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Added WirelessManager, a port of wpa_supplicant.
[AROS.git] / workbench / network / WirelessManager / src / drivers / driver_madwifi.c
blob8687404db9026fc630f5b0d396432095d4cfaea2
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 "linux_ioctl.h"
78 #include "l2_packet/l2_packet.h"
79
80
81 struct madwifi_driver_data {
82 struct hostapd_data *hapd; /* back pointer */
83
84 char iface[IFNAMSIZ + 1];
85 int ifindex;
86 struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
87 struct l2_packet_data *sock_recv; /* raw packet recv socket */
88 int ioctl_sock; /* socket for ioctl() use */
89 struct netlink_data *netlink;
90 int we_version;
91 u8 acct_mac[ETH_ALEN];
92 struct hostap_sta_driver_data acct_data;
93
94 struct l2_packet_data *sock_raw; /* raw 802.11 management frames */
95 };
96
97 static int madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
98 int reason_code);
99
100 static int
101 set80211priv(struct madwifi_driver_data *drv, int op, void *data, int len)
102 {
103 struct iwreq iwr;
104 int do_inline = len < IFNAMSIZ;
105
106 memset(&iwr, 0, sizeof(iwr));
107 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
108 #ifdef IEEE80211_IOCTL_FILTERFRAME
109 /* FILTERFRAME must be NOT inline, regardless of size. */
110 if (op == IEEE80211_IOCTL_FILTERFRAME)
111 do_inline = 0;
112 #endif /* IEEE80211_IOCTL_FILTERFRAME */
113 if (op == IEEE80211_IOCTL_SET_APPIEBUF)
114 do_inline = 0;
115 if (do_inline) {
116 /*
117 * Argument data fits inline; put it there.
118 */
119 memcpy(iwr.u.name, data, len);
120 } else {
121 /*
122 * Argument data too big for inline transfer; setup a
123 * parameter block instead; the kernel will transfer
124 * the data for the driver.
125 */
126 iwr.u.data.pointer = data;
127 iwr.u.data.length = len;
128 }
129
130 if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
131 #ifdef MADWIFI_NG
132 int first = IEEE80211_IOCTL_SETPARAM;
133 static const char *opnames[] = {
134 "ioctl[IEEE80211_IOCTL_SETPARAM]",
135 "ioctl[IEEE80211_IOCTL_GETPARAM]",
136 "ioctl[IEEE80211_IOCTL_SETMODE]",
137 "ioctl[IEEE80211_IOCTL_GETMODE]",
138 "ioctl[IEEE80211_IOCTL_SETWMMPARAMS]",
139 "ioctl[IEEE80211_IOCTL_GETWMMPARAMS]",
140 "ioctl[IEEE80211_IOCTL_SETCHANLIST]",
141 "ioctl[IEEE80211_IOCTL_GETCHANLIST]",
142 "ioctl[IEEE80211_IOCTL_CHANSWITCH]",
143 "ioctl[IEEE80211_IOCTL_GET_APPIEBUF]",
144 "ioctl[IEEE80211_IOCTL_SET_APPIEBUF]",
145 "ioctl[IEEE80211_IOCTL_GETSCANRESULTS]",
146 "ioctl[IEEE80211_IOCTL_FILTERFRAME]",
147 "ioctl[IEEE80211_IOCTL_GETCHANINFO]",
148 "ioctl[IEEE80211_IOCTL_SETOPTIE]",
149 "ioctl[IEEE80211_IOCTL_GETOPTIE]",
150 "ioctl[IEEE80211_IOCTL_SETMLME]",
151 NULL,
152 "ioctl[IEEE80211_IOCTL_SETKEY]",
153 NULL,
154 "ioctl[IEEE80211_IOCTL_DELKEY]",
155 NULL,
156 "ioctl[IEEE80211_IOCTL_ADDMAC]",
157 NULL,
158 "ioctl[IEEE80211_IOCTL_DELMAC]",
159 NULL,
160 "ioctl[IEEE80211_IOCTL_WDSMAC]",
161 NULL,
162 "ioctl[IEEE80211_IOCTL_WDSDELMAC]",
163 NULL,
164 "ioctl[IEEE80211_IOCTL_KICKMAC]",
165 };
166 #else /* MADWIFI_NG */
167 int first = IEEE80211_IOCTL_SETPARAM;
168 static const char *opnames[] = {
169 "ioctl[IEEE80211_IOCTL_SETPARAM]",
170 "ioctl[IEEE80211_IOCTL_GETPARAM]",
171 "ioctl[IEEE80211_IOCTL_SETKEY]",
172 "ioctl[SIOCIWFIRSTPRIV+3]",
173 "ioctl[IEEE80211_IOCTL_DELKEY]",
174 "ioctl[SIOCIWFIRSTPRIV+5]",
175 "ioctl[IEEE80211_IOCTL_SETMLME]",
176 "ioctl[SIOCIWFIRSTPRIV+7]",
177 "ioctl[IEEE80211_IOCTL_SETOPTIE]",
178 "ioctl[IEEE80211_IOCTL_GETOPTIE]",
179 "ioctl[IEEE80211_IOCTL_ADDMAC]",
180 "ioctl[SIOCIWFIRSTPRIV+11]",
181 "ioctl[IEEE80211_IOCTL_DELMAC]",
182 "ioctl[SIOCIWFIRSTPRIV+13]",
183 "ioctl[IEEE80211_IOCTL_CHANLIST]",
184 "ioctl[SIOCIWFIRSTPRIV+15]",
185 "ioctl[IEEE80211_IOCTL_GETRSN]",
186 "ioctl[SIOCIWFIRSTPRIV+17]",
187 "ioctl[IEEE80211_IOCTL_GETKEY]",
188 };
189 #endif /* MADWIFI_NG */
190 int idx = op - first;
191 if (first <= op &&
192 idx < (int) (sizeof(opnames) / sizeof(opnames[0])) &&
193 opnames[idx])
194 perror(opnames[idx]);
195 else
196 perror("ioctl[unknown???]");
197 return -1;
198 }
199 return 0;
200 }
201
202 static int
203 set80211param(struct madwifi_driver_data *drv, int op, int arg)
204 {
205 struct iwreq iwr;
206
207 memset(&iwr, 0, sizeof(iwr));
208 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
209 iwr.u.mode = op;
210 memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg));
211
212 if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
213 perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
214 wpa_printf(MSG_DEBUG, "%s: Failed to set parameter (op %d "
215 "arg %d)", __func__, op, arg);
216 return -1;
217 }
218 return 0;
219 }
220
221 #ifndef CONFIG_NO_STDOUT_DEBUG
222 static const char *
223 ether_sprintf(const u8 *addr)
224 {
225 static char buf[sizeof(MACSTR)];
226
227 if (addr != NULL)
228 snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
229 else
230 snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
231 return buf;
232 }
233 #endif /* CONFIG_NO_STDOUT_DEBUG */
234
235 /*
236 * Configure WPA parameters.
