3 * Copyright (c) 2010, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
9 #include "utils/includes.h"
11 #include "utils/common.h"
12 #include "common/defs.h"
13 #include "common/ieee802_11_defs.h"
14 #include "common/ieee802_11_common.h"
15 #include "crypto/sha1.h"
19 struct wlantest_bss * bss_find(struct wlantest *wt, const u8 *bssid)
21 struct wlantest_bss *bss;
23 dl_list_for_each(bss, &wt->bss, struct wlantest_bss, list) {
24 if (os_memcmp(bss->bssid, bssid, ETH_ALEN) == 0)
32 struct wlantest_bss * bss_get(struct wlantest *wt, const u8 *bssid)
34 struct wlantest_bss *bss;
37 return NULL; /* Skip group addressed frames */
39 bss = bss_find(wt, bssid);
43 bss = os_zalloc(sizeof(*bss));
46 dl_list_init(&bss->sta);
47 dl_list_init(&bss->pmk);
48 dl_list_init(&bss->tdls);
49 os_memcpy(bss->bssid, bssid, ETH_ALEN);
50 dl_list_add(&wt->bss, &bss->list);
51 wpa_printf(MSG_DEBUG, "Discovered new BSS - " MACSTR,
57 void pmk_deinit(struct wlantest_pmk *pmk)
59 dl_list_del(&pmk->list);
64 void tdls_deinit(struct wlantest_tdls *tdls)
66 dl_list_del(&tdls->list);
71 void bss_deinit(struct wlantest_bss *bss)
73 struct wlantest_sta *sta, *n;
74 struct wlantest_pmk *pmk, *np;
75 struct wlantest_tdls *tdls, *nt;
76 dl_list_for_each_safe(sta, n, &bss->sta, struct wlantest_sta, list)
78 dl_list_for_each_safe(pmk, np, &bss->pmk, struct wlantest_pmk, list)
80 dl_list_for_each_safe(tdls, nt, &bss->tdls, struct wlantest_tdls, list)
82 dl_list_del(&bss->list);
87 int bss_add_pmk_from_passphrase(struct wlantest_bss *bss,
88 const char *passphrase)
90 struct wlantest_pmk *pmk;
92 pmk = os_zalloc(sizeof(*pmk));
95 if (pbkdf2_sha1(passphrase, bss->ssid, bss->ssid_len, 4096,
96 pmk->pmk, sizeof(pmk->pmk)) < 0) {
101 wpa_printf(MSG_INFO, "Add possible PMK for BSSID " MACSTR
102 " based on passphrase '%s'",
103 MAC2STR(bss->bssid), passphrase);
104 wpa_hexdump(MSG_DEBUG, "Possible PMK", pmk->pmk, sizeof(pmk->pmk));
105 dl_list_add(&bss->pmk, &pmk->list);
111 static void bss_add_pmk(struct wlantest *wt, struct wlantest_bss *bss)
113 struct wlantest_passphrase *p;
115 dl_list_for_each(p, &wt->passphrase, struct wlantest_passphrase, list)
117 if (!is_zero_ether_addr(p->bssid) &&
118 os_memcmp(p->bssid, bss->bssid, ETH_ALEN) != 0)
121 (p->ssid_len != bss->ssid_len ||
122 os_memcmp(p->ssid, bss->ssid, p->ssid_len) != 0))
125 if (bss_add_pmk_from_passphrase(bss, p->passphrase) < 0)
131 void bss_update(struct wlantest *wt, struct wlantest_bss *bss,
132 struct ieee802_11_elems *elems)
134 struct wpa_ie_data data;
137 if (bss->capab_info != bss->prev_capab_info)
140 if (elems->ssid == NULL || elems->ssid_len > 32) {
141 wpa_printf(MSG_INFO, "Invalid or missing SSID in a Beacon "
142 "frame for " MACSTR, MAC2STR(bss->bssid));
143 bss->parse_error_reported = 1;
147 if (bss->ssid_len != elems->ssid_len ||
148 os_memcmp(bss->ssid, elems->ssid, bss->ssid_len) != 0) {
