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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 | ||
86b24ea9 MH |
50 | struct bsd_driver_data { |
51 | struct hostapd_data *hapd; /* back pointer */ | |
52 | ||
53 | int sock; /* open socket for 802.11 ioctls */ | |
54 | struct l2_packet_data *sock_xmit;/* raw packet xmit socket */ | |
55 | int route; /* routing socket for events */ | |
56 | char ifname[IFNAMSIZ+1]; /* interface name */ | |
57 | unsigned int ifindex; /* interface index */ | |
58 | void *ctx; | |
59 | struct wpa_driver_capa capa; /* driver capability */ | |
60 | int is_ap; /* Access point mode */ | |
61 | int prev_roaming; /* roaming state to restore on deinit */ | |
62 | int prev_privacy; /* privacy state to restore on deinit */ | |
63 | int prev_wpa; /* wpa state to restore on deinit */ | |
5dd82c63 | 64 | enum ieee80211_opmode opmode; /* operation mode */ |
38bbd06e MH |
65 | char *event_buf; |
66 | size_t event_buf_len; | |
86b24ea9 MH |
67 | }; |
68 | ||
66d4085f RM |
69 | /* Generic functions for hostapd and wpa_supplicant */ |
70 | ||
5dd82c63 RP |
71 | static enum ieee80211_opmode |
72 | get80211opmode(struct bsd_driver_data *drv) | |
73 | { | |
74 | struct ifmediareq ifmr; | |
75 | ||
76 | (void) memset(&ifmr, 0, sizeof(ifmr)); | |
24f051eb | 77 | (void) os_strlcpy(ifmr.ifm_name, drv->ifname, sizeof(ifmr.ifm_name)); |
5dd82c63 RP |
78 | |
79 | if (ioctl(drv->sock, SIOCGIFMEDIA, (caddr_t)&ifmr) >= 0) { | |
80 | if (ifmr.ifm_current & IFM_IEEE80211_ADHOC) { | |
81 | if (ifmr.ifm_current & IFM_FLAG0) | |
82 | return IEEE80211_M_AHDEMO; | |
83 | else | |
84 | return IEEE80211_M_IBSS; | |
85 | } | |
86 | if (ifmr.ifm_current & IFM_IEEE80211_HOSTAP) | |
87 | return IEEE80211_M_HOSTAP; | |
88 | if (ifmr.ifm_current & IFM_IEEE80211_MONITOR) | |
89 | return IEEE80211_M_MONITOR; | |
e706d2d3 | 90 | #ifdef IEEE80211_M_MBSS |
5dd82c63 RP |
91 | if (ifmr.ifm_current & IFM_IEEE80211_MBSS) |
92 | return IEEE80211_M_MBSS; | |
e706d2d3 | 93 | #endif /* IEEE80211_M_MBSS */ |
5dd82c63 RP |
94 | } |
95 | return IEEE80211_M_STA; | |
96 | } | |
97 | ||
98 | ||
66d4085f | 99 | static int |
0c6bdf91 | 100 | bsd_set80211(void *priv, int op, int val, const void *arg, int arg_len) |
66d4085f | 101 | { |
0c6bdf91 | 102 | struct bsd_driver_data *drv = priv; |
66d4085f RM |
103 | struct ieee80211req ireq; |
104 | ||
105 | os_memset(&ireq, 0, sizeof(ireq)); | |
0c6bdf91 | 106 | os_strlcpy(ireq.i_name, drv->ifname, sizeof(ireq.i_name)); |
66d4085f | 107 | ireq.i_type = op; |
0c6bdf91 | 108 | ireq.i_val = val; |
66d4085f | 109 | ireq.i_data = (void *) arg; |
0c6bdf91 | 110 | ireq.i_len = arg_len; |
66d4085f | 111 | |
0c6bdf91 MH |
112 | if (ioctl(drv->sock, SIOCS80211, &ireq) < 0) { |
113 | wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, val=%u, " | |
114 | "arg_len=%u]: %s", op, val, arg_len, | |
115 | strerror(errno)); | |
66d4085f RM |
116 | return -1; |
117 | } | |
118 | return 0; | |
119 | } | |
120 | ||
121 | static int | |
0c6bdf91 MH |
122 | bsd_get80211(void *priv, struct ieee80211req *ireq, int op, void *arg, |
123 | int arg_len) | |
66d4085f | 124 | { |
0c6bdf91 | 125 | struct bsd_driver_data *drv = priv; |
66d4085f | 126 | |
0c6bdf91 MH |
127 | os_memset(ireq, 0, sizeof(*ireq)); |
128 | os_strlcpy(ireq->i_name, drv->ifname, sizeof(ireq->i_name)); | |
129 | ireq->i_type = op; | |
130 | ireq->i_len = arg_len; | |
131 | ireq->i_data = arg; | |
66d4085f | 132 | |
0c6bdf91 MH |
133 | if (ioctl(drv->sock, SIOCG80211, ireq) < 0) { |
134 | wpa_printf(MSG_ERROR, "ioctl[SIOCS80211, op=%u, " | |
135 | "arg_len=%u]: %s", op, arg_len, strerror(errno)); | |
66d4085f RM |
136 | return -1; |
137 | } | |
0c6bdf91 | 138 | return 0; |
66d4085f RM |
139 | } |
140 | ||
141 | static int | |
0c6bdf91 | 142 | get80211var(struct bsd_driver_data *drv, int op, void *arg, int arg_len) |
66d4085f RM |
143 | { |
144 | struct ieee80211req ireq; | |
145 | ||
0c6bdf91 | 146 | if (bsd_get80211(drv, &ireq, op, arg, arg_len) < 0) |
66d4085f | 147 | return -1; |
0c6bdf91 | 148 | return ireq.i_len; |
e1b1309b MH |
149 | } |
150 | ||
151 | static int | |
152 | set80211var(struct bsd_driver_data *drv, int op, const void *arg, int arg_len) | |
66d4085f | 153 | { |
0c6bdf91 | 154 | return bsd_set80211(drv, op, 0, arg, arg_len); |
e1b1309b MH |
155 | } |
156 | ||
157 | static int | |
158 | set80211param(struct bsd_driver_data *drv, int op, int arg) | |
159 | { | |
0c6bdf91 | 160 | return bsd_set80211(drv, op, arg, NULL, 0); |
e1b1309b MH |
161 | } |
162 | ||
163 | static int | |
8709de1a | 164 | bsd_get_ssid(void *priv, u8 *ssid, int len) |
e1b1309b MH |
165 | { |
166 | struct bsd_driver_data *drv = priv; | |
66d4085f RM |
167 | #ifdef SIOCG80211NWID |
168 | struct ieee80211_nwid nwid; | |
169 | struct ifreq ifr; | |
170 | ||
171 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 172 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
66d4085f | 173 | ifr.ifr_data = (void *)&nwid; |
e1b1309b | 174 | if (ioctl(drv->sock, SIOCG80211NWID, &ifr) < 0 || |
66d4085f RM |
175 | nwid.i_len > IEEE80211_NWID_LEN) |
176 | return -1; | |
177 | os_memcpy(ssid, nwid.i_nwid, nwid.i_len); | |
178 | return nwid.i_len; | |
179 | #else | |
e1b1309b | 180 | return get80211var(drv, IEEE80211_IOC_SSID, ssid, IEEE80211_NWID_LEN); |
66d4085f RM |
181 | #endif |
182 | } | |
183 | ||
184 | static int | |
8709de1a | 185 | bsd_set_ssid(void *priv, const u8 *ssid, int ssid_len) |
66d4085f | 186 | { |
e1b1309b | 187 | struct bsd_driver_data *drv = priv; |
66d4085f RM |
188 | #ifdef SIOCS80211NWID |
189 | struct ieee80211_nwid nwid; | |
190 | struct ifreq ifr; | |
191 | ||
192 | os_memcpy(nwid.i_nwid, ssid, ssid_len); | |
193 | nwid.i_len = ssid_len; | |
194 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 195 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
66d4085f | 196 | ifr.ifr_data = (void *)&nwid; |
e1b1309b | 197 | return ioctl(drv->sock, SIOCS80211NWID, &ifr); |
66d4085f | 198 | #else |
e1b1309b | 199 | return set80211var(drv, IEEE80211_IOC_SSID, ssid, ssid_len); |
66d4085f RM |
200 | #endif |
201 | } | |
202 | ||
5197244a | 203 | static int |
e1b1309b | 204 | bsd_get_if_media(void *priv) |
5197244a | 205 | { |
e1b1309b | 206 | struct bsd_driver_data *drv = priv; |
5197244a MH |
207 | struct ifmediareq ifmr; |
208 | ||
209 | os_memset(&ifmr, 0, sizeof(ifmr)); | |
e1b1309b | 210 | os_strlcpy(ifmr.ifm_name, drv->ifname, sizeof(ifmr.ifm_name)); |
5197244a | 211 | |
e1b1309b | 212 | if (ioctl(drv->sock, SIOCGIFMEDIA, &ifmr) < 0) { |
5197244a MH |
213 | wpa_printf(MSG_ERROR, "%s: SIOCGIFMEDIA %s", __func__, |
214 | strerror(errno)); | |
215 | return -1; | |
216 | } | |
217 | ||
218 | return ifmr.ifm_current; | |
219 | } | |
220 | ||
221 | static int | |
e1b1309b | 222 | bsd_set_if_media(void *priv, int media) |
5197244a | 223 | { |
e1b1309b | 224 | struct bsd_driver_data *drv = priv; |
5197244a MH |
225 | struct ifreq ifr; |
226 | ||
227 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 228 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
5197244a MH |
229 | ifr.ifr_media = media; |
230 | ||
e1b1309b | 231 | if (ioctl(drv->sock, SIOCSIFMEDIA, &ifr) < 0) { |
5197244a MH |
232 | wpa_printf(MSG_ERROR, "%s: SIOCSIFMEDIA %s", __func__, |
233 | strerror(errno)); | |
234 | return -1; | |
235 | } | |
236 | ||
237 | return 0; | |
238 | } | |
239 | ||
240 | static int | |
e1b1309b | 241 | bsd_set_mediaopt(void *priv, uint32_t mask, uint32_t mode) |
5197244a | 242 | { |
e1b1309b | 243 | int media = bsd_get_if_media(priv); |
5197244a MH |
244 | |
245 | if (media < 0) | |
246 | return -1; | |
247 | media &= ~mask; | |
248 | media |= mode; | |
e1b1309b | 249 | if (bsd_set_if_media(priv, media) < 0) |
5197244a MH |
250 | return -1; |
