1 /*
2 * Wired Ethernet driver interface
3 * Copyright (c) 2005-2009, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2004, Gunter Burchardt <tira@isx.de>
5 *
6 * This software may be distributed under the terms of the BSD license.
7 * See README for more details.
8 */
9
10 #include "includes.h"
11
12 #include "common.h"
13 #include "eloop.h"
14 #include "driver.h"
15
16 #include <sys/ioctl.h>
17 #include <net/if.h>
18 #ifdef __linux__
19 #include <netpacket/packet.h>
20 #include <net/if_arp.h>
21 #include <net/if.h>
22 #endif /* __linux__ */
23 #if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
24 #include <net/if_dl.h>
25 #include <net/if_media.h>
26 #endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__) */
27 #ifdef __sun__
28 #include <sys/sockio.h>
29 #endif /* __sun__ */
30
31 #ifdef _MSC_VER
32 #pragma pack(push, 1)
33 #endif /* _MSC_VER */
34
35 struct ieee8023_hdr {
36 u8 dest[6];
37 u8 src[6];
38 u16 ethertype;
39 } STRUCT_PACKED;
40
41 #ifdef _MSC_VER
42 #pragma pack(pop)
43 #endif /* _MSC_VER */
44
45 static const u8 pae_group_addr[ETH_ALEN] =
46 { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
47
48
49 struct wpa_driver_wired_data {
50 char ifname[IFNAMSIZ + 1];
51 void *ctx;
52
53 int sock; /* raw packet socket for driver access */
54 int dhcp_sock; /* socket for dhcp packets */
55 int use_pae_group_addr;
56
57 int pf_sock;
58 int membership, multi, iff_allmulti, iff_up;
59 };
60
61
62 /* TODO: detecting new devices should eventually be changed from using DHCP
63 * snooping to trigger on any packet from a new layer 2 MAC address, e.g.,
64 * based on ebtables, etc. */
65
66 struct dhcp_message {
67 u_int8_t op;
68 u_int8_t htype;
69 u_int8_t hlen;
70 u_int8_t hops;
71 u_int32_t xid;
72 u_int16_t secs;
73 u_int16_t flags;
74 u_int32_t ciaddr;
75 u_int32_t yiaddr;
76 u_int32_t siaddr;
77 u_int32_t giaddr;
78 u_int8_t chaddr[16];
79 u_int8_t sname[64];
80 u_int8_t file[128];
81 u_int32_t cookie;
82 u_int8_t options[308]; /* 312 - cookie */
83 };
84
85
wired_multicast_membership(int sock,int ifindex,const u8 * addr,int add)86 static int wired_multicast_membership(int sock, int ifindex,
87 const u8 *addr, int add)
88 {
89 #ifdef __linux__
90 struct packet_mreq mreq;
91
92 if (sock < 0)
93 return -1;
94
95 os_memset(&mreq, 0, sizeof(mreq));
96 mreq.mr_ifindex = ifindex;
97 mreq.mr_type = PACKET_MR_MULTICAST;
98 mreq.mr_alen = ETH_ALEN;
99 os_memcpy(mreq.mr_address, addr, ETH_ALEN);
100
101 if (setsockopt(sock, SOL_PACKET,
102 add ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP,
103 &mreq, sizeof(mreq)) < 0) {
104 wpa_printf(MSG_ERROR, "setsockopt: %s", strerror(errno));
105 return -1;
106 }
107 return 0;
108 #else /* __linux__ */
109 return -1;
110 #endif /* __linux__ */
111 }
112
113
114 #ifdef __linux__
handle_data(void * ctx,unsigned char * buf,size_t len)115 static void handle_data(void *ctx, unsigned char *buf, size_t len)
116 {
117 #ifdef HOSTAPD
118 struct ieee8023_hdr *hdr;
119 u8 *pos, *sa;
120 size_t left;
121 union wpa_event_data event;
122
123 /* must contain at least ieee8023_hdr 6 byte source, 6 byte dest,
124 * 2 byte ethertype */
125 if (len < 14) {
126 wpa_printf(MSG_MSGDUMP, "handle_data: too short (%lu)",
