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Use generic driver event notification for AP mode assoc/disassoc
[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 void
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;
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 drv_event_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
891 static void
892 madwifi_wireless_event_wireless_custom(struct madwifi_driver_data *drv,
893 char *custom)
894 {
895 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
896
897 if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
898 char *pos;
899 u8 addr[ETH_ALEN];
900 pos = strstr(custom, "addr=");
901 if (pos == NULL) {
902 wpa_printf(MSG_DEBUG,
903 "MLME-MICHAELMICFAILURE.indication "
904 "without sender address ignored");
905 return;
906 }
907 pos += 5;
908 if (hwaddr_aton(pos, addr) == 0) {
909 union wpa_event_data data;
910 os_memset(&data, 0, sizeof(data));
911 data.michael_mic_failure.unicast = 1;
912 data.michael_mic_failure.src = addr;
913 wpa_supplicant_event(drv->hapd,
914 EVENT_MICHAEL_MIC_FAILURE, &data);
915 } else {
916 wpa_printf(MSG_DEBUG,
917 "MLME-MICHAELMICFAILURE.indication "
918 "with invalid MAC address");
919 }
920 } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
921 char *key, *value;
922 u32 val;
923 key = custom;
924 while ((key = strchr(key, '\n')) != NULL) {
925 key++;
926 value = strchr(key, '=');
927 if (value == NULL)
928 continue;
929 *value++ = '\0';
930 val = strtoul(value, NULL, 10);
931 if (strcmp(key, "mac") == 0)
932 hwaddr_aton(value, drv->acct_mac);
933 else if (strcmp(key, "rx_packets") == 0)
934 drv->acct_data.rx_packets = val;
935 else if (strcmp(key, "tx_packets") == 0)
936 drv->acct_data.tx_packets = val;
937 else if (strcmp(key, "rx_bytes") == 0)
938 drv->acct_data.rx_bytes = val;
939 else if (strcmp(key, "tx_bytes") == 0)
940 drv->acct_data.tx_bytes = val;
941 key = value;
942 }
943 }
944 }
945
946 static void
947 madwifi_wireless_event_wireless(struct madwifi_driver_data *drv,
948 char *data, int len)
949 {
950 struct iw_event iwe_buf, *iwe = &iwe_buf;
951 char *pos, *end, *custom, *buf;
952
953 pos = data;
954 end = data + len;
955
956 while (pos + IW_EV_LCP_LEN <= end) {
957 /* Event data may be unaligned, so make a local, aligned copy
958 * before processing. */
959 memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
960 wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
961 iwe->cmd, iwe->len);
962 if (iwe->len <= IW_EV_LCP_LEN)
963 return;
964
965 custom = pos + IW_EV_POINT_LEN;
966 if (drv->we_version > 18 &&
967 (iwe->cmd == IWEVMICHAELMICFAILURE ||
968 iwe->cmd == IWEVCUSTOM)) {
969 /* WE-19 removed the pointer from struct iw_point */
970 char *dpos = (char *) &iwe_buf.u.data.length;
971 int dlen = dpos - (char *) &iwe_buf;
972 memcpy(dpos, pos + IW_EV_LCP_LEN,
973 sizeof(struct iw_event) - dlen);
974 } else {
975 memcpy(&iwe_buf, pos, sizeof(struct iw_event));
976 custom += IW_EV_POINT_OFF;
977 }
978
979 switch (iwe->cmd) {
980 case IWEVEXPIRED:
981 drv_event_disassoc(drv->hapd,
982 (u8 *) iwe->u.addr.sa_data);
983 break;
984 case IWEVREGISTERED:
985 madwifi_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
986 break;
987 case IWEVCUSTOM:
988 if (custom + iwe->u.data.length > end)
989 return;
990 buf = malloc(iwe->u.data.length + 1);
991 if (buf == NULL)
992 return; /* XXX */
993 memcpy(buf, custom, iwe->u.data.length);
994 buf[iwe->u.data.length] = '\0';
995 madwifi_wireless_event_wireless_custom(drv, buf);
996 free(buf);
997 break;
998 }
999
1000 pos += iwe->len;
1001 }
1002 }
1003
1004
1005 static void
1006 madwifi_wireless_event_rtm_newlink(void *ctx, struct ifinfomsg *ifi,
1007 u8 *buf, size_t len)
1008 {
1009 struct madwifi_driver_data *drv = ctx;
1010 int attrlen, rta_len;
1011 struct rtattr *attr;
1012
1013 if (ifi->ifi_index != drv->ifindex)
1014 return;
1015
1016 attrlen = len;
1017 attr = (struct rtattr *) buf;
1018
1019 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1020 while (RTA_OK(attr, attrlen)) {
1021 if (attr->rta_type == IFLA_WIRELESS) {
1022 madwifi_wireless_event_wireless(
1023 drv, ((char *) attr) + rta_len,
1024 attr->rta_len - rta_len);
1025 }
1026 attr = RTA_NEXT(attr, attrlen);
1027 }
1028 }
1029
1030
1031 static int
1032 madwifi_get_we_version(struct madwifi_driver_data *drv)
1033 {
1034 struct iw_range *range;
1035 struct iwreq iwr;
1036 int minlen;
1037 size_t buflen;
1038
1039 drv->we_version = 0;
1040
1041 /*
1042 * Use larger buffer than struct iw_range in order to allow the
1043 * structure to grow in the future.
