1 /*
2 * hostapd / Configuration helper functions
3 * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9 #include "utils/includes.h"
10
11 #include "utils/common.h"
12 #include "crypto/sha1.h"
13 #include "radius/radius_client.h"
14 #include "common/ieee802_11_defs.h"
15 #include "common/eapol_common.h"
16 #include "eap_common/eap_wsc_common.h"
17 #include "eap_server/eap.h"
18 #include "wpa_auth.h"
19 #include "sta_info.h"
20 #include "ap_config.h"
21
22
hostapd_config_free_vlan(struct hostapd_bss_config * bss)23 static void hostapd_config_free_vlan(struct hostapd_bss_config *bss)
24 {
25 struct hostapd_vlan *vlan, *prev;
26
27 vlan = bss->vlan;
28 prev = NULL;
29 while (vlan) {
30 prev = vlan;
31 vlan = vlan->next;
32 os_free(prev);
33 }
34
35 bss->vlan = NULL;
36 }
37
38
hostapd_config_defaults_bss(struct hostapd_bss_config * bss)39 void hostapd_config_defaults_bss(struct hostapd_bss_config *bss)
40 {
41 bss->logger_syslog_level = HOSTAPD_LEVEL_INFO;
42 bss->logger_stdout_level = HOSTAPD_LEVEL_INFO;
43 bss->logger_syslog = (unsigned int) -1;
44 bss->logger_stdout = (unsigned int) -1;
45
46 bss->auth_algs = WPA_AUTH_ALG_OPEN | WPA_AUTH_ALG_SHARED;
47
48 bss->wep_rekeying_period = 300;
49 /* use key0 in individual key and key1 in broadcast key */
50 bss->broadcast_key_idx_min = 1;
51 bss->broadcast_key_idx_max = 2;
52 bss->eap_reauth_period = 3600;
53
54 bss->wpa_group_rekey = 600;
55 bss->wpa_gmk_rekey = 86400;
56 bss->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
57 bss->wpa_pairwise = WPA_CIPHER_TKIP;
58 bss->wpa_group = WPA_CIPHER_TKIP;
59 bss->rsn_pairwise = 0;
60
61 bss->max_num_sta = MAX_STA_COUNT;
62
63 bss->dtim_period = 2;
64
65 bss->radius_server_auth_port = 1812;
66 bss->ap_max_inactivity = AP_MAX_INACTIVITY;
67 bss->eapol_version = EAPOL_VERSION;
68
69 bss->max_listen_interval = 65535;
70
71 bss->pwd_group = 19; /* ECC: GF(p=256) */
72
73 #ifdef CONFIG_IEEE80211W
74 bss->assoc_sa_query_max_timeout = 1000;
75 bss->assoc_sa_query_retry_timeout = 201;
76 #endif /* CONFIG_IEEE80211W */
77 #ifdef EAP_SERVER_FAST
78 /* both anonymous and authenticated provisioning */
79 bss->eap_fast_prov = 3;
80 bss->pac_key_lifetime = 7 * 24 * 60 * 60;
81 bss->pac_key_refresh_time = 1 * 24 * 60 * 60;
82 #endif /* EAP_SERVER_FAST */
83
84 /* Set to -1 as defaults depends on HT in setup */
85 bss->wmm_enabled = -1;
86
87 #ifdef CONFIG_IEEE80211R
88 bss->ft_over_ds = 1;
89 #endif /* CONFIG_IEEE80211R */
90
91 bss->radius_das_time_window = 300;
92 }
93
94
hostapd_config_defaults(void)95 struct hostapd_config * hostapd_config_defaults(void)
96 {
97 #define ecw2cw(ecw) ((1 << (ecw)) - 1)
98
99 struct hostapd_config *conf;
100 struct hostapd_bss_config *bss;
101 const int aCWmin = 4, aCWmax = 10;
102 const struct hostapd_wmm_ac_params ac_bk =
103 { aCWmin, aCWmax, 7, 0, 0 }; /* background traffic */
104 const struct hostapd_wmm_ac_params ac_be =
105 { aCWmin, aCWmax, 3, 0, 0 }; /* best effort traffic */
106 const struct hostapd_wmm_ac_params ac_vi = /* video traffic */
