static int hostapd_ctrl_iface_new_sta(struct hostapd_data *hapd,
const char *txtaddr)
{
u8 addr[ETH_ALEN];
struct sta_info *sta;
wpa_printf(MSG_DEBUG, "CTRL_IFACE NEW_STA %s", txtaddr);
if (hwaddr_aton(txtaddr, addr))
return -1;
sta = ap_get_sta(hapd, addr);
if (sta)
return 0;
wpa_printf(MSG_DEBUG, "Add new STA " MACSTR " based on ctrl_iface "
"notification", MAC2STR(addr));
sta = ap_sta_add(hapd, addr);
if (sta == NULL)
return -1;
hostapd_new_assoc_sta(hapd, sta, 0);
accounting_sta_get_id(hapd, sta);
return 0;
}
static int test_driver_new_sta(struct test_driver_data *drv,
struct test_driver_bss *bss, const u8 *addr,
const u8 *ie, size_t ielen)
{
struct hostapd_data *hapd;
struct sta_info *sta;
int new_assoc, res;
hapd = test_driver_get_hapd(drv, bss);
if (hapd == NULL)
return -1;
hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "associated");
sta = ap_get_sta(hapd, addr);
if (sta) {
accounting_sta_stop(hapd, sta);
} else {
sta = ap_sta_add(hapd, addr);
if (sta == NULL)
return -1;
}
accounting_sta_get_id(hapd, sta);
if (hapd->conf->wpa) {
if (ie == NULL || ielen == 0) {
printf("test_driver: no IE from STA\n");
return -1;
}
if (sta->wpa_sm == NULL)
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
sta->addr);
if (sta->wpa_sm == NULL) {
printf("test_driver: Failed to initialize WPA state "
"machine\n");
return -1;
}
res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
ie, ielen);
if (res != WPA_IE_OK) {
printf("WPA/RSN information element rejected? "
"(res %u)\n", res);
return -1;
}
}
new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
hostapd_new_assoc_sta(hapd, sta, !new_assoc);
ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
return 0;
}
struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr)
{
struct sta_info *sta;
sta = ap_get_sta(hapd, addr);
if (sta)
return sta;
wpa_printf(MSG_DEBUG, " New STA");
if (hapd->num_sta >= hapd->conf->max_num_sta) {
/* FIX: might try to remove some old STAs first? */
wpa_printf(MSG_DEBUG, "no more room for new STAs (%d/%d)",
hapd->num_sta, hapd->conf->max_num_sta);
return NULL;
}
sta = os_zalloc(sizeof(struct sta_info));
if (sta == NULL) {
wpa_printf(MSG_ERROR, "malloc failed");
return NULL;
}
sta->acct_interim_interval = hapd->conf->acct_interim_interval;
if (accounting_sta_get_id(hapd, sta) < 0) {
os_free(sta);
return NULL;
}
if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_INACTIVITY_TIMER)) {
wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
"for " MACSTR " (%d seconds - ap_max_inactivity)",
__func__, MAC2STR(addr),
hapd->conf->ap_max_inactivity);
eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
ap_handle_timer, hapd, sta);
}
/* initialize STA info data */
os_memcpy(sta->addr, addr, ETH_ALEN);
sta->next = hapd->sta_list;
hapd->sta_list = sta;
hapd->num_sta++;
ap_sta_hash_add(hapd, sta);
ap_sta_remove_in_other_bss(hapd, sta);
sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
dl_list_init(&sta->ip6addr);
#ifdef CONFIG_TAXONOMY
sta_track_claim_taxonomy_info(hapd->iface, addr,
&sta->probe_ie_taxonomy);
#endif /* CONFIG_TAXONOMY */
return sta;
}
struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr)
{
struct sta_info *sta;
sta = ap_get_sta(hapd, addr);
if (sta)
{
printf("sta exists\n");
return sta;
}
wpa_printf(MSG_DEBUG, " New STA");
printf("New Sta\n");
if (hapd->num_sta >= hapd->conf->max_num_sta) {
/* FIX: might try to remove some old STAs first? */
wpa_printf(MSG_DEBUG, "no more room for new STAs (%d/%d)",hapd->num_sta, hapd->conf->max_num_sta);
printf("Space problem\n");
return NULL;
}
sta = os_zalloc(sizeof(struct sta_info));
if (sta == NULL) {
wpa_printf(MSG_ERROR, "malloc failed");
printf("malloc problem\n");
return NULL;
}
sta->acct_interim_interval = hapd->conf->acct_interim_interval;
accounting_sta_get_id(hapd, sta);
/* initialize STA info data */
wpa_printf(MSG_DEBUG, "%s: register ap_handle_timer timeout "
"for " MACSTR " (%d seconds - ap_max_inactivity)",
__func__, MAC2STR(addr),
hapd->conf->ap_max_inactivity);
eloop_register_timeout(hapd->conf->ap_max_inactivity, 0,
ap_handle_timer, hapd, sta);
os_memcpy(sta->addr, addr, ETH_ALEN);
sta->next = hapd->sta_list;
hapd->sta_list = sta;
hapd->num_sta++;
ap_sta_hash_add(hapd, sta);
sta->ssid = &hapd->conf->ssid;
ap_sta_remove_in_other_bss(hapd, sta);
printf("Sta added!!\n");
return sta;
}
static int
madwifi_new_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
{
struct hostapd_data *hapd = drv->hapd;
struct sta_info *sta;
int new_assoc;
hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "associated");
sta = ap_get_sta(hapd, addr);
if (sta) {
accounting_sta_stop(hapd, sta);
} else {
sta = ap_sta_add(hapd, addr);
if (sta == NULL)
return -1;
}
if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
/* Cached accounting data is not valid anymore. */
memset(drv->acct_mac, 0, ETH_ALEN);
memset(&drv->acct_data, 0, sizeof(drv->acct_data));
}
accounting_sta_get_id(hapd, sta);
if (hapd->conf->wpa) {
if (madwifi_process_wpa_ie(drv, sta))
return -1;
}
/*
* Now that the internal station state is setup
* kick the authenticator into action.
