]>
Commit | Line | Data |
---|---|---|
6fc6879b JM |
1 | /* |
2 | * WPA Supplicant - driver interaction with BSD net80211 layer | |
3 | * Copyright (c) 2004, Sam Leffler <sam@errno.com> | |
c5121837 | 4 | * Copyright (c) 2004, 2Wire, Inc |
6fc6879b | 5 | * |
d001defe JM |
6 | * This software may be distributed under the terms of the BSD license. |
7 | * See README for more details. | |
6fc6879b JM |
8 | */ |
9 | ||
10 | #include "includes.h" | |
11 | #include <sys/ioctl.h> | |
28878f8b | 12 | #include <sys/sysctl.h> |
6fc6879b JM |
13 | |
14 | #include "common.h" | |
15 | #include "driver.h" | |
16 | #include "eloop.h" | |
90973fb2 | 17 | #include "common/ieee802_11_defs.h" |
9f2951d2 | 18 | #include "common/wpa_common.h" |
6fc6879b JM |
19 | |
20 | #include <net/if.h> | |
5197244a | 21 | #include <net/if_media.h> |
898d6921 JR |
22 | |
23 | #ifdef __NetBSD__ | |
24 | #include <net/if_ether.h> | |
898d6921 | 25 | #else |
6fc6879b | 26 | #include <net/ethernet.h> |
898d6921 | 27 | #endif |
131289d8 | 28 | #include <net/route.h> |
6fc6879b | 29 | |
9b336bce MH |
30 | #ifdef __DragonFly__ |
31 | #include <netproto/802_11/ieee80211_ioctl.h> | |
32 | #include <netproto/802_11/ieee80211_dragonfly.h> | |
33 | #else /* __DragonFly__ */ | |
09bd6e8c KM |
34 | #ifdef __GLIBC__ |
35 | #include <netinet/ether.h> | |
36 | #endif /* __GLIBC__ */ | |
6fc6879b | 37 | #include <net80211/ieee80211.h> |
6fc6879b | 38 | #include <net80211/ieee80211_ioctl.h> |
c610dba1 | 39 | #include <net80211/ieee80211_crypto.h> |
09bd6e8c KM |
40 | #endif /* __DragonFly__ || __GLIBC__ */ |
41 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) | |
131289d8 MH |
42 | #include <net80211/ieee80211_freebsd.h> |
43 | #endif | |
44 | #if __NetBSD__ | |
45 | #include <net80211/ieee80211_netbsd.h> | |
46 | #endif | |
47 | ||
42f34a9b MH |
48 | #include "l2_packet/l2_packet.h" |
49 | ||
86b24ea9 MH |
50 | struct bsd_driver_data { |
51 | struct hostapd_data *hapd; /* back pointer */ | |
52 | ||
53 | int sock; /* open socket for 802.11 ioctls */ | |
54 | struct l2_packet_data *sock_xmit;/* raw packet xmit socket */ | |
55 | int route; /* routing socket for events */ | |
56 | char ifname[IFNAMSIZ+1]; /* interface name */ | |
57 | unsigned int ifindex; /* interface index */ | |
58 | void *ctx; | |
59 | struct wpa_driver_capa capa; /* driver capability */ | |
60 | int is_ap; /* Access point mode */ | |
61 | int prev_roaming; /* roaming state to restore on deinit */ | |
62 | int prev_privacy; /* privacy state to restore on deinit */ | |
63 | int prev_wpa; /* wpa state to restore on deinit */ | |
5dd82c63 | 64 | enum ieee80211_opmode opmode; /* operation mode */ |
86b24ea9 MH |
65 | }; |
66 | ||
66d4085f RM |
67 | /* Generic functions for hostapd and wpa_supplicant */ |
68 | ||
5dd82c63 RP |
69 | static enum ieee80211_opmode |
70 | get80211opmode(struct bsd_driver_data *drv) | |
71 | { | |
72 | struct ifmediareq ifmr; | |
73 | ||
74 | (void) memset(&ifmr, 0, sizeof(ifmr)); | |
75 | (void) strncpy(ifmr.ifm_name, drv->ifname, sizeof(ifmr.ifm_name)); | |
76 | ||
77 | if (ioctl(drv->sock, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0) { | |
78 | if (ifmr.ifm_current & IFM_IEEE80211_ADHOC) { | |
79 | if (ifmr.ifm_current & IFM_FLAG0) | |
80 | return IEEE80211_M_AHDEMO; | |
81 | else | |
82 | return IEEE80211_M_IBSS; | |
83 | } | |
84 | if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP) | |
85 | return IEEE80211_M_HOSTAP; | |
86 | if (ifmr.ifm_current & IFM_IEEE80211_MONITOR) | |
87 | return IEEE80211_M_MONITOR; | |
88 | if (ifmr.ifm_current & IFM_IEEE80211_MBSS) | |
89 | return IEEE80211_M_MBSS; | |
90 | } | |
91 | return IEEE80211_M_STA; | |
92 | } | |
93 | ||
94 | ||
66d4085f | 95 | static int |
0c6bdf91 | 96 | bsd_set80211(void *priv, int op, int val, const void *arg, int arg_len) |
66d4085f | 97 | { |
0c6bdf91 | 98 | struct bsd_driver_data *drv = priv; |
66d4085f RM |
99 | struct ieee80211req ireq; |
100 | ||
101 | os_memset(&ireq, 0, sizeof(ireq)); | |
0c6bdf91 | 102 | os_strlcpy(ireq.i_name, drv->ifname, sizeof(ireq.i_name)); |
66d4085f | 103 | ireq.i_type = op; |
0c6bdf91 | 104 | ireq.i_val = val; |
66d4085f | 105 | ireq.i_data = (void *) arg; |
0c6bdf91 | 106 | ireq.i_len = arg_len; |
66d4085f | 107 | |
0c6bdf91 MH |
108 | if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) { |
109 | wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, val=%u, " | |
110 | "arg_len=%u]: %s", op, val, arg_len, | |
111 | strerror(errno)); | |
66d4085f RM |
112 | return -1; |
113 | } | |
114 | return 0; | |
115 | } | |
116 | ||
117 | static int | |
0c6bdf91 MH |
118 | bsd_get80211(void *priv, struct ieee80211req *ireq, int op, void *arg, |
119 | int arg_len) | |
66d4085f | 120 | { |
0c6bdf91 | 121 | struct bsd_driver_data *drv = priv; |
66d4085f | 122 | |
0c6bdf91 MH |
123 | os_memset(ireq, 0, sizeof(*ireq)); |
124 | os_strlcpy(ireq->i_name, drv->ifname, sizeof(ireq->i_name)); | |
125 | ireq->i_type = op; | |
126 | ireq->i_len = arg_len; | |
127 | ireq->i_data = arg; | |
66d4085f | 128 | |
0c6bdf91 MH |
129 | if (ioctl(drv->sock, SIOCG80211, ireq) < 0) { |
130 | wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, " | |
131 | "arg_len=%u]: %s", op, arg_len, strerror(errno)); | |
66d4085f RM |
132 | return -1; |
133 | } | |
0c6bdf91 | 134 | return 0; |
66d4085f RM |
135 | } |
136 | ||
137 | static int | |
0c6bdf91 | 138 | get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len) |
66d4085f RM |
139 | { |
140 | struct ieee80211req ireq; | |
141 | ||
0c6bdf91 | 142 | if (bsd_get80211(drv, &ireq, op, arg, arg_len) < 0) |
66d4085f | 143 | return -1; |
0c6bdf91 | 144 | return ireq.i_len; |
e1b1309b MH |
145 | } |
146 | ||
147 | static int | |
148 | set80211var(struct bsd_driver_data *drv, int op, const void *arg, int arg_len) | |
66d4085f | 149 | { |
0c6bdf91 | 150 | return bsd_set80211(drv, op, 0, arg, arg_len); |
e1b1309b MH |
151 | } |
152 | ||
153 | static int | |
154 | set80211param(struct bsd_driver_data *drv, int op, int arg) | |
155 | { | |
0c6bdf91 | 156 | return bsd_set80211(drv, op, arg, NULL, 0); |
e1b1309b MH |
157 | } |
158 | ||
159 | static int | |
8709de1a | 160 | bsd_get_ssid(void *priv, u8 *ssid, int len) |
e1b1309b MH |
161 | { |
162 | struct bsd_driver_data *drv = priv; | |
66d4085f RM |
163 | #ifdef SIOCG80211NWID |
164 | struct ieee80211_nwid nwid; | |
165 | struct ifreq ifr; | |
166 | ||
167 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 168 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
66d4085f | 169 | ifr.ifr_data = (void *)&nwid; |
e1b1309b | 170 | if (ioctl(drv->sock, SIOCG80211NWID, &ifr) < 0 || |
66d4085f RM |
171 | nwid.i_len > IEEE80211_NWID_LEN) |
172 | return -1; | |
173 | os_memcpy(ssid, nwid.i_nwid, nwid.i_len); | |
174 | return nwid.i_len; | |
175 | #else | |
e1b1309b | 176 | return get80211var(drv, IEEE80211_IOC_SSID, ssid, IEEE80211_NWID_LEN); |
66d4085f RM |
177 | #endif |
178 | } | |
179 | ||
180 | static int | |
8709de1a | 181 | bsd_set_ssid(void *priv, const u8 *ssid, int ssid_len) |
66d4085f | 182 | { |
e1b1309b | 183 | struct bsd_driver_data *drv = priv; |
66d4085f RM |
184 | #ifdef SIOCS80211NWID |
185 | struct ieee80211_nwid nwid; | |
186 | struct ifreq ifr; | |
187 | ||
188 | os_memcpy(nwid.i_nwid, ssid, ssid_len); | |
189 | nwid.i_len = ssid_len; | |
190 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 191 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
66d4085f | 192 | ifr.ifr_data = (void *)&nwid; |
e1b1309b | 193 | return ioctl(drv->sock, SIOCS80211NWID, &ifr); |
66d4085f | 194 | #else |
e1b1309b | 195 | return set80211var(drv, IEEE80211_IOC_SSID, ssid, ssid_len); |
66d4085f RM |
196 | #endif |
197 | } | |
198 | ||
5197244a | 199 | static int |
e1b1309b | 200 | bsd_get_if_media(void *priv) |
5197244a | 201 | { |
