static struct gas_dialog_info *
gas_dialog_create(struct hostapd_data *hapd, const u8 *addr, u8 dialog_token)
{
struct sta_info *sta;
struct gas_dialog_info *dia = NULL;
int i, j;
sta = ap_get_sta(hapd, addr);
if (!sta) {
/*
* We need a STA entry to be able to maintain state for
* the GAS query.
*/
wpa_printf(MSG_DEBUG, "ANQP: Add a temporary STA entry for "
"GAS query");
sta = ap_sta_add(hapd, addr);
if (!sta) {
wpa_printf(MSG_DEBUG, "Failed to add STA " MACSTR
" for GAS query", MAC2STR(addr));
return NULL;
}
sta->flags |= WLAN_STA_GAS;
/*
* The default inactivity is 300 seconds. We don't need
* it to be that long.
*/
ap_sta_session_timeout(hapd, sta, 5);
} else {
ap_sta_replenish_timeout(hapd, sta, 5);
}
if (sta->gas_dialog == NULL) {
sta->gas_dialog = os_zalloc(GAS_DIALOG_MAX *
sizeof(struct gas_dialog_info));
if (sta->gas_dialog == NULL)
return NULL;
}
for (i = sta->gas_dialog_next, j = 0; j < GAS_DIALOG_MAX; i++, j++) {
if (i == GAS_DIALOG_MAX)
i = 0;
if (sta->gas_dialog[i].valid)
continue;
dia = &sta->gas_dialog[i];
dia->valid = 1;
dia->index = i;
dia->dialog_token = dialog_token;
sta->gas_dialog_next = (++i == GAS_DIALOG_MAX) ? 0 : i;
return dia;
}
wpa_msg(hapd->msg_ctx, MSG_ERROR, "ANQP: Could not create dialog for "
MACSTR " dialog_token %u. Consider increasing "
"GAS_DIALOG_MAX.", MAC2STR(addr), dialog_token);
return NULL;
}
static void handle_auth(hostapd *hapd, struct ieee80211_mgmt *mgmt, size_t len)
{
u16 auth_alg, auth_transaction, status_code;
u16 resp = WLAN_STATUS_SUCCESS;
struct sta_info *sta = NULL;
int res;
u16 fc;
u8 *challenge = NULL;
u32 session_timeout, acct_interim_interval;
if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth)) {
printf("handle_auth - too short payload (len=%lu)\n",
(unsigned long) len);
return;
}
auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
auth_transaction = le_to_host16(mgmt->u.auth.auth_transaction);
status_code = le_to_host16(mgmt->u.auth.status_code);
fc = le_to_host16(mgmt->frame_control);
if (len >= IEEE80211_HDRLEN + sizeof(mgmt->u.auth) +
2 + WLAN_AUTH_CHALLENGE_LEN &&
mgmt->u.auth.variable[0] == WLAN_EID_CHALLENGE &&
mgmt->u.auth.variable[1] == WLAN_AUTH_CHALLENGE_LEN)
challenge = &mgmt->u.auth.variable[2];
HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
"authentication: STA=" MACSTR " auth_alg=%d "
"auth_transaction=%d status_code=%d wep=%d%s\n",
MAC2STR(mgmt->sa), auth_alg, auth_transaction,
status_code, !!(fc & WLAN_FC_ISWEP),
challenge ? " challenge" : "");
if (hapd->assoc_ap_state == AUTHENTICATE && auth_transaction == 2 &&
memcmp(mgmt->sa, hapd->conf->assoc_ap_addr, ETH_ALEN) == 0 &&
memcmp(mgmt->bssid, hapd->conf->assoc_ap_addr, ETH_ALEN) == 0) {
if (status_code != 0) {
printf("Authentication (as station) with AP "
MACSTR " failed (status_code=%d)\n",
MAC2STR(hapd->conf->assoc_ap_addr),
status_code);
return;
}
printf("Authenticated (as station) with AP " MACSTR "\n",
MAC2STR(hapd->conf->assoc_ap_addr));
ieee802_11_sta_associate(hapd, NULL);
return;
}
if (hapd->tkip_countermeasures) {
resp = WLAN_REASON_MICHAEL_MIC_FAILURE;
goto fail;
}
if (!(((hapd->conf->auth_algs & HOSTAPD_AUTH_OPEN) &&
auth_alg == WLAN_AUTH_OPEN) ||
((hapd->conf->auth_algs & HOSTAPD_AUTH_SHARED_KEY) &&
auth_alg == WLAN_AUTH_SHARED_KEY))) {
printf("Unsupported authentication algorithm (%d)\n",
auth_alg);
resp = WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