251 | return 0; | |
252 | } | |
253 | ||
cbdecd2b | 254 | static int |
e1b1309b | 255 | bsd_del_key(void *priv, const u8 *addr, int key_idx) |
cbdecd2b MH |
256 | { |
257 | struct ieee80211req_del_key wk; | |
258 | ||
259 | os_memset(&wk, 0, sizeof(wk)); | |
260 | if (addr == NULL) { | |
261 | wpa_printf(MSG_DEBUG, "%s: key_idx=%d", __func__, key_idx); | |
262 | wk.idk_keyix = key_idx; | |
263 | } else { | |
264 | wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, | |
265 | MAC2STR(addr)); | |
266 | os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN); | |
267 | wk.idk_keyix = (u_int8_t) IEEE80211_KEYIX_NONE; /* XXX */ | |
268 | } | |
269 | ||
e1b1309b | 270 | return set80211var(priv, IEEE80211_IOC_DELKEY, &wk, sizeof(wk)); |
cbdecd2b MH |
271 | } |
272 | ||
fa6b8afe | 273 | static int |
e1b1309b | 274 | bsd_send_mlme_param(void *priv, const u8 op, const u16 reason, const u8 *addr) |
fa6b8afe MH |
275 | { |
276 | struct ieee80211req_mlme mlme; | |
277 | ||
278 | os_memset(&mlme, 0, sizeof(mlme)); | |
279 | mlme.im_op = op; | |
280 | mlme.im_reason = reason; | |
281 | os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN); | |
e1b1309b | 282 | return set80211var(priv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)); |
fa6b8afe MH |
283 | } |
284 | ||
60bc3033 | 285 | static int |
e1b1309b | 286 | bsd_ctrl_iface(void *priv, int enable) |
60bc3033 | 287 | { |
e1b1309b | 288 | struct bsd_driver_data *drv = priv; |
60bc3033 MH |
289 | struct ifreq ifr; |
290 | ||
291 | os_memset(&ifr, 0, sizeof(ifr)); | |
e1b1309b | 292 | os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name)); |
60bc3033 | 293 | |
e1b1309b | 294 | if (ioctl(drv->sock, SIOCGIFFLAGS, &ifr) < 0) { |
60bc3033 MH |
295 | perror("ioctl[SIOCGIFFLAGS]"); |
296 | return -1; | |
297 | } | |
298 | ||
cb76af8a RP |
299 | if (enable) { |
300 | if (ifr.ifr_flags & IFF_UP) | |
301 | return 0; | |
60bc3033 | 302 | ifr.ifr_flags |= IFF_UP; |
cb76af8a RP |
303 | } else { |
304 | if (!(ifr.ifr_flags & IFF_UP)) | |
305 | return 0; | |
60bc3033 | 306 | ifr.ifr_flags &= ~IFF_UP; |
cb76af8a | 307 | } |
60bc3033 | 308 | |
e1b1309b | 309 | if (ioctl(drv->sock, SIOCSIFFLAGS, &ifr) < 0) { |
60bc3033 MH |
310 | perror("ioctl[SIOCSIFFLAGS]"); |
311 | return -1; | |
312 | } | |
313 | ||
314 | return 0; | |
315 | } | |
316 | ||
646f12ad RP |
317 | #ifdef HOSTAPD |
318 | static int | |
319 | bsd_commit(void *priv) | |
320 | { | |
321 | return bsd_ctrl_iface(priv, 1); | |
322 | } | |
323 | #endif /* HOSTAPD */ | |
324 | ||
719196b1 | 325 | static int |
e1b1309b | 326 | bsd_set_key(const char *ifname, void *priv, enum wpa_alg alg, |
719196b1 MH |
327 | const unsigned char *addr, int key_idx, int set_tx, const u8 *seq, |
328 | size_t seq_len, const u8 *key, size_t key_len) | |
329 | { | |
330 | struct ieee80211req_key wk; | |
e706d2d3 | 331 | #ifdef IEEE80211_KEY_NOREPLAY |
5dd82c63 | 332 | struct bsd_driver_data *drv = priv; |
e706d2d3 | 333 | #endif /* IEEE80211_KEY_NOREPLAY */ |
719196b1 MH |
334 | |
335 | wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%p key_idx=%d set_tx=%d " | |
336 | "seq_len=%zu key_len=%zu", __func__, alg, addr, key_idx, | |
337 | set_tx, seq_len, key_len); | |
338 | ||
e1b1309b MH |
339 | if (alg == WPA_ALG_NONE) { |
340 | #ifndef HOSTAPD | |
0382097e | 341 | if (addr == NULL || is_broadcast_ether_addr(addr)) |
e1b1309b MH |
342 | return bsd_del_key(priv, NULL, key_idx); |
343 | else | |
344 | #endif /* HOSTAPD */ | |
345 | return bsd_del_key(priv, addr, key_idx); | |
346 | } | |
347 | ||
719196b1 MH |
348 | os_memset(&wk, 0, sizeof(wk)); |
349 | switch (alg) { | |
350 | case WPA_ALG_WEP: | |
351 | wk.ik_type = IEEE80211_CIPHER_WEP; | |
352 | break; | |
353 | case WPA_ALG_TKIP: | |
354 | wk.ik_type = IEEE80211_CIPHER_TKIP; | |
355 | break; | |
356 | case WPA_ALG_CCMP: | |
357 | wk.ik_type = IEEE80211_CIPHER_AES_CCM; | |
358 | break; | |
359 | default: | |
360 | wpa_printf(MSG_ERROR, "%s: unknown alg=%d", __func__, alg); | |
361 | return -1; | |
362 | } | |
363 | ||
364 | wk.ik_flags = IEEE80211_KEY_RECV; | |
365 | if (set_tx) | |
366 | wk.ik_flags |= IEEE80211_KEY_XMIT; | |
367 | ||
368 | if (addr == NULL) { | |
369 | os_memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); | |
370 | wk.ik_keyix = key_idx; | |
371 | } else { | |
372 | os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); | |
373 | /* | |
374 | * Deduce whether group/global or unicast key by checking | |
375 | * the address (yech). Note also that we can only mark global | |
376 | * keys default; doing this for a unicast key is an error. | |
377 | */ | |
0382097e | 378 | if (is_broadcast_ether_addr(addr)) { |
719196b1 MH |
379 | wk.ik_flags |= IEEE80211_KEY_GROUP; |
380 | wk.ik_keyix = key_idx; | |
381 | } else { | |
382 | wk.ik_keyix = key_idx == 0 ? IEEE80211_KEYIX_NONE : | |
383 | key_idx; | |
384 | } | |
385 | } | |
386 | if (wk.ik_keyix != IEEE80211_KEYIX_NONE && set_tx) | |
387 | wk.ik_flags |= IEEE80211_KEY_DEFAULT; | |
5dd82c63 | 388 | #ifndef HOSTAPD |
e706d2d3 | 389 | #ifdef IEEE80211_KEY_NOREPLAY |
5dd82c63 RP |
390 | /* |
391 | * Ignore replay failures in IBSS and AHDEMO mode. | |
392 | */ | |
393 | if (drv->opmode == IEEE80211_M_IBSS || | |
394 | drv->opmode == IEEE80211_M_AHDEMO) | |
395 | wk.ik_flags |= IEEE80211_KEY_NOREPLAY; | |
e706d2d3 | 396 | #endif /* IEEE80211_KEY_NOREPLAY */ |
5dd82c63 | 397 | #endif /* HOSTAPD */ |
719196b1 | 398 | wk.ik_keylen = key_len; |
c3b0a1c8 ZY |
399 | if (seq) { |
400 | #ifdef WORDS_BIGENDIAN | |
401 | /* | |
402 | * wk.ik_keyrsc is in host byte order (big endian), need to | |
403 | * swap it to match with the byte order used in WPA. | |
404 | */ | |
405 | int i; | |
406 | u8 *keyrsc = (u8 *) &wk.ik_keyrsc; | |
407 | for (i = 0; i < seq_len; i++) | |
408 | keyrsc[WPA_KEY_RSC_LEN - i - 1] = seq[i]; | |
409 | #else /* WORDS_BIGENDIAN */ | |
da64c266 | 410 | os_memcpy(&wk.ik_keyrsc, seq, seq_len); |
c3b0a1c8 ZY |
411 | #endif /* WORDS_BIGENDIAN */ |
412 | } | |
719196b1 MH |
413 | os_memcpy(wk.ik_keydata, key, key_len); |
414 | ||
e1b1309b | 415 | return set80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)); |
719196b1 MH |
416 | } |
417 | ||
c5121837 | 418 | static int |
e1b1309b | 419 | bsd_configure_wpa(void *priv, struct wpa_bss_params *params) |
c5121837 | 420 | { |
88487b0e | 421 | #ifndef IEEE80211_IOC_APPIE |
c5121837 JM |
422 | static const char *ciphernames[] = |
423 | { "WEP", "TKIP", "AES-OCB", "AES-CCM", "CKIP", "NONE" }; | |
c5121837 JM |
424 | int v; |
425 | ||
af586419 | 426 | switch (params->wpa_group) { |
c5121837 JM |
427 | case WPA_CIPHER_CCMP: |
428 | v = IEEE80211_CIPHER_AES_CCM; | |
429 | break; | |
430 | case WPA_CIPHER_TKIP: | |
431 | v = IEEE80211_CIPHER_TKIP; | |
432 | break; | |
433 | case WPA_CIPHER_WEP104: | |
434 | v = IEEE80211_CIPHER_WEP; | |
435 | break; | |
436 | case WPA_CIPHER_WEP40: | |
437 | v = IEEE80211_CIPHER_WEP; | |
438 | break; | |
439 | case WPA_CIPHER_NONE: | |
440 | v = IEEE80211_CIPHER_NONE; | |
441 | break; | |
442 | default: | |
443 | printf("Unknown group key cipher %u\n", | |
af586419 | 444 | params->wpa_group); |
c5121837 JM |
445 | return -1; |
446 | } | |
447 | wpa_printf(MSG_DEBUG, "%s: group key cipher=%s (%u)", | |
448 | __func__, ciphernames[v], v); | |
e1b1309b | 449 | if (set80211param(priv, IEEE80211_IOC_MCASTCIPHER, v)) { |
c5121837 JM |
450 | printf("Unable to set group key cipher to %u (%s)\n", |
451 | v, ciphernames[v]); | |
452 | return -1; | |
453 | } | |
454 | if (v == IEEE80211_CIPHER_WEP) { | |
455 | /* key length is done only for specific ciphers */ | |
af586419 | 456 | v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5); |
e1b1309b | 457 | if (set80211param(priv, IEEE80211_IOC_MCASTKEYLEN, v)) { |
