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Replace hostapd_probe_req_rx() with EVENT_RX_PROBE_REQ driver event
[thirdparty/hostap.git] / src / drivers / driver_madwifi.c
1 /*
2 * WPA Supplicant - driver interaction with MADWIFI 802.11 driver
3 * Copyright (c) 2004, Sam Leffler <sam@errno.com>
4 * Copyright (c) 2004, Video54 Technologies
5 * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * Alternatively, this software may be distributed under the terms of BSD
12 * license.
13 *
14 * See README and COPYING for more details.
15 *
16 * While this driver wrapper supports both AP (hostapd) and station
17 * (wpa_supplicant) operations, the station side is deprecated and
18 * driver_wext.c should be used instead. This driver wrapper should only be
19 * used with hostapd for AP mode functionality.
20 */
21
22 #include "includes.h"
23 #include <sys/ioctl.h>
24
25 #include "common.h"
26 #include "driver.h"
27 #include "driver_wext.h"
28 #include "eloop.h"
29 #include "common/ieee802_11_defs.h"
30 #include "wireless_copy.h"
31
32 /*
33 * Avoid conflicts with wpa_supplicant definitions by undefining a definition.
34 */
35 #undef WME_OUI_TYPE
36
37 #include <include/compat.h>
38 #include <net80211/ieee80211.h>
39 #ifdef WME_NUM_AC
40 /* Assume this is built against BSD branch of madwifi driver. */
41 #define MADWIFI_BSD
42 #include <net80211/_ieee80211.h>
43 #endif /* WME_NUM_AC */
44 #include <net80211/ieee80211_crypto.h>
45 #include <net80211/ieee80211_ioctl.h>
46
47 #ifdef CONFIG_WPS
48 #ifdef IEEE80211_IOCTL_FILTERFRAME
49 #include <netpacket/packet.h>
50
51 #ifndef ETH_P_80211_RAW
52 #define ETH_P_80211_RAW 0x0019
53 #endif
54 #endif /* IEEE80211_IOCTL_FILTERFRAME */
55 #endif /* CONFIG_WPS */
56
57 /*
58 * Avoid conflicts with hostapd definitions by undefining couple of defines
59 * from madwifi header files.
60 */
61 #undef RSN_VERSION
62 #undef WPA_VERSION
63 #undef WPA_OUI_TYPE
64 #undef WME_OUI_TYPE
65
66
67 #ifdef IEEE80211_IOCTL_SETWMMPARAMS
68 /* Assume this is built against madwifi-ng */
69 #define MADWIFI_NG
70 #endif /* IEEE80211_IOCTL_SETWMMPARAMS */
71
72
73 #ifdef HOSTAPD
74
75 #include "priv_netlink.h"
76 #include "netlink.h"
77 #include "l2_packet/l2_packet.h"
78
79
80 struct madwifi_driver_data {
81 struct hostapd_data *hapd; /* back pointer */
82
83 char iface[IFNAMSIZ + 1];
84 int ifindex;
85 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
86 struct l2_packet_data *sock_recv; /* raw packet recv socket */
87 int ioctl_sock; /* socket for ioctl() use */
88 struct netlink_data *netlink;
89 int we_version;
90 u8 acct_mac[ETH_ALEN];
91 struct hostap_sta_driver_data acct_data;
92
93 struct l2_packet_data *sock_raw; /* raw 802.11 management frames */
94 };
95
96 static int madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
97 int reason_code);
98
99 static int
100 set80211priv(struct madwifi_driver_data *drv, int op, void *data, int len)
101 {
102 struct iwreq iwr;
103 int do_inline = len < IFNAMSIZ;
104
105 memset(&iwr, 0, sizeof(iwr));
106 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
107 #ifdef IEEE80211_IOCTL_FILTERFRAME
108 /* FILTERFRAME must be NOT inline, regardless of size. */
109 if (op == IEEE80211_IOCTL_FILTERFRAME)
110 do_inline = 0;
111 #endif /* IEEE80211_IOCTL_FILTERFRAME */
112 if (op == IEEE80211_IOCTL_SET_APPIEBUF)
113 do_inline = 0;
114 if (do_inline) {
115 /*
116 * Argument data fits inline; put it there.
117 */
118 memcpy(iwr.u.name, data, len);
119 } else {
120 /*
121 * Argument data too big for inline transfer; setup a
122 * parameter block instead; the kernel will transfer
123 * the data for the driver.
124 */
125 iwr.u.data.pointer = data;
126 iwr.u.data.length = len;
127 }
128
129 if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
130 #ifdef MADWIFI_NG
131 int first = IEEE80211_IOCTL_SETPARAM;
132 static const char *opnames[] = {
133 "ioctl[IEEE80211_IOCTL_SETPARAM]",
134 "ioctl[IEEE80211_IOCTL_GETPARAM]",
135 "ioctl[IEEE80211_IOCTL_SETMODE]",
136 "ioctl[IEEE80211_IOCTL_GETMODE]",
137 "ioctl[IEEE80211_IOCTL_SETWMMPARAMS]",
138 "ioctl[IEEE80211_IOCTL_GETWMMPARAMS]",
139 "ioctl[IEEE80211_IOCTL_SETCHANLIST]",
140 "ioctl[IEEE80211_IOCTL_GETCHANLIST]",
141 "ioctl[IEEE80211_IOCTL_CHANSWITCH]",
142 "ioctl[IEEE80211_IOCTL_GET_APPIEBUF]",
143 "ioctl[IEEE80211_IOCTL_SET_APPIEBUF]",
144 "ioctl[IEEE80211_IOCTL_GETSCANRESULTS]",
145 "ioctl[IEEE80211_IOCTL_FILTERFRAME]",
146 "ioctl[IEEE80211_IOCTL_GETCHANINFO]",
147 "ioctl[IEEE80211_IOCTL_SETOPTIE]",
148 "ioctl[IEEE80211_IOCTL_GETOPTIE]",
149 "ioctl[IEEE80211_IOCTL_SETMLME]",
150 NULL,
151 "ioctl[IEEE80211_IOCTL_SETKEY]",
152 NULL,
153 "ioctl[IEEE80211_IOCTL_DELKEY]",
154 NULL,
155 "ioctl[IEEE80211_IOCTL_ADDMAC]",
156 NULL,
157 "ioctl[IEEE80211_IOCTL_DELMAC]",
158 NULL,
159 "ioctl[IEEE80211_IOCTL_WDSMAC]",
160 NULL,
161 "ioctl[IEEE80211_IOCTL_WDSDELMAC]",
162 NULL,
163 "ioctl[IEEE80211_IOCTL_KICKMAC]",
164 };
165 #else /* MADWIFI_NG */
166 int first = IEEE80211_IOCTL_SETPARAM;
167 static const char *opnames[] = {
168 "ioctl[IEEE80211_IOCTL_SETPARAM]",
169 "ioctl[IEEE80211_IOCTL_GETPARAM]",
170 "ioctl[IEEE80211_IOCTL_SETKEY]",
171 "ioctl[SIOCIWFIRSTPRIV+3]",
172 "ioctl[IEEE80211_IOCTL_DELKEY]",
173 "ioctl[SIOCIWFIRSTPRIV+5]",
174 "ioctl[IEEE80211_IOCTL_SETMLME]",
175 "ioctl[SIOCIWFIRSTPRIV+7]",
176 "ioctl[IEEE80211_IOCTL_SETOPTIE]",
177 "ioctl[IEEE80211_IOCTL_GETOPTIE]",
178 "ioctl[IEEE80211_IOCTL_ADDMAC]",
179 "ioctl[SIOCIWFIRSTPRIV+11]",
180 "ioctl[IEEE80211_IOCTL_DELMAC]",
181 "ioctl[SIOCIWFIRSTPRIV+13]",
182 "ioctl[IEEE80211_IOCTL_CHANLIST]",
183 "ioctl[SIOCIWFIRSTPRIV+15]",
184 "ioctl[IEEE80211_IOCTL_GETRSN]",
185 "ioctl[SIOCIWFIRSTPRIV+17]",
186 "ioctl[IEEE80211_IOCTL_GETKEY]",
187 };
188 #endif /* MADWIFI_NG */
189 int idx = op - first;
190 if (first <= op &&
191 idx < (int) (sizeof(opnames) / sizeof(opnames[0])) &&
192 opnames[idx])
193 perror(opnames[idx]);
194 else
195 perror("ioctl[unknown???]");
196 return -1;
197 }
198 return 0;
199 }
200
201 static int
202 set80211param(struct madwifi_driver_data *drv, int op, int arg)
203 {
204 struct iwreq iwr;
205
206 memset(&iwr, 0, sizeof(iwr));
207 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
208 iwr.u.mode = op;
209 memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg));
210
211 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
212 perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
213 wpa_printf(MSG_DEBUG, "%s: Failed to set parameter (op %d "
214 "arg %d)", __func__, op, arg);
215 return -1;
216 }
217 return 0;
218 }
219
220 #ifndef CONFIG_NO_STDOUT_DEBUG
221 static const char *
222 ether_sprintf(const u8 *addr)
223 {
224 static char buf[sizeof(MACSTR)];
225
226 if (addr != NULL)
227 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
228 else
229 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
230 return buf;
231 }
232 #endif /* CONFIG_NO_STDOUT_DEBUG */
233
234 /*
235 * Configure WPA parameters.
