2 * WPA Supplicant - driver interaction with generic Linux Wireless Extensions
3 * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
14 * This file implements a driver interface for the Linux Wireless Extensions.
15 * When used with WE-18 or newer, this interface can be used as-is with number
16 * of drivers. In addition to this, some of the common functions in this file
17 * can be used by other driver interface implementations that use generic WE
18 * ioctls, but require private ioctls for some of the functionality.
22 #include <sys/ioctl.h>
23 #include <net/if_arp.h>
25 #include "wireless_copy.h"
29 #include "priv_netlink.h"
30 #include "driver_wext.h"
31 #include "ieee802_11_defs.h"
32 #include "wpa_common.h"
35 static int wpa_driver_wext_flush_pmkid(void *priv);
36 static int wpa_driver_wext_get_range(void *priv);
37 static int wpa_driver_wext_finish_drv_init(struct wpa_driver_wext_data *drv);
40 static int wpa_driver_wext_send_oper_ifla(struct wpa_driver_wext_data *drv,
41 int linkmode, int operstate)
45 struct ifinfomsg ifinfo;
52 os_memset(&req, 0, sizeof(req));
54 req.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
55 req.hdr.nlmsg_type = RTM_SETLINK;
56 req.hdr.nlmsg_flags = NLM_F_REQUEST;
57 req.hdr.nlmsg_seq = ++nl_seq;
58 req.hdr.nlmsg_pid = 0;
60 req.ifinfo.ifi_family = AF_UNSPEC;
61 req.ifinfo.ifi_type = 0;
62 req.ifinfo.ifi_index = drv->ifindex;
63 req.ifinfo.ifi_flags = 0;
64 req.ifinfo.ifi_change = 0;
67 rta = (struct rtattr *)
68 ((char *) &req + NLMSG_ALIGN(req.hdr.nlmsg_len));
69 rta->rta_type = IFLA_LINKMODE;
70 rta->rta_len = RTA_LENGTH(sizeof(char));
71 *((char *) RTA_DATA(rta)) = linkmode;
72 req.hdr.nlmsg_len = NLMSG_ALIGN(req.hdr.nlmsg_len) +
73 RTA_LENGTH(sizeof(char));
75 if (operstate != -1) {
76 rta = (struct rtattr *)
77 ((char *) &req + NLMSG_ALIGN(req.hdr.nlmsg_len));
78 rta->rta_type = IFLA_OPERSTATE;
79 rta->rta_len = RTA_LENGTH(sizeof(char));
80 *((char *) RTA_DATA(rta)) = operstate;
81 req.hdr.nlmsg_len = NLMSG_ALIGN(req.hdr.nlmsg_len) +
82 RTA_LENGTH(sizeof(char));
85 wpa_printf(MSG_DEBUG, "WEXT: Operstate: linkmode=%d, operstate=%d",
88 ret = send(drv->event_sock, &req, req.hdr.nlmsg_len, 0);
90 wpa_printf(MSG_DEBUG, "WEXT: Sending operstate IFLA failed: "
91 "%s (assume operstate is not supported)",
95 return ret < 0 ? -1 : 0;
99 int wpa_driver_wext_set_auth_param(struct wpa_driver_wext_data *drv,
105 os_memset(&iwr, 0, sizeof(iwr));
106 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
107 iwr.u.param.flags = idx & IW_AUTH_INDEX;
108 iwr.u.param.value = value;
110 if (ioctl(drv->ioctl_sock, SIOCSIWAUTH, &iwr) < 0) {
111 if (errno != EOPNOTSUPP) {
112 wpa_printf(MSG_DEBUG, "WEXT: SIOCSIWAUTH(param %d "
113 "value 0x%x) failed: %s)",
114 idx, value, strerror(errno));
116 ret = errno == EOPNOTSUPP ? -2 : -1;
124 * wpa_driver_wext_get_bssid - Get BSSID, SIOCGIWAP
125 * @priv: Pointer to private wext data from wpa_driver_wext_init()
126 * @bssid: Buffer for BSSID
127 * Returns: 0 on success, -1 on failure
129 int wpa_driver_wext_get_bssid(void *priv, u8 *bssid)
131 struct wpa_driver_wext_data *drv = priv;
135 os_memset(&iwr, 0, sizeof(iwr));
136 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
138 if (ioctl(drv->ioctl_sock, SIOCGIWAP, &iwr) < 0) {
139 perror("ioctl[SIOCGIWAP]");
142 os_memcpy(bssid, iwr.u.ap_addr.sa_data, ETH_ALEN);
149 * wpa_driver_wext_set_bssid - Set BSSID, SIOCSIWAP
150 * @priv: Pointer to private wext data from wpa_driver_wext_init()
152 * Returns: 0 on success, -1 on failure
154 int wpa_driver_wext_set_bssid(void *priv, const u8 *bssid)
156 struct wpa_driver_wext_data *drv = priv;
160 os_memset(&iwr, 0, sizeof(iwr));
161 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
162 iwr.u.ap_addr.sa_family = ARPHRD_ETHER;
164 os_memcpy(iwr.u.ap_addr.sa_data, bssid, ETH_ALEN);
166 os_memset(iwr.u.ap_addr.sa_data, 0, ETH_ALEN);
168 if (ioctl(drv->ioctl_sock, SIOCSIWAP, &iwr) < 0) {
169 perror("ioctl[SIOCSIWAP]");
178 * wpa_driver_wext_get_ssid - Get SSID, SIOCGIWESSID
179 * @priv: Pointer to private wext data from wpa_driver_wext_init()
180 * @ssid: Buffer for the SSID; must be at least 32 bytes long
181 * Returns: SSID length on success, -1 on failure
183 int wpa_driver_wext_get_ssid(void *priv, u8 *ssid)
185 struct wpa_driver_wext_data *drv = priv;
189 os_memset(&iwr, 0, sizeof(iwr));
190 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
191 iwr.u.essid.pointer = (caddr_t) ssid;
192 iwr.u.essid.length = 32;
194 if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
195 perror("ioctl[SIOCGIWESSID]");
198 ret = iwr.u.essid.length;
201 /* Some drivers include nul termination in the SSID, so let's
202 * remove it here before further processing. WE-21 changes this
203 * to explicitly require the length _not_ to include nul
205 if (ret > 0 && ssid[ret - 1] == '\0' &&
206 drv->we_version_compiled < 21)
215 * wpa_driver_wext_set_ssid - Set SSID, SIOCSIWESSID
216 * @priv: Pointer to private wext data from wpa_driver_wext_init()
218 * @ssid_len: Length of SSID (0..32)
219 * Returns: 0 on success, -1 on failure
221 int wpa_driver_wext_set_ssid(void *priv, const u8 *ssid, size_t ssid_len)
223 struct wpa_driver_wext_data *drv = priv;
231 os_memset(&iwr, 0, sizeof(iwr));
232 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
233 /* flags: 1 = ESSID is active, 0 = not (promiscuous) */
234 iwr.u.essid.flags = (ssid_len != 0);
235 os_memset(buf, 0, sizeof(buf));
236 os_memcpy(buf, ssid, ssid_len);
237 iwr.u.essid.pointer = (caddr_t) buf;
238 if (drv->we_version_compiled < 21) {
239 /* For historic reasons, set SSID length to include one extra
240 * character, C string nul termination, even though SSID is
241 * really an octet string that should not be presented as a C
242 * string. Some Linux drivers decrement the length by one and
243 * can thus end up missing the last octet of the SSID if the
244 * length is not incremented here. WE-21 changes this to
245 * explicitly require the length _not_ to include nul
250 iwr.u.essid.length = ssid_len;
252 if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
253 perror("ioctl[SIOCSIWESSID]");
262 * wpa_driver_wext_set_freq - Set frequency/channel, SIOCSIWFREQ
263 * @priv: Pointer to private wext data from wpa_driver_wext_init()
264 * @freq: Frequency in MHz
265 * Returns: 0 on success, -1 on failure
267 int wpa_driver_wext_set_freq(void *priv, int freq)
269 struct wpa_driver_wext_data *drv = priv;
273 os_memset(&iwr, 0, sizeof(iwr));
274 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
275 iwr.u.freq.m = freq * 100000;
278 if (ioctl(drv->ioctl_sock, SIOCSIWFREQ, &iwr) < 0) {
279 perror("ioctl[SIOCSIWFREQ]");
288 wpa_driver_wext_event_wireless_custom(void *ctx, char *custom)
290 union wpa_event_data data;
292 wpa_printf(MSG_MSGDUMP, "WEXT: Custom wireless event: '%s'",
295 os_memset(&data, 0, sizeof(data));
297 if (os_strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
298 data.michael_mic_failure.unicast =
299 os_strstr(custom, " unicast ") != NULL;
300 /* TODO: parse parameters(?) */
301 wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
302 } else if (os_strncmp(custom, "ASSOCINFO(ReqIEs=", 17) == 0) {
308 bytes = strspn(spos, "0123456789abcdefABCDEF");
309 if (!bytes || (bytes & 1))
313 data.assoc_info.req_ies = os_malloc(bytes);
314 if (data.assoc_info.req_ies == NULL)
317 data.assoc_info.req_ies_len = bytes;
318 hexstr2bin(spos, data.assoc_info.req_ies, bytes);