c5121837 JM |
458 | printf("Unable to set group key length to %u\n", v); |
459 | return -1; | |
460 | } | |
461 | } | |
462 | ||
463 | v = 0; | |
af586419 | 464 | if (params->wpa_pairwise & WPA_CIPHER_CCMP) |
c5121837 | 465 | v |= 1<<IEEE80211_CIPHER_AES_CCM; |
af586419 | 466 | if (params->wpa_pairwise & WPA_CIPHER_TKIP) |
c5121837 | 467 | v |= 1<<IEEE80211_CIPHER_TKIP; |
af586419 | 468 | if (params->wpa_pairwise & WPA_CIPHER_NONE) |
c5121837 JM |
469 | v |= 1<<IEEE80211_CIPHER_NONE; |
470 | wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v); | |
e1b1309b | 471 | if (set80211param(priv, IEEE80211_IOC_UCASTCIPHERS, v)) { |
c5121837 JM |
472 | printf("Unable to set pairwise key ciphers to 0x%x\n", v); |
473 | return -1; | |
474 | } | |
475 | ||
476 | wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x", | |
af586419 | 477 | __func__, params->wpa_key_mgmt); |
e1b1309b MH |
478 | if (set80211param(priv, IEEE80211_IOC_KEYMGTALGS, |
479 | params->wpa_key_mgmt)) { | |
c5121837 | 480 | printf("Unable to set key management algorithms to 0x%x\n", |
af586419 | 481 | params->wpa_key_mgmt); |
c5121837 JM |
482 | return -1; |
483 | } | |
484 | ||
485 | v = 0; | |
af586419 | 486 | if (params->rsn_preauth) |
c5121837 JM |
487 | v |= BIT(0); |
488 | wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x", | |
af586419 | 489 | __func__, params->rsn_preauth); |
e1b1309b | 490 | if (set80211param(priv, IEEE80211_IOC_RSNCAPS, v)) { |
c5121837 JM |
491 | printf("Unable to set RSN capabilities to 0x%x\n", v); |
492 | return -1; | |
493 | } | |
88487b0e | 494 | #endif /* IEEE80211_IOC_APPIE */ |
c5121837 | 495 | |
af586419 | 496 | wpa_printf(MSG_DEBUG, "%s: enable WPA= 0x%x", __func__, params->wpa); |
e1b1309b | 497 | if (set80211param(priv, IEEE80211_IOC_WPA, params->wpa)) { |
af586419 | 498 | printf("Unable to set WPA to %u\n", params->wpa); |
c5121837 JM |
499 | return -1; |
500 | } | |
501 | return 0; | |
502 | } | |
503 | ||
c5121837 | 504 | static int |
e1b1309b | 505 | bsd_set_ieee8021x(void *priv, struct wpa_bss_params *params) |
c5121837 | 506 | { |
af586419 | 507 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled); |
c5121837 | 508 | |
af586419 | 509 | if (!params->enabled) { |
c5121837 | 510 | /* XXX restore state */ |
e1b1309b MH |
511 | return set80211param(priv, IEEE80211_IOC_AUTHMODE, |
512 | IEEE80211_AUTH_AUTO); | |
c5121837 | 513 | } |
af586419 | 514 | if (!params->wpa && !params->ieee802_1x) { |
42f34a9b MH |
515 | wpa_printf(MSG_ERROR, "%s: No 802.1X or WPA enabled", |
516 | __func__); | |
c5121837 JM |
517 | return -1; |
518 | } | |
e1b1309b | 519 | if (params->wpa && bsd_configure_wpa(priv, params) != 0) { |
42f34a9b MH |
520 | wpa_printf(MSG_ERROR, "%s: Failed to configure WPA state", |
521 | __func__); | |
c5121837 JM |
522 | return -1; |
523 | } | |
e1b1309b | 524 | if (set80211param(priv, IEEE80211_IOC_AUTHMODE, |
af586419 | 525 | (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) { |
42f34a9b MH |
526 | wpa_printf(MSG_ERROR, "%s: Failed to enable WPA/802.1X", |
527 | __func__); | |
c5121837 JM |
528 | return -1; |
529 | } | |
e1b1309b | 530 | return bsd_ctrl_iface(priv, 1); |
c5121837 JM |
531 | } |
532 | ||
32dc6a31 | 533 | #ifdef HOSTAPD |
c5121837 | 534 | static int |
3234cba4 | 535 | bsd_set_sta_authorized(void *priv, const u8 *addr, |
4c32757d | 536 | int total_flags, int flags_or, int flags_and) |
c5121837 | 537 | { |
42f34a9b | 538 | int authorized = -1; |
c5121837 | 539 | |
42f34a9b MH |
540 | /* For now, only support setting Authorized flag */ |
541 | if (flags_or & WPA_STA_AUTHORIZED) | |
542 | authorized = 1; | |
543 | if (!(flags_and & WPA_STA_AUTHORIZED)) | |
544 | authorized = 0; | |
c5121837 | 545 | |
42f34a9b MH |
546 | if (authorized < 0) |
547 | return 0; | |
548 | ||
e1b1309b | 549 | return bsd_send_mlme_param(priv, authorized ? |
42f34a9b MH |
550 | IEEE80211_MLME_AUTHORIZE : |
551 | IEEE80211_MLME_UNAUTHORIZE, 0, addr); | |
552 | } | |
32dc6a31 | 553 | #endif /* HOSTAPD */ |
42f34a9b MH |
554 | |
555 | static void | |
e1b1309b | 556 | bsd_new_sta(void *priv, void *ctx, u8 addr[IEEE80211_ADDR_LEN]) |
42f34a9b MH |
557 | { |
558 | struct ieee80211req_wpaie ie; | |
559 | int ielen = 0; | |
560 | u8 *iebuf = NULL; | |
561 | ||
562 | /* | |
563 | * Fetch and validate any negotiated WPA/RSN parameters. | |
564 | */ | |
565 | memset(&ie, 0, sizeof(ie)); | |
566 | memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN); | |
e1b1309b | 567 | if (get80211var(priv, IEEE80211_IOC_WPAIE, &ie, sizeof(ie)) < 0) { |
42f34a9b MH |
568 | printf("Failed to get WPA/RSN information element.\n"); |
569 | goto no_ie; | |
570 | } | |
571 | iebuf = ie.wpa_ie; | |
572 | ielen = ie.wpa_ie[1]; | |
573 | if (ielen == 0) | |
574 | iebuf = NULL; | |
575 | else | |
576 | ielen += 2; | |
577 | ||
578 | no_ie: | |
39b08b5f | 579 | drv_event_assoc(ctx, addr, iebuf, ielen, 0); |
42f34a9b MH |
580 | } |
581 | ||
582 | static int | |
e1b1309b | 583 | bsd_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len, |
4378fc14 | 584 | int encrypt, const u8 *own_addr, u32 flags) |
42f34a9b | 585 | { |
e1b1309b MH |
586 | struct bsd_driver_data *drv = priv; |
587 | ||
42f34a9b MH |
588 | wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", data, data_len); |
589 | ||
e1b1309b MH |
590 | return l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, data, |
591 | data_len); | |
c5121837 JM |
592 | } |
593 | ||
594 | static int | |
6db1602d | 595 | bsd_set_freq(void *priv, struct hostapd_freq_params *freq) |
42f34a9b | 596 | { |
e1b1309b | 597 | struct bsd_driver_data *drv = priv; |
aba7569e | 598 | #ifdef SIOCS80211CHANNEL |
42f34a9b | 599 | struct ieee80211chanreq creq; |
362468d1 | 600 | #endif /* SIOCS80211CHANNEL */ |
42f34a9b | 601 | u32 mode; |
6db1602d | 602 | int channel = freq->channel; |
42f34a9b | 603 | |
ca79385a YZ |
604 | if (channel < 14) { |
605 | mode = | |
606 | #ifdef CONFIG_IEEE80211N | |
607 | freq->ht_enabled ? IFM_IEEE80211_11NG : | |
608 | #endif /* CONFIG_IEEE80211N */ | |
609 | IFM_IEEE80211_11G; | |
610 | } else if (channel == 14) { | |
42f34a9b | 611 | mode = IFM_IEEE80211_11B; |
ca79385a YZ |
612 | } else { |
613 | mode = | |
614 | #ifdef CONFIG_IEEE80211N | |
615 | freq->ht_enabled ? IFM_IEEE80211_11NA : | |
616 | #endif /* CONFIG_IEEE80211N */ | |
617 | IFM_IEEE80211_11A; | |
618 | } | |
e1b1309b | 619 | if (bsd_set_mediaopt(drv, IFM_MMASK, mode) < 0) { |
42f34a9b MH |
620 | wpa_printf(MSG_ERROR, "%s: failed to set modulation mode", |
621 | __func__); | |
622 | return -1; | |
623 | } | |
624 | ||
362468d1 | 625 | #ifdef SIOCS80211CHANNEL |
42f34a9b | 626 | os_memset(&creq, 0, sizeof(creq)); |
e1b1309b | 627 | os_strlcpy(creq.i_name, drv->ifname, sizeof(creq.i_name)); |
6db1602d | 628 | creq.i_channel = (u_int16_t)channel; |
e1b1309b | 629 | return ioctl(drv->sock, SIOCS80211CHANNEL, &creq); |
362468d1 MH |
630 | #else /* SIOCS80211CHANNEL */ |
631 | return set80211param(priv, IEEE80211_IOC_CHANNEL, channel); | |
632 | #endif /* SIOCS80211CHANNEL */ | |
42f34a9b MH |
633 | } |
634 | ||
88487b0e | 635 | static int |
aa484516 | 636 | bsd_set_opt_ie(void *priv, const u8 *ie, size_t ie_len) |
88487b0e MH |
637 | { |
638 | #ifdef IEEE80211_IOC_APPIE | |
88487b0e MH |
639 | wpa_printf(MSG_DEBUG, "%s: set WPA+RSN ie (len %lu)", __func__, |
640 | (unsigned long)ie_len); | |
0c6bdf91 MH |
641 | return bsd_set80211(priv, IEEE80211_IOC_APPIE, IEEE80211_APPIE_WPA, |
642 | ie, ie_len); | |
88487b0e MH |
643 | #endif /* IEEE80211_IOC_APPIE */ |
644 | return 0; | |
645 | } | |
646 | ||
38bbd06e | 647 | static size_t |
28878f8b MH |
648 | rtbuf_len(void) |
649 | { | |
650 | size_t len; | |
651 | ||
d4a747f0 | 652 | int mib[6] = {CTL_NET, AF_ROUTE, 0, AF_INET, NET_RT_DUMP, 0}; |
