#include "includes.h"
-#include "hostapd.h"
-#include "driver_i.h"
+#include "common.h"
#include "eloop.h"
#include "uuid.h"
-#include "wpa_ctrl.h"
-#include "ieee802_11_defs.h"
+#include "crypto/dh_groups.h"
+#include "common/wpa_ctrl.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+#include "eapol_auth/eapol_auth_sm.h"
+#include "eapol_auth/eapol_auth_sm_i.h"
#include "wps/wps.h"
#include "wps/wps_defs.h"
#include "wps/wps_dev_attr.h"
+#include "hostapd.h"
+#include "driver_i.h"
+#include "sta_info.h"
#include "wps_hostapd.h"
+#ifdef CONFIG_WPS_UPNP
+#include "wps/wps_upnp.h"
+static int hostapd_wps_upnp_init(struct hostapd_data *hapd,
+ struct wps_context *wps);
+static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd);
+#endif /* CONFIG_WPS_UPNP */
+
+static void hostapd_wps_probe_req_rx(void *ctx, const u8 *addr,
+ const u8 *ie, size_t ie_len);
+
+
static int hostapd_wps_new_psk_cb(void *ctx, const u8 *mac_addr, const u8 *psk,
size_t psk_len)
{
struct hostapd_data *hapd = ctx;
char uuid[40], txt[400];
int len;
+ char devtype[WPS_DEV_TYPE_BUFSIZE];
if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
return;
wpa_printf(MSG_DEBUG, "WPS: PIN needed for E-UUID %s", uuid);
len = os_snprintf(txt, sizeof(txt), WPS_EVENT_PIN_NEEDED
- "%s " MACSTR " [%s|%s|%s|%s|%s|%d-%08X-%d]",
+ "%s " MACSTR " [%s|%s|%s|%s|%s|%s]",
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);
+ wps_dev_type_bin2str(dev->pri_dev_type, devtype,
+ sizeof(devtype)));
if (len > 0 && len < (int) sizeof(txt))
- wpa_msg(hapd, MSG_INFO, "%s", txt);
+ wpa_msg(hapd->msg_ctx, MSG_INFO, "%s", txt);
if (hapd->conf->wps_pin_requests) {
FILE *f;
return;
os_get_time(&t);
fprintf(f, "%ld\t%s\t" MACSTR "\t%s\t%s\t%s\t%s\t%s"
- "\t%d-%08X-%d\n",
+ "\t%s\n",
t.sec, 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);
+ wps_dev_type_bin2str(dev->pri_dev_type, devtype,
+ sizeof(devtype)));
fclose(f);
}
}
char uuid[40];
if (uuid_bin2str(uuid_e, uuid, sizeof(uuid)))
return;
- wpa_msg(hapd, MSG_INFO, WPS_EVENT_REG_SUCCESS MACSTR " %s",
+ wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_REG_SUCCESS MACSTR " %s",
MAC2STR(mac_addr), uuid);
}
if ((hapd->conf->wps_cred_processing == 1 ||
hapd->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,
+ char *_buf = os_malloc(blen);
+ if (_buf) {
+ wpa_snprintf_hex(_buf, blen,
cred->cred_attr, cred->cred_attr_len);
- wpa_msg(hapd, MSG_INFO, "%s%s",
- WPS_EVENT_NEW_AP_SETTINGS, buf);
- os_free(buf);
+ wpa_msg(hapd->msg_ctx, MSG_INFO, "%s%s",
+ WPS_EVENT_NEW_AP_SETTINGS, _buf);
+ os_free(_buf);
}
} else
- wpa_msg(hapd, MSG_INFO, WPS_EVENT_NEW_AP_SETTINGS);
+ wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_NEW_AP_SETTINGS);
if (hapd->conf->wps_cred_processing == 1)
return 0;
+ os_memcpy(hapd->wps->ssid, cred->ssid, cred->ssid_len);
+ hapd->wps->ssid_len = cred->ssid_len;
+ hapd->wps->encr_types = cred->encr_type;
