2 * hostapd / Driver interaction with Prism54 PIMFOR interface
3 * Copyright (c) 2004, Bell Kin <bell_kin@pek.com.tw>
4 * based on hostap driver.c, ieee802_11.c
5 * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
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.
11 * Alternatively, this software may be distributed under the terms of BSD
14 * See README and COPYING for more details.
18 #include <sys/ioctl.h>
19 #include <sys/select.h>
21 #ifdef USE_KERNEL_HEADERS
22 /* compat-wireless does not include linux/compiler.h to define __user, so
27 #include <asm/types.h>
28 #include <linux/if_packet.h>
29 #include <linux/if_ether.h> /* The L2 protocols */
30 #include <linux/if_arp.h>
31 #include <linux/wireless.h>
32 #else /* USE_KERNEL_HEADERS */
33 #include <net/if_arp.h>
34 #include <netpacket/packet.h>
35 #include "wireless_copy.h"
36 #endif /* USE_KERNEL_HEADERS */
40 #include "ieee802_1x.h"
42 #include "ieee802_11.h"
45 #include "radius/radius.h"
47 #include "accounting.h"
49 const int PIM_BUF_SIZE = 4096;
51 struct prism54_driver_data {
52 struct hostapd_data *hapd;
53 char iface[IFNAMSIZ + 1];
54 int sock; /* raw packet socket for 802.3 access */
55 int pim_sock; /* socket for pimfor packet */
60 static int mac_id_refresh(struct prism54_driver_data *data, int id, char *mac)
62 if (id < 0 || id > 2006) {
65 memcpy(&data->macs[id][0], mac, ETH_ALEN);
70 static char * mac_id_get(struct prism54_driver_data *data, int id)
72 if (id < 0 || id > 2006) {
75 return &data->macs[id][0];
79 /* wait for a specific pimfor, timeout in 10ms resolution */
80 /* pim_sock must be non-block to prevent dead lock from no response */
81 /* or same response type in series */
82 static int prism54_waitpim(void *priv, unsigned long oid, void *buf, int len,
85 struct prism54_driver_data *drv = priv;
86 struct timeval tv, stv, ctv;
96 gettimeofday(&stv, NULL);
98 FD_SET(drv->pim_sock, &pfd);
101 if (select(drv->pim_sock + 1, &pfd, NULL, NULL, &tv)) {
102 rlen = recv(drv->pim_sock, pkt, 8192, 0);
104 if (pkt->oid == htonl(oid)) {
107 memcpy(buf, pkt, rlen);
112 printf("buffer too small\n");
117 gettimeofday(&ctv, NULL);
122 gettimeofday(&ctv, NULL);
123 } while (((ctv.tv_sec - stv.tv_sec) * 100 +
124 (ctv.tv_usec - stv.tv_usec) / 10000) > timeout);
130 /* send an eapol packet */
131 static int prism54_send_eapol(void *priv, const u8 *addr,
132 const u8 *data, size_t data_len, int encrypt,
135 struct prism54_driver_data *drv = priv;
141 len = sizeof(*hdr) + data_len;
142 hdr = os_zalloc(len);
144 printf("malloc() failed for prism54_send_data(len=%lu)\n",
145 (unsigned long) len);
149 memcpy(&hdr->da[0], addr, ETH_ALEN);
150 memcpy(&hdr->sa[0], own_addr, ETH_ALEN);
151 hdr->type = htons(ETH_P_PAE);
152 pos = (u8 *) (hdr + 1);
153 memcpy(pos, data, data_len);
155 res = send(drv->sock, hdr, len, 0);
159 perror("hostapd_send_eapol: send");
160 printf("hostapd_send_eapol - packet len: %lu - failed\n",
