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