static void hs20_osu_icon_fetch_result(struct wpa_supplicant *wpa_s, int res)
{
size_t i, j;
struct os_reltime now, tmp;
int dur;
os_get_reltime(&now);
os_reltime_sub(&now, &wpa_s->osu_icon_fetch_start, &tmp);
dur = tmp.sec * 1000 + tmp.usec / 1000;
wpa_printf(MSG_DEBUG, "HS 2.0: Icon fetch dur=%d ms res=%d",
dur, res);
for (i = 0; i < wpa_s->osu_prov_count; i++) {
struct osu_provider *osu = &wpa_s->osu_prov[i];
for (j = 0; j < osu->icon_count; j++) {
struct osu_icon *icon = &osu->icon[j];
if (icon->id || icon->failed)
continue;
if (res < 0)
icon->failed = 1;
else
icon->id = wpa_s->osu_icon_id;
return;
}
}
}
int eloop_replenish_timeout(unsigned int req_secs, unsigned int req_usecs,
eloop_timeout_handler handler, void *eloop_data,
void *user_data)
{
struct os_reltime now, requested, remaining;
struct eloop_timeout *tmp;
dl_list_for_each(tmp, &eloop.timeout, struct eloop_timeout, list) {
if (tmp->handler == handler &&
tmp->eloop_data == eloop_data &&
tmp->user_data == user_data) {
requested.sec = req_secs;
requested.usec = req_usecs;
os_get_reltime(&now);
os_reltime_sub(&tmp->time, &now, &remaining);
if (os_reltime_before(&remaining, &requested)) {
eloop_cancel_timeout(handler, eloop_data,
user_data);
eloop_register_timeout(requested.sec,
requested.usec,
handler, eloop_data,
user_data);
return 1;
}
return 0;
}
}
return -1;
}
int eloop_cancel_timeout_one(eloop_timeout_handler handler,
void *eloop_data, void *user_data,
struct os_reltime *remaining)
{
struct eloop_timeout *timeout, *prev;
int removed = 0;
struct os_reltime now;
os_get_reltime(&now);
remaining->sec = remaining->usec = 0;
dl_list_for_each_safe(timeout, prev, &eloop.timeout,
struct eloop_timeout, list) {
if (timeout->handler == handler &&
(timeout->eloop_data == eloop_data) &&
(timeout->user_data == user_data)) {
removed = 1;
if (os_reltime_before(&now, &timeout->time))
os_reltime_sub(&timeout->time, &now, remaining);
eloop_remove_timeout(timeout);
break;
}
}
return removed;
}
static void ibss_rsn_handle_auth_1_of_2(struct ibss_rsn *ibss_rsn,
struct ibss_rsn_peer *peer,
const u8* addr)
{
wpa_printf(MSG_DEBUG, "RSN: IBSS RX Auth frame (SEQ 1) from " MACSTR,
MAC2STR(addr));
if (peer &&
peer->authentication_status & (IBSS_RSN_SET_PTK_SUPP |
IBSS_RSN_SET_PTK_AUTH)) {
/* Clear the TK for this pair to allow recovery from the case
* where the peer STA has restarted and lost its key while we
* still have a pairwise key configured. */
wpa_printf(MSG_DEBUG, "RSN: Clear pairwise key for peer "
MACSTR, MAC2STR(addr));
wpa_drv_set_key(ibss_rsn->wpa_s, WPA_ALG_NONE, addr, 0, 0,
NULL, 0, NULL, 0);
}
if (peer &&
peer->authentication_status & IBSS_RSN_AUTH_EAPOL_BY_PEER) {
if (peer->own_auth_tx.sec) {
struct os_reltime now, diff;
os_get_reltime(&now);
os_reltime_sub(&now, &peer->own_auth_tx, &diff);
if (diff.sec == 0 && diff.usec < 500000) {
wpa_printf(MSG_DEBUG, "RSN: Skip IBSS reinit since only %u usec from own Auth frame TX",
