/*
* WPA Supplicant - Driver event processing
- * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2010, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#include "common.h"
#include "eapol_supp/eapol_supp_sm.h"
-#include "wpa.h"
+#include "rsn_supp/wpa.h"
#include "eloop.h"
-#include "drivers/driver.h"
#include "config.h"
#include "l2_packet/l2_packet.h"
#include "wpa_supplicant_i.h"
+#include "driver_i.h"
#include "pcsc_funcs.h"
-#include "preauth.h"
-#include "pmksa_cache.h"
-#include "wpa_ctrl.h"
+#include "rsn_supp/preauth.h"
+#include "rsn_supp/pmksa_cache.h"
+#include "common/wpa_ctrl.h"
#include "eap_peer/eap.h"
-#include "ctrl_iface_dbus.h"
-#include "ieee802_11_defs.h"
+#include "notify.h"
+#include "common/ieee802_11_defs.h"
#include "blacklist.h"
#include "wpas_glue.h"
-#include "wps/wps.h"
+#include "wps_supplicant.h"
+#include "ibss_rsn.h"
+#include "sme.h"
+#include "bgscan.h"
+#include "ap.h"
+#include "bss.h"
static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
{
- struct wpa_ssid *ssid;
+ struct wpa_ssid *ssid, *old_ssid;
if (wpa_s->conf->ap_scan == 1 && wpa_s->current_ssid)
return 0;
if (wpa_s->current_ssid && wpa_s->current_ssid != ssid)
eapol_sm_invalidate_cached_session(wpa_s->eapol);
+ old_ssid = wpa_s->current_ssid;
wpa_s->current_ssid = ssid;
wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
wpa_supplicant_initiate_eapol(wpa_s);
+ if (old_ssid != wpa_s->current_ssid)
+ wpas_notify_network_changed(wpa_s);
return 0;
}
void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s)
{
+ int bssid_changed;
+
wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
+ bssid_changed = !is_zero_ether_addr(wpa_s->bssid);
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);
+
eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE);
eapol_sm_notify_portValid(wpa_s->eapol, FALSE);
if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt))
if (ssid->mixed_cell)
return 1;
+#ifdef CONFIG_WPS
+ if (ssid->key_mgmt & WPA_KEY_MGMT_WPS)
+ return 1;
+#endif /* CONFIG_WPS */
+
for (i = 0; i < NUM_WEP_KEYS; i++) {
if (ssid->wep_key_len[i]) {
privacy = 1;
}
-static int wpa_supplicant_ssid_bss_match(struct wpa_ssid *ssid,
+static int wpa_supplicant_ssid_bss_match(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid,
struct wpa_scan_res *bss)
{
struct wpa_ie_data ie;
int proto_match = 0;
const u8 *rsn_ie, *wpa_ie;
+ int ret;
-#ifdef CONFIG_WPS
- if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
- const u8 *wps_ie;
- wps_ie = wpa_scan_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE);
- if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
- if (!wps_ie) {
- wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
- return 0;
- }
-
- if (!wps_is_selected_pbc_registrar(wps_ie + 6,
- wps_ie[1] - 4)) {
- wpa_printf(MSG_DEBUG, " skip - WPS AP "
- "without active PBC Registrar");
- return 0;
- }
-
- /* TODO: overlap detection */
- wpa_printf(MSG_DEBUG, " selected based on WPS IE "
- "(Active PBC)");
- return 1;
- }
-
- if (eap_is_wps_pin_enrollee(&ssid->eap)) {
- if (!wps_ie) {
- wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
- return 0;
- }
-
- if (!wps_is_selected_pin_registrar(wps_ie + 6,
- wps_ie[1] - 4)) {
- wpa_printf(MSG_DEBUG, " skip - WPS AP "
- "without active PIN Registrar");
- return 0;
- }
- wpa_printf(MSG_DEBUG, " selected based on WPS IE "
- "(Active PIN)");
- return 1;
- }
-
- if (wps_ie) {
- wpa_printf(MSG_DEBUG, " selected based on WPS IE");
- return 1;
- }
- }
-#endif /* CONFIG_WPS */
+ ret = wpas_wps_ssid_bss_match(wpa_s, ssid, bss);
+ if (ret >= 0)
+ return ret;
rsn_ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
while ((ssid->proto & WPA_PROTO_RSN) && rsn_ie) {
