#include "common.h"
#include "ieee802_11_defs.h"
+#include "ieee802_11_common.h"
#include "wpa_common.h"
#include "config.h"
+#include "eap_peer/eap.h"
#include "wpa_supplicant_i.h"
-#include "wps/wps.h"
-#include "wps/wps_defs.h"
+#include "driver_i.h"
+#include "eloop.h"
+#include "uuid.h"
+#include "wpa_ctrl.h"
+#include "notify.h"
+#include "eap_common/eap_wsc_common.h"
+#include "blacklist.h"
+#include "wpa.h"
#include "wps_supplicant.h"
+#include "dh_group5.h"
+
+#define WPS_PIN_SCAN_IGNORE_SEL_REG 3
+
+static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx);
+static void wpas_clear_wps(struct wpa_supplicant *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->current_ssid &&
!(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
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 wpas_wps_security_workaround(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid,
+ const struct wps_credential *cred)
+{
+ struct wpa_driver_capa capa;
+ size_t i;
+ struct wpa_scan_res *bss;
+ const u8 *ie;
+ struct wpa_ie_data adv;
+ int wpa2 = 0, ccmp = 0;
+
+ /*
+ * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in
+ * case they are configured for mixed mode operation (WPA+WPA2 and
+ * TKIP+CCMP). Try to use scan results to figure out whether the AP
+ * actually supports stronger security and select that if the client
+ * has support for it, too.
+ */
+
+ if (wpa_drv_get_capa(wpa_s, &capa))
+ return; /* Unknown what driver supports */
+
+ if (wpa_supplicant_get_scan_results(wpa_s) || wpa_s->scan_res == NULL)
+ return; /* Could not get scan results for checking advertised
+ * parameters */
+
+ for (i = 0; i < wpa_s->scan_res->num; i++) {
+ bss = wpa_s->scan_res->res[i];
+ if (os_memcmp(bss->bssid, cred->mac_addr, ETH_ALEN) != 0)
+ continue;
+ ie = wpa_scan_get_ie(bss, WLAN_EID_SSID);
+ if (ie == NULL)
+ continue;
+ if (ie[1] != ssid->ssid_len || ssid->ssid == NULL ||
+ os_memcmp(ie + 2, ssid->ssid, ssid->ssid_len) != 0)
+ continue;
+
+ wpa_printf(MSG_DEBUG, "WPS: AP found from scan results");
+ break;
+ }
+
+ if (i == wpa_s->scan_res->num) {
+ wpa_printf(MSG_DEBUG, "WPS: The AP was not found from scan "
+ "results - use credential as-is");
+ return;
+ }
+
+ ie = wpa_scan_get_ie(bss, WLAN_EID_RSN);
+ if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) {
+ wpa2 = 1;
+ if (adv.pairwise_cipher & WPA_CIPHER_CCMP)
+ ccmp = 1;
+ } else {
+ ie = wpa_scan_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
+ if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 &&
+ adv.pairwise_cipher & WPA_CIPHER_CCMP)
+ ccmp = 1;
+ }
+
+ if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) &&
+ (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) {
+ /*
+ * TODO: This could be the initial AP configuration and the
+ * Beacon contents could change shortly. Should request a new
+ * scan and delay addition of the network until the updated
+ * scan results are available.