161 (unsigned long) len);
168 /* open data channel(auth-1) or eapol only(unauth-0) */
169 static int prism54_set_sta_authorized(void *priv, const u8 *addr,
172 struct prism54_driver_data *drv = priv;
176 hdr = malloc(sizeof(*hdr) + ETH_ALEN);
179 hdr->op = htonl(PIMOP_SET);
181 hdr->oid = htonl(DOT11_OID_EAPAUTHSTA);
183 hdr->oid = htonl(DOT11_OID_EAPUNAUTHSTA);
185 pos = (char *) (hdr + 1);
186 memcpy(pos, addr, ETH_ALEN);
187 send(drv->pim_sock, hdr, sizeof(*hdr) + ETH_ALEN, 0);
188 prism54_waitpim(priv, hdr->oid, hdr, sizeof(*hdr) + ETH_ALEN, 10);
195 prism54_sta_set_flags(void *priv, const u8 *addr, int total_flags,
196 int flags_or, int flags_and)
198 /* For now, only support setting Authorized flag */
199 if (flags_or & WLAN_STA_AUTHORIZED)
200 return prism54_set_sta_authorized(priv, addr, 1);
201 if (flags_and & WLAN_STA_AUTHORIZED)
202 return prism54_set_sta_authorized(priv, addr, 0);
207 /* set per station key */
208 static int prism54_set_encryption(const char *ifname, void *priv,
209 const char *alg, const u8 *addr,
210 int idx, const u8 *key, size_t key_len,
213 struct prism54_driver_data *drv = priv;
215 struct obj_stakey *keys;
220 blen = sizeof(struct obj_stakey) + sizeof(pimdev_hdr);
223 printf("memory low\n");
226 keys = (struct obj_stakey *) &hdr[1];
228 memset(&keys->address[0], 0xff, ETH_ALEN);
230 memcpy(&keys->address[0], addr, ETH_ALEN);
232 if (!strcmp(alg, "WEP")) {
233 keys->type = DOT11_PRIV_WEP;
234 } else if (!strcmp(alg, "TKIP")) {
235 keys->type = DOT11_PRIV_TKIP;
236 } else if (!strcmp(alg, "none")) {
237 /* the only way to clear the key is to deauth it */
238 /* and prism54 is capable to receive unencrypted packet */
239 /* so we do nothing here */
243 printf("bad auth type: %s\n", alg);
245 buf = (u8 *) &keys->key[0];
246 keys->length = key_len;
248 keys->options = htons(DOT11_STAKEY_OPTION_DEFAULTKEY);
251 hdr->op = htonl(PIMOP_SET);
252 hdr->oid = htonl(DOT11_OID_STAKEY);
254 memcpy(buf, key, key_len);
256 ret = send(drv->pim_sock, hdr, blen, 0);
261 prism54_waitpim(priv, hdr->oid, hdr, blen, 10);
269 /* get TKIP station sequence counter, prism54 is only 6 bytes */
270 static int prism54_get_seqnum(const char *ifname, void *priv, const u8 *addr,
273 struct prism54_driver_data *drv = priv;
274 struct obj_stasc *stasc;
279 blen = sizeof(*stasc) + sizeof(*hdr);
284 stasc = (struct obj_stasc *) &hdr[1];
287 memset(&stasc->address[0], 0xff, ETH_ALEN);
289 memcpy(&stasc->address[0], addr, ETH_ALEN);
291 hdr->oid = htonl(DOT11_OID_STASC);
292 hdr->op = htonl(PIMOP_GET);
294 if (send(drv->pim_sock,hdr,blen,0) <= 0) {
298 if (prism54_waitpim(priv, DOT11_OID_STASC, hdr, blen, 10) <= 0) {
301 if (hdr->op == (int) htonl(PIMOP_RESPONSE)) {
302 memcpy(seq + 2, &stasc->sc_high, ETH_ALEN);
314 /* include unencrypted, set mlme autolevel to extended */
315 static int prism54_init_1x(void *priv)
317 struct prism54_driver_data *drv = priv;
320 int blen = sizeof(*hdr) + sizeof(*ul);
