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android / platform / external / wpa_supplicant_8 / 673af1cd116a99ea20e6ce493b8b90fbc83d4bf9 / . / src / ap / wpa_auth_glue.c
blob: e7550185964c2859caac9ecc2980bddd8d7348eb [file] [log] [blame]
/*
* hostapd / WPA authenticator glue code
* Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi>
*
* 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 "utils/list.h"
#include "common/ieee802_11_defs.h"
#include "common/sae.h"
#include "common/wpa_ctrl.h"
#include "common/ptksa_cache.h"
#include "crypto/sha1.h"
#include "eapol_auth/eapol_auth_sm.h"
#include "eapol_auth/eapol_auth_sm_i.h"
#include "eap_server/eap.h"
#include "l2_packet/l2_packet.h"
#include "eth_p_oui.h"
#include "hostapd.h"
#include "ieee802_1x.h"
#include "preauth_auth.h"
#include "sta_info.h"
#include "tkip_countermeasures.h"
#include "ap_drv_ops.h"
#include "ap_config.h"
#include "ieee802_11.h"
#include "pmksa_cache_auth.h"
#include "wpa_auth.h"
#include "wpa_auth_glue.h"
static void hostapd_wpa_auth_conf(struct hostapd_bss_config *conf,
struct hostapd_config *iconf,
struct wpa_auth_config *wconf)
{
int sae_pw_id;
os_memset(wconf, 0, sizeof(*wconf));
wconf->wpa = conf->wpa;
wconf->extended_key_id = conf->extended_key_id;
wconf->wpa_key_mgmt = conf->wpa_key_mgmt;
wconf->wpa_pairwise = conf->wpa_pairwise;
wconf->wpa_group = conf->wpa_group;
wconf->wpa_group_rekey = conf->wpa_group_rekey;
wconf->wpa_strict_rekey = conf->wpa_strict_rekey;
wconf->wpa_gmk_rekey = conf->wpa_gmk_rekey;
wconf->wpa_ptk_rekey = conf->wpa_ptk_rekey;
wconf->wpa_group_update_count = conf->wpa_group_update_count;
wconf->wpa_disable_eapol_key_retries =
conf->wpa_disable_eapol_key_retries;
wconf->wpa_pairwise_update_count = conf->wpa_pairwise_update_count;
wconf->rsn_pairwise = conf->rsn_pairwise;
wconf->rsn_preauth = conf->rsn_preauth;
wconf->eapol_version = conf->eapol_version;
#ifdef CONFIG_MACSEC
if (wconf->eapol_version > 2)
wconf->eapol_version = 2;
#endif /* CONFIG_MACSEC */
wconf->wmm_enabled = conf->wmm_enabled;
wconf->wmm_uapsd = conf->wmm_uapsd;
wconf->disable_pmksa_caching = conf->disable_pmksa_caching;
#ifdef CONFIG_OCV
wconf->ocv = conf->ocv;
#endif /* CONFIG_OCV */
wconf->okc = conf->okc;
wconf->ieee80211w = conf->ieee80211w;
wconf->beacon_prot = conf->beacon_prot;
wconf->group_mgmt_cipher = conf->group_mgmt_cipher;
wconf->sae_require_mfp = conf->sae_require_mfp;
#ifdef CONFIG_IEEE80211R_AP
wconf->ssid_len = conf->ssid.ssid_len;
if (wconf->ssid_len > SSID_MAX_LEN)
wconf->ssid_len = SSID_MAX_LEN;
os_memcpy(wconf->ssid, conf->ssid.ssid, wconf->ssid_len);
os_memcpy(wconf->mobility_domain, conf->mobility_domain,
MOBILITY_DOMAIN_ID_LEN);
if (conf->nas_identifier &&
os_strlen(conf->nas_identifier) <= FT_R0KH_ID_MAX_LEN) {
wconf->r0_key_holder_len = os_strlen(conf->nas_identifier);
os_memcpy(wconf->r0_key_holder, conf->nas_identifier,
wconf->r0_key_holder_len);
}
os_memcpy(wconf->r1_key_holder, conf->r1_key_holder, FT_R1KH_ID_LEN);
wconf->r0_key_lifetime = conf->r0_key_lifetime;
wconf->r1_max_key_lifetime = conf->r1_max_key_lifetime;
wconf->reassociation_deadline = conf->reassociation_deadline;
wconf->rkh_pos_timeout = conf->rkh_pos_timeout;
wconf->rkh_neg_timeout = conf->rkh_neg_timeout;
wconf->rkh_pull_timeout = conf->rkh_pull_timeout;
wconf->rkh_pull_retries = conf->rkh_pull_retries;
wconf->r0kh_list = &conf->r0kh_list;
wconf->r1kh_list = &conf->r1kh_list;
wconf->pmk_r1_push = conf->pmk_r1_push;
wconf->ft_over_ds = conf->ft_over_ds;
wconf->ft_psk_generate_local = conf->ft_psk_generate_local;
#endif /* CONFIG_IEEE80211R_AP */
#ifdef CONFIG_HS20
wconf->disable_gtk = conf->disable_dgaf;
if (conf->osen) {
wconf->disable_gtk = 1;
wconf->wpa = WPA_PROTO_OSEN;
wconf->wpa_key_mgmt = WPA_KEY_MGMT_OSEN;
wconf->wpa_pairwise = 0;
wconf->wpa_group = WPA_CIPHER_CCMP;
wconf->rsn_pairwise = WPA_CIPHER_CCMP;
wconf->rsn_preauth = 0;
wconf->disable_pmksa_caching = 1;
wconf->ieee80211w = 1;
}
#endif /* CONFIG_HS20 */
#ifdef CONFIG_TESTING_OPTIONS
wconf->corrupt_gtk_rekey_mic_probability =
iconf->corrupt_gtk_rekey_mic_probability;
if (conf->own_ie_override &&
wpabuf_len(conf->own_ie_override) <= MAX_OWN_IE_OVERRIDE) {
wconf->own_ie_override_len = wpabuf_len(conf->own_ie_override);
os_memcpy(wconf->own_ie_override,
wpabuf_head(conf->own_ie_override),
wconf->own_ie_override_len);
}
if (conf->rsne_override_eapol &&
wpabuf_len(conf->rsne_override_eapol) <= MAX_OWN_IE_OVERRIDE) {
wconf->rsne_override_eapol_set = 1;
wconf->rsne_override_eapol_len =
wpabuf_len(conf->rsne_override_eapol);
os_memcpy(wconf->rsne_override_eapol,
wpabuf_head(conf->rsne_override_eapol),
wconf->rsne_override_eapol_len);
}
if (conf->rsnxe_override_eapol &&
wpabuf_len(conf->rsnxe_override_eapol) <= MAX_OWN_IE_OVERRIDE) {
wconf->rsnxe_override_eapol_set = 1;
wconf->rsnxe_override_eapol_len =
wpabuf_len(conf->rsnxe_override_eapol);
os_memcpy(wconf->rsnxe_override_eapol,
wpabuf_head(conf->rsnxe_override_eapol),
wconf->rsnxe_override_eapol_len);
}
if (conf->rsne_override_ft &&
wpabuf_len(conf->rsne_override_ft) <= MAX_OWN_IE_OVERRIDE) {
wconf->rsne_override_ft_set = 1;
wconf->rsne_override_ft_len =
wpabuf_len(conf->rsne_override_ft);