1044 */
1045 buflen = sizeof(struct iw_range) + 500;
1046 range = os_zalloc(buflen);
1047 if (range == NULL)
1048 return -1;
1049
1050 memset(&iwr, 0, sizeof(iwr));
1051 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1052 iwr.u.data.pointer = (caddr_t) range;
1053 iwr.u.data.length = buflen;
1054
1055 minlen = ((char *) &range->enc_capa) - (char *) range +
1056 sizeof(range->enc_capa);
1057
1058 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
1059 perror("ioctl[SIOCGIWRANGE]");
1060 free(range);
1061 return -1;
1062 } else if (iwr.u.data.length >= minlen &&
1063 range->we_version_compiled >= 18) {
1064 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
1065 "WE(source)=%d enc_capa=0x%x",
1066 range->we_version_compiled,
1067 range->we_version_source,
1068 range->enc_capa);
1069 drv->we_version = range->we_version_compiled;
1070 }
1071
1072 free(range);
1073 return 0;
1074 }
1075
1076
1077 static int
1078 madwifi_wireless_event_init(struct madwifi_driver_data *drv)
1079 {
1080 struct netlink_config *cfg;
1081
1082 madwifi_get_we_version(drv);
1083
1084 cfg = os_zalloc(sizeof(*cfg));
1085 if (cfg == NULL)
1086 return -1;
1087 cfg->ctx = drv;
1088 cfg->newlink_cb = madwifi_wireless_event_rtm_newlink;
1089 drv->netlink = netlink_init(cfg);
1090 if (drv->netlink == NULL) {
1091 os_free(cfg);
1092 return -1;
1093 }
1094
1095 return 0;
1096 }
1097
1098
1099 static int
1100 madwifi_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
1101 int encrypt, const u8 *own_addr)
1102 {
1103 struct madwifi_driver_data *drv = priv;
1104 unsigned char buf[3000];
1105 unsigned char *bp = buf;
1106 struct l2_ethhdr *eth;
1107 size_t len;
1108 int status;
1109
1110 /*
1111 * Prepend the Ethernet header. If the caller left us
1112 * space at the front we could just insert it but since
1113 * we don't know we copy to a local buffer. Given the frequency
1114 * and size of frames this probably doesn't matter.
1115 */
1116 len = data_len + sizeof(struct l2_ethhdr);
1117 if (len > sizeof(buf)) {
1118 bp = malloc(len);
1119 if (bp == NULL) {
1120 printf("EAPOL frame discarded, cannot malloc temp "
1121 "buffer of size %lu!\n", (unsigned long) len);
1122 return -1;
1123 }
1124 }
1125 eth = (struct l2_ethhdr *) bp;
1126 memcpy(eth->h_dest, addr, ETH_ALEN);
1127 memcpy(eth->h_source, own_addr, ETH_ALEN);
1128 eth->h_proto = host_to_be16(ETH_P_EAPOL);
1129 memcpy(eth+1, data, data_len);
1130
1131 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
1132
1133 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
1134
1135 if (bp != buf)
1136 free(bp);
1137 return status;
1138 }
1139
1140 static void
1141 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
1142 {
1143 struct madwifi_driver_data *drv = ctx;
1144 union wpa_event_data event;
1145 os_memset(&event, 0, sizeof(event));
1146 event.eapol_rx.src = src_addr;
1147 event.eapol_rx.data = buf + sizeof(struct l2_ethhdr);
1148 event.eapol_rx.data_len = len - sizeof(struct l2_ethhdr);
1149 wpa_supplicant_event(drv->hapd, EVENT_EAPOL_RX, &event);
1150 }
1151
1152 static void *
1153 madwifi_init(struct hostapd_data *hapd, struct wpa_init_params *params)
1154 {
1155 struct madwifi_driver_data *drv;
1156 struct ifreq ifr;
1157 struct iwreq iwr;
1158
1159 drv = os_zalloc(sizeof(struct madwifi_driver_data));
1160 if (drv == NULL) {
1161 printf("Could not allocate memory for madwifi driver data\n");
1162 return NULL;
1163 }
1164
1165 drv->hapd = hapd;
1166 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
1167 if (drv->ioctl_sock < 0) {
1168 perror("socket[PF_INET,SOCK_DGRAM]");
1169 goto bad;
1170 }
1171 memcpy(drv->iface, params->ifname, sizeof(drv->iface));
1172
1173 memset(&ifr, 0, sizeof(ifr));
1174 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
1175 if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
1176 perror("ioctl(SIOCGIFINDEX)");
1177 goto bad;
1178 }
1179 drv->ifindex = ifr.ifr_ifindex;
1180
1181 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
1182 handle_read, drv, 1);