+ */
+ wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA "
+ "support - use credential as-is");
+ return;
+ }
+
+ if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) &&
+ (ssid->pairwise_cipher & WPA_CIPHER_TKIP) &&
+ (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
+ wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential "
+ "based on scan results");
+ if (wpa_s->conf->ap_scan == 1)
+ ssid->pairwise_cipher |= WPA_CIPHER_CCMP;
+ else
+ ssid->pairwise_cipher = WPA_CIPHER_CCMP;
+ }
+
+ if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) &&
+ (ssid->proto & WPA_PROTO_WPA) &&
+ (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) {
+ wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential "
+ "based on scan results");
+ if (wpa_s->conf->ap_scan == 1)
+ ssid->proto |= WPA_PROTO_RSN;
+ else
+ ssid->proto = WPA_PROTO_RSN;
+ }
+}
+
+
static int wpa_supplicant_wps_cred(void *ctx,
const struct wps_credential *cred)
{
struct wpa_supplicant *wpa_s = ctx;
struct wpa_ssid *ssid = wpa_s->current_ssid;
+ u8 key_idx = 0;
+ u16 auth_type;
+
+ if ((wpa_s->conf->wps_cred_processing == 1 ||
+ wpa_s->conf->wps_cred_processing == 2) && cred->cred_attr) {
+ size_t blen = cred->cred_attr_len * 2 + 1;
+ char *buf = os_malloc(blen);
+ if (buf) {
+ wpa_snprintf_hex(buf, blen,
+ cred->cred_attr, cred->cred_attr_len);
+ wpa_msg(wpa_s, MSG_INFO, "%s%s",
+ WPS_EVENT_CRED_RECEIVED, buf);
+ os_free(buf);
+ }
+
+ wpas_notify_wps_credential(wpa_s, cred);
+ } else
+ wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_CRED_RECEIVED);
+
+ wpa_hexdump_key(MSG_DEBUG, "WPS: Received Credential attribute",
+ cred->cred_attr, cred->cred_attr_len);
- wpa_msg(wpa_s, MSG_INFO, "WPS: New credential received");
+ if (wpa_s->conf->wps_cred_processing == 1)
+ return 0;
+
+ wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID", cred->ssid, cred->ssid_len);
+ wpa_printf(MSG_DEBUG, "WPS: Authentication Type 0x%x",
+ cred->auth_type);
+ wpa_printf(MSG_DEBUG, "WPS: Encryption Type 0x%x", cred->encr_type);
+ wpa_printf(MSG_DEBUG, "WPS: Network Key Index %d", cred->key_idx);
+ wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key",
+ cred->key, cred->key_len);
+ wpa_printf(MSG_DEBUG, "WPS: MAC Address " MACSTR,
+ MAC2STR(cred->mac_addr));
+
+ auth_type = cred->auth_type;
+ if (auth_type == (WPS_AUTH_WPAPSK | WPS_AUTH_WPA2PSK)) {
+ wpa_printf(MSG_DEBUG, "WPS: Workaround - convert mixed-mode "
+ "auth_type into WPA2PSK");
+ auth_type = WPS_AUTH_WPA2PSK;
+ }
+
+ if (auth_type != WPS_AUTH_OPEN &&
+ auth_type != WPS_AUTH_SHARED &&
+ auth_type != WPS_AUTH_WPAPSK &&
+ auth_type != WPS_AUTH_WPA2PSK) {
+ wpa_printf(MSG_DEBUG, "WPS: Ignored credentials for "
+ "unsupported authentication type 0x%x",
+ auth_type);
+ return 0;
+ }
if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
ssid = wpa_config_add_network(wpa_s->conf);
if (ssid == NULL)
return -1;
+ wpas_notify_network_added(wpa_s, ssid);
}
wpa_config_set_network_defaults(ssid);
switch (cred->encr_type) {
case WPS_ENCR_NONE:
- ssid->pairwise_cipher = ssid->group_cipher = WPA_CIPHER_NONE;
break;
case WPS_ENCR_WEP:
- ssid->pairwise_cipher = ssid->group_cipher =
- WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104;
- if (cred->key_len > 0 && cred->key_len <= MAX_WEP_KEY_LEN &&
- cred->key_idx < NUM_WEP_KEYS) {
- os_memcpy(ssid->wep_key[cred->key_idx], cred->key,
+ if (cred->key_len <= 0)
+ break;
+ if (cred->key_len != 5 && cred->key_len != 13 &&
+ cred->key_len != 10 && cred->key_len != 26) {
+ wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key length "
+ "%lu", (unsigned long) cred->key_len);
+ return -1;
+ }
+ if (cred->key_idx > NUM_WEP_KEYS) {
+ wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key index %d",
+ cred->key_idx);
+ return -1;
+ }
+ if (cred->key_idx)
+ key_idx = cred->key_idx - 1;
+ if (cred->key_len == 10 || cred->key_len == 26) {
+ if (hexstr2bin((char *) cred->key,