os_memcpy(wconf->rsne_override_ft,
wpabuf_head(conf->rsne_override_ft),
wconf->rsne_override_ft_len);
}
if (conf->rsnxe_override_ft &&
wpabuf_len(conf->rsnxe_override_ft) <= MAX_OWN_IE_OVERRIDE) {
wconf->rsnxe_override_ft_set = 1;
wconf->rsnxe_override_ft_len =
wpabuf_len(conf->rsnxe_override_ft);
os_memcpy(wconf->rsnxe_override_ft,
wpabuf_head(conf->rsnxe_override_ft),
wconf->rsnxe_override_ft_len);
}
if (conf->gtk_rsc_override &&
wpabuf_len(conf->gtk_rsc_override) > 0 &&
wpabuf_len(conf->gtk_rsc_override) <= WPA_KEY_RSC_LEN) {
os_memcpy(wconf->gtk_rsc_override,
wpabuf_head(conf->gtk_rsc_override),
wpabuf_len(conf->gtk_rsc_override));
wconf->gtk_rsc_override_set = 1;
}
if (conf->igtk_rsc_override &&
wpabuf_len(conf->igtk_rsc_override) > 0 &&
wpabuf_len(conf->igtk_rsc_override) <= WPA_KEY_RSC_LEN) {
os_memcpy(wconf->igtk_rsc_override,
wpabuf_head(conf->igtk_rsc_override),
wpabuf_len(conf->igtk_rsc_override));
wconf->igtk_rsc_override_set = 1;
}
wconf->ft_rsnxe_used = conf->ft_rsnxe_used;
wconf->oci_freq_override_eapol_m3 = conf->oci_freq_override_eapol_m3;
wconf->oci_freq_override_eapol_g1 = conf->oci_freq_override_eapol_g1;
wconf->oci_freq_override_ft_assoc = conf->oci_freq_override_ft_assoc;
wconf->oci_freq_override_fils_assoc =
conf->oci_freq_override_fils_assoc;
wconf->skip_send_eapol = iconf->skip_send_eapol;
wconf->enable_eapol_large_timeout = iconf->enable_eapol_large_timeout;
#endif /* CONFIG_TESTING_OPTIONS */
#ifdef CONFIG_P2P
os_memcpy(wconf->ip_addr_go, conf->ip_addr_go, 4);
os_memcpy(wconf->ip_addr_mask, conf->ip_addr_mask, 4);
os_memcpy(wconf->ip_addr_start, conf->ip_addr_start, 4);
os_memcpy(wconf->ip_addr_end, conf->ip_addr_end, 4);
#endif /* CONFIG_P2P */
#ifdef CONFIG_FILS
wconf->fils_cache_id_set = conf->fils_cache_id_set;
os_memcpy(wconf->fils_cache_id, conf->fils_cache_id,
FILS_CACHE_ID_LEN);
#endif /* CONFIG_FILS */
wconf->sae_pwe = conf->sae_pwe;
sae_pw_id = hostapd_sae_pw_id_in_use(conf);
if (sae_pw_id == 2 && wconf->sae_pwe != 3)
wconf->sae_pwe = 1;
else if (sae_pw_id == 1 && wconf->sae_pwe == 0)
wconf->sae_pwe = 2;
#ifdef CONFIG_SAE_PK
wconf->sae_pk = hostapd_sae_pk_in_use(conf);
#endif /* CONFIG_SAE_PK */
#ifdef CONFIG_OWE
wconf->owe_ptk_workaround = conf->owe_ptk_workaround;
#endif /* CONFIG_OWE */
wconf->transition_disable = conf->transition_disable;
#ifdef CONFIG_DPP2
wconf->dpp_pfs = conf->dpp_pfs;
#endif /* CONFIG_DPP2 */
#ifdef CONFIG_PASN
#ifdef CONFIG_TESTING_OPTIONS
wconf->force_kdk_derivation = conf->force_kdk_derivation;
#endif /* CONFIG_TESTING_OPTIONS */
#endif /* CONFIG_PASN */
}
static void hostapd_wpa_auth_logger(void *ctx, const u8 *addr,
logger_level level, const char *txt)
{
#ifndef CONFIG_NO_HOSTAPD_LOGGER
struct hostapd_data *hapd = ctx;
int hlevel;
switch (level) {
case LOGGER_WARNING:
hlevel = HOSTAPD_LEVEL_WARNING;
break;
case LOGGER_INFO:
hlevel = HOSTAPD_LEVEL_INFO;
break;
case LOGGER_DEBUG:
default:
hlevel = HOSTAPD_LEVEL_DEBUG;
break;
}
hostapd_logger(hapd, addr, HOSTAPD_MODULE_WPA, hlevel, "%s", txt);
#endif /* CONFIG_NO_HOSTAPD_LOGGER */
}
static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr,
u16 reason)
{
struct hostapd_data *hapd = ctx;
wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: "
"STA " MACSTR " reason %d",
__func__, MAC2STR(addr), reason);
ap_sta_disconnect(hapd, NULL, addr, reason);
}
static int hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr)
{
struct hostapd_data *hapd = ctx;
return michael_mic_failure(hapd, addr, 0);
}
static void hostapd_wpa_auth_psk_failure_report(void *ctx, const u8 *addr)
{
struct hostapd_data *hapd = ctx;
wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_POSSIBLE_PSK_MISMATCH MACSTR,
MAC2STR(addr));
}
static void hostapd_wpa_auth_set_eapol(void *ctx, const u8 *addr,
wpa_eapol_variable var, int value)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta = ap_get_sta(hapd, addr);
if (sta == NULL)
return;
switch (var) {
case WPA_EAPOL_portEnabled:
ieee802_1x_notify_port_enabled(sta->eapol_sm, value);
break;
case WPA_EAPOL_portValid:
ieee802_1x_notify_port_valid(sta->eapol_sm, value);
break;
case WPA_EAPOL_authorized:
ieee802_1x_set_sta_authorized(hapd, sta, value);
break;
case WPA_EAPOL_portControl_Auto:
if (sta->eapol_sm)
sta->eapol_sm->portControl = Auto;
break;
case WPA_EAPOL_keyRun:
if (sta->eapol_sm)
sta->eapol_sm->keyRun = value;
break;
case WPA_EAPOL_keyAvailable:
if (sta->eapol_sm)
sta->eapol_sm->eap_if->eapKeyAvailable = value;
break;
case WPA_EAPOL_keyDone:
if (sta->eapol_sm)
sta->eapol_sm->keyDone = value;
break;
case WPA_EAPOL_inc_EapolFramesTx:
if (sta->eapol_sm)
sta->eapol_sm->dot1xAuthEapolFramesTx++;
break;
}
}
static int hostapd_wpa_auth_get_eapol(void *ctx, const u8 *addr,
wpa_eapol_variable var)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta = ap_get_sta(hapd, addr);
if (sta == NULL || sta->eapol_sm == NULL)
return -1;
switch (var) {
case WPA_EAPOL_keyRun:
return sta->eapol_sm->keyRun;
case WPA_EAPOL_keyAvailable:
return sta->eapol_sm->eap_if->eapKeyAvailable;
default:
return -1;
}
}
static const u8 * hostapd_wpa_auth_get_psk(void *ctx, const u8 *addr,
const u8 *p2p_dev_addr,
const u8 *prev_psk, size_t *psk_len,