1183 if (drv->sock_xmit == NULL)
1184 goto bad;
1185 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
1186 goto bad;
1187 if (params->bridge[0]) {
1188 wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
1189 params->bridge[0]);
1190 drv->sock_recv = l2_packet_init(params->bridge[0], NULL,
1191 ETH_P_EAPOL, handle_read, drv,
1192 1);
1193 if (drv->sock_recv == NULL)
1194 goto bad;
1195 } else
1196 drv->sock_recv = drv->sock_xmit;
1197
1198 memset(&iwr, 0, sizeof(iwr));
1199 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1200
1201 iwr.u.mode = IW_MODE_MASTER;
1202
1203 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
1204 perror("ioctl[SIOCSIWMODE]");
1205 printf("Could not set interface to master mode!\n");
1206 goto bad;
1207 }
1208
1209 madwifi_set_iface_flags(drv, 0); /* mark down during setup */
1210 madwifi_set_privacy(drv->iface, drv, 0); /* default to no privacy */
1211
1212 madwifi_receive_probe_req(drv);
1213
1214 if (madwifi_wireless_event_init(drv))
1215 goto bad;
1216
1217 return drv;
1218 bad:
1219 if (drv->sock_xmit != NULL)
1220 l2_packet_deinit(drv->sock_xmit);
1221 if (drv->ioctl_sock >= 0)
1222 close(drv->ioctl_sock);
1223 if (drv != NULL)
1224 free(drv);
1225 return NULL;
1226 }
1227
1228
1229 static void
1230 madwifi_deinit(void *priv)
1231 {
1232 struct madwifi_driver_data *drv = priv;
1233
1234 netlink_deinit(drv->netlink);
1235 (void) madwifi_set_iface_flags(drv, 0);
1236 if (drv->ioctl_sock >= 0)
1237 close(drv->ioctl_sock);
1238 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1239 l2_packet_deinit(drv->sock_recv);
1240 if (drv->sock_xmit != NULL)
1241 l2_packet_deinit(drv->sock_xmit);
1242 if (drv->sock_raw)
1243 l2_packet_deinit(drv->sock_raw);
1244 free(drv);
1245 }
1246
1247 static int
1248 madwifi_set_ssid(const char *ifname, void *priv, const u8 *buf, int len)
1249 {
1250 struct madwifi_driver_data *drv = priv;
1251 struct iwreq iwr;
1252
1253 memset(&iwr, 0, sizeof(iwr));
1254 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1255 iwr.u.essid.flags = 1; /* SSID active */
1256 iwr.u.essid.pointer = (caddr_t) buf;
1257 iwr.u.essid.length = len + 1;
1258
1259 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
1260 perror("ioctl[SIOCSIWESSID]");
1261 printf("len=%d\n", len);
1262 return -1;
1263 }
1264 return 0;
1265 }
1266
1267 static int
1268 madwifi_get_ssid(const char *ifname, void *priv, u8 *buf, int len)
1269 {
1270 struct madwifi_driver_data *drv = priv;
1271 struct iwreq iwr;
1272 int ret = 0;
1273
1274 memset(&iwr, 0, sizeof(iwr));
1275 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1276 iwr.u.essid.pointer = (caddr_t) buf;
1277 iwr.u.essid.length = len;
1278
1279 if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
1280 perror("ioctl[SIOCGIWESSID]");
1281 ret = -1;
1282 } else
1283 ret = iwr.u.essid.length;
1284
1285 return ret;
1286 }
1287
1288 static int
1289 madwifi_set_countermeasures(void *priv, int enabled)
1290 {
1291 struct madwifi_driver_data *drv = priv;
1292 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1293 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
1294 }
1295
1296 static int
1297 madwifi_commit(void *priv)
1298 {
1299 return madwifi_set_iface_flags(priv, 1);
1300 }
1301
1302 #else /* HOSTAPD */
1303
1304 struct wpa_driver_madwifi_data {
1305 void *wext; /* private data for driver_wext */
1306 void *ctx;
1307 char ifname[IFNAMSIZ + 1];
1308 int sock;
1309 };
1310
1311 static int wpa_driver_madwifi_set_auth_alg(void *priv, int auth_alg);
1312 static int wpa_driver_madwifi_set_probe_req_ie(void *priv, const u8 *ies,
1313 size_t ies_len);
1314
1315
1316 static int
1317 set80211priv(struct wpa_driver_madwifi_data *drv, int op, void *data, int len,
1318 int show_err)
1319 {
1320 struct iwreq iwr;
1321
1322 os_memset(&iwr, 0, sizeof(iwr));
1323 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1324 if (len < IFNAMSIZ &&
1325 op != IEEE80211_IOCTL_SET_APPIEBUF) {
1326 /*
1327 * Argument data fits inline; put it there.