+ ssid->wep_key[key_idx],
+ cred->key_len / 2) < 0) {
+ wpa_printf(MSG_ERROR, "WPS: Invalid WEP Key "
+ "%d", key_idx);
+ return -1;
+ }
+ ssid->wep_key_len[key_idx] = cred->key_len / 2;
+ } else {
+ os_memcpy(ssid->wep_key[key_idx], cred->key,
cred->key_len);
- ssid->wep_key_len[cred->key_idx] = cred->key_len;
- ssid->wep_tx_keyidx = cred->key_idx;
+ ssid->wep_key_len[key_idx] = cred->key_len;
}
+ ssid->wep_tx_keyidx = key_idx;
break;
case WPS_ENCR_TKIP:
ssid->pairwise_cipher = WPA_CIPHER_TKIP;
- ssid->group_cipher = WPA_CIPHER_TKIP;
break;
case WPS_ENCR_AES:
ssid->pairwise_cipher = WPA_CIPHER_CCMP;
- ssid->group_cipher = WPA_CIPHER_CCMP | WPA_CIPHER_TKIP;
break;
}
- switch (cred->auth_type) {
+ switch (auth_type) {
case WPS_AUTH_OPEN:
ssid->auth_alg = WPA_AUTH_ALG_OPEN;
ssid->key_mgmt = WPA_KEY_MGMT_NONE;
}
}
+ wpas_wps_security_workaround(wpa_s, ssid, cred);
+
#ifndef CONFIG_NO_CONFIG_WRITE
if (wpa_s->conf->update_config &&
wpa_config_write(wpa_s->confname, wpa_s->conf)) {
}
-void * wpas_wps_get_cred_cb(void)
+static void wpa_supplicant_wps_event_m2d(struct wpa_supplicant *wpa_s,
+ struct wps_event_m2d *m2d)
+{
+ wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_M2D
+ "dev_password_id=%d config_error=%d",
+ m2d->dev_password_id, m2d->config_error);
+ wpas_notify_wps_event_m2d(wpa_s, m2d);
+}
+
+
+static void wpa_supplicant_wps_event_fail(struct wpa_supplicant *wpa_s,
+ struct wps_event_fail *fail)
+{
+ wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_FAIL "msg=%d", fail->msg);
+ wpas_clear_wps(wpa_s);
+ wpas_notify_wps_event_fail(wpa_s, fail);
+}
+
+
+static void wpa_supplicant_wps_event_success(struct wpa_supplicant *wpa_s)
+{
+ wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_SUCCESS);
+ wpa_s->wps_success = 1;
+ wpas_notify_wps_event_success(wpa_s);
+}
+
+
+static void wpa_supplicant_wps_event(void *ctx, enum wps_event event,
+ union wps_event_data *data)
+{
+ struct wpa_supplicant *wpa_s = ctx;
+ switch (event) {
+ case WPS_EV_M2D:
+ wpa_supplicant_wps_event_m2d(wpa_s, &data->m2d);
+ break;
+ case WPS_EV_FAIL:
+ wpa_supplicant_wps_event_fail(wpa_s, &data->fail);
+ break;
+ case WPS_EV_SUCCESS:
+ wpa_supplicant_wps_event_success(wpa_s);
+ break;
+ case WPS_EV_PWD_AUTH_FAIL:
+ break;
+ case WPS_EV_PBC_OVERLAP:
+ break;
+ case WPS_EV_PBC_TIMEOUT:
+ break;
+ }
+}
+
+
+enum wps_request_type wpas_wps_get_req_type(struct wpa_ssid *ssid)
+{
+ if (eap_is_wps_pbc_enrollee(&ssid->eap) ||
+ eap_is_wps_pin_enrollee(&ssid->eap))
+ return WPS_REQ_ENROLLEE;
+ else
+ return WPS_REQ_REGISTRAR;
+}
+
+
+static void wpas_clear_wps(struct wpa_supplicant *wpa_s)
+{
+ int id;
+ struct wpa_ssid *ssid, *remove_ssid = NULL;
+
+ eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
+
+ /* Remove any existing WPS network from configuration */
+ ssid = wpa_s->conf->ssid;
+ while (ssid) {
+ if (ssid->key_mgmt & WPA_KEY_MGMT_WPS) {
+ if (ssid == wpa_s->current_ssid) {
+ wpa_s->current_ssid = NULL;
+ if (ssid != NULL)
+ wpas_notify_network_changed(wpa_s);
+ }
+ id = ssid->id;
+ remove_ssid = ssid;
+ } else
+ id = -1;
+ ssid = ssid->next;
+ if (id >= 0) {
+ wpas_notify_network_removed(wpa_s, remove_ssid);
+ wpa_config_remove_network(wpa_s->conf, id);
+ }
+ }
+}
+
+
+static void wpas_wps_timeout(void *eloop_ctx, void *timeout_ctx)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ wpa_printf(MSG_INFO, WPS_EVENT_TIMEOUT "Requested operation timed "
+ "out");
+ wpas_clear_wps(wpa_s);
+}
+
+
+static struct wpa_ssid * wpas_wps_add_network(struct wpa_supplicant *wpa_s,
+ int registrar, const u8 *bssid)
+{
+ struct wpa_ssid *ssid;
+
+ ssid = wpa_config_add_network(wpa_s->conf);
+ if (ssid == NULL)
+ return NULL;
+ wpas_notify_network_added(wpa_s, ssid);
+ wpa_config_set_network_defaults(ssid);
+ if (wpa_config_set(ssid, "key_mgmt", "WPS", 0) < 0 ||
+ wpa_config_set(ssid, "eap", "WSC", 0) < 0 ||
+ wpa_config_set(ssid, "identity", registrar ?