237 */
238 static int
239 madwifi_configure_wpa(struct madwifi_driver_data *drv,
240 struct wpa_bss_params *params)
241 {
242 int v;
243
244 switch (params->wpa_group) {
245 case WPA_CIPHER_CCMP:
246 v = IEEE80211_CIPHER_AES_CCM;
247 break;
248 case WPA_CIPHER_TKIP:
249 v = IEEE80211_CIPHER_TKIP;
250 break;
251 case WPA_CIPHER_WEP104:
252 v = IEEE80211_CIPHER_WEP;
253 break;
254 case WPA_CIPHER_WEP40:
255 v = IEEE80211_CIPHER_WEP;
256 break;
257 case WPA_CIPHER_NONE:
258 v = IEEE80211_CIPHER_NONE;
259 break;
260 default:
261 wpa_printf(MSG_ERROR, "Unknown group key cipher %u",
262 params->wpa_group);
263 return -1;
264 }
265 wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v);
266 if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
267 printf("Unable to set group key cipher to %u\n", v);
268 return -1;
269 }
270 if (v == IEEE80211_CIPHER_WEP) {
271 /* key length is done only for specific ciphers */
272 v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
273 if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
274 printf("Unable to set group key length to %u\n", v);
275 return -1;
276 }
277 }
278
279 v = 0;
280 if (params->wpa_pairwise & WPA_CIPHER_CCMP)
281 v |= 1<<IEEE80211_CIPHER_AES_CCM;
282 if (params->wpa_pairwise & WPA_CIPHER_TKIP)
283 v |= 1<<IEEE80211_CIPHER_TKIP;
284 if (params->wpa_pairwise & WPA_CIPHER_NONE)
285 v |= 1<<IEEE80211_CIPHER_NONE;
286 wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
287 if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
288 printf("Unable to set pairwise key ciphers to 0x%x\n", v);
289 return -1;
290 }
291
292 wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
293 __func__, params->wpa_key_mgmt);
294 if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS,
295 params->wpa_key_mgmt)) {
296 printf("Unable to set key management algorithms to 0x%x\n",
297 params->wpa_key_mgmt);
298 return -1;
299 }
300
301 v = 0;
302 if (params->rsn_preauth)
303 v |= BIT(0);
304 wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
305 __func__, params->rsn_preauth);
306 if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
307 printf("Unable to set RSN capabilities to 0x%x\n", v);
308 return -1;
309 }
310
311 wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa);
312 if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) {
313 printf("Unable to set WPA to %u\n", params->wpa);
314 return -1;
315 }
316 return 0;
317 }
318
319 static int
320 madwifi_set_ieee8021x(void *priv, struct wpa_bss_params *params)
321 {
322 struct madwifi_driver_data *drv = priv;
323
324 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
325
326 if (!params->enabled) {
327 /* XXX restore state */
328 return set80211param(priv, IEEE80211_PARAM_AUTHMODE,
329 IEEE80211_AUTH_AUTO);
330 }
331 if (!params->wpa && !params->ieee802_1x) {
332 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
333 HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
334 return -1;
335 }
336 if (params->wpa && madwifi_configure_wpa(drv, params) != 0) {
337 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
338 HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
339 return -1;
340 }
341 if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
342 (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
343 hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
344 HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
345 return -1;
346 }
347
348 return 0;
349 }
350
351 static int
352 madwifi_set_privacy(void *priv, int enabled)
353 {
354 struct madwifi_driver_data *drv = priv;
355
356 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
357
358 return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled);
359 }
360
361 static int
362 madwifi_set_sta_authorized(void *priv, const u8 *addr, int authorized)
363 {
364 struct madwifi_driver_data *drv = priv;
365 struct ieee80211req_mlme mlme;
366 int ret;
367
368 wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
369 __func__, ether_sprintf(addr), authorized);
370
371 if (authorized)
372 mlme.im_op = IEEE80211_MLME_AUTHORIZE;
373 else
374 mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
375 mlme.im_reason = 0;
376 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
377 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
378 if (ret < 0) {
379 wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
380 __func__, authorized ? "" : "un", MAC2STR(addr));
381 }
382
383 return ret;
384 }
385
386 static int
387 madwifi_sta_set_flags(void *priv, const u8 *addr,
388 int total_flags, int flags_or, int flags_and)
389 {
390 /* For now, only support setting Authorized flag */
391 if (flags_or & WPA_STA_AUTHORIZED)
392 return madwifi_set_sta_authorized(priv, addr, 1);
393 if (!(flags_and & WPA_STA_AUTHORIZED))
394 return madwifi_set_sta_authorized(priv, addr, 0);
395 return 0;
396 }
397
398 static int
399 madwifi_del_key(void *priv, const u8 *addr, int key_idx)
400 {
401 struct madwifi_driver_data *drv = priv;
402 struct ieee80211req_del_key wk;
403 int ret;
404
405 wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
406 __func__, ether_sprintf(addr), key_idx);
407
408 memset(&wk, 0, sizeof(wk));
409 if (addr != NULL) {
410 memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
411 wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
412 } else {
413 wk.idk_keyix = key_idx;
414 }
415
416 ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
417 if (ret < 0) {
418 wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s"
419 " key_idx %d)", __func__, ether_sprintf(addr),
420 key_idx);
421 }
422
423 return ret;
424 }
425
426 static int
427 wpa_driver_madwifi_set_key(const char *ifname, void *priv, enum wpa_alg alg,
428 const u8 *addr, int key_idx, int set_tx,
429 const u8 *seq, size_t seq_len,
430 const u8 *key, size_t key_len)
431 {
432 struct madwifi_driver_data *drv = priv;
433 struct ieee80211req_key wk;
434 u_int8_t cipher;
435 int ret;
436
437 if (alg == WPA_ALG_NONE)
438 return madwifi_del_key(drv, addr, key_idx);
439
440 wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
441 __func__, alg, ether_sprintf(addr), key_idx);
442
443 if (alg == WPA_ALG_WEP)
444 cipher = IEEE80211_CIPHER_WEP;
445 else if (alg == WPA_ALG_TKIP)
446 cipher = IEEE80211_CIPHER_TKIP;
447 else if (alg == WPA_ALG_CCMP)
448 cipher = IEEE80211_CIPHER_AES_CCM;
449 else {
450 printf("%s: unknown/unsupported algorithm %d\n",
451 __func__, alg);
452 return -1;
453 }
454
455 if (key_len > sizeof(wk.ik_keydata)) {
456 printf("%s: key length %lu too big\n", __func__,
457 (unsigned long) key_len);
458 return -3;
459 }
460
461 memset(&wk, 0, sizeof(wk));
462 wk.ik_type = cipher;
463 wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
464 if (addr == NULL) {
465 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
466 wk.ik_keyix = key_idx;
467 wk.ik_flags |= IEEE80211_KEY_DEFAULT;
468 } else {
469 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
470 wk.ik_keyix = IEEE80211_KEYIX_NONE;
471 }
472 wk.ik_keylen = key_len;
473 memcpy(wk.ik_keydata, key, key_len);
474
475 ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
476 if (ret < 0) {
477 wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s"
478 " key_idx %d alg %d key_len %lu set_tx %d)",
479 __func__, ether_sprintf(wk.ik_macaddr), key_idx,
480 alg, (unsigned long) key_len, set_tx);
481 }
482
483 return ret;
484 }
485
486
487 static int
488 madwifi_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
489 u8 *seq)
490 {
491 struct madwifi_driver_data *drv = priv;
492 struct ieee80211req_key wk;
493
494 wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
495 __func__, ether_sprintf(addr), idx);
496
497 memset(&wk, 0, sizeof(wk));
498 if (addr == NULL)
499 memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
500 else
501 memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
502 wk.ik_keyix = idx;
503
504 if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
505 wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data "
506 "(addr " MACSTR " key_idx %d)",
507 __func__, MAC2STR(wk.ik_macaddr), idx);
508 return -1;
509 }
510
511 #ifdef WORDS_BIGENDIAN
512 {
513 /*
514 * wk.ik_keytsc is in host byte order (big endian), need to
515 * swap it to match with the byte order used in WPA.
516 */
517 int i;
518 u8 tmp[WPA_KEY_RSC_LEN];
519 memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
520 for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
521 seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
522 }
523 }
524 #else /* WORDS_BIGENDIAN */
525 memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
526 #endif /* WORDS_BIGENDIAN */
527 return 0;
528 }
529
530
531 static int
532 madwifi_flush(void *priv)
533 {
534 #ifdef MADWIFI_BSD
535 u8 allsta[IEEE80211_ADDR_LEN];
536 memset(allsta, 0xff, IEEE80211_ADDR_LEN);
537 return madwifi_sta_deauth(priv, NULL, allsta,
538 IEEE80211_REASON_AUTH_LEAVE);
539 #else /* MADWIFI_BSD */
540 return 0; /* XXX */
541 #endif /* MADWIFI_BSD */
542 }
543
544
545 static int
546 madwifi_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
547 const u8 *addr)
548 {
549 struct madwifi_driver_data *drv = priv;
550
551 #ifdef MADWIFI_BSD
552 struct ieee80211req_sta_stats stats;
553
554 memset(data, 0, sizeof(*data));
555
556 /*
557 * Fetch statistics for station from the system.
