)
+{
+ 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);
- 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--)
+ 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++) {
+ wpa_printf(MSG_DEBUG, "%s: free hapd %p",
+ __func__, iface->bss[j]);
os_free(iface->bss[j]);
+ }
hostapd_cleanup_iface(iface);
}
/**
- * hostapd_new_assoc_sta - Notify that a new station associated with the AP
- * @hapd: Pointer to BSS data
- * @sta: Pointer to the associated STA data
- * @reassoc: 1 to indicate this was a re-association; 0 = first association
+ * 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 will be called whenever a station associates with the AP. It
- * can be called from ieee802_11.c for drivers that export MLME to hostapd and
- * from drv_callbacks.c based on driver events for drivers that take care of
- * management frames (IEEE 802.11 authentication and association) internally.
+ * 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().
*/
-void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
- int reassoc)
+struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
+ const char *config_file)
{
- if (hapd->tkip_countermeasures) {
- hapd->drv.sta_deauth(hapd, sta->addr,
- WLAN_REASON_MICHAEL_MIC_FAILURE);
- return;
- }
+ struct hostapd_iface *hapd_iface = NULL;
+ struct hostapd_config *conf = NULL;
+ struct hostapd_data *hapd;
+ size_t i;
- hostapd_prune_associations(hapd, sta->addr);
+ hapd_iface = os_zalloc(sizeof(*hapd_iface));
+ if (hapd_iface == NULL)
+ goto fail;
- /* IEEE 802.11F (IAPP) */
- if (hapd->conf->ieee802_11f)
- iapp_new_station(hapd->iapp, sta);
+ hapd_iface->config_fname = os_strdup(config_file);
+ if (hapd_iface->config_fname == NULL)
+ goto fail;
-#ifdef CONFIG_P2P
- if (sta->p2p_ie == NULL && !sta->no_p2p_set) {
- sta->no_p2p_set = 1;
- hapd->num_sta_no_p2p++;
- if (hapd->num_sta_no_p2p == 1)
- hostapd_p2p_non_p2p_sta_connected(hapd);
- }
-#endif /* CONFIG_P2P */
+ conf = interfaces->config_read_cb(hapd_iface->config_fname);
+ if (conf == NULL)
+ goto fail;
+ hapd_iface->conf = conf;
- /* 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)
- accounting_sta_start(hapd, sta);
+ 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;
- /* Start IEEE 802.1X authentication process for new stations */
- ieee802_1x_new_station(hapd, sta);
- if (reassoc) {
+ 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);
+ 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);
+ return -1;
+ }
+
+ wpa_printf(MSG_DEBUG, "Enable interface %s",
+ 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))
+ 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;
+}
+
+
+int hostapd_reload_iface(struct hostapd_iface *hapd_iface)
+{
+ 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_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;
+ const struct wpa_driver_ops *driver;
+ void *drv_priv;
+
+ if (hapd_iface == NULL)
+ return -1;
+
+ 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;
+
+ 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_bss_deinit_no_free(hapd);
+ hostapd_free_hapd_data(hapd);
+ }
+
+ 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",
+ hapd_iface->bss[0]->conf->iface);
+ hostapd_set_state(hapd_iface, HAPD_IFACE_DISABLED);
+ return 0;
+}
+
+
+static struct hostapd_iface *
+hostapd_iface_alloc(struct hapd_interfaces *interfaces)
+{
+ struct hostapd_iface **iface, *hapd_iface;
+
+ iface = os_realloc_array(interfaces->iface, interfaces->count + 1,
+ sizeof(struct hostapd_iface *));
+ if (iface == NULL)
+ return NULL;
+ interfaces->iface = iface;
+ hapd_iface = interfaces->iface[interfaces->count] =
+ os_zalloc(sizeof(*hapd_iface));
+ if (hapd_iface == NULL) {
+ wpa_printf(MSG_ERROR, "%s: Failed to allocate memory for "
+ "the interface", __func__);
+ return NULL;
+ }
+ interfaces->count++;
+ hapd_iface->interfaces = interfaces;
+
+ return hapd_iface;
+}
+
+
+static struct hostapd_config *
+hostapd_config_alloc(struct hapd_interfaces *interfaces, const char *ifname,
+ const char *ctrl_iface, const char *driver)
+{
+ struct hostapd_bss_config *bss;
+ struct hostapd_config *conf;
+
+ /* Allocates memory for bss and conf */
+ conf = hostapd_config_defaults();
+ if (conf == NULL) {
+ wpa_printf(MSG_ERROR, "%s: Failed to allocate memory for "
+ "configuration", __func__);
+ 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!");
+ hostapd_config_free(conf);
+ return NULL;
+ }
+
+skip:
+ bss = conf->last_bss = conf->bss[0];
+
+ os_strlcpy(bss->iface, ifname, sizeof(bss->iface));
+ bss->ctrl_interface = os_strdup(ctrl_iface);
+ if (bss->ctrl_interface == NULL) {
+ hostapd_config_free(conf);
+ return NULL;
+ }
+
+ /* Reading configuration file skipped, will be done in SET!
