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Commit | Line | Data |
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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 | ||
449a3166 RM |
50 | struct bsd_driver_global { |
51 | int sock; /* socket for 802.11 ioctls */ | |
52 | int route; /* routing socket for events */ | |
53 | char *event_buf; | |
54 | size_t event_buf_len; | |
55 | struct dl_list ifaces; /* list of interfaces */ | |
56 | }; | |
57 | ||
86b24ea9 | 58 | struct bsd_driver_data { |
449a3166 RM |
59 | struct dl_list list; |
60 | struct bsd_driver_global *global; | |
86b24ea9 MH |
61 | struct hostapd_data *hapd; /* back pointer */ |
62 | ||
86b24ea9 | 63 | struct l2_packet_data *sock_xmit;/* raw packet xmit socket */ |
86b24ea9 | 64 | char ifname[IFNAMSIZ+1]; /* interface name */ |
af060932 | 65 | int flags; |
86b24ea9 MH |
66 | unsigned int ifindex; /* interface index */ |
67 | void *ctx; | |
68 | struct wpa_driver_capa capa; /* driver capability */ | |
69 | int is_ap; /* Access point mode */ | |
70 | int prev_roaming; /* roaming state to restore on deinit */ | |
71 | int prev_privacy; /* privacy state to restore on deinit */ | |
72 | int prev_wpa; /* wpa state to restore on deinit */ | |
5dd82c63 | 73 | enum ieee80211_opmode opmode; /* operation mode */ |
86b24ea9 MH |
74 | }; |
75 | ||
66d4085f RM |
76 | /* Generic functions for hostapd and wpa_supplicant */ |
77 | ||
449a3166 RM |
78 | static struct bsd_driver_data * |
79 | bsd_get_drvindex(void *priv, unsigned int ifindex) | |
80 | { | |
81 | struct bsd_driver_global *global = priv; | |
82 | struct bsd_driver_data *drv; | |
83 | ||
84 | dl_list_for_each(drv, &global->ifaces, struct bsd_driver_data, list) { | |
85 | if (drv->ifindex == ifindex) | |
86 | return drv; | |
87 | } | |
88 | return NULL; | |
89 | } | |
90 | ||
66d4085f | 91 | static int |
0c6bdf91 | 92 | bsd_set80211(void *priv, int op, int val, const void *arg, int arg_len) |
66d4085f | 93 | { |
0c6bdf91 | 94 | struct bsd_driver_data *drv = priv; |
66d4085f RM |
95 | struct ieee80211req ireq; |
96 | ||
97 | os_memset(&ireq, 0, sizeof(ireq)); | |
0c6bdf91 | 98 | os_strlcpy(ireq.i_name, drv->ifname, sizeof(ireq.i_name)); |
66d4085f | 99 | ireq.i_type = op; |
0c6bdf91 | 100 | ireq.i_val = val; |
66d4085f | 101 | ireq.i_data = (void *) arg; |
0c6bdf91 | 102 | ireq.i_len = arg_len; |
66d4085f | 103 | |
449a3166 | 104 | if (ioctl(drv->global->sock, SIOCS80211, &ireq) < 0) { |
0c6bdf91 MH |
105 | wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, val=%u, " |
106 | "arg_len=%u]: %s", op, val, arg_len, | |
107 | strerror(errno)); | |
66d4085f RM |
108 | return -1; |
109 | } | |
110 | return 0; | |
111 | } | |
112 | ||
113 | static int | |
0c6bdf91 MH |
114 | bsd_get80211(void *priv, struct ieee80211req *ireq, int op, void *arg, |
115 | int arg_len) | |
66d4085f | 116 | { |
0c6bdf91 | 117 | struct bsd_driver_data *drv = priv; |
66d4085f | 118 | |
0c6bdf91 MH |
119 | os_memset(ireq, 0, sizeof(*ireq)); |
120 | os_strlcpy(ireq->i_name, drv->ifname, sizeof(ireq->i_name)); | |
121 | ireq->i_type = op; | |
122 | ireq->i_len = arg_len; | |
123 | ireq->i_data = arg; | |
66d4085f | 124 | |
449a3166 | 125 | if (ioctl(drv->global->sock, SIOCG80211, ireq) < 0) { |
0c6bdf91 MH |
126 | wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, " |
127 | "arg_len=%u]: %s", op, arg_len, strerror(errno)); | |
66d4085f RM |
128 | return -1; |
129 | } | |
0c6bdf91 | 130 | return 0; |
66d4085f RM |
131 | } |
132 | ||
133 | static int | |
0c6bdf91 | 134 | get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len) |
66d4085f RM |
135 | { |
136 | struct ieee80211req ireq; | |
137 | ||
0c6bdf91 | 138 | if (bsd_get80211(drv, &ireq, op, arg, arg_len) < 0) |
66d4085f | 139 | return -1; |
0c6bdf91 | 140 | return ireq.i_len; |
e1b1309b MH |
141 | } |
142 | ||
143 | static int | |
144 | set80211var(struct bsd_driver_data *drv, int op, const void *arg, int arg_len) | |
66d4085f | 145 | { |
0c6bdf91 | 146 | return bsd_set80211(drv, op, 0, arg, arg_len); |
e1b1309b MH |
147 | } |
148 | ||
149 | static int | |
150 | set80211param(struct bsd_driver_data *drv, int op, int arg) | |
151 | { | |
0c6bdf91 | 152 | return bsd_set80211(drv, op, arg, NULL, 0); |
e1b1309b MH |
153 | } |
154 | ||
155 | static int | |
8709de1a | 156 | bsd_get_ssid(void *priv, u8 *ssid, int len) |
e1b1309b MH |
157 | { |
158 | struct bsd_driver_data *drv = priv; | |
66d4085f RM |
159 | #ifdef SIOCG80211NWID |
160 | struct ieee80211_nwid nwid; | |
161 | struct ifreq ifr; | |
162 | ||
163 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 164 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
66d4085f | 165 | ifr.ifr_data = (void *)&nwid; |
449a3166 | 166 | if (ioctl(drv->global->sock, SIOCG80211NWID, &ifr) < 0 || |
66d4085f RM |
167 | nwid.i_len > IEEE80211_NWID_LEN) |
168 | return -1; | |
169 | os_memcpy(ssid, nwid.i_nwid, nwid.i_len); | |
170 | return nwid.i_len; | |
171 | #else | |
e1b1309b | 172 | return get80211var(drv, IEEE80211_IOC_SSID, ssid, IEEE80211_NWID_LEN); |
66d4085f RM |
173 | #endif |
174 | } | |
175 | ||
176 | static int | |
8709de1a | 177 | bsd_set_ssid(void *priv, const u8 *ssid, int ssid_len) |
66d4085f | 178 | { |
e1b1309b | 179 | struct bsd_driver_data *drv = priv; |
66d4085f RM |
180 | #ifdef SIOCS80211NWID |
181 | struct ieee80211_nwid nwid; | |
182 | struct ifreq ifr; | |
183 | ||
184 | os_memcpy(nwid.i_nwid, ssid, ssid_len); | |
185 | nwid.i_len = ssid_len; | |
186 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 187 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
66d4085f | 188 | ifr.ifr_data = (void *)&nwid; |
449a3166 | 189 | return ioctl(drv->global->sock, SIOCS80211NWID, &ifr); |
66d4085f | 190 | #else |
e1b1309b | 191 | return set80211var(drv, IEEE80211_IOC_SSID, ssid, ssid_len); |
66d4085f RM |
192 | #endif |
193 | } | |
194 | ||
5197244a | 195 | static int |
e1b1309b | 196 | bsd_get_if_media(void *priv) |
5197244a | 197 | { |
e1b1309b | 198 | struct bsd_driver_data *drv = priv; |
5197244a MH |
199 | struct ifmediareq ifmr; |
200 | ||
201 | os_memset(&ifmr, 0, sizeof(ifmr)); | |
e1b1309b | 202 | os_strlcpy(ifmr.ifm_name, drv->ifname, sizeof(ifmr.ifm_name)); |
5197244a | 203 | |
449a3166 | 204 | if (ioctl(drv->global->sock, SIOCGIFMEDIA, &ifmr) < 0) { |
5197244a MH |
205 | wpa_printf(MSG_ERROR, "%s: SIOCGIFMEDIA %s", __func__, |
206 | strerror(errno)); | |
207 | return -1; | |
208 | } | |
209 | ||
210 | return ifmr.ifm_current; | |
211 | } | |
212 | ||
213 | static int | |
e1b1309b | 214 | bsd_set_if_media(void *priv, int media) |
5197244a | 215 | { |
e1b1309b | 216 | struct bsd_driver_data *drv = priv; |
5197244a MH |
217 | struct ifreq ifr; |
218 | ||
219 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 220 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
5197244a MH |
221 | ifr.ifr_media = media; |
222 | ||
449a3166 | 223 | if (ioctl(drv->global->sock, SIOCSIFMEDIA, &ifr) < 0) { |
5197244a MH |
224 | wpa_printf(MSG_ERROR, "%s: SIOCSIFMEDIA %s", __func__, |
225 | strerror(errno)); | |
226 | return -1; | |
227 | } | |
228 | ||
229 | return 0; | |
230 | } | |
231 | ||
232 | static int | |
e1b1309b | 233 | bsd_set_mediaopt(void *priv, uint32_t mask, uint32_t mode) |
5197244a | 234 | { |
e1b1309b | 235 | int media = bsd_get_if_media(priv); |
5197244a MH |
236 | |
237 | if (media < 0) | |
238 | return -1; | |
239 | media &= ~mask; | |
240 | media |= mode; | |
e1b1309b | 241 | if (bsd_set_if_media(priv, media) < 0) |
5197244a MH |
242 | return -1; |
243 | return 0; | |
244 | } | |
245 | ||
cbdecd2b | 246 | static int |
e1b1309b | 247 | bsd_del_key(void *priv, const u8 *addr, int key_idx) |
cbdecd2b MH |
248 | { |
249 | struct ieee80211req_del_key wk; | |
250 | ||
251 | os_memset(&wk, 0, sizeof(wk)); | |
252 | if (addr == NULL) { | |
253 | wpa_printf(MSG_DEBUG, "%s: key_idx=%d", __func__, key_idx); | |
254 | wk.idk_keyix = key_idx; | |
255 | } else { | |
256 | wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, | |
257 | MAC2STR(addr)); | |