(int) diff.usec);
goto skip_reinit;
}
}
/*
* A peer sent us an Authentication frame even though it already
* started an EAPOL session. We should reinit state machines
* here, but it's much more complicated than just deleting and
* recreating the state machine
*/
wpa_printf(MSG_DEBUG, "RSN: IBSS Reinitializing station "
MACSTR, MAC2STR(addr));
ibss_rsn_stop(ibss_rsn, addr);
peer = NULL;
}
if (!peer) {
peer = ibss_rsn_peer_init(ibss_rsn, addr);
if (!peer)
return;
wpa_printf(MSG_DEBUG, "RSN: IBSS Auth started by peer " MACSTR,
MAC2STR(addr));
}
skip_reinit:
/* reply with an Authentication frame now, before sending an EAPOL */
ibss_rsn_send_auth(ibss_rsn, addr, 2);
/* no need to start another AUTH challenge in the other way.. */
ibss_rsn_peer_authenticated(ibss_rsn, peer, IBSS_RSN_AUTH_EAPOL_BY_US);
}
static int ms_from_time(struct os_reltime *last)
{
struct os_reltime now, res;
os_get_reltime(&now);
os_reltime_sub(&now, last, &res);
return res.sec * 1000 + res.usec / 1000;
}
void eloop_run(void)
{
int num_poll_fds;
int timeout_ms = 0;
int res;
struct os_reltime tv, now;
bzero(&now, sizeof(struct os_reltime));
while (!eloop.terminate &&
(!dl_list_empty(&eloop.timeout) || eloop.readers.count > 0 ||
eloop.writers.count > 0 || eloop.exceptions.count > 0)) {
struct eloop_timeout *timeout;
timeout = dl_list_first(&eloop.timeout, struct eloop_timeout, list);
if (timeout) {
os_get_reltime(&now);
if (os_reltime_before(&now, &timeout->time))
os_reltime_sub(&timeout->time, &now, &tv);
else
tv.sec = tv.usec = 0;
timeout_ms = tv.sec * 1000 + tv.usec / 1000;
}
num_poll_fds =
eloop_sock_table_set_fds(&eloop.readers, &eloop.writers,
&eloop.exceptions, eloop.pollfds, eloop.pollfds_map, eloop.max_pollfd_map);
res = poll(eloop.pollfds, num_poll_fds, timeout ? timeout_ms : -1);
if (res < 0 && errno != EINTR && errno != 0) {
fprintf(stderr, "eloop: poll: %s", strerror(errno));
goto out;
}
timeout = dl_list_first(&eloop.timeout, struct eloop_timeout, list);
if (timeout) {
os_get_reltime(&now);
if (!os_reltime_before(&now, &timeout->time)) {
void *eloop_data = timeout->eloop_data;
void *user_data = timeout->user_data;
eloop_timeout_handler handler = timeout->handler;
eloop_remove_timeout(timeout);
handler(eloop_data, user_data);
}
}
if (res <= 0)
continue;
eloop_sock_table_dispatch(&eloop.readers, &eloop.writers,
&eloop.exceptions, eloop.pollfds_map, eloop.max_pollfd_map);
}
out:
return;
}
static void ibss_rsn_handle_auth_1_of_2(struct ibss_rsn *ibss_rsn,
struct ibss_rsn_peer *peer,
const u8* addr)
{
wpa_printf(MSG_DEBUG, "RSN: IBSS RX Auth frame (SEQ 1) from " MACSTR,
MAC2STR(addr));
if (peer &&
peer->authentication_status & IBSS_RSN_AUTH_EAPOL_BY_PEER) {
if (peer->own_auth_tx.sec) {
struct os_reltime now, diff;
os_get_reltime(&now);
os_reltime_sub(&now, &peer->own_auth_tx, &diff);
if (diff.sec == 0 && diff.usec < 500000) {
wpa_printf(MSG_DEBUG, "RSN: Skip IBSS reinit since only %u usec from own Auth frame TX",