236 */
237 static int
238 madwifi_configure_wpa(struct madwifi_driver_data *drv,
239 struct wpa_bss_params *params)
240 {
241 int v;
242
243 switch (params->wpa_group) {
244 case WPA_CIPHER_CCMP:
245 v = IEEE80211_CIPHER_AES_CCM;
246 break;
247 case WPA_CIPHER_TKIP:
248 v = IEEE80211_CIPHER_TKIP;
249 break;
250 case WPA_CIPHER_WEP104:
251 v = IEEE80211_CIPHER_WEP;
252 break;
253 case WPA_CIPHER_WEP40:
254 v = IEEE80211_CIPHER_WEP;
255 break;
256 case WPA_CIPHER_NONE:
257 v = IEEE80211_CIPHER_NONE;
258 break;
259 default:
260 wpa_printf(MSG_ERROR, "Unknown group key cipher %u",
261 params->wpa_group);
262 return -1;
263 }
264 wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v);
265 if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
266 printf("Unable to set group key cipher to %u\n", v);
267 return -1;
268 }
269 if (v == IEEE80211_CIPHER_WEP) {
270 /* key length is done only for specific ciphers */
271 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
272 if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
273 printf("Unable to set group key length to %u\n", v);
274 return -1;
275 }
276 }
277
278 v = 0;
279 if (params->wpa_pairwise & WPA_CIPHER_CCMP)
280 v |= 1<<IEEE80211_CIPHER_AES_CCM;
281 if (params->wpa_pairwise & WPA_CIPHER_TKIP)
282 v |= 1<<IEEE80211_CIPHER_TKIP;
283 if (params->wpa_pairwise & WPA_CIPHER_NONE)
284 v |= 1<<IEEE80211_CIPHER_NONE;
285 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
286 if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
287 printf("Unable to set pairwise key ciphers to 0x%x\n", v);
288 return -1;
289 }
290
291 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
292 __func__, params->wpa_key_mgmt);
293 if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS,
294 params->wpa_key_mgmt)) {
295 printf("Unable to set key management algorithms to 0x%x\n",
296 params->wpa_key_mgmt);
297 return -1;
298 }
299
300 v = 0;
301 if (params->rsn_preauth)
302 v |= BIT(0);
303 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
304 __func__, params->rsn_preauth);
305 if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
306 printf("Unable to set RSN capabilities to 0x%x\n", v);
307 return -1;
308 }
309
310 wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa);
311 if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) {
312 printf("Unable to set WPA to %u\n", params->wpa);
313 return -1;
314 }
315 return 0;
316 }
317
318
319 static int
320 madwifi_set_iface_flags(void *priv, int dev_up)
321 {
322 struct madwifi_driver_data *drv = priv;
323 struct ifreq ifr;
324
325 wpa_printf(MSG_DEBUG, "%s: dev_up=%d", __func__, dev_up);
326
327 if (drv->ioctl_sock < 0)
328 return -1;
329
330 memset(&ifr, 0, sizeof(ifr));
331 os_strlcpy(ifr.ifr_name, drv->iface, IFNAMSIZ);
332
333 if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
334 perror("ioctl[SIOCGIFFLAGS]");
335 return -1;
336 }
337
338 if (dev_up)
339 ifr.ifr_flags |= IFF_UP;
340 else
341 ifr.ifr_flags &= ~IFF_UP;
342
343 if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
344 perror("ioctl[SIOCSIFFLAGS]");
345 return -1;
346 }
347
348 return 0;
349 }
350
351 static int
352 madwifi_set_ieee8021x(void *priv, struct wpa_bss_params *params)
353 {
354 struct madwifi_driver_data *drv = priv;
355
356 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
357
358 if (!params->enabled) {
359 /* XXX restore state */
360 return set80211param(priv, IEEE80211_PARAM_AUTHMODE,
361 IEEE80211_AUTH_AUTO);
362 }
363 if (!params->wpa && !params->ieee802_1x) {
364 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
365 HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
366 return -1;
367 }
368 if (params->wpa && madwifi_configure_wpa(drv, params) != 0) {
369 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
370 HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
371 return -1;
372 }
373 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
374 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
375 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
376 HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
377 return -1;
378 }
379
380 return 0;
381 }
382
383 static int
384 madwifi_set_privacy(const char *ifname, void *priv, int enabled)
385 {
386 struct madwifi_driver_data *drv = priv;
387
388 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
389
390 return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled);
391 }
392
393 static int
394 madwifi_set_sta_authorized(void *priv, const u8 *addr, int authorized)
395 {
396 struct madwifi_driver_data *drv = priv;
397 struct ieee80211req_mlme mlme;
398 int ret;
399
400 wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
401 __func__, ether_sprintf(addr), authorized);
402
403 if (authorized)
404 mlme.im_op = IEEE80211_MLME_AUTHORIZE;
405 else
406 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
407 mlme.im_reason = 0;
408 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
409 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
410 if (ret < 0) {
411 wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
412 __func__, authorized ? "" : "un", MAC2STR(addr));
413 }
414
415 return ret;
416 }
417
418 static int
419 madwifi_sta_set_flags(void *priv, const u8 *addr, int total_flags,
420 int flags_or, int flags_and)
421 {
422 /* For now, only support setting Authorized flag */
423 if (flags_or & WPA_STA_AUTHORIZED)
424 return madwifi_set_sta_authorized(priv, addr, 1);
425 if (!(flags_and & WPA_STA_AUTHORIZED))
426 return madwifi_set_sta_authorized(priv, addr, 0);
427 return 0;
428 }
429
430 static int
431 madwifi_del_key(void *priv, const u8 *addr, int key_idx)
432 {
433 struct madwifi_driver_data *drv = priv;
434 struct ieee80211req_del_key wk;
435 int ret;
436
437 wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
438 __func__, ether_sprintf(addr), key_idx);
439
440 memset(&wk, 0, sizeof(wk));
441 if (addr != NULL) {
442 memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
443 wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
444 } else {
445 wk.idk_keyix = key_idx;
446 }
447
448 ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
449 if (ret < 0) {
450 wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s"
451 " key_idx %d)", __func__, ether_sprintf(addr),
452 key_idx);
453 }
454
455 return ret;
456 }
457
458 static int
459 wpa_driver_madwifi_set_key(const char *ifname, void *priv, enum wpa_alg alg,
460 const u8 *addr, int key_idx, int set_tx,
461 const u8 *seq, size_t seq_len,
462 const u8 *key, size_t key_len)
463 {
464 struct madwifi_driver_data *drv = priv;
465 struct ieee80211req_key wk;
466 u_int8_t cipher;
467 int ret;
468
469 if (alg == WPA_ALG_NONE)
470 return madwifi_del_key(drv, addr, key_idx);
471
472 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
473 __func__, alg, ether_sprintf(addr), key_idx);
474
475 if (alg == WPA_ALG_WEP)
476 cipher = IEEE80211_CIPHER_WEP;
477 else if (alg == WPA_ALG_TKIP)
478 cipher = IEEE80211_CIPHER_TKIP;
479 else if (alg == WPA_ALG_CCMP)
480 cipher = IEEE80211_CIPHER_AES_CCM;
481 else {
482 printf("%s: unknown/unsupported algorithm %d\n",
483 __func__, alg);
484 return -1;
485 }
486
487 if (key_len > sizeof(wk.ik_keydata)) {
488 printf("%s: key length %lu too big\n", __func__,
489 (unsigned long) key_len);
490 return -3;
491 }
492
493 memset(&wk, 0, sizeof(wk));
494 wk.ik_type = cipher;
495 wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
496 if (addr == NULL) {
497 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
498 wk.ik_keyix = key_idx;
499 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
500 } else {
501 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
502 wk.ik_keyix = IEEE80211_KEYIX_NONE;
503 }
504 wk.ik_keylen = key_len;
505 memcpy(wk.ik_keydata, key, key_len);
506
507 ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
508 if (ret < 0) {
509 wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s"
510 " key_idx %d alg %d key_len %lu set_tx %d)",
511 __func__, ether_sprintf(wk.ik_macaddr), key_idx,
512 alg, (unsigned long) key_len, set_tx);
513 }
514
515 return ret;
516 }
517
518
519 static int
520 madwifi_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
521 u8 *seq)
522 {
523 struct madwifi_driver_data *drv = priv;
524 struct ieee80211req_key wk;
525
526 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
527 __func__, ether_sprintf(addr), idx);
528
529 memset(&wk, 0, sizeof(wk));
530 if (addr == NULL)
531 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
532 else
533 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
534 wk.ik_keyix = idx;
535
536 if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
537 wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data "
538 "(addr " MACSTR " key_idx %d)",
539 __func__, MAC2STR(wk.ik_macaddr), idx);
540 return -1;
541 }
542
543 #ifdef WORDS_BIGENDIAN
544 {
545 /*
546 * wk.ik_keytsc is in host byte order (big endian), need to
547 * swap it to match with the byte order used in WPA.