326 ul = (unsigned long *) &hdr[1];
327 hdr->op = htonl(PIMOP_SET);
328 hdr->oid = htonl(DOT11_OID_EXUNENCRYPTED);
329 *ul = htonl(DOT11_BOOL_TRUE); /* not accept */
330 send(drv->pim_sock, hdr, blen, 0);
331 prism54_waitpim(priv, DOT11_OID_EXUNENCRYPTED, hdr, blen, 10);
332 hdr->op = htonl(PIMOP_SET);
333 hdr->oid = htonl(DOT11_OID_MLMEAUTOLEVEL);
334 *ul = htonl(DOT11_MLME_EXTENDED);
335 send(drv->pim_sock, hdr, blen, 0);
336 prism54_waitpim(priv, DOT11_OID_MLMEAUTOLEVEL, hdr, blen, 10);
337 hdr->op = htonl(PIMOP_SET);
338 hdr->oid = htonl(DOT11_OID_DOT1XENABLE);
339 *ul = htonl(DOT11_BOOL_TRUE);
340 send(drv->pim_sock, hdr, blen, 0);
341 prism54_waitpim(priv, DOT11_OID_DOT1XENABLE, hdr, blen, 10);
342 hdr->op = htonl(PIMOP_SET);
343 hdr->oid = htonl(DOT11_OID_AUTHENABLE);
344 *ul = htonl(DOT11_AUTH_OS); /* OS */
345 send(drv->pim_sock, hdr, blen, 0);
346 prism54_waitpim(priv, DOT11_OID_AUTHENABLE, hdr, blen, 10);
352 static int prism54_set_privacy_invoked(const char *ifname, void *priv,
355 struct prism54_driver_data *drv = priv;
359 int blen = sizeof(*hdr) + sizeof(*ul);
363 ul = (unsigned long *) &hdr[1];
364 hdr->op = htonl(PIMOP_SET);
365 hdr->oid = htonl(DOT11_OID_PRIVACYINVOKED);
367 *ul = htonl(DOT11_BOOL_TRUE); /* has privacy */
371 ret = send(drv->pim_sock, hdr, blen, 0);
373 ret = prism54_waitpim(priv, DOT11_OID_PRIVACYINVOKED, hdr,
381 static int prism54_ioctl_setiwessid(const char *ifname, void *priv,
382 const u8 *buf, int len)
385 struct prism54_driver_data *drv = priv;
388 memset(&iwr, 0, sizeof(iwr));
389 os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
390 iwr.u.essid.flags = 1; /* SSID active */
391 iwr.u.essid.pointer = (caddr_t) buf;
392 iwr.u.essid.length = len + 1;
394 if (ioctl(drv->pim_sock, SIOCSIWESSID, &iwr) < 0) {
395 perror("ioctl[SIOCSIWESSID]");
396 printf("len=%d\n", len);
404 /* kick all stations */
405 /* does not work during init, but at least it won't crash firmware */
406 static int prism54_flush(void *priv)
408 struct prism54_driver_data *drv = priv;
409 struct obj_mlmeex *mlme;
414 int blen = sizeof(*hdr) + sizeof(*mlme);
417 hdr = os_zalloc(blen);
421 mlme = (struct obj_mlmeex *) &hdr[1];
422 nsta = (long *) &hdr[1];
423 hdr->op = htonl(PIMOP_GET);
424 hdr->oid = htonl(DOT11_OID_CLIENTS);
425 ret = send(drv->pim_sock, hdr, sizeof(*hdr) + sizeof(long), 0);
426 ret = prism54_waitpim(priv, DOT11_OID_CLIENTS, hdr, blen, 10);
427 if ((ret < 0) || (hdr->op != (int) htonl(PIMOP_RESPONSE)) ||
428 (le_to_host32(*nsta) > 2007)) {
432 for (i = 0; i < le_to_host32(*nsta); i++) {
434 mac_id = mac_id_get(drv, i);
436 memcpy(&mlme->address[0], mac_id, ETH_ALEN);
437 mlme->code = host_to_le16(WLAN_REASON_UNSPECIFIED);
438 mlme->state = htons(DOT11_STATE_NONE);
440 hdr->op = htonl(PIMOP_SET);
441 hdr->oid = htonl(DOT11_OID_DISASSOCIATEEX);
442 ret = send(drv->pim_sock, hdr, blen, 0);
443 prism54_waitpim(priv, DOT11_OID_DISASSOCIATEEX, hdr, blen,