(int) diff.usec);
goto skip_reinit;
}
}
/*
* A peer sent us an Authentication frame even though it already
* started an EAPOL session. We should reinit state machines
* here, but it's much more complicated than just deleting and
* recreating the state machine
*/
wpa_printf(MSG_DEBUG, "RSN: IBSS Reinitializing station "
MACSTR, MAC2STR(addr));
ibss_rsn_stop(ibss_rsn, addr);
peer = NULL;
}
if (!peer) {
peer = ibss_rsn_peer_init(ibss_rsn, addr);
if (!peer)
return;
wpa_printf(MSG_DEBUG, "RSN: IBSS Auth started by peer " MACSTR,
MAC2STR(addr));
}
skip_reinit:
/* reply with an Authentication frame now, before sending an EAPOL */
ibss_rsn_send_auth(ibss_rsn, addr, 2);
/* no need to start another AUTH challenge in the other way.. */
ibss_rsn_peer_authenticated(ibss_rsn, peer, IBSS_RSN_AUTH_EAPOL_BY_US);
}
static int sme_check_sa_query_timeout(struct wpa_supplicant *wpa_s)
{
u32 tu;
struct os_reltime now, passed;
os_get_reltime(&now);
os_reltime_sub(&now, &wpa_s->sme.sa_query_start, &passed);
tu = (passed.sec * 1000000 + passed.usec) / 1024;
if (sa_query_max_timeout < tu) {
wpa_dbg(wpa_s, MSG_DEBUG, "SME: SA Query timed out");
sme_stop_sa_query(wpa_s);
wpa_supplicant_deauthenticate(
wpa_s, WLAN_REASON_PREV_AUTH_NOT_VALID);
return 1;
}
return 0;
}
int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta)
{
u32 tu;
struct os_reltime now, passed;
os_get_reltime(&now);
os_reltime_sub(&now, &sta->sa_query_start, &passed);
tu = (passed.sec * 1000000 + passed.usec) / 1024;
if (hapd->conf->assoc_sa_query_max_timeout < tu) {
hostapd_logger(hapd, sta->addr,
HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"association SA Query timed out");
sta->sa_query_timed_out = 1;
os_free(sta->sa_query_trans_id);
sta->sa_query_trans_id = NULL;
sta->sa_query_count = 0;
eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
return 1;
}
return 0;
}
u8 * hostapd_eid_assoc_comeback_time(struct hostapd_data *hapd,
struct sta_info *sta, u8 *eid)
{
u8 *pos = eid;
u32 timeout, tu;
struct os_reltime now, passed;
*pos++ = WLAN_EID_TIMEOUT_INTERVAL;
*pos++ = 5;
*pos++ = WLAN_TIMEOUT_ASSOC_COMEBACK;
os_get_reltime(&now);
os_reltime_sub(&now, &sta->sa_query_start, &passed);
tu = (passed.sec * 1000000 + passed.usec) / 1024;
if (hapd->conf->assoc_sa_query_max_timeout > tu)
timeout = hapd->conf->assoc_sa_query_max_timeout - tu;
else
timeout = 0;
if (timeout < hapd->conf->assoc_sa_query_max_timeout)
timeout++; /* add some extra time for local timers */
WPA_PUT_LE32(pos, timeout);
pos += 4;
return pos;
}
void eloop_run(void)
{
#ifdef CONFIG_ELOOP_POLL
int num_poll_fds;
int timeout_ms = 0;
#endif /* CONFIG_ELOOP_POLL */
#ifdef CONFIG_ELOOP_SELECT
fd_set *rfds, *wfds, *efds;
struct timeval _tv;
#endif /* CONFIG_ELOOP_SELECT */
#ifdef CONFIG_ELOOP_EPOLL
int timeout_ms = -1;
#endif /* CONFIG_ELOOP_EPOLL */
int res;
struct os_reltime tv, now;
#ifdef CONFIG_ELOOP_SELECT
rfds = os_malloc(sizeof(*rfds));