+ hapd->wps->auth_types = cred->auth_type;
+ if (cred->key_len == 0) {
+ os_free(hapd->wps->network_key);
+ hapd->wps->network_key = NULL;
+ hapd->wps->network_key_len = 0;
+ } else {
+ if (hapd->wps->network_key == NULL ||
+ hapd->wps->network_key_len < cred->key_len) {
+ hapd->wps->network_key_len = 0;
+ os_free(hapd->wps->network_key);
+ hapd->wps->network_key = os_malloc(cred->key_len);
+ if (hapd->wps->network_key == NULL)
+ return -1;
+ }
+ hapd->wps->network_key_len = cred->key_len;
+ os_memcpy(hapd->wps->network_key, cred->key, cred->key_len);
+ }
+ hapd->wps->wps_state = WPS_STATE_CONFIGURED;
+
len = os_strlen(hapd->iface->config_fname) + 5;
tmp_fname = os_malloc(len);
if (tmp_fname == NULL)
else
fprintf(nconf, "auth_algs=1\n");
- if (cred->encr_type & WPS_ENCR_WEP && cred->key_idx < 4) {
- fprintf(nconf, "wep_default_key=%d\n", cred->key_idx);
- fprintf(nconf, "wep_key%d=", cred->key_idx);
- if (cred->key_len != 10 && cred->key_len != 26)
- fputc('"', nconf);
- for (i = 0; i < cred->key_len; i++)
- fputc(cred->key[i], nconf);
- if (cred->key_len != 10 && cred->key_len != 26)
- fputc('"', nconf);
+ if (cred->encr_type & WPS_ENCR_WEP && cred->key_idx <= 4) {
+ int key_idx = cred->key_idx;
+ if (key_idx)
+ key_idx--;
+ fprintf(nconf, "wep_default_key=%d\n", key_idx);
+ fprintf(nconf, "wep_key%d=", key_idx);
+ if (cred->key_len == 10 || cred->key_len == 26) {
+ /* WEP key as a hex string */
+ for (i = 0; i < cred->key_len; i++)
+ fputc(cred->key[i], nconf);
+ } else {
+ /* Raw WEP key; convert to hex */
+ for (i = 0; i < cred->key_len; i++)
+ fprintf(nconf, "%02x", cred->key[i]);
+ }
fprintf(nconf, "\n");
}
}
}
+static void hostapd_pwd_auth_fail(struct hostapd_data *hapd,
+ struct wps_event_pwd_auth_fail *data)
+{
+ FILE *f;
+
+ if (!data->enrollee)
+ return;
+
+ /*
+ * Registrar failed to prove its knowledge of the AP PIN. Lock AP setup
+ * if this happens multiple times.
+ */
+ hapd->ap_pin_failures++;
+ if (hapd->ap_pin_failures < 4)
+ return;
+
+ wpa_msg(hapd->msg_ctx, MSG_INFO, WPS_EVENT_AP_SETUP_LOCKED);
+ hapd->wps->ap_setup_locked = 1;
+
+ wps_registrar_update_ie(hapd->wps->registrar);
+
+ if (hapd->conf->wps_cred_processing == 1)
+ return;
+
+ f = fopen(hapd->iface->config_fname, "a");
+ if (f == NULL) {
+ wpa_printf(MSG_WARNING, "WPS: Could not append to the current "
+ "configuration file");
+ return;
+ }
+
+ fprintf(f, "# WPS AP Setup Locked based on possible attack\n");
+ fprintf(f, "ap_setup_locked=1\n");
+ fclose(f);
+
+ /* TODO: dualband AP may need to update multiple configuration files */
+
+ wpa_printf(MSG_DEBUG, "WPS: AP configuration updated");
+}
+
+
+static void hostapd_wps_event_cb(void *ctx, enum wps_event event,
+ union wps_event_data *data)
+{
+ struct hostapd_data *hapd = ctx;
+
+ if (event == WPS_EV_PWD_AUTH_FAIL)
+ hostapd_pwd_auth_fail(hapd, &data->pwd_auth_fail);
+}
+
+