258 | os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN); | |
259 | wk.idk_keyix = (u_int8_t) IEEE80211_KEYIX_NONE; /* XXX */ | |
260 | } | |
261 | ||
e1b1309b | 262 | return set80211var(priv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk)); |
cbdecd2b MH |
263 | } |
264 | ||
fa6b8afe | 265 | static int |
e1b1309b | 266 | bsd_send_mlme_param(void *priv, const u8 op, const u16 reason, const u8 *addr) |
fa6b8afe MH |
267 | { |
268 | struct ieee80211req_mlme mlme; | |
269 | ||
270 | os_memset(&mlme, 0, sizeof(mlme)); | |
271 | mlme.im_op = op; | |
272 | mlme.im_reason = reason; | |
273 | os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); | |
e1b1309b | 274 | return set80211var(priv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)); |
fa6b8afe MH |
275 | } |
276 | ||
60bc3033 | 277 | static int |
e1b1309b | 278 | bsd_ctrl_iface(void *priv, int enable) |
60bc3033 | 279 | { |
e1b1309b | 280 | struct bsd_driver_data *drv = priv; |
60bc3033 MH |
281 | struct ifreq ifr; |
282 | ||
283 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 284 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
60bc3033 | 285 | |
449a3166 | 286 | if (ioctl(drv->global->sock, SIOCGIFFLAGS, &ifr) < 0) { |
a193231d JM |
287 | wpa_printf(MSG_ERROR, "ioctl[SIOCGIFFLAGS]: %s", |
288 | strerror(errno)); | |
60bc3033 MH |
289 | return -1; |
290 | } | |
af060932 | 291 | drv->flags = ifr.ifr_flags; |
60bc3033 | 292 | |
cb76af8a RP |
293 | if (enable) { |
294 | if (ifr.ifr_flags & IFF_UP) | |
295 | return 0; | |
60bc3033 | 296 | ifr.ifr_flags |= IFF_UP; |
cb76af8a RP |
297 | } else { |
298 | if (!(ifr.ifr_flags & IFF_UP)) | |
299 | return 0; | |
60bc3033 | 300 | ifr.ifr_flags &= ~IFF_UP; |
cb76af8a | 301 | } |
60bc3033 | 302 | |
449a3166 | 303 | if (ioctl(drv->global->sock, SIOCSIFFLAGS, &ifr) < 0) { |
a193231d JM |
304 | wpa_printf(MSG_ERROR, "ioctl[SIOCSIFFLAGS]: %s", |
305 | strerror(errno)); | |
60bc3033 MH |
306 | return -1; |
307 | } | |
308 | ||
af060932 | 309 | drv->flags = ifr.ifr_flags; |
60bc3033 MH |
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; | |
e706d2d3 | 319 | #ifdef IEEE80211_KEY_NOREPLAY |
5dd82c63 | 320 | struct bsd_driver_data *drv = priv; |
e706d2d3 | 321 | #endif /* IEEE80211_KEY_NOREPLAY */ |
719196b1 MH |
322 | |
323 | wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%p key_idx=%d set_tx=%d " | |
324 | "seq_len=%zu key_len=%zu", __func__, alg, addr, key_idx, | |
325 | set_tx, seq_len, key_len); | |
326 | ||
e1b1309b MH |
327 | if (alg == WPA_ALG_NONE) { |
328 | #ifndef HOSTAPD | |
0382097e | 329 | if (addr == NULL || is_broadcast_ether_addr(addr)) |
e1b1309b MH |
330 | return bsd_del_key(priv, NULL, key_idx); |
331 | else | |
332 | #endif /* HOSTAPD */ | |
333 | return bsd_del_key(priv, addr, key_idx); | |
334 | } | |
335 | ||
719196b1 MH |
336 | os_memset(&wk, 0, sizeof(wk)); |
337 | switch (alg) { | |
338 | case WPA_ALG_WEP: | |
339 | wk.ik_type = IEEE80211_CIPHER_WEP; | |
340 | break; | |
341 | case WPA_ALG_TKIP: | |
342 | wk.ik_type = IEEE80211_CIPHER_TKIP; | |
343 | break; | |
344 | case WPA_ALG_CCMP: | |
345 | wk.ik_type = IEEE80211_CIPHER_AES_CCM; | |
346 | break; | |
347 | default: | |
348 | wpa_printf(MSG_ERROR, "%s: unknown alg=%d", __func__, alg); | |
349 | return -1; | |
350 | } | |
351 | ||
352 | wk.ik_flags = IEEE80211_KEY_RECV; | |
353 | if (set_tx) | |
354 | wk.ik_flags |= IEEE80211_KEY_XMIT; | |
355 | ||
356 | if (addr == NULL) { | |
357 | os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); | |
358 | wk.ik_keyix = key_idx; | |
359 | } else { | |
360 | os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); | |
361 | /* | |
362 | * Deduce whether group/global or unicast key by checking | |
363 | * the address (yech). Note also that we can only mark global | |
364 | * keys default; doing this for a unicast key is an error. | |
365 | */ | |
0382097e | 366 | if (is_broadcast_ether_addr(addr)) { |
719196b1 MH |
367 | wk.ik_flags |= IEEE80211_KEY_GROUP; |
368 | wk.ik_keyix = key_idx; | |
369 | } else { | |
370 | wk.ik_keyix = key_idx == 0 ? IEEE80211_KEYIX_NONE : | |
371 | key_idx; | |
372 | } | |
373 | } | |
374 | if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx) | |
375 | wk.ik_flags |= IEEE80211_KEY_DEFAULT; | |
5dd82c63 | 376 | #ifndef HOSTAPD |
e706d2d3 | 377 | #ifdef IEEE80211_KEY_NOREPLAY |
5dd82c63 RP |
378 | /* |
379 | * Ignore replay failures in IBSS and AHDEMO mode. | |
380 | */ | |
381 | if (drv->opmode == IEEE80211_M_IBSS || | |
382 | drv->opmode == IEEE80211_M_AHDEMO) | |
383 | wk.ik_flags |= IEEE80211_KEY_NOREPLAY; | |
e706d2d3 | 384 | #endif /* IEEE80211_KEY_NOREPLAY */ |
5dd82c63 | 385 | #endif /* HOSTAPD */ |
719196b1 | 386 | wk.ik_keylen = key_len; |
c3b0a1c8 ZY |
387 | if (seq) { |
388 | #ifdef WORDS_BIGENDIAN | |
389 | /* | |
390 | * wk.ik_keyrsc is in host byte order (big endian), need to | |
391 | * swap it to match with the byte order used in WPA. | |
392 | */ | |
393 | int i; | |
394 | u8 *keyrsc = (u8 *) &wk.ik_keyrsc; | |
395 | for (i = 0; i < seq_len; i++) | |
396 | keyrsc[WPA_KEY_RSC_LEN - i - 1] = seq[i]; | |
397 | #else /* WORDS_BIGENDIAN */ | |
da64c266 | 398 | os_memcpy(&wk.ik_keyrsc, seq, seq_len); |
c3b0a1c8 ZY |
399 | #endif /* WORDS_BIGENDIAN */ |
400 | } | |
719196b1 MH |
401 | os_memcpy(wk.ik_keydata, key, key_len); |
402 | ||
e1b1309b | 403 | return set80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)); |
719196b1 MH |
404 | } |
405 | ||
c5121837 | 406 | static int |
e1b1309b | 407 | bsd_configure_wpa(void *priv, struct wpa_bss_params *params) |
c5121837 | 408 | { |
88487b0e | 409 | #ifndef IEEE80211_IOC_APPIE |
c5121837 JM |
410 | static const char *ciphernames[] = |
411 | { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" }; | |
c5121837 JM |
412 | int v; |
413 | ||
af586419 | 414 | switch (params->wpa_group) { |
c5121837 JM |
415 | case WPA_CIPHER_CCMP: |
416 | v = IEEE80211_CIPHER_AES_CCM; | |
417 | break; | |
418 | case WPA_CIPHER_TKIP: | |
419 | v = IEEE80211_CIPHER_TKIP; | |
420 | break; | |
421 | case WPA_CIPHER_WEP104: | |
422 | v = IEEE80211_CIPHER_WEP; | |
423 | break; | |
424 | case WPA_CIPHER_WEP40: | |
425 | v = IEEE80211_CIPHER_WEP; | |
426 | break; | |
427 | case WPA_CIPHER_NONE: | |
428 | v = IEEE80211_CIPHER_NONE; | |
429 | break; | |
430 | default: | |
a193231d JM |
431 | wpa_printf(MSG_INFO, "Unknown group key cipher %u", |
432 | params->wpa_group); | |
c5121837 JM |
433 | return -1; |
434 | } | |
435 | wpa_printf(MSG_DEBUG, "%s: group key cipher=%s (%u)", | |
436 | __func__, ciphernames[v], v); | |
e1b1309b | 437 | if (set80211param(priv, IEEE80211_IOC_MCASTCIPHER, v)) { |
a193231d JM |
438 | wpa_printf(MSG_INFO, |
439 | "Unable to set group key cipher to %u (%s)", | |
440 | v, ciphernames[v]); | |
c5121837 JM |
441 | return -1; |
442 | } | |
443 | if (v == IEEE80211_CIPHER_WEP) { | |
444 | /* key length is done only for specific ciphers */ | |
af586419 | 445 | v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5); |
e1b1309b | 446 | if (set80211param(priv, IEEE80211_IOC_MCASTKEYLEN, v)) { |
a193231d JM |
447 | wpa_printf(MSG_INFO, |
448 | "Unable to set group key length to %u", v); | |
c5121837 JM |
449 | return -1; |
450 | } | |
451 | } | |
452 | ||
453 | v = 0; | |
af586419 | 454 | if (params->wpa_pairwise & WPA_CIPHER_CCMP) |
c5121837 | 455 | v |= 1<<IEEE80211_CIPHER_AES_CCM; |
af586419 | 456 | if (params->wpa_pairwise & WPA_CIPHER_TKIP) |
c5121837 | 457 | v |= 1<<IEEE80211_CIPHER_TKIP; |
af586419 | 458 | if (params->wpa_pairwise & WPA_CIPHER_NONE) |
c5121837 JM |
459 | v |= 1<<IEEE80211_CIPHER_NONE; |
460 | wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v); | |
e1b1309b | 461 | if (set80211param(priv, IEEE80211_IOC_UCASTCIPHERS, v)) { |
a193231d JM |
462 | wpa_printf(MSG_INFO, |
463 | "Unable to set pairwise key ciphers to 0x%x", v); | |
c5121837 JM |
464 | return -1; |
465 | } | |
466 | ||
467 | wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x", | |
af586419 | 468 | __func__, params->wpa_key_mgmt); |
e1b1309b MH |
