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,
58 struct wpa_init_params *params)
60 struct ap_driver_data *drv;
61 struct wpa_supplicant *wpa_s = hapd->iface->owner;
63 drv = os_zalloc(sizeof(struct ap_driver_data));
65 wpa_printf(MSG_ERROR, "Could not allocate memory for AP "
70 os_memcpy(hapd->own_addr, wpa_s->own_addr, ETH_ALEN);
76 static void ap_driver_deinit(void *priv)
78 struct ap_driver_data *drv = priv;
84 static int ap_driver_send_ether(void *priv, const u8 *dst, const u8 *src,
85 u16 proto, const u8 *data, size_t data_len)
87 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
92 static int ap_driver_set_key(const char *iface, void *priv, wpa_alg alg,
93 const u8 *addr, int key_idx, int set_tx,
94 const u8 *seq, size_t seq_len, const u8 *key,
97 struct ap_driver_data *drv = priv;
98 struct wpa_supplicant *wpa_s = drv->hapd->iface->owner;
99 return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
104 static int ap_driver_get_seqnum(const char *iface, void *priv, const u8 *addr,
107 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
112 static int ap_driver_flush(void *priv)
114 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
119 static int ap_driver_read_sta_data(void *priv,
120 struct hostap_sta_driver_data *data,
123 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
128 static int ap_driver_sta_set_flags(void *priv, const u8 *addr, int total_flags,
129 int flags_or, int flags_and)
131 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
136 static int ap_driver_sta_deauth(void *priv, const u8 *addr, int reason)
138 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
143 static int ap_driver_sta_disassoc(void *priv, const u8 *addr, int reason)
145 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
150 static int ap_driver_sta_remove(void *priv, const u8 *addr)
152 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
157 static int ap_driver_send_mgmt_frame(void *priv, const void *data, size_t len,
160 struct ap_driver_data *drv = priv;
161 struct wpa_supplicant *wpa_s = drv->hapd->iface->owner;
162 return wpa_drv_send_mlme(wpa_s, data, len);
166 static int ap_driver_sta_add(const char *ifname, void *priv,
167 struct hostapd_sta_add_params *params)
169 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
174 static int ap_driver_get_inact_sec(void *priv, const u8 *addr)
176 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
181 static int ap_driver_set_freq(void *priv, struct hostapd_freq_params *freq)
183 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
188 static int ap_driver_set_beacon(const char *iface, void *priv,
189 const u8 *head, size_t head_len,
190 const u8 *tail, size_t tail_len,
193 struct ap_driver_data *drv = priv;
194 struct wpa_supplicant *wpa_s = drv->hapd->iface->owner;
195 return wpa_drv_set_beacon(wpa_s, head, head_len, tail, tail_len,
200 static int ap_driver_set_beacon_int(void *priv, int value)
202 struct ap_driver_data *drv = priv;
203 struct wpa_supplicant *wpa_s = drv->hapd->iface->owner;
204 return wpa_drv_set_beacon_int(wpa_s, value);
208 static int ap_driver_set_cts_protect(void *priv, int value)
210 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
215 static int ap_driver_set_preamble(void *priv, int value)
217 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
222 static int ap_driver_set_short_slot_time(void *priv, int value)
224 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
229 static int ap_driver_set_tx_queue_params(void *priv, int queue, int aifs,
230 int cw_min, int cw_max,
233 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
238 static struct hostapd_hw_modes *ap_driver_get_hw_feature_data(void *priv,
242 struct ap_driver_data *drv = priv;
243 struct wpa_supplicant *wpa_s = drv->hapd->iface->owner;
244 return wpa_drv_get_hw_feature_data(wpa_s, num_modes, flags);
248 struct wpa_driver_ops ap_driver_ops =
250 .name = "wpa_supplicant",
251 .hapd_init = ap_driver_init,
252 .hapd_deinit = ap_driver_deinit,
253 .send_ether = ap_driver_send_ether,
254 .hapd_set_key = ap_driver_set_key,
255 .get_seqnum = ap_driver_get_seqnum,
256 .flush = ap_driver_flush,
257 .read_sta_data = ap_driver_read_sta_data,
258 .sta_set_flags = ap_driver_sta_set_flags,
259 .sta_deauth = ap_driver_sta_deauth,
260 .sta_disassoc = ap_driver_sta_disassoc,
261 .sta_remove = ap_driver_sta_remove,
262 .send_mgmt_frame = ap_driver_send_mgmt_frame,
263 .sta_add = ap_driver_sta_add,
264 .get_inact_sec = ap_driver_get_inact_sec,
265 .set_freq = ap_driver_set_freq,
266 .hapd_set_beacon = ap_driver_set_beacon,
267 .hapd_set_beacon_int = ap_driver_set_beacon_int,
268 .set_cts_protect = ap_driver_set_cts_protect,
269 .set_preamble = ap_driver_set_preamble,