149 wpa_printf(MSG_DEBUG, "Store SSID '%s' for BSSID " MACSTR,
150 wpa_ssid_txt(elems->ssid, elems->ssid_len),
151 MAC2STR(bss->bssid));
152 os_memcpy(bss->ssid, elems->ssid, elems->ssid_len);
153 bss->ssid_len = elems->ssid_len;
154 bss_add_pmk(wt, bss);
157 if (elems->osen == NULL) {
158 if (bss->osenie[0]) {
159 add_note(wt, MSG_INFO, "BSS " MACSTR
160 " - OSEN IE removed", MAC2STR(bss->bssid));
165 if (bss->osenie[0] == 0 ||
166 os_memcmp(bss->osenie, elems->osen - 2,
167 elems->osen_len + 2) != 0) {
168 wpa_printf(MSG_INFO, "BSS " MACSTR " - OSEN IE "
169 "stored", MAC2STR(bss->bssid));
170 wpa_hexdump(MSG_DEBUG, "OSEN IE", elems->osen - 2,
171 elems->osen_len + 2);
174 os_memcpy(bss->osenie, elems->osen - 2,
175 elems->osen_len + 2);
178 if (elems->rsn_ie == NULL) {
180 add_note(wt, MSG_INFO, "BSS " MACSTR
181 " - RSN IE removed", MAC2STR(bss->bssid));
186 if (bss->rsnie[0] == 0 ||
187 os_memcmp(bss->rsnie, elems->rsn_ie - 2,
188 elems->rsn_ie_len + 2) != 0) {
189 wpa_printf(MSG_INFO, "BSS " MACSTR " - RSN IE "
190 "stored", MAC2STR(bss->bssid));
191 wpa_hexdump(MSG_DEBUG, "RSN IE", elems->rsn_ie - 2,
192 elems->rsn_ie_len + 2);
195 os_memcpy(bss->rsnie, elems->rsn_ie - 2,
196 elems->rsn_ie_len + 2);
199 if (elems->wpa_ie == NULL) {
201 add_note(wt, MSG_INFO, "BSS " MACSTR
202 " - WPA IE removed", MAC2STR(bss->bssid));
207 if (bss->wpaie[0] == 0 ||
208 os_memcmp(bss->wpaie, elems->wpa_ie - 2,
209 elems->wpa_ie_len + 2) != 0) {
210 wpa_printf(MSG_INFO, "BSS " MACSTR " - WPA IE "
211 "stored", MAC2STR(bss->bssid));
212 wpa_hexdump(MSG_DEBUG, "WPA IE", elems->wpa_ie - 2,
213 elems->wpa_ie_len + 2);
216 os_memcpy(bss->wpaie, elems->wpa_ie - 2,
217 elems->wpa_ie_len + 2);
221 os_memcpy(bss->mdid, elems->mdie, 2);
226 bss->prev_capab_info = bss->capab_info;
228 bss->pairwise_cipher = 0;
229 bss->group_cipher = 0;
232 bss->mgmt_group_cipher = 0;
235 if (wpa_parse_wpa_ie_wpa(bss->wpaie, 2 + bss->wpaie[1], &data)
237 add_note(wt, MSG_INFO, "Failed to parse WPA IE from "
238 MACSTR, MAC2STR(bss->bssid));
240 bss->proto |= data.proto;
241 bss->pairwise_cipher |= data.pairwise_cipher;
242 bss->group_cipher |= data.group_cipher;
243 bss->key_mgmt |= data.key_mgmt;
244 bss->rsn_capab = data.capabilities;
245 bss->mgmt_group_cipher |= data.mgmt_group_cipher;
250 if (wpa_parse_wpa_ie_rsn(bss->rsnie, 2 + bss->rsnie[1], &data)
252 add_note(wt, MSG_INFO, "Failed to parse RSN IE from "
253 MACSTR, MAC2STR(bss->bssid));
255 bss->proto |= data.proto;
256 bss->pairwise_cipher |= data.pairwise_cipher;
257 bss->group_cipher |= data.group_cipher;
258 bss->key_mgmt |= data.key_mgmt;
259 bss->rsn_capab = data.capabilities;
260 bss->mgmt_group_cipher |= data.mgmt_group_cipher;
264 if (bss->osenie[0]) {
265 bss->proto |= WPA_PROTO_OSEN;
266 bss->pairwise_cipher |= WPA_CIPHER_CCMP;
267 bss->group_cipher |= WPA_CIPHER_CCMP;