}
-#ifdef CONFIG_WPS
-static int wps_ssid_wildcard_ok(struct wpa_ssid *ssid,
- struct wpa_scan_res *bss)
-{
- const u8 *wps_ie;
-
- if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
- wps_ie = wpa_scan_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE);
- if (wps_ie &&
- wps_is_selected_pbc_registrar(wps_ie + 6, wps_ie[1] - 4)) {
- /* allow wildcard SSID for WPS PBC */
- return 1;
- }
- }
-
- if (eap_is_wps_pin_enrollee(&ssid->eap)) {
- wps_ie = wpa_scan_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE);
- if (wps_ie &&
- wps_is_selected_pin_registrar(wps_ie + 6, wps_ie[1] - 4)) {
- /* allow wildcard SSID for WPS PIN */
- return 1;
- }
- }
-
- return 0;
-}
-#endif /* CONFIG_WPS */
-
-static struct wpa_scan_res *
+static struct wpa_bss *
wpa_supplicant_select_bss_wpa(struct wpa_supplicant *wpa_s,
+ struct wpa_scan_results *scan_res,
struct wpa_ssid *group,
struct wpa_ssid **selected_ssid)
{
const u8 *ie;
wpa_printf(MSG_DEBUG, "Try to find WPA-enabled AP");
- for (i = 0; i < wpa_s->scan_res->num; i++) {
+ for (i = 0; i < scan_res->num; i++) {
const u8 *ssid_;
u8 wpa_ie_len, rsn_ie_len, ssid_len;
- bss = wpa_s->scan_res->res[i];
+ bss = scan_res->res[i];
ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
ssid_ = ie ? ie + 2 : (u8 *) "";
continue;
}
+ if (ssid_len == 0) {
+ wpa_printf(MSG_DEBUG, " skip - SSID not known");
+ continue;
+ }
+
if (wpa_ie_len == 0 && rsn_ie_len == 0) {
wpa_printf(MSG_DEBUG, " skip - no WPA/RSN IE");
continue;
#ifdef CONFIG_WPS
if (ssid->ssid_len == 0 &&
- wps_ssid_wildcard_ok(ssid, bss))
+ wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
check_ssid = 0;
#endif /* CONFIG_WPS */
continue;
}
- if (!wpa_supplicant_ssid_bss_match(ssid, bss))
+ if (!wpa_supplicant_ssid_bss_match(wpa_s, ssid, bss))
continue;
wpa_printf(MSG_DEBUG, " selected WPA AP "
MAC2STR(bss->bssid),
wpa_ssid_txt(ssid_, ssid_len));
*selected_ssid = ssid;
- return bss;
+ return wpa_bss_get(wpa_s, bss->bssid, ssid_, ssid_len);
}
}
}
-static struct wpa_scan_res *
+static struct wpa_bss *
wpa_supplicant_select_bss_non_wpa(struct wpa_supplicant *wpa_s,
+ struct wpa_scan_results *scan_res,
struct wpa_ssid *group,
struct wpa_ssid **selected_ssid)
{
const u8 *ie;
wpa_printf(MSG_DEBUG, "Try to find non-WPA AP");
- for (i = 0; i < wpa_s->scan_res->num; i++) {
+ for (i = 0; i < scan_res->num; i++) {
const u8 *ssid_;
u8 wpa_ie_len, rsn_ie_len, ssid_len;
- bss = wpa_s->scan_res->res[i];
+ bss = scan_res->res[i];
ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
ssid_ = ie ? ie + 2 : (u8 *) "";
continue;
}
+ if (ssid_len == 0) {
+ wpa_printf(MSG_DEBUG, " skip - SSID not known");
+ continue;
+ }
+
for (ssid = group; ssid; ssid = ssid->pnext) {
int check_ssid = ssid->ssid_len != 0;
* with our mode. */
check_ssid = 1;
if (ssid->ssid_len == 0 &&
- wps_ssid_wildcard_ok(ssid, bss))
+ wpas_wps_ssid_wildcard_ok(wpa_s, ssid,
+ bss))
check_ssid = 0;
}
#endif /* CONFIG_WPS */
"BSSID mismatch");
continue;
}
-
+
if (!(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
!(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
!(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA))
continue;
}
- if ((ssid->key_mgmt &
+ if ((ssid->key_mgmt &
(WPA_KEY_MGMT_IEEE8021X | WPA_KEY_MGMT_PSK |
WPA_KEY_MGMT_FT_IEEE8021X | WPA_KEY_MGMT_FT_PSK |
WPA_KEY_MGMT_IEEE8021X_SHA256 |
MAC2STR(bss->bssid),
wpa_ssid_txt(ssid_, ssid_len));
*selected_ssid = ssid;
- return bss;
+ return wpa_bss_get(wpa_s, bss->bssid, ssid_, ssid_len);
}
}
}
-static struct wpa_scan_res *
-wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s, struct wpa_ssid *group,
+static struct wpa_bss *
+wpa_supplicant_select_bss(struct wpa_supplicant *wpa_s,
