static int wpa_supplicant_ctrl_iface_blacklist(
struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
{
struct wpa_ssid *ssid;
u8 bssid[ETH_ALEN];
struct wpa_blacklist *e;
char *pos, *end;
int ret;
/* cmd: "BLACKLIST [<BSSID>]" */
if (*cmd == '\0') {
pos = buf;
end = buf + buflen;
e = wpa_s->blacklist;
while (e) {
ret = os_snprintf(pos, end-pos,
"%02x:%02x:%02x:%02x:%02x:%02x\n",
e->bssid[0],
e->bssid[1],
e->bssid[2],
e->bssid[3],
e->bssid[4],
e->bssid[5]);
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
e = e->next;
}
return pos - buf;
}
wpa_printf(MSG_DEBUG, "CTRL_IFACE: bssid='%s'", cmd);
++cmd;
if (os_strncmp(cmd, "clear", 5) == 0) {
wpa_blacklist_clear(wpa_s);
return 0;
}
if (hwaddr_aton(cmd, bssid)) {
wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", cmd);
return -1;
}
/*
* Add the BSSID twice, so its count will be 2, causing it to be
* skipped when processing scan results.
*/
ret = wpa_blacklist_add(wpa_s, bssid);
if (ret != 0)
return ret;
return wpa_blacklist_add(wpa_s, bssid);
}
static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s)
{
const u8 *bssid;
if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
/*
* At least Host AP driver and a Prism3 card seemed to be
* generating streams of disconnected events when configuring
* IBSS for WPA-None. Ignore them for now.
*/
wpa_printf(MSG_DEBUG, "Disconnect event - ignore in "
"IBSS/WPA-None mode");
return;
}
if (wpa_s->wpa_state == WPA_4WAY_HANDSHAKE &&
wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
"pre-shared key may be incorrect");
}
if (wpa_s->wpa_state >= WPA_ASSOCIATED)
wpa_supplicant_req_scan(wpa_s, 0, 100000);
bssid = wpa_s->bssid;
if (is_zero_ether_addr(bssid))
bssid = wpa_s->pending_bssid;
wpa_blacklist_add(wpa_s, bssid);
wpa_sm_notify_disassoc(wpa_s->wpa);
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "- Disconnect event - "
"remove keys");
if (wpa_supplicant_dynamic_keys(wpa_s)) {
wpa_s->keys_cleared = 0;
wpa_clear_keys(wpa_s, wpa_s->bssid);
}
wpa_supplicant_mark_disassoc(wpa_s);
}
int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
{
if (!wpa_s->wps_success &&
wpa_s->current_ssid &&
eap_is_wps_pin_enrollee(&wpa_s->current_ssid->eap)) {
const u8 *bssid = wpa_s->bssid;
if (is_zero_ether_addr(bssid))
bssid = wpa_s->pending_bssid;
wpa_printf(MSG_DEBUG, "WPS: PIN registration with " MACSTR
" did not succeed - continue trying to find "
"suitable AP", MAC2STR(bssid));
wpa_blacklist_add(wpa_s, bssid);
wpa_supplicant_deauthenticate(wpa_s,
WLAN_REASON_DEAUTH_LEAVING);
wpa_s->reassociate = 1;
wpa_supplicant_req_scan(wpa_s,
wpa_s->blacklist_cleared ? 5 : 0, 0);
wpa_s->blacklist_cleared = 0;
return 1;
}
eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && !wpa_s->wps_success)
wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL);
if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid &&
!(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
int disabled = wpa_s->current_ssid->disabled;
wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
"try to associate with the received credential");
wpa_supplicant_deauthenticate(wpa_s,
WLAN_REASON_DEAUTH_LEAVING);
if (disabled) {
wpa_printf(MSG_DEBUG, "WPS: Current network is "
"disabled - wait for user to enable");
return 1;
}
wpa_s->after_wps = 5;
wpa_s->wps_freq = wpa_s->assoc_freq;
wpa_s->normal_scans = 0;
wpa_s->reassociate = 1;
wpa_supplicant_req_scan(wpa_s, 0, 0);
return 1;
}
if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid) {
wpa_printf(MSG_DEBUG, "WPS: Registration completed - waiting "
"for external credential processing");
wpas_clear_wps(wpa_s);
wpa_supplicant_deauthenticate(wpa_s,
WLAN_REASON_DEAUTH_LEAVING);
return 1;
}
return 0;
}
static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s)
{
const u8 *bssid;
#ifdef CONFIG_SME
int authenticating;
u8 prev_pending_bssid[ETH_ALEN];
authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
#endif /* CONFIG_SME */
if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
/*
* At least Host AP driver and a Prism3 card seemed to be
* generating streams of disconnected events when configuring
* IBSS for WPA-None. Ignore them for now.