127 (unsigned long) len);
128 return;
129 }
130
131 hdr = (struct ieee8023_hdr *) buf;
132
133 switch (ntohs(hdr->ethertype)) {
134 case ETH_P_PAE:
135 wpa_printf(MSG_MSGDUMP, "Received EAPOL packet");
136 sa = hdr->src;
137 os_memset(&event, 0, sizeof(event));
138 event.new_sta.addr = sa;
139 wpa_supplicant_event(ctx, EVENT_NEW_STA, &event);
140
141 pos = (u8 *) (hdr + 1);
142 left = len - sizeof(*hdr);
143 drv_event_eapol_rx(ctx, sa, pos, left);
144 break;
145
146 default:
147 wpa_printf(MSG_DEBUG, "Unknown ethertype 0x%04x in data frame",
148 ntohs(hdr->ethertype));
149 break;
150 }
151 #endif /* HOSTAPD */
152 }
153
154
handle_read(int sock,void * eloop_ctx,void * sock_ctx)155 static void handle_read(int sock, void *eloop_ctx, void *sock_ctx)
156 {
157 int len;
158 unsigned char buf[3000];
159
160 len = recv(sock, buf, sizeof(buf), 0);
161 if (len < 0) {
162 wpa_printf(MSG_ERROR, "recv: %s", strerror(errno));
163 return;
164 }
165
166 handle_data(eloop_ctx, buf, len);
167 }
168
169
handle_dhcp(int sock,void * eloop_ctx,void * sock_ctx)170 static void handle_dhcp(int sock, void *eloop_ctx, void *sock_ctx)
171 {
172 int len;
173 unsigned char buf[3000];
174 struct dhcp_message *msg;
175 u8 *mac_address;
176 union wpa_event_data event;
177
178 len = recv(sock, buf, sizeof(buf), 0);
179 if (len < 0) {
180 wpa_printf(MSG_ERROR, "recv: %s", strerror(errno));
181 return;
182 }
183
184 /* must contain at least dhcp_message->chaddr */
185 if (len < 44) {
186 wpa_printf(MSG_MSGDUMP, "handle_dhcp: too short (%d)", len);
187 return;
188 }
189
190 msg = (struct dhcp_message *) buf;
191 mac_address = (u8 *) &(msg->chaddr);
192
193 wpa_printf(MSG_MSGDUMP, "Got DHCP broadcast packet from " MACSTR,
194 MAC2STR(mac_address));
195
196 os_memset(&event, 0, sizeof(event));
197 event.new_sta.addr = mac_address;
198 wpa_supplicant_event(eloop_ctx, EVENT_NEW_STA, &event);
199 }
200 #endif /* __linux__ */
201
202
wired_init_sockets(struct wpa_driver_wired_data * drv,u8 * own_addr)203 static int wired_init_sockets(struct wpa_driver_wired_data *drv, u8 *own_addr)
204 {
205 #ifdef __linux__
206 struct ifreq ifr;
207 struct sockaddr_ll addr;
208 struct sockaddr_in addr2;
209 int n = 1;
210
211 drv->sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_PAE));
212 if (drv->sock < 0) {
213 wpa_printf(MSG_ERROR, "socket[PF_PACKET,SOCK_RAW]: %s",
214 strerror(errno));
215 return -1;
216 }
217
218 if (eloop_register_read_sock(drv->sock, handle_read, drv->ctx, NULL)) {
219 wpa_printf(MSG_INFO, "Could not register read socket");
220 return -1;
221 }
222
223 os_memset(&ifr, 0, sizeof(ifr));
224 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
225 if (ioctl(drv->sock, SIOCGIFINDEX, &ifr) != 0) {
226 wpa_printf(MSG_ERROR, "ioctl(SIOCGIFINDEX): %s",
227 strerror(errno));
228 return -1;
229 }
230
231 os_memset(&addr, 0, sizeof(addr));
232 addr.sll_family = AF_PACKET;
233 addr.sll_ifindex = ifr.ifr_ifindex;
234 wpa_printf(MSG_DEBUG, "Opening raw packet socket for ifindex %d",
235 addr.sll_ifindex);
236
237 if (bind(drv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
238 wpa_printf(MSG_ERROR, "bind: %s", strerror(errno));
239 return -1;
240 }
241
242 /* filter multicast address */