469 | if (set80211param(priv, IEEE80211_IOC_KEYMGTALGS, |
470 | params->wpa_key_mgmt)) { | |
a193231d JM |
471 | wpa_printf(MSG_INFO, |
472 | "Unable to set key management algorithms to 0x%x", | |
473 | params->wpa_key_mgmt); | |
c5121837 JM |
474 | return -1; |
475 | } | |
476 | ||
477 | v = 0; | |
af586419 | 478 | if (params->rsn_preauth) |
c5121837 JM |
479 | v |= BIT(0); |
480 | wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x", | |
af586419 | 481 | __func__, params->rsn_preauth); |
e1b1309b | 482 | if (set80211param(priv, IEEE80211_IOC_RSNCAPS, v)) { |
a193231d JM |
483 | wpa_printf(MSG_INFO, "Unable to set RSN capabilities to 0x%x", |
484 | v); | |
c5121837 JM |
485 | return -1; |
486 | } | |
88487b0e | 487 | #endif /* IEEE80211_IOC_APPIE */ |
c5121837 | 488 | |
af586419 | 489 | wpa_printf(MSG_DEBUG, "%s: enable WPA= 0x%x", __func__, params->wpa); |
e1b1309b | 490 | if (set80211param(priv, IEEE80211_IOC_WPA, params->wpa)) { |
a193231d | 491 | wpa_printf(MSG_INFO, "Unable to set WPA to %u", params->wpa); |
c5121837 JM |
492 | return -1; |
493 | } | |
494 | return 0; | |
495 | } | |
496 | ||
c5121837 | 497 | static int |
e1b1309b | 498 | bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params) |
c5121837 | 499 | { |
af586419 | 500 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled); |
c5121837 | 501 | |
af586419 | 502 | if (!params->enabled) { |
c5121837 | 503 | /* XXX restore state */ |
e1b1309b MH |
504 | return set80211param(priv, IEEE80211_IOC_AUTHMODE, |
505 | IEEE80211_AUTH_AUTO); | |
c5121837 | 506 | } |
af586419 | 507 | if (!params->wpa && !params->ieee802_1x) { |
42f34a9b MH |
508 | wpa_printf(MSG_ERROR, "%s: No 802.1X or WPA enabled", |
509 | __func__); | |
c5121837 JM |
510 | return -1; |
511 | } | |
e1b1309b | 512 | if (params->wpa && bsd_configure_wpa(priv, params) != 0) { |
42f34a9b MH |
513 | wpa_printf(MSG_ERROR, "%s: Failed to configure WPA state", |
514 | __func__); | |
c5121837 JM |
515 | return -1; |
516 | } | |
e1b1309b | 517 | if (set80211param(priv, IEEE80211_IOC_AUTHMODE, |
af586419 | 518 | (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) { |
42f34a9b MH |
519 | wpa_printf(MSG_ERROR, "%s: Failed to enable WPA/802.1X", |
520 | __func__); | |
c5121837 JM |
521 | return -1; |
522 | } | |
e1b1309b | 523 | return bsd_ctrl_iface(priv, 1); |
c5121837 JM |
524 | } |
525 | ||
42f34a9b | 526 | static void |
e1b1309b | 527 | bsd_new_sta(void *priv, void *ctx, u8 addr[IEEE80211_ADDR_LEN]) |
42f34a9b MH |
528 | { |
529 | struct ieee80211req_wpaie ie; | |
530 | int ielen = 0; | |
531 | u8 *iebuf = NULL; | |
532 | ||
533 | /* | |
534 | * Fetch and validate any negotiated WPA/RSN parameters. | |
535 | */ | |
536 | memset(&ie, 0, sizeof(ie)); | |
537 | memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN); | |
e1b1309b | 538 | if (get80211var(priv, IEEE80211_IOC_WPAIE, &ie, sizeof(ie)) < 0) { |
a193231d JM |
539 | wpa_printf(MSG_INFO, |
540 | "Failed to get WPA/RSN information element"); | |
42f34a9b MH |
541 | goto no_ie; |
542 | } | |
543 | iebuf = ie.wpa_ie; | |
544 | ielen = ie.wpa_ie[1]; | |
545 | if (ielen == 0) | |
546 | iebuf = NULL; | |
547 | else | |
548 | ielen += 2; | |
549 | ||
550 | no_ie: | |
39b08b5f | 551 | drv_event_assoc(ctx, addr, iebuf, ielen, 0); |
42f34a9b MH |
552 | } |
553 | ||
554 | static int | |
e1b1309b | 555 | bsd_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len, |
4378fc14 | 556 | int encrypt, const u8 *own_addr, u32 flags) |
42f34a9b | 557 | { |
e1b1309b MH |
558 | struct bsd_driver_data *drv = priv; |
559 | ||
42f34a9b MH |
560 | wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", data, data_len); |
561 | ||
e1b1309b MH |
562 | return l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, data, |
563 | data_len); | |
c5121837 JM |
564 | } |
565 | ||
566 | static int | |
6db1602d | 567 | bsd_set_freq(void *priv, struct hostapd_freq_params *freq) |
42f34a9b | 568 | { |
e1b1309b | 569 | struct bsd_driver_data *drv = priv; |
aba7569e | 570 | #ifdef SIOCS80211CHANNEL |
42f34a9b | 571 | struct ieee80211chanreq creq; |
362468d1 | 572 | #endif /* SIOCS80211CHANNEL */ |
42f34a9b | 573 | u32 mode; |
6db1602d | 574 | int channel = freq->channel; |
42f34a9b | 575 | |
ca79385a YZ |
576 | if (channel < 14) { |
577 | mode = | |
578 | #ifdef CONFIG_IEEE80211N | |
579 | freq->ht_enabled ? IFM_IEEE80211_11NG : | |
580 | #endif /* CONFIG_IEEE80211N */ | |
581 | IFM_IEEE80211_11G; | |
582 | } else if (channel == 14) { | |
42f34a9b | 583 | mode = IFM_IEEE80211_11B; |
ca79385a YZ |
584 | } else { |
585 | mode = | |
586 | #ifdef CONFIG_IEEE80211N | |
587 | freq->ht_enabled ? IFM_IEEE80211_11NA : | |
588 | #endif /* CONFIG_IEEE80211N */ | |
589 | IFM_IEEE80211_11A; | |
590 | } | |
e1b1309b | 591 | if (bsd_set_mediaopt(drv, IFM_MMASK, mode) < 0) { |
42f34a9b MH |
592 | wpa_printf(MSG_ERROR, "%s: failed to set modulation mode", |
593 | __func__); | |
594 | return -1; | |
595 | } | |
596 | ||
362468d1 | 597 | #ifdef SIOCS80211CHANNEL |
42f34a9b | 598 | os_memset(&creq, 0, sizeof(creq)); |
e1b1309b | 599 | os_strlcpy(creq.i_name, drv->ifname, sizeof(creq.i_name)); |
6db1602d | 600 | creq.i_channel = (u_int16_t)channel; |
449a3166 | 601 | return ioctl(drv->global->sock, SIOCS80211CHANNEL, &creq); |
362468d1 MH |
602 | #else /* SIOCS80211CHANNEL */ |
603 | return set80211param(priv, IEEE80211_IOC_CHANNEL, channel); | |
604 | #endif /* SIOCS80211CHANNEL */ | |
42f34a9b MH |
605 | } |
606 | ||
88487b0e | 607 | static int |
aa484516 | 608 | bsd_set_opt_ie(void *priv, const u8 *ie, size_t ie_len) |
88487b0e MH |
609 | { |
610 | #ifdef IEEE80211_IOC_APPIE | |
88487b0e MH |
611 | wpa_printf(MSG_DEBUG, "%s: set WPA+RSN ie (len %lu)", __func__, |
612 | (unsigned long)ie_len); | |
0c6bdf91 MH |
613 | return bsd_set80211(priv, IEEE80211_IOC_APPIE, IEEE80211_APPIE_WPA, |
614 | ie, ie_len); | |
88487b0e MH |
615 | #endif /* IEEE80211_IOC_APPIE */ |
616 | return 0; | |
617 | } | |
618 | ||
38bbd06e | 619 | static size_t |
28878f8b MH |
620 | rtbuf_len(void) |
621 | { | |
622 | size_t len; | |
623 | ||
d4a747f0 | 624 | int mib[6] = {CTL_NET, AF_ROUTE, 0, AF_INET, NET_RT_DUMP, 0}; |
28878f8b MH |
625 | |
626 | if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) { | |
a193231d | 627 | wpa_printf(MSG_WARNING, "%s failed: %s", __func__, |
28878f8b | 628 | strerror(errno)); |
d4a747f0 | 629 | len = 2048; |
28878f8b MH |
630 | } |
631 | ||
632 | return len; | |
633 | } | |
42f34a9b MH |
634 | |
635 | #ifdef HOSTAPD | |
636 | ||
637 | /* | |
638 | * Avoid conflicts with hostapd definitions by undefining couple of defines | |
639 | * from net80211 header files. | |
640 | */ | |
641 | #undef RSN_VERSION | |
642 | #undef WPA_VERSION | |
643 | #undef WPA_OUI_TYPE | |
644 | ||
42f34a9b MH |
645 | static int bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, |
646 | int reason_code); | |
647 | ||
42f34a9b MH |
648 | static const char * |
649 | ether_sprintf(const u8 *addr) | |
650 | { | |
651 | static char buf[sizeof(MACSTR)]; | |
652 | ||
653 | if (addr != NULL) | |
654 | snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr)); | |
655 | else | |
656 | snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0); | |
657 | return buf; | |
658 | } | |
659 | ||
42f34a9b | 660 | static int |
d5dd016a | 661 | bsd_set_privacy(void *priv, int enabled) |
c5121837 | 662 | { |
42f34a9b MH |
663 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
664 | ||
e1b1309b | 665 | return set80211param(priv, IEEE80211_IOC_PRIVACY, enabled); |
c5121837 JM |
666 | } |
667 | ||
c5121837 JM |
668 | static int |
669 | bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx, | |
670 | u8 *seq) | |
671 | { | |
c5121837 JM |
672 | struct ieee80211req_key wk; |
673 | ||
674 | wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d", | |
675 | __func__, ether_sprintf(addr), idx); | |
676 | ||
677 | memset(&wk, 0, sizeof(wk)); | |
678 | if (addr == NULL) | |
679 | memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); | |
680 | else | |
681 | memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); | |