107 { aCWmin - 1, aCWmin, 2, 3000 / 32, 0 };
108 const struct hostapd_wmm_ac_params ac_vo = /* voice traffic */
109 { aCWmin - 2, aCWmin - 1, 2, 1500 / 32, 0 };
110 const struct hostapd_tx_queue_params txq_bk =
111 { 7, ecw2cw(aCWmin), ecw2cw(aCWmax), 0 };
112 const struct hostapd_tx_queue_params txq_be =
113 { 3, ecw2cw(aCWmin), 4 * (ecw2cw(aCWmin) + 1) - 1, 0};
114 const struct hostapd_tx_queue_params txq_vi =
115 { 1, (ecw2cw(aCWmin) + 1) / 2 - 1, ecw2cw(aCWmin), 30};
116 const struct hostapd_tx_queue_params txq_vo =
117 { 1, (ecw2cw(aCWmin) + 1) / 4 - 1,
118 (ecw2cw(aCWmin) + 1) / 2 - 1, 15};
119
120 #undef ecw2cw
121
122 conf = os_zalloc(sizeof(*conf));
123 bss = os_zalloc(sizeof(*bss));
124 if (conf == NULL || bss == NULL) {
125 wpa_printf(MSG_ERROR, "Failed to allocate memory for "
126 "configuration data.");
127 os_free(conf);
128 os_free(bss);
129 return NULL;
130 }
131
132 bss->radius = os_zalloc(sizeof(*bss->radius));
133 if (bss->radius == NULL) {
134 os_free(conf);
135 os_free(bss);
136 return NULL;
137 }
138
139 hostapd_config_defaults_bss(bss);
140
141 conf->num_bss = 1;
142 conf->bss = bss;
143
144 conf->beacon_int = 100;
145 conf->rts_threshold = -1; /* use driver default: 2347 */
146 conf->fragm_threshold = -1; /* user driver default: 2346 */
147 conf->send_probe_response = 1;
148
149 conf->wmm_ac_params[0] = ac_be;
150 conf->wmm_ac_params[1] = ac_bk;
151 conf->wmm_ac_params[2] = ac_vi;
152 conf->wmm_ac_params[3] = ac_vo;
153
154 conf->tx_queue[0] = txq_vo;
155 conf->tx_queue[1] = txq_vi;
156 conf->tx_queue[2] = txq_be;
157 conf->tx_queue[3] = txq_bk;
158
159 conf->ht_capab = HT_CAP_INFO_SMPS_DISABLED;
160
161 return conf;
162 }
163
164
hostapd_mac_comp(const void * a,const void * b)165 int hostapd_mac_comp(const void *a, const void *b)
166 {
167 return os_memcmp(a, b, sizeof(macaddr));
168 }
169
170
hostapd_mac_comp_empty(const void * a)171 int hostapd_mac_comp_empty(const void *a)
172 {
173 macaddr empty = { 0 };
174 return os_memcmp(a, empty, sizeof(macaddr));
175 }
176
177
hostapd_config_read_wpa_psk(const char * fname,struct hostapd_ssid * ssid)178 static int hostapd_config_read_wpa_psk(const char *fname,
179 struct hostapd_ssid *ssid)
180 {
181 FILE *f;
182 char buf[128], *pos;
183 int line = 0, ret = 0, len, ok;
184 u8 addr[ETH_ALEN];
185 struct hostapd_wpa_psk *psk;
186
187 if (!fname)
188 return 0;
189
190 f = fopen(fname, "r");
191 if (!f) {
192 wpa_printf(MSG_ERROR, "WPA PSK file '%s' not found.", fname);
193 return -1;
194 }
195
196 while (fgets(buf, sizeof(buf), f)) {
197 line++;
198
199 if (buf[0] == '#')
200 continue;
201 pos = buf;
202 while (*pos != '\0') {
203 if (*pos == '\n') {
204 *pos = '\0';
205 break;
206 }
207 pos++;
208 }
209 if (buf[0] == '\0')
210 continue;
211
212 if (hwaddr_aton(buf, addr)) {
213 wpa_printf(MSG_ERROR, "Invalid MAC address '%s' on "
214 "line %d in '%s'", buf, line, fname);
215 ret = -1;
216 break;
217 }
218
219 psk = os_zalloc(sizeof(*psk));
220 if (psk == NULL) {
221 wpa_printf(MSG_ERROR, "WPA PSK allocation failed");