e1b1309b | 202 | struct bsd_driver_data *drv = priv; |
5197244a MH |
203 | struct ifmediareq ifmr; |
204 | ||
205 | os_memset(&ifmr, 0, sizeof(ifmr)); | |
e1b1309b | 206 | os_strlcpy(ifmr.ifm_name, drv->ifname, sizeof(ifmr.ifm_name)); |
5197244a | 207 | |
e1b1309b | 208 | if (ioctl(drv->sock, SIOCGIFMEDIA, &ifmr) < 0) { |
5197244a MH |
209 | wpa_printf(MSG_ERROR, "%s: SIOCGIFMEDIA %s", __func__, |
210 | strerror(errno)); | |
211 | return -1; | |
212 | } | |
213 | ||
214 | return ifmr.ifm_current; | |
215 | } | |
216 | ||
217 | static int | |
e1b1309b | 218 | bsd_set_if_media(void *priv, int media) |
5197244a | 219 | { |
e1b1309b | 220 | struct bsd_driver_data *drv = priv; |
5197244a MH |
221 | struct ifreq ifr; |
222 | ||
223 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 224 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
5197244a MH |
225 | ifr.ifr_media = media; |
226 | ||
e1b1309b | 227 | if (ioctl(drv->sock, SIOCSIFMEDIA, &ifr) < 0) { |
5197244a MH |
228 | wpa_printf(MSG_ERROR, "%s: SIOCSIFMEDIA %s", __func__, |
229 | strerror(errno)); | |
230 | return -1; | |
231 | } | |
232 | ||
233 | return 0; | |
234 | } | |
235 | ||
236 | static int | |
e1b1309b | 237 | bsd_set_mediaopt(void *priv, uint32_t mask, uint32_t mode) |
5197244a | 238 | { |
e1b1309b | 239 | int media = bsd_get_if_media(priv); |
5197244a MH |
240 | |
241 | if (media < 0) | |
242 | return -1; | |
243 | media &= ~mask; | |
244 | media |= mode; | |
e1b1309b | 245 | if (bsd_set_if_media(priv, media) < 0) |
5197244a MH |
246 | return -1; |
247 | return 0; | |
248 | } | |
249 | ||
cbdecd2b | 250 | static int |
e1b1309b | 251 | bsd_del_key(void *priv, const u8 *addr, int key_idx) |
cbdecd2b MH |
252 | { |
253 | struct ieee80211req_del_key wk; | |
254 | ||
255 | os_memset(&wk, 0, sizeof(wk)); | |
256 | if (addr == NULL) { | |
257 | wpa_printf(MSG_DEBUG, "%s: key_idx=%d", __func__, key_idx); | |
258 | wk.idk_keyix = key_idx; | |
259 | } else { | |
260 | wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, | |
261 | MAC2STR(addr)); | |
262 | os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN); | |
263 | wk.idk_keyix = (u_int8_t) IEEE80211_KEYIX_NONE; /* XXX */ | |
264 | } | |
265 | ||
e1b1309b | 266 | return set80211var(priv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk)); |
cbdecd2b MH |
267 | } |
268 | ||
fa6b8afe | 269 | static int |
e1b1309b | 270 | bsd_send_mlme_param(void *priv, const u8 op, const u16 reason, const u8 *addr) |
fa6b8afe MH |
271 | { |
272 | struct ieee80211req_mlme mlme; | |
273 | ||
274 | os_memset(&mlme, 0, sizeof(mlme)); | |
275 | mlme.im_op = op; | |
276 | mlme.im_reason = reason; | |
277 | os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); | |
e1b1309b | 278 | return set80211var(priv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)); |
fa6b8afe MH |
279 | } |
280 | ||
60bc3033 | 281 | static int |
e1b1309b | 282 | bsd_ctrl_iface(void *priv, int enable) |
60bc3033 | 283 | { |
e1b1309b | 284 | struct bsd_driver_data *drv = priv; |
60bc3033 MH |
285 | struct ifreq ifr; |
286 | ||
287 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 288 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
60bc3033 | 289 | |
e1b1309b | 290 | if (ioctl(drv->sock, SIOCGIFFLAGS, &ifr) < 0) { |
60bc3033 MH |
291 | perror("ioctl[SIOCGIFFLAGS]"); |
292 | return -1; | |
293 | } | |
294 | ||
cb76af8a RP |
295 | if (enable) { |
296 | if (ifr.ifr_flags & IFF_UP) | |
297 | return 0; | |
60bc3033 | 298 | ifr.ifr_flags |= IFF_UP; |
cb76af8a RP |
299 | } else { |
300 | if (!(ifr.ifr_flags & IFF_UP)) | |
301 | return 0; | |
60bc3033 | 302 | ifr.ifr_flags &= ~IFF_UP; |
cb76af8a | 303 | } |
60bc3033 | 304 | |
e1b1309b | 305 | if (ioctl(drv->sock, SIOCSIFFLAGS, &ifr) < 0) { |
60bc3033 MH |
306 | perror("ioctl[SIOCSIFFLAGS]"); |
307 | return -1; | |
308 | } | |
309 | ||
310 | return 0; | |
311 | } | |
312 | ||
719196b1 | 313 | static int |
e1b1309b | 314 | bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg, |
719196b1 MH |
315 | const unsigned char *addr, int key_idx, int set_tx, const u8 *seq, |
316 | size_t seq_len, const u8 *key, size_t key_len) | |
317 | { | |
318 | struct ieee80211req_key wk; | |
5dd82c63 | 319 | struct bsd_driver_data *drv = priv; |
719196b1 MH |
320 | |
321 | wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%p key_idx=%d set_tx=%d " | |
322 | "seq_len=%zu key_len=%zu", __func__, alg, addr, key_idx, | |
323 | set_tx, seq_len, key_len); | |
324 | ||
e1b1309b MH |
325 | if (alg == WPA_ALG_NONE) { |
326 | #ifndef HOSTAPD | |
0382097e | 327 | if (addr == NULL || is_broadcast_ether_addr(addr)) |
e1b1309b MH |
328 | return bsd_del_key(priv, NULL, key_idx); |
329 | else | |
330 | #endif /* HOSTAPD */ | |
331 | return bsd_del_key(priv, addr, key_idx); | |
332 | } | |
333 | ||
719196b1 MH |
334 | os_memset(&wk, 0, sizeof(wk)); |
335 | switch (alg) { | |
336 | case WPA_ALG_WEP: | |
337 | wk.ik_type = IEEE80211_CIPHER_WEP; | |
338 | break; | |
339 | case WPA_ALG_TKIP: | |
340 | wk.ik_type = IEEE80211_CIPHER_TKIP; | |
341 | break; | |
342 | case WPA_ALG_CCMP: | |
343 | wk.ik_type = IEEE80211_CIPHER_AES_CCM; | |
344 | break; | |
345 | default: | |
346 | wpa_printf(MSG_ERROR, "%s: unknown alg=%d", __func__, alg); | |
347 | return -1; | |
348 | } | |
349 | ||
350 | wk.ik_flags = IEEE80211_KEY_RECV; | |
351 | if (set_tx) | |
352 | wk.ik_flags |= IEEE80211_KEY_XMIT; | |
353 | ||
354 | if (addr == NULL) { | |
355 | os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); | |
356 | wk.ik_keyix = key_idx; | |
357 | } else { | |
358 | os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); | |
359 | /* | |
360 | * Deduce whether group/global or unicast key by checking | |
361 | * the address (yech). Note also that we can only mark global | |
362 | * keys default; doing this for a unicast key is an error. | |
363 | */ | |
0382097e | 364 | if (is_broadcast_ether_addr(addr)) { |
719196b1 MH |
365 | wk.ik_flags |= IEEE80211_KEY_GROUP; |
366 | wk.ik_keyix = key_idx; | |
367 | } else { | |
368 | wk.ik_keyix = key_idx == 0 ? IEEE80211_KEYIX_NONE : | |
369 | key_idx; | |
370 | } | |
371 | } | |
372 | if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx) | |
373 | wk.ik_flags |= IEEE80211_KEY_DEFAULT; | |
5dd82c63 RP |
374 | #ifndef HOSTAPD |
375 | /* | |
376 | * Ignore replay failures in IBSS and AHDEMO mode. | |
377 | */ | |
378 | if (drv->opmode == IEEE80211_M_IBSS || | |
379 | drv->opmode == IEEE80211_M_AHDEMO) | |
380 | wk.ik_flags |= IEEE80211_KEY_NOREPLAY; | |
381 | #endif /* HOSTAPD */ | |
719196b1 | 382 | wk.ik_keylen = key_len; |
c3b0a1c8 ZY |
383 | if (seq) { |
384 | #ifdef WORDS_BIGENDIAN | |
385 | /* | |
386 | * wk.ik_keyrsc is in host byte order (big endian), need to | |
387 | * swap it to match with the byte order used in WPA. | |
388 | */ | |
389 | int i; | |
390 | u8 *keyrsc = (u8 *) &wk.ik_keyrsc; | |
391 | for (i = 0; i < seq_len; i++) | |
392 | keyrsc[WPA_KEY_RSC_LEN - i - 1] = seq[i]; | |
393 | #else /* WORDS_BIGENDIAN */ | |
da64c266 | 394 | os_memcpy(&wk.ik_keyrsc, seq, seq_len); |
c3b0a1c8 ZY |
395 | #endif /* WORDS_BIGENDIAN */ |
396 | } | |
719196b1 MH |
397 | os_memcpy(wk.ik_keydata, key, key_len); |
398 | ||
e1b1309b | 399 | return set80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)); |
719196b1 MH |
400 | } |
401 | ||
c5121837 | 402 | static int |
e1b1309b | 403 | bsd_configure_wpa(void *priv, struct wpa_bss_params *params) |
c5121837 | 404 | { |
88487b0e | 405 | #ifndef IEEE80211_IOC_APPIE |
c5121837 JM |
406 | static const char *ciphernames[] = |
407 | { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" }; | |
c5121837 JM |
408 | int v; |
409 | ||
af586419 | 410 | switch (params->wpa_group) { |
c5121837 JM |
411 | case WPA_CIPHER_CCMP: |
412 | v = IEEE80211_CIPHER_AES_CCM; | |
413 | break; | |
414 | case WPA_CIPHER_TKIP: | |
415 | v = IEEE80211_CIPHER_TKIP; | |