+ "\"" WSC_ID_REGISTRAR "\"" :
+ "\"" WSC_ID_ENROLLEE "\"", 0) < 0) {
+ wpas_notify_network_removed(wpa_s, ssid);
+ wpa_config_remove_network(wpa_s->conf, ssid->id);
+ return NULL;
+ }
+
+ if (bssid) {
+ size_t i;
+ struct wpa_scan_res *res;
+
+ os_memcpy(ssid->bssid, bssid, ETH_ALEN);
+ ssid->bssid_set = 1;
+
+ /* Try to get SSID from scan results */
+ if (wpa_s->scan_res == NULL &&
+ wpa_supplicant_get_scan_results(wpa_s) < 0)
+ return ssid; /* Could not find any scan results */
+
+ for (i = 0; i < wpa_s->scan_res->num; i++) {
+ const u8 *ie;
+
+ res = wpa_s->scan_res->res[i];
+ if (os_memcmp(bssid, res->bssid, ETH_ALEN) != 0)
+ continue;
+
+ ie = wpa_scan_get_ie(res, WLAN_EID_SSID);
+ if (ie == NULL)
+ break;
+ os_free(ssid->ssid);
+ ssid->ssid = os_malloc(ie[1]);
+ if (ssid->ssid == NULL)
+ break;
+ os_memcpy(ssid->ssid, ie + 2, ie[1]);
+ ssid->ssid_len = ie[1];
+ break;
+ }
+ }
+
+ return ssid;
+}
+
+
+static void wpas_wps_reassoc(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *selected)
+{
+ struct wpa_ssid *ssid;
+
+ /* Mark all other networks disabled and trigger reassociation */
+ ssid = wpa_s->conf->ssid;
+ while (ssid) {
+ int was_disabled = ssid->disabled;
+ ssid->disabled = ssid != selected;
+ if (was_disabled != ssid->disabled)
+ wpas_notify_network_enabled_changed(wpa_s, ssid);
+ ssid = ssid->next;
+ }
+ wpa_s->disconnected = 0;
+ wpa_s->reassociate = 1;
+ wpa_s->scan_runs = 0;
+ wpa_s->wps_success = 0;
+ wpa_s->blacklist_cleared = 0;
+ wpa_supplicant_req_scan(wpa_s, 0, 0);
+}
+
+
+int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid)
+{
+ struct wpa_ssid *ssid;
+ wpas_clear_wps(wpa_s);
+ ssid = wpas_wps_add_network(wpa_s, 0, bssid);
+ if (ssid == NULL)
+ return -1;
+ wpa_config_set(ssid, "phase1", "\"pbc=1\"", 0);
+ eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
+ wpa_s, NULL);
+ wpas_wps_reassoc(wpa_s, ssid);
+ return 0;
+}
+
+
+int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
+ const char *pin)
+{
+ struct wpa_ssid *ssid;
+ char val[128];
+ unsigned int rpin = 0;
+
+ wpas_clear_wps(wpa_s);
+ ssid = wpas_wps_add_network(wpa_s, 0, bssid);
+ if (ssid == NULL)
+ return -1;
+ if (pin)
+ os_snprintf(val, sizeof(val), "\"pin=%s\"", pin);
+ else {
+ rpin = wps_generate_pin();
+ os_snprintf(val, sizeof(val), "\"pin=%08d\"", rpin);
+ }
+ wpa_config_set(ssid, "phase1", val, 0);
+ eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
+ wpa_s, NULL);
+ wpas_wps_reassoc(wpa_s, ssid);
+ return rpin;
+}
+
+
+#ifdef CONFIG_WPS_OOB
+int wpas_wps_start_oob(struct wpa_supplicant *wpa_s, char *device_type,
+ char *path, char *method, char *name)
+{
+ struct wps_context *wps = wpa_s->wps;
+ struct oob_device_data *oob_dev;
+
+ oob_dev = wps_get_oob_device(device_type);
+ if (oob_dev == NULL)
+ return -1;
+ oob_dev->device_path = path;
+ oob_dev->device_name = name;
+ wps->oob_conf.oob_method = wps_get_oob_method(method);
+
+ if (wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E) {
+ /*
+ * Use pre-configured DH keys in order to be able to write the
+ * key hash into the OOB file.