wfds = os_malloc(sizeof(*wfds));
efds = os_malloc(sizeof(*efds));
if (rfds == NULL || wfds == NULL || efds == NULL)
goto out;
#endif /* CONFIG_ELOOP_SELECT */
while (!eloop.terminate &&
(!dl_list_empty(&eloop.timeout) || eloop.readers.count > 0 ||
eloop.writers.count > 0 || eloop.exceptions.count > 0)) {
struct eloop_timeout *timeout;
timeout = dl_list_first(&eloop.timeout, struct eloop_timeout,
list);
if (timeout) {
os_get_reltime(&now);
if (os_reltime_before(&now, &timeout->time))
os_reltime_sub(&timeout->time, &now, &tv);
else
tv.sec = tv.usec = 0;
#if defined(CONFIG_ELOOP_POLL) || defined(CONFIG_ELOOP_EPOLL)
timeout_ms = tv.sec * 1000 + tv.usec / 1000;
#endif /* defined(CONFIG_ELOOP_POLL) || defined(CONFIG_ELOOP_EPOLL) */
#ifdef CONFIG_ELOOP_SELECT
_tv.tv_sec = tv.sec;
_tv.tv_usec = tv.usec;
#endif /* CONFIG_ELOOP_SELECT */
}
#ifdef CONFIG_ELOOP_POLL
num_poll_fds = eloop_sock_table_set_fds(
&eloop.readers, &eloop.writers, &eloop.exceptions,
eloop.pollfds, eloop.pollfds_map,
eloop.max_pollfd_map);
res = poll(eloop.pollfds, num_poll_fds,
timeout ? timeout_ms : -1);
#endif /* CONFIG_ELOOP_POLL */
#ifdef CONFIG_ELOOP_SELECT
eloop_sock_table_set_fds(&eloop.readers, rfds);
eloop_sock_table_set_fds(&eloop.writers, wfds);
eloop_sock_table_set_fds(&eloop.exceptions, efds);
res = select(eloop.max_sock + 1, rfds, wfds, efds,
timeout ? &_tv : NULL);
#endif /* CONFIG_ELOOP_SELECT */
#ifdef CONFIG_ELOOP_EPOLL
if (eloop.count == 0) {
res = 0;
} else {
res = epoll_wait(eloop.epollfd, eloop.epoll_events,
eloop.count, timeout_ms);
}
#endif /* CONFIG_ELOOP_EPOLL */
if (res < 0 && errno != EINTR && errno != 0) {
wpa_printf(MSG_ERROR, "eloop: %s: %s",
#ifdef CONFIG_ELOOP_POLL
"poll"
#endif /* CONFIG_ELOOP_POLL */
#ifdef CONFIG_ELOOP_SELECT
"select"
#endif /* CONFIG_ELOOP_SELECT */
#ifdef CONFIG_ELOOP_EPOLL
"epoll"
#endif /* CONFIG_ELOOP_EPOLL */
, strerror(errno));
goto out;
}
eloop_process_pending_signals();
/* check if some registered timeouts have occurred */
timeout = dl_list_first(&eloop.timeout, struct eloop_timeout,
list);
if (timeout) {
os_get_reltime(&now);
if (!os_reltime_before(&now, &timeout->time)) {
void *eloop_data = timeout->eloop_data;
void *user_data = timeout->user_data;
eloop_timeout_handler handler =
timeout->handler;
eloop_remove_timeout(timeout);
handler(eloop_data, user_data);
}
}
if (res <= 0)
continue;
#ifdef CONFIG_ELOOP_POLL
eloop_sock_table_dispatch(&eloop.readers, &eloop.writers,
&eloop.exceptions, eloop.pollfds_map,
eloop.max_pollfd_map);
#endif /* CONFIG_ELOOP_POLL */
#ifdef CONFIG_ELOOP_SELECT
eloop_sock_table_dispatch(&eloop.readers, rfds);
eloop_sock_table_dispatch(&eloop.writers, wfds);
eloop_sock_table_dispatch(&eloop.exceptions, efds);
#endif /* CONFIG_ELOOP_SELECT */
#ifdef CONFIG_ELOOP_EPOLL
eloop_sock_table_dispatch(eloop.epoll_events, res);
#endif /* CONFIG_ELOOP_EPOLL */
}
eloop.terminate = 0;
out:
#ifdef CONFIG_ELOOP_SELECT
os_free(rfds);
