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Added WirelessManager, a port of wpa_supplicant.
[AROS.git] / workbench / network / WirelessManager / src / drivers / driver_atheros.c
blob5c25f00b16431f5b8bcfe208611bc4de0e18edc0
1 /*
2 * hostapd / Driver interaction with Atheros driver
3 * Copyright (c) 2004, Sam Leffler <sam@errno.com>
4 * Copyright (c) 2004, Video54 Technologies
5 * Copyright (c) 2005-2007, Jouni Malinen <j@w1.fi>
6 * Copyright (c) 2009, Atheros Communications
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 * Alternatively, this software may be distributed under the terms of BSD
13 * license.
14 *
15 * See README and COPYING for more details.
16 */
17
18 #include "includes.h"
19 #include <net/if.h>
20 #include <sys/ioctl.h>
21
22 #include "common.h"
23 #ifndef _BYTE_ORDER
24 #ifdef WORDS_BIGENDIAN
25 #define _BYTE_ORDER _BIG_ENDIAN
26 #else
27 #define _BYTE_ORDER _LITTLE_ENDIAN
28 #endif
29 #endif /* _BYTE_ORDER */
30
31 /*
32 * Note, the ATH_WPS_IE setting must match with the driver build.. If the
33 * driver does not include this, the IEEE80211_IOCTL_GETWPAIE ioctl will fail.
34 */
35 #define ATH_WPS_IE
36
37 #include "os/linux/include/ieee80211_external.h"
38
39
40 #ifdef CONFIG_WPS
41 #include <netpacket/packet.h>
42
43 #ifndef ETH_P_80211_RAW
44 #define ETH_P_80211_RAW 0x0019
45 #endif
46 #endif /* CONFIG_WPS */
47
48 #include "wireless_copy.h"
49
50 #include "driver.h"
51 #include "eloop.h"
52 #include "priv_netlink.h"
53 #include "l2_packet/l2_packet.h"
54 #include "common/ieee802_11_defs.h"
55 #include "netlink.h"
56 #include "linux_ioctl.h"
57
58
59 struct madwifi_driver_data {
60 struct hostapd_data *hapd; /* back pointer */
61
62 char iface[IFNAMSIZ + 1];
63 int ifindex;
64 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
65 struct l2_packet_data *sock_recv; /* raw packet recv socket */
66 int ioctl_sock; /* socket for ioctl() use */
67 struct netlink_data *netlink;
68 int we_version;
69 u8 acct_mac[ETH_ALEN];
70 struct hostap_sta_driver_data acct_data;
71
72 struct l2_packet_data *sock_raw; /* raw 802.11 management frames */
73 };
74
75 static int madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
76 int reason_code);
77 static int madwifi_set_privacy(void *priv, int enabled);
78
79 static const char * athr_get_ioctl_name(int op)
80 {
81 switch (op) {
82 case IEEE80211_IOCTL_SETPARAM:
83 return "SETPARAM";
84 case IEEE80211_IOCTL_GETPARAM:
85 return "GETPARAM";
86 case IEEE80211_IOCTL_SETKEY:
87 return "SETKEY";
88 case IEEE80211_IOCTL_SETWMMPARAMS:
89 return "SETWMMPARAMS";
90 case IEEE80211_IOCTL_DELKEY:
91 return "DELKEY";
92 case IEEE80211_IOCTL_GETWMMPARAMS:
93 return "GETWMMPARAMS";
94 case IEEE80211_IOCTL_SETMLME:
95 return "SETMLME";
96 case IEEE80211_IOCTL_GETCHANINFO:
97 return "GETCHANINFO";
98 case IEEE80211_IOCTL_SETOPTIE:
99 return "SETOPTIE";
100 case IEEE80211_IOCTL_GETOPTIE:
101 return "GETOPTIE";
102 case IEEE80211_IOCTL_ADDMAC:
103 return "ADDMAC";
104 case IEEE80211_IOCTL_DELMAC:
105 return "DELMAC";
106 case IEEE80211_IOCTL_GETCHANLIST:
107 return "GETCHANLIST";
108 case IEEE80211_IOCTL_SETCHANLIST:
109 return "SETCHANLIST";
110 case IEEE80211_IOCTL_KICKMAC:
111 return "KICKMAC";
112 case IEEE80211_IOCTL_CHANSWITCH:
113 return "CHANSWITCH";
114 case IEEE80211_IOCTL_GETMODE:
115 return "GETMODE";
116 case IEEE80211_IOCTL_SETMODE:
117 return "SETMODE";
118 case IEEE80211_IOCTL_GET_APPIEBUF:
119 return "GET_APPIEBUF";
120 case IEEE80211_IOCTL_SET_APPIEBUF:
121 return "SET_APPIEBUF";
122 case IEEE80211_IOCTL_SET_ACPARAMS:
123 return "SET_ACPARAMS";