goto fail;
}
if (!(auth_transaction == 1 ||
(auth_alg == WLAN_AUTH_SHARED_KEY && auth_transaction == 3))) {
printf("Unknown authentication transaction number (%d)\n",
auth_transaction);
resp = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION;
goto fail;
}
if (memcmp(mgmt->sa, hapd->own_addr, ETH_ALEN) == 0) {
printf("Station " MACSTR " not allowed to authenticate.\n",
MAC2STR(mgmt->sa));
resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto fail;
}
res = hostapd_allowed_address(hapd, mgmt->sa, (u8 *) mgmt, len,
&session_timeout,
&acct_interim_interval);
if (res == HOSTAPD_ACL_REJECT) {
printf("Station " MACSTR " not allowed to authenticate.\n",
MAC2STR(mgmt->sa));
resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto fail;
}
if (res == HOSTAPD_ACL_PENDING) {
HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL, "Authentication frame "
"from " MACSTR " waiting for an external "
"authentication\n", MAC2STR(mgmt->sa));
/* Authentication code will re-send the authentication frame
* after it has received (and cached) information from the
* external source. */
return;
}
sta = ap_sta_add(hapd, mgmt->sa);
if (!sta) {
resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto fail;
}
sta->flags &= ~WLAN_STA_PREAUTH;
ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
if (hapd->conf->radius->acct_interim_interval == 0 &&
acct_interim_interval)
sta->acct_interim_interval = acct_interim_interval;
if (res == HOSTAPD_ACL_ACCEPT_TIMEOUT)
ap_sta_session_timeout(hapd, sta, session_timeout);
else
ap_sta_no_session_timeout(hapd, sta);
switch (auth_alg) {
case WLAN_AUTH_OPEN:
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"authentication OK (open system)");
#ifdef IEEE80211_REQUIRE_AUTH_ACK
/* Station will be marked authenticated if it ACKs the
* authentication reply. */
#else
sta->flags |= WLAN_STA_AUTH;
wpa_sm_event(hapd, sta, WPA_AUTH);
#endif
break;
case WLAN_AUTH_SHARED_KEY:
resp = auth_shared_key(hapd, sta, auth_transaction, challenge,
fc & WLAN_FC_ISWEP);
break;
}
fail:
send_auth_reply(hapd, mgmt, auth_alg, auth_transaction + 1, resp,
sta ? sta->challenge : NULL);
}
/* Process the RADIUS frames from Authentication Server */
static RadiusRxResult
ieee802_1x_receive_auth(struct wpa_supplicant *wpa_s,
struct radius_msg *msg, struct radius_msg *req,
u8 *shared_secret, size_t shared_secret_len,
void *data)
{
#if 0
u32 session_timeout, termination_action;
int session_timeout_set;
int acct_interim_interval;
#endif
#if 0
sta = ap_get_sta_radius_identifier(hapd, msg->hdr->identifier);
if (sta == NULL) {
wpa_printf(MSG_DEBUG, "IEEE 802.1X: Could not "
"find matching station for this RADIUS "
"message\n");
return RADIUS_RX_UNKNOWN;
}
#endif
/* RFC 2869, Ch. 5.13: valid Message-Authenticator attribute MUST be
* present when packet contains an EAP-Message attribute */
if (msg->hdr->code == RADIUS_CODE_ACCESS_REJECT &&
radius_msg_get_attr(msg, RADIUS_ATTR_MESSAGE_AUTHENTICATOR, NULL,
0) < 0 &&
radius_msg_get_attr(msg, RADIUS_ATTR_EAP_MESSAGE, NULL, 0) < 0) {
wpa_printf(MSG_DEBUG, "Allowing RADIUS "
"Access-Reject without Message-Authenticator "
"since it does not include EAP-Message\n");
} else if (radius_msg_verify(msg, shared_secret, shared_secret_len,
req)) {
printf("Incoming RADIUS packet did not have correct "
"Message-Authenticator - dropped\n");
return RADIUS_RX_UNKNOWN;
}
if (msg->hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