*/
wpa_printf(MSG_DEBUG, "Disconnect event - ignore in "
"IBSS/WPA-None mode");
return;
}
if (wpa_s->wpa_state == WPA_4WAY_HANDSHAKE &&
wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
"pre-shared key may be incorrect");
}
if (wpa_s->wpa_state >= WPA_ASSOCIATED)
wpa_supplicant_req_scan(wpa_s, 0, 100000);
bssid = wpa_s->bssid;
if (is_zero_ether_addr(bssid))
bssid = wpa_s->pending_bssid;
wpa_blacklist_add(wpa_s, bssid);
wpa_sm_notify_disassoc(wpa_s->wpa);
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "- Disconnect event - "
"remove keys");
if (wpa_supplicant_dynamic_keys(wpa_s)) {
wpa_s->keys_cleared = 0;
wpa_clear_keys(wpa_s, wpa_s->bssid);
}
wpa_supplicant_mark_disassoc(wpa_s);
bgscan_deinit(wpa_s);
#ifdef CONFIG_SME
if (authenticating &&
(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)) {
/*
* mac80211-workaround to force deauth on failed auth cmd,
* requires us to remain in authenticating state to allow the
* second authentication attempt to be continued properly.
*/
wpa_printf(MSG_DEBUG, "SME: Allow pending authentication to "
"proceed after disconnection event");
wpa_supplicant_set_state(wpa_s, WPA_AUTHENTICATING);
os_memcpy(wpa_s->pending_bssid, prev_pending_bssid, ETH_ALEN);
}
#endif /* CONFIG_SME */
}
static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s,
u16 reason_code)
{
const u8 *bssid;
#ifdef CONFIG_SME
int authenticating;
u8 prev_pending_bssid[ETH_ALEN];
authenticating = wpa_s->wpa_state == WPA_AUTHENTICATING;
os_memcpy(prev_pending_bssid, wpa_s->pending_bssid, ETH_ALEN);
#endif /* CONFIG_SME */
if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
/*
* At least Host AP driver and a Prism3 card seemed to be
* generating streams of disconnected events when configuring
* IBSS for WPA-None. Ignore them for now.
*/
wpa_printf(MSG_DEBUG, "Disconnect event - ignore in "
"IBSS/WPA-None mode");
return;
}
if (wpa_s->wpa_state == WPA_4WAY_HANDSHAKE &&
wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
"pre-shared key may be incorrect");
}
if (!wpa_s->auto_reconnect_disabled ||
wpa_s->key_mgmt == WPA_KEY_MGMT_WPS) {
wpa_printf(MSG_DEBUG, "WPA: Auto connect enabled: try to "
"reconnect (wps=%d)",
wpa_s->key_mgmt == WPA_KEY_MGMT_WPS);
if (wpa_s->wpa_state >= WPA_ASSOCIATING)
wpa_supplicant_req_scan(wpa_s, 0, 100000);
} else {
wpa_printf(MSG_DEBUG, "WPA: Auto connect disabled: do not try "
"to re-connect");
wpa_s->reassociate = 0;
wpa_s->disconnected = 1;
}
bssid = wpa_s->bssid;
if (is_zero_ether_addr(bssid))
bssid = wpa_s->pending_bssid;
wpa_blacklist_add(wpa_s, bssid);
wpa_sm_notify_disassoc(wpa_s->wpa);
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "bssid=" MACSTR
" reason=%d",
MAC2STR(bssid), reason_code);
if (wpa_supplicant_dynamic_keys(wpa_s)) {
wpa_printf(MSG_DEBUG, "Disconnect event - remove keys");
wpa_s->keys_cleared = 0;
wpa_clear_keys(wpa_s, wpa_s->bssid);
}
wpa_supplicant_mark_disassoc(wpa_s);
}
void sme_event_assoc_reject(struct wpa_supplicant *wpa_s,
union wpa_event_data *data)
{
int bssid_changed;
int timeout = 5000;
wpa_printf(MSG_DEBUG, "SME: Association with " MACSTR " failed: "
"status code %d", MAC2STR(wpa_s->pending_bssid),
data->assoc_reject.status_code);
bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
/*
* For now, unconditionally terminate the previous authentication. In
* theory, this should not be needed, but mac80211 gets quite confused
* if the authentication is left pending.. Some roaming cases might
* benefit from using the previous authentication, so this could be
* optimized in the future.