28878f8b MH |
653 | |
654 | if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) { | |
d4a747f0 | 655 | wpa_printf(MSG_WARNING, "%s failed: %s\n", __func__, |
28878f8b | 656 | strerror(errno)); |
d4a747f0 | 657 | len = 2048; |
28878f8b MH |
658 | } |
659 | ||
660 | return len; | |
661 | } | |
42f34a9b MH |
662 | |
663 | #ifdef HOSTAPD | |
664 | ||
665 | /* | |
666 | * Avoid conflicts with hostapd definitions by undefining couple of defines | |
667 | * from net80211 header files. | |
668 | */ | |
669 | #undef RSN_VERSION | |
670 | #undef WPA_VERSION | |
671 | #undef WPA_OUI_TYPE | |
672 | ||
42f34a9b MH |
673 | static int bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, |
674 | int reason_code); | |
675 | ||
42f34a9b MH |
676 | static const char * |
677 | ether_sprintf(const u8 *addr) | |
678 | { | |
679 | static char buf[sizeof(MACSTR)]; | |
680 | ||
681 | if (addr != NULL) | |
682 | snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr)); | |
683 | else | |
684 | snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0); | |
685 | return buf; | |
686 | } | |
687 | ||
42f34a9b | 688 | static int |
d5dd016a | 689 | bsd_set_privacy(void *priv, int enabled) |
c5121837 | 690 | { |
42f34a9b MH |
691 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
692 | ||
e1b1309b | 693 | return set80211param(priv, IEEE80211_IOC_PRIVACY, enabled); |
c5121837 JM |
694 | } |
695 | ||
c5121837 JM |
696 | static int |
697 | bsd_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx, | |
698 | u8 *seq) | |
699 | { | |
c5121837 JM |
700 | struct ieee80211req_key wk; |
701 | ||
702 | wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d", | |
703 | __func__, ether_sprintf(addr), idx); | |
704 | ||
705 | memset(&wk, 0, sizeof(wk)); | |
706 | if (addr == NULL) | |
707 | memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN); | |
708 | else | |
709 | memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN); | |
710 | wk.ik_keyix = idx; | |
711 | ||
e1b1309b | 712 | if (get80211var(priv, IEEE80211_IOC_WPAKEY, &wk, sizeof(wk)) < 0) { |
c5121837 JM |
713 | printf("Failed to get encryption.\n"); |
714 | return -1; | |
715 | } | |
716 | ||
717 | #ifdef WORDS_BIGENDIAN | |
718 | { | |
719 | /* | |
720 | * wk.ik_keytsc is in host byte order (big endian), need to | |
721 | * swap it to match with the byte order used in WPA. | |
722 | */ | |
723 | int i; | |
724 | u8 tmp[WPA_KEY_RSC_LEN]; | |
725 | memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); | |
726 | for (i = 0; i < WPA_KEY_RSC_LEN; i++) { | |
727 | seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1]; | |
728 | } | |
729 | } | |
730 | #else /* WORDS_BIGENDIAN */ | |
731 | memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc)); | |
732 | #endif /* WORDS_BIGENDIAN */ | |
733 | return 0; | |
734 | } | |
735 | ||
736 | ||
737 | static int | |
738 | bsd_flush(void *priv) | |
739 | { | |
740 | u8 allsta[IEEE80211_ADDR_LEN]; | |
741 | ||
742 | memset(allsta, 0xff, IEEE80211_ADDR_LEN); | |
731723a5 | 743 | return bsd_sta_deauth(priv, NULL, allsta, IEEE80211_REASON_AUTH_LEAVE); |
c5121837 JM |
744 | } |
745 | ||
746 | ||
747 | static int | |
748 | bsd_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data, | |
749 | const u8 *addr) | |
750 | { | |
c5121837 JM |
751 | struct ieee80211req_sta_stats stats; |
752 | ||
753 | memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN); | |
e1b1309b MH |
754 | if (get80211var(priv, IEEE80211_IOC_STA_STATS, &stats, sizeof(stats)) |
755 | > 0) { | |
c5121837 JM |
756 | /* XXX? do packets counts include non-data frames? */ |
757 | data->rx_packets = stats.is_stats.ns_rx_data; | |
758 | data->rx_bytes = stats.is_stats.ns_rx_bytes; | |
759 | data->tx_packets = stats.is_stats.ns_tx_data; | |
760 | data->tx_bytes = stats.is_stats.ns_tx_bytes; | |
761 | } | |
762 | return 0; | |
763 | } | |
764 | ||
c5121837 | 765 | static int |
731723a5 | 766 | bsd_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr, int reason_code) |
c5121837 | 767 | { |
e1b1309b MH |
768 | return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code, |
769 | addr); | |
c5121837 JM |
770 | } |
771 | ||
772 | static int | |
731723a5 JM |
773 | bsd_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr, |
774 | int reason_code) | |
c5121837 | 775 | { |
e1b1309b MH |
776 | return bsd_send_mlme_param(priv, IEEE80211_MLME_DISASSOC, reason_code, |
777 | addr); | |
c5121837 JM |
778 | } |
779 | ||
c5121837 JM |
780 | static void |
781 | bsd_wireless_event_receive(int sock, void *ctx, void *sock_ctx) | |
782 | { | |
783 | struct bsd_driver_data *drv = ctx; | |
c5121837 JM |
784 | struct if_announcemsghdr *ifan; |
785 | struct rt_msghdr *rtm; | |
786 | struct ieee80211_michael_event *mic; | |
787 | struct ieee80211_join_event *join; | |
788 | struct ieee80211_leave_event *leave; | |
38bbd06e | 789 | int n; |
1cd973d5 | 790 | union wpa_event_data data; |
c5121837 | 791 | |
38bbd06e | 792 | n = read(sock, drv->event_buf, drv->event_buf_len); |
c5121837 JM |
793 | if (n < 0) { |
794 | if (errno != EINTR && errno != EAGAIN) | |
28878f8b MH |
795 | wpa_printf(MSG_ERROR, "%s read() failed: %s\n", |
796 | __func__, strerror(errno)); | |
c5121837 JM |
797 | return; |
798 | } | |
799 | ||
38bbd06e | 800 | rtm = (struct rt_msghdr *) drv->event_buf; |
c5121837 | 801 | if (rtm->rtm_version != RTM_VERSION) { |
28878f8b MH |
802 | wpa_printf(MSG_DEBUG, "Invalid routing message version=%d", |
803 | rtm->rtm_version); | |
c5121837 JM |
804 | return; |
805 | } | |
806 | ifan = (struct if_announcemsghdr *) rtm; | |
807 | switch (rtm->rtm_type) { | |
808 | case RTM_IEEE80211: | |
809 | switch (ifan->ifan_what) { | |
810 | case RTM_IEEE80211_ASSOC: | |
811 | case RTM_IEEE80211_REASSOC: | |
812 | case RTM_IEEE80211_DISASSOC: | |
813 | case RTM_IEEE80211_SCAN: | |
814 | break; | |
815 | case RTM_IEEE80211_LEAVE: | |
816 | leave = (struct ieee80211_leave_event *) &ifan[1]; | |
69378b79 | 817 | drv_event_disassoc(drv->hapd, leave->iev_addr); |
c5121837 JM |
818 | break; |
819 | case RTM_IEEE80211_JOIN: | |
820 | #ifdef RTM_IEEE80211_REJOIN | |
821 | case RTM_IEEE80211_REJOIN: | |
822 | #endif | |
823 | join = (struct ieee80211_join_event *) &ifan[1]; | |
e1b1309b | 824 | bsd_new_sta(drv, drv->hapd, join->iev_addr); |
c5121837 JM |
825 | break; |
826 | case RTM_IEEE80211_REPLAY: | |
827 | /* ignore */ | |
828 | break; | |
829 | case RTM_IEEE80211_MICHAEL: | |
830 | mic = (struct ieee80211_michael_event *) &ifan[1]; | |
831 | wpa_printf(MSG_DEBUG, | |
832 | "Michael MIC failure wireless event: " | |
833 | "keyix=%u src_addr=" MACSTR, mic->iev_keyix, | |
834 | MAC2STR(mic->iev_src)); | |
1cd973d5 JM |
835 | os_memset(&data, 0, sizeof(data)); |
836 | data.michael_mic_failure.unicast = 1; | |
837 | data.michael_mic_failure.src = mic->iev_src; | |
838 | wpa_supplicant_event(drv->hapd, | |
839 | EVENT_MICHAEL_MIC_FAILURE, &data); | |
c5121837 JM |
840 | break; |
841 | } | |
842 | break; | |
843 | } | |
844 | } | |
845 | ||
c5121837 JM |
846 | static void |
847 | handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) | |
848 | { | |
849 | struct bsd_driver_data *drv = ctx; | |
d3737256 | 850 | drv_event_eapol_rx(drv->hapd, src_addr, buf, len); |
c5121837 JM |
851 | } |
852 | ||
c5121837 | 853 | static void * |
92f475b4 | 854 | bsd_init(struct hostapd_data *hapd, struct wpa_init_params *params) |
c5121837 JM |
855 | { |
856 | struct bsd_driver_data *drv; | |
857 | ||
858 | drv = os_zalloc(sizeof(struct bsd_driver_data)); | |
859 | if (drv == NULL) { | |
bfdc2a31 JM |
860 | wpa_printf(MSG_ERROR, "Could not allocate memory for bsd driver data"); |
861 | return NULL; | |
c5121837 JM |
862 | } |
863 | ||
38bbd06e MH |
864 | drv->event_buf_len = rtbuf_len(); |
