+++ /dev/null
-/*
- * hostapd / Initialization and configuration
- * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
- */
-
-#include "utils/includes.h"
-
-#include "utils/common.h"
-#include "utils/eloop.h"
-#include "common/ieee802_11_defs.h"
-#include "radius/radius_client.h"
-#include "drivers/driver.h"
-#include "hostapd.h"
-#include "authsrv.h"
-#include "sta_info.h"
-#include "accounting.h"
-#include "ap_list.h"
-#include "beacon.h"
-#include "iapp.h"
-#include "ieee802_1x.h"
-#include "ieee802_11_auth.h"
-#include "vlan_init.h"
-#include "wpa_auth.h"
-#include "wps_hostapd.h"
-#include "hw_features.h"
-#include "wpa_auth_glue.h"
-#include "ap_drv_ops.h"
-#include "ap_config.h"
-#include "p2p_hostapd.h"
-
-
-static int hostapd_flush_old_stations(struct hostapd_data *hapd);
-static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd);
-
-extern int wpa_debug_level;
-
-
-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_read_cb == NULL)
- return -1;
- newconf = iface->config_read_cb(iface->config_fname);
- if (newconf == NULL)
- return -1;
-
- /*
- * 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]);
-
-#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);
-#endif /* CONFIG_NO_RADIUS */
-
- oldconf = hapd->iconf;
- hapd->iconf = newconf;
- hapd->conf = &newconf->bss[0];
- iface->conf = newconf;
-
- 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);
- else
- hapd->drv.set_drv_ieee8021x(hapd, hapd->conf->iface, 0);
-
- if (hapd->conf->wpa && hapd->wpa_auth == NULL)
- hostapd_setup_wpa(hapd);
- else if (hapd->conf->wpa) {
- const u8 *wpa_ie;
- size_t wpa_ie_len;
- hostapd_reconfig_wpa(hapd);
- wpa_ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &wpa_ie_len);
- if (hostapd_set_generic_elem(hapd, wpa_ie, wpa_ie_len))
- wpa_printf(MSG_ERROR, "Failed to configure WPA IE for "
- "the kernel driver.");
- } else if (hapd->wpa_auth) {
- wpa_deinit(hapd->wpa_auth);
- hapd->wpa_auth = NULL;
- hostapd_set_privacy(hapd, 0);
- hostapd_setup_encryption(hapd->conf->iface, hapd);
- hostapd_set_generic_elem(hapd, (u8 *) "", 0);
- }
-
- ieee802_11_set_beacon(hapd);
- hostapd_update_wps(hapd);
-
- if (hapd->conf->ssid.ssid_set &&
- hostapd_set_ssid(hapd, (u8 *) hapd->conf->ssid.ssid,
- hapd->conf->ssid.ssid_len)) {
- wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver");
- /* try to continue */
- }
-
- hostapd_config_free(oldconf);
-
- wpa_printf(MSG_DEBUG, "Reconfigured interface %s", hapd->conf->iface);
-
- return 0;
-}
-
-
-static void hostapd_broadcast_key_clear_iface(struct hostapd_data *hapd,
- char *ifname)
-{
- 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)) {
- 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)) {
- wpa_printf(MSG_DEBUG, "Failed to clear "
- "default mgmt encryption keys "
- "(ifname=%s keyidx=%d)", ifname, i);
- }
- }
- }
-#endif /* CONFIG_IEEE80211W */
-}
-
-
-static int hostapd_broadcast_wep_clear(struct hostapd_data *hapd)
-{
- hostapd_broadcast_key_clear_iface(hapd, hapd->conf->iface);
- return 0;
-}
-
-
-static int hostapd_broadcast_wep_set(struct hostapd_data *hapd)
-{
- int errors = 0, idx;
- struct hostapd_ssid *ssid = &hapd->conf->ssid;
-
- 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])) {
- 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)
-{
- if (hapd->iface->ctrl_iface_deinit)
- hapd->iface->ctrl_iface_deinit(hapd);
-
- iapp_deinit(hapd->iapp);
- hapd->iapp = NULL;
- accounting_deinit(hapd);
- hostapd_deinit_wpa(hapd);
- vlan_deinit(hapd);
- hostapd_acl_deinit(hapd);
-#ifndef CONFIG_NO_RADIUS
- radius_client_deinit(hapd->radius);
- hapd->radius = 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);
- }
-
- 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 */
-}
-
-
-/**
- * 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)
-{
-}
-
-
-/**
- * hostapd_cleanup_iface - Complete per-interface cleanup
- * @iface: Pointer to interface data
- *
- * This function is called after per-BSS data structures are deinitialized
- * with hostapd_cleanup().