268 bss->key_mgmt |= WPA_KEY_MGMT_OSEN;
271 if (!(bss->proto & WPA_PROTO_RSN) ||
272 !(bss->rsn_capab & WPA_CAPABILITY_MFPC))
273 bss->mgmt_group_cipher = 0;
275 if (!bss->wpaie[0] && !bss->rsnie[0] && !bss->osenie[0] &&
276 (bss->capab_info & WLAN_CAPABILITY_PRIVACY))
277 bss->group_cipher = WPA_CIPHER_WEP40;
279 wpa_printf(MSG_INFO, "BSS " MACSTR
281 "pairwise=%s%s%s%s%s%s%s"
282 "group=%s%s%s%s%s%s%s%s%s"
283 "mgmt_group_cipher=%s%s%s%s%s"
284 "key_mgmt=%s%s%s%s%s%s%s%s%s"
285 "rsn_capab=%s%s%s%s%s",
287 bss->proto == 0 ? "OPEN " : "",
288 bss->proto & WPA_PROTO_WPA ? "WPA " : "",
289 bss->proto & WPA_PROTO_RSN ? "WPA2 " : "",
290 bss->proto & WPA_PROTO_OSEN ? "OSEN " : "",
291 bss->pairwise_cipher == 0 ? "N/A " : "",
292 bss->pairwise_cipher & WPA_CIPHER_NONE ? "NONE " : "",
293 bss->pairwise_cipher & WPA_CIPHER_TKIP ? "TKIP " : "",
294 bss->pairwise_cipher & WPA_CIPHER_CCMP ? "CCMP " : "",
295 bss->pairwise_cipher & WPA_CIPHER_CCMP_256 ? "CCMP-256 " :
297 bss->pairwise_cipher & WPA_CIPHER_GCMP ? "GCMP " : "",
298 bss->pairwise_cipher & WPA_CIPHER_GCMP_256 ? "GCMP-256 " :
300 bss->group_cipher == 0 ? "N/A " : "",
301 bss->group_cipher & WPA_CIPHER_NONE ? "NONE " : "",
302 bss->group_cipher & WPA_CIPHER_WEP40 ? "WEP40 " : "",
303 bss->group_cipher & WPA_CIPHER_WEP104 ? "WEP104 " : "",
304 bss->group_cipher & WPA_CIPHER_TKIP ? "TKIP " : "",
305 bss->group_cipher & WPA_CIPHER_CCMP ? "CCMP " : "",
306 bss->group_cipher & WPA_CIPHER_CCMP_256 ? "CCMP-256 " : "",
307 bss->group_cipher & WPA_CIPHER_GCMP ? "GCMP " : "",
308 bss->group_cipher & WPA_CIPHER_GCMP_256 ? "GCMP-256 " : "",
309 bss->mgmt_group_cipher == 0 ? "N/A " : "",
310 bss->mgmt_group_cipher & WPA_CIPHER_AES_128_CMAC ?
312 bss->mgmt_group_cipher & WPA_CIPHER_BIP_GMAC_128 ?
313 "BIP-GMAC-128 " : "",
314 bss->mgmt_group_cipher & WPA_CIPHER_BIP_GMAC_256 ?
315 "BIP-GMAC-256 " : "",
316 bss->mgmt_group_cipher & WPA_CIPHER_BIP_CMAC_256 ?
317 "BIP-CMAC-256 " : "",
318 bss->key_mgmt == 0 ? "N/A " : "",
319 bss->key_mgmt & WPA_KEY_MGMT_IEEE8021X ? "EAP " : "",
320 bss->key_mgmt & WPA_KEY_MGMT_PSK ? "PSK " : "",
321 bss->key_mgmt & WPA_KEY_MGMT_WPA_NONE ? "WPA-NONE " : "",
322 bss->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X ? "FT-EAP " : "",
323 bss->key_mgmt & WPA_KEY_MGMT_FT_PSK ? "FT-PSK " : "",
324 bss->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256 ?
326 bss->key_mgmt & WPA_KEY_MGMT_PSK_SHA256 ?
328 bss->key_mgmt & WPA_KEY_MGMT_OSEN ? "OSEN " : "",
329 bss->rsn_capab & WPA_CAPABILITY_PREAUTH ? "PREAUTH " : "",
330 bss->rsn_capab & WPA_CAPABILITY_NO_PAIRWISE ?
332 bss->rsn_capab & WPA_CAPABILITY_MFPR ? "MFPR " : "",
333 bss->rsn_capab & WPA_CAPABILITY_MFPC ? "MFPC " : "",
334 bss->rsn_capab & WPA_CAPABILITY_PEERKEY_ENABLED ?
339 void bss_flush(struct wlantest *wt)
341 struct wlantest_bss *bss, *n;
342 dl_list_for_each_safe(bss, n, &wt->bss, struct wlantest_bss, list)