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