bsd: Get rid of printf size_t warnings with 64-bit builds
[wpasupplicant] / wpa_supplicant / events.c
index 27dfd55..159b024 100644 (file)
 #include "eapol_supp/eapol_supp_sm.h"
 #include "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"
@@ -31,6 +31,9 @@
 #include "ieee802_11_defs.h"
 #include "blacklist.h"
 #include "wpas_glue.h"
+#include "wps_supplicant.h"
+#include "ibss_rsn.h"
+#include "sme.h"
 
 
 static int wpa_supplicant_select_config(struct wpa_supplicant *wpa_s)
@@ -250,6 +253,11 @@ static int wpa_supplicant_match_privacy(struct wpa_scan_res *bss,
        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;
@@ -269,12 +277,18 @@ static int wpa_supplicant_match_privacy(struct wpa_scan_res *bss,
 }
 
 
-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;
+
+       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) {
@@ -409,13 +423,22 @@ wpa_supplicant_select_bss_wpa(struct wpa_supplicant *wpa_s,
                }
 
                for (ssid = group; ssid; ssid = ssid->pnext) {
+                       int check_ssid = 1;
+
                        if (ssid->disabled) {
                                wpa_printf(MSG_DEBUG, "   skip - disabled");
                                continue;
                        }
 
-                       if (ssid_len != ssid->ssid_len ||
-                           os_memcmp(ssid_, ssid->ssid, ssid_len) != 0) {
+#ifdef CONFIG_WPS
+                       if (ssid->ssid_len == 0 &&
+                           wpas_wps_ssid_wildcard_ok(wpa_s, ssid, bss))
+                               check_ssid = 0;
+#endif /* CONFIG_WPS */
+
+                       if (check_ssid &&
+                           (ssid_len != ssid->ssid_len ||
+                            os_memcmp(ssid_, ssid->ssid, ssid_len) != 0)) {
                                wpa_printf(MSG_DEBUG, "   skip - "
                                           "SSID mismatch");
                                continue;
@@ -429,7 +452,7 @@ wpa_supplicant_select_bss_wpa(struct wpa_supplicant *wpa_s,
                                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 "
@@ -485,12 +508,27 @@ wpa_supplicant_select_bss_non_wpa(struct wpa_supplicant *wpa_s,
                }
 
                for (ssid = group; ssid; ssid = ssid->pnext) {
+                       int check_ssid = ssid->ssid_len != 0;
+
                        if (ssid->disabled) {
                                wpa_printf(MSG_DEBUG, "   skip - disabled");
                                continue;
                        }
 
-                       if (ssid->ssid_len != 0 &&
+#ifdef CONFIG_WPS
+                       if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
+                               /* Only allow wildcard SSID match if an AP
+                                * advertises active WPS operation that matches
+                                * with our mode. */
+                               check_ssid = 1;
+                               if (ssid->ssid_len == 0 &&
+                                   wpas_wps_ssid_wildcard_ok(wpa_s, ssid,
+                                                             bss))
+                                       check_ssid = 0;
+                       }
+#endif /* CONFIG_WPS */
+
+                       if (check_ssid &&
                            (ssid_len != ssid->ssid_len ||
                             os_memcmp(ssid_, ssid->ssid, ssid_len) != 0)) {
                                wpa_printf(MSG_DEBUG, "   skip - "
@@ -507,6 +545,7 @@ wpa_supplicant_select_bss_non_wpa(struct wpa_supplicant *wpa_s,
                        }
                        
                        if (!(ssid->key_mgmt & WPA_KEY_MGMT_NONE) &&
+                           !(ssid->key_mgmt & WPA_KEY_MGMT_WPS) &&
                            !(ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA))
                        {
                                wpa_printf(MSG_DEBUG, "   skip - "
@@ -576,6 +615,8 @@ static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s)
        struct wpa_scan_res *selected = NULL;
        struct wpa_ssid *ssid = NULL;
 
+       wpa_supplicant_notify_scanning(wpa_s, 0);
+
        if (wpa_supplicant_get_scan_results(wpa_s) < 0) {
                if (wpa_s->conf->ap_scan == 2)
                        return;
@@ -596,9 +637,11 @@ static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s)
        } else {
                wpa_msg(wpa_s, MSG_INFO, WPA_EVENT_SCAN_RESULTS);
                wpa_supplicant_dbus_notify_scan_results(wpa_s);
+               wpas_wps_notify_scan_results(wpa_s);
        }
 
-       if (wpa_s->conf->ap_scan == 2 || wpa_s->disconnected)
+       if ((wpa_s->conf->ap_scan == 2 && !wpas_wps_searching(wpa_s)) ||
+           wpa_s->disconnected)
                return;
 
        while (selected == NULL) {
@@ -613,12 +656,20 @@ static void wpa_supplicant_event_scan_results(struct wpa_supplicant *wpa_s)
                        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;
                }
        }
 
        if (selected) {
+               if (wpas_wps_scan_pbc_overlap(wpa_s, selected, ssid)) {
+                       wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_OVERLAP
+                               "PBC session overlap");
+                       timeout = 10;
+                       goto req_scan;
+               }
+
                /* 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
@@ -660,11 +711,58 @@ req_scan:
 #endif /* CONFIG_NO_SCAN_PROCESSING */
 
 
+#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 */
+       }
+       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_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)
@@ -704,6 +802,29 @@ static void wpa_supplicant_event_associnfo(struct wpa_supplicant *wpa_s,
        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 WPA/RSN 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;
@@ -754,9 +875,9 @@ static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
                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="
@@ -811,7 +932,7 @@ static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
        }
        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
@@ -969,6 +1090,19 @@ wpa_supplicant_event_michael_mic_failure(struct wpa_supplicant *wpa_s,
 }
 
 
+#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)
@@ -993,6 +1127,11 @@ wpa_supplicant_event_interface_status(struct wpa_supplicant *wpa_s,
                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;
        }
 }
@@ -1021,22 +1160,39 @@ wpa_supplicant_event_ft_response(struct wpa_supplicant *wpa_s,
        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_DEAUTH:
        case EVENT_DISASSOC:
                wpa_supplicant_event_disassoc(wpa_s);
                break;
@@ -1067,6 +1223,20 @@ void wpa_supplicant_event(void *ctx, wpa_event_type event,
                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;
        default:
                wpa_printf(MSG_INFO, "Unknown event %d", event);
                break;