+ */
+ wpabuf_free(wps->dh_pubkey);
+ wpabuf_free(wps->dh_privkey);
+ wps->dh_privkey = NULL;
+ wps->dh_pubkey = NULL;
+ dh5_free(wps->dh_ctx);
+ wps->dh_ctx = dh5_init(&wps->dh_privkey, &wps->dh_pubkey);
+ wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192);
+ if (wps->dh_ctx == NULL || wps->dh_pubkey == NULL) {
+ wpa_printf(MSG_ERROR, "WPS: Failed to initialize "
+ "Diffie-Hellman handshake");
+ return -1;
+ }
+ }
+
+ if (wps->oob_conf.oob_method == OOB_METHOD_CRED)
+ wpas_clear_wps(wpa_s);
+
+ if (wps_process_oob(wps, oob_dev, 0) < 0)
+ return -1;
+
+ if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E ||
+ wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) &&
+ wpas_wps_start_pin(wpa_s, NULL,
+ wpabuf_head(wps->oob_conf.dev_password)) < 0)
+ return -1;
+
+ return 0;
+}
+#endif /* CONFIG_WPS_OOB */
+
+
+int wpas_wps_start_reg(struct wpa_supplicant *wpa_s, const u8 *bssid,
+ const char *pin, struct wps_new_ap_settings *settings)
{
- return wpa_supplicant_wps_cred;
+ struct wpa_ssid *ssid;
+ char val[200];
+ char *pos, *end;
+ int res;
+
+ if (!pin)
+ return -1;
+ wpas_clear_wps(wpa_s);
+ ssid = wpas_wps_add_network(wpa_s, 1, bssid);
+ if (ssid == NULL)
+ return -1;
+ pos = val;
+ end = pos + sizeof(val);
+ res = os_snprintf(pos, end - pos, "\"pin=%s", pin);
+ if (res < 0 || res >= end - pos)
+ return -1;
+ pos += res;
+ if (settings) {
+ res = os_snprintf(pos, end - pos, " new_ssid=%s new_auth=%s "
+ "new_encr=%s new_key=%s",
+ settings->ssid_hex, settings->auth,
+ settings->encr, settings->key_hex);
+ if (res < 0 || res >= end - pos)
+ return -1;
+ pos += res;
+ }
+ res = os_snprintf(pos, end - pos, "\"");
+ if (res < 0 || res >= end - pos)
+ return -1;
+ wpa_config_set(ssid, "phase1", val, 0);
+ eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wpas_wps_timeout,
+ wpa_s, NULL);
+ wpas_wps_reassoc(wpa_s, ssid);
+ return 0;
+}
+
+
+static int wpas_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk,
+ size_t psk_len)
+{
+ wpa_printf(MSG_DEBUG, "WPS: Received new WPA/WPA2-PSK from WPS for "
+ "STA " MACSTR, MAC2STR(mac_addr));
+ wpa_hexdump_key(MSG_DEBUG, "Per-device PSK", psk, psk_len);
+
+ /* TODO */
+
+ return 0;
+}
+
+
+static void wpas_wps_pin_needed_cb(void *ctx, const u8 *uuid_e,
+ const struct wps_device_data *dev)
+{
+ char uuid[40], txt[400];
+ int len;
+ if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
+ return;
+ wpa_printf(MSG_DEBUG, "WPS: PIN needed for UUID-E %s", uuid);
+ len = os_snprintf(txt, sizeof(txt), "WPS-EVENT-PIN-NEEDED %s " MACSTR
+ " [%s|%s|%s|%s|%s|%d-%08X-%d]",
+ uuid, MAC2STR(dev->mac_addr), dev->device_name,
+ dev->manufacturer, dev->model_name,
+ dev->model_number, dev->serial_number,
+ dev->categ, dev->oui, dev->sub_categ);
+ if (len > 0 && len < (int) sizeof(txt))
+ wpa_printf(MSG_INFO, "%s", txt);
+}
+
+