124 case IEEE80211_IOCTL_FILTERFRAME:
125 return "FILTERFRAME";
126 case IEEE80211_IOCTL_SET_RTPARAMS:
127 return "SET_RTPARAMS";
128 case IEEE80211_IOCTL_SENDADDBA:
129 return "SENDADDBA";
130 case IEEE80211_IOCTL_GETADDBASTATUS:
131 return "GETADDBASTATUS";
132 case IEEE80211_IOCTL_SENDDELBA:
133 return "SENDDELBA";
134 case IEEE80211_IOCTL_SET_MEDENYENTRY:
135 return "SET_MEDENYENTRY";
136 case IEEE80211_IOCTL_SET_ADDBARESP:
137 return "SET_ADDBARESP";
138 case IEEE80211_IOCTL_GET_MACADDR:
139 return "GET_MACADDR";
140 case IEEE80211_IOCTL_SET_HBRPARAMS:
141 return "SET_HBRPARAMS";
142 case IEEE80211_IOCTL_SET_RXTIMEOUT:
143 return "SET_RXTIMEOUT";
144 case IEEE80211_IOCTL_STA_STATS:
145 return "STA_STATS";
146 case IEEE80211_IOCTL_GETWPAIE:
147 return "GETWPAIE";
148 default:
149 return "??";
150 }
151 }
152
153
154 static const char * athr_get_param_name(int op)
155 {
156 switch (op) {
157 case IEEE80211_IOC_MCASTCIPHER:
158 return "MCASTCIPHER";
159 case IEEE80211_PARAM_MCASTKEYLEN:
160 return "MCASTKEYLEN";
161 case IEEE80211_PARAM_UCASTCIPHERS:
162 return "UCASTCIPHERS";
163 case IEEE80211_PARAM_KEYMGTALGS:
164 return "KEYMGTALGS";
165 case IEEE80211_PARAM_RSNCAPS:
166 return "RSNCAPS";
167 case IEEE80211_PARAM_WPA:
168 return "WPA";
169 case IEEE80211_PARAM_AUTHMODE:
170 return "AUTHMODE";
171 case IEEE80211_PARAM_PRIVACY:
172 return "PRIVACY";
173 case IEEE80211_PARAM_COUNTERMEASURES:
174 return "COUNTERMEASURES";
175 default:
176 return "??";
177 }
178 }
179
180
181 static int
182 set80211priv(struct madwifi_driver_data *drv, int op, void *data, int len)
183 {
184 struct iwreq iwr;
185 int do_inline = len < IFNAMSIZ;
186
187 /* Certain ioctls must use the non-inlined method */
188 if (op == IEEE80211_IOCTL_SET_APPIEBUF ||
189 op == IEEE80211_IOCTL_FILTERFRAME)
190 do_inline = 0;
191
192 memset(&iwr, 0, sizeof(iwr));
193 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
194 if (do_inline) {
195 /*
196 * Argument data fits inline; put it there.
197 */
198 memcpy(iwr.u.name, data, len);
199 } else {
200 /*
201 * Argument data too big for inline transfer; setup a
202 * parameter block instead; the kernel will transfer
203 * the data for the driver.
204 */
205 iwr.u.data.pointer = data;
206 iwr.u.data.length = len;
207 }
208
209 if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
210 wpa_printf(MSG_DEBUG, "atheros: %s: %s: ioctl op=0x%x "
211 "(%s) len=%d failed: %d (%s)",
212 __func__, drv->iface, op,
213 athr_get_ioctl_name(op),
214 len, errno, strerror(errno));
215 return -1;
216 }
217 return 0;
218 }
219
220 static int
221 set80211param(struct madwifi_driver_data *drv, int op, int arg)
222 {
223 struct iwreq iwr;
224
225 memset(&iwr, 0, sizeof(iwr));
226 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
227 iwr.u.mode = op;
228 memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg));
229
230 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
231 perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
232 wpa_printf(MSG_DEBUG, "%s: %s: Failed to set parameter (op %d "
233 "(%s) arg %d)", __func__, drv->iface, op,
234 athr_get_param_name(op), arg);
235 return -1;
236 }
237 return 0;
238 }
239
240 #ifndef CONFIG_NO_STDOUT_DEBUG
241 static const char *
242 ether_sprintf(const u8 *addr)
243 {
244 static char buf[sizeof(MACSTR)];
245
246 if (addr != NULL)
247 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
248 else
249 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
250 return buf;
251 }
252 #endif /* CONFIG_NO_STDOUT_DEBUG */
253
254 /*
255 * Configure WPA parameters.