+ struct wpa_scan_results *scan_res,
+ struct wpa_ssid *group,
struct wpa_ssid **selected_ssid)
{
- struct wpa_scan_res *selected;
+ struct wpa_bss *selected;
wpa_printf(MSG_DEBUG, "Selecting BSS from priority group %d",
group->priority);
/* First, try to find WPA-enabled AP */
- selected = wpa_supplicant_select_bss_wpa(wpa_s, group, selected_ssid);
+ selected = wpa_supplicant_select_bss_wpa(wpa_s, scan_res, group,
+ selected_ssid);
if (selected)
return selected;
/* If no WPA-enabled AP found, try to find non-WPA AP, if configuration
* allows this. */
- return wpa_supplicant_select_bss_non_wpa(wpa_s, group, selected_ssid);
+ return wpa_supplicant_select_bss_non_wpa(wpa_s, scan_res, group,
+ selected_ssid);
}
-#ifdef CONFIG_WPS
+static struct wpa_bss *
+wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
+ struct wpa_scan_results *scan_res,
+ struct wpa_ssid **selected_ssid)
+{
+ struct wpa_bss *selected = NULL;
+ int prio;
+
+ while (selected == NULL) {
+ for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
+ selected = wpa_supplicant_select_bss(
+ wpa_s, scan_res, wpa_s->conf->pssid[prio],
+ selected_ssid);
+ if (selected)
+ break;
+ }
-static int wpa_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
- struct wpa_scan_res *selected,
- struct wpa_ssid *ssid)
+ if (selected == NULL && wpa_s->blacklist) {
+ wpa_printf(MSG_DEBUG, "No APs found - clear blacklist "
+ "and try again");
+ wpa_blacklist_clear(wpa_s);
+ wpa_s->blacklist_cleared++;
+ } else if (selected == NULL)
+ break;
+ }
+
+ return selected;
+}
+
+
+static void wpa_supplicant_req_new_scan(struct wpa_supplicant *wpa_s,
+ int timeout)
{
- const u8 *sel_uuid, *uuid;
- size_t i;
- const u8 *wps_ie;
+ if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1) {
+ /*
+ * Quick recovery if the initial scan results were not
+ * complete when fetched before the first scan request.
+ */
+ wpa_s->scan_res_tried++;
+ timeout = 0;
+ } else if (!wpa_supplicant_enabled_networks(wpa_s->conf)) {
+ /*
+ * No networks are enabled; short-circuit request so
+ * we don't wait timeout seconds before transitioning
+ * to INACTIVE state.
+ */
+ wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
+ return;
+ }
+ wpa_supplicant_req_scan(wpa_s, timeout, 0);
+}
- if (!eap_is_wps_pbc_enrollee(&ssid->eap))
- return 0;
- /* Make sure that only one AP is in active PBC mode */
- wps_ie = wpa_scan_get_vendor_ie(selected, WPS_IE_VENDOR_TYPE);
- if (wps_ie)
- sel_uuid = wps_get_uuid_e(wps_ie + 6, wps_ie[1] - 4);
- else
- sel_uuid = NULL;
- if (!sel_uuid) {
- wpa_printf(MSG_DEBUG, "WPS: UUID-E not "
- "available for PBC overlap "
- "detection");
- return 1;
+static void wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
+ struct wpa_bss *selected,
+ struct wpa_ssid *ssid)
+{
+ if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
+ wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
+ "PBC session overlap");
+ wpa_supplicant_req_new_scan(wpa_s, 10);
+ return;
}
- for (i = 0; i < wpa_s->scan_res->num; i++) {
- struct wpa_scan_res *bss = wpa_s->scan_res->res[i];
- if (bss == selected)
- continue;
- wps_ie = wpa_scan_get_vendor_ie(bss, WPS_IE_VENDOR_TYPE);
- if (!wps_ie)
- continue;
- if (!wps_is_selected_pbc_registrar(wps_ie + 6,
- wps_ie[1] - 4))
- continue;
- uuid = wps_get_uuid_e(wps_ie + 6, wps_ie[1] - 4);
- if (uuid == NULL) {
- wpa_printf(MSG_DEBUG, "WPS: UUID-E not "
- "available for PBC overlap "
- "detection (other BSS)");
- return 1;
+ /*
+ * Do not trigger new association unless the BSSID has changed or if
+ * reassociation is requested. If we are in process of associating with
+ * the selected BSSID, do not trigger new attempt.