- */
-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);
- hostapd_config_free(iface->conf);
- iface->conf = NULL;
-
- os_free(iface->config_fname);
- os_free(iface->bss);
- os_free(iface);
-}
-
-
-static int hostapd_setup_encryption(char *iface, struct hostapd_data *hapd)
-{
- int i;
-
- hostapd_broadcast_wep_set(hapd);
-
- if (hapd->conf->ssid.wep.default_len) {
- hostapd_set_privacy(hapd, 1);
- return 0;
- }
-
- 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])) {
- wpa_printf(MSG_WARNING, "Could not set WEP "
- "encryption.");
- return -1;
- }
- if (hapd->conf->ssid.wep.key[i] &&
- i == hapd->conf->ssid.wep.idx)
- hostapd_set_privacy(hapd, 1);
- }
-
- return 0;
-}
-
-
-static int hostapd_flush_old_stations(struct hostapd_data *hapd)
-{
- int ret = 0;
-
- 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");
-
- /* 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);
- }
-
- return ret;
-}
-
-
-/**
- * hostapd_validate_bssid_configuration - Validate BSSID configuration
- * @iface: Pointer to interface data
- * Returns: 0 on success, -1 on failure
- *
- * This function is used to validate that the configured BSSIDs are valid.
- */
-static int hostapd_validate_bssid_configuration(struct hostapd_iface *iface)
-{
- 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))
- return 0;
-
- /* Generate BSSID mask that is large enough to cover the BSSIDs. */
-
- /* Determine the bits necessary to cover the number of BSSIDs. */
- for (i--; i; i >>= 1)
- bits++;
-
- /* 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 (j)
- auto_addr++;
- continue;
- }
-
- for (i = 0; i < ETH_ALEN; i++) {
- mask[i] |=
- iface->conf->bss[j].bssid[i] ^
- hapd->own_addr[i];
- }
- }
-
- if (!auto_addr)
- goto skip_mask_ext;
-
- for (i = 0; i < ETH_ALEN && mask[i] == 0; i++)
- ;
- j = 0;
- if (i < ETH_ALEN) {
- j = (5 - i) * 8;
-
- while (mask[i] != 0) {
- mask[i] >>= 1;
- j++;
- }
- }
-
- if (bits < j)
- bits = j;
-
- if (bits > 40) {
- wpa_printf(MSG_ERROR, "Too many bits in the BSSID mask (%u)",
- bits);
- return -1;
- }
-
- os_memset(mask, 0xff, ETH_ALEN);
- j = bits / 8;
- for (i = 5; i > 5 - j; i--)
- mask[i] = 0;
- j = bits % 8;
- while (j--)
- mask[i] <<= 1;
-
-skip_mask_ext:
- 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;
-
- for (i = 0; i < ETH_ALEN; i++) {
- if ((hapd->own_addr[i] & mask[i]) != hapd->own_addr[i]) {
- wpa_printf(MSG_ERROR, "Invalid BSSID mask " MACSTR
- " for start address " MACSTR ".",
- MAC2STR(mask), MAC2STR(hapd->own_addr));
- wpa_printf(MSG_ERROR, "Start address must be the "
- "first address in the block (i.e., addr "
- "AND mask == addr).");
- return -1;
- }
- }
-
- return 0;
-}
-
-
-static int mac_in_conf(struct hostapd_config *conf, const void *a)
-{
- size_t i;
-
- for (i = 0; i < conf->num_bss; i++) {
- if (hostapd_mac_comp(conf->bss[i].bssid, a) == 0) {
- return 1;
- }
- }
-
- return 0;
-}
-
-
-
-
-/**
- * hostapd_setup_bss - Per-BSS setup (initialization)
- * @hapd: Pointer to BSS data
- * @first: Whether this BSS is the first BSS of an interface
- *
- * 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
- * initialized. Most of the modules that are initialized here will be
- * deinitialized in hostapd_cleanup().