1328 */
1329 os_memcpy(iwr.u.name, data, len);
1330 } else {
1331 /*
1332 * Argument data too big for inline transfer; setup a
1333 * parameter block instead; the kernel will transfer
1334 * the data for the driver.
1335 */
1336 iwr.u.data.pointer = data;
1337 iwr.u.data.length = len;
1338 }
1339
1340 if (ioctl(drv->sock, op, &iwr) < 0) {
1341 if (show_err) {
1342 #ifdef MADWIFI_NG
1343 int first = IEEE80211_IOCTL_SETPARAM;
1344 int last = IEEE80211_IOCTL_KICKMAC;
1345 static const char *opnames[] = {
1346 "ioctl[IEEE80211_IOCTL_SETPARAM]",
1347 "ioctl[IEEE80211_IOCTL_GETPARAM]",
1348 "ioctl[IEEE80211_IOCTL_SETMODE]",
1349 "ioctl[IEEE80211_IOCTL_GETMODE]",
1350 "ioctl[IEEE80211_IOCTL_SETWMMPARAMS]",
1351 "ioctl[IEEE80211_IOCTL_GETWMMPARAMS]",
1352 "ioctl[IEEE80211_IOCTL_SETCHANLIST]",
1353 "ioctl[IEEE80211_IOCTL_GETCHANLIST]",
1354 "ioctl[IEEE80211_IOCTL_CHANSWITCH]",
1355 NULL,
1356 "ioctl[IEEE80211_IOCTL_SET_APPIEBUF]",
1357 "ioctl[IEEE80211_IOCTL_GETSCANRESULTS]",
1358 NULL,
1359 "ioctl[IEEE80211_IOCTL_GETCHANINFO]",
1360 "ioctl[IEEE80211_IOCTL_SETOPTIE]",
1361 "ioctl[IEEE80211_IOCTL_GETOPTIE]",
1362 "ioctl[IEEE80211_IOCTL_SETMLME]",
1363 NULL,
1364 "ioctl[IEEE80211_IOCTL_SETKEY]",
1365 NULL,
1366 "ioctl[IEEE80211_IOCTL_DELKEY]",
1367 NULL,
1368 "ioctl[IEEE80211_IOCTL_ADDMAC]",
1369 NULL,
1370 "ioctl[IEEE80211_IOCTL_DELMAC]",
1371 NULL,
1372 "ioctl[IEEE80211_IOCTL_WDSMAC]",
1373 NULL,
1374 "ioctl[IEEE80211_IOCTL_WDSDELMAC]",
1375 NULL,
1376 "ioctl[IEEE80211_IOCTL_KICKMAC]",
1377 };
1378 #else /* MADWIFI_NG */
1379 int first = IEEE80211_IOCTL_SETPARAM;
1380 int last = IEEE80211_IOCTL_CHANLIST;
1381 static const char *opnames[] = {
1382 "ioctl[IEEE80211_IOCTL_SETPARAM]",
1383 "ioctl[IEEE80211_IOCTL_GETPARAM]",
1384 "ioctl[IEEE80211_IOCTL_SETKEY]",
1385 "ioctl[IEEE80211_IOCTL_GETKEY]",
1386 "ioctl[IEEE80211_IOCTL_DELKEY]",
1387 NULL,
1388 "ioctl[IEEE80211_IOCTL_SETMLME]",
1389 NULL,
1390 "ioctl[IEEE80211_IOCTL_SETOPTIE]",
1391 "ioctl[IEEE80211_IOCTL_GETOPTIE]",
1392 "ioctl[IEEE80211_IOCTL_ADDMAC]",
1393 NULL,
1394 "ioctl[IEEE80211_IOCTL_DELMAC]",
1395 NULL,
1396 "ioctl[IEEE80211_IOCTL_CHANLIST]",
1397 };
1398 #endif /* MADWIFI_NG */
1399 int idx = op - first;
1400 if (first <= op && op <= last &&
1401 idx < (int) (sizeof(opnames) / sizeof(opnames[0]))
1402 && opnames[idx])
1403 perror(opnames[idx]);
1404 else
1405 perror("ioctl[unknown???]");
1406 }
1407 return -1;
1408 }
1409 return 0;
1410 }
1411
1412 static int
1413 set80211param(struct wpa_driver_madwifi_data *drv, int op, int arg,
1414 int show_err)
1415 {
1416 struct iwreq iwr;
1417
1418 os_memset(&iwr, 0, sizeof(iwr));
1419 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1420 iwr.u.mode = op;
1421 os_memcpy(iwr.u.name+sizeof(u32), &arg, sizeof(arg));
1422
1423 if (ioctl(drv->sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
1424 if (show_err)
1425 perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
1426 return -1;
1427 }
1428 return 0;
1429 }
1430
1431 static int
1432 wpa_driver_madwifi_set_wpa_ie(struct wpa_driver_madwifi_data *drv,
1433 const u8 *wpa_ie, size_t wpa_ie_len)
1434 {
1435 struct iwreq iwr;
1436
1437 os_memset(&iwr, 0, sizeof(iwr));
1438 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1439 /* NB: SETOPTIE is not fixed-size so must not be inlined */
1440 iwr.u.data.pointer = (void *) wpa_ie;
1441 iwr.u.data.length = wpa_ie_len;
1442
1443 if (ioctl(drv->sock, IEEE80211_IOCTL_SETOPTIE, &iwr) < 0) {
1444 perror("ioctl[IEEE80211_IOCTL_SETOPTIE]");