558 */
559 memset(&stats, 0, sizeof(stats));
560 memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
561 if (set80211priv(drv,
562 #ifdef MADWIFI_NG
563 IEEE80211_IOCTL_STA_STATS,
564 #else /* MADWIFI_NG */
565 IEEE80211_IOCTL_GETSTASTATS,
566 #endif /* MADWIFI_NG */
567 &stats, sizeof(stats))) {
568 wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
569 MACSTR ")", __func__, MAC2STR(addr));
570 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
571 memcpy(data, &drv->acct_data, sizeof(*data));
572 return 0;
573 }
574
575 printf("Failed to get station stats information element.\n");
576 return -1;
577 }
578
579 data->rx_packets = stats.is_stats.ns_rx_data;
580 data->rx_bytes = stats.is_stats.ns_rx_bytes;
581 data->tx_packets = stats.is_stats.ns_tx_data;
582 data->tx_bytes = stats.is_stats.ns_tx_bytes;
583 return 0;
584
585 #else /* MADWIFI_BSD */
586
587 char buf[1024], line[128], *pos;
588 FILE *f;
589 unsigned long val;
590
591 memset(data, 0, sizeof(*data));
592 snprintf(buf, sizeof(buf), "/proc/net/madwifi/%s/" MACSTR,
593 drv->iface, MAC2STR(addr));
594
595 f = fopen(buf, "r");
596 if (!f) {
597 if (memcmp(addr, drv->acct_mac, ETH_ALEN) != 0)
598 return -1;
599 memcpy(data, &drv->acct_data, sizeof(*data));
600 return 0;
601 }
602 /* Need to read proc file with in one piece, so use large enough
603 * buffer. */
604 setbuffer(f, buf, sizeof(buf));
605
606 while (fgets(line, sizeof(line), f)) {
607 pos = strchr(line, '=');
608 if (!pos)
609 continue;
610 *pos++ = '\0';
611 val = strtoul(pos, NULL, 10);
612 if (strcmp(line, "rx_packets") == 0)
613 data->rx_packets = val;
614 else if (strcmp(line, "tx_packets") == 0)
615 data->tx_packets = val;
616 else if (strcmp(line, "rx_bytes") == 0)
617 data->rx_bytes = val;
618 else if (strcmp(line, "tx_bytes") == 0)
619 data->tx_bytes = val;
620 }
621
622 fclose(f);
623
624 return 0;
625 #endif /* MADWIFI_BSD */
626 }
627
628
629 static int
630 madwifi_sta_clear_stats(void *priv, const u8 *addr)
631 {
632 #if defined(MADWIFI_BSD) && defined(IEEE80211_MLME_CLEAR_STATS)
633 struct madwifi_driver_data *drv = priv;
634 struct ieee80211req_mlme mlme;
635 int ret;
636
637 wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));
638
639 mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
640 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
641 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
642 sizeof(mlme));
643 if (ret < 0) {
644 wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr "
645 MACSTR ")", __func__, MAC2STR(addr));
646 }
647
648 return ret;
649 #else /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */
650 return 0; /* FIX */
651 #endif /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */
652 }
653
654
655 static int
656 madwifi_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
657 {
658 /*
659 * Do nothing; we setup parameters at startup that define the
660 * contents of the beacon information element.
661 */
662 return 0;
663 }
664
665 static int
666 madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
667 int reason_code)
668 {
669 struct madwifi_driver_data *drv = priv;
670 struct ieee80211req_mlme mlme;
671 int ret;
672
673 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
674 __func__, ether_sprintf(addr), reason_code);
675
676 mlme.im_op = IEEE80211_MLME_DEAUTH;
677 mlme.im_reason = reason_code;
678 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
679 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
680 if (ret < 0) {
681 wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
682 " reason %d)",
683 __func__, MAC2STR(addr), reason_code);
684 }
685
686 return ret;
687 }
688
689 static int
690 madwifi_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
691 int reason_code)
692 {
693 struct madwifi_driver_data *drv = priv;
694 struct ieee80211req_mlme mlme;
695 int ret;
696
697 wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
698 __func__, ether_sprintf(addr), reason_code);
699
700 mlme.im_op = IEEE80211_MLME_DISASSOC;
701 mlme.im_reason = reason_code;
702 memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
703 ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
704 if (ret < 0) {
705 wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
706 MACSTR " reason %d)",
707 __func__, MAC2STR(addr), reason_code);
708 }
709
710 return ret;
711 }
712
713 #ifdef CONFIG_WPS
714 #ifdef IEEE80211_IOCTL_FILTERFRAME
715 static void madwifi_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf,
716 size_t len)
717 {
718 struct madwifi_driver_data *drv = ctx;
719 const struct ieee80211_mgmt *mgmt;
720 u16 fc;
721 union wpa_event_data event;
722
723 /* Send Probe Request information to WPS processing */
724
725 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
726 return;
727 mgmt = (const struct ieee80211_mgmt *) buf;
728
729 fc = le_to_host16(mgmt->frame_control);
730 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
731 WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_PROBE_REQ)
732 return;
733
734 os_memset(&event, 0, sizeof(event));
735 event.rx_probe_req.sa = mgmt->sa;
736 event.rx_probe_req.ie = mgmt->u.probe_req.variable;
737 event.rx_probe_req.ie_len =
738 len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
739 wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event);
740 }
741 #endif /* IEEE80211_IOCTL_FILTERFRAME */
742 #endif /* CONFIG_WPS */
743
744 static int madwifi_receive_probe_req(struct madwifi_driver_data *drv)
745 {
746 int ret = 0;
747 #ifdef CONFIG_WPS
748 #ifdef IEEE80211_IOCTL_FILTERFRAME
749 struct ieee80211req_set_filter filt;
750
751 wpa_printf(MSG_DEBUG, "%s Enter", __func__);
752 filt.app_filterype = IEEE80211_FILTER_TYPE_PROBE_REQ;
753
754 ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
755 sizeof(struct ieee80211req_set_filter));
756 if (ret)
757 return ret;
758
759 drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW,
760 madwifi_raw_receive, drv, 1);
761 if (drv->sock_raw == NULL)
762 return -1;
763 #endif /* IEEE80211_IOCTL_FILTERFRAME */
764 #endif /* CONFIG_WPS */
765 return ret;
766 }
767
768 #ifdef CONFIG_WPS
769 static int
770 madwifi_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype)
771 {
772 struct madwifi_driver_data *drv = priv;
773 u8 buf[256];
774 struct ieee80211req_getset_appiebuf *beac_ie;
775
776 wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
777 (unsigned long) len);
778
779 beac_ie = (struct ieee80211req_getset_appiebuf *) buf;
780 beac_ie->app_frmtype = frametype;
781 beac_ie->app_buflen = len;
782 memcpy(&(beac_ie->app_buf[0]), ie, len);
783
784 return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie,
785 sizeof(struct ieee80211req_getset_appiebuf) + len);
786 }
787
788 static int
789 madwifi_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
790 const struct wpabuf *proberesp)
791 {
792 if (madwifi_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL,
793 beacon ? wpabuf_len(beacon) : 0,
794 IEEE80211_APPIE_FRAME_BEACON) < 0)
795 return -1;
796 return madwifi_set_wps_ie(priv,
797 proberesp ? wpabuf_head(proberesp) : NULL,
798 proberesp ? wpabuf_len(proberesp) : 0,
799 IEEE80211_APPIE_FRAME_PROBE_RESP);
800 }
801 #else /* CONFIG_WPS */
802 #define madwifi_set_ap_wps_ie NULL
803 #endif /* CONFIG_WPS */
804
805 static void
806 madwifi_new_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
807 {
808 struct hostapd_data *hapd = drv->hapd;
809 struct ieee80211req_wpaie ie;
810 int ielen = 0;
811 u8 *iebuf = NULL;
812
813 /*
814 * Fetch negotiated WPA/RSN parameters from the system.