- */
-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];
- int ssid_len, set_ssid;
- char force_ifname[IFNAMSIZ];
- u8 if_addr[ETH_ALEN];
-
- 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 {
- /* Allocate the configured BSSID. */
- os_memcpy(hapd->own_addr, hapd->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);
- 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)) {
- wpa_printf(MSG_ERROR, "Failed to add BSS (BSSID="
- MACSTR ")", MAC2STR(hapd->own_addr));
- return -1;
- }
- }
-
- hostapd_flush_old_stations(hapd);
- hostapd_set_privacy(hapd, 0);
-
- hostapd_broadcast_wep_clear(hapd);
- if (hostapd_setup_encryption(hapd->conf->iface, hapd))
- return -1;
-
- /*
- * Fetch the SSID from the system and use it or,
- * if one was specified in the config file, verify they
- * match.
- */
- ssid_len = hostapd_get_ssid(hapd, ssid, sizeof(ssid));
- if (ssid_len < 0) {
- wpa_printf(MSG_ERROR, "Could not read SSID from system");
- return -1;
- }
- if (conf->ssid.ssid_set) {
- /*
- * If SSID is specified in the config file and it differs
- * from what is being used then force installation of the
- * new SSID.
- */
- set_ssid = (conf->ssid.ssid_len != (size_t) ssid_len ||
- os_memcmp(conf->ssid.ssid, ssid, ssid_len) != 0);
- } else {
- /*
- * No SSID in the config file; just use the one we got
- * from the system.
- */
- 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);
- }
-
- if (hostapd_setup_wpa_psk(conf)) {
- wpa_printf(MSG_ERROR, "WPA-PSK setup failed.");
- return -1;
- }
-
- /* 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,
- conf->ssid.ssid_len)) {
- wpa_printf(MSG_ERROR, "Could not set SSID for kernel driver");
- return -1;
- }
-
- if (wpa_debug_level == MSG_MSGDUMP)
- conf->radius->msg_dumps = 1;
-#ifndef CONFIG_NO_RADIUS
- hapd->radius = radius_client_init(hapd, conf->radius);
- if (hapd->radius == NULL) {
- wpa_printf(MSG_ERROR, "RADIUS client initialization failed.");
- return -1;
- }
-#endif /* CONFIG_NO_RADIUS */
-
- if (hostapd_acl_init(hapd)) {
- wpa_printf(MSG_ERROR, "ACL initialization failed.");
- return -1;
- }
- if (hostapd_init_wps(hapd, conf))
- return -1;
-
- if (authsrv_init(hapd) < 0)
- return -1;
-
- if (ieee802_1x_init(hapd)) {
- wpa_printf(MSG_ERROR, "IEEE 802.1X initialization failed.");
- return -1;
- }
-
- if (hapd->conf->wpa && hostapd_setup_wpa(hapd))
- return -1;
-
- if (accounting_init(hapd)) {
- wpa_printf(MSG_ERROR, "Accounting initialization failed.");
- return -1;
- }
-
- if (hapd->conf->ieee802_11f &&
- (hapd->iapp = iapp_init(hapd, 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");
- return -1;
- }
-
- if (!hostapd_drv_none(hapd) && vlan_init(hapd)) {
- wpa_printf(MSG_ERROR, "VLAN initialization failed.");
- return -1;
- }
-
- ieee802_11_set_beacon(hapd);
-
- return 0;
-}
-
-
-static void hostapd_tx_queue_params(struct hostapd_iface *iface)
-{
- struct hostapd_data *hapd = iface->bss[0];
- int i;
- struct hostapd_tx_queue_params *p;
-
- 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 "
- "parameters for queue %d.", i);
- /* Continue anyway */
- }
- }
-}
-
-
-static int setup_interface(struct hostapd_iface *iface)
-{
- struct hostapd_data *hapd = iface->bss[0];
- size_t i;
- char country[4];
-
- /*
- * Make sure that all BSSes get configured with a pointer to the same
- * driver interface.