243 if (wired_multicast_membership(drv->sock, ifr.ifr_ifindex,
244 pae_group_addr, 1) < 0) {
245 wpa_printf(MSG_ERROR, "wired: Failed to add multicast group "
246 "membership");
247 return -1;
248 }
249
250 os_memset(&ifr, 0, sizeof(ifr));
251 os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
252 if (ioctl(drv->sock, SIOCGIFHWADDR, &ifr) != 0) {
253 wpa_printf(MSG_ERROR, "ioctl(SIOCGIFHWADDR): %s",
254 strerror(errno));
255 return -1;
256 }
257
258 if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
259 wpa_printf(MSG_INFO, "Invalid HW-addr family 0x%04x",
260 ifr.ifr_hwaddr.sa_family);
261 return -1;
262 }
263 os_memcpy(own_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
264
265 /* setup dhcp listen socket for sta detection */
266 if ((drv->dhcp_sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
267 wpa_printf(MSG_ERROR, "socket call failed for dhcp: %s",
268 strerror(errno));
269 return -1;
270 }
271
272 if (eloop_register_read_sock(drv->dhcp_sock, handle_dhcp, drv->ctx,
273 NULL)) {
274 wpa_printf(MSG_INFO, "Could not register read socket");
275 return -1;
276 }
277
278 os_memset(&addr2, 0, sizeof(addr2));
279 addr2.sin_family = AF_INET;
280 addr2.sin_port = htons(67);
281 addr2.sin_addr.s_addr = INADDR_ANY;
282
283 if (setsockopt(drv->dhcp_sock, SOL_SOCKET, SO_REUSEADDR, (char *) &n,
284 sizeof(n)) == -1) {
285 wpa_printf(MSG_ERROR, "setsockopt[SOL_SOCKET,SO_REUSEADDR]: %s",
286 strerror(errno));
287 return -1;
288 }
289 if (setsockopt(drv->dhcp_sock, SOL_SOCKET, SO_BROADCAST, (char *) &n,
290 sizeof(n)) == -1) {
291 wpa_printf(MSG_ERROR, "setsockopt[SOL_SOCKET,SO_BROADCAST]: %s",
292 strerror(errno));
293 return -1;
294 }
295
296 os_memset(&ifr, 0, sizeof(ifr));
297 os_strlcpy(ifr.ifr_ifrn.ifrn_name, drv->ifname, IFNAMSIZ);
298 if (setsockopt(drv->dhcp_sock, SOL_SOCKET, SO_BINDTODEVICE,
299 (char *) &ifr, sizeof(ifr)) < 0) {
300 wpa_printf(MSG_ERROR,
301 "setsockopt[SOL_SOCKET,SO_BINDTODEVICE]: %s",
302 strerror(errno));
303 return -1;
304 }
305
306 if (bind(drv->dhcp_sock, (struct sockaddr *) &addr2,
307 sizeof(struct sockaddr)) == -1) {
308 wpa_printf(MSG_ERROR, "bind: %s", strerror(errno));
309 return -1;
310 }
311
312 return 0;
313 #else /* __linux__ */
314 return -1;
315 #endif /* __linux__ */
316 }
317
318
wired_send_eapol(void * priv,const u8 * addr,const u8 * data,size_t data_len,int encrypt,const u8 * own_addr,u32 flags)319 static int wired_send_eapol(void *priv, const u8 *addr,
320 const u8 *data, size_t data_len, int encrypt,
321 const u8 *own_addr, u32 flags)
322 {
323 struct wpa_driver_wired_data *drv = priv;
324 struct ieee8023_hdr *hdr;
325 size_t len;
326 u8 *pos;
327 int res;
328
329 len = sizeof(*hdr) + data_len;
330 hdr = os_zalloc(len);
331 if (hdr == NULL) {
332 wpa_printf(MSG_INFO,
333 "malloc() failed for wired_send_eapol(len=%lu)",
334 (unsigned long) len);
335 return -1;
336 }
337
338 os_memcpy(hdr->dest, drv->use_pae_group_addr ? pae_group_addr : addr,
339 ETH_ALEN);
340 os_memcpy(hdr->src, own_addr, ETH_ALEN);
341 hdr->ethertype = htons(ETH_P_PAE);
342
343 pos = (u8 *) (hdr + 1);
344 os_memcpy(pos, data, data_len);
345
346 res = send(drv->sock, (u8 *) hdr, len, 0);
347 os_free(hdr);
348
349 if (res < 0) {