815 */
816 memset(&ie, 0, sizeof(ie));
817 memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
818 if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
819 wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE",
820 __func__);
821 goto no_ie;
822 }
823 wpa_hexdump(MSG_MSGDUMP, "madwifi req WPA IE",
824 ie.wpa_ie, IEEE80211_MAX_OPT_IE);
825 iebuf = ie.wpa_ie;
826 /* madwifi seems to return some random data if WPA/RSN IE is not set.
827 * Assume the IE was not included if the IE type is unknown. */
828 if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
829 iebuf[1] = 0;
830 #ifdef MADWIFI_NG
831 wpa_hexdump(MSG_MSGDUMP, "madwifi req RSN IE",
832 ie.rsn_ie, IEEE80211_MAX_OPT_IE);
833 if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
834 /* madwifi-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not
835 * set. This is needed for WPA2. */
836 iebuf = ie.rsn_ie;
837 if (iebuf[0] != WLAN_EID_RSN)
838 iebuf[1] = 0;
839 }
840 #endif /* MADWIFI_NG */
841
842 ielen = iebuf[1];
843 if (ielen == 0)
844 iebuf = NULL;
845 else
846 ielen += 2;
847
848 no_ie:
849 drv_event_assoc(hapd, addr, iebuf, ielen);
850
851 if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
852 /* Cached accounting data is not valid anymore. */
853 memset(drv->acct_mac, 0, ETH_ALEN);
854 memset(&drv->acct_data, 0, sizeof(drv->acct_data));
855 }
856 }
857
858 static void
859 madwifi_wireless_event_wireless_custom(struct madwifi_driver_data *drv,
860 char *custom)
861 {
862 wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
863
864 if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
865 char *pos;
866 u8 addr[ETH_ALEN];
867 pos = strstr(custom, "addr=");
868 if (pos == NULL) {
869 wpa_printf(MSG_DEBUG,
870 "MLME-MICHAELMICFAILURE.indication "
871 "without sender address ignored");
872 return;
873 }
874 pos += 5;
875 if (hwaddr_aton(pos, addr) == 0) {
876 union wpa_event_data data;
877 os_memset(&data, 0, sizeof(data));
878 data.michael_mic_failure.unicast = 1;
879 data.michael_mic_failure.src = addr;
880 wpa_supplicant_event(drv->hapd,
881 EVENT_MICHAEL_MIC_FAILURE, &data);
882 } else {
883 wpa_printf(MSG_DEBUG,
884 "MLME-MICHAELMICFAILURE.indication "
885 "with invalid MAC address");
886 }
887 } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
888 char *key, *value;
889 u32 val;
890 key = custom;
891 while ((key = strchr(key, '\n')) != NULL) {
892 key++;
893 value = strchr(key, '=');
894 if (value == NULL)
895 continue;
896 *value++ = '\0';
897 val = strtoul(value, NULL, 10);
898 if (strcmp(key, "mac") == 0)
899 hwaddr_aton(value, drv->acct_mac);
900 else if (strcmp(key, "rx_packets") == 0)
901 drv->acct_data.rx_packets = val;
902 else if (strcmp(key, "tx_packets") == 0)
903 drv->acct_data.tx_packets = val;
904 else if (strcmp(key, "rx_bytes") == 0)
905 drv->acct_data.rx_bytes = val;
906 else if (strcmp(key, "tx_bytes") == 0)
907 drv->acct_data.tx_bytes = val;
908 key = value;
909 }
910 }
911 }
912
913 static void
914 madwifi_wireless_event_wireless(struct madwifi_driver_data *drv,
915 char *data, int len)
916 {
917 struct iw_event iwe_buf, *iwe = &iwe_buf;
918 char *pos, *end, *custom, *buf;
919
920 pos = data;
921 end = data + len;
922
923 while (pos + IW_EV_LCP_LEN <= end) {
924 /* Event data may be unaligned, so make a local, aligned copy
925 * before processing. */
926 memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
927 wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
928 iwe->cmd, iwe->len);
929 if (iwe->len <= IW_EV_LCP_LEN)
930 return;
931
932 custom = pos + IW_EV_POINT_LEN;
933 if (drv->we_version > 18 &&
934 (iwe->cmd == IWEVMICHAELMICFAILURE ||
935 iwe->cmd == IWEVCUSTOM)) {
936 /* WE-19 removed the pointer from struct iw_point */
937 char *dpos = (char *) &iwe_buf.u.data.length;
938 int dlen = dpos - (char *) &iwe_buf;
939 memcpy(dpos, pos + IW_EV_LCP_LEN,
940 sizeof(struct iw_event) - dlen);
941 } else {
942 memcpy(&iwe_buf, pos, sizeof(struct iw_event));
943 custom += IW_EV_POINT_OFF;
944 }
945
946 switch (iwe->cmd) {
947 case IWEVEXPIRED:
948 drv_event_disassoc(drv->hapd,
949 (u8 *) iwe->u.addr.sa_data);
950 break;
951 case IWEVREGISTERED:
952 madwifi_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
953 break;
954 case IWEVCUSTOM:
955 if (custom + iwe->u.data.length > end)
956 return;
957 buf = malloc(iwe->u.data.length + 1);
958 if (buf == NULL)
959 return; /* XXX */
960 memcpy(buf, custom, iwe->u.data.length);
961 buf[iwe->u.data.length] = '\0';
962 madwifi_wireless_event_wireless_custom(drv, buf);
963 free(buf);
964 break;
965 }
966
967 pos += iwe->len;
968 }
969 }
970
971
972 static void
973 madwifi_wireless_event_rtm_newlink(void *ctx, struct ifinfomsg *ifi,
974 u8 *buf, size_t len)
975 {
976 struct madwifi_driver_data *drv = ctx;
977 int attrlen, rta_len;
978 struct rtattr *attr;
979
980 if (ifi->ifi_index != drv->ifindex)
981 return;
982
983 attrlen = len;
984 attr = (struct rtattr *) buf;
985
986 rta_len = RTA_ALIGN(sizeof(struct rtattr));
987 while (RTA_OK(attr, attrlen)) {
988 if (attr->rta_type == IFLA_WIRELESS) {
989 madwifi_wireless_event_wireless(
990 drv, ((char *) attr) + rta_len,
991 attr->rta_len - rta_len);
992 }
993 attr = RTA_NEXT(attr, attrlen);
994 }
995 }
996
997
998 static int
999 madwifi_get_we_version(struct madwifi_driver_data *drv)
1000 {
1001 struct iw_range *range;
1002 struct iwreq iwr;
1003 int minlen;
1004 size_t buflen;
1005
1006 drv->we_version = 0;
1007
1008 /*
1009 * Use larger buffer than struct iw_range in order to allow the
1010 * structure to grow in the future.