548 */
549 int i;
550 u8 tmp[WPA_KEY_RSC_LEN];
551 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
552 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
553 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
554 }
555 }
556 #else /* WORDS_BIGENDIAN */
557 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
558 #endif /* WORDS_BIGENDIAN */
559 return 0;
560 }
561
562
563 static int
564 madwifi_flush(void *priv)
565 {
566 #ifdef MADWIFI_BSD
567 u8 allsta[IEEE80211_ADDR_LEN];
568 memset(allsta, 0xff, IEEE80211_ADDR_LEN);
569 return madwifi_sta_deauth(priv, NULL, allsta,
570 IEEE80211_REASON_AUTH_LEAVE);
571 #else /* MADWIFI_BSD */
572 return 0; /* XXX */
573 #endif /* MADWIFI_BSD */
574 }
575
576
577 static int
578 madwifi_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
579 const u8 *addr)
580 {
581 struct madwifi_driver_data *drv = priv;
582
583 #ifdef MADWIFI_BSD
584 struct ieee80211req_sta_stats stats;
585
586 memset(data, 0, sizeof(*data));
587
588 /*
589 * Fetch statistics for station from the system.
590 */
591 memset(&stats, 0, sizeof(stats));
592 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
593 if (set80211priv(drv,
594 #ifdef MADWIFI_NG
595 IEEE80211_IOCTL_STA_STATS,
596 #else /* MADWIFI_NG */
597 IEEE80211_IOCTL_GETSTASTATS,
598 #endif /* MADWIFI_NG */
599 &stats, sizeof(stats))) {
600 wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
601 MACSTR ")", __func__, MAC2STR(addr));
602 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
603 memcpy(data, &drv->acct_data, sizeof(*data));
604 return 0;
605 }
606
607 printf("Failed to get station stats information element.\n");
608 return -1;
609 }
610
611 data->rx_packets = stats.is_stats.ns_rx_data;
612 data->rx_bytes = stats.is_stats.ns_rx_bytes;
613 data->tx_packets = stats.is_stats.ns_tx_data;
614 data->tx_bytes = stats.is_stats.ns_tx_bytes;
615 return 0;
616
617 #else /* MADWIFI_BSD */
618
619 char buf[1024], line[128], *pos;
620 FILE *f;
621 unsigned long val;
622
623 memset(data, 0, sizeof(*data));
624 snprintf(buf, sizeof(buf), "/proc/net/madwifi/%s/" MACSTR,
625 drv->iface, MAC2STR(addr));
626
627 f = fopen(buf, "r");
628 if (!f) {
629 if (memcmp(addr, drv->acct_mac, ETH_ALEN) != 0)
630 return -1;
631 memcpy(data, &drv->acct_data, sizeof(*data));
632 return 0;
633 }
634 /* Need to read proc file with in one piece, so use large enough
635 * buffer. */
636 setbuffer(f, buf, sizeof(buf));
637
638 while (fgets(line, sizeof(line), f)) {
639 pos = strchr(line, '=');
640 if (!pos)
641 continue;
642 *pos++ = '\0';
643 val = strtoul(pos, NULL, 10);
644 if (strcmp(line, "rx_packets") == 0)
645 data->rx_packets = val;
646 else if (strcmp(line, "tx_packets") == 0)
647 data->tx_packets = val;
648 else if (strcmp(line, "rx_bytes") == 0)
649 data->rx_bytes = val;
650 else if (strcmp(line, "tx_bytes") == 0)
651 data->tx_bytes = val;
652 }
653
654 fclose(f);
655
656 return 0;
657 #endif /* MADWIFI_BSD */
658 }
659
660
661 static int
662 madwifi_sta_clear_stats(void *priv, const u8 *addr)
663 {
664 #if defined(MADWIFI_BSD) && defined(IEEE80211_MLME_CLEAR_STATS)
665 struct madwifi_driver_data *drv = priv;
666 struct ieee80211req_mlme mlme;
667 int ret;
668
669 wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));
670
671 mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
672 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
673 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
674 sizeof(mlme));
675 if (ret < 0) {
676 wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr "
677 MACSTR ")", __func__, MAC2STR(addr));
678 }
679
680 return ret;
681 #else /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */
682 return 0; /* FIX */
683 #endif /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */
684 }
685
686
687 static int
688 madwifi_set_opt_ie(const char *ifname, void *priv, const u8 *ie, size_t ie_len)
689 {
690 /*
691 * Do nothing; we setup parameters at startup that define the
692 * contents of the beacon information element.