+static void wpas_wps_set_sel_reg_cb(void *ctx, int sel_reg, u16 dev_passwd_id,
+ u16 sel_reg_config_methods)
+{
+#ifdef CONFIG_WPS_ER
+ struct wpa_supplicant *wpa_s = ctx;
+
+ if (wpa_s->wps_er == NULL)
+ return;
+ wps_er_set_sel_reg(wpa_s->wps_er, sel_reg, dev_passwd_id,
+ sel_reg_config_methods);
+#endif /* CONFIG_WPS_ER */
+}
+
+
+int wpas_wps_init(struct wpa_supplicant *wpa_s)
+{
+ struct wps_context *wps;
+ struct wps_registrar_config rcfg;
+
+ wps = os_zalloc(sizeof(*wps));
+ if (wps == NULL)
+ return -1;
+
+ wps->cred_cb = wpa_supplicant_wps_cred;
+ wps->event_cb = wpa_supplicant_wps_event;
+ wps->cb_ctx = wpa_s;
+
+ wps->dev.device_name = wpa_s->conf->device_name;
+ wps->dev.manufacturer = wpa_s->conf->manufacturer;
+ wps->dev.model_name = wpa_s->conf->model_name;
+ wps->dev.model_number = wpa_s->conf->model_number;
+ wps->dev.serial_number = wpa_s->conf->serial_number;
+ if (wpa_s->conf->device_type) {
+ char *pos;
+ u8 oui[4];
+ /* <categ>-<OUI>-<subcateg> */
+ wps->dev.categ = atoi(wpa_s->conf->device_type);
+ pos = os_strchr(wpa_s->conf->device_type, '-');
+ if (pos == NULL) {
+ wpa_printf(MSG_ERROR, "WPS: Invalid device_type");
+ os_free(wps);
+ return -1;
+ }
+ pos++;
+ if (hexstr2bin(pos, oui, 4)) {
+ wpa_printf(MSG_ERROR, "WPS: Invalid device_type OUI");
+ os_free(wps);
+ return -1;
+ }
+ wps->dev.oui = WPA_GET_BE32(oui);
+ pos = os_strchr(pos, '-');
+ if (pos == NULL) {
+ wpa_printf(MSG_ERROR, "WPS: Invalid device_type");
+ os_free(wps);
+ return -1;
+ }
+ pos++;
+ wps->dev.sub_categ = atoi(pos);
+ }
+ wps->dev.os_version = WPA_GET_BE32(wpa_s->conf->os_version);
+ wps->dev.rf_bands = WPS_RF_24GHZ | WPS_RF_50GHZ; /* TODO: config */
+ os_memcpy(wps->dev.mac_addr, wpa_s->own_addr, ETH_ALEN);
+ if (is_nil_uuid(wpa_s->conf->uuid)) {
+ uuid_gen_mac_addr(wpa_s->own_addr, wps->uuid);
+ wpa_hexdump(MSG_DEBUG, "WPS: UUID based on MAC address",
+ wps->uuid, WPS_UUID_LEN);
+ } else
+ os_memcpy(wps->uuid, wpa_s->conf->uuid, WPS_UUID_LEN);
+
+ wps->auth_types = WPS_AUTH_WPA2PSK | WPS_AUTH_WPAPSK;
+ wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
+
+ os_memset(&rcfg, 0, sizeof(rcfg));
+ rcfg.new_psk_cb = wpas_wps_new_psk_cb;
+ rcfg.pin_needed_cb = wpas_wps_pin_needed_cb;
+ rcfg.set_sel_reg_cb = wpas_wps_set_sel_reg_cb;
+ rcfg.cb_ctx = wpa_s;
+
+ wps->registrar = wps_registrar_init(wps, &rcfg);
+ if (wps->registrar == NULL) {
+ wpa_printf(MSG_DEBUG, "Failed to initialize WPS Registrar");
+ os_free(wps);
+ return -1;
+ }
+
+ wpa_s->wps = wps;
+
+ return 0;
+}
+
+
+void wpas_wps_deinit(struct wpa_supplicant *wpa_s)
+{
+ eloop_cancel_timeout(wpas_wps_timeout, wpa_s, NULL);
+
+ if (wpa_s->wps == NULL)
+ return;
+
+ wps_registrar_deinit(wpa_s->wps->registrar);
+ wpabuf_free(wpa_s->wps->dh_pubkey);
+ wpabuf_free(wpa_s->wps->dh_privkey);
+ wpabuf_free(wpa_s->wps->oob_conf.pubkey_hash);
+ wpabuf_free(wpa_s->wps->oob_conf.dev_password);