222 ret = -1;
223 break;
224 }
225 if (is_zero_ether_addr(addr))
226 psk->group = 1;
227 else
228 os_memcpy(psk->addr, addr, ETH_ALEN);
229
230 pos = buf + 17;
231 if (*pos == '\0') {
232 wpa_printf(MSG_ERROR, "No PSK on line %d in '%s'",
233 line, fname);
234 os_free(psk);
235 ret = -1;
236 break;
237 }
238 pos++;
239
240 ok = 0;
241 len = os_strlen(pos);
242 if (len == 64 && hexstr2bin(pos, psk->psk, PMK_LEN) == 0)
243 ok = 1;
244 else if (len >= 8 && len < 64) {
245 pbkdf2_sha1(pos, ssid->ssid, ssid->ssid_len,
246 4096, psk->psk, PMK_LEN);
247 ok = 1;
248 }
249 if (!ok) {
250 wpa_printf(MSG_ERROR, "Invalid PSK '%s' on line %d in "
251 "'%s'", pos, line, fname);
252 os_free(psk);
253 ret = -1;
254 break;
255 }
256
257 psk->next = ssid->wpa_psk;
258 ssid->wpa_psk = psk;
259 }
260
261 fclose(f);
262
263 return ret;
264 }
265
266
hostapd_derive_psk(struct hostapd_ssid * ssid)267 static int hostapd_derive_psk(struct hostapd_ssid *ssid)
268 {
269 ssid->wpa_psk = os_zalloc(sizeof(struct hostapd_wpa_psk));
270 if (ssid->wpa_psk == NULL) {
271 wpa_printf(MSG_ERROR, "Unable to alloc space for PSK");
272 return -1;
273 }
274 wpa_hexdump_ascii(MSG_DEBUG, "SSID",
275 (u8 *) ssid->ssid, ssid->ssid_len);
276 wpa_hexdump_ascii_key(MSG_DEBUG, "PSK (ASCII passphrase)",
277 (u8 *) ssid->wpa_passphrase,
278 os_strlen(ssid->wpa_passphrase));
279 pbkdf2_sha1(ssid->wpa_passphrase,
280 ssid->ssid, ssid->ssid_len,
281 4096, ssid->wpa_psk->psk, PMK_LEN);
282 wpa_hexdump_key(MSG_DEBUG, "PSK (from passphrase)",
283 ssid->wpa_psk->psk, PMK_LEN);
284 return 0;
285 }
286
287
hostapd_setup_wpa_psk(struct hostapd_bss_config * conf)288 int hostapd_setup_wpa_psk(struct hostapd_bss_config *conf)
289 {
290 struct hostapd_ssid *ssid = &conf->ssid;
291
292 if (ssid->wpa_passphrase != NULL) {
293 if (ssid->wpa_psk != NULL) {
294 wpa_printf(MSG_DEBUG, "Using pre-configured WPA PSK "
295 "instead of passphrase");
296 } else {
297 wpa_printf(MSG_DEBUG, "Deriving WPA PSK based on "
298 "passphrase");
299 if (hostapd_derive_psk(ssid) < 0)
300 return -1;
301 }
302 ssid->wpa_psk->group = 1;
303 }
304
305 if (ssid->wpa_psk_file) {
306 if (hostapd_config_read_wpa_psk(ssid->wpa_psk_file,
307 &conf->ssid))
308 return -1;
309 }
310
311 return 0;
312 }
313
314
hostapd_wep_key_cmp(struct hostapd_wep_keys * a,struct hostapd_wep_keys * b)315 int hostapd_wep_key_cmp(struct hostapd_wep_keys *a, struct hostapd_wep_keys *b)
316 {
317 int i;
318
319 if (a->idx != b->idx || a->default_len != b->default_len)
320 return 1;
321 for (i = 0; i < NUM_WEP_KEYS; i++)
322 if (a->len[i] != b->len[i] ||
323 os_memcmp(a->key[i], b->key[i], a->len[i]) != 0)
324 return 1;
325 return 0;
326 }
327
328
hostapd_config_free_radius(struct hostapd_radius_server * servers,int num_servers)329 static void hostapd_config_free_radius(struct hostapd_radius_server *servers,
330 int num_servers)
331 {
332 int i;
333
334 for (i = 0; i < num_servers; i++) {
335 os_free(servers[i].shared_secret);
336 }
337 os_free(servers);
338 }
339
340
