2 * WPA Supplicant - Basic AP mode support routines
3 * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2009, Atheros Communications
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * Alternatively, this software may be distributed under the terms of BSD
13 * See README and COPYING for more details.
19 #include "../hostapd/hostapd.h"
20 #include "../hostapd/config.h"
22 #include "../hostapd/ieee802_11.h"
23 #endif /* NEED_MLME */
24 #include "eap_common/eap_defs.h"
25 #include "eap_server/eap_methods.h"
26 #include "eap_common/eap_wsc_common.h"
27 #include "config_ssid.h"
28 #include "wpa_supplicant_i.h"
33 int hostapd_for_each_interface(int (*cb)(struct hostapd_iface *iface,
34 void *ctx), void *ctx)
41 int hostapd_ctrl_iface_init(struct hostapd_data *hapd)
47 void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd)
52 struct ap_driver_data {
53 struct hostapd_data *hapd;
57 static void * ap_driver_init(struct hostapd_data *hapd)
59 struct ap_driver_data *drv;
60 struct wpa_supplicant *wpa_s = hapd->iface->owner;
62 drv = os_zalloc(sizeof(struct ap_driver_data));
64 wpa_printf(MSG_ERROR, "Could not allocate memory for AP "
69 os_memcpy(hapd->own_addr, wpa_s->own_addr, ETH_ALEN);
75 static void ap_driver_deinit(void *priv)
77 struct ap_driver_data *drv = priv;
83 static int ap_driver_send_ether(void *priv, const u8 *dst, const u8 *src,
84 u16 proto, const u8 *data, size_t data_len)
86 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
91 static int ap_driver_set_key(const char *iface, void *priv, wpa_alg alg,
92 const u8 *addr, int key_idx, int set_tx,
93 const u8 *seq, size_t seq_len, const u8 *key,
96 struct ap_driver_data *drv = priv;
97 struct wpa_supplicant *wpa_s = drv->hapd->iface->owner;
98 return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
103 static int ap_driver_get_seqnum(const char *iface, void *priv, const u8 *addr,
106 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
111 static int ap_driver_flush(void *priv)
113 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
118 static int ap_driver_read_sta_data(void *priv,
119 struct hostap_sta_driver_data *data,
122 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
127 static int ap_driver_sta_set_flags(void *priv, const u8 *addr, int total_flags,
128 int flags_or, int flags_and)
130 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
135 static int ap_driver_sta_deauth(void *priv, const u8 *addr, int reason)
137 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
142 static int ap_driver_sta_disassoc(void *priv, const u8 *addr, int reason)
144 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
149 static int ap_driver_sta_remove(void *priv, const u8 *addr)
151 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
156 static int ap_driver_send_mgmt_frame(void *priv, const void *data, size_t len,
159 struct ap_driver_data *drv = priv;
160 struct wpa_supplicant *wpa_s = drv->hapd->iface->owner;
161 return wpa_drv_send_mlme(wpa_s, data, len);
165 static int ap_driver_sta_add(const char *ifname, void *priv,
166 struct hostapd_sta_add_params *params)
168 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
173 static int ap_driver_get_inact_sec(void *priv, const u8 *addr)
175 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
180 static int ap_driver_set_freq(void *priv, struct hostapd_freq_params *freq)
182 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
187 static int ap_driver_set_beacon(const char *iface, void *priv,
188 const u8 *head, size_t head_len,
189 const u8 *tail, size_t tail_len,
192 struct ap_driver_data *drv = priv;
193 struct wpa_supplicant *wpa_s = drv->hapd->iface->owner;
194 return wpa_drv_set_beacon(wpa_s, head, head_len, tail, tail_len,
199 static int ap_driver_set_beacon_int(void *priv, int value)
201 struct ap_driver_data *drv = priv;
202 struct wpa_supplicant *wpa_s = drv->hapd->iface->owner;
203 return wpa_drv_set_beacon_int(wpa_s, value);
207 static int ap_driver_set_cts_protect(void *priv, int value)
209 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
214 static int ap_driver_set_preamble(void *priv, int value)
216 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
221 static int ap_driver_set_short_slot_time(void *priv, int value)
223 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
228 static int ap_driver_set_tx_queue_params(void *priv, int queue, int aifs,
229 int cw_min, int cw_max,
232 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
237 static struct hostapd_hw_modes *ap_driver_get_hw_feature_data(void *priv,
241 struct ap_driver_data *drv = priv;
242 struct wpa_supplicant *wpa_s = drv->hapd->iface->owner;
243 return wpa_drv_get_hw_feature_data(wpa_s, num_modes, flags);
247 struct wpa_driver_ops ap_driver_ops =
249 .name = "wpa_supplicant",
250 .hapd_init = ap_driver_init,
251 .hapd_deinit = ap_driver_deinit,
252 .send_ether = ap_driver_send_ether,
253 .hapd_set_key = ap_driver_set_key,
254 .get_seqnum = ap_driver_get_seqnum,
255 .flush = ap_driver_flush,
256 .read_sta_data = ap_driver_read_sta_data,
257 .sta_set_flags = ap_driver_sta_set_flags,
258 .sta_deauth = ap_driver_sta_deauth,