int *vlan_id)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta = ap_get_sta(hapd, addr);
const u8 *psk;
if (vlan_id)
*vlan_id = 0;
if (psk_len)
*psk_len = PMK_LEN;
#ifdef CONFIG_SAE
if (sta && sta->auth_alg == WLAN_AUTH_SAE) {
if (!sta->sae || prev_psk)
return NULL;
return sta->sae->pmk;
}
if (sta && wpa_auth_uses_sae(sta->wpa_sm)) {
wpa_printf(MSG_DEBUG,
"No PSK for STA trying to use SAE with PMKSA caching");
return NULL;
}
#endif /* CONFIG_SAE */
#ifdef CONFIG_OWE
if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) &&
sta && sta->owe_pmk) {
if (psk_len)
*psk_len = sta->owe_pmk_len;
return sta->owe_pmk;
}
if ((hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) && sta) {
struct rsn_pmksa_cache_entry *sa;
sa = wpa_auth_sta_get_pmksa(sta->wpa_sm);
if (sa && sa->akmp == WPA_KEY_MGMT_OWE) {
if (psk_len)
*psk_len = sa->pmk_len;
return sa->pmk;
}
}
#endif /* CONFIG_OWE */
psk = hostapd_get_psk(hapd->conf, addr, p2p_dev_addr, prev_psk,
vlan_id);
/*
* This is about to iterate over all psks, prev_psk gives the last
* returned psk which should not be returned again.
* logic list (all hostapd_get_psk; all sta->psk)
*/
if (sta && sta->psk && !psk) {
struct hostapd_sta_wpa_psk_short *pos;
if (vlan_id)
*vlan_id = 0;
psk = sta->psk->psk;
for (pos = sta->psk; pos; pos = pos->next) {
if (pos->is_passphrase) {
pbkdf2_sha1(pos->passphrase,
hapd->conf->ssid.ssid,
hapd->conf->ssid.ssid_len, 4096,
pos->psk, PMK_LEN);
pos->is_passphrase = 0;
}
if (pos->psk == prev_psk) {
psk = pos->next ? pos->next->psk : NULL;
break;
}
}
}
return psk;
}
static int hostapd_wpa_auth_get_msk(void *ctx, const u8 *addr, u8 *msk,
size_t *len)
{
struct hostapd_data *hapd = ctx;
const u8 *key;
size_t keylen;
struct sta_info *sta;
sta = ap_get_sta(hapd, addr);
if (sta == NULL) {
wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Cannot find STA");
return -1;
}
key = ieee802_1x_get_key(sta->eapol_sm, &keylen);
if (key == NULL) {
wpa_printf(MSG_DEBUG, "AUTH_GET_MSK: Key is null, eapol_sm: %p",
sta->eapol_sm);
return -1;
}
if (keylen > *len)
keylen = *len;
os_memcpy(msk, key, keylen);
*len = keylen;
return 0;
}
static int hostapd_wpa_auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg,
const u8 *addr, int idx, u8 *key,
size_t key_len, enum key_flag key_flag)
{
struct hostapd_data *hapd = ctx;
const char *ifname = hapd->conf->iface;
if (vlan_id > 0) {
ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id);
if (!ifname) {
if (!(hapd->iface->drv_flags &
WPA_DRIVER_FLAGS_VLAN_OFFLOAD))
return -1;
ifname = hapd->conf->iface;
}
}
#ifdef CONFIG_TESTING_OPTIONS
if (key_flag & KEY_FLAG_MODIFY) {
/* We are updating an already installed key. Don't overwrite
* the already stored key information with zeros.
*/
} else if (addr && !is_broadcast_ether_addr(addr)) {
struct sta_info *sta;
sta = ap_get_sta(hapd, addr);
if (sta) {
sta->last_tk_alg = alg;
sta->last_tk_key_idx = idx;
if (key)
os_memcpy(sta->last_tk, key, key_len);
sta->last_tk_len = key_len;
}
} else if (alg == WPA_ALG_BIP_CMAC_128 ||
alg == WPA_ALG_BIP_GMAC_128 ||
alg == WPA_ALG_BIP_GMAC_256 ||
alg == WPA_ALG_BIP_CMAC_256) {
if (idx == 4 || idx == 5) {
hapd->last_igtk_alg = alg;
hapd->last_igtk_key_idx = idx;
if (key)
os_memcpy(hapd->last_igtk, key, key_len);
hapd->last_igtk_len = key_len;
} else if (idx == 6 || idx == 7) {
hapd->last_bigtk_alg = alg;
hapd->last_bigtk_key_idx = idx;
if (key)
os_memcpy(hapd->last_bigtk, key, key_len);
hapd->last_bigtk_len = key_len;
}
} else {
hapd->last_gtk_alg = alg;
hapd->last_gtk_key_idx = idx;
if (key)
os_memcpy(hapd->last_gtk, key, key_len);
hapd->last_gtk_len = key_len;
}
#endif /* CONFIG_TESTING_OPTIONS */
return hostapd_drv_set_key(ifname, hapd, alg, addr, idx, vlan_id, 1,
NULL, 0, key, key_len, key_flag);
}
static int hostapd_wpa_auth_get_seqnum(void *ctx, const u8 *addr, int idx,
u8 *seq)
{
struct hostapd_data *hapd = ctx;
return hostapd_get_seqnum(hapd->conf->iface, hapd, addr, idx, seq);
}
static int hostapd_wpa_auth_send_eapol(void *ctx, const u8 *addr,
const u8 *data, size_t data_len,
int encrypt)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
u32 flags = 0;
#ifdef CONFIG_TESTING_OPTIONS
if (hapd->ext_eapol_frame_io) {
size_t hex_len = 2 * data_len + 1;
char *hex = os_malloc(hex_len);
if (hex == NULL)
return -1;
wpa_snprintf_hex(hex, hex_len, data, data_len);
wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
MAC2STR(addr), hex);
os_free(hex);
return 0;
}
#endif /* CONFIG_TESTING_OPTIONS */
sta = ap_get_sta(hapd, addr);
if (sta)
flags = hostapd_sta_flags_to_drv(sta->flags);
return hostapd_drv_hapd_send_eapol(hapd, addr, data, data_len,
encrypt, flags);
}
static int hostapd_wpa_auth_for_each_sta(
void *ctx, int (*cb)(struct wpa_state_machine *sm, void *ctx),
void *cb_ctx)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
for (sta = hapd->sta_list; sta; sta = sta->next) {
if (sta->wpa_sm && cb(sta->wpa_sm, cb_ctx))
return 1;
}
return 0;
}
struct wpa_auth_iface_iter_data {
int (*cb)(struct wpa_authenticator *sm, void *ctx);
void *cb_ctx;
};
static int wpa_auth_iface_iter(struct hostapd_iface *iface, void *ctx)
{
struct wpa_auth_iface_iter_data *data = ctx;
size_t i;