+ os_free(wpa_s->wps->network_key);
+ os_free(wpa_s->wps);
+ wpa_s->wps = NULL;
+
+#ifdef CONFIG_WPS_ER
+ wps_er_deinit(wpa_s->wps_er);
+ wpa_s->wps_er = NULL;
+#endif /* CONFIG_WPS_ER */
+}
+
+
+int wpas_wps_ssid_bss_match(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid, struct wpa_scan_res *bss)
+{
+ struct wpabuf *wps_ie;
+
+ if (!(ssid->key_mgmt & WPA_KEY_MGMT_WPS))
+ return -1;
+
+ wps_ie = wpa_scan_get_vendor_ie_multi(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)) {
+ wpa_printf(MSG_DEBUG, " skip - WPS AP "
+ "without active PBC Registrar");
+ wpabuf_free(wps_ie);
+ return 0;
+ }
+
+ /* TODO: overlap detection */
+ wpa_printf(MSG_DEBUG, " selected based on WPS IE "
+ "(Active PBC)");
+ wpabuf_free(wps_ie);
+ return 1;
+ }
+
+ if (eap_is_wps_pin_enrollee(&ssid->eap)) {
+ if (!wps_ie) {
+ wpa_printf(MSG_DEBUG, " skip - non-WPS AP");
+ return 0;
+ }
+
+ /*
+ * Start with WPS APs that advertise active PIN Registrar and
+ * allow any WPS AP after third scan since some APs do not set
+ * Selected Registrar attribute properly when using external
+ * Registrar.
+ */
+ if (!wps_is_selected_pin_registrar(wps_ie)) {
+ if (wpa_s->scan_runs < WPS_PIN_SCAN_IGNORE_SEL_REG) {
+ wpa_printf(MSG_DEBUG, " skip - WPS AP "
+ "without active PIN Registrar");
+ wpabuf_free(wps_ie);
+ return 0;
+ }
+ wpa_printf(MSG_DEBUG, " selected based on WPS IE");
+ } else {
+ wpa_printf(MSG_DEBUG, " selected based on WPS IE "
+ "(Active PIN)");
+ }
+ wpabuf_free(wps_ie);
+ return 1;
+ }
+
+ if (wps_ie) {
+ wpa_printf(MSG_DEBUG, " selected based on WPS IE");
+ wpabuf_free(wps_ie);
+ return 1;
+ }
+
+ return -1;
+}
+
+
+int wpas_wps_ssid_wildcard_ok(struct wpa_supplicant *wpa_s,
+ struct wpa_ssid *ssid,
+ struct wpa_scan_res *bss)
+{
+ struct wpabuf *wps_ie = NULL;
+ int ret = 0;
+
+ if (eap_is_wps_pbc_enrollee(&ssid->eap)) {
+ wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+ if (wps_ie && wps_is_selected_pbc_registrar(wps_ie)) {
+ /* allow wildcard SSID for WPS PBC */
+ ret = 1;
+ }
+ } else if (eap_is_wps_pin_enrollee(&ssid->eap)) {
+ wps_ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+ if (wps_ie &&
+ (wps_is_selected_pin_registrar(wps_ie) ||
+ wpa_s->scan_runs >= WPS_PIN_SCAN_IGNORE_SEL_REG)) {
+ /* allow wildcard SSID for WPS PIN */
+ ret = 1;
+ }
+ }
+
+ if (!ret && ssid->bssid_set &&
+ os_memcmp(ssid->bssid, bss->bssid, ETH_ALEN) == 0) {
+ /* allow wildcard SSID due to hardcoded BSSID match */
+ ret = 1;
+ }
+
+ wpabuf_free(wps_ie);
+
+ return ret;
+}
+
+
+int wpas_wps_scan_pbc_overlap(struct wpa_supplicant *wpa_s,
+ struct wpa_scan_res *selected,
+ struct wpa_ssid *ssid)
+{
+ const u8 *sel_uuid, *uuid;
+ size_t i;
+ struct wpabuf *wps_ie;
+ int ret = 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_multi(selected, WPS_IE_VENDOR_TYPE);
+ if (wps_ie)
+ sel_uuid = wps_get_uuid_e(wps_ie);
+ else
+ sel_uuid = NULL;