682 | wk.ik_keyix = idx; | |
683 | ||
e1b1309b | 684 | if (get80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)) < 0) { |
a193231d | 685 | wpa_printf(MSG_INFO, "Failed to get encryption"); |
c5121837 JM |
686 | return -1; |
687 | } | |
688 | ||
689 | #ifdef WORDS_BIGENDIAN | |
690 | { | |
691 | /* | |
692 | * wk.ik_keytsc is in host byte order (big endian), need to | |
693 | * swap it to match with the byte order used in WPA. | |
694 | */ | |
695 | int i; | |
696 | u8 tmp[WPA_KEY_RSC_LEN]; | |
697 | memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); | |
698 | for (i = 0; i < WPA_KEY_RSC_LEN; i++) { | |
699 | seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1]; | |
700 | } | |
701 | } | |
702 | #else /* WORDS_BIGENDIAN */ | |
703 | memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); | |
704 | #endif /* WORDS_BIGENDIAN */ | |
705 | return 0; | |
706 | } | |
707 | ||
708 | ||
709 | static int | |
710 | bsd_flush(void *priv) | |
711 | { | |
712 | u8 allsta[IEEE80211_ADDR_LEN]; | |
713 | ||
714 | memset(allsta, 0xff, IEEE80211_ADDR_LEN); | |
731723a5 | 715 | return bsd_sta_deauth(priv, NULL, allsta, IEEE80211_REASON_AUTH_LEAVE); |
c5121837 JM |
716 | } |
717 | ||
718 | ||
719 | static int | |
720 | bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data, | |
721 | const u8 *addr) | |
722 | { | |
c5121837 JM |
723 | struct ieee80211req_sta_stats stats; |
724 | ||
725 | memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN); | |
e1b1309b MH |
726 | if (get80211var(priv, IEEE80211_IOC_STA_STATS, &stats, sizeof(stats)) |
727 | > 0) { | |
c5121837 JM |
728 | /* XXX? do packets counts include non-data frames? */ |
729 | data->rx_packets = stats.is_stats.ns_rx_data; | |
730 | data->rx_bytes = stats.is_stats.ns_rx_bytes; | |
731 | data->tx_packets = stats.is_stats.ns_tx_data; | |
732 | data->tx_bytes = stats.is_stats.ns_tx_bytes; | |
733 | } | |
734 | return 0; | |
735 | } | |
736 | ||
c5121837 | 737 | static int |
731723a5 | 738 | bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason_code) |
c5121837 | 739 | { |
e1b1309b MH |
740 | return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code, |
741 | addr); | |
c5121837 JM |
742 | } |
743 | ||
744 | static int | |
731723a5 JM |
745 | bsd_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, |
746 | int reason_code) | |
c5121837 | 747 | { |
e1b1309b MH |
748 | return bsd_send_mlme_param(priv, IEEE80211_MLME_DISASSOC, reason_code, |
749 | addr); | |
c5121837 JM |
750 | } |
751 | ||
c5121837 JM |
752 | static void |
753 | bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx) | |
754 | { | |
449a3166 RM |
755 | struct bsd_driver_global *global = sock_ctx; |
756 | struct bsd_driver_data *drv; | |
c5121837 JM |
757 | struct if_announcemsghdr *ifan; |
758 | struct rt_msghdr *rtm; | |
759 | struct ieee80211_michael_event *mic; | |
760 | struct ieee80211_join_event *join; | |
761 | struct ieee80211_leave_event *leave; | |
38bbd06e | 762 | int n; |
1cd973d5 | 763 | union wpa_event_data data; |
c5121837 | 764 | |
449a3166 | 765 | n = read(sock, global->event_buf, global->event_buf_len); |
c5121837 JM |
766 | if (n < 0) { |
767 | if (errno != EINTR && errno != EAGAIN) | |
a193231d | 768 | wpa_printf(MSG_ERROR, "%s read() failed: %s", |
28878f8b | 769 | __func__, strerror(errno)); |
c5121837 JM |
770 | return; |
771 | } | |
772 | ||
449a3166 | 773 | rtm = (struct rt_msghdr *) global->event_buf; |
c5121837 | 774 | if (rtm->rtm_version != RTM_VERSION) { |
28878f8b MH |
775 | wpa_printf(MSG_DEBUG, "Invalid routing message version=%d", |
776 | rtm->rtm_version); | |
c5121837 JM |
777 | return; |
778 | } | |
c5121837 JM |
779 | switch (rtm->rtm_type) { |
780 | case RTM_IEEE80211: | |
449a3166 | 781 | ifan = (struct if_announcemsghdr *) rtm; |
dc0ad603 RM |
782 | drv = bsd_get_drvindex(global, ifan->ifan_index); |
783 | if (drv == NULL) | |
784 | return; | |
c5121837 JM |
785 | switch (ifan->ifan_what) { |
786 | case RTM_IEEE80211_ASSOC: | |
787 | case RTM_IEEE80211_REASSOC: | |
788 | case RTM_IEEE80211_DISASSOC: | |
789 | case RTM_IEEE80211_SCAN: | |
790 | break; | |
791 | case RTM_IEEE80211_LEAVE: | |
792 | leave = (struct ieee80211_leave_event *) &ifan[1]; | |
69378b79 | 793 | drv_event_disassoc(drv->hapd, leave->iev_addr); |
c5121837 JM |
794 | break; |
795 | case RTM_IEEE80211_JOIN: | |
796 | #ifdef RTM_IEEE80211_REJOIN | |
797 | case RTM_IEEE80211_REJOIN: | |
798 | #endif | |
799 | join = (struct ieee80211_join_event *) &ifan[1]; | |
e1b1309b | 800 | bsd_new_sta(drv, drv->hapd, join->iev_addr); |
c5121837 JM |
801 | break; |
802 | case RTM_IEEE80211_REPLAY: | |
803 | /* ignore */ | |
804 | break; | |
805 | case RTM_IEEE80211_MICHAEL: | |
806 | mic = (struct ieee80211_michael_event *) &ifan[1]; | |
807 | wpa_printf(MSG_DEBUG, | |
808 | "Michael MIC failure wireless event: " | |
809 | "keyix=%u src_addr=" MACSTR, mic->iev_keyix, | |
810 | MAC2STR(mic->iev_src)); | |
1cd973d5 JM |
811 | os_memset(&data, 0, sizeof(data)); |
812 | data.michael_mic_failure.unicast = 1; | |
813 | data.michael_mic_failure.src = mic->iev_src; | |
814 | wpa_supplicant_event(drv->hapd, | |
815 | EVENT_MICHAEL_MIC_FAILURE, &data); | |
c5121837 JM |
816 | break; |
817 | } | |
818 | break; | |
819 | } | |
820 | } | |
821 | ||
c5121837 JM |
822 | static void |
823 | handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) | |
824 | { | |
825 | struct bsd_driver_data *drv = ctx; | |
d3737256 | 826 | drv_event_eapol_rx(drv->hapd, src_addr, buf, len); |
c5121837 JM |
827 | } |
828 | ||
c5121837 | 829 | static void * |
92f475b4 | 830 | bsd_init(struct hostapd_data *hapd, struct wpa_init_params *params) |
c5121837 JM |
831 | { |
832 | struct bsd_driver_data *drv; | |
833 | ||
834 | drv = os_zalloc(sizeof(struct bsd_driver_data)); | |
835 | if (drv == NULL) { | |
bfdc2a31 JM |
836 | wpa_printf(MSG_ERROR, "Could not allocate memory for bsd driver data"); |
837 | return NULL; | |
c5121837 JM |
838 | } |
839 | ||
449a3166 RM |
840 | drv->ifindex = if_nametoindex(params->ifname); |
841 | if (drv->ifindex == 0) { | |
842 | wpa_printf(MSG_DEBUG, "%s: interface %s does not exist", | |
843 | __func__, params->ifname); | |
38bbd06e MH |
844 | goto bad; |
845 | } | |
846 | ||
c5121837 | 847 | drv->hapd = hapd; |
449a3166 | 848 | drv->global = params->global_priv; |
6850c707 | 849 | os_strlcpy(drv->ifname, params->ifname, sizeof(drv->ifname)); |
c5121837 | 850 | |
6850c707 | 851 | drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL, |
d3737256 | 852 | handle_read, drv, 0); |
c5121837 JM |
853 | if (drv->sock_xmit == NULL) |
854 | goto bad; | |
412036f5 | 855 | if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr)) |
c5121837 JM |
856 | goto bad; |
857 | ||
60bc3033 | 858 | /* mark down during setup */ |
e1b1309b | 859 | if (bsd_ctrl_iface(drv, 0) < 0) |
60bc3033 | 860 | goto bad; |
6850c707 | 861 | |
e1b1309b | 862 | if (bsd_set_mediaopt(drv, IFM_OMASK, IFM_IEEE80211_HOSTAP) < 0) { |
5197244a MH |
863 | wpa_printf(MSG_ERROR, "%s: failed to set operation mode", |
864 | __func__); | |
865 | goto bad; | |
866 | } | |
867 | ||
449a3166 RM |
868 | dl_list_add(&drv->global->ifaces, &drv->list); |
869 | ||
c5121837 JM |
870 | return drv; |
871 | bad: | |
872 | if (drv->sock_xmit != NULL) | |
873 | l2_packet_deinit(drv->sock_xmit); | |
6ce1bea1 | 874 | os_free(drv); |
c5121837 JM |
875 | return NULL; |
876 | } | |
877 | ||
878 | ||
879 | static void | |
880 | bsd_deinit(void *priv) | |
881 | { | |
882 | struct bsd_driver_data *drv = priv; | |
883 | ||
e1b1309b | 884 | bsd_ctrl_iface(drv, 0); |
c5121837 JM |
885 | if (drv->sock_xmit != NULL) |
886 | l2_packet_deinit(drv->sock_xmit); | |
82f36163 | 887 | os_free(drv); |
c5121837 JM |
888 | } |
889 | ||
c69ed4dd MH |
890 | |
891 | static int | |
892 | bsd_commit(void *priv) | |
893 | { | |
894 | return bsd_ctrl_iface(priv, 1); | |
895 | } | |
896 | ||
897 | ||
898 | static int | |
899 | bsd_set_sta_authorized(void *priv, const u8 *addr, | |
f97e3ce4 JM |
900 | unsigned int total_flags, unsigned int flags_or, |