446 for (i = 0; i < le_to_host32(*nsta); i++) {
448 mac_id = mac_id_get(drv, i);
450 memcpy(&mlme->address[0], mac_id, ETH_ALEN);
451 mlme->code = host_to_le16(WLAN_REASON_UNSPECIFIED);
452 mlme->state = htons(DOT11_STATE_NONE);
454 hdr->op = htonl(PIMOP_SET);
455 hdr->oid = htonl(DOT11_OID_DEAUTHENTICATEEX);
456 ret = send(drv->pim_sock, hdr, blen, 0);
457 prism54_waitpim(priv, DOT11_OID_DEAUTHENTICATEEX, hdr, blen,
465 static int prism54_sta_deauth(void *priv, const u8 *addr, int reason)
467 struct prism54_driver_data *drv = priv;
469 struct obj_mlmeex *mlme;
471 int blen = sizeof(*hdr) + sizeof(*mlme);
475 mlme = (struct obj_mlmeex *) &hdr[1];
476 hdr->op = htonl(PIMOP_SET);
477 hdr->oid = htonl(DOT11_OID_DEAUTHENTICATEEX);
478 memcpy(&mlme->address[0], addr, ETH_ALEN);
480 mlme->state = htons(DOT11_STATE_NONE);
481 mlme->code = host_to_le16(reason);
483 ret = send(drv->pim_sock, hdr, blen, 0);
484 prism54_waitpim(priv, DOT11_OID_DEAUTHENTICATEEX, hdr, blen, 10);
490 static int prism54_sta_disassoc(void *priv, const u8 *addr, int reason)
492 struct prism54_driver_data *drv = priv;
494 struct obj_mlmeex *mlme;
496 int blen = sizeof(*hdr) + sizeof(*mlme);
500 mlme = (struct obj_mlmeex *) &hdr[1];
501 hdr->op = htonl(PIMOP_SET);
502 hdr->oid = htonl(DOT11_OID_DISASSOCIATEEX);
503 memcpy(&mlme->address[0], addr, ETH_ALEN);
505 mlme->state = htons(DOT11_STATE_NONE);
506 mlme->code = host_to_le16(reason);
508 ret = send(drv->pim_sock, hdr, blen, 0);
509 prism54_waitpim(priv, DOT11_OID_DISASSOCIATEEX, hdr, blen, 10);
515 static int prism54_get_inact_sec(void *priv, const u8 *addr)
517 struct prism54_driver_data *drv = priv;
520 int blen = sizeof(*hdr) + sizeof(*sta);
526 hdr->op = htonl(PIMOP_GET);
527 hdr->oid = htonl(DOT11_OID_CLIENTFIND);
528 sta = (struct obj_sta *) &hdr[1];
529 memcpy(&sta->address[0], addr, ETH_ALEN);
530 ret = send(drv->pim_sock, hdr, blen, 0);
531 ret = prism54_waitpim(priv, DOT11_OID_CLIENTFIND, hdr, blen, 10);
533 printf("get_inact_sec: bad return %d\n", ret);
537 if (hdr->op != (int) htonl(PIMOP_RESPONSE)) {
538 printf("get_inact_sec: bad resp\n");
543 return le_to_host16(sta->age);
547 /* set attachments */
548 static int prism54_set_generic_elem(const char *ifname, void *priv,
549 const u8 *elem, size_t elem_len)
551 struct prism54_driver_data *drv = priv;
554 struct obj_attachment_hdr *attach;
555 size_t blen = sizeof(*hdr) + sizeof(*attach) + elem_len;
556 hdr = os_zalloc(blen);
558 printf("%s: memory low\n", __func__);
561 hdr->op = htonl(PIMOP_SET);
562 hdr->oid = htonl(DOT11_OID_ATTACHMENT);
563 attach = (struct obj_attachment_hdr *)&hdr[1];
564 attach->type = DOT11_PKT_BEACON;
566 attach->size = host_to_le16((short)elem_len);
567 pos = ((char*) attach) + sizeof(*attach);
569 memcpy(pos, elem, elem_len);
570 send(drv->pim_sock, hdr, blen, 0);
571 attach->type = DOT11_PKT_PROBE_RESP;
572 send(drv->pim_sock, hdr, blen, 0);
578 /* tell the card to auth the sta */