for (i = 0; i < iface->num_bss; i++) {
if (iface->bss[i]->wpa_auth &&
data->cb(iface->bss[i]->wpa_auth, data->cb_ctx))
return 1;
}
return 0;
}
static int hostapd_wpa_auth_for_each_auth(
void *ctx, int (*cb)(struct wpa_authenticator *sm, void *ctx),
void *cb_ctx)
{
struct hostapd_data *hapd = ctx;
struct wpa_auth_iface_iter_data data;
if (hapd->iface->interfaces == NULL ||
hapd->iface->interfaces->for_each_interface == NULL)
return -1;
data.cb = cb;
data.cb_ctx = cb_ctx;
return hapd->iface->interfaces->for_each_interface(
hapd->iface->interfaces, wpa_auth_iface_iter, &data);
}
#ifdef CONFIG_IEEE80211R_AP
struct wpa_ft_rrb_rx_later_data {
struct dl_list list;
u8 addr[ETH_ALEN];
size_t data_len;
/* followed by data_len octets of data */
};
static void hostapd_wpa_ft_rrb_rx_later(void *eloop_ctx, void *timeout_ctx)
{
struct hostapd_data *hapd = eloop_ctx;
struct wpa_ft_rrb_rx_later_data *data, *n;
dl_list_for_each_safe(data, n, &hapd->l2_queue,
struct wpa_ft_rrb_rx_later_data, list) {
if (hapd->wpa_auth) {
wpa_ft_rrb_rx(hapd->wpa_auth, data->addr,
(const u8 *) (data + 1),
data->data_len);
}
dl_list_del(&data->list);
os_free(data);
}
}
struct wpa_auth_ft_iface_iter_data {
struct hostapd_data *src_hapd;
const u8 *dst;
const u8 *data;
size_t data_len;
};
static int hostapd_wpa_auth_ft_iter(struct hostapd_iface *iface, void *ctx)
{
struct wpa_auth_ft_iface_iter_data *idata = ctx;
struct wpa_ft_rrb_rx_later_data *data;
struct hostapd_data *hapd;
size_t j;
for (j = 0; j < iface->num_bss; j++) {
hapd = iface->bss[j];
if (hapd == idata->src_hapd ||
!hapd->wpa_auth ||
os_memcmp(hapd->own_addr, idata->dst, ETH_ALEN) != 0)
continue;
wpa_printf(MSG_DEBUG,
"FT: Send RRB data directly to locally managed BSS "
MACSTR "@%s -> " MACSTR "@%s",
MAC2STR(idata->src_hapd->own_addr),
idata->src_hapd->conf->iface,
MAC2STR(hapd->own_addr), hapd->conf->iface);
/* Defer wpa_ft_rrb_rx() until next eloop step as this is
* when it would be triggered when reading from a socket.
* This avoids
* hapd0:send -> hapd1:recv -> hapd1:send -> hapd0:recv,
* that is calling hapd0:recv handler from within
* hapd0:send directly.
*/
data = os_zalloc(sizeof(*data) + idata->data_len);
if (!data)
return 1;
os_memcpy(data->addr, idata->src_hapd->own_addr, ETH_ALEN);
os_memcpy(data + 1, idata->data, idata->data_len);
data->data_len = idata->data_len;
dl_list_add(&hapd->l2_queue, &data->list);
if (!eloop_is_timeout_registered(hostapd_wpa_ft_rrb_rx_later,
hapd, NULL))
eloop_register_timeout(0, 0,
hostapd_wpa_ft_rrb_rx_later,
hapd, NULL);
return 1;
}
return 0;
}
#endif /* CONFIG_IEEE80211R_AP */
static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto,
const u8 *data, size_t data_len)
{
struct hostapd_data *hapd = ctx;
struct l2_ethhdr *buf;
int ret;
#ifdef CONFIG_TESTING_OPTIONS
if (hapd->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
size_t hex_len = 2 * data_len + 1;
char *hex = os_malloc(hex_len);
if (hex == NULL)
return -1;
wpa_snprintf_hex(hex, hex_len, data, data_len);
wpa_msg(hapd->msg_ctx, MSG_INFO, "EAPOL-TX " MACSTR " %s",
MAC2STR(dst), hex);
os_free(hex);
return 0;
}
#endif /* CONFIG_TESTING_OPTIONS */
#ifdef CONFIG_IEEE80211R_AP
if (proto == ETH_P_RRB && hapd->iface->interfaces &&
hapd->iface->interfaces->for_each_interface) {
int res;
struct wpa_auth_ft_iface_iter_data idata;
idata.src_hapd = hapd;
idata.dst = dst;
idata.data = data;
idata.data_len = data_len;
res = hapd->iface->interfaces->for_each_interface(
hapd->iface->interfaces, hostapd_wpa_auth_ft_iter,
&idata);
if (res == 1)
return data_len;
}
#endif /* CONFIG_IEEE80211R_AP */
if (hapd->l2 == NULL)
return -1;
buf = os_malloc(sizeof(*buf) + data_len);
if (buf == NULL)
return -1;
os_memcpy(buf->h_dest, dst, ETH_ALEN);
os_memcpy(buf->h_source, hapd->own_addr, ETH_ALEN);
buf->h_proto = host_to_be16(proto);
os_memcpy(buf + 1, data, data_len);
ret = l2_packet_send(hapd->l2, dst, proto, (u8 *) buf,
sizeof(*buf) + data_len);
os_free(buf);
return ret;
}
#ifdef CONFIG_ETH_P_OUI
static struct eth_p_oui_ctx * hostapd_wpa_get_oui(struct hostapd_data *hapd,
u8 oui_suffix)
{
switch (oui_suffix) {
#ifdef CONFIG_IEEE80211R_AP
case FT_PACKET_R0KH_R1KH_PULL:
return hapd->oui_pull;
case FT_PACKET_R0KH_R1KH_RESP:
return hapd->oui_resp;
case FT_PACKET_R0KH_R1KH_PUSH:
return hapd->oui_push;
case FT_PACKET_R0KH_R1KH_SEQ_REQ:
return hapd->oui_sreq;
case FT_PACKET_R0KH_R1KH_SEQ_RESP:
return hapd->oui_sresp;
#endif /* CONFIG_IEEE80211R_AP */
default:
return NULL;
}
}
#endif /* CONFIG_ETH_P_OUI */
#ifdef CONFIG_IEEE80211R_AP
struct oui_deliver_later_data {
struct dl_list list;
u8 src_addr[ETH_ALEN];
u8 dst_addr[ETH_ALEN];
size_t data_len;
u8 oui_suffix;
/* followed by data_len octets of data */
};
static void hostapd_oui_deliver_later(void *eloop_ctx, void *timeout_ctx)
{
struct hostapd_data *hapd = eloop_ctx;
struct oui_deliver_later_data *data, *n;
struct eth_p_oui_ctx *oui_ctx;
dl_list_for_each_safe(data, n, &hapd->l2_oui_queue,
struct oui_deliver_later_data, list) {
oui_ctx = hostapd_wpa_get_oui(hapd, data->oui_suffix);
wpa_printf(MSG_DEBUG, "RRB(%s): %s src=" MACSTR " dst=" MACSTR
" oui_suffix=%u data_len=%u data=%p",
hapd->conf->iface, __func__,