+ */
+ if (wpa_s->reassociate ||
+ (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
+ (wpa_s->wpa_state != WPA_ASSOCIATING ||
+ os_memcmp(selected->bssid, wpa_s->pending_bssid, ETH_ALEN) !=
+ 0))) {
+ if (wpa_supplicant_scard_init(wpa_s, ssid)) {
+ wpa_supplicant_req_new_scan(wpa_s, 10);
+ return;
}
- if (os_memcmp(sel_uuid, uuid, 16) != 0)
- return 1; /* PBC overlap */
-
- /* TODO: verify that this is reasonable dual-band situation */
+ wpa_supplicant_associate(wpa_s, selected, ssid);
+ } else {
+ wpa_printf(MSG_DEBUG, "Already associated with the selected "
+ "AP");
}
+}
- return 0;
+
+static struct wpa_ssid *
+wpa_supplicant_pick_new_network(struct wpa_supplicant *wpa_s)
+{
+ int prio;
+ struct wpa_ssid *ssid;
+
+ for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
+ for (ssid = wpa_s->conf->pssid[prio]; ssid; ssid = ssid->pnext)
+ {
+ if (ssid->disabled)
+ continue;
+ if (ssid->mode == IEEE80211_MODE_IBSS ||
+ ssid->mode == IEEE80211_MODE_AP)
+ return ssid;
+ }
+ }
+ return NULL;
}
-#else /* CONFIG_WPS */
-#define wpa_scan_pbc_overlap(w, s, i) 0
+/* TODO: move the rsn_preauth_scan_result*() to be called from notify.c based
+ * on BSS added and BSS changed events */
+static void wpa_supplicant_rsn_preauth_scan_results(
+ struct wpa_supplicant *wpa_s, struct wpa_scan_results *scan_res)
+{
+ int i;
+
+ if (rsn_preauth_scan_results(wpa_s->wpa) < 0)
+ return;
+
+ for (i = scan_res->num - 1; i >= 0; i--) {
+ const u8 *ssid, *rsn;
+ struct wpa_scan_res *r;
-#endif /* CONFIG_WPS */
+ r = scan_res->res[i];
+ ssid = wpa_scan_get_ie(r, WLAN_EID_SSID);
+ if (ssid == NULL)
+ continue;
+
+ rsn = wpa_scan_get_ie(r, WLAN_EID_RSN);
+ if (rsn == NULL)
+ continue;
-static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s)
+ rsn_preauth_scan_result(wpa_s->wpa, r->bssid, ssid, rsn);
+ }
+
+}
+
+
+static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s,
+ union wpa_event_data *data)
{
- int prio, timeout;
- struct wpa_scan_res *selected = NULL;
+ struct wpa_bss *selected;
struct wpa_ssid *ssid = NULL;
+ struct wpa_scan_results *scan_res;
+
+ wpa_supplicant_notify_scanning(wpa_s, 0);
- if (wpa_supplicant_get_scan_results(wpa_s) < 0) {
+ scan_res = wpa_supplicant_get_scan_results(wpa_s,
+ data ? &data->scan_info :
+ NULL, 1);
+ if (scan_res == NULL) {
if (wpa_s->conf->ap_scan == 2)
return;
wpa_printf(MSG_DEBUG, "Failed to get scan results - try "
"scanning again");
- timeout = 1;
- goto req_scan;
+ wpa_supplicant_req_new_scan(wpa_s, 1);
+ return;
}
/*
* and there were no results.
