]> git.ipfire.org Git - thirdparty/hostap.git/blame - wpa_supplicant/ap.c
Merge hostapd driver init functions into one
[thirdparty/hostap.git] / wpa_supplicant / ap.c
CommitLineData
f1a48710
JM
1/*
2 * WPA Supplicant - Basic AP mode support routines
3 * Copyright (c) 2003-2009, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2009, Atheros Communications
5 *
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.
9 *
10 * Alternatively, this software may be distributed under the terms of BSD
11 * license.
12 *
13 * See README and COPYING for more details.
14 */
15
16#include "includes.h"
17
18#include "common.h"
19#include "../hostapd/hostapd.h"
089757c6 20#include "../hostapd/config.h"
0915d02c
JM
21#ifdef NEED_MLME
22#include "../hostapd/ieee802_11.h"
23#endif /* NEED_MLME */
f1a48710
JM
24#include "eap_common/eap_defs.h"
25#include "eap_server/eap_methods.h"
26#include "eap_common/eap_wsc_common.h"
1f1b62a0
JM
27#include "config_ssid.h"
28#include "wpa_supplicant_i.h"
2d5b792d
JM
29#include "driver_i.h"
30#include "ap.h"
f1a48710
JM
31
32
2d5b792d
JM
33int hostapd_for_each_interface(int (*cb)(struct hostapd_iface *iface,
34 void *ctx), void *ctx)
f1a48710
JM
35{
36 /* TODO */
2d5b792d 37 return 0;
f1a48710
JM
38}
39
40
2d5b792d 41int hostapd_ctrl_iface_init(struct hostapd_data *hapd)
f1a48710 42{
f1a48710
JM
43 return 0;
44}
45
46
2d5b792d 47void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd)
f1a48710 48{
2d5b792d 49}
f1a48710 50
f1a48710 51
2d5b792d
JM
52struct ap_driver_data {
53 struct hostapd_data *hapd;
54};
f1a48710 55
2d5b792d 56
92f475b4
JM
57static void * ap_driver_init(struct hostapd_data *hapd,
58 struct wpa_init_params *params)
2d5b792d
JM
59{
60 struct ap_driver_data *drv;
0892aaaf 61 struct wpa_supplicant *wpa_s = hapd->iface->owner;
2d5b792d
JM
62
63 drv = os_zalloc(sizeof(struct ap_driver_data));
64 if (drv == NULL) {
65 wpa_printf(MSG_ERROR, "Could not allocate memory for AP "
66 "driver data");
67 return NULL;
68 }
69 drv->hapd = hapd;
0892aaaf 70 os_memcpy(hapd->own_addr, wpa_s->own_addr, ETH_ALEN);
2d5b792d
JM
71
72 return drv;
f1a48710
JM
73}
74
75
2d5b792d 76static void ap_driver_deinit(void *priv)
f1a48710 77{
2d5b792d
JM
78 struct ap_driver_data *drv = priv;
79
80 os_free(drv);
f1a48710
JM
81}
82
83
2d5b792d
JM
84static int ap_driver_send_ether(void *priv, const u8 *dst, const u8 *src,
85 u16 proto, const u8 *data, size_t data_len)
f1a48710 86{
0f2b2c19
JM
87 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
88 return -1;
89}
90
91
92static 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,
95 size_t key_len)
96{
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,
100 key, key_len);
101}
102
103
104static int ap_driver_get_seqnum(const char *iface, void *priv, const u8 *addr,
105 int idx, u8 *seq)
106{
107 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
108 return -1;
109}
110
111
112static int ap_driver_flush(void *priv)
113{
114 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
115 return -1;
116}
117
118
119static int ap_driver_read_sta_data(void *priv,
120 struct hostap_sta_driver_data *data,
121 const u8 *addr)
122{
123 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
124 return -1;
125}
126
127
128static int ap_driver_sta_set_flags(void *priv, const u8 *addr, int total_flags,
129 int flags_or, int flags_and)
130{
131 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
132 return -1;
133}
134
135
136static int ap_driver_sta_deauth(void *priv, const u8 *addr, int reason)
137{
138 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
139 return -1;
140}
141
142
143static int ap_driver_sta_disassoc(void *priv, const u8 *addr, int reason)