1445 return -1;
1446 }
1447 return 0;
1448 }
1449
1450 static int
1451 wpa_driver_madwifi_del_key(struct wpa_driver_madwifi_data *drv, int key_idx,
1452 const u8 *addr)
1453 {
1454 struct ieee80211req_del_key wk;
1455
1456 wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __FUNCTION__, key_idx);
1457 os_memset(&wk, 0, sizeof(wk));
1458 wk.idk_keyix = key_idx;
1459 if (addr != NULL)
1460 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
1461
1462 return set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk), 1);
1463 }
1464
1465 static int
1466 wpa_driver_madwifi_set_key(const char *ifname, void *priv, enum wpa_alg alg,
1467 const u8 *addr, int key_idx, int set_tx,
1468 const u8 *seq, size_t seq_len,
1469 const u8 *key, size_t key_len)
1470 {
1471 struct wpa_driver_madwifi_data *drv = priv;
1472 struct ieee80211req_key wk;
1473 char *alg_name;
1474 u_int8_t cipher;
1475
1476 if (alg == WPA_ALG_NONE)
1477 return wpa_driver_madwifi_del_key(drv, key_idx, addr);
1478
1479 switch (alg) {
1480 case WPA_ALG_WEP:
1481 if (addr == NULL || os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
1482 ETH_ALEN) == 0) {
1483 /*
1484 * madwifi did not seem to like static WEP key
1485 * configuration with IEEE80211_IOCTL_SETKEY, so use
1486 * Linux wireless extensions ioctl for this.
1487 */
1488 return wpa_driver_wext_set_key(ifname, drv->wext, alg,
1489 addr, key_idx, set_tx,
1490 seq, seq_len,
1491 key, key_len);
1492 }
1493 alg_name = "WEP";
1494 cipher = IEEE80211_CIPHER_WEP;
1495 break;
1496 case WPA_ALG_TKIP:
1497 alg_name = "TKIP";
1498 cipher = IEEE80211_CIPHER_TKIP;
1499 break;
1500 case WPA_ALG_CCMP:
1501 alg_name = "CCMP";
1502 cipher = IEEE80211_CIPHER_AES_CCM;
1503 break;
1504 default:
1505 wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d",
1506 __FUNCTION__, alg);
1507 return -1;
1508 }
1509
1510 wpa_printf(MSG_DEBUG, "%s: alg=%s key_idx=%d set_tx=%d seq_len=%lu "
1511 "key_len=%lu", __FUNCTION__, alg_name, key_idx, set_tx,
1512 (unsigned long) seq_len, (unsigned long) key_len);
1513
1514 if (seq_len > sizeof(u_int64_t)) {
1515 wpa_printf(MSG_DEBUG, "%s: seq_len %lu too big",
1516 __FUNCTION__, (unsigned long) seq_len);
1517 return -2;
1518 }
1519 if (key_len > sizeof(wk.ik_keydata)) {
1520 wpa_printf(MSG_DEBUG, "%s: key length %lu too big",
1521 __FUNCTION__, (unsigned long) key_len);
1522 return -3;
1523 }
1524
1525 os_memset(&wk, 0, sizeof(wk));
1526 wk.ik_type = cipher;
1527 wk.ik_flags = IEEE80211_KEY_RECV;
1528 if (addr == NULL ||
1529 os_memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0)
1530 wk.ik_flags |= IEEE80211_KEY_GROUP;
1531 if (set_tx) {
1532 wk.ik_flags |= IEEE80211_KEY_XMIT | IEEE80211_KEY_DEFAULT;
1533 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
1534 } else
1535 os_memset(wk.ik_macaddr, 0, IEEE80211_ADDR_LEN);
1536 wk.ik_keyix = key_idx;
1537 wk.ik_keylen = key_len;
1538 #ifdef WORDS_BIGENDIAN
1539 #define WPA_KEY_RSC_LEN 8
1540 {
1541 size_t i;
1542 u8 tmp[WPA_KEY_RSC_LEN];
1543 os_memset(tmp, 0, sizeof(tmp));
1544 for (i = 0; i < seq_len; i++)
1545 tmp[WPA_KEY_RSC_LEN - i - 1] = seq[i];
1546 os_memcpy(&wk.ik_keyrsc, tmp, WPA_KEY_RSC_LEN);
1547 }
1548 #else /* WORDS_BIGENDIAN */
1549 os_memcpy(&wk.ik_keyrsc, seq, seq_len);
1550 #endif /* WORDS_BIGENDIAN */
1551 os_memcpy(wk.ik_keydata, key, key_len);
1552
1553 return set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk), 1);
1554 }
1555
1556 static int
1557 wpa_driver_madwifi_set_countermeasures(void *priv, int enabled)