341 struct hostapd_radius_attr *
hostapd_config_get_radius_attr(struct hostapd_radius_attr * attr,u8 type)342 hostapd_config_get_radius_attr(struct hostapd_radius_attr *attr, u8 type)
343 {
344 for (; attr; attr = attr->next) {
345 if (attr->type == type)
346 return attr;
347 }
348 return NULL;
349 }
350
351
hostapd_config_free_radius_attr(struct hostapd_radius_attr * attr)352 static void hostapd_config_free_radius_attr(struct hostapd_radius_attr *attr)
353 {
354 struct hostapd_radius_attr *prev;
355
356 while (attr) {
357 prev = attr;
358 attr = attr->next;
359 wpabuf_free(prev->val);
360 os_free(prev);
361 }
362 }
363
364
hostapd_config_free_eap_user(struct hostapd_eap_user * user)365 static void hostapd_config_free_eap_user(struct hostapd_eap_user *user)
366 {
367 os_free(user->identity);
368 os_free(user->password);
369 os_free(user);
370 }
371
372
hostapd_config_free_wep(struct hostapd_wep_keys * keys)373 static void hostapd_config_free_wep(struct hostapd_wep_keys *keys)
374 {
375 int i;
376 for (i = 0; i < NUM_WEP_KEYS; i++) {
377 os_free(keys->key[i]);
378 keys->key[i] = NULL;
379 }
380 }
381
382
hostapd_config_free_bss(struct hostapd_bss_config * conf)383 static void hostapd_config_free_bss(struct hostapd_bss_config *conf)
384 {
385 struct hostapd_wpa_psk *psk, *prev;
386 struct hostapd_eap_user *user, *prev_user;
387
388 if (conf == NULL)
389 return;
390
391 psk = conf->ssid.wpa_psk;
392 while (psk) {
393 prev = psk;
394 psk = psk->next;
395 os_free(prev);
396 }
397
398 os_free(conf->ssid.wpa_passphrase);
399 os_free(conf->ssid.wpa_psk_file);
400 hostapd_config_free_wep(&conf->ssid.wep);
401 #ifdef CONFIG_FULL_DYNAMIC_VLAN
402 os_free(conf->ssid.vlan_tagged_interface);
403 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
404
405 user = conf->eap_user;
406 while (user) {
407 prev_user = user;
408 user = user->next;
409 hostapd_config_free_eap_user(prev_user);
410 }
411
412 os_free(conf->dump_log_name);
413 os_free(conf->eap_req_id_text);
414 os_free(conf->accept_mac);
415 os_free(conf->deny_mac);
416 os_free(conf->nas_identifier);
417 hostapd_config_free_radius(conf->radius->auth_servers,
418 conf->radius->num_auth_servers);
419 hostapd_config_free_radius(conf->radius->acct_servers,
420 conf->radius->num_acct_servers);
421 hostapd_config_free_radius_attr(conf->radius_auth_req_attr);
422 hostapd_config_free_radius_attr(conf->radius_acct_req_attr);
423 os_free(conf->rsn_preauth_interfaces);
424 os_free(conf->ctrl_interface);
425 os_free(conf->ca_cert);
426 os_free(conf->server_cert);
427 os_free(conf->private_key);
428 os_free(conf->private_key_passwd);
429 os_free(conf->dh_file);
430 os_free(conf->pac_opaque_encr_key);
431 os_free(conf->eap_fast_a_id);
432 os_free(conf->eap_fast_a_id_info);
433 os_free(conf->eap_sim_db);
434 os_free(conf->radius_server_clients);
435 os_free(conf->test_socket);
436 os_free(conf->radius);
437 os_free(conf->radius_das_shared_secret);
438 hostapd_config_free_vlan(conf);
439 if (conf->ssid.dyn_vlan_keys) {
440 struct hostapd_ssid *ssid = &conf->ssid;