MAC2STR(data->src_addr), MAC2STR(data->dst_addr),
data->oui_suffix, (unsigned int) data->data_len,
data);
if (hapd->wpa_auth && oui_ctx) {
eth_p_oui_deliver(oui_ctx, data->src_addr,
data->dst_addr,
(const u8 *) (data + 1),
data->data_len);
}
dl_list_del(&data->list);
os_free(data);
}
}
struct wpa_auth_oui_iface_iter_data {
struct hostapd_data *src_hapd;
const u8 *dst_addr;
const u8 *data;
size_t data_len;
u8 oui_suffix;
};
static int hostapd_wpa_auth_oui_iter(struct hostapd_iface *iface, void *ctx)
{
struct wpa_auth_oui_iface_iter_data *idata = ctx;
struct oui_deliver_later_data *data;
struct hostapd_data *hapd, *src_hapd = idata->src_hapd;
size_t j;
for (j = 0; j < iface->num_bss; j++) {
hapd = iface->bss[j];
if (hapd == src_hapd)
continue; /* don't deliver back to same interface */
if (!wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt) ||
hapd->conf->ssid.ssid_len !=
src_hapd->conf->ssid.ssid_len ||
os_memcmp(hapd->conf->ssid.ssid,
src_hapd->conf->ssid.ssid,
hapd->conf->ssid.ssid_len) != 0 ||
os_memcmp(hapd->conf->mobility_domain,
src_hapd->conf->mobility_domain,
MOBILITY_DOMAIN_ID_LEN) != 0)
continue; /* no matching FT SSID/mobility domain */
if (!is_multicast_ether_addr(idata->dst_addr) &&
os_memcmp(hapd->own_addr, idata->dst_addr, ETH_ALEN) != 0)
continue; /* destination address does not match */
/* defer eth_p_oui_deliver until next eloop step as this is
* when it would be triggerd from reading from sock
* This avoids
* hapd0:send -> hapd1:recv -> hapd1:send -> hapd0:recv,
* that is calling hapd0:recv handler from within
* hapd0:send directly.
*/
data = os_zalloc(sizeof(*data) + idata->data_len);
if (!data)
return 1;
wpa_printf(MSG_DEBUG,
"RRB(%s): local delivery to %s dst=" MACSTR
" oui_suffix=%u data_len=%u data=%p",
src_hapd->conf->iface, hapd->conf->iface,
MAC2STR(idata->dst_addr), idata->oui_suffix,
(unsigned int) idata->data_len, data);
os_memcpy(data->src_addr, src_hapd->own_addr, ETH_ALEN);
os_memcpy(data->dst_addr, idata->dst_addr, ETH_ALEN);
os_memcpy(data + 1, idata->data, idata->data_len);
data->data_len = idata->data_len;
data->oui_suffix = idata->oui_suffix;
dl_list_add_tail(&hapd->l2_oui_queue, &data->list);
if (!eloop_is_timeout_registered(hostapd_oui_deliver_later,
hapd, NULL))
eloop_register_timeout(0, 0,
hostapd_oui_deliver_later,
hapd, NULL);
/* If dst_addr is a multicast address, do not return any
* non-zero value here. Otherwise, the iteration of
* for_each_interface() will be stopped. */
if (!is_multicast_ether_addr(idata->dst_addr))
return 1;
}
return 0;
}
#endif /* CONFIG_IEEE80211R_AP */
static int hostapd_wpa_auth_send_oui(void *ctx, const u8 *dst, u8 oui_suffix,
const u8 *data, size_t data_len)
{
#ifdef CONFIG_ETH_P_OUI
struct hostapd_data *hapd = ctx;
struct eth_p_oui_ctx *oui_ctx;
wpa_printf(MSG_DEBUG, "RRB(%s): send to dst=" MACSTR
" oui_suffix=%u data_len=%u",
hapd->conf->iface, MAC2STR(dst), oui_suffix,
(unsigned int) data_len);
#ifdef CONFIG_IEEE80211R_AP
if (hapd->iface->interfaces &&
hapd->iface->interfaces->for_each_interface) {
struct wpa_auth_oui_iface_iter_data idata;
int res;
idata.src_hapd = hapd;
idata.dst_addr = dst;
idata.data = data;
idata.data_len = data_len;
idata.oui_suffix = oui_suffix;
res = hapd->iface->interfaces->for_each_interface(
hapd->iface->interfaces, hostapd_wpa_auth_oui_iter,
&idata);
if (res == 1)
return data_len;
}
#endif /* CONFIG_IEEE80211R_AP */
oui_ctx = hostapd_wpa_get_oui(hapd, oui_suffix);
if (!oui_ctx)
return -1;
return eth_p_oui_send(oui_ctx, hapd->own_addr, dst, data, data_len);
#else /* CONFIG_ETH_P_OUI */
return -1;
#endif /* CONFIG_ETH_P_OUI */
}
static int hostapd_channel_info(void *ctx, struct wpa_channel_info *ci)
{
struct hostapd_data *hapd = ctx;
return hostapd_drv_channel_info(hapd, ci);
}
#ifdef CONFIG_PASN
static void hostapd_store_ptksa(void *ctx, const u8 *addr,int cipher,
u32 life_time, const struct wpa_ptk *ptk)
{
struct hostapd_data *hapd = ctx;
ptksa_cache_add(hapd->ptksa, addr, cipher, life_time, ptk);
}
static void hostapd_clear_ptksa(void *ctx, const u8 *addr, int cipher)
{
struct hostapd_data *hapd = ctx;
ptksa_cache_flush(hapd->ptksa, addr, cipher);
}
#endif /* CONFIG_PASN */
static int hostapd_wpa_auth_update_vlan(void *ctx, const u8 *addr, int vlan_id)
{
#ifndef CONFIG_NO_VLAN
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
sta = ap_get_sta(hapd, addr);
if (!sta)
return -1;
if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_VLAN_OFFLOAD)) {
struct vlan_description vlan_desc;
os_memset(&vlan_desc, 0, sizeof(vlan_desc));
vlan_desc.notempty = 1;
vlan_desc.untagged = vlan_id;
if (!hostapd_vlan_valid(hapd->conf->vlan, &vlan_desc)) {
wpa_printf(MSG_INFO,
"Invalid VLAN ID %d in wpa_psk_file",
vlan_id);
return -1;
}
if (ap_sta_set_vlan(hapd, sta, &vlan_desc) < 0) {
wpa_printf(MSG_INFO,
"Failed to assign VLAN ID %d from wpa_psk_file to "
MACSTR, vlan_id, MAC2STR(sta->addr));
return -1;
}
} else {
sta->vlan_id = vlan_id;
}
wpa_printf(MSG_INFO,
"Assigned VLAN ID %d from wpa_psk_file to " MACSTR,
vlan_id, MAC2STR(sta->addr));
if ((sta->flags & WLAN_STA_ASSOC) &&
ap_sta_bind_vlan(hapd, sta) < 0)
return -1;
#endif /* CONFIG_NO_VLAN */
return 0;
}
#ifdef CONFIG_OCV