259 .sta_disassoc = ap_driver_sta_disassoc,
260 .sta_remove = ap_driver_sta_remove,
261 .send_mgmt_frame = ap_driver_send_mgmt_frame,
262 .sta_add = ap_driver_sta_add,
263 .get_inact_sec = ap_driver_get_inact_sec,
264 .set_freq = ap_driver_set_freq,
265 .hapd_set_beacon = ap_driver_set_beacon,
266 .hapd_set_beacon_int = ap_driver_set_beacon_int,
267 .set_cts_protect = ap_driver_set_cts_protect,
268 .set_preamble = ap_driver_set_preamble,
269 .set_short_slot_time = ap_driver_set_short_slot_time,
270 .set_tx_queue_params = ap_driver_set_tx_queue_params,
271 .get_hw_feature_data = ap_driver_get_hw_feature_data,
275 extern struct wpa_driver_ops *wpa_drivers[];
277 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
278 struct wpa_ssid *ssid,
279 struct hostapd_config *conf)
281 struct hostapd_bss_config *bss = &conf->bss[0];
284 for (j = 0; wpa_drivers[j]; j++) {
285 if (os_strcmp("wpa_supplicant", wpa_drivers[j]->name) == 0) {
286 conf->driver = wpa_drivers[j];
290 if (conf->driver == NULL) {
291 wpa_printf(MSG_ERROR, "No AP driver ops found");
295 os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
297 if (ssid->frequency == 0) {
298 /* default channel 11 */
299 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
301 } else if (ssid->frequency >= 2412 && ssid->frequency <= 2472) {
302 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
303 conf->channel = (ssid->frequency - 2407) / 5;
304 } else if ((ssid->frequency >= 5180 && ssid->frequency <= 5240) ||
305 (ssid->frequency >= 5745 && ssid->frequency <= 5825)) {
306 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
307 conf->channel = (ssid->frequency - 5000) / 5;
309 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
314 /* TODO: enable HT if driver supports it;
315 * drop to 11b if driver does not support 11g */
317 if (ssid->ssid_len == 0) {
318 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
321 os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
322 bss->ssid.ssid[ssid->ssid_len] = '\0';
323 bss->ssid.ssid_len = ssid->ssid_len;
324 bss->ssid.ssid_set = 1;
326 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
327 bss->wpa = ssid->proto;
328 bss->wpa_key_mgmt = ssid->key_mgmt;
329 bss->wpa_pairwise = ssid->pairwise_cipher;
330 if (ssid->passphrase) {
331 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
332 if (hostapd_setup_wpa_psk(bss))
334 } else if (ssid->psk_set) {
335 os_free(bss->ssid.wpa_psk);
336 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
337 if (bss->ssid.wpa_psk == NULL)
339 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
340 bss->ssid.wpa_psk->group = 1;
347 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
348 struct wpa_ssid *ssid)
350 struct wpa_driver_associate_params params;
351 struct hostapd_iface *hapd_iface;
352 struct hostapd_config *conf;
355 if (ssid->ssid == NULL || ssid->ssid_len == 0) {
356 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
360 wpa_supplicant_ap_deinit(wpa_s);
362 wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
363 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
365 os_memset(¶ms, 0, sizeof(params));
366 params.ssid = ssid->ssid;
367 params.ssid_len = ssid->ssid_len;
368 params.mode = ssid->mode;
369 params.freq = ssid->frequency;
371 if (wpa_drv_associate(wpa_s, ¶ms) < 0) {
372 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
376 wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
377 if (hapd_iface == NULL)
379 hapd_iface->owner = wpa_s;
381 wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
383 wpa_supplicant_ap_deinit(wpa_s);
387 if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
388 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
389 wpa_supplicant_ap_deinit(wpa_s);
393 hapd_iface->num_bss = conf->num_bss;
394 hapd_iface->bss = os_zalloc(conf->num_bss *
395 sizeof(struct hostapd_data *));
396 if (hapd_iface->bss == NULL) {
397 wpa_supplicant_ap_deinit(wpa_s);
401 for (i = 0; i < conf->num_bss; i++) {
403 hostapd_alloc_bss_data(hapd_iface, conf,
405 if (hapd_iface->bss[i] == NULL) {
406 wpa_supplicant_ap_deinit(wpa_s);
411 if (hostapd_setup_interface(wpa_s->ap_iface)) {
412 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
413 wpa_supplicant_ap_deinit(wpa_s);
421 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
423 if (wpa_s->ap_iface == NULL)
426 hostapd_interface_deinit(wpa_s->ap_iface);
427 wpa_s->ap_iface = NULL;
431 void ap_tx_status(void *ctx, const u8 *addr,
432 const u8 *buf, size_t len, int ack)
434 struct wpa_supplicant *wpa_s = ctx;
435 hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
439 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr)
441 struct wpa_supplicant *wpa_s = ctx;
442 ap_rx_from_unknown_sta(wpa_s->ap_iface->bss[0], addr);
447 void ap_mgmt_rx(void *ctx, u8 *buf, size_t len, u16 stype,
448 struct hostapd_frame_info *fi)
450 struct wpa_supplicant *wpa_s = ctx;
451 ieee802_11_mgmt(wpa_s->ap_iface->bss[0], buf, len, stype, fi);
455 void ap_mgmt_tx_cb(void *ctx, u8 *buf, size_t len, u16 stype, int ok)
457 struct wpa_supplicant *wpa_s = ctx;
458 ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
460 #endif /* NEED_MLME */