441 size_t i;
442 for (i = 0; i <= ssid->max_dyn_vlan_keys; i++) {
443 if (ssid->dyn_vlan_keys[i] == NULL)
444 continue;
445 hostapd_config_free_wep(ssid->dyn_vlan_keys[i]);
446 os_free(ssid->dyn_vlan_keys[i]);
447 }
448 os_free(ssid->dyn_vlan_keys);
449 ssid->dyn_vlan_keys = NULL;
450 }
451
452 os_free(conf->time_zone);
453
454 #ifdef CONFIG_IEEE80211R
455 {
456 struct ft_remote_r0kh *r0kh, *r0kh_prev;
457 struct ft_remote_r1kh *r1kh, *r1kh_prev;
458
459 r0kh = conf->r0kh_list;
460 conf->r0kh_list = NULL;
461 while (r0kh) {
462 r0kh_prev = r0kh;
463 r0kh = r0kh->next;
464 os_free(r0kh_prev);
465 }
466
467 r1kh = conf->r1kh_list;
468 conf->r1kh_list = NULL;
469 while (r1kh) {
470 r1kh_prev = r1kh;
471 r1kh = r1kh->next;
472 os_free(r1kh_prev);
473 }
474 }
475 #endif /* CONFIG_IEEE80211R */
476
477 #ifdef CONFIG_WPS
478 os_free(conf->wps_pin_requests);
479 os_free(conf->device_name);
480 os_free(conf->manufacturer);
481 os_free(conf->model_name);
482 os_free(conf->model_number);
483 os_free(conf->serial_number);
484 os_free(conf->config_methods);
485 os_free(conf->ap_pin);
486 os_free(conf->extra_cred);
487 os_free(conf->ap_settings);
488 os_free(conf->upnp_iface);
489 os_free(conf->friendly_name);
490 os_free(conf->manufacturer_url);
491 os_free(conf->model_description);
492 os_free(conf->model_url);
493 os_free(conf->upc);
494 wpabuf_free(conf->wps_nfc_dh_pubkey);
495 wpabuf_free(conf->wps_nfc_dh_privkey);
496 wpabuf_free(conf->wps_nfc_dev_pw);
497 #endif /* CONFIG_WPS */
498
499 os_free(conf->roaming_consortium);
500 os_free(conf->venue_name);
501 os_free(conf->nai_realm_data);
502 os_free(conf->network_auth_type);
503 os_free(conf->anqp_3gpp_cell_net);
504 os_free(conf->domain_name);
505
506 #ifdef CONFIG_RADIUS_TEST
507 os_free(conf->dump_msk_file);
508 #endif /* CONFIG_RADIUS_TEST */
509
510 #ifdef CONFIG_HS20
511 os_free(conf->hs20_oper_friendly_name);
512 os_free(conf->hs20_wan_metrics);
513 os_free(conf->hs20_connection_capability);
514 os_free(conf->hs20_operating_class);
515 #endif /* CONFIG_HS20 */
516
517 wpabuf_free(conf->vendor_elements);
518 }
519
520
521 /**
522 * hostapd_config_free - Free hostapd configuration
523 * @conf: Configuration data from hostapd_config_read().
524 */
hostapd_config_free(struct hostapd_config * conf)525 void hostapd_config_free(struct hostapd_config *conf)
526 {
527 size_t i;
528
529 if (conf == NULL)
530 return;
531
532 for (i = 0; i < conf->num_bss; i++)
533 hostapd_config_free_bss(&conf->bss[i]);
534 os_free(conf->bss);
535 os_free(conf->supported_rates);
536 os_free(conf->basic_rates);
537
538 os_free(conf);
539 }
540
541
542 /**
543 * hostapd_maclist_found - Find a MAC address from a list
544 * @list: MAC address list
545 * @num_entries: Number of addresses in the list
546 * @addr: Address to search for
547 * @vlan_id: Buffer for returning VLAN ID or %NULL if not needed
548 * Returns: 1 if address is in the list or 0 if not.
549 *
550 * Perform a binary search for given MAC address from a pre-sorted list.
