-#else /* HOSTAPD */
-
-struct wpa_driver_hostap_data {
- void *wext; /* private data for driver_wext */
- void *ctx;
- char ifname[IFNAMSIZ + 1];
- int sock;
- int current_mode; /* infra/adhoc */
-};
-
-
-static int wpa_driver_hostap_set_auth_alg(void *priv, int auth_alg);
-
-
-static int hostapd_ioctl(struct wpa_driver_hostap_data *drv,
- struct prism2_hostapd_param *param,
- int len, int show_err)
-{
- struct iwreq iwr;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- iwr.u.data.pointer = (caddr_t) param;
- iwr.u.data.length = len;
-
- if (ioctl(drv->sock, PRISM2_IOCTL_HOSTAPD, &iwr) < 0) {
- int ret = errno;
- if (show_err)
- perror("ioctl[PRISM2_IOCTL_HOSTAPD]");
- return ret;
- }
-
- return 0;
-}
-
-
-static int wpa_driver_hostap_set_wpa_ie(struct wpa_driver_hostap_data *drv,
- const u8 *wpa_ie, size_t wpa_ie_len)
-{
- struct prism2_hostapd_param *param;
- int res;
- size_t blen = PRISM2_HOSTAPD_GENERIC_ELEMENT_HDR_LEN + wpa_ie_len;
- if (blen < sizeof(*param))
- blen = sizeof(*param);
-
- param = os_zalloc(blen);
- if (param == NULL)
- return -1;
-
- param->cmd = PRISM2_HOSTAPD_SET_GENERIC_ELEMENT;
- param->u.generic_elem.len = wpa_ie_len;
- os_memcpy(param->u.generic_elem.data, wpa_ie, wpa_ie_len);
- res = hostapd_ioctl(drv, param, blen, 1);
-
- os_free(param);
-
- return res;
-}
-
-
-static int prism2param(struct wpa_driver_hostap_data *drv, int param,
- int value)
-{
- struct iwreq iwr;
- int *i, ret = 0;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- i = (int *) iwr.u.name;
- *i++ = param;
- *i++ = value;
-
- if (ioctl(drv->sock, PRISM2_IOCTL_PRISM2_PARAM, &iwr) < 0) {
- perror("ioctl[PRISM2_IOCTL_PRISM2_PARAM]");
- ret = -1;
- }
- return ret;
-}
-
-
-static int wpa_driver_hostap_set_wpa(void *priv, int enabled)
-{
- struct wpa_driver_hostap_data *drv = priv;
- int ret = 0;
-
- wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
-
- if (!enabled && wpa_driver_hostap_set_wpa_ie(drv, NULL, 0) < 0)
- ret = -1;
- if (prism2param(drv, PRISM2_PARAM_HOST_ROAMING, enabled ? 2 : 0) < 0)
- ret = -1;
- if (prism2param(drv, PRISM2_PARAM_WPA, enabled) < 0)
- ret = -1;
-
- return ret;
-}
-
-
-static void show_set_key_error(struct prism2_hostapd_param *param)
-{
- switch (param->u.crypt.err) {
- case HOSTAP_CRYPT_ERR_UNKNOWN_ALG:
- wpa_printf(MSG_INFO, "Unknown algorithm '%s'.",
- param->u.crypt.alg);
- wpa_printf(MSG_INFO, "You may need to load kernel module to "
- "register that algorithm.");
- wpa_printf(MSG_INFO, "E.g., 'modprobe hostap_crypt_wep' for "
- "WEP.");
- break;
- case HOSTAP_CRYPT_ERR_UNKNOWN_ADDR:
- wpa_printf(MSG_INFO, "Unknown address " MACSTR ".",
- MAC2STR(param->sta_addr));
- break;
- case HOSTAP_CRYPT_ERR_CRYPT_INIT_FAILED:
- wpa_printf(MSG_INFO, "Crypt algorithm initialization failed.");
- break;
- case HOSTAP_CRYPT_ERR_KEY_SET_FAILED:
- wpa_printf(MSG_INFO, "Key setting failed.");
- break;
- case HOSTAP_CRYPT_ERR_TX_KEY_SET_FAILED:
- wpa_printf(MSG_INFO, "TX key index setting failed.");
- break;
- case HOSTAP_CRYPT_ERR_CARD_CONF_FAILED:
- wpa_printf(MSG_INFO, "Card configuration failed.");
- break;
- }
-}
-
-