*/
if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1 &&
- wpa_s->scan_res->num == 0) {
+ scan_res->num == 0) {
wpa_msg(wpa_s, MSG_DEBUG, "Cached scan results are "
"empty - not posting");
} else {
- wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
- wpa_supplicant_dbus_notify_scan_results(wpa_s);
+ wpa_printf(MSG_DEBUG, "New scan results available");
+ wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
+ wpas_notify_scan_results(wpa_s);
}
- if (wpa_s->conf->ap_scan == 2 || wpa_s->disconnected)
+ wpas_notify_scan_done(wpa_s, 1);
+
+ if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s))) {
+ wpa_scan_results_free(scan_res);
return;
+ }
- while (selected == NULL) {
- for (prio = 0; prio < wpa_s->conf->num_prio; prio++) {
- selected = wpa_supplicant_select_bss(
- wpa_s, wpa_s->conf->pssid[prio], &ssid);
- if (selected)
- break;
- }
+ if (wpa_s->disconnected) {
+ wpa_supplicant_set_state(wpa_s, WPA_DISCONNECTED);
+ wpa_scan_results_free(scan_res);
+ return;
+ }
- if (selected == NULL && wpa_s->blacklist) {
- wpa_printf(MSG_DEBUG, "No APs found - clear blacklist "
- "and try again");
- wpa_blacklist_clear(wpa_s);
- } else if (selected == NULL) {
- break;
- }
+ if (bgscan_notify_scan(wpa_s) == 1) {
+ wpa_scan_results_free(scan_res);
+ return;
}
- if (selected) {
- if (wpa_scan_pbc_overlap(wpa_s, selected, ssid)) {
- wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
- "PBC session overlap");
- timeout = 10;
- goto req_scan;
- }
+ wpa_supplicant_rsn_preauth_scan_results(wpa_s, scan_res);
- /* Do not trigger new association unless the BSSID has changed
- * or if reassociation is requested. If we are in process of
- * associating with the selected BSSID, do not trigger new
- * attempt. */
- if (wpa_s->reassociate ||
- (os_memcmp(selected->bssid, wpa_s->bssid, ETH_ALEN) != 0 &&
- (wpa_s->wpa_state != WPA_ASSOCIATING ||
- os_memcmp(selected->bssid, wpa_s->pending_bssid,
- ETH_ALEN) != 0))) {
- if (wpa_supplicant_scard_init(wpa_s, ssid)) {
- wpa_supplicant_req_scan(wpa_s, 10, 0);
- return;
- }
- wpa_supplicant_associate(wpa_s, selected, ssid);
- } else {
- wpa_printf(MSG_DEBUG, "Already associated with the "
- "selected AP.");
- }
- rsn_preauth_scan_results(wpa_s->wpa, wpa_s->scan_res);
+ selected = wpa_supplicant_pick_network(wpa_s, scan_res, &ssid);
+ wpa_scan_results_free(scan_res);
+
+ if (selected) {
+ wpa_supplicant_connect(wpa_s, selected, ssid);
} else {
- wpa_printf(MSG_DEBUG, "No suitable AP found.");
- timeout = 5;
- goto req_scan;
+ wpa_printf(MSG_DEBUG, "No suitable network found");
+ ssid = wpa_supplicant_pick_new_network(wpa_s);
+ if (ssid) {
+ wpa_printf(MSG_DEBUG, "Setup a new network");
+ wpa_supplicant_associate(wpa_s, NULL, ssid);
+ } else
+ wpa_supplicant_req_new_scan(wpa_s, 5);
}
+}
+#endif /* CONFIG_NO_SCAN_PROCESSING */
- return;
-req_scan:
- if (wpa_s->scan_res_tried == 1 && wpa_s->conf->ap_scan == 1) {
- /*
- * Quick recovery if the initial scan results were not
- * complete when fetched before the first scan request.