416 | break; | |
417 | case WPA_CIPHER_WEP104: | |
418 | v = IEEE80211_CIPHER_WEP; | |
419 | break; | |
420 | case WPA_CIPHER_WEP40: | |
421 | v = IEEE80211_CIPHER_WEP; | |
422 | break; | |
423 | case WPA_CIPHER_NONE: | |
424 | v = IEEE80211_CIPHER_NONE; | |
425 | break; | |
426 | default: | |
427 | printf("Unknown group key cipher %u\n", | |
af586419 | 428 | params->wpa_group); |
c5121837 JM |
429 | return -1; |
430 | } | |
431 | wpa_printf(MSG_DEBUG, "%s: group key cipher=%s (%u)", | |
432 | __func__, ciphernames[v], v); | |
e1b1309b | 433 | if (set80211param(priv, IEEE80211_IOC_MCASTCIPHER, v)) { |
c5121837 JM |
434 | printf("Unable to set group key cipher to %u (%s)\n", |
435 | v, ciphernames[v]); | |
436 | return -1; | |
437 | } | |
438 | if (v == IEEE80211_CIPHER_WEP) { | |
439 | /* key length is done only for specific ciphers */ | |
af586419 | 440 | v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5); |
e1b1309b | 441 | if (set80211param(priv, IEEE80211_IOC_MCASTKEYLEN, v)) { |
c5121837 JM |
442 | printf("Unable to set group key length to %u\n", v); |
443 | return -1; | |
444 | } | |
445 | } | |
446 | ||
447 | v = 0; | |
af586419 | 448 | if (params->wpa_pairwise & WPA_CIPHER_CCMP) |
c5121837 | 449 | v |= 1<<IEEE80211_CIPHER_AES_CCM; |
af586419 | 450 | if (params->wpa_pairwise & WPA_CIPHER_TKIP) |
c5121837 | 451 | v |= 1<<IEEE80211_CIPHER_TKIP; |
af586419 | 452 | if (params->wpa_pairwise & WPA_CIPHER_NONE) |
c5121837 JM |
453 | v |= 1<<IEEE80211_CIPHER_NONE; |
454 | wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v); | |
e1b1309b | 455 | if (set80211param(priv, IEEE80211_IOC_UCASTCIPHERS, v)) { |
c5121837 JM |
456 | printf("Unable to set pairwise key ciphers to 0x%x\n", v); |
457 | return -1; | |
458 | } | |
459 | ||
460 | wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x", | |
af586419 | 461 | __func__, params->wpa_key_mgmt); |
e1b1309b MH |
462 | if (set80211param(priv, IEEE80211_IOC_KEYMGTALGS, |
463 | params->wpa_key_mgmt)) { | |
c5121837 | 464 | printf("Unable to set key management algorithms to 0x%x\n", |
af586419 | 465 | params->wpa_key_mgmt); |
c5121837 JM |
466 | return -1; |
467 | } | |
468 | ||
469 | v = 0; | |
af586419 | 470 | if (params->rsn_preauth) |
c5121837 JM |
471 | v |= BIT(0); |
472 | wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x", | |
af586419 | 473 | __func__, params->rsn_preauth); |
e1b1309b | 474 | if (set80211param(priv, IEEE80211_IOC_RSNCAPS, v)) { |
c5121837 JM |
475 | printf("Unable to set RSN capabilities to 0x%x\n", v); |
476 | return -1; | |
477 | } | |
88487b0e | 478 | #endif /* IEEE80211_IOC_APPIE */ |
c5121837 | 479 | |
af586419 | 480 | wpa_printf(MSG_DEBUG, "%s: enable WPA= 0x%x", __func__, params->wpa); |
e1b1309b | 481 | if (set80211param(priv, IEEE80211_IOC_WPA, params->wpa)) { |
af586419 | 482 | printf("Unable to set WPA to %u\n", params->wpa); |
c5121837 JM |
483 | return -1; |
484 | } | |
485 | return 0; | |
486 | } | |
487 | ||
c5121837 | 488 | static int |
e1b1309b | 489 | bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params) |
c5121837 | 490 | { |
af586419 | 491 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled); |
c5121837 | 492 | |
af586419 | 493 | if (!params->enabled) { |
c5121837 | 494 | /* XXX restore state */ |
e1b1309b MH |
495 | return set80211param(priv, IEEE80211_IOC_AUTHMODE, |
496 | IEEE80211_AUTH_AUTO); | |
c5121837 | 497 | } |
af586419 | 498 | if (!params->wpa && !params->ieee802_1x) { |
42f34a9b MH |
499 | wpa_printf(MSG_ERROR, "%s: No 802.1X or WPA enabled", |
500 | __func__); | |
c5121837 JM |
501 | return -1; |
502 | } | |
e1b1309b | 503 | if (params->wpa && bsd_configure_wpa(priv, params) != 0) { |
42f34a9b MH |
504 | wpa_printf(MSG_ERROR, "%s: Failed to configure WPA state", |
505 | __func__); | |
c5121837 JM |
506 | return -1; |
507 | } | |
e1b1309b | 508 | if (set80211param(priv, IEEE80211_IOC_AUTHMODE, |
af586419 | 509 | (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) { |
42f34a9b MH |
510 | wpa_printf(MSG_ERROR, "%s: Failed to enable WPA/802.1X", |
511 | __func__); | |
c5121837 JM |
512 | return -1; |
513 | } | |
e1b1309b | 514 | return bsd_ctrl_iface(priv, 1); |
c5121837 JM |
515 | } |
516 | ||
517 | static int | |
3234cba4 | 518 | bsd_set_sta_authorized(void *priv, const u8 *addr, |
4c32757d | 519 | int total_flags, int flags_or, int flags_and) |
c5121837 | 520 | { |
42f34a9b | 521 | int authorized = -1; |
c5121837 | 522 | |
42f34a9b MH |
523 | /* For now, only support setting Authorized flag */ |
524 | if (flags_or & WPA_STA_AUTHORIZED) | |
525 | authorized = 1; | |
526 | if (!(flags_and & WPA_STA_AUTHORIZED)) | |
527 | authorized = 0; | |
c5121837 | 528 | |
42f34a9b MH |
529 | if (authorized < 0) |
530 | return 0; | |
531 | ||
e1b1309b | 532 | return bsd_send_mlme_param(priv, authorized ? |
42f34a9b MH |
533 | IEEE80211_MLME_AUTHORIZE : |
534 | IEEE80211_MLME_UNAUTHORIZE, 0, addr); | |
535 | } | |
536 | ||
537 | static void | |
e1b1309b | 538 | bsd_new_sta(void *priv, void *ctx, u8 addr[IEEE80211_ADDR_LEN]) |
42f34a9b MH |
539 | { |
540 | struct ieee80211req_wpaie ie; | |
541 | int ielen = 0; | |
542 | u8 *iebuf = NULL; | |
543 | ||
544 | /* | |
545 | * Fetch and validate any negotiated WPA/RSN parameters. | |
546 | */ | |
547 | memset(&ie, 0, sizeof(ie)); | |
548 | memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN); | |
e1b1309b | 549 | if (get80211var(priv, IEEE80211_IOC_WPAIE, &ie, sizeof(ie)) < 0) { |
42f34a9b MH |
550 | printf("Failed to get WPA/RSN information element.\n"); |
551 | goto no_ie; | |
552 | } | |
553 | iebuf = ie.wpa_ie; | |
554 | ielen = ie.wpa_ie[1]; | |
555 | if (ielen == 0) | |
556 | iebuf = NULL; | |
557 | else | |
558 | ielen += 2; | |
559 | ||
560 | no_ie: | |
39b08b5f | 561 | drv_event_assoc(ctx, addr, iebuf, ielen, 0); |
42f34a9b MH |
562 | } |
563 | ||
564 | static int | |
e1b1309b | 565 | bsd_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len, |
4378fc14 | 566 | int encrypt, const u8 *own_addr, u32 flags) |
42f34a9b | 567 | { |
e1b1309b MH |
568 | struct bsd_driver_data *drv = priv; |
569 | ||
42f34a9b MH |
570 | wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", data, data_len); |
571 | ||
e1b1309b MH |
572 | return l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, data, |
573 | data_len); | |
c5121837 JM |
574 | } |
575 | ||
576 | static int | |
6db1602d | 577 | bsd_set_freq(void *priv, struct hostapd_freq_params *freq) |
42f34a9b | 578 | { |
e1b1309b | 579 | struct bsd_driver_data *drv = priv; |
aba7569e | 580 | #ifdef SIOCS80211CHANNEL |
42f34a9b | 581 | struct ieee80211chanreq creq; |
362468d1 | 582 | #endif /* SIOCS80211CHANNEL */ |
42f34a9b | 583 | u32 mode; |
6db1602d | 584 | int channel = freq->channel; |
42f34a9b | 585 | |
ca79385a YZ |
586 | if (channel < 14) { |
587 | mode = | |
588 | #ifdef CONFIG_IEEE80211N | |
589 | freq->ht_enabled ? IFM_IEEE80211_11NG : | |
590 | #endif /* CONFIG_IEEE80211N */ | |
591 | IFM_IEEE80211_11G; | |
592 | } else if (channel == 14) { | |
42f34a9b | 593 | mode = IFM_IEEE80211_11B; |
ca79385a YZ |
594 | } else { |
595 | mode = | |
596 | #ifdef CONFIG_IEEE80211N | |
597 | freq->ht_enabled ? IFM_IEEE80211_11NA : | |
598 | #endif /* CONFIG_IEEE80211N */ | |
599 | IFM_IEEE80211_11A; | |
600 | } | |
e1b1309b | 601 | if (bsd_set_mediaopt(drv, IFM_MMASK, mode) < 0) { |
42f34a9b MH |
602 | wpa_printf(MSG_ERROR, "%s: failed to set modulation mode", |
603 | __func__); | |
604 | return -1; | |
605 | } | |
606 | ||
362468d1 | 607 | #ifdef SIOCS80211CHANNEL |
42f34a9b | 608 | os_memset(&creq, 0, sizeof(creq)); |
e1b1309b | 609 | os_strlcpy(creq.i_name, drv->ifname, sizeof(creq.i_name)); |
6db1602d | 610 | creq.i_channel = (u_int16_t)channel; |
e1b1309b | 611 | return ioctl(drv->sock, SIOCS80211CHANNEL, &creq); |
362468d1 MH |
612 | #else /* SIOCS80211CHANNEL */ |