256 */
257 static int
258 madwifi_configure_wpa(struct madwifi_driver_data *drv,
259 struct wpa_bss_params *params)
260 {
261 int v;
262
263 switch (params->wpa_group) {
264 case WPA_CIPHER_CCMP:
265 v = IEEE80211_CIPHER_AES_CCM;
266 break;
267 case WPA_CIPHER_TKIP:
268 v = IEEE80211_CIPHER_TKIP;
269 break;
270 case WPA_CIPHER_WEP104:
271 v = IEEE80211_CIPHER_WEP;
272 break;
273 case WPA_CIPHER_WEP40:
274 v = IEEE80211_CIPHER_WEP;
275 break;
276 case WPA_CIPHER_NONE:
277 v = IEEE80211_CIPHER_NONE;
278 break;
279 default:
280 wpa_printf(MSG_ERROR, "Unknown group key cipher %u",
281 params->wpa_group);
282 return -1;
283 }
284 wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v);
285 if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
286 printf("Unable to set group key cipher to %u\n", v);
287 return -1;
288 }
289 if (v == IEEE80211_CIPHER_WEP) {
290 /* key length is done only for specific ciphers */
291 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
292 if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
293 printf("Unable to set group key length to %u\n", v);
294 return -1;
295 }
296 }
297
298 v = 0;
299 if (params->wpa_pairwise & WPA_CIPHER_CCMP)
300 v |= 1<<IEEE80211_CIPHER_AES_CCM;
301 if (params->wpa_pairwise & WPA_CIPHER_TKIP)
302 v |= 1<<IEEE80211_CIPHER_TKIP;
303 if (params->wpa_pairwise & WPA_CIPHER_NONE)
304 v |= 1<<IEEE80211_CIPHER_NONE;
305 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
306 if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
307 printf("Unable to set pairwise key ciphers to 0x%x\n", v);
308 return -1;
309 }
310
311 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
312 __func__, params->wpa_key_mgmt);
313 if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS,
314 params->wpa_key_mgmt)) {
315 printf("Unable to set key management algorithms to 0x%x\n",
316 params->wpa_key_mgmt);
317 return -1;
318 }
319
320 v = 0;
321 if (params->rsn_preauth)
322 v |= BIT(0);
323 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
324 __func__, params->rsn_preauth);
325 if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
326 printf("Unable to set RSN capabilities to 0x%x\n", v);
327 return -1;
328 }
329
330 wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa);
331 if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) {
332 printf("Unable to set WPA to %u\n", params->wpa);
333 return -1;
334 }
335 return 0;
336 }
337
338 static int
339 madwifi_set_ieee8021x(void *priv, struct wpa_bss_params *params)
340 {
341 struct madwifi_driver_data *drv = priv;
342
343 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
344
345 if (!params->enabled) {
346 /* XXX restore state */
347 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
348 IEEE80211_AUTH_AUTO) < 0)
349 return -1;
350 /* IEEE80211_AUTH_AUTO ends up enabling Privacy; clear that */
351 return madwifi_set_privacy(drv, 0);
352 }
353 if (!params->wpa && !params->ieee802_1x) {
354 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
355 HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
356 return -1;
357 }
358 if (params->wpa && madwifi_configure_wpa(drv, params) != 0) {
359 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
360 HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
361 return -1;
362 }
363 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
364 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
365 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
366 HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
367 return -1;
368 }
369
370 return 0;
371 }
372
373 static int
374 madwifi_set_privacy(void *priv, int enabled)
375 {
376 struct madwifi_driver_data *drv = priv;
377
378 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
379
380 return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled);
381 }
382
383 static int
384 madwifi_set_sta_authorized(void *priv, const u8 *addr, int authorized)
385 {
386 struct madwifi_driver_data *drv = priv;
387 struct ieee80211req_mlme mlme;
388 int ret;
389
390 wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
391 __func__, ether_sprintf(addr), authorized);
392
393 if (authorized)
394 mlme.im_op = IEEE80211_MLME_AUTHORIZE;
395 else
396 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
397 mlme.im_reason = 0;
398 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
399 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
400 if (ret < 0) {
401 wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
402 __func__, authorized ? "" : "un", MAC2STR(addr));
403 }
404
405 return ret;
406 }
407
408 static int
409 madwifi_sta_set_flags(void *priv, const u8 *addr,
410 int total_flags, int flags_or, int flags_and)
411 {
412 /* For now, only support setting Authorized flag */
413 if (flags_or & WPA_STA_AUTHORIZED)
414 return madwifi_set_sta_authorized(priv, addr, 1);
415 if (!(flags_and & WPA_STA_AUTHORIZED))
416 return madwifi_set_sta_authorized(priv, addr, 0);
417 return 0;
418 }
419
420 static int
421 madwifi_del_key(void *priv, const u8 *addr, int key_idx)
422 {
423 struct madwifi_driver_data *drv = priv;
424 struct ieee80211req_del_key wk;
425 int ret;
426
427 wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
428 __func__, ether_sprintf(addr), key_idx);
429
430 memset(&wk, 0, sizeof(wk));
431 if (addr != NULL) {
432 memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
433 wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
434 } else {
435 wk.idk_keyix = key_idx;
436 }
437
438 ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
439 if (ret < 0) {
440 wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s"
441 " key_idx %d)", __func__, ether_sprintf(addr),
442 key_idx);
443 }
444
445 return ret;
446 }
447
448 static int
449 madwifi_set_key(const char *ifname, void *priv, enum wpa_alg alg,
450 const u8 *addr, int key_idx, int set_tx, const u8 *seq,
451 size_t seq_len, const u8 *key, size_t key_len)
452 {
453 struct madwifi_driver_data *drv = priv;
454 struct ieee80211req_key wk;
455 u_int8_t cipher;
456 int ret;
457
458 if (alg == WPA_ALG_NONE)
459 return madwifi_del_key(drv, addr, key_idx);
460
461 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
462 __func__, alg, ether_sprintf(addr), key_idx);
463
464 switch (alg) {
465 case WPA_ALG_WEP:
466 cipher = IEEE80211_CIPHER_WEP;
467 break;
468 case WPA_ALG_TKIP:
469 cipher = IEEE80211_CIPHER_TKIP;
470 break;
471 case WPA_ALG_CCMP:
472 cipher = IEEE80211_CIPHER_AES_CCM;
473 break;
474 default:
475 printf("%s: unknown/unsupported algorithm %d\n",
476 __func__, alg);
477 return -1;
478 }
479
480 if (key_len > sizeof(wk.ik_keydata)) {
481 printf("%s: key length %lu too big\n", __func__,
482 (unsigned long) key_len);
483 return -3;
484 }
485
486 memset(&wk, 0, sizeof(wk));
487 wk.ik_type = cipher;
488 wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
489 if (addr == NULL) {
490 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
491 wk.ik_keyix = key_idx;
492 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
493 } else {
494 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
495 wk.ik_keyix = IEEE80211_KEYIX_NONE;
496 }
497 wk.ik_keylen = key_len;
498 memcpy(wk.ik_keydata, key, key_len);
499
500 ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
501 if (ret < 0) {
502 wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s"
503 " key_idx %d alg %d key_len %lu set_tx %d)",
504 __func__, ether_sprintf(wk.ik_macaddr), key_idx,
505 alg, (unsigned long) key_len, set_tx);
506 }
507
508 return ret;
509 }
510
511
512 static int
513 madwifi_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
514 u8 *seq)
515 {
516 struct madwifi_driver_data *drv = priv;
517 struct ieee80211req_key wk;
518
519 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
520 __func__, ether_sprintf(addr), idx);
521
522 memset(&wk, 0, sizeof(wk));
523 if (addr == NULL)
524 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
525 else
526 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
527 wk.ik_keyix = idx;
528
529 if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
530 wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data "
531 "(addr " MACSTR " key_idx %d)",
532 __func__, MAC2STR(wk.ik_macaddr), idx);
533 return -1;
534 }
535
536 #ifdef WORDS_BIGENDIAN
537 {
538 /*
539 * wk.ik_keytsc is in host byte order (big endian), need to
540 * swap it to match with the byte order used in WPA.
