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Merge wpa_supplicant and hostapd driver wrapper implementations
[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
17 #include "includes.h"
18 #include <sys/ioctl.h>
19
20 #include "common.h"
21 #include "driver.h"
22 #include "driver_wext.h"
23 #include "eloop.h"
24 #include "ieee802_11_defs.h"
25 #include "wireless_copy.h"
26
27 /*
28 * Avoid conflicts with wpa_supplicant definitions by undefining a definition.
29 */
30 #undef WME_OUI_TYPE
31
32 #include <include/compat.h>
33 #include <net80211/ieee80211.h>
34 #ifdef WME_NUM_AC
35 /* Assume this is built against BSD branch of madwifi driver. */
36 #define MADWIFI_BSD
37 #include <net80211/_ieee80211.h>
38 #endif /* WME_NUM_AC */
39 #include <net80211/ieee80211_crypto.h>
40 #include <net80211/ieee80211_ioctl.h>
41
42 #ifdef CONFIG_WPS
43 #ifdef IEEE80211_IOCTL_FILTERFRAME
44 #include <netpacket/packet.h>
45
46 #ifndef ETH_P_80211_RAW
47 #define ETH_P_80211_RAW 0x0019
48 #endif
49 #endif /* IEEE80211_IOCTL_FILTERFRAME */
50 #endif /* CONFIG_WPS */
51
52 /*
53 * Avoid conflicts with hostapd definitions by undefining couple of defines
54 * from madwifi header files.
55 */
56 #undef RSN_VERSION
57 #undef WPA_VERSION
58 #undef WPA_OUI_TYPE
59 #undef WME_OUI_TYPE
60
61
62 #ifdef IEEE80211_IOCTL_SETWMMPARAMS
63 /* Assume this is built against madwifi-ng */
64 #define MADWIFI_NG
65 #endif /* IEEE80211_IOCTL_SETWMMPARAMS */
66
67
68 #ifdef HOSTAPD
69
70 #include "priv_netlink.h"
71 #include "l2_packet/l2_packet.h"
72 #include "../../hostapd/hostapd.h"
73 #include "../../hostapd/config.h"
74 #include "../../hostapd/wps_hostapd.h"
75 #include "../../hostapd/sta_flags.h"
76
77
78 struct madwifi_driver_data {
79 struct hostapd_data *hapd; /* back pointer */
80
81 char iface[IFNAMSIZ + 1];
82 int ifindex;
83 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
84 struct l2_packet_data *sock_recv; /* raw packet recv socket */
85 int ioctl_sock; /* socket for ioctl() use */
86 int wext_sock; /* socket for wireless events */
87 int we_version;
88 u8 acct_mac[ETH_ALEN];
89 struct hostap_sta_driver_data acct_data;
90
91 struct l2_packet_data *sock_raw; /* raw 802.11 management frames */
92 };
93
94 static int madwifi_sta_deauth(void *priv, const u8 *addr, int reason_code);
95
96 static int
97 set80211priv(struct madwifi_driver_data *drv, int op, void *data, int len)
98 {
99 struct iwreq iwr;
100 int do_inline = len < IFNAMSIZ;
101
102 memset(&iwr, 0, sizeof(iwr));
103 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
104 #ifdef IEEE80211_IOCTL_FILTERFRAME
105 /* FILTERFRAME must be NOT inline, regardless of size. */
106 if (op == IEEE80211_IOCTL_FILTERFRAME)
107 do_inline = 0;
108 #endif /* IEEE80211_IOCTL_FILTERFRAME */
109 if (op == IEEE80211_IOCTL_SET_APPIEBUF)
110 do_inline = 0;
111 if (do_inline) {
112 /*
113 * Argument data fits inline; put it there.
114 */
115 memcpy(iwr.u.name, data, len);
116 } else {
117 /*
118 * Argument data too big for inline transfer; setup a
119 * parameter block instead; the kernel will transfer
120 * the data for the driver.
121 */
122 iwr.u.data.pointer = data;
123 iwr.u.data.length = len;
124 }
125
126 if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
127 #ifdef MADWIFI_NG
128 int first = IEEE80211_IOCTL_SETPARAM;
129 static const char *opnames[] = {
130 "ioctl[IEEE80211_IOCTL_SETPARAM]",
131 "ioctl[IEEE80211_IOCTL_GETPARAM]",
132 "ioctl[IEEE80211_IOCTL_SETMODE]",
133 "ioctl[IEEE80211_IOCTL_GETMODE]",
134 "ioctl[IEEE80211_IOCTL_SETWMMPARAMS]",
135 "ioctl[IEEE80211_IOCTL_GETWMMPARAMS]",
136 "ioctl[IEEE80211_IOCTL_SETCHANLIST]",
137 "ioctl[IEEE80211_IOCTL_GETCHANLIST]",
138 "ioctl[IEEE80211_IOCTL_CHANSWITCH]",
139 "ioctl[IEEE80211_IOCTL_GET_APPIEBUF]",
140 "ioctl[IEEE80211_IOCTL_SET_APPIEBUF]",
141 "ioctl[IEEE80211_IOCTL_GETSCANRESULTS]",
142 "ioctl[IEEE80211_IOCTL_FILTERFRAME]",
143 "ioctl[IEEE80211_IOCTL_GETCHANINFO]",
144 "ioctl[IEEE80211_IOCTL_SETOPTIE]",
145 "ioctl[IEEE80211_IOCTL_GETOPTIE]",
146 "ioctl[IEEE80211_IOCTL_SETMLME]",
147 NULL,
148 "ioctl[IEEE80211_IOCTL_SETKEY]",
149 NULL,
150 "ioctl[IEEE80211_IOCTL_DELKEY]",
151 NULL,
152 "ioctl[IEEE80211_IOCTL_ADDMAC]",
153 NULL,
154 "ioctl[IEEE80211_IOCTL_DELMAC]",
155 NULL,
156 "ioctl[IEEE80211_IOCTL_WDSMAC]",
157 NULL,
158 "ioctl[IEEE80211_IOCTL_WDSDELMAC]",
159 NULL,
160 "ioctl[IEEE80211_IOCTL_KICKMAC]",
161 };
162 #else /* MADWIFI_NG */
163 int first = IEEE80211_IOCTL_SETPARAM;
164 static const char *opnames[] = {
165 "ioctl[IEEE80211_IOCTL_SETPARAM]",
166 "ioctl[IEEE80211_IOCTL_GETPARAM]",
167 "ioctl[IEEE80211_IOCTL_SETKEY]",
168 "ioctl[SIOCIWFIRSTPRIV+3]",
169 "ioctl[IEEE80211_IOCTL_DELKEY]",
170 "ioctl[SIOCIWFIRSTPRIV+5]",
171 "ioctl[IEEE80211_IOCTL_SETMLME]",
172 "ioctl[SIOCIWFIRSTPRIV+7]",
173 "ioctl[IEEE80211_IOCTL_SETOPTIE]",
174 "ioctl[IEEE80211_IOCTL_GETOPTIE]",
175 "ioctl[IEEE80211_IOCTL_ADDMAC]",
176 "ioctl[SIOCIWFIRSTPRIV+11]",
177 "ioctl[IEEE80211_IOCTL_DELMAC]",
178 "ioctl[SIOCIWFIRSTPRIV+13]",
179 "ioctl[IEEE80211_IOCTL_CHANLIST]",
180 "ioctl[SIOCIWFIRSTPRIV+15]",
181 "ioctl[IEEE80211_IOCTL_GETRSN]",
182 "ioctl[SIOCIWFIRSTPRIV+17]",
183 "ioctl[IEEE80211_IOCTL_GETKEY]",
184 };
185 #endif /* MADWIFI_NG */
186 int idx = op - first;
187 if (first <= op &&
188 idx < (int) (sizeof(opnames) / sizeof(opnames[0])) &&
189 opnames[idx])
190 perror(opnames[idx]);
191 else
192 perror("ioctl[unknown???]");
193 return -1;
194 }
195 return 0;
196 }
197
198 static int
199 set80211param(struct madwifi_driver_data *drv, int op, int arg)
200 {
201 struct iwreq iwr;
202
203 memset(&iwr, 0, sizeof(iwr));
204 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
205 iwr.u.mode = op;
206 memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg));
207
208 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
209 perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
210 wpa_printf(MSG_DEBUG, "%s: Failed to set parameter (op %d "
211 "arg %d)", __func__, op, arg);
212 return -1;
213 }
214 return 0;
215 }
216
217 #ifndef CONFIG_NO_STDOUT_DEBUG
218 static const char *
219 ether_sprintf(const u8 *addr)
220 {
221 static char buf[sizeof(MACSTR)];
222
223 if (addr != NULL)
224 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
225 else
226 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
227 return buf;
228 }
229 #endif /* CONFIG_NO_STDOUT_DEBUG */
230
231 /*
232 * Configure WPA parameters.