322 data.assoc_info.resp_ies = NULL;
323 data.assoc_info.resp_ies_len = 0;
325 if (os_strncmp(spos, " RespIEs=", 9) == 0) {
328 bytes = strspn(spos, "0123456789abcdefABCDEF");
329 if (!bytes || (bytes & 1))
333 data.assoc_info.resp_ies = os_malloc(bytes);
334 if (data.assoc_info.resp_ies == NULL)
337 data.assoc_info.resp_ies_len = bytes;
338 hexstr2bin(spos, data.assoc_info.resp_ies, bytes);
341 wpa_supplicant_event(ctx, EVENT_ASSOCINFO, &data);
344 os_free(data.assoc_info.resp_ies);
345 os_free(data.assoc_info.req_ies);
346 #ifdef CONFIG_PEERKEY
347 } else if (os_strncmp(custom, "STKSTART.request=", 17) == 0) {
348 if (hwaddr_aton(custom + 17, data.stkstart.peer)) {
349 wpa_printf(MSG_DEBUG, "WEXT: unrecognized "
350 "STKSTART.request '%s'", custom + 17);
353 wpa_supplicant_event(ctx, EVENT_STKSTART, &data);
354 #endif /* CONFIG_PEERKEY */
359 static int wpa_driver_wext_event_wireless_michaelmicfailure(
360 void *ctx, const char *ev, size_t len)
362 const struct iw_michaelmicfailure *mic;
363 union wpa_event_data data;
365 if (len < sizeof(*mic))
368 mic = (const struct iw_michaelmicfailure *) ev;
370 wpa_printf(MSG_DEBUG, "Michael MIC failure wireless event: "
371 "flags=0x%x src_addr=" MACSTR, mic->flags,
372 MAC2STR(mic->src_addr.sa_data));
374 os_memset(&data, 0, sizeof(data));
375 data.michael_mic_failure.unicast = !(mic->flags & IW_MICFAILURE_GROUP);
376 wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
382 static int wpa_driver_wext_event_wireless_pmkidcand(
383 struct wpa_driver_wext_data *drv, const char *ev, size_t len)
385 const struct iw_pmkid_cand *cand;
386 union wpa_event_data data;
389 if (len < sizeof(*cand))
392 cand = (const struct iw_pmkid_cand *) ev;
393 addr = (const u8 *) cand->bssid.sa_data;
395 wpa_printf(MSG_DEBUG, "PMKID candidate wireless event: "
396 "flags=0x%x index=%d bssid=" MACSTR, cand->flags,
397 cand->index, MAC2STR(addr));
399 os_memset(&data, 0, sizeof(data));
400 os_memcpy(data.pmkid_candidate.bssid, addr, ETH_ALEN);
401 data.pmkid_candidate.index = cand->index;
402 data.pmkid_candidate.preauth = cand->flags & IW_PMKID_CAND_PREAUTH;
403 wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
409 static int wpa_driver_wext_event_wireless_assocreqie(
410 struct wpa_driver_wext_data *drv, const char *ev, int len)
415 wpa_hexdump(MSG_DEBUG, "AssocReq IE wireless event", (const u8 *) ev,
417 os_free(drv->assoc_req_ies);
418 drv->assoc_req_ies = os_malloc(len);
419 if (drv->assoc_req_ies == NULL) {
420 drv->assoc_req_ies_len = 0;
423 os_memcpy(drv->assoc_req_ies, ev, len);
424 drv->assoc_req_ies_len = len;
430 static int wpa_driver_wext_event_wireless_assocrespie(
431 struct wpa_driver_wext_data *drv, const char *ev, int len)
436 wpa_hexdump(MSG_DEBUG, "AssocResp IE wireless event", (const u8 *) ev,
438 os_free(drv->assoc_resp_ies);
439 drv->assoc_resp_ies = os_malloc(len);
440 if (drv->assoc_resp_ies == NULL) {
441 drv->assoc_resp_ies_len = 0;
444 os_memcpy(drv->assoc_resp_ies, ev, len);
445 drv->assoc_resp_ies_len = len;
451 static void wpa_driver_wext_event_assoc_ies(struct wpa_driver_wext_data *drv)
453 union wpa_event_data data;
455 if (drv->assoc_req_ies == NULL && drv->assoc_resp_ies == NULL)
458 os_memset(&data, 0, sizeof(data));
459 if (drv->assoc_req_ies) {
460 data.assoc_info.req_ies = drv->assoc_req_ies;
461 drv->assoc_req_ies = NULL;
462 data.assoc_info.req_ies_len = drv->assoc_req_ies_len;
464 if (drv->assoc_resp_ies) {
465 data.assoc_info.resp_ies = drv->assoc_resp_ies;
466 drv->assoc_resp_ies = NULL;
467 data.assoc_info.resp_ies_len = drv->assoc_resp_ies_len;
470 wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &data);
472 os_free(data.assoc_info.req_ies);
473 os_free(data.assoc_info.resp_ies);
477 static void wpa_driver_wext_event_wireless(struct wpa_driver_wext_data *drv,
478 void *ctx, char *data, int len)
480 struct iw_event iwe_buf, *iwe = &iwe_buf;
481 char *pos, *end, *custom, *buf;
486 while (pos + IW_EV_LCP_LEN <= end) {
487 /* Event data may be unaligned, so make a local, aligned copy
488 * before processing. */
489 os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
490 wpa_printf(MSG_DEBUG, "Wireless event: cmd=0x%x len=%d",
492 if (iwe->len <= IW_EV_LCP_LEN)
495 custom = pos + IW_EV_POINT_LEN;
496 if (drv->we_version_compiled > 18 &&
497 (iwe->cmd == IWEVMICHAELMICFAILURE ||
498 iwe->cmd == IWEVCUSTOM ||
499 iwe->cmd == IWEVASSOCREQIE ||
500 iwe->cmd == IWEVASSOCRESPIE ||
501 iwe->cmd == IWEVPMKIDCAND)) {
502 /* WE-19 removed the pointer from struct iw_point */
503 char *dpos = (char *) &iwe_buf.u.data.length;
504 int dlen = dpos - (char *) &iwe_buf;
505 os_memcpy(dpos, pos + IW_EV_LCP_LEN,
506 sizeof(struct iw_event) - dlen);
508 os_memcpy(&iwe_buf, pos, sizeof(struct iw_event));
509 custom += IW_EV_POINT_OFF;
514 wpa_printf(MSG_DEBUG, "Wireless event: new AP: "
516 MAC2STR((u8 *) iwe->u.ap_addr.sa_data));
517 if (is_zero_ether_addr(
518 (const u8 *) iwe->u.ap_addr.sa_data) ||
519 os_memcmp(iwe->u.ap_addr.sa_data,
520 "\x44\x44\x44\x44\x44\x44", ETH_ALEN) ==
522 os_free(drv->assoc_req_ies);
523 drv->assoc_req_ies = NULL;
524 os_free(drv->assoc_resp_ies);
525 drv->assoc_resp_ies = NULL;
526 wpa_supplicant_event(ctx, EVENT_DISASSOC,
530 wpa_driver_wext_event_assoc_ies(drv);
531 wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
534 case IWEVMICHAELMICFAILURE:
535 if (custom + iwe->u.data.length > end) {
536 wpa_printf(MSG_DEBUG, "WEXT: Invalid "
537 "IWEVMICHAELMICFAILURE length");
540 wpa_driver_wext_event_wireless_michaelmicfailure(
541 ctx, custom, iwe->u.data.length);
544 if (custom + iwe->u.data.length > end) {
545 wpa_printf(MSG_DEBUG, "WEXT: Invalid "
546 "IWEVCUSTOM length");
549 buf = os_malloc(iwe->u.data.length + 1);
552 os_memcpy(buf, custom, iwe->u.data.length);
553 buf[iwe->u.data.length] = '\0';
554 wpa_driver_wext_event_wireless_custom(ctx, buf);
558 drv->scan_complete_events = 1;
559 eloop_cancel_timeout(wpa_driver_wext_scan_timeout,
561 wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL);
564 if (custom + iwe->u.data.length > end) {
565 wpa_printf(MSG_DEBUG, "WEXT: Invalid "
566 "IWEVASSOCREQIE length");
569 wpa_driver_wext_event_wireless_assocreqie(
570 drv, custom, iwe->u.data.length);
572 case IWEVASSOCRESPIE:
573 if (custom + iwe->u.data.length > end) {
574 wpa_printf(MSG_DEBUG, "WEXT: Invalid "
575 "IWEVASSOCRESPIE length");
578 wpa_driver_wext_event_wireless_assocrespie(
579 drv, custom, iwe->u.data.length);
582 if (custom + iwe->u.data.length > end) {
583 wpa_printf(MSG_DEBUG, "WEXT: Invalid "
584 "IWEVPMKIDCAND length");
587 wpa_driver_wext_event_wireless_pmkidcand(
588 drv, custom, iwe->u.data.length);
597 static void wpa_driver_wext_event_link(struct wpa_driver_wext_data *drv,
598 void *ctx, char *buf, size_t len,
601 union wpa_event_data event;
603 os_memset(&event, 0, sizeof(event));
604 if (len > sizeof(event.interface_status.ifname))
605 len = sizeof(event.interface_status.ifname) - 1;
606 os_memcpy(event.interface_status.ifname, buf, len);
607 event.interface_status.ievent = del ? EVENT_INTERFACE_REMOVED :
608 EVENT_INTERFACE_ADDED;
610 wpa_printf(MSG_DEBUG, "RTM_%sLINK, IFLA_IFNAME: Interface '%s' %s",
612 event.interface_status.ifname,
613 del ? "removed" : "added");
615 if (os_strcmp(drv->ifname, event.interface_status.ifname) == 0) {
622 wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event);
626 static int wpa_driver_wext_own_ifname(struct wpa_driver_wext_data *drv,