+
+ for (i = 0; i < wpa_s->scan_res->num; i++) {
+ struct wpa_scan_res *bss = wpa_s->scan_res->res[i];
+ struct wpabuf *ie;
+ if (bss == selected)
+ continue;
+ ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+ if (!ie)
+ continue;
+ if (!wps_is_selected_pbc_registrar(ie)) {
+ wpabuf_free(ie);
+ continue;
+ }
+ uuid = wps_get_uuid_e(ie);
+ if (sel_uuid == NULL || uuid == NULL ||
+ os_memcmp(sel_uuid, uuid, 16) != 0) {
+ ret = 1; /* PBC overlap */
+ wpabuf_free(ie);
+ break;
+ }
+
+ /* TODO: verify that this is reasonable dual-band situation */
+
+ wpabuf_free(ie);
+ }
+
+ wpabuf_free(wps_ie);
+
+ return ret;
+}
+
+
+void wpas_wps_notify_scan_results(struct wpa_supplicant *wpa_s)
+{
+ size_t i;
+
+ if (wpa_s->disconnected || wpa_s->wpa_state >= WPA_ASSOCIATED)
+ return;
+
+ for (i = 0; i < wpa_s->scan_res->num; i++) {
+ struct wpa_scan_res *bss = wpa_s->scan_res->res[i];
+ struct wpabuf *ie;
+ ie = wpa_scan_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
+ if (!ie)
+ continue;
+ if (wps_is_selected_pbc_registrar(ie))
+ wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PBC);
+ else if (wps_is_selected_pin_registrar(ie))
+ wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE_PIN);
+ else
+ wpa_msg(wpa_s, MSG_INFO, WPS_EVENT_AP_AVAILABLE);
+ wpabuf_free(ie);
+ break;
+ }
+}
+
+
+int wpas_wps_searching(struct wpa_supplicant *wpa_s)
+{
+ struct wpa_ssid *ssid;
+
+ for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
+ if ((ssid->key_mgmt & WPA_KEY_MGMT_WPS) && !ssid->disabled)
+ return 1;
+ }
+
+ return 0;
+}
+
+
+int wpas_wps_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
+ char *end)
+{
+ struct wpabuf *wps_ie;
+ int ret;
+
+ wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len, WPS_DEV_OUI_WFA);
+ if (wps_ie == NULL)
+ return 0;
+
+ ret = wps_attr_text(wps_ie, buf, end);
+ wpabuf_free(wps_ie);
+ return ret;
+}
+
+
+int wpas_wps_er_start(struct wpa_supplicant *wpa_s)
+{
+#ifdef CONFIG_WPS_ER
+ if (wpa_s->wps_er) {
+ /* TODO: re-send ctrl_iface events for current data? */
+ return 0;
+ }
+ wpa_s->wps_er = wps_er_init(wpa_s->wps, wpa_s->ifname);
+ if (wpa_s->wps_er == NULL)
+ return -1;
+ return 0;
+#else /* CONFIG_WPS_ER */
+ return 0;
+#endif /* CONFIG_WPS_ER */
+}
+
+
+int wpas_wps_er_stop(struct wpa_supplicant *wpa_s)
+{
+#ifdef CONFIG_WPS_ER
+ wps_er_deinit(wpa_s->wps_er);
+ wpa_s->wps_er = NULL;
+#endif /* CONFIG_WPS_ER */
+ return 0;
+}
+
+
+#ifdef CONFIG_WPS_ER
+int wpas_wps_er_add_pin(struct wpa_supplicant *wpa_s, const char *uuid,
+ const char *pin)
+{
+ u8 u[UUID_LEN];
+ int any = 0;
+
+ if (os_strcmp(uuid, "any") == 0)
+ any = 1;
+ else if (uuid_str2bin(uuid, u))
+ return -1;
+ return wps_registrar_add_pin(wpa_s->wps->registrar, any ? NULL : u,
+ (const u8 *) pin, os_strlen(pin), 300);
}
+#endif /* CONFIG_WPS_ER */
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