541 */
542 int i;
543 #ifndef WPA_KEY_RSC_LEN
544 #define WPA_KEY_RSC_LEN 8
545 #endif
546 u8 tmp[WPA_KEY_RSC_LEN];
547 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
548 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
549 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
550 }
551 }
552 #else /* WORDS_BIGENDIAN */
553 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
554 #endif /* WORDS_BIGENDIAN */
555 return 0;
556 }
557
558
559 static int
560 madwifi_flush(void *priv)
561 {
562 u8 allsta[IEEE80211_ADDR_LEN];
563 memset(allsta, 0xff, IEEE80211_ADDR_LEN);
564 return madwifi_sta_deauth(priv, NULL, allsta,
565 IEEE80211_REASON_AUTH_LEAVE);
566 }
567
568
569 static int
570 madwifi_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
571 const u8 *addr)
572 {
573 struct madwifi_driver_data *drv = priv;
574 struct ieee80211req_sta_stats stats;
575
576 memset(data, 0, sizeof(*data));
577
578 /*
579 * Fetch statistics for station from the system.
580 */
581 memset(&stats, 0, sizeof(stats));
582 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
583 if (set80211priv(drv, IEEE80211_IOCTL_STA_STATS,
584 &stats, sizeof(stats))) {
585 wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
586 MACSTR ")", __func__, MAC2STR(addr));
587 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
588 memcpy(data, &drv->acct_data, sizeof(*data));
589 return 0;
590 }
591
592 printf("Failed to get station stats information element.\n");
593 return -1;
594 }
595
596 data->rx_packets = stats.is_stats.ns_rx_data;
597 data->rx_bytes = stats.is_stats.ns_rx_bytes;
598 data->tx_packets = stats.is_stats.ns_tx_data;
599 data->tx_bytes = stats.is_stats.ns_tx_bytes;
600 return 0;
601 }
602
603
604 static int
605 madwifi_sta_clear_stats(void *priv, const u8 *addr)
606 {
607 struct madwifi_driver_data *drv = priv;
608 struct ieee80211req_mlme mlme;
609 int ret;
610
611 wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));
612
613 mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
614 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
615 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
616 sizeof(mlme));
617 if (ret < 0) {
618 wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr "
619 MACSTR ")", __func__, MAC2STR(addr));
620 }
621
622 return ret;
623 }
624
625
626 static int
627 madwifi_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
628 {
629 /*
630 * Do nothing; we setup parameters at startup that define the
631 * contents of the beacon information element.