613 | return set80211param(priv, IEEE80211_IOC_CHANNEL, channel); | |
614 | #endif /* SIOCS80211CHANNEL */ | |
42f34a9b MH |
615 | } |
616 | ||
88487b0e | 617 | static int |
aa484516 | 618 | bsd_set_opt_ie(void *priv, const u8 *ie, size_t ie_len) |
88487b0e MH |
619 | { |
620 | #ifdef IEEE80211_IOC_APPIE | |
88487b0e MH |
621 | wpa_printf(MSG_DEBUG, "%s: set WPA+RSN ie (len %lu)", __func__, |
622 | (unsigned long)ie_len); | |
0c6bdf91 MH |
623 | return bsd_set80211(priv, IEEE80211_IOC_APPIE, IEEE80211_APPIE_WPA, |
624 | ie, ie_len); | |
88487b0e MH |
625 | #endif /* IEEE80211_IOC_APPIE */ |
626 | return 0; | |
627 | } | |
628 | ||
28878f8b MH |
629 | static int |
630 | rtbuf_len(void) | |
631 | { | |
632 | size_t len; | |
633 | ||
d4a747f0 | 634 | int mib[6] = {CTL_NET, AF_ROUTE, 0, AF_INET, NET_RT_DUMP, 0}; |
28878f8b MH |
635 | |
636 | if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) { | |
d4a747f0 | 637 | wpa_printf(MSG_WARNING, "%s failed: %s\n", __func__, |
28878f8b | 638 | strerror(errno)); |
d4a747f0 | 639 | len = 2048; |
28878f8b MH |
640 | } |
641 | ||
642 | return len; | |
643 | } | |
42f34a9b MH |
644 | |
645 | #ifdef HOSTAPD | |
646 | ||
647 | /* | |
648 | * Avoid conflicts with hostapd definitions by undefining couple of defines | |
649 | * from net80211 header files. | |
650 | */ | |
651 | #undef RSN_VERSION | |
652 | #undef WPA_VERSION | |
653 | #undef WPA_OUI_TYPE | |
654 | ||
42f34a9b MH |
655 | static int bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, |
656 | int reason_code); | |
657 | ||
42f34a9b MH |
658 | static const char * |
659 | ether_sprintf(const u8 *addr) | |
660 | { | |
661 | static char buf[sizeof(MACSTR)]; | |
662 | ||
663 | if (addr != NULL) | |
664 | snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr)); | |
665 | else | |
666 | snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0); | |
667 | return buf; | |
668 | } | |
669 | ||
42f34a9b | 670 | static int |
d5dd016a | 671 | bsd_set_privacy(void *priv, int enabled) |
c5121837 | 672 | { |
42f34a9b MH |
673 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
674 | ||
e1b1309b | 675 | return set80211param(priv, IEEE80211_IOC_PRIVACY, enabled); |
c5121837 JM |
676 | } |
677 | ||
c5121837 JM |
678 | static int |
679 | bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx, | |
680 | u8 *seq) | |
681 | { | |
c5121837 JM |
682 | struct ieee80211req_key wk; |
683 | ||
684 | wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d", | |
685 | __func__, ether_sprintf(addr), idx); | |
686 | ||
687 | memset(&wk, 0, sizeof(wk)); | |
688 | if (addr == NULL) | |
689 | memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); | |
690 | else | |
691 | memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); | |
692 | wk.ik_keyix = idx; | |
693 | ||
e1b1309b | 694 | if (get80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)) < 0) { |
c5121837 JM |
695 | printf("Failed to get encryption.\n"); |
696 | return -1; | |
697 | } | |
698 | ||
699 | #ifdef WORDS_BIGENDIAN | |
700 | { | |
701 | /* | |
702 | * wk.ik_keytsc is in host byte order (big endian), need to | |
703 | * swap it to match with the byte order used in WPA. | |
704 | */ | |
705 | int i; | |
706 | u8 tmp[WPA_KEY_RSC_LEN]; | |
707 | memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); | |
708 | for (i = 0; i < WPA_KEY_RSC_LEN; i++) { | |
709 | seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1]; | |
710 | } | |
711 | } | |
712 | #else /* WORDS_BIGENDIAN */ | |
713 | memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); | |
714 | #endif /* WORDS_BIGENDIAN */ | |
715 | return 0; | |
716 | } | |
717 | ||
718 | ||
719 | static int | |
720 | bsd_flush(void *priv) | |
721 | { | |
722 | u8 allsta[IEEE80211_ADDR_LEN]; | |
723 | ||
724 | memset(allsta, 0xff, IEEE80211_ADDR_LEN); | |
731723a5 | 725 | return bsd_sta_deauth(priv, NULL, allsta, IEEE80211_REASON_AUTH_LEAVE); |
c5121837 JM |
726 | } |
727 | ||
728 | ||
729 | static int | |
730 | bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data, | |
731 | const u8 *addr) | |
732 | { | |
c5121837 JM |
733 | struct ieee80211req_sta_stats stats; |
734 | ||
735 | memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN); | |
e1b1309b MH |
736 | if (get80211var(priv, IEEE80211_IOC_STA_STATS, &stats, sizeof(stats)) |
737 | > 0) { | |
c5121837 JM |
738 | /* XXX? do packets counts include non-data frames? */ |
739 | data->rx_packets = stats.is_stats.ns_rx_data; | |
740 | data->rx_bytes = stats.is_stats.ns_rx_bytes; | |
741 | data->tx_packets = stats.is_stats.ns_tx_data; | |
742 | data->tx_bytes = stats.is_stats.ns_tx_bytes; | |
743 | } | |
744 | return 0; | |
745 | } | |
746 | ||
c5121837 | 747 | static int |
731723a5 | 748 | bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason_code) |
c5121837 | 749 | { |
e1b1309b MH |
750 | return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code, |
751 | addr); | |
c5121837 JM |
752 | } |
753 | ||
754 | static int | |
731723a5 JM |
755 | bsd_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, |
756 | int reason_code) | |
c5121837 | 757 | { |
e1b1309b MH |
758 | return bsd_send_mlme_param(priv, IEEE80211_MLME_DISASSOC, reason_code, |
759 | addr); | |
c5121837 JM |
760 | } |
761 | ||
c5121837 JM |
762 | static void |
763 | bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx) | |
764 | { | |
765 | struct bsd_driver_data *drv = ctx; | |
28878f8b | 766 | char *buf; |
c5121837 JM |
767 | struct if_announcemsghdr *ifan; |
768 | struct rt_msghdr *rtm; | |
769 | struct ieee80211_michael_event *mic; | |
770 | struct ieee80211_join_event *join; | |
771 | struct ieee80211_leave_event *leave; | |
28878f8b | 772 | int n, len; |
1cd973d5 | 773 | union wpa_event_data data; |
c5121837 | 774 | |
28878f8b | 775 | len = rtbuf_len(); |
28878f8b MH |
776 | |
777 | buf = os_malloc(len); | |
778 | if (buf == NULL) { | |
779 | wpa_printf(MSG_ERROR, "%s os_malloc() failed\n", __func__); | |
780 | return; | |
781 | } | |
782 | ||
783 | n = read(sock, buf, len); | |
c5121837 JM |
784 | if (n < 0) { |
785 | if (errno != EINTR && errno != EAGAIN) | |
28878f8b MH |
786 | wpa_printf(MSG_ERROR, "%s read() failed: %s\n", |
787 | __func__, strerror(errno)); | |
788 | os_free(buf); | |
c5121837 JM |
789 | return; |
790 | } | |
791 | ||
792 | rtm = (struct rt_msghdr *) buf; | |
793 | if (rtm->rtm_version != RTM_VERSION) { | |
28878f8b MH |
794 | wpa_printf(MSG_DEBUG, "Invalid routing message version=%d", |
795 | rtm->rtm_version); | |
796 | os_free(buf); | |
c5121837 JM |
797 | return; |
798 | } | |
799 | ifan = (struct if_announcemsghdr *) rtm; | |
800 | switch (rtm->rtm_type) { | |
801 | case RTM_IEEE80211: | |
802 | switch (ifan->ifan_what) { | |
803 | case RTM_IEEE80211_ASSOC: | |
804 | case RTM_IEEE80211_REASSOC: | |
805 | case RTM_IEEE80211_DISASSOC: | |
806 | case RTM_IEEE80211_SCAN: | |
807 | break; | |
808 | case RTM_IEEE80211_LEAVE: | |
809 | leave = (struct ieee80211_leave_event *) &ifan[1]; | |
69378b79 | 810 | drv_event_disassoc(drv->hapd, leave->iev_addr); |
c5121837 JM |
811 | break; |
812 | case RTM_IEEE80211_JOIN: | |
813 | #ifdef RTM_IEEE80211_REJOIN | |
814 | case RTM_IEEE80211_REJOIN: | |
815 | #endif | |
816 | join = (struct ieee80211_join_event *) &ifan[1]; | |
e1b1309b | 817 | bsd_new_sta(drv, drv->hapd, join->iev_addr); |
c5121837 JM |
818 | break; |
819 | case RTM_IEEE80211_REPLAY: | |
820 | /* ignore */ | |
821 | break; | |
822 | case RTM_IEEE80211_MICHAEL: | |
823 | mic = (struct ieee80211_michael_event *) &ifan[1]; | |
824 | wpa_printf(MSG_DEBUG, | |
825 | "Michael MIC failure wireless event: " | |
826 | "keyix=%u src_addr=" MACSTR, mic->iev_keyix, | |
827 | MAC2STR(mic->iev_src)); | |
1cd973d5 JM |
828 | os_memset(&data, 0, sizeof(data)); |
829 | data.michael_mic_failure.unicast = 1; | |