629 struct ifinfomsg *ifi;
630 int attrlen, nlmsg_len, rta_len;
635 nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
637 attrlen = h->nlmsg_len - nlmsg_len;
641 attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
643 rta_len = RTA_ALIGN(sizeof(struct rtattr));
644 while (RTA_OK(attr, attrlen)) {
645 if (attr->rta_type == IFLA_IFNAME) {
646 if (os_strcmp(((char *) attr) + rta_len, drv->ifname)
652 attr = RTA_NEXT(attr, attrlen);
659 static int wpa_driver_wext_own_ifindex(struct wpa_driver_wext_data *drv,
660 int ifindex, struct nlmsghdr *h)
662 if (drv->ifindex == ifindex || drv->ifindex2 == ifindex)
665 if (drv->if_removed && wpa_driver_wext_own_ifname(drv, h)) {
666 drv->ifindex = if_nametoindex(drv->ifname);
667 wpa_printf(MSG_DEBUG, "WEXT: Update ifindex for a removed "
669 wpa_driver_wext_finish_drv_init(drv);
677 static void wpa_driver_wext_event_rtm_newlink(struct wpa_driver_wext_data *drv,
678 void *ctx, struct nlmsghdr *h,
681 struct ifinfomsg *ifi;
682 int attrlen, nlmsg_len, rta_len;
683 struct rtattr * attr;
685 if (len < sizeof(*ifi))
690 if (!wpa_driver_wext_own_ifindex(drv, ifi->ifi_index, h)) {
691 wpa_printf(MSG_DEBUG, "Ignore event for foreign ifindex %d",
696 wpa_printf(MSG_DEBUG, "RTM_NEWLINK: operstate=%d ifi_flags=0x%x "
698 drv->operstate, ifi->ifi_flags,
699 (ifi->ifi_flags & IFF_UP) ? "[UP]" : "",
700 (ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
701 (ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
702 (ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
704 * Some drivers send the association event before the operup event--in
705 * this case, lifting operstate in wpa_driver_wext_set_operstate()
706 * fails. This will hit us when wpa_supplicant does not need to do
707 * IEEE 802.1X authentication
709 if (drv->operstate == 1 &&
710 (ifi->ifi_flags & (IFF_LOWER_UP | IFF_DORMANT)) == IFF_LOWER_UP &&
711 !(ifi->ifi_flags & IFF_RUNNING))
712 wpa_driver_wext_send_oper_ifla(drv, -1, IF_OPER_UP);
714 nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
716 attrlen = h->nlmsg_len - nlmsg_len;
720 attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
722 rta_len = RTA_ALIGN(sizeof(struct rtattr));
723 while (RTA_OK(attr, attrlen)) {
724 if (attr->rta_type == IFLA_WIRELESS) {
725 wpa_driver_wext_event_wireless(
726 drv, ctx, ((char *) attr) + rta_len,
727 attr->rta_len - rta_len);
728 } else if (attr->rta_type == IFLA_IFNAME) {
729 wpa_driver_wext_event_link(drv, ctx,
730 ((char *) attr) + rta_len,
731 attr->rta_len - rta_len, 0);
733 attr = RTA_NEXT(attr, attrlen);
738 static void wpa_driver_wext_event_rtm_dellink(struct wpa_driver_wext_data *drv,
739 void *ctx, struct nlmsghdr *h,
742 struct ifinfomsg *ifi;
743 int attrlen, nlmsg_len, rta_len;
744 struct rtattr * attr;
746 if (len < sizeof(*ifi))
751 nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
753 attrlen = h->nlmsg_len - nlmsg_len;
757 attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
759 rta_len = RTA_ALIGN(sizeof(struct rtattr));
760 while (RTA_OK(attr, attrlen)) {
761 if (attr->rta_type == IFLA_IFNAME) {
762 wpa_driver_wext_event_link(drv, ctx,
763 ((char *) attr) + rta_len,
764 attr->rta_len - rta_len, 1);
766 attr = RTA_NEXT(attr, attrlen);
771 static void wpa_driver_wext_event_receive(int sock, void *eloop_ctx,
776 struct sockaddr_nl from;
782 fromlen = sizeof(from);
783 left = recvfrom(sock, buf, sizeof(buf), MSG_DONTWAIT,
784 (struct sockaddr *) &from, &fromlen);
786 if (errno != EINTR && errno != EAGAIN)
787 perror("recvfrom(netlink)");
791 h = (struct nlmsghdr *) buf;
792 while (left >= (int) sizeof(*h)) {
796 plen = len - sizeof(*h);
797 if (len > left || plen < 0) {
798 wpa_printf(MSG_DEBUG, "Malformed netlink message: "
799 "len=%d left=%d plen=%d",
804 switch (h->nlmsg_type) {
806 wpa_driver_wext_event_rtm_newlink(eloop_ctx, sock_ctx,
810 wpa_driver_wext_event_rtm_dellink(eloop_ctx, sock_ctx,
815 len = NLMSG_ALIGN(len);
817 h = (struct nlmsghdr *) ((char *) h + len);
821 wpa_printf(MSG_DEBUG, "%d extra bytes in the end of netlink "
825 if (--max_events > 0) {
827 * Try to receive all events in one eloop call in order to
828 * limit race condition on cases where AssocInfo event, Assoc
829 * event, and EAPOL frames are received more or less at the
830 * same time. We want to process the event messages first
831 * before starting EAPOL processing.
838 static int wpa_driver_wext_get_ifflags_ifname(struct wpa_driver_wext_data *drv,
839 const char *ifname, int *flags)
843 os_memset(&ifr, 0, sizeof(ifr));
844 os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
845 if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
846 perror("ioctl[SIOCGIFFLAGS]");
849 *flags = ifr.ifr_flags & 0xffff;
855 * wpa_driver_wext_get_ifflags - Get interface flags (SIOCGIFFLAGS)
856 * @drv: driver_wext private data
857 * @flags: Pointer to returned flags value
858 * Returns: 0 on success, -1 on failure
860 int wpa_driver_wext_get_ifflags(struct wpa_driver_wext_data *drv, int *flags)
862 return wpa_driver_wext_get_ifflags_ifname(drv, drv->ifname, flags);
866 static int wpa_driver_wext_set_ifflags_ifname(struct wpa_driver_wext_data *drv,
867 const char *ifname, int flags)
871 os_memset(&ifr, 0, sizeof(ifr));
872 os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
873 ifr.ifr_flags = flags & 0xffff;
874 if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
875 perror("SIOCSIFFLAGS");
883 * wpa_driver_wext_set_ifflags - Set interface flags (SIOCSIFFLAGS)
884 * @drv: driver_wext private data
885 * @flags: New value for flags
886 * Returns: 0 on success, -1 on failure
888 int wpa_driver_wext_set_ifflags(struct wpa_driver_wext_data *drv, int flags)
890 return wpa_driver_wext_set_ifflags_ifname(drv, drv->ifname, flags);
895 * wpa_driver_wext_init - Initialize WE driver interface
896 * @ctx: context to be used when calling wpa_supplicant functions,
897 * e.g., wpa_supplicant_event()
898 * @ifname: interface name, e.g., wlan0
899 * Returns: Pointer to private data, %NULL on failure
901 void * wpa_driver_wext_init(void *ctx, const char *ifname)
904 struct sockaddr_nl local;
905 struct wpa_driver_wext_data *drv;
907 drv = os_zalloc(sizeof(*drv));
911 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
913 drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
914 if (drv->ioctl_sock < 0) {
915 perror("socket(PF_INET,SOCK_DGRAM)");
919 s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
921 perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
926 os_memset(&local, 0, sizeof(local));
927 local.nl_family = AF_NETLINK;
928 local.nl_groups = RTMGRP_LINK;
929 if (bind(s, (struct sockaddr *) &local, sizeof(local)) < 0) {
930 perror("bind(netlink)");
934 eloop_register_read_sock(s, wpa_driver_wext_event_receive, drv, ctx);
938 if (wpa_driver_wext_finish_drv_init(drv) < 0)
944 eloop_unregister_read_sock(drv->event_sock);
946 close(drv->event_sock);
948 close(drv->ioctl_sock);
955 static int wpa_driver_wext_finish_drv_init(struct wpa_driver_wext_data *drv)
959 if (wpa_driver_wext_get_ifflags(drv, &flags) != 0) {
960 wpa_printf(MSG_ERROR, "Could not get interface '%s' flags",
965 if (!(flags & IFF_UP)) {
966 if (wpa_driver_wext_set_ifflags(drv, flags | IFF_UP) != 0) {
967 wpa_printf(MSG_ERROR, "Could not set interface '%s' "
972 * Wait some time to allow driver to initialize before
973 * starting configuring the driver. This seems to be
974 * needed at least some drivers that load firmware etc.