693 */
694 return 0;
695 }
696
697 static int
698 madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
699 int reason_code)
700 {
701 struct madwifi_driver_data *drv = priv;
702 struct ieee80211req_mlme mlme;
703 int ret;
704
705 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
706 __func__, ether_sprintf(addr), reason_code);
707
708 mlme.im_op = IEEE80211_MLME_DEAUTH;
709 mlme.im_reason = reason_code;
710 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
711 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
712 if (ret < 0) {
713 wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
714 " reason %d)",
715 __func__, MAC2STR(addr), reason_code);
716 }
717
718 return ret;
719 }
720
721 static int
722 madwifi_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
723 int reason_code)
724 {
725 struct madwifi_driver_data *drv = priv;
726 struct ieee80211req_mlme mlme;
727 int ret;
728
729 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
730 __func__, ether_sprintf(addr), reason_code);
731
732 mlme.im_op = IEEE80211_MLME_DISASSOC;
733 mlme.im_reason = reason_code;
734 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
735 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
736 if (ret < 0) {
737 wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
738 MACSTR " reason %d)",
739 __func__, MAC2STR(addr), reason_code);
740 }
741
742 return ret;
743 }
744
745 #ifdef CONFIG_WPS
746 #ifdef IEEE80211_IOCTL_FILTERFRAME
747 static void madwifi_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf,
748 size_t len)
749 {
750 struct madwifi_driver_data *drv = ctx;
751 const struct ieee80211_mgmt *mgmt;
752 u16 fc;
753 union wpa_event_data event;
754
755 /* Send Probe Request information to WPS processing */
756
757 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
758 return;
759 mgmt = (const struct ieee80211_mgmt *) buf;
760
761 fc = le_to_host16(mgmt->frame_control);
762 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
763 WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_PROBE_REQ)
764 return;
765
766 os_memset(&event, 0, sizeof(event));
767 event.rx_probe_req.sa = mgmt->sa;
768 event.rx_probe_req.ie = mgmt->u.probe_req.variable;
769 event.rx_probe_req.ie_len =
770 len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
771 wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event);
772 }
773 #endif /* IEEE80211_IOCTL_FILTERFRAME */
774 #endif /* CONFIG_WPS */
775
776 static int madwifi_receive_probe_req(struct madwifi_driver_data *drv)
777 {
778 int ret = 0;
779 #ifdef CONFIG_WPS
780 #ifdef IEEE80211_IOCTL_FILTERFRAME
781 struct ieee80211req_set_filter filt;
782
783 wpa_printf(MSG_DEBUG, "%s Enter", __func__);
784 filt.app_filterype = IEEE80211_FILTER_TYPE_PROBE_REQ;
785
786 ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
787 sizeof(struct ieee80211req_set_filter));
788 if (ret)
789 return ret;
790
791 drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW,
792 madwifi_raw_receive, drv, 1);
793 if (drv->sock_raw == NULL)
794 return -1;
795 #endif /* IEEE80211_IOCTL_FILTERFRAME */
796 #endif /* CONFIG_WPS */
797 return ret;
798 }
799
800 #ifdef CONFIG_WPS
801 static int
802 madwifi_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype)
803 {
804 struct madwifi_driver_data *drv = priv;
805 u8 buf[256];
806 struct ieee80211req_getset_appiebuf *beac_ie;
807
808 wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
809 (unsigned long) len);
810
811 beac_ie = (struct ieee80211req_getset_appiebuf *) buf;
812 beac_ie->app_frmtype = frametype;
813 beac_ie->app_buflen = len;
814 memcpy(&(beac_ie->app_buf[0]), ie, len);
815
816 return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie,
817 sizeof(struct ieee80211req_getset_appiebuf) + len);
818 }
819
820 static int
821 madwifi_set_ap_wps_ie(const char *ifname, void *priv,
822 const struct wpabuf *beacon,
823 const struct wpabuf *proberesp)
824 {
825 if (madwifi_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL,
826 beacon ? wpabuf_len(beacon) : 0,
827 IEEE80211_APPIE_FRAME_BEACON) < 0)
828 return -1;
829 return madwifi_set_wps_ie(priv,
830 proberesp ? wpabuf_head(proberesp) : NULL,
831 proberesp ? wpabuf_len(proberesp) : 0,
832 IEEE80211_APPIE_FRAME_PROBE_RESP);
833 }
834 #else /* CONFIG_WPS */
835 #define madwifi_set_ap_wps_ie NULL
836 #endif /* CONFIG_WPS */
837
838 static int
839 madwifi_new_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
840 {
841 struct hostapd_data *hapd = drv->hapd;
842 struct ieee80211req_wpaie ie;
843 int ielen = 0, res;
844 u8 *iebuf = NULL;
845
846 /*
847 * Fetch negotiated WPA/RSN parameters from the system.
848 */
849 memset(&ie, 0, sizeof(ie));
850 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
851 if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
852 wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE",
853 __func__);
854 goto no_ie;
855 }
856 wpa_hexdump(MSG_MSGDUMP, "madwifi req WPA IE",
857 ie.wpa_ie, IEEE80211_MAX_OPT_IE);
858 iebuf = ie.wpa_ie;
859 /* madwifi seems to return some random data if WPA/RSN IE is not set.
860 * Assume the IE was not included if the IE type is unknown. */
861 if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
862 iebuf[1] = 0;
863 #ifdef MADWIFI_NG
864 wpa_hexdump(MSG_MSGDUMP, "madwifi req RSN IE",
865 ie.rsn_ie, IEEE80211_MAX_OPT_IE);
866 if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
867 /* madwifi-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not
868 * set. This is needed for WPA2. */
869 iebuf = ie.rsn_ie;
870 if (iebuf[0] != WLAN_EID_RSN)
871 iebuf[1] = 0;
872 }
873 #endif /* MADWIFI_NG */
874
875 ielen = iebuf[1];
876 if (ielen == 0)
877 iebuf = NULL;
878 else
879 ielen += 2;
880
881 no_ie:
882 res = hostapd_notif_assoc(hapd, addr, iebuf, ielen);
883
884 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
885 /* Cached accounting data is not valid anymore. */
886 memset(drv->acct_mac, 0, ETH_ALEN);
887 memset(&drv->acct_data, 0, sizeof(drv->acct_data));
888 }
889
890 return res;
891 }
892
893 static void
894 madwifi_wireless_event_wireless_custom(struct madwifi_driver_data *drv,
895 char *custom)
896 {
897 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
898
899 if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
900 char *pos;
901 u8 addr[ETH_ALEN];
902 pos = strstr(custom, "addr=");
903 if (pos == NULL) {
904 wpa_printf(MSG_DEBUG,
905 "MLME-MICHAELMICFAILURE.indication "
906 "without sender address ignored");
907 return;
908 }
909 pos += 5;
910 if (hwaddr_aton(pos, addr) == 0) {
911 union wpa_event_data data;
912 os_memset(&data, 0, sizeof(data));
913 data.michael_mic_failure.unicast = 1;
914 data.michael_mic_failure.src = addr;
915 wpa_supplicant_event(drv->hapd,
916 EVENT_MICHAEL_MIC_FAILURE, &data);
917 } else {
918 wpa_printf(MSG_DEBUG,
919 "MLME-MICHAELMICFAILURE.indication "
920 "with invalid MAC address");
921 }
922 } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
923 char *key, *value;
924 u32 val;
925 key = custom;
926 while ((key = strchr(key, '\n')) != NULL) {
927 key++;
928 value = strchr(key, '=');
929 if (value == NULL)
930 continue;
931 *value++ = '\0';
932 val = strtoul(value, NULL, 10);
933 if (strcmp(key, "mac") == 0)
934 hwaddr_aton(value, drv->acct_mac);
935 else if (strcmp(key, "rx_packets") == 0)
936 drv->acct_data.rx_packets = val;
937 else if (strcmp(key, "tx_packets") == 0)
938 drv->acct_data.tx_packets = val;
939 else if (strcmp(key, "rx_bytes") == 0)
940 drv->acct_data.rx_bytes = val;
941 else if (strcmp(key, "tx_bytes") == 0)
942 drv->acct_data.tx_bytes = val;
943 key = value;
944 }
945 }
946 }
947
948 static void
949 madwifi_wireless_event_wireless(struct madwifi_driver_data *drv,
950 char *data, int len)
951 {
952 struct iw_event iwe_buf, *iwe = &iwe_buf;
953 char *pos, *end, *custom, *buf;
954
955 pos = data;
956 end = data + len;
957
958 while (pos + IW_EV_LCP_LEN <= end) {
959 /* Event data may be unaligned, so make a local, aligned copy
960 * before processing. */
961 memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
962 wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
963 iwe->cmd, iwe->len);
964 if (iwe->len <= IW_EV_LCP_LEN)
965 return;
966
967 custom = pos + IW_EV_POINT_LEN;
968 if (drv->we_version > 18 &&
969 (iwe->cmd == IWEVMICHAELMICFAILURE ||
970 iwe->cmd == IWEVCUSTOM)) {
971 /* WE-19 removed the pointer from struct iw_point */
972 char *dpos = (char *) &iwe_buf.u.data.length;
973 int dlen = dpos - (char *) &iwe_buf;
974 memcpy(dpos, pos + IW_EV_LCP_LEN,
975 sizeof(struct iw_event) - dlen);
976 } else {
977 memcpy(&iwe_buf, pos, sizeof(struct iw_event));
978 custom += IW_EV_POINT_OFF;
979 }
980
981 switch (iwe->cmd) {
982 case IWEVEXPIRED:
983 hostapd_notif_disassoc(drv->hapd,
984 (u8 *) iwe->u.addr.sa_data);
985 break;
986 case IWEVREGISTERED:
987 madwifi_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
988 break;
989 case IWEVCUSTOM:
990 if (custom + iwe->u.data.length > end)
991 return;
992 buf = malloc(iwe->u.data.length + 1);
993 if (buf == NULL)
994 return; /* XXX */
995 memcpy(buf, custom, iwe->u.data.length);
996 buf[iwe->u.data.length] = '\0';
997 madwifi_wireless_event_wireless_custom(drv, buf);
998 free(buf);
999 break;
1000 }
1001
1002 pos += iwe->len;
1003 }
1004 }
1005
1006
1007 static void
1008 madwifi_wireless_event_rtm_newlink(void *ctx, struct ifinfomsg *ifi,
1009 u8 *buf, size_t len)
1010 {
1011 struct madwifi_driver_data *drv = ctx;
1012 int attrlen, rta_len;
1013 struct rtattr *attr;
1014
1015 if (ifi->ifi_index != drv->ifindex)
1016 return;
1017
1018 attrlen = len;
1019 attr = (struct rtattr *) buf;
1020
1021 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1022 while (RTA_OK(attr, attrlen)) {
1023 if (attr->rta_type == IFLA_WIRELESS) {
1024 madwifi_wireless_event_wireless(
1025 drv, ((char *) attr) + rta_len,
1026 attr->rta_len - rta_len);
1027 }
1028 attr = RTA_NEXT(attr, attrlen);
1029 }
1030 }
1031
1032
1033 static int
1034 madwifi_get_we_version(struct madwifi_driver_data *drv)
1035 {
1036 struct iw_range *range;
1037 struct iwreq iwr;
1038 int minlen;
1039 size_t buflen;
1040
1041 drv->we_version = 0;
1042
1043 /*
1044 * Use larger buffer than struct iw_range in order to allow the
1045 * structure to grow in the future.