830 | data.michael_mic_failure.src = mic->iev_src; | |
831 | wpa_supplicant_event(drv->hapd, | |
832 | EVENT_MICHAEL_MIC_FAILURE, &data); | |
c5121837 JM |
833 | break; |
834 | } | |
835 | break; | |
836 | } | |
28878f8b | 837 | os_free(buf); |
c5121837 JM |
838 | } |
839 | ||
c5121837 JM |
840 | static void |
841 | handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) | |
842 | { | |
843 | struct bsd_driver_data *drv = ctx; | |
d3737256 | 844 | drv_event_eapol_rx(drv->hapd, src_addr, buf, len); |
c5121837 JM |
845 | } |
846 | ||
c5121837 | 847 | static void * |
92f475b4 | 848 | bsd_init(struct hostapd_data *hapd, struct wpa_init_params *params) |
c5121837 JM |
849 | { |
850 | struct bsd_driver_data *drv; | |
851 | ||
852 | drv = os_zalloc(sizeof(struct bsd_driver_data)); | |
853 | if (drv == NULL) { | |
854 | printf("Could not allocate memory for bsd driver data\n"); | |
855 | goto bad; | |
856 | } | |
857 | ||
858 | drv->hapd = hapd; | |
6850c707 MH |
859 | drv->sock = socket(PF_INET, SOCK_DGRAM, 0); |
860 | if (drv->sock < 0) { | |
c5121837 JM |
861 | perror("socket[PF_INET,SOCK_DGRAM]"); |
862 | goto bad; | |
863 | } | |
6850c707 | 864 | os_strlcpy(drv->ifname, params->ifname, sizeof(drv->ifname)); |
c5121837 | 865 | |
6850c707 | 866 | drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL, |
d3737256 | 867 | handle_read, drv, 0); |
c5121837 JM |
868 | if (drv->sock_xmit == NULL) |
869 | goto bad; | |
412036f5 | 870 | if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr)) |
c5121837 JM |
871 | goto bad; |
872 | ||
60bc3033 | 873 | /* mark down during setup */ |
e1b1309b | 874 | if (bsd_ctrl_iface(drv, 0) < 0) |
60bc3033 | 875 | goto bad; |
6850c707 MH |
876 | |
877 | drv->route = socket(PF_ROUTE, SOCK_RAW, 0); | |
878 | if (drv->route < 0) { | |
879 | perror("socket(PF_ROUTE,SOCK_RAW)"); | |
c5121837 | 880 | goto bad; |
6850c707 MH |
881 | } |
882 | eloop_register_read_sock(drv->route, bsd_wireless_event_receive, drv, | |
883 | NULL); | |
c5121837 | 884 | |
e1b1309b | 885 | if (bsd_set_mediaopt(drv, IFM_OMASK, IFM_IEEE80211_HOSTAP) < 0) { |
5197244a MH |
886 | wpa_printf(MSG_ERROR, "%s: failed to set operation mode", |
887 | __func__); | |
888 | goto bad; | |
889 | } | |
890 | ||
c5121837 JM |
891 | return drv; |
892 | bad: | |
893 | if (drv->sock_xmit != NULL) | |
894 | l2_packet_deinit(drv->sock_xmit); | |
6850c707 MH |
895 | if (drv->sock >= 0) |
896 | close(drv->sock); | |
c5121837 | 897 | if (drv != NULL) |
82f36163 | 898 | os_free(drv); |
c5121837 JM |
899 | return NULL; |
900 | } | |
901 | ||
902 | ||
903 | static void | |
904 | bsd_deinit(void *priv) | |
905 | { | |
906 | struct bsd_driver_data *drv = priv; | |
907 | ||
6850c707 MH |
908 | if (drv->route >= 0) { |
909 | eloop_unregister_read_sock(drv->route); | |
910 | close(drv->route); | |
911 | } | |
e1b1309b | 912 | bsd_ctrl_iface(drv, 0); |
6850c707 MH |
913 | if (drv->sock >= 0) |
914 | close(drv->sock); | |
c5121837 JM |
915 | if (drv->sock_xmit != NULL) |
916 | l2_packet_deinit(drv->sock_xmit); | |
82f36163 | 917 | os_free(drv); |
c5121837 JM |
918 | } |
919 | ||
c5121837 JM |
920 | #else /* HOSTAPD */ |
921 | ||
6fc6879b | 922 | static int |
86b24ea9 | 923 | get80211param(struct bsd_driver_data *drv, int op) |
6fc6879b JM |
924 | { |
925 | struct ieee80211req ireq; | |
926 | ||
0c6bdf91 | 927 | if (bsd_get80211(drv, &ireq, op, NULL, 0) < 0) |
6fc6879b | 928 | return -1; |
6fc6879b JM |
929 | return ireq.i_val; |
930 | } | |
931 | ||
6fc6879b JM |
932 | static int |
933 | wpa_driver_bsd_get_bssid(void *priv, u8 *bssid) | |
934 | { | |
86b24ea9 | 935 | struct bsd_driver_data *drv = priv; |
66d4085f | 936 | #ifdef SIOCG80211BSSID |
a65f4a57 | 937 | struct ieee80211_bssid bs; |
6fc6879b | 938 | |
e1b1309b | 939 | os_strlcpy(bs.i_name, drv->ifname, sizeof(bs.i_name)); |
a65f4a57 MH |
940 | if (ioctl(drv->sock, SIOCG80211BSSID, &bs) < 0) |
941 | return -1; | |
942 | os_memcpy(bssid, bs.i_bssid, sizeof(bs.i_bssid)); | |
943 | return 0; | |
944 | #else | |
6fc6879b JM |
945 | return get80211var(drv, IEEE80211_IOC_BSSID, |
946 | bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0; | |
a65f4a57 | 947 | #endif |
6fc6879b JM |
948 | } |
949 | ||
6fc6879b JM |
950 | static int |
951 | wpa_driver_bsd_get_ssid(void *priv, u8 *ssid) | |
952 | { | |
86b24ea9 | 953 | struct bsd_driver_data *drv = priv; |
c1bbb0ce | 954 | return bsd_get_ssid(drv, ssid, 0); |
6fc6879b JM |
955 | } |
956 | ||
957 | static int | |
86b24ea9 MH |
958 | wpa_driver_bsd_set_wpa_ie(struct bsd_driver_data *drv, const u8 *wpa_ie, |
959 | size_t wpa_ie_len) | |
6fc6879b | 960 | { |
c610dba1 | 961 | #ifdef IEEE80211_IOC_APPIE |
aa484516 | 962 | return bsd_set_opt_ie(drv, wpa_ie, wpa_ie_len); |
c610dba1 | 963 | #else /* IEEE80211_IOC_APPIE */ |
6fc6879b | 964 | return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len); |
c610dba1 | 965 | #endif /* IEEE80211_IOC_APPIE */ |
6fc6879b JM |
966 | } |
967 | ||
968 | static int | |
969 | wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy) | |
970 | { | |
6fc6879b JM |
971 | int ret = 0; |
972 | ||
973 | wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d", | |
974 | __FUNCTION__, wpa, privacy); | |
975 | ||
e1b1309b | 976 | if (!wpa && wpa_driver_bsd_set_wpa_ie(priv, NULL, 0) < 0) |
6fc6879b | 977 | ret = -1; |
e1b1309b | 978 | if (set80211param(priv, IEEE80211_IOC_PRIVACY, privacy) < 0) |
6fc6879b | 979 | ret = -1; |
e1b1309b | 980 | if (set80211param(priv, IEEE80211_IOC_WPA, wpa) < 0) |
6fc6879b JM |
981 | ret = -1; |
982 | ||
983 | return ret; | |
984 | } | |
985 | ||
986 | static int | |
987 | wpa_driver_bsd_set_wpa(void *priv, int enabled) | |
988 | { | |
989 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled); | |
990 | ||
991 | return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled); | |
992 | } | |
993 | ||
6fc6879b JM |
994 | static int |
995 | wpa_driver_bsd_set_countermeasures(void *priv, int enabled) | |
996 | { | |
6fc6879b | 997 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
e1b1309b | 998 | return set80211param(priv, IEEE80211_IOC_COUNTERMEASURES, enabled); |
6fc6879b JM |
999 | } |
1000 | ||
1001 | ||
1002 | static int | |
1003 | wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled) | |
1004 | { | |
6fc6879b | 1005 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
e1b1309b | 1006 | return set80211param(priv, IEEE80211_IOC_DROPUNENCRYPTED, enabled); |
6fc6879b JM |
1007 | } |
1008 | ||
1009 | static int | |
1010 | wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code) | |
1011 | { | |
e1b1309b MH |
1012 | return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code, |
1013 | addr); | |
6fc6879b JM |
1014 | } |
1015 | ||
2a91091e MH |
1016 | static int |
1017 | wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg) | |
1018 | { | |
2a91091e MH |
1019 | int authmode; |
1020 | ||
abd9fafa JM |
1021 | if ((auth_alg & WPA_AUTH_ALG_OPEN) && |
1022 | (auth_alg & WPA_AUTH_ALG_SHARED)) | |
2a91091e | 1023 | authmode = IEEE80211_AUTH_AUTO; |
abd9fafa | 1024 | else if (auth_alg & WPA_AUTH_ALG_SHARED) |
2a91091e MH |
1025 | authmode = IEEE80211_AUTH_SHARED; |
1026 | else | |
1027 | authmode = IEEE80211_AUTH_OPEN; | |
1028 | ||
e1b1309b | 1029 | return set80211param(priv, IEEE80211_IOC_AUTHMODE, authmode); |
2a91091e MH |
1030 | } |
1031 | ||
42f34a9b MH |
1032 | static void |
1033 | handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) | |
1034 | { | |
86b24ea9 | 1035 | struct bsd_driver_data *drv = ctx; |
42f34a9b MH |
1036 | |
1037 | drv_event_eapol_rx(drv->ctx, src_addr, buf, len); | |
1038 | } | |
1039 | ||
6fc6879b JM |
1040 | static int |
1041 | wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params) | |
1042 | { | |
86b24ea9 | 1043 | struct bsd_driver_data *drv = priv; |
6fc6879b | 1044 | struct ieee80211req_mlme mlme; |