632 */
633 return 0;
634 }
635
636 static int
637 madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
638 int reason_code)
639 {
640 struct madwifi_driver_data *drv = priv;
641 struct ieee80211req_mlme mlme;
642 int ret;
643
644 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
645 __func__, ether_sprintf(addr), reason_code);
646
647 mlme.im_op = IEEE80211_MLME_DEAUTH;
648 mlme.im_reason = reason_code;
649 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
650 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
651 if (ret < 0) {
652 wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
653 " reason %d)",
654 __func__, MAC2STR(addr), reason_code);
655 }
656
657 return ret;
658 }
659
660 static int
661 madwifi_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
662 int reason_code)
663 {
664 struct madwifi_driver_data *drv = priv;
665 struct ieee80211req_mlme mlme;
666 int ret;
667
668 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
669 __func__, ether_sprintf(addr), reason_code);
670
671 mlme.im_op = IEEE80211_MLME_DISASSOC;
672 mlme.im_reason = reason_code;
673 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
674 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
675 if (ret < 0) {
676 wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
677 MACSTR " reason %d)",
678 __func__, MAC2STR(addr), reason_code);
679 }
680
681 return ret;
682 }
683
684 #ifdef CONFIG_WPS
685 static void madwifi_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf,
686 size_t len)
687 {
688 struct madwifi_driver_data *drv = ctx;
689 const struct ieee80211_mgmt *mgmt;
690 u16 fc;
691 union wpa_event_data event;
692
693 /* Send Probe Request information to WPS processing */
694
695 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
696 return;
697 mgmt = (const struct ieee80211_mgmt *) buf;
698
699 fc = le_to_host16(mgmt->frame_control);
700 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
701 WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_PROBE_REQ)
702 return;
703
704 os_memset(&event, 0, sizeof(event));
705 event.rx_probe_req.sa = mgmt->sa;
706 event.rx_probe_req.ie = mgmt->u.probe_req.variable;
707 event.rx_probe_req.ie_len =
708 len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
709 wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event);
710 }
711 #endif /* CONFIG_WPS */
712
713 static int madwifi_receive_probe_req(struct madwifi_driver_data *drv)
714 {
715 int ret = 0;
716 #ifdef CONFIG_WPS
717 struct ieee80211req_set_filter filt;
718
719 wpa_printf(MSG_DEBUG, "%s Enter", __func__);
720 filt.app_filterype = IEEE80211_FILTER_TYPE_PROBE_REQ;
721
722 ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
723 sizeof(struct ieee80211req_set_filter));
724 if (ret)
725 return ret;
726
727 drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW,
728 madwifi_raw_receive, drv, 1);
729 if (drv->sock_raw == NULL)
730 return -1;
731 #endif /* CONFIG_WPS */
732 return ret;
733 }
734
735 #ifdef CONFIG_WPS
736 static int
737 madwifi_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype)
738 {
739 struct madwifi_driver_data *drv = priv;
740 u8 buf[256];
741 struct ieee80211req_getset_appiebuf *beac_ie;
742
743 wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
744 (unsigned long) len);
745
746 beac_ie = (struct ieee80211req_getset_appiebuf *) buf;
747 beac_ie->app_frmtype = frametype;
748 beac_ie->app_buflen = len;
749 memcpy(&(beac_ie->app_buf[0]), ie, len);
750
751 return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie,
752 sizeof(struct ieee80211req_getset_appiebuf) + len);
753 }
754
755 static int
756 madwifi_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
757 const struct wpabuf *proberesp)
758 {
759 if (madwifi_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL,
760 beacon ? wpabuf_len(beacon) : 0,
761 IEEE80211_APPIE_FRAME_BEACON))
762 return -1;
763 return madwifi_set_wps_ie(priv,
764 proberesp ? wpabuf_head(proberesp) : NULL,
765 proberesp ? wpabuf_len(proberesp): 0,
766 IEEE80211_APPIE_FRAME_PROBE_RESP);
767 }
768 #else /* CONFIG_WPS */
769 #define madwifi_set_ap_wps_ie NULL
770 #endif /* CONFIG_WPS */
771
772 static void
773 madwifi_new_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
774 {
775 struct hostapd_data *hapd = drv->hapd;
776 struct ieee80211req_wpaie ie;
777 int ielen = 0;
778 u8 *iebuf = NULL;
779
780 /*
781 * Fetch negotiated WPA/RSN parameters from the system.
782 */
783 memset(&ie, 0, sizeof(ie));
784 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
785 if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
786 /*
787 * See ATH_WPS_IE comment in the beginning of the file for a
788 * possible cause for the failure..
789 */
790 wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE: %s",
791 __func__, strerror(errno));
792 goto no_ie;
793 }
794 wpa_hexdump(MSG_MSGDUMP, "madwifi req WPA IE",
795 ie.wpa_ie, IEEE80211_MAX_OPT_IE);
796 wpa_hexdump(MSG_MSGDUMP, "madwifi req RSN IE",
797 ie.rsn_ie, IEEE80211_MAX_OPT_IE);
798 iebuf = ie.wpa_ie;
799 /* madwifi seems to return some random data if WPA/RSN IE is not set.