1046 */
1047 buflen = sizeof(struct iw_range) + 500;
1048 range = os_zalloc(buflen);
1049 if (range == NULL)
1050 return -1;
1051
1052 memset(&iwr, 0, sizeof(iwr));
1053 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1054 iwr.u.data.pointer = (caddr_t) range;
1055 iwr.u.data.length = buflen;
1056
1057 minlen = ((char *) &range->enc_capa) - (char *) range +
1058 sizeof(range->enc_capa);
1059
1060 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
1061 perror("ioctl[SIOCGIWRANGE]");
1062 free(range);
1063 return -1;
1064 } else if (iwr.u.data.length >= minlen &&
1065 range->we_version_compiled >= 18) {
1066 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
1067 "WE(source)=%d enc_capa=0x%x",
1068 range->we_version_compiled,
1069 range->we_version_source,
1070 range->enc_capa);
1071 drv->we_version = range->we_version_compiled;
1072 }
1073
1074 free(range);
1075 return 0;
1076 }
1077
1078
1079 static int
1080 madwifi_wireless_event_init(struct madwifi_driver_data *drv)
1081 {
1082 struct netlink_config *cfg;
1083
1084 madwifi_get_we_version(drv);
1085
1086 cfg = os_zalloc(sizeof(*cfg));
1087 if (cfg == NULL)
1088 return -1;
1089 cfg->ctx = drv;
1090 cfg->newlink_cb = madwifi_wireless_event_rtm_newlink;
1091 drv->netlink = netlink_init(cfg);
1092 if (drv->netlink == NULL) {
1093 os_free(cfg);
1094 return -1;
1095 }
1096
1097 return 0;
1098 }
1099
1100
1101 static int
1102 madwifi_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
1103 int encrypt, const u8 *own_addr)
1104 {
1105 struct madwifi_driver_data *drv = priv;
1106 unsigned char buf[3000];
1107 unsigned char *bp = buf;
1108 struct l2_ethhdr *eth;
1109 size_t len;
1110 int status;
1111
1112 /*
1113 * Prepend the Ethernet header. If the caller left us
1114 * space at the front we could just insert it but since
1115 * we don't know we copy to a local buffer. Given the frequency
1116 * and size of frames this probably doesn't matter.
1117 */
1118 len = data_len + sizeof(struct l2_ethhdr);
1119 if (len > sizeof(buf)) {
1120 bp = malloc(len);
1121 if (bp == NULL) {
1122 printf("EAPOL frame discarded, cannot malloc temp "
1123 "buffer of size %lu!\n", (unsigned long) len);
1124 return -1;
1125 }
1126 }
1127 eth = (struct l2_ethhdr *) bp;
1128 memcpy(eth->h_dest, addr, ETH_ALEN);
1129 memcpy(eth->h_source, own_addr, ETH_ALEN);
1130 eth->h_proto = host_to_be16(ETH_P_EAPOL);
1131 memcpy(eth+1, data, data_len);
1132
1133 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
1134
1135 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
1136
1137 if (bp != buf)
1138 free(bp);
1139 return status;
1140 }
1141
1142 static void
1143 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
1144 {
1145 struct madwifi_driver_data *drv = ctx;
1146 hostapd_eapol_receive(drv->hapd, src_addr,
1147 buf + sizeof(struct l2_ethhdr),
1148 len - sizeof(struct l2_ethhdr));
1149 }
1150
1151 static void *
1152 madwifi_init(struct hostapd_data *hapd, struct wpa_init_params *params)
1153 {
1154 struct madwifi_driver_data *drv;
1155 struct ifreq ifr;
1156 struct iwreq iwr;
1157
1158 drv = os_zalloc(sizeof(struct madwifi_driver_data));
1159 if (drv == NULL) {
1160 printf("Could not allocate memory for madwifi driver data\n");
1161 return NULL;
1162 }
1163
1164 drv->hapd = hapd;
1165 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
1166 if (drv->ioctl_sock < 0) {
1167 perror("socket[PF_INET,SOCK_DGRAM]");
1168 goto bad;
1169 }
1170 memcpy(drv->iface, params->ifname, sizeof(drv->iface));
1171
1172 memset(&ifr, 0, sizeof(ifr));
1173 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
1174 if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
1175 perror("ioctl(SIOCGIFINDEX)");
1176 goto bad;
1177 }
1178 drv->ifindex = ifr.ifr_ifindex;
1179
1180 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
1181 handle_read, drv, 1);
1182 if (drv->sock_xmit == NULL)
1183 goto bad;
1184 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
1185 goto bad;
1186 if (params->bridge[0]) {
1187 wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
1188 params->bridge[0]);
1189 drv->sock_recv = l2_packet_init(params->bridge[0], NULL,
1190 ETH_P_EAPOL, handle_read, drv,
1191 1);
1192 if (drv->sock_recv == NULL)
1193 goto bad;
1194 } else
1195 drv->sock_recv = drv->sock_xmit;
1196
1197 memset(&iwr, 0, sizeof(iwr));
1198 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1199
1200 iwr.u.mode = IW_MODE_MASTER;
1201
1202 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
1203 perror("ioctl[SIOCSIWMODE]");
1204 printf("Could not set interface to master mode!\n");
1205 goto bad;
1206 }
1207
1208 madwifi_set_iface_flags(drv, 0); /* mark down during setup */
1209 madwifi_set_privacy(drv->iface, drv, 0); /* default to no privacy */
1210
1211 madwifi_receive_probe_req(drv);
1212
1213 if (madwifi_wireless_event_init(drv))
1214 goto bad;
1215
1216 return drv;
1217 bad:
1218 if (drv->sock_xmit != NULL)
1219 l2_packet_deinit(drv->sock_xmit);
1220 if (drv->ioctl_sock >= 0)
1221 close(drv->ioctl_sock);
1222 if (drv != NULL)
1223 free(drv);
1224 return NULL;
1225 }
1226
1227
1228 static void
1229 madwifi_deinit(void *priv)
1230 {
1231 struct madwifi_driver_data *drv = priv;
1232
1233 netlink_deinit(drv->netlink);
1234 (void) madwifi_set_iface_flags(drv, 0);
1235 if (drv->ioctl_sock >= 0)
1236 close(drv->ioctl_sock);
1237 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1238 l2_packet_deinit(drv->sock_recv);
1239 if (drv->sock_xmit != NULL)
1240 l2_packet_deinit(drv->sock_xmit);
1241 if (drv->sock_raw)
1242 l2_packet_deinit(drv->sock_raw);
1243 free(drv);
1244 }
1245
1246 static int
1247 madwifi_set_ssid(const char *ifname, void *priv, const u8 *buf, int len)
1248 {
1249 struct madwifi_driver_data *drv = priv;
1250 struct iwreq iwr;
1251
1252 memset(&iwr, 0, sizeof(iwr));
1253 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1254 iwr.u.essid.flags = 1; /* SSID active */
1255 iwr.u.essid.pointer = (caddr_t) buf;
1256 iwr.u.essid.length = len + 1;
1257
1258 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
1259 perror("ioctl[SIOCSIWESSID]");
1260 printf("len=%d\n", len);
1261 return -1;
1262 }
1263 return 0;
1264 }
1265
1266 static int
1267 madwifi_get_ssid(const char *ifname, void *priv, u8 *buf, int len)
1268 {
1269 struct madwifi_driver_data *drv = priv;
1270 struct iwreq iwr;
1271 int ret = 0;
1272
1273 memset(&iwr, 0, sizeof(iwr));
1274 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1275 iwr.u.essid.pointer = (caddr_t) buf;
1276 iwr.u.essid.length = len;
1277
1278 if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
1279 perror("ioctl[SIOCGIWESSID]");
1280 ret = -1;
1281 } else
1282 ret = iwr.u.essid.length;
1283
1284 return ret;
1285 }
1286
1287 static int
1288 madwifi_set_countermeasures(void *priv, int enabled)
1289 {
1290 struct madwifi_driver_data *drv = priv;
1291 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1292 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
1293 }
1294
1295 static int
1296 madwifi_commit(void *priv)
1297 {
1298 return madwifi_set_iface_flags(priv, 1);
1299 }
1300
1301 #else /* HOSTAPD */
1302
1303 struct wpa_driver_madwifi_data {
1304 void *wext; /* private data for driver_wext */
1305 void *ctx;
1306 char ifname[IFNAMSIZ + 1];
1307 int sock;
1308 };
1309
1310 static int wpa_driver_madwifi_set_auth_alg(void *priv, int auth_alg);
1311 static int wpa_driver_madwifi_set_probe_req_ie(void *priv, const u8 *ies,
1312 size_t ies_len);
1313
1314
1315 static int
1316 set80211priv(struct wpa_driver_madwifi_data *drv, int op, void *data, int len,
1317 int show_err)
1318 {
1319 struct iwreq iwr;
1320
1321 os_memset(&iwr, 0, sizeof(iwr));
1322 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1323 if (len < IFNAMSIZ &&
1324 op != IEEE80211_IOCTL_SET_APPIEBUF) {
1325 /*
1326 * Argument data fits inline; put it there.