static void hostapd_wps_clear_ies(struct hostapd_data *hapd)
{
os_free(hapd->wps_beacon_ie);
return -1;
wps->cred_cb = hostapd_wps_cred_cb;
+ wps->event_cb = hostapd_wps_event_cb;
wps->cb_ctx = hapd;
os_memset(&cfg, 0, sizeof(cfg));
if (os_strstr(m, "keypad"))
wps->config_methods |= WPS_CONFIG_KEYPAD;
}
- if (hapd->conf->device_type) {
- char *pos;
- u8 oui[4];
- /* <categ>-<OUI>-<subcateg> */
- wps->dev.categ = atoi(hapd->conf->device_type);
- pos = os_strchr(hapd->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);
+ if (hapd->conf->device_type &&
+ wps_dev_type_str2bin(hapd->conf->device_type,
+ wps->dev.pri_dev_type) < 0) {
+ wpa_printf(MSG_ERROR, "WPS: Invalid device_type");
+ os_free(wps);
+ return -1;
}
wps->dev.os_version = WPA_GET_BE32(hapd->conf->os_version);
wps->dev.rf_bands = hapd->iconf->hw_mode == HOSTAPD_MODE_IEEE80211A ?
wps->encr_types = WPS_ENCR_AES | WPS_ENCR_TKIP;
}
+ wps->ap_settings = conf->ap_settings;
+ wps->ap_settings_len = conf->ap_settings_len;
+
cfg.new_psk_cb = hostapd_wps_new_psk_cb;
cfg.set_ie_cb = hostapd_wps_set_ie_cb;
cfg.pin_needed_cb = hostapd_wps_pin_needed_cb;
cfg.extra_cred_len = conf->extra_cred_len;
cfg.disable_auto_conf = (hapd->conf->wps_cred_processing == 1) &&
conf->skip_cred_build;
+ if (conf->ssid.security_policy == SECURITY_STATIC_WEP)
+ cfg.static_wep_only = 1;
wps->registrar = wps_registrar_init(wps, &cfg);
if (wps->registrar == NULL) {
return -1;
}
+#ifdef CONFIG_WPS_UPNP
+ wps->friendly_name = hapd->conf->friendly_name;
+ wps->manufacturer_url = hapd->conf->manufacturer_url;
+ wps->model_description = hapd->conf->model_description;
+ wps->model_url = hapd->conf->model_url;
+ wps->upc = hapd->conf->upc;
+
+ if (hostapd_wps_upnp_init(hapd, wps) < 0) {
+ wpa_printf(MSG_ERROR, "Failed to initialize WPS UPnP");
+ wps_registrar_deinit(wps->registrar);
+ os_free(wps->network_key);
+ os_free(wps);
+ return -1;
+ }
+#endif /* CONFIG_WPS_UPNP */
+
+ hostapd_register_probereq_cb(hapd, hostapd_wps_probe_req_rx, hapd);
+
hapd->wps = wps;
return 0;
{
if (hapd->wps == NULL)
return;
+#ifdef CONFIG_WPS_UPNP
+ hostapd_wps_upnp_deinit(hapd);
+#endif /* CONFIG_WPS_UPNP */
wps_registrar_deinit(hapd->wps->registrar);
os_free(hapd->wps->network_key);
wps_device_data_free(&hapd->wps->dev);
+ wpabuf_free(hapd->wps->dh_pubkey);
+ wpabuf_free(hapd->wps->dh_privkey);
+ wpabuf_free(hapd->wps->oob_conf.pubkey_hash);
+ wpabuf_free(hapd->wps->oob_conf.dev_password);
+ wps_free_pending_msgs(hapd->wps->upnp_msgs);
os_free(hapd->wps);
hapd->wps = NULL;
hostapd_wps_clear_ies(hapd);
int hostapd_wps_add_pin(struct hostapd_data *hapd, const char *uuid,
- const char *pin)
+ const char *pin, int timeout)
{
u8 u[UUID_LEN];
int any = 0;
else if (uuid_str2bin(uuid, u))
return -1;
return wps_registrar_add_pin(hapd->wps->registrar, any ? NULL : u,
- (const u8 *) pin, os_strlen(pin));
+ (const u8 *) pin, os_strlen(pin),
+ timeout);
}
}