*/
if (wpa_drv_deauthenticate(wpa_s, wpa_s->pending_bssid,
WLAN_REASON_DEAUTH_LEAVING) < 0) {
wpa_msg(wpa_s, MSG_INFO,
"Deauth request to the driver failed");
}
wpa_s->sme.prev_bssid_set = 0;
if (wpa_blacklist_add(wpa_s, wpa_s->pending_bssid) == 0) {
struct wpa_blacklist *b;
b = wpa_blacklist_get(wpa_s, wpa_s->pending_bssid);
if (b && b->count < 3) {
/*
* Speed up next attempt if there could be other APs
* that could accept association.
*/
timeout = 100;
}
}
wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
os_memset(wpa_s->bssid, 0, ETH_ALEN);
os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
if (bssid_changed)
wpas_notify_bssid_changed(wpa_s);
/*
* TODO: if more than one possible AP is available in scan results,
* could try the other ones before requesting a new scan.
*/
ros_assoc_failed(wpa_s, wpa_s->pending_bssid, "Association rejected");
//wpa_supplicant_req_scan(wpa_s, timeout / 1000,
// 1000 * (timeout % 1000));
}
void hs20_rx_deauth_imminent_notice(struct wpa_supplicant *wpa_s, u8 code,
u16 reauth_delay, const char *url)
{
if (!wpa_sm_pmf_enabled(wpa_s->wpa)) {
wpa_printf(MSG_DEBUG, "HS 2.0: Ignore deauthentication imminent notice since PMF was not enabled");
return;
}
wpa_msg(wpa_s, MSG_INFO, HS20_DEAUTH_IMMINENT_NOTICE "%u %u %s",
code, reauth_delay, url);
if (code == HS20_DEAUTH_REASON_CODE_BSS) {
wpa_printf(MSG_DEBUG, "HS 2.0: Add BSS to blacklist");
wpa_blacklist_add(wpa_s, wpa_s->bssid);
/* TODO: For now, disable full ESS since some drivers may not
* support disabling per BSS. */
if (wpa_s->current_ssid) {
struct os_reltime now;
os_get_reltime(&now);
if (now.sec + reauth_delay <=
wpa_s->current_ssid->disabled_until.sec)
return;
wpa_printf(MSG_DEBUG, "HS 2.0: Disable network for %u seconds (BSS)",
reauth_delay);
wpa_s->current_ssid->disabled_until.sec =
now.sec + reauth_delay;
}
}
if (code == HS20_DEAUTH_REASON_CODE_ESS && wpa_s->current_ssid) {
struct os_reltime now;
os_get_reltime(&now);
if (now.sec + reauth_delay <=
wpa_s->current_ssid->disabled_until.sec)
return;
wpa_printf(MSG_DEBUG, "HS 2.0: Disable network for %u seconds",
reauth_delay);
wpa_s->current_ssid->disabled_until.sec =
now.sec + reauth_delay;
}
}
void sme_event_auth_timed_out(struct wpa_supplicant *wpa_s,
union wpa_event_data *data)
{
int timeout = 5000;
wpa_printf(MSG_DEBUG, "SME: Authentication timed out");
if (wpa_blacklist_add(wpa_s, wpa_s->pending_bssid) == 0) {
struct wpa_blacklist *b;
b = wpa_blacklist_get(wpa_s, wpa_s->pending_bssid);
if (b && b->count < 3) {
/*
* Speed up next attempt if there could be other APs
* that could accept association.
*/
timeout = 100;
}
}
ros_assoc_failed(wpa_s, wpa_s->pending_bssid, "Authentication timed out");
//wpa_supplicant_req_scan(wpa_s, timeout / 1000,
// 1000 * (timeout % 1000));
}
static void wpa_supplicant_event_disassoc(struct wpa_supplicant *wpa_s)
{
const u8 *bssid;
if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
/*
* At least Host AP driver and a Prism3 card seemed to be
* generating streams of disconnected events when configuring
* IBSS for WPA-None. Ignore them for now.