1558 {
1559 struct wpa_driver_madwifi_data *drv = priv;
1560 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1561 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled, 1);
1562 }
1563
1564 static int
1565 wpa_driver_madwifi_deauthenticate(void *priv, const u8 *addr, int reason_code)
1566 {
1567 struct wpa_driver_madwifi_data *drv = priv;
1568 struct ieee80211req_mlme mlme;
1569
1570 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1571 mlme.im_op = IEEE80211_MLME_DEAUTH;
1572 mlme.im_reason = reason_code;
1573 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1574 return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1);
1575 }
1576
1577 static int
1578 wpa_driver_madwifi_disassociate(void *priv, const u8 *addr, int reason_code)
1579 {
1580 struct wpa_driver_madwifi_data *drv = priv;
1581 struct ieee80211req_mlme mlme;
1582
1583 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1584 mlme.im_op = IEEE80211_MLME_DISASSOC;
1585 mlme.im_reason = reason_code;
1586 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1587 return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1);
1588 }
1589
1590 static int
1591 wpa_driver_madwifi_associate(void *priv,
1592 struct wpa_driver_associate_params *params)
1593 {
1594 struct wpa_driver_madwifi_data *drv = priv;
1595 struct ieee80211req_mlme mlme;
1596 int ret = 0, privacy = 1;
1597
1598 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1599
1600 if (set80211param(drv, IEEE80211_PARAM_DROPUNENCRYPTED,
1601 params->drop_unencrypted, 1) < 0)
1602 ret = -1;
1603 if (wpa_driver_madwifi_set_auth_alg(drv, params->auth_alg) < 0)
1604 ret = -1;
1605
1606 /*
1607 * NB: Don't need to set the freq or cipher-related state as
1608 * this is implied by the bssid which is used to locate
1609 * the scanned node state which holds it. The ssid is
1610 * needed to disambiguate an AP that broadcasts multiple
1611 * ssid's but uses the same bssid.
1612 */
1613 /* XXX error handling is wrong but unclear what to do... */
1614 if (wpa_driver_madwifi_set_wpa_ie(drv, params->wpa_ie,
1615 params->wpa_ie_len) < 0)
1616 ret = -1;
1617
1618 if (params->pairwise_suite == CIPHER_NONE &&
1619 params->group_suite == CIPHER_NONE &&
1620 params->key_mgmt_suite == KEY_MGMT_NONE &&
1621 params->wpa_ie_len == 0)
1622 privacy = 0;
1623
1624 if (set80211param(drv, IEEE80211_PARAM_PRIVACY, privacy, 1) < 0)
1625 ret = -1;
1626
1627 if (params->wpa_ie_len &&
1628 set80211param(drv, IEEE80211_PARAM_WPA,
1629 params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1, 1) < 0)
1630 ret = -1;
1631
1632 if (params->bssid == NULL) {
1633 /* ap_scan=2 mode - driver takes care of AP selection and
1634 * roaming */
1635 /* FIX: this does not seem to work; would probably need to
1636 * change something in the driver */
1637 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0)
1638 ret = -1;
1639
1640 if (wpa_driver_wext_set_ssid(drv->wext, params->ssid,
1641 params->ssid_len) < 0)
1642 ret = -1;
1643 } else {
1644 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0)
1645 ret = -1;
1646 if (wpa_driver_wext_set_ssid(drv->wext, params->ssid,
1647 params->ssid_len) < 0)
1648 ret = -1;
1649 os_memset(&mlme, 0, sizeof(mlme));
1650 mlme.im_op = IEEE80211_MLME_ASSOC;
1651 os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
1652 if (set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
1653 sizeof(mlme), 1) < 0) {
1654 wpa_printf(MSG_DEBUG, "%s: SETMLME[ASSOC] failed",
1655 __func__);
1656 ret = -1;
1657 }
1658 }