233 */
234 static int
235 madwifi_configure_wpa(struct madwifi_driver_data *drv)
236 {
237 struct hostapd_data *hapd = drv->hapd;
238 struct hostapd_bss_config *conf = hapd->conf;
239 int v;
240
241 switch (conf->wpa_group) {
242 case WPA_CIPHER_CCMP:
243 v = IEEE80211_CIPHER_AES_CCM;
244 break;
245 case WPA_CIPHER_TKIP:
246 v = IEEE80211_CIPHER_TKIP;
247 break;
248 case WPA_CIPHER_WEP104:
249 v = IEEE80211_CIPHER_WEP;
250 break;
251 case WPA_CIPHER_WEP40:
252 v = IEEE80211_CIPHER_WEP;
253 break;
254 case WPA_CIPHER_NONE:
255 v = IEEE80211_CIPHER_NONE;
256 break;
257 default:
258 wpa_printf(MSG_ERROR, "Unknown group key cipher %u",
259 conf->wpa_group);
260 return -1;
261 }
262 wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v);
263 if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
264 printf("Unable to set group key cipher to %u\n", v);
265 return -1;
266 }
267 if (v == IEEE80211_CIPHER_WEP) {
268 /* key length is done only for specific ciphers */
269 v = (conf->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
270 if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
271 printf("Unable to set group key length to %u\n", v);
272 return -1;
273 }
274 }
275
276 v = 0;
277 if (conf->wpa_pairwise & WPA_CIPHER_CCMP)
278 v |= 1<<IEEE80211_CIPHER_AES_CCM;
279 if (conf->wpa_pairwise & WPA_CIPHER_TKIP)
280 v |= 1<<IEEE80211_CIPHER_TKIP;
281 if (conf->wpa_pairwise & WPA_CIPHER_NONE)
282 v |= 1<<IEEE80211_CIPHER_NONE;
283 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
284 if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
285 printf("Unable to set pairwise key ciphers to 0x%x\n", v);
286 return -1;
287 }
288
289 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
290 __func__, conf->wpa_key_mgmt);
291 if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS, conf->wpa_key_mgmt)) {
292 printf("Unable to set key management algorithms to 0x%x\n",
293 conf->wpa_key_mgmt);
294 return -1;
295 }
296
297 v = 0;
298 if (conf->rsn_preauth)
299 v |= BIT(0);
300 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
301 __func__, conf->rsn_preauth);
302 if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
303 printf("Unable to set RSN capabilities to 0x%x\n", v);
304 return -1;
305 }
306
307 wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, conf->wpa);
308 if (set80211param(drv, IEEE80211_PARAM_WPA, conf->wpa)) {
309 printf("Unable to set WPA to %u\n", conf->wpa);
310 return -1;
311 }
312 return 0;
313 }
314
315
316 static int
317 madwifi_set_iface_flags(void *priv, int dev_up)
318 {
319 struct madwifi_driver_data *drv = priv;
320 struct ifreq ifr;
321
322 wpa_printf(MSG_DEBUG, "%s: dev_up=%d", __func__, dev_up);
323
324 if (drv->ioctl_sock < 0)
325 return -1;
326
327 memset(&ifr, 0, sizeof(ifr));
328 os_strlcpy(ifr.ifr_name, drv->iface, IFNAMSIZ);
329
330 if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
331 perror("ioctl[SIOCGIFFLAGS]");
332 return -1;
333 }
334
335 if (dev_up)
336 ifr.ifr_flags |= IFF_UP;
337 else
338 ifr.ifr_flags &= ~IFF_UP;
339
340 if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
341 perror("ioctl[SIOCSIFFLAGS]");
342 return -1;
343 }
344
345 if (dev_up) {
346 memset(&ifr, 0, sizeof(ifr));
347 os_strlcpy(ifr.ifr_name, drv->iface, IFNAMSIZ);
348 ifr.ifr_mtu = HOSTAPD_MTU;
349 if (ioctl(drv->ioctl_sock, SIOCSIFMTU, &ifr) != 0) {
350 perror("ioctl[SIOCSIFMTU]");
351 printf("Setting MTU failed - trying to survive with "
352 "current value\n");
353 }
354 }
355
356 return 0;
357 }
358
359 static int
360 madwifi_set_ieee8021x(const char *ifname, void *priv, int enabled)
361 {
362 struct madwifi_driver_data *drv = priv;
363 struct hostapd_data *hapd = drv->hapd;
364 struct hostapd_bss_config *conf = hapd->conf;
365
366 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
367
368 if (!enabled) {
369 /* XXX restore state */
370 return set80211param(priv, IEEE80211_PARAM_AUTHMODE,
371 IEEE80211_AUTH_AUTO);
372 }
373 if (!conf->wpa && !conf->ieee802_1x) {
374 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
375 HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
376 return -1;
377 }
378 if (conf->wpa && madwifi_configure_wpa(drv) != 0) {
379 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
380 HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
381 return -1;
382 }
383 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
384 (conf->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
385 hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
386 HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
387 return -1;
388 }
389
390 return 0;
391 }
392
393 static int
394 madwifi_set_privacy(const char *ifname, void *priv, int enabled)
395 {
396 struct madwifi_driver_data *drv = priv;
397
398 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
399
400 return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled);
401 }
402
403 static int
404 madwifi_set_sta_authorized(void *priv, const u8 *addr, int authorized)
405 {
406 struct madwifi_driver_data *drv = priv;
407 struct ieee80211req_mlme mlme;
408 int ret;
409
410 wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
411 __func__, ether_sprintf(addr), authorized);
412
413 if (authorized)
414 mlme.im_op = IEEE80211_MLME_AUTHORIZE;
415 else
416 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
417 mlme.im_reason = 0;
418 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
419 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
420 if (ret < 0) {
421 wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
422 __func__, authorized ? "" : "un", MAC2STR(addr));
423 }
424
425 return ret;
426 }
427
428 static int
429 madwifi_sta_set_flags(void *priv, const u8 *addr, int total_flags,
430 int flags_or, int flags_and)
431 {
432 /* For now, only support setting Authorized flag */
433 if (flags_or & WLAN_STA_AUTHORIZED)
434 return madwifi_set_sta_authorized(priv, addr, 1);
435 if (!(flags_and & WLAN_STA_AUTHORIZED))
436 return madwifi_set_sta_authorized(priv, addr, 0);
437 return 0;
438 }
439
440 static int
441 madwifi_del_key(void *priv, const u8 *addr, int key_idx)
442 {
443 struct madwifi_driver_data *drv = priv;
444 struct ieee80211req_del_key wk;
445 int ret;
446
447 wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
448 __func__, ether_sprintf(addr), key_idx);
449
450 memset(&wk, 0, sizeof(wk));
451 if (addr != NULL) {
452 memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
453 wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
454 } else {
455 wk.idk_keyix = key_idx;
456 }
457
458 ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
459 if (ret < 0) {
460 wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s"
461 " key_idx %d)", __func__, ether_sprintf(addr),
462 key_idx);
463 }
464
465 return ret;
466 }
467
468 static int
469 madwifi_set_key(const char *ifname, void *priv, wpa_alg alg,
470 const u8 *addr, int key_idx, int set_tx, const u8 *seq,
471 size_t seq_len, const u8 *key, size_t key_len)
472 {
473 struct madwifi_driver_data *drv = priv;
474 struct ieee80211req_key wk;
475 u_int8_t cipher;
476 int ret;
477
478 if (alg == WPA_ALG_NONE)
479 return madwifi_del_key(drv, addr, key_idx);
480
481 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
482 __func__, alg, ether_sprintf(addr), key_idx);
483
484 if (alg == WPA_ALG_WEP)
485 cipher = IEEE80211_CIPHER_WEP;
486 else if (alg == WPA_ALG_TKIP)
487 cipher = IEEE80211_CIPHER_TKIP;
488 else if (alg == WPA_ALG_CCMP)
489 cipher = IEEE80211_CIPHER_AES_CCM;
490 else {
491 printf("%s: unknown/unsupported algorithm %d\n",
492 __func__, alg);
493 return -1;
494 }
495
496 if (key_len > sizeof(wk.ik_keydata)) {
497 printf("%s: key length %lu too big\n", __func__,
498 (unsigned long) key_len);
499 return -3;
500 }
501
502 memset(&wk, 0, sizeof(wk));
503 wk.ik_type = cipher;
504 wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
505 if (addr == NULL) {
506 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
507 wk.ik_keyix = key_idx;
508 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
509 } else {
510 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
511 wk.ik_keyix = IEEE80211_KEYIX_NONE;
512 }
513 wk.ik_keylen = key_len;
514 memcpy(wk.ik_keydata, key, key_len);
515
516 ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
517 if (ret < 0) {
518 wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s"
519 " key_idx %d alg %d key_len %lu set_tx %d)",
520 __func__, ether_sprintf(wk.ik_macaddr), key_idx,
521 alg, (unsigned long) key_len, set_tx);
522 }
523
524 return ret;
525 }
526
527
528 static int
529 madwifi_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
530 u8 *seq)
531 {
532 struct madwifi_driver_data *drv = priv;
533 struct ieee80211req_key wk;
534
535 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
536 __func__, ether_sprintf(addr), idx);
537
538 memset(&wk, 0, sizeof(wk));
539 if (addr == NULL)
540 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
541 else
542 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
543 wk.ik_keyix = idx;
544
545 if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
546 wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data "
547 "(addr " MACSTR " key_idx %d)",
548 __func__, MAC2STR(wk.ik_macaddr), idx);
549 return -1;
550 }
551
552 #ifdef WORDS_BIGENDIAN
553 {
554 /*
555 * wk.ik_keytsc is in host byte order (big endian), need to
556 * swap it to match with the byte order used in WPA.