*/
new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
hostapd_new_assoc_sta(hapd, sta, !new_assoc);
ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
return 0;
}
/**
* accounting_sta_start - Start STA accounting
* @hapd: hostapd BSS data
* @sta: The station
*/
void accounting_sta_start(struct hostapd_data *hapd, struct sta_info *sta)
{
struct radius_msg *msg;
struct os_time t;
int interval;
if (sta->acct_session_started)
return;
accounting_sta_get_id(hapd, sta);
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_INFO,
"starting accounting session %08X-%08X",
sta->acct_session_id_hi, sta->acct_session_id_lo);
//Tymon added for accounting.c
capwap_printf(hapd, sta->addr, STA_CONNECTED);
os_get_time(&t);
sta->acct_session_start = t.sec;
sta->last_rx_bytes = sta->last_tx_bytes = 0;
sta->acct_input_gigawords = sta->acct_output_gigawords = 0;
hostapd_drv_sta_clear_stats(hapd, sta->addr);
if (!hapd->conf->radius->acct_server)
return;
if (sta->acct_interim_interval)
interval = sta->acct_interim_interval;
else
interval = ACCT_DEFAULT_UPDATE_INTERVAL;
eloop_register_timeout(interval, 0, accounting_interim_update,
hapd, sta);
msg = accounting_msg(hapd, sta, RADIUS_ACCT_STATUS_TYPE_START);
if (msg &&
radius_client_send(hapd->radius, msg, RADIUS_ACCT, sta->addr) < 0)
radius_msg_free(msg);
sta->acct_session_started = 1;
}
static void handle_assoc_cb(hostapd *hapd, struct ieee80211_mgmt *mgmt,
size_t len, int reassoc, int ok)
{
u16 status;
struct sta_info *sta;
int new_assoc = 1;
if (!ok) {
hostapd_logger(hapd, mgmt->da, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"did not acknowledge association response");
return;
}
if (len < IEEE80211_HDRLEN + (reassoc ? sizeof(mgmt->u.reassoc_req) :
sizeof(mgmt->u.assoc_req))) {
printf("handle_assoc_cb(reassoc=%d) - too short payload "
"(len=%lu)\n", reassoc, (unsigned long) len);
return;
}
if (reassoc)
status = le_to_host16(mgmt->u.reassoc_resp.status_code);
else
status = le_to_host16(mgmt->u.assoc_resp.status_code);
sta = ap_get_sta(hapd, mgmt->da);
if (!sta) {
printf("handle_assoc_cb: STA " MACSTR " not found\n",
MAC2STR(mgmt->da));
return;
}
if (status != WLAN_STATUS_SUCCESS)
goto fail;
/* Stop previous accounting session, if one is started, and allocate
* new session id for the new session. */
accounting_sta_stop(hapd, sta);
accounting_sta_get_id(hapd, sta);
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO,
"associated (aid %d, accounting session %08X-%08X)",
sta->aid, sta->acct_session_id_hi,
sta->acct_session_id_lo);
if (sta->flags & WLAN_STA_ASSOC)
new_assoc = 0;
sta->flags |= WLAN_STA_ASSOC;
if (hostapd_sta_add(hapd, sta->addr, sta->aid, sta->capability,
sta->tx_supp_rates)) {
printf("Could not add station to kernel driver.\n");
}
wpa_sm_event(hapd, sta, WPA_ASSOC);
hostapd_new_assoc_sta(hapd, sta, !new_assoc);
ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
fail:
/* Copy of the association request is not needed anymore */
if (sta->last_assoc_req) {
free(sta->last_assoc_req);
sta->last_assoc_req = NULL;
}
}