- */
- wpa_s->scan_res_tried++;
- timeout = 0;
+#ifdef CONFIG_IEEE80211R
+static void wpa_assoc_set_ft_params(struct wpa_supplicant *wpa_s,
+ const u8 *ftie, const u8 *mdie)
+{
+ const u8 *mobility_domain = NULL;
+ const u8 *r0kh_id = NULL;
+ size_t r0kh_id_len = 0;
+ const u8 *r1kh_id = NULL;
+ struct rsn_ftie *hdr;
+ const u8 *pos, *end;
+
+ if (mdie == NULL || ftie == NULL)
+ return;
+
+ if (mdie[1] >= MOBILITY_DOMAIN_ID_LEN) {
+ mobility_domain = mdie + 2;
+#ifdef CONFIG_SME
+ wpa_s->sme.ft_used = 1;
+ os_memcpy(wpa_s->sme.mobility_domain, mobility_domain, 2);
+#endif /* CONFIG_SME */
}
- wpa_supplicant_req_scan(wpa_s, timeout, 0);
+ if (ftie[1] >= sizeof(struct rsn_ftie)) {
+ end = ftie + 2 + ftie[1];
+ hdr = (struct rsn_ftie *) (ftie + 2);
+ pos = (const u8 *) (hdr + 1);
+ while (pos + 1 < end) {
+ if (pos + 2 + pos[1] > end)
+ break;
+ if (pos[0] == FTIE_SUBELEM_R1KH_ID &&
+ pos[1] == FT_R1KH_ID_LEN)
+ r1kh_id = pos + 2;
+ else if (pos[0] == FTIE_SUBELEM_R0KH_ID &&
+ pos[1] >= 1 && pos[1] <= FT_R0KH_ID_MAX_LEN) {
+ r0kh_id = pos + 2;
+ r0kh_id_len = pos[1];
+ }
+ pos += 2 + pos[1];
+ }
+ }
+ wpa_sm_set_ft_params(wpa_s->wpa, mobility_domain, r0kh_id,
+ r0kh_id_len, r1kh_id);
}
-#endif /* CONFIG_NO_SCAN_PROCESSING */
-
+#endif /* CONFIG_IEEE80211R */
static void wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
union wpa_event_data *data)
{
int l, len, found = 0, wpa_found, rsn_found;
- u8 *p;
+ const u8 *p;
+#ifdef CONFIG_IEEE80211R
+ const u8 *mdie = NULL, *ftie = NULL;
+#endif /* CONFIG_IEEE80211R */
wpa_printf(MSG_DEBUG, "Association info event");
if (data->assoc_info.req_ies)
wpa_hexdump(MSG_DEBUG, "beacon_ies",
data->assoc_info.beacon_ies,
data->assoc_info.beacon_ies_len);
+ if (data->assoc_info.freq)
+ wpa_printf(MSG_DEBUG, "freq=%u MHz", data->assoc_info.freq);
p = data->assoc_info.req_ies;
l = data->assoc_info.req_ies_len;
if (!found && data->assoc_info.req_ies)
wpa_sm_set_assoc_wpa_ie(wpa_s->wpa, NULL, 0);
+#ifdef CONFIG_IEEE80211R
+ p = data->assoc_info.resp_ies;
+ l = data->assoc_info.resp_ies_len;
+
+ /* Go through the IEs and make a copy of the FT/MD IE, if present. */
+ while (p && l >= 2) {
+ len = p[1] + 2;
+ if (len > l) {
+ wpa_hexdump(MSG_DEBUG, "Truncated IE in assoc_info",
+ p, l);
+ break;
+ }
+ if (p[0] == WLAN_EID_FAST_BSS_TRANSITION)
+ ftie = p;
+ else if (p[0] == WLAN_EID_MOBILITY_DOMAIN)
+ mdie = p;
+ l -= len;
+ p += len;
+ }
+
+ wpa_assoc_set_ft_params(wpa_s, ftie, mdie);
+#endif /* CONFIG_IEEE80211R */
+
/* WPA/RSN IE from Beacon/ProbeResp */
p = data->assoc_info.beacon_ies;
l = data->assoc_info.beacon_ies_len;
wpa_sm_set_ap_rsn_ie(wpa_s->wpa, NULL, 0);
if (wpa_found || rsn_found)
wpa_s->ap_ies_from_associnfo = 1;
+
+ wpa_s->assoc_freq = data->assoc_info.freq;
}
{
u8 bssid[ETH_ALEN];
int ft_completed = wpa_ft_is_completed(wpa_s->wpa);
+ int bssid_changed;
+ struct wpa_driver_capa capa;
if (data)
wpa_supplicant_event_associnfo(wpa_s, data);
wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED);
- if (wpa_s->use_client_mlme)
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME)