557 */
558 int i;
559 u8 tmp[WPA_KEY_RSC_LEN];
560 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
561 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
562 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
563 }
564 }
565 #else /* WORDS_BIGENDIAN */
566 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
567 #endif /* WORDS_BIGENDIAN */
568 return 0;
569 }
570
571
572 static int
573 madwifi_flush(void *priv)
574 {
575 #ifdef MADWIFI_BSD
576 u8 allsta[IEEE80211_ADDR_LEN];
577 memset(allsta, 0xff, IEEE80211_ADDR_LEN);
578 return madwifi_sta_deauth(priv, allsta, IEEE80211_REASON_AUTH_LEAVE);
579 #else /* MADWIFI_BSD */
580 return 0; /* XXX */
581 #endif /* MADWIFI_BSD */
582 }
583
584
585 static int
586 madwifi_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
587 const u8 *addr)
588 {
589 struct madwifi_driver_data *drv = priv;
590
591 #ifdef MADWIFI_BSD
592 struct ieee80211req_sta_stats stats;
593
594 memset(data, 0, sizeof(*data));
595
596 /*
597 * Fetch statistics for station from the system.
598 */
599 memset(&stats, 0, sizeof(stats));
600 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
601 if (set80211priv(drv,
602 #ifdef MADWIFI_NG
603 IEEE80211_IOCTL_STA_STATS,
604 #else /* MADWIFI_NG */
605 IEEE80211_IOCTL_GETSTASTATS,
606 #endif /* MADWIFI_NG */
607 &stats, sizeof(stats))) {
608 wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
609 MACSTR ")", __func__, MAC2STR(addr));
610 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
611 memcpy(data, &drv->acct_data, sizeof(*data));
612 return 0;
613 }
614
615 printf("Failed to get station stats information element.\n");
616 return -1;
617 }
618
619 data->rx_packets = stats.is_stats.ns_rx_data;
620 data->rx_bytes = stats.is_stats.ns_rx_bytes;
621 data->tx_packets = stats.is_stats.ns_tx_data;
622 data->tx_bytes = stats.is_stats.ns_tx_bytes;
623 return 0;
624
625 #else /* MADWIFI_BSD */
626
627 char buf[1024], line[128], *pos;
628 FILE *f;
629 unsigned long val;
630
631 memset(data, 0, sizeof(*data));
632 snprintf(buf, sizeof(buf), "/proc/net/madwifi/%s/" MACSTR,
633 drv->iface, MAC2STR(addr));
634
635 f = fopen(buf, "r");
636 if (!f) {
637 if (memcmp(addr, drv->acct_mac, ETH_ALEN) != 0)
638 return -1;
639 memcpy(data, &drv->acct_data, sizeof(*data));
640 return 0;
641 }
642 /* Need to read proc file with in one piece, so use large enough
643 * buffer. */
644 setbuffer(f, buf, sizeof(buf));
645
646 while (fgets(line, sizeof(line), f)) {
647 pos = strchr(line, '=');
648 if (!pos)
649 continue;
650 *pos++ = '\0';
651 val = strtoul(pos, NULL, 10);
652 if (strcmp(line, "rx_packets") == 0)
653 data->rx_packets = val;
654 else if (strcmp(line, "tx_packets") == 0)
655 data->tx_packets = val;
656 else if (strcmp(line, "rx_bytes") == 0)
657 data->rx_bytes = val;
658 else if (strcmp(line, "tx_bytes") == 0)
659 data->tx_bytes = val;
660 }
661
662 fclose(f);
663
664 return 0;
665 #endif /* MADWIFI_BSD */
666 }
667
668
669 static int
670 madwifi_sta_clear_stats(void *priv, const u8 *addr)
671 {
672 #if defined(MADWIFI_BSD) && defined(IEEE80211_MLME_CLEAR_STATS)
673 struct madwifi_driver_data *drv = priv;
674 struct ieee80211req_mlme mlme;
675 int ret;
676
677 wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));
678
679 mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
680 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
681 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
682 sizeof(mlme));
683 if (ret < 0) {
684 wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr "
685 MACSTR ")", __func__, MAC2STR(addr));
686 }
687
688 return ret;
689 #else /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */
690 return 0; /* FIX */
691 #endif /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */
692 }
693
694
695 static int
696 madwifi_set_opt_ie(const char *ifname, void *priv, const u8 *ie, size_t ie_len)
697 {
698 /*
699 * Do nothing; we setup parameters at startup that define the
700 * contents of the beacon information element.
701 */
702 return 0;
703 }
704
705 static int
706 madwifi_sta_deauth(void *priv, const u8 *addr, int reason_code)
707 {
708 struct madwifi_driver_data *drv = priv;
709 struct ieee80211req_mlme mlme;
710 int ret;
711
712 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
713 __func__, ether_sprintf(addr), reason_code);
714
715 mlme.im_op = IEEE80211_MLME_DEAUTH;
716 mlme.im_reason = reason_code;
717 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
718 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
719 if (ret < 0) {
720 wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
721 " reason %d)",
722 __func__, MAC2STR(addr), reason_code);
723 }
724
725 return ret;
726 }
727
728 static int
729 madwifi_sta_disassoc(void *priv, const u8 *addr, int reason_code)
730 {
731 struct madwifi_driver_data *drv = priv;
732 struct ieee80211req_mlme mlme;
733 int ret;
734
735 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
736 __func__, ether_sprintf(addr), reason_code);
737
738 mlme.im_op = IEEE80211_MLME_DISASSOC;
739 mlme.im_reason = reason_code;
740 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
741 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
742 if (ret < 0) {
743 wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
744 MACSTR " reason %d)",
745 __func__, MAC2STR(addr), reason_code);
746 }
747
748 return ret;
749 }
750
751 #ifdef CONFIG_WPS
752 #ifdef IEEE80211_IOCTL_FILTERFRAME
753 static void madwifi_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf,
754 size_t len)
755 {
756 struct madwifi_driver_data *drv = ctx;
757 const struct ieee80211_mgmt *mgmt;
758 const u8 *end, *ie;
759 u16 fc;
760 size_t ie_len;
761
762 /* Send Probe Request information to WPS processing */
763
764 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
765 return;
766 mgmt = (const struct ieee80211_mgmt *) buf;
767
768 fc = le_to_host16(mgmt->frame_control);
769 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
770 WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_PROBE_REQ)
771 return;
772
773 end = buf + len;
774 ie = mgmt->u.probe_req.variable;
775 ie_len = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
776
777 hostapd_wps_probe_req_rx(drv->hapd, mgmt->sa, ie, ie_len);
778 }
779 #endif /* IEEE80211_IOCTL_FILTERFRAME */
780 #endif /* CONFIG_WPS */
781
782 static int madwifi_receive_probe_req(struct madwifi_driver_data *drv)
783 {
784 int ret = 0;
785 #ifdef CONFIG_WPS
786 #ifdef IEEE80211_IOCTL_FILTERFRAME
787 struct ieee80211req_set_filter filt;
788
789 wpa_printf(MSG_DEBUG, "%s Enter", __func__);
790 filt.app_filterype = IEEE80211_FILTER_TYPE_PROBE_REQ;
791
792 ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
793 sizeof(struct ieee80211req_set_filter));
794 if (ret)
795 return ret;
796
797 drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW,
798 madwifi_raw_receive, drv, 1);
799 if (drv->sock_raw == NULL)
800 return -1;
801 #endif /* IEEE80211_IOCTL_FILTERFRAME */
802 #endif /* CONFIG_WPS */
803 return ret;
804 }
805
806 #ifdef CONFIG_WPS
807 static int
808 madwifi_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype)
809 {
810 struct madwifi_driver_data *drv = priv;
811 u8 buf[256];
812 struct ieee80211req_getset_appiebuf *beac_ie;
813
814 wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
815 (unsigned long) len);
816
817 beac_ie = (struct ieee80211req_getset_appiebuf *) buf;
818 beac_ie->app_frmtype = frametype;
819 beac_ie->app_buflen = len;
820 memcpy(&(beac_ie->app_buf[0]), ie, len);
821
822 return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie,
823 sizeof(struct ieee80211req_getset_appiebuf) + len);
824 }
825
826 static int
827 madwifi_set_wps_beacon_ie(const char *ifname, void *priv, const u8 *ie,
828 size_t len)
829 {
830 return madwifi_set_wps_ie(priv, ie, len, IEEE80211_APPIE_FRAME_BEACON);
831 }
832
833 static int
834 madwifi_set_wps_probe_resp_ie(const char *ifname, void *priv, const u8 *ie,
835 size_t len)
836 {
837 return madwifi_set_wps_ie(priv, ie, len,
838 IEEE80211_APPIE_FRAME_PROBE_RESP);
839 }
840 #else /* CONFIG_WPS */
841 #define madwifi_set_wps_beacon_ie NULL
842 #define madwifi_set_wps_probe_resp_ie NULL
843 #endif /* CONFIG_WPS */
844
845 static int
846 madwifi_new_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
847 {
848 struct hostapd_data *hapd = drv->hapd;
849 struct ieee80211req_wpaie ie;
850 int ielen = 0, res;
851 u8 *iebuf = NULL;
852
853 /*
854 * Fetch negotiated WPA/RSN parameters from the system.