579 static void prism54_handle_probe(struct prism54_driver_data *drv,
580 void *buf, size_t len)
582 struct obj_mlmeex *mlme;
584 struct sta_info *sta;
585 hdr = (pimdev_hdr *)buf;
586 mlme = (struct obj_mlmeex *) &hdr[1];
587 sta = ap_get_sta(drv->hapd, (u8 *) &mlme->address[0]);
589 if (sta->flags & (WLAN_STA_AUTH | WLAN_STA_ASSOC))
592 if (len < sizeof(*mlme)) {
593 printf("bad probe packet\n");
596 mlme->state = htons(DOT11_STATE_AUTHING);
598 hdr->op = htonl(PIMOP_SET);
599 hdr->oid = htonl(DOT11_OID_AUTHENTICATEEX);
601 send(drv->pim_sock, hdr, sizeof(*hdr)+sizeof(*mlme), 0);
605 static void prism54_handle_deauth(struct prism54_driver_data *drv,
606 void *buf, size_t len)
608 struct obj_mlme *mlme;
610 struct sta_info *sta;
613 hdr = (pimdev_hdr *) buf;
614 mlme = (struct obj_mlme *) &hdr[1];
615 sta = ap_get_sta(drv->hapd, (u8 *) &mlme->address[0]);
616 mac_id = mac_id_get(drv, mlme->id);
617 if (sta == NULL || mac_id == NULL)
619 memcpy(&mlme->address[0], mac_id, ETH_ALEN);
620 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
621 wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH);
622 sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
623 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
624 ap_free_sta(drv->hapd, sta);
628 static void prism54_handle_disassoc(struct prism54_driver_data *drv,
629 void *buf, size_t len)
631 struct obj_mlme *mlme;
633 struct sta_info *sta;
636 hdr = (pimdev_hdr *) buf;
637 mlme = (struct obj_mlme *) &hdr[1];
638 mac_id = mac_id_get(drv, mlme->id);
641 memcpy(&mlme->address[0], mac_id, ETH_ALEN);
642 sta = ap_get_sta(drv->hapd, (u8 *) &mlme->address[0]);
646 sta->flags &= ~WLAN_STA_ASSOC;
647 wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
648 sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
649 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
650 accounting_sta_stop(drv->hapd, sta);
651 ieee802_1x_free_station(sta);
655 /* to auth it, just allow it now, later for os/sk */
656 static void prism54_handle_auth(struct prism54_driver_data *drv,
657 void *buf, size_t len)
659 struct obj_mlmeex *mlme;
661 struct sta_info *sta;
664 hdr = (pimdev_hdr *) buf;
665 mlme = (struct obj_mlmeex *) &hdr[1];
666 if (len < sizeof(*mlme)) {
667 printf("bad auth packet\n");
671 if (mlme->state == htons(DOT11_STATE_AUTHING)) {
672 sta = ap_sta_add(drv->hapd, (u8 *) &mlme->address[0]);
673 if (drv->hapd->tkip_countermeasures) {
674 resp = WLAN_REASON_MICHAEL_MIC_FAILURE;
677 mac_id_refresh(drv, mlme->id, &mlme->address[0]);
679 resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
682 sta->flags &= ~WLAN_STA_PREAUTH;
684 ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
685 sta->flags |= WLAN_STA_AUTH;
686 wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
688 mlme->state=htons(DOT11_STATE_AUTH);
689 hdr->op = htonl(PIMOP_SET);
690 hdr->oid = htonl(DOT11_OID_AUTHENTICATEEX);
692 sta->timeout_next = STA_NULLFUNC;