-void hostapd_wps_probe_req_rx(struct hostapd_data *hapd, const u8 *addr,
- const u8 *ie, size_t ie_len)
+#ifdef CONFIG_WPS_OOB
+int hostapd_wps_start_oob(struct hostapd_data *hapd, char *device_type,
+ char *path, char *method, char *name)
{
+ struct wps_context *wps = hapd->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_R) {
+ /*
+ * 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 = dh_init(dh_groups_get(WPS_DH_GROUP),
+ &wps->dh_privkey);
+ wps->dh_pubkey = wpabuf_zeropad(wps->dh_pubkey, 192);
+ if (wps->dh_pubkey == NULL) {
+ wpa_printf(MSG_ERROR, "WPS: Failed to initialize "
+ "Diffie-Hellman handshake");
+ return -1;
+ }
+ }
+
+ if (wps_process_oob(wps, oob_dev, 1) < 0)
+ goto error;
+
+ if ((wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_E ||
+ wps->oob_conf.oob_method == OOB_METHOD_DEV_PWD_R) &&
+ hostapd_wps_add_pin(hapd, "any",
+ wpabuf_head(wps->oob_conf.dev_password), 0) <
+ 0)
+ goto error;
+
+ return 0;
+
+error:
+ wpabuf_free(wps->dh_pubkey);
+ wps->dh_pubkey = NULL;
+ wpabuf_free(wps->dh_privkey);
+ wps->dh_privkey = NULL;
+ return -1;
+}
+#endif /* CONFIG_WPS_OOB */
+
+
+static void hostapd_wps_probe_req_rx(void *ctx, const u8 *addr,
+ const u8 *ie, size_t ie_len)
+{
+ struct hostapd_data *hapd = ctx;
struct wpabuf *wps_ie;
- const u8 *end, *pos, *wps;
if (hapd->wps == NULL)
return;
- pos = ie;
- end = ie + ie_len;
- wps = NULL;
+ wps_ie = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA);
+ if (wps_ie == NULL)
+ return;
- while (pos + 1 < end) {
- if (pos + 2 + pos[1] > end)
- return;
- if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
- WPA_GET_BE32(&pos[2]) == WPS_DEV_OUI_WFA) {
- wps = pos;
- break;
+ if (wpabuf_len(wps_ie) > 0) {
+ wps_registrar_probe_req_rx(hapd->wps->registrar, addr, wps_ie);
+#ifdef CONFIG_WPS_UPNP
+ /* FIX: what exactly should be included in the WLANEvent?
+ * WPS attributes? Full ProbeReq frame? */
+ upnp_wps_device_send_wlan_event(hapd->wps_upnp, addr,
+ UPNP_WPS_WLANEVENT_TYPE_PROBE,
+ wps_ie);
+#endif /* CONFIG_WPS_UPNP */
+ }
+
+ wpabuf_free(wps_ie);
+}
+
+
+#ifdef CONFIG_WPS_UPNP
+
+static int hostapd_rx_req_put_wlan_response(
+ void *priv, enum upnp_wps_wlanevent_type ev_type,
+ const u8 *mac_addr, const struct wpabuf *msg,
+ enum wps_msg_type msg_type)
+{
+ struct hostapd_data *hapd = priv;
+ struct sta_info *sta;
+ struct upnp_pending_message *p;
+
+ wpa_printf(MSG_DEBUG, "WPS UPnP: PutWLANResponse ev_type=%d mac_addr="
+ MACSTR, ev_type, MAC2STR(mac_addr));
+ wpa_hexdump(MSG_MSGDUMP, "WPS UPnP: PutWLANResponse NewMessage",
+ wpabuf_head(msg), wpabuf_len(msg));
+ if (ev_type != UPNP_WPS_WLANEVENT_TYPE_EAP) {
+ wpa_printf(MSG_DEBUG, "WPS UPnP: Ignored unexpected "
+ "PutWLANResponse WLANEventType %d", ev_type);
+ return -1;
+ }
+
+ /*
+ * EAP response to ongoing to WPS Registration. Send it to EAP-WSC
+ * server implementation for delivery to the peer.