1327 */
1328 os_memcpy(iwr.u.name, data, len);
1329 } else {
1330 /*
1331 * Argument data too big for inline transfer; setup a
1332 * parameter block instead; the kernel will transfer
1333 * the data for the driver.
1334 */
1335 iwr.u.data.pointer = data;
1336 iwr.u.data.length = len;
1337 }
1338
1339 if (ioctl(drv->sock, op, &iwr) < 0) {
1340 if (show_err) {
1341 #ifdef MADWIFI_NG
1342 int first = IEEE80211_IOCTL_SETPARAM;
1343 int last = IEEE80211_IOCTL_KICKMAC;
1344 static const char *opnames[] = {
1345 "ioctl[IEEE80211_IOCTL_SETPARAM]",
1346 "ioctl[IEEE80211_IOCTL_GETPARAM]",
1347 "ioctl[IEEE80211_IOCTL_SETMODE]",
1348 "ioctl[IEEE80211_IOCTL_GETMODE]",
1349 "ioctl[IEEE80211_IOCTL_SETWMMPARAMS]",
1350 "ioctl[IEEE80211_IOCTL_GETWMMPARAMS]",
1351 "ioctl[IEEE80211_IOCTL_SETCHANLIST]",
1352 "ioctl[IEEE80211_IOCTL_GETCHANLIST]",
1353 "ioctl[IEEE80211_IOCTL_CHANSWITCH]",
1354 NULL,
1355 "ioctl[IEEE80211_IOCTL_SET_APPIEBUF]",
1356 "ioctl[IEEE80211_IOCTL_GETSCANRESULTS]",
1357 NULL,
1358 "ioctl[IEEE80211_IOCTL_GETCHANINFO]",
1359 "ioctl[IEEE80211_IOCTL_SETOPTIE]",
1360 "ioctl[IEEE80211_IOCTL_GETOPTIE]",
1361 "ioctl[IEEE80211_IOCTL_SETMLME]",
1362 NULL,
1363 "ioctl[IEEE80211_IOCTL_SETKEY]",
1364 NULL,
1365 "ioctl[IEEE80211_IOCTL_DELKEY]",
1366 NULL,
1367 "ioctl[IEEE80211_IOCTL_ADDMAC]",
1368 NULL,
1369 "ioctl[IEEE80211_IOCTL_DELMAC]",
1370 NULL,
1371 "ioctl[IEEE80211_IOCTL_WDSMAC]",
1372 NULL,
1373 "ioctl[IEEE80211_IOCTL_WDSDELMAC]",
1374 NULL,
1375 "ioctl[IEEE80211_IOCTL_KICKMAC]",
1376 };
1377 #else /* MADWIFI_NG */
1378 int first = IEEE80211_IOCTL_SETPARAM;
1379 int last = IEEE80211_IOCTL_CHANLIST;
1380 static const char *opnames[] = {
1381 "ioctl[IEEE80211_IOCTL_SETPARAM]",
1382 "ioctl[IEEE80211_IOCTL_GETPARAM]",
1383 "ioctl[IEEE80211_IOCTL_SETKEY]",
1384 "ioctl[IEEE80211_IOCTL_GETKEY]",
1385 "ioctl[IEEE80211_IOCTL_DELKEY]",
1386 NULL,
1387 "ioctl[IEEE80211_IOCTL_SETMLME]",
1388 NULL,
1389 "ioctl[IEEE80211_IOCTL_SETOPTIE]",
1390 "ioctl[IEEE80211_IOCTL_GETOPTIE]",
1391 "ioctl[IEEE80211_IOCTL_ADDMAC]",
1392 NULL,
1393 "ioctl[IEEE80211_IOCTL_DELMAC]",
1394 NULL,
1395 "ioctl[IEEE80211_IOCTL_CHANLIST]",
1396 };
1397 #endif /* MADWIFI_NG */
1398 int idx = op - first;
1399 if (first <= op && op <= last &&
1400 idx < (int) (sizeof(opnames) / sizeof(opnames[0]))
1401 && opnames[idx])
1402 perror(opnames[idx]);
1403 else
1404 perror("ioctl[unknown???]");
1405 }
1406 return -1;
1407 }
1408 return 0;
1409 }
1410
1411 static int
1412 set80211param(struct wpa_driver_madwifi_data *drv, int op, int arg,
1413 int show_err)
1414 {
1415 struct iwreq iwr;
1416
1417 os_memset(&iwr, 0, sizeof(iwr));
1418 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1419 iwr.u.mode = op;
1420 os_memcpy(iwr.u.name+sizeof(u32), &arg, sizeof(arg));
1421
1422 if (ioctl(drv->sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
1423 if (show_err)
1424 perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
1425 return -1;
1426 }
1427 return 0;
1428 }
1429
1430 static int
1431 wpa_driver_madwifi_set_wpa_ie(struct wpa_driver_madwifi_data *drv,
1432 const u8 *wpa_ie, size_t wpa_ie_len)
1433 {
1434 struct iwreq iwr;
1435
1436 os_memset(&iwr, 0, sizeof(iwr));
1437 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1438 /* NB: SETOPTIE is not fixed-size so must not be inlined */
1439 iwr.u.data.pointer = (void *) wpa_ie;
1440 iwr.u.data.length = wpa_ie_len;
1441
1442 if (ioctl(drv->sock, IEEE80211_IOCTL_SETOPTIE, &iwr) < 0) {
1443 perror("ioctl[IEEE80211_IOCTL_SETOPTIE]");
1444 return -1;
1445 }
1446 return 0;
1447 }
1448
1449 static int
1450 wpa_driver_madwifi_del_key(struct wpa_driver_madwifi_data *drv, int key_idx,
1451 const u8 *addr)
1452 {
1453 struct ieee80211req_del_key wk;
1454
1455 wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __FUNCTION__, key_idx);
1456 os_memset(&wk, 0, sizeof(wk));
1457 wk.idk_keyix = key_idx;
1458 if (addr != NULL)
1459 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
1460
1461 return set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk), 1);
1462 }
1463
1464 static int
1465 wpa_driver_madwifi_set_key(const char *ifname, void *priv, enum wpa_alg alg,
1466 const u8 *addr, int key_idx, int set_tx,
1467 const u8 *seq, size_t seq_len,
1468 const u8 *key, size_t key_len)
1469 {
1470 struct wpa_driver_madwifi_data *drv = priv;
1471 struct ieee80211req_key wk;
1472 char *alg_name;
1473 u_int8_t cipher;
1474
1475 if (alg == WPA_ALG_NONE)
1476 return wpa_driver_madwifi_del_key(drv, key_idx, addr);
1477
1478 switch (alg) {
1479 case WPA_ALG_WEP:
1480 if (addr == NULL || os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
1481 ETH_ALEN) == 0) {
1482 /*
1483 * madwifi did not seem to like static WEP key
1484 * configuration with IEEE80211_IOCTL_SETKEY, so use
1485 * Linux wireless extensions ioctl for this.