static int hostapd_get_sta_tx_params(void *ctx, const u8 *addr,
int ap_max_chanwidth, int ap_seg1_idx,
int *bandwidth, int *seg1_idx)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
sta = ap_get_sta(hapd, addr);
if (!sta) {
hostapd_wpa_auth_logger(hapd, addr, LOGGER_INFO,
"Failed to get STA info to validate received OCI");
return -1;
}
return get_tx_parameters(sta, ap_max_chanwidth, ap_seg1_idx, bandwidth,
seg1_idx);
}
#endif /* CONFIG_OCV */
#ifdef CONFIG_IEEE80211R_AP
static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst,
const u8 *data, size_t data_len)
{
struct hostapd_data *hapd = ctx;
int res;
struct ieee80211_mgmt *m;
size_t mlen;
struct sta_info *sta;
sta = ap_get_sta(hapd, dst);
if (sta == NULL || sta->wpa_sm == NULL)
return -1;
m = os_zalloc(sizeof(*m) + data_len);
if (m == NULL)
return -1;
mlen = ((u8 *) &m->u - (u8 *) m) + data_len;
m->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_ACTION);
os_memcpy(m->da, dst, ETH_ALEN);
os_memcpy(m->sa, hapd->own_addr, ETH_ALEN);
os_memcpy(m->bssid, hapd->own_addr, ETH_ALEN);
os_memcpy(&m->u, data, data_len);
res = hostapd_drv_send_mlme(hapd, (u8 *) m, mlen, 0, NULL, 0, 0);
os_free(m);
return res;
}
static struct wpa_state_machine *
hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
int ret;
wpa_printf(MSG_DEBUG, "Add station entry for " MACSTR
" based on WPA authenticator callback",
MAC2STR(sta_addr));
ret = hostapd_add_sta_node(hapd, sta_addr, WLAN_AUTH_FT);
/*
* The expected return values from hostapd_add_sta_node() are
* 0: successfully added STA entry
* -EOPNOTSUPP: driver or driver wrapper does not support/need this
* operations
* any other negative value: error in adding the STA entry */
if (ret < 0 && ret != -EOPNOTSUPP)
return NULL;
sta = ap_sta_add(hapd, sta_addr);
if (sta == NULL)
return NULL;
if (ret == 0)
sta->added_unassoc = 1;
sta->ft_over_ds = 1;
if (sta->wpa_sm) {
sta->auth_alg = WLAN_AUTH_FT;
return sta->wpa_sm;
}
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr, NULL);
if (sta->wpa_sm == NULL) {
ap_free_sta(hapd, sta);
return NULL;
}
sta->auth_alg = WLAN_AUTH_FT;
return sta->wpa_sm;
}
static int hostapd_wpa_auth_add_sta_ft(void *ctx, const u8 *sta_addr)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
sta = ap_get_sta(hapd, sta_addr);
if (!sta)
return -1;
if (FULL_AP_CLIENT_STATE_SUPP(hapd->iface->drv_flags) &&
(sta->flags & WLAN_STA_MFP) && ap_sta_is_authorized(sta) &&
!(hapd->conf->mesh & MESH_ENABLED) && !(sta->added_unassoc)) {
/* We could not do this in handle_auth() since there was a
* PMF-enabled association for the STA and the new
* authentication attempt was not yet fully processed. Now that
* we are ready to configure the TK to the driver,
* authentication has succeeded and we can clean up the driver
* STA entry to avoid issues with any maintained state from the
* previous association. */
wpa_printf(MSG_DEBUG,
"FT: Remove and re-add driver STA entry after successful FT authentication");
return ap_sta_re_add(hapd, sta);
}
return 0;
}
static int hostapd_wpa_auth_set_vlan(void *ctx, const u8 *sta_addr,
struct vlan_description *vlan)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
sta = ap_get_sta(hapd, sta_addr);
if (!sta || !sta->wpa_sm)
return -1;
if (vlan->notempty &&
!hostapd_vlan_valid(hapd->conf->vlan, vlan)) {
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO,
"Invalid VLAN %d%s received from FT",
vlan->untagged, vlan->tagged[0] ? "+" : "");
return -1;
}
if (ap_sta_set_vlan(hapd, sta, vlan) < 0)
return -1;
/* Configure wpa_group for GTK but ignore error due to driver not
* knowing this STA. */
ap_sta_bind_vlan(hapd, sta);
if (sta->vlan_id)
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "VLAN ID %d", sta->vlan_id);
return 0;
}
static int hostapd_wpa_auth_get_vlan(void *ctx, const u8 *sta_addr,
struct vlan_description *vlan)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
sta = ap_get_sta(hapd, sta_addr);
if (!sta)
return -1;
if (sta->vlan_desc)
*vlan = *sta->vlan_desc;
else
os_memset(vlan, 0, sizeof(*vlan));
return 0;
}
static int
hostapd_wpa_auth_set_identity(void *ctx, const u8 *sta_addr,
const u8 *identity, size_t identity_len)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
sta = ap_get_sta(hapd, sta_addr);
if (!sta)
return -1;
os_free(sta->identity);
sta->identity = NULL;
if (sta->eapol_sm) {
os_free(sta->eapol_sm->identity);
sta->eapol_sm->identity = NULL;
sta->eapol_sm->identity_len = 0;
}
if (!identity_len)
return 0;
/* sta->identity is NULL terminated */
sta->identity = os_zalloc(identity_len + 1);
if (!sta->identity)
return -1;
os_memcpy(sta->identity, identity, identity_len);
if (sta->eapol_sm) {
sta->eapol_sm->identity = os_zalloc(identity_len);
if (!sta->eapol_sm->identity)
return -1;
os_memcpy(sta->eapol_sm->identity, identity, identity_len);
sta->eapol_sm->identity_len = identity_len;
}
return 0;
}
static size_t
hostapd_wpa_auth_get_identity(void *ctx, const u8 *sta_addr, const u8 **buf)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
size_t len;
char *identity;
sta = ap_get_sta(hapd, sta_addr);
if (!sta)
return 0;
*buf = ieee802_1x_get_identity(sta->eapol_sm, &len);
if (*buf && len)
return len;