os_memcpy(bssid, wpa_s->bssid, ETH_ALEN);
- if (wpa_s->use_client_mlme ||
+ if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_USER_SPACE_MLME) ||
(wpa_drv_get_bssid(wpa_s, bssid) >= 0 &&
os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0)) {
wpa_msg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID="
MACSTR, MAC2STR(bssid));
+ bssid_changed = os_memcmp(wpa_s->bssid, bssid, ETH_ALEN);
os_memcpy(wpa_s->bssid, bssid, ETH_ALEN);
os_memset(wpa_s->pending_bssid, 0, ETH_ALEN);
+ if (bssid_changed)
+ wpas_notify_bssid_changed(wpa_s);
+
if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) {
wpa_clear_keys(wpa_s, bssid);
}
wpa_s, WLAN_REASON_DEAUTH_LEAVING);
return;
}
+ if (wpa_s->current_ssid) {
+ struct wpa_bss *bss = NULL;
+ struct wpa_ssid *ssid = wpa_s->current_ssid;
+ if (ssid->ssid_len > 0)
+ bss = wpa_bss_get(wpa_s, bssid,
+ ssid->ssid, ssid->ssid_len);
+ if (!bss)
+ bss = wpa_bss_get_bssid(wpa_s, bssid);
+ if (bss)
+ wpa_s->current_bss = bss;
+ }
}
+#ifdef CONFIG_SME
+ os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN);
+ wpa_s->sme.prev_bssid_set = 1;
+#endif /* CONFIG_SME */
+
wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid));
if (wpa_s->current_ssid) {
/* When using scanning (ap_scan=1), SIM PC/SC interface can be
eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE);
wpa_s->eapol_received = 0;
if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
- wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE) {
+ wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
+ (wpa_s->current_ssid &&
+ wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) {
wpa_supplicant_cancel_auth_timeout(wpa_s);
wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
} else if (!ft_completed) {
}
wpa_supplicant_cancel_scan(wpa_s);
- if (wpa_s->driver_4way_handshake &&
+ if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) &&
wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
/*
* We are done; the driver will take care of RSN 4-way
eapol_sm_notify_portValid(wpa_s->eapol, TRUE);
eapol_sm_notify_eap_success(wpa_s->eapol, TRUE);
}
+
+ if (wpa_s->pending_eapol_rx) {
+ struct os_time now, age;
+ os_get_time(&now);
+ os_time_sub(&now, &wpa_s->pending_eapol_rx_time, &age);
+ if (age.sec == 0 && age.usec < 100000 &&
+ os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) ==
+ 0) {
+ wpa_printf(MSG_DEBUG, "Process pending EAPOL frame "
+ "that was received just before association "
+ "notification");
+ wpa_supplicant_rx_eapol(
+ wpa_s, wpa_s->pending_eapol_rx_src,
+ wpabuf_head(wpa_s->pending_eapol_rx),
+ wpabuf_len(wpa_s->pending_eapol_rx));
+ }
+ wpabuf_free(wpa_s->pending_eapol_rx);
+ wpa_s->pending_eapol_rx = NULL;
+ }
+
+#ifdef CONFIG_BGSCAN
+ if (wpa_s->current_ssid != wpa_s->bgscan_ssid) {
+ bgscan_deinit(wpa_s);
+ if (wpa_s->current_ssid && wpa_s->current_ssid->bgscan) {
+ if (bgscan_init(wpa_s, wpa_s->current_ssid)) {
+ wpa_printf(MSG_DEBUG, "Failed to initialize "
+ "bgscan");
+ /*
+ * Live without bgscan; it is only used as a
+ * roaming optimization, so the initial
+ * connection is not affected.