1659
1660 return ret;
1661 }
1662
1663 static int
1664 wpa_driver_madwifi_set_auth_alg(void *priv, int auth_alg)
1665 {
1666 struct wpa_driver_madwifi_data *drv = priv;
1667 int authmode;
1668
1669 if ((auth_alg & AUTH_ALG_OPEN_SYSTEM) &&
1670 (auth_alg & AUTH_ALG_SHARED_KEY))
1671 authmode = IEEE80211_AUTH_AUTO;
1672 else if (auth_alg & AUTH_ALG_SHARED_KEY)
1673 authmode = IEEE80211_AUTH_SHARED;
1674 else
1675 authmode = IEEE80211_AUTH_OPEN;
1676
1677 return set80211param(drv, IEEE80211_PARAM_AUTHMODE, authmode, 1);
1678 }
1679
1680 static int
1681 wpa_driver_madwifi_scan(void *priv, struct wpa_driver_scan_params *params)
1682 {
1683 struct wpa_driver_madwifi_data *drv = priv;
1684 struct iwreq iwr;
1685 int ret = 0;
1686 const u8 *ssid = params->ssids[0].ssid;
1687 size_t ssid_len = params->ssids[0].ssid_len;
1688
1689 wpa_driver_madwifi_set_probe_req_ie(drv, params->extra_ies,
1690 params->extra_ies_len);
1691
1692 os_memset(&iwr, 0, sizeof(iwr));
1693 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1694
1695 /* set desired ssid before scan */
1696 /* FIX: scan should not break the current association, so using
1697 * set_ssid may not be the best way of doing this.. */
1698 if (wpa_driver_wext_set_ssid(drv->wext, ssid, ssid_len) < 0)
1699 ret = -1;
1700
1701 if (ioctl(drv->sock, SIOCSIWSCAN, &iwr) < 0) {
1702 perror("ioctl[SIOCSIWSCAN]");
1703 ret = -1;
1704 }
1705
1706 /*
1707 * madwifi delivers a scan complete event so no need to poll, but
1708 * register a backup timeout anyway to make sure that we recover even
1709 * if the driver does not send this event for any reason. This timeout
1710 * will only be used if the event is not delivered (event handler will
1711 * cancel the timeout).
1712 */
1713 eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv->wext,
1714 drv->ctx);
1715 eloop_register_timeout(30, 0, wpa_driver_wext_scan_timeout, drv->wext,
1716 drv->ctx);
1717
1718 return ret;
1719 }
1720
1721 static int wpa_driver_madwifi_get_bssid(void *priv, u8 *bssid)
1722 {
1723 struct wpa_driver_madwifi_data *drv = priv;
1724 return wpa_driver_wext_get_bssid(drv->wext, bssid);
1725 }
1726
1727
1728 static int wpa_driver_madwifi_get_ssid(void *priv, u8 *ssid)
1729 {
1730 struct wpa_driver_madwifi_data *drv = priv;
1731 return wpa_driver_wext_get_ssid(drv->wext, ssid);
1732 }
1733
1734
1735 static struct wpa_scan_results *
1736 wpa_driver_madwifi_get_scan_results(void *priv)
1737 {
1738 struct wpa_driver_madwifi_data *drv = priv;
1739 return wpa_driver_wext_get_scan_results(drv->wext);
1740 }
1741
1742
1743 static int wpa_driver_madwifi_set_operstate(void *priv, int state)
1744 {
1745 struct wpa_driver_madwifi_data *drv = priv;
1746 return wpa_driver_wext_set_operstate(drv->wext, state);
1747 }
1748
1749
1750 static int wpa_driver_madwifi_set_probe_req_ie(void *priv, const u8 *ies,
1751 size_t ies_len)
1752 {
1753 struct ieee80211req_getset_appiebuf *probe_req_ie;
1754 int ret;
1755
1756 probe_req_ie = os_malloc(sizeof(*probe_req_ie) + ies_len);
1757 if (probe_req_ie == NULL)
1758 return -1;
1759
1760 probe_req_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_REQ;
1761 probe_req_ie->app_buflen = ies_len;
1762 os_memcpy(probe_req_ie->app_buf, ies, ies_len);
1763
1764 ret = set80211priv(priv, IEEE80211_IOCTL_SET_APPIEBUF, probe_req_ie,
1765 sizeof(struct ieee80211req_getset_appiebuf) +
1766 ies_len, 1);
1767
1768 os_free(probe_req_ie);
1769
1770 return ret;
1771 }
1772
1773
1774 static void * wpa_driver_madwifi_init(void *ctx, const char *ifname)