975 * when the interface is set up.
977 wpa_printf(MSG_DEBUG, "Interface %s set UP - waiting "
978 "a second for the driver to complete "
979 "initialization", drv->ifname);
985 * Make sure that the driver does not have any obsolete PMKID entries.
987 wpa_driver_wext_flush_pmkid(drv);
989 if (wpa_driver_wext_set_mode(drv, 0) < 0) {
990 wpa_printf(MSG_DEBUG, "Could not configure driver to use "
992 /* Try to use it anyway */
995 wpa_driver_wext_get_range(drv);
997 drv->ifindex = if_nametoindex(drv->ifname);
999 if (os_strncmp(drv->ifname, "wlan", 4) == 0) {
1001 * Host AP driver may use both wlan# and wifi# interface in
1002 * wireless events. Since some of the versions included WE-18
1003 * support, let's add the alternative ifindex also from
1004 * driver_wext.c for the time being. This may be removed at
1005 * some point once it is believed that old versions of the
1006 * driver are not in use anymore.
1008 char ifname2[IFNAMSIZ + 1];
1009 os_strlcpy(ifname2, drv->ifname, sizeof(ifname2));
1010 os_memcpy(ifname2, "wifi", 4);
1011 wpa_driver_wext_alternative_ifindex(drv, ifname2);
1014 wpa_driver_wext_send_oper_ifla(drv, 1, IF_OPER_DORMANT);
1021 * wpa_driver_wext_deinit - Deinitialize WE driver interface
1022 * @priv: Pointer to private wext data from wpa_driver_wext_init()
1024 * Shut down driver interface and processing of driver events. Free
1025 * private data buffer if one was allocated in wpa_driver_wext_init().
1027 void wpa_driver_wext_deinit(void *priv)
1029 struct wpa_driver_wext_data *drv = priv;
1032 eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv, drv->ctx);
1035 * Clear possibly configured driver parameters in order to make it
1036 * easier to use the driver after wpa_supplicant has been terminated.
1038 (void) wpa_driver_wext_set_bssid(drv,
1039 (u8 *) "\x00\x00\x00\x00\x00\x00");
1041 wpa_driver_wext_send_oper_ifla(priv, 0, IF_OPER_UP);
1043 eloop_unregister_read_sock(drv->event_sock);
1044 if (drv->mlme_sock >= 0)
1045 eloop_unregister_read_sock(drv->mlme_sock);
1047 if (wpa_driver_wext_get_ifflags(drv, &flags) == 0)
1048 (void) wpa_driver_wext_set_ifflags(drv, flags & ~IFF_UP);
1050 close(drv->event_sock);
1051 close(drv->ioctl_sock);
1052 if (drv->mlme_sock >= 0)
1053 close(drv->mlme_sock);
1054 os_free(drv->assoc_req_ies);
1055 os_free(drv->assoc_resp_ies);
1061 * wpa_driver_wext_scan_timeout - Scan timeout to report scan completion
1062 * @eloop_ctx: Unused
1063 * @timeout_ctx: ctx argument given to wpa_driver_wext_init()
1065 * This function can be used as registered timeout when starting a scan to
1066 * generate a scan completed event if the driver does not report this.
1068 void wpa_driver_wext_scan_timeout(void *eloop_ctx, void *timeout_ctx)
1070 wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
1071 wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
1076 * wpa_driver_wext_scan - Request the driver to initiate scan
1077 * @priv: Pointer to private wext data from wpa_driver_wext_init()
1078 * @ssid: Specific SSID to scan for (ProbeReq) or %NULL to scan for
1079 * all SSIDs (either active scan with wildcard SSID or passive
1081 * @ssid_len: Length of the SSID
1082 * Returns: 0 on success, -1 on failure
1084 int wpa_driver_wext_scan(void *priv, const u8 *ssid, size_t ssid_len)
1086 struct wpa_driver_wext_data *drv = priv;
1088 int ret = 0, timeout;
1089 struct iw_scan_req req;
1091 if (ssid_len > IW_ESSID_MAX_SIZE) {
1092 wpa_printf(MSG_DEBUG, "%s: too long SSID (%lu)",
1093 __FUNCTION__, (unsigned long) ssid_len);
1097 os_memset(&iwr, 0, sizeof(iwr));
1098 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1100 if (ssid && ssid_len) {
1101 os_memset(&req, 0, sizeof(req));
1102 req.essid_len = ssid_len;
1103 req.bssid.sa_family = ARPHRD_ETHER;
1104 os_memset(req.bssid.sa_data, 0xff, ETH_ALEN);
1105 os_memcpy(req.essid, ssid, ssid_len);
1106 iwr.u.data.pointer = (caddr_t) &req;
1107 iwr.u.data.length = sizeof(req);
1108 iwr.u.data.flags = IW_SCAN_THIS_ESSID;
1111 if (ioctl(drv->ioctl_sock, SIOCSIWSCAN, &iwr) < 0) {
1112 perror("ioctl[SIOCSIWSCAN]");
1116 /* Not all drivers generate "scan completed" wireless event, so try to
1117 * read results after a timeout. */
1119 if (drv->scan_complete_events) {
1121 * The driver seems to deliver SIOCGIWSCAN events to notify
1122 * when scan is complete, so use longer timeout to avoid race
1123 * conditions with scanning and following association request.
1127 wpa_printf(MSG_DEBUG, "Scan requested (ret=%d) - scan timeout %d "
1128 "seconds", ret, timeout);
1129 eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv, drv->ctx);
1130 eloop_register_timeout(timeout, 0, wpa_driver_wext_scan_timeout, drv,
1137 static u8 * wpa_driver_wext_giwscan(struct wpa_driver_wext_data *drv,
1144 res_buf_len = IW_SCAN_MAX_DATA;
1146 res_buf = os_malloc(res_buf_len);
1147 if (res_buf == NULL)
1149 os_memset(&iwr, 0, sizeof(iwr));
1150 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1151 iwr.u.data.pointer = res_buf;
1152 iwr.u.data.length = res_buf_len;
1154 if (ioctl(drv->ioctl_sock, SIOCGIWSCAN, &iwr) == 0)
1157 if (errno == E2BIG && res_buf_len < 65535) {
1161 if (res_buf_len > 65535)
1162 res_buf_len = 65535; /* 16-bit length field */
1163 wpa_printf(MSG_DEBUG, "Scan results did not fit - "
1164 "trying larger buffer (%lu bytes)",
1165 (unsigned long) res_buf_len);
1167 perror("ioctl[SIOCGIWSCAN]");
1173 if (iwr.u.data.length > res_buf_len) {
1177 *len = iwr.u.data.length;
1184 * Data structure for collecting WEXT scan results. This is needed to allow
1185 * the various methods of reporting IEs to be combined into a single IE buffer.
1187 struct wext_scan_data {
1188 struct wpa_scan_res res;
1197 static void wext_get_scan_mode(struct iw_event *iwe,
1198 struct wext_scan_data *res)
1200 if (iwe->u.mode == IW_MODE_ADHOC)
1201 res->res.caps |= IEEE80211_CAP_IBSS;
1202 else if (iwe->u.mode == IW_MODE_MASTER || iwe->u.mode == IW_MODE_INFRA)
1203 res->res.caps |= IEEE80211_CAP_ESS;
1207 static void wext_get_scan_ssid(struct iw_event *iwe,
1208 struct wext_scan_data *res, char *custom,
1211 int ssid_len = iwe->u.essid.length;
1212 if (custom + ssid_len > end)
1214 if (iwe->u.essid.flags &&
1216 ssid_len <= IW_ESSID_MAX_SIZE) {
1217 os_memcpy(res->ssid, custom, ssid_len);
1218 res->ssid_len = ssid_len;
1223 static void wext_get_scan_freq(struct iw_event *iwe,
1224 struct wext_scan_data *res)
1226 int divi = 1000000, i;
1228 if (iwe->u.freq.e == 0) {
1230 * Some drivers do not report frequency, but a channel.