+ */
+
+ sta = ap_get_sta(hapd, mac_addr);
+ if (!sta) {
+ /*
+ * Workaround - Intel wsccmd uses bogus NewWLANEventMAC:
+ * Pick STA that is in an ongoing WPS registration without
+ * checking the MAC address.
+ */
+ wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found based "
+ "on NewWLANEventMAC; try wildcard match");
+ for (sta = hapd->sta_list; sta; sta = sta->next) {
+ if (sta->eapol_sm && (sta->flags & WLAN_STA_WPS))
+ break;
}
- pos += 2 + pos[1];
}
- if (wps == NULL)
- return; /* No WPS IE in Probe Request */
+ if (!sta) {
+ wpa_printf(MSG_DEBUG, "WPS UPnP: No matching STA found");
+ return 0;
+ }
- wps_ie = wpabuf_alloc(ie_len);
- if (wps_ie == NULL)
- return;
+ p = os_zalloc(sizeof(*p));
+ if (p == NULL)
+ return -1;
+ os_memcpy(p->addr, sta->addr, ETH_ALEN);
+ p->msg = wpabuf_dup(msg);
+ p->type = msg_type;
+ p->next = hapd->wps->upnp_msgs;
+ hapd->wps->upnp_msgs = p;
+
+ return eapol_auth_eap_pending_cb(sta->eapol_sm, sta->eapol_sm->eap);
+}
+
+
+static int hostapd_wps_upnp_init(struct hostapd_data *hapd,
+ struct wps_context *wps)
+{
+ struct upnp_wps_device_ctx *ctx;
+
+ if (!hapd->conf->upnp_iface)
+ return 0;
+ ctx = os_zalloc(sizeof(*ctx));
+ if (ctx == NULL)
+ return -1;
+
+ ctx->rx_req_put_wlan_response = hostapd_rx_req_put_wlan_response;
+ if (hapd->conf->ap_pin)
+ ctx->ap_pin = os_strdup(hapd->conf->ap_pin);
- /* There may be multiple WPS IEs in the message, so need to concatenate
- * their WPS Data fields */
- while (pos + 1 < end) {
- if (pos + 2 + pos[1] > end)
- break;
- if (pos[0] == WLAN_EID_VENDOR_SPECIFIC && pos[1] >= 4 &&
- WPA_GET_BE32(&pos[2]) == WPS_DEV_OUI_WFA)
- wpabuf_put_data(wps_ie, pos + 6, pos[1] - 4);
- pos += 2 + pos[1];
+ hapd->wps_upnp = upnp_wps_device_init(ctx, wps, hapd);
+ if (hapd->wps_upnp == NULL) {
+ os_free(ctx);
+ return -1;
}
+ wps->wps_upnp = hapd->wps_upnp;
- if (wpabuf_len(wps_ie) > 0)
- wps_registrar_probe_req_rx(hapd->wps->registrar, addr, wps_ie);
+ if (upnp_wps_device_start(hapd->wps_upnp, hapd->conf->upnp_iface)) {
+ upnp_wps_device_deinit(hapd->wps_upnp);
+ hapd->wps_upnp = NULL;
+ return -1;
+ }
- wpabuf_free(wps_ie);
+ return 0;
+}
+
+
+static void hostapd_wps_upnp_deinit(struct hostapd_data *hapd)
+{
+ upnp_wps_device_deinit(hapd->wps_upnp);
+}
+
+#endif /* CONFIG_WPS_UPNP */
+
+
+int hostapd_wps_get_mib_sta(struct hostapd_data *hapd, const u8 *addr,
+ char *buf, size_t buflen)
+{
+ return wps_registrar_get_info(hapd->wps->registrar, addr, buf, buflen);
}