865 | ||
866 | drv->event_buf = os_malloc(drv->event_buf_len); | |
867 | if (drv->event_buf == NULL) { | |
868 | wpa_printf(MSG_ERROR, "%s: os_malloc() failed", __func__); | |
869 | goto bad; | |
870 | } | |
871 | ||
c5121837 | 872 | drv->hapd = hapd; |
6850c707 MH |
873 | drv->sock = socket(PF_INET, SOCK_DGRAM, 0); |
874 | if (drv->sock < 0) { | |
c5121837 JM |
875 | perror("socket[PF_INET,SOCK_DGRAM]"); |
876 | goto bad; | |
877 | } | |
6850c707 | 878 | os_strlcpy(drv->ifname, params->ifname, sizeof(drv->ifname)); |
c5121837 | 879 | |
6850c707 | 880 | drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL, |
d3737256 | 881 | handle_read, drv, 0); |
c5121837 JM |
882 | if (drv->sock_xmit == NULL) |
883 | goto bad; | |
412036f5 | 884 | if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr)) |
c5121837 JM |
885 | goto bad; |
886 | ||
60bc3033 | 887 | /* mark down during setup */ |
e1b1309b | 888 | if (bsd_ctrl_iface(drv, 0) < 0) |
60bc3033 | 889 | goto bad; |
6850c707 MH |
890 | |
891 | drv->route = socket(PF_ROUTE, SOCK_RAW, 0); | |
892 | if (drv->route < 0) { | |
893 | perror("socket(PF_ROUTE,SOCK_RAW)"); | |
c5121837 | 894 | goto bad; |
6850c707 MH |
895 | } |
896 | eloop_register_read_sock(drv->route, bsd_wireless_event_receive, drv, | |
897 | NULL); | |
c5121837 | 898 | |
e1b1309b | 899 | if (bsd_set_mediaopt(drv, IFM_OMASK, IFM_IEEE80211_HOSTAP) < 0) { |
5197244a MH |
900 | wpa_printf(MSG_ERROR, "%s: failed to set operation mode", |
901 | __func__); | |
902 | goto bad; | |
903 | } | |
904 | ||
c5121837 JM |
905 | return drv; |
906 | bad: | |
907 | if (drv->sock_xmit != NULL) | |
908 | l2_packet_deinit(drv->sock_xmit); | |
6850c707 MH |
909 | if (drv->sock >= 0) |
910 | close(drv->sock); | |
38bbd06e | 911 | os_free(drv->event_buf); |
c5121837 | 912 | if (drv != NULL) |
82f36163 | 913 | os_free(drv); |
c5121837 JM |
914 | return NULL; |
915 | } | |
916 | ||
917 | ||
918 | static void | |
919 | bsd_deinit(void *priv) | |
920 | { | |
921 | struct bsd_driver_data *drv = priv; | |
922 | ||
6850c707 MH |
923 | if (drv->route >= 0) { |
924 | eloop_unregister_read_sock(drv->route); | |
925 | close(drv->route); | |
926 | } | |
e1b1309b | 927 | bsd_ctrl_iface(drv, 0); |
6850c707 MH |
928 | if (drv->sock >= 0) |
929 | close(drv->sock); | |
c5121837 JM |
930 | if (drv->sock_xmit != NULL) |
931 | l2_packet_deinit(drv->sock_xmit); | |
38bbd06e | 932 | os_free(drv->event_buf); |
82f36163 | 933 | os_free(drv); |
c5121837 JM |
934 | } |
935 | ||
c5121837 JM |
936 | #else /* HOSTAPD */ |
937 | ||
6fc6879b | 938 | static int |
86b24ea9 | 939 | get80211param(struct bsd_driver_data *drv, int op) |
6fc6879b JM |
940 | { |
941 | struct ieee80211req ireq; | |
942 | ||
0c6bdf91 | 943 | if (bsd_get80211(drv, &ireq, op, NULL, 0) < 0) |
6fc6879b | 944 | return -1; |
6fc6879b JM |
945 | return ireq.i_val; |
946 | } | |
947 | ||
6fc6879b JM |
948 | static int |
949 | wpa_driver_bsd_get_bssid(void *priv, u8 *bssid) | |
950 | { | |
86b24ea9 | 951 | struct bsd_driver_data *drv = priv; |
66d4085f | 952 | #ifdef SIOCG80211BSSID |
a65f4a57 | 953 | struct ieee80211_bssid bs; |
6fc6879b | 954 | |
e1b1309b | 955 | os_strlcpy(bs.i_name, drv->ifname, sizeof(bs.i_name)); |
a65f4a57 MH |
956 | if (ioctl(drv->sock, SIOCG80211BSSID, &bs) < 0) |
957 | return -1; | |
958 | os_memcpy(bssid, bs.i_bssid, sizeof(bs.i_bssid)); | |
959 | return 0; | |
960 | #else | |
6fc6879b JM |
961 | return get80211var(drv, IEEE80211_IOC_BSSID, |
962 | bssid, IEEE80211_ADDR_LEN) < 0 ? -1 : 0; | |
a65f4a57 | 963 | #endif |
6fc6879b JM |
964 | } |
965 | ||
6fc6879b JM |
966 | static int |
967 | wpa_driver_bsd_get_ssid(void *priv, u8 *ssid) | |
968 | { | |
86b24ea9 | 969 | struct bsd_driver_data *drv = priv; |
c1bbb0ce | 970 | return bsd_get_ssid(drv, ssid, 0); |
6fc6879b JM |
971 | } |
972 | ||
973 | static int | |
86b24ea9 MH |
974 | wpa_driver_bsd_set_wpa_ie(struct bsd_driver_data *drv, const u8 *wpa_ie, |
975 | size_t wpa_ie_len) | |
6fc6879b | 976 | { |
c610dba1 | 977 | #ifdef IEEE80211_IOC_APPIE |
aa484516 | 978 | return bsd_set_opt_ie(drv, wpa_ie, wpa_ie_len); |
c610dba1 | 979 | #else /* IEEE80211_IOC_APPIE */ |
6fc6879b | 980 | return set80211var(drv, IEEE80211_IOC_OPTIE, wpa_ie, wpa_ie_len); |
c610dba1 | 981 | #endif /* IEEE80211_IOC_APPIE */ |
6fc6879b JM |
982 | } |
983 | ||
984 | static int | |
985 | wpa_driver_bsd_set_wpa_internal(void *priv, int wpa, int privacy) | |
986 | { | |
6fc6879b JM |
987 | int ret = 0; |
988 | ||
989 | wpa_printf(MSG_DEBUG, "%s: wpa=%d privacy=%d", | |
990 | __FUNCTION__, wpa, privacy); | |
991 | ||
e1b1309b | 992 | if (!wpa && wpa_driver_bsd_set_wpa_ie(priv, NULL, 0) < 0) |
6fc6879b | 993 | ret = -1; |
e1b1309b | 994 | if (set80211param(priv, IEEE80211_IOC_PRIVACY, privacy) < 0) |
6fc6879b | 995 | ret = -1; |
e1b1309b | 996 | if (set80211param(priv, IEEE80211_IOC_WPA, wpa) < 0) |
6fc6879b JM |
997 | ret = -1; |
998 | ||
999 | return ret; | |
1000 | } | |
1001 | ||
1002 | static int | |
1003 | wpa_driver_bsd_set_wpa(void *priv, int enabled) | |
1004 | { | |
1005 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled); | |
1006 | ||
1007 | return wpa_driver_bsd_set_wpa_internal(priv, enabled ? 3 : 0, enabled); | |
1008 | } | |
1009 | ||
6fc6879b JM |
1010 | static int |
1011 | wpa_driver_bsd_set_countermeasures(void *priv, int enabled) | |
1012 | { | |
6fc6879b | 1013 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
e1b1309b | 1014 | return set80211param(priv, IEEE80211_IOC_COUNTERMEASURES, enabled); |
6fc6879b JM |
1015 | } |
1016 | ||
1017 | ||
1018 | static int | |
1019 | wpa_driver_bsd_set_drop_unencrypted(void *priv, int enabled) | |
1020 | { | |
6fc6879b | 1021 | wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled); |
e1b1309b | 1022 | return set80211param(priv, IEEE80211_IOC_DROPUNENCRYPTED, enabled); |
6fc6879b JM |
1023 | } |
1024 | ||
1025 | static int | |
1026 | wpa_driver_bsd_deauthenticate(void *priv, const u8 *addr, int reason_code) | |
1027 | { | |
e1b1309b MH |
1028 | return bsd_send_mlme_param(priv, IEEE80211_MLME_DEAUTH, reason_code, |
1029 | addr); | |
6fc6879b JM |
1030 | } |
1031 | ||
2a91091e MH |
1032 | static int |
1033 | wpa_driver_bsd_set_auth_alg(void *priv, int auth_alg) | |
1034 | { | |
2a91091e MH |
1035 | int authmode; |
1036 | ||
abd9fafa JM |
1037 | if ((auth_alg & WPA_AUTH_ALG_OPEN) && |
1038 | (auth_alg & WPA_AUTH_ALG_SHARED)) | |
2a91091e | 1039 | authmode = IEEE80211_AUTH_AUTO; |
abd9fafa | 1040 | else if (auth_alg & WPA_AUTH_ALG_SHARED) |
2a91091e MH |
1041 | authmode = IEEE80211_AUTH_SHARED; |
1042 | else | |
1043 | authmode = IEEE80211_AUTH_OPEN; | |
1044 | ||
e1b1309b | 1045 | return set80211param(priv, IEEE80211_IOC_AUTHMODE, authmode); |
2a91091e MH |
1046 | } |
1047 | ||
42f34a9b MH |
1048 | static void |
1049 | handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) | |
1050 | { | |
86b24ea9 | 1051 | struct bsd_driver_data *drv = ctx; |
42f34a9b MH |
1052 | |
1053 | drv_event_eapol_rx(drv->ctx, src_addr, buf, len); | |
1054 | } | |
1055 | ||
6fc6879b JM |
1056 | static int |
1057 | wpa_driver_bsd_associate(void *priv, struct wpa_driver_associate_params *params) | |
1058 | { | |
86b24ea9 | 1059 | struct bsd_driver_data *drv = priv; |
6fc6879b | 1060 | struct ieee80211req_mlme mlme; |
42f34a9b | 1061 | u32 mode; |
6fc6879b | 1062 | int privacy; |
4a867032 | 1063 | int ret = 0; |
6fc6879b JM |
1064 | |
1065 | wpa_printf(MSG_DEBUG, | |
1066 | "%s: ssid '%.*s' wpa ie len %u pairwise %u group %u key mgmt %u" | |
1067 | , __func__ | |
92e63aaf JM |
1068 | , (unsigned int) params->ssid_len, params->ssid |
1069 | , (unsigned int) params->wpa_ie_len | |
6fc6879b JM |
1070 | , params->pairwise_suite |
1071 | , params->group_suite | |
1072 | , params->key_mgmt_suite | |