1231 * Try to map this to frequency by assuming they are using
1232 * IEEE 802.11b/g. But don't overwrite a previously parsed
1233 * frequency if the driver sends both frequency and channel,
1234 * since the driver may be sending an A-band channel that we
1235 * don't handle here.
1241 if (iwe->u.freq.m >= 1 && iwe->u.freq.m <= 13) {
1242 res->res.freq = 2407 + 5 * iwe->u.freq.m;
1244 } else if (iwe->u.freq.m == 14) {
1245 res->res.freq = 2484;
1250 if (iwe->u.freq.e > 6) {
1251 wpa_printf(MSG_DEBUG, "Invalid freq in scan results (BSSID="
1252 MACSTR " m=%d e=%d)",
1253 MAC2STR(res->res.bssid), iwe->u.freq.m,
1258 for (i = 0; i < iwe->u.freq.e; i++)
1260 res->res.freq = iwe->u.freq.m / divi;
1264 static void wext_get_scan_qual(struct iw_event *iwe,
1265 struct wext_scan_data *res)
1267 res->res.qual = iwe->u.qual.qual;
1268 res->res.noise = iwe->u.qual.noise;
1269 res->res.level = iwe->u.qual.level;
1273 static void wext_get_scan_encode(struct iw_event *iwe,
1274 struct wext_scan_data *res)
1276 if (!(iwe->u.data.flags & IW_ENCODE_DISABLED))
1277 res->res.caps |= IEEE80211_CAP_PRIVACY;
1281 static void wext_get_scan_rate(struct iw_event *iwe,
1282 struct wext_scan_data *res, char *pos,
1286 char *custom = pos + IW_EV_LCP_LEN;
1291 if (custom + clen > end)
1294 while (((ssize_t) clen) >= (ssize_t) sizeof(struct iw_param)) {
1295 /* Note: may be misaligned, make a local, aligned copy */
1296 os_memcpy(&p, custom, sizeof(struct iw_param));
1297 if (p.value > maxrate)
1299 clen -= sizeof(struct iw_param);
1300 custom += sizeof(struct iw_param);
1303 /* Convert the maxrate from WE-style (b/s units) to
1304 * 802.11 rates (500000 b/s units).
1306 res->maxrate = maxrate / 500000;
1310 static void wext_get_scan_iwevgenie(struct iw_event *iwe,
1311 struct wext_scan_data *res, char *custom,
1314 char *genie, *gpos, *gend;
1317 if (iwe->u.data.length == 0)
1320 gpos = genie = custom;
1321 gend = genie + iwe->u.data.length;
1323 wpa_printf(MSG_INFO, "IWEVGENIE overflow");
1327 tmp = os_realloc(res->ie, res->ie_len + gend - gpos);
1330 os_memcpy(tmp + res->ie_len, gpos, gend - gpos);
1332 res->ie_len += gend - gpos;
1336 static void wext_get_scan_custom(struct iw_event *iwe,
1337 struct wext_scan_data *res, char *custom,
1343 clen = iwe->u.data.length;
1344 if (custom + clen > end)
1347 if (clen > 7 && os_strncmp(custom, "wpa_ie=", 7) == 0) {
1351 bytes = custom + clen - spos;
1352 if (bytes & 1 || bytes == 0)
1355 tmp = os_realloc(res->ie, res->ie_len + bytes);
1358 hexstr2bin(spos, tmp + res->ie_len, bytes);
1360 res->ie_len += bytes;
1361 } else if (clen > 7 && os_strncmp(custom, "rsn_ie=", 7) == 0) {
1365 bytes = custom + clen - spos;
1366 if (bytes & 1 || bytes == 0)
1369 tmp = os_realloc(res->ie, res->ie_len + bytes);
1372 hexstr2bin(spos, tmp + res->ie_len, bytes);
1374 res->ie_len += bytes;
1375 } else if (clen > 4 && os_strncmp(custom, "tsf=", 4) == 0) {
1380 bytes = custom + clen - spos;
1382 wpa_printf(MSG_INFO, "Invalid TSF length (%d)", bytes);
1386 hexstr2bin(spos, bin, bytes);
1387 res->res.tsf += WPA_GET_BE64(bin);
1392 static int wext_19_iw_point(struct wpa_driver_wext_data *drv, u16 cmd)
1394 return drv->we_version_compiled > 18 &&
1395 (cmd == SIOCGIWESSID || cmd == SIOCGIWENCODE ||
1396 cmd == IWEVGENIE || cmd == IWEVCUSTOM);
1400 static void wpa_driver_wext_add_scan_entry(struct wpa_scan_results *res,
1401 struct wext_scan_data *data)
1403 struct wpa_scan_res **tmp;
1404 struct wpa_scan_res *r;
1406 u8 *pos, *end, *ssid_ie = NULL, *rate_ie = NULL;
1408 /* Figure out whether we need to fake any IEs */
1410 end = pos + data->ie_len;
1411 while (pos && pos + 1 < end) {
1412 if (pos + 2 + pos[1] > end)
1414 if (pos[0] == WLAN_EID_SSID)
1416 else if (pos[0] == WLAN_EID_SUPP_RATES)
1418 else if (pos[0] == WLAN_EID_EXT_SUPP_RATES)
1424 if (ssid_ie == NULL)
1425 extra_len += 2 + data->ssid_len;
1426 if (rate_ie == NULL && data->maxrate)
1429 r = os_zalloc(sizeof(*r) + extra_len + data->ie_len);
1432 os_memcpy(r, &data->res, sizeof(*r));
1433 r->ie_len = extra_len + data->ie_len;
1434 pos = (u8 *) (r + 1);
1435 if (ssid_ie == NULL) {
1437 * Generate a fake SSID IE since the driver did not report
1440 *pos++ = WLAN_EID_SSID;
1441 *pos++ = data->ssid_len;
1442 os_memcpy(pos, data->ssid, data->ssid_len);
1443 pos += data->ssid_len;
1445 if (rate_ie == NULL && data->maxrate) {
1447 * Generate a fake Supported Rates IE since the driver did not
1448 * report a full IE list.
1450 *pos++ = WLAN_EID_SUPP_RATES;
1452 *pos++ = data->maxrate;
1455 os_memcpy(pos, data->ie, data->ie_len);
1457 tmp = os_realloc(res->res,
1458 (res->num + 1) * sizeof(struct wpa_scan_res *));
1463 tmp[res->num++] = r;
1469 * wpa_driver_wext_get_scan_results - Fetch the latest scan results
1470 * @priv: Pointer to private wext data from wpa_driver_wext_init()
1471 * Returns: Scan results on success, -1 on failure
1473 struct wpa_scan_results * wpa_driver_wext_get_scan_results(void *priv)
1475 struct wpa_driver_wext_data *drv = priv;
1476 size_t ap_num = 0, len;
1479 struct iw_event iwe_buf, *iwe = &iwe_buf;
1480 char *pos, *end, *custom;
1481 struct wpa_scan_results *res;
1482 struct wext_scan_data data;
1484 res_buf = wpa_driver_wext_giwscan(drv, &len);
1485 if (res_buf == NULL)
1491 res = os_zalloc(sizeof(*res));
1497 pos = (char *) res_buf;
1498 end = (char *) res_buf + len;
1499 os_memset(&data, 0, sizeof(data));
1501 while (pos + IW_EV_LCP_LEN <= end) {
1502 /* Event data may be unaligned, so make a local, aligned copy
1503 * before processing. */
1504 os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
1505 if (iwe->len <= IW_EV_LCP_LEN)
1508 custom = pos + IW_EV_POINT_LEN;
1509 if (wext_19_iw_point(drv, iwe->cmd)) {
1510 /* WE-19 removed the pointer from struct iw_point */
1511 char *dpos = (char *) &iwe_buf.u.data.length;
1512 int dlen = dpos - (char *) &iwe_buf;
1513 os_memcpy(dpos, pos + IW_EV_LCP_LEN,
1514 sizeof(struct iw_event) - dlen);
1516 os_memcpy(&iwe_buf, pos, sizeof(struct iw_event));
1517 custom += IW_EV_POINT_OFF;
1523 wpa_driver_wext_add_scan_entry(res, &data);
1526 os_memset(&data, 0, sizeof(data));
1527 os_memcpy(data.res.bssid,
1528 iwe->u.ap_addr.sa_data, ETH_ALEN);
1531 wext_get_scan_mode(iwe, &data);
1534 wext_get_scan_ssid(iwe, &data, custom, end);
1537 wext_get_scan_freq(iwe, &data);
1540 wext_get_scan_qual(iwe, &data);
1543 wext_get_scan_encode(iwe, &data);
1546 wext_get_scan_rate(iwe, &data, pos, end);
1549 wext_get_scan_iwevgenie(iwe, &data, custom, end);
1552 wext_get_scan_custom(iwe, &data, custom, end);
1561 wpa_driver_wext_add_scan_entry(res, &data);
1564 wpa_printf(MSG_DEBUG, "Received %lu bytes of scan results (%lu BSSes)",
1565 (unsigned long) len, (unsigned long) res->num);
1571 static int wpa_driver_wext_get_range(void *priv)
1573 struct wpa_driver_wext_data *drv = priv;
1574 struct iw_range *range;
1580 * Use larger buffer than struct iw_range in order to allow the
1581 * structure to grow in the future.