os_free(wfds);
os_free(efds);
#endif /* CONFIG_ELOOP_SELECT */
return;
}
static void accounting_sta_report(struct hostapd_data *hapd,
struct sta_info *sta, int stop)
{
struct radius_msg *msg;
int cause = sta->acct_terminate_cause;
struct hostap_sta_driver_data data;
struct os_reltime now_r, diff;
struct os_time now;
u32 gigawords;
if (!hapd->conf->radius->acct_server)
return;
msg = accounting_msg(hapd, sta,
stop ? RADIUS_ACCT_STATUS_TYPE_STOP :
RADIUS_ACCT_STATUS_TYPE_INTERIM_UPDATE);
if (!msg) {
wpa_printf(MSG_INFO, "Could not create RADIUS Accounting message");
return;
}
os_get_reltime(&now_r);
os_get_time(&now);
os_reltime_sub(&now_r, &sta->acct_session_start, &diff);
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_SESSION_TIME,
diff.sec)) {
wpa_printf(MSG_INFO, "Could not add Acct-Session-Time");
goto fail;
}
if (accounting_sta_update_stats(hapd, sta, &data) == 0) {
if (!radius_msg_add_attr_int32(msg,
RADIUS_ATTR_ACCT_INPUT_PACKETS,
data.rx_packets)) {
wpa_printf(MSG_INFO, "Could not add Acct-Input-Packets");
goto fail;
}
if (!radius_msg_add_attr_int32(msg,
RADIUS_ATTR_ACCT_OUTPUT_PACKETS,
data.tx_packets)) {
wpa_printf(MSG_INFO, "Could not add Acct-Output-Packets");
goto fail;
}
if (!radius_msg_add_attr_int32(msg,
RADIUS_ATTR_ACCT_INPUT_OCTETS,
data.rx_bytes)) {
wpa_printf(MSG_INFO, "Could not add Acct-Input-Octets");
goto fail;
}
gigawords = sta->acct_input_gigawords;
#if __WORDSIZE == 64
gigawords += data.rx_bytes >> 32;
#endif
if (gigawords &&
!radius_msg_add_attr_int32(
msg, RADIUS_ATTR_ACCT_INPUT_GIGAWORDS,
gigawords)) {
wpa_printf(MSG_INFO, "Could not add Acct-Input-Gigawords");
goto fail;
}
if (!radius_msg_add_attr_int32(msg,
RADIUS_ATTR_ACCT_OUTPUT_OCTETS,
data.tx_bytes)) {
wpa_printf(MSG_INFO, "Could not add Acct-Output-Octets");
goto fail;
}
gigawords = sta->acct_output_gigawords;
#if __WORDSIZE == 64
gigawords += data.tx_bytes >> 32;
#endif
if (gigawords &&
!radius_msg_add_attr_int32(
msg, RADIUS_ATTR_ACCT_OUTPUT_GIGAWORDS,
gigawords)) {
wpa_printf(MSG_INFO, "Could not add Acct-Output-Gigawords");
goto fail;
}
}
if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_EVENT_TIMESTAMP,
now.sec)) {
wpa_printf(MSG_INFO, "Could not add Event-Timestamp");
goto fail;
}
if (eloop_terminated())
cause = RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_REBOOT;
if (stop && cause &&
!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_TERMINATE_CAUSE,
cause)) {
wpa_printf(MSG_INFO, "Could not add Acct-Terminate-Cause");
goto fail;
}
if (radius_client_send(hapd->radius, msg,
stop ? RADIUS_ACCT : RADIUS_ACCT_INTERIM,
sta->addr) < 0)
goto fail;
return;
fail:
radius_msg_free(msg);
}
/**
* wpa_bss_update_scan_res - Update a BSS table entry based on a scan result
* @wpa_s: Pointer to wpa_supplicant data
* @res: Scan result
* @fetch_time: Time when the result was fetched from the driver
*
* This function updates a BSS table entry (or adds one) based on a scan result.