855 */
856 memset(&ie, 0, sizeof(ie));
857 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
858 if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
859 wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE",
860 __func__);
861 goto no_ie;
862 }
863 wpa_hexdump(MSG_MSGDUMP, "madwifi req WPA IE",
864 ie.wpa_ie, IEEE80211_MAX_OPT_IE);
865 iebuf = ie.wpa_ie;
866 /* madwifi seems to return some random data if WPA/RSN IE is not set.
867 * Assume the IE was not included if the IE type is unknown. */
868 if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
869 iebuf[1] = 0;
870 #ifdef MADWIFI_NG
871 wpa_hexdump(MSG_MSGDUMP, "madwifi req RSN IE",
872 ie.rsn_ie, IEEE80211_MAX_OPT_IE);
873 if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
874 /* madwifi-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not
875 * set. This is needed for WPA2. */
876 iebuf = ie.rsn_ie;
877 if (iebuf[0] != WLAN_EID_RSN)
878 iebuf[1] = 0;
879 }
880 #endif /* MADWIFI_NG */
881
882 ielen = iebuf[1];
883 if (ielen == 0)
884 iebuf = NULL;
885 else
886 ielen += 2;
887
888 no_ie:
889 res = hostapd_notif_assoc(hapd, addr, iebuf, ielen);
890
891 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
892 /* Cached accounting data is not valid anymore. */
893 memset(drv->acct_mac, 0, ETH_ALEN);
894 memset(&drv->acct_data, 0, sizeof(drv->acct_data));
895 }
896
897 return res;
898 }
899
900 static void
901 madwifi_wireless_event_wireless_custom(struct madwifi_driver_data *drv,
902 char *custom)
903 {
904 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
905
906 if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
907 char *pos;
908 u8 addr[ETH_ALEN];
909 pos = strstr(custom, "addr=");
910 if (pos == NULL) {
911 wpa_printf(MSG_DEBUG,
912 "MLME-MICHAELMICFAILURE.indication "
913 "without sender address ignored");
914 return;
915 }
916 pos += 5;
917 if (hwaddr_aton(pos, addr) == 0) {
918 hostapd_michael_mic_failure(drv->hapd, addr);
919 } else {
920 wpa_printf(MSG_DEBUG,
921 "MLME-MICHAELMICFAILURE.indication "
922 "with invalid MAC address");
923 }
924 } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
925 char *key, *value;
926 u32 val;
927 key = custom;
928 while ((key = strchr(key, '\n')) != NULL) {
929 key++;
930 value = strchr(key, '=');
931 if (value == NULL)
932 continue;
933 *value++ = '\0';
934 val = strtoul(value, NULL, 10);
935 if (strcmp(key, "mac") == 0)
936 hwaddr_aton(value, drv->acct_mac);
937 else if (strcmp(key, "rx_packets") == 0)
938 drv->acct_data.rx_packets = val;
939 else if (strcmp(key, "tx_packets") == 0)
940 drv->acct_data.tx_packets = val;
941 else if (strcmp(key, "rx_bytes") == 0)
942 drv->acct_data.rx_bytes = val;
943 else if (strcmp(key, "tx_bytes") == 0)
944 drv->acct_data.tx_bytes = val;
945 key = value;
946 }
947 }
948 }
949
950 static void
951 madwifi_wireless_event_wireless(struct madwifi_driver_data *drv,
952 char *data, int len)
953 {
954 struct iw_event iwe_buf, *iwe = &iwe_buf;
955 char *pos, *end, *custom, *buf;
956
957 pos = data;
958 end = data + len;
959
960 while (pos + IW_EV_LCP_LEN <= end) {
961 /* Event data may be unaligned, so make a local, aligned copy
962 * before processing. */
963 memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
964 wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
965 iwe->cmd, iwe->len);
966 if (iwe->len <= IW_EV_LCP_LEN)
967 return;
968
969 custom = pos + IW_EV_POINT_LEN;
970 if (drv->we_version > 18 &&
971 (iwe->cmd == IWEVMICHAELMICFAILURE ||
972 iwe->cmd == IWEVCUSTOM)) {
973 /* WE-19 removed the pointer from struct iw_point */
974 char *dpos = (char *) &iwe_buf.u.data.length;
975 int dlen = dpos - (char *) &iwe_buf;
976 memcpy(dpos, pos + IW_EV_LCP_LEN,
977 sizeof(struct iw_event) - dlen);
978 } else {
979 memcpy(&iwe_buf, pos, sizeof(struct iw_event));
980 custom += IW_EV_POINT_OFF;
981 }
982
983 switch (iwe->cmd) {
984 case IWEVEXPIRED:
985 hostapd_notif_disassoc(drv->hapd,
986 (u8 *) iwe->u.addr.sa_data);
987 break;
988 case IWEVREGISTERED:
989 madwifi_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
990 break;
991 case IWEVCUSTOM:
992 if (custom + iwe->u.data.length > end)
993 return;
994 buf = malloc(iwe->u.data.length + 1);
995 if (buf == NULL)
996 return; /* XXX */
997 memcpy(buf, custom, iwe->u.data.length);
998 buf[iwe->u.data.length] = '\0';
999 madwifi_wireless_event_wireless_custom(drv, buf);
1000 free(buf);
1001 break;
1002 }
1003
1004 pos += iwe->len;
1005 }
1006 }
1007
1008
1009 static void
1010 madwifi_wireless_event_rtm_newlink(struct madwifi_driver_data *drv,
1011 struct nlmsghdr *h, int len)
1012 {
1013 struct ifinfomsg *ifi;
1014 int attrlen, nlmsg_len, rta_len;
1015 struct rtattr * attr;
1016
1017 if (len < (int) sizeof(*ifi))
1018 return;
1019
1020 ifi = NLMSG_DATA(h);
1021
1022 if (ifi->ifi_index != drv->ifindex)
1023 return;
1024
1025 nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
1026
1027 attrlen = h->nlmsg_len - nlmsg_len;
1028 if (attrlen < 0)
1029 return;
1030
1031 attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
1032
1033 rta_len = RTA_ALIGN(sizeof(struct rtattr));
1034 while (RTA_OK(attr, attrlen)) {
1035 if (attr->rta_type == IFLA_WIRELESS) {
1036 madwifi_wireless_event_wireless(
1037 drv, ((char *) attr) + rta_len,
1038 attr->rta_len - rta_len);
1039 }
1040 attr = RTA_NEXT(attr, attrlen);
1041 }
1042 }
1043
1044
1045 static void
1046 madwifi_wireless_event_receive(int sock, void *eloop_ctx, void *sock_ctx)
1047 {
1048 char buf[256];
1049 int left;
1050 struct sockaddr_nl from;
1051 socklen_t fromlen;
1052 struct nlmsghdr *h;
1053 struct madwifi_driver_data *drv = eloop_ctx;
1054
1055 fromlen = sizeof(from);
1056 left = recvfrom(sock, buf, sizeof(buf), MSG_DONTWAIT,
1057 (struct sockaddr *) &from, &fromlen);
1058 if (left < 0) {
1059 if (errno != EINTR && errno != EAGAIN)
1060 perror("recvfrom(netlink)");
1061 return;
1062 }
1063
1064 h = (struct nlmsghdr *) buf;
1065 while (left >= (int) sizeof(*h)) {
1066 int len, plen;
1067
1068 len = h->nlmsg_len;
1069 plen = len - sizeof(*h);
1070 if (len > left || plen < 0) {
1071 printf("Malformed netlink message: "
1072 "len=%d left=%d plen=%d\n",
1073 len, left, plen);
1074 break;
1075 }
1076
1077 switch (h->nlmsg_type) {
1078 case RTM_NEWLINK:
1079 madwifi_wireless_event_rtm_newlink(drv, h, plen);
1080 break;
1081 }
1082
1083 len = NLMSG_ALIGN(len);
1084 left -= len;
1085 h = (struct nlmsghdr *) ((char *) h + len);
1086 }
1087
1088 if (left > 0) {
1089 printf("%d extra bytes in the end of netlink message\n", left);
1090 }
1091 }
1092
1093
1094 static int
1095 madwifi_get_we_version(struct madwifi_driver_data *drv)
1096 {
1097 struct iw_range *range;
1098 struct iwreq iwr;
1099 int minlen;
1100 size_t buflen;
1101
1102 drv->we_version = 0;
1103
1104 /*
1105 * Use larger buffer than struct iw_range in order to allow the
1106 * structure to grow in the future.