144{
145 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
146 return -1;
147}
148
149
150static int ap_driver_sta_remove(void *priv, const u8 *addr)
151{
152 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
153 return -1;
154}
155
156
157static int ap_driver_send_mgmt_frame(void *priv, const void *data, size_t len,
158 int flags)
159{
2c2010ac
JM
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);
0f2b2c19
JM
163}
164
165
166static int ap_driver_sta_add(const char *ifname, void *priv,
167 struct hostapd_sta_add_params *params)
168{
169 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
170 return -1;
171}
172
173
174static int ap_driver_get_inact_sec(void *priv, const u8 *addr)
175{
176 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
177 return -1;
178}
179
180
181static int ap_driver_set_freq(void *priv, struct hostapd_freq_params *freq)
182{
183 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
f1a48710
JM
184 return 0;
185}
186
187
0f2b2c19 188static int ap_driver_set_beacon(const char *iface, void *priv,
d2440ba0
JM
189 const u8 *head, size_t head_len,
190 const u8 *tail, size_t tail_len,
191 int dtim_period)
0f2b2c19 192{
d2440ba0
JM
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,
196 dtim_period);
0f2b2c19
JM
197}
198
199
200static int ap_driver_set_beacon_int(void *priv, int value)
201{
d2440ba0
JM
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);
0f2b2c19
JM
205}
206
207
208static int ap_driver_set_cts_protect(void *priv, int value)
209{
210 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
211 return -1;
212}
213
214
215static int ap_driver_set_preamble(void *priv, int value)
216{
217 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
218 return -1;
219}
220
221
222static int ap_driver_set_short_slot_time(void *priv, int value)
223{
224 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
225 return -1;
226}
227
228
229static int ap_driver_set_tx_queue_params(void *priv, int queue, int aifs,
230 int cw_min, int cw_max,
231 int burst_time)
232{
233 wpa_printf(MSG_DEBUG, "AP TODO: %s", __func__);
234 return -1;
235}
236
237
238static struct hostapd_hw_modes *ap_driver_get_hw_feature_data(void *priv,
239 u16 *num_modes,
240 u16 *flags)
241{
282d5590
JM
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);
0f2b2c19
JM
245}
246
247
c5121837 248struct wpa_driver_ops ap_driver_ops =
f1a48710 249{
2d5b792d 250 .name = "wpa_supplicant",
c5121837
JM
251 .hapd_init = ap_driver_init,
252 .hapd_deinit = ap_driver_deinit,
2d5b792d 253 .send_ether = ap_driver_send_ether,
c5121837 254 .hapd_set_key = ap_driver_set_key,
0f2b2c19
JM
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,
c5121837
JM
266 .hapd_set_beacon = ap_driver_set_beacon,
267 .hapd_set_beacon_int = ap_driver_set_beacon_int,
0f2b2c19
JM
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,
c3965310 272 .get_hw_feature_data = ap_driver_get_hw_feature_data,
2d5b792d 273};
f1a48710 274
f1a48710 275
c5121837 276extern struct wpa_driver_ops *wpa_drivers[];
07f117ed
JM
277
278static int wpa_supplicant_conf_ap(struct wpa_supplicant *wpa_s,
279 struct wpa_ssid *ssid,
280 struct hostapd_config *conf)
281{
282 struct hostapd_bss_config *bss = &conf->bss[0];
c5121837
JM
283 int j;
284
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];
288 break;
289 }
290 }
291 if (conf->driver == NULL) {
292 wpa_printf(MSG_ERROR, "No AP driver ops found");
293 return -1;
294 }
07f117ed
JM
295
296 os_strlcpy(bss->iface, wpa_s->ifname, sizeof(bss->iface));
297
298 if (ssid->frequency == 0) {
299 /* default channel 11 */
300 conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