42f34a9b | 1045 | u32 mode; |
6fc6879b | 1046 | int privacy; |
4a867032 | 1047 | int ret = 0; |
6fc6879b JM |
1048 | |
1049 | wpa_printf(MSG_DEBUG, | |
1050 | "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u" | |
1051 | , __func__ | |
92e63aaf JM |
1052 | , (unsigned int) params->ssid_len, params->ssid |
1053 | , (unsigned int) params->wpa_ie_len | |
6fc6879b JM |
1054 | , params->pairwise_suite |
1055 | , params->group_suite | |
1056 | , params->key_mgmt_suite | |
1057 | ); | |
1058 | ||
42f34a9b MH |
1059 | switch (params->mode) { |
1060 | case IEEE80211_MODE_INFRA: | |
1061 | mode = 0 /* STA */; | |
1062 | break; | |
1063 | case IEEE80211_MODE_IBSS: | |
1064 | mode = IFM_IEEE80211_IBSS; | |
1065 | break; | |
1066 | case IEEE80211_MODE_AP: | |
1067 | mode = IFM_IEEE80211_HOSTAP; | |
1068 | break; | |
1069 | default: | |
1070 | wpa_printf(MSG_ERROR, "%s: unknown operation mode", __func__); | |
1071 | return -1; | |
1072 | } | |
e1b1309b | 1073 | if (bsd_set_mediaopt(drv, IFM_OMASK, mode) < 0) { |
42f34a9b MH |
1074 | wpa_printf(MSG_ERROR, "%s: failed to set operation mode", |
1075 | __func__); | |
1076 | return -1; | |
1077 | } | |
1078 | ||
1079 | if (params->mode == IEEE80211_MODE_AP) { | |
42f34a9b MH |
1080 | drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL, |
1081 | handle_read, drv, 0); | |
1082 | if (drv->sock_xmit == NULL) | |
1083 | return -1; | |
1084 | drv->is_ap = 1; | |
1085 | return 0; | |
1086 | } | |
1087 | ||
4a867032 JM |
1088 | if (wpa_driver_bsd_set_drop_unencrypted(drv, params->drop_unencrypted) |
1089 | < 0) | |
1090 | ret = -1; | |
1091 | if (wpa_driver_bsd_set_auth_alg(drv, params->auth_alg) < 0) | |
1092 | ret = -1; | |
6fc6879b JM |
1093 | /* XXX error handling is wrong but unclear what to do... */ |
1094 | if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0) | |
1095 | return -1; | |
6fc6879b JM |
1096 | |
1097 | privacy = !(params->pairwise_suite == CIPHER_NONE && | |
1098 | params->group_suite == CIPHER_NONE && | |
1099 | params->key_mgmt_suite == KEY_MGMT_NONE && | |
1100 | params->wpa_ie_len == 0); | |
1101 | wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy); | |
1102 | ||
1103 | if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0) | |
1104 | return -1; | |
1105 | ||
1106 | if (params->wpa_ie_len && | |
1107 | set80211param(drv, IEEE80211_IOC_WPA, | |
1108 | params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0) | |
1109 | return -1; | |
1110 | ||
1111 | os_memset(&mlme, 0, sizeof(mlme)); | |
1112 | mlme.im_op = IEEE80211_MLME_ASSOC; | |
6fc6879b JM |
1113 | if (params->ssid != NULL) |
1114 | os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len); | |
1115 | mlme.im_ssid_len = params->ssid_len; | |
6fc6879b JM |
1116 | if (params->bssid != NULL) |
1117 | os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN); | |
1118 | if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0) | |
1119 | return -1; | |
4a867032 | 1120 | return ret; |
6fc6879b JM |
1121 | } |
1122 | ||
6fc6879b | 1123 | static int |
c2e8d0a0 | 1124 | wpa_driver_bsd_scan(void *priv, struct wpa_driver_scan_params *params) |
6fc6879b | 1125 | { |
86b24ea9 | 1126 | struct bsd_driver_data *drv = priv; |
88487b0e MH |
1127 | #ifdef IEEE80211_IOC_SCAN_MAX_SSID |
1128 | struct ieee80211_scan_req sr; | |
1129 | int i; | |
1130 | #endif /* IEEE80211_IOC_SCAN_MAX_SSID */ | |
1131 | ||
1132 | if (bsd_set_mediaopt(drv, IFM_OMASK, 0 /* STA */) < 0) { | |
1133 | wpa_printf(MSG_ERROR, "%s: failed to set operation mode", | |
1134 | __func__); | |
1135 | return -1; | |
1136 | } | |
6fc6879b | 1137 | |
42f34a9b MH |
1138 | if (set80211param(drv, IEEE80211_IOC_ROAMING, |
1139 | IEEE80211_ROAMING_MANUAL) < 0) { | |
1140 | wpa_printf(MSG_ERROR, "%s: failed to set " | |
1141 | "wpa_supplicant-based roaming: %s", __func__, | |
1142 | strerror(errno)); | |
1143 | return -1; | |
1144 | } | |
1145 | ||
1146 | if (wpa_driver_bsd_set_wpa(drv, 1) < 0) { | |
1147 | wpa_printf(MSG_ERROR, "%s: failed to set wpa: %s", __func__, | |
1148 | strerror(errno)); | |
1149 | return -1; | |
1150 | } | |
1151 | ||
6fc6879b | 1152 | /* NB: interface must be marked UP to do a scan */ |
e1b1309b | 1153 | if (bsd_ctrl_iface(drv, 1) < 0) |
6fc6879b JM |
1154 | return -1; |
1155 | ||
88487b0e MH |
1156 | #ifdef IEEE80211_IOC_SCAN_MAX_SSID |
1157 | os_memset(&sr, 0, sizeof(sr)); | |
1158 | sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE | | |
1159 | IEEE80211_IOC_SCAN_NOJOIN; | |
1160 | sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER; | |
1161 | if (params->num_ssids > 0) { | |
1162 | sr.sr_nssid = params->num_ssids; | |
1163 | #if 0 | |
1164 | /* Boundary check is done by upper layer */ | |
1165 | if (sr.sr_nssid > IEEE80211_IOC_SCAN_MAX_SSID) | |
1166 | sr.sr_nssid = IEEE80211_IOC_SCAN_MAX_SSID; | |
1167 | #endif | |
1168 | ||
1169 | /* NB: check scan cache first */ | |
1170 | sr.sr_flags |= IEEE80211_IOC_SCAN_CHECK; | |
1171 | } | |
1172 | for (i = 0; i < sr.sr_nssid; i++) { | |
1173 | sr.sr_ssid[i].len = params->ssids[i].ssid_len; | |
1174 | os_memcpy(sr.sr_ssid[i].ssid, params->ssids[i].ssid, | |
1175 | sr.sr_ssid[i].len); | |
1176 | } | |
1177 | ||
1178 | /* NB: net80211 delivers a scan complete event so no need to poll */ | |
1179 | return set80211var(drv, IEEE80211_IOC_SCAN_REQ, &sr, sizeof(sr)); | |
1180 | #else /* IEEE80211_IOC_SCAN_MAX_SSID */ | |
6fc6879b | 1181 | /* set desired ssid before scan */ |
c1bbb0ce | 1182 | if (bsd_set_ssid(drv, params->ssids[0].ssid, |
88487b0e | 1183 | params->ssids[0].ssid_len) < 0) |
6fc6879b JM |
1184 | return -1; |
1185 | ||
1186 | /* NB: net80211 delivers a scan complete event so no need to poll */ | |
1187 | return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0); | |
88487b0e | 1188 | #endif /* IEEE80211_IOC_SCAN_MAX_SSID */ |
6fc6879b JM |
1189 | } |
1190 | ||
6fc6879b JM |
1191 | static void |
1192 | wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx) | |
1193 | { | |
86b24ea9 | 1194 | struct bsd_driver_data *drv = sock_ctx; |
28878f8b | 1195 | char *buf; |
6fc6879b JM |
1196 | struct if_announcemsghdr *ifan; |
1197 | struct if_msghdr *ifm; | |
1198 | struct rt_msghdr *rtm; | |
1199 | union wpa_event_data event; | |
1200 | struct ieee80211_michael_event *mic; | |
42f34a9b MH |
1201 | struct ieee80211_leave_event *leave; |
1202 | struct ieee80211_join_event *join; | |
28878f8b MH |
1203 | int n, len; |
1204 | ||
1205 | len = rtbuf_len(); | |
28878f8b MH |
1206 | |
1207 | buf = os_malloc(len); | |
1208 | if (buf == NULL) { | |
1209 | wpa_printf(MSG_ERROR, "%s os_malloc() failed\n", __func__); | |
1210 | return; | |
1211 | } | |
6fc6879b | 1212 | |
28878f8b | 1213 | n = read(sock, buf, len); |
6fc6879b JM |
1214 | if (n < 0) { |
1215 | if (errno != EINTR && errno != EAGAIN) | |
28878f8b MH |
1216 | wpa_printf(MSG_ERROR, "%s read() failed: %s\n", |
1217 | __func__, strerror(errno)); | |
1218 | os_free(buf); | |
6fc6879b JM |
1219 | return; |
1220 | } | |
1221 | ||
1222 | rtm = (struct rt_msghdr *) buf; | |
1223 | if (rtm->rtm_version != RTM_VERSION) { | |
28878f8b MH |
1224 | wpa_printf(MSG_DEBUG, "Invalid routing message version=%d", |
1225 | rtm->rtm_version); | |
1226 | os_free(buf); | |
6fc6879b JM |
1227 | return; |
1228 | } | |
1229 | os_memset(&event, 0, sizeof(event)); | |
1230 | switch (rtm->rtm_type) { | |
1231 | case RTM_IFANNOUNCE: | |
1232 | ifan = (struct if_announcemsghdr *) rtm; | |
1233 | if (ifan->ifan_index != drv->ifindex) | |
1234 | break; | |
d2f46a2b JM |
1235 | os_strlcpy(event.interface_status.ifname, drv->ifname, |
1236 | sizeof(event.interface_status.ifname)); | |
6fc6879b JM |
1237 | switch (ifan->ifan_what) { |
1238 | case IFAN_DEPARTURE: | |
1239 | event.interface_status.ievent = EVENT_INTERFACE_REMOVED; | |
1240 | default: | |
28878f8b | 1241 | os_free(buf); |
6fc6879b JM |