1107 */
1108 buflen = sizeof(struct iw_range) + 500;
1109 range = os_zalloc(buflen);
1110 if (range == NULL)
1111 return -1;
1112
1113 memset(&iwr, 0, sizeof(iwr));
1114 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1115 iwr.u.data.pointer = (caddr_t) range;
1116 iwr.u.data.length = buflen;
1117
1118 minlen = ((char *) &range->enc_capa) - (char *) range +
1119 sizeof(range->enc_capa);
1120
1121 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
1122 perror("ioctl[SIOCGIWRANGE]");
1123 free(range);
1124 return -1;
1125 } else if (iwr.u.data.length >= minlen &&
1126 range->we_version_compiled >= 18) {
1127 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
1128 "WE(source)=%d enc_capa=0x%x",
1129 range->we_version_compiled,
1130 range->we_version_source,
1131 range->enc_capa);
1132 drv->we_version = range->we_version_compiled;
1133 }
1134
1135 free(range);
1136 return 0;
1137 }
1138
1139
1140 static int
1141 madwifi_wireless_event_init(struct madwifi_driver_data *drv)
1142 {
1143 int s;
1144 struct sockaddr_nl local;
1145
1146 madwifi_get_we_version(drv);
1147
1148 drv->wext_sock = -1;
1149
1150 s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
1151 if (s < 0) {
1152 perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
1153 return -1;
1154 }
1155
1156 memset(&local, 0, sizeof(local));
1157 local.nl_family = AF_NETLINK;
1158 local.nl_groups = RTMGRP_LINK;
1159 if (bind(s, (struct sockaddr *) &local, sizeof(local)) < 0) {
1160 perror("bind(netlink)");
1161 close(s);
1162 return -1;
1163 }
1164
1165 eloop_register_read_sock(s, madwifi_wireless_event_receive, drv, NULL);
1166 drv->wext_sock = s;
1167
1168 return 0;
1169 }
1170
1171
1172 static void
1173 madwifi_wireless_event_deinit(struct madwifi_driver_data *drv)
1174 {
1175 if (drv->wext_sock < 0)
1176 return;
1177 eloop_unregister_read_sock(drv->wext_sock);
1178 close(drv->wext_sock);
1179 }
1180
1181
1182 static int
1183 madwifi_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
1184 int encrypt, const u8 *own_addr)
1185 {
1186 struct madwifi_driver_data *drv = priv;
1187 unsigned char buf[3000];
1188 unsigned char *bp = buf;
1189 struct l2_ethhdr *eth;
1190 size_t len;
1191 int status;
1192
1193 /*
1194 * Prepend the Ethernet header. If the caller left us
1195 * space at the front we could just insert it but since
1196 * we don't know we copy to a local buffer. Given the frequency
1197 * and size of frames this probably doesn't matter.
1198 */
1199 len = data_len + sizeof(struct l2_ethhdr);
1200 if (len > sizeof(buf)) {
1201 bp = malloc(len);
1202 if (bp == NULL) {
1203 printf("EAPOL frame discarded, cannot malloc temp "
1204 "buffer of size %lu!\n", (unsigned long) len);
1205 return -1;
1206 }
1207 }
1208 eth = (struct l2_ethhdr *) bp;
1209 memcpy(eth->h_dest, addr, ETH_ALEN);
1210 memcpy(eth->h_source, own_addr, ETH_ALEN);
1211 eth->h_proto = host_to_be16(ETH_P_EAPOL);
1212 memcpy(eth+1, data, data_len);
1213
1214 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
1215
1216 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
1217
1218 if (bp != buf)
1219 free(bp);
1220 return status;
1221 }
1222
1223 static void
1224 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
1225 {
1226 struct madwifi_driver_data *drv = ctx;
1227 hostapd_eapol_receive(drv->hapd, src_addr,
1228 buf + sizeof(struct l2_ethhdr),
1229 len - sizeof(struct l2_ethhdr));
1230 }
1231
1232 static void *
1233 madwifi_init(struct hostapd_data *hapd)
1234 {
1235 struct madwifi_driver_data *drv;
1236 struct ifreq ifr;
1237 struct iwreq iwr;
1238
1239 drv = os_zalloc(sizeof(struct madwifi_driver_data));
1240 if (drv == NULL) {
1241 printf("Could not allocate memory for madwifi driver data\n");
1242 return NULL;
1243 }
1244
1245 drv->hapd = hapd;
1246 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
1247 if (drv->ioctl_sock < 0) {
1248 perror("socket[PF_INET,SOCK_DGRAM]");
1249 goto bad;
1250 }
1251 memcpy(drv->iface, hapd->conf->iface, sizeof(drv->iface));
1252
1253 memset(&ifr, 0, sizeof(ifr));
1254 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
1255 if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
1256 perror("ioctl(SIOCGIFINDEX)");
1257 goto bad;
1258 }
1259 drv->ifindex = ifr.ifr_ifindex;
1260
1261 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
1262 handle_read, drv, 1);
1263 if (drv->sock_xmit == NULL)
1264 goto bad;
1265 if (l2_packet_get_own_addr(drv->sock_xmit, hapd->own_addr))
1266 goto bad;
1267 if (hapd->conf->bridge[0] != '\0') {
1268 wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
1269 hapd->conf->bridge);
1270 drv->sock_recv = l2_packet_init(hapd->conf->bridge, NULL,
1271 ETH_P_EAPOL, handle_read, drv,
1272 1);
1273 if (drv->sock_recv == NULL)
1274 goto bad;
1275 } else
1276 drv->sock_recv = drv->sock_xmit;
1277
1278 memset(&iwr, 0, sizeof(iwr));
1279 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1280
1281 iwr.u.mode = IW_MODE_MASTER;
1282
1283 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
1284 perror("ioctl[SIOCSIWMODE]");
1285 printf("Could not set interface to master mode!\n");
1286 goto bad;
1287 }
1288
1289 madwifi_set_iface_flags(drv, 0); /* mark down during setup */
1290 madwifi_set_privacy(drv->iface, drv, 0); /* default to no privacy */
1291
1292 madwifi_receive_probe_req(drv);
1293
1294 if (madwifi_wireless_event_init(drv))
1295 goto bad;
1296
1297 return drv;
1298 bad:
1299 if (drv->sock_xmit != NULL)
1300 l2_packet_deinit(drv->sock_xmit);
1301 if (drv->ioctl_sock >= 0)
1302 close(drv->ioctl_sock);
1303 if (drv != NULL)
1304 free(drv);
1305 return NULL;
1306 }
1307
1308
1309 static void
1310 madwifi_deinit(void *priv)
1311 {
1312 struct madwifi_driver_data *drv = priv;
1313
1314 madwifi_wireless_event_deinit(drv);
1315 (void) madwifi_set_iface_flags(drv, 0);
1316 if (drv->ioctl_sock >= 0)
1317 close(drv->ioctl_sock);
1318 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1319 l2_packet_deinit(drv->sock_recv);
1320 if (drv->sock_xmit != NULL)
1321 l2_packet_deinit(drv->sock_xmit);
1322 if (drv->sock_raw)
1323 l2_packet_deinit(drv->sock_raw);
1324 free(drv);
1325 }
1326
1327 static int
1328 madwifi_set_ssid(const char *ifname, void *priv, const u8 *buf, int len)
1329 {
1330 struct madwifi_driver_data *drv = priv;
1331 struct iwreq iwr;
1332
1333 memset(&iwr, 0, sizeof(iwr));
1334 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1335 iwr.u.essid.flags = 1; /* SSID active */
1336 iwr.u.essid.pointer = (caddr_t) buf;