301 conf->channel = 11;
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_IEEE80211G;
308 conf->channel = (ssid->frequency - 5000) / 5;
309 } else {
310 wpa_printf(MSG_ERROR, "Unsupported AP mode frequency: %d MHz",
311 ssid->frequency);
312 return -1;
313 }
314
315 /* TODO: enable HT if driver supports it;
316 * drop to 11b if driver does not support 11g */
317
318 if (ssid->ssid_len == 0) {
319 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
320 return -1;
321 }
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;
326
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))
334 return -1;
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)
339 return -1;
340 os_memcpy(bss->ssid.wpa_psk->psk, ssid->psk, PMK_LEN);
341 bss->ssid.wpa_psk->group = 1;
342 }
343
344 return 0;
345}
346
347
2d5b792d
JM
348int wpa_supplicant_create_ap(struct wpa_supplicant *wpa_s,
349 struct wpa_ssid *ssid)
350{
351 struct wpa_driver_associate_params params;
352 struct hostapd_iface *hapd_iface;
353 struct hostapd_config *conf;
354 size_t i;
f1a48710 355
2d5b792d
JM
356 if (ssid->ssid == NULL || ssid->ssid_len == 0) {
357 wpa_printf(MSG_ERROR, "No SSID configured for AP mode");
358 return -1;
f1a48710
JM
359 }
360
2d5b792d 361 wpa_supplicant_ap_deinit(wpa_s);
d2440ba0
JM
362
363 wpa_printf(MSG_DEBUG, "Setting up AP (SSID='%s')",
364 wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
365
366 os_memset(&params, 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;
371
372 if (wpa_drv_associate(wpa_s, &params) < 0) {
373 wpa_msg(wpa_s, MSG_INFO, "Failed to start AP functionality");
374 return -1;
375 }
376
2d5b792d
JM
377 wpa_s->ap_iface = hapd_iface = os_zalloc(sizeof(*wpa_s->ap_iface));
378 if (hapd_iface == NULL)
379 return -1;
0f2b2c19 380 hapd_iface->owner = wpa_s;
1f1b62a0 381
2d5b792d
JM
382 wpa_s->ap_iface->conf = conf = hostapd_config_defaults();
383 if (conf == NULL) {
384 wpa_supplicant_ap_deinit(wpa_s);
385 return -1;
386 }
1f1b62a0 387
07f117ed
JM
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);
391 return -1;
392 }
393
2d5b792d
JM
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);
399 return -1;
400 }
1f1b62a0 401
2d5b792d
JM
402 for (i = 0; i < conf->num_bss; i++) {
403 hapd_iface->bss[i] =
404 hostapd_alloc_bss_data(hapd_iface, conf,
405 &conf->bss[i]);
406 if (hapd_iface->bss[i] == NULL) {
407 wpa_supplicant_ap_deinit(wpa_s);
408 return -1;
409 }
410 }
411
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);
415 return -1;
1f1b62a0
JM
416 }
417
2d5b792d
JM
418 return 0;
419}
420
421
422void wpa_supplicant_ap_deinit(struct wpa_supplicant *wpa_s)
423{
424 if (wpa_s->ap_iface == NULL)
425 return;
426
427 hostapd_interface_deinit(wpa_s->ap_iface);
428 wpa_s->ap_iface = NULL;
1f1b62a0 429}
0915d02c
JM
430
431
432void ap_tx_status(void *ctx, const u8 *addr,
433 const u8 *buf, size_t len, int ack)
434{
435 struct wpa_supplicant *wpa_s = ctx;
436 hostapd_tx_status(wpa_s->ap_iface->bss[0], addr, buf, len, ack);
437}
438
439
440void ap_rx_from_unknown_sta(void *ctx, const u8 *addr)
441{
442 struct wpa_supplicant *wpa_s = ctx;
443 ap_rx_from_unknown_sta(wpa_s->ap_iface->bss[0], addr);
444}
445
446
447#ifdef NEED_MLME
448void ap_mgmt_rx(void *ctx, u8 *buf, size_t len, u16 stype,
449 struct hostapd_frame_info *fi)
450{
451 struct wpa_supplicant *wpa_s = ctx;
452 ieee802_11_mgmt(wpa_s->ap_iface->bss[0], buf, len, stype, fi);
453}
454
455
456void ap_mgmt_tx_cb(void *ctx, u8 *buf, size_t len, u16 stype, int ok)
457{
458 struct wpa_supplicant *wpa_s = ctx;
459 ieee802_11_mgmt_cb(wpa_s->ap_iface->bss[0], buf, len, stype, ok);
460}
461#endif /* NEED_MLME */