+ */
+ } else
+ wpa_s->bgscan_ssid = wpa_s->current_ssid;
+ } else
+ wpa_s->bgscan_ssid = NULL;
+ }
+#endif /* CONFIG_BGSCAN */
+
+ if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE ||
+ wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
+ wpa_s->current_ssid && wpa_drv_get_capa(wpa_s, &capa) == 0 &&
+ capa.flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE) {
+ /* Set static WEP keys again */
+ wpa_set_wep_keys(wpa_s, wpa_s->current_ssid);
+ }
}
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) {
/*
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 */
}
}
+#ifdef CONFIG_TERMINATE_ONLASTIF
+static int any_interfaces(struct wpa_supplicant *head)
+{
+ struct wpa_supplicant *wpa_s;
+
+ for (wpa_s = head; wpa_s != NULL; wpa_s = wpa_s->next)
+ if (!wpa_s->interface_removed)
+ return 1;
+ return 0;
+}
+#endif /* CONFIG_TERMINATE_ONLASTIF */
+
+
static void
wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
union wpa_event_data *data)
wpa_supplicant_mark_disassoc(wpa_s);
l2_packet_deinit(wpa_s->l2);
wpa_s->l2 = NULL;
+#ifdef CONFIG_TERMINATE_ONLASTIF
+ /* check if last interface */
+ if (!any_interfaces(wpa_s->global->ifaces))
+ eloop_terminate();
+#endif /* CONFIG_TERMINATE_ONLASTIF */
break;
}
}
if (wpa_ft_process_response(wpa_s->wpa, data->ft_ies.ies,
data->ft_ies.ies_len,
data->ft_ies.ft_action,
- data->ft_ies.target_ap) < 0) {
+ data->ft_ies.target_ap,
+ data->ft_ies.ric_ies,
+ data->ft_ies.ric_ies_len) < 0) {
/* TODO: prevent MLME/driver from trying to associate? */
}
}
#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_IBSS_RSN
+static void wpa_supplicant_event_ibss_rsn_start(struct wpa_supplicant *wpa_s,
+ union wpa_event_data *data)
+{
+ if (data == NULL)
+ return;
+ ibss_rsn_start(wpa_s->ibss_rsn, data->ibss_rsn_start.peer);
+}
+#endif /* CONFIG_IBSS_RSN */
+
+
void wpa_supplicant_event(void *ctx, wpa_event_type event,
union wpa_event_data *data)
{
struct wpa_supplicant *wpa_s = ctx;
switch (event) {
+ case EVENT_AUTH:
+ sme_event_auth(wpa_s, data);
+ break;
case EVENT_ASSOC:
wpa_supplicant_event_assoc(wpa_s, data);
break;
case EVENT_DISASSOC:
+ if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
+ sme_event_disassoc(wpa_s, data);
+ /* fall through */
+ case EVENT_DEAUTH:
wpa_supplicant_event_disassoc(wpa_s);
break;
case EVENT_MICHAEL_MIC_FAILURE:
break;
#ifndef CONFIG_NO_SCAN_PROCESSING
case EVENT_SCAN_RESULTS:
- wpa_supplicant_event_scan_results(wpa_s);
+ wpa_supplicant_event_scan_results(wpa_s, data);
break;
#endif /* CONFIG_NO_SCAN_PROCESSING */
case EVENT_ASSOCINFO:
wpa_supplicant_event_ft_response(wpa_s, data);
break;
#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_IBSS_RSN
+ case EVENT_IBSS_RSN_START:
+ wpa_supplicant_event_ibss_rsn_start(wpa_s, data);
+ break;
+#endif /* CONFIG_IBSS_RSN */
+ case EVENT_ASSOC_REJECT:
+ sme_event_assoc_reject(wpa_s, data);
+ break;
+ case EVENT_AUTH_TIMED_OUT:
+ sme_event_auth_timed_out(wpa_s, data);
+ break;
+ case EVENT_ASSOC_TIMED_OUT:
+ sme_event_assoc_timed_out(wpa_s, data);
+ break;
+#ifdef CONFIG_AP
+ case EVENT_TX_STATUS:
+ if (wpa_s->ap_iface == NULL)
+ break;
+ switch (data->tx_status.type) {
+ case WLAN_FC_TYPE_MGMT:
+ ap_mgmt_tx_cb(wpa_s, data->tx_status.data,
+ data->tx_status.data_len,
+ data->tx_status.stype,
+ data->tx_status.ack);
+ break;
+ case WLAN_FC_TYPE_DATA:
+ ap_tx_status(wpa_s, data->tx_status.dst,
+ data->tx_status.data,
+ data->tx_status.data_len,
+ data->tx_status.ack);
+ break;
+ }
+ break;
+ case EVENT_RX_FROM_UNKNOWN:
+ if (wpa_s->ap_iface == NULL)
+ break;
+ ap_rx_from_unknown_sta(wpa_s, data->rx_from_unknown.hdr,
+ data->rx_from_unknown.len);
+ break;
+ case EVENT_RX_MGMT:
+ if (wpa_s->ap_iface == NULL)
+ break;
+ ap_mgmt_rx(wpa_s, data->rx_mgmt.frame,
+ data->rx_mgmt.frame_len, data->rx_mgmt.fi);
+ break;
+#endif /* CONFIG_AP */
default:
wpa_printf(MSG_INFO, "Unknown event %d", event);
break;
projects / mech_eap.git / blobdiff