350 wpa_printf(MSG_ERROR,
351 "wired_send_eapol - packet len: %lu - failed: send: %s",
352 (unsigned long) len, strerror(errno));
353 }
354
355 return res;
356 }
357
358
wired_driver_hapd_init(struct hostapd_data * hapd,struct wpa_init_params * params)359 static void * wired_driver_hapd_init(struct hostapd_data *hapd,
360 struct wpa_init_params *params)
361 {
362 struct wpa_driver_wired_data *drv;
363
364 drv = os_zalloc(sizeof(struct wpa_driver_wired_data));
365 if (drv == NULL) {
366 wpa_printf(MSG_INFO,
367 "Could not allocate memory for wired driver data");
368 return NULL;
369 }
370
371 drv->ctx = hapd;
372 os_strlcpy(drv->ifname, params->ifname, sizeof(drv->ifname));
373 drv->use_pae_group_addr = params->use_pae_group_addr;
374
375 if (wired_init_sockets(drv, params->own_addr)) {
376 os_free(drv);
377 return NULL;
378 }
379
380 return drv;
381 }
382
383
wired_driver_hapd_deinit(void * priv)384 static void wired_driver_hapd_deinit(void *priv)
385 {
386 struct wpa_driver_wired_data *drv = priv;
387
388 if (drv->sock >= 0) {
389 eloop_unregister_read_sock(drv->sock);
390 close(drv->sock);
391 }
392
393 if (drv->dhcp_sock >= 0) {
394 eloop_unregister_read_sock(drv->dhcp_sock);
395 close(drv->dhcp_sock);
396 }
397
398 os_free(drv);
399 }
400
401
wpa_driver_wired_get_ssid(void * priv,u8 * ssid)402 static int wpa_driver_wired_get_ssid(void *priv, u8 *ssid)
403 {
404 ssid[0] = 0;
405 return 0;
406 }
407
408
wpa_driver_wired_get_bssid(void * priv,u8 * bssid)409 static int wpa_driver_wired_get_bssid(void *priv, u8 *bssid)
410 {
411 /* Report PAE group address as the "BSSID" for wired connection. */
412 os_memcpy(bssid, pae_group_addr, ETH_ALEN);
413 return 0;
414 }
415
416
wpa_driver_wired_get_capa(void * priv,struct wpa_driver_capa * capa)417 static int wpa_driver_wired_get_capa(void *priv, struct wpa_driver_capa *capa)
418 {
419 os_memset(capa, 0, sizeof(*capa));
420 capa->flags = WPA_DRIVER_FLAGS_WIRED;
421 return 0;
422 }
423
424
wpa_driver_wired_get_ifflags(const char * ifname,int * flags)425 static int wpa_driver_wired_get_ifflags(const char *ifname, int *flags)
426 {
427 struct ifreq ifr;
428 int s;
429
430 s = socket(PF_INET, SOCK_DGRAM, 0);
431 if (s < 0) {
432 wpa_printf(MSG_ERROR, "socket: %s", strerror(errno));
433 return -1;
434 }
435
436 os_memset(&ifr, 0, sizeof(ifr));
437 os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
438 if (ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
439 wpa_printf(MSG_ERROR, "ioctl[SIOCGIFFLAGS]: %s",
440 strerror(errno));
441 close(s);
442 return -1;
443 }
444 close(s);
445 *flags = ifr.ifr_flags & 0xffff;
446 return 0;
447 }
448
449
wpa_driver_wired_set_ifflags(const char * ifname,int flags)450 static int wpa_driver_wired_set_ifflags(const char *ifname, int flags)
451 {
452 struct ifreq ifr;
453 int s;
454
455 s = socket(PF_INET, SOCK_DGRAM, 0);
456 if (s < 0) {
457 wpa_printf(MSG_ERROR, "socket: %s", strerror(errno));
458 return -1;
459 }
460
461 os_memset(&ifr, 0, sizeof(ifr));
462 os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
463 ifr.ifr_flags = flags & 0xffff;
464 if (ioctl(s, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
465 wpa_printf(MSG_ERROR, "ioctl[SIOCSIFFLAGS]: %s",
466 strerror(errno));