693 send(drv->pim_sock, hdr, sizeof(*hdr) + sizeof(*mlme), 0);
698 printf("auth fail: %x\n", resp);
699 mlme->code = host_to_le16(resp);
702 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
703 hdr->oid = htonl(DOT11_OID_DEAUTHENTICATEEX);
704 hdr->op = htonl(PIMOP_SET);
705 send(drv->pim_sock, hdr, sizeof(*hdr)+sizeof(*mlme), 0);
709 /* do the wpa thing */
710 static void prism54_handle_assoc(struct prism54_driver_data *drv,
711 void *buf, size_t len)
714 struct obj_mlmeex *mlme;
715 struct ieee802_11_elems elems;
716 struct sta_info *sta;
725 hdr = (pimdev_hdr *) buf;
726 mlme = (struct obj_mlmeex *) &hdr[1];
727 switch (ntohl(hdr->oid)) {
728 case DOT11_OID_ASSOCIATE:
729 case DOT11_OID_REASSOCIATE:
734 if ((mlme->state == (int) htonl(DOT11_STATE_ASSOCING)) ||
735 (mlme->state == (int) htonl(DOT11_STATE_REASSOCING))) {
736 if (len < sizeof(pimdev_hdr) + sizeof(struct obj_mlme)) {
737 printf("bad assoc packet\n");
740 mac_id = mac_id_get(drv, mlme->id);
743 memcpy(&mlme->address[0], mac_id, ETH_ALEN);
744 sta = ap_get_sta(drv->hapd, (u8 *) &mlme->address[0]);
746 printf("cannot get sta\n");
749 cb = (u8 *) &mlme->data[0];
750 if (hdr->oid == htonl(DOT11_OID_ASSOCIATEEX)) {
752 } else if (hdr->oid == htonl(DOT11_OID_REASSOCIATEEX)) {
755 if (le_to_host16(mlme->size) <= ieofs) {
756 printf("attach too small\n");
757 resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
760 if (ieee802_11_parse_elems(cb + ieofs,
761 le_to_host16(mlme->size) - ieofs,
762 &elems, 1) == ParseFailed) {
763 printf("STA " MACSTR " sent invalid association "
764 "request\n", MAC2STR(sta->addr));
765 resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
768 if ((drv->hapd->conf->wpa & WPA_PROTO_RSN) &&
770 wpa_ie = elems.rsn_ie;
771 wpa_ie_len = elems.rsn_ie_len;
772 } else if ((drv->hapd->conf->wpa & WPA_PROTO_WPA) &&
774 wpa_ie = elems.wpa_ie;
775 wpa_ie_len = elems.wpa_ie_len;
780 if (drv->hapd->conf->wpa && wpa_ie == NULL) {
781 printf("STA " MACSTR ": No WPA/RSN IE in association "
782 "request\n", MAC2STR(sta->addr));
783 resp = WLAN_STATUS_INVALID_IE;
786 if (drv->hapd->conf->wpa) {
790 if (sta->wpa_sm == NULL)
791 sta->wpa_sm = wpa_auth_sta_init(
792 drv->hapd->wpa_auth, sta->addr);
793 if (sta->wpa_sm == NULL) {
794 printf("Failed to initialize WPA state "
796 resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
799 res = wpa_validate_wpa_ie(drv->hapd->wpa_auth,
803 if (res == WPA_INVALID_GROUP)
804 resp = WLAN_STATUS_GROUP_CIPHER_NOT_VALID;
805 else if (res == WPA_INVALID_PAIRWISE)
806 resp = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID;
807 else if (res == WPA_INVALID_AKMP)
808 resp = WLAN_STATUS_AKMP_NOT_VALID;
809 else if (res == WPA_ALLOC_FAIL)
810 resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
811 else if (res != WPA_IE_OK)
812 resp = WLAN_STATUS_INVALID_IE;
813 if (resp != WLAN_STATUS_SUCCESS)
816 hdr->oid = (hdr->oid == htonl(DOT11_OID_ASSOCIATEEX)) ?