1583 buflen = sizeof(struct iw_range) + 500;
1584 range = os_zalloc(buflen);
1588 os_memset(&iwr, 0, sizeof(iwr));
1589 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1590 iwr.u.data.pointer = (caddr_t) range;
1591 iwr.u.data.length = buflen;
1593 minlen = ((char *) &range->enc_capa) - (char *) range +
1594 sizeof(range->enc_capa);
1596 if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
1597 perror("ioctl[SIOCGIWRANGE]");
1600 } else if (iwr.u.data.length >= minlen &&
1601 range->we_version_compiled >= 18) {
1602 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
1603 "WE(source)=%d enc_capa=0x%x",
1604 range->we_version_compiled,
1605 range->we_version_source,
1607 drv->has_capability = 1;
1608 drv->we_version_compiled = range->we_version_compiled;
1609 if (range->enc_capa & IW_ENC_CAPA_WPA) {
1610 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA |
1611 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1613 if (range->enc_capa & IW_ENC_CAPA_WPA2) {
1614 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
1615 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1617 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
1618 WPA_DRIVER_CAPA_ENC_WEP104;
1619 if (range->enc_capa & IW_ENC_CAPA_CIPHER_TKIP)
1620 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1621 if (range->enc_capa & IW_ENC_CAPA_CIPHER_CCMP)
1622 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1623 if (range->enc_capa & IW_ENC_CAPA_4WAY_HANDSHAKE)
1624 drv->capa.flags |= WPA_DRIVER_FLAGS_4WAY_HANDSHAKE;
1625 drv->capa.max_scan_ssids = 1;
1627 wpa_printf(MSG_DEBUG, " capabilities: key_mgmt 0x%x enc 0x%x "
1629 drv->capa.key_mgmt, drv->capa.enc, drv->capa.flags);
1631 wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: too old (short) data - "
1632 "assuming WPA is not supported");
1640 static int wpa_driver_wext_set_wpa(void *priv, int enabled)
1642 struct wpa_driver_wext_data *drv = priv;
1643 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1645 return wpa_driver_wext_set_auth_param(drv, IW_AUTH_WPA_ENABLED,
1650 static int wpa_driver_wext_set_psk(struct wpa_driver_wext_data *drv,
1653 struct iw_encode_ext *ext;
1657 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1659 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE))
1665 os_memset(&iwr, 0, sizeof(iwr));
1666 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1668 ext = os_zalloc(sizeof(*ext) + PMK_LEN);
1672 iwr.u.encoding.pointer = (caddr_t) ext;
1673 iwr.u.encoding.length = sizeof(*ext) + PMK_LEN;
1674 ext->key_len = PMK_LEN;
1675 os_memcpy(&ext->key, psk, ext->key_len);
1676 ext->alg = IW_ENCODE_ALG_PMK;
1678 ret = ioctl(drv->ioctl_sock, SIOCSIWENCODEEXT, &iwr);
1680 perror("ioctl[SIOCSIWENCODEEXT] PMK");
1687 static int wpa_driver_wext_set_key_ext(void *priv, wpa_alg alg,
1688 const u8 *addr, int key_idx,
1689 int set_tx, const u8 *seq,
1691 const u8 *key, size_t key_len)
1693 struct wpa_driver_wext_data *drv = priv;
1696 struct iw_encode_ext *ext;
1698 if (seq_len > IW_ENCODE_SEQ_MAX_SIZE) {
1699 wpa_printf(MSG_DEBUG, "%s: Invalid seq_len %lu",
1700 __FUNCTION__, (unsigned long) seq_len);
1704 ext = os_zalloc(sizeof(*ext) + key_len);
1707 os_memset(&iwr, 0, sizeof(iwr));
1708 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1709 iwr.u.encoding.flags = key_idx + 1;
1710 iwr.u.encoding.flags |= IW_ENCODE_TEMP;
1711 if (alg == WPA_ALG_NONE)
1712 iwr.u.encoding.flags |= IW_ENCODE_DISABLED;
1713 iwr.u.encoding.pointer = (caddr_t) ext;
1714 iwr.u.encoding.length = sizeof(*ext) + key_len;
1717 os_memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0)
1718 ext->ext_flags |= IW_ENCODE_EXT_GROUP_KEY;
1720 ext->ext_flags |= IW_ENCODE_EXT_SET_TX_KEY;
1722 ext->addr.sa_family = ARPHRD_ETHER;
1724 os_memcpy(ext->addr.sa_data, addr, ETH_ALEN);
1726 os_memset(ext->addr.sa_data, 0xff, ETH_ALEN);
1727 if (key && key_len) {
1728 os_memcpy(ext + 1, key, key_len);
1729 ext->key_len = key_len;
1733 ext->alg = IW_ENCODE_ALG_NONE;
1736 ext->alg = IW_ENCODE_ALG_WEP;
1739 ext->alg = IW_ENCODE_ALG_TKIP;
1742 ext->alg = IW_ENCODE_ALG_CCMP;
1745 ext->alg = IW_ENCODE_ALG_PMK;
1747 #ifdef CONFIG_IEEE80211W
1749 ext->alg = IW_ENCODE_ALG_AES_CMAC;
1751 #endif /* CONFIG_IEEE80211W */
1753 wpa_printf(MSG_DEBUG, "%s: Unknown algorithm %d",
1759 if (seq && seq_len) {
1760 ext->ext_flags |= IW_ENCODE_EXT_RX_SEQ_VALID;
1761 os_memcpy(ext->rx_seq, seq, seq_len);
1764 if (ioctl(drv->ioctl_sock, SIOCSIWENCODEEXT, &iwr) < 0) {
1765 ret = errno == EOPNOTSUPP ? -2 : -1;
1766 if (errno == ENODEV) {
1768 * ndiswrapper seems to be returning incorrect error
1773 perror("ioctl[SIOCSIWENCODEEXT]");
1782 * wpa_driver_wext_set_key - Configure encryption key
1783 * @priv: Pointer to private wext data from wpa_driver_wext_init()
1784 * @priv: Private driver interface data
1785 * @alg: Encryption algorithm (%WPA_ALG_NONE, %WPA_ALG_WEP,
1786 * %WPA_ALG_TKIP, %WPA_ALG_CCMP); %WPA_ALG_NONE clears the key.
1787 * @addr: Address of the peer STA or ff:ff:ff:ff:ff:ff for
1788 * broadcast/default keys
1789 * @key_idx: key index (0..3), usually 0 for unicast keys
1790 * @set_tx: Configure this key as the default Tx key (only used when
1791 * driver does not support separate unicast/individual key
1792 * @seq: Sequence number/packet number, seq_len octets, the next
1793 * packet number to be used for in replay protection; configured
1794 * for Rx keys (in most cases, this is only used with broadcast
1795 * keys and set to zero for unicast keys)
1796 * @seq_len: Length of the seq, depends on the algorithm:
1797 * TKIP: 6 octets, CCMP: 6 octets
1798 * @key: Key buffer; TKIP: 16-byte temporal key, 8-byte Tx Mic key,
1800 * @key_len: Length of the key buffer in octets (WEP: 5 or 13,
1801 * TKIP: 32, CCMP: 16)
1802 * Returns: 0 on success, -1 on failure
1804 * This function uses SIOCSIWENCODEEXT by default, but tries to use
1805 * SIOCSIWENCODE if the extended ioctl fails when configuring a WEP key.