800 * Assume the IE was not included if the IE type is unknown. */
801 if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
802 iebuf[1] = 0;
803 if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
804 /* madwifi-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not
805 * set. This is needed for WPA2. */
806 iebuf = ie.rsn_ie;
807 if (iebuf[0] != WLAN_EID_RSN)
808 iebuf[1] = 0;
809 }
810
811 ielen = iebuf[1];
812 if (ielen == 0)
813 iebuf = NULL;
814 else
815 ielen += 2;
816
817 no_ie:
818 drv_event_assoc(hapd, addr, iebuf, ielen);
819
820 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
821 /* Cached accounting data is not valid anymore. */
822 memset(drv->acct_mac, 0, ETH_ALEN);
823 memset(&drv->acct_data, 0, sizeof(drv->acct_data));
824 }
825 }
826
827 static void
828 madwifi_wireless_event_wireless_custom(struct madwifi_driver_data *drv,
829 char *custom, char *end)
830 {
831 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
832
833 if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
834 char *pos;
835 u8 addr[ETH_ALEN];
836 pos = strstr(custom, "addr=");
837 if (pos == NULL) {
838 wpa_printf(MSG_DEBUG,
839 "MLME-MICHAELMICFAILURE.indication "
840 "without sender address ignored");
841 return;
842 }
843 pos += 5;
844 if (hwaddr_aton(pos, addr) == 0) {
845 union wpa_event_data data;
846 os_memset(&data, 0, sizeof(data));
847 data.michael_mic_failure.unicast = 1;
848 data.michael_mic_failure.src = addr;
849 wpa_supplicant_event(drv->hapd,
850 EVENT_MICHAEL_MIC_FAILURE, &data);
851 } else {
852 wpa_printf(MSG_DEBUG,
853 "MLME-MICHAELMICFAILURE.indication "
854 "with invalid MAC address");
855 }
856 } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
857 char *key, *value;
858 u32 val;
859 key = custom;
860 while ((key = strchr(key, '\n')) != NULL) {
861 key++;
862 value = strchr(key, '=');
863 if (value == NULL)
864 continue;
865 *value++ = '\0';
866 val = strtoul(value, NULL, 10);
867 if (strcmp(key, "mac") == 0)
868 hwaddr_aton(value, drv->acct_mac);
869 else if (strcmp(key, "rx_packets") == 0)
870 drv->acct_data.rx_packets = val;
871 else if (strcmp(key, "tx_packets") == 0)
872 drv->acct_data.tx_packets = val;
873 else if (strcmp(key, "rx_bytes") == 0)
874 drv->acct_data.rx_bytes = val;
875 else if (strcmp(key, "tx_bytes") == 0)
876 drv->acct_data.tx_bytes = val;
877 key = value;
878 }
879 #ifdef CONFIG_WPS
880 } else if (strncmp(custom, "PUSH-BUTTON.indication", 22) == 0) {
881 /* Some atheros kernels send push button as a wireless event */
882 /* PROBLEM! this event is received for ALL BSSs ...
883 * so all are enabled for WPS... ugh.
884 */
885 wpa_supplicant_event(drv->hapd, EVENT_WPS_BUTTON_PUSHED, NULL);
886 } else if (strncmp(custom, "Manage.prob_req ", 16) == 0) {
887 /*
888 * Atheros driver uses a hack to pass Probe Request frames as a
889 * binary data in the custom wireless event. The old way (using
890 * packet sniffing) didn't work when bridging.
891 * Format: "Manage.prob_req <frame len>" | zero padding | frame
892 */
893 #define WPS_FRAM_TAG_SIZE 30 /* hardcoded in driver */
894 int len = atoi(custom + 16);
895 if (len < 0 || custom + WPS_FRAM_TAG_SIZE + len > end) {
896 wpa_printf(MSG_DEBUG, "Invalid Manage.prob_req event "
897 "length %d", len);
898 return;
899 }
900 madwifi_raw_receive(drv, NULL,
901 (u8 *) custom + WPS_FRAM_TAG_SIZE, len);
902 #endif /* CONFIG_WPS */
903 }
904 }
905
906 static void
907 madwifi_wireless_event_wireless(struct madwifi_driver_data *drv,
908 char *data, int len)
909 {
910 struct iw_event iwe_buf, *iwe = &iwe_buf;
911 char *pos, *end, *custom, *buf;
912
913 pos = data;
914 end = data + len;
915
916 while (pos + IW_EV_LCP_LEN <= end) {
917 /* Event data may be unaligned, so make a local, aligned copy
918 * before processing. */
919 memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
920 wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
921 iwe->cmd, iwe->len);
922 if (iwe->len <= IW_EV_LCP_LEN)
923 return;
924
925 custom = pos + IW_EV_POINT_LEN;
926 if (drv->we_version > 18 &&
927 (iwe->cmd == IWEVMICHAELMICFAILURE ||
928 iwe->cmd == IWEVASSOCREQIE ||
929 iwe->cmd == IWEVCUSTOM)) {
930 /* WE-19 removed the pointer from struct iw_point */
931 char *dpos = (char *) &iwe_buf.u.data.length;
932 int dlen = dpos - (char *) &iwe_buf;
933 memcpy(dpos, pos + IW_EV_LCP_LEN,
934 sizeof(struct iw_event) - dlen);
935 } else {
936 memcpy(&iwe_buf, pos, sizeof(struct iw_event));
937 custom += IW_EV_POINT_OFF;
938 }
939
940 switch (iwe->cmd) {
941 case IWEVEXPIRED:
942 drv_event_disassoc(drv->hapd,
943 (u8 *) iwe->u.addr.sa_data);
944 break;
945 case IWEVREGISTERED:
946 madwifi_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
947 break;
948 case IWEVASSOCREQIE:
949 /* Driver hack.. Use IWEVASSOCREQIE to bypass
950 * IWEVCUSTOM size limitations. Need to handle this
951 * just like IWEVCUSTOM.