msg->hdr->code != RADIUS_CODE_ACCESS_REJECT &&
msg->hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) {
printf("Unknown RADIUS message code\n");
return RADIUS_RX_UNKNOWN;
}
wpa_s->radius_identifier = -1;
wpa_printf(MSG_DEBUG, "RADIUS packet matching with station");
if (wpa_s->last_recv_radius) {
radius_msg_free(wpa_s->last_recv_radius);
free(wpa_s->last_recv_radius);
}
wpa_s->last_recv_radius = msg;
#if 0
session_timeout_set =
!radius_msg_get_attr_int32(msg, RADIUS_ATTR_SESSION_TIMEOUT,
&session_timeout);
if (radius_msg_get_attr_int32(msg, RADIUS_ATTR_TERMINATION_ACTION,
&termination_action))
termination_action = RADIUS_TERMINATION_ACTION_DEFAULT;
if (hapd->conf->radius_acct_interim_interval == 0 &&
msg->hdr->code == RADIUS_CODE_ACCESS_ACCEPT &&
radius_msg_get_attr_int32(msg, RADIUS_ATTR_ACCT_INTERIM_INTERVAL,
&acct_interim_interval) == 0) {
if (acct_interim_interval < 60) {
hostapd_logger(hapd, sta->addr,
HOSTAPD_MODULE_IEEE8021X,
HOSTAPD_LEVEL_INFO,
"ignored too small "
"Acct-Interim-Interval %d",
acct_interim_interval);
} else
sta->acct_interim_interval = acct_interim_interval;
}
switch (msg->hdr->code) {
case RADIUS_CODE_ACCESS_ACCEPT:
/* draft-congdon-radius-8021x-22.txt, Ch. 3.17 */
if (session_timeout_set &&
termination_action ==
RADIUS_TERMINATION_ACTION_RADIUS_REQUEST) {
sta->eapol_sm->reauth_timer.reAuthPeriod =
session_timeout;
} else if (session_timeout_set)
ap_sta_session_timeout(hapd, sta, session_timeout);
sta->eapol_sm->be_auth.aSuccess = TRUE;
ieee802_1x_get_keys(hapd, sta, msg, req, shared_secret,
shared_secret_len);
if (sta->eapol_sm->keyAvailable) {
pmksa_cache_add(hapd, sta, sta->eapol_key_crypt,
session_timeout_set ?
session_timeout : -1);
}
break;
case RADIUS_CODE_ACCESS_REJECT:
sta->eapol_sm->be_auth.aFail = TRUE;
break;
case RADIUS_CODE_ACCESS_CHALLENGE:
if (session_timeout_set) {
/* RFC 2869, Ch. 2.3.2
* draft-congdon-radius-8021x-22.txt, Ch. 3.17 */
sta->eapol_sm->be_auth.suppTimeout = session_timeout;
}
sta->eapol_sm->be_auth.aReq = TRUE;
break;
}
#else
switch (msg->hdr->code) {
case RADIUS_CODE_ACCESS_ACCEPT:
wpa_s->radius_access_accept_received = 1;
ieee802_1x_get_keys(wpa_s, msg, req, shared_secret,
shared_secret_len);
break;
case RADIUS_CODE_ACCESS_REJECT:
wpa_s->radius_access_reject_received = 1;
break;
}
#endif
ieee802_1x_decapsulate_radius(wpa_s);
/* eapol_sm_step(sta->eapol_sm); */
if (msg->hdr->code == RADIUS_CODE_ACCESS_ACCEPT ||
msg->hdr->code == RADIUS_CODE_ACCESS_REJECT) {
eloop_terminate();
}
return RADIUS_RX_QUEUED;
}
/*AC代理终端发起MAC认证请求*/
static void mac_auth_req(struct hostapd_data * hapd, struct sta_info * sta)
{
AC_USER_DATA_QOS_T user_qos = {0} ;
u32 session_timeout =0, acct_interim_interval = 0 ;
int res ;
if(hapd == NULL
|| hapd->iface == NULL
|| hapd->iface->pstWtp == NULL
|| sta == NULL){
ModuleLogMsg(APP_MODULE_HOSTAPD, APP_FATAL,
"%s, point is NULL.\n", __func__) ;
return ;
}
res = hostapd_allowed_address(hapd, sta->addr, NULL, 0, & session_timeout, & acct_interim_interval, NULL, & user_qos) ;
switch(res){
case HOSTAPD_ACL_REJECT :{
ModuleLogMsg(APP_MODULE_HOSTAPD, APP_MSG,
"%s, sta(%u/%u/%u/"MACSTR") is not allowed to authenticate.\n",
__func__, hapd->iface->pstWtp->usWtpId, hapd->iface->interface_id, hapd->vap_id, MAC2STR(sta->addr)) ;
mac_auth_disconnect(hapd, sta) ;
return ;
}
case HOSTAPD_ACL_PENDING :{