*/
wpa_printf(MSG_DEBUG, "Disconnect event - ignore in "
"IBSS/WPA-None mode");
return;
}
if (wpa_s->wpa_state == WPA_4WAY_HANDSHAKE &&
wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
wpa_msg(wpa_s, MSG_INFO, "WPA: 4-Way Handshake failed - "
"pre-shared key may be incorrect");
}
#ifdef CONFIG_WAPI_SUPPORT
if (wpa_s->key_mgmt == WAPI_KEY_MGMT_CERT ||
wpa_s->key_mgmt == WAPI_KEY_MGMT_PSK) {
MAC_ADDRESS bssid_s;
MAC_ADDRESS own_s;
wpa_printf(MSG_DEBUG,"[Debug-WAPI] Own MAC address "MACSTR" "MACSTR"!!",
MAC2STR(wpa_s->bssid), MAC2STR(wpa_s->own_addr));
memcpy(bssid_s.v, wpa_s->bssid, sizeof(bssid_s.v));
memcpy(own_s.v, wpa_s->own_addr, sizeof(own_s.v));
wpa_printf(MSG_DEBUG,"[Debug-WAPI ^_^!!] Ready send Disassociate complete evert to WAPI Modules!!!");
wapi_set_msg(CONN_DISASSOC, &bssid_s, &own_s, wpa_s->bss_wapi_ie , wpa_s->bss_wapi_ie_len);
/*state changed, and trigger the next scanning
to connect the another remembered AP*/
/*++ patch CR: [ALPS00125697] [WAPI Support] WLAN status always show "connected"*/
if (wpa_s->wpa_state >= WPA_ASSOCIATED)
wpa_supplicant_req_scan(wpa_s, 0, 100000);
#if 0
bssid = wpa_s->bssid;
if (is_zero_ether_addr(bssid))
bssid = wpa_s->pending_bssid;
wpa_printf(MSG_DEBUG,"[Debug-WAPI] Add "MACSTR "to blacklist!!",
MAC2STR(wpa_s->bssid));
wpa_blacklist_add(wpa_s, bssid);
#endif
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "- Disconnect event - "
"remove keys");
wpa_supplicant_mark_disassoc(wpa_s);
/*--*/
return;
}
#endif
if (wpa_s->wpa_state >= WPA_ASSOCIATED)
wpa_supplicant_req_scan(wpa_s, 0, 100000);
bssid = wpa_s->bssid;
if (is_zero_ether_addr(bssid))
bssid = wpa_s->pending_bssid;
wpa_blacklist_add(wpa_s, bssid);
wpa_sm_notify_disassoc(wpa_s->wpa);
wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_DISCONNECTED "- Disconnect event - "
"remove keys");
if (wpa_supplicant_dynamic_keys(wpa_s)) {
wpa_s->keys_cleared = 0;
wpa_clear_keys(wpa_s, wpa_s->bssid);
}
wpa_supplicant_mark_disassoc(wpa_s);
}
static int wpas_blacklist_module_tests(void)
{
struct wpa_supplicant wpa_s;
int ret = -1;
os_memset(&wpa_s, 0, sizeof(wpa_s));
wpa_blacklist_clear(&wpa_s);
if (wpa_blacklist_get(NULL, NULL) != NULL ||
wpa_blacklist_get(NULL, (u8 *) "123456") != NULL ||
wpa_blacklist_get(&wpa_s, NULL) != NULL ||
wpa_blacklist_get(&wpa_s, (u8 *) "123456") != NULL)
goto fail;
if (wpa_blacklist_add(NULL, NULL) == 0 ||
wpa_blacklist_add(NULL, (u8 *) "123456") == 0 ||
wpa_blacklist_add(&wpa_s, NULL) == 0)
goto fail;
if (wpa_blacklist_del(NULL, NULL) == 0 ||
wpa_blacklist_del(NULL, (u8 *) "123456") == 0 ||
wpa_blacklist_del(&wpa_s, NULL) == 0 ||
wpa_blacklist_del(&wpa_s, (u8 *) "123456") == 0)
goto fail;
if (wpa_blacklist_add(&wpa_s, (u8 *) "111111") < 0 ||
wpa_blacklist_add(&wpa_s, (u8 *) "111111") < 0 ||
wpa_blacklist_add(&wpa_s, (u8 *) "222222") < 0 ||
wpa_blacklist_add(&wpa_s, (u8 *) "333333") < 0 ||
wpa_blacklist_add(&wpa_s, (u8 *) "444444") < 0 ||
wpa_blacklist_del(&wpa_s, (u8 *) "333333") < 0 ||
wpa_blacklist_del(&wpa_s, (u8 *) "xxxxxx") == 0 ||
wpa_blacklist_get(&wpa_s, (u8 *) "xxxxxx") != NULL ||
wpa_blacklist_get(&wpa_s, (u8 *) "111111") == NULL ||
wpa_blacklist_get(&wpa_s, (u8 *) "222222") == NULL ||
wpa_blacklist_get(&wpa_s, (u8 *) "444444") == NULL ||
wpa_blacklist_del(&wpa_s, (u8 *) "111111") < 0 ||
wpa_blacklist_del(&wpa_s, (u8 *) "222222") < 0 ||
wpa_blacklist_del(&wpa_s, (u8 *) "444444") < 0 ||
wpa_blacklist_add(&wpa_s, (u8 *) "111111") < 0 ||
wpa_blacklist_add(&wpa_s, (u8 *) "222222") < 0 ||
wpa_blacklist_add(&wpa_s, (u8 *) "333333") < 0)
goto fail;
ret = 0;
fail:
wpa_blacklist_clear(&wpa_s);
if (ret)
wpa_printf(MSG_ERROR, "blacklist module test failure");
return ret;
}