1775 {
1776 struct wpa_driver_madwifi_data *drv;
1777
1778 drv = os_zalloc(sizeof(*drv));
1779 if (drv == NULL)
1780 return NULL;
1781 drv->wext = wpa_driver_wext_init(ctx, ifname);
1782 if (drv->wext == NULL)
1783 goto fail;
1784
1785 drv->ctx = ctx;
1786 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
1787 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
1788 if (drv->sock < 0)
1789 goto fail2;
1790
1791 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0) {
1792 wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based "
1793 "roaming", __FUNCTION__);
1794 goto fail3;
1795 }
1796
1797 if (set80211param(drv, IEEE80211_PARAM_WPA, 3, 1) < 0) {
1798 wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support",
1799 __FUNCTION__);
1800 goto fail3;
1801 }
1802
1803 return drv;
1804
1805 fail3:
1806 close(drv->sock);
1807 fail2:
1808 wpa_driver_wext_deinit(drv->wext);
1809 fail:
1810 os_free(drv);
1811 return NULL;
1812 }
1813
1814
1815 static void wpa_driver_madwifi_deinit(void *priv)
1816 {
1817 struct wpa_driver_madwifi_data *drv = priv;
1818
1819 if (wpa_driver_madwifi_set_wpa_ie(drv, NULL, 0) < 0) {
1820 wpa_printf(MSG_DEBUG, "%s: failed to clear WPA IE",
1821 __FUNCTION__);
1822 }
1823 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0) {
1824 wpa_printf(MSG_DEBUG, "%s: failed to enable driver-based "
1825 "roaming", __FUNCTION__);
1826 }
1827 if (set80211param(drv, IEEE80211_PARAM_PRIVACY, 0, 1) < 0) {
1828 wpa_printf(MSG_DEBUG, "%s: failed to disable forced Privacy "
1829 "flag", __FUNCTION__);
1830 }
1831 if (set80211param(drv, IEEE80211_PARAM_WPA, 0, 1) < 0) {
1832 wpa_printf(MSG_DEBUG, "%s: failed to disable WPA",
1833 __FUNCTION__);
1834 }
1835
1836 wpa_driver_wext_deinit(drv->wext);
1837
1838 close(drv->sock);
1839 os_free(drv);
1840 }
1841
1842 #endif /* HOSTAPD */
1843
1844
1845 const struct wpa_driver_ops wpa_driver_madwifi_ops = {
1846 .name = "madwifi",
1847 .desc = "MADWIFI 802.11 support (Atheros, etc.)",
1848 .set_key = wpa_driver_madwifi_set_key,
1849 #ifdef HOSTAPD
1850 .hapd_init = madwifi_init,
1851 .hapd_deinit = madwifi_deinit,
1852 .set_ieee8021x = madwifi_set_ieee8021x,
1853 .set_privacy = madwifi_set_privacy,
1854 .get_seqnum = madwifi_get_seqnum,
1855 .flush = madwifi_flush,
1856 .set_generic_elem = madwifi_set_opt_ie,
1857 .sta_set_flags = madwifi_sta_set_flags,
1858 .read_sta_data = madwifi_read_sta_driver_data,
1859 .hapd_send_eapol = madwifi_send_eapol,
1860 .sta_disassoc = madwifi_sta_disassoc,
1861 .sta_deauth = madwifi_sta_deauth,
1862 .hapd_set_ssid = madwifi_set_ssid,
1863 .hapd_get_ssid = madwifi_get_ssid,
1864 .hapd_set_countermeasures = madwifi_set_countermeasures,
1865 .sta_clear_stats = madwifi_sta_clear_stats,
1866 .commit = madwifi_commit,
1867 .set_ap_wps_ie = madwifi_set_ap_wps_ie,
1868 #else /* HOSTAPD */
1869 .get_bssid = wpa_driver_madwifi_get_bssid,
1870 .get_ssid = wpa_driver_madwifi_get_ssid,
1871 .init = wpa_driver_madwifi_init,
1872 .deinit = wpa_driver_madwifi_deinit,
1873 .set_countermeasures = wpa_driver_madwifi_set_countermeasures,
1874 .scan2 = wpa_driver_madwifi_scan,
1875 .get_scan_results2 = wpa_driver_madwifi_get_scan_results,
1876 .deauthenticate = wpa_driver_madwifi_deauthenticate,
1877 .disassociate = wpa_driver_madwifi_disassociate,
1878 .associate = wpa_driver_madwifi_associate,
1879 .set_operstate = wpa_driver_madwifi_set_operstate,
1880 #endif /* HOSTAPD */
1881 };
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