817 htonl(DOT11_OID_ASSOCIATEEX) :
818 htonl(DOT11_OID_REASSOCIATEEX);
819 hdr->op = htonl(PIMOP_SET);
821 mlme->state = htons(DOT11_STATE_ASSOC);
823 send(drv->pim_sock, hdr, sizeof(*hdr) + sizeof(*mlme), 0);
825 } else if (mlme->state==htons(DOT11_STATE_ASSOC)) {
826 if (len < sizeof(pimdev_hdr) + sizeof(struct obj_mlme)) {
827 printf("bad assoc packet\n");
830 mac_id = mac_id_get(drv, mlme->id);
833 memcpy(&mlme->address[0], mac_id, ETH_ALEN);
834 sta = ap_get_sta(drv->hapd, (u8 *) &mlme->address[0]);
836 printf("cannot get sta\n");
839 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
840 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
841 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
842 hostapd_new_assoc_sta(drv->hapd, sta, !new_assoc);
843 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
844 sta->timeout_next = STA_NULLFUNC;
850 printf("Prism54: assoc fail: %x\n", resp);
851 mlme->code = host_to_le16(resp);
853 mlme->state = htons(DOT11_STATE_ASSOCING);
854 hdr->oid = htonl(DOT11_OID_DISASSOCIATEEX);
855 hdr->op = htonl(PIMOP_SET);
856 sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
857 send(drv->pim_sock, hdr, sizeof(*hdr) + sizeof(*mlme), 0);
861 static void handle_pim(int sock, void *eloop_ctx, void *sock_ctx)
863 struct prism54_driver_data *drv = eloop_ctx;
867 hdr = malloc(PIM_BUF_SIZE);
870 len = recv(sock, hdr, PIM_BUF_SIZE, 0);
877 printf("handle_pim: too short (%d)\n", len);
882 if (hdr->op != (int) htonl(PIMOP_TRAP)) {
886 switch (ntohl(hdr->oid)) {
887 case DOT11_OID_PROBE:
888 prism54_handle_probe(drv, hdr, len);
890 case DOT11_OID_DEAUTHENTICATEEX:
891 case DOT11_OID_DEAUTHENTICATE:
892 prism54_handle_deauth(drv, hdr, len);
894 case DOT11_OID_DISASSOCIATEEX:
895 case DOT11_OID_DISASSOCIATE:
896 prism54_handle_disassoc(drv, hdr, len);
898 case DOT11_OID_AUTHENTICATEEX:
899 case DOT11_OID_AUTHENTICATE:
900 prism54_handle_auth(drv, hdr, len);
902 case DOT11_OID_ASSOCIATEEX:
903 case DOT11_OID_REASSOCIATEEX:
904 case DOT11_OID_ASSOCIATE:
905 case DOT11_OID_REASSOCIATE:
906 prism54_handle_assoc(drv, hdr, len);
915 static void handle_802_3(int sock, void *eloop_ctx, void *sock_ctx)
917 struct hostapd_data *hapd = (struct hostapd_data *) eloop_ctx;
921 hdr = malloc(PIM_BUF_SIZE);
924 len = recv(sock, hdr, PIM_BUF_SIZE, 0);
931 wpa_printf(MSG_MSGDUMP, "handle_802_3: too short (%d)", len);
935 if (hdr->type == htons(ETH_P_PAE)) {
936 ieee802_1x_receive(hapd, (u8 *) &hdr->sa[0], (u8 *) &hdr[1],
943 static int prism54_init_sockets(struct prism54_driver_data *drv)
945 struct hostapd_data *hapd = drv->hapd;
947 struct sockaddr_ll addr;
949 drv->sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_PAE));
951 perror("socket[PF_PACKET,SOCK_RAW]");
955 if (eloop_register_read_sock(drv->sock, handle_802_3, drv->hapd, NULL))
957 printf("Could not register read socket\n");
961 memset(&ifr, 0, sizeof(ifr));
962 if (hapd->conf->bridge[0] != '\0') {
963 printf("opening bridge: %s\n", hapd->conf->bridge);