* This is called separately for each scan result between the calls to
* wpa_bss_update_start() and wpa_bss_update_end().
*/
void wpa_bss_update_scan_res(struct wpa_supplicant *wpa_s,
struct wpa_scan_res *res,
struct os_reltime *fetch_time)
{
const u8 *ssid, *p2p, *mesh;
struct wpa_bss *bss;
if (wpa_s->conf->ignore_old_scan_res) {
struct os_reltime update;
calculate_update_time(fetch_time, res->age, &update);
if (os_reltime_before(&update, &wpa_s->scan_trigger_time)) {
struct os_reltime age;
os_reltime_sub(&wpa_s->scan_trigger_time, &update,
&age);
wpa_dbg(wpa_s, MSG_DEBUG, "BSS: Ignore driver BSS "
"table entry that is %u.%06u seconds older "
"than our scan trigger",
(unsigned int) age.sec,
(unsigned int) age.usec);
return;
}
}
ssid = wpa_scan_get_ie(res, WLAN_EID_SSID);
if (ssid == NULL) {
wpa_dbg(wpa_s, MSG_DEBUG, "BSS: No SSID IE included for "
MACSTR, MAC2STR(res->bssid));
return;
}
if (ssid[1] > SSID_MAX_LEN) {
wpa_dbg(wpa_s, MSG_DEBUG, "BSS: Too long SSID IE included for "
MACSTR, MAC2STR(res->bssid));
return;
}
p2p = wpa_scan_get_vendor_ie(res, P2P_IE_VENDOR_TYPE);
#ifdef CONFIG_P2P
if (p2p == NULL &&
wpa_s->p2p_group_interface != NOT_P2P_GROUP_INTERFACE) {
/*
* If it's a P2P specific interface, then don't update
* the scan result without a P2P IE.
*/
wpa_printf(MSG_DEBUG, "BSS: No P2P IE - skipping BSS " MACSTR
" update for P2P interface", MAC2STR(res->bssid));
return;
}
#endif /* CONFIG_P2P */
if (p2p && ssid[1] == P2P_WILDCARD_SSID_LEN &&
os_memcmp(ssid + 2, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) == 0)
return; /* Skip P2P listen discovery results here */
/* TODO: add option for ignoring BSSes we are not interested in
* (to save memory) */
mesh = wpa_scan_get_ie(res, WLAN_EID_MESH_ID);
if (mesh && mesh[1] <= SSID_MAX_LEN)
ssid = mesh;
bss = wpa_bss_get(wpa_s, res->bssid, ssid + 2, ssid[1]);
if (bss == NULL)
bss = wpa_bss_add(wpa_s, ssid + 2, ssid[1], res, fetch_time);
else {
bss = wpa_bss_update(wpa_s, bss, res, fetch_time);
if (wpa_s->last_scan_res) {
unsigned int i;
for (i = 0; i < wpa_s->last_scan_res_used; i++) {
if (bss == wpa_s->last_scan_res[i]) {
/* Already in the list */
return;
}
}
}
}
if (bss == NULL)
return;
if (wpa_s->last_scan_res_used >= wpa_s->last_scan_res_size) {
struct wpa_bss **n;
unsigned int siz;
if (wpa_s->last_scan_res_size == 0)
siz = 32;
else
siz = wpa_s->last_scan_res_size * 2;
n = os_realloc_array(wpa_s->last_scan_res, siz,
sizeof(struct wpa_bss *));
if (n == NULL)
return;
wpa_s->last_scan_res = n;
wpa_s->last_scan_res_size = siz;
}
if (wpa_s->last_scan_res)
wpa_s->last_scan_res[wpa_s->last_scan_res_used++] = bss;
}