1011 */
1012 buflen = sizeof(struct iw_range) + 500;
1013 range = os_zalloc(buflen);
1014 if (range == NULL)
1015 return -1;
1016
1017 memset(&iwr, 0, sizeof(iwr));
1018 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1019 iwr.u.data.pointer = (caddr_t) range;
1020 iwr.u.data.length = buflen;
1021
1022 minlen = ((char *) &range->enc_capa) - (char *) range +
1023 sizeof(range->enc_capa);
1024
1025 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
1026 perror("ioctl[SIOCGIWRANGE]");
1027 free(range);
1028 return -1;
1029 } else if (iwr.u.data.length >= minlen &&
1030 range->we_version_compiled >= 18) {
1031 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
1032 "WE(source)=%d enc_capa=0x%x",
1033 range->we_version_compiled,
1034 range->we_version_source,
1035 range->enc_capa);
1036 drv->we_version = range->we_version_compiled;
1037 }
1038
1039 free(range);
1040 return 0;
1041 }
1042
1043
1044 static int
1045 madwifi_wireless_event_init(struct madwifi_driver_data *drv)
1046 {
1047 struct netlink_config *cfg;
1048
1049 madwifi_get_we_version(drv);
1050
1051 cfg = os_zalloc(sizeof(*cfg));
1052 if (cfg == NULL)
1053 return -1;
1054 cfg->ctx = drv;
1055 cfg->newlink_cb = madwifi_wireless_event_rtm_newlink;
1056 drv->netlink = netlink_init(cfg);
1057 if (drv->netlink == NULL) {
1058 os_free(cfg);
1059 return -1;
1060 }
1061
1062 return 0;
1063 }
1064
1065
1066 static int
1067 madwifi_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
1068 int encrypt, const u8 *own_addr)
1069 {
1070 struct madwifi_driver_data *drv = priv;
1071 unsigned char buf[3000];
1072 unsigned char *bp = buf;
1073 struct l2_ethhdr *eth;
1074 size_t len;
1075 int status;
1076
1077 /*
1078 * Prepend the Ethernet header. If the caller left us
1079 * space at the front we could just insert it but since
1080 * we don't know we copy to a local buffer. Given the frequency
1081 * and size of frames this probably doesn't matter.
1082 */
1083 len = data_len + sizeof(struct l2_ethhdr);
1084 if (len > sizeof(buf)) {
1085 bp = malloc(len);
1086 if (bp == NULL) {
1087 printf("EAPOL frame discarded, cannot malloc temp "
1088 "buffer of size %lu!\n", (unsigned long) len);
1089 return -1;
1090 }
1091 }
1092 eth = (struct l2_ethhdr *) bp;
1093 memcpy(eth->h_dest, addr, ETH_ALEN);
1094 memcpy(eth->h_source, own_addr, ETH_ALEN);
1095 eth->h_proto = host_to_be16(ETH_P_EAPOL);
1096 memcpy(eth+1, data, data_len);
1097
1098 wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
1099
1100 status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
1101
1102 if (bp != buf)
1103 free(bp);
1104 return status;
1105 }
1106
1107 static void
1108 handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
1109 {
1110 struct madwifi_driver_data *drv = ctx;
1111 drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr),
1112 len - sizeof(struct l2_ethhdr));
1113 }
1114
1115 static void *
1116 madwifi_init(struct hostapd_data *hapd, struct wpa_init_params *params)
1117 {
1118 struct madwifi_driver_data *drv;
1119 struct ifreq ifr;
1120 struct iwreq iwr;
1121 char brname[IFNAMSIZ];
1122
1123 drv = os_zalloc(sizeof(struct madwifi_driver_data));
1124 if (drv == NULL) {
1125 printf("Could not allocate memory for madwifi driver data\n");
1126 return NULL;
1127 }
1128
1129 drv->hapd = hapd;
1130 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
1131 if (drv->ioctl_sock < 0) {
1132 perror("socket[PF_INET,SOCK_DGRAM]");
1133 goto bad;
1134 }
1135 memcpy(drv->iface, params->ifname, sizeof(drv->iface));
1136
1137 memset(&ifr, 0, sizeof(ifr));
1138 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
1139 if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
1140 perror("ioctl(SIOCGIFINDEX)");
1141 goto bad;
1142 }
1143 drv->ifindex = ifr.ifr_ifindex;
1144
1145 drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
1146 handle_read, drv, 1);
1147 if (drv->sock_xmit == NULL)
1148 goto bad;
1149 if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
1150 goto bad;
1151 if (params->bridge[0]) {
1152 wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
1153 params->bridge[0]);
1154 drv->sock_recv = l2_packet_init(params->bridge[0], NULL,
1155 ETH_P_EAPOL, handle_read, drv,
1156 1);
1157 if (drv->sock_recv == NULL)
1158 goto bad;
1159 } else if (linux_br_get(brname, drv->iface) == 0) {
1160 wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for "
1161 "EAPOL receive", brname);
1162 drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL,
1163 handle_read, drv, 1);
1164 if (drv->sock_recv == NULL)
1165 goto bad;
1166 } else
1167 drv->sock_recv = drv->sock_xmit;
1168
1169 memset(&iwr, 0, sizeof(iwr));
1170 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1171
1172 iwr.u.mode = IW_MODE_MASTER;
1173
1174 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
1175 perror("ioctl[SIOCSIWMODE]");
1176 printf("Could not set interface to master mode!\n");
1177 goto bad;
1178 }
1179
1180 /* mark down during setup */
1181 linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
1182 madwifi_set_privacy(drv, 0); /* default to no privacy */
1183
1184 madwifi_receive_probe_req(drv);
1185
1186 if (madwifi_wireless_event_init(drv))
1187 goto bad;
1188
1189 return drv;
1190 bad:
1191 if (drv->sock_xmit != NULL)
1192 l2_packet_deinit(drv->sock_xmit);
1193 if (drv->ioctl_sock >= 0)
1194 close(drv->ioctl_sock);
1195 if (drv != NULL)
1196 free(drv);
1197 return NULL;
1198 }
1199
1200
1201 static void
1202 madwifi_deinit(void *priv)
1203 {
1204 struct madwifi_driver_data *drv = priv;
1205
1206 netlink_deinit(drv->netlink);
1207 (void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
1208 if (drv->ioctl_sock >= 0)
1209 close(drv->ioctl_sock);
1210 if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
1211 l2_packet_deinit(drv->sock_recv);
1212 if (drv->sock_xmit != NULL)
1213 l2_packet_deinit(drv->sock_xmit);
1214 if (drv->sock_raw)
1215 l2_packet_deinit(drv->sock_raw);
1216 free(drv);
1217 }
1218
1219 static int
1220 madwifi_set_ssid(void *priv, const u8 *buf, int len)
1221 {
1222 struct madwifi_driver_data *drv = priv;
1223 struct iwreq iwr;
1224
1225 memset(&iwr, 0, sizeof(iwr));
1226 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1227 iwr.u.essid.flags = 1; /* SSID active */
1228 iwr.u.essid.pointer = (caddr_t) buf;
1229 iwr.u.essid.length = len + 1;
1230
1231 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
1232 perror("ioctl[SIOCSIWESSID]");
1233 printf("len=%d\n", len);
1234 return -1;
1235 }
1236 return 0;
1237 }
1238
1239 static int
1240 madwifi_get_ssid(void *priv, u8 *buf, int len)
1241 {
1242 struct madwifi_driver_data *drv = priv;
1243 struct iwreq iwr;
1244 int ret = 0;
1245
1246 memset(&iwr, 0, sizeof(iwr));
1247 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
1248 iwr.u.essid.pointer = (caddr_t) buf;
1249 iwr.u.essid.length = len;
1250
1251 if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
1252 perror("ioctl[SIOCGIWESSID]");
1253 ret = -1;
1254 } else
1255 ret = iwr.u.essid.length;
1256
1257 return ret;
1258 }
1259
1260 static int
1261 madwifi_set_countermeasures(void *priv, int enabled)
1262 {
1263 struct madwifi_driver_data *drv = priv;
1264 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1265 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
1266 }
1267
1268 static int
1269 madwifi_commit(void *priv)
1270 {
1271 struct madwifi_driver_data *drv = priv;
1272 return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1);
1273 }
1274
1275 #else /* HOSTAPD */
1276
1277 struct wpa_driver_madwifi_data {
1278 void *wext; /* private data for driver_wext */
1279 void *ctx;
1280 char ifname[IFNAMSIZ + 1];
1281 int sock;
1282 };
1283
1284 static int wpa_driver_madwifi_set_auth_alg(void *priv, int auth_alg);
1285 static int wpa_driver_madwifi_set_probe_req_ie(void *priv, const u8 *ies,
1286 size_t ies_len);
1287
1288
1289 static int
1290 set80211priv(struct wpa_driver_madwifi_data *drv, int op, void *data, int len,
1291 int show_err)
1292 {
1293 struct iwreq iwr;
1294
1295 os_memset(&iwr, 0, sizeof(iwr));
1296 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1297 if (len < IFNAMSIZ &&
1298 op != IEEE80211_IOCTL_SET_APPIEBUF) {
1299 /*
1300 * Argument data fits inline; put it there.