if (!sta->identity) {
*buf = NULL;
return 0;
}
identity = sta->identity;
len = os_strlen(identity);
*buf = (u8 *) identity;
return len;
}
static int
hostapd_wpa_auth_set_radius_cui(void *ctx, const u8 *sta_addr,
const u8 *radius_cui, size_t radius_cui_len)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
sta = ap_get_sta(hapd, sta_addr);
if (!sta)
return -1;
os_free(sta->radius_cui);
sta->radius_cui = NULL;
if (sta->eapol_sm) {
wpabuf_free(sta->eapol_sm->radius_cui);
sta->eapol_sm->radius_cui = NULL;
}
if (!radius_cui)
return 0;
/* sta->radius_cui is NULL terminated */
sta->radius_cui = os_zalloc(radius_cui_len + 1);
if (!sta->radius_cui)
return -1;
os_memcpy(sta->radius_cui, radius_cui, radius_cui_len);
if (sta->eapol_sm) {
sta->eapol_sm->radius_cui = wpabuf_alloc_copy(radius_cui,
radius_cui_len);
if (!sta->eapol_sm->radius_cui)
return -1;
}
return 0;
}
static size_t
hostapd_wpa_auth_get_radius_cui(void *ctx, const u8 *sta_addr, const u8 **buf)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
struct wpabuf *b;
size_t len;
char *radius_cui;
sta = ap_get_sta(hapd, sta_addr);
if (!sta)
return 0;
b = ieee802_1x_get_radius_cui(sta->eapol_sm);
if (b) {
len = wpabuf_len(b);
*buf = wpabuf_head(b);
return len;
}
if (!sta->radius_cui) {
*buf = NULL;
return 0;
}
radius_cui = sta->radius_cui;
len = os_strlen(radius_cui);
*buf = (u8 *) radius_cui;
return len;
}
static void hostapd_wpa_auth_set_session_timeout(void *ctx, const u8 *sta_addr,
int session_timeout)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
sta = ap_get_sta(hapd, sta_addr);
if (!sta)
return;
if (session_timeout) {
os_get_reltime(&sta->session_timeout);
sta->session_timeout.sec += session_timeout;
sta->session_timeout_set = 1;
ap_sta_session_timeout(hapd, sta, session_timeout);
} else {
sta->session_timeout_set = 0;
ap_sta_no_session_timeout(hapd, sta);
}
}
static int hostapd_wpa_auth_get_session_timeout(void *ctx, const u8 *sta_addr)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta;
struct os_reltime now, remaining;
sta = ap_get_sta(hapd, sta_addr);
if (!sta || !sta->session_timeout_set)
return 0;
os_get_reltime(&now);
if (os_reltime_before(&sta->session_timeout, &now)) {
/* already expired, return >0 as timeout was set */
return 1;
}
os_reltime_sub(&sta->session_timeout, &now, &remaining);
return (remaining.sec > 0) ? remaining.sec : 1;
}
static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf,
size_t len)
{
struct hostapd_data *hapd = ctx;
struct l2_ethhdr *ethhdr;
if (len < sizeof(*ethhdr))
return;
ethhdr = (struct l2_ethhdr *) buf;
wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
MACSTR, MAC2STR(ethhdr->h_source), MAC2STR(ethhdr->h_dest));
if (!is_multicast_ether_addr(ethhdr->h_dest) &&
os_memcmp(hapd->own_addr, ethhdr->h_dest, ETH_ALEN) != 0)
return;
wpa_ft_rrb_rx(hapd->wpa_auth, ethhdr->h_source, buf + sizeof(*ethhdr),
len - sizeof(*ethhdr));
}
static void hostapd_rrb_oui_receive(void *ctx, const u8 *src_addr,
const u8 *dst_addr, u8 oui_suffix,
const u8 *buf, size_t len)
{
struct hostapd_data *hapd = ctx;
wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> "
MACSTR, MAC2STR(src_addr), MAC2STR(dst_addr));
if (!is_multicast_ether_addr(dst_addr) &&
os_memcmp(hapd->own_addr, dst_addr, ETH_ALEN) != 0)
return;
wpa_ft_rrb_oui_rx(hapd->wpa_auth, src_addr, dst_addr, oui_suffix, buf,
len);
}
static int hostapd_wpa_auth_add_tspec(void *ctx, const u8 *sta_addr,
u8 *tspec_ie, size_t tspec_ielen)
{
struct hostapd_data *hapd = ctx;
return hostapd_add_tspec(hapd, sta_addr, tspec_ie, tspec_ielen);
}
static int hostapd_wpa_register_ft_oui(struct hostapd_data *hapd,
const char *ft_iface)
{
hapd->oui_pull = eth_p_oui_register(hapd, ft_iface,
FT_PACKET_R0KH_R1KH_PULL,
hostapd_rrb_oui_receive, hapd);
if (!hapd->oui_pull)
return -1;
hapd->oui_resp = eth_p_oui_register(hapd, ft_iface,
FT_PACKET_R0KH_R1KH_RESP,
hostapd_rrb_oui_receive, hapd);
if (!hapd->oui_resp)
return -1;
hapd->oui_push = eth_p_oui_register(hapd, ft_iface,
FT_PACKET_R0KH_R1KH_PUSH,
hostapd_rrb_oui_receive, hapd);
if (!hapd->oui_push)
return -1;
hapd->oui_sreq = eth_p_oui_register(hapd, ft_iface,
FT_PACKET_R0KH_R1KH_SEQ_REQ,
hostapd_rrb_oui_receive, hapd);
if (!hapd->oui_sreq)
return -1;
hapd->oui_sresp = eth_p_oui_register(hapd, ft_iface,
FT_PACKET_R0KH_R1KH_SEQ_RESP,
hostapd_rrb_oui_receive, hapd);
if (!hapd->oui_sresp)
return -1;
return 0;
}
static void hostapd_wpa_unregister_ft_oui(struct hostapd_data *hapd)
{
eth_p_oui_unregister(hapd->oui_pull);
hapd->oui_pull = NULL;
eth_p_oui_unregister(hapd->oui_resp);
hapd->oui_resp = NULL;
eth_p_oui_unregister(hapd->oui_push);
hapd->oui_push = NULL;
eth_p_oui_unregister(hapd->oui_sreq);
hapd->oui_sreq = NULL;
eth_p_oui_unregister(hapd->oui_sresp);
hapd->oui_sresp = NULL;
}
#endif /* CONFIG_IEEE80211R_AP */
int hostapd_setup_wpa(struct hostapd_data *hapd)
{
struct wpa_auth_config _conf;
static const struct wpa_auth_callbacks cb = {
.logger = hostapd_wpa_auth_logger,
.disconnect = hostapd_wpa_auth_disconnect,
.mic_failure_report = hostapd_wpa_auth_mic_failure_report,
.psk_failure_report = hostapd_wpa_auth_psk_failure_report,
.set_eapol = hostapd_wpa_auth_set_eapol,