1073 | ); | |
1074 | ||
42f34a9b MH |
1075 | switch (params->mode) { |
1076 | case IEEE80211_MODE_INFRA: | |
1077 | mode = 0 /* STA */; | |
1078 | break; | |
1079 | case IEEE80211_MODE_IBSS: | |
1080 | mode = IFM_IEEE80211_IBSS; | |
1081 | break; | |
1082 | case IEEE80211_MODE_AP: | |
1083 | mode = IFM_IEEE80211_HOSTAP; | |
1084 | break; | |
1085 | default: | |
1086 | wpa_printf(MSG_ERROR, "%s: unknown operation mode", __func__); | |
1087 | return -1; | |
1088 | } | |
e1b1309b | 1089 | if (bsd_set_mediaopt(drv, IFM_OMASK, mode) < 0) { |
42f34a9b MH |
1090 | wpa_printf(MSG_ERROR, "%s: failed to set operation mode", |
1091 | __func__); | |
1092 | return -1; | |
1093 | } | |
1094 | ||
1095 | if (params->mode == IEEE80211_MODE_AP) { | |
42f34a9b MH |
1096 | drv->sock_xmit = l2_packet_init(drv->ifname, NULL, ETH_P_EAPOL, |
1097 | handle_read, drv, 0); | |
1098 | if (drv->sock_xmit == NULL) | |
1099 | return -1; | |
1100 | drv->is_ap = 1; | |
1101 | return 0; | |
1102 | } | |
1103 | ||
4a867032 JM |
1104 | if (wpa_driver_bsd_set_drop_unencrypted(drv, params->drop_unencrypted) |
1105 | < 0) | |
1106 | ret = -1; | |
1107 | if (wpa_driver_bsd_set_auth_alg(drv, params->auth_alg) < 0) | |
1108 | ret = -1; | |
6fc6879b JM |
1109 | /* XXX error handling is wrong but unclear what to do... */ |
1110 | if (wpa_driver_bsd_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0) | |
1111 | return -1; | |
6fc6879b | 1112 | |
4848a38d JM |
1113 | privacy = !(params->pairwise_suite == WPA_CIPHER_NONE && |
1114 | params->group_suite == WPA_CIPHER_NONE && | |
1115 | params->key_mgmt_suite == WPA_KEY_MGMT_NONE && | |
6fc6879b JM |
1116 | params->wpa_ie_len == 0); |
1117 | wpa_printf(MSG_DEBUG, "%s: set PRIVACY %u", __func__, privacy); | |
1118 | ||
1119 | if (set80211param(drv, IEEE80211_IOC_PRIVACY, privacy) < 0) | |
1120 | return -1; | |
1121 | ||
1122 | if (params->wpa_ie_len && | |
1123 | set80211param(drv, IEEE80211_IOC_WPA, | |
1124 | params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1) < 0) | |
1125 | return -1; | |
1126 | ||
1127 | os_memset(&mlme, 0, sizeof(mlme)); | |
1128 | mlme.im_op = IEEE80211_MLME_ASSOC; | |
6fc6879b JM |
1129 | if (params->ssid != NULL) |
1130 | os_memcpy(mlme.im_ssid, params->ssid, params->ssid_len); | |
1131 | mlme.im_ssid_len = params->ssid_len; | |
6fc6879b JM |
1132 | if (params->bssid != NULL) |
1133 | os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN); | |
1134 | if (set80211var(drv, IEEE80211_IOC_MLME, &mlme, sizeof(mlme)) < 0) | |
1135 | return -1; | |
4a867032 | 1136 | return ret; |
6fc6879b JM |
1137 | } |
1138 | ||
6fc6879b | 1139 | static int |
c2e8d0a0 | 1140 | wpa_driver_bsd_scan(void *priv, struct wpa_driver_scan_params *params) |
6fc6879b | 1141 | { |
86b24ea9 | 1142 | struct bsd_driver_data *drv = priv; |
88487b0e MH |
1143 | #ifdef IEEE80211_IOC_SCAN_MAX_SSID |
1144 | struct ieee80211_scan_req sr; | |
1145 | int i; | |
1146 | #endif /* IEEE80211_IOC_SCAN_MAX_SSID */ | |
1147 | ||
1148 | if (bsd_set_mediaopt(drv, IFM_OMASK, 0 /* STA */) < 0) { | |
1149 | wpa_printf(MSG_ERROR, "%s: failed to set operation mode", | |
1150 | __func__); | |
1151 | return -1; | |
1152 | } | |
6fc6879b | 1153 | |
42f34a9b MH |
1154 | if (set80211param(drv, IEEE80211_IOC_ROAMING, |
1155 | IEEE80211_ROAMING_MANUAL) < 0) { | |
1156 | wpa_printf(MSG_ERROR, "%s: failed to set " | |
1157 | "wpa_supplicant-based roaming: %s", __func__, | |
1158 | strerror(errno)); | |
1159 | return -1; | |
1160 | } | |
1161 | ||
1162 | if (wpa_driver_bsd_set_wpa(drv, 1) < 0) { | |
1163 | wpa_printf(MSG_ERROR, "%s: failed to set wpa: %s", __func__, | |
1164 | strerror(errno)); | |
1165 | return -1; | |
1166 | } | |
1167 | ||
6fc6879b | 1168 | /* NB: interface must be marked UP to do a scan */ |
e1b1309b | 1169 | if (bsd_ctrl_iface(drv, 1) < 0) |
6fc6879b JM |
1170 | return -1; |
1171 | ||
88487b0e MH |
1172 | #ifdef IEEE80211_IOC_SCAN_MAX_SSID |
1173 | os_memset(&sr, 0, sizeof(sr)); | |
1174 | sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE | | |
1175 | IEEE80211_IOC_SCAN_NOJOIN; | |
1176 | sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER; | |
1177 | if (params->num_ssids > 0) { | |
1178 | sr.sr_nssid = params->num_ssids; | |
1179 | #if 0 | |
1180 | /* Boundary check is done by upper layer */ | |
1181 | if (sr.sr_nssid > IEEE80211_IOC_SCAN_MAX_SSID) | |
1182 | sr.sr_nssid = IEEE80211_IOC_SCAN_MAX_SSID; | |
1183 | #endif | |
1184 | ||
1185 | /* NB: check scan cache first */ | |
1186 | sr.sr_flags |= IEEE80211_IOC_SCAN_CHECK; | |
1187 | } | |
1188 | for (i = 0; i < sr.sr_nssid; i++) { | |
1189 | sr.sr_ssid[i].len = params->ssids[i].ssid_len; | |
1190 | os_memcpy(sr.sr_ssid[i].ssid, params->ssids[i].ssid, | |
1191 | sr.sr_ssid[i].len); | |
1192 | } | |
1193 | ||
1194 | /* NB: net80211 delivers a scan complete event so no need to poll */ | |
1195 | return set80211var(drv, IEEE80211_IOC_SCAN_REQ, &sr, sizeof(sr)); | |
1196 | #else /* IEEE80211_IOC_SCAN_MAX_SSID */ | |
6fc6879b | 1197 | /* set desired ssid before scan */ |
c1bbb0ce | 1198 | if (bsd_set_ssid(drv, params->ssids[0].ssid, |
88487b0e | 1199 | params->ssids[0].ssid_len) < 0) |
6fc6879b JM |
1200 | return -1; |
1201 | ||
1202 | /* NB: net80211 delivers a scan complete event so no need to poll */ | |
1203 | return set80211param(drv, IEEE80211_IOC_SCAN_REQ, 0); | |
88487b0e | 1204 | #endif /* IEEE80211_IOC_SCAN_MAX_SSID */ |
6fc6879b JM |
1205 | } |
1206 | ||
6fc6879b JM |
1207 | static void |
1208 | wpa_driver_bsd_event_receive(int sock, void *ctx, void *sock_ctx) | |
1209 | { | |
86b24ea9 | 1210 | struct bsd_driver_data *drv = sock_ctx; |
6fc6879b JM |
1211 | struct if_announcemsghdr *ifan; |
1212 | struct if_msghdr *ifm; | |
1213 | struct rt_msghdr *rtm; | |
1214 | union wpa_event_data event; | |
1215 | struct ieee80211_michael_event *mic; | |
42f34a9b MH |
1216 | struct ieee80211_leave_event *leave; |
1217 | struct ieee80211_join_event *join; | |
38bbd06e | 1218 | int n; |
28878f8b | 1219 | |
38bbd06e | 1220 | n = read(sock, drv->event_buf, drv->event_buf_len); |
6fc6879b JM |
1221 | if (n < 0) { |
1222 | if (errno != EINTR && errno != EAGAIN) | |
28878f8b MH |
1223 | wpa_printf(MSG_ERROR, "%s read() failed: %s\n", |
1224 | __func__, strerror(errno)); | |
6fc6879b JM |
1225 | return; |
1226 | } | |
1227 | ||
38bbd06e | 1228 | rtm = (struct rt_msghdr *) drv->event_buf; |
6fc6879b | 1229 | if (rtm->rtm_version != RTM_VERSION) { |
28878f8b MH |
1230 | wpa_printf(MSG_DEBUG, "Invalid routing message version=%d", |
1231 | rtm->rtm_version); | |
6fc6879b JM |
1232 | return; |
1233 | } | |
1234 | os_memset(&event, 0, sizeof(event)); | |
1235 | switch (rtm->rtm_type) { | |
1236 | case RTM_IFANNOUNCE: | |
1237 | ifan = (struct if_announcemsghdr *) rtm; | |
1238 | if (ifan->ifan_index != drv->ifindex) | |
1239 | break; | |
d2f46a2b JM |
1240 | os_strlcpy(event.interface_status.ifname, drv->ifname, |
1241 | sizeof(event.interface_status.ifname)); | |
6fc6879b JM |
1242 | switch (ifan->ifan_what) { |
1243 | case IFAN_DEPARTURE: | |
1244 | event.interface_status.ievent = EVENT_INTERFACE_REMOVED; | |
1245 | default: | |
1246 | return; | |
1247 | } | |
1248 | wpa_printf(MSG_DEBUG, "RTM_IFANNOUNCE: Interface '%s' %s", | |
1249 | event.interface_status.ifname, | |
1250 | ifan->ifan_what == IFAN_DEPARTURE ? | |
1251 | "removed" : "added"); | |
1252 | wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event); | |
1253 | break; | |
1254 | case RTM_IEEE80211: | |
1255 | ifan = (struct if_announcemsghdr *) rtm; | |
1256 | if (ifan->ifan_index != drv->ifindex) | |
1257 | break; | |
1258 | switch (ifan->ifan_what) { | |
1259 | case RTM_IEEE80211_ASSOC: | |
1260 | case RTM_IEEE80211_REASSOC: | |
42f34a9b MH |
1261 | if (drv->is_ap) |