-static int wpa_driver_hostap_set_key(const char *ifname, void *priv,
- enum wpa_alg alg, const u8 *addr,
- int key_idx, int set_tx,
- const u8 *seq, size_t seq_len,
- const u8 *key, size_t key_len)
-{
- struct wpa_driver_hostap_data *drv = priv;
- struct prism2_hostapd_param *param;
- u8 *buf;
- size_t blen;
- int ret = 0;
- char *alg_name;
-
- switch (alg) {
- case WPA_ALG_NONE:
- alg_name = "none";
- break;
- case WPA_ALG_WEP:
- alg_name = "WEP";
- break;
- case WPA_ALG_TKIP:
- alg_name = "TKIP";
- break;
- case WPA_ALG_CCMP:
- alg_name = "CCMP";
- break;
- default:
- return -1;
- }
-
- wpa_printf(MSG_DEBUG, "%s: alg=%s key_idx=%d set_tx=%d seq_len=%lu "
- "key_len=%lu", __FUNCTION__, alg_name, key_idx, set_tx,
- (unsigned long) seq_len, (unsigned long) key_len);
-
- if (seq_len > 8)
- return -2;
-
- blen = sizeof(*param) + key_len;
- buf = os_zalloc(blen);
- if (buf == NULL)
- return -1;
-
- param = (struct prism2_hostapd_param *) buf;
- param->cmd = PRISM2_SET_ENCRYPTION;
- /* TODO: In theory, STA in client mode can use five keys; four default
- * keys for receiving (with keyidx 0..3) and one individual key for
- * both transmitting and receiving (keyidx 0) _unicast_ packets. Now,
- * keyidx 0 is reserved for this unicast use and default keys can only
- * use keyidx 1..3 (i.e., default key with keyidx 0 is not supported).
- * This should be fine for more or less all cases, but for completeness
- * sake, the driver could be enhanced to support the missing key. */
-#if 0
- if (addr == NULL)
- os_memset(param->sta_addr, 0xff, ETH_ALEN);
- else
- os_memcpy(param->sta_addr, addr, ETH_ALEN);
-#else
- os_memset(param->sta_addr, 0xff, ETH_ALEN);
-#endif
- os_strlcpy((char *) param->u.crypt.alg, alg_name,
- HOSTAP_CRYPT_ALG_NAME_LEN);
- param->u.crypt.flags = set_tx ? HOSTAP_CRYPT_FLAG_SET_TX_KEY : 0;
- param->u.crypt.idx = key_idx;
- os_memcpy(param->u.crypt.seq, seq, seq_len);
- param->u.crypt.key_len = key_len;
- os_memcpy((u8 *) (param + 1), key, key_len);
-
- if (hostapd_ioctl(drv, param, blen, 1)) {
- wpa_printf(MSG_WARNING, "Failed to set encryption.");
- show_set_key_error(param);
- ret = -1;
- }
- os_free(buf);
-
- return ret;
-}
-
-
-static int wpa_driver_hostap_set_countermeasures(void *priv, int enabled)
-{
- struct wpa_driver_hostap_data *drv = priv;
- wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
- return prism2param(drv, PRISM2_PARAM_TKIP_COUNTERMEASURES, enabled);
-}
-
-
-static int wpa_driver_hostap_reset(struct wpa_driver_hostap_data *drv,
- int type)
-{
- struct iwreq iwr;
- int *i, ret = 0;
-
- wpa_printf(MSG_DEBUG, "%s: type=%d", __FUNCTION__, type);
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- i = (int *) iwr.u.name;
- *i++ = type;
-
- if (ioctl(drv->sock, PRISM2_IOCTL_RESET, &iwr) < 0) {
- perror("ioctl[PRISM2_IOCTL_RESET]");
- ret = -1;
- }
- return ret;
-}
-
-
-static int wpa_driver_hostap_mlme(struct wpa_driver_hostap_data *drv,
- const u8 *addr, int cmd, int reason_code)
-{
- struct prism2_hostapd_param param;
- int ret;
-
- /* There does not seem to be a better way of deauthenticating or