551 */
hostapd_maclist_found(struct mac_acl_entry * list,int num_entries,const u8 * addr,int * vlan_id)552 int hostapd_maclist_found(struct mac_acl_entry *list, int num_entries,
553 const u8 *addr, int *vlan_id)
554 {
555 int start, end, middle, res;
556
557 start = 0;
558 end = num_entries - 1;
559
560 while (start <= end) {
561 middle = (start + end) / 2;
562 res = os_memcmp(list[middle].addr, addr, ETH_ALEN);
563 if (res == 0) {
564 if (vlan_id)
565 *vlan_id = list[middle].vlan_id;
566 return 1;
567 }
568 if (res < 0)
569 start = middle + 1;
570 else
571 end = middle - 1;
572 }
573
574 return 0;
575 }
576
577
hostapd_rate_found(int * list,int rate)578 int hostapd_rate_found(int *list, int rate)
579 {
580 int i;
581
582 if (list == NULL)
583 return 0;
584
585 for (i = 0; list[i] >= 0; i++)
586 if (list[i] == rate)
587 return 1;
588
589 return 0;
590 }
591
592
hostapd_get_vlan_id_ifname(struct hostapd_vlan * vlan,int vlan_id)593 const char * hostapd_get_vlan_id_ifname(struct hostapd_vlan *vlan, int vlan_id)
594 {
595 struct hostapd_vlan *v = vlan;
596 while (v) {
597 if (v->vlan_id == vlan_id || v->vlan_id == VLAN_ID_WILDCARD)
598 return v->ifname;
599 v = v->next;
600 }
601 return NULL;
602 }
603
604
hostapd_get_psk(const struct hostapd_bss_config * conf,const u8 * addr,const u8 * prev_psk)605 const u8 * hostapd_get_psk(const struct hostapd_bss_config *conf,
606 const u8 *addr, const u8 *prev_psk)
607 {
608 struct hostapd_wpa_psk *psk;
609 int next_ok = prev_psk == NULL;
610
611 for (psk = conf->ssid.wpa_psk; psk != NULL; psk = psk->next) {
612 if (next_ok &&
613 (psk->group || os_memcmp(psk->addr, addr, ETH_ALEN) == 0))
614 return psk->psk;
615
616 if (psk->psk == prev_psk)
617 next_ok = 1;
618 }
619
620 return NULL;
621 }
622
623
624 const struct hostapd_eap_user *
hostapd_get_eap_user(const struct hostapd_bss_config * conf,const u8 * identity,size_t identity_len,int phase2)625 hostapd_get_eap_user(const struct hostapd_bss_config *conf, const u8 *identity,
626 size_t identity_len, int phase2)
627 {
628 struct hostapd_eap_user *user = conf->eap_user;
629
630 #ifdef CONFIG_WPS
631 if (conf->wps_state && identity_len == WSC_ID_ENROLLEE_LEN &&
632 os_memcmp(identity, WSC_ID_ENROLLEE, WSC_ID_ENROLLEE_LEN) == 0) {
633 static struct hostapd_eap_user wsc_enrollee;
634 os_memset(&wsc_enrollee, 0, sizeof(wsc_enrollee));
635 wsc_enrollee.methods[0].method = eap_server_get_type(
636 "WSC", &wsc_enrollee.methods[0].vendor);
637 return &wsc_enrollee;
638 }
639
640 if (conf->wps_state && identity_len == WSC_ID_REGISTRAR_LEN &&
641 os_memcmp(identity, WSC_ID_REGISTRAR, WSC_ID_REGISTRAR_LEN) == 0) {
642 static struct hostapd_eap_user wsc_registrar;
643 os_memset(&wsc_registrar, 0, sizeof(wsc_registrar));
644 wsc_registrar.methods[0].method = eap_server_get_type(
645 "WSC", &wsc_registrar.methods[0].vendor);
646 wsc_registrar.password = (u8 *) conf->ap_pin;
647 wsc_registrar.password_len = conf->ap_pin ?
648 os_strlen(conf->ap_pin) : 0;
649 return &wsc_registrar;
650 }
651 #endif /* CONFIG_WPS */
652
653 while (user) {
654 if (!phase2 && user->identity == NULL) {
655 /* Wildcard match */
656 break;
657 }
658
659 if (user->phase2 == !!phase2 && user->wildcard_prefix &&
660 identity_len >= user->identity_len &&
661 os_memcmp(user->identity, identity, user->identity_len) ==
662 0) {
663 /* Wildcard prefix match */
664 break;
665 }
666
667 if (user->phase2 == !!phase2 &&
668 user->identity_len == identity_len &&
669 os_memcmp(user->identity, identity, identity_len) == 0)
670 break;
671 user = user->next;
672 }
673
674 return user;
675 }
676