1807 int wpa_driver_wext_set_key(void *priv, wpa_alg alg,
1808 const u8 *addr, int key_idx,
1809 int set_tx, const u8 *seq, size_t seq_len,
1810 const u8 *key, size_t key_len)
1812 struct wpa_driver_wext_data *drv = priv;
1816 wpa_printf(MSG_DEBUG, "%s: alg=%d key_idx=%d set_tx=%d seq_len=%lu "
1818 __FUNCTION__, alg, key_idx, set_tx,
1819 (unsigned long) seq_len, (unsigned long) key_len);
1821 ret = wpa_driver_wext_set_key_ext(drv, alg, addr, key_idx, set_tx,
1822 seq, seq_len, key, key_len);
1827 (alg == WPA_ALG_NONE || alg == WPA_ALG_WEP)) {
1828 wpa_printf(MSG_DEBUG, "Driver did not support "
1829 "SIOCSIWENCODEEXT, trying SIOCSIWENCODE");
1832 wpa_printf(MSG_DEBUG, "Driver did not support "
1833 "SIOCSIWENCODEEXT");
1837 os_memset(&iwr, 0, sizeof(iwr));
1838 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1839 iwr.u.encoding.flags = key_idx + 1;
1840 iwr.u.encoding.flags |= IW_ENCODE_TEMP;
1841 if (alg == WPA_ALG_NONE)
1842 iwr.u.encoding.flags |= IW_ENCODE_DISABLED;
1843 iwr.u.encoding.pointer = (caddr_t) key;
1844 iwr.u.encoding.length = key_len;
1846 if (ioctl(drv->ioctl_sock, SIOCSIWENCODE, &iwr) < 0) {
1847 perror("ioctl[SIOCSIWENCODE]");
1851 if (set_tx && alg != WPA_ALG_NONE) {
1852 os_memset(&iwr, 0, sizeof(iwr));
1853 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1854 iwr.u.encoding.flags = key_idx + 1;
1855 iwr.u.encoding.flags |= IW_ENCODE_TEMP;
1856 iwr.u.encoding.pointer = (caddr_t) NULL;
1857 iwr.u.encoding.length = 0;
1858 if (ioctl(drv->ioctl_sock, SIOCSIWENCODE, &iwr) < 0) {
1859 perror("ioctl[SIOCSIWENCODE] (set_tx)");
1868 static int wpa_driver_wext_set_countermeasures(void *priv,
1871 struct wpa_driver_wext_data *drv = priv;
1872 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1873 return wpa_driver_wext_set_auth_param(drv,
1874 IW_AUTH_TKIP_COUNTERMEASURES,
1879 static int wpa_driver_wext_set_drop_unencrypted(void *priv,
1882 struct wpa_driver_wext_data *drv = priv;
1883 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1884 drv->use_crypt = enabled;
1885 return wpa_driver_wext_set_auth_param(drv, IW_AUTH_DROP_UNENCRYPTED,
1890 static int wpa_driver_wext_mlme(struct wpa_driver_wext_data *drv,
1891 const u8 *addr, int cmd, int reason_code)
1894 struct iw_mlme mlme;
1897 os_memset(&iwr, 0, sizeof(iwr));
1898 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1899 os_memset(&mlme, 0, sizeof(mlme));
1901 mlme.reason_code = reason_code;
1902 mlme.addr.sa_family = ARPHRD_ETHER;
1903 os_memcpy(mlme.addr.sa_data, addr, ETH_ALEN);
1904 iwr.u.data.pointer = (caddr_t) &mlme;
1905 iwr.u.data.length = sizeof(mlme);
1907 if (ioctl(drv->ioctl_sock, SIOCSIWMLME, &iwr) < 0) {
1908 perror("ioctl[SIOCSIWMLME]");
1916 static void wpa_driver_wext_disconnect(struct wpa_driver_wext_data *drv)
1918 const u8 null_bssid[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
1923 * Clear the BSSID selection and set a random SSID to make sure the
1924 * driver will not be trying to associate with something even if it
1925 * does not understand SIOCSIWMLME commands (or tries to associate
1926 * automatically after deauth/disassoc).
1928 wpa_driver_wext_set_bssid(drv, null_bssid);
1930 for (i = 0; i < 32; i++)
1931 ssid[i] = rand() & 0xFF;
1932 wpa_driver_wext_set_ssid(drv, ssid, 32);
1936 static int wpa_driver_wext_deauthenticate(void *priv, const u8 *addr,
1939 struct wpa_driver_wext_data *drv = priv;
1941 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1942 wpa_driver_wext_disconnect(drv);
1943 ret = wpa_driver_wext_mlme(drv, addr, IW_MLME_DEAUTH, reason_code);
1948 static int wpa_driver_wext_disassociate(void *priv, const u8 *addr,
1951 struct wpa_driver_wext_data *drv = priv;
1953 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
1954 ret = wpa_driver_wext_mlme(drv, addr, IW_MLME_DISASSOC, reason_code);
1955 wpa_driver_wext_disconnect(drv);
1960 static int wpa_driver_wext_set_gen_ie(void *priv, const u8 *ie,
1963 struct wpa_driver_wext_data *drv = priv;
1967 os_memset(&iwr, 0, sizeof(iwr));
1968 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
1969 iwr.u.data.pointer = (caddr_t) ie;
1970 iwr.u.data.length = ie_len;
1972 if (ioctl(drv->ioctl_sock, SIOCSIWGENIE, &iwr) < 0) {
1973 perror("ioctl[SIOCSIWGENIE]");
1981 int wpa_driver_wext_cipher2wext(int cipher)
1985 return IW_AUTH_CIPHER_NONE;
1987 return IW_AUTH_CIPHER_WEP40;
1989 return IW_AUTH_CIPHER_TKIP;
1991 return IW_AUTH_CIPHER_CCMP;
1993 return IW_AUTH_CIPHER_WEP104;
2000 int wpa_driver_wext_keymgmt2wext(int keymgmt)
2003 case KEY_MGMT_802_1X:
2004 case KEY_MGMT_802_1X_NO_WPA:
2005 return IW_AUTH_KEY_MGMT_802_1X;
2007 return IW_AUTH_KEY_MGMT_PSK;
2015 wpa_driver_wext_auth_alg_fallback(struct wpa_driver_wext_data *drv,
2016 struct wpa_driver_associate_params *params)
2021 wpa_printf(MSG_DEBUG, "WEXT: Driver did not support "
2022 "SIOCSIWAUTH for AUTH_ALG, trying SIOCSIWENCODE");
2024 os_memset(&iwr, 0, sizeof(iwr));
2025 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
2026 /* Just changing mode, not actual keys */
2027 iwr.u.encoding.flags = 0;
2028 iwr.u.encoding.pointer = (caddr_t) NULL;
2029 iwr.u.encoding.length = 0;
2032 * Note: IW_ENCODE_{OPEN,RESTRICTED} can be interpreted to mean two
2033 * different things. Here they are used to indicate Open System vs.
2034 * Shared Key authentication algorithm. However, some drivers may use
2035 * them to select between open/restricted WEP encrypted (open = allow
2036 * both unencrypted and encrypted frames; restricted = only allow
2037 * encrypted frames).
2040 if (!drv->use_crypt) {
2041 iwr.u.encoding.flags |= IW_ENCODE_DISABLED;
2043 if (params->auth_alg & AUTH_ALG_OPEN_SYSTEM)
2044 iwr.u.encoding.flags |= IW_ENCODE_OPEN;
2045 if (params->auth_alg & AUTH_ALG_SHARED_KEY)
2046 iwr.u.encoding.flags |= IW_ENCODE_RESTRICTED;
2049 if (ioctl(drv->ioctl_sock, SIOCSIWENCODE, &iwr) < 0) {
2050 perror("ioctl[SIOCSIWENCODE]");
2058 int wpa_driver_wext_associate(void *priv,
2059 struct wpa_driver_associate_params *params)
2061 struct wpa_driver_wext_data *drv = priv;
2063 int allow_unencrypted_eapol;
2066 wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
2069 * If the driver did not support SIOCSIWAUTH, fallback to
2070 * SIOCSIWENCODE here.