901 | unsigned int flags_and) | |
c69ed4dd MH |
902 | { |
903 | int authorized = -1; | |
904 | ||
905 | /* For now, only support setting Authorized flag */ | |
906 | if (flags_or & WPA_STA_AUTHORIZED) | |
907 | authorized = 1; | |
908 | if (!(flags_and & WPA_STA_AUTHORIZED)) | |
909 | authorized = 0; | |
910 | ||
911 | if (authorized < 0) | |
912 | return 0; | |
913 | ||
914 | return bsd_send_mlme_param(priv, authorized ? | |
915 | IEEE80211_MLME_AUTHORIZE : | |
916 | IEEE80211_MLME_UNAUTHORIZE, 0, addr); | |
917 | } | |
c5121837 JM |
918 | #else /* HOSTAPD */ |
919 | ||
6fc6879b | 920 | static int |
86b24ea9 | 921 | get80211param(struct bsd_driver_data *drv, int op) |
6fc6879b JM |
922 | { |
923 | struct ieee80211req ireq; | |
924 | ||
0c6bdf91 | 925 | if (bsd_get80211(drv, &ireq, op, NULL, 0) < 0) |
6fc6879b | 926 | return -1; |
6fc6879b JM |
927 | return ireq.i_val; |
928 | } | |
929 | ||
6fc6879b JM |
930 | static int |
931 | wpa_driver_bsd_get_bssid(void *priv, u8 *bssid) | |
932 | { | |
86b24ea9 | 933 | struct bsd_driver_data *drv = priv; |
66d4085f | 934 | #ifdef SIOCG80211BSSID |
a65f4a57 | 935 | struct ieee80211_bssid bs; |
6fc6879b | 936 | |
e1b1309b | 937 | os_strlcpy(bs.i_name, drv->ifname, sizeof(bs.i_name)); |
449a3166 | 938 | if (ioctl(drv->global->sock, SIOCG80211BSSID, &bs) < 0) |
a65f4a57 MH |
939 | return -1; |
940 | os_memcpy(bssid, bs.i_bssid, sizeof(bs.i_bssid)); | |
941 | return 0; | |
942 | #else | |
6fc6879b JM |
943 | return get80211var(drv, IEEE80211_IOC_BSSID, |
944 | bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0; | |
a65f4a57 | 945 | #endif |
6fc6879b JM |
946 | } |
947 | ||
6fc6879b JM |
948 | static int |
949 | wpa_driver_bsd_get_ssid(void *priv, u8 *ssid) | |
950 | { | |
86b24ea9 | 951 | struct bsd_driver_data *drv = priv; |
c1bbb0ce | 952 | return bsd_get_ssid(drv, ssid, 0); |
6fc6879b JM |
953 | } |
954 | ||
955 | static int | |
86b24ea9 MH |
956 | wpa_driver_bsd_set_wpa_ie(struct bsd_driver_data *drv, const u8 *wpa_ie, |
957 | size_t wpa_ie_len) | |
6fc6879b | 958 | { |
c610dba1 | 959 | #ifdef IEEE80211_IOC_APPIE |
aa484516 | 960 | return bsd_set_opt_ie(drv, wpa_ie, wpa_ie_len); |
c610dba1 | 961 | #else /* IEEE80211_IOC_APPIE */ |
6fc6879b | 962 | return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len); |
c610dba1 | 963 | #endif /* IEEE80211_IOC_APPIE */ |
6fc6879b JM |
964 | } |
965 | ||
966 | static int | |
967 | wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy) | |
968 | { | |
6fc6879b JM |
969 | int ret = 0; |
970 | ||
971 | wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d", | |
5f17b2c6 | 972 | __func__, wpa, privacy); |
6fc6879b | 973 | |
e1b1309b | 974 | if (!wpa && wpa_driver_bsd_set_wpa_ie(priv, NULL, 0) < 0) |
6fc6879b | 975 | ret = -1; |
e1b1309b | 976 | if (set80211param(priv, IEEE80211_IOC_PRIVACY, privacy) < 0) |
6fc6879b | 977 | ret = -1; |
e1b1309b | 978 | if (set80211param(priv, IEEE80211_IOC_WPA, wpa) < 0) |
6fc6879b JM |
979 | ret = -1; |
980 | ||
981 | return ret; | |
982 | } | |
983 | ||
984 | static int | |
985 | wpa_driver_bsd_set_wpa(void *priv, int enabled) | |
986 | { | |
5f17b2c6 | 987 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
6fc6879b JM |
988 | |
989 | return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled); | |
990 | } | |
991 | ||
6fc6879b JM |
992 | static int |
993 | wpa_driver_bsd_set_countermeasures(void *priv, int enabled) | |
994 | { | |
6fc6879b | 995 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
e1b1309b | 996 | return set80211param(priv, IEEE80211_IOC_COUNTERMEASURES, enabled); |
6fc6879b JM |
997 | } |
998 | ||
999 | ||
1000 | static int | |
1001 | wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled) | |
1002 | { | |
6fc6879b | 1003 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
e1b1309b | 1004 | return set80211param(priv, IEEE80211_IOC_DROPUNENCRYPTED, enabled); |
6fc6879b JM |
1005 | } |
1006 | ||
1007 | static int | |
1008 | wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code) | |
1009 | { | |
e1b1309b MH |
1010 | return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code, |
1011 | addr); | |
6fc6879b JM |
1012 | } |
1013 | ||
2a91091e MH |
1014 | static int |
1015 | wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg) | |
1016 | { | |
2a91091e MH |
1017 | int authmode; |
1018 | ||
abd9fafa JM |
1019 | if ((auth_alg & WPA_AUTH_ALG_OPEN) && |
1020 | (auth_alg & WPA_AUTH_ALG_SHARED)) | |
2a91091e | 1021 | authmode = IEEE80211_AUTH_AUTO; |
abd9fafa | 1022 | else if (auth_alg & WPA_AUTH_ALG_SHARED) |
2a91091e MH |
1023 | authmode = IEEE80211_AUTH_SHARED; |
1024 | else | |
1025 | authmode = IEEE80211_AUTH_OPEN; | |
1026 | ||
e1b1309b | 1027 | return set80211param(priv, IEEE80211_IOC_AUTHMODE, authmode); |
2a91091e MH |
1028 | } |
1029 | ||
42f34a9b MH |
1030 | static void |
1031 | handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) | |
1032 | { | |
86b24ea9 | 1033 | struct bsd_driver_data *drv = ctx; |
42f34a9b MH |
1034 | |
1035 | drv_event_eapol_rx(drv->ctx, src_addr, buf, len); | |
1036 | } | |
1037 | ||
6fc6879b JM |
1038 | static int |
1039 | wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params) | |
1040 | { | |
86b24ea9 | 1041 | struct bsd_driver_data *drv = priv; |
6fc6879b | 1042 | struct ieee80211req_mlme mlme; |
42f34a9b | 1043 | u32 mode; |
6fc6879b | 1044 | int privacy; |
4a867032 | 1045 | int ret = 0; |
6fc6879b JM |
1046 | |
1047 | wpa_printf(MSG_DEBUG, | |
1048 | "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u" | |
1049 | , __func__ | |
92e63aaf JM |
1050 | , (unsigned int) params->ssid_len, params->ssid |
1051 | , (unsigned int) params->wpa_ie_len | |
6fc6879b JM |
1052 | , params->pairwise_suite |
1053 | , params->group_suite | |
1054 | , params->key_mgmt_suite | |
1055 | ); | |
1056 | ||
42f34a9b MH |
1057 | switch (params->mode) { |
1058 | case IEEE80211_MODE_INFRA: | |
1059 | mode = 0 /* STA */; | |
1060 | break; | |
1061 | case IEEE80211_MODE_IBSS: | |
1062 | mode = IFM_IEEE80211_IBSS; | |
1063 | break; | |
1064 | case IEEE80211_MODE_AP: | |
1065 | mode = IFM_IEEE80211_HOSTAP; | |
1066 | break; | |
1067 | default: | |
1068 | wpa_printf(MSG_ERROR, "%s: unknown operation mode", __func__); | |
1069 | return -1; | |
1070 | } | |
e1b1309b | 1071 | if (bsd_set_mediaopt(drv, IFM_OMASK, mode) < 0) { |
42f34a9b MH |
1072 | wpa_printf(MSG_ERROR, "%s: failed to set operation mode", |
1073 | __func__); | |
1074 | return -1; | |
1075 | } | |
1076 | ||
1077 | if (params->mode == IEEE80211_MODE_AP) { | |
42f34a9b MH |
1078 | drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL, |
1079 | handle_read, drv, 0); | |
1080 | if (drv->sock_xmit == NULL) | |
1081 | return -1; | |
1082 | drv->is_ap = 1; | |
1083 | return 0; | |
1084 | } | |
1085 | ||
4a867032 JM |
1086 | if (wpa_driver_bsd_set_drop_unencrypted(drv, params->drop_unencrypted) |
1087 | < 0) | |
1088 | ret = -1; | |
1089 | if (wpa_driver_bsd_set_auth_alg(drv, params->auth_alg) < 0) | |
1090 | ret = -1; | |
6fc6879b JM |
1091 | /* XXX error handling is wrong but unclear what to do... */ |
1092 | if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0) | |
1093 | return -1; | |
6fc6879b | 1094 | |
4848a38d JM |
1095 | privacy = !(params->pairwise_suite == WPA_CIPHER_NONE && |
1096 | params->group_suite == WPA_CIPHER_NONE && | |
1097 | params->key_mgmt_suite == WPA_KEY_MGMT_NONE && | |
6fc6879b JM |
1098 | params->wpa_ie_len == 0); |
1099 | wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy); | |
1100 | ||
1101 | if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0) | |
1102 | return -1; | |
1103 | ||
1104 | if (params->wpa_ie_len && | |
1105 | set80211param(drv, IEEE80211_IOC_WPA, | |
1106 | params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0) | |
1107 | return -1; | |
1108 | ||
1109 | os_memset(&mlme, 0, sizeof(mlme)); | |
1110 | mlme.im_op = IEEE80211_MLME_ASSOC; | |
6fc6879b JM |
1111 | if (params->ssid != NULL) |
1112 | os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len); | |