1337 iwr.u.essid.length = len + 1;
1338
1339 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
1340 perror("ioctl[SIOCSIWESSID]");
1341 printf("len=%d\n", len);
1342 return -1;
1343 }
1344 return 0;
1345 }
1346
1347 static int
1348 madwifi_get_ssid(const char *ifname, void *priv, u8 *buf, int len)
1349 {
1350 struct madwifi_driver_data *drv = priv;
1351 struct iwreq iwr;
1352 int ret = 0;
1353
1354 memset(&iwr, 0, sizeof(iwr));
1355 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1356 iwr.u.essid.pointer = (caddr_t) buf;
1357 iwr.u.essid.length = len;
1358
1359 if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
1360 perror("ioctl[SIOCGIWESSID]");
1361 ret = -1;
1362 } else
1363 ret = iwr.u.essid.length;
1364
1365 return ret;
1366 }
1367
1368 static int
1369 madwifi_set_countermeasures(void *priv, int enabled)
1370 {
1371 struct madwifi_driver_data *drv = priv;
1372 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1373 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
1374 }
1375
1376 static int
1377 madwifi_commit(void *priv)
1378 {
1379 return madwifi_set_iface_flags(priv, 1);
1380 }
1381
1382 #else /* HOSTAPD */
1383
1384 struct wpa_driver_madwifi_data {
1385 void *wext; /* private data for driver_wext */
1386 void *ctx;
1387 char ifname[IFNAMSIZ + 1];
1388 int sock;
1389 };
1390
1391 static int
1392 set80211priv(struct wpa_driver_madwifi_data *drv, int op, void *data, int len,
1393 int show_err)
1394 {
1395 struct iwreq iwr;
1396
1397 os_memset(&iwr, 0, sizeof(iwr));
1398 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1399 if (len < IFNAMSIZ &&
1400 op != IEEE80211_IOCTL_SET_APPIEBUF) {
1401 /*
1402 * Argument data fits inline; put it there.
1403 */
1404 os_memcpy(iwr.u.name, data, len);
1405 } else {
1406 /*
1407 * Argument data too big for inline transfer; setup a
1408 * parameter block instead; the kernel will transfer
1409 * the data for the driver.
1410 */
1411 iwr.u.data.pointer = data;
1412 iwr.u.data.length = len;
1413 }
1414
1415 if (ioctl(drv->sock, op, &iwr) < 0) {
1416 if (show_err) {
1417 #ifdef MADWIFI_NG
1418 int first = IEEE80211_IOCTL_SETPARAM;
1419 int last = IEEE80211_IOCTL_KICKMAC;
1420 static const char *opnames[] = {
1421 "ioctl[IEEE80211_IOCTL_SETPARAM]",
1422 "ioctl[IEEE80211_IOCTL_GETPARAM]",
1423 "ioctl[IEEE80211_IOCTL_SETMODE]",
1424 "ioctl[IEEE80211_IOCTL_GETMODE]",
1425 "ioctl[IEEE80211_IOCTL_SETWMMPARAMS]",
1426 "ioctl[IEEE80211_IOCTL_GETWMMPARAMS]",
1427 "ioctl[IEEE80211_IOCTL_SETCHANLIST]",
1428 "ioctl[IEEE80211_IOCTL_GETCHANLIST]",
1429 "ioctl[IEEE80211_IOCTL_CHANSWITCH]",
1430 NULL,
1431 "ioctl[IEEE80211_IOCTL_SET_APPIEBUF]",
1432 "ioctl[IEEE80211_IOCTL_GETSCANRESULTS]",
1433 NULL,
1434 "ioctl[IEEE80211_IOCTL_GETCHANINFO]",
1435 "ioctl[IEEE80211_IOCTL_SETOPTIE]",
1436 "ioctl[IEEE80211_IOCTL_GETOPTIE]",
1437 "ioctl[IEEE80211_IOCTL_SETMLME]",
1438 NULL,
1439 "ioctl[IEEE80211_IOCTL_SETKEY]",
1440 NULL,
1441 "ioctl[IEEE80211_IOCTL_DELKEY]",
1442 NULL,
1443 "ioctl[IEEE80211_IOCTL_ADDMAC]",
1444 NULL,
1445 "ioctl[IEEE80211_IOCTL_DELMAC]",
1446 NULL,
1447 "ioctl[IEEE80211_IOCTL_WDSMAC]",
1448 NULL,
1449 "ioctl[IEEE80211_IOCTL_WDSDELMAC]",
1450 NULL,
1451 "ioctl[IEEE80211_IOCTL_KICKMAC]",
1452 };
1453 #else /* MADWIFI_NG */
1454 int first = IEEE80211_IOCTL_SETPARAM;
1455 int last = IEEE80211_IOCTL_CHANLIST;
1456 static const char *opnames[] = {
1457 "ioctl[IEEE80211_IOCTL_SETPARAM]",
1458 "ioctl[IEEE80211_IOCTL_GETPARAM]",
1459 "ioctl[IEEE80211_IOCTL_SETKEY]",
1460 "ioctl[IEEE80211_IOCTL_GETKEY]",
1461 "ioctl[IEEE80211_IOCTL_DELKEY]",
1462 NULL,
1463 "ioctl[IEEE80211_IOCTL_SETMLME]",
1464 NULL,
1465 "ioctl[IEEE80211_IOCTL_SETOPTIE]",
1466 "ioctl[IEEE80211_IOCTL_GETOPTIE]",
1467 "ioctl[IEEE80211_IOCTL_ADDMAC]",
1468 NULL,
1469 "ioctl[IEEE80211_IOCTL_DELMAC]",
1470 NULL,
1471 "ioctl[IEEE80211_IOCTL_CHANLIST]",
1472 };
1473 #endif /* MADWIFI_NG */
1474 int idx = op - first;
1475 if (first <= op && op <= last &&
1476 idx < (int) (sizeof(opnames) / sizeof(opnames[0]))
1477 && opnames[idx])
1478 perror(opnames[idx]);
1479 else
1480 perror("ioctl[unknown???]");
1481 }
1482 return -1;
1483 }
1484 return 0;
1485 }
1486
1487 static int
1488 set80211param(struct wpa_driver_madwifi_data *drv, int op, int arg,
1489 int show_err)
1490 {
1491 struct iwreq iwr;
1492
1493 os_memset(&iwr, 0, sizeof(iwr));
1494 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1495 iwr.u.mode = op;
1496 os_memcpy(iwr.u.name+sizeof(u32), &arg, sizeof(arg));
1497
1498 if (ioctl(drv->sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
1499 if (show_err)
1500 perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
1501 return -1;
1502 }
1503 return 0;
1504 }
1505
1506 static int
1507 wpa_driver_madwifi_set_wpa_ie(struct wpa_driver_madwifi_data *drv,
1508 const u8 *wpa_ie, size_t wpa_ie_len)
1509 {
1510 struct iwreq iwr;
1511
1512 os_memset(&iwr, 0, sizeof(iwr));
1513 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1514 /* NB: SETOPTIE is not fixed-size so must not be inlined */
1515 iwr.u.data.pointer = (void *) wpa_ie;
1516 iwr.u.data.length = wpa_ie_len;
1517
1518 if (ioctl(drv->sock, IEEE80211_IOCTL_SETOPTIE, &iwr) < 0) {
1519 perror("ioctl[IEEE80211_IOCTL_SETOPTIE]");
1520 return -1;
1521 }
1522 return 0;
1523 }
1524
1525 static int
1526 wpa_driver_madwifi_del_key(struct wpa_driver_madwifi_data *drv, int key_idx,
1527 const u8 *addr)
1528 {
1529 struct ieee80211req_del_key wk;
1530
1531 wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __FUNCTION__, key_idx);
1532 os_memset(&wk, 0, sizeof(wk));
1533 wk.idk_keyix = key_idx;
1534 if (addr != NULL)
1535 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
1536
1537 return set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk), 1);
1538 }
1539
1540 static int
1541 wpa_driver_madwifi_set_key(void *priv, wpa_alg alg,
1542 const u8 *addr, int key_idx, int set_tx,
1543 const u8 *seq, size_t seq_len,
1544 const u8 *key, size_t key_len)
1545 {
1546 struct wpa_driver_madwifi_data *drv = priv;
1547 struct ieee80211req_key wk;
1548 char *alg_name;
1549 u_int8_t cipher;
1550
1551 if (alg == WPA_ALG_NONE)
1552 return wpa_driver_madwifi_del_key(drv, key_idx, addr);
1553
1554 switch (alg) {
1555 case WPA_ALG_WEP:
1556 if (addr == NULL || os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
1557 ETH_ALEN) == 0) {
1558 /*
1559 * madwifi did not seem to like static WEP key
1560 * configuration with IEEE80211_IOCTL_SETKEY, so use
1561 * Linux wireless extensions ioctl for this.