270 .set_short_slot_time = ap_driver_set_short_slot_time,
271 .set_tx_queue_params = ap_driver_set_tx_queue_params,
272 .get_hw_feature_data = ap_driver_get_hw_feature_data,
276 extern struct wpa_driver_ops *wpa_drivers[];
278 static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
279 struct wpa_ssid *ssid,
280 struct hostapd_config *conf)
282 struct hostapd_bss_config *bss = &conf->bss[0];
285 for (j = 0; wpa_drivers[j]; j++) {
286 if (os_strcmp("wpa_supplicant", wpa_drivers[j]->name) == 0) {
287 conf->driver = wpa_drivers[j];
291 if (conf->driver == NULL) {
292 wpa_printf(MSG_ERROR, "No AP driver ops found");
296 os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
298 if (ssid->frequency == 0) {
299 /* default channel 11 */
300 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
302 } else if (ssid->frequency >= 2412 && ssid->frequency <= 2472) {
303 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
304 conf->channel = (ssid->frequency - 2407) / 5;
305 } else if ((ssid->frequency >= 5180 && ssid->frequency <= 5240) ||
306 (ssid->frequency >= 5745 && ssid->frequency <= 5825)) {
307 conf->hw_mode = HOSTAPD_MODE_IEEE80211A;
308 conf->channel = (ssid->frequency - 5000) / 5;
310 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
315 /* TODO: enable HT if driver supports it;
316 * drop to 11b if driver does not support 11g */
318 if (ssid->ssid_len == 0) {
319 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
322 os_memcpy(bss->ssid.ssid, ssid->ssid, ssid->ssid_len);
323 bss->ssid.ssid[ssid->ssid_len] = '\0';
324 bss->ssid.ssid_len = ssid->ssid_len;
325 bss->ssid.ssid_set = 1;
327 if (wpa_key_mgmt_wpa_psk(ssid->key_mgmt))
328 bss->wpa = ssid->proto;
329 bss->wpa_key_mgmt = ssid->key_mgmt;
330 bss->wpa_pairwise = ssid->pairwise_cipher;
331 if (ssid->passphrase) {
332 bss->ssid.wpa_passphrase = os_strdup(ssid->passphrase);
333 if (hostapd_setup_wpa_psk(bss))
335 } else if (ssid->psk_set) {
336 os_free(bss->ssid.wpa_psk);
337 bss->ssid.wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
338 if (bss->ssid.wpa_psk == NULL)
340 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
341 bss->ssid.wpa_psk->group = 1;
348 int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
349 struct wpa_ssid *ssid)
351 struct wpa_driver_associate_params params;
352 struct hostapd_iface *hapd_iface;
353 struct hostapd_config *conf;
356 if (ssid->ssid == NULL || ssid->ssid_len == 0) {
357 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
361 wpa_supplicant_ap_deinit(wpa_s);
363 wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
364 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
366 os_memset(¶ms, 0, sizeof(params));
367 params.ssid = ssid->ssid;
368 params.ssid_len = ssid->ssid_len;
369 params.mode = ssid->mode;
370 params.freq = ssid->frequency;
372 if (wpa_drv_associate(wpa_s, ¶ms) < 0) {
373 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
377 wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
378 if (hapd_iface == NULL)
380 hapd_iface->owner = wpa_s;
382 wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
384 wpa_supplicant_ap_deinit(wpa_s);
388 if (wpa_supplicant_conf_ap(wpa_s, ssid, conf)) {
389 wpa_printf(MSG_ERROR, "Failed to create AP configuration");
390 wpa_supplicant_ap_deinit(wpa_s);
394 hapd_iface->num_bss = conf->num_bss;
395 hapd_iface->bss = os_zalloc(conf->num_bss *
396 sizeof(struct hostapd_data *));
397 if (hapd_iface->bss == NULL) {
398 wpa_supplicant_ap_deinit(wpa_s);
402 for (i = 0; i < conf->num_bss; i++) {
404 hostapd_alloc_bss_data(hapd_iface, conf,
406 if (hapd_iface->bss[i] == NULL) {
407 wpa_supplicant_ap_deinit(wpa_s);
412 if (hostapd_setup_interface(wpa_s->ap_iface)) {
413 wpa_printf(MSG_ERROR, "Failed to initialize AP interface");
414 wpa_supplicant_ap_deinit(wpa_s);
422 void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
424 if (wpa_s->ap_iface == NULL)
427 hostapd_interface_deinit(wpa_s->ap_iface);
428 wpa_s->ap_iface = NULL;
432 void ap_tx_status(void *ctx, const u8 *addr,
433 const u8 *buf, size_t len, int ack)
435 struct wpa_supplicant *wpa_s = ctx;
436 hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
440 void ap_rx_from_unknown_sta(void *ctx, const u8 *addr)
442 struct wpa_supplicant *wpa_s = ctx;
443 ap_rx_from_unknown_sta(wpa_s->ap_iface->bss[0], addr);
448 void ap_mgmt_rx(void *ctx, u8 *buf, size_t len, u16 stype,
449 struct hostapd_frame_info *fi)
451 struct wpa_supplicant *wpa_s = ctx;
452 ieee802_11_mgmt(wpa_s->ap_iface->bss[0], buf, len, stype, fi);
456 void ap_mgmt_tx_cb(void *ctx, u8 *buf, size_t len, u16 stype, int ok)
458 struct wpa_supplicant *wpa_s = ctx;
459 ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
461 #endif /* NEED_MLME */