- * disassociating with Prism2/2.5/3 than sending the management frame
- * and then resetting the Port0 to make sure both the AP and the STA
- * end up in disconnected state. */
- os_memset(¶m, 0, sizeof(param));
- param.cmd = PRISM2_HOSTAPD_MLME;
- os_memcpy(param.sta_addr, addr, ETH_ALEN);
- param.u.mlme.cmd = cmd;
- param.u.mlme.reason_code = reason_code;
- ret = hostapd_ioctl(drv, ¶m, sizeof(param), 1);
- if (ret == 0) {
- os_sleep(0, 100000);
- ret = wpa_driver_hostap_reset(drv, 2);
- }
- return ret;
-}
-
-
-static int wpa_driver_hostap_deauthenticate(void *priv, const u8 *addr,
- int reason_code)
-{
- struct wpa_driver_hostap_data *drv = priv;
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
- return wpa_driver_hostap_mlme(drv, addr, MLME_STA_DEAUTH,
- reason_code);
-}
-
-
-static int wpa_driver_hostap_disassociate(void *priv, const u8 *addr,
- int reason_code)
-{
- struct wpa_driver_hostap_data *drv = priv;
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
- return wpa_driver_hostap_mlme(drv, addr, MLME_STA_DISASSOC,
- reason_code);
-}
-
-
-static int
-wpa_driver_hostap_associate(void *priv,
- struct wpa_driver_associate_params *params)
-{
- struct wpa_driver_hostap_data *drv = priv;
- int ret = 0;
- int allow_unencrypted_eapol;
-
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
-
- if (prism2param(drv, PRISM2_PARAM_DROP_UNENCRYPTED,
- params->drop_unencrypted) < 0)
- ret = -1;
- if (wpa_driver_hostap_set_auth_alg(drv, params->auth_alg) < 0)
- ret = -1;
- if (params->mode != drv->current_mode) {
- /* At the moment, Host AP driver requires host_roaming=2 for
- * infrastructure mode and host_roaming=0 for adhoc. */
- if (prism2param(drv, PRISM2_PARAM_HOST_ROAMING,
- params->mode == IEEE80211_MODE_IBSS ? 0 : 2) <
- 0) {
- wpa_printf(MSG_DEBUG, "%s: failed to set host_roaming",
- __func__);
- }
- drv->current_mode = params->mode;
- }
-
- if (prism2param(drv, PRISM2_PARAM_PRIVACY_INVOKED,
- params->key_mgmt_suite != KEY_MGMT_NONE) < 0)
- ret = -1;
- if (wpa_driver_hostap_set_wpa_ie(drv, params->wpa_ie,
- params->wpa_ie_len) < 0)
- ret = -1;
- if (wpa_driver_wext_set_mode(drv->wext, params->mode) < 0)
- ret = -1;
- if (params->freq &&
- wpa_driver_wext_set_freq(drv->wext, params->freq) < 0)
- ret = -1;
- if (wpa_driver_wext_set_ssid(drv->wext, params->ssid, params->ssid_len)
- < 0)
- ret = -1;
- if (wpa_driver_wext_set_bssid(drv->wext, params->bssid) < 0)
- ret = -1;
-
- /* Allow unencrypted EAPOL messages even if pairwise keys are set when
- * not using WPA. IEEE 802.1X specifies that these frames are not
- * encrypted, but WPA encrypts them when pairwise keys are in use. */
- if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
- params->key_mgmt_suite == KEY_MGMT_PSK)
- allow_unencrypted_eapol = 0;
- else
- allow_unencrypted_eapol = 1;
-
- if (prism2param(drv, PRISM2_PARAM_IEEE_802_1X,
- allow_unencrypted_eapol) < 0) {
- wpa_printf(MSG_DEBUG, "hostap: Failed to configure "
- "ieee_802_1x param");
- /* Ignore this error.. driver_hostap.c can also be used with
- * other drivers that do not support this prism2_param. */
- }
-
- return ret;
-}
-