1562 */
1563 return wpa_driver_wext_set_key(drv->wext, alg, addr,
1564 key_idx, set_tx,
1565 seq, seq_len,
1566 key, key_len);
1567 }
1568 alg_name = "WEP";
1569 cipher = IEEE80211_CIPHER_WEP;
1570 break;
1571 case WPA_ALG_TKIP:
1572 alg_name = "TKIP";
1573 cipher = IEEE80211_CIPHER_TKIP;
1574 break;
1575 case WPA_ALG_CCMP:
1576 alg_name = "CCMP";
1577 cipher = IEEE80211_CIPHER_AES_CCM;
1578 break;
1579 default:
1580 wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d",
1581 __FUNCTION__, alg);
1582 return -1;
1583 }
1584
1585 wpa_printf(MSG_DEBUG, "%s: alg=%s key_idx=%d set_tx=%d seq_len=%lu "
1586 "key_len=%lu", __FUNCTION__, alg_name, key_idx, set_tx,
1587 (unsigned long) seq_len, (unsigned long) key_len);
1588
1589 if (seq_len > sizeof(u_int64_t)) {
1590 wpa_printf(MSG_DEBUG, "%s: seq_len %lu too big",
1591 __FUNCTION__, (unsigned long) seq_len);
1592 return -2;
1593 }
1594 if (key_len > sizeof(wk.ik_keydata)) {
1595 wpa_printf(MSG_DEBUG, "%s: key length %lu too big",
1596 __FUNCTION__, (unsigned long) key_len);
1597 return -3;
1598 }
1599
1600 os_memset(&wk, 0, sizeof(wk));
1601 wk.ik_type = cipher;
1602 wk.ik_flags = IEEE80211_KEY_RECV;
1603 if (addr == NULL ||
1604 os_memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0)
1605 wk.ik_flags |= IEEE80211_KEY_GROUP;
1606 if (set_tx) {
1607 wk.ik_flags |= IEEE80211_KEY_XMIT | IEEE80211_KEY_DEFAULT;
1608 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
1609 } else
1610 os_memset(wk.ik_macaddr, 0, IEEE80211_ADDR_LEN);
1611 wk.ik_keyix = key_idx;
1612 wk.ik_keylen = key_len;
1613 #ifdef WORDS_BIGENDIAN
1614 #define WPA_KEY_RSC_LEN 8
1615 {
1616 size_t i;
1617 u8 tmp[WPA_KEY_RSC_LEN];
1618 os_memset(tmp, 0, sizeof(tmp));
1619 for (i = 0; i < seq_len; i++)
1620 tmp[WPA_KEY_RSC_LEN - i - 1] = seq[i];
1621 os_memcpy(&wk.ik_keyrsc, tmp, WPA_KEY_RSC_LEN);
1622 }
1623 #else /* WORDS_BIGENDIAN */
1624 os_memcpy(&wk.ik_keyrsc, seq, seq_len);
1625 #endif /* WORDS_BIGENDIAN */
1626 os_memcpy(wk.ik_keydata, key, key_len);
1627
1628 return set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk), 1);
1629 }
1630
1631 static int
1632 wpa_driver_madwifi_set_countermeasures(void *priv, int enabled)
1633 {
1634 struct wpa_driver_madwifi_data *drv = priv;
1635 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1636 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled, 1);
1637 }
1638
1639
1640 static int
1641 wpa_driver_madwifi_set_drop_unencrypted(void *priv, int enabled)
1642 {
1643 struct wpa_driver_madwifi_data *drv = priv;
1644 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1645 return set80211param(drv, IEEE80211_PARAM_DROPUNENCRYPTED, enabled, 1);
1646 }
1647
1648 static int
1649 wpa_driver_madwifi_deauthenticate(void *priv, const u8 *addr, int reason_code)
1650 {
1651 struct wpa_driver_madwifi_data *drv = priv;
1652 struct ieee80211req_mlme mlme;
1653
1654 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1655 mlme.im_op = IEEE80211_MLME_DEAUTH;
1656 mlme.im_reason = reason_code;
1657 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1658 return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1);
1659 }
1660
1661 static int
1662 wpa_driver_madwifi_disassociate(void *priv, const u8 *addr, int reason_code)
1663 {
1664 struct wpa_driver_madwifi_data *drv = priv;
1665 struct ieee80211req_mlme mlme;
1666
1667 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1668 mlme.im_op = IEEE80211_MLME_DISASSOC;
1669 mlme.im_reason = reason_code;
1670 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1671 return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1);
1672 }
1673
1674 static int
1675 wpa_driver_madwifi_associate(void *priv,
1676 struct wpa_driver_associate_params *params)
1677 {
1678 struct wpa_driver_madwifi_data *drv = priv;
1679 struct ieee80211req_mlme mlme;
1680 int ret = 0, privacy = 1;
1681
1682 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1683
1684 /*
1685 * NB: Don't need to set the freq or cipher-related state as
1686 * this is implied by the bssid which is used to locate
1687 * the scanned node state which holds it. The ssid is
1688 * needed to disambiguate an AP that broadcasts multiple
1689 * ssid's but uses the same bssid.
1690 */
1691 /* XXX error handling is wrong but unclear what to do... */
1692 if (wpa_driver_madwifi_set_wpa_ie(drv, params->wpa_ie,
1693 params->wpa_ie_len) < 0)
1694 ret = -1;
1695
1696 if (params->pairwise_suite == CIPHER_NONE &&
1697 params->group_suite == CIPHER_NONE &&
1698 params->key_mgmt_suite == KEY_MGMT_NONE &&
1699 params->wpa_ie_len == 0)
1700 privacy = 0;
1701
1702 if (set80211param(drv, IEEE80211_PARAM_PRIVACY, privacy, 1) < 0)
1703 ret = -1;
1704
1705 if (params->wpa_ie_len &&
1706 set80211param(drv, IEEE80211_PARAM_WPA,
1707 params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1, 1) < 0)
1708 ret = -1;
1709
1710 if (params->bssid == NULL) {
1711 /* ap_scan=2 mode - driver takes care of AP selection and
1712 * roaming */
1713 /* FIX: this does not seem to work; would probably need to
1714 * change something in the driver */
1715 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0)
1716 ret = -1;
1717
1718 if (wpa_driver_wext_set_ssid(drv->wext, params->ssid,
1719 params->ssid_len) < 0)
1720 ret = -1;
1721 } else {
1722 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0)
1723 ret = -1;
1724 if (wpa_driver_wext_set_ssid(drv->wext, params->ssid,
1725 params->ssid_len) < 0)
1726 ret = -1;
1727 os_memset(&mlme, 0, sizeof(mlme));
1728 mlme.im_op = IEEE80211_MLME_ASSOC;
1729 os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
1730 if (set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
1731 sizeof(mlme), 1) < 0) {
1732 wpa_printf(MSG_DEBUG, "%s: SETMLME[ASSOC] failed",
1733 __func__);
1734 ret = -1;
1735 }
1736 }
1737
1738 return ret;
1739 }
1740
1741 static int
1742 wpa_driver_madwifi_set_auth_alg(void *priv, int auth_alg)
1743 {
1744 struct wpa_driver_madwifi_data *drv = priv;
1745 int authmode;
1746
1747 if ((auth_alg & AUTH_ALG_OPEN_SYSTEM) &&
1748 (auth_alg & AUTH_ALG_SHARED_KEY))
1749 authmode = IEEE80211_AUTH_AUTO;
1750 else if (auth_alg & AUTH_ALG_SHARED_KEY)
1751 authmode = IEEE80211_AUTH_SHARED;
1752 else
1753 authmode = IEEE80211_AUTH_OPEN;
1754
1755 return set80211param(drv, IEEE80211_PARAM_AUTHMODE, authmode, 1);
1756 }
1757
1758 static int
1759 wpa_driver_madwifi_scan(void *priv, const u8 *ssid, size_t ssid_len)
1760 {
1761 struct wpa_driver_madwifi_data *drv = priv;
1762 struct iwreq iwr;
1763 int ret = 0;
1764
1765 os_memset(&iwr, 0, sizeof(iwr));
1766 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1767
1768 /* set desired ssid before scan */
1769 /* FIX: scan should not break the current association, so using
1770 * set_ssid may not be the best way of doing this.. */
1771 if (wpa_driver_wext_set_ssid(drv->wext, ssid, ssid_len) < 0)
1772 ret = -1;
1773
1774 if (ioctl(drv->sock, SIOCSIWSCAN, &iwr) < 0) {
1775 perror("ioctl[SIOCSIWSCAN]");
1776 ret = -1;
1777 }
1778
1779 /*
1780 * madwifi delivers a scan complete event so no need to poll, but
1781 * register a backup timeout anyway to make sure that we recover even
1782 * if the driver does not send this event for any reason. This timeout
1783 * will only be used if the event is not delivered (event handler will
1784 * cancel the timeout).