1113 | mlme.im_ssid_len = params->ssid_len; | |
6fc6879b JM |
1114 | if (params->bssid != NULL) |
1115 | os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN); | |
1116 | if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0) | |
1117 | return -1; | |
4a867032 | 1118 | return ret; |
6fc6879b JM |
1119 | } |
1120 | ||
6fc6879b | 1121 | static int |
c2e8d0a0 | 1122 | wpa_driver_bsd_scan(void *priv, struct wpa_driver_scan_params *params) |
6fc6879b | 1123 | { |
86b24ea9 | 1124 | struct bsd_driver_data *drv = priv; |
88487b0e MH |
1125 | #ifdef IEEE80211_IOC_SCAN_MAX_SSID |
1126 | struct ieee80211_scan_req sr; | |
1127 | int i; | |
1128 | #endif /* IEEE80211_IOC_SCAN_MAX_SSID */ | |
1129 | ||
1130 | if (bsd_set_mediaopt(drv, IFM_OMASK, 0 /* STA */) < 0) { | |
1131 | wpa_printf(MSG_ERROR, "%s: failed to set operation mode", | |
1132 | __func__); | |
1133 | return -1; | |
1134 | } | |
6fc6879b | 1135 | |
42f34a9b MH |
1136 | if (set80211param(drv, IEEE80211_IOC_ROAMING, |
1137 | IEEE80211_ROAMING_MANUAL) < 0) { | |
1138 | wpa_printf(MSG_ERROR, "%s: failed to set " | |
1139 | "wpa_supplicant-based roaming: %s", __func__, | |
1140 | strerror(errno)); | |
1141 | return -1; | |
1142 | } | |
1143 | ||
1144 | if (wpa_driver_bsd_set_wpa(drv, 1) < 0) { | |
1145 | wpa_printf(MSG_ERROR, "%s: failed to set wpa: %s", __func__, | |
1146 | strerror(errno)); | |
1147 | return -1; | |
1148 | } | |
1149 | ||
6fc6879b | 1150 | /* NB: interface must be marked UP to do a scan */ |
e1b1309b | 1151 | if (bsd_ctrl_iface(drv, 1) < 0) |
6fc6879b JM |
1152 | return -1; |
1153 | ||
88487b0e MH |
1154 | #ifdef IEEE80211_IOC_SCAN_MAX_SSID |
1155 | os_memset(&sr, 0, sizeof(sr)); | |
1156 | sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE | | |
1157 | IEEE80211_IOC_SCAN_NOJOIN; | |
1158 | sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER; | |
1159 | if (params->num_ssids > 0) { | |
1160 | sr.sr_nssid = params->num_ssids; | |
1161 | #if 0 | |
1162 | /* Boundary check is done by upper layer */ | |
1163 | if (sr.sr_nssid > IEEE80211_IOC_SCAN_MAX_SSID) | |
1164 | sr.sr_nssid = IEEE80211_IOC_SCAN_MAX_SSID; | |
1165 | #endif | |
1166 | ||
1167 | /* NB: check scan cache first */ | |
1168 | sr.sr_flags |= IEEE80211_IOC_SCAN_CHECK; | |
1169 | } | |
1170 | for (i = 0; i < sr.sr_nssid; i++) { | |
1171 | sr.sr_ssid[i].len = params->ssids[i].ssid_len; | |
1172 | os_memcpy(sr.sr_ssid[i].ssid, params->ssids[i].ssid, | |
1173 | sr.sr_ssid[i].len); | |
1174 | } | |
1175 | ||
1176 | /* NB: net80211 delivers a scan complete event so no need to poll */ | |
1177 | return set80211var(drv, IEEE80211_IOC_SCAN_REQ, &sr, sizeof(sr)); | |
1178 | #else /* IEEE80211_IOC_SCAN_MAX_SSID */ | |
6fc6879b | 1179 | /* set desired ssid before scan */ |
c1bbb0ce | 1180 | if (bsd_set_ssid(drv, params->ssids[0].ssid, |
88487b0e | 1181 | params->ssids[0].ssid_len) < 0) |
6fc6879b JM |
1182 | return -1; |
1183 | ||
1184 | /* NB: net80211 delivers a scan complete event so no need to poll */ | |
1185 | return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0); | |
88487b0e | 1186 | #endif /* IEEE80211_IOC_SCAN_MAX_SSID */ |
6fc6879b JM |
1187 | } |
1188 | ||
6fc6879b JM |
1189 | static void |
1190 | wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx) | |
1191 | { | |
449a3166 RM |
1192 | struct bsd_driver_global *global = sock_ctx; |
1193 | struct bsd_driver_data *drv; | |
6fc6879b | 1194 | struct if_announcemsghdr *ifan; |
dc0ad603 | 1195 | struct if_msghdr *ifm; |
6fc6879b JM |
1196 | struct rt_msghdr *rtm; |
1197 | union wpa_event_data event; | |
1198 | struct ieee80211_michael_event *mic; | |
42f34a9b MH |
1199 | struct ieee80211_leave_event *leave; |
1200 | struct ieee80211_join_event *join; | |
38bbd06e | 1201 | int n; |
28878f8b | 1202 | |
449a3166 | 1203 | n = read(sock, global->event_buf, global->event_buf_len); |
6fc6879b JM |
1204 | if (n < 0) { |
1205 | if (errno != EINTR && errno != EAGAIN) | |
a193231d | 1206 | wpa_printf(MSG_ERROR, "%s read() failed: %s", |
28878f8b | 1207 | __func__, strerror(errno)); |
6fc6879b JM |
1208 | return; |
1209 | } | |
1210 | ||
449a3166 | 1211 | rtm = (struct rt_msghdr *) global->event_buf; |
6fc6879b | 1212 | if (rtm->rtm_version != RTM_VERSION) { |
28878f8b MH |
1213 | wpa_printf(MSG_DEBUG, "Invalid routing message version=%d", |
1214 | rtm->rtm_version); | |
6fc6879b JM |
1215 | return; |
1216 | } | |
1217 | os_memset(&event, 0, sizeof(event)); | |
1218 | switch (rtm->rtm_type) { | |
1219 | case RTM_IFANNOUNCE: | |
1220 | ifan = (struct if_announcemsghdr *) rtm; | |
dc0ad603 RM |
1221 | drv = bsd_get_drvindex(global, ifan->ifan_index); |
1222 | if (drv == NULL) | |
1223 | return; | |
d2f46a2b JM |
1224 | os_strlcpy(event.interface_status.ifname, drv->ifname, |
1225 | sizeof(event.interface_status.ifname)); | |
6fc6879b JM |
1226 | switch (ifan->ifan_what) { |
1227 | case IFAN_DEPARTURE: | |
1228 | event.interface_status.ievent = EVENT_INTERFACE_REMOVED; | |
1229 | default: | |
1230 | return; | |
1231 | } | |
1232 | wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s", | |
1233 | event.interface_status.ifname, | |
1234 | ifan->ifan_what == IFAN_DEPARTURE ? | |
1235 | "removed" : "added"); | |
dc0ad603 | 1236 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event); |
6fc6879b JM |
1237 | break; |
1238 | case RTM_IEEE80211: | |
1239 | ifan = (struct if_announcemsghdr *) rtm; | |
dc0ad603 RM |
1240 | drv = bsd_get_drvindex(global, ifan->ifan_index); |
1241 | if (drv == NULL) | |
1242 | return; | |
6fc6879b JM |
1243 | switch (ifan->ifan_what) { |
1244 | case RTM_IEEE80211_ASSOC: | |
1245 | case RTM_IEEE80211_REASSOC: | |
42f34a9b MH |
1246 | if (drv->is_ap) |
1247 | break; | |
dc0ad603 | 1248 | wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL); |
6fc6879b JM |
1249 | break; |
1250 | case RTM_IEEE80211_DISASSOC: | |
42f34a9b MH |
1251 | if (drv->is_ap) |
1252 | break; | |
dc0ad603 | 1253 | wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL); |
6fc6879b JM |
1254 | break; |
1255 | case RTM_IEEE80211_SCAN: | |
42f34a9b MH |
1256 | if (drv->is_ap) |
1257 | break; | |
dc0ad603 RM |
1258 | wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, |
1259 | NULL); | |
6fc6879b | 1260 | break; |
42f34a9b MH |
1261 | case RTM_IEEE80211_LEAVE: |
1262 | leave = (struct ieee80211_leave_event *) &ifan[1]; | |
dc0ad603 | 1263 | drv_event_disassoc(drv->ctx, leave->iev_addr); |
42f34a9b MH |
1264 | break; |
1265 | case RTM_IEEE80211_JOIN: | |
1266 | #ifdef RTM_IEEE80211_REJOIN | |
1267 | case RTM_IEEE80211_REJOIN: | |
1268 | #endif | |
1269 | join = (struct ieee80211_join_event *) &ifan[1]; | |
dc0ad603 | 1270 | bsd_new_sta(drv, drv->ctx, join->iev_addr); |
42f34a9b | 1271 | break; |
6fc6879b JM |
1272 | case RTM_IEEE80211_REPLAY: |
1273 | /* ignore */ | |
1274 | break; | |
1275 | case RTM_IEEE80211_MICHAEL: | |
1276 | mic = (struct ieee80211_michael_event *) &ifan[1]; | |
1277 | wpa_printf(MSG_DEBUG, | |
1278 | "Michael MIC failure wireless event: " | |
1279 | "keyix=%u src_addr=" MACSTR, mic->iev_keyix, | |
1280 | MAC2STR(mic->iev_src)); | |
1281 | ||
1282 | os_memset(&event, 0, sizeof(event)); | |
1283 | event.michael_mic_failure.unicast = | |
1284 | !IEEE80211_IS_MULTICAST(mic->iev_dst); | |
dc0ad603 RM |
1285 | wpa_supplicant_event(drv->ctx, |
1286 | EVENT_MICHAEL_MIC_FAILURE, &event); | |
6fc6879b JM |
1287 | break; |
1288 | } | |
1289 | break; | |
1290 | case RTM_IFINFO: | |
dc0ad603 RM |
1291 | ifm = (struct if_msghdr *) rtm; |
1292 | drv = bsd_get_drvindex(global, ifm->ifm_index); | |
1293 | if (drv == NULL) | |
1294 | return; | |
af060932 RM |
1295 | if ((ifm->ifm_flags & IFF_UP) == 0 && |
1296 | (drv->flags & IFF_UP) != 0) { | |
6fc6879b | 1297 | wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN", |
af060932 RM |
1298 | drv->ifname); |
1299 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, | |
1300 | NULL); | |
1301 | } else if ((ifm->ifm_flags & IFF_UP) != 0 && | |
1302 | (drv->flags & IFF_UP) == 0) { | |
1303 | wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' UP", | |