964 os_strlcpy(ifr.ifr_name, hapd->conf->bridge,
965 sizeof(ifr.ifr_name));
967 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
969 if (ioctl(drv->sock, SIOCGIFINDEX, &ifr) != 0) {
970 perror("ioctl(SIOCGIFINDEX)");
974 memset(&addr, 0, sizeof(addr));
975 addr.sll_family = AF_PACKET;
976 addr.sll_ifindex = ifr.ifr_ifindex;
977 addr.sll_protocol = htons(ETH_P_PAE);
978 wpa_printf(MSG_DEBUG, "Opening raw packet socket for ifindex %d",
981 if (bind(drv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
986 memset(&ifr, 0, sizeof(ifr));
987 os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
988 if (ioctl(drv->sock, SIOCGIFHWADDR, &ifr) != 0) {
989 perror("ioctl(SIOCGIFHWADDR)");
993 if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
994 printf("Invalid HW-addr family 0x%04x\n",
995 ifr.ifr_hwaddr.sa_family);
998 memcpy(drv->hapd->own_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
1000 drv->pim_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
1001 if (drv->pim_sock < 0) {
1002 perror("socket[PF_PACKET,SOCK_RAW]");
1006 if (eloop_register_read_sock(drv->pim_sock, handle_pim, drv, NULL)) {
1007 printf("Could not register read socket\n");
1011 memset(&ifr, 0, sizeof(ifr));
1012 snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%sap", drv->iface);
1013 if (ioctl(drv->pim_sock, SIOCGIFINDEX, &ifr) != 0) {
1014 perror("ioctl(SIOCGIFINDEX)");
1018 memset(&addr, 0, sizeof(addr));
1019 addr.sll_family = AF_PACKET;
1020 addr.sll_ifindex = ifr.ifr_ifindex;
1021 addr.sll_protocol = htons(ETH_P_ALL);
1022 wpa_printf(MSG_DEBUG, "Opening raw packet socket for ifindex %d",
1025 if (bind(drv->pim_sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1034 static void * prism54_driver_init(struct hostapd_data *hapd)
1036 struct prism54_driver_data *drv;
1038 drv = os_zalloc(sizeof(struct prism54_driver_data));
1040 printf("Could not allocate memory for hostapd Prism54 driver "
1046 drv->pim_sock = drv->sock = -1;
1047 memcpy(drv->iface, hapd->conf->iface, sizeof(drv->iface));
1049 if (prism54_init_sockets(drv)) {
1053 prism54_init_1x(drv);
1054 /* must clean previous elems */
1055 prism54_set_generic_elem(drv->iface, drv, NULL, 0);
1061 static void prism54_driver_deinit(void *priv)
1063 struct prism54_driver_data *drv = priv;
1065 if (drv->pim_sock >= 0)
1066 close(drv->pim_sock);
1075 const struct wpa_driver_ops wpa_driver_prism54_ops = {
1077 .init = prism54_driver_init,
1078 .deinit = prism54_driver_deinit,
1079 /* .set_ieee8021x = prism54_init_1x, */
1080 .set_privacy = prism54_set_privacy_invoked,
1081 .set_encryption = prism54_set_encryption,
1082 .get_seqnum = prism54_get_seqnum,
1083 .flush = prism54_flush,
1084 .set_generic_elem = prism54_set_generic_elem,
1085 .send_eapol = prism54_send_eapol,
1086 .sta_set_flags = prism54_sta_set_flags,
1087 .sta_deauth = prism54_sta_deauth,
1088 .sta_disassoc = prism54_sta_disassoc,
1089 .set_ssid = prism54_ioctl_setiwessid,
1090 .get_inact_sec = prism54_get_inact_sec,