.get_eapol = hostapd_wpa_auth_get_eapol,
.get_psk = hostapd_wpa_auth_get_psk,
.get_msk = hostapd_wpa_auth_get_msk,
.set_key = hostapd_wpa_auth_set_key,
.get_seqnum = hostapd_wpa_auth_get_seqnum,
.send_eapol = hostapd_wpa_auth_send_eapol,
.for_each_sta = hostapd_wpa_auth_for_each_sta,
.for_each_auth = hostapd_wpa_auth_for_each_auth,
.send_ether = hostapd_wpa_auth_send_ether,
.send_oui = hostapd_wpa_auth_send_oui,
.channel_info = hostapd_channel_info,
.update_vlan = hostapd_wpa_auth_update_vlan,
#ifdef CONFIG_PASN
.store_ptksa = hostapd_store_ptksa,
.clear_ptksa = hostapd_clear_ptksa,
#endif /* CONFIG_PASN */
#ifdef CONFIG_OCV
.get_sta_tx_params = hostapd_get_sta_tx_params,
#endif /* CONFIG_OCV */
#ifdef CONFIG_IEEE80211R_AP
.send_ft_action = hostapd_wpa_auth_send_ft_action,
.add_sta = hostapd_wpa_auth_add_sta,
.add_sta_ft = hostapd_wpa_auth_add_sta_ft,
.add_tspec = hostapd_wpa_auth_add_tspec,
.set_vlan = hostapd_wpa_auth_set_vlan,
.get_vlan = hostapd_wpa_auth_get_vlan,
.set_identity = hostapd_wpa_auth_set_identity,
.get_identity = hostapd_wpa_auth_get_identity,
.set_radius_cui = hostapd_wpa_auth_set_radius_cui,
.get_radius_cui = hostapd_wpa_auth_get_radius_cui,
.set_session_timeout = hostapd_wpa_auth_set_session_timeout,
.get_session_timeout = hostapd_wpa_auth_get_session_timeout,
#endif /* CONFIG_IEEE80211R_AP */
};
const u8 *wpa_ie;
size_t wpa_ie_len;
hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &_conf);
_conf.msg_ctx = hapd->msg_ctx;
if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS)
_conf.tx_status = 1;
if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_AP_MLME)
_conf.ap_mlme = 1;
if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_WIRED) &&
(hapd->conf->wpa_deny_ptk0_rekey == PTK0_REKEY_ALLOW_NEVER ||
(hapd->conf->wpa_deny_ptk0_rekey == PTK0_REKEY_ALLOW_LOCAL_OK &&
!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_SAFE_PTK0_REKEYS)))) {
wpa_msg(hapd->msg_ctx, MSG_INFO,
"Disable PTK0 rekey support - replaced with disconnect");
_conf.wpa_deny_ptk0_rekey = 1;
}
if (_conf.extended_key_id &&
(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EXTENDED_KEY_ID))
wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Extended Key ID supported");
else
_conf.extended_key_id = 0;
if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_BEACON_PROTECTION))
_conf.beacon_prot = 0;
#ifdef CONFIG_OCV
if (!(hapd->iface->drv_flags2 &
(WPA_DRIVER_FLAGS2_AP_SME | WPA_DRIVER_FLAGS2_OCV)))
_conf.ocv = 0;
#endif /* CONFIG_OCV */
_conf.secure_ltf =
!!(hapd->iface->drv_flags2 & WPA_DRIVER_FLAGS2_SEC_LTF);
_conf.secure_rtt =
!!(hapd->iface->drv_flags2 & WPA_DRIVER_FLAGS2_SEC_RTT);
_conf.prot_range_neg =
!!(hapd->iface->drv_flags2 & WPA_DRIVER_FLAGS2_PROT_RANGE_NEG);
hapd->wpa_auth = wpa_init(hapd->own_addr, &_conf, &cb, hapd);
if (hapd->wpa_auth == NULL) {
wpa_printf(MSG_ERROR, "WPA initialization failed.");
return -1;
}
if (hostapd_set_privacy(hapd, 1)) {
wpa_printf(MSG_ERROR, "Could not set PrivacyInvoked "
"for interface %s", hapd->conf->iface);
return -1;
}
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.");
return -1;
}
if (rsn_preauth_iface_init(hapd)) {
wpa_printf(MSG_ERROR, "Initialization of RSN "
"pre-authentication failed.");
return -1;
}
hapd->ptksa = ptksa_cache_init();
if (!hapd->ptksa) {
wpa_printf(MSG_ERROR, "Failed to allocate PTKSA cache");
return -1;
}
#ifdef CONFIG_IEEE80211R_AP
if (!hostapd_drv_none(hapd) &&
wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt)) {
const char *ft_iface;
ft_iface = hapd->conf->bridge[0] ? hapd->conf->bridge :
hapd->conf->iface;
hapd->l2 = l2_packet_init(ft_iface, NULL, ETH_P_RRB,
hostapd_rrb_receive, hapd, 1);
if (!hapd->l2) {
wpa_printf(MSG_ERROR, "Failed to open l2_packet "
"interface");
return -1;
}
if (hostapd_wpa_register_ft_oui(hapd, ft_iface)) {
wpa_printf(MSG_ERROR,
"Failed to open ETH_P_OUI interface");
return -1;
}
}
#endif /* CONFIG_IEEE80211R_AP */
return 0;
}
void hostapd_reconfig_wpa(struct hostapd_data *hapd)
{
struct wpa_auth_config wpa_auth_conf;
hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &wpa_auth_conf);
wpa_reconfig(hapd->wpa_auth, &wpa_auth_conf);
}
void hostapd_deinit_wpa(struct hostapd_data *hapd)
{
ieee80211_tkip_countermeasures_deinit(hapd);
ptksa_cache_deinit(hapd->ptksa);
hapd->ptksa = NULL;
rsn_preauth_iface_deinit(hapd);
if (hapd->wpa_auth) {
wpa_deinit(hapd->wpa_auth);
hapd->wpa_auth = NULL;
if (hapd->drv_priv && hostapd_set_privacy(hapd, 0)) {
wpa_printf(MSG_DEBUG, "Could not disable "
"PrivacyInvoked for interface %s",
hapd->conf->iface);
}
if (hapd->drv_priv &&
hostapd_set_generic_elem(hapd, (u8 *) "", 0)) {
wpa_printf(MSG_DEBUG, "Could not remove generic "
"information element from interface %s",
hapd->conf->iface);
}
}
ieee802_1x_deinit(hapd);
#ifdef CONFIG_IEEE80211R_AP
eloop_cancel_timeout(hostapd_wpa_ft_rrb_rx_later, hapd, ELOOP_ALL_CTX);
hostapd_wpa_ft_rrb_rx_later(hapd, NULL); /* flush without delivering */
eloop_cancel_timeout(hostapd_oui_deliver_later, hapd, ELOOP_ALL_CTX);
hostapd_oui_deliver_later(hapd, NULL); /* flush without delivering */
l2_packet_deinit(hapd->l2);
hapd->l2 = NULL;
hostapd_wpa_unregister_ft_oui(hapd);
#endif /* CONFIG_IEEE80211R_AP */
}