1486 */
1487 return wpa_driver_wext_set_key(ifname, drv->wext, alg,
1488 addr, key_idx, set_tx,
1489 seq, seq_len,
1490 key, key_len);
1491 }
1492 alg_name = "WEP";
1493 cipher = IEEE80211_CIPHER_WEP;
1494 break;
1495 case WPA_ALG_TKIP:
1496 alg_name = "TKIP";
1497 cipher = IEEE80211_CIPHER_TKIP;
1498 break;
1499 case WPA_ALG_CCMP:
1500 alg_name = "CCMP";
1501 cipher = IEEE80211_CIPHER_AES_CCM;
1502 break;
1503 default:
1504 wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d",
1505 __FUNCTION__, alg);
1506 return -1;
1507 }
1508
1509 wpa_printf(MSG_DEBUG, "%s: alg=%s key_idx=%d set_tx=%d seq_len=%lu "
1510 "key_len=%lu", __FUNCTION__, alg_name, key_idx, set_tx,
1511 (unsigned long) seq_len, (unsigned long) key_len);
1512
1513 if (seq_len > sizeof(u_int64_t)) {
1514 wpa_printf(MSG_DEBUG, "%s: seq_len %lu too big",
1515 __FUNCTION__, (unsigned long) seq_len);
1516 return -2;
1517 }
1518 if (key_len > sizeof(wk.ik_keydata)) {
1519 wpa_printf(MSG_DEBUG, "%s: key length %lu too big",
1520 __FUNCTION__, (unsigned long) key_len);
1521 return -3;
1522 }
1523
1524 os_memset(&wk, 0, sizeof(wk));
1525 wk.ik_type = cipher;
1526 wk.ik_flags = IEEE80211_KEY_RECV;
1527 if (addr == NULL ||
1528 os_memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0)
1529 wk.ik_flags |= IEEE80211_KEY_GROUP;
1530 if (set_tx) {
1531 wk.ik_flags |= IEEE80211_KEY_XMIT | IEEE80211_KEY_DEFAULT;
1532 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
1533 } else
1534 os_memset(wk.ik_macaddr, 0, IEEE80211_ADDR_LEN);
1535 wk.ik_keyix = key_idx;
1536 wk.ik_keylen = key_len;
1537 #ifdef WORDS_BIGENDIAN
1538 #define WPA_KEY_RSC_LEN 8
1539 {
1540 size_t i;
1541 u8 tmp[WPA_KEY_RSC_LEN];
1542 os_memset(tmp, 0, sizeof(tmp));
1543 for (i = 0; i < seq_len; i++)
1544 tmp[WPA_KEY_RSC_LEN - i - 1] = seq[i];
1545 os_memcpy(&wk.ik_keyrsc, tmp, WPA_KEY_RSC_LEN);
1546 }
1547 #else /* WORDS_BIGENDIAN */
1548 os_memcpy(&wk.ik_keyrsc, seq, seq_len);
1549 #endif /* WORDS_BIGENDIAN */
1550 os_memcpy(wk.ik_keydata, key, key_len);
1551
1552 return set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk), 1);
1553 }
1554
1555 static int
1556 wpa_driver_madwifi_set_countermeasures(void *priv, int enabled)
1557 {
1558 struct wpa_driver_madwifi_data *drv = priv;
1559 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1560 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled, 1);
1561 }
1562
1563 static int
1564 wpa_driver_madwifi_deauthenticate(void *priv, const u8 *addr, int reason_code)
1565 {
1566 struct wpa_driver_madwifi_data *drv = priv;
1567 struct ieee80211req_mlme mlme;
1568
1569 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1570 mlme.im_op = IEEE80211_MLME_DEAUTH;
1571 mlme.im_reason = reason_code;
1572 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1573 return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1);
1574 }
1575
1576 static int
1577 wpa_driver_madwifi_disassociate(void *priv, const u8 *addr, int reason_code)
1578 {
1579 struct wpa_driver_madwifi_data *drv = priv;
1580 struct ieee80211req_mlme mlme;
1581
1582 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1583 mlme.im_op = IEEE80211_MLME_DISASSOC;
1584 mlme.im_reason = reason_code;
1585 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1586 return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1);
1587 }
1588
1589 static int
1590 wpa_driver_madwifi_associate(void *priv,
1591 struct wpa_driver_associate_params *params)
1592 {
1593 struct wpa_driver_madwifi_data *drv = priv;
1594 struct ieee80211req_mlme mlme;
1595 int ret = 0, privacy = 1;
1596
1597 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1598
1599 if (set80211param(drv, IEEE80211_PARAM_DROPUNENCRYPTED,
1600 params->drop_unencrypted, 1) < 0)
1601 ret = -1;
1602 if (wpa_driver_madwifi_set_auth_alg(drv, params->auth_alg) < 0)
1603 ret = -1;
1604
1605 /*
1606 * NB: Don't need to set the freq or cipher-related state as
1607 * this is implied by the bssid which is used to locate
1608 * the scanned node state which holds it. The ssid is
1609 * needed to disambiguate an AP that broadcasts multiple
1610 * ssid's but uses the same bssid.
1611 */
1612 /* XXX error handling is wrong but unclear what to do... */
1613 if (wpa_driver_madwifi_set_wpa_ie(drv, params->wpa_ie,
1614 params->wpa_ie_len) < 0)
1615 ret = -1;
1616
1617 if (params->pairwise_suite == CIPHER_NONE &&
1618 params->group_suite == CIPHER_NONE &&
1619 params->key_mgmt_suite == KEY_MGMT_NONE &&
1620 params->wpa_ie_len == 0)
1621 privacy = 0;
1622
1623 if (set80211param(drv, IEEE80211_PARAM_PRIVACY, privacy, 1) < 0)
1624 ret = -1;
1625
1626 if (params->wpa_ie_len &&
1627 set80211param(drv, IEEE80211_PARAM_WPA,
1628 params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1, 1) < 0)
1629 ret = -1;
1630
1631 if (params->bssid == NULL) {
1632 /* ap_scan=2 mode - driver takes care of AP selection and
1633 * roaming */
1634 /* FIX: this does not seem to work; would probably need to
1635 * change something in the driver */
1636 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0)
1637 ret = -1;
1638
1639 if (wpa_driver_wext_set_ssid(drv->wext, params->ssid,
1640 params->ssid_len) < 0)
1641 ret = -1;
1642 } else {
1643 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0)
1644 ret = -1;
1645 if (wpa_driver_wext_set_ssid(drv->wext, params->ssid,
1646 params->ssid_len) < 0)
1647 ret = -1;
1648 os_memset(&mlme, 0, sizeof(mlme));
1649 mlme.im_op = IEEE80211_MLME_ASSOC;
1650 os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
1651 if (set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
1652 sizeof(mlme), 1) < 0) {
1653 wpa_printf(MSG_DEBUG, "%s: SETMLME[ASSOC] failed",
1654 __func__);
1655 ret = -1;
1656 }
1657 }
1658
1659 return ret;
1660 }
1661
1662 static int
1663 wpa_driver_madwifi_set_auth_alg(void *priv, int auth_alg)
1664 {
1665 struct wpa_driver_madwifi_data *drv = priv;
1666 int authmode;
1667
1668 if ((auth_alg & AUTH_ALG_OPEN_SYSTEM) &&
1669 (auth_alg & AUTH_ALG_SHARED_KEY))
1670 authmode = IEEE80211_AUTH_AUTO;
1671 else if (auth_alg & AUTH_ALG_SHARED_KEY)
1672 authmode = IEEE80211_AUTH_SHARED;
1673 else
1674 authmode = IEEE80211_AUTH_OPEN;
1675
1676 return set80211param(drv, IEEE80211_PARAM_AUTHMODE, authmode, 1);
1677 }
1678
1679 static int
1680 wpa_driver_madwifi_scan(void *priv, struct wpa_driver_scan_params *params)
1681 {
1682 struct wpa_driver_madwifi_data *drv = priv;
1683 struct iwreq iwr;
1684 int ret = 0;
1685 const u8 *ssid = params->ssids[0].ssid;
1686 size_t ssid_len = params->ssids[0].ssid_len;
1687
1688 wpa_driver_madwifi_set_probe_req_ie(drv, params->extra_ies,
1689 params->extra_ies_len);
1690
1691 os_memset(&iwr, 0, sizeof(iwr));
1692 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1693
1694 /* set desired ssid before scan */
1695 /* FIX: scan should not break the current association, so using
1696 * set_ssid may not be the best way of doing this.. */
1697 if (wpa_driver_wext_set_ssid(drv->wext, ssid, ssid_len) < 0)
1698 ret = -1;
1699
1700 if (ioctl(drv->sock, SIOCSIWSCAN, &iwr) < 0) {
1701 perror("ioctl[SIOCSIWSCAN]");
1702 ret = -1;
1703 }
1704
1705 /*
1706 * madwifi delivers a scan complete event so no need to poll, but
1707 * register a backup timeout anyway to make sure that we recover even
1708 * if the driver does not send this event for any reason. This timeout
1709 * will only be used if the event is not delivered (event handler will
1710 * cancel the timeout).