if(sta->access_reason == WLAN_REASON_ACCESS_HANDOVER){
ModuleLogMsg(APP_MODULE_HOSTAPD, APP_MSG,
"%s, sta(%u/%u/%u/"MACSTR") is allowed to authenticate, due to handover.\n",
__func__, hapd->iface->pstWtp->usWtpId, hapd->iface->interface_id, hapd->vap_id, MAC2STR(sta->addr)) ;
sta->flags |= WLAN_STA_AUTHORIZED_MAC ;
if(! hapd->conf->ieee802_1x){
mac_auth_update_sta_identity(hapd, sta) ;
/*QOS信息在切换时，从OLD STA拷贝，故此处无需获取QOS信息*/
}
return ;
}
else{
ModuleLogMsg(APP_MODULE_HOSTAPD, APP_MSG,
"%s, sta(%u/%u/%u/"MACSTR") waiting for external authentication.\n",
__func__, hapd->iface->pstWtp->usWtpId, hapd->iface->interface_id, hapd->vap_id, MAC2STR(sta->addr)) ;
mac_auth_set_sta_authorized(hapd, sta, 0) ;
return ;
}
}
case HOSTAPD_ACL_ACCEPT_TIMEOUT: {
ap_sta_session_timeout(hapd, sta, session_timeout) ;
/*follow on*/
}
case HOSTAPD_ACL_ACCEPT :{
if (acct_interim_interval > 60){
sta->acct_interim_interval = acct_interim_interval;
}
ModuleLogMsg(APP_MODULE_HOSTAPD, APP_MSG,
"%s, sta(%u/%u/%u/"MACSTR") is allowed to authenticate, due to it's in accept_mac_list or acl_cache (%s).\n",
__func__, hapd->iface->pstWtp->usWtpId, hapd->iface->interface_id, hapd->vap_id, MAC2STR(sta->addr), res == HOSTAPD_ACL_ACCEPT_TIMEOUT ? "accept timeout" : "accept") ;
sta->flags |= WLAN_STA_AUTHORIZED_MAC ;
mac_auth_update_sta_identity(hapd, sta) ;
mac_auth_update_sta_info(hapd, sta, & user_qos) ;
return ;
}
default :
ModuleLogMsg(APP_MODULE_HOSTAPD, APP_WARN,
"%s, unknown res(%d).\n", __func__, res) ;
return ;
}
return ;
}
static void handle_auth(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt, size_t len)
{
u16 auth_alg, auth_transaction, status_code;
u16 resp = WLAN_STATUS_SUCCESS;
struct sta_info *sta = NULL;
int res;
u16 fc;
const u8 *challenge = NULL;
u32 session_timeout, acct_interim_interval;
int vlan_id = 0;
u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
size_t resp_ies_len = 0;
if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth)) {
printf("handle_auth - too short payload (len=%lu)\n",
(unsigned long) len);
return;
}
auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
auth_transaction = le_to_host16(mgmt->u.auth.auth_transaction);
status_code = le_to_host16(mgmt->u.auth.status_code);
fc = le_to_host16(mgmt->frame_control);
if (len >= IEEE80211_HDRLEN + sizeof(mgmt->u.auth) +
2 + WLAN_AUTH_CHALLENGE_LEN &&
mgmt->u.auth.variable[0] == WLAN_EID_CHALLENGE &&
mgmt->u.auth.variable[1] == WLAN_AUTH_CHALLENGE_LEN)
challenge = &mgmt->u.auth.variable[2];
wpa_printf(MSG_DEBUG, "authentication: STA=" MACSTR " auth_alg=%d "
"auth_transaction=%d status_code=%d wep=%d%s",
MAC2STR(mgmt->sa), auth_alg, auth_transaction,
status_code, !!(fc & WLAN_FC_ISWEP),
challenge ? " challenge" : "");
if (hapd->tkip_countermeasures) {
resp = WLAN_REASON_MICHAEL_MIC_FAILURE;
goto fail;
}
if (!(((hapd->conf->auth_algs & WPA_AUTH_ALG_OPEN) &&
auth_alg == WLAN_AUTH_OPEN) ||
#ifdef CONFIG_IEEE80211R
(hapd->conf->wpa &&
(hapd->conf->wpa_key_mgmt &
(WPA_KEY_MGMT_FT_IEEE8021X | WPA_KEY_MGMT_FT_PSK)) &&
auth_alg == WLAN_AUTH_FT) ||
#endif /* CONFIG_IEEE80211R */
((hapd->conf->auth_algs & WPA_AUTH_ALG_SHARED) &&
auth_alg == WLAN_AUTH_SHARED_KEY))) {
printf("Unsupported authentication algorithm (%d)\n",
auth_alg);
resp = WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
goto fail;
}
if (!(auth_transaction == 1 ||
(auth_alg == WLAN_AUTH_SHARED_KEY && auth_transaction == 3))) {