1301 */
1302 os_memcpy(iwr.u.name, data, len);
1303 } else {
1304 /*
1305 * Argument data too big for inline transfer; setup a
1306 * parameter block instead; the kernel will transfer
1307 * the data for the driver.
1308 */
1309 iwr.u.data.pointer = data;
1310 iwr.u.data.length = len;
1311 }
1312
1313 if (ioctl(drv->sock, op, &iwr) < 0) {
1314 if (show_err) {
1315 #ifdef MADWIFI_NG
1316 int first = IEEE80211_IOCTL_SETPARAM;
1317 int last = IEEE80211_IOCTL_KICKMAC;
1318 static const char *opnames[] = {
1319 "ioctl[IEEE80211_IOCTL_SETPARAM]",
1320 "ioctl[IEEE80211_IOCTL_GETPARAM]",
1321 "ioctl[IEEE80211_IOCTL_SETMODE]",
1322 "ioctl[IEEE80211_IOCTL_GETMODE]",
1323 "ioctl[IEEE80211_IOCTL_SETWMMPARAMS]",
1324 "ioctl[IEEE80211_IOCTL_GETWMMPARAMS]",
1325 "ioctl[IEEE80211_IOCTL_SETCHANLIST]",
1326 "ioctl[IEEE80211_IOCTL_GETCHANLIST]",
1327 "ioctl[IEEE80211_IOCTL_CHANSWITCH]",
1328 NULL,
1329 "ioctl[IEEE80211_IOCTL_SET_APPIEBUF]",
1330 "ioctl[IEEE80211_IOCTL_GETSCANRESULTS]",
1331 NULL,
1332 "ioctl[IEEE80211_IOCTL_GETCHANINFO]",
1333 "ioctl[IEEE80211_IOCTL_SETOPTIE]",
1334 "ioctl[IEEE80211_IOCTL_GETOPTIE]",
1335 "ioctl[IEEE80211_IOCTL_SETMLME]",
1336 NULL,
1337 "ioctl[IEEE80211_IOCTL_SETKEY]",
1338 NULL,
1339 "ioctl[IEEE80211_IOCTL_DELKEY]",
1340 NULL,
1341 "ioctl[IEEE80211_IOCTL_ADDMAC]",
1342 NULL,
1343 "ioctl[IEEE80211_IOCTL_DELMAC]",
1344 NULL,
1345 "ioctl[IEEE80211_IOCTL_WDSMAC]",
1346 NULL,
1347 "ioctl[IEEE80211_IOCTL_WDSDELMAC]",
1348 NULL,
1349 "ioctl[IEEE80211_IOCTL_KICKMAC]",
1350 };
1351 #else /* MADWIFI_NG */
1352 int first = IEEE80211_IOCTL_SETPARAM;
1353 int last = IEEE80211_IOCTL_CHANLIST;
1354 static const char *opnames[] = {
1355 "ioctl[IEEE80211_IOCTL_SETPARAM]",
1356 "ioctl[IEEE80211_IOCTL_GETPARAM]",
1357 "ioctl[IEEE80211_IOCTL_SETKEY]",
1358 "ioctl[IEEE80211_IOCTL_GETKEY]",
1359 "ioctl[IEEE80211_IOCTL_DELKEY]",
1360 NULL,
1361 "ioctl[IEEE80211_IOCTL_SETMLME]",
1362 NULL,
1363 "ioctl[IEEE80211_IOCTL_SETOPTIE]",
1364 "ioctl[IEEE80211_IOCTL_GETOPTIE]",
1365 "ioctl[IEEE80211_IOCTL_ADDMAC]",
1366 NULL,
1367 "ioctl[IEEE80211_IOCTL_DELMAC]",
1368 NULL,
1369 "ioctl[IEEE80211_IOCTL_CHANLIST]",
1370 };
1371 #endif /* MADWIFI_NG */
1372 int idx = op - first;
1373 if (first <= op && op <= last &&
1374 idx < (int) (sizeof(opnames) / sizeof(opnames[0]))
1375 && opnames[idx])
1376 perror(opnames[idx]);
1377 else
1378 perror("ioctl[unknown???]");
1379 }
1380 return -1;
1381 }
1382 return 0;
1383 }
1384
1385 static int
1386 set80211param(struct wpa_driver_madwifi_data *drv, int op, int arg,
1387 int show_err)
1388 {
1389 struct iwreq iwr;
1390
1391 os_memset(&iwr, 0, sizeof(iwr));
1392 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1393 iwr.u.mode = op;
1394 os_memcpy(iwr.u.name+sizeof(u32), &arg, sizeof(arg));
1395
1396 if (ioctl(drv->sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
1397 if (show_err)
1398 perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
1399 return -1;
1400 }
1401 return 0;
1402 }
1403
1404 static int
1405 wpa_driver_madwifi_set_wpa_ie(struct wpa_driver_madwifi_data *drv,
1406 const u8 *wpa_ie, size_t wpa_ie_len)
1407 {
1408 struct iwreq iwr;
1409
1410 os_memset(&iwr, 0, sizeof(iwr));
1411 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1412 /* NB: SETOPTIE is not fixed-size so must not be inlined */
1413 iwr.u.data.pointer = (void *) wpa_ie;
1414 iwr.u.data.length = wpa_ie_len;
1415
1416 if (ioctl(drv->sock, IEEE80211_IOCTL_SETOPTIE, &iwr) < 0) {
1417 perror("ioctl[IEEE80211_IOCTL_SETOPTIE]");
1418 return -1;
1419 }
1420 return 0;
1421 }
1422
1423 static int
1424 wpa_driver_madwifi_del_key(struct wpa_driver_madwifi_data *drv, int key_idx,
1425 const u8 *addr)
1426 {
1427 struct ieee80211req_del_key wk;
1428
1429 wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __FUNCTION__, key_idx);
1430 os_memset(&wk, 0, sizeof(wk));
1431 wk.idk_keyix = key_idx;
1432 if (addr != NULL)
1433 os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
1434
1435 return set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk), 1);
1436 }
1437
1438 static int
1439 wpa_driver_madwifi_set_key(const char *ifname, void *priv, enum wpa_alg alg,
1440 const u8 *addr, int key_idx, int set_tx,
1441 const u8 *seq, size_t seq_len,
1442 const u8 *key, size_t key_len)
1443 {
1444 struct wpa_driver_madwifi_data *drv = priv;
1445 struct ieee80211req_key wk;
1446 char *alg_name;
1447 u_int8_t cipher;
1448
1449 if (alg == WPA_ALG_NONE)
1450 return wpa_driver_madwifi_del_key(drv, key_idx, addr);
1451
1452 switch (alg) {
1453 case WPA_ALG_WEP:
1454 if (addr == NULL || os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
1455 ETH_ALEN) == 0) {
1456 /*
1457 * madwifi did not seem to like static WEP key
1458 * configuration with IEEE80211_IOCTL_SETKEY, so use
1459 * Linux wireless extensions ioctl for this.