1262 | break; | |
6fc6879b JM |
1263 | wpa_supplicant_event(ctx, EVENT_ASSOC, NULL); |
1264 | break; | |
1265 | case RTM_IEEE80211_DISASSOC: | |
42f34a9b MH |
1266 | if (drv->is_ap) |
1267 | break; | |
6fc6879b JM |
1268 | wpa_supplicant_event(ctx, EVENT_DISASSOC, NULL); |
1269 | break; | |
1270 | case RTM_IEEE80211_SCAN: | |
42f34a9b MH |
1271 | if (drv->is_ap) |
1272 | break; | |
6fc6879b JM |
1273 | wpa_supplicant_event(ctx, EVENT_SCAN_RESULTS, NULL); |
1274 | break; | |
42f34a9b MH |
1275 | case RTM_IEEE80211_LEAVE: |
1276 | leave = (struct ieee80211_leave_event *) &ifan[1]; | |
1277 | drv_event_disassoc(ctx, leave->iev_addr); | |
1278 | break; | |
1279 | case RTM_IEEE80211_JOIN: | |
1280 | #ifdef RTM_IEEE80211_REJOIN | |
1281 | case RTM_IEEE80211_REJOIN: | |
1282 | #endif | |
1283 | join = (struct ieee80211_join_event *) &ifan[1]; | |
e1b1309b | 1284 | bsd_new_sta(drv, ctx, join->iev_addr); |
42f34a9b | 1285 | break; |
6fc6879b JM |
1286 | case RTM_IEEE80211_REPLAY: |
1287 | /* ignore */ | |
1288 | break; | |
1289 | case RTM_IEEE80211_MICHAEL: | |
1290 | mic = (struct ieee80211_michael_event *) &ifan[1]; | |
1291 | wpa_printf(MSG_DEBUG, | |
1292 | "Michael MIC failure wireless event: " | |
1293 | "keyix=%u src_addr=" MACSTR, mic->iev_keyix, | |
1294 | MAC2STR(mic->iev_src)); | |
1295 | ||
1296 | os_memset(&event, 0, sizeof(event)); | |
1297 | event.michael_mic_failure.unicast = | |
1298 | !IEEE80211_IS_MULTICAST(mic->iev_dst); | |
1299 | wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, | |
1300 | &event); | |
1301 | break; | |
1302 | } | |
1303 | break; | |
1304 | case RTM_IFINFO: | |
1305 | ifm = (struct if_msghdr *) rtm; | |
1306 | if (ifm->ifm_index != drv->ifindex) | |
1307 | break; | |
1308 | if ((rtm->rtm_flags & RTF_UP) == 0) { | |
d2f46a2b JM |
1309 | os_strlcpy(event.interface_status.ifname, drv->ifname, |
1310 | sizeof(event.interface_status.ifname)); | |
6fc6879b JM |
1311 | event.interface_status.ievent = EVENT_INTERFACE_REMOVED; |
1312 | wpa_printf(MSG_DEBUG, "RTM_IFINFO: Interface '%s' DOWN", | |
1313 | event.interface_status.ifname); | |
1314 | wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &event); | |
1315 | } | |
1316 | break; | |
1317 | } | |
1318 | } | |
1319 | ||
a65f4a57 MH |
1320 | static void |
1321 | wpa_driver_bsd_add_scan_entry(struct wpa_scan_results *res, | |
1322 | struct ieee80211req_scan_result *sr) | |
6fc6879b | 1323 | { |
a65f4a57 MH |
1324 | struct wpa_scan_res *result, **tmp; |
1325 | size_t extra_len; | |
1326 | u8 *pos; | |
6fc6879b | 1327 | |
a65f4a57 MH |
1328 | extra_len = 2 + sr->isr_ssid_len; |
1329 | extra_len += 2 + sr->isr_nrates; | |
1330 | extra_len += 3; /* ERP IE */ | |
1331 | extra_len += sr->isr_ie_len; | |
6fc6879b | 1332 | |
a65f4a57 MH |
1333 | result = os_zalloc(sizeof(*result) + extra_len); |
1334 | if (result == NULL) | |
1335 | return; | |
1336 | os_memcpy(result->bssid, sr->isr_bssid, ETH_ALEN); | |
1337 | result->freq = sr->isr_freq; | |
1338 | result->beacon_int = sr->isr_intval; | |
1339 | result->caps = sr->isr_capinfo; | |
1340 | result->qual = sr->isr_rssi; | |
1341 | result->noise = sr->isr_noise; | |
89f46900 RP |
1342 | /* |
1343 | * the rssi value reported by the kernel is in 0.5dB steps relative to | |
1344 | * the reported noise floor. see ieee80211_node.h for details. | |
1345 | */ | |
1346 | result->level = sr->isr_rssi / 2 + sr->isr_noise; | |
6fc6879b | 1347 | |
a65f4a57 | 1348 | pos = (u8 *)(result + 1); |
6fc6879b | 1349 | |
a65f4a57 MH |
1350 | *pos++ = WLAN_EID_SSID; |
1351 | *pos++ = sr->isr_ssid_len; | |
1352 | os_memcpy(pos, sr + 1, sr->isr_ssid_len); | |
1353 | pos += sr->isr_ssid_len; | |
6fc6879b | 1354 | |
a65f4a57 MH |
1355 | /* |
1356 | * Deal all rates as supported rate. | |
1357 | * Because net80211 doesn't report extended supported rate or not. | |
1358 | */ | |
1359 | *pos++ = WLAN_EID_SUPP_RATES; | |
1360 | *pos++ = sr->isr_nrates; | |
1361 | os_memcpy(pos, sr->isr_rates, sr->isr_nrates); | |
1362 | pos += sr->isr_nrates; | |
6fc6879b | 1363 | |
a65f4a57 MH |
1364 | *pos++ = WLAN_EID_ERP_INFO; |
1365 | *pos++ = 1; | |
1366 | *pos++ = sr->isr_erp; | |
6fc6879b | 1367 | |
a65f4a57 MH |
1368 | os_memcpy(pos, (u8 *)(sr + 1) + sr->isr_ssid_len, sr->isr_ie_len); |
1369 | pos += sr->isr_ie_len; | |
6fc6879b | 1370 | |
a65f4a57 MH |
1371 | result->ie_len = pos - (u8 *)(result + 1); |
1372 | ||
067ffa26 JM |
1373 | tmp = os_realloc_array(res->res, res->num + 1, |
1374 | sizeof(struct wpa_scan_res *)); | |
a65f4a57 MH |
1375 | if (tmp == NULL) { |
1376 | os_free(result); | |
1377 | return; | |
1378 | } | |
1379 | tmp[res->num++] = result; | |
1380 | res->res = tmp; | |
6fc6879b JM |
1381 | } |
1382 | ||
a65f4a57 MH |
1383 | struct wpa_scan_results * |
1384 | wpa_driver_bsd_get_scan_results2(void *priv) | |
6fc6879b | 1385 | { |
6fc6879b | 1386 | struct ieee80211req_scan_result *sr; |
a65f4a57 MH |
1387 | struct wpa_scan_results *res; |
1388 | int len, rest; | |
1389 | uint8_t buf[24*1024], *pos; | |
6fc6879b | 1390 | |
e1b1309b | 1391 | len = get80211var(priv, IEEE80211_IOC_SCAN_RESULTS, buf, 24*1024); |
6fc6879b | 1392 | if (len < 0) |
a65f4a57 MH |
1393 | return NULL; |
1394 | ||
1395 | res = os_zalloc(sizeof(*res)); | |
1396 | if (res == NULL) | |
1397 | return NULL; | |
6fc6879b | 1398 | |
a65f4a57 MH |
1399 | pos = buf; |
1400 | rest = len; | |
1401 | while (rest >= sizeof(struct ieee80211req_scan_result)) { | |
1402 | sr = (struct ieee80211req_scan_result *)pos; | |
1403 | wpa_driver_bsd_add_scan_entry(res, sr); | |
1404 | pos += sr->isr_len; | |
1405 | rest -= sr->isr_len; | |
6fc6879b | 1406 | } |
6fc6879b | 1407 | |
a65f4a57 MH |
1408 | wpa_printf(MSG_DEBUG, "Received %d bytes of scan results (%lu BSSes)", |
1409 | len, (unsigned long)res->num); | |
6fc6879b | 1410 | |
a65f4a57 | 1411 | return res; |
6fc6879b JM |
1412 | } |
1413 | ||
86b24ea9 | 1414 | static int wpa_driver_bsd_capa(struct bsd_driver_data *drv) |
42f34a9b | 1415 | { |
c6611ed9 MH |
1416 | #ifdef IEEE80211_IOC_DEVCAPS |
1417 | /* kernel definitions copied from net80211/ieee80211_var.h */ | |
1418 | #define IEEE80211_CIPHER_WEP 0 | |
1419 | #define IEEE80211_CIPHER_TKIP 1 | |
1420 | #define IEEE80211_CIPHER_AES_CCM 3 | |
1421 | #define IEEE80211_CRYPTO_WEP (1<<IEEE80211_CIPHER_WEP) | |
1422 | #define IEEE80211_CRYPTO_TKIP (1<<IEEE80211_CIPHER_TKIP) | |
1423 | #define IEEE80211_CRYPTO_AES_CCM (1<<IEEE80211_CIPHER_AES_CCM) | |
1424 | #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ | |
1425 | #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ | |
1426 | #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ | |
1427 | struct ieee80211_devcaps_req devcaps; | |
1428 | ||
1429 | if (get80211var(drv, IEEE80211_IOC_DEVCAPS, &devcaps, | |
1430 | sizeof(devcaps)) < 0) { | |
1431 | wpa_printf(MSG_ERROR, "failed to IEEE80211_IOC_DEVCAPS: %s", | |
1432 | strerror(errno)); | |
1433 | return -1; | |
1434 | } | |
1435 | ||
1436 | wpa_printf(MSG_DEBUG, "%s: drivercaps=0x%08x,cryptocaps=0x%08x", | |
1437 | __func__, devcaps.dc_drivercaps, devcaps.dc_cryptocaps); | |
1438 | ||
1439 | if (devcaps.dc_drivercaps & IEEE80211_C_WPA1) | |
1440 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | | |
1441 | WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK; | |
1442 | if (devcaps.dc_drivercaps & IEEE80211_C_WPA2) | |
1443 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | | |
1444 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; | |
1445 | ||
1446 | if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_WEP) | |
1447 | drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 | | |
1448 | WPA_DRIVER_CAPA_ENC_WEP104; | |
1449 | if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_TKIP) | |