467 close(s);
468 return -1;
469 }
470 close(s);
471 return 0;
472 }
473
474
475 #if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
wpa_driver_wired_get_ifstatus(const char * ifname,int * status)476 static int wpa_driver_wired_get_ifstatus(const char *ifname, int *status)
477 {
478 struct ifmediareq ifmr;
479 int s;
480
481 s = socket(PF_INET, SOCK_DGRAM, 0);
482 if (s < 0) {
483 wpa_printf(MSG_ERROR, "socket: %s", strerror(errno));
484 return -1;
485 }
486
487 os_memset(&ifmr, 0, sizeof(ifmr));
488 os_strlcpy(ifmr.ifm_name, ifname, IFNAMSIZ);
489 if (ioctl(s, SIOCGIFMEDIA, (caddr_t) &ifmr) < 0) {
490 wpa_printf(MSG_ERROR, "ioctl[SIOCGIFMEDIA]: %s",
491 strerror(errno));
492 close(s);
493 return -1;
494 }
495 close(s);
496 *status = (ifmr.ifm_status & (IFM_ACTIVE | IFM_AVALID)) ==
497 (IFM_ACTIVE | IFM_AVALID);
498
499 return 0;
500 }
501 #endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
502
503
wpa_driver_wired_multi(const char * ifname,const u8 * addr,int add)504 static int wpa_driver_wired_multi(const char *ifname, const u8 *addr, int add)
505 {
506 struct ifreq ifr;
507 int s;
508
509 #ifdef __sun__
510 return -1;
511 #endif /* __sun__ */
512
513 s = socket(PF_INET, SOCK_DGRAM, 0);
514 if (s < 0) {
515 wpa_printf(MSG_ERROR, "socket: %s", strerror(errno));
516 return -1;
517 }
518
519 os_memset(&ifr, 0, sizeof(ifr));
520 os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
521 #ifdef __linux__
522 ifr.ifr_hwaddr.sa_family = AF_UNSPEC;
523 os_memcpy(ifr.ifr_hwaddr.sa_data, addr, ETH_ALEN);
524 #endif /* __linux__ */
525 #if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
526 {
527 struct sockaddr_dl *dlp;
528 dlp = (struct sockaddr_dl *) &ifr.ifr_addr;
529 dlp->sdl_len = sizeof(struct sockaddr_dl);
530 dlp->sdl_family = AF_LINK;
531 dlp->sdl_index = 0;
532 dlp->sdl_nlen = 0;
533 dlp->sdl_alen = ETH_ALEN;
534 dlp->sdl_slen = 0;
535 os_memcpy(LLADDR(dlp), addr, ETH_ALEN);
536 }
537 #endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
538 #if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
539 {
540 struct sockaddr *sap;
541 sap = (struct sockaddr *) &ifr.ifr_addr;
542 sap->sa_len = sizeof(struct sockaddr);
543 sap->sa_family = AF_UNSPEC;
544 os_memcpy(sap->sa_data, addr, ETH_ALEN);
545 }
546 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) */
547
548 if (ioctl(s, add ? SIOCADDMULTI : SIOCDELMULTI, (caddr_t) &ifr) < 0) {
549 wpa_printf(MSG_ERROR, "ioctl[SIOC{ADD/DEL}MULTI]: %s",
550 strerror(errno));
551 close(s);
552 return -1;
553 }
554 close(s);
555 return 0;
556 }
557
558
wpa_driver_wired_init(void * ctx,const char * ifname)559 static void * wpa_driver_wired_init(void *ctx, const char *ifname)
560 {
561 struct wpa_driver_wired_data *drv;
562 int flags;
563
564 drv = os_zalloc(sizeof(*drv));
565 if (drv == NULL)
566 return NULL;
567 os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
568 drv->ctx = ctx;
569
570 #ifdef __linux__
571 drv->pf_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
572 if (drv->pf_sock < 0)
573 wpa_printf(MSG_ERROR, "socket(PF_PACKET): %s", strerror(errno));
574 #else /* __linux__ */
575 drv->pf_sock = -1;
576 #endif /* __linux__ */
577
578 if (wpa_driver_wired_get_ifflags(ifname, &flags) == 0 &&