1460 */
1461 return wpa_driver_wext_set_key(ifname, drv->wext, alg,
1462 addr, key_idx, set_tx,
1463 seq, seq_len,
1464 key, key_len);
1465 }
1466 alg_name = "WEP";
1467 cipher = IEEE80211_CIPHER_WEP;
1468 break;
1469 case WPA_ALG_TKIP:
1470 alg_name = "TKIP";
1471 cipher = IEEE80211_CIPHER_TKIP;
1472 break;
1473 case WPA_ALG_CCMP:
1474 alg_name = "CCMP";
1475 cipher = IEEE80211_CIPHER_AES_CCM;
1476 break;
1477 default:
1478 wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d",
1479 __FUNCTION__, alg);
1480 return -1;
1481 }
1482
1483 wpa_printf(MSG_DEBUG, "%s: alg=%s key_idx=%d set_tx=%d seq_len=%lu "
1484 "key_len=%lu", __FUNCTION__, alg_name, key_idx, set_tx,
1485 (unsigned long) seq_len, (unsigned long) key_len);
1486
1487 if (seq_len > sizeof(u_int64_t)) {
1488 wpa_printf(MSG_DEBUG, "%s: seq_len %lu too big",
1489 __FUNCTION__, (unsigned long) seq_len);
1490 return -2;
1491 }
1492 if (key_len > sizeof(wk.ik_keydata)) {
1493 wpa_printf(MSG_DEBUG, "%s: key length %lu too big",
1494 __FUNCTION__, (unsigned long) key_len);
1495 return -3;
1496 }
1497
1498 os_memset(&wk, 0, sizeof(wk));
1499 wk.ik_type = cipher;
1500 wk.ik_flags = IEEE80211_KEY_RECV;
1501 if (addr == NULL ||
1502 os_memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0)
1503 wk.ik_flags |= IEEE80211_KEY_GROUP;
1504 if (set_tx) {
1505 wk.ik_flags |= IEEE80211_KEY_XMIT | IEEE80211_KEY_DEFAULT;
1506 os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
1507 } else
1508 os_memset(wk.ik_macaddr, 0, IEEE80211_ADDR_LEN);
1509 wk.ik_keyix = key_idx;
1510 wk.ik_keylen = key_len;
1511 #ifdef WORDS_BIGENDIAN
1512 #define WPA_KEY_RSC_LEN 8
1513 {
1514 size_t i;
1515 u8 tmp[WPA_KEY_RSC_LEN];
1516 os_memset(tmp, 0, sizeof(tmp));
1517 for (i = 0; i < seq_len; i++)
1518 tmp[WPA_KEY_RSC_LEN - i - 1] = seq[i];
1519 os_memcpy(&wk.ik_keyrsc, tmp, WPA_KEY_RSC_LEN);
1520 }
1521 #else /* WORDS_BIGENDIAN */
1522 os_memcpy(&wk.ik_keyrsc, seq, seq_len);
1523 #endif /* WORDS_BIGENDIAN */
1524 os_memcpy(wk.ik_keydata, key, key_len);
1525
1526 return set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk), 1);
1527 }
1528
1529 static int
1530 wpa_driver_madwifi_set_countermeasures(void *priv, int enabled)
1531 {
1532 struct wpa_driver_madwifi_data *drv = priv;
1533 wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
1534 return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled, 1);
1535 }
1536
1537 static int
1538 wpa_driver_madwifi_deauthenticate(void *priv, const u8 *addr, int reason_code)
1539 {
1540 struct wpa_driver_madwifi_data *drv = priv;
1541 struct ieee80211req_mlme mlme;
1542
1543 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1544 mlme.im_op = IEEE80211_MLME_DEAUTH;
1545 mlme.im_reason = reason_code;
1546 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1547 return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1);
1548 }
1549
1550 static int
1551 wpa_driver_madwifi_disassociate(void *priv, const u8 *addr, int reason_code)
1552 {
1553 struct wpa_driver_madwifi_data *drv = priv;
1554 struct ieee80211req_mlme mlme;
1555
1556 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1557 mlme.im_op = IEEE80211_MLME_DISASSOC;
1558 mlme.im_reason = reason_code;
1559 os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
1560 return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1);
1561 }
1562
1563 static int
1564 wpa_driver_madwifi_associate(void *priv,
1565 struct wpa_driver_associate_params *params)
1566 {
1567 struct wpa_driver_madwifi_data *drv = priv;
1568 struct ieee80211req_mlme mlme;
1569 int ret = 0, privacy = 1;
1570
1571 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1572
1573 if (set80211param(drv, IEEE80211_PARAM_DROPUNENCRYPTED,
1574 params->drop_unencrypted, 1) < 0)
1575 ret = -1;
1576 if (wpa_driver_madwifi_set_auth_alg(drv, params->auth_alg) < 0)
1577 ret = -1;
1578
1579 /*
1580 * NB: Don't need to set the freq or cipher-related state as
1581 * this is implied by the bssid which is used to locate
1582 * the scanned node state which holds it. The ssid is
1583 * needed to disambiguate an AP that broadcasts multiple
1584 * ssid's but uses the same bssid.
1585 */
1586 /* XXX error handling is wrong but unclear what to do... */
1587 if (wpa_driver_madwifi_set_wpa_ie(drv, params->wpa_ie,
1588 params->wpa_ie_len) < 0)
1589 ret = -1;
1590
1591 if (params->pairwise_suite == CIPHER_NONE &&
1592 params->group_suite == CIPHER_NONE &&
1593 params->key_mgmt_suite == KEY_MGMT_NONE &&
1594 params->wpa_ie_len == 0)
1595 privacy = 0;
1596
1597 if (set80211param(drv, IEEE80211_PARAM_PRIVACY, privacy, 1) < 0)
1598 ret = -1;
1599
1600 if (params->wpa_ie_len &&
1601 set80211param(drv, IEEE80211_PARAM_WPA,
1602 params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1, 1) < 0)
1603 ret = -1;
1604
1605 if (params->bssid == NULL) {
1606 /* ap_scan=2 mode - driver takes care of AP selection and
1607 * roaming */
1608 /* FIX: this does not seem to work; would probably need to
1609 * change something in the driver */
1610 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0)
1611 ret = -1;
1612
1613 if (wpa_driver_wext_set_ssid(drv->wext, params->ssid,
1614 params->ssid_len) < 0)
1615 ret = -1;
1616 } else {
1617 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0)
1618 ret = -1;
1619 if (wpa_driver_wext_set_ssid(drv->wext, params->ssid,
1620 params->ssid_len) < 0)
1621 ret = -1;
1622 os_memset(&mlme, 0, sizeof(mlme));
1623 mlme.im_op = IEEE80211_MLME_ASSOC;
1624 os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
1625 if (set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
1626 sizeof(mlme), 1) < 0) {
1627 wpa_printf(MSG_DEBUG, "%s: SETMLME[ASSOC] failed",
1628 __func__);
1629 ret = -1;
1630 }
1631 }
1632
1633 return ret;
1634 }
1635
1636 static int
1637 wpa_driver_madwifi_set_auth_alg(void *priv, int auth_alg)
1638 {
1639 struct wpa_driver_madwifi_data *drv = priv;
1640 int authmode;
1641
1642 if ((auth_alg & WPA_AUTH_ALG_OPEN) &&
1643 (auth_alg & WPA_AUTH_ALG_SHARED))
1644 authmode = IEEE80211_AUTH_AUTO;
1645 else if (auth_alg & WPA_AUTH_ALG_SHARED)
1646 authmode = IEEE80211_AUTH_SHARED;
1647 else
1648 authmode = IEEE80211_AUTH_OPEN;
1649
1650 return set80211param(drv, IEEE80211_PARAM_AUTHMODE, authmode, 1);
1651 }
1652
1653 static int
1654 wpa_driver_madwifi_scan(void *priv, struct wpa_driver_scan_params *params)
1655 {
1656 struct wpa_driver_madwifi_data *drv = priv;
1657 struct iwreq iwr;
1658 int ret = 0;
1659 const u8 *ssid = params->ssids[0].ssid;
1660 size_t ssid_len = params->ssids[0].ssid_len;
1661
1662 wpa_driver_madwifi_set_probe_req_ie(drv, params->extra_ies,
1663 params->extra_ies_len);
1664
1665 os_memset(&iwr, 0, sizeof(iwr));
1666 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1667
1668 /* set desired ssid before scan */
1669 /* FIX: scan should not break the current association, so using
1670 * set_ssid may not be the best way of doing this.. */
1671 if (wpa_driver_wext_set_ssid(drv->wext, ssid, ssid_len) < 0)
1672 ret = -1;
1673
1674 if (ioctl(drv->sock, SIOCSIWSCAN, &iwr) < 0) {
1675 perror("ioctl[SIOCSIWSCAN]");
1676 ret = -1;
1677 }
1678
1679 /*
1680 * madwifi delivers a scan complete event so no need to poll, but
1681 * register a backup timeout anyway to make sure that we recover even
1682 * if the driver does not send this event for any reason. This timeout
1683 * will only be used if the event is not delivered (event handler will
1684 * cancel the timeout).