+ * From reading the configuration till the end has to be done in
+ * SET
+ */
+ return conf;
+}
+
+
+static int hostapd_data_alloc(struct hostapd_iface *hapd_iface,
+ struct hostapd_config *conf)
+{
+ size_t i;
+ struct hostapd_data *hapd;
+
+ hapd_iface->bss = os_calloc(conf->num_bss,
+ sizeof(struct hostapd_data *));
+ if (hapd_iface->bss == 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) {
+ 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->conf = conf;
+ hapd_iface->num_bss = conf->num_bss;
+
+ return 0;
+}
+
+
+int hostapd_add_iface(struct hapd_interfaces *interfaces, char *buf)
+{
+ struct hostapd_config *conf = NULL;
+ struct hostapd_iface *hapd_iface = NULL, *new_iface = NULL;
+ struct hostapd_data *hapd;
+ char *ptr;
+ 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)
+ return -1;
+ *ptr++ = '\0';
+
+ if (os_strncmp(ptr, "config=", 7) == 0)
+ conf_file = ptr + 7;
+
+ for (i = 0; i < interfaces->count; i++) {
+ if (!os_strcmp(interfaces->iface[i]->conf->bss[0]->iface,
+ buf)) {
+ wpa_printf(MSG_INFO, "Cannot add interface - it "
+ "already exists");
+ return -1;
+ }
+ }
+
+ hapd_iface = hostapd_iface_alloc(interfaces);
+ if (hapd_iface == NULL) {
+ wpa_printf(MSG_ERROR, "%s: Failed to allocate memory "
+ "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[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;
+ }
+
+ 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 (start_ctrl_iface(hapd_iface) < 0)
+ goto fail;
+
+ wpa_printf(MSG_INFO, "Add interface '%s'",
+ hapd_iface->conf->bss[0]->iface);
+
+ return 0;
+
+fail:
+ if (conf)
+ hostapd_config_free(conf);
+ if (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, 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)) {
+ 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->iface[k] =
+ interfaces->iface[k + 1];
+ k++;
+ }
+ 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;
+}
+
+
+/**
+ * hostapd_new_assoc_sta - Notify that a new station associated with the AP
+ * @hapd: Pointer to BSS data
+ * @sta: Pointer to the associated STA data
+ * @reassoc: 1 to indicate this was a re-association; 0 = first association
+ *
+ * This function will be called whenever a station associates with the AP. It
+ * can be called from ieee802_11.c for drivers that export MLME to hostapd and
+ * from drv_callbacks.c based on driver events for drivers that take care of
+ * management frames (IEEE 802.11 authentication and association) internally.
+ */
+void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
+ int reassoc)
+{
+ if (hapd->tkip_countermeasures) {
+ hostapd_drv_sta_deauth(hapd, sta->addr,
+ WLAN_REASON_MICHAEL_MIC_FAILURE);
+ return;
+ }
+
+ hostapd_prune_associations(hapd, sta->addr);
+
+ /* IEEE 802.11F (IAPP) */
+ if (hapd->conf->ieee802_11f)
+ iapp_new_station(hapd->iapp, sta);
+
+#ifdef CONFIG_P2P
+ if (sta->p2p_ie == NULL && !sta->no_p2p_set) {
+ sta->no_p2p_set = 1;
+ hapd->num_sta_no_p2p++;
+ if (hapd->num_sta_no_p2p == 1)
+ hostapd_p2p_non_p2p_sta_connected(hapd);
+ }
+#endif /* CONFIG_P2P */
+
+ /* 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 && !hapd->conf->osen) {
+ ap_sta_set_authorized(hapd, sta, 1);
+ os_get_reltime(&sta->connected_time);
+ accounting_sta_start(hapd, sta);
+ }
+
+ /* Start IEEE 802.1X authentication process for new stations */
+ ieee802_1x_new_station(hapd, sta);
+ if (reassoc) {
if (sta->auth_alg != WLAN_AUTH_FT &&
!(sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS)))
wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH);
} else
wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm);
+
+ if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER)) {
+ 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);
+ }
+}
+
+
+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->bss[0]->iface, hostapd_state_text(iface->state),
+ hostapd_state_text(s));
+ iface->state = s;
+}
+
+
+#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 frequency within the
+ * same hw_mode. Any other changes to MAC parameters or provided settings (even
+ * width) 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) {
+ old_params->channel = conf->channel;
+ old_params->ht_enabled = conf->ieee80211n;
+ old_params->sec_channel_offset = conf->secondary_channel;
+ }
+
+ conf->channel = channel;
+ conf->ieee80211n = params->ht_enabled;
+ conf->secondary_channel = params->sec_channel_offset;
+
+ /* 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;
+
+ os_memset(&old_freq, 0, sizeof(old_freq));
+ if (!iface || !iface->freq || hapd->csa_in_progress)
+ return -1;
+
+ 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 = hapd->cs_c_off_beacon;
+ settings->counter_offset_presp = hapd->cs_c_off_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;
+}
+
+
+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);
+}
+
+
+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;
+}
+
+#endif /* NEED_AP_MLME */
+
+
+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