952 */
953 case IWEVCUSTOM:
954 if (custom + iwe->u.data.length > end)
955 return;
956 buf = malloc(iwe->u.data.length + 1);
957 if (buf == NULL)
958 return; /* XXX */
959 memcpy(buf, custom, iwe->u.data.length);
960 buf[iwe->u.data.length] = '\0';
961 madwifi_wireless_event_wireless_custom(
962 drv, buf, buf + iwe->u.data.length);
963 free(buf);
964 break;
965 }
966
967 pos += iwe->len;
968 }
969 }
970
971
972 static void
973 madwifi_wireless_event_rtm_newlink(void *ctx,
974 struct ifinfomsg *ifi, u8 *buf, size_t len)
975 {
976 struct madwifi_driver_data *drv = ctx;
977 int attrlen, rta_len;
978 struct rtattr *attr;
979
980 if (ifi->ifi_index != drv->ifindex)
981 return;
982
983 attrlen = len;
984 attr = (struct rtattr *) buf;
985
986 rta_len = RTA_ALIGN(sizeof(struct rtattr));
987 while (RTA_OK(attr, attrlen)) {
988 if (attr->rta_type == IFLA_WIRELESS) {
989 madwifi_wireless_event_wireless(
990 drv, ((char *) attr) + rta_len,
991 attr->rta_len - rta_len);
992 }
993 attr = RTA_NEXT(attr, attrlen);
994 }
995 }
996
997
998 static int
999 madwifi_get_we_version(struct madwifi_driver_data *drv)
1000 {
1001 struct iw_range *range;
1002 struct iwreq iwr;
1003 int minlen;
1004 size_t buflen;
1005
1006 drv->we_version = 0;
1007
1008 /*
1009 * Use larger buffer than struct iw_range in order to allow the
1010 * structure to grow in the future.
1011 */
1012 buflen = sizeof(struct iw_range) + 500;
1013 range = os_zalloc(buflen);
1014 if (range == NULL)
1015 return -1;
1016
1017 memset(&iwr, 0, sizeof(iwr));
1018 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1019 iwr.u.data.pointer = (caddr_t) range;
1020 iwr.u.data.length = buflen;
1021
1022 minlen = ((char *) &range->enc_capa) - (char *) range +
1023 sizeof(range->enc_capa);
1024
1025 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
1026 perror("ioctl[SIOCGIWRANGE]");
1027 free(range);
1028 return -1;
1029 } else if (iwr.u.data.length >= minlen &&
1030 range->we_version_compiled >= 18) {
1031 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
1032 "WE(source)=%d enc_capa=0x%x",
1033 range->we_version_compiled,
1034 range->we_version_source,
1035 range->enc_capa);
1036 drv->we_version = range->we_version_compiled;
1037 }
1038
1039 free(range);
1040 return 0;
1041 }
1042
1043
1044 static int
1045 madwifi_wireless_event_init(struct madwifi_driver_data *drv)
1046 {
1047 struct netlink_config *cfg;
1048
1049 madwifi_get_we_version(drv);
1050
1051 cfg = os_zalloc(sizeof(*cfg));
1052 if (cfg == NULL)
1053 return -1;
1054 cfg->ctx = drv;
1055 cfg->newlink_cb = madwifi_wireless_event_rtm_newlink;
1056 drv->netlink = netlink_init(cfg);
1057 if (drv->netlink == NULL) {
1058 os_free(cfg);
1059 return -1;
1060 }
1061
1062 return 0;
1063 }
1064
1065
1066 static int
1067 madwifi_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
1068 int encrypt, const u8 *own_addr)
1069 {
1070 struct madwifi_driver_data *drv = priv;
1071 unsigned char buf[3000];
1072 unsigned char *bp = buf;
1073 struct l2_ethhdr *eth;
1074 size_t len;
1075 int status;
1076
1077 /*
1078 * Prepend the Ethernet header. If the caller left us
1079 * space at the front we could just insert it but since
1080 * we don't know we copy to a local buffer. Given the frequency
1081 * and size of frames this probably doesn't matter.
1082 */
1083 len = data_len + sizeof(struct l2_ethhdr);
1084 if (len > sizeof(buf)) {
1085 bp = malloc(len);
1086 if (bp == NULL) {
1087 printf("EAPOL frame discarded, cannot malloc temp "
1088 "buffer of size %lu!\n", (unsigned long) len);
1089 return -1;
1090 }
1091 }
1092 eth = (struct l2_ethhdr *) bp;
1093 memcpy(eth->h_dest, addr, ETH_ALEN);
1094 memcpy(eth->h_source, own_addr, ETH_ALEN);
1095 eth->h_proto = host_to_be16(ETH_P_EAPOL);
1096 memcpy(eth+1, data, data_len);
1097
1098 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
1099
1100 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
1101
1102 if (bp != buf)
1103 free(bp);
1104 return status;
1105 }
1106
1107 static void
1108 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
1109 {
1110 struct madwifi_driver_data *drv = ctx;
1111 drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr),
1112 len - sizeof(struct l2_ethhdr));
1113 }
1114
1115 static void *
1116 madwifi_init(struct hostapd_data *hapd, struct wpa_init_params *params)
1117 {
1118 struct madwifi_driver_data *drv;
1119 struct ifreq ifr;
1120 struct iwreq iwr;
1121 char brname[IFNAMSIZ];
1122
1123 drv = os_zalloc(sizeof(struct madwifi_driver_data));
1124 if (drv == NULL) {
1125 printf("Could not allocate memory for madwifi driver data\n");
1126 return NULL;
1127 }
1128
1129 drv->hapd = hapd;
1130 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
1131 if (drv->ioctl_sock < 0) {
1132 perror("socket[PF_INET,SOCK_DGRAM]");
1133 goto bad;
1134 }
1135 memcpy(drv->iface, params->ifname, sizeof(drv->iface));
1136
1137 memset(&ifr, 0, sizeof(ifr));