1685 */
1686 eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv->wext,
1687 drv->ctx);
1688 eloop_register_timeout(30, 0, wpa_driver_wext_scan_timeout, drv->wext,
1689 drv->ctx);
1690
1691 return ret;
1692 }
1693
1694 static int wpa_driver_madwifi_get_bssid(void *priv, u8 *bssid)
1695 {
1696 struct wpa_driver_madwifi_data *drv = priv;
1697 return wpa_driver_wext_get_bssid(drv->wext, bssid);
1698 }
1699
1700
1701 static int wpa_driver_madwifi_get_ssid(void *priv, u8 *ssid)
1702 {
1703 struct wpa_driver_madwifi_data *drv = priv;
1704 return wpa_driver_wext_get_ssid(drv->wext, ssid);
1705 }
1706
1707
1708 static struct wpa_scan_results *
1709 wpa_driver_madwifi_get_scan_results(void *priv)
1710 {
1711 struct wpa_driver_madwifi_data *drv = priv;
1712 return wpa_driver_wext_get_scan_results(drv->wext);
1713 }
1714
1715
1716 static int wpa_driver_madwifi_set_operstate(void *priv, int state)
1717 {
1718 struct wpa_driver_madwifi_data *drv = priv;
1719 return wpa_driver_wext_set_operstate(drv->wext, state);
1720 }
1721
1722
1723 static int wpa_driver_madwifi_set_probe_req_ie(void *priv, const u8 *ies,
1724 size_t ies_len)
1725 {
1726 struct ieee80211req_getset_appiebuf *probe_req_ie;
1727 int ret;
1728
1729 probe_req_ie = os_malloc(sizeof(*probe_req_ie) + ies_len);
1730 if (probe_req_ie == NULL)
1731 return -1;
1732
1733 probe_req_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_REQ;
1734 probe_req_ie->app_buflen = ies_len;
1735 os_memcpy(probe_req_ie->app_buf, ies, ies_len);
1736
1737 ret = set80211priv(priv, IEEE80211_IOCTL_SET_APPIEBUF, probe_req_ie,
1738 sizeof(struct ieee80211req_getset_appiebuf) +
1739 ies_len, 1);
1740
1741 os_free(probe_req_ie);
1742
1743 return ret;
1744 }
1745
1746
1747 static void * wpa_driver_madwifi_init(void *ctx, const char *ifname)
1748 {
1749 struct wpa_driver_madwifi_data *drv;
1750
1751 drv = os_zalloc(sizeof(*drv));
1752 if (drv == NULL)
1753 return NULL;
1754 drv->wext = wpa_driver_wext_init(ctx, ifname);
1755 if (drv->wext == NULL)
1756 goto fail;
1757
1758 drv->ctx = ctx;
1759 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
1760 drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
1761 if (drv->sock < 0)
1762 goto fail2;
1763
1764 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0) {
1765 wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based "
1766 "roaming", __FUNCTION__);
1767 goto fail3;
1768 }
1769
1770 if (set80211param(drv, IEEE80211_PARAM_WPA, 3, 1) < 0) {
1771 wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support",
1772 __FUNCTION__);
1773 goto fail3;
1774 }
1775
1776 return drv;
1777
1778 fail3:
1779 close(drv->sock);
1780 fail2:
1781 wpa_driver_wext_deinit(drv->wext);
1782 fail:
1783 os_free(drv);
1784 return NULL;
1785 }
1786
1787
1788 static void wpa_driver_madwifi_deinit(void *priv)
1789 {
1790 struct wpa_driver_madwifi_data *drv = priv;
1791
1792 if (wpa_driver_madwifi_set_wpa_ie(drv, NULL, 0) < 0) {
1793 wpa_printf(MSG_DEBUG, "%s: failed to clear WPA IE",
1794 __FUNCTION__);
1795 }
1796 if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0) {
1797 wpa_printf(MSG_DEBUG, "%s: failed to enable driver-based "
1798 "roaming", __FUNCTION__);
1799 }
1800 if (set80211param(drv, IEEE80211_PARAM_PRIVACY, 0, 1) < 0) {
1801 wpa_printf(MSG_DEBUG, "%s: failed to disable forced Privacy "
1802 "flag", __FUNCTION__);
1803 }
1804 if (set80211param(drv, IEEE80211_PARAM_WPA, 0, 1) < 0) {
1805 wpa_printf(MSG_DEBUG, "%s: failed to disable WPA",
1806 __FUNCTION__);
1807 }
1808
1809 wpa_driver_wext_deinit(drv->wext);
1810
1811 close(drv->sock);
1812 os_free(drv);
1813 }
1814
1815 #endif /* HOSTAPD */
1816
1817
1818 const struct wpa_driver_ops wpa_driver_madwifi_ops = {
1819 .name = "madwifi",
1820 .desc = "MADWIFI 802.11 support (Atheros, etc.)",
1821 .set_key = wpa_driver_madwifi_set_key,
1822 #ifdef HOSTAPD
1823 .hapd_init = madwifi_init,
1824 .hapd_deinit = madwifi_deinit,
1825 .set_ieee8021x = madwifi_set_ieee8021x,
1826 .set_privacy = madwifi_set_privacy,
1827 .get_seqnum = madwifi_get_seqnum,
1828 .flush = madwifi_flush,
1829 .set_generic_elem = madwifi_set_opt_ie,
1830 .sta_set_flags = madwifi_sta_set_flags,
1831 .read_sta_data = madwifi_read_sta_driver_data,
1832 .hapd_send_eapol = madwifi_send_eapol,
1833 .sta_disassoc = madwifi_sta_disassoc,
1834 .sta_deauth = madwifi_sta_deauth,
1835 .hapd_set_ssid = madwifi_set_ssid,
1836 .hapd_get_ssid = madwifi_get_ssid,
1837 .hapd_set_countermeasures = madwifi_set_countermeasures,
1838 .sta_clear_stats = madwifi_sta_clear_stats,
1839 .commit = madwifi_commit,
1840 .set_ap_wps_ie = madwifi_set_ap_wps_ie,
1841 #else /* HOSTAPD */
1842 .get_bssid = wpa_driver_madwifi_get_bssid,
1843 .get_ssid = wpa_driver_madwifi_get_ssid,
1844 .init = wpa_driver_madwifi_init,
1845 .deinit = wpa_driver_madwifi_deinit,
1846 .set_countermeasures = wpa_driver_madwifi_set_countermeasures,
1847 .scan2 = wpa_driver_madwifi_scan,
1848 .get_scan_results2 = wpa_driver_madwifi_get_scan_results,
1849 .deauthenticate = wpa_driver_madwifi_deauthenticate,
1850 .disassociate = wpa_driver_madwifi_disassociate,
1851 .associate = wpa_driver_madwifi_associate,
1852 .set_operstate = wpa_driver_madwifi_set_operstate,
1853 #endif /* HOSTAPD */
1854 };
Mirror of AROS' svn.