- */
- for (i = 1; i < iface->num_bss; i++) {
- iface->bss[i]->driver = hapd->driver;
- iface->bss[i]->drv_priv = hapd->drv_priv;
- }
-
- if (hostapd_validate_bssid_configuration(iface))
- return -1;
-
- if (hapd->iconf->country[0] && hapd->iconf->country[1]) {
- 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;
- }
- }
-
- if (hostapd_get_hw_features(iface)) {
- /* Not all drivers support this yet, so continue without hw
- * feature data. */
- } else {
- int ret = hostapd_select_hw_mode(iface);
- if (ret < 0) {
- wpa_printf(MSG_ERROR, "Could not select hw_mode and "
- "channel. (%d)", ret);
- return -1;
- }
- ret = hostapd_check_ht_capab(iface);
- if (ret < 0)
- return -1;
- if (ret == 1) {
- wpa_printf(MSG_DEBUG, "Interface initialization will "
- "be completed in a callback");
- return 0;
- }
- }
- return hostapd_setup_interface_complete(iface, 0);
-}
-
-
-int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err)
-{
- struct hostapd_data *hapd = iface->bss[0];
- size_t j;
- u8 *prev_addr;
-
- if (err) {
- wpa_printf(MSG_ERROR, "Interface initialization failed");
- eloop_terminate();
- return -1;
- }
-
- 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->secondary_channel)) {
- wpa_printf(MSG_ERROR, "Could not set channel for "
- "kernel driver");
- return -1;
- }
- }
-
- if (hapd->iconf->rts_threshold > -1 &&
- hostapd_set_rts(hapd, hapd->iconf->rts_threshold)) {
- wpa_printf(MSG_ERROR, "Could not set RTS threshold for "
- "kernel driver");
- return -1;
- }
-
- 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;
- }
-
- prev_addr = hapd->own_addr;
-
- for (j = 0; j < iface->num_bss; j++) {
- 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)
- prev_addr = hapd->own_addr;
- }
-
- hostapd_tx_queue_params(iface);
-
- ap_list_init(iface);
-
- if (hostapd_driver_commit(hapd) < 0) {
- wpa_printf(MSG_ERROR, "%s: Failed to commit driver "
- "configuration", __func__);
- return -1;
- }
-
- wpa_printf(MSG_DEBUG, "%s: Setup of interface done.",
- iface->bss[0]->conf->iface);
-
- return 0;
-}
-
-
-/**
- * hostapd_setup_interface - Setup of an interface
- * @iface: Pointer to interface data.
- * Returns: 0 on success, -1 on failure
- *
- * Initializes the driver interface, validates the configuration,
- * and sets driver parameters based on the configuration.
- * Flushes old stations, sets the channel, encryption,
- * beacons, and WDS links based on the configuration.
- */
-int hostapd_setup_interface(struct hostapd_iface *iface)
-{
- int ret;
-
- ret = setup_interface(iface);
- if (ret) {
- wpa_printf(MSG_ERROR, "%s: Unable to setup interface.",
- iface->bss[0]->conf->iface);
- return -1;
- }
-
- return 0;
-}
-
-
-/**
- * hostapd_alloc_bss_data - Allocate and initialize per-BSS data
- * @hapd_iface: Pointer to interface data
- * @conf: Pointer to per-interface configuration
- * @bss: Pointer to per-BSS configuration for this BSS
- * Returns: Pointer to allocated BSS data
- *
- * This function is used to allocate per-BSS data structure. This data will be
- * freed after hostapd_cleanup() is called for it during interface
- * deinitialization.
- */
-struct hostapd_data *
-hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
- struct hostapd_config *conf,
- struct hostapd_bss_config *bss)
-{
- struct hostapd_data *hapd;
-
- hapd = os_zalloc(sizeof(*hapd));
- 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;
-
- return hapd;
-}
-
-
-void hostapd_interface_deinit(struct hostapd_iface *iface)
-{
- size_t j;
-
- 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);
- }
-}
-
-
-void hostapd_interface_free(struct hostapd_iface *iface)
-{
- size_t j;
- for (j = 0; j < iface->num_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
- *
- * 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) {
- hapd->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)
- 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);
-}
projects / mech_eap.git / blobdiff