1304 | drv->ifname); | |
1305 | wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, | |
1306 | NULL); | |
6fc6879b | 1307 | } |
af060932 | 1308 | drv->flags = ifm->ifm_flags; |
6fc6879b JM |
1309 | break; |
1310 | } | |
1311 | } | |
1312 | ||
a65f4a57 MH |
1313 | static void |
1314 | wpa_driver_bsd_add_scan_entry(struct wpa_scan_results *res, | |
1315 | struct ieee80211req_scan_result *sr) | |
6fc6879b | 1316 | { |
a65f4a57 MH |
1317 | struct wpa_scan_res *result, **tmp; |
1318 | size_t extra_len; | |
1319 | u8 *pos; | |
6fc6879b | 1320 | |
a65f4a57 MH |
1321 | extra_len = 2 + sr->isr_ssid_len; |
1322 | extra_len += 2 + sr->isr_nrates; | |
1323 | extra_len += 3; /* ERP IE */ | |
1324 | extra_len += sr->isr_ie_len; | |
6fc6879b | 1325 | |
a65f4a57 MH |
1326 | result = os_zalloc(sizeof(*result) + extra_len); |
1327 | if (result == NULL) | |
1328 | return; | |
1329 | os_memcpy(result->bssid, sr->isr_bssid, ETH_ALEN); | |
1330 | result->freq = sr->isr_freq; | |
1331 | result->beacon_int = sr->isr_intval; | |
1332 | result->caps = sr->isr_capinfo; | |
1333 | result->qual = sr->isr_rssi; | |
1334 | result->noise = sr->isr_noise; | |
89f46900 RP |
1335 | /* |
1336 | * the rssi value reported by the kernel is in 0.5dB steps relative to | |
1337 | * the reported noise floor. see ieee80211_node.h for details. | |
1338 | */ | |
1339 | result->level = sr->isr_rssi / 2 + sr->isr_noise; | |
6fc6879b | 1340 | |
a65f4a57 | 1341 | pos = (u8 *)(result + 1); |
6fc6879b | 1342 | |
a65f4a57 MH |
1343 | *pos++ = WLAN_EID_SSID; |
1344 | *pos++ = sr->isr_ssid_len; | |
1345 | os_memcpy(pos, sr + 1, sr->isr_ssid_len); | |
1346 | pos += sr->isr_ssid_len; | |
6fc6879b | 1347 | |
a65f4a57 MH |
1348 | /* |
1349 | * Deal all rates as supported rate. | |
1350 | * Because net80211 doesn't report extended supported rate or not. | |
1351 | */ | |
1352 | *pos++ = WLAN_EID_SUPP_RATES; | |
1353 | *pos++ = sr->isr_nrates; | |
1354 | os_memcpy(pos, sr->isr_rates, sr->isr_nrates); | |
1355 | pos += sr->isr_nrates; | |
6fc6879b | 1356 | |
a65f4a57 MH |
1357 | *pos++ = WLAN_EID_ERP_INFO; |
1358 | *pos++ = 1; | |
1359 | *pos++ = sr->isr_erp; | |
6fc6879b | 1360 | |
28c91ee1 IV |
1361 | #if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) |
1362 | os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len + sr->isr_meshid_len, | |
1363 | sr->isr_ie_len); | |
1364 | #else | |
a65f4a57 | 1365 | os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len, sr->isr_ie_len); |
28c91ee1 | 1366 | #endif |
a65f4a57 | 1367 | pos += sr->isr_ie_len; |
6fc6879b | 1368 | |
a65f4a57 MH |
1369 | result->ie_len = pos - (u8 *)(result + 1); |
1370 | ||
067ffa26 JM |
1371 | tmp = os_realloc_array(res->res, res->num + 1, |
1372 | sizeof(struct wpa_scan_res *)); | |
a65f4a57 MH |
1373 | if (tmp == NULL) { |
1374 | os_free(result); | |
1375 | return; | |
1376 | } | |
1377 | tmp[res->num++] = result; | |
1378 | res->res = tmp; | |
6fc6879b JM |
1379 | } |
1380 | ||
a65f4a57 MH |
1381 | struct wpa_scan_results * |
1382 | wpa_driver_bsd_get_scan_results2(void *priv) | |
6fc6879b | 1383 | { |
6fc6879b | 1384 | struct ieee80211req_scan_result *sr; |
a65f4a57 MH |
1385 | struct wpa_scan_results *res; |
1386 | int len, rest; | |
1387 | uint8_t buf[24*1024], *pos; | |
6fc6879b | 1388 | |
e1b1309b | 1389 | len = get80211var(priv, IEEE80211_IOC_SCAN_RESULTS, buf, 24*1024); |
6fc6879b | 1390 | if (len < 0) |
a65f4a57 MH |
1391 | return NULL; |
1392 | ||
1393 | res = os_zalloc(sizeof(*res)); | |
1394 | if (res == NULL) | |
1395 | return NULL; | |
6fc6879b | 1396 | |
a65f4a57 MH |
1397 | pos = buf; |
1398 | rest = len; | |
1399 | while (rest >= sizeof(struct ieee80211req_scan_result)) { | |
1400 | sr = (struct ieee80211req_scan_result *)pos; | |
1401 | wpa_driver_bsd_add_scan_entry(res, sr); | |
1402 | pos += sr->isr_len; | |
1403 | rest -= sr->isr_len; | |
6fc6879b | 1404 | } |
6fc6879b | 1405 | |
a65f4a57 MH |
1406 | wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%lu BSSes)", |
1407 | len, (unsigned long)res->num); | |
6fc6879b | 1408 | |
a65f4a57 | 1409 | return res; |
6fc6879b JM |
1410 | } |
1411 | ||
86b24ea9 | 1412 | static int wpa_driver_bsd_capa(struct bsd_driver_data *drv) |
42f34a9b | 1413 | { |
c6611ed9 MH |
1414 | #ifdef IEEE80211_IOC_DEVCAPS |
1415 | /* kernel definitions copied from net80211/ieee80211_var.h */ | |
1416 | #define IEEE80211_CIPHER_WEP 0 | |
1417 | #define IEEE80211_CIPHER_TKIP 1 | |
1418 | #define IEEE80211_CIPHER_AES_CCM 3 | |
1419 | #define IEEE80211_CRYPTO_WEP (1<<IEEE80211_CIPHER_WEP) | |
1420 | #define IEEE80211_CRYPTO_TKIP (1<<IEEE80211_CIPHER_TKIP) | |
1421 | #define IEEE80211_CRYPTO_AES_CCM (1<<IEEE80211_CIPHER_AES_CCM) | |
1422 | #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ | |
1423 | #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ | |
1424 | #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ | |
1425 | struct ieee80211_devcaps_req devcaps; | |
1426 | ||
1427 | if (get80211var(drv, IEEE80211_IOC_DEVCAPS, &devcaps, | |
1428 | sizeof(devcaps)) < 0) { | |
1429 | wpa_printf(MSG_ERROR, "failed to IEEE80211_IOC_DEVCAPS: %s", | |
1430 | strerror(errno)); | |
1431 | return -1; | |
1432 | } | |
1433 | ||
1434 | wpa_printf(MSG_DEBUG, "%s: drivercaps=0x%08x,cryptocaps=0x%08x", | |
1435 | __func__, devcaps.dc_drivercaps, devcaps.dc_cryptocaps); | |
1436 | ||
1437 | if (devcaps.dc_drivercaps & IEEE80211_C_WPA1) | |
1438 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | | |
1439 | WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK; | |
1440 | if (devcaps.dc_drivercaps & IEEE80211_C_WPA2) | |
1441 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | | |
1442 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; | |
1443 | ||
1444 | if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_WEP) | |
1445 | drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 | | |
1446 | WPA_DRIVER_CAPA_ENC_WEP104; | |
1447 | if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_TKIP) | |
1448 | drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP; | |
1449 | if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_AES_CCM) | |
1450 | drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP; | |
1451 | ||
1452 | if (devcaps.dc_drivercaps & IEEE80211_C_HOSTAP) | |
1453 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP; | |
1454 | #undef IEEE80211_CIPHER_WEP | |
1455 | #undef IEEE80211_CIPHER_TKIP | |
1456 | #undef IEEE80211_CIPHER_AES_CCM | |
1457 | #undef IEEE80211_CRYPTO_WEP | |
1458 | #undef IEEE80211_CRYPTO_TKIP | |
1459 | #undef IEEE80211_CRYPTO_AES_CCM | |
1460 | #undef IEEE80211_C_HOSTAP | |
1461 | #undef IEEE80211_C_WPA1 | |
1462 | #undef IEEE80211_C_WPA2 | |
1463 | #else /* IEEE80211_IOC_DEVCAPS */ | |
42f34a9b MH |
1464 | /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */ |
1465 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | | |
1466 | WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | | |
1467 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | | |
1468 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; | |
1469 | drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 | | |
1470 | WPA_DRIVER_CAPA_ENC_WEP104 | | |
1471 | WPA_DRIVER_CAPA_ENC_TKIP | | |
1472 | WPA_DRIVER_CAPA_ENC_CCMP; | |
c6611ed9 MH |
1473 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP; |
1474 | #endif /* IEEE80211_IOC_DEVCAPS */ | |
88487b0e MH |
1475 | #ifdef IEEE80211_IOC_SCAN_MAX_SSID |
1476 | drv->capa.max_scan_ssids = IEEE80211_IOC_SCAN_MAX_SSID; | |
c6611ed9 MH |
1477 | #else /* IEEE80211_IOC_SCAN_MAX_SSID */ |
1478 | drv->capa.max_scan_ssids = 1; | |
88487b0e | 1479 | #endif /* IEEE80211_IOC_SCAN_MAX_SSID */ |
c6611ed9 MH |
1480 | drv->capa.auth = WPA_DRIVER_AUTH_OPEN | |
1481 | WPA_DRIVER_AUTH_SHARED | | |
1482 | WPA_DRIVER_AUTH_LEAP; | |
42f34a9b MH |
1483 | return 0; |
1484 | } | |
1485 | ||
c69ed4dd MH |
1486 | static enum ieee80211_opmode |
1487 | get80211opmode(struct bsd_driver_data *drv) | |
1488 | { | |
1489 | struct ifmediareq ifmr; | |
1490 | ||