1711 */
1712 eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv->wext,
1713 drv->ctx);
1714 eloop_register_timeout(30, 0, wpa_driver_wext_scan_timeout, drv->wext,
1715 drv->ctx);
1716
1717 return ret;
1718 }
1719
1720 static int wpa_driver_madwifi_get_bssid(void *priv, u8 *bssid)
1721 {
1722 struct wpa_driver_madwifi_data *drv = priv;
1723 return wpa_driver_wext_get_bssid(drv->wext, bssid);
1724 }
1725
1726
1727 static int wpa_driver_madwifi_get_ssid(void *priv, u8 *ssid)
1728 {
1729 struct wpa_driver_madwifi_data *drv = priv;
1730 return wpa_driver_wext_get_ssid(drv->wext, ssid);
1731 }
1732
1733
1734 static struct wpa_scan_results *
1735 wpa_driver_madwifi_get_scan_results(void *priv)
1736 {
1737 struct wpa_driver_madwifi_data *drv = priv;
1738 return wpa_driver_wext_get_scan_results(drv->wext);
1739 }
1740
1741
1742 static int wpa_driver_madwifi_set_operstate(void *priv, int state)
1743 {
1744 struct wpa_driver_madwifi_data *drv = priv;
1745 return wpa_driver_wext_set_operstate(drv->wext, state);
1746 }
1747
1748
1749 static int wpa_driver_madwifi_set_probe_req_ie(void *priv, const u8 *ies,
1750 size_t ies_len)
1751 {
1752 struct ieee80211req_getset_appiebuf *probe_req_ie;
1753 int ret;
1754
1755 probe_req_ie = os_malloc(sizeof(*probe_req_ie) + ies_len);
1756 if (probe_req_ie == NULL)
1757 return -1;
1758
1759 probe_req_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_REQ;
1760 probe_req_ie->app_buflen = ies_len;
1761 os_memcpy(probe_req_ie->app_buf, ies, ies_len);
1762
1763 ret = set80211priv(priv, IEEE80211_IOCTL_SET_APPIEBUF, probe_req_ie,
1764 sizeof(struct ieee80211req_getset_appiebuf) +
1765 ies_len, 1);
1766
1767 os_free(probe_req_ie);
1768
1769 return ret;
1770 }
1771
1772
1773 static void * wpa_driver_madwifi_init(void *ctx, const char *ifname)
1774 {
1775 struct wpa_driver_madwifi_data *drv;
1776
1777 drv = os_zalloc(sizeof(*drv));
1778 if (drv == NULL)
1779 return NULL;
1780 drv->wext = wpa_driver_wext_init(ctx, ifname);
1781 if (drv->wext == NULL)
1782 goto fail;
1783
1784 drv->ctx = ctx;
1785 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
1786 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
1787 if (drv->sock < 0)
1788 goto fail2;
1789
1790 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0) {
1791 wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based "
1792 "roaming", __FUNCTION__);
1793 goto fail3;
1794 }
1795
1796 if (set80211param(drv, IEEE80211_PARAM_WPA, 3, 1) < 0) {
1797 wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support",
1798 __FUNCTION__);
1799 goto fail3;
1800 }
1801
1802 return drv;
1803
1804 fail3:
1805 close(drv->sock);
1806 fail2:
1807 wpa_driver_wext_deinit(drv->wext);
1808 fail:
1809 os_free(drv);
1810 return NULL;
1811 }
1812
1813
1814 static void wpa_driver_madwifi_deinit(void *priv)
1815 {
1816 struct wpa_driver_madwifi_data *drv = priv;
1817
1818 if (wpa_driver_madwifi_set_wpa_ie(drv, NULL, 0) < 0) {
1819 wpa_printf(MSG_DEBUG, "%s: failed to clear WPA IE",
1820 __FUNCTION__);
1821 }
1822 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0) {
1823 wpa_printf(MSG_DEBUG, "%s: failed to enable driver-based "
1824 "roaming", __FUNCTION__);
1825 }
1826 if (set80211param(drv, IEEE80211_PARAM_PRIVACY, 0, 1) < 0) {
1827 wpa_printf(MSG_DEBUG, "%s: failed to disable forced Privacy "
1828 "flag", __FUNCTION__);
1829 }
1830 if (set80211param(drv, IEEE80211_PARAM_WPA, 0, 1) < 0) {
1831 wpa_printf(MSG_DEBUG, "%s: failed to disable WPA",
1832 __FUNCTION__);
1833 }
1834
1835 wpa_driver_wext_deinit(drv->wext);
1836
1837 close(drv->sock);
1838 os_free(drv);
1839 }
1840
1841 #endif /* HOSTAPD */
1842
1843
1844 const struct wpa_driver_ops wpa_driver_madwifi_ops = {
1845 .name = "madwifi",
1846 .desc = "MADWIFI 802.11 support (Atheros, etc.)",
1847 .set_key = wpa_driver_madwifi_set_key,
1848 #ifdef HOSTAPD
1849 .hapd_init = madwifi_init,
1850 .hapd_deinit = madwifi_deinit,
1851 .set_ieee8021x = madwifi_set_ieee8021x,
1852 .set_privacy = madwifi_set_privacy,
1853 .get_seqnum = madwifi_get_seqnum,
1854 .flush = madwifi_flush,
1855 .set_generic_elem = madwifi_set_opt_ie,
1856 .sta_set_flags = madwifi_sta_set_flags,
1857 .read_sta_data = madwifi_read_sta_driver_data,
1858 .hapd_send_eapol = madwifi_send_eapol,
1859 .sta_disassoc = madwifi_sta_disassoc,
1860 .sta_deauth = madwifi_sta_deauth,
1861 .hapd_set_ssid = madwifi_set_ssid,
1862 .hapd_get_ssid = madwifi_get_ssid,
1863 .hapd_set_countermeasures = madwifi_set_countermeasures,
1864 .sta_clear_stats = madwifi_sta_clear_stats,
1865 .commit = madwifi_commit,
1866 .set_ap_wps_ie = madwifi_set_ap_wps_ie,
1867 #else /* HOSTAPD */
1868 .get_bssid = wpa_driver_madwifi_get_bssid,
1869 .get_ssid = wpa_driver_madwifi_get_ssid,
1870 .init = wpa_driver_madwifi_init,
1871 .deinit = wpa_driver_madwifi_deinit,
1872 .set_countermeasures = wpa_driver_madwifi_set_countermeasures,
1873 .scan2 = wpa_driver_madwifi_scan,
1874 .get_scan_results2 = wpa_driver_madwifi_get_scan_results,
1875 .deauthenticate = wpa_driver_madwifi_deauthenticate,
1876 .disassociate = wpa_driver_madwifi_disassociate,
1877 .associate = wpa_driver_madwifi_associate,
1878 .set_operstate = wpa_driver_madwifi_set_operstate,
1879 #endif /* HOSTAPD */
1880 };
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