1242 | return; |
1243 | } | |
1244 | wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s", | |
1245 | event.interface_status.ifname, | |
1246 | ifan->ifan_what == IFAN_DEPARTURE ? | |
1247 | "removed" : "added"); | |
1248 | wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event); | |
1249 | break; | |
1250 | case RTM_IEEE80211: | |
1251 | ifan = (struct if_announcemsghdr *) rtm; | |
1252 | if (ifan->ifan_index != drv->ifindex) | |
1253 | break; | |
1254 | switch (ifan->ifan_what) { | |
1255 | case RTM_IEEE80211_ASSOC: | |
1256 | case RTM_IEEE80211_REASSOC: | |
42f34a9b MH |
1257 | if (drv->is_ap) |
1258 | break; | |
6fc6879b JM |
1259 | wpa_supplicant_event(ctx, EVENT_ASSOC, NULL); |
1260 | break; | |
1261 | case RTM_IEEE80211_DISASSOC: | |
42f34a9b MH |
1262 | if (drv->is_ap) |
1263 | break; | |
6fc6879b JM |
1264 | wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL); |
1265 | break; | |
1266 | case RTM_IEEE80211_SCAN: | |
42f34a9b MH |
1267 | if (drv->is_ap) |
1268 | break; | |
6fc6879b JM |
1269 | wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL); |
1270 | break; | |
42f34a9b MH |
1271 | case RTM_IEEE80211_LEAVE: |
1272 | leave = (struct ieee80211_leave_event *) &ifan[1]; | |
1273 | drv_event_disassoc(ctx, leave->iev_addr); | |
1274 | break; | |
1275 | case RTM_IEEE80211_JOIN: | |
1276 | #ifdef RTM_IEEE80211_REJOIN | |
1277 | case RTM_IEEE80211_REJOIN: | |
1278 | #endif | |
1279 | join = (struct ieee80211_join_event *) &ifan[1]; | |
e1b1309b | 1280 | bsd_new_sta(drv, ctx, join->iev_addr); |
42f34a9b | 1281 | break; |
6fc6879b JM |
1282 | case RTM_IEEE80211_REPLAY: |
1283 | /* ignore */ | |
1284 | break; | |
1285 | case RTM_IEEE80211_MICHAEL: | |
1286 | mic = (struct ieee80211_michael_event *) &ifan[1]; | |
1287 | wpa_printf(MSG_DEBUG, | |
1288 | "Michael MIC failure wireless event: " | |
1289 | "keyix=%u src_addr=" MACSTR, mic->iev_keyix, | |
1290 | MAC2STR(mic->iev_src)); | |
1291 | ||
1292 | os_memset(&event, 0, sizeof(event)); | |
1293 | event.michael_mic_failure.unicast = | |
1294 | !IEEE80211_IS_MULTICAST(mic->iev_dst); | |
1295 | wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, | |
1296 | &event); | |
1297 | break; | |
1298 | } | |
1299 | break; | |
1300 | case RTM_IFINFO: | |
1301 | ifm = (struct if_msghdr *) rtm; | |
1302 | if (ifm->ifm_index != drv->ifindex) | |
1303 | break; | |
1304 | if ((rtm->rtm_flags & RTF_UP) == 0) { | |
d2f46a2b JM |
1305 | os_strlcpy(event.interface_status.ifname, drv->ifname, |
1306 | sizeof(event.interface_status.ifname)); | |
6fc6879b JM |
1307 | event.interface_status.ievent = EVENT_INTERFACE_REMOVED; |
1308 | wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN", | |
1309 | event.interface_status.ifname); | |
1310 | wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event); | |
1311 | } | |
1312 | break; | |
1313 | } | |
28878f8b | 1314 | os_free(buf); |
6fc6879b JM |
1315 | } |
1316 | ||
a65f4a57 MH |
1317 | static void |
1318 | wpa_driver_bsd_add_scan_entry(struct wpa_scan_results *res, | |
1319 | struct ieee80211req_scan_result *sr) | |
6fc6879b | 1320 | { |
a65f4a57 MH |
1321 | struct wpa_scan_res *result, **tmp; |
1322 | size_t extra_len; | |
1323 | u8 *pos; | |
6fc6879b | 1324 | |
a65f4a57 MH |
1325 | extra_len = 2 + sr->isr_ssid_len; |
1326 | extra_len += 2 + sr->isr_nrates; | |
1327 | extra_len += 3; /* ERP IE */ | |
1328 | extra_len += sr->isr_ie_len; | |
6fc6879b | 1329 | |
a65f4a57 MH |
1330 | result = os_zalloc(sizeof(*result) + extra_len); |
1331 | if (result == NULL) | |
1332 | return; | |
1333 | os_memcpy(result->bssid, sr->isr_bssid, ETH_ALEN); | |
1334 | result->freq = sr->isr_freq; | |
1335 | result->beacon_int = sr->isr_intval; | |
1336 | result->caps = sr->isr_capinfo; | |
1337 | result->qual = sr->isr_rssi; | |
1338 | result->noise = sr->isr_noise; | |
89f46900 RP |
1339 | /* |
1340 | * the rssi value reported by the kernel is in 0.5dB steps relative to | |
1341 | * the reported noise floor. see ieee80211_node.h for details. | |
1342 | */ | |
1343 | result->level = sr->isr_rssi / 2 + sr->isr_noise; | |
6fc6879b | 1344 | |
a65f4a57 | 1345 | pos = (u8 *)(result + 1); |
6fc6879b | 1346 | |
a65f4a57 MH |
1347 | *pos++ = WLAN_EID_SSID; |
1348 | *pos++ = sr->isr_ssid_len; | |
1349 | os_memcpy(pos, sr + 1, sr->isr_ssid_len); | |
1350 | pos += sr->isr_ssid_len; | |
6fc6879b | 1351 | |
a65f4a57 MH |
1352 | /* |
1353 | * Deal all rates as supported rate. | |
1354 | * Because net80211 doesn't report extended supported rate or not. | |
1355 | */ | |
1356 | *pos++ = WLAN_EID_SUPP_RATES; | |
1357 | *pos++ = sr->isr_nrates; | |
1358 | os_memcpy(pos, sr->isr_rates, sr->isr_nrates); | |
1359 | pos += sr->isr_nrates; | |
6fc6879b | 1360 | |
a65f4a57 MH |
1361 | *pos++ = WLAN_EID_ERP_INFO; |
1362 | *pos++ = 1; | |
1363 | *pos++ = sr->isr_erp; | |
6fc6879b | 1364 | |
a65f4a57 MH |
1365 | os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len, sr->isr_ie_len); |
1366 | pos += sr->isr_ie_len; | |
6fc6879b | 1367 | |
a65f4a57 MH |
1368 | result->ie_len = pos - (u8 *)(result + 1); |
1369 | ||
067ffa26 JM |
1370 | tmp = os_realloc_array(res->res, res->num + 1, |
1371 | sizeof(struct wpa_scan_res *)); | |
a65f4a57 MH |
1372 | if (tmp == NULL) { |
1373 | os_free(result); | |
1374 | return; | |
1375 | } | |
1376 | tmp[res->num++] = result; | |
1377 | res->res = tmp; | |
6fc6879b JM |
1378 | } |
1379 | ||
a65f4a57 MH |
1380 | struct wpa_scan_results * |
1381 | wpa_driver_bsd_get_scan_results2(void *priv) | |
6fc6879b | 1382 | { |
6fc6879b | 1383 | struct ieee80211req_scan_result *sr; |
a65f4a57 MH |
1384 | struct wpa_scan_results *res; |
1385 | int len, rest; | |
1386 | uint8_t buf[24*1024], *pos; | |
6fc6879b | 1387 | |
e1b1309b | 1388 | len = get80211var(priv, IEEE80211_IOC_SCAN_RESULTS, buf, 24*1024); |
6fc6879b | 1389 | if (len < 0) |
a65f4a57 MH |
1390 | return NULL; |
1391 | ||
1392 | res = os_zalloc(sizeof(*res)); | |
1393 | if (res == NULL) | |
1394 | return NULL; | |
6fc6879b | 1395 | |
a65f4a57 MH |
1396 | pos = buf; |
1397 | rest = len; | |
1398 | while (rest >= sizeof(struct ieee80211req_scan_result)) { | |
1399 | sr = (struct ieee80211req_scan_result *)pos; | |
1400 | wpa_driver_bsd_add_scan_entry(res, sr); | |
1401 | pos += sr->isr_len; | |
1402 | rest -= sr->isr_len; | |
6fc6879b | 1403 | } |
6fc6879b | 1404 | |
a65f4a57 MH |
1405 | wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%lu BSSes)", |
1406 | len, (unsigned long)res->num); | |
6fc6879b | 1407 | |
a65f4a57 | 1408 | return res; |
6fc6879b JM |
1409 | } |
1410 | ||
86b24ea9 | 1411 | static int wpa_driver_bsd_capa(struct bsd_driver_data *drv) |
42f34a9b | 1412 | { |
c6611ed9 MH |
1413 | #ifdef IEEE80211_IOC_DEVCAPS |
1414 | /* kernel definitions copied from net80211/ieee80211_var.h */ | |
1415 | #define IEEE80211_CIPHER_WEP 0 | |
1416 | #define IEEE80211_CIPHER_TKIP 1 | |
1417 | #define IEEE80211_CIPHER_AES_CCM 3 | |
1418 | #define IEEE80211_CRYPTO_WEP (1<<IEEE80211_CIPHER_WEP) | |
1419 | #define IEEE80211_CRYPTO_TKIP (1<<IEEE80211_CIPHER_TKIP) | |
1420 | #define IEEE80211_CRYPTO_AES_CCM (1<<IEEE80211_CIPHER_AES_CCM) | |
1421 | #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ | |
1422 | #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ | |
1423 | #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ | |
1424 | struct ieee80211_devcaps_req devcaps; | |
1425 | ||
1426 | if (get80211var(drv, IEEE80211_IOC_DEVCAPS, &devcaps, | |
1427 | sizeof(devcaps)) < 0) { | |
1428 | wpa_printf(MSG_ERROR, "failed to IEEE80211_IOC_DEVCAPS: %s", | |
1429 | strerror(errno)); | |
1430 | return -1; | |
1431 | } | |
1432 | ||
1433 | wpa_printf(MSG_DEBUG, "%s: drivercaps=0x%08x,cryptocaps=0x%08x", | |
1434 | __func__, devcaps.dc_drivercaps, devcaps.dc_cryptocaps); | |
1435 | ||
1436 | if (devcaps.dc_drivercaps & IEEE80211_C_WPA1) | |