printf("Unknown authentication transaction number (%d)\n",
auth_transaction);
resp = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION;
goto fail;
}
if (os_memcmp(mgmt->sa, hapd->own_addr, ETH_ALEN) == 0) {
printf("Station " MACSTR " not allowed to authenticate.\n",
MAC2STR(mgmt->sa));
resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto fail;
}
res = hostapd_allowed_address(hapd, mgmt->sa, (u8 *) mgmt, len,
&session_timeout,
&acct_interim_interval, &vlan_id);
if (res == HOSTAPD_ACL_REJECT) {
printf("Station " MACSTR " not allowed to authenticate.\n",
MAC2STR(mgmt->sa));
resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto fail;
}
if (res == HOSTAPD_ACL_PENDING) {
wpa_printf(MSG_DEBUG, "Authentication frame from " MACSTR
" waiting for an external authentication",
MAC2STR(mgmt->sa));
/* Authentication code will re-send the authentication frame
* after it has received (and cached) information from the
* external source. */
return;
}
sta = ap_sta_add(hapd, mgmt->sa);
if (!sta) {
resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto fail;
}
if (vlan_id > 0) {
if (hostapd_get_vlan_id_ifname(hapd->conf->vlan,
vlan_id) == NULL) {
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_INFO, "Invalid VLAN ID "
"%d received from RADIUS server",
vlan_id);
resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto fail;
}
sta->vlan_id = vlan_id;
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_INFO, "VLAN ID %d", sta->vlan_id);
}
sta->flags &= ~WLAN_STA_PREAUTH;
ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
if (hapd->conf->acct_interim_interval == 0 && acct_interim_interval)
sta->acct_interim_interval = acct_interim_interval;
if (res == HOSTAPD_ACL_ACCEPT_TIMEOUT)
ap_sta_session_timeout(hapd, sta, session_timeout);
else
ap_sta_no_session_timeout(hapd, sta);
switch (auth_alg) {
case WLAN_AUTH_OPEN:
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"authentication OK (open system)");
#ifdef IEEE80211_REQUIRE_AUTH_ACK
/* Station will be marked authenticated if it ACKs the
* authentication reply. */
#else
sta->flags |= WLAN_STA_AUTH;
wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
sta->auth_alg = WLAN_AUTH_OPEN;
mlme_authenticate_indication(hapd, sta);
#endif
break;
case WLAN_AUTH_SHARED_KEY:
resp = auth_shared_key(hapd, sta, auth_transaction, challenge,
fc & WLAN_FC_ISWEP);
sta->auth_alg = WLAN_AUTH_SHARED_KEY;
mlme_authenticate_indication(hapd, sta);
if (sta->challenge && auth_transaction == 1) {
resp_ies[0] = WLAN_EID_CHALLENGE;
resp_ies[1] = WLAN_AUTH_CHALLENGE_LEN;
os_memcpy(resp_ies + 2, sta->challenge,
WLAN_AUTH_CHALLENGE_LEN);
resp_ies_len = 2 + WLAN_AUTH_CHALLENGE_LEN;
}
break;
#ifdef CONFIG_IEEE80211R
case WLAN_AUTH_FT:
sta->auth_alg = WLAN_AUTH_FT;
if (sta->wpa_sm == NULL)
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
sta->addr);
if (sta->wpa_sm == NULL) {
wpa_printf(MSG_DEBUG, "FT: Failed to initialize WPA "
"state machine");
resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto fail;
}
wpa_ft_process_auth(sta->wpa_sm, mgmt->bssid,
auth_transaction, mgmt->u.auth.variable,
len - IEEE80211_HDRLEN -
sizeof(mgmt->u.auth),
handle_auth_ft_finish, hapd);
/* handle_auth_ft_finish() callback will complete auth. */
return;
#endif /* CONFIG_IEEE80211R */
}
fail:
send_auth_reply(hapd, mgmt->sa, mgmt->bssid, auth_alg,
auth_transaction + 1, resp, resp_ies, resp_ies_len);
}