1450 | drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP; | |
1451 | if (devcaps.dc_cryptocaps & IEEE80211_CRYPTO_AES_CCM) | |
1452 | drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP; | |
1453 | ||
1454 | if (devcaps.dc_drivercaps & IEEE80211_C_HOSTAP) | |
1455 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP; | |
1456 | #undef IEEE80211_CIPHER_WEP | |
1457 | #undef IEEE80211_CIPHER_TKIP | |
1458 | #undef IEEE80211_CIPHER_AES_CCM | |
1459 | #undef IEEE80211_CRYPTO_WEP | |
1460 | #undef IEEE80211_CRYPTO_TKIP | |
1461 | #undef IEEE80211_CRYPTO_AES_CCM | |
1462 | #undef IEEE80211_C_HOSTAP | |
1463 | #undef IEEE80211_C_WPA1 | |
1464 | #undef IEEE80211_C_WPA2 | |
1465 | #else /* IEEE80211_IOC_DEVCAPS */ | |
42f34a9b MH |
1466 | /* For now, assume TKIP, CCMP, WPA, WPA2 are supported */ |
1467 | drv->capa.key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA | | |
1468 | WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | | |
1469 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | | |
1470 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK; | |
1471 | drv->capa.enc = WPA_DRIVER_CAPA_ENC_WEP40 | | |
1472 | WPA_DRIVER_CAPA_ENC_WEP104 | | |
1473 | WPA_DRIVER_CAPA_ENC_TKIP | | |
1474 | WPA_DRIVER_CAPA_ENC_CCMP; | |
c6611ed9 MH |
1475 | drv->capa.flags |= WPA_DRIVER_FLAGS_AP; |
1476 | #endif /* IEEE80211_IOC_DEVCAPS */ | |
88487b0e MH |
1477 | #ifdef IEEE80211_IOC_SCAN_MAX_SSID |
1478 | drv->capa.max_scan_ssids = IEEE80211_IOC_SCAN_MAX_SSID; | |
c6611ed9 MH |
1479 | #else /* IEEE80211_IOC_SCAN_MAX_SSID */ |
1480 | drv->capa.max_scan_ssids = 1; | |
88487b0e | 1481 | #endif /* IEEE80211_IOC_SCAN_MAX_SSID */ |
c6611ed9 MH |
1482 | drv->capa.auth = WPA_DRIVER_AUTH_OPEN | |
1483 | WPA_DRIVER_AUTH_SHARED | | |
1484 | WPA_DRIVER_AUTH_LEAP; | |
42f34a9b MH |
1485 | return 0; |
1486 | } | |
1487 | ||
6fc6879b JM |
1488 | static void * |
1489 | wpa_driver_bsd_init(void *ctx, const char *ifname) | |
1490 | { | |
1491 | #define GETPARAM(drv, param, v) \ | |
1492 | (((v) = get80211param(drv, param)) != -1) | |
86b24ea9 | 1493 | struct bsd_driver_data *drv; |
6fc6879b JM |
1494 | |
1495 | drv = os_zalloc(sizeof(*drv)); | |
1496 | if (drv == NULL) | |
1497 | return NULL; | |
38bbd06e MH |
1498 | |
1499 | drv->event_buf_len = rtbuf_len(); | |
1500 | ||
1501 | drv->event_buf = os_malloc(drv->event_buf_len); | |
1502 | if (drv->event_buf == NULL) { | |
1503 | wpa_printf(MSG_ERROR, "%s: os_malloc() failed", __func__); | |
1504 | goto fail1; | |
1505 | } | |
1506 | ||
6fc6879b JM |
1507 | /* |
1508 | * NB: We require the interface name be mappable to an index. | |
1509 | * This implies we do not support having wpa_supplicant | |
1510 | * wait for an interface to appear. This seems ok; that | |
1511 | * doesn't belong here; it's really the job of devd. | |
1512 | */ | |
1513 | drv->ifindex = if_nametoindex(ifname); | |
1514 | if (drv->ifindex == 0) { | |
1515 | wpa_printf(MSG_DEBUG, "%s: interface %s does not exist", | |
1516 | __func__, ifname); | |
1517 | goto fail1; | |
1518 | } | |
1519 | drv->sock = socket(PF_INET, SOCK_DGRAM, 0); | |
1520 | if (drv->sock < 0) | |
1521 | goto fail1; | |
70a867c2 RP |
1522 | |
1523 | os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname)); | |
1524 | /* Down interface during setup. */ | |
1525 | if (bsd_ctrl_iface(drv, 0) < 0) | |
1526 | goto fail; | |
1527 | ||
6fc6879b JM |
1528 | drv->route = socket(PF_ROUTE, SOCK_RAW, 0); |
1529 | if (drv->route < 0) | |
1530 | goto fail; | |
1531 | eloop_register_read_sock(drv->route, | |
1532 | wpa_driver_bsd_event_receive, ctx, drv); | |
1533 | ||
1534 | drv->ctx = ctx; | |
42f34a9b | 1535 | |
6fc6879b JM |
1536 | if (!GETPARAM(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming)) { |
1537 | wpa_printf(MSG_DEBUG, "%s: failed to get roaming state: %s", | |
1538 | __func__, strerror(errno)); | |
1539 | goto fail; | |
1540 | } | |
1541 | if (!GETPARAM(drv, IEEE80211_IOC_PRIVACY, drv->prev_privacy)) { | |
1542 | wpa_printf(MSG_DEBUG, "%s: failed to get privacy state: %s", | |
1543 | __func__, strerror(errno)); | |
1544 | goto fail; | |
1545 | } | |
1546 | if (!GETPARAM(drv, IEEE80211_IOC_WPA, drv->prev_wpa)) { | |
1547 | wpa_printf(MSG_DEBUG, "%s: failed to get wpa state: %s", | |
1548 | __func__, strerror(errno)); | |
1549 | goto fail; | |
1550 | } | |
5197244a | 1551 | |
42f34a9b | 1552 | if (wpa_driver_bsd_capa(drv)) |
6fc6879b | 1553 | goto fail; |
4a867032 | 1554 | |
5dd82c63 RP |
1555 | drv->opmode = get80211opmode(drv); |
1556 | ||
6fc6879b JM |
1557 | return drv; |
1558 | fail: | |
1559 | close(drv->sock); | |
1560 | fail1: | |
38bbd06e | 1561 | os_free(drv->event_buf); |
6fc6879b JM |
1562 | os_free(drv); |
1563 | return NULL; | |
1564 | #undef GETPARAM | |
1565 | } | |
1566 | ||
1567 | static void | |
1568 | wpa_driver_bsd_deinit(void *priv) | |
1569 | { | |
86b24ea9 | 1570 | struct bsd_driver_data *drv = priv; |
6fc6879b | 1571 | |
4a867032 | 1572 | wpa_driver_bsd_set_wpa(drv, 0); |
6fc6879b JM |
1573 | eloop_unregister_read_sock(drv->route); |
1574 | ||
1575 | /* NB: mark interface down */ | |
e1b1309b | 1576 | bsd_ctrl_iface(drv, 0); |
6fc6879b JM |
1577 | |
1578 | wpa_driver_bsd_set_wpa_internal(drv, drv->prev_wpa, drv->prev_privacy); | |
1579 | if (set80211param(drv, IEEE80211_IOC_ROAMING, drv->prev_roaming) < 0) | |
1580 | wpa_printf(MSG_DEBUG, "%s: failed to restore roaming state", | |
1581 | __func__); | |
1582 | ||
42f34a9b MH |
1583 | if (drv->sock_xmit != NULL) |
1584 | l2_packet_deinit(drv->sock_xmit); | |
6fc6879b JM |
1585 | (void) close(drv->route); /* ioctl socket */ |
1586 | (void) close(drv->sock); /* event socket */ | |
38bbd06e | 1587 | os_free(drv->event_buf); |
6fc6879b JM |
1588 | os_free(drv); |
1589 | } | |
1590 | ||
42f34a9b MH |
1591 | static int |
1592 | wpa_driver_bsd_get_capa(void *priv, struct wpa_driver_capa *capa) | |
1593 | { | |
86b24ea9 | 1594 | struct bsd_driver_data *drv = priv; |
42f34a9b MH |
1595 | |
1596 | os_memcpy(capa, &drv->capa, sizeof(*capa)); | |
1597 | return 0; | |
1598 | } | |
e1b1309b | 1599 | #endif /* HOSTAPD */ |
42f34a9b | 1600 | |
6fc6879b JM |
1601 | |
1602 | const struct wpa_driver_ops wpa_driver_bsd_ops = { | |
1603 | .name = "bsd", | |
66d4085f | 1604 | .desc = "BSD 802.11 support", |
e1b1309b MH |
1605 | #ifdef HOSTAPD |
1606 | .hapd_init = bsd_init, | |
1607 | .hapd_deinit = bsd_deinit, | |
1608 | .set_privacy = bsd_set_privacy, | |
1609 | .get_seqnum = bsd_get_seqnum, | |
1610 | .flush = bsd_flush, | |
e1b1309b MH |
1611 | .read_sta_data = bsd_read_sta_driver_data, |
1612 | .sta_disassoc = bsd_sta_disassoc, | |
1613 | .sta_deauth = bsd_sta_deauth, | |
32dc6a31 | 1614 | .sta_set_flags = bsd_set_sta_authorized, |
646f12ad | 1615 | .commit = bsd_commit, |
e1b1309b | 1616 | #else /* HOSTAPD */ |
6fc6879b JM |
1617 | .init = wpa_driver_bsd_init, |
1618 | .deinit = wpa_driver_bsd_deinit, | |
1619 | .get_bssid = wpa_driver_bsd_get_bssid, | |
1620 | .get_ssid = wpa_driver_bsd_get_ssid, | |
6fc6879b | 1621 | .set_countermeasures = wpa_driver_bsd_set_countermeasures, |
c2e8d0a0 | 1622 | .scan2 = wpa_driver_bsd_scan, |
a65f4a57 | 1623 | .get_scan_results2 = wpa_driver_bsd_get_scan_results2, |
6fc6879b | 1624 | .deauthenticate = wpa_driver_bsd_deauthenticate, |
6fc6879b | 1625 | .associate = wpa_driver_bsd_associate, |
42f34a9b | 1626 | .get_capa = wpa_driver_bsd_get_capa, |
c5121837 | 1627 | #endif /* HOSTAPD */ |
6db1602d | 1628 | .set_freq = bsd_set_freq, |
e1b1309b MH |
1629 | .set_key = bsd_set_key, |
1630 | .set_ieee8021x = bsd_set_ieee8021x, | |
1631 | .hapd_set_ssid = bsd_set_ssid, | |
1632 | .hapd_get_ssid = bsd_get_ssid, | |
1633 | .hapd_send_eapol = bsd_send_eapol, | |
88487b0e | 1634 | .set_generic_elem = bsd_set_opt_ie, |
e1b1309b | 1635 | }; |