1437 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | | |
1438 | WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK; | |
1439 | if (devcaps.dc_drivercaps & IEEE80211_C_WPA2) | |
1440 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | | |
1441 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; | |
1442 | ||
1443 | if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_WEP) | |
1444 | drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 | | |
1445 | WPA_DRIVER_CAPA_ENC_WEP104; | |
1446 | if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_TKIP) | |
1447 | drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP; | |
1448 | if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_AES_CCM) | |
1449 | drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP; | |
1450 | ||
1451 | if (devcaps.dc_drivercaps & IEEE80211_C_HOSTAP) | |
1452 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP; | |
1453 | #undef IEEE80211_CIPHER_WEP | |
1454 | #undef IEEE80211_CIPHER_TKIP | |
1455 | #undef IEEE80211_CIPHER_AES_CCM | |
1456 | #undef IEEE80211_CRYPTO_WEP | |
1457 | #undef IEEE80211_CRYPTO_TKIP | |
1458 | #undef IEEE80211_CRYPTO_AES_CCM | |
1459 | #undef IEEE80211_C_HOSTAP | |
1460 | #undef IEEE80211_C_WPA1 | |
1461 | #undef IEEE80211_C_WPA2 | |
1462 | #else /* IEEE80211_IOC_DEVCAPS */ | |
42f34a9b MH |
1463 | /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */ |
1464 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | | |
1465 | WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | | |
1466 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | | |
1467 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; | |
1468 | drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 | | |
1469 | WPA_DRIVER_CAPA_ENC_WEP104 | | |
1470 | WPA_DRIVER_CAPA_ENC_TKIP | | |
1471 | WPA_DRIVER_CAPA_ENC_CCMP; | |
c6611ed9 MH |
1472 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP; |
1473 | #endif /* IEEE80211_IOC_DEVCAPS */ | |
88487b0e MH |
1474 | #ifdef IEEE80211_IOC_SCAN_MAX_SSID |
1475 | drv->capa.max_scan_ssids = IEEE80211_IOC_SCAN_MAX_SSID; | |
c6611ed9 MH |
1476 | #else /* IEEE80211_IOC_SCAN_MAX_SSID */ |
1477 | drv->capa.max_scan_ssids = 1; | |
88487b0e | 1478 | #endif /* IEEE80211_IOC_SCAN_MAX_SSID */ |
c6611ed9 MH |
1479 | drv->capa.auth = WPA_DRIVER_AUTH_OPEN | |
1480 | WPA_DRIVER_AUTH_SHARED | | |
1481 | WPA_DRIVER_AUTH_LEAP; | |
42f34a9b MH |
1482 | return 0; |
1483 | } | |
1484 | ||
6fc6879b JM |
1485 | static void * |
1486 | wpa_driver_bsd_init(void *ctx, const char *ifname) | |
1487 | { | |
1488 | #define GETPARAM(drv, param, v) \ | |
1489 | (((v) = get80211param(drv, param)) != -1) | |
86b24ea9 | 1490 | struct bsd_driver_data *drv; |
6fc6879b JM |
1491 | |
1492 | drv = os_zalloc(sizeof(*drv)); | |
1493 | if (drv == NULL) | |
1494 | return NULL; | |
1495 | /* | |
1496 | * NB: We require the interface name be mappable to an index. | |
1497 | * This implies we do not support having wpa_supplicant | |
1498 | * wait for an interface to appear. This seems ok; that | |
1499 | * doesn't belong here; it's really the job of devd. | |
1500 | */ | |
1501 | drv->ifindex = if_nametoindex(ifname); | |
1502 | if (drv->ifindex == 0) { | |
1503 | wpa_printf(MSG_DEBUG, "%s: interface %s does not exist", | |
1504 | __func__, ifname); | |
1505 | goto fail1; | |
1506 | } | |
1507 | drv->sock = socket(PF_INET, SOCK_DGRAM, 0); | |
1508 | if (drv->sock < 0) | |
1509 | goto fail1; | |
1510 | drv->route = socket(PF_ROUTE, SOCK_RAW, 0); | |
1511 | if (drv->route < 0) | |
1512 | goto fail; | |
1513 | eloop_register_read_sock(drv->route, | |
1514 | wpa_driver_bsd_event_receive, ctx, drv); | |
1515 | ||
1516 | drv->ctx = ctx; | |
1517 | os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname)); | |
1518 | ||
42f34a9b | 1519 | /* Down interface during setup. */ |
e1b1309b | 1520 | if (bsd_ctrl_iface(drv, 0) < 0) |
42f34a9b MH |
1521 | goto fail; |
1522 | ||
6fc6879b JM |
1523 | if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) { |
1524 | wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s", | |
1525 | __func__, strerror(errno)); | |
1526 | goto fail; | |
1527 | } | |
1528 | if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) { | |
1529 | wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s", | |
1530 | __func__, strerror(errno)); | |
1531 | goto fail; | |
1532 | } | |
1533 | if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) { | |
1534 | wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s", | |
1535 | __func__, strerror(errno)); | |
1536 | goto fail; | |
1537 | } | |
5197244a | 1538 | |
42f34a9b | 1539 | if (wpa_driver_bsd_capa(drv)) |
6fc6879b | 1540 | goto fail; |
4a867032 | 1541 | |
5dd82c63 RP |
1542 | drv->opmode = get80211opmode(drv); |
1543 | ||
6fc6879b JM |
1544 | return drv; |
1545 | fail: | |
1546 | close(drv->sock); | |
1547 | fail1: | |
1548 | os_free(drv); | |
1549 | return NULL; | |
1550 | #undef GETPARAM | |
1551 | } | |
1552 | ||
1553 | static void | |
1554 | wpa_driver_bsd_deinit(void *priv) | |
1555 | { | |
86b24ea9 | 1556 | struct bsd_driver_data *drv = priv; |
6fc6879b | 1557 | |
4a867032 | 1558 | wpa_driver_bsd_set_wpa(drv, 0); |
6fc6879b JM |
1559 | eloop_unregister_read_sock(drv->route); |
1560 | ||
1561 | /* NB: mark interface down */ | |
e1b1309b | 1562 | bsd_ctrl_iface(drv, 0); |
6fc6879b JM |
1563 | |
1564 | wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy); | |
1565 | if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0) | |
1566 | wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state", | |
1567 | __func__); | |
1568 | ||
42f34a9b MH |
1569 | if (drv->sock_xmit != NULL) |
1570 | l2_packet_deinit(drv->sock_xmit); | |
6fc6879b JM |
1571 | (void) close(drv->route); /* ioctl socket */ |
1572 | (void) close(drv->sock); /* event socket */ | |
1573 | os_free(drv); | |
1574 | } | |
1575 | ||
42f34a9b MH |
1576 | static int |
1577 | wpa_driver_bsd_get_capa(void *priv, struct wpa_driver_capa *capa) | |
1578 | { | |
86b24ea9 | 1579 | struct bsd_driver_data *drv = priv; |
42f34a9b MH |
1580 | |
1581 | os_memcpy(capa, &drv->capa, sizeof(*capa)); | |
1582 | return 0; | |
1583 | } | |
e1b1309b | 1584 | #endif /* HOSTAPD */ |
42f34a9b | 1585 | |
6fc6879b JM |
1586 | |
1587 | const struct wpa_driver_ops wpa_driver_bsd_ops = { | |
1588 | .name = "bsd", | |
66d4085f | 1589 | .desc = "BSD 802.11 support", |
e1b1309b MH |
1590 | #ifdef HOSTAPD |
1591 | .hapd_init = bsd_init, | |
1592 | .hapd_deinit = bsd_deinit, | |
1593 | .set_privacy = bsd_set_privacy, | |
1594 | .get_seqnum = bsd_get_seqnum, | |
1595 | .flush = bsd_flush, | |
e1b1309b MH |
1596 | .read_sta_data = bsd_read_sta_driver_data, |
1597 | .sta_disassoc = bsd_sta_disassoc, | |
1598 | .sta_deauth = bsd_sta_deauth, | |
e1b1309b | 1599 | #else /* HOSTAPD */ |
6fc6879b JM |
1600 | .init = wpa_driver_bsd_init, |
1601 | .deinit = wpa_driver_bsd_deinit, | |
1602 | .get_bssid = wpa_driver_bsd_get_bssid, | |
1603 | .get_ssid = wpa_driver_bsd_get_ssid, | |
6fc6879b | 1604 | .set_countermeasures = wpa_driver_bsd_set_countermeasures, |
c2e8d0a0 | 1605 | .scan2 = wpa_driver_bsd_scan, |
a65f4a57 | 1606 | .get_scan_results2 = wpa_driver_bsd_get_scan_results2, |
6fc6879b | 1607 | .deauthenticate = wpa_driver_bsd_deauthenticate, |
6fc6879b | 1608 | .associate = wpa_driver_bsd_associate, |
42f34a9b | 1609 | .get_capa = wpa_driver_bsd_get_capa, |
c5121837 | 1610 | #endif /* HOSTAPD */ |
6db1602d | 1611 | .set_freq = bsd_set_freq, |
e1b1309b MH |
1612 | .set_key = bsd_set_key, |
1613 | .set_ieee8021x = bsd_set_ieee8021x, | |
1614 | .hapd_set_ssid = bsd_set_ssid, | |
1615 | .hapd_get_ssid = bsd_get_ssid, | |
1616 | .hapd_send_eapol = bsd_send_eapol, | |
1617 | .sta_set_flags = bsd_set_sta_authorized, | |
88487b0e | 1618 | .set_generic_elem = bsd_set_opt_ie, |
e1b1309b | 1619 | }; |