579 !(flags & IFF_UP) &&
580 wpa_driver_wired_set_ifflags(ifname, flags | IFF_UP) == 0) {
581 drv->iff_up = 1;
582 }
583
584 if (wired_multicast_membership(drv->pf_sock,
585 if_nametoindex(drv->ifname),
586 pae_group_addr, 1) == 0) {
587 wpa_printf(MSG_DEBUG, "%s: Added multicast membership with "
588 "packet socket", __func__);
589 drv->membership = 1;
590 } else if (wpa_driver_wired_multi(ifname, pae_group_addr, 1) == 0) {
591 wpa_printf(MSG_DEBUG, "%s: Added multicast membership with "
592 "SIOCADDMULTI", __func__);
593 drv->multi = 1;
594 } else if (wpa_driver_wired_get_ifflags(ifname, &flags) < 0) {
595 wpa_printf(MSG_INFO, "%s: Could not get interface "
596 "flags", __func__);
597 os_free(drv);
598 return NULL;
599 } else if (flags & IFF_ALLMULTI) {
600 wpa_printf(MSG_DEBUG, "%s: Interface is already configured "
601 "for multicast", __func__);
602 } else if (wpa_driver_wired_set_ifflags(ifname,
603 flags | IFF_ALLMULTI) < 0) {
604 wpa_printf(MSG_INFO, "%s: Failed to enable allmulti",
605 __func__);
606 os_free(drv);
607 return NULL;
608 } else {
609 wpa_printf(MSG_DEBUG, "%s: Enabled allmulti mode",
610 __func__);
611 drv->iff_allmulti = 1;
612 }
613 #if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
614 {
615 int status;
616 wpa_printf(MSG_DEBUG, "%s: waiting for link to become active",
617 __func__);
618 while (wpa_driver_wired_get_ifstatus(ifname, &status) == 0 &&
619 status == 0)
620 sleep(1);
621 }
622 #endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
623
624 return drv;
625 }
626
627
wpa_driver_wired_deinit(void * priv)628 static void wpa_driver_wired_deinit(void *priv)
629 {
630 struct wpa_driver_wired_data *drv = priv;
631 int flags;
632
633 if (drv->membership &&
634 wired_multicast_membership(drv->pf_sock,
635 if_nametoindex(drv->ifname),
636 pae_group_addr, 0) < 0) {
637 wpa_printf(MSG_DEBUG, "%s: Failed to remove PAE multicast "
638 "group (PACKET)", __func__);
639 }
640
641 if (drv->multi &&
642 wpa_driver_wired_multi(drv->ifname, pae_group_addr, 0) < 0) {
643 wpa_printf(MSG_DEBUG, "%s: Failed to remove PAE multicast "
644 "group (SIOCDELMULTI)", __func__);
645 }
646
647 if (drv->iff_allmulti &&
648 (wpa_driver_wired_get_ifflags(drv->ifname, &flags) < 0 ||
649 wpa_driver_wired_set_ifflags(drv->ifname,
650 flags & ~IFF_ALLMULTI) < 0)) {
651 wpa_printf(MSG_DEBUG, "%s: Failed to disable allmulti mode",
652 __func__);
653 }
654
655 if (drv->iff_up &&
656 wpa_driver_wired_get_ifflags(drv->ifname, &flags) == 0 &&
657 (flags & IFF_UP) &&
658 wpa_driver_wired_set_ifflags(drv->ifname, flags & ~IFF_UP) < 0) {
659 wpa_printf(MSG_DEBUG, "%s: Failed to set the interface down",
660 __func__);
661 }
662
663 if (drv->pf_sock != -1)
664 close(drv->pf_sock);
665
666 os_free(drv);
667 }
668
669
670 const struct wpa_driver_ops wpa_driver_wired_ops = {
671 .name = "wired",
672 .desc = "Wired Ethernet driver",
673 .hapd_init = wired_driver_hapd_init,
674 .hapd_deinit = wired_driver_hapd_deinit,
675 .hapd_send_eapol = wired_send_eapol,
676 .get_ssid = wpa_driver_wired_get_ssid,
677 .get_bssid = wpa_driver_wired_get_bssid,
678 .get_capa = wpa_driver_wired_get_capa,
679 .init = wpa_driver_wired_init,
680 .deinit = wpa_driver_wired_deinit,
681 };
682