1138 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
1139 if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
1140 perror("ioctl(SIOCGIFINDEX)");
1141 goto bad;
1142 }
1143 drv->ifindex = ifr.ifr_ifindex;
1144
1145 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
1146 handle_read, drv, 1);
1147 if (drv->sock_xmit == NULL)
1148 goto bad;
1149 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
1150 goto bad;
1151 if (params->bridge[0]) {
1152 wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
1153 params->bridge[0]);
1154 drv->sock_recv = l2_packet_init(params->bridge[0], NULL,
1155 ETH_P_EAPOL, handle_read, drv,
1156 1);
1157 if (drv->sock_recv == NULL)
1158 goto bad;
1159 } else if (linux_br_get(brname, drv->iface) == 0) {
1160 wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for "
1161 "EAPOL receive", brname);
1162 drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL,
1163 handle_read, drv, 1);
1164 if (drv->sock_recv == NULL)
1165 goto bad;
1166 } else
1167 drv->sock_recv = drv->sock_xmit;
1168
1169 memset(&iwr, 0, sizeof(iwr));
1170 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1171
1172 iwr.u.mode = IW_MODE_MASTER;
1173
1174 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
1175 perror("ioctl[SIOCSIWMODE]");
1176 printf("Could not set interface to master mode!\n");
1177 goto bad;
1178 }
1179
1180 /* mark down during setup */
1181 linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
1182 madwifi_set_privacy(drv, 0); /* default to no privacy */
1183
1184 madwifi_receive_probe_req(drv);
1185
1186 if (madwifi_wireless_event_init(drv))
1187 goto bad;
1188
1189 return drv;
1190 bad:
1191 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1192 l2_packet_deinit(drv->sock_recv);
1193 if (drv->sock_xmit != NULL)
1194 l2_packet_deinit(drv->sock_xmit);
1195 if (drv->ioctl_sock >= 0)
1196 close(drv->ioctl_sock);
1197 if (drv != NULL)
1198 free(drv);
1199 return NULL;
1200 }
1201
1202
1203 static void
1204 madwifi_deinit(void *priv)
1205 {
1206 struct madwifi_driver_data *drv = priv;
1207
1208 netlink_deinit(drv->netlink);
1209 (void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
1210 if (drv->ioctl_sock >= 0)
1211 close(drv->ioctl_sock);
1212 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1213 l2_packet_deinit(drv->sock_recv);
1214 if (drv->sock_xmit != NULL)
1215 l2_packet_deinit(drv->sock_xmit);
1216 if (drv->sock_raw)
1217 l2_packet_deinit(drv->sock_raw);
1218 free(drv);
1219 }
1220
1221 static int
1222 madwifi_set_ssid(void *priv, const u8 *buf, int len)
1223 {
1224 struct madwifi_driver_data *drv = priv;
1225 struct iwreq iwr;
1226
1227 memset(&iwr, 0, sizeof(iwr));
1228 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1229 iwr.u.essid.flags = 1; /* SSID active */
1230 iwr.u.essid.pointer = (caddr_t) buf;
1231 iwr.u.essid.length = len + 1;
1232
1233 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
1234 perror("ioctl[SIOCSIWESSID]");
1235 printf("len=%d\n", len);
1236 return -1;
1237 }
1238 return 0;
1239 }
1240
1241 static int
1242 madwifi_get_ssid(void *priv, u8 *buf, int len)
1243 {
1244 struct madwifi_driver_data *drv = priv;
1245 struct iwreq iwr;
1246 int ret = 0;
1247
1248 memset(&iwr, 0, sizeof(iwr));
1249 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1250 iwr.u.essid.pointer = (caddr_t) buf;
1251 iwr.u.essid.length = len;
1252
1253 if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
1254 perror("ioctl[SIOCGIWESSID]");
1255 ret = -1;
1256 } else
1257 ret = iwr.u.essid.length;
1258
1259 return ret;
1260 }
1261
1262 static int
1263 madwifi_set_countermeasures(void *priv, int enabled)
1264 {
1265 struct madwifi_driver_data *drv = priv;
1266 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1267 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
1268 }
1269
1270 static int
1271 madwifi_commit(void *priv)
1272 {
1273 struct madwifi_driver_data *drv = priv;
1274 return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1);
1275 }
1276
1277 const struct wpa_driver_ops wpa_driver_atheros_ops = {
1278 .name = "atheros",
1279 .hapd_init = madwifi_init,
1280 .hapd_deinit = madwifi_deinit,
1281 .set_ieee8021x = madwifi_set_ieee8021x,
1282 .set_privacy = madwifi_set_privacy,
1283 .set_key = madwifi_set_key,
1284 .get_seqnum = madwifi_get_seqnum,
1285 .flush = madwifi_flush,
1286 .set_generic_elem = madwifi_set_opt_ie,
1287 .sta_set_flags = madwifi_sta_set_flags,
1288 .read_sta_data = madwifi_read_sta_driver_data,
1289 .hapd_send_eapol = madwifi_send_eapol,
1290 .sta_disassoc = madwifi_sta_disassoc,
1291 .sta_deauth = madwifi_sta_deauth,
1292 .hapd_set_ssid = madwifi_set_ssid,
1293 .hapd_get_ssid = madwifi_get_ssid,
1294 .set_countermeasures = madwifi_set_countermeasures,
1295 .sta_clear_stats = madwifi_sta_clear_stats,
1296 .commit = madwifi_commit,
1297 .set_ap_wps_ie = madwifi_set_ap_wps_ie,
1298 };
Mirror of AROS' svn.