2072 if (drv->auth_alg_fallback &&
2073 wpa_driver_wext_auth_alg_fallback(drv, params) < 0)
2076 if (!params->bssid &&
2077 wpa_driver_wext_set_bssid(drv, NULL) < 0)
2080 /* TODO: should consider getting wpa version and cipher/key_mgmt suites
2081 * from configuration, not from here, where only the selected suite is
2083 if (wpa_driver_wext_set_gen_ie(drv, params->wpa_ie, params->wpa_ie_len)
2086 if (params->wpa_ie == NULL || params->wpa_ie_len == 0)
2087 value = IW_AUTH_WPA_VERSION_DISABLED;
2088 else if (params->wpa_ie[0] == WLAN_EID_RSN)
2089 value = IW_AUTH_WPA_VERSION_WPA2;
2091 value = IW_AUTH_WPA_VERSION_WPA;
2092 if (wpa_driver_wext_set_auth_param(drv,
2093 IW_AUTH_WPA_VERSION, value) < 0)
2095 value = wpa_driver_wext_cipher2wext(params->pairwise_suite);
2096 if (wpa_driver_wext_set_auth_param(drv,
2097 IW_AUTH_CIPHER_PAIRWISE, value) < 0)
2099 value = wpa_driver_wext_cipher2wext(params->group_suite);
2100 if (wpa_driver_wext_set_auth_param(drv,
2101 IW_AUTH_CIPHER_GROUP, value) < 0)
2103 value = wpa_driver_wext_keymgmt2wext(params->key_mgmt_suite);
2104 if (wpa_driver_wext_set_auth_param(drv,
2105 IW_AUTH_KEY_MGMT, value) < 0)
2107 value = params->key_mgmt_suite != KEY_MGMT_NONE ||
2108 params->pairwise_suite != CIPHER_NONE ||
2109 params->group_suite != CIPHER_NONE ||
2111 if (wpa_driver_wext_set_auth_param(drv,
2112 IW_AUTH_PRIVACY_INVOKED, value) < 0)
2115 /* Allow unencrypted EAPOL messages even if pairwise keys are set when
2116 * not using WPA. IEEE 802.1X specifies that these frames are not
2117 * encrypted, but WPA encrypts them when pairwise keys are in use. */
2118 if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
2119 params->key_mgmt_suite == KEY_MGMT_PSK)
2120 allow_unencrypted_eapol = 0;
2122 allow_unencrypted_eapol = 1;
2124 if (wpa_driver_wext_set_psk(drv, params->psk) < 0)
2126 if (wpa_driver_wext_set_auth_param(drv,
2127 IW_AUTH_RX_UNENCRYPTED_EAPOL,
2128 allow_unencrypted_eapol) < 0)
2130 #ifdef CONFIG_IEEE80211W
2131 switch (params->mgmt_frame_protection) {
2132 case NO_MGMT_FRAME_PROTECTION:
2133 value = IW_AUTH_MFP_DISABLED;
2135 case MGMT_FRAME_PROTECTION_OPTIONAL:
2136 value = IW_AUTH_MFP_OPTIONAL;
2138 case MGMT_FRAME_PROTECTION_REQUIRED:
2139 value = IW_AUTH_MFP_REQUIRED;
2142 if (wpa_driver_wext_set_auth_param(drv, IW_AUTH_MFP, value) < 0)
2144 #endif /* CONFIG_IEEE80211W */
2145 if (params->freq && wpa_driver_wext_set_freq(drv, params->freq) < 0)
2147 if (wpa_driver_wext_set_ssid(drv, params->ssid, params->ssid_len) < 0)
2149 if (params->bssid &&
2150 wpa_driver_wext_set_bssid(drv, params->bssid) < 0)
2157 static int wpa_driver_wext_set_auth_alg(void *priv, int auth_alg)
2159 struct wpa_driver_wext_data *drv = priv;
2162 if (auth_alg & AUTH_ALG_OPEN_SYSTEM)
2163 algs |= IW_AUTH_ALG_OPEN_SYSTEM;
2164 if (auth_alg & AUTH_ALG_SHARED_KEY)
2165 algs |= IW_AUTH_ALG_SHARED_KEY;
2166 if (auth_alg & AUTH_ALG_LEAP)
2167 algs |= IW_AUTH_ALG_LEAP;
2169 /* at least one algorithm should be set */
2170 algs = IW_AUTH_ALG_OPEN_SYSTEM;
2173 res = wpa_driver_wext_set_auth_param(drv, IW_AUTH_80211_AUTH_ALG,
2175 drv->auth_alg_fallback = res == -2;
2181 * wpa_driver_wext_set_mode - Set wireless mode (infra/adhoc), SIOCSIWMODE
2182 * @priv: Pointer to private wext data from wpa_driver_wext_init()
2183 * @mode: 0 = infra/BSS (associate with an AP), 1 = adhoc/IBSS
2184 * Returns: 0 on success, -1 on failure
2186 int wpa_driver_wext_set_mode(void *priv, int mode)
2188 struct wpa_driver_wext_data *drv = priv;
2190 int ret = -1, flags;
2191 unsigned int new_mode = mode ? IW_MODE_ADHOC : IW_MODE_INFRA;
2193 os_memset(&iwr, 0, sizeof(iwr));
2194 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
2195 iwr.u.mode = new_mode;
2196 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) == 0) {
2201 if (errno != EBUSY) {
2202 perror("ioctl[SIOCSIWMODE]");
2206 /* mac80211 doesn't allow mode changes while the device is up, so if
2207 * the device isn't in the mode we're about to change to, take device
2208 * down, try to set the mode again, and bring it back up.
2210 if (ioctl(drv->ioctl_sock, SIOCGIWMODE, &iwr) < 0) {
2211 perror("ioctl[SIOCGIWMODE]");
2215 if (iwr.u.mode == new_mode) {
2220 if (wpa_driver_wext_get_ifflags(drv, &flags) == 0) {
2221 (void) wpa_driver_wext_set_ifflags(drv, flags & ~IFF_UP);
2223 /* Try to set the mode again while the interface is down */
2224 iwr.u.mode = new_mode;
2225 if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0)
2226 perror("ioctl[SIOCSIWMODE]");
2230 /* Ignore return value of get_ifflags to ensure that the device
2231 * is always up like it was before this function was called.
2233 (void) wpa_driver_wext_get_ifflags(drv, &flags);
2234 (void) wpa_driver_wext_set_ifflags(drv, flags | IFF_UP);
2242 static int wpa_driver_wext_pmksa(struct wpa_driver_wext_data *drv,
2243 u32 cmd, const u8 *bssid, const u8 *pmkid)
2246 struct iw_pmksa pmksa;
2249 os_memset(&iwr, 0, sizeof(iwr));
2250 os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
2251 os_memset(&pmksa, 0, sizeof(pmksa));
2253 pmksa.bssid.sa_family = ARPHRD_ETHER;
2255 os_memcpy(pmksa.bssid.sa_data, bssid, ETH_ALEN);
2257 os_memcpy(pmksa.pmkid, pmkid, IW_PMKID_LEN);
2258 iwr.u.data.pointer = (caddr_t) &pmksa;
2259 iwr.u.data.length = sizeof(pmksa);
2261 if (ioctl(drv->ioctl_sock, SIOCSIWPMKSA, &iwr) < 0) {
2262 if (errno != EOPNOTSUPP)
2263 perror("ioctl[SIOCSIWPMKSA]");
2271 static int wpa_driver_wext_add_pmkid(void *priv, const u8 *bssid,
2274 struct wpa_driver_wext_data *drv = priv;
2275 return wpa_driver_wext_pmksa(drv, IW_PMKSA_ADD, bssid, pmkid);
2279 static int wpa_driver_wext_remove_pmkid(void *priv, const u8 *bssid,
2282 struct wpa_driver_wext_data *drv = priv;
2283 return wpa_driver_wext_pmksa(drv, IW_PMKSA_REMOVE, bssid, pmkid);
2287 static int wpa_driver_wext_flush_pmkid(void *priv)
2289 struct wpa_driver_wext_data *drv = priv;
2290 return wpa_driver_wext_pmksa(drv, IW_PMKSA_FLUSH, NULL, NULL);
2294 int wpa_driver_wext_get_capa(void *priv, struct wpa_driver_capa *capa)
2296 struct wpa_driver_wext_data *drv = priv;
2297 if (!drv->has_capability)
2299 os_memcpy(capa, &drv->capa, sizeof(*capa));
2304 int wpa_driver_wext_alternative_ifindex(struct wpa_driver_wext_data *drv,
2307 if (ifname == NULL) {
2312 drv->ifindex2 = if_nametoindex(ifname);
2313 if (drv->ifindex2 <= 0)
2316 wpa_printf(MSG_DEBUG, "Added alternative ifindex %d (%s) for "
2317 "wireless events", drv->ifindex2, ifname);
2323 int wpa_driver_wext_set_operstate(void *priv, int state)
2325 struct wpa_driver_wext_data *drv = priv;
2327 wpa_printf(MSG_DEBUG, "%s: operstate %d->%d (%s)",
2328 __func__, drv->operstate, state, state ? "UP" : "DORMANT");
2329 drv->operstate = state;
2330 return wpa_driver_wext_send_oper_ifla(
2331 drv, -1, state ? IF_OPER_UP : IF_OPER_DORMANT);
2335 int wpa_driver_wext_get_version(struct wpa_driver_wext_data *drv)
2337 return drv->we_version_compiled;
2341 const struct wpa_driver_ops wpa_driver_wext_ops = {
2343 .desc = "Linux wireless extensions (generic)",
2344 .get_bssid = wpa_driver_wext_get_bssid,
2345 .get_ssid = wpa_driver_wext_get_ssid,
2346 .set_wpa = wpa_driver_wext_set_wpa,
2347 .set_key = wpa_driver_wext_set_key,
2348 .set_countermeasures = wpa_driver_wext_set_countermeasures,
2349 .set_drop_unencrypted = wpa_driver_wext_set_drop_unencrypted,
2350 .scan = wpa_driver_wext_scan,
2351 .get_scan_results2 = wpa_driver_wext_get_scan_results,
2352 .deauthenticate = wpa_driver_wext_deauthenticate,
2353 .disassociate = wpa_driver_wext_disassociate,
2354 .set_mode = wpa_driver_wext_set_mode,
2355 .associate = wpa_driver_wext_associate,
2356 .set_auth_alg = wpa_driver_wext_set_auth_alg,
2357 .init = wpa_driver_wext_init,
2358 .deinit = wpa_driver_wext_deinit,
2359 .add_pmkid = wpa_driver_wext_add_pmkid,
2360 .remove_pmkid = wpa_driver_wext_remove_pmkid,
2361 .flush_pmkid = wpa_driver_wext_flush_pmkid,
2362 .get_capa = wpa_driver_wext_get_capa,
2363 .set_operstate = wpa_driver_wext_set_operstate,