1491 | (void) memset(&ifmr, 0, sizeof(ifmr)); | |
1492 | (void) os_strlcpy(ifmr.ifm_name, drv->ifname, sizeof(ifmr.ifm_name)); | |
1493 | ||
449a3166 | 1494 | if (ioctl(drv->global->sock, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0) { |
c69ed4dd MH |
1495 | if (ifmr.ifm_current & IFM_IEEE80211_ADHOC) { |
1496 | if (ifmr.ifm_current & IFM_FLAG0) | |
1497 | return IEEE80211_M_AHDEMO; | |
1498 | else | |
1499 | return IEEE80211_M_IBSS; | |
1500 | } | |
1501 | if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP) | |
1502 | return IEEE80211_M_HOSTAP; | |
1503 | if (ifmr.ifm_current & IFM_IEEE80211_MONITOR) | |
1504 | return IEEE80211_M_MONITOR; | |
1505 | #ifdef IEEE80211_M_MBSS | |
1506 | if (ifmr.ifm_current & IFM_IEEE80211_MBSS) | |
1507 | return IEEE80211_M_MBSS; | |
1508 | #endif /* IEEE80211_M_MBSS */ | |
1509 | } | |
1510 | return IEEE80211_M_STA; | |
1511 | } | |
1512 | ||
6fc6879b | 1513 | static void * |
449a3166 | 1514 | wpa_driver_bsd_init(void *ctx, const char *ifname, void *priv) |
6fc6879b JM |
1515 | { |
1516 | #define GETPARAM(drv, param, v) \ | |
1517 | (((v) = get80211param(drv, param)) != -1) | |
86b24ea9 | 1518 | struct bsd_driver_data *drv; |
6fc6879b JM |
1519 | |
1520 | drv = os_zalloc(sizeof(*drv)); | |
1521 | if (drv == NULL) | |
1522 | return NULL; | |
38bbd06e | 1523 | |
6fc6879b JM |
1524 | /* |
1525 | * NB: We require the interface name be mappable to an index. | |
1526 | * This implies we do not support having wpa_supplicant | |
1527 | * wait for an interface to appear. This seems ok; that | |
1528 | * doesn't belong here; it's really the job of devd. | |
1529 | */ | |
1530 | drv->ifindex = if_nametoindex(ifname); | |
1531 | if (drv->ifindex == 0) { | |
1532 | wpa_printf(MSG_DEBUG, "%s: interface %s does not exist", | |
1533 | __func__, ifname); | |
449a3166 | 1534 | goto fail; |
6fc6879b | 1535 | } |
449a3166 RM |
1536 | |
1537 | drv->ctx = ctx; | |
1538 | drv->global = priv; | |
70a867c2 RP |
1539 | |
1540 | os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname)); | |
1541 | /* Down interface during setup. */ | |
1542 | if (bsd_ctrl_iface(drv, 0) < 0) | |
1543 | goto fail; | |
1544 | ||
6fc6879b JM |
1545 | if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) { |
1546 | wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s", | |
1547 | __func__, strerror(errno)); | |
1548 | goto fail; | |
1549 | } | |
1550 | if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) { | |
1551 | wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s", | |
1552 | __func__, strerror(errno)); | |
1553 | goto fail; | |
1554 | } | |
1555 | if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) { | |
1556 | wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s", | |
1557 | __func__, strerror(errno)); | |
1558 | goto fail; | |
1559 | } | |
5197244a | 1560 | |
42f34a9b | 1561 | if (wpa_driver_bsd_capa(drv)) |
6fc6879b | 1562 | goto fail; |
4a867032 | 1563 | |
5dd82c63 | 1564 | drv->opmode = get80211opmode(drv); |
449a3166 | 1565 | dl_list_add(&drv->global->ifaces, &drv->list); |
5dd82c63 | 1566 | |
6fc6879b JM |
1567 | return drv; |
1568 | fail: | |
6fc6879b JM |
1569 | os_free(drv); |
1570 | return NULL; | |
1571 | #undef GETPARAM | |
1572 | } | |
1573 | ||
1574 | static void | |
1575 | wpa_driver_bsd_deinit(void *priv) | |
1576 | { | |
86b24ea9 | 1577 | struct bsd_driver_data *drv = priv; |
6fc6879b | 1578 | |
4a867032 | 1579 | wpa_driver_bsd_set_wpa(drv, 0); |
6fc6879b JM |
1580 | |
1581 | /* NB: mark interface down */ | |
e1b1309b | 1582 | bsd_ctrl_iface(drv, 0); |
6fc6879b JM |
1583 | |
1584 | wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy); | |
449a3166 | 1585 | |
6fc6879b JM |
1586 | if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0) |
1587 | wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state", | |
1588 | __func__); | |
1589 | ||
42f34a9b MH |
1590 | if (drv->sock_xmit != NULL) |
1591 | l2_packet_deinit(drv->sock_xmit); | |
449a3166 | 1592 | dl_list_del(&drv->list); |
6fc6879b JM |
1593 | os_free(drv); |
1594 | } | |
1595 | ||
42f34a9b MH |
1596 | static int |
1597 | wpa_driver_bsd_get_capa(void *priv, struct wpa_driver_capa *capa) | |
1598 | { | |
86b24ea9 | 1599 | struct bsd_driver_data *drv = priv; |
42f34a9b MH |
1600 | |
1601 | os_memcpy(capa, &drv->capa, sizeof(*capa)); | |
1602 | return 0; | |
1603 | } | |
e1b1309b | 1604 | #endif /* HOSTAPD */ |
42f34a9b | 1605 | |
449a3166 RM |
1606 | static void * |
1607 | bsd_global_init(void) | |
1608 | { | |
1609 | struct bsd_driver_global *global; | |
1610 | ||
1611 | global = os_zalloc(sizeof(*global)); | |
1612 | if (global == NULL) | |
1613 | return NULL; | |
1614 | ||
1615 | dl_list_init(&global->ifaces); | |
1616 | ||
1617 | global->sock = socket(PF_INET, SOCK_DGRAM, 0); | |
1618 | if (global->sock < 0) { | |
1619 | wpa_printf(MSG_ERROR, "socket[PF_INET,SOCK_DGRAM]: %s", | |
1620 | strerror(errno)); | |
1621 | goto fail1; | |
1622 | } | |
1623 | ||
1624 | global->route = socket(PF_ROUTE, SOCK_RAW, 0); | |
1625 | if (global->route < 0) { | |
1626 | wpa_printf(MSG_ERROR, "socket[PF_ROUTE,SOCK_RAW]: %s", | |
1627 | strerror(errno)); | |
1628 | goto fail; | |
1629 | } | |
1630 | ||
1631 | global->event_buf_len = rtbuf_len(); | |
1632 | global->event_buf = os_malloc(global->event_buf_len); | |
1633 | if (global->event_buf == NULL) { | |
1634 | wpa_printf(MSG_ERROR, "%s: os_malloc() failed", __func__); | |
1635 | goto fail; | |
1636 | } | |
1637 | ||
1638 | #ifdef HOSTAPD | |
1639 | eloop_register_read_sock(global->route, bsd_wireless_event_receive, | |
1640 | NULL, global); | |
1641 | ||
1642 | #else /* HOSTAPD */ | |
1643 | eloop_register_read_sock(global->route, wpa_driver_bsd_event_receive, | |
1644 | NULL, global); | |
1645 | #endif /* HOSTAPD */ | |
1646 | ||
1647 | return global; | |
1648 | ||
1649 | fail: | |
1650 | close(global->sock); | |
1651 | fail1: | |
1652 | os_free(global); | |
1653 | return NULL; | |
1654 | } | |
1655 | ||
1656 | static void | |
1657 | bsd_global_deinit(void *priv) | |
1658 | { | |
1659 | struct bsd_driver_global *global = priv; | |
1660 | ||
1661 | eloop_unregister_read_sock(global->route); | |
1662 | (void) close(global->route); | |
1663 | (void) close(global->sock); | |
1664 | os_free(global); | |
1665 | } | |
1666 | ||
6fc6879b JM |
1667 | |
1668 | const struct wpa_driver_ops wpa_driver_bsd_ops = { | |
1669 | .name = "bsd", | |
66d4085f | 1670 | .desc = "BSD 802.11 support", |
449a3166 RM |
1671 | .global_init = bsd_global_init, |
1672 | .global_deinit = bsd_global_deinit, | |
e1b1309b MH |
1673 | #ifdef HOSTAPD |
1674 | .hapd_init = bsd_init, | |
1675 | .hapd_deinit = bsd_deinit, | |
1676 | .set_privacy = bsd_set_privacy, | |
1677 | .get_seqnum = bsd_get_seqnum, | |
1678 | .flush = bsd_flush, | |
e1b1309b MH |
1679 | .read_sta_data = bsd_read_sta_driver_data, |
1680 | .sta_disassoc = bsd_sta_disassoc, | |
1681 | .sta_deauth = bsd_sta_deauth, | |
32dc6a31 | 1682 | .sta_set_flags = bsd_set_sta_authorized, |
646f12ad | 1683 | .commit = bsd_commit, |
e1b1309b | 1684 | #else /* HOSTAPD */ |
449a3166 | 1685 | .init2 = wpa_driver_bsd_init, |
6fc6879b JM |
1686 | .deinit = wpa_driver_bsd_deinit, |
1687 | .get_bssid = wpa_driver_bsd_get_bssid, | |
1688 | .get_ssid = wpa_driver_bsd_get_ssid, | |
6fc6879b | 1689 | .set_countermeasures = wpa_driver_bsd_set_countermeasures, |
c2e8d0a0 | 1690 | .scan2 = wpa_driver_bsd_scan, |
a65f4a57 | 1691 | .get_scan_results2 = wpa_driver_bsd_get_scan_results2, |
6fc6879b | 1692 | .deauthenticate = wpa_driver_bsd_deauthenticate, |
6fc6879b | 1693 | .associate = wpa_driver_bsd_associate, |
42f34a9b | 1694 | .get_capa = wpa_driver_bsd_get_capa, |
c5121837 | 1695 | #endif /* HOSTAPD */ |
6db1602d | 1696 | .set_freq = bsd_set_freq, |
e1b1309b MH |
1697 | .set_key = bsd_set_key, |
1698 | .set_ieee8021x = bsd_set_ieee8021x, | |
1699 | .hapd_set_ssid = bsd_set_ssid, | |
1700 | .hapd_get_ssid = bsd_get_ssid, | |
1701 | .hapd_send_eapol = bsd_send_eapol, | |
88487b0e | 1702 | .set_generic_elem = bsd_set_opt_ie, |
e1b1309b | 1703 | }; |