1785 */
1786 eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv->wext,
1787 drv->ctx);
1788 eloop_register_timeout(30, 0, wpa_driver_wext_scan_timeout, drv->wext,
1789 drv->ctx);
1790
1791 return ret;
1792 }
1793
1794 static int wpa_driver_madwifi_get_bssid(void *priv, u8 *bssid)
1795 {
1796 struct wpa_driver_madwifi_data *drv = priv;
1797 return wpa_driver_wext_get_bssid(drv->wext, bssid);
1798 }
1799
1800
1801 static int wpa_driver_madwifi_get_ssid(void *priv, u8 *ssid)
1802 {
1803 struct wpa_driver_madwifi_data *drv = priv;
1804 return wpa_driver_wext_get_ssid(drv->wext, ssid);
1805 }
1806
1807
1808 static struct wpa_scan_results *
1809 wpa_driver_madwifi_get_scan_results(void *priv)
1810 {
1811 struct wpa_driver_madwifi_data *drv = priv;
1812 return wpa_driver_wext_get_scan_results(drv->wext);
1813 }
1814
1815
1816 static int wpa_driver_madwifi_set_operstate(void *priv, int state)
1817 {
1818 struct wpa_driver_madwifi_data *drv = priv;
1819 return wpa_driver_wext_set_operstate(drv->wext, state);
1820 }
1821
1822
1823 static int wpa_driver_madwifi_set_probe_req_ie(void *priv, const u8 *ies,
1824 size_t ies_len)
1825 {
1826 struct ieee80211req_getset_appiebuf *probe_req_ie;
1827 int ret;
1828
1829 probe_req_ie = os_malloc(sizeof(*probe_req_ie) + ies_len);
1830 if (probe_req_ie == NULL)
1831 return -1;
1832
1833 probe_req_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_REQ;
1834 probe_req_ie->app_buflen = ies_len;
1835 os_memcpy(probe_req_ie->app_buf, ies, ies_len);
1836
1837 ret = set80211priv(priv, IEEE80211_IOCTL_SET_APPIEBUF, probe_req_ie,
1838 sizeof(struct ieee80211req_getset_appiebuf) +
1839 ies_len, 1);
1840
1841 os_free(probe_req_ie);
1842
1843 return ret;
1844 }
1845
1846
1847 static void * wpa_driver_madwifi_init(void *ctx, const char *ifname)
1848 {
1849 struct wpa_driver_madwifi_data *drv;
1850
1851 drv = os_zalloc(sizeof(*drv));
1852 if (drv == NULL)
1853 return NULL;
1854 drv->wext = wpa_driver_wext_init(ctx, ifname);
1855 if (drv->wext == NULL)
1856 goto fail;
1857
1858 drv->ctx = ctx;
1859 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
1860 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
1861 if (drv->sock < 0)
1862 goto fail2;
1863
1864 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0) {
1865 wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based "
1866 "roaming", __FUNCTION__);
1867 goto fail3;
1868 }
1869
1870 if (set80211param(drv, IEEE80211_PARAM_WPA, 3, 1) < 0) {
1871 wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support",
1872 __FUNCTION__);
1873 goto fail3;
1874 }
1875
1876 return drv;
1877
1878 fail3:
1879 close(drv->sock);
1880 fail2:
1881 wpa_driver_wext_deinit(drv->wext);
1882 fail:
1883 os_free(drv);
1884 return NULL;
1885 }
1886
1887
1888 static void wpa_driver_madwifi_deinit(void *priv)
1889 {
1890 struct wpa_driver_madwifi_data *drv = priv;
1891
1892 if (wpa_driver_madwifi_set_wpa_ie(drv, NULL, 0) < 0) {
1893 wpa_printf(MSG_DEBUG, "%s: failed to clear WPA IE",
1894 __FUNCTION__);
1895 }
1896 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0) {
1897 wpa_printf(MSG_DEBUG, "%s: failed to enable driver-based "
1898 "roaming", __FUNCTION__);
1899 }
1900 if (set80211param(drv, IEEE80211_PARAM_PRIVACY, 0, 1) < 0) {
1901 wpa_printf(MSG_DEBUG, "%s: failed to disable forced Privacy "
1902 "flag", __FUNCTION__);
1903 }
1904 if (set80211param(drv, IEEE80211_PARAM_WPA, 0, 1) < 0) {
1905 wpa_printf(MSG_DEBUG, "%s: failed to disable WPA",
1906 __FUNCTION__);
1907 }
1908
1909 wpa_driver_wext_deinit(drv->wext);
1910
1911 close(drv->sock);
1912 os_free(drv);
1913 }
1914
1915 #endif /* HOSTAPD */
1916
1917
1918 const struct wpa_driver_ops wpa_driver_madwifi_ops = {
1919 .name = "madwifi",
1920 .desc = "MADWIFI 802.11 support (Atheros, etc.)",
1921 #ifdef HOSTAPD
1922 .hapd_init = madwifi_init,
1923 .hapd_deinit = madwifi_deinit,
1924 .set_ieee8021x = madwifi_set_ieee8021x,
1925 .set_privacy = madwifi_set_privacy,
1926 .hapd_set_key = madwifi_set_key,
1927 .get_seqnum = madwifi_get_seqnum,
1928 .flush = madwifi_flush,
1929 .set_generic_elem = madwifi_set_opt_ie,
1930 .sta_set_flags = madwifi_sta_set_flags,
1931 .read_sta_data = madwifi_read_sta_driver_data,
1932 .hapd_send_eapol = madwifi_send_eapol,
1933 .sta_disassoc = madwifi_sta_disassoc,
1934 .sta_deauth = madwifi_sta_deauth,
1935 .hapd_set_ssid = madwifi_set_ssid,
1936 .hapd_get_ssid = madwifi_get_ssid,
1937 .hapd_set_countermeasures = madwifi_set_countermeasures,
1938 .sta_clear_stats = madwifi_sta_clear_stats,
1939 .commit = madwifi_commit,
1940 .set_wps_beacon_ie = madwifi_set_wps_beacon_ie,
1941 .set_wps_probe_resp_ie = madwifi_set_wps_probe_resp_ie,
1942 #else /* HOSTAPD */
1943 .get_bssid = wpa_driver_madwifi_get_bssid,
1944 .get_ssid = wpa_driver_madwifi_get_ssid,
1945 .set_key = wpa_driver_madwifi_set_key,
1946 .init = wpa_driver_madwifi_init,
1947 .deinit = wpa_driver_madwifi_deinit,
1948 .set_countermeasures = wpa_driver_madwifi_set_countermeasures,
1949 .set_drop_unencrypted = wpa_driver_madwifi_set_drop_unencrypted,
1950 .scan = wpa_driver_madwifi_scan,
1951 .get_scan_results2 = wpa_driver_madwifi_get_scan_results,
1952 .deauthenticate = wpa_driver_madwifi_deauthenticate,
1953 .disassociate = wpa_driver_madwifi_disassociate,
1954 .associate = wpa_driver_madwifi_associate,
1955 .set_auth_alg = wpa_driver_madwifi_set_auth_alg,
1956 .set_operstate = wpa_driver_madwifi_set_operstate,
1957 .set_probe_req_ie = wpa_driver_madwifi_set_probe_req_ie,
1958 #endif /* HOSTAPD */
1959 };
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